PackageManagerService.java revision 8924e8759f9a8cffb5ad538ca40a7826793aac07
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_REVOKE_ON_UPGRADE; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 33import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 34import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 35import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 36import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 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_INSUFFICIENT_STORAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 43import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 44import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 45import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 46import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 47import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 48import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 49import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 51import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 52import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 53import static android.content.pm.PackageManager.INSTALL_INTERNAL; 54import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 55import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 60import static android.content.pm.PackageManager.MATCH_ALL; 61import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 62import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 63import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 64import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 65import static android.content.pm.PackageManager.PERMISSION_DENIED; 66import static android.content.pm.PackageManager.PERMISSION_GRANTED; 67import static android.content.pm.PackageParser.isApkFile; 68import static android.os.Process.PACKAGE_INFO_GID; 69import static android.os.Process.SYSTEM_UID; 70import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 71import static android.system.OsConstants.O_CREAT; 72import static android.system.OsConstants.O_RDWR; 73import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 74import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 75import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 76import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 77import static com.android.internal.util.ArrayUtils.appendInt; 78import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 79import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 80import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 81import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 82import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 83import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 84import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 85import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 86import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 87 88import android.Manifest; 89import android.app.ActivityManager; 90import android.app.ActivityManagerNative; 91import android.app.AppGlobals; 92import android.app.IActivityManager; 93import android.app.admin.IDevicePolicyManager; 94import android.app.backup.IBackupManager; 95import android.app.usage.UsageStats; 96import android.app.usage.UsageStatsManager; 97import android.content.BroadcastReceiver; 98import android.content.ComponentName; 99import android.content.Context; 100import android.content.IIntentReceiver; 101import android.content.Intent; 102import android.content.IntentFilter; 103import android.content.IntentSender; 104import android.content.IntentSender.SendIntentException; 105import android.content.ServiceConnection; 106import android.content.pm.ActivityInfo; 107import android.content.pm.ApplicationInfo; 108import android.content.pm.AppsQueryHelper; 109import android.content.pm.FeatureInfo; 110import android.content.pm.IOnPermissionsChangeListener; 111import android.content.pm.IPackageDataObserver; 112import android.content.pm.IPackageDeleteObserver; 113import android.content.pm.IPackageDeleteObserver2; 114import android.content.pm.IPackageInstallObserver2; 115import android.content.pm.IPackageInstaller; 116import android.content.pm.IPackageManager; 117import android.content.pm.IPackageMoveObserver; 118import android.content.pm.IPackageStatsObserver; 119import android.content.pm.InstrumentationInfo; 120import android.content.pm.IntentFilterVerificationInfo; 121import android.content.pm.KeySet; 122import android.content.pm.ManifestDigest; 123import android.content.pm.PackageCleanItem; 124import android.content.pm.PackageInfo; 125import android.content.pm.PackageInfoLite; 126import android.content.pm.PackageInstaller; 127import android.content.pm.PackageManager; 128import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 129import android.content.pm.PackageManagerInternal; 130import android.content.pm.PackageParser; 131import android.content.pm.PackageParser.ActivityIntentInfo; 132import android.content.pm.PackageParser.PackageLite; 133import android.content.pm.PackageParser.PackageParserException; 134import android.content.pm.PackageStats; 135import android.content.pm.PackageUserState; 136import android.content.pm.ParceledListSlice; 137import android.content.pm.PermissionGroupInfo; 138import android.content.pm.PermissionInfo; 139import android.content.pm.ProviderInfo; 140import android.content.pm.ResolveInfo; 141import android.content.pm.ServiceInfo; 142import android.content.pm.Signature; 143import android.content.pm.UserInfo; 144import android.content.pm.VerificationParams; 145import android.content.pm.VerifierDeviceIdentity; 146import android.content.pm.VerifierInfo; 147import android.content.res.Resources; 148import android.hardware.display.DisplayManager; 149import android.net.Uri; 150import android.os.Debug; 151import android.os.Binder; 152import android.os.Build; 153import android.os.Bundle; 154import android.os.Environment; 155import android.os.Environment.UserEnvironment; 156import android.os.FileUtils; 157import android.os.Handler; 158import android.os.IBinder; 159import android.os.Looper; 160import android.os.Message; 161import android.os.Parcel; 162import android.os.ParcelFileDescriptor; 163import android.os.Process; 164import android.os.RemoteCallbackList; 165import android.os.RemoteException; 166import android.os.ResultReceiver; 167import android.os.SELinux; 168import android.os.ServiceManager; 169import android.os.SystemClock; 170import android.os.SystemProperties; 171import android.os.Trace; 172import android.os.UserHandle; 173import android.os.UserManager; 174import android.os.storage.IMountService; 175import android.os.storage.MountServiceInternal; 176import android.os.storage.StorageEventListener; 177import android.os.storage.StorageManager; 178import android.os.storage.VolumeInfo; 179import android.os.storage.VolumeRecord; 180import android.security.KeyStore; 181import android.security.SystemKeyStore; 182import android.system.ErrnoException; 183import android.system.Os; 184import android.system.StructStat; 185import android.text.TextUtils; 186import android.text.format.DateUtils; 187import android.util.ArrayMap; 188import android.util.ArraySet; 189import android.util.AtomicFile; 190import android.util.DisplayMetrics; 191import android.util.EventLog; 192import android.util.ExceptionUtils; 193import android.util.Log; 194import android.util.LogPrinter; 195import android.util.MathUtils; 196import android.util.PrintStreamPrinter; 197import android.util.Slog; 198import android.util.SparseArray; 199import android.util.SparseBooleanArray; 200import android.util.SparseIntArray; 201import android.util.Xml; 202import android.view.Display; 203 204import dalvik.system.DexFile; 205import dalvik.system.VMRuntime; 206 207import libcore.io.IoUtils; 208import libcore.util.EmptyArray; 209 210import com.android.internal.R; 211import com.android.internal.annotations.GuardedBy; 212import com.android.internal.app.EphemeralResolveInfo; 213import com.android.internal.app.IMediaContainerService; 214import com.android.internal.app.ResolverActivity; 215import com.android.internal.content.NativeLibraryHelper; 216import com.android.internal.content.PackageHelper; 217import com.android.internal.os.IParcelFileDescriptorFactory; 218import com.android.internal.os.SomeArgs; 219import com.android.internal.os.Zygote; 220import com.android.internal.util.ArrayUtils; 221import com.android.internal.util.FastPrintWriter; 222import com.android.internal.util.FastXmlSerializer; 223import com.android.internal.util.IndentingPrintWriter; 224import com.android.internal.util.Preconditions; 225import com.android.server.EventLogTags; 226import com.android.server.FgThread; 227import com.android.server.IntentResolver; 228import com.android.server.LocalServices; 229import com.android.server.ServiceThread; 230import com.android.server.SystemConfig; 231import com.android.server.Watchdog; 232import com.android.server.pm.PermissionsState.PermissionState; 233import com.android.server.pm.Settings.DatabaseVersion; 234import com.android.server.pm.Settings.VersionInfo; 235import com.android.server.storage.DeviceStorageMonitorInternal; 236 237import org.xmlpull.v1.XmlPullParser; 238import org.xmlpull.v1.XmlPullParserException; 239import org.xmlpull.v1.XmlSerializer; 240 241import java.io.BufferedInputStream; 242import java.io.BufferedOutputStream; 243import java.io.BufferedReader; 244import java.io.ByteArrayInputStream; 245import java.io.ByteArrayOutputStream; 246import java.io.File; 247import java.io.FileDescriptor; 248import java.io.FileNotFoundException; 249import java.io.FileOutputStream; 250import java.io.FileReader; 251import java.io.FilenameFilter; 252import java.io.IOException; 253import java.io.InputStream; 254import java.io.PrintWriter; 255import java.nio.charset.StandardCharsets; 256import java.security.MessageDigest; 257import java.security.NoSuchAlgorithmException; 258import java.security.PublicKey; 259import java.security.cert.CertificateEncodingException; 260import java.security.cert.CertificateException; 261import java.text.SimpleDateFormat; 262import java.util.ArrayList; 263import java.util.Arrays; 264import java.util.Collection; 265import java.util.Collections; 266import java.util.Comparator; 267import java.util.Date; 268import java.util.Iterator; 269import java.util.List; 270import java.util.Map; 271import java.util.Objects; 272import java.util.Set; 273import java.util.concurrent.CountDownLatch; 274import java.util.concurrent.TimeUnit; 275import java.util.concurrent.atomic.AtomicBoolean; 276import java.util.concurrent.atomic.AtomicInteger; 277import java.util.concurrent.atomic.AtomicLong; 278 279/** 280 * Keep track of all those .apks everywhere. 281 * 282 * This is very central to the platform's security; please run the unit 283 * tests whenever making modifications here: 284 * 285runtest -c android.content.pm.PackageManagerTests frameworks-core 286 * 287 * {@hide} 288 */ 289public class PackageManagerService extends IPackageManager.Stub { 290 static final String TAG = "PackageManager"; 291 static final boolean DEBUG_SETTINGS = false; 292 static final boolean DEBUG_PREFERRED = false; 293 static final boolean DEBUG_UPGRADE = false; 294 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 295 private static final boolean DEBUG_BACKUP = false; 296 private static final boolean DEBUG_INSTALL = false; 297 private static final boolean DEBUG_REMOVE = false; 298 private static final boolean DEBUG_BROADCASTS = false; 299 private static final boolean DEBUG_SHOW_INFO = false; 300 private static final boolean DEBUG_PACKAGE_INFO = false; 301 private static final boolean DEBUG_INTENT_MATCHING = false; 302 private static final boolean DEBUG_PACKAGE_SCANNING = false; 303 private static final boolean DEBUG_VERIFY = false; 304 private static final boolean DEBUG_DEXOPT = false; 305 private static final boolean DEBUG_ABI_SELECTION = false; 306 private static final boolean DEBUG_EPHEMERAL = false; 307 308 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 309 310 private static final int RADIO_UID = Process.PHONE_UID; 311 private static final int LOG_UID = Process.LOG_UID; 312 private static final int NFC_UID = Process.NFC_UID; 313 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 314 private static final int SHELL_UID = Process.SHELL_UID; 315 316 // Cap the size of permission trees that 3rd party apps can define 317 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 318 319 // Suffix used during package installation when copying/moving 320 // package apks to install directory. 321 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 322 323 static final int SCAN_NO_DEX = 1<<1; 324 static final int SCAN_FORCE_DEX = 1<<2; 325 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 326 static final int SCAN_NEW_INSTALL = 1<<4; 327 static final int SCAN_NO_PATHS = 1<<5; 328 static final int SCAN_UPDATE_TIME = 1<<6; 329 static final int SCAN_DEFER_DEX = 1<<7; 330 static final int SCAN_BOOTING = 1<<8; 331 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 332 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 333 static final int SCAN_REPLACING = 1<<11; 334 static final int SCAN_REQUIRE_KNOWN = 1<<12; 335 static final int SCAN_MOVE = 1<<13; 336 static final int SCAN_INITIAL = 1<<14; 337 338 static final int REMOVE_CHATTY = 1<<16; 339 340 private static final int[] EMPTY_INT_ARRAY = new int[0]; 341 342 /** 343 * Timeout (in milliseconds) after which the watchdog should declare that 344 * our handler thread is wedged. The usual default for such things is one 345 * minute but we sometimes do very lengthy I/O operations on this thread, 346 * such as installing multi-gigabyte applications, so ours needs to be longer. 347 */ 348 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 349 350 /** 351 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 352 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 353 * settings entry if available, otherwise we use the hardcoded default. If it's been 354 * more than this long since the last fstrim, we force one during the boot sequence. 355 * 356 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 357 * one gets run at the next available charging+idle time. This final mandatory 358 * no-fstrim check kicks in only of the other scheduling criteria is never met. 359 */ 360 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 361 362 /** 363 * Whether verification is enabled by default. 364 */ 365 private static final boolean DEFAULT_VERIFY_ENABLE = true; 366 367 /** 368 * The default maximum time to wait for the verification agent to return in 369 * milliseconds. 370 */ 371 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 372 373 /** 374 * The default response for package verification timeout. 375 * 376 * This can be either PackageManager.VERIFICATION_ALLOW or 377 * PackageManager.VERIFICATION_REJECT. 378 */ 379 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 380 381 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 382 383 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 384 DEFAULT_CONTAINER_PACKAGE, 385 "com.android.defcontainer.DefaultContainerService"); 386 387 private static final String KILL_APP_REASON_GIDS_CHANGED = 388 "permission grant or revoke changed gids"; 389 390 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 391 "permissions revoked"; 392 393 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 394 395 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 396 397 /** Permission grant: not grant the permission. */ 398 private static final int GRANT_DENIED = 1; 399 400 /** Permission grant: grant the permission as an install permission. */ 401 private static final int GRANT_INSTALL = 2; 402 403 /** Permission grant: grant the permission as an install permission for a legacy app. */ 404 private static final int GRANT_INSTALL_LEGACY = 3; 405 406 /** Permission grant: grant the permission as a runtime one. */ 407 private static final int GRANT_RUNTIME = 4; 408 409 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 410 private static final int GRANT_UPGRADE = 5; 411 412 /** Canonical intent used to identify what counts as a "web browser" app */ 413 private static final Intent sBrowserIntent; 414 static { 415 sBrowserIntent = new Intent(); 416 sBrowserIntent.setAction(Intent.ACTION_VIEW); 417 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 418 sBrowserIntent.setData(Uri.parse("http:")); 419 } 420 421 final ServiceThread mHandlerThread; 422 423 final PackageHandler mHandler; 424 425 /** 426 * Messages for {@link #mHandler} that need to wait for system ready before 427 * being dispatched. 428 */ 429 private ArrayList<Message> mPostSystemReadyMessages; 430 431 final int mSdkVersion = Build.VERSION.SDK_INT; 432 433 final Context mContext; 434 final boolean mFactoryTest; 435 final boolean mOnlyCore; 436 final DisplayMetrics mMetrics; 437 final int mDefParseFlags; 438 final String[] mSeparateProcesses; 439 final boolean mIsUpgrade; 440 441 // This is where all application persistent data goes. 442 final File mAppDataDir; 443 444 // This is where all application persistent data goes for secondary users. 445 final File mUserAppDataDir; 446 447 /** The location for ASEC container files on internal storage. */ 448 final String mAsecInternalPath; 449 450 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 451 // LOCK HELD. Can be called with mInstallLock held. 452 @GuardedBy("mInstallLock") 453 final Installer mInstaller; 454 455 /** Directory where installed third-party apps stored */ 456 final File mAppInstallDir; 457 458 /** 459 * Directory to which applications installed internally have their 460 * 32 bit native libraries copied. 461 */ 462 private File mAppLib32InstallDir; 463 464 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 465 // apps. 466 final File mDrmAppPrivateInstallDir; 467 468 // ---------------------------------------------------------------- 469 470 // Lock for state used when installing and doing other long running 471 // operations. Methods that must be called with this lock held have 472 // the suffix "LI". 473 final Object mInstallLock = new Object(); 474 475 // ---------------------------------------------------------------- 476 477 // Keys are String (package name), values are Package. This also serves 478 // as the lock for the global state. Methods that must be called with 479 // this lock held have the prefix "LP". 480 @GuardedBy("mPackages") 481 final ArrayMap<String, PackageParser.Package> mPackages = 482 new ArrayMap<String, PackageParser.Package>(); 483 484 // Tracks available target package names -> overlay package paths. 485 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 486 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 487 488 /** 489 * Tracks new system packages [received in an OTA] that we expect to 490 * find updated user-installed versions. Keys are package name, values 491 * are package location. 492 */ 493 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 494 495 /** 496 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 497 */ 498 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 499 /** 500 * Whether or not system app permissions should be promoted from install to runtime. 501 */ 502 boolean mPromoteSystemApps; 503 504 final Settings mSettings; 505 boolean mRestoredSettings; 506 507 // System configuration read by SystemConfig. 508 final int[] mGlobalGids; 509 final SparseArray<ArraySet<String>> mSystemPermissions; 510 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 511 512 // If mac_permissions.xml was found for seinfo labeling. 513 boolean mFoundPolicyFile; 514 515 // If a recursive restorecon of /data/data/<pkg> is needed. 516 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 517 518 public static final class SharedLibraryEntry { 519 public final String path; 520 public final String apk; 521 522 SharedLibraryEntry(String _path, String _apk) { 523 path = _path; 524 apk = _apk; 525 } 526 } 527 528 // Currently known shared libraries. 529 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 530 new ArrayMap<String, SharedLibraryEntry>(); 531 532 // All available activities, for your resolving pleasure. 533 final ActivityIntentResolver mActivities = 534 new ActivityIntentResolver(); 535 536 // All available receivers, for your resolving pleasure. 537 final ActivityIntentResolver mReceivers = 538 new ActivityIntentResolver(); 539 540 // All available services, for your resolving pleasure. 541 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 542 543 // All available providers, for your resolving pleasure. 544 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 545 546 // Mapping from provider base names (first directory in content URI codePath) 547 // to the provider information. 548 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 549 new ArrayMap<String, PackageParser.Provider>(); 550 551 // Mapping from instrumentation class names to info about them. 552 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 553 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 554 555 // Mapping from permission names to info about them. 556 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 557 new ArrayMap<String, PackageParser.PermissionGroup>(); 558 559 // Packages whose data we have transfered into another package, thus 560 // should no longer exist. 561 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 562 563 // Broadcast actions that are only available to the system. 564 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 565 566 /** List of packages waiting for verification. */ 567 final SparseArray<PackageVerificationState> mPendingVerification 568 = new SparseArray<PackageVerificationState>(); 569 570 /** Set of packages associated with each app op permission. */ 571 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 572 573 final PackageInstallerService mInstallerService; 574 575 private final PackageDexOptimizer mPackageDexOptimizer; 576 577 private AtomicInteger mNextMoveId = new AtomicInteger(); 578 private final MoveCallbacks mMoveCallbacks; 579 580 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 581 582 // Cache of users who need badging. 583 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 584 585 /** Token for keys in mPendingVerification. */ 586 private int mPendingVerificationToken = 0; 587 588 volatile boolean mSystemReady; 589 volatile boolean mSafeMode; 590 volatile boolean mHasSystemUidErrors; 591 592 ApplicationInfo mAndroidApplication; 593 final ActivityInfo mResolveActivity = new ActivityInfo(); 594 final ResolveInfo mResolveInfo = new ResolveInfo(); 595 ComponentName mResolveComponentName; 596 PackageParser.Package mPlatformPackage; 597 ComponentName mCustomResolverComponentName; 598 599 boolean mResolverReplaced = false; 600 601 private final ComponentName mIntentFilterVerifierComponent; 602 private int mIntentFilterVerificationToken = 0; 603 604 /** Component that knows whether or not an ephemeral application exists */ 605 final ComponentName mEphemeralResolverComponent; 606 /** The service connection to the ephemeral resolver */ 607 final EphemeralResolverConnection mEphemeralResolverConnection; 608 609 /** Component used to install ephemeral applications */ 610 final ComponentName mEphemeralInstallerComponent; 611 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 612 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 613 614 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 615 = new SparseArray<IntentFilterVerificationState>(); 616 617 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 618 new DefaultPermissionGrantPolicy(this); 619 620 // List of packages names to keep cached, even if they are uninstalled for all users 621 private List<String> mKeepUninstalledPackages; 622 623 private static class IFVerificationParams { 624 PackageParser.Package pkg; 625 boolean replacing; 626 int userId; 627 int verifierUid; 628 629 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 630 int _userId, int _verifierUid) { 631 pkg = _pkg; 632 replacing = _replacing; 633 userId = _userId; 634 replacing = _replacing; 635 verifierUid = _verifierUid; 636 } 637 } 638 639 private interface IntentFilterVerifier<T extends IntentFilter> { 640 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 641 T filter, String packageName); 642 void startVerifications(int userId); 643 void receiveVerificationResponse(int verificationId); 644 } 645 646 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 647 private Context mContext; 648 private ComponentName mIntentFilterVerifierComponent; 649 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 650 651 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 652 mContext = context; 653 mIntentFilterVerifierComponent = verifierComponent; 654 } 655 656 private String getDefaultScheme() { 657 return IntentFilter.SCHEME_HTTPS; 658 } 659 660 @Override 661 public void startVerifications(int userId) { 662 // Launch verifications requests 663 int count = mCurrentIntentFilterVerifications.size(); 664 for (int n=0; n<count; n++) { 665 int verificationId = mCurrentIntentFilterVerifications.get(n); 666 final IntentFilterVerificationState ivs = 667 mIntentFilterVerificationStates.get(verificationId); 668 669 String packageName = ivs.getPackageName(); 670 671 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 672 final int filterCount = filters.size(); 673 ArraySet<String> domainsSet = new ArraySet<>(); 674 for (int m=0; m<filterCount; m++) { 675 PackageParser.ActivityIntentInfo filter = filters.get(m); 676 domainsSet.addAll(filter.getHostsList()); 677 } 678 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 679 synchronized (mPackages) { 680 if (mSettings.createIntentFilterVerificationIfNeededLPw( 681 packageName, domainsList) != null) { 682 scheduleWriteSettingsLocked(); 683 } 684 } 685 sendVerificationRequest(userId, verificationId, ivs); 686 } 687 mCurrentIntentFilterVerifications.clear(); 688 } 689 690 private void sendVerificationRequest(int userId, int verificationId, 691 IntentFilterVerificationState ivs) { 692 693 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 694 verificationIntent.putExtra( 695 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 696 verificationId); 697 verificationIntent.putExtra( 698 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 699 getDefaultScheme()); 700 verificationIntent.putExtra( 701 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 702 ivs.getHostsString()); 703 verificationIntent.putExtra( 704 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 705 ivs.getPackageName()); 706 verificationIntent.setComponent(mIntentFilterVerifierComponent); 707 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 708 709 UserHandle user = new UserHandle(userId); 710 mContext.sendBroadcastAsUser(verificationIntent, user); 711 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 712 "Sending IntentFilter verification broadcast"); 713 } 714 715 public void receiveVerificationResponse(int verificationId) { 716 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 717 718 final boolean verified = ivs.isVerified(); 719 720 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 721 final int count = filters.size(); 722 if (DEBUG_DOMAIN_VERIFICATION) { 723 Slog.i(TAG, "Received verification response " + verificationId 724 + " for " + count + " filters, verified=" + verified); 725 } 726 for (int n=0; n<count; n++) { 727 PackageParser.ActivityIntentInfo filter = filters.get(n); 728 filter.setVerified(verified); 729 730 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 731 + " verified with result:" + verified + " and hosts:" 732 + ivs.getHostsString()); 733 } 734 735 mIntentFilterVerificationStates.remove(verificationId); 736 737 final String packageName = ivs.getPackageName(); 738 IntentFilterVerificationInfo ivi = null; 739 740 synchronized (mPackages) { 741 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 742 } 743 if (ivi == null) { 744 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 745 + verificationId + " packageName:" + packageName); 746 return; 747 } 748 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 749 "Updating IntentFilterVerificationInfo for package " + packageName 750 +" verificationId:" + verificationId); 751 752 synchronized (mPackages) { 753 if (verified) { 754 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 755 } else { 756 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 757 } 758 scheduleWriteSettingsLocked(); 759 760 final int userId = ivs.getUserId(); 761 if (userId != UserHandle.USER_ALL) { 762 final int userStatus = 763 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 764 765 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 766 boolean needUpdate = false; 767 768 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 769 // already been set by the User thru the Disambiguation dialog 770 switch (userStatus) { 771 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 772 if (verified) { 773 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 774 } else { 775 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 776 } 777 needUpdate = true; 778 break; 779 780 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 781 if (verified) { 782 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 783 needUpdate = true; 784 } 785 break; 786 787 default: 788 // Nothing to do 789 } 790 791 if (needUpdate) { 792 mSettings.updateIntentFilterVerificationStatusLPw( 793 packageName, updatedStatus, userId); 794 scheduleWritePackageRestrictionsLocked(userId); 795 } 796 } 797 } 798 } 799 800 @Override 801 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 802 ActivityIntentInfo filter, String packageName) { 803 if (!hasValidDomains(filter)) { 804 return false; 805 } 806 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 807 if (ivs == null) { 808 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 809 packageName); 810 } 811 if (DEBUG_DOMAIN_VERIFICATION) { 812 Slog.d(TAG, "Adding verification filter for " + packageName + " : " + filter); 813 } 814 ivs.addFilter(filter); 815 return true; 816 } 817 818 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 819 int userId, int verificationId, String packageName) { 820 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 821 verifierUid, userId, packageName); 822 ivs.setPendingState(); 823 synchronized (mPackages) { 824 mIntentFilterVerificationStates.append(verificationId, ivs); 825 mCurrentIntentFilterVerifications.add(verificationId); 826 } 827 return ivs; 828 } 829 } 830 831 private static boolean hasValidDomains(ActivityIntentInfo filter) { 832 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 833 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 834 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 835 } 836 837 private IntentFilterVerifier mIntentFilterVerifier; 838 839 // Set of pending broadcasts for aggregating enable/disable of components. 840 static class PendingPackageBroadcasts { 841 // for each user id, a map of <package name -> components within that package> 842 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 843 844 public PendingPackageBroadcasts() { 845 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 846 } 847 848 public ArrayList<String> get(int userId, String packageName) { 849 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 850 return packages.get(packageName); 851 } 852 853 public void put(int userId, String packageName, ArrayList<String> components) { 854 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 855 packages.put(packageName, components); 856 } 857 858 public void remove(int userId, String packageName) { 859 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 860 if (packages != null) { 861 packages.remove(packageName); 862 } 863 } 864 865 public void remove(int userId) { 866 mUidMap.remove(userId); 867 } 868 869 public int userIdCount() { 870 return mUidMap.size(); 871 } 872 873 public int userIdAt(int n) { 874 return mUidMap.keyAt(n); 875 } 876 877 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 878 return mUidMap.get(userId); 879 } 880 881 public int size() { 882 // total number of pending broadcast entries across all userIds 883 int num = 0; 884 for (int i = 0; i< mUidMap.size(); i++) { 885 num += mUidMap.valueAt(i).size(); 886 } 887 return num; 888 } 889 890 public void clear() { 891 mUidMap.clear(); 892 } 893 894 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 895 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 896 if (map == null) { 897 map = new ArrayMap<String, ArrayList<String>>(); 898 mUidMap.put(userId, map); 899 } 900 return map; 901 } 902 } 903 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 904 905 // Service Connection to remote media container service to copy 906 // package uri's from external media onto secure containers 907 // or internal storage. 908 private IMediaContainerService mContainerService = null; 909 910 static final int SEND_PENDING_BROADCAST = 1; 911 static final int MCS_BOUND = 3; 912 static final int END_COPY = 4; 913 static final int INIT_COPY = 5; 914 static final int MCS_UNBIND = 6; 915 static final int START_CLEANING_PACKAGE = 7; 916 static final int FIND_INSTALL_LOC = 8; 917 static final int POST_INSTALL = 9; 918 static final int MCS_RECONNECT = 10; 919 static final int MCS_GIVE_UP = 11; 920 static final int UPDATED_MEDIA_STATUS = 12; 921 static final int WRITE_SETTINGS = 13; 922 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 923 static final int PACKAGE_VERIFIED = 15; 924 static final int CHECK_PENDING_VERIFICATION = 16; 925 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 926 static final int INTENT_FILTER_VERIFIED = 18; 927 928 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 929 930 // Delay time in millisecs 931 static final int BROADCAST_DELAY = 10 * 1000; 932 933 static UserManagerService sUserManager; 934 935 // Stores a list of users whose package restrictions file needs to be updated 936 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 937 938 final private DefaultContainerConnection mDefContainerConn = 939 new DefaultContainerConnection(); 940 class DefaultContainerConnection implements ServiceConnection { 941 public void onServiceConnected(ComponentName name, IBinder service) { 942 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 943 IMediaContainerService imcs = 944 IMediaContainerService.Stub.asInterface(service); 945 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 946 } 947 948 public void onServiceDisconnected(ComponentName name) { 949 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 950 } 951 } 952 953 // Recordkeeping of restore-after-install operations that are currently in flight 954 // between the Package Manager and the Backup Manager 955 class PostInstallData { 956 public InstallArgs args; 957 public PackageInstalledInfo res; 958 959 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 960 args = _a; 961 res = _r; 962 } 963 } 964 965 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 966 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 967 968 // XML tags for backup/restore of various bits of state 969 private static final String TAG_PREFERRED_BACKUP = "pa"; 970 private static final String TAG_DEFAULT_APPS = "da"; 971 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 972 973 final String mRequiredVerifierPackage; 974 final String mRequiredInstallerPackage; 975 976 private final PackageUsage mPackageUsage = new PackageUsage(); 977 978 private class PackageUsage { 979 private static final int WRITE_INTERVAL 980 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 981 982 private final Object mFileLock = new Object(); 983 private final AtomicLong mLastWritten = new AtomicLong(0); 984 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 985 986 private boolean mIsHistoricalPackageUsageAvailable = true; 987 988 boolean isHistoricalPackageUsageAvailable() { 989 return mIsHistoricalPackageUsageAvailable; 990 } 991 992 void write(boolean force) { 993 if (force) { 994 writeInternal(); 995 return; 996 } 997 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 998 && !DEBUG_DEXOPT) { 999 return; 1000 } 1001 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1002 new Thread("PackageUsage_DiskWriter") { 1003 @Override 1004 public void run() { 1005 try { 1006 writeInternal(); 1007 } finally { 1008 mBackgroundWriteRunning.set(false); 1009 } 1010 } 1011 }.start(); 1012 } 1013 } 1014 1015 private void writeInternal() { 1016 synchronized (mPackages) { 1017 synchronized (mFileLock) { 1018 AtomicFile file = getFile(); 1019 FileOutputStream f = null; 1020 try { 1021 f = file.startWrite(); 1022 BufferedOutputStream out = new BufferedOutputStream(f); 1023 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1024 StringBuilder sb = new StringBuilder(); 1025 for (PackageParser.Package pkg : mPackages.values()) { 1026 if (pkg.mLastPackageUsageTimeInMills == 0) { 1027 continue; 1028 } 1029 sb.setLength(0); 1030 sb.append(pkg.packageName); 1031 sb.append(' '); 1032 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1033 sb.append('\n'); 1034 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1035 } 1036 out.flush(); 1037 file.finishWrite(f); 1038 } catch (IOException e) { 1039 if (f != null) { 1040 file.failWrite(f); 1041 } 1042 Log.e(TAG, "Failed to write package usage times", e); 1043 } 1044 } 1045 } 1046 mLastWritten.set(SystemClock.elapsedRealtime()); 1047 } 1048 1049 void readLP() { 1050 synchronized (mFileLock) { 1051 AtomicFile file = getFile(); 1052 BufferedInputStream in = null; 1053 try { 1054 in = new BufferedInputStream(file.openRead()); 1055 StringBuffer sb = new StringBuffer(); 1056 while (true) { 1057 String packageName = readToken(in, sb, ' '); 1058 if (packageName == null) { 1059 break; 1060 } 1061 String timeInMillisString = readToken(in, sb, '\n'); 1062 if (timeInMillisString == null) { 1063 throw new IOException("Failed to find last usage time for package " 1064 + packageName); 1065 } 1066 PackageParser.Package pkg = mPackages.get(packageName); 1067 if (pkg == null) { 1068 continue; 1069 } 1070 long timeInMillis; 1071 try { 1072 timeInMillis = Long.parseLong(timeInMillisString.toString()); 1073 } catch (NumberFormatException e) { 1074 throw new IOException("Failed to parse " + timeInMillisString 1075 + " as a long.", e); 1076 } 1077 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1078 } 1079 } catch (FileNotFoundException expected) { 1080 mIsHistoricalPackageUsageAvailable = false; 1081 } catch (IOException e) { 1082 Log.w(TAG, "Failed to read package usage times", e); 1083 } finally { 1084 IoUtils.closeQuietly(in); 1085 } 1086 } 1087 mLastWritten.set(SystemClock.elapsedRealtime()); 1088 } 1089 1090 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1091 throws IOException { 1092 sb.setLength(0); 1093 while (true) { 1094 int ch = in.read(); 1095 if (ch == -1) { 1096 if (sb.length() == 0) { 1097 return null; 1098 } 1099 throw new IOException("Unexpected EOF"); 1100 } 1101 if (ch == endOfToken) { 1102 return sb.toString(); 1103 } 1104 sb.append((char)ch); 1105 } 1106 } 1107 1108 private AtomicFile getFile() { 1109 File dataDir = Environment.getDataDirectory(); 1110 File systemDir = new File(dataDir, "system"); 1111 File fname = new File(systemDir, "package-usage.list"); 1112 return new AtomicFile(fname); 1113 } 1114 } 1115 1116 class PackageHandler extends Handler { 1117 private boolean mBound = false; 1118 final ArrayList<HandlerParams> mPendingInstalls = 1119 new ArrayList<HandlerParams>(); 1120 1121 private boolean connectToService() { 1122 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1123 " DefaultContainerService"); 1124 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1125 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1126 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1127 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1128 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1129 mBound = true; 1130 return true; 1131 } 1132 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1133 return false; 1134 } 1135 1136 private void disconnectService() { 1137 mContainerService = null; 1138 mBound = false; 1139 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1140 mContext.unbindService(mDefContainerConn); 1141 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1142 } 1143 1144 PackageHandler(Looper looper) { 1145 super(looper); 1146 } 1147 1148 public void handleMessage(Message msg) { 1149 try { 1150 doHandleMessage(msg); 1151 } finally { 1152 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1153 } 1154 } 1155 1156 void doHandleMessage(Message msg) { 1157 switch (msg.what) { 1158 case INIT_COPY: { 1159 HandlerParams params = (HandlerParams) msg.obj; 1160 int idx = mPendingInstalls.size(); 1161 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1162 // If a bind was already initiated we dont really 1163 // need to do anything. The pending install 1164 // will be processed later on. 1165 if (!mBound) { 1166 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1167 System.identityHashCode(mHandler)); 1168 // If this is the only one pending we might 1169 // have to bind to the service again. 1170 if (!connectToService()) { 1171 Slog.e(TAG, "Failed to bind to media container service"); 1172 params.serviceError(); 1173 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1174 System.identityHashCode(mHandler)); 1175 if (params.traceMethod != null) { 1176 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1177 params.traceCookie); 1178 } 1179 return; 1180 } else { 1181 // Once we bind to the service, the first 1182 // pending request will be processed. 1183 mPendingInstalls.add(idx, params); 1184 } 1185 } else { 1186 mPendingInstalls.add(idx, params); 1187 // Already bound to the service. Just make 1188 // sure we trigger off processing the first request. 1189 if (idx == 0) { 1190 mHandler.sendEmptyMessage(MCS_BOUND); 1191 } 1192 } 1193 break; 1194 } 1195 case MCS_BOUND: { 1196 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1197 if (msg.obj != null) { 1198 mContainerService = (IMediaContainerService) msg.obj; 1199 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1200 System.identityHashCode(mHandler)); 1201 } 1202 if (mContainerService == null) { 1203 if (!mBound) { 1204 // Something seriously wrong since we are not bound and we are not 1205 // waiting for connection. Bail out. 1206 Slog.e(TAG, "Cannot bind to media container service"); 1207 for (HandlerParams params : mPendingInstalls) { 1208 // Indicate service bind error 1209 params.serviceError(); 1210 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1211 System.identityHashCode(params)); 1212 if (params.traceMethod != null) { 1213 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1214 params.traceMethod, params.traceCookie); 1215 } 1216 return; 1217 } 1218 mPendingInstalls.clear(); 1219 } else { 1220 Slog.w(TAG, "Waiting to connect to media container service"); 1221 } 1222 } else if (mPendingInstalls.size() > 0) { 1223 HandlerParams params = mPendingInstalls.get(0); 1224 if (params != null) { 1225 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1226 System.identityHashCode(params)); 1227 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1228 if (params.startCopy()) { 1229 // We are done... look for more work or to 1230 // go idle. 1231 if (DEBUG_SD_INSTALL) Log.i(TAG, 1232 "Checking for more work or unbind..."); 1233 // Delete pending install 1234 if (mPendingInstalls.size() > 0) { 1235 mPendingInstalls.remove(0); 1236 } 1237 if (mPendingInstalls.size() == 0) { 1238 if (mBound) { 1239 if (DEBUG_SD_INSTALL) Log.i(TAG, 1240 "Posting delayed MCS_UNBIND"); 1241 removeMessages(MCS_UNBIND); 1242 Message ubmsg = obtainMessage(MCS_UNBIND); 1243 // Unbind after a little delay, to avoid 1244 // continual thrashing. 1245 sendMessageDelayed(ubmsg, 10000); 1246 } 1247 } else { 1248 // There are more pending requests in queue. 1249 // Just post MCS_BOUND message to trigger processing 1250 // of next pending install. 1251 if (DEBUG_SD_INSTALL) Log.i(TAG, 1252 "Posting MCS_BOUND for next work"); 1253 mHandler.sendEmptyMessage(MCS_BOUND); 1254 } 1255 } 1256 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1257 } 1258 } else { 1259 // Should never happen ideally. 1260 Slog.w(TAG, "Empty queue"); 1261 } 1262 break; 1263 } 1264 case MCS_RECONNECT: { 1265 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1266 if (mPendingInstalls.size() > 0) { 1267 if (mBound) { 1268 disconnectService(); 1269 } 1270 if (!connectToService()) { 1271 Slog.e(TAG, "Failed to bind to media container service"); 1272 for (HandlerParams params : mPendingInstalls) { 1273 // Indicate service bind error 1274 params.serviceError(); 1275 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1276 System.identityHashCode(params)); 1277 } 1278 mPendingInstalls.clear(); 1279 } 1280 } 1281 break; 1282 } 1283 case MCS_UNBIND: { 1284 // If there is no actual work left, then time to unbind. 1285 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1286 1287 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1288 if (mBound) { 1289 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1290 1291 disconnectService(); 1292 } 1293 } else if (mPendingInstalls.size() > 0) { 1294 // There are more pending requests in queue. 1295 // Just post MCS_BOUND message to trigger processing 1296 // of next pending install. 1297 mHandler.sendEmptyMessage(MCS_BOUND); 1298 } 1299 1300 break; 1301 } 1302 case MCS_GIVE_UP: { 1303 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1304 HandlerParams params = mPendingInstalls.remove(0); 1305 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1306 System.identityHashCode(params)); 1307 break; 1308 } 1309 case SEND_PENDING_BROADCAST: { 1310 String packages[]; 1311 ArrayList<String> components[]; 1312 int size = 0; 1313 int uids[]; 1314 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1315 synchronized (mPackages) { 1316 if (mPendingBroadcasts == null) { 1317 return; 1318 } 1319 size = mPendingBroadcasts.size(); 1320 if (size <= 0) { 1321 // Nothing to be done. Just return 1322 return; 1323 } 1324 packages = new String[size]; 1325 components = new ArrayList[size]; 1326 uids = new int[size]; 1327 int i = 0; // filling out the above arrays 1328 1329 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1330 int packageUserId = mPendingBroadcasts.userIdAt(n); 1331 Iterator<Map.Entry<String, ArrayList<String>>> it 1332 = mPendingBroadcasts.packagesForUserId(packageUserId) 1333 .entrySet().iterator(); 1334 while (it.hasNext() && i < size) { 1335 Map.Entry<String, ArrayList<String>> ent = it.next(); 1336 packages[i] = ent.getKey(); 1337 components[i] = ent.getValue(); 1338 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1339 uids[i] = (ps != null) 1340 ? UserHandle.getUid(packageUserId, ps.appId) 1341 : -1; 1342 i++; 1343 } 1344 } 1345 size = i; 1346 mPendingBroadcasts.clear(); 1347 } 1348 // Send broadcasts 1349 for (int i = 0; i < size; i++) { 1350 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1351 } 1352 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1353 break; 1354 } 1355 case START_CLEANING_PACKAGE: { 1356 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1357 final String packageName = (String)msg.obj; 1358 final int userId = msg.arg1; 1359 final boolean andCode = msg.arg2 != 0; 1360 synchronized (mPackages) { 1361 if (userId == UserHandle.USER_ALL) { 1362 int[] users = sUserManager.getUserIds(); 1363 for (int user : users) { 1364 mSettings.addPackageToCleanLPw( 1365 new PackageCleanItem(user, packageName, andCode)); 1366 } 1367 } else { 1368 mSettings.addPackageToCleanLPw( 1369 new PackageCleanItem(userId, packageName, andCode)); 1370 } 1371 } 1372 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1373 startCleaningPackages(); 1374 } break; 1375 case POST_INSTALL: { 1376 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1377 PostInstallData data = mRunningInstalls.get(msg.arg1); 1378 mRunningInstalls.delete(msg.arg1); 1379 boolean deleteOld = false; 1380 1381 if (data != null) { 1382 InstallArgs args = data.args; 1383 PackageInstalledInfo res = data.res; 1384 1385 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1386 final String packageName = res.pkg.applicationInfo.packageName; 1387 res.removedInfo.sendBroadcast(false, true, false); 1388 Bundle extras = new Bundle(1); 1389 extras.putInt(Intent.EXTRA_UID, res.uid); 1390 1391 // Now that we successfully installed the package, grant runtime 1392 // permissions if requested before broadcasting the install. 1393 if ((args.installFlags 1394 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 1395 && res.pkg.applicationInfo.targetSdkVersion 1396 >= Build.VERSION_CODES.M) { 1397 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1398 args.installGrantPermissions); 1399 } 1400 1401 // Determine the set of users who are adding this 1402 // package for the first time vs. those who are seeing 1403 // an update. 1404 int[] firstUsers; 1405 int[] updateUsers = new int[0]; 1406 if (res.origUsers == null || res.origUsers.length == 0) { 1407 firstUsers = res.newUsers; 1408 } else { 1409 firstUsers = new int[0]; 1410 for (int i=0; i<res.newUsers.length; i++) { 1411 int user = res.newUsers[i]; 1412 boolean isNew = true; 1413 for (int j=0; j<res.origUsers.length; j++) { 1414 if (res.origUsers[j] == user) { 1415 isNew = false; 1416 break; 1417 } 1418 } 1419 if (isNew) { 1420 int[] newFirst = new int[firstUsers.length+1]; 1421 System.arraycopy(firstUsers, 0, newFirst, 0, 1422 firstUsers.length); 1423 newFirst[firstUsers.length] = user; 1424 firstUsers = newFirst; 1425 } else { 1426 int[] newUpdate = new int[updateUsers.length+1]; 1427 System.arraycopy(updateUsers, 0, newUpdate, 0, 1428 updateUsers.length); 1429 newUpdate[updateUsers.length] = user; 1430 updateUsers = newUpdate; 1431 } 1432 } 1433 } 1434 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1435 packageName, extras, 0, null, null, firstUsers); 1436 final boolean update = res.removedInfo.removedPackage != null; 1437 if (update) { 1438 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1439 } 1440 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1441 packageName, extras, 0, null, null, updateUsers); 1442 if (update) { 1443 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1444 packageName, extras, 0, null, null, updateUsers); 1445 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1446 null, null, 0, packageName, null, updateUsers); 1447 1448 // treat asec-hosted packages like removable media on upgrade 1449 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1450 if (DEBUG_INSTALL) { 1451 Slog.i(TAG, "upgrading pkg " + res.pkg 1452 + " is ASEC-hosted -> AVAILABLE"); 1453 } 1454 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1455 ArrayList<String> pkgList = new ArrayList<String>(1); 1456 pkgList.add(packageName); 1457 sendResourcesChangedBroadcast(true, true, 1458 pkgList,uidArray, null); 1459 } 1460 } 1461 if (res.removedInfo.args != null) { 1462 // Remove the replaced package's older resources safely now 1463 deleteOld = true; 1464 } 1465 1466 // If this app is a browser and it's newly-installed for some 1467 // users, clear any default-browser state in those users 1468 if (firstUsers.length > 0) { 1469 // the app's nature doesn't depend on the user, so we can just 1470 // check its browser nature in any user and generalize. 1471 if (packageIsBrowser(packageName, firstUsers[0])) { 1472 synchronized (mPackages) { 1473 for (int userId : firstUsers) { 1474 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1475 } 1476 } 1477 } 1478 } 1479 // Log current value of "unknown sources" setting 1480 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1481 getUnknownSourcesSettings()); 1482 } 1483 // Force a gc to clear up things 1484 Runtime.getRuntime().gc(); 1485 // We delete after a gc for applications on sdcard. 1486 if (deleteOld) { 1487 synchronized (mInstallLock) { 1488 res.removedInfo.args.doPostDeleteLI(true); 1489 } 1490 } 1491 if (args.observer != null) { 1492 try { 1493 Bundle extras = extrasForInstallResult(res); 1494 args.observer.onPackageInstalled(res.name, res.returnCode, 1495 res.returnMsg, extras); 1496 } catch (RemoteException e) { 1497 Slog.i(TAG, "Observer no longer exists."); 1498 } 1499 } 1500 if (args.traceMethod != null) { 1501 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1502 args.traceCookie); 1503 } 1504 return; 1505 } else { 1506 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1507 } 1508 1509 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1510 } break; 1511 case UPDATED_MEDIA_STATUS: { 1512 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1513 boolean reportStatus = msg.arg1 == 1; 1514 boolean doGc = msg.arg2 == 1; 1515 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1516 if (doGc) { 1517 // Force a gc to clear up stale containers. 1518 Runtime.getRuntime().gc(); 1519 } 1520 if (msg.obj != null) { 1521 @SuppressWarnings("unchecked") 1522 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1523 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1524 // Unload containers 1525 unloadAllContainers(args); 1526 } 1527 if (reportStatus) { 1528 try { 1529 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1530 PackageHelper.getMountService().finishMediaUpdate(); 1531 } catch (RemoteException e) { 1532 Log.e(TAG, "MountService not running?"); 1533 } 1534 } 1535 } break; 1536 case WRITE_SETTINGS: { 1537 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1538 synchronized (mPackages) { 1539 removeMessages(WRITE_SETTINGS); 1540 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1541 mSettings.writeLPr(); 1542 mDirtyUsers.clear(); 1543 } 1544 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1545 } break; 1546 case WRITE_PACKAGE_RESTRICTIONS: { 1547 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1548 synchronized (mPackages) { 1549 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1550 for (int userId : mDirtyUsers) { 1551 mSettings.writePackageRestrictionsLPr(userId); 1552 } 1553 mDirtyUsers.clear(); 1554 } 1555 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1556 } break; 1557 case CHECK_PENDING_VERIFICATION: { 1558 final int verificationId = msg.arg1; 1559 final PackageVerificationState state = mPendingVerification.get(verificationId); 1560 1561 if ((state != null) && !state.timeoutExtended()) { 1562 final InstallArgs args = state.getInstallArgs(); 1563 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1564 1565 Slog.i(TAG, "Verification timed out for " + originUri); 1566 mPendingVerification.remove(verificationId); 1567 1568 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1569 1570 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1571 Slog.i(TAG, "Continuing with installation of " + originUri); 1572 state.setVerifierResponse(Binder.getCallingUid(), 1573 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1574 broadcastPackageVerified(verificationId, originUri, 1575 PackageManager.VERIFICATION_ALLOW, 1576 state.getInstallArgs().getUser()); 1577 try { 1578 ret = args.copyApk(mContainerService, true); 1579 } catch (RemoteException e) { 1580 Slog.e(TAG, "Could not contact the ContainerService"); 1581 } 1582 } else { 1583 broadcastPackageVerified(verificationId, originUri, 1584 PackageManager.VERIFICATION_REJECT, 1585 state.getInstallArgs().getUser()); 1586 } 1587 1588 Trace.asyncTraceEnd( 1589 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1590 1591 processPendingInstall(args, ret); 1592 mHandler.sendEmptyMessage(MCS_UNBIND); 1593 } 1594 break; 1595 } 1596 case PACKAGE_VERIFIED: { 1597 final int verificationId = msg.arg1; 1598 1599 final PackageVerificationState state = mPendingVerification.get(verificationId); 1600 if (state == null) { 1601 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1602 break; 1603 } 1604 1605 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1606 1607 state.setVerifierResponse(response.callerUid, response.code); 1608 1609 if (state.isVerificationComplete()) { 1610 mPendingVerification.remove(verificationId); 1611 1612 final InstallArgs args = state.getInstallArgs(); 1613 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1614 1615 int ret; 1616 if (state.isInstallAllowed()) { 1617 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1618 broadcastPackageVerified(verificationId, originUri, 1619 response.code, state.getInstallArgs().getUser()); 1620 try { 1621 ret = args.copyApk(mContainerService, true); 1622 } catch (RemoteException e) { 1623 Slog.e(TAG, "Could not contact the ContainerService"); 1624 } 1625 } else { 1626 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1627 } 1628 1629 Trace.asyncTraceEnd( 1630 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1631 1632 processPendingInstall(args, ret); 1633 mHandler.sendEmptyMessage(MCS_UNBIND); 1634 } 1635 1636 break; 1637 } 1638 case START_INTENT_FILTER_VERIFICATIONS: { 1639 IFVerificationParams params = (IFVerificationParams) msg.obj; 1640 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1641 params.replacing, params.pkg); 1642 break; 1643 } 1644 case INTENT_FILTER_VERIFIED: { 1645 final int verificationId = msg.arg1; 1646 1647 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1648 verificationId); 1649 if (state == null) { 1650 Slog.w(TAG, "Invalid IntentFilter verification token " 1651 + verificationId + " received"); 1652 break; 1653 } 1654 1655 final int userId = state.getUserId(); 1656 1657 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1658 "Processing IntentFilter verification with token:" 1659 + verificationId + " and userId:" + userId); 1660 1661 final IntentFilterVerificationResponse response = 1662 (IntentFilterVerificationResponse) msg.obj; 1663 1664 state.setVerifierResponse(response.callerUid, response.code); 1665 1666 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1667 "IntentFilter verification with token:" + verificationId 1668 + " and userId:" + userId 1669 + " is settings verifier response with response code:" 1670 + response.code); 1671 1672 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1673 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1674 + response.getFailedDomainsString()); 1675 } 1676 1677 if (state.isVerificationComplete()) { 1678 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1679 } else { 1680 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1681 "IntentFilter verification with token:" + verificationId 1682 + " was not said to be complete"); 1683 } 1684 1685 break; 1686 } 1687 } 1688 } 1689 } 1690 1691 private StorageEventListener mStorageListener = new StorageEventListener() { 1692 @Override 1693 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1694 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1695 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1696 final String volumeUuid = vol.getFsUuid(); 1697 1698 // Clean up any users or apps that were removed or recreated 1699 // while this volume was missing 1700 reconcileUsers(volumeUuid); 1701 reconcileApps(volumeUuid); 1702 1703 // Clean up any install sessions that expired or were 1704 // cancelled while this volume was missing 1705 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1706 1707 loadPrivatePackages(vol); 1708 1709 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1710 unloadPrivatePackages(vol); 1711 } 1712 } 1713 1714 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1715 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1716 updateExternalMediaStatus(true, false); 1717 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1718 updateExternalMediaStatus(false, false); 1719 } 1720 } 1721 } 1722 1723 @Override 1724 public void onVolumeForgotten(String fsUuid) { 1725 if (TextUtils.isEmpty(fsUuid)) { 1726 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1727 return; 1728 } 1729 1730 // Remove any apps installed on the forgotten volume 1731 synchronized (mPackages) { 1732 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1733 for (PackageSetting ps : packages) { 1734 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1735 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1736 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1737 } 1738 1739 mSettings.onVolumeForgotten(fsUuid); 1740 mSettings.writeLPr(); 1741 } 1742 } 1743 }; 1744 1745 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1746 String[] grantedPermissions) { 1747 if (userId >= UserHandle.USER_SYSTEM) { 1748 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1749 } else if (userId == UserHandle.USER_ALL) { 1750 final int[] userIds; 1751 synchronized (mPackages) { 1752 userIds = UserManagerService.getInstance().getUserIds(); 1753 } 1754 for (int someUserId : userIds) { 1755 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1756 } 1757 } 1758 1759 // We could have touched GID membership, so flush out packages.list 1760 synchronized (mPackages) { 1761 mSettings.writePackageListLPr(); 1762 } 1763 } 1764 1765 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1766 String[] grantedPermissions) { 1767 SettingBase sb = (SettingBase) pkg.mExtras; 1768 if (sb == null) { 1769 return; 1770 } 1771 1772 PermissionsState permissionsState = sb.getPermissionsState(); 1773 1774 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1775 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1776 1777 synchronized (mPackages) { 1778 for (String permission : pkg.requestedPermissions) { 1779 BasePermission bp = mSettings.mPermissions.get(permission); 1780 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1781 && (grantedPermissions == null 1782 || ArrayUtils.contains(grantedPermissions, permission))) { 1783 final int flags = permissionsState.getPermissionFlags(permission, userId); 1784 // Installer cannot change immutable permissions. 1785 if ((flags & immutableFlags) == 0) { 1786 grantRuntimePermission(pkg.packageName, permission, userId); 1787 } 1788 } 1789 } 1790 } 1791 } 1792 1793 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1794 Bundle extras = null; 1795 switch (res.returnCode) { 1796 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1797 extras = new Bundle(); 1798 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1799 res.origPermission); 1800 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1801 res.origPackage); 1802 break; 1803 } 1804 case PackageManager.INSTALL_SUCCEEDED: { 1805 extras = new Bundle(); 1806 extras.putBoolean(Intent.EXTRA_REPLACING, 1807 res.removedInfo != null && res.removedInfo.removedPackage != null); 1808 break; 1809 } 1810 } 1811 return extras; 1812 } 1813 1814 void scheduleWriteSettingsLocked() { 1815 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1816 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1817 } 1818 } 1819 1820 void scheduleWritePackageRestrictionsLocked(int userId) { 1821 if (!sUserManager.exists(userId)) return; 1822 mDirtyUsers.add(userId); 1823 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1824 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1825 } 1826 } 1827 1828 public static PackageManagerService main(Context context, Installer installer, 1829 boolean factoryTest, boolean onlyCore) { 1830 PackageManagerService m = new PackageManagerService(context, installer, 1831 factoryTest, onlyCore); 1832 m.enableSystemUserApps(); 1833 ServiceManager.addService("package", m); 1834 return m; 1835 } 1836 1837 private void enableSystemUserApps() { 1838 if (!UserManager.isSplitSystemUser()) { 1839 return; 1840 } 1841 // For system user, enable apps based on the following conditions: 1842 // - app is whitelisted or belong to one of these groups: 1843 // -- system app which has no launcher icons 1844 // -- system app which has INTERACT_ACROSS_USERS permission 1845 // -- system IME app 1846 // - app is not in the blacklist 1847 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1848 Set<String> enableApps = new ArraySet<>(); 1849 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1850 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1851 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1852 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1853 enableApps.addAll(wlApps); 1854 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1855 enableApps.removeAll(blApps); 1856 1857 List<String> systemApps = queryHelper.queryApps(0, /* systemAppsOnly */ true, 1858 UserHandle.SYSTEM); 1859 final int systemAppsSize = systemApps.size(); 1860 synchronized (mPackages) { 1861 for (int i = 0; i < systemAppsSize; i++) { 1862 String pName = systemApps.get(i); 1863 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1864 // Should not happen, but we shouldn't be failing if it does 1865 if (pkgSetting == null) { 1866 continue; 1867 } 1868 boolean installed = enableApps.contains(pName); 1869 pkgSetting.setInstalled(installed, UserHandle.USER_SYSTEM); 1870 } 1871 } 1872 } 1873 1874 static String[] splitString(String str, char sep) { 1875 int count = 1; 1876 int i = 0; 1877 while ((i=str.indexOf(sep, i)) >= 0) { 1878 count++; 1879 i++; 1880 } 1881 1882 String[] res = new String[count]; 1883 i=0; 1884 count = 0; 1885 int lastI=0; 1886 while ((i=str.indexOf(sep, i)) >= 0) { 1887 res[count] = str.substring(lastI, i); 1888 count++; 1889 i++; 1890 lastI = i; 1891 } 1892 res[count] = str.substring(lastI, str.length()); 1893 return res; 1894 } 1895 1896 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1897 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1898 Context.DISPLAY_SERVICE); 1899 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1900 } 1901 1902 public PackageManagerService(Context context, Installer installer, 1903 boolean factoryTest, boolean onlyCore) { 1904 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1905 SystemClock.uptimeMillis()); 1906 1907 if (mSdkVersion <= 0) { 1908 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1909 } 1910 1911 mContext = context; 1912 mFactoryTest = factoryTest; 1913 mOnlyCore = onlyCore; 1914 mMetrics = new DisplayMetrics(); 1915 mSettings = new Settings(mPackages); 1916 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1917 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1918 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1919 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1920 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1921 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1922 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1923 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1924 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1925 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1926 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1927 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1928 1929 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1930 if (separateProcesses != null && separateProcesses.length() > 0) { 1931 if ("*".equals(separateProcesses)) { 1932 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1933 mSeparateProcesses = null; 1934 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1935 } else { 1936 mDefParseFlags = 0; 1937 mSeparateProcesses = separateProcesses.split(","); 1938 Slog.w(TAG, "Running with debug.separate_processes: " 1939 + separateProcesses); 1940 } 1941 } else { 1942 mDefParseFlags = 0; 1943 mSeparateProcesses = null; 1944 } 1945 1946 mInstaller = installer; 1947 mPackageDexOptimizer = new PackageDexOptimizer(this); 1948 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1949 1950 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1951 FgThread.get().getLooper()); 1952 1953 getDefaultDisplayMetrics(context, mMetrics); 1954 1955 SystemConfig systemConfig = SystemConfig.getInstance(); 1956 mGlobalGids = systemConfig.getGlobalGids(); 1957 mSystemPermissions = systemConfig.getSystemPermissions(); 1958 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1959 1960 synchronized (mInstallLock) { 1961 // writer 1962 synchronized (mPackages) { 1963 mHandlerThread = new ServiceThread(TAG, 1964 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1965 mHandlerThread.start(); 1966 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1967 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1968 1969 File dataDir = Environment.getDataDirectory(); 1970 mAppDataDir = new File(dataDir, "data"); 1971 mAppInstallDir = new File(dataDir, "app"); 1972 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1973 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1974 mUserAppDataDir = new File(dataDir, "user"); 1975 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1976 1977 sUserManager = new UserManagerService(context, this, mPackages); 1978 1979 // Propagate permission configuration in to package manager. 1980 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1981 = systemConfig.getPermissions(); 1982 for (int i=0; i<permConfig.size(); i++) { 1983 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1984 BasePermission bp = mSettings.mPermissions.get(perm.name); 1985 if (bp == null) { 1986 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1987 mSettings.mPermissions.put(perm.name, bp); 1988 } 1989 if (perm.gids != null) { 1990 bp.setGids(perm.gids, perm.perUser); 1991 } 1992 } 1993 1994 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1995 for (int i=0; i<libConfig.size(); i++) { 1996 mSharedLibraries.put(libConfig.keyAt(i), 1997 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1998 } 1999 2000 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2001 2002 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2003 2004 String customResolverActivity = Resources.getSystem().getString( 2005 R.string.config_customResolverActivity); 2006 if (TextUtils.isEmpty(customResolverActivity)) { 2007 customResolverActivity = null; 2008 } else { 2009 mCustomResolverComponentName = ComponentName.unflattenFromString( 2010 customResolverActivity); 2011 } 2012 2013 long startTime = SystemClock.uptimeMillis(); 2014 2015 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2016 startTime); 2017 2018 // Set flag to monitor and not change apk file paths when 2019 // scanning install directories. 2020 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2021 2022 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2023 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2024 2025 if (bootClassPath == null) { 2026 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2027 } 2028 2029 if (systemServerClassPath == null) { 2030 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2031 } 2032 2033 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2034 final String[] dexCodeInstructionSets = 2035 getDexCodeInstructionSets( 2036 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2037 2038 /** 2039 * Ensure all external libraries have had dexopt run on them. 2040 */ 2041 if (mSharedLibraries.size() > 0) { 2042 // NOTE: For now, we're compiling these system "shared libraries" 2043 // (and framework jars) into all available architectures. It's possible 2044 // to compile them only when we come across an app that uses them (there's 2045 // already logic for that in scanPackageLI) but that adds some complexity. 2046 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2047 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2048 final String lib = libEntry.path; 2049 if (lib == null) { 2050 continue; 2051 } 2052 2053 try { 2054 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2055 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2056 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2057 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/); 2058 } 2059 } catch (FileNotFoundException e) { 2060 Slog.w(TAG, "Library not found: " + lib); 2061 } catch (IOException e) { 2062 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2063 + e.getMessage()); 2064 } 2065 } 2066 } 2067 } 2068 2069 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2070 2071 final VersionInfo ver = mSettings.getInternalVersion(); 2072 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2073 // when upgrading from pre-M, promote system app permissions from install to runtime 2074 mPromoteSystemApps = 2075 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2076 2077 // save off the names of pre-existing system packages prior to scanning; we don't 2078 // want to automatically grant runtime permissions for new system apps 2079 if (mPromoteSystemApps) { 2080 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2081 while (pkgSettingIter.hasNext()) { 2082 PackageSetting ps = pkgSettingIter.next(); 2083 if (isSystemApp(ps)) { 2084 mExistingSystemPackages.add(ps.name); 2085 } 2086 } 2087 } 2088 2089 // Collect vendor overlay packages. 2090 // (Do this before scanning any apps.) 2091 // For security and version matching reason, only consider 2092 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2093 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2094 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2095 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2096 2097 // Find base frameworks (resource packages without code). 2098 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2099 | PackageParser.PARSE_IS_SYSTEM_DIR 2100 | PackageParser.PARSE_IS_PRIVILEGED, 2101 scanFlags | SCAN_NO_DEX, 0); 2102 2103 // Collected privileged system packages. 2104 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2105 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2106 | PackageParser.PARSE_IS_SYSTEM_DIR 2107 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2108 2109 // Collect ordinary system packages. 2110 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2111 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2112 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2113 2114 // Collect all vendor packages. 2115 File vendorAppDir = new File("/vendor/app"); 2116 try { 2117 vendorAppDir = vendorAppDir.getCanonicalFile(); 2118 } catch (IOException e) { 2119 // failed to look up canonical path, continue with original one 2120 } 2121 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2122 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2123 2124 // Collect all OEM packages. 2125 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2126 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2127 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2128 2129 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2130 mInstaller.moveFiles(); 2131 2132 // Prune any system packages that no longer exist. 2133 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2134 if (!mOnlyCore) { 2135 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2136 while (psit.hasNext()) { 2137 PackageSetting ps = psit.next(); 2138 2139 /* 2140 * If this is not a system app, it can't be a 2141 * disable system app. 2142 */ 2143 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2144 continue; 2145 } 2146 2147 /* 2148 * If the package is scanned, it's not erased. 2149 */ 2150 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2151 if (scannedPkg != null) { 2152 /* 2153 * If the system app is both scanned and in the 2154 * disabled packages list, then it must have been 2155 * added via OTA. Remove it from the currently 2156 * scanned package so the previously user-installed 2157 * application can be scanned. 2158 */ 2159 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2160 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2161 + ps.name + "; removing system app. Last known codePath=" 2162 + ps.codePathString + ", installStatus=" + ps.installStatus 2163 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2164 + scannedPkg.mVersionCode); 2165 removePackageLI(ps, true); 2166 mExpectingBetter.put(ps.name, ps.codePath); 2167 } 2168 2169 continue; 2170 } 2171 2172 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2173 psit.remove(); 2174 logCriticalInfo(Log.WARN, "System package " + ps.name 2175 + " no longer exists; wiping its data"); 2176 removeDataDirsLI(null, ps.name); 2177 } else { 2178 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2179 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2180 possiblyDeletedUpdatedSystemApps.add(ps.name); 2181 } 2182 } 2183 } 2184 } 2185 2186 //look for any incomplete package installations 2187 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2188 //clean up list 2189 for(int i = 0; i < deletePkgsList.size(); i++) { 2190 //clean up here 2191 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2192 } 2193 //delete tmp files 2194 deleteTempPackageFiles(); 2195 2196 // Remove any shared userIDs that have no associated packages 2197 mSettings.pruneSharedUsersLPw(); 2198 2199 if (!mOnlyCore) { 2200 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2201 SystemClock.uptimeMillis()); 2202 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2203 2204 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2205 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2206 2207 /** 2208 * Remove disable package settings for any updated system 2209 * apps that were removed via an OTA. If they're not a 2210 * previously-updated app, remove them completely. 2211 * Otherwise, just revoke their system-level permissions. 2212 */ 2213 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2214 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2215 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2216 2217 String msg; 2218 if (deletedPkg == null) { 2219 msg = "Updated system package " + deletedAppName 2220 + " no longer exists; wiping its data"; 2221 removeDataDirsLI(null, deletedAppName); 2222 } else { 2223 msg = "Updated system app + " + deletedAppName 2224 + " no longer present; removing system privileges for " 2225 + deletedAppName; 2226 2227 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2228 2229 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2230 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2231 } 2232 logCriticalInfo(Log.WARN, msg); 2233 } 2234 2235 /** 2236 * Make sure all system apps that we expected to appear on 2237 * the userdata partition actually showed up. If they never 2238 * appeared, crawl back and revive the system version. 2239 */ 2240 for (int i = 0; i < mExpectingBetter.size(); i++) { 2241 final String packageName = mExpectingBetter.keyAt(i); 2242 if (!mPackages.containsKey(packageName)) { 2243 final File scanFile = mExpectingBetter.valueAt(i); 2244 2245 logCriticalInfo(Log.WARN, "Expected better " + packageName 2246 + " but never showed up; reverting to system"); 2247 2248 final int reparseFlags; 2249 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2250 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2251 | PackageParser.PARSE_IS_SYSTEM_DIR 2252 | PackageParser.PARSE_IS_PRIVILEGED; 2253 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2254 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2255 | PackageParser.PARSE_IS_SYSTEM_DIR; 2256 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2257 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2258 | PackageParser.PARSE_IS_SYSTEM_DIR; 2259 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2260 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2261 | PackageParser.PARSE_IS_SYSTEM_DIR; 2262 } else { 2263 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2264 continue; 2265 } 2266 2267 mSettings.enableSystemPackageLPw(packageName); 2268 2269 try { 2270 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2271 } catch (PackageManagerException e) { 2272 Slog.e(TAG, "Failed to parse original system package: " 2273 + e.getMessage()); 2274 } 2275 } 2276 } 2277 } 2278 mExpectingBetter.clear(); 2279 2280 // Now that we know all of the shared libraries, update all clients to have 2281 // the correct library paths. 2282 updateAllSharedLibrariesLPw(); 2283 2284 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2285 // NOTE: We ignore potential failures here during a system scan (like 2286 // the rest of the commands above) because there's precious little we 2287 // can do about it. A settings error is reported, though. 2288 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2289 false /* boot complete */); 2290 } 2291 2292 // Now that we know all the packages we are keeping, 2293 // read and update their last usage times. 2294 mPackageUsage.readLP(); 2295 2296 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2297 SystemClock.uptimeMillis()); 2298 Slog.i(TAG, "Time to scan packages: " 2299 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2300 + " seconds"); 2301 2302 // If the platform SDK has changed since the last time we booted, 2303 // we need to re-grant app permission to catch any new ones that 2304 // appear. This is really a hack, and means that apps can in some 2305 // cases get permissions that the user didn't initially explicitly 2306 // allow... it would be nice to have some better way to handle 2307 // this situation. 2308 int updateFlags = UPDATE_PERMISSIONS_ALL; 2309 if (ver.sdkVersion != mSdkVersion) { 2310 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2311 + mSdkVersion + "; regranting permissions for internal storage"); 2312 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2313 } 2314 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2315 ver.sdkVersion = mSdkVersion; 2316 2317 // If this is the first boot or an update from pre-M, and it is a normal 2318 // boot, then we need to initialize the default preferred apps across 2319 // all defined users. 2320 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2321 for (UserInfo user : sUserManager.getUsers(true)) { 2322 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2323 applyFactoryDefaultBrowserLPw(user.id); 2324 primeDomainVerificationsLPw(user.id); 2325 } 2326 } 2327 2328 // If this is first boot after an OTA, and a normal boot, then 2329 // we need to clear code cache directories. 2330 if (mIsUpgrade && !onlyCore) { 2331 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2332 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2333 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2334 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2335 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2336 } 2337 } 2338 ver.fingerprint = Build.FINGERPRINT; 2339 } 2340 2341 checkDefaultBrowser(); 2342 2343 // clear only after permissions and other defaults have been updated 2344 mExistingSystemPackages.clear(); 2345 mPromoteSystemApps = false; 2346 2347 // All the changes are done during package scanning. 2348 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2349 2350 // can downgrade to reader 2351 mSettings.writeLPr(); 2352 2353 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2354 SystemClock.uptimeMillis()); 2355 2356 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2357 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2358 2359 mInstallerService = new PackageInstallerService(context, this); 2360 2361 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2362 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2363 mIntentFilterVerifierComponent); 2364 2365 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2366 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2367 // both the installer and resolver must be present to enable ephemeral 2368 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2369 if (DEBUG_EPHEMERAL) { 2370 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2371 + " installer:" + ephemeralInstallerComponent); 2372 } 2373 mEphemeralResolverComponent = ephemeralResolverComponent; 2374 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2375 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2376 mEphemeralResolverConnection = 2377 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2378 } else { 2379 if (DEBUG_EPHEMERAL) { 2380 final String missingComponent = 2381 (ephemeralResolverComponent == null) 2382 ? (ephemeralInstallerComponent == null) 2383 ? "resolver and installer" 2384 : "resolver" 2385 : "installer"; 2386 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2387 } 2388 mEphemeralResolverComponent = null; 2389 mEphemeralInstallerComponent = null; 2390 mEphemeralResolverConnection = null; 2391 } 2392 } // synchronized (mPackages) 2393 } // synchronized (mInstallLock) 2394 2395 // Now after opening every single application zip, make sure they 2396 // are all flushed. Not really needed, but keeps things nice and 2397 // tidy. 2398 Runtime.getRuntime().gc(); 2399 2400 // The initial scanning above does many calls into installd while 2401 // holding the mPackages lock, but we're mostly interested in yelling 2402 // once we have a booted system. 2403 mInstaller.setWarnIfHeld(mPackages); 2404 2405 // Expose private service for system components to use. 2406 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2407 } 2408 2409 @Override 2410 public boolean isFirstBoot() { 2411 return !mRestoredSettings; 2412 } 2413 2414 @Override 2415 public boolean isOnlyCoreApps() { 2416 return mOnlyCore; 2417 } 2418 2419 @Override 2420 public boolean isUpgrade() { 2421 return mIsUpgrade; 2422 } 2423 2424 private String getRequiredVerifierLPr() { 2425 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2426 // We only care about verifier that's installed under system user. 2427 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2428 PackageManager.GET_DISABLED_COMPONENTS, UserHandle.USER_SYSTEM); 2429 2430 String requiredVerifier = null; 2431 2432 final int N = receivers.size(); 2433 for (int i = 0; i < N; i++) { 2434 final ResolveInfo info = receivers.get(i); 2435 2436 if (info.activityInfo == null) { 2437 continue; 2438 } 2439 2440 final String packageName = info.activityInfo.packageName; 2441 2442 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2443 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2444 continue; 2445 } 2446 2447 if (requiredVerifier != null) { 2448 throw new RuntimeException("There can be only one required verifier"); 2449 } 2450 2451 requiredVerifier = packageName; 2452 } 2453 2454 return requiredVerifier; 2455 } 2456 2457 private String getRequiredInstallerLPr() { 2458 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2459 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2460 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2461 2462 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2463 PACKAGE_MIME_TYPE, 0, UserHandle.USER_SYSTEM); 2464 2465 String requiredInstaller = null; 2466 2467 final int N = installers.size(); 2468 for (int i = 0; i < N; i++) { 2469 final ResolveInfo info = installers.get(i); 2470 final String packageName = info.activityInfo.packageName; 2471 2472 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2473 continue; 2474 } 2475 2476 if (requiredInstaller != null) { 2477 throw new RuntimeException("There must be one required installer"); 2478 } 2479 2480 requiredInstaller = packageName; 2481 } 2482 2483 if (requiredInstaller == null) { 2484 throw new RuntimeException("There must be one required installer"); 2485 } 2486 2487 return requiredInstaller; 2488 } 2489 2490 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2491 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2492 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2493 PackageManager.GET_DISABLED_COMPONENTS, UserHandle.USER_SYSTEM); 2494 2495 ComponentName verifierComponentName = null; 2496 2497 int priority = -1000; 2498 final int N = receivers.size(); 2499 for (int i = 0; i < N; i++) { 2500 final ResolveInfo info = receivers.get(i); 2501 2502 if (info.activityInfo == null) { 2503 continue; 2504 } 2505 2506 final String packageName = info.activityInfo.packageName; 2507 2508 final PackageSetting ps = mSettings.mPackages.get(packageName); 2509 if (ps == null) { 2510 continue; 2511 } 2512 2513 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2514 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2515 continue; 2516 } 2517 2518 // Select the IntentFilterVerifier with the highest priority 2519 if (priority < info.priority) { 2520 priority = info.priority; 2521 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2522 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: " 2523 + verifierComponentName + " with priority: " + info.priority); 2524 } 2525 } 2526 2527 return verifierComponentName; 2528 } 2529 2530 private ComponentName getEphemeralResolverLPr() { 2531 final String[] packageArray = 2532 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2533 if (packageArray.length == 0) { 2534 if (DEBUG_EPHEMERAL) { 2535 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2536 } 2537 return null; 2538 } 2539 2540 Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2541 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, 2542 null /*resolvedType*/, 0 /*flags*/, UserHandle.USER_SYSTEM); 2543 2544 final int N = resolvers.size(); 2545 if (N == 0) { 2546 if (DEBUG_EPHEMERAL) { 2547 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2548 } 2549 return null; 2550 } 2551 2552 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2553 for (int i = 0; i < N; i++) { 2554 final ResolveInfo info = resolvers.get(i); 2555 2556 if (info.serviceInfo == null) { 2557 continue; 2558 } 2559 2560 final String packageName = info.serviceInfo.packageName; 2561 if (!possiblePackages.contains(packageName)) { 2562 if (DEBUG_EPHEMERAL) { 2563 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2564 + " pkg: " + packageName + ", info:" + info); 2565 } 2566 continue; 2567 } 2568 2569 if (DEBUG_EPHEMERAL) { 2570 Slog.v(TAG, "Ephemeral resolver found;" 2571 + " pkg: " + packageName + ", info:" + info); 2572 } 2573 return new ComponentName(packageName, info.serviceInfo.name); 2574 } 2575 if (DEBUG_EPHEMERAL) { 2576 Slog.v(TAG, "Ephemeral resolver NOT found"); 2577 } 2578 return null; 2579 } 2580 2581 private ComponentName getEphemeralInstallerLPr() { 2582 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2583 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2584 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2585 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2586 PACKAGE_MIME_TYPE, 0 /*flags*/, 0 /*userId*/); 2587 2588 ComponentName ephemeralInstaller = null; 2589 2590 final int N = installers.size(); 2591 for (int i = 0; i < N; i++) { 2592 final ResolveInfo info = installers.get(i); 2593 final String packageName = info.activityInfo.packageName; 2594 2595 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2596 if (DEBUG_EPHEMERAL) { 2597 Slog.d(TAG, "Ephemeral installer is not system app;" 2598 + " pkg: " + packageName + ", info:" + info); 2599 } 2600 continue; 2601 } 2602 2603 if (ephemeralInstaller != null) { 2604 throw new RuntimeException("There must only be one ephemeral installer"); 2605 } 2606 2607 ephemeralInstaller = new ComponentName(packageName, info.activityInfo.name); 2608 } 2609 2610 return ephemeralInstaller; 2611 } 2612 2613 private void primeDomainVerificationsLPw(int userId) { 2614 if (DEBUG_DOMAIN_VERIFICATION) { 2615 Slog.d(TAG, "Priming domain verifications in user " + userId); 2616 } 2617 2618 SystemConfig systemConfig = SystemConfig.getInstance(); 2619 ArraySet<String> packages = systemConfig.getLinkedApps(); 2620 ArraySet<String> domains = new ArraySet<String>(); 2621 2622 for (String packageName : packages) { 2623 PackageParser.Package pkg = mPackages.get(packageName); 2624 if (pkg != null) { 2625 if (!pkg.isSystemApp()) { 2626 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2627 continue; 2628 } 2629 2630 domains.clear(); 2631 for (PackageParser.Activity a : pkg.activities) { 2632 for (ActivityIntentInfo filter : a.intents) { 2633 if (hasValidDomains(filter)) { 2634 domains.addAll(filter.getHostsList()); 2635 } 2636 } 2637 } 2638 2639 if (domains.size() > 0) { 2640 if (DEBUG_DOMAIN_VERIFICATION) { 2641 Slog.v(TAG, " + " + packageName); 2642 } 2643 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2644 // state w.r.t. the formal app-linkage "no verification attempted" state; 2645 // and then 'always' in the per-user state actually used for intent resolution. 2646 final IntentFilterVerificationInfo ivi; 2647 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2648 new ArrayList<String>(domains)); 2649 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2650 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2651 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2652 } else { 2653 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2654 + "' does not handle web links"); 2655 } 2656 } else { 2657 Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>"); 2658 } 2659 } 2660 2661 scheduleWritePackageRestrictionsLocked(userId); 2662 scheduleWriteSettingsLocked(); 2663 } 2664 2665 private void applyFactoryDefaultBrowserLPw(int userId) { 2666 // The default browser app's package name is stored in a string resource, 2667 // with a product-specific overlay used for vendor customization. 2668 String browserPkg = mContext.getResources().getString( 2669 com.android.internal.R.string.default_browser); 2670 if (!TextUtils.isEmpty(browserPkg)) { 2671 // non-empty string => required to be a known package 2672 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2673 if (ps == null) { 2674 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2675 browserPkg = null; 2676 } else { 2677 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2678 } 2679 } 2680 2681 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2682 // default. If there's more than one, just leave everything alone. 2683 if (browserPkg == null) { 2684 calculateDefaultBrowserLPw(userId); 2685 } 2686 } 2687 2688 private void calculateDefaultBrowserLPw(int userId) { 2689 List<String> allBrowsers = resolveAllBrowserApps(userId); 2690 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2691 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2692 } 2693 2694 private List<String> resolveAllBrowserApps(int userId) { 2695 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2696 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2697 PackageManager.MATCH_ALL, userId); 2698 2699 final int count = list.size(); 2700 List<String> result = new ArrayList<String>(count); 2701 for (int i=0; i<count; i++) { 2702 ResolveInfo info = list.get(i); 2703 if (info.activityInfo == null 2704 || !info.handleAllWebDataURI 2705 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2706 || result.contains(info.activityInfo.packageName)) { 2707 continue; 2708 } 2709 result.add(info.activityInfo.packageName); 2710 } 2711 2712 return result; 2713 } 2714 2715 private boolean packageIsBrowser(String packageName, int userId) { 2716 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2717 PackageManager.MATCH_ALL, userId); 2718 final int N = list.size(); 2719 for (int i = 0; i < N; i++) { 2720 ResolveInfo info = list.get(i); 2721 if (packageName.equals(info.activityInfo.packageName)) { 2722 return true; 2723 } 2724 } 2725 return false; 2726 } 2727 2728 private void checkDefaultBrowser() { 2729 final int myUserId = UserHandle.myUserId(); 2730 final String packageName = getDefaultBrowserPackageName(myUserId); 2731 if (packageName != null) { 2732 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2733 if (info == null) { 2734 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2735 synchronized (mPackages) { 2736 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2737 } 2738 } 2739 } 2740 } 2741 2742 @Override 2743 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2744 throws RemoteException { 2745 try { 2746 return super.onTransact(code, data, reply, flags); 2747 } catch (RuntimeException e) { 2748 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2749 Slog.wtf(TAG, "Package Manager Crash", e); 2750 } 2751 throw e; 2752 } 2753 } 2754 2755 void cleanupInstallFailedPackage(PackageSetting ps) { 2756 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2757 2758 removeDataDirsLI(ps.volumeUuid, ps.name); 2759 if (ps.codePath != null) { 2760 if (ps.codePath.isDirectory()) { 2761 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2762 } else { 2763 ps.codePath.delete(); 2764 } 2765 } 2766 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2767 if (ps.resourcePath.isDirectory()) { 2768 FileUtils.deleteContents(ps.resourcePath); 2769 } 2770 ps.resourcePath.delete(); 2771 } 2772 mSettings.removePackageLPw(ps.name); 2773 } 2774 2775 static int[] appendInts(int[] cur, int[] add) { 2776 if (add == null) return cur; 2777 if (cur == null) return add; 2778 final int N = add.length; 2779 for (int i=0; i<N; i++) { 2780 cur = appendInt(cur, add[i]); 2781 } 2782 return cur; 2783 } 2784 2785 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2786 if (!sUserManager.exists(userId)) return null; 2787 final PackageSetting ps = (PackageSetting) p.mExtras; 2788 if (ps == null) { 2789 return null; 2790 } 2791 2792 final PermissionsState permissionsState = ps.getPermissionsState(); 2793 2794 final int[] gids = permissionsState.computeGids(userId); 2795 final Set<String> permissions = permissionsState.getPermissions(userId); 2796 final PackageUserState state = ps.readUserState(userId); 2797 2798 return PackageParser.generatePackageInfo(p, gids, flags, 2799 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2800 } 2801 2802 @Override 2803 public void checkPackageStartable(String packageName, int userId) { 2804 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2805 2806 synchronized (mPackages) { 2807 final PackageSetting ps = mSettings.mPackages.get(packageName); 2808 if (ps == null) { 2809 throw new SecurityException("Package " + packageName + " was not found!"); 2810 } 2811 2812 if (ps.frozen) { 2813 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2814 } 2815 2816 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2817 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2818 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2819 } 2820 } 2821 } 2822 2823 @Override 2824 public boolean isPackageAvailable(String packageName, int userId) { 2825 if (!sUserManager.exists(userId)) return false; 2826 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2827 synchronized (mPackages) { 2828 PackageParser.Package p = mPackages.get(packageName); 2829 if (p != null) { 2830 final PackageSetting ps = (PackageSetting) p.mExtras; 2831 if (ps != null) { 2832 final PackageUserState state = ps.readUserState(userId); 2833 if (state != null) { 2834 return PackageParser.isAvailable(state); 2835 } 2836 } 2837 } 2838 } 2839 return false; 2840 } 2841 2842 @Override 2843 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2844 if (!sUserManager.exists(userId)) return null; 2845 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2846 // reader 2847 synchronized (mPackages) { 2848 PackageParser.Package p = mPackages.get(packageName); 2849 if (DEBUG_PACKAGE_INFO) 2850 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2851 if (p != null) { 2852 return generatePackageInfo(p, flags, userId); 2853 } 2854 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2855 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2856 } 2857 } 2858 return null; 2859 } 2860 2861 @Override 2862 public String[] currentToCanonicalPackageNames(String[] names) { 2863 String[] out = new String[names.length]; 2864 // reader 2865 synchronized (mPackages) { 2866 for (int i=names.length-1; i>=0; i--) { 2867 PackageSetting ps = mSettings.mPackages.get(names[i]); 2868 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2869 } 2870 } 2871 return out; 2872 } 2873 2874 @Override 2875 public String[] canonicalToCurrentPackageNames(String[] names) { 2876 String[] out = new String[names.length]; 2877 // reader 2878 synchronized (mPackages) { 2879 for (int i=names.length-1; i>=0; i--) { 2880 String cur = mSettings.mRenamedPackages.get(names[i]); 2881 out[i] = cur != null ? cur : names[i]; 2882 } 2883 } 2884 return out; 2885 } 2886 2887 @Override 2888 public int getPackageUid(String packageName, int userId) { 2889 return getPackageUidEtc(packageName, 0, userId); 2890 } 2891 2892 @Override 2893 public int getPackageUidEtc(String packageName, int flags, int userId) { 2894 if (!sUserManager.exists(userId)) return -1; 2895 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2896 2897 // reader 2898 synchronized (mPackages) { 2899 final PackageParser.Package p = mPackages.get(packageName); 2900 if (p != null) { 2901 return UserHandle.getUid(userId, p.applicationInfo.uid); 2902 } 2903 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2904 final PackageSetting ps = mSettings.mPackages.get(packageName); 2905 if (ps != null) { 2906 return UserHandle.getUid(userId, ps.appId); 2907 } 2908 } 2909 } 2910 2911 return -1; 2912 } 2913 2914 @Override 2915 public int[] getPackageGids(String packageName, int userId) { 2916 return getPackageGidsEtc(packageName, 0, userId); 2917 } 2918 2919 @Override 2920 public int[] getPackageGidsEtc(String packageName, int flags, int userId) { 2921 if (!sUserManager.exists(userId)) { 2922 return null; 2923 } 2924 2925 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2926 "getPackageGids"); 2927 2928 // reader 2929 synchronized (mPackages) { 2930 final PackageParser.Package p = mPackages.get(packageName); 2931 if (p != null) { 2932 PackageSetting ps = (PackageSetting) p.mExtras; 2933 return ps.getPermissionsState().computeGids(userId); 2934 } 2935 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2936 final PackageSetting ps = mSettings.mPackages.get(packageName); 2937 if (ps != null) { 2938 return ps.getPermissionsState().computeGids(userId); 2939 } 2940 } 2941 } 2942 2943 return null; 2944 } 2945 2946 static PermissionInfo generatePermissionInfo( 2947 BasePermission bp, int flags) { 2948 if (bp.perm != null) { 2949 return PackageParser.generatePermissionInfo(bp.perm, flags); 2950 } 2951 PermissionInfo pi = new PermissionInfo(); 2952 pi.name = bp.name; 2953 pi.packageName = bp.sourcePackage; 2954 pi.nonLocalizedLabel = bp.name; 2955 pi.protectionLevel = bp.protectionLevel; 2956 return pi; 2957 } 2958 2959 @Override 2960 public PermissionInfo getPermissionInfo(String name, int flags) { 2961 // reader 2962 synchronized (mPackages) { 2963 final BasePermission p = mSettings.mPermissions.get(name); 2964 if (p != null) { 2965 return generatePermissionInfo(p, flags); 2966 } 2967 return null; 2968 } 2969 } 2970 2971 @Override 2972 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2973 // reader 2974 synchronized (mPackages) { 2975 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2976 for (BasePermission p : mSettings.mPermissions.values()) { 2977 if (group == null) { 2978 if (p.perm == null || p.perm.info.group == null) { 2979 out.add(generatePermissionInfo(p, flags)); 2980 } 2981 } else { 2982 if (p.perm != null && group.equals(p.perm.info.group)) { 2983 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2984 } 2985 } 2986 } 2987 2988 if (out.size() > 0) { 2989 return out; 2990 } 2991 return mPermissionGroups.containsKey(group) ? out : null; 2992 } 2993 } 2994 2995 @Override 2996 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2997 // reader 2998 synchronized (mPackages) { 2999 return PackageParser.generatePermissionGroupInfo( 3000 mPermissionGroups.get(name), flags); 3001 } 3002 } 3003 3004 @Override 3005 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3006 // reader 3007 synchronized (mPackages) { 3008 final int N = mPermissionGroups.size(); 3009 ArrayList<PermissionGroupInfo> out 3010 = new ArrayList<PermissionGroupInfo>(N); 3011 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3012 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3013 } 3014 return out; 3015 } 3016 } 3017 3018 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3019 int userId) { 3020 if (!sUserManager.exists(userId)) return null; 3021 PackageSetting ps = mSettings.mPackages.get(packageName); 3022 if (ps != null) { 3023 if (ps.pkg == null) { 3024 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3025 flags, userId); 3026 if (pInfo != null) { 3027 return pInfo.applicationInfo; 3028 } 3029 return null; 3030 } 3031 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3032 ps.readUserState(userId), userId); 3033 } 3034 return null; 3035 } 3036 3037 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3038 int userId) { 3039 if (!sUserManager.exists(userId)) return null; 3040 PackageSetting ps = mSettings.mPackages.get(packageName); 3041 if (ps != null) { 3042 PackageParser.Package pkg = ps.pkg; 3043 if (pkg == null) { 3044 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 3045 return null; 3046 } 3047 // Only data remains, so we aren't worried about code paths 3048 pkg = new PackageParser.Package(packageName); 3049 pkg.applicationInfo.packageName = packageName; 3050 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3051 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3052 pkg.applicationInfo.uid = ps.appId; 3053 pkg.applicationInfo.initForUser(userId); 3054 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3055 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3056 } 3057 return generatePackageInfo(pkg, flags, userId); 3058 } 3059 return null; 3060 } 3061 3062 @Override 3063 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3064 if (!sUserManager.exists(userId)) return null; 3065 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 3066 // writer 3067 synchronized (mPackages) { 3068 PackageParser.Package p = mPackages.get(packageName); 3069 if (DEBUG_PACKAGE_INFO) Log.v( 3070 TAG, "getApplicationInfo " + packageName 3071 + ": " + p); 3072 if (p != null) { 3073 PackageSetting ps = mSettings.mPackages.get(packageName); 3074 if (ps == null) return null; 3075 // Note: isEnabledLP() does not apply here - always return info 3076 return PackageParser.generateApplicationInfo( 3077 p, flags, ps.readUserState(userId), userId); 3078 } 3079 if ("android".equals(packageName)||"system".equals(packageName)) { 3080 return mAndroidApplication; 3081 } 3082 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 3083 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3084 } 3085 } 3086 return null; 3087 } 3088 3089 @Override 3090 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3091 final IPackageDataObserver observer) { 3092 mContext.enforceCallingOrSelfPermission( 3093 android.Manifest.permission.CLEAR_APP_CACHE, null); 3094 // Queue up an async operation since clearing cache may take a little while. 3095 mHandler.post(new Runnable() { 3096 public void run() { 3097 mHandler.removeCallbacks(this); 3098 int retCode = -1; 3099 synchronized (mInstallLock) { 3100 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 3101 if (retCode < 0) { 3102 Slog.w(TAG, "Couldn't clear application caches"); 3103 } 3104 } 3105 if (observer != null) { 3106 try { 3107 observer.onRemoveCompleted(null, (retCode >= 0)); 3108 } catch (RemoteException e) { 3109 Slog.w(TAG, "RemoveException when invoking call back"); 3110 } 3111 } 3112 } 3113 }); 3114 } 3115 3116 @Override 3117 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3118 final IntentSender pi) { 3119 mContext.enforceCallingOrSelfPermission( 3120 android.Manifest.permission.CLEAR_APP_CACHE, null); 3121 // Queue up an async operation since clearing cache may take a little while. 3122 mHandler.post(new Runnable() { 3123 public void run() { 3124 mHandler.removeCallbacks(this); 3125 int retCode = -1; 3126 synchronized (mInstallLock) { 3127 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 3128 if (retCode < 0) { 3129 Slog.w(TAG, "Couldn't clear application caches"); 3130 } 3131 } 3132 if(pi != null) { 3133 try { 3134 // Callback via pending intent 3135 int code = (retCode >= 0) ? 1 : 0; 3136 pi.sendIntent(null, code, null, 3137 null, null); 3138 } catch (SendIntentException e1) { 3139 Slog.i(TAG, "Failed to send pending intent"); 3140 } 3141 } 3142 } 3143 }); 3144 } 3145 3146 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3147 synchronized (mInstallLock) { 3148 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 3149 throw new IOException("Failed to free enough space"); 3150 } 3151 } 3152 } 3153 3154 /** 3155 * Return if the user key is currently unlocked. 3156 */ 3157 private boolean isUserKeyUnlocked(int userId) { 3158 if (StorageManager.isFileBasedEncryptionEnabled()) { 3159 final IMountService mount = IMountService.Stub 3160 .asInterface(ServiceManager.getService("mount")); 3161 if (mount == null) { 3162 Slog.w(TAG, "Early during boot, assuming locked"); 3163 return false; 3164 } 3165 final long token = Binder.clearCallingIdentity(); 3166 try { 3167 return mount.isUserKeyUnlocked(userId); 3168 } catch (RemoteException e) { 3169 throw e.rethrowAsRuntimeException(); 3170 } finally { 3171 Binder.restoreCallingIdentity(token); 3172 } 3173 } else { 3174 return true; 3175 } 3176 } 3177 3178 /** 3179 * Augment the given flags depending on current user running state. This is 3180 * purposefully done before acquiring {@link #mPackages} lock. 3181 */ 3182 private int augmentFlagsForUser(int flags, int userId) { 3183 if (!isUserKeyUnlocked(userId)) { 3184 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_ONLY; 3185 } 3186 return flags; 3187 } 3188 3189 @Override 3190 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3191 if (!sUserManager.exists(userId)) return null; 3192 flags = augmentFlagsForUser(flags, userId); 3193 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3194 synchronized (mPackages) { 3195 PackageParser.Activity a = mActivities.mActivities.get(component); 3196 3197 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3198 if (a != null && mSettings.isEnabledAndVisibleLPr(a.info, flags, userId)) { 3199 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3200 if (ps == null) return null; 3201 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3202 userId); 3203 } 3204 if (mResolveComponentName.equals(component)) { 3205 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3206 new PackageUserState(), userId); 3207 } 3208 } 3209 return null; 3210 } 3211 3212 @Override 3213 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3214 String resolvedType) { 3215 synchronized (mPackages) { 3216 if (component.equals(mResolveComponentName)) { 3217 // The resolver supports EVERYTHING! 3218 return true; 3219 } 3220 PackageParser.Activity a = mActivities.mActivities.get(component); 3221 if (a == null) { 3222 return false; 3223 } 3224 for (int i=0; i<a.intents.size(); i++) { 3225 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3226 intent.getData(), intent.getCategories(), TAG) >= 0) { 3227 return true; 3228 } 3229 } 3230 return false; 3231 } 3232 } 3233 3234 @Override 3235 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3236 if (!sUserManager.exists(userId)) return null; 3237 flags = augmentFlagsForUser(flags, userId); 3238 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3239 synchronized (mPackages) { 3240 PackageParser.Activity a = mReceivers.mActivities.get(component); 3241 if (DEBUG_PACKAGE_INFO) Log.v( 3242 TAG, "getReceiverInfo " + component + ": " + a); 3243 if (a != null && mSettings.isEnabledAndVisibleLPr(a.info, flags, userId)) { 3244 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3245 if (ps == null) return null; 3246 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3247 userId); 3248 } 3249 } 3250 return null; 3251 } 3252 3253 @Override 3254 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3255 if (!sUserManager.exists(userId)) return null; 3256 flags = augmentFlagsForUser(flags, userId); 3257 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3258 synchronized (mPackages) { 3259 PackageParser.Service s = mServices.mServices.get(component); 3260 if (DEBUG_PACKAGE_INFO) Log.v( 3261 TAG, "getServiceInfo " + component + ": " + s); 3262 if (s != null && mSettings.isEnabledAndVisibleLPr(s.info, flags, userId)) { 3263 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3264 if (ps == null) return null; 3265 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3266 userId); 3267 } 3268 } 3269 return null; 3270 } 3271 3272 @Override 3273 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3274 if (!sUserManager.exists(userId)) return null; 3275 flags = augmentFlagsForUser(flags, userId); 3276 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3277 synchronized (mPackages) { 3278 PackageParser.Provider p = mProviders.mProviders.get(component); 3279 if (DEBUG_PACKAGE_INFO) Log.v( 3280 TAG, "getProviderInfo " + component + ": " + p); 3281 if (p != null && mSettings.isEnabledAndVisibleLPr(p.info, flags, userId)) { 3282 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3283 if (ps == null) return null; 3284 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3285 userId); 3286 } 3287 } 3288 return null; 3289 } 3290 3291 @Override 3292 public String[] getSystemSharedLibraryNames() { 3293 Set<String> libSet; 3294 synchronized (mPackages) { 3295 libSet = mSharedLibraries.keySet(); 3296 int size = libSet.size(); 3297 if (size > 0) { 3298 String[] libs = new String[size]; 3299 libSet.toArray(libs); 3300 return libs; 3301 } 3302 } 3303 return null; 3304 } 3305 3306 /** 3307 * @hide 3308 */ 3309 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3310 synchronized (mPackages) { 3311 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3312 if (lib != null && lib.apk != null) { 3313 return mPackages.get(lib.apk); 3314 } 3315 } 3316 return null; 3317 } 3318 3319 @Override 3320 public FeatureInfo[] getSystemAvailableFeatures() { 3321 Collection<FeatureInfo> featSet; 3322 synchronized (mPackages) { 3323 featSet = mAvailableFeatures.values(); 3324 int size = featSet.size(); 3325 if (size > 0) { 3326 FeatureInfo[] features = new FeatureInfo[size+1]; 3327 featSet.toArray(features); 3328 FeatureInfo fi = new FeatureInfo(); 3329 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3330 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3331 features[size] = fi; 3332 return features; 3333 } 3334 } 3335 return null; 3336 } 3337 3338 @Override 3339 public boolean hasSystemFeature(String name) { 3340 synchronized (mPackages) { 3341 return mAvailableFeatures.containsKey(name); 3342 } 3343 } 3344 3345 private void checkValidCaller(int uid, int userId) { 3346 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 3347 return; 3348 3349 throw new SecurityException("Caller uid=" + uid 3350 + " is not privileged to communicate with user=" + userId); 3351 } 3352 3353 @Override 3354 public int checkPermission(String permName, String pkgName, int userId) { 3355 if (!sUserManager.exists(userId)) { 3356 return PackageManager.PERMISSION_DENIED; 3357 } 3358 3359 synchronized (mPackages) { 3360 final PackageParser.Package p = mPackages.get(pkgName); 3361 if (p != null && p.mExtras != null) { 3362 final PackageSetting ps = (PackageSetting) p.mExtras; 3363 final PermissionsState permissionsState = ps.getPermissionsState(); 3364 if (permissionsState.hasPermission(permName, userId)) { 3365 return PackageManager.PERMISSION_GRANTED; 3366 } 3367 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3368 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3369 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3370 return PackageManager.PERMISSION_GRANTED; 3371 } 3372 } 3373 } 3374 3375 return PackageManager.PERMISSION_DENIED; 3376 } 3377 3378 @Override 3379 public int checkUidPermission(String permName, int uid) { 3380 final int userId = UserHandle.getUserId(uid); 3381 3382 if (!sUserManager.exists(userId)) { 3383 return PackageManager.PERMISSION_DENIED; 3384 } 3385 3386 synchronized (mPackages) { 3387 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3388 if (obj != null) { 3389 final SettingBase ps = (SettingBase) obj; 3390 final PermissionsState permissionsState = ps.getPermissionsState(); 3391 if (permissionsState.hasPermission(permName, userId)) { 3392 return PackageManager.PERMISSION_GRANTED; 3393 } 3394 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3395 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3396 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3397 return PackageManager.PERMISSION_GRANTED; 3398 } 3399 } else { 3400 ArraySet<String> perms = mSystemPermissions.get(uid); 3401 if (perms != null) { 3402 if (perms.contains(permName)) { 3403 return PackageManager.PERMISSION_GRANTED; 3404 } 3405 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3406 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3407 return PackageManager.PERMISSION_GRANTED; 3408 } 3409 } 3410 } 3411 } 3412 3413 return PackageManager.PERMISSION_DENIED; 3414 } 3415 3416 @Override 3417 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3418 if (UserHandle.getCallingUserId() != userId) { 3419 mContext.enforceCallingPermission( 3420 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3421 "isPermissionRevokedByPolicy for user " + userId); 3422 } 3423 3424 if (checkPermission(permission, packageName, userId) 3425 == PackageManager.PERMISSION_GRANTED) { 3426 return false; 3427 } 3428 3429 final long identity = Binder.clearCallingIdentity(); 3430 try { 3431 final int flags = getPermissionFlags(permission, packageName, userId); 3432 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3433 } finally { 3434 Binder.restoreCallingIdentity(identity); 3435 } 3436 } 3437 3438 @Override 3439 public String getPermissionControllerPackageName() { 3440 synchronized (mPackages) { 3441 return mRequiredInstallerPackage; 3442 } 3443 } 3444 3445 /** 3446 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3447 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3448 * @param checkShell TODO(yamasani): 3449 * @param message the message to log on security exception 3450 */ 3451 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3452 boolean checkShell, String message) { 3453 if (userId < 0) { 3454 throw new IllegalArgumentException("Invalid userId " + userId); 3455 } 3456 if (checkShell) { 3457 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3458 } 3459 if (userId == UserHandle.getUserId(callingUid)) return; 3460 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3461 if (requireFullPermission) { 3462 mContext.enforceCallingOrSelfPermission( 3463 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3464 } else { 3465 try { 3466 mContext.enforceCallingOrSelfPermission( 3467 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3468 } catch (SecurityException se) { 3469 mContext.enforceCallingOrSelfPermission( 3470 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3471 } 3472 } 3473 } 3474 } 3475 3476 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3477 if (callingUid == Process.SHELL_UID) { 3478 if (userHandle >= 0 3479 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3480 throw new SecurityException("Shell does not have permission to access user " 3481 + userHandle); 3482 } else if (userHandle < 0) { 3483 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3484 + Debug.getCallers(3)); 3485 } 3486 } 3487 } 3488 3489 private BasePermission findPermissionTreeLP(String permName) { 3490 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3491 if (permName.startsWith(bp.name) && 3492 permName.length() > bp.name.length() && 3493 permName.charAt(bp.name.length()) == '.') { 3494 return bp; 3495 } 3496 } 3497 return null; 3498 } 3499 3500 private BasePermission checkPermissionTreeLP(String permName) { 3501 if (permName != null) { 3502 BasePermission bp = findPermissionTreeLP(permName); 3503 if (bp != null) { 3504 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3505 return bp; 3506 } 3507 throw new SecurityException("Calling uid " 3508 + Binder.getCallingUid() 3509 + " is not allowed to add to permission tree " 3510 + bp.name + " owned by uid " + bp.uid); 3511 } 3512 } 3513 throw new SecurityException("No permission tree found for " + permName); 3514 } 3515 3516 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3517 if (s1 == null) { 3518 return s2 == null; 3519 } 3520 if (s2 == null) { 3521 return false; 3522 } 3523 if (s1.getClass() != s2.getClass()) { 3524 return false; 3525 } 3526 return s1.equals(s2); 3527 } 3528 3529 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3530 if (pi1.icon != pi2.icon) return false; 3531 if (pi1.logo != pi2.logo) return false; 3532 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3533 if (!compareStrings(pi1.name, pi2.name)) return false; 3534 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3535 // We'll take care of setting this one. 3536 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3537 // These are not currently stored in settings. 3538 //if (!compareStrings(pi1.group, pi2.group)) return false; 3539 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3540 //if (pi1.labelRes != pi2.labelRes) return false; 3541 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3542 return true; 3543 } 3544 3545 int permissionInfoFootprint(PermissionInfo info) { 3546 int size = info.name.length(); 3547 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3548 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3549 return size; 3550 } 3551 3552 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3553 int size = 0; 3554 for (BasePermission perm : mSettings.mPermissions.values()) { 3555 if (perm.uid == tree.uid) { 3556 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3557 } 3558 } 3559 return size; 3560 } 3561 3562 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3563 // We calculate the max size of permissions defined by this uid and throw 3564 // if that plus the size of 'info' would exceed our stated maximum. 3565 if (tree.uid != Process.SYSTEM_UID) { 3566 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3567 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3568 throw new SecurityException("Permission tree size cap exceeded"); 3569 } 3570 } 3571 } 3572 3573 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3574 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3575 throw new SecurityException("Label must be specified in permission"); 3576 } 3577 BasePermission tree = checkPermissionTreeLP(info.name); 3578 BasePermission bp = mSettings.mPermissions.get(info.name); 3579 boolean added = bp == null; 3580 boolean changed = true; 3581 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3582 if (added) { 3583 enforcePermissionCapLocked(info, tree); 3584 bp = new BasePermission(info.name, tree.sourcePackage, 3585 BasePermission.TYPE_DYNAMIC); 3586 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3587 throw new SecurityException( 3588 "Not allowed to modify non-dynamic permission " 3589 + info.name); 3590 } else { 3591 if (bp.protectionLevel == fixedLevel 3592 && bp.perm.owner.equals(tree.perm.owner) 3593 && bp.uid == tree.uid 3594 && comparePermissionInfos(bp.perm.info, info)) { 3595 changed = false; 3596 } 3597 } 3598 bp.protectionLevel = fixedLevel; 3599 info = new PermissionInfo(info); 3600 info.protectionLevel = fixedLevel; 3601 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3602 bp.perm.info.packageName = tree.perm.info.packageName; 3603 bp.uid = tree.uid; 3604 if (added) { 3605 mSettings.mPermissions.put(info.name, bp); 3606 } 3607 if (changed) { 3608 if (!async) { 3609 mSettings.writeLPr(); 3610 } else { 3611 scheduleWriteSettingsLocked(); 3612 } 3613 } 3614 return added; 3615 } 3616 3617 @Override 3618 public boolean addPermission(PermissionInfo info) { 3619 synchronized (mPackages) { 3620 return addPermissionLocked(info, false); 3621 } 3622 } 3623 3624 @Override 3625 public boolean addPermissionAsync(PermissionInfo info) { 3626 synchronized (mPackages) { 3627 return addPermissionLocked(info, true); 3628 } 3629 } 3630 3631 @Override 3632 public void removePermission(String name) { 3633 synchronized (mPackages) { 3634 checkPermissionTreeLP(name); 3635 BasePermission bp = mSettings.mPermissions.get(name); 3636 if (bp != null) { 3637 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3638 throw new SecurityException( 3639 "Not allowed to modify non-dynamic permission " 3640 + name); 3641 } 3642 mSettings.mPermissions.remove(name); 3643 mSettings.writeLPr(); 3644 } 3645 } 3646 } 3647 3648 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3649 BasePermission bp) { 3650 int index = pkg.requestedPermissions.indexOf(bp.name); 3651 if (index == -1) { 3652 throw new SecurityException("Package " + pkg.packageName 3653 + " has not requested permission " + bp.name); 3654 } 3655 if (!bp.isRuntime() && !bp.isDevelopment()) { 3656 throw new SecurityException("Permission " + bp.name 3657 + " is not a changeable permission type"); 3658 } 3659 } 3660 3661 @Override 3662 public void grantRuntimePermission(String packageName, String name, final int userId) { 3663 if (!sUserManager.exists(userId)) { 3664 Log.e(TAG, "No such user:" + userId); 3665 return; 3666 } 3667 3668 mContext.enforceCallingOrSelfPermission( 3669 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3670 "grantRuntimePermission"); 3671 3672 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3673 "grantRuntimePermission"); 3674 3675 final int uid; 3676 final SettingBase sb; 3677 3678 synchronized (mPackages) { 3679 final PackageParser.Package pkg = mPackages.get(packageName); 3680 if (pkg == null) { 3681 throw new IllegalArgumentException("Unknown package: " + packageName); 3682 } 3683 3684 final BasePermission bp = mSettings.mPermissions.get(name); 3685 if (bp == null) { 3686 throw new IllegalArgumentException("Unknown permission: " + name); 3687 } 3688 3689 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3690 3691 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3692 sb = (SettingBase) pkg.mExtras; 3693 if (sb == null) { 3694 throw new IllegalArgumentException("Unknown package: " + packageName); 3695 } 3696 3697 final PermissionsState permissionsState = sb.getPermissionsState(); 3698 3699 final int flags = permissionsState.getPermissionFlags(name, userId); 3700 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3701 throw new SecurityException("Cannot grant system fixed permission: " 3702 + name + " for package: " + packageName); 3703 } 3704 3705 if (bp.isDevelopment()) { 3706 // Development permissions must be handled specially, since they are not 3707 // normal runtime permissions. For now they apply to all users. 3708 if (permissionsState.grantInstallPermission(bp) != 3709 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3710 scheduleWriteSettingsLocked(); 3711 } 3712 return; 3713 } 3714 3715 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3716 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3717 return; 3718 } 3719 3720 final int result = permissionsState.grantRuntimePermission(bp, userId); 3721 switch (result) { 3722 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3723 return; 3724 } 3725 3726 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3727 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3728 mHandler.post(new Runnable() { 3729 @Override 3730 public void run() { 3731 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3732 } 3733 }); 3734 } 3735 break; 3736 } 3737 3738 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3739 3740 // Not critical if that is lost - app has to request again. 3741 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3742 } 3743 3744 // Only need to do this if user is initialized. Otherwise it's a new user 3745 // and there are no processes running as the user yet and there's no need 3746 // to make an expensive call to remount processes for the changed permissions. 3747 if (READ_EXTERNAL_STORAGE.equals(name) 3748 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3749 final long token = Binder.clearCallingIdentity(); 3750 try { 3751 if (sUserManager.isInitialized(userId)) { 3752 MountServiceInternal mountServiceInternal = LocalServices.getService( 3753 MountServiceInternal.class); 3754 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3755 } 3756 } finally { 3757 Binder.restoreCallingIdentity(token); 3758 } 3759 } 3760 } 3761 3762 @Override 3763 public void revokeRuntimePermission(String packageName, String name, int userId) { 3764 if (!sUserManager.exists(userId)) { 3765 Log.e(TAG, "No such user:" + userId); 3766 return; 3767 } 3768 3769 mContext.enforceCallingOrSelfPermission( 3770 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3771 "revokeRuntimePermission"); 3772 3773 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3774 "revokeRuntimePermission"); 3775 3776 final int appId; 3777 3778 synchronized (mPackages) { 3779 final PackageParser.Package pkg = mPackages.get(packageName); 3780 if (pkg == null) { 3781 throw new IllegalArgumentException("Unknown package: " + packageName); 3782 } 3783 3784 final BasePermission bp = mSettings.mPermissions.get(name); 3785 if (bp == null) { 3786 throw new IllegalArgumentException("Unknown permission: " + name); 3787 } 3788 3789 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3790 3791 SettingBase sb = (SettingBase) pkg.mExtras; 3792 if (sb == null) { 3793 throw new IllegalArgumentException("Unknown package: " + packageName); 3794 } 3795 3796 final PermissionsState permissionsState = sb.getPermissionsState(); 3797 3798 final int flags = permissionsState.getPermissionFlags(name, userId); 3799 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3800 throw new SecurityException("Cannot revoke system fixed permission: " 3801 + name + " for package: " + packageName); 3802 } 3803 3804 if (bp.isDevelopment()) { 3805 // Development permissions must be handled specially, since they are not 3806 // normal runtime permissions. For now they apply to all users. 3807 if (permissionsState.revokeInstallPermission(bp) != 3808 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3809 scheduleWriteSettingsLocked(); 3810 } 3811 return; 3812 } 3813 3814 if (permissionsState.revokeRuntimePermission(bp, userId) == 3815 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3816 return; 3817 } 3818 3819 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3820 3821 // Critical, after this call app should never have the permission. 3822 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3823 3824 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3825 } 3826 3827 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3828 } 3829 3830 @Override 3831 public void resetRuntimePermissions() { 3832 mContext.enforceCallingOrSelfPermission( 3833 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3834 "revokeRuntimePermission"); 3835 3836 int callingUid = Binder.getCallingUid(); 3837 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3838 mContext.enforceCallingOrSelfPermission( 3839 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3840 "resetRuntimePermissions"); 3841 } 3842 3843 synchronized (mPackages) { 3844 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3845 for (int userId : UserManagerService.getInstance().getUserIds()) { 3846 final int packageCount = mPackages.size(); 3847 for (int i = 0; i < packageCount; i++) { 3848 PackageParser.Package pkg = mPackages.valueAt(i); 3849 if (!(pkg.mExtras instanceof PackageSetting)) { 3850 continue; 3851 } 3852 PackageSetting ps = (PackageSetting) pkg.mExtras; 3853 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3854 } 3855 } 3856 } 3857 } 3858 3859 @Override 3860 public int getPermissionFlags(String name, String packageName, int userId) { 3861 if (!sUserManager.exists(userId)) { 3862 return 0; 3863 } 3864 3865 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3866 3867 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3868 "getPermissionFlags"); 3869 3870 synchronized (mPackages) { 3871 final PackageParser.Package pkg = mPackages.get(packageName); 3872 if (pkg == null) { 3873 throw new IllegalArgumentException("Unknown package: " + packageName); 3874 } 3875 3876 final BasePermission bp = mSettings.mPermissions.get(name); 3877 if (bp == null) { 3878 throw new IllegalArgumentException("Unknown permission: " + name); 3879 } 3880 3881 SettingBase sb = (SettingBase) pkg.mExtras; 3882 if (sb == null) { 3883 throw new IllegalArgumentException("Unknown package: " + packageName); 3884 } 3885 3886 PermissionsState permissionsState = sb.getPermissionsState(); 3887 return permissionsState.getPermissionFlags(name, userId); 3888 } 3889 } 3890 3891 @Override 3892 public void updatePermissionFlags(String name, String packageName, int flagMask, 3893 int flagValues, int userId) { 3894 if (!sUserManager.exists(userId)) { 3895 return; 3896 } 3897 3898 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3899 3900 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3901 "updatePermissionFlags"); 3902 3903 // Only the system can change these flags and nothing else. 3904 if (getCallingUid() != Process.SYSTEM_UID) { 3905 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3906 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3907 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3908 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3909 } 3910 3911 synchronized (mPackages) { 3912 final PackageParser.Package pkg = mPackages.get(packageName); 3913 if (pkg == null) { 3914 throw new IllegalArgumentException("Unknown package: " + packageName); 3915 } 3916 3917 final BasePermission bp = mSettings.mPermissions.get(name); 3918 if (bp == null) { 3919 throw new IllegalArgumentException("Unknown permission: " + name); 3920 } 3921 3922 SettingBase sb = (SettingBase) pkg.mExtras; 3923 if (sb == null) { 3924 throw new IllegalArgumentException("Unknown package: " + packageName); 3925 } 3926 3927 PermissionsState permissionsState = sb.getPermissionsState(); 3928 3929 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3930 3931 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3932 // Install and runtime permissions are stored in different places, 3933 // so figure out what permission changed and persist the change. 3934 if (permissionsState.getInstallPermissionState(name) != null) { 3935 scheduleWriteSettingsLocked(); 3936 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3937 || hadState) { 3938 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3939 } 3940 } 3941 } 3942 } 3943 3944 /** 3945 * Update the permission flags for all packages and runtime permissions of a user in order 3946 * to allow device or profile owner to remove POLICY_FIXED. 3947 */ 3948 @Override 3949 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3950 if (!sUserManager.exists(userId)) { 3951 return; 3952 } 3953 3954 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3955 3956 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3957 "updatePermissionFlagsForAllApps"); 3958 3959 // Only the system can change system fixed flags. 3960 if (getCallingUid() != Process.SYSTEM_UID) { 3961 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3962 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3963 } 3964 3965 synchronized (mPackages) { 3966 boolean changed = false; 3967 final int packageCount = mPackages.size(); 3968 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3969 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3970 SettingBase sb = (SettingBase) pkg.mExtras; 3971 if (sb == null) { 3972 continue; 3973 } 3974 PermissionsState permissionsState = sb.getPermissionsState(); 3975 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 3976 userId, flagMask, flagValues); 3977 } 3978 if (changed) { 3979 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3980 } 3981 } 3982 } 3983 3984 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 3985 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 3986 != PackageManager.PERMISSION_GRANTED 3987 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 3988 != PackageManager.PERMISSION_GRANTED) { 3989 throw new SecurityException(message + " requires " 3990 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 3991 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 3992 } 3993 } 3994 3995 @Override 3996 public boolean shouldShowRequestPermissionRationale(String permissionName, 3997 String packageName, int userId) { 3998 if (UserHandle.getCallingUserId() != userId) { 3999 mContext.enforceCallingPermission( 4000 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4001 "canShowRequestPermissionRationale for user " + userId); 4002 } 4003 4004 final int uid = getPackageUid(packageName, userId); 4005 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4006 return false; 4007 } 4008 4009 if (checkPermission(permissionName, packageName, userId) 4010 == PackageManager.PERMISSION_GRANTED) { 4011 return false; 4012 } 4013 4014 final int flags; 4015 4016 final long identity = Binder.clearCallingIdentity(); 4017 try { 4018 flags = getPermissionFlags(permissionName, 4019 packageName, userId); 4020 } finally { 4021 Binder.restoreCallingIdentity(identity); 4022 } 4023 4024 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4025 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4026 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4027 4028 if ((flags & fixedFlags) != 0) { 4029 return false; 4030 } 4031 4032 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4033 } 4034 4035 @Override 4036 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4037 mContext.enforceCallingOrSelfPermission( 4038 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4039 "addOnPermissionsChangeListener"); 4040 4041 synchronized (mPackages) { 4042 mOnPermissionChangeListeners.addListenerLocked(listener); 4043 } 4044 } 4045 4046 @Override 4047 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4048 synchronized (mPackages) { 4049 mOnPermissionChangeListeners.removeListenerLocked(listener); 4050 } 4051 } 4052 4053 @Override 4054 public boolean isProtectedBroadcast(String actionName) { 4055 synchronized (mPackages) { 4056 return mProtectedBroadcasts.contains(actionName); 4057 } 4058 } 4059 4060 @Override 4061 public int checkSignatures(String pkg1, String pkg2) { 4062 synchronized (mPackages) { 4063 final PackageParser.Package p1 = mPackages.get(pkg1); 4064 final PackageParser.Package p2 = mPackages.get(pkg2); 4065 if (p1 == null || p1.mExtras == null 4066 || p2 == null || p2.mExtras == null) { 4067 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4068 } 4069 return compareSignatures(p1.mSignatures, p2.mSignatures); 4070 } 4071 } 4072 4073 @Override 4074 public int checkUidSignatures(int uid1, int uid2) { 4075 // Map to base uids. 4076 uid1 = UserHandle.getAppId(uid1); 4077 uid2 = UserHandle.getAppId(uid2); 4078 // reader 4079 synchronized (mPackages) { 4080 Signature[] s1; 4081 Signature[] s2; 4082 Object obj = mSettings.getUserIdLPr(uid1); 4083 if (obj != null) { 4084 if (obj instanceof SharedUserSetting) { 4085 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4086 } else if (obj instanceof PackageSetting) { 4087 s1 = ((PackageSetting)obj).signatures.mSignatures; 4088 } else { 4089 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4090 } 4091 } else { 4092 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4093 } 4094 obj = mSettings.getUserIdLPr(uid2); 4095 if (obj != null) { 4096 if (obj instanceof SharedUserSetting) { 4097 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4098 } else if (obj instanceof PackageSetting) { 4099 s2 = ((PackageSetting)obj).signatures.mSignatures; 4100 } else { 4101 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4102 } 4103 } else { 4104 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4105 } 4106 return compareSignatures(s1, s2); 4107 } 4108 } 4109 4110 private void killUid(int appId, int userId, String reason) { 4111 final long identity = Binder.clearCallingIdentity(); 4112 try { 4113 IActivityManager am = ActivityManagerNative.getDefault(); 4114 if (am != null) { 4115 try { 4116 am.killUid(appId, userId, reason); 4117 } catch (RemoteException e) { 4118 /* ignore - same process */ 4119 } 4120 } 4121 } finally { 4122 Binder.restoreCallingIdentity(identity); 4123 } 4124 } 4125 4126 /** 4127 * Compares two sets of signatures. Returns: 4128 * <br /> 4129 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4130 * <br /> 4131 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4132 * <br /> 4133 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4134 * <br /> 4135 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4136 * <br /> 4137 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4138 */ 4139 static int compareSignatures(Signature[] s1, Signature[] s2) { 4140 if (s1 == null) { 4141 return s2 == null 4142 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4143 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4144 } 4145 4146 if (s2 == null) { 4147 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4148 } 4149 4150 if (s1.length != s2.length) { 4151 return PackageManager.SIGNATURE_NO_MATCH; 4152 } 4153 4154 // Since both signature sets are of size 1, we can compare without HashSets. 4155 if (s1.length == 1) { 4156 return s1[0].equals(s2[0]) ? 4157 PackageManager.SIGNATURE_MATCH : 4158 PackageManager.SIGNATURE_NO_MATCH; 4159 } 4160 4161 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4162 for (Signature sig : s1) { 4163 set1.add(sig); 4164 } 4165 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4166 for (Signature sig : s2) { 4167 set2.add(sig); 4168 } 4169 // Make sure s2 contains all signatures in s1. 4170 if (set1.equals(set2)) { 4171 return PackageManager.SIGNATURE_MATCH; 4172 } 4173 return PackageManager.SIGNATURE_NO_MATCH; 4174 } 4175 4176 /** 4177 * If the database version for this type of package (internal storage or 4178 * external storage) is less than the version where package signatures 4179 * were updated, return true. 4180 */ 4181 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4182 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4183 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4184 } 4185 4186 /** 4187 * Used for backward compatibility to make sure any packages with 4188 * certificate chains get upgraded to the new style. {@code existingSigs} 4189 * will be in the old format (since they were stored on disk from before the 4190 * system upgrade) and {@code scannedSigs} will be in the newer format. 4191 */ 4192 private int compareSignaturesCompat(PackageSignatures existingSigs, 4193 PackageParser.Package scannedPkg) { 4194 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4195 return PackageManager.SIGNATURE_NO_MATCH; 4196 } 4197 4198 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4199 for (Signature sig : existingSigs.mSignatures) { 4200 existingSet.add(sig); 4201 } 4202 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4203 for (Signature sig : scannedPkg.mSignatures) { 4204 try { 4205 Signature[] chainSignatures = sig.getChainSignatures(); 4206 for (Signature chainSig : chainSignatures) { 4207 scannedCompatSet.add(chainSig); 4208 } 4209 } catch (CertificateEncodingException e) { 4210 scannedCompatSet.add(sig); 4211 } 4212 } 4213 /* 4214 * Make sure the expanded scanned set contains all signatures in the 4215 * existing one. 4216 */ 4217 if (scannedCompatSet.equals(existingSet)) { 4218 // Migrate the old signatures to the new scheme. 4219 existingSigs.assignSignatures(scannedPkg.mSignatures); 4220 // The new KeySets will be re-added later in the scanning process. 4221 synchronized (mPackages) { 4222 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4223 } 4224 return PackageManager.SIGNATURE_MATCH; 4225 } 4226 return PackageManager.SIGNATURE_NO_MATCH; 4227 } 4228 4229 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4230 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4231 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4232 } 4233 4234 private int compareSignaturesRecover(PackageSignatures existingSigs, 4235 PackageParser.Package scannedPkg) { 4236 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4237 return PackageManager.SIGNATURE_NO_MATCH; 4238 } 4239 4240 String msg = null; 4241 try { 4242 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4243 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4244 + scannedPkg.packageName); 4245 return PackageManager.SIGNATURE_MATCH; 4246 } 4247 } catch (CertificateException e) { 4248 msg = e.getMessage(); 4249 } 4250 4251 logCriticalInfo(Log.INFO, 4252 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4253 return PackageManager.SIGNATURE_NO_MATCH; 4254 } 4255 4256 @Override 4257 public String[] getPackagesForUid(int uid) { 4258 uid = UserHandle.getAppId(uid); 4259 // reader 4260 synchronized (mPackages) { 4261 Object obj = mSettings.getUserIdLPr(uid); 4262 if (obj instanceof SharedUserSetting) { 4263 final SharedUserSetting sus = (SharedUserSetting) obj; 4264 final int N = sus.packages.size(); 4265 final String[] res = new String[N]; 4266 final Iterator<PackageSetting> it = sus.packages.iterator(); 4267 int i = 0; 4268 while (it.hasNext()) { 4269 res[i++] = it.next().name; 4270 } 4271 return res; 4272 } else if (obj instanceof PackageSetting) { 4273 final PackageSetting ps = (PackageSetting) obj; 4274 return new String[] { ps.name }; 4275 } 4276 } 4277 return null; 4278 } 4279 4280 @Override 4281 public String getNameForUid(int uid) { 4282 // reader 4283 synchronized (mPackages) { 4284 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4285 if (obj instanceof SharedUserSetting) { 4286 final SharedUserSetting sus = (SharedUserSetting) obj; 4287 return sus.name + ":" + sus.userId; 4288 } else if (obj instanceof PackageSetting) { 4289 final PackageSetting ps = (PackageSetting) obj; 4290 return ps.name; 4291 } 4292 } 4293 return null; 4294 } 4295 4296 @Override 4297 public int getUidForSharedUser(String sharedUserName) { 4298 if(sharedUserName == null) { 4299 return -1; 4300 } 4301 // reader 4302 synchronized (mPackages) { 4303 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4304 if (suid == null) { 4305 return -1; 4306 } 4307 return suid.userId; 4308 } 4309 } 4310 4311 @Override 4312 public int getFlagsForUid(int uid) { 4313 synchronized (mPackages) { 4314 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4315 if (obj instanceof SharedUserSetting) { 4316 final SharedUserSetting sus = (SharedUserSetting) obj; 4317 return sus.pkgFlags; 4318 } else if (obj instanceof PackageSetting) { 4319 final PackageSetting ps = (PackageSetting) obj; 4320 return ps.pkgFlags; 4321 } 4322 } 4323 return 0; 4324 } 4325 4326 @Override 4327 public int getPrivateFlagsForUid(int uid) { 4328 synchronized (mPackages) { 4329 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4330 if (obj instanceof SharedUserSetting) { 4331 final SharedUserSetting sus = (SharedUserSetting) obj; 4332 return sus.pkgPrivateFlags; 4333 } else if (obj instanceof PackageSetting) { 4334 final PackageSetting ps = (PackageSetting) obj; 4335 return ps.pkgPrivateFlags; 4336 } 4337 } 4338 return 0; 4339 } 4340 4341 @Override 4342 public boolean isUidPrivileged(int uid) { 4343 uid = UserHandle.getAppId(uid); 4344 // reader 4345 synchronized (mPackages) { 4346 Object obj = mSettings.getUserIdLPr(uid); 4347 if (obj instanceof SharedUserSetting) { 4348 final SharedUserSetting sus = (SharedUserSetting) obj; 4349 final Iterator<PackageSetting> it = sus.packages.iterator(); 4350 while (it.hasNext()) { 4351 if (it.next().isPrivileged()) { 4352 return true; 4353 } 4354 } 4355 } else if (obj instanceof PackageSetting) { 4356 final PackageSetting ps = (PackageSetting) obj; 4357 return ps.isPrivileged(); 4358 } 4359 } 4360 return false; 4361 } 4362 4363 @Override 4364 public String[] getAppOpPermissionPackages(String permissionName) { 4365 synchronized (mPackages) { 4366 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4367 if (pkgs == null) { 4368 return null; 4369 } 4370 return pkgs.toArray(new String[pkgs.size()]); 4371 } 4372 } 4373 4374 @Override 4375 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4376 int flags, int userId) { 4377 if (!sUserManager.exists(userId)) return null; 4378 flags = augmentFlagsForUser(flags, userId); 4379 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4380 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4381 return chooseBestActivity(intent, resolvedType, flags, query, userId); 4382 } 4383 4384 @Override 4385 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4386 IntentFilter filter, int match, ComponentName activity) { 4387 final int userId = UserHandle.getCallingUserId(); 4388 if (DEBUG_PREFERRED) { 4389 Log.v(TAG, "setLastChosenActivity intent=" + intent 4390 + " resolvedType=" + resolvedType 4391 + " flags=" + flags 4392 + " filter=" + filter 4393 + " match=" + match 4394 + " activity=" + activity); 4395 filter.dump(new PrintStreamPrinter(System.out), " "); 4396 } 4397 intent.setComponent(null); 4398 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4399 // Find any earlier preferred or last chosen entries and nuke them 4400 findPreferredActivity(intent, resolvedType, 4401 flags, query, 0, false, true, false, userId); 4402 // Add the new activity as the last chosen for this filter 4403 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4404 "Setting last chosen"); 4405 } 4406 4407 @Override 4408 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4409 final int userId = UserHandle.getCallingUserId(); 4410 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4411 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4412 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4413 false, false, false, userId); 4414 } 4415 4416 private boolean isEphemeralAvailable(Intent intent, String resolvedType, int userId) { 4417 MessageDigest digest = null; 4418 try { 4419 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4420 } catch (NoSuchAlgorithmException e) { 4421 // If we can't create a digest, ignore ephemeral apps. 4422 return false; 4423 } 4424 4425 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4426 final byte[] digestBytes = digest.digest(hostBytes); 4427 int shaPrefix = 4428 digestBytes[0] << 24 4429 | digestBytes[1] << 16 4430 | digestBytes[2] << 8 4431 | digestBytes[3] << 0; 4432 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4433 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4434 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4435 // No hash prefix match; there are no ephemeral apps for this domain. 4436 return false; 4437 } 4438 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4439 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4440 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4441 continue; 4442 } 4443 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4444 // No filters; this should never happen. 4445 if (filters.isEmpty()) { 4446 continue; 4447 } 4448 // We have a domain match; resolve the filters to see if anything matches. 4449 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4450 for (int j = filters.size() - 1; j >= 0; --j) { 4451 ephemeralResolver.addFilter(filters.get(j)); 4452 } 4453 List<ResolveInfo> ephemeralResolveList = ephemeralResolver.queryIntent( 4454 intent, resolvedType, false /*defaultOnly*/, userId); 4455 return !ephemeralResolveList.isEmpty(); 4456 } 4457 // Hash or filter mis-match; no ephemeral apps for this domain. 4458 return false; 4459 } 4460 4461 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4462 int flags, List<ResolveInfo> query, int userId) { 4463 final boolean isWebUri = hasWebURI(intent); 4464 // Check whether or not an ephemeral app exists to handle the URI. 4465 if (isWebUri && mEphemeralResolverConnection != null) { 4466 // Deny ephemeral apps if the user choose _ALWAYS or _ALWAYS_ASK for intent resolution. 4467 boolean hasAlwaysHandler = false; 4468 synchronized (mPackages) { 4469 final int count = query.size(); 4470 for (int n=0; n<count; n++) { 4471 ResolveInfo info = query.get(n); 4472 String packageName = info.activityInfo.packageName; 4473 PackageSetting ps = mSettings.mPackages.get(packageName); 4474 if (ps != null) { 4475 // Try to get the status from User settings first 4476 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4477 int status = (int) (packedStatus >> 32); 4478 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4479 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4480 hasAlwaysHandler = true; 4481 break; 4482 } 4483 } 4484 } 4485 } 4486 4487 // Only consider installing an ephemeral app if there isn't already a verified handler. 4488 // We've determined that there's an ephemeral app available for the URI, ignore any 4489 // ResolveInfo's and just return the ephemeral installer 4490 if (!hasAlwaysHandler && isEphemeralAvailable(intent, resolvedType, userId)) { 4491 if (DEBUG_EPHEMERAL) { 4492 Slog.v(TAG, "Resolving to the ephemeral installer"); 4493 } 4494 // ditch the result and return a ResolveInfo to launch the ephemeral installer 4495 ResolveInfo ri = new ResolveInfo(mEphemeralInstallerInfo); 4496 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4497 // make a deep copy of the applicationInfo 4498 ri.activityInfo.applicationInfo = new ApplicationInfo( 4499 ri.activityInfo.applicationInfo); 4500 if (userId != 0) { 4501 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4502 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4503 } 4504 return ri; 4505 } 4506 } 4507 if (query != null) { 4508 final int N = query.size(); 4509 if (N == 1) { 4510 return query.get(0); 4511 } else if (N > 1) { 4512 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4513 // If there is more than one activity with the same priority, 4514 // then let the user decide between them. 4515 ResolveInfo r0 = query.get(0); 4516 ResolveInfo r1 = query.get(1); 4517 if (DEBUG_INTENT_MATCHING || debug) { 4518 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4519 + r1.activityInfo.name + "=" + r1.priority); 4520 } 4521 // If the first activity has a higher priority, or a different 4522 // default, then it is always desireable to pick it. 4523 if (r0.priority != r1.priority 4524 || r0.preferredOrder != r1.preferredOrder 4525 || r0.isDefault != r1.isDefault) { 4526 return query.get(0); 4527 } 4528 // If we have saved a preference for a preferred activity for 4529 // this Intent, use that. 4530 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4531 flags, query, r0.priority, true, false, debug, userId); 4532 if (ri != null) { 4533 return ri; 4534 } 4535 ri = new ResolveInfo(mResolveInfo); 4536 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4537 ri.activityInfo.applicationInfo = new ApplicationInfo( 4538 ri.activityInfo.applicationInfo); 4539 if (userId != 0) { 4540 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4541 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4542 } 4543 // Make sure that the resolver is displayable in car mode 4544 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4545 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4546 return ri; 4547 } 4548 } 4549 return null; 4550 } 4551 4552 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4553 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4554 final int N = query.size(); 4555 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4556 .get(userId); 4557 // Get the list of persistent preferred activities that handle the intent 4558 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4559 List<PersistentPreferredActivity> pprefs = ppir != null 4560 ? ppir.queryIntent(intent, resolvedType, 4561 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4562 : null; 4563 if (pprefs != null && pprefs.size() > 0) { 4564 final int M = pprefs.size(); 4565 for (int i=0; i<M; i++) { 4566 final PersistentPreferredActivity ppa = pprefs.get(i); 4567 if (DEBUG_PREFERRED || debug) { 4568 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4569 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4570 + "\n component=" + ppa.mComponent); 4571 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4572 } 4573 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4574 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4575 if (DEBUG_PREFERRED || debug) { 4576 Slog.v(TAG, "Found persistent preferred activity:"); 4577 if (ai != null) { 4578 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4579 } else { 4580 Slog.v(TAG, " null"); 4581 } 4582 } 4583 if (ai == null) { 4584 // This previously registered persistent preferred activity 4585 // component is no longer known. Ignore it and do NOT remove it. 4586 continue; 4587 } 4588 for (int j=0; j<N; j++) { 4589 final ResolveInfo ri = query.get(j); 4590 if (!ri.activityInfo.applicationInfo.packageName 4591 .equals(ai.applicationInfo.packageName)) { 4592 continue; 4593 } 4594 if (!ri.activityInfo.name.equals(ai.name)) { 4595 continue; 4596 } 4597 // Found a persistent preference that can handle the intent. 4598 if (DEBUG_PREFERRED || debug) { 4599 Slog.v(TAG, "Returning persistent preferred activity: " + 4600 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4601 } 4602 return ri; 4603 } 4604 } 4605 } 4606 return null; 4607 } 4608 4609 // TODO: handle preferred activities missing while user has amnesia 4610 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4611 List<ResolveInfo> query, int priority, boolean always, 4612 boolean removeMatches, boolean debug, int userId) { 4613 if (!sUserManager.exists(userId)) return null; 4614 flags = augmentFlagsForUser(flags, userId); 4615 // writer 4616 synchronized (mPackages) { 4617 if (intent.getSelector() != null) { 4618 intent = intent.getSelector(); 4619 } 4620 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4621 4622 // Try to find a matching persistent preferred activity. 4623 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4624 debug, userId); 4625 4626 // If a persistent preferred activity matched, use it. 4627 if (pri != null) { 4628 return pri; 4629 } 4630 4631 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4632 // Get the list of preferred activities that handle the intent 4633 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4634 List<PreferredActivity> prefs = pir != null 4635 ? pir.queryIntent(intent, resolvedType, 4636 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4637 : null; 4638 if (prefs != null && prefs.size() > 0) { 4639 boolean changed = false; 4640 try { 4641 // First figure out how good the original match set is. 4642 // We will only allow preferred activities that came 4643 // from the same match quality. 4644 int match = 0; 4645 4646 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4647 4648 final int N = query.size(); 4649 for (int j=0; j<N; j++) { 4650 final ResolveInfo ri = query.get(j); 4651 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4652 + ": 0x" + Integer.toHexString(match)); 4653 if (ri.match > match) { 4654 match = ri.match; 4655 } 4656 } 4657 4658 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4659 + Integer.toHexString(match)); 4660 4661 match &= IntentFilter.MATCH_CATEGORY_MASK; 4662 final int M = prefs.size(); 4663 for (int i=0; i<M; i++) { 4664 final PreferredActivity pa = prefs.get(i); 4665 if (DEBUG_PREFERRED || debug) { 4666 Slog.v(TAG, "Checking PreferredActivity ds=" 4667 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4668 + "\n component=" + pa.mPref.mComponent); 4669 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4670 } 4671 if (pa.mPref.mMatch != match) { 4672 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4673 + Integer.toHexString(pa.mPref.mMatch)); 4674 continue; 4675 } 4676 // If it's not an "always" type preferred activity and that's what we're 4677 // looking for, skip it. 4678 if (always && !pa.mPref.mAlways) { 4679 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4680 continue; 4681 } 4682 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4683 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4684 if (DEBUG_PREFERRED || debug) { 4685 Slog.v(TAG, "Found preferred activity:"); 4686 if (ai != null) { 4687 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4688 } else { 4689 Slog.v(TAG, " null"); 4690 } 4691 } 4692 if (ai == null) { 4693 // This previously registered preferred activity 4694 // component is no longer known. Most likely an update 4695 // to the app was installed and in the new version this 4696 // component no longer exists. Clean it up by removing 4697 // it from the preferred activities list, and skip it. 4698 Slog.w(TAG, "Removing dangling preferred activity: " 4699 + pa.mPref.mComponent); 4700 pir.removeFilter(pa); 4701 changed = true; 4702 continue; 4703 } 4704 for (int j=0; j<N; j++) { 4705 final ResolveInfo ri = query.get(j); 4706 if (!ri.activityInfo.applicationInfo.packageName 4707 .equals(ai.applicationInfo.packageName)) { 4708 continue; 4709 } 4710 if (!ri.activityInfo.name.equals(ai.name)) { 4711 continue; 4712 } 4713 4714 if (removeMatches) { 4715 pir.removeFilter(pa); 4716 changed = true; 4717 if (DEBUG_PREFERRED) { 4718 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4719 } 4720 break; 4721 } 4722 4723 // Okay we found a previously set preferred or last chosen app. 4724 // If the result set is different from when this 4725 // was created, we need to clear it and re-ask the 4726 // user their preference, if we're looking for an "always" type entry. 4727 if (always && !pa.mPref.sameSet(query)) { 4728 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4729 + intent + " type " + resolvedType); 4730 if (DEBUG_PREFERRED) { 4731 Slog.v(TAG, "Removing preferred activity since set changed " 4732 + pa.mPref.mComponent); 4733 } 4734 pir.removeFilter(pa); 4735 // Re-add the filter as a "last chosen" entry (!always) 4736 PreferredActivity lastChosen = new PreferredActivity( 4737 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4738 pir.addFilter(lastChosen); 4739 changed = true; 4740 return null; 4741 } 4742 4743 // Yay! Either the set matched or we're looking for the last chosen 4744 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4745 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4746 return ri; 4747 } 4748 } 4749 } finally { 4750 if (changed) { 4751 if (DEBUG_PREFERRED) { 4752 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4753 } 4754 scheduleWritePackageRestrictionsLocked(userId); 4755 } 4756 } 4757 } 4758 } 4759 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4760 return null; 4761 } 4762 4763 /* 4764 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4765 */ 4766 @Override 4767 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4768 int targetUserId) { 4769 mContext.enforceCallingOrSelfPermission( 4770 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4771 List<CrossProfileIntentFilter> matches = 4772 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4773 if (matches != null) { 4774 int size = matches.size(); 4775 for (int i = 0; i < size; i++) { 4776 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4777 } 4778 } 4779 if (hasWebURI(intent)) { 4780 // cross-profile app linking works only towards the parent. 4781 final UserInfo parent = getProfileParent(sourceUserId); 4782 synchronized(mPackages) { 4783 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4784 intent, resolvedType, 0, sourceUserId, parent.id); 4785 return xpDomainInfo != null; 4786 } 4787 } 4788 return false; 4789 } 4790 4791 private UserInfo getProfileParent(int userId) { 4792 final long identity = Binder.clearCallingIdentity(); 4793 try { 4794 return sUserManager.getProfileParent(userId); 4795 } finally { 4796 Binder.restoreCallingIdentity(identity); 4797 } 4798 } 4799 4800 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4801 String resolvedType, int userId) { 4802 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4803 if (resolver != null) { 4804 return resolver.queryIntent(intent, resolvedType, false, userId); 4805 } 4806 return null; 4807 } 4808 4809 @Override 4810 public List<ResolveInfo> queryIntentActivities(Intent intent, 4811 String resolvedType, int flags, int userId) { 4812 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4813 flags = augmentFlagsForUser(flags, userId); 4814 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4815 ComponentName comp = intent.getComponent(); 4816 if (comp == null) { 4817 if (intent.getSelector() != null) { 4818 intent = intent.getSelector(); 4819 comp = intent.getComponent(); 4820 } 4821 } 4822 4823 if (comp != null) { 4824 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4825 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4826 if (ai != null) { 4827 final ResolveInfo ri = new ResolveInfo(); 4828 ri.activityInfo = ai; 4829 list.add(ri); 4830 } 4831 return list; 4832 } 4833 4834 // reader 4835 synchronized (mPackages) { 4836 final String pkgName = intent.getPackage(); 4837 if (pkgName == null) { 4838 List<CrossProfileIntentFilter> matchingFilters = 4839 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4840 // Check for results that need to skip the current profile. 4841 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4842 resolvedType, flags, userId); 4843 if (xpResolveInfo != null) { 4844 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4845 result.add(xpResolveInfo); 4846 return filterIfNotSystemUser(result, userId); 4847 } 4848 4849 // Check for results in the current profile. 4850 List<ResolveInfo> result = mActivities.queryIntent( 4851 intent, resolvedType, flags, userId); 4852 4853 // Check for cross profile results. 4854 xpResolveInfo = queryCrossProfileIntents( 4855 matchingFilters, intent, resolvedType, flags, userId); 4856 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4857 result.add(xpResolveInfo); 4858 Collections.sort(result, mResolvePrioritySorter); 4859 } 4860 result = filterIfNotSystemUser(result, userId); 4861 if (hasWebURI(intent)) { 4862 CrossProfileDomainInfo xpDomainInfo = null; 4863 final UserInfo parent = getProfileParent(userId); 4864 if (parent != null) { 4865 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4866 flags, userId, parent.id); 4867 } 4868 if (xpDomainInfo != null) { 4869 if (xpResolveInfo != null) { 4870 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4871 // in the result. 4872 result.remove(xpResolveInfo); 4873 } 4874 if (result.size() == 0) { 4875 result.add(xpDomainInfo.resolveInfo); 4876 return result; 4877 } 4878 } else if (result.size() <= 1) { 4879 return result; 4880 } 4881 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4882 xpDomainInfo, userId); 4883 Collections.sort(result, mResolvePrioritySorter); 4884 } 4885 return result; 4886 } 4887 final PackageParser.Package pkg = mPackages.get(pkgName); 4888 if (pkg != null) { 4889 return filterIfNotSystemUser( 4890 mActivities.queryIntentForPackage( 4891 intent, resolvedType, flags, pkg.activities, userId), 4892 userId); 4893 } 4894 return new ArrayList<ResolveInfo>(); 4895 } 4896 } 4897 4898 private static class CrossProfileDomainInfo { 4899 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4900 ResolveInfo resolveInfo; 4901 /* Best domain verification status of the activities found in the other profile */ 4902 int bestDomainVerificationStatus; 4903 } 4904 4905 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4906 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4907 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4908 sourceUserId)) { 4909 return null; 4910 } 4911 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4912 resolvedType, flags, parentUserId); 4913 4914 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4915 return null; 4916 } 4917 CrossProfileDomainInfo result = null; 4918 int size = resultTargetUser.size(); 4919 for (int i = 0; i < size; i++) { 4920 ResolveInfo riTargetUser = resultTargetUser.get(i); 4921 // Intent filter verification is only for filters that specify a host. So don't return 4922 // those that handle all web uris. 4923 if (riTargetUser.handleAllWebDataURI) { 4924 continue; 4925 } 4926 String packageName = riTargetUser.activityInfo.packageName; 4927 PackageSetting ps = mSettings.mPackages.get(packageName); 4928 if (ps == null) { 4929 continue; 4930 } 4931 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 4932 int status = (int)(verificationState >> 32); 4933 if (result == null) { 4934 result = new CrossProfileDomainInfo(); 4935 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 4936 sourceUserId, parentUserId); 4937 result.bestDomainVerificationStatus = status; 4938 } else { 4939 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 4940 result.bestDomainVerificationStatus); 4941 } 4942 } 4943 // Don't consider matches with status NEVER across profiles. 4944 if (result != null && result.bestDomainVerificationStatus 4945 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4946 return null; 4947 } 4948 return result; 4949 } 4950 4951 /** 4952 * Verification statuses are ordered from the worse to the best, except for 4953 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 4954 */ 4955 private int bestDomainVerificationStatus(int status1, int status2) { 4956 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4957 return status2; 4958 } 4959 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4960 return status1; 4961 } 4962 return (int) MathUtils.max(status1, status2); 4963 } 4964 4965 private boolean isUserEnabled(int userId) { 4966 long callingId = Binder.clearCallingIdentity(); 4967 try { 4968 UserInfo userInfo = sUserManager.getUserInfo(userId); 4969 return userInfo != null && userInfo.isEnabled(); 4970 } finally { 4971 Binder.restoreCallingIdentity(callingId); 4972 } 4973 } 4974 4975 /** 4976 * Filter out activities with systemUserOnly flag set, when current user is not System. 4977 * 4978 * @return filtered list 4979 */ 4980 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 4981 if (userId == UserHandle.USER_SYSTEM) { 4982 return resolveInfos; 4983 } 4984 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 4985 ResolveInfo info = resolveInfos.get(i); 4986 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 4987 resolveInfos.remove(i); 4988 } 4989 } 4990 return resolveInfos; 4991 } 4992 4993 private static boolean hasWebURI(Intent intent) { 4994 if (intent.getData() == null) { 4995 return false; 4996 } 4997 final String scheme = intent.getScheme(); 4998 if (TextUtils.isEmpty(scheme)) { 4999 return false; 5000 } 5001 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5002 } 5003 5004 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5005 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5006 int userId) { 5007 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5008 5009 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5010 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5011 candidates.size()); 5012 } 5013 5014 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5015 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5016 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5017 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5018 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5019 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5020 5021 synchronized (mPackages) { 5022 final int count = candidates.size(); 5023 // First, try to use linked apps. Partition the candidates into four lists: 5024 // one for the final results, one for the "do not use ever", one for "undefined status" 5025 // and finally one for "browser app type". 5026 for (int n=0; n<count; n++) { 5027 ResolveInfo info = candidates.get(n); 5028 String packageName = info.activityInfo.packageName; 5029 PackageSetting ps = mSettings.mPackages.get(packageName); 5030 if (ps != null) { 5031 // Add to the special match all list (Browser use case) 5032 if (info.handleAllWebDataURI) { 5033 matchAllList.add(info); 5034 continue; 5035 } 5036 // Try to get the status from User settings first 5037 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5038 int status = (int)(packedStatus >> 32); 5039 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5040 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5041 if (DEBUG_DOMAIN_VERIFICATION) { 5042 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5043 + " : linkgen=" + linkGeneration); 5044 } 5045 // Use link-enabled generation as preferredOrder, i.e. 5046 // prefer newly-enabled over earlier-enabled. 5047 info.preferredOrder = linkGeneration; 5048 alwaysList.add(info); 5049 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5050 if (DEBUG_DOMAIN_VERIFICATION) { 5051 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5052 } 5053 neverList.add(info); 5054 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5055 if (DEBUG_DOMAIN_VERIFICATION) { 5056 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5057 } 5058 alwaysAskList.add(info); 5059 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5060 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5061 if (DEBUG_DOMAIN_VERIFICATION) { 5062 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5063 } 5064 undefinedList.add(info); 5065 } 5066 } 5067 } 5068 5069 // We'll want to include browser possibilities in a few cases 5070 boolean includeBrowser = false; 5071 5072 // First try to add the "always" resolution(s) for the current user, if any 5073 if (alwaysList.size() > 0) { 5074 result.addAll(alwaysList); 5075 } else { 5076 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5077 result.addAll(undefinedList); 5078 // Maybe add one for the other profile. 5079 if (xpDomainInfo != null && ( 5080 xpDomainInfo.bestDomainVerificationStatus 5081 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5082 result.add(xpDomainInfo.resolveInfo); 5083 } 5084 includeBrowser = true; 5085 } 5086 5087 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5088 // If there were 'always' entries their preferred order has been set, so we also 5089 // back that off to make the alternatives equivalent 5090 if (alwaysAskList.size() > 0) { 5091 for (ResolveInfo i : result) { 5092 i.preferredOrder = 0; 5093 } 5094 result.addAll(alwaysAskList); 5095 includeBrowser = true; 5096 } 5097 5098 if (includeBrowser) { 5099 // Also add browsers (all of them or only the default one) 5100 if (DEBUG_DOMAIN_VERIFICATION) { 5101 Slog.v(TAG, " ...including browsers in candidate set"); 5102 } 5103 if ((matchFlags & MATCH_ALL) != 0) { 5104 result.addAll(matchAllList); 5105 } else { 5106 // Browser/generic handling case. If there's a default browser, go straight 5107 // to that (but only if there is no other higher-priority match). 5108 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5109 int maxMatchPrio = 0; 5110 ResolveInfo defaultBrowserMatch = null; 5111 final int numCandidates = matchAllList.size(); 5112 for (int n = 0; n < numCandidates; n++) { 5113 ResolveInfo info = matchAllList.get(n); 5114 // track the highest overall match priority... 5115 if (info.priority > maxMatchPrio) { 5116 maxMatchPrio = info.priority; 5117 } 5118 // ...and the highest-priority default browser match 5119 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5120 if (defaultBrowserMatch == null 5121 || (defaultBrowserMatch.priority < info.priority)) { 5122 if (debug) { 5123 Slog.v(TAG, "Considering default browser match " + info); 5124 } 5125 defaultBrowserMatch = info; 5126 } 5127 } 5128 } 5129 if (defaultBrowserMatch != null 5130 && defaultBrowserMatch.priority >= maxMatchPrio 5131 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5132 { 5133 if (debug) { 5134 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5135 } 5136 result.add(defaultBrowserMatch); 5137 } else { 5138 result.addAll(matchAllList); 5139 } 5140 } 5141 5142 // If there is nothing selected, add all candidates and remove the ones that the user 5143 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5144 if (result.size() == 0) { 5145 result.addAll(candidates); 5146 result.removeAll(neverList); 5147 } 5148 } 5149 } 5150 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5151 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5152 result.size()); 5153 for (ResolveInfo info : result) { 5154 Slog.v(TAG, " + " + info.activityInfo); 5155 } 5156 } 5157 return result; 5158 } 5159 5160 // Returns a packed value as a long: 5161 // 5162 // high 'int'-sized word: link status: undefined/ask/never/always. 5163 // low 'int'-sized word: relative priority among 'always' results. 5164 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5165 long result = ps.getDomainVerificationStatusForUser(userId); 5166 // if none available, get the master status 5167 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5168 if (ps.getIntentFilterVerificationInfo() != null) { 5169 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5170 } 5171 } 5172 return result; 5173 } 5174 5175 private ResolveInfo querySkipCurrentProfileIntents( 5176 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5177 int flags, int sourceUserId) { 5178 if (matchingFilters != null) { 5179 int size = matchingFilters.size(); 5180 for (int i = 0; i < size; i ++) { 5181 CrossProfileIntentFilter filter = matchingFilters.get(i); 5182 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5183 // Checking if there are activities in the target user that can handle the 5184 // intent. 5185 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5186 resolvedType, flags, sourceUserId); 5187 if (resolveInfo != null) { 5188 return resolveInfo; 5189 } 5190 } 5191 } 5192 } 5193 return null; 5194 } 5195 5196 // Return matching ResolveInfo if any for skip current profile intent filters. 5197 private ResolveInfo queryCrossProfileIntents( 5198 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5199 int flags, int sourceUserId) { 5200 if (matchingFilters != null) { 5201 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5202 // match the same intent. For performance reasons, it is better not to 5203 // run queryIntent twice for the same userId 5204 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5205 int size = matchingFilters.size(); 5206 for (int i = 0; i < size; i++) { 5207 CrossProfileIntentFilter filter = matchingFilters.get(i); 5208 int targetUserId = filter.getTargetUserId(); 5209 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 5210 && !alreadyTriedUserIds.get(targetUserId)) { 5211 // Checking if there are activities in the target user that can handle the 5212 // intent. 5213 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5214 resolvedType, flags, sourceUserId); 5215 if (resolveInfo != null) return resolveInfo; 5216 alreadyTriedUserIds.put(targetUserId, true); 5217 } 5218 } 5219 } 5220 return null; 5221 } 5222 5223 /** 5224 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5225 * will forward the intent to the filter's target user. 5226 * Otherwise, returns null. 5227 */ 5228 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5229 String resolvedType, int flags, int sourceUserId) { 5230 int targetUserId = filter.getTargetUserId(); 5231 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5232 resolvedType, flags, targetUserId); 5233 if (resultTargetUser != null && !resultTargetUser.isEmpty() 5234 && isUserEnabled(targetUserId)) { 5235 return createForwardingResolveInfoUnchecked(filter, sourceUserId, targetUserId); 5236 } 5237 return null; 5238 } 5239 5240 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5241 int sourceUserId, int targetUserId) { 5242 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5243 long ident = Binder.clearCallingIdentity(); 5244 boolean targetIsProfile; 5245 try { 5246 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5247 } finally { 5248 Binder.restoreCallingIdentity(ident); 5249 } 5250 String className; 5251 if (targetIsProfile) { 5252 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5253 } else { 5254 className = FORWARD_INTENT_TO_PARENT; 5255 } 5256 ComponentName forwardingActivityComponentName = new ComponentName( 5257 mAndroidApplication.packageName, className); 5258 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5259 sourceUserId); 5260 if (!targetIsProfile) { 5261 forwardingActivityInfo.showUserIcon = targetUserId; 5262 forwardingResolveInfo.noResourceId = true; 5263 } 5264 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5265 forwardingResolveInfo.priority = 0; 5266 forwardingResolveInfo.preferredOrder = 0; 5267 forwardingResolveInfo.match = 0; 5268 forwardingResolveInfo.isDefault = true; 5269 forwardingResolveInfo.filter = filter; 5270 forwardingResolveInfo.targetUserId = targetUserId; 5271 return forwardingResolveInfo; 5272 } 5273 5274 @Override 5275 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5276 Intent[] specifics, String[] specificTypes, Intent intent, 5277 String resolvedType, int flags, int userId) { 5278 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5279 flags = augmentFlagsForUser(flags, userId); 5280 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5281 false, "query intent activity options"); 5282 final String resultsAction = intent.getAction(); 5283 5284 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5285 | PackageManager.GET_RESOLVED_FILTER, userId); 5286 5287 if (DEBUG_INTENT_MATCHING) { 5288 Log.v(TAG, "Query " + intent + ": " + results); 5289 } 5290 5291 int specificsPos = 0; 5292 int N; 5293 5294 // todo: note that the algorithm used here is O(N^2). This 5295 // isn't a problem in our current environment, but if we start running 5296 // into situations where we have more than 5 or 10 matches then this 5297 // should probably be changed to something smarter... 5298 5299 // First we go through and resolve each of the specific items 5300 // that were supplied, taking care of removing any corresponding 5301 // duplicate items in the generic resolve list. 5302 if (specifics != null) { 5303 for (int i=0; i<specifics.length; i++) { 5304 final Intent sintent = specifics[i]; 5305 if (sintent == null) { 5306 continue; 5307 } 5308 5309 if (DEBUG_INTENT_MATCHING) { 5310 Log.v(TAG, "Specific #" + i + ": " + sintent); 5311 } 5312 5313 String action = sintent.getAction(); 5314 if (resultsAction != null && resultsAction.equals(action)) { 5315 // If this action was explicitly requested, then don't 5316 // remove things that have it. 5317 action = null; 5318 } 5319 5320 ResolveInfo ri = null; 5321 ActivityInfo ai = null; 5322 5323 ComponentName comp = sintent.getComponent(); 5324 if (comp == null) { 5325 ri = resolveIntent( 5326 sintent, 5327 specificTypes != null ? specificTypes[i] : null, 5328 flags, userId); 5329 if (ri == null) { 5330 continue; 5331 } 5332 if (ri == mResolveInfo) { 5333 // ACK! Must do something better with this. 5334 } 5335 ai = ri.activityInfo; 5336 comp = new ComponentName(ai.applicationInfo.packageName, 5337 ai.name); 5338 } else { 5339 ai = getActivityInfo(comp, flags, userId); 5340 if (ai == null) { 5341 continue; 5342 } 5343 } 5344 5345 // Look for any generic query activities that are duplicates 5346 // of this specific one, and remove them from the results. 5347 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5348 N = results.size(); 5349 int j; 5350 for (j=specificsPos; j<N; j++) { 5351 ResolveInfo sri = results.get(j); 5352 if ((sri.activityInfo.name.equals(comp.getClassName()) 5353 && sri.activityInfo.applicationInfo.packageName.equals( 5354 comp.getPackageName())) 5355 || (action != null && sri.filter.matchAction(action))) { 5356 results.remove(j); 5357 if (DEBUG_INTENT_MATCHING) Log.v( 5358 TAG, "Removing duplicate item from " + j 5359 + " due to specific " + specificsPos); 5360 if (ri == null) { 5361 ri = sri; 5362 } 5363 j--; 5364 N--; 5365 } 5366 } 5367 5368 // Add this specific item to its proper place. 5369 if (ri == null) { 5370 ri = new ResolveInfo(); 5371 ri.activityInfo = ai; 5372 } 5373 results.add(specificsPos, ri); 5374 ri.specificIndex = i; 5375 specificsPos++; 5376 } 5377 } 5378 5379 // Now we go through the remaining generic results and remove any 5380 // duplicate actions that are found here. 5381 N = results.size(); 5382 for (int i=specificsPos; i<N-1; i++) { 5383 final ResolveInfo rii = results.get(i); 5384 if (rii.filter == null) { 5385 continue; 5386 } 5387 5388 // Iterate over all of the actions of this result's intent 5389 // filter... typically this should be just one. 5390 final Iterator<String> it = rii.filter.actionsIterator(); 5391 if (it == null) { 5392 continue; 5393 } 5394 while (it.hasNext()) { 5395 final String action = it.next(); 5396 if (resultsAction != null && resultsAction.equals(action)) { 5397 // If this action was explicitly requested, then don't 5398 // remove things that have it. 5399 continue; 5400 } 5401 for (int j=i+1; j<N; j++) { 5402 final ResolveInfo rij = results.get(j); 5403 if (rij.filter != null && rij.filter.hasAction(action)) { 5404 results.remove(j); 5405 if (DEBUG_INTENT_MATCHING) Log.v( 5406 TAG, "Removing duplicate item from " + j 5407 + " due to action " + action + " at " + i); 5408 j--; 5409 N--; 5410 } 5411 } 5412 } 5413 5414 // If the caller didn't request filter information, drop it now 5415 // so we don't have to marshall/unmarshall it. 5416 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5417 rii.filter = null; 5418 } 5419 } 5420 5421 // Filter out the caller activity if so requested. 5422 if (caller != null) { 5423 N = results.size(); 5424 for (int i=0; i<N; i++) { 5425 ActivityInfo ainfo = results.get(i).activityInfo; 5426 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5427 && caller.getClassName().equals(ainfo.name)) { 5428 results.remove(i); 5429 break; 5430 } 5431 } 5432 } 5433 5434 // If the caller didn't request filter information, 5435 // drop them now so we don't have to 5436 // marshall/unmarshall it. 5437 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5438 N = results.size(); 5439 for (int i=0; i<N; i++) { 5440 results.get(i).filter = null; 5441 } 5442 } 5443 5444 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5445 return results; 5446 } 5447 5448 @Override 5449 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5450 int userId) { 5451 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5452 flags = augmentFlagsForUser(flags, userId); 5453 ComponentName comp = intent.getComponent(); 5454 if (comp == null) { 5455 if (intent.getSelector() != null) { 5456 intent = intent.getSelector(); 5457 comp = intent.getComponent(); 5458 } 5459 } 5460 if (comp != null) { 5461 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5462 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5463 if (ai != null) { 5464 ResolveInfo ri = new ResolveInfo(); 5465 ri.activityInfo = ai; 5466 list.add(ri); 5467 } 5468 return list; 5469 } 5470 5471 // reader 5472 synchronized (mPackages) { 5473 String pkgName = intent.getPackage(); 5474 if (pkgName == null) { 5475 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5476 } 5477 final PackageParser.Package pkg = mPackages.get(pkgName); 5478 if (pkg != null) { 5479 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5480 userId); 5481 } 5482 return null; 5483 } 5484 } 5485 5486 @Override 5487 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5488 if (!sUserManager.exists(userId)) return null; 5489 flags = augmentFlagsForUser(flags, userId); 5490 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5491 if (query != null) { 5492 if (query.size() >= 1) { 5493 // If there is more than one service with the same priority, 5494 // just arbitrarily pick the first one. 5495 return query.get(0); 5496 } 5497 } 5498 return null; 5499 } 5500 5501 @Override 5502 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5503 int userId) { 5504 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5505 flags = augmentFlagsForUser(flags, userId); 5506 ComponentName comp = intent.getComponent(); 5507 if (comp == null) { 5508 if (intent.getSelector() != null) { 5509 intent = intent.getSelector(); 5510 comp = intent.getComponent(); 5511 } 5512 } 5513 if (comp != null) { 5514 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5515 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5516 if (si != null) { 5517 final ResolveInfo ri = new ResolveInfo(); 5518 ri.serviceInfo = si; 5519 list.add(ri); 5520 } 5521 return list; 5522 } 5523 5524 // reader 5525 synchronized (mPackages) { 5526 String pkgName = intent.getPackage(); 5527 if (pkgName == null) { 5528 return mServices.queryIntent(intent, resolvedType, flags, userId); 5529 } 5530 final PackageParser.Package pkg = mPackages.get(pkgName); 5531 if (pkg != null) { 5532 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5533 userId); 5534 } 5535 return null; 5536 } 5537 } 5538 5539 @Override 5540 public List<ResolveInfo> queryIntentContentProviders( 5541 Intent intent, String resolvedType, int flags, int userId) { 5542 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5543 flags = augmentFlagsForUser(flags, userId); 5544 ComponentName comp = intent.getComponent(); 5545 if (comp == null) { 5546 if (intent.getSelector() != null) { 5547 intent = intent.getSelector(); 5548 comp = intent.getComponent(); 5549 } 5550 } 5551 if (comp != null) { 5552 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5553 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5554 if (pi != null) { 5555 final ResolveInfo ri = new ResolveInfo(); 5556 ri.providerInfo = pi; 5557 list.add(ri); 5558 } 5559 return list; 5560 } 5561 5562 // reader 5563 synchronized (mPackages) { 5564 String pkgName = intent.getPackage(); 5565 if (pkgName == null) { 5566 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5567 } 5568 final PackageParser.Package pkg = mPackages.get(pkgName); 5569 if (pkg != null) { 5570 return mProviders.queryIntentForPackage( 5571 intent, resolvedType, flags, pkg.providers, userId); 5572 } 5573 return null; 5574 } 5575 } 5576 5577 @Override 5578 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5579 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5580 5581 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5582 5583 // writer 5584 synchronized (mPackages) { 5585 ArrayList<PackageInfo> list; 5586 if (listUninstalled) { 5587 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5588 for (PackageSetting ps : mSettings.mPackages.values()) { 5589 PackageInfo pi; 5590 if (ps.pkg != null) { 5591 pi = generatePackageInfo(ps.pkg, flags, userId); 5592 } else { 5593 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5594 } 5595 if (pi != null) { 5596 list.add(pi); 5597 } 5598 } 5599 } else { 5600 list = new ArrayList<PackageInfo>(mPackages.size()); 5601 for (PackageParser.Package p : mPackages.values()) { 5602 PackageInfo pi = generatePackageInfo(p, flags, userId); 5603 if (pi != null) { 5604 list.add(pi); 5605 } 5606 } 5607 } 5608 5609 return new ParceledListSlice<PackageInfo>(list); 5610 } 5611 } 5612 5613 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5614 String[] permissions, boolean[] tmp, int flags, int userId) { 5615 int numMatch = 0; 5616 final PermissionsState permissionsState = ps.getPermissionsState(); 5617 for (int i=0; i<permissions.length; i++) { 5618 final String permission = permissions[i]; 5619 if (permissionsState.hasPermission(permission, userId)) { 5620 tmp[i] = true; 5621 numMatch++; 5622 } else { 5623 tmp[i] = false; 5624 } 5625 } 5626 if (numMatch == 0) { 5627 return; 5628 } 5629 PackageInfo pi; 5630 if (ps.pkg != null) { 5631 pi = generatePackageInfo(ps.pkg, flags, userId); 5632 } else { 5633 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5634 } 5635 // The above might return null in cases of uninstalled apps or install-state 5636 // skew across users/profiles. 5637 if (pi != null) { 5638 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5639 if (numMatch == permissions.length) { 5640 pi.requestedPermissions = permissions; 5641 } else { 5642 pi.requestedPermissions = new String[numMatch]; 5643 numMatch = 0; 5644 for (int i=0; i<permissions.length; i++) { 5645 if (tmp[i]) { 5646 pi.requestedPermissions[numMatch] = permissions[i]; 5647 numMatch++; 5648 } 5649 } 5650 } 5651 } 5652 list.add(pi); 5653 } 5654 } 5655 5656 @Override 5657 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5658 String[] permissions, int flags, int userId) { 5659 if (!sUserManager.exists(userId)) return null; 5660 flags = augmentFlagsForUser(flags, userId); 5661 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5662 5663 // writer 5664 synchronized (mPackages) { 5665 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5666 boolean[] tmpBools = new boolean[permissions.length]; 5667 if (listUninstalled) { 5668 for (PackageSetting ps : mSettings.mPackages.values()) { 5669 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5670 } 5671 } else { 5672 for (PackageParser.Package pkg : mPackages.values()) { 5673 PackageSetting ps = (PackageSetting)pkg.mExtras; 5674 if (ps != null) { 5675 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5676 userId); 5677 } 5678 } 5679 } 5680 5681 return new ParceledListSlice<PackageInfo>(list); 5682 } 5683 } 5684 5685 @Override 5686 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5687 if (!sUserManager.exists(userId)) return null; 5688 flags = augmentFlagsForUser(flags, userId); 5689 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5690 5691 // writer 5692 synchronized (mPackages) { 5693 ArrayList<ApplicationInfo> list; 5694 if (listUninstalled) { 5695 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5696 for (PackageSetting ps : mSettings.mPackages.values()) { 5697 ApplicationInfo ai; 5698 if (ps.pkg != null) { 5699 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5700 ps.readUserState(userId), userId); 5701 } else { 5702 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5703 } 5704 if (ai != null) { 5705 list.add(ai); 5706 } 5707 } 5708 } else { 5709 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5710 for (PackageParser.Package p : mPackages.values()) { 5711 if (p.mExtras != null) { 5712 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5713 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5714 if (ai != null) { 5715 list.add(ai); 5716 } 5717 } 5718 } 5719 } 5720 5721 return new ParceledListSlice<ApplicationInfo>(list); 5722 } 5723 } 5724 5725 public List<ApplicationInfo> getPersistentApplications(int flags) { 5726 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5727 5728 // reader 5729 synchronized (mPackages) { 5730 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5731 final int userId = UserHandle.getCallingUserId(); 5732 while (i.hasNext()) { 5733 final PackageParser.Package p = i.next(); 5734 if (p.applicationInfo != null 5735 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5736 && (!mSafeMode || isSystemApp(p))) { 5737 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5738 if (ps != null) { 5739 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5740 ps.readUserState(userId), userId); 5741 if (ai != null) { 5742 finalList.add(ai); 5743 } 5744 } 5745 } 5746 } 5747 } 5748 5749 return finalList; 5750 } 5751 5752 @Override 5753 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5754 if (!sUserManager.exists(userId)) return null; 5755 flags = augmentFlagsForUser(flags, userId); 5756 // reader 5757 synchronized (mPackages) { 5758 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5759 PackageSetting ps = provider != null 5760 ? mSettings.mPackages.get(provider.owner.packageName) 5761 : null; 5762 return ps != null 5763 && mSettings.isEnabledAndVisibleLPr(provider.info, flags, userId) 5764 && (!mSafeMode || (provider.info.applicationInfo.flags 5765 &ApplicationInfo.FLAG_SYSTEM) != 0) 5766 ? PackageParser.generateProviderInfo(provider, flags, 5767 ps.readUserState(userId), userId) 5768 : null; 5769 } 5770 } 5771 5772 /** 5773 * @deprecated 5774 */ 5775 @Deprecated 5776 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5777 // reader 5778 synchronized (mPackages) { 5779 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5780 .entrySet().iterator(); 5781 final int userId = UserHandle.getCallingUserId(); 5782 while (i.hasNext()) { 5783 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5784 PackageParser.Provider p = entry.getValue(); 5785 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5786 5787 if (ps != null && p.syncable 5788 && (!mSafeMode || (p.info.applicationInfo.flags 5789 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5790 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5791 ps.readUserState(userId), userId); 5792 if (info != null) { 5793 outNames.add(entry.getKey()); 5794 outInfo.add(info); 5795 } 5796 } 5797 } 5798 } 5799 } 5800 5801 @Override 5802 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5803 int uid, int flags) { 5804 final int userId = processName != null ? UserHandle.getUserId(uid) 5805 : UserHandle.getCallingUserId(); 5806 if (!sUserManager.exists(userId)) return null; 5807 flags = augmentFlagsForUser(flags, userId); 5808 5809 ArrayList<ProviderInfo> finalList = null; 5810 // reader 5811 synchronized (mPackages) { 5812 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5813 while (i.hasNext()) { 5814 final PackageParser.Provider p = i.next(); 5815 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5816 if (ps != null && p.info.authority != null 5817 && (processName == null 5818 || (p.info.processName.equals(processName) 5819 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5820 && mSettings.isEnabledAndVisibleLPr(p.info, flags, userId) 5821 && (!mSafeMode 5822 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5823 if (finalList == null) { 5824 finalList = new ArrayList<ProviderInfo>(3); 5825 } 5826 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5827 ps.readUserState(userId), userId); 5828 if (info != null) { 5829 finalList.add(info); 5830 } 5831 } 5832 } 5833 } 5834 5835 if (finalList != null) { 5836 Collections.sort(finalList, mProviderInitOrderSorter); 5837 return new ParceledListSlice<ProviderInfo>(finalList); 5838 } 5839 5840 return null; 5841 } 5842 5843 @Override 5844 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 5845 int flags) { 5846 // reader 5847 synchronized (mPackages) { 5848 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5849 return PackageParser.generateInstrumentationInfo(i, flags); 5850 } 5851 } 5852 5853 @Override 5854 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 5855 int flags) { 5856 ArrayList<InstrumentationInfo> finalList = 5857 new ArrayList<InstrumentationInfo>(); 5858 5859 // reader 5860 synchronized (mPackages) { 5861 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 5862 while (i.hasNext()) { 5863 final PackageParser.Instrumentation p = i.next(); 5864 if (targetPackage == null 5865 || targetPackage.equals(p.info.targetPackage)) { 5866 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 5867 flags); 5868 if (ii != null) { 5869 finalList.add(ii); 5870 } 5871 } 5872 } 5873 } 5874 5875 return finalList; 5876 } 5877 5878 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 5879 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 5880 if (overlays == null) { 5881 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 5882 return; 5883 } 5884 for (PackageParser.Package opkg : overlays.values()) { 5885 // Not much to do if idmap fails: we already logged the error 5886 // and we certainly don't want to abort installation of pkg simply 5887 // because an overlay didn't fit properly. For these reasons, 5888 // ignore the return value of createIdmapForPackagePairLI. 5889 createIdmapForPackagePairLI(pkg, opkg); 5890 } 5891 } 5892 5893 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 5894 PackageParser.Package opkg) { 5895 if (!opkg.mTrustedOverlay) { 5896 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 5897 opkg.baseCodePath + ": overlay not trusted"); 5898 return false; 5899 } 5900 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 5901 if (overlaySet == null) { 5902 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 5903 opkg.baseCodePath + " but target package has no known overlays"); 5904 return false; 5905 } 5906 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 5907 // TODO: generate idmap for split APKs 5908 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 5909 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 5910 + opkg.baseCodePath); 5911 return false; 5912 } 5913 PackageParser.Package[] overlayArray = 5914 overlaySet.values().toArray(new PackageParser.Package[0]); 5915 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 5916 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 5917 return p1.mOverlayPriority - p2.mOverlayPriority; 5918 } 5919 }; 5920 Arrays.sort(overlayArray, cmp); 5921 5922 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 5923 int i = 0; 5924 for (PackageParser.Package p : overlayArray) { 5925 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 5926 } 5927 return true; 5928 } 5929 5930 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5931 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 5932 try { 5933 scanDirLI(dir, parseFlags, scanFlags, currentTime); 5934 } finally { 5935 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5936 } 5937 } 5938 5939 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5940 final File[] files = dir.listFiles(); 5941 if (ArrayUtils.isEmpty(files)) { 5942 Log.d(TAG, "No files in app dir " + dir); 5943 return; 5944 } 5945 5946 if (DEBUG_PACKAGE_SCANNING) { 5947 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 5948 + " flags=0x" + Integer.toHexString(parseFlags)); 5949 } 5950 5951 for (File file : files) { 5952 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 5953 && !PackageInstallerService.isStageName(file.getName()); 5954 if (!isPackage) { 5955 // Ignore entries which are not packages 5956 continue; 5957 } 5958 try { 5959 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 5960 scanFlags, currentTime, null); 5961 } catch (PackageManagerException e) { 5962 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 5963 5964 // Delete invalid userdata apps 5965 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 5966 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 5967 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 5968 if (file.isDirectory()) { 5969 mInstaller.rmPackageDir(file.getAbsolutePath()); 5970 } else { 5971 file.delete(); 5972 } 5973 } 5974 } 5975 } 5976 } 5977 5978 private static File getSettingsProblemFile() { 5979 File dataDir = Environment.getDataDirectory(); 5980 File systemDir = new File(dataDir, "system"); 5981 File fname = new File(systemDir, "uiderrors.txt"); 5982 return fname; 5983 } 5984 5985 static void reportSettingsProblem(int priority, String msg) { 5986 logCriticalInfo(priority, msg); 5987 } 5988 5989 static void logCriticalInfo(int priority, String msg) { 5990 Slog.println(priority, TAG, msg); 5991 EventLogTags.writePmCriticalInfo(msg); 5992 try { 5993 File fname = getSettingsProblemFile(); 5994 FileOutputStream out = new FileOutputStream(fname, true); 5995 PrintWriter pw = new FastPrintWriter(out); 5996 SimpleDateFormat formatter = new SimpleDateFormat(); 5997 String dateString = formatter.format(new Date(System.currentTimeMillis())); 5998 pw.println(dateString + ": " + msg); 5999 pw.close(); 6000 FileUtils.setPermissions( 6001 fname.toString(), 6002 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6003 -1, -1); 6004 } catch (java.io.IOException e) { 6005 } 6006 } 6007 6008 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 6009 PackageParser.Package pkg, File srcFile, int parseFlags) 6010 throws PackageManagerException { 6011 if (ps != null 6012 && ps.codePath.equals(srcFile) 6013 && ps.timeStamp == srcFile.lastModified() 6014 && !isCompatSignatureUpdateNeeded(pkg) 6015 && !isRecoverSignatureUpdateNeeded(pkg)) { 6016 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6017 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6018 ArraySet<PublicKey> signingKs; 6019 synchronized (mPackages) { 6020 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6021 } 6022 if (ps.signatures.mSignatures != null 6023 && ps.signatures.mSignatures.length != 0 6024 && signingKs != null) { 6025 // Optimization: reuse the existing cached certificates 6026 // if the package appears to be unchanged. 6027 pkg.mSignatures = ps.signatures.mSignatures; 6028 pkg.mSigningKeys = signingKs; 6029 return; 6030 } 6031 6032 Slog.w(TAG, "PackageSetting for " + ps.name 6033 + " is missing signatures. Collecting certs again to recover them."); 6034 } else { 6035 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6036 } 6037 6038 try { 6039 pp.collectCertificates(pkg, parseFlags); 6040 pp.collectManifestDigest(pkg); 6041 } catch (PackageParserException e) { 6042 throw PackageManagerException.from(e); 6043 } 6044 } 6045 6046 /** 6047 * Traces a package scan. 6048 * @see #scanPackageLI(File, int, int, long, UserHandle) 6049 */ 6050 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6051 long currentTime, UserHandle user) throws PackageManagerException { 6052 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6053 try { 6054 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6055 } finally { 6056 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6057 } 6058 } 6059 6060 /** 6061 * Scans a package and returns the newly parsed package. 6062 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6063 */ 6064 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6065 long currentTime, UserHandle user) throws PackageManagerException { 6066 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6067 parseFlags |= mDefParseFlags; 6068 PackageParser pp = new PackageParser(); 6069 pp.setSeparateProcesses(mSeparateProcesses); 6070 pp.setOnlyCoreApps(mOnlyCore); 6071 pp.setDisplayMetrics(mMetrics); 6072 6073 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6074 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6075 } 6076 6077 final PackageParser.Package pkg; 6078 try { 6079 pkg = pp.parsePackage(scanFile, parseFlags); 6080 } catch (PackageParserException e) { 6081 throw PackageManagerException.from(e); 6082 } 6083 6084 PackageSetting ps = null; 6085 PackageSetting updatedPkg; 6086 // reader 6087 synchronized (mPackages) { 6088 // Look to see if we already know about this package. 6089 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6090 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6091 // This package has been renamed to its original name. Let's 6092 // use that. 6093 ps = mSettings.peekPackageLPr(oldName); 6094 } 6095 // If there was no original package, see one for the real package name. 6096 if (ps == null) { 6097 ps = mSettings.peekPackageLPr(pkg.packageName); 6098 } 6099 // Check to see if this package could be hiding/updating a system 6100 // package. Must look for it either under the original or real 6101 // package name depending on our state. 6102 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6103 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6104 } 6105 boolean updatedPkgBetter = false; 6106 // First check if this is a system package that may involve an update 6107 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6108 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6109 // it needs to drop FLAG_PRIVILEGED. 6110 if (locationIsPrivileged(scanFile)) { 6111 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6112 } else { 6113 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6114 } 6115 6116 if (ps != null && !ps.codePath.equals(scanFile)) { 6117 // The path has changed from what was last scanned... check the 6118 // version of the new path against what we have stored to determine 6119 // what to do. 6120 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6121 if (pkg.mVersionCode <= ps.versionCode) { 6122 // The system package has been updated and the code path does not match 6123 // Ignore entry. Skip it. 6124 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6125 + " ignored: updated version " + ps.versionCode 6126 + " better than this " + pkg.mVersionCode); 6127 if (!updatedPkg.codePath.equals(scanFile)) { 6128 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 6129 + ps.name + " changing from " + updatedPkg.codePathString 6130 + " to " + scanFile); 6131 updatedPkg.codePath = scanFile; 6132 updatedPkg.codePathString = scanFile.toString(); 6133 updatedPkg.resourcePath = scanFile; 6134 updatedPkg.resourcePathString = scanFile.toString(); 6135 } 6136 updatedPkg.pkg = pkg; 6137 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6138 "Package " + ps.name + " at " + scanFile 6139 + " ignored: updated version " + ps.versionCode 6140 + " better than this " + pkg.mVersionCode); 6141 } else { 6142 // The current app on the system partition is better than 6143 // what we have updated to on the data partition; switch 6144 // back to the system partition version. 6145 // At this point, its safely assumed that package installation for 6146 // apps in system partition will go through. If not there won't be a working 6147 // version of the app 6148 // writer 6149 synchronized (mPackages) { 6150 // Just remove the loaded entries from package lists. 6151 mPackages.remove(ps.name); 6152 } 6153 6154 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6155 + " reverting from " + ps.codePathString 6156 + ": new version " + pkg.mVersionCode 6157 + " better than installed " + ps.versionCode); 6158 6159 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6160 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6161 synchronized (mInstallLock) { 6162 args.cleanUpResourcesLI(); 6163 } 6164 synchronized (mPackages) { 6165 mSettings.enableSystemPackageLPw(ps.name); 6166 } 6167 updatedPkgBetter = true; 6168 } 6169 } 6170 } 6171 6172 if (updatedPkg != null) { 6173 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6174 // initially 6175 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6176 6177 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6178 // flag set initially 6179 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6180 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6181 } 6182 } 6183 6184 // Verify certificates against what was last scanned 6185 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 6186 6187 /* 6188 * A new system app appeared, but we already had a non-system one of the 6189 * same name installed earlier. 6190 */ 6191 boolean shouldHideSystemApp = false; 6192 if (updatedPkg == null && ps != null 6193 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6194 /* 6195 * Check to make sure the signatures match first. If they don't, 6196 * wipe the installed application and its data. 6197 */ 6198 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6199 != PackageManager.SIGNATURE_MATCH) { 6200 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6201 + " signatures don't match existing userdata copy; removing"); 6202 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 6203 ps = null; 6204 } else { 6205 /* 6206 * If the newly-added system app is an older version than the 6207 * already installed version, hide it. It will be scanned later 6208 * and re-added like an update. 6209 */ 6210 if (pkg.mVersionCode <= ps.versionCode) { 6211 shouldHideSystemApp = true; 6212 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6213 + " but new version " + pkg.mVersionCode + " better than installed " 6214 + ps.versionCode + "; hiding system"); 6215 } else { 6216 /* 6217 * The newly found system app is a newer version that the 6218 * one previously installed. Simply remove the 6219 * already-installed application and replace it with our own 6220 * while keeping the application data. 6221 */ 6222 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6223 + " reverting from " + ps.codePathString + ": new version " 6224 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6225 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6226 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6227 synchronized (mInstallLock) { 6228 args.cleanUpResourcesLI(); 6229 } 6230 } 6231 } 6232 } 6233 6234 // The apk is forward locked (not public) if its code and resources 6235 // are kept in different files. (except for app in either system or 6236 // vendor path). 6237 // TODO grab this value from PackageSettings 6238 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6239 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6240 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6241 } 6242 } 6243 6244 // TODO: extend to support forward-locked splits 6245 String resourcePath = null; 6246 String baseResourcePath = null; 6247 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6248 if (ps != null && ps.resourcePathString != null) { 6249 resourcePath = ps.resourcePathString; 6250 baseResourcePath = ps.resourcePathString; 6251 } else { 6252 // Should not happen at all. Just log an error. 6253 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 6254 } 6255 } else { 6256 resourcePath = pkg.codePath; 6257 baseResourcePath = pkg.baseCodePath; 6258 } 6259 6260 // Set application objects path explicitly. 6261 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 6262 pkg.applicationInfo.setCodePath(pkg.codePath); 6263 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 6264 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 6265 pkg.applicationInfo.setResourcePath(resourcePath); 6266 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 6267 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 6268 6269 // Note that we invoke the following method only if we are about to unpack an application 6270 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6271 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6272 6273 /* 6274 * If the system app should be overridden by a previously installed 6275 * data, hide the system app now and let the /data/app scan pick it up 6276 * again. 6277 */ 6278 if (shouldHideSystemApp) { 6279 synchronized (mPackages) { 6280 mSettings.disableSystemPackageLPw(pkg.packageName); 6281 } 6282 } 6283 6284 return scannedPkg; 6285 } 6286 6287 private static String fixProcessName(String defProcessName, 6288 String processName, int uid) { 6289 if (processName == null) { 6290 return defProcessName; 6291 } 6292 return processName; 6293 } 6294 6295 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6296 throws PackageManagerException { 6297 if (pkgSetting.signatures.mSignatures != null) { 6298 // Already existing package. Make sure signatures match 6299 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6300 == PackageManager.SIGNATURE_MATCH; 6301 if (!match) { 6302 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6303 == PackageManager.SIGNATURE_MATCH; 6304 } 6305 if (!match) { 6306 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6307 == PackageManager.SIGNATURE_MATCH; 6308 } 6309 if (!match) { 6310 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6311 + pkg.packageName + " signatures do not match the " 6312 + "previously installed version; ignoring!"); 6313 } 6314 } 6315 6316 // Check for shared user signatures 6317 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6318 // Already existing package. Make sure signatures match 6319 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6320 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6321 if (!match) { 6322 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6323 == PackageManager.SIGNATURE_MATCH; 6324 } 6325 if (!match) { 6326 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6327 == PackageManager.SIGNATURE_MATCH; 6328 } 6329 if (!match) { 6330 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6331 "Package " + pkg.packageName 6332 + " has no signatures that match those in shared user " 6333 + pkgSetting.sharedUser.name + "; ignoring!"); 6334 } 6335 } 6336 } 6337 6338 /** 6339 * Enforces that only the system UID or root's UID can call a method exposed 6340 * via Binder. 6341 * 6342 * @param message used as message if SecurityException is thrown 6343 * @throws SecurityException if the caller is not system or root 6344 */ 6345 private static final void enforceSystemOrRoot(String message) { 6346 final int uid = Binder.getCallingUid(); 6347 if (uid != Process.SYSTEM_UID && uid != 0) { 6348 throw new SecurityException(message); 6349 } 6350 } 6351 6352 @Override 6353 public void performFstrimIfNeeded() { 6354 enforceSystemOrRoot("Only the system can request fstrim"); 6355 6356 // Before everything else, see whether we need to fstrim. 6357 try { 6358 IMountService ms = PackageHelper.getMountService(); 6359 if (ms != null) { 6360 final boolean isUpgrade = isUpgrade(); 6361 boolean doTrim = isUpgrade; 6362 if (doTrim) { 6363 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6364 } else { 6365 final long interval = android.provider.Settings.Global.getLong( 6366 mContext.getContentResolver(), 6367 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6368 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6369 if (interval > 0) { 6370 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6371 if (timeSinceLast > interval) { 6372 doTrim = true; 6373 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6374 + "; running immediately"); 6375 } 6376 } 6377 } 6378 if (doTrim) { 6379 if (!isFirstBoot()) { 6380 try { 6381 ActivityManagerNative.getDefault().showBootMessage( 6382 mContext.getResources().getString( 6383 R.string.android_upgrading_fstrim), true); 6384 } catch (RemoteException e) { 6385 } 6386 } 6387 ms.runMaintenance(); 6388 } 6389 } else { 6390 Slog.e(TAG, "Mount service unavailable!"); 6391 } 6392 } catch (RemoteException e) { 6393 // Can't happen; MountService is local 6394 } 6395 } 6396 6397 private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) { 6398 List<ResolveInfo> ris = null; 6399 try { 6400 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6401 intent, null, 0, userId); 6402 } catch (RemoteException e) { 6403 } 6404 ArraySet<String> pkgNames = new ArraySet<String>(); 6405 if (ris != null) { 6406 for (ResolveInfo ri : ris) { 6407 pkgNames.add(ri.activityInfo.packageName); 6408 } 6409 } 6410 return pkgNames; 6411 } 6412 6413 @Override 6414 public void notifyPackageUse(String packageName) { 6415 synchronized (mPackages) { 6416 PackageParser.Package p = mPackages.get(packageName); 6417 if (p == null) { 6418 return; 6419 } 6420 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6421 } 6422 } 6423 6424 @Override 6425 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6426 return performDexOptTraced(packageName, instructionSet); 6427 } 6428 6429 public boolean performDexOpt(String packageName, String instructionSet) { 6430 return performDexOptTraced(packageName, instructionSet); 6431 } 6432 6433 private boolean performDexOptTraced(String packageName, String instructionSet) { 6434 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6435 try { 6436 return performDexOptInternal(packageName, instructionSet); 6437 } finally { 6438 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6439 } 6440 } 6441 6442 private boolean performDexOptInternal(String packageName, String instructionSet) { 6443 PackageParser.Package p; 6444 final String targetInstructionSet; 6445 synchronized (mPackages) { 6446 p = mPackages.get(packageName); 6447 if (p == null) { 6448 return false; 6449 } 6450 mPackageUsage.write(false); 6451 6452 targetInstructionSet = instructionSet != null ? instructionSet : 6453 getPrimaryInstructionSet(p.applicationInfo); 6454 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6455 return false; 6456 } 6457 } 6458 long callingId = Binder.clearCallingIdentity(); 6459 try { 6460 synchronized (mInstallLock) { 6461 final String[] instructionSets = new String[] { targetInstructionSet }; 6462 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6463 true /* inclDependencies */); 6464 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6465 } 6466 } finally { 6467 Binder.restoreCallingIdentity(callingId); 6468 } 6469 } 6470 6471 public ArraySet<String> getPackagesThatNeedDexOpt() { 6472 ArraySet<String> pkgs = null; 6473 synchronized (mPackages) { 6474 for (PackageParser.Package p : mPackages.values()) { 6475 if (DEBUG_DEXOPT) { 6476 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6477 } 6478 if (!p.mDexOptPerformed.isEmpty()) { 6479 continue; 6480 } 6481 if (pkgs == null) { 6482 pkgs = new ArraySet<String>(); 6483 } 6484 pkgs.add(p.packageName); 6485 } 6486 } 6487 return pkgs; 6488 } 6489 6490 public void shutdown() { 6491 mPackageUsage.write(true); 6492 } 6493 6494 @Override 6495 public void forceDexOpt(String packageName) { 6496 enforceSystemOrRoot("forceDexOpt"); 6497 6498 PackageParser.Package pkg; 6499 synchronized (mPackages) { 6500 pkg = mPackages.get(packageName); 6501 if (pkg == null) { 6502 throw new IllegalArgumentException("Missing package: " + packageName); 6503 } 6504 } 6505 6506 synchronized (mInstallLock) { 6507 final String[] instructionSets = new String[] { 6508 getPrimaryInstructionSet(pkg.applicationInfo) }; 6509 6510 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6511 6512 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6513 true /* inclDependencies */); 6514 6515 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6516 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6517 throw new IllegalStateException("Failed to dexopt: " + res); 6518 } 6519 } 6520 } 6521 6522 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6523 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6524 Slog.w(TAG, "Unable to update from " + oldPkg.name 6525 + " to " + newPkg.packageName 6526 + ": old package not in system partition"); 6527 return false; 6528 } else if (mPackages.get(oldPkg.name) != null) { 6529 Slog.w(TAG, "Unable to update from " + oldPkg.name 6530 + " to " + newPkg.packageName 6531 + ": old package still exists"); 6532 return false; 6533 } 6534 return true; 6535 } 6536 6537 private void createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) 6538 throws PackageManagerException { 6539 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6540 if (res != 0) { 6541 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6542 "Failed to install " + packageName + ": " + res); 6543 } 6544 6545 final int[] users = sUserManager.getUserIds(); 6546 for (int user : users) { 6547 if (user != 0) { 6548 res = mInstaller.createUserData(volumeUuid, packageName, 6549 UserHandle.getUid(user, uid), user, seinfo); 6550 if (res != 0) { 6551 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6552 "Failed to createUserData " + packageName + ": " + res); 6553 } 6554 } 6555 } 6556 } 6557 6558 private int removeDataDirsLI(String volumeUuid, String packageName) { 6559 int[] users = sUserManager.getUserIds(); 6560 int res = 0; 6561 for (int user : users) { 6562 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6563 if (resInner < 0) { 6564 res = resInner; 6565 } 6566 } 6567 6568 return res; 6569 } 6570 6571 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6572 int[] users = sUserManager.getUserIds(); 6573 int res = 0; 6574 for (int user : users) { 6575 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6576 if (resInner < 0) { 6577 res = resInner; 6578 } 6579 } 6580 return res; 6581 } 6582 6583 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6584 PackageParser.Package changingLib) { 6585 if (file.path != null) { 6586 usesLibraryFiles.add(file.path); 6587 return; 6588 } 6589 PackageParser.Package p = mPackages.get(file.apk); 6590 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6591 // If we are doing this while in the middle of updating a library apk, 6592 // then we need to make sure to use that new apk for determining the 6593 // dependencies here. (We haven't yet finished committing the new apk 6594 // to the package manager state.) 6595 if (p == null || p.packageName.equals(changingLib.packageName)) { 6596 p = changingLib; 6597 } 6598 } 6599 if (p != null) { 6600 usesLibraryFiles.addAll(p.getAllCodePaths()); 6601 } 6602 } 6603 6604 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6605 PackageParser.Package changingLib) throws PackageManagerException { 6606 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6607 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6608 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6609 for (int i=0; i<N; i++) { 6610 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6611 if (file == null) { 6612 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6613 "Package " + pkg.packageName + " requires unavailable shared library " 6614 + pkg.usesLibraries.get(i) + "; failing!"); 6615 } 6616 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6617 } 6618 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6619 for (int i=0; i<N; i++) { 6620 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6621 if (file == null) { 6622 Slog.w(TAG, "Package " + pkg.packageName 6623 + " desires unavailable shared library " 6624 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6625 } else { 6626 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6627 } 6628 } 6629 N = usesLibraryFiles.size(); 6630 if (N > 0) { 6631 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6632 } else { 6633 pkg.usesLibraryFiles = null; 6634 } 6635 } 6636 } 6637 6638 private static boolean hasString(List<String> list, List<String> which) { 6639 if (list == null) { 6640 return false; 6641 } 6642 for (int i=list.size()-1; i>=0; i--) { 6643 for (int j=which.size()-1; j>=0; j--) { 6644 if (which.get(j).equals(list.get(i))) { 6645 return true; 6646 } 6647 } 6648 } 6649 return false; 6650 } 6651 6652 private void updateAllSharedLibrariesLPw() { 6653 for (PackageParser.Package pkg : mPackages.values()) { 6654 try { 6655 updateSharedLibrariesLPw(pkg, null); 6656 } catch (PackageManagerException e) { 6657 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6658 } 6659 } 6660 } 6661 6662 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6663 PackageParser.Package changingPkg) { 6664 ArrayList<PackageParser.Package> res = null; 6665 for (PackageParser.Package pkg : mPackages.values()) { 6666 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6667 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6668 if (res == null) { 6669 res = new ArrayList<PackageParser.Package>(); 6670 } 6671 res.add(pkg); 6672 try { 6673 updateSharedLibrariesLPw(pkg, changingPkg); 6674 } catch (PackageManagerException e) { 6675 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6676 } 6677 } 6678 } 6679 return res; 6680 } 6681 6682 /** 6683 * Derive the value of the {@code cpuAbiOverride} based on the provided 6684 * value and an optional stored value from the package settings. 6685 */ 6686 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6687 String cpuAbiOverride = null; 6688 6689 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6690 cpuAbiOverride = null; 6691 } else if (abiOverride != null) { 6692 cpuAbiOverride = abiOverride; 6693 } else if (settings != null) { 6694 cpuAbiOverride = settings.cpuAbiOverrideString; 6695 } 6696 6697 return cpuAbiOverride; 6698 } 6699 6700 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 6701 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6702 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6703 try { 6704 return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 6705 } finally { 6706 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6707 } 6708 } 6709 6710 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6711 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6712 boolean success = false; 6713 try { 6714 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6715 currentTime, user); 6716 success = true; 6717 return res; 6718 } finally { 6719 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6720 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6721 } 6722 } 6723 } 6724 6725 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6726 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6727 final File scanFile = new File(pkg.codePath); 6728 if (pkg.applicationInfo.getCodePath() == null || 6729 pkg.applicationInfo.getResourcePath() == null) { 6730 // Bail out. The resource and code paths haven't been set. 6731 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6732 "Code and resource paths haven't been set correctly"); 6733 } 6734 6735 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6736 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6737 } else { 6738 // Only allow system apps to be flagged as core apps. 6739 pkg.coreApp = false; 6740 } 6741 6742 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6743 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6744 } 6745 6746 if (mCustomResolverComponentName != null && 6747 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6748 setUpCustomResolverActivity(pkg); 6749 } 6750 6751 if (pkg.packageName.equals("android")) { 6752 synchronized (mPackages) { 6753 if (mAndroidApplication != null) { 6754 Slog.w(TAG, "*************************************************"); 6755 Slog.w(TAG, "Core android package being redefined. Skipping."); 6756 Slog.w(TAG, " file=" + scanFile); 6757 Slog.w(TAG, "*************************************************"); 6758 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6759 "Core android package being redefined. Skipping."); 6760 } 6761 6762 // Set up information for our fall-back user intent resolution activity. 6763 mPlatformPackage = pkg; 6764 pkg.mVersionCode = mSdkVersion; 6765 mAndroidApplication = pkg.applicationInfo; 6766 6767 if (!mResolverReplaced) { 6768 mResolveActivity.applicationInfo = mAndroidApplication; 6769 mResolveActivity.name = ResolverActivity.class.getName(); 6770 mResolveActivity.packageName = mAndroidApplication.packageName; 6771 mResolveActivity.processName = "system:ui"; 6772 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6773 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6774 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6775 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6776 mResolveActivity.exported = true; 6777 mResolveActivity.enabled = true; 6778 mResolveInfo.activityInfo = mResolveActivity; 6779 mResolveInfo.priority = 0; 6780 mResolveInfo.preferredOrder = 0; 6781 mResolveInfo.match = 0; 6782 mResolveComponentName = new ComponentName( 6783 mAndroidApplication.packageName, mResolveActivity.name); 6784 } 6785 } 6786 } 6787 6788 if (DEBUG_PACKAGE_SCANNING) { 6789 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6790 Log.d(TAG, "Scanning package " + pkg.packageName); 6791 } 6792 6793 if (mPackages.containsKey(pkg.packageName) 6794 || mSharedLibraries.containsKey(pkg.packageName)) { 6795 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6796 "Application package " + pkg.packageName 6797 + " already installed. Skipping duplicate."); 6798 } 6799 6800 // If we're only installing presumed-existing packages, require that the 6801 // scanned APK is both already known and at the path previously established 6802 // for it. Previously unknown packages we pick up normally, but if we have an 6803 // a priori expectation about this package's install presence, enforce it. 6804 // With a singular exception for new system packages. When an OTA contains 6805 // a new system package, we allow the codepath to change from a system location 6806 // to the user-installed location. If we don't allow this change, any newer, 6807 // user-installed version of the application will be ignored. 6808 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6809 if (mExpectingBetter.containsKey(pkg.packageName)) { 6810 logCriticalInfo(Log.WARN, 6811 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6812 } else { 6813 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6814 if (known != null) { 6815 if (DEBUG_PACKAGE_SCANNING) { 6816 Log.d(TAG, "Examining " + pkg.codePath 6817 + " and requiring known paths " + known.codePathString 6818 + " & " + known.resourcePathString); 6819 } 6820 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6821 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6822 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6823 "Application package " + pkg.packageName 6824 + " found at " + pkg.applicationInfo.getCodePath() 6825 + " but expected at " + known.codePathString + "; ignoring."); 6826 } 6827 } 6828 } 6829 } 6830 6831 // Initialize package source and resource directories 6832 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6833 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6834 6835 SharedUserSetting suid = null; 6836 PackageSetting pkgSetting = null; 6837 6838 if (!isSystemApp(pkg)) { 6839 // Only system apps can use these features. 6840 pkg.mOriginalPackages = null; 6841 pkg.mRealPackage = null; 6842 pkg.mAdoptPermissions = null; 6843 } 6844 6845 // writer 6846 synchronized (mPackages) { 6847 if (pkg.mSharedUserId != null) { 6848 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6849 if (suid == null) { 6850 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6851 "Creating application package " + pkg.packageName 6852 + " for shared user failed"); 6853 } 6854 if (DEBUG_PACKAGE_SCANNING) { 6855 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6856 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 6857 + "): packages=" + suid.packages); 6858 } 6859 } 6860 6861 // Check if we are renaming from an original package name. 6862 PackageSetting origPackage = null; 6863 String realName = null; 6864 if (pkg.mOriginalPackages != null) { 6865 // This package may need to be renamed to a previously 6866 // installed name. Let's check on that... 6867 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 6868 if (pkg.mOriginalPackages.contains(renamed)) { 6869 // This package had originally been installed as the 6870 // original name, and we have already taken care of 6871 // transitioning to the new one. Just update the new 6872 // one to continue using the old name. 6873 realName = pkg.mRealPackage; 6874 if (!pkg.packageName.equals(renamed)) { 6875 // Callers into this function may have already taken 6876 // care of renaming the package; only do it here if 6877 // it is not already done. 6878 pkg.setPackageName(renamed); 6879 } 6880 6881 } else { 6882 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 6883 if ((origPackage = mSettings.peekPackageLPr( 6884 pkg.mOriginalPackages.get(i))) != null) { 6885 // We do have the package already installed under its 6886 // original name... should we use it? 6887 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 6888 // New package is not compatible with original. 6889 origPackage = null; 6890 continue; 6891 } else if (origPackage.sharedUser != null) { 6892 // Make sure uid is compatible between packages. 6893 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 6894 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 6895 + " to " + pkg.packageName + ": old uid " 6896 + origPackage.sharedUser.name 6897 + " differs from " + pkg.mSharedUserId); 6898 origPackage = null; 6899 continue; 6900 } 6901 } else { 6902 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 6903 + pkg.packageName + " to old name " + origPackage.name); 6904 } 6905 break; 6906 } 6907 } 6908 } 6909 } 6910 6911 if (mTransferedPackages.contains(pkg.packageName)) { 6912 Slog.w(TAG, "Package " + pkg.packageName 6913 + " was transferred to another, but its .apk remains"); 6914 } 6915 6916 // Just create the setting, don't add it yet. For already existing packages 6917 // the PkgSetting exists already and doesn't have to be created. 6918 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 6919 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 6920 pkg.applicationInfo.primaryCpuAbi, 6921 pkg.applicationInfo.secondaryCpuAbi, 6922 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 6923 user, false); 6924 if (pkgSetting == null) { 6925 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6926 "Creating application package " + pkg.packageName + " failed"); 6927 } 6928 6929 if (pkgSetting.origPackage != null) { 6930 // If we are first transitioning from an original package, 6931 // fix up the new package's name now. We need to do this after 6932 // looking up the package under its new name, so getPackageLP 6933 // can take care of fiddling things correctly. 6934 pkg.setPackageName(origPackage.name); 6935 6936 // File a report about this. 6937 String msg = "New package " + pkgSetting.realName 6938 + " renamed to replace old package " + pkgSetting.name; 6939 reportSettingsProblem(Log.WARN, msg); 6940 6941 // Make a note of it. 6942 mTransferedPackages.add(origPackage.name); 6943 6944 // No longer need to retain this. 6945 pkgSetting.origPackage = null; 6946 } 6947 6948 if (realName != null) { 6949 // Make a note of it. 6950 mTransferedPackages.add(pkg.packageName); 6951 } 6952 6953 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 6954 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 6955 } 6956 6957 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6958 // Check all shared libraries and map to their actual file path. 6959 // We only do this here for apps not on a system dir, because those 6960 // are the only ones that can fail an install due to this. We 6961 // will take care of the system apps by updating all of their 6962 // library paths after the scan is done. 6963 updateSharedLibrariesLPw(pkg, null); 6964 } 6965 6966 if (mFoundPolicyFile) { 6967 SELinuxMMAC.assignSeinfoValue(pkg); 6968 } 6969 6970 pkg.applicationInfo.uid = pkgSetting.appId; 6971 pkg.mExtras = pkgSetting; 6972 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 6973 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 6974 // We just determined the app is signed correctly, so bring 6975 // over the latest parsed certs. 6976 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6977 } else { 6978 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6979 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6980 "Package " + pkg.packageName + " upgrade keys do not match the " 6981 + "previously installed version"); 6982 } else { 6983 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6984 String msg = "System package " + pkg.packageName 6985 + " signature changed; retaining data."; 6986 reportSettingsProblem(Log.WARN, msg); 6987 } 6988 } 6989 } else { 6990 try { 6991 verifySignaturesLP(pkgSetting, pkg); 6992 // We just determined the app is signed correctly, so bring 6993 // over the latest parsed certs. 6994 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6995 } catch (PackageManagerException e) { 6996 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6997 throw e; 6998 } 6999 // The signature has changed, but this package is in the system 7000 // image... let's recover! 7001 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7002 // However... if this package is part of a shared user, but it 7003 // doesn't match the signature of the shared user, let's fail. 7004 // What this means is that you can't change the signatures 7005 // associated with an overall shared user, which doesn't seem all 7006 // that unreasonable. 7007 if (pkgSetting.sharedUser != null) { 7008 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7009 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7010 throw new PackageManagerException( 7011 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7012 "Signature mismatch for shared user : " 7013 + pkgSetting.sharedUser); 7014 } 7015 } 7016 // File a report about this. 7017 String msg = "System package " + pkg.packageName 7018 + " signature changed; retaining data."; 7019 reportSettingsProblem(Log.WARN, msg); 7020 } 7021 } 7022 // Verify that this new package doesn't have any content providers 7023 // that conflict with existing packages. Only do this if the 7024 // package isn't already installed, since we don't want to break 7025 // things that are installed. 7026 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7027 final int N = pkg.providers.size(); 7028 int i; 7029 for (i=0; i<N; i++) { 7030 PackageParser.Provider p = pkg.providers.get(i); 7031 if (p.info.authority != null) { 7032 String names[] = p.info.authority.split(";"); 7033 for (int j = 0; j < names.length; j++) { 7034 if (mProvidersByAuthority.containsKey(names[j])) { 7035 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7036 final String otherPackageName = 7037 ((other != null && other.getComponentName() != null) ? 7038 other.getComponentName().getPackageName() : "?"); 7039 throw new PackageManagerException( 7040 INSTALL_FAILED_CONFLICTING_PROVIDER, 7041 "Can't install because provider name " + names[j] 7042 + " (in package " + pkg.applicationInfo.packageName 7043 + ") is already used by " + otherPackageName); 7044 } 7045 } 7046 } 7047 } 7048 } 7049 7050 if (pkg.mAdoptPermissions != null) { 7051 // This package wants to adopt ownership of permissions from 7052 // another package. 7053 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7054 final String origName = pkg.mAdoptPermissions.get(i); 7055 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7056 if (orig != null) { 7057 if (verifyPackageUpdateLPr(orig, pkg)) { 7058 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7059 + pkg.packageName); 7060 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7061 } 7062 } 7063 } 7064 } 7065 } 7066 7067 final String pkgName = pkg.packageName; 7068 7069 final long scanFileTime = scanFile.lastModified(); 7070 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7071 pkg.applicationInfo.processName = fixProcessName( 7072 pkg.applicationInfo.packageName, 7073 pkg.applicationInfo.processName, 7074 pkg.applicationInfo.uid); 7075 7076 if (pkg != mPlatformPackage) { 7077 // This is a normal package, need to make its data directory. 7078 final File dataPath = Environment.getDataUserCredentialEncryptedPackageDirectory( 7079 pkg.volumeUuid, UserHandle.USER_SYSTEM, pkg.packageName); 7080 7081 boolean uidError = false; 7082 if (dataPath.exists()) { 7083 int currentUid = 0; 7084 try { 7085 StructStat stat = Os.stat(dataPath.getPath()); 7086 currentUid = stat.st_uid; 7087 } catch (ErrnoException e) { 7088 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 7089 } 7090 7091 // If we have mismatched owners for the data path, we have a problem. 7092 if (currentUid != pkg.applicationInfo.uid) { 7093 boolean recovered = false; 7094 if (currentUid == 0) { 7095 // The directory somehow became owned by root. Wow. 7096 // This is probably because the system was stopped while 7097 // installd was in the middle of messing with its libs 7098 // directory. Ask installd to fix that. 7099 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 7100 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 7101 if (ret >= 0) { 7102 recovered = true; 7103 String msg = "Package " + pkg.packageName 7104 + " unexpectedly changed to uid 0; recovered to " + 7105 + pkg.applicationInfo.uid; 7106 reportSettingsProblem(Log.WARN, msg); 7107 } 7108 } 7109 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7110 || (scanFlags&SCAN_BOOTING) != 0)) { 7111 // If this is a system app, we can at least delete its 7112 // current data so the application will still work. 7113 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 7114 if (ret >= 0) { 7115 // TODO: Kill the processes first 7116 // Old data gone! 7117 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7118 ? "System package " : "Third party package "; 7119 String msg = prefix + pkg.packageName 7120 + " has changed from uid: " 7121 + currentUid + " to " 7122 + pkg.applicationInfo.uid + "; old data erased"; 7123 reportSettingsProblem(Log.WARN, msg); 7124 recovered = true; 7125 } 7126 if (!recovered) { 7127 mHasSystemUidErrors = true; 7128 } 7129 } else if (!recovered) { 7130 // If we allow this install to proceed, we will be broken. 7131 // Abort, abort! 7132 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 7133 "scanPackageLI"); 7134 } 7135 if (!recovered) { 7136 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 7137 + pkg.applicationInfo.uid + "/fs_" 7138 + currentUid; 7139 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 7140 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 7141 String msg = "Package " + pkg.packageName 7142 + " has mismatched uid: " 7143 + currentUid + " on disk, " 7144 + pkg.applicationInfo.uid + " in settings"; 7145 // writer 7146 synchronized (mPackages) { 7147 mSettings.mReadMessages.append(msg); 7148 mSettings.mReadMessages.append('\n'); 7149 uidError = true; 7150 if (!pkgSetting.uidError) { 7151 reportSettingsProblem(Log.ERROR, msg); 7152 } 7153 } 7154 } 7155 } 7156 7157 // Ensure that directories are prepared 7158 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7159 pkg.applicationInfo.seinfo); 7160 7161 if (mShouldRestoreconData) { 7162 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 7163 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 7164 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 7165 } 7166 } else { 7167 if (DEBUG_PACKAGE_SCANNING) { 7168 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7169 Log.v(TAG, "Want this data dir: " + dataPath); 7170 } 7171 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7172 pkg.applicationInfo.seinfo); 7173 } 7174 7175 // Get all of our default paths setup 7176 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7177 7178 pkgSetting.uidError = uidError; 7179 } 7180 7181 final String path = scanFile.getPath(); 7182 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7183 7184 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7185 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7186 7187 // Some system apps still use directory structure for native libraries 7188 // in which case we might end up not detecting abi solely based on apk 7189 // structure. Try to detect abi based on directory structure. 7190 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7191 pkg.applicationInfo.primaryCpuAbi == null) { 7192 setBundledAppAbisAndRoots(pkg, pkgSetting); 7193 setNativeLibraryPaths(pkg); 7194 } 7195 7196 } else { 7197 if ((scanFlags & SCAN_MOVE) != 0) { 7198 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7199 // but we already have this packages package info in the PackageSetting. We just 7200 // use that and derive the native library path based on the new codepath. 7201 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7202 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7203 } 7204 7205 // Set native library paths again. For moves, the path will be updated based on the 7206 // ABIs we've determined above. For non-moves, the path will be updated based on the 7207 // ABIs we determined during compilation, but the path will depend on the final 7208 // package path (after the rename away from the stage path). 7209 setNativeLibraryPaths(pkg); 7210 } 7211 7212 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 7213 final int[] userIds = sUserManager.getUserIds(); 7214 synchronized (mInstallLock) { 7215 // Make sure all user data directories are ready to roll; we're okay 7216 // if they already exist 7217 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 7218 for (int userId : userIds) { 7219 if (userId != UserHandle.USER_SYSTEM) { 7220 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 7221 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 7222 pkg.applicationInfo.seinfo); 7223 } 7224 } 7225 } 7226 7227 // Create a native library symlink only if we have native libraries 7228 // and if the native libraries are 32 bit libraries. We do not provide 7229 // this symlink for 64 bit libraries. 7230 if (pkg.applicationInfo.primaryCpuAbi != null && 7231 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7232 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "linkNativeLib"); 7233 try { 7234 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7235 for (int userId : userIds) { 7236 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7237 nativeLibPath, userId) < 0) { 7238 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7239 "Failed linking native library dir (user=" + userId + ")"); 7240 } 7241 } 7242 } finally { 7243 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7244 } 7245 } 7246 } 7247 7248 // This is a special case for the "system" package, where the ABI is 7249 // dictated by the zygote configuration (and init.rc). We should keep track 7250 // of this ABI so that we can deal with "normal" applications that run under 7251 // the same UID correctly. 7252 if (mPlatformPackage == pkg) { 7253 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7254 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7255 } 7256 7257 // If there's a mismatch between the abi-override in the package setting 7258 // and the abiOverride specified for the install. Warn about this because we 7259 // would've already compiled the app without taking the package setting into 7260 // account. 7261 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7262 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7263 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7264 " for package: " + pkg.packageName); 7265 } 7266 } 7267 7268 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7269 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7270 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7271 7272 // Copy the derived override back to the parsed package, so that we can 7273 // update the package settings accordingly. 7274 pkg.cpuAbiOverride = cpuAbiOverride; 7275 7276 if (DEBUG_ABI_SELECTION) { 7277 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7278 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7279 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7280 } 7281 7282 // Push the derived path down into PackageSettings so we know what to 7283 // clean up at uninstall time. 7284 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7285 7286 if (DEBUG_ABI_SELECTION) { 7287 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7288 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7289 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7290 } 7291 7292 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7293 // We don't do this here during boot because we can do it all 7294 // at once after scanning all existing packages. 7295 // 7296 // We also do this *before* we perform dexopt on this package, so that 7297 // we can avoid redundant dexopts, and also to make sure we've got the 7298 // code and package path correct. 7299 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7300 pkg, true /* boot complete */); 7301 } 7302 7303 if (mFactoryTest && pkg.requestedPermissions.contains( 7304 android.Manifest.permission.FACTORY_TEST)) { 7305 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7306 } 7307 7308 ArrayList<PackageParser.Package> clientLibPkgs = null; 7309 7310 // writer 7311 synchronized (mPackages) { 7312 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7313 // Only system apps can add new shared libraries. 7314 if (pkg.libraryNames != null) { 7315 for (int i=0; i<pkg.libraryNames.size(); i++) { 7316 String name = pkg.libraryNames.get(i); 7317 boolean allowed = false; 7318 if (pkg.isUpdatedSystemApp()) { 7319 // New library entries can only be added through the 7320 // system image. This is important to get rid of a lot 7321 // of nasty edge cases: for example if we allowed a non- 7322 // system update of the app to add a library, then uninstalling 7323 // the update would make the library go away, and assumptions 7324 // we made such as through app install filtering would now 7325 // have allowed apps on the device which aren't compatible 7326 // with it. Better to just have the restriction here, be 7327 // conservative, and create many fewer cases that can negatively 7328 // impact the user experience. 7329 final PackageSetting sysPs = mSettings 7330 .getDisabledSystemPkgLPr(pkg.packageName); 7331 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7332 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7333 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7334 allowed = true; 7335 break; 7336 } 7337 } 7338 } 7339 } else { 7340 allowed = true; 7341 } 7342 if (allowed) { 7343 if (!mSharedLibraries.containsKey(name)) { 7344 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7345 } else if (!name.equals(pkg.packageName)) { 7346 Slog.w(TAG, "Package " + pkg.packageName + " library " 7347 + name + " already exists; skipping"); 7348 } 7349 } else { 7350 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7351 + name + " that is not declared on system image; skipping"); 7352 } 7353 } 7354 if ((scanFlags & SCAN_BOOTING) == 0) { 7355 // If we are not booting, we need to update any applications 7356 // that are clients of our shared library. If we are booting, 7357 // this will all be done once the scan is complete. 7358 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7359 } 7360 } 7361 } 7362 } 7363 7364 // Request the ActivityManager to kill the process(only for existing packages) 7365 // so that we do not end up in a confused state while the user is still using the older 7366 // version of the application while the new one gets installed. 7367 if ((scanFlags & SCAN_REPLACING) != 0) { 7368 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7369 7370 killApplication(pkg.applicationInfo.packageName, 7371 pkg.applicationInfo.uid, "replace pkg"); 7372 7373 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7374 } 7375 7376 // Also need to kill any apps that are dependent on the library. 7377 if (clientLibPkgs != null) { 7378 for (int i=0; i<clientLibPkgs.size(); i++) { 7379 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7380 killApplication(clientPkg.applicationInfo.packageName, 7381 clientPkg.applicationInfo.uid, "update lib"); 7382 } 7383 } 7384 7385 // Make sure we're not adding any bogus keyset info 7386 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7387 ksms.assertScannedPackageValid(pkg); 7388 7389 // writer 7390 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7391 7392 boolean createIdmapFailed = false; 7393 synchronized (mPackages) { 7394 // We don't expect installation to fail beyond this point 7395 7396 // Add the new setting to mSettings 7397 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7398 // Add the new setting to mPackages 7399 mPackages.put(pkg.applicationInfo.packageName, pkg); 7400 // Make sure we don't accidentally delete its data. 7401 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7402 while (iter.hasNext()) { 7403 PackageCleanItem item = iter.next(); 7404 if (pkgName.equals(item.packageName)) { 7405 iter.remove(); 7406 } 7407 } 7408 7409 // Take care of first install / last update times. 7410 if (currentTime != 0) { 7411 if (pkgSetting.firstInstallTime == 0) { 7412 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7413 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7414 pkgSetting.lastUpdateTime = currentTime; 7415 } 7416 } else if (pkgSetting.firstInstallTime == 0) { 7417 // We need *something*. Take time time stamp of the file. 7418 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7419 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7420 if (scanFileTime != pkgSetting.timeStamp) { 7421 // A package on the system image has changed; consider this 7422 // to be an update. 7423 pkgSetting.lastUpdateTime = scanFileTime; 7424 } 7425 } 7426 7427 // Add the package's KeySets to the global KeySetManagerService 7428 ksms.addScannedPackageLPw(pkg); 7429 7430 int N = pkg.providers.size(); 7431 StringBuilder r = null; 7432 int i; 7433 for (i=0; i<N; i++) { 7434 PackageParser.Provider p = pkg.providers.get(i); 7435 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7436 p.info.processName, pkg.applicationInfo.uid); 7437 mProviders.addProvider(p); 7438 p.syncable = p.info.isSyncable; 7439 if (p.info.authority != null) { 7440 String names[] = p.info.authority.split(";"); 7441 p.info.authority = null; 7442 for (int j = 0; j < names.length; j++) { 7443 if (j == 1 && p.syncable) { 7444 // We only want the first authority for a provider to possibly be 7445 // syncable, so if we already added this provider using a different 7446 // authority clear the syncable flag. We copy the provider before 7447 // changing it because the mProviders object contains a reference 7448 // to a provider that we don't want to change. 7449 // Only do this for the second authority since the resulting provider 7450 // object can be the same for all future authorities for this provider. 7451 p = new PackageParser.Provider(p); 7452 p.syncable = false; 7453 } 7454 if (!mProvidersByAuthority.containsKey(names[j])) { 7455 mProvidersByAuthority.put(names[j], p); 7456 if (p.info.authority == null) { 7457 p.info.authority = names[j]; 7458 } else { 7459 p.info.authority = p.info.authority + ";" + names[j]; 7460 } 7461 if (DEBUG_PACKAGE_SCANNING) { 7462 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7463 Log.d(TAG, "Registered content provider: " + names[j] 7464 + ", className = " + p.info.name + ", isSyncable = " 7465 + p.info.isSyncable); 7466 } 7467 } else { 7468 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7469 Slog.w(TAG, "Skipping provider name " + names[j] + 7470 " (in package " + pkg.applicationInfo.packageName + 7471 "): name already used by " 7472 + ((other != null && other.getComponentName() != null) 7473 ? other.getComponentName().getPackageName() : "?")); 7474 } 7475 } 7476 } 7477 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7478 if (r == null) { 7479 r = new StringBuilder(256); 7480 } else { 7481 r.append(' '); 7482 } 7483 r.append(p.info.name); 7484 } 7485 } 7486 if (r != null) { 7487 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7488 } 7489 7490 N = pkg.services.size(); 7491 r = null; 7492 for (i=0; i<N; i++) { 7493 PackageParser.Service s = pkg.services.get(i); 7494 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7495 s.info.processName, pkg.applicationInfo.uid); 7496 mServices.addService(s); 7497 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7498 if (r == null) { 7499 r = new StringBuilder(256); 7500 } else { 7501 r.append(' '); 7502 } 7503 r.append(s.info.name); 7504 } 7505 } 7506 if (r != null) { 7507 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7508 } 7509 7510 N = pkg.receivers.size(); 7511 r = null; 7512 for (i=0; i<N; i++) { 7513 PackageParser.Activity a = pkg.receivers.get(i); 7514 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7515 a.info.processName, pkg.applicationInfo.uid); 7516 mReceivers.addActivity(a, "receiver"); 7517 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7518 if (r == null) { 7519 r = new StringBuilder(256); 7520 } else { 7521 r.append(' '); 7522 } 7523 r.append(a.info.name); 7524 } 7525 } 7526 if (r != null) { 7527 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7528 } 7529 7530 N = pkg.activities.size(); 7531 r = null; 7532 for (i=0; i<N; i++) { 7533 PackageParser.Activity a = pkg.activities.get(i); 7534 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7535 a.info.processName, pkg.applicationInfo.uid); 7536 mActivities.addActivity(a, "activity"); 7537 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7538 if (r == null) { 7539 r = new StringBuilder(256); 7540 } else { 7541 r.append(' '); 7542 } 7543 r.append(a.info.name); 7544 } 7545 } 7546 if (r != null) { 7547 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7548 } 7549 7550 N = pkg.permissionGroups.size(); 7551 r = null; 7552 for (i=0; i<N; i++) { 7553 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7554 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7555 if (cur == null) { 7556 mPermissionGroups.put(pg.info.name, pg); 7557 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7558 if (r == null) { 7559 r = new StringBuilder(256); 7560 } else { 7561 r.append(' '); 7562 } 7563 r.append(pg.info.name); 7564 } 7565 } else { 7566 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7567 + pg.info.packageName + " ignored: original from " 7568 + cur.info.packageName); 7569 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7570 if (r == null) { 7571 r = new StringBuilder(256); 7572 } else { 7573 r.append(' '); 7574 } 7575 r.append("DUP:"); 7576 r.append(pg.info.name); 7577 } 7578 } 7579 } 7580 if (r != null) { 7581 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7582 } 7583 7584 N = pkg.permissions.size(); 7585 r = null; 7586 for (i=0; i<N; i++) { 7587 PackageParser.Permission p = pkg.permissions.get(i); 7588 7589 // Assume by default that we did not install this permission into the system. 7590 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7591 7592 // Now that permission groups have a special meaning, we ignore permission 7593 // groups for legacy apps to prevent unexpected behavior. In particular, 7594 // permissions for one app being granted to someone just becuase they happen 7595 // to be in a group defined by another app (before this had no implications). 7596 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7597 p.group = mPermissionGroups.get(p.info.group); 7598 // Warn for a permission in an unknown group. 7599 if (p.info.group != null && p.group == null) { 7600 Slog.w(TAG, "Permission " + p.info.name + " from package " 7601 + p.info.packageName + " in an unknown group " + p.info.group); 7602 } 7603 } 7604 7605 ArrayMap<String, BasePermission> permissionMap = 7606 p.tree ? mSettings.mPermissionTrees 7607 : mSettings.mPermissions; 7608 BasePermission bp = permissionMap.get(p.info.name); 7609 7610 // Allow system apps to redefine non-system permissions 7611 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7612 final boolean currentOwnerIsSystem = (bp.perm != null 7613 && isSystemApp(bp.perm.owner)); 7614 if (isSystemApp(p.owner)) { 7615 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7616 // It's a built-in permission and no owner, take ownership now 7617 bp.packageSetting = pkgSetting; 7618 bp.perm = p; 7619 bp.uid = pkg.applicationInfo.uid; 7620 bp.sourcePackage = p.info.packageName; 7621 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7622 } else if (!currentOwnerIsSystem) { 7623 String msg = "New decl " + p.owner + " of permission " 7624 + p.info.name + " is system; overriding " + bp.sourcePackage; 7625 reportSettingsProblem(Log.WARN, msg); 7626 bp = null; 7627 } 7628 } 7629 } 7630 7631 if (bp == null) { 7632 bp = new BasePermission(p.info.name, p.info.packageName, 7633 BasePermission.TYPE_NORMAL); 7634 permissionMap.put(p.info.name, bp); 7635 } 7636 7637 if (bp.perm == null) { 7638 if (bp.sourcePackage == null 7639 || bp.sourcePackage.equals(p.info.packageName)) { 7640 BasePermission tree = findPermissionTreeLP(p.info.name); 7641 if (tree == null 7642 || tree.sourcePackage.equals(p.info.packageName)) { 7643 bp.packageSetting = pkgSetting; 7644 bp.perm = p; 7645 bp.uid = pkg.applicationInfo.uid; 7646 bp.sourcePackage = p.info.packageName; 7647 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7648 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7649 if (r == null) { 7650 r = new StringBuilder(256); 7651 } else { 7652 r.append(' '); 7653 } 7654 r.append(p.info.name); 7655 } 7656 } else { 7657 Slog.w(TAG, "Permission " + p.info.name + " from package " 7658 + p.info.packageName + " ignored: base tree " 7659 + tree.name + " is from package " 7660 + tree.sourcePackage); 7661 } 7662 } else { 7663 Slog.w(TAG, "Permission " + p.info.name + " from package " 7664 + p.info.packageName + " ignored: original from " 7665 + bp.sourcePackage); 7666 } 7667 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7668 if (r == null) { 7669 r = new StringBuilder(256); 7670 } else { 7671 r.append(' '); 7672 } 7673 r.append("DUP:"); 7674 r.append(p.info.name); 7675 } 7676 if (bp.perm == p) { 7677 bp.protectionLevel = p.info.protectionLevel; 7678 } 7679 } 7680 7681 if (r != null) { 7682 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7683 } 7684 7685 N = pkg.instrumentation.size(); 7686 r = null; 7687 for (i=0; i<N; i++) { 7688 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7689 a.info.packageName = pkg.applicationInfo.packageName; 7690 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7691 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7692 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7693 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7694 a.info.dataDir = pkg.applicationInfo.dataDir; 7695 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 7696 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 7697 7698 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7699 // need other information about the application, like the ABI and what not ? 7700 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7701 mInstrumentation.put(a.getComponentName(), a); 7702 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7703 if (r == null) { 7704 r = new StringBuilder(256); 7705 } else { 7706 r.append(' '); 7707 } 7708 r.append(a.info.name); 7709 } 7710 } 7711 if (r != null) { 7712 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7713 } 7714 7715 if (pkg.protectedBroadcasts != null) { 7716 N = pkg.protectedBroadcasts.size(); 7717 for (i=0; i<N; i++) { 7718 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7719 } 7720 } 7721 7722 pkgSetting.setTimeStamp(scanFileTime); 7723 7724 // Create idmap files for pairs of (packages, overlay packages). 7725 // Note: "android", ie framework-res.apk, is handled by native layers. 7726 if (pkg.mOverlayTarget != null) { 7727 // This is an overlay package. 7728 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7729 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7730 mOverlays.put(pkg.mOverlayTarget, 7731 new ArrayMap<String, PackageParser.Package>()); 7732 } 7733 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7734 map.put(pkg.packageName, pkg); 7735 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7736 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7737 createIdmapFailed = true; 7738 } 7739 } 7740 } else if (mOverlays.containsKey(pkg.packageName) && 7741 !pkg.packageName.equals("android")) { 7742 // This is a regular package, with one or more known overlay packages. 7743 createIdmapsForPackageLI(pkg); 7744 } 7745 } 7746 7747 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7748 7749 if (createIdmapFailed) { 7750 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7751 "scanPackageLI failed to createIdmap"); 7752 } 7753 return pkg; 7754 } 7755 7756 /** 7757 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7758 * is derived purely on the basis of the contents of {@code scanFile} and 7759 * {@code cpuAbiOverride}. 7760 * 7761 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7762 */ 7763 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7764 String cpuAbiOverride, boolean extractLibs) 7765 throws PackageManagerException { 7766 // TODO: We can probably be smarter about this stuff. For installed apps, 7767 // we can calculate this information at install time once and for all. For 7768 // system apps, we can probably assume that this information doesn't change 7769 // after the first boot scan. As things stand, we do lots of unnecessary work. 7770 7771 // Give ourselves some initial paths; we'll come back for another 7772 // pass once we've determined ABI below. 7773 setNativeLibraryPaths(pkg); 7774 7775 // We would never need to extract libs for forward-locked and external packages, 7776 // since the container service will do it for us. We shouldn't attempt to 7777 // extract libs from system app when it was not updated. 7778 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 7779 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 7780 extractLibs = false; 7781 } 7782 7783 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7784 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7785 7786 NativeLibraryHelper.Handle handle = null; 7787 try { 7788 handle = NativeLibraryHelper.Handle.create(pkg); 7789 // TODO(multiArch): This can be null for apps that didn't go through the 7790 // usual installation process. We can calculate it again, like we 7791 // do during install time. 7792 // 7793 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7794 // unnecessary. 7795 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7796 7797 // Null out the abis so that they can be recalculated. 7798 pkg.applicationInfo.primaryCpuAbi = null; 7799 pkg.applicationInfo.secondaryCpuAbi = null; 7800 if (isMultiArch(pkg.applicationInfo)) { 7801 // Warn if we've set an abiOverride for multi-lib packages.. 7802 // By definition, we need to copy both 32 and 64 bit libraries for 7803 // such packages. 7804 if (pkg.cpuAbiOverride != null 7805 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7806 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7807 } 7808 7809 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7810 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7811 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7812 if (extractLibs) { 7813 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7814 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7815 useIsaSpecificSubdirs); 7816 } else { 7817 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7818 } 7819 } 7820 7821 maybeThrowExceptionForMultiArchCopy( 7822 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7823 7824 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7825 if (extractLibs) { 7826 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7827 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7828 useIsaSpecificSubdirs); 7829 } else { 7830 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7831 } 7832 } 7833 7834 maybeThrowExceptionForMultiArchCopy( 7835 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7836 7837 if (abi64 >= 0) { 7838 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7839 } 7840 7841 if (abi32 >= 0) { 7842 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7843 if (abi64 >= 0) { 7844 pkg.applicationInfo.secondaryCpuAbi = abi; 7845 } else { 7846 pkg.applicationInfo.primaryCpuAbi = abi; 7847 } 7848 } 7849 } else { 7850 String[] abiList = (cpuAbiOverride != null) ? 7851 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7852 7853 // Enable gross and lame hacks for apps that are built with old 7854 // SDK tools. We must scan their APKs for renderscript bitcode and 7855 // not launch them if it's present. Don't bother checking on devices 7856 // that don't have 64 bit support. 7857 boolean needsRenderScriptOverride = false; 7858 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7859 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7860 abiList = Build.SUPPORTED_32_BIT_ABIS; 7861 needsRenderScriptOverride = true; 7862 } 7863 7864 final int copyRet; 7865 if (extractLibs) { 7866 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7867 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7868 } else { 7869 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7870 } 7871 7872 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7873 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7874 "Error unpackaging native libs for app, errorCode=" + copyRet); 7875 } 7876 7877 if (copyRet >= 0) { 7878 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7879 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7880 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7881 } else if (needsRenderScriptOverride) { 7882 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7883 } 7884 } 7885 } catch (IOException ioe) { 7886 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7887 } finally { 7888 IoUtils.closeQuietly(handle); 7889 } 7890 7891 // Now that we've calculated the ABIs and determined if it's an internal app, 7892 // we will go ahead and populate the nativeLibraryPath. 7893 setNativeLibraryPaths(pkg); 7894 } 7895 7896 /** 7897 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7898 * i.e, so that all packages can be run inside a single process if required. 7899 * 7900 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7901 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7902 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7903 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7904 * updating a package that belongs to a shared user. 7905 * 7906 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7907 * adds unnecessary complexity. 7908 */ 7909 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7910 PackageParser.Package scannedPackage, boolean bootComplete) { 7911 String requiredInstructionSet = null; 7912 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7913 requiredInstructionSet = VMRuntime.getInstructionSet( 7914 scannedPackage.applicationInfo.primaryCpuAbi); 7915 } 7916 7917 PackageSetting requirer = null; 7918 for (PackageSetting ps : packagesForUser) { 7919 // If packagesForUser contains scannedPackage, we skip it. This will happen 7920 // when scannedPackage is an update of an existing package. Without this check, 7921 // we will never be able to change the ABI of any package belonging to a shared 7922 // user, even if it's compatible with other packages. 7923 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7924 if (ps.primaryCpuAbiString == null) { 7925 continue; 7926 } 7927 7928 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 7929 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 7930 // We have a mismatch between instruction sets (say arm vs arm64) warn about 7931 // this but there's not much we can do. 7932 String errorMessage = "Instruction set mismatch, " 7933 + ((requirer == null) ? "[caller]" : requirer) 7934 + " requires " + requiredInstructionSet + " whereas " + ps 7935 + " requires " + instructionSet; 7936 Slog.w(TAG, errorMessage); 7937 } 7938 7939 if (requiredInstructionSet == null) { 7940 requiredInstructionSet = instructionSet; 7941 requirer = ps; 7942 } 7943 } 7944 } 7945 7946 if (requiredInstructionSet != null) { 7947 String adjustedAbi; 7948 if (requirer != null) { 7949 // requirer != null implies that either scannedPackage was null or that scannedPackage 7950 // did not require an ABI, in which case we have to adjust scannedPackage to match 7951 // the ABI of the set (which is the same as requirer's ABI) 7952 adjustedAbi = requirer.primaryCpuAbiString; 7953 if (scannedPackage != null) { 7954 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 7955 } 7956 } else { 7957 // requirer == null implies that we're updating all ABIs in the set to 7958 // match scannedPackage. 7959 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 7960 } 7961 7962 for (PackageSetting ps : packagesForUser) { 7963 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7964 if (ps.primaryCpuAbiString != null) { 7965 continue; 7966 } 7967 7968 ps.primaryCpuAbiString = adjustedAbi; 7969 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7970 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 7971 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 7972 mInstaller.rmdex(ps.codePathString, 7973 getDexCodeInstructionSet(getPreferredInstructionSet())); 7974 } 7975 } 7976 } 7977 } 7978 } 7979 7980 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 7981 synchronized (mPackages) { 7982 mResolverReplaced = true; 7983 // Set up information for custom user intent resolution activity. 7984 mResolveActivity.applicationInfo = pkg.applicationInfo; 7985 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 7986 mResolveActivity.packageName = pkg.applicationInfo.packageName; 7987 mResolveActivity.processName = pkg.applicationInfo.packageName; 7988 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7989 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 7990 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 7991 mResolveActivity.theme = 0; 7992 mResolveActivity.exported = true; 7993 mResolveActivity.enabled = true; 7994 mResolveInfo.activityInfo = mResolveActivity; 7995 mResolveInfo.priority = 0; 7996 mResolveInfo.preferredOrder = 0; 7997 mResolveInfo.match = 0; 7998 mResolveComponentName = mCustomResolverComponentName; 7999 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8000 mResolveComponentName); 8001 } 8002 } 8003 8004 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8005 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8006 8007 // Set up information for ephemeral installer activity 8008 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8009 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8010 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8011 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8012 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8013 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8014 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8015 mEphemeralInstallerActivity.theme = 0; 8016 mEphemeralInstallerActivity.exported = true; 8017 mEphemeralInstallerActivity.enabled = true; 8018 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8019 mEphemeralInstallerInfo.priority = 0; 8020 mEphemeralInstallerInfo.preferredOrder = 0; 8021 mEphemeralInstallerInfo.match = 0; 8022 8023 if (DEBUG_EPHEMERAL) { 8024 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8025 } 8026 } 8027 8028 private static String calculateBundledApkRoot(final String codePathString) { 8029 final File codePath = new File(codePathString); 8030 final File codeRoot; 8031 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8032 codeRoot = Environment.getRootDirectory(); 8033 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8034 codeRoot = Environment.getOemDirectory(); 8035 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8036 codeRoot = Environment.getVendorDirectory(); 8037 } else { 8038 // Unrecognized code path; take its top real segment as the apk root: 8039 // e.g. /something/app/blah.apk => /something 8040 try { 8041 File f = codePath.getCanonicalFile(); 8042 File parent = f.getParentFile(); // non-null because codePath is a file 8043 File tmp; 8044 while ((tmp = parent.getParentFile()) != null) { 8045 f = parent; 8046 parent = tmp; 8047 } 8048 codeRoot = f; 8049 Slog.w(TAG, "Unrecognized code path " 8050 + codePath + " - using " + codeRoot); 8051 } catch (IOException e) { 8052 // Can't canonicalize the code path -- shenanigans? 8053 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8054 return Environment.getRootDirectory().getPath(); 8055 } 8056 } 8057 return codeRoot.getPath(); 8058 } 8059 8060 /** 8061 * Derive and set the location of native libraries for the given package, 8062 * which varies depending on where and how the package was installed. 8063 */ 8064 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8065 final ApplicationInfo info = pkg.applicationInfo; 8066 final String codePath = pkg.codePath; 8067 final File codeFile = new File(codePath); 8068 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8069 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8070 8071 info.nativeLibraryRootDir = null; 8072 info.nativeLibraryRootRequiresIsa = false; 8073 info.nativeLibraryDir = null; 8074 info.secondaryNativeLibraryDir = null; 8075 8076 if (isApkFile(codeFile)) { 8077 // Monolithic install 8078 if (bundledApp) { 8079 // If "/system/lib64/apkname" exists, assume that is the per-package 8080 // native library directory to use; otherwise use "/system/lib/apkname". 8081 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8082 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8083 getPrimaryInstructionSet(info)); 8084 8085 // This is a bundled system app so choose the path based on the ABI. 8086 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8087 // is just the default path. 8088 final String apkName = deriveCodePathName(codePath); 8089 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8090 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8091 apkName).getAbsolutePath(); 8092 8093 if (info.secondaryCpuAbi != null) { 8094 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8095 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8096 secondaryLibDir, apkName).getAbsolutePath(); 8097 } 8098 } else if (asecApp) { 8099 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8100 .getAbsolutePath(); 8101 } else { 8102 final String apkName = deriveCodePathName(codePath); 8103 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8104 .getAbsolutePath(); 8105 } 8106 8107 info.nativeLibraryRootRequiresIsa = false; 8108 info.nativeLibraryDir = info.nativeLibraryRootDir; 8109 } else { 8110 // Cluster install 8111 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8112 info.nativeLibraryRootRequiresIsa = true; 8113 8114 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8115 getPrimaryInstructionSet(info)).getAbsolutePath(); 8116 8117 if (info.secondaryCpuAbi != null) { 8118 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8119 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8120 } 8121 } 8122 } 8123 8124 /** 8125 * Calculate the abis and roots for a bundled app. These can uniquely 8126 * be determined from the contents of the system partition, i.e whether 8127 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8128 * of this information, and instead assume that the system was built 8129 * sensibly. 8130 */ 8131 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8132 PackageSetting pkgSetting) { 8133 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8134 8135 // If "/system/lib64/apkname" exists, assume that is the per-package 8136 // native library directory to use; otherwise use "/system/lib/apkname". 8137 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8138 setBundledAppAbi(pkg, apkRoot, apkName); 8139 // pkgSetting might be null during rescan following uninstall of updates 8140 // to a bundled app, so accommodate that possibility. The settings in 8141 // that case will be established later from the parsed package. 8142 // 8143 // If the settings aren't null, sync them up with what we've just derived. 8144 // note that apkRoot isn't stored in the package settings. 8145 if (pkgSetting != null) { 8146 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8147 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8148 } 8149 } 8150 8151 /** 8152 * Deduces the ABI of a bundled app and sets the relevant fields on the 8153 * parsed pkg object. 8154 * 8155 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8156 * under which system libraries are installed. 8157 * @param apkName the name of the installed package. 8158 */ 8159 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8160 final File codeFile = new File(pkg.codePath); 8161 8162 final boolean has64BitLibs; 8163 final boolean has32BitLibs; 8164 if (isApkFile(codeFile)) { 8165 // Monolithic install 8166 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8167 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8168 } else { 8169 // Cluster install 8170 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8171 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8172 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8173 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8174 has64BitLibs = (new File(rootDir, isa)).exists(); 8175 } else { 8176 has64BitLibs = false; 8177 } 8178 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8179 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8180 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8181 has32BitLibs = (new File(rootDir, isa)).exists(); 8182 } else { 8183 has32BitLibs = false; 8184 } 8185 } 8186 8187 if (has64BitLibs && !has32BitLibs) { 8188 // The package has 64 bit libs, but not 32 bit libs. Its primary 8189 // ABI should be 64 bit. We can safely assume here that the bundled 8190 // native libraries correspond to the most preferred ABI in the list. 8191 8192 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8193 pkg.applicationInfo.secondaryCpuAbi = null; 8194 } else if (has32BitLibs && !has64BitLibs) { 8195 // The package has 32 bit libs but not 64 bit libs. Its primary 8196 // ABI should be 32 bit. 8197 8198 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8199 pkg.applicationInfo.secondaryCpuAbi = null; 8200 } else if (has32BitLibs && has64BitLibs) { 8201 // The application has both 64 and 32 bit bundled libraries. We check 8202 // here that the app declares multiArch support, and warn if it doesn't. 8203 // 8204 // We will be lenient here and record both ABIs. The primary will be the 8205 // ABI that's higher on the list, i.e, a device that's configured to prefer 8206 // 64 bit apps will see a 64 bit primary ABI, 8207 8208 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8209 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 8210 } 8211 8212 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8213 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8214 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8215 } else { 8216 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8217 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8218 } 8219 } else { 8220 pkg.applicationInfo.primaryCpuAbi = null; 8221 pkg.applicationInfo.secondaryCpuAbi = null; 8222 } 8223 } 8224 8225 private void killApplication(String pkgName, int appId, String reason) { 8226 // Request the ActivityManager to kill the process(only for existing packages) 8227 // so that we do not end up in a confused state while the user is still using the older 8228 // version of the application while the new one gets installed. 8229 IActivityManager am = ActivityManagerNative.getDefault(); 8230 if (am != null) { 8231 try { 8232 am.killApplicationWithAppId(pkgName, appId, reason); 8233 } catch (RemoteException e) { 8234 } 8235 } 8236 } 8237 8238 void removePackageLI(PackageSetting ps, boolean chatty) { 8239 if (DEBUG_INSTALL) { 8240 if (chatty) 8241 Log.d(TAG, "Removing package " + ps.name); 8242 } 8243 8244 // writer 8245 synchronized (mPackages) { 8246 mPackages.remove(ps.name); 8247 final PackageParser.Package pkg = ps.pkg; 8248 if (pkg != null) { 8249 cleanPackageDataStructuresLILPw(pkg, chatty); 8250 } 8251 } 8252 } 8253 8254 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8255 if (DEBUG_INSTALL) { 8256 if (chatty) 8257 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8258 } 8259 8260 // writer 8261 synchronized (mPackages) { 8262 mPackages.remove(pkg.applicationInfo.packageName); 8263 cleanPackageDataStructuresLILPw(pkg, chatty); 8264 } 8265 } 8266 8267 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8268 int N = pkg.providers.size(); 8269 StringBuilder r = null; 8270 int i; 8271 for (i=0; i<N; i++) { 8272 PackageParser.Provider p = pkg.providers.get(i); 8273 mProviders.removeProvider(p); 8274 if (p.info.authority == null) { 8275 8276 /* There was another ContentProvider with this authority when 8277 * this app was installed so this authority is null, 8278 * Ignore it as we don't have to unregister the provider. 8279 */ 8280 continue; 8281 } 8282 String names[] = p.info.authority.split(";"); 8283 for (int j = 0; j < names.length; j++) { 8284 if (mProvidersByAuthority.get(names[j]) == p) { 8285 mProvidersByAuthority.remove(names[j]); 8286 if (DEBUG_REMOVE) { 8287 if (chatty) 8288 Log.d(TAG, "Unregistered content provider: " + names[j] 8289 + ", className = " + p.info.name + ", isSyncable = " 8290 + p.info.isSyncable); 8291 } 8292 } 8293 } 8294 if (DEBUG_REMOVE && chatty) { 8295 if (r == null) { 8296 r = new StringBuilder(256); 8297 } else { 8298 r.append(' '); 8299 } 8300 r.append(p.info.name); 8301 } 8302 } 8303 if (r != null) { 8304 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8305 } 8306 8307 N = pkg.services.size(); 8308 r = null; 8309 for (i=0; i<N; i++) { 8310 PackageParser.Service s = pkg.services.get(i); 8311 mServices.removeService(s); 8312 if (chatty) { 8313 if (r == null) { 8314 r = new StringBuilder(256); 8315 } else { 8316 r.append(' '); 8317 } 8318 r.append(s.info.name); 8319 } 8320 } 8321 if (r != null) { 8322 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8323 } 8324 8325 N = pkg.receivers.size(); 8326 r = null; 8327 for (i=0; i<N; i++) { 8328 PackageParser.Activity a = pkg.receivers.get(i); 8329 mReceivers.removeActivity(a, "receiver"); 8330 if (DEBUG_REMOVE && chatty) { 8331 if (r == null) { 8332 r = new StringBuilder(256); 8333 } else { 8334 r.append(' '); 8335 } 8336 r.append(a.info.name); 8337 } 8338 } 8339 if (r != null) { 8340 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8341 } 8342 8343 N = pkg.activities.size(); 8344 r = null; 8345 for (i=0; i<N; i++) { 8346 PackageParser.Activity a = pkg.activities.get(i); 8347 mActivities.removeActivity(a, "activity"); 8348 if (DEBUG_REMOVE && chatty) { 8349 if (r == null) { 8350 r = new StringBuilder(256); 8351 } else { 8352 r.append(' '); 8353 } 8354 r.append(a.info.name); 8355 } 8356 } 8357 if (r != null) { 8358 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8359 } 8360 8361 N = pkg.permissions.size(); 8362 r = null; 8363 for (i=0; i<N; i++) { 8364 PackageParser.Permission p = pkg.permissions.get(i); 8365 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8366 if (bp == null) { 8367 bp = mSettings.mPermissionTrees.get(p.info.name); 8368 } 8369 if (bp != null && bp.perm == p) { 8370 bp.perm = null; 8371 if (DEBUG_REMOVE && chatty) { 8372 if (r == null) { 8373 r = new StringBuilder(256); 8374 } else { 8375 r.append(' '); 8376 } 8377 r.append(p.info.name); 8378 } 8379 } 8380 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8381 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 8382 if (appOpPerms != null) { 8383 appOpPerms.remove(pkg.packageName); 8384 } 8385 } 8386 } 8387 if (r != null) { 8388 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8389 } 8390 8391 N = pkg.requestedPermissions.size(); 8392 r = null; 8393 for (i=0; i<N; i++) { 8394 String perm = pkg.requestedPermissions.get(i); 8395 BasePermission bp = mSettings.mPermissions.get(perm); 8396 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8397 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 8398 if (appOpPerms != null) { 8399 appOpPerms.remove(pkg.packageName); 8400 if (appOpPerms.isEmpty()) { 8401 mAppOpPermissionPackages.remove(perm); 8402 } 8403 } 8404 } 8405 } 8406 if (r != null) { 8407 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8408 } 8409 8410 N = pkg.instrumentation.size(); 8411 r = null; 8412 for (i=0; i<N; i++) { 8413 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8414 mInstrumentation.remove(a.getComponentName()); 8415 if (DEBUG_REMOVE && chatty) { 8416 if (r == null) { 8417 r = new StringBuilder(256); 8418 } else { 8419 r.append(' '); 8420 } 8421 r.append(a.info.name); 8422 } 8423 } 8424 if (r != null) { 8425 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8426 } 8427 8428 r = null; 8429 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8430 // Only system apps can hold shared libraries. 8431 if (pkg.libraryNames != null) { 8432 for (i=0; i<pkg.libraryNames.size(); i++) { 8433 String name = pkg.libraryNames.get(i); 8434 SharedLibraryEntry cur = mSharedLibraries.get(name); 8435 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8436 mSharedLibraries.remove(name); 8437 if (DEBUG_REMOVE && chatty) { 8438 if (r == null) { 8439 r = new StringBuilder(256); 8440 } else { 8441 r.append(' '); 8442 } 8443 r.append(name); 8444 } 8445 } 8446 } 8447 } 8448 } 8449 if (r != null) { 8450 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8451 } 8452 } 8453 8454 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8455 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8456 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8457 return true; 8458 } 8459 } 8460 return false; 8461 } 8462 8463 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8464 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8465 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8466 8467 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 8468 int flags) { 8469 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 8470 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 8471 } 8472 8473 private void updatePermissionsLPw(String changingPkg, 8474 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 8475 // Make sure there are no dangling permission trees. 8476 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8477 while (it.hasNext()) { 8478 final BasePermission bp = it.next(); 8479 if (bp.packageSetting == null) { 8480 // We may not yet have parsed the package, so just see if 8481 // we still know about its settings. 8482 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8483 } 8484 if (bp.packageSetting == null) { 8485 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8486 + " from package " + bp.sourcePackage); 8487 it.remove(); 8488 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8489 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8490 Slog.i(TAG, "Removing old permission tree: " + bp.name 8491 + " from package " + bp.sourcePackage); 8492 flags |= UPDATE_PERMISSIONS_ALL; 8493 it.remove(); 8494 } 8495 } 8496 } 8497 8498 // Make sure all dynamic permissions have been assigned to a package, 8499 // and make sure there are no dangling permissions. 8500 it = mSettings.mPermissions.values().iterator(); 8501 while (it.hasNext()) { 8502 final BasePermission bp = it.next(); 8503 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8504 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8505 + bp.name + " pkg=" + bp.sourcePackage 8506 + " info=" + bp.pendingInfo); 8507 if (bp.packageSetting == null && bp.pendingInfo != null) { 8508 final BasePermission tree = findPermissionTreeLP(bp.name); 8509 if (tree != null && tree.perm != null) { 8510 bp.packageSetting = tree.packageSetting; 8511 bp.perm = new PackageParser.Permission(tree.perm.owner, 8512 new PermissionInfo(bp.pendingInfo)); 8513 bp.perm.info.packageName = tree.perm.info.packageName; 8514 bp.perm.info.name = bp.name; 8515 bp.uid = tree.uid; 8516 } 8517 } 8518 } 8519 if (bp.packageSetting == null) { 8520 // We may not yet have parsed the package, so just see if 8521 // we still know about its settings. 8522 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8523 } 8524 if (bp.packageSetting == null) { 8525 Slog.w(TAG, "Removing dangling permission: " + bp.name 8526 + " from package " + bp.sourcePackage); 8527 it.remove(); 8528 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8529 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8530 Slog.i(TAG, "Removing old permission: " + bp.name 8531 + " from package " + bp.sourcePackage); 8532 flags |= UPDATE_PERMISSIONS_ALL; 8533 it.remove(); 8534 } 8535 } 8536 } 8537 8538 // Now update the permissions for all packages, in particular 8539 // replace the granted permissions of the system packages. 8540 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8541 for (PackageParser.Package pkg : mPackages.values()) { 8542 if (pkg != pkgInfo) { 8543 // Only replace for packages on requested volume 8544 final String volumeUuid = getVolumeUuidForPackage(pkg); 8545 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 8546 && Objects.equals(replaceVolumeUuid, volumeUuid); 8547 grantPermissionsLPw(pkg, replace, changingPkg); 8548 } 8549 } 8550 } 8551 8552 if (pkgInfo != null) { 8553 // Only replace for packages on requested volume 8554 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 8555 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 8556 && Objects.equals(replaceVolumeUuid, volumeUuid); 8557 grantPermissionsLPw(pkgInfo, replace, changingPkg); 8558 } 8559 } 8560 8561 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8562 String packageOfInterest) { 8563 // IMPORTANT: There are two types of permissions: install and runtime. 8564 // Install time permissions are granted when the app is installed to 8565 // all device users and users added in the future. Runtime permissions 8566 // are granted at runtime explicitly to specific users. Normal and signature 8567 // protected permissions are install time permissions. Dangerous permissions 8568 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8569 // otherwise they are runtime permissions. This function does not manage 8570 // runtime permissions except for the case an app targeting Lollipop MR1 8571 // being upgraded to target a newer SDK, in which case dangerous permissions 8572 // are transformed from install time to runtime ones. 8573 8574 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8575 if (ps == null) { 8576 return; 8577 } 8578 8579 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 8580 8581 PermissionsState permissionsState = ps.getPermissionsState(); 8582 PermissionsState origPermissions = permissionsState; 8583 8584 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8585 8586 boolean runtimePermissionsRevoked = false; 8587 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8588 8589 boolean changedInstallPermission = false; 8590 8591 if (replace) { 8592 ps.installPermissionsFixed = false; 8593 if (!ps.isSharedUser()) { 8594 origPermissions = new PermissionsState(permissionsState); 8595 permissionsState.reset(); 8596 } else { 8597 // We need to know only about runtime permission changes since the 8598 // calling code always writes the install permissions state but 8599 // the runtime ones are written only if changed. The only cases of 8600 // changed runtime permissions here are promotion of an install to 8601 // runtime and revocation of a runtime from a shared user. 8602 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 8603 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 8604 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 8605 runtimePermissionsRevoked = true; 8606 } 8607 } 8608 } 8609 8610 permissionsState.setGlobalGids(mGlobalGids); 8611 8612 final int N = pkg.requestedPermissions.size(); 8613 for (int i=0; i<N; i++) { 8614 final String name = pkg.requestedPermissions.get(i); 8615 final BasePermission bp = mSettings.mPermissions.get(name); 8616 8617 if (DEBUG_INSTALL) { 8618 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8619 } 8620 8621 if (bp == null || bp.packageSetting == null) { 8622 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8623 Slog.w(TAG, "Unknown permission " + name 8624 + " in package " + pkg.packageName); 8625 } 8626 continue; 8627 } 8628 8629 final String perm = bp.name; 8630 boolean allowedSig = false; 8631 int grant = GRANT_DENIED; 8632 8633 // Keep track of app op permissions. 8634 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8635 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8636 if (pkgs == null) { 8637 pkgs = new ArraySet<>(); 8638 mAppOpPermissionPackages.put(bp.name, pkgs); 8639 } 8640 pkgs.add(pkg.packageName); 8641 } 8642 8643 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8644 switch (level) { 8645 case PermissionInfo.PROTECTION_NORMAL: { 8646 // For all apps normal permissions are install time ones. 8647 grant = GRANT_INSTALL; 8648 } break; 8649 8650 case PermissionInfo.PROTECTION_DANGEROUS: { 8651 if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) { 8652 // For legacy apps dangerous permissions are install time ones. 8653 grant = GRANT_INSTALL_LEGACY; 8654 } else if (origPermissions.hasInstallPermission(bp.name)) { 8655 // For legacy apps that became modern, install becomes runtime. 8656 grant = GRANT_UPGRADE; 8657 } else if (mPromoteSystemApps 8658 && isSystemApp(ps) 8659 && mExistingSystemPackages.contains(ps.name)) { 8660 // For legacy system apps, install becomes runtime. 8661 // We cannot check hasInstallPermission() for system apps since those 8662 // permissions were granted implicitly and not persisted pre-M. 8663 grant = GRANT_UPGRADE; 8664 } else { 8665 // For modern apps keep runtime permissions unchanged. 8666 grant = GRANT_RUNTIME; 8667 } 8668 } break; 8669 8670 case PermissionInfo.PROTECTION_SIGNATURE: { 8671 // For all apps signature permissions are install time ones. 8672 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8673 if (allowedSig) { 8674 grant = GRANT_INSTALL; 8675 } 8676 } break; 8677 } 8678 8679 if (DEBUG_INSTALL) { 8680 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8681 } 8682 8683 if (grant != GRANT_DENIED) { 8684 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8685 // If this is an existing, non-system package, then 8686 // we can't add any new permissions to it. 8687 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8688 // Except... if this is a permission that was added 8689 // to the platform (note: need to only do this when 8690 // updating the platform). 8691 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8692 grant = GRANT_DENIED; 8693 } 8694 } 8695 } 8696 8697 switch (grant) { 8698 case GRANT_INSTALL: { 8699 // Revoke this as runtime permission to handle the case of 8700 // a runtime permission being downgraded to an install one. 8701 for (int userId : UserManagerService.getInstance().getUserIds()) { 8702 if (origPermissions.getRuntimePermissionState( 8703 bp.name, userId) != null) { 8704 // Revoke the runtime permission and clear the flags. 8705 origPermissions.revokeRuntimePermission(bp, userId); 8706 origPermissions.updatePermissionFlags(bp, userId, 8707 PackageManager.MASK_PERMISSION_FLAGS, 0); 8708 // If we revoked a permission permission, we have to write. 8709 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8710 changedRuntimePermissionUserIds, userId); 8711 } 8712 } 8713 // Grant an install permission. 8714 if (permissionsState.grantInstallPermission(bp) != 8715 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8716 changedInstallPermission = true; 8717 } 8718 } break; 8719 8720 case GRANT_INSTALL_LEGACY: { 8721 // Grant an install permission. 8722 if (permissionsState.grantInstallPermission(bp) != 8723 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8724 changedInstallPermission = true; 8725 } 8726 } break; 8727 8728 case GRANT_RUNTIME: { 8729 // Grant previously granted runtime permissions. 8730 for (int userId : UserManagerService.getInstance().getUserIds()) { 8731 PermissionState permissionState = origPermissions 8732 .getRuntimePermissionState(bp.name, userId); 8733 final int flags = permissionState != null 8734 ? permissionState.getFlags() : 0; 8735 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8736 if (permissionsState.grantRuntimePermission(bp, userId) == 8737 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8738 // If we cannot put the permission as it was, we have to write. 8739 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8740 changedRuntimePermissionUserIds, userId); 8741 } 8742 } 8743 // Propagate the permission flags. 8744 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8745 } 8746 } break; 8747 8748 case GRANT_UPGRADE: { 8749 // Grant runtime permissions for a previously held install permission. 8750 PermissionState permissionState = origPermissions 8751 .getInstallPermissionState(bp.name); 8752 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8753 8754 if (origPermissions.revokeInstallPermission(bp) 8755 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8756 // We will be transferring the permission flags, so clear them. 8757 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8758 PackageManager.MASK_PERMISSION_FLAGS, 0); 8759 changedInstallPermission = true; 8760 } 8761 8762 // If the permission is not to be promoted to runtime we ignore it and 8763 // also its other flags as they are not applicable to install permissions. 8764 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8765 for (int userId : currentUserIds) { 8766 if (permissionsState.grantRuntimePermission(bp, userId) != 8767 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8768 // Transfer the permission flags. 8769 permissionsState.updatePermissionFlags(bp, userId, 8770 flags, flags); 8771 // If we granted the permission, we have to write. 8772 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8773 changedRuntimePermissionUserIds, userId); 8774 } 8775 } 8776 } 8777 } break; 8778 8779 default: { 8780 if (packageOfInterest == null 8781 || packageOfInterest.equals(pkg.packageName)) { 8782 Slog.w(TAG, "Not granting permission " + perm 8783 + " to package " + pkg.packageName 8784 + " because it was previously installed without"); 8785 } 8786 } break; 8787 } 8788 } else { 8789 if (permissionsState.revokeInstallPermission(bp) != 8790 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8791 // Also drop the permission flags. 8792 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8793 PackageManager.MASK_PERMISSION_FLAGS, 0); 8794 changedInstallPermission = true; 8795 Slog.i(TAG, "Un-granting permission " + perm 8796 + " from package " + pkg.packageName 8797 + " (protectionLevel=" + bp.protectionLevel 8798 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8799 + ")"); 8800 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8801 // Don't print warning for app op permissions, since it is fine for them 8802 // not to be granted, there is a UI for the user to decide. 8803 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8804 Slog.w(TAG, "Not granting permission " + perm 8805 + " to package " + pkg.packageName 8806 + " (protectionLevel=" + bp.protectionLevel 8807 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8808 + ")"); 8809 } 8810 } 8811 } 8812 } 8813 8814 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8815 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8816 // This is the first that we have heard about this package, so the 8817 // permissions we have now selected are fixed until explicitly 8818 // changed. 8819 ps.installPermissionsFixed = true; 8820 } 8821 8822 // Persist the runtime permissions state for users with changes. If permissions 8823 // were revoked because no app in the shared user declares them we have to 8824 // write synchronously to avoid losing runtime permissions state. 8825 for (int userId : changedRuntimePermissionUserIds) { 8826 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 8827 } 8828 8829 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8830 } 8831 8832 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8833 boolean allowed = false; 8834 final int NP = PackageParser.NEW_PERMISSIONS.length; 8835 for (int ip=0; ip<NP; ip++) { 8836 final PackageParser.NewPermissionInfo npi 8837 = PackageParser.NEW_PERMISSIONS[ip]; 8838 if (npi.name.equals(perm) 8839 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8840 allowed = true; 8841 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8842 + pkg.packageName); 8843 break; 8844 } 8845 } 8846 return allowed; 8847 } 8848 8849 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8850 BasePermission bp, PermissionsState origPermissions) { 8851 boolean allowed; 8852 allowed = (compareSignatures( 8853 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8854 == PackageManager.SIGNATURE_MATCH) 8855 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8856 == PackageManager.SIGNATURE_MATCH); 8857 if (!allowed && (bp.protectionLevel 8858 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8859 if (isSystemApp(pkg)) { 8860 // For updated system applications, a system permission 8861 // is granted only if it had been defined by the original application. 8862 if (pkg.isUpdatedSystemApp()) { 8863 final PackageSetting sysPs = mSettings 8864 .getDisabledSystemPkgLPr(pkg.packageName); 8865 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8866 // If the original was granted this permission, we take 8867 // that grant decision as read and propagate it to the 8868 // update. 8869 if (sysPs.isPrivileged()) { 8870 allowed = true; 8871 } 8872 } else { 8873 // The system apk may have been updated with an older 8874 // version of the one on the data partition, but which 8875 // granted a new system permission that it didn't have 8876 // before. In this case we do want to allow the app to 8877 // now get the new permission if the ancestral apk is 8878 // privileged to get it. 8879 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8880 for (int j=0; 8881 j<sysPs.pkg.requestedPermissions.size(); j++) { 8882 if (perm.equals( 8883 sysPs.pkg.requestedPermissions.get(j))) { 8884 allowed = true; 8885 break; 8886 } 8887 } 8888 } 8889 } 8890 } else { 8891 allowed = isPrivilegedApp(pkg); 8892 } 8893 } 8894 } 8895 if (!allowed) { 8896 if (!allowed && (bp.protectionLevel 8897 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8898 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 8899 // If this was a previously normal/dangerous permission that got moved 8900 // to a system permission as part of the runtime permission redesign, then 8901 // we still want to blindly grant it to old apps. 8902 allowed = true; 8903 } 8904 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8905 && pkg.packageName.equals(mRequiredInstallerPackage)) { 8906 // If this permission is to be granted to the system installer and 8907 // this app is an installer, then it gets the permission. 8908 allowed = true; 8909 } 8910 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 8911 && pkg.packageName.equals(mRequiredVerifierPackage)) { 8912 // If this permission is to be granted to the system verifier and 8913 // this app is a verifier, then it gets the permission. 8914 allowed = true; 8915 } 8916 if (!allowed && (bp.protectionLevel 8917 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 8918 && isSystemApp(pkg)) { 8919 // Any pre-installed system app is allowed to get this permission. 8920 allowed = true; 8921 } 8922 if (!allowed && (bp.protectionLevel 8923 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 8924 // For development permissions, a development permission 8925 // is granted only if it was already granted. 8926 allowed = origPermissions.hasInstallPermission(perm); 8927 } 8928 } 8929 return allowed; 8930 } 8931 8932 final class ActivityIntentResolver 8933 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 8934 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8935 boolean defaultOnly, int userId) { 8936 if (!sUserManager.exists(userId)) return null; 8937 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8938 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8939 } 8940 8941 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8942 int userId) { 8943 if (!sUserManager.exists(userId)) return null; 8944 mFlags = flags; 8945 return super.queryIntent(intent, resolvedType, 8946 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8947 } 8948 8949 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8950 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 8951 if (!sUserManager.exists(userId)) return null; 8952 if (packageActivities == null) { 8953 return null; 8954 } 8955 mFlags = flags; 8956 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8957 final int N = packageActivities.size(); 8958 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 8959 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 8960 8961 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 8962 for (int i = 0; i < N; ++i) { 8963 intentFilters = packageActivities.get(i).intents; 8964 if (intentFilters != null && intentFilters.size() > 0) { 8965 PackageParser.ActivityIntentInfo[] array = 8966 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 8967 intentFilters.toArray(array); 8968 listCut.add(array); 8969 } 8970 } 8971 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8972 } 8973 8974 public final void addActivity(PackageParser.Activity a, String type) { 8975 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 8976 mActivities.put(a.getComponentName(), a); 8977 if (DEBUG_SHOW_INFO) 8978 Log.v( 8979 TAG, " " + type + " " + 8980 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 8981 if (DEBUG_SHOW_INFO) 8982 Log.v(TAG, " Class=" + a.info.name); 8983 final int NI = a.intents.size(); 8984 for (int j=0; j<NI; j++) { 8985 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8986 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 8987 intent.setPriority(0); 8988 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 8989 + a.className + " with priority > 0, forcing to 0"); 8990 } 8991 if (DEBUG_SHOW_INFO) { 8992 Log.v(TAG, " IntentFilter:"); 8993 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8994 } 8995 if (!intent.debugCheck()) { 8996 Log.w(TAG, "==> For Activity " + a.info.name); 8997 } 8998 addFilter(intent); 8999 } 9000 } 9001 9002 public final void removeActivity(PackageParser.Activity a, String type) { 9003 mActivities.remove(a.getComponentName()); 9004 if (DEBUG_SHOW_INFO) { 9005 Log.v(TAG, " " + type + " " 9006 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9007 : a.info.name) + ":"); 9008 Log.v(TAG, " Class=" + a.info.name); 9009 } 9010 final int NI = a.intents.size(); 9011 for (int j=0; j<NI; j++) { 9012 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9013 if (DEBUG_SHOW_INFO) { 9014 Log.v(TAG, " IntentFilter:"); 9015 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9016 } 9017 removeFilter(intent); 9018 } 9019 } 9020 9021 @Override 9022 protected boolean allowFilterResult( 9023 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9024 ActivityInfo filterAi = filter.activity.info; 9025 for (int i=dest.size()-1; i>=0; i--) { 9026 ActivityInfo destAi = dest.get(i).activityInfo; 9027 if (destAi.name == filterAi.name 9028 && destAi.packageName == filterAi.packageName) { 9029 return false; 9030 } 9031 } 9032 return true; 9033 } 9034 9035 @Override 9036 protected ActivityIntentInfo[] newArray(int size) { 9037 return new ActivityIntentInfo[size]; 9038 } 9039 9040 @Override 9041 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9042 if (!sUserManager.exists(userId)) return true; 9043 PackageParser.Package p = filter.activity.owner; 9044 if (p != null) { 9045 PackageSetting ps = (PackageSetting)p.mExtras; 9046 if (ps != null) { 9047 // System apps are never considered stopped for purposes of 9048 // filtering, because there may be no way for the user to 9049 // actually re-launch them. 9050 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9051 && ps.getStopped(userId); 9052 } 9053 } 9054 return false; 9055 } 9056 9057 @Override 9058 protected boolean isPackageForFilter(String packageName, 9059 PackageParser.ActivityIntentInfo info) { 9060 return packageName.equals(info.activity.owner.packageName); 9061 } 9062 9063 @Override 9064 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9065 int match, int userId) { 9066 if (!sUserManager.exists(userId)) return null; 9067 if (!mSettings.isEnabledAndVisibleLPr(info.activity.info, mFlags, userId)) { 9068 return null; 9069 } 9070 final PackageParser.Activity activity = info.activity; 9071 if (mSafeMode && (activity.info.applicationInfo.flags 9072 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9073 return null; 9074 } 9075 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9076 if (ps == null) { 9077 return null; 9078 } 9079 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9080 ps.readUserState(userId), userId); 9081 if (ai == null) { 9082 return null; 9083 } 9084 final ResolveInfo res = new ResolveInfo(); 9085 res.activityInfo = ai; 9086 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9087 res.filter = info; 9088 } 9089 if (info != null) { 9090 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9091 } 9092 res.priority = info.getPriority(); 9093 res.preferredOrder = activity.owner.mPreferredOrder; 9094 //System.out.println("Result: " + res.activityInfo.className + 9095 // " = " + res.priority); 9096 res.match = match; 9097 res.isDefault = info.hasDefault; 9098 res.labelRes = info.labelRes; 9099 res.nonLocalizedLabel = info.nonLocalizedLabel; 9100 if (userNeedsBadging(userId)) { 9101 res.noResourceId = true; 9102 } else { 9103 res.icon = info.icon; 9104 } 9105 res.iconResourceId = info.icon; 9106 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9107 return res; 9108 } 9109 9110 @Override 9111 protected void sortResults(List<ResolveInfo> results) { 9112 Collections.sort(results, mResolvePrioritySorter); 9113 } 9114 9115 @Override 9116 protected void dumpFilter(PrintWriter out, String prefix, 9117 PackageParser.ActivityIntentInfo filter) { 9118 out.print(prefix); out.print( 9119 Integer.toHexString(System.identityHashCode(filter.activity))); 9120 out.print(' '); 9121 filter.activity.printComponentShortName(out); 9122 out.print(" filter "); 9123 out.println(Integer.toHexString(System.identityHashCode(filter))); 9124 } 9125 9126 @Override 9127 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9128 return filter.activity; 9129 } 9130 9131 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9132 PackageParser.Activity activity = (PackageParser.Activity)label; 9133 out.print(prefix); out.print( 9134 Integer.toHexString(System.identityHashCode(activity))); 9135 out.print(' '); 9136 activity.printComponentShortName(out); 9137 if (count > 1) { 9138 out.print(" ("); out.print(count); out.print(" filters)"); 9139 } 9140 out.println(); 9141 } 9142 9143// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9144// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9145// final List<ResolveInfo> retList = Lists.newArrayList(); 9146// while (i.hasNext()) { 9147// final ResolveInfo resolveInfo = i.next(); 9148// if (isEnabledLP(resolveInfo.activityInfo)) { 9149// retList.add(resolveInfo); 9150// } 9151// } 9152// return retList; 9153// } 9154 9155 // Keys are String (activity class name), values are Activity. 9156 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9157 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9158 private int mFlags; 9159 } 9160 9161 private final class ServiceIntentResolver 9162 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9163 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9164 boolean defaultOnly, int userId) { 9165 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9166 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9167 } 9168 9169 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9170 int userId) { 9171 if (!sUserManager.exists(userId)) return null; 9172 mFlags = flags; 9173 return super.queryIntent(intent, resolvedType, 9174 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9175 } 9176 9177 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9178 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9179 if (!sUserManager.exists(userId)) return null; 9180 if (packageServices == null) { 9181 return null; 9182 } 9183 mFlags = flags; 9184 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9185 final int N = packageServices.size(); 9186 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9187 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9188 9189 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9190 for (int i = 0; i < N; ++i) { 9191 intentFilters = packageServices.get(i).intents; 9192 if (intentFilters != null && intentFilters.size() > 0) { 9193 PackageParser.ServiceIntentInfo[] array = 9194 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9195 intentFilters.toArray(array); 9196 listCut.add(array); 9197 } 9198 } 9199 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9200 } 9201 9202 public final void addService(PackageParser.Service s) { 9203 mServices.put(s.getComponentName(), s); 9204 if (DEBUG_SHOW_INFO) { 9205 Log.v(TAG, " " 9206 + (s.info.nonLocalizedLabel != null 9207 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9208 Log.v(TAG, " Class=" + s.info.name); 9209 } 9210 final int NI = s.intents.size(); 9211 int j; 9212 for (j=0; j<NI; j++) { 9213 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9214 if (DEBUG_SHOW_INFO) { 9215 Log.v(TAG, " IntentFilter:"); 9216 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9217 } 9218 if (!intent.debugCheck()) { 9219 Log.w(TAG, "==> For Service " + s.info.name); 9220 } 9221 addFilter(intent); 9222 } 9223 } 9224 9225 public final void removeService(PackageParser.Service s) { 9226 mServices.remove(s.getComponentName()); 9227 if (DEBUG_SHOW_INFO) { 9228 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9229 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9230 Log.v(TAG, " Class=" + s.info.name); 9231 } 9232 final int NI = s.intents.size(); 9233 int j; 9234 for (j=0; j<NI; j++) { 9235 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9236 if (DEBUG_SHOW_INFO) { 9237 Log.v(TAG, " IntentFilter:"); 9238 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9239 } 9240 removeFilter(intent); 9241 } 9242 } 9243 9244 @Override 9245 protected boolean allowFilterResult( 9246 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9247 ServiceInfo filterSi = filter.service.info; 9248 for (int i=dest.size()-1; i>=0; i--) { 9249 ServiceInfo destAi = dest.get(i).serviceInfo; 9250 if (destAi.name == filterSi.name 9251 && destAi.packageName == filterSi.packageName) { 9252 return false; 9253 } 9254 } 9255 return true; 9256 } 9257 9258 @Override 9259 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9260 return new PackageParser.ServiceIntentInfo[size]; 9261 } 9262 9263 @Override 9264 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9265 if (!sUserManager.exists(userId)) return true; 9266 PackageParser.Package p = filter.service.owner; 9267 if (p != null) { 9268 PackageSetting ps = (PackageSetting)p.mExtras; 9269 if (ps != null) { 9270 // System apps are never considered stopped for purposes of 9271 // filtering, because there may be no way for the user to 9272 // actually re-launch them. 9273 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9274 && ps.getStopped(userId); 9275 } 9276 } 9277 return false; 9278 } 9279 9280 @Override 9281 protected boolean isPackageForFilter(String packageName, 9282 PackageParser.ServiceIntentInfo info) { 9283 return packageName.equals(info.service.owner.packageName); 9284 } 9285 9286 @Override 9287 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9288 int match, int userId) { 9289 if (!sUserManager.exists(userId)) return null; 9290 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9291 if (!mSettings.isEnabledAndVisibleLPr(info.service.info, mFlags, userId)) { 9292 return null; 9293 } 9294 final PackageParser.Service service = info.service; 9295 if (mSafeMode && (service.info.applicationInfo.flags 9296 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9297 return null; 9298 } 9299 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9300 if (ps == null) { 9301 return null; 9302 } 9303 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9304 ps.readUserState(userId), userId); 9305 if (si == null) { 9306 return null; 9307 } 9308 final ResolveInfo res = new ResolveInfo(); 9309 res.serviceInfo = si; 9310 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9311 res.filter = filter; 9312 } 9313 res.priority = info.getPriority(); 9314 res.preferredOrder = service.owner.mPreferredOrder; 9315 res.match = match; 9316 res.isDefault = info.hasDefault; 9317 res.labelRes = info.labelRes; 9318 res.nonLocalizedLabel = info.nonLocalizedLabel; 9319 res.icon = info.icon; 9320 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9321 return res; 9322 } 9323 9324 @Override 9325 protected void sortResults(List<ResolveInfo> results) { 9326 Collections.sort(results, mResolvePrioritySorter); 9327 } 9328 9329 @Override 9330 protected void dumpFilter(PrintWriter out, String prefix, 9331 PackageParser.ServiceIntentInfo filter) { 9332 out.print(prefix); out.print( 9333 Integer.toHexString(System.identityHashCode(filter.service))); 9334 out.print(' '); 9335 filter.service.printComponentShortName(out); 9336 out.print(" filter "); 9337 out.println(Integer.toHexString(System.identityHashCode(filter))); 9338 } 9339 9340 @Override 9341 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9342 return filter.service; 9343 } 9344 9345 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9346 PackageParser.Service service = (PackageParser.Service)label; 9347 out.print(prefix); out.print( 9348 Integer.toHexString(System.identityHashCode(service))); 9349 out.print(' '); 9350 service.printComponentShortName(out); 9351 if (count > 1) { 9352 out.print(" ("); out.print(count); out.print(" filters)"); 9353 } 9354 out.println(); 9355 } 9356 9357// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9358// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9359// final List<ResolveInfo> retList = Lists.newArrayList(); 9360// while (i.hasNext()) { 9361// final ResolveInfo resolveInfo = (ResolveInfo) i; 9362// if (isEnabledLP(resolveInfo.serviceInfo)) { 9363// retList.add(resolveInfo); 9364// } 9365// } 9366// return retList; 9367// } 9368 9369 // Keys are String (activity class name), values are Activity. 9370 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9371 = new ArrayMap<ComponentName, PackageParser.Service>(); 9372 private int mFlags; 9373 }; 9374 9375 private final class ProviderIntentResolver 9376 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9377 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9378 boolean defaultOnly, int userId) { 9379 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9380 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9381 } 9382 9383 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9384 int userId) { 9385 if (!sUserManager.exists(userId)) 9386 return null; 9387 mFlags = flags; 9388 return super.queryIntent(intent, resolvedType, 9389 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9390 } 9391 9392 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9393 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9394 if (!sUserManager.exists(userId)) 9395 return null; 9396 if (packageProviders == null) { 9397 return null; 9398 } 9399 mFlags = flags; 9400 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9401 final int N = packageProviders.size(); 9402 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9403 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9404 9405 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9406 for (int i = 0; i < N; ++i) { 9407 intentFilters = packageProviders.get(i).intents; 9408 if (intentFilters != null && intentFilters.size() > 0) { 9409 PackageParser.ProviderIntentInfo[] array = 9410 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9411 intentFilters.toArray(array); 9412 listCut.add(array); 9413 } 9414 } 9415 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9416 } 9417 9418 public final void addProvider(PackageParser.Provider p) { 9419 if (mProviders.containsKey(p.getComponentName())) { 9420 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9421 return; 9422 } 9423 9424 mProviders.put(p.getComponentName(), p); 9425 if (DEBUG_SHOW_INFO) { 9426 Log.v(TAG, " " 9427 + (p.info.nonLocalizedLabel != null 9428 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9429 Log.v(TAG, " Class=" + p.info.name); 9430 } 9431 final int NI = p.intents.size(); 9432 int j; 9433 for (j = 0; j < NI; j++) { 9434 PackageParser.ProviderIntentInfo intent = p.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 Provider " + p.info.name); 9441 } 9442 addFilter(intent); 9443 } 9444 } 9445 9446 public final void removeProvider(PackageParser.Provider p) { 9447 mProviders.remove(p.getComponentName()); 9448 if (DEBUG_SHOW_INFO) { 9449 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9450 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9451 Log.v(TAG, " Class=" + p.info.name); 9452 } 9453 final int NI = p.intents.size(); 9454 int j; 9455 for (j = 0; j < NI; j++) { 9456 PackageParser.ProviderIntentInfo intent = p.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.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9468 ProviderInfo filterPi = filter.provider.info; 9469 for (int i = dest.size() - 1; i >= 0; i--) { 9470 ProviderInfo destPi = dest.get(i).providerInfo; 9471 if (destPi.name == filterPi.name 9472 && destPi.packageName == filterPi.packageName) { 9473 return false; 9474 } 9475 } 9476 return true; 9477 } 9478 9479 @Override 9480 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9481 return new PackageParser.ProviderIntentInfo[size]; 9482 } 9483 9484 @Override 9485 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9486 if (!sUserManager.exists(userId)) 9487 return true; 9488 PackageParser.Package p = filter.provider.owner; 9489 if (p != null) { 9490 PackageSetting ps = (PackageSetting) p.mExtras; 9491 if (ps != null) { 9492 // System apps are never considered stopped for purposes of 9493 // filtering, because there may be no way for the user to 9494 // actually re-launch them. 9495 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9496 && ps.getStopped(userId); 9497 } 9498 } 9499 return false; 9500 } 9501 9502 @Override 9503 protected boolean isPackageForFilter(String packageName, 9504 PackageParser.ProviderIntentInfo info) { 9505 return packageName.equals(info.provider.owner.packageName); 9506 } 9507 9508 @Override 9509 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9510 int match, int userId) { 9511 if (!sUserManager.exists(userId)) 9512 return null; 9513 final PackageParser.ProviderIntentInfo info = filter; 9514 if (!mSettings.isEnabledAndVisibleLPr(info.provider.info, mFlags, userId)) { 9515 return null; 9516 } 9517 final PackageParser.Provider provider = info.provider; 9518 if (mSafeMode && (provider.info.applicationInfo.flags 9519 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9520 return null; 9521 } 9522 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9523 if (ps == null) { 9524 return null; 9525 } 9526 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9527 ps.readUserState(userId), userId); 9528 if (pi == null) { 9529 return null; 9530 } 9531 final ResolveInfo res = new ResolveInfo(); 9532 res.providerInfo = pi; 9533 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9534 res.filter = filter; 9535 } 9536 res.priority = info.getPriority(); 9537 res.preferredOrder = provider.owner.mPreferredOrder; 9538 res.match = match; 9539 res.isDefault = info.hasDefault; 9540 res.labelRes = info.labelRes; 9541 res.nonLocalizedLabel = info.nonLocalizedLabel; 9542 res.icon = info.icon; 9543 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9544 return res; 9545 } 9546 9547 @Override 9548 protected void sortResults(List<ResolveInfo> results) { 9549 Collections.sort(results, mResolvePrioritySorter); 9550 } 9551 9552 @Override 9553 protected void dumpFilter(PrintWriter out, String prefix, 9554 PackageParser.ProviderIntentInfo filter) { 9555 out.print(prefix); 9556 out.print( 9557 Integer.toHexString(System.identityHashCode(filter.provider))); 9558 out.print(' '); 9559 filter.provider.printComponentShortName(out); 9560 out.print(" filter "); 9561 out.println(Integer.toHexString(System.identityHashCode(filter))); 9562 } 9563 9564 @Override 9565 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9566 return filter.provider; 9567 } 9568 9569 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9570 PackageParser.Provider provider = (PackageParser.Provider)label; 9571 out.print(prefix); out.print( 9572 Integer.toHexString(System.identityHashCode(provider))); 9573 out.print(' '); 9574 provider.printComponentShortName(out); 9575 if (count > 1) { 9576 out.print(" ("); out.print(count); out.print(" filters)"); 9577 } 9578 out.println(); 9579 } 9580 9581 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9582 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9583 private int mFlags; 9584 } 9585 9586 private static final class EphemeralIntentResolver 9587 extends IntentResolver<IntentFilter, ResolveInfo> { 9588 @Override 9589 protected IntentFilter[] newArray(int size) { 9590 return new IntentFilter[size]; 9591 } 9592 9593 @Override 9594 protected boolean isPackageForFilter(String packageName, IntentFilter info) { 9595 return true; 9596 } 9597 9598 @Override 9599 protected ResolveInfo newResult(IntentFilter info, int match, int userId) { 9600 if (!sUserManager.exists(userId)) return null; 9601 final ResolveInfo res = new ResolveInfo(); 9602 res.filter = info; 9603 return res; 9604 } 9605 } 9606 9607 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9608 new Comparator<ResolveInfo>() { 9609 public int compare(ResolveInfo r1, ResolveInfo r2) { 9610 int v1 = r1.priority; 9611 int v2 = r2.priority; 9612 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9613 if (v1 != v2) { 9614 return (v1 > v2) ? -1 : 1; 9615 } 9616 v1 = r1.preferredOrder; 9617 v2 = r2.preferredOrder; 9618 if (v1 != v2) { 9619 return (v1 > v2) ? -1 : 1; 9620 } 9621 if (r1.isDefault != r2.isDefault) { 9622 return r1.isDefault ? -1 : 1; 9623 } 9624 v1 = r1.match; 9625 v2 = r2.match; 9626 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9627 if (v1 != v2) { 9628 return (v1 > v2) ? -1 : 1; 9629 } 9630 if (r1.system != r2.system) { 9631 return r1.system ? -1 : 1; 9632 } 9633 return 0; 9634 } 9635 }; 9636 9637 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9638 new Comparator<ProviderInfo>() { 9639 public int compare(ProviderInfo p1, ProviderInfo p2) { 9640 final int v1 = p1.initOrder; 9641 final int v2 = p2.initOrder; 9642 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9643 } 9644 }; 9645 9646 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 9647 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 9648 final int[] userIds) { 9649 mHandler.post(new Runnable() { 9650 @Override 9651 public void run() { 9652 try { 9653 final IActivityManager am = ActivityManagerNative.getDefault(); 9654 if (am == null) return; 9655 final int[] resolvedUserIds; 9656 if (userIds == null) { 9657 resolvedUserIds = am.getRunningUserIds(); 9658 } else { 9659 resolvedUserIds = userIds; 9660 } 9661 for (int id : resolvedUserIds) { 9662 final Intent intent = new Intent(action, 9663 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9664 if (extras != null) { 9665 intent.putExtras(extras); 9666 } 9667 if (targetPkg != null) { 9668 intent.setPackage(targetPkg); 9669 } 9670 // Modify the UID when posting to other users 9671 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9672 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9673 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9674 intent.putExtra(Intent.EXTRA_UID, uid); 9675 } 9676 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9677 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 9678 if (DEBUG_BROADCASTS) { 9679 RuntimeException here = new RuntimeException("here"); 9680 here.fillInStackTrace(); 9681 Slog.d(TAG, "Sending to user " + id + ": " 9682 + intent.toShortString(false, true, false, false) 9683 + " " + intent.getExtras(), here); 9684 } 9685 am.broadcastIntent(null, intent, null, finishedReceiver, 9686 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9687 null, finishedReceiver != null, false, id); 9688 } 9689 } catch (RemoteException ex) { 9690 } 9691 } 9692 }); 9693 } 9694 9695 /** 9696 * Check if the external storage media is available. This is true if there 9697 * is a mounted external storage medium or if the external storage is 9698 * emulated. 9699 */ 9700 private boolean isExternalMediaAvailable() { 9701 return mMediaMounted || Environment.isExternalStorageEmulated(); 9702 } 9703 9704 @Override 9705 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9706 // writer 9707 synchronized (mPackages) { 9708 if (!isExternalMediaAvailable()) { 9709 // If the external storage is no longer mounted at this point, 9710 // the caller may not have been able to delete all of this 9711 // packages files and can not delete any more. Bail. 9712 return null; 9713 } 9714 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9715 if (lastPackage != null) { 9716 pkgs.remove(lastPackage); 9717 } 9718 if (pkgs.size() > 0) { 9719 return pkgs.get(0); 9720 } 9721 } 9722 return null; 9723 } 9724 9725 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9726 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9727 userId, andCode ? 1 : 0, packageName); 9728 if (mSystemReady) { 9729 msg.sendToTarget(); 9730 } else { 9731 if (mPostSystemReadyMessages == null) { 9732 mPostSystemReadyMessages = new ArrayList<>(); 9733 } 9734 mPostSystemReadyMessages.add(msg); 9735 } 9736 } 9737 9738 void startCleaningPackages() { 9739 // reader 9740 synchronized (mPackages) { 9741 if (!isExternalMediaAvailable()) { 9742 return; 9743 } 9744 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9745 return; 9746 } 9747 } 9748 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9749 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9750 IActivityManager am = ActivityManagerNative.getDefault(); 9751 if (am != null) { 9752 try { 9753 am.startService(null, intent, null, mContext.getOpPackageName(), 9754 UserHandle.USER_SYSTEM); 9755 } catch (RemoteException e) { 9756 } 9757 } 9758 } 9759 9760 @Override 9761 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9762 int installFlags, String installerPackageName, VerificationParams verificationParams, 9763 String packageAbiOverride) { 9764 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9765 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9766 } 9767 9768 @Override 9769 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9770 int installFlags, String installerPackageName, VerificationParams verificationParams, 9771 String packageAbiOverride, int userId) { 9772 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9773 9774 final int callingUid = Binder.getCallingUid(); 9775 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9776 9777 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9778 try { 9779 if (observer != null) { 9780 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9781 } 9782 } catch (RemoteException re) { 9783 } 9784 return; 9785 } 9786 9787 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9788 installFlags |= PackageManager.INSTALL_FROM_ADB; 9789 9790 } else { 9791 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9792 // about installerPackageName. 9793 9794 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9795 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9796 } 9797 9798 UserHandle user; 9799 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9800 user = UserHandle.ALL; 9801 } else { 9802 user = new UserHandle(userId); 9803 } 9804 9805 // Only system components can circumvent runtime permissions when installing. 9806 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9807 && mContext.checkCallingOrSelfPermission(Manifest.permission 9808 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9809 throw new SecurityException("You need the " 9810 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9811 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9812 } 9813 9814 verificationParams.setInstallerUid(callingUid); 9815 9816 final File originFile = new File(originPath); 9817 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9818 9819 final Message msg = mHandler.obtainMessage(INIT_COPY); 9820 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 9821 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 9822 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 9823 msg.obj = params; 9824 9825 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 9826 System.identityHashCode(msg.obj)); 9827 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 9828 System.identityHashCode(msg.obj)); 9829 9830 mHandler.sendMessage(msg); 9831 } 9832 9833 void installStage(String packageName, File stagedDir, String stagedCid, 9834 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 9835 String installerPackageName, int installerUid, UserHandle user) { 9836 final VerificationParams verifParams = new VerificationParams( 9837 null, sessionParams.originatingUri, sessionParams.referrerUri, 9838 sessionParams.originatingUid, null); 9839 verifParams.setInstallerUid(installerUid); 9840 9841 final OriginInfo origin; 9842 if (stagedDir != null) { 9843 origin = OriginInfo.fromStagedFile(stagedDir); 9844 } else { 9845 origin = OriginInfo.fromStagedContainer(stagedCid); 9846 } 9847 9848 final Message msg = mHandler.obtainMessage(INIT_COPY); 9849 final InstallParams params = new InstallParams(origin, null, observer, 9850 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 9851 verifParams, user, sessionParams.abiOverride, 9852 sessionParams.grantedRuntimePermissions); 9853 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 9854 msg.obj = params; 9855 9856 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 9857 System.identityHashCode(msg.obj)); 9858 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 9859 System.identityHashCode(msg.obj)); 9860 9861 mHandler.sendMessage(msg); 9862 } 9863 9864 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9865 Bundle extras = new Bundle(1); 9866 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9867 9868 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9869 packageName, extras, 0, null, null, new int[] {userId}); 9870 try { 9871 IActivityManager am = ActivityManagerNative.getDefault(); 9872 final boolean isSystem = 9873 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9874 if (isSystem && am.isUserRunning(userId, 0)) { 9875 // The just-installed/enabled app is bundled on the system, so presumed 9876 // to be able to run automatically without needing an explicit launch. 9877 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9878 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9879 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9880 .setPackage(packageName); 9881 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9882 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9883 } 9884 } catch (RemoteException e) { 9885 // shouldn't happen 9886 Slog.w(TAG, "Unable to bootstrap installed package", e); 9887 } 9888 } 9889 9890 @Override 9891 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9892 int userId) { 9893 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9894 PackageSetting pkgSetting; 9895 final int uid = Binder.getCallingUid(); 9896 enforceCrossUserPermission(uid, userId, true, true, 9897 "setApplicationHiddenSetting for user " + userId); 9898 9899 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9900 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9901 return false; 9902 } 9903 9904 long callingId = Binder.clearCallingIdentity(); 9905 try { 9906 boolean sendAdded = false; 9907 boolean sendRemoved = false; 9908 // writer 9909 synchronized (mPackages) { 9910 pkgSetting = mSettings.mPackages.get(packageName); 9911 if (pkgSetting == null) { 9912 return false; 9913 } 9914 if (pkgSetting.getHidden(userId) != hidden) { 9915 pkgSetting.setHidden(hidden, userId); 9916 mSettings.writePackageRestrictionsLPr(userId); 9917 if (hidden) { 9918 sendRemoved = true; 9919 } else { 9920 sendAdded = true; 9921 } 9922 } 9923 } 9924 if (sendAdded) { 9925 sendPackageAddedForUser(packageName, pkgSetting, userId); 9926 return true; 9927 } 9928 if (sendRemoved) { 9929 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 9930 "hiding pkg"); 9931 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 9932 return true; 9933 } 9934 } finally { 9935 Binder.restoreCallingIdentity(callingId); 9936 } 9937 return false; 9938 } 9939 9940 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 9941 int userId) { 9942 final PackageRemovedInfo info = new PackageRemovedInfo(); 9943 info.removedPackage = packageName; 9944 info.removedUsers = new int[] {userId}; 9945 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 9946 info.sendBroadcast(false, false, false); 9947 } 9948 9949 /** 9950 * Returns true if application is not found or there was an error. Otherwise it returns 9951 * the hidden state of the package for the given user. 9952 */ 9953 @Override 9954 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 9955 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9956 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 9957 false, "getApplicationHidden for user " + userId); 9958 PackageSetting pkgSetting; 9959 long callingId = Binder.clearCallingIdentity(); 9960 try { 9961 // writer 9962 synchronized (mPackages) { 9963 pkgSetting = mSettings.mPackages.get(packageName); 9964 if (pkgSetting == null) { 9965 return true; 9966 } 9967 return pkgSetting.getHidden(userId); 9968 } 9969 } finally { 9970 Binder.restoreCallingIdentity(callingId); 9971 } 9972 } 9973 9974 /** 9975 * @hide 9976 */ 9977 @Override 9978 public int installExistingPackageAsUser(String packageName, int userId) { 9979 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 9980 null); 9981 PackageSetting pkgSetting; 9982 final int uid = Binder.getCallingUid(); 9983 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 9984 + userId); 9985 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9986 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 9987 } 9988 9989 long callingId = Binder.clearCallingIdentity(); 9990 try { 9991 boolean sendAdded = false; 9992 9993 // writer 9994 synchronized (mPackages) { 9995 pkgSetting = mSettings.mPackages.get(packageName); 9996 if (pkgSetting == null) { 9997 return PackageManager.INSTALL_FAILED_INVALID_URI; 9998 } 9999 if (!pkgSetting.getInstalled(userId)) { 10000 pkgSetting.setInstalled(true, userId); 10001 pkgSetting.setHidden(false, userId); 10002 mSettings.writePackageRestrictionsLPr(userId); 10003 sendAdded = true; 10004 } 10005 } 10006 10007 if (sendAdded) { 10008 sendPackageAddedForUser(packageName, pkgSetting, userId); 10009 } 10010 } finally { 10011 Binder.restoreCallingIdentity(callingId); 10012 } 10013 10014 return PackageManager.INSTALL_SUCCEEDED; 10015 } 10016 10017 boolean isUserRestricted(int userId, String restrictionKey) { 10018 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10019 if (restrictions.getBoolean(restrictionKey, false)) { 10020 Log.w(TAG, "User is restricted: " + restrictionKey); 10021 return true; 10022 } 10023 return false; 10024 } 10025 10026 @Override 10027 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10028 mContext.enforceCallingOrSelfPermission( 10029 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10030 "Only package verification agents can verify applications"); 10031 10032 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10033 final PackageVerificationResponse response = new PackageVerificationResponse( 10034 verificationCode, Binder.getCallingUid()); 10035 msg.arg1 = id; 10036 msg.obj = response; 10037 mHandler.sendMessage(msg); 10038 } 10039 10040 @Override 10041 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10042 long millisecondsToDelay) { 10043 mContext.enforceCallingOrSelfPermission( 10044 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10045 "Only package verification agents can extend verification timeouts"); 10046 10047 final PackageVerificationState state = mPendingVerification.get(id); 10048 final PackageVerificationResponse response = new PackageVerificationResponse( 10049 verificationCodeAtTimeout, Binder.getCallingUid()); 10050 10051 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10052 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10053 } 10054 if (millisecondsToDelay < 0) { 10055 millisecondsToDelay = 0; 10056 } 10057 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10058 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10059 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10060 } 10061 10062 if ((state != null) && !state.timeoutExtended()) { 10063 state.extendTimeout(); 10064 10065 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10066 msg.arg1 = id; 10067 msg.obj = response; 10068 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10069 } 10070 } 10071 10072 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10073 int verificationCode, UserHandle user) { 10074 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10075 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10076 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10077 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10078 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10079 10080 mContext.sendBroadcastAsUser(intent, user, 10081 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10082 } 10083 10084 private ComponentName matchComponentForVerifier(String packageName, 10085 List<ResolveInfo> receivers) { 10086 ActivityInfo targetReceiver = null; 10087 10088 final int NR = receivers.size(); 10089 for (int i = 0; i < NR; i++) { 10090 final ResolveInfo info = receivers.get(i); 10091 if (info.activityInfo == null) { 10092 continue; 10093 } 10094 10095 if (packageName.equals(info.activityInfo.packageName)) { 10096 targetReceiver = info.activityInfo; 10097 break; 10098 } 10099 } 10100 10101 if (targetReceiver == null) { 10102 return null; 10103 } 10104 10105 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10106 } 10107 10108 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10109 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10110 if (pkgInfo.verifiers.length == 0) { 10111 return null; 10112 } 10113 10114 final int N = pkgInfo.verifiers.length; 10115 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10116 for (int i = 0; i < N; i++) { 10117 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10118 10119 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10120 receivers); 10121 if (comp == null) { 10122 continue; 10123 } 10124 10125 final int verifierUid = getUidForVerifier(verifierInfo); 10126 if (verifierUid == -1) { 10127 continue; 10128 } 10129 10130 if (DEBUG_VERIFY) { 10131 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10132 + " with the correct signature"); 10133 } 10134 sufficientVerifiers.add(comp); 10135 verificationState.addSufficientVerifier(verifierUid); 10136 } 10137 10138 return sufficientVerifiers; 10139 } 10140 10141 private int getUidForVerifier(VerifierInfo verifierInfo) { 10142 synchronized (mPackages) { 10143 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10144 if (pkg == null) { 10145 return -1; 10146 } else if (pkg.mSignatures.length != 1) { 10147 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10148 + " has more than one signature; ignoring"); 10149 return -1; 10150 } 10151 10152 /* 10153 * If the public key of the package's signature does not match 10154 * our expected public key, then this is a different package and 10155 * we should skip. 10156 */ 10157 10158 final byte[] expectedPublicKey; 10159 try { 10160 final Signature verifierSig = pkg.mSignatures[0]; 10161 final PublicKey publicKey = verifierSig.getPublicKey(); 10162 expectedPublicKey = publicKey.getEncoded(); 10163 } catch (CertificateException e) { 10164 return -1; 10165 } 10166 10167 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10168 10169 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10170 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10171 + " does not have the expected public key; ignoring"); 10172 return -1; 10173 } 10174 10175 return pkg.applicationInfo.uid; 10176 } 10177 } 10178 10179 @Override 10180 public void finishPackageInstall(int token) { 10181 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10182 10183 if (DEBUG_INSTALL) { 10184 Slog.v(TAG, "BM finishing package install for " + token); 10185 } 10186 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10187 10188 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10189 mHandler.sendMessage(msg); 10190 } 10191 10192 /** 10193 * Get the verification agent timeout. 10194 * 10195 * @return verification timeout in milliseconds 10196 */ 10197 private long getVerificationTimeout() { 10198 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10199 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10200 DEFAULT_VERIFICATION_TIMEOUT); 10201 } 10202 10203 /** 10204 * Get the default verification agent response code. 10205 * 10206 * @return default verification response code 10207 */ 10208 private int getDefaultVerificationResponse() { 10209 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10210 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10211 DEFAULT_VERIFICATION_RESPONSE); 10212 } 10213 10214 /** 10215 * Check whether or not package verification has been enabled. 10216 * 10217 * @return true if verification should be performed 10218 */ 10219 private boolean isVerificationEnabled(int userId, int installFlags) { 10220 if (!DEFAULT_VERIFY_ENABLE) { 10221 return false; 10222 } 10223 // TODO: fix b/25118622; don't bypass verification 10224 if (Build.IS_DEBUGGABLE && (installFlags & PackageManager.INSTALL_QUICK) != 0) { 10225 return false; 10226 } 10227 10228 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 10229 10230 // Check if installing from ADB 10231 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 10232 // Do not run verification in a test harness environment 10233 if (ActivityManager.isRunningInTestHarness()) { 10234 return false; 10235 } 10236 if (ensureVerifyAppsEnabled) { 10237 return true; 10238 } 10239 // Check if the developer does not want package verification for ADB installs 10240 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10241 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 10242 return false; 10243 } 10244 } 10245 10246 if (ensureVerifyAppsEnabled) { 10247 return true; 10248 } 10249 10250 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10251 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 10252 } 10253 10254 @Override 10255 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 10256 throws RemoteException { 10257 mContext.enforceCallingOrSelfPermission( 10258 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 10259 "Only intentfilter verification agents can verify applications"); 10260 10261 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 10262 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 10263 Binder.getCallingUid(), verificationCode, failedDomains); 10264 msg.arg1 = id; 10265 msg.obj = response; 10266 mHandler.sendMessage(msg); 10267 } 10268 10269 @Override 10270 public int getIntentVerificationStatus(String packageName, int userId) { 10271 synchronized (mPackages) { 10272 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 10273 } 10274 } 10275 10276 @Override 10277 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10278 mContext.enforceCallingOrSelfPermission( 10279 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10280 10281 boolean result = false; 10282 synchronized (mPackages) { 10283 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10284 } 10285 if (result) { 10286 scheduleWritePackageRestrictionsLocked(userId); 10287 } 10288 return result; 10289 } 10290 10291 @Override 10292 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10293 synchronized (mPackages) { 10294 return mSettings.getIntentFilterVerificationsLPr(packageName); 10295 } 10296 } 10297 10298 @Override 10299 public List<IntentFilter> getAllIntentFilters(String packageName) { 10300 if (TextUtils.isEmpty(packageName)) { 10301 return Collections.<IntentFilter>emptyList(); 10302 } 10303 synchronized (mPackages) { 10304 PackageParser.Package pkg = mPackages.get(packageName); 10305 if (pkg == null || pkg.activities == null) { 10306 return Collections.<IntentFilter>emptyList(); 10307 } 10308 final int count = pkg.activities.size(); 10309 ArrayList<IntentFilter> result = new ArrayList<>(); 10310 for (int n=0; n<count; n++) { 10311 PackageParser.Activity activity = pkg.activities.get(n); 10312 if (activity.intents != null || activity.intents.size() > 0) { 10313 result.addAll(activity.intents); 10314 } 10315 } 10316 return result; 10317 } 10318 } 10319 10320 @Override 10321 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10322 mContext.enforceCallingOrSelfPermission( 10323 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10324 10325 synchronized (mPackages) { 10326 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10327 if (packageName != null) { 10328 result |= updateIntentVerificationStatus(packageName, 10329 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10330 userId); 10331 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10332 packageName, userId); 10333 } 10334 return result; 10335 } 10336 } 10337 10338 @Override 10339 public String getDefaultBrowserPackageName(int userId) { 10340 synchronized (mPackages) { 10341 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10342 } 10343 } 10344 10345 /** 10346 * Get the "allow unknown sources" setting. 10347 * 10348 * @return the current "allow unknown sources" setting 10349 */ 10350 private int getUnknownSourcesSettings() { 10351 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10352 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10353 -1); 10354 } 10355 10356 @Override 10357 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10358 final int uid = Binder.getCallingUid(); 10359 // writer 10360 synchronized (mPackages) { 10361 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10362 if (targetPackageSetting == null) { 10363 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10364 } 10365 10366 PackageSetting installerPackageSetting; 10367 if (installerPackageName != null) { 10368 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10369 if (installerPackageSetting == null) { 10370 throw new IllegalArgumentException("Unknown installer package: " 10371 + installerPackageName); 10372 } 10373 } else { 10374 installerPackageSetting = null; 10375 } 10376 10377 Signature[] callerSignature; 10378 Object obj = mSettings.getUserIdLPr(uid); 10379 if (obj != null) { 10380 if (obj instanceof SharedUserSetting) { 10381 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10382 } else if (obj instanceof PackageSetting) { 10383 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10384 } else { 10385 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10386 } 10387 } else { 10388 throw new SecurityException("Unknown calling uid " + uid); 10389 } 10390 10391 // Verify: can't set installerPackageName to a package that is 10392 // not signed with the same cert as the caller. 10393 if (installerPackageSetting != null) { 10394 if (compareSignatures(callerSignature, 10395 installerPackageSetting.signatures.mSignatures) 10396 != PackageManager.SIGNATURE_MATCH) { 10397 throw new SecurityException( 10398 "Caller does not have same cert as new installer package " 10399 + installerPackageName); 10400 } 10401 } 10402 10403 // Verify: if target already has an installer package, it must 10404 // be signed with the same cert as the caller. 10405 if (targetPackageSetting.installerPackageName != null) { 10406 PackageSetting setting = mSettings.mPackages.get( 10407 targetPackageSetting.installerPackageName); 10408 // If the currently set package isn't valid, then it's always 10409 // okay to change it. 10410 if (setting != null) { 10411 if (compareSignatures(callerSignature, 10412 setting.signatures.mSignatures) 10413 != PackageManager.SIGNATURE_MATCH) { 10414 throw new SecurityException( 10415 "Caller does not have same cert as old installer package " 10416 + targetPackageSetting.installerPackageName); 10417 } 10418 } 10419 } 10420 10421 // Okay! 10422 targetPackageSetting.installerPackageName = installerPackageName; 10423 scheduleWriteSettingsLocked(); 10424 } 10425 } 10426 10427 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10428 // Queue up an async operation since the package installation may take a little while. 10429 mHandler.post(new Runnable() { 10430 public void run() { 10431 mHandler.removeCallbacks(this); 10432 // Result object to be returned 10433 PackageInstalledInfo res = new PackageInstalledInfo(); 10434 res.returnCode = currentStatus; 10435 res.uid = -1; 10436 res.pkg = null; 10437 res.removedInfo = new PackageRemovedInfo(); 10438 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10439 args.doPreInstall(res.returnCode); 10440 synchronized (mInstallLock) { 10441 installPackageTracedLI(args, res); 10442 } 10443 args.doPostInstall(res.returnCode, res.uid); 10444 } 10445 10446 // A restore should be performed at this point if (a) the install 10447 // succeeded, (b) the operation is not an update, and (c) the new 10448 // package has not opted out of backup participation. 10449 final boolean update = res.removedInfo.removedPackage != null; 10450 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10451 boolean doRestore = !update 10452 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10453 10454 // Set up the post-install work request bookkeeping. This will be used 10455 // and cleaned up by the post-install event handling regardless of whether 10456 // there's a restore pass performed. Token values are >= 1. 10457 int token; 10458 if (mNextInstallToken < 0) mNextInstallToken = 1; 10459 token = mNextInstallToken++; 10460 10461 PostInstallData data = new PostInstallData(args, res); 10462 mRunningInstalls.put(token, data); 10463 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10464 10465 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10466 // Pass responsibility to the Backup Manager. It will perform a 10467 // restore if appropriate, then pass responsibility back to the 10468 // Package Manager to run the post-install observer callbacks 10469 // and broadcasts. 10470 IBackupManager bm = IBackupManager.Stub.asInterface( 10471 ServiceManager.getService(Context.BACKUP_SERVICE)); 10472 if (bm != null) { 10473 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10474 + " to BM for possible restore"); 10475 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10476 try { 10477 // TODO: http://b/22388012 10478 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 10479 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10480 } else { 10481 doRestore = false; 10482 } 10483 } catch (RemoteException e) { 10484 // can't happen; the backup manager is local 10485 } catch (Exception e) { 10486 Slog.e(TAG, "Exception trying to enqueue restore", e); 10487 doRestore = false; 10488 } 10489 } else { 10490 Slog.e(TAG, "Backup Manager not found!"); 10491 doRestore = false; 10492 } 10493 } 10494 10495 if (!doRestore) { 10496 // No restore possible, or the Backup Manager was mysteriously not 10497 // available -- just fire the post-install work request directly. 10498 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10499 10500 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 10501 10502 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10503 mHandler.sendMessage(msg); 10504 } 10505 } 10506 }); 10507 } 10508 10509 private abstract class HandlerParams { 10510 private static final int MAX_RETRIES = 4; 10511 10512 /** 10513 * Number of times startCopy() has been attempted and had a non-fatal 10514 * error. 10515 */ 10516 private int mRetries = 0; 10517 10518 /** User handle for the user requesting the information or installation. */ 10519 private final UserHandle mUser; 10520 String traceMethod; 10521 int traceCookie; 10522 10523 HandlerParams(UserHandle user) { 10524 mUser = user; 10525 } 10526 10527 UserHandle getUser() { 10528 return mUser; 10529 } 10530 10531 HandlerParams setTraceMethod(String traceMethod) { 10532 this.traceMethod = traceMethod; 10533 return this; 10534 } 10535 10536 HandlerParams setTraceCookie(int traceCookie) { 10537 this.traceCookie = traceCookie; 10538 return this; 10539 } 10540 10541 final boolean startCopy() { 10542 boolean res; 10543 try { 10544 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10545 10546 if (++mRetries > MAX_RETRIES) { 10547 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10548 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10549 handleServiceError(); 10550 return false; 10551 } else { 10552 handleStartCopy(); 10553 res = true; 10554 } 10555 } catch (RemoteException e) { 10556 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10557 mHandler.sendEmptyMessage(MCS_RECONNECT); 10558 res = false; 10559 } 10560 handleReturnCode(); 10561 return res; 10562 } 10563 10564 final void serviceError() { 10565 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10566 handleServiceError(); 10567 handleReturnCode(); 10568 } 10569 10570 abstract void handleStartCopy() throws RemoteException; 10571 abstract void handleServiceError(); 10572 abstract void handleReturnCode(); 10573 } 10574 10575 class MeasureParams extends HandlerParams { 10576 private final PackageStats mStats; 10577 private boolean mSuccess; 10578 10579 private final IPackageStatsObserver mObserver; 10580 10581 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10582 super(new UserHandle(stats.userHandle)); 10583 mObserver = observer; 10584 mStats = stats; 10585 } 10586 10587 @Override 10588 public String toString() { 10589 return "MeasureParams{" 10590 + Integer.toHexString(System.identityHashCode(this)) 10591 + " " + mStats.packageName + "}"; 10592 } 10593 10594 @Override 10595 void handleStartCopy() throws RemoteException { 10596 synchronized (mInstallLock) { 10597 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10598 } 10599 10600 if (mSuccess) { 10601 final boolean mounted; 10602 if (Environment.isExternalStorageEmulated()) { 10603 mounted = true; 10604 } else { 10605 final String status = Environment.getExternalStorageState(); 10606 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10607 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10608 } 10609 10610 if (mounted) { 10611 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10612 10613 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10614 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10615 10616 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10617 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10618 10619 // Always subtract cache size, since it's a subdirectory 10620 mStats.externalDataSize -= mStats.externalCacheSize; 10621 10622 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10623 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10624 10625 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10626 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10627 } 10628 } 10629 } 10630 10631 @Override 10632 void handleReturnCode() { 10633 if (mObserver != null) { 10634 try { 10635 mObserver.onGetStatsCompleted(mStats, mSuccess); 10636 } catch (RemoteException e) { 10637 Slog.i(TAG, "Observer no longer exists."); 10638 } 10639 } 10640 } 10641 10642 @Override 10643 void handleServiceError() { 10644 Slog.e(TAG, "Could not measure application " + mStats.packageName 10645 + " external storage"); 10646 } 10647 } 10648 10649 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10650 throws RemoteException { 10651 long result = 0; 10652 for (File path : paths) { 10653 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10654 } 10655 return result; 10656 } 10657 10658 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10659 for (File path : paths) { 10660 try { 10661 mcs.clearDirectory(path.getAbsolutePath()); 10662 } catch (RemoteException e) { 10663 } 10664 } 10665 } 10666 10667 static class OriginInfo { 10668 /** 10669 * Location where install is coming from, before it has been 10670 * copied/renamed into place. This could be a single monolithic APK 10671 * file, or a cluster directory. This location may be untrusted. 10672 */ 10673 final File file; 10674 final String cid; 10675 10676 /** 10677 * Flag indicating that {@link #file} or {@link #cid} has already been 10678 * staged, meaning downstream users don't need to defensively copy the 10679 * contents. 10680 */ 10681 final boolean staged; 10682 10683 /** 10684 * Flag indicating that {@link #file} or {@link #cid} is an already 10685 * installed app that is being moved. 10686 */ 10687 final boolean existing; 10688 10689 final String resolvedPath; 10690 final File resolvedFile; 10691 10692 static OriginInfo fromNothing() { 10693 return new OriginInfo(null, null, false, false); 10694 } 10695 10696 static OriginInfo fromUntrustedFile(File file) { 10697 return new OriginInfo(file, null, false, false); 10698 } 10699 10700 static OriginInfo fromExistingFile(File file) { 10701 return new OriginInfo(file, null, false, true); 10702 } 10703 10704 static OriginInfo fromStagedFile(File file) { 10705 return new OriginInfo(file, null, true, false); 10706 } 10707 10708 static OriginInfo fromStagedContainer(String cid) { 10709 return new OriginInfo(null, cid, true, false); 10710 } 10711 10712 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10713 this.file = file; 10714 this.cid = cid; 10715 this.staged = staged; 10716 this.existing = existing; 10717 10718 if (cid != null) { 10719 resolvedPath = PackageHelper.getSdDir(cid); 10720 resolvedFile = new File(resolvedPath); 10721 } else if (file != null) { 10722 resolvedPath = file.getAbsolutePath(); 10723 resolvedFile = file; 10724 } else { 10725 resolvedPath = null; 10726 resolvedFile = null; 10727 } 10728 } 10729 } 10730 10731 class MoveInfo { 10732 final int moveId; 10733 final String fromUuid; 10734 final String toUuid; 10735 final String packageName; 10736 final String dataAppName; 10737 final int appId; 10738 final String seinfo; 10739 10740 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10741 String dataAppName, int appId, String seinfo) { 10742 this.moveId = moveId; 10743 this.fromUuid = fromUuid; 10744 this.toUuid = toUuid; 10745 this.packageName = packageName; 10746 this.dataAppName = dataAppName; 10747 this.appId = appId; 10748 this.seinfo = seinfo; 10749 } 10750 } 10751 10752 class InstallParams extends HandlerParams { 10753 final OriginInfo origin; 10754 final MoveInfo move; 10755 final IPackageInstallObserver2 observer; 10756 int installFlags; 10757 final String installerPackageName; 10758 final String volumeUuid; 10759 final VerificationParams verificationParams; 10760 private InstallArgs mArgs; 10761 private int mRet; 10762 final String packageAbiOverride; 10763 final String[] grantedRuntimePermissions; 10764 10765 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10766 int installFlags, String installerPackageName, String volumeUuid, 10767 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 10768 String[] grantedPermissions) { 10769 super(user); 10770 this.origin = origin; 10771 this.move = move; 10772 this.observer = observer; 10773 this.installFlags = installFlags; 10774 this.installerPackageName = installerPackageName; 10775 this.volumeUuid = volumeUuid; 10776 this.verificationParams = verificationParams; 10777 this.packageAbiOverride = packageAbiOverride; 10778 this.grantedRuntimePermissions = grantedPermissions; 10779 } 10780 10781 @Override 10782 public String toString() { 10783 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10784 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10785 } 10786 10787 public ManifestDigest getManifestDigest() { 10788 if (verificationParams == null) { 10789 return null; 10790 } 10791 return verificationParams.getManifestDigest(); 10792 } 10793 10794 private int installLocationPolicy(PackageInfoLite pkgLite) { 10795 String packageName = pkgLite.packageName; 10796 int installLocation = pkgLite.installLocation; 10797 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10798 // reader 10799 synchronized (mPackages) { 10800 PackageParser.Package pkg = mPackages.get(packageName); 10801 if (pkg != null) { 10802 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10803 // Check for downgrading. 10804 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10805 try { 10806 checkDowngrade(pkg, pkgLite); 10807 } catch (PackageManagerException e) { 10808 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10809 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10810 } 10811 } 10812 // Check for updated system application. 10813 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10814 if (onSd) { 10815 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10816 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10817 } 10818 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10819 } else { 10820 if (onSd) { 10821 // Install flag overrides everything. 10822 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10823 } 10824 // If current upgrade specifies particular preference 10825 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10826 // Application explicitly specified internal. 10827 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10828 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10829 // App explictly prefers external. Let policy decide 10830 } else { 10831 // Prefer previous location 10832 if (isExternal(pkg)) { 10833 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10834 } 10835 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10836 } 10837 } 10838 } else { 10839 // Invalid install. Return error code 10840 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10841 } 10842 } 10843 } 10844 // All the special cases have been taken care of. 10845 // Return result based on recommended install location. 10846 if (onSd) { 10847 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10848 } 10849 return pkgLite.recommendedInstallLocation; 10850 } 10851 10852 /* 10853 * Invoke remote method to get package information and install 10854 * location values. Override install location based on default 10855 * policy if needed and then create install arguments based 10856 * on the install location. 10857 */ 10858 public void handleStartCopy() throws RemoteException { 10859 int ret = PackageManager.INSTALL_SUCCEEDED; 10860 10861 // If we're already staged, we've firmly committed to an install location 10862 if (origin.staged) { 10863 if (origin.file != null) { 10864 installFlags |= PackageManager.INSTALL_INTERNAL; 10865 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10866 } else if (origin.cid != null) { 10867 installFlags |= PackageManager.INSTALL_EXTERNAL; 10868 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10869 } else { 10870 throw new IllegalStateException("Invalid stage location"); 10871 } 10872 } 10873 10874 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10875 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 10876 PackageInfoLite pkgLite = null; 10877 10878 if (onInt && onSd) { 10879 // Check if both bits are set. 10880 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 10881 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10882 } else { 10883 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 10884 packageAbiOverride); 10885 10886 /* 10887 * If we have too little free space, try to free cache 10888 * before giving up. 10889 */ 10890 if (!origin.staged && pkgLite.recommendedInstallLocation 10891 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10892 // TODO: focus freeing disk space on the target device 10893 final StorageManager storage = StorageManager.from(mContext); 10894 final long lowThreshold = storage.getStorageLowBytes( 10895 Environment.getDataDirectory()); 10896 10897 final long sizeBytes = mContainerService.calculateInstalledSize( 10898 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 10899 10900 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 10901 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 10902 installFlags, packageAbiOverride); 10903 } 10904 10905 /* 10906 * The cache free must have deleted the file we 10907 * downloaded to install. 10908 * 10909 * TODO: fix the "freeCache" call to not delete 10910 * the file we care about. 10911 */ 10912 if (pkgLite.recommendedInstallLocation 10913 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10914 pkgLite.recommendedInstallLocation 10915 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 10916 } 10917 } 10918 } 10919 10920 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10921 int loc = pkgLite.recommendedInstallLocation; 10922 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 10923 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10924 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 10925 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10926 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10927 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10928 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 10929 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 10930 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10931 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 10932 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 10933 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 10934 } else { 10935 // Override with defaults if needed. 10936 loc = installLocationPolicy(pkgLite); 10937 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 10938 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 10939 } else if (!onSd && !onInt) { 10940 // Override install location with flags 10941 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 10942 // Set the flag to install on external media. 10943 installFlags |= PackageManager.INSTALL_EXTERNAL; 10944 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10945 } else { 10946 // Make sure the flag for installing on external 10947 // media is unset 10948 installFlags |= PackageManager.INSTALL_INTERNAL; 10949 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10950 } 10951 } 10952 } 10953 } 10954 10955 final InstallArgs args = createInstallArgs(this); 10956 mArgs = args; 10957 10958 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10959 // TODO: http://b/22976637 10960 // Apps installed for "all" users use the device owner to verify the app 10961 UserHandle verifierUser = getUser(); 10962 if (verifierUser == UserHandle.ALL) { 10963 verifierUser = UserHandle.SYSTEM; 10964 } 10965 10966 /* 10967 * Determine if we have any installed package verifiers. If we 10968 * do, then we'll defer to them to verify the packages. 10969 */ 10970 final int requiredUid = mRequiredVerifierPackage == null ? -1 10971 : getPackageUid(mRequiredVerifierPackage, verifierUser.getIdentifier()); 10972 if (!origin.existing && requiredUid != -1 10973 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 10974 final Intent verification = new Intent( 10975 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 10976 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10977 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 10978 PACKAGE_MIME_TYPE); 10979 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10980 10981 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 10982 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 10983 verifierUser.getIdentifier()); 10984 10985 if (DEBUG_VERIFY) { 10986 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 10987 + verification.toString() + " with " + pkgLite.verifiers.length 10988 + " optional verifiers"); 10989 } 10990 10991 final int verificationId = mPendingVerificationToken++; 10992 10993 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10994 10995 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 10996 installerPackageName); 10997 10998 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 10999 installFlags); 11000 11001 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11002 pkgLite.packageName); 11003 11004 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11005 pkgLite.versionCode); 11006 11007 if (verificationParams != null) { 11008 if (verificationParams.getVerificationURI() != null) { 11009 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 11010 verificationParams.getVerificationURI()); 11011 } 11012 if (verificationParams.getOriginatingURI() != null) { 11013 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11014 verificationParams.getOriginatingURI()); 11015 } 11016 if (verificationParams.getReferrer() != null) { 11017 verification.putExtra(Intent.EXTRA_REFERRER, 11018 verificationParams.getReferrer()); 11019 } 11020 if (verificationParams.getOriginatingUid() >= 0) { 11021 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11022 verificationParams.getOriginatingUid()); 11023 } 11024 if (verificationParams.getInstallerUid() >= 0) { 11025 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11026 verificationParams.getInstallerUid()); 11027 } 11028 } 11029 11030 final PackageVerificationState verificationState = new PackageVerificationState( 11031 requiredUid, args); 11032 11033 mPendingVerification.append(verificationId, verificationState); 11034 11035 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11036 receivers, verificationState); 11037 11038 /* 11039 * If any sufficient verifiers were listed in the package 11040 * manifest, attempt to ask them. 11041 */ 11042 if (sufficientVerifiers != null) { 11043 final int N = sufficientVerifiers.size(); 11044 if (N == 0) { 11045 Slog.i(TAG, "Additional verifiers required, but none installed."); 11046 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11047 } else { 11048 for (int i = 0; i < N; i++) { 11049 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11050 11051 final Intent sufficientIntent = new Intent(verification); 11052 sufficientIntent.setComponent(verifierComponent); 11053 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11054 } 11055 } 11056 } 11057 11058 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11059 mRequiredVerifierPackage, receivers); 11060 if (ret == PackageManager.INSTALL_SUCCEEDED 11061 && mRequiredVerifierPackage != null) { 11062 Trace.asyncTraceBegin( 11063 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11064 /* 11065 * Send the intent to the required verification agent, 11066 * but only start the verification timeout after the 11067 * target BroadcastReceivers have run. 11068 */ 11069 verification.setComponent(requiredVerifierComponent); 11070 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11071 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11072 new BroadcastReceiver() { 11073 @Override 11074 public void onReceive(Context context, Intent intent) { 11075 final Message msg = mHandler 11076 .obtainMessage(CHECK_PENDING_VERIFICATION); 11077 msg.arg1 = verificationId; 11078 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11079 } 11080 }, null, 0, null, null); 11081 11082 /* 11083 * We don't want the copy to proceed until verification 11084 * succeeds, so null out this field. 11085 */ 11086 mArgs = null; 11087 } 11088 } else { 11089 /* 11090 * No package verification is enabled, so immediately start 11091 * the remote call to initiate copy using temporary file. 11092 */ 11093 ret = args.copyApk(mContainerService, true); 11094 } 11095 } 11096 11097 mRet = ret; 11098 } 11099 11100 @Override 11101 void handleReturnCode() { 11102 // If mArgs is null, then MCS couldn't be reached. When it 11103 // reconnects, it will try again to install. At that point, this 11104 // will succeed. 11105 if (mArgs != null) { 11106 processPendingInstall(mArgs, mRet); 11107 } 11108 } 11109 11110 @Override 11111 void handleServiceError() { 11112 mArgs = createInstallArgs(this); 11113 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11114 } 11115 11116 public boolean isForwardLocked() { 11117 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11118 } 11119 } 11120 11121 /** 11122 * Used during creation of InstallArgs 11123 * 11124 * @param installFlags package installation flags 11125 * @return true if should be installed on external storage 11126 */ 11127 private static boolean installOnExternalAsec(int installFlags) { 11128 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11129 return false; 11130 } 11131 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11132 return true; 11133 } 11134 return false; 11135 } 11136 11137 /** 11138 * Used during creation of InstallArgs 11139 * 11140 * @param installFlags package installation flags 11141 * @return true if should be installed as forward locked 11142 */ 11143 private static boolean installForwardLocked(int installFlags) { 11144 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11145 } 11146 11147 private InstallArgs createInstallArgs(InstallParams params) { 11148 if (params.move != null) { 11149 return new MoveInstallArgs(params); 11150 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11151 return new AsecInstallArgs(params); 11152 } else { 11153 return new FileInstallArgs(params); 11154 } 11155 } 11156 11157 /** 11158 * Create args that describe an existing installed package. Typically used 11159 * when cleaning up old installs, or used as a move source. 11160 */ 11161 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11162 String resourcePath, String[] instructionSets) { 11163 final boolean isInAsec; 11164 if (installOnExternalAsec(installFlags)) { 11165 /* Apps on SD card are always in ASEC containers. */ 11166 isInAsec = true; 11167 } else if (installForwardLocked(installFlags) 11168 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11169 /* 11170 * Forward-locked apps are only in ASEC containers if they're the 11171 * new style 11172 */ 11173 isInAsec = true; 11174 } else { 11175 isInAsec = false; 11176 } 11177 11178 if (isInAsec) { 11179 return new AsecInstallArgs(codePath, instructionSets, 11180 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11181 } else { 11182 return new FileInstallArgs(codePath, resourcePath, instructionSets); 11183 } 11184 } 11185 11186 static abstract class InstallArgs { 11187 /** @see InstallParams#origin */ 11188 final OriginInfo origin; 11189 /** @see InstallParams#move */ 11190 final MoveInfo move; 11191 11192 final IPackageInstallObserver2 observer; 11193 // Always refers to PackageManager flags only 11194 final int installFlags; 11195 final String installerPackageName; 11196 final String volumeUuid; 11197 final ManifestDigest manifestDigest; 11198 final UserHandle user; 11199 final String abiOverride; 11200 final String[] installGrantPermissions; 11201 /** If non-null, drop an async trace when the install completes */ 11202 final String traceMethod; 11203 final int traceCookie; 11204 11205 // The list of instruction sets supported by this app. This is currently 11206 // only used during the rmdex() phase to clean up resources. We can get rid of this 11207 // if we move dex files under the common app path. 11208 /* nullable */ String[] instructionSets; 11209 11210 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11211 int installFlags, String installerPackageName, String volumeUuid, 11212 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 11213 String abiOverride, String[] installGrantPermissions, 11214 String traceMethod, int traceCookie) { 11215 this.origin = origin; 11216 this.move = move; 11217 this.installFlags = installFlags; 11218 this.observer = observer; 11219 this.installerPackageName = installerPackageName; 11220 this.volumeUuid = volumeUuid; 11221 this.manifestDigest = manifestDigest; 11222 this.user = user; 11223 this.instructionSets = instructionSets; 11224 this.abiOverride = abiOverride; 11225 this.installGrantPermissions = installGrantPermissions; 11226 this.traceMethod = traceMethod; 11227 this.traceCookie = traceCookie; 11228 } 11229 11230 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 11231 abstract int doPreInstall(int status); 11232 11233 /** 11234 * Rename package into final resting place. All paths on the given 11235 * scanned package should be updated to reflect the rename. 11236 */ 11237 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 11238 abstract int doPostInstall(int status, int uid); 11239 11240 /** @see PackageSettingBase#codePathString */ 11241 abstract String getCodePath(); 11242 /** @see PackageSettingBase#resourcePathString */ 11243 abstract String getResourcePath(); 11244 11245 // Need installer lock especially for dex file removal. 11246 abstract void cleanUpResourcesLI(); 11247 abstract boolean doPostDeleteLI(boolean delete); 11248 11249 /** 11250 * Called before the source arguments are copied. This is used mostly 11251 * for MoveParams when it needs to read the source file to put it in the 11252 * destination. 11253 */ 11254 int doPreCopy() { 11255 return PackageManager.INSTALL_SUCCEEDED; 11256 } 11257 11258 /** 11259 * Called after the source arguments are copied. This is used mostly for 11260 * MoveParams when it needs to read the source file to put it in the 11261 * destination. 11262 * 11263 * @return 11264 */ 11265 int doPostCopy(int uid) { 11266 return PackageManager.INSTALL_SUCCEEDED; 11267 } 11268 11269 protected boolean isFwdLocked() { 11270 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11271 } 11272 11273 protected boolean isExternalAsec() { 11274 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11275 } 11276 11277 UserHandle getUser() { 11278 return user; 11279 } 11280 } 11281 11282 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 11283 if (!allCodePaths.isEmpty()) { 11284 if (instructionSets == null) { 11285 throw new IllegalStateException("instructionSet == null"); 11286 } 11287 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11288 for (String codePath : allCodePaths) { 11289 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11290 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 11291 if (retCode < 0) { 11292 Slog.w(TAG, "Couldn't remove dex file for package: " 11293 + " at location " + codePath + ", retcode=" + retCode); 11294 // we don't consider this to be a failure of the core package deletion 11295 } 11296 } 11297 } 11298 } 11299 } 11300 11301 /** 11302 * Logic to handle installation of non-ASEC applications, including copying 11303 * and renaming logic. 11304 */ 11305 class FileInstallArgs extends InstallArgs { 11306 private File codeFile; 11307 private File resourceFile; 11308 11309 // Example topology: 11310 // /data/app/com.example/base.apk 11311 // /data/app/com.example/split_foo.apk 11312 // /data/app/com.example/lib/arm/libfoo.so 11313 // /data/app/com.example/lib/arm64/libfoo.so 11314 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11315 11316 /** New install */ 11317 FileInstallArgs(InstallParams params) { 11318 super(params.origin, params.move, params.observer, params.installFlags, 11319 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11320 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11321 params.grantedRuntimePermissions, 11322 params.traceMethod, params.traceCookie); 11323 if (isFwdLocked()) { 11324 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11325 } 11326 } 11327 11328 /** Existing install */ 11329 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11330 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 11331 null, null, null, 0); 11332 this.codeFile = (codePath != null) ? new File(codePath) : null; 11333 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11334 } 11335 11336 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11337 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 11338 try { 11339 return doCopyApk(imcs, temp); 11340 } finally { 11341 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11342 } 11343 } 11344 11345 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11346 if (origin.staged) { 11347 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11348 codeFile = origin.file; 11349 resourceFile = origin.file; 11350 return PackageManager.INSTALL_SUCCEEDED; 11351 } 11352 11353 try { 11354 final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid); 11355 codeFile = tempDir; 11356 resourceFile = tempDir; 11357 } catch (IOException e) { 11358 Slog.w(TAG, "Failed to create copy file: " + e); 11359 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11360 } 11361 11362 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11363 @Override 11364 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11365 if (!FileUtils.isValidExtFilename(name)) { 11366 throw new IllegalArgumentException("Invalid filename: " + name); 11367 } 11368 try { 11369 final File file = new File(codeFile, name); 11370 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11371 O_RDWR | O_CREAT, 0644); 11372 Os.chmod(file.getAbsolutePath(), 0644); 11373 return new ParcelFileDescriptor(fd); 11374 } catch (ErrnoException e) { 11375 throw new RemoteException("Failed to open: " + e.getMessage()); 11376 } 11377 } 11378 }; 11379 11380 int ret = PackageManager.INSTALL_SUCCEEDED; 11381 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11382 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11383 Slog.e(TAG, "Failed to copy package"); 11384 return ret; 11385 } 11386 11387 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11388 NativeLibraryHelper.Handle handle = null; 11389 try { 11390 handle = NativeLibraryHelper.Handle.create(codeFile); 11391 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11392 abiOverride); 11393 } catch (IOException e) { 11394 Slog.e(TAG, "Copying native libraries failed", e); 11395 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11396 } finally { 11397 IoUtils.closeQuietly(handle); 11398 } 11399 11400 return ret; 11401 } 11402 11403 int doPreInstall(int status) { 11404 if (status != PackageManager.INSTALL_SUCCEEDED) { 11405 cleanUp(); 11406 } 11407 return status; 11408 } 11409 11410 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11411 if (status != PackageManager.INSTALL_SUCCEEDED) { 11412 cleanUp(); 11413 return false; 11414 } 11415 11416 final File targetDir = codeFile.getParentFile(); 11417 final File beforeCodeFile = codeFile; 11418 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11419 11420 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11421 try { 11422 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11423 } catch (ErrnoException e) { 11424 Slog.w(TAG, "Failed to rename", e); 11425 return false; 11426 } 11427 11428 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11429 Slog.w(TAG, "Failed to restorecon"); 11430 return false; 11431 } 11432 11433 // Reflect the rename internally 11434 codeFile = afterCodeFile; 11435 resourceFile = afterCodeFile; 11436 11437 // Reflect the rename in scanned details 11438 pkg.codePath = afterCodeFile.getAbsolutePath(); 11439 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11440 pkg.baseCodePath); 11441 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11442 pkg.splitCodePaths); 11443 11444 // Reflect the rename in app info 11445 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11446 pkg.applicationInfo.setCodePath(pkg.codePath); 11447 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11448 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11449 pkg.applicationInfo.setResourcePath(pkg.codePath); 11450 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11451 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11452 11453 return true; 11454 } 11455 11456 int doPostInstall(int status, int uid) { 11457 if (status != PackageManager.INSTALL_SUCCEEDED) { 11458 cleanUp(); 11459 } 11460 return status; 11461 } 11462 11463 @Override 11464 String getCodePath() { 11465 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11466 } 11467 11468 @Override 11469 String getResourcePath() { 11470 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11471 } 11472 11473 private boolean cleanUp() { 11474 if (codeFile == null || !codeFile.exists()) { 11475 return false; 11476 } 11477 11478 if (codeFile.isDirectory()) { 11479 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11480 } else { 11481 codeFile.delete(); 11482 } 11483 11484 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11485 resourceFile.delete(); 11486 } 11487 11488 return true; 11489 } 11490 11491 void cleanUpResourcesLI() { 11492 // Try enumerating all code paths before deleting 11493 List<String> allCodePaths = Collections.EMPTY_LIST; 11494 if (codeFile != null && codeFile.exists()) { 11495 try { 11496 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11497 allCodePaths = pkg.getAllCodePaths(); 11498 } catch (PackageParserException e) { 11499 // Ignored; we tried our best 11500 } 11501 } 11502 11503 cleanUp(); 11504 removeDexFiles(allCodePaths, instructionSets); 11505 } 11506 11507 boolean doPostDeleteLI(boolean delete) { 11508 // XXX err, shouldn't we respect the delete flag? 11509 cleanUpResourcesLI(); 11510 return true; 11511 } 11512 } 11513 11514 private boolean isAsecExternal(String cid) { 11515 final String asecPath = PackageHelper.getSdFilesystem(cid); 11516 return !asecPath.startsWith(mAsecInternalPath); 11517 } 11518 11519 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11520 PackageManagerException { 11521 if (copyRet < 0) { 11522 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11523 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11524 throw new PackageManagerException(copyRet, message); 11525 } 11526 } 11527 } 11528 11529 /** 11530 * Extract the MountService "container ID" from the full code path of an 11531 * .apk. 11532 */ 11533 static String cidFromCodePath(String fullCodePath) { 11534 int eidx = fullCodePath.lastIndexOf("/"); 11535 String subStr1 = fullCodePath.substring(0, eidx); 11536 int sidx = subStr1.lastIndexOf("/"); 11537 return subStr1.substring(sidx+1, eidx); 11538 } 11539 11540 /** 11541 * Logic to handle installation of ASEC applications, including copying and 11542 * renaming logic. 11543 */ 11544 class AsecInstallArgs extends InstallArgs { 11545 static final String RES_FILE_NAME = "pkg.apk"; 11546 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11547 11548 String cid; 11549 String packagePath; 11550 String resourcePath; 11551 11552 /** New install */ 11553 AsecInstallArgs(InstallParams params) { 11554 super(params.origin, params.move, params.observer, params.installFlags, 11555 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11556 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11557 params.grantedRuntimePermissions, 11558 params.traceMethod, params.traceCookie); 11559 } 11560 11561 /** Existing install */ 11562 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11563 boolean isExternal, boolean isForwardLocked) { 11564 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11565 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11566 instructionSets, null, null, null, 0); 11567 // Hackily pretend we're still looking at a full code path 11568 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11569 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11570 } 11571 11572 // Extract cid from fullCodePath 11573 int eidx = fullCodePath.lastIndexOf("/"); 11574 String subStr1 = fullCodePath.substring(0, eidx); 11575 int sidx = subStr1.lastIndexOf("/"); 11576 cid = subStr1.substring(sidx+1, eidx); 11577 setMountPath(subStr1); 11578 } 11579 11580 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11581 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11582 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11583 instructionSets, null, null, null, 0); 11584 this.cid = cid; 11585 setMountPath(PackageHelper.getSdDir(cid)); 11586 } 11587 11588 void createCopyFile() { 11589 cid = mInstallerService.allocateExternalStageCidLegacy(); 11590 } 11591 11592 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11593 if (origin.staged) { 11594 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11595 cid = origin.cid; 11596 setMountPath(PackageHelper.getSdDir(cid)); 11597 return PackageManager.INSTALL_SUCCEEDED; 11598 } 11599 11600 if (temp) { 11601 createCopyFile(); 11602 } else { 11603 /* 11604 * Pre-emptively destroy the container since it's destroyed if 11605 * copying fails due to it existing anyway. 11606 */ 11607 PackageHelper.destroySdDir(cid); 11608 } 11609 11610 final String newMountPath = imcs.copyPackageToContainer( 11611 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11612 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11613 11614 if (newMountPath != null) { 11615 setMountPath(newMountPath); 11616 return PackageManager.INSTALL_SUCCEEDED; 11617 } else { 11618 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11619 } 11620 } 11621 11622 @Override 11623 String getCodePath() { 11624 return packagePath; 11625 } 11626 11627 @Override 11628 String getResourcePath() { 11629 return resourcePath; 11630 } 11631 11632 int doPreInstall(int status) { 11633 if (status != PackageManager.INSTALL_SUCCEEDED) { 11634 // Destroy container 11635 PackageHelper.destroySdDir(cid); 11636 } else { 11637 boolean mounted = PackageHelper.isContainerMounted(cid); 11638 if (!mounted) { 11639 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11640 Process.SYSTEM_UID); 11641 if (newMountPath != null) { 11642 setMountPath(newMountPath); 11643 } else { 11644 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11645 } 11646 } 11647 } 11648 return status; 11649 } 11650 11651 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11652 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11653 String newMountPath = null; 11654 if (PackageHelper.isContainerMounted(cid)) { 11655 // Unmount the container 11656 if (!PackageHelper.unMountSdDir(cid)) { 11657 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11658 return false; 11659 } 11660 } 11661 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11662 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11663 " which might be stale. Will try to clean up."); 11664 // Clean up the stale container and proceed to recreate. 11665 if (!PackageHelper.destroySdDir(newCacheId)) { 11666 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11667 return false; 11668 } 11669 // Successfully cleaned up stale container. Try to rename again. 11670 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11671 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11672 + " inspite of cleaning it up."); 11673 return false; 11674 } 11675 } 11676 if (!PackageHelper.isContainerMounted(newCacheId)) { 11677 Slog.w(TAG, "Mounting container " + newCacheId); 11678 newMountPath = PackageHelper.mountSdDir(newCacheId, 11679 getEncryptKey(), Process.SYSTEM_UID); 11680 } else { 11681 newMountPath = PackageHelper.getSdDir(newCacheId); 11682 } 11683 if (newMountPath == null) { 11684 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11685 return false; 11686 } 11687 Log.i(TAG, "Succesfully renamed " + cid + 11688 " to " + newCacheId + 11689 " at new path: " + newMountPath); 11690 cid = newCacheId; 11691 11692 final File beforeCodeFile = new File(packagePath); 11693 setMountPath(newMountPath); 11694 final File afterCodeFile = new File(packagePath); 11695 11696 // Reflect the rename in scanned details 11697 pkg.codePath = afterCodeFile.getAbsolutePath(); 11698 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11699 pkg.baseCodePath); 11700 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11701 pkg.splitCodePaths); 11702 11703 // Reflect the rename in app info 11704 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11705 pkg.applicationInfo.setCodePath(pkg.codePath); 11706 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11707 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11708 pkg.applicationInfo.setResourcePath(pkg.codePath); 11709 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11710 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11711 11712 return true; 11713 } 11714 11715 private void setMountPath(String mountPath) { 11716 final File mountFile = new File(mountPath); 11717 11718 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11719 if (monolithicFile.exists()) { 11720 packagePath = monolithicFile.getAbsolutePath(); 11721 if (isFwdLocked()) { 11722 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11723 } else { 11724 resourcePath = packagePath; 11725 } 11726 } else { 11727 packagePath = mountFile.getAbsolutePath(); 11728 resourcePath = packagePath; 11729 } 11730 } 11731 11732 int doPostInstall(int status, int uid) { 11733 if (status != PackageManager.INSTALL_SUCCEEDED) { 11734 cleanUp(); 11735 } else { 11736 final int groupOwner; 11737 final String protectedFile; 11738 if (isFwdLocked()) { 11739 groupOwner = UserHandle.getSharedAppGid(uid); 11740 protectedFile = RES_FILE_NAME; 11741 } else { 11742 groupOwner = -1; 11743 protectedFile = null; 11744 } 11745 11746 if (uid < Process.FIRST_APPLICATION_UID 11747 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11748 Slog.e(TAG, "Failed to finalize " + cid); 11749 PackageHelper.destroySdDir(cid); 11750 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11751 } 11752 11753 boolean mounted = PackageHelper.isContainerMounted(cid); 11754 if (!mounted) { 11755 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11756 } 11757 } 11758 return status; 11759 } 11760 11761 private void cleanUp() { 11762 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11763 11764 // Destroy secure container 11765 PackageHelper.destroySdDir(cid); 11766 } 11767 11768 private List<String> getAllCodePaths() { 11769 final File codeFile = new File(getCodePath()); 11770 if (codeFile != null && codeFile.exists()) { 11771 try { 11772 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11773 return pkg.getAllCodePaths(); 11774 } catch (PackageParserException e) { 11775 // Ignored; we tried our best 11776 } 11777 } 11778 return Collections.EMPTY_LIST; 11779 } 11780 11781 void cleanUpResourcesLI() { 11782 // Enumerate all code paths before deleting 11783 cleanUpResourcesLI(getAllCodePaths()); 11784 } 11785 11786 private void cleanUpResourcesLI(List<String> allCodePaths) { 11787 cleanUp(); 11788 removeDexFiles(allCodePaths, instructionSets); 11789 } 11790 11791 String getPackageName() { 11792 return getAsecPackageName(cid); 11793 } 11794 11795 boolean doPostDeleteLI(boolean delete) { 11796 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11797 final List<String> allCodePaths = getAllCodePaths(); 11798 boolean mounted = PackageHelper.isContainerMounted(cid); 11799 if (mounted) { 11800 // Unmount first 11801 if (PackageHelper.unMountSdDir(cid)) { 11802 mounted = false; 11803 } 11804 } 11805 if (!mounted && delete) { 11806 cleanUpResourcesLI(allCodePaths); 11807 } 11808 return !mounted; 11809 } 11810 11811 @Override 11812 int doPreCopy() { 11813 if (isFwdLocked()) { 11814 if (!PackageHelper.fixSdPermissions(cid, 11815 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 11816 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11817 } 11818 } 11819 11820 return PackageManager.INSTALL_SUCCEEDED; 11821 } 11822 11823 @Override 11824 int doPostCopy(int uid) { 11825 if (isFwdLocked()) { 11826 if (uid < Process.FIRST_APPLICATION_UID 11827 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11828 RES_FILE_NAME)) { 11829 Slog.e(TAG, "Failed to finalize " + cid); 11830 PackageHelper.destroySdDir(cid); 11831 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11832 } 11833 } 11834 11835 return PackageManager.INSTALL_SUCCEEDED; 11836 } 11837 } 11838 11839 /** 11840 * Logic to handle movement of existing installed applications. 11841 */ 11842 class MoveInstallArgs extends InstallArgs { 11843 private File codeFile; 11844 private File resourceFile; 11845 11846 /** New install */ 11847 MoveInstallArgs(InstallParams params) { 11848 super(params.origin, params.move, params.observer, params.installFlags, 11849 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11850 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11851 params.grantedRuntimePermissions, 11852 params.traceMethod, params.traceCookie); 11853 } 11854 11855 int copyApk(IMediaContainerService imcs, boolean temp) { 11856 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 11857 + move.fromUuid + " to " + move.toUuid); 11858 synchronized (mInstaller) { 11859 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 11860 move.dataAppName, move.appId, move.seinfo) != 0) { 11861 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11862 } 11863 } 11864 11865 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 11866 resourceFile = codeFile; 11867 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 11868 11869 return PackageManager.INSTALL_SUCCEEDED; 11870 } 11871 11872 int doPreInstall(int status) { 11873 if (status != PackageManager.INSTALL_SUCCEEDED) { 11874 cleanUp(move.toUuid); 11875 } 11876 return status; 11877 } 11878 11879 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11880 if (status != PackageManager.INSTALL_SUCCEEDED) { 11881 cleanUp(move.toUuid); 11882 return false; 11883 } 11884 11885 // Reflect the move in app info 11886 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11887 pkg.applicationInfo.setCodePath(pkg.codePath); 11888 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11889 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11890 pkg.applicationInfo.setResourcePath(pkg.codePath); 11891 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11892 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11893 11894 return true; 11895 } 11896 11897 int doPostInstall(int status, int uid) { 11898 if (status == PackageManager.INSTALL_SUCCEEDED) { 11899 cleanUp(move.fromUuid); 11900 } else { 11901 cleanUp(move.toUuid); 11902 } 11903 return status; 11904 } 11905 11906 @Override 11907 String getCodePath() { 11908 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11909 } 11910 11911 @Override 11912 String getResourcePath() { 11913 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11914 } 11915 11916 private boolean cleanUp(String volumeUuid) { 11917 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 11918 move.dataAppName); 11919 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 11920 synchronized (mInstallLock) { 11921 // Clean up both app data and code 11922 removeDataDirsLI(volumeUuid, move.packageName); 11923 if (codeFile.isDirectory()) { 11924 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11925 } else { 11926 codeFile.delete(); 11927 } 11928 } 11929 return true; 11930 } 11931 11932 void cleanUpResourcesLI() { 11933 throw new UnsupportedOperationException(); 11934 } 11935 11936 boolean doPostDeleteLI(boolean delete) { 11937 throw new UnsupportedOperationException(); 11938 } 11939 } 11940 11941 static String getAsecPackageName(String packageCid) { 11942 int idx = packageCid.lastIndexOf("-"); 11943 if (idx == -1) { 11944 return packageCid; 11945 } 11946 return packageCid.substring(0, idx); 11947 } 11948 11949 // Utility method used to create code paths based on package name and available index. 11950 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 11951 String idxStr = ""; 11952 int idx = 1; 11953 // Fall back to default value of idx=1 if prefix is not 11954 // part of oldCodePath 11955 if (oldCodePath != null) { 11956 String subStr = oldCodePath; 11957 // Drop the suffix right away 11958 if (suffix != null && subStr.endsWith(suffix)) { 11959 subStr = subStr.substring(0, subStr.length() - suffix.length()); 11960 } 11961 // If oldCodePath already contains prefix find out the 11962 // ending index to either increment or decrement. 11963 int sidx = subStr.lastIndexOf(prefix); 11964 if (sidx != -1) { 11965 subStr = subStr.substring(sidx + prefix.length()); 11966 if (subStr != null) { 11967 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 11968 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 11969 } 11970 try { 11971 idx = Integer.parseInt(subStr); 11972 if (idx <= 1) { 11973 idx++; 11974 } else { 11975 idx--; 11976 } 11977 } catch(NumberFormatException e) { 11978 } 11979 } 11980 } 11981 } 11982 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 11983 return prefix + idxStr; 11984 } 11985 11986 private File getNextCodePath(File targetDir, String packageName) { 11987 int suffix = 1; 11988 File result; 11989 do { 11990 result = new File(targetDir, packageName + "-" + suffix); 11991 suffix++; 11992 } while (result.exists()); 11993 return result; 11994 } 11995 11996 // Utility method that returns the relative package path with respect 11997 // to the installation directory. Like say for /data/data/com.test-1.apk 11998 // string com.test-1 is returned. 11999 static String deriveCodePathName(String codePath) { 12000 if (codePath == null) { 12001 return null; 12002 } 12003 final File codeFile = new File(codePath); 12004 final String name = codeFile.getName(); 12005 if (codeFile.isDirectory()) { 12006 return name; 12007 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12008 final int lastDot = name.lastIndexOf('.'); 12009 return name.substring(0, lastDot); 12010 } else { 12011 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12012 return null; 12013 } 12014 } 12015 12016 class PackageInstalledInfo { 12017 String name; 12018 int uid; 12019 // The set of users that originally had this package installed. 12020 int[] origUsers; 12021 // The set of users that now have this package installed. 12022 int[] newUsers; 12023 PackageParser.Package pkg; 12024 int returnCode; 12025 String returnMsg; 12026 PackageRemovedInfo removedInfo; 12027 12028 public void setError(int code, String msg) { 12029 returnCode = code; 12030 returnMsg = msg; 12031 Slog.w(TAG, msg); 12032 } 12033 12034 public void setError(String msg, PackageParserException e) { 12035 returnCode = e.error; 12036 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12037 Slog.w(TAG, msg, e); 12038 } 12039 12040 public void setError(String msg, PackageManagerException e) { 12041 returnCode = e.error; 12042 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12043 Slog.w(TAG, msg, e); 12044 } 12045 12046 // In some error cases we want to convey more info back to the observer 12047 String origPackage; 12048 String origPermission; 12049 } 12050 12051 /* 12052 * Install a non-existing package. 12053 */ 12054 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12055 UserHandle user, String installerPackageName, String volumeUuid, 12056 PackageInstalledInfo res) { 12057 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12058 12059 // Remember this for later, in case we need to rollback this install 12060 String pkgName = pkg.packageName; 12061 12062 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12063 // TODO: b/23350563 12064 final boolean dataDirExists = Environment 12065 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists(); 12066 12067 synchronized(mPackages) { 12068 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12069 // A package with the same name is already installed, though 12070 // it has been renamed to an older name. The package we 12071 // are trying to install should be installed as an update to 12072 // the existing one, but that has not been requested, so bail. 12073 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12074 + " without first uninstalling package running as " 12075 + mSettings.mRenamedPackages.get(pkgName)); 12076 return; 12077 } 12078 if (mPackages.containsKey(pkgName)) { 12079 // Don't allow installation over an existing package with the same name. 12080 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12081 + " without first uninstalling."); 12082 return; 12083 } 12084 } 12085 12086 try { 12087 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12088 System.currentTimeMillis(), user); 12089 12090 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 12091 // delete the partially installed application. the data directory will have to be 12092 // restored if it was already existing 12093 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12094 // remove package from internal structures. Note that we want deletePackageX to 12095 // delete the package data and cache directories that it created in 12096 // scanPackageLocked, unless those directories existed before we even tried to 12097 // install. 12098 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 12099 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 12100 res.removedInfo, true); 12101 } 12102 12103 } catch (PackageManagerException e) { 12104 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12105 } 12106 12107 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12108 } 12109 12110 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12111 // Can't rotate keys during boot or if sharedUser. 12112 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12113 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12114 return false; 12115 } 12116 // app is using upgradeKeySets; make sure all are valid 12117 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12118 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12119 for (int i = 0; i < upgradeKeySets.length; i++) { 12120 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12121 Slog.wtf(TAG, "Package " 12122 + (oldPs.name != null ? oldPs.name : "<null>") 12123 + " contains upgrade-key-set reference to unknown key-set: " 12124 + upgradeKeySets[i] 12125 + " reverting to signatures check."); 12126 return false; 12127 } 12128 } 12129 return true; 12130 } 12131 12132 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12133 // Upgrade keysets are being used. Determine if new package has a superset of the 12134 // required keys. 12135 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12136 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12137 for (int i = 0; i < upgradeKeySets.length; i++) { 12138 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12139 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12140 return true; 12141 } 12142 } 12143 return false; 12144 } 12145 12146 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12147 UserHandle user, String installerPackageName, String volumeUuid, 12148 PackageInstalledInfo res) { 12149 final PackageParser.Package oldPackage; 12150 final String pkgName = pkg.packageName; 12151 final int[] allUsers; 12152 final boolean[] perUserInstalled; 12153 12154 // First find the old package info and check signatures 12155 synchronized(mPackages) { 12156 oldPackage = mPackages.get(pkgName); 12157 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12158 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12159 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12160 if(!checkUpgradeKeySetLP(ps, pkg)) { 12161 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12162 "New package not signed by keys specified by upgrade-keysets: " 12163 + pkgName); 12164 return; 12165 } 12166 } else { 12167 // default to original signature matching 12168 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 12169 != PackageManager.SIGNATURE_MATCH) { 12170 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12171 "New package has a different signature: " + pkgName); 12172 return; 12173 } 12174 } 12175 12176 // In case of rollback, remember per-user/profile install state 12177 allUsers = sUserManager.getUserIds(); 12178 perUserInstalled = new boolean[allUsers.length]; 12179 for (int i = 0; i < allUsers.length; i++) { 12180 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12181 } 12182 } 12183 12184 boolean sysPkg = (isSystemApp(oldPackage)); 12185 if (sysPkg) { 12186 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12187 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12188 } else { 12189 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12190 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12191 } 12192 } 12193 12194 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 12195 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12196 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12197 String volumeUuid, PackageInstalledInfo res) { 12198 String pkgName = deletedPackage.packageName; 12199 boolean deletedPkg = true; 12200 boolean updatedSettings = false; 12201 12202 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 12203 + deletedPackage); 12204 long origUpdateTime; 12205 if (pkg.mExtras != null) { 12206 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 12207 } else { 12208 origUpdateTime = 0; 12209 } 12210 12211 // First delete the existing package while retaining the data directory 12212 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 12213 res.removedInfo, true)) { 12214 // If the existing package wasn't successfully deleted 12215 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 12216 deletedPkg = false; 12217 } else { 12218 // Successfully deleted the old package; proceed with replace. 12219 12220 // If deleted package lived in a container, give users a chance to 12221 // relinquish resources before killing. 12222 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 12223 if (DEBUG_INSTALL) { 12224 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 12225 } 12226 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 12227 final ArrayList<String> pkgList = new ArrayList<String>(1); 12228 pkgList.add(deletedPackage.applicationInfo.packageName); 12229 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 12230 } 12231 12232 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 12233 try { 12234 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 12235 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 12236 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12237 perUserInstalled, res, user); 12238 updatedSettings = true; 12239 } catch (PackageManagerException e) { 12240 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12241 } 12242 } 12243 12244 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12245 // remove package from internal structures. Note that we want deletePackageX to 12246 // delete the package data and cache directories that it created in 12247 // scanPackageLocked, unless those directories existed before we even tried to 12248 // install. 12249 if(updatedSettings) { 12250 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 12251 deletePackageLI( 12252 pkgName, null, true, allUsers, perUserInstalled, 12253 PackageManager.DELETE_KEEP_DATA, 12254 res.removedInfo, true); 12255 } 12256 // Since we failed to install the new package we need to restore the old 12257 // package that we deleted. 12258 if (deletedPkg) { 12259 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 12260 File restoreFile = new File(deletedPackage.codePath); 12261 // Parse old package 12262 boolean oldExternal = isExternal(deletedPackage); 12263 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 12264 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 12265 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12266 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 12267 try { 12268 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 12269 null); 12270 } catch (PackageManagerException e) { 12271 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 12272 + e.getMessage()); 12273 return; 12274 } 12275 // Restore of old package succeeded. Update permissions. 12276 // writer 12277 synchronized (mPackages) { 12278 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 12279 UPDATE_PERMISSIONS_ALL); 12280 // can downgrade to reader 12281 mSettings.writeLPr(); 12282 } 12283 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 12284 } 12285 } 12286 } 12287 12288 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 12289 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12290 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12291 String volumeUuid, PackageInstalledInfo res) { 12292 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 12293 + ", old=" + deletedPackage); 12294 boolean disabledSystem = false; 12295 boolean updatedSettings = false; 12296 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 12297 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 12298 != 0) { 12299 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12300 } 12301 String packageName = deletedPackage.packageName; 12302 if (packageName == null) { 12303 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12304 "Attempt to delete null packageName."); 12305 return; 12306 } 12307 PackageParser.Package oldPkg; 12308 PackageSetting oldPkgSetting; 12309 // reader 12310 synchronized (mPackages) { 12311 oldPkg = mPackages.get(packageName); 12312 oldPkgSetting = mSettings.mPackages.get(packageName); 12313 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12314 (oldPkgSetting == null)) { 12315 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12316 "Couldn't find package:" + packageName + " information"); 12317 return; 12318 } 12319 } 12320 12321 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12322 12323 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12324 res.removedInfo.removedPackage = packageName; 12325 // Remove existing system package 12326 removePackageLI(oldPkgSetting, true); 12327 // writer 12328 synchronized (mPackages) { 12329 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12330 if (!disabledSystem && deletedPackage != null) { 12331 // We didn't need to disable the .apk as a current system package, 12332 // which means we are replacing another update that is already 12333 // installed. We need to make sure to delete the older one's .apk. 12334 res.removedInfo.args = createInstallArgsForExisting(0, 12335 deletedPackage.applicationInfo.getCodePath(), 12336 deletedPackage.applicationInfo.getResourcePath(), 12337 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12338 } else { 12339 res.removedInfo.args = null; 12340 } 12341 } 12342 12343 // Successfully disabled the old package. Now proceed with re-installation 12344 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12345 12346 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12347 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12348 12349 PackageParser.Package newPackage = null; 12350 try { 12351 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 12352 if (newPackage.mExtras != null) { 12353 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12354 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12355 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12356 12357 // is the update attempting to change shared user? that isn't going to work... 12358 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12359 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12360 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12361 + " to " + newPkgSetting.sharedUser); 12362 updatedSettings = true; 12363 } 12364 } 12365 12366 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12367 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12368 perUserInstalled, res, user); 12369 updatedSettings = true; 12370 } 12371 12372 } catch (PackageManagerException e) { 12373 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12374 } 12375 12376 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12377 // Re installation failed. Restore old information 12378 // Remove new pkg information 12379 if (newPackage != null) { 12380 removeInstalledPackageLI(newPackage, true); 12381 } 12382 // Add back the old system package 12383 try { 12384 scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12385 } catch (PackageManagerException e) { 12386 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12387 } 12388 // Restore the old system information in Settings 12389 synchronized (mPackages) { 12390 if (disabledSystem) { 12391 mSettings.enableSystemPackageLPw(packageName); 12392 } 12393 if (updatedSettings) { 12394 mSettings.setInstallerPackageName(packageName, 12395 oldPkgSetting.installerPackageName); 12396 } 12397 mSettings.writeLPr(); 12398 } 12399 } 12400 } 12401 12402 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 12403 // Collect all used permissions in the UID 12404 ArraySet<String> usedPermissions = new ArraySet<>(); 12405 final int packageCount = su.packages.size(); 12406 for (int i = 0; i < packageCount; i++) { 12407 PackageSetting ps = su.packages.valueAt(i); 12408 if (ps.pkg == null) { 12409 continue; 12410 } 12411 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 12412 for (int j = 0; j < requestedPermCount; j++) { 12413 String permission = ps.pkg.requestedPermissions.get(j); 12414 BasePermission bp = mSettings.mPermissions.get(permission); 12415 if (bp != null) { 12416 usedPermissions.add(permission); 12417 } 12418 } 12419 } 12420 12421 PermissionsState permissionsState = su.getPermissionsState(); 12422 // Prune install permissions 12423 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 12424 final int installPermCount = installPermStates.size(); 12425 for (int i = installPermCount - 1; i >= 0; i--) { 12426 PermissionState permissionState = installPermStates.get(i); 12427 if (!usedPermissions.contains(permissionState.getName())) { 12428 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12429 if (bp != null) { 12430 permissionsState.revokeInstallPermission(bp); 12431 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12432 PackageManager.MASK_PERMISSION_FLAGS, 0); 12433 } 12434 } 12435 } 12436 12437 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 12438 12439 // Prune runtime permissions 12440 for (int userId : allUserIds) { 12441 List<PermissionState> runtimePermStates = permissionsState 12442 .getRuntimePermissionStates(userId); 12443 final int runtimePermCount = runtimePermStates.size(); 12444 for (int i = runtimePermCount - 1; i >= 0; i--) { 12445 PermissionState permissionState = runtimePermStates.get(i); 12446 if (!usedPermissions.contains(permissionState.getName())) { 12447 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12448 if (bp != null) { 12449 permissionsState.revokeRuntimePermission(bp, userId); 12450 permissionsState.updatePermissionFlags(bp, userId, 12451 PackageManager.MASK_PERMISSION_FLAGS, 0); 12452 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 12453 runtimePermissionChangedUserIds, userId); 12454 } 12455 } 12456 } 12457 } 12458 12459 return runtimePermissionChangedUserIds; 12460 } 12461 12462 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12463 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12464 UserHandle user) { 12465 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 12466 12467 String pkgName = newPackage.packageName; 12468 synchronized (mPackages) { 12469 //write settings. the installStatus will be incomplete at this stage. 12470 //note that the new package setting would have already been 12471 //added to mPackages. It hasn't been persisted yet. 12472 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12473 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12474 mSettings.writeLPr(); 12475 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12476 } 12477 12478 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12479 synchronized (mPackages) { 12480 updatePermissionsLPw(newPackage.packageName, newPackage, 12481 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12482 ? UPDATE_PERMISSIONS_ALL : 0)); 12483 // For system-bundled packages, we assume that installing an upgraded version 12484 // of the package implies that the user actually wants to run that new code, 12485 // so we enable the package. 12486 PackageSetting ps = mSettings.mPackages.get(pkgName); 12487 if (ps != null) { 12488 if (isSystemApp(newPackage)) { 12489 // NB: implicit assumption that system package upgrades apply to all users 12490 if (DEBUG_INSTALL) { 12491 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12492 } 12493 if (res.origUsers != null) { 12494 for (int userHandle : res.origUsers) { 12495 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12496 userHandle, installerPackageName); 12497 } 12498 } 12499 // Also convey the prior install/uninstall state 12500 if (allUsers != null && perUserInstalled != null) { 12501 for (int i = 0; i < allUsers.length; i++) { 12502 if (DEBUG_INSTALL) { 12503 Slog.d(TAG, " user " + allUsers[i] 12504 + " => " + perUserInstalled[i]); 12505 } 12506 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12507 } 12508 // these install state changes will be persisted in the 12509 // upcoming call to mSettings.writeLPr(). 12510 } 12511 } 12512 // It's implied that when a user requests installation, they want the app to be 12513 // installed and enabled. 12514 int userId = user.getIdentifier(); 12515 if (userId != UserHandle.USER_ALL) { 12516 ps.setInstalled(true, userId); 12517 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12518 } 12519 } 12520 res.name = pkgName; 12521 res.uid = newPackage.applicationInfo.uid; 12522 res.pkg = newPackage; 12523 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12524 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12525 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12526 //to update install status 12527 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12528 mSettings.writeLPr(); 12529 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12530 } 12531 12532 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12533 } 12534 12535 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 12536 try { 12537 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 12538 installPackageLI(args, res); 12539 } finally { 12540 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12541 } 12542 } 12543 12544 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12545 final int installFlags = args.installFlags; 12546 final String installerPackageName = args.installerPackageName; 12547 final String volumeUuid = args.volumeUuid; 12548 final File tmpPackageFile = new File(args.getCodePath()); 12549 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12550 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12551 || (args.volumeUuid != null)); 12552 final boolean quickInstall = ((installFlags & PackageManager.INSTALL_QUICK) != 0); 12553 boolean replace = false; 12554 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12555 if (args.move != null) { 12556 // moving a complete application; perfom an initial scan on the new install location 12557 scanFlags |= SCAN_INITIAL; 12558 } 12559 // Result object to be returned 12560 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12561 12562 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12563 12564 // Retrieve PackageSettings and parse package 12565 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12566 | PackageParser.PARSE_ENFORCE_CODE 12567 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12568 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 12569 | (quickInstall ? PackageParser.PARSE_SKIP_VERIFICATION : 0); 12570 PackageParser pp = new PackageParser(); 12571 pp.setSeparateProcesses(mSeparateProcesses); 12572 pp.setDisplayMetrics(mMetrics); 12573 12574 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 12575 final PackageParser.Package pkg; 12576 try { 12577 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12578 } catch (PackageParserException e) { 12579 res.setError("Failed parse during installPackageLI", e); 12580 return; 12581 } finally { 12582 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12583 } 12584 12585 // Mark that we have an install time CPU ABI override. 12586 pkg.cpuAbiOverride = args.abiOverride; 12587 12588 String pkgName = res.name = pkg.packageName; 12589 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12590 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12591 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12592 return; 12593 } 12594 } 12595 12596 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 12597 try { 12598 pp.collectCertificates(pkg, parseFlags); 12599 } catch (PackageParserException e) { 12600 res.setError("Failed collect during installPackageLI", e); 12601 return; 12602 } finally { 12603 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12604 } 12605 12606 /* If the installer passed in a manifest digest, compare it now. */ 12607 if (args.manifestDigest != null) { 12608 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectManifestDigest"); 12609 try { 12610 pp.collectManifestDigest(pkg); 12611 } catch (PackageParserException e) { 12612 res.setError("Failed collect during installPackageLI", e); 12613 return; 12614 } finally { 12615 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12616 } 12617 12618 if (DEBUG_INSTALL) { 12619 final String parsedManifest = pkg.manifestDigest == null ? "null" 12620 : pkg.manifestDigest.toString(); 12621 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12622 + parsedManifest); 12623 } 12624 12625 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12626 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12627 return; 12628 } 12629 } else if (DEBUG_INSTALL) { 12630 final String parsedManifest = pkg.manifestDigest == null 12631 ? "null" : pkg.manifestDigest.toString(); 12632 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12633 } 12634 12635 // Get rid of all references to package scan path via parser. 12636 pp = null; 12637 String oldCodePath = null; 12638 boolean systemApp = false; 12639 synchronized (mPackages) { 12640 // Check if installing already existing package 12641 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12642 String oldName = mSettings.mRenamedPackages.get(pkgName); 12643 if (pkg.mOriginalPackages != null 12644 && pkg.mOriginalPackages.contains(oldName) 12645 && mPackages.containsKey(oldName)) { 12646 // This package is derived from an original package, 12647 // and this device has been updating from that original 12648 // name. We must continue using the original name, so 12649 // rename the new package here. 12650 pkg.setPackageName(oldName); 12651 pkgName = pkg.packageName; 12652 replace = true; 12653 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12654 + oldName + " pkgName=" + pkgName); 12655 } else if (mPackages.containsKey(pkgName)) { 12656 // This package, under its official name, already exists 12657 // on the device; we should replace it. 12658 replace = true; 12659 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12660 } 12661 12662 // Prevent apps opting out from runtime permissions 12663 if (replace) { 12664 PackageParser.Package oldPackage = mPackages.get(pkgName); 12665 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12666 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12667 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12668 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12669 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12670 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12671 + " doesn't support runtime permissions but the old" 12672 + " target SDK " + oldTargetSdk + " does."); 12673 return; 12674 } 12675 } 12676 } 12677 12678 PackageSetting ps = mSettings.mPackages.get(pkgName); 12679 if (ps != null) { 12680 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12681 12682 // Quick sanity check that we're signed correctly if updating; 12683 // we'll check this again later when scanning, but we want to 12684 // bail early here before tripping over redefined permissions. 12685 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12686 if (!checkUpgradeKeySetLP(ps, pkg)) { 12687 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12688 + pkg.packageName + " upgrade keys do not match the " 12689 + "previously installed version"); 12690 return; 12691 } 12692 } else { 12693 try { 12694 verifySignaturesLP(ps, pkg); 12695 } catch (PackageManagerException e) { 12696 res.setError(e.error, e.getMessage()); 12697 return; 12698 } 12699 } 12700 12701 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12702 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12703 systemApp = (ps.pkg.applicationInfo.flags & 12704 ApplicationInfo.FLAG_SYSTEM) != 0; 12705 } 12706 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12707 } 12708 12709 // Check whether the newly-scanned package wants to define an already-defined perm 12710 int N = pkg.permissions.size(); 12711 for (int i = N-1; i >= 0; i--) { 12712 PackageParser.Permission perm = pkg.permissions.get(i); 12713 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12714 if (bp != null) { 12715 // If the defining package is signed with our cert, it's okay. This 12716 // also includes the "updating the same package" case, of course. 12717 // "updating same package" could also involve key-rotation. 12718 final boolean sigsOk; 12719 if (bp.sourcePackage.equals(pkg.packageName) 12720 && (bp.packageSetting instanceof PackageSetting) 12721 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12722 scanFlags))) { 12723 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12724 } else { 12725 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12726 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12727 } 12728 if (!sigsOk) { 12729 // If the owning package is the system itself, we log but allow 12730 // install to proceed; we fail the install on all other permission 12731 // redefinitions. 12732 if (!bp.sourcePackage.equals("android")) { 12733 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12734 + pkg.packageName + " attempting to redeclare permission " 12735 + perm.info.name + " already owned by " + bp.sourcePackage); 12736 res.origPermission = perm.info.name; 12737 res.origPackage = bp.sourcePackage; 12738 return; 12739 } else { 12740 Slog.w(TAG, "Package " + pkg.packageName 12741 + " attempting to redeclare system permission " 12742 + perm.info.name + "; ignoring new declaration"); 12743 pkg.permissions.remove(i); 12744 } 12745 } 12746 } 12747 } 12748 12749 } 12750 12751 if (systemApp && onExternal) { 12752 // Disable updates to system apps on sdcard 12753 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12754 "Cannot install updates to system apps on sdcard"); 12755 return; 12756 } 12757 12758 if (args.move != null) { 12759 // We did an in-place move, so dex is ready to roll 12760 scanFlags |= SCAN_NO_DEX; 12761 scanFlags |= SCAN_MOVE; 12762 12763 synchronized (mPackages) { 12764 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12765 if (ps == null) { 12766 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 12767 "Missing settings for moved package " + pkgName); 12768 } 12769 12770 // We moved the entire application as-is, so bring over the 12771 // previously derived ABI information. 12772 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 12773 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 12774 } 12775 12776 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12777 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12778 scanFlags |= SCAN_NO_DEX; 12779 12780 try { 12781 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12782 true /* extract libs */); 12783 } catch (PackageManagerException pme) { 12784 Slog.e(TAG, "Error deriving application ABI", pme); 12785 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12786 return; 12787 } 12788 } 12789 12790 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12791 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12792 return; 12793 } 12794 12795 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12796 12797 if (replace) { 12798 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 12799 installerPackageName, volumeUuid, res); 12800 } else { 12801 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12802 args.user, installerPackageName, volumeUuid, res); 12803 } 12804 synchronized (mPackages) { 12805 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12806 if (ps != null) { 12807 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12808 } 12809 } 12810 } 12811 12812 private void startIntentFilterVerifications(int userId, boolean replacing, 12813 PackageParser.Package pkg) { 12814 if (mIntentFilterVerifierComponent == null) { 12815 Slog.w(TAG, "No IntentFilter verification will not be done as " 12816 + "there is no IntentFilterVerifier available!"); 12817 return; 12818 } 12819 12820 final int verifierUid = getPackageUid( 12821 mIntentFilterVerifierComponent.getPackageName(), 12822 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 12823 12824 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12825 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12826 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12827 mHandler.sendMessage(msg); 12828 } 12829 12830 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12831 PackageParser.Package pkg) { 12832 int size = pkg.activities.size(); 12833 if (size == 0) { 12834 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12835 "No activity, so no need to verify any IntentFilter!"); 12836 return; 12837 } 12838 12839 final boolean hasDomainURLs = hasDomainURLs(pkg); 12840 if (!hasDomainURLs) { 12841 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12842 "No domain URLs, so no need to verify any IntentFilter!"); 12843 return; 12844 } 12845 12846 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12847 + " if any IntentFilter from the " + size 12848 + " Activities needs verification ..."); 12849 12850 int count = 0; 12851 final String packageName = pkg.packageName; 12852 12853 synchronized (mPackages) { 12854 // If this is a new install and we see that we've already run verification for this 12855 // package, we have nothing to do: it means the state was restored from backup. 12856 if (!replacing) { 12857 IntentFilterVerificationInfo ivi = 12858 mSettings.getIntentFilterVerificationLPr(packageName); 12859 if (ivi != null) { 12860 if (DEBUG_DOMAIN_VERIFICATION) { 12861 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 12862 + ivi.getStatusString()); 12863 } 12864 return; 12865 } 12866 } 12867 12868 // If any filters need to be verified, then all need to be. 12869 boolean needToVerify = false; 12870 for (PackageParser.Activity a : pkg.activities) { 12871 for (ActivityIntentInfo filter : a.intents) { 12872 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 12873 if (DEBUG_DOMAIN_VERIFICATION) { 12874 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 12875 } 12876 needToVerify = true; 12877 break; 12878 } 12879 } 12880 } 12881 12882 if (needToVerify) { 12883 final int verificationId = mIntentFilterVerificationToken++; 12884 for (PackageParser.Activity a : pkg.activities) { 12885 for (ActivityIntentInfo filter : a.intents) { 12886 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 12887 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12888 "Verification needed for IntentFilter:" + filter.toString()); 12889 mIntentFilterVerifier.addOneIntentFilterVerification( 12890 verifierUid, userId, verificationId, filter, packageName); 12891 count++; 12892 } 12893 } 12894 } 12895 } 12896 } 12897 12898 if (count > 0) { 12899 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 12900 + " IntentFilter verification" + (count > 1 ? "s" : "") 12901 + " for userId:" + userId); 12902 mIntentFilterVerifier.startVerifications(userId); 12903 } else { 12904 if (DEBUG_DOMAIN_VERIFICATION) { 12905 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 12906 } 12907 } 12908 } 12909 12910 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 12911 final ComponentName cn = filter.activity.getComponentName(); 12912 final String packageName = cn.getPackageName(); 12913 12914 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 12915 packageName); 12916 if (ivi == null) { 12917 return true; 12918 } 12919 int status = ivi.getStatus(); 12920 switch (status) { 12921 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 12922 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 12923 return true; 12924 12925 default: 12926 // Nothing to do 12927 return false; 12928 } 12929 } 12930 12931 private static boolean isMultiArch(PackageSetting ps) { 12932 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12933 } 12934 12935 private static boolean isMultiArch(ApplicationInfo info) { 12936 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12937 } 12938 12939 private static boolean isExternal(PackageParser.Package pkg) { 12940 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12941 } 12942 12943 private static boolean isExternal(PackageSetting ps) { 12944 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12945 } 12946 12947 private static boolean isExternal(ApplicationInfo info) { 12948 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12949 } 12950 12951 private static boolean isSystemApp(PackageParser.Package pkg) { 12952 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12953 } 12954 12955 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 12956 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 12957 } 12958 12959 private static boolean hasDomainURLs(PackageParser.Package pkg) { 12960 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 12961 } 12962 12963 private static boolean isSystemApp(PackageSetting ps) { 12964 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 12965 } 12966 12967 private static boolean isUpdatedSystemApp(PackageSetting ps) { 12968 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 12969 } 12970 12971 private int packageFlagsToInstallFlags(PackageSetting ps) { 12972 int installFlags = 0; 12973 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 12974 // This existing package was an external ASEC install when we have 12975 // the external flag without a UUID 12976 installFlags |= PackageManager.INSTALL_EXTERNAL; 12977 } 12978 if (ps.isForwardLocked()) { 12979 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12980 } 12981 return installFlags; 12982 } 12983 12984 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 12985 if (isExternal(pkg)) { 12986 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12987 return StorageManager.UUID_PRIMARY_PHYSICAL; 12988 } else { 12989 return pkg.volumeUuid; 12990 } 12991 } else { 12992 return StorageManager.UUID_PRIVATE_INTERNAL; 12993 } 12994 } 12995 12996 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 12997 if (isExternal(pkg)) { 12998 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12999 return mSettings.getExternalVersion(); 13000 } else { 13001 return mSettings.findOrCreateVersion(pkg.volumeUuid); 13002 } 13003 } else { 13004 return mSettings.getInternalVersion(); 13005 } 13006 } 13007 13008 private void deleteTempPackageFiles() { 13009 final FilenameFilter filter = new FilenameFilter() { 13010 public boolean accept(File dir, String name) { 13011 return name.startsWith("vmdl") && name.endsWith(".tmp"); 13012 } 13013 }; 13014 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 13015 file.delete(); 13016 } 13017 } 13018 13019 @Override 13020 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 13021 int flags) { 13022 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 13023 flags); 13024 } 13025 13026 @Override 13027 public void deletePackage(final String packageName, 13028 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 13029 mContext.enforceCallingOrSelfPermission( 13030 android.Manifest.permission.DELETE_PACKAGES, null); 13031 Preconditions.checkNotNull(packageName); 13032 Preconditions.checkNotNull(observer); 13033 final int uid = Binder.getCallingUid(); 13034 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 13035 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 13036 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 13037 mContext.enforceCallingOrSelfPermission( 13038 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 13039 "deletePackage for user " + userId); 13040 } 13041 13042 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 13043 try { 13044 observer.onPackageDeleted(packageName, 13045 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 13046 } catch (RemoteException re) { 13047 } 13048 return; 13049 } 13050 13051 for (int currentUserId : users) { 13052 if (getBlockUninstallForUser(packageName, currentUserId)) { 13053 try { 13054 observer.onPackageDeleted(packageName, 13055 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 13056 } catch (RemoteException re) { 13057 } 13058 return; 13059 } 13060 } 13061 13062 if (DEBUG_REMOVE) { 13063 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 13064 } 13065 // Queue up an async operation since the package deletion may take a little while. 13066 mHandler.post(new Runnable() { 13067 public void run() { 13068 mHandler.removeCallbacks(this); 13069 final int returnCode = deletePackageX(packageName, userId, flags); 13070 try { 13071 observer.onPackageDeleted(packageName, returnCode, null); 13072 } catch (RemoteException e) { 13073 Log.i(TAG, "Observer no longer exists."); 13074 } //end catch 13075 } //end run 13076 }); 13077 } 13078 13079 private boolean isPackageDeviceAdmin(String packageName, int userId) { 13080 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13081 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13082 try { 13083 if (dpm != null) { 13084 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 13085 /* callingUserOnly =*/ false); 13086 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 13087 : deviceOwnerComponentName.getPackageName(); 13088 // Does the package contains the device owner? 13089 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 13090 // this check is probably not needed, since DO should be registered as a device 13091 // admin on some user too. (Original bug for this: b/17657954) 13092 if (packageName.equals(deviceOwnerPackageName)) { 13093 return true; 13094 } 13095 // Does it contain a device admin for any user? 13096 int[] users; 13097 if (userId == UserHandle.USER_ALL) { 13098 users = sUserManager.getUserIds(); 13099 } else { 13100 users = new int[]{userId}; 13101 } 13102 for (int i = 0; i < users.length; ++i) { 13103 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 13104 return true; 13105 } 13106 } 13107 } 13108 } catch (RemoteException e) { 13109 } 13110 return false; 13111 } 13112 13113 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 13114 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 13115 } 13116 13117 /** 13118 * This method is an internal method that could be get invoked either 13119 * to delete an installed package or to clean up a failed installation. 13120 * After deleting an installed package, a broadcast is sent to notify any 13121 * listeners that the package has been installed. For cleaning up a failed 13122 * installation, the broadcast is not necessary since the package's 13123 * installation wouldn't have sent the initial broadcast either 13124 * The key steps in deleting a package are 13125 * deleting the package information in internal structures like mPackages, 13126 * deleting the packages base directories through installd 13127 * updating mSettings to reflect current status 13128 * persisting settings for later use 13129 * sending a broadcast if necessary 13130 */ 13131 private int deletePackageX(String packageName, int userId, int flags) { 13132 final PackageRemovedInfo info = new PackageRemovedInfo(); 13133 final boolean res; 13134 13135 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 13136 ? UserHandle.ALL : new UserHandle(userId); 13137 13138 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 13139 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 13140 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 13141 } 13142 13143 boolean removedForAllUsers = false; 13144 boolean systemUpdate = false; 13145 13146 // for the uninstall-updates case and restricted profiles, remember the per- 13147 // userhandle installed state 13148 int[] allUsers; 13149 boolean[] perUserInstalled; 13150 synchronized (mPackages) { 13151 PackageSetting ps = mSettings.mPackages.get(packageName); 13152 allUsers = sUserManager.getUserIds(); 13153 perUserInstalled = new boolean[allUsers.length]; 13154 for (int i = 0; i < allUsers.length; i++) { 13155 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 13156 } 13157 } 13158 13159 synchronized (mInstallLock) { 13160 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 13161 res = deletePackageLI(packageName, removeForUser, 13162 true, allUsers, perUserInstalled, 13163 flags | REMOVE_CHATTY, info, true); 13164 systemUpdate = info.isRemovedPackageSystemUpdate; 13165 if (res && !systemUpdate && mPackages.get(packageName) == null) { 13166 removedForAllUsers = true; 13167 } 13168 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 13169 + " removedForAllUsers=" + removedForAllUsers); 13170 } 13171 13172 if (res) { 13173 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 13174 13175 // If the removed package was a system update, the old system package 13176 // was re-enabled; we need to broadcast this information 13177 if (systemUpdate) { 13178 Bundle extras = new Bundle(1); 13179 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 13180 ? info.removedAppId : info.uid); 13181 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13182 13183 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 13184 extras, 0, null, null, null); 13185 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 13186 extras, 0, null, null, null); 13187 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 13188 null, 0, packageName, null, null); 13189 } 13190 } 13191 // Force a gc here. 13192 Runtime.getRuntime().gc(); 13193 // Delete the resources here after sending the broadcast to let 13194 // other processes clean up before deleting resources. 13195 if (info.args != null) { 13196 synchronized (mInstallLock) { 13197 info.args.doPostDeleteLI(true); 13198 } 13199 } 13200 13201 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 13202 } 13203 13204 class PackageRemovedInfo { 13205 String removedPackage; 13206 int uid = -1; 13207 int removedAppId = -1; 13208 int[] removedUsers = null; 13209 boolean isRemovedPackageSystemUpdate = false; 13210 // Clean up resources deleted packages. 13211 InstallArgs args = null; 13212 13213 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 13214 Bundle extras = new Bundle(1); 13215 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 13216 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 13217 if (replacing) { 13218 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13219 } 13220 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 13221 if (removedPackage != null) { 13222 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 13223 extras, 0, null, null, removedUsers); 13224 if (fullRemove && !replacing) { 13225 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 13226 extras, 0, null, null, removedUsers); 13227 } 13228 } 13229 if (removedAppId >= 0) { 13230 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 13231 removedUsers); 13232 } 13233 } 13234 } 13235 13236 /* 13237 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 13238 * flag is not set, the data directory is removed as well. 13239 * make sure this flag is set for partially installed apps. If not its meaningless to 13240 * delete a partially installed application. 13241 */ 13242 private void removePackageDataLI(PackageSetting ps, 13243 int[] allUserHandles, boolean[] perUserInstalled, 13244 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 13245 String packageName = ps.name; 13246 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 13247 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 13248 // Retrieve object to delete permissions for shared user later on 13249 final PackageSetting deletedPs; 13250 // reader 13251 synchronized (mPackages) { 13252 deletedPs = mSettings.mPackages.get(packageName); 13253 if (outInfo != null) { 13254 outInfo.removedPackage = packageName; 13255 outInfo.removedUsers = deletedPs != null 13256 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 13257 : null; 13258 } 13259 } 13260 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13261 removeDataDirsLI(ps.volumeUuid, packageName); 13262 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 13263 } 13264 // writer 13265 synchronized (mPackages) { 13266 if (deletedPs != null) { 13267 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13268 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 13269 clearDefaultBrowserIfNeeded(packageName); 13270 if (outInfo != null) { 13271 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 13272 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 13273 } 13274 updatePermissionsLPw(deletedPs.name, null, 0); 13275 if (deletedPs.sharedUser != null) { 13276 // Remove permissions associated with package. Since runtime 13277 // permissions are per user we have to kill the removed package 13278 // or packages running under the shared user of the removed 13279 // package if revoking the permissions requested only by the removed 13280 // package is successful and this causes a change in gids. 13281 for (int userId : UserManagerService.getInstance().getUserIds()) { 13282 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 13283 userId); 13284 if (userIdToKill == UserHandle.USER_ALL 13285 || userIdToKill >= UserHandle.USER_SYSTEM) { 13286 // If gids changed for this user, kill all affected packages. 13287 mHandler.post(new Runnable() { 13288 @Override 13289 public void run() { 13290 // This has to happen with no lock held. 13291 killApplication(deletedPs.name, deletedPs.appId, 13292 KILL_APP_REASON_GIDS_CHANGED); 13293 } 13294 }); 13295 break; 13296 } 13297 } 13298 } 13299 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 13300 } 13301 // make sure to preserve per-user disabled state if this removal was just 13302 // a downgrade of a system app to the factory package 13303 if (allUserHandles != null && perUserInstalled != null) { 13304 if (DEBUG_REMOVE) { 13305 Slog.d(TAG, "Propagating install state across downgrade"); 13306 } 13307 for (int i = 0; i < allUserHandles.length; i++) { 13308 if (DEBUG_REMOVE) { 13309 Slog.d(TAG, " user " + allUserHandles[i] 13310 + " => " + perUserInstalled[i]); 13311 } 13312 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13313 } 13314 } 13315 } 13316 // can downgrade to reader 13317 if (writeSettings) { 13318 // Save settings now 13319 mSettings.writeLPr(); 13320 } 13321 } 13322 if (outInfo != null) { 13323 // A user ID was deleted here. Go through all users and remove it 13324 // from KeyStore. 13325 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 13326 } 13327 } 13328 13329 static boolean locationIsPrivileged(File path) { 13330 try { 13331 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 13332 .getCanonicalPath(); 13333 return path.getCanonicalPath().startsWith(privilegedAppDir); 13334 } catch (IOException e) { 13335 Slog.e(TAG, "Unable to access code path " + path); 13336 } 13337 return false; 13338 } 13339 13340 /* 13341 * Tries to delete system package. 13342 */ 13343 private boolean deleteSystemPackageLI(PackageSetting newPs, 13344 int[] allUserHandles, boolean[] perUserInstalled, 13345 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 13346 final boolean applyUserRestrictions 13347 = (allUserHandles != null) && (perUserInstalled != null); 13348 PackageSetting disabledPs = null; 13349 // Confirm if the system package has been updated 13350 // An updated system app can be deleted. This will also have to restore 13351 // the system pkg from system partition 13352 // reader 13353 synchronized (mPackages) { 13354 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 13355 } 13356 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 13357 + " disabledPs=" + disabledPs); 13358 if (disabledPs == null) { 13359 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 13360 return false; 13361 } else if (DEBUG_REMOVE) { 13362 Slog.d(TAG, "Deleting system pkg from data partition"); 13363 } 13364 if (DEBUG_REMOVE) { 13365 if (applyUserRestrictions) { 13366 Slog.d(TAG, "Remembering install states:"); 13367 for (int i = 0; i < allUserHandles.length; i++) { 13368 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 13369 } 13370 } 13371 } 13372 // Delete the updated package 13373 outInfo.isRemovedPackageSystemUpdate = true; 13374 if (disabledPs.versionCode < newPs.versionCode) { 13375 // Delete data for downgrades 13376 flags &= ~PackageManager.DELETE_KEEP_DATA; 13377 } else { 13378 // Preserve data by setting flag 13379 flags |= PackageManager.DELETE_KEEP_DATA; 13380 } 13381 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13382 allUserHandles, perUserInstalled, outInfo, writeSettings); 13383 if (!ret) { 13384 return false; 13385 } 13386 // writer 13387 synchronized (mPackages) { 13388 // Reinstate the old system package 13389 mSettings.enableSystemPackageLPw(newPs.name); 13390 // Remove any native libraries from the upgraded package. 13391 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13392 } 13393 // Install the system package 13394 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13395 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13396 if (locationIsPrivileged(disabledPs.codePath)) { 13397 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13398 } 13399 13400 final PackageParser.Package newPkg; 13401 try { 13402 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13403 } catch (PackageManagerException e) { 13404 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 13405 return false; 13406 } 13407 13408 // writer 13409 synchronized (mPackages) { 13410 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13411 13412 // Propagate the permissions state as we do not want to drop on the floor 13413 // runtime permissions. The update permissions method below will take 13414 // care of removing obsolete permissions and grant install permissions. 13415 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13416 updatePermissionsLPw(newPkg.packageName, newPkg, 13417 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13418 13419 if (applyUserRestrictions) { 13420 if (DEBUG_REMOVE) { 13421 Slog.d(TAG, "Propagating install state across reinstall"); 13422 } 13423 for (int i = 0; i < allUserHandles.length; i++) { 13424 if (DEBUG_REMOVE) { 13425 Slog.d(TAG, " user " + allUserHandles[i] 13426 + " => " + perUserInstalled[i]); 13427 } 13428 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13429 13430 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13431 } 13432 // Regardless of writeSettings we need to ensure that this restriction 13433 // state propagation is persisted 13434 mSettings.writeAllUsersPackageRestrictionsLPr(); 13435 } 13436 // can downgrade to reader here 13437 if (writeSettings) { 13438 mSettings.writeLPr(); 13439 } 13440 } 13441 return true; 13442 } 13443 13444 private boolean deleteInstalledPackageLI(PackageSetting ps, 13445 boolean deleteCodeAndResources, int flags, 13446 int[] allUserHandles, boolean[] perUserInstalled, 13447 PackageRemovedInfo outInfo, boolean writeSettings) { 13448 if (outInfo != null) { 13449 outInfo.uid = ps.appId; 13450 } 13451 13452 // Delete package data from internal structures and also remove data if flag is set 13453 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13454 13455 // Delete application code and resources 13456 if (deleteCodeAndResources && (outInfo != null)) { 13457 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13458 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13459 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13460 } 13461 return true; 13462 } 13463 13464 @Override 13465 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13466 int userId) { 13467 mContext.enforceCallingOrSelfPermission( 13468 android.Manifest.permission.DELETE_PACKAGES, null); 13469 synchronized (mPackages) { 13470 PackageSetting ps = mSettings.mPackages.get(packageName); 13471 if (ps == null) { 13472 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13473 return false; 13474 } 13475 if (!ps.getInstalled(userId)) { 13476 // Can't block uninstall for an app that is not installed or enabled. 13477 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13478 return false; 13479 } 13480 ps.setBlockUninstall(blockUninstall, userId); 13481 mSettings.writePackageRestrictionsLPr(userId); 13482 } 13483 return true; 13484 } 13485 13486 @Override 13487 public boolean getBlockUninstallForUser(String packageName, int userId) { 13488 synchronized (mPackages) { 13489 PackageSetting ps = mSettings.mPackages.get(packageName); 13490 if (ps == null) { 13491 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13492 return false; 13493 } 13494 return ps.getBlockUninstall(userId); 13495 } 13496 } 13497 13498 /* 13499 * This method handles package deletion in general 13500 */ 13501 private boolean deletePackageLI(String packageName, UserHandle user, 13502 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13503 int flags, PackageRemovedInfo outInfo, 13504 boolean writeSettings) { 13505 if (packageName == null) { 13506 Slog.w(TAG, "Attempt to delete null packageName."); 13507 return false; 13508 } 13509 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13510 PackageSetting ps; 13511 boolean dataOnly = false; 13512 int removeUser = -1; 13513 int appId = -1; 13514 synchronized (mPackages) { 13515 ps = mSettings.mPackages.get(packageName); 13516 if (ps == null) { 13517 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13518 return false; 13519 } 13520 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13521 && user.getIdentifier() != UserHandle.USER_ALL) { 13522 // The caller is asking that the package only be deleted for a single 13523 // user. To do this, we just mark its uninstalled state and delete 13524 // its data. If this is a system app, we only allow this to happen if 13525 // they have set the special DELETE_SYSTEM_APP which requests different 13526 // semantics than normal for uninstalling system apps. 13527 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13528 final int userId = user.getIdentifier(); 13529 ps.setUserState(userId, 13530 COMPONENT_ENABLED_STATE_DEFAULT, 13531 false, //installed 13532 true, //stopped 13533 true, //notLaunched 13534 false, //hidden 13535 null, null, null, 13536 false, // blockUninstall 13537 ps.readUserState(userId).domainVerificationStatus, 0); 13538 if (!isSystemApp(ps)) { 13539 // Do not uninstall the APK if an app should be cached 13540 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 13541 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 13542 // Other user still have this package installed, so all 13543 // we need to do is clear this user's data and save that 13544 // it is uninstalled. 13545 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13546 removeUser = user.getIdentifier(); 13547 appId = ps.appId; 13548 scheduleWritePackageRestrictionsLocked(removeUser); 13549 } else { 13550 // We need to set it back to 'installed' so the uninstall 13551 // broadcasts will be sent correctly. 13552 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13553 ps.setInstalled(true, user.getIdentifier()); 13554 } 13555 } else { 13556 // This is a system app, so we assume that the 13557 // other users still have this package installed, so all 13558 // we need to do is clear this user's data and save that 13559 // it is uninstalled. 13560 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13561 removeUser = user.getIdentifier(); 13562 appId = ps.appId; 13563 scheduleWritePackageRestrictionsLocked(removeUser); 13564 } 13565 } 13566 } 13567 13568 if (removeUser >= 0) { 13569 // From above, we determined that we are deleting this only 13570 // for a single user. Continue the work here. 13571 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13572 if (outInfo != null) { 13573 outInfo.removedPackage = packageName; 13574 outInfo.removedAppId = appId; 13575 outInfo.removedUsers = new int[] {removeUser}; 13576 } 13577 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13578 removeKeystoreDataIfNeeded(removeUser, appId); 13579 schedulePackageCleaning(packageName, removeUser, false); 13580 synchronized (mPackages) { 13581 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13582 scheduleWritePackageRestrictionsLocked(removeUser); 13583 } 13584 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13585 } 13586 return true; 13587 } 13588 13589 if (dataOnly) { 13590 // Delete application data first 13591 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13592 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13593 return true; 13594 } 13595 13596 boolean ret = false; 13597 if (isSystemApp(ps)) { 13598 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13599 // When an updated system application is deleted we delete the existing resources as well and 13600 // fall back to existing code in system partition 13601 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13602 flags, outInfo, writeSettings); 13603 } else { 13604 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13605 // Kill application pre-emptively especially for apps on sd. 13606 killApplication(packageName, ps.appId, "uninstall pkg"); 13607 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13608 allUserHandles, perUserInstalled, 13609 outInfo, writeSettings); 13610 } 13611 13612 return ret; 13613 } 13614 13615 private final class ClearStorageConnection implements ServiceConnection { 13616 IMediaContainerService mContainerService; 13617 13618 @Override 13619 public void onServiceConnected(ComponentName name, IBinder service) { 13620 synchronized (this) { 13621 mContainerService = IMediaContainerService.Stub.asInterface(service); 13622 notifyAll(); 13623 } 13624 } 13625 13626 @Override 13627 public void onServiceDisconnected(ComponentName name) { 13628 } 13629 } 13630 13631 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13632 final boolean mounted; 13633 if (Environment.isExternalStorageEmulated()) { 13634 mounted = true; 13635 } else { 13636 final String status = Environment.getExternalStorageState(); 13637 13638 mounted = status.equals(Environment.MEDIA_MOUNTED) 13639 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13640 } 13641 13642 if (!mounted) { 13643 return; 13644 } 13645 13646 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13647 int[] users; 13648 if (userId == UserHandle.USER_ALL) { 13649 users = sUserManager.getUserIds(); 13650 } else { 13651 users = new int[] { userId }; 13652 } 13653 final ClearStorageConnection conn = new ClearStorageConnection(); 13654 if (mContext.bindServiceAsUser( 13655 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 13656 try { 13657 for (int curUser : users) { 13658 long timeout = SystemClock.uptimeMillis() + 5000; 13659 synchronized (conn) { 13660 long now = SystemClock.uptimeMillis(); 13661 while (conn.mContainerService == null && now < timeout) { 13662 try { 13663 conn.wait(timeout - now); 13664 } catch (InterruptedException e) { 13665 } 13666 } 13667 } 13668 if (conn.mContainerService == null) { 13669 return; 13670 } 13671 13672 final UserEnvironment userEnv = new UserEnvironment(curUser); 13673 clearDirectory(conn.mContainerService, 13674 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13675 if (allData) { 13676 clearDirectory(conn.mContainerService, 13677 userEnv.buildExternalStorageAppDataDirs(packageName)); 13678 clearDirectory(conn.mContainerService, 13679 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13680 } 13681 } 13682 } finally { 13683 mContext.unbindService(conn); 13684 } 13685 } 13686 } 13687 13688 @Override 13689 public void clearApplicationUserData(final String packageName, 13690 final IPackageDataObserver observer, final int userId) { 13691 mContext.enforceCallingOrSelfPermission( 13692 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13693 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13694 // Queue up an async operation since the package deletion may take a little while. 13695 mHandler.post(new Runnable() { 13696 public void run() { 13697 mHandler.removeCallbacks(this); 13698 final boolean succeeded; 13699 synchronized (mInstallLock) { 13700 succeeded = clearApplicationUserDataLI(packageName, userId); 13701 } 13702 clearExternalStorageDataSync(packageName, userId, true); 13703 if (succeeded) { 13704 // invoke DeviceStorageMonitor's update method to clear any notifications 13705 DeviceStorageMonitorInternal 13706 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13707 if (dsm != null) { 13708 dsm.checkMemory(); 13709 } 13710 } 13711 if(observer != null) { 13712 try { 13713 observer.onRemoveCompleted(packageName, succeeded); 13714 } catch (RemoteException e) { 13715 Log.i(TAG, "Observer no longer exists."); 13716 } 13717 } //end if observer 13718 } //end run 13719 }); 13720 } 13721 13722 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13723 if (packageName == null) { 13724 Slog.w(TAG, "Attempt to delete null packageName."); 13725 return false; 13726 } 13727 13728 // Try finding details about the requested package 13729 PackageParser.Package pkg; 13730 synchronized (mPackages) { 13731 pkg = mPackages.get(packageName); 13732 if (pkg == null) { 13733 final PackageSetting ps = mSettings.mPackages.get(packageName); 13734 if (ps != null) { 13735 pkg = ps.pkg; 13736 } 13737 } 13738 13739 if (pkg == null) { 13740 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13741 return false; 13742 } 13743 13744 PackageSetting ps = (PackageSetting) pkg.mExtras; 13745 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13746 } 13747 13748 // Always delete data directories for package, even if we found no other 13749 // record of app. This helps users recover from UID mismatches without 13750 // resorting to a full data wipe. 13751 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 13752 if (retCode < 0) { 13753 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 13754 return false; 13755 } 13756 13757 final int appId = pkg.applicationInfo.uid; 13758 removeKeystoreDataIfNeeded(userId, appId); 13759 13760 // Create a native library symlink only if we have native libraries 13761 // and if the native libraries are 32 bit libraries. We do not provide 13762 // this symlink for 64 bit libraries. 13763 if (pkg.applicationInfo.primaryCpuAbi != null && 13764 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13765 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13766 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13767 nativeLibPath, userId) < 0) { 13768 Slog.w(TAG, "Failed linking native library dir"); 13769 return false; 13770 } 13771 } 13772 13773 return true; 13774 } 13775 13776 /** 13777 * Reverts user permission state changes (permissions and flags) in 13778 * all packages for a given user. 13779 * 13780 * @param userId The device user for which to do a reset. 13781 */ 13782 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 13783 final int packageCount = mPackages.size(); 13784 for (int i = 0; i < packageCount; i++) { 13785 PackageParser.Package pkg = mPackages.valueAt(i); 13786 PackageSetting ps = (PackageSetting) pkg.mExtras; 13787 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13788 } 13789 } 13790 13791 /** 13792 * Reverts user permission state changes (permissions and flags). 13793 * 13794 * @param ps The package for which to reset. 13795 * @param userId The device user for which to do a reset. 13796 */ 13797 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 13798 final PackageSetting ps, final int userId) { 13799 if (ps.pkg == null) { 13800 return; 13801 } 13802 13803 final int userSettableFlags = FLAG_PERMISSION_USER_SET 13804 | FLAG_PERMISSION_USER_FIXED 13805 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 13806 13807 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 13808 | FLAG_PERMISSION_POLICY_FIXED; 13809 13810 boolean writeInstallPermissions = false; 13811 boolean writeRuntimePermissions = false; 13812 13813 final int permissionCount = ps.pkg.requestedPermissions.size(); 13814 for (int i = 0; i < permissionCount; i++) { 13815 String permission = ps.pkg.requestedPermissions.get(i); 13816 13817 BasePermission bp = mSettings.mPermissions.get(permission); 13818 if (bp == null) { 13819 continue; 13820 } 13821 13822 // If shared user we just reset the state to which only this app contributed. 13823 if (ps.sharedUser != null) { 13824 boolean used = false; 13825 final int packageCount = ps.sharedUser.packages.size(); 13826 for (int j = 0; j < packageCount; j++) { 13827 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 13828 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 13829 && pkg.pkg.requestedPermissions.contains(permission)) { 13830 used = true; 13831 break; 13832 } 13833 } 13834 if (used) { 13835 continue; 13836 } 13837 } 13838 13839 PermissionsState permissionsState = ps.getPermissionsState(); 13840 13841 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 13842 13843 // Always clear the user settable flags. 13844 final boolean hasInstallState = permissionsState.getInstallPermissionState( 13845 bp.name) != null; 13846 if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) { 13847 if (hasInstallState) { 13848 writeInstallPermissions = true; 13849 } else { 13850 writeRuntimePermissions = true; 13851 } 13852 } 13853 13854 // Below is only runtime permission handling. 13855 if (!bp.isRuntime()) { 13856 continue; 13857 } 13858 13859 // Never clobber system or policy. 13860 if ((oldFlags & policyOrSystemFlags) != 0) { 13861 continue; 13862 } 13863 13864 // If this permission was granted by default, make sure it is. 13865 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 13866 if (permissionsState.grantRuntimePermission(bp, userId) 13867 != PERMISSION_OPERATION_FAILURE) { 13868 writeRuntimePermissions = true; 13869 } 13870 } else { 13871 // Otherwise, reset the permission. 13872 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 13873 switch (revokeResult) { 13874 case PERMISSION_OPERATION_SUCCESS: { 13875 writeRuntimePermissions = true; 13876 } break; 13877 13878 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 13879 writeRuntimePermissions = true; 13880 final int appId = ps.appId; 13881 mHandler.post(new Runnable() { 13882 @Override 13883 public void run() { 13884 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 13885 } 13886 }); 13887 } break; 13888 } 13889 } 13890 } 13891 13892 // Synchronously write as we are taking permissions away. 13893 if (writeRuntimePermissions) { 13894 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 13895 } 13896 13897 // Synchronously write as we are taking permissions away. 13898 if (writeInstallPermissions) { 13899 mSettings.writeLPr(); 13900 } 13901 } 13902 13903 /** 13904 * Remove entries from the keystore daemon. Will only remove it if the 13905 * {@code appId} is valid. 13906 */ 13907 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 13908 if (appId < 0) { 13909 return; 13910 } 13911 13912 final KeyStore keyStore = KeyStore.getInstance(); 13913 if (keyStore != null) { 13914 if (userId == UserHandle.USER_ALL) { 13915 for (final int individual : sUserManager.getUserIds()) { 13916 keyStore.clearUid(UserHandle.getUid(individual, appId)); 13917 } 13918 } else { 13919 keyStore.clearUid(UserHandle.getUid(userId, appId)); 13920 } 13921 } else { 13922 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 13923 } 13924 } 13925 13926 @Override 13927 public void deleteApplicationCacheFiles(final String packageName, 13928 final IPackageDataObserver observer) { 13929 mContext.enforceCallingOrSelfPermission( 13930 android.Manifest.permission.DELETE_CACHE_FILES, null); 13931 // Queue up an async operation since the package deletion may take a little while. 13932 final int userId = UserHandle.getCallingUserId(); 13933 mHandler.post(new Runnable() { 13934 public void run() { 13935 mHandler.removeCallbacks(this); 13936 final boolean succeded; 13937 synchronized (mInstallLock) { 13938 succeded = deleteApplicationCacheFilesLI(packageName, userId); 13939 } 13940 clearExternalStorageDataSync(packageName, userId, false); 13941 if (observer != null) { 13942 try { 13943 observer.onRemoveCompleted(packageName, succeded); 13944 } catch (RemoteException e) { 13945 Log.i(TAG, "Observer no longer exists."); 13946 } 13947 } //end if observer 13948 } //end run 13949 }); 13950 } 13951 13952 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 13953 if (packageName == null) { 13954 Slog.w(TAG, "Attempt to delete null packageName."); 13955 return false; 13956 } 13957 PackageParser.Package p; 13958 synchronized (mPackages) { 13959 p = mPackages.get(packageName); 13960 } 13961 if (p == null) { 13962 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13963 return false; 13964 } 13965 final ApplicationInfo applicationInfo = p.applicationInfo; 13966 if (applicationInfo == null) { 13967 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13968 return false; 13969 } 13970 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 13971 if (retCode < 0) { 13972 Slog.w(TAG, "Couldn't remove cache files for package: " 13973 + packageName + " u" + userId); 13974 return false; 13975 } 13976 return true; 13977 } 13978 13979 @Override 13980 public void getPackageSizeInfo(final String packageName, int userHandle, 13981 final IPackageStatsObserver observer) { 13982 mContext.enforceCallingOrSelfPermission( 13983 android.Manifest.permission.GET_PACKAGE_SIZE, null); 13984 if (packageName == null) { 13985 throw new IllegalArgumentException("Attempt to get size of null packageName"); 13986 } 13987 13988 PackageStats stats = new PackageStats(packageName, userHandle); 13989 13990 /* 13991 * Queue up an async operation since the package measurement may take a 13992 * little while. 13993 */ 13994 Message msg = mHandler.obtainMessage(INIT_COPY); 13995 msg.obj = new MeasureParams(stats, observer); 13996 mHandler.sendMessage(msg); 13997 } 13998 13999 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 14000 PackageStats pStats) { 14001 if (packageName == null) { 14002 Slog.w(TAG, "Attempt to get size of null packageName."); 14003 return false; 14004 } 14005 PackageParser.Package p; 14006 boolean dataOnly = false; 14007 String libDirRoot = null; 14008 String asecPath = null; 14009 PackageSetting ps = null; 14010 synchronized (mPackages) { 14011 p = mPackages.get(packageName); 14012 ps = mSettings.mPackages.get(packageName); 14013 if(p == null) { 14014 dataOnly = true; 14015 if((ps == null) || (ps.pkg == null)) { 14016 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14017 return false; 14018 } 14019 p = ps.pkg; 14020 } 14021 if (ps != null) { 14022 libDirRoot = ps.legacyNativeLibraryPathString; 14023 } 14024 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 14025 final long token = Binder.clearCallingIdentity(); 14026 try { 14027 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 14028 if (secureContainerId != null) { 14029 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 14030 } 14031 } finally { 14032 Binder.restoreCallingIdentity(token); 14033 } 14034 } 14035 } 14036 String publicSrcDir = null; 14037 if(!dataOnly) { 14038 final ApplicationInfo applicationInfo = p.applicationInfo; 14039 if (applicationInfo == null) { 14040 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14041 return false; 14042 } 14043 if (p.isForwardLocked()) { 14044 publicSrcDir = applicationInfo.getBaseResourcePath(); 14045 } 14046 } 14047 // TODO: extend to measure size of split APKs 14048 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 14049 // not just the first level. 14050 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 14051 // just the primary. 14052 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 14053 14054 String apkPath; 14055 File packageDir = new File(p.codePath); 14056 14057 if (packageDir.isDirectory() && p.canHaveOatDir()) { 14058 apkPath = packageDir.getAbsolutePath(); 14059 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 14060 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 14061 libDirRoot = null; 14062 } 14063 } else { 14064 apkPath = p.baseCodePath; 14065 } 14066 14067 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, apkPath, 14068 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 14069 if (res < 0) { 14070 return false; 14071 } 14072 14073 // Fix-up for forward-locked applications in ASEC containers. 14074 if (!isExternal(p)) { 14075 pStats.codeSize += pStats.externalCodeSize; 14076 pStats.externalCodeSize = 0L; 14077 } 14078 14079 return true; 14080 } 14081 14082 14083 @Override 14084 public void addPackageToPreferred(String packageName) { 14085 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 14086 } 14087 14088 @Override 14089 public void removePackageFromPreferred(String packageName) { 14090 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 14091 } 14092 14093 @Override 14094 public List<PackageInfo> getPreferredPackages(int flags) { 14095 return new ArrayList<PackageInfo>(); 14096 } 14097 14098 private int getUidTargetSdkVersionLockedLPr(int uid) { 14099 Object obj = mSettings.getUserIdLPr(uid); 14100 if (obj instanceof SharedUserSetting) { 14101 final SharedUserSetting sus = (SharedUserSetting) obj; 14102 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 14103 final Iterator<PackageSetting> it = sus.packages.iterator(); 14104 while (it.hasNext()) { 14105 final PackageSetting ps = it.next(); 14106 if (ps.pkg != null) { 14107 int v = ps.pkg.applicationInfo.targetSdkVersion; 14108 if (v < vers) vers = v; 14109 } 14110 } 14111 return vers; 14112 } else if (obj instanceof PackageSetting) { 14113 final PackageSetting ps = (PackageSetting) obj; 14114 if (ps.pkg != null) { 14115 return ps.pkg.applicationInfo.targetSdkVersion; 14116 } 14117 } 14118 return Build.VERSION_CODES.CUR_DEVELOPMENT; 14119 } 14120 14121 @Override 14122 public void addPreferredActivity(IntentFilter filter, int match, 14123 ComponentName[] set, ComponentName activity, int userId) { 14124 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14125 "Adding preferred"); 14126 } 14127 14128 private void addPreferredActivityInternal(IntentFilter filter, int match, 14129 ComponentName[] set, ComponentName activity, boolean always, int userId, 14130 String opname) { 14131 // writer 14132 int callingUid = Binder.getCallingUid(); 14133 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 14134 if (filter.countActions() == 0) { 14135 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14136 return; 14137 } 14138 synchronized (mPackages) { 14139 if (mContext.checkCallingOrSelfPermission( 14140 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14141 != PackageManager.PERMISSION_GRANTED) { 14142 if (getUidTargetSdkVersionLockedLPr(callingUid) 14143 < Build.VERSION_CODES.FROYO) { 14144 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 14145 + callingUid); 14146 return; 14147 } 14148 mContext.enforceCallingOrSelfPermission( 14149 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14150 } 14151 14152 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 14153 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 14154 + userId + ":"); 14155 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14156 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 14157 scheduleWritePackageRestrictionsLocked(userId); 14158 } 14159 } 14160 14161 @Override 14162 public void replacePreferredActivity(IntentFilter filter, int match, 14163 ComponentName[] set, ComponentName activity, int userId) { 14164 if (filter.countActions() != 1) { 14165 throw new IllegalArgumentException( 14166 "replacePreferredActivity expects filter to have only 1 action."); 14167 } 14168 if (filter.countDataAuthorities() != 0 14169 || filter.countDataPaths() != 0 14170 || filter.countDataSchemes() > 1 14171 || filter.countDataTypes() != 0) { 14172 throw new IllegalArgumentException( 14173 "replacePreferredActivity expects filter to have no data authorities, " + 14174 "paths, or types; and at most one scheme."); 14175 } 14176 14177 final int callingUid = Binder.getCallingUid(); 14178 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 14179 synchronized (mPackages) { 14180 if (mContext.checkCallingOrSelfPermission( 14181 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14182 != PackageManager.PERMISSION_GRANTED) { 14183 if (getUidTargetSdkVersionLockedLPr(callingUid) 14184 < Build.VERSION_CODES.FROYO) { 14185 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 14186 + Binder.getCallingUid()); 14187 return; 14188 } 14189 mContext.enforceCallingOrSelfPermission( 14190 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14191 } 14192 14193 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14194 if (pir != null) { 14195 // Get all of the existing entries that exactly match this filter. 14196 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 14197 if (existing != null && existing.size() == 1) { 14198 PreferredActivity cur = existing.get(0); 14199 if (DEBUG_PREFERRED) { 14200 Slog.i(TAG, "Checking replace of preferred:"); 14201 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14202 if (!cur.mPref.mAlways) { 14203 Slog.i(TAG, " -- CUR; not mAlways!"); 14204 } else { 14205 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 14206 Slog.i(TAG, " -- CUR: mSet=" 14207 + Arrays.toString(cur.mPref.mSetComponents)); 14208 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 14209 Slog.i(TAG, " -- NEW: mMatch=" 14210 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 14211 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 14212 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 14213 } 14214 } 14215 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 14216 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 14217 && cur.mPref.sameSet(set)) { 14218 // Setting the preferred activity to what it happens to be already 14219 if (DEBUG_PREFERRED) { 14220 Slog.i(TAG, "Replacing with same preferred activity " 14221 + cur.mPref.mShortComponent + " for user " 14222 + userId + ":"); 14223 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14224 } 14225 return; 14226 } 14227 } 14228 14229 if (existing != null) { 14230 if (DEBUG_PREFERRED) { 14231 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 14232 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14233 } 14234 for (int i = 0; i < existing.size(); i++) { 14235 PreferredActivity pa = existing.get(i); 14236 if (DEBUG_PREFERRED) { 14237 Slog.i(TAG, "Removing existing preferred activity " 14238 + pa.mPref.mComponent + ":"); 14239 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 14240 } 14241 pir.removeFilter(pa); 14242 } 14243 } 14244 } 14245 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14246 "Replacing preferred"); 14247 } 14248 } 14249 14250 @Override 14251 public void clearPackagePreferredActivities(String packageName) { 14252 final int uid = Binder.getCallingUid(); 14253 // writer 14254 synchronized (mPackages) { 14255 PackageParser.Package pkg = mPackages.get(packageName); 14256 if (pkg == null || pkg.applicationInfo.uid != uid) { 14257 if (mContext.checkCallingOrSelfPermission( 14258 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14259 != PackageManager.PERMISSION_GRANTED) { 14260 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 14261 < Build.VERSION_CODES.FROYO) { 14262 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 14263 + Binder.getCallingUid()); 14264 return; 14265 } 14266 mContext.enforceCallingOrSelfPermission( 14267 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14268 } 14269 } 14270 14271 int user = UserHandle.getCallingUserId(); 14272 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 14273 scheduleWritePackageRestrictionsLocked(user); 14274 } 14275 } 14276 } 14277 14278 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14279 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 14280 ArrayList<PreferredActivity> removed = null; 14281 boolean changed = false; 14282 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14283 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 14284 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14285 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 14286 continue; 14287 } 14288 Iterator<PreferredActivity> it = pir.filterIterator(); 14289 while (it.hasNext()) { 14290 PreferredActivity pa = it.next(); 14291 // Mark entry for removal only if it matches the package name 14292 // and the entry is of type "always". 14293 if (packageName == null || 14294 (pa.mPref.mComponent.getPackageName().equals(packageName) 14295 && pa.mPref.mAlways)) { 14296 if (removed == null) { 14297 removed = new ArrayList<PreferredActivity>(); 14298 } 14299 removed.add(pa); 14300 } 14301 } 14302 if (removed != null) { 14303 for (int j=0; j<removed.size(); j++) { 14304 PreferredActivity pa = removed.get(j); 14305 pir.removeFilter(pa); 14306 } 14307 changed = true; 14308 } 14309 } 14310 return changed; 14311 } 14312 14313 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14314 private void clearIntentFilterVerificationsLPw(int userId) { 14315 final int packageCount = mPackages.size(); 14316 for (int i = 0; i < packageCount; i++) { 14317 PackageParser.Package pkg = mPackages.valueAt(i); 14318 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 14319 } 14320 } 14321 14322 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14323 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 14324 if (userId == UserHandle.USER_ALL) { 14325 if (mSettings.removeIntentFilterVerificationLPw(packageName, 14326 sUserManager.getUserIds())) { 14327 for (int oneUserId : sUserManager.getUserIds()) { 14328 scheduleWritePackageRestrictionsLocked(oneUserId); 14329 } 14330 } 14331 } else { 14332 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 14333 scheduleWritePackageRestrictionsLocked(userId); 14334 } 14335 } 14336 } 14337 14338 void clearDefaultBrowserIfNeeded(String packageName) { 14339 for (int oneUserId : sUserManager.getUserIds()) { 14340 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 14341 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 14342 if (packageName.equals(defaultBrowserPackageName)) { 14343 setDefaultBrowserPackageName(null, oneUserId); 14344 } 14345 } 14346 } 14347 14348 @Override 14349 public void resetApplicationPreferences(int userId) { 14350 mContext.enforceCallingOrSelfPermission( 14351 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14352 // writer 14353 synchronized (mPackages) { 14354 final long identity = Binder.clearCallingIdentity(); 14355 try { 14356 clearPackagePreferredActivitiesLPw(null, userId); 14357 mSettings.applyDefaultPreferredAppsLPw(this, userId); 14358 // TODO: We have to reset the default SMS and Phone. This requires 14359 // significant refactoring to keep all default apps in the package 14360 // manager (cleaner but more work) or have the services provide 14361 // callbacks to the package manager to request a default app reset. 14362 applyFactoryDefaultBrowserLPw(userId); 14363 clearIntentFilterVerificationsLPw(userId); 14364 primeDomainVerificationsLPw(userId); 14365 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 14366 scheduleWritePackageRestrictionsLocked(userId); 14367 } finally { 14368 Binder.restoreCallingIdentity(identity); 14369 } 14370 } 14371 } 14372 14373 @Override 14374 public int getPreferredActivities(List<IntentFilter> outFilters, 14375 List<ComponentName> outActivities, String packageName) { 14376 14377 int num = 0; 14378 final int userId = UserHandle.getCallingUserId(); 14379 // reader 14380 synchronized (mPackages) { 14381 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14382 if (pir != null) { 14383 final Iterator<PreferredActivity> it = pir.filterIterator(); 14384 while (it.hasNext()) { 14385 final PreferredActivity pa = it.next(); 14386 if (packageName == null 14387 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14388 && pa.mPref.mAlways)) { 14389 if (outFilters != null) { 14390 outFilters.add(new IntentFilter(pa)); 14391 } 14392 if (outActivities != null) { 14393 outActivities.add(pa.mPref.mComponent); 14394 } 14395 } 14396 } 14397 } 14398 } 14399 14400 return num; 14401 } 14402 14403 @Override 14404 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14405 int userId) { 14406 int callingUid = Binder.getCallingUid(); 14407 if (callingUid != Process.SYSTEM_UID) { 14408 throw new SecurityException( 14409 "addPersistentPreferredActivity can only be run by the system"); 14410 } 14411 if (filter.countActions() == 0) { 14412 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14413 return; 14414 } 14415 synchronized (mPackages) { 14416 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14417 " :"); 14418 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14419 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14420 new PersistentPreferredActivity(filter, activity)); 14421 scheduleWritePackageRestrictionsLocked(userId); 14422 } 14423 } 14424 14425 @Override 14426 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14427 int callingUid = Binder.getCallingUid(); 14428 if (callingUid != Process.SYSTEM_UID) { 14429 throw new SecurityException( 14430 "clearPackagePersistentPreferredActivities can only be run by the system"); 14431 } 14432 ArrayList<PersistentPreferredActivity> removed = null; 14433 boolean changed = false; 14434 synchronized (mPackages) { 14435 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14436 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14437 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14438 .valueAt(i); 14439 if (userId != thisUserId) { 14440 continue; 14441 } 14442 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14443 while (it.hasNext()) { 14444 PersistentPreferredActivity ppa = it.next(); 14445 // Mark entry for removal only if it matches the package name. 14446 if (ppa.mComponent.getPackageName().equals(packageName)) { 14447 if (removed == null) { 14448 removed = new ArrayList<PersistentPreferredActivity>(); 14449 } 14450 removed.add(ppa); 14451 } 14452 } 14453 if (removed != null) { 14454 for (int j=0; j<removed.size(); j++) { 14455 PersistentPreferredActivity ppa = removed.get(j); 14456 ppir.removeFilter(ppa); 14457 } 14458 changed = true; 14459 } 14460 } 14461 14462 if (changed) { 14463 scheduleWritePackageRestrictionsLocked(userId); 14464 } 14465 } 14466 } 14467 14468 /** 14469 * Common machinery for picking apart a restored XML blob and passing 14470 * it to a caller-supplied functor to be applied to the running system. 14471 */ 14472 private void restoreFromXml(XmlPullParser parser, int userId, 14473 String expectedStartTag, BlobXmlRestorer functor) 14474 throws IOException, XmlPullParserException { 14475 int type; 14476 while ((type = parser.next()) != XmlPullParser.START_TAG 14477 && type != XmlPullParser.END_DOCUMENT) { 14478 } 14479 if (type != XmlPullParser.START_TAG) { 14480 // oops didn't find a start tag?! 14481 if (DEBUG_BACKUP) { 14482 Slog.e(TAG, "Didn't find start tag during restore"); 14483 } 14484 return; 14485 } 14486 14487 // this is supposed to be TAG_PREFERRED_BACKUP 14488 if (!expectedStartTag.equals(parser.getName())) { 14489 if (DEBUG_BACKUP) { 14490 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14491 } 14492 return; 14493 } 14494 14495 // skip interfering stuff, then we're aligned with the backing implementation 14496 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14497 functor.apply(parser, userId); 14498 } 14499 14500 private interface BlobXmlRestorer { 14501 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14502 } 14503 14504 /** 14505 * Non-Binder method, support for the backup/restore mechanism: write the 14506 * full set of preferred activities in its canonical XML format. Returns the 14507 * XML output as a byte array, or null if there is none. 14508 */ 14509 @Override 14510 public byte[] getPreferredActivityBackup(int userId) { 14511 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14512 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14513 } 14514 14515 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14516 try { 14517 final XmlSerializer serializer = new FastXmlSerializer(); 14518 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14519 serializer.startDocument(null, true); 14520 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14521 14522 synchronized (mPackages) { 14523 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14524 } 14525 14526 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14527 serializer.endDocument(); 14528 serializer.flush(); 14529 } catch (Exception e) { 14530 if (DEBUG_BACKUP) { 14531 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14532 } 14533 return null; 14534 } 14535 14536 return dataStream.toByteArray(); 14537 } 14538 14539 @Override 14540 public void restorePreferredActivities(byte[] backup, int userId) { 14541 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14542 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14543 } 14544 14545 try { 14546 final XmlPullParser parser = Xml.newPullParser(); 14547 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14548 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14549 new BlobXmlRestorer() { 14550 @Override 14551 public void apply(XmlPullParser parser, int userId) 14552 throws XmlPullParserException, IOException { 14553 synchronized (mPackages) { 14554 mSettings.readPreferredActivitiesLPw(parser, userId); 14555 } 14556 } 14557 } ); 14558 } catch (Exception e) { 14559 if (DEBUG_BACKUP) { 14560 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14561 } 14562 } 14563 } 14564 14565 /** 14566 * Non-Binder method, support for the backup/restore mechanism: write the 14567 * default browser (etc) settings in its canonical XML format. Returns the default 14568 * browser XML representation as a byte array, or null if there is none. 14569 */ 14570 @Override 14571 public byte[] getDefaultAppsBackup(int userId) { 14572 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14573 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14574 } 14575 14576 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14577 try { 14578 final XmlSerializer serializer = new FastXmlSerializer(); 14579 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14580 serializer.startDocument(null, true); 14581 serializer.startTag(null, TAG_DEFAULT_APPS); 14582 14583 synchronized (mPackages) { 14584 mSettings.writeDefaultAppsLPr(serializer, userId); 14585 } 14586 14587 serializer.endTag(null, TAG_DEFAULT_APPS); 14588 serializer.endDocument(); 14589 serializer.flush(); 14590 } catch (Exception e) { 14591 if (DEBUG_BACKUP) { 14592 Slog.e(TAG, "Unable to write default apps for backup", e); 14593 } 14594 return null; 14595 } 14596 14597 return dataStream.toByteArray(); 14598 } 14599 14600 @Override 14601 public void restoreDefaultApps(byte[] backup, int userId) { 14602 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14603 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14604 } 14605 14606 try { 14607 final XmlPullParser parser = Xml.newPullParser(); 14608 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14609 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14610 new BlobXmlRestorer() { 14611 @Override 14612 public void apply(XmlPullParser parser, int userId) 14613 throws XmlPullParserException, IOException { 14614 synchronized (mPackages) { 14615 mSettings.readDefaultAppsLPw(parser, userId); 14616 } 14617 } 14618 } ); 14619 } catch (Exception e) { 14620 if (DEBUG_BACKUP) { 14621 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14622 } 14623 } 14624 } 14625 14626 @Override 14627 public byte[] getIntentFilterVerificationBackup(int userId) { 14628 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14629 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14630 } 14631 14632 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14633 try { 14634 final XmlSerializer serializer = new FastXmlSerializer(); 14635 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14636 serializer.startDocument(null, true); 14637 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14638 14639 synchronized (mPackages) { 14640 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14641 } 14642 14643 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14644 serializer.endDocument(); 14645 serializer.flush(); 14646 } catch (Exception e) { 14647 if (DEBUG_BACKUP) { 14648 Slog.e(TAG, "Unable to write default apps for backup", e); 14649 } 14650 return null; 14651 } 14652 14653 return dataStream.toByteArray(); 14654 } 14655 14656 @Override 14657 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14658 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14659 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14660 } 14661 14662 try { 14663 final XmlPullParser parser = Xml.newPullParser(); 14664 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14665 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14666 new BlobXmlRestorer() { 14667 @Override 14668 public void apply(XmlPullParser parser, int userId) 14669 throws XmlPullParserException, IOException { 14670 synchronized (mPackages) { 14671 mSettings.readAllDomainVerificationsLPr(parser, userId); 14672 mSettings.writeLPr(); 14673 } 14674 } 14675 } ); 14676 } catch (Exception e) { 14677 if (DEBUG_BACKUP) { 14678 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14679 } 14680 } 14681 } 14682 14683 @Override 14684 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14685 int sourceUserId, int targetUserId, int flags) { 14686 mContext.enforceCallingOrSelfPermission( 14687 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14688 int callingUid = Binder.getCallingUid(); 14689 enforceOwnerRights(ownerPackage, callingUid); 14690 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14691 if (intentFilter.countActions() == 0) { 14692 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14693 return; 14694 } 14695 synchronized (mPackages) { 14696 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14697 ownerPackage, targetUserId, flags); 14698 CrossProfileIntentResolver resolver = 14699 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14700 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14701 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14702 if (existing != null) { 14703 int size = existing.size(); 14704 for (int i = 0; i < size; i++) { 14705 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14706 return; 14707 } 14708 } 14709 } 14710 resolver.addFilter(newFilter); 14711 scheduleWritePackageRestrictionsLocked(sourceUserId); 14712 } 14713 } 14714 14715 @Override 14716 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14717 mContext.enforceCallingOrSelfPermission( 14718 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14719 int callingUid = Binder.getCallingUid(); 14720 enforceOwnerRights(ownerPackage, callingUid); 14721 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14722 synchronized (mPackages) { 14723 CrossProfileIntentResolver resolver = 14724 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14725 ArraySet<CrossProfileIntentFilter> set = 14726 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14727 for (CrossProfileIntentFilter filter : set) { 14728 if (filter.getOwnerPackage().equals(ownerPackage)) { 14729 resolver.removeFilter(filter); 14730 } 14731 } 14732 scheduleWritePackageRestrictionsLocked(sourceUserId); 14733 } 14734 } 14735 14736 // Enforcing that callingUid is owning pkg on userId 14737 private void enforceOwnerRights(String pkg, int callingUid) { 14738 // The system owns everything. 14739 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14740 return; 14741 } 14742 int callingUserId = UserHandle.getUserId(callingUid); 14743 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14744 if (pi == null) { 14745 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14746 + callingUserId); 14747 } 14748 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14749 throw new SecurityException("Calling uid " + callingUid 14750 + " does not own package " + pkg); 14751 } 14752 } 14753 14754 @Override 14755 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14756 Intent intent = new Intent(Intent.ACTION_MAIN); 14757 intent.addCategory(Intent.CATEGORY_HOME); 14758 14759 final int callingUserId = UserHandle.getCallingUserId(); 14760 List<ResolveInfo> list = queryIntentActivities(intent, null, 14761 PackageManager.GET_META_DATA, callingUserId); 14762 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14763 true, false, false, callingUserId); 14764 14765 allHomeCandidates.clear(); 14766 if (list != null) { 14767 for (ResolveInfo ri : list) { 14768 allHomeCandidates.add(ri); 14769 } 14770 } 14771 return (preferred == null || preferred.activityInfo == null) 14772 ? null 14773 : new ComponentName(preferred.activityInfo.packageName, 14774 preferred.activityInfo.name); 14775 } 14776 14777 @Override 14778 public void setApplicationEnabledSetting(String appPackageName, 14779 int newState, int flags, int userId, String callingPackage) { 14780 if (!sUserManager.exists(userId)) return; 14781 if (callingPackage == null) { 14782 callingPackage = Integer.toString(Binder.getCallingUid()); 14783 } 14784 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14785 } 14786 14787 @Override 14788 public void setComponentEnabledSetting(ComponentName componentName, 14789 int newState, int flags, int userId) { 14790 if (!sUserManager.exists(userId)) return; 14791 setEnabledSetting(componentName.getPackageName(), 14792 componentName.getClassName(), newState, flags, userId, null); 14793 } 14794 14795 private void setEnabledSetting(final String packageName, String className, int newState, 14796 final int flags, int userId, String callingPackage) { 14797 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 14798 || newState == COMPONENT_ENABLED_STATE_ENABLED 14799 || newState == COMPONENT_ENABLED_STATE_DISABLED 14800 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 14801 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 14802 throw new IllegalArgumentException("Invalid new component state: " 14803 + newState); 14804 } 14805 PackageSetting pkgSetting; 14806 final int uid = Binder.getCallingUid(); 14807 final int permission = mContext.checkCallingOrSelfPermission( 14808 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14809 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 14810 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14811 boolean sendNow = false; 14812 boolean isApp = (className == null); 14813 String componentName = isApp ? packageName : className; 14814 int packageUid = -1; 14815 ArrayList<String> components; 14816 14817 // writer 14818 synchronized (mPackages) { 14819 pkgSetting = mSettings.mPackages.get(packageName); 14820 if (pkgSetting == null) { 14821 if (className == null) { 14822 throw new IllegalArgumentException( 14823 "Unknown package: " + packageName); 14824 } 14825 throw new IllegalArgumentException( 14826 "Unknown component: " + packageName 14827 + "/" + className); 14828 } 14829 // Allow root and verify that userId is not being specified by a different user 14830 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 14831 throw new SecurityException( 14832 "Permission Denial: attempt to change component state from pid=" 14833 + Binder.getCallingPid() 14834 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 14835 } 14836 if (className == null) { 14837 // We're dealing with an application/package level state change 14838 if (pkgSetting.getEnabled(userId) == newState) { 14839 // Nothing to do 14840 return; 14841 } 14842 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 14843 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 14844 // Don't care about who enables an app. 14845 callingPackage = null; 14846 } 14847 pkgSetting.setEnabled(newState, userId, callingPackage); 14848 // pkgSetting.pkg.mSetEnabled = newState; 14849 } else { 14850 // We're dealing with a component level state change 14851 // First, verify that this is a valid class name. 14852 PackageParser.Package pkg = pkgSetting.pkg; 14853 if (pkg == null || !pkg.hasComponentClassName(className)) { 14854 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 14855 throw new IllegalArgumentException("Component class " + className 14856 + " does not exist in " + packageName); 14857 } else { 14858 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 14859 + className + " does not exist in " + packageName); 14860 } 14861 } 14862 switch (newState) { 14863 case COMPONENT_ENABLED_STATE_ENABLED: 14864 if (!pkgSetting.enableComponentLPw(className, userId)) { 14865 return; 14866 } 14867 break; 14868 case COMPONENT_ENABLED_STATE_DISABLED: 14869 if (!pkgSetting.disableComponentLPw(className, userId)) { 14870 return; 14871 } 14872 break; 14873 case COMPONENT_ENABLED_STATE_DEFAULT: 14874 if (!pkgSetting.restoreComponentLPw(className, userId)) { 14875 return; 14876 } 14877 break; 14878 default: 14879 Slog.e(TAG, "Invalid new component state: " + newState); 14880 return; 14881 } 14882 } 14883 scheduleWritePackageRestrictionsLocked(userId); 14884 components = mPendingBroadcasts.get(userId, packageName); 14885 final boolean newPackage = components == null; 14886 if (newPackage) { 14887 components = new ArrayList<String>(); 14888 } 14889 if (!components.contains(componentName)) { 14890 components.add(componentName); 14891 } 14892 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 14893 sendNow = true; 14894 // Purge entry from pending broadcast list if another one exists already 14895 // since we are sending one right away. 14896 mPendingBroadcasts.remove(userId, packageName); 14897 } else { 14898 if (newPackage) { 14899 mPendingBroadcasts.put(userId, packageName, components); 14900 } 14901 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 14902 // Schedule a message 14903 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 14904 } 14905 } 14906 } 14907 14908 long callingId = Binder.clearCallingIdentity(); 14909 try { 14910 if (sendNow) { 14911 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 14912 sendPackageChangedBroadcast(packageName, 14913 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 14914 } 14915 } finally { 14916 Binder.restoreCallingIdentity(callingId); 14917 } 14918 } 14919 14920 private void sendPackageChangedBroadcast(String packageName, 14921 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 14922 if (DEBUG_INSTALL) 14923 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 14924 + componentNames); 14925 Bundle extras = new Bundle(4); 14926 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 14927 String nameList[] = new String[componentNames.size()]; 14928 componentNames.toArray(nameList); 14929 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 14930 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 14931 extras.putInt(Intent.EXTRA_UID, packageUid); 14932 // If this is not reporting a change of the overall package, then only send it 14933 // to registered receivers. We don't want to launch a swath of apps for every 14934 // little component state change. 14935 final int flags = !componentNames.contains(packageName) 14936 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 14937 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 14938 new int[] {UserHandle.getUserId(packageUid)}); 14939 } 14940 14941 @Override 14942 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 14943 if (!sUserManager.exists(userId)) return; 14944 final int uid = Binder.getCallingUid(); 14945 final int permission = mContext.checkCallingOrSelfPermission( 14946 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14947 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14948 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 14949 // writer 14950 synchronized (mPackages) { 14951 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 14952 allowedByPermission, uid, userId)) { 14953 scheduleWritePackageRestrictionsLocked(userId); 14954 } 14955 } 14956 } 14957 14958 @Override 14959 public String getInstallerPackageName(String packageName) { 14960 // reader 14961 synchronized (mPackages) { 14962 return mSettings.getInstallerPackageNameLPr(packageName); 14963 } 14964 } 14965 14966 @Override 14967 public int getApplicationEnabledSetting(String packageName, int userId) { 14968 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14969 int uid = Binder.getCallingUid(); 14970 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 14971 // reader 14972 synchronized (mPackages) { 14973 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 14974 } 14975 } 14976 14977 @Override 14978 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 14979 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14980 int uid = Binder.getCallingUid(); 14981 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 14982 // reader 14983 synchronized (mPackages) { 14984 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 14985 } 14986 } 14987 14988 @Override 14989 public void enterSafeMode() { 14990 enforceSystemOrRoot("Only the system can request entering safe mode"); 14991 14992 if (!mSystemReady) { 14993 mSafeMode = true; 14994 } 14995 } 14996 14997 @Override 14998 public void systemReady() { 14999 mSystemReady = true; 15000 15001 // Read the compatibilty setting when the system is ready. 15002 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 15003 mContext.getContentResolver(), 15004 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 15005 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 15006 if (DEBUG_SETTINGS) { 15007 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 15008 } 15009 15010 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 15011 15012 synchronized (mPackages) { 15013 // Verify that all of the preferred activity components actually 15014 // exist. It is possible for applications to be updated and at 15015 // that point remove a previously declared activity component that 15016 // had been set as a preferred activity. We try to clean this up 15017 // the next time we encounter that preferred activity, but it is 15018 // possible for the user flow to never be able to return to that 15019 // situation so here we do a sanity check to make sure we haven't 15020 // left any junk around. 15021 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 15022 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15023 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15024 removed.clear(); 15025 for (PreferredActivity pa : pir.filterSet()) { 15026 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 15027 removed.add(pa); 15028 } 15029 } 15030 if (removed.size() > 0) { 15031 for (int r=0; r<removed.size(); r++) { 15032 PreferredActivity pa = removed.get(r); 15033 Slog.w(TAG, "Removing dangling preferred activity: " 15034 + pa.mPref.mComponent); 15035 pir.removeFilter(pa); 15036 } 15037 mSettings.writePackageRestrictionsLPr( 15038 mSettings.mPreferredActivities.keyAt(i)); 15039 } 15040 } 15041 15042 for (int userId : UserManagerService.getInstance().getUserIds()) { 15043 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 15044 grantPermissionsUserIds = ArrayUtils.appendInt( 15045 grantPermissionsUserIds, userId); 15046 } 15047 } 15048 } 15049 sUserManager.systemReady(); 15050 15051 // If we upgraded grant all default permissions before kicking off. 15052 for (int userId : grantPermissionsUserIds) { 15053 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 15054 } 15055 15056 // Kick off any messages waiting for system ready 15057 if (mPostSystemReadyMessages != null) { 15058 for (Message msg : mPostSystemReadyMessages) { 15059 msg.sendToTarget(); 15060 } 15061 mPostSystemReadyMessages = null; 15062 } 15063 15064 // Watch for external volumes that come and go over time 15065 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15066 storage.registerListener(mStorageListener); 15067 15068 mInstallerService.systemReady(); 15069 mPackageDexOptimizer.systemReady(); 15070 15071 MountServiceInternal mountServiceInternal = LocalServices.getService( 15072 MountServiceInternal.class); 15073 mountServiceInternal.addExternalStoragePolicy( 15074 new MountServiceInternal.ExternalStorageMountPolicy() { 15075 @Override 15076 public int getMountMode(int uid, String packageName) { 15077 if (Process.isIsolated(uid)) { 15078 return Zygote.MOUNT_EXTERNAL_NONE; 15079 } 15080 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 15081 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15082 } 15083 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15084 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15085 } 15086 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15087 return Zygote.MOUNT_EXTERNAL_READ; 15088 } 15089 return Zygote.MOUNT_EXTERNAL_WRITE; 15090 } 15091 15092 @Override 15093 public boolean hasExternalStorage(int uid, String packageName) { 15094 return true; 15095 } 15096 }); 15097 } 15098 15099 @Override 15100 public boolean isSafeMode() { 15101 return mSafeMode; 15102 } 15103 15104 @Override 15105 public boolean hasSystemUidErrors() { 15106 return mHasSystemUidErrors; 15107 } 15108 15109 static String arrayToString(int[] array) { 15110 StringBuffer buf = new StringBuffer(128); 15111 buf.append('['); 15112 if (array != null) { 15113 for (int i=0; i<array.length; i++) { 15114 if (i > 0) buf.append(", "); 15115 buf.append(array[i]); 15116 } 15117 } 15118 buf.append(']'); 15119 return buf.toString(); 15120 } 15121 15122 static class DumpState { 15123 public static final int DUMP_LIBS = 1 << 0; 15124 public static final int DUMP_FEATURES = 1 << 1; 15125 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 15126 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 15127 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 15128 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 15129 public static final int DUMP_PERMISSIONS = 1 << 6; 15130 public static final int DUMP_PACKAGES = 1 << 7; 15131 public static final int DUMP_SHARED_USERS = 1 << 8; 15132 public static final int DUMP_MESSAGES = 1 << 9; 15133 public static final int DUMP_PROVIDERS = 1 << 10; 15134 public static final int DUMP_VERIFIERS = 1 << 11; 15135 public static final int DUMP_PREFERRED = 1 << 12; 15136 public static final int DUMP_PREFERRED_XML = 1 << 13; 15137 public static final int DUMP_KEYSETS = 1 << 14; 15138 public static final int DUMP_VERSION = 1 << 15; 15139 public static final int DUMP_INSTALLS = 1 << 16; 15140 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 15141 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 15142 15143 public static final int OPTION_SHOW_FILTERS = 1 << 0; 15144 15145 private int mTypes; 15146 15147 private int mOptions; 15148 15149 private boolean mTitlePrinted; 15150 15151 private SharedUserSetting mSharedUser; 15152 15153 public boolean isDumping(int type) { 15154 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 15155 return true; 15156 } 15157 15158 return (mTypes & type) != 0; 15159 } 15160 15161 public void setDump(int type) { 15162 mTypes |= type; 15163 } 15164 15165 public boolean isOptionEnabled(int option) { 15166 return (mOptions & option) != 0; 15167 } 15168 15169 public void setOptionEnabled(int option) { 15170 mOptions |= option; 15171 } 15172 15173 public boolean onTitlePrinted() { 15174 final boolean printed = mTitlePrinted; 15175 mTitlePrinted = true; 15176 return printed; 15177 } 15178 15179 public boolean getTitlePrinted() { 15180 return mTitlePrinted; 15181 } 15182 15183 public void setTitlePrinted(boolean enabled) { 15184 mTitlePrinted = enabled; 15185 } 15186 15187 public SharedUserSetting getSharedUser() { 15188 return mSharedUser; 15189 } 15190 15191 public void setSharedUser(SharedUserSetting user) { 15192 mSharedUser = user; 15193 } 15194 } 15195 15196 @Override 15197 public void onShellCommand(FileDescriptor in, FileDescriptor out, 15198 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 15199 (new PackageManagerShellCommand(this)).exec( 15200 this, in, out, err, args, resultReceiver); 15201 } 15202 15203 @Override 15204 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 15205 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 15206 != PackageManager.PERMISSION_GRANTED) { 15207 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 15208 + Binder.getCallingPid() 15209 + ", uid=" + Binder.getCallingUid() 15210 + " without permission " 15211 + android.Manifest.permission.DUMP); 15212 return; 15213 } 15214 15215 DumpState dumpState = new DumpState(); 15216 boolean fullPreferred = false; 15217 boolean checkin = false; 15218 15219 String packageName = null; 15220 ArraySet<String> permissionNames = null; 15221 15222 int opti = 0; 15223 while (opti < args.length) { 15224 String opt = args[opti]; 15225 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 15226 break; 15227 } 15228 opti++; 15229 15230 if ("-a".equals(opt)) { 15231 // Right now we only know how to print all. 15232 } else if ("-h".equals(opt)) { 15233 pw.println("Package manager dump options:"); 15234 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 15235 pw.println(" --checkin: dump for a checkin"); 15236 pw.println(" -f: print details of intent filters"); 15237 pw.println(" -h: print this help"); 15238 pw.println(" cmd may be one of:"); 15239 pw.println(" l[ibraries]: list known shared libraries"); 15240 pw.println(" f[eatures]: list device features"); 15241 pw.println(" k[eysets]: print known keysets"); 15242 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 15243 pw.println(" perm[issions]: dump permissions"); 15244 pw.println(" permission [name ...]: dump declaration and use of given permission"); 15245 pw.println(" pref[erred]: print preferred package settings"); 15246 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 15247 pw.println(" prov[iders]: dump content providers"); 15248 pw.println(" p[ackages]: dump installed packages"); 15249 pw.println(" s[hared-users]: dump shared user IDs"); 15250 pw.println(" m[essages]: print collected runtime messages"); 15251 pw.println(" v[erifiers]: print package verifier info"); 15252 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 15253 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 15254 pw.println(" version: print database version info"); 15255 pw.println(" write: write current settings now"); 15256 pw.println(" installs: details about install sessions"); 15257 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 15258 pw.println(" <package.name>: info about given package"); 15259 return; 15260 } else if ("--checkin".equals(opt)) { 15261 checkin = true; 15262 } else if ("-f".equals(opt)) { 15263 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15264 } else { 15265 pw.println("Unknown argument: " + opt + "; use -h for help"); 15266 } 15267 } 15268 15269 // Is the caller requesting to dump a particular piece of data? 15270 if (opti < args.length) { 15271 String cmd = args[opti]; 15272 opti++; 15273 // Is this a package name? 15274 if ("android".equals(cmd) || cmd.contains(".")) { 15275 packageName = cmd; 15276 // When dumping a single package, we always dump all of its 15277 // filter information since the amount of data will be reasonable. 15278 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15279 } else if ("check-permission".equals(cmd)) { 15280 if (opti >= args.length) { 15281 pw.println("Error: check-permission missing permission argument"); 15282 return; 15283 } 15284 String perm = args[opti]; 15285 opti++; 15286 if (opti >= args.length) { 15287 pw.println("Error: check-permission missing package argument"); 15288 return; 15289 } 15290 String pkg = args[opti]; 15291 opti++; 15292 int user = UserHandle.getUserId(Binder.getCallingUid()); 15293 if (opti < args.length) { 15294 try { 15295 user = Integer.parseInt(args[opti]); 15296 } catch (NumberFormatException e) { 15297 pw.println("Error: check-permission user argument is not a number: " 15298 + args[opti]); 15299 return; 15300 } 15301 } 15302 pw.println(checkPermission(perm, pkg, user)); 15303 return; 15304 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 15305 dumpState.setDump(DumpState.DUMP_LIBS); 15306 } else if ("f".equals(cmd) || "features".equals(cmd)) { 15307 dumpState.setDump(DumpState.DUMP_FEATURES); 15308 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 15309 if (opti >= args.length) { 15310 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 15311 | DumpState.DUMP_SERVICE_RESOLVERS 15312 | DumpState.DUMP_RECEIVER_RESOLVERS 15313 | DumpState.DUMP_CONTENT_RESOLVERS); 15314 } else { 15315 while (opti < args.length) { 15316 String name = args[opti]; 15317 if ("a".equals(name) || "activity".equals(name)) { 15318 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 15319 } else if ("s".equals(name) || "service".equals(name)) { 15320 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 15321 } else if ("r".equals(name) || "receiver".equals(name)) { 15322 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 15323 } else if ("c".equals(name) || "content".equals(name)) { 15324 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 15325 } else { 15326 pw.println("Error: unknown resolver table type: " + name); 15327 return; 15328 } 15329 opti++; 15330 } 15331 } 15332 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 15333 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 15334 } else if ("permission".equals(cmd)) { 15335 if (opti >= args.length) { 15336 pw.println("Error: permission requires permission name"); 15337 return; 15338 } 15339 permissionNames = new ArraySet<>(); 15340 while (opti < args.length) { 15341 permissionNames.add(args[opti]); 15342 opti++; 15343 } 15344 dumpState.setDump(DumpState.DUMP_PERMISSIONS 15345 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 15346 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 15347 dumpState.setDump(DumpState.DUMP_PREFERRED); 15348 } else if ("preferred-xml".equals(cmd)) { 15349 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 15350 if (opti < args.length && "--full".equals(args[opti])) { 15351 fullPreferred = true; 15352 opti++; 15353 } 15354 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 15355 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 15356 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 15357 dumpState.setDump(DumpState.DUMP_PACKAGES); 15358 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 15359 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 15360 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 15361 dumpState.setDump(DumpState.DUMP_PROVIDERS); 15362 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 15363 dumpState.setDump(DumpState.DUMP_MESSAGES); 15364 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 15365 dumpState.setDump(DumpState.DUMP_VERIFIERS); 15366 } else if ("i".equals(cmd) || "ifv".equals(cmd) 15367 || "intent-filter-verifiers".equals(cmd)) { 15368 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 15369 } else if ("version".equals(cmd)) { 15370 dumpState.setDump(DumpState.DUMP_VERSION); 15371 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 15372 dumpState.setDump(DumpState.DUMP_KEYSETS); 15373 } else if ("installs".equals(cmd)) { 15374 dumpState.setDump(DumpState.DUMP_INSTALLS); 15375 } else if ("write".equals(cmd)) { 15376 synchronized (mPackages) { 15377 mSettings.writeLPr(); 15378 pw.println("Settings written."); 15379 return; 15380 } 15381 } 15382 } 15383 15384 if (checkin) { 15385 pw.println("vers,1"); 15386 } 15387 15388 // reader 15389 synchronized (mPackages) { 15390 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 15391 if (!checkin) { 15392 if (dumpState.onTitlePrinted()) 15393 pw.println(); 15394 pw.println("Database versions:"); 15395 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 15396 } 15397 } 15398 15399 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 15400 if (!checkin) { 15401 if (dumpState.onTitlePrinted()) 15402 pw.println(); 15403 pw.println("Verifiers:"); 15404 pw.print(" Required: "); 15405 pw.print(mRequiredVerifierPackage); 15406 pw.print(" (uid="); 15407 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 15408 pw.println(")"); 15409 } else if (mRequiredVerifierPackage != null) { 15410 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 15411 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 15412 } 15413 } 15414 15415 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 15416 packageName == null) { 15417 if (mIntentFilterVerifierComponent != null) { 15418 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 15419 if (!checkin) { 15420 if (dumpState.onTitlePrinted()) 15421 pw.println(); 15422 pw.println("Intent Filter Verifier:"); 15423 pw.print(" Using: "); 15424 pw.print(verifierPackageName); 15425 pw.print(" (uid="); 15426 pw.print(getPackageUid(verifierPackageName, 0)); 15427 pw.println(")"); 15428 } else if (verifierPackageName != null) { 15429 pw.print("ifv,"); pw.print(verifierPackageName); 15430 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 15431 } 15432 } else { 15433 pw.println(); 15434 pw.println("No Intent Filter Verifier available!"); 15435 } 15436 } 15437 15438 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 15439 boolean printedHeader = false; 15440 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 15441 while (it.hasNext()) { 15442 String name = it.next(); 15443 SharedLibraryEntry ent = mSharedLibraries.get(name); 15444 if (!checkin) { 15445 if (!printedHeader) { 15446 if (dumpState.onTitlePrinted()) 15447 pw.println(); 15448 pw.println("Libraries:"); 15449 printedHeader = true; 15450 } 15451 pw.print(" "); 15452 } else { 15453 pw.print("lib,"); 15454 } 15455 pw.print(name); 15456 if (!checkin) { 15457 pw.print(" -> "); 15458 } 15459 if (ent.path != null) { 15460 if (!checkin) { 15461 pw.print("(jar) "); 15462 pw.print(ent.path); 15463 } else { 15464 pw.print(",jar,"); 15465 pw.print(ent.path); 15466 } 15467 } else { 15468 if (!checkin) { 15469 pw.print("(apk) "); 15470 pw.print(ent.apk); 15471 } else { 15472 pw.print(",apk,"); 15473 pw.print(ent.apk); 15474 } 15475 } 15476 pw.println(); 15477 } 15478 } 15479 15480 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15481 if (dumpState.onTitlePrinted()) 15482 pw.println(); 15483 if (!checkin) { 15484 pw.println("Features:"); 15485 } 15486 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15487 while (it.hasNext()) { 15488 String name = it.next(); 15489 if (!checkin) { 15490 pw.print(" "); 15491 } else { 15492 pw.print("feat,"); 15493 } 15494 pw.println(name); 15495 } 15496 } 15497 15498 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 15499 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15500 : "Activity Resolver Table:", " ", packageName, 15501 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15502 dumpState.setTitlePrinted(true); 15503 } 15504 } 15505 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 15506 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15507 : "Receiver Resolver Table:", " ", packageName, 15508 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15509 dumpState.setTitlePrinted(true); 15510 } 15511 } 15512 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 15513 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15514 : "Service Resolver Table:", " ", packageName, 15515 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15516 dumpState.setTitlePrinted(true); 15517 } 15518 } 15519 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 15520 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15521 : "Provider Resolver Table:", " ", packageName, 15522 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15523 dumpState.setTitlePrinted(true); 15524 } 15525 } 15526 15527 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15528 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15529 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15530 int user = mSettings.mPreferredActivities.keyAt(i); 15531 if (pir.dump(pw, 15532 dumpState.getTitlePrinted() 15533 ? "\nPreferred Activities User " + user + ":" 15534 : "Preferred Activities User " + user + ":", " ", 15535 packageName, true, false)) { 15536 dumpState.setTitlePrinted(true); 15537 } 15538 } 15539 } 15540 15541 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15542 pw.flush(); 15543 FileOutputStream fout = new FileOutputStream(fd); 15544 BufferedOutputStream str = new BufferedOutputStream(fout); 15545 XmlSerializer serializer = new FastXmlSerializer(); 15546 try { 15547 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15548 serializer.startDocument(null, true); 15549 serializer.setFeature( 15550 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15551 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15552 serializer.endDocument(); 15553 serializer.flush(); 15554 } catch (IllegalArgumentException e) { 15555 pw.println("Failed writing: " + e); 15556 } catch (IllegalStateException e) { 15557 pw.println("Failed writing: " + e); 15558 } catch (IOException e) { 15559 pw.println("Failed writing: " + e); 15560 } 15561 } 15562 15563 if (!checkin 15564 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15565 && packageName == null) { 15566 pw.println(); 15567 int count = mSettings.mPackages.size(); 15568 if (count == 0) { 15569 pw.println("No applications!"); 15570 pw.println(); 15571 } else { 15572 final String prefix = " "; 15573 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15574 if (allPackageSettings.size() == 0) { 15575 pw.println("No domain preferred apps!"); 15576 pw.println(); 15577 } else { 15578 pw.println("App verification status:"); 15579 pw.println(); 15580 count = 0; 15581 for (PackageSetting ps : allPackageSettings) { 15582 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15583 if (ivi == null || ivi.getPackageName() == null) continue; 15584 pw.println(prefix + "Package: " + ivi.getPackageName()); 15585 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15586 pw.println(prefix + "Status: " + ivi.getStatusString()); 15587 pw.println(); 15588 count++; 15589 } 15590 if (count == 0) { 15591 pw.println(prefix + "No app verification established."); 15592 pw.println(); 15593 } 15594 for (int userId : sUserManager.getUserIds()) { 15595 pw.println("App linkages for user " + userId + ":"); 15596 pw.println(); 15597 count = 0; 15598 for (PackageSetting ps : allPackageSettings) { 15599 final long status = ps.getDomainVerificationStatusForUser(userId); 15600 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15601 continue; 15602 } 15603 pw.println(prefix + "Package: " + ps.name); 15604 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15605 String statusStr = IntentFilterVerificationInfo. 15606 getStatusStringFromValue(status); 15607 pw.println(prefix + "Status: " + statusStr); 15608 pw.println(); 15609 count++; 15610 } 15611 if (count == 0) { 15612 pw.println(prefix + "No configured app linkages."); 15613 pw.println(); 15614 } 15615 } 15616 } 15617 } 15618 } 15619 15620 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15621 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15622 if (packageName == null && permissionNames == null) { 15623 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15624 if (iperm == 0) { 15625 if (dumpState.onTitlePrinted()) 15626 pw.println(); 15627 pw.println("AppOp Permissions:"); 15628 } 15629 pw.print(" AppOp Permission "); 15630 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15631 pw.println(":"); 15632 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15633 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15634 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15635 } 15636 } 15637 } 15638 } 15639 15640 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15641 boolean printedSomething = false; 15642 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15643 if (packageName != null && !packageName.equals(p.info.packageName)) { 15644 continue; 15645 } 15646 if (!printedSomething) { 15647 if (dumpState.onTitlePrinted()) 15648 pw.println(); 15649 pw.println("Registered ContentProviders:"); 15650 printedSomething = true; 15651 } 15652 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15653 pw.print(" "); pw.println(p.toString()); 15654 } 15655 printedSomething = false; 15656 for (Map.Entry<String, PackageParser.Provider> entry : 15657 mProvidersByAuthority.entrySet()) { 15658 PackageParser.Provider p = entry.getValue(); 15659 if (packageName != null && !packageName.equals(p.info.packageName)) { 15660 continue; 15661 } 15662 if (!printedSomething) { 15663 if (dumpState.onTitlePrinted()) 15664 pw.println(); 15665 pw.println("ContentProvider Authorities:"); 15666 printedSomething = true; 15667 } 15668 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15669 pw.print(" "); pw.println(p.toString()); 15670 if (p.info != null && p.info.applicationInfo != null) { 15671 final String appInfo = p.info.applicationInfo.toString(); 15672 pw.print(" applicationInfo="); pw.println(appInfo); 15673 } 15674 } 15675 } 15676 15677 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15678 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15679 } 15680 15681 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15682 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15683 } 15684 15685 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15686 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15687 } 15688 15689 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15690 // XXX should handle packageName != null by dumping only install data that 15691 // the given package is involved with. 15692 if (dumpState.onTitlePrinted()) pw.println(); 15693 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 15694 } 15695 15696 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 15697 if (dumpState.onTitlePrinted()) pw.println(); 15698 mSettings.dumpReadMessagesLPr(pw, dumpState); 15699 15700 pw.println(); 15701 pw.println("Package warning messages:"); 15702 BufferedReader in = null; 15703 String line = null; 15704 try { 15705 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15706 while ((line = in.readLine()) != null) { 15707 if (line.contains("ignored: updated version")) continue; 15708 pw.println(line); 15709 } 15710 } catch (IOException ignored) { 15711 } finally { 15712 IoUtils.closeQuietly(in); 15713 } 15714 } 15715 15716 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15717 BufferedReader in = null; 15718 String line = null; 15719 try { 15720 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15721 while ((line = in.readLine()) != null) { 15722 if (line.contains("ignored: updated version")) continue; 15723 pw.print("msg,"); 15724 pw.println(line); 15725 } 15726 } catch (IOException ignored) { 15727 } finally { 15728 IoUtils.closeQuietly(in); 15729 } 15730 } 15731 } 15732 } 15733 15734 private String dumpDomainString(String packageName) { 15735 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15736 List<IntentFilter> filters = getAllIntentFilters(packageName); 15737 15738 ArraySet<String> result = new ArraySet<>(); 15739 if (iviList.size() > 0) { 15740 for (IntentFilterVerificationInfo ivi : iviList) { 15741 for (String host : ivi.getDomains()) { 15742 result.add(host); 15743 } 15744 } 15745 } 15746 if (filters != null && filters.size() > 0) { 15747 for (IntentFilter filter : filters) { 15748 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 15749 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15750 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 15751 result.addAll(filter.getHostsList()); 15752 } 15753 } 15754 } 15755 15756 StringBuilder sb = new StringBuilder(result.size() * 16); 15757 for (String domain : result) { 15758 if (sb.length() > 0) sb.append(" "); 15759 sb.append(domain); 15760 } 15761 return sb.toString(); 15762 } 15763 15764 // ------- apps on sdcard specific code ------- 15765 static final boolean DEBUG_SD_INSTALL = false; 15766 15767 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15768 15769 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15770 15771 private boolean mMediaMounted = false; 15772 15773 static String getEncryptKey() { 15774 try { 15775 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15776 SD_ENCRYPTION_KEYSTORE_NAME); 15777 if (sdEncKey == null) { 15778 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15779 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15780 if (sdEncKey == null) { 15781 Slog.e(TAG, "Failed to create encryption keys"); 15782 return null; 15783 } 15784 } 15785 return sdEncKey; 15786 } catch (NoSuchAlgorithmException nsae) { 15787 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 15788 return null; 15789 } catch (IOException ioe) { 15790 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 15791 return null; 15792 } 15793 } 15794 15795 /* 15796 * Update media status on PackageManager. 15797 */ 15798 @Override 15799 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 15800 int callingUid = Binder.getCallingUid(); 15801 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 15802 throw new SecurityException("Media status can only be updated by the system"); 15803 } 15804 // reader; this apparently protects mMediaMounted, but should probably 15805 // be a different lock in that case. 15806 synchronized (mPackages) { 15807 Log.i(TAG, "Updating external media status from " 15808 + (mMediaMounted ? "mounted" : "unmounted") + " to " 15809 + (mediaStatus ? "mounted" : "unmounted")); 15810 if (DEBUG_SD_INSTALL) 15811 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 15812 + ", mMediaMounted=" + mMediaMounted); 15813 if (mediaStatus == mMediaMounted) { 15814 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 15815 : 0, -1); 15816 mHandler.sendMessage(msg); 15817 return; 15818 } 15819 mMediaMounted = mediaStatus; 15820 } 15821 // Queue up an async operation since the package installation may take a 15822 // little while. 15823 mHandler.post(new Runnable() { 15824 public void run() { 15825 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 15826 } 15827 }); 15828 } 15829 15830 /** 15831 * Called by MountService when the initial ASECs to scan are available. 15832 * Should block until all the ASEC containers are finished being scanned. 15833 */ 15834 public void scanAvailableAsecs() { 15835 updateExternalMediaStatusInner(true, false, false); 15836 if (mShouldRestoreconData) { 15837 SELinuxMMAC.setRestoreconDone(); 15838 mShouldRestoreconData = false; 15839 } 15840 } 15841 15842 /* 15843 * Collect information of applications on external media, map them against 15844 * existing containers and update information based on current mount status. 15845 * Please note that we always have to report status if reportStatus has been 15846 * set to true especially when unloading packages. 15847 */ 15848 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 15849 boolean externalStorage) { 15850 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 15851 int[] uidArr = EmptyArray.INT; 15852 15853 final String[] list = PackageHelper.getSecureContainerList(); 15854 if (ArrayUtils.isEmpty(list)) { 15855 Log.i(TAG, "No secure containers found"); 15856 } else { 15857 // Process list of secure containers and categorize them 15858 // as active or stale based on their package internal state. 15859 15860 // reader 15861 synchronized (mPackages) { 15862 for (String cid : list) { 15863 // Leave stages untouched for now; installer service owns them 15864 if (PackageInstallerService.isStageName(cid)) continue; 15865 15866 if (DEBUG_SD_INSTALL) 15867 Log.i(TAG, "Processing container " + cid); 15868 String pkgName = getAsecPackageName(cid); 15869 if (pkgName == null) { 15870 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 15871 continue; 15872 } 15873 if (DEBUG_SD_INSTALL) 15874 Log.i(TAG, "Looking for pkg : " + pkgName); 15875 15876 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15877 if (ps == null) { 15878 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 15879 continue; 15880 } 15881 15882 /* 15883 * Skip packages that are not external if we're unmounting 15884 * external storage. 15885 */ 15886 if (externalStorage && !isMounted && !isExternal(ps)) { 15887 continue; 15888 } 15889 15890 final AsecInstallArgs args = new AsecInstallArgs(cid, 15891 getAppDexInstructionSets(ps), ps.isForwardLocked()); 15892 // The package status is changed only if the code path 15893 // matches between settings and the container id. 15894 if (ps.codePathString != null 15895 && ps.codePathString.startsWith(args.getCodePath())) { 15896 if (DEBUG_SD_INSTALL) { 15897 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 15898 + " at code path: " + ps.codePathString); 15899 } 15900 15901 // We do have a valid package installed on sdcard 15902 processCids.put(args, ps.codePathString); 15903 final int uid = ps.appId; 15904 if (uid != -1) { 15905 uidArr = ArrayUtils.appendInt(uidArr, uid); 15906 } 15907 } else { 15908 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 15909 + ps.codePathString); 15910 } 15911 } 15912 } 15913 15914 Arrays.sort(uidArr); 15915 } 15916 15917 // Process packages with valid entries. 15918 if (isMounted) { 15919 if (DEBUG_SD_INSTALL) 15920 Log.i(TAG, "Loading packages"); 15921 loadMediaPackages(processCids, uidArr, externalStorage); 15922 startCleaningPackages(); 15923 mInstallerService.onSecureContainersAvailable(); 15924 } else { 15925 if (DEBUG_SD_INSTALL) 15926 Log.i(TAG, "Unloading packages"); 15927 unloadMediaPackages(processCids, uidArr, reportStatus); 15928 } 15929 } 15930 15931 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15932 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 15933 final int size = infos.size(); 15934 final String[] packageNames = new String[size]; 15935 final int[] packageUids = new int[size]; 15936 for (int i = 0; i < size; i++) { 15937 final ApplicationInfo info = infos.get(i); 15938 packageNames[i] = info.packageName; 15939 packageUids[i] = info.uid; 15940 } 15941 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 15942 finishedReceiver); 15943 } 15944 15945 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15946 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15947 sendResourcesChangedBroadcast(mediaStatus, replacing, 15948 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 15949 } 15950 15951 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15952 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15953 int size = pkgList.length; 15954 if (size > 0) { 15955 // Send broadcasts here 15956 Bundle extras = new Bundle(); 15957 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 15958 if (uidArr != null) { 15959 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 15960 } 15961 if (replacing) { 15962 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 15963 } 15964 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 15965 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 15966 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 15967 } 15968 } 15969 15970 /* 15971 * Look at potentially valid container ids from processCids If package 15972 * information doesn't match the one on record or package scanning fails, 15973 * the cid is added to list of removeCids. We currently don't delete stale 15974 * containers. 15975 */ 15976 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 15977 boolean externalStorage) { 15978 ArrayList<String> pkgList = new ArrayList<String>(); 15979 Set<AsecInstallArgs> keys = processCids.keySet(); 15980 15981 for (AsecInstallArgs args : keys) { 15982 String codePath = processCids.get(args); 15983 if (DEBUG_SD_INSTALL) 15984 Log.i(TAG, "Loading container : " + args.cid); 15985 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15986 try { 15987 // Make sure there are no container errors first. 15988 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 15989 Slog.e(TAG, "Failed to mount cid : " + args.cid 15990 + " when installing from sdcard"); 15991 continue; 15992 } 15993 // Check code path here. 15994 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 15995 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 15996 + " does not match one in settings " + codePath); 15997 continue; 15998 } 15999 // Parse package 16000 int parseFlags = mDefParseFlags; 16001 if (args.isExternalAsec()) { 16002 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 16003 } 16004 if (args.isFwdLocked()) { 16005 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 16006 } 16007 16008 synchronized (mInstallLock) { 16009 PackageParser.Package pkg = null; 16010 try { 16011 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 16012 } catch (PackageManagerException e) { 16013 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 16014 } 16015 // Scan the package 16016 if (pkg != null) { 16017 /* 16018 * TODO why is the lock being held? doPostInstall is 16019 * called in other places without the lock. This needs 16020 * to be straightened out. 16021 */ 16022 // writer 16023 synchronized (mPackages) { 16024 retCode = PackageManager.INSTALL_SUCCEEDED; 16025 pkgList.add(pkg.packageName); 16026 // Post process args 16027 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 16028 pkg.applicationInfo.uid); 16029 } 16030 } else { 16031 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 16032 } 16033 } 16034 16035 } finally { 16036 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 16037 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 16038 } 16039 } 16040 } 16041 // writer 16042 synchronized (mPackages) { 16043 // If the platform SDK has changed since the last time we booted, 16044 // we need to re-grant app permission to catch any new ones that 16045 // appear. This is really a hack, and means that apps can in some 16046 // cases get permissions that the user didn't initially explicitly 16047 // allow... it would be nice to have some better way to handle 16048 // this situation. 16049 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 16050 : mSettings.getInternalVersion(); 16051 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 16052 : StorageManager.UUID_PRIVATE_INTERNAL; 16053 16054 int updateFlags = UPDATE_PERMISSIONS_ALL; 16055 if (ver.sdkVersion != mSdkVersion) { 16056 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16057 + mSdkVersion + "; regranting permissions for external"); 16058 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16059 } 16060 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 16061 16062 // Yay, everything is now upgraded 16063 ver.forceCurrent(); 16064 16065 // can downgrade to reader 16066 // Persist settings 16067 mSettings.writeLPr(); 16068 } 16069 // Send a broadcast to let everyone know we are done processing 16070 if (pkgList.size() > 0) { 16071 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 16072 } 16073 } 16074 16075 /* 16076 * Utility method to unload a list of specified containers 16077 */ 16078 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 16079 // Just unmount all valid containers. 16080 for (AsecInstallArgs arg : cidArgs) { 16081 synchronized (mInstallLock) { 16082 arg.doPostDeleteLI(false); 16083 } 16084 } 16085 } 16086 16087 /* 16088 * Unload packages mounted on external media. This involves deleting package 16089 * data from internal structures, sending broadcasts about diabled packages, 16090 * gc'ing to free up references, unmounting all secure containers 16091 * corresponding to packages on external media, and posting a 16092 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 16093 * that we always have to post this message if status has been requested no 16094 * matter what. 16095 */ 16096 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 16097 final boolean reportStatus) { 16098 if (DEBUG_SD_INSTALL) 16099 Log.i(TAG, "unloading media packages"); 16100 ArrayList<String> pkgList = new ArrayList<String>(); 16101 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 16102 final Set<AsecInstallArgs> keys = processCids.keySet(); 16103 for (AsecInstallArgs args : keys) { 16104 String pkgName = args.getPackageName(); 16105 if (DEBUG_SD_INSTALL) 16106 Log.i(TAG, "Trying to unload pkg : " + pkgName); 16107 // Delete package internally 16108 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16109 synchronized (mInstallLock) { 16110 boolean res = deletePackageLI(pkgName, null, false, null, null, 16111 PackageManager.DELETE_KEEP_DATA, outInfo, false); 16112 if (res) { 16113 pkgList.add(pkgName); 16114 } else { 16115 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 16116 failedList.add(args); 16117 } 16118 } 16119 } 16120 16121 // reader 16122 synchronized (mPackages) { 16123 // We didn't update the settings after removing each package; 16124 // write them now for all packages. 16125 mSettings.writeLPr(); 16126 } 16127 16128 // We have to absolutely send UPDATED_MEDIA_STATUS only 16129 // after confirming that all the receivers processed the ordered 16130 // broadcast when packages get disabled, force a gc to clean things up. 16131 // and unload all the containers. 16132 if (pkgList.size() > 0) { 16133 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 16134 new IIntentReceiver.Stub() { 16135 public void performReceive(Intent intent, int resultCode, String data, 16136 Bundle extras, boolean ordered, boolean sticky, 16137 int sendingUser) throws RemoteException { 16138 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 16139 reportStatus ? 1 : 0, 1, keys); 16140 mHandler.sendMessage(msg); 16141 } 16142 }); 16143 } else { 16144 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 16145 keys); 16146 mHandler.sendMessage(msg); 16147 } 16148 } 16149 16150 private void loadPrivatePackages(final VolumeInfo vol) { 16151 mHandler.post(new Runnable() { 16152 @Override 16153 public void run() { 16154 loadPrivatePackagesInner(vol); 16155 } 16156 }); 16157 } 16158 16159 private void loadPrivatePackagesInner(VolumeInfo vol) { 16160 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 16161 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 16162 16163 final VersionInfo ver; 16164 final List<PackageSetting> packages; 16165 synchronized (mPackages) { 16166 ver = mSettings.findOrCreateVersion(vol.fsUuid); 16167 packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16168 } 16169 16170 for (PackageSetting ps : packages) { 16171 synchronized (mInstallLock) { 16172 final PackageParser.Package pkg; 16173 try { 16174 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 16175 loaded.add(pkg.applicationInfo); 16176 } catch (PackageManagerException e) { 16177 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 16178 } 16179 16180 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 16181 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 16182 } 16183 } 16184 } 16185 16186 synchronized (mPackages) { 16187 int updateFlags = UPDATE_PERMISSIONS_ALL; 16188 if (ver.sdkVersion != mSdkVersion) { 16189 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16190 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 16191 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16192 } 16193 updatePermissionsLPw(null, null, vol.fsUuid, updateFlags); 16194 16195 // Yay, everything is now upgraded 16196 ver.forceCurrent(); 16197 16198 mSettings.writeLPr(); 16199 } 16200 16201 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 16202 sendResourcesChangedBroadcast(true, false, loaded, null); 16203 } 16204 16205 private void unloadPrivatePackages(final VolumeInfo vol) { 16206 mHandler.post(new Runnable() { 16207 @Override 16208 public void run() { 16209 unloadPrivatePackagesInner(vol); 16210 } 16211 }); 16212 } 16213 16214 private void unloadPrivatePackagesInner(VolumeInfo vol) { 16215 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 16216 synchronized (mInstallLock) { 16217 synchronized (mPackages) { 16218 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16219 for (PackageSetting ps : packages) { 16220 if (ps.pkg == null) continue; 16221 16222 final ApplicationInfo info = ps.pkg.applicationInfo; 16223 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16224 if (deletePackageLI(ps.name, null, false, null, null, 16225 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 16226 unloaded.add(info); 16227 } else { 16228 Slog.w(TAG, "Failed to unload " + ps.codePath); 16229 } 16230 } 16231 16232 mSettings.writeLPr(); 16233 } 16234 } 16235 16236 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 16237 sendResourcesChangedBroadcast(false, false, unloaded, null); 16238 } 16239 16240 /** 16241 * Examine all users present on given mounted volume, and destroy data 16242 * belonging to users that are no longer valid, or whose user ID has been 16243 * recycled. 16244 */ 16245 private void reconcileUsers(String volumeUuid) { 16246 final File[] files = FileUtils 16247 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 16248 for (File file : files) { 16249 if (!file.isDirectory()) continue; 16250 16251 final int userId; 16252 final UserInfo info; 16253 try { 16254 userId = Integer.parseInt(file.getName()); 16255 info = sUserManager.getUserInfo(userId); 16256 } catch (NumberFormatException e) { 16257 Slog.w(TAG, "Invalid user directory " + file); 16258 continue; 16259 } 16260 16261 boolean destroyUser = false; 16262 if (info == null) { 16263 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16264 + " because no matching user was found"); 16265 destroyUser = true; 16266 } else { 16267 try { 16268 UserManagerService.enforceSerialNumber(file, info.serialNumber); 16269 } catch (IOException e) { 16270 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16271 + " because we failed to enforce serial number: " + e); 16272 destroyUser = true; 16273 } 16274 } 16275 16276 if (destroyUser) { 16277 synchronized (mInstallLock) { 16278 mInstaller.removeUserDataDirs(volumeUuid, userId); 16279 } 16280 } 16281 } 16282 16283 final StorageManager sm = mContext.getSystemService(StorageManager.class); 16284 final UserManager um = mContext.getSystemService(UserManager.class); 16285 for (UserInfo user : um.getUsers()) { 16286 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 16287 if (userDir.exists()) continue; 16288 16289 try { 16290 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber); 16291 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 16292 } catch (IOException e) { 16293 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 16294 } 16295 } 16296 } 16297 16298 /** 16299 * Examine all apps present on given mounted volume, and destroy apps that 16300 * aren't expected, either due to uninstallation or reinstallation on 16301 * another volume. 16302 */ 16303 private void reconcileApps(String volumeUuid) { 16304 final File[] files = FileUtils 16305 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 16306 for (File file : files) { 16307 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 16308 && !PackageInstallerService.isStageName(file.getName()); 16309 if (!isPackage) { 16310 // Ignore entries which are not packages 16311 continue; 16312 } 16313 16314 boolean destroyApp = false; 16315 String packageName = null; 16316 try { 16317 final PackageLite pkg = PackageParser.parsePackageLite(file, 16318 PackageParser.PARSE_MUST_BE_APK); 16319 packageName = pkg.packageName; 16320 16321 synchronized (mPackages) { 16322 final PackageSetting ps = mSettings.mPackages.get(packageName); 16323 if (ps == null) { 16324 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 16325 + volumeUuid + " because we found no install record"); 16326 destroyApp = true; 16327 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16328 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 16329 + volumeUuid + " because we expected it on " + ps.volumeUuid); 16330 destroyApp = true; 16331 } 16332 } 16333 16334 } catch (PackageParserException e) { 16335 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 16336 destroyApp = true; 16337 } 16338 16339 if (destroyApp) { 16340 synchronized (mInstallLock) { 16341 if (packageName != null) { 16342 removeDataDirsLI(volumeUuid, packageName); 16343 } 16344 if (file.isDirectory()) { 16345 mInstaller.rmPackageDir(file.getAbsolutePath()); 16346 } else { 16347 file.delete(); 16348 } 16349 } 16350 } 16351 } 16352 } 16353 16354 private void unfreezePackage(String packageName) { 16355 synchronized (mPackages) { 16356 final PackageSetting ps = mSettings.mPackages.get(packageName); 16357 if (ps != null) { 16358 ps.frozen = false; 16359 } 16360 } 16361 } 16362 16363 @Override 16364 public int movePackage(final String packageName, final String volumeUuid) { 16365 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16366 16367 final int moveId = mNextMoveId.getAndIncrement(); 16368 mHandler.post(new Runnable() { 16369 @Override 16370 public void run() { 16371 try { 16372 movePackageInternal(packageName, volumeUuid, moveId); 16373 } catch (PackageManagerException e) { 16374 Slog.w(TAG, "Failed to move " + packageName, e); 16375 mMoveCallbacks.notifyStatusChanged(moveId, 16376 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16377 } 16378 } 16379 }); 16380 return moveId; 16381 } 16382 16383 private void movePackageInternal(final String packageName, final String volumeUuid, 16384 final int moveId) throws PackageManagerException { 16385 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 16386 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16387 final PackageManager pm = mContext.getPackageManager(); 16388 16389 final boolean currentAsec; 16390 final String currentVolumeUuid; 16391 final File codeFile; 16392 final String installerPackageName; 16393 final String packageAbiOverride; 16394 final int appId; 16395 final String seinfo; 16396 final String label; 16397 16398 // reader 16399 synchronized (mPackages) { 16400 final PackageParser.Package pkg = mPackages.get(packageName); 16401 final PackageSetting ps = mSettings.mPackages.get(packageName); 16402 if (pkg == null || ps == null) { 16403 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 16404 } 16405 16406 if (pkg.applicationInfo.isSystemApp()) { 16407 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 16408 "Cannot move system application"); 16409 } 16410 16411 if (pkg.applicationInfo.isExternalAsec()) { 16412 currentAsec = true; 16413 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 16414 } else if (pkg.applicationInfo.isForwardLocked()) { 16415 currentAsec = true; 16416 currentVolumeUuid = "forward_locked"; 16417 } else { 16418 currentAsec = false; 16419 currentVolumeUuid = ps.volumeUuid; 16420 16421 final File probe = new File(pkg.codePath); 16422 final File probeOat = new File(probe, "oat"); 16423 if (!probe.isDirectory() || !probeOat.isDirectory()) { 16424 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16425 "Move only supported for modern cluster style installs"); 16426 } 16427 } 16428 16429 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 16430 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16431 "Package already moved to " + volumeUuid); 16432 } 16433 16434 if (ps.frozen) { 16435 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 16436 "Failed to move already frozen package"); 16437 } 16438 ps.frozen = true; 16439 16440 codeFile = new File(pkg.codePath); 16441 installerPackageName = ps.installerPackageName; 16442 packageAbiOverride = ps.cpuAbiOverrideString; 16443 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16444 seinfo = pkg.applicationInfo.seinfo; 16445 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 16446 } 16447 16448 // Now that we're guarded by frozen state, kill app during move 16449 final long token = Binder.clearCallingIdentity(); 16450 try { 16451 killApplication(packageName, appId, "move pkg"); 16452 } finally { 16453 Binder.restoreCallingIdentity(token); 16454 } 16455 16456 final Bundle extras = new Bundle(); 16457 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 16458 extras.putString(Intent.EXTRA_TITLE, label); 16459 mMoveCallbacks.notifyCreated(moveId, extras); 16460 16461 int installFlags; 16462 final boolean moveCompleteApp; 16463 final File measurePath; 16464 16465 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16466 installFlags = INSTALL_INTERNAL; 16467 moveCompleteApp = !currentAsec; 16468 measurePath = Environment.getDataAppDirectory(volumeUuid); 16469 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16470 installFlags = INSTALL_EXTERNAL; 16471 moveCompleteApp = false; 16472 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16473 } else { 16474 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16475 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16476 || !volume.isMountedWritable()) { 16477 unfreezePackage(packageName); 16478 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16479 "Move location not mounted private volume"); 16480 } 16481 16482 Preconditions.checkState(!currentAsec); 16483 16484 installFlags = INSTALL_INTERNAL; 16485 moveCompleteApp = true; 16486 measurePath = Environment.getDataAppDirectory(volumeUuid); 16487 } 16488 16489 final PackageStats stats = new PackageStats(null, -1); 16490 synchronized (mInstaller) { 16491 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16492 unfreezePackage(packageName); 16493 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16494 "Failed to measure package size"); 16495 } 16496 } 16497 16498 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16499 + stats.dataSize); 16500 16501 final long startFreeBytes = measurePath.getFreeSpace(); 16502 final long sizeBytes; 16503 if (moveCompleteApp) { 16504 sizeBytes = stats.codeSize + stats.dataSize; 16505 } else { 16506 sizeBytes = stats.codeSize; 16507 } 16508 16509 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16510 unfreezePackage(packageName); 16511 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16512 "Not enough free space to move"); 16513 } 16514 16515 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16516 16517 final CountDownLatch installedLatch = new CountDownLatch(1); 16518 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16519 @Override 16520 public void onUserActionRequired(Intent intent) throws RemoteException { 16521 throw new IllegalStateException(); 16522 } 16523 16524 @Override 16525 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16526 Bundle extras) throws RemoteException { 16527 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16528 + PackageManager.installStatusToString(returnCode, msg)); 16529 16530 installedLatch.countDown(); 16531 16532 // Regardless of success or failure of the move operation, 16533 // always unfreeze the package 16534 unfreezePackage(packageName); 16535 16536 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16537 switch (status) { 16538 case PackageInstaller.STATUS_SUCCESS: 16539 mMoveCallbacks.notifyStatusChanged(moveId, 16540 PackageManager.MOVE_SUCCEEDED); 16541 break; 16542 case PackageInstaller.STATUS_FAILURE_STORAGE: 16543 mMoveCallbacks.notifyStatusChanged(moveId, 16544 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16545 break; 16546 default: 16547 mMoveCallbacks.notifyStatusChanged(moveId, 16548 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16549 break; 16550 } 16551 } 16552 }; 16553 16554 final MoveInfo move; 16555 if (moveCompleteApp) { 16556 // Kick off a thread to report progress estimates 16557 new Thread() { 16558 @Override 16559 public void run() { 16560 while (true) { 16561 try { 16562 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16563 break; 16564 } 16565 } catch (InterruptedException ignored) { 16566 } 16567 16568 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16569 final int progress = 10 + (int) MathUtils.constrain( 16570 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16571 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16572 } 16573 } 16574 }.start(); 16575 16576 final String dataAppName = codeFile.getName(); 16577 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16578 dataAppName, appId, seinfo); 16579 } else { 16580 move = null; 16581 } 16582 16583 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16584 16585 final Message msg = mHandler.obtainMessage(INIT_COPY); 16586 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16587 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 16588 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16589 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 16590 msg.obj = params; 16591 16592 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 16593 System.identityHashCode(msg.obj)); 16594 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 16595 System.identityHashCode(msg.obj)); 16596 16597 mHandler.sendMessage(msg); 16598 } 16599 16600 @Override 16601 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16602 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16603 16604 final int realMoveId = mNextMoveId.getAndIncrement(); 16605 final Bundle extras = new Bundle(); 16606 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16607 mMoveCallbacks.notifyCreated(realMoveId, extras); 16608 16609 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16610 @Override 16611 public void onCreated(int moveId, Bundle extras) { 16612 // Ignored 16613 } 16614 16615 @Override 16616 public void onStatusChanged(int moveId, int status, long estMillis) { 16617 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16618 } 16619 }; 16620 16621 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16622 storage.setPrimaryStorageUuid(volumeUuid, callback); 16623 return realMoveId; 16624 } 16625 16626 @Override 16627 public int getMoveStatus(int moveId) { 16628 mContext.enforceCallingOrSelfPermission( 16629 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16630 return mMoveCallbacks.mLastStatus.get(moveId); 16631 } 16632 16633 @Override 16634 public void registerMoveCallback(IPackageMoveObserver callback) { 16635 mContext.enforceCallingOrSelfPermission( 16636 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16637 mMoveCallbacks.register(callback); 16638 } 16639 16640 @Override 16641 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16642 mContext.enforceCallingOrSelfPermission( 16643 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16644 mMoveCallbacks.unregister(callback); 16645 } 16646 16647 @Override 16648 public boolean setInstallLocation(int loc) { 16649 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16650 null); 16651 if (getInstallLocation() == loc) { 16652 return true; 16653 } 16654 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16655 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16656 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16657 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16658 return true; 16659 } 16660 return false; 16661 } 16662 16663 @Override 16664 public int getInstallLocation() { 16665 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16666 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16667 PackageHelper.APP_INSTALL_AUTO); 16668 } 16669 16670 /** Called by UserManagerService */ 16671 void cleanUpUser(UserManagerService userManager, int userHandle) { 16672 synchronized (mPackages) { 16673 mDirtyUsers.remove(userHandle); 16674 mUserNeedsBadging.delete(userHandle); 16675 mSettings.removeUserLPw(userHandle); 16676 mPendingBroadcasts.remove(userHandle); 16677 } 16678 synchronized (mInstallLock) { 16679 if (mInstaller != null) { 16680 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16681 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16682 final String volumeUuid = vol.getFsUuid(); 16683 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 16684 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 16685 } 16686 } 16687 synchronized (mPackages) { 16688 removeUnusedPackagesLILPw(userManager, userHandle); 16689 } 16690 } 16691 } 16692 16693 /** 16694 * We're removing userHandle and would like to remove any downloaded packages 16695 * that are no longer in use by any other user. 16696 * @param userHandle the user being removed 16697 */ 16698 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 16699 final boolean DEBUG_CLEAN_APKS = false; 16700 int [] users = userManager.getUserIds(); 16701 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 16702 while (psit.hasNext()) { 16703 PackageSetting ps = psit.next(); 16704 if (ps.pkg == null) { 16705 continue; 16706 } 16707 final String packageName = ps.pkg.packageName; 16708 // Skip over if system app 16709 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 16710 continue; 16711 } 16712 if (DEBUG_CLEAN_APKS) { 16713 Slog.i(TAG, "Checking package " + packageName); 16714 } 16715 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 16716 if (keep) { 16717 if (DEBUG_CLEAN_APKS) { 16718 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 16719 } 16720 } else { 16721 for (int i = 0; i < users.length; i++) { 16722 if (users[i] != userHandle && ps.getInstalled(users[i])) { 16723 keep = true; 16724 if (DEBUG_CLEAN_APKS) { 16725 Slog.i(TAG, " Keeping package " + packageName + " for user " 16726 + users[i]); 16727 } 16728 break; 16729 } 16730 } 16731 } 16732 if (!keep) { 16733 if (DEBUG_CLEAN_APKS) { 16734 Slog.i(TAG, " Removing package " + packageName); 16735 } 16736 mHandler.post(new Runnable() { 16737 public void run() { 16738 deletePackageX(packageName, userHandle, 0); 16739 } //end run 16740 }); 16741 } 16742 } 16743 } 16744 16745 /** Called by UserManagerService */ 16746 void createNewUser(int userHandle) { 16747 if (mInstaller != null) { 16748 synchronized (mInstallLock) { 16749 synchronized (mPackages) { 16750 mInstaller.createUserConfig(userHandle); 16751 mSettings.createNewUserLILPw(this, mInstaller, userHandle); 16752 } 16753 } 16754 synchronized (mPackages) { 16755 applyFactoryDefaultBrowserLPw(userHandle); 16756 primeDomainVerificationsLPw(userHandle); 16757 } 16758 } 16759 } 16760 16761 void newUserCreated(final int userHandle) { 16762 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 16763 } 16764 16765 @Override 16766 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 16767 mContext.enforceCallingOrSelfPermission( 16768 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 16769 "Only package verification agents can read the verifier device identity"); 16770 16771 synchronized (mPackages) { 16772 return mSettings.getVerifierDeviceIdentityLPw(); 16773 } 16774 } 16775 16776 @Override 16777 public void setPermissionEnforced(String permission, boolean enforced) { 16778 // TODO: Now that we no longer change GID for storage, this should to away. 16779 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 16780 "setPermissionEnforced"); 16781 if (READ_EXTERNAL_STORAGE.equals(permission)) { 16782 synchronized (mPackages) { 16783 if (mSettings.mReadExternalStorageEnforced == null 16784 || mSettings.mReadExternalStorageEnforced != enforced) { 16785 mSettings.mReadExternalStorageEnforced = enforced; 16786 mSettings.writeLPr(); 16787 } 16788 } 16789 // kill any non-foreground processes so we restart them and 16790 // grant/revoke the GID. 16791 final IActivityManager am = ActivityManagerNative.getDefault(); 16792 if (am != null) { 16793 final long token = Binder.clearCallingIdentity(); 16794 try { 16795 am.killProcessesBelowForeground("setPermissionEnforcement"); 16796 } catch (RemoteException e) { 16797 } finally { 16798 Binder.restoreCallingIdentity(token); 16799 } 16800 } 16801 } else { 16802 throw new IllegalArgumentException("No selective enforcement for " + permission); 16803 } 16804 } 16805 16806 @Override 16807 @Deprecated 16808 public boolean isPermissionEnforced(String permission) { 16809 return true; 16810 } 16811 16812 @Override 16813 public boolean isStorageLow() { 16814 final long token = Binder.clearCallingIdentity(); 16815 try { 16816 final DeviceStorageMonitorInternal 16817 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 16818 if (dsm != null) { 16819 return dsm.isMemoryLow(); 16820 } else { 16821 return false; 16822 } 16823 } finally { 16824 Binder.restoreCallingIdentity(token); 16825 } 16826 } 16827 16828 @Override 16829 public IPackageInstaller getPackageInstaller() { 16830 return mInstallerService; 16831 } 16832 16833 private boolean userNeedsBadging(int userId) { 16834 int index = mUserNeedsBadging.indexOfKey(userId); 16835 if (index < 0) { 16836 final UserInfo userInfo; 16837 final long token = Binder.clearCallingIdentity(); 16838 try { 16839 userInfo = sUserManager.getUserInfo(userId); 16840 } finally { 16841 Binder.restoreCallingIdentity(token); 16842 } 16843 final boolean b; 16844 if (userInfo != null && userInfo.isManagedProfile()) { 16845 b = true; 16846 } else { 16847 b = false; 16848 } 16849 mUserNeedsBadging.put(userId, b); 16850 return b; 16851 } 16852 return mUserNeedsBadging.valueAt(index); 16853 } 16854 16855 @Override 16856 public KeySet getKeySetByAlias(String packageName, String alias) { 16857 if (packageName == null || alias == null) { 16858 return null; 16859 } 16860 synchronized(mPackages) { 16861 final PackageParser.Package pkg = mPackages.get(packageName); 16862 if (pkg == null) { 16863 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16864 throw new IllegalArgumentException("Unknown package: " + packageName); 16865 } 16866 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16867 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 16868 } 16869 } 16870 16871 @Override 16872 public KeySet getSigningKeySet(String packageName) { 16873 if (packageName == null) { 16874 return null; 16875 } 16876 synchronized(mPackages) { 16877 final PackageParser.Package pkg = mPackages.get(packageName); 16878 if (pkg == null) { 16879 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16880 throw new IllegalArgumentException("Unknown package: " + packageName); 16881 } 16882 if (pkg.applicationInfo.uid != Binder.getCallingUid() 16883 && Process.SYSTEM_UID != Binder.getCallingUid()) { 16884 throw new SecurityException("May not access signing KeySet of other apps."); 16885 } 16886 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16887 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 16888 } 16889 } 16890 16891 @Override 16892 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 16893 if (packageName == null || ks == null) { 16894 return false; 16895 } 16896 synchronized(mPackages) { 16897 final PackageParser.Package pkg = mPackages.get(packageName); 16898 if (pkg == null) { 16899 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16900 throw new IllegalArgumentException("Unknown package: " + packageName); 16901 } 16902 IBinder ksh = ks.getToken(); 16903 if (ksh instanceof KeySetHandle) { 16904 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16905 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 16906 } 16907 return false; 16908 } 16909 } 16910 16911 @Override 16912 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 16913 if (packageName == null || ks == null) { 16914 return false; 16915 } 16916 synchronized(mPackages) { 16917 final PackageParser.Package pkg = mPackages.get(packageName); 16918 if (pkg == null) { 16919 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16920 throw new IllegalArgumentException("Unknown package: " + packageName); 16921 } 16922 IBinder ksh = ks.getToken(); 16923 if (ksh instanceof KeySetHandle) { 16924 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16925 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 16926 } 16927 return false; 16928 } 16929 } 16930 16931 private void deletePackageIfUnusedLPr(final String packageName) { 16932 PackageSetting ps = mSettings.mPackages.get(packageName); 16933 if (ps == null) { 16934 return; 16935 } 16936 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 16937 // TODO Implement atomic delete if package is unused 16938 // It is currently possible that the package will be deleted even if it is installed 16939 // after this method returns. 16940 mHandler.post(new Runnable() { 16941 public void run() { 16942 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 16943 } 16944 }); 16945 } 16946 } 16947 16948 /** 16949 * Check and throw if the given before/after packages would be considered a 16950 * downgrade. 16951 */ 16952 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 16953 throws PackageManagerException { 16954 if (after.versionCode < before.mVersionCode) { 16955 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16956 "Update version code " + after.versionCode + " is older than current " 16957 + before.mVersionCode); 16958 } else if (after.versionCode == before.mVersionCode) { 16959 if (after.baseRevisionCode < before.baseRevisionCode) { 16960 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16961 "Update base revision code " + after.baseRevisionCode 16962 + " is older than current " + before.baseRevisionCode); 16963 } 16964 16965 if (!ArrayUtils.isEmpty(after.splitNames)) { 16966 for (int i = 0; i < after.splitNames.length; i++) { 16967 final String splitName = after.splitNames[i]; 16968 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 16969 if (j != -1) { 16970 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 16971 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16972 "Update split " + splitName + " revision code " 16973 + after.splitRevisionCodes[i] + " is older than current " 16974 + before.splitRevisionCodes[j]); 16975 } 16976 } 16977 } 16978 } 16979 } 16980 } 16981 16982 private static class MoveCallbacks extends Handler { 16983 private static final int MSG_CREATED = 1; 16984 private static final int MSG_STATUS_CHANGED = 2; 16985 16986 private final RemoteCallbackList<IPackageMoveObserver> 16987 mCallbacks = new RemoteCallbackList<>(); 16988 16989 private final SparseIntArray mLastStatus = new SparseIntArray(); 16990 16991 public MoveCallbacks(Looper looper) { 16992 super(looper); 16993 } 16994 16995 public void register(IPackageMoveObserver callback) { 16996 mCallbacks.register(callback); 16997 } 16998 16999 public void unregister(IPackageMoveObserver callback) { 17000 mCallbacks.unregister(callback); 17001 } 17002 17003 @Override 17004 public void handleMessage(Message msg) { 17005 final SomeArgs args = (SomeArgs) msg.obj; 17006 final int n = mCallbacks.beginBroadcast(); 17007 for (int i = 0; i < n; i++) { 17008 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 17009 try { 17010 invokeCallback(callback, msg.what, args); 17011 } catch (RemoteException ignored) { 17012 } 17013 } 17014 mCallbacks.finishBroadcast(); 17015 args.recycle(); 17016 } 17017 17018 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 17019 throws RemoteException { 17020 switch (what) { 17021 case MSG_CREATED: { 17022 callback.onCreated(args.argi1, (Bundle) args.arg2); 17023 break; 17024 } 17025 case MSG_STATUS_CHANGED: { 17026 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 17027 break; 17028 } 17029 } 17030 } 17031 17032 private void notifyCreated(int moveId, Bundle extras) { 17033 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 17034 17035 final SomeArgs args = SomeArgs.obtain(); 17036 args.argi1 = moveId; 17037 args.arg2 = extras; 17038 obtainMessage(MSG_CREATED, args).sendToTarget(); 17039 } 17040 17041 private void notifyStatusChanged(int moveId, int status) { 17042 notifyStatusChanged(moveId, status, -1); 17043 } 17044 17045 private void notifyStatusChanged(int moveId, int status, long estMillis) { 17046 Slog.v(TAG, "Move " + moveId + " status " + status); 17047 17048 final SomeArgs args = SomeArgs.obtain(); 17049 args.argi1 = moveId; 17050 args.argi2 = status; 17051 args.arg3 = estMillis; 17052 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 17053 17054 synchronized (mLastStatus) { 17055 mLastStatus.put(moveId, status); 17056 } 17057 } 17058 } 17059 17060 private final class OnPermissionChangeListeners extends Handler { 17061 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 17062 17063 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 17064 new RemoteCallbackList<>(); 17065 17066 public OnPermissionChangeListeners(Looper looper) { 17067 super(looper); 17068 } 17069 17070 @Override 17071 public void handleMessage(Message msg) { 17072 switch (msg.what) { 17073 case MSG_ON_PERMISSIONS_CHANGED: { 17074 final int uid = msg.arg1; 17075 handleOnPermissionsChanged(uid); 17076 } break; 17077 } 17078 } 17079 17080 public void addListenerLocked(IOnPermissionsChangeListener listener) { 17081 mPermissionListeners.register(listener); 17082 17083 } 17084 17085 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 17086 mPermissionListeners.unregister(listener); 17087 } 17088 17089 public void onPermissionsChanged(int uid) { 17090 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 17091 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 17092 } 17093 } 17094 17095 private void handleOnPermissionsChanged(int uid) { 17096 final int count = mPermissionListeners.beginBroadcast(); 17097 try { 17098 for (int i = 0; i < count; i++) { 17099 IOnPermissionsChangeListener callback = mPermissionListeners 17100 .getBroadcastItem(i); 17101 try { 17102 callback.onPermissionsChanged(uid); 17103 } catch (RemoteException e) { 17104 Log.e(TAG, "Permission listener is dead", e); 17105 } 17106 } 17107 } finally { 17108 mPermissionListeners.finishBroadcast(); 17109 } 17110 } 17111 } 17112 17113 private class PackageManagerInternalImpl extends PackageManagerInternal { 17114 @Override 17115 public void setLocationPackagesProvider(PackagesProvider provider) { 17116 synchronized (mPackages) { 17117 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 17118 } 17119 } 17120 17121 @Override 17122 public void setImePackagesProvider(PackagesProvider provider) { 17123 synchronized (mPackages) { 17124 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 17125 } 17126 } 17127 17128 @Override 17129 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 17130 synchronized (mPackages) { 17131 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 17132 } 17133 } 17134 17135 @Override 17136 public void setSmsAppPackagesProvider(PackagesProvider provider) { 17137 synchronized (mPackages) { 17138 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 17139 } 17140 } 17141 17142 @Override 17143 public void setDialerAppPackagesProvider(PackagesProvider provider) { 17144 synchronized (mPackages) { 17145 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 17146 } 17147 } 17148 17149 @Override 17150 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 17151 synchronized (mPackages) { 17152 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 17153 } 17154 } 17155 17156 @Override 17157 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 17158 synchronized (mPackages) { 17159 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 17160 } 17161 } 17162 17163 @Override 17164 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 17165 synchronized (mPackages) { 17166 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 17167 packageName, userId); 17168 } 17169 } 17170 17171 @Override 17172 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 17173 synchronized (mPackages) { 17174 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 17175 packageName, userId); 17176 } 17177 } 17178 @Override 17179 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 17180 synchronized (mPackages) { 17181 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 17182 packageName, userId); 17183 } 17184 } 17185 17186 @Override 17187 public void setKeepUninstalledPackages(final List<String> packageList) { 17188 Preconditions.checkNotNull(packageList); 17189 List<String> removedFromList = null; 17190 synchronized (mPackages) { 17191 if (mKeepUninstalledPackages != null) { 17192 final int packagesCount = mKeepUninstalledPackages.size(); 17193 for (int i = 0; i < packagesCount; i++) { 17194 String oldPackage = mKeepUninstalledPackages.get(i); 17195 if (packageList != null && packageList.contains(oldPackage)) { 17196 continue; 17197 } 17198 if (removedFromList == null) { 17199 removedFromList = new ArrayList<>(); 17200 } 17201 removedFromList.add(oldPackage); 17202 } 17203 } 17204 mKeepUninstalledPackages = new ArrayList<>(packageList); 17205 if (removedFromList != null) { 17206 final int removedCount = removedFromList.size(); 17207 for (int i = 0; i < removedCount; i++) { 17208 deletePackageIfUnusedLPr(removedFromList.get(i)); 17209 } 17210 } 17211 } 17212 } 17213 } 17214 17215 @Override 17216 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 17217 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 17218 synchronized (mPackages) { 17219 final long identity = Binder.clearCallingIdentity(); 17220 try { 17221 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 17222 packageNames, userId); 17223 } finally { 17224 Binder.restoreCallingIdentity(identity); 17225 } 17226 } 17227 } 17228 17229 private static void enforceSystemOrPhoneCaller(String tag) { 17230 int callingUid = Binder.getCallingUid(); 17231 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 17232 throw new SecurityException( 17233 "Cannot call " + tag + " from UID " + callingUid); 17234 } 17235 } 17236} 17237