PackageManagerService.java revision e06b4d1d9f718b9fe02980fea794a36831a16db2
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 34import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 35import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 36import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 37import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 39import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 40import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 44import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 45import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 46import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 47import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 49import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_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.system.StructStat; 195import android.text.TextUtils; 196import android.text.format.DateUtils; 197import android.util.ArrayMap; 198import android.util.ArraySet; 199import android.util.AtomicFile; 200import android.util.DisplayMetrics; 201import android.util.EventLog; 202import android.util.ExceptionUtils; 203import android.util.Log; 204import android.util.LogPrinter; 205import android.util.MathUtils; 206import android.util.PrintStreamPrinter; 207import android.util.Slog; 208import android.util.SparseArray; 209import android.util.SparseBooleanArray; 210import android.util.SparseIntArray; 211import android.util.Xml; 212import android.view.Display; 213 214import com.android.internal.R; 215import com.android.internal.annotations.GuardedBy; 216import com.android.internal.app.IMediaContainerService; 217import com.android.internal.app.ResolverActivity; 218import com.android.internal.content.NativeLibraryHelper; 219import com.android.internal.content.PackageHelper; 220import com.android.internal.os.IParcelFileDescriptorFactory; 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.PermissionsState.PermissionState; 236import com.android.server.pm.Settings.DatabaseVersion; 237import com.android.server.pm.Settings.VersionInfo; 238import com.android.server.storage.DeviceStorageMonitorInternal; 239 240import dalvik.system.DexFile; 241import dalvik.system.VMRuntime; 242 243import libcore.io.IoUtils; 244import libcore.util.EmptyArray; 245 246import org.xmlpull.v1.XmlPullParser; 247import org.xmlpull.v1.XmlPullParserException; 248import org.xmlpull.v1.XmlSerializer; 249 250import java.io.BufferedInputStream; 251import java.io.BufferedOutputStream; 252import java.io.BufferedReader; 253import java.io.ByteArrayInputStream; 254import java.io.ByteArrayOutputStream; 255import java.io.File; 256import java.io.FileDescriptor; 257import java.io.FileNotFoundException; 258import java.io.FileOutputStream; 259import java.io.FileReader; 260import java.io.FilenameFilter; 261import java.io.IOException; 262import java.io.InputStream; 263import java.io.PrintWriter; 264import java.nio.charset.StandardCharsets; 265import java.security.MessageDigest; 266import java.security.NoSuchAlgorithmException; 267import java.security.PublicKey; 268import java.security.cert.CertificateEncodingException; 269import java.security.cert.CertificateException; 270import java.text.SimpleDateFormat; 271import java.util.ArrayList; 272import java.util.Arrays; 273import java.util.Collection; 274import java.util.Collections; 275import java.util.Comparator; 276import java.util.Date; 277import java.util.Iterator; 278import java.util.List; 279import java.util.Map; 280import java.util.Objects; 281import java.util.Set; 282import java.util.concurrent.CountDownLatch; 283import java.util.concurrent.TimeUnit; 284import java.util.concurrent.atomic.AtomicBoolean; 285import java.util.concurrent.atomic.AtomicInteger; 286import java.util.concurrent.atomic.AtomicLong; 287 288/** 289 * Keep track of all those .apks everywhere. 290 * 291 * This is very central to the platform's security; please run the unit 292 * tests whenever making modifications here: 293 * 294runtest -c android.content.pm.PackageManagerTests frameworks-core 295 * 296 * {@hide} 297 */ 298public class PackageManagerService extends IPackageManager.Stub { 299 static final String TAG = "PackageManager"; 300 static final boolean DEBUG_SETTINGS = false; 301 static final boolean DEBUG_PREFERRED = false; 302 static final boolean DEBUG_UPGRADE = false; 303 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 304 private static final boolean DEBUG_BACKUP = false; 305 private static final boolean DEBUG_INSTALL = false; 306 private static final boolean DEBUG_REMOVE = false; 307 private static final boolean DEBUG_BROADCASTS = false; 308 private static final boolean DEBUG_SHOW_INFO = false; 309 private static final boolean DEBUG_PACKAGE_INFO = false; 310 private static final boolean DEBUG_INTENT_MATCHING = false; 311 private static final boolean DEBUG_PACKAGE_SCANNING = false; 312 private static final boolean DEBUG_VERIFY = false; 313 private static final boolean DEBUG_DEXOPT = false; 314 private static final boolean DEBUG_ABI_SELECTION = false; 315 private static final boolean DEBUG_EPHEMERAL = false; 316 private static final boolean DEBUG_TRIAGED_MISSING = false; 317 318 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 319 320 private static final int RADIO_UID = Process.PHONE_UID; 321 private static final int LOG_UID = Process.LOG_UID; 322 private static final int NFC_UID = Process.NFC_UID; 323 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 324 private static final int SHELL_UID = Process.SHELL_UID; 325 326 // Cap the size of permission trees that 3rd party apps can define 327 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 328 329 // Suffix used during package installation when copying/moving 330 // package apks to install directory. 331 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 332 333 static final int SCAN_NO_DEX = 1<<1; 334 static final int SCAN_FORCE_DEX = 1<<2; 335 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 336 static final int SCAN_NEW_INSTALL = 1<<4; 337 static final int SCAN_NO_PATHS = 1<<5; 338 static final int SCAN_UPDATE_TIME = 1<<6; 339 static final int SCAN_DEFER_DEX = 1<<7; 340 static final int SCAN_BOOTING = 1<<8; 341 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 342 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 343 static final int SCAN_REPLACING = 1<<11; 344 static final int SCAN_REQUIRE_KNOWN = 1<<12; 345 static final int SCAN_MOVE = 1<<13; 346 static final int SCAN_INITIAL = 1<<14; 347 348 static final int REMOVE_CHATTY = 1<<16; 349 350 private static final int[] EMPTY_INT_ARRAY = new int[0]; 351 352 /** 353 * Timeout (in milliseconds) after which the watchdog should declare that 354 * our handler thread is wedged. The usual default for such things is one 355 * minute but we sometimes do very lengthy I/O operations on this thread, 356 * such as installing multi-gigabyte applications, so ours needs to be longer. 357 */ 358 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 359 360 /** 361 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 362 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 363 * settings entry if available, otherwise we use the hardcoded default. If it's been 364 * more than this long since the last fstrim, we force one during the boot sequence. 365 * 366 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 367 * one gets run at the next available charging+idle time. This final mandatory 368 * no-fstrim check kicks in only of the other scheduling criteria is never met. 369 */ 370 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 371 372 /** 373 * Whether verification is enabled by default. 374 */ 375 private static final boolean DEFAULT_VERIFY_ENABLE = true; 376 377 /** 378 * The default maximum time to wait for the verification agent to return in 379 * milliseconds. 380 */ 381 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 382 383 /** 384 * The default response for package verification timeout. 385 * 386 * This can be either PackageManager.VERIFICATION_ALLOW or 387 * PackageManager.VERIFICATION_REJECT. 388 */ 389 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 390 391 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 392 393 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 394 DEFAULT_CONTAINER_PACKAGE, 395 "com.android.defcontainer.DefaultContainerService"); 396 397 private static final String KILL_APP_REASON_GIDS_CHANGED = 398 "permission grant or revoke changed gids"; 399 400 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 401 "permissions revoked"; 402 403 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 404 405 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 406 407 /** Permission grant: not grant the permission. */ 408 private static final int GRANT_DENIED = 1; 409 410 /** Permission grant: grant the permission as an install permission. */ 411 private static final int GRANT_INSTALL = 2; 412 413 /** Permission grant: grant the permission as a runtime one. */ 414 private static final int GRANT_RUNTIME = 3; 415 416 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 417 private static final int GRANT_UPGRADE = 4; 418 419 /** Canonical intent used to identify what counts as a "web browser" app */ 420 private static final Intent sBrowserIntent; 421 static { 422 sBrowserIntent = new Intent(); 423 sBrowserIntent.setAction(Intent.ACTION_VIEW); 424 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 425 sBrowserIntent.setData(Uri.parse("http:")); 426 } 427 428 final ServiceThread mHandlerThread; 429 430 final PackageHandler mHandler; 431 432 /** 433 * Messages for {@link #mHandler} that need to wait for system ready before 434 * being dispatched. 435 */ 436 private ArrayList<Message> mPostSystemReadyMessages; 437 438 final int mSdkVersion = Build.VERSION.SDK_INT; 439 440 final Context mContext; 441 final boolean mFactoryTest; 442 final boolean mOnlyCore; 443 final DisplayMetrics mMetrics; 444 final int mDefParseFlags; 445 final String[] mSeparateProcesses; 446 final boolean mIsUpgrade; 447 448 /** The location for ASEC container files on internal storage. */ 449 final String mAsecInternalPath; 450 451 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 452 // LOCK HELD. Can be called with mInstallLock held. 453 @GuardedBy("mInstallLock") 454 final Installer mInstaller; 455 456 /** Directory where installed third-party apps stored */ 457 final File mAppInstallDir; 458 final File mEphemeralInstallDir; 459 460 /** 461 * Directory to which applications installed internally have their 462 * 32 bit native libraries copied. 463 */ 464 private File mAppLib32InstallDir; 465 466 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 467 // apps. 468 final File mDrmAppPrivateInstallDir; 469 470 // ---------------------------------------------------------------- 471 472 // Lock for state used when installing and doing other long running 473 // operations. Methods that must be called with this lock held have 474 // the suffix "LI". 475 final Object mInstallLock = new Object(); 476 477 // ---------------------------------------------------------------- 478 479 // Keys are String (package name), values are Package. This also serves 480 // as the lock for the global state. Methods that must be called with 481 // this lock held have the prefix "LP". 482 @GuardedBy("mPackages") 483 final ArrayMap<String, PackageParser.Package> mPackages = 484 new ArrayMap<String, PackageParser.Package>(); 485 486 // Tracks available target package names -> overlay package paths. 487 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 488 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 489 490 /** 491 * Tracks new system packages [received in an OTA] that we expect to 492 * find updated user-installed versions. Keys are package name, values 493 * are package location. 494 */ 495 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 496 497 /** 498 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 499 */ 500 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 501 /** 502 * Whether or not system app permissions should be promoted from install to runtime. 503 */ 504 boolean mPromoteSystemApps; 505 506 final Settings mSettings; 507 boolean mRestoredSettings; 508 509 // System configuration read by SystemConfig. 510 final int[] mGlobalGids; 511 final SparseArray<ArraySet<String>> mSystemPermissions; 512 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 513 514 // If mac_permissions.xml was found for seinfo labeling. 515 boolean mFoundPolicyFile; 516 517 // If a recursive restorecon of /data/data/<pkg> is needed. 518 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 519 520 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 521 522 public static final class SharedLibraryEntry { 523 public final String path; 524 public final String apk; 525 526 SharedLibraryEntry(String _path, String _apk) { 527 path = _path; 528 apk = _apk; 529 } 530 } 531 532 // Currently known shared libraries. 533 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 534 new ArrayMap<String, SharedLibraryEntry>(); 535 536 // All available activities, for your resolving pleasure. 537 final ActivityIntentResolver mActivities = 538 new ActivityIntentResolver(); 539 540 // All available receivers, for your resolving pleasure. 541 final ActivityIntentResolver mReceivers = 542 new ActivityIntentResolver(); 543 544 // All available services, for your resolving pleasure. 545 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 546 547 // All available providers, for your resolving pleasure. 548 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 549 550 // Mapping from provider base names (first directory in content URI codePath) 551 // to the provider information. 552 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 553 new ArrayMap<String, PackageParser.Provider>(); 554 555 // Mapping from instrumentation class names to info about them. 556 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 557 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 558 559 // Mapping from permission names to info about them. 560 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 561 new ArrayMap<String, PackageParser.PermissionGroup>(); 562 563 // Packages whose data we have transfered into another package, thus 564 // should no longer exist. 565 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 566 567 // Broadcast actions that are only available to the system. 568 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 569 570 /** List of packages waiting for verification. */ 571 final SparseArray<PackageVerificationState> mPendingVerification 572 = new SparseArray<PackageVerificationState>(); 573 574 /** Set of packages associated with each app op permission. */ 575 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 576 577 final PackageInstallerService mInstallerService; 578 579 private final PackageDexOptimizer mPackageDexOptimizer; 580 581 private AtomicInteger mNextMoveId = new AtomicInteger(); 582 private final MoveCallbacks mMoveCallbacks; 583 584 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 585 586 // Cache of users who need badging. 587 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 588 589 /** Token for keys in mPendingVerification. */ 590 private int mPendingVerificationToken = 0; 591 592 volatile boolean mSystemReady; 593 volatile boolean mSafeMode; 594 volatile boolean mHasSystemUidErrors; 595 596 ApplicationInfo mAndroidApplication; 597 final ActivityInfo mResolveActivity = new ActivityInfo(); 598 final ResolveInfo mResolveInfo = new ResolveInfo(); 599 ComponentName mResolveComponentName; 600 PackageParser.Package mPlatformPackage; 601 ComponentName mCustomResolverComponentName; 602 603 boolean mResolverReplaced = false; 604 605 private final ComponentName mIntentFilterVerifierComponent; 606 private int mIntentFilterVerificationToken = 0; 607 608 /** Component that knows whether or not an ephemeral application exists */ 609 final ComponentName mEphemeralResolverComponent; 610 /** The service connection to the ephemeral resolver */ 611 final EphemeralResolverConnection mEphemeralResolverConnection; 612 613 /** Component used to install ephemeral applications */ 614 final ComponentName mEphemeralInstallerComponent; 615 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 616 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 617 618 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 619 = new SparseArray<IntentFilterVerificationState>(); 620 621 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 622 new DefaultPermissionGrantPolicy(this); 623 624 // List of packages names to keep cached, even if they are uninstalled for all users 625 private List<String> mKeepUninstalledPackages; 626 627 private static class IFVerificationParams { 628 PackageParser.Package pkg; 629 boolean replacing; 630 int userId; 631 int verifierUid; 632 633 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 634 int _userId, int _verifierUid) { 635 pkg = _pkg; 636 replacing = _replacing; 637 userId = _userId; 638 replacing = _replacing; 639 verifierUid = _verifierUid; 640 } 641 } 642 643 private interface IntentFilterVerifier<T extends IntentFilter> { 644 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 645 T filter, String packageName); 646 void startVerifications(int userId); 647 void receiveVerificationResponse(int verificationId); 648 } 649 650 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 651 private Context mContext; 652 private ComponentName mIntentFilterVerifierComponent; 653 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 654 655 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 656 mContext = context; 657 mIntentFilterVerifierComponent = verifierComponent; 658 } 659 660 private String getDefaultScheme() { 661 return IntentFilter.SCHEME_HTTPS; 662 } 663 664 @Override 665 public void startVerifications(int userId) { 666 // Launch verifications requests 667 int count = mCurrentIntentFilterVerifications.size(); 668 for (int n=0; n<count; n++) { 669 int verificationId = mCurrentIntentFilterVerifications.get(n); 670 final IntentFilterVerificationState ivs = 671 mIntentFilterVerificationStates.get(verificationId); 672 673 String packageName = ivs.getPackageName(); 674 675 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 676 final int filterCount = filters.size(); 677 ArraySet<String> domainsSet = new ArraySet<>(); 678 for (int m=0; m<filterCount; m++) { 679 PackageParser.ActivityIntentInfo filter = filters.get(m); 680 domainsSet.addAll(filter.getHostsList()); 681 } 682 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 683 synchronized (mPackages) { 684 if (mSettings.createIntentFilterVerificationIfNeededLPw( 685 packageName, domainsList) != null) { 686 scheduleWriteSettingsLocked(); 687 } 688 } 689 sendVerificationRequest(userId, verificationId, ivs); 690 } 691 mCurrentIntentFilterVerifications.clear(); 692 } 693 694 private void sendVerificationRequest(int userId, int verificationId, 695 IntentFilterVerificationState ivs) { 696 697 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 698 verificationIntent.putExtra( 699 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 700 verificationId); 701 verificationIntent.putExtra( 702 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 703 getDefaultScheme()); 704 verificationIntent.putExtra( 705 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 706 ivs.getHostsString()); 707 verificationIntent.putExtra( 708 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 709 ivs.getPackageName()); 710 verificationIntent.setComponent(mIntentFilterVerifierComponent); 711 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 712 713 UserHandle user = new UserHandle(userId); 714 mContext.sendBroadcastAsUser(verificationIntent, user); 715 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 716 "Sending IntentFilter verification broadcast"); 717 } 718 719 public void receiveVerificationResponse(int verificationId) { 720 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 721 722 final boolean verified = ivs.isVerified(); 723 724 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 725 final int count = filters.size(); 726 if (DEBUG_DOMAIN_VERIFICATION) { 727 Slog.i(TAG, "Received verification response " + verificationId 728 + " for " + count + " filters, verified=" + verified); 729 } 730 for (int n=0; n<count; n++) { 731 PackageParser.ActivityIntentInfo filter = filters.get(n); 732 filter.setVerified(verified); 733 734 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 735 + " verified with result:" + verified + " and hosts:" 736 + ivs.getHostsString()); 737 } 738 739 mIntentFilterVerificationStates.remove(verificationId); 740 741 final String packageName = ivs.getPackageName(); 742 IntentFilterVerificationInfo ivi = null; 743 744 synchronized (mPackages) { 745 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 746 } 747 if (ivi == null) { 748 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 749 + verificationId + " packageName:" + packageName); 750 return; 751 } 752 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 753 "Updating IntentFilterVerificationInfo for package " + packageName 754 +" verificationId:" + verificationId); 755 756 synchronized (mPackages) { 757 if (verified) { 758 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 759 } else { 760 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 761 } 762 scheduleWriteSettingsLocked(); 763 764 final int userId = ivs.getUserId(); 765 if (userId != UserHandle.USER_ALL) { 766 final int userStatus = 767 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 768 769 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 770 boolean needUpdate = false; 771 772 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 773 // already been set by the User thru the Disambiguation dialog 774 switch (userStatus) { 775 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 776 if (verified) { 777 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 778 } else { 779 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 780 } 781 needUpdate = true; 782 break; 783 784 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 785 if (verified) { 786 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 787 needUpdate = true; 788 } 789 break; 790 791 default: 792 // Nothing to do 793 } 794 795 if (needUpdate) { 796 mSettings.updateIntentFilterVerificationStatusLPw( 797 packageName, updatedStatus, userId); 798 scheduleWritePackageRestrictionsLocked(userId); 799 } 800 } 801 } 802 } 803 804 @Override 805 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 806 ActivityIntentInfo filter, String packageName) { 807 if (!hasValidDomains(filter)) { 808 return false; 809 } 810 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 811 if (ivs == null) { 812 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 813 packageName); 814 } 815 if (DEBUG_DOMAIN_VERIFICATION) { 816 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 817 } 818 ivs.addFilter(filter); 819 return true; 820 } 821 822 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 823 int userId, int verificationId, String packageName) { 824 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 825 verifierUid, userId, packageName); 826 ivs.setPendingState(); 827 synchronized (mPackages) { 828 mIntentFilterVerificationStates.append(verificationId, ivs); 829 mCurrentIntentFilterVerifications.add(verificationId); 830 } 831 return ivs; 832 } 833 } 834 835 private static boolean hasValidDomains(ActivityIntentInfo filter) { 836 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 837 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 838 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 839 } 840 841 private IntentFilterVerifier mIntentFilterVerifier; 842 843 // Set of pending broadcasts for aggregating enable/disable of components. 844 static class PendingPackageBroadcasts { 845 // for each user id, a map of <package name -> components within that package> 846 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 847 848 public PendingPackageBroadcasts() { 849 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 850 } 851 852 public ArrayList<String> get(int userId, String packageName) { 853 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 854 return packages.get(packageName); 855 } 856 857 public void put(int userId, String packageName, ArrayList<String> components) { 858 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 859 packages.put(packageName, components); 860 } 861 862 public void remove(int userId, String packageName) { 863 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 864 if (packages != null) { 865 packages.remove(packageName); 866 } 867 } 868 869 public void remove(int userId) { 870 mUidMap.remove(userId); 871 } 872 873 public int userIdCount() { 874 return mUidMap.size(); 875 } 876 877 public int userIdAt(int n) { 878 return mUidMap.keyAt(n); 879 } 880 881 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 882 return mUidMap.get(userId); 883 } 884 885 public int size() { 886 // total number of pending broadcast entries across all userIds 887 int num = 0; 888 for (int i = 0; i< mUidMap.size(); i++) { 889 num += mUidMap.valueAt(i).size(); 890 } 891 return num; 892 } 893 894 public void clear() { 895 mUidMap.clear(); 896 } 897 898 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 899 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 900 if (map == null) { 901 map = new ArrayMap<String, ArrayList<String>>(); 902 mUidMap.put(userId, map); 903 } 904 return map; 905 } 906 } 907 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 908 909 // Service Connection to remote media container service to copy 910 // package uri's from external media onto secure containers 911 // or internal storage. 912 private IMediaContainerService mContainerService = null; 913 914 static final int SEND_PENDING_BROADCAST = 1; 915 static final int MCS_BOUND = 3; 916 static final int END_COPY = 4; 917 static final int INIT_COPY = 5; 918 static final int MCS_UNBIND = 6; 919 static final int START_CLEANING_PACKAGE = 7; 920 static final int FIND_INSTALL_LOC = 8; 921 static final int POST_INSTALL = 9; 922 static final int MCS_RECONNECT = 10; 923 static final int MCS_GIVE_UP = 11; 924 static final int UPDATED_MEDIA_STATUS = 12; 925 static final int WRITE_SETTINGS = 13; 926 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 927 static final int PACKAGE_VERIFIED = 15; 928 static final int CHECK_PENDING_VERIFICATION = 16; 929 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 930 static final int INTENT_FILTER_VERIFIED = 18; 931 932 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 933 934 // Delay time in millisecs 935 static final int BROADCAST_DELAY = 10 * 1000; 936 937 static UserManagerService sUserManager; 938 939 // Stores a list of users whose package restrictions file needs to be updated 940 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 941 942 final private DefaultContainerConnection mDefContainerConn = 943 new DefaultContainerConnection(); 944 class DefaultContainerConnection implements ServiceConnection { 945 public void onServiceConnected(ComponentName name, IBinder service) { 946 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 947 IMediaContainerService imcs = 948 IMediaContainerService.Stub.asInterface(service); 949 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 950 } 951 952 public void onServiceDisconnected(ComponentName name) { 953 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 954 } 955 } 956 957 // Recordkeeping of restore-after-install operations that are currently in flight 958 // between the Package Manager and the Backup Manager 959 static class PostInstallData { 960 public InstallArgs args; 961 public PackageInstalledInfo res; 962 963 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 964 args = _a; 965 res = _r; 966 } 967 } 968 969 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 970 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 971 972 // XML tags for backup/restore of various bits of state 973 private static final String TAG_PREFERRED_BACKUP = "pa"; 974 private static final String TAG_DEFAULT_APPS = "da"; 975 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 976 977 final String mRequiredVerifierPackage; 978 final String mRequiredInstallerPackage; 979 980 private final PackageUsage mPackageUsage = new PackageUsage(); 981 982 private class PackageUsage { 983 private static final int WRITE_INTERVAL 984 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 985 986 private final Object mFileLock = new Object(); 987 private final AtomicLong mLastWritten = new AtomicLong(0); 988 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 989 990 private boolean mIsHistoricalPackageUsageAvailable = true; 991 992 boolean isHistoricalPackageUsageAvailable() { 993 return mIsHistoricalPackageUsageAvailable; 994 } 995 996 void write(boolean force) { 997 if (force) { 998 writeInternal(); 999 return; 1000 } 1001 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1002 && !DEBUG_DEXOPT) { 1003 return; 1004 } 1005 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1006 new Thread("PackageUsage_DiskWriter") { 1007 @Override 1008 public void run() { 1009 try { 1010 writeInternal(); 1011 } finally { 1012 mBackgroundWriteRunning.set(false); 1013 } 1014 } 1015 }.start(); 1016 } 1017 } 1018 1019 private void writeInternal() { 1020 synchronized (mPackages) { 1021 synchronized (mFileLock) { 1022 AtomicFile file = getFile(); 1023 FileOutputStream f = null; 1024 try { 1025 f = file.startWrite(); 1026 BufferedOutputStream out = new BufferedOutputStream(f); 1027 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1028 StringBuilder sb = new StringBuilder(); 1029 for (PackageParser.Package pkg : mPackages.values()) { 1030 if (pkg.mLastPackageUsageTimeInMills == 0) { 1031 continue; 1032 } 1033 sb.setLength(0); 1034 sb.append(pkg.packageName); 1035 sb.append(' '); 1036 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1037 sb.append('\n'); 1038 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1039 } 1040 out.flush(); 1041 file.finishWrite(f); 1042 } catch (IOException e) { 1043 if (f != null) { 1044 file.failWrite(f); 1045 } 1046 Log.e(TAG, "Failed to write package usage times", e); 1047 } 1048 } 1049 } 1050 mLastWritten.set(SystemClock.elapsedRealtime()); 1051 } 1052 1053 void readLP() { 1054 synchronized (mFileLock) { 1055 AtomicFile file = getFile(); 1056 BufferedInputStream in = null; 1057 try { 1058 in = new BufferedInputStream(file.openRead()); 1059 StringBuffer sb = new StringBuffer(); 1060 while (true) { 1061 String packageName = readToken(in, sb, ' '); 1062 if (packageName == null) { 1063 break; 1064 } 1065 String timeInMillisString = readToken(in, sb, '\n'); 1066 if (timeInMillisString == null) { 1067 throw new IOException("Failed to find last usage time for package " 1068 + packageName); 1069 } 1070 PackageParser.Package pkg = mPackages.get(packageName); 1071 if (pkg == null) { 1072 continue; 1073 } 1074 long timeInMillis; 1075 try { 1076 timeInMillis = Long.parseLong(timeInMillisString); 1077 } catch (NumberFormatException e) { 1078 throw new IOException("Failed to parse " + timeInMillisString 1079 + " as a long.", e); 1080 } 1081 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1082 } 1083 } catch (FileNotFoundException expected) { 1084 mIsHistoricalPackageUsageAvailable = false; 1085 } catch (IOException e) { 1086 Log.w(TAG, "Failed to read package usage times", e); 1087 } finally { 1088 IoUtils.closeQuietly(in); 1089 } 1090 } 1091 mLastWritten.set(SystemClock.elapsedRealtime()); 1092 } 1093 1094 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1095 throws IOException { 1096 sb.setLength(0); 1097 while (true) { 1098 int ch = in.read(); 1099 if (ch == -1) { 1100 if (sb.length() == 0) { 1101 return null; 1102 } 1103 throw new IOException("Unexpected EOF"); 1104 } 1105 if (ch == endOfToken) { 1106 return sb.toString(); 1107 } 1108 sb.append((char)ch); 1109 } 1110 } 1111 1112 private AtomicFile getFile() { 1113 File dataDir = Environment.getDataDirectory(); 1114 File systemDir = new File(dataDir, "system"); 1115 File fname = new File(systemDir, "package-usage.list"); 1116 return new AtomicFile(fname); 1117 } 1118 } 1119 1120 class PackageHandler extends Handler { 1121 private boolean mBound = false; 1122 final ArrayList<HandlerParams> mPendingInstalls = 1123 new ArrayList<HandlerParams>(); 1124 1125 private boolean connectToService() { 1126 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1127 " DefaultContainerService"); 1128 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1129 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1130 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1131 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1132 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1133 mBound = true; 1134 return true; 1135 } 1136 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1137 return false; 1138 } 1139 1140 private void disconnectService() { 1141 mContainerService = null; 1142 mBound = false; 1143 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1144 mContext.unbindService(mDefContainerConn); 1145 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1146 } 1147 1148 PackageHandler(Looper looper) { 1149 super(looper); 1150 } 1151 1152 public void handleMessage(Message msg) { 1153 try { 1154 doHandleMessage(msg); 1155 } finally { 1156 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1157 } 1158 } 1159 1160 void doHandleMessage(Message msg) { 1161 switch (msg.what) { 1162 case INIT_COPY: { 1163 HandlerParams params = (HandlerParams) msg.obj; 1164 int idx = mPendingInstalls.size(); 1165 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1166 // If a bind was already initiated we dont really 1167 // need to do anything. The pending install 1168 // will be processed later on. 1169 if (!mBound) { 1170 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1171 System.identityHashCode(mHandler)); 1172 // If this is the only one pending we might 1173 // have to bind to the service again. 1174 if (!connectToService()) { 1175 Slog.e(TAG, "Failed to bind to media container service"); 1176 params.serviceError(); 1177 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1178 System.identityHashCode(mHandler)); 1179 if (params.traceMethod != null) { 1180 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1181 params.traceCookie); 1182 } 1183 return; 1184 } else { 1185 // Once we bind to the service, the first 1186 // pending request will be processed. 1187 mPendingInstalls.add(idx, params); 1188 } 1189 } else { 1190 mPendingInstalls.add(idx, params); 1191 // Already bound to the service. Just make 1192 // sure we trigger off processing the first request. 1193 if (idx == 0) { 1194 mHandler.sendEmptyMessage(MCS_BOUND); 1195 } 1196 } 1197 break; 1198 } 1199 case MCS_BOUND: { 1200 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1201 if (msg.obj != null) { 1202 mContainerService = (IMediaContainerService) msg.obj; 1203 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1204 System.identityHashCode(mHandler)); 1205 } 1206 if (mContainerService == null) { 1207 if (!mBound) { 1208 // Something seriously wrong since we are not bound and we are not 1209 // waiting for connection. Bail out. 1210 Slog.e(TAG, "Cannot bind to media container service"); 1211 for (HandlerParams params : mPendingInstalls) { 1212 // Indicate service bind error 1213 params.serviceError(); 1214 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1215 System.identityHashCode(params)); 1216 if (params.traceMethod != null) { 1217 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1218 params.traceMethod, params.traceCookie); 1219 } 1220 return; 1221 } 1222 mPendingInstalls.clear(); 1223 } else { 1224 Slog.w(TAG, "Waiting to connect to media container service"); 1225 } 1226 } else if (mPendingInstalls.size() > 0) { 1227 HandlerParams params = mPendingInstalls.get(0); 1228 if (params != null) { 1229 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1230 System.identityHashCode(params)); 1231 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1232 if (params.startCopy()) { 1233 // We are done... look for more work or to 1234 // go idle. 1235 if (DEBUG_SD_INSTALL) Log.i(TAG, 1236 "Checking for more work or unbind..."); 1237 // Delete pending install 1238 if (mPendingInstalls.size() > 0) { 1239 mPendingInstalls.remove(0); 1240 } 1241 if (mPendingInstalls.size() == 0) { 1242 if (mBound) { 1243 if (DEBUG_SD_INSTALL) Log.i(TAG, 1244 "Posting delayed MCS_UNBIND"); 1245 removeMessages(MCS_UNBIND); 1246 Message ubmsg = obtainMessage(MCS_UNBIND); 1247 // Unbind after a little delay, to avoid 1248 // continual thrashing. 1249 sendMessageDelayed(ubmsg, 10000); 1250 } 1251 } else { 1252 // There are more pending requests in queue. 1253 // Just post MCS_BOUND message to trigger processing 1254 // of next pending install. 1255 if (DEBUG_SD_INSTALL) Log.i(TAG, 1256 "Posting MCS_BOUND for next work"); 1257 mHandler.sendEmptyMessage(MCS_BOUND); 1258 } 1259 } 1260 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1261 } 1262 } else { 1263 // Should never happen ideally. 1264 Slog.w(TAG, "Empty queue"); 1265 } 1266 break; 1267 } 1268 case MCS_RECONNECT: { 1269 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1270 if (mPendingInstalls.size() > 0) { 1271 if (mBound) { 1272 disconnectService(); 1273 } 1274 if (!connectToService()) { 1275 Slog.e(TAG, "Failed to bind to media container service"); 1276 for (HandlerParams params : mPendingInstalls) { 1277 // Indicate service bind error 1278 params.serviceError(); 1279 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1280 System.identityHashCode(params)); 1281 } 1282 mPendingInstalls.clear(); 1283 } 1284 } 1285 break; 1286 } 1287 case MCS_UNBIND: { 1288 // If there is no actual work left, then time to unbind. 1289 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1290 1291 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1292 if (mBound) { 1293 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1294 1295 disconnectService(); 1296 } 1297 } else if (mPendingInstalls.size() > 0) { 1298 // There are more pending requests in queue. 1299 // Just post MCS_BOUND message to trigger processing 1300 // of next pending install. 1301 mHandler.sendEmptyMessage(MCS_BOUND); 1302 } 1303 1304 break; 1305 } 1306 case MCS_GIVE_UP: { 1307 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1308 HandlerParams params = mPendingInstalls.remove(0); 1309 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1310 System.identityHashCode(params)); 1311 break; 1312 } 1313 case SEND_PENDING_BROADCAST: { 1314 String packages[]; 1315 ArrayList<String> components[]; 1316 int size = 0; 1317 int uids[]; 1318 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1319 synchronized (mPackages) { 1320 if (mPendingBroadcasts == null) { 1321 return; 1322 } 1323 size = mPendingBroadcasts.size(); 1324 if (size <= 0) { 1325 // Nothing to be done. Just return 1326 return; 1327 } 1328 packages = new String[size]; 1329 components = new ArrayList[size]; 1330 uids = new int[size]; 1331 int i = 0; // filling out the above arrays 1332 1333 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1334 int packageUserId = mPendingBroadcasts.userIdAt(n); 1335 Iterator<Map.Entry<String, ArrayList<String>>> it 1336 = mPendingBroadcasts.packagesForUserId(packageUserId) 1337 .entrySet().iterator(); 1338 while (it.hasNext() && i < size) { 1339 Map.Entry<String, ArrayList<String>> ent = it.next(); 1340 packages[i] = ent.getKey(); 1341 components[i] = ent.getValue(); 1342 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1343 uids[i] = (ps != null) 1344 ? UserHandle.getUid(packageUserId, ps.appId) 1345 : -1; 1346 i++; 1347 } 1348 } 1349 size = i; 1350 mPendingBroadcasts.clear(); 1351 } 1352 // Send broadcasts 1353 for (int i = 0; i < size; i++) { 1354 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1355 } 1356 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1357 break; 1358 } 1359 case START_CLEANING_PACKAGE: { 1360 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1361 final String packageName = (String)msg.obj; 1362 final int userId = msg.arg1; 1363 final boolean andCode = msg.arg2 != 0; 1364 synchronized (mPackages) { 1365 if (userId == UserHandle.USER_ALL) { 1366 int[] users = sUserManager.getUserIds(); 1367 for (int user : users) { 1368 mSettings.addPackageToCleanLPw( 1369 new PackageCleanItem(user, packageName, andCode)); 1370 } 1371 } else { 1372 mSettings.addPackageToCleanLPw( 1373 new PackageCleanItem(userId, packageName, andCode)); 1374 } 1375 } 1376 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1377 startCleaningPackages(); 1378 } break; 1379 case POST_INSTALL: { 1380 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1381 1382 PostInstallData data = mRunningInstalls.get(msg.arg1); 1383 mRunningInstalls.delete(msg.arg1); 1384 boolean deleteOld = false; 1385 1386 if (data != null) { 1387 InstallArgs args = data.args; 1388 PackageInstalledInfo res = data.res; 1389 1390 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1391 final String packageName = res.pkg.applicationInfo.packageName; 1392 res.removedInfo.sendBroadcast(false, true, false); 1393 Bundle extras = new Bundle(1); 1394 extras.putInt(Intent.EXTRA_UID, res.uid); 1395 1396 // Now that we successfully installed the package, grant runtime 1397 // permissions if requested before broadcasting the install. 1398 if ((args.installFlags 1399 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 1400 && res.pkg.applicationInfo.targetSdkVersion 1401 >= Build.VERSION_CODES.M) { 1402 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1403 args.installGrantPermissions); 1404 } 1405 1406 synchronized (mPackages) { 1407 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1408 } 1409 1410 // Determine the set of users who are adding this 1411 // package for the first time vs. those who are seeing 1412 // an update. 1413 int[] firstUsers; 1414 int[] updateUsers = new int[0]; 1415 if (res.origUsers == null || res.origUsers.length == 0) { 1416 firstUsers = res.newUsers; 1417 } else { 1418 firstUsers = new int[0]; 1419 for (int i=0; i<res.newUsers.length; i++) { 1420 int user = res.newUsers[i]; 1421 boolean isNew = true; 1422 for (int j=0; j<res.origUsers.length; j++) { 1423 if (res.origUsers[j] == user) { 1424 isNew = false; 1425 break; 1426 } 1427 } 1428 if (isNew) { 1429 int[] newFirst = new int[firstUsers.length+1]; 1430 System.arraycopy(firstUsers, 0, newFirst, 0, 1431 firstUsers.length); 1432 newFirst[firstUsers.length] = user; 1433 firstUsers = newFirst; 1434 } else { 1435 int[] newUpdate = new int[updateUsers.length+1]; 1436 System.arraycopy(updateUsers, 0, newUpdate, 0, 1437 updateUsers.length); 1438 newUpdate[updateUsers.length] = user; 1439 updateUsers = newUpdate; 1440 } 1441 } 1442 } 1443 // don't broadcast for ephemeral installs/updates 1444 final boolean isEphemeral = isEphemeral(res.pkg); 1445 if (!isEphemeral) { 1446 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1447 extras, 0 /*flags*/, null /*targetPackage*/, 1448 null /*finishedReceiver*/, firstUsers); 1449 } 1450 final boolean update = res.removedInfo.removedPackage != null; 1451 if (update) { 1452 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1453 } 1454 if (!isEphemeral) { 1455 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1456 extras, 0 /*flags*/, null /*targetPackage*/, 1457 null /*finishedReceiver*/, updateUsers); 1458 } 1459 if (update) { 1460 if (!isEphemeral) { 1461 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1462 packageName, extras, 0 /*flags*/, 1463 null /*targetPackage*/, null /*finishedReceiver*/, 1464 updateUsers); 1465 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1466 null /*package*/, null /*extras*/, 0 /*flags*/, 1467 packageName /*targetPackage*/, 1468 null /*finishedReceiver*/, updateUsers); 1469 } 1470 1471 // treat asec-hosted packages like removable media on upgrade 1472 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1473 if (DEBUG_INSTALL) { 1474 Slog.i(TAG, "upgrading pkg " + res.pkg 1475 + " is ASEC-hosted -> AVAILABLE"); 1476 } 1477 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1478 ArrayList<String> pkgList = new ArrayList<String>(1); 1479 pkgList.add(packageName); 1480 sendResourcesChangedBroadcast(true, true, 1481 pkgList,uidArray, null); 1482 } 1483 } 1484 if (res.removedInfo.args != null) { 1485 // Remove the replaced package's older resources safely now 1486 deleteOld = true; 1487 } 1488 1489 // If this app is a browser and it's newly-installed for some 1490 // users, clear any default-browser state in those users 1491 if (firstUsers.length > 0) { 1492 // the app's nature doesn't depend on the user, so we can just 1493 // check its browser nature in any user and generalize. 1494 if (packageIsBrowser(packageName, firstUsers[0])) { 1495 synchronized (mPackages) { 1496 for (int userId : firstUsers) { 1497 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1498 } 1499 } 1500 } 1501 } 1502 // Log current value of "unknown sources" setting 1503 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1504 getUnknownSourcesSettings()); 1505 } 1506 // Force a gc to clear up things 1507 Runtime.getRuntime().gc(); 1508 // We delete after a gc for applications on sdcard. 1509 if (deleteOld) { 1510 synchronized (mInstallLock) { 1511 res.removedInfo.args.doPostDeleteLI(true); 1512 } 1513 } 1514 if (args.observer != null) { 1515 try { 1516 Bundle extras = extrasForInstallResult(res); 1517 args.observer.onPackageInstalled(res.name, res.returnCode, 1518 res.returnMsg, extras); 1519 } catch (RemoteException e) { 1520 Slog.i(TAG, "Observer no longer exists."); 1521 } 1522 } 1523 if (args.traceMethod != null) { 1524 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1525 args.traceCookie); 1526 } 1527 return; 1528 } else { 1529 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1530 } 1531 1532 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1533 } break; 1534 case UPDATED_MEDIA_STATUS: { 1535 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1536 boolean reportStatus = msg.arg1 == 1; 1537 boolean doGc = msg.arg2 == 1; 1538 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1539 if (doGc) { 1540 // Force a gc to clear up stale containers. 1541 Runtime.getRuntime().gc(); 1542 } 1543 if (msg.obj != null) { 1544 @SuppressWarnings("unchecked") 1545 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1546 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1547 // Unload containers 1548 unloadAllContainers(args); 1549 } 1550 if (reportStatus) { 1551 try { 1552 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1553 PackageHelper.getMountService().finishMediaUpdate(); 1554 } catch (RemoteException e) { 1555 Log.e(TAG, "MountService not running?"); 1556 } 1557 } 1558 } break; 1559 case WRITE_SETTINGS: { 1560 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1561 synchronized (mPackages) { 1562 removeMessages(WRITE_SETTINGS); 1563 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1564 mSettings.writeLPr(); 1565 mDirtyUsers.clear(); 1566 } 1567 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1568 } break; 1569 case WRITE_PACKAGE_RESTRICTIONS: { 1570 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1571 synchronized (mPackages) { 1572 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1573 for (int userId : mDirtyUsers) { 1574 mSettings.writePackageRestrictionsLPr(userId); 1575 } 1576 mDirtyUsers.clear(); 1577 } 1578 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1579 } break; 1580 case CHECK_PENDING_VERIFICATION: { 1581 final int verificationId = msg.arg1; 1582 final PackageVerificationState state = mPendingVerification.get(verificationId); 1583 1584 if ((state != null) && !state.timeoutExtended()) { 1585 final InstallArgs args = state.getInstallArgs(); 1586 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1587 1588 Slog.i(TAG, "Verification timed out for " + originUri); 1589 mPendingVerification.remove(verificationId); 1590 1591 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1592 1593 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1594 Slog.i(TAG, "Continuing with installation of " + originUri); 1595 state.setVerifierResponse(Binder.getCallingUid(), 1596 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1597 broadcastPackageVerified(verificationId, originUri, 1598 PackageManager.VERIFICATION_ALLOW, 1599 state.getInstallArgs().getUser()); 1600 try { 1601 ret = args.copyApk(mContainerService, true); 1602 } catch (RemoteException e) { 1603 Slog.e(TAG, "Could not contact the ContainerService"); 1604 } 1605 } else { 1606 broadcastPackageVerified(verificationId, originUri, 1607 PackageManager.VERIFICATION_REJECT, 1608 state.getInstallArgs().getUser()); 1609 } 1610 1611 Trace.asyncTraceEnd( 1612 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1613 1614 processPendingInstall(args, ret); 1615 mHandler.sendEmptyMessage(MCS_UNBIND); 1616 } 1617 break; 1618 } 1619 case PACKAGE_VERIFIED: { 1620 final int verificationId = msg.arg1; 1621 1622 final PackageVerificationState state = mPendingVerification.get(verificationId); 1623 if (state == null) { 1624 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1625 break; 1626 } 1627 1628 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1629 1630 state.setVerifierResponse(response.callerUid, response.code); 1631 1632 if (state.isVerificationComplete()) { 1633 mPendingVerification.remove(verificationId); 1634 1635 final InstallArgs args = state.getInstallArgs(); 1636 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1637 1638 int ret; 1639 if (state.isInstallAllowed()) { 1640 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1641 broadcastPackageVerified(verificationId, originUri, 1642 response.code, state.getInstallArgs().getUser()); 1643 try { 1644 ret = args.copyApk(mContainerService, true); 1645 } catch (RemoteException e) { 1646 Slog.e(TAG, "Could not contact the ContainerService"); 1647 } 1648 } else { 1649 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1650 } 1651 1652 Trace.asyncTraceEnd( 1653 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1654 1655 processPendingInstall(args, ret); 1656 mHandler.sendEmptyMessage(MCS_UNBIND); 1657 } 1658 1659 break; 1660 } 1661 case START_INTENT_FILTER_VERIFICATIONS: { 1662 IFVerificationParams params = (IFVerificationParams) msg.obj; 1663 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1664 params.replacing, params.pkg); 1665 break; 1666 } 1667 case INTENT_FILTER_VERIFIED: { 1668 final int verificationId = msg.arg1; 1669 1670 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1671 verificationId); 1672 if (state == null) { 1673 Slog.w(TAG, "Invalid IntentFilter verification token " 1674 + verificationId + " received"); 1675 break; 1676 } 1677 1678 final int userId = state.getUserId(); 1679 1680 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1681 "Processing IntentFilter verification with token:" 1682 + verificationId + " and userId:" + userId); 1683 1684 final IntentFilterVerificationResponse response = 1685 (IntentFilterVerificationResponse) msg.obj; 1686 1687 state.setVerifierResponse(response.callerUid, response.code); 1688 1689 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1690 "IntentFilter verification with token:" + verificationId 1691 + " and userId:" + userId 1692 + " is settings verifier response with response code:" 1693 + response.code); 1694 1695 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1696 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1697 + response.getFailedDomainsString()); 1698 } 1699 1700 if (state.isVerificationComplete()) { 1701 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1702 } else { 1703 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1704 "IntentFilter verification with token:" + verificationId 1705 + " was not said to be complete"); 1706 } 1707 1708 break; 1709 } 1710 } 1711 } 1712 } 1713 1714 private StorageEventListener mStorageListener = new StorageEventListener() { 1715 @Override 1716 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1717 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1718 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1719 final String volumeUuid = vol.getFsUuid(); 1720 1721 // Clean up any users or apps that were removed or recreated 1722 // while this volume was missing 1723 reconcileUsers(volumeUuid); 1724 reconcileApps(volumeUuid); 1725 1726 // Clean up any install sessions that expired or were 1727 // cancelled while this volume was missing 1728 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1729 1730 loadPrivatePackages(vol); 1731 1732 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1733 unloadPrivatePackages(vol); 1734 } 1735 } 1736 1737 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1738 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1739 updateExternalMediaStatus(true, false); 1740 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1741 updateExternalMediaStatus(false, false); 1742 } 1743 } 1744 } 1745 1746 @Override 1747 public void onVolumeForgotten(String fsUuid) { 1748 if (TextUtils.isEmpty(fsUuid)) { 1749 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1750 return; 1751 } 1752 1753 // Remove any apps installed on the forgotten volume 1754 synchronized (mPackages) { 1755 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1756 for (PackageSetting ps : packages) { 1757 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1758 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1759 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1760 } 1761 1762 mSettings.onVolumeForgotten(fsUuid); 1763 mSettings.writeLPr(); 1764 } 1765 } 1766 }; 1767 1768 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1769 String[] grantedPermissions) { 1770 if (userId >= UserHandle.USER_SYSTEM) { 1771 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1772 } else if (userId == UserHandle.USER_ALL) { 1773 final int[] userIds; 1774 synchronized (mPackages) { 1775 userIds = UserManagerService.getInstance().getUserIds(); 1776 } 1777 for (int someUserId : userIds) { 1778 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1779 } 1780 } 1781 1782 // We could have touched GID membership, so flush out packages.list 1783 synchronized (mPackages) { 1784 mSettings.writePackageListLPr(); 1785 } 1786 } 1787 1788 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1789 String[] grantedPermissions) { 1790 SettingBase sb = (SettingBase) pkg.mExtras; 1791 if (sb == null) { 1792 return; 1793 } 1794 1795 PermissionsState permissionsState = sb.getPermissionsState(); 1796 1797 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1798 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1799 1800 synchronized (mPackages) { 1801 for (String permission : pkg.requestedPermissions) { 1802 BasePermission bp = mSettings.mPermissions.get(permission); 1803 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1804 && (grantedPermissions == null 1805 || ArrayUtils.contains(grantedPermissions, permission))) { 1806 final int flags = permissionsState.getPermissionFlags(permission, userId); 1807 // Installer cannot change immutable permissions. 1808 if ((flags & immutableFlags) == 0) { 1809 grantRuntimePermission(pkg.packageName, permission, userId); 1810 } 1811 } 1812 } 1813 } 1814 } 1815 1816 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1817 Bundle extras = null; 1818 switch (res.returnCode) { 1819 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1820 extras = new Bundle(); 1821 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1822 res.origPermission); 1823 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1824 res.origPackage); 1825 break; 1826 } 1827 case PackageManager.INSTALL_SUCCEEDED: { 1828 extras = new Bundle(); 1829 extras.putBoolean(Intent.EXTRA_REPLACING, 1830 res.removedInfo != null && res.removedInfo.removedPackage != null); 1831 break; 1832 } 1833 } 1834 return extras; 1835 } 1836 1837 void scheduleWriteSettingsLocked() { 1838 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1839 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1840 } 1841 } 1842 1843 void scheduleWritePackageRestrictionsLocked(int userId) { 1844 if (!sUserManager.exists(userId)) return; 1845 mDirtyUsers.add(userId); 1846 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1847 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1848 } 1849 } 1850 1851 public static PackageManagerService main(Context context, Installer installer, 1852 boolean factoryTest, boolean onlyCore) { 1853 PackageManagerService m = new PackageManagerService(context, installer, 1854 factoryTest, onlyCore); 1855 m.enableSystemUserPackages(); 1856 ServiceManager.addService("package", m); 1857 return m; 1858 } 1859 1860 private void enableSystemUserPackages() { 1861 if (!UserManager.isSplitSystemUser()) { 1862 return; 1863 } 1864 // For system user, enable apps based on the following conditions: 1865 // - app is whitelisted or belong to one of these groups: 1866 // -- system app which has no launcher icons 1867 // -- system app which has INTERACT_ACROSS_USERS permission 1868 // -- system IME app 1869 // - app is not in the blacklist 1870 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1871 Set<String> enableApps = new ArraySet<>(); 1872 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1873 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1874 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1875 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1876 enableApps.addAll(wlApps); 1877 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1878 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1879 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1880 enableApps.removeAll(blApps); 1881 Log.i(TAG, "Applications installed for system user: " + enableApps); 1882 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1883 UserHandle.SYSTEM); 1884 final int allAppsSize = allAps.size(); 1885 synchronized (mPackages) { 1886 for (int i = 0; i < allAppsSize; i++) { 1887 String pName = allAps.get(i); 1888 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1889 // Should not happen, but we shouldn't be failing if it does 1890 if (pkgSetting == null) { 1891 continue; 1892 } 1893 boolean install = enableApps.contains(pName); 1894 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 1895 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 1896 + " for system user"); 1897 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 1898 } 1899 } 1900 } 1901 } 1902 1903 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1904 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1905 Context.DISPLAY_SERVICE); 1906 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1907 } 1908 1909 public PackageManagerService(Context context, Installer installer, 1910 boolean factoryTest, boolean onlyCore) { 1911 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1912 SystemClock.uptimeMillis()); 1913 1914 if (mSdkVersion <= 0) { 1915 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1916 } 1917 1918 mContext = context; 1919 mFactoryTest = factoryTest; 1920 mOnlyCore = onlyCore; 1921 mMetrics = new DisplayMetrics(); 1922 mSettings = new Settings(mPackages); 1923 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1924 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1925 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1926 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1927 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1928 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1929 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1930 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1931 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1932 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1933 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1934 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1935 1936 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1937 if (separateProcesses != null && separateProcesses.length() > 0) { 1938 if ("*".equals(separateProcesses)) { 1939 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1940 mSeparateProcesses = null; 1941 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1942 } else { 1943 mDefParseFlags = 0; 1944 mSeparateProcesses = separateProcesses.split(","); 1945 Slog.w(TAG, "Running with debug.separate_processes: " 1946 + separateProcesses); 1947 } 1948 } else { 1949 mDefParseFlags = 0; 1950 mSeparateProcesses = null; 1951 } 1952 1953 mInstaller = installer; 1954 mPackageDexOptimizer = new PackageDexOptimizer(this); 1955 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1956 1957 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1958 FgThread.get().getLooper()); 1959 1960 getDefaultDisplayMetrics(context, mMetrics); 1961 1962 SystemConfig systemConfig = SystemConfig.getInstance(); 1963 mGlobalGids = systemConfig.getGlobalGids(); 1964 mSystemPermissions = systemConfig.getSystemPermissions(); 1965 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1966 1967 synchronized (mInstallLock) { 1968 // writer 1969 synchronized (mPackages) { 1970 mHandlerThread = new ServiceThread(TAG, 1971 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1972 mHandlerThread.start(); 1973 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1974 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1975 1976 File dataDir = Environment.getDataDirectory(); 1977 mAppInstallDir = new File(dataDir, "app"); 1978 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1979 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 1980 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1981 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1982 1983 sUserManager = new UserManagerService(context, this, mPackages); 1984 1985 // Propagate permission configuration in to package manager. 1986 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1987 = systemConfig.getPermissions(); 1988 for (int i=0; i<permConfig.size(); i++) { 1989 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1990 BasePermission bp = mSettings.mPermissions.get(perm.name); 1991 if (bp == null) { 1992 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1993 mSettings.mPermissions.put(perm.name, bp); 1994 } 1995 if (perm.gids != null) { 1996 bp.setGids(perm.gids, perm.perUser); 1997 } 1998 } 1999 2000 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2001 for (int i=0; i<libConfig.size(); i++) { 2002 mSharedLibraries.put(libConfig.keyAt(i), 2003 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2004 } 2005 2006 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2007 2008 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2009 2010 String customResolverActivity = Resources.getSystem().getString( 2011 R.string.config_customResolverActivity); 2012 if (TextUtils.isEmpty(customResolverActivity)) { 2013 customResolverActivity = null; 2014 } else { 2015 mCustomResolverComponentName = ComponentName.unflattenFromString( 2016 customResolverActivity); 2017 } 2018 2019 long startTime = SystemClock.uptimeMillis(); 2020 2021 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2022 startTime); 2023 2024 // Set flag to monitor and not change apk file paths when 2025 // scanning install directories. 2026 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2027 2028 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2029 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2030 2031 if (bootClassPath == null) { 2032 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2033 } 2034 2035 if (systemServerClassPath == null) { 2036 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2037 } 2038 2039 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2040 final String[] dexCodeInstructionSets = 2041 getDexCodeInstructionSets( 2042 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2043 2044 /** 2045 * Ensure all external libraries have had dexopt run on them. 2046 */ 2047 if (mSharedLibraries.size() > 0) { 2048 // NOTE: For now, we're compiling these system "shared libraries" 2049 // (and framework jars) into all available architectures. It's possible 2050 // to compile them only when we come across an app that uses them (there's 2051 // already logic for that in scanPackageLI) but that adds some complexity. 2052 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2053 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2054 final String lib = libEntry.path; 2055 if (lib == null) { 2056 continue; 2057 } 2058 2059 try { 2060 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2061 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2062 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2063 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/); 2064 } 2065 } catch (FileNotFoundException e) { 2066 Slog.w(TAG, "Library not found: " + lib); 2067 } catch (IOException e) { 2068 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2069 + e.getMessage()); 2070 } 2071 } 2072 } 2073 } 2074 2075 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2076 2077 final VersionInfo ver = mSettings.getInternalVersion(); 2078 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2079 // when upgrading from pre-M, promote system app permissions from install to runtime 2080 mPromoteSystemApps = 2081 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2082 2083 // save off the names of pre-existing system packages prior to scanning; we don't 2084 // want to automatically grant runtime permissions for new system apps 2085 if (mPromoteSystemApps) { 2086 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2087 while (pkgSettingIter.hasNext()) { 2088 PackageSetting ps = pkgSettingIter.next(); 2089 if (isSystemApp(ps)) { 2090 mExistingSystemPackages.add(ps.name); 2091 } 2092 } 2093 } 2094 2095 // Collect vendor overlay packages. 2096 // (Do this before scanning any apps.) 2097 // For security and version matching reason, only consider 2098 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2099 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2100 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2101 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2102 2103 // Find base frameworks (resource packages without code). 2104 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2105 | PackageParser.PARSE_IS_SYSTEM_DIR 2106 | PackageParser.PARSE_IS_PRIVILEGED, 2107 scanFlags | SCAN_NO_DEX, 0); 2108 2109 // Collected privileged system packages. 2110 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2111 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2112 | PackageParser.PARSE_IS_SYSTEM_DIR 2113 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2114 2115 // Collect ordinary system packages. 2116 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2117 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2118 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2119 2120 // Collect all vendor packages. 2121 File vendorAppDir = new File("/vendor/app"); 2122 try { 2123 vendorAppDir = vendorAppDir.getCanonicalFile(); 2124 } catch (IOException e) { 2125 // failed to look up canonical path, continue with original one 2126 } 2127 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2128 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2129 2130 // Collect all OEM packages. 2131 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2132 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2133 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2134 2135 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2136 mInstaller.moveFiles(); 2137 2138 // Prune any system packages that no longer exist. 2139 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2140 if (!mOnlyCore) { 2141 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2142 while (psit.hasNext()) { 2143 PackageSetting ps = psit.next(); 2144 2145 /* 2146 * If this is not a system app, it can't be a 2147 * disable system app. 2148 */ 2149 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2150 continue; 2151 } 2152 2153 /* 2154 * If the package is scanned, it's not erased. 2155 */ 2156 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2157 if (scannedPkg != null) { 2158 /* 2159 * If the system app is both scanned and in the 2160 * disabled packages list, then it must have been 2161 * added via OTA. Remove it from the currently 2162 * scanned package so the previously user-installed 2163 * application can be scanned. 2164 */ 2165 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2166 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2167 + ps.name + "; removing system app. Last known codePath=" 2168 + ps.codePathString + ", installStatus=" + ps.installStatus 2169 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2170 + scannedPkg.mVersionCode); 2171 removePackageLI(ps, true); 2172 mExpectingBetter.put(ps.name, ps.codePath); 2173 } 2174 2175 continue; 2176 } 2177 2178 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2179 psit.remove(); 2180 logCriticalInfo(Log.WARN, "System package " + ps.name 2181 + " no longer exists; wiping its data"); 2182 removeDataDirsLI(null, ps.name); 2183 } else { 2184 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2185 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2186 possiblyDeletedUpdatedSystemApps.add(ps.name); 2187 } 2188 } 2189 } 2190 } 2191 2192 //look for any incomplete package installations 2193 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2194 //clean up list 2195 for(int i = 0; i < deletePkgsList.size(); i++) { 2196 //clean up here 2197 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2198 } 2199 //delete tmp files 2200 deleteTempPackageFiles(); 2201 2202 // Remove any shared userIDs that have no associated packages 2203 mSettings.pruneSharedUsersLPw(); 2204 2205 if (!mOnlyCore) { 2206 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2207 SystemClock.uptimeMillis()); 2208 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2209 2210 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2211 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2212 2213 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2214 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2215 2216 /** 2217 * Remove disable package settings for any updated system 2218 * apps that were removed via an OTA. If they're not a 2219 * previously-updated app, remove them completely. 2220 * Otherwise, just revoke their system-level permissions. 2221 */ 2222 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2223 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2224 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2225 2226 String msg; 2227 if (deletedPkg == null) { 2228 msg = "Updated system package " + deletedAppName 2229 + " no longer exists; wiping its data"; 2230 removeDataDirsLI(null, deletedAppName); 2231 } else { 2232 msg = "Updated system app + " + deletedAppName 2233 + " no longer present; removing system privileges for " 2234 + deletedAppName; 2235 2236 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2237 2238 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2239 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2240 } 2241 logCriticalInfo(Log.WARN, msg); 2242 } 2243 2244 /** 2245 * Make sure all system apps that we expected to appear on 2246 * the userdata partition actually showed up. If they never 2247 * appeared, crawl back and revive the system version. 2248 */ 2249 for (int i = 0; i < mExpectingBetter.size(); i++) { 2250 final String packageName = mExpectingBetter.keyAt(i); 2251 if (!mPackages.containsKey(packageName)) { 2252 final File scanFile = mExpectingBetter.valueAt(i); 2253 2254 logCriticalInfo(Log.WARN, "Expected better " + packageName 2255 + " but never showed up; reverting to system"); 2256 2257 final int reparseFlags; 2258 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2259 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2260 | PackageParser.PARSE_IS_SYSTEM_DIR 2261 | PackageParser.PARSE_IS_PRIVILEGED; 2262 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2263 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2264 | PackageParser.PARSE_IS_SYSTEM_DIR; 2265 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2266 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2267 | PackageParser.PARSE_IS_SYSTEM_DIR; 2268 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2269 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2270 | PackageParser.PARSE_IS_SYSTEM_DIR; 2271 } else { 2272 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2273 continue; 2274 } 2275 2276 mSettings.enableSystemPackageLPw(packageName); 2277 2278 try { 2279 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2280 } catch (PackageManagerException e) { 2281 Slog.e(TAG, "Failed to parse original system package: " 2282 + e.getMessage()); 2283 } 2284 } 2285 } 2286 } 2287 mExpectingBetter.clear(); 2288 2289 // Now that we know all of the shared libraries, update all clients to have 2290 // the correct library paths. 2291 updateAllSharedLibrariesLPw(); 2292 2293 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2294 // NOTE: We ignore potential failures here during a system scan (like 2295 // the rest of the commands above) because there's precious little we 2296 // can do about it. A settings error is reported, though. 2297 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2298 false /* boot complete */); 2299 } 2300 2301 // Now that we know all the packages we are keeping, 2302 // read and update their last usage times. 2303 mPackageUsage.readLP(); 2304 2305 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2306 SystemClock.uptimeMillis()); 2307 Slog.i(TAG, "Time to scan packages: " 2308 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2309 + " seconds"); 2310 2311 // If the platform SDK has changed since the last time we booted, 2312 // we need to re-grant app permission to catch any new ones that 2313 // appear. This is really a hack, and means that apps can in some 2314 // cases get permissions that the user didn't initially explicitly 2315 // allow... it would be nice to have some better way to handle 2316 // this situation. 2317 int updateFlags = UPDATE_PERMISSIONS_ALL; 2318 if (ver.sdkVersion != mSdkVersion) { 2319 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2320 + mSdkVersion + "; regranting permissions for internal storage"); 2321 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2322 } 2323 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2324 ver.sdkVersion = mSdkVersion; 2325 2326 // If this is the first boot or an update from pre-M, and it is a normal 2327 // boot, then we need to initialize the default preferred apps across 2328 // all defined users. 2329 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2330 for (UserInfo user : sUserManager.getUsers(true)) { 2331 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2332 applyFactoryDefaultBrowserLPw(user.id); 2333 primeDomainVerificationsLPw(user.id); 2334 } 2335 } 2336 2337 // If this is first boot after an OTA, and a normal boot, then 2338 // we need to clear code cache directories. 2339 if (mIsUpgrade && !onlyCore) { 2340 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2341 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2342 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2343 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2344 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2345 } 2346 } 2347 ver.fingerprint = Build.FINGERPRINT; 2348 } 2349 2350 checkDefaultBrowser(); 2351 2352 // clear only after permissions and other defaults have been updated 2353 mExistingSystemPackages.clear(); 2354 mPromoteSystemApps = false; 2355 2356 // All the changes are done during package scanning. 2357 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2358 2359 // can downgrade to reader 2360 mSettings.writeLPr(); 2361 2362 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2363 SystemClock.uptimeMillis()); 2364 2365 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2366 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2367 2368 mInstallerService = new PackageInstallerService(context, this); 2369 2370 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2371 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2372 mIntentFilterVerifierComponent); 2373 2374 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2375 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2376 // both the installer and resolver must be present to enable ephemeral 2377 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2378 if (DEBUG_EPHEMERAL) { 2379 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2380 + " installer:" + ephemeralInstallerComponent); 2381 } 2382 mEphemeralResolverComponent = ephemeralResolverComponent; 2383 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2384 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2385 mEphemeralResolverConnection = 2386 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2387 } else { 2388 if (DEBUG_EPHEMERAL) { 2389 final String missingComponent = 2390 (ephemeralResolverComponent == null) 2391 ? (ephemeralInstallerComponent == null) 2392 ? "resolver and installer" 2393 : "resolver" 2394 : "installer"; 2395 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2396 } 2397 mEphemeralResolverComponent = null; 2398 mEphemeralInstallerComponent = null; 2399 mEphemeralResolverConnection = null; 2400 } 2401 2402 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2403 } // synchronized (mPackages) 2404 } // synchronized (mInstallLock) 2405 2406 // Now after opening every single application zip, make sure they 2407 // are all flushed. Not really needed, but keeps things nice and 2408 // tidy. 2409 Runtime.getRuntime().gc(); 2410 2411 // The initial scanning above does many calls into installd while 2412 // holding the mPackages lock, but we're mostly interested in yelling 2413 // once we have a booted system. 2414 mInstaller.setWarnIfHeld(mPackages); 2415 2416 // Expose private service for system components to use. 2417 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2418 } 2419 2420 @Override 2421 public boolean isFirstBoot() { 2422 return !mRestoredSettings; 2423 } 2424 2425 @Override 2426 public boolean isOnlyCoreApps() { 2427 return mOnlyCore; 2428 } 2429 2430 @Override 2431 public boolean isUpgrade() { 2432 return mIsUpgrade; 2433 } 2434 2435 private @NonNull String getRequiredVerifierLPr() { 2436 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2437 2438 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2439 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2440 if (matches.size() == 1) { 2441 return matches.get(0).getComponentInfo().packageName; 2442 } else { 2443 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2444 } 2445 } 2446 2447 private @NonNull String getRequiredInstallerLPr() { 2448 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2449 intent.addCategory(Intent.CATEGORY_DEFAULT); 2450 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2451 2452 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2453 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2454 if (matches.size() == 1) { 2455 return matches.get(0).getComponentInfo().packageName; 2456 } else { 2457 throw new RuntimeException("There must be exactly one installer; found " + matches); 2458 } 2459 } 2460 2461 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2462 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2463 2464 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2465 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2466 ResolveInfo best = null; 2467 final int N = matches.size(); 2468 for (int i = 0; i < N; i++) { 2469 final ResolveInfo cur = matches.get(i); 2470 final String packageName = cur.getComponentInfo().packageName; 2471 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2472 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2473 continue; 2474 } 2475 2476 if (best == null || cur.priority > best.priority) { 2477 best = cur; 2478 } 2479 } 2480 2481 if (best != null) { 2482 return best.getComponentInfo().getComponentName(); 2483 } else { 2484 throw new RuntimeException("There must be at least one intent filter verifier"); 2485 } 2486 } 2487 2488 private @Nullable ComponentName getEphemeralResolverLPr() { 2489 final String[] packageArray = 2490 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2491 if (packageArray.length == 0) { 2492 if (DEBUG_EPHEMERAL) { 2493 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2494 } 2495 return null; 2496 } 2497 2498 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2499 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, null, 2500 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2501 2502 final int N = resolvers.size(); 2503 if (N == 0) { 2504 if (DEBUG_EPHEMERAL) { 2505 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2506 } 2507 return null; 2508 } 2509 2510 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2511 for (int i = 0; i < N; i++) { 2512 final ResolveInfo info = resolvers.get(i); 2513 2514 if (info.serviceInfo == null) { 2515 continue; 2516 } 2517 2518 final String packageName = info.serviceInfo.packageName; 2519 if (!possiblePackages.contains(packageName)) { 2520 if (DEBUG_EPHEMERAL) { 2521 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2522 + " pkg: " + packageName + ", info:" + info); 2523 } 2524 continue; 2525 } 2526 2527 if (DEBUG_EPHEMERAL) { 2528 Slog.v(TAG, "Ephemeral resolver found;" 2529 + " pkg: " + packageName + ", info:" + info); 2530 } 2531 return new ComponentName(packageName, info.serviceInfo.name); 2532 } 2533 if (DEBUG_EPHEMERAL) { 2534 Slog.v(TAG, "Ephemeral resolver NOT found"); 2535 } 2536 return null; 2537 } 2538 2539 private @Nullable ComponentName getEphemeralInstallerLPr() { 2540 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2541 intent.addCategory(Intent.CATEGORY_DEFAULT); 2542 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2543 2544 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2545 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2546 if (matches.size() == 0) { 2547 return null; 2548 } else if (matches.size() == 1) { 2549 return matches.get(0).getComponentInfo().getComponentName(); 2550 } else { 2551 throw new RuntimeException( 2552 "There must be at most one ephemeral installer; found " + matches); 2553 } 2554 } 2555 2556 private void primeDomainVerificationsLPw(int userId) { 2557 if (DEBUG_DOMAIN_VERIFICATION) { 2558 Slog.d(TAG, "Priming domain verifications in user " + userId); 2559 } 2560 2561 SystemConfig systemConfig = SystemConfig.getInstance(); 2562 ArraySet<String> packages = systemConfig.getLinkedApps(); 2563 ArraySet<String> domains = new ArraySet<String>(); 2564 2565 for (String packageName : packages) { 2566 PackageParser.Package pkg = mPackages.get(packageName); 2567 if (pkg != null) { 2568 if (!pkg.isSystemApp()) { 2569 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2570 continue; 2571 } 2572 2573 domains.clear(); 2574 for (PackageParser.Activity a : pkg.activities) { 2575 for (ActivityIntentInfo filter : a.intents) { 2576 if (hasValidDomains(filter)) { 2577 domains.addAll(filter.getHostsList()); 2578 } 2579 } 2580 } 2581 2582 if (domains.size() > 0) { 2583 if (DEBUG_DOMAIN_VERIFICATION) { 2584 Slog.v(TAG, " + " + packageName); 2585 } 2586 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2587 // state w.r.t. the formal app-linkage "no verification attempted" state; 2588 // and then 'always' in the per-user state actually used for intent resolution. 2589 final IntentFilterVerificationInfo ivi; 2590 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2591 new ArrayList<String>(domains)); 2592 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2593 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2594 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2595 } else { 2596 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2597 + "' does not handle web links"); 2598 } 2599 } else { 2600 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2601 } 2602 } 2603 2604 scheduleWritePackageRestrictionsLocked(userId); 2605 scheduleWriteSettingsLocked(); 2606 } 2607 2608 private void applyFactoryDefaultBrowserLPw(int userId) { 2609 // The default browser app's package name is stored in a string resource, 2610 // with a product-specific overlay used for vendor customization. 2611 String browserPkg = mContext.getResources().getString( 2612 com.android.internal.R.string.default_browser); 2613 if (!TextUtils.isEmpty(browserPkg)) { 2614 // non-empty string => required to be a known package 2615 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2616 if (ps == null) { 2617 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2618 browserPkg = null; 2619 } else { 2620 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2621 } 2622 } 2623 2624 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2625 // default. If there's more than one, just leave everything alone. 2626 if (browserPkg == null) { 2627 calculateDefaultBrowserLPw(userId); 2628 } 2629 } 2630 2631 private void calculateDefaultBrowserLPw(int userId) { 2632 List<String> allBrowsers = resolveAllBrowserApps(userId); 2633 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2634 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2635 } 2636 2637 private List<String> resolveAllBrowserApps(int userId) { 2638 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2639 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2640 PackageManager.MATCH_ALL, userId); 2641 2642 final int count = list.size(); 2643 List<String> result = new ArrayList<String>(count); 2644 for (int i=0; i<count; i++) { 2645 ResolveInfo info = list.get(i); 2646 if (info.activityInfo == null 2647 || !info.handleAllWebDataURI 2648 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2649 || result.contains(info.activityInfo.packageName)) { 2650 continue; 2651 } 2652 result.add(info.activityInfo.packageName); 2653 } 2654 2655 return result; 2656 } 2657 2658 private boolean packageIsBrowser(String packageName, int userId) { 2659 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2660 PackageManager.MATCH_ALL, userId); 2661 final int N = list.size(); 2662 for (int i = 0; i < N; i++) { 2663 ResolveInfo info = list.get(i); 2664 if (packageName.equals(info.activityInfo.packageName)) { 2665 return true; 2666 } 2667 } 2668 return false; 2669 } 2670 2671 private void checkDefaultBrowser() { 2672 final int myUserId = UserHandle.myUserId(); 2673 final String packageName = getDefaultBrowserPackageName(myUserId); 2674 if (packageName != null) { 2675 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2676 if (info == null) { 2677 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2678 synchronized (mPackages) { 2679 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2680 } 2681 } 2682 } 2683 } 2684 2685 @Override 2686 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2687 throws RemoteException { 2688 try { 2689 return super.onTransact(code, data, reply, flags); 2690 } catch (RuntimeException e) { 2691 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2692 Slog.wtf(TAG, "Package Manager Crash", e); 2693 } 2694 throw e; 2695 } 2696 } 2697 2698 void cleanupInstallFailedPackage(PackageSetting ps) { 2699 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2700 2701 removeDataDirsLI(ps.volumeUuid, ps.name); 2702 if (ps.codePath != null) { 2703 if (ps.codePath.isDirectory()) { 2704 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2705 } else { 2706 ps.codePath.delete(); 2707 } 2708 } 2709 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2710 if (ps.resourcePath.isDirectory()) { 2711 FileUtils.deleteContents(ps.resourcePath); 2712 } 2713 ps.resourcePath.delete(); 2714 } 2715 mSettings.removePackageLPw(ps.name); 2716 } 2717 2718 static int[] appendInts(int[] cur, int[] add) { 2719 if (add == null) return cur; 2720 if (cur == null) return add; 2721 final int N = add.length; 2722 for (int i=0; i<N; i++) { 2723 cur = appendInt(cur, add[i]); 2724 } 2725 return cur; 2726 } 2727 2728 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2729 if (!sUserManager.exists(userId)) return null; 2730 final PackageSetting ps = (PackageSetting) p.mExtras; 2731 if (ps == null) { 2732 return null; 2733 } 2734 2735 final PermissionsState permissionsState = ps.getPermissionsState(); 2736 2737 final int[] gids = permissionsState.computeGids(userId); 2738 final Set<String> permissions = permissionsState.getPermissions(userId); 2739 final PackageUserState state = ps.readUserState(userId); 2740 2741 return PackageParser.generatePackageInfo(p, gids, flags, 2742 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2743 } 2744 2745 @Override 2746 public void checkPackageStartable(String packageName, int userId) { 2747 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2748 2749 synchronized (mPackages) { 2750 final PackageSetting ps = mSettings.mPackages.get(packageName); 2751 if (ps == null) { 2752 throw new SecurityException("Package " + packageName + " was not found!"); 2753 } 2754 2755 if (ps.frozen) { 2756 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2757 } 2758 2759 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2760 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2761 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2762 } 2763 } 2764 } 2765 2766 @Override 2767 public boolean isPackageAvailable(String packageName, int userId) { 2768 if (!sUserManager.exists(userId)) return false; 2769 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2770 synchronized (mPackages) { 2771 PackageParser.Package p = mPackages.get(packageName); 2772 if (p != null) { 2773 final PackageSetting ps = (PackageSetting) p.mExtras; 2774 if (ps != null) { 2775 final PackageUserState state = ps.readUserState(userId); 2776 if (state != null) { 2777 return PackageParser.isAvailable(state); 2778 } 2779 } 2780 } 2781 } 2782 return false; 2783 } 2784 2785 @Override 2786 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2787 if (!sUserManager.exists(userId)) return null; 2788 flags = updateFlagsForPackage(flags, userId, packageName); 2789 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2790 // reader 2791 synchronized (mPackages) { 2792 PackageParser.Package p = mPackages.get(packageName); 2793 if (DEBUG_PACKAGE_INFO) 2794 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2795 if (p != null) { 2796 return generatePackageInfo(p, flags, userId); 2797 } 2798 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2799 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2800 } 2801 } 2802 return null; 2803 } 2804 2805 @Override 2806 public String[] currentToCanonicalPackageNames(String[] names) { 2807 String[] out = new String[names.length]; 2808 // reader 2809 synchronized (mPackages) { 2810 for (int i=names.length-1; i>=0; i--) { 2811 PackageSetting ps = mSettings.mPackages.get(names[i]); 2812 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2813 } 2814 } 2815 return out; 2816 } 2817 2818 @Override 2819 public String[] canonicalToCurrentPackageNames(String[] names) { 2820 String[] out = new String[names.length]; 2821 // reader 2822 synchronized (mPackages) { 2823 for (int i=names.length-1; i>=0; i--) { 2824 String cur = mSettings.mRenamedPackages.get(names[i]); 2825 out[i] = cur != null ? cur : names[i]; 2826 } 2827 } 2828 return out; 2829 } 2830 2831 @Override 2832 public int getPackageUid(String packageName, int userId) { 2833 return getPackageUidEtc(packageName, 0, userId); 2834 } 2835 2836 @Override 2837 public int getPackageUidEtc(String packageName, int flags, int userId) { 2838 if (!sUserManager.exists(userId)) return -1; 2839 flags = updateFlagsForPackage(flags, userId, packageName); 2840 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2841 2842 // reader 2843 synchronized (mPackages) { 2844 final PackageParser.Package p = mPackages.get(packageName); 2845 if (p != null) { 2846 return UserHandle.getUid(userId, p.applicationInfo.uid); 2847 } 2848 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2849 final PackageSetting ps = mSettings.mPackages.get(packageName); 2850 if (ps != null) { 2851 return UserHandle.getUid(userId, ps.appId); 2852 } 2853 } 2854 } 2855 2856 return -1; 2857 } 2858 2859 @Override 2860 public int[] getPackageGids(String packageName, int userId) { 2861 return getPackageGidsEtc(packageName, 0, userId); 2862 } 2863 2864 @Override 2865 public int[] getPackageGidsEtc(String packageName, int flags, int userId) { 2866 if (!sUserManager.exists(userId)) return null; 2867 flags = updateFlagsForPackage(flags, userId, packageName); 2868 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2869 "getPackageGids"); 2870 2871 // reader 2872 synchronized (mPackages) { 2873 final PackageParser.Package p = mPackages.get(packageName); 2874 if (p != null) { 2875 PackageSetting ps = (PackageSetting) p.mExtras; 2876 return ps.getPermissionsState().computeGids(userId); 2877 } 2878 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2879 final PackageSetting ps = mSettings.mPackages.get(packageName); 2880 if (ps != null) { 2881 return ps.getPermissionsState().computeGids(userId); 2882 } 2883 } 2884 } 2885 2886 return null; 2887 } 2888 2889 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 2890 if (bp.perm != null) { 2891 return PackageParser.generatePermissionInfo(bp.perm, flags); 2892 } 2893 PermissionInfo pi = new PermissionInfo(); 2894 pi.name = bp.name; 2895 pi.packageName = bp.sourcePackage; 2896 pi.nonLocalizedLabel = bp.name; 2897 pi.protectionLevel = bp.protectionLevel; 2898 return pi; 2899 } 2900 2901 @Override 2902 public PermissionInfo getPermissionInfo(String name, int flags) { 2903 // reader 2904 synchronized (mPackages) { 2905 final BasePermission p = mSettings.mPermissions.get(name); 2906 if (p != null) { 2907 return generatePermissionInfo(p, flags); 2908 } 2909 return null; 2910 } 2911 } 2912 2913 @Override 2914 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2915 // reader 2916 synchronized (mPackages) { 2917 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2918 for (BasePermission p : mSettings.mPermissions.values()) { 2919 if (group == null) { 2920 if (p.perm == null || p.perm.info.group == null) { 2921 out.add(generatePermissionInfo(p, flags)); 2922 } 2923 } else { 2924 if (p.perm != null && group.equals(p.perm.info.group)) { 2925 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2926 } 2927 } 2928 } 2929 2930 if (out.size() > 0) { 2931 return out; 2932 } 2933 return mPermissionGroups.containsKey(group) ? out : null; 2934 } 2935 } 2936 2937 @Override 2938 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2939 // reader 2940 synchronized (mPackages) { 2941 return PackageParser.generatePermissionGroupInfo( 2942 mPermissionGroups.get(name), flags); 2943 } 2944 } 2945 2946 @Override 2947 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2948 // reader 2949 synchronized (mPackages) { 2950 final int N = mPermissionGroups.size(); 2951 ArrayList<PermissionGroupInfo> out 2952 = new ArrayList<PermissionGroupInfo>(N); 2953 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2954 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2955 } 2956 return out; 2957 } 2958 } 2959 2960 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2961 int userId) { 2962 if (!sUserManager.exists(userId)) return null; 2963 PackageSetting ps = mSettings.mPackages.get(packageName); 2964 if (ps != null) { 2965 if (ps.pkg == null) { 2966 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2967 flags, userId); 2968 if (pInfo != null) { 2969 return pInfo.applicationInfo; 2970 } 2971 return null; 2972 } 2973 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2974 ps.readUserState(userId), userId); 2975 } 2976 return null; 2977 } 2978 2979 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2980 int userId) { 2981 if (!sUserManager.exists(userId)) return null; 2982 PackageSetting ps = mSettings.mPackages.get(packageName); 2983 if (ps != null) { 2984 PackageParser.Package pkg = ps.pkg; 2985 if (pkg == null) { 2986 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 2987 return null; 2988 } 2989 // Only data remains, so we aren't worried about code paths 2990 pkg = new PackageParser.Package(packageName); 2991 pkg.applicationInfo.packageName = packageName; 2992 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2993 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2994 pkg.applicationInfo.uid = ps.appId; 2995 pkg.applicationInfo.initForUser(userId); 2996 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2997 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2998 } 2999 return generatePackageInfo(pkg, flags, userId); 3000 } 3001 return null; 3002 } 3003 3004 @Override 3005 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3006 if (!sUserManager.exists(userId)) return null; 3007 flags = updateFlagsForApplication(flags, userId, packageName); 3008 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 3009 // writer 3010 synchronized (mPackages) { 3011 PackageParser.Package p = mPackages.get(packageName); 3012 if (DEBUG_PACKAGE_INFO) Log.v( 3013 TAG, "getApplicationInfo " + packageName 3014 + ": " + p); 3015 if (p != null) { 3016 PackageSetting ps = mSettings.mPackages.get(packageName); 3017 if (ps == null) return null; 3018 // Note: isEnabledLP() does not apply here - always return info 3019 return PackageParser.generateApplicationInfo( 3020 p, flags, ps.readUserState(userId), userId); 3021 } 3022 if ("android".equals(packageName)||"system".equals(packageName)) { 3023 return mAndroidApplication; 3024 } 3025 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3026 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3027 } 3028 } 3029 return null; 3030 } 3031 3032 @Override 3033 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3034 final IPackageDataObserver observer) { 3035 mContext.enforceCallingOrSelfPermission( 3036 android.Manifest.permission.CLEAR_APP_CACHE, null); 3037 // Queue up an async operation since clearing cache may take a little while. 3038 mHandler.post(new Runnable() { 3039 public void run() { 3040 mHandler.removeCallbacks(this); 3041 int retCode = -1; 3042 synchronized (mInstallLock) { 3043 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 3044 if (retCode < 0) { 3045 Slog.w(TAG, "Couldn't clear application caches"); 3046 } 3047 } 3048 if (observer != null) { 3049 try { 3050 observer.onRemoveCompleted(null, (retCode >= 0)); 3051 } catch (RemoteException e) { 3052 Slog.w(TAG, "RemoveException when invoking call back"); 3053 } 3054 } 3055 } 3056 }); 3057 } 3058 3059 @Override 3060 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3061 final IntentSender pi) { 3062 mContext.enforceCallingOrSelfPermission( 3063 android.Manifest.permission.CLEAR_APP_CACHE, null); 3064 // Queue up an async operation since clearing cache may take a little while. 3065 mHandler.post(new Runnable() { 3066 public void run() { 3067 mHandler.removeCallbacks(this); 3068 int retCode = -1; 3069 synchronized (mInstallLock) { 3070 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 3071 if (retCode < 0) { 3072 Slog.w(TAG, "Couldn't clear application caches"); 3073 } 3074 } 3075 if(pi != null) { 3076 try { 3077 // Callback via pending intent 3078 int code = (retCode >= 0) ? 1 : 0; 3079 pi.sendIntent(null, code, null, 3080 null, null); 3081 } catch (SendIntentException e1) { 3082 Slog.i(TAG, "Failed to send pending intent"); 3083 } 3084 } 3085 } 3086 }); 3087 } 3088 3089 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3090 synchronized (mInstallLock) { 3091 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 3092 throw new IOException("Failed to free enough space"); 3093 } 3094 } 3095 } 3096 3097 /** 3098 * Return if the user key is currently unlocked. 3099 */ 3100 private boolean isUserKeyUnlocked(int userId) { 3101 if (StorageManager.isFileBasedEncryptionEnabled()) { 3102 final IMountService mount = IMountService.Stub 3103 .asInterface(ServiceManager.getService("mount")); 3104 if (mount == null) { 3105 Slog.w(TAG, "Early during boot, assuming locked"); 3106 return false; 3107 } 3108 final long token = Binder.clearCallingIdentity(); 3109 try { 3110 return mount.isUserKeyUnlocked(userId); 3111 } catch (RemoteException e) { 3112 throw e.rethrowAsRuntimeException(); 3113 } finally { 3114 Binder.restoreCallingIdentity(token); 3115 } 3116 } else { 3117 return true; 3118 } 3119 } 3120 3121 /** 3122 * Update given flags based on encryption status of current user. 3123 */ 3124 private int updateFlagsForEncryption(int flags, int userId) { 3125 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3126 | PackageManager.MATCH_ENCRYPTION_AWARE)) != 0) { 3127 // Caller expressed an explicit opinion about what encryption 3128 // aware/unaware components they want to see, so fall through and 3129 // give them what they want 3130 } else { 3131 // Caller expressed no opinion, so match based on user state 3132 if (isUserKeyUnlocked(userId)) { 3133 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 3134 } else { 3135 flags |= PackageManager.MATCH_ENCRYPTION_AWARE; 3136 } 3137 } 3138 return flags; 3139 } 3140 3141 /** 3142 * Update given flags when being used to request {@link PackageInfo}. 3143 */ 3144 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3145 boolean triaged = true; 3146 if ((flags & PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3147 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS) != 0) { 3148 // Caller is asking for component details, so they'd better be 3149 // asking for specific encryption matching behavior, or be triaged 3150 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3151 | PackageManager.MATCH_ENCRYPTION_AWARE 3152 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3153 triaged = false; 3154 } 3155 } 3156 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3157 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3158 triaged = false; 3159 } 3160 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3161 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie, 3162 new Throwable()); 3163 } 3164 return updateFlagsForEncryption(flags, userId); 3165 } 3166 3167 /** 3168 * Update given flags when being used to request {@link ApplicationInfo}. 3169 */ 3170 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3171 return updateFlagsForPackage(flags, userId, cookie); 3172 } 3173 3174 /** 3175 * Update given flags when being used to request {@link ComponentInfo}. 3176 */ 3177 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3178 boolean triaged = true; 3179 // Caller is asking for component details, so they'd better be 3180 // asking for specific encryption matching behavior, or be triaged 3181 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3182 | PackageManager.MATCH_ENCRYPTION_AWARE 3183 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3184 triaged = false; 3185 } 3186 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3187 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie, 3188 new Throwable()); 3189 } 3190 return updateFlagsForEncryption(flags, userId); 3191 } 3192 3193 /** 3194 * Update given flags when being used to request {@link ResolveInfo}. 3195 */ 3196 private int updateFlagsForResolve(int flags, int userId, Object cookie) { 3197 return updateFlagsForComponent(flags, userId, cookie); 3198 } 3199 3200 @Override 3201 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3202 if (!sUserManager.exists(userId)) return null; 3203 flags = updateFlagsForComponent(flags, userId, component); 3204 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3205 synchronized (mPackages) { 3206 PackageParser.Activity a = mActivities.mActivities.get(component); 3207 3208 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3209 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3210 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3211 if (ps == null) return null; 3212 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3213 userId); 3214 } 3215 if (mResolveComponentName.equals(component)) { 3216 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3217 new PackageUserState(), userId); 3218 } 3219 } 3220 return null; 3221 } 3222 3223 @Override 3224 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3225 String resolvedType) { 3226 synchronized (mPackages) { 3227 if (component.equals(mResolveComponentName)) { 3228 // The resolver supports EVERYTHING! 3229 return true; 3230 } 3231 PackageParser.Activity a = mActivities.mActivities.get(component); 3232 if (a == null) { 3233 return false; 3234 } 3235 for (int i=0; i<a.intents.size(); i++) { 3236 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3237 intent.getData(), intent.getCategories(), TAG) >= 0) { 3238 return true; 3239 } 3240 } 3241 return false; 3242 } 3243 } 3244 3245 @Override 3246 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3247 if (!sUserManager.exists(userId)) return null; 3248 flags = updateFlagsForComponent(flags, userId, component); 3249 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3250 synchronized (mPackages) { 3251 PackageParser.Activity a = mReceivers.mActivities.get(component); 3252 if (DEBUG_PACKAGE_INFO) Log.v( 3253 TAG, "getReceiverInfo " + component + ": " + a); 3254 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3255 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3256 if (ps == null) return null; 3257 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3258 userId); 3259 } 3260 } 3261 return null; 3262 } 3263 3264 @Override 3265 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3266 if (!sUserManager.exists(userId)) return null; 3267 flags = updateFlagsForComponent(flags, userId, component); 3268 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3269 synchronized (mPackages) { 3270 PackageParser.Service s = mServices.mServices.get(component); 3271 if (DEBUG_PACKAGE_INFO) Log.v( 3272 TAG, "getServiceInfo " + component + ": " + s); 3273 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3274 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3275 if (ps == null) return null; 3276 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3277 userId); 3278 } 3279 } 3280 return null; 3281 } 3282 3283 @Override 3284 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3285 if (!sUserManager.exists(userId)) return null; 3286 flags = updateFlagsForComponent(flags, userId, component); 3287 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3288 synchronized (mPackages) { 3289 PackageParser.Provider p = mProviders.mProviders.get(component); 3290 if (DEBUG_PACKAGE_INFO) Log.v( 3291 TAG, "getProviderInfo " + component + ": " + p); 3292 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3293 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3294 if (ps == null) return null; 3295 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3296 userId); 3297 } 3298 } 3299 return null; 3300 } 3301 3302 @Override 3303 public String[] getSystemSharedLibraryNames() { 3304 Set<String> libSet; 3305 synchronized (mPackages) { 3306 libSet = mSharedLibraries.keySet(); 3307 int size = libSet.size(); 3308 if (size > 0) { 3309 String[] libs = new String[size]; 3310 libSet.toArray(libs); 3311 return libs; 3312 } 3313 } 3314 return null; 3315 } 3316 3317 /** 3318 * @hide 3319 */ 3320 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3321 synchronized (mPackages) { 3322 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3323 if (lib != null && lib.apk != null) { 3324 return mPackages.get(lib.apk); 3325 } 3326 } 3327 return null; 3328 } 3329 3330 @Override 3331 public FeatureInfo[] getSystemAvailableFeatures() { 3332 Collection<FeatureInfo> featSet; 3333 synchronized (mPackages) { 3334 featSet = mAvailableFeatures.values(); 3335 int size = featSet.size(); 3336 if (size > 0) { 3337 FeatureInfo[] features = new FeatureInfo[size+1]; 3338 featSet.toArray(features); 3339 FeatureInfo fi = new FeatureInfo(); 3340 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3341 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3342 features[size] = fi; 3343 return features; 3344 } 3345 } 3346 return null; 3347 } 3348 3349 @Override 3350 public boolean hasSystemFeature(String name) { 3351 synchronized (mPackages) { 3352 return mAvailableFeatures.containsKey(name); 3353 } 3354 } 3355 3356 @Override 3357 public int checkPermission(String permName, String pkgName, int userId) { 3358 if (!sUserManager.exists(userId)) { 3359 return PackageManager.PERMISSION_DENIED; 3360 } 3361 3362 synchronized (mPackages) { 3363 final PackageParser.Package p = mPackages.get(pkgName); 3364 if (p != null && p.mExtras != null) { 3365 final PackageSetting ps = (PackageSetting) p.mExtras; 3366 final PermissionsState permissionsState = ps.getPermissionsState(); 3367 if (permissionsState.hasPermission(permName, userId)) { 3368 return PackageManager.PERMISSION_GRANTED; 3369 } 3370 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3371 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3372 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3373 return PackageManager.PERMISSION_GRANTED; 3374 } 3375 } 3376 } 3377 3378 return PackageManager.PERMISSION_DENIED; 3379 } 3380 3381 @Override 3382 public int checkUidPermission(String permName, int uid) { 3383 final int userId = UserHandle.getUserId(uid); 3384 3385 if (!sUserManager.exists(userId)) { 3386 return PackageManager.PERMISSION_DENIED; 3387 } 3388 3389 synchronized (mPackages) { 3390 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3391 if (obj != null) { 3392 final SettingBase ps = (SettingBase) obj; 3393 final PermissionsState permissionsState = ps.getPermissionsState(); 3394 if (permissionsState.hasPermission(permName, userId)) { 3395 return PackageManager.PERMISSION_GRANTED; 3396 } 3397 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3398 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3399 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3400 return PackageManager.PERMISSION_GRANTED; 3401 } 3402 } else { 3403 ArraySet<String> perms = mSystemPermissions.get(uid); 3404 if (perms != null) { 3405 if (perms.contains(permName)) { 3406 return PackageManager.PERMISSION_GRANTED; 3407 } 3408 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3409 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3410 return PackageManager.PERMISSION_GRANTED; 3411 } 3412 } 3413 } 3414 } 3415 3416 return PackageManager.PERMISSION_DENIED; 3417 } 3418 3419 @Override 3420 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3421 if (UserHandle.getCallingUserId() != userId) { 3422 mContext.enforceCallingPermission( 3423 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3424 "isPermissionRevokedByPolicy for user " + userId); 3425 } 3426 3427 if (checkPermission(permission, packageName, userId) 3428 == PackageManager.PERMISSION_GRANTED) { 3429 return false; 3430 } 3431 3432 final long identity = Binder.clearCallingIdentity(); 3433 try { 3434 final int flags = getPermissionFlags(permission, packageName, userId); 3435 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3436 } finally { 3437 Binder.restoreCallingIdentity(identity); 3438 } 3439 } 3440 3441 @Override 3442 public String getPermissionControllerPackageName() { 3443 synchronized (mPackages) { 3444 return mRequiredInstallerPackage; 3445 } 3446 } 3447 3448 /** 3449 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3450 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3451 * @param checkShell TODO(yamasani): 3452 * @param message the message to log on security exception 3453 */ 3454 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3455 boolean checkShell, String message) { 3456 if (userId < 0) { 3457 throw new IllegalArgumentException("Invalid userId " + userId); 3458 } 3459 if (checkShell) { 3460 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3461 } 3462 if (userId == UserHandle.getUserId(callingUid)) return; 3463 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3464 if (requireFullPermission) { 3465 mContext.enforceCallingOrSelfPermission( 3466 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3467 } else { 3468 try { 3469 mContext.enforceCallingOrSelfPermission( 3470 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3471 } catch (SecurityException se) { 3472 mContext.enforceCallingOrSelfPermission( 3473 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3474 } 3475 } 3476 } 3477 } 3478 3479 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3480 if (callingUid == Process.SHELL_UID) { 3481 if (userHandle >= 0 3482 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3483 throw new SecurityException("Shell does not have permission to access user " 3484 + userHandle); 3485 } else if (userHandle < 0) { 3486 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3487 + Debug.getCallers(3)); 3488 } 3489 } 3490 } 3491 3492 private BasePermission findPermissionTreeLP(String permName) { 3493 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3494 if (permName.startsWith(bp.name) && 3495 permName.length() > bp.name.length() && 3496 permName.charAt(bp.name.length()) == '.') { 3497 return bp; 3498 } 3499 } 3500 return null; 3501 } 3502 3503 private BasePermission checkPermissionTreeLP(String permName) { 3504 if (permName != null) { 3505 BasePermission bp = findPermissionTreeLP(permName); 3506 if (bp != null) { 3507 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3508 return bp; 3509 } 3510 throw new SecurityException("Calling uid " 3511 + Binder.getCallingUid() 3512 + " is not allowed to add to permission tree " 3513 + bp.name + " owned by uid " + bp.uid); 3514 } 3515 } 3516 throw new SecurityException("No permission tree found for " + permName); 3517 } 3518 3519 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3520 if (s1 == null) { 3521 return s2 == null; 3522 } 3523 if (s2 == null) { 3524 return false; 3525 } 3526 if (s1.getClass() != s2.getClass()) { 3527 return false; 3528 } 3529 return s1.equals(s2); 3530 } 3531 3532 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3533 if (pi1.icon != pi2.icon) return false; 3534 if (pi1.logo != pi2.logo) return false; 3535 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3536 if (!compareStrings(pi1.name, pi2.name)) return false; 3537 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3538 // We'll take care of setting this one. 3539 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3540 // These are not currently stored in settings. 3541 //if (!compareStrings(pi1.group, pi2.group)) return false; 3542 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3543 //if (pi1.labelRes != pi2.labelRes) return false; 3544 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3545 return true; 3546 } 3547 3548 int permissionInfoFootprint(PermissionInfo info) { 3549 int size = info.name.length(); 3550 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3551 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3552 return size; 3553 } 3554 3555 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3556 int size = 0; 3557 for (BasePermission perm : mSettings.mPermissions.values()) { 3558 if (perm.uid == tree.uid) { 3559 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3560 } 3561 } 3562 return size; 3563 } 3564 3565 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3566 // We calculate the max size of permissions defined by this uid and throw 3567 // if that plus the size of 'info' would exceed our stated maximum. 3568 if (tree.uid != Process.SYSTEM_UID) { 3569 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3570 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3571 throw new SecurityException("Permission tree size cap exceeded"); 3572 } 3573 } 3574 } 3575 3576 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3577 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3578 throw new SecurityException("Label must be specified in permission"); 3579 } 3580 BasePermission tree = checkPermissionTreeLP(info.name); 3581 BasePermission bp = mSettings.mPermissions.get(info.name); 3582 boolean added = bp == null; 3583 boolean changed = true; 3584 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3585 if (added) { 3586 enforcePermissionCapLocked(info, tree); 3587 bp = new BasePermission(info.name, tree.sourcePackage, 3588 BasePermission.TYPE_DYNAMIC); 3589 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3590 throw new SecurityException( 3591 "Not allowed to modify non-dynamic permission " 3592 + info.name); 3593 } else { 3594 if (bp.protectionLevel == fixedLevel 3595 && bp.perm.owner.equals(tree.perm.owner) 3596 && bp.uid == tree.uid 3597 && comparePermissionInfos(bp.perm.info, info)) { 3598 changed = false; 3599 } 3600 } 3601 bp.protectionLevel = fixedLevel; 3602 info = new PermissionInfo(info); 3603 info.protectionLevel = fixedLevel; 3604 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3605 bp.perm.info.packageName = tree.perm.info.packageName; 3606 bp.uid = tree.uid; 3607 if (added) { 3608 mSettings.mPermissions.put(info.name, bp); 3609 } 3610 if (changed) { 3611 if (!async) { 3612 mSettings.writeLPr(); 3613 } else { 3614 scheduleWriteSettingsLocked(); 3615 } 3616 } 3617 return added; 3618 } 3619 3620 @Override 3621 public boolean addPermission(PermissionInfo info) { 3622 synchronized (mPackages) { 3623 return addPermissionLocked(info, false); 3624 } 3625 } 3626 3627 @Override 3628 public boolean addPermissionAsync(PermissionInfo info) { 3629 synchronized (mPackages) { 3630 return addPermissionLocked(info, true); 3631 } 3632 } 3633 3634 @Override 3635 public void removePermission(String name) { 3636 synchronized (mPackages) { 3637 checkPermissionTreeLP(name); 3638 BasePermission bp = mSettings.mPermissions.get(name); 3639 if (bp != null) { 3640 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3641 throw new SecurityException( 3642 "Not allowed to modify non-dynamic permission " 3643 + name); 3644 } 3645 mSettings.mPermissions.remove(name); 3646 mSettings.writeLPr(); 3647 } 3648 } 3649 } 3650 3651 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3652 BasePermission bp) { 3653 int index = pkg.requestedPermissions.indexOf(bp.name); 3654 if (index == -1) { 3655 throw new SecurityException("Package " + pkg.packageName 3656 + " has not requested permission " + bp.name); 3657 } 3658 if (!bp.isRuntime() && !bp.isDevelopment()) { 3659 throw new SecurityException("Permission " + bp.name 3660 + " is not a changeable permission type"); 3661 } 3662 } 3663 3664 @Override 3665 public void grantRuntimePermission(String packageName, String name, final int userId) { 3666 if (!sUserManager.exists(userId)) { 3667 Log.e(TAG, "No such user:" + userId); 3668 return; 3669 } 3670 3671 mContext.enforceCallingOrSelfPermission( 3672 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3673 "grantRuntimePermission"); 3674 3675 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3676 "grantRuntimePermission"); 3677 3678 final int uid; 3679 final SettingBase sb; 3680 3681 synchronized (mPackages) { 3682 final PackageParser.Package pkg = mPackages.get(packageName); 3683 if (pkg == null) { 3684 throw new IllegalArgumentException("Unknown package: " + packageName); 3685 } 3686 3687 final BasePermission bp = mSettings.mPermissions.get(name); 3688 if (bp == null) { 3689 throw new IllegalArgumentException("Unknown permission: " + name); 3690 } 3691 3692 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3693 3694 // If a permission review is required for legacy apps we represent 3695 // their permissions as always granted runtime ones since we need 3696 // to keep the review required permission flag per user while an 3697 // install permission's state is shared across all users. 3698 if (Build.PERMISSIONS_REVIEW_REQUIRED 3699 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3700 && bp.isRuntime()) { 3701 return; 3702 } 3703 3704 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3705 sb = (SettingBase) pkg.mExtras; 3706 if (sb == null) { 3707 throw new IllegalArgumentException("Unknown package: " + packageName); 3708 } 3709 3710 final PermissionsState permissionsState = sb.getPermissionsState(); 3711 3712 final int flags = permissionsState.getPermissionFlags(name, userId); 3713 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3714 throw new SecurityException("Cannot grant system fixed permission " 3715 + name + " for package " + packageName); 3716 } 3717 3718 if (bp.isDevelopment()) { 3719 // Development permissions must be handled specially, since they are not 3720 // normal runtime permissions. For now they apply to all users. 3721 if (permissionsState.grantInstallPermission(bp) != 3722 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3723 scheduleWriteSettingsLocked(); 3724 } 3725 return; 3726 } 3727 3728 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3729 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3730 return; 3731 } 3732 3733 final int result = permissionsState.grantRuntimePermission(bp, userId); 3734 switch (result) { 3735 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3736 return; 3737 } 3738 3739 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3740 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3741 mHandler.post(new Runnable() { 3742 @Override 3743 public void run() { 3744 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3745 } 3746 }); 3747 } 3748 break; 3749 } 3750 3751 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3752 3753 // Not critical if that is lost - app has to request again. 3754 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3755 } 3756 3757 // Only need to do this if user is initialized. Otherwise it's a new user 3758 // and there are no processes running as the user yet and there's no need 3759 // to make an expensive call to remount processes for the changed permissions. 3760 if (READ_EXTERNAL_STORAGE.equals(name) 3761 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3762 final long token = Binder.clearCallingIdentity(); 3763 try { 3764 if (sUserManager.isInitialized(userId)) { 3765 MountServiceInternal mountServiceInternal = LocalServices.getService( 3766 MountServiceInternal.class); 3767 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3768 } 3769 } finally { 3770 Binder.restoreCallingIdentity(token); 3771 } 3772 } 3773 } 3774 3775 @Override 3776 public void revokeRuntimePermission(String packageName, String name, int userId) { 3777 if (!sUserManager.exists(userId)) { 3778 Log.e(TAG, "No such user:" + userId); 3779 return; 3780 } 3781 3782 mContext.enforceCallingOrSelfPermission( 3783 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3784 "revokeRuntimePermission"); 3785 3786 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3787 "revokeRuntimePermission"); 3788 3789 final int appId; 3790 3791 synchronized (mPackages) { 3792 final PackageParser.Package pkg = mPackages.get(packageName); 3793 if (pkg == null) { 3794 throw new IllegalArgumentException("Unknown package: " + packageName); 3795 } 3796 3797 final BasePermission bp = mSettings.mPermissions.get(name); 3798 if (bp == null) { 3799 throw new IllegalArgumentException("Unknown permission: " + name); 3800 } 3801 3802 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3803 3804 // If a permission review is required for legacy apps we represent 3805 // their permissions as always granted runtime ones since we need 3806 // to keep the review required permission flag per user while an 3807 // install permission's state is shared across all users. 3808 if (Build.PERMISSIONS_REVIEW_REQUIRED 3809 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3810 && bp.isRuntime()) { 3811 return; 3812 } 3813 3814 SettingBase sb = (SettingBase) pkg.mExtras; 3815 if (sb == null) { 3816 throw new IllegalArgumentException("Unknown package: " + packageName); 3817 } 3818 3819 final PermissionsState permissionsState = sb.getPermissionsState(); 3820 3821 final int flags = permissionsState.getPermissionFlags(name, userId); 3822 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3823 throw new SecurityException("Cannot revoke system fixed permission " 3824 + name + " for package " + packageName); 3825 } 3826 3827 if (bp.isDevelopment()) { 3828 // Development permissions must be handled specially, since they are not 3829 // normal runtime permissions. For now they apply to all users. 3830 if (permissionsState.revokeInstallPermission(bp) != 3831 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3832 scheduleWriteSettingsLocked(); 3833 } 3834 return; 3835 } 3836 3837 if (permissionsState.revokeRuntimePermission(bp, userId) == 3838 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3839 return; 3840 } 3841 3842 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3843 3844 // Critical, after this call app should never have the permission. 3845 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3846 3847 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3848 } 3849 3850 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3851 } 3852 3853 @Override 3854 public void resetRuntimePermissions() { 3855 mContext.enforceCallingOrSelfPermission( 3856 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3857 "revokeRuntimePermission"); 3858 3859 int callingUid = Binder.getCallingUid(); 3860 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3861 mContext.enforceCallingOrSelfPermission( 3862 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3863 "resetRuntimePermissions"); 3864 } 3865 3866 synchronized (mPackages) { 3867 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3868 for (int userId : UserManagerService.getInstance().getUserIds()) { 3869 final int packageCount = mPackages.size(); 3870 for (int i = 0; i < packageCount; i++) { 3871 PackageParser.Package pkg = mPackages.valueAt(i); 3872 if (!(pkg.mExtras instanceof PackageSetting)) { 3873 continue; 3874 } 3875 PackageSetting ps = (PackageSetting) pkg.mExtras; 3876 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3877 } 3878 } 3879 } 3880 } 3881 3882 @Override 3883 public int getPermissionFlags(String name, String packageName, int userId) { 3884 if (!sUserManager.exists(userId)) { 3885 return 0; 3886 } 3887 3888 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3889 3890 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3891 "getPermissionFlags"); 3892 3893 synchronized (mPackages) { 3894 final PackageParser.Package pkg = mPackages.get(packageName); 3895 if (pkg == null) { 3896 throw new IllegalArgumentException("Unknown package: " + packageName); 3897 } 3898 3899 final BasePermission bp = mSettings.mPermissions.get(name); 3900 if (bp == null) { 3901 throw new IllegalArgumentException("Unknown permission: " + name); 3902 } 3903 3904 SettingBase sb = (SettingBase) pkg.mExtras; 3905 if (sb == null) { 3906 throw new IllegalArgumentException("Unknown package: " + packageName); 3907 } 3908 3909 PermissionsState permissionsState = sb.getPermissionsState(); 3910 return permissionsState.getPermissionFlags(name, userId); 3911 } 3912 } 3913 3914 @Override 3915 public void updatePermissionFlags(String name, String packageName, int flagMask, 3916 int flagValues, int userId) { 3917 if (!sUserManager.exists(userId)) { 3918 return; 3919 } 3920 3921 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3922 3923 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3924 "updatePermissionFlags"); 3925 3926 // Only the system can change these flags and nothing else. 3927 if (getCallingUid() != Process.SYSTEM_UID) { 3928 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3929 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3930 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3931 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3932 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 3933 } 3934 3935 synchronized (mPackages) { 3936 final PackageParser.Package pkg = mPackages.get(packageName); 3937 if (pkg == null) { 3938 throw new IllegalArgumentException("Unknown package: " + packageName); 3939 } 3940 3941 final BasePermission bp = mSettings.mPermissions.get(name); 3942 if (bp == null) { 3943 throw new IllegalArgumentException("Unknown permission: " + name); 3944 } 3945 3946 SettingBase sb = (SettingBase) pkg.mExtras; 3947 if (sb == null) { 3948 throw new IllegalArgumentException("Unknown package: " + packageName); 3949 } 3950 3951 PermissionsState permissionsState = sb.getPermissionsState(); 3952 3953 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3954 3955 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3956 // Install and runtime permissions are stored in different places, 3957 // so figure out what permission changed and persist the change. 3958 if (permissionsState.getInstallPermissionState(name) != null) { 3959 scheduleWriteSettingsLocked(); 3960 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3961 || hadState) { 3962 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3963 } 3964 } 3965 } 3966 } 3967 3968 /** 3969 * Update the permission flags for all packages and runtime permissions of a user in order 3970 * to allow device or profile owner to remove POLICY_FIXED. 3971 */ 3972 @Override 3973 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3974 if (!sUserManager.exists(userId)) { 3975 return; 3976 } 3977 3978 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3979 3980 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3981 "updatePermissionFlagsForAllApps"); 3982 3983 // Only the system can change system fixed flags. 3984 if (getCallingUid() != Process.SYSTEM_UID) { 3985 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3986 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3987 } 3988 3989 synchronized (mPackages) { 3990 boolean changed = false; 3991 final int packageCount = mPackages.size(); 3992 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3993 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3994 SettingBase sb = (SettingBase) pkg.mExtras; 3995 if (sb == null) { 3996 continue; 3997 } 3998 PermissionsState permissionsState = sb.getPermissionsState(); 3999 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4000 userId, flagMask, flagValues); 4001 } 4002 if (changed) { 4003 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4004 } 4005 } 4006 } 4007 4008 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4009 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4010 != PackageManager.PERMISSION_GRANTED 4011 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4012 != PackageManager.PERMISSION_GRANTED) { 4013 throw new SecurityException(message + " requires " 4014 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4015 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4016 } 4017 } 4018 4019 @Override 4020 public boolean shouldShowRequestPermissionRationale(String permissionName, 4021 String packageName, int userId) { 4022 if (UserHandle.getCallingUserId() != userId) { 4023 mContext.enforceCallingPermission( 4024 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4025 "canShowRequestPermissionRationale for user " + userId); 4026 } 4027 4028 final int uid = getPackageUid(packageName, userId); 4029 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4030 return false; 4031 } 4032 4033 if (checkPermission(permissionName, packageName, userId) 4034 == PackageManager.PERMISSION_GRANTED) { 4035 return false; 4036 } 4037 4038 final int flags; 4039 4040 final long identity = Binder.clearCallingIdentity(); 4041 try { 4042 flags = getPermissionFlags(permissionName, 4043 packageName, userId); 4044 } finally { 4045 Binder.restoreCallingIdentity(identity); 4046 } 4047 4048 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4049 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4050 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4051 4052 if ((flags & fixedFlags) != 0) { 4053 return false; 4054 } 4055 4056 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4057 } 4058 4059 @Override 4060 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4061 mContext.enforceCallingOrSelfPermission( 4062 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4063 "addOnPermissionsChangeListener"); 4064 4065 synchronized (mPackages) { 4066 mOnPermissionChangeListeners.addListenerLocked(listener); 4067 } 4068 } 4069 4070 @Override 4071 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4072 synchronized (mPackages) { 4073 mOnPermissionChangeListeners.removeListenerLocked(listener); 4074 } 4075 } 4076 4077 @Override 4078 public boolean isProtectedBroadcast(String actionName) { 4079 synchronized (mPackages) { 4080 if (mProtectedBroadcasts.contains(actionName)) { 4081 return true; 4082 } else if (actionName != null) { 4083 // TODO: remove these terrible hacks 4084 if (actionName.startsWith("android.net.netmon.lingerExpired") 4085 || actionName.startsWith("com.android.server.sip.SipWakeupTimer")) { 4086 return true; 4087 } 4088 } 4089 } 4090 return false; 4091 } 4092 4093 @Override 4094 public int checkSignatures(String pkg1, String pkg2) { 4095 synchronized (mPackages) { 4096 final PackageParser.Package p1 = mPackages.get(pkg1); 4097 final PackageParser.Package p2 = mPackages.get(pkg2); 4098 if (p1 == null || p1.mExtras == null 4099 || p2 == null || p2.mExtras == null) { 4100 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4101 } 4102 return compareSignatures(p1.mSignatures, p2.mSignatures); 4103 } 4104 } 4105 4106 @Override 4107 public int checkUidSignatures(int uid1, int uid2) { 4108 // Map to base uids. 4109 uid1 = UserHandle.getAppId(uid1); 4110 uid2 = UserHandle.getAppId(uid2); 4111 // reader 4112 synchronized (mPackages) { 4113 Signature[] s1; 4114 Signature[] s2; 4115 Object obj = mSettings.getUserIdLPr(uid1); 4116 if (obj != null) { 4117 if (obj instanceof SharedUserSetting) { 4118 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4119 } else if (obj instanceof PackageSetting) { 4120 s1 = ((PackageSetting)obj).signatures.mSignatures; 4121 } else { 4122 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4123 } 4124 } else { 4125 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4126 } 4127 obj = mSettings.getUserIdLPr(uid2); 4128 if (obj != null) { 4129 if (obj instanceof SharedUserSetting) { 4130 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4131 } else if (obj instanceof PackageSetting) { 4132 s2 = ((PackageSetting)obj).signatures.mSignatures; 4133 } else { 4134 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4135 } 4136 } else { 4137 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4138 } 4139 return compareSignatures(s1, s2); 4140 } 4141 } 4142 4143 private void killUid(int appId, int userId, String reason) { 4144 final long identity = Binder.clearCallingIdentity(); 4145 try { 4146 IActivityManager am = ActivityManagerNative.getDefault(); 4147 if (am != null) { 4148 try { 4149 am.killUid(appId, userId, reason); 4150 } catch (RemoteException e) { 4151 /* ignore - same process */ 4152 } 4153 } 4154 } finally { 4155 Binder.restoreCallingIdentity(identity); 4156 } 4157 } 4158 4159 /** 4160 * Compares two sets of signatures. Returns: 4161 * <br /> 4162 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4163 * <br /> 4164 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4165 * <br /> 4166 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4167 * <br /> 4168 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4169 * <br /> 4170 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4171 */ 4172 static int compareSignatures(Signature[] s1, Signature[] s2) { 4173 if (s1 == null) { 4174 return s2 == null 4175 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4176 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4177 } 4178 4179 if (s2 == null) { 4180 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4181 } 4182 4183 if (s1.length != s2.length) { 4184 return PackageManager.SIGNATURE_NO_MATCH; 4185 } 4186 4187 // Since both signature sets are of size 1, we can compare without HashSets. 4188 if (s1.length == 1) { 4189 return s1[0].equals(s2[0]) ? 4190 PackageManager.SIGNATURE_MATCH : 4191 PackageManager.SIGNATURE_NO_MATCH; 4192 } 4193 4194 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4195 for (Signature sig : s1) { 4196 set1.add(sig); 4197 } 4198 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4199 for (Signature sig : s2) { 4200 set2.add(sig); 4201 } 4202 // Make sure s2 contains all signatures in s1. 4203 if (set1.equals(set2)) { 4204 return PackageManager.SIGNATURE_MATCH; 4205 } 4206 return PackageManager.SIGNATURE_NO_MATCH; 4207 } 4208 4209 /** 4210 * If the database version for this type of package (internal storage or 4211 * external storage) is less than the version where package signatures 4212 * were updated, return true. 4213 */ 4214 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4215 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4216 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4217 } 4218 4219 /** 4220 * Used for backward compatibility to make sure any packages with 4221 * certificate chains get upgraded to the new style. {@code existingSigs} 4222 * will be in the old format (since they were stored on disk from before the 4223 * system upgrade) and {@code scannedSigs} will be in the newer format. 4224 */ 4225 private int compareSignaturesCompat(PackageSignatures existingSigs, 4226 PackageParser.Package scannedPkg) { 4227 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4228 return PackageManager.SIGNATURE_NO_MATCH; 4229 } 4230 4231 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4232 for (Signature sig : existingSigs.mSignatures) { 4233 existingSet.add(sig); 4234 } 4235 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4236 for (Signature sig : scannedPkg.mSignatures) { 4237 try { 4238 Signature[] chainSignatures = sig.getChainSignatures(); 4239 for (Signature chainSig : chainSignatures) { 4240 scannedCompatSet.add(chainSig); 4241 } 4242 } catch (CertificateEncodingException e) { 4243 scannedCompatSet.add(sig); 4244 } 4245 } 4246 /* 4247 * Make sure the expanded scanned set contains all signatures in the 4248 * existing one. 4249 */ 4250 if (scannedCompatSet.equals(existingSet)) { 4251 // Migrate the old signatures to the new scheme. 4252 existingSigs.assignSignatures(scannedPkg.mSignatures); 4253 // The new KeySets will be re-added later in the scanning process. 4254 synchronized (mPackages) { 4255 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4256 } 4257 return PackageManager.SIGNATURE_MATCH; 4258 } 4259 return PackageManager.SIGNATURE_NO_MATCH; 4260 } 4261 4262 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4263 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4264 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4265 } 4266 4267 private int compareSignaturesRecover(PackageSignatures existingSigs, 4268 PackageParser.Package scannedPkg) { 4269 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4270 return PackageManager.SIGNATURE_NO_MATCH; 4271 } 4272 4273 String msg = null; 4274 try { 4275 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4276 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4277 + scannedPkg.packageName); 4278 return PackageManager.SIGNATURE_MATCH; 4279 } 4280 } catch (CertificateException e) { 4281 msg = e.getMessage(); 4282 } 4283 4284 logCriticalInfo(Log.INFO, 4285 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4286 return PackageManager.SIGNATURE_NO_MATCH; 4287 } 4288 4289 @Override 4290 public String[] getPackagesForUid(int uid) { 4291 uid = UserHandle.getAppId(uid); 4292 // reader 4293 synchronized (mPackages) { 4294 Object obj = mSettings.getUserIdLPr(uid); 4295 if (obj instanceof SharedUserSetting) { 4296 final SharedUserSetting sus = (SharedUserSetting) obj; 4297 final int N = sus.packages.size(); 4298 final String[] res = new String[N]; 4299 final Iterator<PackageSetting> it = sus.packages.iterator(); 4300 int i = 0; 4301 while (it.hasNext()) { 4302 res[i++] = it.next().name; 4303 } 4304 return res; 4305 } else if (obj instanceof PackageSetting) { 4306 final PackageSetting ps = (PackageSetting) obj; 4307 return new String[] { ps.name }; 4308 } 4309 } 4310 return null; 4311 } 4312 4313 @Override 4314 public String getNameForUid(int uid) { 4315 // reader 4316 synchronized (mPackages) { 4317 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4318 if (obj instanceof SharedUserSetting) { 4319 final SharedUserSetting sus = (SharedUserSetting) obj; 4320 return sus.name + ":" + sus.userId; 4321 } else if (obj instanceof PackageSetting) { 4322 final PackageSetting ps = (PackageSetting) obj; 4323 return ps.name; 4324 } 4325 } 4326 return null; 4327 } 4328 4329 @Override 4330 public int getUidForSharedUser(String sharedUserName) { 4331 if(sharedUserName == null) { 4332 return -1; 4333 } 4334 // reader 4335 synchronized (mPackages) { 4336 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4337 if (suid == null) { 4338 return -1; 4339 } 4340 return suid.userId; 4341 } 4342 } 4343 4344 @Override 4345 public int getFlagsForUid(int uid) { 4346 synchronized (mPackages) { 4347 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4348 if (obj instanceof SharedUserSetting) { 4349 final SharedUserSetting sus = (SharedUserSetting) obj; 4350 return sus.pkgFlags; 4351 } else if (obj instanceof PackageSetting) { 4352 final PackageSetting ps = (PackageSetting) obj; 4353 return ps.pkgFlags; 4354 } 4355 } 4356 return 0; 4357 } 4358 4359 @Override 4360 public int getPrivateFlagsForUid(int uid) { 4361 synchronized (mPackages) { 4362 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4363 if (obj instanceof SharedUserSetting) { 4364 final SharedUserSetting sus = (SharedUserSetting) obj; 4365 return sus.pkgPrivateFlags; 4366 } else if (obj instanceof PackageSetting) { 4367 final PackageSetting ps = (PackageSetting) obj; 4368 return ps.pkgPrivateFlags; 4369 } 4370 } 4371 return 0; 4372 } 4373 4374 @Override 4375 public boolean isUidPrivileged(int uid) { 4376 uid = UserHandle.getAppId(uid); 4377 // reader 4378 synchronized (mPackages) { 4379 Object obj = mSettings.getUserIdLPr(uid); 4380 if (obj instanceof SharedUserSetting) { 4381 final SharedUserSetting sus = (SharedUserSetting) obj; 4382 final Iterator<PackageSetting> it = sus.packages.iterator(); 4383 while (it.hasNext()) { 4384 if (it.next().isPrivileged()) { 4385 return true; 4386 } 4387 } 4388 } else if (obj instanceof PackageSetting) { 4389 final PackageSetting ps = (PackageSetting) obj; 4390 return ps.isPrivileged(); 4391 } 4392 } 4393 return false; 4394 } 4395 4396 @Override 4397 public String[] getAppOpPermissionPackages(String permissionName) { 4398 synchronized (mPackages) { 4399 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4400 if (pkgs == null) { 4401 return null; 4402 } 4403 return pkgs.toArray(new String[pkgs.size()]); 4404 } 4405 } 4406 4407 @Override 4408 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4409 int flags, int userId) { 4410 if (!sUserManager.exists(userId)) return null; 4411 flags = updateFlagsForResolve(flags, userId, intent); 4412 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4413 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4414 final ResolveInfo bestChoice = 4415 chooseBestActivity(intent, resolvedType, flags, query, userId); 4416 4417 if (isEphemeralAllowed(intent, query, userId)) { 4418 final EphemeralResolveInfo ai = 4419 getEphemeralResolveInfo(intent, resolvedType, userId); 4420 if (ai != null) { 4421 if (DEBUG_EPHEMERAL) { 4422 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4423 } 4424 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4425 bestChoice.ephemeralResolveInfo = ai; 4426 } 4427 } 4428 return bestChoice; 4429 } 4430 4431 @Override 4432 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4433 IntentFilter filter, int match, ComponentName activity) { 4434 final int userId = UserHandle.getCallingUserId(); 4435 if (DEBUG_PREFERRED) { 4436 Log.v(TAG, "setLastChosenActivity intent=" + intent 4437 + " resolvedType=" + resolvedType 4438 + " flags=" + flags 4439 + " filter=" + filter 4440 + " match=" + match 4441 + " activity=" + activity); 4442 filter.dump(new PrintStreamPrinter(System.out), " "); 4443 } 4444 intent.setComponent(null); 4445 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4446 // Find any earlier preferred or last chosen entries and nuke them 4447 findPreferredActivity(intent, resolvedType, 4448 flags, query, 0, false, true, false, userId); 4449 // Add the new activity as the last chosen for this filter 4450 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4451 "Setting last chosen"); 4452 } 4453 4454 @Override 4455 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4456 final int userId = UserHandle.getCallingUserId(); 4457 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4458 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4459 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4460 false, false, false, userId); 4461 } 4462 4463 4464 private boolean isEphemeralAllowed( 4465 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4466 // Short circuit and return early if possible. 4467 final int callingUser = UserHandle.getCallingUserId(); 4468 if (callingUser != UserHandle.USER_SYSTEM) { 4469 return false; 4470 } 4471 if (mEphemeralResolverConnection == null) { 4472 return false; 4473 } 4474 if (intent.getComponent() != null) { 4475 return false; 4476 } 4477 if (intent.getPackage() != null) { 4478 return false; 4479 } 4480 final boolean isWebUri = hasWebURI(intent); 4481 if (!isWebUri) { 4482 return false; 4483 } 4484 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4485 synchronized (mPackages) { 4486 final int count = resolvedActivites.size(); 4487 for (int n = 0; n < count; n++) { 4488 ResolveInfo info = resolvedActivites.get(n); 4489 String packageName = info.activityInfo.packageName; 4490 PackageSetting ps = mSettings.mPackages.get(packageName); 4491 if (ps != null) { 4492 // Try to get the status from User settings first 4493 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4494 int status = (int) (packedStatus >> 32); 4495 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4496 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4497 if (DEBUG_EPHEMERAL) { 4498 Slog.v(TAG, "DENY ephemeral apps;" 4499 + " pkg: " + packageName + ", status: " + status); 4500 } 4501 return false; 4502 } 4503 } 4504 } 4505 } 4506 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4507 return true; 4508 } 4509 4510 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4511 int userId) { 4512 MessageDigest digest = null; 4513 try { 4514 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4515 } catch (NoSuchAlgorithmException e) { 4516 // If we can't create a digest, ignore ephemeral apps. 4517 return null; 4518 } 4519 4520 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4521 final byte[] digestBytes = digest.digest(hostBytes); 4522 int shaPrefix = 4523 digestBytes[0] << 24 4524 | digestBytes[1] << 16 4525 | digestBytes[2] << 8 4526 | digestBytes[3] << 0; 4527 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4528 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4529 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4530 // No hash prefix match; there are no ephemeral apps for this domain. 4531 return null; 4532 } 4533 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4534 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4535 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4536 continue; 4537 } 4538 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4539 // No filters; this should never happen. 4540 if (filters.isEmpty()) { 4541 continue; 4542 } 4543 // We have a domain match; resolve the filters to see if anything matches. 4544 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4545 for (int j = filters.size() - 1; j >= 0; --j) { 4546 final EphemeralResolveIntentInfo intentInfo = 4547 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4548 ephemeralResolver.addFilter(intentInfo); 4549 } 4550 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4551 intent, resolvedType, false /*defaultOnly*/, userId); 4552 if (!matchedResolveInfoList.isEmpty()) { 4553 return matchedResolveInfoList.get(0); 4554 } 4555 } 4556 // Hash or filter mis-match; no ephemeral apps for this domain. 4557 return null; 4558 } 4559 4560 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4561 int flags, List<ResolveInfo> query, int userId) { 4562 if (query != null) { 4563 final int N = query.size(); 4564 if (N == 1) { 4565 return query.get(0); 4566 } else if (N > 1) { 4567 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4568 // If there is more than one activity with the same priority, 4569 // then let the user decide between them. 4570 ResolveInfo r0 = query.get(0); 4571 ResolveInfo r1 = query.get(1); 4572 if (DEBUG_INTENT_MATCHING || debug) { 4573 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4574 + r1.activityInfo.name + "=" + r1.priority); 4575 } 4576 // If the first activity has a higher priority, or a different 4577 // default, then it is always desirable to pick it. 4578 if (r0.priority != r1.priority 4579 || r0.preferredOrder != r1.preferredOrder 4580 || r0.isDefault != r1.isDefault) { 4581 return query.get(0); 4582 } 4583 // If we have saved a preference for a preferred activity for 4584 // this Intent, use that. 4585 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4586 flags, query, r0.priority, true, false, debug, userId); 4587 if (ri != null) { 4588 return ri; 4589 } 4590 ri = new ResolveInfo(mResolveInfo); 4591 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4592 ri.activityInfo.applicationInfo = new ApplicationInfo( 4593 ri.activityInfo.applicationInfo); 4594 if (userId != 0) { 4595 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4596 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4597 } 4598 // Make sure that the resolver is displayable in car mode 4599 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4600 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4601 return ri; 4602 } 4603 } 4604 return null; 4605 } 4606 4607 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4608 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4609 final int N = query.size(); 4610 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4611 .get(userId); 4612 // Get the list of persistent preferred activities that handle the intent 4613 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4614 List<PersistentPreferredActivity> pprefs = ppir != null 4615 ? ppir.queryIntent(intent, resolvedType, 4616 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4617 : null; 4618 if (pprefs != null && pprefs.size() > 0) { 4619 final int M = pprefs.size(); 4620 for (int i=0; i<M; i++) { 4621 final PersistentPreferredActivity ppa = pprefs.get(i); 4622 if (DEBUG_PREFERRED || debug) { 4623 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4624 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4625 + "\n component=" + ppa.mComponent); 4626 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4627 } 4628 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4629 flags | MATCH_DISABLED_COMPONENTS, userId); 4630 if (DEBUG_PREFERRED || debug) { 4631 Slog.v(TAG, "Found persistent preferred activity:"); 4632 if (ai != null) { 4633 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4634 } else { 4635 Slog.v(TAG, " null"); 4636 } 4637 } 4638 if (ai == null) { 4639 // This previously registered persistent preferred activity 4640 // component is no longer known. Ignore it and do NOT remove it. 4641 continue; 4642 } 4643 for (int j=0; j<N; j++) { 4644 final ResolveInfo ri = query.get(j); 4645 if (!ri.activityInfo.applicationInfo.packageName 4646 .equals(ai.applicationInfo.packageName)) { 4647 continue; 4648 } 4649 if (!ri.activityInfo.name.equals(ai.name)) { 4650 continue; 4651 } 4652 // Found a persistent preference that can handle the intent. 4653 if (DEBUG_PREFERRED || debug) { 4654 Slog.v(TAG, "Returning persistent preferred activity: " + 4655 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4656 } 4657 return ri; 4658 } 4659 } 4660 } 4661 return null; 4662 } 4663 4664 // TODO: handle preferred activities missing while user has amnesia 4665 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4666 List<ResolveInfo> query, int priority, boolean always, 4667 boolean removeMatches, boolean debug, int userId) { 4668 if (!sUserManager.exists(userId)) return null; 4669 flags = updateFlagsForResolve(flags, userId, intent); 4670 // writer 4671 synchronized (mPackages) { 4672 if (intent.getSelector() != null) { 4673 intent = intent.getSelector(); 4674 } 4675 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4676 4677 // Try to find a matching persistent preferred activity. 4678 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4679 debug, userId); 4680 4681 // If a persistent preferred activity matched, use it. 4682 if (pri != null) { 4683 return pri; 4684 } 4685 4686 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4687 // Get the list of preferred activities that handle the intent 4688 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4689 List<PreferredActivity> prefs = pir != null 4690 ? pir.queryIntent(intent, resolvedType, 4691 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4692 : null; 4693 if (prefs != null && prefs.size() > 0) { 4694 boolean changed = false; 4695 try { 4696 // First figure out how good the original match set is. 4697 // We will only allow preferred activities that came 4698 // from the same match quality. 4699 int match = 0; 4700 4701 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4702 4703 final int N = query.size(); 4704 for (int j=0; j<N; j++) { 4705 final ResolveInfo ri = query.get(j); 4706 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4707 + ": 0x" + Integer.toHexString(match)); 4708 if (ri.match > match) { 4709 match = ri.match; 4710 } 4711 } 4712 4713 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4714 + Integer.toHexString(match)); 4715 4716 match &= IntentFilter.MATCH_CATEGORY_MASK; 4717 final int M = prefs.size(); 4718 for (int i=0; i<M; i++) { 4719 final PreferredActivity pa = prefs.get(i); 4720 if (DEBUG_PREFERRED || debug) { 4721 Slog.v(TAG, "Checking PreferredActivity ds=" 4722 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4723 + "\n component=" + pa.mPref.mComponent); 4724 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4725 } 4726 if (pa.mPref.mMatch != match) { 4727 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4728 + Integer.toHexString(pa.mPref.mMatch)); 4729 continue; 4730 } 4731 // If it's not an "always" type preferred activity and that's what we're 4732 // looking for, skip it. 4733 if (always && !pa.mPref.mAlways) { 4734 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4735 continue; 4736 } 4737 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4738 flags | MATCH_DISABLED_COMPONENTS, userId); 4739 if (DEBUG_PREFERRED || debug) { 4740 Slog.v(TAG, "Found preferred activity:"); 4741 if (ai != null) { 4742 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4743 } else { 4744 Slog.v(TAG, " null"); 4745 } 4746 } 4747 if (ai == null) { 4748 // This previously registered preferred activity 4749 // component is no longer known. Most likely an update 4750 // to the app was installed and in the new version this 4751 // component no longer exists. Clean it up by removing 4752 // it from the preferred activities list, and skip it. 4753 Slog.w(TAG, "Removing dangling preferred activity: " 4754 + pa.mPref.mComponent); 4755 pir.removeFilter(pa); 4756 changed = true; 4757 continue; 4758 } 4759 for (int j=0; j<N; j++) { 4760 final ResolveInfo ri = query.get(j); 4761 if (!ri.activityInfo.applicationInfo.packageName 4762 .equals(ai.applicationInfo.packageName)) { 4763 continue; 4764 } 4765 if (!ri.activityInfo.name.equals(ai.name)) { 4766 continue; 4767 } 4768 4769 if (removeMatches) { 4770 pir.removeFilter(pa); 4771 changed = true; 4772 if (DEBUG_PREFERRED) { 4773 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4774 } 4775 break; 4776 } 4777 4778 // Okay we found a previously set preferred or last chosen app. 4779 // If the result set is different from when this 4780 // was created, we need to clear it and re-ask the 4781 // user their preference, if we're looking for an "always" type entry. 4782 if (always && !pa.mPref.sameSet(query)) { 4783 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4784 + intent + " type " + resolvedType); 4785 if (DEBUG_PREFERRED) { 4786 Slog.v(TAG, "Removing preferred activity since set changed " 4787 + pa.mPref.mComponent); 4788 } 4789 pir.removeFilter(pa); 4790 // Re-add the filter as a "last chosen" entry (!always) 4791 PreferredActivity lastChosen = new PreferredActivity( 4792 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4793 pir.addFilter(lastChosen); 4794 changed = true; 4795 return null; 4796 } 4797 4798 // Yay! Either the set matched or we're looking for the last chosen 4799 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4800 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4801 return ri; 4802 } 4803 } 4804 } finally { 4805 if (changed) { 4806 if (DEBUG_PREFERRED) { 4807 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4808 } 4809 scheduleWritePackageRestrictionsLocked(userId); 4810 } 4811 } 4812 } 4813 } 4814 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4815 return null; 4816 } 4817 4818 /* 4819 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4820 */ 4821 @Override 4822 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4823 int targetUserId) { 4824 mContext.enforceCallingOrSelfPermission( 4825 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4826 List<CrossProfileIntentFilter> matches = 4827 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4828 if (matches != null) { 4829 int size = matches.size(); 4830 for (int i = 0; i < size; i++) { 4831 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4832 } 4833 } 4834 if (hasWebURI(intent)) { 4835 // cross-profile app linking works only towards the parent. 4836 final UserInfo parent = getProfileParent(sourceUserId); 4837 synchronized(mPackages) { 4838 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4839 intent, resolvedType, 0, sourceUserId, parent.id); 4840 return xpDomainInfo != null; 4841 } 4842 } 4843 return false; 4844 } 4845 4846 private UserInfo getProfileParent(int userId) { 4847 final long identity = Binder.clearCallingIdentity(); 4848 try { 4849 return sUserManager.getProfileParent(userId); 4850 } finally { 4851 Binder.restoreCallingIdentity(identity); 4852 } 4853 } 4854 4855 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4856 String resolvedType, int userId) { 4857 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4858 if (resolver != null) { 4859 return resolver.queryIntent(intent, resolvedType, false, userId); 4860 } 4861 return null; 4862 } 4863 4864 @Override 4865 public List<ResolveInfo> queryIntentActivities(Intent intent, 4866 String resolvedType, int flags, int userId) { 4867 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4868 flags = updateFlagsForResolve(flags, userId, intent); 4869 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4870 ComponentName comp = intent.getComponent(); 4871 if (comp == null) { 4872 if (intent.getSelector() != null) { 4873 intent = intent.getSelector(); 4874 comp = intent.getComponent(); 4875 } 4876 } 4877 4878 if (comp != null) { 4879 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4880 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4881 if (ai != null) { 4882 final ResolveInfo ri = new ResolveInfo(); 4883 ri.activityInfo = ai; 4884 list.add(ri); 4885 } 4886 return list; 4887 } 4888 4889 // reader 4890 synchronized (mPackages) { 4891 final String pkgName = intent.getPackage(); 4892 if (pkgName == null) { 4893 List<CrossProfileIntentFilter> matchingFilters = 4894 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4895 // Check for results that need to skip the current profile. 4896 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4897 resolvedType, flags, userId); 4898 if (xpResolveInfo != null) { 4899 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4900 result.add(xpResolveInfo); 4901 return filterIfNotSystemUser(result, userId); 4902 } 4903 4904 // Check for results in the current profile. 4905 List<ResolveInfo> result = mActivities.queryIntent( 4906 intent, resolvedType, flags, userId); 4907 result = filterIfNotSystemUser(result, userId); 4908 4909 // Check for cross profile results. 4910 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 4911 xpResolveInfo = queryCrossProfileIntents( 4912 matchingFilters, intent, resolvedType, flags, userId, 4913 hasNonNegativePriorityResult); 4914 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4915 boolean isVisibleToUser = filterIfNotSystemUser( 4916 Collections.singletonList(xpResolveInfo), userId).size() > 0; 4917 if (isVisibleToUser) { 4918 result.add(xpResolveInfo); 4919 Collections.sort(result, mResolvePrioritySorter); 4920 } 4921 } 4922 if (hasWebURI(intent)) { 4923 CrossProfileDomainInfo xpDomainInfo = null; 4924 final UserInfo parent = getProfileParent(userId); 4925 if (parent != null) { 4926 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4927 flags, userId, parent.id); 4928 } 4929 if (xpDomainInfo != null) { 4930 if (xpResolveInfo != null) { 4931 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4932 // in the result. 4933 result.remove(xpResolveInfo); 4934 } 4935 if (result.size() == 0) { 4936 result.add(xpDomainInfo.resolveInfo); 4937 return result; 4938 } 4939 } else if (result.size() <= 1) { 4940 return result; 4941 } 4942 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4943 xpDomainInfo, userId); 4944 Collections.sort(result, mResolvePrioritySorter); 4945 } 4946 return result; 4947 } 4948 final PackageParser.Package pkg = mPackages.get(pkgName); 4949 if (pkg != null) { 4950 return filterIfNotSystemUser( 4951 mActivities.queryIntentForPackage( 4952 intent, resolvedType, flags, pkg.activities, userId), 4953 userId); 4954 } 4955 return new ArrayList<ResolveInfo>(); 4956 } 4957 } 4958 4959 private static class CrossProfileDomainInfo { 4960 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4961 ResolveInfo resolveInfo; 4962 /* Best domain verification status of the activities found in the other profile */ 4963 int bestDomainVerificationStatus; 4964 } 4965 4966 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4967 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4968 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4969 sourceUserId)) { 4970 return null; 4971 } 4972 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4973 resolvedType, flags, parentUserId); 4974 4975 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4976 return null; 4977 } 4978 CrossProfileDomainInfo result = null; 4979 int size = resultTargetUser.size(); 4980 for (int i = 0; i < size; i++) { 4981 ResolveInfo riTargetUser = resultTargetUser.get(i); 4982 // Intent filter verification is only for filters that specify a host. So don't return 4983 // those that handle all web uris. 4984 if (riTargetUser.handleAllWebDataURI) { 4985 continue; 4986 } 4987 String packageName = riTargetUser.activityInfo.packageName; 4988 PackageSetting ps = mSettings.mPackages.get(packageName); 4989 if (ps == null) { 4990 continue; 4991 } 4992 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 4993 int status = (int)(verificationState >> 32); 4994 if (result == null) { 4995 result = new CrossProfileDomainInfo(); 4996 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 4997 sourceUserId, parentUserId); 4998 result.bestDomainVerificationStatus = status; 4999 } else { 5000 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5001 result.bestDomainVerificationStatus); 5002 } 5003 } 5004 // Don't consider matches with status NEVER across profiles. 5005 if (result != null && result.bestDomainVerificationStatus 5006 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5007 return null; 5008 } 5009 return result; 5010 } 5011 5012 /** 5013 * Verification statuses are ordered from the worse to the best, except for 5014 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5015 */ 5016 private int bestDomainVerificationStatus(int status1, int status2) { 5017 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5018 return status2; 5019 } 5020 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5021 return status1; 5022 } 5023 return (int) MathUtils.max(status1, status2); 5024 } 5025 5026 private boolean isUserEnabled(int userId) { 5027 long callingId = Binder.clearCallingIdentity(); 5028 try { 5029 UserInfo userInfo = sUserManager.getUserInfo(userId); 5030 return userInfo != null && userInfo.isEnabled(); 5031 } finally { 5032 Binder.restoreCallingIdentity(callingId); 5033 } 5034 } 5035 5036 /** 5037 * Filter out activities with systemUserOnly flag set, when current user is not System. 5038 * 5039 * @return filtered list 5040 */ 5041 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5042 if (userId == UserHandle.USER_SYSTEM) { 5043 return resolveInfos; 5044 } 5045 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5046 ResolveInfo info = resolveInfos.get(i); 5047 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5048 resolveInfos.remove(i); 5049 } 5050 } 5051 return resolveInfos; 5052 } 5053 5054 /** 5055 * @param resolveInfos list of resolve infos in descending priority order 5056 * @return if the list contains a resolve info with non-negative priority 5057 */ 5058 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5059 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5060 } 5061 5062 private static boolean hasWebURI(Intent intent) { 5063 if (intent.getData() == null) { 5064 return false; 5065 } 5066 final String scheme = intent.getScheme(); 5067 if (TextUtils.isEmpty(scheme)) { 5068 return false; 5069 } 5070 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5071 } 5072 5073 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5074 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5075 int userId) { 5076 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5077 5078 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5079 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5080 candidates.size()); 5081 } 5082 5083 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5084 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5085 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5086 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5087 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5088 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5089 5090 synchronized (mPackages) { 5091 final int count = candidates.size(); 5092 // First, try to use linked apps. Partition the candidates into four lists: 5093 // one for the final results, one for the "do not use ever", one for "undefined status" 5094 // and finally one for "browser app type". 5095 for (int n=0; n<count; n++) { 5096 ResolveInfo info = candidates.get(n); 5097 String packageName = info.activityInfo.packageName; 5098 PackageSetting ps = mSettings.mPackages.get(packageName); 5099 if (ps != null) { 5100 // Add to the special match all list (Browser use case) 5101 if (info.handleAllWebDataURI) { 5102 matchAllList.add(info); 5103 continue; 5104 } 5105 // Try to get the status from User settings first 5106 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5107 int status = (int)(packedStatus >> 32); 5108 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5109 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5110 if (DEBUG_DOMAIN_VERIFICATION) { 5111 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5112 + " : linkgen=" + linkGeneration); 5113 } 5114 // Use link-enabled generation as preferredOrder, i.e. 5115 // prefer newly-enabled over earlier-enabled. 5116 info.preferredOrder = linkGeneration; 5117 alwaysList.add(info); 5118 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5119 if (DEBUG_DOMAIN_VERIFICATION) { 5120 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5121 } 5122 neverList.add(info); 5123 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5124 if (DEBUG_DOMAIN_VERIFICATION) { 5125 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5126 } 5127 alwaysAskList.add(info); 5128 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5129 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5130 if (DEBUG_DOMAIN_VERIFICATION) { 5131 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5132 } 5133 undefinedList.add(info); 5134 } 5135 } 5136 } 5137 5138 // We'll want to include browser possibilities in a few cases 5139 boolean includeBrowser = false; 5140 5141 // First try to add the "always" resolution(s) for the current user, if any 5142 if (alwaysList.size() > 0) { 5143 result.addAll(alwaysList); 5144 } else { 5145 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5146 result.addAll(undefinedList); 5147 // Maybe add one for the other profile. 5148 if (xpDomainInfo != null && ( 5149 xpDomainInfo.bestDomainVerificationStatus 5150 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5151 result.add(xpDomainInfo.resolveInfo); 5152 } 5153 includeBrowser = true; 5154 } 5155 5156 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5157 // If there were 'always' entries their preferred order has been set, so we also 5158 // back that off to make the alternatives equivalent 5159 if (alwaysAskList.size() > 0) { 5160 for (ResolveInfo i : result) { 5161 i.preferredOrder = 0; 5162 } 5163 result.addAll(alwaysAskList); 5164 includeBrowser = true; 5165 } 5166 5167 if (includeBrowser) { 5168 // Also add browsers (all of them or only the default one) 5169 if (DEBUG_DOMAIN_VERIFICATION) { 5170 Slog.v(TAG, " ...including browsers in candidate set"); 5171 } 5172 if ((matchFlags & MATCH_ALL) != 0) { 5173 result.addAll(matchAllList); 5174 } else { 5175 // Browser/generic handling case. If there's a default browser, go straight 5176 // to that (but only if there is no other higher-priority match). 5177 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5178 int maxMatchPrio = 0; 5179 ResolveInfo defaultBrowserMatch = null; 5180 final int numCandidates = matchAllList.size(); 5181 for (int n = 0; n < numCandidates; n++) { 5182 ResolveInfo info = matchAllList.get(n); 5183 // track the highest overall match priority... 5184 if (info.priority > maxMatchPrio) { 5185 maxMatchPrio = info.priority; 5186 } 5187 // ...and the highest-priority default browser match 5188 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5189 if (defaultBrowserMatch == null 5190 || (defaultBrowserMatch.priority < info.priority)) { 5191 if (debug) { 5192 Slog.v(TAG, "Considering default browser match " + info); 5193 } 5194 defaultBrowserMatch = info; 5195 } 5196 } 5197 } 5198 if (defaultBrowserMatch != null 5199 && defaultBrowserMatch.priority >= maxMatchPrio 5200 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5201 { 5202 if (debug) { 5203 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5204 } 5205 result.add(defaultBrowserMatch); 5206 } else { 5207 result.addAll(matchAllList); 5208 } 5209 } 5210 5211 // If there is nothing selected, add all candidates and remove the ones that the user 5212 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5213 if (result.size() == 0) { 5214 result.addAll(candidates); 5215 result.removeAll(neverList); 5216 } 5217 } 5218 } 5219 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5220 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5221 result.size()); 5222 for (ResolveInfo info : result) { 5223 Slog.v(TAG, " + " + info.activityInfo); 5224 } 5225 } 5226 return result; 5227 } 5228 5229 // Returns a packed value as a long: 5230 // 5231 // high 'int'-sized word: link status: undefined/ask/never/always. 5232 // low 'int'-sized word: relative priority among 'always' results. 5233 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5234 long result = ps.getDomainVerificationStatusForUser(userId); 5235 // if none available, get the master status 5236 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5237 if (ps.getIntentFilterVerificationInfo() != null) { 5238 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5239 } 5240 } 5241 return result; 5242 } 5243 5244 private ResolveInfo querySkipCurrentProfileIntents( 5245 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5246 int flags, int sourceUserId) { 5247 if (matchingFilters != null) { 5248 int size = matchingFilters.size(); 5249 for (int i = 0; i < size; i ++) { 5250 CrossProfileIntentFilter filter = matchingFilters.get(i); 5251 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5252 // Checking if there are activities in the target user that can handle the 5253 // intent. 5254 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5255 resolvedType, flags, sourceUserId); 5256 if (resolveInfo != null) { 5257 return resolveInfo; 5258 } 5259 } 5260 } 5261 } 5262 return null; 5263 } 5264 5265 // Return matching ResolveInfo in target user if any. 5266 private ResolveInfo queryCrossProfileIntents( 5267 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5268 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5269 if (matchingFilters != null) { 5270 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5271 // match the same intent. For performance reasons, it is better not to 5272 // run queryIntent twice for the same userId 5273 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5274 int size = matchingFilters.size(); 5275 for (int i = 0; i < size; i++) { 5276 CrossProfileIntentFilter filter = matchingFilters.get(i); 5277 int targetUserId = filter.getTargetUserId(); 5278 boolean skipCurrentProfile = 5279 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5280 boolean skipCurrentProfileIfNoMatchFound = 5281 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5282 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5283 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5284 // Checking if there are activities in the target user that can handle the 5285 // intent. 5286 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5287 resolvedType, flags, sourceUserId); 5288 if (resolveInfo != null) return resolveInfo; 5289 alreadyTriedUserIds.put(targetUserId, true); 5290 } 5291 } 5292 } 5293 return null; 5294 } 5295 5296 /** 5297 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5298 * will forward the intent to the filter's target user. 5299 * Otherwise, returns null. 5300 */ 5301 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5302 String resolvedType, int flags, int sourceUserId) { 5303 int targetUserId = filter.getTargetUserId(); 5304 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5305 resolvedType, flags, targetUserId); 5306 if (resultTargetUser != null && !resultTargetUser.isEmpty() 5307 && isUserEnabled(targetUserId)) { 5308 return createForwardingResolveInfoUnchecked(filter, sourceUserId, targetUserId); 5309 } 5310 return null; 5311 } 5312 5313 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5314 int sourceUserId, int targetUserId) { 5315 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5316 long ident = Binder.clearCallingIdentity(); 5317 boolean targetIsProfile; 5318 try { 5319 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5320 } finally { 5321 Binder.restoreCallingIdentity(ident); 5322 } 5323 String className; 5324 if (targetIsProfile) { 5325 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5326 } else { 5327 className = FORWARD_INTENT_TO_PARENT; 5328 } 5329 ComponentName forwardingActivityComponentName = new ComponentName( 5330 mAndroidApplication.packageName, className); 5331 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5332 sourceUserId); 5333 if (!targetIsProfile) { 5334 forwardingActivityInfo.showUserIcon = targetUserId; 5335 forwardingResolveInfo.noResourceId = true; 5336 } 5337 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5338 forwardingResolveInfo.priority = 0; 5339 forwardingResolveInfo.preferredOrder = 0; 5340 forwardingResolveInfo.match = 0; 5341 forwardingResolveInfo.isDefault = true; 5342 forwardingResolveInfo.filter = filter; 5343 forwardingResolveInfo.targetUserId = targetUserId; 5344 return forwardingResolveInfo; 5345 } 5346 5347 @Override 5348 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5349 Intent[] specifics, String[] specificTypes, Intent intent, 5350 String resolvedType, int flags, int userId) { 5351 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5352 flags = updateFlagsForResolve(flags, userId, intent); 5353 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5354 false, "query intent activity options"); 5355 final String resultsAction = intent.getAction(); 5356 5357 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5358 | PackageManager.GET_RESOLVED_FILTER, userId); 5359 5360 if (DEBUG_INTENT_MATCHING) { 5361 Log.v(TAG, "Query " + intent + ": " + results); 5362 } 5363 5364 int specificsPos = 0; 5365 int N; 5366 5367 // todo: note that the algorithm used here is O(N^2). This 5368 // isn't a problem in our current environment, but if we start running 5369 // into situations where we have more than 5 or 10 matches then this 5370 // should probably be changed to something smarter... 5371 5372 // First we go through and resolve each of the specific items 5373 // that were supplied, taking care of removing any corresponding 5374 // duplicate items in the generic resolve list. 5375 if (specifics != null) { 5376 for (int i=0; i<specifics.length; i++) { 5377 final Intent sintent = specifics[i]; 5378 if (sintent == null) { 5379 continue; 5380 } 5381 5382 if (DEBUG_INTENT_MATCHING) { 5383 Log.v(TAG, "Specific #" + i + ": " + sintent); 5384 } 5385 5386 String action = sintent.getAction(); 5387 if (resultsAction != null && resultsAction.equals(action)) { 5388 // If this action was explicitly requested, then don't 5389 // remove things that have it. 5390 action = null; 5391 } 5392 5393 ResolveInfo ri = null; 5394 ActivityInfo ai = null; 5395 5396 ComponentName comp = sintent.getComponent(); 5397 if (comp == null) { 5398 ri = resolveIntent( 5399 sintent, 5400 specificTypes != null ? specificTypes[i] : null, 5401 flags, userId); 5402 if (ri == null) { 5403 continue; 5404 } 5405 if (ri == mResolveInfo) { 5406 // ACK! Must do something better with this. 5407 } 5408 ai = ri.activityInfo; 5409 comp = new ComponentName(ai.applicationInfo.packageName, 5410 ai.name); 5411 } else { 5412 ai = getActivityInfo(comp, flags, userId); 5413 if (ai == null) { 5414 continue; 5415 } 5416 } 5417 5418 // Look for any generic query activities that are duplicates 5419 // of this specific one, and remove them from the results. 5420 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5421 N = results.size(); 5422 int j; 5423 for (j=specificsPos; j<N; j++) { 5424 ResolveInfo sri = results.get(j); 5425 if ((sri.activityInfo.name.equals(comp.getClassName()) 5426 && sri.activityInfo.applicationInfo.packageName.equals( 5427 comp.getPackageName())) 5428 || (action != null && sri.filter.matchAction(action))) { 5429 results.remove(j); 5430 if (DEBUG_INTENT_MATCHING) Log.v( 5431 TAG, "Removing duplicate item from " + j 5432 + " due to specific " + specificsPos); 5433 if (ri == null) { 5434 ri = sri; 5435 } 5436 j--; 5437 N--; 5438 } 5439 } 5440 5441 // Add this specific item to its proper place. 5442 if (ri == null) { 5443 ri = new ResolveInfo(); 5444 ri.activityInfo = ai; 5445 } 5446 results.add(specificsPos, ri); 5447 ri.specificIndex = i; 5448 specificsPos++; 5449 } 5450 } 5451 5452 // Now we go through the remaining generic results and remove any 5453 // duplicate actions that are found here. 5454 N = results.size(); 5455 for (int i=specificsPos; i<N-1; i++) { 5456 final ResolveInfo rii = results.get(i); 5457 if (rii.filter == null) { 5458 continue; 5459 } 5460 5461 // Iterate over all of the actions of this result's intent 5462 // filter... typically this should be just one. 5463 final Iterator<String> it = rii.filter.actionsIterator(); 5464 if (it == null) { 5465 continue; 5466 } 5467 while (it.hasNext()) { 5468 final String action = it.next(); 5469 if (resultsAction != null && resultsAction.equals(action)) { 5470 // If this action was explicitly requested, then don't 5471 // remove things that have it. 5472 continue; 5473 } 5474 for (int j=i+1; j<N; j++) { 5475 final ResolveInfo rij = results.get(j); 5476 if (rij.filter != null && rij.filter.hasAction(action)) { 5477 results.remove(j); 5478 if (DEBUG_INTENT_MATCHING) Log.v( 5479 TAG, "Removing duplicate item from " + j 5480 + " due to action " + action + " at " + i); 5481 j--; 5482 N--; 5483 } 5484 } 5485 } 5486 5487 // If the caller didn't request filter information, drop it now 5488 // so we don't have to marshall/unmarshall it. 5489 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5490 rii.filter = null; 5491 } 5492 } 5493 5494 // Filter out the caller activity if so requested. 5495 if (caller != null) { 5496 N = results.size(); 5497 for (int i=0; i<N; i++) { 5498 ActivityInfo ainfo = results.get(i).activityInfo; 5499 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5500 && caller.getClassName().equals(ainfo.name)) { 5501 results.remove(i); 5502 break; 5503 } 5504 } 5505 } 5506 5507 // If the caller didn't request filter information, 5508 // drop them now so we don't have to 5509 // marshall/unmarshall it. 5510 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5511 N = results.size(); 5512 for (int i=0; i<N; i++) { 5513 results.get(i).filter = null; 5514 } 5515 } 5516 5517 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5518 return results; 5519 } 5520 5521 @Override 5522 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5523 int userId) { 5524 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5525 flags = updateFlagsForResolve(flags, userId, intent); 5526 ComponentName comp = intent.getComponent(); 5527 if (comp == null) { 5528 if (intent.getSelector() != null) { 5529 intent = intent.getSelector(); 5530 comp = intent.getComponent(); 5531 } 5532 } 5533 if (comp != null) { 5534 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5535 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5536 if (ai != null) { 5537 ResolveInfo ri = new ResolveInfo(); 5538 ri.activityInfo = ai; 5539 list.add(ri); 5540 } 5541 return list; 5542 } 5543 5544 // reader 5545 synchronized (mPackages) { 5546 String pkgName = intent.getPackage(); 5547 if (pkgName == null) { 5548 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5549 } 5550 final PackageParser.Package pkg = mPackages.get(pkgName); 5551 if (pkg != null) { 5552 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5553 userId); 5554 } 5555 return null; 5556 } 5557 } 5558 5559 @Override 5560 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5561 if (!sUserManager.exists(userId)) return null; 5562 flags = updateFlagsForResolve(flags, userId, intent); 5563 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5564 if (query != null) { 5565 if (query.size() >= 1) { 5566 // If there is more than one service with the same priority, 5567 // just arbitrarily pick the first one. 5568 return query.get(0); 5569 } 5570 } 5571 return null; 5572 } 5573 5574 @Override 5575 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5576 int userId) { 5577 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5578 flags = updateFlagsForResolve(flags, userId, intent); 5579 ComponentName comp = intent.getComponent(); 5580 if (comp == null) { 5581 if (intent.getSelector() != null) { 5582 intent = intent.getSelector(); 5583 comp = intent.getComponent(); 5584 } 5585 } 5586 if (comp != null) { 5587 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5588 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5589 if (si != null) { 5590 final ResolveInfo ri = new ResolveInfo(); 5591 ri.serviceInfo = si; 5592 list.add(ri); 5593 } 5594 return list; 5595 } 5596 5597 // reader 5598 synchronized (mPackages) { 5599 String pkgName = intent.getPackage(); 5600 if (pkgName == null) { 5601 return mServices.queryIntent(intent, resolvedType, flags, userId); 5602 } 5603 final PackageParser.Package pkg = mPackages.get(pkgName); 5604 if (pkg != null) { 5605 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5606 userId); 5607 } 5608 return null; 5609 } 5610 } 5611 5612 @Override 5613 public List<ResolveInfo> queryIntentContentProviders( 5614 Intent intent, String resolvedType, int flags, int userId) { 5615 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5616 flags = updateFlagsForResolve(flags, userId, intent); 5617 ComponentName comp = intent.getComponent(); 5618 if (comp == null) { 5619 if (intent.getSelector() != null) { 5620 intent = intent.getSelector(); 5621 comp = intent.getComponent(); 5622 } 5623 } 5624 if (comp != null) { 5625 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5626 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5627 if (pi != null) { 5628 final ResolveInfo ri = new ResolveInfo(); 5629 ri.providerInfo = pi; 5630 list.add(ri); 5631 } 5632 return list; 5633 } 5634 5635 // reader 5636 synchronized (mPackages) { 5637 String pkgName = intent.getPackage(); 5638 if (pkgName == null) { 5639 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5640 } 5641 final PackageParser.Package pkg = mPackages.get(pkgName); 5642 if (pkg != null) { 5643 return mProviders.queryIntentForPackage( 5644 intent, resolvedType, flags, pkg.providers, userId); 5645 } 5646 return null; 5647 } 5648 } 5649 5650 @Override 5651 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5652 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5653 flags = updateFlagsForPackage(flags, userId, null); 5654 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5655 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5656 5657 // writer 5658 synchronized (mPackages) { 5659 ArrayList<PackageInfo> list; 5660 if (listUninstalled) { 5661 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5662 for (PackageSetting ps : mSettings.mPackages.values()) { 5663 PackageInfo pi; 5664 if (ps.pkg != null) { 5665 pi = generatePackageInfo(ps.pkg, flags, userId); 5666 } else { 5667 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5668 } 5669 if (pi != null) { 5670 list.add(pi); 5671 } 5672 } 5673 } else { 5674 list = new ArrayList<PackageInfo>(mPackages.size()); 5675 for (PackageParser.Package p : mPackages.values()) { 5676 PackageInfo pi = generatePackageInfo(p, flags, userId); 5677 if (pi != null) { 5678 list.add(pi); 5679 } 5680 } 5681 } 5682 5683 return new ParceledListSlice<PackageInfo>(list); 5684 } 5685 } 5686 5687 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5688 String[] permissions, boolean[] tmp, int flags, int userId) { 5689 int numMatch = 0; 5690 final PermissionsState permissionsState = ps.getPermissionsState(); 5691 for (int i=0; i<permissions.length; i++) { 5692 final String permission = permissions[i]; 5693 if (permissionsState.hasPermission(permission, userId)) { 5694 tmp[i] = true; 5695 numMatch++; 5696 } else { 5697 tmp[i] = false; 5698 } 5699 } 5700 if (numMatch == 0) { 5701 return; 5702 } 5703 PackageInfo pi; 5704 if (ps.pkg != null) { 5705 pi = generatePackageInfo(ps.pkg, flags, userId); 5706 } else { 5707 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5708 } 5709 // The above might return null in cases of uninstalled apps or install-state 5710 // skew across users/profiles. 5711 if (pi != null) { 5712 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5713 if (numMatch == permissions.length) { 5714 pi.requestedPermissions = permissions; 5715 } else { 5716 pi.requestedPermissions = new String[numMatch]; 5717 numMatch = 0; 5718 for (int i=0; i<permissions.length; i++) { 5719 if (tmp[i]) { 5720 pi.requestedPermissions[numMatch] = permissions[i]; 5721 numMatch++; 5722 } 5723 } 5724 } 5725 } 5726 list.add(pi); 5727 } 5728 } 5729 5730 @Override 5731 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5732 String[] permissions, int flags, int userId) { 5733 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5734 flags = updateFlagsForPackage(flags, userId, permissions); 5735 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5736 5737 // writer 5738 synchronized (mPackages) { 5739 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5740 boolean[] tmpBools = new boolean[permissions.length]; 5741 if (listUninstalled) { 5742 for (PackageSetting ps : mSettings.mPackages.values()) { 5743 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5744 } 5745 } else { 5746 for (PackageParser.Package pkg : mPackages.values()) { 5747 PackageSetting ps = (PackageSetting)pkg.mExtras; 5748 if (ps != null) { 5749 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5750 userId); 5751 } 5752 } 5753 } 5754 5755 return new ParceledListSlice<PackageInfo>(list); 5756 } 5757 } 5758 5759 @Override 5760 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5761 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5762 flags = updateFlagsForApplication(flags, userId, null); 5763 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5764 5765 // writer 5766 synchronized (mPackages) { 5767 ArrayList<ApplicationInfo> list; 5768 if (listUninstalled) { 5769 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5770 for (PackageSetting ps : mSettings.mPackages.values()) { 5771 ApplicationInfo ai; 5772 if (ps.pkg != null) { 5773 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5774 ps.readUserState(userId), userId); 5775 } else { 5776 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5777 } 5778 if (ai != null) { 5779 list.add(ai); 5780 } 5781 } 5782 } else { 5783 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5784 for (PackageParser.Package p : mPackages.values()) { 5785 if (p.mExtras != null) { 5786 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5787 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5788 if (ai != null) { 5789 list.add(ai); 5790 } 5791 } 5792 } 5793 } 5794 5795 return new ParceledListSlice<ApplicationInfo>(list); 5796 } 5797 } 5798 5799 @Override 5800 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 5801 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5802 "getEphemeralApplications"); 5803 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5804 "getEphemeralApplications"); 5805 synchronized (mPackages) { 5806 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 5807 .getEphemeralApplicationsLPw(userId); 5808 if (ephemeralApps != null) { 5809 return new ParceledListSlice<>(ephemeralApps); 5810 } 5811 } 5812 return null; 5813 } 5814 5815 @Override 5816 public boolean isEphemeralApplication(String packageName, int userId) { 5817 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5818 "isEphemeral"); 5819 if (!isCallerSameApp(packageName)) { 5820 return false; 5821 } 5822 synchronized (mPackages) { 5823 PackageParser.Package pkg = mPackages.get(packageName); 5824 if (pkg != null) { 5825 return pkg.applicationInfo.isEphemeralApp(); 5826 } 5827 } 5828 return false; 5829 } 5830 5831 @Override 5832 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 5833 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5834 "getCookie"); 5835 if (!isCallerSameApp(packageName)) { 5836 return null; 5837 } 5838 synchronized (mPackages) { 5839 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 5840 packageName, userId); 5841 } 5842 } 5843 5844 @Override 5845 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 5846 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5847 "setCookie"); 5848 if (!isCallerSameApp(packageName)) { 5849 return false; 5850 } 5851 synchronized (mPackages) { 5852 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 5853 packageName, cookie, userId); 5854 } 5855 } 5856 5857 @Override 5858 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 5859 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5860 "getEphemeralApplicationIcon"); 5861 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5862 "getEphemeralApplicationIcon"); 5863 synchronized (mPackages) { 5864 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 5865 packageName, userId); 5866 } 5867 } 5868 5869 private boolean isCallerSameApp(String packageName) { 5870 PackageParser.Package pkg = mPackages.get(packageName); 5871 return pkg != null 5872 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 5873 } 5874 5875 public List<ApplicationInfo> getPersistentApplications(int flags) { 5876 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5877 5878 // reader 5879 synchronized (mPackages) { 5880 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5881 final int userId = UserHandle.getCallingUserId(); 5882 while (i.hasNext()) { 5883 final PackageParser.Package p = i.next(); 5884 if (p.applicationInfo != null 5885 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5886 && (!mSafeMode || isSystemApp(p))) { 5887 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5888 if (ps != null) { 5889 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5890 ps.readUserState(userId), userId); 5891 if (ai != null) { 5892 finalList.add(ai); 5893 } 5894 } 5895 } 5896 } 5897 } 5898 5899 return finalList; 5900 } 5901 5902 @Override 5903 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5904 if (!sUserManager.exists(userId)) return null; 5905 flags = updateFlagsForComponent(flags, userId, name); 5906 // reader 5907 synchronized (mPackages) { 5908 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5909 PackageSetting ps = provider != null 5910 ? mSettings.mPackages.get(provider.owner.packageName) 5911 : null; 5912 return ps != null 5913 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 5914 && (!mSafeMode || (provider.info.applicationInfo.flags 5915 &ApplicationInfo.FLAG_SYSTEM) != 0) 5916 ? PackageParser.generateProviderInfo(provider, flags, 5917 ps.readUserState(userId), userId) 5918 : null; 5919 } 5920 } 5921 5922 /** 5923 * @deprecated 5924 */ 5925 @Deprecated 5926 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5927 // reader 5928 synchronized (mPackages) { 5929 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5930 .entrySet().iterator(); 5931 final int userId = UserHandle.getCallingUserId(); 5932 while (i.hasNext()) { 5933 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5934 PackageParser.Provider p = entry.getValue(); 5935 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5936 5937 if (ps != null && p.syncable 5938 && (!mSafeMode || (p.info.applicationInfo.flags 5939 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5940 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5941 ps.readUserState(userId), userId); 5942 if (info != null) { 5943 outNames.add(entry.getKey()); 5944 outInfo.add(info); 5945 } 5946 } 5947 } 5948 } 5949 } 5950 5951 @Override 5952 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5953 int uid, int flags) { 5954 final int userId = processName != null ? UserHandle.getUserId(uid) 5955 : UserHandle.getCallingUserId(); 5956 if (!sUserManager.exists(userId)) return null; 5957 flags = updateFlagsForComponent(flags, userId, processName); 5958 5959 ArrayList<ProviderInfo> finalList = null; 5960 // reader 5961 synchronized (mPackages) { 5962 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5963 while (i.hasNext()) { 5964 final PackageParser.Provider p = i.next(); 5965 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5966 if (ps != null && p.info.authority != null 5967 && (processName == null 5968 || (p.info.processName.equals(processName) 5969 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5970 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId) 5971 && (!mSafeMode 5972 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5973 if (finalList == null) { 5974 finalList = new ArrayList<ProviderInfo>(3); 5975 } 5976 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5977 ps.readUserState(userId), userId); 5978 if (info != null) { 5979 finalList.add(info); 5980 } 5981 } 5982 } 5983 } 5984 5985 if (finalList != null) { 5986 Collections.sort(finalList, mProviderInitOrderSorter); 5987 return new ParceledListSlice<ProviderInfo>(finalList); 5988 } 5989 5990 return null; 5991 } 5992 5993 @Override 5994 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 5995 // reader 5996 synchronized (mPackages) { 5997 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5998 return PackageParser.generateInstrumentationInfo(i, flags); 5999 } 6000 } 6001 6002 @Override 6003 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 6004 int flags) { 6005 ArrayList<InstrumentationInfo> finalList = 6006 new ArrayList<InstrumentationInfo>(); 6007 6008 // reader 6009 synchronized (mPackages) { 6010 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6011 while (i.hasNext()) { 6012 final PackageParser.Instrumentation p = i.next(); 6013 if (targetPackage == null 6014 || targetPackage.equals(p.info.targetPackage)) { 6015 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6016 flags); 6017 if (ii != null) { 6018 finalList.add(ii); 6019 } 6020 } 6021 } 6022 } 6023 6024 return finalList; 6025 } 6026 6027 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6028 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6029 if (overlays == null) { 6030 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6031 return; 6032 } 6033 for (PackageParser.Package opkg : overlays.values()) { 6034 // Not much to do if idmap fails: we already logged the error 6035 // and we certainly don't want to abort installation of pkg simply 6036 // because an overlay didn't fit properly. For these reasons, 6037 // ignore the return value of createIdmapForPackagePairLI. 6038 createIdmapForPackagePairLI(pkg, opkg); 6039 } 6040 } 6041 6042 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6043 PackageParser.Package opkg) { 6044 if (!opkg.mTrustedOverlay) { 6045 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6046 opkg.baseCodePath + ": overlay not trusted"); 6047 return false; 6048 } 6049 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6050 if (overlaySet == null) { 6051 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6052 opkg.baseCodePath + " but target package has no known overlays"); 6053 return false; 6054 } 6055 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6056 // TODO: generate idmap for split APKs 6057 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 6058 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6059 + opkg.baseCodePath); 6060 return false; 6061 } 6062 PackageParser.Package[] overlayArray = 6063 overlaySet.values().toArray(new PackageParser.Package[0]); 6064 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6065 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6066 return p1.mOverlayPriority - p2.mOverlayPriority; 6067 } 6068 }; 6069 Arrays.sort(overlayArray, cmp); 6070 6071 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6072 int i = 0; 6073 for (PackageParser.Package p : overlayArray) { 6074 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6075 } 6076 return true; 6077 } 6078 6079 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6080 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6081 try { 6082 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6083 } finally { 6084 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6085 } 6086 } 6087 6088 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6089 final File[] files = dir.listFiles(); 6090 if (ArrayUtils.isEmpty(files)) { 6091 Log.d(TAG, "No files in app dir " + dir); 6092 return; 6093 } 6094 6095 if (DEBUG_PACKAGE_SCANNING) { 6096 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6097 + " flags=0x" + Integer.toHexString(parseFlags)); 6098 } 6099 6100 for (File file : files) { 6101 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6102 && !PackageInstallerService.isStageName(file.getName()); 6103 if (!isPackage) { 6104 // Ignore entries which are not packages 6105 continue; 6106 } 6107 try { 6108 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6109 scanFlags, currentTime, null); 6110 } catch (PackageManagerException e) { 6111 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6112 6113 // Delete invalid userdata apps 6114 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6115 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6116 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6117 if (file.isDirectory()) { 6118 mInstaller.rmPackageDir(file.getAbsolutePath()); 6119 } else { 6120 file.delete(); 6121 } 6122 } 6123 } 6124 } 6125 } 6126 6127 private static File getSettingsProblemFile() { 6128 File dataDir = Environment.getDataDirectory(); 6129 File systemDir = new File(dataDir, "system"); 6130 File fname = new File(systemDir, "uiderrors.txt"); 6131 return fname; 6132 } 6133 6134 static void reportSettingsProblem(int priority, String msg) { 6135 logCriticalInfo(priority, msg); 6136 } 6137 6138 static void logCriticalInfo(int priority, String msg) { 6139 Slog.println(priority, TAG, msg); 6140 EventLogTags.writePmCriticalInfo(msg); 6141 try { 6142 File fname = getSettingsProblemFile(); 6143 FileOutputStream out = new FileOutputStream(fname, true); 6144 PrintWriter pw = new FastPrintWriter(out); 6145 SimpleDateFormat formatter = new SimpleDateFormat(); 6146 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6147 pw.println(dateString + ": " + msg); 6148 pw.close(); 6149 FileUtils.setPermissions( 6150 fname.toString(), 6151 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6152 -1, -1); 6153 } catch (java.io.IOException e) { 6154 } 6155 } 6156 6157 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 6158 PackageParser.Package pkg, File srcFile, int parseFlags) 6159 throws PackageManagerException { 6160 if (ps != null 6161 && ps.codePath.equals(srcFile) 6162 && ps.timeStamp == srcFile.lastModified() 6163 && !isCompatSignatureUpdateNeeded(pkg) 6164 && !isRecoverSignatureUpdateNeeded(pkg)) { 6165 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6166 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6167 ArraySet<PublicKey> signingKs; 6168 synchronized (mPackages) { 6169 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6170 } 6171 if (ps.signatures.mSignatures != null 6172 && ps.signatures.mSignatures.length != 0 6173 && signingKs != null) { 6174 // Optimization: reuse the existing cached certificates 6175 // if the package appears to be unchanged. 6176 pkg.mSignatures = ps.signatures.mSignatures; 6177 pkg.mSigningKeys = signingKs; 6178 return; 6179 } 6180 6181 Slog.w(TAG, "PackageSetting for " + ps.name 6182 + " is missing signatures. Collecting certs again to recover them."); 6183 } else { 6184 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6185 } 6186 6187 try { 6188 pp.collectCertificates(pkg, parseFlags); 6189 } catch (PackageParserException e) { 6190 throw PackageManagerException.from(e); 6191 } 6192 } 6193 6194 /** 6195 * Traces a package scan. 6196 * @see #scanPackageLI(File, int, int, long, UserHandle) 6197 */ 6198 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6199 long currentTime, UserHandle user) throws PackageManagerException { 6200 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6201 try { 6202 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6203 } finally { 6204 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6205 } 6206 } 6207 6208 /** 6209 * Scans a package and returns the newly parsed package. 6210 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6211 */ 6212 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6213 long currentTime, UserHandle user) throws PackageManagerException { 6214 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6215 parseFlags |= mDefParseFlags; 6216 PackageParser pp = new PackageParser(); 6217 pp.setSeparateProcesses(mSeparateProcesses); 6218 pp.setOnlyCoreApps(mOnlyCore); 6219 pp.setDisplayMetrics(mMetrics); 6220 6221 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6222 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6223 } 6224 6225 final PackageParser.Package pkg; 6226 try { 6227 pkg = pp.parsePackage(scanFile, parseFlags); 6228 } catch (PackageParserException e) { 6229 throw PackageManagerException.from(e); 6230 } 6231 6232 PackageSetting ps = null; 6233 PackageSetting updatedPkg; 6234 // reader 6235 synchronized (mPackages) { 6236 // Look to see if we already know about this package. 6237 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6238 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6239 // This package has been renamed to its original name. Let's 6240 // use that. 6241 ps = mSettings.peekPackageLPr(oldName); 6242 } 6243 // If there was no original package, see one for the real package name. 6244 if (ps == null) { 6245 ps = mSettings.peekPackageLPr(pkg.packageName); 6246 } 6247 // Check to see if this package could be hiding/updating a system 6248 // package. Must look for it either under the original or real 6249 // package name depending on our state. 6250 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6251 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6252 } 6253 boolean updatedPkgBetter = false; 6254 // First check if this is a system package that may involve an update 6255 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6256 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6257 // it needs to drop FLAG_PRIVILEGED. 6258 if (locationIsPrivileged(scanFile)) { 6259 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6260 } else { 6261 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6262 } 6263 6264 if (ps != null && !ps.codePath.equals(scanFile)) { 6265 // The path has changed from what was last scanned... check the 6266 // version of the new path against what we have stored to determine 6267 // what to do. 6268 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6269 if (pkg.mVersionCode <= ps.versionCode) { 6270 // The system package has been updated and the code path does not match 6271 // Ignore entry. Skip it. 6272 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6273 + " ignored: updated version " + ps.versionCode 6274 + " better than this " + pkg.mVersionCode); 6275 if (!updatedPkg.codePath.equals(scanFile)) { 6276 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6277 + ps.name + " changing from " + updatedPkg.codePathString 6278 + " to " + scanFile); 6279 updatedPkg.codePath = scanFile; 6280 updatedPkg.codePathString = scanFile.toString(); 6281 updatedPkg.resourcePath = scanFile; 6282 updatedPkg.resourcePathString = scanFile.toString(); 6283 } 6284 updatedPkg.pkg = pkg; 6285 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6286 "Package " + ps.name + " at " + scanFile 6287 + " ignored: updated version " + ps.versionCode 6288 + " better than this " + pkg.mVersionCode); 6289 } else { 6290 // The current app on the system partition is better than 6291 // what we have updated to on the data partition; switch 6292 // back to the system partition version. 6293 // At this point, its safely assumed that package installation for 6294 // apps in system partition will go through. If not there won't be a working 6295 // version of the app 6296 // writer 6297 synchronized (mPackages) { 6298 // Just remove the loaded entries from package lists. 6299 mPackages.remove(ps.name); 6300 } 6301 6302 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6303 + " reverting from " + ps.codePathString 6304 + ": new version " + pkg.mVersionCode 6305 + " better than installed " + ps.versionCode); 6306 6307 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6308 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6309 synchronized (mInstallLock) { 6310 args.cleanUpResourcesLI(); 6311 } 6312 synchronized (mPackages) { 6313 mSettings.enableSystemPackageLPw(ps.name); 6314 } 6315 updatedPkgBetter = true; 6316 } 6317 } 6318 } 6319 6320 if (updatedPkg != null) { 6321 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6322 // initially 6323 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6324 6325 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6326 // flag set initially 6327 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6328 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6329 } 6330 } 6331 6332 // Verify certificates against what was last scanned 6333 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 6334 6335 /* 6336 * A new system app appeared, but we already had a non-system one of the 6337 * same name installed earlier. 6338 */ 6339 boolean shouldHideSystemApp = false; 6340 if (updatedPkg == null && ps != null 6341 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6342 /* 6343 * Check to make sure the signatures match first. If they don't, 6344 * wipe the installed application and its data. 6345 */ 6346 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6347 != PackageManager.SIGNATURE_MATCH) { 6348 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6349 + " signatures don't match existing userdata copy; removing"); 6350 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 6351 ps = null; 6352 } else { 6353 /* 6354 * If the newly-added system app is an older version than the 6355 * already installed version, hide it. It will be scanned later 6356 * and re-added like an update. 6357 */ 6358 if (pkg.mVersionCode <= ps.versionCode) { 6359 shouldHideSystemApp = true; 6360 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6361 + " but new version " + pkg.mVersionCode + " better than installed " 6362 + ps.versionCode + "; hiding system"); 6363 } else { 6364 /* 6365 * The newly found system app is a newer version that the 6366 * one previously installed. Simply remove the 6367 * already-installed application and replace it with our own 6368 * while keeping the application data. 6369 */ 6370 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6371 + " reverting from " + ps.codePathString + ": new version " 6372 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6373 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6374 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6375 synchronized (mInstallLock) { 6376 args.cleanUpResourcesLI(); 6377 } 6378 } 6379 } 6380 } 6381 6382 // The apk is forward locked (not public) if its code and resources 6383 // are kept in different files. (except for app in either system or 6384 // vendor path). 6385 // TODO grab this value from PackageSettings 6386 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6387 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6388 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6389 } 6390 } 6391 6392 // TODO: extend to support forward-locked splits 6393 String resourcePath = null; 6394 String baseResourcePath = null; 6395 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6396 if (ps != null && ps.resourcePathString != null) { 6397 resourcePath = ps.resourcePathString; 6398 baseResourcePath = ps.resourcePathString; 6399 } else { 6400 // Should not happen at all. Just log an error. 6401 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6402 } 6403 } else { 6404 resourcePath = pkg.codePath; 6405 baseResourcePath = pkg.baseCodePath; 6406 } 6407 6408 // Set application objects path explicitly. 6409 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 6410 pkg.applicationInfo.setCodePath(pkg.codePath); 6411 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 6412 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 6413 pkg.applicationInfo.setResourcePath(resourcePath); 6414 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 6415 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 6416 6417 // Note that we invoke the following method only if we are about to unpack an application 6418 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6419 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6420 6421 /* 6422 * If the system app should be overridden by a previously installed 6423 * data, hide the system app now and let the /data/app scan pick it up 6424 * again. 6425 */ 6426 if (shouldHideSystemApp) { 6427 synchronized (mPackages) { 6428 mSettings.disableSystemPackageLPw(pkg.packageName); 6429 } 6430 } 6431 6432 return scannedPkg; 6433 } 6434 6435 private static String fixProcessName(String defProcessName, 6436 String processName, int uid) { 6437 if (processName == null) { 6438 return defProcessName; 6439 } 6440 return processName; 6441 } 6442 6443 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6444 throws PackageManagerException { 6445 if (pkgSetting.signatures.mSignatures != null) { 6446 // Already existing package. Make sure signatures match 6447 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6448 == PackageManager.SIGNATURE_MATCH; 6449 if (!match) { 6450 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6451 == PackageManager.SIGNATURE_MATCH; 6452 } 6453 if (!match) { 6454 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6455 == PackageManager.SIGNATURE_MATCH; 6456 } 6457 if (!match) { 6458 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6459 + pkg.packageName + " signatures do not match the " 6460 + "previously installed version; ignoring!"); 6461 } 6462 } 6463 6464 // Check for shared user signatures 6465 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6466 // Already existing package. Make sure signatures match 6467 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6468 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6469 if (!match) { 6470 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6471 == PackageManager.SIGNATURE_MATCH; 6472 } 6473 if (!match) { 6474 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6475 == PackageManager.SIGNATURE_MATCH; 6476 } 6477 if (!match) { 6478 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6479 "Package " + pkg.packageName 6480 + " has no signatures that match those in shared user " 6481 + pkgSetting.sharedUser.name + "; ignoring!"); 6482 } 6483 } 6484 } 6485 6486 /** 6487 * Enforces that only the system UID or root's UID can call a method exposed 6488 * via Binder. 6489 * 6490 * @param message used as message if SecurityException is thrown 6491 * @throws SecurityException if the caller is not system or root 6492 */ 6493 private static final void enforceSystemOrRoot(String message) { 6494 final int uid = Binder.getCallingUid(); 6495 if (uid != Process.SYSTEM_UID && uid != 0) { 6496 throw new SecurityException(message); 6497 } 6498 } 6499 6500 @Override 6501 public void performFstrimIfNeeded() { 6502 enforceSystemOrRoot("Only the system can request fstrim"); 6503 6504 // Before everything else, see whether we need to fstrim. 6505 try { 6506 IMountService ms = PackageHelper.getMountService(); 6507 if (ms != null) { 6508 final boolean isUpgrade = isUpgrade(); 6509 boolean doTrim = isUpgrade; 6510 if (doTrim) { 6511 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6512 } else { 6513 final long interval = android.provider.Settings.Global.getLong( 6514 mContext.getContentResolver(), 6515 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6516 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6517 if (interval > 0) { 6518 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6519 if (timeSinceLast > interval) { 6520 doTrim = true; 6521 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6522 + "; running immediately"); 6523 } 6524 } 6525 } 6526 if (doTrim) { 6527 if (!isFirstBoot()) { 6528 try { 6529 ActivityManagerNative.getDefault().showBootMessage( 6530 mContext.getResources().getString( 6531 R.string.android_upgrading_fstrim), true); 6532 } catch (RemoteException e) { 6533 } 6534 } 6535 ms.runMaintenance(); 6536 } 6537 } else { 6538 Slog.e(TAG, "Mount service unavailable!"); 6539 } 6540 } catch (RemoteException e) { 6541 // Can't happen; MountService is local 6542 } 6543 } 6544 6545 private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) { 6546 List<ResolveInfo> ris = null; 6547 try { 6548 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6549 intent, null, 0, userId); 6550 } catch (RemoteException e) { 6551 } 6552 ArraySet<String> pkgNames = new ArraySet<String>(); 6553 if (ris != null) { 6554 for (ResolveInfo ri : ris) { 6555 pkgNames.add(ri.activityInfo.packageName); 6556 } 6557 } 6558 return pkgNames; 6559 } 6560 6561 @Override 6562 public void notifyPackageUse(String packageName) { 6563 synchronized (mPackages) { 6564 PackageParser.Package p = mPackages.get(packageName); 6565 if (p == null) { 6566 return; 6567 } 6568 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6569 } 6570 } 6571 6572 @Override 6573 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6574 return performDexOptTraced(packageName, instructionSet); 6575 } 6576 6577 public boolean performDexOpt(String packageName, String instructionSet) { 6578 return performDexOptTraced(packageName, instructionSet); 6579 } 6580 6581 private boolean performDexOptTraced(String packageName, String instructionSet) { 6582 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6583 try { 6584 return performDexOptInternal(packageName, instructionSet); 6585 } finally { 6586 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6587 } 6588 } 6589 6590 private boolean performDexOptInternal(String packageName, String instructionSet) { 6591 PackageParser.Package p; 6592 final String targetInstructionSet; 6593 synchronized (mPackages) { 6594 p = mPackages.get(packageName); 6595 if (p == null) { 6596 return false; 6597 } 6598 mPackageUsage.write(false); 6599 6600 targetInstructionSet = instructionSet != null ? instructionSet : 6601 getPrimaryInstructionSet(p.applicationInfo); 6602 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6603 return false; 6604 } 6605 } 6606 long callingId = Binder.clearCallingIdentity(); 6607 try { 6608 synchronized (mInstallLock) { 6609 final String[] instructionSets = new String[] { targetInstructionSet }; 6610 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6611 true /* inclDependencies */); 6612 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6613 } 6614 } finally { 6615 Binder.restoreCallingIdentity(callingId); 6616 } 6617 } 6618 6619 public ArraySet<String> getPackagesThatNeedDexOpt() { 6620 ArraySet<String> pkgs = null; 6621 synchronized (mPackages) { 6622 for (PackageParser.Package p : mPackages.values()) { 6623 if (DEBUG_DEXOPT) { 6624 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6625 } 6626 if (!p.mDexOptPerformed.isEmpty()) { 6627 continue; 6628 } 6629 if (pkgs == null) { 6630 pkgs = new ArraySet<String>(); 6631 } 6632 pkgs.add(p.packageName); 6633 } 6634 } 6635 return pkgs; 6636 } 6637 6638 public void shutdown() { 6639 mPackageUsage.write(true); 6640 } 6641 6642 @Override 6643 public void forceDexOpt(String packageName) { 6644 enforceSystemOrRoot("forceDexOpt"); 6645 6646 PackageParser.Package pkg; 6647 synchronized (mPackages) { 6648 pkg = mPackages.get(packageName); 6649 if (pkg == null) { 6650 throw new IllegalArgumentException("Unknown package: " + packageName); 6651 } 6652 } 6653 6654 synchronized (mInstallLock) { 6655 final String[] instructionSets = new String[] { 6656 getPrimaryInstructionSet(pkg.applicationInfo) }; 6657 6658 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6659 6660 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6661 true /* inclDependencies */); 6662 6663 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6664 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6665 throw new IllegalStateException("Failed to dexopt: " + res); 6666 } 6667 } 6668 } 6669 6670 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6671 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6672 Slog.w(TAG, "Unable to update from " + oldPkg.name 6673 + " to " + newPkg.packageName 6674 + ": old package not in system partition"); 6675 return false; 6676 } else if (mPackages.get(oldPkg.name) != null) { 6677 Slog.w(TAG, "Unable to update from " + oldPkg.name 6678 + " to " + newPkg.packageName 6679 + ": old package still exists"); 6680 return false; 6681 } 6682 return true; 6683 } 6684 6685 private void createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) 6686 throws PackageManagerException { 6687 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6688 if (res != 0) { 6689 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6690 "Failed to install " + packageName + ": " + res); 6691 } 6692 6693 final int[] users = sUserManager.getUserIds(); 6694 for (int user : users) { 6695 if (user != 0) { 6696 res = mInstaller.createUserData(volumeUuid, packageName, 6697 UserHandle.getUid(user, uid), user, seinfo); 6698 if (res != 0) { 6699 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6700 "Failed to createUserData " + packageName + ": " + res); 6701 } 6702 } 6703 } 6704 } 6705 6706 private int removeDataDirsLI(String volumeUuid, String packageName) { 6707 int[] users = sUserManager.getUserIds(); 6708 int res = 0; 6709 for (int user : users) { 6710 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6711 if (resInner < 0) { 6712 res = resInner; 6713 } 6714 } 6715 6716 return res; 6717 } 6718 6719 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6720 int[] users = sUserManager.getUserIds(); 6721 int res = 0; 6722 for (int user : users) { 6723 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6724 if (resInner < 0) { 6725 res = resInner; 6726 } 6727 } 6728 return res; 6729 } 6730 6731 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6732 PackageParser.Package changingLib) { 6733 if (file.path != null) { 6734 usesLibraryFiles.add(file.path); 6735 return; 6736 } 6737 PackageParser.Package p = mPackages.get(file.apk); 6738 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6739 // If we are doing this while in the middle of updating a library apk, 6740 // then we need to make sure to use that new apk for determining the 6741 // dependencies here. (We haven't yet finished committing the new apk 6742 // to the package manager state.) 6743 if (p == null || p.packageName.equals(changingLib.packageName)) { 6744 p = changingLib; 6745 } 6746 } 6747 if (p != null) { 6748 usesLibraryFiles.addAll(p.getAllCodePaths()); 6749 } 6750 } 6751 6752 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6753 PackageParser.Package changingLib) throws PackageManagerException { 6754 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6755 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6756 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6757 for (int i=0; i<N; i++) { 6758 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6759 if (file == null) { 6760 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6761 "Package " + pkg.packageName + " requires unavailable shared library " 6762 + pkg.usesLibraries.get(i) + "; failing!"); 6763 } 6764 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6765 } 6766 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6767 for (int i=0; i<N; i++) { 6768 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6769 if (file == null) { 6770 Slog.w(TAG, "Package " + pkg.packageName 6771 + " desires unavailable shared library " 6772 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6773 } else { 6774 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6775 } 6776 } 6777 N = usesLibraryFiles.size(); 6778 if (N > 0) { 6779 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6780 } else { 6781 pkg.usesLibraryFiles = null; 6782 } 6783 } 6784 } 6785 6786 private static boolean hasString(List<String> list, List<String> which) { 6787 if (list == null) { 6788 return false; 6789 } 6790 for (int i=list.size()-1; i>=0; i--) { 6791 for (int j=which.size()-1; j>=0; j--) { 6792 if (which.get(j).equals(list.get(i))) { 6793 return true; 6794 } 6795 } 6796 } 6797 return false; 6798 } 6799 6800 private void updateAllSharedLibrariesLPw() { 6801 for (PackageParser.Package pkg : mPackages.values()) { 6802 try { 6803 updateSharedLibrariesLPw(pkg, null); 6804 } catch (PackageManagerException e) { 6805 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6806 } 6807 } 6808 } 6809 6810 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6811 PackageParser.Package changingPkg) { 6812 ArrayList<PackageParser.Package> res = null; 6813 for (PackageParser.Package pkg : mPackages.values()) { 6814 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6815 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6816 if (res == null) { 6817 res = new ArrayList<PackageParser.Package>(); 6818 } 6819 res.add(pkg); 6820 try { 6821 updateSharedLibrariesLPw(pkg, changingPkg); 6822 } catch (PackageManagerException e) { 6823 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6824 } 6825 } 6826 } 6827 return res; 6828 } 6829 6830 /** 6831 * Derive the value of the {@code cpuAbiOverride} based on the provided 6832 * value and an optional stored value from the package settings. 6833 */ 6834 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6835 String cpuAbiOverride = null; 6836 6837 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6838 cpuAbiOverride = null; 6839 } else if (abiOverride != null) { 6840 cpuAbiOverride = abiOverride; 6841 } else if (settings != null) { 6842 cpuAbiOverride = settings.cpuAbiOverrideString; 6843 } 6844 6845 return cpuAbiOverride; 6846 } 6847 6848 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 6849 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6850 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6851 try { 6852 return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 6853 } finally { 6854 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6855 } 6856 } 6857 6858 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6859 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6860 boolean success = false; 6861 try { 6862 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6863 currentTime, user); 6864 success = true; 6865 return res; 6866 } finally { 6867 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6868 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6869 } 6870 } 6871 } 6872 6873 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6874 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6875 final File scanFile = new File(pkg.codePath); 6876 if (pkg.applicationInfo.getCodePath() == null || 6877 pkg.applicationInfo.getResourcePath() == null) { 6878 // Bail out. The resource and code paths haven't been set. 6879 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6880 "Code and resource paths haven't been set correctly"); 6881 } 6882 6883 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6884 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6885 } else { 6886 // Only allow system apps to be flagged as core apps. 6887 pkg.coreApp = false; 6888 } 6889 6890 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6891 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6892 } 6893 6894 if (mCustomResolverComponentName != null && 6895 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6896 setUpCustomResolverActivity(pkg); 6897 } 6898 6899 if (pkg.packageName.equals("android")) { 6900 synchronized (mPackages) { 6901 if (mAndroidApplication != null) { 6902 Slog.w(TAG, "*************************************************"); 6903 Slog.w(TAG, "Core android package being redefined. Skipping."); 6904 Slog.w(TAG, " file=" + scanFile); 6905 Slog.w(TAG, "*************************************************"); 6906 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6907 "Core android package being redefined. Skipping."); 6908 } 6909 6910 // Set up information for our fall-back user intent resolution activity. 6911 mPlatformPackage = pkg; 6912 pkg.mVersionCode = mSdkVersion; 6913 mAndroidApplication = pkg.applicationInfo; 6914 6915 if (!mResolverReplaced) { 6916 mResolveActivity.applicationInfo = mAndroidApplication; 6917 mResolveActivity.name = ResolverActivity.class.getName(); 6918 mResolveActivity.packageName = mAndroidApplication.packageName; 6919 mResolveActivity.processName = "system:ui"; 6920 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6921 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6922 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6923 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6924 mResolveActivity.exported = true; 6925 mResolveActivity.enabled = true; 6926 mResolveInfo.activityInfo = mResolveActivity; 6927 mResolveInfo.priority = 0; 6928 mResolveInfo.preferredOrder = 0; 6929 mResolveInfo.match = 0; 6930 mResolveComponentName = new ComponentName( 6931 mAndroidApplication.packageName, mResolveActivity.name); 6932 } 6933 } 6934 } 6935 6936 if (DEBUG_PACKAGE_SCANNING) { 6937 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6938 Log.d(TAG, "Scanning package " + pkg.packageName); 6939 } 6940 6941 if (mPackages.containsKey(pkg.packageName) 6942 || mSharedLibraries.containsKey(pkg.packageName)) { 6943 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6944 "Application package " + pkg.packageName 6945 + " already installed. Skipping duplicate."); 6946 } 6947 6948 // If we're only installing presumed-existing packages, require that the 6949 // scanned APK is both already known and at the path previously established 6950 // for it. Previously unknown packages we pick up normally, but if we have an 6951 // a priori expectation about this package's install presence, enforce it. 6952 // With a singular exception for new system packages. When an OTA contains 6953 // a new system package, we allow the codepath to change from a system location 6954 // to the user-installed location. If we don't allow this change, any newer, 6955 // user-installed version of the application will be ignored. 6956 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6957 if (mExpectingBetter.containsKey(pkg.packageName)) { 6958 logCriticalInfo(Log.WARN, 6959 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6960 } else { 6961 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6962 if (known != null) { 6963 if (DEBUG_PACKAGE_SCANNING) { 6964 Log.d(TAG, "Examining " + pkg.codePath 6965 + " and requiring known paths " + known.codePathString 6966 + " & " + known.resourcePathString); 6967 } 6968 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6969 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6970 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6971 "Application package " + pkg.packageName 6972 + " found at " + pkg.applicationInfo.getCodePath() 6973 + " but expected at " + known.codePathString + "; ignoring."); 6974 } 6975 } 6976 } 6977 } 6978 6979 // Initialize package source and resource directories 6980 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6981 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6982 6983 SharedUserSetting suid = null; 6984 PackageSetting pkgSetting = null; 6985 6986 if (!isSystemApp(pkg)) { 6987 // Only system apps can use these features. 6988 pkg.mOriginalPackages = null; 6989 pkg.mRealPackage = null; 6990 pkg.mAdoptPermissions = null; 6991 } 6992 6993 // writer 6994 synchronized (mPackages) { 6995 if (pkg.mSharedUserId != null) { 6996 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6997 if (suid == null) { 6998 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6999 "Creating application package " + pkg.packageName 7000 + " for shared user failed"); 7001 } 7002 if (DEBUG_PACKAGE_SCANNING) { 7003 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7004 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7005 + "): packages=" + suid.packages); 7006 } 7007 } 7008 7009 // Check if we are renaming from an original package name. 7010 PackageSetting origPackage = null; 7011 String realName = null; 7012 if (pkg.mOriginalPackages != null) { 7013 // This package may need to be renamed to a previously 7014 // installed name. Let's check on that... 7015 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7016 if (pkg.mOriginalPackages.contains(renamed)) { 7017 // This package had originally been installed as the 7018 // original name, and we have already taken care of 7019 // transitioning to the new one. Just update the new 7020 // one to continue using the old name. 7021 realName = pkg.mRealPackage; 7022 if (!pkg.packageName.equals(renamed)) { 7023 // Callers into this function may have already taken 7024 // care of renaming the package; only do it here if 7025 // it is not already done. 7026 pkg.setPackageName(renamed); 7027 } 7028 7029 } else { 7030 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7031 if ((origPackage = mSettings.peekPackageLPr( 7032 pkg.mOriginalPackages.get(i))) != null) { 7033 // We do have the package already installed under its 7034 // original name... should we use it? 7035 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7036 // New package is not compatible with original. 7037 origPackage = null; 7038 continue; 7039 } else if (origPackage.sharedUser != null) { 7040 // Make sure uid is compatible between packages. 7041 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7042 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7043 + " to " + pkg.packageName + ": old uid " 7044 + origPackage.sharedUser.name 7045 + " differs from " + pkg.mSharedUserId); 7046 origPackage = null; 7047 continue; 7048 } 7049 } else { 7050 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7051 + pkg.packageName + " to old name " + origPackage.name); 7052 } 7053 break; 7054 } 7055 } 7056 } 7057 } 7058 7059 if (mTransferedPackages.contains(pkg.packageName)) { 7060 Slog.w(TAG, "Package " + pkg.packageName 7061 + " was transferred to another, but its .apk remains"); 7062 } 7063 7064 // Just create the setting, don't add it yet. For already existing packages 7065 // the PkgSetting exists already and doesn't have to be created. 7066 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7067 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7068 pkg.applicationInfo.primaryCpuAbi, 7069 pkg.applicationInfo.secondaryCpuAbi, 7070 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7071 user, false); 7072 if (pkgSetting == null) { 7073 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7074 "Creating application package " + pkg.packageName + " failed"); 7075 } 7076 7077 if (pkgSetting.origPackage != null) { 7078 // If we are first transitioning from an original package, 7079 // fix up the new package's name now. We need to do this after 7080 // looking up the package under its new name, so getPackageLP 7081 // can take care of fiddling things correctly. 7082 pkg.setPackageName(origPackage.name); 7083 7084 // File a report about this. 7085 String msg = "New package " + pkgSetting.realName 7086 + " renamed to replace old package " + pkgSetting.name; 7087 reportSettingsProblem(Log.WARN, msg); 7088 7089 // Make a note of it. 7090 mTransferedPackages.add(origPackage.name); 7091 7092 // No longer need to retain this. 7093 pkgSetting.origPackage = null; 7094 } 7095 7096 if (realName != null) { 7097 // Make a note of it. 7098 mTransferedPackages.add(pkg.packageName); 7099 } 7100 7101 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7102 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7103 } 7104 7105 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7106 // Check all shared libraries and map to their actual file path. 7107 // We only do this here for apps not on a system dir, because those 7108 // are the only ones that can fail an install due to this. We 7109 // will take care of the system apps by updating all of their 7110 // library paths after the scan is done. 7111 updateSharedLibrariesLPw(pkg, null); 7112 } 7113 7114 if (mFoundPolicyFile) { 7115 SELinuxMMAC.assignSeinfoValue(pkg); 7116 } 7117 7118 pkg.applicationInfo.uid = pkgSetting.appId; 7119 pkg.mExtras = pkgSetting; 7120 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7121 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7122 // We just determined the app is signed correctly, so bring 7123 // over the latest parsed certs. 7124 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7125 } else { 7126 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7127 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7128 "Package " + pkg.packageName + " upgrade keys do not match the " 7129 + "previously installed version"); 7130 } else { 7131 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7132 String msg = "System package " + pkg.packageName 7133 + " signature changed; retaining data."; 7134 reportSettingsProblem(Log.WARN, msg); 7135 } 7136 } 7137 } else { 7138 try { 7139 verifySignaturesLP(pkgSetting, pkg); 7140 // We just determined the app is signed correctly, so bring 7141 // over the latest parsed certs. 7142 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7143 } catch (PackageManagerException e) { 7144 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7145 throw e; 7146 } 7147 // The signature has changed, but this package is in the system 7148 // image... let's recover! 7149 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7150 // However... if this package is part of a shared user, but it 7151 // doesn't match the signature of the shared user, let's fail. 7152 // What this means is that you can't change the signatures 7153 // associated with an overall shared user, which doesn't seem all 7154 // that unreasonable. 7155 if (pkgSetting.sharedUser != null) { 7156 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7157 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7158 throw new PackageManagerException( 7159 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7160 "Signature mismatch for shared user: " 7161 + pkgSetting.sharedUser); 7162 } 7163 } 7164 // File a report about this. 7165 String msg = "System package " + pkg.packageName 7166 + " signature changed; retaining data."; 7167 reportSettingsProblem(Log.WARN, msg); 7168 } 7169 } 7170 // Verify that this new package doesn't have any content providers 7171 // that conflict with existing packages. Only do this if the 7172 // package isn't already installed, since we don't want to break 7173 // things that are installed. 7174 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7175 final int N = pkg.providers.size(); 7176 int i; 7177 for (i=0; i<N; i++) { 7178 PackageParser.Provider p = pkg.providers.get(i); 7179 if (p.info.authority != null) { 7180 String names[] = p.info.authority.split(";"); 7181 for (int j = 0; j < names.length; j++) { 7182 if (mProvidersByAuthority.containsKey(names[j])) { 7183 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7184 final String otherPackageName = 7185 ((other != null && other.getComponentName() != null) ? 7186 other.getComponentName().getPackageName() : "?"); 7187 throw new PackageManagerException( 7188 INSTALL_FAILED_CONFLICTING_PROVIDER, 7189 "Can't install because provider name " + names[j] 7190 + " (in package " + pkg.applicationInfo.packageName 7191 + ") is already used by " + otherPackageName); 7192 } 7193 } 7194 } 7195 } 7196 } 7197 7198 if (pkg.mAdoptPermissions != null) { 7199 // This package wants to adopt ownership of permissions from 7200 // another package. 7201 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7202 final String origName = pkg.mAdoptPermissions.get(i); 7203 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7204 if (orig != null) { 7205 if (verifyPackageUpdateLPr(orig, pkg)) { 7206 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7207 + pkg.packageName); 7208 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7209 } 7210 } 7211 } 7212 } 7213 } 7214 7215 final String pkgName = pkg.packageName; 7216 7217 final long scanFileTime = scanFile.lastModified(); 7218 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7219 pkg.applicationInfo.processName = fixProcessName( 7220 pkg.applicationInfo.packageName, 7221 pkg.applicationInfo.processName, 7222 pkg.applicationInfo.uid); 7223 7224 if (pkg != mPlatformPackage) { 7225 // This is a normal package, need to make its data directory. 7226 final File dataPath = Environment.getDataUserCredentialEncryptedPackageDirectory( 7227 pkg.volumeUuid, UserHandle.USER_SYSTEM, pkg.packageName); 7228 7229 boolean uidError = false; 7230 if (dataPath.exists()) { 7231 int currentUid = 0; 7232 try { 7233 StructStat stat = Os.stat(dataPath.getPath()); 7234 currentUid = stat.st_uid; 7235 } catch (ErrnoException e) { 7236 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 7237 } 7238 7239 // If we have mismatched owners for the data path, we have a problem. 7240 if (currentUid != pkg.applicationInfo.uid) { 7241 boolean recovered = false; 7242 if (currentUid == 0) { 7243 // The directory somehow became owned by root. Wow. 7244 // This is probably because the system was stopped while 7245 // installd was in the middle of messing with its libs 7246 // directory. Ask installd to fix that. 7247 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 7248 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 7249 if (ret >= 0) { 7250 recovered = true; 7251 String msg = "Package " + pkg.packageName 7252 + " unexpectedly changed to uid 0; recovered to " + 7253 + pkg.applicationInfo.uid; 7254 reportSettingsProblem(Log.WARN, msg); 7255 } 7256 } 7257 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7258 || (scanFlags&SCAN_BOOTING) != 0)) { 7259 // If this is a system app, we can at least delete its 7260 // current data so the application will still work. 7261 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 7262 if (ret >= 0) { 7263 // TODO: Kill the processes first 7264 // Old data gone! 7265 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7266 ? "System package " : "Third party package "; 7267 String msg = prefix + pkg.packageName 7268 + " has changed from uid: " 7269 + currentUid + " to " 7270 + pkg.applicationInfo.uid + "; old data erased"; 7271 reportSettingsProblem(Log.WARN, msg); 7272 recovered = true; 7273 } 7274 if (!recovered) { 7275 mHasSystemUidErrors = true; 7276 } 7277 } else if (!recovered) { 7278 // If we allow this install to proceed, we will be broken. 7279 // Abort, abort! 7280 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 7281 "scanPackageLI"); 7282 } 7283 if (!recovered) { 7284 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 7285 + pkg.applicationInfo.uid + "/fs_" 7286 + currentUid; 7287 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 7288 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 7289 String msg = "Package " + pkg.packageName 7290 + " has mismatched uid: " 7291 + currentUid + " on disk, " 7292 + pkg.applicationInfo.uid + " in settings"; 7293 // writer 7294 synchronized (mPackages) { 7295 mSettings.mReadMessages.append(msg); 7296 mSettings.mReadMessages.append('\n'); 7297 uidError = true; 7298 if (!pkgSetting.uidError) { 7299 reportSettingsProblem(Log.ERROR, msg); 7300 } 7301 } 7302 } 7303 } 7304 7305 // Ensure that directories are prepared 7306 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7307 pkg.applicationInfo.seinfo); 7308 7309 if (mShouldRestoreconData) { 7310 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 7311 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 7312 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 7313 } 7314 } else { 7315 if (DEBUG_PACKAGE_SCANNING) { 7316 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7317 Log.v(TAG, "Want this data dir: " + dataPath); 7318 } 7319 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7320 pkg.applicationInfo.seinfo); 7321 } 7322 7323 // Get all of our default paths setup 7324 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7325 7326 pkgSetting.uidError = uidError; 7327 } 7328 7329 final String path = scanFile.getPath(); 7330 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7331 7332 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7333 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7334 7335 // Some system apps still use directory structure for native libraries 7336 // in which case we might end up not detecting abi solely based on apk 7337 // structure. Try to detect abi based on directory structure. 7338 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7339 pkg.applicationInfo.primaryCpuAbi == null) { 7340 setBundledAppAbisAndRoots(pkg, pkgSetting); 7341 setNativeLibraryPaths(pkg); 7342 } 7343 7344 } else { 7345 if ((scanFlags & SCAN_MOVE) != 0) { 7346 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7347 // but we already have this packages package info in the PackageSetting. We just 7348 // use that and derive the native library path based on the new codepath. 7349 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7350 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7351 } 7352 7353 // Set native library paths again. For moves, the path will be updated based on the 7354 // ABIs we've determined above. For non-moves, the path will be updated based on the 7355 // ABIs we determined during compilation, but the path will depend on the final 7356 // package path (after the rename away from the stage path). 7357 setNativeLibraryPaths(pkg); 7358 } 7359 7360 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 7361 final int[] userIds = sUserManager.getUserIds(); 7362 synchronized (mInstallLock) { 7363 // Make sure all user data directories are ready to roll; we're okay 7364 // if they already exist 7365 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 7366 for (int userId : userIds) { 7367 if (userId != UserHandle.USER_SYSTEM) { 7368 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 7369 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 7370 pkg.applicationInfo.seinfo); 7371 } 7372 } 7373 } 7374 7375 // Create a native library symlink only if we have native libraries 7376 // and if the native libraries are 32 bit libraries. We do not provide 7377 // this symlink for 64 bit libraries. 7378 if (pkg.applicationInfo.primaryCpuAbi != null && 7379 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7380 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "linkNativeLib"); 7381 try { 7382 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7383 for (int userId : userIds) { 7384 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7385 nativeLibPath, userId) < 0) { 7386 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7387 "Failed linking native library dir (user=" + userId + ")"); 7388 } 7389 } 7390 } finally { 7391 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7392 } 7393 } 7394 } 7395 7396 // This is a special case for the "system" package, where the ABI is 7397 // dictated by the zygote configuration (and init.rc). We should keep track 7398 // of this ABI so that we can deal with "normal" applications that run under 7399 // the same UID correctly. 7400 if (mPlatformPackage == pkg) { 7401 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7402 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7403 } 7404 7405 // If there's a mismatch between the abi-override in the package setting 7406 // and the abiOverride specified for the install. Warn about this because we 7407 // would've already compiled the app without taking the package setting into 7408 // account. 7409 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7410 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7411 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7412 " for package " + pkg.packageName); 7413 } 7414 } 7415 7416 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7417 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7418 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7419 7420 // Copy the derived override back to the parsed package, so that we can 7421 // update the package settings accordingly. 7422 pkg.cpuAbiOverride = cpuAbiOverride; 7423 7424 if (DEBUG_ABI_SELECTION) { 7425 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7426 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7427 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7428 } 7429 7430 // Push the derived path down into PackageSettings so we know what to 7431 // clean up at uninstall time. 7432 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7433 7434 if (DEBUG_ABI_SELECTION) { 7435 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7436 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7437 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7438 } 7439 7440 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7441 // We don't do this here during boot because we can do it all 7442 // at once after scanning all existing packages. 7443 // 7444 // We also do this *before* we perform dexopt on this package, so that 7445 // we can avoid redundant dexopts, and also to make sure we've got the 7446 // code and package path correct. 7447 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7448 pkg, true /* boot complete */); 7449 } 7450 7451 if (mFactoryTest && pkg.requestedPermissions.contains( 7452 android.Manifest.permission.FACTORY_TEST)) { 7453 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7454 } 7455 7456 ArrayList<PackageParser.Package> clientLibPkgs = null; 7457 7458 // writer 7459 synchronized (mPackages) { 7460 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7461 // Only system apps can add new shared libraries. 7462 if (pkg.libraryNames != null) { 7463 for (int i=0; i<pkg.libraryNames.size(); i++) { 7464 String name = pkg.libraryNames.get(i); 7465 boolean allowed = false; 7466 if (pkg.isUpdatedSystemApp()) { 7467 // New library entries can only be added through the 7468 // system image. This is important to get rid of a lot 7469 // of nasty edge cases: for example if we allowed a non- 7470 // system update of the app to add a library, then uninstalling 7471 // the update would make the library go away, and assumptions 7472 // we made such as through app install filtering would now 7473 // have allowed apps on the device which aren't compatible 7474 // with it. Better to just have the restriction here, be 7475 // conservative, and create many fewer cases that can negatively 7476 // impact the user experience. 7477 final PackageSetting sysPs = mSettings 7478 .getDisabledSystemPkgLPr(pkg.packageName); 7479 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7480 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7481 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7482 allowed = true; 7483 break; 7484 } 7485 } 7486 } 7487 } else { 7488 allowed = true; 7489 } 7490 if (allowed) { 7491 if (!mSharedLibraries.containsKey(name)) { 7492 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7493 } else if (!name.equals(pkg.packageName)) { 7494 Slog.w(TAG, "Package " + pkg.packageName + " library " 7495 + name + " already exists; skipping"); 7496 } 7497 } else { 7498 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7499 + name + " that is not declared on system image; skipping"); 7500 } 7501 } 7502 if ((scanFlags & SCAN_BOOTING) == 0) { 7503 // If we are not booting, we need to update any applications 7504 // that are clients of our shared library. If we are booting, 7505 // this will all be done once the scan is complete. 7506 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7507 } 7508 } 7509 } 7510 } 7511 7512 // Request the ActivityManager to kill the process(only for existing packages) 7513 // so that we do not end up in a confused state while the user is still using the older 7514 // version of the application while the new one gets installed. 7515 if ((scanFlags & SCAN_REPLACING) != 0) { 7516 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7517 7518 killApplication(pkg.applicationInfo.packageName, 7519 pkg.applicationInfo.uid, "replace pkg"); 7520 7521 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7522 } 7523 7524 // Also need to kill any apps that are dependent on the library. 7525 if (clientLibPkgs != null) { 7526 for (int i=0; i<clientLibPkgs.size(); i++) { 7527 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7528 killApplication(clientPkg.applicationInfo.packageName, 7529 clientPkg.applicationInfo.uid, "update lib"); 7530 } 7531 } 7532 7533 // Make sure we're not adding any bogus keyset info 7534 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7535 ksms.assertScannedPackageValid(pkg); 7536 7537 // writer 7538 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7539 7540 boolean createIdmapFailed = false; 7541 synchronized (mPackages) { 7542 // We don't expect installation to fail beyond this point 7543 7544 // Add the new setting to mSettings 7545 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7546 // Add the new setting to mPackages 7547 mPackages.put(pkg.applicationInfo.packageName, pkg); 7548 // Make sure we don't accidentally delete its data. 7549 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7550 while (iter.hasNext()) { 7551 PackageCleanItem item = iter.next(); 7552 if (pkgName.equals(item.packageName)) { 7553 iter.remove(); 7554 } 7555 } 7556 7557 // Take care of first install / last update times. 7558 if (currentTime != 0) { 7559 if (pkgSetting.firstInstallTime == 0) { 7560 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7561 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7562 pkgSetting.lastUpdateTime = currentTime; 7563 } 7564 } else if (pkgSetting.firstInstallTime == 0) { 7565 // We need *something*. Take time time stamp of the file. 7566 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7567 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7568 if (scanFileTime != pkgSetting.timeStamp) { 7569 // A package on the system image has changed; consider this 7570 // to be an update. 7571 pkgSetting.lastUpdateTime = scanFileTime; 7572 } 7573 } 7574 7575 // Add the package's KeySets to the global KeySetManagerService 7576 ksms.addScannedPackageLPw(pkg); 7577 7578 int N = pkg.providers.size(); 7579 StringBuilder r = null; 7580 int i; 7581 for (i=0; i<N; i++) { 7582 PackageParser.Provider p = pkg.providers.get(i); 7583 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7584 p.info.processName, pkg.applicationInfo.uid); 7585 mProviders.addProvider(p); 7586 p.syncable = p.info.isSyncable; 7587 if (p.info.authority != null) { 7588 String names[] = p.info.authority.split(";"); 7589 p.info.authority = null; 7590 for (int j = 0; j < names.length; j++) { 7591 if (j == 1 && p.syncable) { 7592 // We only want the first authority for a provider to possibly be 7593 // syncable, so if we already added this provider using a different 7594 // authority clear the syncable flag. We copy the provider before 7595 // changing it because the mProviders object contains a reference 7596 // to a provider that we don't want to change. 7597 // Only do this for the second authority since the resulting provider 7598 // object can be the same for all future authorities for this provider. 7599 p = new PackageParser.Provider(p); 7600 p.syncable = false; 7601 } 7602 if (!mProvidersByAuthority.containsKey(names[j])) { 7603 mProvidersByAuthority.put(names[j], p); 7604 if (p.info.authority == null) { 7605 p.info.authority = names[j]; 7606 } else { 7607 p.info.authority = p.info.authority + ";" + names[j]; 7608 } 7609 if (DEBUG_PACKAGE_SCANNING) { 7610 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7611 Log.d(TAG, "Registered content provider: " + names[j] 7612 + ", className = " + p.info.name + ", isSyncable = " 7613 + p.info.isSyncable); 7614 } 7615 } else { 7616 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7617 Slog.w(TAG, "Skipping provider name " + names[j] + 7618 " (in package " + pkg.applicationInfo.packageName + 7619 "): name already used by " 7620 + ((other != null && other.getComponentName() != null) 7621 ? other.getComponentName().getPackageName() : "?")); 7622 } 7623 } 7624 } 7625 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7626 if (r == null) { 7627 r = new StringBuilder(256); 7628 } else { 7629 r.append(' '); 7630 } 7631 r.append(p.info.name); 7632 } 7633 } 7634 if (r != null) { 7635 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7636 } 7637 7638 N = pkg.services.size(); 7639 r = null; 7640 for (i=0; i<N; i++) { 7641 PackageParser.Service s = pkg.services.get(i); 7642 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7643 s.info.processName, pkg.applicationInfo.uid); 7644 mServices.addService(s); 7645 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7646 if (r == null) { 7647 r = new StringBuilder(256); 7648 } else { 7649 r.append(' '); 7650 } 7651 r.append(s.info.name); 7652 } 7653 } 7654 if (r != null) { 7655 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7656 } 7657 7658 N = pkg.receivers.size(); 7659 r = null; 7660 for (i=0; i<N; i++) { 7661 PackageParser.Activity a = pkg.receivers.get(i); 7662 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7663 a.info.processName, pkg.applicationInfo.uid); 7664 mReceivers.addActivity(a, "receiver"); 7665 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7666 if (r == null) { 7667 r = new StringBuilder(256); 7668 } else { 7669 r.append(' '); 7670 } 7671 r.append(a.info.name); 7672 } 7673 } 7674 if (r != null) { 7675 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7676 } 7677 7678 N = pkg.activities.size(); 7679 r = null; 7680 for (i=0; i<N; i++) { 7681 PackageParser.Activity a = pkg.activities.get(i); 7682 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7683 a.info.processName, pkg.applicationInfo.uid); 7684 mActivities.addActivity(a, "activity"); 7685 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7686 if (r == null) { 7687 r = new StringBuilder(256); 7688 } else { 7689 r.append(' '); 7690 } 7691 r.append(a.info.name); 7692 } 7693 } 7694 if (r != null) { 7695 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7696 } 7697 7698 N = pkg.permissionGroups.size(); 7699 r = null; 7700 for (i=0; i<N; i++) { 7701 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7702 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7703 if (cur == null) { 7704 mPermissionGroups.put(pg.info.name, pg); 7705 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7706 if (r == null) { 7707 r = new StringBuilder(256); 7708 } else { 7709 r.append(' '); 7710 } 7711 r.append(pg.info.name); 7712 } 7713 } else { 7714 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7715 + pg.info.packageName + " ignored: original from " 7716 + cur.info.packageName); 7717 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7718 if (r == null) { 7719 r = new StringBuilder(256); 7720 } else { 7721 r.append(' '); 7722 } 7723 r.append("DUP:"); 7724 r.append(pg.info.name); 7725 } 7726 } 7727 } 7728 if (r != null) { 7729 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7730 } 7731 7732 N = pkg.permissions.size(); 7733 r = null; 7734 for (i=0; i<N; i++) { 7735 PackageParser.Permission p = pkg.permissions.get(i); 7736 7737 // Assume by default that we did not install this permission into the system. 7738 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7739 7740 // Now that permission groups have a special meaning, we ignore permission 7741 // groups for legacy apps to prevent unexpected behavior. In particular, 7742 // permissions for one app being granted to someone just becuase they happen 7743 // to be in a group defined by another app (before this had no implications). 7744 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7745 p.group = mPermissionGroups.get(p.info.group); 7746 // Warn for a permission in an unknown group. 7747 if (p.info.group != null && p.group == null) { 7748 Slog.w(TAG, "Permission " + p.info.name + " from package " 7749 + p.info.packageName + " in an unknown group " + p.info.group); 7750 } 7751 } 7752 7753 ArrayMap<String, BasePermission> permissionMap = 7754 p.tree ? mSettings.mPermissionTrees 7755 : mSettings.mPermissions; 7756 BasePermission bp = permissionMap.get(p.info.name); 7757 7758 // Allow system apps to redefine non-system permissions 7759 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7760 final boolean currentOwnerIsSystem = (bp.perm != null 7761 && isSystemApp(bp.perm.owner)); 7762 if (isSystemApp(p.owner)) { 7763 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7764 // It's a built-in permission and no owner, take ownership now 7765 bp.packageSetting = pkgSetting; 7766 bp.perm = p; 7767 bp.uid = pkg.applicationInfo.uid; 7768 bp.sourcePackage = p.info.packageName; 7769 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7770 } else if (!currentOwnerIsSystem) { 7771 String msg = "New decl " + p.owner + " of permission " 7772 + p.info.name + " is system; overriding " + bp.sourcePackage; 7773 reportSettingsProblem(Log.WARN, msg); 7774 bp = null; 7775 } 7776 } 7777 } 7778 7779 if (bp == null) { 7780 bp = new BasePermission(p.info.name, p.info.packageName, 7781 BasePermission.TYPE_NORMAL); 7782 permissionMap.put(p.info.name, bp); 7783 } 7784 7785 if (bp.perm == null) { 7786 if (bp.sourcePackage == null 7787 || bp.sourcePackage.equals(p.info.packageName)) { 7788 BasePermission tree = findPermissionTreeLP(p.info.name); 7789 if (tree == null 7790 || tree.sourcePackage.equals(p.info.packageName)) { 7791 bp.packageSetting = pkgSetting; 7792 bp.perm = p; 7793 bp.uid = pkg.applicationInfo.uid; 7794 bp.sourcePackage = p.info.packageName; 7795 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7796 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7797 if (r == null) { 7798 r = new StringBuilder(256); 7799 } else { 7800 r.append(' '); 7801 } 7802 r.append(p.info.name); 7803 } 7804 } else { 7805 Slog.w(TAG, "Permission " + p.info.name + " from package " 7806 + p.info.packageName + " ignored: base tree " 7807 + tree.name + " is from package " 7808 + tree.sourcePackage); 7809 } 7810 } else { 7811 Slog.w(TAG, "Permission " + p.info.name + " from package " 7812 + p.info.packageName + " ignored: original from " 7813 + bp.sourcePackage); 7814 } 7815 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7816 if (r == null) { 7817 r = new StringBuilder(256); 7818 } else { 7819 r.append(' '); 7820 } 7821 r.append("DUP:"); 7822 r.append(p.info.name); 7823 } 7824 if (bp.perm == p) { 7825 bp.protectionLevel = p.info.protectionLevel; 7826 } 7827 } 7828 7829 if (r != null) { 7830 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7831 } 7832 7833 N = pkg.instrumentation.size(); 7834 r = null; 7835 for (i=0; i<N; i++) { 7836 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7837 a.info.packageName = pkg.applicationInfo.packageName; 7838 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7839 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7840 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7841 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7842 a.info.dataDir = pkg.applicationInfo.dataDir; 7843 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 7844 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 7845 7846 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7847 // need other information about the application, like the ABI and what not ? 7848 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7849 mInstrumentation.put(a.getComponentName(), a); 7850 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7851 if (r == null) { 7852 r = new StringBuilder(256); 7853 } else { 7854 r.append(' '); 7855 } 7856 r.append(a.info.name); 7857 } 7858 } 7859 if (r != null) { 7860 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7861 } 7862 7863 if (pkg.protectedBroadcasts != null) { 7864 N = pkg.protectedBroadcasts.size(); 7865 for (i=0; i<N; i++) { 7866 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7867 } 7868 } 7869 7870 pkgSetting.setTimeStamp(scanFileTime); 7871 7872 // Create idmap files for pairs of (packages, overlay packages). 7873 // Note: "android", ie framework-res.apk, is handled by native layers. 7874 if (pkg.mOverlayTarget != null) { 7875 // This is an overlay package. 7876 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7877 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7878 mOverlays.put(pkg.mOverlayTarget, 7879 new ArrayMap<String, PackageParser.Package>()); 7880 } 7881 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7882 map.put(pkg.packageName, pkg); 7883 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7884 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7885 createIdmapFailed = true; 7886 } 7887 } 7888 } else if (mOverlays.containsKey(pkg.packageName) && 7889 !pkg.packageName.equals("android")) { 7890 // This is a regular package, with one or more known overlay packages. 7891 createIdmapsForPackageLI(pkg); 7892 } 7893 } 7894 7895 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7896 7897 if (createIdmapFailed) { 7898 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7899 "scanPackageLI failed to createIdmap"); 7900 } 7901 return pkg; 7902 } 7903 7904 /** 7905 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7906 * is derived purely on the basis of the contents of {@code scanFile} and 7907 * {@code cpuAbiOverride}. 7908 * 7909 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7910 */ 7911 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7912 String cpuAbiOverride, boolean extractLibs) 7913 throws PackageManagerException { 7914 // TODO: We can probably be smarter about this stuff. For installed apps, 7915 // we can calculate this information at install time once and for all. For 7916 // system apps, we can probably assume that this information doesn't change 7917 // after the first boot scan. As things stand, we do lots of unnecessary work. 7918 7919 // Give ourselves some initial paths; we'll come back for another 7920 // pass once we've determined ABI below. 7921 setNativeLibraryPaths(pkg); 7922 7923 // We would never need to extract libs for forward-locked and external packages, 7924 // since the container service will do it for us. We shouldn't attempt to 7925 // extract libs from system app when it was not updated. 7926 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 7927 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 7928 extractLibs = false; 7929 } 7930 7931 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7932 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7933 7934 NativeLibraryHelper.Handle handle = null; 7935 try { 7936 handle = NativeLibraryHelper.Handle.create(pkg); 7937 // TODO(multiArch): This can be null for apps that didn't go through the 7938 // usual installation process. We can calculate it again, like we 7939 // do during install time. 7940 // 7941 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7942 // unnecessary. 7943 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7944 7945 // Null out the abis so that they can be recalculated. 7946 pkg.applicationInfo.primaryCpuAbi = null; 7947 pkg.applicationInfo.secondaryCpuAbi = null; 7948 if (isMultiArch(pkg.applicationInfo)) { 7949 // Warn if we've set an abiOverride for multi-lib packages.. 7950 // By definition, we need to copy both 32 and 64 bit libraries for 7951 // such packages. 7952 if (pkg.cpuAbiOverride != null 7953 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7954 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7955 } 7956 7957 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7958 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7959 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7960 if (extractLibs) { 7961 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7962 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7963 useIsaSpecificSubdirs); 7964 } else { 7965 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7966 } 7967 } 7968 7969 maybeThrowExceptionForMultiArchCopy( 7970 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7971 7972 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7973 if (extractLibs) { 7974 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7975 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7976 useIsaSpecificSubdirs); 7977 } else { 7978 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7979 } 7980 } 7981 7982 maybeThrowExceptionForMultiArchCopy( 7983 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7984 7985 if (abi64 >= 0) { 7986 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7987 } 7988 7989 if (abi32 >= 0) { 7990 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7991 if (abi64 >= 0) { 7992 pkg.applicationInfo.secondaryCpuAbi = abi; 7993 } else { 7994 pkg.applicationInfo.primaryCpuAbi = abi; 7995 } 7996 } 7997 } else { 7998 String[] abiList = (cpuAbiOverride != null) ? 7999 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8000 8001 // Enable gross and lame hacks for apps that are built with old 8002 // SDK tools. We must scan their APKs for renderscript bitcode and 8003 // not launch them if it's present. Don't bother checking on devices 8004 // that don't have 64 bit support. 8005 boolean needsRenderScriptOverride = false; 8006 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8007 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8008 abiList = Build.SUPPORTED_32_BIT_ABIS; 8009 needsRenderScriptOverride = true; 8010 } 8011 8012 final int copyRet; 8013 if (extractLibs) { 8014 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8015 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8016 } else { 8017 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8018 } 8019 8020 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8021 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8022 "Error unpackaging native libs for app, errorCode=" + copyRet); 8023 } 8024 8025 if (copyRet >= 0) { 8026 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8027 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8028 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8029 } else if (needsRenderScriptOverride) { 8030 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8031 } 8032 } 8033 } catch (IOException ioe) { 8034 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8035 } finally { 8036 IoUtils.closeQuietly(handle); 8037 } 8038 8039 // Now that we've calculated the ABIs and determined if it's an internal app, 8040 // we will go ahead and populate the nativeLibraryPath. 8041 setNativeLibraryPaths(pkg); 8042 } 8043 8044 /** 8045 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8046 * i.e, so that all packages can be run inside a single process if required. 8047 * 8048 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8049 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8050 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8051 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8052 * updating a package that belongs to a shared user. 8053 * 8054 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8055 * adds unnecessary complexity. 8056 */ 8057 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8058 PackageParser.Package scannedPackage, boolean bootComplete) { 8059 String requiredInstructionSet = null; 8060 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8061 requiredInstructionSet = VMRuntime.getInstructionSet( 8062 scannedPackage.applicationInfo.primaryCpuAbi); 8063 } 8064 8065 PackageSetting requirer = null; 8066 for (PackageSetting ps : packagesForUser) { 8067 // If packagesForUser contains scannedPackage, we skip it. This will happen 8068 // when scannedPackage is an update of an existing package. Without this check, 8069 // we will never be able to change the ABI of any package belonging to a shared 8070 // user, even if it's compatible with other packages. 8071 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8072 if (ps.primaryCpuAbiString == null) { 8073 continue; 8074 } 8075 8076 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8077 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8078 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8079 // this but there's not much we can do. 8080 String errorMessage = "Instruction set mismatch, " 8081 + ((requirer == null) ? "[caller]" : requirer) 8082 + " requires " + requiredInstructionSet + " whereas " + ps 8083 + " requires " + instructionSet; 8084 Slog.w(TAG, errorMessage); 8085 } 8086 8087 if (requiredInstructionSet == null) { 8088 requiredInstructionSet = instructionSet; 8089 requirer = ps; 8090 } 8091 } 8092 } 8093 8094 if (requiredInstructionSet != null) { 8095 String adjustedAbi; 8096 if (requirer != null) { 8097 // requirer != null implies that either scannedPackage was null or that scannedPackage 8098 // did not require an ABI, in which case we have to adjust scannedPackage to match 8099 // the ABI of the set (which is the same as requirer's ABI) 8100 adjustedAbi = requirer.primaryCpuAbiString; 8101 if (scannedPackage != null) { 8102 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8103 } 8104 } else { 8105 // requirer == null implies that we're updating all ABIs in the set to 8106 // match scannedPackage. 8107 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8108 } 8109 8110 for (PackageSetting ps : packagesForUser) { 8111 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8112 if (ps.primaryCpuAbiString != null) { 8113 continue; 8114 } 8115 8116 ps.primaryCpuAbiString = adjustedAbi; 8117 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 8118 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8119 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi); 8120 mInstaller.rmdex(ps.codePathString, 8121 getDexCodeInstructionSet(getPreferredInstructionSet())); 8122 } 8123 } 8124 } 8125 } 8126 } 8127 8128 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8129 synchronized (mPackages) { 8130 mResolverReplaced = true; 8131 // Set up information for custom user intent resolution activity. 8132 mResolveActivity.applicationInfo = pkg.applicationInfo; 8133 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8134 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8135 mResolveActivity.processName = pkg.applicationInfo.packageName; 8136 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8137 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8138 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8139 mResolveActivity.theme = 0; 8140 mResolveActivity.exported = true; 8141 mResolveActivity.enabled = true; 8142 mResolveInfo.activityInfo = mResolveActivity; 8143 mResolveInfo.priority = 0; 8144 mResolveInfo.preferredOrder = 0; 8145 mResolveInfo.match = 0; 8146 mResolveComponentName = mCustomResolverComponentName; 8147 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8148 mResolveComponentName); 8149 } 8150 } 8151 8152 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8153 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8154 8155 // Set up information for ephemeral installer activity 8156 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8157 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8158 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8159 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8160 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8161 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8162 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8163 mEphemeralInstallerActivity.theme = 0; 8164 mEphemeralInstallerActivity.exported = true; 8165 mEphemeralInstallerActivity.enabled = true; 8166 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8167 mEphemeralInstallerInfo.priority = 0; 8168 mEphemeralInstallerInfo.preferredOrder = 0; 8169 mEphemeralInstallerInfo.match = 0; 8170 8171 if (DEBUG_EPHEMERAL) { 8172 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8173 } 8174 } 8175 8176 private static String calculateBundledApkRoot(final String codePathString) { 8177 final File codePath = new File(codePathString); 8178 final File codeRoot; 8179 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8180 codeRoot = Environment.getRootDirectory(); 8181 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8182 codeRoot = Environment.getOemDirectory(); 8183 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8184 codeRoot = Environment.getVendorDirectory(); 8185 } else { 8186 // Unrecognized code path; take its top real segment as the apk root: 8187 // e.g. /something/app/blah.apk => /something 8188 try { 8189 File f = codePath.getCanonicalFile(); 8190 File parent = f.getParentFile(); // non-null because codePath is a file 8191 File tmp; 8192 while ((tmp = parent.getParentFile()) != null) { 8193 f = parent; 8194 parent = tmp; 8195 } 8196 codeRoot = f; 8197 Slog.w(TAG, "Unrecognized code path " 8198 + codePath + " - using " + codeRoot); 8199 } catch (IOException e) { 8200 // Can't canonicalize the code path -- shenanigans? 8201 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8202 return Environment.getRootDirectory().getPath(); 8203 } 8204 } 8205 return codeRoot.getPath(); 8206 } 8207 8208 /** 8209 * Derive and set the location of native libraries for the given package, 8210 * which varies depending on where and how the package was installed. 8211 */ 8212 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8213 final ApplicationInfo info = pkg.applicationInfo; 8214 final String codePath = pkg.codePath; 8215 final File codeFile = new File(codePath); 8216 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8217 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8218 8219 info.nativeLibraryRootDir = null; 8220 info.nativeLibraryRootRequiresIsa = false; 8221 info.nativeLibraryDir = null; 8222 info.secondaryNativeLibraryDir = null; 8223 8224 if (isApkFile(codeFile)) { 8225 // Monolithic install 8226 if (bundledApp) { 8227 // If "/system/lib64/apkname" exists, assume that is the per-package 8228 // native library directory to use; otherwise use "/system/lib/apkname". 8229 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8230 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8231 getPrimaryInstructionSet(info)); 8232 8233 // This is a bundled system app so choose the path based on the ABI. 8234 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8235 // is just the default path. 8236 final String apkName = deriveCodePathName(codePath); 8237 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8238 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8239 apkName).getAbsolutePath(); 8240 8241 if (info.secondaryCpuAbi != null) { 8242 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8243 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8244 secondaryLibDir, apkName).getAbsolutePath(); 8245 } 8246 } else if (asecApp) { 8247 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8248 .getAbsolutePath(); 8249 } else { 8250 final String apkName = deriveCodePathName(codePath); 8251 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8252 .getAbsolutePath(); 8253 } 8254 8255 info.nativeLibraryRootRequiresIsa = false; 8256 info.nativeLibraryDir = info.nativeLibraryRootDir; 8257 } else { 8258 // Cluster install 8259 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8260 info.nativeLibraryRootRequiresIsa = true; 8261 8262 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8263 getPrimaryInstructionSet(info)).getAbsolutePath(); 8264 8265 if (info.secondaryCpuAbi != null) { 8266 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8267 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8268 } 8269 } 8270 } 8271 8272 /** 8273 * Calculate the abis and roots for a bundled app. These can uniquely 8274 * be determined from the contents of the system partition, i.e whether 8275 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8276 * of this information, and instead assume that the system was built 8277 * sensibly. 8278 */ 8279 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8280 PackageSetting pkgSetting) { 8281 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8282 8283 // If "/system/lib64/apkname" exists, assume that is the per-package 8284 // native library directory to use; otherwise use "/system/lib/apkname". 8285 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8286 setBundledAppAbi(pkg, apkRoot, apkName); 8287 // pkgSetting might be null during rescan following uninstall of updates 8288 // to a bundled app, so accommodate that possibility. The settings in 8289 // that case will be established later from the parsed package. 8290 // 8291 // If the settings aren't null, sync them up with what we've just derived. 8292 // note that apkRoot isn't stored in the package settings. 8293 if (pkgSetting != null) { 8294 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8295 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8296 } 8297 } 8298 8299 /** 8300 * Deduces the ABI of a bundled app and sets the relevant fields on the 8301 * parsed pkg object. 8302 * 8303 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8304 * under which system libraries are installed. 8305 * @param apkName the name of the installed package. 8306 */ 8307 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8308 final File codeFile = new File(pkg.codePath); 8309 8310 final boolean has64BitLibs; 8311 final boolean has32BitLibs; 8312 if (isApkFile(codeFile)) { 8313 // Monolithic install 8314 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8315 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8316 } else { 8317 // Cluster install 8318 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8319 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8320 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8321 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8322 has64BitLibs = (new File(rootDir, isa)).exists(); 8323 } else { 8324 has64BitLibs = false; 8325 } 8326 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8327 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8328 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8329 has32BitLibs = (new File(rootDir, isa)).exists(); 8330 } else { 8331 has32BitLibs = false; 8332 } 8333 } 8334 8335 if (has64BitLibs && !has32BitLibs) { 8336 // The package has 64 bit libs, but not 32 bit libs. Its primary 8337 // ABI should be 64 bit. We can safely assume here that the bundled 8338 // native libraries correspond to the most preferred ABI in the list. 8339 8340 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8341 pkg.applicationInfo.secondaryCpuAbi = null; 8342 } else if (has32BitLibs && !has64BitLibs) { 8343 // The package has 32 bit libs but not 64 bit libs. Its primary 8344 // ABI should be 32 bit. 8345 8346 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8347 pkg.applicationInfo.secondaryCpuAbi = null; 8348 } else if (has32BitLibs && has64BitLibs) { 8349 // The application has both 64 and 32 bit bundled libraries. We check 8350 // here that the app declares multiArch support, and warn if it doesn't. 8351 // 8352 // We will be lenient here and record both ABIs. The primary will be the 8353 // ABI that's higher on the list, i.e, a device that's configured to prefer 8354 // 64 bit apps will see a 64 bit primary ABI, 8355 8356 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8357 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8358 } 8359 8360 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8361 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8362 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8363 } else { 8364 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8365 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8366 } 8367 } else { 8368 pkg.applicationInfo.primaryCpuAbi = null; 8369 pkg.applicationInfo.secondaryCpuAbi = null; 8370 } 8371 } 8372 8373 private void killApplication(String pkgName, int appId, String reason) { 8374 // Request the ActivityManager to kill the process(only for existing packages) 8375 // so that we do not end up in a confused state while the user is still using the older 8376 // version of the application while the new one gets installed. 8377 IActivityManager am = ActivityManagerNative.getDefault(); 8378 if (am != null) { 8379 try { 8380 am.killApplicationWithAppId(pkgName, appId, reason); 8381 } catch (RemoteException e) { 8382 } 8383 } 8384 } 8385 8386 void removePackageLI(PackageSetting ps, boolean chatty) { 8387 if (DEBUG_INSTALL) { 8388 if (chatty) 8389 Log.d(TAG, "Removing package " + ps.name); 8390 } 8391 8392 // writer 8393 synchronized (mPackages) { 8394 mPackages.remove(ps.name); 8395 final PackageParser.Package pkg = ps.pkg; 8396 if (pkg != null) { 8397 cleanPackageDataStructuresLILPw(pkg, chatty); 8398 } 8399 } 8400 } 8401 8402 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8403 if (DEBUG_INSTALL) { 8404 if (chatty) 8405 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8406 } 8407 8408 // writer 8409 synchronized (mPackages) { 8410 mPackages.remove(pkg.applicationInfo.packageName); 8411 cleanPackageDataStructuresLILPw(pkg, chatty); 8412 } 8413 } 8414 8415 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8416 int N = pkg.providers.size(); 8417 StringBuilder r = null; 8418 int i; 8419 for (i=0; i<N; i++) { 8420 PackageParser.Provider p = pkg.providers.get(i); 8421 mProviders.removeProvider(p); 8422 if (p.info.authority == null) { 8423 8424 /* There was another ContentProvider with this authority when 8425 * this app was installed so this authority is null, 8426 * Ignore it as we don't have to unregister the provider. 8427 */ 8428 continue; 8429 } 8430 String names[] = p.info.authority.split(";"); 8431 for (int j = 0; j < names.length; j++) { 8432 if (mProvidersByAuthority.get(names[j]) == p) { 8433 mProvidersByAuthority.remove(names[j]); 8434 if (DEBUG_REMOVE) { 8435 if (chatty) 8436 Log.d(TAG, "Unregistered content provider: " + names[j] 8437 + ", className = " + p.info.name + ", isSyncable = " 8438 + p.info.isSyncable); 8439 } 8440 } 8441 } 8442 if (DEBUG_REMOVE && chatty) { 8443 if (r == null) { 8444 r = new StringBuilder(256); 8445 } else { 8446 r.append(' '); 8447 } 8448 r.append(p.info.name); 8449 } 8450 } 8451 if (r != null) { 8452 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8453 } 8454 8455 N = pkg.services.size(); 8456 r = null; 8457 for (i=0; i<N; i++) { 8458 PackageParser.Service s = pkg.services.get(i); 8459 mServices.removeService(s); 8460 if (chatty) { 8461 if (r == null) { 8462 r = new StringBuilder(256); 8463 } else { 8464 r.append(' '); 8465 } 8466 r.append(s.info.name); 8467 } 8468 } 8469 if (r != null) { 8470 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8471 } 8472 8473 N = pkg.receivers.size(); 8474 r = null; 8475 for (i=0; i<N; i++) { 8476 PackageParser.Activity a = pkg.receivers.get(i); 8477 mReceivers.removeActivity(a, "receiver"); 8478 if (DEBUG_REMOVE && chatty) { 8479 if (r == null) { 8480 r = new StringBuilder(256); 8481 } else { 8482 r.append(' '); 8483 } 8484 r.append(a.info.name); 8485 } 8486 } 8487 if (r != null) { 8488 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8489 } 8490 8491 N = pkg.activities.size(); 8492 r = null; 8493 for (i=0; i<N; i++) { 8494 PackageParser.Activity a = pkg.activities.get(i); 8495 mActivities.removeActivity(a, "activity"); 8496 if (DEBUG_REMOVE && chatty) { 8497 if (r == null) { 8498 r = new StringBuilder(256); 8499 } else { 8500 r.append(' '); 8501 } 8502 r.append(a.info.name); 8503 } 8504 } 8505 if (r != null) { 8506 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8507 } 8508 8509 N = pkg.permissions.size(); 8510 r = null; 8511 for (i=0; i<N; i++) { 8512 PackageParser.Permission p = pkg.permissions.get(i); 8513 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8514 if (bp == null) { 8515 bp = mSettings.mPermissionTrees.get(p.info.name); 8516 } 8517 if (bp != null && bp.perm == p) { 8518 bp.perm = null; 8519 if (DEBUG_REMOVE && chatty) { 8520 if (r == null) { 8521 r = new StringBuilder(256); 8522 } else { 8523 r.append(' '); 8524 } 8525 r.append(p.info.name); 8526 } 8527 } 8528 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8529 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 8530 if (appOpPkgs != null) { 8531 appOpPkgs.remove(pkg.packageName); 8532 } 8533 } 8534 } 8535 if (r != null) { 8536 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8537 } 8538 8539 N = pkg.requestedPermissions.size(); 8540 r = null; 8541 for (i=0; i<N; i++) { 8542 String perm = pkg.requestedPermissions.get(i); 8543 BasePermission bp = mSettings.mPermissions.get(perm); 8544 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8545 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 8546 if (appOpPkgs != null) { 8547 appOpPkgs.remove(pkg.packageName); 8548 if (appOpPkgs.isEmpty()) { 8549 mAppOpPermissionPackages.remove(perm); 8550 } 8551 } 8552 } 8553 } 8554 if (r != null) { 8555 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8556 } 8557 8558 N = pkg.instrumentation.size(); 8559 r = null; 8560 for (i=0; i<N; i++) { 8561 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8562 mInstrumentation.remove(a.getComponentName()); 8563 if (DEBUG_REMOVE && chatty) { 8564 if (r == null) { 8565 r = new StringBuilder(256); 8566 } else { 8567 r.append(' '); 8568 } 8569 r.append(a.info.name); 8570 } 8571 } 8572 if (r != null) { 8573 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8574 } 8575 8576 r = null; 8577 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8578 // Only system apps can hold shared libraries. 8579 if (pkg.libraryNames != null) { 8580 for (i=0; i<pkg.libraryNames.size(); i++) { 8581 String name = pkg.libraryNames.get(i); 8582 SharedLibraryEntry cur = mSharedLibraries.get(name); 8583 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8584 mSharedLibraries.remove(name); 8585 if (DEBUG_REMOVE && chatty) { 8586 if (r == null) { 8587 r = new StringBuilder(256); 8588 } else { 8589 r.append(' '); 8590 } 8591 r.append(name); 8592 } 8593 } 8594 } 8595 } 8596 } 8597 if (r != null) { 8598 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8599 } 8600 } 8601 8602 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8603 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8604 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8605 return true; 8606 } 8607 } 8608 return false; 8609 } 8610 8611 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8612 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8613 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8614 8615 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 8616 int flags) { 8617 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 8618 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 8619 } 8620 8621 private void updatePermissionsLPw(String changingPkg, 8622 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 8623 // Make sure there are no dangling permission trees. 8624 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8625 while (it.hasNext()) { 8626 final BasePermission bp = it.next(); 8627 if (bp.packageSetting == null) { 8628 // We may not yet have parsed the package, so just see if 8629 // we still know about its settings. 8630 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8631 } 8632 if (bp.packageSetting == null) { 8633 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8634 + " from package " + bp.sourcePackage); 8635 it.remove(); 8636 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8637 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8638 Slog.i(TAG, "Removing old permission tree: " + bp.name 8639 + " from package " + bp.sourcePackage); 8640 flags |= UPDATE_PERMISSIONS_ALL; 8641 it.remove(); 8642 } 8643 } 8644 } 8645 8646 // Make sure all dynamic permissions have been assigned to a package, 8647 // and make sure there are no dangling permissions. 8648 it = mSettings.mPermissions.values().iterator(); 8649 while (it.hasNext()) { 8650 final BasePermission bp = it.next(); 8651 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8652 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8653 + bp.name + " pkg=" + bp.sourcePackage 8654 + " info=" + bp.pendingInfo); 8655 if (bp.packageSetting == null && bp.pendingInfo != null) { 8656 final BasePermission tree = findPermissionTreeLP(bp.name); 8657 if (tree != null && tree.perm != null) { 8658 bp.packageSetting = tree.packageSetting; 8659 bp.perm = new PackageParser.Permission(tree.perm.owner, 8660 new PermissionInfo(bp.pendingInfo)); 8661 bp.perm.info.packageName = tree.perm.info.packageName; 8662 bp.perm.info.name = bp.name; 8663 bp.uid = tree.uid; 8664 } 8665 } 8666 } 8667 if (bp.packageSetting == null) { 8668 // We may not yet have parsed the package, so just see if 8669 // we still know about its settings. 8670 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8671 } 8672 if (bp.packageSetting == null) { 8673 Slog.w(TAG, "Removing dangling permission: " + bp.name 8674 + " from package " + bp.sourcePackage); 8675 it.remove(); 8676 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8677 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8678 Slog.i(TAG, "Removing old permission: " + bp.name 8679 + " from package " + bp.sourcePackage); 8680 flags |= UPDATE_PERMISSIONS_ALL; 8681 it.remove(); 8682 } 8683 } 8684 } 8685 8686 // Now update the permissions for all packages, in particular 8687 // replace the granted permissions of the system packages. 8688 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8689 for (PackageParser.Package pkg : mPackages.values()) { 8690 if (pkg != pkgInfo) { 8691 // Only replace for packages on requested volume 8692 final String volumeUuid = getVolumeUuidForPackage(pkg); 8693 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 8694 && Objects.equals(replaceVolumeUuid, volumeUuid); 8695 grantPermissionsLPw(pkg, replace, changingPkg); 8696 } 8697 } 8698 } 8699 8700 if (pkgInfo != null) { 8701 // Only replace for packages on requested volume 8702 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 8703 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 8704 && Objects.equals(replaceVolumeUuid, volumeUuid); 8705 grantPermissionsLPw(pkgInfo, replace, changingPkg); 8706 } 8707 } 8708 8709 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8710 String packageOfInterest) { 8711 // IMPORTANT: There are two types of permissions: install and runtime. 8712 // Install time permissions are granted when the app is installed to 8713 // all device users and users added in the future. Runtime permissions 8714 // are granted at runtime explicitly to specific users. Normal and signature 8715 // protected permissions are install time permissions. Dangerous permissions 8716 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8717 // otherwise they are runtime permissions. This function does not manage 8718 // runtime permissions except for the case an app targeting Lollipop MR1 8719 // being upgraded to target a newer SDK, in which case dangerous permissions 8720 // are transformed from install time to runtime ones. 8721 8722 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8723 if (ps == null) { 8724 return; 8725 } 8726 8727 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 8728 8729 PermissionsState permissionsState = ps.getPermissionsState(); 8730 PermissionsState origPermissions = permissionsState; 8731 8732 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8733 8734 boolean runtimePermissionsRevoked = false; 8735 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8736 8737 boolean changedInstallPermission = false; 8738 8739 if (replace) { 8740 ps.installPermissionsFixed = false; 8741 if (!ps.isSharedUser()) { 8742 origPermissions = new PermissionsState(permissionsState); 8743 permissionsState.reset(); 8744 } else { 8745 // We need to know only about runtime permission changes since the 8746 // calling code always writes the install permissions state but 8747 // the runtime ones are written only if changed. The only cases of 8748 // changed runtime permissions here are promotion of an install to 8749 // runtime and revocation of a runtime from a shared user. 8750 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 8751 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 8752 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 8753 runtimePermissionsRevoked = true; 8754 } 8755 } 8756 } 8757 8758 permissionsState.setGlobalGids(mGlobalGids); 8759 8760 final int N = pkg.requestedPermissions.size(); 8761 for (int i=0; i<N; i++) { 8762 final String name = pkg.requestedPermissions.get(i); 8763 final BasePermission bp = mSettings.mPermissions.get(name); 8764 8765 if (DEBUG_INSTALL) { 8766 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8767 } 8768 8769 if (bp == null || bp.packageSetting == null) { 8770 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8771 Slog.w(TAG, "Unknown permission " + name 8772 + " in package " + pkg.packageName); 8773 } 8774 continue; 8775 } 8776 8777 final String perm = bp.name; 8778 boolean allowedSig = false; 8779 int grant = GRANT_DENIED; 8780 8781 // Keep track of app op permissions. 8782 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8783 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8784 if (pkgs == null) { 8785 pkgs = new ArraySet<>(); 8786 mAppOpPermissionPackages.put(bp.name, pkgs); 8787 } 8788 pkgs.add(pkg.packageName); 8789 } 8790 8791 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8792 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 8793 >= Build.VERSION_CODES.M; 8794 switch (level) { 8795 case PermissionInfo.PROTECTION_NORMAL: { 8796 // For all apps normal permissions are install time ones. 8797 grant = GRANT_INSTALL; 8798 } break; 8799 8800 case PermissionInfo.PROTECTION_DANGEROUS: { 8801 // If a permission review is required for legacy apps we represent 8802 // their permissions as always granted runtime ones since we need 8803 // to keep the review required permission flag per user while an 8804 // install permission's state is shared across all users. 8805 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 8806 // For legacy apps dangerous permissions are install time ones. 8807 grant = GRANT_INSTALL; 8808 } else if (origPermissions.hasInstallPermission(bp.name)) { 8809 // For legacy apps that became modern, install becomes runtime. 8810 grant = GRANT_UPGRADE; 8811 } else if (mPromoteSystemApps 8812 && isSystemApp(ps) 8813 && mExistingSystemPackages.contains(ps.name)) { 8814 // For legacy system apps, install becomes runtime. 8815 // We cannot check hasInstallPermission() for system apps since those 8816 // permissions were granted implicitly and not persisted pre-M. 8817 grant = GRANT_UPGRADE; 8818 } else { 8819 // For modern apps keep runtime permissions unchanged. 8820 grant = GRANT_RUNTIME; 8821 } 8822 } break; 8823 8824 case PermissionInfo.PROTECTION_SIGNATURE: { 8825 // For all apps signature permissions are install time ones. 8826 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8827 if (allowedSig) { 8828 grant = GRANT_INSTALL; 8829 } 8830 } break; 8831 } 8832 8833 if (DEBUG_INSTALL) { 8834 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8835 } 8836 8837 if (grant != GRANT_DENIED) { 8838 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8839 // If this is an existing, non-system package, then 8840 // we can't add any new permissions to it. 8841 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8842 // Except... if this is a permission that was added 8843 // to the platform (note: need to only do this when 8844 // updating the platform). 8845 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8846 grant = GRANT_DENIED; 8847 } 8848 } 8849 } 8850 8851 switch (grant) { 8852 case GRANT_INSTALL: { 8853 // Revoke this as runtime permission to handle the case of 8854 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 8855 for (int userId : UserManagerService.getInstance().getUserIds()) { 8856 if (origPermissions.getRuntimePermissionState( 8857 bp.name, userId) != null) { 8858 // Revoke the runtime permission and clear the flags. 8859 origPermissions.revokeRuntimePermission(bp, userId); 8860 origPermissions.updatePermissionFlags(bp, userId, 8861 PackageManager.MASK_PERMISSION_FLAGS, 0); 8862 // If we revoked a permission permission, we have to write. 8863 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8864 changedRuntimePermissionUserIds, userId); 8865 } 8866 } 8867 // Grant an install permission. 8868 if (permissionsState.grantInstallPermission(bp) != 8869 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8870 changedInstallPermission = true; 8871 } 8872 } break; 8873 8874 case GRANT_RUNTIME: { 8875 // Grant previously granted runtime permissions. 8876 for (int userId : UserManagerService.getInstance().getUserIds()) { 8877 PermissionState permissionState = origPermissions 8878 .getRuntimePermissionState(bp.name, userId); 8879 int flags = permissionState != null 8880 ? permissionState.getFlags() : 0; 8881 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8882 if (permissionsState.grantRuntimePermission(bp, userId) == 8883 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8884 // If we cannot put the permission as it was, we have to write. 8885 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8886 changedRuntimePermissionUserIds, userId); 8887 } 8888 // If the app supports runtime permissions no need for a review. 8889 if (Build.PERMISSIONS_REVIEW_REQUIRED 8890 && appSupportsRuntimePermissions 8891 && (flags & PackageManager 8892 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 8893 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 8894 // Since we changed the flags, we have to write. 8895 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8896 changedRuntimePermissionUserIds, userId); 8897 } 8898 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 8899 && !appSupportsRuntimePermissions) { 8900 // For legacy apps that need a permission review, every new 8901 // runtime permission is granted but it is pending a review. 8902 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 8903 permissionsState.grantRuntimePermission(bp, userId); 8904 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 8905 // We changed the permission and flags, hence have to write. 8906 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8907 changedRuntimePermissionUserIds, userId); 8908 } 8909 } 8910 // Propagate the permission flags. 8911 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8912 } 8913 } break; 8914 8915 case GRANT_UPGRADE: { 8916 // Grant runtime permissions for a previously held install permission. 8917 PermissionState permissionState = origPermissions 8918 .getInstallPermissionState(bp.name); 8919 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8920 8921 if (origPermissions.revokeInstallPermission(bp) 8922 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8923 // We will be transferring the permission flags, so clear them. 8924 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8925 PackageManager.MASK_PERMISSION_FLAGS, 0); 8926 changedInstallPermission = true; 8927 } 8928 8929 // If the permission is not to be promoted to runtime we ignore it and 8930 // also its other flags as they are not applicable to install permissions. 8931 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8932 for (int userId : currentUserIds) { 8933 if (permissionsState.grantRuntimePermission(bp, userId) != 8934 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8935 // Transfer the permission flags. 8936 permissionsState.updatePermissionFlags(bp, userId, 8937 flags, flags); 8938 // If we granted the permission, we have to write. 8939 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8940 changedRuntimePermissionUserIds, userId); 8941 } 8942 } 8943 } 8944 } break; 8945 8946 default: { 8947 if (packageOfInterest == null 8948 || packageOfInterest.equals(pkg.packageName)) { 8949 Slog.w(TAG, "Not granting permission " + perm 8950 + " to package " + pkg.packageName 8951 + " because it was previously installed without"); 8952 } 8953 } break; 8954 } 8955 } else { 8956 if (permissionsState.revokeInstallPermission(bp) != 8957 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8958 // Also drop the permission flags. 8959 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8960 PackageManager.MASK_PERMISSION_FLAGS, 0); 8961 changedInstallPermission = true; 8962 Slog.i(TAG, "Un-granting permission " + perm 8963 + " from package " + pkg.packageName 8964 + " (protectionLevel=" + bp.protectionLevel 8965 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8966 + ")"); 8967 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8968 // Don't print warning for app op permissions, since it is fine for them 8969 // not to be granted, there is a UI for the user to decide. 8970 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8971 Slog.w(TAG, "Not granting permission " + perm 8972 + " to package " + pkg.packageName 8973 + " (protectionLevel=" + bp.protectionLevel 8974 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8975 + ")"); 8976 } 8977 } 8978 } 8979 } 8980 8981 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8982 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8983 // This is the first that we have heard about this package, so the 8984 // permissions we have now selected are fixed until explicitly 8985 // changed. 8986 ps.installPermissionsFixed = true; 8987 } 8988 8989 // Persist the runtime permissions state for users with changes. If permissions 8990 // were revoked because no app in the shared user declares them we have to 8991 // write synchronously to avoid losing runtime permissions state. 8992 for (int userId : changedRuntimePermissionUserIds) { 8993 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 8994 } 8995 8996 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8997 } 8998 8999 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9000 boolean allowed = false; 9001 final int NP = PackageParser.NEW_PERMISSIONS.length; 9002 for (int ip=0; ip<NP; ip++) { 9003 final PackageParser.NewPermissionInfo npi 9004 = PackageParser.NEW_PERMISSIONS[ip]; 9005 if (npi.name.equals(perm) 9006 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9007 allowed = true; 9008 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9009 + pkg.packageName); 9010 break; 9011 } 9012 } 9013 return allowed; 9014 } 9015 9016 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9017 BasePermission bp, PermissionsState origPermissions) { 9018 boolean allowed; 9019 allowed = (compareSignatures( 9020 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9021 == PackageManager.SIGNATURE_MATCH) 9022 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9023 == PackageManager.SIGNATURE_MATCH); 9024 if (!allowed && (bp.protectionLevel 9025 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9026 if (isSystemApp(pkg)) { 9027 // For updated system applications, a system permission 9028 // is granted only if it had been defined by the original application. 9029 if (pkg.isUpdatedSystemApp()) { 9030 final PackageSetting sysPs = mSettings 9031 .getDisabledSystemPkgLPr(pkg.packageName); 9032 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 9033 // If the original was granted this permission, we take 9034 // that grant decision as read and propagate it to the 9035 // update. 9036 if (sysPs.isPrivileged()) { 9037 allowed = true; 9038 } 9039 } else { 9040 // The system apk may have been updated with an older 9041 // version of the one on the data partition, but which 9042 // granted a new system permission that it didn't have 9043 // before. In this case we do want to allow the app to 9044 // now get the new permission if the ancestral apk is 9045 // privileged to get it. 9046 if (sysPs.pkg != null && sysPs.isPrivileged()) { 9047 for (int j=0; 9048 j<sysPs.pkg.requestedPermissions.size(); j++) { 9049 if (perm.equals( 9050 sysPs.pkg.requestedPermissions.get(j))) { 9051 allowed = true; 9052 break; 9053 } 9054 } 9055 } 9056 } 9057 } else { 9058 allowed = isPrivilegedApp(pkg); 9059 } 9060 } 9061 } 9062 if (!allowed) { 9063 if (!allowed && (bp.protectionLevel 9064 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9065 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9066 // If this was a previously normal/dangerous permission that got moved 9067 // to a system permission as part of the runtime permission redesign, then 9068 // we still want to blindly grant it to old apps. 9069 allowed = true; 9070 } 9071 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9072 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9073 // If this permission is to be granted to the system installer and 9074 // this app is an installer, then it gets the permission. 9075 allowed = true; 9076 } 9077 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9078 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9079 // If this permission is to be granted to the system verifier and 9080 // this app is a verifier, then it gets the permission. 9081 allowed = true; 9082 } 9083 if (!allowed && (bp.protectionLevel 9084 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9085 && isSystemApp(pkg)) { 9086 // Any pre-installed system app is allowed to get this permission. 9087 allowed = true; 9088 } 9089 if (!allowed && (bp.protectionLevel 9090 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9091 // For development permissions, a development permission 9092 // is granted only if it was already granted. 9093 allowed = origPermissions.hasInstallPermission(perm); 9094 } 9095 } 9096 return allowed; 9097 } 9098 9099 final class ActivityIntentResolver 9100 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9101 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9102 boolean defaultOnly, int userId) { 9103 if (!sUserManager.exists(userId)) return null; 9104 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9105 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9106 } 9107 9108 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9109 int userId) { 9110 if (!sUserManager.exists(userId)) return null; 9111 mFlags = flags; 9112 return super.queryIntent(intent, resolvedType, 9113 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9114 } 9115 9116 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9117 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9118 if (!sUserManager.exists(userId)) return null; 9119 if (packageActivities == null) { 9120 return null; 9121 } 9122 mFlags = flags; 9123 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9124 final int N = packageActivities.size(); 9125 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9126 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9127 9128 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9129 for (int i = 0; i < N; ++i) { 9130 intentFilters = packageActivities.get(i).intents; 9131 if (intentFilters != null && intentFilters.size() > 0) { 9132 PackageParser.ActivityIntentInfo[] array = 9133 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9134 intentFilters.toArray(array); 9135 listCut.add(array); 9136 } 9137 } 9138 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9139 } 9140 9141 public final void addActivity(PackageParser.Activity a, String type) { 9142 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9143 mActivities.put(a.getComponentName(), a); 9144 if (DEBUG_SHOW_INFO) 9145 Log.v( 9146 TAG, " " + type + " " + 9147 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9148 if (DEBUG_SHOW_INFO) 9149 Log.v(TAG, " Class=" + a.info.name); 9150 final int NI = a.intents.size(); 9151 for (int j=0; j<NI; j++) { 9152 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9153 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9154 intent.setPriority(0); 9155 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9156 + a.className + " with priority > 0, forcing to 0"); 9157 } 9158 if (DEBUG_SHOW_INFO) { 9159 Log.v(TAG, " IntentFilter:"); 9160 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9161 } 9162 if (!intent.debugCheck()) { 9163 Log.w(TAG, "==> For Activity " + a.info.name); 9164 } 9165 addFilter(intent); 9166 } 9167 } 9168 9169 public final void removeActivity(PackageParser.Activity a, String type) { 9170 mActivities.remove(a.getComponentName()); 9171 if (DEBUG_SHOW_INFO) { 9172 Log.v(TAG, " " + type + " " 9173 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9174 : a.info.name) + ":"); 9175 Log.v(TAG, " Class=" + a.info.name); 9176 } 9177 final int NI = a.intents.size(); 9178 for (int j=0; j<NI; j++) { 9179 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9180 if (DEBUG_SHOW_INFO) { 9181 Log.v(TAG, " IntentFilter:"); 9182 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9183 } 9184 removeFilter(intent); 9185 } 9186 } 9187 9188 @Override 9189 protected boolean allowFilterResult( 9190 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9191 ActivityInfo filterAi = filter.activity.info; 9192 for (int i=dest.size()-1; i>=0; i--) { 9193 ActivityInfo destAi = dest.get(i).activityInfo; 9194 if (destAi.name == filterAi.name 9195 && destAi.packageName == filterAi.packageName) { 9196 return false; 9197 } 9198 } 9199 return true; 9200 } 9201 9202 @Override 9203 protected ActivityIntentInfo[] newArray(int size) { 9204 return new ActivityIntentInfo[size]; 9205 } 9206 9207 @Override 9208 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9209 if (!sUserManager.exists(userId)) return true; 9210 PackageParser.Package p = filter.activity.owner; 9211 if (p != null) { 9212 PackageSetting ps = (PackageSetting)p.mExtras; 9213 if (ps != null) { 9214 // System apps are never considered stopped for purposes of 9215 // filtering, because there may be no way for the user to 9216 // actually re-launch them. 9217 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9218 && ps.getStopped(userId); 9219 } 9220 } 9221 return false; 9222 } 9223 9224 @Override 9225 protected boolean isPackageForFilter(String packageName, 9226 PackageParser.ActivityIntentInfo info) { 9227 return packageName.equals(info.activity.owner.packageName); 9228 } 9229 9230 @Override 9231 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9232 int match, int userId) { 9233 if (!sUserManager.exists(userId)) return null; 9234 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9235 return null; 9236 } 9237 final PackageParser.Activity activity = info.activity; 9238 if (mSafeMode && (activity.info.applicationInfo.flags 9239 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9240 return null; 9241 } 9242 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9243 if (ps == null) { 9244 return null; 9245 } 9246 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9247 ps.readUserState(userId), userId); 9248 if (ai == null) { 9249 return null; 9250 } 9251 final ResolveInfo res = new ResolveInfo(); 9252 res.activityInfo = ai; 9253 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9254 res.filter = info; 9255 } 9256 if (info != null) { 9257 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9258 } 9259 res.priority = info.getPriority(); 9260 res.preferredOrder = activity.owner.mPreferredOrder; 9261 //System.out.println("Result: " + res.activityInfo.className + 9262 // " = " + res.priority); 9263 res.match = match; 9264 res.isDefault = info.hasDefault; 9265 res.labelRes = info.labelRes; 9266 res.nonLocalizedLabel = info.nonLocalizedLabel; 9267 if (userNeedsBadging(userId)) { 9268 res.noResourceId = true; 9269 } else { 9270 res.icon = info.icon; 9271 } 9272 res.iconResourceId = info.icon; 9273 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9274 return res; 9275 } 9276 9277 @Override 9278 protected void sortResults(List<ResolveInfo> results) { 9279 Collections.sort(results, mResolvePrioritySorter); 9280 } 9281 9282 @Override 9283 protected void dumpFilter(PrintWriter out, String prefix, 9284 PackageParser.ActivityIntentInfo filter) { 9285 out.print(prefix); out.print( 9286 Integer.toHexString(System.identityHashCode(filter.activity))); 9287 out.print(' '); 9288 filter.activity.printComponentShortName(out); 9289 out.print(" filter "); 9290 out.println(Integer.toHexString(System.identityHashCode(filter))); 9291 } 9292 9293 @Override 9294 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9295 return filter.activity; 9296 } 9297 9298 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9299 PackageParser.Activity activity = (PackageParser.Activity)label; 9300 out.print(prefix); out.print( 9301 Integer.toHexString(System.identityHashCode(activity))); 9302 out.print(' '); 9303 activity.printComponentShortName(out); 9304 if (count > 1) { 9305 out.print(" ("); out.print(count); out.print(" filters)"); 9306 } 9307 out.println(); 9308 } 9309 9310// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9311// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9312// final List<ResolveInfo> retList = Lists.newArrayList(); 9313// while (i.hasNext()) { 9314// final ResolveInfo resolveInfo = i.next(); 9315// if (isEnabledLP(resolveInfo.activityInfo)) { 9316// retList.add(resolveInfo); 9317// } 9318// } 9319// return retList; 9320// } 9321 9322 // Keys are String (activity class name), values are Activity. 9323 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9324 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9325 private int mFlags; 9326 } 9327 9328 private final class ServiceIntentResolver 9329 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9330 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9331 boolean defaultOnly, int userId) { 9332 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9333 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9334 } 9335 9336 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9337 int userId) { 9338 if (!sUserManager.exists(userId)) return null; 9339 mFlags = flags; 9340 return super.queryIntent(intent, resolvedType, 9341 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9342 } 9343 9344 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9345 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9346 if (!sUserManager.exists(userId)) return null; 9347 if (packageServices == null) { 9348 return null; 9349 } 9350 mFlags = flags; 9351 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9352 final int N = packageServices.size(); 9353 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9354 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9355 9356 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9357 for (int i = 0; i < N; ++i) { 9358 intentFilters = packageServices.get(i).intents; 9359 if (intentFilters != null && intentFilters.size() > 0) { 9360 PackageParser.ServiceIntentInfo[] array = 9361 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9362 intentFilters.toArray(array); 9363 listCut.add(array); 9364 } 9365 } 9366 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9367 } 9368 9369 public final void addService(PackageParser.Service s) { 9370 mServices.put(s.getComponentName(), s); 9371 if (DEBUG_SHOW_INFO) { 9372 Log.v(TAG, " " 9373 + (s.info.nonLocalizedLabel != null 9374 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9375 Log.v(TAG, " Class=" + s.info.name); 9376 } 9377 final int NI = s.intents.size(); 9378 int j; 9379 for (j=0; j<NI; j++) { 9380 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9381 if (DEBUG_SHOW_INFO) { 9382 Log.v(TAG, " IntentFilter:"); 9383 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9384 } 9385 if (!intent.debugCheck()) { 9386 Log.w(TAG, "==> For Service " + s.info.name); 9387 } 9388 addFilter(intent); 9389 } 9390 } 9391 9392 public final void removeService(PackageParser.Service s) { 9393 mServices.remove(s.getComponentName()); 9394 if (DEBUG_SHOW_INFO) { 9395 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9396 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9397 Log.v(TAG, " Class=" + s.info.name); 9398 } 9399 final int NI = s.intents.size(); 9400 int j; 9401 for (j=0; j<NI; j++) { 9402 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9403 if (DEBUG_SHOW_INFO) { 9404 Log.v(TAG, " IntentFilter:"); 9405 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9406 } 9407 removeFilter(intent); 9408 } 9409 } 9410 9411 @Override 9412 protected boolean allowFilterResult( 9413 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9414 ServiceInfo filterSi = filter.service.info; 9415 for (int i=dest.size()-1; i>=0; i--) { 9416 ServiceInfo destAi = dest.get(i).serviceInfo; 9417 if (destAi.name == filterSi.name 9418 && destAi.packageName == filterSi.packageName) { 9419 return false; 9420 } 9421 } 9422 return true; 9423 } 9424 9425 @Override 9426 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9427 return new PackageParser.ServiceIntentInfo[size]; 9428 } 9429 9430 @Override 9431 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9432 if (!sUserManager.exists(userId)) return true; 9433 PackageParser.Package p = filter.service.owner; 9434 if (p != null) { 9435 PackageSetting ps = (PackageSetting)p.mExtras; 9436 if (ps != null) { 9437 // System apps are never considered stopped for purposes of 9438 // filtering, because there may be no way for the user to 9439 // actually re-launch them. 9440 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9441 && ps.getStopped(userId); 9442 } 9443 } 9444 return false; 9445 } 9446 9447 @Override 9448 protected boolean isPackageForFilter(String packageName, 9449 PackageParser.ServiceIntentInfo info) { 9450 return packageName.equals(info.service.owner.packageName); 9451 } 9452 9453 @Override 9454 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9455 int match, int userId) { 9456 if (!sUserManager.exists(userId)) return null; 9457 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9458 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 9459 return null; 9460 } 9461 final PackageParser.Service service = info.service; 9462 if (mSafeMode && (service.info.applicationInfo.flags 9463 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9464 return null; 9465 } 9466 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9467 if (ps == null) { 9468 return null; 9469 } 9470 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9471 ps.readUserState(userId), userId); 9472 if (si == null) { 9473 return null; 9474 } 9475 final ResolveInfo res = new ResolveInfo(); 9476 res.serviceInfo = si; 9477 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9478 res.filter = filter; 9479 } 9480 res.priority = info.getPriority(); 9481 res.preferredOrder = service.owner.mPreferredOrder; 9482 res.match = match; 9483 res.isDefault = info.hasDefault; 9484 res.labelRes = info.labelRes; 9485 res.nonLocalizedLabel = info.nonLocalizedLabel; 9486 res.icon = info.icon; 9487 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9488 return res; 9489 } 9490 9491 @Override 9492 protected void sortResults(List<ResolveInfo> results) { 9493 Collections.sort(results, mResolvePrioritySorter); 9494 } 9495 9496 @Override 9497 protected void dumpFilter(PrintWriter out, String prefix, 9498 PackageParser.ServiceIntentInfo filter) { 9499 out.print(prefix); out.print( 9500 Integer.toHexString(System.identityHashCode(filter.service))); 9501 out.print(' '); 9502 filter.service.printComponentShortName(out); 9503 out.print(" filter "); 9504 out.println(Integer.toHexString(System.identityHashCode(filter))); 9505 } 9506 9507 @Override 9508 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9509 return filter.service; 9510 } 9511 9512 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9513 PackageParser.Service service = (PackageParser.Service)label; 9514 out.print(prefix); out.print( 9515 Integer.toHexString(System.identityHashCode(service))); 9516 out.print(' '); 9517 service.printComponentShortName(out); 9518 if (count > 1) { 9519 out.print(" ("); out.print(count); out.print(" filters)"); 9520 } 9521 out.println(); 9522 } 9523 9524// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9525// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9526// final List<ResolveInfo> retList = Lists.newArrayList(); 9527// while (i.hasNext()) { 9528// final ResolveInfo resolveInfo = (ResolveInfo) i; 9529// if (isEnabledLP(resolveInfo.serviceInfo)) { 9530// retList.add(resolveInfo); 9531// } 9532// } 9533// return retList; 9534// } 9535 9536 // Keys are String (activity class name), values are Activity. 9537 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9538 = new ArrayMap<ComponentName, PackageParser.Service>(); 9539 private int mFlags; 9540 }; 9541 9542 private final class ProviderIntentResolver 9543 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9544 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9545 boolean defaultOnly, int userId) { 9546 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9547 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9548 } 9549 9550 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9551 int userId) { 9552 if (!sUserManager.exists(userId)) 9553 return null; 9554 mFlags = flags; 9555 return super.queryIntent(intent, resolvedType, 9556 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9557 } 9558 9559 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9560 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9561 if (!sUserManager.exists(userId)) 9562 return null; 9563 if (packageProviders == null) { 9564 return null; 9565 } 9566 mFlags = flags; 9567 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9568 final int N = packageProviders.size(); 9569 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9570 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9571 9572 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9573 for (int i = 0; i < N; ++i) { 9574 intentFilters = packageProviders.get(i).intents; 9575 if (intentFilters != null && intentFilters.size() > 0) { 9576 PackageParser.ProviderIntentInfo[] array = 9577 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9578 intentFilters.toArray(array); 9579 listCut.add(array); 9580 } 9581 } 9582 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9583 } 9584 9585 public final void addProvider(PackageParser.Provider p) { 9586 if (mProviders.containsKey(p.getComponentName())) { 9587 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9588 return; 9589 } 9590 9591 mProviders.put(p.getComponentName(), p); 9592 if (DEBUG_SHOW_INFO) { 9593 Log.v(TAG, " " 9594 + (p.info.nonLocalizedLabel != null 9595 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9596 Log.v(TAG, " Class=" + p.info.name); 9597 } 9598 final int NI = p.intents.size(); 9599 int j; 9600 for (j = 0; j < NI; j++) { 9601 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9602 if (DEBUG_SHOW_INFO) { 9603 Log.v(TAG, " IntentFilter:"); 9604 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9605 } 9606 if (!intent.debugCheck()) { 9607 Log.w(TAG, "==> For Provider " + p.info.name); 9608 } 9609 addFilter(intent); 9610 } 9611 } 9612 9613 public final void removeProvider(PackageParser.Provider p) { 9614 mProviders.remove(p.getComponentName()); 9615 if (DEBUG_SHOW_INFO) { 9616 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9617 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9618 Log.v(TAG, " Class=" + p.info.name); 9619 } 9620 final int NI = p.intents.size(); 9621 int j; 9622 for (j = 0; j < NI; j++) { 9623 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9624 if (DEBUG_SHOW_INFO) { 9625 Log.v(TAG, " IntentFilter:"); 9626 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9627 } 9628 removeFilter(intent); 9629 } 9630 } 9631 9632 @Override 9633 protected boolean allowFilterResult( 9634 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9635 ProviderInfo filterPi = filter.provider.info; 9636 for (int i = dest.size() - 1; i >= 0; i--) { 9637 ProviderInfo destPi = dest.get(i).providerInfo; 9638 if (destPi.name == filterPi.name 9639 && destPi.packageName == filterPi.packageName) { 9640 return false; 9641 } 9642 } 9643 return true; 9644 } 9645 9646 @Override 9647 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9648 return new PackageParser.ProviderIntentInfo[size]; 9649 } 9650 9651 @Override 9652 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9653 if (!sUserManager.exists(userId)) 9654 return true; 9655 PackageParser.Package p = filter.provider.owner; 9656 if (p != null) { 9657 PackageSetting ps = (PackageSetting) p.mExtras; 9658 if (ps != null) { 9659 // System apps are never considered stopped for purposes of 9660 // filtering, because there may be no way for the user to 9661 // actually re-launch them. 9662 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9663 && ps.getStopped(userId); 9664 } 9665 } 9666 return false; 9667 } 9668 9669 @Override 9670 protected boolean isPackageForFilter(String packageName, 9671 PackageParser.ProviderIntentInfo info) { 9672 return packageName.equals(info.provider.owner.packageName); 9673 } 9674 9675 @Override 9676 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9677 int match, int userId) { 9678 if (!sUserManager.exists(userId)) 9679 return null; 9680 final PackageParser.ProviderIntentInfo info = filter; 9681 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 9682 return null; 9683 } 9684 final PackageParser.Provider provider = info.provider; 9685 if (mSafeMode && (provider.info.applicationInfo.flags 9686 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9687 return null; 9688 } 9689 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9690 if (ps == null) { 9691 return null; 9692 } 9693 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9694 ps.readUserState(userId), userId); 9695 if (pi == null) { 9696 return null; 9697 } 9698 final ResolveInfo res = new ResolveInfo(); 9699 res.providerInfo = pi; 9700 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9701 res.filter = filter; 9702 } 9703 res.priority = info.getPriority(); 9704 res.preferredOrder = provider.owner.mPreferredOrder; 9705 res.match = match; 9706 res.isDefault = info.hasDefault; 9707 res.labelRes = info.labelRes; 9708 res.nonLocalizedLabel = info.nonLocalizedLabel; 9709 res.icon = info.icon; 9710 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9711 return res; 9712 } 9713 9714 @Override 9715 protected void sortResults(List<ResolveInfo> results) { 9716 Collections.sort(results, mResolvePrioritySorter); 9717 } 9718 9719 @Override 9720 protected void dumpFilter(PrintWriter out, String prefix, 9721 PackageParser.ProviderIntentInfo filter) { 9722 out.print(prefix); 9723 out.print( 9724 Integer.toHexString(System.identityHashCode(filter.provider))); 9725 out.print(' '); 9726 filter.provider.printComponentShortName(out); 9727 out.print(" filter "); 9728 out.println(Integer.toHexString(System.identityHashCode(filter))); 9729 } 9730 9731 @Override 9732 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9733 return filter.provider; 9734 } 9735 9736 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9737 PackageParser.Provider provider = (PackageParser.Provider)label; 9738 out.print(prefix); out.print( 9739 Integer.toHexString(System.identityHashCode(provider))); 9740 out.print(' '); 9741 provider.printComponentShortName(out); 9742 if (count > 1) { 9743 out.print(" ("); out.print(count); out.print(" filters)"); 9744 } 9745 out.println(); 9746 } 9747 9748 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9749 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9750 private int mFlags; 9751 } 9752 9753 private static final class EphemeralIntentResolver 9754 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 9755 @Override 9756 protected EphemeralResolveIntentInfo[] newArray(int size) { 9757 return new EphemeralResolveIntentInfo[size]; 9758 } 9759 9760 @Override 9761 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 9762 return true; 9763 } 9764 9765 @Override 9766 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 9767 int userId) { 9768 if (!sUserManager.exists(userId)) { 9769 return null; 9770 } 9771 return info.getEphemeralResolveInfo(); 9772 } 9773 } 9774 9775 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9776 new Comparator<ResolveInfo>() { 9777 public int compare(ResolveInfo r1, ResolveInfo r2) { 9778 int v1 = r1.priority; 9779 int v2 = r2.priority; 9780 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9781 if (v1 != v2) { 9782 return (v1 > v2) ? -1 : 1; 9783 } 9784 v1 = r1.preferredOrder; 9785 v2 = r2.preferredOrder; 9786 if (v1 != v2) { 9787 return (v1 > v2) ? -1 : 1; 9788 } 9789 if (r1.isDefault != r2.isDefault) { 9790 return r1.isDefault ? -1 : 1; 9791 } 9792 v1 = r1.match; 9793 v2 = r2.match; 9794 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9795 if (v1 != v2) { 9796 return (v1 > v2) ? -1 : 1; 9797 } 9798 if (r1.system != r2.system) { 9799 return r1.system ? -1 : 1; 9800 } 9801 if (r1.activityInfo != null) { 9802 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 9803 } 9804 if (r1.serviceInfo != null) { 9805 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 9806 } 9807 if (r1.providerInfo != null) { 9808 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 9809 } 9810 return 0; 9811 } 9812 }; 9813 9814 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9815 new Comparator<ProviderInfo>() { 9816 public int compare(ProviderInfo p1, ProviderInfo p2) { 9817 final int v1 = p1.initOrder; 9818 final int v2 = p2.initOrder; 9819 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9820 } 9821 }; 9822 9823 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 9824 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 9825 final int[] userIds) { 9826 mHandler.post(new Runnable() { 9827 @Override 9828 public void run() { 9829 try { 9830 final IActivityManager am = ActivityManagerNative.getDefault(); 9831 if (am == null) return; 9832 final int[] resolvedUserIds; 9833 if (userIds == null) { 9834 resolvedUserIds = am.getRunningUserIds(); 9835 } else { 9836 resolvedUserIds = userIds; 9837 } 9838 for (int id : resolvedUserIds) { 9839 final Intent intent = new Intent(action, 9840 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9841 if (extras != null) { 9842 intent.putExtras(extras); 9843 } 9844 if (targetPkg != null) { 9845 intent.setPackage(targetPkg); 9846 } 9847 // Modify the UID when posting to other users 9848 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9849 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9850 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9851 intent.putExtra(Intent.EXTRA_UID, uid); 9852 } 9853 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9854 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 9855 if (DEBUG_BROADCASTS) { 9856 RuntimeException here = new RuntimeException("here"); 9857 here.fillInStackTrace(); 9858 Slog.d(TAG, "Sending to user " + id + ": " 9859 + intent.toShortString(false, true, false, false) 9860 + " " + intent.getExtras(), here); 9861 } 9862 am.broadcastIntent(null, intent, null, finishedReceiver, 9863 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9864 null, finishedReceiver != null, false, id); 9865 } 9866 } catch (RemoteException ex) { 9867 } 9868 } 9869 }); 9870 } 9871 9872 /** 9873 * Check if the external storage media is available. This is true if there 9874 * is a mounted external storage medium or if the external storage is 9875 * emulated. 9876 */ 9877 private boolean isExternalMediaAvailable() { 9878 return mMediaMounted || Environment.isExternalStorageEmulated(); 9879 } 9880 9881 @Override 9882 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9883 // writer 9884 synchronized (mPackages) { 9885 if (!isExternalMediaAvailable()) { 9886 // If the external storage is no longer mounted at this point, 9887 // the caller may not have been able to delete all of this 9888 // packages files and can not delete any more. Bail. 9889 return null; 9890 } 9891 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9892 if (lastPackage != null) { 9893 pkgs.remove(lastPackage); 9894 } 9895 if (pkgs.size() > 0) { 9896 return pkgs.get(0); 9897 } 9898 } 9899 return null; 9900 } 9901 9902 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9903 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9904 userId, andCode ? 1 : 0, packageName); 9905 if (mSystemReady) { 9906 msg.sendToTarget(); 9907 } else { 9908 if (mPostSystemReadyMessages == null) { 9909 mPostSystemReadyMessages = new ArrayList<>(); 9910 } 9911 mPostSystemReadyMessages.add(msg); 9912 } 9913 } 9914 9915 void startCleaningPackages() { 9916 // reader 9917 synchronized (mPackages) { 9918 if (!isExternalMediaAvailable()) { 9919 return; 9920 } 9921 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9922 return; 9923 } 9924 } 9925 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9926 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9927 IActivityManager am = ActivityManagerNative.getDefault(); 9928 if (am != null) { 9929 try { 9930 am.startService(null, intent, null, mContext.getOpPackageName(), 9931 UserHandle.USER_SYSTEM); 9932 } catch (RemoteException e) { 9933 } 9934 } 9935 } 9936 9937 @Override 9938 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9939 int installFlags, String installerPackageName, VerificationParams verificationParams, 9940 String packageAbiOverride) { 9941 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9942 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9943 } 9944 9945 @Override 9946 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9947 int installFlags, String installerPackageName, VerificationParams verificationParams, 9948 String packageAbiOverride, int userId) { 9949 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9950 9951 final int callingUid = Binder.getCallingUid(); 9952 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9953 9954 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9955 try { 9956 if (observer != null) { 9957 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9958 } 9959 } catch (RemoteException re) { 9960 } 9961 return; 9962 } 9963 9964 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9965 installFlags |= PackageManager.INSTALL_FROM_ADB; 9966 9967 } else { 9968 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9969 // about installerPackageName. 9970 9971 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9972 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9973 } 9974 9975 UserHandle user; 9976 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9977 user = UserHandle.ALL; 9978 } else { 9979 user = new UserHandle(userId); 9980 } 9981 9982 // Only system components can circumvent runtime permissions when installing. 9983 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9984 && mContext.checkCallingOrSelfPermission(Manifest.permission 9985 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9986 throw new SecurityException("You need the " 9987 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9988 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9989 } 9990 9991 verificationParams.setInstallerUid(callingUid); 9992 9993 final File originFile = new File(originPath); 9994 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9995 9996 final Message msg = mHandler.obtainMessage(INIT_COPY); 9997 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 9998 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 9999 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10000 msg.obj = params; 10001 10002 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10003 System.identityHashCode(msg.obj)); 10004 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10005 System.identityHashCode(msg.obj)); 10006 10007 mHandler.sendMessage(msg); 10008 } 10009 10010 void installStage(String packageName, File stagedDir, String stagedCid, 10011 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10012 String installerPackageName, int installerUid, UserHandle user) { 10013 if (DEBUG_EPHEMERAL) { 10014 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10015 Slog.d(TAG, "Ephemeral install of " + packageName); 10016 } 10017 } 10018 final VerificationParams verifParams = new VerificationParams( 10019 null, sessionParams.originatingUri, sessionParams.referrerUri, 10020 sessionParams.originatingUid); 10021 verifParams.setInstallerUid(installerUid); 10022 10023 final OriginInfo origin; 10024 if (stagedDir != null) { 10025 origin = OriginInfo.fromStagedFile(stagedDir); 10026 } else { 10027 origin = OriginInfo.fromStagedContainer(stagedCid); 10028 } 10029 10030 final Message msg = mHandler.obtainMessage(INIT_COPY); 10031 final InstallParams params = new InstallParams(origin, null, observer, 10032 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10033 verifParams, user, sessionParams.abiOverride, 10034 sessionParams.grantedRuntimePermissions); 10035 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10036 msg.obj = params; 10037 10038 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10039 System.identityHashCode(msg.obj)); 10040 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10041 System.identityHashCode(msg.obj)); 10042 10043 mHandler.sendMessage(msg); 10044 } 10045 10046 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 10047 Bundle extras = new Bundle(1); 10048 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 10049 10050 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10051 packageName, extras, 0, null, null, new int[] {userId}); 10052 try { 10053 IActivityManager am = ActivityManagerNative.getDefault(); 10054 final boolean isSystem = 10055 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10056 if (isSystem && am.isUserRunning(userId, 0)) { 10057 // The just-installed/enabled app is bundled on the system, so presumed 10058 // to be able to run automatically without needing an explicit launch. 10059 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10060 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10061 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10062 .setPackage(packageName); 10063 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10064 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10065 } 10066 } catch (RemoteException e) { 10067 // shouldn't happen 10068 Slog.w(TAG, "Unable to bootstrap installed package", e); 10069 } 10070 } 10071 10072 @Override 10073 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10074 int userId) { 10075 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10076 PackageSetting pkgSetting; 10077 final int uid = Binder.getCallingUid(); 10078 enforceCrossUserPermission(uid, userId, true, true, 10079 "setApplicationHiddenSetting for user " + userId); 10080 10081 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10082 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10083 return false; 10084 } 10085 10086 long callingId = Binder.clearCallingIdentity(); 10087 try { 10088 boolean sendAdded = false; 10089 boolean sendRemoved = false; 10090 // writer 10091 synchronized (mPackages) { 10092 pkgSetting = mSettings.mPackages.get(packageName); 10093 if (pkgSetting == null) { 10094 return false; 10095 } 10096 if (pkgSetting.getHidden(userId) != hidden) { 10097 pkgSetting.setHidden(hidden, userId); 10098 mSettings.writePackageRestrictionsLPr(userId); 10099 if (hidden) { 10100 sendRemoved = true; 10101 } else { 10102 sendAdded = true; 10103 } 10104 } 10105 } 10106 if (sendAdded) { 10107 sendPackageAddedForUser(packageName, pkgSetting, userId); 10108 return true; 10109 } 10110 if (sendRemoved) { 10111 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10112 "hiding pkg"); 10113 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10114 return true; 10115 } 10116 } finally { 10117 Binder.restoreCallingIdentity(callingId); 10118 } 10119 return false; 10120 } 10121 10122 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10123 int userId) { 10124 final PackageRemovedInfo info = new PackageRemovedInfo(); 10125 info.removedPackage = packageName; 10126 info.removedUsers = new int[] {userId}; 10127 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10128 info.sendBroadcast(false, false, false); 10129 } 10130 10131 /** 10132 * Returns true if application is not found or there was an error. Otherwise it returns 10133 * the hidden state of the package for the given user. 10134 */ 10135 @Override 10136 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10137 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10138 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 10139 false, "getApplicationHidden for user " + userId); 10140 PackageSetting pkgSetting; 10141 long callingId = Binder.clearCallingIdentity(); 10142 try { 10143 // writer 10144 synchronized (mPackages) { 10145 pkgSetting = mSettings.mPackages.get(packageName); 10146 if (pkgSetting == null) { 10147 return true; 10148 } 10149 return pkgSetting.getHidden(userId); 10150 } 10151 } finally { 10152 Binder.restoreCallingIdentity(callingId); 10153 } 10154 } 10155 10156 /** 10157 * @hide 10158 */ 10159 @Override 10160 public int installExistingPackageAsUser(String packageName, int userId) { 10161 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10162 null); 10163 PackageSetting pkgSetting; 10164 final int uid = Binder.getCallingUid(); 10165 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 10166 + userId); 10167 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10168 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10169 } 10170 10171 long callingId = Binder.clearCallingIdentity(); 10172 try { 10173 boolean sendAdded = false; 10174 10175 // writer 10176 synchronized (mPackages) { 10177 pkgSetting = mSettings.mPackages.get(packageName); 10178 if (pkgSetting == null) { 10179 return PackageManager.INSTALL_FAILED_INVALID_URI; 10180 } 10181 if (!pkgSetting.getInstalled(userId)) { 10182 pkgSetting.setInstalled(true, userId); 10183 pkgSetting.setHidden(false, userId); 10184 mSettings.writePackageRestrictionsLPr(userId); 10185 sendAdded = true; 10186 } 10187 } 10188 10189 if (sendAdded) { 10190 sendPackageAddedForUser(packageName, pkgSetting, userId); 10191 } 10192 } finally { 10193 Binder.restoreCallingIdentity(callingId); 10194 } 10195 10196 return PackageManager.INSTALL_SUCCEEDED; 10197 } 10198 10199 boolean isUserRestricted(int userId, String restrictionKey) { 10200 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10201 if (restrictions.getBoolean(restrictionKey, false)) { 10202 Log.w(TAG, "User is restricted: " + restrictionKey); 10203 return true; 10204 } 10205 return false; 10206 } 10207 10208 @Override 10209 public boolean setPackageSuspendedAsUser(String packageName, boolean suspended, int userId) { 10210 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10211 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, true, 10212 "setPackageSuspended for user " + userId); 10213 10214 long callingId = Binder.clearCallingIdentity(); 10215 try { 10216 synchronized (mPackages) { 10217 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10218 if (pkgSetting != null) { 10219 if (pkgSetting.getSuspended(userId) != suspended) { 10220 pkgSetting.setSuspended(suspended, userId); 10221 mSettings.writePackageRestrictionsLPr(userId); 10222 } 10223 10224 // TODO: 10225 // * broadcast a PACKAGE_(UN)SUSPENDED intent for launchers to pick up 10226 // * remove app from recents (kill app it if it is running) 10227 // * erase existing notifications for this app 10228 return true; 10229 } 10230 10231 return false; 10232 } 10233 } finally { 10234 Binder.restoreCallingIdentity(callingId); 10235 } 10236 } 10237 10238 @Override 10239 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10240 mContext.enforceCallingOrSelfPermission( 10241 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10242 "Only package verification agents can verify applications"); 10243 10244 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10245 final PackageVerificationResponse response = new PackageVerificationResponse( 10246 verificationCode, Binder.getCallingUid()); 10247 msg.arg1 = id; 10248 msg.obj = response; 10249 mHandler.sendMessage(msg); 10250 } 10251 10252 @Override 10253 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10254 long millisecondsToDelay) { 10255 mContext.enforceCallingOrSelfPermission( 10256 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10257 "Only package verification agents can extend verification timeouts"); 10258 10259 final PackageVerificationState state = mPendingVerification.get(id); 10260 final PackageVerificationResponse response = new PackageVerificationResponse( 10261 verificationCodeAtTimeout, Binder.getCallingUid()); 10262 10263 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10264 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10265 } 10266 if (millisecondsToDelay < 0) { 10267 millisecondsToDelay = 0; 10268 } 10269 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10270 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10271 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10272 } 10273 10274 if ((state != null) && !state.timeoutExtended()) { 10275 state.extendTimeout(); 10276 10277 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10278 msg.arg1 = id; 10279 msg.obj = response; 10280 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10281 } 10282 } 10283 10284 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10285 int verificationCode, UserHandle user) { 10286 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10287 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10288 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10289 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10290 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10291 10292 mContext.sendBroadcastAsUser(intent, user, 10293 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10294 } 10295 10296 private ComponentName matchComponentForVerifier(String packageName, 10297 List<ResolveInfo> receivers) { 10298 ActivityInfo targetReceiver = null; 10299 10300 final int NR = receivers.size(); 10301 for (int i = 0; i < NR; i++) { 10302 final ResolveInfo info = receivers.get(i); 10303 if (info.activityInfo == null) { 10304 continue; 10305 } 10306 10307 if (packageName.equals(info.activityInfo.packageName)) { 10308 targetReceiver = info.activityInfo; 10309 break; 10310 } 10311 } 10312 10313 if (targetReceiver == null) { 10314 return null; 10315 } 10316 10317 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10318 } 10319 10320 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10321 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10322 if (pkgInfo.verifiers.length == 0) { 10323 return null; 10324 } 10325 10326 final int N = pkgInfo.verifiers.length; 10327 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10328 for (int i = 0; i < N; i++) { 10329 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10330 10331 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10332 receivers); 10333 if (comp == null) { 10334 continue; 10335 } 10336 10337 final int verifierUid = getUidForVerifier(verifierInfo); 10338 if (verifierUid == -1) { 10339 continue; 10340 } 10341 10342 if (DEBUG_VERIFY) { 10343 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10344 + " with the correct signature"); 10345 } 10346 sufficientVerifiers.add(comp); 10347 verificationState.addSufficientVerifier(verifierUid); 10348 } 10349 10350 return sufficientVerifiers; 10351 } 10352 10353 private int getUidForVerifier(VerifierInfo verifierInfo) { 10354 synchronized (mPackages) { 10355 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10356 if (pkg == null) { 10357 return -1; 10358 } else if (pkg.mSignatures.length != 1) { 10359 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10360 + " has more than one signature; ignoring"); 10361 return -1; 10362 } 10363 10364 /* 10365 * If the public key of the package's signature does not match 10366 * our expected public key, then this is a different package and 10367 * we should skip. 10368 */ 10369 10370 final byte[] expectedPublicKey; 10371 try { 10372 final Signature verifierSig = pkg.mSignatures[0]; 10373 final PublicKey publicKey = verifierSig.getPublicKey(); 10374 expectedPublicKey = publicKey.getEncoded(); 10375 } catch (CertificateException e) { 10376 return -1; 10377 } 10378 10379 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10380 10381 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10382 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10383 + " does not have the expected public key; ignoring"); 10384 return -1; 10385 } 10386 10387 return pkg.applicationInfo.uid; 10388 } 10389 } 10390 10391 @Override 10392 public void finishPackageInstall(int token) { 10393 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10394 10395 if (DEBUG_INSTALL) { 10396 Slog.v(TAG, "BM finishing package install for " + token); 10397 } 10398 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10399 10400 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10401 mHandler.sendMessage(msg); 10402 } 10403 10404 /** 10405 * Get the verification agent timeout. 10406 * 10407 * @return verification timeout in milliseconds 10408 */ 10409 private long getVerificationTimeout() { 10410 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10411 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10412 DEFAULT_VERIFICATION_TIMEOUT); 10413 } 10414 10415 /** 10416 * Get the default verification agent response code. 10417 * 10418 * @return default verification response code 10419 */ 10420 private int getDefaultVerificationResponse() { 10421 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10422 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10423 DEFAULT_VERIFICATION_RESPONSE); 10424 } 10425 10426 /** 10427 * Check whether or not package verification has been enabled. 10428 * 10429 * @return true if verification should be performed 10430 */ 10431 private boolean isVerificationEnabled(int userId, int installFlags) { 10432 if (!DEFAULT_VERIFY_ENABLE) { 10433 return false; 10434 } 10435 // Ephemeral apps don't get the full verification treatment 10436 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10437 if (DEBUG_EPHEMERAL) { 10438 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 10439 } 10440 return false; 10441 } 10442 10443 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 10444 10445 // Check if installing from ADB 10446 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 10447 // Do not run verification in a test harness environment 10448 if (ActivityManager.isRunningInTestHarness()) { 10449 return false; 10450 } 10451 if (ensureVerifyAppsEnabled) { 10452 return true; 10453 } 10454 // Check if the developer does not want package verification for ADB installs 10455 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10456 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 10457 return false; 10458 } 10459 } 10460 10461 if (ensureVerifyAppsEnabled) { 10462 return true; 10463 } 10464 10465 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10466 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 10467 } 10468 10469 @Override 10470 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 10471 throws RemoteException { 10472 mContext.enforceCallingOrSelfPermission( 10473 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 10474 "Only intentfilter verification agents can verify applications"); 10475 10476 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 10477 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 10478 Binder.getCallingUid(), verificationCode, failedDomains); 10479 msg.arg1 = id; 10480 msg.obj = response; 10481 mHandler.sendMessage(msg); 10482 } 10483 10484 @Override 10485 public int getIntentVerificationStatus(String packageName, int userId) { 10486 synchronized (mPackages) { 10487 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 10488 } 10489 } 10490 10491 @Override 10492 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10493 mContext.enforceCallingOrSelfPermission( 10494 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10495 10496 boolean result = false; 10497 synchronized (mPackages) { 10498 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10499 } 10500 if (result) { 10501 scheduleWritePackageRestrictionsLocked(userId); 10502 } 10503 return result; 10504 } 10505 10506 @Override 10507 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10508 synchronized (mPackages) { 10509 return mSettings.getIntentFilterVerificationsLPr(packageName); 10510 } 10511 } 10512 10513 @Override 10514 public List<IntentFilter> getAllIntentFilters(String packageName) { 10515 if (TextUtils.isEmpty(packageName)) { 10516 return Collections.<IntentFilter>emptyList(); 10517 } 10518 synchronized (mPackages) { 10519 PackageParser.Package pkg = mPackages.get(packageName); 10520 if (pkg == null || pkg.activities == null) { 10521 return Collections.<IntentFilter>emptyList(); 10522 } 10523 final int count = pkg.activities.size(); 10524 ArrayList<IntentFilter> result = new ArrayList<>(); 10525 for (int n=0; n<count; n++) { 10526 PackageParser.Activity activity = pkg.activities.get(n); 10527 if (activity.intents != null && activity.intents.size() > 0) { 10528 result.addAll(activity.intents); 10529 } 10530 } 10531 return result; 10532 } 10533 } 10534 10535 @Override 10536 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10537 mContext.enforceCallingOrSelfPermission( 10538 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10539 10540 synchronized (mPackages) { 10541 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10542 if (packageName != null) { 10543 result |= updateIntentVerificationStatus(packageName, 10544 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10545 userId); 10546 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10547 packageName, userId); 10548 } 10549 return result; 10550 } 10551 } 10552 10553 @Override 10554 public String getDefaultBrowserPackageName(int userId) { 10555 synchronized (mPackages) { 10556 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10557 } 10558 } 10559 10560 /** 10561 * Get the "allow unknown sources" setting. 10562 * 10563 * @return the current "allow unknown sources" setting 10564 */ 10565 private int getUnknownSourcesSettings() { 10566 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10567 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10568 -1); 10569 } 10570 10571 @Override 10572 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10573 final int uid = Binder.getCallingUid(); 10574 // writer 10575 synchronized (mPackages) { 10576 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10577 if (targetPackageSetting == null) { 10578 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10579 } 10580 10581 PackageSetting installerPackageSetting; 10582 if (installerPackageName != null) { 10583 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10584 if (installerPackageSetting == null) { 10585 throw new IllegalArgumentException("Unknown installer package: " 10586 + installerPackageName); 10587 } 10588 } else { 10589 installerPackageSetting = null; 10590 } 10591 10592 Signature[] callerSignature; 10593 Object obj = mSettings.getUserIdLPr(uid); 10594 if (obj != null) { 10595 if (obj instanceof SharedUserSetting) { 10596 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10597 } else if (obj instanceof PackageSetting) { 10598 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10599 } else { 10600 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10601 } 10602 } else { 10603 throw new SecurityException("Unknown calling UID: " + uid); 10604 } 10605 10606 // Verify: can't set installerPackageName to a package that is 10607 // not signed with the same cert as the caller. 10608 if (installerPackageSetting != null) { 10609 if (compareSignatures(callerSignature, 10610 installerPackageSetting.signatures.mSignatures) 10611 != PackageManager.SIGNATURE_MATCH) { 10612 throw new SecurityException( 10613 "Caller does not have same cert as new installer package " 10614 + installerPackageName); 10615 } 10616 } 10617 10618 // Verify: if target already has an installer package, it must 10619 // be signed with the same cert as the caller. 10620 if (targetPackageSetting.installerPackageName != null) { 10621 PackageSetting setting = mSettings.mPackages.get( 10622 targetPackageSetting.installerPackageName); 10623 // If the currently set package isn't valid, then it's always 10624 // okay to change it. 10625 if (setting != null) { 10626 if (compareSignatures(callerSignature, 10627 setting.signatures.mSignatures) 10628 != PackageManager.SIGNATURE_MATCH) { 10629 throw new SecurityException( 10630 "Caller does not have same cert as old installer package " 10631 + targetPackageSetting.installerPackageName); 10632 } 10633 } 10634 } 10635 10636 // Okay! 10637 targetPackageSetting.installerPackageName = installerPackageName; 10638 scheduleWriteSettingsLocked(); 10639 } 10640 } 10641 10642 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10643 // Queue up an async operation since the package installation may take a little while. 10644 mHandler.post(new Runnable() { 10645 public void run() { 10646 mHandler.removeCallbacks(this); 10647 // Result object to be returned 10648 PackageInstalledInfo res = new PackageInstalledInfo(); 10649 res.returnCode = currentStatus; 10650 res.uid = -1; 10651 res.pkg = null; 10652 res.removedInfo = new PackageRemovedInfo(); 10653 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10654 args.doPreInstall(res.returnCode); 10655 synchronized (mInstallLock) { 10656 installPackageTracedLI(args, res); 10657 } 10658 args.doPostInstall(res.returnCode, res.uid); 10659 } 10660 10661 // A restore should be performed at this point if (a) the install 10662 // succeeded, (b) the operation is not an update, and (c) the new 10663 // package has not opted out of backup participation. 10664 final boolean update = res.removedInfo.removedPackage != null; 10665 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10666 boolean doRestore = !update 10667 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10668 10669 // Set up the post-install work request bookkeeping. This will be used 10670 // and cleaned up by the post-install event handling regardless of whether 10671 // there's a restore pass performed. Token values are >= 1. 10672 int token; 10673 if (mNextInstallToken < 0) mNextInstallToken = 1; 10674 token = mNextInstallToken++; 10675 10676 PostInstallData data = new PostInstallData(args, res); 10677 mRunningInstalls.put(token, data); 10678 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10679 10680 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10681 // Pass responsibility to the Backup Manager. It will perform a 10682 // restore if appropriate, then pass responsibility back to the 10683 // Package Manager to run the post-install observer callbacks 10684 // and broadcasts. 10685 IBackupManager bm = IBackupManager.Stub.asInterface( 10686 ServiceManager.getService(Context.BACKUP_SERVICE)); 10687 if (bm != null) { 10688 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10689 + " to BM for possible restore"); 10690 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10691 try { 10692 // TODO: http://b/22388012 10693 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 10694 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10695 } else { 10696 doRestore = false; 10697 } 10698 } catch (RemoteException e) { 10699 // can't happen; the backup manager is local 10700 } catch (Exception e) { 10701 Slog.e(TAG, "Exception trying to enqueue restore", e); 10702 doRestore = false; 10703 } 10704 } else { 10705 Slog.e(TAG, "Backup Manager not found!"); 10706 doRestore = false; 10707 } 10708 } 10709 10710 if (!doRestore) { 10711 // No restore possible, or the Backup Manager was mysteriously not 10712 // available -- just fire the post-install work request directly. 10713 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10714 10715 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 10716 10717 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10718 mHandler.sendMessage(msg); 10719 } 10720 } 10721 }); 10722 } 10723 10724 private abstract class HandlerParams { 10725 private static final int MAX_RETRIES = 4; 10726 10727 /** 10728 * Number of times startCopy() has been attempted and had a non-fatal 10729 * error. 10730 */ 10731 private int mRetries = 0; 10732 10733 /** User handle for the user requesting the information or installation. */ 10734 private final UserHandle mUser; 10735 String traceMethod; 10736 int traceCookie; 10737 10738 HandlerParams(UserHandle user) { 10739 mUser = user; 10740 } 10741 10742 UserHandle getUser() { 10743 return mUser; 10744 } 10745 10746 HandlerParams setTraceMethod(String traceMethod) { 10747 this.traceMethod = traceMethod; 10748 return this; 10749 } 10750 10751 HandlerParams setTraceCookie(int traceCookie) { 10752 this.traceCookie = traceCookie; 10753 return this; 10754 } 10755 10756 final boolean startCopy() { 10757 boolean res; 10758 try { 10759 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10760 10761 if (++mRetries > MAX_RETRIES) { 10762 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10763 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10764 handleServiceError(); 10765 return false; 10766 } else { 10767 handleStartCopy(); 10768 res = true; 10769 } 10770 } catch (RemoteException e) { 10771 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10772 mHandler.sendEmptyMessage(MCS_RECONNECT); 10773 res = false; 10774 } 10775 handleReturnCode(); 10776 return res; 10777 } 10778 10779 final void serviceError() { 10780 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10781 handleServiceError(); 10782 handleReturnCode(); 10783 } 10784 10785 abstract void handleStartCopy() throws RemoteException; 10786 abstract void handleServiceError(); 10787 abstract void handleReturnCode(); 10788 } 10789 10790 class MeasureParams extends HandlerParams { 10791 private final PackageStats mStats; 10792 private boolean mSuccess; 10793 10794 private final IPackageStatsObserver mObserver; 10795 10796 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10797 super(new UserHandle(stats.userHandle)); 10798 mObserver = observer; 10799 mStats = stats; 10800 } 10801 10802 @Override 10803 public String toString() { 10804 return "MeasureParams{" 10805 + Integer.toHexString(System.identityHashCode(this)) 10806 + " " + mStats.packageName + "}"; 10807 } 10808 10809 @Override 10810 void handleStartCopy() throws RemoteException { 10811 synchronized (mInstallLock) { 10812 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10813 } 10814 10815 if (mSuccess) { 10816 final boolean mounted; 10817 if (Environment.isExternalStorageEmulated()) { 10818 mounted = true; 10819 } else { 10820 final String status = Environment.getExternalStorageState(); 10821 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10822 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10823 } 10824 10825 if (mounted) { 10826 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10827 10828 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10829 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10830 10831 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10832 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10833 10834 // Always subtract cache size, since it's a subdirectory 10835 mStats.externalDataSize -= mStats.externalCacheSize; 10836 10837 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10838 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10839 10840 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10841 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10842 } 10843 } 10844 } 10845 10846 @Override 10847 void handleReturnCode() { 10848 if (mObserver != null) { 10849 try { 10850 mObserver.onGetStatsCompleted(mStats, mSuccess); 10851 } catch (RemoteException e) { 10852 Slog.i(TAG, "Observer no longer exists."); 10853 } 10854 } 10855 } 10856 10857 @Override 10858 void handleServiceError() { 10859 Slog.e(TAG, "Could not measure application " + mStats.packageName 10860 + " external storage"); 10861 } 10862 } 10863 10864 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10865 throws RemoteException { 10866 long result = 0; 10867 for (File path : paths) { 10868 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10869 } 10870 return result; 10871 } 10872 10873 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10874 for (File path : paths) { 10875 try { 10876 mcs.clearDirectory(path.getAbsolutePath()); 10877 } catch (RemoteException e) { 10878 } 10879 } 10880 } 10881 10882 static class OriginInfo { 10883 /** 10884 * Location where install is coming from, before it has been 10885 * copied/renamed into place. This could be a single monolithic APK 10886 * file, or a cluster directory. This location may be untrusted. 10887 */ 10888 final File file; 10889 final String cid; 10890 10891 /** 10892 * Flag indicating that {@link #file} or {@link #cid} has already been 10893 * staged, meaning downstream users don't need to defensively copy the 10894 * contents. 10895 */ 10896 final boolean staged; 10897 10898 /** 10899 * Flag indicating that {@link #file} or {@link #cid} is an already 10900 * installed app that is being moved. 10901 */ 10902 final boolean existing; 10903 10904 final String resolvedPath; 10905 final File resolvedFile; 10906 10907 static OriginInfo fromNothing() { 10908 return new OriginInfo(null, null, false, false); 10909 } 10910 10911 static OriginInfo fromUntrustedFile(File file) { 10912 return new OriginInfo(file, null, false, false); 10913 } 10914 10915 static OriginInfo fromExistingFile(File file) { 10916 return new OriginInfo(file, null, false, true); 10917 } 10918 10919 static OriginInfo fromStagedFile(File file) { 10920 return new OriginInfo(file, null, true, false); 10921 } 10922 10923 static OriginInfo fromStagedContainer(String cid) { 10924 return new OriginInfo(null, cid, true, false); 10925 } 10926 10927 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10928 this.file = file; 10929 this.cid = cid; 10930 this.staged = staged; 10931 this.existing = existing; 10932 10933 if (cid != null) { 10934 resolvedPath = PackageHelper.getSdDir(cid); 10935 resolvedFile = new File(resolvedPath); 10936 } else if (file != null) { 10937 resolvedPath = file.getAbsolutePath(); 10938 resolvedFile = file; 10939 } else { 10940 resolvedPath = null; 10941 resolvedFile = null; 10942 } 10943 } 10944 } 10945 10946 static class MoveInfo { 10947 final int moveId; 10948 final String fromUuid; 10949 final String toUuid; 10950 final String packageName; 10951 final String dataAppName; 10952 final int appId; 10953 final String seinfo; 10954 10955 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10956 String dataAppName, int appId, String seinfo) { 10957 this.moveId = moveId; 10958 this.fromUuid = fromUuid; 10959 this.toUuid = toUuid; 10960 this.packageName = packageName; 10961 this.dataAppName = dataAppName; 10962 this.appId = appId; 10963 this.seinfo = seinfo; 10964 } 10965 } 10966 10967 class InstallParams extends HandlerParams { 10968 final OriginInfo origin; 10969 final MoveInfo move; 10970 final IPackageInstallObserver2 observer; 10971 int installFlags; 10972 final String installerPackageName; 10973 final String volumeUuid; 10974 final VerificationParams verificationParams; 10975 private InstallArgs mArgs; 10976 private int mRet; 10977 final String packageAbiOverride; 10978 final String[] grantedRuntimePermissions; 10979 10980 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10981 int installFlags, String installerPackageName, String volumeUuid, 10982 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 10983 String[] grantedPermissions) { 10984 super(user); 10985 this.origin = origin; 10986 this.move = move; 10987 this.observer = observer; 10988 this.installFlags = installFlags; 10989 this.installerPackageName = installerPackageName; 10990 this.volumeUuid = volumeUuid; 10991 this.verificationParams = verificationParams; 10992 this.packageAbiOverride = packageAbiOverride; 10993 this.grantedRuntimePermissions = grantedPermissions; 10994 } 10995 10996 @Override 10997 public String toString() { 10998 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10999 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11000 } 11001 11002 private int installLocationPolicy(PackageInfoLite pkgLite) { 11003 String packageName = pkgLite.packageName; 11004 int installLocation = pkgLite.installLocation; 11005 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11006 // reader 11007 synchronized (mPackages) { 11008 PackageParser.Package pkg = mPackages.get(packageName); 11009 if (pkg != null) { 11010 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11011 // Check for downgrading. 11012 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 11013 try { 11014 checkDowngrade(pkg, pkgLite); 11015 } catch (PackageManagerException e) { 11016 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11017 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11018 } 11019 } 11020 // Check for updated system application. 11021 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11022 if (onSd) { 11023 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11024 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11025 } 11026 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11027 } else { 11028 if (onSd) { 11029 // Install flag overrides everything. 11030 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11031 } 11032 // If current upgrade specifies particular preference 11033 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11034 // Application explicitly specified internal. 11035 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11036 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11037 // App explictly prefers external. Let policy decide 11038 } else { 11039 // Prefer previous location 11040 if (isExternal(pkg)) { 11041 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11042 } 11043 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11044 } 11045 } 11046 } else { 11047 // Invalid install. Return error code 11048 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11049 } 11050 } 11051 } 11052 // All the special cases have been taken care of. 11053 // Return result based on recommended install location. 11054 if (onSd) { 11055 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11056 } 11057 return pkgLite.recommendedInstallLocation; 11058 } 11059 11060 /* 11061 * Invoke remote method to get package information and install 11062 * location values. Override install location based on default 11063 * policy if needed and then create install arguments based 11064 * on the install location. 11065 */ 11066 public void handleStartCopy() throws RemoteException { 11067 int ret = PackageManager.INSTALL_SUCCEEDED; 11068 11069 // If we're already staged, we've firmly committed to an install location 11070 if (origin.staged) { 11071 if (origin.file != null) { 11072 installFlags |= PackageManager.INSTALL_INTERNAL; 11073 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11074 } else if (origin.cid != null) { 11075 installFlags |= PackageManager.INSTALL_EXTERNAL; 11076 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11077 } else { 11078 throw new IllegalStateException("Invalid stage location"); 11079 } 11080 } 11081 11082 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11083 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11084 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11085 PackageInfoLite pkgLite = null; 11086 11087 if (onInt && onSd) { 11088 // Check if both bits are set. 11089 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11090 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11091 } else if (onSd && ephemeral) { 11092 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11093 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11094 } else { 11095 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11096 packageAbiOverride); 11097 11098 if (DEBUG_EPHEMERAL && ephemeral) { 11099 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11100 } 11101 11102 /* 11103 * If we have too little free space, try to free cache 11104 * before giving up. 11105 */ 11106 if (!origin.staged && pkgLite.recommendedInstallLocation 11107 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11108 // TODO: focus freeing disk space on the target device 11109 final StorageManager storage = StorageManager.from(mContext); 11110 final long lowThreshold = storage.getStorageLowBytes( 11111 Environment.getDataDirectory()); 11112 11113 final long sizeBytes = mContainerService.calculateInstalledSize( 11114 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11115 11116 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 11117 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11118 installFlags, packageAbiOverride); 11119 } 11120 11121 /* 11122 * The cache free must have deleted the file we 11123 * downloaded to install. 11124 * 11125 * TODO: fix the "freeCache" call to not delete 11126 * the file we care about. 11127 */ 11128 if (pkgLite.recommendedInstallLocation 11129 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11130 pkgLite.recommendedInstallLocation 11131 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11132 } 11133 } 11134 } 11135 11136 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11137 int loc = pkgLite.recommendedInstallLocation; 11138 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11139 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11140 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11141 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11142 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11143 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11144 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11145 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11146 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11147 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11148 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11149 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11150 } else { 11151 // Override with defaults if needed. 11152 loc = installLocationPolicy(pkgLite); 11153 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11154 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11155 } else if (!onSd && !onInt) { 11156 // Override install location with flags 11157 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11158 // Set the flag to install on external media. 11159 installFlags |= PackageManager.INSTALL_EXTERNAL; 11160 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11161 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11162 if (DEBUG_EPHEMERAL) { 11163 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11164 } 11165 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11166 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11167 |PackageManager.INSTALL_INTERNAL); 11168 } else { 11169 // Make sure the flag for installing on external 11170 // media is unset 11171 installFlags |= PackageManager.INSTALL_INTERNAL; 11172 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11173 } 11174 } 11175 } 11176 } 11177 11178 final InstallArgs args = createInstallArgs(this); 11179 mArgs = args; 11180 11181 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11182 // TODO: http://b/22976637 11183 // Apps installed for "all" users use the device owner to verify the app 11184 UserHandle verifierUser = getUser(); 11185 if (verifierUser == UserHandle.ALL) { 11186 verifierUser = UserHandle.SYSTEM; 11187 } 11188 11189 /* 11190 * Determine if we have any installed package verifiers. If we 11191 * do, then we'll defer to them to verify the packages. 11192 */ 11193 final int requiredUid = mRequiredVerifierPackage == null ? -1 11194 : getPackageUid(mRequiredVerifierPackage, verifierUser.getIdentifier()); 11195 if (!origin.existing && requiredUid != -1 11196 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11197 final Intent verification = new Intent( 11198 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11199 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11200 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11201 PACKAGE_MIME_TYPE); 11202 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11203 11204 // Query all live verifiers based on current user state 11205 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 11206 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11207 11208 if (DEBUG_VERIFY) { 11209 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11210 + verification.toString() + " with " + pkgLite.verifiers.length 11211 + " optional verifiers"); 11212 } 11213 11214 final int verificationId = mPendingVerificationToken++; 11215 11216 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11217 11218 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11219 installerPackageName); 11220 11221 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11222 installFlags); 11223 11224 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11225 pkgLite.packageName); 11226 11227 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11228 pkgLite.versionCode); 11229 11230 if (verificationParams != null) { 11231 if (verificationParams.getVerificationURI() != null) { 11232 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 11233 verificationParams.getVerificationURI()); 11234 } 11235 if (verificationParams.getOriginatingURI() != null) { 11236 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11237 verificationParams.getOriginatingURI()); 11238 } 11239 if (verificationParams.getReferrer() != null) { 11240 verification.putExtra(Intent.EXTRA_REFERRER, 11241 verificationParams.getReferrer()); 11242 } 11243 if (verificationParams.getOriginatingUid() >= 0) { 11244 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11245 verificationParams.getOriginatingUid()); 11246 } 11247 if (verificationParams.getInstallerUid() >= 0) { 11248 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11249 verificationParams.getInstallerUid()); 11250 } 11251 } 11252 11253 final PackageVerificationState verificationState = new PackageVerificationState( 11254 requiredUid, args); 11255 11256 mPendingVerification.append(verificationId, verificationState); 11257 11258 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11259 receivers, verificationState); 11260 11261 /* 11262 * If any sufficient verifiers were listed in the package 11263 * manifest, attempt to ask them. 11264 */ 11265 if (sufficientVerifiers != null) { 11266 final int N = sufficientVerifiers.size(); 11267 if (N == 0) { 11268 Slog.i(TAG, "Additional verifiers required, but none installed."); 11269 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11270 } else { 11271 for (int i = 0; i < N; i++) { 11272 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11273 11274 final Intent sufficientIntent = new Intent(verification); 11275 sufficientIntent.setComponent(verifierComponent); 11276 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11277 } 11278 } 11279 } 11280 11281 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11282 mRequiredVerifierPackage, receivers); 11283 if (ret == PackageManager.INSTALL_SUCCEEDED 11284 && mRequiredVerifierPackage != null) { 11285 Trace.asyncTraceBegin( 11286 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11287 /* 11288 * Send the intent to the required verification agent, 11289 * but only start the verification timeout after the 11290 * target BroadcastReceivers have run. 11291 */ 11292 verification.setComponent(requiredVerifierComponent); 11293 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11294 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11295 new BroadcastReceiver() { 11296 @Override 11297 public void onReceive(Context context, Intent intent) { 11298 final Message msg = mHandler 11299 .obtainMessage(CHECK_PENDING_VERIFICATION); 11300 msg.arg1 = verificationId; 11301 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11302 } 11303 }, null, 0, null, null); 11304 11305 /* 11306 * We don't want the copy to proceed until verification 11307 * succeeds, so null out this field. 11308 */ 11309 mArgs = null; 11310 } 11311 } else { 11312 /* 11313 * No package verification is enabled, so immediately start 11314 * the remote call to initiate copy using temporary file. 11315 */ 11316 ret = args.copyApk(mContainerService, true); 11317 } 11318 } 11319 11320 mRet = ret; 11321 } 11322 11323 @Override 11324 void handleReturnCode() { 11325 // If mArgs is null, then MCS couldn't be reached. When it 11326 // reconnects, it will try again to install. At that point, this 11327 // will succeed. 11328 if (mArgs != null) { 11329 processPendingInstall(mArgs, mRet); 11330 } 11331 } 11332 11333 @Override 11334 void handleServiceError() { 11335 mArgs = createInstallArgs(this); 11336 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11337 } 11338 11339 public boolean isForwardLocked() { 11340 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11341 } 11342 } 11343 11344 /** 11345 * Used during creation of InstallArgs 11346 * 11347 * @param installFlags package installation flags 11348 * @return true if should be installed on external storage 11349 */ 11350 private static boolean installOnExternalAsec(int installFlags) { 11351 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11352 return false; 11353 } 11354 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11355 return true; 11356 } 11357 return false; 11358 } 11359 11360 /** 11361 * Used during creation of InstallArgs 11362 * 11363 * @param installFlags package installation flags 11364 * @return true if should be installed as forward locked 11365 */ 11366 private static boolean installForwardLocked(int installFlags) { 11367 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11368 } 11369 11370 private InstallArgs createInstallArgs(InstallParams params) { 11371 if (params.move != null) { 11372 return new MoveInstallArgs(params); 11373 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11374 return new AsecInstallArgs(params); 11375 } else { 11376 return new FileInstallArgs(params); 11377 } 11378 } 11379 11380 /** 11381 * Create args that describe an existing installed package. Typically used 11382 * when cleaning up old installs, or used as a move source. 11383 */ 11384 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11385 String resourcePath, String[] instructionSets) { 11386 final boolean isInAsec; 11387 if (installOnExternalAsec(installFlags)) { 11388 /* Apps on SD card are always in ASEC containers. */ 11389 isInAsec = true; 11390 } else if (installForwardLocked(installFlags) 11391 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11392 /* 11393 * Forward-locked apps are only in ASEC containers if they're the 11394 * new style 11395 */ 11396 isInAsec = true; 11397 } else { 11398 isInAsec = false; 11399 } 11400 11401 if (isInAsec) { 11402 return new AsecInstallArgs(codePath, instructionSets, 11403 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11404 } else { 11405 return new FileInstallArgs(codePath, resourcePath, instructionSets); 11406 } 11407 } 11408 11409 static abstract class InstallArgs { 11410 /** @see InstallParams#origin */ 11411 final OriginInfo origin; 11412 /** @see InstallParams#move */ 11413 final MoveInfo move; 11414 11415 final IPackageInstallObserver2 observer; 11416 // Always refers to PackageManager flags only 11417 final int installFlags; 11418 final String installerPackageName; 11419 final String volumeUuid; 11420 final UserHandle user; 11421 final String abiOverride; 11422 final String[] installGrantPermissions; 11423 /** If non-null, drop an async trace when the install completes */ 11424 final String traceMethod; 11425 final int traceCookie; 11426 11427 // The list of instruction sets supported by this app. This is currently 11428 // only used during the rmdex() phase to clean up resources. We can get rid of this 11429 // if we move dex files under the common app path. 11430 /* nullable */ String[] instructionSets; 11431 11432 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11433 int installFlags, String installerPackageName, String volumeUuid, 11434 UserHandle user, String[] instructionSets, 11435 String abiOverride, String[] installGrantPermissions, 11436 String traceMethod, int traceCookie) { 11437 this.origin = origin; 11438 this.move = move; 11439 this.installFlags = installFlags; 11440 this.observer = observer; 11441 this.installerPackageName = installerPackageName; 11442 this.volumeUuid = volumeUuid; 11443 this.user = user; 11444 this.instructionSets = instructionSets; 11445 this.abiOverride = abiOverride; 11446 this.installGrantPermissions = installGrantPermissions; 11447 this.traceMethod = traceMethod; 11448 this.traceCookie = traceCookie; 11449 } 11450 11451 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 11452 abstract int doPreInstall(int status); 11453 11454 /** 11455 * Rename package into final resting place. All paths on the given 11456 * scanned package should be updated to reflect the rename. 11457 */ 11458 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 11459 abstract int doPostInstall(int status, int uid); 11460 11461 /** @see PackageSettingBase#codePathString */ 11462 abstract String getCodePath(); 11463 /** @see PackageSettingBase#resourcePathString */ 11464 abstract String getResourcePath(); 11465 11466 // Need installer lock especially for dex file removal. 11467 abstract void cleanUpResourcesLI(); 11468 abstract boolean doPostDeleteLI(boolean delete); 11469 11470 /** 11471 * Called before the source arguments are copied. This is used mostly 11472 * for MoveParams when it needs to read the source file to put it in the 11473 * destination. 11474 */ 11475 int doPreCopy() { 11476 return PackageManager.INSTALL_SUCCEEDED; 11477 } 11478 11479 /** 11480 * Called after the source arguments are copied. This is used mostly for 11481 * MoveParams when it needs to read the source file to put it in the 11482 * destination. 11483 * 11484 * @return 11485 */ 11486 int doPostCopy(int uid) { 11487 return PackageManager.INSTALL_SUCCEEDED; 11488 } 11489 11490 protected boolean isFwdLocked() { 11491 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11492 } 11493 11494 protected boolean isExternalAsec() { 11495 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11496 } 11497 11498 protected boolean isEphemeral() { 11499 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11500 } 11501 11502 UserHandle getUser() { 11503 return user; 11504 } 11505 } 11506 11507 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 11508 if (!allCodePaths.isEmpty()) { 11509 if (instructionSets == null) { 11510 throw new IllegalStateException("instructionSet == null"); 11511 } 11512 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11513 for (String codePath : allCodePaths) { 11514 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11515 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 11516 if (retCode < 0) { 11517 Slog.w(TAG, "Couldn't remove dex file for package at location " + codePath 11518 + ", retcode=" + retCode); 11519 // we don't consider this to be a failure of the core package deletion 11520 } 11521 } 11522 } 11523 } 11524 } 11525 11526 /** 11527 * Logic to handle installation of non-ASEC applications, including copying 11528 * and renaming logic. 11529 */ 11530 class FileInstallArgs extends InstallArgs { 11531 private File codeFile; 11532 private File resourceFile; 11533 11534 // Example topology: 11535 // /data/app/com.example/base.apk 11536 // /data/app/com.example/split_foo.apk 11537 // /data/app/com.example/lib/arm/libfoo.so 11538 // /data/app/com.example/lib/arm64/libfoo.so 11539 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11540 11541 /** New install */ 11542 FileInstallArgs(InstallParams params) { 11543 super(params.origin, params.move, params.observer, params.installFlags, 11544 params.installerPackageName, params.volumeUuid, 11545 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11546 params.grantedRuntimePermissions, 11547 params.traceMethod, params.traceCookie); 11548 if (isFwdLocked()) { 11549 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11550 } 11551 } 11552 11553 /** Existing install */ 11554 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11555 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 11556 null, null, null, 0); 11557 this.codeFile = (codePath != null) ? new File(codePath) : null; 11558 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11559 } 11560 11561 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11562 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 11563 try { 11564 return doCopyApk(imcs, temp); 11565 } finally { 11566 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11567 } 11568 } 11569 11570 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11571 if (origin.staged) { 11572 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11573 codeFile = origin.file; 11574 resourceFile = origin.file; 11575 return PackageManager.INSTALL_SUCCEEDED; 11576 } 11577 11578 try { 11579 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11580 final File tempDir = 11581 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 11582 codeFile = tempDir; 11583 resourceFile = tempDir; 11584 } catch (IOException e) { 11585 Slog.w(TAG, "Failed to create copy file: " + e); 11586 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11587 } 11588 11589 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11590 @Override 11591 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11592 if (!FileUtils.isValidExtFilename(name)) { 11593 throw new IllegalArgumentException("Invalid filename: " + name); 11594 } 11595 try { 11596 final File file = new File(codeFile, name); 11597 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11598 O_RDWR | O_CREAT, 0644); 11599 Os.chmod(file.getAbsolutePath(), 0644); 11600 return new ParcelFileDescriptor(fd); 11601 } catch (ErrnoException e) { 11602 throw new RemoteException("Failed to open: " + e.getMessage()); 11603 } 11604 } 11605 }; 11606 11607 int ret = PackageManager.INSTALL_SUCCEEDED; 11608 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11609 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11610 Slog.e(TAG, "Failed to copy package"); 11611 return ret; 11612 } 11613 11614 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11615 NativeLibraryHelper.Handle handle = null; 11616 try { 11617 handle = NativeLibraryHelper.Handle.create(codeFile); 11618 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11619 abiOverride); 11620 } catch (IOException e) { 11621 Slog.e(TAG, "Copying native libraries failed", e); 11622 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11623 } finally { 11624 IoUtils.closeQuietly(handle); 11625 } 11626 11627 return ret; 11628 } 11629 11630 int doPreInstall(int status) { 11631 if (status != PackageManager.INSTALL_SUCCEEDED) { 11632 cleanUp(); 11633 } 11634 return status; 11635 } 11636 11637 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11638 if (status != PackageManager.INSTALL_SUCCEEDED) { 11639 cleanUp(); 11640 return false; 11641 } 11642 11643 final File targetDir = codeFile.getParentFile(); 11644 final File beforeCodeFile = codeFile; 11645 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11646 11647 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11648 try { 11649 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11650 } catch (ErrnoException e) { 11651 Slog.w(TAG, "Failed to rename", e); 11652 return false; 11653 } 11654 11655 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11656 Slog.w(TAG, "Failed to restorecon"); 11657 return false; 11658 } 11659 11660 // Reflect the rename internally 11661 codeFile = afterCodeFile; 11662 resourceFile = afterCodeFile; 11663 11664 // Reflect the rename in scanned details 11665 pkg.codePath = afterCodeFile.getAbsolutePath(); 11666 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11667 pkg.baseCodePath); 11668 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11669 pkg.splitCodePaths); 11670 11671 // Reflect the rename in app info 11672 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11673 pkg.applicationInfo.setCodePath(pkg.codePath); 11674 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11675 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11676 pkg.applicationInfo.setResourcePath(pkg.codePath); 11677 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11678 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11679 11680 return true; 11681 } 11682 11683 int doPostInstall(int status, int uid) { 11684 if (status != PackageManager.INSTALL_SUCCEEDED) { 11685 cleanUp(); 11686 } 11687 return status; 11688 } 11689 11690 @Override 11691 String getCodePath() { 11692 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11693 } 11694 11695 @Override 11696 String getResourcePath() { 11697 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11698 } 11699 11700 private boolean cleanUp() { 11701 if (codeFile == null || !codeFile.exists()) { 11702 return false; 11703 } 11704 11705 if (codeFile.isDirectory()) { 11706 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11707 } else { 11708 codeFile.delete(); 11709 } 11710 11711 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11712 resourceFile.delete(); 11713 } 11714 11715 return true; 11716 } 11717 11718 void cleanUpResourcesLI() { 11719 // Try enumerating all code paths before deleting 11720 List<String> allCodePaths = Collections.EMPTY_LIST; 11721 if (codeFile != null && codeFile.exists()) { 11722 try { 11723 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11724 allCodePaths = pkg.getAllCodePaths(); 11725 } catch (PackageParserException e) { 11726 // Ignored; we tried our best 11727 } 11728 } 11729 11730 cleanUp(); 11731 removeDexFiles(allCodePaths, instructionSets); 11732 } 11733 11734 boolean doPostDeleteLI(boolean delete) { 11735 // XXX err, shouldn't we respect the delete flag? 11736 cleanUpResourcesLI(); 11737 return true; 11738 } 11739 } 11740 11741 private boolean isAsecExternal(String cid) { 11742 final String asecPath = PackageHelper.getSdFilesystem(cid); 11743 return !asecPath.startsWith(mAsecInternalPath); 11744 } 11745 11746 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11747 PackageManagerException { 11748 if (copyRet < 0) { 11749 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11750 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11751 throw new PackageManagerException(copyRet, message); 11752 } 11753 } 11754 } 11755 11756 /** 11757 * Extract the MountService "container ID" from the full code path of an 11758 * .apk. 11759 */ 11760 static String cidFromCodePath(String fullCodePath) { 11761 int eidx = fullCodePath.lastIndexOf("/"); 11762 String subStr1 = fullCodePath.substring(0, eidx); 11763 int sidx = subStr1.lastIndexOf("/"); 11764 return subStr1.substring(sidx+1, eidx); 11765 } 11766 11767 /** 11768 * Logic to handle installation of ASEC applications, including copying and 11769 * renaming logic. 11770 */ 11771 class AsecInstallArgs extends InstallArgs { 11772 static final String RES_FILE_NAME = "pkg.apk"; 11773 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11774 11775 String cid; 11776 String packagePath; 11777 String resourcePath; 11778 11779 /** New install */ 11780 AsecInstallArgs(InstallParams params) { 11781 super(params.origin, params.move, params.observer, params.installFlags, 11782 params.installerPackageName, params.volumeUuid, 11783 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11784 params.grantedRuntimePermissions, 11785 params.traceMethod, params.traceCookie); 11786 } 11787 11788 /** Existing install */ 11789 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11790 boolean isExternal, boolean isForwardLocked) { 11791 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11792 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 11793 instructionSets, null, null, null, 0); 11794 // Hackily pretend we're still looking at a full code path 11795 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11796 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11797 } 11798 11799 // Extract cid from fullCodePath 11800 int eidx = fullCodePath.lastIndexOf("/"); 11801 String subStr1 = fullCodePath.substring(0, eidx); 11802 int sidx = subStr1.lastIndexOf("/"); 11803 cid = subStr1.substring(sidx+1, eidx); 11804 setMountPath(subStr1); 11805 } 11806 11807 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11808 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11809 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 11810 instructionSets, null, null, null, 0); 11811 this.cid = cid; 11812 setMountPath(PackageHelper.getSdDir(cid)); 11813 } 11814 11815 void createCopyFile() { 11816 cid = mInstallerService.allocateExternalStageCidLegacy(); 11817 } 11818 11819 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11820 if (origin.staged && origin.cid != null) { 11821 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11822 cid = origin.cid; 11823 setMountPath(PackageHelper.getSdDir(cid)); 11824 return PackageManager.INSTALL_SUCCEEDED; 11825 } 11826 11827 if (temp) { 11828 createCopyFile(); 11829 } else { 11830 /* 11831 * Pre-emptively destroy the container since it's destroyed if 11832 * copying fails due to it existing anyway. 11833 */ 11834 PackageHelper.destroySdDir(cid); 11835 } 11836 11837 final String newMountPath = imcs.copyPackageToContainer( 11838 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11839 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11840 11841 if (newMountPath != null) { 11842 setMountPath(newMountPath); 11843 return PackageManager.INSTALL_SUCCEEDED; 11844 } else { 11845 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11846 } 11847 } 11848 11849 @Override 11850 String getCodePath() { 11851 return packagePath; 11852 } 11853 11854 @Override 11855 String getResourcePath() { 11856 return resourcePath; 11857 } 11858 11859 int doPreInstall(int status) { 11860 if (status != PackageManager.INSTALL_SUCCEEDED) { 11861 // Destroy container 11862 PackageHelper.destroySdDir(cid); 11863 } else { 11864 boolean mounted = PackageHelper.isContainerMounted(cid); 11865 if (!mounted) { 11866 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11867 Process.SYSTEM_UID); 11868 if (newMountPath != null) { 11869 setMountPath(newMountPath); 11870 } else { 11871 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11872 } 11873 } 11874 } 11875 return status; 11876 } 11877 11878 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11879 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11880 String newMountPath = null; 11881 if (PackageHelper.isContainerMounted(cid)) { 11882 // Unmount the container 11883 if (!PackageHelper.unMountSdDir(cid)) { 11884 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11885 return false; 11886 } 11887 } 11888 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11889 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11890 " which might be stale. Will try to clean up."); 11891 // Clean up the stale container and proceed to recreate. 11892 if (!PackageHelper.destroySdDir(newCacheId)) { 11893 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11894 return false; 11895 } 11896 // Successfully cleaned up stale container. Try to rename again. 11897 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11898 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11899 + " inspite of cleaning it up."); 11900 return false; 11901 } 11902 } 11903 if (!PackageHelper.isContainerMounted(newCacheId)) { 11904 Slog.w(TAG, "Mounting container " + newCacheId); 11905 newMountPath = PackageHelper.mountSdDir(newCacheId, 11906 getEncryptKey(), Process.SYSTEM_UID); 11907 } else { 11908 newMountPath = PackageHelper.getSdDir(newCacheId); 11909 } 11910 if (newMountPath == null) { 11911 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11912 return false; 11913 } 11914 Log.i(TAG, "Succesfully renamed " + cid + 11915 " to " + newCacheId + 11916 " at new path: " + newMountPath); 11917 cid = newCacheId; 11918 11919 final File beforeCodeFile = new File(packagePath); 11920 setMountPath(newMountPath); 11921 final File afterCodeFile = new File(packagePath); 11922 11923 // Reflect the rename in scanned details 11924 pkg.codePath = afterCodeFile.getAbsolutePath(); 11925 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11926 pkg.baseCodePath); 11927 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11928 pkg.splitCodePaths); 11929 11930 // Reflect the rename in app info 11931 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11932 pkg.applicationInfo.setCodePath(pkg.codePath); 11933 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11934 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11935 pkg.applicationInfo.setResourcePath(pkg.codePath); 11936 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11937 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11938 11939 return true; 11940 } 11941 11942 private void setMountPath(String mountPath) { 11943 final File mountFile = new File(mountPath); 11944 11945 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11946 if (monolithicFile.exists()) { 11947 packagePath = monolithicFile.getAbsolutePath(); 11948 if (isFwdLocked()) { 11949 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11950 } else { 11951 resourcePath = packagePath; 11952 } 11953 } else { 11954 packagePath = mountFile.getAbsolutePath(); 11955 resourcePath = packagePath; 11956 } 11957 } 11958 11959 int doPostInstall(int status, int uid) { 11960 if (status != PackageManager.INSTALL_SUCCEEDED) { 11961 cleanUp(); 11962 } else { 11963 final int groupOwner; 11964 final String protectedFile; 11965 if (isFwdLocked()) { 11966 groupOwner = UserHandle.getSharedAppGid(uid); 11967 protectedFile = RES_FILE_NAME; 11968 } else { 11969 groupOwner = -1; 11970 protectedFile = null; 11971 } 11972 11973 if (uid < Process.FIRST_APPLICATION_UID 11974 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11975 Slog.e(TAG, "Failed to finalize " + cid); 11976 PackageHelper.destroySdDir(cid); 11977 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11978 } 11979 11980 boolean mounted = PackageHelper.isContainerMounted(cid); 11981 if (!mounted) { 11982 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11983 } 11984 } 11985 return status; 11986 } 11987 11988 private void cleanUp() { 11989 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11990 11991 // Destroy secure container 11992 PackageHelper.destroySdDir(cid); 11993 } 11994 11995 private List<String> getAllCodePaths() { 11996 final File codeFile = new File(getCodePath()); 11997 if (codeFile != null && codeFile.exists()) { 11998 try { 11999 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12000 return pkg.getAllCodePaths(); 12001 } catch (PackageParserException e) { 12002 // Ignored; we tried our best 12003 } 12004 } 12005 return Collections.EMPTY_LIST; 12006 } 12007 12008 void cleanUpResourcesLI() { 12009 // Enumerate all code paths before deleting 12010 cleanUpResourcesLI(getAllCodePaths()); 12011 } 12012 12013 private void cleanUpResourcesLI(List<String> allCodePaths) { 12014 cleanUp(); 12015 removeDexFiles(allCodePaths, instructionSets); 12016 } 12017 12018 String getPackageName() { 12019 return getAsecPackageName(cid); 12020 } 12021 12022 boolean doPostDeleteLI(boolean delete) { 12023 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12024 final List<String> allCodePaths = getAllCodePaths(); 12025 boolean mounted = PackageHelper.isContainerMounted(cid); 12026 if (mounted) { 12027 // Unmount first 12028 if (PackageHelper.unMountSdDir(cid)) { 12029 mounted = false; 12030 } 12031 } 12032 if (!mounted && delete) { 12033 cleanUpResourcesLI(allCodePaths); 12034 } 12035 return !mounted; 12036 } 12037 12038 @Override 12039 int doPreCopy() { 12040 if (isFwdLocked()) { 12041 if (!PackageHelper.fixSdPermissions(cid, 12042 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 12043 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12044 } 12045 } 12046 12047 return PackageManager.INSTALL_SUCCEEDED; 12048 } 12049 12050 @Override 12051 int doPostCopy(int uid) { 12052 if (isFwdLocked()) { 12053 if (uid < Process.FIRST_APPLICATION_UID 12054 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12055 RES_FILE_NAME)) { 12056 Slog.e(TAG, "Failed to finalize " + cid); 12057 PackageHelper.destroySdDir(cid); 12058 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12059 } 12060 } 12061 12062 return PackageManager.INSTALL_SUCCEEDED; 12063 } 12064 } 12065 12066 /** 12067 * Logic to handle movement of existing installed applications. 12068 */ 12069 class MoveInstallArgs extends InstallArgs { 12070 private File codeFile; 12071 private File resourceFile; 12072 12073 /** New install */ 12074 MoveInstallArgs(InstallParams params) { 12075 super(params.origin, params.move, params.observer, params.installFlags, 12076 params.installerPackageName, params.volumeUuid, 12077 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12078 params.grantedRuntimePermissions, 12079 params.traceMethod, params.traceCookie); 12080 } 12081 12082 int copyApk(IMediaContainerService imcs, boolean temp) { 12083 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12084 + move.fromUuid + " to " + move.toUuid); 12085 synchronized (mInstaller) { 12086 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12087 move.dataAppName, move.appId, move.seinfo) != 0) { 12088 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12089 } 12090 } 12091 12092 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12093 resourceFile = codeFile; 12094 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12095 12096 return PackageManager.INSTALL_SUCCEEDED; 12097 } 12098 12099 int doPreInstall(int status) { 12100 if (status != PackageManager.INSTALL_SUCCEEDED) { 12101 cleanUp(move.toUuid); 12102 } 12103 return status; 12104 } 12105 12106 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12107 if (status != PackageManager.INSTALL_SUCCEEDED) { 12108 cleanUp(move.toUuid); 12109 return false; 12110 } 12111 12112 // Reflect the move in app info 12113 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 12114 pkg.applicationInfo.setCodePath(pkg.codePath); 12115 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 12116 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 12117 pkg.applicationInfo.setResourcePath(pkg.codePath); 12118 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 12119 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 12120 12121 return true; 12122 } 12123 12124 int doPostInstall(int status, int uid) { 12125 if (status == PackageManager.INSTALL_SUCCEEDED) { 12126 cleanUp(move.fromUuid); 12127 } else { 12128 cleanUp(move.toUuid); 12129 } 12130 return status; 12131 } 12132 12133 @Override 12134 String getCodePath() { 12135 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12136 } 12137 12138 @Override 12139 String getResourcePath() { 12140 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12141 } 12142 12143 private boolean cleanUp(String volumeUuid) { 12144 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12145 move.dataAppName); 12146 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12147 synchronized (mInstallLock) { 12148 // Clean up both app data and code 12149 removeDataDirsLI(volumeUuid, move.packageName); 12150 if (codeFile.isDirectory()) { 12151 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 12152 } else { 12153 codeFile.delete(); 12154 } 12155 } 12156 return true; 12157 } 12158 12159 void cleanUpResourcesLI() { 12160 throw new UnsupportedOperationException(); 12161 } 12162 12163 boolean doPostDeleteLI(boolean delete) { 12164 throw new UnsupportedOperationException(); 12165 } 12166 } 12167 12168 static String getAsecPackageName(String packageCid) { 12169 int idx = packageCid.lastIndexOf("-"); 12170 if (idx == -1) { 12171 return packageCid; 12172 } 12173 return packageCid.substring(0, idx); 12174 } 12175 12176 // Utility method used to create code paths based on package name and available index. 12177 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12178 String idxStr = ""; 12179 int idx = 1; 12180 // Fall back to default value of idx=1 if prefix is not 12181 // part of oldCodePath 12182 if (oldCodePath != null) { 12183 String subStr = oldCodePath; 12184 // Drop the suffix right away 12185 if (suffix != null && subStr.endsWith(suffix)) { 12186 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12187 } 12188 // If oldCodePath already contains prefix find out the 12189 // ending index to either increment or decrement. 12190 int sidx = subStr.lastIndexOf(prefix); 12191 if (sidx != -1) { 12192 subStr = subStr.substring(sidx + prefix.length()); 12193 if (subStr != null) { 12194 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12195 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12196 } 12197 try { 12198 idx = Integer.parseInt(subStr); 12199 if (idx <= 1) { 12200 idx++; 12201 } else { 12202 idx--; 12203 } 12204 } catch(NumberFormatException e) { 12205 } 12206 } 12207 } 12208 } 12209 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12210 return prefix + idxStr; 12211 } 12212 12213 private File getNextCodePath(File targetDir, String packageName) { 12214 int suffix = 1; 12215 File result; 12216 do { 12217 result = new File(targetDir, packageName + "-" + suffix); 12218 suffix++; 12219 } while (result.exists()); 12220 return result; 12221 } 12222 12223 // Utility method that returns the relative package path with respect 12224 // to the installation directory. Like say for /data/data/com.test-1.apk 12225 // string com.test-1 is returned. 12226 static String deriveCodePathName(String codePath) { 12227 if (codePath == null) { 12228 return null; 12229 } 12230 final File codeFile = new File(codePath); 12231 final String name = codeFile.getName(); 12232 if (codeFile.isDirectory()) { 12233 return name; 12234 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12235 final int lastDot = name.lastIndexOf('.'); 12236 return name.substring(0, lastDot); 12237 } else { 12238 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12239 return null; 12240 } 12241 } 12242 12243 static class PackageInstalledInfo { 12244 String name; 12245 int uid; 12246 // The set of users that originally had this package installed. 12247 int[] origUsers; 12248 // The set of users that now have this package installed. 12249 int[] newUsers; 12250 PackageParser.Package pkg; 12251 int returnCode; 12252 String returnMsg; 12253 PackageRemovedInfo removedInfo; 12254 12255 public void setError(int code, String msg) { 12256 returnCode = code; 12257 returnMsg = msg; 12258 Slog.w(TAG, msg); 12259 } 12260 12261 public void setError(String msg, PackageParserException e) { 12262 returnCode = e.error; 12263 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12264 Slog.w(TAG, msg, e); 12265 } 12266 12267 public void setError(String msg, PackageManagerException e) { 12268 returnCode = e.error; 12269 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12270 Slog.w(TAG, msg, e); 12271 } 12272 12273 // In some error cases we want to convey more info back to the observer 12274 String origPackage; 12275 String origPermission; 12276 } 12277 12278 /* 12279 * Install a non-existing package. 12280 */ 12281 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12282 UserHandle user, String installerPackageName, String volumeUuid, 12283 PackageInstalledInfo res) { 12284 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12285 12286 // Remember this for later, in case we need to rollback this install 12287 String pkgName = pkg.packageName; 12288 12289 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12290 // TODO: b/23350563 12291 final boolean dataDirExists = Environment 12292 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists(); 12293 12294 synchronized(mPackages) { 12295 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12296 // A package with the same name is already installed, though 12297 // it has been renamed to an older name. The package we 12298 // are trying to install should be installed as an update to 12299 // the existing one, but that has not been requested, so bail. 12300 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12301 + " without first uninstalling package running as " 12302 + mSettings.mRenamedPackages.get(pkgName)); 12303 return; 12304 } 12305 if (mPackages.containsKey(pkgName)) { 12306 // Don't allow installation over an existing package with the same name. 12307 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12308 + " without first uninstalling."); 12309 return; 12310 } 12311 } 12312 12313 try { 12314 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12315 System.currentTimeMillis(), user); 12316 12317 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 12318 // delete the partially installed application. the data directory will have to be 12319 // restored if it was already existing 12320 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12321 // remove package from internal structures. Note that we want deletePackageX to 12322 // delete the package data and cache directories that it created in 12323 // scanPackageLocked, unless those directories existed before we even tried to 12324 // install. 12325 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 12326 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 12327 res.removedInfo, true); 12328 } 12329 12330 } catch (PackageManagerException e) { 12331 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12332 } 12333 12334 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12335 } 12336 12337 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12338 // Can't rotate keys during boot or if sharedUser. 12339 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12340 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12341 return false; 12342 } 12343 // app is using upgradeKeySets; make sure all are valid 12344 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12345 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12346 for (int i = 0; i < upgradeKeySets.length; i++) { 12347 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12348 Slog.wtf(TAG, "Package " 12349 + (oldPs.name != null ? oldPs.name : "<null>") 12350 + " contains upgrade-key-set reference to unknown key-set: " 12351 + upgradeKeySets[i] 12352 + " reverting to signatures check."); 12353 return false; 12354 } 12355 } 12356 return true; 12357 } 12358 12359 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12360 // Upgrade keysets are being used. Determine if new package has a superset of the 12361 // required keys. 12362 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12363 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12364 for (int i = 0; i < upgradeKeySets.length; i++) { 12365 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12366 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12367 return true; 12368 } 12369 } 12370 return false; 12371 } 12372 12373 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12374 UserHandle user, String installerPackageName, String volumeUuid, 12375 PackageInstalledInfo res) { 12376 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 12377 12378 final PackageParser.Package oldPackage; 12379 final String pkgName = pkg.packageName; 12380 final int[] allUsers; 12381 final boolean[] perUserInstalled; 12382 12383 // First find the old package info and check signatures 12384 synchronized(mPackages) { 12385 oldPackage = mPackages.get(pkgName); 12386 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 12387 if (isEphemeral && !oldIsEphemeral) { 12388 // can't downgrade from full to ephemeral 12389 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 12390 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12391 return; 12392 } 12393 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12394 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12395 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12396 if(!checkUpgradeKeySetLP(ps, pkg)) { 12397 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12398 "New package not signed by keys specified by upgrade-keysets: " 12399 + pkgName); 12400 return; 12401 } 12402 } else { 12403 // default to original signature matching 12404 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 12405 != PackageManager.SIGNATURE_MATCH) { 12406 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12407 "New package has a different signature: " + pkgName); 12408 return; 12409 } 12410 } 12411 12412 // In case of rollback, remember per-user/profile install state 12413 allUsers = sUserManager.getUserIds(); 12414 perUserInstalled = new boolean[allUsers.length]; 12415 for (int i = 0; i < allUsers.length; i++) { 12416 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12417 } 12418 } 12419 12420 boolean sysPkg = (isSystemApp(oldPackage)); 12421 if (sysPkg) { 12422 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12423 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12424 } else { 12425 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12426 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12427 } 12428 } 12429 12430 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 12431 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12432 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12433 String volumeUuid, PackageInstalledInfo res) { 12434 String pkgName = deletedPackage.packageName; 12435 boolean deletedPkg = true; 12436 boolean updatedSettings = false; 12437 12438 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 12439 + deletedPackage); 12440 long origUpdateTime; 12441 if (pkg.mExtras != null) { 12442 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 12443 } else { 12444 origUpdateTime = 0; 12445 } 12446 12447 // First delete the existing package while retaining the data directory 12448 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 12449 res.removedInfo, true)) { 12450 // If the existing package wasn't successfully deleted 12451 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 12452 deletedPkg = false; 12453 } else { 12454 // Successfully deleted the old package; proceed with replace. 12455 12456 // If deleted package lived in a container, give users a chance to 12457 // relinquish resources before killing. 12458 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 12459 if (DEBUG_INSTALL) { 12460 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 12461 } 12462 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 12463 final ArrayList<String> pkgList = new ArrayList<String>(1); 12464 pkgList.add(deletedPackage.applicationInfo.packageName); 12465 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 12466 } 12467 12468 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 12469 try { 12470 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 12471 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 12472 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12473 perUserInstalled, res, user); 12474 updatedSettings = true; 12475 } catch (PackageManagerException e) { 12476 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12477 } 12478 } 12479 12480 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12481 // remove package from internal structures. Note that we want deletePackageX to 12482 // delete the package data and cache directories that it created in 12483 // scanPackageLocked, unless those directories existed before we even tried to 12484 // install. 12485 if(updatedSettings) { 12486 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 12487 deletePackageLI( 12488 pkgName, null, true, allUsers, perUserInstalled, 12489 PackageManager.DELETE_KEEP_DATA, 12490 res.removedInfo, true); 12491 } 12492 // Since we failed to install the new package we need to restore the old 12493 // package that we deleted. 12494 if (deletedPkg) { 12495 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 12496 File restoreFile = new File(deletedPackage.codePath); 12497 // Parse old package 12498 boolean oldExternal = isExternal(deletedPackage); 12499 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 12500 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 12501 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12502 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 12503 try { 12504 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 12505 null); 12506 } catch (PackageManagerException e) { 12507 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 12508 + e.getMessage()); 12509 return; 12510 } 12511 // Restore of old package succeeded. Update permissions. 12512 // writer 12513 synchronized (mPackages) { 12514 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 12515 UPDATE_PERMISSIONS_ALL); 12516 // can downgrade to reader 12517 mSettings.writeLPr(); 12518 } 12519 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 12520 } 12521 } 12522 } 12523 12524 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 12525 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12526 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12527 String volumeUuid, PackageInstalledInfo res) { 12528 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 12529 + ", old=" + deletedPackage); 12530 boolean disabledSystem = false; 12531 boolean updatedSettings = false; 12532 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 12533 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 12534 != 0) { 12535 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12536 } 12537 String packageName = deletedPackage.packageName; 12538 if (packageName == null) { 12539 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12540 "Attempt to delete null packageName."); 12541 return; 12542 } 12543 PackageParser.Package oldPkg; 12544 PackageSetting oldPkgSetting; 12545 // reader 12546 synchronized (mPackages) { 12547 oldPkg = mPackages.get(packageName); 12548 oldPkgSetting = mSettings.mPackages.get(packageName); 12549 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12550 (oldPkgSetting == null)) { 12551 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12552 "Couldn't find package " + packageName + " information"); 12553 return; 12554 } 12555 } 12556 12557 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12558 12559 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12560 res.removedInfo.removedPackage = packageName; 12561 // Remove existing system package 12562 removePackageLI(oldPkgSetting, true); 12563 // writer 12564 synchronized (mPackages) { 12565 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12566 if (!disabledSystem && deletedPackage != null) { 12567 // We didn't need to disable the .apk as a current system package, 12568 // which means we are replacing another update that is already 12569 // installed. We need to make sure to delete the older one's .apk. 12570 res.removedInfo.args = createInstallArgsForExisting(0, 12571 deletedPackage.applicationInfo.getCodePath(), 12572 deletedPackage.applicationInfo.getResourcePath(), 12573 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12574 } else { 12575 res.removedInfo.args = null; 12576 } 12577 } 12578 12579 // Successfully disabled the old package. Now proceed with re-installation 12580 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12581 12582 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12583 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12584 12585 PackageParser.Package newPackage = null; 12586 try { 12587 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 12588 if (newPackage.mExtras != null) { 12589 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12590 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12591 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12592 12593 // is the update attempting to change shared user? that isn't going to work... 12594 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12595 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12596 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12597 + " to " + newPkgSetting.sharedUser); 12598 updatedSettings = true; 12599 } 12600 } 12601 12602 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12603 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12604 perUserInstalled, res, user); 12605 updatedSettings = true; 12606 } 12607 12608 } catch (PackageManagerException e) { 12609 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12610 } 12611 12612 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12613 // Re installation failed. Restore old information 12614 // Remove new pkg information 12615 if (newPackage != null) { 12616 removeInstalledPackageLI(newPackage, true); 12617 } 12618 // Add back the old system package 12619 try { 12620 scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12621 } catch (PackageManagerException e) { 12622 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12623 } 12624 // Restore the old system information in Settings 12625 synchronized (mPackages) { 12626 if (disabledSystem) { 12627 mSettings.enableSystemPackageLPw(packageName); 12628 } 12629 if (updatedSettings) { 12630 mSettings.setInstallerPackageName(packageName, 12631 oldPkgSetting.installerPackageName); 12632 } 12633 mSettings.writeLPr(); 12634 } 12635 } 12636 } 12637 12638 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 12639 // Collect all used permissions in the UID 12640 ArraySet<String> usedPermissions = new ArraySet<>(); 12641 final int packageCount = su.packages.size(); 12642 for (int i = 0; i < packageCount; i++) { 12643 PackageSetting ps = su.packages.valueAt(i); 12644 if (ps.pkg == null) { 12645 continue; 12646 } 12647 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 12648 for (int j = 0; j < requestedPermCount; j++) { 12649 String permission = ps.pkg.requestedPermissions.get(j); 12650 BasePermission bp = mSettings.mPermissions.get(permission); 12651 if (bp != null) { 12652 usedPermissions.add(permission); 12653 } 12654 } 12655 } 12656 12657 PermissionsState permissionsState = su.getPermissionsState(); 12658 // Prune install permissions 12659 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 12660 final int installPermCount = installPermStates.size(); 12661 for (int i = installPermCount - 1; i >= 0; i--) { 12662 PermissionState permissionState = installPermStates.get(i); 12663 if (!usedPermissions.contains(permissionState.getName())) { 12664 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12665 if (bp != null) { 12666 permissionsState.revokeInstallPermission(bp); 12667 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12668 PackageManager.MASK_PERMISSION_FLAGS, 0); 12669 } 12670 } 12671 } 12672 12673 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 12674 12675 // Prune runtime permissions 12676 for (int userId : allUserIds) { 12677 List<PermissionState> runtimePermStates = permissionsState 12678 .getRuntimePermissionStates(userId); 12679 final int runtimePermCount = runtimePermStates.size(); 12680 for (int i = runtimePermCount - 1; i >= 0; i--) { 12681 PermissionState permissionState = runtimePermStates.get(i); 12682 if (!usedPermissions.contains(permissionState.getName())) { 12683 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12684 if (bp != null) { 12685 permissionsState.revokeRuntimePermission(bp, userId); 12686 permissionsState.updatePermissionFlags(bp, userId, 12687 PackageManager.MASK_PERMISSION_FLAGS, 0); 12688 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 12689 runtimePermissionChangedUserIds, userId); 12690 } 12691 } 12692 } 12693 } 12694 12695 return runtimePermissionChangedUserIds; 12696 } 12697 12698 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12699 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12700 UserHandle user) { 12701 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 12702 12703 String pkgName = newPackage.packageName; 12704 synchronized (mPackages) { 12705 //write settings. the installStatus will be incomplete at this stage. 12706 //note that the new package setting would have already been 12707 //added to mPackages. It hasn't been persisted yet. 12708 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12709 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12710 mSettings.writeLPr(); 12711 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12712 } 12713 12714 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12715 synchronized (mPackages) { 12716 updatePermissionsLPw(newPackage.packageName, newPackage, 12717 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12718 ? UPDATE_PERMISSIONS_ALL : 0)); 12719 // For system-bundled packages, we assume that installing an upgraded version 12720 // of the package implies that the user actually wants to run that new code, 12721 // so we enable the package. 12722 PackageSetting ps = mSettings.mPackages.get(pkgName); 12723 if (ps != null) { 12724 if (isSystemApp(newPackage)) { 12725 // NB: implicit assumption that system package upgrades apply to all users 12726 if (DEBUG_INSTALL) { 12727 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12728 } 12729 if (res.origUsers != null) { 12730 for (int userHandle : res.origUsers) { 12731 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12732 userHandle, installerPackageName); 12733 } 12734 } 12735 // Also convey the prior install/uninstall state 12736 if (allUsers != null && perUserInstalled != null) { 12737 for (int i = 0; i < allUsers.length; i++) { 12738 if (DEBUG_INSTALL) { 12739 Slog.d(TAG, " user " + allUsers[i] 12740 + " => " + perUserInstalled[i]); 12741 } 12742 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12743 } 12744 // these install state changes will be persisted in the 12745 // upcoming call to mSettings.writeLPr(). 12746 } 12747 } 12748 // It's implied that when a user requests installation, they want the app to be 12749 // installed and enabled. 12750 int userId = user.getIdentifier(); 12751 if (userId != UserHandle.USER_ALL) { 12752 ps.setInstalled(true, userId); 12753 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12754 } 12755 } 12756 res.name = pkgName; 12757 res.uid = newPackage.applicationInfo.uid; 12758 res.pkg = newPackage; 12759 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12760 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12761 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12762 //to update install status 12763 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12764 mSettings.writeLPr(); 12765 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12766 } 12767 12768 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12769 } 12770 12771 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 12772 try { 12773 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 12774 installPackageLI(args, res); 12775 } finally { 12776 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12777 } 12778 } 12779 12780 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12781 final int installFlags = args.installFlags; 12782 final String installerPackageName = args.installerPackageName; 12783 final String volumeUuid = args.volumeUuid; 12784 final File tmpPackageFile = new File(args.getCodePath()); 12785 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12786 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12787 || (args.volumeUuid != null)); 12788 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 12789 boolean replace = false; 12790 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12791 if (args.move != null) { 12792 // moving a complete application; perfom an initial scan on the new install location 12793 scanFlags |= SCAN_INITIAL; 12794 } 12795 // Result object to be returned 12796 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12797 12798 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12799 12800 // Sanity check 12801 if (ephemeral && (forwardLocked || onExternal)) { 12802 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 12803 + " external=" + onExternal); 12804 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12805 return; 12806 } 12807 12808 // Retrieve PackageSettings and parse package 12809 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12810 | PackageParser.PARSE_ENFORCE_CODE 12811 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12812 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 12813 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 12814 PackageParser pp = new PackageParser(); 12815 pp.setSeparateProcesses(mSeparateProcesses); 12816 pp.setDisplayMetrics(mMetrics); 12817 12818 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 12819 final PackageParser.Package pkg; 12820 try { 12821 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12822 } catch (PackageParserException e) { 12823 res.setError("Failed parse during installPackageLI", e); 12824 return; 12825 } finally { 12826 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12827 } 12828 12829 // Mark that we have an install time CPU ABI override. 12830 pkg.cpuAbiOverride = args.abiOverride; 12831 12832 String pkgName = res.name = pkg.packageName; 12833 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12834 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12835 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12836 return; 12837 } 12838 } 12839 12840 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 12841 try { 12842 pp.collectCertificates(pkg, parseFlags); 12843 } catch (PackageParserException e) { 12844 res.setError("Failed collect during installPackageLI", e); 12845 return; 12846 } finally { 12847 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12848 } 12849 12850 // Get rid of all references to package scan path via parser. 12851 pp = null; 12852 String oldCodePath = null; 12853 boolean systemApp = false; 12854 synchronized (mPackages) { 12855 // Check if installing already existing package 12856 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12857 String oldName = mSettings.mRenamedPackages.get(pkgName); 12858 if (pkg.mOriginalPackages != null 12859 && pkg.mOriginalPackages.contains(oldName) 12860 && mPackages.containsKey(oldName)) { 12861 // This package is derived from an original package, 12862 // and this device has been updating from that original 12863 // name. We must continue using the original name, so 12864 // rename the new package here. 12865 pkg.setPackageName(oldName); 12866 pkgName = pkg.packageName; 12867 replace = true; 12868 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12869 + oldName + " pkgName=" + pkgName); 12870 } else if (mPackages.containsKey(pkgName)) { 12871 // This package, under its official name, already exists 12872 // on the device; we should replace it. 12873 replace = true; 12874 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12875 } 12876 12877 // Prevent apps opting out from runtime permissions 12878 if (replace) { 12879 PackageParser.Package oldPackage = mPackages.get(pkgName); 12880 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12881 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12882 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12883 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12884 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12885 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12886 + " doesn't support runtime permissions but the old" 12887 + " target SDK " + oldTargetSdk + " does."); 12888 return; 12889 } 12890 } 12891 } 12892 12893 PackageSetting ps = mSettings.mPackages.get(pkgName); 12894 if (ps != null) { 12895 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12896 12897 // Quick sanity check that we're signed correctly if updating; 12898 // we'll check this again later when scanning, but we want to 12899 // bail early here before tripping over redefined permissions. 12900 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12901 if (!checkUpgradeKeySetLP(ps, pkg)) { 12902 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12903 + pkg.packageName + " upgrade keys do not match the " 12904 + "previously installed version"); 12905 return; 12906 } 12907 } else { 12908 try { 12909 verifySignaturesLP(ps, pkg); 12910 } catch (PackageManagerException e) { 12911 res.setError(e.error, e.getMessage()); 12912 return; 12913 } 12914 } 12915 12916 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12917 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12918 systemApp = (ps.pkg.applicationInfo.flags & 12919 ApplicationInfo.FLAG_SYSTEM) != 0; 12920 } 12921 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12922 } 12923 12924 // Check whether the newly-scanned package wants to define an already-defined perm 12925 int N = pkg.permissions.size(); 12926 for (int i = N-1; i >= 0; i--) { 12927 PackageParser.Permission perm = pkg.permissions.get(i); 12928 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12929 if (bp != null) { 12930 // If the defining package is signed with our cert, it's okay. This 12931 // also includes the "updating the same package" case, of course. 12932 // "updating same package" could also involve key-rotation. 12933 final boolean sigsOk; 12934 if (bp.sourcePackage.equals(pkg.packageName) 12935 && (bp.packageSetting instanceof PackageSetting) 12936 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12937 scanFlags))) { 12938 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12939 } else { 12940 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12941 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12942 } 12943 if (!sigsOk) { 12944 // If the owning package is the system itself, we log but allow 12945 // install to proceed; we fail the install on all other permission 12946 // redefinitions. 12947 if (!bp.sourcePackage.equals("android")) { 12948 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12949 + pkg.packageName + " attempting to redeclare permission " 12950 + perm.info.name + " already owned by " + bp.sourcePackage); 12951 res.origPermission = perm.info.name; 12952 res.origPackage = bp.sourcePackage; 12953 return; 12954 } else { 12955 Slog.w(TAG, "Package " + pkg.packageName 12956 + " attempting to redeclare system permission " 12957 + perm.info.name + "; ignoring new declaration"); 12958 pkg.permissions.remove(i); 12959 } 12960 } 12961 } 12962 } 12963 12964 } 12965 12966 if (systemApp) { 12967 if (onExternal) { 12968 // Abort update; system app can't be replaced with app on sdcard 12969 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12970 "Cannot install updates to system apps on sdcard"); 12971 return; 12972 } else if (ephemeral) { 12973 // Abort update; system app can't be replaced with an ephemeral app 12974 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 12975 "Cannot update a system app with an ephemeral app"); 12976 return; 12977 } 12978 } 12979 12980 if (args.move != null) { 12981 // We did an in-place move, so dex is ready to roll 12982 scanFlags |= SCAN_NO_DEX; 12983 scanFlags |= SCAN_MOVE; 12984 12985 synchronized (mPackages) { 12986 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12987 if (ps == null) { 12988 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 12989 "Missing settings for moved package " + pkgName); 12990 } 12991 12992 // We moved the entire application as-is, so bring over the 12993 // previously derived ABI information. 12994 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 12995 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 12996 } 12997 12998 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12999 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 13000 scanFlags |= SCAN_NO_DEX; 13001 13002 try { 13003 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 13004 true /* extract libs */); 13005 } catch (PackageManagerException pme) { 13006 Slog.e(TAG, "Error deriving application ABI", pme); 13007 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 13008 return; 13009 } 13010 } 13011 13012 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 13013 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 13014 return; 13015 } 13016 13017 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 13018 13019 if (replace) { 13020 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 13021 installerPackageName, volumeUuid, res); 13022 } else { 13023 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 13024 args.user, installerPackageName, volumeUuid, res); 13025 } 13026 synchronized (mPackages) { 13027 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13028 if (ps != null) { 13029 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13030 } 13031 } 13032 } 13033 13034 private void startIntentFilterVerifications(int userId, boolean replacing, 13035 PackageParser.Package pkg) { 13036 if (mIntentFilterVerifierComponent == null) { 13037 Slog.w(TAG, "No IntentFilter verification will not be done as " 13038 + "there is no IntentFilterVerifier available!"); 13039 return; 13040 } 13041 13042 final int verifierUid = getPackageUid( 13043 mIntentFilterVerifierComponent.getPackageName(), 13044 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 13045 13046 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 13047 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 13048 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 13049 mHandler.sendMessage(msg); 13050 } 13051 13052 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 13053 PackageParser.Package pkg) { 13054 int size = pkg.activities.size(); 13055 if (size == 0) { 13056 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13057 "No activity, so no need to verify any IntentFilter!"); 13058 return; 13059 } 13060 13061 final boolean hasDomainURLs = hasDomainURLs(pkg); 13062 if (!hasDomainURLs) { 13063 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13064 "No domain URLs, so no need to verify any IntentFilter!"); 13065 return; 13066 } 13067 13068 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 13069 + " if any IntentFilter from the " + size 13070 + " Activities needs verification ..."); 13071 13072 int count = 0; 13073 final String packageName = pkg.packageName; 13074 13075 synchronized (mPackages) { 13076 // If this is a new install and we see that we've already run verification for this 13077 // package, we have nothing to do: it means the state was restored from backup. 13078 if (!replacing) { 13079 IntentFilterVerificationInfo ivi = 13080 mSettings.getIntentFilterVerificationLPr(packageName); 13081 if (ivi != null) { 13082 if (DEBUG_DOMAIN_VERIFICATION) { 13083 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 13084 + ivi.getStatusString()); 13085 } 13086 return; 13087 } 13088 } 13089 13090 // If any filters need to be verified, then all need to be. 13091 boolean needToVerify = false; 13092 for (PackageParser.Activity a : pkg.activities) { 13093 for (ActivityIntentInfo filter : a.intents) { 13094 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 13095 if (DEBUG_DOMAIN_VERIFICATION) { 13096 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 13097 } 13098 needToVerify = true; 13099 break; 13100 } 13101 } 13102 } 13103 13104 if (needToVerify) { 13105 final int verificationId = mIntentFilterVerificationToken++; 13106 for (PackageParser.Activity a : pkg.activities) { 13107 for (ActivityIntentInfo filter : a.intents) { 13108 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 13109 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13110 "Verification needed for IntentFilter:" + filter.toString()); 13111 mIntentFilterVerifier.addOneIntentFilterVerification( 13112 verifierUid, userId, verificationId, filter, packageName); 13113 count++; 13114 } 13115 } 13116 } 13117 } 13118 } 13119 13120 if (count > 0) { 13121 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 13122 + " IntentFilter verification" + (count > 1 ? "s" : "") 13123 + " for userId:" + userId); 13124 mIntentFilterVerifier.startVerifications(userId); 13125 } else { 13126 if (DEBUG_DOMAIN_VERIFICATION) { 13127 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 13128 } 13129 } 13130 } 13131 13132 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 13133 final ComponentName cn = filter.activity.getComponentName(); 13134 final String packageName = cn.getPackageName(); 13135 13136 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 13137 packageName); 13138 if (ivi == null) { 13139 return true; 13140 } 13141 int status = ivi.getStatus(); 13142 switch (status) { 13143 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 13144 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 13145 return true; 13146 13147 default: 13148 // Nothing to do 13149 return false; 13150 } 13151 } 13152 13153 private static boolean isMultiArch(ApplicationInfo info) { 13154 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 13155 } 13156 13157 private static boolean isExternal(PackageParser.Package pkg) { 13158 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13159 } 13160 13161 private static boolean isExternal(PackageSetting ps) { 13162 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13163 } 13164 13165 private static boolean isEphemeral(PackageParser.Package pkg) { 13166 return pkg.applicationInfo.isEphemeralApp(); 13167 } 13168 13169 private static boolean isEphemeral(PackageSetting ps) { 13170 return ps.pkg != null && isEphemeral(ps.pkg); 13171 } 13172 13173 private static boolean isSystemApp(PackageParser.Package pkg) { 13174 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 13175 } 13176 13177 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 13178 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13179 } 13180 13181 private static boolean hasDomainURLs(PackageParser.Package pkg) { 13182 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 13183 } 13184 13185 private static boolean isSystemApp(PackageSetting ps) { 13186 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 13187 } 13188 13189 private static boolean isUpdatedSystemApp(PackageSetting ps) { 13190 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 13191 } 13192 13193 private int packageFlagsToInstallFlags(PackageSetting ps) { 13194 int installFlags = 0; 13195 if (isEphemeral(ps)) { 13196 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13197 } 13198 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 13199 // This existing package was an external ASEC install when we have 13200 // the external flag without a UUID 13201 installFlags |= PackageManager.INSTALL_EXTERNAL; 13202 } 13203 if (ps.isForwardLocked()) { 13204 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13205 } 13206 return installFlags; 13207 } 13208 13209 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 13210 if (isExternal(pkg)) { 13211 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13212 return StorageManager.UUID_PRIMARY_PHYSICAL; 13213 } else { 13214 return pkg.volumeUuid; 13215 } 13216 } else { 13217 return StorageManager.UUID_PRIVATE_INTERNAL; 13218 } 13219 } 13220 13221 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 13222 if (isExternal(pkg)) { 13223 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13224 return mSettings.getExternalVersion(); 13225 } else { 13226 return mSettings.findOrCreateVersion(pkg.volumeUuid); 13227 } 13228 } else { 13229 return mSettings.getInternalVersion(); 13230 } 13231 } 13232 13233 private void deleteTempPackageFiles() { 13234 final FilenameFilter filter = new FilenameFilter() { 13235 public boolean accept(File dir, String name) { 13236 return name.startsWith("vmdl") && name.endsWith(".tmp"); 13237 } 13238 }; 13239 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 13240 file.delete(); 13241 } 13242 } 13243 13244 @Override 13245 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 13246 int flags) { 13247 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 13248 flags); 13249 } 13250 13251 @Override 13252 public void deletePackage(final String packageName, 13253 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 13254 mContext.enforceCallingOrSelfPermission( 13255 android.Manifest.permission.DELETE_PACKAGES, null); 13256 Preconditions.checkNotNull(packageName); 13257 Preconditions.checkNotNull(observer); 13258 final int uid = Binder.getCallingUid(); 13259 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 13260 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 13261 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 13262 mContext.enforceCallingOrSelfPermission( 13263 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 13264 "deletePackage for user " + userId); 13265 } 13266 13267 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 13268 try { 13269 observer.onPackageDeleted(packageName, 13270 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 13271 } catch (RemoteException re) { 13272 } 13273 return; 13274 } 13275 13276 for (int currentUserId : users) { 13277 if (getBlockUninstallForUser(packageName, currentUserId)) { 13278 try { 13279 observer.onPackageDeleted(packageName, 13280 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 13281 } catch (RemoteException re) { 13282 } 13283 return; 13284 } 13285 } 13286 13287 if (DEBUG_REMOVE) { 13288 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 13289 } 13290 // Queue up an async operation since the package deletion may take a little while. 13291 mHandler.post(new Runnable() { 13292 public void run() { 13293 mHandler.removeCallbacks(this); 13294 final int returnCode = deletePackageX(packageName, userId, flags); 13295 try { 13296 observer.onPackageDeleted(packageName, returnCode, null); 13297 } catch (RemoteException e) { 13298 Log.i(TAG, "Observer no longer exists."); 13299 } //end catch 13300 } //end run 13301 }); 13302 } 13303 13304 private boolean isPackageDeviceAdmin(String packageName, int userId) { 13305 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13306 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13307 try { 13308 if (dpm != null) { 13309 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 13310 /* callingUserOnly =*/ false); 13311 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 13312 : deviceOwnerComponentName.getPackageName(); 13313 // Does the package contains the device owner? 13314 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 13315 // this check is probably not needed, since DO should be registered as a device 13316 // admin on some user too. (Original bug for this: b/17657954) 13317 if (packageName.equals(deviceOwnerPackageName)) { 13318 return true; 13319 } 13320 // Does it contain a device admin for any user? 13321 int[] users; 13322 if (userId == UserHandle.USER_ALL) { 13323 users = sUserManager.getUserIds(); 13324 } else { 13325 users = new int[]{userId}; 13326 } 13327 for (int i = 0; i < users.length; ++i) { 13328 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 13329 return true; 13330 } 13331 } 13332 } 13333 } catch (RemoteException e) { 13334 } 13335 return false; 13336 } 13337 13338 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 13339 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 13340 } 13341 13342 /** 13343 * This method is an internal method that could be get invoked either 13344 * to delete an installed package or to clean up a failed installation. 13345 * After deleting an installed package, a broadcast is sent to notify any 13346 * listeners that the package has been installed. For cleaning up a failed 13347 * installation, the broadcast is not necessary since the package's 13348 * installation wouldn't have sent the initial broadcast either 13349 * The key steps in deleting a package are 13350 * deleting the package information in internal structures like mPackages, 13351 * deleting the packages base directories through installd 13352 * updating mSettings to reflect current status 13353 * persisting settings for later use 13354 * sending a broadcast if necessary 13355 */ 13356 private int deletePackageX(String packageName, int userId, int flags) { 13357 final PackageRemovedInfo info = new PackageRemovedInfo(); 13358 final boolean res; 13359 13360 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 13361 ? UserHandle.ALL : new UserHandle(userId); 13362 13363 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 13364 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 13365 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 13366 } 13367 13368 boolean removedForAllUsers = false; 13369 boolean systemUpdate = false; 13370 13371 PackageParser.Package uninstalledPkg; 13372 13373 // for the uninstall-updates case and restricted profiles, remember the per- 13374 // userhandle installed state 13375 int[] allUsers; 13376 boolean[] perUserInstalled; 13377 synchronized (mPackages) { 13378 uninstalledPkg = mPackages.get(packageName); 13379 PackageSetting ps = mSettings.mPackages.get(packageName); 13380 allUsers = sUserManager.getUserIds(); 13381 perUserInstalled = new boolean[allUsers.length]; 13382 for (int i = 0; i < allUsers.length; i++) { 13383 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 13384 } 13385 } 13386 13387 synchronized (mInstallLock) { 13388 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 13389 res = deletePackageLI(packageName, removeForUser, 13390 true, allUsers, perUserInstalled, 13391 flags | REMOVE_CHATTY, info, true); 13392 systemUpdate = info.isRemovedPackageSystemUpdate; 13393 synchronized (mPackages) { 13394 if (res) { 13395 if (!systemUpdate && mPackages.get(packageName) == null) { 13396 removedForAllUsers = true; 13397 } 13398 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPkg); 13399 } 13400 } 13401 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 13402 + " removedForAllUsers=" + removedForAllUsers); 13403 } 13404 13405 if (res) { 13406 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 13407 13408 // If the removed package was a system update, the old system package 13409 // was re-enabled; we need to broadcast this information 13410 if (systemUpdate) { 13411 Bundle extras = new Bundle(1); 13412 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 13413 ? info.removedAppId : info.uid); 13414 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13415 13416 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 13417 extras, 0, null, null, null); 13418 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 13419 extras, 0, null, null, null); 13420 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 13421 null, 0, packageName, null, null); 13422 } 13423 } 13424 // Force a gc here. 13425 Runtime.getRuntime().gc(); 13426 // Delete the resources here after sending the broadcast to let 13427 // other processes clean up before deleting resources. 13428 if (info.args != null) { 13429 synchronized (mInstallLock) { 13430 info.args.doPostDeleteLI(true); 13431 } 13432 } 13433 13434 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 13435 } 13436 13437 class PackageRemovedInfo { 13438 String removedPackage; 13439 int uid = -1; 13440 int removedAppId = -1; 13441 int[] removedUsers = null; 13442 boolean isRemovedPackageSystemUpdate = false; 13443 // Clean up resources deleted packages. 13444 InstallArgs args = null; 13445 13446 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 13447 Bundle extras = new Bundle(1); 13448 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 13449 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 13450 if (replacing) { 13451 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13452 } 13453 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 13454 if (removedPackage != null) { 13455 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 13456 extras, 0, null, null, removedUsers); 13457 if (fullRemove && !replacing) { 13458 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 13459 extras, 0, null, null, removedUsers); 13460 } 13461 } 13462 if (removedAppId >= 0) { 13463 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 13464 removedUsers); 13465 } 13466 } 13467 } 13468 13469 /* 13470 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 13471 * flag is not set, the data directory is removed as well. 13472 * make sure this flag is set for partially installed apps. If not its meaningless to 13473 * delete a partially installed application. 13474 */ 13475 private void removePackageDataLI(PackageSetting ps, 13476 int[] allUserHandles, boolean[] perUserInstalled, 13477 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 13478 String packageName = ps.name; 13479 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 13480 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 13481 // Retrieve object to delete permissions for shared user later on 13482 final PackageSetting deletedPs; 13483 // reader 13484 synchronized (mPackages) { 13485 deletedPs = mSettings.mPackages.get(packageName); 13486 if (outInfo != null) { 13487 outInfo.removedPackage = packageName; 13488 outInfo.removedUsers = deletedPs != null 13489 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 13490 : null; 13491 } 13492 } 13493 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13494 removeDataDirsLI(ps.volumeUuid, packageName); 13495 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 13496 } 13497 // writer 13498 synchronized (mPackages) { 13499 if (deletedPs != null) { 13500 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13501 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 13502 clearDefaultBrowserIfNeeded(packageName); 13503 if (outInfo != null) { 13504 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 13505 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 13506 } 13507 updatePermissionsLPw(deletedPs.name, null, 0); 13508 if (deletedPs.sharedUser != null) { 13509 // Remove permissions associated with package. Since runtime 13510 // permissions are per user we have to kill the removed package 13511 // or packages running under the shared user of the removed 13512 // package if revoking the permissions requested only by the removed 13513 // package is successful and this causes a change in gids. 13514 for (int userId : UserManagerService.getInstance().getUserIds()) { 13515 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 13516 userId); 13517 if (userIdToKill == UserHandle.USER_ALL 13518 || userIdToKill >= UserHandle.USER_SYSTEM) { 13519 // If gids changed for this user, kill all affected packages. 13520 mHandler.post(new Runnable() { 13521 @Override 13522 public void run() { 13523 // This has to happen with no lock held. 13524 killApplication(deletedPs.name, deletedPs.appId, 13525 KILL_APP_REASON_GIDS_CHANGED); 13526 } 13527 }); 13528 break; 13529 } 13530 } 13531 } 13532 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 13533 } 13534 // make sure to preserve per-user disabled state if this removal was just 13535 // a downgrade of a system app to the factory package 13536 if (allUserHandles != null && perUserInstalled != null) { 13537 if (DEBUG_REMOVE) { 13538 Slog.d(TAG, "Propagating install state across downgrade"); 13539 } 13540 for (int i = 0; i < allUserHandles.length; i++) { 13541 if (DEBUG_REMOVE) { 13542 Slog.d(TAG, " user " + allUserHandles[i] 13543 + " => " + perUserInstalled[i]); 13544 } 13545 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13546 } 13547 } 13548 } 13549 // can downgrade to reader 13550 if (writeSettings) { 13551 // Save settings now 13552 mSettings.writeLPr(); 13553 } 13554 } 13555 if (outInfo != null) { 13556 // A user ID was deleted here. Go through all users and remove it 13557 // from KeyStore. 13558 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 13559 } 13560 } 13561 13562 static boolean locationIsPrivileged(File path) { 13563 try { 13564 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 13565 .getCanonicalPath(); 13566 return path.getCanonicalPath().startsWith(privilegedAppDir); 13567 } catch (IOException e) { 13568 Slog.e(TAG, "Unable to access code path " + path); 13569 } 13570 return false; 13571 } 13572 13573 /* 13574 * Tries to delete system package. 13575 */ 13576 private boolean deleteSystemPackageLI(PackageSetting newPs, 13577 int[] allUserHandles, boolean[] perUserInstalled, 13578 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 13579 final boolean applyUserRestrictions 13580 = (allUserHandles != null) && (perUserInstalled != null); 13581 PackageSetting disabledPs = null; 13582 // Confirm if the system package has been updated 13583 // An updated system app can be deleted. This will also have to restore 13584 // the system pkg from system partition 13585 // reader 13586 synchronized (mPackages) { 13587 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 13588 } 13589 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 13590 + " disabledPs=" + disabledPs); 13591 if (disabledPs == null) { 13592 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 13593 return false; 13594 } else if (DEBUG_REMOVE) { 13595 Slog.d(TAG, "Deleting system pkg from data partition"); 13596 } 13597 if (DEBUG_REMOVE) { 13598 if (applyUserRestrictions) { 13599 Slog.d(TAG, "Remembering install states:"); 13600 for (int i = 0; i < allUserHandles.length; i++) { 13601 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 13602 } 13603 } 13604 } 13605 // Delete the updated package 13606 outInfo.isRemovedPackageSystemUpdate = true; 13607 if (disabledPs.versionCode < newPs.versionCode) { 13608 // Delete data for downgrades 13609 flags &= ~PackageManager.DELETE_KEEP_DATA; 13610 } else { 13611 // Preserve data by setting flag 13612 flags |= PackageManager.DELETE_KEEP_DATA; 13613 } 13614 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13615 allUserHandles, perUserInstalled, outInfo, writeSettings); 13616 if (!ret) { 13617 return false; 13618 } 13619 // writer 13620 synchronized (mPackages) { 13621 // Reinstate the old system package 13622 mSettings.enableSystemPackageLPw(newPs.name); 13623 // Remove any native libraries from the upgraded package. 13624 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13625 } 13626 // Install the system package 13627 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13628 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13629 if (locationIsPrivileged(disabledPs.codePath)) { 13630 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13631 } 13632 13633 final PackageParser.Package newPkg; 13634 try { 13635 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13636 } catch (PackageManagerException e) { 13637 Slog.w(TAG, "Failed to restore system package " + newPs.name + ": " + e.getMessage()); 13638 return false; 13639 } 13640 13641 // writer 13642 synchronized (mPackages) { 13643 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13644 13645 // Propagate the permissions state as we do not want to drop on the floor 13646 // runtime permissions. The update permissions method below will take 13647 // care of removing obsolete permissions and grant install permissions. 13648 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13649 updatePermissionsLPw(newPkg.packageName, newPkg, 13650 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13651 13652 if (applyUserRestrictions) { 13653 if (DEBUG_REMOVE) { 13654 Slog.d(TAG, "Propagating install state across reinstall"); 13655 } 13656 for (int i = 0; i < allUserHandles.length; i++) { 13657 if (DEBUG_REMOVE) { 13658 Slog.d(TAG, " user " + allUserHandles[i] 13659 + " => " + perUserInstalled[i]); 13660 } 13661 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13662 13663 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13664 } 13665 // Regardless of writeSettings we need to ensure that this restriction 13666 // state propagation is persisted 13667 mSettings.writeAllUsersPackageRestrictionsLPr(); 13668 } 13669 // can downgrade to reader here 13670 if (writeSettings) { 13671 mSettings.writeLPr(); 13672 } 13673 } 13674 return true; 13675 } 13676 13677 private boolean deleteInstalledPackageLI(PackageSetting ps, 13678 boolean deleteCodeAndResources, int flags, 13679 int[] allUserHandles, boolean[] perUserInstalled, 13680 PackageRemovedInfo outInfo, boolean writeSettings) { 13681 if (outInfo != null) { 13682 outInfo.uid = ps.appId; 13683 } 13684 13685 // Delete package data from internal structures and also remove data if flag is set 13686 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13687 13688 // Delete application code and resources 13689 if (deleteCodeAndResources && (outInfo != null)) { 13690 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13691 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13692 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13693 } 13694 return true; 13695 } 13696 13697 @Override 13698 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13699 int userId) { 13700 mContext.enforceCallingOrSelfPermission( 13701 android.Manifest.permission.DELETE_PACKAGES, null); 13702 synchronized (mPackages) { 13703 PackageSetting ps = mSettings.mPackages.get(packageName); 13704 if (ps == null) { 13705 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13706 return false; 13707 } 13708 if (!ps.getInstalled(userId)) { 13709 // Can't block uninstall for an app that is not installed or enabled. 13710 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13711 return false; 13712 } 13713 ps.setBlockUninstall(blockUninstall, userId); 13714 mSettings.writePackageRestrictionsLPr(userId); 13715 } 13716 return true; 13717 } 13718 13719 @Override 13720 public boolean getBlockUninstallForUser(String packageName, int userId) { 13721 synchronized (mPackages) { 13722 PackageSetting ps = mSettings.mPackages.get(packageName); 13723 if (ps == null) { 13724 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13725 return false; 13726 } 13727 return ps.getBlockUninstall(userId); 13728 } 13729 } 13730 13731 @Override 13732 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 13733 int callingUid = Binder.getCallingUid(); 13734 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 13735 throw new SecurityException( 13736 "setRequiredForSystemUser can only be run by the system or root"); 13737 } 13738 synchronized (mPackages) { 13739 PackageSetting ps = mSettings.mPackages.get(packageName); 13740 if (ps == null) { 13741 Log.w(TAG, "Package doesn't exist: " + packageName); 13742 return false; 13743 } 13744 if (systemUserApp) { 13745 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13746 } else { 13747 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13748 } 13749 mSettings.writeLPr(); 13750 } 13751 return true; 13752 } 13753 13754 /* 13755 * This method handles package deletion in general 13756 */ 13757 private boolean deletePackageLI(String packageName, UserHandle user, 13758 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13759 int flags, PackageRemovedInfo outInfo, 13760 boolean writeSettings) { 13761 if (packageName == null) { 13762 Slog.w(TAG, "Attempt to delete null packageName."); 13763 return false; 13764 } 13765 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13766 PackageSetting ps; 13767 boolean dataOnly = false; 13768 int removeUser = -1; 13769 int appId = -1; 13770 synchronized (mPackages) { 13771 ps = mSettings.mPackages.get(packageName); 13772 if (ps == null) { 13773 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13774 return false; 13775 } 13776 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13777 && user.getIdentifier() != UserHandle.USER_ALL) { 13778 // The caller is asking that the package only be deleted for a single 13779 // user. To do this, we just mark its uninstalled state and delete 13780 // its data. If this is a system app, we only allow this to happen if 13781 // they have set the special DELETE_SYSTEM_APP which requests different 13782 // semantics than normal for uninstalling system apps. 13783 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13784 final int userId = user.getIdentifier(); 13785 ps.setUserState(userId, 13786 COMPONENT_ENABLED_STATE_DEFAULT, 13787 false, //installed 13788 true, //stopped 13789 true, //notLaunched 13790 false, //hidden 13791 false, //suspended 13792 null, null, null, 13793 false, // blockUninstall 13794 ps.readUserState(userId).domainVerificationStatus, 0); 13795 if (!isSystemApp(ps)) { 13796 // Do not uninstall the APK if an app should be cached 13797 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 13798 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 13799 // Other user still have this package installed, so all 13800 // we need to do is clear this user's data and save that 13801 // it is uninstalled. 13802 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13803 removeUser = user.getIdentifier(); 13804 appId = ps.appId; 13805 scheduleWritePackageRestrictionsLocked(removeUser); 13806 } else { 13807 // We need to set it back to 'installed' so the uninstall 13808 // broadcasts will be sent correctly. 13809 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13810 ps.setInstalled(true, user.getIdentifier()); 13811 } 13812 } else { 13813 // This is a system app, so we assume that the 13814 // other users still have this package installed, so all 13815 // we need to do is clear this user's data and save that 13816 // it is uninstalled. 13817 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13818 removeUser = user.getIdentifier(); 13819 appId = ps.appId; 13820 scheduleWritePackageRestrictionsLocked(removeUser); 13821 } 13822 } 13823 } 13824 13825 if (removeUser >= 0) { 13826 // From above, we determined that we are deleting this only 13827 // for a single user. Continue the work here. 13828 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13829 if (outInfo != null) { 13830 outInfo.removedPackage = packageName; 13831 outInfo.removedAppId = appId; 13832 outInfo.removedUsers = new int[] {removeUser}; 13833 } 13834 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13835 removeKeystoreDataIfNeeded(removeUser, appId); 13836 schedulePackageCleaning(packageName, removeUser, false); 13837 synchronized (mPackages) { 13838 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13839 scheduleWritePackageRestrictionsLocked(removeUser); 13840 } 13841 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13842 } 13843 return true; 13844 } 13845 13846 if (dataOnly) { 13847 // Delete application data first 13848 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13849 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13850 return true; 13851 } 13852 13853 boolean ret = false; 13854 if (isSystemApp(ps)) { 13855 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 13856 // When an updated system application is deleted we delete the existing resources as well and 13857 // fall back to existing code in system partition 13858 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13859 flags, outInfo, writeSettings); 13860 } else { 13861 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 13862 // Kill application pre-emptively especially for apps on sd. 13863 killApplication(packageName, ps.appId, "uninstall pkg"); 13864 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13865 allUserHandles, perUserInstalled, 13866 outInfo, writeSettings); 13867 } 13868 13869 return ret; 13870 } 13871 13872 private final static class ClearStorageConnection implements ServiceConnection { 13873 IMediaContainerService mContainerService; 13874 13875 @Override 13876 public void onServiceConnected(ComponentName name, IBinder service) { 13877 synchronized (this) { 13878 mContainerService = IMediaContainerService.Stub.asInterface(service); 13879 notifyAll(); 13880 } 13881 } 13882 13883 @Override 13884 public void onServiceDisconnected(ComponentName name) { 13885 } 13886 } 13887 13888 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13889 final boolean mounted; 13890 if (Environment.isExternalStorageEmulated()) { 13891 mounted = true; 13892 } else { 13893 final String status = Environment.getExternalStorageState(); 13894 13895 mounted = status.equals(Environment.MEDIA_MOUNTED) 13896 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13897 } 13898 13899 if (!mounted) { 13900 return; 13901 } 13902 13903 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13904 int[] users; 13905 if (userId == UserHandle.USER_ALL) { 13906 users = sUserManager.getUserIds(); 13907 } else { 13908 users = new int[] { userId }; 13909 } 13910 final ClearStorageConnection conn = new ClearStorageConnection(); 13911 if (mContext.bindServiceAsUser( 13912 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 13913 try { 13914 for (int curUser : users) { 13915 long timeout = SystemClock.uptimeMillis() + 5000; 13916 synchronized (conn) { 13917 long now = SystemClock.uptimeMillis(); 13918 while (conn.mContainerService == null && now < timeout) { 13919 try { 13920 conn.wait(timeout - now); 13921 } catch (InterruptedException e) { 13922 } 13923 } 13924 } 13925 if (conn.mContainerService == null) { 13926 return; 13927 } 13928 13929 final UserEnvironment userEnv = new UserEnvironment(curUser); 13930 clearDirectory(conn.mContainerService, 13931 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13932 if (allData) { 13933 clearDirectory(conn.mContainerService, 13934 userEnv.buildExternalStorageAppDataDirs(packageName)); 13935 clearDirectory(conn.mContainerService, 13936 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13937 } 13938 } 13939 } finally { 13940 mContext.unbindService(conn); 13941 } 13942 } 13943 } 13944 13945 @Override 13946 public void clearApplicationUserData(final String packageName, 13947 final IPackageDataObserver observer, final int userId) { 13948 mContext.enforceCallingOrSelfPermission( 13949 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13950 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13951 // Queue up an async operation since the package deletion may take a little while. 13952 mHandler.post(new Runnable() { 13953 public void run() { 13954 mHandler.removeCallbacks(this); 13955 final boolean succeeded; 13956 synchronized (mInstallLock) { 13957 succeeded = clearApplicationUserDataLI(packageName, userId); 13958 } 13959 clearExternalStorageDataSync(packageName, userId, true); 13960 if (succeeded) { 13961 // invoke DeviceStorageMonitor's update method to clear any notifications 13962 DeviceStorageMonitorInternal 13963 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13964 if (dsm != null) { 13965 dsm.checkMemory(); 13966 } 13967 } 13968 if(observer != null) { 13969 try { 13970 observer.onRemoveCompleted(packageName, succeeded); 13971 } catch (RemoteException e) { 13972 Log.i(TAG, "Observer no longer exists."); 13973 } 13974 } //end if observer 13975 } //end run 13976 }); 13977 } 13978 13979 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13980 if (packageName == null) { 13981 Slog.w(TAG, "Attempt to delete null packageName."); 13982 return false; 13983 } 13984 13985 // Try finding details about the requested package 13986 PackageParser.Package pkg; 13987 synchronized (mPackages) { 13988 pkg = mPackages.get(packageName); 13989 if (pkg == null) { 13990 final PackageSetting ps = mSettings.mPackages.get(packageName); 13991 if (ps != null) { 13992 pkg = ps.pkg; 13993 } 13994 } 13995 13996 if (pkg == null) { 13997 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13998 return false; 13999 } 14000 14001 PackageSetting ps = (PackageSetting) pkg.mExtras; 14002 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 14003 } 14004 14005 // Always delete data directories for package, even if we found no other 14006 // record of app. This helps users recover from UID mismatches without 14007 // resorting to a full data wipe. 14008 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 14009 if (retCode < 0) { 14010 Slog.w(TAG, "Couldn't remove cache files for package " + packageName); 14011 return false; 14012 } 14013 14014 final int appId = pkg.applicationInfo.uid; 14015 removeKeystoreDataIfNeeded(userId, appId); 14016 14017 // Create a native library symlink only if we have native libraries 14018 // and if the native libraries are 32 bit libraries. We do not provide 14019 // this symlink for 64 bit libraries. 14020 if (pkg.applicationInfo.primaryCpuAbi != null && 14021 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 14022 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 14023 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 14024 nativeLibPath, userId) < 0) { 14025 Slog.w(TAG, "Failed linking native library dir"); 14026 return false; 14027 } 14028 } 14029 14030 return true; 14031 } 14032 14033 /** 14034 * Reverts user permission state changes (permissions and flags) in 14035 * all packages for a given user. 14036 * 14037 * @param userId The device user for which to do a reset. 14038 */ 14039 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 14040 final int packageCount = mPackages.size(); 14041 for (int i = 0; i < packageCount; i++) { 14042 PackageParser.Package pkg = mPackages.valueAt(i); 14043 PackageSetting ps = (PackageSetting) pkg.mExtras; 14044 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 14045 } 14046 } 14047 14048 /** 14049 * Reverts user permission state changes (permissions and flags). 14050 * 14051 * @param ps The package for which to reset. 14052 * @param userId The device user for which to do a reset. 14053 */ 14054 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 14055 final PackageSetting ps, final int userId) { 14056 if (ps.pkg == null) { 14057 return; 14058 } 14059 14060 // These are flags that can change base on user actions. 14061 final int userSettableMask = FLAG_PERMISSION_USER_SET 14062 | FLAG_PERMISSION_USER_FIXED 14063 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 14064 | FLAG_PERMISSION_REVIEW_REQUIRED; 14065 14066 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 14067 | FLAG_PERMISSION_POLICY_FIXED; 14068 14069 boolean writeInstallPermissions = false; 14070 boolean writeRuntimePermissions = false; 14071 14072 final int permissionCount = ps.pkg.requestedPermissions.size(); 14073 for (int i = 0; i < permissionCount; i++) { 14074 String permission = ps.pkg.requestedPermissions.get(i); 14075 14076 BasePermission bp = mSettings.mPermissions.get(permission); 14077 if (bp == null) { 14078 continue; 14079 } 14080 14081 // If shared user we just reset the state to which only this app contributed. 14082 if (ps.sharedUser != null) { 14083 boolean used = false; 14084 final int packageCount = ps.sharedUser.packages.size(); 14085 for (int j = 0; j < packageCount; j++) { 14086 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 14087 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 14088 && pkg.pkg.requestedPermissions.contains(permission)) { 14089 used = true; 14090 break; 14091 } 14092 } 14093 if (used) { 14094 continue; 14095 } 14096 } 14097 14098 PermissionsState permissionsState = ps.getPermissionsState(); 14099 14100 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 14101 14102 // Always clear the user settable flags. 14103 final boolean hasInstallState = permissionsState.getInstallPermissionState( 14104 bp.name) != null; 14105 // If permission review is enabled and this is a legacy app, mark the 14106 // permission as requiring a review as this is the initial state. 14107 int flags = 0; 14108 if (Build.PERMISSIONS_REVIEW_REQUIRED 14109 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 14110 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 14111 } 14112 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 14113 if (hasInstallState) { 14114 writeInstallPermissions = true; 14115 } else { 14116 writeRuntimePermissions = true; 14117 } 14118 } 14119 14120 // Below is only runtime permission handling. 14121 if (!bp.isRuntime()) { 14122 continue; 14123 } 14124 14125 // Never clobber system or policy. 14126 if ((oldFlags & policyOrSystemFlags) != 0) { 14127 continue; 14128 } 14129 14130 // If this permission was granted by default, make sure it is. 14131 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 14132 if (permissionsState.grantRuntimePermission(bp, userId) 14133 != PERMISSION_OPERATION_FAILURE) { 14134 writeRuntimePermissions = true; 14135 } 14136 // If permission review is enabled the permissions for a legacy apps 14137 // are represented as constantly granted runtime ones, so don't revoke. 14138 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 14139 // Otherwise, reset the permission. 14140 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 14141 switch (revokeResult) { 14142 case PERMISSION_OPERATION_SUCCESS: { 14143 writeRuntimePermissions = true; 14144 } break; 14145 14146 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 14147 writeRuntimePermissions = true; 14148 final int appId = ps.appId; 14149 mHandler.post(new Runnable() { 14150 @Override 14151 public void run() { 14152 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 14153 } 14154 }); 14155 } break; 14156 } 14157 } 14158 } 14159 14160 // Synchronously write as we are taking permissions away. 14161 if (writeRuntimePermissions) { 14162 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 14163 } 14164 14165 // Synchronously write as we are taking permissions away. 14166 if (writeInstallPermissions) { 14167 mSettings.writeLPr(); 14168 } 14169 } 14170 14171 /** 14172 * Remove entries from the keystore daemon. Will only remove it if the 14173 * {@code appId} is valid. 14174 */ 14175 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 14176 if (appId < 0) { 14177 return; 14178 } 14179 14180 final KeyStore keyStore = KeyStore.getInstance(); 14181 if (keyStore != null) { 14182 if (userId == UserHandle.USER_ALL) { 14183 for (final int individual : sUserManager.getUserIds()) { 14184 keyStore.clearUid(UserHandle.getUid(individual, appId)); 14185 } 14186 } else { 14187 keyStore.clearUid(UserHandle.getUid(userId, appId)); 14188 } 14189 } else { 14190 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 14191 } 14192 } 14193 14194 @Override 14195 public void deleteApplicationCacheFiles(final String packageName, 14196 final IPackageDataObserver observer) { 14197 mContext.enforceCallingOrSelfPermission( 14198 android.Manifest.permission.DELETE_CACHE_FILES, null); 14199 // Queue up an async operation since the package deletion may take a little while. 14200 final int userId = UserHandle.getCallingUserId(); 14201 mHandler.post(new Runnable() { 14202 public void run() { 14203 mHandler.removeCallbacks(this); 14204 final boolean succeded; 14205 synchronized (mInstallLock) { 14206 succeded = deleteApplicationCacheFilesLI(packageName, userId); 14207 } 14208 clearExternalStorageDataSync(packageName, userId, false); 14209 if (observer != null) { 14210 try { 14211 observer.onRemoveCompleted(packageName, succeded); 14212 } catch (RemoteException e) { 14213 Log.i(TAG, "Observer no longer exists."); 14214 } 14215 } //end if observer 14216 } //end run 14217 }); 14218 } 14219 14220 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 14221 if (packageName == null) { 14222 Slog.w(TAG, "Attempt to delete null packageName."); 14223 return false; 14224 } 14225 PackageParser.Package p; 14226 synchronized (mPackages) { 14227 p = mPackages.get(packageName); 14228 } 14229 if (p == null) { 14230 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14231 return false; 14232 } 14233 final ApplicationInfo applicationInfo = p.applicationInfo; 14234 if (applicationInfo == null) { 14235 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14236 return false; 14237 } 14238 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 14239 if (retCode < 0) { 14240 Slog.w(TAG, "Couldn't remove cache files for package " 14241 + packageName + " u" + userId); 14242 return false; 14243 } 14244 return true; 14245 } 14246 14247 @Override 14248 public void getPackageSizeInfo(final String packageName, int userHandle, 14249 final IPackageStatsObserver observer) { 14250 mContext.enforceCallingOrSelfPermission( 14251 android.Manifest.permission.GET_PACKAGE_SIZE, null); 14252 if (packageName == null) { 14253 throw new IllegalArgumentException("Attempt to get size of null packageName"); 14254 } 14255 14256 PackageStats stats = new PackageStats(packageName, userHandle); 14257 14258 /* 14259 * Queue up an async operation since the package measurement may take a 14260 * little while. 14261 */ 14262 Message msg = mHandler.obtainMessage(INIT_COPY); 14263 msg.obj = new MeasureParams(stats, observer); 14264 mHandler.sendMessage(msg); 14265 } 14266 14267 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 14268 PackageStats pStats) { 14269 if (packageName == null) { 14270 Slog.w(TAG, "Attempt to get size of null packageName."); 14271 return false; 14272 } 14273 PackageParser.Package p; 14274 boolean dataOnly = false; 14275 String libDirRoot = null; 14276 String asecPath = null; 14277 PackageSetting ps = null; 14278 synchronized (mPackages) { 14279 p = mPackages.get(packageName); 14280 ps = mSettings.mPackages.get(packageName); 14281 if(p == null) { 14282 dataOnly = true; 14283 if((ps == null) || (ps.pkg == null)) { 14284 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14285 return false; 14286 } 14287 p = ps.pkg; 14288 } 14289 if (ps != null) { 14290 libDirRoot = ps.legacyNativeLibraryPathString; 14291 } 14292 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 14293 final long token = Binder.clearCallingIdentity(); 14294 try { 14295 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 14296 if (secureContainerId != null) { 14297 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 14298 } 14299 } finally { 14300 Binder.restoreCallingIdentity(token); 14301 } 14302 } 14303 } 14304 String publicSrcDir = null; 14305 if(!dataOnly) { 14306 final ApplicationInfo applicationInfo = p.applicationInfo; 14307 if (applicationInfo == null) { 14308 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14309 return false; 14310 } 14311 if (p.isForwardLocked()) { 14312 publicSrcDir = applicationInfo.getBaseResourcePath(); 14313 } 14314 } 14315 // TODO: extend to measure size of split APKs 14316 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 14317 // not just the first level. 14318 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 14319 // just the primary. 14320 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 14321 14322 String apkPath; 14323 File packageDir = new File(p.codePath); 14324 14325 if (packageDir.isDirectory() && p.canHaveOatDir()) { 14326 apkPath = packageDir.getAbsolutePath(); 14327 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 14328 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 14329 libDirRoot = null; 14330 } 14331 } else { 14332 apkPath = p.baseCodePath; 14333 } 14334 14335 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, apkPath, 14336 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 14337 if (res < 0) { 14338 return false; 14339 } 14340 14341 // Fix-up for forward-locked applications in ASEC containers. 14342 if (!isExternal(p)) { 14343 pStats.codeSize += pStats.externalCodeSize; 14344 pStats.externalCodeSize = 0L; 14345 } 14346 14347 return true; 14348 } 14349 14350 14351 @Override 14352 public void addPackageToPreferred(String packageName) { 14353 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 14354 } 14355 14356 @Override 14357 public void removePackageFromPreferred(String packageName) { 14358 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 14359 } 14360 14361 @Override 14362 public List<PackageInfo> getPreferredPackages(int flags) { 14363 return new ArrayList<PackageInfo>(); 14364 } 14365 14366 private int getUidTargetSdkVersionLockedLPr(int uid) { 14367 Object obj = mSettings.getUserIdLPr(uid); 14368 if (obj instanceof SharedUserSetting) { 14369 final SharedUserSetting sus = (SharedUserSetting) obj; 14370 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 14371 final Iterator<PackageSetting> it = sus.packages.iterator(); 14372 while (it.hasNext()) { 14373 final PackageSetting ps = it.next(); 14374 if (ps.pkg != null) { 14375 int v = ps.pkg.applicationInfo.targetSdkVersion; 14376 if (v < vers) vers = v; 14377 } 14378 } 14379 return vers; 14380 } else if (obj instanceof PackageSetting) { 14381 final PackageSetting ps = (PackageSetting) obj; 14382 if (ps.pkg != null) { 14383 return ps.pkg.applicationInfo.targetSdkVersion; 14384 } 14385 } 14386 return Build.VERSION_CODES.CUR_DEVELOPMENT; 14387 } 14388 14389 @Override 14390 public void addPreferredActivity(IntentFilter filter, int match, 14391 ComponentName[] set, ComponentName activity, int userId) { 14392 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14393 "Adding preferred"); 14394 } 14395 14396 private void addPreferredActivityInternal(IntentFilter filter, int match, 14397 ComponentName[] set, ComponentName activity, boolean always, int userId, 14398 String opname) { 14399 // writer 14400 int callingUid = Binder.getCallingUid(); 14401 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 14402 if (filter.countActions() == 0) { 14403 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14404 return; 14405 } 14406 synchronized (mPackages) { 14407 if (mContext.checkCallingOrSelfPermission( 14408 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14409 != PackageManager.PERMISSION_GRANTED) { 14410 if (getUidTargetSdkVersionLockedLPr(callingUid) 14411 < Build.VERSION_CODES.FROYO) { 14412 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 14413 + callingUid); 14414 return; 14415 } 14416 mContext.enforceCallingOrSelfPermission( 14417 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14418 } 14419 14420 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 14421 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 14422 + userId + ":"); 14423 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14424 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 14425 scheduleWritePackageRestrictionsLocked(userId); 14426 } 14427 } 14428 14429 @Override 14430 public void replacePreferredActivity(IntentFilter filter, int match, 14431 ComponentName[] set, ComponentName activity, int userId) { 14432 if (filter.countActions() != 1) { 14433 throw new IllegalArgumentException( 14434 "replacePreferredActivity expects filter to have only 1 action."); 14435 } 14436 if (filter.countDataAuthorities() != 0 14437 || filter.countDataPaths() != 0 14438 || filter.countDataSchemes() > 1 14439 || filter.countDataTypes() != 0) { 14440 throw new IllegalArgumentException( 14441 "replacePreferredActivity expects filter to have no data authorities, " + 14442 "paths, or types; and at most one scheme."); 14443 } 14444 14445 final int callingUid = Binder.getCallingUid(); 14446 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 14447 synchronized (mPackages) { 14448 if (mContext.checkCallingOrSelfPermission( 14449 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14450 != PackageManager.PERMISSION_GRANTED) { 14451 if (getUidTargetSdkVersionLockedLPr(callingUid) 14452 < Build.VERSION_CODES.FROYO) { 14453 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 14454 + Binder.getCallingUid()); 14455 return; 14456 } 14457 mContext.enforceCallingOrSelfPermission( 14458 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14459 } 14460 14461 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14462 if (pir != null) { 14463 // Get all of the existing entries that exactly match this filter. 14464 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 14465 if (existing != null && existing.size() == 1) { 14466 PreferredActivity cur = existing.get(0); 14467 if (DEBUG_PREFERRED) { 14468 Slog.i(TAG, "Checking replace of preferred:"); 14469 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14470 if (!cur.mPref.mAlways) { 14471 Slog.i(TAG, " -- CUR; not mAlways!"); 14472 } else { 14473 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 14474 Slog.i(TAG, " -- CUR: mSet=" 14475 + Arrays.toString(cur.mPref.mSetComponents)); 14476 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 14477 Slog.i(TAG, " -- NEW: mMatch=" 14478 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 14479 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 14480 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 14481 } 14482 } 14483 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 14484 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 14485 && cur.mPref.sameSet(set)) { 14486 // Setting the preferred activity to what it happens to be already 14487 if (DEBUG_PREFERRED) { 14488 Slog.i(TAG, "Replacing with same preferred activity " 14489 + cur.mPref.mShortComponent + " for user " 14490 + userId + ":"); 14491 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14492 } 14493 return; 14494 } 14495 } 14496 14497 if (existing != null) { 14498 if (DEBUG_PREFERRED) { 14499 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 14500 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14501 } 14502 for (int i = 0; i < existing.size(); i++) { 14503 PreferredActivity pa = existing.get(i); 14504 if (DEBUG_PREFERRED) { 14505 Slog.i(TAG, "Removing existing preferred activity " 14506 + pa.mPref.mComponent + ":"); 14507 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 14508 } 14509 pir.removeFilter(pa); 14510 } 14511 } 14512 } 14513 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14514 "Replacing preferred"); 14515 } 14516 } 14517 14518 @Override 14519 public void clearPackagePreferredActivities(String packageName) { 14520 final int uid = Binder.getCallingUid(); 14521 // writer 14522 synchronized (mPackages) { 14523 PackageParser.Package pkg = mPackages.get(packageName); 14524 if (pkg == null || pkg.applicationInfo.uid != uid) { 14525 if (mContext.checkCallingOrSelfPermission( 14526 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14527 != PackageManager.PERMISSION_GRANTED) { 14528 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 14529 < Build.VERSION_CODES.FROYO) { 14530 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 14531 + Binder.getCallingUid()); 14532 return; 14533 } 14534 mContext.enforceCallingOrSelfPermission( 14535 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14536 } 14537 } 14538 14539 int user = UserHandle.getCallingUserId(); 14540 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 14541 scheduleWritePackageRestrictionsLocked(user); 14542 } 14543 } 14544 } 14545 14546 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14547 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 14548 ArrayList<PreferredActivity> removed = null; 14549 boolean changed = false; 14550 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14551 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 14552 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14553 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 14554 continue; 14555 } 14556 Iterator<PreferredActivity> it = pir.filterIterator(); 14557 while (it.hasNext()) { 14558 PreferredActivity pa = it.next(); 14559 // Mark entry for removal only if it matches the package name 14560 // and the entry is of type "always". 14561 if (packageName == null || 14562 (pa.mPref.mComponent.getPackageName().equals(packageName) 14563 && pa.mPref.mAlways)) { 14564 if (removed == null) { 14565 removed = new ArrayList<PreferredActivity>(); 14566 } 14567 removed.add(pa); 14568 } 14569 } 14570 if (removed != null) { 14571 for (int j=0; j<removed.size(); j++) { 14572 PreferredActivity pa = removed.get(j); 14573 pir.removeFilter(pa); 14574 } 14575 changed = true; 14576 } 14577 } 14578 return changed; 14579 } 14580 14581 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14582 private void clearIntentFilterVerificationsLPw(int userId) { 14583 final int packageCount = mPackages.size(); 14584 for (int i = 0; i < packageCount; i++) { 14585 PackageParser.Package pkg = mPackages.valueAt(i); 14586 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 14587 } 14588 } 14589 14590 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14591 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 14592 if (userId == UserHandle.USER_ALL) { 14593 if (mSettings.removeIntentFilterVerificationLPw(packageName, 14594 sUserManager.getUserIds())) { 14595 for (int oneUserId : sUserManager.getUserIds()) { 14596 scheduleWritePackageRestrictionsLocked(oneUserId); 14597 } 14598 } 14599 } else { 14600 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 14601 scheduleWritePackageRestrictionsLocked(userId); 14602 } 14603 } 14604 } 14605 14606 void clearDefaultBrowserIfNeeded(String packageName) { 14607 for (int oneUserId : sUserManager.getUserIds()) { 14608 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 14609 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 14610 if (packageName.equals(defaultBrowserPackageName)) { 14611 setDefaultBrowserPackageName(null, oneUserId); 14612 } 14613 } 14614 } 14615 14616 @Override 14617 public void resetApplicationPreferences(int userId) { 14618 mContext.enforceCallingOrSelfPermission( 14619 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14620 // writer 14621 synchronized (mPackages) { 14622 final long identity = Binder.clearCallingIdentity(); 14623 try { 14624 clearPackagePreferredActivitiesLPw(null, userId); 14625 mSettings.applyDefaultPreferredAppsLPw(this, userId); 14626 // TODO: We have to reset the default SMS and Phone. This requires 14627 // significant refactoring to keep all default apps in the package 14628 // manager (cleaner but more work) or have the services provide 14629 // callbacks to the package manager to request a default app reset. 14630 applyFactoryDefaultBrowserLPw(userId); 14631 clearIntentFilterVerificationsLPw(userId); 14632 primeDomainVerificationsLPw(userId); 14633 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 14634 scheduleWritePackageRestrictionsLocked(userId); 14635 } finally { 14636 Binder.restoreCallingIdentity(identity); 14637 } 14638 } 14639 } 14640 14641 @Override 14642 public int getPreferredActivities(List<IntentFilter> outFilters, 14643 List<ComponentName> outActivities, String packageName) { 14644 14645 int num = 0; 14646 final int userId = UserHandle.getCallingUserId(); 14647 // reader 14648 synchronized (mPackages) { 14649 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14650 if (pir != null) { 14651 final Iterator<PreferredActivity> it = pir.filterIterator(); 14652 while (it.hasNext()) { 14653 final PreferredActivity pa = it.next(); 14654 if (packageName == null 14655 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14656 && pa.mPref.mAlways)) { 14657 if (outFilters != null) { 14658 outFilters.add(new IntentFilter(pa)); 14659 } 14660 if (outActivities != null) { 14661 outActivities.add(pa.mPref.mComponent); 14662 } 14663 } 14664 } 14665 } 14666 } 14667 14668 return num; 14669 } 14670 14671 @Override 14672 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14673 int userId) { 14674 int callingUid = Binder.getCallingUid(); 14675 if (callingUid != Process.SYSTEM_UID) { 14676 throw new SecurityException( 14677 "addPersistentPreferredActivity can only be run by the system"); 14678 } 14679 if (filter.countActions() == 0) { 14680 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14681 return; 14682 } 14683 synchronized (mPackages) { 14684 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14685 ":"); 14686 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14687 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14688 new PersistentPreferredActivity(filter, activity)); 14689 scheduleWritePackageRestrictionsLocked(userId); 14690 } 14691 } 14692 14693 @Override 14694 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14695 int callingUid = Binder.getCallingUid(); 14696 if (callingUid != Process.SYSTEM_UID) { 14697 throw new SecurityException( 14698 "clearPackagePersistentPreferredActivities can only be run by the system"); 14699 } 14700 ArrayList<PersistentPreferredActivity> removed = null; 14701 boolean changed = false; 14702 synchronized (mPackages) { 14703 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14704 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14705 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14706 .valueAt(i); 14707 if (userId != thisUserId) { 14708 continue; 14709 } 14710 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14711 while (it.hasNext()) { 14712 PersistentPreferredActivity ppa = it.next(); 14713 // Mark entry for removal only if it matches the package name. 14714 if (ppa.mComponent.getPackageName().equals(packageName)) { 14715 if (removed == null) { 14716 removed = new ArrayList<PersistentPreferredActivity>(); 14717 } 14718 removed.add(ppa); 14719 } 14720 } 14721 if (removed != null) { 14722 for (int j=0; j<removed.size(); j++) { 14723 PersistentPreferredActivity ppa = removed.get(j); 14724 ppir.removeFilter(ppa); 14725 } 14726 changed = true; 14727 } 14728 } 14729 14730 if (changed) { 14731 scheduleWritePackageRestrictionsLocked(userId); 14732 } 14733 } 14734 } 14735 14736 /** 14737 * Common machinery for picking apart a restored XML blob and passing 14738 * it to a caller-supplied functor to be applied to the running system. 14739 */ 14740 private void restoreFromXml(XmlPullParser parser, int userId, 14741 String expectedStartTag, BlobXmlRestorer functor) 14742 throws IOException, XmlPullParserException { 14743 int type; 14744 while ((type = parser.next()) != XmlPullParser.START_TAG 14745 && type != XmlPullParser.END_DOCUMENT) { 14746 } 14747 if (type != XmlPullParser.START_TAG) { 14748 // oops didn't find a start tag?! 14749 if (DEBUG_BACKUP) { 14750 Slog.e(TAG, "Didn't find start tag during restore"); 14751 } 14752 return; 14753 } 14754 14755 // this is supposed to be TAG_PREFERRED_BACKUP 14756 if (!expectedStartTag.equals(parser.getName())) { 14757 if (DEBUG_BACKUP) { 14758 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14759 } 14760 return; 14761 } 14762 14763 // skip interfering stuff, then we're aligned with the backing implementation 14764 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14765 functor.apply(parser, userId); 14766 } 14767 14768 private interface BlobXmlRestorer { 14769 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14770 } 14771 14772 /** 14773 * Non-Binder method, support for the backup/restore mechanism: write the 14774 * full set of preferred activities in its canonical XML format. Returns the 14775 * XML output as a byte array, or null if there is none. 14776 */ 14777 @Override 14778 public byte[] getPreferredActivityBackup(int userId) { 14779 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14780 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14781 } 14782 14783 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14784 try { 14785 final XmlSerializer serializer = new FastXmlSerializer(); 14786 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14787 serializer.startDocument(null, true); 14788 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14789 14790 synchronized (mPackages) { 14791 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14792 } 14793 14794 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14795 serializer.endDocument(); 14796 serializer.flush(); 14797 } catch (Exception e) { 14798 if (DEBUG_BACKUP) { 14799 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14800 } 14801 return null; 14802 } 14803 14804 return dataStream.toByteArray(); 14805 } 14806 14807 @Override 14808 public void restorePreferredActivities(byte[] backup, int userId) { 14809 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14810 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14811 } 14812 14813 try { 14814 final XmlPullParser parser = Xml.newPullParser(); 14815 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14816 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14817 new BlobXmlRestorer() { 14818 @Override 14819 public void apply(XmlPullParser parser, int userId) 14820 throws XmlPullParserException, IOException { 14821 synchronized (mPackages) { 14822 mSettings.readPreferredActivitiesLPw(parser, userId); 14823 } 14824 } 14825 } ); 14826 } catch (Exception e) { 14827 if (DEBUG_BACKUP) { 14828 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14829 } 14830 } 14831 } 14832 14833 /** 14834 * Non-Binder method, support for the backup/restore mechanism: write the 14835 * default browser (etc) settings in its canonical XML format. Returns the default 14836 * browser XML representation as a byte array, or null if there is none. 14837 */ 14838 @Override 14839 public byte[] getDefaultAppsBackup(int userId) { 14840 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14841 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14842 } 14843 14844 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14845 try { 14846 final XmlSerializer serializer = new FastXmlSerializer(); 14847 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14848 serializer.startDocument(null, true); 14849 serializer.startTag(null, TAG_DEFAULT_APPS); 14850 14851 synchronized (mPackages) { 14852 mSettings.writeDefaultAppsLPr(serializer, userId); 14853 } 14854 14855 serializer.endTag(null, TAG_DEFAULT_APPS); 14856 serializer.endDocument(); 14857 serializer.flush(); 14858 } catch (Exception e) { 14859 if (DEBUG_BACKUP) { 14860 Slog.e(TAG, "Unable to write default apps for backup", e); 14861 } 14862 return null; 14863 } 14864 14865 return dataStream.toByteArray(); 14866 } 14867 14868 @Override 14869 public void restoreDefaultApps(byte[] backup, int userId) { 14870 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14871 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14872 } 14873 14874 try { 14875 final XmlPullParser parser = Xml.newPullParser(); 14876 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14877 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14878 new BlobXmlRestorer() { 14879 @Override 14880 public void apply(XmlPullParser parser, int userId) 14881 throws XmlPullParserException, IOException { 14882 synchronized (mPackages) { 14883 mSettings.readDefaultAppsLPw(parser, userId); 14884 } 14885 } 14886 } ); 14887 } catch (Exception e) { 14888 if (DEBUG_BACKUP) { 14889 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14890 } 14891 } 14892 } 14893 14894 @Override 14895 public byte[] getIntentFilterVerificationBackup(int userId) { 14896 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14897 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14898 } 14899 14900 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14901 try { 14902 final XmlSerializer serializer = new FastXmlSerializer(); 14903 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14904 serializer.startDocument(null, true); 14905 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14906 14907 synchronized (mPackages) { 14908 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14909 } 14910 14911 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14912 serializer.endDocument(); 14913 serializer.flush(); 14914 } catch (Exception e) { 14915 if (DEBUG_BACKUP) { 14916 Slog.e(TAG, "Unable to write default apps for backup", e); 14917 } 14918 return null; 14919 } 14920 14921 return dataStream.toByteArray(); 14922 } 14923 14924 @Override 14925 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14926 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14927 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14928 } 14929 14930 try { 14931 final XmlPullParser parser = Xml.newPullParser(); 14932 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14933 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14934 new BlobXmlRestorer() { 14935 @Override 14936 public void apply(XmlPullParser parser, int userId) 14937 throws XmlPullParserException, IOException { 14938 synchronized (mPackages) { 14939 mSettings.readAllDomainVerificationsLPr(parser, userId); 14940 mSettings.writeLPr(); 14941 } 14942 } 14943 } ); 14944 } catch (Exception e) { 14945 if (DEBUG_BACKUP) { 14946 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14947 } 14948 } 14949 } 14950 14951 @Override 14952 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14953 int sourceUserId, int targetUserId, int flags) { 14954 mContext.enforceCallingOrSelfPermission( 14955 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14956 int callingUid = Binder.getCallingUid(); 14957 enforceOwnerRights(ownerPackage, callingUid); 14958 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14959 if (intentFilter.countActions() == 0) { 14960 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14961 return; 14962 } 14963 synchronized (mPackages) { 14964 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14965 ownerPackage, targetUserId, flags); 14966 CrossProfileIntentResolver resolver = 14967 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14968 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14969 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14970 if (existing != null) { 14971 int size = existing.size(); 14972 for (int i = 0; i < size; i++) { 14973 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14974 return; 14975 } 14976 } 14977 } 14978 resolver.addFilter(newFilter); 14979 scheduleWritePackageRestrictionsLocked(sourceUserId); 14980 } 14981 } 14982 14983 @Override 14984 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14985 mContext.enforceCallingOrSelfPermission( 14986 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14987 int callingUid = Binder.getCallingUid(); 14988 enforceOwnerRights(ownerPackage, callingUid); 14989 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14990 synchronized (mPackages) { 14991 CrossProfileIntentResolver resolver = 14992 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14993 ArraySet<CrossProfileIntentFilter> set = 14994 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14995 for (CrossProfileIntentFilter filter : set) { 14996 if (filter.getOwnerPackage().equals(ownerPackage)) { 14997 resolver.removeFilter(filter); 14998 } 14999 } 15000 scheduleWritePackageRestrictionsLocked(sourceUserId); 15001 } 15002 } 15003 15004 // Enforcing that callingUid is owning pkg on userId 15005 private void enforceOwnerRights(String pkg, int callingUid) { 15006 // The system owns everything. 15007 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 15008 return; 15009 } 15010 int callingUserId = UserHandle.getUserId(callingUid); 15011 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 15012 if (pi == null) { 15013 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 15014 + callingUserId); 15015 } 15016 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 15017 throw new SecurityException("Calling uid " + callingUid 15018 + " does not own package " + pkg); 15019 } 15020 } 15021 15022 @Override 15023 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 15024 Intent intent = new Intent(Intent.ACTION_MAIN); 15025 intent.addCategory(Intent.CATEGORY_HOME); 15026 15027 final int callingUserId = UserHandle.getCallingUserId(); 15028 List<ResolveInfo> list = queryIntentActivities(intent, null, 15029 PackageManager.GET_META_DATA, callingUserId); 15030 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 15031 true, false, false, callingUserId); 15032 15033 allHomeCandidates.clear(); 15034 if (list != null) { 15035 for (ResolveInfo ri : list) { 15036 allHomeCandidates.add(ri); 15037 } 15038 } 15039 return (preferred == null || preferred.activityInfo == null) 15040 ? null 15041 : new ComponentName(preferred.activityInfo.packageName, 15042 preferred.activityInfo.name); 15043 } 15044 15045 @Override 15046 public void setApplicationEnabledSetting(String appPackageName, 15047 int newState, int flags, int userId, String callingPackage) { 15048 if (!sUserManager.exists(userId)) return; 15049 if (callingPackage == null) { 15050 callingPackage = Integer.toString(Binder.getCallingUid()); 15051 } 15052 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 15053 } 15054 15055 @Override 15056 public void setComponentEnabledSetting(ComponentName componentName, 15057 int newState, int flags, int userId) { 15058 if (!sUserManager.exists(userId)) return; 15059 setEnabledSetting(componentName.getPackageName(), 15060 componentName.getClassName(), newState, flags, userId, null); 15061 } 15062 15063 private void setEnabledSetting(final String packageName, String className, int newState, 15064 final int flags, int userId, String callingPackage) { 15065 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 15066 || newState == COMPONENT_ENABLED_STATE_ENABLED 15067 || newState == COMPONENT_ENABLED_STATE_DISABLED 15068 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 15069 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 15070 throw new IllegalArgumentException("Invalid new component state: " 15071 + newState); 15072 } 15073 PackageSetting pkgSetting; 15074 final int uid = Binder.getCallingUid(); 15075 final int permission = mContext.checkCallingOrSelfPermission( 15076 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15077 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 15078 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15079 boolean sendNow = false; 15080 boolean isApp = (className == null); 15081 String componentName = isApp ? packageName : className; 15082 int packageUid = -1; 15083 ArrayList<String> components; 15084 15085 // writer 15086 synchronized (mPackages) { 15087 pkgSetting = mSettings.mPackages.get(packageName); 15088 if (pkgSetting == null) { 15089 if (className == null) { 15090 throw new IllegalArgumentException("Unknown package: " + packageName); 15091 } 15092 throw new IllegalArgumentException( 15093 "Unknown component: " + packageName + "/" + className); 15094 } 15095 // Allow root and verify that userId is not being specified by a different user 15096 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 15097 throw new SecurityException( 15098 "Permission Denial: attempt to change component state from pid=" 15099 + Binder.getCallingPid() 15100 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 15101 } 15102 if (className == null) { 15103 // We're dealing with an application/package level state change 15104 if (pkgSetting.getEnabled(userId) == newState) { 15105 // Nothing to do 15106 return; 15107 } 15108 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 15109 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 15110 // Don't care about who enables an app. 15111 callingPackage = null; 15112 } 15113 pkgSetting.setEnabled(newState, userId, callingPackage); 15114 // pkgSetting.pkg.mSetEnabled = newState; 15115 } else { 15116 // We're dealing with a component level state change 15117 // First, verify that this is a valid class name. 15118 PackageParser.Package pkg = pkgSetting.pkg; 15119 if (pkg == null || !pkg.hasComponentClassName(className)) { 15120 if (pkg != null && 15121 pkg.applicationInfo.targetSdkVersion >= 15122 Build.VERSION_CODES.JELLY_BEAN) { 15123 throw new IllegalArgumentException("Component class " + className 15124 + " does not exist in " + packageName); 15125 } else { 15126 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 15127 + className + " does not exist in " + packageName); 15128 } 15129 } 15130 switch (newState) { 15131 case COMPONENT_ENABLED_STATE_ENABLED: 15132 if (!pkgSetting.enableComponentLPw(className, userId)) { 15133 return; 15134 } 15135 break; 15136 case COMPONENT_ENABLED_STATE_DISABLED: 15137 if (!pkgSetting.disableComponentLPw(className, userId)) { 15138 return; 15139 } 15140 break; 15141 case COMPONENT_ENABLED_STATE_DEFAULT: 15142 if (!pkgSetting.restoreComponentLPw(className, userId)) { 15143 return; 15144 } 15145 break; 15146 default: 15147 Slog.e(TAG, "Invalid new component state: " + newState); 15148 return; 15149 } 15150 } 15151 scheduleWritePackageRestrictionsLocked(userId); 15152 components = mPendingBroadcasts.get(userId, packageName); 15153 final boolean newPackage = components == null; 15154 if (newPackage) { 15155 components = new ArrayList<String>(); 15156 } 15157 if (!components.contains(componentName)) { 15158 components.add(componentName); 15159 } 15160 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 15161 sendNow = true; 15162 // Purge entry from pending broadcast list if another one exists already 15163 // since we are sending one right away. 15164 mPendingBroadcasts.remove(userId, packageName); 15165 } else { 15166 if (newPackage) { 15167 mPendingBroadcasts.put(userId, packageName, components); 15168 } 15169 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 15170 // Schedule a message 15171 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 15172 } 15173 } 15174 } 15175 15176 long callingId = Binder.clearCallingIdentity(); 15177 try { 15178 if (sendNow) { 15179 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 15180 sendPackageChangedBroadcast(packageName, 15181 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 15182 } 15183 } finally { 15184 Binder.restoreCallingIdentity(callingId); 15185 } 15186 } 15187 15188 private void sendPackageChangedBroadcast(String packageName, 15189 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 15190 if (DEBUG_INSTALL) 15191 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 15192 + componentNames); 15193 Bundle extras = new Bundle(4); 15194 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 15195 String nameList[] = new String[componentNames.size()]; 15196 componentNames.toArray(nameList); 15197 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 15198 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 15199 extras.putInt(Intent.EXTRA_UID, packageUid); 15200 // If this is not reporting a change of the overall package, then only send it 15201 // to registered receivers. We don't want to launch a swath of apps for every 15202 // little component state change. 15203 final int flags = !componentNames.contains(packageName) 15204 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 15205 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 15206 new int[] {UserHandle.getUserId(packageUid)}); 15207 } 15208 15209 @Override 15210 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 15211 if (!sUserManager.exists(userId)) return; 15212 final int uid = Binder.getCallingUid(); 15213 final int permission = mContext.checkCallingOrSelfPermission( 15214 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15215 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15216 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 15217 // writer 15218 synchronized (mPackages) { 15219 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 15220 allowedByPermission, uid, userId)) { 15221 scheduleWritePackageRestrictionsLocked(userId); 15222 } 15223 } 15224 } 15225 15226 @Override 15227 public String getInstallerPackageName(String packageName) { 15228 // reader 15229 synchronized (mPackages) { 15230 return mSettings.getInstallerPackageNameLPr(packageName); 15231 } 15232 } 15233 15234 @Override 15235 public int getApplicationEnabledSetting(String packageName, int userId) { 15236 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15237 int uid = Binder.getCallingUid(); 15238 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 15239 // reader 15240 synchronized (mPackages) { 15241 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 15242 } 15243 } 15244 15245 @Override 15246 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 15247 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15248 int uid = Binder.getCallingUid(); 15249 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 15250 // reader 15251 synchronized (mPackages) { 15252 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 15253 } 15254 } 15255 15256 @Override 15257 public void enterSafeMode() { 15258 enforceSystemOrRoot("Only the system can request entering safe mode"); 15259 15260 if (!mSystemReady) { 15261 mSafeMode = true; 15262 } 15263 } 15264 15265 @Override 15266 public void systemReady() { 15267 mSystemReady = true; 15268 15269 // Read the compatibilty setting when the system is ready. 15270 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 15271 mContext.getContentResolver(), 15272 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 15273 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 15274 if (DEBUG_SETTINGS) { 15275 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 15276 } 15277 15278 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 15279 15280 synchronized (mPackages) { 15281 // Verify that all of the preferred activity components actually 15282 // exist. It is possible for applications to be updated and at 15283 // that point remove a previously declared activity component that 15284 // had been set as a preferred activity. We try to clean this up 15285 // the next time we encounter that preferred activity, but it is 15286 // possible for the user flow to never be able to return to that 15287 // situation so here we do a sanity check to make sure we haven't 15288 // left any junk around. 15289 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 15290 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15291 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15292 removed.clear(); 15293 for (PreferredActivity pa : pir.filterSet()) { 15294 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 15295 removed.add(pa); 15296 } 15297 } 15298 if (removed.size() > 0) { 15299 for (int r=0; r<removed.size(); r++) { 15300 PreferredActivity pa = removed.get(r); 15301 Slog.w(TAG, "Removing dangling preferred activity: " 15302 + pa.mPref.mComponent); 15303 pir.removeFilter(pa); 15304 } 15305 mSettings.writePackageRestrictionsLPr( 15306 mSettings.mPreferredActivities.keyAt(i)); 15307 } 15308 } 15309 15310 for (int userId : UserManagerService.getInstance().getUserIds()) { 15311 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 15312 grantPermissionsUserIds = ArrayUtils.appendInt( 15313 grantPermissionsUserIds, userId); 15314 } 15315 } 15316 } 15317 sUserManager.systemReady(); 15318 15319 // If we upgraded grant all default permissions before kicking off. 15320 for (int userId : grantPermissionsUserIds) { 15321 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 15322 } 15323 15324 // Kick off any messages waiting for system ready 15325 if (mPostSystemReadyMessages != null) { 15326 for (Message msg : mPostSystemReadyMessages) { 15327 msg.sendToTarget(); 15328 } 15329 mPostSystemReadyMessages = null; 15330 } 15331 15332 // Watch for external volumes that come and go over time 15333 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15334 storage.registerListener(mStorageListener); 15335 15336 mInstallerService.systemReady(); 15337 mPackageDexOptimizer.systemReady(); 15338 15339 MountServiceInternal mountServiceInternal = LocalServices.getService( 15340 MountServiceInternal.class); 15341 mountServiceInternal.addExternalStoragePolicy( 15342 new MountServiceInternal.ExternalStorageMountPolicy() { 15343 @Override 15344 public int getMountMode(int uid, String packageName) { 15345 if (Process.isIsolated(uid)) { 15346 return Zygote.MOUNT_EXTERNAL_NONE; 15347 } 15348 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 15349 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15350 } 15351 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15352 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15353 } 15354 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15355 return Zygote.MOUNT_EXTERNAL_READ; 15356 } 15357 return Zygote.MOUNT_EXTERNAL_WRITE; 15358 } 15359 15360 @Override 15361 public boolean hasExternalStorage(int uid, String packageName) { 15362 return true; 15363 } 15364 }); 15365 } 15366 15367 @Override 15368 public boolean isSafeMode() { 15369 return mSafeMode; 15370 } 15371 15372 @Override 15373 public boolean hasSystemUidErrors() { 15374 return mHasSystemUidErrors; 15375 } 15376 15377 static String arrayToString(int[] array) { 15378 StringBuffer buf = new StringBuffer(128); 15379 buf.append('['); 15380 if (array != null) { 15381 for (int i=0; i<array.length; i++) { 15382 if (i > 0) buf.append(", "); 15383 buf.append(array[i]); 15384 } 15385 } 15386 buf.append(']'); 15387 return buf.toString(); 15388 } 15389 15390 static class DumpState { 15391 public static final int DUMP_LIBS = 1 << 0; 15392 public static final int DUMP_FEATURES = 1 << 1; 15393 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 15394 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 15395 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 15396 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 15397 public static final int DUMP_PERMISSIONS = 1 << 6; 15398 public static final int DUMP_PACKAGES = 1 << 7; 15399 public static final int DUMP_SHARED_USERS = 1 << 8; 15400 public static final int DUMP_MESSAGES = 1 << 9; 15401 public static final int DUMP_PROVIDERS = 1 << 10; 15402 public static final int DUMP_VERIFIERS = 1 << 11; 15403 public static final int DUMP_PREFERRED = 1 << 12; 15404 public static final int DUMP_PREFERRED_XML = 1 << 13; 15405 public static final int DUMP_KEYSETS = 1 << 14; 15406 public static final int DUMP_VERSION = 1 << 15; 15407 public static final int DUMP_INSTALLS = 1 << 16; 15408 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 15409 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 15410 15411 public static final int OPTION_SHOW_FILTERS = 1 << 0; 15412 15413 private int mTypes; 15414 15415 private int mOptions; 15416 15417 private boolean mTitlePrinted; 15418 15419 private SharedUserSetting mSharedUser; 15420 15421 public boolean isDumping(int type) { 15422 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 15423 return true; 15424 } 15425 15426 return (mTypes & type) != 0; 15427 } 15428 15429 public void setDump(int type) { 15430 mTypes |= type; 15431 } 15432 15433 public boolean isOptionEnabled(int option) { 15434 return (mOptions & option) != 0; 15435 } 15436 15437 public void setOptionEnabled(int option) { 15438 mOptions |= option; 15439 } 15440 15441 public boolean onTitlePrinted() { 15442 final boolean printed = mTitlePrinted; 15443 mTitlePrinted = true; 15444 return printed; 15445 } 15446 15447 public boolean getTitlePrinted() { 15448 return mTitlePrinted; 15449 } 15450 15451 public void setTitlePrinted(boolean enabled) { 15452 mTitlePrinted = enabled; 15453 } 15454 15455 public SharedUserSetting getSharedUser() { 15456 return mSharedUser; 15457 } 15458 15459 public void setSharedUser(SharedUserSetting user) { 15460 mSharedUser = user; 15461 } 15462 } 15463 15464 @Override 15465 public void onShellCommand(FileDescriptor in, FileDescriptor out, 15466 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 15467 (new PackageManagerShellCommand(this)).exec( 15468 this, in, out, err, args, resultReceiver); 15469 } 15470 15471 @Override 15472 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 15473 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 15474 != PackageManager.PERMISSION_GRANTED) { 15475 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 15476 + Binder.getCallingPid() 15477 + ", uid=" + Binder.getCallingUid() 15478 + " without permission " 15479 + android.Manifest.permission.DUMP); 15480 return; 15481 } 15482 15483 DumpState dumpState = new DumpState(); 15484 boolean fullPreferred = false; 15485 boolean checkin = false; 15486 15487 String packageName = null; 15488 ArraySet<String> permissionNames = null; 15489 15490 int opti = 0; 15491 while (opti < args.length) { 15492 String opt = args[opti]; 15493 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 15494 break; 15495 } 15496 opti++; 15497 15498 if ("-a".equals(opt)) { 15499 // Right now we only know how to print all. 15500 } else if ("-h".equals(opt)) { 15501 pw.println("Package manager dump options:"); 15502 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 15503 pw.println(" --checkin: dump for a checkin"); 15504 pw.println(" -f: print details of intent filters"); 15505 pw.println(" -h: print this help"); 15506 pw.println(" cmd may be one of:"); 15507 pw.println(" l[ibraries]: list known shared libraries"); 15508 pw.println(" f[eatures]: list device features"); 15509 pw.println(" k[eysets]: print known keysets"); 15510 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 15511 pw.println(" perm[issions]: dump permissions"); 15512 pw.println(" permission [name ...]: dump declaration and use of given permission"); 15513 pw.println(" pref[erred]: print preferred package settings"); 15514 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 15515 pw.println(" prov[iders]: dump content providers"); 15516 pw.println(" p[ackages]: dump installed packages"); 15517 pw.println(" s[hared-users]: dump shared user IDs"); 15518 pw.println(" m[essages]: print collected runtime messages"); 15519 pw.println(" v[erifiers]: print package verifier info"); 15520 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 15521 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 15522 pw.println(" version: print database version info"); 15523 pw.println(" write: write current settings now"); 15524 pw.println(" installs: details about install sessions"); 15525 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 15526 pw.println(" <package.name>: info about given package"); 15527 return; 15528 } else if ("--checkin".equals(opt)) { 15529 checkin = true; 15530 } else if ("-f".equals(opt)) { 15531 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15532 } else { 15533 pw.println("Unknown argument: " + opt + "; use -h for help"); 15534 } 15535 } 15536 15537 // Is the caller requesting to dump a particular piece of data? 15538 if (opti < args.length) { 15539 String cmd = args[opti]; 15540 opti++; 15541 // Is this a package name? 15542 if ("android".equals(cmd) || cmd.contains(".")) { 15543 packageName = cmd; 15544 // When dumping a single package, we always dump all of its 15545 // filter information since the amount of data will be reasonable. 15546 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15547 } else if ("check-permission".equals(cmd)) { 15548 if (opti >= args.length) { 15549 pw.println("Error: check-permission missing permission argument"); 15550 return; 15551 } 15552 String perm = args[opti]; 15553 opti++; 15554 if (opti >= args.length) { 15555 pw.println("Error: check-permission missing package argument"); 15556 return; 15557 } 15558 String pkg = args[opti]; 15559 opti++; 15560 int user = UserHandle.getUserId(Binder.getCallingUid()); 15561 if (opti < args.length) { 15562 try { 15563 user = Integer.parseInt(args[opti]); 15564 } catch (NumberFormatException e) { 15565 pw.println("Error: check-permission user argument is not a number: " 15566 + args[opti]); 15567 return; 15568 } 15569 } 15570 pw.println(checkPermission(perm, pkg, user)); 15571 return; 15572 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 15573 dumpState.setDump(DumpState.DUMP_LIBS); 15574 } else if ("f".equals(cmd) || "features".equals(cmd)) { 15575 dumpState.setDump(DumpState.DUMP_FEATURES); 15576 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 15577 if (opti >= args.length) { 15578 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 15579 | DumpState.DUMP_SERVICE_RESOLVERS 15580 | DumpState.DUMP_RECEIVER_RESOLVERS 15581 | DumpState.DUMP_CONTENT_RESOLVERS); 15582 } else { 15583 while (opti < args.length) { 15584 String name = args[opti]; 15585 if ("a".equals(name) || "activity".equals(name)) { 15586 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 15587 } else if ("s".equals(name) || "service".equals(name)) { 15588 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 15589 } else if ("r".equals(name) || "receiver".equals(name)) { 15590 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 15591 } else if ("c".equals(name) || "content".equals(name)) { 15592 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 15593 } else { 15594 pw.println("Error: unknown resolver table type: " + name); 15595 return; 15596 } 15597 opti++; 15598 } 15599 } 15600 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 15601 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 15602 } else if ("permission".equals(cmd)) { 15603 if (opti >= args.length) { 15604 pw.println("Error: permission requires permission name"); 15605 return; 15606 } 15607 permissionNames = new ArraySet<>(); 15608 while (opti < args.length) { 15609 permissionNames.add(args[opti]); 15610 opti++; 15611 } 15612 dumpState.setDump(DumpState.DUMP_PERMISSIONS 15613 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 15614 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 15615 dumpState.setDump(DumpState.DUMP_PREFERRED); 15616 } else if ("preferred-xml".equals(cmd)) { 15617 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 15618 if (opti < args.length && "--full".equals(args[opti])) { 15619 fullPreferred = true; 15620 opti++; 15621 } 15622 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 15623 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 15624 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 15625 dumpState.setDump(DumpState.DUMP_PACKAGES); 15626 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 15627 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 15628 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 15629 dumpState.setDump(DumpState.DUMP_PROVIDERS); 15630 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 15631 dumpState.setDump(DumpState.DUMP_MESSAGES); 15632 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 15633 dumpState.setDump(DumpState.DUMP_VERIFIERS); 15634 } else if ("i".equals(cmd) || "ifv".equals(cmd) 15635 || "intent-filter-verifiers".equals(cmd)) { 15636 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 15637 } else if ("version".equals(cmd)) { 15638 dumpState.setDump(DumpState.DUMP_VERSION); 15639 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 15640 dumpState.setDump(DumpState.DUMP_KEYSETS); 15641 } else if ("installs".equals(cmd)) { 15642 dumpState.setDump(DumpState.DUMP_INSTALLS); 15643 } else if ("write".equals(cmd)) { 15644 synchronized (mPackages) { 15645 mSettings.writeLPr(); 15646 pw.println("Settings written."); 15647 return; 15648 } 15649 } 15650 } 15651 15652 if (checkin) { 15653 pw.println("vers,1"); 15654 } 15655 15656 // reader 15657 synchronized (mPackages) { 15658 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 15659 if (!checkin) { 15660 if (dumpState.onTitlePrinted()) 15661 pw.println(); 15662 pw.println("Database versions:"); 15663 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 15664 } 15665 } 15666 15667 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 15668 if (!checkin) { 15669 if (dumpState.onTitlePrinted()) 15670 pw.println(); 15671 pw.println("Verifiers:"); 15672 pw.print(" Required: "); 15673 pw.print(mRequiredVerifierPackage); 15674 pw.print(" (uid="); 15675 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 15676 pw.println(")"); 15677 } else if (mRequiredVerifierPackage != null) { 15678 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 15679 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 15680 } 15681 } 15682 15683 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 15684 packageName == null) { 15685 if (mIntentFilterVerifierComponent != null) { 15686 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 15687 if (!checkin) { 15688 if (dumpState.onTitlePrinted()) 15689 pw.println(); 15690 pw.println("Intent Filter Verifier:"); 15691 pw.print(" Using: "); 15692 pw.print(verifierPackageName); 15693 pw.print(" (uid="); 15694 pw.print(getPackageUid(verifierPackageName, 0)); 15695 pw.println(")"); 15696 } else if (verifierPackageName != null) { 15697 pw.print("ifv,"); pw.print(verifierPackageName); 15698 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 15699 } 15700 } else { 15701 pw.println(); 15702 pw.println("No Intent Filter Verifier available!"); 15703 } 15704 } 15705 15706 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 15707 boolean printedHeader = false; 15708 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 15709 while (it.hasNext()) { 15710 String name = it.next(); 15711 SharedLibraryEntry ent = mSharedLibraries.get(name); 15712 if (!checkin) { 15713 if (!printedHeader) { 15714 if (dumpState.onTitlePrinted()) 15715 pw.println(); 15716 pw.println("Libraries:"); 15717 printedHeader = true; 15718 } 15719 pw.print(" "); 15720 } else { 15721 pw.print("lib,"); 15722 } 15723 pw.print(name); 15724 if (!checkin) { 15725 pw.print(" -> "); 15726 } 15727 if (ent.path != null) { 15728 if (!checkin) { 15729 pw.print("(jar) "); 15730 pw.print(ent.path); 15731 } else { 15732 pw.print(",jar,"); 15733 pw.print(ent.path); 15734 } 15735 } else { 15736 if (!checkin) { 15737 pw.print("(apk) "); 15738 pw.print(ent.apk); 15739 } else { 15740 pw.print(",apk,"); 15741 pw.print(ent.apk); 15742 } 15743 } 15744 pw.println(); 15745 } 15746 } 15747 15748 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15749 if (dumpState.onTitlePrinted()) 15750 pw.println(); 15751 if (!checkin) { 15752 pw.println("Features:"); 15753 } 15754 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15755 while (it.hasNext()) { 15756 String name = it.next(); 15757 if (!checkin) { 15758 pw.print(" "); 15759 } else { 15760 pw.print("feat,"); 15761 } 15762 pw.println(name); 15763 } 15764 } 15765 15766 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 15767 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15768 : "Activity Resolver Table:", " ", packageName, 15769 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15770 dumpState.setTitlePrinted(true); 15771 } 15772 } 15773 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 15774 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15775 : "Receiver Resolver Table:", " ", packageName, 15776 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15777 dumpState.setTitlePrinted(true); 15778 } 15779 } 15780 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 15781 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15782 : "Service Resolver Table:", " ", packageName, 15783 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15784 dumpState.setTitlePrinted(true); 15785 } 15786 } 15787 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 15788 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15789 : "Provider Resolver Table:", " ", packageName, 15790 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15791 dumpState.setTitlePrinted(true); 15792 } 15793 } 15794 15795 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15796 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15797 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15798 int user = mSettings.mPreferredActivities.keyAt(i); 15799 if (pir.dump(pw, 15800 dumpState.getTitlePrinted() 15801 ? "\nPreferred Activities User " + user + ":" 15802 : "Preferred Activities User " + user + ":", " ", 15803 packageName, true, false)) { 15804 dumpState.setTitlePrinted(true); 15805 } 15806 } 15807 } 15808 15809 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15810 pw.flush(); 15811 FileOutputStream fout = new FileOutputStream(fd); 15812 BufferedOutputStream str = new BufferedOutputStream(fout); 15813 XmlSerializer serializer = new FastXmlSerializer(); 15814 try { 15815 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15816 serializer.startDocument(null, true); 15817 serializer.setFeature( 15818 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15819 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15820 serializer.endDocument(); 15821 serializer.flush(); 15822 } catch (IllegalArgumentException e) { 15823 pw.println("Failed writing: " + e); 15824 } catch (IllegalStateException e) { 15825 pw.println("Failed writing: " + e); 15826 } catch (IOException e) { 15827 pw.println("Failed writing: " + e); 15828 } 15829 } 15830 15831 if (!checkin 15832 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15833 && packageName == null) { 15834 pw.println(); 15835 int count = mSettings.mPackages.size(); 15836 if (count == 0) { 15837 pw.println("No applications!"); 15838 pw.println(); 15839 } else { 15840 final String prefix = " "; 15841 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15842 if (allPackageSettings.size() == 0) { 15843 pw.println("No domain preferred apps!"); 15844 pw.println(); 15845 } else { 15846 pw.println("App verification status:"); 15847 pw.println(); 15848 count = 0; 15849 for (PackageSetting ps : allPackageSettings) { 15850 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15851 if (ivi == null || ivi.getPackageName() == null) continue; 15852 pw.println(prefix + "Package: " + ivi.getPackageName()); 15853 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15854 pw.println(prefix + "Status: " + ivi.getStatusString()); 15855 pw.println(); 15856 count++; 15857 } 15858 if (count == 0) { 15859 pw.println(prefix + "No app verification established."); 15860 pw.println(); 15861 } 15862 for (int userId : sUserManager.getUserIds()) { 15863 pw.println("App linkages for user " + userId + ":"); 15864 pw.println(); 15865 count = 0; 15866 for (PackageSetting ps : allPackageSettings) { 15867 final long status = ps.getDomainVerificationStatusForUser(userId); 15868 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15869 continue; 15870 } 15871 pw.println(prefix + "Package: " + ps.name); 15872 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15873 String statusStr = IntentFilterVerificationInfo. 15874 getStatusStringFromValue(status); 15875 pw.println(prefix + "Status: " + statusStr); 15876 pw.println(); 15877 count++; 15878 } 15879 if (count == 0) { 15880 pw.println(prefix + "No configured app linkages."); 15881 pw.println(); 15882 } 15883 } 15884 } 15885 } 15886 } 15887 15888 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15889 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15890 if (packageName == null && permissionNames == null) { 15891 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15892 if (iperm == 0) { 15893 if (dumpState.onTitlePrinted()) 15894 pw.println(); 15895 pw.println("AppOp Permissions:"); 15896 } 15897 pw.print(" AppOp Permission "); 15898 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15899 pw.println(":"); 15900 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15901 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15902 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15903 } 15904 } 15905 } 15906 } 15907 15908 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15909 boolean printedSomething = false; 15910 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15911 if (packageName != null && !packageName.equals(p.info.packageName)) { 15912 continue; 15913 } 15914 if (!printedSomething) { 15915 if (dumpState.onTitlePrinted()) 15916 pw.println(); 15917 pw.println("Registered ContentProviders:"); 15918 printedSomething = true; 15919 } 15920 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15921 pw.print(" "); pw.println(p.toString()); 15922 } 15923 printedSomething = false; 15924 for (Map.Entry<String, PackageParser.Provider> entry : 15925 mProvidersByAuthority.entrySet()) { 15926 PackageParser.Provider p = entry.getValue(); 15927 if (packageName != null && !packageName.equals(p.info.packageName)) { 15928 continue; 15929 } 15930 if (!printedSomething) { 15931 if (dumpState.onTitlePrinted()) 15932 pw.println(); 15933 pw.println("ContentProvider Authorities:"); 15934 printedSomething = true; 15935 } 15936 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15937 pw.print(" "); pw.println(p.toString()); 15938 if (p.info != null && p.info.applicationInfo != null) { 15939 final String appInfo = p.info.applicationInfo.toString(); 15940 pw.print(" applicationInfo="); pw.println(appInfo); 15941 } 15942 } 15943 } 15944 15945 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15946 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15947 } 15948 15949 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15950 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15951 } 15952 15953 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15954 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15955 } 15956 15957 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15958 // XXX should handle packageName != null by dumping only install data that 15959 // the given package is involved with. 15960 if (dumpState.onTitlePrinted()) pw.println(); 15961 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 15962 } 15963 15964 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 15965 if (dumpState.onTitlePrinted()) pw.println(); 15966 mSettings.dumpReadMessagesLPr(pw, dumpState); 15967 15968 pw.println(); 15969 pw.println("Package warning messages:"); 15970 BufferedReader in = null; 15971 String line = null; 15972 try { 15973 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15974 while ((line = in.readLine()) != null) { 15975 if (line.contains("ignored: updated version")) continue; 15976 pw.println(line); 15977 } 15978 } catch (IOException ignored) { 15979 } finally { 15980 IoUtils.closeQuietly(in); 15981 } 15982 } 15983 15984 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15985 BufferedReader in = null; 15986 String line = null; 15987 try { 15988 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15989 while ((line = in.readLine()) != null) { 15990 if (line.contains("ignored: updated version")) continue; 15991 pw.print("msg,"); 15992 pw.println(line); 15993 } 15994 } catch (IOException ignored) { 15995 } finally { 15996 IoUtils.closeQuietly(in); 15997 } 15998 } 15999 } 16000 } 16001 16002 private String dumpDomainString(String packageName) { 16003 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 16004 List<IntentFilter> filters = getAllIntentFilters(packageName); 16005 16006 ArraySet<String> result = new ArraySet<>(); 16007 if (iviList.size() > 0) { 16008 for (IntentFilterVerificationInfo ivi : iviList) { 16009 for (String host : ivi.getDomains()) { 16010 result.add(host); 16011 } 16012 } 16013 } 16014 if (filters != null && filters.size() > 0) { 16015 for (IntentFilter filter : filters) { 16016 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 16017 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 16018 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 16019 result.addAll(filter.getHostsList()); 16020 } 16021 } 16022 } 16023 16024 StringBuilder sb = new StringBuilder(result.size() * 16); 16025 for (String domain : result) { 16026 if (sb.length() > 0) sb.append(" "); 16027 sb.append(domain); 16028 } 16029 return sb.toString(); 16030 } 16031 16032 // ------- apps on sdcard specific code ------- 16033 static final boolean DEBUG_SD_INSTALL = false; 16034 16035 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 16036 16037 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 16038 16039 private boolean mMediaMounted = false; 16040 16041 static String getEncryptKey() { 16042 try { 16043 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 16044 SD_ENCRYPTION_KEYSTORE_NAME); 16045 if (sdEncKey == null) { 16046 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 16047 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 16048 if (sdEncKey == null) { 16049 Slog.e(TAG, "Failed to create encryption keys"); 16050 return null; 16051 } 16052 } 16053 return sdEncKey; 16054 } catch (NoSuchAlgorithmException nsae) { 16055 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 16056 return null; 16057 } catch (IOException ioe) { 16058 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 16059 return null; 16060 } 16061 } 16062 16063 /* 16064 * Update media status on PackageManager. 16065 */ 16066 @Override 16067 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 16068 int callingUid = Binder.getCallingUid(); 16069 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 16070 throw new SecurityException("Media status can only be updated by the system"); 16071 } 16072 // reader; this apparently protects mMediaMounted, but should probably 16073 // be a different lock in that case. 16074 synchronized (mPackages) { 16075 Log.i(TAG, "Updating external media status from " 16076 + (mMediaMounted ? "mounted" : "unmounted") + " to " 16077 + (mediaStatus ? "mounted" : "unmounted")); 16078 if (DEBUG_SD_INSTALL) 16079 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 16080 + ", mMediaMounted=" + mMediaMounted); 16081 if (mediaStatus == mMediaMounted) { 16082 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 16083 : 0, -1); 16084 mHandler.sendMessage(msg); 16085 return; 16086 } 16087 mMediaMounted = mediaStatus; 16088 } 16089 // Queue up an async operation since the package installation may take a 16090 // little while. 16091 mHandler.post(new Runnable() { 16092 public void run() { 16093 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 16094 } 16095 }); 16096 } 16097 16098 /** 16099 * Called by MountService when the initial ASECs to scan are available. 16100 * Should block until all the ASEC containers are finished being scanned. 16101 */ 16102 public void scanAvailableAsecs() { 16103 updateExternalMediaStatusInner(true, false, false); 16104 if (mShouldRestoreconData) { 16105 SELinuxMMAC.setRestoreconDone(); 16106 mShouldRestoreconData = false; 16107 } 16108 } 16109 16110 /* 16111 * Collect information of applications on external media, map them against 16112 * existing containers and update information based on current mount status. 16113 * Please note that we always have to report status if reportStatus has been 16114 * set to true especially when unloading packages. 16115 */ 16116 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 16117 boolean externalStorage) { 16118 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 16119 int[] uidArr = EmptyArray.INT; 16120 16121 final String[] list = PackageHelper.getSecureContainerList(); 16122 if (ArrayUtils.isEmpty(list)) { 16123 Log.i(TAG, "No secure containers found"); 16124 } else { 16125 // Process list of secure containers and categorize them 16126 // as active or stale based on their package internal state. 16127 16128 // reader 16129 synchronized (mPackages) { 16130 for (String cid : list) { 16131 // Leave stages untouched for now; installer service owns them 16132 if (PackageInstallerService.isStageName(cid)) continue; 16133 16134 if (DEBUG_SD_INSTALL) 16135 Log.i(TAG, "Processing container " + cid); 16136 String pkgName = getAsecPackageName(cid); 16137 if (pkgName == null) { 16138 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 16139 continue; 16140 } 16141 if (DEBUG_SD_INSTALL) 16142 Log.i(TAG, "Looking for pkg : " + pkgName); 16143 16144 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16145 if (ps == null) { 16146 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 16147 continue; 16148 } 16149 16150 /* 16151 * Skip packages that are not external if we're unmounting 16152 * external storage. 16153 */ 16154 if (externalStorage && !isMounted && !isExternal(ps)) { 16155 continue; 16156 } 16157 16158 final AsecInstallArgs args = new AsecInstallArgs(cid, 16159 getAppDexInstructionSets(ps), ps.isForwardLocked()); 16160 // The package status is changed only if the code path 16161 // matches between settings and the container id. 16162 if (ps.codePathString != null 16163 && ps.codePathString.startsWith(args.getCodePath())) { 16164 if (DEBUG_SD_INSTALL) { 16165 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 16166 + " at code path: " + ps.codePathString); 16167 } 16168 16169 // We do have a valid package installed on sdcard 16170 processCids.put(args, ps.codePathString); 16171 final int uid = ps.appId; 16172 if (uid != -1) { 16173 uidArr = ArrayUtils.appendInt(uidArr, uid); 16174 } 16175 } else { 16176 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 16177 + ps.codePathString); 16178 } 16179 } 16180 } 16181 16182 Arrays.sort(uidArr); 16183 } 16184 16185 // Process packages with valid entries. 16186 if (isMounted) { 16187 if (DEBUG_SD_INSTALL) 16188 Log.i(TAG, "Loading packages"); 16189 loadMediaPackages(processCids, uidArr, externalStorage); 16190 startCleaningPackages(); 16191 mInstallerService.onSecureContainersAvailable(); 16192 } else { 16193 if (DEBUG_SD_INSTALL) 16194 Log.i(TAG, "Unloading packages"); 16195 unloadMediaPackages(processCids, uidArr, reportStatus); 16196 } 16197 } 16198 16199 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16200 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 16201 final int size = infos.size(); 16202 final String[] packageNames = new String[size]; 16203 final int[] packageUids = new int[size]; 16204 for (int i = 0; i < size; i++) { 16205 final ApplicationInfo info = infos.get(i); 16206 packageNames[i] = info.packageName; 16207 packageUids[i] = info.uid; 16208 } 16209 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 16210 finishedReceiver); 16211 } 16212 16213 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16214 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16215 sendResourcesChangedBroadcast(mediaStatus, replacing, 16216 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 16217 } 16218 16219 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16220 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16221 int size = pkgList.length; 16222 if (size > 0) { 16223 // Send broadcasts here 16224 Bundle extras = new Bundle(); 16225 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 16226 if (uidArr != null) { 16227 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 16228 } 16229 if (replacing) { 16230 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 16231 } 16232 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 16233 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 16234 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 16235 } 16236 } 16237 16238 /* 16239 * Look at potentially valid container ids from processCids If package 16240 * information doesn't match the one on record or package scanning fails, 16241 * the cid is added to list of removeCids. We currently don't delete stale 16242 * containers. 16243 */ 16244 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 16245 boolean externalStorage) { 16246 ArrayList<String> pkgList = new ArrayList<String>(); 16247 Set<AsecInstallArgs> keys = processCids.keySet(); 16248 16249 for (AsecInstallArgs args : keys) { 16250 String codePath = processCids.get(args); 16251 if (DEBUG_SD_INSTALL) 16252 Log.i(TAG, "Loading container : " + args.cid); 16253 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16254 try { 16255 // Make sure there are no container errors first. 16256 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 16257 Slog.e(TAG, "Failed to mount cid : " + args.cid 16258 + " when installing from sdcard"); 16259 continue; 16260 } 16261 // Check code path here. 16262 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 16263 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 16264 + " does not match one in settings " + codePath); 16265 continue; 16266 } 16267 // Parse package 16268 int parseFlags = mDefParseFlags; 16269 if (args.isExternalAsec()) { 16270 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 16271 } 16272 if (args.isFwdLocked()) { 16273 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 16274 } 16275 16276 synchronized (mInstallLock) { 16277 PackageParser.Package pkg = null; 16278 try { 16279 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 16280 } catch (PackageManagerException e) { 16281 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 16282 } 16283 // Scan the package 16284 if (pkg != null) { 16285 /* 16286 * TODO why is the lock being held? doPostInstall is 16287 * called in other places without the lock. This needs 16288 * to be straightened out. 16289 */ 16290 // writer 16291 synchronized (mPackages) { 16292 retCode = PackageManager.INSTALL_SUCCEEDED; 16293 pkgList.add(pkg.packageName); 16294 // Post process args 16295 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 16296 pkg.applicationInfo.uid); 16297 } 16298 } else { 16299 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 16300 } 16301 } 16302 16303 } finally { 16304 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 16305 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 16306 } 16307 } 16308 } 16309 // writer 16310 synchronized (mPackages) { 16311 // If the platform SDK has changed since the last time we booted, 16312 // we need to re-grant app permission to catch any new ones that 16313 // appear. This is really a hack, and means that apps can in some 16314 // cases get permissions that the user didn't initially explicitly 16315 // allow... it would be nice to have some better way to handle 16316 // this situation. 16317 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 16318 : mSettings.getInternalVersion(); 16319 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 16320 : StorageManager.UUID_PRIVATE_INTERNAL; 16321 16322 int updateFlags = UPDATE_PERMISSIONS_ALL; 16323 if (ver.sdkVersion != mSdkVersion) { 16324 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16325 + mSdkVersion + "; regranting permissions for external"); 16326 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16327 } 16328 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 16329 16330 // Yay, everything is now upgraded 16331 ver.forceCurrent(); 16332 16333 // can downgrade to reader 16334 // Persist settings 16335 mSettings.writeLPr(); 16336 } 16337 // Send a broadcast to let everyone know we are done processing 16338 if (pkgList.size() > 0) { 16339 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 16340 } 16341 } 16342 16343 /* 16344 * Utility method to unload a list of specified containers 16345 */ 16346 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 16347 // Just unmount all valid containers. 16348 for (AsecInstallArgs arg : cidArgs) { 16349 synchronized (mInstallLock) { 16350 arg.doPostDeleteLI(false); 16351 } 16352 } 16353 } 16354 16355 /* 16356 * Unload packages mounted on external media. This involves deleting package 16357 * data from internal structures, sending broadcasts about diabled packages, 16358 * gc'ing to free up references, unmounting all secure containers 16359 * corresponding to packages on external media, and posting a 16360 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 16361 * that we always have to post this message if status has been requested no 16362 * matter what. 16363 */ 16364 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 16365 final boolean reportStatus) { 16366 if (DEBUG_SD_INSTALL) 16367 Log.i(TAG, "unloading media packages"); 16368 ArrayList<String> pkgList = new ArrayList<String>(); 16369 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 16370 final Set<AsecInstallArgs> keys = processCids.keySet(); 16371 for (AsecInstallArgs args : keys) { 16372 String pkgName = args.getPackageName(); 16373 if (DEBUG_SD_INSTALL) 16374 Log.i(TAG, "Trying to unload pkg : " + pkgName); 16375 // Delete package internally 16376 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16377 synchronized (mInstallLock) { 16378 boolean res = deletePackageLI(pkgName, null, false, null, null, 16379 PackageManager.DELETE_KEEP_DATA, outInfo, false); 16380 if (res) { 16381 pkgList.add(pkgName); 16382 } else { 16383 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 16384 failedList.add(args); 16385 } 16386 } 16387 } 16388 16389 // reader 16390 synchronized (mPackages) { 16391 // We didn't update the settings after removing each package; 16392 // write them now for all packages. 16393 mSettings.writeLPr(); 16394 } 16395 16396 // We have to absolutely send UPDATED_MEDIA_STATUS only 16397 // after confirming that all the receivers processed the ordered 16398 // broadcast when packages get disabled, force a gc to clean things up. 16399 // and unload all the containers. 16400 if (pkgList.size() > 0) { 16401 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 16402 new IIntentReceiver.Stub() { 16403 public void performReceive(Intent intent, int resultCode, String data, 16404 Bundle extras, boolean ordered, boolean sticky, 16405 int sendingUser) throws RemoteException { 16406 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 16407 reportStatus ? 1 : 0, 1, keys); 16408 mHandler.sendMessage(msg); 16409 } 16410 }); 16411 } else { 16412 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 16413 keys); 16414 mHandler.sendMessage(msg); 16415 } 16416 } 16417 16418 private void loadPrivatePackages(final VolumeInfo vol) { 16419 mHandler.post(new Runnable() { 16420 @Override 16421 public void run() { 16422 loadPrivatePackagesInner(vol); 16423 } 16424 }); 16425 } 16426 16427 private void loadPrivatePackagesInner(VolumeInfo vol) { 16428 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 16429 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 16430 16431 final VersionInfo ver; 16432 final List<PackageSetting> packages; 16433 synchronized (mPackages) { 16434 ver = mSettings.findOrCreateVersion(vol.fsUuid); 16435 packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16436 } 16437 16438 for (PackageSetting ps : packages) { 16439 synchronized (mInstallLock) { 16440 final PackageParser.Package pkg; 16441 try { 16442 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 16443 loaded.add(pkg.applicationInfo); 16444 } catch (PackageManagerException e) { 16445 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 16446 } 16447 16448 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 16449 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 16450 } 16451 } 16452 } 16453 16454 synchronized (mPackages) { 16455 int updateFlags = UPDATE_PERMISSIONS_ALL; 16456 if (ver.sdkVersion != mSdkVersion) { 16457 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16458 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 16459 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16460 } 16461 updatePermissionsLPw(null, null, vol.fsUuid, updateFlags); 16462 16463 // Yay, everything is now upgraded 16464 ver.forceCurrent(); 16465 16466 mSettings.writeLPr(); 16467 } 16468 16469 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 16470 sendResourcesChangedBroadcast(true, false, loaded, null); 16471 } 16472 16473 private void unloadPrivatePackages(final VolumeInfo vol) { 16474 mHandler.post(new Runnable() { 16475 @Override 16476 public void run() { 16477 unloadPrivatePackagesInner(vol); 16478 } 16479 }); 16480 } 16481 16482 private void unloadPrivatePackagesInner(VolumeInfo vol) { 16483 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 16484 synchronized (mInstallLock) { 16485 synchronized (mPackages) { 16486 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16487 for (PackageSetting ps : packages) { 16488 if (ps.pkg == null) continue; 16489 16490 final ApplicationInfo info = ps.pkg.applicationInfo; 16491 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16492 if (deletePackageLI(ps.name, null, false, null, null, 16493 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 16494 unloaded.add(info); 16495 } else { 16496 Slog.w(TAG, "Failed to unload " + ps.codePath); 16497 } 16498 } 16499 16500 mSettings.writeLPr(); 16501 } 16502 } 16503 16504 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 16505 sendResourcesChangedBroadcast(false, false, unloaded, null); 16506 } 16507 16508 /** 16509 * Examine all users present on given mounted volume, and destroy data 16510 * belonging to users that are no longer valid, or whose user ID has been 16511 * recycled. 16512 */ 16513 private void reconcileUsers(String volumeUuid) { 16514 final File[] files = FileUtils 16515 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 16516 for (File file : files) { 16517 if (!file.isDirectory()) continue; 16518 16519 final int userId; 16520 final UserInfo info; 16521 try { 16522 userId = Integer.parseInt(file.getName()); 16523 info = sUserManager.getUserInfo(userId); 16524 } catch (NumberFormatException e) { 16525 Slog.w(TAG, "Invalid user directory " + file); 16526 continue; 16527 } 16528 16529 boolean destroyUser = false; 16530 if (info == null) { 16531 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16532 + " because no matching user was found"); 16533 destroyUser = true; 16534 } else { 16535 try { 16536 UserManagerService.enforceSerialNumber(file, info.serialNumber); 16537 } catch (IOException e) { 16538 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16539 + " because we failed to enforce serial number: " + e); 16540 destroyUser = true; 16541 } 16542 } 16543 16544 if (destroyUser) { 16545 synchronized (mInstallLock) { 16546 mInstaller.removeUserDataDirs(volumeUuid, userId); 16547 } 16548 } 16549 } 16550 16551 final StorageManager sm = mContext.getSystemService(StorageManager.class); 16552 final UserManager um = mContext.getSystemService(UserManager.class); 16553 for (UserInfo user : um.getUsers()) { 16554 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 16555 if (userDir.exists()) continue; 16556 16557 try { 16558 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, user.isEphemeral()); 16559 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 16560 } catch (IOException e) { 16561 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 16562 } 16563 } 16564 } 16565 16566 /** 16567 * Examine all apps present on given mounted volume, and destroy apps that 16568 * aren't expected, either due to uninstallation or reinstallation on 16569 * another volume. 16570 */ 16571 private void reconcileApps(String volumeUuid) { 16572 final File[] files = FileUtils 16573 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 16574 for (File file : files) { 16575 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 16576 && !PackageInstallerService.isStageName(file.getName()); 16577 if (!isPackage) { 16578 // Ignore entries which are not packages 16579 continue; 16580 } 16581 16582 boolean destroyApp = false; 16583 String packageName = null; 16584 try { 16585 final PackageLite pkg = PackageParser.parsePackageLite(file, 16586 PackageParser.PARSE_MUST_BE_APK); 16587 packageName = pkg.packageName; 16588 16589 synchronized (mPackages) { 16590 final PackageSetting ps = mSettings.mPackages.get(packageName); 16591 if (ps == null) { 16592 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 16593 + volumeUuid + " because we found no install record"); 16594 destroyApp = true; 16595 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16596 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 16597 + volumeUuid + " because we expected it on " + ps.volumeUuid); 16598 destroyApp = true; 16599 } 16600 } 16601 16602 } catch (PackageParserException e) { 16603 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 16604 destroyApp = true; 16605 } 16606 16607 if (destroyApp) { 16608 synchronized (mInstallLock) { 16609 if (packageName != null) { 16610 removeDataDirsLI(volumeUuid, packageName); 16611 } 16612 if (file.isDirectory()) { 16613 mInstaller.rmPackageDir(file.getAbsolutePath()); 16614 } else { 16615 file.delete(); 16616 } 16617 } 16618 } 16619 } 16620 } 16621 16622 private void unfreezePackage(String packageName) { 16623 synchronized (mPackages) { 16624 final PackageSetting ps = mSettings.mPackages.get(packageName); 16625 if (ps != null) { 16626 ps.frozen = false; 16627 } 16628 } 16629 } 16630 16631 @Override 16632 public int movePackage(final String packageName, final String volumeUuid) { 16633 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16634 16635 final int moveId = mNextMoveId.getAndIncrement(); 16636 mHandler.post(new Runnable() { 16637 @Override 16638 public void run() { 16639 try { 16640 movePackageInternal(packageName, volumeUuid, moveId); 16641 } catch (PackageManagerException e) { 16642 Slog.w(TAG, "Failed to move " + packageName, e); 16643 mMoveCallbacks.notifyStatusChanged(moveId, 16644 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16645 } 16646 } 16647 }); 16648 return moveId; 16649 } 16650 16651 private void movePackageInternal(final String packageName, final String volumeUuid, 16652 final int moveId) throws PackageManagerException { 16653 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 16654 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16655 final PackageManager pm = mContext.getPackageManager(); 16656 16657 final boolean currentAsec; 16658 final String currentVolumeUuid; 16659 final File codeFile; 16660 final String installerPackageName; 16661 final String packageAbiOverride; 16662 final int appId; 16663 final String seinfo; 16664 final String label; 16665 16666 // reader 16667 synchronized (mPackages) { 16668 final PackageParser.Package pkg = mPackages.get(packageName); 16669 final PackageSetting ps = mSettings.mPackages.get(packageName); 16670 if (pkg == null || ps == null) { 16671 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 16672 } 16673 16674 if (pkg.applicationInfo.isSystemApp()) { 16675 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 16676 "Cannot move system application"); 16677 } 16678 16679 if (pkg.applicationInfo.isExternalAsec()) { 16680 currentAsec = true; 16681 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 16682 } else if (pkg.applicationInfo.isForwardLocked()) { 16683 currentAsec = true; 16684 currentVolumeUuid = "forward_locked"; 16685 } else { 16686 currentAsec = false; 16687 currentVolumeUuid = ps.volumeUuid; 16688 16689 final File probe = new File(pkg.codePath); 16690 final File probeOat = new File(probe, "oat"); 16691 if (!probe.isDirectory() || !probeOat.isDirectory()) { 16692 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16693 "Move only supported for modern cluster style installs"); 16694 } 16695 } 16696 16697 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 16698 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16699 "Package already moved to " + volumeUuid); 16700 } 16701 16702 if (ps.frozen) { 16703 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 16704 "Failed to move already frozen package"); 16705 } 16706 ps.frozen = true; 16707 16708 codeFile = new File(pkg.codePath); 16709 installerPackageName = ps.installerPackageName; 16710 packageAbiOverride = ps.cpuAbiOverrideString; 16711 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16712 seinfo = pkg.applicationInfo.seinfo; 16713 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 16714 } 16715 16716 // Now that we're guarded by frozen state, kill app during move 16717 final long token = Binder.clearCallingIdentity(); 16718 try { 16719 killApplication(packageName, appId, "move pkg"); 16720 } finally { 16721 Binder.restoreCallingIdentity(token); 16722 } 16723 16724 final Bundle extras = new Bundle(); 16725 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 16726 extras.putString(Intent.EXTRA_TITLE, label); 16727 mMoveCallbacks.notifyCreated(moveId, extras); 16728 16729 int installFlags; 16730 final boolean moveCompleteApp; 16731 final File measurePath; 16732 16733 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16734 installFlags = INSTALL_INTERNAL; 16735 moveCompleteApp = !currentAsec; 16736 measurePath = Environment.getDataAppDirectory(volumeUuid); 16737 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16738 installFlags = INSTALL_EXTERNAL; 16739 moveCompleteApp = false; 16740 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16741 } else { 16742 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16743 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16744 || !volume.isMountedWritable()) { 16745 unfreezePackage(packageName); 16746 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16747 "Move location not mounted private volume"); 16748 } 16749 16750 Preconditions.checkState(!currentAsec); 16751 16752 installFlags = INSTALL_INTERNAL; 16753 moveCompleteApp = true; 16754 measurePath = Environment.getDataAppDirectory(volumeUuid); 16755 } 16756 16757 final PackageStats stats = new PackageStats(null, -1); 16758 synchronized (mInstaller) { 16759 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16760 unfreezePackage(packageName); 16761 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16762 "Failed to measure package size"); 16763 } 16764 } 16765 16766 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16767 + stats.dataSize); 16768 16769 final long startFreeBytes = measurePath.getFreeSpace(); 16770 final long sizeBytes; 16771 if (moveCompleteApp) { 16772 sizeBytes = stats.codeSize + stats.dataSize; 16773 } else { 16774 sizeBytes = stats.codeSize; 16775 } 16776 16777 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16778 unfreezePackage(packageName); 16779 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16780 "Not enough free space to move"); 16781 } 16782 16783 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16784 16785 final CountDownLatch installedLatch = new CountDownLatch(1); 16786 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16787 @Override 16788 public void onUserActionRequired(Intent intent) throws RemoteException { 16789 throw new IllegalStateException(); 16790 } 16791 16792 @Override 16793 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16794 Bundle extras) throws RemoteException { 16795 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16796 + PackageManager.installStatusToString(returnCode, msg)); 16797 16798 installedLatch.countDown(); 16799 16800 // Regardless of success or failure of the move operation, 16801 // always unfreeze the package 16802 unfreezePackage(packageName); 16803 16804 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16805 switch (status) { 16806 case PackageInstaller.STATUS_SUCCESS: 16807 mMoveCallbacks.notifyStatusChanged(moveId, 16808 PackageManager.MOVE_SUCCEEDED); 16809 break; 16810 case PackageInstaller.STATUS_FAILURE_STORAGE: 16811 mMoveCallbacks.notifyStatusChanged(moveId, 16812 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16813 break; 16814 default: 16815 mMoveCallbacks.notifyStatusChanged(moveId, 16816 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16817 break; 16818 } 16819 } 16820 }; 16821 16822 final MoveInfo move; 16823 if (moveCompleteApp) { 16824 // Kick off a thread to report progress estimates 16825 new Thread() { 16826 @Override 16827 public void run() { 16828 while (true) { 16829 try { 16830 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16831 break; 16832 } 16833 } catch (InterruptedException ignored) { 16834 } 16835 16836 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16837 final int progress = 10 + (int) MathUtils.constrain( 16838 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16839 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16840 } 16841 } 16842 }.start(); 16843 16844 final String dataAppName = codeFile.getName(); 16845 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16846 dataAppName, appId, seinfo); 16847 } else { 16848 move = null; 16849 } 16850 16851 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16852 16853 final Message msg = mHandler.obtainMessage(INIT_COPY); 16854 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16855 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 16856 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16857 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 16858 msg.obj = params; 16859 16860 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 16861 System.identityHashCode(msg.obj)); 16862 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 16863 System.identityHashCode(msg.obj)); 16864 16865 mHandler.sendMessage(msg); 16866 } 16867 16868 @Override 16869 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16870 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16871 16872 final int realMoveId = mNextMoveId.getAndIncrement(); 16873 final Bundle extras = new Bundle(); 16874 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16875 mMoveCallbacks.notifyCreated(realMoveId, extras); 16876 16877 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16878 @Override 16879 public void onCreated(int moveId, Bundle extras) { 16880 // Ignored 16881 } 16882 16883 @Override 16884 public void onStatusChanged(int moveId, int status, long estMillis) { 16885 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16886 } 16887 }; 16888 16889 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16890 storage.setPrimaryStorageUuid(volumeUuid, callback); 16891 return realMoveId; 16892 } 16893 16894 @Override 16895 public int getMoveStatus(int moveId) { 16896 mContext.enforceCallingOrSelfPermission( 16897 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16898 return mMoveCallbacks.mLastStatus.get(moveId); 16899 } 16900 16901 @Override 16902 public void registerMoveCallback(IPackageMoveObserver callback) { 16903 mContext.enforceCallingOrSelfPermission( 16904 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16905 mMoveCallbacks.register(callback); 16906 } 16907 16908 @Override 16909 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16910 mContext.enforceCallingOrSelfPermission( 16911 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16912 mMoveCallbacks.unregister(callback); 16913 } 16914 16915 @Override 16916 public boolean setInstallLocation(int loc) { 16917 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16918 null); 16919 if (getInstallLocation() == loc) { 16920 return true; 16921 } 16922 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16923 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16924 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16925 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16926 return true; 16927 } 16928 return false; 16929 } 16930 16931 @Override 16932 public int getInstallLocation() { 16933 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16934 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16935 PackageHelper.APP_INSTALL_AUTO); 16936 } 16937 16938 /** Called by UserManagerService */ 16939 void cleanUpUser(UserManagerService userManager, int userHandle) { 16940 synchronized (mPackages) { 16941 mDirtyUsers.remove(userHandle); 16942 mUserNeedsBadging.delete(userHandle); 16943 mSettings.removeUserLPw(userHandle); 16944 mPendingBroadcasts.remove(userHandle); 16945 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 16946 } 16947 synchronized (mInstallLock) { 16948 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16949 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16950 final String volumeUuid = vol.getFsUuid(); 16951 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 16952 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 16953 } 16954 synchronized (mPackages) { 16955 removeUnusedPackagesLILPw(userManager, userHandle); 16956 } 16957 } 16958 } 16959 16960 /** 16961 * We're removing userHandle and would like to remove any downloaded packages 16962 * that are no longer in use by any other user. 16963 * @param userHandle the user being removed 16964 */ 16965 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 16966 final boolean DEBUG_CLEAN_APKS = false; 16967 int [] users = userManager.getUserIds(); 16968 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 16969 while (psit.hasNext()) { 16970 PackageSetting ps = psit.next(); 16971 if (ps.pkg == null) { 16972 continue; 16973 } 16974 final String packageName = ps.pkg.packageName; 16975 // Skip over if system app 16976 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 16977 continue; 16978 } 16979 if (DEBUG_CLEAN_APKS) { 16980 Slog.i(TAG, "Checking package " + packageName); 16981 } 16982 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 16983 if (keep) { 16984 if (DEBUG_CLEAN_APKS) { 16985 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 16986 } 16987 } else { 16988 for (int i = 0; i < users.length; i++) { 16989 if (users[i] != userHandle && ps.getInstalled(users[i])) { 16990 keep = true; 16991 if (DEBUG_CLEAN_APKS) { 16992 Slog.i(TAG, " Keeping package " + packageName + " for user " 16993 + users[i]); 16994 } 16995 break; 16996 } 16997 } 16998 } 16999 if (!keep) { 17000 if (DEBUG_CLEAN_APKS) { 17001 Slog.i(TAG, " Removing package " + packageName); 17002 } 17003 mHandler.post(new Runnable() { 17004 public void run() { 17005 deletePackageX(packageName, userHandle, 0); 17006 } //end run 17007 }); 17008 } 17009 } 17010 } 17011 17012 /** Called by UserManagerService */ 17013 void createNewUser(int userHandle) { 17014 synchronized (mInstallLock) { 17015 mInstaller.createUserConfig(userHandle); 17016 mSettings.createNewUserLI(this, mInstaller, userHandle); 17017 } 17018 synchronized (mPackages) { 17019 applyFactoryDefaultBrowserLPw(userHandle); 17020 primeDomainVerificationsLPw(userHandle); 17021 } 17022 } 17023 17024 void newUserCreated(final int userHandle) { 17025 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 17026 // If permission review for legacy apps is required, we represent 17027 // dagerous permissions for such apps as always granted runtime 17028 // permissions to keep per user flag state whether review is needed. 17029 // Hence, if a new user is added we have to propagate dangerous 17030 // permission grants for these legacy apps. 17031 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 17032 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 17033 | UPDATE_PERMISSIONS_REPLACE_ALL); 17034 } 17035 } 17036 17037 @Override 17038 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 17039 mContext.enforceCallingOrSelfPermission( 17040 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 17041 "Only package verification agents can read the verifier device identity"); 17042 17043 synchronized (mPackages) { 17044 return mSettings.getVerifierDeviceIdentityLPw(); 17045 } 17046 } 17047 17048 @Override 17049 public void setPermissionEnforced(String permission, boolean enforced) { 17050 // TODO: Now that we no longer change GID for storage, this should to away. 17051 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 17052 "setPermissionEnforced"); 17053 if (READ_EXTERNAL_STORAGE.equals(permission)) { 17054 synchronized (mPackages) { 17055 if (mSettings.mReadExternalStorageEnforced == null 17056 || mSettings.mReadExternalStorageEnforced != enforced) { 17057 mSettings.mReadExternalStorageEnforced = enforced; 17058 mSettings.writeLPr(); 17059 } 17060 } 17061 // kill any non-foreground processes so we restart them and 17062 // grant/revoke the GID. 17063 final IActivityManager am = ActivityManagerNative.getDefault(); 17064 if (am != null) { 17065 final long token = Binder.clearCallingIdentity(); 17066 try { 17067 am.killProcessesBelowForeground("setPermissionEnforcement"); 17068 } catch (RemoteException e) { 17069 } finally { 17070 Binder.restoreCallingIdentity(token); 17071 } 17072 } 17073 } else { 17074 throw new IllegalArgumentException("No selective enforcement for " + permission); 17075 } 17076 } 17077 17078 @Override 17079 @Deprecated 17080 public boolean isPermissionEnforced(String permission) { 17081 return true; 17082 } 17083 17084 @Override 17085 public boolean isStorageLow() { 17086 final long token = Binder.clearCallingIdentity(); 17087 try { 17088 final DeviceStorageMonitorInternal 17089 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 17090 if (dsm != null) { 17091 return dsm.isMemoryLow(); 17092 } else { 17093 return false; 17094 } 17095 } finally { 17096 Binder.restoreCallingIdentity(token); 17097 } 17098 } 17099 17100 @Override 17101 public IPackageInstaller getPackageInstaller() { 17102 return mInstallerService; 17103 } 17104 17105 private boolean userNeedsBadging(int userId) { 17106 int index = mUserNeedsBadging.indexOfKey(userId); 17107 if (index < 0) { 17108 final UserInfo userInfo; 17109 final long token = Binder.clearCallingIdentity(); 17110 try { 17111 userInfo = sUserManager.getUserInfo(userId); 17112 } finally { 17113 Binder.restoreCallingIdentity(token); 17114 } 17115 final boolean b; 17116 if (userInfo != null && userInfo.isManagedProfile()) { 17117 b = true; 17118 } else { 17119 b = false; 17120 } 17121 mUserNeedsBadging.put(userId, b); 17122 return b; 17123 } 17124 return mUserNeedsBadging.valueAt(index); 17125 } 17126 17127 @Override 17128 public KeySet getKeySetByAlias(String packageName, String alias) { 17129 if (packageName == null || alias == null) { 17130 return null; 17131 } 17132 synchronized(mPackages) { 17133 final PackageParser.Package pkg = mPackages.get(packageName); 17134 if (pkg == null) { 17135 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17136 throw new IllegalArgumentException("Unknown package: " + packageName); 17137 } 17138 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17139 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 17140 } 17141 } 17142 17143 @Override 17144 public KeySet getSigningKeySet(String packageName) { 17145 if (packageName == null) { 17146 return null; 17147 } 17148 synchronized(mPackages) { 17149 final PackageParser.Package pkg = mPackages.get(packageName); 17150 if (pkg == null) { 17151 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17152 throw new IllegalArgumentException("Unknown package: " + packageName); 17153 } 17154 if (pkg.applicationInfo.uid != Binder.getCallingUid() 17155 && Process.SYSTEM_UID != Binder.getCallingUid()) { 17156 throw new SecurityException("May not access signing KeySet of other apps."); 17157 } 17158 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17159 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 17160 } 17161 } 17162 17163 @Override 17164 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 17165 if (packageName == null || ks == null) { 17166 return false; 17167 } 17168 synchronized(mPackages) { 17169 final PackageParser.Package pkg = mPackages.get(packageName); 17170 if (pkg == null) { 17171 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17172 throw new IllegalArgumentException("Unknown package: " + packageName); 17173 } 17174 IBinder ksh = ks.getToken(); 17175 if (ksh instanceof KeySetHandle) { 17176 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17177 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 17178 } 17179 return false; 17180 } 17181 } 17182 17183 @Override 17184 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 17185 if (packageName == null || ks == null) { 17186 return false; 17187 } 17188 synchronized(mPackages) { 17189 final PackageParser.Package pkg = mPackages.get(packageName); 17190 if (pkg == null) { 17191 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17192 throw new IllegalArgumentException("Unknown package: " + packageName); 17193 } 17194 IBinder ksh = ks.getToken(); 17195 if (ksh instanceof KeySetHandle) { 17196 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17197 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 17198 } 17199 return false; 17200 } 17201 } 17202 17203 private void deletePackageIfUnusedLPr(final String packageName) { 17204 PackageSetting ps = mSettings.mPackages.get(packageName); 17205 if (ps == null) { 17206 return; 17207 } 17208 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 17209 // TODO Implement atomic delete if package is unused 17210 // It is currently possible that the package will be deleted even if it is installed 17211 // after this method returns. 17212 mHandler.post(new Runnable() { 17213 public void run() { 17214 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 17215 } 17216 }); 17217 } 17218 } 17219 17220 /** 17221 * Check and throw if the given before/after packages would be considered a 17222 * downgrade. 17223 */ 17224 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 17225 throws PackageManagerException { 17226 if (after.versionCode < before.mVersionCode) { 17227 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17228 "Update version code " + after.versionCode + " is older than current " 17229 + before.mVersionCode); 17230 } else if (after.versionCode == before.mVersionCode) { 17231 if (after.baseRevisionCode < before.baseRevisionCode) { 17232 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17233 "Update base revision code " + after.baseRevisionCode 17234 + " is older than current " + before.baseRevisionCode); 17235 } 17236 17237 if (!ArrayUtils.isEmpty(after.splitNames)) { 17238 for (int i = 0; i < after.splitNames.length; i++) { 17239 final String splitName = after.splitNames[i]; 17240 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 17241 if (j != -1) { 17242 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 17243 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17244 "Update split " + splitName + " revision code " 17245 + after.splitRevisionCodes[i] + " is older than current " 17246 + before.splitRevisionCodes[j]); 17247 } 17248 } 17249 } 17250 } 17251 } 17252 } 17253 17254 private static class MoveCallbacks extends Handler { 17255 private static final int MSG_CREATED = 1; 17256 private static final int MSG_STATUS_CHANGED = 2; 17257 17258 private final RemoteCallbackList<IPackageMoveObserver> 17259 mCallbacks = new RemoteCallbackList<>(); 17260 17261 private final SparseIntArray mLastStatus = new SparseIntArray(); 17262 17263 public MoveCallbacks(Looper looper) { 17264 super(looper); 17265 } 17266 17267 public void register(IPackageMoveObserver callback) { 17268 mCallbacks.register(callback); 17269 } 17270 17271 public void unregister(IPackageMoveObserver callback) { 17272 mCallbacks.unregister(callback); 17273 } 17274 17275 @Override 17276 public void handleMessage(Message msg) { 17277 final SomeArgs args = (SomeArgs) msg.obj; 17278 final int n = mCallbacks.beginBroadcast(); 17279 for (int i = 0; i < n; i++) { 17280 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 17281 try { 17282 invokeCallback(callback, msg.what, args); 17283 } catch (RemoteException ignored) { 17284 } 17285 } 17286 mCallbacks.finishBroadcast(); 17287 args.recycle(); 17288 } 17289 17290 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 17291 throws RemoteException { 17292 switch (what) { 17293 case MSG_CREATED: { 17294 callback.onCreated(args.argi1, (Bundle) args.arg2); 17295 break; 17296 } 17297 case MSG_STATUS_CHANGED: { 17298 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 17299 break; 17300 } 17301 } 17302 } 17303 17304 private void notifyCreated(int moveId, Bundle extras) { 17305 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 17306 17307 final SomeArgs args = SomeArgs.obtain(); 17308 args.argi1 = moveId; 17309 args.arg2 = extras; 17310 obtainMessage(MSG_CREATED, args).sendToTarget(); 17311 } 17312 17313 private void notifyStatusChanged(int moveId, int status) { 17314 notifyStatusChanged(moveId, status, -1); 17315 } 17316 17317 private void notifyStatusChanged(int moveId, int status, long estMillis) { 17318 Slog.v(TAG, "Move " + moveId + " status " + status); 17319 17320 final SomeArgs args = SomeArgs.obtain(); 17321 args.argi1 = moveId; 17322 args.argi2 = status; 17323 args.arg3 = estMillis; 17324 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 17325 17326 synchronized (mLastStatus) { 17327 mLastStatus.put(moveId, status); 17328 } 17329 } 17330 } 17331 17332 private final static class OnPermissionChangeListeners extends Handler { 17333 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 17334 17335 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 17336 new RemoteCallbackList<>(); 17337 17338 public OnPermissionChangeListeners(Looper looper) { 17339 super(looper); 17340 } 17341 17342 @Override 17343 public void handleMessage(Message msg) { 17344 switch (msg.what) { 17345 case MSG_ON_PERMISSIONS_CHANGED: { 17346 final int uid = msg.arg1; 17347 handleOnPermissionsChanged(uid); 17348 } break; 17349 } 17350 } 17351 17352 public void addListenerLocked(IOnPermissionsChangeListener listener) { 17353 mPermissionListeners.register(listener); 17354 17355 } 17356 17357 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 17358 mPermissionListeners.unregister(listener); 17359 } 17360 17361 public void onPermissionsChanged(int uid) { 17362 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 17363 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 17364 } 17365 } 17366 17367 private void handleOnPermissionsChanged(int uid) { 17368 final int count = mPermissionListeners.beginBroadcast(); 17369 try { 17370 for (int i = 0; i < count; i++) { 17371 IOnPermissionsChangeListener callback = mPermissionListeners 17372 .getBroadcastItem(i); 17373 try { 17374 callback.onPermissionsChanged(uid); 17375 } catch (RemoteException e) { 17376 Log.e(TAG, "Permission listener is dead", e); 17377 } 17378 } 17379 } finally { 17380 mPermissionListeners.finishBroadcast(); 17381 } 17382 } 17383 } 17384 17385 private class PackageManagerInternalImpl extends PackageManagerInternal { 17386 @Override 17387 public void setLocationPackagesProvider(PackagesProvider provider) { 17388 synchronized (mPackages) { 17389 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 17390 } 17391 } 17392 17393 @Override 17394 public void setImePackagesProvider(PackagesProvider provider) { 17395 synchronized (mPackages) { 17396 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 17397 } 17398 } 17399 17400 @Override 17401 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 17402 synchronized (mPackages) { 17403 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 17404 } 17405 } 17406 17407 @Override 17408 public void setSmsAppPackagesProvider(PackagesProvider provider) { 17409 synchronized (mPackages) { 17410 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 17411 } 17412 } 17413 17414 @Override 17415 public void setDialerAppPackagesProvider(PackagesProvider provider) { 17416 synchronized (mPackages) { 17417 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 17418 } 17419 } 17420 17421 @Override 17422 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 17423 synchronized (mPackages) { 17424 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 17425 } 17426 } 17427 17428 @Override 17429 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 17430 synchronized (mPackages) { 17431 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 17432 } 17433 } 17434 17435 @Override 17436 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 17437 synchronized (mPackages) { 17438 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 17439 packageName, userId); 17440 } 17441 } 17442 17443 @Override 17444 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 17445 synchronized (mPackages) { 17446 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 17447 packageName, userId); 17448 } 17449 } 17450 17451 @Override 17452 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 17453 synchronized (mPackages) { 17454 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 17455 packageName, userId); 17456 } 17457 } 17458 17459 @Override 17460 public void setKeepUninstalledPackages(final List<String> packageList) { 17461 Preconditions.checkNotNull(packageList); 17462 List<String> removedFromList = null; 17463 synchronized (mPackages) { 17464 if (mKeepUninstalledPackages != null) { 17465 final int packagesCount = mKeepUninstalledPackages.size(); 17466 for (int i = 0; i < packagesCount; i++) { 17467 String oldPackage = mKeepUninstalledPackages.get(i); 17468 if (packageList != null && packageList.contains(oldPackage)) { 17469 continue; 17470 } 17471 if (removedFromList == null) { 17472 removedFromList = new ArrayList<>(); 17473 } 17474 removedFromList.add(oldPackage); 17475 } 17476 } 17477 mKeepUninstalledPackages = new ArrayList<>(packageList); 17478 if (removedFromList != null) { 17479 final int removedCount = removedFromList.size(); 17480 for (int i = 0; i < removedCount; i++) { 17481 deletePackageIfUnusedLPr(removedFromList.get(i)); 17482 } 17483 } 17484 } 17485 } 17486 17487 @Override 17488 public boolean isPermissionsReviewRequired(String packageName, int userId) { 17489 synchronized (mPackages) { 17490 // If we do not support permission review, done. 17491 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 17492 return false; 17493 } 17494 17495 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 17496 if (packageSetting == null) { 17497 return false; 17498 } 17499 17500 // Permission review applies only to apps not supporting the new permission model. 17501 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 17502 return false; 17503 } 17504 17505 // Legacy apps have the permission and get user consent on launch. 17506 PermissionsState permissionsState = packageSetting.getPermissionsState(); 17507 return permissionsState.isPermissionReviewRequired(userId); 17508 } 17509 } 17510 } 17511 17512 @Override 17513 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 17514 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 17515 synchronized (mPackages) { 17516 final long identity = Binder.clearCallingIdentity(); 17517 try { 17518 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 17519 packageNames, userId); 17520 } finally { 17521 Binder.restoreCallingIdentity(identity); 17522 } 17523 } 17524 } 17525 17526 private static void enforceSystemOrPhoneCaller(String tag) { 17527 int callingUid = Binder.getCallingUid(); 17528 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 17529 throw new SecurityException( 17530 "Cannot call " + tag + " from UID " + callingUid); 17531 } 17532 } 17533} 17534