PackageManagerService.java revision 2a9e3f8e6813716ab88ca54fd04ae047dc9aaaeb
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.MOVE_FAILED_DOESNT_EXIST; 63import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 64import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 65import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 66import static android.content.pm.PackageManager.PERMISSION_DENIED; 67import static android.content.pm.PackageManager.PERMISSION_GRANTED; 68import static android.content.pm.PackageParser.isApkFile; 69import static android.os.Process.PACKAGE_INFO_GID; 70import static android.os.Process.SYSTEM_UID; 71import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 72import static android.system.OsConstants.O_CREAT; 73import static android.system.OsConstants.O_RDWR; 74 75import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 76import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 77import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 78import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 79import static com.android.internal.util.ArrayUtils.appendInt; 80import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 81import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 82import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 83import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 84import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 85import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 86import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 87import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 88import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 89 90import android.Manifest; 91import android.app.ActivityManager; 92import android.app.ActivityManagerNative; 93import android.app.AppGlobals; 94import android.app.IActivityManager; 95import android.app.admin.IDevicePolicyManager; 96import android.app.backup.IBackupManager; 97import android.content.BroadcastReceiver; 98import android.content.ComponentName; 99import android.content.Context; 100import android.content.IIntentReceiver; 101import android.content.Intent; 102import android.content.IntentFilter; 103import android.content.IntentSender; 104import android.content.IntentSender.SendIntentException; 105import android.content.ServiceConnection; 106import android.content.pm.ActivityInfo; 107import android.content.pm.ApplicationInfo; 108import android.content.pm.AppsQueryHelper; 109import android.content.pm.EphemeralApplicationInfo; 110import android.content.pm.EphemeralResolveInfo; 111import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 112import android.content.pm.FeatureInfo; 113import android.content.pm.IOnPermissionsChangeListener; 114import android.content.pm.IPackageDataObserver; 115import android.content.pm.IPackageDeleteObserver; 116import android.content.pm.IPackageDeleteObserver2; 117import android.content.pm.IPackageInstallObserver2; 118import android.content.pm.IPackageInstaller; 119import android.content.pm.IPackageManager; 120import android.content.pm.IPackageMoveObserver; 121import android.content.pm.IPackageStatsObserver; 122import android.content.pm.InstrumentationInfo; 123import android.content.pm.IntentFilterVerificationInfo; 124import android.content.pm.KeySet; 125import android.content.pm.ManifestDigest; 126import android.content.pm.PackageCleanItem; 127import android.content.pm.PackageInfo; 128import android.content.pm.PackageInfoLite; 129import android.content.pm.PackageInstaller; 130import android.content.pm.PackageManager; 131import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 132import android.content.pm.PackageManagerInternal; 133import android.content.pm.PackageParser; 134import android.content.pm.PackageParser.ActivityIntentInfo; 135import android.content.pm.PackageParser.PackageLite; 136import android.content.pm.PackageParser.PackageParserException; 137import android.content.pm.PackageStats; 138import android.content.pm.PackageUserState; 139import android.content.pm.ParceledListSlice; 140import android.content.pm.PermissionGroupInfo; 141import android.content.pm.PermissionInfo; 142import android.content.pm.ProviderInfo; 143import android.content.pm.ResolveInfo; 144import android.content.pm.ServiceInfo; 145import android.content.pm.Signature; 146import android.content.pm.UserInfo; 147import android.content.pm.VerificationParams; 148import android.content.pm.VerifierDeviceIdentity; 149import android.content.pm.VerifierInfo; 150import android.content.res.Resources; 151import android.graphics.Bitmap; 152import android.hardware.display.DisplayManager; 153import android.net.Uri; 154import android.os.Binder; 155import android.os.Build; 156import android.os.Bundle; 157import android.os.Debug; 158import android.os.Environment; 159import android.os.Environment.UserEnvironment; 160import android.os.FileUtils; 161import android.os.Handler; 162import android.os.IBinder; 163import android.os.Looper; 164import android.os.Message; 165import android.os.Parcel; 166import android.os.ParcelFileDescriptor; 167import android.os.Process; 168import android.os.RemoteCallbackList; 169import android.os.RemoteException; 170import android.os.ResultReceiver; 171import android.os.SELinux; 172import android.os.ServiceManager; 173import android.os.SystemClock; 174import android.os.SystemProperties; 175import android.os.Trace; 176import android.os.UserHandle; 177import android.os.UserManager; 178import android.os.storage.IMountService; 179import android.os.storage.MountServiceInternal; 180import android.os.storage.StorageEventListener; 181import android.os.storage.StorageManager; 182import android.os.storage.VolumeInfo; 183import android.os.storage.VolumeRecord; 184import android.security.KeyStore; 185import android.security.SystemKeyStore; 186import android.system.ErrnoException; 187import android.system.Os; 188import android.system.StructStat; 189import android.text.TextUtils; 190import android.text.format.DateUtils; 191import android.util.ArrayMap; 192import android.util.ArraySet; 193import android.util.AtomicFile; 194import android.util.DisplayMetrics; 195import android.util.EventLog; 196import android.util.ExceptionUtils; 197import android.util.Log; 198import android.util.LogPrinter; 199import android.util.MathUtils; 200import android.util.PrintStreamPrinter; 201import android.util.Slog; 202import android.util.SparseArray; 203import android.util.SparseBooleanArray; 204import android.util.SparseIntArray; 205import android.util.Xml; 206import android.view.Display; 207 208import com.android.internal.R; 209import com.android.internal.annotations.GuardedBy; 210import com.android.internal.annotations.GuardedBy; 211import com.android.internal.app.IMediaContainerService; 212import com.android.internal.app.ResolverActivity; 213import com.android.internal.content.NativeLibraryHelper; 214import com.android.internal.content.PackageHelper; 215import com.android.internal.os.IParcelFileDescriptorFactory; 216import com.android.internal.os.SomeArgs; 217import com.android.internal.os.Zygote; 218import com.android.internal.util.ArrayUtils; 219import com.android.internal.util.FastPrintWriter; 220import com.android.internal.util.FastXmlSerializer; 221import com.android.internal.util.IndentingPrintWriter; 222import com.android.internal.util.Preconditions; 223import com.android.server.EventLogTags; 224import com.android.server.FgThread; 225import com.android.server.IntentResolver; 226import com.android.server.LocalServices; 227import com.android.server.ServiceThread; 228import com.android.server.SystemConfig; 229import com.android.server.Watchdog; 230import com.android.server.pm.PermissionsState.PermissionState; 231import com.android.server.pm.Settings.DatabaseVersion; 232import com.android.server.pm.Settings.VersionInfo; 233import com.android.server.storage.DeviceStorageMonitorInternal; 234 235import dalvik.system.DexFile; 236import dalvik.system.VMRuntime; 237 238import libcore.io.IoUtils; 239import libcore.util.EmptyArray; 240 241import org.xmlpull.v1.XmlPullParser; 242import org.xmlpull.v1.XmlPullParserException; 243import org.xmlpull.v1.XmlSerializer; 244 245import java.io.BufferedInputStream; 246import java.io.BufferedOutputStream; 247import java.io.BufferedReader; 248import java.io.ByteArrayInputStream; 249import java.io.ByteArrayOutputStream; 250import java.io.File; 251import java.io.FileDescriptor; 252import java.io.FileNotFoundException; 253import java.io.FileOutputStream; 254import java.io.FileReader; 255import java.io.FilenameFilter; 256import java.io.IOException; 257import java.io.InputStream; 258import java.io.PrintWriter; 259import java.nio.charset.StandardCharsets; 260import java.security.MessageDigest; 261import java.security.NoSuchAlgorithmException; 262import java.security.PublicKey; 263import java.security.cert.CertificateEncodingException; 264import java.security.cert.CertificateException; 265import java.text.SimpleDateFormat; 266import java.util.ArrayList; 267import java.util.Arrays; 268import java.util.Collection; 269import java.util.Collections; 270import java.util.Comparator; 271import java.util.Date; 272import java.util.Iterator; 273import java.util.List; 274import java.util.Map; 275import java.util.Objects; 276import java.util.Set; 277import java.util.concurrent.CountDownLatch; 278import java.util.concurrent.TimeUnit; 279import java.util.concurrent.atomic.AtomicBoolean; 280import java.util.concurrent.atomic.AtomicInteger; 281import java.util.concurrent.atomic.AtomicLong; 282 283/** 284 * Keep track of all those .apks everywhere. 285 * 286 * This is very central to the platform's security; please run the unit 287 * tests whenever making modifications here: 288 * 289runtest -c android.content.pm.PackageManagerTests frameworks-core 290 * 291 * {@hide} 292 */ 293public class PackageManagerService extends IPackageManager.Stub { 294 static final String TAG = "PackageManager"; 295 static final boolean DEBUG_SETTINGS = false; 296 static final boolean DEBUG_PREFERRED = false; 297 static final boolean DEBUG_UPGRADE = false; 298 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 299 private static final boolean DEBUG_BACKUP = false; 300 private static final boolean DEBUG_INSTALL = false; 301 private static final boolean DEBUG_REMOVE = false; 302 private static final boolean DEBUG_BROADCASTS = false; 303 private static final boolean DEBUG_SHOW_INFO = false; 304 private static final boolean DEBUG_PACKAGE_INFO = false; 305 private static final boolean DEBUG_INTENT_MATCHING = false; 306 private static final boolean DEBUG_PACKAGE_SCANNING = false; 307 private static final boolean DEBUG_VERIFY = false; 308 private static final boolean DEBUG_DEXOPT = false; 309 private static final boolean DEBUG_ABI_SELECTION = false; 310 private static final boolean DEBUG_EPHEMERAL = false; 311 private static final boolean DEBUG_ENCRYPTION_AWARE = false; 312 313 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 314 315 private static final int RADIO_UID = Process.PHONE_UID; 316 private static final int LOG_UID = Process.LOG_UID; 317 private static final int NFC_UID = Process.NFC_UID; 318 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 319 private static final int SHELL_UID = Process.SHELL_UID; 320 321 // Cap the size of permission trees that 3rd party apps can define 322 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 323 324 // Suffix used during package installation when copying/moving 325 // package apks to install directory. 326 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 327 328 static final int SCAN_NO_DEX = 1<<1; 329 static final int SCAN_FORCE_DEX = 1<<2; 330 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 331 static final int SCAN_NEW_INSTALL = 1<<4; 332 static final int SCAN_NO_PATHS = 1<<5; 333 static final int SCAN_UPDATE_TIME = 1<<6; 334 static final int SCAN_DEFER_DEX = 1<<7; 335 static final int SCAN_BOOTING = 1<<8; 336 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 337 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 338 static final int SCAN_REPLACING = 1<<11; 339 static final int SCAN_REQUIRE_KNOWN = 1<<12; 340 static final int SCAN_MOVE = 1<<13; 341 static final int SCAN_INITIAL = 1<<14; 342 343 static final int REMOVE_CHATTY = 1<<16; 344 345 private static final int[] EMPTY_INT_ARRAY = new int[0]; 346 347 /** 348 * Timeout (in milliseconds) after which the watchdog should declare that 349 * our handler thread is wedged. The usual default for such things is one 350 * minute but we sometimes do very lengthy I/O operations on this thread, 351 * such as installing multi-gigabyte applications, so ours needs to be longer. 352 */ 353 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 354 355 /** 356 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 357 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 358 * settings entry if available, otherwise we use the hardcoded default. If it's been 359 * more than this long since the last fstrim, we force one during the boot sequence. 360 * 361 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 362 * one gets run at the next available charging+idle time. This final mandatory 363 * no-fstrim check kicks in only of the other scheduling criteria is never met. 364 */ 365 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 366 367 /** 368 * Whether verification is enabled by default. 369 */ 370 private static final boolean DEFAULT_VERIFY_ENABLE = true; 371 372 /** 373 * The default maximum time to wait for the verification agent to return in 374 * milliseconds. 375 */ 376 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 377 378 /** 379 * The default response for package verification timeout. 380 * 381 * This can be either PackageManager.VERIFICATION_ALLOW or 382 * PackageManager.VERIFICATION_REJECT. 383 */ 384 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 385 386 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 387 388 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 389 DEFAULT_CONTAINER_PACKAGE, 390 "com.android.defcontainer.DefaultContainerService"); 391 392 private static final String KILL_APP_REASON_GIDS_CHANGED = 393 "permission grant or revoke changed gids"; 394 395 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 396 "permissions revoked"; 397 398 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 399 400 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 401 402 /** Permission grant: not grant the permission. */ 403 private static final int GRANT_DENIED = 1; 404 405 /** Permission grant: grant the permission as an install permission. */ 406 private static final int GRANT_INSTALL = 2; 407 408 /** Permission grant: grant the permission as a runtime one. */ 409 private static final int GRANT_RUNTIME = 3; 410 411 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 412 private static final int GRANT_UPGRADE = 4; 413 414 /** Canonical intent used to identify what counts as a "web browser" app */ 415 private static final Intent sBrowserIntent; 416 static { 417 sBrowserIntent = new Intent(); 418 sBrowserIntent.setAction(Intent.ACTION_VIEW); 419 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 420 sBrowserIntent.setData(Uri.parse("http:")); 421 } 422 423 final ServiceThread mHandlerThread; 424 425 final PackageHandler mHandler; 426 427 /** 428 * Messages for {@link #mHandler} that need to wait for system ready before 429 * being dispatched. 430 */ 431 private ArrayList<Message> mPostSystemReadyMessages; 432 433 final int mSdkVersion = Build.VERSION.SDK_INT; 434 435 final Context mContext; 436 final boolean mFactoryTest; 437 final boolean mOnlyCore; 438 final DisplayMetrics mMetrics; 439 final int mDefParseFlags; 440 final String[] mSeparateProcesses; 441 final boolean mIsUpgrade; 442 443 /** The location for ASEC container files on internal storage. */ 444 final String mAsecInternalPath; 445 446 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 447 // LOCK HELD. Can be called with mInstallLock held. 448 @GuardedBy("mInstallLock") 449 final Installer mInstaller; 450 451 /** Directory where installed third-party apps stored */ 452 final File mAppInstallDir; 453 final File mEphemeralInstallDir; 454 455 /** 456 * Directory to which applications installed internally have their 457 * 32 bit native libraries copied. 458 */ 459 private File mAppLib32InstallDir; 460 461 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 462 // apps. 463 final File mDrmAppPrivateInstallDir; 464 465 // ---------------------------------------------------------------- 466 467 // Lock for state used when installing and doing other long running 468 // operations. Methods that must be called with this lock held have 469 // the suffix "LI". 470 final Object mInstallLock = new Object(); 471 472 // ---------------------------------------------------------------- 473 474 // Keys are String (package name), values are Package. This also serves 475 // as the lock for the global state. Methods that must be called with 476 // this lock held have the prefix "LP". 477 @GuardedBy("mPackages") 478 final ArrayMap<String, PackageParser.Package> mPackages = 479 new ArrayMap<String, PackageParser.Package>(); 480 481 // Tracks available target package names -> overlay package paths. 482 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 483 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 484 485 /** 486 * Tracks new system packages [received in an OTA] that we expect to 487 * find updated user-installed versions. Keys are package name, values 488 * are package location. 489 */ 490 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 491 492 /** 493 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 494 */ 495 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 496 /** 497 * Whether or not system app permissions should be promoted from install to runtime. 498 */ 499 boolean mPromoteSystemApps; 500 501 final Settings mSettings; 502 boolean mRestoredSettings; 503 504 // System configuration read by SystemConfig. 505 final int[] mGlobalGids; 506 final SparseArray<ArraySet<String>> mSystemPermissions; 507 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 508 509 // If mac_permissions.xml was found for seinfo labeling. 510 boolean mFoundPolicyFile; 511 512 // If a recursive restorecon of /data/data/<pkg> is needed. 513 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 514 515 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 516 517 public static final class SharedLibraryEntry { 518 public final String path; 519 public final String apk; 520 521 SharedLibraryEntry(String _path, String _apk) { 522 path = _path; 523 apk = _apk; 524 } 525 } 526 527 // Currently known shared libraries. 528 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 529 new ArrayMap<String, SharedLibraryEntry>(); 530 531 // All available activities, for your resolving pleasure. 532 final ActivityIntentResolver mActivities = 533 new ActivityIntentResolver(); 534 535 // All available receivers, for your resolving pleasure. 536 final ActivityIntentResolver mReceivers = 537 new ActivityIntentResolver(); 538 539 // All available services, for your resolving pleasure. 540 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 541 542 // All available providers, for your resolving pleasure. 543 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 544 545 // Mapping from provider base names (first directory in content URI codePath) 546 // to the provider information. 547 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 548 new ArrayMap<String, PackageParser.Provider>(); 549 550 // Mapping from instrumentation class names to info about them. 551 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 552 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 553 554 // Mapping from permission names to info about them. 555 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 556 new ArrayMap<String, PackageParser.PermissionGroup>(); 557 558 // Packages whose data we have transfered into another package, thus 559 // should no longer exist. 560 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 561 562 // Broadcast actions that are only available to the system. 563 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 564 565 /** List of packages waiting for verification. */ 566 final SparseArray<PackageVerificationState> mPendingVerification 567 = new SparseArray<PackageVerificationState>(); 568 569 /** Set of packages associated with each app op permission. */ 570 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 571 572 final PackageInstallerService mInstallerService; 573 574 private final PackageDexOptimizer mPackageDexOptimizer; 575 576 private AtomicInteger mNextMoveId = new AtomicInteger(); 577 private final MoveCallbacks mMoveCallbacks; 578 579 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 580 581 // Cache of users who need badging. 582 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 583 584 /** Token for keys in mPendingVerification. */ 585 private int mPendingVerificationToken = 0; 586 587 volatile boolean mSystemReady; 588 volatile boolean mSafeMode; 589 volatile boolean mHasSystemUidErrors; 590 591 ApplicationInfo mAndroidApplication; 592 final ActivityInfo mResolveActivity = new ActivityInfo(); 593 final ResolveInfo mResolveInfo = new ResolveInfo(); 594 ComponentName mResolveComponentName; 595 PackageParser.Package mPlatformPackage; 596 ComponentName mCustomResolverComponentName; 597 598 boolean mResolverReplaced = false; 599 600 private final ComponentName mIntentFilterVerifierComponent; 601 private int mIntentFilterVerificationToken = 0; 602 603 /** Component that knows whether or not an ephemeral application exists */ 604 final ComponentName mEphemeralResolverComponent; 605 /** The service connection to the ephemeral resolver */ 606 final EphemeralResolverConnection mEphemeralResolverConnection; 607 608 /** Component used to install ephemeral applications */ 609 final ComponentName mEphemeralInstallerComponent; 610 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 611 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 612 613 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 614 = new SparseArray<IntentFilterVerificationState>(); 615 616 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 617 new DefaultPermissionGrantPolicy(this); 618 619 // List of packages names to keep cached, even if they are uninstalled for all users 620 private List<String> mKeepUninstalledPackages; 621 622 private static class IFVerificationParams { 623 PackageParser.Package pkg; 624 boolean replacing; 625 int userId; 626 int verifierUid; 627 628 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 629 int _userId, int _verifierUid) { 630 pkg = _pkg; 631 replacing = _replacing; 632 userId = _userId; 633 replacing = _replacing; 634 verifierUid = _verifierUid; 635 } 636 } 637 638 private interface IntentFilterVerifier<T extends IntentFilter> { 639 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 640 T filter, String packageName); 641 void startVerifications(int userId); 642 void receiveVerificationResponse(int verificationId); 643 } 644 645 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 646 private Context mContext; 647 private ComponentName mIntentFilterVerifierComponent; 648 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 649 650 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 651 mContext = context; 652 mIntentFilterVerifierComponent = verifierComponent; 653 } 654 655 private String getDefaultScheme() { 656 return IntentFilter.SCHEME_HTTPS; 657 } 658 659 @Override 660 public void startVerifications(int userId) { 661 // Launch verifications requests 662 int count = mCurrentIntentFilterVerifications.size(); 663 for (int n=0; n<count; n++) { 664 int verificationId = mCurrentIntentFilterVerifications.get(n); 665 final IntentFilterVerificationState ivs = 666 mIntentFilterVerificationStates.get(verificationId); 667 668 String packageName = ivs.getPackageName(); 669 670 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 671 final int filterCount = filters.size(); 672 ArraySet<String> domainsSet = new ArraySet<>(); 673 for (int m=0; m<filterCount; m++) { 674 PackageParser.ActivityIntentInfo filter = filters.get(m); 675 domainsSet.addAll(filter.getHostsList()); 676 } 677 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 678 synchronized (mPackages) { 679 if (mSettings.createIntentFilterVerificationIfNeededLPw( 680 packageName, domainsList) != null) { 681 scheduleWriteSettingsLocked(); 682 } 683 } 684 sendVerificationRequest(userId, verificationId, ivs); 685 } 686 mCurrentIntentFilterVerifications.clear(); 687 } 688 689 private void sendVerificationRequest(int userId, int verificationId, 690 IntentFilterVerificationState ivs) { 691 692 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 693 verificationIntent.putExtra( 694 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 695 verificationId); 696 verificationIntent.putExtra( 697 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 698 getDefaultScheme()); 699 verificationIntent.putExtra( 700 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 701 ivs.getHostsString()); 702 verificationIntent.putExtra( 703 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 704 ivs.getPackageName()); 705 verificationIntent.setComponent(mIntentFilterVerifierComponent); 706 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 707 708 UserHandle user = new UserHandle(userId); 709 mContext.sendBroadcastAsUser(verificationIntent, user); 710 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 711 "Sending IntentFilter verification broadcast"); 712 } 713 714 public void receiveVerificationResponse(int verificationId) { 715 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 716 717 final boolean verified = ivs.isVerified(); 718 719 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 720 final int count = filters.size(); 721 if (DEBUG_DOMAIN_VERIFICATION) { 722 Slog.i(TAG, "Received verification response " + verificationId 723 + " for " + count + " filters, verified=" + verified); 724 } 725 for (int n=0; n<count; n++) { 726 PackageParser.ActivityIntentInfo filter = filters.get(n); 727 filter.setVerified(verified); 728 729 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 730 + " verified with result:" + verified + " and hosts:" 731 + ivs.getHostsString()); 732 } 733 734 mIntentFilterVerificationStates.remove(verificationId); 735 736 final String packageName = ivs.getPackageName(); 737 IntentFilterVerificationInfo ivi = null; 738 739 synchronized (mPackages) { 740 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 741 } 742 if (ivi == null) { 743 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 744 + verificationId + " packageName:" + packageName); 745 return; 746 } 747 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 748 "Updating IntentFilterVerificationInfo for package " + packageName 749 +" verificationId:" + verificationId); 750 751 synchronized (mPackages) { 752 if (verified) { 753 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 754 } else { 755 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 756 } 757 scheduleWriteSettingsLocked(); 758 759 final int userId = ivs.getUserId(); 760 if (userId != UserHandle.USER_ALL) { 761 final int userStatus = 762 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 763 764 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 765 boolean needUpdate = false; 766 767 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 768 // already been set by the User thru the Disambiguation dialog 769 switch (userStatus) { 770 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 771 if (verified) { 772 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 773 } else { 774 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 775 } 776 needUpdate = true; 777 break; 778 779 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 780 if (verified) { 781 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 782 needUpdate = true; 783 } 784 break; 785 786 default: 787 // Nothing to do 788 } 789 790 if (needUpdate) { 791 mSettings.updateIntentFilterVerificationStatusLPw( 792 packageName, updatedStatus, userId); 793 scheduleWritePackageRestrictionsLocked(userId); 794 } 795 } 796 } 797 } 798 799 @Override 800 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 801 ActivityIntentInfo filter, String packageName) { 802 if (!hasValidDomains(filter)) { 803 return false; 804 } 805 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 806 if (ivs == null) { 807 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 808 packageName); 809 } 810 if (DEBUG_DOMAIN_VERIFICATION) { 811 Slog.d(TAG, "Adding verification filter for " + packageName + " : " + filter); 812 } 813 ivs.addFilter(filter); 814 return true; 815 } 816 817 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 818 int userId, int verificationId, String packageName) { 819 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 820 verifierUid, userId, packageName); 821 ivs.setPendingState(); 822 synchronized (mPackages) { 823 mIntentFilterVerificationStates.append(verificationId, ivs); 824 mCurrentIntentFilterVerifications.add(verificationId); 825 } 826 return ivs; 827 } 828 } 829 830 private static boolean hasValidDomains(ActivityIntentInfo filter) { 831 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 832 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 833 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 834 } 835 836 private IntentFilterVerifier mIntentFilterVerifier; 837 838 // Set of pending broadcasts for aggregating enable/disable of components. 839 static class PendingPackageBroadcasts { 840 // for each user id, a map of <package name -> components within that package> 841 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 842 843 public PendingPackageBroadcasts() { 844 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 845 } 846 847 public ArrayList<String> get(int userId, String packageName) { 848 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 849 return packages.get(packageName); 850 } 851 852 public void put(int userId, String packageName, ArrayList<String> components) { 853 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 854 packages.put(packageName, components); 855 } 856 857 public void remove(int userId, String packageName) { 858 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 859 if (packages != null) { 860 packages.remove(packageName); 861 } 862 } 863 864 public void remove(int userId) { 865 mUidMap.remove(userId); 866 } 867 868 public int userIdCount() { 869 return mUidMap.size(); 870 } 871 872 public int userIdAt(int n) { 873 return mUidMap.keyAt(n); 874 } 875 876 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 877 return mUidMap.get(userId); 878 } 879 880 public int size() { 881 // total number of pending broadcast entries across all userIds 882 int num = 0; 883 for (int i = 0; i< mUidMap.size(); i++) { 884 num += mUidMap.valueAt(i).size(); 885 } 886 return num; 887 } 888 889 public void clear() { 890 mUidMap.clear(); 891 } 892 893 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 894 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 895 if (map == null) { 896 map = new ArrayMap<String, ArrayList<String>>(); 897 mUidMap.put(userId, map); 898 } 899 return map; 900 } 901 } 902 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 903 904 // Service Connection to remote media container service to copy 905 // package uri's from external media onto secure containers 906 // or internal storage. 907 private IMediaContainerService mContainerService = null; 908 909 static final int SEND_PENDING_BROADCAST = 1; 910 static final int MCS_BOUND = 3; 911 static final int END_COPY = 4; 912 static final int INIT_COPY = 5; 913 static final int MCS_UNBIND = 6; 914 static final int START_CLEANING_PACKAGE = 7; 915 static final int FIND_INSTALL_LOC = 8; 916 static final int POST_INSTALL = 9; 917 static final int MCS_RECONNECT = 10; 918 static final int MCS_GIVE_UP = 11; 919 static final int UPDATED_MEDIA_STATUS = 12; 920 static final int WRITE_SETTINGS = 13; 921 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 922 static final int PACKAGE_VERIFIED = 15; 923 static final int CHECK_PENDING_VERIFICATION = 16; 924 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 925 static final int INTENT_FILTER_VERIFIED = 18; 926 927 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 928 929 // Delay time in millisecs 930 static final int BROADCAST_DELAY = 10 * 1000; 931 932 static UserManagerService sUserManager; 933 934 // Stores a list of users whose package restrictions file needs to be updated 935 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 936 937 final private DefaultContainerConnection mDefContainerConn = 938 new DefaultContainerConnection(); 939 class DefaultContainerConnection implements ServiceConnection { 940 public void onServiceConnected(ComponentName name, IBinder service) { 941 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 942 IMediaContainerService imcs = 943 IMediaContainerService.Stub.asInterface(service); 944 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 945 } 946 947 public void onServiceDisconnected(ComponentName name) { 948 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 949 } 950 } 951 952 // Recordkeeping of restore-after-install operations that are currently in flight 953 // between the Package Manager and the Backup Manager 954 static class PostInstallData { 955 public InstallArgs args; 956 public PackageInstalledInfo res; 957 958 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 959 args = _a; 960 res = _r; 961 } 962 } 963 964 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 965 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 966 967 // XML tags for backup/restore of various bits of state 968 private static final String TAG_PREFERRED_BACKUP = "pa"; 969 private static final String TAG_DEFAULT_APPS = "da"; 970 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 971 972 final String mRequiredVerifierPackage; 973 final String mRequiredInstallerPackage; 974 975 private final PackageUsage mPackageUsage = new PackageUsage(); 976 977 private class PackageUsage { 978 private static final int WRITE_INTERVAL 979 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 980 981 private final Object mFileLock = new Object(); 982 private final AtomicLong mLastWritten = new AtomicLong(0); 983 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 984 985 private boolean mIsHistoricalPackageUsageAvailable = true; 986 987 boolean isHistoricalPackageUsageAvailable() { 988 return mIsHistoricalPackageUsageAvailable; 989 } 990 991 void write(boolean force) { 992 if (force) { 993 writeInternal(); 994 return; 995 } 996 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 997 && !DEBUG_DEXOPT) { 998 return; 999 } 1000 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1001 new Thread("PackageUsage_DiskWriter") { 1002 @Override 1003 public void run() { 1004 try { 1005 writeInternal(); 1006 } finally { 1007 mBackgroundWriteRunning.set(false); 1008 } 1009 } 1010 }.start(); 1011 } 1012 } 1013 1014 private void writeInternal() { 1015 synchronized (mPackages) { 1016 synchronized (mFileLock) { 1017 AtomicFile file = getFile(); 1018 FileOutputStream f = null; 1019 try { 1020 f = file.startWrite(); 1021 BufferedOutputStream out = new BufferedOutputStream(f); 1022 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1023 StringBuilder sb = new StringBuilder(); 1024 for (PackageParser.Package pkg : mPackages.values()) { 1025 if (pkg.mLastPackageUsageTimeInMills == 0) { 1026 continue; 1027 } 1028 sb.setLength(0); 1029 sb.append(pkg.packageName); 1030 sb.append(' '); 1031 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1032 sb.append('\n'); 1033 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1034 } 1035 out.flush(); 1036 file.finishWrite(f); 1037 } catch (IOException e) { 1038 if (f != null) { 1039 file.failWrite(f); 1040 } 1041 Log.e(TAG, "Failed to write package usage times", e); 1042 } 1043 } 1044 } 1045 mLastWritten.set(SystemClock.elapsedRealtime()); 1046 } 1047 1048 void readLP() { 1049 synchronized (mFileLock) { 1050 AtomicFile file = getFile(); 1051 BufferedInputStream in = null; 1052 try { 1053 in = new BufferedInputStream(file.openRead()); 1054 StringBuffer sb = new StringBuffer(); 1055 while (true) { 1056 String packageName = readToken(in, sb, ' '); 1057 if (packageName == null) { 1058 break; 1059 } 1060 String timeInMillisString = readToken(in, sb, '\n'); 1061 if (timeInMillisString == null) { 1062 throw new IOException("Failed to find last usage time for package " 1063 + packageName); 1064 } 1065 PackageParser.Package pkg = mPackages.get(packageName); 1066 if (pkg == null) { 1067 continue; 1068 } 1069 long timeInMillis; 1070 try { 1071 timeInMillis = Long.parseLong(timeInMillisString); 1072 } catch (NumberFormatException e) { 1073 throw new IOException("Failed to parse " + timeInMillisString 1074 + " as a long.", e); 1075 } 1076 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1077 } 1078 } catch (FileNotFoundException expected) { 1079 mIsHistoricalPackageUsageAvailable = false; 1080 } catch (IOException e) { 1081 Log.w(TAG, "Failed to read package usage times", e); 1082 } finally { 1083 IoUtils.closeQuietly(in); 1084 } 1085 } 1086 mLastWritten.set(SystemClock.elapsedRealtime()); 1087 } 1088 1089 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1090 throws IOException { 1091 sb.setLength(0); 1092 while (true) { 1093 int ch = in.read(); 1094 if (ch == -1) { 1095 if (sb.length() == 0) { 1096 return null; 1097 } 1098 throw new IOException("Unexpected EOF"); 1099 } 1100 if (ch == endOfToken) { 1101 return sb.toString(); 1102 } 1103 sb.append((char)ch); 1104 } 1105 } 1106 1107 private AtomicFile getFile() { 1108 File dataDir = Environment.getDataDirectory(); 1109 File systemDir = new File(dataDir, "system"); 1110 File fname = new File(systemDir, "package-usage.list"); 1111 return new AtomicFile(fname); 1112 } 1113 } 1114 1115 class PackageHandler extends Handler { 1116 private boolean mBound = false; 1117 final ArrayList<HandlerParams> mPendingInstalls = 1118 new ArrayList<HandlerParams>(); 1119 1120 private boolean connectToService() { 1121 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1122 " DefaultContainerService"); 1123 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1124 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1125 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1126 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1127 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1128 mBound = true; 1129 return true; 1130 } 1131 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1132 return false; 1133 } 1134 1135 private void disconnectService() { 1136 mContainerService = null; 1137 mBound = false; 1138 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1139 mContext.unbindService(mDefContainerConn); 1140 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1141 } 1142 1143 PackageHandler(Looper looper) { 1144 super(looper); 1145 } 1146 1147 public void handleMessage(Message msg) { 1148 try { 1149 doHandleMessage(msg); 1150 } finally { 1151 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1152 } 1153 } 1154 1155 void doHandleMessage(Message msg) { 1156 switch (msg.what) { 1157 case INIT_COPY: { 1158 HandlerParams params = (HandlerParams) msg.obj; 1159 int idx = mPendingInstalls.size(); 1160 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1161 // If a bind was already initiated we dont really 1162 // need to do anything. The pending install 1163 // will be processed later on. 1164 if (!mBound) { 1165 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1166 System.identityHashCode(mHandler)); 1167 // If this is the only one pending we might 1168 // have to bind to the service again. 1169 if (!connectToService()) { 1170 Slog.e(TAG, "Failed to bind to media container service"); 1171 params.serviceError(); 1172 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1173 System.identityHashCode(mHandler)); 1174 if (params.traceMethod != null) { 1175 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1176 params.traceCookie); 1177 } 1178 return; 1179 } else { 1180 // Once we bind to the service, the first 1181 // pending request will be processed. 1182 mPendingInstalls.add(idx, params); 1183 } 1184 } else { 1185 mPendingInstalls.add(idx, params); 1186 // Already bound to the service. Just make 1187 // sure we trigger off processing the first request. 1188 if (idx == 0) { 1189 mHandler.sendEmptyMessage(MCS_BOUND); 1190 } 1191 } 1192 break; 1193 } 1194 case MCS_BOUND: { 1195 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1196 if (msg.obj != null) { 1197 mContainerService = (IMediaContainerService) msg.obj; 1198 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1199 System.identityHashCode(mHandler)); 1200 } 1201 if (mContainerService == null) { 1202 if (!mBound) { 1203 // Something seriously wrong since we are not bound and we are not 1204 // waiting for connection. Bail out. 1205 Slog.e(TAG, "Cannot bind to media container service"); 1206 for (HandlerParams params : mPendingInstalls) { 1207 // Indicate service bind error 1208 params.serviceError(); 1209 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1210 System.identityHashCode(params)); 1211 if (params.traceMethod != null) { 1212 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1213 params.traceMethod, params.traceCookie); 1214 } 1215 return; 1216 } 1217 mPendingInstalls.clear(); 1218 } else { 1219 Slog.w(TAG, "Waiting to connect to media container service"); 1220 } 1221 } else if (mPendingInstalls.size() > 0) { 1222 HandlerParams params = mPendingInstalls.get(0); 1223 if (params != null) { 1224 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1225 System.identityHashCode(params)); 1226 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1227 if (params.startCopy()) { 1228 // We are done... look for more work or to 1229 // go idle. 1230 if (DEBUG_SD_INSTALL) Log.i(TAG, 1231 "Checking for more work or unbind..."); 1232 // Delete pending install 1233 if (mPendingInstalls.size() > 0) { 1234 mPendingInstalls.remove(0); 1235 } 1236 if (mPendingInstalls.size() == 0) { 1237 if (mBound) { 1238 if (DEBUG_SD_INSTALL) Log.i(TAG, 1239 "Posting delayed MCS_UNBIND"); 1240 removeMessages(MCS_UNBIND); 1241 Message ubmsg = obtainMessage(MCS_UNBIND); 1242 // Unbind after a little delay, to avoid 1243 // continual thrashing. 1244 sendMessageDelayed(ubmsg, 10000); 1245 } 1246 } else { 1247 // There are more pending requests in queue. 1248 // Just post MCS_BOUND message to trigger processing 1249 // of next pending install. 1250 if (DEBUG_SD_INSTALL) Log.i(TAG, 1251 "Posting MCS_BOUND for next work"); 1252 mHandler.sendEmptyMessage(MCS_BOUND); 1253 } 1254 } 1255 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1256 } 1257 } else { 1258 // Should never happen ideally. 1259 Slog.w(TAG, "Empty queue"); 1260 } 1261 break; 1262 } 1263 case MCS_RECONNECT: { 1264 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1265 if (mPendingInstalls.size() > 0) { 1266 if (mBound) { 1267 disconnectService(); 1268 } 1269 if (!connectToService()) { 1270 Slog.e(TAG, "Failed to bind to media container service"); 1271 for (HandlerParams params : mPendingInstalls) { 1272 // Indicate service bind error 1273 params.serviceError(); 1274 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1275 System.identityHashCode(params)); 1276 } 1277 mPendingInstalls.clear(); 1278 } 1279 } 1280 break; 1281 } 1282 case MCS_UNBIND: { 1283 // If there is no actual work left, then time to unbind. 1284 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1285 1286 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1287 if (mBound) { 1288 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1289 1290 disconnectService(); 1291 } 1292 } else if (mPendingInstalls.size() > 0) { 1293 // There are more pending requests in queue. 1294 // Just post MCS_BOUND message to trigger processing 1295 // of next pending install. 1296 mHandler.sendEmptyMessage(MCS_BOUND); 1297 } 1298 1299 break; 1300 } 1301 case MCS_GIVE_UP: { 1302 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1303 HandlerParams params = mPendingInstalls.remove(0); 1304 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1305 System.identityHashCode(params)); 1306 break; 1307 } 1308 case SEND_PENDING_BROADCAST: { 1309 String packages[]; 1310 ArrayList<String> components[]; 1311 int size = 0; 1312 int uids[]; 1313 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1314 synchronized (mPackages) { 1315 if (mPendingBroadcasts == null) { 1316 return; 1317 } 1318 size = mPendingBroadcasts.size(); 1319 if (size <= 0) { 1320 // Nothing to be done. Just return 1321 return; 1322 } 1323 packages = new String[size]; 1324 components = new ArrayList[size]; 1325 uids = new int[size]; 1326 int i = 0; // filling out the above arrays 1327 1328 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1329 int packageUserId = mPendingBroadcasts.userIdAt(n); 1330 Iterator<Map.Entry<String, ArrayList<String>>> it 1331 = mPendingBroadcasts.packagesForUserId(packageUserId) 1332 .entrySet().iterator(); 1333 while (it.hasNext() && i < size) { 1334 Map.Entry<String, ArrayList<String>> ent = it.next(); 1335 packages[i] = ent.getKey(); 1336 components[i] = ent.getValue(); 1337 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1338 uids[i] = (ps != null) 1339 ? UserHandle.getUid(packageUserId, ps.appId) 1340 : -1; 1341 i++; 1342 } 1343 } 1344 size = i; 1345 mPendingBroadcasts.clear(); 1346 } 1347 // Send broadcasts 1348 for (int i = 0; i < size; i++) { 1349 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1350 } 1351 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1352 break; 1353 } 1354 case START_CLEANING_PACKAGE: { 1355 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1356 final String packageName = (String)msg.obj; 1357 final int userId = msg.arg1; 1358 final boolean andCode = msg.arg2 != 0; 1359 synchronized (mPackages) { 1360 if (userId == UserHandle.USER_ALL) { 1361 int[] users = sUserManager.getUserIds(); 1362 for (int user : users) { 1363 mSettings.addPackageToCleanLPw( 1364 new PackageCleanItem(user, packageName, andCode)); 1365 } 1366 } else { 1367 mSettings.addPackageToCleanLPw( 1368 new PackageCleanItem(userId, packageName, andCode)); 1369 } 1370 } 1371 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1372 startCleaningPackages(); 1373 } break; 1374 case POST_INSTALL: { 1375 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1376 1377 PostInstallData data = mRunningInstalls.get(msg.arg1); 1378 mRunningInstalls.delete(msg.arg1); 1379 boolean deleteOld = false; 1380 1381 if (data != null) { 1382 InstallArgs args = data.args; 1383 PackageInstalledInfo res = data.res; 1384 1385 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1386 final String packageName = res.pkg.applicationInfo.packageName; 1387 res.removedInfo.sendBroadcast(false, true, false); 1388 Bundle extras = new Bundle(1); 1389 extras.putInt(Intent.EXTRA_UID, res.uid); 1390 1391 // Now that we successfully installed the package, grant runtime 1392 // permissions if requested before broadcasting the install. 1393 if ((args.installFlags 1394 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 1395 && res.pkg.applicationInfo.targetSdkVersion 1396 >= Build.VERSION_CODES.M) { 1397 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1398 args.installGrantPermissions); 1399 } 1400 1401 synchronized (mPackages) { 1402 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1403 } 1404 1405 // Determine the set of users who are adding this 1406 // package for the first time vs. those who are seeing 1407 // an update. 1408 int[] firstUsers; 1409 int[] updateUsers = new int[0]; 1410 if (res.origUsers == null || res.origUsers.length == 0) { 1411 firstUsers = res.newUsers; 1412 } else { 1413 firstUsers = new int[0]; 1414 for (int i=0; i<res.newUsers.length; i++) { 1415 int user = res.newUsers[i]; 1416 boolean isNew = true; 1417 for (int j=0; j<res.origUsers.length; j++) { 1418 if (res.origUsers[j] == user) { 1419 isNew = false; 1420 break; 1421 } 1422 } 1423 if (isNew) { 1424 int[] newFirst = new int[firstUsers.length+1]; 1425 System.arraycopy(firstUsers, 0, newFirst, 0, 1426 firstUsers.length); 1427 newFirst[firstUsers.length] = user; 1428 firstUsers = newFirst; 1429 } else { 1430 int[] newUpdate = new int[updateUsers.length+1]; 1431 System.arraycopy(updateUsers, 0, newUpdate, 0, 1432 updateUsers.length); 1433 newUpdate[updateUsers.length] = user; 1434 updateUsers = newUpdate; 1435 } 1436 } 1437 } 1438 // don't broadcast for ephemeral installs/updates 1439 final boolean isEphemeral = isEphemeral(res.pkg); 1440 if (!isEphemeral) { 1441 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1442 extras, 0 /*flags*/, null /*targetPackage*/, 1443 null /*finishedReceiver*/, firstUsers); 1444 } 1445 final boolean update = res.removedInfo.removedPackage != null; 1446 if (update) { 1447 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1448 } 1449 if (!isEphemeral) { 1450 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1451 extras, 0 /*flags*/, null /*targetPackage*/, 1452 null /*finishedReceiver*/, updateUsers); 1453 } 1454 if (update) { 1455 if (!isEphemeral) { 1456 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1457 packageName, extras, 0 /*flags*/, 1458 null /*targetPackage*/, null /*finishedReceiver*/, 1459 updateUsers); 1460 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1461 null /*package*/, null /*extras*/, 0 /*flags*/, 1462 packageName /*targetPackage*/, 1463 null /*finishedReceiver*/, updateUsers); 1464 } 1465 1466 // treat asec-hosted packages like removable media on upgrade 1467 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1468 if (DEBUG_INSTALL) { 1469 Slog.i(TAG, "upgrading pkg " + res.pkg 1470 + " is ASEC-hosted -> AVAILABLE"); 1471 } 1472 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1473 ArrayList<String> pkgList = new ArrayList<String>(1); 1474 pkgList.add(packageName); 1475 sendResourcesChangedBroadcast(true, true, 1476 pkgList,uidArray, null); 1477 } 1478 } 1479 if (res.removedInfo.args != null) { 1480 // Remove the replaced package's older resources safely now 1481 deleteOld = true; 1482 } 1483 1484 // If this app is a browser and it's newly-installed for some 1485 // users, clear any default-browser state in those users 1486 if (firstUsers.length > 0) { 1487 // the app's nature doesn't depend on the user, so we can just 1488 // check its browser nature in any user and generalize. 1489 if (packageIsBrowser(packageName, firstUsers[0])) { 1490 synchronized (mPackages) { 1491 for (int userId : firstUsers) { 1492 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1493 } 1494 } 1495 } 1496 } 1497 // Log current value of "unknown sources" setting 1498 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1499 getUnknownSourcesSettings()); 1500 } 1501 // Force a gc to clear up things 1502 Runtime.getRuntime().gc(); 1503 // We delete after a gc for applications on sdcard. 1504 if (deleteOld) { 1505 synchronized (mInstallLock) { 1506 res.removedInfo.args.doPostDeleteLI(true); 1507 } 1508 } 1509 if (args.observer != null) { 1510 try { 1511 Bundle extras = extrasForInstallResult(res); 1512 args.observer.onPackageInstalled(res.name, res.returnCode, 1513 res.returnMsg, extras); 1514 } catch (RemoteException e) { 1515 Slog.i(TAG, "Observer no longer exists."); 1516 } 1517 } 1518 if (args.traceMethod != null) { 1519 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1520 args.traceCookie); 1521 } 1522 return; 1523 } else { 1524 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1525 } 1526 1527 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1528 } break; 1529 case UPDATED_MEDIA_STATUS: { 1530 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1531 boolean reportStatus = msg.arg1 == 1; 1532 boolean doGc = msg.arg2 == 1; 1533 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1534 if (doGc) { 1535 // Force a gc to clear up stale containers. 1536 Runtime.getRuntime().gc(); 1537 } 1538 if (msg.obj != null) { 1539 @SuppressWarnings("unchecked") 1540 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1541 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1542 // Unload containers 1543 unloadAllContainers(args); 1544 } 1545 if (reportStatus) { 1546 try { 1547 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1548 PackageHelper.getMountService().finishMediaUpdate(); 1549 } catch (RemoteException e) { 1550 Log.e(TAG, "MountService not running?"); 1551 } 1552 } 1553 } break; 1554 case WRITE_SETTINGS: { 1555 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1556 synchronized (mPackages) { 1557 removeMessages(WRITE_SETTINGS); 1558 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1559 mSettings.writeLPr(); 1560 mDirtyUsers.clear(); 1561 } 1562 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1563 } break; 1564 case WRITE_PACKAGE_RESTRICTIONS: { 1565 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1566 synchronized (mPackages) { 1567 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1568 for (int userId : mDirtyUsers) { 1569 mSettings.writePackageRestrictionsLPr(userId); 1570 } 1571 mDirtyUsers.clear(); 1572 } 1573 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1574 } break; 1575 case CHECK_PENDING_VERIFICATION: { 1576 final int verificationId = msg.arg1; 1577 final PackageVerificationState state = mPendingVerification.get(verificationId); 1578 1579 if ((state != null) && !state.timeoutExtended()) { 1580 final InstallArgs args = state.getInstallArgs(); 1581 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1582 1583 Slog.i(TAG, "Verification timed out for " + originUri); 1584 mPendingVerification.remove(verificationId); 1585 1586 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1587 1588 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1589 Slog.i(TAG, "Continuing with installation of " + originUri); 1590 state.setVerifierResponse(Binder.getCallingUid(), 1591 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1592 broadcastPackageVerified(verificationId, originUri, 1593 PackageManager.VERIFICATION_ALLOW, 1594 state.getInstallArgs().getUser()); 1595 try { 1596 ret = args.copyApk(mContainerService, true); 1597 } catch (RemoteException e) { 1598 Slog.e(TAG, "Could not contact the ContainerService"); 1599 } 1600 } else { 1601 broadcastPackageVerified(verificationId, originUri, 1602 PackageManager.VERIFICATION_REJECT, 1603 state.getInstallArgs().getUser()); 1604 } 1605 1606 Trace.asyncTraceEnd( 1607 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1608 1609 processPendingInstall(args, ret); 1610 mHandler.sendEmptyMessage(MCS_UNBIND); 1611 } 1612 break; 1613 } 1614 case PACKAGE_VERIFIED: { 1615 final int verificationId = msg.arg1; 1616 1617 final PackageVerificationState state = mPendingVerification.get(verificationId); 1618 if (state == null) { 1619 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1620 break; 1621 } 1622 1623 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1624 1625 state.setVerifierResponse(response.callerUid, response.code); 1626 1627 if (state.isVerificationComplete()) { 1628 mPendingVerification.remove(verificationId); 1629 1630 final InstallArgs args = state.getInstallArgs(); 1631 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1632 1633 int ret; 1634 if (state.isInstallAllowed()) { 1635 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1636 broadcastPackageVerified(verificationId, originUri, 1637 response.code, state.getInstallArgs().getUser()); 1638 try { 1639 ret = args.copyApk(mContainerService, true); 1640 } catch (RemoteException e) { 1641 Slog.e(TAG, "Could not contact the ContainerService"); 1642 } 1643 } else { 1644 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1645 } 1646 1647 Trace.asyncTraceEnd( 1648 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1649 1650 processPendingInstall(args, ret); 1651 mHandler.sendEmptyMessage(MCS_UNBIND); 1652 } 1653 1654 break; 1655 } 1656 case START_INTENT_FILTER_VERIFICATIONS: { 1657 IFVerificationParams params = (IFVerificationParams) msg.obj; 1658 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1659 params.replacing, params.pkg); 1660 break; 1661 } 1662 case INTENT_FILTER_VERIFIED: { 1663 final int verificationId = msg.arg1; 1664 1665 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1666 verificationId); 1667 if (state == null) { 1668 Slog.w(TAG, "Invalid IntentFilter verification token " 1669 + verificationId + " received"); 1670 break; 1671 } 1672 1673 final int userId = state.getUserId(); 1674 1675 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1676 "Processing IntentFilter verification with token:" 1677 + verificationId + " and userId:" + userId); 1678 1679 final IntentFilterVerificationResponse response = 1680 (IntentFilterVerificationResponse) msg.obj; 1681 1682 state.setVerifierResponse(response.callerUid, response.code); 1683 1684 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1685 "IntentFilter verification with token:" + verificationId 1686 + " and userId:" + userId 1687 + " is settings verifier response with response code:" 1688 + response.code); 1689 1690 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1691 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1692 + response.getFailedDomainsString()); 1693 } 1694 1695 if (state.isVerificationComplete()) { 1696 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1697 } else { 1698 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1699 "IntentFilter verification with token:" + verificationId 1700 + " was not said to be complete"); 1701 } 1702 1703 break; 1704 } 1705 } 1706 } 1707 } 1708 1709 private StorageEventListener mStorageListener = new StorageEventListener() { 1710 @Override 1711 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1712 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1713 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1714 final String volumeUuid = vol.getFsUuid(); 1715 1716 // Clean up any users or apps that were removed or recreated 1717 // while this volume was missing 1718 reconcileUsers(volumeUuid); 1719 reconcileApps(volumeUuid); 1720 1721 // Clean up any install sessions that expired or were 1722 // cancelled while this volume was missing 1723 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1724 1725 loadPrivatePackages(vol); 1726 1727 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1728 unloadPrivatePackages(vol); 1729 } 1730 } 1731 1732 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1733 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1734 updateExternalMediaStatus(true, false); 1735 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1736 updateExternalMediaStatus(false, false); 1737 } 1738 } 1739 } 1740 1741 @Override 1742 public void onVolumeForgotten(String fsUuid) { 1743 if (TextUtils.isEmpty(fsUuid)) { 1744 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1745 return; 1746 } 1747 1748 // Remove any apps installed on the forgotten volume 1749 synchronized (mPackages) { 1750 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1751 for (PackageSetting ps : packages) { 1752 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1753 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1754 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1755 } 1756 1757 mSettings.onVolumeForgotten(fsUuid); 1758 mSettings.writeLPr(); 1759 } 1760 } 1761 }; 1762 1763 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1764 String[] grantedPermissions) { 1765 if (userId >= UserHandle.USER_SYSTEM) { 1766 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1767 } else if (userId == UserHandle.USER_ALL) { 1768 final int[] userIds; 1769 synchronized (mPackages) { 1770 userIds = UserManagerService.getInstance().getUserIds(); 1771 } 1772 for (int someUserId : userIds) { 1773 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1774 } 1775 } 1776 1777 // We could have touched GID membership, so flush out packages.list 1778 synchronized (mPackages) { 1779 mSettings.writePackageListLPr(); 1780 } 1781 } 1782 1783 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1784 String[] grantedPermissions) { 1785 SettingBase sb = (SettingBase) pkg.mExtras; 1786 if (sb == null) { 1787 return; 1788 } 1789 1790 PermissionsState permissionsState = sb.getPermissionsState(); 1791 1792 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1793 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1794 1795 synchronized (mPackages) { 1796 for (String permission : pkg.requestedPermissions) { 1797 BasePermission bp = mSettings.mPermissions.get(permission); 1798 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1799 && (grantedPermissions == null 1800 || ArrayUtils.contains(grantedPermissions, permission))) { 1801 final int flags = permissionsState.getPermissionFlags(permission, userId); 1802 // Installer cannot change immutable permissions. 1803 if ((flags & immutableFlags) == 0) { 1804 grantRuntimePermission(pkg.packageName, permission, userId); 1805 } 1806 } 1807 } 1808 } 1809 } 1810 1811 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1812 Bundle extras = null; 1813 switch (res.returnCode) { 1814 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1815 extras = new Bundle(); 1816 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1817 res.origPermission); 1818 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1819 res.origPackage); 1820 break; 1821 } 1822 case PackageManager.INSTALL_SUCCEEDED: { 1823 extras = new Bundle(); 1824 extras.putBoolean(Intent.EXTRA_REPLACING, 1825 res.removedInfo != null && res.removedInfo.removedPackage != null); 1826 break; 1827 } 1828 } 1829 return extras; 1830 } 1831 1832 void scheduleWriteSettingsLocked() { 1833 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1834 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1835 } 1836 } 1837 1838 void scheduleWritePackageRestrictionsLocked(int userId) { 1839 if (!sUserManager.exists(userId)) return; 1840 mDirtyUsers.add(userId); 1841 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1842 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1843 } 1844 } 1845 1846 public static PackageManagerService main(Context context, Installer installer, 1847 boolean factoryTest, boolean onlyCore) { 1848 PackageManagerService m = new PackageManagerService(context, installer, 1849 factoryTest, onlyCore); 1850 m.enableSystemUserPackages(); 1851 ServiceManager.addService("package", m); 1852 return m; 1853 } 1854 1855 private void enableSystemUserPackages() { 1856 if (!UserManager.isSplitSystemUser()) { 1857 return; 1858 } 1859 // For system user, enable apps based on the following conditions: 1860 // - app is whitelisted or belong to one of these groups: 1861 // -- system app which has no launcher icons 1862 // -- system app which has INTERACT_ACROSS_USERS permission 1863 // -- system IME app 1864 // - app is not in the blacklist 1865 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1866 Set<String> enableApps = new ArraySet<>(); 1867 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1868 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1869 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1870 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1871 enableApps.addAll(wlApps); 1872 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1873 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1874 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1875 enableApps.removeAll(blApps); 1876 Log.i(TAG, "Applications installed for system user: " + enableApps); 1877 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1878 UserHandle.SYSTEM); 1879 final int allAppsSize = allAps.size(); 1880 synchronized (mPackages) { 1881 for (int i = 0; i < allAppsSize; i++) { 1882 String pName = allAps.get(i); 1883 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1884 // Should not happen, but we shouldn't be failing if it does 1885 if (pkgSetting == null) { 1886 continue; 1887 } 1888 boolean install = enableApps.contains(pName); 1889 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 1890 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 1891 + " for system user"); 1892 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 1893 } 1894 } 1895 } 1896 } 1897 1898 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1899 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1900 Context.DISPLAY_SERVICE); 1901 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1902 } 1903 1904 public PackageManagerService(Context context, Installer installer, 1905 boolean factoryTest, boolean onlyCore) { 1906 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1907 SystemClock.uptimeMillis()); 1908 1909 if (mSdkVersion <= 0) { 1910 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1911 } 1912 1913 mContext = context; 1914 mFactoryTest = factoryTest; 1915 mOnlyCore = onlyCore; 1916 mMetrics = new DisplayMetrics(); 1917 mSettings = new Settings(mPackages); 1918 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1919 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1920 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1921 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1922 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1923 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1924 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1925 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1926 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1927 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1928 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1929 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1930 1931 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1932 if (separateProcesses != null && separateProcesses.length() > 0) { 1933 if ("*".equals(separateProcesses)) { 1934 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1935 mSeparateProcesses = null; 1936 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1937 } else { 1938 mDefParseFlags = 0; 1939 mSeparateProcesses = separateProcesses.split(","); 1940 Slog.w(TAG, "Running with debug.separate_processes: " 1941 + separateProcesses); 1942 } 1943 } else { 1944 mDefParseFlags = 0; 1945 mSeparateProcesses = null; 1946 } 1947 1948 mInstaller = installer; 1949 mPackageDexOptimizer = new PackageDexOptimizer(this); 1950 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1951 1952 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1953 FgThread.get().getLooper()); 1954 1955 getDefaultDisplayMetrics(context, mMetrics); 1956 1957 SystemConfig systemConfig = SystemConfig.getInstance(); 1958 mGlobalGids = systemConfig.getGlobalGids(); 1959 mSystemPermissions = systemConfig.getSystemPermissions(); 1960 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1961 1962 synchronized (mInstallLock) { 1963 // writer 1964 synchronized (mPackages) { 1965 mHandlerThread = new ServiceThread(TAG, 1966 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1967 mHandlerThread.start(); 1968 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1969 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1970 1971 File dataDir = Environment.getDataDirectory(); 1972 mAppInstallDir = new File(dataDir, "app"); 1973 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1974 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 1975 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1976 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1977 1978 sUserManager = new UserManagerService(context, this, mPackages); 1979 1980 // Propagate permission configuration in to package manager. 1981 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1982 = systemConfig.getPermissions(); 1983 for (int i=0; i<permConfig.size(); i++) { 1984 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1985 BasePermission bp = mSettings.mPermissions.get(perm.name); 1986 if (bp == null) { 1987 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1988 mSettings.mPermissions.put(perm.name, bp); 1989 } 1990 if (perm.gids != null) { 1991 bp.setGids(perm.gids, perm.perUser); 1992 } 1993 } 1994 1995 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1996 for (int i=0; i<libConfig.size(); i++) { 1997 mSharedLibraries.put(libConfig.keyAt(i), 1998 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1999 } 2000 2001 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2002 2003 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2004 2005 String customResolverActivity = Resources.getSystem().getString( 2006 R.string.config_customResolverActivity); 2007 if (TextUtils.isEmpty(customResolverActivity)) { 2008 customResolverActivity = null; 2009 } else { 2010 mCustomResolverComponentName = ComponentName.unflattenFromString( 2011 customResolverActivity); 2012 } 2013 2014 long startTime = SystemClock.uptimeMillis(); 2015 2016 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2017 startTime); 2018 2019 // Set flag to monitor and not change apk file paths when 2020 // scanning install directories. 2021 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2022 2023 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2024 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2025 2026 if (bootClassPath == null) { 2027 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2028 } 2029 2030 if (systemServerClassPath == null) { 2031 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2032 } 2033 2034 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2035 final String[] dexCodeInstructionSets = 2036 getDexCodeInstructionSets( 2037 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2038 2039 /** 2040 * Ensure all external libraries have had dexopt run on them. 2041 */ 2042 if (mSharedLibraries.size() > 0) { 2043 // NOTE: For now, we're compiling these system "shared libraries" 2044 // (and framework jars) into all available architectures. It's possible 2045 // to compile them only when we come across an app that uses them (there's 2046 // already logic for that in scanPackageLI) but that adds some complexity. 2047 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2048 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2049 final String lib = libEntry.path; 2050 if (lib == null) { 2051 continue; 2052 } 2053 2054 try { 2055 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2056 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2057 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2058 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/); 2059 } 2060 } catch (FileNotFoundException e) { 2061 Slog.w(TAG, "Library not found: " + lib); 2062 } catch (IOException e) { 2063 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2064 + e.getMessage()); 2065 } 2066 } 2067 } 2068 } 2069 2070 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2071 2072 final VersionInfo ver = mSettings.getInternalVersion(); 2073 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2074 // when upgrading from pre-M, promote system app permissions from install to runtime 2075 mPromoteSystemApps = 2076 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2077 2078 // save off the names of pre-existing system packages prior to scanning; we don't 2079 // want to automatically grant runtime permissions for new system apps 2080 if (mPromoteSystemApps) { 2081 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2082 while (pkgSettingIter.hasNext()) { 2083 PackageSetting ps = pkgSettingIter.next(); 2084 if (isSystemApp(ps)) { 2085 mExistingSystemPackages.add(ps.name); 2086 } 2087 } 2088 } 2089 2090 // Collect vendor overlay packages. 2091 // (Do this before scanning any apps.) 2092 // For security and version matching reason, only consider 2093 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2094 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2095 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2096 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2097 2098 // Find base frameworks (resource packages without code). 2099 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2100 | PackageParser.PARSE_IS_SYSTEM_DIR 2101 | PackageParser.PARSE_IS_PRIVILEGED, 2102 scanFlags | SCAN_NO_DEX, 0); 2103 2104 // Collected privileged system packages. 2105 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2106 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2107 | PackageParser.PARSE_IS_SYSTEM_DIR 2108 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2109 2110 // Collect ordinary system packages. 2111 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2112 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2113 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2114 2115 // Collect all vendor packages. 2116 File vendorAppDir = new File("/vendor/app"); 2117 try { 2118 vendorAppDir = vendorAppDir.getCanonicalFile(); 2119 } catch (IOException e) { 2120 // failed to look up canonical path, continue with original one 2121 } 2122 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2123 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2124 2125 // Collect all OEM packages. 2126 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2127 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2128 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2129 2130 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2131 mInstaller.moveFiles(); 2132 2133 // Prune any system packages that no longer exist. 2134 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2135 if (!mOnlyCore) { 2136 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2137 while (psit.hasNext()) { 2138 PackageSetting ps = psit.next(); 2139 2140 /* 2141 * If this is not a system app, it can't be a 2142 * disable system app. 2143 */ 2144 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2145 continue; 2146 } 2147 2148 /* 2149 * If the package is scanned, it's not erased. 2150 */ 2151 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2152 if (scannedPkg != null) { 2153 /* 2154 * If the system app is both scanned and in the 2155 * disabled packages list, then it must have been 2156 * added via OTA. Remove it from the currently 2157 * scanned package so the previously user-installed 2158 * application can be scanned. 2159 */ 2160 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2161 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2162 + ps.name + "; removing system app. Last known codePath=" 2163 + ps.codePathString + ", installStatus=" + ps.installStatus 2164 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2165 + scannedPkg.mVersionCode); 2166 removePackageLI(ps, true); 2167 mExpectingBetter.put(ps.name, ps.codePath); 2168 } 2169 2170 continue; 2171 } 2172 2173 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2174 psit.remove(); 2175 logCriticalInfo(Log.WARN, "System package " + ps.name 2176 + " no longer exists; wiping its data"); 2177 removeDataDirsLI(null, ps.name); 2178 } else { 2179 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2180 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2181 possiblyDeletedUpdatedSystemApps.add(ps.name); 2182 } 2183 } 2184 } 2185 } 2186 2187 //look for any incomplete package installations 2188 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2189 //clean up list 2190 for(int i = 0; i < deletePkgsList.size(); i++) { 2191 //clean up here 2192 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2193 } 2194 //delete tmp files 2195 deleteTempPackageFiles(); 2196 2197 // Remove any shared userIDs that have no associated packages 2198 mSettings.pruneSharedUsersLPw(); 2199 2200 if (!mOnlyCore) { 2201 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2202 SystemClock.uptimeMillis()); 2203 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2204 2205 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2206 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2207 2208 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2209 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2210 2211 /** 2212 * Remove disable package settings for any updated system 2213 * apps that were removed via an OTA. If they're not a 2214 * previously-updated app, remove them completely. 2215 * Otherwise, just revoke their system-level permissions. 2216 */ 2217 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2218 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2219 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2220 2221 String msg; 2222 if (deletedPkg == null) { 2223 msg = "Updated system package " + deletedAppName 2224 + " no longer exists; wiping its data"; 2225 removeDataDirsLI(null, deletedAppName); 2226 } else { 2227 msg = "Updated system app + " + deletedAppName 2228 + " no longer present; removing system privileges for " 2229 + deletedAppName; 2230 2231 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2232 2233 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2234 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2235 } 2236 logCriticalInfo(Log.WARN, msg); 2237 } 2238 2239 /** 2240 * Make sure all system apps that we expected to appear on 2241 * the userdata partition actually showed up. If they never 2242 * appeared, crawl back and revive the system version. 2243 */ 2244 for (int i = 0; i < mExpectingBetter.size(); i++) { 2245 final String packageName = mExpectingBetter.keyAt(i); 2246 if (!mPackages.containsKey(packageName)) { 2247 final File scanFile = mExpectingBetter.valueAt(i); 2248 2249 logCriticalInfo(Log.WARN, "Expected better " + packageName 2250 + " but never showed up; reverting to system"); 2251 2252 final int reparseFlags; 2253 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2254 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2255 | PackageParser.PARSE_IS_SYSTEM_DIR 2256 | PackageParser.PARSE_IS_PRIVILEGED; 2257 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2258 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2259 | PackageParser.PARSE_IS_SYSTEM_DIR; 2260 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2261 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2262 | PackageParser.PARSE_IS_SYSTEM_DIR; 2263 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2264 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2265 | PackageParser.PARSE_IS_SYSTEM_DIR; 2266 } else { 2267 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2268 continue; 2269 } 2270 2271 mSettings.enableSystemPackageLPw(packageName); 2272 2273 try { 2274 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2275 } catch (PackageManagerException e) { 2276 Slog.e(TAG, "Failed to parse original system package: " 2277 + e.getMessage()); 2278 } 2279 } 2280 } 2281 } 2282 mExpectingBetter.clear(); 2283 2284 // Now that we know all of the shared libraries, update all clients to have 2285 // the correct library paths. 2286 updateAllSharedLibrariesLPw(); 2287 2288 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2289 // NOTE: We ignore potential failures here during a system scan (like 2290 // the rest of the commands above) because there's precious little we 2291 // can do about it. A settings error is reported, though. 2292 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2293 false /* boot complete */); 2294 } 2295 2296 // Now that we know all the packages we are keeping, 2297 // read and update their last usage times. 2298 mPackageUsage.readLP(); 2299 2300 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2301 SystemClock.uptimeMillis()); 2302 Slog.i(TAG, "Time to scan packages: " 2303 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2304 + " seconds"); 2305 2306 // If the platform SDK has changed since the last time we booted, 2307 // we need to re-grant app permission to catch any new ones that 2308 // appear. This is really a hack, and means that apps can in some 2309 // cases get permissions that the user didn't initially explicitly 2310 // allow... it would be nice to have some better way to handle 2311 // this situation. 2312 int updateFlags = UPDATE_PERMISSIONS_ALL; 2313 if (ver.sdkVersion != mSdkVersion) { 2314 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2315 + mSdkVersion + "; regranting permissions for internal storage"); 2316 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2317 } 2318 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2319 ver.sdkVersion = mSdkVersion; 2320 2321 // If this is the first boot or an update from pre-M, and it is a normal 2322 // boot, then we need to initialize the default preferred apps across 2323 // all defined users. 2324 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2325 for (UserInfo user : sUserManager.getUsers(true)) { 2326 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2327 applyFactoryDefaultBrowserLPw(user.id); 2328 primeDomainVerificationsLPw(user.id); 2329 } 2330 } 2331 2332 // If this is first boot after an OTA, and a normal boot, then 2333 // we need to clear code cache directories. 2334 if (mIsUpgrade && !onlyCore) { 2335 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2336 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2337 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2338 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2339 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2340 } 2341 } 2342 ver.fingerprint = Build.FINGERPRINT; 2343 } 2344 2345 checkDefaultBrowser(); 2346 2347 // clear only after permissions and other defaults have been updated 2348 mExistingSystemPackages.clear(); 2349 mPromoteSystemApps = false; 2350 2351 // All the changes are done during package scanning. 2352 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2353 2354 // can downgrade to reader 2355 mSettings.writeLPr(); 2356 2357 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2358 SystemClock.uptimeMillis()); 2359 2360 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2361 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2362 2363 mInstallerService = new PackageInstallerService(context, this); 2364 2365 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2366 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2367 mIntentFilterVerifierComponent); 2368 2369 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2370 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2371 // both the installer and resolver must be present to enable ephemeral 2372 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2373 if (DEBUG_EPHEMERAL) { 2374 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2375 + " installer:" + ephemeralInstallerComponent); 2376 } 2377 mEphemeralResolverComponent = ephemeralResolverComponent; 2378 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2379 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2380 mEphemeralResolverConnection = 2381 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2382 } else { 2383 if (DEBUG_EPHEMERAL) { 2384 final String missingComponent = 2385 (ephemeralResolverComponent == null) 2386 ? (ephemeralInstallerComponent == null) 2387 ? "resolver and installer" 2388 : "resolver" 2389 : "installer"; 2390 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2391 } 2392 mEphemeralResolverComponent = null; 2393 mEphemeralInstallerComponent = null; 2394 mEphemeralResolverConnection = null; 2395 } 2396 2397 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2398 } // synchronized (mPackages) 2399 } // synchronized (mInstallLock) 2400 2401 // Now after opening every single application zip, make sure they 2402 // are all flushed. Not really needed, but keeps things nice and 2403 // tidy. 2404 Runtime.getRuntime().gc(); 2405 2406 // The initial scanning above does many calls into installd while 2407 // holding the mPackages lock, but we're mostly interested in yelling 2408 // once we have a booted system. 2409 mInstaller.setWarnIfHeld(mPackages); 2410 2411 // Expose private service for system components to use. 2412 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2413 } 2414 2415 @Override 2416 public boolean isFirstBoot() { 2417 return !mRestoredSettings; 2418 } 2419 2420 @Override 2421 public boolean isOnlyCoreApps() { 2422 return mOnlyCore; 2423 } 2424 2425 @Override 2426 public boolean isUpgrade() { 2427 return mIsUpgrade; 2428 } 2429 2430 private String getRequiredVerifierLPr() { 2431 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2432 // We only care about verifier that's installed under system user. 2433 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2434 PackageManager.GET_DISABLED_COMPONENTS, UserHandle.USER_SYSTEM); 2435 2436 String requiredVerifier = null; 2437 2438 final int N = receivers.size(); 2439 for (int i = 0; i < N; i++) { 2440 final ResolveInfo info = receivers.get(i); 2441 2442 if (info.activityInfo == null) { 2443 continue; 2444 } 2445 2446 final String packageName = info.activityInfo.packageName; 2447 2448 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2449 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2450 continue; 2451 } 2452 2453 if (requiredVerifier != null) { 2454 throw new RuntimeException("There can be only one required verifier"); 2455 } 2456 2457 requiredVerifier = packageName; 2458 } 2459 2460 return requiredVerifier; 2461 } 2462 2463 private String getRequiredInstallerLPr() { 2464 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2465 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2466 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2467 2468 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2469 PACKAGE_MIME_TYPE, 0, UserHandle.USER_SYSTEM); 2470 2471 String requiredInstaller = null; 2472 2473 final int N = installers.size(); 2474 for (int i = 0; i < N; i++) { 2475 final ResolveInfo info = installers.get(i); 2476 final String packageName = info.activityInfo.packageName; 2477 2478 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2479 continue; 2480 } 2481 2482 if (requiredInstaller != null) { 2483 throw new RuntimeException("There must be one required installer"); 2484 } 2485 2486 requiredInstaller = packageName; 2487 } 2488 2489 if (requiredInstaller == null) { 2490 throw new RuntimeException("There must be one required installer"); 2491 } 2492 2493 return requiredInstaller; 2494 } 2495 2496 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2497 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2498 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2499 PackageManager.GET_DISABLED_COMPONENTS, UserHandle.USER_SYSTEM); 2500 2501 ComponentName verifierComponentName = null; 2502 2503 int priority = -1000; 2504 final int N = receivers.size(); 2505 for (int i = 0; i < N; i++) { 2506 final ResolveInfo info = receivers.get(i); 2507 2508 if (info.activityInfo == null) { 2509 continue; 2510 } 2511 2512 final String packageName = info.activityInfo.packageName; 2513 2514 final PackageSetting ps = mSettings.mPackages.get(packageName); 2515 if (ps == null) { 2516 continue; 2517 } 2518 2519 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2520 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2521 continue; 2522 } 2523 2524 // Select the IntentFilterVerifier with the highest priority 2525 if (priority < info.priority) { 2526 priority = info.priority; 2527 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2528 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: " 2529 + verifierComponentName + " with priority: " + info.priority); 2530 } 2531 } 2532 2533 return verifierComponentName; 2534 } 2535 2536 private ComponentName getEphemeralResolverLPr() { 2537 final String[] packageArray = 2538 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2539 if (packageArray.length == 0) { 2540 if (DEBUG_EPHEMERAL) { 2541 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2542 } 2543 return null; 2544 } 2545 2546 Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2547 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, 2548 null /*resolvedType*/, 0 /*flags*/, UserHandle.USER_SYSTEM); 2549 2550 final int N = resolvers.size(); 2551 if (N == 0) { 2552 if (DEBUG_EPHEMERAL) { 2553 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2554 } 2555 return null; 2556 } 2557 2558 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2559 for (int i = 0; i < N; i++) { 2560 final ResolveInfo info = resolvers.get(i); 2561 2562 if (info.serviceInfo == null) { 2563 continue; 2564 } 2565 2566 final String packageName = info.serviceInfo.packageName; 2567 if (!possiblePackages.contains(packageName)) { 2568 if (DEBUG_EPHEMERAL) { 2569 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2570 + " pkg: " + packageName + ", info:" + info); 2571 } 2572 continue; 2573 } 2574 2575 if (DEBUG_EPHEMERAL) { 2576 Slog.v(TAG, "Ephemeral resolver found;" 2577 + " pkg: " + packageName + ", info:" + info); 2578 } 2579 return new ComponentName(packageName, info.serviceInfo.name); 2580 } 2581 if (DEBUG_EPHEMERAL) { 2582 Slog.v(TAG, "Ephemeral resolver NOT found"); 2583 } 2584 return null; 2585 } 2586 2587 private ComponentName getEphemeralInstallerLPr() { 2588 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2589 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2590 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2591 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2592 PACKAGE_MIME_TYPE, 0 /*flags*/, 0 /*userId*/); 2593 2594 ComponentName ephemeralInstaller = null; 2595 2596 final int N = installers.size(); 2597 for (int i = 0; i < N; i++) { 2598 final ResolveInfo info = installers.get(i); 2599 final String packageName = info.activityInfo.packageName; 2600 2601 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2602 if (DEBUG_EPHEMERAL) { 2603 Slog.d(TAG, "Ephemeral installer is not system app;" 2604 + " pkg: " + packageName + ", info:" + info); 2605 } 2606 continue; 2607 } 2608 2609 if (ephemeralInstaller != null) { 2610 throw new RuntimeException("There must only be one ephemeral installer"); 2611 } 2612 2613 ephemeralInstaller = new ComponentName(packageName, info.activityInfo.name); 2614 } 2615 2616 return ephemeralInstaller; 2617 } 2618 2619 private void primeDomainVerificationsLPw(int userId) { 2620 if (DEBUG_DOMAIN_VERIFICATION) { 2621 Slog.d(TAG, "Priming domain verifications in user " + userId); 2622 } 2623 2624 SystemConfig systemConfig = SystemConfig.getInstance(); 2625 ArraySet<String> packages = systemConfig.getLinkedApps(); 2626 ArraySet<String> domains = new ArraySet<String>(); 2627 2628 for (String packageName : packages) { 2629 PackageParser.Package pkg = mPackages.get(packageName); 2630 if (pkg != null) { 2631 if (!pkg.isSystemApp()) { 2632 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2633 continue; 2634 } 2635 2636 domains.clear(); 2637 for (PackageParser.Activity a : pkg.activities) { 2638 for (ActivityIntentInfo filter : a.intents) { 2639 if (hasValidDomains(filter)) { 2640 domains.addAll(filter.getHostsList()); 2641 } 2642 } 2643 } 2644 2645 if (domains.size() > 0) { 2646 if (DEBUG_DOMAIN_VERIFICATION) { 2647 Slog.v(TAG, " + " + packageName); 2648 } 2649 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2650 // state w.r.t. the formal app-linkage "no verification attempted" state; 2651 // and then 'always' in the per-user state actually used for intent resolution. 2652 final IntentFilterVerificationInfo ivi; 2653 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2654 new ArrayList<String>(domains)); 2655 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2656 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2657 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2658 } else { 2659 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2660 + "' does not handle web links"); 2661 } 2662 } else { 2663 Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>"); 2664 } 2665 } 2666 2667 scheduleWritePackageRestrictionsLocked(userId); 2668 scheduleWriteSettingsLocked(); 2669 } 2670 2671 private void applyFactoryDefaultBrowserLPw(int userId) { 2672 // The default browser app's package name is stored in a string resource, 2673 // with a product-specific overlay used for vendor customization. 2674 String browserPkg = mContext.getResources().getString( 2675 com.android.internal.R.string.default_browser); 2676 if (!TextUtils.isEmpty(browserPkg)) { 2677 // non-empty string => required to be a known package 2678 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2679 if (ps == null) { 2680 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2681 browserPkg = null; 2682 } else { 2683 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2684 } 2685 } 2686 2687 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2688 // default. If there's more than one, just leave everything alone. 2689 if (browserPkg == null) { 2690 calculateDefaultBrowserLPw(userId); 2691 } 2692 } 2693 2694 private void calculateDefaultBrowserLPw(int userId) { 2695 List<String> allBrowsers = resolveAllBrowserApps(userId); 2696 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2697 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2698 } 2699 2700 private List<String> resolveAllBrowserApps(int userId) { 2701 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2702 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2703 PackageManager.MATCH_ALL, userId); 2704 2705 final int count = list.size(); 2706 List<String> result = new ArrayList<String>(count); 2707 for (int i=0; i<count; i++) { 2708 ResolveInfo info = list.get(i); 2709 if (info.activityInfo == null 2710 || !info.handleAllWebDataURI 2711 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2712 || result.contains(info.activityInfo.packageName)) { 2713 continue; 2714 } 2715 result.add(info.activityInfo.packageName); 2716 } 2717 2718 return result; 2719 } 2720 2721 private boolean packageIsBrowser(String packageName, int userId) { 2722 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2723 PackageManager.MATCH_ALL, userId); 2724 final int N = list.size(); 2725 for (int i = 0; i < N; i++) { 2726 ResolveInfo info = list.get(i); 2727 if (packageName.equals(info.activityInfo.packageName)) { 2728 return true; 2729 } 2730 } 2731 return false; 2732 } 2733 2734 private void checkDefaultBrowser() { 2735 final int myUserId = UserHandle.myUserId(); 2736 final String packageName = getDefaultBrowserPackageName(myUserId); 2737 if (packageName != null) { 2738 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2739 if (info == null) { 2740 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2741 synchronized (mPackages) { 2742 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2743 } 2744 } 2745 } 2746 } 2747 2748 @Override 2749 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2750 throws RemoteException { 2751 try { 2752 return super.onTransact(code, data, reply, flags); 2753 } catch (RuntimeException e) { 2754 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2755 Slog.wtf(TAG, "Package Manager Crash", e); 2756 } 2757 throw e; 2758 } 2759 } 2760 2761 void cleanupInstallFailedPackage(PackageSetting ps) { 2762 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2763 2764 removeDataDirsLI(ps.volumeUuid, ps.name); 2765 if (ps.codePath != null) { 2766 if (ps.codePath.isDirectory()) { 2767 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2768 } else { 2769 ps.codePath.delete(); 2770 } 2771 } 2772 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2773 if (ps.resourcePath.isDirectory()) { 2774 FileUtils.deleteContents(ps.resourcePath); 2775 } 2776 ps.resourcePath.delete(); 2777 } 2778 mSettings.removePackageLPw(ps.name); 2779 } 2780 2781 static int[] appendInts(int[] cur, int[] add) { 2782 if (add == null) return cur; 2783 if (cur == null) return add; 2784 final int N = add.length; 2785 for (int i=0; i<N; i++) { 2786 cur = appendInt(cur, add[i]); 2787 } 2788 return cur; 2789 } 2790 2791 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2792 if (!sUserManager.exists(userId)) return null; 2793 final PackageSetting ps = (PackageSetting) p.mExtras; 2794 if (ps == null) { 2795 return null; 2796 } 2797 2798 final PermissionsState permissionsState = ps.getPermissionsState(); 2799 2800 final int[] gids = permissionsState.computeGids(userId); 2801 final Set<String> permissions = permissionsState.getPermissions(userId); 2802 final PackageUserState state = ps.readUserState(userId); 2803 2804 return PackageParser.generatePackageInfo(p, gids, flags, 2805 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2806 } 2807 2808 @Override 2809 public void checkPackageStartable(String packageName, int userId) { 2810 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2811 2812 synchronized (mPackages) { 2813 final PackageSetting ps = mSettings.mPackages.get(packageName); 2814 if (ps == null) { 2815 throw new SecurityException("Package " + packageName + " was not found!"); 2816 } 2817 2818 if (ps.frozen) { 2819 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2820 } 2821 2822 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2823 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2824 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2825 } 2826 } 2827 } 2828 2829 @Override 2830 public boolean isPackageAvailable(String packageName, int userId) { 2831 if (!sUserManager.exists(userId)) return false; 2832 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2833 synchronized (mPackages) { 2834 PackageParser.Package p = mPackages.get(packageName); 2835 if (p != null) { 2836 final PackageSetting ps = (PackageSetting) p.mExtras; 2837 if (ps != null) { 2838 final PackageUserState state = ps.readUserState(userId); 2839 if (state != null) { 2840 return PackageParser.isAvailable(state); 2841 } 2842 } 2843 } 2844 } 2845 return false; 2846 } 2847 2848 @Override 2849 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2850 if (!sUserManager.exists(userId)) return null; 2851 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2852 // reader 2853 synchronized (mPackages) { 2854 PackageParser.Package p = mPackages.get(packageName); 2855 if (DEBUG_PACKAGE_INFO) 2856 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2857 if (p != null) { 2858 return generatePackageInfo(p, flags, userId); 2859 } 2860 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2861 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2862 } 2863 } 2864 return null; 2865 } 2866 2867 @Override 2868 public String[] currentToCanonicalPackageNames(String[] names) { 2869 String[] out = new String[names.length]; 2870 // reader 2871 synchronized (mPackages) { 2872 for (int i=names.length-1; i>=0; i--) { 2873 PackageSetting ps = mSettings.mPackages.get(names[i]); 2874 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2875 } 2876 } 2877 return out; 2878 } 2879 2880 @Override 2881 public String[] canonicalToCurrentPackageNames(String[] names) { 2882 String[] out = new String[names.length]; 2883 // reader 2884 synchronized (mPackages) { 2885 for (int i=names.length-1; i>=0; i--) { 2886 String cur = mSettings.mRenamedPackages.get(names[i]); 2887 out[i] = cur != null ? cur : names[i]; 2888 } 2889 } 2890 return out; 2891 } 2892 2893 @Override 2894 public int getPackageUid(String packageName, int userId) { 2895 return getPackageUidEtc(packageName, 0, userId); 2896 } 2897 2898 @Override 2899 public int getPackageUidEtc(String packageName, int flags, int userId) { 2900 if (!sUserManager.exists(userId)) return -1; 2901 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2902 2903 // reader 2904 synchronized (mPackages) { 2905 final PackageParser.Package p = mPackages.get(packageName); 2906 if (p != null) { 2907 return UserHandle.getUid(userId, p.applicationInfo.uid); 2908 } 2909 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2910 final PackageSetting ps = mSettings.mPackages.get(packageName); 2911 if (ps != null) { 2912 return UserHandle.getUid(userId, ps.appId); 2913 } 2914 } 2915 } 2916 2917 return -1; 2918 } 2919 2920 @Override 2921 public int[] getPackageGids(String packageName, int userId) { 2922 return getPackageGidsEtc(packageName, 0, userId); 2923 } 2924 2925 @Override 2926 public int[] getPackageGidsEtc(String packageName, int flags, int userId) { 2927 if (!sUserManager.exists(userId)) { 2928 return null; 2929 } 2930 2931 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2932 "getPackageGids"); 2933 2934 // reader 2935 synchronized (mPackages) { 2936 final PackageParser.Package p = mPackages.get(packageName); 2937 if (p != null) { 2938 PackageSetting ps = (PackageSetting) p.mExtras; 2939 return ps.getPermissionsState().computeGids(userId); 2940 } 2941 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2942 final PackageSetting ps = mSettings.mPackages.get(packageName); 2943 if (ps != null) { 2944 return ps.getPermissionsState().computeGids(userId); 2945 } 2946 } 2947 } 2948 2949 return null; 2950 } 2951 2952 static PermissionInfo generatePermissionInfo( 2953 BasePermission bp, int flags) { 2954 if (bp.perm != null) { 2955 return PackageParser.generatePermissionInfo(bp.perm, flags); 2956 } 2957 PermissionInfo pi = new PermissionInfo(); 2958 pi.name = bp.name; 2959 pi.packageName = bp.sourcePackage; 2960 pi.nonLocalizedLabel = bp.name; 2961 pi.protectionLevel = bp.protectionLevel; 2962 return pi; 2963 } 2964 2965 @Override 2966 public PermissionInfo getPermissionInfo(String name, int flags) { 2967 // reader 2968 synchronized (mPackages) { 2969 final BasePermission p = mSettings.mPermissions.get(name); 2970 if (p != null) { 2971 return generatePermissionInfo(p, flags); 2972 } 2973 return null; 2974 } 2975 } 2976 2977 @Override 2978 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2979 // reader 2980 synchronized (mPackages) { 2981 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2982 for (BasePermission p : mSettings.mPermissions.values()) { 2983 if (group == null) { 2984 if (p.perm == null || p.perm.info.group == null) { 2985 out.add(generatePermissionInfo(p, flags)); 2986 } 2987 } else { 2988 if (p.perm != null && group.equals(p.perm.info.group)) { 2989 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2990 } 2991 } 2992 } 2993 2994 if (out.size() > 0) { 2995 return out; 2996 } 2997 return mPermissionGroups.containsKey(group) ? out : null; 2998 } 2999 } 3000 3001 @Override 3002 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3003 // reader 3004 synchronized (mPackages) { 3005 return PackageParser.generatePermissionGroupInfo( 3006 mPermissionGroups.get(name), flags); 3007 } 3008 } 3009 3010 @Override 3011 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3012 // reader 3013 synchronized (mPackages) { 3014 final int N = mPermissionGroups.size(); 3015 ArrayList<PermissionGroupInfo> out 3016 = new ArrayList<PermissionGroupInfo>(N); 3017 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3018 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3019 } 3020 return out; 3021 } 3022 } 3023 3024 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3025 int userId) { 3026 if (!sUserManager.exists(userId)) return null; 3027 PackageSetting ps = mSettings.mPackages.get(packageName); 3028 if (ps != null) { 3029 if (ps.pkg == null) { 3030 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3031 flags, userId); 3032 if (pInfo != null) { 3033 return pInfo.applicationInfo; 3034 } 3035 return null; 3036 } 3037 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3038 ps.readUserState(userId), userId); 3039 } 3040 return null; 3041 } 3042 3043 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3044 int userId) { 3045 if (!sUserManager.exists(userId)) return null; 3046 PackageSetting ps = mSettings.mPackages.get(packageName); 3047 if (ps != null) { 3048 PackageParser.Package pkg = ps.pkg; 3049 if (pkg == null) { 3050 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 3051 return null; 3052 } 3053 // Only data remains, so we aren't worried about code paths 3054 pkg = new PackageParser.Package(packageName); 3055 pkg.applicationInfo.packageName = packageName; 3056 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3057 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3058 pkg.applicationInfo.uid = ps.appId; 3059 pkg.applicationInfo.initForUser(userId); 3060 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3061 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3062 } 3063 return generatePackageInfo(pkg, flags, userId); 3064 } 3065 return null; 3066 } 3067 3068 @Override 3069 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3070 if (!sUserManager.exists(userId)) return null; 3071 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 3072 // writer 3073 synchronized (mPackages) { 3074 PackageParser.Package p = mPackages.get(packageName); 3075 if (DEBUG_PACKAGE_INFO) Log.v( 3076 TAG, "getApplicationInfo " + packageName 3077 + ": " + p); 3078 if (p != null) { 3079 PackageSetting ps = mSettings.mPackages.get(packageName); 3080 if (ps == null) return null; 3081 // Note: isEnabledLP() does not apply here - always return info 3082 return PackageParser.generateApplicationInfo( 3083 p, flags, ps.readUserState(userId), userId); 3084 } 3085 if ("android".equals(packageName)||"system".equals(packageName)) { 3086 return mAndroidApplication; 3087 } 3088 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 3089 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3090 } 3091 } 3092 return null; 3093 } 3094 3095 @Override 3096 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3097 final IPackageDataObserver observer) { 3098 mContext.enforceCallingOrSelfPermission( 3099 android.Manifest.permission.CLEAR_APP_CACHE, null); 3100 // Queue up an async operation since clearing cache may take a little while. 3101 mHandler.post(new Runnable() { 3102 public void run() { 3103 mHandler.removeCallbacks(this); 3104 int retCode = -1; 3105 synchronized (mInstallLock) { 3106 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 3107 if (retCode < 0) { 3108 Slog.w(TAG, "Couldn't clear application caches"); 3109 } 3110 } 3111 if (observer != null) { 3112 try { 3113 observer.onRemoveCompleted(null, (retCode >= 0)); 3114 } catch (RemoteException e) { 3115 Slog.w(TAG, "RemoveException when invoking call back"); 3116 } 3117 } 3118 } 3119 }); 3120 } 3121 3122 @Override 3123 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3124 final IntentSender pi) { 3125 mContext.enforceCallingOrSelfPermission( 3126 android.Manifest.permission.CLEAR_APP_CACHE, null); 3127 // Queue up an async operation since clearing cache may take a little while. 3128 mHandler.post(new Runnable() { 3129 public void run() { 3130 mHandler.removeCallbacks(this); 3131 int retCode = -1; 3132 synchronized (mInstallLock) { 3133 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 3134 if (retCode < 0) { 3135 Slog.w(TAG, "Couldn't clear application caches"); 3136 } 3137 } 3138 if(pi != null) { 3139 try { 3140 // Callback via pending intent 3141 int code = (retCode >= 0) ? 1 : 0; 3142 pi.sendIntent(null, code, null, 3143 null, null); 3144 } catch (SendIntentException e1) { 3145 Slog.i(TAG, "Failed to send pending intent"); 3146 } 3147 } 3148 } 3149 }); 3150 } 3151 3152 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3153 synchronized (mInstallLock) { 3154 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 3155 throw new IOException("Failed to free enough space"); 3156 } 3157 } 3158 } 3159 3160 /** 3161 * Return if the user key is currently unlocked. 3162 */ 3163 private boolean isUserKeyUnlocked(int userId) { 3164 if (StorageManager.isFileBasedEncryptionEnabled()) { 3165 final IMountService mount = IMountService.Stub 3166 .asInterface(ServiceManager.getService("mount")); 3167 if (mount == null) { 3168 Slog.w(TAG, "Early during boot, assuming locked"); 3169 return false; 3170 } 3171 final long token = Binder.clearCallingIdentity(); 3172 try { 3173 return mount.isUserKeyUnlocked(userId); 3174 } catch (RemoteException e) { 3175 throw e.rethrowAsRuntimeException(); 3176 } finally { 3177 Binder.restoreCallingIdentity(token); 3178 } 3179 } else { 3180 return true; 3181 } 3182 } 3183 3184 /** 3185 * Augment the given flags depending on current user running state. This is 3186 * purposefully done before acquiring {@link #mPackages} lock. 3187 */ 3188 private int augmentFlagsForUser(int flags, int userId, Object cookie) { 3189 if (cookie instanceof Intent) { 3190 // If intent claims to be triaged, then we're fine with default 3191 // matching behavior below 3192 final Intent intent = (Intent) cookie; 3193 if ((intent.getFlags() & Intent.FLAG_DEBUG_ENCRYPTION_TRIAGED) != 0) { 3194 flags |= PackageManager.MATCH_ENCRYPTION_DEFAULT; 3195 } 3196 } 3197 3198 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE_ONLY 3199 | PackageManager.MATCH_ENCRYPTION_AWARE_ONLY)) != 0) { 3200 // Caller expressed an opinion about what components they want to 3201 // see, so fall through and give them what they want 3202 } else { 3203 // Caller expressed no opinion, so match based on user state 3204 if (isUserKeyUnlocked(userId)) { 3205 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 3206 } else { 3207 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_ONLY; 3208 3209 // If we have a system caller that hasn't done their homework to 3210 // decide they want this default behavior, yell at them 3211 if (DEBUG_ENCRYPTION_AWARE && (Binder.getCallingUid() == Process.SYSTEM_UID) 3212 && ((flags & PackageManager.MATCH_ENCRYPTION_DEFAULT) == 0)) { 3213 Log.v(TAG, "Caller hasn't been triaged for FBE; they asked about " + cookie, 3214 new Throwable()); 3215 } 3216 } 3217 } 3218 return flags; 3219 } 3220 3221 @Override 3222 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3223 if (!sUserManager.exists(userId)) return null; 3224 flags = augmentFlagsForUser(flags, userId, component); 3225 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3226 synchronized (mPackages) { 3227 PackageParser.Activity a = mActivities.mActivities.get(component); 3228 3229 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3230 if (a != null && mSettings.isEnabledAndVisibleLPr(a.info, flags, userId)) { 3231 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3232 if (ps == null) return null; 3233 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3234 userId); 3235 } 3236 if (mResolveComponentName.equals(component)) { 3237 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3238 new PackageUserState(), userId); 3239 } 3240 } 3241 return null; 3242 } 3243 3244 @Override 3245 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3246 String resolvedType) { 3247 synchronized (mPackages) { 3248 if (component.equals(mResolveComponentName)) { 3249 // The resolver supports EVERYTHING! 3250 return true; 3251 } 3252 PackageParser.Activity a = mActivities.mActivities.get(component); 3253 if (a == null) { 3254 return false; 3255 } 3256 for (int i=0; i<a.intents.size(); i++) { 3257 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3258 intent.getData(), intent.getCategories(), TAG) >= 0) { 3259 return true; 3260 } 3261 } 3262 return false; 3263 } 3264 } 3265 3266 @Override 3267 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3268 if (!sUserManager.exists(userId)) return null; 3269 flags = augmentFlagsForUser(flags, userId, component); 3270 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3271 synchronized (mPackages) { 3272 PackageParser.Activity a = mReceivers.mActivities.get(component); 3273 if (DEBUG_PACKAGE_INFO) Log.v( 3274 TAG, "getReceiverInfo " + component + ": " + a); 3275 if (a != null && mSettings.isEnabledAndVisibleLPr(a.info, flags, userId)) { 3276 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3277 if (ps == null) return null; 3278 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3279 userId); 3280 } 3281 } 3282 return null; 3283 } 3284 3285 @Override 3286 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3287 if (!sUserManager.exists(userId)) return null; 3288 flags = augmentFlagsForUser(flags, userId, component); 3289 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3290 synchronized (mPackages) { 3291 PackageParser.Service s = mServices.mServices.get(component); 3292 if (DEBUG_PACKAGE_INFO) Log.v( 3293 TAG, "getServiceInfo " + component + ": " + s); 3294 if (s != null && mSettings.isEnabledAndVisibleLPr(s.info, flags, userId)) { 3295 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3296 if (ps == null) return null; 3297 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3298 userId); 3299 } 3300 } 3301 return null; 3302 } 3303 3304 @Override 3305 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3306 if (!sUserManager.exists(userId)) return null; 3307 flags = augmentFlagsForUser(flags, userId, component); 3308 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3309 synchronized (mPackages) { 3310 PackageParser.Provider p = mProviders.mProviders.get(component); 3311 if (DEBUG_PACKAGE_INFO) Log.v( 3312 TAG, "getProviderInfo " + component + ": " + p); 3313 if (p != null && mSettings.isEnabledAndVisibleLPr(p.info, flags, userId)) { 3314 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3315 if (ps == null) return null; 3316 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3317 userId); 3318 } 3319 } 3320 return null; 3321 } 3322 3323 @Override 3324 public String[] getSystemSharedLibraryNames() { 3325 Set<String> libSet; 3326 synchronized (mPackages) { 3327 libSet = mSharedLibraries.keySet(); 3328 int size = libSet.size(); 3329 if (size > 0) { 3330 String[] libs = new String[size]; 3331 libSet.toArray(libs); 3332 return libs; 3333 } 3334 } 3335 return null; 3336 } 3337 3338 /** 3339 * @hide 3340 */ 3341 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3342 synchronized (mPackages) { 3343 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3344 if (lib != null && lib.apk != null) { 3345 return mPackages.get(lib.apk); 3346 } 3347 } 3348 return null; 3349 } 3350 3351 @Override 3352 public FeatureInfo[] getSystemAvailableFeatures() { 3353 Collection<FeatureInfo> featSet; 3354 synchronized (mPackages) { 3355 featSet = mAvailableFeatures.values(); 3356 int size = featSet.size(); 3357 if (size > 0) { 3358 FeatureInfo[] features = new FeatureInfo[size+1]; 3359 featSet.toArray(features); 3360 FeatureInfo fi = new FeatureInfo(); 3361 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3362 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3363 features[size] = fi; 3364 return features; 3365 } 3366 } 3367 return null; 3368 } 3369 3370 @Override 3371 public boolean hasSystemFeature(String name) { 3372 synchronized (mPackages) { 3373 return mAvailableFeatures.containsKey(name); 3374 } 3375 } 3376 3377 @Override 3378 public int checkPermission(String permName, String pkgName, int userId) { 3379 if (!sUserManager.exists(userId)) { 3380 return PackageManager.PERMISSION_DENIED; 3381 } 3382 3383 synchronized (mPackages) { 3384 final PackageParser.Package p = mPackages.get(pkgName); 3385 if (p != null && p.mExtras != null) { 3386 final PackageSetting ps = (PackageSetting) p.mExtras; 3387 final PermissionsState permissionsState = ps.getPermissionsState(); 3388 if (permissionsState.hasPermission(permName, userId)) { 3389 return PackageManager.PERMISSION_GRANTED; 3390 } 3391 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3392 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3393 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3394 return PackageManager.PERMISSION_GRANTED; 3395 } 3396 } 3397 } 3398 3399 return PackageManager.PERMISSION_DENIED; 3400 } 3401 3402 @Override 3403 public int checkUidPermission(String permName, int uid) { 3404 final int userId = UserHandle.getUserId(uid); 3405 3406 if (!sUserManager.exists(userId)) { 3407 return PackageManager.PERMISSION_DENIED; 3408 } 3409 3410 synchronized (mPackages) { 3411 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3412 if (obj != null) { 3413 final SettingBase ps = (SettingBase) obj; 3414 final PermissionsState permissionsState = ps.getPermissionsState(); 3415 if (permissionsState.hasPermission(permName, userId)) { 3416 return PackageManager.PERMISSION_GRANTED; 3417 } 3418 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3419 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3420 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3421 return PackageManager.PERMISSION_GRANTED; 3422 } 3423 } else { 3424 ArraySet<String> perms = mSystemPermissions.get(uid); 3425 if (perms != null) { 3426 if (perms.contains(permName)) { 3427 return PackageManager.PERMISSION_GRANTED; 3428 } 3429 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3430 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3431 return PackageManager.PERMISSION_GRANTED; 3432 } 3433 } 3434 } 3435 } 3436 3437 return PackageManager.PERMISSION_DENIED; 3438 } 3439 3440 @Override 3441 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3442 if (UserHandle.getCallingUserId() != userId) { 3443 mContext.enforceCallingPermission( 3444 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3445 "isPermissionRevokedByPolicy for user " + userId); 3446 } 3447 3448 if (checkPermission(permission, packageName, userId) 3449 == PackageManager.PERMISSION_GRANTED) { 3450 return false; 3451 } 3452 3453 final long identity = Binder.clearCallingIdentity(); 3454 try { 3455 final int flags = getPermissionFlags(permission, packageName, userId); 3456 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3457 } finally { 3458 Binder.restoreCallingIdentity(identity); 3459 } 3460 } 3461 3462 @Override 3463 public String getPermissionControllerPackageName() { 3464 synchronized (mPackages) { 3465 return mRequiredInstallerPackage; 3466 } 3467 } 3468 3469 /** 3470 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3471 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3472 * @param checkShell TODO(yamasani): 3473 * @param message the message to log on security exception 3474 */ 3475 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3476 boolean checkShell, String message) { 3477 if (userId < 0) { 3478 throw new IllegalArgumentException("Invalid userId " + userId); 3479 } 3480 if (checkShell) { 3481 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3482 } 3483 if (userId == UserHandle.getUserId(callingUid)) return; 3484 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3485 if (requireFullPermission) { 3486 mContext.enforceCallingOrSelfPermission( 3487 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3488 } else { 3489 try { 3490 mContext.enforceCallingOrSelfPermission( 3491 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3492 } catch (SecurityException se) { 3493 mContext.enforceCallingOrSelfPermission( 3494 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3495 } 3496 } 3497 } 3498 } 3499 3500 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3501 if (callingUid == Process.SHELL_UID) { 3502 if (userHandle >= 0 3503 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3504 throw new SecurityException("Shell does not have permission to access user " 3505 + userHandle); 3506 } else if (userHandle < 0) { 3507 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3508 + Debug.getCallers(3)); 3509 } 3510 } 3511 } 3512 3513 private BasePermission findPermissionTreeLP(String permName) { 3514 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3515 if (permName.startsWith(bp.name) && 3516 permName.length() > bp.name.length() && 3517 permName.charAt(bp.name.length()) == '.') { 3518 return bp; 3519 } 3520 } 3521 return null; 3522 } 3523 3524 private BasePermission checkPermissionTreeLP(String permName) { 3525 if (permName != null) { 3526 BasePermission bp = findPermissionTreeLP(permName); 3527 if (bp != null) { 3528 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3529 return bp; 3530 } 3531 throw new SecurityException("Calling uid " 3532 + Binder.getCallingUid() 3533 + " is not allowed to add to permission tree " 3534 + bp.name + " owned by uid " + bp.uid); 3535 } 3536 } 3537 throw new SecurityException("No permission tree found for " + permName); 3538 } 3539 3540 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3541 if (s1 == null) { 3542 return s2 == null; 3543 } 3544 if (s2 == null) { 3545 return false; 3546 } 3547 if (s1.getClass() != s2.getClass()) { 3548 return false; 3549 } 3550 return s1.equals(s2); 3551 } 3552 3553 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3554 if (pi1.icon != pi2.icon) return false; 3555 if (pi1.logo != pi2.logo) return false; 3556 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3557 if (!compareStrings(pi1.name, pi2.name)) return false; 3558 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3559 // We'll take care of setting this one. 3560 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3561 // These are not currently stored in settings. 3562 //if (!compareStrings(pi1.group, pi2.group)) return false; 3563 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3564 //if (pi1.labelRes != pi2.labelRes) return false; 3565 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3566 return true; 3567 } 3568 3569 int permissionInfoFootprint(PermissionInfo info) { 3570 int size = info.name.length(); 3571 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3572 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3573 return size; 3574 } 3575 3576 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3577 int size = 0; 3578 for (BasePermission perm : mSettings.mPermissions.values()) { 3579 if (perm.uid == tree.uid) { 3580 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3581 } 3582 } 3583 return size; 3584 } 3585 3586 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3587 // We calculate the max size of permissions defined by this uid and throw 3588 // if that plus the size of 'info' would exceed our stated maximum. 3589 if (tree.uid != Process.SYSTEM_UID) { 3590 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3591 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3592 throw new SecurityException("Permission tree size cap exceeded"); 3593 } 3594 } 3595 } 3596 3597 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3598 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3599 throw new SecurityException("Label must be specified in permission"); 3600 } 3601 BasePermission tree = checkPermissionTreeLP(info.name); 3602 BasePermission bp = mSettings.mPermissions.get(info.name); 3603 boolean added = bp == null; 3604 boolean changed = true; 3605 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3606 if (added) { 3607 enforcePermissionCapLocked(info, tree); 3608 bp = new BasePermission(info.name, tree.sourcePackage, 3609 BasePermission.TYPE_DYNAMIC); 3610 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3611 throw new SecurityException( 3612 "Not allowed to modify non-dynamic permission " 3613 + info.name); 3614 } else { 3615 if (bp.protectionLevel == fixedLevel 3616 && bp.perm.owner.equals(tree.perm.owner) 3617 && bp.uid == tree.uid 3618 && comparePermissionInfos(bp.perm.info, info)) { 3619 changed = false; 3620 } 3621 } 3622 bp.protectionLevel = fixedLevel; 3623 info = new PermissionInfo(info); 3624 info.protectionLevel = fixedLevel; 3625 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3626 bp.perm.info.packageName = tree.perm.info.packageName; 3627 bp.uid = tree.uid; 3628 if (added) { 3629 mSettings.mPermissions.put(info.name, bp); 3630 } 3631 if (changed) { 3632 if (!async) { 3633 mSettings.writeLPr(); 3634 } else { 3635 scheduleWriteSettingsLocked(); 3636 } 3637 } 3638 return added; 3639 } 3640 3641 @Override 3642 public boolean addPermission(PermissionInfo info) { 3643 synchronized (mPackages) { 3644 return addPermissionLocked(info, false); 3645 } 3646 } 3647 3648 @Override 3649 public boolean addPermissionAsync(PermissionInfo info) { 3650 synchronized (mPackages) { 3651 return addPermissionLocked(info, true); 3652 } 3653 } 3654 3655 @Override 3656 public void removePermission(String name) { 3657 synchronized (mPackages) { 3658 checkPermissionTreeLP(name); 3659 BasePermission bp = mSettings.mPermissions.get(name); 3660 if (bp != null) { 3661 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3662 throw new SecurityException( 3663 "Not allowed to modify non-dynamic permission " 3664 + name); 3665 } 3666 mSettings.mPermissions.remove(name); 3667 mSettings.writeLPr(); 3668 } 3669 } 3670 } 3671 3672 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3673 BasePermission bp) { 3674 int index = pkg.requestedPermissions.indexOf(bp.name); 3675 if (index == -1) { 3676 throw new SecurityException("Package " + pkg.packageName 3677 + " has not requested permission " + bp.name); 3678 } 3679 if (!bp.isRuntime() && !bp.isDevelopment()) { 3680 throw new SecurityException("Permission " + bp.name 3681 + " is not a changeable permission type"); 3682 } 3683 } 3684 3685 @Override 3686 public void grantRuntimePermission(String packageName, String name, final int userId) { 3687 if (!sUserManager.exists(userId)) { 3688 Log.e(TAG, "No such user:" + userId); 3689 return; 3690 } 3691 3692 mContext.enforceCallingOrSelfPermission( 3693 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3694 "grantRuntimePermission"); 3695 3696 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3697 "grantRuntimePermission"); 3698 3699 final int uid; 3700 final SettingBase sb; 3701 3702 synchronized (mPackages) { 3703 final PackageParser.Package pkg = mPackages.get(packageName); 3704 if (pkg == null) { 3705 throw new IllegalArgumentException("Unknown package: " + packageName); 3706 } 3707 3708 final BasePermission bp = mSettings.mPermissions.get(name); 3709 if (bp == null) { 3710 throw new IllegalArgumentException("Unknown permission: " + name); 3711 } 3712 3713 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3714 3715 // If a permission review is required for legacy apps we represent 3716 // their permissions as always granted runtime ones since we need 3717 // to keep the review required permission flag per user while an 3718 // install permission's state is shared across all users. 3719 if (Build.PERMISSIONS_REVIEW_REQUIRED 3720 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3721 && bp.isRuntime()) { 3722 return; 3723 } 3724 3725 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3726 sb = (SettingBase) pkg.mExtras; 3727 if (sb == null) { 3728 throw new IllegalArgumentException("Unknown package: " + packageName); 3729 } 3730 3731 final PermissionsState permissionsState = sb.getPermissionsState(); 3732 3733 final int flags = permissionsState.getPermissionFlags(name, userId); 3734 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3735 throw new SecurityException("Cannot grant system fixed permission: " 3736 + name + " for package: " + packageName); 3737 } 3738 3739 if (bp.isDevelopment()) { 3740 // Development permissions must be handled specially, since they are not 3741 // normal runtime permissions. For now they apply to all users. 3742 if (permissionsState.grantInstallPermission(bp) != 3743 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3744 scheduleWriteSettingsLocked(); 3745 } 3746 return; 3747 } 3748 3749 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3750 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3751 return; 3752 } 3753 3754 final int result = permissionsState.grantRuntimePermission(bp, userId); 3755 switch (result) { 3756 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3757 return; 3758 } 3759 3760 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3761 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3762 mHandler.post(new Runnable() { 3763 @Override 3764 public void run() { 3765 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3766 } 3767 }); 3768 } 3769 break; 3770 } 3771 3772 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3773 3774 // Not critical if that is lost - app has to request again. 3775 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3776 } 3777 3778 // Only need to do this if user is initialized. Otherwise it's a new user 3779 // and there are no processes running as the user yet and there's no need 3780 // to make an expensive call to remount processes for the changed permissions. 3781 if (READ_EXTERNAL_STORAGE.equals(name) 3782 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3783 final long token = Binder.clearCallingIdentity(); 3784 try { 3785 if (sUserManager.isInitialized(userId)) { 3786 MountServiceInternal mountServiceInternal = LocalServices.getService( 3787 MountServiceInternal.class); 3788 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3789 } 3790 } finally { 3791 Binder.restoreCallingIdentity(token); 3792 } 3793 } 3794 } 3795 3796 @Override 3797 public void revokeRuntimePermission(String packageName, String name, int userId) { 3798 if (!sUserManager.exists(userId)) { 3799 Log.e(TAG, "No such user:" + userId); 3800 return; 3801 } 3802 3803 mContext.enforceCallingOrSelfPermission( 3804 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3805 "revokeRuntimePermission"); 3806 3807 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3808 "revokeRuntimePermission"); 3809 3810 final int appId; 3811 3812 synchronized (mPackages) { 3813 final PackageParser.Package pkg = mPackages.get(packageName); 3814 if (pkg == null) { 3815 throw new IllegalArgumentException("Unknown package: " + packageName); 3816 } 3817 3818 final BasePermission bp = mSettings.mPermissions.get(name); 3819 if (bp == null) { 3820 throw new IllegalArgumentException("Unknown permission: " + name); 3821 } 3822 3823 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3824 3825 // If a permission review is required for legacy apps we represent 3826 // their permissions as always granted runtime ones since we need 3827 // to keep the review required permission flag per user while an 3828 // install permission's state is shared across all users. 3829 if (Build.PERMISSIONS_REVIEW_REQUIRED 3830 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3831 && bp.isRuntime()) { 3832 return; 3833 } 3834 3835 SettingBase sb = (SettingBase) pkg.mExtras; 3836 if (sb == null) { 3837 throw new IllegalArgumentException("Unknown package: " + packageName); 3838 } 3839 3840 final PermissionsState permissionsState = sb.getPermissionsState(); 3841 3842 final int flags = permissionsState.getPermissionFlags(name, userId); 3843 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3844 throw new SecurityException("Cannot revoke system fixed permission: " 3845 + name + " for package: " + packageName); 3846 } 3847 3848 if (bp.isDevelopment()) { 3849 // Development permissions must be handled specially, since they are not 3850 // normal runtime permissions. For now they apply to all users. 3851 if (permissionsState.revokeInstallPermission(bp) != 3852 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3853 scheduleWriteSettingsLocked(); 3854 } 3855 return; 3856 } 3857 3858 if (permissionsState.revokeRuntimePermission(bp, userId) == 3859 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3860 return; 3861 } 3862 3863 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3864 3865 // Critical, after this call app should never have the permission. 3866 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3867 3868 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3869 } 3870 3871 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3872 } 3873 3874 @Override 3875 public void resetRuntimePermissions() { 3876 mContext.enforceCallingOrSelfPermission( 3877 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3878 "revokeRuntimePermission"); 3879 3880 int callingUid = Binder.getCallingUid(); 3881 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3882 mContext.enforceCallingOrSelfPermission( 3883 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3884 "resetRuntimePermissions"); 3885 } 3886 3887 synchronized (mPackages) { 3888 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3889 for (int userId : UserManagerService.getInstance().getUserIds()) { 3890 final int packageCount = mPackages.size(); 3891 for (int i = 0; i < packageCount; i++) { 3892 PackageParser.Package pkg = mPackages.valueAt(i); 3893 if (!(pkg.mExtras instanceof PackageSetting)) { 3894 continue; 3895 } 3896 PackageSetting ps = (PackageSetting) pkg.mExtras; 3897 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3898 } 3899 } 3900 } 3901 } 3902 3903 @Override 3904 public int getPermissionFlags(String name, String packageName, int userId) { 3905 if (!sUserManager.exists(userId)) { 3906 return 0; 3907 } 3908 3909 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3910 3911 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3912 "getPermissionFlags"); 3913 3914 synchronized (mPackages) { 3915 final PackageParser.Package pkg = mPackages.get(packageName); 3916 if (pkg == null) { 3917 throw new IllegalArgumentException("Unknown package: " + packageName); 3918 } 3919 3920 final BasePermission bp = mSettings.mPermissions.get(name); 3921 if (bp == null) { 3922 throw new IllegalArgumentException("Unknown permission: " + name); 3923 } 3924 3925 SettingBase sb = (SettingBase) pkg.mExtras; 3926 if (sb == null) { 3927 throw new IllegalArgumentException("Unknown package: " + packageName); 3928 } 3929 3930 PermissionsState permissionsState = sb.getPermissionsState(); 3931 return permissionsState.getPermissionFlags(name, userId); 3932 } 3933 } 3934 3935 @Override 3936 public void updatePermissionFlags(String name, String packageName, int flagMask, 3937 int flagValues, int userId) { 3938 if (!sUserManager.exists(userId)) { 3939 return; 3940 } 3941 3942 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3943 3944 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3945 "updatePermissionFlags"); 3946 3947 // Only the system can change these flags and nothing else. 3948 if (getCallingUid() != Process.SYSTEM_UID) { 3949 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3950 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3951 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3952 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3953 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 3954 } 3955 3956 synchronized (mPackages) { 3957 final PackageParser.Package pkg = mPackages.get(packageName); 3958 if (pkg == null) { 3959 throw new IllegalArgumentException("Unknown package: " + packageName); 3960 } 3961 3962 final BasePermission bp = mSettings.mPermissions.get(name); 3963 if (bp == null) { 3964 throw new IllegalArgumentException("Unknown permission: " + name); 3965 } 3966 3967 SettingBase sb = (SettingBase) pkg.mExtras; 3968 if (sb == null) { 3969 throw new IllegalArgumentException("Unknown package: " + packageName); 3970 } 3971 3972 PermissionsState permissionsState = sb.getPermissionsState(); 3973 3974 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3975 3976 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3977 // Install and runtime permissions are stored in different places, 3978 // so figure out what permission changed and persist the change. 3979 if (permissionsState.getInstallPermissionState(name) != null) { 3980 scheduleWriteSettingsLocked(); 3981 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3982 || hadState) { 3983 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3984 } 3985 } 3986 } 3987 } 3988 3989 /** 3990 * Update the permission flags for all packages and runtime permissions of a user in order 3991 * to allow device or profile owner to remove POLICY_FIXED. 3992 */ 3993 @Override 3994 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3995 if (!sUserManager.exists(userId)) { 3996 return; 3997 } 3998 3999 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4000 4001 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4002 "updatePermissionFlagsForAllApps"); 4003 4004 // Only the system can change system fixed flags. 4005 if (getCallingUid() != Process.SYSTEM_UID) { 4006 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4007 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4008 } 4009 4010 synchronized (mPackages) { 4011 boolean changed = false; 4012 final int packageCount = mPackages.size(); 4013 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4014 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4015 SettingBase sb = (SettingBase) pkg.mExtras; 4016 if (sb == null) { 4017 continue; 4018 } 4019 PermissionsState permissionsState = sb.getPermissionsState(); 4020 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4021 userId, flagMask, flagValues); 4022 } 4023 if (changed) { 4024 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4025 } 4026 } 4027 } 4028 4029 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4030 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4031 != PackageManager.PERMISSION_GRANTED 4032 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4033 != PackageManager.PERMISSION_GRANTED) { 4034 throw new SecurityException(message + " requires " 4035 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4036 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4037 } 4038 } 4039 4040 @Override 4041 public boolean shouldShowRequestPermissionRationale(String permissionName, 4042 String packageName, int userId) { 4043 if (UserHandle.getCallingUserId() != userId) { 4044 mContext.enforceCallingPermission( 4045 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4046 "canShowRequestPermissionRationale for user " + userId); 4047 } 4048 4049 final int uid = getPackageUid(packageName, userId); 4050 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4051 return false; 4052 } 4053 4054 if (checkPermission(permissionName, packageName, userId) 4055 == PackageManager.PERMISSION_GRANTED) { 4056 return false; 4057 } 4058 4059 final int flags; 4060 4061 final long identity = Binder.clearCallingIdentity(); 4062 try { 4063 flags = getPermissionFlags(permissionName, 4064 packageName, userId); 4065 } finally { 4066 Binder.restoreCallingIdentity(identity); 4067 } 4068 4069 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4070 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4071 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4072 4073 if ((flags & fixedFlags) != 0) { 4074 return false; 4075 } 4076 4077 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4078 } 4079 4080 @Override 4081 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4082 mContext.enforceCallingOrSelfPermission( 4083 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4084 "addOnPermissionsChangeListener"); 4085 4086 synchronized (mPackages) { 4087 mOnPermissionChangeListeners.addListenerLocked(listener); 4088 } 4089 } 4090 4091 @Override 4092 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4093 synchronized (mPackages) { 4094 mOnPermissionChangeListeners.removeListenerLocked(listener); 4095 } 4096 } 4097 4098 @Override 4099 public boolean isProtectedBroadcast(String actionName) { 4100 synchronized (mPackages) { 4101 if (mProtectedBroadcasts.contains(actionName)) { 4102 return true; 4103 } else if (actionName != null) { 4104 // TODO: remove these terrible hacks 4105 if (actionName.startsWith("android.net.netmon.lingerExpired") 4106 || actionName.startsWith("com.android.server.sip.SipWakeupTimer")) { 4107 return true; 4108 } 4109 } 4110 } 4111 return false; 4112 } 4113 4114 @Override 4115 public int checkSignatures(String pkg1, String pkg2) { 4116 synchronized (mPackages) { 4117 final PackageParser.Package p1 = mPackages.get(pkg1); 4118 final PackageParser.Package p2 = mPackages.get(pkg2); 4119 if (p1 == null || p1.mExtras == null 4120 || p2 == null || p2.mExtras == null) { 4121 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4122 } 4123 return compareSignatures(p1.mSignatures, p2.mSignatures); 4124 } 4125 } 4126 4127 @Override 4128 public int checkUidSignatures(int uid1, int uid2) { 4129 // Map to base uids. 4130 uid1 = UserHandle.getAppId(uid1); 4131 uid2 = UserHandle.getAppId(uid2); 4132 // reader 4133 synchronized (mPackages) { 4134 Signature[] s1; 4135 Signature[] s2; 4136 Object obj = mSettings.getUserIdLPr(uid1); 4137 if (obj != null) { 4138 if (obj instanceof SharedUserSetting) { 4139 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4140 } else if (obj instanceof PackageSetting) { 4141 s1 = ((PackageSetting)obj).signatures.mSignatures; 4142 } else { 4143 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4144 } 4145 } else { 4146 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4147 } 4148 obj = mSettings.getUserIdLPr(uid2); 4149 if (obj != null) { 4150 if (obj instanceof SharedUserSetting) { 4151 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4152 } else if (obj instanceof PackageSetting) { 4153 s2 = ((PackageSetting)obj).signatures.mSignatures; 4154 } else { 4155 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4156 } 4157 } else { 4158 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4159 } 4160 return compareSignatures(s1, s2); 4161 } 4162 } 4163 4164 private void killUid(int appId, int userId, String reason) { 4165 final long identity = Binder.clearCallingIdentity(); 4166 try { 4167 IActivityManager am = ActivityManagerNative.getDefault(); 4168 if (am != null) { 4169 try { 4170 am.killUid(appId, userId, reason); 4171 } catch (RemoteException e) { 4172 /* ignore - same process */ 4173 } 4174 } 4175 } finally { 4176 Binder.restoreCallingIdentity(identity); 4177 } 4178 } 4179 4180 /** 4181 * Compares two sets of signatures. Returns: 4182 * <br /> 4183 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4184 * <br /> 4185 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4186 * <br /> 4187 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4188 * <br /> 4189 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4190 * <br /> 4191 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4192 */ 4193 static int compareSignatures(Signature[] s1, Signature[] s2) { 4194 if (s1 == null) { 4195 return s2 == null 4196 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4197 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4198 } 4199 4200 if (s2 == null) { 4201 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4202 } 4203 4204 if (s1.length != s2.length) { 4205 return PackageManager.SIGNATURE_NO_MATCH; 4206 } 4207 4208 // Since both signature sets are of size 1, we can compare without HashSets. 4209 if (s1.length == 1) { 4210 return s1[0].equals(s2[0]) ? 4211 PackageManager.SIGNATURE_MATCH : 4212 PackageManager.SIGNATURE_NO_MATCH; 4213 } 4214 4215 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4216 for (Signature sig : s1) { 4217 set1.add(sig); 4218 } 4219 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4220 for (Signature sig : s2) { 4221 set2.add(sig); 4222 } 4223 // Make sure s2 contains all signatures in s1. 4224 if (set1.equals(set2)) { 4225 return PackageManager.SIGNATURE_MATCH; 4226 } 4227 return PackageManager.SIGNATURE_NO_MATCH; 4228 } 4229 4230 /** 4231 * If the database version for this type of package (internal storage or 4232 * external storage) is less than the version where package signatures 4233 * were updated, return true. 4234 */ 4235 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4236 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4237 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4238 } 4239 4240 /** 4241 * Used for backward compatibility to make sure any packages with 4242 * certificate chains get upgraded to the new style. {@code existingSigs} 4243 * will be in the old format (since they were stored on disk from before the 4244 * system upgrade) and {@code scannedSigs} will be in the newer format. 4245 */ 4246 private int compareSignaturesCompat(PackageSignatures existingSigs, 4247 PackageParser.Package scannedPkg) { 4248 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4249 return PackageManager.SIGNATURE_NO_MATCH; 4250 } 4251 4252 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4253 for (Signature sig : existingSigs.mSignatures) { 4254 existingSet.add(sig); 4255 } 4256 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4257 for (Signature sig : scannedPkg.mSignatures) { 4258 try { 4259 Signature[] chainSignatures = sig.getChainSignatures(); 4260 for (Signature chainSig : chainSignatures) { 4261 scannedCompatSet.add(chainSig); 4262 } 4263 } catch (CertificateEncodingException e) { 4264 scannedCompatSet.add(sig); 4265 } 4266 } 4267 /* 4268 * Make sure the expanded scanned set contains all signatures in the 4269 * existing one. 4270 */ 4271 if (scannedCompatSet.equals(existingSet)) { 4272 // Migrate the old signatures to the new scheme. 4273 existingSigs.assignSignatures(scannedPkg.mSignatures); 4274 // The new KeySets will be re-added later in the scanning process. 4275 synchronized (mPackages) { 4276 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4277 } 4278 return PackageManager.SIGNATURE_MATCH; 4279 } 4280 return PackageManager.SIGNATURE_NO_MATCH; 4281 } 4282 4283 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4284 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4285 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4286 } 4287 4288 private int compareSignaturesRecover(PackageSignatures existingSigs, 4289 PackageParser.Package scannedPkg) { 4290 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4291 return PackageManager.SIGNATURE_NO_MATCH; 4292 } 4293 4294 String msg = null; 4295 try { 4296 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4297 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4298 + scannedPkg.packageName); 4299 return PackageManager.SIGNATURE_MATCH; 4300 } 4301 } catch (CertificateException e) { 4302 msg = e.getMessage(); 4303 } 4304 4305 logCriticalInfo(Log.INFO, 4306 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4307 return PackageManager.SIGNATURE_NO_MATCH; 4308 } 4309 4310 @Override 4311 public String[] getPackagesForUid(int uid) { 4312 uid = UserHandle.getAppId(uid); 4313 // reader 4314 synchronized (mPackages) { 4315 Object obj = mSettings.getUserIdLPr(uid); 4316 if (obj instanceof SharedUserSetting) { 4317 final SharedUserSetting sus = (SharedUserSetting) obj; 4318 final int N = sus.packages.size(); 4319 final String[] res = new String[N]; 4320 final Iterator<PackageSetting> it = sus.packages.iterator(); 4321 int i = 0; 4322 while (it.hasNext()) { 4323 res[i++] = it.next().name; 4324 } 4325 return res; 4326 } else if (obj instanceof PackageSetting) { 4327 final PackageSetting ps = (PackageSetting) obj; 4328 return new String[] { ps.name }; 4329 } 4330 } 4331 return null; 4332 } 4333 4334 @Override 4335 public String getNameForUid(int uid) { 4336 // reader 4337 synchronized (mPackages) { 4338 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4339 if (obj instanceof SharedUserSetting) { 4340 final SharedUserSetting sus = (SharedUserSetting) obj; 4341 return sus.name + ":" + sus.userId; 4342 } else if (obj instanceof PackageSetting) { 4343 final PackageSetting ps = (PackageSetting) obj; 4344 return ps.name; 4345 } 4346 } 4347 return null; 4348 } 4349 4350 @Override 4351 public int getUidForSharedUser(String sharedUserName) { 4352 if(sharedUserName == null) { 4353 return -1; 4354 } 4355 // reader 4356 synchronized (mPackages) { 4357 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4358 if (suid == null) { 4359 return -1; 4360 } 4361 return suid.userId; 4362 } 4363 } 4364 4365 @Override 4366 public int getFlagsForUid(int uid) { 4367 synchronized (mPackages) { 4368 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4369 if (obj instanceof SharedUserSetting) { 4370 final SharedUserSetting sus = (SharedUserSetting) obj; 4371 return sus.pkgFlags; 4372 } else if (obj instanceof PackageSetting) { 4373 final PackageSetting ps = (PackageSetting) obj; 4374 return ps.pkgFlags; 4375 } 4376 } 4377 return 0; 4378 } 4379 4380 @Override 4381 public int getPrivateFlagsForUid(int uid) { 4382 synchronized (mPackages) { 4383 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4384 if (obj instanceof SharedUserSetting) { 4385 final SharedUserSetting sus = (SharedUserSetting) obj; 4386 return sus.pkgPrivateFlags; 4387 } else if (obj instanceof PackageSetting) { 4388 final PackageSetting ps = (PackageSetting) obj; 4389 return ps.pkgPrivateFlags; 4390 } 4391 } 4392 return 0; 4393 } 4394 4395 @Override 4396 public boolean isUidPrivileged(int uid) { 4397 uid = UserHandle.getAppId(uid); 4398 // reader 4399 synchronized (mPackages) { 4400 Object obj = mSettings.getUserIdLPr(uid); 4401 if (obj instanceof SharedUserSetting) { 4402 final SharedUserSetting sus = (SharedUserSetting) obj; 4403 final Iterator<PackageSetting> it = sus.packages.iterator(); 4404 while (it.hasNext()) { 4405 if (it.next().isPrivileged()) { 4406 return true; 4407 } 4408 } 4409 } else if (obj instanceof PackageSetting) { 4410 final PackageSetting ps = (PackageSetting) obj; 4411 return ps.isPrivileged(); 4412 } 4413 } 4414 return false; 4415 } 4416 4417 @Override 4418 public String[] getAppOpPermissionPackages(String permissionName) { 4419 synchronized (mPackages) { 4420 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4421 if (pkgs == null) { 4422 return null; 4423 } 4424 return pkgs.toArray(new String[pkgs.size()]); 4425 } 4426 } 4427 4428 @Override 4429 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4430 int flags, int userId) { 4431 if (!sUserManager.exists(userId)) return null; 4432 flags = augmentFlagsForUser(flags, userId, intent); 4433 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4434 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4435 final ResolveInfo bestChoice = 4436 chooseBestActivity(intent, resolvedType, flags, query, userId); 4437 4438 if (isEphemeralAllowed(intent, query, userId)) { 4439 final EphemeralResolveInfo ai = 4440 getEphemeralResolveInfo(intent, resolvedType, userId); 4441 if (ai != null) { 4442 if (DEBUG_EPHEMERAL) { 4443 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4444 } 4445 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4446 bestChoice.ephemeralResolveInfo = ai; 4447 } 4448 } 4449 return bestChoice; 4450 } 4451 4452 @Override 4453 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4454 IntentFilter filter, int match, ComponentName activity) { 4455 final int userId = UserHandle.getCallingUserId(); 4456 if (DEBUG_PREFERRED) { 4457 Log.v(TAG, "setLastChosenActivity intent=" + intent 4458 + " resolvedType=" + resolvedType 4459 + " flags=" + flags 4460 + " filter=" + filter 4461 + " match=" + match 4462 + " activity=" + activity); 4463 filter.dump(new PrintStreamPrinter(System.out), " "); 4464 } 4465 intent.setComponent(null); 4466 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4467 // Find any earlier preferred or last chosen entries and nuke them 4468 findPreferredActivity(intent, resolvedType, 4469 flags, query, 0, false, true, false, userId); 4470 // Add the new activity as the last chosen for this filter 4471 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4472 "Setting last chosen"); 4473 } 4474 4475 @Override 4476 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4477 final int userId = UserHandle.getCallingUserId(); 4478 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4479 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4480 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4481 false, false, false, userId); 4482 } 4483 4484 4485 private boolean isEphemeralAllowed( 4486 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4487 // Short circuit and return early if possible. 4488 final int callingUser = UserHandle.getCallingUserId(); 4489 if (callingUser != UserHandle.USER_SYSTEM) { 4490 return false; 4491 } 4492 if (mEphemeralResolverConnection == null) { 4493 return false; 4494 } 4495 if (intent.getComponent() != null) { 4496 return false; 4497 } 4498 if (intent.getPackage() != null) { 4499 return false; 4500 } 4501 final boolean isWebUri = hasWebURI(intent); 4502 if (!isWebUri) { 4503 return false; 4504 } 4505 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4506 synchronized (mPackages) { 4507 final int count = resolvedActivites.size(); 4508 for (int n = 0; n < count; n++) { 4509 ResolveInfo info = resolvedActivites.get(n); 4510 String packageName = info.activityInfo.packageName; 4511 PackageSetting ps = mSettings.mPackages.get(packageName); 4512 if (ps != null) { 4513 // Try to get the status from User settings first 4514 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4515 int status = (int) (packedStatus >> 32); 4516 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4517 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4518 if (DEBUG_EPHEMERAL) { 4519 Slog.v(TAG, "DENY ephemeral apps;" 4520 + " pkg: " + packageName + ", status: " + status); 4521 } 4522 return false; 4523 } 4524 } 4525 } 4526 } 4527 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4528 return true; 4529 } 4530 4531 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4532 int userId) { 4533 MessageDigest digest = null; 4534 try { 4535 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4536 } catch (NoSuchAlgorithmException e) { 4537 // If we can't create a digest, ignore ephemeral apps. 4538 return null; 4539 } 4540 4541 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4542 final byte[] digestBytes = digest.digest(hostBytes); 4543 int shaPrefix = 4544 digestBytes[0] << 24 4545 | digestBytes[1] << 16 4546 | digestBytes[2] << 8 4547 | digestBytes[3] << 0; 4548 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4549 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4550 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4551 // No hash prefix match; there are no ephemeral apps for this domain. 4552 return null; 4553 } 4554 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4555 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4556 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4557 continue; 4558 } 4559 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4560 // No filters; this should never happen. 4561 if (filters.isEmpty()) { 4562 continue; 4563 } 4564 // We have a domain match; resolve the filters to see if anything matches. 4565 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4566 for (int j = filters.size() - 1; j >= 0; --j) { 4567 final EphemeralResolveIntentInfo intentInfo = 4568 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4569 ephemeralResolver.addFilter(intentInfo); 4570 } 4571 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4572 intent, resolvedType, false /*defaultOnly*/, userId); 4573 if (!matchedResolveInfoList.isEmpty()) { 4574 return matchedResolveInfoList.get(0); 4575 } 4576 } 4577 // Hash or filter mis-match; no ephemeral apps for this domain. 4578 return null; 4579 } 4580 4581 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4582 int flags, List<ResolveInfo> query, int userId) { 4583 if (query != null) { 4584 final int N = query.size(); 4585 if (N == 1) { 4586 return query.get(0); 4587 } else if (N > 1) { 4588 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4589 // If there is more than one activity with the same priority, 4590 // then let the user decide between them. 4591 ResolveInfo r0 = query.get(0); 4592 ResolveInfo r1 = query.get(1); 4593 if (DEBUG_INTENT_MATCHING || debug) { 4594 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4595 + r1.activityInfo.name + "=" + r1.priority); 4596 } 4597 // If the first activity has a higher priority, or a different 4598 // default, then it is always desirable to pick it. 4599 if (r0.priority != r1.priority 4600 || r0.preferredOrder != r1.preferredOrder 4601 || r0.isDefault != r1.isDefault) { 4602 return query.get(0); 4603 } 4604 // If we have saved a preference for a preferred activity for 4605 // this Intent, use that. 4606 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4607 flags, query, r0.priority, true, false, debug, userId); 4608 if (ri != null) { 4609 return ri; 4610 } 4611 ri = new ResolveInfo(mResolveInfo); 4612 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4613 ri.activityInfo.applicationInfo = new ApplicationInfo( 4614 ri.activityInfo.applicationInfo); 4615 if (userId != 0) { 4616 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4617 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4618 } 4619 // Make sure that the resolver is displayable in car mode 4620 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4621 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4622 return ri; 4623 } 4624 } 4625 return null; 4626 } 4627 4628 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4629 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4630 final int N = query.size(); 4631 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4632 .get(userId); 4633 // Get the list of persistent preferred activities that handle the intent 4634 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4635 List<PersistentPreferredActivity> pprefs = ppir != null 4636 ? ppir.queryIntent(intent, resolvedType, 4637 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4638 : null; 4639 if (pprefs != null && pprefs.size() > 0) { 4640 final int M = pprefs.size(); 4641 for (int i=0; i<M; i++) { 4642 final PersistentPreferredActivity ppa = pprefs.get(i); 4643 if (DEBUG_PREFERRED || debug) { 4644 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4645 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4646 + "\n component=" + ppa.mComponent); 4647 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4648 } 4649 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4650 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4651 if (DEBUG_PREFERRED || debug) { 4652 Slog.v(TAG, "Found persistent preferred activity:"); 4653 if (ai != null) { 4654 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4655 } else { 4656 Slog.v(TAG, " null"); 4657 } 4658 } 4659 if (ai == null) { 4660 // This previously registered persistent preferred activity 4661 // component is no longer known. Ignore it and do NOT remove it. 4662 continue; 4663 } 4664 for (int j=0; j<N; j++) { 4665 final ResolveInfo ri = query.get(j); 4666 if (!ri.activityInfo.applicationInfo.packageName 4667 .equals(ai.applicationInfo.packageName)) { 4668 continue; 4669 } 4670 if (!ri.activityInfo.name.equals(ai.name)) { 4671 continue; 4672 } 4673 // Found a persistent preference that can handle the intent. 4674 if (DEBUG_PREFERRED || debug) { 4675 Slog.v(TAG, "Returning persistent preferred activity: " + 4676 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4677 } 4678 return ri; 4679 } 4680 } 4681 } 4682 return null; 4683 } 4684 4685 // TODO: handle preferred activities missing while user has amnesia 4686 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4687 List<ResolveInfo> query, int priority, boolean always, 4688 boolean removeMatches, boolean debug, int userId) { 4689 if (!sUserManager.exists(userId)) return null; 4690 flags = augmentFlagsForUser(flags, userId, intent); 4691 // writer 4692 synchronized (mPackages) { 4693 if (intent.getSelector() != null) { 4694 intent = intent.getSelector(); 4695 } 4696 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4697 4698 // Try to find a matching persistent preferred activity. 4699 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4700 debug, userId); 4701 4702 // If a persistent preferred activity matched, use it. 4703 if (pri != null) { 4704 return pri; 4705 } 4706 4707 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4708 // Get the list of preferred activities that handle the intent 4709 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4710 List<PreferredActivity> prefs = pir != null 4711 ? pir.queryIntent(intent, resolvedType, 4712 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4713 : null; 4714 if (prefs != null && prefs.size() > 0) { 4715 boolean changed = false; 4716 try { 4717 // First figure out how good the original match set is. 4718 // We will only allow preferred activities that came 4719 // from the same match quality. 4720 int match = 0; 4721 4722 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4723 4724 final int N = query.size(); 4725 for (int j=0; j<N; j++) { 4726 final ResolveInfo ri = query.get(j); 4727 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4728 + ": 0x" + Integer.toHexString(match)); 4729 if (ri.match > match) { 4730 match = ri.match; 4731 } 4732 } 4733 4734 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4735 + Integer.toHexString(match)); 4736 4737 match &= IntentFilter.MATCH_CATEGORY_MASK; 4738 final int M = prefs.size(); 4739 for (int i=0; i<M; i++) { 4740 final PreferredActivity pa = prefs.get(i); 4741 if (DEBUG_PREFERRED || debug) { 4742 Slog.v(TAG, "Checking PreferredActivity ds=" 4743 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4744 + "\n component=" + pa.mPref.mComponent); 4745 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4746 } 4747 if (pa.mPref.mMatch != match) { 4748 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4749 + Integer.toHexString(pa.mPref.mMatch)); 4750 continue; 4751 } 4752 // If it's not an "always" type preferred activity and that's what we're 4753 // looking for, skip it. 4754 if (always && !pa.mPref.mAlways) { 4755 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4756 continue; 4757 } 4758 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4759 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4760 if (DEBUG_PREFERRED || debug) { 4761 Slog.v(TAG, "Found preferred activity:"); 4762 if (ai != null) { 4763 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4764 } else { 4765 Slog.v(TAG, " null"); 4766 } 4767 } 4768 if (ai == null) { 4769 // This previously registered preferred activity 4770 // component is no longer known. Most likely an update 4771 // to the app was installed and in the new version this 4772 // component no longer exists. Clean it up by removing 4773 // it from the preferred activities list, and skip it. 4774 Slog.w(TAG, "Removing dangling preferred activity: " 4775 + pa.mPref.mComponent); 4776 pir.removeFilter(pa); 4777 changed = true; 4778 continue; 4779 } 4780 for (int j=0; j<N; j++) { 4781 final ResolveInfo ri = query.get(j); 4782 if (!ri.activityInfo.applicationInfo.packageName 4783 .equals(ai.applicationInfo.packageName)) { 4784 continue; 4785 } 4786 if (!ri.activityInfo.name.equals(ai.name)) { 4787 continue; 4788 } 4789 4790 if (removeMatches) { 4791 pir.removeFilter(pa); 4792 changed = true; 4793 if (DEBUG_PREFERRED) { 4794 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4795 } 4796 break; 4797 } 4798 4799 // Okay we found a previously set preferred or last chosen app. 4800 // If the result set is different from when this 4801 // was created, we need to clear it and re-ask the 4802 // user their preference, if we're looking for an "always" type entry. 4803 if (always && !pa.mPref.sameSet(query)) { 4804 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4805 + intent + " type " + resolvedType); 4806 if (DEBUG_PREFERRED) { 4807 Slog.v(TAG, "Removing preferred activity since set changed " 4808 + pa.mPref.mComponent); 4809 } 4810 pir.removeFilter(pa); 4811 // Re-add the filter as a "last chosen" entry (!always) 4812 PreferredActivity lastChosen = new PreferredActivity( 4813 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4814 pir.addFilter(lastChosen); 4815 changed = true; 4816 return null; 4817 } 4818 4819 // Yay! Either the set matched or we're looking for the last chosen 4820 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4821 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4822 return ri; 4823 } 4824 } 4825 } finally { 4826 if (changed) { 4827 if (DEBUG_PREFERRED) { 4828 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4829 } 4830 scheduleWritePackageRestrictionsLocked(userId); 4831 } 4832 } 4833 } 4834 } 4835 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4836 return null; 4837 } 4838 4839 /* 4840 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4841 */ 4842 @Override 4843 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4844 int targetUserId) { 4845 mContext.enforceCallingOrSelfPermission( 4846 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4847 List<CrossProfileIntentFilter> matches = 4848 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4849 if (matches != null) { 4850 int size = matches.size(); 4851 for (int i = 0; i < size; i++) { 4852 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4853 } 4854 } 4855 if (hasWebURI(intent)) { 4856 // cross-profile app linking works only towards the parent. 4857 final UserInfo parent = getProfileParent(sourceUserId); 4858 synchronized(mPackages) { 4859 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4860 intent, resolvedType, 0, sourceUserId, parent.id); 4861 return xpDomainInfo != null; 4862 } 4863 } 4864 return false; 4865 } 4866 4867 private UserInfo getProfileParent(int userId) { 4868 final long identity = Binder.clearCallingIdentity(); 4869 try { 4870 return sUserManager.getProfileParent(userId); 4871 } finally { 4872 Binder.restoreCallingIdentity(identity); 4873 } 4874 } 4875 4876 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4877 String resolvedType, int userId) { 4878 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4879 if (resolver != null) { 4880 return resolver.queryIntent(intent, resolvedType, false, userId); 4881 } 4882 return null; 4883 } 4884 4885 @Override 4886 public List<ResolveInfo> queryIntentActivities(Intent intent, 4887 String resolvedType, int flags, int userId) { 4888 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4889 flags = augmentFlagsForUser(flags, userId, intent); 4890 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4891 ComponentName comp = intent.getComponent(); 4892 if (comp == null) { 4893 if (intent.getSelector() != null) { 4894 intent = intent.getSelector(); 4895 comp = intent.getComponent(); 4896 } 4897 } 4898 4899 if (comp != null) { 4900 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4901 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4902 if (ai != null) { 4903 final ResolveInfo ri = new ResolveInfo(); 4904 ri.activityInfo = ai; 4905 list.add(ri); 4906 } 4907 return list; 4908 } 4909 4910 // reader 4911 synchronized (mPackages) { 4912 final String pkgName = intent.getPackage(); 4913 if (pkgName == null) { 4914 List<CrossProfileIntentFilter> matchingFilters = 4915 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4916 // Check for results that need to skip the current profile. 4917 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4918 resolvedType, flags, userId); 4919 if (xpResolveInfo != null) { 4920 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4921 result.add(xpResolveInfo); 4922 return filterIfNotSystemUser(result, userId); 4923 } 4924 4925 // Check for results in the current profile. 4926 List<ResolveInfo> result = mActivities.queryIntent( 4927 intent, resolvedType, flags, userId); 4928 result = filterIfNotSystemUser(result, userId); 4929 4930 // Check for cross profile results. 4931 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 4932 xpResolveInfo = queryCrossProfileIntents( 4933 matchingFilters, intent, resolvedType, flags, userId, 4934 hasNonNegativePriorityResult); 4935 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4936 boolean isVisibleToUser = filterIfNotSystemUser( 4937 Collections.singletonList(xpResolveInfo), userId).size() > 0; 4938 if (isVisibleToUser) { 4939 result.add(xpResolveInfo); 4940 Collections.sort(result, mResolvePrioritySorter); 4941 } 4942 } 4943 if (hasWebURI(intent)) { 4944 CrossProfileDomainInfo xpDomainInfo = null; 4945 final UserInfo parent = getProfileParent(userId); 4946 if (parent != null) { 4947 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4948 flags, userId, parent.id); 4949 } 4950 if (xpDomainInfo != null) { 4951 if (xpResolveInfo != null) { 4952 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4953 // in the result. 4954 result.remove(xpResolveInfo); 4955 } 4956 if (result.size() == 0) { 4957 result.add(xpDomainInfo.resolveInfo); 4958 return result; 4959 } 4960 } else if (result.size() <= 1) { 4961 return result; 4962 } 4963 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4964 xpDomainInfo, userId); 4965 Collections.sort(result, mResolvePrioritySorter); 4966 } 4967 return result; 4968 } 4969 final PackageParser.Package pkg = mPackages.get(pkgName); 4970 if (pkg != null) { 4971 return filterIfNotSystemUser( 4972 mActivities.queryIntentForPackage( 4973 intent, resolvedType, flags, pkg.activities, userId), 4974 userId); 4975 } 4976 return new ArrayList<ResolveInfo>(); 4977 } 4978 } 4979 4980 private static class CrossProfileDomainInfo { 4981 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4982 ResolveInfo resolveInfo; 4983 /* Best domain verification status of the activities found in the other profile */ 4984 int bestDomainVerificationStatus; 4985 } 4986 4987 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4988 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4989 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4990 sourceUserId)) { 4991 return null; 4992 } 4993 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4994 resolvedType, flags, parentUserId); 4995 4996 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4997 return null; 4998 } 4999 CrossProfileDomainInfo result = null; 5000 int size = resultTargetUser.size(); 5001 for (int i = 0; i < size; i++) { 5002 ResolveInfo riTargetUser = resultTargetUser.get(i); 5003 // Intent filter verification is only for filters that specify a host. So don't return 5004 // those that handle all web uris. 5005 if (riTargetUser.handleAllWebDataURI) { 5006 continue; 5007 } 5008 String packageName = riTargetUser.activityInfo.packageName; 5009 PackageSetting ps = mSettings.mPackages.get(packageName); 5010 if (ps == null) { 5011 continue; 5012 } 5013 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5014 int status = (int)(verificationState >> 32); 5015 if (result == null) { 5016 result = new CrossProfileDomainInfo(); 5017 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5018 sourceUserId, parentUserId); 5019 result.bestDomainVerificationStatus = status; 5020 } else { 5021 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5022 result.bestDomainVerificationStatus); 5023 } 5024 } 5025 // Don't consider matches with status NEVER across profiles. 5026 if (result != null && result.bestDomainVerificationStatus 5027 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5028 return null; 5029 } 5030 return result; 5031 } 5032 5033 /** 5034 * Verification statuses are ordered from the worse to the best, except for 5035 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5036 */ 5037 private int bestDomainVerificationStatus(int status1, int status2) { 5038 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5039 return status2; 5040 } 5041 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5042 return status1; 5043 } 5044 return (int) MathUtils.max(status1, status2); 5045 } 5046 5047 private boolean isUserEnabled(int userId) { 5048 long callingId = Binder.clearCallingIdentity(); 5049 try { 5050 UserInfo userInfo = sUserManager.getUserInfo(userId); 5051 return userInfo != null && userInfo.isEnabled(); 5052 } finally { 5053 Binder.restoreCallingIdentity(callingId); 5054 } 5055 } 5056 5057 /** 5058 * Filter out activities with systemUserOnly flag set, when current user is not System. 5059 * 5060 * @return filtered list 5061 */ 5062 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5063 if (userId == UserHandle.USER_SYSTEM) { 5064 return resolveInfos; 5065 } 5066 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5067 ResolveInfo info = resolveInfos.get(i); 5068 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5069 resolveInfos.remove(i); 5070 } 5071 } 5072 return resolveInfos; 5073 } 5074 5075 /** 5076 * @param resolveInfos list of resolve infos in descending priority order 5077 * @return if the list contains a resolve info with non-negative priority 5078 */ 5079 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5080 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5081 } 5082 5083 private static boolean hasWebURI(Intent intent) { 5084 if (intent.getData() == null) { 5085 return false; 5086 } 5087 final String scheme = intent.getScheme(); 5088 if (TextUtils.isEmpty(scheme)) { 5089 return false; 5090 } 5091 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5092 } 5093 5094 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5095 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5096 int userId) { 5097 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5098 5099 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5100 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5101 candidates.size()); 5102 } 5103 5104 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5105 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5106 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5107 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5108 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5109 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5110 5111 synchronized (mPackages) { 5112 final int count = candidates.size(); 5113 // First, try to use linked apps. Partition the candidates into four lists: 5114 // one for the final results, one for the "do not use ever", one for "undefined status" 5115 // and finally one for "browser app type". 5116 for (int n=0; n<count; n++) { 5117 ResolveInfo info = candidates.get(n); 5118 String packageName = info.activityInfo.packageName; 5119 PackageSetting ps = mSettings.mPackages.get(packageName); 5120 if (ps != null) { 5121 // Add to the special match all list (Browser use case) 5122 if (info.handleAllWebDataURI) { 5123 matchAllList.add(info); 5124 continue; 5125 } 5126 // Try to get the status from User settings first 5127 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5128 int status = (int)(packedStatus >> 32); 5129 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5130 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5131 if (DEBUG_DOMAIN_VERIFICATION) { 5132 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5133 + " : linkgen=" + linkGeneration); 5134 } 5135 // Use link-enabled generation as preferredOrder, i.e. 5136 // prefer newly-enabled over earlier-enabled. 5137 info.preferredOrder = linkGeneration; 5138 alwaysList.add(info); 5139 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5140 if (DEBUG_DOMAIN_VERIFICATION) { 5141 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5142 } 5143 neverList.add(info); 5144 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5145 if (DEBUG_DOMAIN_VERIFICATION) { 5146 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5147 } 5148 alwaysAskList.add(info); 5149 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5150 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5151 if (DEBUG_DOMAIN_VERIFICATION) { 5152 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5153 } 5154 undefinedList.add(info); 5155 } 5156 } 5157 } 5158 5159 // We'll want to include browser possibilities in a few cases 5160 boolean includeBrowser = false; 5161 5162 // First try to add the "always" resolution(s) for the current user, if any 5163 if (alwaysList.size() > 0) { 5164 result.addAll(alwaysList); 5165 } else { 5166 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5167 result.addAll(undefinedList); 5168 // Maybe add one for the other profile. 5169 if (xpDomainInfo != null && ( 5170 xpDomainInfo.bestDomainVerificationStatus 5171 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5172 result.add(xpDomainInfo.resolveInfo); 5173 } 5174 includeBrowser = true; 5175 } 5176 5177 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5178 // If there were 'always' entries their preferred order has been set, so we also 5179 // back that off to make the alternatives equivalent 5180 if (alwaysAskList.size() > 0) { 5181 for (ResolveInfo i : result) { 5182 i.preferredOrder = 0; 5183 } 5184 result.addAll(alwaysAskList); 5185 includeBrowser = true; 5186 } 5187 5188 if (includeBrowser) { 5189 // Also add browsers (all of them or only the default one) 5190 if (DEBUG_DOMAIN_VERIFICATION) { 5191 Slog.v(TAG, " ...including browsers in candidate set"); 5192 } 5193 if ((matchFlags & MATCH_ALL) != 0) { 5194 result.addAll(matchAllList); 5195 } else { 5196 // Browser/generic handling case. If there's a default browser, go straight 5197 // to that (but only if there is no other higher-priority match). 5198 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5199 int maxMatchPrio = 0; 5200 ResolveInfo defaultBrowserMatch = null; 5201 final int numCandidates = matchAllList.size(); 5202 for (int n = 0; n < numCandidates; n++) { 5203 ResolveInfo info = matchAllList.get(n); 5204 // track the highest overall match priority... 5205 if (info.priority > maxMatchPrio) { 5206 maxMatchPrio = info.priority; 5207 } 5208 // ...and the highest-priority default browser match 5209 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5210 if (defaultBrowserMatch == null 5211 || (defaultBrowserMatch.priority < info.priority)) { 5212 if (debug) { 5213 Slog.v(TAG, "Considering default browser match " + info); 5214 } 5215 defaultBrowserMatch = info; 5216 } 5217 } 5218 } 5219 if (defaultBrowserMatch != null 5220 && defaultBrowserMatch.priority >= maxMatchPrio 5221 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5222 { 5223 if (debug) { 5224 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5225 } 5226 result.add(defaultBrowserMatch); 5227 } else { 5228 result.addAll(matchAllList); 5229 } 5230 } 5231 5232 // If there is nothing selected, add all candidates and remove the ones that the user 5233 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5234 if (result.size() == 0) { 5235 result.addAll(candidates); 5236 result.removeAll(neverList); 5237 } 5238 } 5239 } 5240 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5241 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5242 result.size()); 5243 for (ResolveInfo info : result) { 5244 Slog.v(TAG, " + " + info.activityInfo); 5245 } 5246 } 5247 return result; 5248 } 5249 5250 // Returns a packed value as a long: 5251 // 5252 // high 'int'-sized word: link status: undefined/ask/never/always. 5253 // low 'int'-sized word: relative priority among 'always' results. 5254 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5255 long result = ps.getDomainVerificationStatusForUser(userId); 5256 // if none available, get the master status 5257 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5258 if (ps.getIntentFilterVerificationInfo() != null) { 5259 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5260 } 5261 } 5262 return result; 5263 } 5264 5265 private ResolveInfo querySkipCurrentProfileIntents( 5266 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5267 int flags, int sourceUserId) { 5268 if (matchingFilters != null) { 5269 int size = matchingFilters.size(); 5270 for (int i = 0; i < size; i ++) { 5271 CrossProfileIntentFilter filter = matchingFilters.get(i); 5272 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5273 // Checking if there are activities in the target user that can handle the 5274 // intent. 5275 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5276 resolvedType, flags, sourceUserId); 5277 if (resolveInfo != null) { 5278 return resolveInfo; 5279 } 5280 } 5281 } 5282 } 5283 return null; 5284 } 5285 5286 // Return matching ResolveInfo in target user if any. 5287 private ResolveInfo queryCrossProfileIntents( 5288 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5289 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5290 if (matchingFilters != null) { 5291 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5292 // match the same intent. For performance reasons, it is better not to 5293 // run queryIntent twice for the same userId 5294 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5295 int size = matchingFilters.size(); 5296 for (int i = 0; i < size; i++) { 5297 CrossProfileIntentFilter filter = matchingFilters.get(i); 5298 int targetUserId = filter.getTargetUserId(); 5299 boolean skipCurrentProfile = 5300 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5301 boolean skipCurrentProfileIfNoMatchFound = 5302 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5303 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5304 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5305 // Checking if there are activities in the target user that can handle the 5306 // intent. 5307 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5308 resolvedType, flags, sourceUserId); 5309 if (resolveInfo != null) return resolveInfo; 5310 alreadyTriedUserIds.put(targetUserId, true); 5311 } 5312 } 5313 } 5314 return null; 5315 } 5316 5317 /** 5318 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5319 * will forward the intent to the filter's target user. 5320 * Otherwise, returns null. 5321 */ 5322 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5323 String resolvedType, int flags, int sourceUserId) { 5324 int targetUserId = filter.getTargetUserId(); 5325 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5326 resolvedType, flags, targetUserId); 5327 if (resultTargetUser != null && !resultTargetUser.isEmpty() 5328 && isUserEnabled(targetUserId)) { 5329 return createForwardingResolveInfoUnchecked(filter, sourceUserId, targetUserId); 5330 } 5331 return null; 5332 } 5333 5334 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5335 int sourceUserId, int targetUserId) { 5336 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5337 long ident = Binder.clearCallingIdentity(); 5338 boolean targetIsProfile; 5339 try { 5340 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5341 } finally { 5342 Binder.restoreCallingIdentity(ident); 5343 } 5344 String className; 5345 if (targetIsProfile) { 5346 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5347 } else { 5348 className = FORWARD_INTENT_TO_PARENT; 5349 } 5350 ComponentName forwardingActivityComponentName = new ComponentName( 5351 mAndroidApplication.packageName, className); 5352 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5353 sourceUserId); 5354 if (!targetIsProfile) { 5355 forwardingActivityInfo.showUserIcon = targetUserId; 5356 forwardingResolveInfo.noResourceId = true; 5357 } 5358 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5359 forwardingResolveInfo.priority = 0; 5360 forwardingResolveInfo.preferredOrder = 0; 5361 forwardingResolveInfo.match = 0; 5362 forwardingResolveInfo.isDefault = true; 5363 forwardingResolveInfo.filter = filter; 5364 forwardingResolveInfo.targetUserId = targetUserId; 5365 return forwardingResolveInfo; 5366 } 5367 5368 @Override 5369 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5370 Intent[] specifics, String[] specificTypes, Intent intent, 5371 String resolvedType, int flags, int userId) { 5372 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5373 flags = augmentFlagsForUser(flags, userId, intent); 5374 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5375 false, "query intent activity options"); 5376 final String resultsAction = intent.getAction(); 5377 5378 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5379 | PackageManager.GET_RESOLVED_FILTER, userId); 5380 5381 if (DEBUG_INTENT_MATCHING) { 5382 Log.v(TAG, "Query " + intent + ": " + results); 5383 } 5384 5385 int specificsPos = 0; 5386 int N; 5387 5388 // todo: note that the algorithm used here is O(N^2). This 5389 // isn't a problem in our current environment, but if we start running 5390 // into situations where we have more than 5 or 10 matches then this 5391 // should probably be changed to something smarter... 5392 5393 // First we go through and resolve each of the specific items 5394 // that were supplied, taking care of removing any corresponding 5395 // duplicate items in the generic resolve list. 5396 if (specifics != null) { 5397 for (int i=0; i<specifics.length; i++) { 5398 final Intent sintent = specifics[i]; 5399 if (sintent == null) { 5400 continue; 5401 } 5402 5403 if (DEBUG_INTENT_MATCHING) { 5404 Log.v(TAG, "Specific #" + i + ": " + sintent); 5405 } 5406 5407 String action = sintent.getAction(); 5408 if (resultsAction != null && resultsAction.equals(action)) { 5409 // If this action was explicitly requested, then don't 5410 // remove things that have it. 5411 action = null; 5412 } 5413 5414 ResolveInfo ri = null; 5415 ActivityInfo ai = null; 5416 5417 ComponentName comp = sintent.getComponent(); 5418 if (comp == null) { 5419 ri = resolveIntent( 5420 sintent, 5421 specificTypes != null ? specificTypes[i] : null, 5422 flags, userId); 5423 if (ri == null) { 5424 continue; 5425 } 5426 if (ri == mResolveInfo) { 5427 // ACK! Must do something better with this. 5428 } 5429 ai = ri.activityInfo; 5430 comp = new ComponentName(ai.applicationInfo.packageName, 5431 ai.name); 5432 } else { 5433 ai = getActivityInfo(comp, flags, userId); 5434 if (ai == null) { 5435 continue; 5436 } 5437 } 5438 5439 // Look for any generic query activities that are duplicates 5440 // of this specific one, and remove them from the results. 5441 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5442 N = results.size(); 5443 int j; 5444 for (j=specificsPos; j<N; j++) { 5445 ResolveInfo sri = results.get(j); 5446 if ((sri.activityInfo.name.equals(comp.getClassName()) 5447 && sri.activityInfo.applicationInfo.packageName.equals( 5448 comp.getPackageName())) 5449 || (action != null && sri.filter.matchAction(action))) { 5450 results.remove(j); 5451 if (DEBUG_INTENT_MATCHING) Log.v( 5452 TAG, "Removing duplicate item from " + j 5453 + " due to specific " + specificsPos); 5454 if (ri == null) { 5455 ri = sri; 5456 } 5457 j--; 5458 N--; 5459 } 5460 } 5461 5462 // Add this specific item to its proper place. 5463 if (ri == null) { 5464 ri = new ResolveInfo(); 5465 ri.activityInfo = ai; 5466 } 5467 results.add(specificsPos, ri); 5468 ri.specificIndex = i; 5469 specificsPos++; 5470 } 5471 } 5472 5473 // Now we go through the remaining generic results and remove any 5474 // duplicate actions that are found here. 5475 N = results.size(); 5476 for (int i=specificsPos; i<N-1; i++) { 5477 final ResolveInfo rii = results.get(i); 5478 if (rii.filter == null) { 5479 continue; 5480 } 5481 5482 // Iterate over all of the actions of this result's intent 5483 // filter... typically this should be just one. 5484 final Iterator<String> it = rii.filter.actionsIterator(); 5485 if (it == null) { 5486 continue; 5487 } 5488 while (it.hasNext()) { 5489 final String action = it.next(); 5490 if (resultsAction != null && resultsAction.equals(action)) { 5491 // If this action was explicitly requested, then don't 5492 // remove things that have it. 5493 continue; 5494 } 5495 for (int j=i+1; j<N; j++) { 5496 final ResolveInfo rij = results.get(j); 5497 if (rij.filter != null && rij.filter.hasAction(action)) { 5498 results.remove(j); 5499 if (DEBUG_INTENT_MATCHING) Log.v( 5500 TAG, "Removing duplicate item from " + j 5501 + " due to action " + action + " at " + i); 5502 j--; 5503 N--; 5504 } 5505 } 5506 } 5507 5508 // If the caller didn't request filter information, drop it now 5509 // so we don't have to marshall/unmarshall it. 5510 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5511 rii.filter = null; 5512 } 5513 } 5514 5515 // Filter out the caller activity if so requested. 5516 if (caller != null) { 5517 N = results.size(); 5518 for (int i=0; i<N; i++) { 5519 ActivityInfo ainfo = results.get(i).activityInfo; 5520 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5521 && caller.getClassName().equals(ainfo.name)) { 5522 results.remove(i); 5523 break; 5524 } 5525 } 5526 } 5527 5528 // If the caller didn't request filter information, 5529 // drop them now so we don't have to 5530 // marshall/unmarshall it. 5531 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5532 N = results.size(); 5533 for (int i=0; i<N; i++) { 5534 results.get(i).filter = null; 5535 } 5536 } 5537 5538 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5539 return results; 5540 } 5541 5542 @Override 5543 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5544 int userId) { 5545 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5546 flags = augmentFlagsForUser(flags, userId, intent); 5547 ComponentName comp = intent.getComponent(); 5548 if (comp == null) { 5549 if (intent.getSelector() != null) { 5550 intent = intent.getSelector(); 5551 comp = intent.getComponent(); 5552 } 5553 } 5554 if (comp != null) { 5555 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5556 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5557 if (ai != null) { 5558 ResolveInfo ri = new ResolveInfo(); 5559 ri.activityInfo = ai; 5560 list.add(ri); 5561 } 5562 return list; 5563 } 5564 5565 // reader 5566 synchronized (mPackages) { 5567 String pkgName = intent.getPackage(); 5568 if (pkgName == null) { 5569 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5570 } 5571 final PackageParser.Package pkg = mPackages.get(pkgName); 5572 if (pkg != null) { 5573 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5574 userId); 5575 } 5576 return null; 5577 } 5578 } 5579 5580 @Override 5581 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5582 if (!sUserManager.exists(userId)) return null; 5583 flags = augmentFlagsForUser(flags, userId, intent); 5584 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5585 if (query != null) { 5586 if (query.size() >= 1) { 5587 // If there is more than one service with the same priority, 5588 // just arbitrarily pick the first one. 5589 return query.get(0); 5590 } 5591 } 5592 return null; 5593 } 5594 5595 @Override 5596 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5597 int userId) { 5598 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5599 flags = augmentFlagsForUser(flags, userId, intent); 5600 ComponentName comp = intent.getComponent(); 5601 if (comp == null) { 5602 if (intent.getSelector() != null) { 5603 intent = intent.getSelector(); 5604 comp = intent.getComponent(); 5605 } 5606 } 5607 if (comp != null) { 5608 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5609 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5610 if (si != null) { 5611 final ResolveInfo ri = new ResolveInfo(); 5612 ri.serviceInfo = si; 5613 list.add(ri); 5614 } 5615 return list; 5616 } 5617 5618 // reader 5619 synchronized (mPackages) { 5620 String pkgName = intent.getPackage(); 5621 if (pkgName == null) { 5622 return mServices.queryIntent(intent, resolvedType, flags, userId); 5623 } 5624 final PackageParser.Package pkg = mPackages.get(pkgName); 5625 if (pkg != null) { 5626 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5627 userId); 5628 } 5629 return null; 5630 } 5631 } 5632 5633 @Override 5634 public List<ResolveInfo> queryIntentContentProviders( 5635 Intent intent, String resolvedType, int flags, int userId) { 5636 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5637 flags = augmentFlagsForUser(flags, userId, intent); 5638 ComponentName comp = intent.getComponent(); 5639 if (comp == null) { 5640 if (intent.getSelector() != null) { 5641 intent = intent.getSelector(); 5642 comp = intent.getComponent(); 5643 } 5644 } 5645 if (comp != null) { 5646 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5647 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5648 if (pi != null) { 5649 final ResolveInfo ri = new ResolveInfo(); 5650 ri.providerInfo = pi; 5651 list.add(ri); 5652 } 5653 return list; 5654 } 5655 5656 // reader 5657 synchronized (mPackages) { 5658 String pkgName = intent.getPackage(); 5659 if (pkgName == null) { 5660 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5661 } 5662 final PackageParser.Package pkg = mPackages.get(pkgName); 5663 if (pkg != null) { 5664 return mProviders.queryIntentForPackage( 5665 intent, resolvedType, flags, pkg.providers, userId); 5666 } 5667 return null; 5668 } 5669 } 5670 5671 @Override 5672 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5673 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5674 5675 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5676 5677 // writer 5678 synchronized (mPackages) { 5679 ArrayList<PackageInfo> list; 5680 if (listUninstalled) { 5681 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5682 for (PackageSetting ps : mSettings.mPackages.values()) { 5683 PackageInfo pi; 5684 if (ps.pkg != null) { 5685 pi = generatePackageInfo(ps.pkg, flags, userId); 5686 } else { 5687 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5688 } 5689 if (pi != null) { 5690 list.add(pi); 5691 } 5692 } 5693 } else { 5694 list = new ArrayList<PackageInfo>(mPackages.size()); 5695 for (PackageParser.Package p : mPackages.values()) { 5696 PackageInfo pi = generatePackageInfo(p, flags, userId); 5697 if (pi != null) { 5698 list.add(pi); 5699 } 5700 } 5701 } 5702 5703 return new ParceledListSlice<PackageInfo>(list); 5704 } 5705 } 5706 5707 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5708 String[] permissions, boolean[] tmp, int flags, int userId) { 5709 int numMatch = 0; 5710 final PermissionsState permissionsState = ps.getPermissionsState(); 5711 for (int i=0; i<permissions.length; i++) { 5712 final String permission = permissions[i]; 5713 if (permissionsState.hasPermission(permission, userId)) { 5714 tmp[i] = true; 5715 numMatch++; 5716 } else { 5717 tmp[i] = false; 5718 } 5719 } 5720 if (numMatch == 0) { 5721 return; 5722 } 5723 PackageInfo pi; 5724 if (ps.pkg != null) { 5725 pi = generatePackageInfo(ps.pkg, flags, userId); 5726 } else { 5727 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5728 } 5729 // The above might return null in cases of uninstalled apps or install-state 5730 // skew across users/profiles. 5731 if (pi != null) { 5732 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5733 if (numMatch == permissions.length) { 5734 pi.requestedPermissions = permissions; 5735 } else { 5736 pi.requestedPermissions = new String[numMatch]; 5737 numMatch = 0; 5738 for (int i=0; i<permissions.length; i++) { 5739 if (tmp[i]) { 5740 pi.requestedPermissions[numMatch] = permissions[i]; 5741 numMatch++; 5742 } 5743 } 5744 } 5745 } 5746 list.add(pi); 5747 } 5748 } 5749 5750 @Override 5751 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5752 String[] permissions, int flags, int userId) { 5753 if (!sUserManager.exists(userId)) return null; 5754 flags = augmentFlagsForUser(flags, userId, null); 5755 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5756 5757 // writer 5758 synchronized (mPackages) { 5759 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5760 boolean[] tmpBools = new boolean[permissions.length]; 5761 if (listUninstalled) { 5762 for (PackageSetting ps : mSettings.mPackages.values()) { 5763 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5764 } 5765 } else { 5766 for (PackageParser.Package pkg : mPackages.values()) { 5767 PackageSetting ps = (PackageSetting)pkg.mExtras; 5768 if (ps != null) { 5769 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5770 userId); 5771 } 5772 } 5773 } 5774 5775 return new ParceledListSlice<PackageInfo>(list); 5776 } 5777 } 5778 5779 @Override 5780 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5781 if (!sUserManager.exists(userId)) return null; 5782 flags = augmentFlagsForUser(flags, userId, null); 5783 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5784 5785 // writer 5786 synchronized (mPackages) { 5787 ArrayList<ApplicationInfo> list; 5788 if (listUninstalled) { 5789 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5790 for (PackageSetting ps : mSettings.mPackages.values()) { 5791 ApplicationInfo ai; 5792 if (ps.pkg != null) { 5793 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5794 ps.readUserState(userId), userId); 5795 } else { 5796 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5797 } 5798 if (ai != null) { 5799 list.add(ai); 5800 } 5801 } 5802 } else { 5803 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5804 for (PackageParser.Package p : mPackages.values()) { 5805 if (p.mExtras != null) { 5806 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5807 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5808 if (ai != null) { 5809 list.add(ai); 5810 } 5811 } 5812 } 5813 } 5814 5815 return new ParceledListSlice<ApplicationInfo>(list); 5816 } 5817 } 5818 5819 @Override 5820 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 5821 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5822 "getEphemeralApplications"); 5823 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5824 "getEphemeralApplications"); 5825 synchronized (mPackages) { 5826 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 5827 .getEphemeralApplicationsLPw(userId); 5828 if (ephemeralApps != null) { 5829 return new ParceledListSlice<>(ephemeralApps); 5830 } 5831 } 5832 return null; 5833 } 5834 5835 @Override 5836 public boolean isEphemeralApplication(String packageName, int userId) { 5837 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5838 "isEphemeral"); 5839 if (!isCallerSameApp(packageName)) { 5840 return false; 5841 } 5842 synchronized (mPackages) { 5843 PackageParser.Package pkg = mPackages.get(packageName); 5844 if (pkg != null) { 5845 return pkg.applicationInfo.isEphemeralApp(); 5846 } 5847 } 5848 return false; 5849 } 5850 5851 @Override 5852 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 5853 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5854 "getCookie"); 5855 if (!isCallerSameApp(packageName)) { 5856 return null; 5857 } 5858 synchronized (mPackages) { 5859 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 5860 packageName, userId); 5861 } 5862 } 5863 5864 @Override 5865 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 5866 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5867 "setCookie"); 5868 if (!isCallerSameApp(packageName)) { 5869 return false; 5870 } 5871 synchronized (mPackages) { 5872 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 5873 packageName, cookie, userId); 5874 } 5875 } 5876 5877 @Override 5878 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 5879 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5880 "getEphemeralApplicationIcon"); 5881 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5882 "getEphemeralApplicationIcon"); 5883 synchronized (mPackages) { 5884 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 5885 packageName, userId); 5886 } 5887 } 5888 5889 private boolean isCallerSameApp(String packageName) { 5890 PackageParser.Package pkg = mPackages.get(packageName); 5891 return pkg != null 5892 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 5893 } 5894 5895 public List<ApplicationInfo> getPersistentApplications(int flags) { 5896 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5897 5898 // reader 5899 synchronized (mPackages) { 5900 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5901 final int userId = UserHandle.getCallingUserId(); 5902 while (i.hasNext()) { 5903 final PackageParser.Package p = i.next(); 5904 if (p.applicationInfo != null 5905 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5906 && (!mSafeMode || isSystemApp(p))) { 5907 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5908 if (ps != null) { 5909 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5910 ps.readUserState(userId), userId); 5911 if (ai != null) { 5912 finalList.add(ai); 5913 } 5914 } 5915 } 5916 } 5917 } 5918 5919 return finalList; 5920 } 5921 5922 @Override 5923 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5924 if (!sUserManager.exists(userId)) return null; 5925 flags = augmentFlagsForUser(flags, userId, name); 5926 // reader 5927 synchronized (mPackages) { 5928 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5929 PackageSetting ps = provider != null 5930 ? mSettings.mPackages.get(provider.owner.packageName) 5931 : null; 5932 return ps != null 5933 && mSettings.isEnabledAndVisibleLPr(provider.info, flags, userId) 5934 && (!mSafeMode || (provider.info.applicationInfo.flags 5935 &ApplicationInfo.FLAG_SYSTEM) != 0) 5936 ? PackageParser.generateProviderInfo(provider, flags, 5937 ps.readUserState(userId), userId) 5938 : null; 5939 } 5940 } 5941 5942 /** 5943 * @deprecated 5944 */ 5945 @Deprecated 5946 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5947 // reader 5948 synchronized (mPackages) { 5949 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5950 .entrySet().iterator(); 5951 final int userId = UserHandle.getCallingUserId(); 5952 while (i.hasNext()) { 5953 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5954 PackageParser.Provider p = entry.getValue(); 5955 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5956 5957 if (ps != null && p.syncable 5958 && (!mSafeMode || (p.info.applicationInfo.flags 5959 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5960 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5961 ps.readUserState(userId), userId); 5962 if (info != null) { 5963 outNames.add(entry.getKey()); 5964 outInfo.add(info); 5965 } 5966 } 5967 } 5968 } 5969 } 5970 5971 @Override 5972 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5973 int uid, int flags) { 5974 final int userId = processName != null ? UserHandle.getUserId(uid) 5975 : UserHandle.getCallingUserId(); 5976 if (!sUserManager.exists(userId)) return null; 5977 flags = augmentFlagsForUser(flags, userId, processName); 5978 5979 ArrayList<ProviderInfo> finalList = null; 5980 // reader 5981 synchronized (mPackages) { 5982 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5983 while (i.hasNext()) { 5984 final PackageParser.Provider p = i.next(); 5985 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5986 if (ps != null && p.info.authority != null 5987 && (processName == null 5988 || (p.info.processName.equals(processName) 5989 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5990 && mSettings.isEnabledAndVisibleLPr(p.info, flags, userId) 5991 && (!mSafeMode 5992 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5993 if (finalList == null) { 5994 finalList = new ArrayList<ProviderInfo>(3); 5995 } 5996 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5997 ps.readUserState(userId), userId); 5998 if (info != null) { 5999 finalList.add(info); 6000 } 6001 } 6002 } 6003 } 6004 6005 if (finalList != null) { 6006 Collections.sort(finalList, mProviderInitOrderSorter); 6007 return new ParceledListSlice<ProviderInfo>(finalList); 6008 } 6009 6010 return null; 6011 } 6012 6013 @Override 6014 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 6015 int flags) { 6016 // reader 6017 synchronized (mPackages) { 6018 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6019 return PackageParser.generateInstrumentationInfo(i, flags); 6020 } 6021 } 6022 6023 @Override 6024 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 6025 int flags) { 6026 ArrayList<InstrumentationInfo> finalList = 6027 new ArrayList<InstrumentationInfo>(); 6028 6029 // reader 6030 synchronized (mPackages) { 6031 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6032 while (i.hasNext()) { 6033 final PackageParser.Instrumentation p = i.next(); 6034 if (targetPackage == null 6035 || targetPackage.equals(p.info.targetPackage)) { 6036 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6037 flags); 6038 if (ii != null) { 6039 finalList.add(ii); 6040 } 6041 } 6042 } 6043 } 6044 6045 return finalList; 6046 } 6047 6048 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6049 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6050 if (overlays == null) { 6051 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6052 return; 6053 } 6054 for (PackageParser.Package opkg : overlays.values()) { 6055 // Not much to do if idmap fails: we already logged the error 6056 // and we certainly don't want to abort installation of pkg simply 6057 // because an overlay didn't fit properly. For these reasons, 6058 // ignore the return value of createIdmapForPackagePairLI. 6059 createIdmapForPackagePairLI(pkg, opkg); 6060 } 6061 } 6062 6063 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6064 PackageParser.Package opkg) { 6065 if (!opkg.mTrustedOverlay) { 6066 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6067 opkg.baseCodePath + ": overlay not trusted"); 6068 return false; 6069 } 6070 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6071 if (overlaySet == null) { 6072 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6073 opkg.baseCodePath + " but target package has no known overlays"); 6074 return false; 6075 } 6076 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6077 // TODO: generate idmap for split APKs 6078 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 6079 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6080 + opkg.baseCodePath); 6081 return false; 6082 } 6083 PackageParser.Package[] overlayArray = 6084 overlaySet.values().toArray(new PackageParser.Package[0]); 6085 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6086 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6087 return p1.mOverlayPriority - p2.mOverlayPriority; 6088 } 6089 }; 6090 Arrays.sort(overlayArray, cmp); 6091 6092 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6093 int i = 0; 6094 for (PackageParser.Package p : overlayArray) { 6095 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6096 } 6097 return true; 6098 } 6099 6100 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6101 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6102 try { 6103 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6104 } finally { 6105 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6106 } 6107 } 6108 6109 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6110 final File[] files = dir.listFiles(); 6111 if (ArrayUtils.isEmpty(files)) { 6112 Log.d(TAG, "No files in app dir " + dir); 6113 return; 6114 } 6115 6116 if (DEBUG_PACKAGE_SCANNING) { 6117 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6118 + " flags=0x" + Integer.toHexString(parseFlags)); 6119 } 6120 6121 for (File file : files) { 6122 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6123 && !PackageInstallerService.isStageName(file.getName()); 6124 if (!isPackage) { 6125 // Ignore entries which are not packages 6126 continue; 6127 } 6128 try { 6129 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6130 scanFlags, currentTime, null); 6131 } catch (PackageManagerException e) { 6132 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6133 6134 // Delete invalid userdata apps 6135 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6136 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6137 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6138 if (file.isDirectory()) { 6139 mInstaller.rmPackageDir(file.getAbsolutePath()); 6140 } else { 6141 file.delete(); 6142 } 6143 } 6144 } 6145 } 6146 } 6147 6148 private static File getSettingsProblemFile() { 6149 File dataDir = Environment.getDataDirectory(); 6150 File systemDir = new File(dataDir, "system"); 6151 File fname = new File(systemDir, "uiderrors.txt"); 6152 return fname; 6153 } 6154 6155 static void reportSettingsProblem(int priority, String msg) { 6156 logCriticalInfo(priority, msg); 6157 } 6158 6159 static void logCriticalInfo(int priority, String msg) { 6160 Slog.println(priority, TAG, msg); 6161 EventLogTags.writePmCriticalInfo(msg); 6162 try { 6163 File fname = getSettingsProblemFile(); 6164 FileOutputStream out = new FileOutputStream(fname, true); 6165 PrintWriter pw = new FastPrintWriter(out); 6166 SimpleDateFormat formatter = new SimpleDateFormat(); 6167 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6168 pw.println(dateString + ": " + msg); 6169 pw.close(); 6170 FileUtils.setPermissions( 6171 fname.toString(), 6172 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6173 -1, -1); 6174 } catch (java.io.IOException e) { 6175 } 6176 } 6177 6178 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 6179 PackageParser.Package pkg, File srcFile, int parseFlags) 6180 throws PackageManagerException { 6181 if (ps != null 6182 && ps.codePath.equals(srcFile) 6183 && ps.timeStamp == srcFile.lastModified() 6184 && !isCompatSignatureUpdateNeeded(pkg) 6185 && !isRecoverSignatureUpdateNeeded(pkg)) { 6186 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6187 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6188 ArraySet<PublicKey> signingKs; 6189 synchronized (mPackages) { 6190 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6191 } 6192 if (ps.signatures.mSignatures != null 6193 && ps.signatures.mSignatures.length != 0 6194 && signingKs != null) { 6195 // Optimization: reuse the existing cached certificates 6196 // if the package appears to be unchanged. 6197 pkg.mSignatures = ps.signatures.mSignatures; 6198 pkg.mSigningKeys = signingKs; 6199 return; 6200 } 6201 6202 Slog.w(TAG, "PackageSetting for " + ps.name 6203 + " is missing signatures. Collecting certs again to recover them."); 6204 } else { 6205 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6206 } 6207 6208 try { 6209 pp.collectCertificates(pkg, parseFlags); 6210 pp.collectManifestDigest(pkg); 6211 } catch (PackageParserException e) { 6212 throw PackageManagerException.from(e); 6213 } 6214 } 6215 6216 /** 6217 * Traces a package scan. 6218 * @see #scanPackageLI(File, int, int, long, UserHandle) 6219 */ 6220 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6221 long currentTime, UserHandle user) throws PackageManagerException { 6222 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6223 try { 6224 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6225 } finally { 6226 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6227 } 6228 } 6229 6230 /** 6231 * Scans a package and returns the newly parsed package. 6232 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6233 */ 6234 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6235 long currentTime, UserHandle user) throws PackageManagerException { 6236 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6237 parseFlags |= mDefParseFlags; 6238 PackageParser pp = new PackageParser(); 6239 pp.setSeparateProcesses(mSeparateProcesses); 6240 pp.setOnlyCoreApps(mOnlyCore); 6241 pp.setDisplayMetrics(mMetrics); 6242 6243 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6244 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6245 } 6246 6247 final PackageParser.Package pkg; 6248 try { 6249 pkg = pp.parsePackage(scanFile, parseFlags); 6250 } catch (PackageParserException e) { 6251 throw PackageManagerException.from(e); 6252 } 6253 6254 PackageSetting ps = null; 6255 PackageSetting updatedPkg; 6256 // reader 6257 synchronized (mPackages) { 6258 // Look to see if we already know about this package. 6259 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6260 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6261 // This package has been renamed to its original name. Let's 6262 // use that. 6263 ps = mSettings.peekPackageLPr(oldName); 6264 } 6265 // If there was no original package, see one for the real package name. 6266 if (ps == null) { 6267 ps = mSettings.peekPackageLPr(pkg.packageName); 6268 } 6269 // Check to see if this package could be hiding/updating a system 6270 // package. Must look for it either under the original or real 6271 // package name depending on our state. 6272 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6273 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6274 } 6275 boolean updatedPkgBetter = false; 6276 // First check if this is a system package that may involve an update 6277 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6278 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6279 // it needs to drop FLAG_PRIVILEGED. 6280 if (locationIsPrivileged(scanFile)) { 6281 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6282 } else { 6283 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6284 } 6285 6286 if (ps != null && !ps.codePath.equals(scanFile)) { 6287 // The path has changed from what was last scanned... check the 6288 // version of the new path against what we have stored to determine 6289 // what to do. 6290 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6291 if (pkg.mVersionCode <= ps.versionCode) { 6292 // The system package has been updated and the code path does not match 6293 // Ignore entry. Skip it. 6294 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6295 + " ignored: updated version " + ps.versionCode 6296 + " better than this " + pkg.mVersionCode); 6297 if (!updatedPkg.codePath.equals(scanFile)) { 6298 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 6299 + ps.name + " changing from " + updatedPkg.codePathString 6300 + " to " + scanFile); 6301 updatedPkg.codePath = scanFile; 6302 updatedPkg.codePathString = scanFile.toString(); 6303 updatedPkg.resourcePath = scanFile; 6304 updatedPkg.resourcePathString = scanFile.toString(); 6305 } 6306 updatedPkg.pkg = pkg; 6307 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6308 "Package " + ps.name + " at " + scanFile 6309 + " ignored: updated version " + ps.versionCode 6310 + " better than this " + pkg.mVersionCode); 6311 } else { 6312 // The current app on the system partition is better than 6313 // what we have updated to on the data partition; switch 6314 // back to the system partition version. 6315 // At this point, its safely assumed that package installation for 6316 // apps in system partition will go through. If not there won't be a working 6317 // version of the app 6318 // writer 6319 synchronized (mPackages) { 6320 // Just remove the loaded entries from package lists. 6321 mPackages.remove(ps.name); 6322 } 6323 6324 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6325 + " reverting from " + ps.codePathString 6326 + ": new version " + pkg.mVersionCode 6327 + " better than installed " + ps.versionCode); 6328 6329 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6330 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6331 synchronized (mInstallLock) { 6332 args.cleanUpResourcesLI(); 6333 } 6334 synchronized (mPackages) { 6335 mSettings.enableSystemPackageLPw(ps.name); 6336 } 6337 updatedPkgBetter = true; 6338 } 6339 } 6340 } 6341 6342 if (updatedPkg != null) { 6343 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6344 // initially 6345 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6346 6347 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6348 // flag set initially 6349 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6350 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6351 } 6352 } 6353 6354 // Verify certificates against what was last scanned 6355 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 6356 6357 /* 6358 * A new system app appeared, but we already had a non-system one of the 6359 * same name installed earlier. 6360 */ 6361 boolean shouldHideSystemApp = false; 6362 if (updatedPkg == null && ps != null 6363 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6364 /* 6365 * Check to make sure the signatures match first. If they don't, 6366 * wipe the installed application and its data. 6367 */ 6368 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6369 != PackageManager.SIGNATURE_MATCH) { 6370 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6371 + " signatures don't match existing userdata copy; removing"); 6372 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 6373 ps = null; 6374 } else { 6375 /* 6376 * If the newly-added system app is an older version than the 6377 * already installed version, hide it. It will be scanned later 6378 * and re-added like an update. 6379 */ 6380 if (pkg.mVersionCode <= ps.versionCode) { 6381 shouldHideSystemApp = true; 6382 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6383 + " but new version " + pkg.mVersionCode + " better than installed " 6384 + ps.versionCode + "; hiding system"); 6385 } else { 6386 /* 6387 * The newly found system app is a newer version that the 6388 * one previously installed. Simply remove the 6389 * already-installed application and replace it with our own 6390 * while keeping the application data. 6391 */ 6392 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6393 + " reverting from " + ps.codePathString + ": new version " 6394 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6395 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6396 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6397 synchronized (mInstallLock) { 6398 args.cleanUpResourcesLI(); 6399 } 6400 } 6401 } 6402 } 6403 6404 // The apk is forward locked (not public) if its code and resources 6405 // are kept in different files. (except for app in either system or 6406 // vendor path). 6407 // TODO grab this value from PackageSettings 6408 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6409 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6410 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6411 } 6412 } 6413 6414 // TODO: extend to support forward-locked splits 6415 String resourcePath = null; 6416 String baseResourcePath = null; 6417 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6418 if (ps != null && ps.resourcePathString != null) { 6419 resourcePath = ps.resourcePathString; 6420 baseResourcePath = ps.resourcePathString; 6421 } else { 6422 // Should not happen at all. Just log an error. 6423 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 6424 } 6425 } else { 6426 resourcePath = pkg.codePath; 6427 baseResourcePath = pkg.baseCodePath; 6428 } 6429 6430 // Set application objects path explicitly. 6431 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 6432 pkg.applicationInfo.setCodePath(pkg.codePath); 6433 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 6434 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 6435 pkg.applicationInfo.setResourcePath(resourcePath); 6436 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 6437 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 6438 6439 // Note that we invoke the following method only if we are about to unpack an application 6440 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6441 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6442 6443 /* 6444 * If the system app should be overridden by a previously installed 6445 * data, hide the system app now and let the /data/app scan pick it up 6446 * again. 6447 */ 6448 if (shouldHideSystemApp) { 6449 synchronized (mPackages) { 6450 mSettings.disableSystemPackageLPw(pkg.packageName); 6451 } 6452 } 6453 6454 return scannedPkg; 6455 } 6456 6457 private static String fixProcessName(String defProcessName, 6458 String processName, int uid) { 6459 if (processName == null) { 6460 return defProcessName; 6461 } 6462 return processName; 6463 } 6464 6465 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6466 throws PackageManagerException { 6467 if (pkgSetting.signatures.mSignatures != null) { 6468 // Already existing package. Make sure signatures match 6469 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6470 == PackageManager.SIGNATURE_MATCH; 6471 if (!match) { 6472 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6473 == PackageManager.SIGNATURE_MATCH; 6474 } 6475 if (!match) { 6476 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6477 == PackageManager.SIGNATURE_MATCH; 6478 } 6479 if (!match) { 6480 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6481 + pkg.packageName + " signatures do not match the " 6482 + "previously installed version; ignoring!"); 6483 } 6484 } 6485 6486 // Check for shared user signatures 6487 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6488 // Already existing package. Make sure signatures match 6489 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6490 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6491 if (!match) { 6492 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6493 == PackageManager.SIGNATURE_MATCH; 6494 } 6495 if (!match) { 6496 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6497 == PackageManager.SIGNATURE_MATCH; 6498 } 6499 if (!match) { 6500 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6501 "Package " + pkg.packageName 6502 + " has no signatures that match those in shared user " 6503 + pkgSetting.sharedUser.name + "; ignoring!"); 6504 } 6505 } 6506 } 6507 6508 /** 6509 * Enforces that only the system UID or root's UID can call a method exposed 6510 * via Binder. 6511 * 6512 * @param message used as message if SecurityException is thrown 6513 * @throws SecurityException if the caller is not system or root 6514 */ 6515 private static final void enforceSystemOrRoot(String message) { 6516 final int uid = Binder.getCallingUid(); 6517 if (uid != Process.SYSTEM_UID && uid != 0) { 6518 throw new SecurityException(message); 6519 } 6520 } 6521 6522 @Override 6523 public void performFstrimIfNeeded() { 6524 enforceSystemOrRoot("Only the system can request fstrim"); 6525 6526 // Before everything else, see whether we need to fstrim. 6527 try { 6528 IMountService ms = PackageHelper.getMountService(); 6529 if (ms != null) { 6530 final boolean isUpgrade = isUpgrade(); 6531 boolean doTrim = isUpgrade; 6532 if (doTrim) { 6533 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6534 } else { 6535 final long interval = android.provider.Settings.Global.getLong( 6536 mContext.getContentResolver(), 6537 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6538 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6539 if (interval > 0) { 6540 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6541 if (timeSinceLast > interval) { 6542 doTrim = true; 6543 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6544 + "; running immediately"); 6545 } 6546 } 6547 } 6548 if (doTrim) { 6549 if (!isFirstBoot()) { 6550 try { 6551 ActivityManagerNative.getDefault().showBootMessage( 6552 mContext.getResources().getString( 6553 R.string.android_upgrading_fstrim), true); 6554 } catch (RemoteException e) { 6555 } 6556 } 6557 ms.runMaintenance(); 6558 } 6559 } else { 6560 Slog.e(TAG, "Mount service unavailable!"); 6561 } 6562 } catch (RemoteException e) { 6563 // Can't happen; MountService is local 6564 } 6565 } 6566 6567 private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) { 6568 List<ResolveInfo> ris = null; 6569 try { 6570 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6571 intent, null, 0, userId); 6572 } catch (RemoteException e) { 6573 } 6574 ArraySet<String> pkgNames = new ArraySet<String>(); 6575 if (ris != null) { 6576 for (ResolveInfo ri : ris) { 6577 pkgNames.add(ri.activityInfo.packageName); 6578 } 6579 } 6580 return pkgNames; 6581 } 6582 6583 @Override 6584 public void notifyPackageUse(String packageName) { 6585 synchronized (mPackages) { 6586 PackageParser.Package p = mPackages.get(packageName); 6587 if (p == null) { 6588 return; 6589 } 6590 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6591 } 6592 } 6593 6594 @Override 6595 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6596 return performDexOptTraced(packageName, instructionSet); 6597 } 6598 6599 public boolean performDexOpt(String packageName, String instructionSet) { 6600 return performDexOptTraced(packageName, instructionSet); 6601 } 6602 6603 private boolean performDexOptTraced(String packageName, String instructionSet) { 6604 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6605 try { 6606 return performDexOptInternal(packageName, instructionSet); 6607 } finally { 6608 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6609 } 6610 } 6611 6612 private boolean performDexOptInternal(String packageName, String instructionSet) { 6613 PackageParser.Package p; 6614 final String targetInstructionSet; 6615 synchronized (mPackages) { 6616 p = mPackages.get(packageName); 6617 if (p == null) { 6618 return false; 6619 } 6620 mPackageUsage.write(false); 6621 6622 targetInstructionSet = instructionSet != null ? instructionSet : 6623 getPrimaryInstructionSet(p.applicationInfo); 6624 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6625 return false; 6626 } 6627 } 6628 long callingId = Binder.clearCallingIdentity(); 6629 try { 6630 synchronized (mInstallLock) { 6631 final String[] instructionSets = new String[] { targetInstructionSet }; 6632 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6633 true /* inclDependencies */); 6634 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6635 } 6636 } finally { 6637 Binder.restoreCallingIdentity(callingId); 6638 } 6639 } 6640 6641 public ArraySet<String> getPackagesThatNeedDexOpt() { 6642 ArraySet<String> pkgs = null; 6643 synchronized (mPackages) { 6644 for (PackageParser.Package p : mPackages.values()) { 6645 if (DEBUG_DEXOPT) { 6646 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6647 } 6648 if (!p.mDexOptPerformed.isEmpty()) { 6649 continue; 6650 } 6651 if (pkgs == null) { 6652 pkgs = new ArraySet<String>(); 6653 } 6654 pkgs.add(p.packageName); 6655 } 6656 } 6657 return pkgs; 6658 } 6659 6660 public void shutdown() { 6661 mPackageUsage.write(true); 6662 } 6663 6664 @Override 6665 public void forceDexOpt(String packageName) { 6666 enforceSystemOrRoot("forceDexOpt"); 6667 6668 PackageParser.Package pkg; 6669 synchronized (mPackages) { 6670 pkg = mPackages.get(packageName); 6671 if (pkg == null) { 6672 throw new IllegalArgumentException("Missing package: " + packageName); 6673 } 6674 } 6675 6676 synchronized (mInstallLock) { 6677 final String[] instructionSets = new String[] { 6678 getPrimaryInstructionSet(pkg.applicationInfo) }; 6679 6680 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6681 6682 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6683 true /* inclDependencies */); 6684 6685 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6686 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6687 throw new IllegalStateException("Failed to dexopt: " + res); 6688 } 6689 } 6690 } 6691 6692 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6693 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6694 Slog.w(TAG, "Unable to update from " + oldPkg.name 6695 + " to " + newPkg.packageName 6696 + ": old package not in system partition"); 6697 return false; 6698 } else if (mPackages.get(oldPkg.name) != null) { 6699 Slog.w(TAG, "Unable to update from " + oldPkg.name 6700 + " to " + newPkg.packageName 6701 + ": old package still exists"); 6702 return false; 6703 } 6704 return true; 6705 } 6706 6707 private void createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) 6708 throws PackageManagerException { 6709 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6710 if (res != 0) { 6711 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6712 "Failed to install " + packageName + ": " + res); 6713 } 6714 6715 final int[] users = sUserManager.getUserIds(); 6716 for (int user : users) { 6717 if (user != 0) { 6718 res = mInstaller.createUserData(volumeUuid, packageName, 6719 UserHandle.getUid(user, uid), user, seinfo); 6720 if (res != 0) { 6721 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6722 "Failed to createUserData " + packageName + ": " + res); 6723 } 6724 } 6725 } 6726 } 6727 6728 private int removeDataDirsLI(String volumeUuid, String packageName) { 6729 int[] users = sUserManager.getUserIds(); 6730 int res = 0; 6731 for (int user : users) { 6732 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6733 if (resInner < 0) { 6734 res = resInner; 6735 } 6736 } 6737 6738 return res; 6739 } 6740 6741 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6742 int[] users = sUserManager.getUserIds(); 6743 int res = 0; 6744 for (int user : users) { 6745 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6746 if (resInner < 0) { 6747 res = resInner; 6748 } 6749 } 6750 return res; 6751 } 6752 6753 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6754 PackageParser.Package changingLib) { 6755 if (file.path != null) { 6756 usesLibraryFiles.add(file.path); 6757 return; 6758 } 6759 PackageParser.Package p = mPackages.get(file.apk); 6760 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6761 // If we are doing this while in the middle of updating a library apk, 6762 // then we need to make sure to use that new apk for determining the 6763 // dependencies here. (We haven't yet finished committing the new apk 6764 // to the package manager state.) 6765 if (p == null || p.packageName.equals(changingLib.packageName)) { 6766 p = changingLib; 6767 } 6768 } 6769 if (p != null) { 6770 usesLibraryFiles.addAll(p.getAllCodePaths()); 6771 } 6772 } 6773 6774 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6775 PackageParser.Package changingLib) throws PackageManagerException { 6776 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6777 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6778 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6779 for (int i=0; i<N; i++) { 6780 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6781 if (file == null) { 6782 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6783 "Package " + pkg.packageName + " requires unavailable shared library " 6784 + pkg.usesLibraries.get(i) + "; failing!"); 6785 } 6786 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6787 } 6788 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6789 for (int i=0; i<N; i++) { 6790 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6791 if (file == null) { 6792 Slog.w(TAG, "Package " + pkg.packageName 6793 + " desires unavailable shared library " 6794 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6795 } else { 6796 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6797 } 6798 } 6799 N = usesLibraryFiles.size(); 6800 if (N > 0) { 6801 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6802 } else { 6803 pkg.usesLibraryFiles = null; 6804 } 6805 } 6806 } 6807 6808 private static boolean hasString(List<String> list, List<String> which) { 6809 if (list == null) { 6810 return false; 6811 } 6812 for (int i=list.size()-1; i>=0; i--) { 6813 for (int j=which.size()-1; j>=0; j--) { 6814 if (which.get(j).equals(list.get(i))) { 6815 return true; 6816 } 6817 } 6818 } 6819 return false; 6820 } 6821 6822 private void updateAllSharedLibrariesLPw() { 6823 for (PackageParser.Package pkg : mPackages.values()) { 6824 try { 6825 updateSharedLibrariesLPw(pkg, null); 6826 } catch (PackageManagerException e) { 6827 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6828 } 6829 } 6830 } 6831 6832 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6833 PackageParser.Package changingPkg) { 6834 ArrayList<PackageParser.Package> res = null; 6835 for (PackageParser.Package pkg : mPackages.values()) { 6836 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6837 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6838 if (res == null) { 6839 res = new ArrayList<PackageParser.Package>(); 6840 } 6841 res.add(pkg); 6842 try { 6843 updateSharedLibrariesLPw(pkg, changingPkg); 6844 } catch (PackageManagerException e) { 6845 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6846 } 6847 } 6848 } 6849 return res; 6850 } 6851 6852 /** 6853 * Derive the value of the {@code cpuAbiOverride} based on the provided 6854 * value and an optional stored value from the package settings. 6855 */ 6856 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6857 String cpuAbiOverride = null; 6858 6859 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6860 cpuAbiOverride = null; 6861 } else if (abiOverride != null) { 6862 cpuAbiOverride = abiOverride; 6863 } else if (settings != null) { 6864 cpuAbiOverride = settings.cpuAbiOverrideString; 6865 } 6866 6867 return cpuAbiOverride; 6868 } 6869 6870 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 6871 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6872 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6873 try { 6874 return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 6875 } finally { 6876 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6877 } 6878 } 6879 6880 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6881 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6882 boolean success = false; 6883 try { 6884 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6885 currentTime, user); 6886 success = true; 6887 return res; 6888 } finally { 6889 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6890 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6891 } 6892 } 6893 } 6894 6895 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6896 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6897 final File scanFile = new File(pkg.codePath); 6898 if (pkg.applicationInfo.getCodePath() == null || 6899 pkg.applicationInfo.getResourcePath() == null) { 6900 // Bail out. The resource and code paths haven't been set. 6901 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6902 "Code and resource paths haven't been set correctly"); 6903 } 6904 6905 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6906 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6907 } else { 6908 // Only allow system apps to be flagged as core apps. 6909 pkg.coreApp = false; 6910 } 6911 6912 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6913 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6914 } 6915 6916 if (mCustomResolverComponentName != null && 6917 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6918 setUpCustomResolverActivity(pkg); 6919 } 6920 6921 if (pkg.packageName.equals("android")) { 6922 synchronized (mPackages) { 6923 if (mAndroidApplication != null) { 6924 Slog.w(TAG, "*************************************************"); 6925 Slog.w(TAG, "Core android package being redefined. Skipping."); 6926 Slog.w(TAG, " file=" + scanFile); 6927 Slog.w(TAG, "*************************************************"); 6928 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6929 "Core android package being redefined. Skipping."); 6930 } 6931 6932 // Set up information for our fall-back user intent resolution activity. 6933 mPlatformPackage = pkg; 6934 pkg.mVersionCode = mSdkVersion; 6935 mAndroidApplication = pkg.applicationInfo; 6936 6937 if (!mResolverReplaced) { 6938 mResolveActivity.applicationInfo = mAndroidApplication; 6939 mResolveActivity.name = ResolverActivity.class.getName(); 6940 mResolveActivity.packageName = mAndroidApplication.packageName; 6941 mResolveActivity.processName = "system:ui"; 6942 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6943 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6944 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6945 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6946 mResolveActivity.exported = true; 6947 mResolveActivity.enabled = true; 6948 mResolveInfo.activityInfo = mResolveActivity; 6949 mResolveInfo.priority = 0; 6950 mResolveInfo.preferredOrder = 0; 6951 mResolveInfo.match = 0; 6952 mResolveComponentName = new ComponentName( 6953 mAndroidApplication.packageName, mResolveActivity.name); 6954 } 6955 } 6956 } 6957 6958 if (DEBUG_PACKAGE_SCANNING) { 6959 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6960 Log.d(TAG, "Scanning package " + pkg.packageName); 6961 } 6962 6963 if (mPackages.containsKey(pkg.packageName) 6964 || mSharedLibraries.containsKey(pkg.packageName)) { 6965 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6966 "Application package " + pkg.packageName 6967 + " already installed. Skipping duplicate."); 6968 } 6969 6970 // If we're only installing presumed-existing packages, require that the 6971 // scanned APK is both already known and at the path previously established 6972 // for it. Previously unknown packages we pick up normally, but if we have an 6973 // a priori expectation about this package's install presence, enforce it. 6974 // With a singular exception for new system packages. When an OTA contains 6975 // a new system package, we allow the codepath to change from a system location 6976 // to the user-installed location. If we don't allow this change, any newer, 6977 // user-installed version of the application will be ignored. 6978 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6979 if (mExpectingBetter.containsKey(pkg.packageName)) { 6980 logCriticalInfo(Log.WARN, 6981 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6982 } else { 6983 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6984 if (known != null) { 6985 if (DEBUG_PACKAGE_SCANNING) { 6986 Log.d(TAG, "Examining " + pkg.codePath 6987 + " and requiring known paths " + known.codePathString 6988 + " & " + known.resourcePathString); 6989 } 6990 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6991 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6992 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6993 "Application package " + pkg.packageName 6994 + " found at " + pkg.applicationInfo.getCodePath() 6995 + " but expected at " + known.codePathString + "; ignoring."); 6996 } 6997 } 6998 } 6999 } 7000 7001 // Initialize package source and resource directories 7002 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7003 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7004 7005 SharedUserSetting suid = null; 7006 PackageSetting pkgSetting = null; 7007 7008 if (!isSystemApp(pkg)) { 7009 // Only system apps can use these features. 7010 pkg.mOriginalPackages = null; 7011 pkg.mRealPackage = null; 7012 pkg.mAdoptPermissions = null; 7013 } 7014 7015 // writer 7016 synchronized (mPackages) { 7017 if (pkg.mSharedUserId != null) { 7018 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7019 if (suid == null) { 7020 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7021 "Creating application package " + pkg.packageName 7022 + " for shared user failed"); 7023 } 7024 if (DEBUG_PACKAGE_SCANNING) { 7025 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7026 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7027 + "): packages=" + suid.packages); 7028 } 7029 } 7030 7031 // Check if we are renaming from an original package name. 7032 PackageSetting origPackage = null; 7033 String realName = null; 7034 if (pkg.mOriginalPackages != null) { 7035 // This package may need to be renamed to a previously 7036 // installed name. Let's check on that... 7037 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7038 if (pkg.mOriginalPackages.contains(renamed)) { 7039 // This package had originally been installed as the 7040 // original name, and we have already taken care of 7041 // transitioning to the new one. Just update the new 7042 // one to continue using the old name. 7043 realName = pkg.mRealPackage; 7044 if (!pkg.packageName.equals(renamed)) { 7045 // Callers into this function may have already taken 7046 // care of renaming the package; only do it here if 7047 // it is not already done. 7048 pkg.setPackageName(renamed); 7049 } 7050 7051 } else { 7052 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7053 if ((origPackage = mSettings.peekPackageLPr( 7054 pkg.mOriginalPackages.get(i))) != null) { 7055 // We do have the package already installed under its 7056 // original name... should we use it? 7057 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7058 // New package is not compatible with original. 7059 origPackage = null; 7060 continue; 7061 } else if (origPackage.sharedUser != null) { 7062 // Make sure uid is compatible between packages. 7063 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7064 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7065 + " to " + pkg.packageName + ": old uid " 7066 + origPackage.sharedUser.name 7067 + " differs from " + pkg.mSharedUserId); 7068 origPackage = null; 7069 continue; 7070 } 7071 } else { 7072 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7073 + pkg.packageName + " to old name " + origPackage.name); 7074 } 7075 break; 7076 } 7077 } 7078 } 7079 } 7080 7081 if (mTransferedPackages.contains(pkg.packageName)) { 7082 Slog.w(TAG, "Package " + pkg.packageName 7083 + " was transferred to another, but its .apk remains"); 7084 } 7085 7086 // Just create the setting, don't add it yet. For already existing packages 7087 // the PkgSetting exists already and doesn't have to be created. 7088 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7089 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7090 pkg.applicationInfo.primaryCpuAbi, 7091 pkg.applicationInfo.secondaryCpuAbi, 7092 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7093 user, false); 7094 if (pkgSetting == null) { 7095 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7096 "Creating application package " + pkg.packageName + " failed"); 7097 } 7098 7099 if (pkgSetting.origPackage != null) { 7100 // If we are first transitioning from an original package, 7101 // fix up the new package's name now. We need to do this after 7102 // looking up the package under its new name, so getPackageLP 7103 // can take care of fiddling things correctly. 7104 pkg.setPackageName(origPackage.name); 7105 7106 // File a report about this. 7107 String msg = "New package " + pkgSetting.realName 7108 + " renamed to replace old package " + pkgSetting.name; 7109 reportSettingsProblem(Log.WARN, msg); 7110 7111 // Make a note of it. 7112 mTransferedPackages.add(origPackage.name); 7113 7114 // No longer need to retain this. 7115 pkgSetting.origPackage = null; 7116 } 7117 7118 if (realName != null) { 7119 // Make a note of it. 7120 mTransferedPackages.add(pkg.packageName); 7121 } 7122 7123 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7124 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7125 } 7126 7127 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7128 // Check all shared libraries and map to their actual file path. 7129 // We only do this here for apps not on a system dir, because those 7130 // are the only ones that can fail an install due to this. We 7131 // will take care of the system apps by updating all of their 7132 // library paths after the scan is done. 7133 updateSharedLibrariesLPw(pkg, null); 7134 } 7135 7136 if (mFoundPolicyFile) { 7137 SELinuxMMAC.assignSeinfoValue(pkg); 7138 } 7139 7140 pkg.applicationInfo.uid = pkgSetting.appId; 7141 pkg.mExtras = pkgSetting; 7142 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7143 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7144 // We just determined the app is signed correctly, so bring 7145 // over the latest parsed certs. 7146 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7147 } else { 7148 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7149 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7150 "Package " + pkg.packageName + " upgrade keys do not match the " 7151 + "previously installed version"); 7152 } else { 7153 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7154 String msg = "System package " + pkg.packageName 7155 + " signature changed; retaining data."; 7156 reportSettingsProblem(Log.WARN, msg); 7157 } 7158 } 7159 } else { 7160 try { 7161 verifySignaturesLP(pkgSetting, pkg); 7162 // We just determined the app is signed correctly, so bring 7163 // over the latest parsed certs. 7164 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7165 } catch (PackageManagerException e) { 7166 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7167 throw e; 7168 } 7169 // The signature has changed, but this package is in the system 7170 // image... let's recover! 7171 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7172 // However... if this package is part of a shared user, but it 7173 // doesn't match the signature of the shared user, let's fail. 7174 // What this means is that you can't change the signatures 7175 // associated with an overall shared user, which doesn't seem all 7176 // that unreasonable. 7177 if (pkgSetting.sharedUser != null) { 7178 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7179 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7180 throw new PackageManagerException( 7181 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7182 "Signature mismatch for shared user : " 7183 + pkgSetting.sharedUser); 7184 } 7185 } 7186 // File a report about this. 7187 String msg = "System package " + pkg.packageName 7188 + " signature changed; retaining data."; 7189 reportSettingsProblem(Log.WARN, msg); 7190 } 7191 } 7192 // Verify that this new package doesn't have any content providers 7193 // that conflict with existing packages. Only do this if the 7194 // package isn't already installed, since we don't want to break 7195 // things that are installed. 7196 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7197 final int N = pkg.providers.size(); 7198 int i; 7199 for (i=0; i<N; i++) { 7200 PackageParser.Provider p = pkg.providers.get(i); 7201 if (p.info.authority != null) { 7202 String names[] = p.info.authority.split(";"); 7203 for (int j = 0; j < names.length; j++) { 7204 if (mProvidersByAuthority.containsKey(names[j])) { 7205 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7206 final String otherPackageName = 7207 ((other != null && other.getComponentName() != null) ? 7208 other.getComponentName().getPackageName() : "?"); 7209 throw new PackageManagerException( 7210 INSTALL_FAILED_CONFLICTING_PROVIDER, 7211 "Can't install because provider name " + names[j] 7212 + " (in package " + pkg.applicationInfo.packageName 7213 + ") is already used by " + otherPackageName); 7214 } 7215 } 7216 } 7217 } 7218 } 7219 7220 if (pkg.mAdoptPermissions != null) { 7221 // This package wants to adopt ownership of permissions from 7222 // another package. 7223 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7224 final String origName = pkg.mAdoptPermissions.get(i); 7225 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7226 if (orig != null) { 7227 if (verifyPackageUpdateLPr(orig, pkg)) { 7228 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7229 + pkg.packageName); 7230 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7231 } 7232 } 7233 } 7234 } 7235 } 7236 7237 final String pkgName = pkg.packageName; 7238 7239 final long scanFileTime = scanFile.lastModified(); 7240 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7241 pkg.applicationInfo.processName = fixProcessName( 7242 pkg.applicationInfo.packageName, 7243 pkg.applicationInfo.processName, 7244 pkg.applicationInfo.uid); 7245 7246 if (pkg != mPlatformPackage) { 7247 // This is a normal package, need to make its data directory. 7248 final File dataPath = Environment.getDataUserCredentialEncryptedPackageDirectory( 7249 pkg.volumeUuid, UserHandle.USER_SYSTEM, pkg.packageName); 7250 7251 boolean uidError = false; 7252 if (dataPath.exists()) { 7253 int currentUid = 0; 7254 try { 7255 StructStat stat = Os.stat(dataPath.getPath()); 7256 currentUid = stat.st_uid; 7257 } catch (ErrnoException e) { 7258 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 7259 } 7260 7261 // If we have mismatched owners for the data path, we have a problem. 7262 if (currentUid != pkg.applicationInfo.uid) { 7263 boolean recovered = false; 7264 if (currentUid == 0) { 7265 // The directory somehow became owned by root. Wow. 7266 // This is probably because the system was stopped while 7267 // installd was in the middle of messing with its libs 7268 // directory. Ask installd to fix that. 7269 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 7270 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 7271 if (ret >= 0) { 7272 recovered = true; 7273 String msg = "Package " + pkg.packageName 7274 + " unexpectedly changed to uid 0; recovered to " + 7275 + pkg.applicationInfo.uid; 7276 reportSettingsProblem(Log.WARN, msg); 7277 } 7278 } 7279 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7280 || (scanFlags&SCAN_BOOTING) != 0)) { 7281 // If this is a system app, we can at least delete its 7282 // current data so the application will still work. 7283 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 7284 if (ret >= 0) { 7285 // TODO: Kill the processes first 7286 // Old data gone! 7287 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7288 ? "System package " : "Third party package "; 7289 String msg = prefix + pkg.packageName 7290 + " has changed from uid: " 7291 + currentUid + " to " 7292 + pkg.applicationInfo.uid + "; old data erased"; 7293 reportSettingsProblem(Log.WARN, msg); 7294 recovered = true; 7295 } 7296 if (!recovered) { 7297 mHasSystemUidErrors = true; 7298 } 7299 } else if (!recovered) { 7300 // If we allow this install to proceed, we will be broken. 7301 // Abort, abort! 7302 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 7303 "scanPackageLI"); 7304 } 7305 if (!recovered) { 7306 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 7307 + pkg.applicationInfo.uid + "/fs_" 7308 + currentUid; 7309 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 7310 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 7311 String msg = "Package " + pkg.packageName 7312 + " has mismatched uid: " 7313 + currentUid + " on disk, " 7314 + pkg.applicationInfo.uid + " in settings"; 7315 // writer 7316 synchronized (mPackages) { 7317 mSettings.mReadMessages.append(msg); 7318 mSettings.mReadMessages.append('\n'); 7319 uidError = true; 7320 if (!pkgSetting.uidError) { 7321 reportSettingsProblem(Log.ERROR, msg); 7322 } 7323 } 7324 } 7325 } 7326 7327 // Ensure that directories are prepared 7328 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7329 pkg.applicationInfo.seinfo); 7330 7331 if (mShouldRestoreconData) { 7332 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 7333 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 7334 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 7335 } 7336 } else { 7337 if (DEBUG_PACKAGE_SCANNING) { 7338 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7339 Log.v(TAG, "Want this data dir: " + dataPath); 7340 } 7341 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7342 pkg.applicationInfo.seinfo); 7343 } 7344 7345 // Get all of our default paths setup 7346 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7347 7348 pkgSetting.uidError = uidError; 7349 } 7350 7351 final String path = scanFile.getPath(); 7352 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7353 7354 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7355 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7356 7357 // Some system apps still use directory structure for native libraries 7358 // in which case we might end up not detecting abi solely based on apk 7359 // structure. Try to detect abi based on directory structure. 7360 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7361 pkg.applicationInfo.primaryCpuAbi == null) { 7362 setBundledAppAbisAndRoots(pkg, pkgSetting); 7363 setNativeLibraryPaths(pkg); 7364 } 7365 7366 } else { 7367 if ((scanFlags & SCAN_MOVE) != 0) { 7368 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7369 // but we already have this packages package info in the PackageSetting. We just 7370 // use that and derive the native library path based on the new codepath. 7371 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7372 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7373 } 7374 7375 // Set native library paths again. For moves, the path will be updated based on the 7376 // ABIs we've determined above. For non-moves, the path will be updated based on the 7377 // ABIs we determined during compilation, but the path will depend on the final 7378 // package path (after the rename away from the stage path). 7379 setNativeLibraryPaths(pkg); 7380 } 7381 7382 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 7383 final int[] userIds = sUserManager.getUserIds(); 7384 synchronized (mInstallLock) { 7385 // Make sure all user data directories are ready to roll; we're okay 7386 // if they already exist 7387 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 7388 for (int userId : userIds) { 7389 if (userId != UserHandle.USER_SYSTEM) { 7390 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 7391 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 7392 pkg.applicationInfo.seinfo); 7393 } 7394 } 7395 } 7396 7397 // Create a native library symlink only if we have native libraries 7398 // and if the native libraries are 32 bit libraries. We do not provide 7399 // this symlink for 64 bit libraries. 7400 if (pkg.applicationInfo.primaryCpuAbi != null && 7401 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7402 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "linkNativeLib"); 7403 try { 7404 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7405 for (int userId : userIds) { 7406 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7407 nativeLibPath, userId) < 0) { 7408 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7409 "Failed linking native library dir (user=" + userId + ")"); 7410 } 7411 } 7412 } finally { 7413 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7414 } 7415 } 7416 } 7417 7418 // This is a special case for the "system" package, where the ABI is 7419 // dictated by the zygote configuration (and init.rc). We should keep track 7420 // of this ABI so that we can deal with "normal" applications that run under 7421 // the same UID correctly. 7422 if (mPlatformPackage == pkg) { 7423 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7424 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7425 } 7426 7427 // If there's a mismatch between the abi-override in the package setting 7428 // and the abiOverride specified for the install. Warn about this because we 7429 // would've already compiled the app without taking the package setting into 7430 // account. 7431 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7432 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7433 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7434 " for package: " + pkg.packageName); 7435 } 7436 } 7437 7438 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7439 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7440 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7441 7442 // Copy the derived override back to the parsed package, so that we can 7443 // update the package settings accordingly. 7444 pkg.cpuAbiOverride = cpuAbiOverride; 7445 7446 if (DEBUG_ABI_SELECTION) { 7447 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7448 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7449 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7450 } 7451 7452 // Push the derived path down into PackageSettings so we know what to 7453 // clean up at uninstall time. 7454 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7455 7456 if (DEBUG_ABI_SELECTION) { 7457 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7458 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7459 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7460 } 7461 7462 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7463 // We don't do this here during boot because we can do it all 7464 // at once after scanning all existing packages. 7465 // 7466 // We also do this *before* we perform dexopt on this package, so that 7467 // we can avoid redundant dexopts, and also to make sure we've got the 7468 // code and package path correct. 7469 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7470 pkg, true /* boot complete */); 7471 } 7472 7473 if (mFactoryTest && pkg.requestedPermissions.contains( 7474 android.Manifest.permission.FACTORY_TEST)) { 7475 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7476 } 7477 7478 ArrayList<PackageParser.Package> clientLibPkgs = null; 7479 7480 // writer 7481 synchronized (mPackages) { 7482 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7483 // Only system apps can add new shared libraries. 7484 if (pkg.libraryNames != null) { 7485 for (int i=0; i<pkg.libraryNames.size(); i++) { 7486 String name = pkg.libraryNames.get(i); 7487 boolean allowed = false; 7488 if (pkg.isUpdatedSystemApp()) { 7489 // New library entries can only be added through the 7490 // system image. This is important to get rid of a lot 7491 // of nasty edge cases: for example if we allowed a non- 7492 // system update of the app to add a library, then uninstalling 7493 // the update would make the library go away, and assumptions 7494 // we made such as through app install filtering would now 7495 // have allowed apps on the device which aren't compatible 7496 // with it. Better to just have the restriction here, be 7497 // conservative, and create many fewer cases that can negatively 7498 // impact the user experience. 7499 final PackageSetting sysPs = mSettings 7500 .getDisabledSystemPkgLPr(pkg.packageName); 7501 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7502 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7503 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7504 allowed = true; 7505 break; 7506 } 7507 } 7508 } 7509 } else { 7510 allowed = true; 7511 } 7512 if (allowed) { 7513 if (!mSharedLibraries.containsKey(name)) { 7514 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7515 } else if (!name.equals(pkg.packageName)) { 7516 Slog.w(TAG, "Package " + pkg.packageName + " library " 7517 + name + " already exists; skipping"); 7518 } 7519 } else { 7520 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7521 + name + " that is not declared on system image; skipping"); 7522 } 7523 } 7524 if ((scanFlags & SCAN_BOOTING) == 0) { 7525 // If we are not booting, we need to update any applications 7526 // that are clients of our shared library. If we are booting, 7527 // this will all be done once the scan is complete. 7528 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7529 } 7530 } 7531 } 7532 } 7533 7534 // Request the ActivityManager to kill the process(only for existing packages) 7535 // so that we do not end up in a confused state while the user is still using the older 7536 // version of the application while the new one gets installed. 7537 if ((scanFlags & SCAN_REPLACING) != 0) { 7538 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7539 7540 killApplication(pkg.applicationInfo.packageName, 7541 pkg.applicationInfo.uid, "replace pkg"); 7542 7543 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7544 } 7545 7546 // Also need to kill any apps that are dependent on the library. 7547 if (clientLibPkgs != null) { 7548 for (int i=0; i<clientLibPkgs.size(); i++) { 7549 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7550 killApplication(clientPkg.applicationInfo.packageName, 7551 clientPkg.applicationInfo.uid, "update lib"); 7552 } 7553 } 7554 7555 // Make sure we're not adding any bogus keyset info 7556 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7557 ksms.assertScannedPackageValid(pkg); 7558 7559 // writer 7560 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7561 7562 boolean createIdmapFailed = false; 7563 synchronized (mPackages) { 7564 // We don't expect installation to fail beyond this point 7565 7566 // Add the new setting to mSettings 7567 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7568 // Add the new setting to mPackages 7569 mPackages.put(pkg.applicationInfo.packageName, pkg); 7570 // Make sure we don't accidentally delete its data. 7571 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7572 while (iter.hasNext()) { 7573 PackageCleanItem item = iter.next(); 7574 if (pkgName.equals(item.packageName)) { 7575 iter.remove(); 7576 } 7577 } 7578 7579 // Take care of first install / last update times. 7580 if (currentTime != 0) { 7581 if (pkgSetting.firstInstallTime == 0) { 7582 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7583 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7584 pkgSetting.lastUpdateTime = currentTime; 7585 } 7586 } else if (pkgSetting.firstInstallTime == 0) { 7587 // We need *something*. Take time time stamp of the file. 7588 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7589 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7590 if (scanFileTime != pkgSetting.timeStamp) { 7591 // A package on the system image has changed; consider this 7592 // to be an update. 7593 pkgSetting.lastUpdateTime = scanFileTime; 7594 } 7595 } 7596 7597 // Add the package's KeySets to the global KeySetManagerService 7598 ksms.addScannedPackageLPw(pkg); 7599 7600 int N = pkg.providers.size(); 7601 StringBuilder r = null; 7602 int i; 7603 for (i=0; i<N; i++) { 7604 PackageParser.Provider p = pkg.providers.get(i); 7605 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7606 p.info.processName, pkg.applicationInfo.uid); 7607 mProviders.addProvider(p); 7608 p.syncable = p.info.isSyncable; 7609 if (p.info.authority != null) { 7610 String names[] = p.info.authority.split(";"); 7611 p.info.authority = null; 7612 for (int j = 0; j < names.length; j++) { 7613 if (j == 1 && p.syncable) { 7614 // We only want the first authority for a provider to possibly be 7615 // syncable, so if we already added this provider using a different 7616 // authority clear the syncable flag. We copy the provider before 7617 // changing it because the mProviders object contains a reference 7618 // to a provider that we don't want to change. 7619 // Only do this for the second authority since the resulting provider 7620 // object can be the same for all future authorities for this provider. 7621 p = new PackageParser.Provider(p); 7622 p.syncable = false; 7623 } 7624 if (!mProvidersByAuthority.containsKey(names[j])) { 7625 mProvidersByAuthority.put(names[j], p); 7626 if (p.info.authority == null) { 7627 p.info.authority = names[j]; 7628 } else { 7629 p.info.authority = p.info.authority + ";" + names[j]; 7630 } 7631 if (DEBUG_PACKAGE_SCANNING) { 7632 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7633 Log.d(TAG, "Registered content provider: " + names[j] 7634 + ", className = " + p.info.name + ", isSyncable = " 7635 + p.info.isSyncable); 7636 } 7637 } else { 7638 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7639 Slog.w(TAG, "Skipping provider name " + names[j] + 7640 " (in package " + pkg.applicationInfo.packageName + 7641 "): name already used by " 7642 + ((other != null && other.getComponentName() != null) 7643 ? other.getComponentName().getPackageName() : "?")); 7644 } 7645 } 7646 } 7647 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7648 if (r == null) { 7649 r = new StringBuilder(256); 7650 } else { 7651 r.append(' '); 7652 } 7653 r.append(p.info.name); 7654 } 7655 } 7656 if (r != null) { 7657 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7658 } 7659 7660 N = pkg.services.size(); 7661 r = null; 7662 for (i=0; i<N; i++) { 7663 PackageParser.Service s = pkg.services.get(i); 7664 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7665 s.info.processName, pkg.applicationInfo.uid); 7666 mServices.addService(s); 7667 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7668 if (r == null) { 7669 r = new StringBuilder(256); 7670 } else { 7671 r.append(' '); 7672 } 7673 r.append(s.info.name); 7674 } 7675 } 7676 if (r != null) { 7677 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7678 } 7679 7680 N = pkg.receivers.size(); 7681 r = null; 7682 for (i=0; i<N; i++) { 7683 PackageParser.Activity a = pkg.receivers.get(i); 7684 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7685 a.info.processName, pkg.applicationInfo.uid); 7686 mReceivers.addActivity(a, "receiver"); 7687 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7688 if (r == null) { 7689 r = new StringBuilder(256); 7690 } else { 7691 r.append(' '); 7692 } 7693 r.append(a.info.name); 7694 } 7695 } 7696 if (r != null) { 7697 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7698 } 7699 7700 N = pkg.activities.size(); 7701 r = null; 7702 for (i=0; i<N; i++) { 7703 PackageParser.Activity a = pkg.activities.get(i); 7704 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7705 a.info.processName, pkg.applicationInfo.uid); 7706 mActivities.addActivity(a, "activity"); 7707 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7708 if (r == null) { 7709 r = new StringBuilder(256); 7710 } else { 7711 r.append(' '); 7712 } 7713 r.append(a.info.name); 7714 } 7715 } 7716 if (r != null) { 7717 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7718 } 7719 7720 N = pkg.permissionGroups.size(); 7721 r = null; 7722 for (i=0; i<N; i++) { 7723 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7724 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7725 if (cur == null) { 7726 mPermissionGroups.put(pg.info.name, pg); 7727 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7728 if (r == null) { 7729 r = new StringBuilder(256); 7730 } else { 7731 r.append(' '); 7732 } 7733 r.append(pg.info.name); 7734 } 7735 } else { 7736 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7737 + pg.info.packageName + " ignored: original from " 7738 + cur.info.packageName); 7739 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7740 if (r == null) { 7741 r = new StringBuilder(256); 7742 } else { 7743 r.append(' '); 7744 } 7745 r.append("DUP:"); 7746 r.append(pg.info.name); 7747 } 7748 } 7749 } 7750 if (r != null) { 7751 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7752 } 7753 7754 N = pkg.permissions.size(); 7755 r = null; 7756 for (i=0; i<N; i++) { 7757 PackageParser.Permission p = pkg.permissions.get(i); 7758 7759 // Assume by default that we did not install this permission into the system. 7760 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7761 7762 // Now that permission groups have a special meaning, we ignore permission 7763 // groups for legacy apps to prevent unexpected behavior. In particular, 7764 // permissions for one app being granted to someone just becuase they happen 7765 // to be in a group defined by another app (before this had no implications). 7766 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7767 p.group = mPermissionGroups.get(p.info.group); 7768 // Warn for a permission in an unknown group. 7769 if (p.info.group != null && p.group == null) { 7770 Slog.w(TAG, "Permission " + p.info.name + " from package " 7771 + p.info.packageName + " in an unknown group " + p.info.group); 7772 } 7773 } 7774 7775 ArrayMap<String, BasePermission> permissionMap = 7776 p.tree ? mSettings.mPermissionTrees 7777 : mSettings.mPermissions; 7778 BasePermission bp = permissionMap.get(p.info.name); 7779 7780 // Allow system apps to redefine non-system permissions 7781 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7782 final boolean currentOwnerIsSystem = (bp.perm != null 7783 && isSystemApp(bp.perm.owner)); 7784 if (isSystemApp(p.owner)) { 7785 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7786 // It's a built-in permission and no owner, take ownership now 7787 bp.packageSetting = pkgSetting; 7788 bp.perm = p; 7789 bp.uid = pkg.applicationInfo.uid; 7790 bp.sourcePackage = p.info.packageName; 7791 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7792 } else if (!currentOwnerIsSystem) { 7793 String msg = "New decl " + p.owner + " of permission " 7794 + p.info.name + " is system; overriding " + bp.sourcePackage; 7795 reportSettingsProblem(Log.WARN, msg); 7796 bp = null; 7797 } 7798 } 7799 } 7800 7801 if (bp == null) { 7802 bp = new BasePermission(p.info.name, p.info.packageName, 7803 BasePermission.TYPE_NORMAL); 7804 permissionMap.put(p.info.name, bp); 7805 } 7806 7807 if (bp.perm == null) { 7808 if (bp.sourcePackage == null 7809 || bp.sourcePackage.equals(p.info.packageName)) { 7810 BasePermission tree = findPermissionTreeLP(p.info.name); 7811 if (tree == null 7812 || tree.sourcePackage.equals(p.info.packageName)) { 7813 bp.packageSetting = pkgSetting; 7814 bp.perm = p; 7815 bp.uid = pkg.applicationInfo.uid; 7816 bp.sourcePackage = p.info.packageName; 7817 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7818 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7819 if (r == null) { 7820 r = new StringBuilder(256); 7821 } else { 7822 r.append(' '); 7823 } 7824 r.append(p.info.name); 7825 } 7826 } else { 7827 Slog.w(TAG, "Permission " + p.info.name + " from package " 7828 + p.info.packageName + " ignored: base tree " 7829 + tree.name + " is from package " 7830 + tree.sourcePackage); 7831 } 7832 } else { 7833 Slog.w(TAG, "Permission " + p.info.name + " from package " 7834 + p.info.packageName + " ignored: original from " 7835 + bp.sourcePackage); 7836 } 7837 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7838 if (r == null) { 7839 r = new StringBuilder(256); 7840 } else { 7841 r.append(' '); 7842 } 7843 r.append("DUP:"); 7844 r.append(p.info.name); 7845 } 7846 if (bp.perm == p) { 7847 bp.protectionLevel = p.info.protectionLevel; 7848 } 7849 } 7850 7851 if (r != null) { 7852 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7853 } 7854 7855 N = pkg.instrumentation.size(); 7856 r = null; 7857 for (i=0; i<N; i++) { 7858 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7859 a.info.packageName = pkg.applicationInfo.packageName; 7860 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7861 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7862 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7863 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7864 a.info.dataDir = pkg.applicationInfo.dataDir; 7865 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 7866 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 7867 7868 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7869 // need other information about the application, like the ABI and what not ? 7870 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7871 mInstrumentation.put(a.getComponentName(), a); 7872 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7873 if (r == null) { 7874 r = new StringBuilder(256); 7875 } else { 7876 r.append(' '); 7877 } 7878 r.append(a.info.name); 7879 } 7880 } 7881 if (r != null) { 7882 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7883 } 7884 7885 if (pkg.protectedBroadcasts != null) { 7886 N = pkg.protectedBroadcasts.size(); 7887 for (i=0; i<N; i++) { 7888 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7889 } 7890 } 7891 7892 pkgSetting.setTimeStamp(scanFileTime); 7893 7894 // Create idmap files for pairs of (packages, overlay packages). 7895 // Note: "android", ie framework-res.apk, is handled by native layers. 7896 if (pkg.mOverlayTarget != null) { 7897 // This is an overlay package. 7898 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7899 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7900 mOverlays.put(pkg.mOverlayTarget, 7901 new ArrayMap<String, PackageParser.Package>()); 7902 } 7903 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7904 map.put(pkg.packageName, pkg); 7905 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7906 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7907 createIdmapFailed = true; 7908 } 7909 } 7910 } else if (mOverlays.containsKey(pkg.packageName) && 7911 !pkg.packageName.equals("android")) { 7912 // This is a regular package, with one or more known overlay packages. 7913 createIdmapsForPackageLI(pkg); 7914 } 7915 } 7916 7917 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7918 7919 if (createIdmapFailed) { 7920 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7921 "scanPackageLI failed to createIdmap"); 7922 } 7923 return pkg; 7924 } 7925 7926 /** 7927 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7928 * is derived purely on the basis of the contents of {@code scanFile} and 7929 * {@code cpuAbiOverride}. 7930 * 7931 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7932 */ 7933 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7934 String cpuAbiOverride, boolean extractLibs) 7935 throws PackageManagerException { 7936 // TODO: We can probably be smarter about this stuff. For installed apps, 7937 // we can calculate this information at install time once and for all. For 7938 // system apps, we can probably assume that this information doesn't change 7939 // after the first boot scan. As things stand, we do lots of unnecessary work. 7940 7941 // Give ourselves some initial paths; we'll come back for another 7942 // pass once we've determined ABI below. 7943 setNativeLibraryPaths(pkg); 7944 7945 // We would never need to extract libs for forward-locked and external packages, 7946 // since the container service will do it for us. We shouldn't attempt to 7947 // extract libs from system app when it was not updated. 7948 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 7949 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 7950 extractLibs = false; 7951 } 7952 7953 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7954 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7955 7956 NativeLibraryHelper.Handle handle = null; 7957 try { 7958 handle = NativeLibraryHelper.Handle.create(pkg); 7959 // TODO(multiArch): This can be null for apps that didn't go through the 7960 // usual installation process. We can calculate it again, like we 7961 // do during install time. 7962 // 7963 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7964 // unnecessary. 7965 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7966 7967 // Null out the abis so that they can be recalculated. 7968 pkg.applicationInfo.primaryCpuAbi = null; 7969 pkg.applicationInfo.secondaryCpuAbi = null; 7970 if (isMultiArch(pkg.applicationInfo)) { 7971 // Warn if we've set an abiOverride for multi-lib packages.. 7972 // By definition, we need to copy both 32 and 64 bit libraries for 7973 // such packages. 7974 if (pkg.cpuAbiOverride != null 7975 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7976 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7977 } 7978 7979 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7980 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7981 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7982 if (extractLibs) { 7983 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7984 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7985 useIsaSpecificSubdirs); 7986 } else { 7987 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7988 } 7989 } 7990 7991 maybeThrowExceptionForMultiArchCopy( 7992 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7993 7994 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7995 if (extractLibs) { 7996 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7997 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7998 useIsaSpecificSubdirs); 7999 } else { 8000 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8001 } 8002 } 8003 8004 maybeThrowExceptionForMultiArchCopy( 8005 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8006 8007 if (abi64 >= 0) { 8008 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8009 } 8010 8011 if (abi32 >= 0) { 8012 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8013 if (abi64 >= 0) { 8014 pkg.applicationInfo.secondaryCpuAbi = abi; 8015 } else { 8016 pkg.applicationInfo.primaryCpuAbi = abi; 8017 } 8018 } 8019 } else { 8020 String[] abiList = (cpuAbiOverride != null) ? 8021 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8022 8023 // Enable gross and lame hacks for apps that are built with old 8024 // SDK tools. We must scan their APKs for renderscript bitcode and 8025 // not launch them if it's present. Don't bother checking on devices 8026 // that don't have 64 bit support. 8027 boolean needsRenderScriptOverride = false; 8028 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8029 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8030 abiList = Build.SUPPORTED_32_BIT_ABIS; 8031 needsRenderScriptOverride = true; 8032 } 8033 8034 final int copyRet; 8035 if (extractLibs) { 8036 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8037 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8038 } else { 8039 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8040 } 8041 8042 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8043 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8044 "Error unpackaging native libs for app, errorCode=" + copyRet); 8045 } 8046 8047 if (copyRet >= 0) { 8048 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8049 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8050 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8051 } else if (needsRenderScriptOverride) { 8052 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8053 } 8054 } 8055 } catch (IOException ioe) { 8056 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8057 } finally { 8058 IoUtils.closeQuietly(handle); 8059 } 8060 8061 // Now that we've calculated the ABIs and determined if it's an internal app, 8062 // we will go ahead and populate the nativeLibraryPath. 8063 setNativeLibraryPaths(pkg); 8064 } 8065 8066 /** 8067 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8068 * i.e, so that all packages can be run inside a single process if required. 8069 * 8070 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8071 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8072 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8073 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8074 * updating a package that belongs to a shared user. 8075 * 8076 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8077 * adds unnecessary complexity. 8078 */ 8079 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8080 PackageParser.Package scannedPackage, boolean bootComplete) { 8081 String requiredInstructionSet = null; 8082 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8083 requiredInstructionSet = VMRuntime.getInstructionSet( 8084 scannedPackage.applicationInfo.primaryCpuAbi); 8085 } 8086 8087 PackageSetting requirer = null; 8088 for (PackageSetting ps : packagesForUser) { 8089 // If packagesForUser contains scannedPackage, we skip it. This will happen 8090 // when scannedPackage is an update of an existing package. Without this check, 8091 // we will never be able to change the ABI of any package belonging to a shared 8092 // user, even if it's compatible with other packages. 8093 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8094 if (ps.primaryCpuAbiString == null) { 8095 continue; 8096 } 8097 8098 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8099 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8100 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8101 // this but there's not much we can do. 8102 String errorMessage = "Instruction set mismatch, " 8103 + ((requirer == null) ? "[caller]" : requirer) 8104 + " requires " + requiredInstructionSet + " whereas " + ps 8105 + " requires " + instructionSet; 8106 Slog.w(TAG, errorMessage); 8107 } 8108 8109 if (requiredInstructionSet == null) { 8110 requiredInstructionSet = instructionSet; 8111 requirer = ps; 8112 } 8113 } 8114 } 8115 8116 if (requiredInstructionSet != null) { 8117 String adjustedAbi; 8118 if (requirer != null) { 8119 // requirer != null implies that either scannedPackage was null or that scannedPackage 8120 // did not require an ABI, in which case we have to adjust scannedPackage to match 8121 // the ABI of the set (which is the same as requirer's ABI) 8122 adjustedAbi = requirer.primaryCpuAbiString; 8123 if (scannedPackage != null) { 8124 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8125 } 8126 } else { 8127 // requirer == null implies that we're updating all ABIs in the set to 8128 // match scannedPackage. 8129 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8130 } 8131 8132 for (PackageSetting ps : packagesForUser) { 8133 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8134 if (ps.primaryCpuAbiString != null) { 8135 continue; 8136 } 8137 8138 ps.primaryCpuAbiString = adjustedAbi; 8139 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 8140 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8141 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 8142 mInstaller.rmdex(ps.codePathString, 8143 getDexCodeInstructionSet(getPreferredInstructionSet())); 8144 } 8145 } 8146 } 8147 } 8148 } 8149 8150 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8151 synchronized (mPackages) { 8152 mResolverReplaced = true; 8153 // Set up information for custom user intent resolution activity. 8154 mResolveActivity.applicationInfo = pkg.applicationInfo; 8155 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8156 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8157 mResolveActivity.processName = pkg.applicationInfo.packageName; 8158 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8159 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8160 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8161 mResolveActivity.theme = 0; 8162 mResolveActivity.exported = true; 8163 mResolveActivity.enabled = true; 8164 mResolveInfo.activityInfo = mResolveActivity; 8165 mResolveInfo.priority = 0; 8166 mResolveInfo.preferredOrder = 0; 8167 mResolveInfo.match = 0; 8168 mResolveComponentName = mCustomResolverComponentName; 8169 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8170 mResolveComponentName); 8171 } 8172 } 8173 8174 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8175 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8176 8177 // Set up information for ephemeral installer activity 8178 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8179 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8180 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8181 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8182 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8183 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8184 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8185 mEphemeralInstallerActivity.theme = 0; 8186 mEphemeralInstallerActivity.exported = true; 8187 mEphemeralInstallerActivity.enabled = true; 8188 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8189 mEphemeralInstallerInfo.priority = 0; 8190 mEphemeralInstallerInfo.preferredOrder = 0; 8191 mEphemeralInstallerInfo.match = 0; 8192 8193 if (DEBUG_EPHEMERAL) { 8194 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8195 } 8196 } 8197 8198 private static String calculateBundledApkRoot(final String codePathString) { 8199 final File codePath = new File(codePathString); 8200 final File codeRoot; 8201 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8202 codeRoot = Environment.getRootDirectory(); 8203 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8204 codeRoot = Environment.getOemDirectory(); 8205 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8206 codeRoot = Environment.getVendorDirectory(); 8207 } else { 8208 // Unrecognized code path; take its top real segment as the apk root: 8209 // e.g. /something/app/blah.apk => /something 8210 try { 8211 File f = codePath.getCanonicalFile(); 8212 File parent = f.getParentFile(); // non-null because codePath is a file 8213 File tmp; 8214 while ((tmp = parent.getParentFile()) != null) { 8215 f = parent; 8216 parent = tmp; 8217 } 8218 codeRoot = f; 8219 Slog.w(TAG, "Unrecognized code path " 8220 + codePath + " - using " + codeRoot); 8221 } catch (IOException e) { 8222 // Can't canonicalize the code path -- shenanigans? 8223 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8224 return Environment.getRootDirectory().getPath(); 8225 } 8226 } 8227 return codeRoot.getPath(); 8228 } 8229 8230 /** 8231 * Derive and set the location of native libraries for the given package, 8232 * which varies depending on where and how the package was installed. 8233 */ 8234 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8235 final ApplicationInfo info = pkg.applicationInfo; 8236 final String codePath = pkg.codePath; 8237 final File codeFile = new File(codePath); 8238 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8239 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8240 8241 info.nativeLibraryRootDir = null; 8242 info.nativeLibraryRootRequiresIsa = false; 8243 info.nativeLibraryDir = null; 8244 info.secondaryNativeLibraryDir = null; 8245 8246 if (isApkFile(codeFile)) { 8247 // Monolithic install 8248 if (bundledApp) { 8249 // If "/system/lib64/apkname" exists, assume that is the per-package 8250 // native library directory to use; otherwise use "/system/lib/apkname". 8251 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8252 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8253 getPrimaryInstructionSet(info)); 8254 8255 // This is a bundled system app so choose the path based on the ABI. 8256 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8257 // is just the default path. 8258 final String apkName = deriveCodePathName(codePath); 8259 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8260 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8261 apkName).getAbsolutePath(); 8262 8263 if (info.secondaryCpuAbi != null) { 8264 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8265 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8266 secondaryLibDir, apkName).getAbsolutePath(); 8267 } 8268 } else if (asecApp) { 8269 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8270 .getAbsolutePath(); 8271 } else { 8272 final String apkName = deriveCodePathName(codePath); 8273 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8274 .getAbsolutePath(); 8275 } 8276 8277 info.nativeLibraryRootRequiresIsa = false; 8278 info.nativeLibraryDir = info.nativeLibraryRootDir; 8279 } else { 8280 // Cluster install 8281 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8282 info.nativeLibraryRootRequiresIsa = true; 8283 8284 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8285 getPrimaryInstructionSet(info)).getAbsolutePath(); 8286 8287 if (info.secondaryCpuAbi != null) { 8288 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8289 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8290 } 8291 } 8292 } 8293 8294 /** 8295 * Calculate the abis and roots for a bundled app. These can uniquely 8296 * be determined from the contents of the system partition, i.e whether 8297 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8298 * of this information, and instead assume that the system was built 8299 * sensibly. 8300 */ 8301 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8302 PackageSetting pkgSetting) { 8303 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8304 8305 // If "/system/lib64/apkname" exists, assume that is the per-package 8306 // native library directory to use; otherwise use "/system/lib/apkname". 8307 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8308 setBundledAppAbi(pkg, apkRoot, apkName); 8309 // pkgSetting might be null during rescan following uninstall of updates 8310 // to a bundled app, so accommodate that possibility. The settings in 8311 // that case will be established later from the parsed package. 8312 // 8313 // If the settings aren't null, sync them up with what we've just derived. 8314 // note that apkRoot isn't stored in the package settings. 8315 if (pkgSetting != null) { 8316 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8317 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8318 } 8319 } 8320 8321 /** 8322 * Deduces the ABI of a bundled app and sets the relevant fields on the 8323 * parsed pkg object. 8324 * 8325 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8326 * under which system libraries are installed. 8327 * @param apkName the name of the installed package. 8328 */ 8329 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8330 final File codeFile = new File(pkg.codePath); 8331 8332 final boolean has64BitLibs; 8333 final boolean has32BitLibs; 8334 if (isApkFile(codeFile)) { 8335 // Monolithic install 8336 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8337 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8338 } else { 8339 // Cluster install 8340 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8341 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8342 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8343 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8344 has64BitLibs = (new File(rootDir, isa)).exists(); 8345 } else { 8346 has64BitLibs = false; 8347 } 8348 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8349 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8350 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8351 has32BitLibs = (new File(rootDir, isa)).exists(); 8352 } else { 8353 has32BitLibs = false; 8354 } 8355 } 8356 8357 if (has64BitLibs && !has32BitLibs) { 8358 // The package has 64 bit libs, but not 32 bit libs. Its primary 8359 // ABI should be 64 bit. We can safely assume here that the bundled 8360 // native libraries correspond to the most preferred ABI in the list. 8361 8362 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8363 pkg.applicationInfo.secondaryCpuAbi = null; 8364 } else if (has32BitLibs && !has64BitLibs) { 8365 // The package has 32 bit libs but not 64 bit libs. Its primary 8366 // ABI should be 32 bit. 8367 8368 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8369 pkg.applicationInfo.secondaryCpuAbi = null; 8370 } else if (has32BitLibs && has64BitLibs) { 8371 // The application has both 64 and 32 bit bundled libraries. We check 8372 // here that the app declares multiArch support, and warn if it doesn't. 8373 // 8374 // We will be lenient here and record both ABIs. The primary will be the 8375 // ABI that's higher on the list, i.e, a device that's configured to prefer 8376 // 64 bit apps will see a 64 bit primary ABI, 8377 8378 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8379 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 8380 } 8381 8382 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8383 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8384 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8385 } else { 8386 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8387 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8388 } 8389 } else { 8390 pkg.applicationInfo.primaryCpuAbi = null; 8391 pkg.applicationInfo.secondaryCpuAbi = null; 8392 } 8393 } 8394 8395 private void killApplication(String pkgName, int appId, String reason) { 8396 // Request the ActivityManager to kill the process(only for existing packages) 8397 // so that we do not end up in a confused state while the user is still using the older 8398 // version of the application while the new one gets installed. 8399 IActivityManager am = ActivityManagerNative.getDefault(); 8400 if (am != null) { 8401 try { 8402 am.killApplicationWithAppId(pkgName, appId, reason); 8403 } catch (RemoteException e) { 8404 } 8405 } 8406 } 8407 8408 void removePackageLI(PackageSetting ps, boolean chatty) { 8409 if (DEBUG_INSTALL) { 8410 if (chatty) 8411 Log.d(TAG, "Removing package " + ps.name); 8412 } 8413 8414 // writer 8415 synchronized (mPackages) { 8416 mPackages.remove(ps.name); 8417 final PackageParser.Package pkg = ps.pkg; 8418 if (pkg != null) { 8419 cleanPackageDataStructuresLILPw(pkg, chatty); 8420 } 8421 } 8422 } 8423 8424 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8425 if (DEBUG_INSTALL) { 8426 if (chatty) 8427 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8428 } 8429 8430 // writer 8431 synchronized (mPackages) { 8432 mPackages.remove(pkg.applicationInfo.packageName); 8433 cleanPackageDataStructuresLILPw(pkg, chatty); 8434 } 8435 } 8436 8437 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8438 int N = pkg.providers.size(); 8439 StringBuilder r = null; 8440 int i; 8441 for (i=0; i<N; i++) { 8442 PackageParser.Provider p = pkg.providers.get(i); 8443 mProviders.removeProvider(p); 8444 if (p.info.authority == null) { 8445 8446 /* There was another ContentProvider with this authority when 8447 * this app was installed so this authority is null, 8448 * Ignore it as we don't have to unregister the provider. 8449 */ 8450 continue; 8451 } 8452 String names[] = p.info.authority.split(";"); 8453 for (int j = 0; j < names.length; j++) { 8454 if (mProvidersByAuthority.get(names[j]) == p) { 8455 mProvidersByAuthority.remove(names[j]); 8456 if (DEBUG_REMOVE) { 8457 if (chatty) 8458 Log.d(TAG, "Unregistered content provider: " + names[j] 8459 + ", className = " + p.info.name + ", isSyncable = " 8460 + p.info.isSyncable); 8461 } 8462 } 8463 } 8464 if (DEBUG_REMOVE && chatty) { 8465 if (r == null) { 8466 r = new StringBuilder(256); 8467 } else { 8468 r.append(' '); 8469 } 8470 r.append(p.info.name); 8471 } 8472 } 8473 if (r != null) { 8474 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8475 } 8476 8477 N = pkg.services.size(); 8478 r = null; 8479 for (i=0; i<N; i++) { 8480 PackageParser.Service s = pkg.services.get(i); 8481 mServices.removeService(s); 8482 if (chatty) { 8483 if (r == null) { 8484 r = new StringBuilder(256); 8485 } else { 8486 r.append(' '); 8487 } 8488 r.append(s.info.name); 8489 } 8490 } 8491 if (r != null) { 8492 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8493 } 8494 8495 N = pkg.receivers.size(); 8496 r = null; 8497 for (i=0; i<N; i++) { 8498 PackageParser.Activity a = pkg.receivers.get(i); 8499 mReceivers.removeActivity(a, "receiver"); 8500 if (DEBUG_REMOVE && chatty) { 8501 if (r == null) { 8502 r = new StringBuilder(256); 8503 } else { 8504 r.append(' '); 8505 } 8506 r.append(a.info.name); 8507 } 8508 } 8509 if (r != null) { 8510 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8511 } 8512 8513 N = pkg.activities.size(); 8514 r = null; 8515 for (i=0; i<N; i++) { 8516 PackageParser.Activity a = pkg.activities.get(i); 8517 mActivities.removeActivity(a, "activity"); 8518 if (DEBUG_REMOVE && chatty) { 8519 if (r == null) { 8520 r = new StringBuilder(256); 8521 } else { 8522 r.append(' '); 8523 } 8524 r.append(a.info.name); 8525 } 8526 } 8527 if (r != null) { 8528 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8529 } 8530 8531 N = pkg.permissions.size(); 8532 r = null; 8533 for (i=0; i<N; i++) { 8534 PackageParser.Permission p = pkg.permissions.get(i); 8535 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8536 if (bp == null) { 8537 bp = mSettings.mPermissionTrees.get(p.info.name); 8538 } 8539 if (bp != null && bp.perm == p) { 8540 bp.perm = null; 8541 if (DEBUG_REMOVE && chatty) { 8542 if (r == null) { 8543 r = new StringBuilder(256); 8544 } else { 8545 r.append(' '); 8546 } 8547 r.append(p.info.name); 8548 } 8549 } 8550 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8551 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 8552 if (appOpPkgs != null) { 8553 appOpPkgs.remove(pkg.packageName); 8554 } 8555 } 8556 } 8557 if (r != null) { 8558 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8559 } 8560 8561 N = pkg.requestedPermissions.size(); 8562 r = null; 8563 for (i=0; i<N; i++) { 8564 String perm = pkg.requestedPermissions.get(i); 8565 BasePermission bp = mSettings.mPermissions.get(perm); 8566 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8567 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 8568 if (appOpPkgs != null) { 8569 appOpPkgs.remove(pkg.packageName); 8570 if (appOpPkgs.isEmpty()) { 8571 mAppOpPermissionPackages.remove(perm); 8572 } 8573 } 8574 } 8575 } 8576 if (r != null) { 8577 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8578 } 8579 8580 N = pkg.instrumentation.size(); 8581 r = null; 8582 for (i=0; i<N; i++) { 8583 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8584 mInstrumentation.remove(a.getComponentName()); 8585 if (DEBUG_REMOVE && chatty) { 8586 if (r == null) { 8587 r = new StringBuilder(256); 8588 } else { 8589 r.append(' '); 8590 } 8591 r.append(a.info.name); 8592 } 8593 } 8594 if (r != null) { 8595 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8596 } 8597 8598 r = null; 8599 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8600 // Only system apps can hold shared libraries. 8601 if (pkg.libraryNames != null) { 8602 for (i=0; i<pkg.libraryNames.size(); i++) { 8603 String name = pkg.libraryNames.get(i); 8604 SharedLibraryEntry cur = mSharedLibraries.get(name); 8605 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8606 mSharedLibraries.remove(name); 8607 if (DEBUG_REMOVE && chatty) { 8608 if (r == null) { 8609 r = new StringBuilder(256); 8610 } else { 8611 r.append(' '); 8612 } 8613 r.append(name); 8614 } 8615 } 8616 } 8617 } 8618 } 8619 if (r != null) { 8620 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8621 } 8622 } 8623 8624 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8625 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8626 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8627 return true; 8628 } 8629 } 8630 return false; 8631 } 8632 8633 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8634 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8635 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8636 8637 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 8638 int flags) { 8639 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 8640 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 8641 } 8642 8643 private void updatePermissionsLPw(String changingPkg, 8644 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 8645 // Make sure there are no dangling permission trees. 8646 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8647 while (it.hasNext()) { 8648 final BasePermission bp = it.next(); 8649 if (bp.packageSetting == null) { 8650 // We may not yet have parsed the package, so just see if 8651 // we still know about its settings. 8652 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8653 } 8654 if (bp.packageSetting == null) { 8655 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8656 + " from package " + bp.sourcePackage); 8657 it.remove(); 8658 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8659 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8660 Slog.i(TAG, "Removing old permission tree: " + bp.name 8661 + " from package " + bp.sourcePackage); 8662 flags |= UPDATE_PERMISSIONS_ALL; 8663 it.remove(); 8664 } 8665 } 8666 } 8667 8668 // Make sure all dynamic permissions have been assigned to a package, 8669 // and make sure there are no dangling permissions. 8670 it = mSettings.mPermissions.values().iterator(); 8671 while (it.hasNext()) { 8672 final BasePermission bp = it.next(); 8673 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8674 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8675 + bp.name + " pkg=" + bp.sourcePackage 8676 + " info=" + bp.pendingInfo); 8677 if (bp.packageSetting == null && bp.pendingInfo != null) { 8678 final BasePermission tree = findPermissionTreeLP(bp.name); 8679 if (tree != null && tree.perm != null) { 8680 bp.packageSetting = tree.packageSetting; 8681 bp.perm = new PackageParser.Permission(tree.perm.owner, 8682 new PermissionInfo(bp.pendingInfo)); 8683 bp.perm.info.packageName = tree.perm.info.packageName; 8684 bp.perm.info.name = bp.name; 8685 bp.uid = tree.uid; 8686 } 8687 } 8688 } 8689 if (bp.packageSetting == null) { 8690 // We may not yet have parsed the package, so just see if 8691 // we still know about its settings. 8692 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8693 } 8694 if (bp.packageSetting == null) { 8695 Slog.w(TAG, "Removing dangling permission: " + bp.name 8696 + " from package " + bp.sourcePackage); 8697 it.remove(); 8698 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8699 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8700 Slog.i(TAG, "Removing old permission: " + bp.name 8701 + " from package " + bp.sourcePackage); 8702 flags |= UPDATE_PERMISSIONS_ALL; 8703 it.remove(); 8704 } 8705 } 8706 } 8707 8708 // Now update the permissions for all packages, in particular 8709 // replace the granted permissions of the system packages. 8710 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8711 for (PackageParser.Package pkg : mPackages.values()) { 8712 if (pkg != pkgInfo) { 8713 // Only replace for packages on requested volume 8714 final String volumeUuid = getVolumeUuidForPackage(pkg); 8715 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 8716 && Objects.equals(replaceVolumeUuid, volumeUuid); 8717 grantPermissionsLPw(pkg, replace, changingPkg); 8718 } 8719 } 8720 } 8721 8722 if (pkgInfo != null) { 8723 // Only replace for packages on requested volume 8724 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 8725 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 8726 && Objects.equals(replaceVolumeUuid, volumeUuid); 8727 grantPermissionsLPw(pkgInfo, replace, changingPkg); 8728 } 8729 } 8730 8731 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8732 String packageOfInterest) { 8733 // IMPORTANT: There are two types of permissions: install and runtime. 8734 // Install time permissions are granted when the app is installed to 8735 // all device users and users added in the future. Runtime permissions 8736 // are granted at runtime explicitly to specific users. Normal and signature 8737 // protected permissions are install time permissions. Dangerous permissions 8738 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8739 // otherwise they are runtime permissions. This function does not manage 8740 // runtime permissions except for the case an app targeting Lollipop MR1 8741 // being upgraded to target a newer SDK, in which case dangerous permissions 8742 // are transformed from install time to runtime ones. 8743 8744 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8745 if (ps == null) { 8746 return; 8747 } 8748 8749 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 8750 8751 PermissionsState permissionsState = ps.getPermissionsState(); 8752 PermissionsState origPermissions = permissionsState; 8753 8754 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8755 8756 boolean runtimePermissionsRevoked = false; 8757 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8758 8759 boolean changedInstallPermission = false; 8760 8761 if (replace) { 8762 ps.installPermissionsFixed = false; 8763 if (!ps.isSharedUser()) { 8764 origPermissions = new PermissionsState(permissionsState); 8765 permissionsState.reset(); 8766 } else { 8767 // We need to know only about runtime permission changes since the 8768 // calling code always writes the install permissions state but 8769 // the runtime ones are written only if changed. The only cases of 8770 // changed runtime permissions here are promotion of an install to 8771 // runtime and revocation of a runtime from a shared user. 8772 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 8773 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 8774 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 8775 runtimePermissionsRevoked = true; 8776 } 8777 } 8778 } 8779 8780 permissionsState.setGlobalGids(mGlobalGids); 8781 8782 final int N = pkg.requestedPermissions.size(); 8783 for (int i=0; i<N; i++) { 8784 final String name = pkg.requestedPermissions.get(i); 8785 final BasePermission bp = mSettings.mPermissions.get(name); 8786 8787 if (DEBUG_INSTALL) { 8788 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8789 } 8790 8791 if (bp == null || bp.packageSetting == null) { 8792 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8793 Slog.w(TAG, "Unknown permission " + name 8794 + " in package " + pkg.packageName); 8795 } 8796 continue; 8797 } 8798 8799 final String perm = bp.name; 8800 boolean allowedSig = false; 8801 int grant = GRANT_DENIED; 8802 8803 // Keep track of app op permissions. 8804 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8805 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8806 if (pkgs == null) { 8807 pkgs = new ArraySet<>(); 8808 mAppOpPermissionPackages.put(bp.name, pkgs); 8809 } 8810 pkgs.add(pkg.packageName); 8811 } 8812 8813 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8814 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 8815 >= Build.VERSION_CODES.M; 8816 switch (level) { 8817 case PermissionInfo.PROTECTION_NORMAL: { 8818 // For all apps normal permissions are install time ones. 8819 grant = GRANT_INSTALL; 8820 } break; 8821 8822 case PermissionInfo.PROTECTION_DANGEROUS: { 8823 // If a permission review is required for legacy apps we represent 8824 // their permissions as always granted runtime ones since we need 8825 // to keep the review required permission flag per user while an 8826 // install permission's state is shared across all users. 8827 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 8828 // For legacy apps dangerous permissions are install time ones. 8829 grant = GRANT_INSTALL; 8830 } else if (origPermissions.hasInstallPermission(bp.name)) { 8831 // For legacy apps that became modern, install becomes runtime. 8832 grant = GRANT_UPGRADE; 8833 } else if (mPromoteSystemApps 8834 && isSystemApp(ps) 8835 && mExistingSystemPackages.contains(ps.name)) { 8836 // For legacy system apps, install becomes runtime. 8837 // We cannot check hasInstallPermission() for system apps since those 8838 // permissions were granted implicitly and not persisted pre-M. 8839 grant = GRANT_UPGRADE; 8840 } else { 8841 // For modern apps keep runtime permissions unchanged. 8842 grant = GRANT_RUNTIME; 8843 } 8844 } break; 8845 8846 case PermissionInfo.PROTECTION_SIGNATURE: { 8847 // For all apps signature permissions are install time ones. 8848 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8849 if (allowedSig) { 8850 grant = GRANT_INSTALL; 8851 } 8852 } break; 8853 } 8854 8855 if (DEBUG_INSTALL) { 8856 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8857 } 8858 8859 if (grant != GRANT_DENIED) { 8860 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8861 // If this is an existing, non-system package, then 8862 // we can't add any new permissions to it. 8863 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8864 // Except... if this is a permission that was added 8865 // to the platform (note: need to only do this when 8866 // updating the platform). 8867 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8868 grant = GRANT_DENIED; 8869 } 8870 } 8871 } 8872 8873 switch (grant) { 8874 case GRANT_INSTALL: { 8875 // Revoke this as runtime permission to handle the case of 8876 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 8877 for (int userId : UserManagerService.getInstance().getUserIds()) { 8878 if (origPermissions.getRuntimePermissionState( 8879 bp.name, userId) != null) { 8880 // Revoke the runtime permission and clear the flags. 8881 origPermissions.revokeRuntimePermission(bp, userId); 8882 origPermissions.updatePermissionFlags(bp, userId, 8883 PackageManager.MASK_PERMISSION_FLAGS, 0); 8884 // If we revoked a permission permission, we have to write. 8885 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8886 changedRuntimePermissionUserIds, userId); 8887 } 8888 } 8889 // Grant an install permission. 8890 if (permissionsState.grantInstallPermission(bp) != 8891 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8892 changedInstallPermission = true; 8893 } 8894 } break; 8895 8896 case GRANT_RUNTIME: { 8897 // Grant previously granted runtime permissions. 8898 for (int userId : UserManagerService.getInstance().getUserIds()) { 8899 PermissionState permissionState = origPermissions 8900 .getRuntimePermissionState(bp.name, userId); 8901 int flags = permissionState != null 8902 ? permissionState.getFlags() : 0; 8903 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8904 if (permissionsState.grantRuntimePermission(bp, userId) == 8905 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8906 // If we cannot put the permission as it was, we have to write. 8907 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8908 changedRuntimePermissionUserIds, userId); 8909 } 8910 // If the app supports runtime permissions no need for a review. 8911 if (Build.PERMISSIONS_REVIEW_REQUIRED 8912 && appSupportsRuntimePermissions 8913 && (flags & PackageManager 8914 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 8915 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 8916 // Since we changed the flags, we have to write. 8917 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8918 changedRuntimePermissionUserIds, userId); 8919 } 8920 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 8921 && !appSupportsRuntimePermissions) { 8922 // For legacy apps that need a permission review, every new 8923 // runtime permission is granted but it is pending a review. 8924 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 8925 permissionsState.grantRuntimePermission(bp, userId); 8926 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 8927 // We changed the permission and flags, hence have to write. 8928 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8929 changedRuntimePermissionUserIds, userId); 8930 } 8931 } 8932 // Propagate the permission flags. 8933 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8934 } 8935 } break; 8936 8937 case GRANT_UPGRADE: { 8938 // Grant runtime permissions for a previously held install permission. 8939 PermissionState permissionState = origPermissions 8940 .getInstallPermissionState(bp.name); 8941 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8942 8943 if (origPermissions.revokeInstallPermission(bp) 8944 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8945 // We will be transferring the permission flags, so clear them. 8946 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8947 PackageManager.MASK_PERMISSION_FLAGS, 0); 8948 changedInstallPermission = true; 8949 } 8950 8951 // If the permission is not to be promoted to runtime we ignore it and 8952 // also its other flags as they are not applicable to install permissions. 8953 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8954 for (int userId : currentUserIds) { 8955 if (permissionsState.grantRuntimePermission(bp, userId) != 8956 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8957 // Transfer the permission flags. 8958 permissionsState.updatePermissionFlags(bp, userId, 8959 flags, flags); 8960 // If we granted the permission, we have to write. 8961 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8962 changedRuntimePermissionUserIds, userId); 8963 } 8964 } 8965 } 8966 } break; 8967 8968 default: { 8969 if (packageOfInterest == null 8970 || packageOfInterest.equals(pkg.packageName)) { 8971 Slog.w(TAG, "Not granting permission " + perm 8972 + " to package " + pkg.packageName 8973 + " because it was previously installed without"); 8974 } 8975 } break; 8976 } 8977 } else { 8978 if (permissionsState.revokeInstallPermission(bp) != 8979 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8980 // Also drop the permission flags. 8981 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8982 PackageManager.MASK_PERMISSION_FLAGS, 0); 8983 changedInstallPermission = true; 8984 Slog.i(TAG, "Un-granting permission " + perm 8985 + " from package " + pkg.packageName 8986 + " (protectionLevel=" + bp.protectionLevel 8987 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8988 + ")"); 8989 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8990 // Don't print warning for app op permissions, since it is fine for them 8991 // not to be granted, there is a UI for the user to decide. 8992 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8993 Slog.w(TAG, "Not granting permission " + perm 8994 + " to package " + pkg.packageName 8995 + " (protectionLevel=" + bp.protectionLevel 8996 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8997 + ")"); 8998 } 8999 } 9000 } 9001 } 9002 9003 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9004 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9005 // This is the first that we have heard about this package, so the 9006 // permissions we have now selected are fixed until explicitly 9007 // changed. 9008 ps.installPermissionsFixed = true; 9009 } 9010 9011 // Persist the runtime permissions state for users with changes. If permissions 9012 // were revoked because no app in the shared user declares them we have to 9013 // write synchronously to avoid losing runtime permissions state. 9014 for (int userId : changedRuntimePermissionUserIds) { 9015 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9016 } 9017 9018 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9019 } 9020 9021 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9022 boolean allowed = false; 9023 final int NP = PackageParser.NEW_PERMISSIONS.length; 9024 for (int ip=0; ip<NP; ip++) { 9025 final PackageParser.NewPermissionInfo npi 9026 = PackageParser.NEW_PERMISSIONS[ip]; 9027 if (npi.name.equals(perm) 9028 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9029 allowed = true; 9030 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9031 + pkg.packageName); 9032 break; 9033 } 9034 } 9035 return allowed; 9036 } 9037 9038 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9039 BasePermission bp, PermissionsState origPermissions) { 9040 boolean allowed; 9041 allowed = (compareSignatures( 9042 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9043 == PackageManager.SIGNATURE_MATCH) 9044 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9045 == PackageManager.SIGNATURE_MATCH); 9046 if (!allowed && (bp.protectionLevel 9047 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9048 if (isSystemApp(pkg)) { 9049 // For updated system applications, a system permission 9050 // is granted only if it had been defined by the original application. 9051 if (pkg.isUpdatedSystemApp()) { 9052 final PackageSetting sysPs = mSettings 9053 .getDisabledSystemPkgLPr(pkg.packageName); 9054 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 9055 // If the original was granted this permission, we take 9056 // that grant decision as read and propagate it to the 9057 // update. 9058 if (sysPs.isPrivileged()) { 9059 allowed = true; 9060 } 9061 } else { 9062 // The system apk may have been updated with an older 9063 // version of the one on the data partition, but which 9064 // granted a new system permission that it didn't have 9065 // before. In this case we do want to allow the app to 9066 // now get the new permission if the ancestral apk is 9067 // privileged to get it. 9068 if (sysPs.pkg != null && sysPs.isPrivileged()) { 9069 for (int j=0; 9070 j<sysPs.pkg.requestedPermissions.size(); j++) { 9071 if (perm.equals( 9072 sysPs.pkg.requestedPermissions.get(j))) { 9073 allowed = true; 9074 break; 9075 } 9076 } 9077 } 9078 } 9079 } else { 9080 allowed = isPrivilegedApp(pkg); 9081 } 9082 } 9083 } 9084 if (!allowed) { 9085 if (!allowed && (bp.protectionLevel 9086 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9087 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9088 // If this was a previously normal/dangerous permission that got moved 9089 // to a system permission as part of the runtime permission redesign, then 9090 // we still want to blindly grant it to old apps. 9091 allowed = true; 9092 } 9093 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9094 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9095 // If this permission is to be granted to the system installer and 9096 // this app is an installer, then it gets the permission. 9097 allowed = true; 9098 } 9099 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9100 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9101 // If this permission is to be granted to the system verifier and 9102 // this app is a verifier, then it gets the permission. 9103 allowed = true; 9104 } 9105 if (!allowed && (bp.protectionLevel 9106 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9107 && isSystemApp(pkg)) { 9108 // Any pre-installed system app is allowed to get this permission. 9109 allowed = true; 9110 } 9111 if (!allowed && (bp.protectionLevel 9112 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9113 // For development permissions, a development permission 9114 // is granted only if it was already granted. 9115 allowed = origPermissions.hasInstallPermission(perm); 9116 } 9117 } 9118 return allowed; 9119 } 9120 9121 final class ActivityIntentResolver 9122 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9123 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9124 boolean defaultOnly, int userId) { 9125 if (!sUserManager.exists(userId)) return null; 9126 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9127 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9128 } 9129 9130 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9131 int userId) { 9132 if (!sUserManager.exists(userId)) return null; 9133 mFlags = flags; 9134 return super.queryIntent(intent, resolvedType, 9135 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9136 } 9137 9138 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9139 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9140 if (!sUserManager.exists(userId)) return null; 9141 if (packageActivities == null) { 9142 return null; 9143 } 9144 mFlags = flags; 9145 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9146 final int N = packageActivities.size(); 9147 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9148 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9149 9150 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9151 for (int i = 0; i < N; ++i) { 9152 intentFilters = packageActivities.get(i).intents; 9153 if (intentFilters != null && intentFilters.size() > 0) { 9154 PackageParser.ActivityIntentInfo[] array = 9155 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9156 intentFilters.toArray(array); 9157 listCut.add(array); 9158 } 9159 } 9160 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9161 } 9162 9163 public final void addActivity(PackageParser.Activity a, String type) { 9164 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9165 mActivities.put(a.getComponentName(), a); 9166 if (DEBUG_SHOW_INFO) 9167 Log.v( 9168 TAG, " " + type + " " + 9169 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9170 if (DEBUG_SHOW_INFO) 9171 Log.v(TAG, " Class=" + a.info.name); 9172 final int NI = a.intents.size(); 9173 for (int j=0; j<NI; j++) { 9174 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9175 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9176 intent.setPriority(0); 9177 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9178 + a.className + " with priority > 0, forcing to 0"); 9179 } 9180 if (DEBUG_SHOW_INFO) { 9181 Log.v(TAG, " IntentFilter:"); 9182 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9183 } 9184 if (!intent.debugCheck()) { 9185 Log.w(TAG, "==> For Activity " + a.info.name); 9186 } 9187 addFilter(intent); 9188 } 9189 } 9190 9191 public final void removeActivity(PackageParser.Activity a, String type) { 9192 mActivities.remove(a.getComponentName()); 9193 if (DEBUG_SHOW_INFO) { 9194 Log.v(TAG, " " + type + " " 9195 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9196 : a.info.name) + ":"); 9197 Log.v(TAG, " Class=" + a.info.name); 9198 } 9199 final int NI = a.intents.size(); 9200 for (int j=0; j<NI; j++) { 9201 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9202 if (DEBUG_SHOW_INFO) { 9203 Log.v(TAG, " IntentFilter:"); 9204 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9205 } 9206 removeFilter(intent); 9207 } 9208 } 9209 9210 @Override 9211 protected boolean allowFilterResult( 9212 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9213 ActivityInfo filterAi = filter.activity.info; 9214 for (int i=dest.size()-1; i>=0; i--) { 9215 ActivityInfo destAi = dest.get(i).activityInfo; 9216 if (destAi.name == filterAi.name 9217 && destAi.packageName == filterAi.packageName) { 9218 return false; 9219 } 9220 } 9221 return true; 9222 } 9223 9224 @Override 9225 protected ActivityIntentInfo[] newArray(int size) { 9226 return new ActivityIntentInfo[size]; 9227 } 9228 9229 @Override 9230 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9231 if (!sUserManager.exists(userId)) return true; 9232 PackageParser.Package p = filter.activity.owner; 9233 if (p != null) { 9234 PackageSetting ps = (PackageSetting)p.mExtras; 9235 if (ps != null) { 9236 // System apps are never considered stopped for purposes of 9237 // filtering, because there may be no way for the user to 9238 // actually re-launch them. 9239 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9240 && ps.getStopped(userId); 9241 } 9242 } 9243 return false; 9244 } 9245 9246 @Override 9247 protected boolean isPackageForFilter(String packageName, 9248 PackageParser.ActivityIntentInfo info) { 9249 return packageName.equals(info.activity.owner.packageName); 9250 } 9251 9252 @Override 9253 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9254 int match, int userId) { 9255 if (!sUserManager.exists(userId)) return null; 9256 if (!mSettings.isEnabledAndVisibleLPr(info.activity.info, mFlags, userId)) { 9257 return null; 9258 } 9259 final PackageParser.Activity activity = info.activity; 9260 if (mSafeMode && (activity.info.applicationInfo.flags 9261 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9262 return null; 9263 } 9264 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9265 if (ps == null) { 9266 return null; 9267 } 9268 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9269 ps.readUserState(userId), userId); 9270 if (ai == null) { 9271 return null; 9272 } 9273 final ResolveInfo res = new ResolveInfo(); 9274 res.activityInfo = ai; 9275 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9276 res.filter = info; 9277 } 9278 if (info != null) { 9279 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9280 } 9281 res.priority = info.getPriority(); 9282 res.preferredOrder = activity.owner.mPreferredOrder; 9283 //System.out.println("Result: " + res.activityInfo.className + 9284 // " = " + res.priority); 9285 res.match = match; 9286 res.isDefault = info.hasDefault; 9287 res.labelRes = info.labelRes; 9288 res.nonLocalizedLabel = info.nonLocalizedLabel; 9289 if (userNeedsBadging(userId)) { 9290 res.noResourceId = true; 9291 } else { 9292 res.icon = info.icon; 9293 } 9294 res.iconResourceId = info.icon; 9295 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9296 return res; 9297 } 9298 9299 @Override 9300 protected void sortResults(List<ResolveInfo> results) { 9301 Collections.sort(results, mResolvePrioritySorter); 9302 } 9303 9304 @Override 9305 protected void dumpFilter(PrintWriter out, String prefix, 9306 PackageParser.ActivityIntentInfo filter) { 9307 out.print(prefix); out.print( 9308 Integer.toHexString(System.identityHashCode(filter.activity))); 9309 out.print(' '); 9310 filter.activity.printComponentShortName(out); 9311 out.print(" filter "); 9312 out.println(Integer.toHexString(System.identityHashCode(filter))); 9313 } 9314 9315 @Override 9316 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9317 return filter.activity; 9318 } 9319 9320 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9321 PackageParser.Activity activity = (PackageParser.Activity)label; 9322 out.print(prefix); out.print( 9323 Integer.toHexString(System.identityHashCode(activity))); 9324 out.print(' '); 9325 activity.printComponentShortName(out); 9326 if (count > 1) { 9327 out.print(" ("); out.print(count); out.print(" filters)"); 9328 } 9329 out.println(); 9330 } 9331 9332// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9333// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9334// final List<ResolveInfo> retList = Lists.newArrayList(); 9335// while (i.hasNext()) { 9336// final ResolveInfo resolveInfo = i.next(); 9337// if (isEnabledLP(resolveInfo.activityInfo)) { 9338// retList.add(resolveInfo); 9339// } 9340// } 9341// return retList; 9342// } 9343 9344 // Keys are String (activity class name), values are Activity. 9345 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9346 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9347 private int mFlags; 9348 } 9349 9350 private final class ServiceIntentResolver 9351 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9352 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9353 boolean defaultOnly, int userId) { 9354 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9355 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9356 } 9357 9358 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9359 int userId) { 9360 if (!sUserManager.exists(userId)) return null; 9361 mFlags = flags; 9362 return super.queryIntent(intent, resolvedType, 9363 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9364 } 9365 9366 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9367 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9368 if (!sUserManager.exists(userId)) return null; 9369 if (packageServices == null) { 9370 return null; 9371 } 9372 mFlags = flags; 9373 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9374 final int N = packageServices.size(); 9375 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9376 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9377 9378 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9379 for (int i = 0; i < N; ++i) { 9380 intentFilters = packageServices.get(i).intents; 9381 if (intentFilters != null && intentFilters.size() > 0) { 9382 PackageParser.ServiceIntentInfo[] array = 9383 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9384 intentFilters.toArray(array); 9385 listCut.add(array); 9386 } 9387 } 9388 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9389 } 9390 9391 public final void addService(PackageParser.Service s) { 9392 mServices.put(s.getComponentName(), s); 9393 if (DEBUG_SHOW_INFO) { 9394 Log.v(TAG, " " 9395 + (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 if (!intent.debugCheck()) { 9408 Log.w(TAG, "==> For Service " + s.info.name); 9409 } 9410 addFilter(intent); 9411 } 9412 } 9413 9414 public final void removeService(PackageParser.Service s) { 9415 mServices.remove(s.getComponentName()); 9416 if (DEBUG_SHOW_INFO) { 9417 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9418 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9419 Log.v(TAG, " Class=" + s.info.name); 9420 } 9421 final int NI = s.intents.size(); 9422 int j; 9423 for (j=0; j<NI; j++) { 9424 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9425 if (DEBUG_SHOW_INFO) { 9426 Log.v(TAG, " IntentFilter:"); 9427 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9428 } 9429 removeFilter(intent); 9430 } 9431 } 9432 9433 @Override 9434 protected boolean allowFilterResult( 9435 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9436 ServiceInfo filterSi = filter.service.info; 9437 for (int i=dest.size()-1; i>=0; i--) { 9438 ServiceInfo destAi = dest.get(i).serviceInfo; 9439 if (destAi.name == filterSi.name 9440 && destAi.packageName == filterSi.packageName) { 9441 return false; 9442 } 9443 } 9444 return true; 9445 } 9446 9447 @Override 9448 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9449 return new PackageParser.ServiceIntentInfo[size]; 9450 } 9451 9452 @Override 9453 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9454 if (!sUserManager.exists(userId)) return true; 9455 PackageParser.Package p = filter.service.owner; 9456 if (p != null) { 9457 PackageSetting ps = (PackageSetting)p.mExtras; 9458 if (ps != null) { 9459 // System apps are never considered stopped for purposes of 9460 // filtering, because there may be no way for the user to 9461 // actually re-launch them. 9462 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9463 && ps.getStopped(userId); 9464 } 9465 } 9466 return false; 9467 } 9468 9469 @Override 9470 protected boolean isPackageForFilter(String packageName, 9471 PackageParser.ServiceIntentInfo info) { 9472 return packageName.equals(info.service.owner.packageName); 9473 } 9474 9475 @Override 9476 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9477 int match, int userId) { 9478 if (!sUserManager.exists(userId)) return null; 9479 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9480 if (!mSettings.isEnabledAndVisibleLPr(info.service.info, mFlags, userId)) { 9481 return null; 9482 } 9483 final PackageParser.Service service = info.service; 9484 if (mSafeMode && (service.info.applicationInfo.flags 9485 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9486 return null; 9487 } 9488 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9489 if (ps == null) { 9490 return null; 9491 } 9492 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9493 ps.readUserState(userId), userId); 9494 if (si == null) { 9495 return null; 9496 } 9497 final ResolveInfo res = new ResolveInfo(); 9498 res.serviceInfo = si; 9499 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9500 res.filter = filter; 9501 } 9502 res.priority = info.getPriority(); 9503 res.preferredOrder = service.owner.mPreferredOrder; 9504 res.match = match; 9505 res.isDefault = info.hasDefault; 9506 res.labelRes = info.labelRes; 9507 res.nonLocalizedLabel = info.nonLocalizedLabel; 9508 res.icon = info.icon; 9509 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9510 return res; 9511 } 9512 9513 @Override 9514 protected void sortResults(List<ResolveInfo> results) { 9515 Collections.sort(results, mResolvePrioritySorter); 9516 } 9517 9518 @Override 9519 protected void dumpFilter(PrintWriter out, String prefix, 9520 PackageParser.ServiceIntentInfo filter) { 9521 out.print(prefix); out.print( 9522 Integer.toHexString(System.identityHashCode(filter.service))); 9523 out.print(' '); 9524 filter.service.printComponentShortName(out); 9525 out.print(" filter "); 9526 out.println(Integer.toHexString(System.identityHashCode(filter))); 9527 } 9528 9529 @Override 9530 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9531 return filter.service; 9532 } 9533 9534 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9535 PackageParser.Service service = (PackageParser.Service)label; 9536 out.print(prefix); out.print( 9537 Integer.toHexString(System.identityHashCode(service))); 9538 out.print(' '); 9539 service.printComponentShortName(out); 9540 if (count > 1) { 9541 out.print(" ("); out.print(count); out.print(" filters)"); 9542 } 9543 out.println(); 9544 } 9545 9546// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9547// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9548// final List<ResolveInfo> retList = Lists.newArrayList(); 9549// while (i.hasNext()) { 9550// final ResolveInfo resolveInfo = (ResolveInfo) i; 9551// if (isEnabledLP(resolveInfo.serviceInfo)) { 9552// retList.add(resolveInfo); 9553// } 9554// } 9555// return retList; 9556// } 9557 9558 // Keys are String (activity class name), values are Activity. 9559 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9560 = new ArrayMap<ComponentName, PackageParser.Service>(); 9561 private int mFlags; 9562 }; 9563 9564 private final class ProviderIntentResolver 9565 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9566 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9567 boolean defaultOnly, int userId) { 9568 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9569 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9570 } 9571 9572 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9573 int userId) { 9574 if (!sUserManager.exists(userId)) 9575 return null; 9576 mFlags = flags; 9577 return super.queryIntent(intent, resolvedType, 9578 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9579 } 9580 9581 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9582 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9583 if (!sUserManager.exists(userId)) 9584 return null; 9585 if (packageProviders == null) { 9586 return null; 9587 } 9588 mFlags = flags; 9589 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9590 final int N = packageProviders.size(); 9591 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9592 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9593 9594 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9595 for (int i = 0; i < N; ++i) { 9596 intentFilters = packageProviders.get(i).intents; 9597 if (intentFilters != null && intentFilters.size() > 0) { 9598 PackageParser.ProviderIntentInfo[] array = 9599 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9600 intentFilters.toArray(array); 9601 listCut.add(array); 9602 } 9603 } 9604 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9605 } 9606 9607 public final void addProvider(PackageParser.Provider p) { 9608 if (mProviders.containsKey(p.getComponentName())) { 9609 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9610 return; 9611 } 9612 9613 mProviders.put(p.getComponentName(), p); 9614 if (DEBUG_SHOW_INFO) { 9615 Log.v(TAG, " " 9616 + (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 if (!intent.debugCheck()) { 9629 Log.w(TAG, "==> For Provider " + p.info.name); 9630 } 9631 addFilter(intent); 9632 } 9633 } 9634 9635 public final void removeProvider(PackageParser.Provider p) { 9636 mProviders.remove(p.getComponentName()); 9637 if (DEBUG_SHOW_INFO) { 9638 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9639 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9640 Log.v(TAG, " Class=" + p.info.name); 9641 } 9642 final int NI = p.intents.size(); 9643 int j; 9644 for (j = 0; j < NI; j++) { 9645 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9646 if (DEBUG_SHOW_INFO) { 9647 Log.v(TAG, " IntentFilter:"); 9648 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9649 } 9650 removeFilter(intent); 9651 } 9652 } 9653 9654 @Override 9655 protected boolean allowFilterResult( 9656 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9657 ProviderInfo filterPi = filter.provider.info; 9658 for (int i = dest.size() - 1; i >= 0; i--) { 9659 ProviderInfo destPi = dest.get(i).providerInfo; 9660 if (destPi.name == filterPi.name 9661 && destPi.packageName == filterPi.packageName) { 9662 return false; 9663 } 9664 } 9665 return true; 9666 } 9667 9668 @Override 9669 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9670 return new PackageParser.ProviderIntentInfo[size]; 9671 } 9672 9673 @Override 9674 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9675 if (!sUserManager.exists(userId)) 9676 return true; 9677 PackageParser.Package p = filter.provider.owner; 9678 if (p != null) { 9679 PackageSetting ps = (PackageSetting) p.mExtras; 9680 if (ps != null) { 9681 // System apps are never considered stopped for purposes of 9682 // filtering, because there may be no way for the user to 9683 // actually re-launch them. 9684 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9685 && ps.getStopped(userId); 9686 } 9687 } 9688 return false; 9689 } 9690 9691 @Override 9692 protected boolean isPackageForFilter(String packageName, 9693 PackageParser.ProviderIntentInfo info) { 9694 return packageName.equals(info.provider.owner.packageName); 9695 } 9696 9697 @Override 9698 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9699 int match, int userId) { 9700 if (!sUserManager.exists(userId)) 9701 return null; 9702 final PackageParser.ProviderIntentInfo info = filter; 9703 if (!mSettings.isEnabledAndVisibleLPr(info.provider.info, mFlags, userId)) { 9704 return null; 9705 } 9706 final PackageParser.Provider provider = info.provider; 9707 if (mSafeMode && (provider.info.applicationInfo.flags 9708 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9709 return null; 9710 } 9711 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9712 if (ps == null) { 9713 return null; 9714 } 9715 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9716 ps.readUserState(userId), userId); 9717 if (pi == null) { 9718 return null; 9719 } 9720 final ResolveInfo res = new ResolveInfo(); 9721 res.providerInfo = pi; 9722 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9723 res.filter = filter; 9724 } 9725 res.priority = info.getPriority(); 9726 res.preferredOrder = provider.owner.mPreferredOrder; 9727 res.match = match; 9728 res.isDefault = info.hasDefault; 9729 res.labelRes = info.labelRes; 9730 res.nonLocalizedLabel = info.nonLocalizedLabel; 9731 res.icon = info.icon; 9732 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9733 return res; 9734 } 9735 9736 @Override 9737 protected void sortResults(List<ResolveInfo> results) { 9738 Collections.sort(results, mResolvePrioritySorter); 9739 } 9740 9741 @Override 9742 protected void dumpFilter(PrintWriter out, String prefix, 9743 PackageParser.ProviderIntentInfo filter) { 9744 out.print(prefix); 9745 out.print( 9746 Integer.toHexString(System.identityHashCode(filter.provider))); 9747 out.print(' '); 9748 filter.provider.printComponentShortName(out); 9749 out.print(" filter "); 9750 out.println(Integer.toHexString(System.identityHashCode(filter))); 9751 } 9752 9753 @Override 9754 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9755 return filter.provider; 9756 } 9757 9758 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9759 PackageParser.Provider provider = (PackageParser.Provider)label; 9760 out.print(prefix); out.print( 9761 Integer.toHexString(System.identityHashCode(provider))); 9762 out.print(' '); 9763 provider.printComponentShortName(out); 9764 if (count > 1) { 9765 out.print(" ("); out.print(count); out.print(" filters)"); 9766 } 9767 out.println(); 9768 } 9769 9770 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9771 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9772 private int mFlags; 9773 } 9774 9775 private static final class EphemeralIntentResolver 9776 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 9777 @Override 9778 protected EphemeralResolveIntentInfo[] newArray(int size) { 9779 return new EphemeralResolveIntentInfo[size]; 9780 } 9781 9782 @Override 9783 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 9784 return true; 9785 } 9786 9787 @Override 9788 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 9789 int userId) { 9790 if (!sUserManager.exists(userId)) { 9791 return null; 9792 } 9793 return info.getEphemeralResolveInfo(); 9794 } 9795 } 9796 9797 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9798 new Comparator<ResolveInfo>() { 9799 public int compare(ResolveInfo r1, ResolveInfo r2) { 9800 int v1 = r1.priority; 9801 int v2 = r2.priority; 9802 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9803 if (v1 != v2) { 9804 return (v1 > v2) ? -1 : 1; 9805 } 9806 v1 = r1.preferredOrder; 9807 v2 = r2.preferredOrder; 9808 if (v1 != v2) { 9809 return (v1 > v2) ? -1 : 1; 9810 } 9811 if (r1.isDefault != r2.isDefault) { 9812 return r1.isDefault ? -1 : 1; 9813 } 9814 v1 = r1.match; 9815 v2 = r2.match; 9816 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9817 if (v1 != v2) { 9818 return (v1 > v2) ? -1 : 1; 9819 } 9820 if (r1.system != r2.system) { 9821 return r1.system ? -1 : 1; 9822 } 9823 if (r1.activityInfo != null) { 9824 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 9825 } 9826 if (r1.serviceInfo != null) { 9827 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 9828 } 9829 if (r1.providerInfo != null) { 9830 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 9831 } 9832 return 0; 9833 } 9834 }; 9835 9836 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9837 new Comparator<ProviderInfo>() { 9838 public int compare(ProviderInfo p1, ProviderInfo p2) { 9839 final int v1 = p1.initOrder; 9840 final int v2 = p2.initOrder; 9841 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9842 } 9843 }; 9844 9845 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 9846 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 9847 final int[] userIds) { 9848 mHandler.post(new Runnable() { 9849 @Override 9850 public void run() { 9851 try { 9852 final IActivityManager am = ActivityManagerNative.getDefault(); 9853 if (am == null) return; 9854 final int[] resolvedUserIds; 9855 if (userIds == null) { 9856 resolvedUserIds = am.getRunningUserIds(); 9857 } else { 9858 resolvedUserIds = userIds; 9859 } 9860 for (int id : resolvedUserIds) { 9861 final Intent intent = new Intent(action, 9862 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9863 if (extras != null) { 9864 intent.putExtras(extras); 9865 } 9866 if (targetPkg != null) { 9867 intent.setPackage(targetPkg); 9868 } 9869 // Modify the UID when posting to other users 9870 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9871 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9872 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9873 intent.putExtra(Intent.EXTRA_UID, uid); 9874 } 9875 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9876 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 9877 if (DEBUG_BROADCASTS) { 9878 RuntimeException here = new RuntimeException("here"); 9879 here.fillInStackTrace(); 9880 Slog.d(TAG, "Sending to user " + id + ": " 9881 + intent.toShortString(false, true, false, false) 9882 + " " + intent.getExtras(), here); 9883 } 9884 am.broadcastIntent(null, intent, null, finishedReceiver, 9885 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9886 null, finishedReceiver != null, false, id); 9887 } 9888 } catch (RemoteException ex) { 9889 } 9890 } 9891 }); 9892 } 9893 9894 /** 9895 * Check if the external storage media is available. This is true if there 9896 * is a mounted external storage medium or if the external storage is 9897 * emulated. 9898 */ 9899 private boolean isExternalMediaAvailable() { 9900 return mMediaMounted || Environment.isExternalStorageEmulated(); 9901 } 9902 9903 @Override 9904 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9905 // writer 9906 synchronized (mPackages) { 9907 if (!isExternalMediaAvailable()) { 9908 // If the external storage is no longer mounted at this point, 9909 // the caller may not have been able to delete all of this 9910 // packages files and can not delete any more. Bail. 9911 return null; 9912 } 9913 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9914 if (lastPackage != null) { 9915 pkgs.remove(lastPackage); 9916 } 9917 if (pkgs.size() > 0) { 9918 return pkgs.get(0); 9919 } 9920 } 9921 return null; 9922 } 9923 9924 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9925 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9926 userId, andCode ? 1 : 0, packageName); 9927 if (mSystemReady) { 9928 msg.sendToTarget(); 9929 } else { 9930 if (mPostSystemReadyMessages == null) { 9931 mPostSystemReadyMessages = new ArrayList<>(); 9932 } 9933 mPostSystemReadyMessages.add(msg); 9934 } 9935 } 9936 9937 void startCleaningPackages() { 9938 // reader 9939 synchronized (mPackages) { 9940 if (!isExternalMediaAvailable()) { 9941 return; 9942 } 9943 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9944 return; 9945 } 9946 } 9947 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9948 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9949 IActivityManager am = ActivityManagerNative.getDefault(); 9950 if (am != null) { 9951 try { 9952 am.startService(null, intent, null, mContext.getOpPackageName(), 9953 UserHandle.USER_SYSTEM); 9954 } catch (RemoteException e) { 9955 } 9956 } 9957 } 9958 9959 @Override 9960 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9961 int installFlags, String installerPackageName, VerificationParams verificationParams, 9962 String packageAbiOverride) { 9963 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9964 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9965 } 9966 9967 @Override 9968 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9969 int installFlags, String installerPackageName, VerificationParams verificationParams, 9970 String packageAbiOverride, int userId) { 9971 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9972 9973 final int callingUid = Binder.getCallingUid(); 9974 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9975 9976 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9977 try { 9978 if (observer != null) { 9979 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9980 } 9981 } catch (RemoteException re) { 9982 } 9983 return; 9984 } 9985 9986 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9987 installFlags |= PackageManager.INSTALL_FROM_ADB; 9988 9989 } else { 9990 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9991 // about installerPackageName. 9992 9993 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9994 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9995 } 9996 9997 UserHandle user; 9998 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9999 user = UserHandle.ALL; 10000 } else { 10001 user = new UserHandle(userId); 10002 } 10003 10004 // Only system components can circumvent runtime permissions when installing. 10005 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10006 && mContext.checkCallingOrSelfPermission(Manifest.permission 10007 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10008 throw new SecurityException("You need the " 10009 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10010 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10011 } 10012 10013 verificationParams.setInstallerUid(callingUid); 10014 10015 final File originFile = new File(originPath); 10016 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10017 10018 final Message msg = mHandler.obtainMessage(INIT_COPY); 10019 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 10020 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 10021 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10022 msg.obj = params; 10023 10024 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10025 System.identityHashCode(msg.obj)); 10026 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10027 System.identityHashCode(msg.obj)); 10028 10029 mHandler.sendMessage(msg); 10030 } 10031 10032 void installStage(String packageName, File stagedDir, String stagedCid, 10033 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10034 String installerPackageName, int installerUid, UserHandle user) { 10035 if (DEBUG_EPHEMERAL) { 10036 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10037 Slog.d(TAG, "Ephemeral install of " + packageName); 10038 } 10039 } 10040 final VerificationParams verifParams = new VerificationParams( 10041 null, sessionParams.originatingUri, sessionParams.referrerUri, 10042 sessionParams.originatingUid, null); 10043 verifParams.setInstallerUid(installerUid); 10044 10045 final OriginInfo origin; 10046 if (stagedDir != null) { 10047 origin = OriginInfo.fromStagedFile(stagedDir); 10048 } else { 10049 origin = OriginInfo.fromStagedContainer(stagedCid); 10050 } 10051 10052 final Message msg = mHandler.obtainMessage(INIT_COPY); 10053 final InstallParams params = new InstallParams(origin, null, observer, 10054 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10055 verifParams, user, sessionParams.abiOverride, 10056 sessionParams.grantedRuntimePermissions); 10057 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10058 msg.obj = params; 10059 10060 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10061 System.identityHashCode(msg.obj)); 10062 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10063 System.identityHashCode(msg.obj)); 10064 10065 mHandler.sendMessage(msg); 10066 } 10067 10068 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 10069 Bundle extras = new Bundle(1); 10070 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 10071 10072 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10073 packageName, extras, 0, null, null, new int[] {userId}); 10074 try { 10075 IActivityManager am = ActivityManagerNative.getDefault(); 10076 final boolean isSystem = 10077 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10078 if (isSystem && am.isUserRunning(userId, 0)) { 10079 // The just-installed/enabled app is bundled on the system, so presumed 10080 // to be able to run automatically without needing an explicit launch. 10081 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10082 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10083 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10084 .setPackage(packageName); 10085 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10086 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10087 } 10088 } catch (RemoteException e) { 10089 // shouldn't happen 10090 Slog.w(TAG, "Unable to bootstrap installed package", e); 10091 } 10092 } 10093 10094 @Override 10095 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10096 int userId) { 10097 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10098 PackageSetting pkgSetting; 10099 final int uid = Binder.getCallingUid(); 10100 enforceCrossUserPermission(uid, userId, true, true, 10101 "setApplicationHiddenSetting for user " + userId); 10102 10103 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10104 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10105 return false; 10106 } 10107 10108 long callingId = Binder.clearCallingIdentity(); 10109 try { 10110 boolean sendAdded = false; 10111 boolean sendRemoved = false; 10112 // writer 10113 synchronized (mPackages) { 10114 pkgSetting = mSettings.mPackages.get(packageName); 10115 if (pkgSetting == null) { 10116 return false; 10117 } 10118 if (pkgSetting.getHidden(userId) != hidden) { 10119 pkgSetting.setHidden(hidden, userId); 10120 mSettings.writePackageRestrictionsLPr(userId); 10121 if (hidden) { 10122 sendRemoved = true; 10123 } else { 10124 sendAdded = true; 10125 } 10126 } 10127 } 10128 if (sendAdded) { 10129 sendPackageAddedForUser(packageName, pkgSetting, userId); 10130 return true; 10131 } 10132 if (sendRemoved) { 10133 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10134 "hiding pkg"); 10135 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10136 return true; 10137 } 10138 } finally { 10139 Binder.restoreCallingIdentity(callingId); 10140 } 10141 return false; 10142 } 10143 10144 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10145 int userId) { 10146 final PackageRemovedInfo info = new PackageRemovedInfo(); 10147 info.removedPackage = packageName; 10148 info.removedUsers = new int[] {userId}; 10149 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10150 info.sendBroadcast(false, false, false); 10151 } 10152 10153 /** 10154 * Returns true if application is not found or there was an error. Otherwise it returns 10155 * the hidden state of the package for the given user. 10156 */ 10157 @Override 10158 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10159 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10160 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 10161 false, "getApplicationHidden for user " + userId); 10162 PackageSetting pkgSetting; 10163 long callingId = Binder.clearCallingIdentity(); 10164 try { 10165 // writer 10166 synchronized (mPackages) { 10167 pkgSetting = mSettings.mPackages.get(packageName); 10168 if (pkgSetting == null) { 10169 return true; 10170 } 10171 return pkgSetting.getHidden(userId); 10172 } 10173 } finally { 10174 Binder.restoreCallingIdentity(callingId); 10175 } 10176 } 10177 10178 /** 10179 * @hide 10180 */ 10181 @Override 10182 public int installExistingPackageAsUser(String packageName, int userId) { 10183 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10184 null); 10185 PackageSetting pkgSetting; 10186 final int uid = Binder.getCallingUid(); 10187 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 10188 + userId); 10189 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10190 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10191 } 10192 10193 long callingId = Binder.clearCallingIdentity(); 10194 try { 10195 boolean sendAdded = false; 10196 10197 // writer 10198 synchronized (mPackages) { 10199 pkgSetting = mSettings.mPackages.get(packageName); 10200 if (pkgSetting == null) { 10201 return PackageManager.INSTALL_FAILED_INVALID_URI; 10202 } 10203 if (!pkgSetting.getInstalled(userId)) { 10204 pkgSetting.setInstalled(true, userId); 10205 pkgSetting.setHidden(false, userId); 10206 mSettings.writePackageRestrictionsLPr(userId); 10207 sendAdded = true; 10208 } 10209 } 10210 10211 if (sendAdded) { 10212 sendPackageAddedForUser(packageName, pkgSetting, userId); 10213 } 10214 } finally { 10215 Binder.restoreCallingIdentity(callingId); 10216 } 10217 10218 return PackageManager.INSTALL_SUCCEEDED; 10219 } 10220 10221 boolean isUserRestricted(int userId, String restrictionKey) { 10222 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10223 if (restrictions.getBoolean(restrictionKey, false)) { 10224 Log.w(TAG, "User is restricted: " + restrictionKey); 10225 return true; 10226 } 10227 return false; 10228 } 10229 10230 @Override 10231 public boolean setPackageSuspendedAsUser(String packageName, boolean suspended, int userId) { 10232 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10233 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, true, 10234 "setPackageSuspended for user " + userId); 10235 10236 long callingId = Binder.clearCallingIdentity(); 10237 try { 10238 synchronized (mPackages) { 10239 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10240 if (pkgSetting != null) { 10241 if (pkgSetting.getSuspended(userId) != suspended) { 10242 pkgSetting.setSuspended(suspended, userId); 10243 mSettings.writePackageRestrictionsLPr(userId); 10244 } 10245 10246 // TODO: 10247 // * broadcast a PACKAGE_(UN)SUSPENDED intent for launchers to pick up 10248 // * remove app from recents (kill app it if it is running) 10249 // * erase existing notifications for this app 10250 return true; 10251 } 10252 10253 return false; 10254 } 10255 } finally { 10256 Binder.restoreCallingIdentity(callingId); 10257 } 10258 } 10259 10260 @Override 10261 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10262 mContext.enforceCallingOrSelfPermission( 10263 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10264 "Only package verification agents can verify applications"); 10265 10266 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10267 final PackageVerificationResponse response = new PackageVerificationResponse( 10268 verificationCode, Binder.getCallingUid()); 10269 msg.arg1 = id; 10270 msg.obj = response; 10271 mHandler.sendMessage(msg); 10272 } 10273 10274 @Override 10275 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10276 long millisecondsToDelay) { 10277 mContext.enforceCallingOrSelfPermission( 10278 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10279 "Only package verification agents can extend verification timeouts"); 10280 10281 final PackageVerificationState state = mPendingVerification.get(id); 10282 final PackageVerificationResponse response = new PackageVerificationResponse( 10283 verificationCodeAtTimeout, Binder.getCallingUid()); 10284 10285 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10286 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10287 } 10288 if (millisecondsToDelay < 0) { 10289 millisecondsToDelay = 0; 10290 } 10291 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10292 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10293 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10294 } 10295 10296 if ((state != null) && !state.timeoutExtended()) { 10297 state.extendTimeout(); 10298 10299 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10300 msg.arg1 = id; 10301 msg.obj = response; 10302 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10303 } 10304 } 10305 10306 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10307 int verificationCode, UserHandle user) { 10308 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10309 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10310 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10311 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10312 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10313 10314 mContext.sendBroadcastAsUser(intent, user, 10315 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10316 } 10317 10318 private ComponentName matchComponentForVerifier(String packageName, 10319 List<ResolveInfo> receivers) { 10320 ActivityInfo targetReceiver = null; 10321 10322 final int NR = receivers.size(); 10323 for (int i = 0; i < NR; i++) { 10324 final ResolveInfo info = receivers.get(i); 10325 if (info.activityInfo == null) { 10326 continue; 10327 } 10328 10329 if (packageName.equals(info.activityInfo.packageName)) { 10330 targetReceiver = info.activityInfo; 10331 break; 10332 } 10333 } 10334 10335 if (targetReceiver == null) { 10336 return null; 10337 } 10338 10339 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10340 } 10341 10342 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10343 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10344 if (pkgInfo.verifiers.length == 0) { 10345 return null; 10346 } 10347 10348 final int N = pkgInfo.verifiers.length; 10349 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10350 for (int i = 0; i < N; i++) { 10351 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10352 10353 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10354 receivers); 10355 if (comp == null) { 10356 continue; 10357 } 10358 10359 final int verifierUid = getUidForVerifier(verifierInfo); 10360 if (verifierUid == -1) { 10361 continue; 10362 } 10363 10364 if (DEBUG_VERIFY) { 10365 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10366 + " with the correct signature"); 10367 } 10368 sufficientVerifiers.add(comp); 10369 verificationState.addSufficientVerifier(verifierUid); 10370 } 10371 10372 return sufficientVerifiers; 10373 } 10374 10375 private int getUidForVerifier(VerifierInfo verifierInfo) { 10376 synchronized (mPackages) { 10377 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10378 if (pkg == null) { 10379 return -1; 10380 } else if (pkg.mSignatures.length != 1) { 10381 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10382 + " has more than one signature; ignoring"); 10383 return -1; 10384 } 10385 10386 /* 10387 * If the public key of the package's signature does not match 10388 * our expected public key, then this is a different package and 10389 * we should skip. 10390 */ 10391 10392 final byte[] expectedPublicKey; 10393 try { 10394 final Signature verifierSig = pkg.mSignatures[0]; 10395 final PublicKey publicKey = verifierSig.getPublicKey(); 10396 expectedPublicKey = publicKey.getEncoded(); 10397 } catch (CertificateException e) { 10398 return -1; 10399 } 10400 10401 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10402 10403 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10404 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10405 + " does not have the expected public key; ignoring"); 10406 return -1; 10407 } 10408 10409 return pkg.applicationInfo.uid; 10410 } 10411 } 10412 10413 @Override 10414 public void finishPackageInstall(int token) { 10415 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10416 10417 if (DEBUG_INSTALL) { 10418 Slog.v(TAG, "BM finishing package install for " + token); 10419 } 10420 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10421 10422 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10423 mHandler.sendMessage(msg); 10424 } 10425 10426 /** 10427 * Get the verification agent timeout. 10428 * 10429 * @return verification timeout in milliseconds 10430 */ 10431 private long getVerificationTimeout() { 10432 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10433 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10434 DEFAULT_VERIFICATION_TIMEOUT); 10435 } 10436 10437 /** 10438 * Get the default verification agent response code. 10439 * 10440 * @return default verification response code 10441 */ 10442 private int getDefaultVerificationResponse() { 10443 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10444 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10445 DEFAULT_VERIFICATION_RESPONSE); 10446 } 10447 10448 /** 10449 * Check whether or not package verification has been enabled. 10450 * 10451 * @return true if verification should be performed 10452 */ 10453 private boolean isVerificationEnabled(int userId, int installFlags) { 10454 if (!DEFAULT_VERIFY_ENABLE) { 10455 return false; 10456 } 10457 // Ephemeral apps don't get the full verification treatment 10458 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10459 if (DEBUG_EPHEMERAL) { 10460 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 10461 } 10462 return false; 10463 } 10464 10465 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 10466 10467 // Check if installing from ADB 10468 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 10469 // Do not run verification in a test harness environment 10470 if (ActivityManager.isRunningInTestHarness()) { 10471 return false; 10472 } 10473 if (ensureVerifyAppsEnabled) { 10474 return true; 10475 } 10476 // Check if the developer does not want package verification for ADB installs 10477 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10478 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 10479 return false; 10480 } 10481 } 10482 10483 if (ensureVerifyAppsEnabled) { 10484 return true; 10485 } 10486 10487 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10488 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 10489 } 10490 10491 @Override 10492 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 10493 throws RemoteException { 10494 mContext.enforceCallingOrSelfPermission( 10495 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 10496 "Only intentfilter verification agents can verify applications"); 10497 10498 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 10499 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 10500 Binder.getCallingUid(), verificationCode, failedDomains); 10501 msg.arg1 = id; 10502 msg.obj = response; 10503 mHandler.sendMessage(msg); 10504 } 10505 10506 @Override 10507 public int getIntentVerificationStatus(String packageName, int userId) { 10508 synchronized (mPackages) { 10509 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 10510 } 10511 } 10512 10513 @Override 10514 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10515 mContext.enforceCallingOrSelfPermission( 10516 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10517 10518 boolean result = false; 10519 synchronized (mPackages) { 10520 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10521 } 10522 if (result) { 10523 scheduleWritePackageRestrictionsLocked(userId); 10524 } 10525 return result; 10526 } 10527 10528 @Override 10529 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10530 synchronized (mPackages) { 10531 return mSettings.getIntentFilterVerificationsLPr(packageName); 10532 } 10533 } 10534 10535 @Override 10536 public List<IntentFilter> getAllIntentFilters(String packageName) { 10537 if (TextUtils.isEmpty(packageName)) { 10538 return Collections.<IntentFilter>emptyList(); 10539 } 10540 synchronized (mPackages) { 10541 PackageParser.Package pkg = mPackages.get(packageName); 10542 if (pkg == null || pkg.activities == null) { 10543 return Collections.<IntentFilter>emptyList(); 10544 } 10545 final int count = pkg.activities.size(); 10546 ArrayList<IntentFilter> result = new ArrayList<>(); 10547 for (int n=0; n<count; n++) { 10548 PackageParser.Activity activity = pkg.activities.get(n); 10549 if (activity.intents != null && activity.intents.size() > 0) { 10550 result.addAll(activity.intents); 10551 } 10552 } 10553 return result; 10554 } 10555 } 10556 10557 @Override 10558 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10559 mContext.enforceCallingOrSelfPermission( 10560 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10561 10562 synchronized (mPackages) { 10563 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10564 if (packageName != null) { 10565 result |= updateIntentVerificationStatus(packageName, 10566 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10567 userId); 10568 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10569 packageName, userId); 10570 } 10571 return result; 10572 } 10573 } 10574 10575 @Override 10576 public String getDefaultBrowserPackageName(int userId) { 10577 synchronized (mPackages) { 10578 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10579 } 10580 } 10581 10582 /** 10583 * Get the "allow unknown sources" setting. 10584 * 10585 * @return the current "allow unknown sources" setting 10586 */ 10587 private int getUnknownSourcesSettings() { 10588 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10589 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10590 -1); 10591 } 10592 10593 @Override 10594 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10595 final int uid = Binder.getCallingUid(); 10596 // writer 10597 synchronized (mPackages) { 10598 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10599 if (targetPackageSetting == null) { 10600 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10601 } 10602 10603 PackageSetting installerPackageSetting; 10604 if (installerPackageName != null) { 10605 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10606 if (installerPackageSetting == null) { 10607 throw new IllegalArgumentException("Unknown installer package: " 10608 + installerPackageName); 10609 } 10610 } else { 10611 installerPackageSetting = null; 10612 } 10613 10614 Signature[] callerSignature; 10615 Object obj = mSettings.getUserIdLPr(uid); 10616 if (obj != null) { 10617 if (obj instanceof SharedUserSetting) { 10618 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10619 } else if (obj instanceof PackageSetting) { 10620 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10621 } else { 10622 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10623 } 10624 } else { 10625 throw new SecurityException("Unknown calling uid " + uid); 10626 } 10627 10628 // Verify: can't set installerPackageName to a package that is 10629 // not signed with the same cert as the caller. 10630 if (installerPackageSetting != null) { 10631 if (compareSignatures(callerSignature, 10632 installerPackageSetting.signatures.mSignatures) 10633 != PackageManager.SIGNATURE_MATCH) { 10634 throw new SecurityException( 10635 "Caller does not have same cert as new installer package " 10636 + installerPackageName); 10637 } 10638 } 10639 10640 // Verify: if target already has an installer package, it must 10641 // be signed with the same cert as the caller. 10642 if (targetPackageSetting.installerPackageName != null) { 10643 PackageSetting setting = mSettings.mPackages.get( 10644 targetPackageSetting.installerPackageName); 10645 // If the currently set package isn't valid, then it's always 10646 // okay to change it. 10647 if (setting != null) { 10648 if (compareSignatures(callerSignature, 10649 setting.signatures.mSignatures) 10650 != PackageManager.SIGNATURE_MATCH) { 10651 throw new SecurityException( 10652 "Caller does not have same cert as old installer package " 10653 + targetPackageSetting.installerPackageName); 10654 } 10655 } 10656 } 10657 10658 // Okay! 10659 targetPackageSetting.installerPackageName = installerPackageName; 10660 scheduleWriteSettingsLocked(); 10661 } 10662 } 10663 10664 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10665 // Queue up an async operation since the package installation may take a little while. 10666 mHandler.post(new Runnable() { 10667 public void run() { 10668 mHandler.removeCallbacks(this); 10669 // Result object to be returned 10670 PackageInstalledInfo res = new PackageInstalledInfo(); 10671 res.returnCode = currentStatus; 10672 res.uid = -1; 10673 res.pkg = null; 10674 res.removedInfo = new PackageRemovedInfo(); 10675 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10676 args.doPreInstall(res.returnCode); 10677 synchronized (mInstallLock) { 10678 installPackageTracedLI(args, res); 10679 } 10680 args.doPostInstall(res.returnCode, res.uid); 10681 } 10682 10683 // A restore should be performed at this point if (a) the install 10684 // succeeded, (b) the operation is not an update, and (c) the new 10685 // package has not opted out of backup participation. 10686 final boolean update = res.removedInfo.removedPackage != null; 10687 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10688 boolean doRestore = !update 10689 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10690 10691 // Set up the post-install work request bookkeeping. This will be used 10692 // and cleaned up by the post-install event handling regardless of whether 10693 // there's a restore pass performed. Token values are >= 1. 10694 int token; 10695 if (mNextInstallToken < 0) mNextInstallToken = 1; 10696 token = mNextInstallToken++; 10697 10698 PostInstallData data = new PostInstallData(args, res); 10699 mRunningInstalls.put(token, data); 10700 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10701 10702 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10703 // Pass responsibility to the Backup Manager. It will perform a 10704 // restore if appropriate, then pass responsibility back to the 10705 // Package Manager to run the post-install observer callbacks 10706 // and broadcasts. 10707 IBackupManager bm = IBackupManager.Stub.asInterface( 10708 ServiceManager.getService(Context.BACKUP_SERVICE)); 10709 if (bm != null) { 10710 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10711 + " to BM for possible restore"); 10712 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10713 try { 10714 // TODO: http://b/22388012 10715 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 10716 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10717 } else { 10718 doRestore = false; 10719 } 10720 } catch (RemoteException e) { 10721 // can't happen; the backup manager is local 10722 } catch (Exception e) { 10723 Slog.e(TAG, "Exception trying to enqueue restore", e); 10724 doRestore = false; 10725 } 10726 } else { 10727 Slog.e(TAG, "Backup Manager not found!"); 10728 doRestore = false; 10729 } 10730 } 10731 10732 if (!doRestore) { 10733 // No restore possible, or the Backup Manager was mysteriously not 10734 // available -- just fire the post-install work request directly. 10735 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10736 10737 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 10738 10739 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10740 mHandler.sendMessage(msg); 10741 } 10742 } 10743 }); 10744 } 10745 10746 private abstract class HandlerParams { 10747 private static final int MAX_RETRIES = 4; 10748 10749 /** 10750 * Number of times startCopy() has been attempted and had a non-fatal 10751 * error. 10752 */ 10753 private int mRetries = 0; 10754 10755 /** User handle for the user requesting the information or installation. */ 10756 private final UserHandle mUser; 10757 String traceMethod; 10758 int traceCookie; 10759 10760 HandlerParams(UserHandle user) { 10761 mUser = user; 10762 } 10763 10764 UserHandle getUser() { 10765 return mUser; 10766 } 10767 10768 HandlerParams setTraceMethod(String traceMethod) { 10769 this.traceMethod = traceMethod; 10770 return this; 10771 } 10772 10773 HandlerParams setTraceCookie(int traceCookie) { 10774 this.traceCookie = traceCookie; 10775 return this; 10776 } 10777 10778 final boolean startCopy() { 10779 boolean res; 10780 try { 10781 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10782 10783 if (++mRetries > MAX_RETRIES) { 10784 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10785 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10786 handleServiceError(); 10787 return false; 10788 } else { 10789 handleStartCopy(); 10790 res = true; 10791 } 10792 } catch (RemoteException e) { 10793 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10794 mHandler.sendEmptyMessage(MCS_RECONNECT); 10795 res = false; 10796 } 10797 handleReturnCode(); 10798 return res; 10799 } 10800 10801 final void serviceError() { 10802 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10803 handleServiceError(); 10804 handleReturnCode(); 10805 } 10806 10807 abstract void handleStartCopy() throws RemoteException; 10808 abstract void handleServiceError(); 10809 abstract void handleReturnCode(); 10810 } 10811 10812 class MeasureParams extends HandlerParams { 10813 private final PackageStats mStats; 10814 private boolean mSuccess; 10815 10816 private final IPackageStatsObserver mObserver; 10817 10818 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10819 super(new UserHandle(stats.userHandle)); 10820 mObserver = observer; 10821 mStats = stats; 10822 } 10823 10824 @Override 10825 public String toString() { 10826 return "MeasureParams{" 10827 + Integer.toHexString(System.identityHashCode(this)) 10828 + " " + mStats.packageName + "}"; 10829 } 10830 10831 @Override 10832 void handleStartCopy() throws RemoteException { 10833 synchronized (mInstallLock) { 10834 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10835 } 10836 10837 if (mSuccess) { 10838 final boolean mounted; 10839 if (Environment.isExternalStorageEmulated()) { 10840 mounted = true; 10841 } else { 10842 final String status = Environment.getExternalStorageState(); 10843 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10844 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10845 } 10846 10847 if (mounted) { 10848 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10849 10850 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10851 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10852 10853 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10854 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10855 10856 // Always subtract cache size, since it's a subdirectory 10857 mStats.externalDataSize -= mStats.externalCacheSize; 10858 10859 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10860 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10861 10862 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10863 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10864 } 10865 } 10866 } 10867 10868 @Override 10869 void handleReturnCode() { 10870 if (mObserver != null) { 10871 try { 10872 mObserver.onGetStatsCompleted(mStats, mSuccess); 10873 } catch (RemoteException e) { 10874 Slog.i(TAG, "Observer no longer exists."); 10875 } 10876 } 10877 } 10878 10879 @Override 10880 void handleServiceError() { 10881 Slog.e(TAG, "Could not measure application " + mStats.packageName 10882 + " external storage"); 10883 } 10884 } 10885 10886 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10887 throws RemoteException { 10888 long result = 0; 10889 for (File path : paths) { 10890 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10891 } 10892 return result; 10893 } 10894 10895 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10896 for (File path : paths) { 10897 try { 10898 mcs.clearDirectory(path.getAbsolutePath()); 10899 } catch (RemoteException e) { 10900 } 10901 } 10902 } 10903 10904 static class OriginInfo { 10905 /** 10906 * Location where install is coming from, before it has been 10907 * copied/renamed into place. This could be a single monolithic APK 10908 * file, or a cluster directory. This location may be untrusted. 10909 */ 10910 final File file; 10911 final String cid; 10912 10913 /** 10914 * Flag indicating that {@link #file} or {@link #cid} has already been 10915 * staged, meaning downstream users don't need to defensively copy the 10916 * contents. 10917 */ 10918 final boolean staged; 10919 10920 /** 10921 * Flag indicating that {@link #file} or {@link #cid} is an already 10922 * installed app that is being moved. 10923 */ 10924 final boolean existing; 10925 10926 final String resolvedPath; 10927 final File resolvedFile; 10928 10929 static OriginInfo fromNothing() { 10930 return new OriginInfo(null, null, false, false); 10931 } 10932 10933 static OriginInfo fromUntrustedFile(File file) { 10934 return new OriginInfo(file, null, false, false); 10935 } 10936 10937 static OriginInfo fromExistingFile(File file) { 10938 return new OriginInfo(file, null, false, true); 10939 } 10940 10941 static OriginInfo fromStagedFile(File file) { 10942 return new OriginInfo(file, null, true, false); 10943 } 10944 10945 static OriginInfo fromStagedContainer(String cid) { 10946 return new OriginInfo(null, cid, true, false); 10947 } 10948 10949 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10950 this.file = file; 10951 this.cid = cid; 10952 this.staged = staged; 10953 this.existing = existing; 10954 10955 if (cid != null) { 10956 resolvedPath = PackageHelper.getSdDir(cid); 10957 resolvedFile = new File(resolvedPath); 10958 } else if (file != null) { 10959 resolvedPath = file.getAbsolutePath(); 10960 resolvedFile = file; 10961 } else { 10962 resolvedPath = null; 10963 resolvedFile = null; 10964 } 10965 } 10966 } 10967 10968 static class MoveInfo { 10969 final int moveId; 10970 final String fromUuid; 10971 final String toUuid; 10972 final String packageName; 10973 final String dataAppName; 10974 final int appId; 10975 final String seinfo; 10976 10977 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10978 String dataAppName, int appId, String seinfo) { 10979 this.moveId = moveId; 10980 this.fromUuid = fromUuid; 10981 this.toUuid = toUuid; 10982 this.packageName = packageName; 10983 this.dataAppName = dataAppName; 10984 this.appId = appId; 10985 this.seinfo = seinfo; 10986 } 10987 } 10988 10989 class InstallParams extends HandlerParams { 10990 final OriginInfo origin; 10991 final MoveInfo move; 10992 final IPackageInstallObserver2 observer; 10993 int installFlags; 10994 final String installerPackageName; 10995 final String volumeUuid; 10996 final VerificationParams verificationParams; 10997 private InstallArgs mArgs; 10998 private int mRet; 10999 final String packageAbiOverride; 11000 final String[] grantedRuntimePermissions; 11001 11002 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11003 int installFlags, String installerPackageName, String volumeUuid, 11004 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 11005 String[] grantedPermissions) { 11006 super(user); 11007 this.origin = origin; 11008 this.move = move; 11009 this.observer = observer; 11010 this.installFlags = installFlags; 11011 this.installerPackageName = installerPackageName; 11012 this.volumeUuid = volumeUuid; 11013 this.verificationParams = verificationParams; 11014 this.packageAbiOverride = packageAbiOverride; 11015 this.grantedRuntimePermissions = grantedPermissions; 11016 } 11017 11018 @Override 11019 public String toString() { 11020 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11021 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11022 } 11023 11024 public ManifestDigest getManifestDigest() { 11025 if (verificationParams == null) { 11026 return null; 11027 } 11028 return verificationParams.getManifestDigest(); 11029 } 11030 11031 private int installLocationPolicy(PackageInfoLite pkgLite) { 11032 String packageName = pkgLite.packageName; 11033 int installLocation = pkgLite.installLocation; 11034 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11035 // reader 11036 synchronized (mPackages) { 11037 PackageParser.Package pkg = mPackages.get(packageName); 11038 if (pkg != null) { 11039 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11040 // Check for downgrading. 11041 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 11042 try { 11043 checkDowngrade(pkg, pkgLite); 11044 } catch (PackageManagerException e) { 11045 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11046 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11047 } 11048 } 11049 // Check for updated system application. 11050 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11051 if (onSd) { 11052 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11053 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11054 } 11055 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11056 } else { 11057 if (onSd) { 11058 // Install flag overrides everything. 11059 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11060 } 11061 // If current upgrade specifies particular preference 11062 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11063 // Application explicitly specified internal. 11064 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11065 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11066 // App explictly prefers external. Let policy decide 11067 } else { 11068 // Prefer previous location 11069 if (isExternal(pkg)) { 11070 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11071 } 11072 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11073 } 11074 } 11075 } else { 11076 // Invalid install. Return error code 11077 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11078 } 11079 } 11080 } 11081 // All the special cases have been taken care of. 11082 // Return result based on recommended install location. 11083 if (onSd) { 11084 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11085 } 11086 return pkgLite.recommendedInstallLocation; 11087 } 11088 11089 /* 11090 * Invoke remote method to get package information and install 11091 * location values. Override install location based on default 11092 * policy if needed and then create install arguments based 11093 * on the install location. 11094 */ 11095 public void handleStartCopy() throws RemoteException { 11096 int ret = PackageManager.INSTALL_SUCCEEDED; 11097 11098 // If we're already staged, we've firmly committed to an install location 11099 if (origin.staged) { 11100 if (origin.file != null) { 11101 installFlags |= PackageManager.INSTALL_INTERNAL; 11102 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11103 } else if (origin.cid != null) { 11104 installFlags |= PackageManager.INSTALL_EXTERNAL; 11105 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11106 } else { 11107 throw new IllegalStateException("Invalid stage location"); 11108 } 11109 } 11110 11111 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11112 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11113 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11114 PackageInfoLite pkgLite = null; 11115 11116 if (onInt && onSd) { 11117 // Check if both bits are set. 11118 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11119 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11120 } else if (onSd && ephemeral) { 11121 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11122 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11123 } else { 11124 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11125 packageAbiOverride); 11126 11127 if (DEBUG_EPHEMERAL && ephemeral) { 11128 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11129 } 11130 11131 /* 11132 * If we have too little free space, try to free cache 11133 * before giving up. 11134 */ 11135 if (!origin.staged && pkgLite.recommendedInstallLocation 11136 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11137 // TODO: focus freeing disk space on the target device 11138 final StorageManager storage = StorageManager.from(mContext); 11139 final long lowThreshold = storage.getStorageLowBytes( 11140 Environment.getDataDirectory()); 11141 11142 final long sizeBytes = mContainerService.calculateInstalledSize( 11143 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11144 11145 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 11146 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11147 installFlags, packageAbiOverride); 11148 } 11149 11150 /* 11151 * The cache free must have deleted the file we 11152 * downloaded to install. 11153 * 11154 * TODO: fix the "freeCache" call to not delete 11155 * the file we care about. 11156 */ 11157 if (pkgLite.recommendedInstallLocation 11158 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11159 pkgLite.recommendedInstallLocation 11160 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11161 } 11162 } 11163 } 11164 11165 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11166 int loc = pkgLite.recommendedInstallLocation; 11167 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11168 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11169 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11170 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11171 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11172 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11173 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11174 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11175 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11176 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11177 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11178 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11179 } else { 11180 // Override with defaults if needed. 11181 loc = installLocationPolicy(pkgLite); 11182 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11183 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11184 } else if (!onSd && !onInt) { 11185 // Override install location with flags 11186 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11187 // Set the flag to install on external media. 11188 installFlags |= PackageManager.INSTALL_EXTERNAL; 11189 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11190 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11191 if (DEBUG_EPHEMERAL) { 11192 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11193 } 11194 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11195 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11196 |PackageManager.INSTALL_INTERNAL); 11197 } else { 11198 // Make sure the flag for installing on external 11199 // media is unset 11200 installFlags |= PackageManager.INSTALL_INTERNAL; 11201 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11202 } 11203 } 11204 } 11205 } 11206 11207 final InstallArgs args = createInstallArgs(this); 11208 mArgs = args; 11209 11210 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11211 // TODO: http://b/22976637 11212 // Apps installed for "all" users use the device owner to verify the app 11213 UserHandle verifierUser = getUser(); 11214 if (verifierUser == UserHandle.ALL) { 11215 verifierUser = UserHandle.SYSTEM; 11216 } 11217 11218 /* 11219 * Determine if we have any installed package verifiers. If we 11220 * do, then we'll defer to them to verify the packages. 11221 */ 11222 final int requiredUid = mRequiredVerifierPackage == null ? -1 11223 : getPackageUid(mRequiredVerifierPackage, verifierUser.getIdentifier()); 11224 if (!origin.existing && requiredUid != -1 11225 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11226 final Intent verification = new Intent( 11227 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11228 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11229 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11230 PACKAGE_MIME_TYPE); 11231 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11232 11233 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 11234 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 11235 verifierUser.getIdentifier()); 11236 11237 if (DEBUG_VERIFY) { 11238 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11239 + verification.toString() + " with " + pkgLite.verifiers.length 11240 + " optional verifiers"); 11241 } 11242 11243 final int verificationId = mPendingVerificationToken++; 11244 11245 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11246 11247 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11248 installerPackageName); 11249 11250 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11251 installFlags); 11252 11253 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11254 pkgLite.packageName); 11255 11256 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11257 pkgLite.versionCode); 11258 11259 if (verificationParams != null) { 11260 if (verificationParams.getVerificationURI() != null) { 11261 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 11262 verificationParams.getVerificationURI()); 11263 } 11264 if (verificationParams.getOriginatingURI() != null) { 11265 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11266 verificationParams.getOriginatingURI()); 11267 } 11268 if (verificationParams.getReferrer() != null) { 11269 verification.putExtra(Intent.EXTRA_REFERRER, 11270 verificationParams.getReferrer()); 11271 } 11272 if (verificationParams.getOriginatingUid() >= 0) { 11273 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11274 verificationParams.getOriginatingUid()); 11275 } 11276 if (verificationParams.getInstallerUid() >= 0) { 11277 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11278 verificationParams.getInstallerUid()); 11279 } 11280 } 11281 11282 final PackageVerificationState verificationState = new PackageVerificationState( 11283 requiredUid, args); 11284 11285 mPendingVerification.append(verificationId, verificationState); 11286 11287 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11288 receivers, verificationState); 11289 11290 /* 11291 * If any sufficient verifiers were listed in the package 11292 * manifest, attempt to ask them. 11293 */ 11294 if (sufficientVerifiers != null) { 11295 final int N = sufficientVerifiers.size(); 11296 if (N == 0) { 11297 Slog.i(TAG, "Additional verifiers required, but none installed."); 11298 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11299 } else { 11300 for (int i = 0; i < N; i++) { 11301 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11302 11303 final Intent sufficientIntent = new Intent(verification); 11304 sufficientIntent.setComponent(verifierComponent); 11305 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11306 } 11307 } 11308 } 11309 11310 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11311 mRequiredVerifierPackage, receivers); 11312 if (ret == PackageManager.INSTALL_SUCCEEDED 11313 && mRequiredVerifierPackage != null) { 11314 Trace.asyncTraceBegin( 11315 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11316 /* 11317 * Send the intent to the required verification agent, 11318 * but only start the verification timeout after the 11319 * target BroadcastReceivers have run. 11320 */ 11321 verification.setComponent(requiredVerifierComponent); 11322 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11323 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11324 new BroadcastReceiver() { 11325 @Override 11326 public void onReceive(Context context, Intent intent) { 11327 final Message msg = mHandler 11328 .obtainMessage(CHECK_PENDING_VERIFICATION); 11329 msg.arg1 = verificationId; 11330 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11331 } 11332 }, null, 0, null, null); 11333 11334 /* 11335 * We don't want the copy to proceed until verification 11336 * succeeds, so null out this field. 11337 */ 11338 mArgs = null; 11339 } 11340 } else { 11341 /* 11342 * No package verification is enabled, so immediately start 11343 * the remote call to initiate copy using temporary file. 11344 */ 11345 ret = args.copyApk(mContainerService, true); 11346 } 11347 } 11348 11349 mRet = ret; 11350 } 11351 11352 @Override 11353 void handleReturnCode() { 11354 // If mArgs is null, then MCS couldn't be reached. When it 11355 // reconnects, it will try again to install. At that point, this 11356 // will succeed. 11357 if (mArgs != null) { 11358 processPendingInstall(mArgs, mRet); 11359 } 11360 } 11361 11362 @Override 11363 void handleServiceError() { 11364 mArgs = createInstallArgs(this); 11365 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11366 } 11367 11368 public boolean isForwardLocked() { 11369 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11370 } 11371 } 11372 11373 /** 11374 * Used during creation of InstallArgs 11375 * 11376 * @param installFlags package installation flags 11377 * @return true if should be installed on external storage 11378 */ 11379 private static boolean installOnExternalAsec(int installFlags) { 11380 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11381 return false; 11382 } 11383 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11384 return true; 11385 } 11386 return false; 11387 } 11388 11389 /** 11390 * Used during creation of InstallArgs 11391 * 11392 * @param installFlags package installation flags 11393 * @return true if should be installed as forward locked 11394 */ 11395 private static boolean installForwardLocked(int installFlags) { 11396 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11397 } 11398 11399 private InstallArgs createInstallArgs(InstallParams params) { 11400 if (params.move != null) { 11401 return new MoveInstallArgs(params); 11402 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11403 return new AsecInstallArgs(params); 11404 } else { 11405 return new FileInstallArgs(params); 11406 } 11407 } 11408 11409 /** 11410 * Create args that describe an existing installed package. Typically used 11411 * when cleaning up old installs, or used as a move source. 11412 */ 11413 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11414 String resourcePath, String[] instructionSets) { 11415 final boolean isInAsec; 11416 if (installOnExternalAsec(installFlags)) { 11417 /* Apps on SD card are always in ASEC containers. */ 11418 isInAsec = true; 11419 } else if (installForwardLocked(installFlags) 11420 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11421 /* 11422 * Forward-locked apps are only in ASEC containers if they're the 11423 * new style 11424 */ 11425 isInAsec = true; 11426 } else { 11427 isInAsec = false; 11428 } 11429 11430 if (isInAsec) { 11431 return new AsecInstallArgs(codePath, instructionSets, 11432 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11433 } else { 11434 return new FileInstallArgs(codePath, resourcePath, instructionSets); 11435 } 11436 } 11437 11438 static abstract class InstallArgs { 11439 /** @see InstallParams#origin */ 11440 final OriginInfo origin; 11441 /** @see InstallParams#move */ 11442 final MoveInfo move; 11443 11444 final IPackageInstallObserver2 observer; 11445 // Always refers to PackageManager flags only 11446 final int installFlags; 11447 final String installerPackageName; 11448 final String volumeUuid; 11449 final ManifestDigest manifestDigest; 11450 final UserHandle user; 11451 final String abiOverride; 11452 final String[] installGrantPermissions; 11453 /** If non-null, drop an async trace when the install completes */ 11454 final String traceMethod; 11455 final int traceCookie; 11456 11457 // The list of instruction sets supported by this app. This is currently 11458 // only used during the rmdex() phase to clean up resources. We can get rid of this 11459 // if we move dex files under the common app path. 11460 /* nullable */ String[] instructionSets; 11461 11462 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11463 int installFlags, String installerPackageName, String volumeUuid, 11464 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 11465 String abiOverride, String[] installGrantPermissions, 11466 String traceMethod, int traceCookie) { 11467 this.origin = origin; 11468 this.move = move; 11469 this.installFlags = installFlags; 11470 this.observer = observer; 11471 this.installerPackageName = installerPackageName; 11472 this.volumeUuid = volumeUuid; 11473 this.manifestDigest = manifestDigest; 11474 this.user = user; 11475 this.instructionSets = instructionSets; 11476 this.abiOverride = abiOverride; 11477 this.installGrantPermissions = installGrantPermissions; 11478 this.traceMethod = traceMethod; 11479 this.traceCookie = traceCookie; 11480 } 11481 11482 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 11483 abstract int doPreInstall(int status); 11484 11485 /** 11486 * Rename package into final resting place. All paths on the given 11487 * scanned package should be updated to reflect the rename. 11488 */ 11489 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 11490 abstract int doPostInstall(int status, int uid); 11491 11492 /** @see PackageSettingBase#codePathString */ 11493 abstract String getCodePath(); 11494 /** @see PackageSettingBase#resourcePathString */ 11495 abstract String getResourcePath(); 11496 11497 // Need installer lock especially for dex file removal. 11498 abstract void cleanUpResourcesLI(); 11499 abstract boolean doPostDeleteLI(boolean delete); 11500 11501 /** 11502 * Called before the source arguments are copied. This is used mostly 11503 * for MoveParams when it needs to read the source file to put it in the 11504 * destination. 11505 */ 11506 int doPreCopy() { 11507 return PackageManager.INSTALL_SUCCEEDED; 11508 } 11509 11510 /** 11511 * Called after the source arguments are copied. This is used mostly for 11512 * MoveParams when it needs to read the source file to put it in the 11513 * destination. 11514 * 11515 * @return 11516 */ 11517 int doPostCopy(int uid) { 11518 return PackageManager.INSTALL_SUCCEEDED; 11519 } 11520 11521 protected boolean isFwdLocked() { 11522 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11523 } 11524 11525 protected boolean isExternalAsec() { 11526 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11527 } 11528 11529 protected boolean isEphemeral() { 11530 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11531 } 11532 11533 UserHandle getUser() { 11534 return user; 11535 } 11536 } 11537 11538 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 11539 if (!allCodePaths.isEmpty()) { 11540 if (instructionSets == null) { 11541 throw new IllegalStateException("instructionSet == null"); 11542 } 11543 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11544 for (String codePath : allCodePaths) { 11545 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11546 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 11547 if (retCode < 0) { 11548 Slog.w(TAG, "Couldn't remove dex file for package: " 11549 + " at location " + codePath + ", retcode=" + retCode); 11550 // we don't consider this to be a failure of the core package deletion 11551 } 11552 } 11553 } 11554 } 11555 } 11556 11557 /** 11558 * Logic to handle installation of non-ASEC applications, including copying 11559 * and renaming logic. 11560 */ 11561 class FileInstallArgs extends InstallArgs { 11562 private File codeFile; 11563 private File resourceFile; 11564 11565 // Example topology: 11566 // /data/app/com.example/base.apk 11567 // /data/app/com.example/split_foo.apk 11568 // /data/app/com.example/lib/arm/libfoo.so 11569 // /data/app/com.example/lib/arm64/libfoo.so 11570 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11571 11572 /** New install */ 11573 FileInstallArgs(InstallParams params) { 11574 super(params.origin, params.move, params.observer, params.installFlags, 11575 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11576 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11577 params.grantedRuntimePermissions, 11578 params.traceMethod, params.traceCookie); 11579 if (isFwdLocked()) { 11580 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11581 } 11582 } 11583 11584 /** Existing install */ 11585 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11586 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 11587 null, null, null, 0); 11588 this.codeFile = (codePath != null) ? new File(codePath) : null; 11589 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11590 } 11591 11592 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11593 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 11594 try { 11595 return doCopyApk(imcs, temp); 11596 } finally { 11597 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11598 } 11599 } 11600 11601 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11602 if (origin.staged) { 11603 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11604 codeFile = origin.file; 11605 resourceFile = origin.file; 11606 return PackageManager.INSTALL_SUCCEEDED; 11607 } 11608 11609 try { 11610 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11611 final File tempDir = 11612 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 11613 codeFile = tempDir; 11614 resourceFile = tempDir; 11615 } catch (IOException e) { 11616 Slog.w(TAG, "Failed to create copy file: " + e); 11617 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11618 } 11619 11620 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11621 @Override 11622 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11623 if (!FileUtils.isValidExtFilename(name)) { 11624 throw new IllegalArgumentException("Invalid filename: " + name); 11625 } 11626 try { 11627 final File file = new File(codeFile, name); 11628 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11629 O_RDWR | O_CREAT, 0644); 11630 Os.chmod(file.getAbsolutePath(), 0644); 11631 return new ParcelFileDescriptor(fd); 11632 } catch (ErrnoException e) { 11633 throw new RemoteException("Failed to open: " + e.getMessage()); 11634 } 11635 } 11636 }; 11637 11638 int ret = PackageManager.INSTALL_SUCCEEDED; 11639 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11640 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11641 Slog.e(TAG, "Failed to copy package"); 11642 return ret; 11643 } 11644 11645 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11646 NativeLibraryHelper.Handle handle = null; 11647 try { 11648 handle = NativeLibraryHelper.Handle.create(codeFile); 11649 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11650 abiOverride); 11651 } catch (IOException e) { 11652 Slog.e(TAG, "Copying native libraries failed", e); 11653 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11654 } finally { 11655 IoUtils.closeQuietly(handle); 11656 } 11657 11658 return ret; 11659 } 11660 11661 int doPreInstall(int status) { 11662 if (status != PackageManager.INSTALL_SUCCEEDED) { 11663 cleanUp(); 11664 } 11665 return status; 11666 } 11667 11668 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11669 if (status != PackageManager.INSTALL_SUCCEEDED) { 11670 cleanUp(); 11671 return false; 11672 } 11673 11674 final File targetDir = codeFile.getParentFile(); 11675 final File beforeCodeFile = codeFile; 11676 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11677 11678 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11679 try { 11680 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11681 } catch (ErrnoException e) { 11682 Slog.w(TAG, "Failed to rename", e); 11683 return false; 11684 } 11685 11686 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11687 Slog.w(TAG, "Failed to restorecon"); 11688 return false; 11689 } 11690 11691 // Reflect the rename internally 11692 codeFile = afterCodeFile; 11693 resourceFile = afterCodeFile; 11694 11695 // Reflect the rename in scanned details 11696 pkg.codePath = afterCodeFile.getAbsolutePath(); 11697 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11698 pkg.baseCodePath); 11699 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11700 pkg.splitCodePaths); 11701 11702 // Reflect the rename in app info 11703 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11704 pkg.applicationInfo.setCodePath(pkg.codePath); 11705 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11706 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11707 pkg.applicationInfo.setResourcePath(pkg.codePath); 11708 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11709 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11710 11711 return true; 11712 } 11713 11714 int doPostInstall(int status, int uid) { 11715 if (status != PackageManager.INSTALL_SUCCEEDED) { 11716 cleanUp(); 11717 } 11718 return status; 11719 } 11720 11721 @Override 11722 String getCodePath() { 11723 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11724 } 11725 11726 @Override 11727 String getResourcePath() { 11728 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11729 } 11730 11731 private boolean cleanUp() { 11732 if (codeFile == null || !codeFile.exists()) { 11733 return false; 11734 } 11735 11736 if (codeFile.isDirectory()) { 11737 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11738 } else { 11739 codeFile.delete(); 11740 } 11741 11742 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11743 resourceFile.delete(); 11744 } 11745 11746 return true; 11747 } 11748 11749 void cleanUpResourcesLI() { 11750 // Try enumerating all code paths before deleting 11751 List<String> allCodePaths = Collections.EMPTY_LIST; 11752 if (codeFile != null && codeFile.exists()) { 11753 try { 11754 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11755 allCodePaths = pkg.getAllCodePaths(); 11756 } catch (PackageParserException e) { 11757 // Ignored; we tried our best 11758 } 11759 } 11760 11761 cleanUp(); 11762 removeDexFiles(allCodePaths, instructionSets); 11763 } 11764 11765 boolean doPostDeleteLI(boolean delete) { 11766 // XXX err, shouldn't we respect the delete flag? 11767 cleanUpResourcesLI(); 11768 return true; 11769 } 11770 } 11771 11772 private boolean isAsecExternal(String cid) { 11773 final String asecPath = PackageHelper.getSdFilesystem(cid); 11774 return !asecPath.startsWith(mAsecInternalPath); 11775 } 11776 11777 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11778 PackageManagerException { 11779 if (copyRet < 0) { 11780 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11781 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11782 throw new PackageManagerException(copyRet, message); 11783 } 11784 } 11785 } 11786 11787 /** 11788 * Extract the MountService "container ID" from the full code path of an 11789 * .apk. 11790 */ 11791 static String cidFromCodePath(String fullCodePath) { 11792 int eidx = fullCodePath.lastIndexOf("/"); 11793 String subStr1 = fullCodePath.substring(0, eidx); 11794 int sidx = subStr1.lastIndexOf("/"); 11795 return subStr1.substring(sidx+1, eidx); 11796 } 11797 11798 /** 11799 * Logic to handle installation of ASEC applications, including copying and 11800 * renaming logic. 11801 */ 11802 class AsecInstallArgs extends InstallArgs { 11803 static final String RES_FILE_NAME = "pkg.apk"; 11804 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11805 11806 String cid; 11807 String packagePath; 11808 String resourcePath; 11809 11810 /** New install */ 11811 AsecInstallArgs(InstallParams params) { 11812 super(params.origin, params.move, params.observer, params.installFlags, 11813 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11814 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11815 params.grantedRuntimePermissions, 11816 params.traceMethod, params.traceCookie); 11817 } 11818 11819 /** Existing install */ 11820 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11821 boolean isExternal, boolean isForwardLocked) { 11822 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11823 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11824 instructionSets, null, null, null, 0); 11825 // Hackily pretend we're still looking at a full code path 11826 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11827 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11828 } 11829 11830 // Extract cid from fullCodePath 11831 int eidx = fullCodePath.lastIndexOf("/"); 11832 String subStr1 = fullCodePath.substring(0, eidx); 11833 int sidx = subStr1.lastIndexOf("/"); 11834 cid = subStr1.substring(sidx+1, eidx); 11835 setMountPath(subStr1); 11836 } 11837 11838 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11839 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11840 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11841 instructionSets, null, null, null, 0); 11842 this.cid = cid; 11843 setMountPath(PackageHelper.getSdDir(cid)); 11844 } 11845 11846 void createCopyFile() { 11847 cid = mInstallerService.allocateExternalStageCidLegacy(); 11848 } 11849 11850 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11851 if (origin.staged && origin.cid != null) { 11852 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11853 cid = origin.cid; 11854 setMountPath(PackageHelper.getSdDir(cid)); 11855 return PackageManager.INSTALL_SUCCEEDED; 11856 } 11857 11858 if (temp) { 11859 createCopyFile(); 11860 } else { 11861 /* 11862 * Pre-emptively destroy the container since it's destroyed if 11863 * copying fails due to it existing anyway. 11864 */ 11865 PackageHelper.destroySdDir(cid); 11866 } 11867 11868 final String newMountPath = imcs.copyPackageToContainer( 11869 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11870 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11871 11872 if (newMountPath != null) { 11873 setMountPath(newMountPath); 11874 return PackageManager.INSTALL_SUCCEEDED; 11875 } else { 11876 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11877 } 11878 } 11879 11880 @Override 11881 String getCodePath() { 11882 return packagePath; 11883 } 11884 11885 @Override 11886 String getResourcePath() { 11887 return resourcePath; 11888 } 11889 11890 int doPreInstall(int status) { 11891 if (status != PackageManager.INSTALL_SUCCEEDED) { 11892 // Destroy container 11893 PackageHelper.destroySdDir(cid); 11894 } else { 11895 boolean mounted = PackageHelper.isContainerMounted(cid); 11896 if (!mounted) { 11897 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11898 Process.SYSTEM_UID); 11899 if (newMountPath != null) { 11900 setMountPath(newMountPath); 11901 } else { 11902 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11903 } 11904 } 11905 } 11906 return status; 11907 } 11908 11909 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11910 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11911 String newMountPath = null; 11912 if (PackageHelper.isContainerMounted(cid)) { 11913 // Unmount the container 11914 if (!PackageHelper.unMountSdDir(cid)) { 11915 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11916 return false; 11917 } 11918 } 11919 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11920 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11921 " which might be stale. Will try to clean up."); 11922 // Clean up the stale container and proceed to recreate. 11923 if (!PackageHelper.destroySdDir(newCacheId)) { 11924 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11925 return false; 11926 } 11927 // Successfully cleaned up stale container. Try to rename again. 11928 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11929 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11930 + " inspite of cleaning it up."); 11931 return false; 11932 } 11933 } 11934 if (!PackageHelper.isContainerMounted(newCacheId)) { 11935 Slog.w(TAG, "Mounting container " + newCacheId); 11936 newMountPath = PackageHelper.mountSdDir(newCacheId, 11937 getEncryptKey(), Process.SYSTEM_UID); 11938 } else { 11939 newMountPath = PackageHelper.getSdDir(newCacheId); 11940 } 11941 if (newMountPath == null) { 11942 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11943 return false; 11944 } 11945 Log.i(TAG, "Succesfully renamed " + cid + 11946 " to " + newCacheId + 11947 " at new path: " + newMountPath); 11948 cid = newCacheId; 11949 11950 final File beforeCodeFile = new File(packagePath); 11951 setMountPath(newMountPath); 11952 final File afterCodeFile = new File(packagePath); 11953 11954 // Reflect the rename in scanned details 11955 pkg.codePath = afterCodeFile.getAbsolutePath(); 11956 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11957 pkg.baseCodePath); 11958 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11959 pkg.splitCodePaths); 11960 11961 // Reflect the rename in app info 11962 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11963 pkg.applicationInfo.setCodePath(pkg.codePath); 11964 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11965 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11966 pkg.applicationInfo.setResourcePath(pkg.codePath); 11967 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11968 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11969 11970 return true; 11971 } 11972 11973 private void setMountPath(String mountPath) { 11974 final File mountFile = new File(mountPath); 11975 11976 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11977 if (monolithicFile.exists()) { 11978 packagePath = monolithicFile.getAbsolutePath(); 11979 if (isFwdLocked()) { 11980 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11981 } else { 11982 resourcePath = packagePath; 11983 } 11984 } else { 11985 packagePath = mountFile.getAbsolutePath(); 11986 resourcePath = packagePath; 11987 } 11988 } 11989 11990 int doPostInstall(int status, int uid) { 11991 if (status != PackageManager.INSTALL_SUCCEEDED) { 11992 cleanUp(); 11993 } else { 11994 final int groupOwner; 11995 final String protectedFile; 11996 if (isFwdLocked()) { 11997 groupOwner = UserHandle.getSharedAppGid(uid); 11998 protectedFile = RES_FILE_NAME; 11999 } else { 12000 groupOwner = -1; 12001 protectedFile = null; 12002 } 12003 12004 if (uid < Process.FIRST_APPLICATION_UID 12005 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12006 Slog.e(TAG, "Failed to finalize " + cid); 12007 PackageHelper.destroySdDir(cid); 12008 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12009 } 12010 12011 boolean mounted = PackageHelper.isContainerMounted(cid); 12012 if (!mounted) { 12013 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12014 } 12015 } 12016 return status; 12017 } 12018 12019 private void cleanUp() { 12020 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12021 12022 // Destroy secure container 12023 PackageHelper.destroySdDir(cid); 12024 } 12025 12026 private List<String> getAllCodePaths() { 12027 final File codeFile = new File(getCodePath()); 12028 if (codeFile != null && codeFile.exists()) { 12029 try { 12030 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12031 return pkg.getAllCodePaths(); 12032 } catch (PackageParserException e) { 12033 // Ignored; we tried our best 12034 } 12035 } 12036 return Collections.EMPTY_LIST; 12037 } 12038 12039 void cleanUpResourcesLI() { 12040 // Enumerate all code paths before deleting 12041 cleanUpResourcesLI(getAllCodePaths()); 12042 } 12043 12044 private void cleanUpResourcesLI(List<String> allCodePaths) { 12045 cleanUp(); 12046 removeDexFiles(allCodePaths, instructionSets); 12047 } 12048 12049 String getPackageName() { 12050 return getAsecPackageName(cid); 12051 } 12052 12053 boolean doPostDeleteLI(boolean delete) { 12054 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12055 final List<String> allCodePaths = getAllCodePaths(); 12056 boolean mounted = PackageHelper.isContainerMounted(cid); 12057 if (mounted) { 12058 // Unmount first 12059 if (PackageHelper.unMountSdDir(cid)) { 12060 mounted = false; 12061 } 12062 } 12063 if (!mounted && delete) { 12064 cleanUpResourcesLI(allCodePaths); 12065 } 12066 return !mounted; 12067 } 12068 12069 @Override 12070 int doPreCopy() { 12071 if (isFwdLocked()) { 12072 if (!PackageHelper.fixSdPermissions(cid, 12073 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 12074 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12075 } 12076 } 12077 12078 return PackageManager.INSTALL_SUCCEEDED; 12079 } 12080 12081 @Override 12082 int doPostCopy(int uid) { 12083 if (isFwdLocked()) { 12084 if (uid < Process.FIRST_APPLICATION_UID 12085 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12086 RES_FILE_NAME)) { 12087 Slog.e(TAG, "Failed to finalize " + cid); 12088 PackageHelper.destroySdDir(cid); 12089 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12090 } 12091 } 12092 12093 return PackageManager.INSTALL_SUCCEEDED; 12094 } 12095 } 12096 12097 /** 12098 * Logic to handle movement of existing installed applications. 12099 */ 12100 class MoveInstallArgs extends InstallArgs { 12101 private File codeFile; 12102 private File resourceFile; 12103 12104 /** New install */ 12105 MoveInstallArgs(InstallParams params) { 12106 super(params.origin, params.move, params.observer, params.installFlags, 12107 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 12108 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12109 params.grantedRuntimePermissions, 12110 params.traceMethod, params.traceCookie); 12111 } 12112 12113 int copyApk(IMediaContainerService imcs, boolean temp) { 12114 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12115 + move.fromUuid + " to " + move.toUuid); 12116 synchronized (mInstaller) { 12117 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12118 move.dataAppName, move.appId, move.seinfo) != 0) { 12119 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12120 } 12121 } 12122 12123 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12124 resourceFile = codeFile; 12125 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12126 12127 return PackageManager.INSTALL_SUCCEEDED; 12128 } 12129 12130 int doPreInstall(int status) { 12131 if (status != PackageManager.INSTALL_SUCCEEDED) { 12132 cleanUp(move.toUuid); 12133 } 12134 return status; 12135 } 12136 12137 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12138 if (status != PackageManager.INSTALL_SUCCEEDED) { 12139 cleanUp(move.toUuid); 12140 return false; 12141 } 12142 12143 // Reflect the move in app info 12144 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 12145 pkg.applicationInfo.setCodePath(pkg.codePath); 12146 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 12147 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 12148 pkg.applicationInfo.setResourcePath(pkg.codePath); 12149 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 12150 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 12151 12152 return true; 12153 } 12154 12155 int doPostInstall(int status, int uid) { 12156 if (status == PackageManager.INSTALL_SUCCEEDED) { 12157 cleanUp(move.fromUuid); 12158 } else { 12159 cleanUp(move.toUuid); 12160 } 12161 return status; 12162 } 12163 12164 @Override 12165 String getCodePath() { 12166 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12167 } 12168 12169 @Override 12170 String getResourcePath() { 12171 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12172 } 12173 12174 private boolean cleanUp(String volumeUuid) { 12175 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12176 move.dataAppName); 12177 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12178 synchronized (mInstallLock) { 12179 // Clean up both app data and code 12180 removeDataDirsLI(volumeUuid, move.packageName); 12181 if (codeFile.isDirectory()) { 12182 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 12183 } else { 12184 codeFile.delete(); 12185 } 12186 } 12187 return true; 12188 } 12189 12190 void cleanUpResourcesLI() { 12191 throw new UnsupportedOperationException(); 12192 } 12193 12194 boolean doPostDeleteLI(boolean delete) { 12195 throw new UnsupportedOperationException(); 12196 } 12197 } 12198 12199 static String getAsecPackageName(String packageCid) { 12200 int idx = packageCid.lastIndexOf("-"); 12201 if (idx == -1) { 12202 return packageCid; 12203 } 12204 return packageCid.substring(0, idx); 12205 } 12206 12207 // Utility method used to create code paths based on package name and available index. 12208 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12209 String idxStr = ""; 12210 int idx = 1; 12211 // Fall back to default value of idx=1 if prefix is not 12212 // part of oldCodePath 12213 if (oldCodePath != null) { 12214 String subStr = oldCodePath; 12215 // Drop the suffix right away 12216 if (suffix != null && subStr.endsWith(suffix)) { 12217 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12218 } 12219 // If oldCodePath already contains prefix find out the 12220 // ending index to either increment or decrement. 12221 int sidx = subStr.lastIndexOf(prefix); 12222 if (sidx != -1) { 12223 subStr = subStr.substring(sidx + prefix.length()); 12224 if (subStr != null) { 12225 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12226 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12227 } 12228 try { 12229 idx = Integer.parseInt(subStr); 12230 if (idx <= 1) { 12231 idx++; 12232 } else { 12233 idx--; 12234 } 12235 } catch(NumberFormatException e) { 12236 } 12237 } 12238 } 12239 } 12240 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12241 return prefix + idxStr; 12242 } 12243 12244 private File getNextCodePath(File targetDir, String packageName) { 12245 int suffix = 1; 12246 File result; 12247 do { 12248 result = new File(targetDir, packageName + "-" + suffix); 12249 suffix++; 12250 } while (result.exists()); 12251 return result; 12252 } 12253 12254 // Utility method that returns the relative package path with respect 12255 // to the installation directory. Like say for /data/data/com.test-1.apk 12256 // string com.test-1 is returned. 12257 static String deriveCodePathName(String codePath) { 12258 if (codePath == null) { 12259 return null; 12260 } 12261 final File codeFile = new File(codePath); 12262 final String name = codeFile.getName(); 12263 if (codeFile.isDirectory()) { 12264 return name; 12265 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12266 final int lastDot = name.lastIndexOf('.'); 12267 return name.substring(0, lastDot); 12268 } else { 12269 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12270 return null; 12271 } 12272 } 12273 12274 static class PackageInstalledInfo { 12275 String name; 12276 int uid; 12277 // The set of users that originally had this package installed. 12278 int[] origUsers; 12279 // The set of users that now have this package installed. 12280 int[] newUsers; 12281 PackageParser.Package pkg; 12282 int returnCode; 12283 String returnMsg; 12284 PackageRemovedInfo removedInfo; 12285 12286 public void setError(int code, String msg) { 12287 returnCode = code; 12288 returnMsg = msg; 12289 Slog.w(TAG, msg); 12290 } 12291 12292 public void setError(String msg, PackageParserException e) { 12293 returnCode = e.error; 12294 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12295 Slog.w(TAG, msg, e); 12296 } 12297 12298 public void setError(String msg, PackageManagerException e) { 12299 returnCode = e.error; 12300 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12301 Slog.w(TAG, msg, e); 12302 } 12303 12304 // In some error cases we want to convey more info back to the observer 12305 String origPackage; 12306 String origPermission; 12307 } 12308 12309 /* 12310 * Install a non-existing package. 12311 */ 12312 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12313 UserHandle user, String installerPackageName, String volumeUuid, 12314 PackageInstalledInfo res) { 12315 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12316 12317 // Remember this for later, in case we need to rollback this install 12318 String pkgName = pkg.packageName; 12319 12320 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12321 // TODO: b/23350563 12322 final boolean dataDirExists = Environment 12323 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists(); 12324 12325 synchronized(mPackages) { 12326 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12327 // A package with the same name is already installed, though 12328 // it has been renamed to an older name. The package we 12329 // are trying to install should be installed as an update to 12330 // the existing one, but that has not been requested, so bail. 12331 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12332 + " without first uninstalling package running as " 12333 + mSettings.mRenamedPackages.get(pkgName)); 12334 return; 12335 } 12336 if (mPackages.containsKey(pkgName)) { 12337 // Don't allow installation over an existing package with the same name. 12338 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12339 + " without first uninstalling."); 12340 return; 12341 } 12342 } 12343 12344 try { 12345 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12346 System.currentTimeMillis(), user); 12347 12348 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 12349 // delete the partially installed application. the data directory will have to be 12350 // restored if it was already existing 12351 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12352 // remove package from internal structures. Note that we want deletePackageX to 12353 // delete the package data and cache directories that it created in 12354 // scanPackageLocked, unless those directories existed before we even tried to 12355 // install. 12356 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 12357 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 12358 res.removedInfo, true); 12359 } 12360 12361 } catch (PackageManagerException e) { 12362 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12363 } 12364 12365 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12366 } 12367 12368 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12369 // Can't rotate keys during boot or if sharedUser. 12370 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12371 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12372 return false; 12373 } 12374 // app is using upgradeKeySets; make sure all are valid 12375 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12376 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12377 for (int i = 0; i < upgradeKeySets.length; i++) { 12378 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12379 Slog.wtf(TAG, "Package " 12380 + (oldPs.name != null ? oldPs.name : "<null>") 12381 + " contains upgrade-key-set reference to unknown key-set: " 12382 + upgradeKeySets[i] 12383 + " reverting to signatures check."); 12384 return false; 12385 } 12386 } 12387 return true; 12388 } 12389 12390 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12391 // Upgrade keysets are being used. Determine if new package has a superset of the 12392 // required keys. 12393 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12394 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12395 for (int i = 0; i < upgradeKeySets.length; i++) { 12396 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12397 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12398 return true; 12399 } 12400 } 12401 return false; 12402 } 12403 12404 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12405 UserHandle user, String installerPackageName, String volumeUuid, 12406 PackageInstalledInfo res) { 12407 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 12408 12409 final PackageParser.Package oldPackage; 12410 final String pkgName = pkg.packageName; 12411 final int[] allUsers; 12412 final boolean[] perUserInstalled; 12413 12414 // First find the old package info and check signatures 12415 synchronized(mPackages) { 12416 oldPackage = mPackages.get(pkgName); 12417 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 12418 if (isEphemeral && !oldIsEphemeral) { 12419 // can't downgrade from full to ephemeral 12420 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 12421 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12422 return; 12423 } 12424 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12425 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12426 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12427 if(!checkUpgradeKeySetLP(ps, pkg)) { 12428 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12429 "New package not signed by keys specified by upgrade-keysets: " 12430 + pkgName); 12431 return; 12432 } 12433 } else { 12434 // default to original signature matching 12435 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 12436 != PackageManager.SIGNATURE_MATCH) { 12437 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12438 "New package has a different signature: " + pkgName); 12439 return; 12440 } 12441 } 12442 12443 // In case of rollback, remember per-user/profile install state 12444 allUsers = sUserManager.getUserIds(); 12445 perUserInstalled = new boolean[allUsers.length]; 12446 for (int i = 0; i < allUsers.length; i++) { 12447 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12448 } 12449 } 12450 12451 boolean sysPkg = (isSystemApp(oldPackage)); 12452 if (sysPkg) { 12453 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12454 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12455 } else { 12456 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12457 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12458 } 12459 } 12460 12461 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 12462 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12463 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12464 String volumeUuid, PackageInstalledInfo res) { 12465 String pkgName = deletedPackage.packageName; 12466 boolean deletedPkg = true; 12467 boolean updatedSettings = false; 12468 12469 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 12470 + deletedPackage); 12471 long origUpdateTime; 12472 if (pkg.mExtras != null) { 12473 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 12474 } else { 12475 origUpdateTime = 0; 12476 } 12477 12478 // First delete the existing package while retaining the data directory 12479 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 12480 res.removedInfo, true)) { 12481 // If the existing package wasn't successfully deleted 12482 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 12483 deletedPkg = false; 12484 } else { 12485 // Successfully deleted the old package; proceed with replace. 12486 12487 // If deleted package lived in a container, give users a chance to 12488 // relinquish resources before killing. 12489 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 12490 if (DEBUG_INSTALL) { 12491 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 12492 } 12493 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 12494 final ArrayList<String> pkgList = new ArrayList<String>(1); 12495 pkgList.add(deletedPackage.applicationInfo.packageName); 12496 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 12497 } 12498 12499 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 12500 try { 12501 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 12502 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 12503 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12504 perUserInstalled, res, user); 12505 updatedSettings = true; 12506 } catch (PackageManagerException e) { 12507 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12508 } 12509 } 12510 12511 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12512 // remove package from internal structures. Note that we want deletePackageX to 12513 // delete the package data and cache directories that it created in 12514 // scanPackageLocked, unless those directories existed before we even tried to 12515 // install. 12516 if(updatedSettings) { 12517 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 12518 deletePackageLI( 12519 pkgName, null, true, allUsers, perUserInstalled, 12520 PackageManager.DELETE_KEEP_DATA, 12521 res.removedInfo, true); 12522 } 12523 // Since we failed to install the new package we need to restore the old 12524 // package that we deleted. 12525 if (deletedPkg) { 12526 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 12527 File restoreFile = new File(deletedPackage.codePath); 12528 // Parse old package 12529 boolean oldExternal = isExternal(deletedPackage); 12530 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 12531 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 12532 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12533 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 12534 try { 12535 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 12536 null); 12537 } catch (PackageManagerException e) { 12538 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 12539 + e.getMessage()); 12540 return; 12541 } 12542 // Restore of old package succeeded. Update permissions. 12543 // writer 12544 synchronized (mPackages) { 12545 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 12546 UPDATE_PERMISSIONS_ALL); 12547 // can downgrade to reader 12548 mSettings.writeLPr(); 12549 } 12550 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 12551 } 12552 } 12553 } 12554 12555 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 12556 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12557 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12558 String volumeUuid, PackageInstalledInfo res) { 12559 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 12560 + ", old=" + deletedPackage); 12561 boolean disabledSystem = false; 12562 boolean updatedSettings = false; 12563 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 12564 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 12565 != 0) { 12566 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12567 } 12568 String packageName = deletedPackage.packageName; 12569 if (packageName == null) { 12570 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12571 "Attempt to delete null packageName."); 12572 return; 12573 } 12574 PackageParser.Package oldPkg; 12575 PackageSetting oldPkgSetting; 12576 // reader 12577 synchronized (mPackages) { 12578 oldPkg = mPackages.get(packageName); 12579 oldPkgSetting = mSettings.mPackages.get(packageName); 12580 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12581 (oldPkgSetting == null)) { 12582 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12583 "Couldn't find package:" + packageName + " information"); 12584 return; 12585 } 12586 } 12587 12588 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12589 12590 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12591 res.removedInfo.removedPackage = packageName; 12592 // Remove existing system package 12593 removePackageLI(oldPkgSetting, true); 12594 // writer 12595 synchronized (mPackages) { 12596 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12597 if (!disabledSystem && deletedPackage != null) { 12598 // We didn't need to disable the .apk as a current system package, 12599 // which means we are replacing another update that is already 12600 // installed. We need to make sure to delete the older one's .apk. 12601 res.removedInfo.args = createInstallArgsForExisting(0, 12602 deletedPackage.applicationInfo.getCodePath(), 12603 deletedPackage.applicationInfo.getResourcePath(), 12604 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12605 } else { 12606 res.removedInfo.args = null; 12607 } 12608 } 12609 12610 // Successfully disabled the old package. Now proceed with re-installation 12611 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12612 12613 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12614 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12615 12616 PackageParser.Package newPackage = null; 12617 try { 12618 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 12619 if (newPackage.mExtras != null) { 12620 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12621 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12622 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12623 12624 // is the update attempting to change shared user? that isn't going to work... 12625 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12626 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12627 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12628 + " to " + newPkgSetting.sharedUser); 12629 updatedSettings = true; 12630 } 12631 } 12632 12633 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12634 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12635 perUserInstalled, res, user); 12636 updatedSettings = true; 12637 } 12638 12639 } catch (PackageManagerException e) { 12640 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12641 } 12642 12643 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12644 // Re installation failed. Restore old information 12645 // Remove new pkg information 12646 if (newPackage != null) { 12647 removeInstalledPackageLI(newPackage, true); 12648 } 12649 // Add back the old system package 12650 try { 12651 scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12652 } catch (PackageManagerException e) { 12653 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12654 } 12655 // Restore the old system information in Settings 12656 synchronized (mPackages) { 12657 if (disabledSystem) { 12658 mSettings.enableSystemPackageLPw(packageName); 12659 } 12660 if (updatedSettings) { 12661 mSettings.setInstallerPackageName(packageName, 12662 oldPkgSetting.installerPackageName); 12663 } 12664 mSettings.writeLPr(); 12665 } 12666 } 12667 } 12668 12669 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 12670 // Collect all used permissions in the UID 12671 ArraySet<String> usedPermissions = new ArraySet<>(); 12672 final int packageCount = su.packages.size(); 12673 for (int i = 0; i < packageCount; i++) { 12674 PackageSetting ps = su.packages.valueAt(i); 12675 if (ps.pkg == null) { 12676 continue; 12677 } 12678 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 12679 for (int j = 0; j < requestedPermCount; j++) { 12680 String permission = ps.pkg.requestedPermissions.get(j); 12681 BasePermission bp = mSettings.mPermissions.get(permission); 12682 if (bp != null) { 12683 usedPermissions.add(permission); 12684 } 12685 } 12686 } 12687 12688 PermissionsState permissionsState = su.getPermissionsState(); 12689 // Prune install permissions 12690 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 12691 final int installPermCount = installPermStates.size(); 12692 for (int i = installPermCount - 1; i >= 0; i--) { 12693 PermissionState permissionState = installPermStates.get(i); 12694 if (!usedPermissions.contains(permissionState.getName())) { 12695 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12696 if (bp != null) { 12697 permissionsState.revokeInstallPermission(bp); 12698 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12699 PackageManager.MASK_PERMISSION_FLAGS, 0); 12700 } 12701 } 12702 } 12703 12704 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 12705 12706 // Prune runtime permissions 12707 for (int userId : allUserIds) { 12708 List<PermissionState> runtimePermStates = permissionsState 12709 .getRuntimePermissionStates(userId); 12710 final int runtimePermCount = runtimePermStates.size(); 12711 for (int i = runtimePermCount - 1; i >= 0; i--) { 12712 PermissionState permissionState = runtimePermStates.get(i); 12713 if (!usedPermissions.contains(permissionState.getName())) { 12714 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12715 if (bp != null) { 12716 permissionsState.revokeRuntimePermission(bp, userId); 12717 permissionsState.updatePermissionFlags(bp, userId, 12718 PackageManager.MASK_PERMISSION_FLAGS, 0); 12719 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 12720 runtimePermissionChangedUserIds, userId); 12721 } 12722 } 12723 } 12724 } 12725 12726 return runtimePermissionChangedUserIds; 12727 } 12728 12729 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12730 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12731 UserHandle user) { 12732 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 12733 12734 String pkgName = newPackage.packageName; 12735 synchronized (mPackages) { 12736 //write settings. the installStatus will be incomplete at this stage. 12737 //note that the new package setting would have already been 12738 //added to mPackages. It hasn't been persisted yet. 12739 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12740 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12741 mSettings.writeLPr(); 12742 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12743 } 12744 12745 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12746 synchronized (mPackages) { 12747 updatePermissionsLPw(newPackage.packageName, newPackage, 12748 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12749 ? UPDATE_PERMISSIONS_ALL : 0)); 12750 // For system-bundled packages, we assume that installing an upgraded version 12751 // of the package implies that the user actually wants to run that new code, 12752 // so we enable the package. 12753 PackageSetting ps = mSettings.mPackages.get(pkgName); 12754 if (ps != null) { 12755 if (isSystemApp(newPackage)) { 12756 // NB: implicit assumption that system package upgrades apply to all users 12757 if (DEBUG_INSTALL) { 12758 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12759 } 12760 if (res.origUsers != null) { 12761 for (int userHandle : res.origUsers) { 12762 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12763 userHandle, installerPackageName); 12764 } 12765 } 12766 // Also convey the prior install/uninstall state 12767 if (allUsers != null && perUserInstalled != null) { 12768 for (int i = 0; i < allUsers.length; i++) { 12769 if (DEBUG_INSTALL) { 12770 Slog.d(TAG, " user " + allUsers[i] 12771 + " => " + perUserInstalled[i]); 12772 } 12773 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12774 } 12775 // these install state changes will be persisted in the 12776 // upcoming call to mSettings.writeLPr(). 12777 } 12778 } 12779 // It's implied that when a user requests installation, they want the app to be 12780 // installed and enabled. 12781 int userId = user.getIdentifier(); 12782 if (userId != UserHandle.USER_ALL) { 12783 ps.setInstalled(true, userId); 12784 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12785 } 12786 } 12787 res.name = pkgName; 12788 res.uid = newPackage.applicationInfo.uid; 12789 res.pkg = newPackage; 12790 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12791 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12792 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12793 //to update install status 12794 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12795 mSettings.writeLPr(); 12796 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12797 } 12798 12799 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12800 } 12801 12802 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 12803 try { 12804 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 12805 installPackageLI(args, res); 12806 } finally { 12807 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12808 } 12809 } 12810 12811 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12812 final int installFlags = args.installFlags; 12813 final String installerPackageName = args.installerPackageName; 12814 final String volumeUuid = args.volumeUuid; 12815 final File tmpPackageFile = new File(args.getCodePath()); 12816 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12817 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12818 || (args.volumeUuid != null)); 12819 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 12820 boolean replace = false; 12821 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12822 if (args.move != null) { 12823 // moving a complete application; perfom an initial scan on the new install location 12824 scanFlags |= SCAN_INITIAL; 12825 } 12826 // Result object to be returned 12827 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12828 12829 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12830 12831 // Sanity check 12832 if (ephemeral && (forwardLocked || onExternal)) { 12833 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 12834 + " external=" + onExternal); 12835 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12836 return; 12837 } 12838 12839 // Retrieve PackageSettings and parse package 12840 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12841 | PackageParser.PARSE_ENFORCE_CODE 12842 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12843 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 12844 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 12845 PackageParser pp = new PackageParser(); 12846 pp.setSeparateProcesses(mSeparateProcesses); 12847 pp.setDisplayMetrics(mMetrics); 12848 12849 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 12850 final PackageParser.Package pkg; 12851 try { 12852 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12853 } catch (PackageParserException e) { 12854 res.setError("Failed parse during installPackageLI", e); 12855 return; 12856 } finally { 12857 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12858 } 12859 12860 // Mark that we have an install time CPU ABI override. 12861 pkg.cpuAbiOverride = args.abiOverride; 12862 12863 String pkgName = res.name = pkg.packageName; 12864 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12865 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12866 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12867 return; 12868 } 12869 } 12870 12871 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 12872 try { 12873 pp.collectCertificates(pkg, parseFlags); 12874 } catch (PackageParserException e) { 12875 res.setError("Failed collect during installPackageLI", e); 12876 return; 12877 } finally { 12878 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12879 } 12880 12881 /* If the installer passed in a manifest digest, compare it now. */ 12882 if (args.manifestDigest != null) { 12883 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectManifestDigest"); 12884 try { 12885 pp.collectManifestDigest(pkg); 12886 } catch (PackageParserException e) { 12887 res.setError("Failed collect during installPackageLI", e); 12888 return; 12889 } finally { 12890 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12891 } 12892 12893 if (DEBUG_INSTALL) { 12894 final String parsedManifest = pkg.manifestDigest == null ? "null" 12895 : pkg.manifestDigest.toString(); 12896 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12897 + parsedManifest); 12898 } 12899 12900 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12901 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12902 return; 12903 } 12904 } else if (DEBUG_INSTALL) { 12905 final String parsedManifest = pkg.manifestDigest == null 12906 ? "null" : pkg.manifestDigest.toString(); 12907 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12908 } 12909 12910 // Get rid of all references to package scan path via parser. 12911 pp = null; 12912 String oldCodePath = null; 12913 boolean systemApp = false; 12914 synchronized (mPackages) { 12915 // Check if installing already existing package 12916 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12917 String oldName = mSettings.mRenamedPackages.get(pkgName); 12918 if (pkg.mOriginalPackages != null 12919 && pkg.mOriginalPackages.contains(oldName) 12920 && mPackages.containsKey(oldName)) { 12921 // This package is derived from an original package, 12922 // and this device has been updating from that original 12923 // name. We must continue using the original name, so 12924 // rename the new package here. 12925 pkg.setPackageName(oldName); 12926 pkgName = pkg.packageName; 12927 replace = true; 12928 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12929 + oldName + " pkgName=" + pkgName); 12930 } else if (mPackages.containsKey(pkgName)) { 12931 // This package, under its official name, already exists 12932 // on the device; we should replace it. 12933 replace = true; 12934 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12935 } 12936 12937 // Prevent apps opting out from runtime permissions 12938 if (replace) { 12939 PackageParser.Package oldPackage = mPackages.get(pkgName); 12940 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12941 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12942 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12943 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12944 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12945 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12946 + " doesn't support runtime permissions but the old" 12947 + " target SDK " + oldTargetSdk + " does."); 12948 return; 12949 } 12950 } 12951 } 12952 12953 PackageSetting ps = mSettings.mPackages.get(pkgName); 12954 if (ps != null) { 12955 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12956 12957 // Quick sanity check that we're signed correctly if updating; 12958 // we'll check this again later when scanning, but we want to 12959 // bail early here before tripping over redefined permissions. 12960 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12961 if (!checkUpgradeKeySetLP(ps, pkg)) { 12962 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12963 + pkg.packageName + " upgrade keys do not match the " 12964 + "previously installed version"); 12965 return; 12966 } 12967 } else { 12968 try { 12969 verifySignaturesLP(ps, pkg); 12970 } catch (PackageManagerException e) { 12971 res.setError(e.error, e.getMessage()); 12972 return; 12973 } 12974 } 12975 12976 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12977 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12978 systemApp = (ps.pkg.applicationInfo.flags & 12979 ApplicationInfo.FLAG_SYSTEM) != 0; 12980 } 12981 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12982 } 12983 12984 // Check whether the newly-scanned package wants to define an already-defined perm 12985 int N = pkg.permissions.size(); 12986 for (int i = N-1; i >= 0; i--) { 12987 PackageParser.Permission perm = pkg.permissions.get(i); 12988 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12989 if (bp != null) { 12990 // If the defining package is signed with our cert, it's okay. This 12991 // also includes the "updating the same package" case, of course. 12992 // "updating same package" could also involve key-rotation. 12993 final boolean sigsOk; 12994 if (bp.sourcePackage.equals(pkg.packageName) 12995 && (bp.packageSetting instanceof PackageSetting) 12996 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12997 scanFlags))) { 12998 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12999 } else { 13000 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 13001 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 13002 } 13003 if (!sigsOk) { 13004 // If the owning package is the system itself, we log but allow 13005 // install to proceed; we fail the install on all other permission 13006 // redefinitions. 13007 if (!bp.sourcePackage.equals("android")) { 13008 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 13009 + pkg.packageName + " attempting to redeclare permission " 13010 + perm.info.name + " already owned by " + bp.sourcePackage); 13011 res.origPermission = perm.info.name; 13012 res.origPackage = bp.sourcePackage; 13013 return; 13014 } else { 13015 Slog.w(TAG, "Package " + pkg.packageName 13016 + " attempting to redeclare system permission " 13017 + perm.info.name + "; ignoring new declaration"); 13018 pkg.permissions.remove(i); 13019 } 13020 } 13021 } 13022 } 13023 13024 } 13025 13026 if (systemApp) { 13027 if (onExternal) { 13028 // Abort update; system app can't be replaced with app on sdcard 13029 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 13030 "Cannot install updates to system apps on sdcard"); 13031 return; 13032 } else if (ephemeral) { 13033 // Abort update; system app can't be replaced with an ephemeral app 13034 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 13035 "Cannot update a system app with an ephemeral app"); 13036 return; 13037 } 13038 } 13039 13040 if (args.move != null) { 13041 // We did an in-place move, so dex is ready to roll 13042 scanFlags |= SCAN_NO_DEX; 13043 scanFlags |= SCAN_MOVE; 13044 13045 synchronized (mPackages) { 13046 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13047 if (ps == null) { 13048 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 13049 "Missing settings for moved package " + pkgName); 13050 } 13051 13052 // We moved the entire application as-is, so bring over the 13053 // previously derived ABI information. 13054 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 13055 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 13056 } 13057 13058 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 13059 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 13060 scanFlags |= SCAN_NO_DEX; 13061 13062 try { 13063 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 13064 true /* extract libs */); 13065 } catch (PackageManagerException pme) { 13066 Slog.e(TAG, "Error deriving application ABI", pme); 13067 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 13068 return; 13069 } 13070 } 13071 13072 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 13073 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 13074 return; 13075 } 13076 13077 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 13078 13079 if (replace) { 13080 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 13081 installerPackageName, volumeUuid, res); 13082 } else { 13083 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 13084 args.user, installerPackageName, volumeUuid, res); 13085 } 13086 synchronized (mPackages) { 13087 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13088 if (ps != null) { 13089 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13090 } 13091 } 13092 } 13093 13094 private void startIntentFilterVerifications(int userId, boolean replacing, 13095 PackageParser.Package pkg) { 13096 if (mIntentFilterVerifierComponent == null) { 13097 Slog.w(TAG, "No IntentFilter verification will not be done as " 13098 + "there is no IntentFilterVerifier available!"); 13099 return; 13100 } 13101 13102 final int verifierUid = getPackageUid( 13103 mIntentFilterVerifierComponent.getPackageName(), 13104 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 13105 13106 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 13107 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 13108 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 13109 mHandler.sendMessage(msg); 13110 } 13111 13112 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 13113 PackageParser.Package pkg) { 13114 int size = pkg.activities.size(); 13115 if (size == 0) { 13116 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13117 "No activity, so no need to verify any IntentFilter!"); 13118 return; 13119 } 13120 13121 final boolean hasDomainURLs = hasDomainURLs(pkg); 13122 if (!hasDomainURLs) { 13123 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13124 "No domain URLs, so no need to verify any IntentFilter!"); 13125 return; 13126 } 13127 13128 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 13129 + " if any IntentFilter from the " + size 13130 + " Activities needs verification ..."); 13131 13132 int count = 0; 13133 final String packageName = pkg.packageName; 13134 13135 synchronized (mPackages) { 13136 // If this is a new install and we see that we've already run verification for this 13137 // package, we have nothing to do: it means the state was restored from backup. 13138 if (!replacing) { 13139 IntentFilterVerificationInfo ivi = 13140 mSettings.getIntentFilterVerificationLPr(packageName); 13141 if (ivi != null) { 13142 if (DEBUG_DOMAIN_VERIFICATION) { 13143 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 13144 + ivi.getStatusString()); 13145 } 13146 return; 13147 } 13148 } 13149 13150 // If any filters need to be verified, then all need to be. 13151 boolean needToVerify = false; 13152 for (PackageParser.Activity a : pkg.activities) { 13153 for (ActivityIntentInfo filter : a.intents) { 13154 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 13155 if (DEBUG_DOMAIN_VERIFICATION) { 13156 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 13157 } 13158 needToVerify = true; 13159 break; 13160 } 13161 } 13162 } 13163 13164 if (needToVerify) { 13165 final int verificationId = mIntentFilterVerificationToken++; 13166 for (PackageParser.Activity a : pkg.activities) { 13167 for (ActivityIntentInfo filter : a.intents) { 13168 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 13169 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13170 "Verification needed for IntentFilter:" + filter.toString()); 13171 mIntentFilterVerifier.addOneIntentFilterVerification( 13172 verifierUid, userId, verificationId, filter, packageName); 13173 count++; 13174 } 13175 } 13176 } 13177 } 13178 } 13179 13180 if (count > 0) { 13181 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 13182 + " IntentFilter verification" + (count > 1 ? "s" : "") 13183 + " for userId:" + userId); 13184 mIntentFilterVerifier.startVerifications(userId); 13185 } else { 13186 if (DEBUG_DOMAIN_VERIFICATION) { 13187 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 13188 } 13189 } 13190 } 13191 13192 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 13193 final ComponentName cn = filter.activity.getComponentName(); 13194 final String packageName = cn.getPackageName(); 13195 13196 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 13197 packageName); 13198 if (ivi == null) { 13199 return true; 13200 } 13201 int status = ivi.getStatus(); 13202 switch (status) { 13203 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 13204 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 13205 return true; 13206 13207 default: 13208 // Nothing to do 13209 return false; 13210 } 13211 } 13212 13213 private static boolean isMultiArch(ApplicationInfo info) { 13214 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 13215 } 13216 13217 private static boolean isExternal(PackageParser.Package pkg) { 13218 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13219 } 13220 13221 private static boolean isExternal(PackageSetting ps) { 13222 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13223 } 13224 13225 private static boolean isEphemeral(PackageParser.Package pkg) { 13226 return pkg.applicationInfo.isEphemeralApp(); 13227 } 13228 13229 private static boolean isEphemeral(PackageSetting ps) { 13230 return ps.pkg != null && isEphemeral(ps.pkg); 13231 } 13232 13233 private static boolean isSystemApp(PackageParser.Package pkg) { 13234 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 13235 } 13236 13237 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 13238 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13239 } 13240 13241 private static boolean hasDomainURLs(PackageParser.Package pkg) { 13242 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 13243 } 13244 13245 private static boolean isSystemApp(PackageSetting ps) { 13246 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 13247 } 13248 13249 private static boolean isUpdatedSystemApp(PackageSetting ps) { 13250 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 13251 } 13252 13253 private int packageFlagsToInstallFlags(PackageSetting ps) { 13254 int installFlags = 0; 13255 if (isEphemeral(ps)) { 13256 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13257 } 13258 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 13259 // This existing package was an external ASEC install when we have 13260 // the external flag without a UUID 13261 installFlags |= PackageManager.INSTALL_EXTERNAL; 13262 } 13263 if (ps.isForwardLocked()) { 13264 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13265 } 13266 return installFlags; 13267 } 13268 13269 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 13270 if (isExternal(pkg)) { 13271 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13272 return StorageManager.UUID_PRIMARY_PHYSICAL; 13273 } else { 13274 return pkg.volumeUuid; 13275 } 13276 } else { 13277 return StorageManager.UUID_PRIVATE_INTERNAL; 13278 } 13279 } 13280 13281 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 13282 if (isExternal(pkg)) { 13283 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13284 return mSettings.getExternalVersion(); 13285 } else { 13286 return mSettings.findOrCreateVersion(pkg.volumeUuid); 13287 } 13288 } else { 13289 return mSettings.getInternalVersion(); 13290 } 13291 } 13292 13293 private void deleteTempPackageFiles() { 13294 final FilenameFilter filter = new FilenameFilter() { 13295 public boolean accept(File dir, String name) { 13296 return name.startsWith("vmdl") && name.endsWith(".tmp"); 13297 } 13298 }; 13299 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 13300 file.delete(); 13301 } 13302 } 13303 13304 @Override 13305 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 13306 int flags) { 13307 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 13308 flags); 13309 } 13310 13311 @Override 13312 public void deletePackage(final String packageName, 13313 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 13314 mContext.enforceCallingOrSelfPermission( 13315 android.Manifest.permission.DELETE_PACKAGES, null); 13316 Preconditions.checkNotNull(packageName); 13317 Preconditions.checkNotNull(observer); 13318 final int uid = Binder.getCallingUid(); 13319 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 13320 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 13321 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 13322 mContext.enforceCallingOrSelfPermission( 13323 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 13324 "deletePackage for user " + userId); 13325 } 13326 13327 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 13328 try { 13329 observer.onPackageDeleted(packageName, 13330 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 13331 } catch (RemoteException re) { 13332 } 13333 return; 13334 } 13335 13336 for (int currentUserId : users) { 13337 if (getBlockUninstallForUser(packageName, currentUserId)) { 13338 try { 13339 observer.onPackageDeleted(packageName, 13340 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 13341 } catch (RemoteException re) { 13342 } 13343 return; 13344 } 13345 } 13346 13347 if (DEBUG_REMOVE) { 13348 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 13349 } 13350 // Queue up an async operation since the package deletion may take a little while. 13351 mHandler.post(new Runnable() { 13352 public void run() { 13353 mHandler.removeCallbacks(this); 13354 final int returnCode = deletePackageX(packageName, userId, flags); 13355 try { 13356 observer.onPackageDeleted(packageName, returnCode, null); 13357 } catch (RemoteException e) { 13358 Log.i(TAG, "Observer no longer exists."); 13359 } //end catch 13360 } //end run 13361 }); 13362 } 13363 13364 private boolean isPackageDeviceAdmin(String packageName, int userId) { 13365 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13366 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13367 try { 13368 if (dpm != null) { 13369 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 13370 /* callingUserOnly =*/ false); 13371 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 13372 : deviceOwnerComponentName.getPackageName(); 13373 // Does the package contains the device owner? 13374 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 13375 // this check is probably not needed, since DO should be registered as a device 13376 // admin on some user too. (Original bug for this: b/17657954) 13377 if (packageName.equals(deviceOwnerPackageName)) { 13378 return true; 13379 } 13380 // Does it contain a device admin for any user? 13381 int[] users; 13382 if (userId == UserHandle.USER_ALL) { 13383 users = sUserManager.getUserIds(); 13384 } else { 13385 users = new int[]{userId}; 13386 } 13387 for (int i = 0; i < users.length; ++i) { 13388 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 13389 return true; 13390 } 13391 } 13392 } 13393 } catch (RemoteException e) { 13394 } 13395 return false; 13396 } 13397 13398 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 13399 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 13400 } 13401 13402 /** 13403 * This method is an internal method that could be get invoked either 13404 * to delete an installed package or to clean up a failed installation. 13405 * After deleting an installed package, a broadcast is sent to notify any 13406 * listeners that the package has been installed. For cleaning up a failed 13407 * installation, the broadcast is not necessary since the package's 13408 * installation wouldn't have sent the initial broadcast either 13409 * The key steps in deleting a package are 13410 * deleting the package information in internal structures like mPackages, 13411 * deleting the packages base directories through installd 13412 * updating mSettings to reflect current status 13413 * persisting settings for later use 13414 * sending a broadcast if necessary 13415 */ 13416 private int deletePackageX(String packageName, int userId, int flags) { 13417 final PackageRemovedInfo info = new PackageRemovedInfo(); 13418 final boolean res; 13419 13420 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 13421 ? UserHandle.ALL : new UserHandle(userId); 13422 13423 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 13424 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 13425 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 13426 } 13427 13428 boolean removedForAllUsers = false; 13429 boolean systemUpdate = false; 13430 13431 PackageParser.Package uninstalledPkg; 13432 13433 // for the uninstall-updates case and restricted profiles, remember the per- 13434 // userhandle installed state 13435 int[] allUsers; 13436 boolean[] perUserInstalled; 13437 synchronized (mPackages) { 13438 uninstalledPkg = mPackages.get(packageName); 13439 PackageSetting ps = mSettings.mPackages.get(packageName); 13440 allUsers = sUserManager.getUserIds(); 13441 perUserInstalled = new boolean[allUsers.length]; 13442 for (int i = 0; i < allUsers.length; i++) { 13443 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 13444 } 13445 } 13446 13447 synchronized (mInstallLock) { 13448 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 13449 res = deletePackageLI(packageName, removeForUser, 13450 true, allUsers, perUserInstalled, 13451 flags | REMOVE_CHATTY, info, true); 13452 systemUpdate = info.isRemovedPackageSystemUpdate; 13453 synchronized (mPackages) { 13454 if (res) { 13455 if (!systemUpdate && mPackages.get(packageName) == null) { 13456 removedForAllUsers = true; 13457 } 13458 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPkg); 13459 } 13460 } 13461 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 13462 + " removedForAllUsers=" + removedForAllUsers); 13463 } 13464 13465 if (res) { 13466 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 13467 13468 // If the removed package was a system update, the old system package 13469 // was re-enabled; we need to broadcast this information 13470 if (systemUpdate) { 13471 Bundle extras = new Bundle(1); 13472 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 13473 ? info.removedAppId : info.uid); 13474 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13475 13476 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 13477 extras, 0, null, null, null); 13478 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 13479 extras, 0, null, null, null); 13480 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 13481 null, 0, packageName, null, null); 13482 } 13483 } 13484 // Force a gc here. 13485 Runtime.getRuntime().gc(); 13486 // Delete the resources here after sending the broadcast to let 13487 // other processes clean up before deleting resources. 13488 if (info.args != null) { 13489 synchronized (mInstallLock) { 13490 info.args.doPostDeleteLI(true); 13491 } 13492 } 13493 13494 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 13495 } 13496 13497 class PackageRemovedInfo { 13498 String removedPackage; 13499 int uid = -1; 13500 int removedAppId = -1; 13501 int[] removedUsers = null; 13502 boolean isRemovedPackageSystemUpdate = false; 13503 // Clean up resources deleted packages. 13504 InstallArgs args = null; 13505 13506 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 13507 Bundle extras = new Bundle(1); 13508 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 13509 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 13510 if (replacing) { 13511 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13512 } 13513 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 13514 if (removedPackage != null) { 13515 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 13516 extras, 0, null, null, removedUsers); 13517 if (fullRemove && !replacing) { 13518 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 13519 extras, 0, null, null, removedUsers); 13520 } 13521 } 13522 if (removedAppId >= 0) { 13523 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 13524 removedUsers); 13525 } 13526 } 13527 } 13528 13529 /* 13530 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 13531 * flag is not set, the data directory is removed as well. 13532 * make sure this flag is set for partially installed apps. If not its meaningless to 13533 * delete a partially installed application. 13534 */ 13535 private void removePackageDataLI(PackageSetting ps, 13536 int[] allUserHandles, boolean[] perUserInstalled, 13537 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 13538 String packageName = ps.name; 13539 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 13540 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 13541 // Retrieve object to delete permissions for shared user later on 13542 final PackageSetting deletedPs; 13543 // reader 13544 synchronized (mPackages) { 13545 deletedPs = mSettings.mPackages.get(packageName); 13546 if (outInfo != null) { 13547 outInfo.removedPackage = packageName; 13548 outInfo.removedUsers = deletedPs != null 13549 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 13550 : null; 13551 } 13552 } 13553 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13554 removeDataDirsLI(ps.volumeUuid, packageName); 13555 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 13556 } 13557 // writer 13558 synchronized (mPackages) { 13559 if (deletedPs != null) { 13560 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13561 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 13562 clearDefaultBrowserIfNeeded(packageName); 13563 if (outInfo != null) { 13564 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 13565 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 13566 } 13567 updatePermissionsLPw(deletedPs.name, null, 0); 13568 if (deletedPs.sharedUser != null) { 13569 // Remove permissions associated with package. Since runtime 13570 // permissions are per user we have to kill the removed package 13571 // or packages running under the shared user of the removed 13572 // package if revoking the permissions requested only by the removed 13573 // package is successful and this causes a change in gids. 13574 for (int userId : UserManagerService.getInstance().getUserIds()) { 13575 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 13576 userId); 13577 if (userIdToKill == UserHandle.USER_ALL 13578 || userIdToKill >= UserHandle.USER_SYSTEM) { 13579 // If gids changed for this user, kill all affected packages. 13580 mHandler.post(new Runnable() { 13581 @Override 13582 public void run() { 13583 // This has to happen with no lock held. 13584 killApplication(deletedPs.name, deletedPs.appId, 13585 KILL_APP_REASON_GIDS_CHANGED); 13586 } 13587 }); 13588 break; 13589 } 13590 } 13591 } 13592 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 13593 } 13594 // make sure to preserve per-user disabled state if this removal was just 13595 // a downgrade of a system app to the factory package 13596 if (allUserHandles != null && perUserInstalled != null) { 13597 if (DEBUG_REMOVE) { 13598 Slog.d(TAG, "Propagating install state across downgrade"); 13599 } 13600 for (int i = 0; i < allUserHandles.length; i++) { 13601 if (DEBUG_REMOVE) { 13602 Slog.d(TAG, " user " + allUserHandles[i] 13603 + " => " + perUserInstalled[i]); 13604 } 13605 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13606 } 13607 } 13608 } 13609 // can downgrade to reader 13610 if (writeSettings) { 13611 // Save settings now 13612 mSettings.writeLPr(); 13613 } 13614 } 13615 if (outInfo != null) { 13616 // A user ID was deleted here. Go through all users and remove it 13617 // from KeyStore. 13618 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 13619 } 13620 } 13621 13622 static boolean locationIsPrivileged(File path) { 13623 try { 13624 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 13625 .getCanonicalPath(); 13626 return path.getCanonicalPath().startsWith(privilegedAppDir); 13627 } catch (IOException e) { 13628 Slog.e(TAG, "Unable to access code path " + path); 13629 } 13630 return false; 13631 } 13632 13633 /* 13634 * Tries to delete system package. 13635 */ 13636 private boolean deleteSystemPackageLI(PackageSetting newPs, 13637 int[] allUserHandles, boolean[] perUserInstalled, 13638 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 13639 final boolean applyUserRestrictions 13640 = (allUserHandles != null) && (perUserInstalled != null); 13641 PackageSetting disabledPs = null; 13642 // Confirm if the system package has been updated 13643 // An updated system app can be deleted. This will also have to restore 13644 // the system pkg from system partition 13645 // reader 13646 synchronized (mPackages) { 13647 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 13648 } 13649 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 13650 + " disabledPs=" + disabledPs); 13651 if (disabledPs == null) { 13652 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 13653 return false; 13654 } else if (DEBUG_REMOVE) { 13655 Slog.d(TAG, "Deleting system pkg from data partition"); 13656 } 13657 if (DEBUG_REMOVE) { 13658 if (applyUserRestrictions) { 13659 Slog.d(TAG, "Remembering install states:"); 13660 for (int i = 0; i < allUserHandles.length; i++) { 13661 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 13662 } 13663 } 13664 } 13665 // Delete the updated package 13666 outInfo.isRemovedPackageSystemUpdate = true; 13667 if (disabledPs.versionCode < newPs.versionCode) { 13668 // Delete data for downgrades 13669 flags &= ~PackageManager.DELETE_KEEP_DATA; 13670 } else { 13671 // Preserve data by setting flag 13672 flags |= PackageManager.DELETE_KEEP_DATA; 13673 } 13674 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13675 allUserHandles, perUserInstalled, outInfo, writeSettings); 13676 if (!ret) { 13677 return false; 13678 } 13679 // writer 13680 synchronized (mPackages) { 13681 // Reinstate the old system package 13682 mSettings.enableSystemPackageLPw(newPs.name); 13683 // Remove any native libraries from the upgraded package. 13684 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13685 } 13686 // Install the system package 13687 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13688 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13689 if (locationIsPrivileged(disabledPs.codePath)) { 13690 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13691 } 13692 13693 final PackageParser.Package newPkg; 13694 try { 13695 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13696 } catch (PackageManagerException e) { 13697 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 13698 return false; 13699 } 13700 13701 // writer 13702 synchronized (mPackages) { 13703 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13704 13705 // Propagate the permissions state as we do not want to drop on the floor 13706 // runtime permissions. The update permissions method below will take 13707 // care of removing obsolete permissions and grant install permissions. 13708 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13709 updatePermissionsLPw(newPkg.packageName, newPkg, 13710 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13711 13712 if (applyUserRestrictions) { 13713 if (DEBUG_REMOVE) { 13714 Slog.d(TAG, "Propagating install state across reinstall"); 13715 } 13716 for (int i = 0; i < allUserHandles.length; i++) { 13717 if (DEBUG_REMOVE) { 13718 Slog.d(TAG, " user " + allUserHandles[i] 13719 + " => " + perUserInstalled[i]); 13720 } 13721 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13722 13723 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13724 } 13725 // Regardless of writeSettings we need to ensure that this restriction 13726 // state propagation is persisted 13727 mSettings.writeAllUsersPackageRestrictionsLPr(); 13728 } 13729 // can downgrade to reader here 13730 if (writeSettings) { 13731 mSettings.writeLPr(); 13732 } 13733 } 13734 return true; 13735 } 13736 13737 private boolean deleteInstalledPackageLI(PackageSetting ps, 13738 boolean deleteCodeAndResources, int flags, 13739 int[] allUserHandles, boolean[] perUserInstalled, 13740 PackageRemovedInfo outInfo, boolean writeSettings) { 13741 if (outInfo != null) { 13742 outInfo.uid = ps.appId; 13743 } 13744 13745 // Delete package data from internal structures and also remove data if flag is set 13746 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13747 13748 // Delete application code and resources 13749 if (deleteCodeAndResources && (outInfo != null)) { 13750 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13751 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13752 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13753 } 13754 return true; 13755 } 13756 13757 @Override 13758 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13759 int userId) { 13760 mContext.enforceCallingOrSelfPermission( 13761 android.Manifest.permission.DELETE_PACKAGES, null); 13762 synchronized (mPackages) { 13763 PackageSetting ps = mSettings.mPackages.get(packageName); 13764 if (ps == null) { 13765 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13766 return false; 13767 } 13768 if (!ps.getInstalled(userId)) { 13769 // Can't block uninstall for an app that is not installed or enabled. 13770 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13771 return false; 13772 } 13773 ps.setBlockUninstall(blockUninstall, userId); 13774 mSettings.writePackageRestrictionsLPr(userId); 13775 } 13776 return true; 13777 } 13778 13779 @Override 13780 public boolean getBlockUninstallForUser(String packageName, int userId) { 13781 synchronized (mPackages) { 13782 PackageSetting ps = mSettings.mPackages.get(packageName); 13783 if (ps == null) { 13784 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13785 return false; 13786 } 13787 return ps.getBlockUninstall(userId); 13788 } 13789 } 13790 13791 @Override 13792 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 13793 int callingUid = Binder.getCallingUid(); 13794 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 13795 throw new SecurityException( 13796 "setRequiredForSystemUser can only be run by the system or root"); 13797 } 13798 synchronized (mPackages) { 13799 PackageSetting ps = mSettings.mPackages.get(packageName); 13800 if (ps == null) { 13801 Log.w(TAG, "Package doesn't exist: " + packageName); 13802 return false; 13803 } 13804 if (systemUserApp) { 13805 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13806 } else { 13807 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13808 } 13809 mSettings.writeLPr(); 13810 } 13811 return true; 13812 } 13813 13814 /* 13815 * This method handles package deletion in general 13816 */ 13817 private boolean deletePackageLI(String packageName, UserHandle user, 13818 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13819 int flags, PackageRemovedInfo outInfo, 13820 boolean writeSettings) { 13821 if (packageName == null) { 13822 Slog.w(TAG, "Attempt to delete null packageName."); 13823 return false; 13824 } 13825 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13826 PackageSetting ps; 13827 boolean dataOnly = false; 13828 int removeUser = -1; 13829 int appId = -1; 13830 synchronized (mPackages) { 13831 ps = mSettings.mPackages.get(packageName); 13832 if (ps == null) { 13833 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13834 return false; 13835 } 13836 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13837 && user.getIdentifier() != UserHandle.USER_ALL) { 13838 // The caller is asking that the package only be deleted for a single 13839 // user. To do this, we just mark its uninstalled state and delete 13840 // its data. If this is a system app, we only allow this to happen if 13841 // they have set the special DELETE_SYSTEM_APP which requests different 13842 // semantics than normal for uninstalling system apps. 13843 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13844 final int userId = user.getIdentifier(); 13845 ps.setUserState(userId, 13846 COMPONENT_ENABLED_STATE_DEFAULT, 13847 false, //installed 13848 true, //stopped 13849 true, //notLaunched 13850 false, //hidden 13851 false, //suspended 13852 null, null, null, 13853 false, // blockUninstall 13854 ps.readUserState(userId).domainVerificationStatus, 0); 13855 if (!isSystemApp(ps)) { 13856 // Do not uninstall the APK if an app should be cached 13857 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 13858 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 13859 // Other user still have this package installed, so all 13860 // we need to do is clear this user's data and save that 13861 // it is uninstalled. 13862 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13863 removeUser = user.getIdentifier(); 13864 appId = ps.appId; 13865 scheduleWritePackageRestrictionsLocked(removeUser); 13866 } else { 13867 // We need to set it back to 'installed' so the uninstall 13868 // broadcasts will be sent correctly. 13869 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13870 ps.setInstalled(true, user.getIdentifier()); 13871 } 13872 } else { 13873 // This is a system app, so we assume that the 13874 // other users still have this package installed, so all 13875 // we need to do is clear this user's data and save that 13876 // it is uninstalled. 13877 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13878 removeUser = user.getIdentifier(); 13879 appId = ps.appId; 13880 scheduleWritePackageRestrictionsLocked(removeUser); 13881 } 13882 } 13883 } 13884 13885 if (removeUser >= 0) { 13886 // From above, we determined that we are deleting this only 13887 // for a single user. Continue the work here. 13888 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13889 if (outInfo != null) { 13890 outInfo.removedPackage = packageName; 13891 outInfo.removedAppId = appId; 13892 outInfo.removedUsers = new int[] {removeUser}; 13893 } 13894 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13895 removeKeystoreDataIfNeeded(removeUser, appId); 13896 schedulePackageCleaning(packageName, removeUser, false); 13897 synchronized (mPackages) { 13898 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13899 scheduleWritePackageRestrictionsLocked(removeUser); 13900 } 13901 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13902 } 13903 return true; 13904 } 13905 13906 if (dataOnly) { 13907 // Delete application data first 13908 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13909 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13910 return true; 13911 } 13912 13913 boolean ret = false; 13914 if (isSystemApp(ps)) { 13915 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13916 // When an updated system application is deleted we delete the existing resources as well and 13917 // fall back to existing code in system partition 13918 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13919 flags, outInfo, writeSettings); 13920 } else { 13921 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13922 // Kill application pre-emptively especially for apps on sd. 13923 killApplication(packageName, ps.appId, "uninstall pkg"); 13924 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13925 allUserHandles, perUserInstalled, 13926 outInfo, writeSettings); 13927 } 13928 13929 return ret; 13930 } 13931 13932 private final static class ClearStorageConnection implements ServiceConnection { 13933 IMediaContainerService mContainerService; 13934 13935 @Override 13936 public void onServiceConnected(ComponentName name, IBinder service) { 13937 synchronized (this) { 13938 mContainerService = IMediaContainerService.Stub.asInterface(service); 13939 notifyAll(); 13940 } 13941 } 13942 13943 @Override 13944 public void onServiceDisconnected(ComponentName name) { 13945 } 13946 } 13947 13948 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13949 final boolean mounted; 13950 if (Environment.isExternalStorageEmulated()) { 13951 mounted = true; 13952 } else { 13953 final String status = Environment.getExternalStorageState(); 13954 13955 mounted = status.equals(Environment.MEDIA_MOUNTED) 13956 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13957 } 13958 13959 if (!mounted) { 13960 return; 13961 } 13962 13963 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13964 int[] users; 13965 if (userId == UserHandle.USER_ALL) { 13966 users = sUserManager.getUserIds(); 13967 } else { 13968 users = new int[] { userId }; 13969 } 13970 final ClearStorageConnection conn = new ClearStorageConnection(); 13971 if (mContext.bindServiceAsUser( 13972 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 13973 try { 13974 for (int curUser : users) { 13975 long timeout = SystemClock.uptimeMillis() + 5000; 13976 synchronized (conn) { 13977 long now = SystemClock.uptimeMillis(); 13978 while (conn.mContainerService == null && now < timeout) { 13979 try { 13980 conn.wait(timeout - now); 13981 } catch (InterruptedException e) { 13982 } 13983 } 13984 } 13985 if (conn.mContainerService == null) { 13986 return; 13987 } 13988 13989 final UserEnvironment userEnv = new UserEnvironment(curUser); 13990 clearDirectory(conn.mContainerService, 13991 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13992 if (allData) { 13993 clearDirectory(conn.mContainerService, 13994 userEnv.buildExternalStorageAppDataDirs(packageName)); 13995 clearDirectory(conn.mContainerService, 13996 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13997 } 13998 } 13999 } finally { 14000 mContext.unbindService(conn); 14001 } 14002 } 14003 } 14004 14005 @Override 14006 public void clearApplicationUserData(final String packageName, 14007 final IPackageDataObserver observer, final int userId) { 14008 mContext.enforceCallingOrSelfPermission( 14009 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 14010 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 14011 // Queue up an async operation since the package deletion may take a little while. 14012 mHandler.post(new Runnable() { 14013 public void run() { 14014 mHandler.removeCallbacks(this); 14015 final boolean succeeded; 14016 synchronized (mInstallLock) { 14017 succeeded = clearApplicationUserDataLI(packageName, userId); 14018 } 14019 clearExternalStorageDataSync(packageName, userId, true); 14020 if (succeeded) { 14021 // invoke DeviceStorageMonitor's update method to clear any notifications 14022 DeviceStorageMonitorInternal 14023 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 14024 if (dsm != null) { 14025 dsm.checkMemory(); 14026 } 14027 } 14028 if(observer != null) { 14029 try { 14030 observer.onRemoveCompleted(packageName, succeeded); 14031 } catch (RemoteException e) { 14032 Log.i(TAG, "Observer no longer exists."); 14033 } 14034 } //end if observer 14035 } //end run 14036 }); 14037 } 14038 14039 private boolean clearApplicationUserDataLI(String packageName, int userId) { 14040 if (packageName == null) { 14041 Slog.w(TAG, "Attempt to delete null packageName."); 14042 return false; 14043 } 14044 14045 // Try finding details about the requested package 14046 PackageParser.Package pkg; 14047 synchronized (mPackages) { 14048 pkg = mPackages.get(packageName); 14049 if (pkg == null) { 14050 final PackageSetting ps = mSettings.mPackages.get(packageName); 14051 if (ps != null) { 14052 pkg = ps.pkg; 14053 } 14054 } 14055 14056 if (pkg == null) { 14057 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 14058 return false; 14059 } 14060 14061 PackageSetting ps = (PackageSetting) pkg.mExtras; 14062 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 14063 } 14064 14065 // Always delete data directories for package, even if we found no other 14066 // record of app. This helps users recover from UID mismatches without 14067 // resorting to a full data wipe. 14068 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 14069 if (retCode < 0) { 14070 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 14071 return false; 14072 } 14073 14074 final int appId = pkg.applicationInfo.uid; 14075 removeKeystoreDataIfNeeded(userId, appId); 14076 14077 // Create a native library symlink only if we have native libraries 14078 // and if the native libraries are 32 bit libraries. We do not provide 14079 // this symlink for 64 bit libraries. 14080 if (pkg.applicationInfo.primaryCpuAbi != null && 14081 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 14082 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 14083 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 14084 nativeLibPath, userId) < 0) { 14085 Slog.w(TAG, "Failed linking native library dir"); 14086 return false; 14087 } 14088 } 14089 14090 return true; 14091 } 14092 14093 /** 14094 * Reverts user permission state changes (permissions and flags) in 14095 * all packages for a given user. 14096 * 14097 * @param userId The device user for which to do a reset. 14098 */ 14099 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 14100 final int packageCount = mPackages.size(); 14101 for (int i = 0; i < packageCount; i++) { 14102 PackageParser.Package pkg = mPackages.valueAt(i); 14103 PackageSetting ps = (PackageSetting) pkg.mExtras; 14104 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 14105 } 14106 } 14107 14108 /** 14109 * Reverts user permission state changes (permissions and flags). 14110 * 14111 * @param ps The package for which to reset. 14112 * @param userId The device user for which to do a reset. 14113 */ 14114 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 14115 final PackageSetting ps, final int userId) { 14116 if (ps.pkg == null) { 14117 return; 14118 } 14119 14120 // These are flags that can change base on user actions. 14121 final int userSettableMask = FLAG_PERMISSION_USER_SET 14122 | FLAG_PERMISSION_USER_FIXED 14123 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 14124 | FLAG_PERMISSION_REVIEW_REQUIRED; 14125 14126 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 14127 | FLAG_PERMISSION_POLICY_FIXED; 14128 14129 boolean writeInstallPermissions = false; 14130 boolean writeRuntimePermissions = false; 14131 14132 final int permissionCount = ps.pkg.requestedPermissions.size(); 14133 for (int i = 0; i < permissionCount; i++) { 14134 String permission = ps.pkg.requestedPermissions.get(i); 14135 14136 BasePermission bp = mSettings.mPermissions.get(permission); 14137 if (bp == null) { 14138 continue; 14139 } 14140 14141 // If shared user we just reset the state to which only this app contributed. 14142 if (ps.sharedUser != null) { 14143 boolean used = false; 14144 final int packageCount = ps.sharedUser.packages.size(); 14145 for (int j = 0; j < packageCount; j++) { 14146 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 14147 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 14148 && pkg.pkg.requestedPermissions.contains(permission)) { 14149 used = true; 14150 break; 14151 } 14152 } 14153 if (used) { 14154 continue; 14155 } 14156 } 14157 14158 PermissionsState permissionsState = ps.getPermissionsState(); 14159 14160 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 14161 14162 // Always clear the user settable flags. 14163 final boolean hasInstallState = permissionsState.getInstallPermissionState( 14164 bp.name) != null; 14165 // If permission review is enabled and this is a legacy app, mark the 14166 // permission as requiring a review as this is the initial state. 14167 int flags = 0; 14168 if (Build.PERMISSIONS_REVIEW_REQUIRED 14169 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 14170 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 14171 } 14172 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 14173 if (hasInstallState) { 14174 writeInstallPermissions = true; 14175 } else { 14176 writeRuntimePermissions = true; 14177 } 14178 } 14179 14180 // Below is only runtime permission handling. 14181 if (!bp.isRuntime()) { 14182 continue; 14183 } 14184 14185 // Never clobber system or policy. 14186 if ((oldFlags & policyOrSystemFlags) != 0) { 14187 continue; 14188 } 14189 14190 // If this permission was granted by default, make sure it is. 14191 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 14192 if (permissionsState.grantRuntimePermission(bp, userId) 14193 != PERMISSION_OPERATION_FAILURE) { 14194 writeRuntimePermissions = true; 14195 } 14196 // If permission review is enabled the permissions for a legacy apps 14197 // are represented as constantly granted runtime ones, so don't revoke. 14198 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 14199 // Otherwise, reset the permission. 14200 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 14201 switch (revokeResult) { 14202 case PERMISSION_OPERATION_SUCCESS: { 14203 writeRuntimePermissions = true; 14204 } break; 14205 14206 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 14207 writeRuntimePermissions = true; 14208 final int appId = ps.appId; 14209 mHandler.post(new Runnable() { 14210 @Override 14211 public void run() { 14212 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 14213 } 14214 }); 14215 } break; 14216 } 14217 } 14218 } 14219 14220 // Synchronously write as we are taking permissions away. 14221 if (writeRuntimePermissions) { 14222 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 14223 } 14224 14225 // Synchronously write as we are taking permissions away. 14226 if (writeInstallPermissions) { 14227 mSettings.writeLPr(); 14228 } 14229 } 14230 14231 /** 14232 * Remove entries from the keystore daemon. Will only remove it if the 14233 * {@code appId} is valid. 14234 */ 14235 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 14236 if (appId < 0) { 14237 return; 14238 } 14239 14240 final KeyStore keyStore = KeyStore.getInstance(); 14241 if (keyStore != null) { 14242 if (userId == UserHandle.USER_ALL) { 14243 for (final int individual : sUserManager.getUserIds()) { 14244 keyStore.clearUid(UserHandle.getUid(individual, appId)); 14245 } 14246 } else { 14247 keyStore.clearUid(UserHandle.getUid(userId, appId)); 14248 } 14249 } else { 14250 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 14251 } 14252 } 14253 14254 @Override 14255 public void deleteApplicationCacheFiles(final String packageName, 14256 final IPackageDataObserver observer) { 14257 mContext.enforceCallingOrSelfPermission( 14258 android.Manifest.permission.DELETE_CACHE_FILES, null); 14259 // Queue up an async operation since the package deletion may take a little while. 14260 final int userId = UserHandle.getCallingUserId(); 14261 mHandler.post(new Runnable() { 14262 public void run() { 14263 mHandler.removeCallbacks(this); 14264 final boolean succeded; 14265 synchronized (mInstallLock) { 14266 succeded = deleteApplicationCacheFilesLI(packageName, userId); 14267 } 14268 clearExternalStorageDataSync(packageName, userId, false); 14269 if (observer != null) { 14270 try { 14271 observer.onRemoveCompleted(packageName, succeded); 14272 } catch (RemoteException e) { 14273 Log.i(TAG, "Observer no longer exists."); 14274 } 14275 } //end if observer 14276 } //end run 14277 }); 14278 } 14279 14280 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 14281 if (packageName == null) { 14282 Slog.w(TAG, "Attempt to delete null packageName."); 14283 return false; 14284 } 14285 PackageParser.Package p; 14286 synchronized (mPackages) { 14287 p = mPackages.get(packageName); 14288 } 14289 if (p == null) { 14290 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14291 return false; 14292 } 14293 final ApplicationInfo applicationInfo = p.applicationInfo; 14294 if (applicationInfo == null) { 14295 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14296 return false; 14297 } 14298 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 14299 if (retCode < 0) { 14300 Slog.w(TAG, "Couldn't remove cache files for package: " 14301 + packageName + " u" + userId); 14302 return false; 14303 } 14304 return true; 14305 } 14306 14307 @Override 14308 public void getPackageSizeInfo(final String packageName, int userHandle, 14309 final IPackageStatsObserver observer) { 14310 mContext.enforceCallingOrSelfPermission( 14311 android.Manifest.permission.GET_PACKAGE_SIZE, null); 14312 if (packageName == null) { 14313 throw new IllegalArgumentException("Attempt to get size of null packageName"); 14314 } 14315 14316 PackageStats stats = new PackageStats(packageName, userHandle); 14317 14318 /* 14319 * Queue up an async operation since the package measurement may take a 14320 * little while. 14321 */ 14322 Message msg = mHandler.obtainMessage(INIT_COPY); 14323 msg.obj = new MeasureParams(stats, observer); 14324 mHandler.sendMessage(msg); 14325 } 14326 14327 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 14328 PackageStats pStats) { 14329 if (packageName == null) { 14330 Slog.w(TAG, "Attempt to get size of null packageName."); 14331 return false; 14332 } 14333 PackageParser.Package p; 14334 boolean dataOnly = false; 14335 String libDirRoot = null; 14336 String asecPath = null; 14337 PackageSetting ps = null; 14338 synchronized (mPackages) { 14339 p = mPackages.get(packageName); 14340 ps = mSettings.mPackages.get(packageName); 14341 if(p == null) { 14342 dataOnly = true; 14343 if((ps == null) || (ps.pkg == null)) { 14344 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14345 return false; 14346 } 14347 p = ps.pkg; 14348 } 14349 if (ps != null) { 14350 libDirRoot = ps.legacyNativeLibraryPathString; 14351 } 14352 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 14353 final long token = Binder.clearCallingIdentity(); 14354 try { 14355 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 14356 if (secureContainerId != null) { 14357 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 14358 } 14359 } finally { 14360 Binder.restoreCallingIdentity(token); 14361 } 14362 } 14363 } 14364 String publicSrcDir = null; 14365 if(!dataOnly) { 14366 final ApplicationInfo applicationInfo = p.applicationInfo; 14367 if (applicationInfo == null) { 14368 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14369 return false; 14370 } 14371 if (p.isForwardLocked()) { 14372 publicSrcDir = applicationInfo.getBaseResourcePath(); 14373 } 14374 } 14375 // TODO: extend to measure size of split APKs 14376 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 14377 // not just the first level. 14378 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 14379 // just the primary. 14380 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 14381 14382 String apkPath; 14383 File packageDir = new File(p.codePath); 14384 14385 if (packageDir.isDirectory() && p.canHaveOatDir()) { 14386 apkPath = packageDir.getAbsolutePath(); 14387 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 14388 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 14389 libDirRoot = null; 14390 } 14391 } else { 14392 apkPath = p.baseCodePath; 14393 } 14394 14395 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, apkPath, 14396 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 14397 if (res < 0) { 14398 return false; 14399 } 14400 14401 // Fix-up for forward-locked applications in ASEC containers. 14402 if (!isExternal(p)) { 14403 pStats.codeSize += pStats.externalCodeSize; 14404 pStats.externalCodeSize = 0L; 14405 } 14406 14407 return true; 14408 } 14409 14410 14411 @Override 14412 public void addPackageToPreferred(String packageName) { 14413 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 14414 } 14415 14416 @Override 14417 public void removePackageFromPreferred(String packageName) { 14418 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 14419 } 14420 14421 @Override 14422 public List<PackageInfo> getPreferredPackages(int flags) { 14423 return new ArrayList<PackageInfo>(); 14424 } 14425 14426 private int getUidTargetSdkVersionLockedLPr(int uid) { 14427 Object obj = mSettings.getUserIdLPr(uid); 14428 if (obj instanceof SharedUserSetting) { 14429 final SharedUserSetting sus = (SharedUserSetting) obj; 14430 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 14431 final Iterator<PackageSetting> it = sus.packages.iterator(); 14432 while (it.hasNext()) { 14433 final PackageSetting ps = it.next(); 14434 if (ps.pkg != null) { 14435 int v = ps.pkg.applicationInfo.targetSdkVersion; 14436 if (v < vers) vers = v; 14437 } 14438 } 14439 return vers; 14440 } else if (obj instanceof PackageSetting) { 14441 final PackageSetting ps = (PackageSetting) obj; 14442 if (ps.pkg != null) { 14443 return ps.pkg.applicationInfo.targetSdkVersion; 14444 } 14445 } 14446 return Build.VERSION_CODES.CUR_DEVELOPMENT; 14447 } 14448 14449 @Override 14450 public void addPreferredActivity(IntentFilter filter, int match, 14451 ComponentName[] set, ComponentName activity, int userId) { 14452 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14453 "Adding preferred"); 14454 } 14455 14456 private void addPreferredActivityInternal(IntentFilter filter, int match, 14457 ComponentName[] set, ComponentName activity, boolean always, int userId, 14458 String opname) { 14459 // writer 14460 int callingUid = Binder.getCallingUid(); 14461 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 14462 if (filter.countActions() == 0) { 14463 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14464 return; 14465 } 14466 synchronized (mPackages) { 14467 if (mContext.checkCallingOrSelfPermission( 14468 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14469 != PackageManager.PERMISSION_GRANTED) { 14470 if (getUidTargetSdkVersionLockedLPr(callingUid) 14471 < Build.VERSION_CODES.FROYO) { 14472 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 14473 + callingUid); 14474 return; 14475 } 14476 mContext.enforceCallingOrSelfPermission( 14477 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14478 } 14479 14480 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 14481 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 14482 + userId + ":"); 14483 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14484 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 14485 scheduleWritePackageRestrictionsLocked(userId); 14486 } 14487 } 14488 14489 @Override 14490 public void replacePreferredActivity(IntentFilter filter, int match, 14491 ComponentName[] set, ComponentName activity, int userId) { 14492 if (filter.countActions() != 1) { 14493 throw new IllegalArgumentException( 14494 "replacePreferredActivity expects filter to have only 1 action."); 14495 } 14496 if (filter.countDataAuthorities() != 0 14497 || filter.countDataPaths() != 0 14498 || filter.countDataSchemes() > 1 14499 || filter.countDataTypes() != 0) { 14500 throw new IllegalArgumentException( 14501 "replacePreferredActivity expects filter to have no data authorities, " + 14502 "paths, or types; and at most one scheme."); 14503 } 14504 14505 final int callingUid = Binder.getCallingUid(); 14506 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 14507 synchronized (mPackages) { 14508 if (mContext.checkCallingOrSelfPermission( 14509 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14510 != PackageManager.PERMISSION_GRANTED) { 14511 if (getUidTargetSdkVersionLockedLPr(callingUid) 14512 < Build.VERSION_CODES.FROYO) { 14513 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 14514 + Binder.getCallingUid()); 14515 return; 14516 } 14517 mContext.enforceCallingOrSelfPermission( 14518 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14519 } 14520 14521 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14522 if (pir != null) { 14523 // Get all of the existing entries that exactly match this filter. 14524 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 14525 if (existing != null && existing.size() == 1) { 14526 PreferredActivity cur = existing.get(0); 14527 if (DEBUG_PREFERRED) { 14528 Slog.i(TAG, "Checking replace of preferred:"); 14529 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14530 if (!cur.mPref.mAlways) { 14531 Slog.i(TAG, " -- CUR; not mAlways!"); 14532 } else { 14533 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 14534 Slog.i(TAG, " -- CUR: mSet=" 14535 + Arrays.toString(cur.mPref.mSetComponents)); 14536 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 14537 Slog.i(TAG, " -- NEW: mMatch=" 14538 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 14539 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 14540 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 14541 } 14542 } 14543 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 14544 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 14545 && cur.mPref.sameSet(set)) { 14546 // Setting the preferred activity to what it happens to be already 14547 if (DEBUG_PREFERRED) { 14548 Slog.i(TAG, "Replacing with same preferred activity " 14549 + cur.mPref.mShortComponent + " for user " 14550 + userId + ":"); 14551 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14552 } 14553 return; 14554 } 14555 } 14556 14557 if (existing != null) { 14558 if (DEBUG_PREFERRED) { 14559 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 14560 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14561 } 14562 for (int i = 0; i < existing.size(); i++) { 14563 PreferredActivity pa = existing.get(i); 14564 if (DEBUG_PREFERRED) { 14565 Slog.i(TAG, "Removing existing preferred activity " 14566 + pa.mPref.mComponent + ":"); 14567 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 14568 } 14569 pir.removeFilter(pa); 14570 } 14571 } 14572 } 14573 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14574 "Replacing preferred"); 14575 } 14576 } 14577 14578 @Override 14579 public void clearPackagePreferredActivities(String packageName) { 14580 final int uid = Binder.getCallingUid(); 14581 // writer 14582 synchronized (mPackages) { 14583 PackageParser.Package pkg = mPackages.get(packageName); 14584 if (pkg == null || pkg.applicationInfo.uid != uid) { 14585 if (mContext.checkCallingOrSelfPermission( 14586 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14587 != PackageManager.PERMISSION_GRANTED) { 14588 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 14589 < Build.VERSION_CODES.FROYO) { 14590 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 14591 + Binder.getCallingUid()); 14592 return; 14593 } 14594 mContext.enforceCallingOrSelfPermission( 14595 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14596 } 14597 } 14598 14599 int user = UserHandle.getCallingUserId(); 14600 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 14601 scheduleWritePackageRestrictionsLocked(user); 14602 } 14603 } 14604 } 14605 14606 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14607 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 14608 ArrayList<PreferredActivity> removed = null; 14609 boolean changed = false; 14610 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14611 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 14612 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14613 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 14614 continue; 14615 } 14616 Iterator<PreferredActivity> it = pir.filterIterator(); 14617 while (it.hasNext()) { 14618 PreferredActivity pa = it.next(); 14619 // Mark entry for removal only if it matches the package name 14620 // and the entry is of type "always". 14621 if (packageName == null || 14622 (pa.mPref.mComponent.getPackageName().equals(packageName) 14623 && pa.mPref.mAlways)) { 14624 if (removed == null) { 14625 removed = new ArrayList<PreferredActivity>(); 14626 } 14627 removed.add(pa); 14628 } 14629 } 14630 if (removed != null) { 14631 for (int j=0; j<removed.size(); j++) { 14632 PreferredActivity pa = removed.get(j); 14633 pir.removeFilter(pa); 14634 } 14635 changed = true; 14636 } 14637 } 14638 return changed; 14639 } 14640 14641 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14642 private void clearIntentFilterVerificationsLPw(int userId) { 14643 final int packageCount = mPackages.size(); 14644 for (int i = 0; i < packageCount; i++) { 14645 PackageParser.Package pkg = mPackages.valueAt(i); 14646 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 14647 } 14648 } 14649 14650 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14651 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 14652 if (userId == UserHandle.USER_ALL) { 14653 if (mSettings.removeIntentFilterVerificationLPw(packageName, 14654 sUserManager.getUserIds())) { 14655 for (int oneUserId : sUserManager.getUserIds()) { 14656 scheduleWritePackageRestrictionsLocked(oneUserId); 14657 } 14658 } 14659 } else { 14660 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 14661 scheduleWritePackageRestrictionsLocked(userId); 14662 } 14663 } 14664 } 14665 14666 void clearDefaultBrowserIfNeeded(String packageName) { 14667 for (int oneUserId : sUserManager.getUserIds()) { 14668 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 14669 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 14670 if (packageName.equals(defaultBrowserPackageName)) { 14671 setDefaultBrowserPackageName(null, oneUserId); 14672 } 14673 } 14674 } 14675 14676 @Override 14677 public void resetApplicationPreferences(int userId) { 14678 mContext.enforceCallingOrSelfPermission( 14679 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14680 // writer 14681 synchronized (mPackages) { 14682 final long identity = Binder.clearCallingIdentity(); 14683 try { 14684 clearPackagePreferredActivitiesLPw(null, userId); 14685 mSettings.applyDefaultPreferredAppsLPw(this, userId); 14686 // TODO: We have to reset the default SMS and Phone. This requires 14687 // significant refactoring to keep all default apps in the package 14688 // manager (cleaner but more work) or have the services provide 14689 // callbacks to the package manager to request a default app reset. 14690 applyFactoryDefaultBrowserLPw(userId); 14691 clearIntentFilterVerificationsLPw(userId); 14692 primeDomainVerificationsLPw(userId); 14693 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 14694 scheduleWritePackageRestrictionsLocked(userId); 14695 } finally { 14696 Binder.restoreCallingIdentity(identity); 14697 } 14698 } 14699 } 14700 14701 @Override 14702 public int getPreferredActivities(List<IntentFilter> outFilters, 14703 List<ComponentName> outActivities, String packageName) { 14704 14705 int num = 0; 14706 final int userId = UserHandle.getCallingUserId(); 14707 // reader 14708 synchronized (mPackages) { 14709 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14710 if (pir != null) { 14711 final Iterator<PreferredActivity> it = pir.filterIterator(); 14712 while (it.hasNext()) { 14713 final PreferredActivity pa = it.next(); 14714 if (packageName == null 14715 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14716 && pa.mPref.mAlways)) { 14717 if (outFilters != null) { 14718 outFilters.add(new IntentFilter(pa)); 14719 } 14720 if (outActivities != null) { 14721 outActivities.add(pa.mPref.mComponent); 14722 } 14723 } 14724 } 14725 } 14726 } 14727 14728 return num; 14729 } 14730 14731 @Override 14732 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14733 int userId) { 14734 int callingUid = Binder.getCallingUid(); 14735 if (callingUid != Process.SYSTEM_UID) { 14736 throw new SecurityException( 14737 "addPersistentPreferredActivity can only be run by the system"); 14738 } 14739 if (filter.countActions() == 0) { 14740 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14741 return; 14742 } 14743 synchronized (mPackages) { 14744 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14745 " :"); 14746 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14747 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14748 new PersistentPreferredActivity(filter, activity)); 14749 scheduleWritePackageRestrictionsLocked(userId); 14750 } 14751 } 14752 14753 @Override 14754 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14755 int callingUid = Binder.getCallingUid(); 14756 if (callingUid != Process.SYSTEM_UID) { 14757 throw new SecurityException( 14758 "clearPackagePersistentPreferredActivities can only be run by the system"); 14759 } 14760 ArrayList<PersistentPreferredActivity> removed = null; 14761 boolean changed = false; 14762 synchronized (mPackages) { 14763 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14764 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14765 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14766 .valueAt(i); 14767 if (userId != thisUserId) { 14768 continue; 14769 } 14770 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14771 while (it.hasNext()) { 14772 PersistentPreferredActivity ppa = it.next(); 14773 // Mark entry for removal only if it matches the package name. 14774 if (ppa.mComponent.getPackageName().equals(packageName)) { 14775 if (removed == null) { 14776 removed = new ArrayList<PersistentPreferredActivity>(); 14777 } 14778 removed.add(ppa); 14779 } 14780 } 14781 if (removed != null) { 14782 for (int j=0; j<removed.size(); j++) { 14783 PersistentPreferredActivity ppa = removed.get(j); 14784 ppir.removeFilter(ppa); 14785 } 14786 changed = true; 14787 } 14788 } 14789 14790 if (changed) { 14791 scheduleWritePackageRestrictionsLocked(userId); 14792 } 14793 } 14794 } 14795 14796 /** 14797 * Common machinery for picking apart a restored XML blob and passing 14798 * it to a caller-supplied functor to be applied to the running system. 14799 */ 14800 private void restoreFromXml(XmlPullParser parser, int userId, 14801 String expectedStartTag, BlobXmlRestorer functor) 14802 throws IOException, XmlPullParserException { 14803 int type; 14804 while ((type = parser.next()) != XmlPullParser.START_TAG 14805 && type != XmlPullParser.END_DOCUMENT) { 14806 } 14807 if (type != XmlPullParser.START_TAG) { 14808 // oops didn't find a start tag?! 14809 if (DEBUG_BACKUP) { 14810 Slog.e(TAG, "Didn't find start tag during restore"); 14811 } 14812 return; 14813 } 14814 14815 // this is supposed to be TAG_PREFERRED_BACKUP 14816 if (!expectedStartTag.equals(parser.getName())) { 14817 if (DEBUG_BACKUP) { 14818 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14819 } 14820 return; 14821 } 14822 14823 // skip interfering stuff, then we're aligned with the backing implementation 14824 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14825 functor.apply(parser, userId); 14826 } 14827 14828 private interface BlobXmlRestorer { 14829 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14830 } 14831 14832 /** 14833 * Non-Binder method, support for the backup/restore mechanism: write the 14834 * full set of preferred activities in its canonical XML format. Returns the 14835 * XML output as a byte array, or null if there is none. 14836 */ 14837 @Override 14838 public byte[] getPreferredActivityBackup(int userId) { 14839 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14840 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14841 } 14842 14843 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14844 try { 14845 final XmlSerializer serializer = new FastXmlSerializer(); 14846 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14847 serializer.startDocument(null, true); 14848 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14849 14850 synchronized (mPackages) { 14851 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14852 } 14853 14854 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14855 serializer.endDocument(); 14856 serializer.flush(); 14857 } catch (Exception e) { 14858 if (DEBUG_BACKUP) { 14859 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14860 } 14861 return null; 14862 } 14863 14864 return dataStream.toByteArray(); 14865 } 14866 14867 @Override 14868 public void restorePreferredActivities(byte[] backup, int userId) { 14869 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14870 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14871 } 14872 14873 try { 14874 final XmlPullParser parser = Xml.newPullParser(); 14875 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14876 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14877 new BlobXmlRestorer() { 14878 @Override 14879 public void apply(XmlPullParser parser, int userId) 14880 throws XmlPullParserException, IOException { 14881 synchronized (mPackages) { 14882 mSettings.readPreferredActivitiesLPw(parser, userId); 14883 } 14884 } 14885 } ); 14886 } catch (Exception e) { 14887 if (DEBUG_BACKUP) { 14888 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14889 } 14890 } 14891 } 14892 14893 /** 14894 * Non-Binder method, support for the backup/restore mechanism: write the 14895 * default browser (etc) settings in its canonical XML format. Returns the default 14896 * browser XML representation as a byte array, or null if there is none. 14897 */ 14898 @Override 14899 public byte[] getDefaultAppsBackup(int userId) { 14900 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14901 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14902 } 14903 14904 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14905 try { 14906 final XmlSerializer serializer = new FastXmlSerializer(); 14907 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14908 serializer.startDocument(null, true); 14909 serializer.startTag(null, TAG_DEFAULT_APPS); 14910 14911 synchronized (mPackages) { 14912 mSettings.writeDefaultAppsLPr(serializer, userId); 14913 } 14914 14915 serializer.endTag(null, TAG_DEFAULT_APPS); 14916 serializer.endDocument(); 14917 serializer.flush(); 14918 } catch (Exception e) { 14919 if (DEBUG_BACKUP) { 14920 Slog.e(TAG, "Unable to write default apps for backup", e); 14921 } 14922 return null; 14923 } 14924 14925 return dataStream.toByteArray(); 14926 } 14927 14928 @Override 14929 public void restoreDefaultApps(byte[] backup, int userId) { 14930 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14931 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14932 } 14933 14934 try { 14935 final XmlPullParser parser = Xml.newPullParser(); 14936 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14937 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14938 new BlobXmlRestorer() { 14939 @Override 14940 public void apply(XmlPullParser parser, int userId) 14941 throws XmlPullParserException, IOException { 14942 synchronized (mPackages) { 14943 mSettings.readDefaultAppsLPw(parser, userId); 14944 } 14945 } 14946 } ); 14947 } catch (Exception e) { 14948 if (DEBUG_BACKUP) { 14949 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14950 } 14951 } 14952 } 14953 14954 @Override 14955 public byte[] getIntentFilterVerificationBackup(int userId) { 14956 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14957 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14958 } 14959 14960 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14961 try { 14962 final XmlSerializer serializer = new FastXmlSerializer(); 14963 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14964 serializer.startDocument(null, true); 14965 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14966 14967 synchronized (mPackages) { 14968 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14969 } 14970 14971 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14972 serializer.endDocument(); 14973 serializer.flush(); 14974 } catch (Exception e) { 14975 if (DEBUG_BACKUP) { 14976 Slog.e(TAG, "Unable to write default apps for backup", e); 14977 } 14978 return null; 14979 } 14980 14981 return dataStream.toByteArray(); 14982 } 14983 14984 @Override 14985 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14986 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14987 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14988 } 14989 14990 try { 14991 final XmlPullParser parser = Xml.newPullParser(); 14992 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14993 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14994 new BlobXmlRestorer() { 14995 @Override 14996 public void apply(XmlPullParser parser, int userId) 14997 throws XmlPullParserException, IOException { 14998 synchronized (mPackages) { 14999 mSettings.readAllDomainVerificationsLPr(parser, userId); 15000 mSettings.writeLPr(); 15001 } 15002 } 15003 } ); 15004 } catch (Exception e) { 15005 if (DEBUG_BACKUP) { 15006 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 15007 } 15008 } 15009 } 15010 15011 @Override 15012 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 15013 int sourceUserId, int targetUserId, int flags) { 15014 mContext.enforceCallingOrSelfPermission( 15015 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 15016 int callingUid = Binder.getCallingUid(); 15017 enforceOwnerRights(ownerPackage, callingUid); 15018 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 15019 if (intentFilter.countActions() == 0) { 15020 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 15021 return; 15022 } 15023 synchronized (mPackages) { 15024 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 15025 ownerPackage, targetUserId, flags); 15026 CrossProfileIntentResolver resolver = 15027 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 15028 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 15029 // We have all those whose filter is equal. Now checking if the rest is equal as well. 15030 if (existing != null) { 15031 int size = existing.size(); 15032 for (int i = 0; i < size; i++) { 15033 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 15034 return; 15035 } 15036 } 15037 } 15038 resolver.addFilter(newFilter); 15039 scheduleWritePackageRestrictionsLocked(sourceUserId); 15040 } 15041 } 15042 15043 @Override 15044 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 15045 mContext.enforceCallingOrSelfPermission( 15046 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 15047 int callingUid = Binder.getCallingUid(); 15048 enforceOwnerRights(ownerPackage, callingUid); 15049 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 15050 synchronized (mPackages) { 15051 CrossProfileIntentResolver resolver = 15052 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 15053 ArraySet<CrossProfileIntentFilter> set = 15054 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 15055 for (CrossProfileIntentFilter filter : set) { 15056 if (filter.getOwnerPackage().equals(ownerPackage)) { 15057 resolver.removeFilter(filter); 15058 } 15059 } 15060 scheduleWritePackageRestrictionsLocked(sourceUserId); 15061 } 15062 } 15063 15064 // Enforcing that callingUid is owning pkg on userId 15065 private void enforceOwnerRights(String pkg, int callingUid) { 15066 // The system owns everything. 15067 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 15068 return; 15069 } 15070 int callingUserId = UserHandle.getUserId(callingUid); 15071 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 15072 if (pi == null) { 15073 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 15074 + callingUserId); 15075 } 15076 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 15077 throw new SecurityException("Calling uid " + callingUid 15078 + " does not own package " + pkg); 15079 } 15080 } 15081 15082 @Override 15083 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 15084 Intent intent = new Intent(Intent.ACTION_MAIN); 15085 intent.addCategory(Intent.CATEGORY_HOME); 15086 15087 final int callingUserId = UserHandle.getCallingUserId(); 15088 List<ResolveInfo> list = queryIntentActivities(intent, null, 15089 PackageManager.GET_META_DATA, callingUserId); 15090 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 15091 true, false, false, callingUserId); 15092 15093 allHomeCandidates.clear(); 15094 if (list != null) { 15095 for (ResolveInfo ri : list) { 15096 allHomeCandidates.add(ri); 15097 } 15098 } 15099 return (preferred == null || preferred.activityInfo == null) 15100 ? null 15101 : new ComponentName(preferred.activityInfo.packageName, 15102 preferred.activityInfo.name); 15103 } 15104 15105 @Override 15106 public void setApplicationEnabledSetting(String appPackageName, 15107 int newState, int flags, int userId, String callingPackage) { 15108 if (!sUserManager.exists(userId)) return; 15109 if (callingPackage == null) { 15110 callingPackage = Integer.toString(Binder.getCallingUid()); 15111 } 15112 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 15113 } 15114 15115 @Override 15116 public void setComponentEnabledSetting(ComponentName componentName, 15117 int newState, int flags, int userId) { 15118 if (!sUserManager.exists(userId)) return; 15119 setEnabledSetting(componentName.getPackageName(), 15120 componentName.getClassName(), newState, flags, userId, null); 15121 } 15122 15123 private void setEnabledSetting(final String packageName, String className, int newState, 15124 final int flags, int userId, String callingPackage) { 15125 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 15126 || newState == COMPONENT_ENABLED_STATE_ENABLED 15127 || newState == COMPONENT_ENABLED_STATE_DISABLED 15128 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 15129 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 15130 throw new IllegalArgumentException("Invalid new component state: " 15131 + newState); 15132 } 15133 PackageSetting pkgSetting; 15134 final int uid = Binder.getCallingUid(); 15135 final int permission = mContext.checkCallingOrSelfPermission( 15136 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15137 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 15138 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15139 boolean sendNow = false; 15140 boolean isApp = (className == null); 15141 String componentName = isApp ? packageName : className; 15142 int packageUid = -1; 15143 ArrayList<String> components; 15144 15145 // writer 15146 synchronized (mPackages) { 15147 pkgSetting = mSettings.mPackages.get(packageName); 15148 if (pkgSetting == null) { 15149 if (className == null) { 15150 throw new IllegalArgumentException( 15151 "Unknown package: " + packageName); 15152 } 15153 throw new IllegalArgumentException( 15154 "Unknown component: " + packageName 15155 + "/" + className); 15156 } 15157 // Allow root and verify that userId is not being specified by a different user 15158 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 15159 throw new SecurityException( 15160 "Permission Denial: attempt to change component state from pid=" 15161 + Binder.getCallingPid() 15162 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 15163 } 15164 if (className == null) { 15165 // We're dealing with an application/package level state change 15166 if (pkgSetting.getEnabled(userId) == newState) { 15167 // Nothing to do 15168 return; 15169 } 15170 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 15171 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 15172 // Don't care about who enables an app. 15173 callingPackage = null; 15174 } 15175 pkgSetting.setEnabled(newState, userId, callingPackage); 15176 // pkgSetting.pkg.mSetEnabled = newState; 15177 } else { 15178 // We're dealing with a component level state change 15179 // First, verify that this is a valid class name. 15180 PackageParser.Package pkg = pkgSetting.pkg; 15181 if (pkg == null || !pkg.hasComponentClassName(className)) { 15182 if (pkg != null && 15183 pkg.applicationInfo.targetSdkVersion >= 15184 Build.VERSION_CODES.JELLY_BEAN) { 15185 throw new IllegalArgumentException("Component class " + className 15186 + " does not exist in " + packageName); 15187 } else { 15188 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 15189 + className + " does not exist in " + packageName); 15190 } 15191 } 15192 switch (newState) { 15193 case COMPONENT_ENABLED_STATE_ENABLED: 15194 if (!pkgSetting.enableComponentLPw(className, userId)) { 15195 return; 15196 } 15197 break; 15198 case COMPONENT_ENABLED_STATE_DISABLED: 15199 if (!pkgSetting.disableComponentLPw(className, userId)) { 15200 return; 15201 } 15202 break; 15203 case COMPONENT_ENABLED_STATE_DEFAULT: 15204 if (!pkgSetting.restoreComponentLPw(className, userId)) { 15205 return; 15206 } 15207 break; 15208 default: 15209 Slog.e(TAG, "Invalid new component state: " + newState); 15210 return; 15211 } 15212 } 15213 scheduleWritePackageRestrictionsLocked(userId); 15214 components = mPendingBroadcasts.get(userId, packageName); 15215 final boolean newPackage = components == null; 15216 if (newPackage) { 15217 components = new ArrayList<String>(); 15218 } 15219 if (!components.contains(componentName)) { 15220 components.add(componentName); 15221 } 15222 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 15223 sendNow = true; 15224 // Purge entry from pending broadcast list if another one exists already 15225 // since we are sending one right away. 15226 mPendingBroadcasts.remove(userId, packageName); 15227 } else { 15228 if (newPackage) { 15229 mPendingBroadcasts.put(userId, packageName, components); 15230 } 15231 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 15232 // Schedule a message 15233 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 15234 } 15235 } 15236 } 15237 15238 long callingId = Binder.clearCallingIdentity(); 15239 try { 15240 if (sendNow) { 15241 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 15242 sendPackageChangedBroadcast(packageName, 15243 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 15244 } 15245 } finally { 15246 Binder.restoreCallingIdentity(callingId); 15247 } 15248 } 15249 15250 private void sendPackageChangedBroadcast(String packageName, 15251 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 15252 if (DEBUG_INSTALL) 15253 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 15254 + componentNames); 15255 Bundle extras = new Bundle(4); 15256 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 15257 String nameList[] = new String[componentNames.size()]; 15258 componentNames.toArray(nameList); 15259 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 15260 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 15261 extras.putInt(Intent.EXTRA_UID, packageUid); 15262 // If this is not reporting a change of the overall package, then only send it 15263 // to registered receivers. We don't want to launch a swath of apps for every 15264 // little component state change. 15265 final int flags = !componentNames.contains(packageName) 15266 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 15267 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 15268 new int[] {UserHandle.getUserId(packageUid)}); 15269 } 15270 15271 @Override 15272 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 15273 if (!sUserManager.exists(userId)) return; 15274 final int uid = Binder.getCallingUid(); 15275 final int permission = mContext.checkCallingOrSelfPermission( 15276 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15277 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15278 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 15279 // writer 15280 synchronized (mPackages) { 15281 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 15282 allowedByPermission, uid, userId)) { 15283 scheduleWritePackageRestrictionsLocked(userId); 15284 } 15285 } 15286 } 15287 15288 @Override 15289 public String getInstallerPackageName(String packageName) { 15290 // reader 15291 synchronized (mPackages) { 15292 return mSettings.getInstallerPackageNameLPr(packageName); 15293 } 15294 } 15295 15296 @Override 15297 public int getApplicationEnabledSetting(String packageName, int userId) { 15298 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15299 int uid = Binder.getCallingUid(); 15300 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 15301 // reader 15302 synchronized (mPackages) { 15303 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 15304 } 15305 } 15306 15307 @Override 15308 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 15309 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15310 int uid = Binder.getCallingUid(); 15311 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 15312 // reader 15313 synchronized (mPackages) { 15314 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 15315 } 15316 } 15317 15318 @Override 15319 public void enterSafeMode() { 15320 enforceSystemOrRoot("Only the system can request entering safe mode"); 15321 15322 if (!mSystemReady) { 15323 mSafeMode = true; 15324 } 15325 } 15326 15327 @Override 15328 public void systemReady() { 15329 mSystemReady = true; 15330 15331 // Read the compatibilty setting when the system is ready. 15332 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 15333 mContext.getContentResolver(), 15334 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 15335 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 15336 if (DEBUG_SETTINGS) { 15337 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 15338 } 15339 15340 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 15341 15342 synchronized (mPackages) { 15343 // Verify that all of the preferred activity components actually 15344 // exist. It is possible for applications to be updated and at 15345 // that point remove a previously declared activity component that 15346 // had been set as a preferred activity. We try to clean this up 15347 // the next time we encounter that preferred activity, but it is 15348 // possible for the user flow to never be able to return to that 15349 // situation so here we do a sanity check to make sure we haven't 15350 // left any junk around. 15351 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 15352 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15353 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15354 removed.clear(); 15355 for (PreferredActivity pa : pir.filterSet()) { 15356 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 15357 removed.add(pa); 15358 } 15359 } 15360 if (removed.size() > 0) { 15361 for (int r=0; r<removed.size(); r++) { 15362 PreferredActivity pa = removed.get(r); 15363 Slog.w(TAG, "Removing dangling preferred activity: " 15364 + pa.mPref.mComponent); 15365 pir.removeFilter(pa); 15366 } 15367 mSettings.writePackageRestrictionsLPr( 15368 mSettings.mPreferredActivities.keyAt(i)); 15369 } 15370 } 15371 15372 for (int userId : UserManagerService.getInstance().getUserIds()) { 15373 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 15374 grantPermissionsUserIds = ArrayUtils.appendInt( 15375 grantPermissionsUserIds, userId); 15376 } 15377 } 15378 } 15379 sUserManager.systemReady(); 15380 15381 // If we upgraded grant all default permissions before kicking off. 15382 for (int userId : grantPermissionsUserIds) { 15383 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 15384 } 15385 15386 // Kick off any messages waiting for system ready 15387 if (mPostSystemReadyMessages != null) { 15388 for (Message msg : mPostSystemReadyMessages) { 15389 msg.sendToTarget(); 15390 } 15391 mPostSystemReadyMessages = null; 15392 } 15393 15394 // Watch for external volumes that come and go over time 15395 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15396 storage.registerListener(mStorageListener); 15397 15398 mInstallerService.systemReady(); 15399 mPackageDexOptimizer.systemReady(); 15400 15401 MountServiceInternal mountServiceInternal = LocalServices.getService( 15402 MountServiceInternal.class); 15403 mountServiceInternal.addExternalStoragePolicy( 15404 new MountServiceInternal.ExternalStorageMountPolicy() { 15405 @Override 15406 public int getMountMode(int uid, String packageName) { 15407 if (Process.isIsolated(uid)) { 15408 return Zygote.MOUNT_EXTERNAL_NONE; 15409 } 15410 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 15411 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15412 } 15413 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15414 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15415 } 15416 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15417 return Zygote.MOUNT_EXTERNAL_READ; 15418 } 15419 return Zygote.MOUNT_EXTERNAL_WRITE; 15420 } 15421 15422 @Override 15423 public boolean hasExternalStorage(int uid, String packageName) { 15424 return true; 15425 } 15426 }); 15427 } 15428 15429 @Override 15430 public boolean isSafeMode() { 15431 return mSafeMode; 15432 } 15433 15434 @Override 15435 public boolean hasSystemUidErrors() { 15436 return mHasSystemUidErrors; 15437 } 15438 15439 static String arrayToString(int[] array) { 15440 StringBuffer buf = new StringBuffer(128); 15441 buf.append('['); 15442 if (array != null) { 15443 for (int i=0; i<array.length; i++) { 15444 if (i > 0) buf.append(", "); 15445 buf.append(array[i]); 15446 } 15447 } 15448 buf.append(']'); 15449 return buf.toString(); 15450 } 15451 15452 static class DumpState { 15453 public static final int DUMP_LIBS = 1 << 0; 15454 public static final int DUMP_FEATURES = 1 << 1; 15455 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 15456 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 15457 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 15458 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 15459 public static final int DUMP_PERMISSIONS = 1 << 6; 15460 public static final int DUMP_PACKAGES = 1 << 7; 15461 public static final int DUMP_SHARED_USERS = 1 << 8; 15462 public static final int DUMP_MESSAGES = 1 << 9; 15463 public static final int DUMP_PROVIDERS = 1 << 10; 15464 public static final int DUMP_VERIFIERS = 1 << 11; 15465 public static final int DUMP_PREFERRED = 1 << 12; 15466 public static final int DUMP_PREFERRED_XML = 1 << 13; 15467 public static final int DUMP_KEYSETS = 1 << 14; 15468 public static final int DUMP_VERSION = 1 << 15; 15469 public static final int DUMP_INSTALLS = 1 << 16; 15470 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 15471 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 15472 15473 public static final int OPTION_SHOW_FILTERS = 1 << 0; 15474 15475 private int mTypes; 15476 15477 private int mOptions; 15478 15479 private boolean mTitlePrinted; 15480 15481 private SharedUserSetting mSharedUser; 15482 15483 public boolean isDumping(int type) { 15484 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 15485 return true; 15486 } 15487 15488 return (mTypes & type) != 0; 15489 } 15490 15491 public void setDump(int type) { 15492 mTypes |= type; 15493 } 15494 15495 public boolean isOptionEnabled(int option) { 15496 return (mOptions & option) != 0; 15497 } 15498 15499 public void setOptionEnabled(int option) { 15500 mOptions |= option; 15501 } 15502 15503 public boolean onTitlePrinted() { 15504 final boolean printed = mTitlePrinted; 15505 mTitlePrinted = true; 15506 return printed; 15507 } 15508 15509 public boolean getTitlePrinted() { 15510 return mTitlePrinted; 15511 } 15512 15513 public void setTitlePrinted(boolean enabled) { 15514 mTitlePrinted = enabled; 15515 } 15516 15517 public SharedUserSetting getSharedUser() { 15518 return mSharedUser; 15519 } 15520 15521 public void setSharedUser(SharedUserSetting user) { 15522 mSharedUser = user; 15523 } 15524 } 15525 15526 @Override 15527 public void onShellCommand(FileDescriptor in, FileDescriptor out, 15528 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 15529 (new PackageManagerShellCommand(this)).exec( 15530 this, in, out, err, args, resultReceiver); 15531 } 15532 15533 @Override 15534 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 15535 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 15536 != PackageManager.PERMISSION_GRANTED) { 15537 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 15538 + Binder.getCallingPid() 15539 + ", uid=" + Binder.getCallingUid() 15540 + " without permission " 15541 + android.Manifest.permission.DUMP); 15542 return; 15543 } 15544 15545 DumpState dumpState = new DumpState(); 15546 boolean fullPreferred = false; 15547 boolean checkin = false; 15548 15549 String packageName = null; 15550 ArraySet<String> permissionNames = null; 15551 15552 int opti = 0; 15553 while (opti < args.length) { 15554 String opt = args[opti]; 15555 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 15556 break; 15557 } 15558 opti++; 15559 15560 if ("-a".equals(opt)) { 15561 // Right now we only know how to print all. 15562 } else if ("-h".equals(opt)) { 15563 pw.println("Package manager dump options:"); 15564 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 15565 pw.println(" --checkin: dump for a checkin"); 15566 pw.println(" -f: print details of intent filters"); 15567 pw.println(" -h: print this help"); 15568 pw.println(" cmd may be one of:"); 15569 pw.println(" l[ibraries]: list known shared libraries"); 15570 pw.println(" f[eatures]: list device features"); 15571 pw.println(" k[eysets]: print known keysets"); 15572 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 15573 pw.println(" perm[issions]: dump permissions"); 15574 pw.println(" permission [name ...]: dump declaration and use of given permission"); 15575 pw.println(" pref[erred]: print preferred package settings"); 15576 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 15577 pw.println(" prov[iders]: dump content providers"); 15578 pw.println(" p[ackages]: dump installed packages"); 15579 pw.println(" s[hared-users]: dump shared user IDs"); 15580 pw.println(" m[essages]: print collected runtime messages"); 15581 pw.println(" v[erifiers]: print package verifier info"); 15582 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 15583 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 15584 pw.println(" version: print database version info"); 15585 pw.println(" write: write current settings now"); 15586 pw.println(" installs: details about install sessions"); 15587 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 15588 pw.println(" <package.name>: info about given package"); 15589 return; 15590 } else if ("--checkin".equals(opt)) { 15591 checkin = true; 15592 } else if ("-f".equals(opt)) { 15593 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15594 } else { 15595 pw.println("Unknown argument: " + opt + "; use -h for help"); 15596 } 15597 } 15598 15599 // Is the caller requesting to dump a particular piece of data? 15600 if (opti < args.length) { 15601 String cmd = args[opti]; 15602 opti++; 15603 // Is this a package name? 15604 if ("android".equals(cmd) || cmd.contains(".")) { 15605 packageName = cmd; 15606 // When dumping a single package, we always dump all of its 15607 // filter information since the amount of data will be reasonable. 15608 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15609 } else if ("check-permission".equals(cmd)) { 15610 if (opti >= args.length) { 15611 pw.println("Error: check-permission missing permission argument"); 15612 return; 15613 } 15614 String perm = args[opti]; 15615 opti++; 15616 if (opti >= args.length) { 15617 pw.println("Error: check-permission missing package argument"); 15618 return; 15619 } 15620 String pkg = args[opti]; 15621 opti++; 15622 int user = UserHandle.getUserId(Binder.getCallingUid()); 15623 if (opti < args.length) { 15624 try { 15625 user = Integer.parseInt(args[opti]); 15626 } catch (NumberFormatException e) { 15627 pw.println("Error: check-permission user argument is not a number: " 15628 + args[opti]); 15629 return; 15630 } 15631 } 15632 pw.println(checkPermission(perm, pkg, user)); 15633 return; 15634 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 15635 dumpState.setDump(DumpState.DUMP_LIBS); 15636 } else if ("f".equals(cmd) || "features".equals(cmd)) { 15637 dumpState.setDump(DumpState.DUMP_FEATURES); 15638 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 15639 if (opti >= args.length) { 15640 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 15641 | DumpState.DUMP_SERVICE_RESOLVERS 15642 | DumpState.DUMP_RECEIVER_RESOLVERS 15643 | DumpState.DUMP_CONTENT_RESOLVERS); 15644 } else { 15645 while (opti < args.length) { 15646 String name = args[opti]; 15647 if ("a".equals(name) || "activity".equals(name)) { 15648 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 15649 } else if ("s".equals(name) || "service".equals(name)) { 15650 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 15651 } else if ("r".equals(name) || "receiver".equals(name)) { 15652 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 15653 } else if ("c".equals(name) || "content".equals(name)) { 15654 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 15655 } else { 15656 pw.println("Error: unknown resolver table type: " + name); 15657 return; 15658 } 15659 opti++; 15660 } 15661 } 15662 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 15663 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 15664 } else if ("permission".equals(cmd)) { 15665 if (opti >= args.length) { 15666 pw.println("Error: permission requires permission name"); 15667 return; 15668 } 15669 permissionNames = new ArraySet<>(); 15670 while (opti < args.length) { 15671 permissionNames.add(args[opti]); 15672 opti++; 15673 } 15674 dumpState.setDump(DumpState.DUMP_PERMISSIONS 15675 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 15676 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 15677 dumpState.setDump(DumpState.DUMP_PREFERRED); 15678 } else if ("preferred-xml".equals(cmd)) { 15679 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 15680 if (opti < args.length && "--full".equals(args[opti])) { 15681 fullPreferred = true; 15682 opti++; 15683 } 15684 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 15685 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 15686 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 15687 dumpState.setDump(DumpState.DUMP_PACKAGES); 15688 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 15689 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 15690 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 15691 dumpState.setDump(DumpState.DUMP_PROVIDERS); 15692 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 15693 dumpState.setDump(DumpState.DUMP_MESSAGES); 15694 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 15695 dumpState.setDump(DumpState.DUMP_VERIFIERS); 15696 } else if ("i".equals(cmd) || "ifv".equals(cmd) 15697 || "intent-filter-verifiers".equals(cmd)) { 15698 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 15699 } else if ("version".equals(cmd)) { 15700 dumpState.setDump(DumpState.DUMP_VERSION); 15701 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 15702 dumpState.setDump(DumpState.DUMP_KEYSETS); 15703 } else if ("installs".equals(cmd)) { 15704 dumpState.setDump(DumpState.DUMP_INSTALLS); 15705 } else if ("write".equals(cmd)) { 15706 synchronized (mPackages) { 15707 mSettings.writeLPr(); 15708 pw.println("Settings written."); 15709 return; 15710 } 15711 } 15712 } 15713 15714 if (checkin) { 15715 pw.println("vers,1"); 15716 } 15717 15718 // reader 15719 synchronized (mPackages) { 15720 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 15721 if (!checkin) { 15722 if (dumpState.onTitlePrinted()) 15723 pw.println(); 15724 pw.println("Database versions:"); 15725 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 15726 } 15727 } 15728 15729 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 15730 if (!checkin) { 15731 if (dumpState.onTitlePrinted()) 15732 pw.println(); 15733 pw.println("Verifiers:"); 15734 pw.print(" Required: "); 15735 pw.print(mRequiredVerifierPackage); 15736 pw.print(" (uid="); 15737 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 15738 pw.println(")"); 15739 } else if (mRequiredVerifierPackage != null) { 15740 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 15741 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 15742 } 15743 } 15744 15745 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 15746 packageName == null) { 15747 if (mIntentFilterVerifierComponent != null) { 15748 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 15749 if (!checkin) { 15750 if (dumpState.onTitlePrinted()) 15751 pw.println(); 15752 pw.println("Intent Filter Verifier:"); 15753 pw.print(" Using: "); 15754 pw.print(verifierPackageName); 15755 pw.print(" (uid="); 15756 pw.print(getPackageUid(verifierPackageName, 0)); 15757 pw.println(")"); 15758 } else if (verifierPackageName != null) { 15759 pw.print("ifv,"); pw.print(verifierPackageName); 15760 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 15761 } 15762 } else { 15763 pw.println(); 15764 pw.println("No Intent Filter Verifier available!"); 15765 } 15766 } 15767 15768 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 15769 boolean printedHeader = false; 15770 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 15771 while (it.hasNext()) { 15772 String name = it.next(); 15773 SharedLibraryEntry ent = mSharedLibraries.get(name); 15774 if (!checkin) { 15775 if (!printedHeader) { 15776 if (dumpState.onTitlePrinted()) 15777 pw.println(); 15778 pw.println("Libraries:"); 15779 printedHeader = true; 15780 } 15781 pw.print(" "); 15782 } else { 15783 pw.print("lib,"); 15784 } 15785 pw.print(name); 15786 if (!checkin) { 15787 pw.print(" -> "); 15788 } 15789 if (ent.path != null) { 15790 if (!checkin) { 15791 pw.print("(jar) "); 15792 pw.print(ent.path); 15793 } else { 15794 pw.print(",jar,"); 15795 pw.print(ent.path); 15796 } 15797 } else { 15798 if (!checkin) { 15799 pw.print("(apk) "); 15800 pw.print(ent.apk); 15801 } else { 15802 pw.print(",apk,"); 15803 pw.print(ent.apk); 15804 } 15805 } 15806 pw.println(); 15807 } 15808 } 15809 15810 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15811 if (dumpState.onTitlePrinted()) 15812 pw.println(); 15813 if (!checkin) { 15814 pw.println("Features:"); 15815 } 15816 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15817 while (it.hasNext()) { 15818 String name = it.next(); 15819 if (!checkin) { 15820 pw.print(" "); 15821 } else { 15822 pw.print("feat,"); 15823 } 15824 pw.println(name); 15825 } 15826 } 15827 15828 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 15829 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15830 : "Activity Resolver Table:", " ", packageName, 15831 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15832 dumpState.setTitlePrinted(true); 15833 } 15834 } 15835 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 15836 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15837 : "Receiver Resolver Table:", " ", packageName, 15838 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15839 dumpState.setTitlePrinted(true); 15840 } 15841 } 15842 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 15843 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15844 : "Service Resolver Table:", " ", packageName, 15845 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15846 dumpState.setTitlePrinted(true); 15847 } 15848 } 15849 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 15850 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15851 : "Provider Resolver Table:", " ", packageName, 15852 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15853 dumpState.setTitlePrinted(true); 15854 } 15855 } 15856 15857 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15858 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15859 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15860 int user = mSettings.mPreferredActivities.keyAt(i); 15861 if (pir.dump(pw, 15862 dumpState.getTitlePrinted() 15863 ? "\nPreferred Activities User " + user + ":" 15864 : "Preferred Activities User " + user + ":", " ", 15865 packageName, true, false)) { 15866 dumpState.setTitlePrinted(true); 15867 } 15868 } 15869 } 15870 15871 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15872 pw.flush(); 15873 FileOutputStream fout = new FileOutputStream(fd); 15874 BufferedOutputStream str = new BufferedOutputStream(fout); 15875 XmlSerializer serializer = new FastXmlSerializer(); 15876 try { 15877 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15878 serializer.startDocument(null, true); 15879 serializer.setFeature( 15880 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15881 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15882 serializer.endDocument(); 15883 serializer.flush(); 15884 } catch (IllegalArgumentException e) { 15885 pw.println("Failed writing: " + e); 15886 } catch (IllegalStateException e) { 15887 pw.println("Failed writing: " + e); 15888 } catch (IOException e) { 15889 pw.println("Failed writing: " + e); 15890 } 15891 } 15892 15893 if (!checkin 15894 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15895 && packageName == null) { 15896 pw.println(); 15897 int count = mSettings.mPackages.size(); 15898 if (count == 0) { 15899 pw.println("No applications!"); 15900 pw.println(); 15901 } else { 15902 final String prefix = " "; 15903 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15904 if (allPackageSettings.size() == 0) { 15905 pw.println("No domain preferred apps!"); 15906 pw.println(); 15907 } else { 15908 pw.println("App verification status:"); 15909 pw.println(); 15910 count = 0; 15911 for (PackageSetting ps : allPackageSettings) { 15912 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15913 if (ivi == null || ivi.getPackageName() == null) continue; 15914 pw.println(prefix + "Package: " + ivi.getPackageName()); 15915 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15916 pw.println(prefix + "Status: " + ivi.getStatusString()); 15917 pw.println(); 15918 count++; 15919 } 15920 if (count == 0) { 15921 pw.println(prefix + "No app verification established."); 15922 pw.println(); 15923 } 15924 for (int userId : sUserManager.getUserIds()) { 15925 pw.println("App linkages for user " + userId + ":"); 15926 pw.println(); 15927 count = 0; 15928 for (PackageSetting ps : allPackageSettings) { 15929 final long status = ps.getDomainVerificationStatusForUser(userId); 15930 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15931 continue; 15932 } 15933 pw.println(prefix + "Package: " + ps.name); 15934 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15935 String statusStr = IntentFilterVerificationInfo. 15936 getStatusStringFromValue(status); 15937 pw.println(prefix + "Status: " + statusStr); 15938 pw.println(); 15939 count++; 15940 } 15941 if (count == 0) { 15942 pw.println(prefix + "No configured app linkages."); 15943 pw.println(); 15944 } 15945 } 15946 } 15947 } 15948 } 15949 15950 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15951 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15952 if (packageName == null && permissionNames == null) { 15953 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15954 if (iperm == 0) { 15955 if (dumpState.onTitlePrinted()) 15956 pw.println(); 15957 pw.println("AppOp Permissions:"); 15958 } 15959 pw.print(" AppOp Permission "); 15960 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15961 pw.println(":"); 15962 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15963 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15964 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15965 } 15966 } 15967 } 15968 } 15969 15970 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15971 boolean printedSomething = false; 15972 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15973 if (packageName != null && !packageName.equals(p.info.packageName)) { 15974 continue; 15975 } 15976 if (!printedSomething) { 15977 if (dumpState.onTitlePrinted()) 15978 pw.println(); 15979 pw.println("Registered ContentProviders:"); 15980 printedSomething = true; 15981 } 15982 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15983 pw.print(" "); pw.println(p.toString()); 15984 } 15985 printedSomething = false; 15986 for (Map.Entry<String, PackageParser.Provider> entry : 15987 mProvidersByAuthority.entrySet()) { 15988 PackageParser.Provider p = entry.getValue(); 15989 if (packageName != null && !packageName.equals(p.info.packageName)) { 15990 continue; 15991 } 15992 if (!printedSomething) { 15993 if (dumpState.onTitlePrinted()) 15994 pw.println(); 15995 pw.println("ContentProvider Authorities:"); 15996 printedSomething = true; 15997 } 15998 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15999 pw.print(" "); pw.println(p.toString()); 16000 if (p.info != null && p.info.applicationInfo != null) { 16001 final String appInfo = p.info.applicationInfo.toString(); 16002 pw.print(" applicationInfo="); pw.println(appInfo); 16003 } 16004 } 16005 } 16006 16007 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 16008 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 16009 } 16010 16011 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 16012 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 16013 } 16014 16015 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 16016 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 16017 } 16018 16019 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 16020 // XXX should handle packageName != null by dumping only install data that 16021 // the given package is involved with. 16022 if (dumpState.onTitlePrinted()) pw.println(); 16023 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 16024 } 16025 16026 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 16027 if (dumpState.onTitlePrinted()) pw.println(); 16028 mSettings.dumpReadMessagesLPr(pw, dumpState); 16029 16030 pw.println(); 16031 pw.println("Package warning messages:"); 16032 BufferedReader in = null; 16033 String line = null; 16034 try { 16035 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 16036 while ((line = in.readLine()) != null) { 16037 if (line.contains("ignored: updated version")) continue; 16038 pw.println(line); 16039 } 16040 } catch (IOException ignored) { 16041 } finally { 16042 IoUtils.closeQuietly(in); 16043 } 16044 } 16045 16046 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 16047 BufferedReader in = null; 16048 String line = null; 16049 try { 16050 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 16051 while ((line = in.readLine()) != null) { 16052 if (line.contains("ignored: updated version")) continue; 16053 pw.print("msg,"); 16054 pw.println(line); 16055 } 16056 } catch (IOException ignored) { 16057 } finally { 16058 IoUtils.closeQuietly(in); 16059 } 16060 } 16061 } 16062 } 16063 16064 private String dumpDomainString(String packageName) { 16065 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 16066 List<IntentFilter> filters = getAllIntentFilters(packageName); 16067 16068 ArraySet<String> result = new ArraySet<>(); 16069 if (iviList.size() > 0) { 16070 for (IntentFilterVerificationInfo ivi : iviList) { 16071 for (String host : ivi.getDomains()) { 16072 result.add(host); 16073 } 16074 } 16075 } 16076 if (filters != null && filters.size() > 0) { 16077 for (IntentFilter filter : filters) { 16078 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 16079 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 16080 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 16081 result.addAll(filter.getHostsList()); 16082 } 16083 } 16084 } 16085 16086 StringBuilder sb = new StringBuilder(result.size() * 16); 16087 for (String domain : result) { 16088 if (sb.length() > 0) sb.append(" "); 16089 sb.append(domain); 16090 } 16091 return sb.toString(); 16092 } 16093 16094 // ------- apps on sdcard specific code ------- 16095 static final boolean DEBUG_SD_INSTALL = false; 16096 16097 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 16098 16099 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 16100 16101 private boolean mMediaMounted = false; 16102 16103 static String getEncryptKey() { 16104 try { 16105 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 16106 SD_ENCRYPTION_KEYSTORE_NAME); 16107 if (sdEncKey == null) { 16108 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 16109 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 16110 if (sdEncKey == null) { 16111 Slog.e(TAG, "Failed to create encryption keys"); 16112 return null; 16113 } 16114 } 16115 return sdEncKey; 16116 } catch (NoSuchAlgorithmException nsae) { 16117 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 16118 return null; 16119 } catch (IOException ioe) { 16120 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 16121 return null; 16122 } 16123 } 16124 16125 /* 16126 * Update media status on PackageManager. 16127 */ 16128 @Override 16129 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 16130 int callingUid = Binder.getCallingUid(); 16131 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 16132 throw new SecurityException("Media status can only be updated by the system"); 16133 } 16134 // reader; this apparently protects mMediaMounted, but should probably 16135 // be a different lock in that case. 16136 synchronized (mPackages) { 16137 Log.i(TAG, "Updating external media status from " 16138 + (mMediaMounted ? "mounted" : "unmounted") + " to " 16139 + (mediaStatus ? "mounted" : "unmounted")); 16140 if (DEBUG_SD_INSTALL) 16141 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 16142 + ", mMediaMounted=" + mMediaMounted); 16143 if (mediaStatus == mMediaMounted) { 16144 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 16145 : 0, -1); 16146 mHandler.sendMessage(msg); 16147 return; 16148 } 16149 mMediaMounted = mediaStatus; 16150 } 16151 // Queue up an async operation since the package installation may take a 16152 // little while. 16153 mHandler.post(new Runnable() { 16154 public void run() { 16155 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 16156 } 16157 }); 16158 } 16159 16160 /** 16161 * Called by MountService when the initial ASECs to scan are available. 16162 * Should block until all the ASEC containers are finished being scanned. 16163 */ 16164 public void scanAvailableAsecs() { 16165 updateExternalMediaStatusInner(true, false, false); 16166 if (mShouldRestoreconData) { 16167 SELinuxMMAC.setRestoreconDone(); 16168 mShouldRestoreconData = false; 16169 } 16170 } 16171 16172 /* 16173 * Collect information of applications on external media, map them against 16174 * existing containers and update information based on current mount status. 16175 * Please note that we always have to report status if reportStatus has been 16176 * set to true especially when unloading packages. 16177 */ 16178 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 16179 boolean externalStorage) { 16180 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 16181 int[] uidArr = EmptyArray.INT; 16182 16183 final String[] list = PackageHelper.getSecureContainerList(); 16184 if (ArrayUtils.isEmpty(list)) { 16185 Log.i(TAG, "No secure containers found"); 16186 } else { 16187 // Process list of secure containers and categorize them 16188 // as active or stale based on their package internal state. 16189 16190 // reader 16191 synchronized (mPackages) { 16192 for (String cid : list) { 16193 // Leave stages untouched for now; installer service owns them 16194 if (PackageInstallerService.isStageName(cid)) continue; 16195 16196 if (DEBUG_SD_INSTALL) 16197 Log.i(TAG, "Processing container " + cid); 16198 String pkgName = getAsecPackageName(cid); 16199 if (pkgName == null) { 16200 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 16201 continue; 16202 } 16203 if (DEBUG_SD_INSTALL) 16204 Log.i(TAG, "Looking for pkg : " + pkgName); 16205 16206 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16207 if (ps == null) { 16208 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 16209 continue; 16210 } 16211 16212 /* 16213 * Skip packages that are not external if we're unmounting 16214 * external storage. 16215 */ 16216 if (externalStorage && !isMounted && !isExternal(ps)) { 16217 continue; 16218 } 16219 16220 final AsecInstallArgs args = new AsecInstallArgs(cid, 16221 getAppDexInstructionSets(ps), ps.isForwardLocked()); 16222 // The package status is changed only if the code path 16223 // matches between settings and the container id. 16224 if (ps.codePathString != null 16225 && ps.codePathString.startsWith(args.getCodePath())) { 16226 if (DEBUG_SD_INSTALL) { 16227 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 16228 + " at code path: " + ps.codePathString); 16229 } 16230 16231 // We do have a valid package installed on sdcard 16232 processCids.put(args, ps.codePathString); 16233 final int uid = ps.appId; 16234 if (uid != -1) { 16235 uidArr = ArrayUtils.appendInt(uidArr, uid); 16236 } 16237 } else { 16238 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 16239 + ps.codePathString); 16240 } 16241 } 16242 } 16243 16244 Arrays.sort(uidArr); 16245 } 16246 16247 // Process packages with valid entries. 16248 if (isMounted) { 16249 if (DEBUG_SD_INSTALL) 16250 Log.i(TAG, "Loading packages"); 16251 loadMediaPackages(processCids, uidArr, externalStorage); 16252 startCleaningPackages(); 16253 mInstallerService.onSecureContainersAvailable(); 16254 } else { 16255 if (DEBUG_SD_INSTALL) 16256 Log.i(TAG, "Unloading packages"); 16257 unloadMediaPackages(processCids, uidArr, reportStatus); 16258 } 16259 } 16260 16261 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16262 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 16263 final int size = infos.size(); 16264 final String[] packageNames = new String[size]; 16265 final int[] packageUids = new int[size]; 16266 for (int i = 0; i < size; i++) { 16267 final ApplicationInfo info = infos.get(i); 16268 packageNames[i] = info.packageName; 16269 packageUids[i] = info.uid; 16270 } 16271 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 16272 finishedReceiver); 16273 } 16274 16275 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16276 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16277 sendResourcesChangedBroadcast(mediaStatus, replacing, 16278 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 16279 } 16280 16281 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16282 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16283 int size = pkgList.length; 16284 if (size > 0) { 16285 // Send broadcasts here 16286 Bundle extras = new Bundle(); 16287 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 16288 if (uidArr != null) { 16289 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 16290 } 16291 if (replacing) { 16292 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 16293 } 16294 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 16295 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 16296 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 16297 } 16298 } 16299 16300 /* 16301 * Look at potentially valid container ids from processCids If package 16302 * information doesn't match the one on record or package scanning fails, 16303 * the cid is added to list of removeCids. We currently don't delete stale 16304 * containers. 16305 */ 16306 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 16307 boolean externalStorage) { 16308 ArrayList<String> pkgList = new ArrayList<String>(); 16309 Set<AsecInstallArgs> keys = processCids.keySet(); 16310 16311 for (AsecInstallArgs args : keys) { 16312 String codePath = processCids.get(args); 16313 if (DEBUG_SD_INSTALL) 16314 Log.i(TAG, "Loading container : " + args.cid); 16315 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16316 try { 16317 // Make sure there are no container errors first. 16318 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 16319 Slog.e(TAG, "Failed to mount cid : " + args.cid 16320 + " when installing from sdcard"); 16321 continue; 16322 } 16323 // Check code path here. 16324 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 16325 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 16326 + " does not match one in settings " + codePath); 16327 continue; 16328 } 16329 // Parse package 16330 int parseFlags = mDefParseFlags; 16331 if (args.isExternalAsec()) { 16332 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 16333 } 16334 if (args.isFwdLocked()) { 16335 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 16336 } 16337 16338 synchronized (mInstallLock) { 16339 PackageParser.Package pkg = null; 16340 try { 16341 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 16342 } catch (PackageManagerException e) { 16343 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 16344 } 16345 // Scan the package 16346 if (pkg != null) { 16347 /* 16348 * TODO why is the lock being held? doPostInstall is 16349 * called in other places without the lock. This needs 16350 * to be straightened out. 16351 */ 16352 // writer 16353 synchronized (mPackages) { 16354 retCode = PackageManager.INSTALL_SUCCEEDED; 16355 pkgList.add(pkg.packageName); 16356 // Post process args 16357 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 16358 pkg.applicationInfo.uid); 16359 } 16360 } else { 16361 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 16362 } 16363 } 16364 16365 } finally { 16366 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 16367 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 16368 } 16369 } 16370 } 16371 // writer 16372 synchronized (mPackages) { 16373 // If the platform SDK has changed since the last time we booted, 16374 // we need to re-grant app permission to catch any new ones that 16375 // appear. This is really a hack, and means that apps can in some 16376 // cases get permissions that the user didn't initially explicitly 16377 // allow... it would be nice to have some better way to handle 16378 // this situation. 16379 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 16380 : mSettings.getInternalVersion(); 16381 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 16382 : StorageManager.UUID_PRIVATE_INTERNAL; 16383 16384 int updateFlags = UPDATE_PERMISSIONS_ALL; 16385 if (ver.sdkVersion != mSdkVersion) { 16386 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16387 + mSdkVersion + "; regranting permissions for external"); 16388 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16389 } 16390 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 16391 16392 // Yay, everything is now upgraded 16393 ver.forceCurrent(); 16394 16395 // can downgrade to reader 16396 // Persist settings 16397 mSettings.writeLPr(); 16398 } 16399 // Send a broadcast to let everyone know we are done processing 16400 if (pkgList.size() > 0) { 16401 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 16402 } 16403 } 16404 16405 /* 16406 * Utility method to unload a list of specified containers 16407 */ 16408 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 16409 // Just unmount all valid containers. 16410 for (AsecInstallArgs arg : cidArgs) { 16411 synchronized (mInstallLock) { 16412 arg.doPostDeleteLI(false); 16413 } 16414 } 16415 } 16416 16417 /* 16418 * Unload packages mounted on external media. This involves deleting package 16419 * data from internal structures, sending broadcasts about diabled packages, 16420 * gc'ing to free up references, unmounting all secure containers 16421 * corresponding to packages on external media, and posting a 16422 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 16423 * that we always have to post this message if status has been requested no 16424 * matter what. 16425 */ 16426 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 16427 final boolean reportStatus) { 16428 if (DEBUG_SD_INSTALL) 16429 Log.i(TAG, "unloading media packages"); 16430 ArrayList<String> pkgList = new ArrayList<String>(); 16431 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 16432 final Set<AsecInstallArgs> keys = processCids.keySet(); 16433 for (AsecInstallArgs args : keys) { 16434 String pkgName = args.getPackageName(); 16435 if (DEBUG_SD_INSTALL) 16436 Log.i(TAG, "Trying to unload pkg : " + pkgName); 16437 // Delete package internally 16438 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16439 synchronized (mInstallLock) { 16440 boolean res = deletePackageLI(pkgName, null, false, null, null, 16441 PackageManager.DELETE_KEEP_DATA, outInfo, false); 16442 if (res) { 16443 pkgList.add(pkgName); 16444 } else { 16445 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 16446 failedList.add(args); 16447 } 16448 } 16449 } 16450 16451 // reader 16452 synchronized (mPackages) { 16453 // We didn't update the settings after removing each package; 16454 // write them now for all packages. 16455 mSettings.writeLPr(); 16456 } 16457 16458 // We have to absolutely send UPDATED_MEDIA_STATUS only 16459 // after confirming that all the receivers processed the ordered 16460 // broadcast when packages get disabled, force a gc to clean things up. 16461 // and unload all the containers. 16462 if (pkgList.size() > 0) { 16463 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 16464 new IIntentReceiver.Stub() { 16465 public void performReceive(Intent intent, int resultCode, String data, 16466 Bundle extras, boolean ordered, boolean sticky, 16467 int sendingUser) throws RemoteException { 16468 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 16469 reportStatus ? 1 : 0, 1, keys); 16470 mHandler.sendMessage(msg); 16471 } 16472 }); 16473 } else { 16474 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 16475 keys); 16476 mHandler.sendMessage(msg); 16477 } 16478 } 16479 16480 private void loadPrivatePackages(final VolumeInfo vol) { 16481 mHandler.post(new Runnable() { 16482 @Override 16483 public void run() { 16484 loadPrivatePackagesInner(vol); 16485 } 16486 }); 16487 } 16488 16489 private void loadPrivatePackagesInner(VolumeInfo vol) { 16490 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 16491 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 16492 16493 final VersionInfo ver; 16494 final List<PackageSetting> packages; 16495 synchronized (mPackages) { 16496 ver = mSettings.findOrCreateVersion(vol.fsUuid); 16497 packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16498 } 16499 16500 for (PackageSetting ps : packages) { 16501 synchronized (mInstallLock) { 16502 final PackageParser.Package pkg; 16503 try { 16504 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 16505 loaded.add(pkg.applicationInfo); 16506 } catch (PackageManagerException e) { 16507 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 16508 } 16509 16510 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 16511 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 16512 } 16513 } 16514 } 16515 16516 synchronized (mPackages) { 16517 int updateFlags = UPDATE_PERMISSIONS_ALL; 16518 if (ver.sdkVersion != mSdkVersion) { 16519 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16520 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 16521 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16522 } 16523 updatePermissionsLPw(null, null, vol.fsUuid, updateFlags); 16524 16525 // Yay, everything is now upgraded 16526 ver.forceCurrent(); 16527 16528 mSettings.writeLPr(); 16529 } 16530 16531 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 16532 sendResourcesChangedBroadcast(true, false, loaded, null); 16533 } 16534 16535 private void unloadPrivatePackages(final VolumeInfo vol) { 16536 mHandler.post(new Runnable() { 16537 @Override 16538 public void run() { 16539 unloadPrivatePackagesInner(vol); 16540 } 16541 }); 16542 } 16543 16544 private void unloadPrivatePackagesInner(VolumeInfo vol) { 16545 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 16546 synchronized (mInstallLock) { 16547 synchronized (mPackages) { 16548 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16549 for (PackageSetting ps : packages) { 16550 if (ps.pkg == null) continue; 16551 16552 final ApplicationInfo info = ps.pkg.applicationInfo; 16553 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16554 if (deletePackageLI(ps.name, null, false, null, null, 16555 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 16556 unloaded.add(info); 16557 } else { 16558 Slog.w(TAG, "Failed to unload " + ps.codePath); 16559 } 16560 } 16561 16562 mSettings.writeLPr(); 16563 } 16564 } 16565 16566 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 16567 sendResourcesChangedBroadcast(false, false, unloaded, null); 16568 } 16569 16570 /** 16571 * Examine all users present on given mounted volume, and destroy data 16572 * belonging to users that are no longer valid, or whose user ID has been 16573 * recycled. 16574 */ 16575 private void reconcileUsers(String volumeUuid) { 16576 final File[] files = FileUtils 16577 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 16578 for (File file : files) { 16579 if (!file.isDirectory()) continue; 16580 16581 final int userId; 16582 final UserInfo info; 16583 try { 16584 userId = Integer.parseInt(file.getName()); 16585 info = sUserManager.getUserInfo(userId); 16586 } catch (NumberFormatException e) { 16587 Slog.w(TAG, "Invalid user directory " + file); 16588 continue; 16589 } 16590 16591 boolean destroyUser = false; 16592 if (info == null) { 16593 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16594 + " because no matching user was found"); 16595 destroyUser = true; 16596 } else { 16597 try { 16598 UserManagerService.enforceSerialNumber(file, info.serialNumber); 16599 } catch (IOException e) { 16600 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16601 + " because we failed to enforce serial number: " + e); 16602 destroyUser = true; 16603 } 16604 } 16605 16606 if (destroyUser) { 16607 synchronized (mInstallLock) { 16608 mInstaller.removeUserDataDirs(volumeUuid, userId); 16609 } 16610 } 16611 } 16612 16613 final StorageManager sm = mContext.getSystemService(StorageManager.class); 16614 final UserManager um = mContext.getSystemService(UserManager.class); 16615 for (UserInfo user : um.getUsers()) { 16616 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 16617 if (userDir.exists()) continue; 16618 16619 try { 16620 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, user.isEphemeral()); 16621 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 16622 } catch (IOException e) { 16623 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 16624 } 16625 } 16626 } 16627 16628 /** 16629 * Examine all apps present on given mounted volume, and destroy apps that 16630 * aren't expected, either due to uninstallation or reinstallation on 16631 * another volume. 16632 */ 16633 private void reconcileApps(String volumeUuid) { 16634 final File[] files = FileUtils 16635 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 16636 for (File file : files) { 16637 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 16638 && !PackageInstallerService.isStageName(file.getName()); 16639 if (!isPackage) { 16640 // Ignore entries which are not packages 16641 continue; 16642 } 16643 16644 boolean destroyApp = false; 16645 String packageName = null; 16646 try { 16647 final PackageLite pkg = PackageParser.parsePackageLite(file, 16648 PackageParser.PARSE_MUST_BE_APK); 16649 packageName = pkg.packageName; 16650 16651 synchronized (mPackages) { 16652 final PackageSetting ps = mSettings.mPackages.get(packageName); 16653 if (ps == null) { 16654 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 16655 + volumeUuid + " because we found no install record"); 16656 destroyApp = true; 16657 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16658 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 16659 + volumeUuid + " because we expected it on " + ps.volumeUuid); 16660 destroyApp = true; 16661 } 16662 } 16663 16664 } catch (PackageParserException e) { 16665 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 16666 destroyApp = true; 16667 } 16668 16669 if (destroyApp) { 16670 synchronized (mInstallLock) { 16671 if (packageName != null) { 16672 removeDataDirsLI(volumeUuid, packageName); 16673 } 16674 if (file.isDirectory()) { 16675 mInstaller.rmPackageDir(file.getAbsolutePath()); 16676 } else { 16677 file.delete(); 16678 } 16679 } 16680 } 16681 } 16682 } 16683 16684 private void unfreezePackage(String packageName) { 16685 synchronized (mPackages) { 16686 final PackageSetting ps = mSettings.mPackages.get(packageName); 16687 if (ps != null) { 16688 ps.frozen = false; 16689 } 16690 } 16691 } 16692 16693 @Override 16694 public int movePackage(final String packageName, final String volumeUuid) { 16695 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16696 16697 final int moveId = mNextMoveId.getAndIncrement(); 16698 mHandler.post(new Runnable() { 16699 @Override 16700 public void run() { 16701 try { 16702 movePackageInternal(packageName, volumeUuid, moveId); 16703 } catch (PackageManagerException e) { 16704 Slog.w(TAG, "Failed to move " + packageName, e); 16705 mMoveCallbacks.notifyStatusChanged(moveId, 16706 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16707 } 16708 } 16709 }); 16710 return moveId; 16711 } 16712 16713 private void movePackageInternal(final String packageName, final String volumeUuid, 16714 final int moveId) throws PackageManagerException { 16715 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 16716 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16717 final PackageManager pm = mContext.getPackageManager(); 16718 16719 final boolean currentAsec; 16720 final String currentVolumeUuid; 16721 final File codeFile; 16722 final String installerPackageName; 16723 final String packageAbiOverride; 16724 final int appId; 16725 final String seinfo; 16726 final String label; 16727 16728 // reader 16729 synchronized (mPackages) { 16730 final PackageParser.Package pkg = mPackages.get(packageName); 16731 final PackageSetting ps = mSettings.mPackages.get(packageName); 16732 if (pkg == null || ps == null) { 16733 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 16734 } 16735 16736 if (pkg.applicationInfo.isSystemApp()) { 16737 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 16738 "Cannot move system application"); 16739 } 16740 16741 if (pkg.applicationInfo.isExternalAsec()) { 16742 currentAsec = true; 16743 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 16744 } else if (pkg.applicationInfo.isForwardLocked()) { 16745 currentAsec = true; 16746 currentVolumeUuid = "forward_locked"; 16747 } else { 16748 currentAsec = false; 16749 currentVolumeUuid = ps.volumeUuid; 16750 16751 final File probe = new File(pkg.codePath); 16752 final File probeOat = new File(probe, "oat"); 16753 if (!probe.isDirectory() || !probeOat.isDirectory()) { 16754 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16755 "Move only supported for modern cluster style installs"); 16756 } 16757 } 16758 16759 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 16760 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16761 "Package already moved to " + volumeUuid); 16762 } 16763 16764 if (ps.frozen) { 16765 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 16766 "Failed to move already frozen package"); 16767 } 16768 ps.frozen = true; 16769 16770 codeFile = new File(pkg.codePath); 16771 installerPackageName = ps.installerPackageName; 16772 packageAbiOverride = ps.cpuAbiOverrideString; 16773 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16774 seinfo = pkg.applicationInfo.seinfo; 16775 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 16776 } 16777 16778 // Now that we're guarded by frozen state, kill app during move 16779 final long token = Binder.clearCallingIdentity(); 16780 try { 16781 killApplication(packageName, appId, "move pkg"); 16782 } finally { 16783 Binder.restoreCallingIdentity(token); 16784 } 16785 16786 final Bundle extras = new Bundle(); 16787 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 16788 extras.putString(Intent.EXTRA_TITLE, label); 16789 mMoveCallbacks.notifyCreated(moveId, extras); 16790 16791 int installFlags; 16792 final boolean moveCompleteApp; 16793 final File measurePath; 16794 16795 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16796 installFlags = INSTALL_INTERNAL; 16797 moveCompleteApp = !currentAsec; 16798 measurePath = Environment.getDataAppDirectory(volumeUuid); 16799 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16800 installFlags = INSTALL_EXTERNAL; 16801 moveCompleteApp = false; 16802 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16803 } else { 16804 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16805 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16806 || !volume.isMountedWritable()) { 16807 unfreezePackage(packageName); 16808 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16809 "Move location not mounted private volume"); 16810 } 16811 16812 Preconditions.checkState(!currentAsec); 16813 16814 installFlags = INSTALL_INTERNAL; 16815 moveCompleteApp = true; 16816 measurePath = Environment.getDataAppDirectory(volumeUuid); 16817 } 16818 16819 final PackageStats stats = new PackageStats(null, -1); 16820 synchronized (mInstaller) { 16821 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16822 unfreezePackage(packageName); 16823 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16824 "Failed to measure package size"); 16825 } 16826 } 16827 16828 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16829 + stats.dataSize); 16830 16831 final long startFreeBytes = measurePath.getFreeSpace(); 16832 final long sizeBytes; 16833 if (moveCompleteApp) { 16834 sizeBytes = stats.codeSize + stats.dataSize; 16835 } else { 16836 sizeBytes = stats.codeSize; 16837 } 16838 16839 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16840 unfreezePackage(packageName); 16841 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16842 "Not enough free space to move"); 16843 } 16844 16845 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16846 16847 final CountDownLatch installedLatch = new CountDownLatch(1); 16848 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16849 @Override 16850 public void onUserActionRequired(Intent intent) throws RemoteException { 16851 throw new IllegalStateException(); 16852 } 16853 16854 @Override 16855 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16856 Bundle extras) throws RemoteException { 16857 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16858 + PackageManager.installStatusToString(returnCode, msg)); 16859 16860 installedLatch.countDown(); 16861 16862 // Regardless of success or failure of the move operation, 16863 // always unfreeze the package 16864 unfreezePackage(packageName); 16865 16866 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16867 switch (status) { 16868 case PackageInstaller.STATUS_SUCCESS: 16869 mMoveCallbacks.notifyStatusChanged(moveId, 16870 PackageManager.MOVE_SUCCEEDED); 16871 break; 16872 case PackageInstaller.STATUS_FAILURE_STORAGE: 16873 mMoveCallbacks.notifyStatusChanged(moveId, 16874 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16875 break; 16876 default: 16877 mMoveCallbacks.notifyStatusChanged(moveId, 16878 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16879 break; 16880 } 16881 } 16882 }; 16883 16884 final MoveInfo move; 16885 if (moveCompleteApp) { 16886 // Kick off a thread to report progress estimates 16887 new Thread() { 16888 @Override 16889 public void run() { 16890 while (true) { 16891 try { 16892 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16893 break; 16894 } 16895 } catch (InterruptedException ignored) { 16896 } 16897 16898 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16899 final int progress = 10 + (int) MathUtils.constrain( 16900 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16901 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16902 } 16903 } 16904 }.start(); 16905 16906 final String dataAppName = codeFile.getName(); 16907 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16908 dataAppName, appId, seinfo); 16909 } else { 16910 move = null; 16911 } 16912 16913 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16914 16915 final Message msg = mHandler.obtainMessage(INIT_COPY); 16916 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16917 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 16918 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16919 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 16920 msg.obj = params; 16921 16922 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 16923 System.identityHashCode(msg.obj)); 16924 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 16925 System.identityHashCode(msg.obj)); 16926 16927 mHandler.sendMessage(msg); 16928 } 16929 16930 @Override 16931 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16932 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16933 16934 final int realMoveId = mNextMoveId.getAndIncrement(); 16935 final Bundle extras = new Bundle(); 16936 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16937 mMoveCallbacks.notifyCreated(realMoveId, extras); 16938 16939 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16940 @Override 16941 public void onCreated(int moveId, Bundle extras) { 16942 // Ignored 16943 } 16944 16945 @Override 16946 public void onStatusChanged(int moveId, int status, long estMillis) { 16947 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16948 } 16949 }; 16950 16951 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16952 storage.setPrimaryStorageUuid(volumeUuid, callback); 16953 return realMoveId; 16954 } 16955 16956 @Override 16957 public int getMoveStatus(int moveId) { 16958 mContext.enforceCallingOrSelfPermission( 16959 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16960 return mMoveCallbacks.mLastStatus.get(moveId); 16961 } 16962 16963 @Override 16964 public void registerMoveCallback(IPackageMoveObserver callback) { 16965 mContext.enforceCallingOrSelfPermission( 16966 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16967 mMoveCallbacks.register(callback); 16968 } 16969 16970 @Override 16971 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16972 mContext.enforceCallingOrSelfPermission( 16973 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16974 mMoveCallbacks.unregister(callback); 16975 } 16976 16977 @Override 16978 public boolean setInstallLocation(int loc) { 16979 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16980 null); 16981 if (getInstallLocation() == loc) { 16982 return true; 16983 } 16984 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16985 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16986 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16987 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16988 return true; 16989 } 16990 return false; 16991 } 16992 16993 @Override 16994 public int getInstallLocation() { 16995 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16996 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16997 PackageHelper.APP_INSTALL_AUTO); 16998 } 16999 17000 /** Called by UserManagerService */ 17001 void cleanUpUser(UserManagerService userManager, int userHandle) { 17002 synchronized (mPackages) { 17003 mDirtyUsers.remove(userHandle); 17004 mUserNeedsBadging.delete(userHandle); 17005 mSettings.removeUserLPw(userHandle); 17006 mPendingBroadcasts.remove(userHandle); 17007 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 17008 } 17009 synchronized (mInstallLock) { 17010 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17011 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 17012 final String volumeUuid = vol.getFsUuid(); 17013 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 17014 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 17015 } 17016 synchronized (mPackages) { 17017 removeUnusedPackagesLILPw(userManager, userHandle); 17018 } 17019 } 17020 } 17021 17022 /** 17023 * We're removing userHandle and would like to remove any downloaded packages 17024 * that are no longer in use by any other user. 17025 * @param userHandle the user being removed 17026 */ 17027 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 17028 final boolean DEBUG_CLEAN_APKS = false; 17029 int [] users = userManager.getUserIds(); 17030 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 17031 while (psit.hasNext()) { 17032 PackageSetting ps = psit.next(); 17033 if (ps.pkg == null) { 17034 continue; 17035 } 17036 final String packageName = ps.pkg.packageName; 17037 // Skip over if system app 17038 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 17039 continue; 17040 } 17041 if (DEBUG_CLEAN_APKS) { 17042 Slog.i(TAG, "Checking package " + packageName); 17043 } 17044 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 17045 if (keep) { 17046 if (DEBUG_CLEAN_APKS) { 17047 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 17048 } 17049 } else { 17050 for (int i = 0; i < users.length; i++) { 17051 if (users[i] != userHandle && ps.getInstalled(users[i])) { 17052 keep = true; 17053 if (DEBUG_CLEAN_APKS) { 17054 Slog.i(TAG, " Keeping package " + packageName + " for user " 17055 + users[i]); 17056 } 17057 break; 17058 } 17059 } 17060 } 17061 if (!keep) { 17062 if (DEBUG_CLEAN_APKS) { 17063 Slog.i(TAG, " Removing package " + packageName); 17064 } 17065 mHandler.post(new Runnable() { 17066 public void run() { 17067 deletePackageX(packageName, userHandle, 0); 17068 } //end run 17069 }); 17070 } 17071 } 17072 } 17073 17074 /** Called by UserManagerService */ 17075 void createNewUser(int userHandle) { 17076 synchronized (mInstallLock) { 17077 mInstaller.createUserConfig(userHandle); 17078 mSettings.createNewUserLI(this, mInstaller, userHandle); 17079 } 17080 synchronized (mPackages) { 17081 applyFactoryDefaultBrowserLPw(userHandle); 17082 primeDomainVerificationsLPw(userHandle); 17083 } 17084 } 17085 17086 void newUserCreated(final int userHandle) { 17087 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 17088 // If permission review for legacy apps is required, we represent 17089 // dagerous permissions for such apps as always granted runtime 17090 // permissions to keep per user flag state whether review is needed. 17091 // Hence, if a new user is added we have to propagate dangerous 17092 // permission grants for these legacy apps. 17093 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 17094 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 17095 | UPDATE_PERMISSIONS_REPLACE_ALL); 17096 } 17097 } 17098 17099 @Override 17100 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 17101 mContext.enforceCallingOrSelfPermission( 17102 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 17103 "Only package verification agents can read the verifier device identity"); 17104 17105 synchronized (mPackages) { 17106 return mSettings.getVerifierDeviceIdentityLPw(); 17107 } 17108 } 17109 17110 @Override 17111 public void setPermissionEnforced(String permission, boolean enforced) { 17112 // TODO: Now that we no longer change GID for storage, this should to away. 17113 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 17114 "setPermissionEnforced"); 17115 if (READ_EXTERNAL_STORAGE.equals(permission)) { 17116 synchronized (mPackages) { 17117 if (mSettings.mReadExternalStorageEnforced == null 17118 || mSettings.mReadExternalStorageEnforced != enforced) { 17119 mSettings.mReadExternalStorageEnforced = enforced; 17120 mSettings.writeLPr(); 17121 } 17122 } 17123 // kill any non-foreground processes so we restart them and 17124 // grant/revoke the GID. 17125 final IActivityManager am = ActivityManagerNative.getDefault(); 17126 if (am != null) { 17127 final long token = Binder.clearCallingIdentity(); 17128 try { 17129 am.killProcessesBelowForeground("setPermissionEnforcement"); 17130 } catch (RemoteException e) { 17131 } finally { 17132 Binder.restoreCallingIdentity(token); 17133 } 17134 } 17135 } else { 17136 throw new IllegalArgumentException("No selective enforcement for " + permission); 17137 } 17138 } 17139 17140 @Override 17141 @Deprecated 17142 public boolean isPermissionEnforced(String permission) { 17143 return true; 17144 } 17145 17146 @Override 17147 public boolean isStorageLow() { 17148 final long token = Binder.clearCallingIdentity(); 17149 try { 17150 final DeviceStorageMonitorInternal 17151 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 17152 if (dsm != null) { 17153 return dsm.isMemoryLow(); 17154 } else { 17155 return false; 17156 } 17157 } finally { 17158 Binder.restoreCallingIdentity(token); 17159 } 17160 } 17161 17162 @Override 17163 public IPackageInstaller getPackageInstaller() { 17164 return mInstallerService; 17165 } 17166 17167 private boolean userNeedsBadging(int userId) { 17168 int index = mUserNeedsBadging.indexOfKey(userId); 17169 if (index < 0) { 17170 final UserInfo userInfo; 17171 final long token = Binder.clearCallingIdentity(); 17172 try { 17173 userInfo = sUserManager.getUserInfo(userId); 17174 } finally { 17175 Binder.restoreCallingIdentity(token); 17176 } 17177 final boolean b; 17178 if (userInfo != null && userInfo.isManagedProfile()) { 17179 b = true; 17180 } else { 17181 b = false; 17182 } 17183 mUserNeedsBadging.put(userId, b); 17184 return b; 17185 } 17186 return mUserNeedsBadging.valueAt(index); 17187 } 17188 17189 @Override 17190 public KeySet getKeySetByAlias(String packageName, String alias) { 17191 if (packageName == null || alias == null) { 17192 return null; 17193 } 17194 synchronized(mPackages) { 17195 final PackageParser.Package pkg = mPackages.get(packageName); 17196 if (pkg == null) { 17197 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 17198 throw new IllegalArgumentException("Unknown package: " + packageName); 17199 } 17200 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17201 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 17202 } 17203 } 17204 17205 @Override 17206 public KeySet getSigningKeySet(String packageName) { 17207 if (packageName == null) { 17208 return null; 17209 } 17210 synchronized(mPackages) { 17211 final PackageParser.Package pkg = mPackages.get(packageName); 17212 if (pkg == null) { 17213 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 17214 throw new IllegalArgumentException("Unknown package: " + packageName); 17215 } 17216 if (pkg.applicationInfo.uid != Binder.getCallingUid() 17217 && Process.SYSTEM_UID != Binder.getCallingUid()) { 17218 throw new SecurityException("May not access signing KeySet of other apps."); 17219 } 17220 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17221 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 17222 } 17223 } 17224 17225 @Override 17226 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 17227 if (packageName == null || ks == null) { 17228 return false; 17229 } 17230 synchronized(mPackages) { 17231 final PackageParser.Package pkg = mPackages.get(packageName); 17232 if (pkg == null) { 17233 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 17234 throw new IllegalArgumentException("Unknown package: " + packageName); 17235 } 17236 IBinder ksh = ks.getToken(); 17237 if (ksh instanceof KeySetHandle) { 17238 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17239 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 17240 } 17241 return false; 17242 } 17243 } 17244 17245 @Override 17246 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 17247 if (packageName == null || ks == null) { 17248 return false; 17249 } 17250 synchronized(mPackages) { 17251 final PackageParser.Package pkg = mPackages.get(packageName); 17252 if (pkg == null) { 17253 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 17254 throw new IllegalArgumentException("Unknown package: " + packageName); 17255 } 17256 IBinder ksh = ks.getToken(); 17257 if (ksh instanceof KeySetHandle) { 17258 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17259 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 17260 } 17261 return false; 17262 } 17263 } 17264 17265 private void deletePackageIfUnusedLPr(final String packageName) { 17266 PackageSetting ps = mSettings.mPackages.get(packageName); 17267 if (ps == null) { 17268 return; 17269 } 17270 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 17271 // TODO Implement atomic delete if package is unused 17272 // It is currently possible that the package will be deleted even if it is installed 17273 // after this method returns. 17274 mHandler.post(new Runnable() { 17275 public void run() { 17276 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 17277 } 17278 }); 17279 } 17280 } 17281 17282 /** 17283 * Check and throw if the given before/after packages would be considered a 17284 * downgrade. 17285 */ 17286 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 17287 throws PackageManagerException { 17288 if (after.versionCode < before.mVersionCode) { 17289 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17290 "Update version code " + after.versionCode + " is older than current " 17291 + before.mVersionCode); 17292 } else if (after.versionCode == before.mVersionCode) { 17293 if (after.baseRevisionCode < before.baseRevisionCode) { 17294 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17295 "Update base revision code " + after.baseRevisionCode 17296 + " is older than current " + before.baseRevisionCode); 17297 } 17298 17299 if (!ArrayUtils.isEmpty(after.splitNames)) { 17300 for (int i = 0; i < after.splitNames.length; i++) { 17301 final String splitName = after.splitNames[i]; 17302 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 17303 if (j != -1) { 17304 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 17305 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17306 "Update split " + splitName + " revision code " 17307 + after.splitRevisionCodes[i] + " is older than current " 17308 + before.splitRevisionCodes[j]); 17309 } 17310 } 17311 } 17312 } 17313 } 17314 } 17315 17316 private static class MoveCallbacks extends Handler { 17317 private static final int MSG_CREATED = 1; 17318 private static final int MSG_STATUS_CHANGED = 2; 17319 17320 private final RemoteCallbackList<IPackageMoveObserver> 17321 mCallbacks = new RemoteCallbackList<>(); 17322 17323 private final SparseIntArray mLastStatus = new SparseIntArray(); 17324 17325 public MoveCallbacks(Looper looper) { 17326 super(looper); 17327 } 17328 17329 public void register(IPackageMoveObserver callback) { 17330 mCallbacks.register(callback); 17331 } 17332 17333 public void unregister(IPackageMoveObserver callback) { 17334 mCallbacks.unregister(callback); 17335 } 17336 17337 @Override 17338 public void handleMessage(Message msg) { 17339 final SomeArgs args = (SomeArgs) msg.obj; 17340 final int n = mCallbacks.beginBroadcast(); 17341 for (int i = 0; i < n; i++) { 17342 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 17343 try { 17344 invokeCallback(callback, msg.what, args); 17345 } catch (RemoteException ignored) { 17346 } 17347 } 17348 mCallbacks.finishBroadcast(); 17349 args.recycle(); 17350 } 17351 17352 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 17353 throws RemoteException { 17354 switch (what) { 17355 case MSG_CREATED: { 17356 callback.onCreated(args.argi1, (Bundle) args.arg2); 17357 break; 17358 } 17359 case MSG_STATUS_CHANGED: { 17360 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 17361 break; 17362 } 17363 } 17364 } 17365 17366 private void notifyCreated(int moveId, Bundle extras) { 17367 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 17368 17369 final SomeArgs args = SomeArgs.obtain(); 17370 args.argi1 = moveId; 17371 args.arg2 = extras; 17372 obtainMessage(MSG_CREATED, args).sendToTarget(); 17373 } 17374 17375 private void notifyStatusChanged(int moveId, int status) { 17376 notifyStatusChanged(moveId, status, -1); 17377 } 17378 17379 private void notifyStatusChanged(int moveId, int status, long estMillis) { 17380 Slog.v(TAG, "Move " + moveId + " status " + status); 17381 17382 final SomeArgs args = SomeArgs.obtain(); 17383 args.argi1 = moveId; 17384 args.argi2 = status; 17385 args.arg3 = estMillis; 17386 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 17387 17388 synchronized (mLastStatus) { 17389 mLastStatus.put(moveId, status); 17390 } 17391 } 17392 } 17393 17394 private final static class OnPermissionChangeListeners extends Handler { 17395 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 17396 17397 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 17398 new RemoteCallbackList<>(); 17399 17400 public OnPermissionChangeListeners(Looper looper) { 17401 super(looper); 17402 } 17403 17404 @Override 17405 public void handleMessage(Message msg) { 17406 switch (msg.what) { 17407 case MSG_ON_PERMISSIONS_CHANGED: { 17408 final int uid = msg.arg1; 17409 handleOnPermissionsChanged(uid); 17410 } break; 17411 } 17412 } 17413 17414 public void addListenerLocked(IOnPermissionsChangeListener listener) { 17415 mPermissionListeners.register(listener); 17416 17417 } 17418 17419 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 17420 mPermissionListeners.unregister(listener); 17421 } 17422 17423 public void onPermissionsChanged(int uid) { 17424 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 17425 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 17426 } 17427 } 17428 17429 private void handleOnPermissionsChanged(int uid) { 17430 final int count = mPermissionListeners.beginBroadcast(); 17431 try { 17432 for (int i = 0; i < count; i++) { 17433 IOnPermissionsChangeListener callback = mPermissionListeners 17434 .getBroadcastItem(i); 17435 try { 17436 callback.onPermissionsChanged(uid); 17437 } catch (RemoteException e) { 17438 Log.e(TAG, "Permission listener is dead", e); 17439 } 17440 } 17441 } finally { 17442 mPermissionListeners.finishBroadcast(); 17443 } 17444 } 17445 } 17446 17447 private class PackageManagerInternalImpl extends PackageManagerInternal { 17448 @Override 17449 public void setLocationPackagesProvider(PackagesProvider provider) { 17450 synchronized (mPackages) { 17451 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 17452 } 17453 } 17454 17455 @Override 17456 public void setImePackagesProvider(PackagesProvider provider) { 17457 synchronized (mPackages) { 17458 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 17459 } 17460 } 17461 17462 @Override 17463 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 17464 synchronized (mPackages) { 17465 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 17466 } 17467 } 17468 17469 @Override 17470 public void setSmsAppPackagesProvider(PackagesProvider provider) { 17471 synchronized (mPackages) { 17472 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 17473 } 17474 } 17475 17476 @Override 17477 public void setDialerAppPackagesProvider(PackagesProvider provider) { 17478 synchronized (mPackages) { 17479 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 17480 } 17481 } 17482 17483 @Override 17484 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 17485 synchronized (mPackages) { 17486 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 17487 } 17488 } 17489 17490 @Override 17491 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 17492 synchronized (mPackages) { 17493 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 17494 } 17495 } 17496 17497 @Override 17498 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 17499 synchronized (mPackages) { 17500 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 17501 packageName, userId); 17502 } 17503 } 17504 17505 @Override 17506 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 17507 synchronized (mPackages) { 17508 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 17509 packageName, userId); 17510 } 17511 } 17512 17513 @Override 17514 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 17515 synchronized (mPackages) { 17516 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 17517 packageName, userId); 17518 } 17519 } 17520 17521 @Override 17522 public void setKeepUninstalledPackages(final List<String> packageList) { 17523 Preconditions.checkNotNull(packageList); 17524 List<String> removedFromList = null; 17525 synchronized (mPackages) { 17526 if (mKeepUninstalledPackages != null) { 17527 final int packagesCount = mKeepUninstalledPackages.size(); 17528 for (int i = 0; i < packagesCount; i++) { 17529 String oldPackage = mKeepUninstalledPackages.get(i); 17530 if (packageList != null && packageList.contains(oldPackage)) { 17531 continue; 17532 } 17533 if (removedFromList == null) { 17534 removedFromList = new ArrayList<>(); 17535 } 17536 removedFromList.add(oldPackage); 17537 } 17538 } 17539 mKeepUninstalledPackages = new ArrayList<>(packageList); 17540 if (removedFromList != null) { 17541 final int removedCount = removedFromList.size(); 17542 for (int i = 0; i < removedCount; i++) { 17543 deletePackageIfUnusedLPr(removedFromList.get(i)); 17544 } 17545 } 17546 } 17547 } 17548 17549 @Override 17550 public boolean isPermissionsReviewRequired(String packageName, int userId) { 17551 synchronized (mPackages) { 17552 // If we do not support permission review, done. 17553 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 17554 return false; 17555 } 17556 17557 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 17558 if (packageSetting == null) { 17559 return false; 17560 } 17561 17562 // Permission review applies only to apps not supporting the new permission model. 17563 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 17564 return false; 17565 } 17566 17567 // Legacy apps have the permission and get user consent on launch. 17568 PermissionsState permissionsState = packageSetting.getPermissionsState(); 17569 return permissionsState.isPermissionReviewRequired(userId); 17570 } 17571 } 17572 } 17573 17574 @Override 17575 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 17576 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 17577 synchronized (mPackages) { 17578 final long identity = Binder.clearCallingIdentity(); 17579 try { 17580 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 17581 packageNames, userId); 17582 } finally { 17583 Binder.restoreCallingIdentity(identity); 17584 } 17585 } 17586 } 17587 17588 private static void enforceSystemOrPhoneCaller(String tag) { 17589 int callingUid = Binder.getCallingUid(); 17590 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 17591 throw new SecurityException( 17592 "Cannot call " + tag + " from UID " + callingUid); 17593 } 17594 } 17595} 17596