PackageManagerService.java revision b4c298e39978e189dcc2ad059b4030a12655119c
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 34import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 35import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 36import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 37import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 39import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 40import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 44import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 45import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 46import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 47import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 49import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 63import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 64import static android.content.pm.PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 65import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 66import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 67import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 68import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 69import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 70import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 71import static android.content.pm.PackageManager.PERMISSION_DENIED; 72import static android.content.pm.PackageManager.PERMISSION_GRANTED; 73import static android.content.pm.PackageParser.isApkFile; 74import static android.os.Process.PACKAGE_INFO_GID; 75import static android.os.Process.SYSTEM_UID; 76import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 77import static android.system.OsConstants.O_CREAT; 78import static android.system.OsConstants.O_RDWR; 79 80import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 81import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 82import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 83import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 84import static com.android.internal.util.ArrayUtils.appendInt; 85import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 86import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 87import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 88import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 89import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 90import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 91import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 92import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 93import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 94 95import android.Manifest; 96import android.annotation.NonNull; 97import android.annotation.Nullable; 98import android.app.ActivityManager; 99import android.app.ActivityManagerNative; 100import android.app.AppGlobals; 101import android.app.IActivityManager; 102import android.app.admin.IDevicePolicyManager; 103import android.app.backup.IBackupManager; 104import android.content.BroadcastReceiver; 105import android.content.ComponentName; 106import android.content.Context; 107import android.content.IIntentReceiver; 108import android.content.Intent; 109import android.content.IntentFilter; 110import android.content.IntentSender; 111import android.content.IntentSender.SendIntentException; 112import android.content.ServiceConnection; 113import android.content.pm.ActivityInfo; 114import android.content.pm.ApplicationInfo; 115import android.content.pm.AppsQueryHelper; 116import android.content.pm.ComponentInfo; 117import android.content.pm.EphemeralApplicationInfo; 118import android.content.pm.EphemeralResolveInfo; 119import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 120import android.content.pm.FeatureInfo; 121import android.content.pm.IOnPermissionsChangeListener; 122import android.content.pm.IPackageDataObserver; 123import android.content.pm.IPackageDeleteObserver; 124import android.content.pm.IPackageDeleteObserver2; 125import android.content.pm.IPackageInstallObserver2; 126import android.content.pm.IPackageInstaller; 127import android.content.pm.IPackageManager; 128import android.content.pm.IPackageMoveObserver; 129import android.content.pm.IPackageStatsObserver; 130import android.content.pm.InstrumentationInfo; 131import android.content.pm.IntentFilterVerificationInfo; 132import android.content.pm.KeySet; 133import android.content.pm.PackageCleanItem; 134import android.content.pm.PackageInfo; 135import android.content.pm.PackageInfoLite; 136import android.content.pm.PackageInstaller; 137import android.content.pm.PackageManager; 138import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 139import android.content.pm.PackageManagerInternal; 140import android.content.pm.PackageParser; 141import android.content.pm.PackageParser.ActivityIntentInfo; 142import android.content.pm.PackageParser.PackageLite; 143import android.content.pm.PackageParser.PackageParserException; 144import android.content.pm.PackageStats; 145import android.content.pm.PackageUserState; 146import android.content.pm.ParceledListSlice; 147import android.content.pm.PermissionGroupInfo; 148import android.content.pm.PermissionInfo; 149import android.content.pm.ProviderInfo; 150import android.content.pm.ResolveInfo; 151import android.content.pm.ServiceInfo; 152import android.content.pm.Signature; 153import android.content.pm.UserInfo; 154import android.content.pm.VerificationParams; 155import android.content.pm.VerifierDeviceIdentity; 156import android.content.pm.VerifierInfo; 157import android.content.res.Resources; 158import android.graphics.Bitmap; 159import android.hardware.display.DisplayManager; 160import android.net.Uri; 161import android.os.Binder; 162import android.os.Build; 163import android.os.Bundle; 164import android.os.Debug; 165import android.os.Environment; 166import android.os.Environment.UserEnvironment; 167import android.os.FileUtils; 168import android.os.Handler; 169import android.os.IBinder; 170import android.os.Looper; 171import android.os.Message; 172import android.os.Parcel; 173import android.os.ParcelFileDescriptor; 174import android.os.Process; 175import android.os.RemoteCallbackList; 176import android.os.RemoteException; 177import android.os.ResultReceiver; 178import android.os.SELinux; 179import android.os.ServiceManager; 180import android.os.SystemClock; 181import android.os.SystemProperties; 182import android.os.Trace; 183import android.os.UserHandle; 184import android.os.UserManager; 185import android.os.storage.IMountService; 186import android.os.storage.MountServiceInternal; 187import android.os.storage.StorageEventListener; 188import android.os.storage.StorageManager; 189import android.os.storage.VolumeInfo; 190import android.os.storage.VolumeRecord; 191import android.security.KeyStore; 192import android.security.SystemKeyStore; 193import android.system.ErrnoException; 194import android.system.Os; 195import android.system.StructStat; 196import android.text.TextUtils; 197import android.text.format.DateUtils; 198import android.util.ArrayMap; 199import android.util.ArraySet; 200import android.util.AtomicFile; 201import android.util.DisplayMetrics; 202import android.util.EventLog; 203import android.util.ExceptionUtils; 204import android.util.Log; 205import android.util.LogPrinter; 206import android.util.MathUtils; 207import android.util.PrintStreamPrinter; 208import android.util.Slog; 209import android.util.SparseArray; 210import android.util.SparseBooleanArray; 211import android.util.SparseIntArray; 212import android.util.Xml; 213import android.view.Display; 214 215import com.android.internal.R; 216import com.android.internal.annotations.GuardedBy; 217import com.android.internal.app.IMediaContainerService; 218import com.android.internal.app.ResolverActivity; 219import com.android.internal.content.NativeLibraryHelper; 220import com.android.internal.content.PackageHelper; 221import com.android.internal.os.IParcelFileDescriptorFactory; 222import com.android.internal.os.InstallerConnection.InstallerException; 223import com.android.internal.os.SomeArgs; 224import com.android.internal.os.Zygote; 225import com.android.internal.util.ArrayUtils; 226import com.android.internal.util.FastPrintWriter; 227import com.android.internal.util.FastXmlSerializer; 228import com.android.internal.util.IndentingPrintWriter; 229import com.android.internal.util.Preconditions; 230import com.android.server.EventLogTags; 231import com.android.server.FgThread; 232import com.android.server.IntentResolver; 233import com.android.server.LocalServices; 234import com.android.server.ServiceThread; 235import com.android.server.SystemConfig; 236import com.android.server.Watchdog; 237import com.android.server.pm.PermissionsState.PermissionState; 238import com.android.server.pm.Settings.DatabaseVersion; 239import com.android.server.pm.Settings.VersionInfo; 240import com.android.server.storage.DeviceStorageMonitorInternal; 241 242import dalvik.system.DexFile; 243import dalvik.system.VMRuntime; 244 245import libcore.io.IoUtils; 246import libcore.util.EmptyArray; 247 248import org.xmlpull.v1.XmlPullParser; 249import org.xmlpull.v1.XmlPullParserException; 250import org.xmlpull.v1.XmlSerializer; 251 252import java.io.BufferedInputStream; 253import java.io.BufferedOutputStream; 254import java.io.BufferedReader; 255import java.io.ByteArrayInputStream; 256import java.io.ByteArrayOutputStream; 257import java.io.File; 258import java.io.FileDescriptor; 259import java.io.FileNotFoundException; 260import java.io.FileOutputStream; 261import java.io.FileReader; 262import java.io.FilenameFilter; 263import java.io.IOException; 264import java.io.InputStream; 265import java.io.PrintWriter; 266import java.nio.charset.StandardCharsets; 267import java.security.MessageDigest; 268import java.security.NoSuchAlgorithmException; 269import java.security.PublicKey; 270import java.security.cert.CertificateEncodingException; 271import java.security.cert.CertificateException; 272import java.text.SimpleDateFormat; 273import java.util.ArrayList; 274import java.util.Arrays; 275import java.util.Collection; 276import java.util.Collections; 277import java.util.Comparator; 278import java.util.Date; 279import java.util.Iterator; 280import java.util.List; 281import java.util.Map; 282import java.util.Objects; 283import java.util.Set; 284import java.util.concurrent.CountDownLatch; 285import java.util.concurrent.TimeUnit; 286import java.util.concurrent.atomic.AtomicBoolean; 287import java.util.concurrent.atomic.AtomicInteger; 288import java.util.concurrent.atomic.AtomicLong; 289 290/** 291 * Keep track of all those .apks everywhere. 292 * 293 * This is very central to the platform's security; please run the unit 294 * tests whenever making modifications here: 295 * 296runtest -c android.content.pm.PackageManagerTests frameworks-core 297 * 298 * {@hide} 299 */ 300public class PackageManagerService extends IPackageManager.Stub { 301 static final String TAG = "PackageManager"; 302 static final boolean DEBUG_SETTINGS = false; 303 static final boolean DEBUG_PREFERRED = false; 304 static final boolean DEBUG_UPGRADE = false; 305 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 306 private static final boolean DEBUG_BACKUP = false; 307 private static final boolean DEBUG_INSTALL = false; 308 private static final boolean DEBUG_REMOVE = false; 309 private static final boolean DEBUG_BROADCASTS = false; 310 private static final boolean DEBUG_SHOW_INFO = false; 311 private static final boolean DEBUG_PACKAGE_INFO = false; 312 private static final boolean DEBUG_INTENT_MATCHING = false; 313 private static final boolean DEBUG_PACKAGE_SCANNING = false; 314 private static final boolean DEBUG_VERIFY = false; 315 private static final boolean DEBUG_DEXOPT = false; 316 private static final boolean DEBUG_ABI_SELECTION = false; 317 private static final boolean DEBUG_EPHEMERAL = false; 318 private static final boolean DEBUG_TRIAGED_MISSING = false; 319 320 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 321 322 private static final boolean DISABLE_EPHEMERAL_APPS = true; 323 324 private static final int RADIO_UID = Process.PHONE_UID; 325 private static final int LOG_UID = Process.LOG_UID; 326 private static final int NFC_UID = Process.NFC_UID; 327 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 328 private static final int SHELL_UID = Process.SHELL_UID; 329 330 // Cap the size of permission trees that 3rd party apps can define 331 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 332 333 // Suffix used during package installation when copying/moving 334 // package apks to install directory. 335 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 336 337 static final int SCAN_NO_DEX = 1<<1; 338 static final int SCAN_FORCE_DEX = 1<<2; 339 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 340 static final int SCAN_NEW_INSTALL = 1<<4; 341 static final int SCAN_NO_PATHS = 1<<5; 342 static final int SCAN_UPDATE_TIME = 1<<6; 343 static final int SCAN_DEFER_DEX = 1<<7; 344 static final int SCAN_BOOTING = 1<<8; 345 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 346 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 347 static final int SCAN_REPLACING = 1<<11; 348 static final int SCAN_REQUIRE_KNOWN = 1<<12; 349 static final int SCAN_MOVE = 1<<13; 350 static final int SCAN_INITIAL = 1<<14; 351 352 static final int REMOVE_CHATTY = 1<<16; 353 354 private static final int[] EMPTY_INT_ARRAY = new int[0]; 355 356 /** 357 * Timeout (in milliseconds) after which the watchdog should declare that 358 * our handler thread is wedged. The usual default for such things is one 359 * minute but we sometimes do very lengthy I/O operations on this thread, 360 * such as installing multi-gigabyte applications, so ours needs to be longer. 361 */ 362 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 363 364 /** 365 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 366 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 367 * settings entry if available, otherwise we use the hardcoded default. If it's been 368 * more than this long since the last fstrim, we force one during the boot sequence. 369 * 370 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 371 * one gets run at the next available charging+idle time. This final mandatory 372 * no-fstrim check kicks in only of the other scheduling criteria is never met. 373 */ 374 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 375 376 /** 377 * Whether verification is enabled by default. 378 */ 379 private static final boolean DEFAULT_VERIFY_ENABLE = true; 380 381 /** 382 * The default maximum time to wait for the verification agent to return in 383 * milliseconds. 384 */ 385 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 386 387 /** 388 * The default response for package verification timeout. 389 * 390 * This can be either PackageManager.VERIFICATION_ALLOW or 391 * PackageManager.VERIFICATION_REJECT. 392 */ 393 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 394 395 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 396 397 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 398 DEFAULT_CONTAINER_PACKAGE, 399 "com.android.defcontainer.DefaultContainerService"); 400 401 private static final String KILL_APP_REASON_GIDS_CHANGED = 402 "permission grant or revoke changed gids"; 403 404 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 405 "permissions revoked"; 406 407 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 408 409 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 410 411 /** Permission grant: not grant the permission. */ 412 private static final int GRANT_DENIED = 1; 413 414 /** Permission grant: grant the permission as an install permission. */ 415 private static final int GRANT_INSTALL = 2; 416 417 /** Permission grant: grant the permission as a runtime one. */ 418 private static final int GRANT_RUNTIME = 3; 419 420 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 421 private static final int GRANT_UPGRADE = 4; 422 423 /** Canonical intent used to identify what counts as a "web browser" app */ 424 private static final Intent sBrowserIntent; 425 static { 426 sBrowserIntent = new Intent(); 427 sBrowserIntent.setAction(Intent.ACTION_VIEW); 428 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 429 sBrowserIntent.setData(Uri.parse("http:")); 430 } 431 432 final ServiceThread mHandlerThread; 433 434 final PackageHandler mHandler; 435 436 /** 437 * Messages for {@link #mHandler} that need to wait for system ready before 438 * being dispatched. 439 */ 440 private ArrayList<Message> mPostSystemReadyMessages; 441 442 final int mSdkVersion = Build.VERSION.SDK_INT; 443 444 final Context mContext; 445 final boolean mFactoryTest; 446 final boolean mOnlyCore; 447 final DisplayMetrics mMetrics; 448 final int mDefParseFlags; 449 final String[] mSeparateProcesses; 450 final boolean mIsUpgrade; 451 452 /** The location for ASEC container files on internal storage. */ 453 final String mAsecInternalPath; 454 455 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 456 // LOCK HELD. Can be called with mInstallLock held. 457 @GuardedBy("mInstallLock") 458 final Installer mInstaller; 459 460 /** Directory where installed third-party apps stored */ 461 final File mAppInstallDir; 462 final File mEphemeralInstallDir; 463 464 /** 465 * Directory to which applications installed internally have their 466 * 32 bit native libraries copied. 467 */ 468 private File mAppLib32InstallDir; 469 470 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 471 // apps. 472 final File mDrmAppPrivateInstallDir; 473 474 // ---------------------------------------------------------------- 475 476 // Lock for state used when installing and doing other long running 477 // operations. Methods that must be called with this lock held have 478 // the suffix "LI". 479 final Object mInstallLock = new Object(); 480 481 // ---------------------------------------------------------------- 482 483 // Keys are String (package name), values are Package. This also serves 484 // as the lock for the global state. Methods that must be called with 485 // this lock held have the prefix "LP". 486 @GuardedBy("mPackages") 487 final ArrayMap<String, PackageParser.Package> mPackages = 488 new ArrayMap<String, PackageParser.Package>(); 489 490 // Tracks available target package names -> overlay package paths. 491 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 492 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 493 494 /** 495 * Tracks new system packages [received in an OTA] that we expect to 496 * find updated user-installed versions. Keys are package name, values 497 * are package location. 498 */ 499 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 500 501 /** 502 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 503 */ 504 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 505 /** 506 * Whether or not system app permissions should be promoted from install to runtime. 507 */ 508 boolean mPromoteSystemApps; 509 510 final Settings mSettings; 511 boolean mRestoredSettings; 512 513 // System configuration read by SystemConfig. 514 final int[] mGlobalGids; 515 final SparseArray<ArraySet<String>> mSystemPermissions; 516 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 517 518 // If mac_permissions.xml was found for seinfo labeling. 519 boolean mFoundPolicyFile; 520 521 // If a recursive restorecon of /data/data/<pkg> is needed. 522 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 523 524 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 525 526 public static final class SharedLibraryEntry { 527 public final String path; 528 public final String apk; 529 530 SharedLibraryEntry(String _path, String _apk) { 531 path = _path; 532 apk = _apk; 533 } 534 } 535 536 // Currently known shared libraries. 537 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 538 new ArrayMap<String, SharedLibraryEntry>(); 539 540 // All available activities, for your resolving pleasure. 541 final ActivityIntentResolver mActivities = 542 new ActivityIntentResolver(); 543 544 // All available receivers, for your resolving pleasure. 545 final ActivityIntentResolver mReceivers = 546 new ActivityIntentResolver(); 547 548 // All available services, for your resolving pleasure. 549 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 550 551 // All available providers, for your resolving pleasure. 552 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 553 554 // Mapping from provider base names (first directory in content URI codePath) 555 // to the provider information. 556 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 557 new ArrayMap<String, PackageParser.Provider>(); 558 559 // Mapping from instrumentation class names to info about them. 560 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 561 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 562 563 // Mapping from permission names to info about them. 564 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 565 new ArrayMap<String, PackageParser.PermissionGroup>(); 566 567 // Packages whose data we have transfered into another package, thus 568 // should no longer exist. 569 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 570 571 // Broadcast actions that are only available to the system. 572 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 573 574 /** List of packages waiting for verification. */ 575 final SparseArray<PackageVerificationState> mPendingVerification 576 = new SparseArray<PackageVerificationState>(); 577 578 /** Set of packages associated with each app op permission. */ 579 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 580 581 final PackageInstallerService mInstallerService; 582 583 private final PackageDexOptimizer mPackageDexOptimizer; 584 585 private AtomicInteger mNextMoveId = new AtomicInteger(); 586 private final MoveCallbacks mMoveCallbacks; 587 588 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 589 590 // Cache of users who need badging. 591 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 592 593 /** Token for keys in mPendingVerification. */ 594 private int mPendingVerificationToken = 0; 595 596 volatile boolean mSystemReady; 597 volatile boolean mSafeMode; 598 volatile boolean mHasSystemUidErrors; 599 600 ApplicationInfo mAndroidApplication; 601 final ActivityInfo mResolveActivity = new ActivityInfo(); 602 final ResolveInfo mResolveInfo = new ResolveInfo(); 603 ComponentName mResolveComponentName; 604 PackageParser.Package mPlatformPackage; 605 ComponentName mCustomResolverComponentName; 606 607 boolean mResolverReplaced = false; 608 609 private final @Nullable ComponentName mIntentFilterVerifierComponent; 610 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 611 612 private int mIntentFilterVerificationToken = 0; 613 614 /** Component that knows whether or not an ephemeral application exists */ 615 final ComponentName mEphemeralResolverComponent; 616 /** The service connection to the ephemeral resolver */ 617 final EphemeralResolverConnection mEphemeralResolverConnection; 618 619 /** Component used to install ephemeral applications */ 620 final ComponentName mEphemeralInstallerComponent; 621 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 622 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 623 624 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 625 = new SparseArray<IntentFilterVerificationState>(); 626 627 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 628 new DefaultPermissionGrantPolicy(this); 629 630 // List of packages names to keep cached, even if they are uninstalled for all users 631 private List<String> mKeepUninstalledPackages; 632 633 private static class IFVerificationParams { 634 PackageParser.Package pkg; 635 boolean replacing; 636 int userId; 637 int verifierUid; 638 639 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 640 int _userId, int _verifierUid) { 641 pkg = _pkg; 642 replacing = _replacing; 643 userId = _userId; 644 replacing = _replacing; 645 verifierUid = _verifierUid; 646 } 647 } 648 649 private interface IntentFilterVerifier<T extends IntentFilter> { 650 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 651 T filter, String packageName); 652 void startVerifications(int userId); 653 void receiveVerificationResponse(int verificationId); 654 } 655 656 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 657 private Context mContext; 658 private ComponentName mIntentFilterVerifierComponent; 659 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 660 661 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 662 mContext = context; 663 mIntentFilterVerifierComponent = verifierComponent; 664 } 665 666 private String getDefaultScheme() { 667 return IntentFilter.SCHEME_HTTPS; 668 } 669 670 @Override 671 public void startVerifications(int userId) { 672 // Launch verifications requests 673 int count = mCurrentIntentFilterVerifications.size(); 674 for (int n=0; n<count; n++) { 675 int verificationId = mCurrentIntentFilterVerifications.get(n); 676 final IntentFilterVerificationState ivs = 677 mIntentFilterVerificationStates.get(verificationId); 678 679 String packageName = ivs.getPackageName(); 680 681 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 682 final int filterCount = filters.size(); 683 ArraySet<String> domainsSet = new ArraySet<>(); 684 for (int m=0; m<filterCount; m++) { 685 PackageParser.ActivityIntentInfo filter = filters.get(m); 686 domainsSet.addAll(filter.getHostsList()); 687 } 688 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 689 synchronized (mPackages) { 690 if (mSettings.createIntentFilterVerificationIfNeededLPw( 691 packageName, domainsList) != null) { 692 scheduleWriteSettingsLocked(); 693 } 694 } 695 sendVerificationRequest(userId, verificationId, ivs); 696 } 697 mCurrentIntentFilterVerifications.clear(); 698 } 699 700 private void sendVerificationRequest(int userId, int verificationId, 701 IntentFilterVerificationState ivs) { 702 703 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 704 verificationIntent.putExtra( 705 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 706 verificationId); 707 verificationIntent.putExtra( 708 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 709 getDefaultScheme()); 710 verificationIntent.putExtra( 711 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 712 ivs.getHostsString()); 713 verificationIntent.putExtra( 714 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 715 ivs.getPackageName()); 716 verificationIntent.setComponent(mIntentFilterVerifierComponent); 717 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 718 719 UserHandle user = new UserHandle(userId); 720 mContext.sendBroadcastAsUser(verificationIntent, user); 721 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 722 "Sending IntentFilter verification broadcast"); 723 } 724 725 public void receiveVerificationResponse(int verificationId) { 726 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 727 728 final boolean verified = ivs.isVerified(); 729 730 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 731 final int count = filters.size(); 732 if (DEBUG_DOMAIN_VERIFICATION) { 733 Slog.i(TAG, "Received verification response " + verificationId 734 + " for " + count + " filters, verified=" + verified); 735 } 736 for (int n=0; n<count; n++) { 737 PackageParser.ActivityIntentInfo filter = filters.get(n); 738 filter.setVerified(verified); 739 740 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 741 + " verified with result:" + verified + " and hosts:" 742 + ivs.getHostsString()); 743 } 744 745 mIntentFilterVerificationStates.remove(verificationId); 746 747 final String packageName = ivs.getPackageName(); 748 IntentFilterVerificationInfo ivi = null; 749 750 synchronized (mPackages) { 751 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 752 } 753 if (ivi == null) { 754 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 755 + verificationId + " packageName:" + packageName); 756 return; 757 } 758 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 759 "Updating IntentFilterVerificationInfo for package " + packageName 760 +" verificationId:" + verificationId); 761 762 synchronized (mPackages) { 763 if (verified) { 764 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 765 } else { 766 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 767 } 768 scheduleWriteSettingsLocked(); 769 770 final int userId = ivs.getUserId(); 771 if (userId != UserHandle.USER_ALL) { 772 final int userStatus = 773 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 774 775 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 776 boolean needUpdate = false; 777 778 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 779 // already been set by the User thru the Disambiguation dialog 780 switch (userStatus) { 781 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 782 if (verified) { 783 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 784 } else { 785 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 786 } 787 needUpdate = true; 788 break; 789 790 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 791 if (verified) { 792 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 793 needUpdate = true; 794 } 795 break; 796 797 default: 798 // Nothing to do 799 } 800 801 if (needUpdate) { 802 mSettings.updateIntentFilterVerificationStatusLPw( 803 packageName, updatedStatus, userId); 804 scheduleWritePackageRestrictionsLocked(userId); 805 } 806 } 807 } 808 } 809 810 @Override 811 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 812 ActivityIntentInfo filter, String packageName) { 813 if (!hasValidDomains(filter)) { 814 return false; 815 } 816 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 817 if (ivs == null) { 818 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 819 packageName); 820 } 821 if (DEBUG_DOMAIN_VERIFICATION) { 822 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 823 } 824 ivs.addFilter(filter); 825 return true; 826 } 827 828 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 829 int userId, int verificationId, String packageName) { 830 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 831 verifierUid, userId, packageName); 832 ivs.setPendingState(); 833 synchronized (mPackages) { 834 mIntentFilterVerificationStates.append(verificationId, ivs); 835 mCurrentIntentFilterVerifications.add(verificationId); 836 } 837 return ivs; 838 } 839 } 840 841 private static boolean hasValidDomains(ActivityIntentInfo filter) { 842 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 843 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 844 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 845 } 846 847 // Set of pending broadcasts for aggregating enable/disable of components. 848 static class PendingPackageBroadcasts { 849 // for each user id, a map of <package name -> components within that package> 850 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 851 852 public PendingPackageBroadcasts() { 853 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 854 } 855 856 public ArrayList<String> get(int userId, String packageName) { 857 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 858 return packages.get(packageName); 859 } 860 861 public void put(int userId, String packageName, ArrayList<String> components) { 862 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 863 packages.put(packageName, components); 864 } 865 866 public void remove(int userId, String packageName) { 867 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 868 if (packages != null) { 869 packages.remove(packageName); 870 } 871 } 872 873 public void remove(int userId) { 874 mUidMap.remove(userId); 875 } 876 877 public int userIdCount() { 878 return mUidMap.size(); 879 } 880 881 public int userIdAt(int n) { 882 return mUidMap.keyAt(n); 883 } 884 885 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 886 return mUidMap.get(userId); 887 } 888 889 public int size() { 890 // total number of pending broadcast entries across all userIds 891 int num = 0; 892 for (int i = 0; i< mUidMap.size(); i++) { 893 num += mUidMap.valueAt(i).size(); 894 } 895 return num; 896 } 897 898 public void clear() { 899 mUidMap.clear(); 900 } 901 902 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 903 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 904 if (map == null) { 905 map = new ArrayMap<String, ArrayList<String>>(); 906 mUidMap.put(userId, map); 907 } 908 return map; 909 } 910 } 911 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 912 913 // Service Connection to remote media container service to copy 914 // package uri's from external media onto secure containers 915 // or internal storage. 916 private IMediaContainerService mContainerService = null; 917 918 static final int SEND_PENDING_BROADCAST = 1; 919 static final int MCS_BOUND = 3; 920 static final int END_COPY = 4; 921 static final int INIT_COPY = 5; 922 static final int MCS_UNBIND = 6; 923 static final int START_CLEANING_PACKAGE = 7; 924 static final int FIND_INSTALL_LOC = 8; 925 static final int POST_INSTALL = 9; 926 static final int MCS_RECONNECT = 10; 927 static final int MCS_GIVE_UP = 11; 928 static final int UPDATED_MEDIA_STATUS = 12; 929 static final int WRITE_SETTINGS = 13; 930 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 931 static final int PACKAGE_VERIFIED = 15; 932 static final int CHECK_PENDING_VERIFICATION = 16; 933 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 934 static final int INTENT_FILTER_VERIFIED = 18; 935 936 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 937 938 // Delay time in millisecs 939 static final int BROADCAST_DELAY = 10 * 1000; 940 941 static UserManagerService sUserManager; 942 943 // Stores a list of users whose package restrictions file needs to be updated 944 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 945 946 final private DefaultContainerConnection mDefContainerConn = 947 new DefaultContainerConnection(); 948 class DefaultContainerConnection implements ServiceConnection { 949 public void onServiceConnected(ComponentName name, IBinder service) { 950 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 951 IMediaContainerService imcs = 952 IMediaContainerService.Stub.asInterface(service); 953 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 954 } 955 956 public void onServiceDisconnected(ComponentName name) { 957 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 958 } 959 } 960 961 // Recordkeeping of restore-after-install operations that are currently in flight 962 // between the Package Manager and the Backup Manager 963 static class PostInstallData { 964 public InstallArgs args; 965 public PackageInstalledInfo res; 966 967 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 968 args = _a; 969 res = _r; 970 } 971 } 972 973 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 974 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 975 976 // XML tags for backup/restore of various bits of state 977 private static final String TAG_PREFERRED_BACKUP = "pa"; 978 private static final String TAG_DEFAULT_APPS = "da"; 979 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 980 981 final @Nullable String mRequiredVerifierPackage; 982 final @Nullable String mRequiredInstallerPackage; 983 984 private final PackageUsage mPackageUsage = new PackageUsage(); 985 986 private class PackageUsage { 987 private static final int WRITE_INTERVAL 988 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 989 990 private final Object mFileLock = new Object(); 991 private final AtomicLong mLastWritten = new AtomicLong(0); 992 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 993 994 private boolean mIsHistoricalPackageUsageAvailable = true; 995 996 boolean isHistoricalPackageUsageAvailable() { 997 return mIsHistoricalPackageUsageAvailable; 998 } 999 1000 void write(boolean force) { 1001 if (force) { 1002 writeInternal(); 1003 return; 1004 } 1005 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1006 && !DEBUG_DEXOPT) { 1007 return; 1008 } 1009 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1010 new Thread("PackageUsage_DiskWriter") { 1011 @Override 1012 public void run() { 1013 try { 1014 writeInternal(); 1015 } finally { 1016 mBackgroundWriteRunning.set(false); 1017 } 1018 } 1019 }.start(); 1020 } 1021 } 1022 1023 private void writeInternal() { 1024 synchronized (mPackages) { 1025 synchronized (mFileLock) { 1026 AtomicFile file = getFile(); 1027 FileOutputStream f = null; 1028 try { 1029 f = file.startWrite(); 1030 BufferedOutputStream out = new BufferedOutputStream(f); 1031 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1032 StringBuilder sb = new StringBuilder(); 1033 for (PackageParser.Package pkg : mPackages.values()) { 1034 if (pkg.mLastPackageUsageTimeInMills == 0) { 1035 continue; 1036 } 1037 sb.setLength(0); 1038 sb.append(pkg.packageName); 1039 sb.append(' '); 1040 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1041 sb.append('\n'); 1042 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1043 } 1044 out.flush(); 1045 file.finishWrite(f); 1046 } catch (IOException e) { 1047 if (f != null) { 1048 file.failWrite(f); 1049 } 1050 Log.e(TAG, "Failed to write package usage times", e); 1051 } 1052 } 1053 } 1054 mLastWritten.set(SystemClock.elapsedRealtime()); 1055 } 1056 1057 void readLP() { 1058 synchronized (mFileLock) { 1059 AtomicFile file = getFile(); 1060 BufferedInputStream in = null; 1061 try { 1062 in = new BufferedInputStream(file.openRead()); 1063 StringBuffer sb = new StringBuffer(); 1064 while (true) { 1065 String packageName = readToken(in, sb, ' '); 1066 if (packageName == null) { 1067 break; 1068 } 1069 String timeInMillisString = readToken(in, sb, '\n'); 1070 if (timeInMillisString == null) { 1071 throw new IOException("Failed to find last usage time for package " 1072 + packageName); 1073 } 1074 PackageParser.Package pkg = mPackages.get(packageName); 1075 if (pkg == null) { 1076 continue; 1077 } 1078 long timeInMillis; 1079 try { 1080 timeInMillis = Long.parseLong(timeInMillisString); 1081 } catch (NumberFormatException e) { 1082 throw new IOException("Failed to parse " + timeInMillisString 1083 + " as a long.", e); 1084 } 1085 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1086 } 1087 } catch (FileNotFoundException expected) { 1088 mIsHistoricalPackageUsageAvailable = false; 1089 } catch (IOException e) { 1090 Log.w(TAG, "Failed to read package usage times", e); 1091 } finally { 1092 IoUtils.closeQuietly(in); 1093 } 1094 } 1095 mLastWritten.set(SystemClock.elapsedRealtime()); 1096 } 1097 1098 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1099 throws IOException { 1100 sb.setLength(0); 1101 while (true) { 1102 int ch = in.read(); 1103 if (ch == -1) { 1104 if (sb.length() == 0) { 1105 return null; 1106 } 1107 throw new IOException("Unexpected EOF"); 1108 } 1109 if (ch == endOfToken) { 1110 return sb.toString(); 1111 } 1112 sb.append((char)ch); 1113 } 1114 } 1115 1116 private AtomicFile getFile() { 1117 File dataDir = Environment.getDataDirectory(); 1118 File systemDir = new File(dataDir, "system"); 1119 File fname = new File(systemDir, "package-usage.list"); 1120 return new AtomicFile(fname); 1121 } 1122 } 1123 1124 class PackageHandler extends Handler { 1125 private boolean mBound = false; 1126 final ArrayList<HandlerParams> mPendingInstalls = 1127 new ArrayList<HandlerParams>(); 1128 1129 private boolean connectToService() { 1130 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1131 " DefaultContainerService"); 1132 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1133 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1134 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1135 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1136 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1137 mBound = true; 1138 return true; 1139 } 1140 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1141 return false; 1142 } 1143 1144 private void disconnectService() { 1145 mContainerService = null; 1146 mBound = false; 1147 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1148 mContext.unbindService(mDefContainerConn); 1149 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1150 } 1151 1152 PackageHandler(Looper looper) { 1153 super(looper); 1154 } 1155 1156 public void handleMessage(Message msg) { 1157 try { 1158 doHandleMessage(msg); 1159 } finally { 1160 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1161 } 1162 } 1163 1164 void doHandleMessage(Message msg) { 1165 switch (msg.what) { 1166 case INIT_COPY: { 1167 HandlerParams params = (HandlerParams) msg.obj; 1168 int idx = mPendingInstalls.size(); 1169 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1170 // If a bind was already initiated we dont really 1171 // need to do anything. The pending install 1172 // will be processed later on. 1173 if (!mBound) { 1174 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1175 System.identityHashCode(mHandler)); 1176 // If this is the only one pending we might 1177 // have to bind to the service again. 1178 if (!connectToService()) { 1179 Slog.e(TAG, "Failed to bind to media container service"); 1180 params.serviceError(); 1181 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1182 System.identityHashCode(mHandler)); 1183 if (params.traceMethod != null) { 1184 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1185 params.traceCookie); 1186 } 1187 return; 1188 } else { 1189 // Once we bind to the service, the first 1190 // pending request will be processed. 1191 mPendingInstalls.add(idx, params); 1192 } 1193 } else { 1194 mPendingInstalls.add(idx, params); 1195 // Already bound to the service. Just make 1196 // sure we trigger off processing the first request. 1197 if (idx == 0) { 1198 mHandler.sendEmptyMessage(MCS_BOUND); 1199 } 1200 } 1201 break; 1202 } 1203 case MCS_BOUND: { 1204 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1205 if (msg.obj != null) { 1206 mContainerService = (IMediaContainerService) msg.obj; 1207 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1208 System.identityHashCode(mHandler)); 1209 } 1210 if (mContainerService == null) { 1211 if (!mBound) { 1212 // Something seriously wrong since we are not bound and we are not 1213 // waiting for connection. Bail out. 1214 Slog.e(TAG, "Cannot bind to media container service"); 1215 for (HandlerParams params : mPendingInstalls) { 1216 // Indicate service bind error 1217 params.serviceError(); 1218 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1219 System.identityHashCode(params)); 1220 if (params.traceMethod != null) { 1221 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1222 params.traceMethod, params.traceCookie); 1223 } 1224 return; 1225 } 1226 mPendingInstalls.clear(); 1227 } else { 1228 Slog.w(TAG, "Waiting to connect to media container service"); 1229 } 1230 } else if (mPendingInstalls.size() > 0) { 1231 HandlerParams params = mPendingInstalls.get(0); 1232 if (params != null) { 1233 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1234 System.identityHashCode(params)); 1235 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1236 if (params.startCopy()) { 1237 // We are done... look for more work or to 1238 // go idle. 1239 if (DEBUG_SD_INSTALL) Log.i(TAG, 1240 "Checking for more work or unbind..."); 1241 // Delete pending install 1242 if (mPendingInstalls.size() > 0) { 1243 mPendingInstalls.remove(0); 1244 } 1245 if (mPendingInstalls.size() == 0) { 1246 if (mBound) { 1247 if (DEBUG_SD_INSTALL) Log.i(TAG, 1248 "Posting delayed MCS_UNBIND"); 1249 removeMessages(MCS_UNBIND); 1250 Message ubmsg = obtainMessage(MCS_UNBIND); 1251 // Unbind after a little delay, to avoid 1252 // continual thrashing. 1253 sendMessageDelayed(ubmsg, 10000); 1254 } 1255 } else { 1256 // There are more pending requests in queue. 1257 // Just post MCS_BOUND message to trigger processing 1258 // of next pending install. 1259 if (DEBUG_SD_INSTALL) Log.i(TAG, 1260 "Posting MCS_BOUND for next work"); 1261 mHandler.sendEmptyMessage(MCS_BOUND); 1262 } 1263 } 1264 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1265 } 1266 } else { 1267 // Should never happen ideally. 1268 Slog.w(TAG, "Empty queue"); 1269 } 1270 break; 1271 } 1272 case MCS_RECONNECT: { 1273 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1274 if (mPendingInstalls.size() > 0) { 1275 if (mBound) { 1276 disconnectService(); 1277 } 1278 if (!connectToService()) { 1279 Slog.e(TAG, "Failed to bind to media container service"); 1280 for (HandlerParams params : mPendingInstalls) { 1281 // Indicate service bind error 1282 params.serviceError(); 1283 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1284 System.identityHashCode(params)); 1285 } 1286 mPendingInstalls.clear(); 1287 } 1288 } 1289 break; 1290 } 1291 case MCS_UNBIND: { 1292 // If there is no actual work left, then time to unbind. 1293 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1294 1295 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1296 if (mBound) { 1297 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1298 1299 disconnectService(); 1300 } 1301 } else if (mPendingInstalls.size() > 0) { 1302 // There are more pending requests in queue. 1303 // Just post MCS_BOUND message to trigger processing 1304 // of next pending install. 1305 mHandler.sendEmptyMessage(MCS_BOUND); 1306 } 1307 1308 break; 1309 } 1310 case MCS_GIVE_UP: { 1311 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1312 HandlerParams params = mPendingInstalls.remove(0); 1313 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1314 System.identityHashCode(params)); 1315 break; 1316 } 1317 case SEND_PENDING_BROADCAST: { 1318 String packages[]; 1319 ArrayList<String> components[]; 1320 int size = 0; 1321 int uids[]; 1322 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1323 synchronized (mPackages) { 1324 if (mPendingBroadcasts == null) { 1325 return; 1326 } 1327 size = mPendingBroadcasts.size(); 1328 if (size <= 0) { 1329 // Nothing to be done. Just return 1330 return; 1331 } 1332 packages = new String[size]; 1333 components = new ArrayList[size]; 1334 uids = new int[size]; 1335 int i = 0; // filling out the above arrays 1336 1337 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1338 int packageUserId = mPendingBroadcasts.userIdAt(n); 1339 Iterator<Map.Entry<String, ArrayList<String>>> it 1340 = mPendingBroadcasts.packagesForUserId(packageUserId) 1341 .entrySet().iterator(); 1342 while (it.hasNext() && i < size) { 1343 Map.Entry<String, ArrayList<String>> ent = it.next(); 1344 packages[i] = ent.getKey(); 1345 components[i] = ent.getValue(); 1346 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1347 uids[i] = (ps != null) 1348 ? UserHandle.getUid(packageUserId, ps.appId) 1349 : -1; 1350 i++; 1351 } 1352 } 1353 size = i; 1354 mPendingBroadcasts.clear(); 1355 } 1356 // Send broadcasts 1357 for (int i = 0; i < size; i++) { 1358 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1359 } 1360 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1361 break; 1362 } 1363 case START_CLEANING_PACKAGE: { 1364 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1365 final String packageName = (String)msg.obj; 1366 final int userId = msg.arg1; 1367 final boolean andCode = msg.arg2 != 0; 1368 synchronized (mPackages) { 1369 if (userId == UserHandle.USER_ALL) { 1370 int[] users = sUserManager.getUserIds(); 1371 for (int user : users) { 1372 mSettings.addPackageToCleanLPw( 1373 new PackageCleanItem(user, packageName, andCode)); 1374 } 1375 } else { 1376 mSettings.addPackageToCleanLPw( 1377 new PackageCleanItem(userId, packageName, andCode)); 1378 } 1379 } 1380 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1381 startCleaningPackages(); 1382 } break; 1383 case POST_INSTALL: { 1384 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1385 1386 PostInstallData data = mRunningInstalls.get(msg.arg1); 1387 mRunningInstalls.delete(msg.arg1); 1388 boolean deleteOld = false; 1389 1390 if (data != null) { 1391 InstallArgs args = data.args; 1392 PackageInstalledInfo res = data.res; 1393 1394 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1395 final String packageName = res.pkg.applicationInfo.packageName; 1396 res.removedInfo.sendBroadcast(false, true, false); 1397 Bundle extras = new Bundle(1); 1398 extras.putInt(Intent.EXTRA_UID, res.uid); 1399 1400 // Now that we successfully installed the package, grant runtime 1401 // permissions if requested before broadcasting the install. 1402 if ((args.installFlags 1403 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 1404 && res.pkg.applicationInfo.targetSdkVersion 1405 >= Build.VERSION_CODES.M) { 1406 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1407 args.installGrantPermissions); 1408 } 1409 1410 synchronized (mPackages) { 1411 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1412 } 1413 1414 // Determine the set of users who are adding this 1415 // package for the first time vs. those who are seeing 1416 // an update. 1417 int[] firstUsers; 1418 int[] updateUsers = new int[0]; 1419 if (res.origUsers == null || res.origUsers.length == 0) { 1420 firstUsers = res.newUsers; 1421 } else { 1422 firstUsers = new int[0]; 1423 for (int i=0; i<res.newUsers.length; i++) { 1424 int user = res.newUsers[i]; 1425 boolean isNew = true; 1426 for (int j=0; j<res.origUsers.length; j++) { 1427 if (res.origUsers[j] == user) { 1428 isNew = false; 1429 break; 1430 } 1431 } 1432 if (isNew) { 1433 int[] newFirst = new int[firstUsers.length+1]; 1434 System.arraycopy(firstUsers, 0, newFirst, 0, 1435 firstUsers.length); 1436 newFirst[firstUsers.length] = user; 1437 firstUsers = newFirst; 1438 } else { 1439 int[] newUpdate = new int[updateUsers.length+1]; 1440 System.arraycopy(updateUsers, 0, newUpdate, 0, 1441 updateUsers.length); 1442 newUpdate[updateUsers.length] = user; 1443 updateUsers = newUpdate; 1444 } 1445 } 1446 } 1447 // don't broadcast for ephemeral installs/updates 1448 final boolean isEphemeral = isEphemeral(res.pkg); 1449 if (!isEphemeral) { 1450 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1451 extras, 0 /*flags*/, null /*targetPackage*/, 1452 null /*finishedReceiver*/, firstUsers); 1453 } 1454 final boolean update = res.removedInfo.removedPackage != null; 1455 if (update) { 1456 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1457 } 1458 if (!isEphemeral) { 1459 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1460 extras, 0 /*flags*/, null /*targetPackage*/, 1461 null /*finishedReceiver*/, updateUsers); 1462 } 1463 if (update) { 1464 if (!isEphemeral) { 1465 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1466 packageName, extras, 0 /*flags*/, 1467 null /*targetPackage*/, null /*finishedReceiver*/, 1468 updateUsers); 1469 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1470 null /*package*/, null /*extras*/, 0 /*flags*/, 1471 packageName /*targetPackage*/, 1472 null /*finishedReceiver*/, updateUsers); 1473 } 1474 1475 // treat asec-hosted packages like removable media on upgrade 1476 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1477 if (DEBUG_INSTALL) { 1478 Slog.i(TAG, "upgrading pkg " + res.pkg 1479 + " is ASEC-hosted -> AVAILABLE"); 1480 } 1481 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1482 ArrayList<String> pkgList = new ArrayList<String>(1); 1483 pkgList.add(packageName); 1484 sendResourcesChangedBroadcast(true, true, 1485 pkgList,uidArray, null); 1486 } 1487 } 1488 if (res.removedInfo.args != null) { 1489 // Remove the replaced package's older resources safely now 1490 deleteOld = true; 1491 } 1492 1493 // If this app is a browser and it's newly-installed for some 1494 // users, clear any default-browser state in those users 1495 if (firstUsers.length > 0) { 1496 // the app's nature doesn't depend on the user, so we can just 1497 // check its browser nature in any user and generalize. 1498 if (packageIsBrowser(packageName, firstUsers[0])) { 1499 synchronized (mPackages) { 1500 for (int userId : firstUsers) { 1501 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1502 } 1503 } 1504 } 1505 } 1506 // Log current value of "unknown sources" setting 1507 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1508 getUnknownSourcesSettings()); 1509 } 1510 // Force a gc to clear up things 1511 Runtime.getRuntime().gc(); 1512 // We delete after a gc for applications on sdcard. 1513 if (deleteOld) { 1514 synchronized (mInstallLock) { 1515 res.removedInfo.args.doPostDeleteLI(true); 1516 } 1517 } 1518 if (args.observer != null) { 1519 try { 1520 Bundle extras = extrasForInstallResult(res); 1521 args.observer.onPackageInstalled(res.name, res.returnCode, 1522 res.returnMsg, extras); 1523 } catch (RemoteException e) { 1524 Slog.i(TAG, "Observer no longer exists."); 1525 } 1526 } 1527 if (args.traceMethod != null) { 1528 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1529 args.traceCookie); 1530 } 1531 return; 1532 } else { 1533 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1534 } 1535 1536 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1537 } break; 1538 case UPDATED_MEDIA_STATUS: { 1539 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1540 boolean reportStatus = msg.arg1 == 1; 1541 boolean doGc = msg.arg2 == 1; 1542 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1543 if (doGc) { 1544 // Force a gc to clear up stale containers. 1545 Runtime.getRuntime().gc(); 1546 } 1547 if (msg.obj != null) { 1548 @SuppressWarnings("unchecked") 1549 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1550 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1551 // Unload containers 1552 unloadAllContainers(args); 1553 } 1554 if (reportStatus) { 1555 try { 1556 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1557 PackageHelper.getMountService().finishMediaUpdate(); 1558 } catch (RemoteException e) { 1559 Log.e(TAG, "MountService not running?"); 1560 } 1561 } 1562 } break; 1563 case WRITE_SETTINGS: { 1564 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1565 synchronized (mPackages) { 1566 removeMessages(WRITE_SETTINGS); 1567 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1568 mSettings.writeLPr(); 1569 mDirtyUsers.clear(); 1570 } 1571 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1572 } break; 1573 case WRITE_PACKAGE_RESTRICTIONS: { 1574 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1575 synchronized (mPackages) { 1576 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1577 for (int userId : mDirtyUsers) { 1578 mSettings.writePackageRestrictionsLPr(userId); 1579 } 1580 mDirtyUsers.clear(); 1581 } 1582 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1583 } break; 1584 case CHECK_PENDING_VERIFICATION: { 1585 final int verificationId = msg.arg1; 1586 final PackageVerificationState state = mPendingVerification.get(verificationId); 1587 1588 if ((state != null) && !state.timeoutExtended()) { 1589 final InstallArgs args = state.getInstallArgs(); 1590 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1591 1592 Slog.i(TAG, "Verification timed out for " + originUri); 1593 mPendingVerification.remove(verificationId); 1594 1595 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1596 1597 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1598 Slog.i(TAG, "Continuing with installation of " + originUri); 1599 state.setVerifierResponse(Binder.getCallingUid(), 1600 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1601 broadcastPackageVerified(verificationId, originUri, 1602 PackageManager.VERIFICATION_ALLOW, 1603 state.getInstallArgs().getUser()); 1604 try { 1605 ret = args.copyApk(mContainerService, true); 1606 } catch (RemoteException e) { 1607 Slog.e(TAG, "Could not contact the ContainerService"); 1608 } 1609 } else { 1610 broadcastPackageVerified(verificationId, originUri, 1611 PackageManager.VERIFICATION_REJECT, 1612 state.getInstallArgs().getUser()); 1613 } 1614 1615 Trace.asyncTraceEnd( 1616 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1617 1618 processPendingInstall(args, ret); 1619 mHandler.sendEmptyMessage(MCS_UNBIND); 1620 } 1621 break; 1622 } 1623 case PACKAGE_VERIFIED: { 1624 final int verificationId = msg.arg1; 1625 1626 final PackageVerificationState state = mPendingVerification.get(verificationId); 1627 if (state == null) { 1628 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1629 break; 1630 } 1631 1632 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1633 1634 state.setVerifierResponse(response.callerUid, response.code); 1635 1636 if (state.isVerificationComplete()) { 1637 mPendingVerification.remove(verificationId); 1638 1639 final InstallArgs args = state.getInstallArgs(); 1640 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1641 1642 int ret; 1643 if (state.isInstallAllowed()) { 1644 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1645 broadcastPackageVerified(verificationId, originUri, 1646 response.code, state.getInstallArgs().getUser()); 1647 try { 1648 ret = args.copyApk(mContainerService, true); 1649 } catch (RemoteException e) { 1650 Slog.e(TAG, "Could not contact the ContainerService"); 1651 } 1652 } else { 1653 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1654 } 1655 1656 Trace.asyncTraceEnd( 1657 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1658 1659 processPendingInstall(args, ret); 1660 mHandler.sendEmptyMessage(MCS_UNBIND); 1661 } 1662 1663 break; 1664 } 1665 case START_INTENT_FILTER_VERIFICATIONS: { 1666 IFVerificationParams params = (IFVerificationParams) msg.obj; 1667 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1668 params.replacing, params.pkg); 1669 break; 1670 } 1671 case INTENT_FILTER_VERIFIED: { 1672 final int verificationId = msg.arg1; 1673 1674 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1675 verificationId); 1676 if (state == null) { 1677 Slog.w(TAG, "Invalid IntentFilter verification token " 1678 + verificationId + " received"); 1679 break; 1680 } 1681 1682 final int userId = state.getUserId(); 1683 1684 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1685 "Processing IntentFilter verification with token:" 1686 + verificationId + " and userId:" + userId); 1687 1688 final IntentFilterVerificationResponse response = 1689 (IntentFilterVerificationResponse) msg.obj; 1690 1691 state.setVerifierResponse(response.callerUid, response.code); 1692 1693 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1694 "IntentFilter verification with token:" + verificationId 1695 + " and userId:" + userId 1696 + " is settings verifier response with response code:" 1697 + response.code); 1698 1699 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1700 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1701 + response.getFailedDomainsString()); 1702 } 1703 1704 if (state.isVerificationComplete()) { 1705 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1706 } else { 1707 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1708 "IntentFilter verification with token:" + verificationId 1709 + " was not said to be complete"); 1710 } 1711 1712 break; 1713 } 1714 } 1715 } 1716 } 1717 1718 private StorageEventListener mStorageListener = new StorageEventListener() { 1719 @Override 1720 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1721 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1722 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1723 final String volumeUuid = vol.getFsUuid(); 1724 1725 // Clean up any users or apps that were removed or recreated 1726 // while this volume was missing 1727 reconcileUsers(volumeUuid); 1728 reconcileApps(volumeUuid); 1729 1730 // Clean up any install sessions that expired or were 1731 // cancelled while this volume was missing 1732 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1733 1734 loadPrivatePackages(vol); 1735 1736 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1737 unloadPrivatePackages(vol); 1738 } 1739 } 1740 1741 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1742 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1743 updateExternalMediaStatus(true, false); 1744 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1745 updateExternalMediaStatus(false, false); 1746 } 1747 } 1748 } 1749 1750 @Override 1751 public void onVolumeForgotten(String fsUuid) { 1752 if (TextUtils.isEmpty(fsUuid)) { 1753 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1754 return; 1755 } 1756 1757 // Remove any apps installed on the forgotten volume 1758 synchronized (mPackages) { 1759 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1760 for (PackageSetting ps : packages) { 1761 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1762 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1763 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1764 } 1765 1766 mSettings.onVolumeForgotten(fsUuid); 1767 mSettings.writeLPr(); 1768 } 1769 } 1770 }; 1771 1772 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1773 String[] grantedPermissions) { 1774 if (userId >= UserHandle.USER_SYSTEM) { 1775 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1776 } else if (userId == UserHandle.USER_ALL) { 1777 final int[] userIds; 1778 synchronized (mPackages) { 1779 userIds = UserManagerService.getInstance().getUserIds(); 1780 } 1781 for (int someUserId : userIds) { 1782 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1783 } 1784 } 1785 1786 // We could have touched GID membership, so flush out packages.list 1787 synchronized (mPackages) { 1788 mSettings.writePackageListLPr(); 1789 } 1790 } 1791 1792 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1793 String[] grantedPermissions) { 1794 SettingBase sb = (SettingBase) pkg.mExtras; 1795 if (sb == null) { 1796 return; 1797 } 1798 1799 PermissionsState permissionsState = sb.getPermissionsState(); 1800 1801 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1802 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1803 1804 synchronized (mPackages) { 1805 for (String permission : pkg.requestedPermissions) { 1806 BasePermission bp = mSettings.mPermissions.get(permission); 1807 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1808 && (grantedPermissions == null 1809 || ArrayUtils.contains(grantedPermissions, permission))) { 1810 final int flags = permissionsState.getPermissionFlags(permission, userId); 1811 // Installer cannot change immutable permissions. 1812 if ((flags & immutableFlags) == 0) { 1813 grantRuntimePermission(pkg.packageName, permission, userId); 1814 } 1815 } 1816 } 1817 } 1818 } 1819 1820 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1821 Bundle extras = null; 1822 switch (res.returnCode) { 1823 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1824 extras = new Bundle(); 1825 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1826 res.origPermission); 1827 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1828 res.origPackage); 1829 break; 1830 } 1831 case PackageManager.INSTALL_SUCCEEDED: { 1832 extras = new Bundle(); 1833 extras.putBoolean(Intent.EXTRA_REPLACING, 1834 res.removedInfo != null && res.removedInfo.removedPackage != null); 1835 break; 1836 } 1837 } 1838 return extras; 1839 } 1840 1841 void scheduleWriteSettingsLocked() { 1842 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1843 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1844 } 1845 } 1846 1847 void scheduleWritePackageRestrictionsLocked(int userId) { 1848 if (!sUserManager.exists(userId)) return; 1849 mDirtyUsers.add(userId); 1850 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1851 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1852 } 1853 } 1854 1855 public static PackageManagerService main(Context context, Installer installer, 1856 boolean factoryTest, boolean onlyCore) { 1857 PackageManagerService m = new PackageManagerService(context, installer, 1858 factoryTest, onlyCore); 1859 m.enableSystemUserPackages(); 1860 ServiceManager.addService("package", m); 1861 return m; 1862 } 1863 1864 private void enableSystemUserPackages() { 1865 if (!UserManager.isSplitSystemUser()) { 1866 return; 1867 } 1868 // For system user, enable apps based on the following conditions: 1869 // - app is whitelisted or belong to one of these groups: 1870 // -- system app which has no launcher icons 1871 // -- system app which has INTERACT_ACROSS_USERS permission 1872 // -- system IME app 1873 // - app is not in the blacklist 1874 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1875 Set<String> enableApps = new ArraySet<>(); 1876 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1877 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1878 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1879 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1880 enableApps.addAll(wlApps); 1881 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1882 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1883 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1884 enableApps.removeAll(blApps); 1885 Log.i(TAG, "Applications installed for system user: " + enableApps); 1886 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1887 UserHandle.SYSTEM); 1888 final int allAppsSize = allAps.size(); 1889 synchronized (mPackages) { 1890 for (int i = 0; i < allAppsSize; i++) { 1891 String pName = allAps.get(i); 1892 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1893 // Should not happen, but we shouldn't be failing if it does 1894 if (pkgSetting == null) { 1895 continue; 1896 } 1897 boolean install = enableApps.contains(pName); 1898 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 1899 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 1900 + " for system user"); 1901 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 1902 } 1903 } 1904 } 1905 } 1906 1907 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1908 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1909 Context.DISPLAY_SERVICE); 1910 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1911 } 1912 1913 public PackageManagerService(Context context, Installer installer, 1914 boolean factoryTest, boolean onlyCore) { 1915 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1916 SystemClock.uptimeMillis()); 1917 1918 if (mSdkVersion <= 0) { 1919 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1920 } 1921 1922 mContext = context; 1923 mFactoryTest = factoryTest; 1924 mOnlyCore = onlyCore; 1925 mMetrics = new DisplayMetrics(); 1926 mSettings = new Settings(mPackages); 1927 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1928 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1929 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1930 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1931 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1932 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1933 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1934 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1935 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1936 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1937 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1938 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1939 1940 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1941 if (separateProcesses != null && separateProcesses.length() > 0) { 1942 if ("*".equals(separateProcesses)) { 1943 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1944 mSeparateProcesses = null; 1945 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1946 } else { 1947 mDefParseFlags = 0; 1948 mSeparateProcesses = separateProcesses.split(","); 1949 Slog.w(TAG, "Running with debug.separate_processes: " 1950 + separateProcesses); 1951 } 1952 } else { 1953 mDefParseFlags = 0; 1954 mSeparateProcesses = null; 1955 } 1956 1957 mInstaller = installer; 1958 mPackageDexOptimizer = new PackageDexOptimizer(this); 1959 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1960 1961 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1962 FgThread.get().getLooper()); 1963 1964 getDefaultDisplayMetrics(context, mMetrics); 1965 1966 SystemConfig systemConfig = SystemConfig.getInstance(); 1967 mGlobalGids = systemConfig.getGlobalGids(); 1968 mSystemPermissions = systemConfig.getSystemPermissions(); 1969 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1970 1971 synchronized (mInstallLock) { 1972 // writer 1973 synchronized (mPackages) { 1974 mHandlerThread = new ServiceThread(TAG, 1975 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1976 mHandlerThread.start(); 1977 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1978 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1979 1980 File dataDir = Environment.getDataDirectory(); 1981 mAppInstallDir = new File(dataDir, "app"); 1982 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1983 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 1984 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1985 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1986 1987 sUserManager = new UserManagerService(context, this, mPackages); 1988 1989 // Propagate permission configuration in to package manager. 1990 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1991 = systemConfig.getPermissions(); 1992 for (int i=0; i<permConfig.size(); i++) { 1993 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1994 BasePermission bp = mSettings.mPermissions.get(perm.name); 1995 if (bp == null) { 1996 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1997 mSettings.mPermissions.put(perm.name, bp); 1998 } 1999 if (perm.gids != null) { 2000 bp.setGids(perm.gids, perm.perUser); 2001 } 2002 } 2003 2004 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2005 for (int i=0; i<libConfig.size(); i++) { 2006 mSharedLibraries.put(libConfig.keyAt(i), 2007 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2008 } 2009 2010 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2011 2012 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2013 2014 String customResolverActivity = Resources.getSystem().getString( 2015 R.string.config_customResolverActivity); 2016 if (TextUtils.isEmpty(customResolverActivity)) { 2017 customResolverActivity = null; 2018 } else { 2019 mCustomResolverComponentName = ComponentName.unflattenFromString( 2020 customResolverActivity); 2021 } 2022 2023 long startTime = SystemClock.uptimeMillis(); 2024 2025 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2026 startTime); 2027 2028 // Set flag to monitor and not change apk file paths when 2029 // scanning install directories. 2030 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2031 2032 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2033 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2034 2035 if (bootClassPath == null) { 2036 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2037 } 2038 2039 if (systemServerClassPath == null) { 2040 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2041 } 2042 2043 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2044 final String[] dexCodeInstructionSets = 2045 getDexCodeInstructionSets( 2046 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2047 2048 /** 2049 * Ensure all external libraries have had dexopt run on them. 2050 */ 2051 if (mSharedLibraries.size() > 0) { 2052 // NOTE: For now, we're compiling these system "shared libraries" 2053 // (and framework jars) into all available architectures. It's possible 2054 // to compile them only when we come across an app that uses them (there's 2055 // already logic for that in scanPackageLI) but that adds some complexity. 2056 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2057 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2058 final String lib = libEntry.path; 2059 if (lib == null) { 2060 continue; 2061 } 2062 2063 try { 2064 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2065 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2066 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2067 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/); 2068 } 2069 } catch (FileNotFoundException e) { 2070 Slog.w(TAG, "Library not found: " + lib); 2071 } catch (IOException | InstallerException e) { 2072 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2073 + e.getMessage()); 2074 } 2075 } 2076 } 2077 } 2078 2079 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2080 2081 final VersionInfo ver = mSettings.getInternalVersion(); 2082 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2083 // when upgrading from pre-M, promote system app permissions from install to runtime 2084 mPromoteSystemApps = 2085 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2086 2087 // save off the names of pre-existing system packages prior to scanning; we don't 2088 // want to automatically grant runtime permissions for new system apps 2089 if (mPromoteSystemApps) { 2090 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2091 while (pkgSettingIter.hasNext()) { 2092 PackageSetting ps = pkgSettingIter.next(); 2093 if (isSystemApp(ps)) { 2094 mExistingSystemPackages.add(ps.name); 2095 } 2096 } 2097 } 2098 2099 // Collect vendor overlay packages. 2100 // (Do this before scanning any apps.) 2101 // For security and version matching reason, only consider 2102 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2103 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2104 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2105 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2106 2107 // Find base frameworks (resource packages without code). 2108 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2109 | PackageParser.PARSE_IS_SYSTEM_DIR 2110 | PackageParser.PARSE_IS_PRIVILEGED, 2111 scanFlags | SCAN_NO_DEX, 0); 2112 2113 // Collected privileged system packages. 2114 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2115 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2116 | PackageParser.PARSE_IS_SYSTEM_DIR 2117 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2118 2119 // Collect ordinary system packages. 2120 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2121 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2122 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2123 2124 // Collect all vendor packages. 2125 File vendorAppDir = new File("/vendor/app"); 2126 try { 2127 vendorAppDir = vendorAppDir.getCanonicalFile(); 2128 } catch (IOException e) { 2129 // failed to look up canonical path, continue with original one 2130 } 2131 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2132 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2133 2134 // Collect all OEM packages. 2135 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2136 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2137 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2138 2139 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2140 try { 2141 mInstaller.moveFiles(); 2142 } catch (InstallerException e) { 2143 logCriticalInfo(Log.WARN, "Update commands failed: " + e); 2144 } 2145 2146 // Prune any system packages that no longer exist. 2147 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2148 if (!mOnlyCore) { 2149 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2150 while (psit.hasNext()) { 2151 PackageSetting ps = psit.next(); 2152 2153 /* 2154 * If this is not a system app, it can't be a 2155 * disable system app. 2156 */ 2157 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2158 continue; 2159 } 2160 2161 /* 2162 * If the package is scanned, it's not erased. 2163 */ 2164 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2165 if (scannedPkg != null) { 2166 /* 2167 * If the system app is both scanned and in the 2168 * disabled packages list, then it must have been 2169 * added via OTA. Remove it from the currently 2170 * scanned package so the previously user-installed 2171 * application can be scanned. 2172 */ 2173 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2174 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2175 + ps.name + "; removing system app. Last known codePath=" 2176 + ps.codePathString + ", installStatus=" + ps.installStatus 2177 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2178 + scannedPkg.mVersionCode); 2179 removePackageLI(ps, true); 2180 mExpectingBetter.put(ps.name, ps.codePath); 2181 } 2182 2183 continue; 2184 } 2185 2186 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2187 psit.remove(); 2188 logCriticalInfo(Log.WARN, "System package " + ps.name 2189 + " no longer exists; wiping its data"); 2190 removeDataDirsLI(null, ps.name); 2191 } else { 2192 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2193 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2194 possiblyDeletedUpdatedSystemApps.add(ps.name); 2195 } 2196 } 2197 } 2198 } 2199 2200 //look for any incomplete package installations 2201 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2202 //clean up list 2203 for(int i = 0; i < deletePkgsList.size(); i++) { 2204 //clean up here 2205 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2206 } 2207 //delete tmp files 2208 deleteTempPackageFiles(); 2209 2210 // Remove any shared userIDs that have no associated packages 2211 mSettings.pruneSharedUsersLPw(); 2212 2213 if (!mOnlyCore) { 2214 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2215 SystemClock.uptimeMillis()); 2216 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2217 2218 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2219 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2220 2221 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2222 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2223 2224 /** 2225 * Remove disable package settings for any updated system 2226 * apps that were removed via an OTA. If they're not a 2227 * previously-updated app, remove them completely. 2228 * Otherwise, just revoke their system-level permissions. 2229 */ 2230 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2231 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2232 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2233 2234 String msg; 2235 if (deletedPkg == null) { 2236 msg = "Updated system package " + deletedAppName 2237 + " no longer exists; wiping its data"; 2238 removeDataDirsLI(null, deletedAppName); 2239 } else { 2240 msg = "Updated system app + " + deletedAppName 2241 + " no longer present; removing system privileges for " 2242 + deletedAppName; 2243 2244 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2245 2246 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2247 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2248 } 2249 logCriticalInfo(Log.WARN, msg); 2250 } 2251 2252 /** 2253 * Make sure all system apps that we expected to appear on 2254 * the userdata partition actually showed up. If they never 2255 * appeared, crawl back and revive the system version. 2256 */ 2257 for (int i = 0; i < mExpectingBetter.size(); i++) { 2258 final String packageName = mExpectingBetter.keyAt(i); 2259 if (!mPackages.containsKey(packageName)) { 2260 final File scanFile = mExpectingBetter.valueAt(i); 2261 2262 logCriticalInfo(Log.WARN, "Expected better " + packageName 2263 + " but never showed up; reverting to system"); 2264 2265 final int reparseFlags; 2266 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2267 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2268 | PackageParser.PARSE_IS_SYSTEM_DIR 2269 | PackageParser.PARSE_IS_PRIVILEGED; 2270 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2271 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2272 | PackageParser.PARSE_IS_SYSTEM_DIR; 2273 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2274 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2275 | PackageParser.PARSE_IS_SYSTEM_DIR; 2276 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2277 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2278 | PackageParser.PARSE_IS_SYSTEM_DIR; 2279 } else { 2280 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2281 continue; 2282 } 2283 2284 mSettings.enableSystemPackageLPw(packageName); 2285 2286 try { 2287 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2288 } catch (PackageManagerException e) { 2289 Slog.e(TAG, "Failed to parse original system package: " 2290 + e.getMessage()); 2291 } 2292 } 2293 } 2294 } 2295 mExpectingBetter.clear(); 2296 2297 // Now that we know all of the shared libraries, update all clients to have 2298 // the correct library paths. 2299 updateAllSharedLibrariesLPw(); 2300 2301 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2302 // NOTE: We ignore potential failures here during a system scan (like 2303 // the rest of the commands above) because there's precious little we 2304 // can do about it. A settings error is reported, though. 2305 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2306 false /* boot complete */); 2307 } 2308 2309 // Now that we know all the packages we are keeping, 2310 // read and update their last usage times. 2311 mPackageUsage.readLP(); 2312 2313 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2314 SystemClock.uptimeMillis()); 2315 Slog.i(TAG, "Time to scan packages: " 2316 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2317 + " seconds"); 2318 2319 // If the platform SDK has changed since the last time we booted, 2320 // we need to re-grant app permission to catch any new ones that 2321 // appear. This is really a hack, and means that apps can in some 2322 // cases get permissions that the user didn't initially explicitly 2323 // allow... it would be nice to have some better way to handle 2324 // this situation. 2325 int updateFlags = UPDATE_PERMISSIONS_ALL; 2326 if (ver.sdkVersion != mSdkVersion) { 2327 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2328 + mSdkVersion + "; regranting permissions for internal storage"); 2329 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2330 } 2331 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2332 ver.sdkVersion = mSdkVersion; 2333 2334 // If this is the first boot or an update from pre-M, and it is a normal 2335 // boot, then we need to initialize the default preferred apps across 2336 // all defined users. 2337 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2338 for (UserInfo user : sUserManager.getUsers(true)) { 2339 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2340 applyFactoryDefaultBrowserLPw(user.id); 2341 primeDomainVerificationsLPw(user.id); 2342 } 2343 } 2344 2345 // If this is first boot after an OTA, and a normal boot, then 2346 // we need to clear code cache directories. 2347 if (mIsUpgrade && !onlyCore) { 2348 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2349 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2350 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2351 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2352 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2353 } 2354 } 2355 ver.fingerprint = Build.FINGERPRINT; 2356 } 2357 2358 checkDefaultBrowser(); 2359 2360 // clear only after permissions and other defaults have been updated 2361 mExistingSystemPackages.clear(); 2362 mPromoteSystemApps = false; 2363 2364 // All the changes are done during package scanning. 2365 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2366 2367 // can downgrade to reader 2368 mSettings.writeLPr(); 2369 2370 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2371 SystemClock.uptimeMillis()); 2372 2373 if (!mOnlyCore) { 2374 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2375 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2376 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2377 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2378 mIntentFilterVerifierComponent); 2379 } else { 2380 mRequiredVerifierPackage = null; 2381 mRequiredInstallerPackage = null; 2382 mIntentFilterVerifierComponent = null; 2383 mIntentFilterVerifier = null; 2384 } 2385 2386 mInstallerService = new PackageInstallerService(context, this); 2387 2388 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2389 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2390 // both the installer and resolver must be present to enable ephemeral 2391 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2392 if (DEBUG_EPHEMERAL) { 2393 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2394 + " installer:" + ephemeralInstallerComponent); 2395 } 2396 mEphemeralResolverComponent = ephemeralResolverComponent; 2397 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2398 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2399 mEphemeralResolverConnection = 2400 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2401 } else { 2402 if (DEBUG_EPHEMERAL) { 2403 final String missingComponent = 2404 (ephemeralResolverComponent == null) 2405 ? (ephemeralInstallerComponent == null) 2406 ? "resolver and installer" 2407 : "resolver" 2408 : "installer"; 2409 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2410 } 2411 mEphemeralResolverComponent = null; 2412 mEphemeralInstallerComponent = null; 2413 mEphemeralResolverConnection = null; 2414 } 2415 2416 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2417 } // synchronized (mPackages) 2418 } // synchronized (mInstallLock) 2419 2420 // Now after opening every single application zip, make sure they 2421 // are all flushed. Not really needed, but keeps things nice and 2422 // tidy. 2423 Runtime.getRuntime().gc(); 2424 2425 // The initial scanning above does many calls into installd while 2426 // holding the mPackages lock, but we're mostly interested in yelling 2427 // once we have a booted system. 2428 mInstaller.setWarnIfHeld(mPackages); 2429 2430 // Expose private service for system components to use. 2431 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2432 } 2433 2434 @Override 2435 public boolean isFirstBoot() { 2436 return !mRestoredSettings; 2437 } 2438 2439 @Override 2440 public boolean isOnlyCoreApps() { 2441 return mOnlyCore; 2442 } 2443 2444 @Override 2445 public boolean isUpgrade() { 2446 return mIsUpgrade; 2447 } 2448 2449 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2450 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2451 2452 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2453 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2454 if (matches.size() == 1) { 2455 return matches.get(0).getComponentInfo().packageName; 2456 } else { 2457 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2458 return null; 2459 } 2460 } 2461 2462 private @NonNull String getRequiredInstallerLPr() { 2463 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2464 intent.addCategory(Intent.CATEGORY_DEFAULT); 2465 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2466 2467 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2468 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2469 if (matches.size() == 1) { 2470 return matches.get(0).getComponentInfo().packageName; 2471 } else { 2472 throw new RuntimeException("There must be exactly one installer; found " + matches); 2473 } 2474 } 2475 2476 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2477 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2478 2479 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2480 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2481 ResolveInfo best = null; 2482 final int N = matches.size(); 2483 for (int i = 0; i < N; i++) { 2484 final ResolveInfo cur = matches.get(i); 2485 final String packageName = cur.getComponentInfo().packageName; 2486 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2487 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2488 continue; 2489 } 2490 2491 if (best == null || cur.priority > best.priority) { 2492 best = cur; 2493 } 2494 } 2495 2496 if (best != null) { 2497 return best.getComponentInfo().getComponentName(); 2498 } else { 2499 throw new RuntimeException("There must be at least one intent filter verifier"); 2500 } 2501 } 2502 2503 private @Nullable ComponentName getEphemeralResolverLPr() { 2504 final String[] packageArray = 2505 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2506 if (packageArray.length == 0) { 2507 if (DEBUG_EPHEMERAL) { 2508 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2509 } 2510 return null; 2511 } 2512 2513 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2514 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, null, 2515 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2516 2517 final int N = resolvers.size(); 2518 if (N == 0) { 2519 if (DEBUG_EPHEMERAL) { 2520 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2521 } 2522 return null; 2523 } 2524 2525 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2526 for (int i = 0; i < N; i++) { 2527 final ResolveInfo info = resolvers.get(i); 2528 2529 if (info.serviceInfo == null) { 2530 continue; 2531 } 2532 2533 final String packageName = info.serviceInfo.packageName; 2534 if (!possiblePackages.contains(packageName)) { 2535 if (DEBUG_EPHEMERAL) { 2536 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2537 + " pkg: " + packageName + ", info:" + info); 2538 } 2539 continue; 2540 } 2541 2542 if (DEBUG_EPHEMERAL) { 2543 Slog.v(TAG, "Ephemeral resolver found;" 2544 + " pkg: " + packageName + ", info:" + info); 2545 } 2546 return new ComponentName(packageName, info.serviceInfo.name); 2547 } 2548 if (DEBUG_EPHEMERAL) { 2549 Slog.v(TAG, "Ephemeral resolver NOT found"); 2550 } 2551 return null; 2552 } 2553 2554 private @Nullable ComponentName getEphemeralInstallerLPr() { 2555 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2556 intent.addCategory(Intent.CATEGORY_DEFAULT); 2557 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2558 2559 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2560 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2561 if (matches.size() == 0) { 2562 return null; 2563 } else if (matches.size() == 1) { 2564 return matches.get(0).getComponentInfo().getComponentName(); 2565 } else { 2566 throw new RuntimeException( 2567 "There must be at most one ephemeral installer; found " + matches); 2568 } 2569 } 2570 2571 private void primeDomainVerificationsLPw(int userId) { 2572 if (DEBUG_DOMAIN_VERIFICATION) { 2573 Slog.d(TAG, "Priming domain verifications in user " + userId); 2574 } 2575 2576 SystemConfig systemConfig = SystemConfig.getInstance(); 2577 ArraySet<String> packages = systemConfig.getLinkedApps(); 2578 ArraySet<String> domains = new ArraySet<String>(); 2579 2580 for (String packageName : packages) { 2581 PackageParser.Package pkg = mPackages.get(packageName); 2582 if (pkg != null) { 2583 if (!pkg.isSystemApp()) { 2584 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2585 continue; 2586 } 2587 2588 domains.clear(); 2589 for (PackageParser.Activity a : pkg.activities) { 2590 for (ActivityIntentInfo filter : a.intents) { 2591 if (hasValidDomains(filter)) { 2592 domains.addAll(filter.getHostsList()); 2593 } 2594 } 2595 } 2596 2597 if (domains.size() > 0) { 2598 if (DEBUG_DOMAIN_VERIFICATION) { 2599 Slog.v(TAG, " + " + packageName); 2600 } 2601 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2602 // state w.r.t. the formal app-linkage "no verification attempted" state; 2603 // and then 'always' in the per-user state actually used for intent resolution. 2604 final IntentFilterVerificationInfo ivi; 2605 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2606 new ArrayList<String>(domains)); 2607 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2608 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2609 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2610 } else { 2611 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2612 + "' does not handle web links"); 2613 } 2614 } else { 2615 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2616 } 2617 } 2618 2619 scheduleWritePackageRestrictionsLocked(userId); 2620 scheduleWriteSettingsLocked(); 2621 } 2622 2623 private void applyFactoryDefaultBrowserLPw(int userId) { 2624 // The default browser app's package name is stored in a string resource, 2625 // with a product-specific overlay used for vendor customization. 2626 String browserPkg = mContext.getResources().getString( 2627 com.android.internal.R.string.default_browser); 2628 if (!TextUtils.isEmpty(browserPkg)) { 2629 // non-empty string => required to be a known package 2630 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2631 if (ps == null) { 2632 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2633 browserPkg = null; 2634 } else { 2635 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2636 } 2637 } 2638 2639 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2640 // default. If there's more than one, just leave everything alone. 2641 if (browserPkg == null) { 2642 calculateDefaultBrowserLPw(userId); 2643 } 2644 } 2645 2646 private void calculateDefaultBrowserLPw(int userId) { 2647 List<String> allBrowsers = resolveAllBrowserApps(userId); 2648 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2649 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2650 } 2651 2652 private List<String> resolveAllBrowserApps(int userId) { 2653 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2654 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2655 PackageManager.MATCH_ALL, userId); 2656 2657 final int count = list.size(); 2658 List<String> result = new ArrayList<String>(count); 2659 for (int i=0; i<count; i++) { 2660 ResolveInfo info = list.get(i); 2661 if (info.activityInfo == null 2662 || !info.handleAllWebDataURI 2663 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2664 || result.contains(info.activityInfo.packageName)) { 2665 continue; 2666 } 2667 result.add(info.activityInfo.packageName); 2668 } 2669 2670 return result; 2671 } 2672 2673 private boolean packageIsBrowser(String packageName, int userId) { 2674 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2675 PackageManager.MATCH_ALL, userId); 2676 final int N = list.size(); 2677 for (int i = 0; i < N; i++) { 2678 ResolveInfo info = list.get(i); 2679 if (packageName.equals(info.activityInfo.packageName)) { 2680 return true; 2681 } 2682 } 2683 return false; 2684 } 2685 2686 private void checkDefaultBrowser() { 2687 final int myUserId = UserHandle.myUserId(); 2688 final String packageName = getDefaultBrowserPackageName(myUserId); 2689 if (packageName != null) { 2690 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2691 if (info == null) { 2692 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2693 synchronized (mPackages) { 2694 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2695 } 2696 } 2697 } 2698 } 2699 2700 @Override 2701 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2702 throws RemoteException { 2703 try { 2704 return super.onTransact(code, data, reply, flags); 2705 } catch (RuntimeException e) { 2706 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2707 Slog.wtf(TAG, "Package Manager Crash", e); 2708 } 2709 throw e; 2710 } 2711 } 2712 2713 void cleanupInstallFailedPackage(PackageSetting ps) { 2714 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2715 2716 removeDataDirsLI(ps.volumeUuid, ps.name); 2717 if (ps.codePath != null) { 2718 removeCodePathLI(ps.codePath); 2719 } 2720 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2721 if (ps.resourcePath.isDirectory()) { 2722 FileUtils.deleteContents(ps.resourcePath); 2723 } 2724 ps.resourcePath.delete(); 2725 } 2726 mSettings.removePackageLPw(ps.name); 2727 } 2728 2729 static int[] appendInts(int[] cur, int[] add) { 2730 if (add == null) return cur; 2731 if (cur == null) return add; 2732 final int N = add.length; 2733 for (int i=0; i<N; i++) { 2734 cur = appendInt(cur, add[i]); 2735 } 2736 return cur; 2737 } 2738 2739 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2740 if (!sUserManager.exists(userId)) return null; 2741 final PackageSetting ps = (PackageSetting) p.mExtras; 2742 if (ps == null) { 2743 return null; 2744 } 2745 2746 final PermissionsState permissionsState = ps.getPermissionsState(); 2747 2748 final int[] gids = permissionsState.computeGids(userId); 2749 final Set<String> permissions = permissionsState.getPermissions(userId); 2750 final PackageUserState state = ps.readUserState(userId); 2751 2752 return PackageParser.generatePackageInfo(p, gids, flags, 2753 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2754 } 2755 2756 @Override 2757 public void checkPackageStartable(String packageName, int userId) { 2758 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2759 2760 synchronized (mPackages) { 2761 final PackageSetting ps = mSettings.mPackages.get(packageName); 2762 if (ps == null) { 2763 throw new SecurityException("Package " + packageName + " was not found!"); 2764 } 2765 2766 if (ps.frozen) { 2767 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2768 } 2769 2770 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2771 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2772 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2773 } 2774 } 2775 } 2776 2777 @Override 2778 public boolean isPackageAvailable(String packageName, int userId) { 2779 if (!sUserManager.exists(userId)) return false; 2780 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2781 synchronized (mPackages) { 2782 PackageParser.Package p = mPackages.get(packageName); 2783 if (p != null) { 2784 final PackageSetting ps = (PackageSetting) p.mExtras; 2785 if (ps != null) { 2786 final PackageUserState state = ps.readUserState(userId); 2787 if (state != null) { 2788 return PackageParser.isAvailable(state); 2789 } 2790 } 2791 } 2792 } 2793 return false; 2794 } 2795 2796 @Override 2797 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2798 if (!sUserManager.exists(userId)) return null; 2799 flags = updateFlagsForPackage(flags, userId, packageName); 2800 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2801 // reader 2802 synchronized (mPackages) { 2803 PackageParser.Package p = mPackages.get(packageName); 2804 if (DEBUG_PACKAGE_INFO) 2805 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2806 if (p != null) { 2807 return generatePackageInfo(p, flags, userId); 2808 } 2809 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2810 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2811 } 2812 } 2813 return null; 2814 } 2815 2816 @Override 2817 public String[] currentToCanonicalPackageNames(String[] names) { 2818 String[] out = new String[names.length]; 2819 // reader 2820 synchronized (mPackages) { 2821 for (int i=names.length-1; i>=0; i--) { 2822 PackageSetting ps = mSettings.mPackages.get(names[i]); 2823 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2824 } 2825 } 2826 return out; 2827 } 2828 2829 @Override 2830 public String[] canonicalToCurrentPackageNames(String[] names) { 2831 String[] out = new String[names.length]; 2832 // reader 2833 synchronized (mPackages) { 2834 for (int i=names.length-1; i>=0; i--) { 2835 String cur = mSettings.mRenamedPackages.get(names[i]); 2836 out[i] = cur != null ? cur : names[i]; 2837 } 2838 } 2839 return out; 2840 } 2841 2842 @Override 2843 public int getPackageUid(String packageName, int flags, int userId) { 2844 if (!sUserManager.exists(userId)) return -1; 2845 flags = updateFlagsForPackage(flags, userId, packageName); 2846 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2847 2848 // reader 2849 synchronized (mPackages) { 2850 final PackageParser.Package p = mPackages.get(packageName); 2851 if (p != null && p.isMatch(flags)) { 2852 return UserHandle.getUid(userId, p.applicationInfo.uid); 2853 } 2854 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2855 final PackageSetting ps = mSettings.mPackages.get(packageName); 2856 if (ps != null && ps.isMatch(flags)) { 2857 return UserHandle.getUid(userId, ps.appId); 2858 } 2859 } 2860 } 2861 2862 return -1; 2863 } 2864 2865 @Override 2866 public int[] getPackageGids(String packageName, int flags, int userId) { 2867 if (!sUserManager.exists(userId)) return null; 2868 flags = updateFlagsForPackage(flags, userId, packageName); 2869 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2870 "getPackageGids"); 2871 2872 // reader 2873 synchronized (mPackages) { 2874 final PackageParser.Package p = mPackages.get(packageName); 2875 if (p != null && p.isMatch(flags)) { 2876 PackageSetting ps = (PackageSetting) p.mExtras; 2877 return ps.getPermissionsState().computeGids(userId); 2878 } 2879 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2880 final PackageSetting ps = mSettings.mPackages.get(packageName); 2881 if (ps != null && ps.isMatch(flags)) { 2882 return ps.getPermissionsState().computeGids(userId); 2883 } 2884 } 2885 } 2886 2887 return null; 2888 } 2889 2890 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 2891 if (bp.perm != null) { 2892 return PackageParser.generatePermissionInfo(bp.perm, flags); 2893 } 2894 PermissionInfo pi = new PermissionInfo(); 2895 pi.name = bp.name; 2896 pi.packageName = bp.sourcePackage; 2897 pi.nonLocalizedLabel = bp.name; 2898 pi.protectionLevel = bp.protectionLevel; 2899 return pi; 2900 } 2901 2902 @Override 2903 public PermissionInfo getPermissionInfo(String name, int flags) { 2904 // reader 2905 synchronized (mPackages) { 2906 final BasePermission p = mSettings.mPermissions.get(name); 2907 if (p != null) { 2908 return generatePermissionInfo(p, flags); 2909 } 2910 return null; 2911 } 2912 } 2913 2914 @Override 2915 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2916 // reader 2917 synchronized (mPackages) { 2918 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2919 for (BasePermission p : mSettings.mPermissions.values()) { 2920 if (group == null) { 2921 if (p.perm == null || p.perm.info.group == null) { 2922 out.add(generatePermissionInfo(p, flags)); 2923 } 2924 } else { 2925 if (p.perm != null && group.equals(p.perm.info.group)) { 2926 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2927 } 2928 } 2929 } 2930 2931 if (out.size() > 0) { 2932 return out; 2933 } 2934 return mPermissionGroups.containsKey(group) ? out : null; 2935 } 2936 } 2937 2938 @Override 2939 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2940 // reader 2941 synchronized (mPackages) { 2942 return PackageParser.generatePermissionGroupInfo( 2943 mPermissionGroups.get(name), flags); 2944 } 2945 } 2946 2947 @Override 2948 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2949 // reader 2950 synchronized (mPackages) { 2951 final int N = mPermissionGroups.size(); 2952 ArrayList<PermissionGroupInfo> out 2953 = new ArrayList<PermissionGroupInfo>(N); 2954 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2955 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2956 } 2957 return out; 2958 } 2959 } 2960 2961 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2962 int userId) { 2963 if (!sUserManager.exists(userId)) return null; 2964 PackageSetting ps = mSettings.mPackages.get(packageName); 2965 if (ps != null) { 2966 if (ps.pkg == null) { 2967 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2968 flags, userId); 2969 if (pInfo != null) { 2970 return pInfo.applicationInfo; 2971 } 2972 return null; 2973 } 2974 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2975 ps.readUserState(userId), userId); 2976 } 2977 return null; 2978 } 2979 2980 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2981 int userId) { 2982 if (!sUserManager.exists(userId)) return null; 2983 PackageSetting ps = mSettings.mPackages.get(packageName); 2984 if (ps != null) { 2985 PackageParser.Package pkg = ps.pkg; 2986 if (pkg == null) { 2987 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 2988 return null; 2989 } 2990 // Only data remains, so we aren't worried about code paths 2991 pkg = new PackageParser.Package(packageName); 2992 pkg.applicationInfo.packageName = packageName; 2993 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2994 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2995 pkg.applicationInfo.uid = ps.appId; 2996 pkg.applicationInfo.initForUser(userId); 2997 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2998 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2999 } 3000 return generatePackageInfo(pkg, flags, userId); 3001 } 3002 return null; 3003 } 3004 3005 @Override 3006 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3007 if (!sUserManager.exists(userId)) return null; 3008 flags = updateFlagsForApplication(flags, userId, packageName); 3009 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 3010 // writer 3011 synchronized (mPackages) { 3012 PackageParser.Package p = mPackages.get(packageName); 3013 if (DEBUG_PACKAGE_INFO) Log.v( 3014 TAG, "getApplicationInfo " + packageName 3015 + ": " + p); 3016 if (p != null) { 3017 PackageSetting ps = mSettings.mPackages.get(packageName); 3018 if (ps == null) return null; 3019 // Note: isEnabledLP() does not apply here - always return info 3020 return PackageParser.generateApplicationInfo( 3021 p, flags, ps.readUserState(userId), userId); 3022 } 3023 if ("android".equals(packageName)||"system".equals(packageName)) { 3024 return mAndroidApplication; 3025 } 3026 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3027 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3028 } 3029 } 3030 return null; 3031 } 3032 3033 @Override 3034 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3035 final IPackageDataObserver observer) { 3036 mContext.enforceCallingOrSelfPermission( 3037 android.Manifest.permission.CLEAR_APP_CACHE, null); 3038 // Queue up an async operation since clearing cache may take a little while. 3039 mHandler.post(new Runnable() { 3040 public void run() { 3041 mHandler.removeCallbacks(this); 3042 boolean success = true; 3043 synchronized (mInstallLock) { 3044 try { 3045 mInstaller.freeCache(volumeUuid, freeStorageSize); 3046 } catch (InstallerException e) { 3047 Slog.w(TAG, "Couldn't clear application caches: " + e); 3048 success = false; 3049 } 3050 } 3051 if (observer != null) { 3052 try { 3053 observer.onRemoveCompleted(null, success); 3054 } catch (RemoteException e) { 3055 Slog.w(TAG, "RemoveException when invoking call back"); 3056 } 3057 } 3058 } 3059 }); 3060 } 3061 3062 @Override 3063 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3064 final IntentSender pi) { 3065 mContext.enforceCallingOrSelfPermission( 3066 android.Manifest.permission.CLEAR_APP_CACHE, null); 3067 // Queue up an async operation since clearing cache may take a little while. 3068 mHandler.post(new Runnable() { 3069 public void run() { 3070 mHandler.removeCallbacks(this); 3071 boolean success = true; 3072 synchronized (mInstallLock) { 3073 try { 3074 mInstaller.freeCache(volumeUuid, freeStorageSize); 3075 } catch (InstallerException e) { 3076 Slog.w(TAG, "Couldn't clear application caches: " + e); 3077 success = false; 3078 } 3079 } 3080 if(pi != null) { 3081 try { 3082 // Callback via pending intent 3083 int code = success ? 1 : 0; 3084 pi.sendIntent(null, code, null, 3085 null, null); 3086 } catch (SendIntentException e1) { 3087 Slog.i(TAG, "Failed to send pending intent"); 3088 } 3089 } 3090 } 3091 }); 3092 } 3093 3094 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3095 synchronized (mInstallLock) { 3096 try { 3097 mInstaller.freeCache(volumeUuid, freeStorageSize); 3098 } catch (InstallerException e) { 3099 throw new IOException("Failed to free enough space", e); 3100 } 3101 } 3102 } 3103 3104 /** 3105 * Return if the user key is currently unlocked. 3106 */ 3107 private boolean isUserKeyUnlocked(int userId) { 3108 if (StorageManager.isFileBasedEncryptionEnabled()) { 3109 final IMountService mount = IMountService.Stub 3110 .asInterface(ServiceManager.getService("mount")); 3111 if (mount == null) { 3112 Slog.w(TAG, "Early during boot, assuming locked"); 3113 return false; 3114 } 3115 final long token = Binder.clearCallingIdentity(); 3116 try { 3117 return mount.isUserKeyUnlocked(userId); 3118 } catch (RemoteException e) { 3119 throw e.rethrowAsRuntimeException(); 3120 } finally { 3121 Binder.restoreCallingIdentity(token); 3122 } 3123 } else { 3124 return true; 3125 } 3126 } 3127 3128 /** 3129 * Update given flags based on encryption status of current user. 3130 */ 3131 private int updateFlags(int flags, int userId) { 3132 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3133 | PackageManager.MATCH_ENCRYPTION_AWARE)) != 0) { 3134 // Caller expressed an explicit opinion about what encryption 3135 // aware/unaware components they want to see, so fall through and 3136 // give them what they want 3137 } else { 3138 // Caller expressed no opinion, so match based on user state 3139 if (isUserKeyUnlocked(userId)) { 3140 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 3141 } else { 3142 flags |= PackageManager.MATCH_ENCRYPTION_AWARE; 3143 } 3144 } 3145 3146 // Safe mode means we should ignore any third-party apps 3147 if (mSafeMode) { 3148 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3149 } 3150 3151 return flags; 3152 } 3153 3154 /** 3155 * Update given flags when being used to request {@link PackageInfo}. 3156 */ 3157 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3158 boolean triaged = true; 3159 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3160 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3161 // Caller is asking for component details, so they'd better be 3162 // asking for specific encryption matching behavior, or be triaged 3163 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3164 | PackageManager.MATCH_ENCRYPTION_AWARE 3165 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3166 triaged = false; 3167 } 3168 } 3169 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3170 | PackageManager.MATCH_SYSTEM_ONLY 3171 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3172 triaged = false; 3173 } 3174 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3175 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3176 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3177 } 3178 return updateFlags(flags, userId); 3179 } 3180 3181 /** 3182 * Update given flags when being used to request {@link ApplicationInfo}. 3183 */ 3184 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3185 return updateFlagsForPackage(flags, userId, cookie); 3186 } 3187 3188 /** 3189 * Update given flags when being used to request {@link ComponentInfo}. 3190 */ 3191 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3192 if (cookie instanceof Intent) { 3193 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3194 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3195 } 3196 } 3197 3198 boolean triaged = true; 3199 // Caller is asking for component details, so they'd better be 3200 // asking for specific encryption matching behavior, or be triaged 3201 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3202 | PackageManager.MATCH_ENCRYPTION_AWARE 3203 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3204 triaged = false; 3205 } 3206 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3207 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3208 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3209 } 3210 return updateFlags(flags, userId); 3211 } 3212 3213 /** 3214 * Update given flags when being used to request {@link ResolveInfo}. 3215 */ 3216 private int updateFlagsForResolve(int flags, int userId, Object cookie) { 3217 return updateFlagsForComponent(flags, userId, cookie); 3218 } 3219 3220 @Override 3221 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3222 if (!sUserManager.exists(userId)) return null; 3223 flags = updateFlagsForComponent(flags, userId, component); 3224 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3225 synchronized (mPackages) { 3226 PackageParser.Activity a = mActivities.mActivities.get(component); 3227 3228 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3229 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3230 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3231 if (ps == null) return null; 3232 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3233 userId); 3234 } 3235 if (mResolveComponentName.equals(component)) { 3236 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3237 new PackageUserState(), userId); 3238 } 3239 } 3240 return null; 3241 } 3242 3243 @Override 3244 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3245 String resolvedType) { 3246 synchronized (mPackages) { 3247 if (component.equals(mResolveComponentName)) { 3248 // The resolver supports EVERYTHING! 3249 return true; 3250 } 3251 PackageParser.Activity a = mActivities.mActivities.get(component); 3252 if (a == null) { 3253 return false; 3254 } 3255 for (int i=0; i<a.intents.size(); i++) { 3256 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3257 intent.getData(), intent.getCategories(), TAG) >= 0) { 3258 return true; 3259 } 3260 } 3261 return false; 3262 } 3263 } 3264 3265 @Override 3266 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3267 if (!sUserManager.exists(userId)) return null; 3268 flags = updateFlagsForComponent(flags, userId, component); 3269 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3270 synchronized (mPackages) { 3271 PackageParser.Activity a = mReceivers.mActivities.get(component); 3272 if (DEBUG_PACKAGE_INFO) Log.v( 3273 TAG, "getReceiverInfo " + component + ": " + a); 3274 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3275 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3276 if (ps == null) return null; 3277 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3278 userId); 3279 } 3280 } 3281 return null; 3282 } 3283 3284 @Override 3285 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3286 if (!sUserManager.exists(userId)) return null; 3287 flags = updateFlagsForComponent(flags, userId, component); 3288 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3289 synchronized (mPackages) { 3290 PackageParser.Service s = mServices.mServices.get(component); 3291 if (DEBUG_PACKAGE_INFO) Log.v( 3292 TAG, "getServiceInfo " + component + ": " + s); 3293 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3294 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3295 if (ps == null) return null; 3296 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3297 userId); 3298 } 3299 } 3300 return null; 3301 } 3302 3303 @Override 3304 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3305 if (!sUserManager.exists(userId)) return null; 3306 flags = updateFlagsForComponent(flags, userId, component); 3307 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3308 synchronized (mPackages) { 3309 PackageParser.Provider p = mProviders.mProviders.get(component); 3310 if (DEBUG_PACKAGE_INFO) Log.v( 3311 TAG, "getProviderInfo " + component + ": " + p); 3312 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3313 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3314 if (ps == null) return null; 3315 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3316 userId); 3317 } 3318 } 3319 return null; 3320 } 3321 3322 @Override 3323 public String[] getSystemSharedLibraryNames() { 3324 Set<String> libSet; 3325 synchronized (mPackages) { 3326 libSet = mSharedLibraries.keySet(); 3327 int size = libSet.size(); 3328 if (size > 0) { 3329 String[] libs = new String[size]; 3330 libSet.toArray(libs); 3331 return libs; 3332 } 3333 } 3334 return null; 3335 } 3336 3337 /** 3338 * @hide 3339 */ 3340 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3341 synchronized (mPackages) { 3342 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3343 if (lib != null && lib.apk != null) { 3344 return mPackages.get(lib.apk); 3345 } 3346 } 3347 return null; 3348 } 3349 3350 @Override 3351 public FeatureInfo[] getSystemAvailableFeatures() { 3352 Collection<FeatureInfo> featSet; 3353 synchronized (mPackages) { 3354 featSet = mAvailableFeatures.values(); 3355 int size = featSet.size(); 3356 if (size > 0) { 3357 FeatureInfo[] features = new FeatureInfo[size+1]; 3358 featSet.toArray(features); 3359 FeatureInfo fi = new FeatureInfo(); 3360 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3361 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3362 features[size] = fi; 3363 return features; 3364 } 3365 } 3366 return null; 3367 } 3368 3369 @Override 3370 public boolean hasSystemFeature(String name) { 3371 synchronized (mPackages) { 3372 return mAvailableFeatures.containsKey(name); 3373 } 3374 } 3375 3376 @Override 3377 public int checkPermission(String permName, String pkgName, int userId) { 3378 if (!sUserManager.exists(userId)) { 3379 return PackageManager.PERMISSION_DENIED; 3380 } 3381 3382 synchronized (mPackages) { 3383 final PackageParser.Package p = mPackages.get(pkgName); 3384 if (p != null && p.mExtras != null) { 3385 final PackageSetting ps = (PackageSetting) p.mExtras; 3386 final PermissionsState permissionsState = ps.getPermissionsState(); 3387 if (permissionsState.hasPermission(permName, userId)) { 3388 return PackageManager.PERMISSION_GRANTED; 3389 } 3390 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3391 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3392 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3393 return PackageManager.PERMISSION_GRANTED; 3394 } 3395 } 3396 } 3397 3398 return PackageManager.PERMISSION_DENIED; 3399 } 3400 3401 @Override 3402 public int checkUidPermission(String permName, int uid) { 3403 final int userId = UserHandle.getUserId(uid); 3404 3405 if (!sUserManager.exists(userId)) { 3406 return PackageManager.PERMISSION_DENIED; 3407 } 3408 3409 synchronized (mPackages) { 3410 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3411 if (obj != null) { 3412 final SettingBase ps = (SettingBase) obj; 3413 final PermissionsState permissionsState = ps.getPermissionsState(); 3414 if (permissionsState.hasPermission(permName, userId)) { 3415 return PackageManager.PERMISSION_GRANTED; 3416 } 3417 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3418 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3419 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3420 return PackageManager.PERMISSION_GRANTED; 3421 } 3422 } else { 3423 ArraySet<String> perms = mSystemPermissions.get(uid); 3424 if (perms != null) { 3425 if (perms.contains(permName)) { 3426 return PackageManager.PERMISSION_GRANTED; 3427 } 3428 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3429 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3430 return PackageManager.PERMISSION_GRANTED; 3431 } 3432 } 3433 } 3434 } 3435 3436 return PackageManager.PERMISSION_DENIED; 3437 } 3438 3439 @Override 3440 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3441 if (UserHandle.getCallingUserId() != userId) { 3442 mContext.enforceCallingPermission( 3443 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3444 "isPermissionRevokedByPolicy for user " + userId); 3445 } 3446 3447 if (checkPermission(permission, packageName, userId) 3448 == PackageManager.PERMISSION_GRANTED) { 3449 return false; 3450 } 3451 3452 final long identity = Binder.clearCallingIdentity(); 3453 try { 3454 final int flags = getPermissionFlags(permission, packageName, userId); 3455 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3456 } finally { 3457 Binder.restoreCallingIdentity(identity); 3458 } 3459 } 3460 3461 @Override 3462 public String getPermissionControllerPackageName() { 3463 synchronized (mPackages) { 3464 return mRequiredInstallerPackage; 3465 } 3466 } 3467 3468 /** 3469 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3470 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3471 * @param checkShell TODO(yamasani): 3472 * @param message the message to log on security exception 3473 */ 3474 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3475 boolean checkShell, String message) { 3476 if (userId < 0) { 3477 throw new IllegalArgumentException("Invalid userId " + userId); 3478 } 3479 if (checkShell) { 3480 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3481 } 3482 if (userId == UserHandle.getUserId(callingUid)) return; 3483 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3484 if (requireFullPermission) { 3485 mContext.enforceCallingOrSelfPermission( 3486 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3487 } else { 3488 try { 3489 mContext.enforceCallingOrSelfPermission( 3490 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3491 } catch (SecurityException se) { 3492 mContext.enforceCallingOrSelfPermission( 3493 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3494 } 3495 } 3496 } 3497 } 3498 3499 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3500 if (callingUid == Process.SHELL_UID) { 3501 if (userHandle >= 0 3502 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3503 throw new SecurityException("Shell does not have permission to access user " 3504 + userHandle); 3505 } else if (userHandle < 0) { 3506 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3507 + Debug.getCallers(3)); 3508 } 3509 } 3510 } 3511 3512 private BasePermission findPermissionTreeLP(String permName) { 3513 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3514 if (permName.startsWith(bp.name) && 3515 permName.length() > bp.name.length() && 3516 permName.charAt(bp.name.length()) == '.') { 3517 return bp; 3518 } 3519 } 3520 return null; 3521 } 3522 3523 private BasePermission checkPermissionTreeLP(String permName) { 3524 if (permName != null) { 3525 BasePermission bp = findPermissionTreeLP(permName); 3526 if (bp != null) { 3527 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3528 return bp; 3529 } 3530 throw new SecurityException("Calling uid " 3531 + Binder.getCallingUid() 3532 + " is not allowed to add to permission tree " 3533 + bp.name + " owned by uid " + bp.uid); 3534 } 3535 } 3536 throw new SecurityException("No permission tree found for " + permName); 3537 } 3538 3539 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3540 if (s1 == null) { 3541 return s2 == null; 3542 } 3543 if (s2 == null) { 3544 return false; 3545 } 3546 if (s1.getClass() != s2.getClass()) { 3547 return false; 3548 } 3549 return s1.equals(s2); 3550 } 3551 3552 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3553 if (pi1.icon != pi2.icon) return false; 3554 if (pi1.logo != pi2.logo) return false; 3555 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3556 if (!compareStrings(pi1.name, pi2.name)) return false; 3557 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3558 // We'll take care of setting this one. 3559 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3560 // These are not currently stored in settings. 3561 //if (!compareStrings(pi1.group, pi2.group)) return false; 3562 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3563 //if (pi1.labelRes != pi2.labelRes) return false; 3564 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3565 return true; 3566 } 3567 3568 int permissionInfoFootprint(PermissionInfo info) { 3569 int size = info.name.length(); 3570 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3571 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3572 return size; 3573 } 3574 3575 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3576 int size = 0; 3577 for (BasePermission perm : mSettings.mPermissions.values()) { 3578 if (perm.uid == tree.uid) { 3579 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3580 } 3581 } 3582 return size; 3583 } 3584 3585 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3586 // We calculate the max size of permissions defined by this uid and throw 3587 // if that plus the size of 'info' would exceed our stated maximum. 3588 if (tree.uid != Process.SYSTEM_UID) { 3589 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3590 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3591 throw new SecurityException("Permission tree size cap exceeded"); 3592 } 3593 } 3594 } 3595 3596 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3597 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3598 throw new SecurityException("Label must be specified in permission"); 3599 } 3600 BasePermission tree = checkPermissionTreeLP(info.name); 3601 BasePermission bp = mSettings.mPermissions.get(info.name); 3602 boolean added = bp == null; 3603 boolean changed = true; 3604 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3605 if (added) { 3606 enforcePermissionCapLocked(info, tree); 3607 bp = new BasePermission(info.name, tree.sourcePackage, 3608 BasePermission.TYPE_DYNAMIC); 3609 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3610 throw new SecurityException( 3611 "Not allowed to modify non-dynamic permission " 3612 + info.name); 3613 } else { 3614 if (bp.protectionLevel == fixedLevel 3615 && bp.perm.owner.equals(tree.perm.owner) 3616 && bp.uid == tree.uid 3617 && comparePermissionInfos(bp.perm.info, info)) { 3618 changed = false; 3619 } 3620 } 3621 bp.protectionLevel = fixedLevel; 3622 info = new PermissionInfo(info); 3623 info.protectionLevel = fixedLevel; 3624 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3625 bp.perm.info.packageName = tree.perm.info.packageName; 3626 bp.uid = tree.uid; 3627 if (added) { 3628 mSettings.mPermissions.put(info.name, bp); 3629 } 3630 if (changed) { 3631 if (!async) { 3632 mSettings.writeLPr(); 3633 } else { 3634 scheduleWriteSettingsLocked(); 3635 } 3636 } 3637 return added; 3638 } 3639 3640 @Override 3641 public boolean addPermission(PermissionInfo info) { 3642 synchronized (mPackages) { 3643 return addPermissionLocked(info, false); 3644 } 3645 } 3646 3647 @Override 3648 public boolean addPermissionAsync(PermissionInfo info) { 3649 synchronized (mPackages) { 3650 return addPermissionLocked(info, true); 3651 } 3652 } 3653 3654 @Override 3655 public void removePermission(String name) { 3656 synchronized (mPackages) { 3657 checkPermissionTreeLP(name); 3658 BasePermission bp = mSettings.mPermissions.get(name); 3659 if (bp != null) { 3660 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3661 throw new SecurityException( 3662 "Not allowed to modify non-dynamic permission " 3663 + name); 3664 } 3665 mSettings.mPermissions.remove(name); 3666 mSettings.writeLPr(); 3667 } 3668 } 3669 } 3670 3671 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3672 BasePermission bp) { 3673 int index = pkg.requestedPermissions.indexOf(bp.name); 3674 if (index == -1) { 3675 throw new SecurityException("Package " + pkg.packageName 3676 + " has not requested permission " + bp.name); 3677 } 3678 if (!bp.isRuntime() && !bp.isDevelopment()) { 3679 throw new SecurityException("Permission " + bp.name 3680 + " is not a changeable permission type"); 3681 } 3682 } 3683 3684 @Override 3685 public void grantRuntimePermission(String packageName, String name, final int userId) { 3686 if (!sUserManager.exists(userId)) { 3687 Log.e(TAG, "No such user:" + userId); 3688 return; 3689 } 3690 3691 mContext.enforceCallingOrSelfPermission( 3692 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3693 "grantRuntimePermission"); 3694 3695 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3696 "grantRuntimePermission"); 3697 3698 final int uid; 3699 final SettingBase sb; 3700 3701 synchronized (mPackages) { 3702 final PackageParser.Package pkg = mPackages.get(packageName); 3703 if (pkg == null) { 3704 throw new IllegalArgumentException("Unknown package: " + packageName); 3705 } 3706 3707 final BasePermission bp = mSettings.mPermissions.get(name); 3708 if (bp == null) { 3709 throw new IllegalArgumentException("Unknown permission: " + name); 3710 } 3711 3712 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3713 3714 // If a permission review is required for legacy apps we represent 3715 // their permissions as always granted runtime ones since we need 3716 // to keep the review required permission flag per user while an 3717 // install permission's state is shared across all users. 3718 if (Build.PERMISSIONS_REVIEW_REQUIRED 3719 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3720 && bp.isRuntime()) { 3721 return; 3722 } 3723 3724 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3725 sb = (SettingBase) pkg.mExtras; 3726 if (sb == null) { 3727 throw new IllegalArgumentException("Unknown package: " + packageName); 3728 } 3729 3730 final PermissionsState permissionsState = sb.getPermissionsState(); 3731 3732 final int flags = permissionsState.getPermissionFlags(name, userId); 3733 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3734 throw new SecurityException("Cannot grant system fixed permission " 3735 + name + " for package " + packageName); 3736 } 3737 3738 if (bp.isDevelopment()) { 3739 // Development permissions must be handled specially, since they are not 3740 // normal runtime permissions. For now they apply to all users. 3741 if (permissionsState.grantInstallPermission(bp) != 3742 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3743 scheduleWriteSettingsLocked(); 3744 } 3745 return; 3746 } 3747 3748 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3749 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3750 return; 3751 } 3752 3753 final int result = permissionsState.grantRuntimePermission(bp, userId); 3754 switch (result) { 3755 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3756 return; 3757 } 3758 3759 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3760 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3761 mHandler.post(new Runnable() { 3762 @Override 3763 public void run() { 3764 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3765 } 3766 }); 3767 } 3768 break; 3769 } 3770 3771 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3772 3773 // Not critical if that is lost - app has to request again. 3774 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3775 } 3776 3777 // Only need to do this if user is initialized. Otherwise it's a new user 3778 // and there are no processes running as the user yet and there's no need 3779 // to make an expensive call to remount processes for the changed permissions. 3780 if (READ_EXTERNAL_STORAGE.equals(name) 3781 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3782 final long token = Binder.clearCallingIdentity(); 3783 try { 3784 if (sUserManager.isInitialized(userId)) { 3785 MountServiceInternal mountServiceInternal = LocalServices.getService( 3786 MountServiceInternal.class); 3787 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3788 } 3789 } finally { 3790 Binder.restoreCallingIdentity(token); 3791 } 3792 } 3793 } 3794 3795 @Override 3796 public void revokeRuntimePermission(String packageName, String name, int userId) { 3797 if (!sUserManager.exists(userId)) { 3798 Log.e(TAG, "No such user:" + userId); 3799 return; 3800 } 3801 3802 mContext.enforceCallingOrSelfPermission( 3803 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3804 "revokeRuntimePermission"); 3805 3806 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3807 "revokeRuntimePermission"); 3808 3809 final int appId; 3810 3811 synchronized (mPackages) { 3812 final PackageParser.Package pkg = mPackages.get(packageName); 3813 if (pkg == null) { 3814 throw new IllegalArgumentException("Unknown package: " + packageName); 3815 } 3816 3817 final BasePermission bp = mSettings.mPermissions.get(name); 3818 if (bp == null) { 3819 throw new IllegalArgumentException("Unknown permission: " + name); 3820 } 3821 3822 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3823 3824 // If a permission review is required for legacy apps we represent 3825 // their permissions as always granted runtime ones since we need 3826 // to keep the review required permission flag per user while an 3827 // install permission's state is shared across all users. 3828 if (Build.PERMISSIONS_REVIEW_REQUIRED 3829 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3830 && bp.isRuntime()) { 3831 return; 3832 } 3833 3834 SettingBase sb = (SettingBase) pkg.mExtras; 3835 if (sb == null) { 3836 throw new IllegalArgumentException("Unknown package: " + packageName); 3837 } 3838 3839 final PermissionsState permissionsState = sb.getPermissionsState(); 3840 3841 final int flags = permissionsState.getPermissionFlags(name, userId); 3842 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3843 throw new SecurityException("Cannot revoke system fixed permission " 3844 + name + " for package " + packageName); 3845 } 3846 3847 if (bp.isDevelopment()) { 3848 // Development permissions must be handled specially, since they are not 3849 // normal runtime permissions. For now they apply to all users. 3850 if (permissionsState.revokeInstallPermission(bp) != 3851 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3852 scheduleWriteSettingsLocked(); 3853 } 3854 return; 3855 } 3856 3857 if (permissionsState.revokeRuntimePermission(bp, userId) == 3858 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3859 return; 3860 } 3861 3862 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3863 3864 // Critical, after this call app should never have the permission. 3865 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3866 3867 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3868 } 3869 3870 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3871 } 3872 3873 @Override 3874 public void resetRuntimePermissions() { 3875 mContext.enforceCallingOrSelfPermission( 3876 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3877 "revokeRuntimePermission"); 3878 3879 int callingUid = Binder.getCallingUid(); 3880 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3881 mContext.enforceCallingOrSelfPermission( 3882 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3883 "resetRuntimePermissions"); 3884 } 3885 3886 synchronized (mPackages) { 3887 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3888 for (int userId : UserManagerService.getInstance().getUserIds()) { 3889 final int packageCount = mPackages.size(); 3890 for (int i = 0; i < packageCount; i++) { 3891 PackageParser.Package pkg = mPackages.valueAt(i); 3892 if (!(pkg.mExtras instanceof PackageSetting)) { 3893 continue; 3894 } 3895 PackageSetting ps = (PackageSetting) pkg.mExtras; 3896 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3897 } 3898 } 3899 } 3900 } 3901 3902 @Override 3903 public int getPermissionFlags(String name, String packageName, int userId) { 3904 if (!sUserManager.exists(userId)) { 3905 return 0; 3906 } 3907 3908 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3909 3910 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3911 "getPermissionFlags"); 3912 3913 synchronized (mPackages) { 3914 final PackageParser.Package pkg = mPackages.get(packageName); 3915 if (pkg == null) { 3916 throw new IllegalArgumentException("Unknown package: " + packageName); 3917 } 3918 3919 final BasePermission bp = mSettings.mPermissions.get(name); 3920 if (bp == null) { 3921 throw new IllegalArgumentException("Unknown permission: " + name); 3922 } 3923 3924 SettingBase sb = (SettingBase) pkg.mExtras; 3925 if (sb == null) { 3926 throw new IllegalArgumentException("Unknown package: " + packageName); 3927 } 3928 3929 PermissionsState permissionsState = sb.getPermissionsState(); 3930 return permissionsState.getPermissionFlags(name, userId); 3931 } 3932 } 3933 3934 @Override 3935 public void updatePermissionFlags(String name, String packageName, int flagMask, 3936 int flagValues, int userId) { 3937 if (!sUserManager.exists(userId)) { 3938 return; 3939 } 3940 3941 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3942 3943 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3944 "updatePermissionFlags"); 3945 3946 // Only the system can change these flags and nothing else. 3947 if (getCallingUid() != Process.SYSTEM_UID) { 3948 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3949 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3950 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3951 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3952 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 3953 } 3954 3955 synchronized (mPackages) { 3956 final PackageParser.Package pkg = mPackages.get(packageName); 3957 if (pkg == null) { 3958 throw new IllegalArgumentException("Unknown package: " + packageName); 3959 } 3960 3961 final BasePermission bp = mSettings.mPermissions.get(name); 3962 if (bp == null) { 3963 throw new IllegalArgumentException("Unknown permission: " + name); 3964 } 3965 3966 SettingBase sb = (SettingBase) pkg.mExtras; 3967 if (sb == null) { 3968 throw new IllegalArgumentException("Unknown package: " + packageName); 3969 } 3970 3971 PermissionsState permissionsState = sb.getPermissionsState(); 3972 3973 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3974 3975 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3976 // Install and runtime permissions are stored in different places, 3977 // so figure out what permission changed and persist the change. 3978 if (permissionsState.getInstallPermissionState(name) != null) { 3979 scheduleWriteSettingsLocked(); 3980 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3981 || hadState) { 3982 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3983 } 3984 } 3985 } 3986 } 3987 3988 /** 3989 * Update the permission flags for all packages and runtime permissions of a user in order 3990 * to allow device or profile owner to remove POLICY_FIXED. 3991 */ 3992 @Override 3993 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3994 if (!sUserManager.exists(userId)) { 3995 return; 3996 } 3997 3998 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3999 4000 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4001 "updatePermissionFlagsForAllApps"); 4002 4003 // Only the system can change system fixed flags. 4004 if (getCallingUid() != Process.SYSTEM_UID) { 4005 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4006 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4007 } 4008 4009 synchronized (mPackages) { 4010 boolean changed = false; 4011 final int packageCount = mPackages.size(); 4012 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4013 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4014 SettingBase sb = (SettingBase) pkg.mExtras; 4015 if (sb == null) { 4016 continue; 4017 } 4018 PermissionsState permissionsState = sb.getPermissionsState(); 4019 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4020 userId, flagMask, flagValues); 4021 } 4022 if (changed) { 4023 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4024 } 4025 } 4026 } 4027 4028 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4029 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4030 != PackageManager.PERMISSION_GRANTED 4031 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4032 != PackageManager.PERMISSION_GRANTED) { 4033 throw new SecurityException(message + " requires " 4034 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4035 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4036 } 4037 } 4038 4039 @Override 4040 public boolean shouldShowRequestPermissionRationale(String permissionName, 4041 String packageName, int userId) { 4042 if (UserHandle.getCallingUserId() != userId) { 4043 mContext.enforceCallingPermission( 4044 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4045 "canShowRequestPermissionRationale for user " + userId); 4046 } 4047 4048 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4049 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4050 return false; 4051 } 4052 4053 if (checkPermission(permissionName, packageName, userId) 4054 == PackageManager.PERMISSION_GRANTED) { 4055 return false; 4056 } 4057 4058 final int flags; 4059 4060 final long identity = Binder.clearCallingIdentity(); 4061 try { 4062 flags = getPermissionFlags(permissionName, 4063 packageName, userId); 4064 } finally { 4065 Binder.restoreCallingIdentity(identity); 4066 } 4067 4068 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4069 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4070 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4071 4072 if ((flags & fixedFlags) != 0) { 4073 return false; 4074 } 4075 4076 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4077 } 4078 4079 @Override 4080 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4081 mContext.enforceCallingOrSelfPermission( 4082 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4083 "addOnPermissionsChangeListener"); 4084 4085 synchronized (mPackages) { 4086 mOnPermissionChangeListeners.addListenerLocked(listener); 4087 } 4088 } 4089 4090 @Override 4091 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4092 synchronized (mPackages) { 4093 mOnPermissionChangeListeners.removeListenerLocked(listener); 4094 } 4095 } 4096 4097 @Override 4098 public boolean isProtectedBroadcast(String actionName) { 4099 synchronized (mPackages) { 4100 if (mProtectedBroadcasts.contains(actionName)) { 4101 return true; 4102 } else if (actionName != null) { 4103 // TODO: remove these terrible hacks 4104 if (actionName.startsWith("android.net.netmon.lingerExpired") 4105 || actionName.startsWith("com.android.server.sip.SipWakeupTimer")) { 4106 return true; 4107 } 4108 } 4109 } 4110 return false; 4111 } 4112 4113 @Override 4114 public int checkSignatures(String pkg1, String pkg2) { 4115 synchronized (mPackages) { 4116 final PackageParser.Package p1 = mPackages.get(pkg1); 4117 final PackageParser.Package p2 = mPackages.get(pkg2); 4118 if (p1 == null || p1.mExtras == null 4119 || p2 == null || p2.mExtras == null) { 4120 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4121 } 4122 return compareSignatures(p1.mSignatures, p2.mSignatures); 4123 } 4124 } 4125 4126 @Override 4127 public int checkUidSignatures(int uid1, int uid2) { 4128 // Map to base uids. 4129 uid1 = UserHandle.getAppId(uid1); 4130 uid2 = UserHandle.getAppId(uid2); 4131 // reader 4132 synchronized (mPackages) { 4133 Signature[] s1; 4134 Signature[] s2; 4135 Object obj = mSettings.getUserIdLPr(uid1); 4136 if (obj != null) { 4137 if (obj instanceof SharedUserSetting) { 4138 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4139 } else if (obj instanceof PackageSetting) { 4140 s1 = ((PackageSetting)obj).signatures.mSignatures; 4141 } else { 4142 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4143 } 4144 } else { 4145 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4146 } 4147 obj = mSettings.getUserIdLPr(uid2); 4148 if (obj != null) { 4149 if (obj instanceof SharedUserSetting) { 4150 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4151 } else if (obj instanceof PackageSetting) { 4152 s2 = ((PackageSetting)obj).signatures.mSignatures; 4153 } else { 4154 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4155 } 4156 } else { 4157 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4158 } 4159 return compareSignatures(s1, s2); 4160 } 4161 } 4162 4163 private void killUid(int appId, int userId, String reason) { 4164 final long identity = Binder.clearCallingIdentity(); 4165 try { 4166 IActivityManager am = ActivityManagerNative.getDefault(); 4167 if (am != null) { 4168 try { 4169 am.killUid(appId, userId, reason); 4170 } catch (RemoteException e) { 4171 /* ignore - same process */ 4172 } 4173 } 4174 } finally { 4175 Binder.restoreCallingIdentity(identity); 4176 } 4177 } 4178 4179 /** 4180 * Compares two sets of signatures. Returns: 4181 * <br /> 4182 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4183 * <br /> 4184 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4185 * <br /> 4186 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4187 * <br /> 4188 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4189 * <br /> 4190 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4191 */ 4192 static int compareSignatures(Signature[] s1, Signature[] s2) { 4193 if (s1 == null) { 4194 return s2 == null 4195 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4196 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4197 } 4198 4199 if (s2 == null) { 4200 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4201 } 4202 4203 if (s1.length != s2.length) { 4204 return PackageManager.SIGNATURE_NO_MATCH; 4205 } 4206 4207 // Since both signature sets are of size 1, we can compare without HashSets. 4208 if (s1.length == 1) { 4209 return s1[0].equals(s2[0]) ? 4210 PackageManager.SIGNATURE_MATCH : 4211 PackageManager.SIGNATURE_NO_MATCH; 4212 } 4213 4214 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4215 for (Signature sig : s1) { 4216 set1.add(sig); 4217 } 4218 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4219 for (Signature sig : s2) { 4220 set2.add(sig); 4221 } 4222 // Make sure s2 contains all signatures in s1. 4223 if (set1.equals(set2)) { 4224 return PackageManager.SIGNATURE_MATCH; 4225 } 4226 return PackageManager.SIGNATURE_NO_MATCH; 4227 } 4228 4229 /** 4230 * If the database version for this type of package (internal storage or 4231 * external storage) is less than the version where package signatures 4232 * were updated, return true. 4233 */ 4234 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4235 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4236 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4237 } 4238 4239 /** 4240 * Used for backward compatibility to make sure any packages with 4241 * certificate chains get upgraded to the new style. {@code existingSigs} 4242 * will be in the old format (since they were stored on disk from before the 4243 * system upgrade) and {@code scannedSigs} will be in the newer format. 4244 */ 4245 private int compareSignaturesCompat(PackageSignatures existingSigs, 4246 PackageParser.Package scannedPkg) { 4247 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4248 return PackageManager.SIGNATURE_NO_MATCH; 4249 } 4250 4251 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4252 for (Signature sig : existingSigs.mSignatures) { 4253 existingSet.add(sig); 4254 } 4255 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4256 for (Signature sig : scannedPkg.mSignatures) { 4257 try { 4258 Signature[] chainSignatures = sig.getChainSignatures(); 4259 for (Signature chainSig : chainSignatures) { 4260 scannedCompatSet.add(chainSig); 4261 } 4262 } catch (CertificateEncodingException e) { 4263 scannedCompatSet.add(sig); 4264 } 4265 } 4266 /* 4267 * Make sure the expanded scanned set contains all signatures in the 4268 * existing one. 4269 */ 4270 if (scannedCompatSet.equals(existingSet)) { 4271 // Migrate the old signatures to the new scheme. 4272 existingSigs.assignSignatures(scannedPkg.mSignatures); 4273 // The new KeySets will be re-added later in the scanning process. 4274 synchronized (mPackages) { 4275 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4276 } 4277 return PackageManager.SIGNATURE_MATCH; 4278 } 4279 return PackageManager.SIGNATURE_NO_MATCH; 4280 } 4281 4282 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4283 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4284 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4285 } 4286 4287 private int compareSignaturesRecover(PackageSignatures existingSigs, 4288 PackageParser.Package scannedPkg) { 4289 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4290 return PackageManager.SIGNATURE_NO_MATCH; 4291 } 4292 4293 String msg = null; 4294 try { 4295 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4296 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4297 + scannedPkg.packageName); 4298 return PackageManager.SIGNATURE_MATCH; 4299 } 4300 } catch (CertificateException e) { 4301 msg = e.getMessage(); 4302 } 4303 4304 logCriticalInfo(Log.INFO, 4305 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4306 return PackageManager.SIGNATURE_NO_MATCH; 4307 } 4308 4309 @Override 4310 public String[] getPackagesForUid(int uid) { 4311 uid = UserHandle.getAppId(uid); 4312 // reader 4313 synchronized (mPackages) { 4314 Object obj = mSettings.getUserIdLPr(uid); 4315 if (obj instanceof SharedUserSetting) { 4316 final SharedUserSetting sus = (SharedUserSetting) obj; 4317 final int N = sus.packages.size(); 4318 final String[] res = new String[N]; 4319 final Iterator<PackageSetting> it = sus.packages.iterator(); 4320 int i = 0; 4321 while (it.hasNext()) { 4322 res[i++] = it.next().name; 4323 } 4324 return res; 4325 } else if (obj instanceof PackageSetting) { 4326 final PackageSetting ps = (PackageSetting) obj; 4327 return new String[] { ps.name }; 4328 } 4329 } 4330 return null; 4331 } 4332 4333 @Override 4334 public String getNameForUid(int uid) { 4335 // reader 4336 synchronized (mPackages) { 4337 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4338 if (obj instanceof SharedUserSetting) { 4339 final SharedUserSetting sus = (SharedUserSetting) obj; 4340 return sus.name + ":" + sus.userId; 4341 } else if (obj instanceof PackageSetting) { 4342 final PackageSetting ps = (PackageSetting) obj; 4343 return ps.name; 4344 } 4345 } 4346 return null; 4347 } 4348 4349 @Override 4350 public int getUidForSharedUser(String sharedUserName) { 4351 if(sharedUserName == null) { 4352 return -1; 4353 } 4354 // reader 4355 synchronized (mPackages) { 4356 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4357 if (suid == null) { 4358 return -1; 4359 } 4360 return suid.userId; 4361 } 4362 } 4363 4364 @Override 4365 public int getFlagsForUid(int uid) { 4366 synchronized (mPackages) { 4367 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4368 if (obj instanceof SharedUserSetting) { 4369 final SharedUserSetting sus = (SharedUserSetting) obj; 4370 return sus.pkgFlags; 4371 } else if (obj instanceof PackageSetting) { 4372 final PackageSetting ps = (PackageSetting) obj; 4373 return ps.pkgFlags; 4374 } 4375 } 4376 return 0; 4377 } 4378 4379 @Override 4380 public int getPrivateFlagsForUid(int uid) { 4381 synchronized (mPackages) { 4382 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4383 if (obj instanceof SharedUserSetting) { 4384 final SharedUserSetting sus = (SharedUserSetting) obj; 4385 return sus.pkgPrivateFlags; 4386 } else if (obj instanceof PackageSetting) { 4387 final PackageSetting ps = (PackageSetting) obj; 4388 return ps.pkgPrivateFlags; 4389 } 4390 } 4391 return 0; 4392 } 4393 4394 @Override 4395 public boolean isUidPrivileged(int uid) { 4396 uid = UserHandle.getAppId(uid); 4397 // reader 4398 synchronized (mPackages) { 4399 Object obj = mSettings.getUserIdLPr(uid); 4400 if (obj instanceof SharedUserSetting) { 4401 final SharedUserSetting sus = (SharedUserSetting) obj; 4402 final Iterator<PackageSetting> it = sus.packages.iterator(); 4403 while (it.hasNext()) { 4404 if (it.next().isPrivileged()) { 4405 return true; 4406 } 4407 } 4408 } else if (obj instanceof PackageSetting) { 4409 final PackageSetting ps = (PackageSetting) obj; 4410 return ps.isPrivileged(); 4411 } 4412 } 4413 return false; 4414 } 4415 4416 @Override 4417 public String[] getAppOpPermissionPackages(String permissionName) { 4418 synchronized (mPackages) { 4419 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4420 if (pkgs == null) { 4421 return null; 4422 } 4423 return pkgs.toArray(new String[pkgs.size()]); 4424 } 4425 } 4426 4427 @Override 4428 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4429 int flags, int userId) { 4430 if (!sUserManager.exists(userId)) return null; 4431 flags = updateFlagsForResolve(flags, userId, intent); 4432 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4433 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4434 final ResolveInfo bestChoice = 4435 chooseBestActivity(intent, resolvedType, flags, query, userId); 4436 4437 if (isEphemeralAllowed(intent, query, userId)) { 4438 final EphemeralResolveInfo ai = 4439 getEphemeralResolveInfo(intent, resolvedType, userId); 4440 if (ai != null) { 4441 if (DEBUG_EPHEMERAL) { 4442 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4443 } 4444 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4445 bestChoice.ephemeralResolveInfo = ai; 4446 } 4447 } 4448 return bestChoice; 4449 } 4450 4451 @Override 4452 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4453 IntentFilter filter, int match, ComponentName activity) { 4454 final int userId = UserHandle.getCallingUserId(); 4455 if (DEBUG_PREFERRED) { 4456 Log.v(TAG, "setLastChosenActivity intent=" + intent 4457 + " resolvedType=" + resolvedType 4458 + " flags=" + flags 4459 + " filter=" + filter 4460 + " match=" + match 4461 + " activity=" + activity); 4462 filter.dump(new PrintStreamPrinter(System.out), " "); 4463 } 4464 intent.setComponent(null); 4465 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4466 // Find any earlier preferred or last chosen entries and nuke them 4467 findPreferredActivity(intent, resolvedType, 4468 flags, query, 0, false, true, false, userId); 4469 // Add the new activity as the last chosen for this filter 4470 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4471 "Setting last chosen"); 4472 } 4473 4474 @Override 4475 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4476 final int userId = UserHandle.getCallingUserId(); 4477 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4478 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4479 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4480 false, false, false, userId); 4481 } 4482 4483 4484 private boolean isEphemeralAllowed( 4485 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4486 // Short circuit and return early if possible. 4487 if (DISABLE_EPHEMERAL_APPS) { 4488 return false; 4489 } 4490 final int callingUser = UserHandle.getCallingUserId(); 4491 if (callingUser != UserHandle.USER_SYSTEM) { 4492 return false; 4493 } 4494 if (mEphemeralResolverConnection == null) { 4495 return false; 4496 } 4497 if (intent.getComponent() != null) { 4498 return false; 4499 } 4500 if (intent.getPackage() != null) { 4501 return false; 4502 } 4503 final boolean isWebUri = hasWebURI(intent); 4504 if (!isWebUri) { 4505 return false; 4506 } 4507 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4508 synchronized (mPackages) { 4509 final int count = resolvedActivites.size(); 4510 for (int n = 0; n < count; n++) { 4511 ResolveInfo info = resolvedActivites.get(n); 4512 String packageName = info.activityInfo.packageName; 4513 PackageSetting ps = mSettings.mPackages.get(packageName); 4514 if (ps != null) { 4515 // Try to get the status from User settings first 4516 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4517 int status = (int) (packedStatus >> 32); 4518 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4519 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4520 if (DEBUG_EPHEMERAL) { 4521 Slog.v(TAG, "DENY ephemeral apps;" 4522 + " pkg: " + packageName + ", status: " + status); 4523 } 4524 return false; 4525 } 4526 } 4527 } 4528 } 4529 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4530 return true; 4531 } 4532 4533 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4534 int userId) { 4535 MessageDigest digest = null; 4536 try { 4537 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4538 } catch (NoSuchAlgorithmException e) { 4539 // If we can't create a digest, ignore ephemeral apps. 4540 return null; 4541 } 4542 4543 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4544 final byte[] digestBytes = digest.digest(hostBytes); 4545 int shaPrefix = 4546 digestBytes[0] << 24 4547 | digestBytes[1] << 16 4548 | digestBytes[2] << 8 4549 | digestBytes[3] << 0; 4550 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4551 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4552 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4553 // No hash prefix match; there are no ephemeral apps for this domain. 4554 return null; 4555 } 4556 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4557 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4558 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4559 continue; 4560 } 4561 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4562 // No filters; this should never happen. 4563 if (filters.isEmpty()) { 4564 continue; 4565 } 4566 // We have a domain match; resolve the filters to see if anything matches. 4567 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4568 for (int j = filters.size() - 1; j >= 0; --j) { 4569 final EphemeralResolveIntentInfo intentInfo = 4570 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4571 ephemeralResolver.addFilter(intentInfo); 4572 } 4573 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4574 intent, resolvedType, false /*defaultOnly*/, userId); 4575 if (!matchedResolveInfoList.isEmpty()) { 4576 return matchedResolveInfoList.get(0); 4577 } 4578 } 4579 // Hash or filter mis-match; no ephemeral apps for this domain. 4580 return null; 4581 } 4582 4583 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4584 int flags, List<ResolveInfo> query, int userId) { 4585 if (query != null) { 4586 final int N = query.size(); 4587 if (N == 1) { 4588 return query.get(0); 4589 } else if (N > 1) { 4590 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4591 // If there is more than one activity with the same priority, 4592 // then let the user decide between them. 4593 ResolveInfo r0 = query.get(0); 4594 ResolveInfo r1 = query.get(1); 4595 if (DEBUG_INTENT_MATCHING || debug) { 4596 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4597 + r1.activityInfo.name + "=" + r1.priority); 4598 } 4599 // If the first activity has a higher priority, or a different 4600 // default, then it is always desirable to pick it. 4601 if (r0.priority != r1.priority 4602 || r0.preferredOrder != r1.preferredOrder 4603 || r0.isDefault != r1.isDefault) { 4604 return query.get(0); 4605 } 4606 // If we have saved a preference for a preferred activity for 4607 // this Intent, use that. 4608 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4609 flags, query, r0.priority, true, false, debug, userId); 4610 if (ri != null) { 4611 return ri; 4612 } 4613 ri = new ResolveInfo(mResolveInfo); 4614 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4615 ri.activityInfo.applicationInfo = new ApplicationInfo( 4616 ri.activityInfo.applicationInfo); 4617 if (userId != 0) { 4618 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4619 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4620 } 4621 // Make sure that the resolver is displayable in car mode 4622 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4623 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4624 return ri; 4625 } 4626 } 4627 return null; 4628 } 4629 4630 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4631 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4632 final int N = query.size(); 4633 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4634 .get(userId); 4635 // Get the list of persistent preferred activities that handle the intent 4636 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4637 List<PersistentPreferredActivity> pprefs = ppir != null 4638 ? ppir.queryIntent(intent, resolvedType, 4639 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4640 : null; 4641 if (pprefs != null && pprefs.size() > 0) { 4642 final int M = pprefs.size(); 4643 for (int i=0; i<M; i++) { 4644 final PersistentPreferredActivity ppa = pprefs.get(i); 4645 if (DEBUG_PREFERRED || debug) { 4646 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4647 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4648 + "\n component=" + ppa.mComponent); 4649 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4650 } 4651 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4652 flags | MATCH_DISABLED_COMPONENTS, userId); 4653 if (DEBUG_PREFERRED || debug) { 4654 Slog.v(TAG, "Found persistent preferred activity:"); 4655 if (ai != null) { 4656 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4657 } else { 4658 Slog.v(TAG, " null"); 4659 } 4660 } 4661 if (ai == null) { 4662 // This previously registered persistent preferred activity 4663 // component is no longer known. Ignore it and do NOT remove it. 4664 continue; 4665 } 4666 for (int j=0; j<N; j++) { 4667 final ResolveInfo ri = query.get(j); 4668 if (!ri.activityInfo.applicationInfo.packageName 4669 .equals(ai.applicationInfo.packageName)) { 4670 continue; 4671 } 4672 if (!ri.activityInfo.name.equals(ai.name)) { 4673 continue; 4674 } 4675 // Found a persistent preference that can handle the intent. 4676 if (DEBUG_PREFERRED || debug) { 4677 Slog.v(TAG, "Returning persistent preferred activity: " + 4678 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4679 } 4680 return ri; 4681 } 4682 } 4683 } 4684 return null; 4685 } 4686 4687 // TODO: handle preferred activities missing while user has amnesia 4688 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4689 List<ResolveInfo> query, int priority, boolean always, 4690 boolean removeMatches, boolean debug, int userId) { 4691 if (!sUserManager.exists(userId)) return null; 4692 flags = updateFlagsForResolve(flags, userId, intent); 4693 // writer 4694 synchronized (mPackages) { 4695 if (intent.getSelector() != null) { 4696 intent = intent.getSelector(); 4697 } 4698 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4699 4700 // Try to find a matching persistent preferred activity. 4701 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4702 debug, userId); 4703 4704 // If a persistent preferred activity matched, use it. 4705 if (pri != null) { 4706 return pri; 4707 } 4708 4709 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4710 // Get the list of preferred activities that handle the intent 4711 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4712 List<PreferredActivity> prefs = pir != null 4713 ? pir.queryIntent(intent, resolvedType, 4714 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4715 : null; 4716 if (prefs != null && prefs.size() > 0) { 4717 boolean changed = false; 4718 try { 4719 // First figure out how good the original match set is. 4720 // We will only allow preferred activities that came 4721 // from the same match quality. 4722 int match = 0; 4723 4724 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4725 4726 final int N = query.size(); 4727 for (int j=0; j<N; j++) { 4728 final ResolveInfo ri = query.get(j); 4729 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4730 + ": 0x" + Integer.toHexString(match)); 4731 if (ri.match > match) { 4732 match = ri.match; 4733 } 4734 } 4735 4736 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4737 + Integer.toHexString(match)); 4738 4739 match &= IntentFilter.MATCH_CATEGORY_MASK; 4740 final int M = prefs.size(); 4741 for (int i=0; i<M; i++) { 4742 final PreferredActivity pa = prefs.get(i); 4743 if (DEBUG_PREFERRED || debug) { 4744 Slog.v(TAG, "Checking PreferredActivity ds=" 4745 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4746 + "\n component=" + pa.mPref.mComponent); 4747 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4748 } 4749 if (pa.mPref.mMatch != match) { 4750 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4751 + Integer.toHexString(pa.mPref.mMatch)); 4752 continue; 4753 } 4754 // If it's not an "always" type preferred activity and that's what we're 4755 // looking for, skip it. 4756 if (always && !pa.mPref.mAlways) { 4757 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4758 continue; 4759 } 4760 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4761 flags | MATCH_DISABLED_COMPONENTS, userId); 4762 if (DEBUG_PREFERRED || debug) { 4763 Slog.v(TAG, "Found preferred activity:"); 4764 if (ai != null) { 4765 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4766 } else { 4767 Slog.v(TAG, " null"); 4768 } 4769 } 4770 if (ai == null) { 4771 // This previously registered preferred activity 4772 // component is no longer known. Most likely an update 4773 // to the app was installed and in the new version this 4774 // component no longer exists. Clean it up by removing 4775 // it from the preferred activities list, and skip it. 4776 Slog.w(TAG, "Removing dangling preferred activity: " 4777 + pa.mPref.mComponent); 4778 pir.removeFilter(pa); 4779 changed = true; 4780 continue; 4781 } 4782 for (int j=0; j<N; j++) { 4783 final ResolveInfo ri = query.get(j); 4784 if (!ri.activityInfo.applicationInfo.packageName 4785 .equals(ai.applicationInfo.packageName)) { 4786 continue; 4787 } 4788 if (!ri.activityInfo.name.equals(ai.name)) { 4789 continue; 4790 } 4791 4792 if (removeMatches) { 4793 pir.removeFilter(pa); 4794 changed = true; 4795 if (DEBUG_PREFERRED) { 4796 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4797 } 4798 break; 4799 } 4800 4801 // Okay we found a previously set preferred or last chosen app. 4802 // If the result set is different from when this 4803 // was created, we need to clear it and re-ask the 4804 // user their preference, if we're looking for an "always" type entry. 4805 if (always && !pa.mPref.sameSet(query)) { 4806 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4807 + intent + " type " + resolvedType); 4808 if (DEBUG_PREFERRED) { 4809 Slog.v(TAG, "Removing preferred activity since set changed " 4810 + pa.mPref.mComponent); 4811 } 4812 pir.removeFilter(pa); 4813 // Re-add the filter as a "last chosen" entry (!always) 4814 PreferredActivity lastChosen = new PreferredActivity( 4815 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4816 pir.addFilter(lastChosen); 4817 changed = true; 4818 return null; 4819 } 4820 4821 // Yay! Either the set matched or we're looking for the last chosen 4822 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4823 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4824 return ri; 4825 } 4826 } 4827 } finally { 4828 if (changed) { 4829 if (DEBUG_PREFERRED) { 4830 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4831 } 4832 scheduleWritePackageRestrictionsLocked(userId); 4833 } 4834 } 4835 } 4836 } 4837 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4838 return null; 4839 } 4840 4841 /* 4842 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4843 */ 4844 @Override 4845 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4846 int targetUserId) { 4847 mContext.enforceCallingOrSelfPermission( 4848 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4849 List<CrossProfileIntentFilter> matches = 4850 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4851 if (matches != null) { 4852 int size = matches.size(); 4853 for (int i = 0; i < size; i++) { 4854 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4855 } 4856 } 4857 if (hasWebURI(intent)) { 4858 // cross-profile app linking works only towards the parent. 4859 final UserInfo parent = getProfileParent(sourceUserId); 4860 synchronized(mPackages) { 4861 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4862 intent, resolvedType, 0, sourceUserId, parent.id); 4863 return xpDomainInfo != null; 4864 } 4865 } 4866 return false; 4867 } 4868 4869 private UserInfo getProfileParent(int userId) { 4870 final long identity = Binder.clearCallingIdentity(); 4871 try { 4872 return sUserManager.getProfileParent(userId); 4873 } finally { 4874 Binder.restoreCallingIdentity(identity); 4875 } 4876 } 4877 4878 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4879 String resolvedType, int userId) { 4880 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4881 if (resolver != null) { 4882 return resolver.queryIntent(intent, resolvedType, false, userId); 4883 } 4884 return null; 4885 } 4886 4887 @Override 4888 public List<ResolveInfo> queryIntentActivities(Intent intent, 4889 String resolvedType, int flags, int userId) { 4890 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4891 flags = updateFlagsForResolve(flags, userId, intent); 4892 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4893 ComponentName comp = intent.getComponent(); 4894 if (comp == null) { 4895 if (intent.getSelector() != null) { 4896 intent = intent.getSelector(); 4897 comp = intent.getComponent(); 4898 } 4899 } 4900 4901 if (comp != null) { 4902 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4903 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4904 if (ai != null) { 4905 final ResolveInfo ri = new ResolveInfo(); 4906 ri.activityInfo = ai; 4907 list.add(ri); 4908 } 4909 return list; 4910 } 4911 4912 // reader 4913 synchronized (mPackages) { 4914 final String pkgName = intent.getPackage(); 4915 if (pkgName == null) { 4916 List<CrossProfileIntentFilter> matchingFilters = 4917 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4918 // Check for results that need to skip the current profile. 4919 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4920 resolvedType, flags, userId); 4921 if (xpResolveInfo != null) { 4922 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4923 result.add(xpResolveInfo); 4924 return filterIfNotSystemUser(result, userId); 4925 } 4926 4927 // Check for results in the current profile. 4928 List<ResolveInfo> result = mActivities.queryIntent( 4929 intent, resolvedType, flags, userId); 4930 result = filterIfNotSystemUser(result, userId); 4931 4932 // Check for cross profile results. 4933 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 4934 xpResolveInfo = queryCrossProfileIntents( 4935 matchingFilters, intent, resolvedType, flags, userId, 4936 hasNonNegativePriorityResult); 4937 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4938 boolean isVisibleToUser = filterIfNotSystemUser( 4939 Collections.singletonList(xpResolveInfo), userId).size() > 0; 4940 if (isVisibleToUser) { 4941 result.add(xpResolveInfo); 4942 Collections.sort(result, mResolvePrioritySorter); 4943 } 4944 } 4945 if (hasWebURI(intent)) { 4946 CrossProfileDomainInfo xpDomainInfo = null; 4947 final UserInfo parent = getProfileParent(userId); 4948 if (parent != null) { 4949 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4950 flags, userId, parent.id); 4951 } 4952 if (xpDomainInfo != null) { 4953 if (xpResolveInfo != null) { 4954 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4955 // in the result. 4956 result.remove(xpResolveInfo); 4957 } 4958 if (result.size() == 0) { 4959 result.add(xpDomainInfo.resolveInfo); 4960 return result; 4961 } 4962 } else if (result.size() <= 1) { 4963 return result; 4964 } 4965 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4966 xpDomainInfo, userId); 4967 Collections.sort(result, mResolvePrioritySorter); 4968 } 4969 return result; 4970 } 4971 final PackageParser.Package pkg = mPackages.get(pkgName); 4972 if (pkg != null) { 4973 return filterIfNotSystemUser( 4974 mActivities.queryIntentForPackage( 4975 intent, resolvedType, flags, pkg.activities, userId), 4976 userId); 4977 } 4978 return new ArrayList<ResolveInfo>(); 4979 } 4980 } 4981 4982 private static class CrossProfileDomainInfo { 4983 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4984 ResolveInfo resolveInfo; 4985 /* Best domain verification status of the activities found in the other profile */ 4986 int bestDomainVerificationStatus; 4987 } 4988 4989 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4990 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4991 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4992 sourceUserId)) { 4993 return null; 4994 } 4995 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4996 resolvedType, flags, parentUserId); 4997 4998 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4999 return null; 5000 } 5001 CrossProfileDomainInfo result = null; 5002 int size = resultTargetUser.size(); 5003 for (int i = 0; i < size; i++) { 5004 ResolveInfo riTargetUser = resultTargetUser.get(i); 5005 // Intent filter verification is only for filters that specify a host. So don't return 5006 // those that handle all web uris. 5007 if (riTargetUser.handleAllWebDataURI) { 5008 continue; 5009 } 5010 String packageName = riTargetUser.activityInfo.packageName; 5011 PackageSetting ps = mSettings.mPackages.get(packageName); 5012 if (ps == null) { 5013 continue; 5014 } 5015 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5016 int status = (int)(verificationState >> 32); 5017 if (result == null) { 5018 result = new CrossProfileDomainInfo(); 5019 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5020 sourceUserId, parentUserId); 5021 result.bestDomainVerificationStatus = status; 5022 } else { 5023 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5024 result.bestDomainVerificationStatus); 5025 } 5026 } 5027 // Don't consider matches with status NEVER across profiles. 5028 if (result != null && result.bestDomainVerificationStatus 5029 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5030 return null; 5031 } 5032 return result; 5033 } 5034 5035 /** 5036 * Verification statuses are ordered from the worse to the best, except for 5037 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5038 */ 5039 private int bestDomainVerificationStatus(int status1, int status2) { 5040 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5041 return status2; 5042 } 5043 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5044 return status1; 5045 } 5046 return (int) MathUtils.max(status1, status2); 5047 } 5048 5049 private boolean isUserEnabled(int userId) { 5050 long callingId = Binder.clearCallingIdentity(); 5051 try { 5052 UserInfo userInfo = sUserManager.getUserInfo(userId); 5053 return userInfo != null && userInfo.isEnabled(); 5054 } finally { 5055 Binder.restoreCallingIdentity(callingId); 5056 } 5057 } 5058 5059 /** 5060 * Filter out activities with systemUserOnly flag set, when current user is not System. 5061 * 5062 * @return filtered list 5063 */ 5064 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5065 if (userId == UserHandle.USER_SYSTEM) { 5066 return resolveInfos; 5067 } 5068 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5069 ResolveInfo info = resolveInfos.get(i); 5070 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5071 resolveInfos.remove(i); 5072 } 5073 } 5074 return resolveInfos; 5075 } 5076 5077 /** 5078 * @param resolveInfos list of resolve infos in descending priority order 5079 * @return if the list contains a resolve info with non-negative priority 5080 */ 5081 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5082 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5083 } 5084 5085 private static boolean hasWebURI(Intent intent) { 5086 if (intent.getData() == null) { 5087 return false; 5088 } 5089 final String scheme = intent.getScheme(); 5090 if (TextUtils.isEmpty(scheme)) { 5091 return false; 5092 } 5093 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5094 } 5095 5096 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5097 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5098 int userId) { 5099 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5100 5101 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5102 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5103 candidates.size()); 5104 } 5105 5106 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5107 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5108 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5109 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5110 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5111 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5112 5113 synchronized (mPackages) { 5114 final int count = candidates.size(); 5115 // First, try to use linked apps. Partition the candidates into four lists: 5116 // one for the final results, one for the "do not use ever", one for "undefined status" 5117 // and finally one for "browser app type". 5118 for (int n=0; n<count; n++) { 5119 ResolveInfo info = candidates.get(n); 5120 String packageName = info.activityInfo.packageName; 5121 PackageSetting ps = mSettings.mPackages.get(packageName); 5122 if (ps != null) { 5123 // Add to the special match all list (Browser use case) 5124 if (info.handleAllWebDataURI) { 5125 matchAllList.add(info); 5126 continue; 5127 } 5128 // Try to get the status from User settings first 5129 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5130 int status = (int)(packedStatus >> 32); 5131 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5132 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5133 if (DEBUG_DOMAIN_VERIFICATION) { 5134 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5135 + " : linkgen=" + linkGeneration); 5136 } 5137 // Use link-enabled generation as preferredOrder, i.e. 5138 // prefer newly-enabled over earlier-enabled. 5139 info.preferredOrder = linkGeneration; 5140 alwaysList.add(info); 5141 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5142 if (DEBUG_DOMAIN_VERIFICATION) { 5143 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5144 } 5145 neverList.add(info); 5146 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5147 if (DEBUG_DOMAIN_VERIFICATION) { 5148 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5149 } 5150 alwaysAskList.add(info); 5151 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5152 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5153 if (DEBUG_DOMAIN_VERIFICATION) { 5154 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5155 } 5156 undefinedList.add(info); 5157 } 5158 } 5159 } 5160 5161 // We'll want to include browser possibilities in a few cases 5162 boolean includeBrowser = false; 5163 5164 // First try to add the "always" resolution(s) for the current user, if any 5165 if (alwaysList.size() > 0) { 5166 result.addAll(alwaysList); 5167 } else { 5168 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5169 result.addAll(undefinedList); 5170 // Maybe add one for the other profile. 5171 if (xpDomainInfo != null && ( 5172 xpDomainInfo.bestDomainVerificationStatus 5173 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5174 result.add(xpDomainInfo.resolveInfo); 5175 } 5176 includeBrowser = true; 5177 } 5178 5179 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5180 // If there were 'always' entries their preferred order has been set, so we also 5181 // back that off to make the alternatives equivalent 5182 if (alwaysAskList.size() > 0) { 5183 for (ResolveInfo i : result) { 5184 i.preferredOrder = 0; 5185 } 5186 result.addAll(alwaysAskList); 5187 includeBrowser = true; 5188 } 5189 5190 if (includeBrowser) { 5191 // Also add browsers (all of them or only the default one) 5192 if (DEBUG_DOMAIN_VERIFICATION) { 5193 Slog.v(TAG, " ...including browsers in candidate set"); 5194 } 5195 if ((matchFlags & MATCH_ALL) != 0) { 5196 result.addAll(matchAllList); 5197 } else { 5198 // Browser/generic handling case. If there's a default browser, go straight 5199 // to that (but only if there is no other higher-priority match). 5200 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5201 int maxMatchPrio = 0; 5202 ResolveInfo defaultBrowserMatch = null; 5203 final int numCandidates = matchAllList.size(); 5204 for (int n = 0; n < numCandidates; n++) { 5205 ResolveInfo info = matchAllList.get(n); 5206 // track the highest overall match priority... 5207 if (info.priority > maxMatchPrio) { 5208 maxMatchPrio = info.priority; 5209 } 5210 // ...and the highest-priority default browser match 5211 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5212 if (defaultBrowserMatch == null 5213 || (defaultBrowserMatch.priority < info.priority)) { 5214 if (debug) { 5215 Slog.v(TAG, "Considering default browser match " + info); 5216 } 5217 defaultBrowserMatch = info; 5218 } 5219 } 5220 } 5221 if (defaultBrowserMatch != null 5222 && defaultBrowserMatch.priority >= maxMatchPrio 5223 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5224 { 5225 if (debug) { 5226 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5227 } 5228 result.add(defaultBrowserMatch); 5229 } else { 5230 result.addAll(matchAllList); 5231 } 5232 } 5233 5234 // If there is nothing selected, add all candidates and remove the ones that the user 5235 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5236 if (result.size() == 0) { 5237 result.addAll(candidates); 5238 result.removeAll(neverList); 5239 } 5240 } 5241 } 5242 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5243 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5244 result.size()); 5245 for (ResolveInfo info : result) { 5246 Slog.v(TAG, " + " + info.activityInfo); 5247 } 5248 } 5249 return result; 5250 } 5251 5252 // Returns a packed value as a long: 5253 // 5254 // high 'int'-sized word: link status: undefined/ask/never/always. 5255 // low 'int'-sized word: relative priority among 'always' results. 5256 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5257 long result = ps.getDomainVerificationStatusForUser(userId); 5258 // if none available, get the master status 5259 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5260 if (ps.getIntentFilterVerificationInfo() != null) { 5261 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5262 } 5263 } 5264 return result; 5265 } 5266 5267 private ResolveInfo querySkipCurrentProfileIntents( 5268 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5269 int flags, int sourceUserId) { 5270 if (matchingFilters != null) { 5271 int size = matchingFilters.size(); 5272 for (int i = 0; i < size; i ++) { 5273 CrossProfileIntentFilter filter = matchingFilters.get(i); 5274 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5275 // Checking if there are activities in the target user that can handle the 5276 // intent. 5277 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5278 resolvedType, flags, sourceUserId); 5279 if (resolveInfo != null) { 5280 return resolveInfo; 5281 } 5282 } 5283 } 5284 } 5285 return null; 5286 } 5287 5288 // Return matching ResolveInfo in target user if any. 5289 private ResolveInfo queryCrossProfileIntents( 5290 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5291 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5292 if (matchingFilters != null) { 5293 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5294 // match the same intent. For performance reasons, it is better not to 5295 // run queryIntent twice for the same userId 5296 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5297 int size = matchingFilters.size(); 5298 for (int i = 0; i < size; i++) { 5299 CrossProfileIntentFilter filter = matchingFilters.get(i); 5300 int targetUserId = filter.getTargetUserId(); 5301 boolean skipCurrentProfile = 5302 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5303 boolean skipCurrentProfileIfNoMatchFound = 5304 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5305 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5306 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5307 // Checking if there are activities in the target user that can handle the 5308 // intent. 5309 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5310 resolvedType, flags, sourceUserId); 5311 if (resolveInfo != null) return resolveInfo; 5312 alreadyTriedUserIds.put(targetUserId, true); 5313 } 5314 } 5315 } 5316 return null; 5317 } 5318 5319 /** 5320 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5321 * will forward the intent to the filter's target user. 5322 * Otherwise, returns null. 5323 */ 5324 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5325 String resolvedType, int flags, int sourceUserId) { 5326 int targetUserId = filter.getTargetUserId(); 5327 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5328 resolvedType, flags, targetUserId); 5329 if (resultTargetUser != null && !resultTargetUser.isEmpty() 5330 && isUserEnabled(targetUserId)) { 5331 return createForwardingResolveInfoUnchecked(filter, sourceUserId, targetUserId); 5332 } 5333 return null; 5334 } 5335 5336 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5337 int sourceUserId, int targetUserId) { 5338 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5339 long ident = Binder.clearCallingIdentity(); 5340 boolean targetIsProfile; 5341 try { 5342 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5343 } finally { 5344 Binder.restoreCallingIdentity(ident); 5345 } 5346 String className; 5347 if (targetIsProfile) { 5348 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5349 } else { 5350 className = FORWARD_INTENT_TO_PARENT; 5351 } 5352 ComponentName forwardingActivityComponentName = new ComponentName( 5353 mAndroidApplication.packageName, className); 5354 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5355 sourceUserId); 5356 if (!targetIsProfile) { 5357 forwardingActivityInfo.showUserIcon = targetUserId; 5358 forwardingResolveInfo.noResourceId = true; 5359 } 5360 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5361 forwardingResolveInfo.priority = 0; 5362 forwardingResolveInfo.preferredOrder = 0; 5363 forwardingResolveInfo.match = 0; 5364 forwardingResolveInfo.isDefault = true; 5365 forwardingResolveInfo.filter = filter; 5366 forwardingResolveInfo.targetUserId = targetUserId; 5367 return forwardingResolveInfo; 5368 } 5369 5370 @Override 5371 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5372 Intent[] specifics, String[] specificTypes, Intent intent, 5373 String resolvedType, int flags, int userId) { 5374 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5375 flags = updateFlagsForResolve(flags, userId, intent); 5376 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5377 false, "query intent activity options"); 5378 final String resultsAction = intent.getAction(); 5379 5380 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5381 | PackageManager.GET_RESOLVED_FILTER, userId); 5382 5383 if (DEBUG_INTENT_MATCHING) { 5384 Log.v(TAG, "Query " + intent + ": " + results); 5385 } 5386 5387 int specificsPos = 0; 5388 int N; 5389 5390 // todo: note that the algorithm used here is O(N^2). This 5391 // isn't a problem in our current environment, but if we start running 5392 // into situations where we have more than 5 or 10 matches then this 5393 // should probably be changed to something smarter... 5394 5395 // First we go through and resolve each of the specific items 5396 // that were supplied, taking care of removing any corresponding 5397 // duplicate items in the generic resolve list. 5398 if (specifics != null) { 5399 for (int i=0; i<specifics.length; i++) { 5400 final Intent sintent = specifics[i]; 5401 if (sintent == null) { 5402 continue; 5403 } 5404 5405 if (DEBUG_INTENT_MATCHING) { 5406 Log.v(TAG, "Specific #" + i + ": " + sintent); 5407 } 5408 5409 String action = sintent.getAction(); 5410 if (resultsAction != null && resultsAction.equals(action)) { 5411 // If this action was explicitly requested, then don't 5412 // remove things that have it. 5413 action = null; 5414 } 5415 5416 ResolveInfo ri = null; 5417 ActivityInfo ai = null; 5418 5419 ComponentName comp = sintent.getComponent(); 5420 if (comp == null) { 5421 ri = resolveIntent( 5422 sintent, 5423 specificTypes != null ? specificTypes[i] : null, 5424 flags, userId); 5425 if (ri == null) { 5426 continue; 5427 } 5428 if (ri == mResolveInfo) { 5429 // ACK! Must do something better with this. 5430 } 5431 ai = ri.activityInfo; 5432 comp = new ComponentName(ai.applicationInfo.packageName, 5433 ai.name); 5434 } else { 5435 ai = getActivityInfo(comp, flags, userId); 5436 if (ai == null) { 5437 continue; 5438 } 5439 } 5440 5441 // Look for any generic query activities that are duplicates 5442 // of this specific one, and remove them from the results. 5443 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5444 N = results.size(); 5445 int j; 5446 for (j=specificsPos; j<N; j++) { 5447 ResolveInfo sri = results.get(j); 5448 if ((sri.activityInfo.name.equals(comp.getClassName()) 5449 && sri.activityInfo.applicationInfo.packageName.equals( 5450 comp.getPackageName())) 5451 || (action != null && sri.filter.matchAction(action))) { 5452 results.remove(j); 5453 if (DEBUG_INTENT_MATCHING) Log.v( 5454 TAG, "Removing duplicate item from " + j 5455 + " due to specific " + specificsPos); 5456 if (ri == null) { 5457 ri = sri; 5458 } 5459 j--; 5460 N--; 5461 } 5462 } 5463 5464 // Add this specific item to its proper place. 5465 if (ri == null) { 5466 ri = new ResolveInfo(); 5467 ri.activityInfo = ai; 5468 } 5469 results.add(specificsPos, ri); 5470 ri.specificIndex = i; 5471 specificsPos++; 5472 } 5473 } 5474 5475 // Now we go through the remaining generic results and remove any 5476 // duplicate actions that are found here. 5477 N = results.size(); 5478 for (int i=specificsPos; i<N-1; i++) { 5479 final ResolveInfo rii = results.get(i); 5480 if (rii.filter == null) { 5481 continue; 5482 } 5483 5484 // Iterate over all of the actions of this result's intent 5485 // filter... typically this should be just one. 5486 final Iterator<String> it = rii.filter.actionsIterator(); 5487 if (it == null) { 5488 continue; 5489 } 5490 while (it.hasNext()) { 5491 final String action = it.next(); 5492 if (resultsAction != null && resultsAction.equals(action)) { 5493 // If this action was explicitly requested, then don't 5494 // remove things that have it. 5495 continue; 5496 } 5497 for (int j=i+1; j<N; j++) { 5498 final ResolveInfo rij = results.get(j); 5499 if (rij.filter != null && rij.filter.hasAction(action)) { 5500 results.remove(j); 5501 if (DEBUG_INTENT_MATCHING) Log.v( 5502 TAG, "Removing duplicate item from " + j 5503 + " due to action " + action + " at " + i); 5504 j--; 5505 N--; 5506 } 5507 } 5508 } 5509 5510 // If the caller didn't request filter information, drop it now 5511 // so we don't have to marshall/unmarshall it. 5512 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5513 rii.filter = null; 5514 } 5515 } 5516 5517 // Filter out the caller activity if so requested. 5518 if (caller != null) { 5519 N = results.size(); 5520 for (int i=0; i<N; i++) { 5521 ActivityInfo ainfo = results.get(i).activityInfo; 5522 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5523 && caller.getClassName().equals(ainfo.name)) { 5524 results.remove(i); 5525 break; 5526 } 5527 } 5528 } 5529 5530 // If the caller didn't request filter information, 5531 // drop them now so we don't have to 5532 // marshall/unmarshall it. 5533 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5534 N = results.size(); 5535 for (int i=0; i<N; i++) { 5536 results.get(i).filter = null; 5537 } 5538 } 5539 5540 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5541 return results; 5542 } 5543 5544 @Override 5545 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5546 int userId) { 5547 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5548 flags = updateFlagsForResolve(flags, userId, intent); 5549 ComponentName comp = intent.getComponent(); 5550 if (comp == null) { 5551 if (intent.getSelector() != null) { 5552 intent = intent.getSelector(); 5553 comp = intent.getComponent(); 5554 } 5555 } 5556 if (comp != null) { 5557 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5558 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5559 if (ai != null) { 5560 ResolveInfo ri = new ResolveInfo(); 5561 ri.activityInfo = ai; 5562 list.add(ri); 5563 } 5564 return list; 5565 } 5566 5567 // reader 5568 synchronized (mPackages) { 5569 String pkgName = intent.getPackage(); 5570 if (pkgName == null) { 5571 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5572 } 5573 final PackageParser.Package pkg = mPackages.get(pkgName); 5574 if (pkg != null) { 5575 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5576 userId); 5577 } 5578 return null; 5579 } 5580 } 5581 5582 @Override 5583 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5584 if (!sUserManager.exists(userId)) return null; 5585 flags = updateFlagsForResolve(flags, userId, intent); 5586 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5587 if (query != null) { 5588 if (query.size() >= 1) { 5589 // If there is more than one service with the same priority, 5590 // just arbitrarily pick the first one. 5591 return query.get(0); 5592 } 5593 } 5594 return null; 5595 } 5596 5597 @Override 5598 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5599 int userId) { 5600 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5601 flags = updateFlagsForResolve(flags, userId, intent); 5602 ComponentName comp = intent.getComponent(); 5603 if (comp == null) { 5604 if (intent.getSelector() != null) { 5605 intent = intent.getSelector(); 5606 comp = intent.getComponent(); 5607 } 5608 } 5609 if (comp != null) { 5610 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5611 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5612 if (si != null) { 5613 final ResolveInfo ri = new ResolveInfo(); 5614 ri.serviceInfo = si; 5615 list.add(ri); 5616 } 5617 return list; 5618 } 5619 5620 // reader 5621 synchronized (mPackages) { 5622 String pkgName = intent.getPackage(); 5623 if (pkgName == null) { 5624 return mServices.queryIntent(intent, resolvedType, flags, userId); 5625 } 5626 final PackageParser.Package pkg = mPackages.get(pkgName); 5627 if (pkg != null) { 5628 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5629 userId); 5630 } 5631 return null; 5632 } 5633 } 5634 5635 @Override 5636 public List<ResolveInfo> queryIntentContentProviders( 5637 Intent intent, String resolvedType, int flags, int userId) { 5638 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5639 flags = updateFlagsForResolve(flags, userId, intent); 5640 ComponentName comp = intent.getComponent(); 5641 if (comp == null) { 5642 if (intent.getSelector() != null) { 5643 intent = intent.getSelector(); 5644 comp = intent.getComponent(); 5645 } 5646 } 5647 if (comp != null) { 5648 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5649 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5650 if (pi != null) { 5651 final ResolveInfo ri = new ResolveInfo(); 5652 ri.providerInfo = pi; 5653 list.add(ri); 5654 } 5655 return list; 5656 } 5657 5658 // reader 5659 synchronized (mPackages) { 5660 String pkgName = intent.getPackage(); 5661 if (pkgName == null) { 5662 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5663 } 5664 final PackageParser.Package pkg = mPackages.get(pkgName); 5665 if (pkg != null) { 5666 return mProviders.queryIntentForPackage( 5667 intent, resolvedType, flags, pkg.providers, userId); 5668 } 5669 return null; 5670 } 5671 } 5672 5673 @Override 5674 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5675 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5676 flags = updateFlagsForPackage(flags, userId, null); 5677 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5678 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5679 5680 // writer 5681 synchronized (mPackages) { 5682 ArrayList<PackageInfo> list; 5683 if (listUninstalled) { 5684 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5685 for (PackageSetting ps : mSettings.mPackages.values()) { 5686 PackageInfo pi; 5687 if (ps.pkg != null) { 5688 pi = generatePackageInfo(ps.pkg, flags, userId); 5689 } else { 5690 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5691 } 5692 if (pi != null) { 5693 list.add(pi); 5694 } 5695 } 5696 } else { 5697 list = new ArrayList<PackageInfo>(mPackages.size()); 5698 for (PackageParser.Package p : mPackages.values()) { 5699 PackageInfo pi = generatePackageInfo(p, flags, userId); 5700 if (pi != null) { 5701 list.add(pi); 5702 } 5703 } 5704 } 5705 5706 return new ParceledListSlice<PackageInfo>(list); 5707 } 5708 } 5709 5710 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5711 String[] permissions, boolean[] tmp, int flags, int userId) { 5712 int numMatch = 0; 5713 final PermissionsState permissionsState = ps.getPermissionsState(); 5714 for (int i=0; i<permissions.length; i++) { 5715 final String permission = permissions[i]; 5716 if (permissionsState.hasPermission(permission, userId)) { 5717 tmp[i] = true; 5718 numMatch++; 5719 } else { 5720 tmp[i] = false; 5721 } 5722 } 5723 if (numMatch == 0) { 5724 return; 5725 } 5726 PackageInfo pi; 5727 if (ps.pkg != null) { 5728 pi = generatePackageInfo(ps.pkg, flags, userId); 5729 } else { 5730 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5731 } 5732 // The above might return null in cases of uninstalled apps or install-state 5733 // skew across users/profiles. 5734 if (pi != null) { 5735 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5736 if (numMatch == permissions.length) { 5737 pi.requestedPermissions = permissions; 5738 } else { 5739 pi.requestedPermissions = new String[numMatch]; 5740 numMatch = 0; 5741 for (int i=0; i<permissions.length; i++) { 5742 if (tmp[i]) { 5743 pi.requestedPermissions[numMatch] = permissions[i]; 5744 numMatch++; 5745 } 5746 } 5747 } 5748 } 5749 list.add(pi); 5750 } 5751 } 5752 5753 @Override 5754 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5755 String[] permissions, int flags, int userId) { 5756 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5757 flags = updateFlagsForPackage(flags, userId, permissions); 5758 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5759 5760 // writer 5761 synchronized (mPackages) { 5762 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5763 boolean[] tmpBools = new boolean[permissions.length]; 5764 if (listUninstalled) { 5765 for (PackageSetting ps : mSettings.mPackages.values()) { 5766 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5767 } 5768 } else { 5769 for (PackageParser.Package pkg : mPackages.values()) { 5770 PackageSetting ps = (PackageSetting)pkg.mExtras; 5771 if (ps != null) { 5772 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5773 userId); 5774 } 5775 } 5776 } 5777 5778 return new ParceledListSlice<PackageInfo>(list); 5779 } 5780 } 5781 5782 @Override 5783 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5784 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5785 flags = updateFlagsForApplication(flags, userId, null); 5786 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5787 5788 // writer 5789 synchronized (mPackages) { 5790 ArrayList<ApplicationInfo> list; 5791 if (listUninstalled) { 5792 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5793 for (PackageSetting ps : mSettings.mPackages.values()) { 5794 ApplicationInfo ai; 5795 if (ps.pkg != null) { 5796 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5797 ps.readUserState(userId), userId); 5798 } else { 5799 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5800 } 5801 if (ai != null) { 5802 list.add(ai); 5803 } 5804 } 5805 } else { 5806 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5807 for (PackageParser.Package p : mPackages.values()) { 5808 if (p.mExtras != null) { 5809 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5810 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5811 if (ai != null) { 5812 list.add(ai); 5813 } 5814 } 5815 } 5816 } 5817 5818 return new ParceledListSlice<ApplicationInfo>(list); 5819 } 5820 } 5821 5822 @Override 5823 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 5824 if (DISABLE_EPHEMERAL_APPS) { 5825 return null; 5826 } 5827 5828 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5829 "getEphemeralApplications"); 5830 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5831 "getEphemeralApplications"); 5832 synchronized (mPackages) { 5833 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 5834 .getEphemeralApplicationsLPw(userId); 5835 if (ephemeralApps != null) { 5836 return new ParceledListSlice<>(ephemeralApps); 5837 } 5838 } 5839 return null; 5840 } 5841 5842 @Override 5843 public boolean isEphemeralApplication(String packageName, int userId) { 5844 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5845 "isEphemeral"); 5846 if (DISABLE_EPHEMERAL_APPS) { 5847 return false; 5848 } 5849 5850 if (!isCallerSameApp(packageName)) { 5851 return false; 5852 } 5853 synchronized (mPackages) { 5854 PackageParser.Package pkg = mPackages.get(packageName); 5855 if (pkg != null) { 5856 return pkg.applicationInfo.isEphemeralApp(); 5857 } 5858 } 5859 return false; 5860 } 5861 5862 @Override 5863 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 5864 if (DISABLE_EPHEMERAL_APPS) { 5865 return null; 5866 } 5867 5868 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5869 "getCookie"); 5870 if (!isCallerSameApp(packageName)) { 5871 return null; 5872 } 5873 synchronized (mPackages) { 5874 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 5875 packageName, userId); 5876 } 5877 } 5878 5879 @Override 5880 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 5881 if (DISABLE_EPHEMERAL_APPS) { 5882 return true; 5883 } 5884 5885 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5886 "setCookie"); 5887 if (!isCallerSameApp(packageName)) { 5888 return false; 5889 } 5890 synchronized (mPackages) { 5891 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 5892 packageName, cookie, userId); 5893 } 5894 } 5895 5896 @Override 5897 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 5898 if (DISABLE_EPHEMERAL_APPS) { 5899 return null; 5900 } 5901 5902 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5903 "getEphemeralApplicationIcon"); 5904 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5905 "getEphemeralApplicationIcon"); 5906 synchronized (mPackages) { 5907 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 5908 packageName, userId); 5909 } 5910 } 5911 5912 private boolean isCallerSameApp(String packageName) { 5913 PackageParser.Package pkg = mPackages.get(packageName); 5914 return pkg != null 5915 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 5916 } 5917 5918 public List<ApplicationInfo> getPersistentApplications(int flags) { 5919 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5920 5921 // reader 5922 synchronized (mPackages) { 5923 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5924 final int userId = UserHandle.getCallingUserId(); 5925 while (i.hasNext()) { 5926 final PackageParser.Package p = i.next(); 5927 if (p.applicationInfo != null 5928 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5929 && (!mSafeMode || isSystemApp(p))) { 5930 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5931 if (ps != null) { 5932 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5933 ps.readUserState(userId), userId); 5934 if (ai != null) { 5935 finalList.add(ai); 5936 } 5937 } 5938 } 5939 } 5940 } 5941 5942 return finalList; 5943 } 5944 5945 @Override 5946 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5947 if (!sUserManager.exists(userId)) return null; 5948 flags = updateFlagsForComponent(flags, userId, name); 5949 // reader 5950 synchronized (mPackages) { 5951 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5952 PackageSetting ps = provider != null 5953 ? mSettings.mPackages.get(provider.owner.packageName) 5954 : null; 5955 return ps != null 5956 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 5957 ? PackageParser.generateProviderInfo(provider, flags, 5958 ps.readUserState(userId), userId) 5959 : null; 5960 } 5961 } 5962 5963 /** 5964 * @deprecated 5965 */ 5966 @Deprecated 5967 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5968 // reader 5969 synchronized (mPackages) { 5970 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5971 .entrySet().iterator(); 5972 final int userId = UserHandle.getCallingUserId(); 5973 while (i.hasNext()) { 5974 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5975 PackageParser.Provider p = entry.getValue(); 5976 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5977 5978 if (ps != null && p.syncable 5979 && (!mSafeMode || (p.info.applicationInfo.flags 5980 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5981 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5982 ps.readUserState(userId), userId); 5983 if (info != null) { 5984 outNames.add(entry.getKey()); 5985 outInfo.add(info); 5986 } 5987 } 5988 } 5989 } 5990 } 5991 5992 @Override 5993 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5994 int uid, int flags) { 5995 final int userId = processName != null ? UserHandle.getUserId(uid) 5996 : UserHandle.getCallingUserId(); 5997 if (!sUserManager.exists(userId)) return null; 5998 flags = updateFlagsForComponent(flags, userId, processName); 5999 6000 ArrayList<ProviderInfo> finalList = null; 6001 // reader 6002 synchronized (mPackages) { 6003 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6004 while (i.hasNext()) { 6005 final PackageParser.Provider p = i.next(); 6006 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6007 if (ps != null && p.info.authority != null 6008 && (processName == null 6009 || (p.info.processName.equals(processName) 6010 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6011 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6012 if (finalList == null) { 6013 finalList = new ArrayList<ProviderInfo>(3); 6014 } 6015 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6016 ps.readUserState(userId), userId); 6017 if (info != null) { 6018 finalList.add(info); 6019 } 6020 } 6021 } 6022 } 6023 6024 if (finalList != null) { 6025 Collections.sort(finalList, mProviderInitOrderSorter); 6026 return new ParceledListSlice<ProviderInfo>(finalList); 6027 } 6028 6029 return null; 6030 } 6031 6032 @Override 6033 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6034 // reader 6035 synchronized (mPackages) { 6036 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6037 return PackageParser.generateInstrumentationInfo(i, flags); 6038 } 6039 } 6040 6041 @Override 6042 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 6043 int flags) { 6044 ArrayList<InstrumentationInfo> finalList = 6045 new ArrayList<InstrumentationInfo>(); 6046 6047 // reader 6048 synchronized (mPackages) { 6049 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6050 while (i.hasNext()) { 6051 final PackageParser.Instrumentation p = i.next(); 6052 if (targetPackage == null 6053 || targetPackage.equals(p.info.targetPackage)) { 6054 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6055 flags); 6056 if (ii != null) { 6057 finalList.add(ii); 6058 } 6059 } 6060 } 6061 } 6062 6063 return finalList; 6064 } 6065 6066 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6067 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6068 if (overlays == null) { 6069 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6070 return; 6071 } 6072 for (PackageParser.Package opkg : overlays.values()) { 6073 // Not much to do if idmap fails: we already logged the error 6074 // and we certainly don't want to abort installation of pkg simply 6075 // because an overlay didn't fit properly. For these reasons, 6076 // ignore the return value of createIdmapForPackagePairLI. 6077 createIdmapForPackagePairLI(pkg, opkg); 6078 } 6079 } 6080 6081 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6082 PackageParser.Package opkg) { 6083 if (!opkg.mTrustedOverlay) { 6084 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6085 opkg.baseCodePath + ": overlay not trusted"); 6086 return false; 6087 } 6088 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6089 if (overlaySet == null) { 6090 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6091 opkg.baseCodePath + " but target package has no known overlays"); 6092 return false; 6093 } 6094 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6095 // TODO: generate idmap for split APKs 6096 try { 6097 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6098 } catch (InstallerException e) { 6099 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6100 + opkg.baseCodePath); 6101 return false; 6102 } 6103 PackageParser.Package[] overlayArray = 6104 overlaySet.values().toArray(new PackageParser.Package[0]); 6105 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6106 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6107 return p1.mOverlayPriority - p2.mOverlayPriority; 6108 } 6109 }; 6110 Arrays.sort(overlayArray, cmp); 6111 6112 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6113 int i = 0; 6114 for (PackageParser.Package p : overlayArray) { 6115 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6116 } 6117 return true; 6118 } 6119 6120 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6121 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6122 try { 6123 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6124 } finally { 6125 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6126 } 6127 } 6128 6129 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6130 final File[] files = dir.listFiles(); 6131 if (ArrayUtils.isEmpty(files)) { 6132 Log.d(TAG, "No files in app dir " + dir); 6133 return; 6134 } 6135 6136 if (DEBUG_PACKAGE_SCANNING) { 6137 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6138 + " flags=0x" + Integer.toHexString(parseFlags)); 6139 } 6140 6141 for (File file : files) { 6142 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6143 && !PackageInstallerService.isStageName(file.getName()); 6144 if (!isPackage) { 6145 // Ignore entries which are not packages 6146 continue; 6147 } 6148 try { 6149 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6150 scanFlags, currentTime, null); 6151 } catch (PackageManagerException e) { 6152 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6153 6154 // Delete invalid userdata apps 6155 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6156 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6157 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6158 removeCodePathLI(file); 6159 } 6160 } 6161 } 6162 } 6163 6164 private static File getSettingsProblemFile() { 6165 File dataDir = Environment.getDataDirectory(); 6166 File systemDir = new File(dataDir, "system"); 6167 File fname = new File(systemDir, "uiderrors.txt"); 6168 return fname; 6169 } 6170 6171 static void reportSettingsProblem(int priority, String msg) { 6172 logCriticalInfo(priority, msg); 6173 } 6174 6175 static void logCriticalInfo(int priority, String msg) { 6176 Slog.println(priority, TAG, msg); 6177 EventLogTags.writePmCriticalInfo(msg); 6178 try { 6179 File fname = getSettingsProblemFile(); 6180 FileOutputStream out = new FileOutputStream(fname, true); 6181 PrintWriter pw = new FastPrintWriter(out); 6182 SimpleDateFormat formatter = new SimpleDateFormat(); 6183 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6184 pw.println(dateString + ": " + msg); 6185 pw.close(); 6186 FileUtils.setPermissions( 6187 fname.toString(), 6188 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6189 -1, -1); 6190 } catch (java.io.IOException e) { 6191 } 6192 } 6193 6194 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 6195 PackageParser.Package pkg, File srcFile, int parseFlags) 6196 throws PackageManagerException { 6197 if (ps != null 6198 && ps.codePath.equals(srcFile) 6199 && ps.timeStamp == srcFile.lastModified() 6200 && !isCompatSignatureUpdateNeeded(pkg) 6201 && !isRecoverSignatureUpdateNeeded(pkg)) { 6202 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6203 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6204 ArraySet<PublicKey> signingKs; 6205 synchronized (mPackages) { 6206 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6207 } 6208 if (ps.signatures.mSignatures != null 6209 && ps.signatures.mSignatures.length != 0 6210 && signingKs != null) { 6211 // Optimization: reuse the existing cached certificates 6212 // if the package appears to be unchanged. 6213 pkg.mSignatures = ps.signatures.mSignatures; 6214 pkg.mSigningKeys = signingKs; 6215 return; 6216 } 6217 6218 Slog.w(TAG, "PackageSetting for " + ps.name 6219 + " is missing signatures. Collecting certs again to recover them."); 6220 } else { 6221 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6222 } 6223 6224 try { 6225 pp.collectCertificates(pkg, parseFlags); 6226 } catch (PackageParserException e) { 6227 throw PackageManagerException.from(e); 6228 } 6229 } 6230 6231 /** 6232 * Traces a package scan. 6233 * @see #scanPackageLI(File, int, int, long, UserHandle) 6234 */ 6235 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6236 long currentTime, UserHandle user) throws PackageManagerException { 6237 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6238 try { 6239 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6240 } finally { 6241 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6242 } 6243 } 6244 6245 /** 6246 * Scans a package and returns the newly parsed package. 6247 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6248 */ 6249 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6250 long currentTime, UserHandle user) throws PackageManagerException { 6251 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6252 parseFlags |= mDefParseFlags; 6253 PackageParser pp = new PackageParser(); 6254 pp.setSeparateProcesses(mSeparateProcesses); 6255 pp.setOnlyCoreApps(mOnlyCore); 6256 pp.setDisplayMetrics(mMetrics); 6257 6258 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6259 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6260 } 6261 6262 final PackageParser.Package pkg; 6263 try { 6264 pkg = pp.parsePackage(scanFile, parseFlags); 6265 } catch (PackageParserException e) { 6266 throw PackageManagerException.from(e); 6267 } 6268 6269 PackageSetting ps = null; 6270 PackageSetting updatedPkg; 6271 // reader 6272 synchronized (mPackages) { 6273 // Look to see if we already know about this package. 6274 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6275 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6276 // This package has been renamed to its original name. Let's 6277 // use that. 6278 ps = mSettings.peekPackageLPr(oldName); 6279 } 6280 // If there was no original package, see one for the real package name. 6281 if (ps == null) { 6282 ps = mSettings.peekPackageLPr(pkg.packageName); 6283 } 6284 // Check to see if this package could be hiding/updating a system 6285 // package. Must look for it either under the original or real 6286 // package name depending on our state. 6287 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6288 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6289 } 6290 boolean updatedPkgBetter = false; 6291 // First check if this is a system package that may involve an update 6292 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6293 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6294 // it needs to drop FLAG_PRIVILEGED. 6295 if (locationIsPrivileged(scanFile)) { 6296 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6297 } else { 6298 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6299 } 6300 6301 if (ps != null && !ps.codePath.equals(scanFile)) { 6302 // The path has changed from what was last scanned... check the 6303 // version of the new path against what we have stored to determine 6304 // what to do. 6305 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6306 if (pkg.mVersionCode <= ps.versionCode) { 6307 // The system package has been updated and the code path does not match 6308 // Ignore entry. Skip it. 6309 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6310 + " ignored: updated version " + ps.versionCode 6311 + " better than this " + pkg.mVersionCode); 6312 if (!updatedPkg.codePath.equals(scanFile)) { 6313 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6314 + ps.name + " changing from " + updatedPkg.codePathString 6315 + " to " + scanFile); 6316 updatedPkg.codePath = scanFile; 6317 updatedPkg.codePathString = scanFile.toString(); 6318 updatedPkg.resourcePath = scanFile; 6319 updatedPkg.resourcePathString = scanFile.toString(); 6320 } 6321 updatedPkg.pkg = pkg; 6322 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6323 "Package " + ps.name + " at " + scanFile 6324 + " ignored: updated version " + ps.versionCode 6325 + " better than this " + pkg.mVersionCode); 6326 } else { 6327 // The current app on the system partition is better than 6328 // what we have updated to on the data partition; switch 6329 // back to the system partition version. 6330 // At this point, its safely assumed that package installation for 6331 // apps in system partition will go through. If not there won't be a working 6332 // version of the app 6333 // writer 6334 synchronized (mPackages) { 6335 // Just remove the loaded entries from package lists. 6336 mPackages.remove(ps.name); 6337 } 6338 6339 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6340 + " reverting from " + ps.codePathString 6341 + ": new version " + pkg.mVersionCode 6342 + " better than installed " + ps.versionCode); 6343 6344 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6345 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6346 synchronized (mInstallLock) { 6347 args.cleanUpResourcesLI(); 6348 } 6349 synchronized (mPackages) { 6350 mSettings.enableSystemPackageLPw(ps.name); 6351 } 6352 updatedPkgBetter = true; 6353 } 6354 } 6355 } 6356 6357 if (updatedPkg != null) { 6358 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6359 // initially 6360 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6361 6362 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6363 // flag set initially 6364 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6365 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6366 } 6367 } 6368 6369 // Verify certificates against what was last scanned 6370 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 6371 6372 /* 6373 * A new system app appeared, but we already had a non-system one of the 6374 * same name installed earlier. 6375 */ 6376 boolean shouldHideSystemApp = false; 6377 if (updatedPkg == null && ps != null 6378 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6379 /* 6380 * Check to make sure the signatures match first. If they don't, 6381 * wipe the installed application and its data. 6382 */ 6383 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6384 != PackageManager.SIGNATURE_MATCH) { 6385 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6386 + " signatures don't match existing userdata copy; removing"); 6387 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 6388 ps = null; 6389 } else { 6390 /* 6391 * If the newly-added system app is an older version than the 6392 * already installed version, hide it. It will be scanned later 6393 * and re-added like an update. 6394 */ 6395 if (pkg.mVersionCode <= ps.versionCode) { 6396 shouldHideSystemApp = true; 6397 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6398 + " but new version " + pkg.mVersionCode + " better than installed " 6399 + ps.versionCode + "; hiding system"); 6400 } else { 6401 /* 6402 * The newly found system app is a newer version that the 6403 * one previously installed. Simply remove the 6404 * already-installed application and replace it with our own 6405 * while keeping the application data. 6406 */ 6407 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6408 + " reverting from " + ps.codePathString + ": new version " 6409 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6410 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6411 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6412 synchronized (mInstallLock) { 6413 args.cleanUpResourcesLI(); 6414 } 6415 } 6416 } 6417 } 6418 6419 // The apk is forward locked (not public) if its code and resources 6420 // are kept in different files. (except for app in either system or 6421 // vendor path). 6422 // TODO grab this value from PackageSettings 6423 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6424 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6425 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6426 } 6427 } 6428 6429 // TODO: extend to support forward-locked splits 6430 String resourcePath = null; 6431 String baseResourcePath = null; 6432 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6433 if (ps != null && ps.resourcePathString != null) { 6434 resourcePath = ps.resourcePathString; 6435 baseResourcePath = ps.resourcePathString; 6436 } else { 6437 // Should not happen at all. Just log an error. 6438 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6439 } 6440 } else { 6441 resourcePath = pkg.codePath; 6442 baseResourcePath = pkg.baseCodePath; 6443 } 6444 6445 // Set application objects path explicitly. 6446 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 6447 pkg.applicationInfo.setCodePath(pkg.codePath); 6448 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 6449 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 6450 pkg.applicationInfo.setResourcePath(resourcePath); 6451 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 6452 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 6453 6454 // Note that we invoke the following method only if we are about to unpack an application 6455 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6456 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6457 6458 /* 6459 * If the system app should be overridden by a previously installed 6460 * data, hide the system app now and let the /data/app scan pick it up 6461 * again. 6462 */ 6463 if (shouldHideSystemApp) { 6464 synchronized (mPackages) { 6465 mSettings.disableSystemPackageLPw(pkg.packageName); 6466 } 6467 } 6468 6469 return scannedPkg; 6470 } 6471 6472 private static String fixProcessName(String defProcessName, 6473 String processName, int uid) { 6474 if (processName == null) { 6475 return defProcessName; 6476 } 6477 return processName; 6478 } 6479 6480 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6481 throws PackageManagerException { 6482 if (pkgSetting.signatures.mSignatures != null) { 6483 // Already existing package. Make sure signatures match 6484 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6485 == PackageManager.SIGNATURE_MATCH; 6486 if (!match) { 6487 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6488 == PackageManager.SIGNATURE_MATCH; 6489 } 6490 if (!match) { 6491 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6492 == PackageManager.SIGNATURE_MATCH; 6493 } 6494 if (!match) { 6495 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6496 + pkg.packageName + " signatures do not match the " 6497 + "previously installed version; ignoring!"); 6498 } 6499 } 6500 6501 // Check for shared user signatures 6502 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6503 // Already existing package. Make sure signatures match 6504 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6505 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6506 if (!match) { 6507 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6508 == PackageManager.SIGNATURE_MATCH; 6509 } 6510 if (!match) { 6511 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6512 == PackageManager.SIGNATURE_MATCH; 6513 } 6514 if (!match) { 6515 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6516 "Package " + pkg.packageName 6517 + " has no signatures that match those in shared user " 6518 + pkgSetting.sharedUser.name + "; ignoring!"); 6519 } 6520 } 6521 } 6522 6523 /** 6524 * Enforces that only the system UID or root's UID can call a method exposed 6525 * via Binder. 6526 * 6527 * @param message used as message if SecurityException is thrown 6528 * @throws SecurityException if the caller is not system or root 6529 */ 6530 private static final void enforceSystemOrRoot(String message) { 6531 final int uid = Binder.getCallingUid(); 6532 if (uid != Process.SYSTEM_UID && uid != 0) { 6533 throw new SecurityException(message); 6534 } 6535 } 6536 6537 @Override 6538 public void performFstrimIfNeeded() { 6539 enforceSystemOrRoot("Only the system can request fstrim"); 6540 6541 // Before everything else, see whether we need to fstrim. 6542 try { 6543 IMountService ms = PackageHelper.getMountService(); 6544 if (ms != null) { 6545 final boolean isUpgrade = isUpgrade(); 6546 boolean doTrim = isUpgrade; 6547 if (doTrim) { 6548 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6549 } else { 6550 final long interval = android.provider.Settings.Global.getLong( 6551 mContext.getContentResolver(), 6552 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6553 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6554 if (interval > 0) { 6555 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6556 if (timeSinceLast > interval) { 6557 doTrim = true; 6558 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6559 + "; running immediately"); 6560 } 6561 } 6562 } 6563 if (doTrim) { 6564 if (!isFirstBoot()) { 6565 try { 6566 ActivityManagerNative.getDefault().showBootMessage( 6567 mContext.getResources().getString( 6568 R.string.android_upgrading_fstrim), true); 6569 } catch (RemoteException e) { 6570 } 6571 } 6572 ms.runMaintenance(); 6573 } 6574 } else { 6575 Slog.e(TAG, "Mount service unavailable!"); 6576 } 6577 } catch (RemoteException e) { 6578 // Can't happen; MountService is local 6579 } 6580 } 6581 6582 private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) { 6583 List<ResolveInfo> ris = null; 6584 try { 6585 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6586 intent, null, 0, userId); 6587 } catch (RemoteException e) { 6588 } 6589 ArraySet<String> pkgNames = new ArraySet<String>(); 6590 if (ris != null) { 6591 for (ResolveInfo ri : ris) { 6592 pkgNames.add(ri.activityInfo.packageName); 6593 } 6594 } 6595 return pkgNames; 6596 } 6597 6598 @Override 6599 public void notifyPackageUse(String packageName) { 6600 synchronized (mPackages) { 6601 PackageParser.Package p = mPackages.get(packageName); 6602 if (p == null) { 6603 return; 6604 } 6605 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6606 } 6607 } 6608 6609 @Override 6610 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6611 return performDexOptTraced(packageName, instructionSet); 6612 } 6613 6614 public boolean performDexOpt(String packageName, String instructionSet) { 6615 return performDexOptTraced(packageName, instructionSet); 6616 } 6617 6618 private boolean performDexOptTraced(String packageName, String instructionSet) { 6619 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6620 try { 6621 return performDexOptInternal(packageName, instructionSet); 6622 } finally { 6623 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6624 } 6625 } 6626 6627 private boolean performDexOptInternal(String packageName, String instructionSet) { 6628 PackageParser.Package p; 6629 final String targetInstructionSet; 6630 synchronized (mPackages) { 6631 p = mPackages.get(packageName); 6632 if (p == null) { 6633 return false; 6634 } 6635 mPackageUsage.write(false); 6636 6637 targetInstructionSet = instructionSet != null ? instructionSet : 6638 getPrimaryInstructionSet(p.applicationInfo); 6639 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6640 return false; 6641 } 6642 } 6643 long callingId = Binder.clearCallingIdentity(); 6644 try { 6645 synchronized (mInstallLock) { 6646 final String[] instructionSets = new String[] { targetInstructionSet }; 6647 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6648 true /* inclDependencies */); 6649 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6650 } 6651 } finally { 6652 Binder.restoreCallingIdentity(callingId); 6653 } 6654 } 6655 6656 public ArraySet<String> getPackagesThatNeedDexOpt() { 6657 ArraySet<String> pkgs = null; 6658 synchronized (mPackages) { 6659 for (PackageParser.Package p : mPackages.values()) { 6660 if (DEBUG_DEXOPT) { 6661 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6662 } 6663 if (!p.mDexOptPerformed.isEmpty()) { 6664 continue; 6665 } 6666 if (pkgs == null) { 6667 pkgs = new ArraySet<String>(); 6668 } 6669 pkgs.add(p.packageName); 6670 } 6671 } 6672 return pkgs; 6673 } 6674 6675 public void shutdown() { 6676 mPackageUsage.write(true); 6677 } 6678 6679 @Override 6680 public void forceDexOpt(String packageName) { 6681 enforceSystemOrRoot("forceDexOpt"); 6682 6683 PackageParser.Package pkg; 6684 synchronized (mPackages) { 6685 pkg = mPackages.get(packageName); 6686 if (pkg == null) { 6687 throw new IllegalArgumentException("Unknown package: " + packageName); 6688 } 6689 } 6690 6691 synchronized (mInstallLock) { 6692 final String[] instructionSets = new String[] { 6693 getPrimaryInstructionSet(pkg.applicationInfo) }; 6694 6695 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6696 6697 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6698 true /* inclDependencies */); 6699 6700 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6701 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6702 throw new IllegalStateException("Failed to dexopt: " + res); 6703 } 6704 } 6705 } 6706 6707 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6708 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6709 Slog.w(TAG, "Unable to update from " + oldPkg.name 6710 + " to " + newPkg.packageName 6711 + ": old package not in system partition"); 6712 return false; 6713 } else if (mPackages.get(oldPkg.name) != null) { 6714 Slog.w(TAG, "Unable to update from " + oldPkg.name 6715 + " to " + newPkg.packageName 6716 + ": old package still exists"); 6717 return false; 6718 } 6719 return true; 6720 } 6721 6722 private void createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) 6723 throws PackageManagerException { 6724 // TODO: triage flags as part of 26466827 6725 final int appId = UserHandle.getAppId(uid); 6726 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 6727 6728 try { 6729 final int[] users = sUserManager.getUserIds(); 6730 for (int user : users) { 6731 mInstaller.createAppData(volumeUuid, packageName, user, flags, appId, seinfo); 6732 } 6733 } catch (InstallerException e) { 6734 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6735 "Failed to prepare data directory", e); 6736 } 6737 } 6738 6739 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 6740 // TODO: triage flags as part of 26466827 6741 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 6742 6743 boolean res = true; 6744 final int[] users = sUserManager.getUserIds(); 6745 for (int user : users) { 6746 try { 6747 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 6748 } catch (InstallerException e) { 6749 Slog.w(TAG, "Failed to delete data directory", e); 6750 res = false; 6751 } 6752 } 6753 return res; 6754 } 6755 6756 void removeCodePathLI(File codePath) { 6757 if (codePath.isDirectory()) { 6758 try { 6759 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 6760 } catch (InstallerException e) { 6761 Slog.w(TAG, "Failed to remove code path", e); 6762 } 6763 } else { 6764 codePath.delete(); 6765 } 6766 } 6767 6768 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6769 // TODO: triage flags as part of 26466827 6770 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 6771 6772 final int[] users = sUserManager.getUserIds(); 6773 for (int user : users) { 6774 try { 6775 mInstaller.clearAppData(volumeUuid, packageName, user, 6776 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 6777 } catch (InstallerException e) { 6778 Slog.w(TAG, "Failed to delete code cache directory", e); 6779 } 6780 } 6781 } 6782 6783 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6784 PackageParser.Package changingLib) { 6785 if (file.path != null) { 6786 usesLibraryFiles.add(file.path); 6787 return; 6788 } 6789 PackageParser.Package p = mPackages.get(file.apk); 6790 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6791 // If we are doing this while in the middle of updating a library apk, 6792 // then we need to make sure to use that new apk for determining the 6793 // dependencies here. (We haven't yet finished committing the new apk 6794 // to the package manager state.) 6795 if (p == null || p.packageName.equals(changingLib.packageName)) { 6796 p = changingLib; 6797 } 6798 } 6799 if (p != null) { 6800 usesLibraryFiles.addAll(p.getAllCodePaths()); 6801 } 6802 } 6803 6804 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6805 PackageParser.Package changingLib) throws PackageManagerException { 6806 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6807 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6808 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6809 for (int i=0; i<N; i++) { 6810 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6811 if (file == null) { 6812 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6813 "Package " + pkg.packageName + " requires unavailable shared library " 6814 + pkg.usesLibraries.get(i) + "; failing!"); 6815 } 6816 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6817 } 6818 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6819 for (int i=0; i<N; i++) { 6820 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6821 if (file == null) { 6822 Slog.w(TAG, "Package " + pkg.packageName 6823 + " desires unavailable shared library " 6824 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6825 } else { 6826 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6827 } 6828 } 6829 N = usesLibraryFiles.size(); 6830 if (N > 0) { 6831 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6832 } else { 6833 pkg.usesLibraryFiles = null; 6834 } 6835 } 6836 } 6837 6838 private static boolean hasString(List<String> list, List<String> which) { 6839 if (list == null) { 6840 return false; 6841 } 6842 for (int i=list.size()-1; i>=0; i--) { 6843 for (int j=which.size()-1; j>=0; j--) { 6844 if (which.get(j).equals(list.get(i))) { 6845 return true; 6846 } 6847 } 6848 } 6849 return false; 6850 } 6851 6852 private void updateAllSharedLibrariesLPw() { 6853 for (PackageParser.Package pkg : mPackages.values()) { 6854 try { 6855 updateSharedLibrariesLPw(pkg, null); 6856 } catch (PackageManagerException e) { 6857 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6858 } 6859 } 6860 } 6861 6862 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6863 PackageParser.Package changingPkg) { 6864 ArrayList<PackageParser.Package> res = null; 6865 for (PackageParser.Package pkg : mPackages.values()) { 6866 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6867 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6868 if (res == null) { 6869 res = new ArrayList<PackageParser.Package>(); 6870 } 6871 res.add(pkg); 6872 try { 6873 updateSharedLibrariesLPw(pkg, changingPkg); 6874 } catch (PackageManagerException e) { 6875 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6876 } 6877 } 6878 } 6879 return res; 6880 } 6881 6882 /** 6883 * Derive the value of the {@code cpuAbiOverride} based on the provided 6884 * value and an optional stored value from the package settings. 6885 */ 6886 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6887 String cpuAbiOverride = null; 6888 6889 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6890 cpuAbiOverride = null; 6891 } else if (abiOverride != null) { 6892 cpuAbiOverride = abiOverride; 6893 } else if (settings != null) { 6894 cpuAbiOverride = settings.cpuAbiOverrideString; 6895 } 6896 6897 return cpuAbiOverride; 6898 } 6899 6900 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 6901 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6902 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6903 try { 6904 return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 6905 } finally { 6906 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6907 } 6908 } 6909 6910 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6911 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6912 boolean success = false; 6913 try { 6914 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6915 currentTime, user); 6916 success = true; 6917 return res; 6918 } finally { 6919 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6920 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6921 } 6922 } 6923 } 6924 6925 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6926 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6927 final File scanFile = new File(pkg.codePath); 6928 if (pkg.applicationInfo.getCodePath() == null || 6929 pkg.applicationInfo.getResourcePath() == null) { 6930 // Bail out. The resource and code paths haven't been set. 6931 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6932 "Code and resource paths haven't been set correctly"); 6933 } 6934 6935 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6936 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6937 } else { 6938 // Only allow system apps to be flagged as core apps. 6939 pkg.coreApp = false; 6940 } 6941 6942 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6943 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6944 } 6945 6946 if (mCustomResolverComponentName != null && 6947 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6948 setUpCustomResolverActivity(pkg); 6949 } 6950 6951 if (pkg.packageName.equals("android")) { 6952 synchronized (mPackages) { 6953 if (mAndroidApplication != null) { 6954 Slog.w(TAG, "*************************************************"); 6955 Slog.w(TAG, "Core android package being redefined. Skipping."); 6956 Slog.w(TAG, " file=" + scanFile); 6957 Slog.w(TAG, "*************************************************"); 6958 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6959 "Core android package being redefined. Skipping."); 6960 } 6961 6962 // Set up information for our fall-back user intent resolution activity. 6963 mPlatformPackage = pkg; 6964 pkg.mVersionCode = mSdkVersion; 6965 mAndroidApplication = pkg.applicationInfo; 6966 6967 if (!mResolverReplaced) { 6968 mResolveActivity.applicationInfo = mAndroidApplication; 6969 mResolveActivity.name = ResolverActivity.class.getName(); 6970 mResolveActivity.packageName = mAndroidApplication.packageName; 6971 mResolveActivity.processName = "system:ui"; 6972 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6973 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6974 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6975 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6976 mResolveActivity.exported = true; 6977 mResolveActivity.enabled = true; 6978 mResolveInfo.activityInfo = mResolveActivity; 6979 mResolveInfo.priority = 0; 6980 mResolveInfo.preferredOrder = 0; 6981 mResolveInfo.match = 0; 6982 mResolveComponentName = new ComponentName( 6983 mAndroidApplication.packageName, mResolveActivity.name); 6984 } 6985 } 6986 } 6987 6988 if (DEBUG_PACKAGE_SCANNING) { 6989 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6990 Log.d(TAG, "Scanning package " + pkg.packageName); 6991 } 6992 6993 if (mPackages.containsKey(pkg.packageName) 6994 || mSharedLibraries.containsKey(pkg.packageName)) { 6995 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6996 "Application package " + pkg.packageName 6997 + " already installed. Skipping duplicate."); 6998 } 6999 7000 // If we're only installing presumed-existing packages, require that the 7001 // scanned APK is both already known and at the path previously established 7002 // for it. Previously unknown packages we pick up normally, but if we have an 7003 // a priori expectation about this package's install presence, enforce it. 7004 // With a singular exception for new system packages. When an OTA contains 7005 // a new system package, we allow the codepath to change from a system location 7006 // to the user-installed location. If we don't allow this change, any newer, 7007 // user-installed version of the application will be ignored. 7008 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7009 if (mExpectingBetter.containsKey(pkg.packageName)) { 7010 logCriticalInfo(Log.WARN, 7011 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7012 } else { 7013 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7014 if (known != null) { 7015 if (DEBUG_PACKAGE_SCANNING) { 7016 Log.d(TAG, "Examining " + pkg.codePath 7017 + " and requiring known paths " + known.codePathString 7018 + " & " + known.resourcePathString); 7019 } 7020 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7021 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 7022 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7023 "Application package " + pkg.packageName 7024 + " found at " + pkg.applicationInfo.getCodePath() 7025 + " but expected at " + known.codePathString + "; ignoring."); 7026 } 7027 } 7028 } 7029 } 7030 7031 // Initialize package source and resource directories 7032 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7033 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7034 7035 SharedUserSetting suid = null; 7036 PackageSetting pkgSetting = null; 7037 7038 if (!isSystemApp(pkg)) { 7039 // Only system apps can use these features. 7040 pkg.mOriginalPackages = null; 7041 pkg.mRealPackage = null; 7042 pkg.mAdoptPermissions = null; 7043 } 7044 7045 // writer 7046 synchronized (mPackages) { 7047 if (pkg.mSharedUserId != null) { 7048 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7049 if (suid == null) { 7050 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7051 "Creating application package " + pkg.packageName 7052 + " for shared user failed"); 7053 } 7054 if (DEBUG_PACKAGE_SCANNING) { 7055 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7056 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7057 + "): packages=" + suid.packages); 7058 } 7059 } 7060 7061 // Check if we are renaming from an original package name. 7062 PackageSetting origPackage = null; 7063 String realName = null; 7064 if (pkg.mOriginalPackages != null) { 7065 // This package may need to be renamed to a previously 7066 // installed name. Let's check on that... 7067 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7068 if (pkg.mOriginalPackages.contains(renamed)) { 7069 // This package had originally been installed as the 7070 // original name, and we have already taken care of 7071 // transitioning to the new one. Just update the new 7072 // one to continue using the old name. 7073 realName = pkg.mRealPackage; 7074 if (!pkg.packageName.equals(renamed)) { 7075 // Callers into this function may have already taken 7076 // care of renaming the package; only do it here if 7077 // it is not already done. 7078 pkg.setPackageName(renamed); 7079 } 7080 7081 } else { 7082 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7083 if ((origPackage = mSettings.peekPackageLPr( 7084 pkg.mOriginalPackages.get(i))) != null) { 7085 // We do have the package already installed under its 7086 // original name... should we use it? 7087 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7088 // New package is not compatible with original. 7089 origPackage = null; 7090 continue; 7091 } else if (origPackage.sharedUser != null) { 7092 // Make sure uid is compatible between packages. 7093 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7094 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7095 + " to " + pkg.packageName + ": old uid " 7096 + origPackage.sharedUser.name 7097 + " differs from " + pkg.mSharedUserId); 7098 origPackage = null; 7099 continue; 7100 } 7101 } else { 7102 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7103 + pkg.packageName + " to old name " + origPackage.name); 7104 } 7105 break; 7106 } 7107 } 7108 } 7109 } 7110 7111 if (mTransferedPackages.contains(pkg.packageName)) { 7112 Slog.w(TAG, "Package " + pkg.packageName 7113 + " was transferred to another, but its .apk remains"); 7114 } 7115 7116 // Just create the setting, don't add it yet. For already existing packages 7117 // the PkgSetting exists already and doesn't have to be created. 7118 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7119 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7120 pkg.applicationInfo.primaryCpuAbi, 7121 pkg.applicationInfo.secondaryCpuAbi, 7122 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7123 user, false); 7124 if (pkgSetting == null) { 7125 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7126 "Creating application package " + pkg.packageName + " failed"); 7127 } 7128 7129 if (pkgSetting.origPackage != null) { 7130 // If we are first transitioning from an original package, 7131 // fix up the new package's name now. We need to do this after 7132 // looking up the package under its new name, so getPackageLP 7133 // can take care of fiddling things correctly. 7134 pkg.setPackageName(origPackage.name); 7135 7136 // File a report about this. 7137 String msg = "New package " + pkgSetting.realName 7138 + " renamed to replace old package " + pkgSetting.name; 7139 reportSettingsProblem(Log.WARN, msg); 7140 7141 // Make a note of it. 7142 mTransferedPackages.add(origPackage.name); 7143 7144 // No longer need to retain this. 7145 pkgSetting.origPackage = null; 7146 } 7147 7148 if (realName != null) { 7149 // Make a note of it. 7150 mTransferedPackages.add(pkg.packageName); 7151 } 7152 7153 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7154 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7155 } 7156 7157 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7158 // Check all shared libraries and map to their actual file path. 7159 // We only do this here for apps not on a system dir, because those 7160 // are the only ones that can fail an install due to this. We 7161 // will take care of the system apps by updating all of their 7162 // library paths after the scan is done. 7163 updateSharedLibrariesLPw(pkg, null); 7164 } 7165 7166 if (mFoundPolicyFile) { 7167 SELinuxMMAC.assignSeinfoValue(pkg); 7168 } 7169 7170 pkg.applicationInfo.uid = pkgSetting.appId; 7171 pkg.mExtras = pkgSetting; 7172 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7173 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7174 // We just determined the app is signed correctly, so bring 7175 // over the latest parsed certs. 7176 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7177 } else { 7178 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7179 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7180 "Package " + pkg.packageName + " upgrade keys do not match the " 7181 + "previously installed version"); 7182 } else { 7183 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7184 String msg = "System package " + pkg.packageName 7185 + " signature changed; retaining data."; 7186 reportSettingsProblem(Log.WARN, msg); 7187 } 7188 } 7189 } else { 7190 try { 7191 verifySignaturesLP(pkgSetting, pkg); 7192 // We just determined the app is signed correctly, so bring 7193 // over the latest parsed certs. 7194 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7195 } catch (PackageManagerException e) { 7196 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7197 throw e; 7198 } 7199 // The signature has changed, but this package is in the system 7200 // image... let's recover! 7201 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7202 // However... if this package is part of a shared user, but it 7203 // doesn't match the signature of the shared user, let's fail. 7204 // What this means is that you can't change the signatures 7205 // associated with an overall shared user, which doesn't seem all 7206 // that unreasonable. 7207 if (pkgSetting.sharedUser != null) { 7208 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7209 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7210 throw new PackageManagerException( 7211 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7212 "Signature mismatch for shared user: " 7213 + pkgSetting.sharedUser); 7214 } 7215 } 7216 // File a report about this. 7217 String msg = "System package " + pkg.packageName 7218 + " signature changed; retaining data."; 7219 reportSettingsProblem(Log.WARN, msg); 7220 } 7221 } 7222 // Verify that this new package doesn't have any content providers 7223 // that conflict with existing packages. Only do this if the 7224 // package isn't already installed, since we don't want to break 7225 // things that are installed. 7226 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7227 final int N = pkg.providers.size(); 7228 int i; 7229 for (i=0; i<N; i++) { 7230 PackageParser.Provider p = pkg.providers.get(i); 7231 if (p.info.authority != null) { 7232 String names[] = p.info.authority.split(";"); 7233 for (int j = 0; j < names.length; j++) { 7234 if (mProvidersByAuthority.containsKey(names[j])) { 7235 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7236 final String otherPackageName = 7237 ((other != null && other.getComponentName() != null) ? 7238 other.getComponentName().getPackageName() : "?"); 7239 throw new PackageManagerException( 7240 INSTALL_FAILED_CONFLICTING_PROVIDER, 7241 "Can't install because provider name " + names[j] 7242 + " (in package " + pkg.applicationInfo.packageName 7243 + ") is already used by " + otherPackageName); 7244 } 7245 } 7246 } 7247 } 7248 } 7249 7250 if (pkg.mAdoptPermissions != null) { 7251 // This package wants to adopt ownership of permissions from 7252 // another package. 7253 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7254 final String origName = pkg.mAdoptPermissions.get(i); 7255 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7256 if (orig != null) { 7257 if (verifyPackageUpdateLPr(orig, pkg)) { 7258 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7259 + pkg.packageName); 7260 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7261 } 7262 } 7263 } 7264 } 7265 } 7266 7267 final String pkgName = pkg.packageName; 7268 7269 final long scanFileTime = scanFile.lastModified(); 7270 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7271 pkg.applicationInfo.processName = fixProcessName( 7272 pkg.applicationInfo.packageName, 7273 pkg.applicationInfo.processName, 7274 pkg.applicationInfo.uid); 7275 7276 if (pkg != mPlatformPackage) { 7277 // This is a normal package, need to make its data directory. 7278 final File dataPath = Environment.getDataUserCredentialEncryptedPackageDirectory( 7279 pkg.volumeUuid, UserHandle.USER_SYSTEM, pkg.packageName); 7280 7281 // TOOD: switch to ensure various directories 7282 7283 boolean uidError = false; 7284 if (dataPath.exists()) { 7285 int currentUid = 0; 7286 try { 7287 StructStat stat = Os.stat(dataPath.getPath()); 7288 currentUid = stat.st_uid; 7289 } catch (ErrnoException e) { 7290 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 7291 } 7292 7293 // If we have mismatched owners for the data path, we have a problem. 7294 if (currentUid != pkg.applicationInfo.uid) { 7295 boolean recovered = false; 7296 if (((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0 7297 || (scanFlags & SCAN_BOOTING) != 0)) { 7298 // If this is a system app, we can at least delete its 7299 // current data so the application will still work. 7300 boolean res = removeDataDirsLI(pkg.volumeUuid, pkgName); 7301 if (res) { 7302 // TODO: Kill the processes first 7303 // Old data gone! 7304 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7305 ? "System package " : "Third party package "; 7306 String msg = prefix + pkg.packageName 7307 + " has changed from uid: " 7308 + currentUid + " to " 7309 + pkg.applicationInfo.uid + "; old data erased"; 7310 reportSettingsProblem(Log.WARN, msg); 7311 recovered = true; 7312 } 7313 if (!recovered) { 7314 mHasSystemUidErrors = true; 7315 } 7316 } else { 7317 // If we allow this install to proceed, we will be broken. 7318 // Abort, abort! 7319 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 7320 "Expected data to be owned by UID " + pkg.applicationInfo.uid 7321 + " but found " + currentUid); 7322 } 7323 if (!recovered) { 7324 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 7325 + pkg.applicationInfo.uid + "/fs_" 7326 + currentUid; 7327 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 7328 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 7329 String msg = "Package " + pkg.packageName 7330 + " has mismatched uid: " 7331 + currentUid + " on disk, " 7332 + pkg.applicationInfo.uid + " in settings"; 7333 // writer 7334 synchronized (mPackages) { 7335 mSettings.mReadMessages.append(msg); 7336 mSettings.mReadMessages.append('\n'); 7337 uidError = true; 7338 if (!pkgSetting.uidError) { 7339 reportSettingsProblem(Log.ERROR, msg); 7340 } 7341 } 7342 } 7343 } 7344 7345 // Ensure that directories are prepared 7346 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7347 pkg.applicationInfo.seinfo); 7348 7349 if (mShouldRestoreconData) { 7350 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 7351 // TODO: extend this to restorecon over all users 7352 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 7353 // TODO: triage flags as part of 26466827 7354 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 7355 try { 7356 mInstaller.restoreconAppData(pkg.volumeUuid, pkg.packageName, 7357 UserHandle.USER_SYSTEM, flags, appId, pkg.applicationInfo.seinfo); 7358 } catch (InstallerException e) { 7359 Slog.w(TAG, "Failed to restorecon " + pkg.packageName, e); 7360 } 7361 } 7362 } else { 7363 if (DEBUG_PACKAGE_SCANNING) { 7364 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7365 Log.v(TAG, "Want this data dir: " + dataPath); 7366 } 7367 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7368 pkg.applicationInfo.seinfo); 7369 } 7370 7371 // Get all of our default paths setup 7372 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7373 7374 pkgSetting.uidError = uidError; 7375 } 7376 7377 final String path = scanFile.getPath(); 7378 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7379 7380 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7381 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7382 7383 // Some system apps still use directory structure for native libraries 7384 // in which case we might end up not detecting abi solely based on apk 7385 // structure. Try to detect abi based on directory structure. 7386 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7387 pkg.applicationInfo.primaryCpuAbi == null) { 7388 setBundledAppAbisAndRoots(pkg, pkgSetting); 7389 setNativeLibraryPaths(pkg); 7390 } 7391 7392 } else { 7393 if ((scanFlags & SCAN_MOVE) != 0) { 7394 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7395 // but we already have this packages package info in the PackageSetting. We just 7396 // use that and derive the native library path based on the new codepath. 7397 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7398 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7399 } 7400 7401 // Set native library paths again. For moves, the path will be updated based on the 7402 // ABIs we've determined above. For non-moves, the path will be updated based on the 7403 // ABIs we determined during compilation, but the path will depend on the final 7404 // package path (after the rename away from the stage path). 7405 setNativeLibraryPaths(pkg); 7406 } 7407 7408 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 7409 final int[] userIds = sUserManager.getUserIds(); 7410 synchronized (mInstallLock) { 7411 // Make sure all user data directories are ready to roll; we're okay 7412 // if they already exist 7413 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 7414 for (int userId : userIds) { 7415 if (userId != UserHandle.USER_SYSTEM) { 7416 // TODO: triage flags as part of 26466827 7417 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 7418 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 7419 try { 7420 mInstaller.createAppData(pkg.volumeUuid, pkg.packageName, userId, 7421 flags, appId, pkg.applicationInfo.seinfo); 7422 } catch (InstallerException e) { 7423 throw PackageManagerException.from(e); 7424 } 7425 } 7426 } 7427 } 7428 7429 // Create a native library symlink only if we have native libraries 7430 // and if the native libraries are 32 bit libraries. We do not provide 7431 // this symlink for 64 bit libraries. 7432 if (pkg.applicationInfo.primaryCpuAbi != null && 7433 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7434 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "linkNativeLib"); 7435 try { 7436 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7437 for (int userId : userIds) { 7438 try { 7439 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7440 nativeLibPath, userId); 7441 } catch (InstallerException e) { 7442 throw PackageManagerException.from(e); 7443 } 7444 } 7445 } finally { 7446 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7447 } 7448 } 7449 } 7450 7451 // This is a special case for the "system" package, where the ABI is 7452 // dictated by the zygote configuration (and init.rc). We should keep track 7453 // of this ABI so that we can deal with "normal" applications that run under 7454 // the same UID correctly. 7455 if (mPlatformPackage == pkg) { 7456 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7457 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7458 } 7459 7460 // If there's a mismatch between the abi-override in the package setting 7461 // and the abiOverride specified for the install. Warn about this because we 7462 // would've already compiled the app without taking the package setting into 7463 // account. 7464 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7465 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7466 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7467 " for package " + pkg.packageName); 7468 } 7469 } 7470 7471 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7472 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7473 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7474 7475 // Copy the derived override back to the parsed package, so that we can 7476 // update the package settings accordingly. 7477 pkg.cpuAbiOverride = cpuAbiOverride; 7478 7479 if (DEBUG_ABI_SELECTION) { 7480 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7481 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7482 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7483 } 7484 7485 // Push the derived path down into PackageSettings so we know what to 7486 // clean up at uninstall time. 7487 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7488 7489 if (DEBUG_ABI_SELECTION) { 7490 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7491 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7492 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7493 } 7494 7495 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7496 // We don't do this here during boot because we can do it all 7497 // at once after scanning all existing packages. 7498 // 7499 // We also do this *before* we perform dexopt on this package, so that 7500 // we can avoid redundant dexopts, and also to make sure we've got the 7501 // code and package path correct. 7502 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7503 pkg, true /* boot complete */); 7504 } 7505 7506 if (mFactoryTest && pkg.requestedPermissions.contains( 7507 android.Manifest.permission.FACTORY_TEST)) { 7508 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7509 } 7510 7511 ArrayList<PackageParser.Package> clientLibPkgs = null; 7512 7513 // writer 7514 synchronized (mPackages) { 7515 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7516 // Only system apps can add new shared libraries. 7517 if (pkg.libraryNames != null) { 7518 for (int i=0; i<pkg.libraryNames.size(); i++) { 7519 String name = pkg.libraryNames.get(i); 7520 boolean allowed = false; 7521 if (pkg.isUpdatedSystemApp()) { 7522 // New library entries can only be added through the 7523 // system image. This is important to get rid of a lot 7524 // of nasty edge cases: for example if we allowed a non- 7525 // system update of the app to add a library, then uninstalling 7526 // the update would make the library go away, and assumptions 7527 // we made such as through app install filtering would now 7528 // have allowed apps on the device which aren't compatible 7529 // with it. Better to just have the restriction here, be 7530 // conservative, and create many fewer cases that can negatively 7531 // impact the user experience. 7532 final PackageSetting sysPs = mSettings 7533 .getDisabledSystemPkgLPr(pkg.packageName); 7534 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7535 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7536 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7537 allowed = true; 7538 break; 7539 } 7540 } 7541 } 7542 } else { 7543 allowed = true; 7544 } 7545 if (allowed) { 7546 if (!mSharedLibraries.containsKey(name)) { 7547 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7548 } else if (!name.equals(pkg.packageName)) { 7549 Slog.w(TAG, "Package " + pkg.packageName + " library " 7550 + name + " already exists; skipping"); 7551 } 7552 } else { 7553 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7554 + name + " that is not declared on system image; skipping"); 7555 } 7556 } 7557 if ((scanFlags & SCAN_BOOTING) == 0) { 7558 // If we are not booting, we need to update any applications 7559 // that are clients of our shared library. If we are booting, 7560 // this will all be done once the scan is complete. 7561 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7562 } 7563 } 7564 } 7565 } 7566 7567 // Request the ActivityManager to kill the process(only for existing packages) 7568 // so that we do not end up in a confused state while the user is still using the older 7569 // version of the application while the new one gets installed. 7570 if ((scanFlags & SCAN_REPLACING) != 0) { 7571 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7572 7573 killApplication(pkg.applicationInfo.packageName, 7574 pkg.applicationInfo.uid, "replace pkg"); 7575 7576 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7577 } 7578 7579 // Also need to kill any apps that are dependent on the library. 7580 if (clientLibPkgs != null) { 7581 for (int i=0; i<clientLibPkgs.size(); i++) { 7582 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7583 killApplication(clientPkg.applicationInfo.packageName, 7584 clientPkg.applicationInfo.uid, "update lib"); 7585 } 7586 } 7587 7588 // Make sure we're not adding any bogus keyset info 7589 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7590 ksms.assertScannedPackageValid(pkg); 7591 7592 // writer 7593 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7594 7595 boolean createIdmapFailed = false; 7596 synchronized (mPackages) { 7597 // We don't expect installation to fail beyond this point 7598 7599 // Add the new setting to mSettings 7600 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7601 // Add the new setting to mPackages 7602 mPackages.put(pkg.applicationInfo.packageName, pkg); 7603 // Make sure we don't accidentally delete its data. 7604 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7605 while (iter.hasNext()) { 7606 PackageCleanItem item = iter.next(); 7607 if (pkgName.equals(item.packageName)) { 7608 iter.remove(); 7609 } 7610 } 7611 7612 // Take care of first install / last update times. 7613 if (currentTime != 0) { 7614 if (pkgSetting.firstInstallTime == 0) { 7615 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7616 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7617 pkgSetting.lastUpdateTime = currentTime; 7618 } 7619 } else if (pkgSetting.firstInstallTime == 0) { 7620 // We need *something*. Take time time stamp of the file. 7621 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7622 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7623 if (scanFileTime != pkgSetting.timeStamp) { 7624 // A package on the system image has changed; consider this 7625 // to be an update. 7626 pkgSetting.lastUpdateTime = scanFileTime; 7627 } 7628 } 7629 7630 // Add the package's KeySets to the global KeySetManagerService 7631 ksms.addScannedPackageLPw(pkg); 7632 7633 int N = pkg.providers.size(); 7634 StringBuilder r = null; 7635 int i; 7636 for (i=0; i<N; i++) { 7637 PackageParser.Provider p = pkg.providers.get(i); 7638 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7639 p.info.processName, pkg.applicationInfo.uid); 7640 mProviders.addProvider(p); 7641 p.syncable = p.info.isSyncable; 7642 if (p.info.authority != null) { 7643 String names[] = p.info.authority.split(";"); 7644 p.info.authority = null; 7645 for (int j = 0; j < names.length; j++) { 7646 if (j == 1 && p.syncable) { 7647 // We only want the first authority for a provider to possibly be 7648 // syncable, so if we already added this provider using a different 7649 // authority clear the syncable flag. We copy the provider before 7650 // changing it because the mProviders object contains a reference 7651 // to a provider that we don't want to change. 7652 // Only do this for the second authority since the resulting provider 7653 // object can be the same for all future authorities for this provider. 7654 p = new PackageParser.Provider(p); 7655 p.syncable = false; 7656 } 7657 if (!mProvidersByAuthority.containsKey(names[j])) { 7658 mProvidersByAuthority.put(names[j], p); 7659 if (p.info.authority == null) { 7660 p.info.authority = names[j]; 7661 } else { 7662 p.info.authority = p.info.authority + ";" + names[j]; 7663 } 7664 if (DEBUG_PACKAGE_SCANNING) { 7665 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7666 Log.d(TAG, "Registered content provider: " + names[j] 7667 + ", className = " + p.info.name + ", isSyncable = " 7668 + p.info.isSyncable); 7669 } 7670 } else { 7671 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7672 Slog.w(TAG, "Skipping provider name " + names[j] + 7673 " (in package " + pkg.applicationInfo.packageName + 7674 "): name already used by " 7675 + ((other != null && other.getComponentName() != null) 7676 ? other.getComponentName().getPackageName() : "?")); 7677 } 7678 } 7679 } 7680 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7681 if (r == null) { 7682 r = new StringBuilder(256); 7683 } else { 7684 r.append(' '); 7685 } 7686 r.append(p.info.name); 7687 } 7688 } 7689 if (r != null) { 7690 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7691 } 7692 7693 N = pkg.services.size(); 7694 r = null; 7695 for (i=0; i<N; i++) { 7696 PackageParser.Service s = pkg.services.get(i); 7697 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7698 s.info.processName, pkg.applicationInfo.uid); 7699 mServices.addService(s); 7700 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7701 if (r == null) { 7702 r = new StringBuilder(256); 7703 } else { 7704 r.append(' '); 7705 } 7706 r.append(s.info.name); 7707 } 7708 } 7709 if (r != null) { 7710 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7711 } 7712 7713 N = pkg.receivers.size(); 7714 r = null; 7715 for (i=0; i<N; i++) { 7716 PackageParser.Activity a = pkg.receivers.get(i); 7717 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7718 a.info.processName, pkg.applicationInfo.uid); 7719 mReceivers.addActivity(a, "receiver"); 7720 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7721 if (r == null) { 7722 r = new StringBuilder(256); 7723 } else { 7724 r.append(' '); 7725 } 7726 r.append(a.info.name); 7727 } 7728 } 7729 if (r != null) { 7730 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7731 } 7732 7733 N = pkg.activities.size(); 7734 r = null; 7735 for (i=0; i<N; i++) { 7736 PackageParser.Activity a = pkg.activities.get(i); 7737 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7738 a.info.processName, pkg.applicationInfo.uid); 7739 mActivities.addActivity(a, "activity"); 7740 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7741 if (r == null) { 7742 r = new StringBuilder(256); 7743 } else { 7744 r.append(' '); 7745 } 7746 r.append(a.info.name); 7747 } 7748 } 7749 if (r != null) { 7750 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7751 } 7752 7753 N = pkg.permissionGroups.size(); 7754 r = null; 7755 for (i=0; i<N; i++) { 7756 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7757 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7758 if (cur == null) { 7759 mPermissionGroups.put(pg.info.name, pg); 7760 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7761 if (r == null) { 7762 r = new StringBuilder(256); 7763 } else { 7764 r.append(' '); 7765 } 7766 r.append(pg.info.name); 7767 } 7768 } else { 7769 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7770 + pg.info.packageName + " ignored: original from " 7771 + cur.info.packageName); 7772 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7773 if (r == null) { 7774 r = new StringBuilder(256); 7775 } else { 7776 r.append(' '); 7777 } 7778 r.append("DUP:"); 7779 r.append(pg.info.name); 7780 } 7781 } 7782 } 7783 if (r != null) { 7784 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7785 } 7786 7787 N = pkg.permissions.size(); 7788 r = null; 7789 for (i=0; i<N; i++) { 7790 PackageParser.Permission p = pkg.permissions.get(i); 7791 7792 // Assume by default that we did not install this permission into the system. 7793 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7794 7795 // Now that permission groups have a special meaning, we ignore permission 7796 // groups for legacy apps to prevent unexpected behavior. In particular, 7797 // permissions for one app being granted to someone just becuase they happen 7798 // to be in a group defined by another app (before this had no implications). 7799 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7800 p.group = mPermissionGroups.get(p.info.group); 7801 // Warn for a permission in an unknown group. 7802 if (p.info.group != null && p.group == null) { 7803 Slog.w(TAG, "Permission " + p.info.name + " from package " 7804 + p.info.packageName + " in an unknown group " + p.info.group); 7805 } 7806 } 7807 7808 ArrayMap<String, BasePermission> permissionMap = 7809 p.tree ? mSettings.mPermissionTrees 7810 : mSettings.mPermissions; 7811 BasePermission bp = permissionMap.get(p.info.name); 7812 7813 // Allow system apps to redefine non-system permissions 7814 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7815 final boolean currentOwnerIsSystem = (bp.perm != null 7816 && isSystemApp(bp.perm.owner)); 7817 if (isSystemApp(p.owner)) { 7818 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7819 // It's a built-in permission and no owner, take ownership now 7820 bp.packageSetting = pkgSetting; 7821 bp.perm = p; 7822 bp.uid = pkg.applicationInfo.uid; 7823 bp.sourcePackage = p.info.packageName; 7824 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7825 } else if (!currentOwnerIsSystem) { 7826 String msg = "New decl " + p.owner + " of permission " 7827 + p.info.name + " is system; overriding " + bp.sourcePackage; 7828 reportSettingsProblem(Log.WARN, msg); 7829 bp = null; 7830 } 7831 } 7832 } 7833 7834 if (bp == null) { 7835 bp = new BasePermission(p.info.name, p.info.packageName, 7836 BasePermission.TYPE_NORMAL); 7837 permissionMap.put(p.info.name, bp); 7838 } 7839 7840 if (bp.perm == null) { 7841 if (bp.sourcePackage == null 7842 || bp.sourcePackage.equals(p.info.packageName)) { 7843 BasePermission tree = findPermissionTreeLP(p.info.name); 7844 if (tree == null 7845 || tree.sourcePackage.equals(p.info.packageName)) { 7846 bp.packageSetting = pkgSetting; 7847 bp.perm = p; 7848 bp.uid = pkg.applicationInfo.uid; 7849 bp.sourcePackage = p.info.packageName; 7850 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7851 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7852 if (r == null) { 7853 r = new StringBuilder(256); 7854 } else { 7855 r.append(' '); 7856 } 7857 r.append(p.info.name); 7858 } 7859 } else { 7860 Slog.w(TAG, "Permission " + p.info.name + " from package " 7861 + p.info.packageName + " ignored: base tree " 7862 + tree.name + " is from package " 7863 + tree.sourcePackage); 7864 } 7865 } else { 7866 Slog.w(TAG, "Permission " + p.info.name + " from package " 7867 + p.info.packageName + " ignored: original from " 7868 + bp.sourcePackage); 7869 } 7870 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7871 if (r == null) { 7872 r = new StringBuilder(256); 7873 } else { 7874 r.append(' '); 7875 } 7876 r.append("DUP:"); 7877 r.append(p.info.name); 7878 } 7879 if (bp.perm == p) { 7880 bp.protectionLevel = p.info.protectionLevel; 7881 } 7882 } 7883 7884 if (r != null) { 7885 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7886 } 7887 7888 N = pkg.instrumentation.size(); 7889 r = null; 7890 for (i=0; i<N; i++) { 7891 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7892 a.info.packageName = pkg.applicationInfo.packageName; 7893 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7894 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7895 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7896 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7897 a.info.dataDir = pkg.applicationInfo.dataDir; 7898 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 7899 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 7900 7901 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7902 // need other information about the application, like the ABI and what not ? 7903 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7904 mInstrumentation.put(a.getComponentName(), a); 7905 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7906 if (r == null) { 7907 r = new StringBuilder(256); 7908 } else { 7909 r.append(' '); 7910 } 7911 r.append(a.info.name); 7912 } 7913 } 7914 if (r != null) { 7915 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7916 } 7917 7918 if (pkg.protectedBroadcasts != null) { 7919 N = pkg.protectedBroadcasts.size(); 7920 for (i=0; i<N; i++) { 7921 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7922 } 7923 } 7924 7925 pkgSetting.setTimeStamp(scanFileTime); 7926 7927 // Create idmap files for pairs of (packages, overlay packages). 7928 // Note: "android", ie framework-res.apk, is handled by native layers. 7929 if (pkg.mOverlayTarget != null) { 7930 // This is an overlay package. 7931 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7932 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7933 mOverlays.put(pkg.mOverlayTarget, 7934 new ArrayMap<String, PackageParser.Package>()); 7935 } 7936 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7937 map.put(pkg.packageName, pkg); 7938 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7939 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7940 createIdmapFailed = true; 7941 } 7942 } 7943 } else if (mOverlays.containsKey(pkg.packageName) && 7944 !pkg.packageName.equals("android")) { 7945 // This is a regular package, with one or more known overlay packages. 7946 createIdmapsForPackageLI(pkg); 7947 } 7948 } 7949 7950 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7951 7952 if (createIdmapFailed) { 7953 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7954 "scanPackageLI failed to createIdmap"); 7955 } 7956 return pkg; 7957 } 7958 7959 /** 7960 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7961 * is derived purely on the basis of the contents of {@code scanFile} and 7962 * {@code cpuAbiOverride}. 7963 * 7964 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7965 */ 7966 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7967 String cpuAbiOverride, boolean extractLibs) 7968 throws PackageManagerException { 7969 // TODO: We can probably be smarter about this stuff. For installed apps, 7970 // we can calculate this information at install time once and for all. For 7971 // system apps, we can probably assume that this information doesn't change 7972 // after the first boot scan. As things stand, we do lots of unnecessary work. 7973 7974 // Give ourselves some initial paths; we'll come back for another 7975 // pass once we've determined ABI below. 7976 setNativeLibraryPaths(pkg); 7977 7978 // We would never need to extract libs for forward-locked and external packages, 7979 // since the container service will do it for us. We shouldn't attempt to 7980 // extract libs from system app when it was not updated. 7981 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 7982 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 7983 extractLibs = false; 7984 } 7985 7986 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7987 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7988 7989 NativeLibraryHelper.Handle handle = null; 7990 try { 7991 handle = NativeLibraryHelper.Handle.create(pkg); 7992 // TODO(multiArch): This can be null for apps that didn't go through the 7993 // usual installation process. We can calculate it again, like we 7994 // do during install time. 7995 // 7996 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7997 // unnecessary. 7998 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7999 8000 // Null out the abis so that they can be recalculated. 8001 pkg.applicationInfo.primaryCpuAbi = null; 8002 pkg.applicationInfo.secondaryCpuAbi = null; 8003 if (isMultiArch(pkg.applicationInfo)) { 8004 // Warn if we've set an abiOverride for multi-lib packages.. 8005 // By definition, we need to copy both 32 and 64 bit libraries for 8006 // such packages. 8007 if (pkg.cpuAbiOverride != null 8008 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8009 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8010 } 8011 8012 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8013 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8014 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8015 if (extractLibs) { 8016 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8017 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8018 useIsaSpecificSubdirs); 8019 } else { 8020 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8021 } 8022 } 8023 8024 maybeThrowExceptionForMultiArchCopy( 8025 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8026 8027 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8028 if (extractLibs) { 8029 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8030 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8031 useIsaSpecificSubdirs); 8032 } else { 8033 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8034 } 8035 } 8036 8037 maybeThrowExceptionForMultiArchCopy( 8038 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8039 8040 if (abi64 >= 0) { 8041 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8042 } 8043 8044 if (abi32 >= 0) { 8045 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8046 if (abi64 >= 0) { 8047 pkg.applicationInfo.secondaryCpuAbi = abi; 8048 } else { 8049 pkg.applicationInfo.primaryCpuAbi = abi; 8050 } 8051 } 8052 } else { 8053 String[] abiList = (cpuAbiOverride != null) ? 8054 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8055 8056 // Enable gross and lame hacks for apps that are built with old 8057 // SDK tools. We must scan their APKs for renderscript bitcode and 8058 // not launch them if it's present. Don't bother checking on devices 8059 // that don't have 64 bit support. 8060 boolean needsRenderScriptOverride = false; 8061 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8062 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8063 abiList = Build.SUPPORTED_32_BIT_ABIS; 8064 needsRenderScriptOverride = true; 8065 } 8066 8067 final int copyRet; 8068 if (extractLibs) { 8069 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8070 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8071 } else { 8072 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8073 } 8074 8075 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8076 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8077 "Error unpackaging native libs for app, errorCode=" + copyRet); 8078 } 8079 8080 if (copyRet >= 0) { 8081 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8082 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8083 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8084 } else if (needsRenderScriptOverride) { 8085 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8086 } 8087 } 8088 } catch (IOException ioe) { 8089 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8090 } finally { 8091 IoUtils.closeQuietly(handle); 8092 } 8093 8094 // Now that we've calculated the ABIs and determined if it's an internal app, 8095 // we will go ahead and populate the nativeLibraryPath. 8096 setNativeLibraryPaths(pkg); 8097 } 8098 8099 /** 8100 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8101 * i.e, so that all packages can be run inside a single process if required. 8102 * 8103 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8104 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8105 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8106 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8107 * updating a package that belongs to a shared user. 8108 * 8109 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8110 * adds unnecessary complexity. 8111 */ 8112 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8113 PackageParser.Package scannedPackage, boolean bootComplete) { 8114 String requiredInstructionSet = null; 8115 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8116 requiredInstructionSet = VMRuntime.getInstructionSet( 8117 scannedPackage.applicationInfo.primaryCpuAbi); 8118 } 8119 8120 PackageSetting requirer = null; 8121 for (PackageSetting ps : packagesForUser) { 8122 // If packagesForUser contains scannedPackage, we skip it. This will happen 8123 // when scannedPackage is an update of an existing package. Without this check, 8124 // we will never be able to change the ABI of any package belonging to a shared 8125 // user, even if it's compatible with other packages. 8126 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8127 if (ps.primaryCpuAbiString == null) { 8128 continue; 8129 } 8130 8131 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8132 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8133 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8134 // this but there's not much we can do. 8135 String errorMessage = "Instruction set mismatch, " 8136 + ((requirer == null) ? "[caller]" : requirer) 8137 + " requires " + requiredInstructionSet + " whereas " + ps 8138 + " requires " + instructionSet; 8139 Slog.w(TAG, errorMessage); 8140 } 8141 8142 if (requiredInstructionSet == null) { 8143 requiredInstructionSet = instructionSet; 8144 requirer = ps; 8145 } 8146 } 8147 } 8148 8149 if (requiredInstructionSet != null) { 8150 String adjustedAbi; 8151 if (requirer != null) { 8152 // requirer != null implies that either scannedPackage was null or that scannedPackage 8153 // did not require an ABI, in which case we have to adjust scannedPackage to match 8154 // the ABI of the set (which is the same as requirer's ABI) 8155 adjustedAbi = requirer.primaryCpuAbiString; 8156 if (scannedPackage != null) { 8157 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8158 } 8159 } else { 8160 // requirer == null implies that we're updating all ABIs in the set to 8161 // match scannedPackage. 8162 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8163 } 8164 8165 for (PackageSetting ps : packagesForUser) { 8166 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8167 if (ps.primaryCpuAbiString != null) { 8168 continue; 8169 } 8170 8171 ps.primaryCpuAbiString = adjustedAbi; 8172 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 8173 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8174 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi); 8175 try { 8176 mInstaller.rmdex(ps.codePathString, 8177 getDexCodeInstructionSet(getPreferredInstructionSet())); 8178 } catch (InstallerException ignored) { 8179 } 8180 } 8181 } 8182 } 8183 } 8184 } 8185 8186 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8187 synchronized (mPackages) { 8188 mResolverReplaced = true; 8189 // Set up information for custom user intent resolution activity. 8190 mResolveActivity.applicationInfo = pkg.applicationInfo; 8191 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8192 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8193 mResolveActivity.processName = pkg.applicationInfo.packageName; 8194 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8195 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8196 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8197 mResolveActivity.theme = 0; 8198 mResolveActivity.exported = true; 8199 mResolveActivity.enabled = true; 8200 mResolveInfo.activityInfo = mResolveActivity; 8201 mResolveInfo.priority = 0; 8202 mResolveInfo.preferredOrder = 0; 8203 mResolveInfo.match = 0; 8204 mResolveComponentName = mCustomResolverComponentName; 8205 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8206 mResolveComponentName); 8207 } 8208 } 8209 8210 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8211 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8212 8213 // Set up information for ephemeral installer activity 8214 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8215 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8216 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8217 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8218 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8219 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8220 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8221 mEphemeralInstallerActivity.theme = 0; 8222 mEphemeralInstallerActivity.exported = true; 8223 mEphemeralInstallerActivity.enabled = true; 8224 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8225 mEphemeralInstallerInfo.priority = 0; 8226 mEphemeralInstallerInfo.preferredOrder = 0; 8227 mEphemeralInstallerInfo.match = 0; 8228 8229 if (DEBUG_EPHEMERAL) { 8230 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8231 } 8232 } 8233 8234 private static String calculateBundledApkRoot(final String codePathString) { 8235 final File codePath = new File(codePathString); 8236 final File codeRoot; 8237 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8238 codeRoot = Environment.getRootDirectory(); 8239 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8240 codeRoot = Environment.getOemDirectory(); 8241 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8242 codeRoot = Environment.getVendorDirectory(); 8243 } else { 8244 // Unrecognized code path; take its top real segment as the apk root: 8245 // e.g. /something/app/blah.apk => /something 8246 try { 8247 File f = codePath.getCanonicalFile(); 8248 File parent = f.getParentFile(); // non-null because codePath is a file 8249 File tmp; 8250 while ((tmp = parent.getParentFile()) != null) { 8251 f = parent; 8252 parent = tmp; 8253 } 8254 codeRoot = f; 8255 Slog.w(TAG, "Unrecognized code path " 8256 + codePath + " - using " + codeRoot); 8257 } catch (IOException e) { 8258 // Can't canonicalize the code path -- shenanigans? 8259 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8260 return Environment.getRootDirectory().getPath(); 8261 } 8262 } 8263 return codeRoot.getPath(); 8264 } 8265 8266 /** 8267 * Derive and set the location of native libraries for the given package, 8268 * which varies depending on where and how the package was installed. 8269 */ 8270 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8271 final ApplicationInfo info = pkg.applicationInfo; 8272 final String codePath = pkg.codePath; 8273 final File codeFile = new File(codePath); 8274 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8275 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8276 8277 info.nativeLibraryRootDir = null; 8278 info.nativeLibraryRootRequiresIsa = false; 8279 info.nativeLibraryDir = null; 8280 info.secondaryNativeLibraryDir = null; 8281 8282 if (isApkFile(codeFile)) { 8283 // Monolithic install 8284 if (bundledApp) { 8285 // If "/system/lib64/apkname" exists, assume that is the per-package 8286 // native library directory to use; otherwise use "/system/lib/apkname". 8287 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8288 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8289 getPrimaryInstructionSet(info)); 8290 8291 // This is a bundled system app so choose the path based on the ABI. 8292 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8293 // is just the default path. 8294 final String apkName = deriveCodePathName(codePath); 8295 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8296 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8297 apkName).getAbsolutePath(); 8298 8299 if (info.secondaryCpuAbi != null) { 8300 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8301 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8302 secondaryLibDir, apkName).getAbsolutePath(); 8303 } 8304 } else if (asecApp) { 8305 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8306 .getAbsolutePath(); 8307 } else { 8308 final String apkName = deriveCodePathName(codePath); 8309 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8310 .getAbsolutePath(); 8311 } 8312 8313 info.nativeLibraryRootRequiresIsa = false; 8314 info.nativeLibraryDir = info.nativeLibraryRootDir; 8315 } else { 8316 // Cluster install 8317 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8318 info.nativeLibraryRootRequiresIsa = true; 8319 8320 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8321 getPrimaryInstructionSet(info)).getAbsolutePath(); 8322 8323 if (info.secondaryCpuAbi != null) { 8324 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8325 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8326 } 8327 } 8328 } 8329 8330 /** 8331 * Calculate the abis and roots for a bundled app. These can uniquely 8332 * be determined from the contents of the system partition, i.e whether 8333 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8334 * of this information, and instead assume that the system was built 8335 * sensibly. 8336 */ 8337 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8338 PackageSetting pkgSetting) { 8339 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8340 8341 // If "/system/lib64/apkname" exists, assume that is the per-package 8342 // native library directory to use; otherwise use "/system/lib/apkname". 8343 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8344 setBundledAppAbi(pkg, apkRoot, apkName); 8345 // pkgSetting might be null during rescan following uninstall of updates 8346 // to a bundled app, so accommodate that possibility. The settings in 8347 // that case will be established later from the parsed package. 8348 // 8349 // If the settings aren't null, sync them up with what we've just derived. 8350 // note that apkRoot isn't stored in the package settings. 8351 if (pkgSetting != null) { 8352 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8353 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8354 } 8355 } 8356 8357 /** 8358 * Deduces the ABI of a bundled app and sets the relevant fields on the 8359 * parsed pkg object. 8360 * 8361 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8362 * under which system libraries are installed. 8363 * @param apkName the name of the installed package. 8364 */ 8365 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8366 final File codeFile = new File(pkg.codePath); 8367 8368 final boolean has64BitLibs; 8369 final boolean has32BitLibs; 8370 if (isApkFile(codeFile)) { 8371 // Monolithic install 8372 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8373 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8374 } else { 8375 // Cluster install 8376 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8377 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8378 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8379 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8380 has64BitLibs = (new File(rootDir, isa)).exists(); 8381 } else { 8382 has64BitLibs = false; 8383 } 8384 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8385 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8386 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8387 has32BitLibs = (new File(rootDir, isa)).exists(); 8388 } else { 8389 has32BitLibs = false; 8390 } 8391 } 8392 8393 if (has64BitLibs && !has32BitLibs) { 8394 // The package has 64 bit libs, but not 32 bit libs. Its primary 8395 // ABI should be 64 bit. We can safely assume here that the bundled 8396 // native libraries correspond to the most preferred ABI in the list. 8397 8398 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8399 pkg.applicationInfo.secondaryCpuAbi = null; 8400 } else if (has32BitLibs && !has64BitLibs) { 8401 // The package has 32 bit libs but not 64 bit libs. Its primary 8402 // ABI should be 32 bit. 8403 8404 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8405 pkg.applicationInfo.secondaryCpuAbi = null; 8406 } else if (has32BitLibs && has64BitLibs) { 8407 // The application has both 64 and 32 bit bundled libraries. We check 8408 // here that the app declares multiArch support, and warn if it doesn't. 8409 // 8410 // We will be lenient here and record both ABIs. The primary will be the 8411 // ABI that's higher on the list, i.e, a device that's configured to prefer 8412 // 64 bit apps will see a 64 bit primary ABI, 8413 8414 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8415 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8416 } 8417 8418 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8419 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8420 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8421 } else { 8422 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8423 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8424 } 8425 } else { 8426 pkg.applicationInfo.primaryCpuAbi = null; 8427 pkg.applicationInfo.secondaryCpuAbi = null; 8428 } 8429 } 8430 8431 private void killApplication(String pkgName, int appId, String reason) { 8432 // Request the ActivityManager to kill the process(only for existing packages) 8433 // so that we do not end up in a confused state while the user is still using the older 8434 // version of the application while the new one gets installed. 8435 IActivityManager am = ActivityManagerNative.getDefault(); 8436 if (am != null) { 8437 try { 8438 am.killApplicationWithAppId(pkgName, appId, reason); 8439 } catch (RemoteException e) { 8440 } 8441 } 8442 } 8443 8444 void removePackageLI(PackageSetting ps, boolean chatty) { 8445 if (DEBUG_INSTALL) { 8446 if (chatty) 8447 Log.d(TAG, "Removing package " + ps.name); 8448 } 8449 8450 // writer 8451 synchronized (mPackages) { 8452 mPackages.remove(ps.name); 8453 final PackageParser.Package pkg = ps.pkg; 8454 if (pkg != null) { 8455 cleanPackageDataStructuresLILPw(pkg, chatty); 8456 } 8457 } 8458 } 8459 8460 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8461 if (DEBUG_INSTALL) { 8462 if (chatty) 8463 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8464 } 8465 8466 // writer 8467 synchronized (mPackages) { 8468 mPackages.remove(pkg.applicationInfo.packageName); 8469 cleanPackageDataStructuresLILPw(pkg, chatty); 8470 } 8471 } 8472 8473 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8474 int N = pkg.providers.size(); 8475 StringBuilder r = null; 8476 int i; 8477 for (i=0; i<N; i++) { 8478 PackageParser.Provider p = pkg.providers.get(i); 8479 mProviders.removeProvider(p); 8480 if (p.info.authority == null) { 8481 8482 /* There was another ContentProvider with this authority when 8483 * this app was installed so this authority is null, 8484 * Ignore it as we don't have to unregister the provider. 8485 */ 8486 continue; 8487 } 8488 String names[] = p.info.authority.split(";"); 8489 for (int j = 0; j < names.length; j++) { 8490 if (mProvidersByAuthority.get(names[j]) == p) { 8491 mProvidersByAuthority.remove(names[j]); 8492 if (DEBUG_REMOVE) { 8493 if (chatty) 8494 Log.d(TAG, "Unregistered content provider: " + names[j] 8495 + ", className = " + p.info.name + ", isSyncable = " 8496 + p.info.isSyncable); 8497 } 8498 } 8499 } 8500 if (DEBUG_REMOVE && chatty) { 8501 if (r == null) { 8502 r = new StringBuilder(256); 8503 } else { 8504 r.append(' '); 8505 } 8506 r.append(p.info.name); 8507 } 8508 } 8509 if (r != null) { 8510 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8511 } 8512 8513 N = pkg.services.size(); 8514 r = null; 8515 for (i=0; i<N; i++) { 8516 PackageParser.Service s = pkg.services.get(i); 8517 mServices.removeService(s); 8518 if (chatty) { 8519 if (r == null) { 8520 r = new StringBuilder(256); 8521 } else { 8522 r.append(' '); 8523 } 8524 r.append(s.info.name); 8525 } 8526 } 8527 if (r != null) { 8528 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8529 } 8530 8531 N = pkg.receivers.size(); 8532 r = null; 8533 for (i=0; i<N; i++) { 8534 PackageParser.Activity a = pkg.receivers.get(i); 8535 mReceivers.removeActivity(a, "receiver"); 8536 if (DEBUG_REMOVE && chatty) { 8537 if (r == null) { 8538 r = new StringBuilder(256); 8539 } else { 8540 r.append(' '); 8541 } 8542 r.append(a.info.name); 8543 } 8544 } 8545 if (r != null) { 8546 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8547 } 8548 8549 N = pkg.activities.size(); 8550 r = null; 8551 for (i=0; i<N; i++) { 8552 PackageParser.Activity a = pkg.activities.get(i); 8553 mActivities.removeActivity(a, "activity"); 8554 if (DEBUG_REMOVE && chatty) { 8555 if (r == null) { 8556 r = new StringBuilder(256); 8557 } else { 8558 r.append(' '); 8559 } 8560 r.append(a.info.name); 8561 } 8562 } 8563 if (r != null) { 8564 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8565 } 8566 8567 N = pkg.permissions.size(); 8568 r = null; 8569 for (i=0; i<N; i++) { 8570 PackageParser.Permission p = pkg.permissions.get(i); 8571 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8572 if (bp == null) { 8573 bp = mSettings.mPermissionTrees.get(p.info.name); 8574 } 8575 if (bp != null && bp.perm == p) { 8576 bp.perm = null; 8577 if (DEBUG_REMOVE && chatty) { 8578 if (r == null) { 8579 r = new StringBuilder(256); 8580 } else { 8581 r.append(' '); 8582 } 8583 r.append(p.info.name); 8584 } 8585 } 8586 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8587 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 8588 if (appOpPkgs != null) { 8589 appOpPkgs.remove(pkg.packageName); 8590 } 8591 } 8592 } 8593 if (r != null) { 8594 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8595 } 8596 8597 N = pkg.requestedPermissions.size(); 8598 r = null; 8599 for (i=0; i<N; i++) { 8600 String perm = pkg.requestedPermissions.get(i); 8601 BasePermission bp = mSettings.mPermissions.get(perm); 8602 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8603 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 8604 if (appOpPkgs != null) { 8605 appOpPkgs.remove(pkg.packageName); 8606 if (appOpPkgs.isEmpty()) { 8607 mAppOpPermissionPackages.remove(perm); 8608 } 8609 } 8610 } 8611 } 8612 if (r != null) { 8613 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8614 } 8615 8616 N = pkg.instrumentation.size(); 8617 r = null; 8618 for (i=0; i<N; i++) { 8619 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8620 mInstrumentation.remove(a.getComponentName()); 8621 if (DEBUG_REMOVE && chatty) { 8622 if (r == null) { 8623 r = new StringBuilder(256); 8624 } else { 8625 r.append(' '); 8626 } 8627 r.append(a.info.name); 8628 } 8629 } 8630 if (r != null) { 8631 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8632 } 8633 8634 r = null; 8635 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8636 // Only system apps can hold shared libraries. 8637 if (pkg.libraryNames != null) { 8638 for (i=0; i<pkg.libraryNames.size(); i++) { 8639 String name = pkg.libraryNames.get(i); 8640 SharedLibraryEntry cur = mSharedLibraries.get(name); 8641 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8642 mSharedLibraries.remove(name); 8643 if (DEBUG_REMOVE && chatty) { 8644 if (r == null) { 8645 r = new StringBuilder(256); 8646 } else { 8647 r.append(' '); 8648 } 8649 r.append(name); 8650 } 8651 } 8652 } 8653 } 8654 } 8655 if (r != null) { 8656 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8657 } 8658 } 8659 8660 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8661 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8662 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8663 return true; 8664 } 8665 } 8666 return false; 8667 } 8668 8669 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8670 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8671 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8672 8673 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 8674 int flags) { 8675 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 8676 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 8677 } 8678 8679 private void updatePermissionsLPw(String changingPkg, 8680 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 8681 // Make sure there are no dangling permission trees. 8682 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8683 while (it.hasNext()) { 8684 final BasePermission bp = it.next(); 8685 if (bp.packageSetting == null) { 8686 // We may not yet have parsed the package, so just see if 8687 // we still know about its settings. 8688 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8689 } 8690 if (bp.packageSetting == null) { 8691 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8692 + " from package " + bp.sourcePackage); 8693 it.remove(); 8694 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8695 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8696 Slog.i(TAG, "Removing old permission tree: " + bp.name 8697 + " from package " + bp.sourcePackage); 8698 flags |= UPDATE_PERMISSIONS_ALL; 8699 it.remove(); 8700 } 8701 } 8702 } 8703 8704 // Make sure all dynamic permissions have been assigned to a package, 8705 // and make sure there are no dangling permissions. 8706 it = mSettings.mPermissions.values().iterator(); 8707 while (it.hasNext()) { 8708 final BasePermission bp = it.next(); 8709 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8710 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8711 + bp.name + " pkg=" + bp.sourcePackage 8712 + " info=" + bp.pendingInfo); 8713 if (bp.packageSetting == null && bp.pendingInfo != null) { 8714 final BasePermission tree = findPermissionTreeLP(bp.name); 8715 if (tree != null && tree.perm != null) { 8716 bp.packageSetting = tree.packageSetting; 8717 bp.perm = new PackageParser.Permission(tree.perm.owner, 8718 new PermissionInfo(bp.pendingInfo)); 8719 bp.perm.info.packageName = tree.perm.info.packageName; 8720 bp.perm.info.name = bp.name; 8721 bp.uid = tree.uid; 8722 } 8723 } 8724 } 8725 if (bp.packageSetting == null) { 8726 // We may not yet have parsed the package, so just see if 8727 // we still know about its settings. 8728 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8729 } 8730 if (bp.packageSetting == null) { 8731 Slog.w(TAG, "Removing dangling permission: " + bp.name 8732 + " from package " + bp.sourcePackage); 8733 it.remove(); 8734 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8735 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8736 Slog.i(TAG, "Removing old permission: " + bp.name 8737 + " from package " + bp.sourcePackage); 8738 flags |= UPDATE_PERMISSIONS_ALL; 8739 it.remove(); 8740 } 8741 } 8742 } 8743 8744 // Now update the permissions for all packages, in particular 8745 // replace the granted permissions of the system packages. 8746 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8747 for (PackageParser.Package pkg : mPackages.values()) { 8748 if (pkg != pkgInfo) { 8749 // Only replace for packages on requested volume 8750 final String volumeUuid = getVolumeUuidForPackage(pkg); 8751 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 8752 && Objects.equals(replaceVolumeUuid, volumeUuid); 8753 grantPermissionsLPw(pkg, replace, changingPkg); 8754 } 8755 } 8756 } 8757 8758 if (pkgInfo != null) { 8759 // Only replace for packages on requested volume 8760 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 8761 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 8762 && Objects.equals(replaceVolumeUuid, volumeUuid); 8763 grantPermissionsLPw(pkgInfo, replace, changingPkg); 8764 } 8765 } 8766 8767 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8768 String packageOfInterest) { 8769 // IMPORTANT: There are two types of permissions: install and runtime. 8770 // Install time permissions are granted when the app is installed to 8771 // all device users and users added in the future. Runtime permissions 8772 // are granted at runtime explicitly to specific users. Normal and signature 8773 // protected permissions are install time permissions. Dangerous permissions 8774 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8775 // otherwise they are runtime permissions. This function does not manage 8776 // runtime permissions except for the case an app targeting Lollipop MR1 8777 // being upgraded to target a newer SDK, in which case dangerous permissions 8778 // are transformed from install time to runtime ones. 8779 8780 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8781 if (ps == null) { 8782 return; 8783 } 8784 8785 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 8786 8787 PermissionsState permissionsState = ps.getPermissionsState(); 8788 PermissionsState origPermissions = permissionsState; 8789 8790 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8791 8792 boolean runtimePermissionsRevoked = false; 8793 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8794 8795 boolean changedInstallPermission = false; 8796 8797 if (replace) { 8798 ps.installPermissionsFixed = false; 8799 if (!ps.isSharedUser()) { 8800 origPermissions = new PermissionsState(permissionsState); 8801 permissionsState.reset(); 8802 } else { 8803 // We need to know only about runtime permission changes since the 8804 // calling code always writes the install permissions state but 8805 // the runtime ones are written only if changed. The only cases of 8806 // changed runtime permissions here are promotion of an install to 8807 // runtime and revocation of a runtime from a shared user. 8808 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 8809 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 8810 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 8811 runtimePermissionsRevoked = true; 8812 } 8813 } 8814 } 8815 8816 permissionsState.setGlobalGids(mGlobalGids); 8817 8818 final int N = pkg.requestedPermissions.size(); 8819 for (int i=0; i<N; i++) { 8820 final String name = pkg.requestedPermissions.get(i); 8821 final BasePermission bp = mSettings.mPermissions.get(name); 8822 8823 if (DEBUG_INSTALL) { 8824 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8825 } 8826 8827 if (bp == null || bp.packageSetting == null) { 8828 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8829 Slog.w(TAG, "Unknown permission " + name 8830 + " in package " + pkg.packageName); 8831 } 8832 continue; 8833 } 8834 8835 final String perm = bp.name; 8836 boolean allowedSig = false; 8837 int grant = GRANT_DENIED; 8838 8839 // Keep track of app op permissions. 8840 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8841 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8842 if (pkgs == null) { 8843 pkgs = new ArraySet<>(); 8844 mAppOpPermissionPackages.put(bp.name, pkgs); 8845 } 8846 pkgs.add(pkg.packageName); 8847 } 8848 8849 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8850 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 8851 >= Build.VERSION_CODES.M; 8852 switch (level) { 8853 case PermissionInfo.PROTECTION_NORMAL: { 8854 // For all apps normal permissions are install time ones. 8855 grant = GRANT_INSTALL; 8856 } break; 8857 8858 case PermissionInfo.PROTECTION_DANGEROUS: { 8859 // If a permission review is required for legacy apps we represent 8860 // their permissions as always granted runtime ones since we need 8861 // to keep the review required permission flag per user while an 8862 // install permission's state is shared across all users. 8863 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 8864 // For legacy apps dangerous permissions are install time ones. 8865 grant = GRANT_INSTALL; 8866 } else if (origPermissions.hasInstallPermission(bp.name)) { 8867 // For legacy apps that became modern, install becomes runtime. 8868 grant = GRANT_UPGRADE; 8869 } else if (mPromoteSystemApps 8870 && isSystemApp(ps) 8871 && mExistingSystemPackages.contains(ps.name)) { 8872 // For legacy system apps, install becomes runtime. 8873 // We cannot check hasInstallPermission() for system apps since those 8874 // permissions were granted implicitly and not persisted pre-M. 8875 grant = GRANT_UPGRADE; 8876 } else { 8877 // For modern apps keep runtime permissions unchanged. 8878 grant = GRANT_RUNTIME; 8879 } 8880 } break; 8881 8882 case PermissionInfo.PROTECTION_SIGNATURE: { 8883 // For all apps signature permissions are install time ones. 8884 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8885 if (allowedSig) { 8886 grant = GRANT_INSTALL; 8887 } 8888 } break; 8889 } 8890 8891 if (DEBUG_INSTALL) { 8892 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8893 } 8894 8895 if (grant != GRANT_DENIED) { 8896 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8897 // If this is an existing, non-system package, then 8898 // we can't add any new permissions to it. 8899 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8900 // Except... if this is a permission that was added 8901 // to the platform (note: need to only do this when 8902 // updating the platform). 8903 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8904 grant = GRANT_DENIED; 8905 } 8906 } 8907 } 8908 8909 switch (grant) { 8910 case GRANT_INSTALL: { 8911 // Revoke this as runtime permission to handle the case of 8912 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 8913 for (int userId : UserManagerService.getInstance().getUserIds()) { 8914 if (origPermissions.getRuntimePermissionState( 8915 bp.name, userId) != null) { 8916 // Revoke the runtime permission and clear the flags. 8917 origPermissions.revokeRuntimePermission(bp, userId); 8918 origPermissions.updatePermissionFlags(bp, userId, 8919 PackageManager.MASK_PERMISSION_FLAGS, 0); 8920 // If we revoked a permission permission, we have to write. 8921 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8922 changedRuntimePermissionUserIds, userId); 8923 } 8924 } 8925 // Grant an install permission. 8926 if (permissionsState.grantInstallPermission(bp) != 8927 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8928 changedInstallPermission = true; 8929 } 8930 } break; 8931 8932 case GRANT_RUNTIME: { 8933 // Grant previously granted runtime permissions. 8934 for (int userId : UserManagerService.getInstance().getUserIds()) { 8935 PermissionState permissionState = origPermissions 8936 .getRuntimePermissionState(bp.name, userId); 8937 int flags = permissionState != null 8938 ? permissionState.getFlags() : 0; 8939 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8940 if (permissionsState.grantRuntimePermission(bp, userId) == 8941 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8942 // If we cannot put the permission as it was, we have to write. 8943 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8944 changedRuntimePermissionUserIds, userId); 8945 } 8946 // If the app supports runtime permissions no need for a review. 8947 if (Build.PERMISSIONS_REVIEW_REQUIRED 8948 && appSupportsRuntimePermissions 8949 && (flags & PackageManager 8950 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 8951 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 8952 // Since we changed the flags, we have to write. 8953 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8954 changedRuntimePermissionUserIds, userId); 8955 } 8956 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 8957 && !appSupportsRuntimePermissions) { 8958 // For legacy apps that need a permission review, every new 8959 // runtime permission is granted but it is pending a review. 8960 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 8961 permissionsState.grantRuntimePermission(bp, userId); 8962 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 8963 // We changed the permission and flags, hence have to write. 8964 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8965 changedRuntimePermissionUserIds, userId); 8966 } 8967 } 8968 // Propagate the permission flags. 8969 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8970 } 8971 } break; 8972 8973 case GRANT_UPGRADE: { 8974 // Grant runtime permissions for a previously held install permission. 8975 PermissionState permissionState = origPermissions 8976 .getInstallPermissionState(bp.name); 8977 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8978 8979 if (origPermissions.revokeInstallPermission(bp) 8980 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8981 // We will be transferring the permission flags, so clear them. 8982 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8983 PackageManager.MASK_PERMISSION_FLAGS, 0); 8984 changedInstallPermission = true; 8985 } 8986 8987 // If the permission is not to be promoted to runtime we ignore it and 8988 // also its other flags as they are not applicable to install permissions. 8989 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8990 for (int userId : currentUserIds) { 8991 if (permissionsState.grantRuntimePermission(bp, userId) != 8992 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8993 // Transfer the permission flags. 8994 permissionsState.updatePermissionFlags(bp, userId, 8995 flags, flags); 8996 // If we granted the permission, we have to write. 8997 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8998 changedRuntimePermissionUserIds, userId); 8999 } 9000 } 9001 } 9002 } break; 9003 9004 default: { 9005 if (packageOfInterest == null 9006 || packageOfInterest.equals(pkg.packageName)) { 9007 Slog.w(TAG, "Not granting permission " + perm 9008 + " to package " + pkg.packageName 9009 + " because it was previously installed without"); 9010 } 9011 } break; 9012 } 9013 } else { 9014 if (permissionsState.revokeInstallPermission(bp) != 9015 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9016 // Also drop the permission flags. 9017 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9018 PackageManager.MASK_PERMISSION_FLAGS, 0); 9019 changedInstallPermission = true; 9020 Slog.i(TAG, "Un-granting permission " + perm 9021 + " from package " + pkg.packageName 9022 + " (protectionLevel=" + bp.protectionLevel 9023 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9024 + ")"); 9025 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9026 // Don't print warning for app op permissions, since it is fine for them 9027 // not to be granted, there is a UI for the user to decide. 9028 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9029 Slog.w(TAG, "Not granting permission " + perm 9030 + " to package " + pkg.packageName 9031 + " (protectionLevel=" + bp.protectionLevel 9032 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9033 + ")"); 9034 } 9035 } 9036 } 9037 } 9038 9039 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9040 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9041 // This is the first that we have heard about this package, so the 9042 // permissions we have now selected are fixed until explicitly 9043 // changed. 9044 ps.installPermissionsFixed = true; 9045 } 9046 9047 // Persist the runtime permissions state for users with changes. If permissions 9048 // were revoked because no app in the shared user declares them we have to 9049 // write synchronously to avoid losing runtime permissions state. 9050 for (int userId : changedRuntimePermissionUserIds) { 9051 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9052 } 9053 9054 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9055 } 9056 9057 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9058 boolean allowed = false; 9059 final int NP = PackageParser.NEW_PERMISSIONS.length; 9060 for (int ip=0; ip<NP; ip++) { 9061 final PackageParser.NewPermissionInfo npi 9062 = PackageParser.NEW_PERMISSIONS[ip]; 9063 if (npi.name.equals(perm) 9064 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9065 allowed = true; 9066 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9067 + pkg.packageName); 9068 break; 9069 } 9070 } 9071 return allowed; 9072 } 9073 9074 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9075 BasePermission bp, PermissionsState origPermissions) { 9076 boolean allowed; 9077 allowed = (compareSignatures( 9078 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9079 == PackageManager.SIGNATURE_MATCH) 9080 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9081 == PackageManager.SIGNATURE_MATCH); 9082 if (!allowed && (bp.protectionLevel 9083 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9084 if (isSystemApp(pkg)) { 9085 // For updated system applications, a system permission 9086 // is granted only if it had been defined by the original application. 9087 if (pkg.isUpdatedSystemApp()) { 9088 final PackageSetting sysPs = mSettings 9089 .getDisabledSystemPkgLPr(pkg.packageName); 9090 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 9091 // If the original was granted this permission, we take 9092 // that grant decision as read and propagate it to the 9093 // update. 9094 if (sysPs.isPrivileged()) { 9095 allowed = true; 9096 } 9097 } else { 9098 // The system apk may have been updated with an older 9099 // version of the one on the data partition, but which 9100 // granted a new system permission that it didn't have 9101 // before. In this case we do want to allow the app to 9102 // now get the new permission if the ancestral apk is 9103 // privileged to get it. 9104 if (sysPs.pkg != null && sysPs.isPrivileged()) { 9105 for (int j=0; 9106 j<sysPs.pkg.requestedPermissions.size(); j++) { 9107 if (perm.equals( 9108 sysPs.pkg.requestedPermissions.get(j))) { 9109 allowed = true; 9110 break; 9111 } 9112 } 9113 } 9114 } 9115 } else { 9116 allowed = isPrivilegedApp(pkg); 9117 } 9118 } 9119 } 9120 if (!allowed) { 9121 if (!allowed && (bp.protectionLevel 9122 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9123 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9124 // If this was a previously normal/dangerous permission that got moved 9125 // to a system permission as part of the runtime permission redesign, then 9126 // we still want to blindly grant it to old apps. 9127 allowed = true; 9128 } 9129 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9130 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9131 // If this permission is to be granted to the system installer and 9132 // this app is an installer, then it gets the permission. 9133 allowed = true; 9134 } 9135 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9136 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9137 // If this permission is to be granted to the system verifier and 9138 // this app is a verifier, then it gets the permission. 9139 allowed = true; 9140 } 9141 if (!allowed && (bp.protectionLevel 9142 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9143 && isSystemApp(pkg)) { 9144 // Any pre-installed system app is allowed to get this permission. 9145 allowed = true; 9146 } 9147 if (!allowed && (bp.protectionLevel 9148 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9149 // For development permissions, a development permission 9150 // is granted only if it was already granted. 9151 allowed = origPermissions.hasInstallPermission(perm); 9152 } 9153 } 9154 return allowed; 9155 } 9156 9157 final class ActivityIntentResolver 9158 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9159 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9160 boolean defaultOnly, int userId) { 9161 if (!sUserManager.exists(userId)) return null; 9162 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9163 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9164 } 9165 9166 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9167 int userId) { 9168 if (!sUserManager.exists(userId)) return null; 9169 mFlags = flags; 9170 return super.queryIntent(intent, resolvedType, 9171 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9172 } 9173 9174 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9175 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9176 if (!sUserManager.exists(userId)) return null; 9177 if (packageActivities == null) { 9178 return null; 9179 } 9180 mFlags = flags; 9181 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9182 final int N = packageActivities.size(); 9183 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9184 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9185 9186 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9187 for (int i = 0; i < N; ++i) { 9188 intentFilters = packageActivities.get(i).intents; 9189 if (intentFilters != null && intentFilters.size() > 0) { 9190 PackageParser.ActivityIntentInfo[] array = 9191 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9192 intentFilters.toArray(array); 9193 listCut.add(array); 9194 } 9195 } 9196 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9197 } 9198 9199 public final void addActivity(PackageParser.Activity a, String type) { 9200 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9201 mActivities.put(a.getComponentName(), a); 9202 if (DEBUG_SHOW_INFO) 9203 Log.v( 9204 TAG, " " + type + " " + 9205 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9206 if (DEBUG_SHOW_INFO) 9207 Log.v(TAG, " Class=" + a.info.name); 9208 final int NI = a.intents.size(); 9209 for (int j=0; j<NI; j++) { 9210 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9211 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9212 intent.setPriority(0); 9213 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9214 + a.className + " with priority > 0, forcing to 0"); 9215 } 9216 if (DEBUG_SHOW_INFO) { 9217 Log.v(TAG, " IntentFilter:"); 9218 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9219 } 9220 if (!intent.debugCheck()) { 9221 Log.w(TAG, "==> For Activity " + a.info.name); 9222 } 9223 addFilter(intent); 9224 } 9225 } 9226 9227 public final void removeActivity(PackageParser.Activity a, String type) { 9228 mActivities.remove(a.getComponentName()); 9229 if (DEBUG_SHOW_INFO) { 9230 Log.v(TAG, " " + type + " " 9231 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9232 : a.info.name) + ":"); 9233 Log.v(TAG, " Class=" + a.info.name); 9234 } 9235 final int NI = a.intents.size(); 9236 for (int j=0; j<NI; j++) { 9237 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9238 if (DEBUG_SHOW_INFO) { 9239 Log.v(TAG, " IntentFilter:"); 9240 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9241 } 9242 removeFilter(intent); 9243 } 9244 } 9245 9246 @Override 9247 protected boolean allowFilterResult( 9248 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9249 ActivityInfo filterAi = filter.activity.info; 9250 for (int i=dest.size()-1; i>=0; i--) { 9251 ActivityInfo destAi = dest.get(i).activityInfo; 9252 if (destAi.name == filterAi.name 9253 && destAi.packageName == filterAi.packageName) { 9254 return false; 9255 } 9256 } 9257 return true; 9258 } 9259 9260 @Override 9261 protected ActivityIntentInfo[] newArray(int size) { 9262 return new ActivityIntentInfo[size]; 9263 } 9264 9265 @Override 9266 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9267 if (!sUserManager.exists(userId)) return true; 9268 PackageParser.Package p = filter.activity.owner; 9269 if (p != null) { 9270 PackageSetting ps = (PackageSetting)p.mExtras; 9271 if (ps != null) { 9272 // System apps are never considered stopped for purposes of 9273 // filtering, because there may be no way for the user to 9274 // actually re-launch them. 9275 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9276 && ps.getStopped(userId); 9277 } 9278 } 9279 return false; 9280 } 9281 9282 @Override 9283 protected boolean isPackageForFilter(String packageName, 9284 PackageParser.ActivityIntentInfo info) { 9285 return packageName.equals(info.activity.owner.packageName); 9286 } 9287 9288 @Override 9289 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9290 int match, int userId) { 9291 if (!sUserManager.exists(userId)) return null; 9292 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9293 return null; 9294 } 9295 final PackageParser.Activity activity = info.activity; 9296 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9297 if (ps == null) { 9298 return null; 9299 } 9300 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9301 ps.readUserState(userId), userId); 9302 if (ai == null) { 9303 return null; 9304 } 9305 final ResolveInfo res = new ResolveInfo(); 9306 res.activityInfo = ai; 9307 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9308 res.filter = info; 9309 } 9310 if (info != null) { 9311 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9312 } 9313 res.priority = info.getPriority(); 9314 res.preferredOrder = activity.owner.mPreferredOrder; 9315 //System.out.println("Result: " + res.activityInfo.className + 9316 // " = " + res.priority); 9317 res.match = match; 9318 res.isDefault = info.hasDefault; 9319 res.labelRes = info.labelRes; 9320 res.nonLocalizedLabel = info.nonLocalizedLabel; 9321 if (userNeedsBadging(userId)) { 9322 res.noResourceId = true; 9323 } else { 9324 res.icon = info.icon; 9325 } 9326 res.iconResourceId = info.icon; 9327 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9328 return res; 9329 } 9330 9331 @Override 9332 protected void sortResults(List<ResolveInfo> results) { 9333 Collections.sort(results, mResolvePrioritySorter); 9334 } 9335 9336 @Override 9337 protected void dumpFilter(PrintWriter out, String prefix, 9338 PackageParser.ActivityIntentInfo filter) { 9339 out.print(prefix); out.print( 9340 Integer.toHexString(System.identityHashCode(filter.activity))); 9341 out.print(' '); 9342 filter.activity.printComponentShortName(out); 9343 out.print(" filter "); 9344 out.println(Integer.toHexString(System.identityHashCode(filter))); 9345 } 9346 9347 @Override 9348 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9349 return filter.activity; 9350 } 9351 9352 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9353 PackageParser.Activity activity = (PackageParser.Activity)label; 9354 out.print(prefix); out.print( 9355 Integer.toHexString(System.identityHashCode(activity))); 9356 out.print(' '); 9357 activity.printComponentShortName(out); 9358 if (count > 1) { 9359 out.print(" ("); out.print(count); out.print(" filters)"); 9360 } 9361 out.println(); 9362 } 9363 9364// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9365// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9366// final List<ResolveInfo> retList = Lists.newArrayList(); 9367// while (i.hasNext()) { 9368// final ResolveInfo resolveInfo = i.next(); 9369// if (isEnabledLP(resolveInfo.activityInfo)) { 9370// retList.add(resolveInfo); 9371// } 9372// } 9373// return retList; 9374// } 9375 9376 // Keys are String (activity class name), values are Activity. 9377 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9378 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9379 private int mFlags; 9380 } 9381 9382 private final class ServiceIntentResolver 9383 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9384 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9385 boolean defaultOnly, int userId) { 9386 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9387 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9388 } 9389 9390 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9391 int userId) { 9392 if (!sUserManager.exists(userId)) return null; 9393 mFlags = flags; 9394 return super.queryIntent(intent, resolvedType, 9395 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9396 } 9397 9398 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9399 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9400 if (!sUserManager.exists(userId)) return null; 9401 if (packageServices == null) { 9402 return null; 9403 } 9404 mFlags = flags; 9405 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9406 final int N = packageServices.size(); 9407 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9408 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9409 9410 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9411 for (int i = 0; i < N; ++i) { 9412 intentFilters = packageServices.get(i).intents; 9413 if (intentFilters != null && intentFilters.size() > 0) { 9414 PackageParser.ServiceIntentInfo[] array = 9415 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9416 intentFilters.toArray(array); 9417 listCut.add(array); 9418 } 9419 } 9420 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9421 } 9422 9423 public final void addService(PackageParser.Service s) { 9424 mServices.put(s.getComponentName(), s); 9425 if (DEBUG_SHOW_INFO) { 9426 Log.v(TAG, " " 9427 + (s.info.nonLocalizedLabel != null 9428 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9429 Log.v(TAG, " Class=" + s.info.name); 9430 } 9431 final int NI = s.intents.size(); 9432 int j; 9433 for (j=0; j<NI; j++) { 9434 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9435 if (DEBUG_SHOW_INFO) { 9436 Log.v(TAG, " IntentFilter:"); 9437 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9438 } 9439 if (!intent.debugCheck()) { 9440 Log.w(TAG, "==> For Service " + s.info.name); 9441 } 9442 addFilter(intent); 9443 } 9444 } 9445 9446 public final void removeService(PackageParser.Service s) { 9447 mServices.remove(s.getComponentName()); 9448 if (DEBUG_SHOW_INFO) { 9449 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9450 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9451 Log.v(TAG, " Class=" + s.info.name); 9452 } 9453 final int NI = s.intents.size(); 9454 int j; 9455 for (j=0; j<NI; j++) { 9456 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9457 if (DEBUG_SHOW_INFO) { 9458 Log.v(TAG, " IntentFilter:"); 9459 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9460 } 9461 removeFilter(intent); 9462 } 9463 } 9464 9465 @Override 9466 protected boolean allowFilterResult( 9467 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9468 ServiceInfo filterSi = filter.service.info; 9469 for (int i=dest.size()-1; i>=0; i--) { 9470 ServiceInfo destAi = dest.get(i).serviceInfo; 9471 if (destAi.name == filterSi.name 9472 && destAi.packageName == filterSi.packageName) { 9473 return false; 9474 } 9475 } 9476 return true; 9477 } 9478 9479 @Override 9480 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9481 return new PackageParser.ServiceIntentInfo[size]; 9482 } 9483 9484 @Override 9485 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9486 if (!sUserManager.exists(userId)) return true; 9487 PackageParser.Package p = filter.service.owner; 9488 if (p != null) { 9489 PackageSetting ps = (PackageSetting)p.mExtras; 9490 if (ps != null) { 9491 // System apps are never considered stopped for purposes of 9492 // filtering, because there may be no way for the user to 9493 // actually re-launch them. 9494 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9495 && ps.getStopped(userId); 9496 } 9497 } 9498 return false; 9499 } 9500 9501 @Override 9502 protected boolean isPackageForFilter(String packageName, 9503 PackageParser.ServiceIntentInfo info) { 9504 return packageName.equals(info.service.owner.packageName); 9505 } 9506 9507 @Override 9508 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9509 int match, int userId) { 9510 if (!sUserManager.exists(userId)) return null; 9511 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9512 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 9513 return null; 9514 } 9515 final PackageParser.Service service = info.service; 9516 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9517 if (ps == null) { 9518 return null; 9519 } 9520 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9521 ps.readUserState(userId), userId); 9522 if (si == null) { 9523 return null; 9524 } 9525 final ResolveInfo res = new ResolveInfo(); 9526 res.serviceInfo = si; 9527 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9528 res.filter = filter; 9529 } 9530 res.priority = info.getPriority(); 9531 res.preferredOrder = service.owner.mPreferredOrder; 9532 res.match = match; 9533 res.isDefault = info.hasDefault; 9534 res.labelRes = info.labelRes; 9535 res.nonLocalizedLabel = info.nonLocalizedLabel; 9536 res.icon = info.icon; 9537 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9538 return res; 9539 } 9540 9541 @Override 9542 protected void sortResults(List<ResolveInfo> results) { 9543 Collections.sort(results, mResolvePrioritySorter); 9544 } 9545 9546 @Override 9547 protected void dumpFilter(PrintWriter out, String prefix, 9548 PackageParser.ServiceIntentInfo filter) { 9549 out.print(prefix); out.print( 9550 Integer.toHexString(System.identityHashCode(filter.service))); 9551 out.print(' '); 9552 filter.service.printComponentShortName(out); 9553 out.print(" filter "); 9554 out.println(Integer.toHexString(System.identityHashCode(filter))); 9555 } 9556 9557 @Override 9558 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9559 return filter.service; 9560 } 9561 9562 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9563 PackageParser.Service service = (PackageParser.Service)label; 9564 out.print(prefix); out.print( 9565 Integer.toHexString(System.identityHashCode(service))); 9566 out.print(' '); 9567 service.printComponentShortName(out); 9568 if (count > 1) { 9569 out.print(" ("); out.print(count); out.print(" filters)"); 9570 } 9571 out.println(); 9572 } 9573 9574// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9575// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9576// final List<ResolveInfo> retList = Lists.newArrayList(); 9577// while (i.hasNext()) { 9578// final ResolveInfo resolveInfo = (ResolveInfo) i; 9579// if (isEnabledLP(resolveInfo.serviceInfo)) { 9580// retList.add(resolveInfo); 9581// } 9582// } 9583// return retList; 9584// } 9585 9586 // Keys are String (activity class name), values are Activity. 9587 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9588 = new ArrayMap<ComponentName, PackageParser.Service>(); 9589 private int mFlags; 9590 }; 9591 9592 private final class ProviderIntentResolver 9593 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9594 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9595 boolean defaultOnly, int userId) { 9596 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9597 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9598 } 9599 9600 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9601 int userId) { 9602 if (!sUserManager.exists(userId)) 9603 return null; 9604 mFlags = flags; 9605 return super.queryIntent(intent, resolvedType, 9606 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9607 } 9608 9609 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9610 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9611 if (!sUserManager.exists(userId)) 9612 return null; 9613 if (packageProviders == null) { 9614 return null; 9615 } 9616 mFlags = flags; 9617 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9618 final int N = packageProviders.size(); 9619 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9620 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9621 9622 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9623 for (int i = 0; i < N; ++i) { 9624 intentFilters = packageProviders.get(i).intents; 9625 if (intentFilters != null && intentFilters.size() > 0) { 9626 PackageParser.ProviderIntentInfo[] array = 9627 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9628 intentFilters.toArray(array); 9629 listCut.add(array); 9630 } 9631 } 9632 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9633 } 9634 9635 public final void addProvider(PackageParser.Provider p) { 9636 if (mProviders.containsKey(p.getComponentName())) { 9637 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9638 return; 9639 } 9640 9641 mProviders.put(p.getComponentName(), p); 9642 if (DEBUG_SHOW_INFO) { 9643 Log.v(TAG, " " 9644 + (p.info.nonLocalizedLabel != null 9645 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9646 Log.v(TAG, " Class=" + p.info.name); 9647 } 9648 final int NI = p.intents.size(); 9649 int j; 9650 for (j = 0; j < NI; j++) { 9651 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9652 if (DEBUG_SHOW_INFO) { 9653 Log.v(TAG, " IntentFilter:"); 9654 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9655 } 9656 if (!intent.debugCheck()) { 9657 Log.w(TAG, "==> For Provider " + p.info.name); 9658 } 9659 addFilter(intent); 9660 } 9661 } 9662 9663 public final void removeProvider(PackageParser.Provider p) { 9664 mProviders.remove(p.getComponentName()); 9665 if (DEBUG_SHOW_INFO) { 9666 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9667 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9668 Log.v(TAG, " Class=" + p.info.name); 9669 } 9670 final int NI = p.intents.size(); 9671 int j; 9672 for (j = 0; j < NI; j++) { 9673 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9674 if (DEBUG_SHOW_INFO) { 9675 Log.v(TAG, " IntentFilter:"); 9676 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9677 } 9678 removeFilter(intent); 9679 } 9680 } 9681 9682 @Override 9683 protected boolean allowFilterResult( 9684 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9685 ProviderInfo filterPi = filter.provider.info; 9686 for (int i = dest.size() - 1; i >= 0; i--) { 9687 ProviderInfo destPi = dest.get(i).providerInfo; 9688 if (destPi.name == filterPi.name 9689 && destPi.packageName == filterPi.packageName) { 9690 return false; 9691 } 9692 } 9693 return true; 9694 } 9695 9696 @Override 9697 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9698 return new PackageParser.ProviderIntentInfo[size]; 9699 } 9700 9701 @Override 9702 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9703 if (!sUserManager.exists(userId)) 9704 return true; 9705 PackageParser.Package p = filter.provider.owner; 9706 if (p != null) { 9707 PackageSetting ps = (PackageSetting) p.mExtras; 9708 if (ps != null) { 9709 // System apps are never considered stopped for purposes of 9710 // filtering, because there may be no way for the user to 9711 // actually re-launch them. 9712 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9713 && ps.getStopped(userId); 9714 } 9715 } 9716 return false; 9717 } 9718 9719 @Override 9720 protected boolean isPackageForFilter(String packageName, 9721 PackageParser.ProviderIntentInfo info) { 9722 return packageName.equals(info.provider.owner.packageName); 9723 } 9724 9725 @Override 9726 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9727 int match, int userId) { 9728 if (!sUserManager.exists(userId)) 9729 return null; 9730 final PackageParser.ProviderIntentInfo info = filter; 9731 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 9732 return null; 9733 } 9734 final PackageParser.Provider provider = info.provider; 9735 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9736 if (ps == null) { 9737 return null; 9738 } 9739 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9740 ps.readUserState(userId), userId); 9741 if (pi == null) { 9742 return null; 9743 } 9744 final ResolveInfo res = new ResolveInfo(); 9745 res.providerInfo = pi; 9746 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9747 res.filter = filter; 9748 } 9749 res.priority = info.getPriority(); 9750 res.preferredOrder = provider.owner.mPreferredOrder; 9751 res.match = match; 9752 res.isDefault = info.hasDefault; 9753 res.labelRes = info.labelRes; 9754 res.nonLocalizedLabel = info.nonLocalizedLabel; 9755 res.icon = info.icon; 9756 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9757 return res; 9758 } 9759 9760 @Override 9761 protected void sortResults(List<ResolveInfo> results) { 9762 Collections.sort(results, mResolvePrioritySorter); 9763 } 9764 9765 @Override 9766 protected void dumpFilter(PrintWriter out, String prefix, 9767 PackageParser.ProviderIntentInfo filter) { 9768 out.print(prefix); 9769 out.print( 9770 Integer.toHexString(System.identityHashCode(filter.provider))); 9771 out.print(' '); 9772 filter.provider.printComponentShortName(out); 9773 out.print(" filter "); 9774 out.println(Integer.toHexString(System.identityHashCode(filter))); 9775 } 9776 9777 @Override 9778 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9779 return filter.provider; 9780 } 9781 9782 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9783 PackageParser.Provider provider = (PackageParser.Provider)label; 9784 out.print(prefix); out.print( 9785 Integer.toHexString(System.identityHashCode(provider))); 9786 out.print(' '); 9787 provider.printComponentShortName(out); 9788 if (count > 1) { 9789 out.print(" ("); out.print(count); out.print(" filters)"); 9790 } 9791 out.println(); 9792 } 9793 9794 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9795 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9796 private int mFlags; 9797 } 9798 9799 private static final class EphemeralIntentResolver 9800 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 9801 @Override 9802 protected EphemeralResolveIntentInfo[] newArray(int size) { 9803 return new EphemeralResolveIntentInfo[size]; 9804 } 9805 9806 @Override 9807 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 9808 return true; 9809 } 9810 9811 @Override 9812 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 9813 int userId) { 9814 if (!sUserManager.exists(userId)) { 9815 return null; 9816 } 9817 return info.getEphemeralResolveInfo(); 9818 } 9819 } 9820 9821 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9822 new Comparator<ResolveInfo>() { 9823 public int compare(ResolveInfo r1, ResolveInfo r2) { 9824 int v1 = r1.priority; 9825 int v2 = r2.priority; 9826 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9827 if (v1 != v2) { 9828 return (v1 > v2) ? -1 : 1; 9829 } 9830 v1 = r1.preferredOrder; 9831 v2 = r2.preferredOrder; 9832 if (v1 != v2) { 9833 return (v1 > v2) ? -1 : 1; 9834 } 9835 if (r1.isDefault != r2.isDefault) { 9836 return r1.isDefault ? -1 : 1; 9837 } 9838 v1 = r1.match; 9839 v2 = r2.match; 9840 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9841 if (v1 != v2) { 9842 return (v1 > v2) ? -1 : 1; 9843 } 9844 if (r1.system != r2.system) { 9845 return r1.system ? -1 : 1; 9846 } 9847 if (r1.activityInfo != null) { 9848 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 9849 } 9850 if (r1.serviceInfo != null) { 9851 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 9852 } 9853 if (r1.providerInfo != null) { 9854 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 9855 } 9856 return 0; 9857 } 9858 }; 9859 9860 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9861 new Comparator<ProviderInfo>() { 9862 public int compare(ProviderInfo p1, ProviderInfo p2) { 9863 final int v1 = p1.initOrder; 9864 final int v2 = p2.initOrder; 9865 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9866 } 9867 }; 9868 9869 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 9870 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 9871 final int[] userIds) { 9872 mHandler.post(new Runnable() { 9873 @Override 9874 public void run() { 9875 try { 9876 final IActivityManager am = ActivityManagerNative.getDefault(); 9877 if (am == null) return; 9878 final int[] resolvedUserIds; 9879 if (userIds == null) { 9880 resolvedUserIds = am.getRunningUserIds(); 9881 } else { 9882 resolvedUserIds = userIds; 9883 } 9884 for (int id : resolvedUserIds) { 9885 final Intent intent = new Intent(action, 9886 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9887 if (extras != null) { 9888 intent.putExtras(extras); 9889 } 9890 if (targetPkg != null) { 9891 intent.setPackage(targetPkg); 9892 } 9893 // Modify the UID when posting to other users 9894 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9895 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9896 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9897 intent.putExtra(Intent.EXTRA_UID, uid); 9898 } 9899 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9900 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 9901 if (DEBUG_BROADCASTS) { 9902 RuntimeException here = new RuntimeException("here"); 9903 here.fillInStackTrace(); 9904 Slog.d(TAG, "Sending to user " + id + ": " 9905 + intent.toShortString(false, true, false, false) 9906 + " " + intent.getExtras(), here); 9907 } 9908 am.broadcastIntent(null, intent, null, finishedReceiver, 9909 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9910 null, finishedReceiver != null, false, id); 9911 } 9912 } catch (RemoteException ex) { 9913 } 9914 } 9915 }); 9916 } 9917 9918 /** 9919 * Check if the external storage media is available. This is true if there 9920 * is a mounted external storage medium or if the external storage is 9921 * emulated. 9922 */ 9923 private boolean isExternalMediaAvailable() { 9924 return mMediaMounted || Environment.isExternalStorageEmulated(); 9925 } 9926 9927 @Override 9928 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9929 // writer 9930 synchronized (mPackages) { 9931 if (!isExternalMediaAvailable()) { 9932 // If the external storage is no longer mounted at this point, 9933 // the caller may not have been able to delete all of this 9934 // packages files and can not delete any more. Bail. 9935 return null; 9936 } 9937 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9938 if (lastPackage != null) { 9939 pkgs.remove(lastPackage); 9940 } 9941 if (pkgs.size() > 0) { 9942 return pkgs.get(0); 9943 } 9944 } 9945 return null; 9946 } 9947 9948 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9949 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9950 userId, andCode ? 1 : 0, packageName); 9951 if (mSystemReady) { 9952 msg.sendToTarget(); 9953 } else { 9954 if (mPostSystemReadyMessages == null) { 9955 mPostSystemReadyMessages = new ArrayList<>(); 9956 } 9957 mPostSystemReadyMessages.add(msg); 9958 } 9959 } 9960 9961 void startCleaningPackages() { 9962 // reader 9963 synchronized (mPackages) { 9964 if (!isExternalMediaAvailable()) { 9965 return; 9966 } 9967 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9968 return; 9969 } 9970 } 9971 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9972 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9973 IActivityManager am = ActivityManagerNative.getDefault(); 9974 if (am != null) { 9975 try { 9976 am.startService(null, intent, null, mContext.getOpPackageName(), 9977 UserHandle.USER_SYSTEM); 9978 } catch (RemoteException e) { 9979 } 9980 } 9981 } 9982 9983 @Override 9984 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9985 int installFlags, String installerPackageName, VerificationParams verificationParams, 9986 String packageAbiOverride) { 9987 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9988 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9989 } 9990 9991 @Override 9992 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9993 int installFlags, String installerPackageName, VerificationParams verificationParams, 9994 String packageAbiOverride, int userId) { 9995 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9996 9997 final int callingUid = Binder.getCallingUid(); 9998 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9999 10000 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10001 try { 10002 if (observer != null) { 10003 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10004 } 10005 } catch (RemoteException re) { 10006 } 10007 return; 10008 } 10009 10010 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10011 installFlags |= PackageManager.INSTALL_FROM_ADB; 10012 10013 } else { 10014 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10015 // about installerPackageName. 10016 10017 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10018 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10019 } 10020 10021 UserHandle user; 10022 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10023 user = UserHandle.ALL; 10024 } else { 10025 user = new UserHandle(userId); 10026 } 10027 10028 // Only system components can circumvent runtime permissions when installing. 10029 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10030 && mContext.checkCallingOrSelfPermission(Manifest.permission 10031 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10032 throw new SecurityException("You need the " 10033 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10034 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10035 } 10036 10037 verificationParams.setInstallerUid(callingUid); 10038 10039 final File originFile = new File(originPath); 10040 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10041 10042 final Message msg = mHandler.obtainMessage(INIT_COPY); 10043 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 10044 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 10045 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10046 msg.obj = params; 10047 10048 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10049 System.identityHashCode(msg.obj)); 10050 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10051 System.identityHashCode(msg.obj)); 10052 10053 mHandler.sendMessage(msg); 10054 } 10055 10056 void installStage(String packageName, File stagedDir, String stagedCid, 10057 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10058 String installerPackageName, int installerUid, UserHandle user) { 10059 if (DEBUG_EPHEMERAL) { 10060 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10061 Slog.d(TAG, "Ephemeral install of " + packageName); 10062 } 10063 } 10064 final VerificationParams verifParams = new VerificationParams( 10065 null, sessionParams.originatingUri, sessionParams.referrerUri, 10066 sessionParams.originatingUid); 10067 verifParams.setInstallerUid(installerUid); 10068 10069 final OriginInfo origin; 10070 if (stagedDir != null) { 10071 origin = OriginInfo.fromStagedFile(stagedDir); 10072 } else { 10073 origin = OriginInfo.fromStagedContainer(stagedCid); 10074 } 10075 10076 final Message msg = mHandler.obtainMessage(INIT_COPY); 10077 final InstallParams params = new InstallParams(origin, null, observer, 10078 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10079 verifParams, user, sessionParams.abiOverride, 10080 sessionParams.grantedRuntimePermissions); 10081 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10082 msg.obj = params; 10083 10084 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10085 System.identityHashCode(msg.obj)); 10086 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10087 System.identityHashCode(msg.obj)); 10088 10089 mHandler.sendMessage(msg); 10090 } 10091 10092 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 10093 Bundle extras = new Bundle(1); 10094 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 10095 10096 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10097 packageName, extras, 0, null, null, new int[] {userId}); 10098 try { 10099 IActivityManager am = ActivityManagerNative.getDefault(); 10100 final boolean isSystem = 10101 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10102 if (isSystem && am.isUserRunning(userId, 0)) { 10103 // The just-installed/enabled app is bundled on the system, so presumed 10104 // to be able to run automatically without needing an explicit launch. 10105 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10106 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10107 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10108 .setPackage(packageName); 10109 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10110 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10111 } 10112 } catch (RemoteException e) { 10113 // shouldn't happen 10114 Slog.w(TAG, "Unable to bootstrap installed package", e); 10115 } 10116 } 10117 10118 @Override 10119 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10120 int userId) { 10121 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10122 PackageSetting pkgSetting; 10123 final int uid = Binder.getCallingUid(); 10124 enforceCrossUserPermission(uid, userId, true, true, 10125 "setApplicationHiddenSetting for user " + userId); 10126 10127 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10128 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10129 return false; 10130 } 10131 10132 long callingId = Binder.clearCallingIdentity(); 10133 try { 10134 boolean sendAdded = false; 10135 boolean sendRemoved = false; 10136 // writer 10137 synchronized (mPackages) { 10138 pkgSetting = mSettings.mPackages.get(packageName); 10139 if (pkgSetting == null) { 10140 return false; 10141 } 10142 if (pkgSetting.getHidden(userId) != hidden) { 10143 pkgSetting.setHidden(hidden, userId); 10144 mSettings.writePackageRestrictionsLPr(userId); 10145 if (hidden) { 10146 sendRemoved = true; 10147 } else { 10148 sendAdded = true; 10149 } 10150 } 10151 } 10152 if (sendAdded) { 10153 sendPackageAddedForUser(packageName, pkgSetting, userId); 10154 return true; 10155 } 10156 if (sendRemoved) { 10157 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10158 "hiding pkg"); 10159 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10160 return true; 10161 } 10162 } finally { 10163 Binder.restoreCallingIdentity(callingId); 10164 } 10165 return false; 10166 } 10167 10168 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10169 int userId) { 10170 final PackageRemovedInfo info = new PackageRemovedInfo(); 10171 info.removedPackage = packageName; 10172 info.removedUsers = new int[] {userId}; 10173 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10174 info.sendBroadcast(false, false, false); 10175 } 10176 10177 /** 10178 * Returns true if application is not found or there was an error. Otherwise it returns 10179 * the hidden state of the package for the given user. 10180 */ 10181 @Override 10182 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10183 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10184 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 10185 false, "getApplicationHidden for user " + userId); 10186 PackageSetting pkgSetting; 10187 long callingId = Binder.clearCallingIdentity(); 10188 try { 10189 // writer 10190 synchronized (mPackages) { 10191 pkgSetting = mSettings.mPackages.get(packageName); 10192 if (pkgSetting == null) { 10193 return true; 10194 } 10195 return pkgSetting.getHidden(userId); 10196 } 10197 } finally { 10198 Binder.restoreCallingIdentity(callingId); 10199 } 10200 } 10201 10202 /** 10203 * @hide 10204 */ 10205 @Override 10206 public int installExistingPackageAsUser(String packageName, int userId) { 10207 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10208 null); 10209 PackageSetting pkgSetting; 10210 final int uid = Binder.getCallingUid(); 10211 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 10212 + userId); 10213 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10214 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10215 } 10216 10217 long callingId = Binder.clearCallingIdentity(); 10218 try { 10219 boolean installed = false; 10220 10221 // writer 10222 synchronized (mPackages) { 10223 pkgSetting = mSettings.mPackages.get(packageName); 10224 if (pkgSetting == null) { 10225 return PackageManager.INSTALL_FAILED_INVALID_URI; 10226 } 10227 if (!pkgSetting.getInstalled(userId)) { 10228 pkgSetting.setInstalled(true, userId); 10229 pkgSetting.setHidden(false, userId); 10230 mSettings.writePackageRestrictionsLPr(userId); 10231 installed = true; 10232 } 10233 } 10234 10235 if (installed) { 10236 synchronized (mInstallLock) { 10237 final int flags = Installer.FLAG_DE_STORAGE | Installer.FLAG_CE_STORAGE; 10238 try { 10239 mInstaller.createAppData(pkgSetting.volumeUuid, packageName, userId, flags, 10240 pkgSetting.appId, pkgSetting.pkg.applicationInfo.seinfo); 10241 } catch (InstallerException e) { 10242 throw new IllegalStateException(e); 10243 } 10244 } 10245 10246 sendPackageAddedForUser(packageName, pkgSetting, userId); 10247 } 10248 } finally { 10249 Binder.restoreCallingIdentity(callingId); 10250 } 10251 10252 return PackageManager.INSTALL_SUCCEEDED; 10253 } 10254 10255 boolean isUserRestricted(int userId, String restrictionKey) { 10256 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10257 if (restrictions.getBoolean(restrictionKey, false)) { 10258 Log.w(TAG, "User is restricted: " + restrictionKey); 10259 return true; 10260 } 10261 return false; 10262 } 10263 10264 @Override 10265 public boolean setPackageSuspendedAsUser(String packageName, boolean suspended, int userId) { 10266 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10267 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, true, 10268 "setPackageSuspended for user " + userId); 10269 10270 long callingId = Binder.clearCallingIdentity(); 10271 try { 10272 synchronized (mPackages) { 10273 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10274 if (pkgSetting != null) { 10275 if (pkgSetting.getSuspended(userId) != suspended) { 10276 pkgSetting.setSuspended(suspended, userId); 10277 mSettings.writePackageRestrictionsLPr(userId); 10278 } 10279 10280 // TODO: 10281 // * broadcast a PACKAGE_(UN)SUSPENDED intent for launchers to pick up 10282 // * remove app from recents (kill app it if it is running) 10283 // * erase existing notifications for this app 10284 return true; 10285 } 10286 10287 return false; 10288 } 10289 } finally { 10290 Binder.restoreCallingIdentity(callingId); 10291 } 10292 } 10293 10294 @Override 10295 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10296 mContext.enforceCallingOrSelfPermission( 10297 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10298 "Only package verification agents can verify applications"); 10299 10300 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10301 final PackageVerificationResponse response = new PackageVerificationResponse( 10302 verificationCode, Binder.getCallingUid()); 10303 msg.arg1 = id; 10304 msg.obj = response; 10305 mHandler.sendMessage(msg); 10306 } 10307 10308 @Override 10309 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10310 long millisecondsToDelay) { 10311 mContext.enforceCallingOrSelfPermission( 10312 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10313 "Only package verification agents can extend verification timeouts"); 10314 10315 final PackageVerificationState state = mPendingVerification.get(id); 10316 final PackageVerificationResponse response = new PackageVerificationResponse( 10317 verificationCodeAtTimeout, Binder.getCallingUid()); 10318 10319 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10320 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10321 } 10322 if (millisecondsToDelay < 0) { 10323 millisecondsToDelay = 0; 10324 } 10325 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10326 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10327 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10328 } 10329 10330 if ((state != null) && !state.timeoutExtended()) { 10331 state.extendTimeout(); 10332 10333 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10334 msg.arg1 = id; 10335 msg.obj = response; 10336 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10337 } 10338 } 10339 10340 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10341 int verificationCode, UserHandle user) { 10342 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10343 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10344 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10345 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10346 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10347 10348 mContext.sendBroadcastAsUser(intent, user, 10349 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10350 } 10351 10352 private ComponentName matchComponentForVerifier(String packageName, 10353 List<ResolveInfo> receivers) { 10354 ActivityInfo targetReceiver = null; 10355 10356 final int NR = receivers.size(); 10357 for (int i = 0; i < NR; i++) { 10358 final ResolveInfo info = receivers.get(i); 10359 if (info.activityInfo == null) { 10360 continue; 10361 } 10362 10363 if (packageName.equals(info.activityInfo.packageName)) { 10364 targetReceiver = info.activityInfo; 10365 break; 10366 } 10367 } 10368 10369 if (targetReceiver == null) { 10370 return null; 10371 } 10372 10373 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10374 } 10375 10376 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10377 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10378 if (pkgInfo.verifiers.length == 0) { 10379 return null; 10380 } 10381 10382 final int N = pkgInfo.verifiers.length; 10383 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10384 for (int i = 0; i < N; i++) { 10385 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10386 10387 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10388 receivers); 10389 if (comp == null) { 10390 continue; 10391 } 10392 10393 final int verifierUid = getUidForVerifier(verifierInfo); 10394 if (verifierUid == -1) { 10395 continue; 10396 } 10397 10398 if (DEBUG_VERIFY) { 10399 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10400 + " with the correct signature"); 10401 } 10402 sufficientVerifiers.add(comp); 10403 verificationState.addSufficientVerifier(verifierUid); 10404 } 10405 10406 return sufficientVerifiers; 10407 } 10408 10409 private int getUidForVerifier(VerifierInfo verifierInfo) { 10410 synchronized (mPackages) { 10411 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10412 if (pkg == null) { 10413 return -1; 10414 } else if (pkg.mSignatures.length != 1) { 10415 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10416 + " has more than one signature; ignoring"); 10417 return -1; 10418 } 10419 10420 /* 10421 * If the public key of the package's signature does not match 10422 * our expected public key, then this is a different package and 10423 * we should skip. 10424 */ 10425 10426 final byte[] expectedPublicKey; 10427 try { 10428 final Signature verifierSig = pkg.mSignatures[0]; 10429 final PublicKey publicKey = verifierSig.getPublicKey(); 10430 expectedPublicKey = publicKey.getEncoded(); 10431 } catch (CertificateException e) { 10432 return -1; 10433 } 10434 10435 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10436 10437 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10438 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10439 + " does not have the expected public key; ignoring"); 10440 return -1; 10441 } 10442 10443 return pkg.applicationInfo.uid; 10444 } 10445 } 10446 10447 @Override 10448 public void finishPackageInstall(int token) { 10449 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10450 10451 if (DEBUG_INSTALL) { 10452 Slog.v(TAG, "BM finishing package install for " + token); 10453 } 10454 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10455 10456 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10457 mHandler.sendMessage(msg); 10458 } 10459 10460 /** 10461 * Get the verification agent timeout. 10462 * 10463 * @return verification timeout in milliseconds 10464 */ 10465 private long getVerificationTimeout() { 10466 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10467 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10468 DEFAULT_VERIFICATION_TIMEOUT); 10469 } 10470 10471 /** 10472 * Get the default verification agent response code. 10473 * 10474 * @return default verification response code 10475 */ 10476 private int getDefaultVerificationResponse() { 10477 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10478 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10479 DEFAULT_VERIFICATION_RESPONSE); 10480 } 10481 10482 /** 10483 * Check whether or not package verification has been enabled. 10484 * 10485 * @return true if verification should be performed 10486 */ 10487 private boolean isVerificationEnabled(int userId, int installFlags) { 10488 if (!DEFAULT_VERIFY_ENABLE) { 10489 return false; 10490 } 10491 // Ephemeral apps don't get the full verification treatment 10492 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10493 if (DEBUG_EPHEMERAL) { 10494 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 10495 } 10496 return false; 10497 } 10498 10499 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 10500 10501 // Check if installing from ADB 10502 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 10503 // Do not run verification in a test harness environment 10504 if (ActivityManager.isRunningInTestHarness()) { 10505 return false; 10506 } 10507 if (ensureVerifyAppsEnabled) { 10508 return true; 10509 } 10510 // Check if the developer does not want package verification for ADB installs 10511 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10512 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 10513 return false; 10514 } 10515 } 10516 10517 if (ensureVerifyAppsEnabled) { 10518 return true; 10519 } 10520 10521 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10522 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 10523 } 10524 10525 @Override 10526 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 10527 throws RemoteException { 10528 mContext.enforceCallingOrSelfPermission( 10529 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 10530 "Only intentfilter verification agents can verify applications"); 10531 10532 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 10533 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 10534 Binder.getCallingUid(), verificationCode, failedDomains); 10535 msg.arg1 = id; 10536 msg.obj = response; 10537 mHandler.sendMessage(msg); 10538 } 10539 10540 @Override 10541 public int getIntentVerificationStatus(String packageName, int userId) { 10542 synchronized (mPackages) { 10543 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 10544 } 10545 } 10546 10547 @Override 10548 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10549 mContext.enforceCallingOrSelfPermission( 10550 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10551 10552 boolean result = false; 10553 synchronized (mPackages) { 10554 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10555 } 10556 if (result) { 10557 scheduleWritePackageRestrictionsLocked(userId); 10558 } 10559 return result; 10560 } 10561 10562 @Override 10563 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10564 synchronized (mPackages) { 10565 return mSettings.getIntentFilterVerificationsLPr(packageName); 10566 } 10567 } 10568 10569 @Override 10570 public List<IntentFilter> getAllIntentFilters(String packageName) { 10571 if (TextUtils.isEmpty(packageName)) { 10572 return Collections.<IntentFilter>emptyList(); 10573 } 10574 synchronized (mPackages) { 10575 PackageParser.Package pkg = mPackages.get(packageName); 10576 if (pkg == null || pkg.activities == null) { 10577 return Collections.<IntentFilter>emptyList(); 10578 } 10579 final int count = pkg.activities.size(); 10580 ArrayList<IntentFilter> result = new ArrayList<>(); 10581 for (int n=0; n<count; n++) { 10582 PackageParser.Activity activity = pkg.activities.get(n); 10583 if (activity.intents != null && activity.intents.size() > 0) { 10584 result.addAll(activity.intents); 10585 } 10586 } 10587 return result; 10588 } 10589 } 10590 10591 @Override 10592 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10593 mContext.enforceCallingOrSelfPermission( 10594 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10595 10596 synchronized (mPackages) { 10597 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10598 if (packageName != null) { 10599 result |= updateIntentVerificationStatus(packageName, 10600 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10601 userId); 10602 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10603 packageName, userId); 10604 } 10605 return result; 10606 } 10607 } 10608 10609 @Override 10610 public String getDefaultBrowserPackageName(int userId) { 10611 synchronized (mPackages) { 10612 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10613 } 10614 } 10615 10616 /** 10617 * Get the "allow unknown sources" setting. 10618 * 10619 * @return the current "allow unknown sources" setting 10620 */ 10621 private int getUnknownSourcesSettings() { 10622 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10623 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10624 -1); 10625 } 10626 10627 @Override 10628 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10629 final int uid = Binder.getCallingUid(); 10630 // writer 10631 synchronized (mPackages) { 10632 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10633 if (targetPackageSetting == null) { 10634 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10635 } 10636 10637 PackageSetting installerPackageSetting; 10638 if (installerPackageName != null) { 10639 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10640 if (installerPackageSetting == null) { 10641 throw new IllegalArgumentException("Unknown installer package: " 10642 + installerPackageName); 10643 } 10644 } else { 10645 installerPackageSetting = null; 10646 } 10647 10648 Signature[] callerSignature; 10649 Object obj = mSettings.getUserIdLPr(uid); 10650 if (obj != null) { 10651 if (obj instanceof SharedUserSetting) { 10652 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10653 } else if (obj instanceof PackageSetting) { 10654 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10655 } else { 10656 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10657 } 10658 } else { 10659 throw new SecurityException("Unknown calling UID: " + uid); 10660 } 10661 10662 // Verify: can't set installerPackageName to a package that is 10663 // not signed with the same cert as the caller. 10664 if (installerPackageSetting != null) { 10665 if (compareSignatures(callerSignature, 10666 installerPackageSetting.signatures.mSignatures) 10667 != PackageManager.SIGNATURE_MATCH) { 10668 throw new SecurityException( 10669 "Caller does not have same cert as new installer package " 10670 + installerPackageName); 10671 } 10672 } 10673 10674 // Verify: if target already has an installer package, it must 10675 // be signed with the same cert as the caller. 10676 if (targetPackageSetting.installerPackageName != null) { 10677 PackageSetting setting = mSettings.mPackages.get( 10678 targetPackageSetting.installerPackageName); 10679 // If the currently set package isn't valid, then it's always 10680 // okay to change it. 10681 if (setting != null) { 10682 if (compareSignatures(callerSignature, 10683 setting.signatures.mSignatures) 10684 != PackageManager.SIGNATURE_MATCH) { 10685 throw new SecurityException( 10686 "Caller does not have same cert as old installer package " 10687 + targetPackageSetting.installerPackageName); 10688 } 10689 } 10690 } 10691 10692 // Okay! 10693 targetPackageSetting.installerPackageName = installerPackageName; 10694 scheduleWriteSettingsLocked(); 10695 } 10696 } 10697 10698 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10699 // Queue up an async operation since the package installation may take a little while. 10700 mHandler.post(new Runnable() { 10701 public void run() { 10702 mHandler.removeCallbacks(this); 10703 // Result object to be returned 10704 PackageInstalledInfo res = new PackageInstalledInfo(); 10705 res.returnCode = currentStatus; 10706 res.uid = -1; 10707 res.pkg = null; 10708 res.removedInfo = new PackageRemovedInfo(); 10709 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10710 args.doPreInstall(res.returnCode); 10711 synchronized (mInstallLock) { 10712 installPackageTracedLI(args, res); 10713 } 10714 args.doPostInstall(res.returnCode, res.uid); 10715 } 10716 10717 // A restore should be performed at this point if (a) the install 10718 // succeeded, (b) the operation is not an update, and (c) the new 10719 // package has not opted out of backup participation. 10720 final boolean update = res.removedInfo.removedPackage != null; 10721 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10722 boolean doRestore = !update 10723 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10724 10725 // Set up the post-install work request bookkeeping. This will be used 10726 // and cleaned up by the post-install event handling regardless of whether 10727 // there's a restore pass performed. Token values are >= 1. 10728 int token; 10729 if (mNextInstallToken < 0) mNextInstallToken = 1; 10730 token = mNextInstallToken++; 10731 10732 PostInstallData data = new PostInstallData(args, res); 10733 mRunningInstalls.put(token, data); 10734 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10735 10736 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10737 // Pass responsibility to the Backup Manager. It will perform a 10738 // restore if appropriate, then pass responsibility back to the 10739 // Package Manager to run the post-install observer callbacks 10740 // and broadcasts. 10741 IBackupManager bm = IBackupManager.Stub.asInterface( 10742 ServiceManager.getService(Context.BACKUP_SERVICE)); 10743 if (bm != null) { 10744 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10745 + " to BM for possible restore"); 10746 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10747 try { 10748 // TODO: http://b/22388012 10749 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 10750 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10751 } else { 10752 doRestore = false; 10753 } 10754 } catch (RemoteException e) { 10755 // can't happen; the backup manager is local 10756 } catch (Exception e) { 10757 Slog.e(TAG, "Exception trying to enqueue restore", e); 10758 doRestore = false; 10759 } 10760 } else { 10761 Slog.e(TAG, "Backup Manager not found!"); 10762 doRestore = false; 10763 } 10764 } 10765 10766 if (!doRestore) { 10767 // No restore possible, or the Backup Manager was mysteriously not 10768 // available -- just fire the post-install work request directly. 10769 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10770 10771 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 10772 10773 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10774 mHandler.sendMessage(msg); 10775 } 10776 } 10777 }); 10778 } 10779 10780 private abstract class HandlerParams { 10781 private static final int MAX_RETRIES = 4; 10782 10783 /** 10784 * Number of times startCopy() has been attempted and had a non-fatal 10785 * error. 10786 */ 10787 private int mRetries = 0; 10788 10789 /** User handle for the user requesting the information or installation. */ 10790 private final UserHandle mUser; 10791 String traceMethod; 10792 int traceCookie; 10793 10794 HandlerParams(UserHandle user) { 10795 mUser = user; 10796 } 10797 10798 UserHandle getUser() { 10799 return mUser; 10800 } 10801 10802 HandlerParams setTraceMethod(String traceMethod) { 10803 this.traceMethod = traceMethod; 10804 return this; 10805 } 10806 10807 HandlerParams setTraceCookie(int traceCookie) { 10808 this.traceCookie = traceCookie; 10809 return this; 10810 } 10811 10812 final boolean startCopy() { 10813 boolean res; 10814 try { 10815 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10816 10817 if (++mRetries > MAX_RETRIES) { 10818 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10819 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10820 handleServiceError(); 10821 return false; 10822 } else { 10823 handleStartCopy(); 10824 res = true; 10825 } 10826 } catch (RemoteException e) { 10827 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10828 mHandler.sendEmptyMessage(MCS_RECONNECT); 10829 res = false; 10830 } 10831 handleReturnCode(); 10832 return res; 10833 } 10834 10835 final void serviceError() { 10836 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10837 handleServiceError(); 10838 handleReturnCode(); 10839 } 10840 10841 abstract void handleStartCopy() throws RemoteException; 10842 abstract void handleServiceError(); 10843 abstract void handleReturnCode(); 10844 } 10845 10846 class MeasureParams extends HandlerParams { 10847 private final PackageStats mStats; 10848 private boolean mSuccess; 10849 10850 private final IPackageStatsObserver mObserver; 10851 10852 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10853 super(new UserHandle(stats.userHandle)); 10854 mObserver = observer; 10855 mStats = stats; 10856 } 10857 10858 @Override 10859 public String toString() { 10860 return "MeasureParams{" 10861 + Integer.toHexString(System.identityHashCode(this)) 10862 + " " + mStats.packageName + "}"; 10863 } 10864 10865 @Override 10866 void handleStartCopy() throws RemoteException { 10867 synchronized (mInstallLock) { 10868 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10869 } 10870 10871 if (mSuccess) { 10872 final boolean mounted; 10873 if (Environment.isExternalStorageEmulated()) { 10874 mounted = true; 10875 } else { 10876 final String status = Environment.getExternalStorageState(); 10877 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10878 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10879 } 10880 10881 if (mounted) { 10882 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10883 10884 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10885 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10886 10887 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10888 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10889 10890 // Always subtract cache size, since it's a subdirectory 10891 mStats.externalDataSize -= mStats.externalCacheSize; 10892 10893 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10894 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10895 10896 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10897 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10898 } 10899 } 10900 } 10901 10902 @Override 10903 void handleReturnCode() { 10904 if (mObserver != null) { 10905 try { 10906 mObserver.onGetStatsCompleted(mStats, mSuccess); 10907 } catch (RemoteException e) { 10908 Slog.i(TAG, "Observer no longer exists."); 10909 } 10910 } 10911 } 10912 10913 @Override 10914 void handleServiceError() { 10915 Slog.e(TAG, "Could not measure application " + mStats.packageName 10916 + " external storage"); 10917 } 10918 } 10919 10920 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10921 throws RemoteException { 10922 long result = 0; 10923 for (File path : paths) { 10924 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10925 } 10926 return result; 10927 } 10928 10929 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10930 for (File path : paths) { 10931 try { 10932 mcs.clearDirectory(path.getAbsolutePath()); 10933 } catch (RemoteException e) { 10934 } 10935 } 10936 } 10937 10938 static class OriginInfo { 10939 /** 10940 * Location where install is coming from, before it has been 10941 * copied/renamed into place. This could be a single monolithic APK 10942 * file, or a cluster directory. This location may be untrusted. 10943 */ 10944 final File file; 10945 final String cid; 10946 10947 /** 10948 * Flag indicating that {@link #file} or {@link #cid} has already been 10949 * staged, meaning downstream users don't need to defensively copy the 10950 * contents. 10951 */ 10952 final boolean staged; 10953 10954 /** 10955 * Flag indicating that {@link #file} or {@link #cid} is an already 10956 * installed app that is being moved. 10957 */ 10958 final boolean existing; 10959 10960 final String resolvedPath; 10961 final File resolvedFile; 10962 10963 static OriginInfo fromNothing() { 10964 return new OriginInfo(null, null, false, false); 10965 } 10966 10967 static OriginInfo fromUntrustedFile(File file) { 10968 return new OriginInfo(file, null, false, false); 10969 } 10970 10971 static OriginInfo fromExistingFile(File file) { 10972 return new OriginInfo(file, null, false, true); 10973 } 10974 10975 static OriginInfo fromStagedFile(File file) { 10976 return new OriginInfo(file, null, true, false); 10977 } 10978 10979 static OriginInfo fromStagedContainer(String cid) { 10980 return new OriginInfo(null, cid, true, false); 10981 } 10982 10983 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10984 this.file = file; 10985 this.cid = cid; 10986 this.staged = staged; 10987 this.existing = existing; 10988 10989 if (cid != null) { 10990 resolvedPath = PackageHelper.getSdDir(cid); 10991 resolvedFile = new File(resolvedPath); 10992 } else if (file != null) { 10993 resolvedPath = file.getAbsolutePath(); 10994 resolvedFile = file; 10995 } else { 10996 resolvedPath = null; 10997 resolvedFile = null; 10998 } 10999 } 11000 } 11001 11002 static class MoveInfo { 11003 final int moveId; 11004 final String fromUuid; 11005 final String toUuid; 11006 final String packageName; 11007 final String dataAppName; 11008 final int appId; 11009 final String seinfo; 11010 11011 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11012 String dataAppName, int appId, String seinfo) { 11013 this.moveId = moveId; 11014 this.fromUuid = fromUuid; 11015 this.toUuid = toUuid; 11016 this.packageName = packageName; 11017 this.dataAppName = dataAppName; 11018 this.appId = appId; 11019 this.seinfo = seinfo; 11020 } 11021 } 11022 11023 class InstallParams extends HandlerParams { 11024 final OriginInfo origin; 11025 final MoveInfo move; 11026 final IPackageInstallObserver2 observer; 11027 int installFlags; 11028 final String installerPackageName; 11029 final String volumeUuid; 11030 final VerificationParams verificationParams; 11031 private InstallArgs mArgs; 11032 private int mRet; 11033 final String packageAbiOverride; 11034 final String[] grantedRuntimePermissions; 11035 11036 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11037 int installFlags, String installerPackageName, String volumeUuid, 11038 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 11039 String[] grantedPermissions) { 11040 super(user); 11041 this.origin = origin; 11042 this.move = move; 11043 this.observer = observer; 11044 this.installFlags = installFlags; 11045 this.installerPackageName = installerPackageName; 11046 this.volumeUuid = volumeUuid; 11047 this.verificationParams = verificationParams; 11048 this.packageAbiOverride = packageAbiOverride; 11049 this.grantedRuntimePermissions = grantedPermissions; 11050 } 11051 11052 @Override 11053 public String toString() { 11054 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11055 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11056 } 11057 11058 private int installLocationPolicy(PackageInfoLite pkgLite) { 11059 String packageName = pkgLite.packageName; 11060 int installLocation = pkgLite.installLocation; 11061 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11062 // reader 11063 synchronized (mPackages) { 11064 PackageParser.Package pkg = mPackages.get(packageName); 11065 if (pkg != null) { 11066 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11067 // Check for downgrading. 11068 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 11069 try { 11070 checkDowngrade(pkg, pkgLite); 11071 } catch (PackageManagerException e) { 11072 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11073 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11074 } 11075 } 11076 // Check for updated system application. 11077 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11078 if (onSd) { 11079 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11080 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11081 } 11082 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11083 } else { 11084 if (onSd) { 11085 // Install flag overrides everything. 11086 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11087 } 11088 // If current upgrade specifies particular preference 11089 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11090 // Application explicitly specified internal. 11091 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11092 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11093 // App explictly prefers external. Let policy decide 11094 } else { 11095 // Prefer previous location 11096 if (isExternal(pkg)) { 11097 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11098 } 11099 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11100 } 11101 } 11102 } else { 11103 // Invalid install. Return error code 11104 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11105 } 11106 } 11107 } 11108 // All the special cases have been taken care of. 11109 // Return result based on recommended install location. 11110 if (onSd) { 11111 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11112 } 11113 return pkgLite.recommendedInstallLocation; 11114 } 11115 11116 /* 11117 * Invoke remote method to get package information and install 11118 * location values. Override install location based on default 11119 * policy if needed and then create install arguments based 11120 * on the install location. 11121 */ 11122 public void handleStartCopy() throws RemoteException { 11123 int ret = PackageManager.INSTALL_SUCCEEDED; 11124 11125 // If we're already staged, we've firmly committed to an install location 11126 if (origin.staged) { 11127 if (origin.file != null) { 11128 installFlags |= PackageManager.INSTALL_INTERNAL; 11129 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11130 } else if (origin.cid != null) { 11131 installFlags |= PackageManager.INSTALL_EXTERNAL; 11132 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11133 } else { 11134 throw new IllegalStateException("Invalid stage location"); 11135 } 11136 } 11137 11138 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11139 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11140 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11141 PackageInfoLite pkgLite = null; 11142 11143 if (onInt && onSd) { 11144 // Check if both bits are set. 11145 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11146 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11147 } else if (onSd && ephemeral) { 11148 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11149 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11150 } else { 11151 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11152 packageAbiOverride); 11153 11154 if (DEBUG_EPHEMERAL && ephemeral) { 11155 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11156 } 11157 11158 /* 11159 * If we have too little free space, try to free cache 11160 * before giving up. 11161 */ 11162 if (!origin.staged && pkgLite.recommendedInstallLocation 11163 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11164 // TODO: focus freeing disk space on the target device 11165 final StorageManager storage = StorageManager.from(mContext); 11166 final long lowThreshold = storage.getStorageLowBytes( 11167 Environment.getDataDirectory()); 11168 11169 final long sizeBytes = mContainerService.calculateInstalledSize( 11170 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11171 11172 try { 11173 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11174 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11175 installFlags, packageAbiOverride); 11176 } catch (InstallerException e) { 11177 Slog.w(TAG, "Failed to free cache", e); 11178 } 11179 11180 /* 11181 * The cache free must have deleted the file we 11182 * downloaded to install. 11183 * 11184 * TODO: fix the "freeCache" call to not delete 11185 * the file we care about. 11186 */ 11187 if (pkgLite.recommendedInstallLocation 11188 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11189 pkgLite.recommendedInstallLocation 11190 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11191 } 11192 } 11193 } 11194 11195 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11196 int loc = pkgLite.recommendedInstallLocation; 11197 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11198 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11199 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11200 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11201 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11202 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11203 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11204 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11205 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11206 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11207 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11208 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11209 } else { 11210 // Override with defaults if needed. 11211 loc = installLocationPolicy(pkgLite); 11212 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11213 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11214 } else if (!onSd && !onInt) { 11215 // Override install location with flags 11216 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11217 // Set the flag to install on external media. 11218 installFlags |= PackageManager.INSTALL_EXTERNAL; 11219 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11220 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11221 if (DEBUG_EPHEMERAL) { 11222 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11223 } 11224 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11225 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11226 |PackageManager.INSTALL_INTERNAL); 11227 } else { 11228 // Make sure the flag for installing on external 11229 // media is unset 11230 installFlags |= PackageManager.INSTALL_INTERNAL; 11231 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11232 } 11233 } 11234 } 11235 } 11236 11237 final InstallArgs args = createInstallArgs(this); 11238 mArgs = args; 11239 11240 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11241 // TODO: http://b/22976637 11242 // Apps installed for "all" users use the device owner to verify the app 11243 UserHandle verifierUser = getUser(); 11244 if (verifierUser == UserHandle.ALL) { 11245 verifierUser = UserHandle.SYSTEM; 11246 } 11247 11248 /* 11249 * Determine if we have any installed package verifiers. If we 11250 * do, then we'll defer to them to verify the packages. 11251 */ 11252 final int requiredUid = mRequiredVerifierPackage == null ? -1 11253 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11254 verifierUser.getIdentifier()); 11255 if (!origin.existing && requiredUid != -1 11256 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11257 final Intent verification = new Intent( 11258 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11259 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11260 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11261 PACKAGE_MIME_TYPE); 11262 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11263 11264 // Query all live verifiers based on current user state 11265 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 11266 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11267 11268 if (DEBUG_VERIFY) { 11269 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11270 + verification.toString() + " with " + pkgLite.verifiers.length 11271 + " optional verifiers"); 11272 } 11273 11274 final int verificationId = mPendingVerificationToken++; 11275 11276 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11277 11278 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11279 installerPackageName); 11280 11281 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11282 installFlags); 11283 11284 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11285 pkgLite.packageName); 11286 11287 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11288 pkgLite.versionCode); 11289 11290 if (verificationParams != null) { 11291 if (verificationParams.getVerificationURI() != null) { 11292 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 11293 verificationParams.getVerificationURI()); 11294 } 11295 if (verificationParams.getOriginatingURI() != null) { 11296 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11297 verificationParams.getOriginatingURI()); 11298 } 11299 if (verificationParams.getReferrer() != null) { 11300 verification.putExtra(Intent.EXTRA_REFERRER, 11301 verificationParams.getReferrer()); 11302 } 11303 if (verificationParams.getOriginatingUid() >= 0) { 11304 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11305 verificationParams.getOriginatingUid()); 11306 } 11307 if (verificationParams.getInstallerUid() >= 0) { 11308 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11309 verificationParams.getInstallerUid()); 11310 } 11311 } 11312 11313 final PackageVerificationState verificationState = new PackageVerificationState( 11314 requiredUid, args); 11315 11316 mPendingVerification.append(verificationId, verificationState); 11317 11318 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11319 receivers, verificationState); 11320 11321 /* 11322 * If any sufficient verifiers were listed in the package 11323 * manifest, attempt to ask them. 11324 */ 11325 if (sufficientVerifiers != null) { 11326 final int N = sufficientVerifiers.size(); 11327 if (N == 0) { 11328 Slog.i(TAG, "Additional verifiers required, but none installed."); 11329 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11330 } else { 11331 for (int i = 0; i < N; i++) { 11332 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11333 11334 final Intent sufficientIntent = new Intent(verification); 11335 sufficientIntent.setComponent(verifierComponent); 11336 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11337 } 11338 } 11339 } 11340 11341 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11342 mRequiredVerifierPackage, receivers); 11343 if (ret == PackageManager.INSTALL_SUCCEEDED 11344 && mRequiredVerifierPackage != null) { 11345 Trace.asyncTraceBegin( 11346 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11347 /* 11348 * Send the intent to the required verification agent, 11349 * but only start the verification timeout after the 11350 * target BroadcastReceivers have run. 11351 */ 11352 verification.setComponent(requiredVerifierComponent); 11353 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11354 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11355 new BroadcastReceiver() { 11356 @Override 11357 public void onReceive(Context context, Intent intent) { 11358 final Message msg = mHandler 11359 .obtainMessage(CHECK_PENDING_VERIFICATION); 11360 msg.arg1 = verificationId; 11361 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11362 } 11363 }, null, 0, null, null); 11364 11365 /* 11366 * We don't want the copy to proceed until verification 11367 * succeeds, so null out this field. 11368 */ 11369 mArgs = null; 11370 } 11371 } else { 11372 /* 11373 * No package verification is enabled, so immediately start 11374 * the remote call to initiate copy using temporary file. 11375 */ 11376 ret = args.copyApk(mContainerService, true); 11377 } 11378 } 11379 11380 mRet = ret; 11381 } 11382 11383 @Override 11384 void handleReturnCode() { 11385 // If mArgs is null, then MCS couldn't be reached. When it 11386 // reconnects, it will try again to install. At that point, this 11387 // will succeed. 11388 if (mArgs != null) { 11389 processPendingInstall(mArgs, mRet); 11390 } 11391 } 11392 11393 @Override 11394 void handleServiceError() { 11395 mArgs = createInstallArgs(this); 11396 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11397 } 11398 11399 public boolean isForwardLocked() { 11400 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11401 } 11402 } 11403 11404 /** 11405 * Used during creation of InstallArgs 11406 * 11407 * @param installFlags package installation flags 11408 * @return true if should be installed on external storage 11409 */ 11410 private static boolean installOnExternalAsec(int installFlags) { 11411 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11412 return false; 11413 } 11414 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11415 return true; 11416 } 11417 return false; 11418 } 11419 11420 /** 11421 * Used during creation of InstallArgs 11422 * 11423 * @param installFlags package installation flags 11424 * @return true if should be installed as forward locked 11425 */ 11426 private static boolean installForwardLocked(int installFlags) { 11427 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11428 } 11429 11430 private InstallArgs createInstallArgs(InstallParams params) { 11431 if (params.move != null) { 11432 return new MoveInstallArgs(params); 11433 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11434 return new AsecInstallArgs(params); 11435 } else { 11436 return new FileInstallArgs(params); 11437 } 11438 } 11439 11440 /** 11441 * Create args that describe an existing installed package. Typically used 11442 * when cleaning up old installs, or used as a move source. 11443 */ 11444 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11445 String resourcePath, String[] instructionSets) { 11446 final boolean isInAsec; 11447 if (installOnExternalAsec(installFlags)) { 11448 /* Apps on SD card are always in ASEC containers. */ 11449 isInAsec = true; 11450 } else if (installForwardLocked(installFlags) 11451 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11452 /* 11453 * Forward-locked apps are only in ASEC containers if they're the 11454 * new style 11455 */ 11456 isInAsec = true; 11457 } else { 11458 isInAsec = false; 11459 } 11460 11461 if (isInAsec) { 11462 return new AsecInstallArgs(codePath, instructionSets, 11463 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11464 } else { 11465 return new FileInstallArgs(codePath, resourcePath, instructionSets); 11466 } 11467 } 11468 11469 static abstract class InstallArgs { 11470 /** @see InstallParams#origin */ 11471 final OriginInfo origin; 11472 /** @see InstallParams#move */ 11473 final MoveInfo move; 11474 11475 final IPackageInstallObserver2 observer; 11476 // Always refers to PackageManager flags only 11477 final int installFlags; 11478 final String installerPackageName; 11479 final String volumeUuid; 11480 final UserHandle user; 11481 final String abiOverride; 11482 final String[] installGrantPermissions; 11483 /** If non-null, drop an async trace when the install completes */ 11484 final String traceMethod; 11485 final int traceCookie; 11486 11487 // The list of instruction sets supported by this app. This is currently 11488 // only used during the rmdex() phase to clean up resources. We can get rid of this 11489 // if we move dex files under the common app path. 11490 /* nullable */ String[] instructionSets; 11491 11492 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11493 int installFlags, String installerPackageName, String volumeUuid, 11494 UserHandle user, String[] instructionSets, 11495 String abiOverride, String[] installGrantPermissions, 11496 String traceMethod, int traceCookie) { 11497 this.origin = origin; 11498 this.move = move; 11499 this.installFlags = installFlags; 11500 this.observer = observer; 11501 this.installerPackageName = installerPackageName; 11502 this.volumeUuid = volumeUuid; 11503 this.user = user; 11504 this.instructionSets = instructionSets; 11505 this.abiOverride = abiOverride; 11506 this.installGrantPermissions = installGrantPermissions; 11507 this.traceMethod = traceMethod; 11508 this.traceCookie = traceCookie; 11509 } 11510 11511 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 11512 abstract int doPreInstall(int status); 11513 11514 /** 11515 * Rename package into final resting place. All paths on the given 11516 * scanned package should be updated to reflect the rename. 11517 */ 11518 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 11519 abstract int doPostInstall(int status, int uid); 11520 11521 /** @see PackageSettingBase#codePathString */ 11522 abstract String getCodePath(); 11523 /** @see PackageSettingBase#resourcePathString */ 11524 abstract String getResourcePath(); 11525 11526 // Need installer lock especially for dex file removal. 11527 abstract void cleanUpResourcesLI(); 11528 abstract boolean doPostDeleteLI(boolean delete); 11529 11530 /** 11531 * Called before the source arguments are copied. This is used mostly 11532 * for MoveParams when it needs to read the source file to put it in the 11533 * destination. 11534 */ 11535 int doPreCopy() { 11536 return PackageManager.INSTALL_SUCCEEDED; 11537 } 11538 11539 /** 11540 * Called after the source arguments are copied. This is used mostly for 11541 * MoveParams when it needs to read the source file to put it in the 11542 * destination. 11543 * 11544 * @return 11545 */ 11546 int doPostCopy(int uid) { 11547 return PackageManager.INSTALL_SUCCEEDED; 11548 } 11549 11550 protected boolean isFwdLocked() { 11551 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11552 } 11553 11554 protected boolean isExternalAsec() { 11555 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11556 } 11557 11558 protected boolean isEphemeral() { 11559 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11560 } 11561 11562 UserHandle getUser() { 11563 return user; 11564 } 11565 } 11566 11567 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 11568 if (!allCodePaths.isEmpty()) { 11569 if (instructionSets == null) { 11570 throw new IllegalStateException("instructionSet == null"); 11571 } 11572 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11573 for (String codePath : allCodePaths) { 11574 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11575 try { 11576 mInstaller.rmdex(codePath, dexCodeInstructionSet); 11577 } catch (InstallerException ignored) { 11578 } 11579 } 11580 } 11581 } 11582 } 11583 11584 /** 11585 * Logic to handle installation of non-ASEC applications, including copying 11586 * and renaming logic. 11587 */ 11588 class FileInstallArgs extends InstallArgs { 11589 private File codeFile; 11590 private File resourceFile; 11591 11592 // Example topology: 11593 // /data/app/com.example/base.apk 11594 // /data/app/com.example/split_foo.apk 11595 // /data/app/com.example/lib/arm/libfoo.so 11596 // /data/app/com.example/lib/arm64/libfoo.so 11597 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11598 11599 /** New install */ 11600 FileInstallArgs(InstallParams params) { 11601 super(params.origin, params.move, params.observer, params.installFlags, 11602 params.installerPackageName, params.volumeUuid, 11603 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11604 params.grantedRuntimePermissions, 11605 params.traceMethod, params.traceCookie); 11606 if (isFwdLocked()) { 11607 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11608 } 11609 } 11610 11611 /** Existing install */ 11612 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11613 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 11614 null, null, null, 0); 11615 this.codeFile = (codePath != null) ? new File(codePath) : null; 11616 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11617 } 11618 11619 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11620 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 11621 try { 11622 return doCopyApk(imcs, temp); 11623 } finally { 11624 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11625 } 11626 } 11627 11628 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11629 if (origin.staged) { 11630 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11631 codeFile = origin.file; 11632 resourceFile = origin.file; 11633 return PackageManager.INSTALL_SUCCEEDED; 11634 } 11635 11636 try { 11637 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11638 final File tempDir = 11639 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 11640 codeFile = tempDir; 11641 resourceFile = tempDir; 11642 } catch (IOException e) { 11643 Slog.w(TAG, "Failed to create copy file: " + e); 11644 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11645 } 11646 11647 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11648 @Override 11649 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11650 if (!FileUtils.isValidExtFilename(name)) { 11651 throw new IllegalArgumentException("Invalid filename: " + name); 11652 } 11653 try { 11654 final File file = new File(codeFile, name); 11655 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11656 O_RDWR | O_CREAT, 0644); 11657 Os.chmod(file.getAbsolutePath(), 0644); 11658 return new ParcelFileDescriptor(fd); 11659 } catch (ErrnoException e) { 11660 throw new RemoteException("Failed to open: " + e.getMessage()); 11661 } 11662 } 11663 }; 11664 11665 int ret = PackageManager.INSTALL_SUCCEEDED; 11666 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11667 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11668 Slog.e(TAG, "Failed to copy package"); 11669 return ret; 11670 } 11671 11672 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11673 NativeLibraryHelper.Handle handle = null; 11674 try { 11675 handle = NativeLibraryHelper.Handle.create(codeFile); 11676 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11677 abiOverride); 11678 } catch (IOException e) { 11679 Slog.e(TAG, "Copying native libraries failed", e); 11680 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11681 } finally { 11682 IoUtils.closeQuietly(handle); 11683 } 11684 11685 return ret; 11686 } 11687 11688 int doPreInstall(int status) { 11689 if (status != PackageManager.INSTALL_SUCCEEDED) { 11690 cleanUp(); 11691 } 11692 return status; 11693 } 11694 11695 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11696 if (status != PackageManager.INSTALL_SUCCEEDED) { 11697 cleanUp(); 11698 return false; 11699 } 11700 11701 final File targetDir = codeFile.getParentFile(); 11702 final File beforeCodeFile = codeFile; 11703 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11704 11705 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11706 try { 11707 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11708 } catch (ErrnoException e) { 11709 Slog.w(TAG, "Failed to rename", e); 11710 return false; 11711 } 11712 11713 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11714 Slog.w(TAG, "Failed to restorecon"); 11715 return false; 11716 } 11717 11718 // Reflect the rename internally 11719 codeFile = afterCodeFile; 11720 resourceFile = afterCodeFile; 11721 11722 // Reflect the rename in scanned details 11723 pkg.codePath = afterCodeFile.getAbsolutePath(); 11724 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11725 pkg.baseCodePath); 11726 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11727 pkg.splitCodePaths); 11728 11729 // Reflect the rename in app info 11730 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11731 pkg.applicationInfo.setCodePath(pkg.codePath); 11732 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11733 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11734 pkg.applicationInfo.setResourcePath(pkg.codePath); 11735 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11736 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11737 11738 return true; 11739 } 11740 11741 int doPostInstall(int status, int uid) { 11742 if (status != PackageManager.INSTALL_SUCCEEDED) { 11743 cleanUp(); 11744 } 11745 return status; 11746 } 11747 11748 @Override 11749 String getCodePath() { 11750 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11751 } 11752 11753 @Override 11754 String getResourcePath() { 11755 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11756 } 11757 11758 private boolean cleanUp() { 11759 if (codeFile == null || !codeFile.exists()) { 11760 return false; 11761 } 11762 11763 removeCodePathLI(codeFile); 11764 11765 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11766 resourceFile.delete(); 11767 } 11768 11769 return true; 11770 } 11771 11772 void cleanUpResourcesLI() { 11773 // Try enumerating all code paths before deleting 11774 List<String> allCodePaths = Collections.EMPTY_LIST; 11775 if (codeFile != null && codeFile.exists()) { 11776 try { 11777 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11778 allCodePaths = pkg.getAllCodePaths(); 11779 } catch (PackageParserException e) { 11780 // Ignored; we tried our best 11781 } 11782 } 11783 11784 cleanUp(); 11785 removeDexFiles(allCodePaths, instructionSets); 11786 } 11787 11788 boolean doPostDeleteLI(boolean delete) { 11789 // XXX err, shouldn't we respect the delete flag? 11790 cleanUpResourcesLI(); 11791 return true; 11792 } 11793 } 11794 11795 private boolean isAsecExternal(String cid) { 11796 final String asecPath = PackageHelper.getSdFilesystem(cid); 11797 return !asecPath.startsWith(mAsecInternalPath); 11798 } 11799 11800 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11801 PackageManagerException { 11802 if (copyRet < 0) { 11803 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11804 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11805 throw new PackageManagerException(copyRet, message); 11806 } 11807 } 11808 } 11809 11810 /** 11811 * Extract the MountService "container ID" from the full code path of an 11812 * .apk. 11813 */ 11814 static String cidFromCodePath(String fullCodePath) { 11815 int eidx = fullCodePath.lastIndexOf("/"); 11816 String subStr1 = fullCodePath.substring(0, eidx); 11817 int sidx = subStr1.lastIndexOf("/"); 11818 return subStr1.substring(sidx+1, eidx); 11819 } 11820 11821 /** 11822 * Logic to handle installation of ASEC applications, including copying and 11823 * renaming logic. 11824 */ 11825 class AsecInstallArgs extends InstallArgs { 11826 static final String RES_FILE_NAME = "pkg.apk"; 11827 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11828 11829 String cid; 11830 String packagePath; 11831 String resourcePath; 11832 11833 /** New install */ 11834 AsecInstallArgs(InstallParams params) { 11835 super(params.origin, params.move, params.observer, params.installFlags, 11836 params.installerPackageName, params.volumeUuid, 11837 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11838 params.grantedRuntimePermissions, 11839 params.traceMethod, params.traceCookie); 11840 } 11841 11842 /** Existing install */ 11843 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11844 boolean isExternal, boolean isForwardLocked) { 11845 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11846 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 11847 instructionSets, null, null, null, 0); 11848 // Hackily pretend we're still looking at a full code path 11849 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11850 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11851 } 11852 11853 // Extract cid from fullCodePath 11854 int eidx = fullCodePath.lastIndexOf("/"); 11855 String subStr1 = fullCodePath.substring(0, eidx); 11856 int sidx = subStr1.lastIndexOf("/"); 11857 cid = subStr1.substring(sidx+1, eidx); 11858 setMountPath(subStr1); 11859 } 11860 11861 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11862 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11863 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 11864 instructionSets, null, null, null, 0); 11865 this.cid = cid; 11866 setMountPath(PackageHelper.getSdDir(cid)); 11867 } 11868 11869 void createCopyFile() { 11870 cid = mInstallerService.allocateExternalStageCidLegacy(); 11871 } 11872 11873 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11874 if (origin.staged && origin.cid != null) { 11875 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11876 cid = origin.cid; 11877 setMountPath(PackageHelper.getSdDir(cid)); 11878 return PackageManager.INSTALL_SUCCEEDED; 11879 } 11880 11881 if (temp) { 11882 createCopyFile(); 11883 } else { 11884 /* 11885 * Pre-emptively destroy the container since it's destroyed if 11886 * copying fails due to it existing anyway. 11887 */ 11888 PackageHelper.destroySdDir(cid); 11889 } 11890 11891 final String newMountPath = imcs.copyPackageToContainer( 11892 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11893 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11894 11895 if (newMountPath != null) { 11896 setMountPath(newMountPath); 11897 return PackageManager.INSTALL_SUCCEEDED; 11898 } else { 11899 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11900 } 11901 } 11902 11903 @Override 11904 String getCodePath() { 11905 return packagePath; 11906 } 11907 11908 @Override 11909 String getResourcePath() { 11910 return resourcePath; 11911 } 11912 11913 int doPreInstall(int status) { 11914 if (status != PackageManager.INSTALL_SUCCEEDED) { 11915 // Destroy container 11916 PackageHelper.destroySdDir(cid); 11917 } else { 11918 boolean mounted = PackageHelper.isContainerMounted(cid); 11919 if (!mounted) { 11920 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11921 Process.SYSTEM_UID); 11922 if (newMountPath != null) { 11923 setMountPath(newMountPath); 11924 } else { 11925 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11926 } 11927 } 11928 } 11929 return status; 11930 } 11931 11932 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11933 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11934 String newMountPath = null; 11935 if (PackageHelper.isContainerMounted(cid)) { 11936 // Unmount the container 11937 if (!PackageHelper.unMountSdDir(cid)) { 11938 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11939 return false; 11940 } 11941 } 11942 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11943 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11944 " which might be stale. Will try to clean up."); 11945 // Clean up the stale container and proceed to recreate. 11946 if (!PackageHelper.destroySdDir(newCacheId)) { 11947 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11948 return false; 11949 } 11950 // Successfully cleaned up stale container. Try to rename again. 11951 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11952 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11953 + " inspite of cleaning it up."); 11954 return false; 11955 } 11956 } 11957 if (!PackageHelper.isContainerMounted(newCacheId)) { 11958 Slog.w(TAG, "Mounting container " + newCacheId); 11959 newMountPath = PackageHelper.mountSdDir(newCacheId, 11960 getEncryptKey(), Process.SYSTEM_UID); 11961 } else { 11962 newMountPath = PackageHelper.getSdDir(newCacheId); 11963 } 11964 if (newMountPath == null) { 11965 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11966 return false; 11967 } 11968 Log.i(TAG, "Succesfully renamed " + cid + 11969 " to " + newCacheId + 11970 " at new path: " + newMountPath); 11971 cid = newCacheId; 11972 11973 final File beforeCodeFile = new File(packagePath); 11974 setMountPath(newMountPath); 11975 final File afterCodeFile = new File(packagePath); 11976 11977 // Reflect the rename in scanned details 11978 pkg.codePath = afterCodeFile.getAbsolutePath(); 11979 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11980 pkg.baseCodePath); 11981 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11982 pkg.splitCodePaths); 11983 11984 // Reflect the rename in app info 11985 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11986 pkg.applicationInfo.setCodePath(pkg.codePath); 11987 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11988 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11989 pkg.applicationInfo.setResourcePath(pkg.codePath); 11990 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11991 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11992 11993 return true; 11994 } 11995 11996 private void setMountPath(String mountPath) { 11997 final File mountFile = new File(mountPath); 11998 11999 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12000 if (monolithicFile.exists()) { 12001 packagePath = monolithicFile.getAbsolutePath(); 12002 if (isFwdLocked()) { 12003 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12004 } else { 12005 resourcePath = packagePath; 12006 } 12007 } else { 12008 packagePath = mountFile.getAbsolutePath(); 12009 resourcePath = packagePath; 12010 } 12011 } 12012 12013 int doPostInstall(int status, int uid) { 12014 if (status != PackageManager.INSTALL_SUCCEEDED) { 12015 cleanUp(); 12016 } else { 12017 final int groupOwner; 12018 final String protectedFile; 12019 if (isFwdLocked()) { 12020 groupOwner = UserHandle.getSharedAppGid(uid); 12021 protectedFile = RES_FILE_NAME; 12022 } else { 12023 groupOwner = -1; 12024 protectedFile = null; 12025 } 12026 12027 if (uid < Process.FIRST_APPLICATION_UID 12028 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12029 Slog.e(TAG, "Failed to finalize " + cid); 12030 PackageHelper.destroySdDir(cid); 12031 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12032 } 12033 12034 boolean mounted = PackageHelper.isContainerMounted(cid); 12035 if (!mounted) { 12036 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12037 } 12038 } 12039 return status; 12040 } 12041 12042 private void cleanUp() { 12043 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12044 12045 // Destroy secure container 12046 PackageHelper.destroySdDir(cid); 12047 } 12048 12049 private List<String> getAllCodePaths() { 12050 final File codeFile = new File(getCodePath()); 12051 if (codeFile != null && codeFile.exists()) { 12052 try { 12053 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12054 return pkg.getAllCodePaths(); 12055 } catch (PackageParserException e) { 12056 // Ignored; we tried our best 12057 } 12058 } 12059 return Collections.EMPTY_LIST; 12060 } 12061 12062 void cleanUpResourcesLI() { 12063 // Enumerate all code paths before deleting 12064 cleanUpResourcesLI(getAllCodePaths()); 12065 } 12066 12067 private void cleanUpResourcesLI(List<String> allCodePaths) { 12068 cleanUp(); 12069 removeDexFiles(allCodePaths, instructionSets); 12070 } 12071 12072 String getPackageName() { 12073 return getAsecPackageName(cid); 12074 } 12075 12076 boolean doPostDeleteLI(boolean delete) { 12077 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12078 final List<String> allCodePaths = getAllCodePaths(); 12079 boolean mounted = PackageHelper.isContainerMounted(cid); 12080 if (mounted) { 12081 // Unmount first 12082 if (PackageHelper.unMountSdDir(cid)) { 12083 mounted = false; 12084 } 12085 } 12086 if (!mounted && delete) { 12087 cleanUpResourcesLI(allCodePaths); 12088 } 12089 return !mounted; 12090 } 12091 12092 @Override 12093 int doPreCopy() { 12094 if (isFwdLocked()) { 12095 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12096 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12097 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12098 } 12099 } 12100 12101 return PackageManager.INSTALL_SUCCEEDED; 12102 } 12103 12104 @Override 12105 int doPostCopy(int uid) { 12106 if (isFwdLocked()) { 12107 if (uid < Process.FIRST_APPLICATION_UID 12108 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12109 RES_FILE_NAME)) { 12110 Slog.e(TAG, "Failed to finalize " + cid); 12111 PackageHelper.destroySdDir(cid); 12112 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12113 } 12114 } 12115 12116 return PackageManager.INSTALL_SUCCEEDED; 12117 } 12118 } 12119 12120 /** 12121 * Logic to handle movement of existing installed applications. 12122 */ 12123 class MoveInstallArgs extends InstallArgs { 12124 private File codeFile; 12125 private File resourceFile; 12126 12127 /** New install */ 12128 MoveInstallArgs(InstallParams params) { 12129 super(params.origin, params.move, params.observer, params.installFlags, 12130 params.installerPackageName, params.volumeUuid, 12131 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12132 params.grantedRuntimePermissions, 12133 params.traceMethod, params.traceCookie); 12134 } 12135 12136 int copyApk(IMediaContainerService imcs, boolean temp) { 12137 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12138 + move.fromUuid + " to " + move.toUuid); 12139 synchronized (mInstaller) { 12140 try { 12141 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12142 move.dataAppName, move.appId, move.seinfo); 12143 } catch (InstallerException e) { 12144 Slog.w(TAG, "Failed to move app", e); 12145 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12146 } 12147 } 12148 12149 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12150 resourceFile = codeFile; 12151 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12152 12153 return PackageManager.INSTALL_SUCCEEDED; 12154 } 12155 12156 int doPreInstall(int status) { 12157 if (status != PackageManager.INSTALL_SUCCEEDED) { 12158 cleanUp(move.toUuid); 12159 } 12160 return status; 12161 } 12162 12163 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12164 if (status != PackageManager.INSTALL_SUCCEEDED) { 12165 cleanUp(move.toUuid); 12166 return false; 12167 } 12168 12169 // Reflect the move in app info 12170 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 12171 pkg.applicationInfo.setCodePath(pkg.codePath); 12172 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 12173 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 12174 pkg.applicationInfo.setResourcePath(pkg.codePath); 12175 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 12176 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 12177 12178 return true; 12179 } 12180 12181 int doPostInstall(int status, int uid) { 12182 if (status == PackageManager.INSTALL_SUCCEEDED) { 12183 cleanUp(move.fromUuid); 12184 } else { 12185 cleanUp(move.toUuid); 12186 } 12187 return status; 12188 } 12189 12190 @Override 12191 String getCodePath() { 12192 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12193 } 12194 12195 @Override 12196 String getResourcePath() { 12197 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12198 } 12199 12200 private boolean cleanUp(String volumeUuid) { 12201 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12202 move.dataAppName); 12203 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12204 synchronized (mInstallLock) { 12205 // Clean up both app data and code 12206 removeDataDirsLI(volumeUuid, move.packageName); 12207 removeCodePathLI(codeFile); 12208 } 12209 return true; 12210 } 12211 12212 void cleanUpResourcesLI() { 12213 throw new UnsupportedOperationException(); 12214 } 12215 12216 boolean doPostDeleteLI(boolean delete) { 12217 throw new UnsupportedOperationException(); 12218 } 12219 } 12220 12221 static String getAsecPackageName(String packageCid) { 12222 int idx = packageCid.lastIndexOf("-"); 12223 if (idx == -1) { 12224 return packageCid; 12225 } 12226 return packageCid.substring(0, idx); 12227 } 12228 12229 // Utility method used to create code paths based on package name and available index. 12230 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12231 String idxStr = ""; 12232 int idx = 1; 12233 // Fall back to default value of idx=1 if prefix is not 12234 // part of oldCodePath 12235 if (oldCodePath != null) { 12236 String subStr = oldCodePath; 12237 // Drop the suffix right away 12238 if (suffix != null && subStr.endsWith(suffix)) { 12239 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12240 } 12241 // If oldCodePath already contains prefix find out the 12242 // ending index to either increment or decrement. 12243 int sidx = subStr.lastIndexOf(prefix); 12244 if (sidx != -1) { 12245 subStr = subStr.substring(sidx + prefix.length()); 12246 if (subStr != null) { 12247 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12248 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12249 } 12250 try { 12251 idx = Integer.parseInt(subStr); 12252 if (idx <= 1) { 12253 idx++; 12254 } else { 12255 idx--; 12256 } 12257 } catch(NumberFormatException e) { 12258 } 12259 } 12260 } 12261 } 12262 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12263 return prefix + idxStr; 12264 } 12265 12266 private File getNextCodePath(File targetDir, String packageName) { 12267 int suffix = 1; 12268 File result; 12269 do { 12270 result = new File(targetDir, packageName + "-" + suffix); 12271 suffix++; 12272 } while (result.exists()); 12273 return result; 12274 } 12275 12276 // Utility method that returns the relative package path with respect 12277 // to the installation directory. Like say for /data/data/com.test-1.apk 12278 // string com.test-1 is returned. 12279 static String deriveCodePathName(String codePath) { 12280 if (codePath == null) { 12281 return null; 12282 } 12283 final File codeFile = new File(codePath); 12284 final String name = codeFile.getName(); 12285 if (codeFile.isDirectory()) { 12286 return name; 12287 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12288 final int lastDot = name.lastIndexOf('.'); 12289 return name.substring(0, lastDot); 12290 } else { 12291 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12292 return null; 12293 } 12294 } 12295 12296 static class PackageInstalledInfo { 12297 String name; 12298 int uid; 12299 // The set of users that originally had this package installed. 12300 int[] origUsers; 12301 // The set of users that now have this package installed. 12302 int[] newUsers; 12303 PackageParser.Package pkg; 12304 int returnCode; 12305 String returnMsg; 12306 PackageRemovedInfo removedInfo; 12307 12308 public void setError(int code, String msg) { 12309 returnCode = code; 12310 returnMsg = msg; 12311 Slog.w(TAG, msg); 12312 } 12313 12314 public void setError(String msg, PackageParserException e) { 12315 returnCode = e.error; 12316 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12317 Slog.w(TAG, msg, e); 12318 } 12319 12320 public void setError(String msg, PackageManagerException e) { 12321 returnCode = e.error; 12322 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12323 Slog.w(TAG, msg, e); 12324 } 12325 12326 // In some error cases we want to convey more info back to the observer 12327 String origPackage; 12328 String origPermission; 12329 } 12330 12331 /* 12332 * Install a non-existing package. 12333 */ 12334 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12335 UserHandle user, String installerPackageName, String volumeUuid, 12336 PackageInstalledInfo res) { 12337 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12338 12339 // Remember this for later, in case we need to rollback this install 12340 String pkgName = pkg.packageName; 12341 12342 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12343 // TODO: b/23350563 12344 final boolean dataDirExists = Environment 12345 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists(); 12346 12347 synchronized(mPackages) { 12348 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12349 // A package with the same name is already installed, though 12350 // it has been renamed to an older name. The package we 12351 // are trying to install should be installed as an update to 12352 // the existing one, but that has not been requested, so bail. 12353 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12354 + " without first uninstalling package running as " 12355 + mSettings.mRenamedPackages.get(pkgName)); 12356 return; 12357 } 12358 if (mPackages.containsKey(pkgName)) { 12359 // Don't allow installation over an existing package with the same name. 12360 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12361 + " without first uninstalling."); 12362 return; 12363 } 12364 } 12365 12366 try { 12367 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12368 System.currentTimeMillis(), user); 12369 12370 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 12371 // delete the partially installed application. the data directory will have to be 12372 // restored if it was already existing 12373 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12374 // remove package from internal structures. Note that we want deletePackageX to 12375 // delete the package data and cache directories that it created in 12376 // scanPackageLocked, unless those directories existed before we even tried to 12377 // install. 12378 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 12379 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 12380 res.removedInfo, true); 12381 } 12382 12383 } catch (PackageManagerException e) { 12384 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12385 } 12386 12387 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12388 } 12389 12390 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12391 // Can't rotate keys during boot or if sharedUser. 12392 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12393 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12394 return false; 12395 } 12396 // app is using upgradeKeySets; make sure all are valid 12397 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12398 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12399 for (int i = 0; i < upgradeKeySets.length; i++) { 12400 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12401 Slog.wtf(TAG, "Package " 12402 + (oldPs.name != null ? oldPs.name : "<null>") 12403 + " contains upgrade-key-set reference to unknown key-set: " 12404 + upgradeKeySets[i] 12405 + " reverting to signatures check."); 12406 return false; 12407 } 12408 } 12409 return true; 12410 } 12411 12412 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12413 // Upgrade keysets are being used. Determine if new package has a superset of the 12414 // required keys. 12415 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12416 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12417 for (int i = 0; i < upgradeKeySets.length; i++) { 12418 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12419 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12420 return true; 12421 } 12422 } 12423 return false; 12424 } 12425 12426 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12427 UserHandle user, String installerPackageName, String volumeUuid, 12428 PackageInstalledInfo res) { 12429 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 12430 12431 final PackageParser.Package oldPackage; 12432 final String pkgName = pkg.packageName; 12433 final int[] allUsers; 12434 final boolean[] perUserInstalled; 12435 12436 // First find the old package info and check signatures 12437 synchronized(mPackages) { 12438 oldPackage = mPackages.get(pkgName); 12439 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 12440 if (isEphemeral && !oldIsEphemeral) { 12441 // can't downgrade from full to ephemeral 12442 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 12443 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12444 return; 12445 } 12446 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12447 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12448 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12449 if(!checkUpgradeKeySetLP(ps, pkg)) { 12450 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12451 "New package not signed by keys specified by upgrade-keysets: " 12452 + pkgName); 12453 return; 12454 } 12455 } else { 12456 // default to original signature matching 12457 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 12458 != PackageManager.SIGNATURE_MATCH) { 12459 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12460 "New package has a different signature: " + pkgName); 12461 return; 12462 } 12463 } 12464 12465 // In case of rollback, remember per-user/profile install state 12466 allUsers = sUserManager.getUserIds(); 12467 perUserInstalled = new boolean[allUsers.length]; 12468 for (int i = 0; i < allUsers.length; i++) { 12469 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12470 } 12471 } 12472 12473 boolean sysPkg = (isSystemApp(oldPackage)); 12474 if (sysPkg) { 12475 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12476 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12477 } else { 12478 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12479 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12480 } 12481 } 12482 12483 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 12484 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12485 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12486 String volumeUuid, PackageInstalledInfo res) { 12487 String pkgName = deletedPackage.packageName; 12488 boolean deletedPkg = true; 12489 boolean updatedSettings = false; 12490 12491 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 12492 + deletedPackage); 12493 long origUpdateTime; 12494 if (pkg.mExtras != null) { 12495 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 12496 } else { 12497 origUpdateTime = 0; 12498 } 12499 12500 // First delete the existing package while retaining the data directory 12501 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 12502 res.removedInfo, true)) { 12503 // If the existing package wasn't successfully deleted 12504 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 12505 deletedPkg = false; 12506 } else { 12507 // Successfully deleted the old package; proceed with replace. 12508 12509 // If deleted package lived in a container, give users a chance to 12510 // relinquish resources before killing. 12511 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 12512 if (DEBUG_INSTALL) { 12513 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 12514 } 12515 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 12516 final ArrayList<String> pkgList = new ArrayList<String>(1); 12517 pkgList.add(deletedPackage.applicationInfo.packageName); 12518 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 12519 } 12520 12521 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 12522 try { 12523 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 12524 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 12525 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12526 perUserInstalled, res, user); 12527 updatedSettings = true; 12528 } catch (PackageManagerException e) { 12529 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12530 } 12531 } 12532 12533 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12534 // remove package from internal structures. Note that we want deletePackageX to 12535 // delete the package data and cache directories that it created in 12536 // scanPackageLocked, unless those directories existed before we even tried to 12537 // install. 12538 if(updatedSettings) { 12539 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 12540 deletePackageLI( 12541 pkgName, null, true, allUsers, perUserInstalled, 12542 PackageManager.DELETE_KEEP_DATA, 12543 res.removedInfo, true); 12544 } 12545 // Since we failed to install the new package we need to restore the old 12546 // package that we deleted. 12547 if (deletedPkg) { 12548 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 12549 File restoreFile = new File(deletedPackage.codePath); 12550 // Parse old package 12551 boolean oldExternal = isExternal(deletedPackage); 12552 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 12553 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 12554 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12555 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 12556 try { 12557 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 12558 null); 12559 } catch (PackageManagerException e) { 12560 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 12561 + e.getMessage()); 12562 return; 12563 } 12564 // Restore of old package succeeded. Update permissions. 12565 // writer 12566 synchronized (mPackages) { 12567 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 12568 UPDATE_PERMISSIONS_ALL); 12569 // can downgrade to reader 12570 mSettings.writeLPr(); 12571 } 12572 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 12573 } 12574 } 12575 } 12576 12577 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 12578 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12579 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12580 String volumeUuid, PackageInstalledInfo res) { 12581 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 12582 + ", old=" + deletedPackage); 12583 boolean disabledSystem = false; 12584 boolean updatedSettings = false; 12585 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 12586 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 12587 != 0) { 12588 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12589 } 12590 String packageName = deletedPackage.packageName; 12591 if (packageName == null) { 12592 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12593 "Attempt to delete null packageName."); 12594 return; 12595 } 12596 PackageParser.Package oldPkg; 12597 PackageSetting oldPkgSetting; 12598 // reader 12599 synchronized (mPackages) { 12600 oldPkg = mPackages.get(packageName); 12601 oldPkgSetting = mSettings.mPackages.get(packageName); 12602 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12603 (oldPkgSetting == null)) { 12604 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12605 "Couldn't find package " + packageName + " information"); 12606 return; 12607 } 12608 } 12609 12610 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12611 12612 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12613 res.removedInfo.removedPackage = packageName; 12614 // Remove existing system package 12615 removePackageLI(oldPkgSetting, true); 12616 // writer 12617 synchronized (mPackages) { 12618 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12619 if (!disabledSystem && deletedPackage != null) { 12620 // We didn't need to disable the .apk as a current system package, 12621 // which means we are replacing another update that is already 12622 // installed. We need to make sure to delete the older one's .apk. 12623 res.removedInfo.args = createInstallArgsForExisting(0, 12624 deletedPackage.applicationInfo.getCodePath(), 12625 deletedPackage.applicationInfo.getResourcePath(), 12626 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12627 } else { 12628 res.removedInfo.args = null; 12629 } 12630 } 12631 12632 // Successfully disabled the old package. Now proceed with re-installation 12633 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12634 12635 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12636 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12637 12638 PackageParser.Package newPackage = null; 12639 try { 12640 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 12641 if (newPackage.mExtras != null) { 12642 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12643 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12644 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12645 12646 // is the update attempting to change shared user? that isn't going to work... 12647 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12648 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12649 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12650 + " to " + newPkgSetting.sharedUser); 12651 updatedSettings = true; 12652 } 12653 } 12654 12655 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12656 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12657 perUserInstalled, res, user); 12658 updatedSettings = true; 12659 } 12660 12661 } catch (PackageManagerException e) { 12662 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12663 } 12664 12665 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12666 // Re installation failed. Restore old information 12667 // Remove new pkg information 12668 if (newPackage != null) { 12669 removeInstalledPackageLI(newPackage, true); 12670 } 12671 // Add back the old system package 12672 try { 12673 scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12674 } catch (PackageManagerException e) { 12675 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12676 } 12677 // Restore the old system information in Settings 12678 synchronized (mPackages) { 12679 if (disabledSystem) { 12680 mSettings.enableSystemPackageLPw(packageName); 12681 } 12682 if (updatedSettings) { 12683 mSettings.setInstallerPackageName(packageName, 12684 oldPkgSetting.installerPackageName); 12685 } 12686 mSettings.writeLPr(); 12687 } 12688 } 12689 } 12690 12691 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 12692 // Collect all used permissions in the UID 12693 ArraySet<String> usedPermissions = new ArraySet<>(); 12694 final int packageCount = su.packages.size(); 12695 for (int i = 0; i < packageCount; i++) { 12696 PackageSetting ps = su.packages.valueAt(i); 12697 if (ps.pkg == null) { 12698 continue; 12699 } 12700 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 12701 for (int j = 0; j < requestedPermCount; j++) { 12702 String permission = ps.pkg.requestedPermissions.get(j); 12703 BasePermission bp = mSettings.mPermissions.get(permission); 12704 if (bp != null) { 12705 usedPermissions.add(permission); 12706 } 12707 } 12708 } 12709 12710 PermissionsState permissionsState = su.getPermissionsState(); 12711 // Prune install permissions 12712 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 12713 final int installPermCount = installPermStates.size(); 12714 for (int i = installPermCount - 1; i >= 0; i--) { 12715 PermissionState permissionState = installPermStates.get(i); 12716 if (!usedPermissions.contains(permissionState.getName())) { 12717 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12718 if (bp != null) { 12719 permissionsState.revokeInstallPermission(bp); 12720 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12721 PackageManager.MASK_PERMISSION_FLAGS, 0); 12722 } 12723 } 12724 } 12725 12726 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 12727 12728 // Prune runtime permissions 12729 for (int userId : allUserIds) { 12730 List<PermissionState> runtimePermStates = permissionsState 12731 .getRuntimePermissionStates(userId); 12732 final int runtimePermCount = runtimePermStates.size(); 12733 for (int i = runtimePermCount - 1; i >= 0; i--) { 12734 PermissionState permissionState = runtimePermStates.get(i); 12735 if (!usedPermissions.contains(permissionState.getName())) { 12736 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12737 if (bp != null) { 12738 permissionsState.revokeRuntimePermission(bp, userId); 12739 permissionsState.updatePermissionFlags(bp, userId, 12740 PackageManager.MASK_PERMISSION_FLAGS, 0); 12741 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 12742 runtimePermissionChangedUserIds, userId); 12743 } 12744 } 12745 } 12746 } 12747 12748 return runtimePermissionChangedUserIds; 12749 } 12750 12751 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12752 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12753 UserHandle user) { 12754 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 12755 12756 String pkgName = newPackage.packageName; 12757 synchronized (mPackages) { 12758 //write settings. the installStatus will be incomplete at this stage. 12759 //note that the new package setting would have already been 12760 //added to mPackages. It hasn't been persisted yet. 12761 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12762 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12763 mSettings.writeLPr(); 12764 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12765 } 12766 12767 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12768 synchronized (mPackages) { 12769 updatePermissionsLPw(newPackage.packageName, newPackage, 12770 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12771 ? UPDATE_PERMISSIONS_ALL : 0)); 12772 // For system-bundled packages, we assume that installing an upgraded version 12773 // of the package implies that the user actually wants to run that new code, 12774 // so we enable the package. 12775 PackageSetting ps = mSettings.mPackages.get(pkgName); 12776 if (ps != null) { 12777 if (isSystemApp(newPackage)) { 12778 // NB: implicit assumption that system package upgrades apply to all users 12779 if (DEBUG_INSTALL) { 12780 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12781 } 12782 if (res.origUsers != null) { 12783 for (int userHandle : res.origUsers) { 12784 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12785 userHandle, installerPackageName); 12786 } 12787 } 12788 // Also convey the prior install/uninstall state 12789 if (allUsers != null && perUserInstalled != null) { 12790 for (int i = 0; i < allUsers.length; i++) { 12791 if (DEBUG_INSTALL) { 12792 Slog.d(TAG, " user " + allUsers[i] 12793 + " => " + perUserInstalled[i]); 12794 } 12795 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12796 } 12797 // these install state changes will be persisted in the 12798 // upcoming call to mSettings.writeLPr(). 12799 } 12800 } 12801 // It's implied that when a user requests installation, they want the app to be 12802 // installed and enabled. 12803 int userId = user.getIdentifier(); 12804 if (userId != UserHandle.USER_ALL) { 12805 ps.setInstalled(true, userId); 12806 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12807 } 12808 } 12809 res.name = pkgName; 12810 res.uid = newPackage.applicationInfo.uid; 12811 res.pkg = newPackage; 12812 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12813 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12814 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12815 //to update install status 12816 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12817 mSettings.writeLPr(); 12818 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12819 } 12820 12821 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12822 } 12823 12824 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 12825 try { 12826 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 12827 installPackageLI(args, res); 12828 } finally { 12829 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12830 } 12831 } 12832 12833 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12834 final int installFlags = args.installFlags; 12835 final String installerPackageName = args.installerPackageName; 12836 final String volumeUuid = args.volumeUuid; 12837 final File tmpPackageFile = new File(args.getCodePath()); 12838 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12839 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12840 || (args.volumeUuid != null)); 12841 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 12842 boolean replace = false; 12843 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12844 if (args.move != null) { 12845 // moving a complete application; perfom an initial scan on the new install location 12846 scanFlags |= SCAN_INITIAL; 12847 } 12848 // Result object to be returned 12849 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12850 12851 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12852 12853 // Sanity check 12854 if (ephemeral && (forwardLocked || onExternal)) { 12855 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 12856 + " external=" + onExternal); 12857 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12858 return; 12859 } 12860 12861 // Retrieve PackageSettings and parse package 12862 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12863 | PackageParser.PARSE_ENFORCE_CODE 12864 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12865 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 12866 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 12867 PackageParser pp = new PackageParser(); 12868 pp.setSeparateProcesses(mSeparateProcesses); 12869 pp.setDisplayMetrics(mMetrics); 12870 12871 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 12872 final PackageParser.Package pkg; 12873 try { 12874 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12875 } catch (PackageParserException e) { 12876 res.setError("Failed parse during installPackageLI", e); 12877 return; 12878 } finally { 12879 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12880 } 12881 12882 // Mark that we have an install time CPU ABI override. 12883 pkg.cpuAbiOverride = args.abiOverride; 12884 12885 String pkgName = res.name = pkg.packageName; 12886 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12887 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12888 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12889 return; 12890 } 12891 } 12892 12893 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 12894 try { 12895 pp.collectCertificates(pkg, parseFlags); 12896 } catch (PackageParserException e) { 12897 res.setError("Failed collect during installPackageLI", e); 12898 return; 12899 } finally { 12900 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12901 } 12902 12903 // Get rid of all references to package scan path via parser. 12904 pp = null; 12905 String oldCodePath = null; 12906 boolean systemApp = false; 12907 synchronized (mPackages) { 12908 // Check if installing already existing package 12909 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12910 String oldName = mSettings.mRenamedPackages.get(pkgName); 12911 if (pkg.mOriginalPackages != null 12912 && pkg.mOriginalPackages.contains(oldName) 12913 && mPackages.containsKey(oldName)) { 12914 // This package is derived from an original package, 12915 // and this device has been updating from that original 12916 // name. We must continue using the original name, so 12917 // rename the new package here. 12918 pkg.setPackageName(oldName); 12919 pkgName = pkg.packageName; 12920 replace = true; 12921 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12922 + oldName + " pkgName=" + pkgName); 12923 } else if (mPackages.containsKey(pkgName)) { 12924 // This package, under its official name, already exists 12925 // on the device; we should replace it. 12926 replace = true; 12927 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12928 } 12929 12930 // Prevent apps opting out from runtime permissions 12931 if (replace) { 12932 PackageParser.Package oldPackage = mPackages.get(pkgName); 12933 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12934 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12935 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12936 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12937 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12938 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12939 + " doesn't support runtime permissions but the old" 12940 + " target SDK " + oldTargetSdk + " does."); 12941 return; 12942 } 12943 } 12944 } 12945 12946 PackageSetting ps = mSettings.mPackages.get(pkgName); 12947 if (ps != null) { 12948 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12949 12950 // Quick sanity check that we're signed correctly if updating; 12951 // we'll check this again later when scanning, but we want to 12952 // bail early here before tripping over redefined permissions. 12953 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12954 if (!checkUpgradeKeySetLP(ps, pkg)) { 12955 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12956 + pkg.packageName + " upgrade keys do not match the " 12957 + "previously installed version"); 12958 return; 12959 } 12960 } else { 12961 try { 12962 verifySignaturesLP(ps, pkg); 12963 } catch (PackageManagerException e) { 12964 res.setError(e.error, e.getMessage()); 12965 return; 12966 } 12967 } 12968 12969 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12970 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12971 systemApp = (ps.pkg.applicationInfo.flags & 12972 ApplicationInfo.FLAG_SYSTEM) != 0; 12973 } 12974 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12975 } 12976 12977 // Check whether the newly-scanned package wants to define an already-defined perm 12978 int N = pkg.permissions.size(); 12979 for (int i = N-1; i >= 0; i--) { 12980 PackageParser.Permission perm = pkg.permissions.get(i); 12981 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12982 if (bp != null) { 12983 // If the defining package is signed with our cert, it's okay. This 12984 // also includes the "updating the same package" case, of course. 12985 // "updating same package" could also involve key-rotation. 12986 final boolean sigsOk; 12987 if (bp.sourcePackage.equals(pkg.packageName) 12988 && (bp.packageSetting instanceof PackageSetting) 12989 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12990 scanFlags))) { 12991 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12992 } else { 12993 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12994 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12995 } 12996 if (!sigsOk) { 12997 // If the owning package is the system itself, we log but allow 12998 // install to proceed; we fail the install on all other permission 12999 // redefinitions. 13000 if (!bp.sourcePackage.equals("android")) { 13001 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 13002 + pkg.packageName + " attempting to redeclare permission " 13003 + perm.info.name + " already owned by " + bp.sourcePackage); 13004 res.origPermission = perm.info.name; 13005 res.origPackage = bp.sourcePackage; 13006 return; 13007 } else { 13008 Slog.w(TAG, "Package " + pkg.packageName 13009 + " attempting to redeclare system permission " 13010 + perm.info.name + "; ignoring new declaration"); 13011 pkg.permissions.remove(i); 13012 } 13013 } 13014 } 13015 } 13016 13017 } 13018 13019 if (systemApp) { 13020 if (onExternal) { 13021 // Abort update; system app can't be replaced with app on sdcard 13022 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 13023 "Cannot install updates to system apps on sdcard"); 13024 return; 13025 } else if (ephemeral) { 13026 // Abort update; system app can't be replaced with an ephemeral app 13027 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 13028 "Cannot update a system app with an ephemeral app"); 13029 return; 13030 } 13031 } 13032 13033 if (args.move != null) { 13034 // We did an in-place move, so dex is ready to roll 13035 scanFlags |= SCAN_NO_DEX; 13036 scanFlags |= SCAN_MOVE; 13037 13038 synchronized (mPackages) { 13039 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13040 if (ps == null) { 13041 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 13042 "Missing settings for moved package " + pkgName); 13043 } 13044 13045 // We moved the entire application as-is, so bring over the 13046 // previously derived ABI information. 13047 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 13048 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 13049 } 13050 13051 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 13052 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 13053 scanFlags |= SCAN_NO_DEX; 13054 13055 try { 13056 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 13057 true /* extract libs */); 13058 } catch (PackageManagerException pme) { 13059 Slog.e(TAG, "Error deriving application ABI", pme); 13060 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 13061 return; 13062 } 13063 } 13064 13065 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 13066 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 13067 return; 13068 } 13069 13070 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 13071 13072 if (replace) { 13073 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 13074 installerPackageName, volumeUuid, res); 13075 } else { 13076 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 13077 args.user, installerPackageName, volumeUuid, res); 13078 } 13079 synchronized (mPackages) { 13080 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13081 if (ps != null) { 13082 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13083 } 13084 } 13085 } 13086 13087 private void startIntentFilterVerifications(int userId, boolean replacing, 13088 PackageParser.Package pkg) { 13089 if (mIntentFilterVerifierComponent == null) { 13090 Slog.w(TAG, "No IntentFilter verification will not be done as " 13091 + "there is no IntentFilterVerifier available!"); 13092 return; 13093 } 13094 13095 final int verifierUid = getPackageUid( 13096 mIntentFilterVerifierComponent.getPackageName(), 13097 MATCH_DEBUG_TRIAGED_MISSING, 13098 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 13099 13100 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 13101 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 13102 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 13103 mHandler.sendMessage(msg); 13104 } 13105 13106 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 13107 PackageParser.Package pkg) { 13108 int size = pkg.activities.size(); 13109 if (size == 0) { 13110 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13111 "No activity, so no need to verify any IntentFilter!"); 13112 return; 13113 } 13114 13115 final boolean hasDomainURLs = hasDomainURLs(pkg); 13116 if (!hasDomainURLs) { 13117 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13118 "No domain URLs, so no need to verify any IntentFilter!"); 13119 return; 13120 } 13121 13122 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 13123 + " if any IntentFilter from the " + size 13124 + " Activities needs verification ..."); 13125 13126 int count = 0; 13127 final String packageName = pkg.packageName; 13128 13129 synchronized (mPackages) { 13130 // If this is a new install and we see that we've already run verification for this 13131 // package, we have nothing to do: it means the state was restored from backup. 13132 if (!replacing) { 13133 IntentFilterVerificationInfo ivi = 13134 mSettings.getIntentFilterVerificationLPr(packageName); 13135 if (ivi != null) { 13136 if (DEBUG_DOMAIN_VERIFICATION) { 13137 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 13138 + ivi.getStatusString()); 13139 } 13140 return; 13141 } 13142 } 13143 13144 // If any filters need to be verified, then all need to be. 13145 boolean needToVerify = false; 13146 for (PackageParser.Activity a : pkg.activities) { 13147 for (ActivityIntentInfo filter : a.intents) { 13148 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 13149 if (DEBUG_DOMAIN_VERIFICATION) { 13150 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 13151 } 13152 needToVerify = true; 13153 break; 13154 } 13155 } 13156 } 13157 13158 if (needToVerify) { 13159 final int verificationId = mIntentFilterVerificationToken++; 13160 for (PackageParser.Activity a : pkg.activities) { 13161 for (ActivityIntentInfo filter : a.intents) { 13162 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 13163 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13164 "Verification needed for IntentFilter:" + filter.toString()); 13165 mIntentFilterVerifier.addOneIntentFilterVerification( 13166 verifierUid, userId, verificationId, filter, packageName); 13167 count++; 13168 } 13169 } 13170 } 13171 } 13172 } 13173 13174 if (count > 0) { 13175 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 13176 + " IntentFilter verification" + (count > 1 ? "s" : "") 13177 + " for userId:" + userId); 13178 mIntentFilterVerifier.startVerifications(userId); 13179 } else { 13180 if (DEBUG_DOMAIN_VERIFICATION) { 13181 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 13182 } 13183 } 13184 } 13185 13186 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 13187 final ComponentName cn = filter.activity.getComponentName(); 13188 final String packageName = cn.getPackageName(); 13189 13190 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 13191 packageName); 13192 if (ivi == null) { 13193 return true; 13194 } 13195 int status = ivi.getStatus(); 13196 switch (status) { 13197 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 13198 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 13199 return true; 13200 13201 default: 13202 // Nothing to do 13203 return false; 13204 } 13205 } 13206 13207 private static boolean isMultiArch(ApplicationInfo info) { 13208 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 13209 } 13210 13211 private static boolean isExternal(PackageParser.Package pkg) { 13212 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13213 } 13214 13215 private static boolean isExternal(PackageSetting ps) { 13216 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13217 } 13218 13219 private static boolean isEphemeral(PackageParser.Package pkg) { 13220 return pkg.applicationInfo.isEphemeralApp(); 13221 } 13222 13223 private static boolean isEphemeral(PackageSetting ps) { 13224 return ps.pkg != null && isEphemeral(ps.pkg); 13225 } 13226 13227 private static boolean isSystemApp(PackageParser.Package pkg) { 13228 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 13229 } 13230 13231 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 13232 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13233 } 13234 13235 private static boolean hasDomainURLs(PackageParser.Package pkg) { 13236 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 13237 } 13238 13239 private static boolean isSystemApp(PackageSetting ps) { 13240 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 13241 } 13242 13243 private static boolean isUpdatedSystemApp(PackageSetting ps) { 13244 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 13245 } 13246 13247 private int packageFlagsToInstallFlags(PackageSetting ps) { 13248 int installFlags = 0; 13249 if (isEphemeral(ps)) { 13250 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13251 } 13252 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 13253 // This existing package was an external ASEC install when we have 13254 // the external flag without a UUID 13255 installFlags |= PackageManager.INSTALL_EXTERNAL; 13256 } 13257 if (ps.isForwardLocked()) { 13258 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13259 } 13260 return installFlags; 13261 } 13262 13263 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 13264 if (isExternal(pkg)) { 13265 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13266 return StorageManager.UUID_PRIMARY_PHYSICAL; 13267 } else { 13268 return pkg.volumeUuid; 13269 } 13270 } else { 13271 return StorageManager.UUID_PRIVATE_INTERNAL; 13272 } 13273 } 13274 13275 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 13276 if (isExternal(pkg)) { 13277 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13278 return mSettings.getExternalVersion(); 13279 } else { 13280 return mSettings.findOrCreateVersion(pkg.volumeUuid); 13281 } 13282 } else { 13283 return mSettings.getInternalVersion(); 13284 } 13285 } 13286 13287 private void deleteTempPackageFiles() { 13288 final FilenameFilter filter = new FilenameFilter() { 13289 public boolean accept(File dir, String name) { 13290 return name.startsWith("vmdl") && name.endsWith(".tmp"); 13291 } 13292 }; 13293 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 13294 file.delete(); 13295 } 13296 } 13297 13298 @Override 13299 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 13300 int flags) { 13301 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 13302 flags); 13303 } 13304 13305 @Override 13306 public void deletePackage(final String packageName, 13307 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 13308 mContext.enforceCallingOrSelfPermission( 13309 android.Manifest.permission.DELETE_PACKAGES, null); 13310 Preconditions.checkNotNull(packageName); 13311 Preconditions.checkNotNull(observer); 13312 final int uid = Binder.getCallingUid(); 13313 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 13314 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 13315 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 13316 mContext.enforceCallingOrSelfPermission( 13317 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 13318 "deletePackage for user " + userId); 13319 } 13320 13321 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 13322 try { 13323 observer.onPackageDeleted(packageName, 13324 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 13325 } catch (RemoteException re) { 13326 } 13327 return; 13328 } 13329 13330 for (int currentUserId : users) { 13331 if (getBlockUninstallForUser(packageName, currentUserId)) { 13332 try { 13333 observer.onPackageDeleted(packageName, 13334 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 13335 } catch (RemoteException re) { 13336 } 13337 return; 13338 } 13339 } 13340 13341 if (DEBUG_REMOVE) { 13342 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 13343 } 13344 // Queue up an async operation since the package deletion may take a little while. 13345 mHandler.post(new Runnable() { 13346 public void run() { 13347 mHandler.removeCallbacks(this); 13348 final int returnCode = deletePackageX(packageName, userId, flags); 13349 try { 13350 observer.onPackageDeleted(packageName, returnCode, null); 13351 } catch (RemoteException e) { 13352 Log.i(TAG, "Observer no longer exists."); 13353 } //end catch 13354 } //end run 13355 }); 13356 } 13357 13358 private boolean isPackageDeviceAdmin(String packageName, int userId) { 13359 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13360 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13361 try { 13362 if (dpm != null) { 13363 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 13364 /* callingUserOnly =*/ false); 13365 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 13366 : deviceOwnerComponentName.getPackageName(); 13367 // Does the package contains the device owner? 13368 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 13369 // this check is probably not needed, since DO should be registered as a device 13370 // admin on some user too. (Original bug for this: b/17657954) 13371 if (packageName.equals(deviceOwnerPackageName)) { 13372 return true; 13373 } 13374 // Does it contain a device admin for any user? 13375 int[] users; 13376 if (userId == UserHandle.USER_ALL) { 13377 users = sUserManager.getUserIds(); 13378 } else { 13379 users = new int[]{userId}; 13380 } 13381 for (int i = 0; i < users.length; ++i) { 13382 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 13383 return true; 13384 } 13385 } 13386 } 13387 } catch (RemoteException e) { 13388 } 13389 return false; 13390 } 13391 13392 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 13393 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 13394 } 13395 13396 /** 13397 * This method is an internal method that could be get invoked either 13398 * to delete an installed package or to clean up a failed installation. 13399 * After deleting an installed package, a broadcast is sent to notify any 13400 * listeners that the package has been installed. For cleaning up a failed 13401 * installation, the broadcast is not necessary since the package's 13402 * installation wouldn't have sent the initial broadcast either 13403 * The key steps in deleting a package are 13404 * deleting the package information in internal structures like mPackages, 13405 * deleting the packages base directories through installd 13406 * updating mSettings to reflect current status 13407 * persisting settings for later use 13408 * sending a broadcast if necessary 13409 */ 13410 private int deletePackageX(String packageName, int userId, int flags) { 13411 final PackageRemovedInfo info = new PackageRemovedInfo(); 13412 final boolean res; 13413 13414 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 13415 ? UserHandle.ALL : new UserHandle(userId); 13416 13417 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 13418 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 13419 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 13420 } 13421 13422 boolean removedForAllUsers = false; 13423 boolean systemUpdate = false; 13424 13425 PackageParser.Package uninstalledPkg; 13426 13427 // for the uninstall-updates case and restricted profiles, remember the per- 13428 // userhandle installed state 13429 int[] allUsers; 13430 boolean[] perUserInstalled; 13431 synchronized (mPackages) { 13432 uninstalledPkg = mPackages.get(packageName); 13433 PackageSetting ps = mSettings.mPackages.get(packageName); 13434 allUsers = sUserManager.getUserIds(); 13435 perUserInstalled = new boolean[allUsers.length]; 13436 for (int i = 0; i < allUsers.length; i++) { 13437 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 13438 } 13439 } 13440 13441 synchronized (mInstallLock) { 13442 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 13443 res = deletePackageLI(packageName, removeForUser, 13444 true, allUsers, perUserInstalled, 13445 flags | REMOVE_CHATTY, info, true); 13446 systemUpdate = info.isRemovedPackageSystemUpdate; 13447 synchronized (mPackages) { 13448 if (res) { 13449 if (!systemUpdate && mPackages.get(packageName) == null) { 13450 removedForAllUsers = true; 13451 } 13452 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPkg); 13453 } 13454 } 13455 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 13456 + " removedForAllUsers=" + removedForAllUsers); 13457 } 13458 13459 if (res) { 13460 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 13461 13462 // If the removed package was a system update, the old system package 13463 // was re-enabled; we need to broadcast this information 13464 if (systemUpdate) { 13465 Bundle extras = new Bundle(1); 13466 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 13467 ? info.removedAppId : info.uid); 13468 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13469 13470 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 13471 extras, 0, null, null, null); 13472 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 13473 extras, 0, null, null, null); 13474 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 13475 null, 0, packageName, null, null); 13476 } 13477 } 13478 // Force a gc here. 13479 Runtime.getRuntime().gc(); 13480 // Delete the resources here after sending the broadcast to let 13481 // other processes clean up before deleting resources. 13482 if (info.args != null) { 13483 synchronized (mInstallLock) { 13484 info.args.doPostDeleteLI(true); 13485 } 13486 } 13487 13488 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 13489 } 13490 13491 class PackageRemovedInfo { 13492 String removedPackage; 13493 int uid = -1; 13494 int removedAppId = -1; 13495 int[] removedUsers = null; 13496 boolean isRemovedPackageSystemUpdate = false; 13497 // Clean up resources deleted packages. 13498 InstallArgs args = null; 13499 13500 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 13501 Bundle extras = new Bundle(1); 13502 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 13503 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 13504 if (replacing) { 13505 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13506 } 13507 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 13508 if (removedPackage != null) { 13509 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 13510 extras, 0, null, null, removedUsers); 13511 if (fullRemove && !replacing) { 13512 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 13513 extras, 0, null, null, removedUsers); 13514 } 13515 } 13516 if (removedAppId >= 0) { 13517 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 13518 removedUsers); 13519 } 13520 } 13521 } 13522 13523 /* 13524 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 13525 * flag is not set, the data directory is removed as well. 13526 * make sure this flag is set for partially installed apps. If not its meaningless to 13527 * delete a partially installed application. 13528 */ 13529 private void removePackageDataLI(PackageSetting ps, 13530 int[] allUserHandles, boolean[] perUserInstalled, 13531 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 13532 String packageName = ps.name; 13533 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 13534 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 13535 // Retrieve object to delete permissions for shared user later on 13536 final PackageSetting deletedPs; 13537 // reader 13538 synchronized (mPackages) { 13539 deletedPs = mSettings.mPackages.get(packageName); 13540 if (outInfo != null) { 13541 outInfo.removedPackage = packageName; 13542 outInfo.removedUsers = deletedPs != null 13543 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 13544 : null; 13545 } 13546 } 13547 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13548 removeDataDirsLI(ps.volumeUuid, packageName); 13549 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 13550 } 13551 // writer 13552 synchronized (mPackages) { 13553 if (deletedPs != null) { 13554 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13555 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 13556 clearDefaultBrowserIfNeeded(packageName); 13557 if (outInfo != null) { 13558 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 13559 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 13560 } 13561 updatePermissionsLPw(deletedPs.name, null, 0); 13562 if (deletedPs.sharedUser != null) { 13563 // Remove permissions associated with package. Since runtime 13564 // permissions are per user we have to kill the removed package 13565 // or packages running under the shared user of the removed 13566 // package if revoking the permissions requested only by the removed 13567 // package is successful and this causes a change in gids. 13568 for (int userId : UserManagerService.getInstance().getUserIds()) { 13569 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 13570 userId); 13571 if (userIdToKill == UserHandle.USER_ALL 13572 || userIdToKill >= UserHandle.USER_SYSTEM) { 13573 // If gids changed for this user, kill all affected packages. 13574 mHandler.post(new Runnable() { 13575 @Override 13576 public void run() { 13577 // This has to happen with no lock held. 13578 killApplication(deletedPs.name, deletedPs.appId, 13579 KILL_APP_REASON_GIDS_CHANGED); 13580 } 13581 }); 13582 break; 13583 } 13584 } 13585 } 13586 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 13587 } 13588 // make sure to preserve per-user disabled state if this removal was just 13589 // a downgrade of a system app to the factory package 13590 if (allUserHandles != null && perUserInstalled != null) { 13591 if (DEBUG_REMOVE) { 13592 Slog.d(TAG, "Propagating install state across downgrade"); 13593 } 13594 for (int i = 0; i < allUserHandles.length; i++) { 13595 if (DEBUG_REMOVE) { 13596 Slog.d(TAG, " user " + allUserHandles[i] 13597 + " => " + perUserInstalled[i]); 13598 } 13599 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13600 } 13601 } 13602 } 13603 // can downgrade to reader 13604 if (writeSettings) { 13605 // Save settings now 13606 mSettings.writeLPr(); 13607 } 13608 } 13609 if (outInfo != null) { 13610 // A user ID was deleted here. Go through all users and remove it 13611 // from KeyStore. 13612 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 13613 } 13614 } 13615 13616 static boolean locationIsPrivileged(File path) { 13617 try { 13618 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 13619 .getCanonicalPath(); 13620 return path.getCanonicalPath().startsWith(privilegedAppDir); 13621 } catch (IOException e) { 13622 Slog.e(TAG, "Unable to access code path " + path); 13623 } 13624 return false; 13625 } 13626 13627 /* 13628 * Tries to delete system package. 13629 */ 13630 private boolean deleteSystemPackageLI(PackageSetting newPs, 13631 int[] allUserHandles, boolean[] perUserInstalled, 13632 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 13633 final boolean applyUserRestrictions 13634 = (allUserHandles != null) && (perUserInstalled != null); 13635 PackageSetting disabledPs = null; 13636 // Confirm if the system package has been updated 13637 // An updated system app can be deleted. This will also have to restore 13638 // the system pkg from system partition 13639 // reader 13640 synchronized (mPackages) { 13641 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 13642 } 13643 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 13644 + " disabledPs=" + disabledPs); 13645 if (disabledPs == null) { 13646 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 13647 return false; 13648 } else if (DEBUG_REMOVE) { 13649 Slog.d(TAG, "Deleting system pkg from data partition"); 13650 } 13651 if (DEBUG_REMOVE) { 13652 if (applyUserRestrictions) { 13653 Slog.d(TAG, "Remembering install states:"); 13654 for (int i = 0; i < allUserHandles.length; i++) { 13655 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 13656 } 13657 } 13658 } 13659 // Delete the updated package 13660 outInfo.isRemovedPackageSystemUpdate = true; 13661 if (disabledPs.versionCode < newPs.versionCode) { 13662 // Delete data for downgrades 13663 flags &= ~PackageManager.DELETE_KEEP_DATA; 13664 } else { 13665 // Preserve data by setting flag 13666 flags |= PackageManager.DELETE_KEEP_DATA; 13667 } 13668 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13669 allUserHandles, perUserInstalled, outInfo, writeSettings); 13670 if (!ret) { 13671 return false; 13672 } 13673 // writer 13674 synchronized (mPackages) { 13675 // Reinstate the old system package 13676 mSettings.enableSystemPackageLPw(newPs.name); 13677 // Remove any native libraries from the upgraded package. 13678 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13679 } 13680 // Install the system package 13681 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13682 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13683 if (locationIsPrivileged(disabledPs.codePath)) { 13684 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13685 } 13686 13687 final PackageParser.Package newPkg; 13688 try { 13689 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13690 } catch (PackageManagerException e) { 13691 Slog.w(TAG, "Failed to restore system package " + newPs.name + ": " + e.getMessage()); 13692 return false; 13693 } 13694 13695 // writer 13696 synchronized (mPackages) { 13697 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13698 13699 // Propagate the permissions state as we do not want to drop on the floor 13700 // runtime permissions. The update permissions method below will take 13701 // care of removing obsolete permissions and grant install permissions. 13702 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13703 updatePermissionsLPw(newPkg.packageName, newPkg, 13704 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13705 13706 if (applyUserRestrictions) { 13707 if (DEBUG_REMOVE) { 13708 Slog.d(TAG, "Propagating install state across reinstall"); 13709 } 13710 for (int i = 0; i < allUserHandles.length; i++) { 13711 if (DEBUG_REMOVE) { 13712 Slog.d(TAG, " user " + allUserHandles[i] 13713 + " => " + perUserInstalled[i]); 13714 } 13715 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13716 13717 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13718 } 13719 // Regardless of writeSettings we need to ensure that this restriction 13720 // state propagation is persisted 13721 mSettings.writeAllUsersPackageRestrictionsLPr(); 13722 } 13723 // can downgrade to reader here 13724 if (writeSettings) { 13725 mSettings.writeLPr(); 13726 } 13727 } 13728 return true; 13729 } 13730 13731 private boolean deleteInstalledPackageLI(PackageSetting ps, 13732 boolean deleteCodeAndResources, int flags, 13733 int[] allUserHandles, boolean[] perUserInstalled, 13734 PackageRemovedInfo outInfo, boolean writeSettings) { 13735 if (outInfo != null) { 13736 outInfo.uid = ps.appId; 13737 } 13738 13739 // Delete package data from internal structures and also remove data if flag is set 13740 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13741 13742 // Delete application code and resources 13743 if (deleteCodeAndResources && (outInfo != null)) { 13744 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13745 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13746 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13747 } 13748 return true; 13749 } 13750 13751 @Override 13752 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13753 int userId) { 13754 mContext.enforceCallingOrSelfPermission( 13755 android.Manifest.permission.DELETE_PACKAGES, null); 13756 synchronized (mPackages) { 13757 PackageSetting ps = mSettings.mPackages.get(packageName); 13758 if (ps == null) { 13759 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13760 return false; 13761 } 13762 if (!ps.getInstalled(userId)) { 13763 // Can't block uninstall for an app that is not installed or enabled. 13764 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13765 return false; 13766 } 13767 ps.setBlockUninstall(blockUninstall, userId); 13768 mSettings.writePackageRestrictionsLPr(userId); 13769 } 13770 return true; 13771 } 13772 13773 @Override 13774 public boolean getBlockUninstallForUser(String packageName, int userId) { 13775 synchronized (mPackages) { 13776 PackageSetting ps = mSettings.mPackages.get(packageName); 13777 if (ps == null) { 13778 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13779 return false; 13780 } 13781 return ps.getBlockUninstall(userId); 13782 } 13783 } 13784 13785 @Override 13786 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 13787 int callingUid = Binder.getCallingUid(); 13788 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 13789 throw new SecurityException( 13790 "setRequiredForSystemUser can only be run by the system or root"); 13791 } 13792 synchronized (mPackages) { 13793 PackageSetting ps = mSettings.mPackages.get(packageName); 13794 if (ps == null) { 13795 Log.w(TAG, "Package doesn't exist: " + packageName); 13796 return false; 13797 } 13798 if (systemUserApp) { 13799 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13800 } else { 13801 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13802 } 13803 mSettings.writeLPr(); 13804 } 13805 return true; 13806 } 13807 13808 /* 13809 * This method handles package deletion in general 13810 */ 13811 private boolean deletePackageLI(String packageName, UserHandle user, 13812 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13813 int flags, PackageRemovedInfo outInfo, 13814 boolean writeSettings) { 13815 if (packageName == null) { 13816 Slog.w(TAG, "Attempt to delete null packageName."); 13817 return false; 13818 } 13819 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13820 PackageSetting ps; 13821 boolean dataOnly = false; 13822 int removeUser = -1; 13823 int appId = -1; 13824 synchronized (mPackages) { 13825 ps = mSettings.mPackages.get(packageName); 13826 if (ps == null) { 13827 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13828 return false; 13829 } 13830 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13831 && user.getIdentifier() != UserHandle.USER_ALL) { 13832 // The caller is asking that the package only be deleted for a single 13833 // user. To do this, we just mark its uninstalled state and delete 13834 // its data. If this is a system app, we only allow this to happen if 13835 // they have set the special DELETE_SYSTEM_APP which requests different 13836 // semantics than normal for uninstalling system apps. 13837 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13838 final int userId = user.getIdentifier(); 13839 ps.setUserState(userId, 13840 COMPONENT_ENABLED_STATE_DEFAULT, 13841 false, //installed 13842 true, //stopped 13843 true, //notLaunched 13844 false, //hidden 13845 false, //suspended 13846 null, null, null, 13847 false, // blockUninstall 13848 ps.readUserState(userId).domainVerificationStatus, 0); 13849 if (!isSystemApp(ps)) { 13850 // Do not uninstall the APK if an app should be cached 13851 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 13852 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 13853 // Other user still have this package installed, so all 13854 // we need to do is clear this user's data and save that 13855 // it is uninstalled. 13856 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13857 removeUser = user.getIdentifier(); 13858 appId = ps.appId; 13859 scheduleWritePackageRestrictionsLocked(removeUser); 13860 } else { 13861 // We need to set it back to 'installed' so the uninstall 13862 // broadcasts will be sent correctly. 13863 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13864 ps.setInstalled(true, user.getIdentifier()); 13865 } 13866 } else { 13867 // This is a system app, so we assume that the 13868 // other users still have this package installed, so all 13869 // we need to do is clear this user's data and save that 13870 // it is uninstalled. 13871 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13872 removeUser = user.getIdentifier(); 13873 appId = ps.appId; 13874 scheduleWritePackageRestrictionsLocked(removeUser); 13875 } 13876 } 13877 } 13878 13879 if (removeUser >= 0) { 13880 // From above, we determined that we are deleting this only 13881 // for a single user. Continue the work here. 13882 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13883 if (outInfo != null) { 13884 outInfo.removedPackage = packageName; 13885 outInfo.removedAppId = appId; 13886 outInfo.removedUsers = new int[] {removeUser}; 13887 } 13888 // TODO: triage flags as part of 26466827 13889 final int installerFlags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 13890 try { 13891 mInstaller.destroyAppData(ps.volumeUuid, packageName, removeUser, installerFlags); 13892 } catch (InstallerException e) { 13893 Slog.w(TAG, "Failed to delete app data", e); 13894 } 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 // TODO: triage flags as part of 26466827 14069 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 14070 try { 14071 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 14072 } catch (InstallerException e) { 14073 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 14074 return false; 14075 } 14076 14077 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 14078 removeKeystoreDataIfNeeded(userId, appId); 14079 14080 // Create a native library symlink only if we have native libraries 14081 // and if the native libraries are 32 bit libraries. We do not provide 14082 // this symlink for 64 bit libraries. 14083 if (pkg.applicationInfo.primaryCpuAbi != null && 14084 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 14085 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 14086 try { 14087 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 14088 nativeLibPath, userId); 14089 } catch (InstallerException e) { 14090 Slog.w(TAG, "Failed linking native library dir", e); 14091 return false; 14092 } 14093 } 14094 14095 return true; 14096 } 14097 14098 /** 14099 * Reverts user permission state changes (permissions and flags) in 14100 * all packages for a given user. 14101 * 14102 * @param userId The device user for which to do a reset. 14103 */ 14104 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 14105 final int packageCount = mPackages.size(); 14106 for (int i = 0; i < packageCount; i++) { 14107 PackageParser.Package pkg = mPackages.valueAt(i); 14108 PackageSetting ps = (PackageSetting) pkg.mExtras; 14109 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 14110 } 14111 } 14112 14113 /** 14114 * Reverts user permission state changes (permissions and flags). 14115 * 14116 * @param ps The package for which to reset. 14117 * @param userId The device user for which to do a reset. 14118 */ 14119 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 14120 final PackageSetting ps, final int userId) { 14121 if (ps.pkg == null) { 14122 return; 14123 } 14124 14125 // These are flags that can change base on user actions. 14126 final int userSettableMask = FLAG_PERMISSION_USER_SET 14127 | FLAG_PERMISSION_USER_FIXED 14128 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 14129 | FLAG_PERMISSION_REVIEW_REQUIRED; 14130 14131 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 14132 | FLAG_PERMISSION_POLICY_FIXED; 14133 14134 boolean writeInstallPermissions = false; 14135 boolean writeRuntimePermissions = false; 14136 14137 final int permissionCount = ps.pkg.requestedPermissions.size(); 14138 for (int i = 0; i < permissionCount; i++) { 14139 String permission = ps.pkg.requestedPermissions.get(i); 14140 14141 BasePermission bp = mSettings.mPermissions.get(permission); 14142 if (bp == null) { 14143 continue; 14144 } 14145 14146 // If shared user we just reset the state to which only this app contributed. 14147 if (ps.sharedUser != null) { 14148 boolean used = false; 14149 final int packageCount = ps.sharedUser.packages.size(); 14150 for (int j = 0; j < packageCount; j++) { 14151 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 14152 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 14153 && pkg.pkg.requestedPermissions.contains(permission)) { 14154 used = true; 14155 break; 14156 } 14157 } 14158 if (used) { 14159 continue; 14160 } 14161 } 14162 14163 PermissionsState permissionsState = ps.getPermissionsState(); 14164 14165 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 14166 14167 // Always clear the user settable flags. 14168 final boolean hasInstallState = permissionsState.getInstallPermissionState( 14169 bp.name) != null; 14170 // If permission review is enabled and this is a legacy app, mark the 14171 // permission as requiring a review as this is the initial state. 14172 int flags = 0; 14173 if (Build.PERMISSIONS_REVIEW_REQUIRED 14174 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 14175 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 14176 } 14177 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 14178 if (hasInstallState) { 14179 writeInstallPermissions = true; 14180 } else { 14181 writeRuntimePermissions = true; 14182 } 14183 } 14184 14185 // Below is only runtime permission handling. 14186 if (!bp.isRuntime()) { 14187 continue; 14188 } 14189 14190 // Never clobber system or policy. 14191 if ((oldFlags & policyOrSystemFlags) != 0) { 14192 continue; 14193 } 14194 14195 // If this permission was granted by default, make sure it is. 14196 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 14197 if (permissionsState.grantRuntimePermission(bp, userId) 14198 != PERMISSION_OPERATION_FAILURE) { 14199 writeRuntimePermissions = true; 14200 } 14201 // If permission review is enabled the permissions for a legacy apps 14202 // are represented as constantly granted runtime ones, so don't revoke. 14203 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 14204 // Otherwise, reset the permission. 14205 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 14206 switch (revokeResult) { 14207 case PERMISSION_OPERATION_SUCCESS: { 14208 writeRuntimePermissions = true; 14209 } break; 14210 14211 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 14212 writeRuntimePermissions = true; 14213 final int appId = ps.appId; 14214 mHandler.post(new Runnable() { 14215 @Override 14216 public void run() { 14217 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 14218 } 14219 }); 14220 } break; 14221 } 14222 } 14223 } 14224 14225 // Synchronously write as we are taking permissions away. 14226 if (writeRuntimePermissions) { 14227 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 14228 } 14229 14230 // Synchronously write as we are taking permissions away. 14231 if (writeInstallPermissions) { 14232 mSettings.writeLPr(); 14233 } 14234 } 14235 14236 /** 14237 * Remove entries from the keystore daemon. Will only remove it if the 14238 * {@code appId} is valid. 14239 */ 14240 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 14241 if (appId < 0) { 14242 return; 14243 } 14244 14245 final KeyStore keyStore = KeyStore.getInstance(); 14246 if (keyStore != null) { 14247 if (userId == UserHandle.USER_ALL) { 14248 for (final int individual : sUserManager.getUserIds()) { 14249 keyStore.clearUid(UserHandle.getUid(individual, appId)); 14250 } 14251 } else { 14252 keyStore.clearUid(UserHandle.getUid(userId, appId)); 14253 } 14254 } else { 14255 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 14256 } 14257 } 14258 14259 @Override 14260 public void deleteApplicationCacheFiles(final String packageName, 14261 final IPackageDataObserver observer) { 14262 mContext.enforceCallingOrSelfPermission( 14263 android.Manifest.permission.DELETE_CACHE_FILES, null); 14264 // Queue up an async operation since the package deletion may take a little while. 14265 final int userId = UserHandle.getCallingUserId(); 14266 mHandler.post(new Runnable() { 14267 public void run() { 14268 mHandler.removeCallbacks(this); 14269 final boolean succeded; 14270 synchronized (mInstallLock) { 14271 succeded = deleteApplicationCacheFilesLI(packageName, userId); 14272 } 14273 clearExternalStorageDataSync(packageName, userId, false); 14274 if (observer != null) { 14275 try { 14276 observer.onRemoveCompleted(packageName, succeded); 14277 } catch (RemoteException e) { 14278 Log.i(TAG, "Observer no longer exists."); 14279 } 14280 } //end if observer 14281 } //end run 14282 }); 14283 } 14284 14285 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 14286 if (packageName == null) { 14287 Slog.w(TAG, "Attempt to delete null packageName."); 14288 return false; 14289 } 14290 PackageParser.Package p; 14291 synchronized (mPackages) { 14292 p = mPackages.get(packageName); 14293 } 14294 if (p == null) { 14295 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14296 return false; 14297 } 14298 final ApplicationInfo applicationInfo = p.applicationInfo; 14299 if (applicationInfo == null) { 14300 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14301 return false; 14302 } 14303 // TODO: triage flags as part of 26466827 14304 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 14305 try { 14306 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 14307 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 14308 } catch (InstallerException e) { 14309 Slog.w(TAG, "Couldn't remove cache files for package " 14310 + packageName + " u" + userId, e); 14311 return false; 14312 } 14313 return true; 14314 } 14315 14316 @Override 14317 public void getPackageSizeInfo(final String packageName, int userHandle, 14318 final IPackageStatsObserver observer) { 14319 mContext.enforceCallingOrSelfPermission( 14320 android.Manifest.permission.GET_PACKAGE_SIZE, null); 14321 if (packageName == null) { 14322 throw new IllegalArgumentException("Attempt to get size of null packageName"); 14323 } 14324 14325 PackageStats stats = new PackageStats(packageName, userHandle); 14326 14327 /* 14328 * Queue up an async operation since the package measurement may take a 14329 * little while. 14330 */ 14331 Message msg = mHandler.obtainMessage(INIT_COPY); 14332 msg.obj = new MeasureParams(stats, observer); 14333 mHandler.sendMessage(msg); 14334 } 14335 14336 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 14337 PackageStats pStats) { 14338 if (packageName == null) { 14339 Slog.w(TAG, "Attempt to get size of null packageName."); 14340 return false; 14341 } 14342 PackageParser.Package p; 14343 boolean dataOnly = false; 14344 String libDirRoot = null; 14345 String asecPath = null; 14346 PackageSetting ps = null; 14347 synchronized (mPackages) { 14348 p = mPackages.get(packageName); 14349 ps = mSettings.mPackages.get(packageName); 14350 if(p == null) { 14351 dataOnly = true; 14352 if((ps == null) || (ps.pkg == null)) { 14353 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14354 return false; 14355 } 14356 p = ps.pkg; 14357 } 14358 if (ps != null) { 14359 libDirRoot = ps.legacyNativeLibraryPathString; 14360 } 14361 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 14362 final long token = Binder.clearCallingIdentity(); 14363 try { 14364 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 14365 if (secureContainerId != null) { 14366 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 14367 } 14368 } finally { 14369 Binder.restoreCallingIdentity(token); 14370 } 14371 } 14372 } 14373 String publicSrcDir = null; 14374 if(!dataOnly) { 14375 final ApplicationInfo applicationInfo = p.applicationInfo; 14376 if (applicationInfo == null) { 14377 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14378 return false; 14379 } 14380 if (p.isForwardLocked()) { 14381 publicSrcDir = applicationInfo.getBaseResourcePath(); 14382 } 14383 } 14384 // TODO: extend to measure size of split APKs 14385 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 14386 // not just the first level. 14387 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 14388 // just the primary. 14389 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 14390 14391 String apkPath; 14392 File packageDir = new File(p.codePath); 14393 14394 if (packageDir.isDirectory() && p.canHaveOatDir()) { 14395 apkPath = packageDir.getAbsolutePath(); 14396 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 14397 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 14398 libDirRoot = null; 14399 } 14400 } else { 14401 apkPath = p.baseCodePath; 14402 } 14403 14404 // TODO: triage flags as part of 26466827 14405 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 14406 try { 14407 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 14408 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 14409 } catch (InstallerException e) { 14410 return false; 14411 } 14412 14413 // Fix-up for forward-locked applications in ASEC containers. 14414 if (!isExternal(p)) { 14415 pStats.codeSize += pStats.externalCodeSize; 14416 pStats.externalCodeSize = 0L; 14417 } 14418 14419 return true; 14420 } 14421 14422 14423 @Override 14424 public void addPackageToPreferred(String packageName) { 14425 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 14426 } 14427 14428 @Override 14429 public void removePackageFromPreferred(String packageName) { 14430 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 14431 } 14432 14433 @Override 14434 public List<PackageInfo> getPreferredPackages(int flags) { 14435 return new ArrayList<PackageInfo>(); 14436 } 14437 14438 private int getUidTargetSdkVersionLockedLPr(int uid) { 14439 Object obj = mSettings.getUserIdLPr(uid); 14440 if (obj instanceof SharedUserSetting) { 14441 final SharedUserSetting sus = (SharedUserSetting) obj; 14442 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 14443 final Iterator<PackageSetting> it = sus.packages.iterator(); 14444 while (it.hasNext()) { 14445 final PackageSetting ps = it.next(); 14446 if (ps.pkg != null) { 14447 int v = ps.pkg.applicationInfo.targetSdkVersion; 14448 if (v < vers) vers = v; 14449 } 14450 } 14451 return vers; 14452 } else if (obj instanceof PackageSetting) { 14453 final PackageSetting ps = (PackageSetting) obj; 14454 if (ps.pkg != null) { 14455 return ps.pkg.applicationInfo.targetSdkVersion; 14456 } 14457 } 14458 return Build.VERSION_CODES.CUR_DEVELOPMENT; 14459 } 14460 14461 @Override 14462 public void addPreferredActivity(IntentFilter filter, int match, 14463 ComponentName[] set, ComponentName activity, int userId) { 14464 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14465 "Adding preferred"); 14466 } 14467 14468 private void addPreferredActivityInternal(IntentFilter filter, int match, 14469 ComponentName[] set, ComponentName activity, boolean always, int userId, 14470 String opname) { 14471 // writer 14472 int callingUid = Binder.getCallingUid(); 14473 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 14474 if (filter.countActions() == 0) { 14475 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14476 return; 14477 } 14478 synchronized (mPackages) { 14479 if (mContext.checkCallingOrSelfPermission( 14480 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14481 != PackageManager.PERMISSION_GRANTED) { 14482 if (getUidTargetSdkVersionLockedLPr(callingUid) 14483 < Build.VERSION_CODES.FROYO) { 14484 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 14485 + callingUid); 14486 return; 14487 } 14488 mContext.enforceCallingOrSelfPermission( 14489 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14490 } 14491 14492 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 14493 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 14494 + userId + ":"); 14495 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14496 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 14497 scheduleWritePackageRestrictionsLocked(userId); 14498 } 14499 } 14500 14501 @Override 14502 public void replacePreferredActivity(IntentFilter filter, int match, 14503 ComponentName[] set, ComponentName activity, int userId) { 14504 if (filter.countActions() != 1) { 14505 throw new IllegalArgumentException( 14506 "replacePreferredActivity expects filter to have only 1 action."); 14507 } 14508 if (filter.countDataAuthorities() != 0 14509 || filter.countDataPaths() != 0 14510 || filter.countDataSchemes() > 1 14511 || filter.countDataTypes() != 0) { 14512 throw new IllegalArgumentException( 14513 "replacePreferredActivity expects filter to have no data authorities, " + 14514 "paths, or types; and at most one scheme."); 14515 } 14516 14517 final int callingUid = Binder.getCallingUid(); 14518 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 14519 synchronized (mPackages) { 14520 if (mContext.checkCallingOrSelfPermission( 14521 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14522 != PackageManager.PERMISSION_GRANTED) { 14523 if (getUidTargetSdkVersionLockedLPr(callingUid) 14524 < Build.VERSION_CODES.FROYO) { 14525 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 14526 + Binder.getCallingUid()); 14527 return; 14528 } 14529 mContext.enforceCallingOrSelfPermission( 14530 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14531 } 14532 14533 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14534 if (pir != null) { 14535 // Get all of the existing entries that exactly match this filter. 14536 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 14537 if (existing != null && existing.size() == 1) { 14538 PreferredActivity cur = existing.get(0); 14539 if (DEBUG_PREFERRED) { 14540 Slog.i(TAG, "Checking replace of preferred:"); 14541 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14542 if (!cur.mPref.mAlways) { 14543 Slog.i(TAG, " -- CUR; not mAlways!"); 14544 } else { 14545 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 14546 Slog.i(TAG, " -- CUR: mSet=" 14547 + Arrays.toString(cur.mPref.mSetComponents)); 14548 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 14549 Slog.i(TAG, " -- NEW: mMatch=" 14550 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 14551 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 14552 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 14553 } 14554 } 14555 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 14556 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 14557 && cur.mPref.sameSet(set)) { 14558 // Setting the preferred activity to what it happens to be already 14559 if (DEBUG_PREFERRED) { 14560 Slog.i(TAG, "Replacing with same preferred activity " 14561 + cur.mPref.mShortComponent + " for user " 14562 + userId + ":"); 14563 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14564 } 14565 return; 14566 } 14567 } 14568 14569 if (existing != null) { 14570 if (DEBUG_PREFERRED) { 14571 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 14572 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14573 } 14574 for (int i = 0; i < existing.size(); i++) { 14575 PreferredActivity pa = existing.get(i); 14576 if (DEBUG_PREFERRED) { 14577 Slog.i(TAG, "Removing existing preferred activity " 14578 + pa.mPref.mComponent + ":"); 14579 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 14580 } 14581 pir.removeFilter(pa); 14582 } 14583 } 14584 } 14585 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14586 "Replacing preferred"); 14587 } 14588 } 14589 14590 @Override 14591 public void clearPackagePreferredActivities(String packageName) { 14592 final int uid = Binder.getCallingUid(); 14593 // writer 14594 synchronized (mPackages) { 14595 PackageParser.Package pkg = mPackages.get(packageName); 14596 if (pkg == null || pkg.applicationInfo.uid != uid) { 14597 if (mContext.checkCallingOrSelfPermission( 14598 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14599 != PackageManager.PERMISSION_GRANTED) { 14600 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 14601 < Build.VERSION_CODES.FROYO) { 14602 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 14603 + Binder.getCallingUid()); 14604 return; 14605 } 14606 mContext.enforceCallingOrSelfPermission( 14607 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14608 } 14609 } 14610 14611 int user = UserHandle.getCallingUserId(); 14612 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 14613 scheduleWritePackageRestrictionsLocked(user); 14614 } 14615 } 14616 } 14617 14618 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14619 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 14620 ArrayList<PreferredActivity> removed = null; 14621 boolean changed = false; 14622 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14623 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 14624 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14625 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 14626 continue; 14627 } 14628 Iterator<PreferredActivity> it = pir.filterIterator(); 14629 while (it.hasNext()) { 14630 PreferredActivity pa = it.next(); 14631 // Mark entry for removal only if it matches the package name 14632 // and the entry is of type "always". 14633 if (packageName == null || 14634 (pa.mPref.mComponent.getPackageName().equals(packageName) 14635 && pa.mPref.mAlways)) { 14636 if (removed == null) { 14637 removed = new ArrayList<PreferredActivity>(); 14638 } 14639 removed.add(pa); 14640 } 14641 } 14642 if (removed != null) { 14643 for (int j=0; j<removed.size(); j++) { 14644 PreferredActivity pa = removed.get(j); 14645 pir.removeFilter(pa); 14646 } 14647 changed = true; 14648 } 14649 } 14650 return changed; 14651 } 14652 14653 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14654 private void clearIntentFilterVerificationsLPw(int userId) { 14655 final int packageCount = mPackages.size(); 14656 for (int i = 0; i < packageCount; i++) { 14657 PackageParser.Package pkg = mPackages.valueAt(i); 14658 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 14659 } 14660 } 14661 14662 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14663 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 14664 if (userId == UserHandle.USER_ALL) { 14665 if (mSettings.removeIntentFilterVerificationLPw(packageName, 14666 sUserManager.getUserIds())) { 14667 for (int oneUserId : sUserManager.getUserIds()) { 14668 scheduleWritePackageRestrictionsLocked(oneUserId); 14669 } 14670 } 14671 } else { 14672 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 14673 scheduleWritePackageRestrictionsLocked(userId); 14674 } 14675 } 14676 } 14677 14678 void clearDefaultBrowserIfNeeded(String packageName) { 14679 for (int oneUserId : sUserManager.getUserIds()) { 14680 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 14681 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 14682 if (packageName.equals(defaultBrowserPackageName)) { 14683 setDefaultBrowserPackageName(null, oneUserId); 14684 } 14685 } 14686 } 14687 14688 @Override 14689 public void resetApplicationPreferences(int userId) { 14690 mContext.enforceCallingOrSelfPermission( 14691 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14692 // writer 14693 synchronized (mPackages) { 14694 final long identity = Binder.clearCallingIdentity(); 14695 try { 14696 clearPackagePreferredActivitiesLPw(null, userId); 14697 mSettings.applyDefaultPreferredAppsLPw(this, userId); 14698 // TODO: We have to reset the default SMS and Phone. This requires 14699 // significant refactoring to keep all default apps in the package 14700 // manager (cleaner but more work) or have the services provide 14701 // callbacks to the package manager to request a default app reset. 14702 applyFactoryDefaultBrowserLPw(userId); 14703 clearIntentFilterVerificationsLPw(userId); 14704 primeDomainVerificationsLPw(userId); 14705 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 14706 scheduleWritePackageRestrictionsLocked(userId); 14707 } finally { 14708 Binder.restoreCallingIdentity(identity); 14709 } 14710 } 14711 } 14712 14713 @Override 14714 public int getPreferredActivities(List<IntentFilter> outFilters, 14715 List<ComponentName> outActivities, String packageName) { 14716 14717 int num = 0; 14718 final int userId = UserHandle.getCallingUserId(); 14719 // reader 14720 synchronized (mPackages) { 14721 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14722 if (pir != null) { 14723 final Iterator<PreferredActivity> it = pir.filterIterator(); 14724 while (it.hasNext()) { 14725 final PreferredActivity pa = it.next(); 14726 if (packageName == null 14727 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14728 && pa.mPref.mAlways)) { 14729 if (outFilters != null) { 14730 outFilters.add(new IntentFilter(pa)); 14731 } 14732 if (outActivities != null) { 14733 outActivities.add(pa.mPref.mComponent); 14734 } 14735 } 14736 } 14737 } 14738 } 14739 14740 return num; 14741 } 14742 14743 @Override 14744 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14745 int userId) { 14746 int callingUid = Binder.getCallingUid(); 14747 if (callingUid != Process.SYSTEM_UID) { 14748 throw new SecurityException( 14749 "addPersistentPreferredActivity can only be run by the system"); 14750 } 14751 if (filter.countActions() == 0) { 14752 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14753 return; 14754 } 14755 synchronized (mPackages) { 14756 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14757 ":"); 14758 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14759 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14760 new PersistentPreferredActivity(filter, activity)); 14761 scheduleWritePackageRestrictionsLocked(userId); 14762 } 14763 } 14764 14765 @Override 14766 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14767 int callingUid = Binder.getCallingUid(); 14768 if (callingUid != Process.SYSTEM_UID) { 14769 throw new SecurityException( 14770 "clearPackagePersistentPreferredActivities can only be run by the system"); 14771 } 14772 ArrayList<PersistentPreferredActivity> removed = null; 14773 boolean changed = false; 14774 synchronized (mPackages) { 14775 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14776 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14777 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14778 .valueAt(i); 14779 if (userId != thisUserId) { 14780 continue; 14781 } 14782 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14783 while (it.hasNext()) { 14784 PersistentPreferredActivity ppa = it.next(); 14785 // Mark entry for removal only if it matches the package name. 14786 if (ppa.mComponent.getPackageName().equals(packageName)) { 14787 if (removed == null) { 14788 removed = new ArrayList<PersistentPreferredActivity>(); 14789 } 14790 removed.add(ppa); 14791 } 14792 } 14793 if (removed != null) { 14794 for (int j=0; j<removed.size(); j++) { 14795 PersistentPreferredActivity ppa = removed.get(j); 14796 ppir.removeFilter(ppa); 14797 } 14798 changed = true; 14799 } 14800 } 14801 14802 if (changed) { 14803 scheduleWritePackageRestrictionsLocked(userId); 14804 } 14805 } 14806 } 14807 14808 /** 14809 * Common machinery for picking apart a restored XML blob and passing 14810 * it to a caller-supplied functor to be applied to the running system. 14811 */ 14812 private void restoreFromXml(XmlPullParser parser, int userId, 14813 String expectedStartTag, BlobXmlRestorer functor) 14814 throws IOException, XmlPullParserException { 14815 int type; 14816 while ((type = parser.next()) != XmlPullParser.START_TAG 14817 && type != XmlPullParser.END_DOCUMENT) { 14818 } 14819 if (type != XmlPullParser.START_TAG) { 14820 // oops didn't find a start tag?! 14821 if (DEBUG_BACKUP) { 14822 Slog.e(TAG, "Didn't find start tag during restore"); 14823 } 14824 return; 14825 } 14826 14827 // this is supposed to be TAG_PREFERRED_BACKUP 14828 if (!expectedStartTag.equals(parser.getName())) { 14829 if (DEBUG_BACKUP) { 14830 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14831 } 14832 return; 14833 } 14834 14835 // skip interfering stuff, then we're aligned with the backing implementation 14836 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14837 functor.apply(parser, userId); 14838 } 14839 14840 private interface BlobXmlRestorer { 14841 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14842 } 14843 14844 /** 14845 * Non-Binder method, support for the backup/restore mechanism: write the 14846 * full set of preferred activities in its canonical XML format. Returns the 14847 * XML output as a byte array, or null if there is none. 14848 */ 14849 @Override 14850 public byte[] getPreferredActivityBackup(int userId) { 14851 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14852 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14853 } 14854 14855 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14856 try { 14857 final XmlSerializer serializer = new FastXmlSerializer(); 14858 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14859 serializer.startDocument(null, true); 14860 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14861 14862 synchronized (mPackages) { 14863 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14864 } 14865 14866 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14867 serializer.endDocument(); 14868 serializer.flush(); 14869 } catch (Exception e) { 14870 if (DEBUG_BACKUP) { 14871 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14872 } 14873 return null; 14874 } 14875 14876 return dataStream.toByteArray(); 14877 } 14878 14879 @Override 14880 public void restorePreferredActivities(byte[] backup, int userId) { 14881 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14882 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14883 } 14884 14885 try { 14886 final XmlPullParser parser = Xml.newPullParser(); 14887 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14888 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14889 new BlobXmlRestorer() { 14890 @Override 14891 public void apply(XmlPullParser parser, int userId) 14892 throws XmlPullParserException, IOException { 14893 synchronized (mPackages) { 14894 mSettings.readPreferredActivitiesLPw(parser, userId); 14895 } 14896 } 14897 } ); 14898 } catch (Exception e) { 14899 if (DEBUG_BACKUP) { 14900 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14901 } 14902 } 14903 } 14904 14905 /** 14906 * Non-Binder method, support for the backup/restore mechanism: write the 14907 * default browser (etc) settings in its canonical XML format. Returns the default 14908 * browser XML representation as a byte array, or null if there is none. 14909 */ 14910 @Override 14911 public byte[] getDefaultAppsBackup(int userId) { 14912 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14913 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14914 } 14915 14916 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14917 try { 14918 final XmlSerializer serializer = new FastXmlSerializer(); 14919 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14920 serializer.startDocument(null, true); 14921 serializer.startTag(null, TAG_DEFAULT_APPS); 14922 14923 synchronized (mPackages) { 14924 mSettings.writeDefaultAppsLPr(serializer, userId); 14925 } 14926 14927 serializer.endTag(null, TAG_DEFAULT_APPS); 14928 serializer.endDocument(); 14929 serializer.flush(); 14930 } catch (Exception e) { 14931 if (DEBUG_BACKUP) { 14932 Slog.e(TAG, "Unable to write default apps for backup", e); 14933 } 14934 return null; 14935 } 14936 14937 return dataStream.toByteArray(); 14938 } 14939 14940 @Override 14941 public void restoreDefaultApps(byte[] backup, int userId) { 14942 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14943 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14944 } 14945 14946 try { 14947 final XmlPullParser parser = Xml.newPullParser(); 14948 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14949 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14950 new BlobXmlRestorer() { 14951 @Override 14952 public void apply(XmlPullParser parser, int userId) 14953 throws XmlPullParserException, IOException { 14954 synchronized (mPackages) { 14955 mSettings.readDefaultAppsLPw(parser, userId); 14956 } 14957 } 14958 } ); 14959 } catch (Exception e) { 14960 if (DEBUG_BACKUP) { 14961 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14962 } 14963 } 14964 } 14965 14966 @Override 14967 public byte[] getIntentFilterVerificationBackup(int userId) { 14968 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14969 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14970 } 14971 14972 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14973 try { 14974 final XmlSerializer serializer = new FastXmlSerializer(); 14975 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14976 serializer.startDocument(null, true); 14977 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14978 14979 synchronized (mPackages) { 14980 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14981 } 14982 14983 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14984 serializer.endDocument(); 14985 serializer.flush(); 14986 } catch (Exception e) { 14987 if (DEBUG_BACKUP) { 14988 Slog.e(TAG, "Unable to write default apps for backup", e); 14989 } 14990 return null; 14991 } 14992 14993 return dataStream.toByteArray(); 14994 } 14995 14996 @Override 14997 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14998 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14999 throw new SecurityException("Only the system may call restorePreferredActivities()"); 15000 } 15001 15002 try { 15003 final XmlPullParser parser = Xml.newPullParser(); 15004 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15005 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 15006 new BlobXmlRestorer() { 15007 @Override 15008 public void apply(XmlPullParser parser, int userId) 15009 throws XmlPullParserException, IOException { 15010 synchronized (mPackages) { 15011 mSettings.readAllDomainVerificationsLPr(parser, userId); 15012 mSettings.writeLPr(); 15013 } 15014 } 15015 } ); 15016 } catch (Exception e) { 15017 if (DEBUG_BACKUP) { 15018 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 15019 } 15020 } 15021 } 15022 15023 @Override 15024 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 15025 int sourceUserId, int targetUserId, int flags) { 15026 mContext.enforceCallingOrSelfPermission( 15027 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 15028 int callingUid = Binder.getCallingUid(); 15029 enforceOwnerRights(ownerPackage, callingUid); 15030 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 15031 if (intentFilter.countActions() == 0) { 15032 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 15033 return; 15034 } 15035 synchronized (mPackages) { 15036 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 15037 ownerPackage, targetUserId, flags); 15038 CrossProfileIntentResolver resolver = 15039 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 15040 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 15041 // We have all those whose filter is equal. Now checking if the rest is equal as well. 15042 if (existing != null) { 15043 int size = existing.size(); 15044 for (int i = 0; i < size; i++) { 15045 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 15046 return; 15047 } 15048 } 15049 } 15050 resolver.addFilter(newFilter); 15051 scheduleWritePackageRestrictionsLocked(sourceUserId); 15052 } 15053 } 15054 15055 @Override 15056 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 15057 mContext.enforceCallingOrSelfPermission( 15058 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 15059 int callingUid = Binder.getCallingUid(); 15060 enforceOwnerRights(ownerPackage, callingUid); 15061 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 15062 synchronized (mPackages) { 15063 CrossProfileIntentResolver resolver = 15064 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 15065 ArraySet<CrossProfileIntentFilter> set = 15066 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 15067 for (CrossProfileIntentFilter filter : set) { 15068 if (filter.getOwnerPackage().equals(ownerPackage)) { 15069 resolver.removeFilter(filter); 15070 } 15071 } 15072 scheduleWritePackageRestrictionsLocked(sourceUserId); 15073 } 15074 } 15075 15076 // Enforcing that callingUid is owning pkg on userId 15077 private void enforceOwnerRights(String pkg, int callingUid) { 15078 // The system owns everything. 15079 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 15080 return; 15081 } 15082 int callingUserId = UserHandle.getUserId(callingUid); 15083 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 15084 if (pi == null) { 15085 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 15086 + callingUserId); 15087 } 15088 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 15089 throw new SecurityException("Calling uid " + callingUid 15090 + " does not own package " + pkg); 15091 } 15092 } 15093 15094 @Override 15095 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 15096 Intent intent = new Intent(Intent.ACTION_MAIN); 15097 intent.addCategory(Intent.CATEGORY_HOME); 15098 15099 final int callingUserId = UserHandle.getCallingUserId(); 15100 List<ResolveInfo> list = queryIntentActivities(intent, null, 15101 PackageManager.GET_META_DATA, callingUserId); 15102 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 15103 true, false, false, callingUserId); 15104 15105 allHomeCandidates.clear(); 15106 if (list != null) { 15107 for (ResolveInfo ri : list) { 15108 allHomeCandidates.add(ri); 15109 } 15110 } 15111 return (preferred == null || preferred.activityInfo == null) 15112 ? null 15113 : new ComponentName(preferred.activityInfo.packageName, 15114 preferred.activityInfo.name); 15115 } 15116 15117 @Override 15118 public void setApplicationEnabledSetting(String appPackageName, 15119 int newState, int flags, int userId, String callingPackage) { 15120 if (!sUserManager.exists(userId)) return; 15121 if (callingPackage == null) { 15122 callingPackage = Integer.toString(Binder.getCallingUid()); 15123 } 15124 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 15125 } 15126 15127 @Override 15128 public void setComponentEnabledSetting(ComponentName componentName, 15129 int newState, int flags, int userId) { 15130 if (!sUserManager.exists(userId)) return; 15131 setEnabledSetting(componentName.getPackageName(), 15132 componentName.getClassName(), newState, flags, userId, null); 15133 } 15134 15135 private void setEnabledSetting(final String packageName, String className, int newState, 15136 final int flags, int userId, String callingPackage) { 15137 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 15138 || newState == COMPONENT_ENABLED_STATE_ENABLED 15139 || newState == COMPONENT_ENABLED_STATE_DISABLED 15140 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 15141 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 15142 throw new IllegalArgumentException("Invalid new component state: " 15143 + newState); 15144 } 15145 PackageSetting pkgSetting; 15146 final int uid = Binder.getCallingUid(); 15147 final int permission = mContext.checkCallingOrSelfPermission( 15148 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15149 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 15150 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15151 boolean sendNow = false; 15152 boolean isApp = (className == null); 15153 String componentName = isApp ? packageName : className; 15154 int packageUid = -1; 15155 ArrayList<String> components; 15156 15157 // writer 15158 synchronized (mPackages) { 15159 pkgSetting = mSettings.mPackages.get(packageName); 15160 if (pkgSetting == null) { 15161 if (className == null) { 15162 throw new IllegalArgumentException("Unknown package: " + packageName); 15163 } 15164 throw new IllegalArgumentException( 15165 "Unknown component: " + packageName + "/" + className); 15166 } 15167 // Allow root and verify that userId is not being specified by a different user 15168 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 15169 throw new SecurityException( 15170 "Permission Denial: attempt to change component state from pid=" 15171 + Binder.getCallingPid() 15172 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 15173 } 15174 if (className == null) { 15175 // We're dealing with an application/package level state change 15176 if (pkgSetting.getEnabled(userId) == newState) { 15177 // Nothing to do 15178 return; 15179 } 15180 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 15181 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 15182 // Don't care about who enables an app. 15183 callingPackage = null; 15184 } 15185 pkgSetting.setEnabled(newState, userId, callingPackage); 15186 // pkgSetting.pkg.mSetEnabled = newState; 15187 } else { 15188 // We're dealing with a component level state change 15189 // First, verify that this is a valid class name. 15190 PackageParser.Package pkg = pkgSetting.pkg; 15191 if (pkg == null || !pkg.hasComponentClassName(className)) { 15192 if (pkg != null && 15193 pkg.applicationInfo.targetSdkVersion >= 15194 Build.VERSION_CODES.JELLY_BEAN) { 15195 throw new IllegalArgumentException("Component class " + className 15196 + " does not exist in " + packageName); 15197 } else { 15198 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 15199 + className + " does not exist in " + packageName); 15200 } 15201 } 15202 switch (newState) { 15203 case COMPONENT_ENABLED_STATE_ENABLED: 15204 if (!pkgSetting.enableComponentLPw(className, userId)) { 15205 return; 15206 } 15207 break; 15208 case COMPONENT_ENABLED_STATE_DISABLED: 15209 if (!pkgSetting.disableComponentLPw(className, userId)) { 15210 return; 15211 } 15212 break; 15213 case COMPONENT_ENABLED_STATE_DEFAULT: 15214 if (!pkgSetting.restoreComponentLPw(className, userId)) { 15215 return; 15216 } 15217 break; 15218 default: 15219 Slog.e(TAG, "Invalid new component state: " + newState); 15220 return; 15221 } 15222 } 15223 scheduleWritePackageRestrictionsLocked(userId); 15224 components = mPendingBroadcasts.get(userId, packageName); 15225 final boolean newPackage = components == null; 15226 if (newPackage) { 15227 components = new ArrayList<String>(); 15228 } 15229 if (!components.contains(componentName)) { 15230 components.add(componentName); 15231 } 15232 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 15233 sendNow = true; 15234 // Purge entry from pending broadcast list if another one exists already 15235 // since we are sending one right away. 15236 mPendingBroadcasts.remove(userId, packageName); 15237 } else { 15238 if (newPackage) { 15239 mPendingBroadcasts.put(userId, packageName, components); 15240 } 15241 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 15242 // Schedule a message 15243 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 15244 } 15245 } 15246 } 15247 15248 long callingId = Binder.clearCallingIdentity(); 15249 try { 15250 if (sendNow) { 15251 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 15252 sendPackageChangedBroadcast(packageName, 15253 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 15254 } 15255 } finally { 15256 Binder.restoreCallingIdentity(callingId); 15257 } 15258 } 15259 15260 private void sendPackageChangedBroadcast(String packageName, 15261 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 15262 if (DEBUG_INSTALL) 15263 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 15264 + componentNames); 15265 Bundle extras = new Bundle(4); 15266 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 15267 String nameList[] = new String[componentNames.size()]; 15268 componentNames.toArray(nameList); 15269 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 15270 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 15271 extras.putInt(Intent.EXTRA_UID, packageUid); 15272 // If this is not reporting a change of the overall package, then only send it 15273 // to registered receivers. We don't want to launch a swath of apps for every 15274 // little component state change. 15275 final int flags = !componentNames.contains(packageName) 15276 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 15277 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 15278 new int[] {UserHandle.getUserId(packageUid)}); 15279 } 15280 15281 @Override 15282 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 15283 if (!sUserManager.exists(userId)) return; 15284 final int uid = Binder.getCallingUid(); 15285 final int permission = mContext.checkCallingOrSelfPermission( 15286 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15287 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15288 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 15289 // writer 15290 synchronized (mPackages) { 15291 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 15292 allowedByPermission, uid, userId)) { 15293 scheduleWritePackageRestrictionsLocked(userId); 15294 } 15295 } 15296 } 15297 15298 @Override 15299 public String getInstallerPackageName(String packageName) { 15300 // reader 15301 synchronized (mPackages) { 15302 return mSettings.getInstallerPackageNameLPr(packageName); 15303 } 15304 } 15305 15306 @Override 15307 public int getApplicationEnabledSetting(String packageName, int userId) { 15308 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15309 int uid = Binder.getCallingUid(); 15310 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 15311 // reader 15312 synchronized (mPackages) { 15313 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 15314 } 15315 } 15316 15317 @Override 15318 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 15319 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15320 int uid = Binder.getCallingUid(); 15321 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 15322 // reader 15323 synchronized (mPackages) { 15324 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 15325 } 15326 } 15327 15328 @Override 15329 public void enterSafeMode() { 15330 enforceSystemOrRoot("Only the system can request entering safe mode"); 15331 15332 if (!mSystemReady) { 15333 mSafeMode = true; 15334 } 15335 } 15336 15337 @Override 15338 public void systemReady() { 15339 mSystemReady = true; 15340 15341 // Read the compatibilty setting when the system is ready. 15342 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 15343 mContext.getContentResolver(), 15344 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 15345 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 15346 if (DEBUG_SETTINGS) { 15347 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 15348 } 15349 15350 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 15351 15352 synchronized (mPackages) { 15353 // Verify that all of the preferred activity components actually 15354 // exist. It is possible for applications to be updated and at 15355 // that point remove a previously declared activity component that 15356 // had been set as a preferred activity. We try to clean this up 15357 // the next time we encounter that preferred activity, but it is 15358 // possible for the user flow to never be able to return to that 15359 // situation so here we do a sanity check to make sure we haven't 15360 // left any junk around. 15361 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 15362 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15363 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15364 removed.clear(); 15365 for (PreferredActivity pa : pir.filterSet()) { 15366 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 15367 removed.add(pa); 15368 } 15369 } 15370 if (removed.size() > 0) { 15371 for (int r=0; r<removed.size(); r++) { 15372 PreferredActivity pa = removed.get(r); 15373 Slog.w(TAG, "Removing dangling preferred activity: " 15374 + pa.mPref.mComponent); 15375 pir.removeFilter(pa); 15376 } 15377 mSettings.writePackageRestrictionsLPr( 15378 mSettings.mPreferredActivities.keyAt(i)); 15379 } 15380 } 15381 15382 for (int userId : UserManagerService.getInstance().getUserIds()) { 15383 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 15384 grantPermissionsUserIds = ArrayUtils.appendInt( 15385 grantPermissionsUserIds, userId); 15386 } 15387 } 15388 } 15389 sUserManager.systemReady(); 15390 15391 // If we upgraded grant all default permissions before kicking off. 15392 for (int userId : grantPermissionsUserIds) { 15393 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 15394 } 15395 15396 // Kick off any messages waiting for system ready 15397 if (mPostSystemReadyMessages != null) { 15398 for (Message msg : mPostSystemReadyMessages) { 15399 msg.sendToTarget(); 15400 } 15401 mPostSystemReadyMessages = null; 15402 } 15403 15404 // Watch for external volumes that come and go over time 15405 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15406 storage.registerListener(mStorageListener); 15407 15408 mInstallerService.systemReady(); 15409 mPackageDexOptimizer.systemReady(); 15410 15411 MountServiceInternal mountServiceInternal = LocalServices.getService( 15412 MountServiceInternal.class); 15413 mountServiceInternal.addExternalStoragePolicy( 15414 new MountServiceInternal.ExternalStorageMountPolicy() { 15415 @Override 15416 public int getMountMode(int uid, String packageName) { 15417 if (Process.isIsolated(uid)) { 15418 return Zygote.MOUNT_EXTERNAL_NONE; 15419 } 15420 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 15421 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15422 } 15423 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15424 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15425 } 15426 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15427 return Zygote.MOUNT_EXTERNAL_READ; 15428 } 15429 return Zygote.MOUNT_EXTERNAL_WRITE; 15430 } 15431 15432 @Override 15433 public boolean hasExternalStorage(int uid, String packageName) { 15434 return true; 15435 } 15436 }); 15437 } 15438 15439 @Override 15440 public boolean isSafeMode() { 15441 return mSafeMode; 15442 } 15443 15444 @Override 15445 public boolean hasSystemUidErrors() { 15446 return mHasSystemUidErrors; 15447 } 15448 15449 static String arrayToString(int[] array) { 15450 StringBuffer buf = new StringBuffer(128); 15451 buf.append('['); 15452 if (array != null) { 15453 for (int i=0; i<array.length; i++) { 15454 if (i > 0) buf.append(", "); 15455 buf.append(array[i]); 15456 } 15457 } 15458 buf.append(']'); 15459 return buf.toString(); 15460 } 15461 15462 static class DumpState { 15463 public static final int DUMP_LIBS = 1 << 0; 15464 public static final int DUMP_FEATURES = 1 << 1; 15465 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 15466 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 15467 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 15468 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 15469 public static final int DUMP_PERMISSIONS = 1 << 6; 15470 public static final int DUMP_PACKAGES = 1 << 7; 15471 public static final int DUMP_SHARED_USERS = 1 << 8; 15472 public static final int DUMP_MESSAGES = 1 << 9; 15473 public static final int DUMP_PROVIDERS = 1 << 10; 15474 public static final int DUMP_VERIFIERS = 1 << 11; 15475 public static final int DUMP_PREFERRED = 1 << 12; 15476 public static final int DUMP_PREFERRED_XML = 1 << 13; 15477 public static final int DUMP_KEYSETS = 1 << 14; 15478 public static final int DUMP_VERSION = 1 << 15; 15479 public static final int DUMP_INSTALLS = 1 << 16; 15480 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 15481 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 15482 15483 public static final int OPTION_SHOW_FILTERS = 1 << 0; 15484 15485 private int mTypes; 15486 15487 private int mOptions; 15488 15489 private boolean mTitlePrinted; 15490 15491 private SharedUserSetting mSharedUser; 15492 15493 public boolean isDumping(int type) { 15494 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 15495 return true; 15496 } 15497 15498 return (mTypes & type) != 0; 15499 } 15500 15501 public void setDump(int type) { 15502 mTypes |= type; 15503 } 15504 15505 public boolean isOptionEnabled(int option) { 15506 return (mOptions & option) != 0; 15507 } 15508 15509 public void setOptionEnabled(int option) { 15510 mOptions |= option; 15511 } 15512 15513 public boolean onTitlePrinted() { 15514 final boolean printed = mTitlePrinted; 15515 mTitlePrinted = true; 15516 return printed; 15517 } 15518 15519 public boolean getTitlePrinted() { 15520 return mTitlePrinted; 15521 } 15522 15523 public void setTitlePrinted(boolean enabled) { 15524 mTitlePrinted = enabled; 15525 } 15526 15527 public SharedUserSetting getSharedUser() { 15528 return mSharedUser; 15529 } 15530 15531 public void setSharedUser(SharedUserSetting user) { 15532 mSharedUser = user; 15533 } 15534 } 15535 15536 @Override 15537 public void onShellCommand(FileDescriptor in, FileDescriptor out, 15538 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 15539 (new PackageManagerShellCommand(this)).exec( 15540 this, in, out, err, args, resultReceiver); 15541 } 15542 15543 @Override 15544 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 15545 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 15546 != PackageManager.PERMISSION_GRANTED) { 15547 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 15548 + Binder.getCallingPid() 15549 + ", uid=" + Binder.getCallingUid() 15550 + " without permission " 15551 + android.Manifest.permission.DUMP); 15552 return; 15553 } 15554 15555 DumpState dumpState = new DumpState(); 15556 boolean fullPreferred = false; 15557 boolean checkin = false; 15558 15559 String packageName = null; 15560 ArraySet<String> permissionNames = null; 15561 15562 int opti = 0; 15563 while (opti < args.length) { 15564 String opt = args[opti]; 15565 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 15566 break; 15567 } 15568 opti++; 15569 15570 if ("-a".equals(opt)) { 15571 // Right now we only know how to print all. 15572 } else if ("-h".equals(opt)) { 15573 pw.println("Package manager dump options:"); 15574 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 15575 pw.println(" --checkin: dump for a checkin"); 15576 pw.println(" -f: print details of intent filters"); 15577 pw.println(" -h: print this help"); 15578 pw.println(" cmd may be one of:"); 15579 pw.println(" l[ibraries]: list known shared libraries"); 15580 pw.println(" f[eatures]: list device features"); 15581 pw.println(" k[eysets]: print known keysets"); 15582 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 15583 pw.println(" perm[issions]: dump permissions"); 15584 pw.println(" permission [name ...]: dump declaration and use of given permission"); 15585 pw.println(" pref[erred]: print preferred package settings"); 15586 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 15587 pw.println(" prov[iders]: dump content providers"); 15588 pw.println(" p[ackages]: dump installed packages"); 15589 pw.println(" s[hared-users]: dump shared user IDs"); 15590 pw.println(" m[essages]: print collected runtime messages"); 15591 pw.println(" v[erifiers]: print package verifier info"); 15592 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 15593 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 15594 pw.println(" version: print database version info"); 15595 pw.println(" write: write current settings now"); 15596 pw.println(" installs: details about install sessions"); 15597 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 15598 pw.println(" <package.name>: info about given package"); 15599 return; 15600 } else if ("--checkin".equals(opt)) { 15601 checkin = true; 15602 } else if ("-f".equals(opt)) { 15603 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15604 } else { 15605 pw.println("Unknown argument: " + opt + "; use -h for help"); 15606 } 15607 } 15608 15609 // Is the caller requesting to dump a particular piece of data? 15610 if (opti < args.length) { 15611 String cmd = args[opti]; 15612 opti++; 15613 // Is this a package name? 15614 if ("android".equals(cmd) || cmd.contains(".")) { 15615 packageName = cmd; 15616 // When dumping a single package, we always dump all of its 15617 // filter information since the amount of data will be reasonable. 15618 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15619 } else if ("check-permission".equals(cmd)) { 15620 if (opti >= args.length) { 15621 pw.println("Error: check-permission missing permission argument"); 15622 return; 15623 } 15624 String perm = args[opti]; 15625 opti++; 15626 if (opti >= args.length) { 15627 pw.println("Error: check-permission missing package argument"); 15628 return; 15629 } 15630 String pkg = args[opti]; 15631 opti++; 15632 int user = UserHandle.getUserId(Binder.getCallingUid()); 15633 if (opti < args.length) { 15634 try { 15635 user = Integer.parseInt(args[opti]); 15636 } catch (NumberFormatException e) { 15637 pw.println("Error: check-permission user argument is not a number: " 15638 + args[opti]); 15639 return; 15640 } 15641 } 15642 pw.println(checkPermission(perm, pkg, user)); 15643 return; 15644 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 15645 dumpState.setDump(DumpState.DUMP_LIBS); 15646 } else if ("f".equals(cmd) || "features".equals(cmd)) { 15647 dumpState.setDump(DumpState.DUMP_FEATURES); 15648 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 15649 if (opti >= args.length) { 15650 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 15651 | DumpState.DUMP_SERVICE_RESOLVERS 15652 | DumpState.DUMP_RECEIVER_RESOLVERS 15653 | DumpState.DUMP_CONTENT_RESOLVERS); 15654 } else { 15655 while (opti < args.length) { 15656 String name = args[opti]; 15657 if ("a".equals(name) || "activity".equals(name)) { 15658 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 15659 } else if ("s".equals(name) || "service".equals(name)) { 15660 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 15661 } else if ("r".equals(name) || "receiver".equals(name)) { 15662 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 15663 } else if ("c".equals(name) || "content".equals(name)) { 15664 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 15665 } else { 15666 pw.println("Error: unknown resolver table type: " + name); 15667 return; 15668 } 15669 opti++; 15670 } 15671 } 15672 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 15673 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 15674 } else if ("permission".equals(cmd)) { 15675 if (opti >= args.length) { 15676 pw.println("Error: permission requires permission name"); 15677 return; 15678 } 15679 permissionNames = new ArraySet<>(); 15680 while (opti < args.length) { 15681 permissionNames.add(args[opti]); 15682 opti++; 15683 } 15684 dumpState.setDump(DumpState.DUMP_PERMISSIONS 15685 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 15686 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 15687 dumpState.setDump(DumpState.DUMP_PREFERRED); 15688 } else if ("preferred-xml".equals(cmd)) { 15689 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 15690 if (opti < args.length && "--full".equals(args[opti])) { 15691 fullPreferred = true; 15692 opti++; 15693 } 15694 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 15695 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 15696 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 15697 dumpState.setDump(DumpState.DUMP_PACKAGES); 15698 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 15699 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 15700 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 15701 dumpState.setDump(DumpState.DUMP_PROVIDERS); 15702 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 15703 dumpState.setDump(DumpState.DUMP_MESSAGES); 15704 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 15705 dumpState.setDump(DumpState.DUMP_VERIFIERS); 15706 } else if ("i".equals(cmd) || "ifv".equals(cmd) 15707 || "intent-filter-verifiers".equals(cmd)) { 15708 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 15709 } else if ("version".equals(cmd)) { 15710 dumpState.setDump(DumpState.DUMP_VERSION); 15711 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 15712 dumpState.setDump(DumpState.DUMP_KEYSETS); 15713 } else if ("installs".equals(cmd)) { 15714 dumpState.setDump(DumpState.DUMP_INSTALLS); 15715 } else if ("write".equals(cmd)) { 15716 synchronized (mPackages) { 15717 mSettings.writeLPr(); 15718 pw.println("Settings written."); 15719 return; 15720 } 15721 } 15722 } 15723 15724 if (checkin) { 15725 pw.println("vers,1"); 15726 } 15727 15728 // reader 15729 synchronized (mPackages) { 15730 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 15731 if (!checkin) { 15732 if (dumpState.onTitlePrinted()) 15733 pw.println(); 15734 pw.println("Database versions:"); 15735 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 15736 } 15737 } 15738 15739 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 15740 if (!checkin) { 15741 if (dumpState.onTitlePrinted()) 15742 pw.println(); 15743 pw.println("Verifiers:"); 15744 pw.print(" Required: "); 15745 pw.print(mRequiredVerifierPackage); 15746 pw.print(" (uid="); 15747 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 15748 UserHandle.USER_SYSTEM)); 15749 pw.println(")"); 15750 } else if (mRequiredVerifierPackage != null) { 15751 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 15752 pw.print(","); 15753 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 15754 UserHandle.USER_SYSTEM)); 15755 } 15756 } 15757 15758 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 15759 packageName == null) { 15760 if (mIntentFilterVerifierComponent != null) { 15761 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 15762 if (!checkin) { 15763 if (dumpState.onTitlePrinted()) 15764 pw.println(); 15765 pw.println("Intent Filter Verifier:"); 15766 pw.print(" Using: "); 15767 pw.print(verifierPackageName); 15768 pw.print(" (uid="); 15769 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 15770 UserHandle.USER_SYSTEM)); 15771 pw.println(")"); 15772 } else if (verifierPackageName != null) { 15773 pw.print("ifv,"); pw.print(verifierPackageName); 15774 pw.print(","); 15775 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 15776 UserHandle.USER_SYSTEM)); 15777 } 15778 } else { 15779 pw.println(); 15780 pw.println("No Intent Filter Verifier available!"); 15781 } 15782 } 15783 15784 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 15785 boolean printedHeader = false; 15786 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 15787 while (it.hasNext()) { 15788 String name = it.next(); 15789 SharedLibraryEntry ent = mSharedLibraries.get(name); 15790 if (!checkin) { 15791 if (!printedHeader) { 15792 if (dumpState.onTitlePrinted()) 15793 pw.println(); 15794 pw.println("Libraries:"); 15795 printedHeader = true; 15796 } 15797 pw.print(" "); 15798 } else { 15799 pw.print("lib,"); 15800 } 15801 pw.print(name); 15802 if (!checkin) { 15803 pw.print(" -> "); 15804 } 15805 if (ent.path != null) { 15806 if (!checkin) { 15807 pw.print("(jar) "); 15808 pw.print(ent.path); 15809 } else { 15810 pw.print(",jar,"); 15811 pw.print(ent.path); 15812 } 15813 } else { 15814 if (!checkin) { 15815 pw.print("(apk) "); 15816 pw.print(ent.apk); 15817 } else { 15818 pw.print(",apk,"); 15819 pw.print(ent.apk); 15820 } 15821 } 15822 pw.println(); 15823 } 15824 } 15825 15826 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15827 if (dumpState.onTitlePrinted()) 15828 pw.println(); 15829 if (!checkin) { 15830 pw.println("Features:"); 15831 } 15832 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15833 while (it.hasNext()) { 15834 String name = it.next(); 15835 if (!checkin) { 15836 pw.print(" "); 15837 } else { 15838 pw.print("feat,"); 15839 } 15840 pw.println(name); 15841 } 15842 } 15843 15844 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 15845 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15846 : "Activity Resolver Table:", " ", packageName, 15847 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15848 dumpState.setTitlePrinted(true); 15849 } 15850 } 15851 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 15852 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15853 : "Receiver Resolver Table:", " ", packageName, 15854 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15855 dumpState.setTitlePrinted(true); 15856 } 15857 } 15858 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 15859 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15860 : "Service Resolver Table:", " ", packageName, 15861 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15862 dumpState.setTitlePrinted(true); 15863 } 15864 } 15865 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 15866 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15867 : "Provider Resolver Table:", " ", packageName, 15868 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15869 dumpState.setTitlePrinted(true); 15870 } 15871 } 15872 15873 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15874 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15875 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15876 int user = mSettings.mPreferredActivities.keyAt(i); 15877 if (pir.dump(pw, 15878 dumpState.getTitlePrinted() 15879 ? "\nPreferred Activities User " + user + ":" 15880 : "Preferred Activities User " + user + ":", " ", 15881 packageName, true, false)) { 15882 dumpState.setTitlePrinted(true); 15883 } 15884 } 15885 } 15886 15887 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15888 pw.flush(); 15889 FileOutputStream fout = new FileOutputStream(fd); 15890 BufferedOutputStream str = new BufferedOutputStream(fout); 15891 XmlSerializer serializer = new FastXmlSerializer(); 15892 try { 15893 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15894 serializer.startDocument(null, true); 15895 serializer.setFeature( 15896 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15897 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15898 serializer.endDocument(); 15899 serializer.flush(); 15900 } catch (IllegalArgumentException e) { 15901 pw.println("Failed writing: " + e); 15902 } catch (IllegalStateException e) { 15903 pw.println("Failed writing: " + e); 15904 } catch (IOException e) { 15905 pw.println("Failed writing: " + e); 15906 } 15907 } 15908 15909 if (!checkin 15910 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15911 && packageName == null) { 15912 pw.println(); 15913 int count = mSettings.mPackages.size(); 15914 if (count == 0) { 15915 pw.println("No applications!"); 15916 pw.println(); 15917 } else { 15918 final String prefix = " "; 15919 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15920 if (allPackageSettings.size() == 0) { 15921 pw.println("No domain preferred apps!"); 15922 pw.println(); 15923 } else { 15924 pw.println("App verification status:"); 15925 pw.println(); 15926 count = 0; 15927 for (PackageSetting ps : allPackageSettings) { 15928 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15929 if (ivi == null || ivi.getPackageName() == null) continue; 15930 pw.println(prefix + "Package: " + ivi.getPackageName()); 15931 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15932 pw.println(prefix + "Status: " + ivi.getStatusString()); 15933 pw.println(); 15934 count++; 15935 } 15936 if (count == 0) { 15937 pw.println(prefix + "No app verification established."); 15938 pw.println(); 15939 } 15940 for (int userId : sUserManager.getUserIds()) { 15941 pw.println("App linkages for user " + userId + ":"); 15942 pw.println(); 15943 count = 0; 15944 for (PackageSetting ps : allPackageSettings) { 15945 final long status = ps.getDomainVerificationStatusForUser(userId); 15946 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15947 continue; 15948 } 15949 pw.println(prefix + "Package: " + ps.name); 15950 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15951 String statusStr = IntentFilterVerificationInfo. 15952 getStatusStringFromValue(status); 15953 pw.println(prefix + "Status: " + statusStr); 15954 pw.println(); 15955 count++; 15956 } 15957 if (count == 0) { 15958 pw.println(prefix + "No configured app linkages."); 15959 pw.println(); 15960 } 15961 } 15962 } 15963 } 15964 } 15965 15966 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15967 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15968 if (packageName == null && permissionNames == null) { 15969 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15970 if (iperm == 0) { 15971 if (dumpState.onTitlePrinted()) 15972 pw.println(); 15973 pw.println("AppOp Permissions:"); 15974 } 15975 pw.print(" AppOp Permission "); 15976 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15977 pw.println(":"); 15978 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15979 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15980 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15981 } 15982 } 15983 } 15984 } 15985 15986 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15987 boolean printedSomething = false; 15988 for (PackageParser.Provider p : mProviders.mProviders.values()) { 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("Registered ContentProviders:"); 15996 printedSomething = true; 15997 } 15998 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15999 pw.print(" "); pw.println(p.toString()); 16000 } 16001 printedSomething = false; 16002 for (Map.Entry<String, PackageParser.Provider> entry : 16003 mProvidersByAuthority.entrySet()) { 16004 PackageParser.Provider p = entry.getValue(); 16005 if (packageName != null && !packageName.equals(p.info.packageName)) { 16006 continue; 16007 } 16008 if (!printedSomething) { 16009 if (dumpState.onTitlePrinted()) 16010 pw.println(); 16011 pw.println("ContentProvider Authorities:"); 16012 printedSomething = true; 16013 } 16014 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 16015 pw.print(" "); pw.println(p.toString()); 16016 if (p.info != null && p.info.applicationInfo != null) { 16017 final String appInfo = p.info.applicationInfo.toString(); 16018 pw.print(" applicationInfo="); pw.println(appInfo); 16019 } 16020 } 16021 } 16022 16023 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 16024 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 16025 } 16026 16027 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 16028 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 16029 } 16030 16031 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 16032 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 16033 } 16034 16035 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 16036 // XXX should handle packageName != null by dumping only install data that 16037 // the given package is involved with. 16038 if (dumpState.onTitlePrinted()) pw.println(); 16039 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 16040 } 16041 16042 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 16043 if (dumpState.onTitlePrinted()) pw.println(); 16044 mSettings.dumpReadMessagesLPr(pw, dumpState); 16045 16046 pw.println(); 16047 pw.println("Package warning messages:"); 16048 BufferedReader in = null; 16049 String line = null; 16050 try { 16051 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 16052 while ((line = in.readLine()) != null) { 16053 if (line.contains("ignored: updated version")) continue; 16054 pw.println(line); 16055 } 16056 } catch (IOException ignored) { 16057 } finally { 16058 IoUtils.closeQuietly(in); 16059 } 16060 } 16061 16062 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 16063 BufferedReader in = null; 16064 String line = null; 16065 try { 16066 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 16067 while ((line = in.readLine()) != null) { 16068 if (line.contains("ignored: updated version")) continue; 16069 pw.print("msg,"); 16070 pw.println(line); 16071 } 16072 } catch (IOException ignored) { 16073 } finally { 16074 IoUtils.closeQuietly(in); 16075 } 16076 } 16077 } 16078 } 16079 16080 private String dumpDomainString(String packageName) { 16081 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 16082 List<IntentFilter> filters = getAllIntentFilters(packageName); 16083 16084 ArraySet<String> result = new ArraySet<>(); 16085 if (iviList.size() > 0) { 16086 for (IntentFilterVerificationInfo ivi : iviList) { 16087 for (String host : ivi.getDomains()) { 16088 result.add(host); 16089 } 16090 } 16091 } 16092 if (filters != null && filters.size() > 0) { 16093 for (IntentFilter filter : filters) { 16094 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 16095 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 16096 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 16097 result.addAll(filter.getHostsList()); 16098 } 16099 } 16100 } 16101 16102 StringBuilder sb = new StringBuilder(result.size() * 16); 16103 for (String domain : result) { 16104 if (sb.length() > 0) sb.append(" "); 16105 sb.append(domain); 16106 } 16107 return sb.toString(); 16108 } 16109 16110 // ------- apps on sdcard specific code ------- 16111 static final boolean DEBUG_SD_INSTALL = false; 16112 16113 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 16114 16115 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 16116 16117 private boolean mMediaMounted = false; 16118 16119 static String getEncryptKey() { 16120 try { 16121 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 16122 SD_ENCRYPTION_KEYSTORE_NAME); 16123 if (sdEncKey == null) { 16124 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 16125 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 16126 if (sdEncKey == null) { 16127 Slog.e(TAG, "Failed to create encryption keys"); 16128 return null; 16129 } 16130 } 16131 return sdEncKey; 16132 } catch (NoSuchAlgorithmException nsae) { 16133 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 16134 return null; 16135 } catch (IOException ioe) { 16136 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 16137 return null; 16138 } 16139 } 16140 16141 /* 16142 * Update media status on PackageManager. 16143 */ 16144 @Override 16145 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 16146 int callingUid = Binder.getCallingUid(); 16147 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 16148 throw new SecurityException("Media status can only be updated by the system"); 16149 } 16150 // reader; this apparently protects mMediaMounted, but should probably 16151 // be a different lock in that case. 16152 synchronized (mPackages) { 16153 Log.i(TAG, "Updating external media status from " 16154 + (mMediaMounted ? "mounted" : "unmounted") + " to " 16155 + (mediaStatus ? "mounted" : "unmounted")); 16156 if (DEBUG_SD_INSTALL) 16157 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 16158 + ", mMediaMounted=" + mMediaMounted); 16159 if (mediaStatus == mMediaMounted) { 16160 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 16161 : 0, -1); 16162 mHandler.sendMessage(msg); 16163 return; 16164 } 16165 mMediaMounted = mediaStatus; 16166 } 16167 // Queue up an async operation since the package installation may take a 16168 // little while. 16169 mHandler.post(new Runnable() { 16170 public void run() { 16171 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 16172 } 16173 }); 16174 } 16175 16176 /** 16177 * Called by MountService when the initial ASECs to scan are available. 16178 * Should block until all the ASEC containers are finished being scanned. 16179 */ 16180 public void scanAvailableAsecs() { 16181 updateExternalMediaStatusInner(true, false, false); 16182 if (mShouldRestoreconData) { 16183 SELinuxMMAC.setRestoreconDone(); 16184 mShouldRestoreconData = false; 16185 } 16186 } 16187 16188 /* 16189 * Collect information of applications on external media, map them against 16190 * existing containers and update information based on current mount status. 16191 * Please note that we always have to report status if reportStatus has been 16192 * set to true especially when unloading packages. 16193 */ 16194 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 16195 boolean externalStorage) { 16196 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 16197 int[] uidArr = EmptyArray.INT; 16198 16199 final String[] list = PackageHelper.getSecureContainerList(); 16200 if (ArrayUtils.isEmpty(list)) { 16201 Log.i(TAG, "No secure containers found"); 16202 } else { 16203 // Process list of secure containers and categorize them 16204 // as active or stale based on their package internal state. 16205 16206 // reader 16207 synchronized (mPackages) { 16208 for (String cid : list) { 16209 // Leave stages untouched for now; installer service owns them 16210 if (PackageInstallerService.isStageName(cid)) continue; 16211 16212 if (DEBUG_SD_INSTALL) 16213 Log.i(TAG, "Processing container " + cid); 16214 String pkgName = getAsecPackageName(cid); 16215 if (pkgName == null) { 16216 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 16217 continue; 16218 } 16219 if (DEBUG_SD_INSTALL) 16220 Log.i(TAG, "Looking for pkg : " + pkgName); 16221 16222 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16223 if (ps == null) { 16224 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 16225 continue; 16226 } 16227 16228 /* 16229 * Skip packages that are not external if we're unmounting 16230 * external storage. 16231 */ 16232 if (externalStorage && !isMounted && !isExternal(ps)) { 16233 continue; 16234 } 16235 16236 final AsecInstallArgs args = new AsecInstallArgs(cid, 16237 getAppDexInstructionSets(ps), ps.isForwardLocked()); 16238 // The package status is changed only if the code path 16239 // matches between settings and the container id. 16240 if (ps.codePathString != null 16241 && ps.codePathString.startsWith(args.getCodePath())) { 16242 if (DEBUG_SD_INSTALL) { 16243 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 16244 + " at code path: " + ps.codePathString); 16245 } 16246 16247 // We do have a valid package installed on sdcard 16248 processCids.put(args, ps.codePathString); 16249 final int uid = ps.appId; 16250 if (uid != -1) { 16251 uidArr = ArrayUtils.appendInt(uidArr, uid); 16252 } 16253 } else { 16254 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 16255 + ps.codePathString); 16256 } 16257 } 16258 } 16259 16260 Arrays.sort(uidArr); 16261 } 16262 16263 // Process packages with valid entries. 16264 if (isMounted) { 16265 if (DEBUG_SD_INSTALL) 16266 Log.i(TAG, "Loading packages"); 16267 loadMediaPackages(processCids, uidArr, externalStorage); 16268 startCleaningPackages(); 16269 mInstallerService.onSecureContainersAvailable(); 16270 } else { 16271 if (DEBUG_SD_INSTALL) 16272 Log.i(TAG, "Unloading packages"); 16273 unloadMediaPackages(processCids, uidArr, reportStatus); 16274 } 16275 } 16276 16277 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16278 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 16279 final int size = infos.size(); 16280 final String[] packageNames = new String[size]; 16281 final int[] packageUids = new int[size]; 16282 for (int i = 0; i < size; i++) { 16283 final ApplicationInfo info = infos.get(i); 16284 packageNames[i] = info.packageName; 16285 packageUids[i] = info.uid; 16286 } 16287 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 16288 finishedReceiver); 16289 } 16290 16291 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16292 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16293 sendResourcesChangedBroadcast(mediaStatus, replacing, 16294 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 16295 } 16296 16297 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16298 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16299 int size = pkgList.length; 16300 if (size > 0) { 16301 // Send broadcasts here 16302 Bundle extras = new Bundle(); 16303 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 16304 if (uidArr != null) { 16305 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 16306 } 16307 if (replacing) { 16308 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 16309 } 16310 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 16311 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 16312 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 16313 } 16314 } 16315 16316 /* 16317 * Look at potentially valid container ids from processCids If package 16318 * information doesn't match the one on record or package scanning fails, 16319 * the cid is added to list of removeCids. We currently don't delete stale 16320 * containers. 16321 */ 16322 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 16323 boolean externalStorage) { 16324 ArrayList<String> pkgList = new ArrayList<String>(); 16325 Set<AsecInstallArgs> keys = processCids.keySet(); 16326 16327 for (AsecInstallArgs args : keys) { 16328 String codePath = processCids.get(args); 16329 if (DEBUG_SD_INSTALL) 16330 Log.i(TAG, "Loading container : " + args.cid); 16331 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16332 try { 16333 // Make sure there are no container errors first. 16334 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 16335 Slog.e(TAG, "Failed to mount cid : " + args.cid 16336 + " when installing from sdcard"); 16337 continue; 16338 } 16339 // Check code path here. 16340 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 16341 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 16342 + " does not match one in settings " + codePath); 16343 continue; 16344 } 16345 // Parse package 16346 int parseFlags = mDefParseFlags; 16347 if (args.isExternalAsec()) { 16348 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 16349 } 16350 if (args.isFwdLocked()) { 16351 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 16352 } 16353 16354 synchronized (mInstallLock) { 16355 PackageParser.Package pkg = null; 16356 try { 16357 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 16358 } catch (PackageManagerException e) { 16359 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 16360 } 16361 // Scan the package 16362 if (pkg != null) { 16363 /* 16364 * TODO why is the lock being held? doPostInstall is 16365 * called in other places without the lock. This needs 16366 * to be straightened out. 16367 */ 16368 // writer 16369 synchronized (mPackages) { 16370 retCode = PackageManager.INSTALL_SUCCEEDED; 16371 pkgList.add(pkg.packageName); 16372 // Post process args 16373 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 16374 pkg.applicationInfo.uid); 16375 } 16376 } else { 16377 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 16378 } 16379 } 16380 16381 } finally { 16382 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 16383 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 16384 } 16385 } 16386 } 16387 // writer 16388 synchronized (mPackages) { 16389 // If the platform SDK has changed since the last time we booted, 16390 // we need to re-grant app permission to catch any new ones that 16391 // appear. This is really a hack, and means that apps can in some 16392 // cases get permissions that the user didn't initially explicitly 16393 // allow... it would be nice to have some better way to handle 16394 // this situation. 16395 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 16396 : mSettings.getInternalVersion(); 16397 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 16398 : StorageManager.UUID_PRIVATE_INTERNAL; 16399 16400 int updateFlags = UPDATE_PERMISSIONS_ALL; 16401 if (ver.sdkVersion != mSdkVersion) { 16402 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16403 + mSdkVersion + "; regranting permissions for external"); 16404 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16405 } 16406 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 16407 16408 // Yay, everything is now upgraded 16409 ver.forceCurrent(); 16410 16411 // can downgrade to reader 16412 // Persist settings 16413 mSettings.writeLPr(); 16414 } 16415 // Send a broadcast to let everyone know we are done processing 16416 if (pkgList.size() > 0) { 16417 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 16418 } 16419 } 16420 16421 /* 16422 * Utility method to unload a list of specified containers 16423 */ 16424 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 16425 // Just unmount all valid containers. 16426 for (AsecInstallArgs arg : cidArgs) { 16427 synchronized (mInstallLock) { 16428 arg.doPostDeleteLI(false); 16429 } 16430 } 16431 } 16432 16433 /* 16434 * Unload packages mounted on external media. This involves deleting package 16435 * data from internal structures, sending broadcasts about diabled packages, 16436 * gc'ing to free up references, unmounting all secure containers 16437 * corresponding to packages on external media, and posting a 16438 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 16439 * that we always have to post this message if status has been requested no 16440 * matter what. 16441 */ 16442 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 16443 final boolean reportStatus) { 16444 if (DEBUG_SD_INSTALL) 16445 Log.i(TAG, "unloading media packages"); 16446 ArrayList<String> pkgList = new ArrayList<String>(); 16447 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 16448 final Set<AsecInstallArgs> keys = processCids.keySet(); 16449 for (AsecInstallArgs args : keys) { 16450 String pkgName = args.getPackageName(); 16451 if (DEBUG_SD_INSTALL) 16452 Log.i(TAG, "Trying to unload pkg : " + pkgName); 16453 // Delete package internally 16454 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16455 synchronized (mInstallLock) { 16456 boolean res = deletePackageLI(pkgName, null, false, null, null, 16457 PackageManager.DELETE_KEEP_DATA, outInfo, false); 16458 if (res) { 16459 pkgList.add(pkgName); 16460 } else { 16461 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 16462 failedList.add(args); 16463 } 16464 } 16465 } 16466 16467 // reader 16468 synchronized (mPackages) { 16469 // We didn't update the settings after removing each package; 16470 // write them now for all packages. 16471 mSettings.writeLPr(); 16472 } 16473 16474 // We have to absolutely send UPDATED_MEDIA_STATUS only 16475 // after confirming that all the receivers processed the ordered 16476 // broadcast when packages get disabled, force a gc to clean things up. 16477 // and unload all the containers. 16478 if (pkgList.size() > 0) { 16479 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 16480 new IIntentReceiver.Stub() { 16481 public void performReceive(Intent intent, int resultCode, String data, 16482 Bundle extras, boolean ordered, boolean sticky, 16483 int sendingUser) throws RemoteException { 16484 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 16485 reportStatus ? 1 : 0, 1, keys); 16486 mHandler.sendMessage(msg); 16487 } 16488 }); 16489 } else { 16490 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 16491 keys); 16492 mHandler.sendMessage(msg); 16493 } 16494 } 16495 16496 private void loadPrivatePackages(final VolumeInfo vol) { 16497 mHandler.post(new Runnable() { 16498 @Override 16499 public void run() { 16500 loadPrivatePackagesInner(vol); 16501 } 16502 }); 16503 } 16504 16505 private void loadPrivatePackagesInner(VolumeInfo vol) { 16506 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 16507 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 16508 16509 final VersionInfo ver; 16510 final List<PackageSetting> packages; 16511 synchronized (mPackages) { 16512 ver = mSettings.findOrCreateVersion(vol.fsUuid); 16513 packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16514 } 16515 16516 for (PackageSetting ps : packages) { 16517 synchronized (mInstallLock) { 16518 final PackageParser.Package pkg; 16519 try { 16520 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 16521 loaded.add(pkg.applicationInfo); 16522 } catch (PackageManagerException e) { 16523 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 16524 } 16525 16526 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 16527 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 16528 } 16529 } 16530 } 16531 16532 synchronized (mPackages) { 16533 int updateFlags = UPDATE_PERMISSIONS_ALL; 16534 if (ver.sdkVersion != mSdkVersion) { 16535 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16536 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 16537 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16538 } 16539 updatePermissionsLPw(null, null, vol.fsUuid, updateFlags); 16540 16541 // Yay, everything is now upgraded 16542 ver.forceCurrent(); 16543 16544 mSettings.writeLPr(); 16545 } 16546 16547 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 16548 sendResourcesChangedBroadcast(true, false, loaded, null); 16549 } 16550 16551 private void unloadPrivatePackages(final VolumeInfo vol) { 16552 mHandler.post(new Runnable() { 16553 @Override 16554 public void run() { 16555 unloadPrivatePackagesInner(vol); 16556 } 16557 }); 16558 } 16559 16560 private void unloadPrivatePackagesInner(VolumeInfo vol) { 16561 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 16562 synchronized (mInstallLock) { 16563 synchronized (mPackages) { 16564 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16565 for (PackageSetting ps : packages) { 16566 if (ps.pkg == null) continue; 16567 16568 final ApplicationInfo info = ps.pkg.applicationInfo; 16569 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16570 if (deletePackageLI(ps.name, null, false, null, null, 16571 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 16572 unloaded.add(info); 16573 } else { 16574 Slog.w(TAG, "Failed to unload " + ps.codePath); 16575 } 16576 } 16577 16578 mSettings.writeLPr(); 16579 } 16580 } 16581 16582 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 16583 sendResourcesChangedBroadcast(false, false, unloaded, null); 16584 } 16585 16586 /** 16587 * Examine all users present on given mounted volume, and destroy data 16588 * belonging to users that are no longer valid, or whose user ID has been 16589 * recycled. 16590 */ 16591 private void reconcileUsers(String volumeUuid) { 16592 final File[] files = FileUtils 16593 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 16594 for (File file : files) { 16595 if (!file.isDirectory()) continue; 16596 16597 final int userId; 16598 final UserInfo info; 16599 try { 16600 userId = Integer.parseInt(file.getName()); 16601 info = sUserManager.getUserInfo(userId); 16602 } catch (NumberFormatException e) { 16603 Slog.w(TAG, "Invalid user directory " + file); 16604 continue; 16605 } 16606 16607 boolean destroyUser = false; 16608 if (info == null) { 16609 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16610 + " because no matching user was found"); 16611 destroyUser = true; 16612 } else { 16613 try { 16614 UserManagerService.enforceSerialNumber(file, info.serialNumber); 16615 } catch (IOException e) { 16616 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16617 + " because we failed to enforce serial number: " + e); 16618 destroyUser = true; 16619 } 16620 } 16621 16622 if (destroyUser) { 16623 synchronized (mInstallLock) { 16624 try { 16625 mInstaller.removeUserDataDirs(volumeUuid, userId); 16626 } catch (InstallerException e) { 16627 Slog.w(TAG, "Failed to clean up user dirs", e); 16628 } 16629 } 16630 } 16631 } 16632 16633 final StorageManager sm = mContext.getSystemService(StorageManager.class); 16634 final UserManager um = mContext.getSystemService(UserManager.class); 16635 for (UserInfo user : um.getUsers()) { 16636 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 16637 if (userDir.exists()) continue; 16638 16639 try { 16640 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, user.isEphemeral()); 16641 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 16642 } catch (IOException e) { 16643 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 16644 } 16645 } 16646 } 16647 16648 /** 16649 * Examine all apps present on given mounted volume, and destroy apps that 16650 * aren't expected, either due to uninstallation or reinstallation on 16651 * another volume. 16652 */ 16653 private void reconcileApps(String volumeUuid) { 16654 final File[] files = FileUtils 16655 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 16656 for (File file : files) { 16657 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 16658 && !PackageInstallerService.isStageName(file.getName()); 16659 if (!isPackage) { 16660 // Ignore entries which are not packages 16661 continue; 16662 } 16663 16664 boolean destroyApp = false; 16665 String packageName = null; 16666 try { 16667 final PackageLite pkg = PackageParser.parsePackageLite(file, 16668 PackageParser.PARSE_MUST_BE_APK); 16669 packageName = pkg.packageName; 16670 16671 synchronized (mPackages) { 16672 final PackageSetting ps = mSettings.mPackages.get(packageName); 16673 if (ps == null) { 16674 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 16675 + volumeUuid + " because we found no install record"); 16676 destroyApp = true; 16677 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16678 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 16679 + volumeUuid + " because we expected it on " + ps.volumeUuid); 16680 destroyApp = true; 16681 } 16682 } 16683 16684 } catch (PackageParserException e) { 16685 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 16686 destroyApp = true; 16687 } 16688 16689 if (destroyApp) { 16690 synchronized (mInstallLock) { 16691 if (packageName != null) { 16692 removeDataDirsLI(volumeUuid, packageName); 16693 } 16694 removeCodePathLI(file); 16695 } 16696 } 16697 } 16698 } 16699 16700 private void unfreezePackage(String packageName) { 16701 synchronized (mPackages) { 16702 final PackageSetting ps = mSettings.mPackages.get(packageName); 16703 if (ps != null) { 16704 ps.frozen = false; 16705 } 16706 } 16707 } 16708 16709 @Override 16710 public int movePackage(final String packageName, final String volumeUuid) { 16711 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16712 16713 final int moveId = mNextMoveId.getAndIncrement(); 16714 mHandler.post(new Runnable() { 16715 @Override 16716 public void run() { 16717 try { 16718 movePackageInternal(packageName, volumeUuid, moveId); 16719 } catch (PackageManagerException e) { 16720 Slog.w(TAG, "Failed to move " + packageName, e); 16721 mMoveCallbacks.notifyStatusChanged(moveId, 16722 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16723 } 16724 } 16725 }); 16726 return moveId; 16727 } 16728 16729 private void movePackageInternal(final String packageName, final String volumeUuid, 16730 final int moveId) throws PackageManagerException { 16731 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 16732 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16733 final PackageManager pm = mContext.getPackageManager(); 16734 16735 final boolean currentAsec; 16736 final String currentVolumeUuid; 16737 final File codeFile; 16738 final String installerPackageName; 16739 final String packageAbiOverride; 16740 final int appId; 16741 final String seinfo; 16742 final String label; 16743 16744 // reader 16745 synchronized (mPackages) { 16746 final PackageParser.Package pkg = mPackages.get(packageName); 16747 final PackageSetting ps = mSettings.mPackages.get(packageName); 16748 if (pkg == null || ps == null) { 16749 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 16750 } 16751 16752 if (pkg.applicationInfo.isSystemApp()) { 16753 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 16754 "Cannot move system application"); 16755 } 16756 16757 if (pkg.applicationInfo.isExternalAsec()) { 16758 currentAsec = true; 16759 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 16760 } else if (pkg.applicationInfo.isForwardLocked()) { 16761 currentAsec = true; 16762 currentVolumeUuid = "forward_locked"; 16763 } else { 16764 currentAsec = false; 16765 currentVolumeUuid = ps.volumeUuid; 16766 16767 final File probe = new File(pkg.codePath); 16768 final File probeOat = new File(probe, "oat"); 16769 if (!probe.isDirectory() || !probeOat.isDirectory()) { 16770 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16771 "Move only supported for modern cluster style installs"); 16772 } 16773 } 16774 16775 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 16776 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16777 "Package already moved to " + volumeUuid); 16778 } 16779 16780 if (ps.frozen) { 16781 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 16782 "Failed to move already frozen package"); 16783 } 16784 ps.frozen = true; 16785 16786 codeFile = new File(pkg.codePath); 16787 installerPackageName = ps.installerPackageName; 16788 packageAbiOverride = ps.cpuAbiOverrideString; 16789 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16790 seinfo = pkg.applicationInfo.seinfo; 16791 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 16792 } 16793 16794 // Now that we're guarded by frozen state, kill app during move 16795 final long token = Binder.clearCallingIdentity(); 16796 try { 16797 killApplication(packageName, appId, "move pkg"); 16798 } finally { 16799 Binder.restoreCallingIdentity(token); 16800 } 16801 16802 final Bundle extras = new Bundle(); 16803 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 16804 extras.putString(Intent.EXTRA_TITLE, label); 16805 mMoveCallbacks.notifyCreated(moveId, extras); 16806 16807 int installFlags; 16808 final boolean moveCompleteApp; 16809 final File measurePath; 16810 16811 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16812 installFlags = INSTALL_INTERNAL; 16813 moveCompleteApp = !currentAsec; 16814 measurePath = Environment.getDataAppDirectory(volumeUuid); 16815 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16816 installFlags = INSTALL_EXTERNAL; 16817 moveCompleteApp = false; 16818 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16819 } else { 16820 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16821 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16822 || !volume.isMountedWritable()) { 16823 unfreezePackage(packageName); 16824 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16825 "Move location not mounted private volume"); 16826 } 16827 16828 Preconditions.checkState(!currentAsec); 16829 16830 installFlags = INSTALL_INTERNAL; 16831 moveCompleteApp = true; 16832 measurePath = Environment.getDataAppDirectory(volumeUuid); 16833 } 16834 16835 final PackageStats stats = new PackageStats(null, -1); 16836 synchronized (mInstaller) { 16837 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16838 unfreezePackage(packageName); 16839 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16840 "Failed to measure package size"); 16841 } 16842 } 16843 16844 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16845 + stats.dataSize); 16846 16847 final long startFreeBytes = measurePath.getFreeSpace(); 16848 final long sizeBytes; 16849 if (moveCompleteApp) { 16850 sizeBytes = stats.codeSize + stats.dataSize; 16851 } else { 16852 sizeBytes = stats.codeSize; 16853 } 16854 16855 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16856 unfreezePackage(packageName); 16857 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16858 "Not enough free space to move"); 16859 } 16860 16861 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16862 16863 final CountDownLatch installedLatch = new CountDownLatch(1); 16864 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16865 @Override 16866 public void onUserActionRequired(Intent intent) throws RemoteException { 16867 throw new IllegalStateException(); 16868 } 16869 16870 @Override 16871 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16872 Bundle extras) throws RemoteException { 16873 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16874 + PackageManager.installStatusToString(returnCode, msg)); 16875 16876 installedLatch.countDown(); 16877 16878 // Regardless of success or failure of the move operation, 16879 // always unfreeze the package 16880 unfreezePackage(packageName); 16881 16882 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16883 switch (status) { 16884 case PackageInstaller.STATUS_SUCCESS: 16885 mMoveCallbacks.notifyStatusChanged(moveId, 16886 PackageManager.MOVE_SUCCEEDED); 16887 break; 16888 case PackageInstaller.STATUS_FAILURE_STORAGE: 16889 mMoveCallbacks.notifyStatusChanged(moveId, 16890 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16891 break; 16892 default: 16893 mMoveCallbacks.notifyStatusChanged(moveId, 16894 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16895 break; 16896 } 16897 } 16898 }; 16899 16900 final MoveInfo move; 16901 if (moveCompleteApp) { 16902 // Kick off a thread to report progress estimates 16903 new Thread() { 16904 @Override 16905 public void run() { 16906 while (true) { 16907 try { 16908 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16909 break; 16910 } 16911 } catch (InterruptedException ignored) { 16912 } 16913 16914 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16915 final int progress = 10 + (int) MathUtils.constrain( 16916 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16917 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16918 } 16919 } 16920 }.start(); 16921 16922 final String dataAppName = codeFile.getName(); 16923 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16924 dataAppName, appId, seinfo); 16925 } else { 16926 move = null; 16927 } 16928 16929 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16930 16931 final Message msg = mHandler.obtainMessage(INIT_COPY); 16932 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16933 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 16934 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16935 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 16936 msg.obj = params; 16937 16938 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 16939 System.identityHashCode(msg.obj)); 16940 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 16941 System.identityHashCode(msg.obj)); 16942 16943 mHandler.sendMessage(msg); 16944 } 16945 16946 @Override 16947 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16948 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16949 16950 final int realMoveId = mNextMoveId.getAndIncrement(); 16951 final Bundle extras = new Bundle(); 16952 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16953 mMoveCallbacks.notifyCreated(realMoveId, extras); 16954 16955 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16956 @Override 16957 public void onCreated(int moveId, Bundle extras) { 16958 // Ignored 16959 } 16960 16961 @Override 16962 public void onStatusChanged(int moveId, int status, long estMillis) { 16963 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16964 } 16965 }; 16966 16967 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16968 storage.setPrimaryStorageUuid(volumeUuid, callback); 16969 return realMoveId; 16970 } 16971 16972 @Override 16973 public int getMoveStatus(int moveId) { 16974 mContext.enforceCallingOrSelfPermission( 16975 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16976 return mMoveCallbacks.mLastStatus.get(moveId); 16977 } 16978 16979 @Override 16980 public void registerMoveCallback(IPackageMoveObserver callback) { 16981 mContext.enforceCallingOrSelfPermission( 16982 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16983 mMoveCallbacks.register(callback); 16984 } 16985 16986 @Override 16987 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16988 mContext.enforceCallingOrSelfPermission( 16989 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16990 mMoveCallbacks.unregister(callback); 16991 } 16992 16993 @Override 16994 public boolean setInstallLocation(int loc) { 16995 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16996 null); 16997 if (getInstallLocation() == loc) { 16998 return true; 16999 } 17000 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 17001 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 17002 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 17003 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 17004 return true; 17005 } 17006 return false; 17007 } 17008 17009 @Override 17010 public int getInstallLocation() { 17011 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 17012 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 17013 PackageHelper.APP_INSTALL_AUTO); 17014 } 17015 17016 /** Called by UserManagerService */ 17017 void cleanUpUser(UserManagerService userManager, int userHandle) { 17018 synchronized (mPackages) { 17019 mDirtyUsers.remove(userHandle); 17020 mUserNeedsBadging.delete(userHandle); 17021 mSettings.removeUserLPw(userHandle); 17022 mPendingBroadcasts.remove(userHandle); 17023 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 17024 } 17025 synchronized (mInstallLock) { 17026 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17027 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 17028 final String volumeUuid = vol.getFsUuid(); 17029 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 17030 try { 17031 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 17032 } catch (InstallerException e) { 17033 Slog.w(TAG, "Failed to remove user data", e); 17034 } 17035 } 17036 synchronized (mPackages) { 17037 removeUnusedPackagesLILPw(userManager, userHandle); 17038 } 17039 } 17040 } 17041 17042 /** 17043 * We're removing userHandle and would like to remove any downloaded packages 17044 * that are no longer in use by any other user. 17045 * @param userHandle the user being removed 17046 */ 17047 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 17048 final boolean DEBUG_CLEAN_APKS = false; 17049 int [] users = userManager.getUserIds(); 17050 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 17051 while (psit.hasNext()) { 17052 PackageSetting ps = psit.next(); 17053 if (ps.pkg == null) { 17054 continue; 17055 } 17056 final String packageName = ps.pkg.packageName; 17057 // Skip over if system app 17058 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 17059 continue; 17060 } 17061 if (DEBUG_CLEAN_APKS) { 17062 Slog.i(TAG, "Checking package " + packageName); 17063 } 17064 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 17065 if (keep) { 17066 if (DEBUG_CLEAN_APKS) { 17067 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 17068 } 17069 } else { 17070 for (int i = 0; i < users.length; i++) { 17071 if (users[i] != userHandle && ps.getInstalled(users[i])) { 17072 keep = true; 17073 if (DEBUG_CLEAN_APKS) { 17074 Slog.i(TAG, " Keeping package " + packageName + " for user " 17075 + users[i]); 17076 } 17077 break; 17078 } 17079 } 17080 } 17081 if (!keep) { 17082 if (DEBUG_CLEAN_APKS) { 17083 Slog.i(TAG, " Removing package " + packageName); 17084 } 17085 mHandler.post(new Runnable() { 17086 public void run() { 17087 deletePackageX(packageName, userHandle, 0); 17088 } //end run 17089 }); 17090 } 17091 } 17092 } 17093 17094 /** Called by UserManagerService */ 17095 void createNewUser(int userHandle) { 17096 synchronized (mInstallLock) { 17097 try { 17098 mInstaller.createUserConfig(userHandle); 17099 } catch (InstallerException e) { 17100 Slog.w(TAG, "Failed to create user config", e); 17101 } 17102 mSettings.createNewUserLI(this, mInstaller, userHandle); 17103 } 17104 synchronized (mPackages) { 17105 applyFactoryDefaultBrowserLPw(userHandle); 17106 primeDomainVerificationsLPw(userHandle); 17107 } 17108 } 17109 17110 void newUserCreated(final int userHandle) { 17111 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 17112 // If permission review for legacy apps is required, we represent 17113 // dagerous permissions for such apps as always granted runtime 17114 // permissions to keep per user flag state whether review is needed. 17115 // Hence, if a new user is added we have to propagate dangerous 17116 // permission grants for these legacy apps. 17117 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 17118 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 17119 | UPDATE_PERMISSIONS_REPLACE_ALL); 17120 } 17121 } 17122 17123 @Override 17124 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 17125 mContext.enforceCallingOrSelfPermission( 17126 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 17127 "Only package verification agents can read the verifier device identity"); 17128 17129 synchronized (mPackages) { 17130 return mSettings.getVerifierDeviceIdentityLPw(); 17131 } 17132 } 17133 17134 @Override 17135 public void setPermissionEnforced(String permission, boolean enforced) { 17136 // TODO: Now that we no longer change GID for storage, this should to away. 17137 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 17138 "setPermissionEnforced"); 17139 if (READ_EXTERNAL_STORAGE.equals(permission)) { 17140 synchronized (mPackages) { 17141 if (mSettings.mReadExternalStorageEnforced == null 17142 || mSettings.mReadExternalStorageEnforced != enforced) { 17143 mSettings.mReadExternalStorageEnforced = enforced; 17144 mSettings.writeLPr(); 17145 } 17146 } 17147 // kill any non-foreground processes so we restart them and 17148 // grant/revoke the GID. 17149 final IActivityManager am = ActivityManagerNative.getDefault(); 17150 if (am != null) { 17151 final long token = Binder.clearCallingIdentity(); 17152 try { 17153 am.killProcessesBelowForeground("setPermissionEnforcement"); 17154 } catch (RemoteException e) { 17155 } finally { 17156 Binder.restoreCallingIdentity(token); 17157 } 17158 } 17159 } else { 17160 throw new IllegalArgumentException("No selective enforcement for " + permission); 17161 } 17162 } 17163 17164 @Override 17165 @Deprecated 17166 public boolean isPermissionEnforced(String permission) { 17167 return true; 17168 } 17169 17170 @Override 17171 public boolean isStorageLow() { 17172 final long token = Binder.clearCallingIdentity(); 17173 try { 17174 final DeviceStorageMonitorInternal 17175 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 17176 if (dsm != null) { 17177 return dsm.isMemoryLow(); 17178 } else { 17179 return false; 17180 } 17181 } finally { 17182 Binder.restoreCallingIdentity(token); 17183 } 17184 } 17185 17186 @Override 17187 public IPackageInstaller getPackageInstaller() { 17188 return mInstallerService; 17189 } 17190 17191 private boolean userNeedsBadging(int userId) { 17192 int index = mUserNeedsBadging.indexOfKey(userId); 17193 if (index < 0) { 17194 final UserInfo userInfo; 17195 final long token = Binder.clearCallingIdentity(); 17196 try { 17197 userInfo = sUserManager.getUserInfo(userId); 17198 } finally { 17199 Binder.restoreCallingIdentity(token); 17200 } 17201 final boolean b; 17202 if (userInfo != null && userInfo.isManagedProfile()) { 17203 b = true; 17204 } else { 17205 b = false; 17206 } 17207 mUserNeedsBadging.put(userId, b); 17208 return b; 17209 } 17210 return mUserNeedsBadging.valueAt(index); 17211 } 17212 17213 @Override 17214 public KeySet getKeySetByAlias(String packageName, String alias) { 17215 if (packageName == null || alias == null) { 17216 return null; 17217 } 17218 synchronized(mPackages) { 17219 final PackageParser.Package pkg = mPackages.get(packageName); 17220 if (pkg == null) { 17221 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17222 throw new IllegalArgumentException("Unknown package: " + packageName); 17223 } 17224 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17225 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 17226 } 17227 } 17228 17229 @Override 17230 public KeySet getSigningKeySet(String packageName) { 17231 if (packageName == null) { 17232 return null; 17233 } 17234 synchronized(mPackages) { 17235 final PackageParser.Package pkg = mPackages.get(packageName); 17236 if (pkg == null) { 17237 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17238 throw new IllegalArgumentException("Unknown package: " + packageName); 17239 } 17240 if (pkg.applicationInfo.uid != Binder.getCallingUid() 17241 && Process.SYSTEM_UID != Binder.getCallingUid()) { 17242 throw new SecurityException("May not access signing KeySet of other apps."); 17243 } 17244 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17245 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 17246 } 17247 } 17248 17249 @Override 17250 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 17251 if (packageName == null || ks == null) { 17252 return false; 17253 } 17254 synchronized(mPackages) { 17255 final PackageParser.Package pkg = mPackages.get(packageName); 17256 if (pkg == null) { 17257 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17258 throw new IllegalArgumentException("Unknown package: " + packageName); 17259 } 17260 IBinder ksh = ks.getToken(); 17261 if (ksh instanceof KeySetHandle) { 17262 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17263 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 17264 } 17265 return false; 17266 } 17267 } 17268 17269 @Override 17270 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 17271 if (packageName == null || ks == null) { 17272 return false; 17273 } 17274 synchronized(mPackages) { 17275 final PackageParser.Package pkg = mPackages.get(packageName); 17276 if (pkg == null) { 17277 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17278 throw new IllegalArgumentException("Unknown package: " + packageName); 17279 } 17280 IBinder ksh = ks.getToken(); 17281 if (ksh instanceof KeySetHandle) { 17282 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17283 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 17284 } 17285 return false; 17286 } 17287 } 17288 17289 private void deletePackageIfUnusedLPr(final String packageName) { 17290 PackageSetting ps = mSettings.mPackages.get(packageName); 17291 if (ps == null) { 17292 return; 17293 } 17294 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 17295 // TODO Implement atomic delete if package is unused 17296 // It is currently possible that the package will be deleted even if it is installed 17297 // after this method returns. 17298 mHandler.post(new Runnable() { 17299 public void run() { 17300 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 17301 } 17302 }); 17303 } 17304 } 17305 17306 /** 17307 * Check and throw if the given before/after packages would be considered a 17308 * downgrade. 17309 */ 17310 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 17311 throws PackageManagerException { 17312 if (after.versionCode < before.mVersionCode) { 17313 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17314 "Update version code " + after.versionCode + " is older than current " 17315 + before.mVersionCode); 17316 } else if (after.versionCode == before.mVersionCode) { 17317 if (after.baseRevisionCode < before.baseRevisionCode) { 17318 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17319 "Update base revision code " + after.baseRevisionCode 17320 + " is older than current " + before.baseRevisionCode); 17321 } 17322 17323 if (!ArrayUtils.isEmpty(after.splitNames)) { 17324 for (int i = 0; i < after.splitNames.length; i++) { 17325 final String splitName = after.splitNames[i]; 17326 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 17327 if (j != -1) { 17328 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 17329 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17330 "Update split " + splitName + " revision code " 17331 + after.splitRevisionCodes[i] + " is older than current " 17332 + before.splitRevisionCodes[j]); 17333 } 17334 } 17335 } 17336 } 17337 } 17338 } 17339 17340 private static class MoveCallbacks extends Handler { 17341 private static final int MSG_CREATED = 1; 17342 private static final int MSG_STATUS_CHANGED = 2; 17343 17344 private final RemoteCallbackList<IPackageMoveObserver> 17345 mCallbacks = new RemoteCallbackList<>(); 17346 17347 private final SparseIntArray mLastStatus = new SparseIntArray(); 17348 17349 public MoveCallbacks(Looper looper) { 17350 super(looper); 17351 } 17352 17353 public void register(IPackageMoveObserver callback) { 17354 mCallbacks.register(callback); 17355 } 17356 17357 public void unregister(IPackageMoveObserver callback) { 17358 mCallbacks.unregister(callback); 17359 } 17360 17361 @Override 17362 public void handleMessage(Message msg) { 17363 final SomeArgs args = (SomeArgs) msg.obj; 17364 final int n = mCallbacks.beginBroadcast(); 17365 for (int i = 0; i < n; i++) { 17366 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 17367 try { 17368 invokeCallback(callback, msg.what, args); 17369 } catch (RemoteException ignored) { 17370 } 17371 } 17372 mCallbacks.finishBroadcast(); 17373 args.recycle(); 17374 } 17375 17376 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 17377 throws RemoteException { 17378 switch (what) { 17379 case MSG_CREATED: { 17380 callback.onCreated(args.argi1, (Bundle) args.arg2); 17381 break; 17382 } 17383 case MSG_STATUS_CHANGED: { 17384 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 17385 break; 17386 } 17387 } 17388 } 17389 17390 private void notifyCreated(int moveId, Bundle extras) { 17391 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 17392 17393 final SomeArgs args = SomeArgs.obtain(); 17394 args.argi1 = moveId; 17395 args.arg2 = extras; 17396 obtainMessage(MSG_CREATED, args).sendToTarget(); 17397 } 17398 17399 private void notifyStatusChanged(int moveId, int status) { 17400 notifyStatusChanged(moveId, status, -1); 17401 } 17402 17403 private void notifyStatusChanged(int moveId, int status, long estMillis) { 17404 Slog.v(TAG, "Move " + moveId + " status " + status); 17405 17406 final SomeArgs args = SomeArgs.obtain(); 17407 args.argi1 = moveId; 17408 args.argi2 = status; 17409 args.arg3 = estMillis; 17410 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 17411 17412 synchronized (mLastStatus) { 17413 mLastStatus.put(moveId, status); 17414 } 17415 } 17416 } 17417 17418 private final static class OnPermissionChangeListeners extends Handler { 17419 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 17420 17421 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 17422 new RemoteCallbackList<>(); 17423 17424 public OnPermissionChangeListeners(Looper looper) { 17425 super(looper); 17426 } 17427 17428 @Override 17429 public void handleMessage(Message msg) { 17430 switch (msg.what) { 17431 case MSG_ON_PERMISSIONS_CHANGED: { 17432 final int uid = msg.arg1; 17433 handleOnPermissionsChanged(uid); 17434 } break; 17435 } 17436 } 17437 17438 public void addListenerLocked(IOnPermissionsChangeListener listener) { 17439 mPermissionListeners.register(listener); 17440 17441 } 17442 17443 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 17444 mPermissionListeners.unregister(listener); 17445 } 17446 17447 public void onPermissionsChanged(int uid) { 17448 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 17449 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 17450 } 17451 } 17452 17453 private void handleOnPermissionsChanged(int uid) { 17454 final int count = mPermissionListeners.beginBroadcast(); 17455 try { 17456 for (int i = 0; i < count; i++) { 17457 IOnPermissionsChangeListener callback = mPermissionListeners 17458 .getBroadcastItem(i); 17459 try { 17460 callback.onPermissionsChanged(uid); 17461 } catch (RemoteException e) { 17462 Log.e(TAG, "Permission listener is dead", e); 17463 } 17464 } 17465 } finally { 17466 mPermissionListeners.finishBroadcast(); 17467 } 17468 } 17469 } 17470 17471 private class PackageManagerInternalImpl extends PackageManagerInternal { 17472 @Override 17473 public void setLocationPackagesProvider(PackagesProvider provider) { 17474 synchronized (mPackages) { 17475 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 17476 } 17477 } 17478 17479 @Override 17480 public void setImePackagesProvider(PackagesProvider provider) { 17481 synchronized (mPackages) { 17482 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 17483 } 17484 } 17485 17486 @Override 17487 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 17488 synchronized (mPackages) { 17489 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 17490 } 17491 } 17492 17493 @Override 17494 public void setSmsAppPackagesProvider(PackagesProvider provider) { 17495 synchronized (mPackages) { 17496 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 17497 } 17498 } 17499 17500 @Override 17501 public void setDialerAppPackagesProvider(PackagesProvider provider) { 17502 synchronized (mPackages) { 17503 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 17504 } 17505 } 17506 17507 @Override 17508 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 17509 synchronized (mPackages) { 17510 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 17511 } 17512 } 17513 17514 @Override 17515 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 17516 synchronized (mPackages) { 17517 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 17518 } 17519 } 17520 17521 @Override 17522 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 17523 synchronized (mPackages) { 17524 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 17525 packageName, userId); 17526 } 17527 } 17528 17529 @Override 17530 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 17531 synchronized (mPackages) { 17532 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 17533 packageName, userId); 17534 } 17535 } 17536 17537 @Override 17538 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 17539 synchronized (mPackages) { 17540 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 17541 packageName, userId); 17542 } 17543 } 17544 17545 @Override 17546 public void setKeepUninstalledPackages(final List<String> packageList) { 17547 Preconditions.checkNotNull(packageList); 17548 List<String> removedFromList = null; 17549 synchronized (mPackages) { 17550 if (mKeepUninstalledPackages != null) { 17551 final int packagesCount = mKeepUninstalledPackages.size(); 17552 for (int i = 0; i < packagesCount; i++) { 17553 String oldPackage = mKeepUninstalledPackages.get(i); 17554 if (packageList != null && packageList.contains(oldPackage)) { 17555 continue; 17556 } 17557 if (removedFromList == null) { 17558 removedFromList = new ArrayList<>(); 17559 } 17560 removedFromList.add(oldPackage); 17561 } 17562 } 17563 mKeepUninstalledPackages = new ArrayList<>(packageList); 17564 if (removedFromList != null) { 17565 final int removedCount = removedFromList.size(); 17566 for (int i = 0; i < removedCount; i++) { 17567 deletePackageIfUnusedLPr(removedFromList.get(i)); 17568 } 17569 } 17570 } 17571 } 17572 17573 @Override 17574 public boolean isPermissionsReviewRequired(String packageName, int userId) { 17575 synchronized (mPackages) { 17576 // If we do not support permission review, done. 17577 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 17578 return false; 17579 } 17580 17581 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 17582 if (packageSetting == null) { 17583 return false; 17584 } 17585 17586 // Permission review applies only to apps not supporting the new permission model. 17587 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 17588 return false; 17589 } 17590 17591 // Legacy apps have the permission and get user consent on launch. 17592 PermissionsState permissionsState = packageSetting.getPermissionsState(); 17593 return permissionsState.isPermissionReviewRequired(userId); 17594 } 17595 } 17596 } 17597 17598 @Override 17599 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 17600 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 17601 synchronized (mPackages) { 17602 final long identity = Binder.clearCallingIdentity(); 17603 try { 17604 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 17605 packageNames, userId); 17606 } finally { 17607 Binder.restoreCallingIdentity(identity); 17608 } 17609 } 17610 } 17611 17612 private static void enforceSystemOrPhoneCaller(String tag) { 17613 int callingUid = Binder.getCallingUid(); 17614 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 17615 throw new SecurityException( 17616 "Cannot call " + tag + " from UID " + callingUid); 17617 } 17618 } 17619} 17620