PackageManagerService.java revision b8a279ee838c309a64211a3caa5e5e204250163d
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 private static class IFVerificationParams { 621 PackageParser.Package pkg; 622 boolean replacing; 623 int userId; 624 int verifierUid; 625 626 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 627 int _userId, int _verifierUid) { 628 pkg = _pkg; 629 replacing = _replacing; 630 userId = _userId; 631 replacing = _replacing; 632 verifierUid = _verifierUid; 633 } 634 } 635 636 private interface IntentFilterVerifier<T extends IntentFilter> { 637 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 638 T filter, String packageName); 639 void startVerifications(int userId); 640 void receiveVerificationResponse(int verificationId); 641 } 642 643 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 644 private Context mContext; 645 private ComponentName mIntentFilterVerifierComponent; 646 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 647 648 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 649 mContext = context; 650 mIntentFilterVerifierComponent = verifierComponent; 651 } 652 653 private String getDefaultScheme() { 654 return IntentFilter.SCHEME_HTTPS; 655 } 656 657 @Override 658 public void startVerifications(int userId) { 659 // Launch verifications requests 660 int count = mCurrentIntentFilterVerifications.size(); 661 for (int n=0; n<count; n++) { 662 int verificationId = mCurrentIntentFilterVerifications.get(n); 663 final IntentFilterVerificationState ivs = 664 mIntentFilterVerificationStates.get(verificationId); 665 666 String packageName = ivs.getPackageName(); 667 668 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 669 final int filterCount = filters.size(); 670 ArraySet<String> domainsSet = new ArraySet<>(); 671 for (int m=0; m<filterCount; m++) { 672 PackageParser.ActivityIntentInfo filter = filters.get(m); 673 domainsSet.addAll(filter.getHostsList()); 674 } 675 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 676 synchronized (mPackages) { 677 if (mSettings.createIntentFilterVerificationIfNeededLPw( 678 packageName, domainsList) != null) { 679 scheduleWriteSettingsLocked(); 680 } 681 } 682 sendVerificationRequest(userId, verificationId, ivs); 683 } 684 mCurrentIntentFilterVerifications.clear(); 685 } 686 687 private void sendVerificationRequest(int userId, int verificationId, 688 IntentFilterVerificationState ivs) { 689 690 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 691 verificationIntent.putExtra( 692 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 693 verificationId); 694 verificationIntent.putExtra( 695 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 696 getDefaultScheme()); 697 verificationIntent.putExtra( 698 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 699 ivs.getHostsString()); 700 verificationIntent.putExtra( 701 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 702 ivs.getPackageName()); 703 verificationIntent.setComponent(mIntentFilterVerifierComponent); 704 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 705 706 UserHandle user = new UserHandle(userId); 707 mContext.sendBroadcastAsUser(verificationIntent, user); 708 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 709 "Sending IntentFilter verification broadcast"); 710 } 711 712 public void receiveVerificationResponse(int verificationId) { 713 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 714 715 final boolean verified = ivs.isVerified(); 716 717 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 718 final int count = filters.size(); 719 if (DEBUG_DOMAIN_VERIFICATION) { 720 Slog.i(TAG, "Received verification response " + verificationId 721 + " for " + count + " filters, verified=" + verified); 722 } 723 for (int n=0; n<count; n++) { 724 PackageParser.ActivityIntentInfo filter = filters.get(n); 725 filter.setVerified(verified); 726 727 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 728 + " verified with result:" + verified + " and hosts:" 729 + ivs.getHostsString()); 730 } 731 732 mIntentFilterVerificationStates.remove(verificationId); 733 734 final String packageName = ivs.getPackageName(); 735 IntentFilterVerificationInfo ivi = null; 736 737 synchronized (mPackages) { 738 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 739 } 740 if (ivi == null) { 741 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 742 + verificationId + " packageName:" + packageName); 743 return; 744 } 745 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 746 "Updating IntentFilterVerificationInfo for package " + packageName 747 +" verificationId:" + verificationId); 748 749 synchronized (mPackages) { 750 if (verified) { 751 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 752 } else { 753 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 754 } 755 scheduleWriteSettingsLocked(); 756 757 final int userId = ivs.getUserId(); 758 if (userId != UserHandle.USER_ALL) { 759 final int userStatus = 760 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 761 762 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 763 boolean needUpdate = false; 764 765 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 766 // already been set by the User thru the Disambiguation dialog 767 switch (userStatus) { 768 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 769 if (verified) { 770 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 771 } else { 772 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 773 } 774 needUpdate = true; 775 break; 776 777 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 778 if (verified) { 779 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 780 needUpdate = true; 781 } 782 break; 783 784 default: 785 // Nothing to do 786 } 787 788 if (needUpdate) { 789 mSettings.updateIntentFilterVerificationStatusLPw( 790 packageName, updatedStatus, userId); 791 scheduleWritePackageRestrictionsLocked(userId); 792 } 793 } 794 } 795 } 796 797 @Override 798 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 799 ActivityIntentInfo filter, String packageName) { 800 if (!hasValidDomains(filter)) { 801 return false; 802 } 803 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 804 if (ivs == null) { 805 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 806 packageName); 807 } 808 if (DEBUG_DOMAIN_VERIFICATION) { 809 Slog.d(TAG, "Adding verification filter for " + packageName + " : " + filter); 810 } 811 ivs.addFilter(filter); 812 return true; 813 } 814 815 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 816 int userId, int verificationId, String packageName) { 817 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 818 verifierUid, userId, packageName); 819 ivs.setPendingState(); 820 synchronized (mPackages) { 821 mIntentFilterVerificationStates.append(verificationId, ivs); 822 mCurrentIntentFilterVerifications.add(verificationId); 823 } 824 return ivs; 825 } 826 } 827 828 private static boolean hasValidDomains(ActivityIntentInfo filter) { 829 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 830 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 831 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 832 } 833 834 private IntentFilterVerifier mIntentFilterVerifier; 835 836 // Set of pending broadcasts for aggregating enable/disable of components. 837 static class PendingPackageBroadcasts { 838 // for each user id, a map of <package name -> components within that package> 839 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 840 841 public PendingPackageBroadcasts() { 842 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 843 } 844 845 public ArrayList<String> get(int userId, String packageName) { 846 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 847 return packages.get(packageName); 848 } 849 850 public void put(int userId, String packageName, ArrayList<String> components) { 851 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 852 packages.put(packageName, components); 853 } 854 855 public void remove(int userId, String packageName) { 856 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 857 if (packages != null) { 858 packages.remove(packageName); 859 } 860 } 861 862 public void remove(int userId) { 863 mUidMap.remove(userId); 864 } 865 866 public int userIdCount() { 867 return mUidMap.size(); 868 } 869 870 public int userIdAt(int n) { 871 return mUidMap.keyAt(n); 872 } 873 874 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 875 return mUidMap.get(userId); 876 } 877 878 public int size() { 879 // total number of pending broadcast entries across all userIds 880 int num = 0; 881 for (int i = 0; i< mUidMap.size(); i++) { 882 num += mUidMap.valueAt(i).size(); 883 } 884 return num; 885 } 886 887 public void clear() { 888 mUidMap.clear(); 889 } 890 891 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 892 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 893 if (map == null) { 894 map = new ArrayMap<String, ArrayList<String>>(); 895 mUidMap.put(userId, map); 896 } 897 return map; 898 } 899 } 900 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 901 902 // Service Connection to remote media container service to copy 903 // package uri's from external media onto secure containers 904 // or internal storage. 905 private IMediaContainerService mContainerService = null; 906 907 static final int SEND_PENDING_BROADCAST = 1; 908 static final int MCS_BOUND = 3; 909 static final int END_COPY = 4; 910 static final int INIT_COPY = 5; 911 static final int MCS_UNBIND = 6; 912 static final int START_CLEANING_PACKAGE = 7; 913 static final int FIND_INSTALL_LOC = 8; 914 static final int POST_INSTALL = 9; 915 static final int MCS_RECONNECT = 10; 916 static final int MCS_GIVE_UP = 11; 917 static final int UPDATED_MEDIA_STATUS = 12; 918 static final int WRITE_SETTINGS = 13; 919 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 920 static final int PACKAGE_VERIFIED = 15; 921 static final int CHECK_PENDING_VERIFICATION = 16; 922 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 923 static final int INTENT_FILTER_VERIFIED = 18; 924 925 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 926 927 // Delay time in millisecs 928 static final int BROADCAST_DELAY = 10 * 1000; 929 930 static UserManagerService sUserManager; 931 932 // Stores a list of users whose package restrictions file needs to be updated 933 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 934 935 final private DefaultContainerConnection mDefContainerConn = 936 new DefaultContainerConnection(); 937 class DefaultContainerConnection implements ServiceConnection { 938 public void onServiceConnected(ComponentName name, IBinder service) { 939 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 940 IMediaContainerService imcs = 941 IMediaContainerService.Stub.asInterface(service); 942 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 943 } 944 945 public void onServiceDisconnected(ComponentName name) { 946 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 947 } 948 } 949 950 // Recordkeeping of restore-after-install operations that are currently in flight 951 // between the Package Manager and the Backup Manager 952 class PostInstallData { 953 public InstallArgs args; 954 public PackageInstalledInfo res; 955 956 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 957 args = _a; 958 res = _r; 959 } 960 } 961 962 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 963 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 964 965 // XML tags for backup/restore of various bits of state 966 private static final String TAG_PREFERRED_BACKUP = "pa"; 967 private static final String TAG_DEFAULT_APPS = "da"; 968 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 969 970 final String mRequiredVerifierPackage; 971 final String mRequiredInstallerPackage; 972 973 private final PackageUsage mPackageUsage = new PackageUsage(); 974 975 private class PackageUsage { 976 private static final int WRITE_INTERVAL 977 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 978 979 private final Object mFileLock = new Object(); 980 private final AtomicLong mLastWritten = new AtomicLong(0); 981 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 982 983 private boolean mIsHistoricalPackageUsageAvailable = true; 984 985 boolean isHistoricalPackageUsageAvailable() { 986 return mIsHistoricalPackageUsageAvailable; 987 } 988 989 void write(boolean force) { 990 if (force) { 991 writeInternal(); 992 return; 993 } 994 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 995 && !DEBUG_DEXOPT) { 996 return; 997 } 998 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 999 new Thread("PackageUsage_DiskWriter") { 1000 @Override 1001 public void run() { 1002 try { 1003 writeInternal(); 1004 } finally { 1005 mBackgroundWriteRunning.set(false); 1006 } 1007 } 1008 }.start(); 1009 } 1010 } 1011 1012 private void writeInternal() { 1013 synchronized (mPackages) { 1014 synchronized (mFileLock) { 1015 AtomicFile file = getFile(); 1016 FileOutputStream f = null; 1017 try { 1018 f = file.startWrite(); 1019 BufferedOutputStream out = new BufferedOutputStream(f); 1020 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1021 StringBuilder sb = new StringBuilder(); 1022 for (PackageParser.Package pkg : mPackages.values()) { 1023 if (pkg.mLastPackageUsageTimeInMills == 0) { 1024 continue; 1025 } 1026 sb.setLength(0); 1027 sb.append(pkg.packageName); 1028 sb.append(' '); 1029 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1030 sb.append('\n'); 1031 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1032 } 1033 out.flush(); 1034 file.finishWrite(f); 1035 } catch (IOException e) { 1036 if (f != null) { 1037 file.failWrite(f); 1038 } 1039 Log.e(TAG, "Failed to write package usage times", e); 1040 } 1041 } 1042 } 1043 mLastWritten.set(SystemClock.elapsedRealtime()); 1044 } 1045 1046 void readLP() { 1047 synchronized (mFileLock) { 1048 AtomicFile file = getFile(); 1049 BufferedInputStream in = null; 1050 try { 1051 in = new BufferedInputStream(file.openRead()); 1052 StringBuffer sb = new StringBuffer(); 1053 while (true) { 1054 String packageName = readToken(in, sb, ' '); 1055 if (packageName == null) { 1056 break; 1057 } 1058 String timeInMillisString = readToken(in, sb, '\n'); 1059 if (timeInMillisString == null) { 1060 throw new IOException("Failed to find last usage time for package " 1061 + packageName); 1062 } 1063 PackageParser.Package pkg = mPackages.get(packageName); 1064 if (pkg == null) { 1065 continue; 1066 } 1067 long timeInMillis; 1068 try { 1069 timeInMillis = Long.parseLong(timeInMillisString.toString()); 1070 } catch (NumberFormatException e) { 1071 throw new IOException("Failed to parse " + timeInMillisString 1072 + " as a long.", e); 1073 } 1074 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1075 } 1076 } catch (FileNotFoundException expected) { 1077 mIsHistoricalPackageUsageAvailable = false; 1078 } catch (IOException e) { 1079 Log.w(TAG, "Failed to read package usage times", e); 1080 } finally { 1081 IoUtils.closeQuietly(in); 1082 } 1083 } 1084 mLastWritten.set(SystemClock.elapsedRealtime()); 1085 } 1086 1087 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1088 throws IOException { 1089 sb.setLength(0); 1090 while (true) { 1091 int ch = in.read(); 1092 if (ch == -1) { 1093 if (sb.length() == 0) { 1094 return null; 1095 } 1096 throw new IOException("Unexpected EOF"); 1097 } 1098 if (ch == endOfToken) { 1099 return sb.toString(); 1100 } 1101 sb.append((char)ch); 1102 } 1103 } 1104 1105 private AtomicFile getFile() { 1106 File dataDir = Environment.getDataDirectory(); 1107 File systemDir = new File(dataDir, "system"); 1108 File fname = new File(systemDir, "package-usage.list"); 1109 return new AtomicFile(fname); 1110 } 1111 } 1112 1113 class PackageHandler extends Handler { 1114 private boolean mBound = false; 1115 final ArrayList<HandlerParams> mPendingInstalls = 1116 new ArrayList<HandlerParams>(); 1117 1118 private boolean connectToService() { 1119 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1120 " DefaultContainerService"); 1121 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1122 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1123 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1124 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1125 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1126 mBound = true; 1127 return true; 1128 } 1129 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1130 return false; 1131 } 1132 1133 private void disconnectService() { 1134 mContainerService = null; 1135 mBound = false; 1136 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1137 mContext.unbindService(mDefContainerConn); 1138 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1139 } 1140 1141 PackageHandler(Looper looper) { 1142 super(looper); 1143 } 1144 1145 public void handleMessage(Message msg) { 1146 try { 1147 doHandleMessage(msg); 1148 } finally { 1149 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1150 } 1151 } 1152 1153 void doHandleMessage(Message msg) { 1154 switch (msg.what) { 1155 case INIT_COPY: { 1156 HandlerParams params = (HandlerParams) msg.obj; 1157 int idx = mPendingInstalls.size(); 1158 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1159 // If a bind was already initiated we dont really 1160 // need to do anything. The pending install 1161 // will be processed later on. 1162 if (!mBound) { 1163 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1164 System.identityHashCode(mHandler)); 1165 // If this is the only one pending we might 1166 // have to bind to the service again. 1167 if (!connectToService()) { 1168 Slog.e(TAG, "Failed to bind to media container service"); 1169 params.serviceError(); 1170 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1171 System.identityHashCode(mHandler)); 1172 if (params.traceMethod != null) { 1173 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1174 params.traceCookie); 1175 } 1176 return; 1177 } else { 1178 // Once we bind to the service, the first 1179 // pending request will be processed. 1180 mPendingInstalls.add(idx, params); 1181 } 1182 } else { 1183 mPendingInstalls.add(idx, params); 1184 // Already bound to the service. Just make 1185 // sure we trigger off processing the first request. 1186 if (idx == 0) { 1187 mHandler.sendEmptyMessage(MCS_BOUND); 1188 } 1189 } 1190 break; 1191 } 1192 case MCS_BOUND: { 1193 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1194 if (msg.obj != null) { 1195 mContainerService = (IMediaContainerService) msg.obj; 1196 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1197 System.identityHashCode(mHandler)); 1198 } 1199 if (mContainerService == null) { 1200 if (!mBound) { 1201 // Something seriously wrong since we are not bound and we are not 1202 // waiting for connection. Bail out. 1203 Slog.e(TAG, "Cannot bind to media container service"); 1204 for (HandlerParams params : mPendingInstalls) { 1205 // Indicate service bind error 1206 params.serviceError(); 1207 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1208 System.identityHashCode(params)); 1209 if (params.traceMethod != null) { 1210 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1211 params.traceMethod, params.traceCookie); 1212 } 1213 return; 1214 } 1215 mPendingInstalls.clear(); 1216 } else { 1217 Slog.w(TAG, "Waiting to connect to media container service"); 1218 } 1219 } else if (mPendingInstalls.size() > 0) { 1220 HandlerParams params = mPendingInstalls.get(0); 1221 if (params != null) { 1222 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1223 System.identityHashCode(params)); 1224 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1225 if (params.startCopy()) { 1226 // We are done... look for more work or to 1227 // go idle. 1228 if (DEBUG_SD_INSTALL) Log.i(TAG, 1229 "Checking for more work or unbind..."); 1230 // Delete pending install 1231 if (mPendingInstalls.size() > 0) { 1232 mPendingInstalls.remove(0); 1233 } 1234 if (mPendingInstalls.size() == 0) { 1235 if (mBound) { 1236 if (DEBUG_SD_INSTALL) Log.i(TAG, 1237 "Posting delayed MCS_UNBIND"); 1238 removeMessages(MCS_UNBIND); 1239 Message ubmsg = obtainMessage(MCS_UNBIND); 1240 // Unbind after a little delay, to avoid 1241 // continual thrashing. 1242 sendMessageDelayed(ubmsg, 10000); 1243 } 1244 } else { 1245 // There are more pending requests in queue. 1246 // Just post MCS_BOUND message to trigger processing 1247 // of next pending install. 1248 if (DEBUG_SD_INSTALL) Log.i(TAG, 1249 "Posting MCS_BOUND for next work"); 1250 mHandler.sendEmptyMessage(MCS_BOUND); 1251 } 1252 } 1253 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1254 } 1255 } else { 1256 // Should never happen ideally. 1257 Slog.w(TAG, "Empty queue"); 1258 } 1259 break; 1260 } 1261 case MCS_RECONNECT: { 1262 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1263 if (mPendingInstalls.size() > 0) { 1264 if (mBound) { 1265 disconnectService(); 1266 } 1267 if (!connectToService()) { 1268 Slog.e(TAG, "Failed to bind to media container service"); 1269 for (HandlerParams params : mPendingInstalls) { 1270 // Indicate service bind error 1271 params.serviceError(); 1272 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1273 System.identityHashCode(params)); 1274 } 1275 mPendingInstalls.clear(); 1276 } 1277 } 1278 break; 1279 } 1280 case MCS_UNBIND: { 1281 // If there is no actual work left, then time to unbind. 1282 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1283 1284 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1285 if (mBound) { 1286 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1287 1288 disconnectService(); 1289 } 1290 } else if (mPendingInstalls.size() > 0) { 1291 // There are more pending requests in queue. 1292 // Just post MCS_BOUND message to trigger processing 1293 // of next pending install. 1294 mHandler.sendEmptyMessage(MCS_BOUND); 1295 } 1296 1297 break; 1298 } 1299 case MCS_GIVE_UP: { 1300 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1301 HandlerParams params = mPendingInstalls.remove(0); 1302 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1303 System.identityHashCode(params)); 1304 break; 1305 } 1306 case SEND_PENDING_BROADCAST: { 1307 String packages[]; 1308 ArrayList<String> components[]; 1309 int size = 0; 1310 int uids[]; 1311 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1312 synchronized (mPackages) { 1313 if (mPendingBroadcasts == null) { 1314 return; 1315 } 1316 size = mPendingBroadcasts.size(); 1317 if (size <= 0) { 1318 // Nothing to be done. Just return 1319 return; 1320 } 1321 packages = new String[size]; 1322 components = new ArrayList[size]; 1323 uids = new int[size]; 1324 int i = 0; // filling out the above arrays 1325 1326 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1327 int packageUserId = mPendingBroadcasts.userIdAt(n); 1328 Iterator<Map.Entry<String, ArrayList<String>>> it 1329 = mPendingBroadcasts.packagesForUserId(packageUserId) 1330 .entrySet().iterator(); 1331 while (it.hasNext() && i < size) { 1332 Map.Entry<String, ArrayList<String>> ent = it.next(); 1333 packages[i] = ent.getKey(); 1334 components[i] = ent.getValue(); 1335 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1336 uids[i] = (ps != null) 1337 ? UserHandle.getUid(packageUserId, ps.appId) 1338 : -1; 1339 i++; 1340 } 1341 } 1342 size = i; 1343 mPendingBroadcasts.clear(); 1344 } 1345 // Send broadcasts 1346 for (int i = 0; i < size; i++) { 1347 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1348 } 1349 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1350 break; 1351 } 1352 case START_CLEANING_PACKAGE: { 1353 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1354 final String packageName = (String)msg.obj; 1355 final int userId = msg.arg1; 1356 final boolean andCode = msg.arg2 != 0; 1357 synchronized (mPackages) { 1358 if (userId == UserHandle.USER_ALL) { 1359 int[] users = sUserManager.getUserIds(); 1360 for (int user : users) { 1361 mSettings.addPackageToCleanLPw( 1362 new PackageCleanItem(user, packageName, andCode)); 1363 } 1364 } else { 1365 mSettings.addPackageToCleanLPw( 1366 new PackageCleanItem(userId, packageName, andCode)); 1367 } 1368 } 1369 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1370 startCleaningPackages(); 1371 } break; 1372 case POST_INSTALL: { 1373 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1374 PostInstallData data = mRunningInstalls.get(msg.arg1); 1375 mRunningInstalls.delete(msg.arg1); 1376 boolean deleteOld = false; 1377 1378 if (data != null) { 1379 InstallArgs args = data.args; 1380 PackageInstalledInfo res = data.res; 1381 1382 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1383 final String packageName = res.pkg.applicationInfo.packageName; 1384 res.removedInfo.sendBroadcast(false, true, false); 1385 Bundle extras = new Bundle(1); 1386 extras.putInt(Intent.EXTRA_UID, res.uid); 1387 1388 // Now that we successfully installed the package, grant runtime 1389 // permissions if requested before broadcasting the install. 1390 if ((args.installFlags 1391 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) { 1392 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1393 args.installGrantPermissions); 1394 } 1395 1396 // Determine the set of users who are adding this 1397 // package for the first time vs. those who are seeing 1398 // an update. 1399 int[] firstUsers; 1400 int[] updateUsers = new int[0]; 1401 if (res.origUsers == null || res.origUsers.length == 0) { 1402 firstUsers = res.newUsers; 1403 } else { 1404 firstUsers = new int[0]; 1405 for (int i=0; i<res.newUsers.length; i++) { 1406 int user = res.newUsers[i]; 1407 boolean isNew = true; 1408 for (int j=0; j<res.origUsers.length; j++) { 1409 if (res.origUsers[j] == user) { 1410 isNew = false; 1411 break; 1412 } 1413 } 1414 if (isNew) { 1415 int[] newFirst = new int[firstUsers.length+1]; 1416 System.arraycopy(firstUsers, 0, newFirst, 0, 1417 firstUsers.length); 1418 newFirst[firstUsers.length] = user; 1419 firstUsers = newFirst; 1420 } else { 1421 int[] newUpdate = new int[updateUsers.length+1]; 1422 System.arraycopy(updateUsers, 0, newUpdate, 0, 1423 updateUsers.length); 1424 newUpdate[updateUsers.length] = user; 1425 updateUsers = newUpdate; 1426 } 1427 } 1428 } 1429 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1430 packageName, extras, 0, null, null, firstUsers); 1431 final boolean update = res.removedInfo.removedPackage != null; 1432 if (update) { 1433 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1434 } 1435 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1436 packageName, extras, 0, null, null, updateUsers); 1437 if (update) { 1438 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1439 packageName, extras, 0, null, null, updateUsers); 1440 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1441 null, null, 0, packageName, null, updateUsers); 1442 1443 // treat asec-hosted packages like removable media on upgrade 1444 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1445 if (DEBUG_INSTALL) { 1446 Slog.i(TAG, "upgrading pkg " + res.pkg 1447 + " is ASEC-hosted -> AVAILABLE"); 1448 } 1449 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1450 ArrayList<String> pkgList = new ArrayList<String>(1); 1451 pkgList.add(packageName); 1452 sendResourcesChangedBroadcast(true, true, 1453 pkgList,uidArray, null); 1454 } 1455 } 1456 if (res.removedInfo.args != null) { 1457 // Remove the replaced package's older resources safely now 1458 deleteOld = true; 1459 } 1460 1461 // If this app is a browser and it's newly-installed for some 1462 // users, clear any default-browser state in those users 1463 if (firstUsers.length > 0) { 1464 // the app's nature doesn't depend on the user, so we can just 1465 // check its browser nature in any user and generalize. 1466 if (packageIsBrowser(packageName, firstUsers[0])) { 1467 synchronized (mPackages) { 1468 for (int userId : firstUsers) { 1469 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1470 } 1471 } 1472 } 1473 } 1474 // Log current value of "unknown sources" setting 1475 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1476 getUnknownSourcesSettings()); 1477 } 1478 // Force a gc to clear up things 1479 Runtime.getRuntime().gc(); 1480 // We delete after a gc for applications on sdcard. 1481 if (deleteOld) { 1482 synchronized (mInstallLock) { 1483 res.removedInfo.args.doPostDeleteLI(true); 1484 } 1485 } 1486 if (args.observer != null) { 1487 try { 1488 Bundle extras = extrasForInstallResult(res); 1489 args.observer.onPackageInstalled(res.name, res.returnCode, 1490 res.returnMsg, extras); 1491 } catch (RemoteException e) { 1492 Slog.i(TAG, "Observer no longer exists."); 1493 } 1494 } 1495 if (args.traceMethod != null) { 1496 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1497 args.traceCookie); 1498 } 1499 return; 1500 } else { 1501 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1502 } 1503 1504 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1505 } break; 1506 case UPDATED_MEDIA_STATUS: { 1507 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1508 boolean reportStatus = msg.arg1 == 1; 1509 boolean doGc = msg.arg2 == 1; 1510 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1511 if (doGc) { 1512 // Force a gc to clear up stale containers. 1513 Runtime.getRuntime().gc(); 1514 } 1515 if (msg.obj != null) { 1516 @SuppressWarnings("unchecked") 1517 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1518 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1519 // Unload containers 1520 unloadAllContainers(args); 1521 } 1522 if (reportStatus) { 1523 try { 1524 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1525 PackageHelper.getMountService().finishMediaUpdate(); 1526 } catch (RemoteException e) { 1527 Log.e(TAG, "MountService not running?"); 1528 } 1529 } 1530 } break; 1531 case WRITE_SETTINGS: { 1532 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1533 synchronized (mPackages) { 1534 removeMessages(WRITE_SETTINGS); 1535 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1536 mSettings.writeLPr(); 1537 mDirtyUsers.clear(); 1538 } 1539 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1540 } break; 1541 case WRITE_PACKAGE_RESTRICTIONS: { 1542 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1543 synchronized (mPackages) { 1544 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1545 for (int userId : mDirtyUsers) { 1546 mSettings.writePackageRestrictionsLPr(userId); 1547 } 1548 mDirtyUsers.clear(); 1549 } 1550 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1551 } break; 1552 case CHECK_PENDING_VERIFICATION: { 1553 final int verificationId = msg.arg1; 1554 final PackageVerificationState state = mPendingVerification.get(verificationId); 1555 1556 if ((state != null) && !state.timeoutExtended()) { 1557 final InstallArgs args = state.getInstallArgs(); 1558 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1559 1560 Slog.i(TAG, "Verification timed out for " + originUri); 1561 mPendingVerification.remove(verificationId); 1562 1563 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1564 1565 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1566 Slog.i(TAG, "Continuing with installation of " + originUri); 1567 state.setVerifierResponse(Binder.getCallingUid(), 1568 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1569 broadcastPackageVerified(verificationId, originUri, 1570 PackageManager.VERIFICATION_ALLOW, 1571 state.getInstallArgs().getUser()); 1572 try { 1573 ret = args.copyApk(mContainerService, true); 1574 } catch (RemoteException e) { 1575 Slog.e(TAG, "Could not contact the ContainerService"); 1576 } 1577 } else { 1578 broadcastPackageVerified(verificationId, originUri, 1579 PackageManager.VERIFICATION_REJECT, 1580 state.getInstallArgs().getUser()); 1581 } 1582 1583 Trace.asyncTraceEnd( 1584 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1585 1586 processPendingInstall(args, ret); 1587 mHandler.sendEmptyMessage(MCS_UNBIND); 1588 } 1589 break; 1590 } 1591 case PACKAGE_VERIFIED: { 1592 final int verificationId = msg.arg1; 1593 1594 final PackageVerificationState state = mPendingVerification.get(verificationId); 1595 if (state == null) { 1596 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1597 break; 1598 } 1599 1600 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1601 1602 state.setVerifierResponse(response.callerUid, response.code); 1603 1604 if (state.isVerificationComplete()) { 1605 mPendingVerification.remove(verificationId); 1606 1607 final InstallArgs args = state.getInstallArgs(); 1608 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1609 1610 int ret; 1611 if (state.isInstallAllowed()) { 1612 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1613 broadcastPackageVerified(verificationId, originUri, 1614 response.code, state.getInstallArgs().getUser()); 1615 try { 1616 ret = args.copyApk(mContainerService, true); 1617 } catch (RemoteException e) { 1618 Slog.e(TAG, "Could not contact the ContainerService"); 1619 } 1620 } else { 1621 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1622 } 1623 1624 Trace.asyncTraceEnd( 1625 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1626 1627 processPendingInstall(args, ret); 1628 mHandler.sendEmptyMessage(MCS_UNBIND); 1629 } 1630 1631 break; 1632 } 1633 case START_INTENT_FILTER_VERIFICATIONS: { 1634 IFVerificationParams params = (IFVerificationParams) msg.obj; 1635 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1636 params.replacing, params.pkg); 1637 break; 1638 } 1639 case INTENT_FILTER_VERIFIED: { 1640 final int verificationId = msg.arg1; 1641 1642 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1643 verificationId); 1644 if (state == null) { 1645 Slog.w(TAG, "Invalid IntentFilter verification token " 1646 + verificationId + " received"); 1647 break; 1648 } 1649 1650 final int userId = state.getUserId(); 1651 1652 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1653 "Processing IntentFilter verification with token:" 1654 + verificationId + " and userId:" + userId); 1655 1656 final IntentFilterVerificationResponse response = 1657 (IntentFilterVerificationResponse) msg.obj; 1658 1659 state.setVerifierResponse(response.callerUid, response.code); 1660 1661 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1662 "IntentFilter verification with token:" + verificationId 1663 + " and userId:" + userId 1664 + " is settings verifier response with response code:" 1665 + response.code); 1666 1667 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1668 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1669 + response.getFailedDomainsString()); 1670 } 1671 1672 if (state.isVerificationComplete()) { 1673 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1674 } else { 1675 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1676 "IntentFilter verification with token:" + verificationId 1677 + " was not said to be complete"); 1678 } 1679 1680 break; 1681 } 1682 } 1683 } 1684 } 1685 1686 private StorageEventListener mStorageListener = new StorageEventListener() { 1687 @Override 1688 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1689 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1690 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1691 final String volumeUuid = vol.getFsUuid(); 1692 1693 // Clean up any users or apps that were removed or recreated 1694 // while this volume was missing 1695 reconcileUsers(volumeUuid); 1696 reconcileApps(volumeUuid); 1697 1698 // Clean up any install sessions that expired or were 1699 // cancelled while this volume was missing 1700 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1701 1702 loadPrivatePackages(vol); 1703 1704 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1705 unloadPrivatePackages(vol); 1706 } 1707 } 1708 1709 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1710 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1711 updateExternalMediaStatus(true, false); 1712 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1713 updateExternalMediaStatus(false, false); 1714 } 1715 } 1716 } 1717 1718 @Override 1719 public void onVolumeForgotten(String fsUuid) { 1720 if (TextUtils.isEmpty(fsUuid)) { 1721 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1722 return; 1723 } 1724 1725 // Remove any apps installed on the forgotten volume 1726 synchronized (mPackages) { 1727 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1728 for (PackageSetting ps : packages) { 1729 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1730 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1731 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1732 } 1733 1734 mSettings.onVolumeForgotten(fsUuid); 1735 mSettings.writeLPr(); 1736 } 1737 } 1738 }; 1739 1740 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1741 String[] grantedPermissions) { 1742 if (userId >= UserHandle.USER_SYSTEM) { 1743 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1744 } else if (userId == UserHandle.USER_ALL) { 1745 final int[] userIds; 1746 synchronized (mPackages) { 1747 userIds = UserManagerService.getInstance().getUserIds(); 1748 } 1749 for (int someUserId : userIds) { 1750 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1751 } 1752 } 1753 1754 // We could have touched GID membership, so flush out packages.list 1755 synchronized (mPackages) { 1756 mSettings.writePackageListLPr(); 1757 } 1758 } 1759 1760 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1761 String[] grantedPermissions) { 1762 SettingBase sb = (SettingBase) pkg.mExtras; 1763 if (sb == null) { 1764 return; 1765 } 1766 1767 PermissionsState permissionsState = sb.getPermissionsState(); 1768 1769 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1770 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1771 1772 synchronized (mPackages) { 1773 for (String permission : pkg.requestedPermissions) { 1774 BasePermission bp = mSettings.mPermissions.get(permission); 1775 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1776 && (grantedPermissions == null 1777 || ArrayUtils.contains(grantedPermissions, permission))) { 1778 final int flags = permissionsState.getPermissionFlags(permission, userId); 1779 // Installer cannot change immutable permissions. 1780 if ((flags & immutableFlags) == 0) { 1781 grantRuntimePermission(pkg.packageName, permission, userId); 1782 } 1783 } 1784 } 1785 } 1786 } 1787 1788 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1789 Bundle extras = null; 1790 switch (res.returnCode) { 1791 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1792 extras = new Bundle(); 1793 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1794 res.origPermission); 1795 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1796 res.origPackage); 1797 break; 1798 } 1799 case PackageManager.INSTALL_SUCCEEDED: { 1800 extras = new Bundle(); 1801 extras.putBoolean(Intent.EXTRA_REPLACING, 1802 res.removedInfo != null && res.removedInfo.removedPackage != null); 1803 break; 1804 } 1805 } 1806 return extras; 1807 } 1808 1809 void scheduleWriteSettingsLocked() { 1810 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1811 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1812 } 1813 } 1814 1815 void scheduleWritePackageRestrictionsLocked(int userId) { 1816 if (!sUserManager.exists(userId)) return; 1817 mDirtyUsers.add(userId); 1818 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1819 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1820 } 1821 } 1822 1823 public static PackageManagerService main(Context context, Installer installer, 1824 boolean factoryTest, boolean onlyCore) { 1825 PackageManagerService m = new PackageManagerService(context, installer, 1826 factoryTest, onlyCore); 1827 m.enableSystemUserApps(); 1828 ServiceManager.addService("package", m); 1829 return m; 1830 } 1831 1832 private void enableSystemUserApps() { 1833 if (!UserManager.isSplitSystemUser()) { 1834 return; 1835 } 1836 // For system user, enable apps based on the following conditions: 1837 // - app is whitelisted or belong to one of these groups: 1838 // -- system app which has no launcher icons 1839 // -- system app which has INTERACT_ACROSS_USERS permission 1840 // -- system IME app 1841 // - app is not in the blacklist 1842 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1843 Set<String> enableApps = new ArraySet<>(); 1844 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1845 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1846 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1847 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1848 enableApps.addAll(wlApps); 1849 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1850 enableApps.removeAll(blApps); 1851 1852 List<String> systemApps = queryHelper.queryApps(0, /* systemAppsOnly */ true, 1853 UserHandle.SYSTEM); 1854 final int systemAppsSize = systemApps.size(); 1855 synchronized (mPackages) { 1856 for (int i = 0; i < systemAppsSize; i++) { 1857 String pName = systemApps.get(i); 1858 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1859 // Should not happen, but we shouldn't be failing if it does 1860 if (pkgSetting == null) { 1861 continue; 1862 } 1863 boolean installed = enableApps.contains(pName); 1864 pkgSetting.setInstalled(installed, UserHandle.USER_SYSTEM); 1865 } 1866 } 1867 } 1868 1869 static String[] splitString(String str, char sep) { 1870 int count = 1; 1871 int i = 0; 1872 while ((i=str.indexOf(sep, i)) >= 0) { 1873 count++; 1874 i++; 1875 } 1876 1877 String[] res = new String[count]; 1878 i=0; 1879 count = 0; 1880 int lastI=0; 1881 while ((i=str.indexOf(sep, i)) >= 0) { 1882 res[count] = str.substring(lastI, i); 1883 count++; 1884 i++; 1885 lastI = i; 1886 } 1887 res[count] = str.substring(lastI, str.length()); 1888 return res; 1889 } 1890 1891 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1892 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1893 Context.DISPLAY_SERVICE); 1894 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1895 } 1896 1897 public PackageManagerService(Context context, Installer installer, 1898 boolean factoryTest, boolean onlyCore) { 1899 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1900 SystemClock.uptimeMillis()); 1901 1902 if (mSdkVersion <= 0) { 1903 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1904 } 1905 1906 mContext = context; 1907 mFactoryTest = factoryTest; 1908 mOnlyCore = onlyCore; 1909 mMetrics = new DisplayMetrics(); 1910 mSettings = new Settings(mPackages); 1911 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1912 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1913 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1914 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1915 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1916 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1917 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1918 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1919 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1920 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1921 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1922 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1923 1924 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1925 if (separateProcesses != null && separateProcesses.length() > 0) { 1926 if ("*".equals(separateProcesses)) { 1927 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1928 mSeparateProcesses = null; 1929 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1930 } else { 1931 mDefParseFlags = 0; 1932 mSeparateProcesses = separateProcesses.split(","); 1933 Slog.w(TAG, "Running with debug.separate_processes: " 1934 + separateProcesses); 1935 } 1936 } else { 1937 mDefParseFlags = 0; 1938 mSeparateProcesses = null; 1939 } 1940 1941 mInstaller = installer; 1942 mPackageDexOptimizer = new PackageDexOptimizer(this); 1943 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1944 1945 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1946 FgThread.get().getLooper()); 1947 1948 getDefaultDisplayMetrics(context, mMetrics); 1949 1950 SystemConfig systemConfig = SystemConfig.getInstance(); 1951 mGlobalGids = systemConfig.getGlobalGids(); 1952 mSystemPermissions = systemConfig.getSystemPermissions(); 1953 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1954 1955 synchronized (mInstallLock) { 1956 // writer 1957 synchronized (mPackages) { 1958 mHandlerThread = new ServiceThread(TAG, 1959 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1960 mHandlerThread.start(); 1961 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1962 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1963 1964 File dataDir = Environment.getDataDirectory(); 1965 mAppDataDir = new File(dataDir, "data"); 1966 mAppInstallDir = new File(dataDir, "app"); 1967 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1968 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1969 mUserAppDataDir = new File(dataDir, "user"); 1970 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1971 1972 sUserManager = new UserManagerService(context, this, mPackages); 1973 1974 // Propagate permission configuration in to package manager. 1975 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1976 = systemConfig.getPermissions(); 1977 for (int i=0; i<permConfig.size(); i++) { 1978 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1979 BasePermission bp = mSettings.mPermissions.get(perm.name); 1980 if (bp == null) { 1981 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1982 mSettings.mPermissions.put(perm.name, bp); 1983 } 1984 if (perm.gids != null) { 1985 bp.setGids(perm.gids, perm.perUser); 1986 } 1987 } 1988 1989 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1990 for (int i=0; i<libConfig.size(); i++) { 1991 mSharedLibraries.put(libConfig.keyAt(i), 1992 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1993 } 1994 1995 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1996 1997 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 1998 1999 String customResolverActivity = Resources.getSystem().getString( 2000 R.string.config_customResolverActivity); 2001 if (TextUtils.isEmpty(customResolverActivity)) { 2002 customResolverActivity = null; 2003 } else { 2004 mCustomResolverComponentName = ComponentName.unflattenFromString( 2005 customResolverActivity); 2006 } 2007 2008 long startTime = SystemClock.uptimeMillis(); 2009 2010 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2011 startTime); 2012 2013 // Set flag to monitor and not change apk file paths when 2014 // scanning install directories. 2015 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2016 2017 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2018 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2019 2020 if (bootClassPath == null) { 2021 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2022 } 2023 2024 if (systemServerClassPath == null) { 2025 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2026 } 2027 2028 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2029 final String[] dexCodeInstructionSets = 2030 getDexCodeInstructionSets( 2031 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2032 2033 /** 2034 * Ensure all external libraries have had dexopt run on them. 2035 */ 2036 if (mSharedLibraries.size() > 0) { 2037 // NOTE: For now, we're compiling these system "shared libraries" 2038 // (and framework jars) into all available architectures. It's possible 2039 // to compile them only when we come across an app that uses them (there's 2040 // already logic for that in scanPackageLI) but that adds some complexity. 2041 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2042 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2043 final String lib = libEntry.path; 2044 if (lib == null) { 2045 continue; 2046 } 2047 2048 try { 2049 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2050 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2051 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2052 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/); 2053 } 2054 } catch (FileNotFoundException e) { 2055 Slog.w(TAG, "Library not found: " + lib); 2056 } catch (IOException e) { 2057 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2058 + e.getMessage()); 2059 } 2060 } 2061 } 2062 } 2063 2064 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2065 2066 final VersionInfo ver = mSettings.getInternalVersion(); 2067 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2068 // when upgrading from pre-M, promote system app permissions from install to runtime 2069 mPromoteSystemApps = 2070 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2071 2072 // save off the names of pre-existing system packages prior to scanning; we don't 2073 // want to automatically grant runtime permissions for new system apps 2074 if (mPromoteSystemApps) { 2075 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2076 while (pkgSettingIter.hasNext()) { 2077 PackageSetting ps = pkgSettingIter.next(); 2078 if (isSystemApp(ps)) { 2079 mExistingSystemPackages.add(ps.name); 2080 } 2081 } 2082 } 2083 2084 // Collect vendor overlay packages. 2085 // (Do this before scanning any apps.) 2086 // For security and version matching reason, only consider 2087 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2088 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2089 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2090 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2091 2092 // Find base frameworks (resource packages without code). 2093 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2094 | PackageParser.PARSE_IS_SYSTEM_DIR 2095 | PackageParser.PARSE_IS_PRIVILEGED, 2096 scanFlags | SCAN_NO_DEX, 0); 2097 2098 // Collected privileged system packages. 2099 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2100 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2101 | PackageParser.PARSE_IS_SYSTEM_DIR 2102 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2103 2104 // Collect ordinary system packages. 2105 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2106 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2107 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2108 2109 // Collect all vendor packages. 2110 File vendorAppDir = new File("/vendor/app"); 2111 try { 2112 vendorAppDir = vendorAppDir.getCanonicalFile(); 2113 } catch (IOException e) { 2114 // failed to look up canonical path, continue with original one 2115 } 2116 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2117 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2118 2119 // Collect all OEM packages. 2120 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2121 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2122 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2123 2124 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2125 mInstaller.moveFiles(); 2126 2127 // Prune any system packages that no longer exist. 2128 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2129 if (!mOnlyCore) { 2130 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2131 while (psit.hasNext()) { 2132 PackageSetting ps = psit.next(); 2133 2134 /* 2135 * If this is not a system app, it can't be a 2136 * disable system app. 2137 */ 2138 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2139 continue; 2140 } 2141 2142 /* 2143 * If the package is scanned, it's not erased. 2144 */ 2145 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2146 if (scannedPkg != null) { 2147 /* 2148 * If the system app is both scanned and in the 2149 * disabled packages list, then it must have been 2150 * added via OTA. Remove it from the currently 2151 * scanned package so the previously user-installed 2152 * application can be scanned. 2153 */ 2154 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2155 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2156 + ps.name + "; removing system app. Last known codePath=" 2157 + ps.codePathString + ", installStatus=" + ps.installStatus 2158 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2159 + scannedPkg.mVersionCode); 2160 removePackageLI(ps, true); 2161 mExpectingBetter.put(ps.name, ps.codePath); 2162 } 2163 2164 continue; 2165 } 2166 2167 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2168 psit.remove(); 2169 logCriticalInfo(Log.WARN, "System package " + ps.name 2170 + " no longer exists; wiping its data"); 2171 removeDataDirsLI(null, ps.name); 2172 } else { 2173 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2174 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2175 possiblyDeletedUpdatedSystemApps.add(ps.name); 2176 } 2177 } 2178 } 2179 } 2180 2181 //look for any incomplete package installations 2182 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2183 //clean up list 2184 for(int i = 0; i < deletePkgsList.size(); i++) { 2185 //clean up here 2186 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2187 } 2188 //delete tmp files 2189 deleteTempPackageFiles(); 2190 2191 // Remove any shared userIDs that have no associated packages 2192 mSettings.pruneSharedUsersLPw(); 2193 2194 if (!mOnlyCore) { 2195 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2196 SystemClock.uptimeMillis()); 2197 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2198 2199 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2200 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2201 2202 /** 2203 * Remove disable package settings for any updated system 2204 * apps that were removed via an OTA. If they're not a 2205 * previously-updated app, remove them completely. 2206 * Otherwise, just revoke their system-level permissions. 2207 */ 2208 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2209 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2210 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2211 2212 String msg; 2213 if (deletedPkg == null) { 2214 msg = "Updated system package " + deletedAppName 2215 + " no longer exists; wiping its data"; 2216 removeDataDirsLI(null, deletedAppName); 2217 } else { 2218 msg = "Updated system app + " + deletedAppName 2219 + " no longer present; removing system privileges for " 2220 + deletedAppName; 2221 2222 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2223 2224 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2225 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2226 } 2227 logCriticalInfo(Log.WARN, msg); 2228 } 2229 2230 /** 2231 * Make sure all system apps that we expected to appear on 2232 * the userdata partition actually showed up. If they never 2233 * appeared, crawl back and revive the system version. 2234 */ 2235 for (int i = 0; i < mExpectingBetter.size(); i++) { 2236 final String packageName = mExpectingBetter.keyAt(i); 2237 if (!mPackages.containsKey(packageName)) { 2238 final File scanFile = mExpectingBetter.valueAt(i); 2239 2240 logCriticalInfo(Log.WARN, "Expected better " + packageName 2241 + " but never showed up; reverting to system"); 2242 2243 final int reparseFlags; 2244 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2245 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2246 | PackageParser.PARSE_IS_SYSTEM_DIR 2247 | PackageParser.PARSE_IS_PRIVILEGED; 2248 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2249 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2250 | PackageParser.PARSE_IS_SYSTEM_DIR; 2251 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2252 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2253 | PackageParser.PARSE_IS_SYSTEM_DIR; 2254 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2255 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2256 | PackageParser.PARSE_IS_SYSTEM_DIR; 2257 } else { 2258 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2259 continue; 2260 } 2261 2262 mSettings.enableSystemPackageLPw(packageName); 2263 2264 try { 2265 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2266 } catch (PackageManagerException e) { 2267 Slog.e(TAG, "Failed to parse original system package: " 2268 + e.getMessage()); 2269 } 2270 } 2271 } 2272 } 2273 mExpectingBetter.clear(); 2274 2275 // Now that we know all of the shared libraries, update all clients to have 2276 // the correct library paths. 2277 updateAllSharedLibrariesLPw(); 2278 2279 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2280 // NOTE: We ignore potential failures here during a system scan (like 2281 // the rest of the commands above) because there's precious little we 2282 // can do about it. A settings error is reported, though. 2283 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2284 false /* boot complete */); 2285 } 2286 2287 // Now that we know all the packages we are keeping, 2288 // read and update their last usage times. 2289 mPackageUsage.readLP(); 2290 2291 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2292 SystemClock.uptimeMillis()); 2293 Slog.i(TAG, "Time to scan packages: " 2294 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2295 + " seconds"); 2296 2297 // If the platform SDK has changed since the last time we booted, 2298 // we need to re-grant app permission to catch any new ones that 2299 // appear. This is really a hack, and means that apps can in some 2300 // cases get permissions that the user didn't initially explicitly 2301 // allow... it would be nice to have some better way to handle 2302 // this situation. 2303 int updateFlags = UPDATE_PERMISSIONS_ALL; 2304 if (ver.sdkVersion != mSdkVersion) { 2305 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2306 + mSdkVersion + "; regranting permissions for internal storage"); 2307 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2308 } 2309 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2310 ver.sdkVersion = mSdkVersion; 2311 2312 // If this is the first boot or an update from pre-M, and it is a normal 2313 // boot, then we need to initialize the default preferred apps across 2314 // all defined users. 2315 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2316 for (UserInfo user : sUserManager.getUsers(true)) { 2317 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2318 applyFactoryDefaultBrowserLPw(user.id); 2319 primeDomainVerificationsLPw(user.id); 2320 } 2321 } 2322 2323 // If this is first boot after an OTA, and a normal boot, then 2324 // we need to clear code cache directories. 2325 if (mIsUpgrade && !onlyCore) { 2326 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2327 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2328 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2329 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2330 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2331 } 2332 } 2333 ver.fingerprint = Build.FINGERPRINT; 2334 } 2335 2336 checkDefaultBrowser(); 2337 2338 // clear only after permissions and other defaults have been updated 2339 mExistingSystemPackages.clear(); 2340 mPromoteSystemApps = false; 2341 2342 // All the changes are done during package scanning. 2343 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2344 2345 // can downgrade to reader 2346 mSettings.writeLPr(); 2347 2348 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2349 SystemClock.uptimeMillis()); 2350 2351 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2352 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2353 2354 mInstallerService = new PackageInstallerService(context, this); 2355 2356 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2357 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2358 mIntentFilterVerifierComponent); 2359 2360 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2361 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2362 // both the installer and resolver must be present to enable ephemeral 2363 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2364 if (DEBUG_EPHEMERAL) { 2365 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2366 + " installer:" + ephemeralInstallerComponent); 2367 } 2368 mEphemeralResolverComponent = ephemeralResolverComponent; 2369 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2370 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2371 mEphemeralResolverConnection = 2372 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2373 } else { 2374 if (DEBUG_EPHEMERAL) { 2375 final String missingComponent = 2376 (ephemeralResolverComponent == null) 2377 ? (ephemeralInstallerComponent == null) 2378 ? "resolver and installer" 2379 : "resolver" 2380 : "installer"; 2381 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2382 } 2383 mEphemeralResolverComponent = null; 2384 mEphemeralInstallerComponent = null; 2385 mEphemeralResolverConnection = null; 2386 } 2387 } // synchronized (mPackages) 2388 } // synchronized (mInstallLock) 2389 2390 // Now after opening every single application zip, make sure they 2391 // are all flushed. Not really needed, but keeps things nice and 2392 // tidy. 2393 Runtime.getRuntime().gc(); 2394 2395 // The initial scanning above does many calls into installd while 2396 // holding the mPackages lock, but we're mostly interested in yelling 2397 // once we have a booted system. 2398 mInstaller.setWarnIfHeld(mPackages); 2399 2400 // Expose private service for system components to use. 2401 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2402 } 2403 2404 @Override 2405 public boolean isFirstBoot() { 2406 return !mRestoredSettings; 2407 } 2408 2409 @Override 2410 public boolean isOnlyCoreApps() { 2411 return mOnlyCore; 2412 } 2413 2414 @Override 2415 public boolean isUpgrade() { 2416 return mIsUpgrade; 2417 } 2418 2419 private String getRequiredVerifierLPr() { 2420 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2421 // We only care about verifier that's installed under system user. 2422 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2423 PackageManager.GET_DISABLED_COMPONENTS, UserHandle.USER_SYSTEM); 2424 2425 String requiredVerifier = null; 2426 2427 final int N = receivers.size(); 2428 for (int i = 0; i < N; i++) { 2429 final ResolveInfo info = receivers.get(i); 2430 2431 if (info.activityInfo == null) { 2432 continue; 2433 } 2434 2435 final String packageName = info.activityInfo.packageName; 2436 2437 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2438 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2439 continue; 2440 } 2441 2442 if (requiredVerifier != null) { 2443 throw new RuntimeException("There can be only one required verifier"); 2444 } 2445 2446 requiredVerifier = packageName; 2447 } 2448 2449 return requiredVerifier; 2450 } 2451 2452 private String getRequiredInstallerLPr() { 2453 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2454 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2455 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2456 2457 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2458 PACKAGE_MIME_TYPE, 0, UserHandle.USER_SYSTEM); 2459 2460 String requiredInstaller = null; 2461 2462 final int N = installers.size(); 2463 for (int i = 0; i < N; i++) { 2464 final ResolveInfo info = installers.get(i); 2465 final String packageName = info.activityInfo.packageName; 2466 2467 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2468 continue; 2469 } 2470 2471 if (requiredInstaller != null) { 2472 throw new RuntimeException("There must be one required installer"); 2473 } 2474 2475 requiredInstaller = packageName; 2476 } 2477 2478 if (requiredInstaller == null) { 2479 throw new RuntimeException("There must be one required installer"); 2480 } 2481 2482 return requiredInstaller; 2483 } 2484 2485 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2486 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2487 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2488 PackageManager.GET_DISABLED_COMPONENTS, UserHandle.USER_SYSTEM); 2489 2490 ComponentName verifierComponentName = null; 2491 2492 int priority = -1000; 2493 final int N = receivers.size(); 2494 for (int i = 0; i < N; i++) { 2495 final ResolveInfo info = receivers.get(i); 2496 2497 if (info.activityInfo == null) { 2498 continue; 2499 } 2500 2501 final String packageName = info.activityInfo.packageName; 2502 2503 final PackageSetting ps = mSettings.mPackages.get(packageName); 2504 if (ps == null) { 2505 continue; 2506 } 2507 2508 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2509 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2510 continue; 2511 } 2512 2513 // Select the IntentFilterVerifier with the highest priority 2514 if (priority < info.priority) { 2515 priority = info.priority; 2516 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2517 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: " 2518 + verifierComponentName + " with priority: " + info.priority); 2519 } 2520 } 2521 2522 return verifierComponentName; 2523 } 2524 2525 private ComponentName getEphemeralResolverLPr() { 2526 final String[] packageArray = 2527 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2528 if (packageArray.length == 0) { 2529 if (DEBUG_EPHEMERAL) { 2530 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2531 } 2532 return null; 2533 } 2534 2535 Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2536 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, 2537 null /*resolvedType*/, 0 /*flags*/, UserHandle.USER_SYSTEM); 2538 2539 final int N = resolvers.size(); 2540 if (N == 0) { 2541 if (DEBUG_EPHEMERAL) { 2542 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2543 } 2544 return null; 2545 } 2546 2547 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2548 for (int i = 0; i < N; i++) { 2549 final ResolveInfo info = resolvers.get(i); 2550 2551 if (info.serviceInfo == null) { 2552 continue; 2553 } 2554 2555 final String packageName = info.serviceInfo.packageName; 2556 if (!possiblePackages.contains(packageName)) { 2557 if (DEBUG_EPHEMERAL) { 2558 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2559 + " pkg: " + packageName + ", info:" + info); 2560 } 2561 continue; 2562 } 2563 2564 if (DEBUG_EPHEMERAL) { 2565 Slog.v(TAG, "Ephemeral resolver found;" 2566 + " pkg: " + packageName + ", info:" + info); 2567 } 2568 return new ComponentName(packageName, info.serviceInfo.name); 2569 } 2570 if (DEBUG_EPHEMERAL) { 2571 Slog.v(TAG, "Ephemeral resolver NOT found"); 2572 } 2573 return null; 2574 } 2575 2576 private ComponentName getEphemeralInstallerLPr() { 2577 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2578 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2579 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2580 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2581 PACKAGE_MIME_TYPE, 0 /*flags*/, 0 /*userId*/); 2582 2583 ComponentName ephemeralInstaller = null; 2584 2585 final int N = installers.size(); 2586 for (int i = 0; i < N; i++) { 2587 final ResolveInfo info = installers.get(i); 2588 final String packageName = info.activityInfo.packageName; 2589 2590 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2591 if (DEBUG_EPHEMERAL) { 2592 Slog.d(TAG, "Ephemeral installer is not system app;" 2593 + " pkg: " + packageName + ", info:" + info); 2594 } 2595 continue; 2596 } 2597 2598 if (ephemeralInstaller != null) { 2599 throw new RuntimeException("There must only be one ephemeral installer"); 2600 } 2601 2602 ephemeralInstaller = new ComponentName(packageName, info.activityInfo.name); 2603 } 2604 2605 return ephemeralInstaller; 2606 } 2607 2608 private void primeDomainVerificationsLPw(int userId) { 2609 if (DEBUG_DOMAIN_VERIFICATION) { 2610 Slog.d(TAG, "Priming domain verifications in user " + userId); 2611 } 2612 2613 SystemConfig systemConfig = SystemConfig.getInstance(); 2614 ArraySet<String> packages = systemConfig.getLinkedApps(); 2615 ArraySet<String> domains = new ArraySet<String>(); 2616 2617 for (String packageName : packages) { 2618 PackageParser.Package pkg = mPackages.get(packageName); 2619 if (pkg != null) { 2620 if (!pkg.isSystemApp()) { 2621 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2622 continue; 2623 } 2624 2625 domains.clear(); 2626 for (PackageParser.Activity a : pkg.activities) { 2627 for (ActivityIntentInfo filter : a.intents) { 2628 if (hasValidDomains(filter)) { 2629 domains.addAll(filter.getHostsList()); 2630 } 2631 } 2632 } 2633 2634 if (domains.size() > 0) { 2635 if (DEBUG_DOMAIN_VERIFICATION) { 2636 Slog.v(TAG, " + " + packageName); 2637 } 2638 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2639 // state w.r.t. the formal app-linkage "no verification attempted" state; 2640 // and then 'always' in the per-user state actually used for intent resolution. 2641 final IntentFilterVerificationInfo ivi; 2642 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2643 new ArrayList<String>(domains)); 2644 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2645 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2646 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2647 } else { 2648 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2649 + "' does not handle web links"); 2650 } 2651 } else { 2652 Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>"); 2653 } 2654 } 2655 2656 scheduleWritePackageRestrictionsLocked(userId); 2657 scheduleWriteSettingsLocked(); 2658 } 2659 2660 private void applyFactoryDefaultBrowserLPw(int userId) { 2661 // The default browser app's package name is stored in a string resource, 2662 // with a product-specific overlay used for vendor customization. 2663 String browserPkg = mContext.getResources().getString( 2664 com.android.internal.R.string.default_browser); 2665 if (!TextUtils.isEmpty(browserPkg)) { 2666 // non-empty string => required to be a known package 2667 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2668 if (ps == null) { 2669 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2670 browserPkg = null; 2671 } else { 2672 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2673 } 2674 } 2675 2676 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2677 // default. If there's more than one, just leave everything alone. 2678 if (browserPkg == null) { 2679 calculateDefaultBrowserLPw(userId); 2680 } 2681 } 2682 2683 private void calculateDefaultBrowserLPw(int userId) { 2684 List<String> allBrowsers = resolveAllBrowserApps(userId); 2685 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2686 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2687 } 2688 2689 private List<String> resolveAllBrowserApps(int userId) { 2690 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2691 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2692 PackageManager.MATCH_ALL, userId); 2693 2694 final int count = list.size(); 2695 List<String> result = new ArrayList<String>(count); 2696 for (int i=0; i<count; i++) { 2697 ResolveInfo info = list.get(i); 2698 if (info.activityInfo == null 2699 || !info.handleAllWebDataURI 2700 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2701 || result.contains(info.activityInfo.packageName)) { 2702 continue; 2703 } 2704 result.add(info.activityInfo.packageName); 2705 } 2706 2707 return result; 2708 } 2709 2710 private boolean packageIsBrowser(String packageName, int userId) { 2711 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2712 PackageManager.MATCH_ALL, userId); 2713 final int N = list.size(); 2714 for (int i = 0; i < N; i++) { 2715 ResolveInfo info = list.get(i); 2716 if (packageName.equals(info.activityInfo.packageName)) { 2717 return true; 2718 } 2719 } 2720 return false; 2721 } 2722 2723 private void checkDefaultBrowser() { 2724 final int myUserId = UserHandle.myUserId(); 2725 final String packageName = getDefaultBrowserPackageName(myUserId); 2726 if (packageName != null) { 2727 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2728 if (info == null) { 2729 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2730 synchronized (mPackages) { 2731 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2732 } 2733 } 2734 } 2735 } 2736 2737 @Override 2738 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2739 throws RemoteException { 2740 try { 2741 return super.onTransact(code, data, reply, flags); 2742 } catch (RuntimeException e) { 2743 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2744 Slog.wtf(TAG, "Package Manager Crash", e); 2745 } 2746 throw e; 2747 } 2748 } 2749 2750 void cleanupInstallFailedPackage(PackageSetting ps) { 2751 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2752 2753 removeDataDirsLI(ps.volumeUuid, ps.name); 2754 if (ps.codePath != null) { 2755 if (ps.codePath.isDirectory()) { 2756 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2757 } else { 2758 ps.codePath.delete(); 2759 } 2760 } 2761 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2762 if (ps.resourcePath.isDirectory()) { 2763 FileUtils.deleteContents(ps.resourcePath); 2764 } 2765 ps.resourcePath.delete(); 2766 } 2767 mSettings.removePackageLPw(ps.name); 2768 } 2769 2770 static int[] appendInts(int[] cur, int[] add) { 2771 if (add == null) return cur; 2772 if (cur == null) return add; 2773 final int N = add.length; 2774 for (int i=0; i<N; i++) { 2775 cur = appendInt(cur, add[i]); 2776 } 2777 return cur; 2778 } 2779 2780 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2781 if (!sUserManager.exists(userId)) return null; 2782 final PackageSetting ps = (PackageSetting) p.mExtras; 2783 if (ps == null) { 2784 return null; 2785 } 2786 2787 final PermissionsState permissionsState = ps.getPermissionsState(); 2788 2789 final int[] gids = permissionsState.computeGids(userId); 2790 final Set<String> permissions = permissionsState.getPermissions(userId); 2791 final PackageUserState state = ps.readUserState(userId); 2792 2793 return PackageParser.generatePackageInfo(p, gids, flags, 2794 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2795 } 2796 2797 @Override 2798 public boolean isPackageFrozen(String packageName) { 2799 synchronized (mPackages) { 2800 final PackageSetting ps = mSettings.mPackages.get(packageName); 2801 if (ps != null) { 2802 return ps.frozen; 2803 } 2804 } 2805 Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen"); 2806 return true; 2807 } 2808 2809 @Override 2810 public boolean isPackageAvailable(String packageName, int userId) { 2811 if (!sUserManager.exists(userId)) return false; 2812 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2813 synchronized (mPackages) { 2814 PackageParser.Package p = mPackages.get(packageName); 2815 if (p != null) { 2816 final PackageSetting ps = (PackageSetting) p.mExtras; 2817 if (ps != null) { 2818 final PackageUserState state = ps.readUserState(userId); 2819 if (state != null) { 2820 return PackageParser.isAvailable(state); 2821 } 2822 } 2823 } 2824 } 2825 return false; 2826 } 2827 2828 @Override 2829 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2830 if (!sUserManager.exists(userId)) return null; 2831 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2832 // reader 2833 synchronized (mPackages) { 2834 PackageParser.Package p = mPackages.get(packageName); 2835 if (DEBUG_PACKAGE_INFO) 2836 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2837 if (p != null) { 2838 return generatePackageInfo(p, flags, userId); 2839 } 2840 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2841 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2842 } 2843 } 2844 return null; 2845 } 2846 2847 @Override 2848 public String[] currentToCanonicalPackageNames(String[] names) { 2849 String[] out = new String[names.length]; 2850 // reader 2851 synchronized (mPackages) { 2852 for (int i=names.length-1; i>=0; i--) { 2853 PackageSetting ps = mSettings.mPackages.get(names[i]); 2854 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2855 } 2856 } 2857 return out; 2858 } 2859 2860 @Override 2861 public String[] canonicalToCurrentPackageNames(String[] names) { 2862 String[] out = new String[names.length]; 2863 // reader 2864 synchronized (mPackages) { 2865 for (int i=names.length-1; i>=0; i--) { 2866 String cur = mSettings.mRenamedPackages.get(names[i]); 2867 out[i] = cur != null ? cur : names[i]; 2868 } 2869 } 2870 return out; 2871 } 2872 2873 @Override 2874 public int getPackageUid(String packageName, int userId) { 2875 return getPackageUidEtc(packageName, 0, userId); 2876 } 2877 2878 @Override 2879 public int getPackageUidEtc(String packageName, int flags, int userId) { 2880 if (!sUserManager.exists(userId)) return -1; 2881 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2882 2883 // reader 2884 synchronized (mPackages) { 2885 final PackageParser.Package p = mPackages.get(packageName); 2886 if (p != null) { 2887 return UserHandle.getUid(userId, p.applicationInfo.uid); 2888 } 2889 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2890 final PackageSetting ps = mSettings.mPackages.get(packageName); 2891 if (ps != null) { 2892 return UserHandle.getUid(userId, ps.appId); 2893 } 2894 } 2895 } 2896 2897 return -1; 2898 } 2899 2900 @Override 2901 public int[] getPackageGids(String packageName, int userId) { 2902 return getPackageGidsEtc(packageName, 0, userId); 2903 } 2904 2905 @Override 2906 public int[] getPackageGidsEtc(String packageName, int flags, int userId) { 2907 if (!sUserManager.exists(userId)) { 2908 return null; 2909 } 2910 2911 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2912 "getPackageGids"); 2913 2914 // reader 2915 synchronized (mPackages) { 2916 final PackageParser.Package p = mPackages.get(packageName); 2917 if (p != null) { 2918 PackageSetting ps = (PackageSetting) p.mExtras; 2919 return ps.getPermissionsState().computeGids(userId); 2920 } 2921 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2922 final PackageSetting ps = mSettings.mPackages.get(packageName); 2923 if (ps != null) { 2924 return ps.getPermissionsState().computeGids(userId); 2925 } 2926 } 2927 } 2928 2929 return null; 2930 } 2931 2932 static PermissionInfo generatePermissionInfo( 2933 BasePermission bp, int flags) { 2934 if (bp.perm != null) { 2935 return PackageParser.generatePermissionInfo(bp.perm, flags); 2936 } 2937 PermissionInfo pi = new PermissionInfo(); 2938 pi.name = bp.name; 2939 pi.packageName = bp.sourcePackage; 2940 pi.nonLocalizedLabel = bp.name; 2941 pi.protectionLevel = bp.protectionLevel; 2942 return pi; 2943 } 2944 2945 @Override 2946 public PermissionInfo getPermissionInfo(String name, int flags) { 2947 // reader 2948 synchronized (mPackages) { 2949 final BasePermission p = mSettings.mPermissions.get(name); 2950 if (p != null) { 2951 return generatePermissionInfo(p, flags); 2952 } 2953 return null; 2954 } 2955 } 2956 2957 @Override 2958 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2959 // reader 2960 synchronized (mPackages) { 2961 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2962 for (BasePermission p : mSettings.mPermissions.values()) { 2963 if (group == null) { 2964 if (p.perm == null || p.perm.info.group == null) { 2965 out.add(generatePermissionInfo(p, flags)); 2966 } 2967 } else { 2968 if (p.perm != null && group.equals(p.perm.info.group)) { 2969 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2970 } 2971 } 2972 } 2973 2974 if (out.size() > 0) { 2975 return out; 2976 } 2977 return mPermissionGroups.containsKey(group) ? out : null; 2978 } 2979 } 2980 2981 @Override 2982 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2983 // reader 2984 synchronized (mPackages) { 2985 return PackageParser.generatePermissionGroupInfo( 2986 mPermissionGroups.get(name), flags); 2987 } 2988 } 2989 2990 @Override 2991 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2992 // reader 2993 synchronized (mPackages) { 2994 final int N = mPermissionGroups.size(); 2995 ArrayList<PermissionGroupInfo> out 2996 = new ArrayList<PermissionGroupInfo>(N); 2997 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2998 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2999 } 3000 return out; 3001 } 3002 } 3003 3004 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3005 int userId) { 3006 if (!sUserManager.exists(userId)) return null; 3007 PackageSetting ps = mSettings.mPackages.get(packageName); 3008 if (ps != null) { 3009 if (ps.pkg == null) { 3010 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3011 flags, userId); 3012 if (pInfo != null) { 3013 return pInfo.applicationInfo; 3014 } 3015 return null; 3016 } 3017 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3018 ps.readUserState(userId), userId); 3019 } 3020 return null; 3021 } 3022 3023 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3024 int userId) { 3025 if (!sUserManager.exists(userId)) return null; 3026 PackageSetting ps = mSettings.mPackages.get(packageName); 3027 if (ps != null) { 3028 PackageParser.Package pkg = ps.pkg; 3029 if (pkg == null) { 3030 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 3031 return null; 3032 } 3033 // Only data remains, so we aren't worried about code paths 3034 pkg = new PackageParser.Package(packageName); 3035 pkg.applicationInfo.packageName = packageName; 3036 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3037 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3038 pkg.applicationInfo.uid = ps.appId; 3039 pkg.applicationInfo.initForUser(userId); 3040 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3041 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3042 } 3043 return generatePackageInfo(pkg, flags, userId); 3044 } 3045 return null; 3046 } 3047 3048 @Override 3049 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3050 if (!sUserManager.exists(userId)) return null; 3051 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 3052 // writer 3053 synchronized (mPackages) { 3054 PackageParser.Package p = mPackages.get(packageName); 3055 if (DEBUG_PACKAGE_INFO) Log.v( 3056 TAG, "getApplicationInfo " + packageName 3057 + ": " + p); 3058 if (p != null) { 3059 PackageSetting ps = mSettings.mPackages.get(packageName); 3060 if (ps == null) return null; 3061 // Note: isEnabledLP() does not apply here - always return info 3062 return PackageParser.generateApplicationInfo( 3063 p, flags, ps.readUserState(userId), userId); 3064 } 3065 if ("android".equals(packageName)||"system".equals(packageName)) { 3066 return mAndroidApplication; 3067 } 3068 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 3069 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3070 } 3071 } 3072 return null; 3073 } 3074 3075 @Override 3076 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3077 final IPackageDataObserver observer) { 3078 mContext.enforceCallingOrSelfPermission( 3079 android.Manifest.permission.CLEAR_APP_CACHE, null); 3080 // Queue up an async operation since clearing cache may take a little while. 3081 mHandler.post(new Runnable() { 3082 public void run() { 3083 mHandler.removeCallbacks(this); 3084 int retCode = -1; 3085 synchronized (mInstallLock) { 3086 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 3087 if (retCode < 0) { 3088 Slog.w(TAG, "Couldn't clear application caches"); 3089 } 3090 } 3091 if (observer != null) { 3092 try { 3093 observer.onRemoveCompleted(null, (retCode >= 0)); 3094 } catch (RemoteException e) { 3095 Slog.w(TAG, "RemoveException when invoking call back"); 3096 } 3097 } 3098 } 3099 }); 3100 } 3101 3102 @Override 3103 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3104 final IntentSender pi) { 3105 mContext.enforceCallingOrSelfPermission( 3106 android.Manifest.permission.CLEAR_APP_CACHE, null); 3107 // Queue up an async operation since clearing cache may take a little while. 3108 mHandler.post(new Runnable() { 3109 public void run() { 3110 mHandler.removeCallbacks(this); 3111 int retCode = -1; 3112 synchronized (mInstallLock) { 3113 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 3114 if (retCode < 0) { 3115 Slog.w(TAG, "Couldn't clear application caches"); 3116 } 3117 } 3118 if(pi != null) { 3119 try { 3120 // Callback via pending intent 3121 int code = (retCode >= 0) ? 1 : 0; 3122 pi.sendIntent(null, code, null, 3123 null, null); 3124 } catch (SendIntentException e1) { 3125 Slog.i(TAG, "Failed to send pending intent"); 3126 } 3127 } 3128 } 3129 }); 3130 } 3131 3132 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3133 synchronized (mInstallLock) { 3134 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 3135 throw new IOException("Failed to free enough space"); 3136 } 3137 } 3138 } 3139 3140 /** 3141 * Augment the given flags depending on current user running state. This is 3142 * purposefully done before acquiring {@link #mPackages} lock. 3143 */ 3144 private int augmentFlagsForUser(int flags, int userId) { 3145 if (SystemProperties.getBoolean(StorageManager.PROP_HAS_FBE, false)) { 3146 final IMountService mount = IMountService.Stub 3147 .asInterface(ServiceManager.getService(Context.STORAGE_SERVICE)); 3148 if (mount == null) { 3149 // We must be early in boot, so the best we can do is assume the 3150 // user is fully running. 3151 return flags; 3152 } 3153 final long token = Binder.clearCallingIdentity(); 3154 try { 3155 if (!mount.isUserKeyUnlocked(userId)) { 3156 flags |= PackageManager.FLAG_USER_RUNNING_WITH_AMNESIA; 3157 } 3158 } catch (RemoteException e) { 3159 throw e.rethrowAsRuntimeException(); 3160 } finally { 3161 Binder.restoreCallingIdentity(token); 3162 } 3163 } 3164 return flags; 3165 } 3166 3167 @Override 3168 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3169 if (!sUserManager.exists(userId)) return null; 3170 flags = augmentFlagsForUser(flags, userId); 3171 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3172 synchronized (mPackages) { 3173 PackageParser.Activity a = mActivities.mActivities.get(component); 3174 3175 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3176 if (a != null && mSettings.isEnabledAndVisibleLPr(a.info, flags, userId)) { 3177 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3178 if (ps == null) return null; 3179 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3180 userId); 3181 } 3182 if (mResolveComponentName.equals(component)) { 3183 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3184 new PackageUserState(), userId); 3185 } 3186 } 3187 return null; 3188 } 3189 3190 @Override 3191 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3192 String resolvedType) { 3193 synchronized (mPackages) { 3194 if (component.equals(mResolveComponentName)) { 3195 // The resolver supports EVERYTHING! 3196 return true; 3197 } 3198 PackageParser.Activity a = mActivities.mActivities.get(component); 3199 if (a == null) { 3200 return false; 3201 } 3202 for (int i=0; i<a.intents.size(); i++) { 3203 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3204 intent.getData(), intent.getCategories(), TAG) >= 0) { 3205 return true; 3206 } 3207 } 3208 return false; 3209 } 3210 } 3211 3212 @Override 3213 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3214 if (!sUserManager.exists(userId)) return null; 3215 flags = augmentFlagsForUser(flags, userId); 3216 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3217 synchronized (mPackages) { 3218 PackageParser.Activity a = mReceivers.mActivities.get(component); 3219 if (DEBUG_PACKAGE_INFO) Log.v( 3220 TAG, "getReceiverInfo " + component + ": " + a); 3221 if (a != null && mSettings.isEnabledAndVisibleLPr(a.info, flags, userId)) { 3222 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3223 if (ps == null) return null; 3224 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3225 userId); 3226 } 3227 } 3228 return null; 3229 } 3230 3231 @Override 3232 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3233 if (!sUserManager.exists(userId)) return null; 3234 flags = augmentFlagsForUser(flags, userId); 3235 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3236 synchronized (mPackages) { 3237 PackageParser.Service s = mServices.mServices.get(component); 3238 if (DEBUG_PACKAGE_INFO) Log.v( 3239 TAG, "getServiceInfo " + component + ": " + s); 3240 if (s != null && mSettings.isEnabledAndVisibleLPr(s.info, flags, userId)) { 3241 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3242 if (ps == null) return null; 3243 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3244 userId); 3245 } 3246 } 3247 return null; 3248 } 3249 3250 @Override 3251 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3252 if (!sUserManager.exists(userId)) return null; 3253 flags = augmentFlagsForUser(flags, userId); 3254 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3255 synchronized (mPackages) { 3256 PackageParser.Provider p = mProviders.mProviders.get(component); 3257 if (DEBUG_PACKAGE_INFO) Log.v( 3258 TAG, "getProviderInfo " + component + ": " + p); 3259 if (p != null && mSettings.isEnabledAndVisibleLPr(p.info, flags, userId)) { 3260 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3261 if (ps == null) return null; 3262 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3263 userId); 3264 } 3265 } 3266 return null; 3267 } 3268 3269 @Override 3270 public String[] getSystemSharedLibraryNames() { 3271 Set<String> libSet; 3272 synchronized (mPackages) { 3273 libSet = mSharedLibraries.keySet(); 3274 int size = libSet.size(); 3275 if (size > 0) { 3276 String[] libs = new String[size]; 3277 libSet.toArray(libs); 3278 return libs; 3279 } 3280 } 3281 return null; 3282 } 3283 3284 /** 3285 * @hide 3286 */ 3287 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3288 synchronized (mPackages) { 3289 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3290 if (lib != null && lib.apk != null) { 3291 return mPackages.get(lib.apk); 3292 } 3293 } 3294 return null; 3295 } 3296 3297 @Override 3298 public FeatureInfo[] getSystemAvailableFeatures() { 3299 Collection<FeatureInfo> featSet; 3300 synchronized (mPackages) { 3301 featSet = mAvailableFeatures.values(); 3302 int size = featSet.size(); 3303 if (size > 0) { 3304 FeatureInfo[] features = new FeatureInfo[size+1]; 3305 featSet.toArray(features); 3306 FeatureInfo fi = new FeatureInfo(); 3307 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3308 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3309 features[size] = fi; 3310 return features; 3311 } 3312 } 3313 return null; 3314 } 3315 3316 @Override 3317 public boolean hasSystemFeature(String name) { 3318 synchronized (mPackages) { 3319 return mAvailableFeatures.containsKey(name); 3320 } 3321 } 3322 3323 private void checkValidCaller(int uid, int userId) { 3324 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 3325 return; 3326 3327 throw new SecurityException("Caller uid=" + uid 3328 + " is not privileged to communicate with user=" + userId); 3329 } 3330 3331 @Override 3332 public int checkPermission(String permName, String pkgName, int userId) { 3333 if (!sUserManager.exists(userId)) { 3334 return PackageManager.PERMISSION_DENIED; 3335 } 3336 3337 synchronized (mPackages) { 3338 final PackageParser.Package p = mPackages.get(pkgName); 3339 if (p != null && p.mExtras != null) { 3340 final PackageSetting ps = (PackageSetting) p.mExtras; 3341 final PermissionsState permissionsState = ps.getPermissionsState(); 3342 if (permissionsState.hasPermission(permName, userId)) { 3343 return PackageManager.PERMISSION_GRANTED; 3344 } 3345 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3346 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3347 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3348 return PackageManager.PERMISSION_GRANTED; 3349 } 3350 } 3351 } 3352 3353 return PackageManager.PERMISSION_DENIED; 3354 } 3355 3356 @Override 3357 public int checkUidPermission(String permName, int uid) { 3358 final int userId = UserHandle.getUserId(uid); 3359 3360 if (!sUserManager.exists(userId)) { 3361 return PackageManager.PERMISSION_DENIED; 3362 } 3363 3364 synchronized (mPackages) { 3365 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3366 if (obj != null) { 3367 final SettingBase ps = (SettingBase) obj; 3368 final PermissionsState permissionsState = ps.getPermissionsState(); 3369 if (permissionsState.hasPermission(permName, userId)) { 3370 return PackageManager.PERMISSION_GRANTED; 3371 } 3372 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3373 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3374 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3375 return PackageManager.PERMISSION_GRANTED; 3376 } 3377 } else { 3378 ArraySet<String> perms = mSystemPermissions.get(uid); 3379 if (perms != null) { 3380 if (perms.contains(permName)) { 3381 return PackageManager.PERMISSION_GRANTED; 3382 } 3383 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3384 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3385 return PackageManager.PERMISSION_GRANTED; 3386 } 3387 } 3388 } 3389 } 3390 3391 return PackageManager.PERMISSION_DENIED; 3392 } 3393 3394 @Override 3395 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3396 if (UserHandle.getCallingUserId() != userId) { 3397 mContext.enforceCallingPermission( 3398 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3399 "isPermissionRevokedByPolicy for user " + userId); 3400 } 3401 3402 if (checkPermission(permission, packageName, userId) 3403 == PackageManager.PERMISSION_GRANTED) { 3404 return false; 3405 } 3406 3407 final long identity = Binder.clearCallingIdentity(); 3408 try { 3409 final int flags = getPermissionFlags(permission, packageName, userId); 3410 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3411 } finally { 3412 Binder.restoreCallingIdentity(identity); 3413 } 3414 } 3415 3416 @Override 3417 public String getPermissionControllerPackageName() { 3418 synchronized (mPackages) { 3419 return mRequiredInstallerPackage; 3420 } 3421 } 3422 3423 /** 3424 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3425 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3426 * @param checkShell TODO(yamasani): 3427 * @param message the message to log on security exception 3428 */ 3429 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3430 boolean checkShell, String message) { 3431 if (userId < 0) { 3432 throw new IllegalArgumentException("Invalid userId " + userId); 3433 } 3434 if (checkShell) { 3435 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3436 } 3437 if (userId == UserHandle.getUserId(callingUid)) return; 3438 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3439 if (requireFullPermission) { 3440 mContext.enforceCallingOrSelfPermission( 3441 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3442 } else { 3443 try { 3444 mContext.enforceCallingOrSelfPermission( 3445 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3446 } catch (SecurityException se) { 3447 mContext.enforceCallingOrSelfPermission( 3448 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3449 } 3450 } 3451 } 3452 } 3453 3454 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3455 if (callingUid == Process.SHELL_UID) { 3456 if (userHandle >= 0 3457 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3458 throw new SecurityException("Shell does not have permission to access user " 3459 + userHandle); 3460 } else if (userHandle < 0) { 3461 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3462 + Debug.getCallers(3)); 3463 } 3464 } 3465 } 3466 3467 private BasePermission findPermissionTreeLP(String permName) { 3468 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3469 if (permName.startsWith(bp.name) && 3470 permName.length() > bp.name.length() && 3471 permName.charAt(bp.name.length()) == '.') { 3472 return bp; 3473 } 3474 } 3475 return null; 3476 } 3477 3478 private BasePermission checkPermissionTreeLP(String permName) { 3479 if (permName != null) { 3480 BasePermission bp = findPermissionTreeLP(permName); 3481 if (bp != null) { 3482 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3483 return bp; 3484 } 3485 throw new SecurityException("Calling uid " 3486 + Binder.getCallingUid() 3487 + " is not allowed to add to permission tree " 3488 + bp.name + " owned by uid " + bp.uid); 3489 } 3490 } 3491 throw new SecurityException("No permission tree found for " + permName); 3492 } 3493 3494 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3495 if (s1 == null) { 3496 return s2 == null; 3497 } 3498 if (s2 == null) { 3499 return false; 3500 } 3501 if (s1.getClass() != s2.getClass()) { 3502 return false; 3503 } 3504 return s1.equals(s2); 3505 } 3506 3507 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3508 if (pi1.icon != pi2.icon) return false; 3509 if (pi1.logo != pi2.logo) return false; 3510 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3511 if (!compareStrings(pi1.name, pi2.name)) return false; 3512 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3513 // We'll take care of setting this one. 3514 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3515 // These are not currently stored in settings. 3516 //if (!compareStrings(pi1.group, pi2.group)) return false; 3517 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3518 //if (pi1.labelRes != pi2.labelRes) return false; 3519 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3520 return true; 3521 } 3522 3523 int permissionInfoFootprint(PermissionInfo info) { 3524 int size = info.name.length(); 3525 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3526 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3527 return size; 3528 } 3529 3530 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3531 int size = 0; 3532 for (BasePermission perm : mSettings.mPermissions.values()) { 3533 if (perm.uid == tree.uid) { 3534 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3535 } 3536 } 3537 return size; 3538 } 3539 3540 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3541 // We calculate the max size of permissions defined by this uid and throw 3542 // if that plus the size of 'info' would exceed our stated maximum. 3543 if (tree.uid != Process.SYSTEM_UID) { 3544 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3545 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3546 throw new SecurityException("Permission tree size cap exceeded"); 3547 } 3548 } 3549 } 3550 3551 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3552 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3553 throw new SecurityException("Label must be specified in permission"); 3554 } 3555 BasePermission tree = checkPermissionTreeLP(info.name); 3556 BasePermission bp = mSettings.mPermissions.get(info.name); 3557 boolean added = bp == null; 3558 boolean changed = true; 3559 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3560 if (added) { 3561 enforcePermissionCapLocked(info, tree); 3562 bp = new BasePermission(info.name, tree.sourcePackage, 3563 BasePermission.TYPE_DYNAMIC); 3564 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3565 throw new SecurityException( 3566 "Not allowed to modify non-dynamic permission " 3567 + info.name); 3568 } else { 3569 if (bp.protectionLevel == fixedLevel 3570 && bp.perm.owner.equals(tree.perm.owner) 3571 && bp.uid == tree.uid 3572 && comparePermissionInfos(bp.perm.info, info)) { 3573 changed = false; 3574 } 3575 } 3576 bp.protectionLevel = fixedLevel; 3577 info = new PermissionInfo(info); 3578 info.protectionLevel = fixedLevel; 3579 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3580 bp.perm.info.packageName = tree.perm.info.packageName; 3581 bp.uid = tree.uid; 3582 if (added) { 3583 mSettings.mPermissions.put(info.name, bp); 3584 } 3585 if (changed) { 3586 if (!async) { 3587 mSettings.writeLPr(); 3588 } else { 3589 scheduleWriteSettingsLocked(); 3590 } 3591 } 3592 return added; 3593 } 3594 3595 @Override 3596 public boolean addPermission(PermissionInfo info) { 3597 synchronized (mPackages) { 3598 return addPermissionLocked(info, false); 3599 } 3600 } 3601 3602 @Override 3603 public boolean addPermissionAsync(PermissionInfo info) { 3604 synchronized (mPackages) { 3605 return addPermissionLocked(info, true); 3606 } 3607 } 3608 3609 @Override 3610 public void removePermission(String name) { 3611 synchronized (mPackages) { 3612 checkPermissionTreeLP(name); 3613 BasePermission bp = mSettings.mPermissions.get(name); 3614 if (bp != null) { 3615 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3616 throw new SecurityException( 3617 "Not allowed to modify non-dynamic permission " 3618 + name); 3619 } 3620 mSettings.mPermissions.remove(name); 3621 mSettings.writeLPr(); 3622 } 3623 } 3624 } 3625 3626 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3627 BasePermission bp) { 3628 int index = pkg.requestedPermissions.indexOf(bp.name); 3629 if (index == -1) { 3630 throw new SecurityException("Package " + pkg.packageName 3631 + " has not requested permission " + bp.name); 3632 } 3633 if (!bp.isRuntime() && !bp.isDevelopment()) { 3634 throw new SecurityException("Permission " + bp.name 3635 + " is not a changeable permission type"); 3636 } 3637 } 3638 3639 @Override 3640 public void grantRuntimePermission(String packageName, String name, final int userId) { 3641 if (!sUserManager.exists(userId)) { 3642 Log.e(TAG, "No such user:" + userId); 3643 return; 3644 } 3645 3646 mContext.enforceCallingOrSelfPermission( 3647 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3648 "grantRuntimePermission"); 3649 3650 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3651 "grantRuntimePermission"); 3652 3653 final int uid; 3654 final SettingBase sb; 3655 3656 synchronized (mPackages) { 3657 final PackageParser.Package pkg = mPackages.get(packageName); 3658 if (pkg == null) { 3659 throw new IllegalArgumentException("Unknown package: " + packageName); 3660 } 3661 3662 final BasePermission bp = mSettings.mPermissions.get(name); 3663 if (bp == null) { 3664 throw new IllegalArgumentException("Unknown permission: " + name); 3665 } 3666 3667 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3668 3669 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3670 sb = (SettingBase) pkg.mExtras; 3671 if (sb == null) { 3672 throw new IllegalArgumentException("Unknown package: " + packageName); 3673 } 3674 3675 final PermissionsState permissionsState = sb.getPermissionsState(); 3676 3677 final int flags = permissionsState.getPermissionFlags(name, userId); 3678 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3679 throw new SecurityException("Cannot grant system fixed permission: " 3680 + name + " for package: " + packageName); 3681 } 3682 3683 if (bp.isDevelopment()) { 3684 // Development permissions must be handled specially, since they are not 3685 // normal runtime permissions. For now they apply to all users. 3686 if (permissionsState.grantInstallPermission(bp) != 3687 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3688 scheduleWriteSettingsLocked(); 3689 } 3690 return; 3691 } 3692 3693 final int result = permissionsState.grantRuntimePermission(bp, userId); 3694 switch (result) { 3695 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3696 return; 3697 } 3698 3699 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3700 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3701 mHandler.post(new Runnable() { 3702 @Override 3703 public void run() { 3704 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3705 } 3706 }); 3707 } 3708 break; 3709 } 3710 3711 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3712 3713 // Not critical if that is lost - app has to request again. 3714 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3715 } 3716 3717 // Only need to do this if user is initialized. Otherwise it's a new user 3718 // and there are no processes running as the user yet and there's no need 3719 // to make an expensive call to remount processes for the changed permissions. 3720 if (READ_EXTERNAL_STORAGE.equals(name) 3721 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3722 final long token = Binder.clearCallingIdentity(); 3723 try { 3724 if (sUserManager.isInitialized(userId)) { 3725 MountServiceInternal mountServiceInternal = LocalServices.getService( 3726 MountServiceInternal.class); 3727 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3728 } 3729 } finally { 3730 Binder.restoreCallingIdentity(token); 3731 } 3732 } 3733 } 3734 3735 @Override 3736 public void revokeRuntimePermission(String packageName, String name, int userId) { 3737 if (!sUserManager.exists(userId)) { 3738 Log.e(TAG, "No such user:" + userId); 3739 return; 3740 } 3741 3742 mContext.enforceCallingOrSelfPermission( 3743 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3744 "revokeRuntimePermission"); 3745 3746 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3747 "revokeRuntimePermission"); 3748 3749 final int appId; 3750 3751 synchronized (mPackages) { 3752 final PackageParser.Package pkg = mPackages.get(packageName); 3753 if (pkg == null) { 3754 throw new IllegalArgumentException("Unknown package: " + packageName); 3755 } 3756 3757 final BasePermission bp = mSettings.mPermissions.get(name); 3758 if (bp == null) { 3759 throw new IllegalArgumentException("Unknown permission: " + name); 3760 } 3761 3762 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3763 3764 SettingBase sb = (SettingBase) pkg.mExtras; 3765 if (sb == null) { 3766 throw new IllegalArgumentException("Unknown package: " + packageName); 3767 } 3768 3769 final PermissionsState permissionsState = sb.getPermissionsState(); 3770 3771 final int flags = permissionsState.getPermissionFlags(name, userId); 3772 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3773 throw new SecurityException("Cannot revoke system fixed permission: " 3774 + name + " for package: " + packageName); 3775 } 3776 3777 if (bp.isDevelopment()) { 3778 // Development permissions must be handled specially, since they are not 3779 // normal runtime permissions. For now they apply to all users. 3780 if (permissionsState.revokeInstallPermission(bp) != 3781 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3782 scheduleWriteSettingsLocked(); 3783 } 3784 return; 3785 } 3786 3787 if (permissionsState.revokeRuntimePermission(bp, userId) == 3788 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3789 return; 3790 } 3791 3792 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3793 3794 // Critical, after this call app should never have the permission. 3795 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3796 3797 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3798 } 3799 3800 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3801 } 3802 3803 @Override 3804 public void resetRuntimePermissions() { 3805 mContext.enforceCallingOrSelfPermission( 3806 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3807 "revokeRuntimePermission"); 3808 3809 int callingUid = Binder.getCallingUid(); 3810 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3811 mContext.enforceCallingOrSelfPermission( 3812 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3813 "resetRuntimePermissions"); 3814 } 3815 3816 synchronized (mPackages) { 3817 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3818 for (int userId : UserManagerService.getInstance().getUserIds()) { 3819 final int packageCount = mPackages.size(); 3820 for (int i = 0; i < packageCount; i++) { 3821 PackageParser.Package pkg = mPackages.valueAt(i); 3822 if (!(pkg.mExtras instanceof PackageSetting)) { 3823 continue; 3824 } 3825 PackageSetting ps = (PackageSetting) pkg.mExtras; 3826 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3827 } 3828 } 3829 } 3830 } 3831 3832 @Override 3833 public int getPermissionFlags(String name, String packageName, int userId) { 3834 if (!sUserManager.exists(userId)) { 3835 return 0; 3836 } 3837 3838 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3839 3840 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3841 "getPermissionFlags"); 3842 3843 synchronized (mPackages) { 3844 final PackageParser.Package pkg = mPackages.get(packageName); 3845 if (pkg == null) { 3846 throw new IllegalArgumentException("Unknown package: " + packageName); 3847 } 3848 3849 final BasePermission bp = mSettings.mPermissions.get(name); 3850 if (bp == null) { 3851 throw new IllegalArgumentException("Unknown permission: " + name); 3852 } 3853 3854 SettingBase sb = (SettingBase) pkg.mExtras; 3855 if (sb == null) { 3856 throw new IllegalArgumentException("Unknown package: " + packageName); 3857 } 3858 3859 PermissionsState permissionsState = sb.getPermissionsState(); 3860 return permissionsState.getPermissionFlags(name, userId); 3861 } 3862 } 3863 3864 @Override 3865 public void updatePermissionFlags(String name, String packageName, int flagMask, 3866 int flagValues, int userId) { 3867 if (!sUserManager.exists(userId)) { 3868 return; 3869 } 3870 3871 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3872 3873 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3874 "updatePermissionFlags"); 3875 3876 // Only the system can change these flags and nothing else. 3877 if (getCallingUid() != Process.SYSTEM_UID) { 3878 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3879 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3880 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3881 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3882 } 3883 3884 synchronized (mPackages) { 3885 final PackageParser.Package pkg = mPackages.get(packageName); 3886 if (pkg == null) { 3887 throw new IllegalArgumentException("Unknown package: " + packageName); 3888 } 3889 3890 final BasePermission bp = mSettings.mPermissions.get(name); 3891 if (bp == null) { 3892 throw new IllegalArgumentException("Unknown permission: " + name); 3893 } 3894 3895 SettingBase sb = (SettingBase) pkg.mExtras; 3896 if (sb == null) { 3897 throw new IllegalArgumentException("Unknown package: " + packageName); 3898 } 3899 3900 PermissionsState permissionsState = sb.getPermissionsState(); 3901 3902 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3903 3904 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3905 // Install and runtime permissions are stored in different places, 3906 // so figure out what permission changed and persist the change. 3907 if (permissionsState.getInstallPermissionState(name) != null) { 3908 scheduleWriteSettingsLocked(); 3909 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3910 || hadState) { 3911 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3912 } 3913 } 3914 } 3915 } 3916 3917 /** 3918 * Update the permission flags for all packages and runtime permissions of a user in order 3919 * to allow device or profile owner to remove POLICY_FIXED. 3920 */ 3921 @Override 3922 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3923 if (!sUserManager.exists(userId)) { 3924 return; 3925 } 3926 3927 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3928 3929 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3930 "updatePermissionFlagsForAllApps"); 3931 3932 // Only the system can change system fixed flags. 3933 if (getCallingUid() != Process.SYSTEM_UID) { 3934 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3935 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3936 } 3937 3938 synchronized (mPackages) { 3939 boolean changed = false; 3940 final int packageCount = mPackages.size(); 3941 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3942 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3943 SettingBase sb = (SettingBase) pkg.mExtras; 3944 if (sb == null) { 3945 continue; 3946 } 3947 PermissionsState permissionsState = sb.getPermissionsState(); 3948 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 3949 userId, flagMask, flagValues); 3950 } 3951 if (changed) { 3952 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3953 } 3954 } 3955 } 3956 3957 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 3958 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 3959 != PackageManager.PERMISSION_GRANTED 3960 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 3961 != PackageManager.PERMISSION_GRANTED) { 3962 throw new SecurityException(message + " requires " 3963 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 3964 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 3965 } 3966 } 3967 3968 @Override 3969 public boolean shouldShowRequestPermissionRationale(String permissionName, 3970 String packageName, int userId) { 3971 if (UserHandle.getCallingUserId() != userId) { 3972 mContext.enforceCallingPermission( 3973 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3974 "canShowRequestPermissionRationale for user " + userId); 3975 } 3976 3977 final int uid = getPackageUid(packageName, userId); 3978 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 3979 return false; 3980 } 3981 3982 if (checkPermission(permissionName, packageName, userId) 3983 == PackageManager.PERMISSION_GRANTED) { 3984 return false; 3985 } 3986 3987 final int flags; 3988 3989 final long identity = Binder.clearCallingIdentity(); 3990 try { 3991 flags = getPermissionFlags(permissionName, 3992 packageName, userId); 3993 } finally { 3994 Binder.restoreCallingIdentity(identity); 3995 } 3996 3997 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 3998 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 3999 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4000 4001 if ((flags & fixedFlags) != 0) { 4002 return false; 4003 } 4004 4005 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4006 } 4007 4008 @Override 4009 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4010 mContext.enforceCallingOrSelfPermission( 4011 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4012 "addOnPermissionsChangeListener"); 4013 4014 synchronized (mPackages) { 4015 mOnPermissionChangeListeners.addListenerLocked(listener); 4016 } 4017 } 4018 4019 @Override 4020 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4021 synchronized (mPackages) { 4022 mOnPermissionChangeListeners.removeListenerLocked(listener); 4023 } 4024 } 4025 4026 @Override 4027 public boolean isProtectedBroadcast(String actionName) { 4028 synchronized (mPackages) { 4029 return mProtectedBroadcasts.contains(actionName); 4030 } 4031 } 4032 4033 @Override 4034 public int checkSignatures(String pkg1, String pkg2) { 4035 synchronized (mPackages) { 4036 final PackageParser.Package p1 = mPackages.get(pkg1); 4037 final PackageParser.Package p2 = mPackages.get(pkg2); 4038 if (p1 == null || p1.mExtras == null 4039 || p2 == null || p2.mExtras == null) { 4040 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4041 } 4042 return compareSignatures(p1.mSignatures, p2.mSignatures); 4043 } 4044 } 4045 4046 @Override 4047 public int checkUidSignatures(int uid1, int uid2) { 4048 // Map to base uids. 4049 uid1 = UserHandle.getAppId(uid1); 4050 uid2 = UserHandle.getAppId(uid2); 4051 // reader 4052 synchronized (mPackages) { 4053 Signature[] s1; 4054 Signature[] s2; 4055 Object obj = mSettings.getUserIdLPr(uid1); 4056 if (obj != null) { 4057 if (obj instanceof SharedUserSetting) { 4058 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4059 } else if (obj instanceof PackageSetting) { 4060 s1 = ((PackageSetting)obj).signatures.mSignatures; 4061 } else { 4062 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4063 } 4064 } else { 4065 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4066 } 4067 obj = mSettings.getUserIdLPr(uid2); 4068 if (obj != null) { 4069 if (obj instanceof SharedUserSetting) { 4070 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4071 } else if (obj instanceof PackageSetting) { 4072 s2 = ((PackageSetting)obj).signatures.mSignatures; 4073 } else { 4074 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4075 } 4076 } else { 4077 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4078 } 4079 return compareSignatures(s1, s2); 4080 } 4081 } 4082 4083 private void killUid(int appId, int userId, String reason) { 4084 final long identity = Binder.clearCallingIdentity(); 4085 try { 4086 IActivityManager am = ActivityManagerNative.getDefault(); 4087 if (am != null) { 4088 try { 4089 am.killUid(appId, userId, reason); 4090 } catch (RemoteException e) { 4091 /* ignore - same process */ 4092 } 4093 } 4094 } finally { 4095 Binder.restoreCallingIdentity(identity); 4096 } 4097 } 4098 4099 /** 4100 * Compares two sets of signatures. Returns: 4101 * <br /> 4102 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4103 * <br /> 4104 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4105 * <br /> 4106 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4107 * <br /> 4108 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4109 * <br /> 4110 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4111 */ 4112 static int compareSignatures(Signature[] s1, Signature[] s2) { 4113 if (s1 == null) { 4114 return s2 == null 4115 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4116 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4117 } 4118 4119 if (s2 == null) { 4120 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4121 } 4122 4123 if (s1.length != s2.length) { 4124 return PackageManager.SIGNATURE_NO_MATCH; 4125 } 4126 4127 // Since both signature sets are of size 1, we can compare without HashSets. 4128 if (s1.length == 1) { 4129 return s1[0].equals(s2[0]) ? 4130 PackageManager.SIGNATURE_MATCH : 4131 PackageManager.SIGNATURE_NO_MATCH; 4132 } 4133 4134 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4135 for (Signature sig : s1) { 4136 set1.add(sig); 4137 } 4138 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4139 for (Signature sig : s2) { 4140 set2.add(sig); 4141 } 4142 // Make sure s2 contains all signatures in s1. 4143 if (set1.equals(set2)) { 4144 return PackageManager.SIGNATURE_MATCH; 4145 } 4146 return PackageManager.SIGNATURE_NO_MATCH; 4147 } 4148 4149 /** 4150 * If the database version for this type of package (internal storage or 4151 * external storage) is less than the version where package signatures 4152 * were updated, return true. 4153 */ 4154 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4155 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4156 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4157 } 4158 4159 /** 4160 * Used for backward compatibility to make sure any packages with 4161 * certificate chains get upgraded to the new style. {@code existingSigs} 4162 * will be in the old format (since they were stored on disk from before the 4163 * system upgrade) and {@code scannedSigs} will be in the newer format. 4164 */ 4165 private int compareSignaturesCompat(PackageSignatures existingSigs, 4166 PackageParser.Package scannedPkg) { 4167 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4168 return PackageManager.SIGNATURE_NO_MATCH; 4169 } 4170 4171 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4172 for (Signature sig : existingSigs.mSignatures) { 4173 existingSet.add(sig); 4174 } 4175 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4176 for (Signature sig : scannedPkg.mSignatures) { 4177 try { 4178 Signature[] chainSignatures = sig.getChainSignatures(); 4179 for (Signature chainSig : chainSignatures) { 4180 scannedCompatSet.add(chainSig); 4181 } 4182 } catch (CertificateEncodingException e) { 4183 scannedCompatSet.add(sig); 4184 } 4185 } 4186 /* 4187 * Make sure the expanded scanned set contains all signatures in the 4188 * existing one. 4189 */ 4190 if (scannedCompatSet.equals(existingSet)) { 4191 // Migrate the old signatures to the new scheme. 4192 existingSigs.assignSignatures(scannedPkg.mSignatures); 4193 // The new KeySets will be re-added later in the scanning process. 4194 synchronized (mPackages) { 4195 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4196 } 4197 return PackageManager.SIGNATURE_MATCH; 4198 } 4199 return PackageManager.SIGNATURE_NO_MATCH; 4200 } 4201 4202 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4203 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4204 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4205 } 4206 4207 private int compareSignaturesRecover(PackageSignatures existingSigs, 4208 PackageParser.Package scannedPkg) { 4209 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4210 return PackageManager.SIGNATURE_NO_MATCH; 4211 } 4212 4213 String msg = null; 4214 try { 4215 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4216 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4217 + scannedPkg.packageName); 4218 return PackageManager.SIGNATURE_MATCH; 4219 } 4220 } catch (CertificateException e) { 4221 msg = e.getMessage(); 4222 } 4223 4224 logCriticalInfo(Log.INFO, 4225 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4226 return PackageManager.SIGNATURE_NO_MATCH; 4227 } 4228 4229 @Override 4230 public String[] getPackagesForUid(int uid) { 4231 uid = UserHandle.getAppId(uid); 4232 // reader 4233 synchronized (mPackages) { 4234 Object obj = mSettings.getUserIdLPr(uid); 4235 if (obj instanceof SharedUserSetting) { 4236 final SharedUserSetting sus = (SharedUserSetting) obj; 4237 final int N = sus.packages.size(); 4238 final String[] res = new String[N]; 4239 final Iterator<PackageSetting> it = sus.packages.iterator(); 4240 int i = 0; 4241 while (it.hasNext()) { 4242 res[i++] = it.next().name; 4243 } 4244 return res; 4245 } else if (obj instanceof PackageSetting) { 4246 final PackageSetting ps = (PackageSetting) obj; 4247 return new String[] { ps.name }; 4248 } 4249 } 4250 return null; 4251 } 4252 4253 @Override 4254 public String getNameForUid(int uid) { 4255 // reader 4256 synchronized (mPackages) { 4257 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4258 if (obj instanceof SharedUserSetting) { 4259 final SharedUserSetting sus = (SharedUserSetting) obj; 4260 return sus.name + ":" + sus.userId; 4261 } else if (obj instanceof PackageSetting) { 4262 final PackageSetting ps = (PackageSetting) obj; 4263 return ps.name; 4264 } 4265 } 4266 return null; 4267 } 4268 4269 @Override 4270 public int getUidForSharedUser(String sharedUserName) { 4271 if(sharedUserName == null) { 4272 return -1; 4273 } 4274 // reader 4275 synchronized (mPackages) { 4276 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4277 if (suid == null) { 4278 return -1; 4279 } 4280 return suid.userId; 4281 } 4282 } 4283 4284 @Override 4285 public int getFlagsForUid(int uid) { 4286 synchronized (mPackages) { 4287 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4288 if (obj instanceof SharedUserSetting) { 4289 final SharedUserSetting sus = (SharedUserSetting) obj; 4290 return sus.pkgFlags; 4291 } else if (obj instanceof PackageSetting) { 4292 final PackageSetting ps = (PackageSetting) obj; 4293 return ps.pkgFlags; 4294 } 4295 } 4296 return 0; 4297 } 4298 4299 @Override 4300 public int getPrivateFlagsForUid(int uid) { 4301 synchronized (mPackages) { 4302 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4303 if (obj instanceof SharedUserSetting) { 4304 final SharedUserSetting sus = (SharedUserSetting) obj; 4305 return sus.pkgPrivateFlags; 4306 } else if (obj instanceof PackageSetting) { 4307 final PackageSetting ps = (PackageSetting) obj; 4308 return ps.pkgPrivateFlags; 4309 } 4310 } 4311 return 0; 4312 } 4313 4314 @Override 4315 public boolean isUidPrivileged(int uid) { 4316 uid = UserHandle.getAppId(uid); 4317 // reader 4318 synchronized (mPackages) { 4319 Object obj = mSettings.getUserIdLPr(uid); 4320 if (obj instanceof SharedUserSetting) { 4321 final SharedUserSetting sus = (SharedUserSetting) obj; 4322 final Iterator<PackageSetting> it = sus.packages.iterator(); 4323 while (it.hasNext()) { 4324 if (it.next().isPrivileged()) { 4325 return true; 4326 } 4327 } 4328 } else if (obj instanceof PackageSetting) { 4329 final PackageSetting ps = (PackageSetting) obj; 4330 return ps.isPrivileged(); 4331 } 4332 } 4333 return false; 4334 } 4335 4336 @Override 4337 public String[] getAppOpPermissionPackages(String permissionName) { 4338 synchronized (mPackages) { 4339 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4340 if (pkgs == null) { 4341 return null; 4342 } 4343 return pkgs.toArray(new String[pkgs.size()]); 4344 } 4345 } 4346 4347 @Override 4348 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4349 int flags, int userId) { 4350 if (!sUserManager.exists(userId)) return null; 4351 flags = augmentFlagsForUser(flags, userId); 4352 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4353 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4354 return chooseBestActivity(intent, resolvedType, flags, query, userId); 4355 } 4356 4357 @Override 4358 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4359 IntentFilter filter, int match, ComponentName activity) { 4360 final int userId = UserHandle.getCallingUserId(); 4361 if (DEBUG_PREFERRED) { 4362 Log.v(TAG, "setLastChosenActivity intent=" + intent 4363 + " resolvedType=" + resolvedType 4364 + " flags=" + flags 4365 + " filter=" + filter 4366 + " match=" + match 4367 + " activity=" + activity); 4368 filter.dump(new PrintStreamPrinter(System.out), " "); 4369 } 4370 intent.setComponent(null); 4371 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4372 // Find any earlier preferred or last chosen entries and nuke them 4373 findPreferredActivity(intent, resolvedType, 4374 flags, query, 0, false, true, false, userId); 4375 // Add the new activity as the last chosen for this filter 4376 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4377 "Setting last chosen"); 4378 } 4379 4380 @Override 4381 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4382 final int userId = UserHandle.getCallingUserId(); 4383 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4384 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4385 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4386 false, false, false, userId); 4387 } 4388 4389 private boolean isEphemeralAvailable(Intent intent, String resolvedType, int userId) { 4390 MessageDigest digest = null; 4391 try { 4392 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4393 } catch (NoSuchAlgorithmException e) { 4394 // If we can't create a digest, ignore ephemeral apps. 4395 return false; 4396 } 4397 4398 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4399 final byte[] digestBytes = digest.digest(hostBytes); 4400 int shaPrefix = 4401 digestBytes[0] << 24 4402 | digestBytes[1] << 16 4403 | digestBytes[2] << 8 4404 | digestBytes[3] << 0; 4405 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4406 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4407 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4408 // No hash prefix match; there are no ephemeral apps for this domain. 4409 return false; 4410 } 4411 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4412 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4413 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4414 continue; 4415 } 4416 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4417 // No filters; this should never happen. 4418 if (filters.isEmpty()) { 4419 continue; 4420 } 4421 // We have a domain match; resolve the filters to see if anything matches. 4422 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4423 for (int j = filters.size() - 1; j >= 0; --j) { 4424 ephemeralResolver.addFilter(filters.get(j)); 4425 } 4426 List<ResolveInfo> ephemeralResolveList = ephemeralResolver.queryIntent( 4427 intent, resolvedType, false /*defaultOnly*/, userId); 4428 return !ephemeralResolveList.isEmpty(); 4429 } 4430 // Hash or filter mis-match; no ephemeral apps for this domain. 4431 return false; 4432 } 4433 4434 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4435 int flags, List<ResolveInfo> query, int userId) { 4436 final boolean isWebUri = hasWebURI(intent); 4437 // Check whether or not an ephemeral app exists to handle the URI. 4438 if (isWebUri && mEphemeralResolverConnection != null) { 4439 // Deny ephemeral apps if the user choose _ALWAYS or _ALWAYS_ASK for intent resolution. 4440 boolean hasAlwaysHandler = false; 4441 synchronized (mPackages) { 4442 final int count = query.size(); 4443 for (int n=0; n<count; n++) { 4444 ResolveInfo info = query.get(n); 4445 String packageName = info.activityInfo.packageName; 4446 PackageSetting ps = mSettings.mPackages.get(packageName); 4447 if (ps != null) { 4448 // Try to get the status from User settings first 4449 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4450 int status = (int) (packedStatus >> 32); 4451 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4452 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4453 hasAlwaysHandler = true; 4454 break; 4455 } 4456 } 4457 } 4458 } 4459 4460 // Only consider installing an ephemeral app if there isn't already a verified handler. 4461 // We've determined that there's an ephemeral app available for the URI, ignore any 4462 // ResolveInfo's and just return the ephemeral installer 4463 if (!hasAlwaysHandler && isEphemeralAvailable(intent, resolvedType, userId)) { 4464 if (DEBUG_EPHEMERAL) { 4465 Slog.v(TAG, "Resolving to the ephemeral installer"); 4466 } 4467 // ditch the result and return a ResolveInfo to launch the ephemeral installer 4468 ResolveInfo ri = new ResolveInfo(mEphemeralInstallerInfo); 4469 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4470 // make a deep copy of the applicationInfo 4471 ri.activityInfo.applicationInfo = new ApplicationInfo( 4472 ri.activityInfo.applicationInfo); 4473 if (userId != 0) { 4474 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4475 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4476 } 4477 return ri; 4478 } 4479 } 4480 if (query != null) { 4481 final int N = query.size(); 4482 if (N == 1) { 4483 return query.get(0); 4484 } else if (N > 1) { 4485 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4486 // If there is more than one activity with the same priority, 4487 // then let the user decide between them. 4488 ResolveInfo r0 = query.get(0); 4489 ResolveInfo r1 = query.get(1); 4490 if (DEBUG_INTENT_MATCHING || debug) { 4491 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4492 + r1.activityInfo.name + "=" + r1.priority); 4493 } 4494 // If the first activity has a higher priority, or a different 4495 // default, then it is always desireable to pick it. 4496 if (r0.priority != r1.priority 4497 || r0.preferredOrder != r1.preferredOrder 4498 || r0.isDefault != r1.isDefault) { 4499 return query.get(0); 4500 } 4501 // If we have saved a preference for a preferred activity for 4502 // this Intent, use that. 4503 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4504 flags, query, r0.priority, true, false, debug, userId); 4505 if (ri != null) { 4506 return ri; 4507 } 4508 ri = new ResolveInfo(mResolveInfo); 4509 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4510 ri.activityInfo.applicationInfo = new ApplicationInfo( 4511 ri.activityInfo.applicationInfo); 4512 if (userId != 0) { 4513 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4514 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4515 } 4516 // Make sure that the resolver is displayable in car mode 4517 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4518 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4519 return ri; 4520 } 4521 } 4522 return null; 4523 } 4524 4525 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4526 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4527 final int N = query.size(); 4528 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4529 .get(userId); 4530 // Get the list of persistent preferred activities that handle the intent 4531 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4532 List<PersistentPreferredActivity> pprefs = ppir != null 4533 ? ppir.queryIntent(intent, resolvedType, 4534 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4535 : null; 4536 if (pprefs != null && pprefs.size() > 0) { 4537 final int M = pprefs.size(); 4538 for (int i=0; i<M; i++) { 4539 final PersistentPreferredActivity ppa = pprefs.get(i); 4540 if (DEBUG_PREFERRED || debug) { 4541 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4542 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4543 + "\n component=" + ppa.mComponent); 4544 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4545 } 4546 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4547 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4548 if (DEBUG_PREFERRED || debug) { 4549 Slog.v(TAG, "Found persistent preferred activity:"); 4550 if (ai != null) { 4551 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4552 } else { 4553 Slog.v(TAG, " null"); 4554 } 4555 } 4556 if (ai == null) { 4557 // This previously registered persistent preferred activity 4558 // component is no longer known. Ignore it and do NOT remove it. 4559 continue; 4560 } 4561 for (int j=0; j<N; j++) { 4562 final ResolveInfo ri = query.get(j); 4563 if (!ri.activityInfo.applicationInfo.packageName 4564 .equals(ai.applicationInfo.packageName)) { 4565 continue; 4566 } 4567 if (!ri.activityInfo.name.equals(ai.name)) { 4568 continue; 4569 } 4570 // Found a persistent preference that can handle the intent. 4571 if (DEBUG_PREFERRED || debug) { 4572 Slog.v(TAG, "Returning persistent preferred activity: " + 4573 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4574 } 4575 return ri; 4576 } 4577 } 4578 } 4579 return null; 4580 } 4581 4582 // TODO: handle preferred activities missing while user has amnesia 4583 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4584 List<ResolveInfo> query, int priority, boolean always, 4585 boolean removeMatches, boolean debug, int userId) { 4586 if (!sUserManager.exists(userId)) return null; 4587 flags = augmentFlagsForUser(flags, userId); 4588 // writer 4589 synchronized (mPackages) { 4590 if (intent.getSelector() != null) { 4591 intent = intent.getSelector(); 4592 } 4593 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4594 4595 // Try to find a matching persistent preferred activity. 4596 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4597 debug, userId); 4598 4599 // If a persistent preferred activity matched, use it. 4600 if (pri != null) { 4601 return pri; 4602 } 4603 4604 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4605 // Get the list of preferred activities that handle the intent 4606 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4607 List<PreferredActivity> prefs = pir != null 4608 ? pir.queryIntent(intent, resolvedType, 4609 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4610 : null; 4611 if (prefs != null && prefs.size() > 0) { 4612 boolean changed = false; 4613 try { 4614 // First figure out how good the original match set is. 4615 // We will only allow preferred activities that came 4616 // from the same match quality. 4617 int match = 0; 4618 4619 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4620 4621 final int N = query.size(); 4622 for (int j=0; j<N; j++) { 4623 final ResolveInfo ri = query.get(j); 4624 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4625 + ": 0x" + Integer.toHexString(match)); 4626 if (ri.match > match) { 4627 match = ri.match; 4628 } 4629 } 4630 4631 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4632 + Integer.toHexString(match)); 4633 4634 match &= IntentFilter.MATCH_CATEGORY_MASK; 4635 final int M = prefs.size(); 4636 for (int i=0; i<M; i++) { 4637 final PreferredActivity pa = prefs.get(i); 4638 if (DEBUG_PREFERRED || debug) { 4639 Slog.v(TAG, "Checking PreferredActivity ds=" 4640 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4641 + "\n component=" + pa.mPref.mComponent); 4642 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4643 } 4644 if (pa.mPref.mMatch != match) { 4645 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4646 + Integer.toHexString(pa.mPref.mMatch)); 4647 continue; 4648 } 4649 // If it's not an "always" type preferred activity and that's what we're 4650 // looking for, skip it. 4651 if (always && !pa.mPref.mAlways) { 4652 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4653 continue; 4654 } 4655 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4656 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4657 if (DEBUG_PREFERRED || debug) { 4658 Slog.v(TAG, "Found preferred activity:"); 4659 if (ai != null) { 4660 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4661 } else { 4662 Slog.v(TAG, " null"); 4663 } 4664 } 4665 if (ai == null) { 4666 // This previously registered preferred activity 4667 // component is no longer known. Most likely an update 4668 // to the app was installed and in the new version this 4669 // component no longer exists. Clean it up by removing 4670 // it from the preferred activities list, and skip it. 4671 Slog.w(TAG, "Removing dangling preferred activity: " 4672 + pa.mPref.mComponent); 4673 pir.removeFilter(pa); 4674 changed = true; 4675 continue; 4676 } 4677 for (int j=0; j<N; j++) { 4678 final ResolveInfo ri = query.get(j); 4679 if (!ri.activityInfo.applicationInfo.packageName 4680 .equals(ai.applicationInfo.packageName)) { 4681 continue; 4682 } 4683 if (!ri.activityInfo.name.equals(ai.name)) { 4684 continue; 4685 } 4686 4687 if (removeMatches) { 4688 pir.removeFilter(pa); 4689 changed = true; 4690 if (DEBUG_PREFERRED) { 4691 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4692 } 4693 break; 4694 } 4695 4696 // Okay we found a previously set preferred or last chosen app. 4697 // If the result set is different from when this 4698 // was created, we need to clear it and re-ask the 4699 // user their preference, if we're looking for an "always" type entry. 4700 if (always && !pa.mPref.sameSet(query)) { 4701 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4702 + intent + " type " + resolvedType); 4703 if (DEBUG_PREFERRED) { 4704 Slog.v(TAG, "Removing preferred activity since set changed " 4705 + pa.mPref.mComponent); 4706 } 4707 pir.removeFilter(pa); 4708 // Re-add the filter as a "last chosen" entry (!always) 4709 PreferredActivity lastChosen = new PreferredActivity( 4710 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4711 pir.addFilter(lastChosen); 4712 changed = true; 4713 return null; 4714 } 4715 4716 // Yay! Either the set matched or we're looking for the last chosen 4717 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4718 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4719 return ri; 4720 } 4721 } 4722 } finally { 4723 if (changed) { 4724 if (DEBUG_PREFERRED) { 4725 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4726 } 4727 scheduleWritePackageRestrictionsLocked(userId); 4728 } 4729 } 4730 } 4731 } 4732 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4733 return null; 4734 } 4735 4736 /* 4737 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4738 */ 4739 @Override 4740 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4741 int targetUserId) { 4742 mContext.enforceCallingOrSelfPermission( 4743 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4744 List<CrossProfileIntentFilter> matches = 4745 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4746 if (matches != null) { 4747 int size = matches.size(); 4748 for (int i = 0; i < size; i++) { 4749 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4750 } 4751 } 4752 if (hasWebURI(intent)) { 4753 // cross-profile app linking works only towards the parent. 4754 final UserInfo parent = getProfileParent(sourceUserId); 4755 synchronized(mPackages) { 4756 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4757 intent, resolvedType, 0, sourceUserId, parent.id); 4758 return xpDomainInfo != null; 4759 } 4760 } 4761 return false; 4762 } 4763 4764 private UserInfo getProfileParent(int userId) { 4765 final long identity = Binder.clearCallingIdentity(); 4766 try { 4767 return sUserManager.getProfileParent(userId); 4768 } finally { 4769 Binder.restoreCallingIdentity(identity); 4770 } 4771 } 4772 4773 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4774 String resolvedType, int userId) { 4775 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4776 if (resolver != null) { 4777 return resolver.queryIntent(intent, resolvedType, false, userId); 4778 } 4779 return null; 4780 } 4781 4782 @Override 4783 public List<ResolveInfo> queryIntentActivities(Intent intent, 4784 String resolvedType, int flags, int userId) { 4785 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4786 flags = augmentFlagsForUser(flags, userId); 4787 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4788 ComponentName comp = intent.getComponent(); 4789 if (comp == null) { 4790 if (intent.getSelector() != null) { 4791 intent = intent.getSelector(); 4792 comp = intent.getComponent(); 4793 } 4794 } 4795 4796 if (comp != null) { 4797 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4798 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4799 if (ai != null) { 4800 final ResolveInfo ri = new ResolveInfo(); 4801 ri.activityInfo = ai; 4802 list.add(ri); 4803 } 4804 return list; 4805 } 4806 4807 // reader 4808 synchronized (mPackages) { 4809 final String pkgName = intent.getPackage(); 4810 if (pkgName == null) { 4811 List<CrossProfileIntentFilter> matchingFilters = 4812 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4813 // Check for results that need to skip the current profile. 4814 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4815 resolvedType, flags, userId); 4816 if (xpResolveInfo != null) { 4817 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4818 result.add(xpResolveInfo); 4819 return filterIfNotSystemUser(result, userId); 4820 } 4821 4822 // Check for results in the current profile. 4823 List<ResolveInfo> result = mActivities.queryIntent( 4824 intent, resolvedType, flags, userId); 4825 4826 // Check for cross profile results. 4827 xpResolveInfo = queryCrossProfileIntents( 4828 matchingFilters, intent, resolvedType, flags, userId); 4829 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4830 result.add(xpResolveInfo); 4831 Collections.sort(result, mResolvePrioritySorter); 4832 } 4833 result = filterIfNotSystemUser(result, userId); 4834 if (hasWebURI(intent)) { 4835 CrossProfileDomainInfo xpDomainInfo = null; 4836 final UserInfo parent = getProfileParent(userId); 4837 if (parent != null) { 4838 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4839 flags, userId, parent.id); 4840 } 4841 if (xpDomainInfo != null) { 4842 if (xpResolveInfo != null) { 4843 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4844 // in the result. 4845 result.remove(xpResolveInfo); 4846 } 4847 if (result.size() == 0) { 4848 result.add(xpDomainInfo.resolveInfo); 4849 return result; 4850 } 4851 } else if (result.size() <= 1) { 4852 return result; 4853 } 4854 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4855 xpDomainInfo, userId); 4856 Collections.sort(result, mResolvePrioritySorter); 4857 } 4858 return result; 4859 } 4860 final PackageParser.Package pkg = mPackages.get(pkgName); 4861 if (pkg != null) { 4862 return filterIfNotSystemUser( 4863 mActivities.queryIntentForPackage( 4864 intent, resolvedType, flags, pkg.activities, userId), 4865 userId); 4866 } 4867 return new ArrayList<ResolveInfo>(); 4868 } 4869 } 4870 4871 private static class CrossProfileDomainInfo { 4872 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4873 ResolveInfo resolveInfo; 4874 /* Best domain verification status of the activities found in the other profile */ 4875 int bestDomainVerificationStatus; 4876 } 4877 4878 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4879 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4880 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4881 sourceUserId)) { 4882 return null; 4883 } 4884 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4885 resolvedType, flags, parentUserId); 4886 4887 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4888 return null; 4889 } 4890 CrossProfileDomainInfo result = null; 4891 int size = resultTargetUser.size(); 4892 for (int i = 0; i < size; i++) { 4893 ResolveInfo riTargetUser = resultTargetUser.get(i); 4894 // Intent filter verification is only for filters that specify a host. So don't return 4895 // those that handle all web uris. 4896 if (riTargetUser.handleAllWebDataURI) { 4897 continue; 4898 } 4899 String packageName = riTargetUser.activityInfo.packageName; 4900 PackageSetting ps = mSettings.mPackages.get(packageName); 4901 if (ps == null) { 4902 continue; 4903 } 4904 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 4905 int status = (int)(verificationState >> 32); 4906 if (result == null) { 4907 result = new CrossProfileDomainInfo(); 4908 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 4909 sourceUserId, parentUserId); 4910 result.bestDomainVerificationStatus = status; 4911 } else { 4912 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 4913 result.bestDomainVerificationStatus); 4914 } 4915 } 4916 // Don't consider matches with status NEVER across profiles. 4917 if (result != null && result.bestDomainVerificationStatus 4918 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4919 return null; 4920 } 4921 return result; 4922 } 4923 4924 /** 4925 * Verification statuses are ordered from the worse to the best, except for 4926 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 4927 */ 4928 private int bestDomainVerificationStatus(int status1, int status2) { 4929 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4930 return status2; 4931 } 4932 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4933 return status1; 4934 } 4935 return (int) MathUtils.max(status1, status2); 4936 } 4937 4938 private boolean isUserEnabled(int userId) { 4939 long callingId = Binder.clearCallingIdentity(); 4940 try { 4941 UserInfo userInfo = sUserManager.getUserInfo(userId); 4942 return userInfo != null && userInfo.isEnabled(); 4943 } finally { 4944 Binder.restoreCallingIdentity(callingId); 4945 } 4946 } 4947 4948 /** 4949 * Filter out activities with systemUserOnly flag set, when current user is not System. 4950 * 4951 * @return filtered list 4952 */ 4953 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 4954 if (userId == UserHandle.USER_SYSTEM) { 4955 return resolveInfos; 4956 } 4957 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 4958 ResolveInfo info = resolveInfos.get(i); 4959 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 4960 resolveInfos.remove(i); 4961 } 4962 } 4963 return resolveInfos; 4964 } 4965 4966 private static boolean hasWebURI(Intent intent) { 4967 if (intent.getData() == null) { 4968 return false; 4969 } 4970 final String scheme = intent.getScheme(); 4971 if (TextUtils.isEmpty(scheme)) { 4972 return false; 4973 } 4974 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 4975 } 4976 4977 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 4978 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 4979 int userId) { 4980 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 4981 4982 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4983 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 4984 candidates.size()); 4985 } 4986 4987 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 4988 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 4989 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 4990 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 4991 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 4992 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 4993 4994 synchronized (mPackages) { 4995 final int count = candidates.size(); 4996 // First, try to use linked apps. Partition the candidates into four lists: 4997 // one for the final results, one for the "do not use ever", one for "undefined status" 4998 // and finally one for "browser app type". 4999 for (int n=0; n<count; n++) { 5000 ResolveInfo info = candidates.get(n); 5001 String packageName = info.activityInfo.packageName; 5002 PackageSetting ps = mSettings.mPackages.get(packageName); 5003 if (ps != null) { 5004 // Add to the special match all list (Browser use case) 5005 if (info.handleAllWebDataURI) { 5006 matchAllList.add(info); 5007 continue; 5008 } 5009 // Try to get the status from User settings first 5010 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5011 int status = (int)(packedStatus >> 32); 5012 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5013 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5014 if (DEBUG_DOMAIN_VERIFICATION) { 5015 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5016 + " : linkgen=" + linkGeneration); 5017 } 5018 // Use link-enabled generation as preferredOrder, i.e. 5019 // prefer newly-enabled over earlier-enabled. 5020 info.preferredOrder = linkGeneration; 5021 alwaysList.add(info); 5022 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5023 if (DEBUG_DOMAIN_VERIFICATION) { 5024 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5025 } 5026 neverList.add(info); 5027 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5028 if (DEBUG_DOMAIN_VERIFICATION) { 5029 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5030 } 5031 alwaysAskList.add(info); 5032 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5033 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5034 if (DEBUG_DOMAIN_VERIFICATION) { 5035 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5036 } 5037 undefinedList.add(info); 5038 } 5039 } 5040 } 5041 5042 // We'll want to include browser possibilities in a few cases 5043 boolean includeBrowser = false; 5044 5045 // First try to add the "always" resolution(s) for the current user, if any 5046 if (alwaysList.size() > 0) { 5047 result.addAll(alwaysList); 5048 } else { 5049 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5050 result.addAll(undefinedList); 5051 // Maybe add one for the other profile. 5052 if (xpDomainInfo != null && ( 5053 xpDomainInfo.bestDomainVerificationStatus 5054 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5055 result.add(xpDomainInfo.resolveInfo); 5056 } 5057 includeBrowser = true; 5058 } 5059 5060 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5061 // If there were 'always' entries their preferred order has been set, so we also 5062 // back that off to make the alternatives equivalent 5063 if (alwaysAskList.size() > 0) { 5064 for (ResolveInfo i : result) { 5065 i.preferredOrder = 0; 5066 } 5067 result.addAll(alwaysAskList); 5068 includeBrowser = true; 5069 } 5070 5071 if (includeBrowser) { 5072 // Also add browsers (all of them or only the default one) 5073 if (DEBUG_DOMAIN_VERIFICATION) { 5074 Slog.v(TAG, " ...including browsers in candidate set"); 5075 } 5076 if ((matchFlags & MATCH_ALL) != 0) { 5077 result.addAll(matchAllList); 5078 } else { 5079 // Browser/generic handling case. If there's a default browser, go straight 5080 // to that (but only if there is no other higher-priority match). 5081 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5082 int maxMatchPrio = 0; 5083 ResolveInfo defaultBrowserMatch = null; 5084 final int numCandidates = matchAllList.size(); 5085 for (int n = 0; n < numCandidates; n++) { 5086 ResolveInfo info = matchAllList.get(n); 5087 // track the highest overall match priority... 5088 if (info.priority > maxMatchPrio) { 5089 maxMatchPrio = info.priority; 5090 } 5091 // ...and the highest-priority default browser match 5092 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5093 if (defaultBrowserMatch == null 5094 || (defaultBrowserMatch.priority < info.priority)) { 5095 if (debug) { 5096 Slog.v(TAG, "Considering default browser match " + info); 5097 } 5098 defaultBrowserMatch = info; 5099 } 5100 } 5101 } 5102 if (defaultBrowserMatch != null 5103 && defaultBrowserMatch.priority >= maxMatchPrio 5104 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5105 { 5106 if (debug) { 5107 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5108 } 5109 result.add(defaultBrowserMatch); 5110 } else { 5111 result.addAll(matchAllList); 5112 } 5113 } 5114 5115 // If there is nothing selected, add all candidates and remove the ones that the user 5116 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5117 if (result.size() == 0) { 5118 result.addAll(candidates); 5119 result.removeAll(neverList); 5120 } 5121 } 5122 } 5123 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5124 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5125 result.size()); 5126 for (ResolveInfo info : result) { 5127 Slog.v(TAG, " + " + info.activityInfo); 5128 } 5129 } 5130 return result; 5131 } 5132 5133 // Returns a packed value as a long: 5134 // 5135 // high 'int'-sized word: link status: undefined/ask/never/always. 5136 // low 'int'-sized word: relative priority among 'always' results. 5137 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5138 long result = ps.getDomainVerificationStatusForUser(userId); 5139 // if none available, get the master status 5140 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5141 if (ps.getIntentFilterVerificationInfo() != null) { 5142 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5143 } 5144 } 5145 return result; 5146 } 5147 5148 private ResolveInfo querySkipCurrentProfileIntents( 5149 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5150 int flags, int sourceUserId) { 5151 if (matchingFilters != null) { 5152 int size = matchingFilters.size(); 5153 for (int i = 0; i < size; i ++) { 5154 CrossProfileIntentFilter filter = matchingFilters.get(i); 5155 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5156 // Checking if there are activities in the target user that can handle the 5157 // intent. 5158 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5159 resolvedType, flags, sourceUserId); 5160 if (resolveInfo != null) { 5161 return resolveInfo; 5162 } 5163 } 5164 } 5165 } 5166 return null; 5167 } 5168 5169 // Return matching ResolveInfo if any for skip current profile intent filters. 5170 private ResolveInfo queryCrossProfileIntents( 5171 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5172 int flags, int sourceUserId) { 5173 if (matchingFilters != null) { 5174 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5175 // match the same intent. For performance reasons, it is better not to 5176 // run queryIntent twice for the same userId 5177 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5178 int size = matchingFilters.size(); 5179 for (int i = 0; i < size; i++) { 5180 CrossProfileIntentFilter filter = matchingFilters.get(i); 5181 int targetUserId = filter.getTargetUserId(); 5182 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 5183 && !alreadyTriedUserIds.get(targetUserId)) { 5184 // Checking if there are activities in the target user that can handle the 5185 // intent. 5186 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5187 resolvedType, flags, sourceUserId); 5188 if (resolveInfo != null) return resolveInfo; 5189 alreadyTriedUserIds.put(targetUserId, true); 5190 } 5191 } 5192 } 5193 return null; 5194 } 5195 5196 /** 5197 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5198 * will forward the intent to the filter's target user. 5199 * Otherwise, returns null. 5200 */ 5201 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5202 String resolvedType, int flags, int sourceUserId) { 5203 int targetUserId = filter.getTargetUserId(); 5204 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5205 resolvedType, flags, targetUserId); 5206 if (resultTargetUser != null && !resultTargetUser.isEmpty() 5207 && isUserEnabled(targetUserId)) { 5208 return createForwardingResolveInfoUnchecked(filter, sourceUserId, targetUserId); 5209 } 5210 return null; 5211 } 5212 5213 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5214 int sourceUserId, int targetUserId) { 5215 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5216 long ident = Binder.clearCallingIdentity(); 5217 boolean targetIsProfile; 5218 try { 5219 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5220 } finally { 5221 Binder.restoreCallingIdentity(ident); 5222 } 5223 String className; 5224 if (targetIsProfile) { 5225 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5226 } else { 5227 className = FORWARD_INTENT_TO_PARENT; 5228 } 5229 ComponentName forwardingActivityComponentName = new ComponentName( 5230 mAndroidApplication.packageName, className); 5231 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5232 sourceUserId); 5233 if (!targetIsProfile) { 5234 forwardingActivityInfo.showUserIcon = targetUserId; 5235 forwardingResolveInfo.noResourceId = true; 5236 } 5237 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5238 forwardingResolveInfo.priority = 0; 5239 forwardingResolveInfo.preferredOrder = 0; 5240 forwardingResolveInfo.match = 0; 5241 forwardingResolveInfo.isDefault = true; 5242 forwardingResolveInfo.filter = filter; 5243 forwardingResolveInfo.targetUserId = targetUserId; 5244 return forwardingResolveInfo; 5245 } 5246 5247 @Override 5248 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5249 Intent[] specifics, String[] specificTypes, Intent intent, 5250 String resolvedType, int flags, int userId) { 5251 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5252 flags = augmentFlagsForUser(flags, userId); 5253 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5254 false, "query intent activity options"); 5255 final String resultsAction = intent.getAction(); 5256 5257 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5258 | PackageManager.GET_RESOLVED_FILTER, userId); 5259 5260 if (DEBUG_INTENT_MATCHING) { 5261 Log.v(TAG, "Query " + intent + ": " + results); 5262 } 5263 5264 int specificsPos = 0; 5265 int N; 5266 5267 // todo: note that the algorithm used here is O(N^2). This 5268 // isn't a problem in our current environment, but if we start running 5269 // into situations where we have more than 5 or 10 matches then this 5270 // should probably be changed to something smarter... 5271 5272 // First we go through and resolve each of the specific items 5273 // that were supplied, taking care of removing any corresponding 5274 // duplicate items in the generic resolve list. 5275 if (specifics != null) { 5276 for (int i=0; i<specifics.length; i++) { 5277 final Intent sintent = specifics[i]; 5278 if (sintent == null) { 5279 continue; 5280 } 5281 5282 if (DEBUG_INTENT_MATCHING) { 5283 Log.v(TAG, "Specific #" + i + ": " + sintent); 5284 } 5285 5286 String action = sintent.getAction(); 5287 if (resultsAction != null && resultsAction.equals(action)) { 5288 // If this action was explicitly requested, then don't 5289 // remove things that have it. 5290 action = null; 5291 } 5292 5293 ResolveInfo ri = null; 5294 ActivityInfo ai = null; 5295 5296 ComponentName comp = sintent.getComponent(); 5297 if (comp == null) { 5298 ri = resolveIntent( 5299 sintent, 5300 specificTypes != null ? specificTypes[i] : null, 5301 flags, userId); 5302 if (ri == null) { 5303 continue; 5304 } 5305 if (ri == mResolveInfo) { 5306 // ACK! Must do something better with this. 5307 } 5308 ai = ri.activityInfo; 5309 comp = new ComponentName(ai.applicationInfo.packageName, 5310 ai.name); 5311 } else { 5312 ai = getActivityInfo(comp, flags, userId); 5313 if (ai == null) { 5314 continue; 5315 } 5316 } 5317 5318 // Look for any generic query activities that are duplicates 5319 // of this specific one, and remove them from the results. 5320 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5321 N = results.size(); 5322 int j; 5323 for (j=specificsPos; j<N; j++) { 5324 ResolveInfo sri = results.get(j); 5325 if ((sri.activityInfo.name.equals(comp.getClassName()) 5326 && sri.activityInfo.applicationInfo.packageName.equals( 5327 comp.getPackageName())) 5328 || (action != null && sri.filter.matchAction(action))) { 5329 results.remove(j); 5330 if (DEBUG_INTENT_MATCHING) Log.v( 5331 TAG, "Removing duplicate item from " + j 5332 + " due to specific " + specificsPos); 5333 if (ri == null) { 5334 ri = sri; 5335 } 5336 j--; 5337 N--; 5338 } 5339 } 5340 5341 // Add this specific item to its proper place. 5342 if (ri == null) { 5343 ri = new ResolveInfo(); 5344 ri.activityInfo = ai; 5345 } 5346 results.add(specificsPos, ri); 5347 ri.specificIndex = i; 5348 specificsPos++; 5349 } 5350 } 5351 5352 // Now we go through the remaining generic results and remove any 5353 // duplicate actions that are found here. 5354 N = results.size(); 5355 for (int i=specificsPos; i<N-1; i++) { 5356 final ResolveInfo rii = results.get(i); 5357 if (rii.filter == null) { 5358 continue; 5359 } 5360 5361 // Iterate over all of the actions of this result's intent 5362 // filter... typically this should be just one. 5363 final Iterator<String> it = rii.filter.actionsIterator(); 5364 if (it == null) { 5365 continue; 5366 } 5367 while (it.hasNext()) { 5368 final String action = it.next(); 5369 if (resultsAction != null && resultsAction.equals(action)) { 5370 // If this action was explicitly requested, then don't 5371 // remove things that have it. 5372 continue; 5373 } 5374 for (int j=i+1; j<N; j++) { 5375 final ResolveInfo rij = results.get(j); 5376 if (rij.filter != null && rij.filter.hasAction(action)) { 5377 results.remove(j); 5378 if (DEBUG_INTENT_MATCHING) Log.v( 5379 TAG, "Removing duplicate item from " + j 5380 + " due to action " + action + " at " + i); 5381 j--; 5382 N--; 5383 } 5384 } 5385 } 5386 5387 // If the caller didn't request filter information, drop it now 5388 // so we don't have to marshall/unmarshall it. 5389 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5390 rii.filter = null; 5391 } 5392 } 5393 5394 // Filter out the caller activity if so requested. 5395 if (caller != null) { 5396 N = results.size(); 5397 for (int i=0; i<N; i++) { 5398 ActivityInfo ainfo = results.get(i).activityInfo; 5399 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5400 && caller.getClassName().equals(ainfo.name)) { 5401 results.remove(i); 5402 break; 5403 } 5404 } 5405 } 5406 5407 // If the caller didn't request filter information, 5408 // drop them now so we don't have to 5409 // marshall/unmarshall it. 5410 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5411 N = results.size(); 5412 for (int i=0; i<N; i++) { 5413 results.get(i).filter = null; 5414 } 5415 } 5416 5417 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5418 return results; 5419 } 5420 5421 @Override 5422 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5423 int userId) { 5424 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5425 flags = augmentFlagsForUser(flags, userId); 5426 ComponentName comp = intent.getComponent(); 5427 if (comp == null) { 5428 if (intent.getSelector() != null) { 5429 intent = intent.getSelector(); 5430 comp = intent.getComponent(); 5431 } 5432 } 5433 if (comp != null) { 5434 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5435 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5436 if (ai != null) { 5437 ResolveInfo ri = new ResolveInfo(); 5438 ri.activityInfo = ai; 5439 list.add(ri); 5440 } 5441 return list; 5442 } 5443 5444 // reader 5445 synchronized (mPackages) { 5446 String pkgName = intent.getPackage(); 5447 if (pkgName == null) { 5448 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5449 } 5450 final PackageParser.Package pkg = mPackages.get(pkgName); 5451 if (pkg != null) { 5452 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5453 userId); 5454 } 5455 return null; 5456 } 5457 } 5458 5459 @Override 5460 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5461 if (!sUserManager.exists(userId)) return null; 5462 flags = augmentFlagsForUser(flags, userId); 5463 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5464 if (query != null) { 5465 if (query.size() >= 1) { 5466 // If there is more than one service with the same priority, 5467 // just arbitrarily pick the first one. 5468 return query.get(0); 5469 } 5470 } 5471 return null; 5472 } 5473 5474 @Override 5475 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5476 int userId) { 5477 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5478 flags = augmentFlagsForUser(flags, userId); 5479 ComponentName comp = intent.getComponent(); 5480 if (comp == null) { 5481 if (intent.getSelector() != null) { 5482 intent = intent.getSelector(); 5483 comp = intent.getComponent(); 5484 } 5485 } 5486 if (comp != null) { 5487 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5488 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5489 if (si != null) { 5490 final ResolveInfo ri = new ResolveInfo(); 5491 ri.serviceInfo = si; 5492 list.add(ri); 5493 } 5494 return list; 5495 } 5496 5497 // reader 5498 synchronized (mPackages) { 5499 String pkgName = intent.getPackage(); 5500 if (pkgName == null) { 5501 return mServices.queryIntent(intent, resolvedType, flags, userId); 5502 } 5503 final PackageParser.Package pkg = mPackages.get(pkgName); 5504 if (pkg != null) { 5505 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5506 userId); 5507 } 5508 return null; 5509 } 5510 } 5511 5512 @Override 5513 public List<ResolveInfo> queryIntentContentProviders( 5514 Intent intent, String resolvedType, int flags, int userId) { 5515 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5516 flags = augmentFlagsForUser(flags, userId); 5517 ComponentName comp = intent.getComponent(); 5518 if (comp == null) { 5519 if (intent.getSelector() != null) { 5520 intent = intent.getSelector(); 5521 comp = intent.getComponent(); 5522 } 5523 } 5524 if (comp != null) { 5525 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5526 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5527 if (pi != null) { 5528 final ResolveInfo ri = new ResolveInfo(); 5529 ri.providerInfo = pi; 5530 list.add(ri); 5531 } 5532 return list; 5533 } 5534 5535 // reader 5536 synchronized (mPackages) { 5537 String pkgName = intent.getPackage(); 5538 if (pkgName == null) { 5539 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5540 } 5541 final PackageParser.Package pkg = mPackages.get(pkgName); 5542 if (pkg != null) { 5543 return mProviders.queryIntentForPackage( 5544 intent, resolvedType, flags, pkg.providers, userId); 5545 } 5546 return null; 5547 } 5548 } 5549 5550 @Override 5551 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5552 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5553 5554 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5555 5556 // writer 5557 synchronized (mPackages) { 5558 ArrayList<PackageInfo> list; 5559 if (listUninstalled) { 5560 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5561 for (PackageSetting ps : mSettings.mPackages.values()) { 5562 PackageInfo pi; 5563 if (ps.pkg != null) { 5564 pi = generatePackageInfo(ps.pkg, flags, userId); 5565 } else { 5566 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5567 } 5568 if (pi != null) { 5569 list.add(pi); 5570 } 5571 } 5572 } else { 5573 list = new ArrayList<PackageInfo>(mPackages.size()); 5574 for (PackageParser.Package p : mPackages.values()) { 5575 PackageInfo pi = generatePackageInfo(p, flags, userId); 5576 if (pi != null) { 5577 list.add(pi); 5578 } 5579 } 5580 } 5581 5582 return new ParceledListSlice<PackageInfo>(list); 5583 } 5584 } 5585 5586 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5587 String[] permissions, boolean[] tmp, int flags, int userId) { 5588 int numMatch = 0; 5589 final PermissionsState permissionsState = ps.getPermissionsState(); 5590 for (int i=0; i<permissions.length; i++) { 5591 final String permission = permissions[i]; 5592 if (permissionsState.hasPermission(permission, userId)) { 5593 tmp[i] = true; 5594 numMatch++; 5595 } else { 5596 tmp[i] = false; 5597 } 5598 } 5599 if (numMatch == 0) { 5600 return; 5601 } 5602 PackageInfo pi; 5603 if (ps.pkg != null) { 5604 pi = generatePackageInfo(ps.pkg, flags, userId); 5605 } else { 5606 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5607 } 5608 // The above might return null in cases of uninstalled apps or install-state 5609 // skew across users/profiles. 5610 if (pi != null) { 5611 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5612 if (numMatch == permissions.length) { 5613 pi.requestedPermissions = permissions; 5614 } else { 5615 pi.requestedPermissions = new String[numMatch]; 5616 numMatch = 0; 5617 for (int i=0; i<permissions.length; i++) { 5618 if (tmp[i]) { 5619 pi.requestedPermissions[numMatch] = permissions[i]; 5620 numMatch++; 5621 } 5622 } 5623 } 5624 } 5625 list.add(pi); 5626 } 5627 } 5628 5629 @Override 5630 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5631 String[] permissions, int flags, int userId) { 5632 if (!sUserManager.exists(userId)) return null; 5633 flags = augmentFlagsForUser(flags, userId); 5634 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5635 5636 // writer 5637 synchronized (mPackages) { 5638 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5639 boolean[] tmpBools = new boolean[permissions.length]; 5640 if (listUninstalled) { 5641 for (PackageSetting ps : mSettings.mPackages.values()) { 5642 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5643 } 5644 } else { 5645 for (PackageParser.Package pkg : mPackages.values()) { 5646 PackageSetting ps = (PackageSetting)pkg.mExtras; 5647 if (ps != null) { 5648 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5649 userId); 5650 } 5651 } 5652 } 5653 5654 return new ParceledListSlice<PackageInfo>(list); 5655 } 5656 } 5657 5658 @Override 5659 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5660 if (!sUserManager.exists(userId)) return null; 5661 flags = augmentFlagsForUser(flags, userId); 5662 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5663 5664 // writer 5665 synchronized (mPackages) { 5666 ArrayList<ApplicationInfo> list; 5667 if (listUninstalled) { 5668 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5669 for (PackageSetting ps : mSettings.mPackages.values()) { 5670 ApplicationInfo ai; 5671 if (ps.pkg != null) { 5672 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5673 ps.readUserState(userId), userId); 5674 } else { 5675 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5676 } 5677 if (ai != null) { 5678 list.add(ai); 5679 } 5680 } 5681 } else { 5682 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5683 for (PackageParser.Package p : mPackages.values()) { 5684 if (p.mExtras != null) { 5685 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5686 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5687 if (ai != null) { 5688 list.add(ai); 5689 } 5690 } 5691 } 5692 } 5693 5694 return new ParceledListSlice<ApplicationInfo>(list); 5695 } 5696 } 5697 5698 public List<ApplicationInfo> getPersistentApplications(int flags) { 5699 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5700 5701 // reader 5702 synchronized (mPackages) { 5703 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5704 final int userId = UserHandle.getCallingUserId(); 5705 while (i.hasNext()) { 5706 final PackageParser.Package p = i.next(); 5707 if (p.applicationInfo != null 5708 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5709 && (!mSafeMode || isSystemApp(p))) { 5710 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5711 if (ps != null) { 5712 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5713 ps.readUserState(userId), userId); 5714 if (ai != null) { 5715 finalList.add(ai); 5716 } 5717 } 5718 } 5719 } 5720 } 5721 5722 return finalList; 5723 } 5724 5725 @Override 5726 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5727 if (!sUserManager.exists(userId)) return null; 5728 flags = augmentFlagsForUser(flags, userId); 5729 // reader 5730 synchronized (mPackages) { 5731 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5732 PackageSetting ps = provider != null 5733 ? mSettings.mPackages.get(provider.owner.packageName) 5734 : null; 5735 return ps != null 5736 && mSettings.isEnabledAndVisibleLPr(provider.info, flags, userId) 5737 && (!mSafeMode || (provider.info.applicationInfo.flags 5738 &ApplicationInfo.FLAG_SYSTEM) != 0) 5739 ? PackageParser.generateProviderInfo(provider, flags, 5740 ps.readUserState(userId), userId) 5741 : null; 5742 } 5743 } 5744 5745 /** 5746 * @deprecated 5747 */ 5748 @Deprecated 5749 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5750 // reader 5751 synchronized (mPackages) { 5752 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5753 .entrySet().iterator(); 5754 final int userId = UserHandle.getCallingUserId(); 5755 while (i.hasNext()) { 5756 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5757 PackageParser.Provider p = entry.getValue(); 5758 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5759 5760 if (ps != null && p.syncable 5761 && (!mSafeMode || (p.info.applicationInfo.flags 5762 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5763 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5764 ps.readUserState(userId), userId); 5765 if (info != null) { 5766 outNames.add(entry.getKey()); 5767 outInfo.add(info); 5768 } 5769 } 5770 } 5771 } 5772 } 5773 5774 @Override 5775 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5776 int uid, int flags) { 5777 final int userId = processName != null ? UserHandle.getUserId(uid) 5778 : UserHandle.getCallingUserId(); 5779 if (!sUserManager.exists(userId)) return null; 5780 flags = augmentFlagsForUser(flags, userId); 5781 5782 ArrayList<ProviderInfo> finalList = null; 5783 // reader 5784 synchronized (mPackages) { 5785 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5786 while (i.hasNext()) { 5787 final PackageParser.Provider p = i.next(); 5788 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5789 if (ps != null && p.info.authority != null 5790 && (processName == null 5791 || (p.info.processName.equals(processName) 5792 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5793 && mSettings.isEnabledAndVisibleLPr(p.info, flags, userId) 5794 && (!mSafeMode 5795 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5796 if (finalList == null) { 5797 finalList = new ArrayList<ProviderInfo>(3); 5798 } 5799 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5800 ps.readUserState(userId), userId); 5801 if (info != null) { 5802 finalList.add(info); 5803 } 5804 } 5805 } 5806 } 5807 5808 if (finalList != null) { 5809 Collections.sort(finalList, mProviderInitOrderSorter); 5810 return new ParceledListSlice<ProviderInfo>(finalList); 5811 } 5812 5813 return null; 5814 } 5815 5816 @Override 5817 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 5818 int flags) { 5819 // reader 5820 synchronized (mPackages) { 5821 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5822 return PackageParser.generateInstrumentationInfo(i, flags); 5823 } 5824 } 5825 5826 @Override 5827 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 5828 int flags) { 5829 ArrayList<InstrumentationInfo> finalList = 5830 new ArrayList<InstrumentationInfo>(); 5831 5832 // reader 5833 synchronized (mPackages) { 5834 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 5835 while (i.hasNext()) { 5836 final PackageParser.Instrumentation p = i.next(); 5837 if (targetPackage == null 5838 || targetPackage.equals(p.info.targetPackage)) { 5839 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 5840 flags); 5841 if (ii != null) { 5842 finalList.add(ii); 5843 } 5844 } 5845 } 5846 } 5847 5848 return finalList; 5849 } 5850 5851 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 5852 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 5853 if (overlays == null) { 5854 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 5855 return; 5856 } 5857 for (PackageParser.Package opkg : overlays.values()) { 5858 // Not much to do if idmap fails: we already logged the error 5859 // and we certainly don't want to abort installation of pkg simply 5860 // because an overlay didn't fit properly. For these reasons, 5861 // ignore the return value of createIdmapForPackagePairLI. 5862 createIdmapForPackagePairLI(pkg, opkg); 5863 } 5864 } 5865 5866 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 5867 PackageParser.Package opkg) { 5868 if (!opkg.mTrustedOverlay) { 5869 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 5870 opkg.baseCodePath + ": overlay not trusted"); 5871 return false; 5872 } 5873 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 5874 if (overlaySet == null) { 5875 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 5876 opkg.baseCodePath + " but target package has no known overlays"); 5877 return false; 5878 } 5879 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 5880 // TODO: generate idmap for split APKs 5881 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 5882 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 5883 + opkg.baseCodePath); 5884 return false; 5885 } 5886 PackageParser.Package[] overlayArray = 5887 overlaySet.values().toArray(new PackageParser.Package[0]); 5888 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 5889 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 5890 return p1.mOverlayPriority - p2.mOverlayPriority; 5891 } 5892 }; 5893 Arrays.sort(overlayArray, cmp); 5894 5895 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 5896 int i = 0; 5897 for (PackageParser.Package p : overlayArray) { 5898 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 5899 } 5900 return true; 5901 } 5902 5903 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5904 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 5905 try { 5906 scanDirLI(dir, parseFlags, scanFlags, currentTime); 5907 } finally { 5908 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5909 } 5910 } 5911 5912 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5913 final File[] files = dir.listFiles(); 5914 if (ArrayUtils.isEmpty(files)) { 5915 Log.d(TAG, "No files in app dir " + dir); 5916 return; 5917 } 5918 5919 if (DEBUG_PACKAGE_SCANNING) { 5920 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 5921 + " flags=0x" + Integer.toHexString(parseFlags)); 5922 } 5923 5924 for (File file : files) { 5925 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 5926 && !PackageInstallerService.isStageName(file.getName()); 5927 if (!isPackage) { 5928 // Ignore entries which are not packages 5929 continue; 5930 } 5931 try { 5932 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 5933 scanFlags, currentTime, null); 5934 } catch (PackageManagerException e) { 5935 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 5936 5937 // Delete invalid userdata apps 5938 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 5939 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 5940 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 5941 if (file.isDirectory()) { 5942 mInstaller.rmPackageDir(file.getAbsolutePath()); 5943 } else { 5944 file.delete(); 5945 } 5946 } 5947 } 5948 } 5949 } 5950 5951 private static File getSettingsProblemFile() { 5952 File dataDir = Environment.getDataDirectory(); 5953 File systemDir = new File(dataDir, "system"); 5954 File fname = new File(systemDir, "uiderrors.txt"); 5955 return fname; 5956 } 5957 5958 static void reportSettingsProblem(int priority, String msg) { 5959 logCriticalInfo(priority, msg); 5960 } 5961 5962 static void logCriticalInfo(int priority, String msg) { 5963 Slog.println(priority, TAG, msg); 5964 EventLogTags.writePmCriticalInfo(msg); 5965 try { 5966 File fname = getSettingsProblemFile(); 5967 FileOutputStream out = new FileOutputStream(fname, true); 5968 PrintWriter pw = new FastPrintWriter(out); 5969 SimpleDateFormat formatter = new SimpleDateFormat(); 5970 String dateString = formatter.format(new Date(System.currentTimeMillis())); 5971 pw.println(dateString + ": " + msg); 5972 pw.close(); 5973 FileUtils.setPermissions( 5974 fname.toString(), 5975 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 5976 -1, -1); 5977 } catch (java.io.IOException e) { 5978 } 5979 } 5980 5981 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 5982 PackageParser.Package pkg, File srcFile, int parseFlags) 5983 throws PackageManagerException { 5984 if (ps != null 5985 && ps.codePath.equals(srcFile) 5986 && ps.timeStamp == srcFile.lastModified() 5987 && !isCompatSignatureUpdateNeeded(pkg) 5988 && !isRecoverSignatureUpdateNeeded(pkg)) { 5989 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 5990 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5991 ArraySet<PublicKey> signingKs; 5992 synchronized (mPackages) { 5993 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 5994 } 5995 if (ps.signatures.mSignatures != null 5996 && ps.signatures.mSignatures.length != 0 5997 && signingKs != null) { 5998 // Optimization: reuse the existing cached certificates 5999 // if the package appears to be unchanged. 6000 pkg.mSignatures = ps.signatures.mSignatures; 6001 pkg.mSigningKeys = signingKs; 6002 return; 6003 } 6004 6005 Slog.w(TAG, "PackageSetting for " + ps.name 6006 + " is missing signatures. Collecting certs again to recover them."); 6007 } else { 6008 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6009 } 6010 6011 try { 6012 pp.collectCertificates(pkg, parseFlags); 6013 pp.collectManifestDigest(pkg); 6014 } catch (PackageParserException e) { 6015 throw PackageManagerException.from(e); 6016 } 6017 } 6018 6019 /** 6020 * Traces a package scan. 6021 * @see #scanPackageLI(File, int, int, long, UserHandle) 6022 */ 6023 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6024 long currentTime, UserHandle user) throws PackageManagerException { 6025 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6026 try { 6027 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6028 } finally { 6029 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6030 } 6031 } 6032 6033 /** 6034 * Scans a package and returns the newly parsed package. 6035 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6036 */ 6037 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6038 long currentTime, UserHandle user) throws PackageManagerException { 6039 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6040 parseFlags |= mDefParseFlags; 6041 PackageParser pp = new PackageParser(); 6042 pp.setSeparateProcesses(mSeparateProcesses); 6043 pp.setOnlyCoreApps(mOnlyCore); 6044 pp.setDisplayMetrics(mMetrics); 6045 6046 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6047 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6048 } 6049 6050 final PackageParser.Package pkg; 6051 try { 6052 pkg = pp.parsePackage(scanFile, parseFlags); 6053 } catch (PackageParserException e) { 6054 throw PackageManagerException.from(e); 6055 } 6056 6057 PackageSetting ps = null; 6058 PackageSetting updatedPkg; 6059 // reader 6060 synchronized (mPackages) { 6061 // Look to see if we already know about this package. 6062 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6063 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6064 // This package has been renamed to its original name. Let's 6065 // use that. 6066 ps = mSettings.peekPackageLPr(oldName); 6067 } 6068 // If there was no original package, see one for the real package name. 6069 if (ps == null) { 6070 ps = mSettings.peekPackageLPr(pkg.packageName); 6071 } 6072 // Check to see if this package could be hiding/updating a system 6073 // package. Must look for it either under the original or real 6074 // package name depending on our state. 6075 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6076 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6077 } 6078 boolean updatedPkgBetter = false; 6079 // First check if this is a system package that may involve an update 6080 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6081 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6082 // it needs to drop FLAG_PRIVILEGED. 6083 if (locationIsPrivileged(scanFile)) { 6084 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6085 } else { 6086 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6087 } 6088 6089 if (ps != null && !ps.codePath.equals(scanFile)) { 6090 // The path has changed from what was last scanned... check the 6091 // version of the new path against what we have stored to determine 6092 // what to do. 6093 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6094 if (pkg.mVersionCode <= ps.versionCode) { 6095 // The system package has been updated and the code path does not match 6096 // Ignore entry. Skip it. 6097 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6098 + " ignored: updated version " + ps.versionCode 6099 + " better than this " + pkg.mVersionCode); 6100 if (!updatedPkg.codePath.equals(scanFile)) { 6101 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 6102 + ps.name + " changing from " + updatedPkg.codePathString 6103 + " to " + scanFile); 6104 updatedPkg.codePath = scanFile; 6105 updatedPkg.codePathString = scanFile.toString(); 6106 updatedPkg.resourcePath = scanFile; 6107 updatedPkg.resourcePathString = scanFile.toString(); 6108 } 6109 updatedPkg.pkg = pkg; 6110 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6111 "Package " + ps.name + " at " + scanFile 6112 + " ignored: updated version " + ps.versionCode 6113 + " better than this " + pkg.mVersionCode); 6114 } else { 6115 // The current app on the system partition is better than 6116 // what we have updated to on the data partition; switch 6117 // back to the system partition version. 6118 // At this point, its safely assumed that package installation for 6119 // apps in system partition will go through. If not there won't be a working 6120 // version of the app 6121 // writer 6122 synchronized (mPackages) { 6123 // Just remove the loaded entries from package lists. 6124 mPackages.remove(ps.name); 6125 } 6126 6127 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6128 + " reverting from " + ps.codePathString 6129 + ": new version " + pkg.mVersionCode 6130 + " better than installed " + ps.versionCode); 6131 6132 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6133 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6134 synchronized (mInstallLock) { 6135 args.cleanUpResourcesLI(); 6136 } 6137 synchronized (mPackages) { 6138 mSettings.enableSystemPackageLPw(ps.name); 6139 } 6140 updatedPkgBetter = true; 6141 } 6142 } 6143 } 6144 6145 if (updatedPkg != null) { 6146 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6147 // initially 6148 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6149 6150 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6151 // flag set initially 6152 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6153 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6154 } 6155 } 6156 6157 // Verify certificates against what was last scanned 6158 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 6159 6160 /* 6161 * A new system app appeared, but we already had a non-system one of the 6162 * same name installed earlier. 6163 */ 6164 boolean shouldHideSystemApp = false; 6165 if (updatedPkg == null && ps != null 6166 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6167 /* 6168 * Check to make sure the signatures match first. If they don't, 6169 * wipe the installed application and its data. 6170 */ 6171 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6172 != PackageManager.SIGNATURE_MATCH) { 6173 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6174 + " signatures don't match existing userdata copy; removing"); 6175 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 6176 ps = null; 6177 } else { 6178 /* 6179 * If the newly-added system app is an older version than the 6180 * already installed version, hide it. It will be scanned later 6181 * and re-added like an update. 6182 */ 6183 if (pkg.mVersionCode <= ps.versionCode) { 6184 shouldHideSystemApp = true; 6185 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6186 + " but new version " + pkg.mVersionCode + " better than installed " 6187 + ps.versionCode + "; hiding system"); 6188 } else { 6189 /* 6190 * The newly found system app is a newer version that the 6191 * one previously installed. Simply remove the 6192 * already-installed application and replace it with our own 6193 * while keeping the application data. 6194 */ 6195 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6196 + " reverting from " + ps.codePathString + ": new version " 6197 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6198 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6199 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6200 synchronized (mInstallLock) { 6201 args.cleanUpResourcesLI(); 6202 } 6203 } 6204 } 6205 } 6206 6207 // The apk is forward locked (not public) if its code and resources 6208 // are kept in different files. (except for app in either system or 6209 // vendor path). 6210 // TODO grab this value from PackageSettings 6211 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6212 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6213 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6214 } 6215 } 6216 6217 // TODO: extend to support forward-locked splits 6218 String resourcePath = null; 6219 String baseResourcePath = null; 6220 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6221 if (ps != null && ps.resourcePathString != null) { 6222 resourcePath = ps.resourcePathString; 6223 baseResourcePath = ps.resourcePathString; 6224 } else { 6225 // Should not happen at all. Just log an error. 6226 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 6227 } 6228 } else { 6229 resourcePath = pkg.codePath; 6230 baseResourcePath = pkg.baseCodePath; 6231 } 6232 6233 // Set application objects path explicitly. 6234 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 6235 pkg.applicationInfo.setCodePath(pkg.codePath); 6236 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 6237 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 6238 pkg.applicationInfo.setResourcePath(resourcePath); 6239 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 6240 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 6241 6242 // Note that we invoke the following method only if we are about to unpack an application 6243 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6244 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6245 6246 /* 6247 * If the system app should be overridden by a previously installed 6248 * data, hide the system app now and let the /data/app scan pick it up 6249 * again. 6250 */ 6251 if (shouldHideSystemApp) { 6252 synchronized (mPackages) { 6253 mSettings.disableSystemPackageLPw(pkg.packageName); 6254 } 6255 } 6256 6257 return scannedPkg; 6258 } 6259 6260 private static String fixProcessName(String defProcessName, 6261 String processName, int uid) { 6262 if (processName == null) { 6263 return defProcessName; 6264 } 6265 return processName; 6266 } 6267 6268 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6269 throws PackageManagerException { 6270 if (pkgSetting.signatures.mSignatures != null) { 6271 // Already existing package. Make sure signatures match 6272 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6273 == PackageManager.SIGNATURE_MATCH; 6274 if (!match) { 6275 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6276 == PackageManager.SIGNATURE_MATCH; 6277 } 6278 if (!match) { 6279 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6280 == PackageManager.SIGNATURE_MATCH; 6281 } 6282 if (!match) { 6283 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6284 + pkg.packageName + " signatures do not match the " 6285 + "previously installed version; ignoring!"); 6286 } 6287 } 6288 6289 // Check for shared user signatures 6290 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6291 // Already existing package. Make sure signatures match 6292 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6293 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6294 if (!match) { 6295 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6296 == PackageManager.SIGNATURE_MATCH; 6297 } 6298 if (!match) { 6299 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6300 == PackageManager.SIGNATURE_MATCH; 6301 } 6302 if (!match) { 6303 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6304 "Package " + pkg.packageName 6305 + " has no signatures that match those in shared user " 6306 + pkgSetting.sharedUser.name + "; ignoring!"); 6307 } 6308 } 6309 } 6310 6311 /** 6312 * Enforces that only the system UID or root's UID can call a method exposed 6313 * via Binder. 6314 * 6315 * @param message used as message if SecurityException is thrown 6316 * @throws SecurityException if the caller is not system or root 6317 */ 6318 private static final void enforceSystemOrRoot(String message) { 6319 final int uid = Binder.getCallingUid(); 6320 if (uid != Process.SYSTEM_UID && uid != 0) { 6321 throw new SecurityException(message); 6322 } 6323 } 6324 6325 @Override 6326 public void performFstrimIfNeeded() { 6327 enforceSystemOrRoot("Only the system can request fstrim"); 6328 6329 // Before everything else, see whether we need to fstrim. 6330 try { 6331 IMountService ms = PackageHelper.getMountService(); 6332 if (ms != null) { 6333 final boolean isUpgrade = isUpgrade(); 6334 boolean doTrim = isUpgrade; 6335 if (doTrim) { 6336 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6337 } else { 6338 final long interval = android.provider.Settings.Global.getLong( 6339 mContext.getContentResolver(), 6340 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6341 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6342 if (interval > 0) { 6343 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6344 if (timeSinceLast > interval) { 6345 doTrim = true; 6346 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6347 + "; running immediately"); 6348 } 6349 } 6350 } 6351 if (doTrim) { 6352 if (!isFirstBoot()) { 6353 try { 6354 ActivityManagerNative.getDefault().showBootMessage( 6355 mContext.getResources().getString( 6356 R.string.android_upgrading_fstrim), true); 6357 } catch (RemoteException e) { 6358 } 6359 } 6360 ms.runMaintenance(); 6361 } 6362 } else { 6363 Slog.e(TAG, "Mount service unavailable!"); 6364 } 6365 } catch (RemoteException e) { 6366 // Can't happen; MountService is local 6367 } 6368 } 6369 6370 private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) { 6371 List<ResolveInfo> ris = null; 6372 try { 6373 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6374 intent, null, 0, userId); 6375 } catch (RemoteException e) { 6376 } 6377 ArraySet<String> pkgNames = new ArraySet<String>(); 6378 if (ris != null) { 6379 for (ResolveInfo ri : ris) { 6380 pkgNames.add(ri.activityInfo.packageName); 6381 } 6382 } 6383 return pkgNames; 6384 } 6385 6386 @Override 6387 public void notifyPackageUse(String packageName) { 6388 synchronized (mPackages) { 6389 PackageParser.Package p = mPackages.get(packageName); 6390 if (p == null) { 6391 return; 6392 } 6393 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6394 } 6395 } 6396 6397 @Override 6398 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6399 return performDexOptTraced(packageName, instructionSet); 6400 } 6401 6402 public boolean performDexOpt(String packageName, String instructionSet) { 6403 return performDexOptTraced(packageName, instructionSet); 6404 } 6405 6406 private boolean performDexOptTraced(String packageName, String instructionSet) { 6407 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6408 try { 6409 return performDexOptInternal(packageName, instructionSet); 6410 } finally { 6411 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6412 } 6413 } 6414 6415 private boolean performDexOptInternal(String packageName, String instructionSet) { 6416 PackageParser.Package p; 6417 final String targetInstructionSet; 6418 synchronized (mPackages) { 6419 p = mPackages.get(packageName); 6420 if (p == null) { 6421 return false; 6422 } 6423 mPackageUsage.write(false); 6424 6425 targetInstructionSet = instructionSet != null ? instructionSet : 6426 getPrimaryInstructionSet(p.applicationInfo); 6427 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6428 return false; 6429 } 6430 } 6431 long callingId = Binder.clearCallingIdentity(); 6432 try { 6433 synchronized (mInstallLock) { 6434 final String[] instructionSets = new String[] { targetInstructionSet }; 6435 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6436 true /* inclDependencies */); 6437 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6438 } 6439 } finally { 6440 Binder.restoreCallingIdentity(callingId); 6441 } 6442 } 6443 6444 public ArraySet<String> getPackagesThatNeedDexOpt() { 6445 ArraySet<String> pkgs = null; 6446 synchronized (mPackages) { 6447 for (PackageParser.Package p : mPackages.values()) { 6448 if (DEBUG_DEXOPT) { 6449 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6450 } 6451 if (!p.mDexOptPerformed.isEmpty()) { 6452 continue; 6453 } 6454 if (pkgs == null) { 6455 pkgs = new ArraySet<String>(); 6456 } 6457 pkgs.add(p.packageName); 6458 } 6459 } 6460 return pkgs; 6461 } 6462 6463 public void shutdown() { 6464 mPackageUsage.write(true); 6465 } 6466 6467 @Override 6468 public void forceDexOpt(String packageName) { 6469 enforceSystemOrRoot("forceDexOpt"); 6470 6471 PackageParser.Package pkg; 6472 synchronized (mPackages) { 6473 pkg = mPackages.get(packageName); 6474 if (pkg == null) { 6475 throw new IllegalArgumentException("Missing package: " + packageName); 6476 } 6477 } 6478 6479 synchronized (mInstallLock) { 6480 final String[] instructionSets = new String[] { 6481 getPrimaryInstructionSet(pkg.applicationInfo) }; 6482 6483 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6484 6485 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6486 true /* inclDependencies */); 6487 6488 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6489 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6490 throw new IllegalStateException("Failed to dexopt: " + res); 6491 } 6492 } 6493 } 6494 6495 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6496 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6497 Slog.w(TAG, "Unable to update from " + oldPkg.name 6498 + " to " + newPkg.packageName 6499 + ": old package not in system partition"); 6500 return false; 6501 } else if (mPackages.get(oldPkg.name) != null) { 6502 Slog.w(TAG, "Unable to update from " + oldPkg.name 6503 + " to " + newPkg.packageName 6504 + ": old package still exists"); 6505 return false; 6506 } 6507 return true; 6508 } 6509 6510 private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) { 6511 int[] users = sUserManager.getUserIds(); 6512 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6513 if (res < 0) { 6514 return res; 6515 } 6516 for (int user : users) { 6517 if (user != 0) { 6518 res = mInstaller.createUserData(volumeUuid, packageName, 6519 UserHandle.getUid(user, uid), user, seinfo); 6520 if (res < 0) { 6521 return res; 6522 } 6523 } 6524 } 6525 return res; 6526 } 6527 6528 private int removeDataDirsLI(String volumeUuid, String packageName) { 6529 int[] users = sUserManager.getUserIds(); 6530 int res = 0; 6531 for (int user : users) { 6532 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6533 if (resInner < 0) { 6534 res = resInner; 6535 } 6536 } 6537 6538 return res; 6539 } 6540 6541 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6542 int[] users = sUserManager.getUserIds(); 6543 int res = 0; 6544 for (int user : users) { 6545 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6546 if (resInner < 0) { 6547 res = resInner; 6548 } 6549 } 6550 return res; 6551 } 6552 6553 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6554 PackageParser.Package changingLib) { 6555 if (file.path != null) { 6556 usesLibraryFiles.add(file.path); 6557 return; 6558 } 6559 PackageParser.Package p = mPackages.get(file.apk); 6560 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6561 // If we are doing this while in the middle of updating a library apk, 6562 // then we need to make sure to use that new apk for determining the 6563 // dependencies here. (We haven't yet finished committing the new apk 6564 // to the package manager state.) 6565 if (p == null || p.packageName.equals(changingLib.packageName)) { 6566 p = changingLib; 6567 } 6568 } 6569 if (p != null) { 6570 usesLibraryFiles.addAll(p.getAllCodePaths()); 6571 } 6572 } 6573 6574 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6575 PackageParser.Package changingLib) throws PackageManagerException { 6576 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6577 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6578 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6579 for (int i=0; i<N; i++) { 6580 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6581 if (file == null) { 6582 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6583 "Package " + pkg.packageName + " requires unavailable shared library " 6584 + pkg.usesLibraries.get(i) + "; failing!"); 6585 } 6586 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6587 } 6588 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6589 for (int i=0; i<N; i++) { 6590 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6591 if (file == null) { 6592 Slog.w(TAG, "Package " + pkg.packageName 6593 + " desires unavailable shared library " 6594 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6595 } else { 6596 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6597 } 6598 } 6599 N = usesLibraryFiles.size(); 6600 if (N > 0) { 6601 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6602 } else { 6603 pkg.usesLibraryFiles = null; 6604 } 6605 } 6606 } 6607 6608 private static boolean hasString(List<String> list, List<String> which) { 6609 if (list == null) { 6610 return false; 6611 } 6612 for (int i=list.size()-1; i>=0; i--) { 6613 for (int j=which.size()-1; j>=0; j--) { 6614 if (which.get(j).equals(list.get(i))) { 6615 return true; 6616 } 6617 } 6618 } 6619 return false; 6620 } 6621 6622 private void updateAllSharedLibrariesLPw() { 6623 for (PackageParser.Package pkg : mPackages.values()) { 6624 try { 6625 updateSharedLibrariesLPw(pkg, null); 6626 } catch (PackageManagerException e) { 6627 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6628 } 6629 } 6630 } 6631 6632 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6633 PackageParser.Package changingPkg) { 6634 ArrayList<PackageParser.Package> res = null; 6635 for (PackageParser.Package pkg : mPackages.values()) { 6636 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6637 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6638 if (res == null) { 6639 res = new ArrayList<PackageParser.Package>(); 6640 } 6641 res.add(pkg); 6642 try { 6643 updateSharedLibrariesLPw(pkg, changingPkg); 6644 } catch (PackageManagerException e) { 6645 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6646 } 6647 } 6648 } 6649 return res; 6650 } 6651 6652 /** 6653 * Derive the value of the {@code cpuAbiOverride} based on the provided 6654 * value and an optional stored value from the package settings. 6655 */ 6656 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6657 String cpuAbiOverride = null; 6658 6659 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6660 cpuAbiOverride = null; 6661 } else if (abiOverride != null) { 6662 cpuAbiOverride = abiOverride; 6663 } else if (settings != null) { 6664 cpuAbiOverride = settings.cpuAbiOverrideString; 6665 } 6666 6667 return cpuAbiOverride; 6668 } 6669 6670 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 6671 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6672 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6673 try { 6674 return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 6675 } finally { 6676 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6677 } 6678 } 6679 6680 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6681 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6682 boolean success = false; 6683 try { 6684 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6685 currentTime, user); 6686 success = true; 6687 return res; 6688 } finally { 6689 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6690 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6691 } 6692 } 6693 } 6694 6695 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6696 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6697 final File scanFile = new File(pkg.codePath); 6698 if (pkg.applicationInfo.getCodePath() == null || 6699 pkg.applicationInfo.getResourcePath() == null) { 6700 // Bail out. The resource and code paths haven't been set. 6701 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6702 "Code and resource paths haven't been set correctly"); 6703 } 6704 6705 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6706 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6707 } else { 6708 // Only allow system apps to be flagged as core apps. 6709 pkg.coreApp = false; 6710 } 6711 6712 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6713 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6714 } 6715 6716 if (mCustomResolverComponentName != null && 6717 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6718 setUpCustomResolverActivity(pkg); 6719 } 6720 6721 if (pkg.packageName.equals("android")) { 6722 synchronized (mPackages) { 6723 if (mAndroidApplication != null) { 6724 Slog.w(TAG, "*************************************************"); 6725 Slog.w(TAG, "Core android package being redefined. Skipping."); 6726 Slog.w(TAG, " file=" + scanFile); 6727 Slog.w(TAG, "*************************************************"); 6728 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6729 "Core android package being redefined. Skipping."); 6730 } 6731 6732 // Set up information for our fall-back user intent resolution activity. 6733 mPlatformPackage = pkg; 6734 pkg.mVersionCode = mSdkVersion; 6735 mAndroidApplication = pkg.applicationInfo; 6736 6737 if (!mResolverReplaced) { 6738 mResolveActivity.applicationInfo = mAndroidApplication; 6739 mResolveActivity.name = ResolverActivity.class.getName(); 6740 mResolveActivity.packageName = mAndroidApplication.packageName; 6741 mResolveActivity.processName = "system:ui"; 6742 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6743 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6744 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6745 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6746 mResolveActivity.exported = true; 6747 mResolveActivity.enabled = true; 6748 mResolveInfo.activityInfo = mResolveActivity; 6749 mResolveInfo.priority = 0; 6750 mResolveInfo.preferredOrder = 0; 6751 mResolveInfo.match = 0; 6752 mResolveComponentName = new ComponentName( 6753 mAndroidApplication.packageName, mResolveActivity.name); 6754 } 6755 } 6756 } 6757 6758 if (DEBUG_PACKAGE_SCANNING) { 6759 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6760 Log.d(TAG, "Scanning package " + pkg.packageName); 6761 } 6762 6763 if (mPackages.containsKey(pkg.packageName) 6764 || mSharedLibraries.containsKey(pkg.packageName)) { 6765 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6766 "Application package " + pkg.packageName 6767 + " already installed. Skipping duplicate."); 6768 } 6769 6770 // If we're only installing presumed-existing packages, require that the 6771 // scanned APK is both already known and at the path previously established 6772 // for it. Previously unknown packages we pick up normally, but if we have an 6773 // a priori expectation about this package's install presence, enforce it. 6774 // With a singular exception for new system packages. When an OTA contains 6775 // a new system package, we allow the codepath to change from a system location 6776 // to the user-installed location. If we don't allow this change, any newer, 6777 // user-installed version of the application will be ignored. 6778 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6779 if (mExpectingBetter.containsKey(pkg.packageName)) { 6780 logCriticalInfo(Log.WARN, 6781 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6782 } else { 6783 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6784 if (known != null) { 6785 if (DEBUG_PACKAGE_SCANNING) { 6786 Log.d(TAG, "Examining " + pkg.codePath 6787 + " and requiring known paths " + known.codePathString 6788 + " & " + known.resourcePathString); 6789 } 6790 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6791 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6792 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6793 "Application package " + pkg.packageName 6794 + " found at " + pkg.applicationInfo.getCodePath() 6795 + " but expected at " + known.codePathString + "; ignoring."); 6796 } 6797 } 6798 } 6799 } 6800 6801 // Initialize package source and resource directories 6802 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6803 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6804 6805 SharedUserSetting suid = null; 6806 PackageSetting pkgSetting = null; 6807 6808 if (!isSystemApp(pkg)) { 6809 // Only system apps can use these features. 6810 pkg.mOriginalPackages = null; 6811 pkg.mRealPackage = null; 6812 pkg.mAdoptPermissions = null; 6813 } 6814 6815 // writer 6816 synchronized (mPackages) { 6817 if (pkg.mSharedUserId != null) { 6818 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6819 if (suid == null) { 6820 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6821 "Creating application package " + pkg.packageName 6822 + " for shared user failed"); 6823 } 6824 if (DEBUG_PACKAGE_SCANNING) { 6825 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6826 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 6827 + "): packages=" + suid.packages); 6828 } 6829 } 6830 6831 // Check if we are renaming from an original package name. 6832 PackageSetting origPackage = null; 6833 String realName = null; 6834 if (pkg.mOriginalPackages != null) { 6835 // This package may need to be renamed to a previously 6836 // installed name. Let's check on that... 6837 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 6838 if (pkg.mOriginalPackages.contains(renamed)) { 6839 // This package had originally been installed as the 6840 // original name, and we have already taken care of 6841 // transitioning to the new one. Just update the new 6842 // one to continue using the old name. 6843 realName = pkg.mRealPackage; 6844 if (!pkg.packageName.equals(renamed)) { 6845 // Callers into this function may have already taken 6846 // care of renaming the package; only do it here if 6847 // it is not already done. 6848 pkg.setPackageName(renamed); 6849 } 6850 6851 } else { 6852 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 6853 if ((origPackage = mSettings.peekPackageLPr( 6854 pkg.mOriginalPackages.get(i))) != null) { 6855 // We do have the package already installed under its 6856 // original name... should we use it? 6857 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 6858 // New package is not compatible with original. 6859 origPackage = null; 6860 continue; 6861 } else if (origPackage.sharedUser != null) { 6862 // Make sure uid is compatible between packages. 6863 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 6864 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 6865 + " to " + pkg.packageName + ": old uid " 6866 + origPackage.sharedUser.name 6867 + " differs from " + pkg.mSharedUserId); 6868 origPackage = null; 6869 continue; 6870 } 6871 } else { 6872 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 6873 + pkg.packageName + " to old name " + origPackage.name); 6874 } 6875 break; 6876 } 6877 } 6878 } 6879 } 6880 6881 if (mTransferedPackages.contains(pkg.packageName)) { 6882 Slog.w(TAG, "Package " + pkg.packageName 6883 + " was transferred to another, but its .apk remains"); 6884 } 6885 6886 // Just create the setting, don't add it yet. For already existing packages 6887 // the PkgSetting exists already and doesn't have to be created. 6888 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 6889 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 6890 pkg.applicationInfo.primaryCpuAbi, 6891 pkg.applicationInfo.secondaryCpuAbi, 6892 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 6893 user, false); 6894 if (pkgSetting == null) { 6895 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6896 "Creating application package " + pkg.packageName + " failed"); 6897 } 6898 6899 if (pkgSetting.origPackage != null) { 6900 // If we are first transitioning from an original package, 6901 // fix up the new package's name now. We need to do this after 6902 // looking up the package under its new name, so getPackageLP 6903 // can take care of fiddling things correctly. 6904 pkg.setPackageName(origPackage.name); 6905 6906 // File a report about this. 6907 String msg = "New package " + pkgSetting.realName 6908 + " renamed to replace old package " + pkgSetting.name; 6909 reportSettingsProblem(Log.WARN, msg); 6910 6911 // Make a note of it. 6912 mTransferedPackages.add(origPackage.name); 6913 6914 // No longer need to retain this. 6915 pkgSetting.origPackage = null; 6916 } 6917 6918 if (realName != null) { 6919 // Make a note of it. 6920 mTransferedPackages.add(pkg.packageName); 6921 } 6922 6923 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 6924 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 6925 } 6926 6927 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6928 // Check all shared libraries and map to their actual file path. 6929 // We only do this here for apps not on a system dir, because those 6930 // are the only ones that can fail an install due to this. We 6931 // will take care of the system apps by updating all of their 6932 // library paths after the scan is done. 6933 updateSharedLibrariesLPw(pkg, null); 6934 } 6935 6936 if (mFoundPolicyFile) { 6937 SELinuxMMAC.assignSeinfoValue(pkg); 6938 } 6939 6940 pkg.applicationInfo.uid = pkgSetting.appId; 6941 pkg.mExtras = pkgSetting; 6942 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 6943 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 6944 // We just determined the app is signed correctly, so bring 6945 // over the latest parsed certs. 6946 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6947 } else { 6948 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6949 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6950 "Package " + pkg.packageName + " upgrade keys do not match the " 6951 + "previously installed version"); 6952 } else { 6953 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6954 String msg = "System package " + pkg.packageName 6955 + " signature changed; retaining data."; 6956 reportSettingsProblem(Log.WARN, msg); 6957 } 6958 } 6959 } else { 6960 try { 6961 verifySignaturesLP(pkgSetting, pkg); 6962 // We just determined the app is signed correctly, so bring 6963 // over the latest parsed certs. 6964 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6965 } catch (PackageManagerException e) { 6966 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6967 throw e; 6968 } 6969 // The signature has changed, but this package is in the system 6970 // image... let's recover! 6971 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6972 // However... if this package is part of a shared user, but it 6973 // doesn't match the signature of the shared user, let's fail. 6974 // What this means is that you can't change the signatures 6975 // associated with an overall shared user, which doesn't seem all 6976 // that unreasonable. 6977 if (pkgSetting.sharedUser != null) { 6978 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6979 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 6980 throw new PackageManagerException( 6981 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 6982 "Signature mismatch for shared user : " 6983 + pkgSetting.sharedUser); 6984 } 6985 } 6986 // File a report about this. 6987 String msg = "System package " + pkg.packageName 6988 + " signature changed; retaining data."; 6989 reportSettingsProblem(Log.WARN, msg); 6990 } 6991 } 6992 // Verify that this new package doesn't have any content providers 6993 // that conflict with existing packages. Only do this if the 6994 // package isn't already installed, since we don't want to break 6995 // things that are installed. 6996 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 6997 final int N = pkg.providers.size(); 6998 int i; 6999 for (i=0; i<N; i++) { 7000 PackageParser.Provider p = pkg.providers.get(i); 7001 if (p.info.authority != null) { 7002 String names[] = p.info.authority.split(";"); 7003 for (int j = 0; j < names.length; j++) { 7004 if (mProvidersByAuthority.containsKey(names[j])) { 7005 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7006 final String otherPackageName = 7007 ((other != null && other.getComponentName() != null) ? 7008 other.getComponentName().getPackageName() : "?"); 7009 throw new PackageManagerException( 7010 INSTALL_FAILED_CONFLICTING_PROVIDER, 7011 "Can't install because provider name " + names[j] 7012 + " (in package " + pkg.applicationInfo.packageName 7013 + ") is already used by " + otherPackageName); 7014 } 7015 } 7016 } 7017 } 7018 } 7019 7020 if (pkg.mAdoptPermissions != null) { 7021 // This package wants to adopt ownership of permissions from 7022 // another package. 7023 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7024 final String origName = pkg.mAdoptPermissions.get(i); 7025 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7026 if (orig != null) { 7027 if (verifyPackageUpdateLPr(orig, pkg)) { 7028 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7029 + pkg.packageName); 7030 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7031 } 7032 } 7033 } 7034 } 7035 } 7036 7037 final String pkgName = pkg.packageName; 7038 7039 final long scanFileTime = scanFile.lastModified(); 7040 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7041 pkg.applicationInfo.processName = fixProcessName( 7042 pkg.applicationInfo.packageName, 7043 pkg.applicationInfo.processName, 7044 pkg.applicationInfo.uid); 7045 7046 if (pkg != mPlatformPackage) { 7047 // This is a normal package, need to make its data directory. 7048 final File dataPath = Environment.getDataUserCredentialEncryptedPackageDirectory( 7049 pkg.volumeUuid, UserHandle.USER_SYSTEM, pkg.packageName); 7050 7051 boolean uidError = false; 7052 if (dataPath.exists()) { 7053 int currentUid = 0; 7054 try { 7055 StructStat stat = Os.stat(dataPath.getPath()); 7056 currentUid = stat.st_uid; 7057 } catch (ErrnoException e) { 7058 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 7059 } 7060 7061 // If we have mismatched owners for the data path, we have a problem. 7062 if (currentUid != pkg.applicationInfo.uid) { 7063 boolean recovered = false; 7064 if (currentUid == 0) { 7065 // The directory somehow became owned by root. Wow. 7066 // This is probably because the system was stopped while 7067 // installd was in the middle of messing with its libs 7068 // directory. Ask installd to fix that. 7069 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 7070 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 7071 if (ret >= 0) { 7072 recovered = true; 7073 String msg = "Package " + pkg.packageName 7074 + " unexpectedly changed to uid 0; recovered to " + 7075 + pkg.applicationInfo.uid; 7076 reportSettingsProblem(Log.WARN, msg); 7077 } 7078 } 7079 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7080 || (scanFlags&SCAN_BOOTING) != 0)) { 7081 // If this is a system app, we can at least delete its 7082 // current data so the application will still work. 7083 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 7084 if (ret >= 0) { 7085 // TODO: Kill the processes first 7086 // Old data gone! 7087 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7088 ? "System package " : "Third party package "; 7089 String msg = prefix + pkg.packageName 7090 + " has changed from uid: " 7091 + currentUid + " to " 7092 + pkg.applicationInfo.uid + "; old data erased"; 7093 reportSettingsProblem(Log.WARN, msg); 7094 recovered = true; 7095 7096 // And now re-install the app. 7097 ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7098 pkg.applicationInfo.seinfo); 7099 if (ret == -1) { 7100 // Ack should not happen! 7101 msg = prefix + pkg.packageName 7102 + " could not have data directory re-created after delete."; 7103 reportSettingsProblem(Log.WARN, msg); 7104 throw new PackageManagerException( 7105 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 7106 } 7107 } 7108 if (!recovered) { 7109 mHasSystemUidErrors = true; 7110 } 7111 } else if (!recovered) { 7112 // If we allow this install to proceed, we will be broken. 7113 // Abort, abort! 7114 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 7115 "scanPackageLI"); 7116 } 7117 if (!recovered) { 7118 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 7119 + pkg.applicationInfo.uid + "/fs_" 7120 + currentUid; 7121 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 7122 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 7123 String msg = "Package " + pkg.packageName 7124 + " has mismatched uid: " 7125 + currentUid + " on disk, " 7126 + pkg.applicationInfo.uid + " in settings"; 7127 // writer 7128 synchronized (mPackages) { 7129 mSettings.mReadMessages.append(msg); 7130 mSettings.mReadMessages.append('\n'); 7131 uidError = true; 7132 if (!pkgSetting.uidError) { 7133 reportSettingsProblem(Log.ERROR, msg); 7134 } 7135 } 7136 } 7137 } 7138 7139 if (mShouldRestoreconData) { 7140 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 7141 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 7142 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 7143 } 7144 } else { 7145 if (DEBUG_PACKAGE_SCANNING) { 7146 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7147 Log.v(TAG, "Want this data dir: " + dataPath); 7148 } 7149 //invoke installer to do the actual installation 7150 int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7151 pkg.applicationInfo.seinfo); 7152 if (ret < 0) { 7153 // Error from installer 7154 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7155 "Unable to create data dirs [errorCode=" + ret + "]"); 7156 } 7157 } 7158 7159 // Get all of our default paths setup 7160 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7161 7162 pkgSetting.uidError = uidError; 7163 } 7164 7165 final String path = scanFile.getPath(); 7166 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7167 7168 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7169 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7170 7171 // Some system apps still use directory structure for native libraries 7172 // in which case we might end up not detecting abi solely based on apk 7173 // structure. Try to detect abi based on directory structure. 7174 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7175 pkg.applicationInfo.primaryCpuAbi == null) { 7176 setBundledAppAbisAndRoots(pkg, pkgSetting); 7177 setNativeLibraryPaths(pkg); 7178 } 7179 7180 } else { 7181 if ((scanFlags & SCAN_MOVE) != 0) { 7182 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7183 // but we already have this packages package info in the PackageSetting. We just 7184 // use that and derive the native library path based on the new codepath. 7185 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7186 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7187 } 7188 7189 // Set native library paths again. For moves, the path will be updated based on the 7190 // ABIs we've determined above. For non-moves, the path will be updated based on the 7191 // ABIs we determined during compilation, but the path will depend on the final 7192 // package path (after the rename away from the stage path). 7193 setNativeLibraryPaths(pkg); 7194 } 7195 7196 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 7197 final int[] userIds = sUserManager.getUserIds(); 7198 synchronized (mInstallLock) { 7199 // Make sure all user data directories are ready to roll; we're okay 7200 // if they already exist 7201 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 7202 for (int userId : userIds) { 7203 if (userId != UserHandle.USER_SYSTEM) { 7204 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 7205 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 7206 pkg.applicationInfo.seinfo); 7207 } 7208 } 7209 } 7210 7211 // Create a native library symlink only if we have native libraries 7212 // and if the native libraries are 32 bit libraries. We do not provide 7213 // this symlink for 64 bit libraries. 7214 if (pkg.applicationInfo.primaryCpuAbi != null && 7215 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7216 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "linkNativeLib"); 7217 try { 7218 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7219 for (int userId : userIds) { 7220 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7221 nativeLibPath, userId) < 0) { 7222 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7223 "Failed linking native library dir (user=" + userId + ")"); 7224 } 7225 } 7226 } finally { 7227 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7228 } 7229 } 7230 } 7231 7232 // This is a special case for the "system" package, where the ABI is 7233 // dictated by the zygote configuration (and init.rc). We should keep track 7234 // of this ABI so that we can deal with "normal" applications that run under 7235 // the same UID correctly. 7236 if (mPlatformPackage == pkg) { 7237 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7238 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7239 } 7240 7241 // If there's a mismatch between the abi-override in the package setting 7242 // and the abiOverride specified for the install. Warn about this because we 7243 // would've already compiled the app without taking the package setting into 7244 // account. 7245 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7246 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7247 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7248 " for package: " + pkg.packageName); 7249 } 7250 } 7251 7252 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7253 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7254 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7255 7256 // Copy the derived override back to the parsed package, so that we can 7257 // update the package settings accordingly. 7258 pkg.cpuAbiOverride = cpuAbiOverride; 7259 7260 if (DEBUG_ABI_SELECTION) { 7261 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7262 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7263 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7264 } 7265 7266 // Push the derived path down into PackageSettings so we know what to 7267 // clean up at uninstall time. 7268 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7269 7270 if (DEBUG_ABI_SELECTION) { 7271 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7272 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7273 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7274 } 7275 7276 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7277 // We don't do this here during boot because we can do it all 7278 // at once after scanning all existing packages. 7279 // 7280 // We also do this *before* we perform dexopt on this package, so that 7281 // we can avoid redundant dexopts, and also to make sure we've got the 7282 // code and package path correct. 7283 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7284 pkg, true /* boot complete */); 7285 } 7286 7287 if (mFactoryTest && pkg.requestedPermissions.contains( 7288 android.Manifest.permission.FACTORY_TEST)) { 7289 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7290 } 7291 7292 ArrayList<PackageParser.Package> clientLibPkgs = null; 7293 7294 // writer 7295 synchronized (mPackages) { 7296 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7297 // Only system apps can add new shared libraries. 7298 if (pkg.libraryNames != null) { 7299 for (int i=0; i<pkg.libraryNames.size(); i++) { 7300 String name = pkg.libraryNames.get(i); 7301 boolean allowed = false; 7302 if (pkg.isUpdatedSystemApp()) { 7303 // New library entries can only be added through the 7304 // system image. This is important to get rid of a lot 7305 // of nasty edge cases: for example if we allowed a non- 7306 // system update of the app to add a library, then uninstalling 7307 // the update would make the library go away, and assumptions 7308 // we made such as through app install filtering would now 7309 // have allowed apps on the device which aren't compatible 7310 // with it. Better to just have the restriction here, be 7311 // conservative, and create many fewer cases that can negatively 7312 // impact the user experience. 7313 final PackageSetting sysPs = mSettings 7314 .getDisabledSystemPkgLPr(pkg.packageName); 7315 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7316 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7317 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7318 allowed = true; 7319 break; 7320 } 7321 } 7322 } 7323 } else { 7324 allowed = true; 7325 } 7326 if (allowed) { 7327 if (!mSharedLibraries.containsKey(name)) { 7328 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7329 } else if (!name.equals(pkg.packageName)) { 7330 Slog.w(TAG, "Package " + pkg.packageName + " library " 7331 + name + " already exists; skipping"); 7332 } 7333 } else { 7334 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7335 + name + " that is not declared on system image; skipping"); 7336 } 7337 } 7338 if ((scanFlags & SCAN_BOOTING) == 0) { 7339 // If we are not booting, we need to update any applications 7340 // that are clients of our shared library. If we are booting, 7341 // this will all be done once the scan is complete. 7342 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7343 } 7344 } 7345 } 7346 } 7347 7348 // Request the ActivityManager to kill the process(only for existing packages) 7349 // so that we do not end up in a confused state while the user is still using the older 7350 // version of the application while the new one gets installed. 7351 if ((scanFlags & SCAN_REPLACING) != 0) { 7352 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7353 7354 killApplication(pkg.applicationInfo.packageName, 7355 pkg.applicationInfo.uid, "replace pkg"); 7356 7357 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7358 } 7359 7360 // Also need to kill any apps that are dependent on the library. 7361 if (clientLibPkgs != null) { 7362 for (int i=0; i<clientLibPkgs.size(); i++) { 7363 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7364 killApplication(clientPkg.applicationInfo.packageName, 7365 clientPkg.applicationInfo.uid, "update lib"); 7366 } 7367 } 7368 7369 // Make sure we're not adding any bogus keyset info 7370 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7371 ksms.assertScannedPackageValid(pkg); 7372 7373 // writer 7374 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7375 7376 boolean createIdmapFailed = false; 7377 synchronized (mPackages) { 7378 // We don't expect installation to fail beyond this point 7379 7380 // Add the new setting to mSettings 7381 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7382 // Add the new setting to mPackages 7383 mPackages.put(pkg.applicationInfo.packageName, pkg); 7384 // Make sure we don't accidentally delete its data. 7385 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7386 while (iter.hasNext()) { 7387 PackageCleanItem item = iter.next(); 7388 if (pkgName.equals(item.packageName)) { 7389 iter.remove(); 7390 } 7391 } 7392 7393 // Take care of first install / last update times. 7394 if (currentTime != 0) { 7395 if (pkgSetting.firstInstallTime == 0) { 7396 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7397 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7398 pkgSetting.lastUpdateTime = currentTime; 7399 } 7400 } else if (pkgSetting.firstInstallTime == 0) { 7401 // We need *something*. Take time time stamp of the file. 7402 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7403 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7404 if (scanFileTime != pkgSetting.timeStamp) { 7405 // A package on the system image has changed; consider this 7406 // to be an update. 7407 pkgSetting.lastUpdateTime = scanFileTime; 7408 } 7409 } 7410 7411 // Add the package's KeySets to the global KeySetManagerService 7412 ksms.addScannedPackageLPw(pkg); 7413 7414 int N = pkg.providers.size(); 7415 StringBuilder r = null; 7416 int i; 7417 for (i=0; i<N; i++) { 7418 PackageParser.Provider p = pkg.providers.get(i); 7419 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7420 p.info.processName, pkg.applicationInfo.uid); 7421 mProviders.addProvider(p); 7422 p.syncable = p.info.isSyncable; 7423 if (p.info.authority != null) { 7424 String names[] = p.info.authority.split(";"); 7425 p.info.authority = null; 7426 for (int j = 0; j < names.length; j++) { 7427 if (j == 1 && p.syncable) { 7428 // We only want the first authority for a provider to possibly be 7429 // syncable, so if we already added this provider using a different 7430 // authority clear the syncable flag. We copy the provider before 7431 // changing it because the mProviders object contains a reference 7432 // to a provider that we don't want to change. 7433 // Only do this for the second authority since the resulting provider 7434 // object can be the same for all future authorities for this provider. 7435 p = new PackageParser.Provider(p); 7436 p.syncable = false; 7437 } 7438 if (!mProvidersByAuthority.containsKey(names[j])) { 7439 mProvidersByAuthority.put(names[j], p); 7440 if (p.info.authority == null) { 7441 p.info.authority = names[j]; 7442 } else { 7443 p.info.authority = p.info.authority + ";" + names[j]; 7444 } 7445 if (DEBUG_PACKAGE_SCANNING) { 7446 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7447 Log.d(TAG, "Registered content provider: " + names[j] 7448 + ", className = " + p.info.name + ", isSyncable = " 7449 + p.info.isSyncable); 7450 } 7451 } else { 7452 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7453 Slog.w(TAG, "Skipping provider name " + names[j] + 7454 " (in package " + pkg.applicationInfo.packageName + 7455 "): name already used by " 7456 + ((other != null && other.getComponentName() != null) 7457 ? other.getComponentName().getPackageName() : "?")); 7458 } 7459 } 7460 } 7461 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7462 if (r == null) { 7463 r = new StringBuilder(256); 7464 } else { 7465 r.append(' '); 7466 } 7467 r.append(p.info.name); 7468 } 7469 } 7470 if (r != null) { 7471 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7472 } 7473 7474 N = pkg.services.size(); 7475 r = null; 7476 for (i=0; i<N; i++) { 7477 PackageParser.Service s = pkg.services.get(i); 7478 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7479 s.info.processName, pkg.applicationInfo.uid); 7480 mServices.addService(s); 7481 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7482 if (r == null) { 7483 r = new StringBuilder(256); 7484 } else { 7485 r.append(' '); 7486 } 7487 r.append(s.info.name); 7488 } 7489 } 7490 if (r != null) { 7491 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7492 } 7493 7494 N = pkg.receivers.size(); 7495 r = null; 7496 for (i=0; i<N; i++) { 7497 PackageParser.Activity a = pkg.receivers.get(i); 7498 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7499 a.info.processName, pkg.applicationInfo.uid); 7500 mReceivers.addActivity(a, "receiver"); 7501 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7502 if (r == null) { 7503 r = new StringBuilder(256); 7504 } else { 7505 r.append(' '); 7506 } 7507 r.append(a.info.name); 7508 } 7509 } 7510 if (r != null) { 7511 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7512 } 7513 7514 N = pkg.activities.size(); 7515 r = null; 7516 for (i=0; i<N; i++) { 7517 PackageParser.Activity a = pkg.activities.get(i); 7518 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7519 a.info.processName, pkg.applicationInfo.uid); 7520 mActivities.addActivity(a, "activity"); 7521 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7522 if (r == null) { 7523 r = new StringBuilder(256); 7524 } else { 7525 r.append(' '); 7526 } 7527 r.append(a.info.name); 7528 } 7529 } 7530 if (r != null) { 7531 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7532 } 7533 7534 N = pkg.permissionGroups.size(); 7535 r = null; 7536 for (i=0; i<N; i++) { 7537 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7538 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7539 if (cur == null) { 7540 mPermissionGroups.put(pg.info.name, pg); 7541 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7542 if (r == null) { 7543 r = new StringBuilder(256); 7544 } else { 7545 r.append(' '); 7546 } 7547 r.append(pg.info.name); 7548 } 7549 } else { 7550 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7551 + pg.info.packageName + " ignored: original from " 7552 + cur.info.packageName); 7553 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7554 if (r == null) { 7555 r = new StringBuilder(256); 7556 } else { 7557 r.append(' '); 7558 } 7559 r.append("DUP:"); 7560 r.append(pg.info.name); 7561 } 7562 } 7563 } 7564 if (r != null) { 7565 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7566 } 7567 7568 N = pkg.permissions.size(); 7569 r = null; 7570 for (i=0; i<N; i++) { 7571 PackageParser.Permission p = pkg.permissions.get(i); 7572 7573 // Assume by default that we did not install this permission into the system. 7574 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7575 7576 // Now that permission groups have a special meaning, we ignore permission 7577 // groups for legacy apps to prevent unexpected behavior. In particular, 7578 // permissions for one app being granted to someone just becuase they happen 7579 // to be in a group defined by another app (before this had no implications). 7580 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7581 p.group = mPermissionGroups.get(p.info.group); 7582 // Warn for a permission in an unknown group. 7583 if (p.info.group != null && p.group == null) { 7584 Slog.w(TAG, "Permission " + p.info.name + " from package " 7585 + p.info.packageName + " in an unknown group " + p.info.group); 7586 } 7587 } 7588 7589 ArrayMap<String, BasePermission> permissionMap = 7590 p.tree ? mSettings.mPermissionTrees 7591 : mSettings.mPermissions; 7592 BasePermission bp = permissionMap.get(p.info.name); 7593 7594 // Allow system apps to redefine non-system permissions 7595 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7596 final boolean currentOwnerIsSystem = (bp.perm != null 7597 && isSystemApp(bp.perm.owner)); 7598 if (isSystemApp(p.owner)) { 7599 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7600 // It's a built-in permission and no owner, take ownership now 7601 bp.packageSetting = pkgSetting; 7602 bp.perm = p; 7603 bp.uid = pkg.applicationInfo.uid; 7604 bp.sourcePackage = p.info.packageName; 7605 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7606 } else if (!currentOwnerIsSystem) { 7607 String msg = "New decl " + p.owner + " of permission " 7608 + p.info.name + " is system; overriding " + bp.sourcePackage; 7609 reportSettingsProblem(Log.WARN, msg); 7610 bp = null; 7611 } 7612 } 7613 } 7614 7615 if (bp == null) { 7616 bp = new BasePermission(p.info.name, p.info.packageName, 7617 BasePermission.TYPE_NORMAL); 7618 permissionMap.put(p.info.name, bp); 7619 } 7620 7621 if (bp.perm == null) { 7622 if (bp.sourcePackage == null 7623 || bp.sourcePackage.equals(p.info.packageName)) { 7624 BasePermission tree = findPermissionTreeLP(p.info.name); 7625 if (tree == null 7626 || tree.sourcePackage.equals(p.info.packageName)) { 7627 bp.packageSetting = pkgSetting; 7628 bp.perm = p; 7629 bp.uid = pkg.applicationInfo.uid; 7630 bp.sourcePackage = p.info.packageName; 7631 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7632 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7633 if (r == null) { 7634 r = new StringBuilder(256); 7635 } else { 7636 r.append(' '); 7637 } 7638 r.append(p.info.name); 7639 } 7640 } else { 7641 Slog.w(TAG, "Permission " + p.info.name + " from package " 7642 + p.info.packageName + " ignored: base tree " 7643 + tree.name + " is from package " 7644 + tree.sourcePackage); 7645 } 7646 } else { 7647 Slog.w(TAG, "Permission " + p.info.name + " from package " 7648 + p.info.packageName + " ignored: original from " 7649 + bp.sourcePackage); 7650 } 7651 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7652 if (r == null) { 7653 r = new StringBuilder(256); 7654 } else { 7655 r.append(' '); 7656 } 7657 r.append("DUP:"); 7658 r.append(p.info.name); 7659 } 7660 if (bp.perm == p) { 7661 bp.protectionLevel = p.info.protectionLevel; 7662 } 7663 } 7664 7665 if (r != null) { 7666 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7667 } 7668 7669 N = pkg.instrumentation.size(); 7670 r = null; 7671 for (i=0; i<N; i++) { 7672 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7673 a.info.packageName = pkg.applicationInfo.packageName; 7674 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7675 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7676 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7677 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7678 a.info.dataDir = pkg.applicationInfo.dataDir; 7679 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 7680 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 7681 7682 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7683 // need other information about the application, like the ABI and what not ? 7684 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7685 mInstrumentation.put(a.getComponentName(), a); 7686 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7687 if (r == null) { 7688 r = new StringBuilder(256); 7689 } else { 7690 r.append(' '); 7691 } 7692 r.append(a.info.name); 7693 } 7694 } 7695 if (r != null) { 7696 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7697 } 7698 7699 if (pkg.protectedBroadcasts != null) { 7700 N = pkg.protectedBroadcasts.size(); 7701 for (i=0; i<N; i++) { 7702 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7703 } 7704 } 7705 7706 pkgSetting.setTimeStamp(scanFileTime); 7707 7708 // Create idmap files for pairs of (packages, overlay packages). 7709 // Note: "android", ie framework-res.apk, is handled by native layers. 7710 if (pkg.mOverlayTarget != null) { 7711 // This is an overlay package. 7712 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7713 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7714 mOverlays.put(pkg.mOverlayTarget, 7715 new ArrayMap<String, PackageParser.Package>()); 7716 } 7717 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7718 map.put(pkg.packageName, pkg); 7719 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7720 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7721 createIdmapFailed = true; 7722 } 7723 } 7724 } else if (mOverlays.containsKey(pkg.packageName) && 7725 !pkg.packageName.equals("android")) { 7726 // This is a regular package, with one or more known overlay packages. 7727 createIdmapsForPackageLI(pkg); 7728 } 7729 } 7730 7731 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7732 7733 if (createIdmapFailed) { 7734 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7735 "scanPackageLI failed to createIdmap"); 7736 } 7737 return pkg; 7738 } 7739 7740 /** 7741 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7742 * is derived purely on the basis of the contents of {@code scanFile} and 7743 * {@code cpuAbiOverride}. 7744 * 7745 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7746 */ 7747 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7748 String cpuAbiOverride, boolean extractLibs) 7749 throws PackageManagerException { 7750 // TODO: We can probably be smarter about this stuff. For installed apps, 7751 // we can calculate this information at install time once and for all. For 7752 // system apps, we can probably assume that this information doesn't change 7753 // after the first boot scan. As things stand, we do lots of unnecessary work. 7754 7755 // Give ourselves some initial paths; we'll come back for another 7756 // pass once we've determined ABI below. 7757 setNativeLibraryPaths(pkg); 7758 7759 // We would never need to extract libs for forward-locked and external packages, 7760 // since the container service will do it for us. We shouldn't attempt to 7761 // extract libs from system app when it was not updated. 7762 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 7763 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 7764 extractLibs = false; 7765 } 7766 7767 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7768 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7769 7770 NativeLibraryHelper.Handle handle = null; 7771 try { 7772 handle = NativeLibraryHelper.Handle.create(pkg); 7773 // TODO(multiArch): This can be null for apps that didn't go through the 7774 // usual installation process. We can calculate it again, like we 7775 // do during install time. 7776 // 7777 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7778 // unnecessary. 7779 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7780 7781 // Null out the abis so that they can be recalculated. 7782 pkg.applicationInfo.primaryCpuAbi = null; 7783 pkg.applicationInfo.secondaryCpuAbi = null; 7784 if (isMultiArch(pkg.applicationInfo)) { 7785 // Warn if we've set an abiOverride for multi-lib packages.. 7786 // By definition, we need to copy both 32 and 64 bit libraries for 7787 // such packages. 7788 if (pkg.cpuAbiOverride != null 7789 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7790 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7791 } 7792 7793 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7794 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7795 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7796 if (extractLibs) { 7797 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7798 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7799 useIsaSpecificSubdirs); 7800 } else { 7801 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7802 } 7803 } 7804 7805 maybeThrowExceptionForMultiArchCopy( 7806 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7807 7808 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7809 if (extractLibs) { 7810 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7811 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7812 useIsaSpecificSubdirs); 7813 } else { 7814 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7815 } 7816 } 7817 7818 maybeThrowExceptionForMultiArchCopy( 7819 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7820 7821 if (abi64 >= 0) { 7822 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7823 } 7824 7825 if (abi32 >= 0) { 7826 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7827 if (abi64 >= 0) { 7828 pkg.applicationInfo.secondaryCpuAbi = abi; 7829 } else { 7830 pkg.applicationInfo.primaryCpuAbi = abi; 7831 } 7832 } 7833 } else { 7834 String[] abiList = (cpuAbiOverride != null) ? 7835 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7836 7837 // Enable gross and lame hacks for apps that are built with old 7838 // SDK tools. We must scan their APKs for renderscript bitcode and 7839 // not launch them if it's present. Don't bother checking on devices 7840 // that don't have 64 bit support. 7841 boolean needsRenderScriptOverride = false; 7842 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7843 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7844 abiList = Build.SUPPORTED_32_BIT_ABIS; 7845 needsRenderScriptOverride = true; 7846 } 7847 7848 final int copyRet; 7849 if (extractLibs) { 7850 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7851 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7852 } else { 7853 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7854 } 7855 7856 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7857 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7858 "Error unpackaging native libs for app, errorCode=" + copyRet); 7859 } 7860 7861 if (copyRet >= 0) { 7862 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7863 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7864 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7865 } else if (needsRenderScriptOverride) { 7866 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7867 } 7868 } 7869 } catch (IOException ioe) { 7870 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7871 } finally { 7872 IoUtils.closeQuietly(handle); 7873 } 7874 7875 // Now that we've calculated the ABIs and determined if it's an internal app, 7876 // we will go ahead and populate the nativeLibraryPath. 7877 setNativeLibraryPaths(pkg); 7878 } 7879 7880 /** 7881 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7882 * i.e, so that all packages can be run inside a single process if required. 7883 * 7884 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7885 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7886 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7887 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7888 * updating a package that belongs to a shared user. 7889 * 7890 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7891 * adds unnecessary complexity. 7892 */ 7893 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7894 PackageParser.Package scannedPackage, boolean bootComplete) { 7895 String requiredInstructionSet = null; 7896 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7897 requiredInstructionSet = VMRuntime.getInstructionSet( 7898 scannedPackage.applicationInfo.primaryCpuAbi); 7899 } 7900 7901 PackageSetting requirer = null; 7902 for (PackageSetting ps : packagesForUser) { 7903 // If packagesForUser contains scannedPackage, we skip it. This will happen 7904 // when scannedPackage is an update of an existing package. Without this check, 7905 // we will never be able to change the ABI of any package belonging to a shared 7906 // user, even if it's compatible with other packages. 7907 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7908 if (ps.primaryCpuAbiString == null) { 7909 continue; 7910 } 7911 7912 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 7913 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 7914 // We have a mismatch between instruction sets (say arm vs arm64) warn about 7915 // this but there's not much we can do. 7916 String errorMessage = "Instruction set mismatch, " 7917 + ((requirer == null) ? "[caller]" : requirer) 7918 + " requires " + requiredInstructionSet + " whereas " + ps 7919 + " requires " + instructionSet; 7920 Slog.w(TAG, errorMessage); 7921 } 7922 7923 if (requiredInstructionSet == null) { 7924 requiredInstructionSet = instructionSet; 7925 requirer = ps; 7926 } 7927 } 7928 } 7929 7930 if (requiredInstructionSet != null) { 7931 String adjustedAbi; 7932 if (requirer != null) { 7933 // requirer != null implies that either scannedPackage was null or that scannedPackage 7934 // did not require an ABI, in which case we have to adjust scannedPackage to match 7935 // the ABI of the set (which is the same as requirer's ABI) 7936 adjustedAbi = requirer.primaryCpuAbiString; 7937 if (scannedPackage != null) { 7938 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 7939 } 7940 } else { 7941 // requirer == null implies that we're updating all ABIs in the set to 7942 // match scannedPackage. 7943 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 7944 } 7945 7946 for (PackageSetting ps : packagesForUser) { 7947 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7948 if (ps.primaryCpuAbiString != null) { 7949 continue; 7950 } 7951 7952 ps.primaryCpuAbiString = adjustedAbi; 7953 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7954 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 7955 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 7956 mInstaller.rmdex(ps.codePathString, 7957 getDexCodeInstructionSet(getPreferredInstructionSet())); 7958 } 7959 } 7960 } 7961 } 7962 } 7963 7964 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 7965 synchronized (mPackages) { 7966 mResolverReplaced = true; 7967 // Set up information for custom user intent resolution activity. 7968 mResolveActivity.applicationInfo = pkg.applicationInfo; 7969 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 7970 mResolveActivity.packageName = pkg.applicationInfo.packageName; 7971 mResolveActivity.processName = pkg.applicationInfo.packageName; 7972 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7973 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 7974 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 7975 mResolveActivity.theme = 0; 7976 mResolveActivity.exported = true; 7977 mResolveActivity.enabled = true; 7978 mResolveInfo.activityInfo = mResolveActivity; 7979 mResolveInfo.priority = 0; 7980 mResolveInfo.preferredOrder = 0; 7981 mResolveInfo.match = 0; 7982 mResolveComponentName = mCustomResolverComponentName; 7983 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 7984 mResolveComponentName); 7985 } 7986 } 7987 7988 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 7989 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 7990 7991 // Set up information for ephemeral installer activity 7992 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 7993 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 7994 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 7995 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 7996 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7997 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 7998 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 7999 mEphemeralInstallerActivity.theme = 0; 8000 mEphemeralInstallerActivity.exported = true; 8001 mEphemeralInstallerActivity.enabled = true; 8002 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8003 mEphemeralInstallerInfo.priority = 0; 8004 mEphemeralInstallerInfo.preferredOrder = 0; 8005 mEphemeralInstallerInfo.match = 0; 8006 8007 if (DEBUG_EPHEMERAL) { 8008 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8009 } 8010 } 8011 8012 private static String calculateBundledApkRoot(final String codePathString) { 8013 final File codePath = new File(codePathString); 8014 final File codeRoot; 8015 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8016 codeRoot = Environment.getRootDirectory(); 8017 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8018 codeRoot = Environment.getOemDirectory(); 8019 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8020 codeRoot = Environment.getVendorDirectory(); 8021 } else { 8022 // Unrecognized code path; take its top real segment as the apk root: 8023 // e.g. /something/app/blah.apk => /something 8024 try { 8025 File f = codePath.getCanonicalFile(); 8026 File parent = f.getParentFile(); // non-null because codePath is a file 8027 File tmp; 8028 while ((tmp = parent.getParentFile()) != null) { 8029 f = parent; 8030 parent = tmp; 8031 } 8032 codeRoot = f; 8033 Slog.w(TAG, "Unrecognized code path " 8034 + codePath + " - using " + codeRoot); 8035 } catch (IOException e) { 8036 // Can't canonicalize the code path -- shenanigans? 8037 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8038 return Environment.getRootDirectory().getPath(); 8039 } 8040 } 8041 return codeRoot.getPath(); 8042 } 8043 8044 /** 8045 * Derive and set the location of native libraries for the given package, 8046 * which varies depending on where and how the package was installed. 8047 */ 8048 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8049 final ApplicationInfo info = pkg.applicationInfo; 8050 final String codePath = pkg.codePath; 8051 final File codeFile = new File(codePath); 8052 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8053 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8054 8055 info.nativeLibraryRootDir = null; 8056 info.nativeLibraryRootRequiresIsa = false; 8057 info.nativeLibraryDir = null; 8058 info.secondaryNativeLibraryDir = null; 8059 8060 if (isApkFile(codeFile)) { 8061 // Monolithic install 8062 if (bundledApp) { 8063 // If "/system/lib64/apkname" exists, assume that is the per-package 8064 // native library directory to use; otherwise use "/system/lib/apkname". 8065 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8066 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8067 getPrimaryInstructionSet(info)); 8068 8069 // This is a bundled system app so choose the path based on the ABI. 8070 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8071 // is just the default path. 8072 final String apkName = deriveCodePathName(codePath); 8073 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8074 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8075 apkName).getAbsolutePath(); 8076 8077 if (info.secondaryCpuAbi != null) { 8078 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8079 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8080 secondaryLibDir, apkName).getAbsolutePath(); 8081 } 8082 } else if (asecApp) { 8083 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8084 .getAbsolutePath(); 8085 } else { 8086 final String apkName = deriveCodePathName(codePath); 8087 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8088 .getAbsolutePath(); 8089 } 8090 8091 info.nativeLibraryRootRequiresIsa = false; 8092 info.nativeLibraryDir = info.nativeLibraryRootDir; 8093 } else { 8094 // Cluster install 8095 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8096 info.nativeLibraryRootRequiresIsa = true; 8097 8098 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8099 getPrimaryInstructionSet(info)).getAbsolutePath(); 8100 8101 if (info.secondaryCpuAbi != null) { 8102 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8103 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8104 } 8105 } 8106 } 8107 8108 /** 8109 * Calculate the abis and roots for a bundled app. These can uniquely 8110 * be determined from the contents of the system partition, i.e whether 8111 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8112 * of this information, and instead assume that the system was built 8113 * sensibly. 8114 */ 8115 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8116 PackageSetting pkgSetting) { 8117 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8118 8119 // If "/system/lib64/apkname" exists, assume that is the per-package 8120 // native library directory to use; otherwise use "/system/lib/apkname". 8121 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8122 setBundledAppAbi(pkg, apkRoot, apkName); 8123 // pkgSetting might be null during rescan following uninstall of updates 8124 // to a bundled app, so accommodate that possibility. The settings in 8125 // that case will be established later from the parsed package. 8126 // 8127 // If the settings aren't null, sync them up with what we've just derived. 8128 // note that apkRoot isn't stored in the package settings. 8129 if (pkgSetting != null) { 8130 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8131 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8132 } 8133 } 8134 8135 /** 8136 * Deduces the ABI of a bundled app and sets the relevant fields on the 8137 * parsed pkg object. 8138 * 8139 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8140 * under which system libraries are installed. 8141 * @param apkName the name of the installed package. 8142 */ 8143 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8144 final File codeFile = new File(pkg.codePath); 8145 8146 final boolean has64BitLibs; 8147 final boolean has32BitLibs; 8148 if (isApkFile(codeFile)) { 8149 // Monolithic install 8150 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8151 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8152 } else { 8153 // Cluster install 8154 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8155 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8156 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8157 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8158 has64BitLibs = (new File(rootDir, isa)).exists(); 8159 } else { 8160 has64BitLibs = false; 8161 } 8162 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8163 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8164 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8165 has32BitLibs = (new File(rootDir, isa)).exists(); 8166 } else { 8167 has32BitLibs = false; 8168 } 8169 } 8170 8171 if (has64BitLibs && !has32BitLibs) { 8172 // The package has 64 bit libs, but not 32 bit libs. Its primary 8173 // ABI should be 64 bit. We can safely assume here that the bundled 8174 // native libraries correspond to the most preferred ABI in the list. 8175 8176 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8177 pkg.applicationInfo.secondaryCpuAbi = null; 8178 } else if (has32BitLibs && !has64BitLibs) { 8179 // The package has 32 bit libs but not 64 bit libs. Its primary 8180 // ABI should be 32 bit. 8181 8182 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8183 pkg.applicationInfo.secondaryCpuAbi = null; 8184 } else if (has32BitLibs && has64BitLibs) { 8185 // The application has both 64 and 32 bit bundled libraries. We check 8186 // here that the app declares multiArch support, and warn if it doesn't. 8187 // 8188 // We will be lenient here and record both ABIs. The primary will be the 8189 // ABI that's higher on the list, i.e, a device that's configured to prefer 8190 // 64 bit apps will see a 64 bit primary ABI, 8191 8192 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8193 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 8194 } 8195 8196 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8197 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8198 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8199 } else { 8200 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8201 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8202 } 8203 } else { 8204 pkg.applicationInfo.primaryCpuAbi = null; 8205 pkg.applicationInfo.secondaryCpuAbi = null; 8206 } 8207 } 8208 8209 private void killApplication(String pkgName, int appId, String reason) { 8210 // Request the ActivityManager to kill the process(only for existing packages) 8211 // so that we do not end up in a confused state while the user is still using the older 8212 // version of the application while the new one gets installed. 8213 IActivityManager am = ActivityManagerNative.getDefault(); 8214 if (am != null) { 8215 try { 8216 am.killApplicationWithAppId(pkgName, appId, reason); 8217 } catch (RemoteException e) { 8218 } 8219 } 8220 } 8221 8222 void removePackageLI(PackageSetting ps, boolean chatty) { 8223 if (DEBUG_INSTALL) { 8224 if (chatty) 8225 Log.d(TAG, "Removing package " + ps.name); 8226 } 8227 8228 // writer 8229 synchronized (mPackages) { 8230 mPackages.remove(ps.name); 8231 final PackageParser.Package pkg = ps.pkg; 8232 if (pkg != null) { 8233 cleanPackageDataStructuresLILPw(pkg, chatty); 8234 } 8235 } 8236 } 8237 8238 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8239 if (DEBUG_INSTALL) { 8240 if (chatty) 8241 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8242 } 8243 8244 // writer 8245 synchronized (mPackages) { 8246 mPackages.remove(pkg.applicationInfo.packageName); 8247 cleanPackageDataStructuresLILPw(pkg, chatty); 8248 } 8249 } 8250 8251 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8252 int N = pkg.providers.size(); 8253 StringBuilder r = null; 8254 int i; 8255 for (i=0; i<N; i++) { 8256 PackageParser.Provider p = pkg.providers.get(i); 8257 mProviders.removeProvider(p); 8258 if (p.info.authority == null) { 8259 8260 /* There was another ContentProvider with this authority when 8261 * this app was installed so this authority is null, 8262 * Ignore it as we don't have to unregister the provider. 8263 */ 8264 continue; 8265 } 8266 String names[] = p.info.authority.split(";"); 8267 for (int j = 0; j < names.length; j++) { 8268 if (mProvidersByAuthority.get(names[j]) == p) { 8269 mProvidersByAuthority.remove(names[j]); 8270 if (DEBUG_REMOVE) { 8271 if (chatty) 8272 Log.d(TAG, "Unregistered content provider: " + names[j] 8273 + ", className = " + p.info.name + ", isSyncable = " 8274 + p.info.isSyncable); 8275 } 8276 } 8277 } 8278 if (DEBUG_REMOVE && chatty) { 8279 if (r == null) { 8280 r = new StringBuilder(256); 8281 } else { 8282 r.append(' '); 8283 } 8284 r.append(p.info.name); 8285 } 8286 } 8287 if (r != null) { 8288 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8289 } 8290 8291 N = pkg.services.size(); 8292 r = null; 8293 for (i=0; i<N; i++) { 8294 PackageParser.Service s = pkg.services.get(i); 8295 mServices.removeService(s); 8296 if (chatty) { 8297 if (r == null) { 8298 r = new StringBuilder(256); 8299 } else { 8300 r.append(' '); 8301 } 8302 r.append(s.info.name); 8303 } 8304 } 8305 if (r != null) { 8306 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8307 } 8308 8309 N = pkg.receivers.size(); 8310 r = null; 8311 for (i=0; i<N; i++) { 8312 PackageParser.Activity a = pkg.receivers.get(i); 8313 mReceivers.removeActivity(a, "receiver"); 8314 if (DEBUG_REMOVE && chatty) { 8315 if (r == null) { 8316 r = new StringBuilder(256); 8317 } else { 8318 r.append(' '); 8319 } 8320 r.append(a.info.name); 8321 } 8322 } 8323 if (r != null) { 8324 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8325 } 8326 8327 N = pkg.activities.size(); 8328 r = null; 8329 for (i=0; i<N; i++) { 8330 PackageParser.Activity a = pkg.activities.get(i); 8331 mActivities.removeActivity(a, "activity"); 8332 if (DEBUG_REMOVE && chatty) { 8333 if (r == null) { 8334 r = new StringBuilder(256); 8335 } else { 8336 r.append(' '); 8337 } 8338 r.append(a.info.name); 8339 } 8340 } 8341 if (r != null) { 8342 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8343 } 8344 8345 N = pkg.permissions.size(); 8346 r = null; 8347 for (i=0; i<N; i++) { 8348 PackageParser.Permission p = pkg.permissions.get(i); 8349 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8350 if (bp == null) { 8351 bp = mSettings.mPermissionTrees.get(p.info.name); 8352 } 8353 if (bp != null && bp.perm == p) { 8354 bp.perm = null; 8355 if (DEBUG_REMOVE && chatty) { 8356 if (r == null) { 8357 r = new StringBuilder(256); 8358 } else { 8359 r.append(' '); 8360 } 8361 r.append(p.info.name); 8362 } 8363 } 8364 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8365 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 8366 if (appOpPerms != null) { 8367 appOpPerms.remove(pkg.packageName); 8368 } 8369 } 8370 } 8371 if (r != null) { 8372 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8373 } 8374 8375 N = pkg.requestedPermissions.size(); 8376 r = null; 8377 for (i=0; i<N; i++) { 8378 String perm = pkg.requestedPermissions.get(i); 8379 BasePermission bp = mSettings.mPermissions.get(perm); 8380 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8381 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 8382 if (appOpPerms != null) { 8383 appOpPerms.remove(pkg.packageName); 8384 if (appOpPerms.isEmpty()) { 8385 mAppOpPermissionPackages.remove(perm); 8386 } 8387 } 8388 } 8389 } 8390 if (r != null) { 8391 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8392 } 8393 8394 N = pkg.instrumentation.size(); 8395 r = null; 8396 for (i=0; i<N; i++) { 8397 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8398 mInstrumentation.remove(a.getComponentName()); 8399 if (DEBUG_REMOVE && chatty) { 8400 if (r == null) { 8401 r = new StringBuilder(256); 8402 } else { 8403 r.append(' '); 8404 } 8405 r.append(a.info.name); 8406 } 8407 } 8408 if (r != null) { 8409 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8410 } 8411 8412 r = null; 8413 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8414 // Only system apps can hold shared libraries. 8415 if (pkg.libraryNames != null) { 8416 for (i=0; i<pkg.libraryNames.size(); i++) { 8417 String name = pkg.libraryNames.get(i); 8418 SharedLibraryEntry cur = mSharedLibraries.get(name); 8419 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8420 mSharedLibraries.remove(name); 8421 if (DEBUG_REMOVE && chatty) { 8422 if (r == null) { 8423 r = new StringBuilder(256); 8424 } else { 8425 r.append(' '); 8426 } 8427 r.append(name); 8428 } 8429 } 8430 } 8431 } 8432 } 8433 if (r != null) { 8434 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8435 } 8436 } 8437 8438 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8439 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8440 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8441 return true; 8442 } 8443 } 8444 return false; 8445 } 8446 8447 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8448 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8449 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8450 8451 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 8452 int flags) { 8453 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 8454 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 8455 } 8456 8457 private void updatePermissionsLPw(String changingPkg, 8458 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 8459 // Make sure there are no dangling permission trees. 8460 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8461 while (it.hasNext()) { 8462 final BasePermission bp = it.next(); 8463 if (bp.packageSetting == null) { 8464 // We may not yet have parsed the package, so just see if 8465 // we still know about its settings. 8466 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8467 } 8468 if (bp.packageSetting == null) { 8469 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8470 + " from package " + bp.sourcePackage); 8471 it.remove(); 8472 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8473 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8474 Slog.i(TAG, "Removing old permission tree: " + bp.name 8475 + " from package " + bp.sourcePackage); 8476 flags |= UPDATE_PERMISSIONS_ALL; 8477 it.remove(); 8478 } 8479 } 8480 } 8481 8482 // Make sure all dynamic permissions have been assigned to a package, 8483 // and make sure there are no dangling permissions. 8484 it = mSettings.mPermissions.values().iterator(); 8485 while (it.hasNext()) { 8486 final BasePermission bp = it.next(); 8487 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8488 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8489 + bp.name + " pkg=" + bp.sourcePackage 8490 + " info=" + bp.pendingInfo); 8491 if (bp.packageSetting == null && bp.pendingInfo != null) { 8492 final BasePermission tree = findPermissionTreeLP(bp.name); 8493 if (tree != null && tree.perm != null) { 8494 bp.packageSetting = tree.packageSetting; 8495 bp.perm = new PackageParser.Permission(tree.perm.owner, 8496 new PermissionInfo(bp.pendingInfo)); 8497 bp.perm.info.packageName = tree.perm.info.packageName; 8498 bp.perm.info.name = bp.name; 8499 bp.uid = tree.uid; 8500 } 8501 } 8502 } 8503 if (bp.packageSetting == null) { 8504 // We may not yet have parsed the package, so just see if 8505 // we still know about its settings. 8506 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8507 } 8508 if (bp.packageSetting == null) { 8509 Slog.w(TAG, "Removing dangling permission: " + bp.name 8510 + " from package " + bp.sourcePackage); 8511 it.remove(); 8512 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8513 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8514 Slog.i(TAG, "Removing old permission: " + bp.name 8515 + " from package " + bp.sourcePackage); 8516 flags |= UPDATE_PERMISSIONS_ALL; 8517 it.remove(); 8518 } 8519 } 8520 } 8521 8522 // Now update the permissions for all packages, in particular 8523 // replace the granted permissions of the system packages. 8524 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8525 for (PackageParser.Package pkg : mPackages.values()) { 8526 if (pkg != pkgInfo) { 8527 // Only replace for packages on requested volume 8528 final String volumeUuid = getVolumeUuidForPackage(pkg); 8529 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 8530 && Objects.equals(replaceVolumeUuid, volumeUuid); 8531 grantPermissionsLPw(pkg, replace, changingPkg); 8532 } 8533 } 8534 } 8535 8536 if (pkgInfo != null) { 8537 // Only replace for packages on requested volume 8538 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 8539 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 8540 && Objects.equals(replaceVolumeUuid, volumeUuid); 8541 grantPermissionsLPw(pkgInfo, replace, changingPkg); 8542 } 8543 } 8544 8545 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8546 String packageOfInterest) { 8547 // IMPORTANT: There are two types of permissions: install and runtime. 8548 // Install time permissions are granted when the app is installed to 8549 // all device users and users added in the future. Runtime permissions 8550 // are granted at runtime explicitly to specific users. Normal and signature 8551 // protected permissions are install time permissions. Dangerous permissions 8552 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8553 // otherwise they are runtime permissions. This function does not manage 8554 // runtime permissions except for the case an app targeting Lollipop MR1 8555 // being upgraded to target a newer SDK, in which case dangerous permissions 8556 // are transformed from install time to runtime ones. 8557 8558 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8559 if (ps == null) { 8560 return; 8561 } 8562 8563 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 8564 8565 PermissionsState permissionsState = ps.getPermissionsState(); 8566 PermissionsState origPermissions = permissionsState; 8567 8568 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8569 8570 boolean runtimePermissionsRevoked = false; 8571 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8572 8573 boolean changedInstallPermission = false; 8574 8575 if (replace) { 8576 ps.installPermissionsFixed = false; 8577 if (!ps.isSharedUser()) { 8578 origPermissions = new PermissionsState(permissionsState); 8579 permissionsState.reset(); 8580 } else { 8581 // We need to know only about runtime permission changes since the 8582 // calling code always writes the install permissions state but 8583 // the runtime ones are written only if changed. The only cases of 8584 // changed runtime permissions here are promotion of an install to 8585 // runtime and revocation of a runtime from a shared user. 8586 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 8587 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 8588 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 8589 runtimePermissionsRevoked = true; 8590 } 8591 } 8592 } 8593 8594 permissionsState.setGlobalGids(mGlobalGids); 8595 8596 final int N = pkg.requestedPermissions.size(); 8597 for (int i=0; i<N; i++) { 8598 final String name = pkg.requestedPermissions.get(i); 8599 final BasePermission bp = mSettings.mPermissions.get(name); 8600 8601 if (DEBUG_INSTALL) { 8602 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8603 } 8604 8605 if (bp == null || bp.packageSetting == null) { 8606 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8607 Slog.w(TAG, "Unknown permission " + name 8608 + " in package " + pkg.packageName); 8609 } 8610 continue; 8611 } 8612 8613 final String perm = bp.name; 8614 boolean allowedSig = false; 8615 int grant = GRANT_DENIED; 8616 8617 // Keep track of app op permissions. 8618 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8619 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8620 if (pkgs == null) { 8621 pkgs = new ArraySet<>(); 8622 mAppOpPermissionPackages.put(bp.name, pkgs); 8623 } 8624 pkgs.add(pkg.packageName); 8625 } 8626 8627 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8628 switch (level) { 8629 case PermissionInfo.PROTECTION_NORMAL: { 8630 // For all apps normal permissions are install time ones. 8631 grant = GRANT_INSTALL; 8632 } break; 8633 8634 case PermissionInfo.PROTECTION_DANGEROUS: { 8635 if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) { 8636 // For legacy apps dangerous permissions are install time ones. 8637 grant = GRANT_INSTALL_LEGACY; 8638 } else if (origPermissions.hasInstallPermission(bp.name)) { 8639 // For legacy apps that became modern, install becomes runtime. 8640 grant = GRANT_UPGRADE; 8641 } else if (mPromoteSystemApps 8642 && isSystemApp(ps) 8643 && mExistingSystemPackages.contains(ps.name)) { 8644 // For legacy system apps, install becomes runtime. 8645 // We cannot check hasInstallPermission() for system apps since those 8646 // permissions were granted implicitly and not persisted pre-M. 8647 grant = GRANT_UPGRADE; 8648 } else { 8649 // For modern apps keep runtime permissions unchanged. 8650 grant = GRANT_RUNTIME; 8651 } 8652 } break; 8653 8654 case PermissionInfo.PROTECTION_SIGNATURE: { 8655 // For all apps signature permissions are install time ones. 8656 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8657 if (allowedSig) { 8658 grant = GRANT_INSTALL; 8659 } 8660 } break; 8661 } 8662 8663 if (DEBUG_INSTALL) { 8664 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8665 } 8666 8667 if (grant != GRANT_DENIED) { 8668 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8669 // If this is an existing, non-system package, then 8670 // we can't add any new permissions to it. 8671 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8672 // Except... if this is a permission that was added 8673 // to the platform (note: need to only do this when 8674 // updating the platform). 8675 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8676 grant = GRANT_DENIED; 8677 } 8678 } 8679 } 8680 8681 switch (grant) { 8682 case GRANT_INSTALL: { 8683 // Revoke this as runtime permission to handle the case of 8684 // a runtime permission being downgraded to an install one. 8685 for (int userId : UserManagerService.getInstance().getUserIds()) { 8686 if (origPermissions.getRuntimePermissionState( 8687 bp.name, userId) != null) { 8688 // Revoke the runtime permission and clear the flags. 8689 origPermissions.revokeRuntimePermission(bp, userId); 8690 origPermissions.updatePermissionFlags(bp, userId, 8691 PackageManager.MASK_PERMISSION_FLAGS, 0); 8692 // If we revoked a permission permission, we have to write. 8693 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8694 changedRuntimePermissionUserIds, userId); 8695 } 8696 } 8697 // Grant an install permission. 8698 if (permissionsState.grantInstallPermission(bp) != 8699 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8700 changedInstallPermission = true; 8701 } 8702 } break; 8703 8704 case GRANT_INSTALL_LEGACY: { 8705 // Grant an install permission. 8706 if (permissionsState.grantInstallPermission(bp) != 8707 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8708 changedInstallPermission = true; 8709 } 8710 } break; 8711 8712 case GRANT_RUNTIME: { 8713 // Grant previously granted runtime permissions. 8714 for (int userId : UserManagerService.getInstance().getUserIds()) { 8715 PermissionState permissionState = origPermissions 8716 .getRuntimePermissionState(bp.name, userId); 8717 final int flags = permissionState != null 8718 ? permissionState.getFlags() : 0; 8719 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8720 if (permissionsState.grantRuntimePermission(bp, userId) == 8721 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8722 // If we cannot put the permission as it was, we have to write. 8723 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8724 changedRuntimePermissionUserIds, userId); 8725 } 8726 } 8727 // Propagate the permission flags. 8728 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8729 } 8730 } break; 8731 8732 case GRANT_UPGRADE: { 8733 // Grant runtime permissions for a previously held install permission. 8734 PermissionState permissionState = origPermissions 8735 .getInstallPermissionState(bp.name); 8736 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8737 8738 if (origPermissions.revokeInstallPermission(bp) 8739 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8740 // We will be transferring the permission flags, so clear them. 8741 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8742 PackageManager.MASK_PERMISSION_FLAGS, 0); 8743 changedInstallPermission = true; 8744 } 8745 8746 // If the permission is not to be promoted to runtime we ignore it and 8747 // also its other flags as they are not applicable to install permissions. 8748 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8749 for (int userId : currentUserIds) { 8750 if (permissionsState.grantRuntimePermission(bp, userId) != 8751 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8752 // Transfer the permission flags. 8753 permissionsState.updatePermissionFlags(bp, userId, 8754 flags, flags); 8755 // If we granted the permission, we have to write. 8756 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8757 changedRuntimePermissionUserIds, userId); 8758 } 8759 } 8760 } 8761 } break; 8762 8763 default: { 8764 if (packageOfInterest == null 8765 || packageOfInterest.equals(pkg.packageName)) { 8766 Slog.w(TAG, "Not granting permission " + perm 8767 + " to package " + pkg.packageName 8768 + " because it was previously installed without"); 8769 } 8770 } break; 8771 } 8772 } else { 8773 if (permissionsState.revokeInstallPermission(bp) != 8774 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8775 // Also drop the permission flags. 8776 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8777 PackageManager.MASK_PERMISSION_FLAGS, 0); 8778 changedInstallPermission = true; 8779 Slog.i(TAG, "Un-granting permission " + perm 8780 + " from package " + pkg.packageName 8781 + " (protectionLevel=" + bp.protectionLevel 8782 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8783 + ")"); 8784 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8785 // Don't print warning for app op permissions, since it is fine for them 8786 // not to be granted, there is a UI for the user to decide. 8787 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8788 Slog.w(TAG, "Not granting permission " + perm 8789 + " to package " + pkg.packageName 8790 + " (protectionLevel=" + bp.protectionLevel 8791 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8792 + ")"); 8793 } 8794 } 8795 } 8796 } 8797 8798 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8799 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8800 // This is the first that we have heard about this package, so the 8801 // permissions we have now selected are fixed until explicitly 8802 // changed. 8803 ps.installPermissionsFixed = true; 8804 } 8805 8806 // Persist the runtime permissions state for users with changes. If permissions 8807 // were revoked because no app in the shared user declares them we have to 8808 // write synchronously to avoid losing runtime permissions state. 8809 for (int userId : changedRuntimePermissionUserIds) { 8810 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 8811 } 8812 8813 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8814 } 8815 8816 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8817 boolean allowed = false; 8818 final int NP = PackageParser.NEW_PERMISSIONS.length; 8819 for (int ip=0; ip<NP; ip++) { 8820 final PackageParser.NewPermissionInfo npi 8821 = PackageParser.NEW_PERMISSIONS[ip]; 8822 if (npi.name.equals(perm) 8823 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8824 allowed = true; 8825 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8826 + pkg.packageName); 8827 break; 8828 } 8829 } 8830 return allowed; 8831 } 8832 8833 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8834 BasePermission bp, PermissionsState origPermissions) { 8835 boolean allowed; 8836 allowed = (compareSignatures( 8837 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8838 == PackageManager.SIGNATURE_MATCH) 8839 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8840 == PackageManager.SIGNATURE_MATCH); 8841 if (!allowed && (bp.protectionLevel 8842 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8843 if (isSystemApp(pkg)) { 8844 // For updated system applications, a system permission 8845 // is granted only if it had been defined by the original application. 8846 if (pkg.isUpdatedSystemApp()) { 8847 final PackageSetting sysPs = mSettings 8848 .getDisabledSystemPkgLPr(pkg.packageName); 8849 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8850 // If the original was granted this permission, we take 8851 // that grant decision as read and propagate it to the 8852 // update. 8853 if (sysPs.isPrivileged()) { 8854 allowed = true; 8855 } 8856 } else { 8857 // The system apk may have been updated with an older 8858 // version of the one on the data partition, but which 8859 // granted a new system permission that it didn't have 8860 // before. In this case we do want to allow the app to 8861 // now get the new permission if the ancestral apk is 8862 // privileged to get it. 8863 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8864 for (int j=0; 8865 j<sysPs.pkg.requestedPermissions.size(); j++) { 8866 if (perm.equals( 8867 sysPs.pkg.requestedPermissions.get(j))) { 8868 allowed = true; 8869 break; 8870 } 8871 } 8872 } 8873 } 8874 } else { 8875 allowed = isPrivilegedApp(pkg); 8876 } 8877 } 8878 } 8879 if (!allowed) { 8880 if (!allowed && (bp.protectionLevel 8881 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8882 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 8883 // If this was a previously normal/dangerous permission that got moved 8884 // to a system permission as part of the runtime permission redesign, then 8885 // we still want to blindly grant it to old apps. 8886 allowed = true; 8887 } 8888 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8889 && pkg.packageName.equals(mRequiredInstallerPackage)) { 8890 // If this permission is to be granted to the system installer and 8891 // this app is an installer, then it gets the permission. 8892 allowed = true; 8893 } 8894 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 8895 && pkg.packageName.equals(mRequiredVerifierPackage)) { 8896 // If this permission is to be granted to the system verifier and 8897 // this app is a verifier, then it gets the permission. 8898 allowed = true; 8899 } 8900 if (!allowed && (bp.protectionLevel 8901 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 8902 && isSystemApp(pkg)) { 8903 // Any pre-installed system app is allowed to get this permission. 8904 allowed = true; 8905 } 8906 if (!allowed && (bp.protectionLevel 8907 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 8908 // For development permissions, a development permission 8909 // is granted only if it was already granted. 8910 allowed = origPermissions.hasInstallPermission(perm); 8911 } 8912 } 8913 return allowed; 8914 } 8915 8916 final class ActivityIntentResolver 8917 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 8918 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8919 boolean defaultOnly, int userId) { 8920 if (!sUserManager.exists(userId)) return null; 8921 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8922 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8923 } 8924 8925 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8926 int userId) { 8927 if (!sUserManager.exists(userId)) return null; 8928 mFlags = flags; 8929 return super.queryIntent(intent, resolvedType, 8930 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8931 } 8932 8933 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8934 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 8935 if (!sUserManager.exists(userId)) return null; 8936 if (packageActivities == null) { 8937 return null; 8938 } 8939 mFlags = flags; 8940 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8941 final int N = packageActivities.size(); 8942 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 8943 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 8944 8945 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 8946 for (int i = 0; i < N; ++i) { 8947 intentFilters = packageActivities.get(i).intents; 8948 if (intentFilters != null && intentFilters.size() > 0) { 8949 PackageParser.ActivityIntentInfo[] array = 8950 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 8951 intentFilters.toArray(array); 8952 listCut.add(array); 8953 } 8954 } 8955 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8956 } 8957 8958 public final void addActivity(PackageParser.Activity a, String type) { 8959 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 8960 mActivities.put(a.getComponentName(), a); 8961 if (DEBUG_SHOW_INFO) 8962 Log.v( 8963 TAG, " " + type + " " + 8964 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 8965 if (DEBUG_SHOW_INFO) 8966 Log.v(TAG, " Class=" + a.info.name); 8967 final int NI = a.intents.size(); 8968 for (int j=0; j<NI; j++) { 8969 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8970 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 8971 intent.setPriority(0); 8972 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 8973 + a.className + " with priority > 0, forcing to 0"); 8974 } 8975 if (DEBUG_SHOW_INFO) { 8976 Log.v(TAG, " IntentFilter:"); 8977 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8978 } 8979 if (!intent.debugCheck()) { 8980 Log.w(TAG, "==> For Activity " + a.info.name); 8981 } 8982 addFilter(intent); 8983 } 8984 } 8985 8986 public final void removeActivity(PackageParser.Activity a, String type) { 8987 mActivities.remove(a.getComponentName()); 8988 if (DEBUG_SHOW_INFO) { 8989 Log.v(TAG, " " + type + " " 8990 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 8991 : a.info.name) + ":"); 8992 Log.v(TAG, " Class=" + a.info.name); 8993 } 8994 final int NI = a.intents.size(); 8995 for (int j=0; j<NI; j++) { 8996 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8997 if (DEBUG_SHOW_INFO) { 8998 Log.v(TAG, " IntentFilter:"); 8999 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9000 } 9001 removeFilter(intent); 9002 } 9003 } 9004 9005 @Override 9006 protected boolean allowFilterResult( 9007 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9008 ActivityInfo filterAi = filter.activity.info; 9009 for (int i=dest.size()-1; i>=0; i--) { 9010 ActivityInfo destAi = dest.get(i).activityInfo; 9011 if (destAi.name == filterAi.name 9012 && destAi.packageName == filterAi.packageName) { 9013 return false; 9014 } 9015 } 9016 return true; 9017 } 9018 9019 @Override 9020 protected ActivityIntentInfo[] newArray(int size) { 9021 return new ActivityIntentInfo[size]; 9022 } 9023 9024 @Override 9025 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9026 if (!sUserManager.exists(userId)) return true; 9027 PackageParser.Package p = filter.activity.owner; 9028 if (p != null) { 9029 PackageSetting ps = (PackageSetting)p.mExtras; 9030 if (ps != null) { 9031 // System apps are never considered stopped for purposes of 9032 // filtering, because there may be no way for the user to 9033 // actually re-launch them. 9034 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9035 && ps.getStopped(userId); 9036 } 9037 } 9038 return false; 9039 } 9040 9041 @Override 9042 protected boolean isPackageForFilter(String packageName, 9043 PackageParser.ActivityIntentInfo info) { 9044 return packageName.equals(info.activity.owner.packageName); 9045 } 9046 9047 @Override 9048 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9049 int match, int userId) { 9050 if (!sUserManager.exists(userId)) return null; 9051 if (!mSettings.isEnabledAndVisibleLPr(info.activity.info, mFlags, userId)) { 9052 return null; 9053 } 9054 final PackageParser.Activity activity = info.activity; 9055 if (mSafeMode && (activity.info.applicationInfo.flags 9056 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9057 return null; 9058 } 9059 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9060 if (ps == null) { 9061 return null; 9062 } 9063 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9064 ps.readUserState(userId), userId); 9065 if (ai == null) { 9066 return null; 9067 } 9068 final ResolveInfo res = new ResolveInfo(); 9069 res.activityInfo = ai; 9070 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9071 res.filter = info; 9072 } 9073 if (info != null) { 9074 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9075 } 9076 res.priority = info.getPriority(); 9077 res.preferredOrder = activity.owner.mPreferredOrder; 9078 //System.out.println("Result: " + res.activityInfo.className + 9079 // " = " + res.priority); 9080 res.match = match; 9081 res.isDefault = info.hasDefault; 9082 res.labelRes = info.labelRes; 9083 res.nonLocalizedLabel = info.nonLocalizedLabel; 9084 if (userNeedsBadging(userId)) { 9085 res.noResourceId = true; 9086 } else { 9087 res.icon = info.icon; 9088 } 9089 res.iconResourceId = info.icon; 9090 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9091 return res; 9092 } 9093 9094 @Override 9095 protected void sortResults(List<ResolveInfo> results) { 9096 Collections.sort(results, mResolvePrioritySorter); 9097 } 9098 9099 @Override 9100 protected void dumpFilter(PrintWriter out, String prefix, 9101 PackageParser.ActivityIntentInfo filter) { 9102 out.print(prefix); out.print( 9103 Integer.toHexString(System.identityHashCode(filter.activity))); 9104 out.print(' '); 9105 filter.activity.printComponentShortName(out); 9106 out.print(" filter "); 9107 out.println(Integer.toHexString(System.identityHashCode(filter))); 9108 } 9109 9110 @Override 9111 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9112 return filter.activity; 9113 } 9114 9115 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9116 PackageParser.Activity activity = (PackageParser.Activity)label; 9117 out.print(prefix); out.print( 9118 Integer.toHexString(System.identityHashCode(activity))); 9119 out.print(' '); 9120 activity.printComponentShortName(out); 9121 if (count > 1) { 9122 out.print(" ("); out.print(count); out.print(" filters)"); 9123 } 9124 out.println(); 9125 } 9126 9127// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9128// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9129// final List<ResolveInfo> retList = Lists.newArrayList(); 9130// while (i.hasNext()) { 9131// final ResolveInfo resolveInfo = i.next(); 9132// if (isEnabledLP(resolveInfo.activityInfo)) { 9133// retList.add(resolveInfo); 9134// } 9135// } 9136// return retList; 9137// } 9138 9139 // Keys are String (activity class name), values are Activity. 9140 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9141 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9142 private int mFlags; 9143 } 9144 9145 private final class ServiceIntentResolver 9146 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9147 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9148 boolean defaultOnly, int userId) { 9149 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9150 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9151 } 9152 9153 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9154 int userId) { 9155 if (!sUserManager.exists(userId)) return null; 9156 mFlags = flags; 9157 return super.queryIntent(intent, resolvedType, 9158 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9159 } 9160 9161 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9162 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9163 if (!sUserManager.exists(userId)) return null; 9164 if (packageServices == null) { 9165 return null; 9166 } 9167 mFlags = flags; 9168 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9169 final int N = packageServices.size(); 9170 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9171 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9172 9173 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9174 for (int i = 0; i < N; ++i) { 9175 intentFilters = packageServices.get(i).intents; 9176 if (intentFilters != null && intentFilters.size() > 0) { 9177 PackageParser.ServiceIntentInfo[] array = 9178 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9179 intentFilters.toArray(array); 9180 listCut.add(array); 9181 } 9182 } 9183 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9184 } 9185 9186 public final void addService(PackageParser.Service s) { 9187 mServices.put(s.getComponentName(), s); 9188 if (DEBUG_SHOW_INFO) { 9189 Log.v(TAG, " " 9190 + (s.info.nonLocalizedLabel != null 9191 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9192 Log.v(TAG, " Class=" + s.info.name); 9193 } 9194 final int NI = s.intents.size(); 9195 int j; 9196 for (j=0; j<NI; j++) { 9197 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9198 if (DEBUG_SHOW_INFO) { 9199 Log.v(TAG, " IntentFilter:"); 9200 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9201 } 9202 if (!intent.debugCheck()) { 9203 Log.w(TAG, "==> For Service " + s.info.name); 9204 } 9205 addFilter(intent); 9206 } 9207 } 9208 9209 public final void removeService(PackageParser.Service s) { 9210 mServices.remove(s.getComponentName()); 9211 if (DEBUG_SHOW_INFO) { 9212 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9213 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9214 Log.v(TAG, " Class=" + s.info.name); 9215 } 9216 final int NI = s.intents.size(); 9217 int j; 9218 for (j=0; j<NI; j++) { 9219 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9220 if (DEBUG_SHOW_INFO) { 9221 Log.v(TAG, " IntentFilter:"); 9222 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9223 } 9224 removeFilter(intent); 9225 } 9226 } 9227 9228 @Override 9229 protected boolean allowFilterResult( 9230 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9231 ServiceInfo filterSi = filter.service.info; 9232 for (int i=dest.size()-1; i>=0; i--) { 9233 ServiceInfo destAi = dest.get(i).serviceInfo; 9234 if (destAi.name == filterSi.name 9235 && destAi.packageName == filterSi.packageName) { 9236 return false; 9237 } 9238 } 9239 return true; 9240 } 9241 9242 @Override 9243 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9244 return new PackageParser.ServiceIntentInfo[size]; 9245 } 9246 9247 @Override 9248 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9249 if (!sUserManager.exists(userId)) return true; 9250 PackageParser.Package p = filter.service.owner; 9251 if (p != null) { 9252 PackageSetting ps = (PackageSetting)p.mExtras; 9253 if (ps != null) { 9254 // System apps are never considered stopped for purposes of 9255 // filtering, because there may be no way for the user to 9256 // actually re-launch them. 9257 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9258 && ps.getStopped(userId); 9259 } 9260 } 9261 return false; 9262 } 9263 9264 @Override 9265 protected boolean isPackageForFilter(String packageName, 9266 PackageParser.ServiceIntentInfo info) { 9267 return packageName.equals(info.service.owner.packageName); 9268 } 9269 9270 @Override 9271 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9272 int match, int userId) { 9273 if (!sUserManager.exists(userId)) return null; 9274 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9275 if (!mSettings.isEnabledAndVisibleLPr(info.service.info, mFlags, userId)) { 9276 return null; 9277 } 9278 final PackageParser.Service service = info.service; 9279 if (mSafeMode && (service.info.applicationInfo.flags 9280 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9281 return null; 9282 } 9283 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9284 if (ps == null) { 9285 return null; 9286 } 9287 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9288 ps.readUserState(userId), userId); 9289 if (si == null) { 9290 return null; 9291 } 9292 final ResolveInfo res = new ResolveInfo(); 9293 res.serviceInfo = si; 9294 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9295 res.filter = filter; 9296 } 9297 res.priority = info.getPriority(); 9298 res.preferredOrder = service.owner.mPreferredOrder; 9299 res.match = match; 9300 res.isDefault = info.hasDefault; 9301 res.labelRes = info.labelRes; 9302 res.nonLocalizedLabel = info.nonLocalizedLabel; 9303 res.icon = info.icon; 9304 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9305 return res; 9306 } 9307 9308 @Override 9309 protected void sortResults(List<ResolveInfo> results) { 9310 Collections.sort(results, mResolvePrioritySorter); 9311 } 9312 9313 @Override 9314 protected void dumpFilter(PrintWriter out, String prefix, 9315 PackageParser.ServiceIntentInfo filter) { 9316 out.print(prefix); out.print( 9317 Integer.toHexString(System.identityHashCode(filter.service))); 9318 out.print(' '); 9319 filter.service.printComponentShortName(out); 9320 out.print(" filter "); 9321 out.println(Integer.toHexString(System.identityHashCode(filter))); 9322 } 9323 9324 @Override 9325 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9326 return filter.service; 9327 } 9328 9329 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9330 PackageParser.Service service = (PackageParser.Service)label; 9331 out.print(prefix); out.print( 9332 Integer.toHexString(System.identityHashCode(service))); 9333 out.print(' '); 9334 service.printComponentShortName(out); 9335 if (count > 1) { 9336 out.print(" ("); out.print(count); out.print(" filters)"); 9337 } 9338 out.println(); 9339 } 9340 9341// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9342// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9343// final List<ResolveInfo> retList = Lists.newArrayList(); 9344// while (i.hasNext()) { 9345// final ResolveInfo resolveInfo = (ResolveInfo) i; 9346// if (isEnabledLP(resolveInfo.serviceInfo)) { 9347// retList.add(resolveInfo); 9348// } 9349// } 9350// return retList; 9351// } 9352 9353 // Keys are String (activity class name), values are Activity. 9354 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9355 = new ArrayMap<ComponentName, PackageParser.Service>(); 9356 private int mFlags; 9357 }; 9358 9359 private final class ProviderIntentResolver 9360 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9361 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9362 boolean defaultOnly, int userId) { 9363 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9364 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9365 } 9366 9367 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9368 int userId) { 9369 if (!sUserManager.exists(userId)) 9370 return null; 9371 mFlags = flags; 9372 return super.queryIntent(intent, resolvedType, 9373 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9374 } 9375 9376 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9377 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9378 if (!sUserManager.exists(userId)) 9379 return null; 9380 if (packageProviders == null) { 9381 return null; 9382 } 9383 mFlags = flags; 9384 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9385 final int N = packageProviders.size(); 9386 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9387 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9388 9389 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9390 for (int i = 0; i < N; ++i) { 9391 intentFilters = packageProviders.get(i).intents; 9392 if (intentFilters != null && intentFilters.size() > 0) { 9393 PackageParser.ProviderIntentInfo[] array = 9394 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9395 intentFilters.toArray(array); 9396 listCut.add(array); 9397 } 9398 } 9399 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9400 } 9401 9402 public final void addProvider(PackageParser.Provider p) { 9403 if (mProviders.containsKey(p.getComponentName())) { 9404 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9405 return; 9406 } 9407 9408 mProviders.put(p.getComponentName(), p); 9409 if (DEBUG_SHOW_INFO) { 9410 Log.v(TAG, " " 9411 + (p.info.nonLocalizedLabel != null 9412 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9413 Log.v(TAG, " Class=" + p.info.name); 9414 } 9415 final int NI = p.intents.size(); 9416 int j; 9417 for (j = 0; j < NI; j++) { 9418 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9419 if (DEBUG_SHOW_INFO) { 9420 Log.v(TAG, " IntentFilter:"); 9421 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9422 } 9423 if (!intent.debugCheck()) { 9424 Log.w(TAG, "==> For Provider " + p.info.name); 9425 } 9426 addFilter(intent); 9427 } 9428 } 9429 9430 public final void removeProvider(PackageParser.Provider p) { 9431 mProviders.remove(p.getComponentName()); 9432 if (DEBUG_SHOW_INFO) { 9433 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9434 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9435 Log.v(TAG, " Class=" + p.info.name); 9436 } 9437 final int NI = p.intents.size(); 9438 int j; 9439 for (j = 0; j < NI; j++) { 9440 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9441 if (DEBUG_SHOW_INFO) { 9442 Log.v(TAG, " IntentFilter:"); 9443 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9444 } 9445 removeFilter(intent); 9446 } 9447 } 9448 9449 @Override 9450 protected boolean allowFilterResult( 9451 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9452 ProviderInfo filterPi = filter.provider.info; 9453 for (int i = dest.size() - 1; i >= 0; i--) { 9454 ProviderInfo destPi = dest.get(i).providerInfo; 9455 if (destPi.name == filterPi.name 9456 && destPi.packageName == filterPi.packageName) { 9457 return false; 9458 } 9459 } 9460 return true; 9461 } 9462 9463 @Override 9464 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9465 return new PackageParser.ProviderIntentInfo[size]; 9466 } 9467 9468 @Override 9469 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9470 if (!sUserManager.exists(userId)) 9471 return true; 9472 PackageParser.Package p = filter.provider.owner; 9473 if (p != null) { 9474 PackageSetting ps = (PackageSetting) p.mExtras; 9475 if (ps != null) { 9476 // System apps are never considered stopped for purposes of 9477 // filtering, because there may be no way for the user to 9478 // actually re-launch them. 9479 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9480 && ps.getStopped(userId); 9481 } 9482 } 9483 return false; 9484 } 9485 9486 @Override 9487 protected boolean isPackageForFilter(String packageName, 9488 PackageParser.ProviderIntentInfo info) { 9489 return packageName.equals(info.provider.owner.packageName); 9490 } 9491 9492 @Override 9493 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9494 int match, int userId) { 9495 if (!sUserManager.exists(userId)) 9496 return null; 9497 final PackageParser.ProviderIntentInfo info = filter; 9498 if (!mSettings.isEnabledAndVisibleLPr(info.provider.info, mFlags, userId)) { 9499 return null; 9500 } 9501 final PackageParser.Provider provider = info.provider; 9502 if (mSafeMode && (provider.info.applicationInfo.flags 9503 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9504 return null; 9505 } 9506 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9507 if (ps == null) { 9508 return null; 9509 } 9510 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9511 ps.readUserState(userId), userId); 9512 if (pi == null) { 9513 return null; 9514 } 9515 final ResolveInfo res = new ResolveInfo(); 9516 res.providerInfo = pi; 9517 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9518 res.filter = filter; 9519 } 9520 res.priority = info.getPriority(); 9521 res.preferredOrder = provider.owner.mPreferredOrder; 9522 res.match = match; 9523 res.isDefault = info.hasDefault; 9524 res.labelRes = info.labelRes; 9525 res.nonLocalizedLabel = info.nonLocalizedLabel; 9526 res.icon = info.icon; 9527 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9528 return res; 9529 } 9530 9531 @Override 9532 protected void sortResults(List<ResolveInfo> results) { 9533 Collections.sort(results, mResolvePrioritySorter); 9534 } 9535 9536 @Override 9537 protected void dumpFilter(PrintWriter out, String prefix, 9538 PackageParser.ProviderIntentInfo filter) { 9539 out.print(prefix); 9540 out.print( 9541 Integer.toHexString(System.identityHashCode(filter.provider))); 9542 out.print(' '); 9543 filter.provider.printComponentShortName(out); 9544 out.print(" filter "); 9545 out.println(Integer.toHexString(System.identityHashCode(filter))); 9546 } 9547 9548 @Override 9549 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9550 return filter.provider; 9551 } 9552 9553 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9554 PackageParser.Provider provider = (PackageParser.Provider)label; 9555 out.print(prefix); out.print( 9556 Integer.toHexString(System.identityHashCode(provider))); 9557 out.print(' '); 9558 provider.printComponentShortName(out); 9559 if (count > 1) { 9560 out.print(" ("); out.print(count); out.print(" filters)"); 9561 } 9562 out.println(); 9563 } 9564 9565 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9566 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9567 private int mFlags; 9568 } 9569 9570 private static final class EphemeralIntentResolver 9571 extends IntentResolver<IntentFilter, ResolveInfo> { 9572 @Override 9573 protected IntentFilter[] newArray(int size) { 9574 return new IntentFilter[size]; 9575 } 9576 9577 @Override 9578 protected boolean isPackageForFilter(String packageName, IntentFilter info) { 9579 return true; 9580 } 9581 9582 @Override 9583 protected ResolveInfo newResult(IntentFilter info, int match, int userId) { 9584 if (!sUserManager.exists(userId)) return null; 9585 final ResolveInfo res = new ResolveInfo(); 9586 res.filter = info; 9587 return res; 9588 } 9589 } 9590 9591 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9592 new Comparator<ResolveInfo>() { 9593 public int compare(ResolveInfo r1, ResolveInfo r2) { 9594 int v1 = r1.priority; 9595 int v2 = r2.priority; 9596 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9597 if (v1 != v2) { 9598 return (v1 > v2) ? -1 : 1; 9599 } 9600 v1 = r1.preferredOrder; 9601 v2 = r2.preferredOrder; 9602 if (v1 != v2) { 9603 return (v1 > v2) ? -1 : 1; 9604 } 9605 if (r1.isDefault != r2.isDefault) { 9606 return r1.isDefault ? -1 : 1; 9607 } 9608 v1 = r1.match; 9609 v2 = r2.match; 9610 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9611 if (v1 != v2) { 9612 return (v1 > v2) ? -1 : 1; 9613 } 9614 if (r1.system != r2.system) { 9615 return r1.system ? -1 : 1; 9616 } 9617 return 0; 9618 } 9619 }; 9620 9621 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9622 new Comparator<ProviderInfo>() { 9623 public int compare(ProviderInfo p1, ProviderInfo p2) { 9624 final int v1 = p1.initOrder; 9625 final int v2 = p2.initOrder; 9626 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9627 } 9628 }; 9629 9630 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 9631 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 9632 final int[] userIds) { 9633 mHandler.post(new Runnable() { 9634 @Override 9635 public void run() { 9636 try { 9637 final IActivityManager am = ActivityManagerNative.getDefault(); 9638 if (am == null) return; 9639 final int[] resolvedUserIds; 9640 if (userIds == null) { 9641 resolvedUserIds = am.getRunningUserIds(); 9642 } else { 9643 resolvedUserIds = userIds; 9644 } 9645 for (int id : resolvedUserIds) { 9646 final Intent intent = new Intent(action, 9647 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9648 if (extras != null) { 9649 intent.putExtras(extras); 9650 } 9651 if (targetPkg != null) { 9652 intent.setPackage(targetPkg); 9653 } 9654 // Modify the UID when posting to other users 9655 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9656 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9657 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9658 intent.putExtra(Intent.EXTRA_UID, uid); 9659 } 9660 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9661 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 9662 if (DEBUG_BROADCASTS) { 9663 RuntimeException here = new RuntimeException("here"); 9664 here.fillInStackTrace(); 9665 Slog.d(TAG, "Sending to user " + id + ": " 9666 + intent.toShortString(false, true, false, false) 9667 + " " + intent.getExtras(), here); 9668 } 9669 am.broadcastIntent(null, intent, null, finishedReceiver, 9670 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9671 null, finishedReceiver != null, false, id); 9672 } 9673 } catch (RemoteException ex) { 9674 } 9675 } 9676 }); 9677 } 9678 9679 /** 9680 * Check if the external storage media is available. This is true if there 9681 * is a mounted external storage medium or if the external storage is 9682 * emulated. 9683 */ 9684 private boolean isExternalMediaAvailable() { 9685 return mMediaMounted || Environment.isExternalStorageEmulated(); 9686 } 9687 9688 @Override 9689 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9690 // writer 9691 synchronized (mPackages) { 9692 if (!isExternalMediaAvailable()) { 9693 // If the external storage is no longer mounted at this point, 9694 // the caller may not have been able to delete all of this 9695 // packages files and can not delete any more. Bail. 9696 return null; 9697 } 9698 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9699 if (lastPackage != null) { 9700 pkgs.remove(lastPackage); 9701 } 9702 if (pkgs.size() > 0) { 9703 return pkgs.get(0); 9704 } 9705 } 9706 return null; 9707 } 9708 9709 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9710 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9711 userId, andCode ? 1 : 0, packageName); 9712 if (mSystemReady) { 9713 msg.sendToTarget(); 9714 } else { 9715 if (mPostSystemReadyMessages == null) { 9716 mPostSystemReadyMessages = new ArrayList<>(); 9717 } 9718 mPostSystemReadyMessages.add(msg); 9719 } 9720 } 9721 9722 void startCleaningPackages() { 9723 // reader 9724 synchronized (mPackages) { 9725 if (!isExternalMediaAvailable()) { 9726 return; 9727 } 9728 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9729 return; 9730 } 9731 } 9732 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9733 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9734 IActivityManager am = ActivityManagerNative.getDefault(); 9735 if (am != null) { 9736 try { 9737 am.startService(null, intent, null, mContext.getOpPackageName(), 9738 UserHandle.USER_SYSTEM); 9739 } catch (RemoteException e) { 9740 } 9741 } 9742 } 9743 9744 @Override 9745 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9746 int installFlags, String installerPackageName, VerificationParams verificationParams, 9747 String packageAbiOverride) { 9748 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9749 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9750 } 9751 9752 @Override 9753 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9754 int installFlags, String installerPackageName, VerificationParams verificationParams, 9755 String packageAbiOverride, int userId) { 9756 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9757 9758 final int callingUid = Binder.getCallingUid(); 9759 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9760 9761 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9762 try { 9763 if (observer != null) { 9764 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9765 } 9766 } catch (RemoteException re) { 9767 } 9768 return; 9769 } 9770 9771 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9772 installFlags |= PackageManager.INSTALL_FROM_ADB; 9773 9774 } else { 9775 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9776 // about installerPackageName. 9777 9778 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9779 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9780 } 9781 9782 UserHandle user; 9783 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9784 user = UserHandle.ALL; 9785 } else { 9786 user = new UserHandle(userId); 9787 } 9788 9789 // Only system components can circumvent runtime permissions when installing. 9790 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9791 && mContext.checkCallingOrSelfPermission(Manifest.permission 9792 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9793 throw new SecurityException("You need the " 9794 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9795 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9796 } 9797 9798 verificationParams.setInstallerUid(callingUid); 9799 9800 final File originFile = new File(originPath); 9801 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9802 9803 final Message msg = mHandler.obtainMessage(INIT_COPY); 9804 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 9805 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 9806 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 9807 msg.obj = params; 9808 9809 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 9810 System.identityHashCode(msg.obj)); 9811 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 9812 System.identityHashCode(msg.obj)); 9813 9814 mHandler.sendMessage(msg); 9815 } 9816 9817 void installStage(String packageName, File stagedDir, String stagedCid, 9818 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 9819 String installerPackageName, int installerUid, UserHandle user) { 9820 final VerificationParams verifParams = new VerificationParams( 9821 null, sessionParams.originatingUri, sessionParams.referrerUri, 9822 sessionParams.originatingUid, null); 9823 verifParams.setInstallerUid(installerUid); 9824 9825 final OriginInfo origin; 9826 if (stagedDir != null) { 9827 origin = OriginInfo.fromStagedFile(stagedDir); 9828 } else { 9829 origin = OriginInfo.fromStagedContainer(stagedCid); 9830 } 9831 9832 final Message msg = mHandler.obtainMessage(INIT_COPY); 9833 final InstallParams params = new InstallParams(origin, null, observer, 9834 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 9835 verifParams, user, sessionParams.abiOverride, 9836 sessionParams.grantedRuntimePermissions); 9837 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 9838 msg.obj = params; 9839 9840 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 9841 System.identityHashCode(msg.obj)); 9842 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 9843 System.identityHashCode(msg.obj)); 9844 9845 mHandler.sendMessage(msg); 9846 } 9847 9848 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9849 Bundle extras = new Bundle(1); 9850 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9851 9852 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9853 packageName, extras, 0, null, null, new int[] {userId}); 9854 try { 9855 IActivityManager am = ActivityManagerNative.getDefault(); 9856 final boolean isSystem = 9857 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9858 if (isSystem && am.isUserRunning(userId, 0)) { 9859 // The just-installed/enabled app is bundled on the system, so presumed 9860 // to be able to run automatically without needing an explicit launch. 9861 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9862 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9863 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9864 .setPackage(packageName); 9865 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9866 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9867 } 9868 } catch (RemoteException e) { 9869 // shouldn't happen 9870 Slog.w(TAG, "Unable to bootstrap installed package", e); 9871 } 9872 } 9873 9874 @Override 9875 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9876 int userId) { 9877 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9878 PackageSetting pkgSetting; 9879 final int uid = Binder.getCallingUid(); 9880 enforceCrossUserPermission(uid, userId, true, true, 9881 "setApplicationHiddenSetting for user " + userId); 9882 9883 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9884 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9885 return false; 9886 } 9887 9888 long callingId = Binder.clearCallingIdentity(); 9889 try { 9890 boolean sendAdded = false; 9891 boolean sendRemoved = false; 9892 // writer 9893 synchronized (mPackages) { 9894 pkgSetting = mSettings.mPackages.get(packageName); 9895 if (pkgSetting == null) { 9896 return false; 9897 } 9898 if (pkgSetting.getHidden(userId) != hidden) { 9899 pkgSetting.setHidden(hidden, userId); 9900 mSettings.writePackageRestrictionsLPr(userId); 9901 if (hidden) { 9902 sendRemoved = true; 9903 } else { 9904 sendAdded = true; 9905 } 9906 } 9907 } 9908 if (sendAdded) { 9909 sendPackageAddedForUser(packageName, pkgSetting, userId); 9910 return true; 9911 } 9912 if (sendRemoved) { 9913 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 9914 "hiding pkg"); 9915 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 9916 return true; 9917 } 9918 } finally { 9919 Binder.restoreCallingIdentity(callingId); 9920 } 9921 return false; 9922 } 9923 9924 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 9925 int userId) { 9926 final PackageRemovedInfo info = new PackageRemovedInfo(); 9927 info.removedPackage = packageName; 9928 info.removedUsers = new int[] {userId}; 9929 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 9930 info.sendBroadcast(false, false, false); 9931 } 9932 9933 /** 9934 * Returns true if application is not found or there was an error. Otherwise it returns 9935 * the hidden state of the package for the given user. 9936 */ 9937 @Override 9938 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 9939 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9940 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 9941 false, "getApplicationHidden for user " + userId); 9942 PackageSetting pkgSetting; 9943 long callingId = Binder.clearCallingIdentity(); 9944 try { 9945 // writer 9946 synchronized (mPackages) { 9947 pkgSetting = mSettings.mPackages.get(packageName); 9948 if (pkgSetting == null) { 9949 return true; 9950 } 9951 return pkgSetting.getHidden(userId); 9952 } 9953 } finally { 9954 Binder.restoreCallingIdentity(callingId); 9955 } 9956 } 9957 9958 /** 9959 * @hide 9960 */ 9961 @Override 9962 public int installExistingPackageAsUser(String packageName, int userId) { 9963 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 9964 null); 9965 PackageSetting pkgSetting; 9966 final int uid = Binder.getCallingUid(); 9967 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 9968 + userId); 9969 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9970 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 9971 } 9972 9973 long callingId = Binder.clearCallingIdentity(); 9974 try { 9975 boolean sendAdded = false; 9976 9977 // writer 9978 synchronized (mPackages) { 9979 pkgSetting = mSettings.mPackages.get(packageName); 9980 if (pkgSetting == null) { 9981 return PackageManager.INSTALL_FAILED_INVALID_URI; 9982 } 9983 if (!pkgSetting.getInstalled(userId)) { 9984 pkgSetting.setInstalled(true, userId); 9985 pkgSetting.setHidden(false, userId); 9986 mSettings.writePackageRestrictionsLPr(userId); 9987 sendAdded = true; 9988 } 9989 } 9990 9991 if (sendAdded) { 9992 sendPackageAddedForUser(packageName, pkgSetting, userId); 9993 } 9994 } finally { 9995 Binder.restoreCallingIdentity(callingId); 9996 } 9997 9998 return PackageManager.INSTALL_SUCCEEDED; 9999 } 10000 10001 boolean isUserRestricted(int userId, String restrictionKey) { 10002 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10003 if (restrictions.getBoolean(restrictionKey, false)) { 10004 Log.w(TAG, "User is restricted: " + restrictionKey); 10005 return true; 10006 } 10007 return false; 10008 } 10009 10010 @Override 10011 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10012 mContext.enforceCallingOrSelfPermission( 10013 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10014 "Only package verification agents can verify applications"); 10015 10016 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10017 final PackageVerificationResponse response = new PackageVerificationResponse( 10018 verificationCode, Binder.getCallingUid()); 10019 msg.arg1 = id; 10020 msg.obj = response; 10021 mHandler.sendMessage(msg); 10022 } 10023 10024 @Override 10025 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10026 long millisecondsToDelay) { 10027 mContext.enforceCallingOrSelfPermission( 10028 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10029 "Only package verification agents can extend verification timeouts"); 10030 10031 final PackageVerificationState state = mPendingVerification.get(id); 10032 final PackageVerificationResponse response = new PackageVerificationResponse( 10033 verificationCodeAtTimeout, Binder.getCallingUid()); 10034 10035 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10036 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10037 } 10038 if (millisecondsToDelay < 0) { 10039 millisecondsToDelay = 0; 10040 } 10041 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10042 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10043 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10044 } 10045 10046 if ((state != null) && !state.timeoutExtended()) { 10047 state.extendTimeout(); 10048 10049 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10050 msg.arg1 = id; 10051 msg.obj = response; 10052 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10053 } 10054 } 10055 10056 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10057 int verificationCode, UserHandle user) { 10058 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10059 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10060 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10061 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10062 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10063 10064 mContext.sendBroadcastAsUser(intent, user, 10065 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10066 } 10067 10068 private ComponentName matchComponentForVerifier(String packageName, 10069 List<ResolveInfo> receivers) { 10070 ActivityInfo targetReceiver = null; 10071 10072 final int NR = receivers.size(); 10073 for (int i = 0; i < NR; i++) { 10074 final ResolveInfo info = receivers.get(i); 10075 if (info.activityInfo == null) { 10076 continue; 10077 } 10078 10079 if (packageName.equals(info.activityInfo.packageName)) { 10080 targetReceiver = info.activityInfo; 10081 break; 10082 } 10083 } 10084 10085 if (targetReceiver == null) { 10086 return null; 10087 } 10088 10089 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10090 } 10091 10092 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10093 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10094 if (pkgInfo.verifiers.length == 0) { 10095 return null; 10096 } 10097 10098 final int N = pkgInfo.verifiers.length; 10099 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10100 for (int i = 0; i < N; i++) { 10101 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10102 10103 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10104 receivers); 10105 if (comp == null) { 10106 continue; 10107 } 10108 10109 final int verifierUid = getUidForVerifier(verifierInfo); 10110 if (verifierUid == -1) { 10111 continue; 10112 } 10113 10114 if (DEBUG_VERIFY) { 10115 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10116 + " with the correct signature"); 10117 } 10118 sufficientVerifiers.add(comp); 10119 verificationState.addSufficientVerifier(verifierUid); 10120 } 10121 10122 return sufficientVerifiers; 10123 } 10124 10125 private int getUidForVerifier(VerifierInfo verifierInfo) { 10126 synchronized (mPackages) { 10127 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10128 if (pkg == null) { 10129 return -1; 10130 } else if (pkg.mSignatures.length != 1) { 10131 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10132 + " has more than one signature; ignoring"); 10133 return -1; 10134 } 10135 10136 /* 10137 * If the public key of the package's signature does not match 10138 * our expected public key, then this is a different package and 10139 * we should skip. 10140 */ 10141 10142 final byte[] expectedPublicKey; 10143 try { 10144 final Signature verifierSig = pkg.mSignatures[0]; 10145 final PublicKey publicKey = verifierSig.getPublicKey(); 10146 expectedPublicKey = publicKey.getEncoded(); 10147 } catch (CertificateException e) { 10148 return -1; 10149 } 10150 10151 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10152 10153 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10154 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10155 + " does not have the expected public key; ignoring"); 10156 return -1; 10157 } 10158 10159 return pkg.applicationInfo.uid; 10160 } 10161 } 10162 10163 @Override 10164 public void finishPackageInstall(int token) { 10165 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10166 10167 if (DEBUG_INSTALL) { 10168 Slog.v(TAG, "BM finishing package install for " + token); 10169 } 10170 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10171 10172 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10173 mHandler.sendMessage(msg); 10174 } 10175 10176 /** 10177 * Get the verification agent timeout. 10178 * 10179 * @return verification timeout in milliseconds 10180 */ 10181 private long getVerificationTimeout() { 10182 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10183 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10184 DEFAULT_VERIFICATION_TIMEOUT); 10185 } 10186 10187 /** 10188 * Get the default verification agent response code. 10189 * 10190 * @return default verification response code 10191 */ 10192 private int getDefaultVerificationResponse() { 10193 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10194 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10195 DEFAULT_VERIFICATION_RESPONSE); 10196 } 10197 10198 /** 10199 * Check whether or not package verification has been enabled. 10200 * 10201 * @return true if verification should be performed 10202 */ 10203 private boolean isVerificationEnabled(int userId, int installFlags) { 10204 if (!DEFAULT_VERIFY_ENABLE) { 10205 return false; 10206 } 10207 // TODO: fix b/25118622; don't bypass verification 10208 if (Build.IS_DEBUGGABLE && (installFlags & PackageManager.INSTALL_QUICK) != 0) { 10209 return false; 10210 } 10211 10212 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 10213 10214 // Check if installing from ADB 10215 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 10216 // Do not run verification in a test harness environment 10217 if (ActivityManager.isRunningInTestHarness()) { 10218 return false; 10219 } 10220 if (ensureVerifyAppsEnabled) { 10221 return true; 10222 } 10223 // Check if the developer does not want package verification for ADB installs 10224 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10225 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 10226 return false; 10227 } 10228 } 10229 10230 if (ensureVerifyAppsEnabled) { 10231 return true; 10232 } 10233 10234 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10235 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 10236 } 10237 10238 @Override 10239 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 10240 throws RemoteException { 10241 mContext.enforceCallingOrSelfPermission( 10242 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 10243 "Only intentfilter verification agents can verify applications"); 10244 10245 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 10246 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 10247 Binder.getCallingUid(), verificationCode, failedDomains); 10248 msg.arg1 = id; 10249 msg.obj = response; 10250 mHandler.sendMessage(msg); 10251 } 10252 10253 @Override 10254 public int getIntentVerificationStatus(String packageName, int userId) { 10255 synchronized (mPackages) { 10256 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 10257 } 10258 } 10259 10260 @Override 10261 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10262 mContext.enforceCallingOrSelfPermission( 10263 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10264 10265 boolean result = false; 10266 synchronized (mPackages) { 10267 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10268 } 10269 if (result) { 10270 scheduleWritePackageRestrictionsLocked(userId); 10271 } 10272 return result; 10273 } 10274 10275 @Override 10276 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10277 synchronized (mPackages) { 10278 return mSettings.getIntentFilterVerificationsLPr(packageName); 10279 } 10280 } 10281 10282 @Override 10283 public List<IntentFilter> getAllIntentFilters(String packageName) { 10284 if (TextUtils.isEmpty(packageName)) { 10285 return Collections.<IntentFilter>emptyList(); 10286 } 10287 synchronized (mPackages) { 10288 PackageParser.Package pkg = mPackages.get(packageName); 10289 if (pkg == null || pkg.activities == null) { 10290 return Collections.<IntentFilter>emptyList(); 10291 } 10292 final int count = pkg.activities.size(); 10293 ArrayList<IntentFilter> result = new ArrayList<>(); 10294 for (int n=0; n<count; n++) { 10295 PackageParser.Activity activity = pkg.activities.get(n); 10296 if (activity.intents != null || activity.intents.size() > 0) { 10297 result.addAll(activity.intents); 10298 } 10299 } 10300 return result; 10301 } 10302 } 10303 10304 @Override 10305 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10306 mContext.enforceCallingOrSelfPermission( 10307 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10308 10309 synchronized (mPackages) { 10310 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10311 if (packageName != null) { 10312 result |= updateIntentVerificationStatus(packageName, 10313 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10314 userId); 10315 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10316 packageName, userId); 10317 } 10318 return result; 10319 } 10320 } 10321 10322 @Override 10323 public String getDefaultBrowserPackageName(int userId) { 10324 synchronized (mPackages) { 10325 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10326 } 10327 } 10328 10329 /** 10330 * Get the "allow unknown sources" setting. 10331 * 10332 * @return the current "allow unknown sources" setting 10333 */ 10334 private int getUnknownSourcesSettings() { 10335 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10336 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10337 -1); 10338 } 10339 10340 @Override 10341 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10342 final int uid = Binder.getCallingUid(); 10343 // writer 10344 synchronized (mPackages) { 10345 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10346 if (targetPackageSetting == null) { 10347 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10348 } 10349 10350 PackageSetting installerPackageSetting; 10351 if (installerPackageName != null) { 10352 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10353 if (installerPackageSetting == null) { 10354 throw new IllegalArgumentException("Unknown installer package: " 10355 + installerPackageName); 10356 } 10357 } else { 10358 installerPackageSetting = null; 10359 } 10360 10361 Signature[] callerSignature; 10362 Object obj = mSettings.getUserIdLPr(uid); 10363 if (obj != null) { 10364 if (obj instanceof SharedUserSetting) { 10365 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10366 } else if (obj instanceof PackageSetting) { 10367 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10368 } else { 10369 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10370 } 10371 } else { 10372 throw new SecurityException("Unknown calling uid " + uid); 10373 } 10374 10375 // Verify: can't set installerPackageName to a package that is 10376 // not signed with the same cert as the caller. 10377 if (installerPackageSetting != null) { 10378 if (compareSignatures(callerSignature, 10379 installerPackageSetting.signatures.mSignatures) 10380 != PackageManager.SIGNATURE_MATCH) { 10381 throw new SecurityException( 10382 "Caller does not have same cert as new installer package " 10383 + installerPackageName); 10384 } 10385 } 10386 10387 // Verify: if target already has an installer package, it must 10388 // be signed with the same cert as the caller. 10389 if (targetPackageSetting.installerPackageName != null) { 10390 PackageSetting setting = mSettings.mPackages.get( 10391 targetPackageSetting.installerPackageName); 10392 // If the currently set package isn't valid, then it's always 10393 // okay to change it. 10394 if (setting != null) { 10395 if (compareSignatures(callerSignature, 10396 setting.signatures.mSignatures) 10397 != PackageManager.SIGNATURE_MATCH) { 10398 throw new SecurityException( 10399 "Caller does not have same cert as old installer package " 10400 + targetPackageSetting.installerPackageName); 10401 } 10402 } 10403 } 10404 10405 // Okay! 10406 targetPackageSetting.installerPackageName = installerPackageName; 10407 scheduleWriteSettingsLocked(); 10408 } 10409 } 10410 10411 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10412 // Queue up an async operation since the package installation may take a little while. 10413 mHandler.post(new Runnable() { 10414 public void run() { 10415 mHandler.removeCallbacks(this); 10416 // Result object to be returned 10417 PackageInstalledInfo res = new PackageInstalledInfo(); 10418 res.returnCode = currentStatus; 10419 res.uid = -1; 10420 res.pkg = null; 10421 res.removedInfo = new PackageRemovedInfo(); 10422 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10423 args.doPreInstall(res.returnCode); 10424 synchronized (mInstallLock) { 10425 installPackageTracedLI(args, res); 10426 } 10427 args.doPostInstall(res.returnCode, res.uid); 10428 } 10429 10430 // A restore should be performed at this point if (a) the install 10431 // succeeded, (b) the operation is not an update, and (c) the new 10432 // package has not opted out of backup participation. 10433 final boolean update = res.removedInfo.removedPackage != null; 10434 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10435 boolean doRestore = !update 10436 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10437 10438 // Set up the post-install work request bookkeeping. This will be used 10439 // and cleaned up by the post-install event handling regardless of whether 10440 // there's a restore pass performed. Token values are >= 1. 10441 int token; 10442 if (mNextInstallToken < 0) mNextInstallToken = 1; 10443 token = mNextInstallToken++; 10444 10445 PostInstallData data = new PostInstallData(args, res); 10446 mRunningInstalls.put(token, data); 10447 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10448 10449 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10450 // Pass responsibility to the Backup Manager. It will perform a 10451 // restore if appropriate, then pass responsibility back to the 10452 // Package Manager to run the post-install observer callbacks 10453 // and broadcasts. 10454 IBackupManager bm = IBackupManager.Stub.asInterface( 10455 ServiceManager.getService(Context.BACKUP_SERVICE)); 10456 if (bm != null) { 10457 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10458 + " to BM for possible restore"); 10459 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10460 try { 10461 // TODO: http://b/22388012 10462 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 10463 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10464 } else { 10465 doRestore = false; 10466 } 10467 } catch (RemoteException e) { 10468 // can't happen; the backup manager is local 10469 } catch (Exception e) { 10470 Slog.e(TAG, "Exception trying to enqueue restore", e); 10471 doRestore = false; 10472 } 10473 } else { 10474 Slog.e(TAG, "Backup Manager not found!"); 10475 doRestore = false; 10476 } 10477 } 10478 10479 if (!doRestore) { 10480 // No restore possible, or the Backup Manager was mysteriously not 10481 // available -- just fire the post-install work request directly. 10482 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10483 10484 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 10485 10486 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10487 mHandler.sendMessage(msg); 10488 } 10489 } 10490 }); 10491 } 10492 10493 private abstract class HandlerParams { 10494 private static final int MAX_RETRIES = 4; 10495 10496 /** 10497 * Number of times startCopy() has been attempted and had a non-fatal 10498 * error. 10499 */ 10500 private int mRetries = 0; 10501 10502 /** User handle for the user requesting the information or installation. */ 10503 private final UserHandle mUser; 10504 String traceMethod; 10505 int traceCookie; 10506 10507 HandlerParams(UserHandle user) { 10508 mUser = user; 10509 } 10510 10511 UserHandle getUser() { 10512 return mUser; 10513 } 10514 10515 HandlerParams setTraceMethod(String traceMethod) { 10516 this.traceMethod = traceMethod; 10517 return this; 10518 } 10519 10520 HandlerParams setTraceCookie(int traceCookie) { 10521 this.traceCookie = traceCookie; 10522 return this; 10523 } 10524 10525 final boolean startCopy() { 10526 boolean res; 10527 try { 10528 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10529 10530 if (++mRetries > MAX_RETRIES) { 10531 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10532 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10533 handleServiceError(); 10534 return false; 10535 } else { 10536 handleStartCopy(); 10537 res = true; 10538 } 10539 } catch (RemoteException e) { 10540 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10541 mHandler.sendEmptyMessage(MCS_RECONNECT); 10542 res = false; 10543 } 10544 handleReturnCode(); 10545 return res; 10546 } 10547 10548 final void serviceError() { 10549 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10550 handleServiceError(); 10551 handleReturnCode(); 10552 } 10553 10554 abstract void handleStartCopy() throws RemoteException; 10555 abstract void handleServiceError(); 10556 abstract void handleReturnCode(); 10557 } 10558 10559 class MeasureParams extends HandlerParams { 10560 private final PackageStats mStats; 10561 private boolean mSuccess; 10562 10563 private final IPackageStatsObserver mObserver; 10564 10565 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10566 super(new UserHandle(stats.userHandle)); 10567 mObserver = observer; 10568 mStats = stats; 10569 } 10570 10571 @Override 10572 public String toString() { 10573 return "MeasureParams{" 10574 + Integer.toHexString(System.identityHashCode(this)) 10575 + " " + mStats.packageName + "}"; 10576 } 10577 10578 @Override 10579 void handleStartCopy() throws RemoteException { 10580 synchronized (mInstallLock) { 10581 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10582 } 10583 10584 if (mSuccess) { 10585 final boolean mounted; 10586 if (Environment.isExternalStorageEmulated()) { 10587 mounted = true; 10588 } else { 10589 final String status = Environment.getExternalStorageState(); 10590 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10591 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10592 } 10593 10594 if (mounted) { 10595 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10596 10597 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10598 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10599 10600 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10601 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10602 10603 // Always subtract cache size, since it's a subdirectory 10604 mStats.externalDataSize -= mStats.externalCacheSize; 10605 10606 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10607 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10608 10609 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10610 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10611 } 10612 } 10613 } 10614 10615 @Override 10616 void handleReturnCode() { 10617 if (mObserver != null) { 10618 try { 10619 mObserver.onGetStatsCompleted(mStats, mSuccess); 10620 } catch (RemoteException e) { 10621 Slog.i(TAG, "Observer no longer exists."); 10622 } 10623 } 10624 } 10625 10626 @Override 10627 void handleServiceError() { 10628 Slog.e(TAG, "Could not measure application " + mStats.packageName 10629 + " external storage"); 10630 } 10631 } 10632 10633 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10634 throws RemoteException { 10635 long result = 0; 10636 for (File path : paths) { 10637 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10638 } 10639 return result; 10640 } 10641 10642 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10643 for (File path : paths) { 10644 try { 10645 mcs.clearDirectory(path.getAbsolutePath()); 10646 } catch (RemoteException e) { 10647 } 10648 } 10649 } 10650 10651 static class OriginInfo { 10652 /** 10653 * Location where install is coming from, before it has been 10654 * copied/renamed into place. This could be a single monolithic APK 10655 * file, or a cluster directory. This location may be untrusted. 10656 */ 10657 final File file; 10658 final String cid; 10659 10660 /** 10661 * Flag indicating that {@link #file} or {@link #cid} has already been 10662 * staged, meaning downstream users don't need to defensively copy the 10663 * contents. 10664 */ 10665 final boolean staged; 10666 10667 /** 10668 * Flag indicating that {@link #file} or {@link #cid} is an already 10669 * installed app that is being moved. 10670 */ 10671 final boolean existing; 10672 10673 final String resolvedPath; 10674 final File resolvedFile; 10675 10676 static OriginInfo fromNothing() { 10677 return new OriginInfo(null, null, false, false); 10678 } 10679 10680 static OriginInfo fromUntrustedFile(File file) { 10681 return new OriginInfo(file, null, false, false); 10682 } 10683 10684 static OriginInfo fromExistingFile(File file) { 10685 return new OriginInfo(file, null, false, true); 10686 } 10687 10688 static OriginInfo fromStagedFile(File file) { 10689 return new OriginInfo(file, null, true, false); 10690 } 10691 10692 static OriginInfo fromStagedContainer(String cid) { 10693 return new OriginInfo(null, cid, true, false); 10694 } 10695 10696 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10697 this.file = file; 10698 this.cid = cid; 10699 this.staged = staged; 10700 this.existing = existing; 10701 10702 if (cid != null) { 10703 resolvedPath = PackageHelper.getSdDir(cid); 10704 resolvedFile = new File(resolvedPath); 10705 } else if (file != null) { 10706 resolvedPath = file.getAbsolutePath(); 10707 resolvedFile = file; 10708 } else { 10709 resolvedPath = null; 10710 resolvedFile = null; 10711 } 10712 } 10713 } 10714 10715 class MoveInfo { 10716 final int moveId; 10717 final String fromUuid; 10718 final String toUuid; 10719 final String packageName; 10720 final String dataAppName; 10721 final int appId; 10722 final String seinfo; 10723 10724 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10725 String dataAppName, int appId, String seinfo) { 10726 this.moveId = moveId; 10727 this.fromUuid = fromUuid; 10728 this.toUuid = toUuid; 10729 this.packageName = packageName; 10730 this.dataAppName = dataAppName; 10731 this.appId = appId; 10732 this.seinfo = seinfo; 10733 } 10734 } 10735 10736 class InstallParams extends HandlerParams { 10737 final OriginInfo origin; 10738 final MoveInfo move; 10739 final IPackageInstallObserver2 observer; 10740 int installFlags; 10741 final String installerPackageName; 10742 final String volumeUuid; 10743 final VerificationParams verificationParams; 10744 private InstallArgs mArgs; 10745 private int mRet; 10746 final String packageAbiOverride; 10747 final String[] grantedRuntimePermissions; 10748 10749 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10750 int installFlags, String installerPackageName, String volumeUuid, 10751 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 10752 String[] grantedPermissions) { 10753 super(user); 10754 this.origin = origin; 10755 this.move = move; 10756 this.observer = observer; 10757 this.installFlags = installFlags; 10758 this.installerPackageName = installerPackageName; 10759 this.volumeUuid = volumeUuid; 10760 this.verificationParams = verificationParams; 10761 this.packageAbiOverride = packageAbiOverride; 10762 this.grantedRuntimePermissions = grantedPermissions; 10763 } 10764 10765 @Override 10766 public String toString() { 10767 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10768 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10769 } 10770 10771 public ManifestDigest getManifestDigest() { 10772 if (verificationParams == null) { 10773 return null; 10774 } 10775 return verificationParams.getManifestDigest(); 10776 } 10777 10778 private int installLocationPolicy(PackageInfoLite pkgLite) { 10779 String packageName = pkgLite.packageName; 10780 int installLocation = pkgLite.installLocation; 10781 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10782 // reader 10783 synchronized (mPackages) { 10784 PackageParser.Package pkg = mPackages.get(packageName); 10785 if (pkg != null) { 10786 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10787 // Check for downgrading. 10788 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10789 try { 10790 checkDowngrade(pkg, pkgLite); 10791 } catch (PackageManagerException e) { 10792 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10793 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10794 } 10795 } 10796 // Check for updated system application. 10797 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10798 if (onSd) { 10799 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10800 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10801 } 10802 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10803 } else { 10804 if (onSd) { 10805 // Install flag overrides everything. 10806 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10807 } 10808 // If current upgrade specifies particular preference 10809 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10810 // Application explicitly specified internal. 10811 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10812 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10813 // App explictly prefers external. Let policy decide 10814 } else { 10815 // Prefer previous location 10816 if (isExternal(pkg)) { 10817 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10818 } 10819 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10820 } 10821 } 10822 } else { 10823 // Invalid install. Return error code 10824 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10825 } 10826 } 10827 } 10828 // All the special cases have been taken care of. 10829 // Return result based on recommended install location. 10830 if (onSd) { 10831 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10832 } 10833 return pkgLite.recommendedInstallLocation; 10834 } 10835 10836 /* 10837 * Invoke remote method to get package information and install 10838 * location values. Override install location based on default 10839 * policy if needed and then create install arguments based 10840 * on the install location. 10841 */ 10842 public void handleStartCopy() throws RemoteException { 10843 int ret = PackageManager.INSTALL_SUCCEEDED; 10844 10845 // If we're already staged, we've firmly committed to an install location 10846 if (origin.staged) { 10847 if (origin.file != null) { 10848 installFlags |= PackageManager.INSTALL_INTERNAL; 10849 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10850 } else if (origin.cid != null) { 10851 installFlags |= PackageManager.INSTALL_EXTERNAL; 10852 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10853 } else { 10854 throw new IllegalStateException("Invalid stage location"); 10855 } 10856 } 10857 10858 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10859 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 10860 PackageInfoLite pkgLite = null; 10861 10862 if (onInt && onSd) { 10863 // Check if both bits are set. 10864 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 10865 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10866 } else { 10867 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 10868 packageAbiOverride); 10869 10870 /* 10871 * If we have too little free space, try to free cache 10872 * before giving up. 10873 */ 10874 if (!origin.staged && pkgLite.recommendedInstallLocation 10875 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10876 // TODO: focus freeing disk space on the target device 10877 final StorageManager storage = StorageManager.from(mContext); 10878 final long lowThreshold = storage.getStorageLowBytes( 10879 Environment.getDataDirectory()); 10880 10881 final long sizeBytes = mContainerService.calculateInstalledSize( 10882 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 10883 10884 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 10885 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 10886 installFlags, packageAbiOverride); 10887 } 10888 10889 /* 10890 * The cache free must have deleted the file we 10891 * downloaded to install. 10892 * 10893 * TODO: fix the "freeCache" call to not delete 10894 * the file we care about. 10895 */ 10896 if (pkgLite.recommendedInstallLocation 10897 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10898 pkgLite.recommendedInstallLocation 10899 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 10900 } 10901 } 10902 } 10903 10904 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10905 int loc = pkgLite.recommendedInstallLocation; 10906 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 10907 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10908 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 10909 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10910 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10911 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10912 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 10913 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 10914 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10915 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 10916 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 10917 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 10918 } else { 10919 // Override with defaults if needed. 10920 loc = installLocationPolicy(pkgLite); 10921 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 10922 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 10923 } else if (!onSd && !onInt) { 10924 // Override install location with flags 10925 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 10926 // Set the flag to install on external media. 10927 installFlags |= PackageManager.INSTALL_EXTERNAL; 10928 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10929 } else { 10930 // Make sure the flag for installing on external 10931 // media is unset 10932 installFlags |= PackageManager.INSTALL_INTERNAL; 10933 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10934 } 10935 } 10936 } 10937 } 10938 10939 final InstallArgs args = createInstallArgs(this); 10940 mArgs = args; 10941 10942 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10943 // TODO: http://b/22976637 10944 // Apps installed for "all" users use the device owner to verify the app 10945 UserHandle verifierUser = getUser(); 10946 if (verifierUser == UserHandle.ALL) { 10947 verifierUser = UserHandle.SYSTEM; 10948 } 10949 10950 /* 10951 * Determine if we have any installed package verifiers. If we 10952 * do, then we'll defer to them to verify the packages. 10953 */ 10954 final int requiredUid = mRequiredVerifierPackage == null ? -1 10955 : getPackageUid(mRequiredVerifierPackage, verifierUser.getIdentifier()); 10956 if (!origin.existing && requiredUid != -1 10957 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 10958 final Intent verification = new Intent( 10959 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 10960 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10961 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 10962 PACKAGE_MIME_TYPE); 10963 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10964 10965 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 10966 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 10967 verifierUser.getIdentifier()); 10968 10969 if (DEBUG_VERIFY) { 10970 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 10971 + verification.toString() + " with " + pkgLite.verifiers.length 10972 + " optional verifiers"); 10973 } 10974 10975 final int verificationId = mPendingVerificationToken++; 10976 10977 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10978 10979 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 10980 installerPackageName); 10981 10982 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 10983 installFlags); 10984 10985 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 10986 pkgLite.packageName); 10987 10988 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 10989 pkgLite.versionCode); 10990 10991 if (verificationParams != null) { 10992 if (verificationParams.getVerificationURI() != null) { 10993 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 10994 verificationParams.getVerificationURI()); 10995 } 10996 if (verificationParams.getOriginatingURI() != null) { 10997 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 10998 verificationParams.getOriginatingURI()); 10999 } 11000 if (verificationParams.getReferrer() != null) { 11001 verification.putExtra(Intent.EXTRA_REFERRER, 11002 verificationParams.getReferrer()); 11003 } 11004 if (verificationParams.getOriginatingUid() >= 0) { 11005 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11006 verificationParams.getOriginatingUid()); 11007 } 11008 if (verificationParams.getInstallerUid() >= 0) { 11009 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11010 verificationParams.getInstallerUid()); 11011 } 11012 } 11013 11014 final PackageVerificationState verificationState = new PackageVerificationState( 11015 requiredUid, args); 11016 11017 mPendingVerification.append(verificationId, verificationState); 11018 11019 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11020 receivers, verificationState); 11021 11022 /* 11023 * If any sufficient verifiers were listed in the package 11024 * manifest, attempt to ask them. 11025 */ 11026 if (sufficientVerifiers != null) { 11027 final int N = sufficientVerifiers.size(); 11028 if (N == 0) { 11029 Slog.i(TAG, "Additional verifiers required, but none installed."); 11030 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11031 } else { 11032 for (int i = 0; i < N; i++) { 11033 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11034 11035 final Intent sufficientIntent = new Intent(verification); 11036 sufficientIntent.setComponent(verifierComponent); 11037 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11038 } 11039 } 11040 } 11041 11042 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11043 mRequiredVerifierPackage, receivers); 11044 if (ret == PackageManager.INSTALL_SUCCEEDED 11045 && mRequiredVerifierPackage != null) { 11046 Trace.asyncTraceBegin( 11047 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11048 /* 11049 * Send the intent to the required verification agent, 11050 * but only start the verification timeout after the 11051 * target BroadcastReceivers have run. 11052 */ 11053 verification.setComponent(requiredVerifierComponent); 11054 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11055 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11056 new BroadcastReceiver() { 11057 @Override 11058 public void onReceive(Context context, Intent intent) { 11059 final Message msg = mHandler 11060 .obtainMessage(CHECK_PENDING_VERIFICATION); 11061 msg.arg1 = verificationId; 11062 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11063 } 11064 }, null, 0, null, null); 11065 11066 /* 11067 * We don't want the copy to proceed until verification 11068 * succeeds, so null out this field. 11069 */ 11070 mArgs = null; 11071 } 11072 } else { 11073 /* 11074 * No package verification is enabled, so immediately start 11075 * the remote call to initiate copy using temporary file. 11076 */ 11077 ret = args.copyApk(mContainerService, true); 11078 } 11079 } 11080 11081 mRet = ret; 11082 } 11083 11084 @Override 11085 void handleReturnCode() { 11086 // If mArgs is null, then MCS couldn't be reached. When it 11087 // reconnects, it will try again to install. At that point, this 11088 // will succeed. 11089 if (mArgs != null) { 11090 processPendingInstall(mArgs, mRet); 11091 } 11092 } 11093 11094 @Override 11095 void handleServiceError() { 11096 mArgs = createInstallArgs(this); 11097 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11098 } 11099 11100 public boolean isForwardLocked() { 11101 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11102 } 11103 } 11104 11105 /** 11106 * Used during creation of InstallArgs 11107 * 11108 * @param installFlags package installation flags 11109 * @return true if should be installed on external storage 11110 */ 11111 private static boolean installOnExternalAsec(int installFlags) { 11112 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11113 return false; 11114 } 11115 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11116 return true; 11117 } 11118 return false; 11119 } 11120 11121 /** 11122 * Used during creation of InstallArgs 11123 * 11124 * @param installFlags package installation flags 11125 * @return true if should be installed as forward locked 11126 */ 11127 private static boolean installForwardLocked(int installFlags) { 11128 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11129 } 11130 11131 private InstallArgs createInstallArgs(InstallParams params) { 11132 if (params.move != null) { 11133 return new MoveInstallArgs(params); 11134 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11135 return new AsecInstallArgs(params); 11136 } else { 11137 return new FileInstallArgs(params); 11138 } 11139 } 11140 11141 /** 11142 * Create args that describe an existing installed package. Typically used 11143 * when cleaning up old installs, or used as a move source. 11144 */ 11145 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11146 String resourcePath, String[] instructionSets) { 11147 final boolean isInAsec; 11148 if (installOnExternalAsec(installFlags)) { 11149 /* Apps on SD card are always in ASEC containers. */ 11150 isInAsec = true; 11151 } else if (installForwardLocked(installFlags) 11152 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11153 /* 11154 * Forward-locked apps are only in ASEC containers if they're the 11155 * new style 11156 */ 11157 isInAsec = true; 11158 } else { 11159 isInAsec = false; 11160 } 11161 11162 if (isInAsec) { 11163 return new AsecInstallArgs(codePath, instructionSets, 11164 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11165 } else { 11166 return new FileInstallArgs(codePath, resourcePath, instructionSets); 11167 } 11168 } 11169 11170 static abstract class InstallArgs { 11171 /** @see InstallParams#origin */ 11172 final OriginInfo origin; 11173 /** @see InstallParams#move */ 11174 final MoveInfo move; 11175 11176 final IPackageInstallObserver2 observer; 11177 // Always refers to PackageManager flags only 11178 final int installFlags; 11179 final String installerPackageName; 11180 final String volumeUuid; 11181 final ManifestDigest manifestDigest; 11182 final UserHandle user; 11183 final String abiOverride; 11184 final String[] installGrantPermissions; 11185 /** If non-null, drop an async trace when the install completes */ 11186 final String traceMethod; 11187 final int traceCookie; 11188 11189 // The list of instruction sets supported by this app. This is currently 11190 // only used during the rmdex() phase to clean up resources. We can get rid of this 11191 // if we move dex files under the common app path. 11192 /* nullable */ String[] instructionSets; 11193 11194 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11195 int installFlags, String installerPackageName, String volumeUuid, 11196 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 11197 String abiOverride, String[] installGrantPermissions, 11198 String traceMethod, int traceCookie) { 11199 this.origin = origin; 11200 this.move = move; 11201 this.installFlags = installFlags; 11202 this.observer = observer; 11203 this.installerPackageName = installerPackageName; 11204 this.volumeUuid = volumeUuid; 11205 this.manifestDigest = manifestDigest; 11206 this.user = user; 11207 this.instructionSets = instructionSets; 11208 this.abiOverride = abiOverride; 11209 this.installGrantPermissions = installGrantPermissions; 11210 this.traceMethod = traceMethod; 11211 this.traceCookie = traceCookie; 11212 } 11213 11214 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 11215 abstract int doPreInstall(int status); 11216 11217 /** 11218 * Rename package into final resting place. All paths on the given 11219 * scanned package should be updated to reflect the rename. 11220 */ 11221 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 11222 abstract int doPostInstall(int status, int uid); 11223 11224 /** @see PackageSettingBase#codePathString */ 11225 abstract String getCodePath(); 11226 /** @see PackageSettingBase#resourcePathString */ 11227 abstract String getResourcePath(); 11228 11229 // Need installer lock especially for dex file removal. 11230 abstract void cleanUpResourcesLI(); 11231 abstract boolean doPostDeleteLI(boolean delete); 11232 11233 /** 11234 * Called before the source arguments are copied. This is used mostly 11235 * for MoveParams when it needs to read the source file to put it in the 11236 * destination. 11237 */ 11238 int doPreCopy() { 11239 return PackageManager.INSTALL_SUCCEEDED; 11240 } 11241 11242 /** 11243 * Called after the source arguments are copied. This is used mostly for 11244 * MoveParams when it needs to read the source file to put it in the 11245 * destination. 11246 * 11247 * @return 11248 */ 11249 int doPostCopy(int uid) { 11250 return PackageManager.INSTALL_SUCCEEDED; 11251 } 11252 11253 protected boolean isFwdLocked() { 11254 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11255 } 11256 11257 protected boolean isExternalAsec() { 11258 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11259 } 11260 11261 UserHandle getUser() { 11262 return user; 11263 } 11264 } 11265 11266 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 11267 if (!allCodePaths.isEmpty()) { 11268 if (instructionSets == null) { 11269 throw new IllegalStateException("instructionSet == null"); 11270 } 11271 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11272 for (String codePath : allCodePaths) { 11273 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11274 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 11275 if (retCode < 0) { 11276 Slog.w(TAG, "Couldn't remove dex file for package: " 11277 + " at location " + codePath + ", retcode=" + retCode); 11278 // we don't consider this to be a failure of the core package deletion 11279 } 11280 } 11281 } 11282 } 11283 } 11284 11285 /** 11286 * Logic to handle installation of non-ASEC applications, including copying 11287 * and renaming logic. 11288 */ 11289 class FileInstallArgs extends InstallArgs { 11290 private File codeFile; 11291 private File resourceFile; 11292 11293 // Example topology: 11294 // /data/app/com.example/base.apk 11295 // /data/app/com.example/split_foo.apk 11296 // /data/app/com.example/lib/arm/libfoo.so 11297 // /data/app/com.example/lib/arm64/libfoo.so 11298 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11299 11300 /** New install */ 11301 FileInstallArgs(InstallParams params) { 11302 super(params.origin, params.move, params.observer, params.installFlags, 11303 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11304 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11305 params.grantedRuntimePermissions, 11306 params.traceMethod, params.traceCookie); 11307 if (isFwdLocked()) { 11308 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11309 } 11310 } 11311 11312 /** Existing install */ 11313 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11314 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 11315 null, null, null, 0); 11316 this.codeFile = (codePath != null) ? new File(codePath) : null; 11317 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11318 } 11319 11320 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11321 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 11322 try { 11323 return doCopyApk(imcs, temp); 11324 } finally { 11325 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11326 } 11327 } 11328 11329 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11330 if (origin.staged) { 11331 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11332 codeFile = origin.file; 11333 resourceFile = origin.file; 11334 return PackageManager.INSTALL_SUCCEEDED; 11335 } 11336 11337 try { 11338 final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid); 11339 codeFile = tempDir; 11340 resourceFile = tempDir; 11341 } catch (IOException e) { 11342 Slog.w(TAG, "Failed to create copy file: " + e); 11343 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11344 } 11345 11346 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11347 @Override 11348 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11349 if (!FileUtils.isValidExtFilename(name)) { 11350 throw new IllegalArgumentException("Invalid filename: " + name); 11351 } 11352 try { 11353 final File file = new File(codeFile, name); 11354 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11355 O_RDWR | O_CREAT, 0644); 11356 Os.chmod(file.getAbsolutePath(), 0644); 11357 return new ParcelFileDescriptor(fd); 11358 } catch (ErrnoException e) { 11359 throw new RemoteException("Failed to open: " + e.getMessage()); 11360 } 11361 } 11362 }; 11363 11364 int ret = PackageManager.INSTALL_SUCCEEDED; 11365 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11366 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11367 Slog.e(TAG, "Failed to copy package"); 11368 return ret; 11369 } 11370 11371 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11372 NativeLibraryHelper.Handle handle = null; 11373 try { 11374 handle = NativeLibraryHelper.Handle.create(codeFile); 11375 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11376 abiOverride); 11377 } catch (IOException e) { 11378 Slog.e(TAG, "Copying native libraries failed", e); 11379 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11380 } finally { 11381 IoUtils.closeQuietly(handle); 11382 } 11383 11384 return ret; 11385 } 11386 11387 int doPreInstall(int status) { 11388 if (status != PackageManager.INSTALL_SUCCEEDED) { 11389 cleanUp(); 11390 } 11391 return status; 11392 } 11393 11394 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11395 if (status != PackageManager.INSTALL_SUCCEEDED) { 11396 cleanUp(); 11397 return false; 11398 } 11399 11400 final File targetDir = codeFile.getParentFile(); 11401 final File beforeCodeFile = codeFile; 11402 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11403 11404 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11405 try { 11406 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11407 } catch (ErrnoException e) { 11408 Slog.w(TAG, "Failed to rename", e); 11409 return false; 11410 } 11411 11412 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11413 Slog.w(TAG, "Failed to restorecon"); 11414 return false; 11415 } 11416 11417 // Reflect the rename internally 11418 codeFile = afterCodeFile; 11419 resourceFile = afterCodeFile; 11420 11421 // Reflect the rename in scanned details 11422 pkg.codePath = afterCodeFile.getAbsolutePath(); 11423 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11424 pkg.baseCodePath); 11425 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11426 pkg.splitCodePaths); 11427 11428 // Reflect the rename in app info 11429 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11430 pkg.applicationInfo.setCodePath(pkg.codePath); 11431 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11432 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11433 pkg.applicationInfo.setResourcePath(pkg.codePath); 11434 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11435 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11436 11437 return true; 11438 } 11439 11440 int doPostInstall(int status, int uid) { 11441 if (status != PackageManager.INSTALL_SUCCEEDED) { 11442 cleanUp(); 11443 } 11444 return status; 11445 } 11446 11447 @Override 11448 String getCodePath() { 11449 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11450 } 11451 11452 @Override 11453 String getResourcePath() { 11454 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11455 } 11456 11457 private boolean cleanUp() { 11458 if (codeFile == null || !codeFile.exists()) { 11459 return false; 11460 } 11461 11462 if (codeFile.isDirectory()) { 11463 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11464 } else { 11465 codeFile.delete(); 11466 } 11467 11468 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11469 resourceFile.delete(); 11470 } 11471 11472 return true; 11473 } 11474 11475 void cleanUpResourcesLI() { 11476 // Try enumerating all code paths before deleting 11477 List<String> allCodePaths = Collections.EMPTY_LIST; 11478 if (codeFile != null && codeFile.exists()) { 11479 try { 11480 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11481 allCodePaths = pkg.getAllCodePaths(); 11482 } catch (PackageParserException e) { 11483 // Ignored; we tried our best 11484 } 11485 } 11486 11487 cleanUp(); 11488 removeDexFiles(allCodePaths, instructionSets); 11489 } 11490 11491 boolean doPostDeleteLI(boolean delete) { 11492 // XXX err, shouldn't we respect the delete flag? 11493 cleanUpResourcesLI(); 11494 return true; 11495 } 11496 } 11497 11498 private boolean isAsecExternal(String cid) { 11499 final String asecPath = PackageHelper.getSdFilesystem(cid); 11500 return !asecPath.startsWith(mAsecInternalPath); 11501 } 11502 11503 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11504 PackageManagerException { 11505 if (copyRet < 0) { 11506 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11507 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11508 throw new PackageManagerException(copyRet, message); 11509 } 11510 } 11511 } 11512 11513 /** 11514 * Extract the MountService "container ID" from the full code path of an 11515 * .apk. 11516 */ 11517 static String cidFromCodePath(String fullCodePath) { 11518 int eidx = fullCodePath.lastIndexOf("/"); 11519 String subStr1 = fullCodePath.substring(0, eidx); 11520 int sidx = subStr1.lastIndexOf("/"); 11521 return subStr1.substring(sidx+1, eidx); 11522 } 11523 11524 /** 11525 * Logic to handle installation of ASEC applications, including copying and 11526 * renaming logic. 11527 */ 11528 class AsecInstallArgs extends InstallArgs { 11529 static final String RES_FILE_NAME = "pkg.apk"; 11530 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11531 11532 String cid; 11533 String packagePath; 11534 String resourcePath; 11535 11536 /** New install */ 11537 AsecInstallArgs(InstallParams params) { 11538 super(params.origin, params.move, params.observer, params.installFlags, 11539 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11540 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11541 params.grantedRuntimePermissions, 11542 params.traceMethod, params.traceCookie); 11543 } 11544 11545 /** Existing install */ 11546 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11547 boolean isExternal, boolean isForwardLocked) { 11548 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11549 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11550 instructionSets, null, null, null, 0); 11551 // Hackily pretend we're still looking at a full code path 11552 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11553 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11554 } 11555 11556 // Extract cid from fullCodePath 11557 int eidx = fullCodePath.lastIndexOf("/"); 11558 String subStr1 = fullCodePath.substring(0, eidx); 11559 int sidx = subStr1.lastIndexOf("/"); 11560 cid = subStr1.substring(sidx+1, eidx); 11561 setMountPath(subStr1); 11562 } 11563 11564 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11565 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11566 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11567 instructionSets, null, null, null, 0); 11568 this.cid = cid; 11569 setMountPath(PackageHelper.getSdDir(cid)); 11570 } 11571 11572 void createCopyFile() { 11573 cid = mInstallerService.allocateExternalStageCidLegacy(); 11574 } 11575 11576 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11577 if (origin.staged) { 11578 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11579 cid = origin.cid; 11580 setMountPath(PackageHelper.getSdDir(cid)); 11581 return PackageManager.INSTALL_SUCCEEDED; 11582 } 11583 11584 if (temp) { 11585 createCopyFile(); 11586 } else { 11587 /* 11588 * Pre-emptively destroy the container since it's destroyed if 11589 * copying fails due to it existing anyway. 11590 */ 11591 PackageHelper.destroySdDir(cid); 11592 } 11593 11594 final String newMountPath = imcs.copyPackageToContainer( 11595 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11596 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11597 11598 if (newMountPath != null) { 11599 setMountPath(newMountPath); 11600 return PackageManager.INSTALL_SUCCEEDED; 11601 } else { 11602 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11603 } 11604 } 11605 11606 @Override 11607 String getCodePath() { 11608 return packagePath; 11609 } 11610 11611 @Override 11612 String getResourcePath() { 11613 return resourcePath; 11614 } 11615 11616 int doPreInstall(int status) { 11617 if (status != PackageManager.INSTALL_SUCCEEDED) { 11618 // Destroy container 11619 PackageHelper.destroySdDir(cid); 11620 } else { 11621 boolean mounted = PackageHelper.isContainerMounted(cid); 11622 if (!mounted) { 11623 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11624 Process.SYSTEM_UID); 11625 if (newMountPath != null) { 11626 setMountPath(newMountPath); 11627 } else { 11628 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11629 } 11630 } 11631 } 11632 return status; 11633 } 11634 11635 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11636 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11637 String newMountPath = null; 11638 if (PackageHelper.isContainerMounted(cid)) { 11639 // Unmount the container 11640 if (!PackageHelper.unMountSdDir(cid)) { 11641 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11642 return false; 11643 } 11644 } 11645 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11646 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11647 " which might be stale. Will try to clean up."); 11648 // Clean up the stale container and proceed to recreate. 11649 if (!PackageHelper.destroySdDir(newCacheId)) { 11650 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11651 return false; 11652 } 11653 // Successfully cleaned up stale container. Try to rename again. 11654 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11655 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11656 + " inspite of cleaning it up."); 11657 return false; 11658 } 11659 } 11660 if (!PackageHelper.isContainerMounted(newCacheId)) { 11661 Slog.w(TAG, "Mounting container " + newCacheId); 11662 newMountPath = PackageHelper.mountSdDir(newCacheId, 11663 getEncryptKey(), Process.SYSTEM_UID); 11664 } else { 11665 newMountPath = PackageHelper.getSdDir(newCacheId); 11666 } 11667 if (newMountPath == null) { 11668 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11669 return false; 11670 } 11671 Log.i(TAG, "Succesfully renamed " + cid + 11672 " to " + newCacheId + 11673 " at new path: " + newMountPath); 11674 cid = newCacheId; 11675 11676 final File beforeCodeFile = new File(packagePath); 11677 setMountPath(newMountPath); 11678 final File afterCodeFile = new File(packagePath); 11679 11680 // Reflect the rename in scanned details 11681 pkg.codePath = afterCodeFile.getAbsolutePath(); 11682 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11683 pkg.baseCodePath); 11684 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11685 pkg.splitCodePaths); 11686 11687 // Reflect the rename in app info 11688 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11689 pkg.applicationInfo.setCodePath(pkg.codePath); 11690 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11691 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11692 pkg.applicationInfo.setResourcePath(pkg.codePath); 11693 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11694 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11695 11696 return true; 11697 } 11698 11699 private void setMountPath(String mountPath) { 11700 final File mountFile = new File(mountPath); 11701 11702 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11703 if (monolithicFile.exists()) { 11704 packagePath = monolithicFile.getAbsolutePath(); 11705 if (isFwdLocked()) { 11706 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11707 } else { 11708 resourcePath = packagePath; 11709 } 11710 } else { 11711 packagePath = mountFile.getAbsolutePath(); 11712 resourcePath = packagePath; 11713 } 11714 } 11715 11716 int doPostInstall(int status, int uid) { 11717 if (status != PackageManager.INSTALL_SUCCEEDED) { 11718 cleanUp(); 11719 } else { 11720 final int groupOwner; 11721 final String protectedFile; 11722 if (isFwdLocked()) { 11723 groupOwner = UserHandle.getSharedAppGid(uid); 11724 protectedFile = RES_FILE_NAME; 11725 } else { 11726 groupOwner = -1; 11727 protectedFile = null; 11728 } 11729 11730 if (uid < Process.FIRST_APPLICATION_UID 11731 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11732 Slog.e(TAG, "Failed to finalize " + cid); 11733 PackageHelper.destroySdDir(cid); 11734 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11735 } 11736 11737 boolean mounted = PackageHelper.isContainerMounted(cid); 11738 if (!mounted) { 11739 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11740 } 11741 } 11742 return status; 11743 } 11744 11745 private void cleanUp() { 11746 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11747 11748 // Destroy secure container 11749 PackageHelper.destroySdDir(cid); 11750 } 11751 11752 private List<String> getAllCodePaths() { 11753 final File codeFile = new File(getCodePath()); 11754 if (codeFile != null && codeFile.exists()) { 11755 try { 11756 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11757 return pkg.getAllCodePaths(); 11758 } catch (PackageParserException e) { 11759 // Ignored; we tried our best 11760 } 11761 } 11762 return Collections.EMPTY_LIST; 11763 } 11764 11765 void cleanUpResourcesLI() { 11766 // Enumerate all code paths before deleting 11767 cleanUpResourcesLI(getAllCodePaths()); 11768 } 11769 11770 private void cleanUpResourcesLI(List<String> allCodePaths) { 11771 cleanUp(); 11772 removeDexFiles(allCodePaths, instructionSets); 11773 } 11774 11775 String getPackageName() { 11776 return getAsecPackageName(cid); 11777 } 11778 11779 boolean doPostDeleteLI(boolean delete) { 11780 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11781 final List<String> allCodePaths = getAllCodePaths(); 11782 boolean mounted = PackageHelper.isContainerMounted(cid); 11783 if (mounted) { 11784 // Unmount first 11785 if (PackageHelper.unMountSdDir(cid)) { 11786 mounted = false; 11787 } 11788 } 11789 if (!mounted && delete) { 11790 cleanUpResourcesLI(allCodePaths); 11791 } 11792 return !mounted; 11793 } 11794 11795 @Override 11796 int doPreCopy() { 11797 if (isFwdLocked()) { 11798 if (!PackageHelper.fixSdPermissions(cid, 11799 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 11800 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11801 } 11802 } 11803 11804 return PackageManager.INSTALL_SUCCEEDED; 11805 } 11806 11807 @Override 11808 int doPostCopy(int uid) { 11809 if (isFwdLocked()) { 11810 if (uid < Process.FIRST_APPLICATION_UID 11811 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11812 RES_FILE_NAME)) { 11813 Slog.e(TAG, "Failed to finalize " + cid); 11814 PackageHelper.destroySdDir(cid); 11815 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11816 } 11817 } 11818 11819 return PackageManager.INSTALL_SUCCEEDED; 11820 } 11821 } 11822 11823 /** 11824 * Logic to handle movement of existing installed applications. 11825 */ 11826 class MoveInstallArgs extends InstallArgs { 11827 private File codeFile; 11828 private File resourceFile; 11829 11830 /** New install */ 11831 MoveInstallArgs(InstallParams params) { 11832 super(params.origin, params.move, params.observer, params.installFlags, 11833 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11834 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11835 params.grantedRuntimePermissions, 11836 params.traceMethod, params.traceCookie); 11837 } 11838 11839 int copyApk(IMediaContainerService imcs, boolean temp) { 11840 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 11841 + move.fromUuid + " to " + move.toUuid); 11842 synchronized (mInstaller) { 11843 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 11844 move.dataAppName, move.appId, move.seinfo) != 0) { 11845 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11846 } 11847 } 11848 11849 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 11850 resourceFile = codeFile; 11851 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 11852 11853 return PackageManager.INSTALL_SUCCEEDED; 11854 } 11855 11856 int doPreInstall(int status) { 11857 if (status != PackageManager.INSTALL_SUCCEEDED) { 11858 cleanUp(move.toUuid); 11859 } 11860 return status; 11861 } 11862 11863 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11864 if (status != PackageManager.INSTALL_SUCCEEDED) { 11865 cleanUp(move.toUuid); 11866 return false; 11867 } 11868 11869 // Reflect the move in app info 11870 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11871 pkg.applicationInfo.setCodePath(pkg.codePath); 11872 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11873 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11874 pkg.applicationInfo.setResourcePath(pkg.codePath); 11875 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11876 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11877 11878 return true; 11879 } 11880 11881 int doPostInstall(int status, int uid) { 11882 if (status == PackageManager.INSTALL_SUCCEEDED) { 11883 cleanUp(move.fromUuid); 11884 } else { 11885 cleanUp(move.toUuid); 11886 } 11887 return status; 11888 } 11889 11890 @Override 11891 String getCodePath() { 11892 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11893 } 11894 11895 @Override 11896 String getResourcePath() { 11897 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11898 } 11899 11900 private boolean cleanUp(String volumeUuid) { 11901 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 11902 move.dataAppName); 11903 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 11904 synchronized (mInstallLock) { 11905 // Clean up both app data and code 11906 removeDataDirsLI(volumeUuid, move.packageName); 11907 if (codeFile.isDirectory()) { 11908 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11909 } else { 11910 codeFile.delete(); 11911 } 11912 } 11913 return true; 11914 } 11915 11916 void cleanUpResourcesLI() { 11917 throw new UnsupportedOperationException(); 11918 } 11919 11920 boolean doPostDeleteLI(boolean delete) { 11921 throw new UnsupportedOperationException(); 11922 } 11923 } 11924 11925 static String getAsecPackageName(String packageCid) { 11926 int idx = packageCid.lastIndexOf("-"); 11927 if (idx == -1) { 11928 return packageCid; 11929 } 11930 return packageCid.substring(0, idx); 11931 } 11932 11933 // Utility method used to create code paths based on package name and available index. 11934 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 11935 String idxStr = ""; 11936 int idx = 1; 11937 // Fall back to default value of idx=1 if prefix is not 11938 // part of oldCodePath 11939 if (oldCodePath != null) { 11940 String subStr = oldCodePath; 11941 // Drop the suffix right away 11942 if (suffix != null && subStr.endsWith(suffix)) { 11943 subStr = subStr.substring(0, subStr.length() - suffix.length()); 11944 } 11945 // If oldCodePath already contains prefix find out the 11946 // ending index to either increment or decrement. 11947 int sidx = subStr.lastIndexOf(prefix); 11948 if (sidx != -1) { 11949 subStr = subStr.substring(sidx + prefix.length()); 11950 if (subStr != null) { 11951 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 11952 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 11953 } 11954 try { 11955 idx = Integer.parseInt(subStr); 11956 if (idx <= 1) { 11957 idx++; 11958 } else { 11959 idx--; 11960 } 11961 } catch(NumberFormatException e) { 11962 } 11963 } 11964 } 11965 } 11966 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 11967 return prefix + idxStr; 11968 } 11969 11970 private File getNextCodePath(File targetDir, String packageName) { 11971 int suffix = 1; 11972 File result; 11973 do { 11974 result = new File(targetDir, packageName + "-" + suffix); 11975 suffix++; 11976 } while (result.exists()); 11977 return result; 11978 } 11979 11980 // Utility method that returns the relative package path with respect 11981 // to the installation directory. Like say for /data/data/com.test-1.apk 11982 // string com.test-1 is returned. 11983 static String deriveCodePathName(String codePath) { 11984 if (codePath == null) { 11985 return null; 11986 } 11987 final File codeFile = new File(codePath); 11988 final String name = codeFile.getName(); 11989 if (codeFile.isDirectory()) { 11990 return name; 11991 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 11992 final int lastDot = name.lastIndexOf('.'); 11993 return name.substring(0, lastDot); 11994 } else { 11995 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 11996 return null; 11997 } 11998 } 11999 12000 class PackageInstalledInfo { 12001 String name; 12002 int uid; 12003 // The set of users that originally had this package installed. 12004 int[] origUsers; 12005 // The set of users that now have this package installed. 12006 int[] newUsers; 12007 PackageParser.Package pkg; 12008 int returnCode; 12009 String returnMsg; 12010 PackageRemovedInfo removedInfo; 12011 12012 public void setError(int code, String msg) { 12013 returnCode = code; 12014 returnMsg = msg; 12015 Slog.w(TAG, msg); 12016 } 12017 12018 public void setError(String msg, PackageParserException e) { 12019 returnCode = e.error; 12020 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12021 Slog.w(TAG, msg, e); 12022 } 12023 12024 public void setError(String msg, PackageManagerException e) { 12025 returnCode = e.error; 12026 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12027 Slog.w(TAG, msg, e); 12028 } 12029 12030 // In some error cases we want to convey more info back to the observer 12031 String origPackage; 12032 String origPermission; 12033 } 12034 12035 /* 12036 * Install a non-existing package. 12037 */ 12038 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12039 UserHandle user, String installerPackageName, String volumeUuid, 12040 PackageInstalledInfo res) { 12041 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12042 12043 // Remember this for later, in case we need to rollback this install 12044 String pkgName = pkg.packageName; 12045 12046 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12047 // TODO: b/23350563 12048 final boolean dataDirExists = Environment 12049 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists(); 12050 12051 synchronized(mPackages) { 12052 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12053 // A package with the same name is already installed, though 12054 // it has been renamed to an older name. The package we 12055 // are trying to install should be installed as an update to 12056 // the existing one, but that has not been requested, so bail. 12057 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12058 + " without first uninstalling package running as " 12059 + mSettings.mRenamedPackages.get(pkgName)); 12060 return; 12061 } 12062 if (mPackages.containsKey(pkgName)) { 12063 // Don't allow installation over an existing package with the same name. 12064 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12065 + " without first uninstalling."); 12066 return; 12067 } 12068 } 12069 12070 try { 12071 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12072 System.currentTimeMillis(), user); 12073 12074 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 12075 // delete the partially installed application. the data directory will have to be 12076 // restored if it was already existing 12077 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12078 // remove package from internal structures. Note that we want deletePackageX to 12079 // delete the package data and cache directories that it created in 12080 // scanPackageLocked, unless those directories existed before we even tried to 12081 // install. 12082 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 12083 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 12084 res.removedInfo, true); 12085 } 12086 12087 } catch (PackageManagerException e) { 12088 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12089 } 12090 12091 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12092 } 12093 12094 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12095 // Can't rotate keys during boot or if sharedUser. 12096 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12097 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12098 return false; 12099 } 12100 // app is using upgradeKeySets; make sure all are valid 12101 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12102 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12103 for (int i = 0; i < upgradeKeySets.length; i++) { 12104 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12105 Slog.wtf(TAG, "Package " 12106 + (oldPs.name != null ? oldPs.name : "<null>") 12107 + " contains upgrade-key-set reference to unknown key-set: " 12108 + upgradeKeySets[i] 12109 + " reverting to signatures check."); 12110 return false; 12111 } 12112 } 12113 return true; 12114 } 12115 12116 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12117 // Upgrade keysets are being used. Determine if new package has a superset of the 12118 // required keys. 12119 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12120 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12121 for (int i = 0; i < upgradeKeySets.length; i++) { 12122 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12123 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12124 return true; 12125 } 12126 } 12127 return false; 12128 } 12129 12130 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12131 UserHandle user, String installerPackageName, String volumeUuid, 12132 PackageInstalledInfo res) { 12133 final PackageParser.Package oldPackage; 12134 final String pkgName = pkg.packageName; 12135 final int[] allUsers; 12136 final boolean[] perUserInstalled; 12137 12138 // First find the old package info and check signatures 12139 synchronized(mPackages) { 12140 oldPackage = mPackages.get(pkgName); 12141 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12142 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12143 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12144 if(!checkUpgradeKeySetLP(ps, pkg)) { 12145 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12146 "New package not signed by keys specified by upgrade-keysets: " 12147 + pkgName); 12148 return; 12149 } 12150 } else { 12151 // default to original signature matching 12152 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 12153 != PackageManager.SIGNATURE_MATCH) { 12154 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12155 "New package has a different signature: " + pkgName); 12156 return; 12157 } 12158 } 12159 12160 // In case of rollback, remember per-user/profile install state 12161 allUsers = sUserManager.getUserIds(); 12162 perUserInstalled = new boolean[allUsers.length]; 12163 for (int i = 0; i < allUsers.length; i++) { 12164 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12165 } 12166 } 12167 12168 boolean sysPkg = (isSystemApp(oldPackage)); 12169 if (sysPkg) { 12170 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12171 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12172 } else { 12173 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12174 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12175 } 12176 } 12177 12178 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 12179 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12180 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12181 String volumeUuid, PackageInstalledInfo res) { 12182 String pkgName = deletedPackage.packageName; 12183 boolean deletedPkg = true; 12184 boolean updatedSettings = false; 12185 12186 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 12187 + deletedPackage); 12188 long origUpdateTime; 12189 if (pkg.mExtras != null) { 12190 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 12191 } else { 12192 origUpdateTime = 0; 12193 } 12194 12195 // First delete the existing package while retaining the data directory 12196 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 12197 res.removedInfo, true)) { 12198 // If the existing package wasn't successfully deleted 12199 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 12200 deletedPkg = false; 12201 } else { 12202 // Successfully deleted the old package; proceed with replace. 12203 12204 // If deleted package lived in a container, give users a chance to 12205 // relinquish resources before killing. 12206 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 12207 if (DEBUG_INSTALL) { 12208 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 12209 } 12210 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 12211 final ArrayList<String> pkgList = new ArrayList<String>(1); 12212 pkgList.add(deletedPackage.applicationInfo.packageName); 12213 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 12214 } 12215 12216 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 12217 try { 12218 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 12219 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 12220 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12221 perUserInstalled, res, user); 12222 updatedSettings = true; 12223 } catch (PackageManagerException e) { 12224 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12225 } 12226 } 12227 12228 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12229 // remove package from internal structures. Note that we want deletePackageX to 12230 // delete the package data and cache directories that it created in 12231 // scanPackageLocked, unless those directories existed before we even tried to 12232 // install. 12233 if(updatedSettings) { 12234 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 12235 deletePackageLI( 12236 pkgName, null, true, allUsers, perUserInstalled, 12237 PackageManager.DELETE_KEEP_DATA, 12238 res.removedInfo, true); 12239 } 12240 // Since we failed to install the new package we need to restore the old 12241 // package that we deleted. 12242 if (deletedPkg) { 12243 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 12244 File restoreFile = new File(deletedPackage.codePath); 12245 // Parse old package 12246 boolean oldExternal = isExternal(deletedPackage); 12247 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 12248 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 12249 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12250 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 12251 try { 12252 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 12253 null); 12254 } catch (PackageManagerException e) { 12255 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 12256 + e.getMessage()); 12257 return; 12258 } 12259 // Restore of old package succeeded. Update permissions. 12260 // writer 12261 synchronized (mPackages) { 12262 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 12263 UPDATE_PERMISSIONS_ALL); 12264 // can downgrade to reader 12265 mSettings.writeLPr(); 12266 } 12267 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 12268 } 12269 } 12270 } 12271 12272 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 12273 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12274 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12275 String volumeUuid, PackageInstalledInfo res) { 12276 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 12277 + ", old=" + deletedPackage); 12278 boolean disabledSystem = false; 12279 boolean updatedSettings = false; 12280 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 12281 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 12282 != 0) { 12283 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12284 } 12285 String packageName = deletedPackage.packageName; 12286 if (packageName == null) { 12287 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12288 "Attempt to delete null packageName."); 12289 return; 12290 } 12291 PackageParser.Package oldPkg; 12292 PackageSetting oldPkgSetting; 12293 // reader 12294 synchronized (mPackages) { 12295 oldPkg = mPackages.get(packageName); 12296 oldPkgSetting = mSettings.mPackages.get(packageName); 12297 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12298 (oldPkgSetting == null)) { 12299 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12300 "Couldn't find package:" + packageName + " information"); 12301 return; 12302 } 12303 } 12304 12305 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12306 12307 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12308 res.removedInfo.removedPackage = packageName; 12309 // Remove existing system package 12310 removePackageLI(oldPkgSetting, true); 12311 // writer 12312 synchronized (mPackages) { 12313 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12314 if (!disabledSystem && deletedPackage != null) { 12315 // We didn't need to disable the .apk as a current system package, 12316 // which means we are replacing another update that is already 12317 // installed. We need to make sure to delete the older one's .apk. 12318 res.removedInfo.args = createInstallArgsForExisting(0, 12319 deletedPackage.applicationInfo.getCodePath(), 12320 deletedPackage.applicationInfo.getResourcePath(), 12321 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12322 } else { 12323 res.removedInfo.args = null; 12324 } 12325 } 12326 12327 // Successfully disabled the old package. Now proceed with re-installation 12328 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12329 12330 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12331 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12332 12333 PackageParser.Package newPackage = null; 12334 try { 12335 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 12336 if (newPackage.mExtras != null) { 12337 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12338 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12339 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12340 12341 // is the update attempting to change shared user? that isn't going to work... 12342 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12343 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12344 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12345 + " to " + newPkgSetting.sharedUser); 12346 updatedSettings = true; 12347 } 12348 } 12349 12350 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12351 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12352 perUserInstalled, res, user); 12353 updatedSettings = true; 12354 } 12355 12356 } catch (PackageManagerException e) { 12357 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12358 } 12359 12360 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12361 // Re installation failed. Restore old information 12362 // Remove new pkg information 12363 if (newPackage != null) { 12364 removeInstalledPackageLI(newPackage, true); 12365 } 12366 // Add back the old system package 12367 try { 12368 scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12369 } catch (PackageManagerException e) { 12370 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12371 } 12372 // Restore the old system information in Settings 12373 synchronized (mPackages) { 12374 if (disabledSystem) { 12375 mSettings.enableSystemPackageLPw(packageName); 12376 } 12377 if (updatedSettings) { 12378 mSettings.setInstallerPackageName(packageName, 12379 oldPkgSetting.installerPackageName); 12380 } 12381 mSettings.writeLPr(); 12382 } 12383 } 12384 } 12385 12386 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 12387 // Collect all used permissions in the UID 12388 ArraySet<String> usedPermissions = new ArraySet<>(); 12389 final int packageCount = su.packages.size(); 12390 for (int i = 0; i < packageCount; i++) { 12391 PackageSetting ps = su.packages.valueAt(i); 12392 if (ps.pkg == null) { 12393 continue; 12394 } 12395 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 12396 for (int j = 0; j < requestedPermCount; j++) { 12397 String permission = ps.pkg.requestedPermissions.get(j); 12398 BasePermission bp = mSettings.mPermissions.get(permission); 12399 if (bp != null) { 12400 usedPermissions.add(permission); 12401 } 12402 } 12403 } 12404 12405 PermissionsState permissionsState = su.getPermissionsState(); 12406 // Prune install permissions 12407 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 12408 final int installPermCount = installPermStates.size(); 12409 for (int i = installPermCount - 1; i >= 0; i--) { 12410 PermissionState permissionState = installPermStates.get(i); 12411 if (!usedPermissions.contains(permissionState.getName())) { 12412 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12413 if (bp != null) { 12414 permissionsState.revokeInstallPermission(bp); 12415 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12416 PackageManager.MASK_PERMISSION_FLAGS, 0); 12417 } 12418 } 12419 } 12420 12421 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 12422 12423 // Prune runtime permissions 12424 for (int userId : allUserIds) { 12425 List<PermissionState> runtimePermStates = permissionsState 12426 .getRuntimePermissionStates(userId); 12427 final int runtimePermCount = runtimePermStates.size(); 12428 for (int i = runtimePermCount - 1; i >= 0; i--) { 12429 PermissionState permissionState = runtimePermStates.get(i); 12430 if (!usedPermissions.contains(permissionState.getName())) { 12431 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12432 if (bp != null) { 12433 permissionsState.revokeRuntimePermission(bp, userId); 12434 permissionsState.updatePermissionFlags(bp, userId, 12435 PackageManager.MASK_PERMISSION_FLAGS, 0); 12436 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 12437 runtimePermissionChangedUserIds, userId); 12438 } 12439 } 12440 } 12441 } 12442 12443 return runtimePermissionChangedUserIds; 12444 } 12445 12446 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12447 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12448 UserHandle user) { 12449 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 12450 12451 String pkgName = newPackage.packageName; 12452 synchronized (mPackages) { 12453 //write settings. the installStatus will be incomplete at this stage. 12454 //note that the new package setting would have already been 12455 //added to mPackages. It hasn't been persisted yet. 12456 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12457 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12458 mSettings.writeLPr(); 12459 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12460 } 12461 12462 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12463 synchronized (mPackages) { 12464 updatePermissionsLPw(newPackage.packageName, newPackage, 12465 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12466 ? UPDATE_PERMISSIONS_ALL : 0)); 12467 // For system-bundled packages, we assume that installing an upgraded version 12468 // of the package implies that the user actually wants to run that new code, 12469 // so we enable the package. 12470 PackageSetting ps = mSettings.mPackages.get(pkgName); 12471 if (ps != null) { 12472 if (isSystemApp(newPackage)) { 12473 // NB: implicit assumption that system package upgrades apply to all users 12474 if (DEBUG_INSTALL) { 12475 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12476 } 12477 if (res.origUsers != null) { 12478 for (int userHandle : res.origUsers) { 12479 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12480 userHandle, installerPackageName); 12481 } 12482 } 12483 // Also convey the prior install/uninstall state 12484 if (allUsers != null && perUserInstalled != null) { 12485 for (int i = 0; i < allUsers.length; i++) { 12486 if (DEBUG_INSTALL) { 12487 Slog.d(TAG, " user " + allUsers[i] 12488 + " => " + perUserInstalled[i]); 12489 } 12490 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12491 } 12492 // these install state changes will be persisted in the 12493 // upcoming call to mSettings.writeLPr(). 12494 } 12495 } 12496 // It's implied that when a user requests installation, they want the app to be 12497 // installed and enabled. 12498 int userId = user.getIdentifier(); 12499 if (userId != UserHandle.USER_ALL) { 12500 ps.setInstalled(true, userId); 12501 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12502 } 12503 } 12504 res.name = pkgName; 12505 res.uid = newPackage.applicationInfo.uid; 12506 res.pkg = newPackage; 12507 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12508 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12509 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12510 //to update install status 12511 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12512 mSettings.writeLPr(); 12513 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12514 } 12515 12516 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12517 } 12518 12519 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 12520 try { 12521 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 12522 installPackageLI(args, res); 12523 } finally { 12524 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12525 } 12526 } 12527 12528 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12529 final int installFlags = args.installFlags; 12530 final String installerPackageName = args.installerPackageName; 12531 final String volumeUuid = args.volumeUuid; 12532 final File tmpPackageFile = new File(args.getCodePath()); 12533 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12534 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12535 || (args.volumeUuid != null)); 12536 final boolean quickInstall = ((installFlags & PackageManager.INSTALL_QUICK) != 0); 12537 boolean replace = false; 12538 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12539 if (args.move != null) { 12540 // moving a complete application; perfom an initial scan on the new install location 12541 scanFlags |= SCAN_INITIAL; 12542 } 12543 // Result object to be returned 12544 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12545 12546 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12547 12548 // Retrieve PackageSettings and parse package 12549 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12550 | PackageParser.PARSE_ENFORCE_CODE 12551 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12552 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 12553 | (quickInstall ? PackageParser.PARSE_SKIP_VERIFICATION : 0); 12554 PackageParser pp = new PackageParser(); 12555 pp.setSeparateProcesses(mSeparateProcesses); 12556 pp.setDisplayMetrics(mMetrics); 12557 12558 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 12559 final PackageParser.Package pkg; 12560 try { 12561 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12562 } catch (PackageParserException e) { 12563 res.setError("Failed parse during installPackageLI", e); 12564 return; 12565 } finally { 12566 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12567 } 12568 12569 // Mark that we have an install time CPU ABI override. 12570 pkg.cpuAbiOverride = args.abiOverride; 12571 12572 String pkgName = res.name = pkg.packageName; 12573 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12574 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12575 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12576 return; 12577 } 12578 } 12579 12580 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 12581 try { 12582 pp.collectCertificates(pkg, parseFlags); 12583 } catch (PackageParserException e) { 12584 res.setError("Failed collect during installPackageLI", e); 12585 return; 12586 } finally { 12587 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12588 } 12589 12590 /* If the installer passed in a manifest digest, compare it now. */ 12591 if (args.manifestDigest != null) { 12592 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectManifestDigest"); 12593 try { 12594 pp.collectManifestDigest(pkg); 12595 } catch (PackageParserException e) { 12596 res.setError("Failed collect during installPackageLI", e); 12597 return; 12598 } finally { 12599 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12600 } 12601 12602 if (DEBUG_INSTALL) { 12603 final String parsedManifest = pkg.manifestDigest == null ? "null" 12604 : pkg.manifestDigest.toString(); 12605 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12606 + parsedManifest); 12607 } 12608 12609 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12610 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12611 return; 12612 } 12613 } else if (DEBUG_INSTALL) { 12614 final String parsedManifest = pkg.manifestDigest == null 12615 ? "null" : pkg.manifestDigest.toString(); 12616 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12617 } 12618 12619 // Get rid of all references to package scan path via parser. 12620 pp = null; 12621 String oldCodePath = null; 12622 boolean systemApp = false; 12623 synchronized (mPackages) { 12624 // Check if installing already existing package 12625 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12626 String oldName = mSettings.mRenamedPackages.get(pkgName); 12627 if (pkg.mOriginalPackages != null 12628 && pkg.mOriginalPackages.contains(oldName) 12629 && mPackages.containsKey(oldName)) { 12630 // This package is derived from an original package, 12631 // and this device has been updating from that original 12632 // name. We must continue using the original name, so 12633 // rename the new package here. 12634 pkg.setPackageName(oldName); 12635 pkgName = pkg.packageName; 12636 replace = true; 12637 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12638 + oldName + " pkgName=" + pkgName); 12639 } else if (mPackages.containsKey(pkgName)) { 12640 // This package, under its official name, already exists 12641 // on the device; we should replace it. 12642 replace = true; 12643 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12644 } 12645 12646 // Prevent apps opting out from runtime permissions 12647 if (replace) { 12648 PackageParser.Package oldPackage = mPackages.get(pkgName); 12649 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12650 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12651 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12652 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12653 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12654 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12655 + " doesn't support runtime permissions but the old" 12656 + " target SDK " + oldTargetSdk + " does."); 12657 return; 12658 } 12659 } 12660 } 12661 12662 PackageSetting ps = mSettings.mPackages.get(pkgName); 12663 if (ps != null) { 12664 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12665 12666 // Quick sanity check that we're signed correctly if updating; 12667 // we'll check this again later when scanning, but we want to 12668 // bail early here before tripping over redefined permissions. 12669 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12670 if (!checkUpgradeKeySetLP(ps, pkg)) { 12671 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12672 + pkg.packageName + " upgrade keys do not match the " 12673 + "previously installed version"); 12674 return; 12675 } 12676 } else { 12677 try { 12678 verifySignaturesLP(ps, pkg); 12679 } catch (PackageManagerException e) { 12680 res.setError(e.error, e.getMessage()); 12681 return; 12682 } 12683 } 12684 12685 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12686 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12687 systemApp = (ps.pkg.applicationInfo.flags & 12688 ApplicationInfo.FLAG_SYSTEM) != 0; 12689 } 12690 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12691 } 12692 12693 // Check whether the newly-scanned package wants to define an already-defined perm 12694 int N = pkg.permissions.size(); 12695 for (int i = N-1; i >= 0; i--) { 12696 PackageParser.Permission perm = pkg.permissions.get(i); 12697 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12698 if (bp != null) { 12699 // If the defining package is signed with our cert, it's okay. This 12700 // also includes the "updating the same package" case, of course. 12701 // "updating same package" could also involve key-rotation. 12702 final boolean sigsOk; 12703 if (bp.sourcePackage.equals(pkg.packageName) 12704 && (bp.packageSetting instanceof PackageSetting) 12705 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12706 scanFlags))) { 12707 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12708 } else { 12709 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12710 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12711 } 12712 if (!sigsOk) { 12713 // If the owning package is the system itself, we log but allow 12714 // install to proceed; we fail the install on all other permission 12715 // redefinitions. 12716 if (!bp.sourcePackage.equals("android")) { 12717 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12718 + pkg.packageName + " attempting to redeclare permission " 12719 + perm.info.name + " already owned by " + bp.sourcePackage); 12720 res.origPermission = perm.info.name; 12721 res.origPackage = bp.sourcePackage; 12722 return; 12723 } else { 12724 Slog.w(TAG, "Package " + pkg.packageName 12725 + " attempting to redeclare system permission " 12726 + perm.info.name + "; ignoring new declaration"); 12727 pkg.permissions.remove(i); 12728 } 12729 } 12730 } 12731 } 12732 12733 } 12734 12735 if (systemApp && onExternal) { 12736 // Disable updates to system apps on sdcard 12737 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12738 "Cannot install updates to system apps on sdcard"); 12739 return; 12740 } 12741 12742 if (args.move != null) { 12743 // We did an in-place move, so dex is ready to roll 12744 scanFlags |= SCAN_NO_DEX; 12745 scanFlags |= SCAN_MOVE; 12746 12747 synchronized (mPackages) { 12748 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12749 if (ps == null) { 12750 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 12751 "Missing settings for moved package " + pkgName); 12752 } 12753 12754 // We moved the entire application as-is, so bring over the 12755 // previously derived ABI information. 12756 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 12757 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 12758 } 12759 12760 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12761 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12762 scanFlags |= SCAN_NO_DEX; 12763 12764 try { 12765 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12766 true /* extract libs */); 12767 } catch (PackageManagerException pme) { 12768 Slog.e(TAG, "Error deriving application ABI", pme); 12769 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12770 return; 12771 } 12772 } 12773 12774 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12775 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12776 return; 12777 } 12778 12779 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12780 12781 if (replace) { 12782 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 12783 installerPackageName, volumeUuid, res); 12784 } else { 12785 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12786 args.user, installerPackageName, volumeUuid, res); 12787 } 12788 synchronized (mPackages) { 12789 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12790 if (ps != null) { 12791 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12792 } 12793 } 12794 } 12795 12796 private void startIntentFilterVerifications(int userId, boolean replacing, 12797 PackageParser.Package pkg) { 12798 if (mIntentFilterVerifierComponent == null) { 12799 Slog.w(TAG, "No IntentFilter verification will not be done as " 12800 + "there is no IntentFilterVerifier available!"); 12801 return; 12802 } 12803 12804 final int verifierUid = getPackageUid( 12805 mIntentFilterVerifierComponent.getPackageName(), 12806 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 12807 12808 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12809 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12810 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12811 mHandler.sendMessage(msg); 12812 } 12813 12814 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12815 PackageParser.Package pkg) { 12816 int size = pkg.activities.size(); 12817 if (size == 0) { 12818 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12819 "No activity, so no need to verify any IntentFilter!"); 12820 return; 12821 } 12822 12823 final boolean hasDomainURLs = hasDomainURLs(pkg); 12824 if (!hasDomainURLs) { 12825 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12826 "No domain URLs, so no need to verify any IntentFilter!"); 12827 return; 12828 } 12829 12830 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12831 + " if any IntentFilter from the " + size 12832 + " Activities needs verification ..."); 12833 12834 int count = 0; 12835 final String packageName = pkg.packageName; 12836 12837 synchronized (mPackages) { 12838 // If this is a new install and we see that we've already run verification for this 12839 // package, we have nothing to do: it means the state was restored from backup. 12840 if (!replacing) { 12841 IntentFilterVerificationInfo ivi = 12842 mSettings.getIntentFilterVerificationLPr(packageName); 12843 if (ivi != null) { 12844 if (DEBUG_DOMAIN_VERIFICATION) { 12845 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 12846 + ivi.getStatusString()); 12847 } 12848 return; 12849 } 12850 } 12851 12852 // If any filters need to be verified, then all need to be. 12853 boolean needToVerify = false; 12854 for (PackageParser.Activity a : pkg.activities) { 12855 for (ActivityIntentInfo filter : a.intents) { 12856 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 12857 if (DEBUG_DOMAIN_VERIFICATION) { 12858 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 12859 } 12860 needToVerify = true; 12861 break; 12862 } 12863 } 12864 } 12865 12866 if (needToVerify) { 12867 final int verificationId = mIntentFilterVerificationToken++; 12868 for (PackageParser.Activity a : pkg.activities) { 12869 for (ActivityIntentInfo filter : a.intents) { 12870 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 12871 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12872 "Verification needed for IntentFilter:" + filter.toString()); 12873 mIntentFilterVerifier.addOneIntentFilterVerification( 12874 verifierUid, userId, verificationId, filter, packageName); 12875 count++; 12876 } 12877 } 12878 } 12879 } 12880 } 12881 12882 if (count > 0) { 12883 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 12884 + " IntentFilter verification" + (count > 1 ? "s" : "") 12885 + " for userId:" + userId); 12886 mIntentFilterVerifier.startVerifications(userId); 12887 } else { 12888 if (DEBUG_DOMAIN_VERIFICATION) { 12889 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 12890 } 12891 } 12892 } 12893 12894 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 12895 final ComponentName cn = filter.activity.getComponentName(); 12896 final String packageName = cn.getPackageName(); 12897 12898 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 12899 packageName); 12900 if (ivi == null) { 12901 return true; 12902 } 12903 int status = ivi.getStatus(); 12904 switch (status) { 12905 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 12906 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 12907 return true; 12908 12909 default: 12910 // Nothing to do 12911 return false; 12912 } 12913 } 12914 12915 private static boolean isMultiArch(PackageSetting ps) { 12916 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12917 } 12918 12919 private static boolean isMultiArch(ApplicationInfo info) { 12920 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12921 } 12922 12923 private static boolean isExternal(PackageParser.Package pkg) { 12924 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12925 } 12926 12927 private static boolean isExternal(PackageSetting ps) { 12928 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12929 } 12930 12931 private static boolean isExternal(ApplicationInfo info) { 12932 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12933 } 12934 12935 private static boolean isSystemApp(PackageParser.Package pkg) { 12936 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12937 } 12938 12939 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 12940 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 12941 } 12942 12943 private static boolean hasDomainURLs(PackageParser.Package pkg) { 12944 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 12945 } 12946 12947 private static boolean isSystemApp(PackageSetting ps) { 12948 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 12949 } 12950 12951 private static boolean isUpdatedSystemApp(PackageSetting ps) { 12952 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 12953 } 12954 12955 private int packageFlagsToInstallFlags(PackageSetting ps) { 12956 int installFlags = 0; 12957 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 12958 // This existing package was an external ASEC install when we have 12959 // the external flag without a UUID 12960 installFlags |= PackageManager.INSTALL_EXTERNAL; 12961 } 12962 if (ps.isForwardLocked()) { 12963 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12964 } 12965 return installFlags; 12966 } 12967 12968 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 12969 if (isExternal(pkg)) { 12970 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12971 return StorageManager.UUID_PRIMARY_PHYSICAL; 12972 } else { 12973 return pkg.volumeUuid; 12974 } 12975 } else { 12976 return StorageManager.UUID_PRIVATE_INTERNAL; 12977 } 12978 } 12979 12980 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 12981 if (isExternal(pkg)) { 12982 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12983 return mSettings.getExternalVersion(); 12984 } else { 12985 return mSettings.findOrCreateVersion(pkg.volumeUuid); 12986 } 12987 } else { 12988 return mSettings.getInternalVersion(); 12989 } 12990 } 12991 12992 private void deleteTempPackageFiles() { 12993 final FilenameFilter filter = new FilenameFilter() { 12994 public boolean accept(File dir, String name) { 12995 return name.startsWith("vmdl") && name.endsWith(".tmp"); 12996 } 12997 }; 12998 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 12999 file.delete(); 13000 } 13001 } 13002 13003 @Override 13004 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 13005 int flags) { 13006 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 13007 flags); 13008 } 13009 13010 @Override 13011 public void deletePackage(final String packageName, 13012 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 13013 mContext.enforceCallingOrSelfPermission( 13014 android.Manifest.permission.DELETE_PACKAGES, null); 13015 Preconditions.checkNotNull(packageName); 13016 Preconditions.checkNotNull(observer); 13017 final int uid = Binder.getCallingUid(); 13018 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 13019 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 13020 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 13021 mContext.enforceCallingPermission( 13022 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 13023 "deletePackage for user " + userId); 13024 } 13025 13026 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 13027 try { 13028 observer.onPackageDeleted(packageName, 13029 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 13030 } catch (RemoteException re) { 13031 } 13032 return; 13033 } 13034 13035 for (int currentUserId : users) { 13036 if (getBlockUninstallForUser(packageName, currentUserId)) { 13037 try { 13038 observer.onPackageDeleted(packageName, 13039 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 13040 } catch (RemoteException re) { 13041 } 13042 return; 13043 } 13044 } 13045 13046 if (DEBUG_REMOVE) { 13047 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 13048 } 13049 // Queue up an async operation since the package deletion may take a little while. 13050 mHandler.post(new Runnable() { 13051 public void run() { 13052 mHandler.removeCallbacks(this); 13053 final int returnCode = deletePackageX(packageName, userId, flags); 13054 try { 13055 observer.onPackageDeleted(packageName, returnCode, null); 13056 } catch (RemoteException e) { 13057 Log.i(TAG, "Observer no longer exists."); 13058 } //end catch 13059 } //end run 13060 }); 13061 } 13062 13063 private boolean isPackageDeviceAdmin(String packageName, int userId) { 13064 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13065 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13066 try { 13067 if (dpm != null) { 13068 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwner(); 13069 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 13070 : deviceOwnerComponentName.getPackageName(); 13071 // Does the package contains the device owner? 13072 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 13073 // this check is probably not needed, since DO should be registered as a device 13074 // admin on some user too. (Original bug for this: b/17657954) 13075 if (packageName.equals(deviceOwnerPackageName)) { 13076 return true; 13077 } 13078 // Does it contain a device admin for any user? 13079 int[] users; 13080 if (userId == UserHandle.USER_ALL) { 13081 users = sUserManager.getUserIds(); 13082 } else { 13083 users = new int[]{userId}; 13084 } 13085 for (int i = 0; i < users.length; ++i) { 13086 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 13087 return true; 13088 } 13089 } 13090 } 13091 } catch (RemoteException e) { 13092 } 13093 return false; 13094 } 13095 13096 /** 13097 * This method is an internal method that could be get invoked either 13098 * to delete an installed package or to clean up a failed installation. 13099 * After deleting an installed package, a broadcast is sent to notify any 13100 * listeners that the package has been installed. For cleaning up a failed 13101 * installation, the broadcast is not necessary since the package's 13102 * installation wouldn't have sent the initial broadcast either 13103 * The key steps in deleting a package are 13104 * deleting the package information in internal structures like mPackages, 13105 * deleting the packages base directories through installd 13106 * updating mSettings to reflect current status 13107 * persisting settings for later use 13108 * sending a broadcast if necessary 13109 */ 13110 private int deletePackageX(String packageName, int userId, int flags) { 13111 final PackageRemovedInfo info = new PackageRemovedInfo(); 13112 final boolean res; 13113 13114 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 13115 ? UserHandle.ALL : new UserHandle(userId); 13116 13117 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 13118 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 13119 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 13120 } 13121 13122 boolean removedForAllUsers = false; 13123 boolean systemUpdate = false; 13124 13125 // for the uninstall-updates case and restricted profiles, remember the per- 13126 // userhandle installed state 13127 int[] allUsers; 13128 boolean[] perUserInstalled; 13129 synchronized (mPackages) { 13130 PackageSetting ps = mSettings.mPackages.get(packageName); 13131 allUsers = sUserManager.getUserIds(); 13132 perUserInstalled = new boolean[allUsers.length]; 13133 for (int i = 0; i < allUsers.length; i++) { 13134 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 13135 } 13136 } 13137 13138 synchronized (mInstallLock) { 13139 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 13140 res = deletePackageLI(packageName, removeForUser, 13141 true, allUsers, perUserInstalled, 13142 flags | REMOVE_CHATTY, info, true); 13143 systemUpdate = info.isRemovedPackageSystemUpdate; 13144 if (res && !systemUpdate && mPackages.get(packageName) == null) { 13145 removedForAllUsers = true; 13146 } 13147 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 13148 + " removedForAllUsers=" + removedForAllUsers); 13149 } 13150 13151 if (res) { 13152 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 13153 13154 // If the removed package was a system update, the old system package 13155 // was re-enabled; we need to broadcast this information 13156 if (systemUpdate) { 13157 Bundle extras = new Bundle(1); 13158 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 13159 ? info.removedAppId : info.uid); 13160 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13161 13162 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 13163 extras, 0, null, null, null); 13164 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 13165 extras, 0, null, null, null); 13166 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 13167 null, 0, packageName, null, null); 13168 } 13169 } 13170 // Force a gc here. 13171 Runtime.getRuntime().gc(); 13172 // Delete the resources here after sending the broadcast to let 13173 // other processes clean up before deleting resources. 13174 if (info.args != null) { 13175 synchronized (mInstallLock) { 13176 info.args.doPostDeleteLI(true); 13177 } 13178 } 13179 13180 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 13181 } 13182 13183 class PackageRemovedInfo { 13184 String removedPackage; 13185 int uid = -1; 13186 int removedAppId = -1; 13187 int[] removedUsers = null; 13188 boolean isRemovedPackageSystemUpdate = false; 13189 // Clean up resources deleted packages. 13190 InstallArgs args = null; 13191 13192 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 13193 Bundle extras = new Bundle(1); 13194 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 13195 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 13196 if (replacing) { 13197 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13198 } 13199 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 13200 if (removedPackage != null) { 13201 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 13202 extras, 0, null, null, removedUsers); 13203 if (fullRemove && !replacing) { 13204 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 13205 extras, 0, null, null, removedUsers); 13206 } 13207 } 13208 if (removedAppId >= 0) { 13209 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 13210 removedUsers); 13211 } 13212 } 13213 } 13214 13215 /* 13216 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 13217 * flag is not set, the data directory is removed as well. 13218 * make sure this flag is set for partially installed apps. If not its meaningless to 13219 * delete a partially installed application. 13220 */ 13221 private void removePackageDataLI(PackageSetting ps, 13222 int[] allUserHandles, boolean[] perUserInstalled, 13223 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 13224 String packageName = ps.name; 13225 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 13226 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 13227 // Retrieve object to delete permissions for shared user later on 13228 final PackageSetting deletedPs; 13229 // reader 13230 synchronized (mPackages) { 13231 deletedPs = mSettings.mPackages.get(packageName); 13232 if (outInfo != null) { 13233 outInfo.removedPackage = packageName; 13234 outInfo.removedUsers = deletedPs != null 13235 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 13236 : null; 13237 } 13238 } 13239 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13240 removeDataDirsLI(ps.volumeUuid, packageName); 13241 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 13242 } 13243 // writer 13244 synchronized (mPackages) { 13245 if (deletedPs != null) { 13246 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13247 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 13248 clearDefaultBrowserIfNeeded(packageName); 13249 if (outInfo != null) { 13250 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 13251 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 13252 } 13253 updatePermissionsLPw(deletedPs.name, null, 0); 13254 if (deletedPs.sharedUser != null) { 13255 // Remove permissions associated with package. Since runtime 13256 // permissions are per user we have to kill the removed package 13257 // or packages running under the shared user of the removed 13258 // package if revoking the permissions requested only by the removed 13259 // package is successful and this causes a change in gids. 13260 for (int userId : UserManagerService.getInstance().getUserIds()) { 13261 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 13262 userId); 13263 if (userIdToKill == UserHandle.USER_ALL 13264 || userIdToKill >= UserHandle.USER_SYSTEM) { 13265 // If gids changed for this user, kill all affected packages. 13266 mHandler.post(new Runnable() { 13267 @Override 13268 public void run() { 13269 // This has to happen with no lock held. 13270 killApplication(deletedPs.name, deletedPs.appId, 13271 KILL_APP_REASON_GIDS_CHANGED); 13272 } 13273 }); 13274 break; 13275 } 13276 } 13277 } 13278 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 13279 } 13280 // make sure to preserve per-user disabled state if this removal was just 13281 // a downgrade of a system app to the factory package 13282 if (allUserHandles != null && perUserInstalled != null) { 13283 if (DEBUG_REMOVE) { 13284 Slog.d(TAG, "Propagating install state across downgrade"); 13285 } 13286 for (int i = 0; i < allUserHandles.length; i++) { 13287 if (DEBUG_REMOVE) { 13288 Slog.d(TAG, " user " + allUserHandles[i] 13289 + " => " + perUserInstalled[i]); 13290 } 13291 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13292 } 13293 } 13294 } 13295 // can downgrade to reader 13296 if (writeSettings) { 13297 // Save settings now 13298 mSettings.writeLPr(); 13299 } 13300 } 13301 if (outInfo != null) { 13302 // A user ID was deleted here. Go through all users and remove it 13303 // from KeyStore. 13304 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 13305 } 13306 } 13307 13308 static boolean locationIsPrivileged(File path) { 13309 try { 13310 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 13311 .getCanonicalPath(); 13312 return path.getCanonicalPath().startsWith(privilegedAppDir); 13313 } catch (IOException e) { 13314 Slog.e(TAG, "Unable to access code path " + path); 13315 } 13316 return false; 13317 } 13318 13319 /* 13320 * Tries to delete system package. 13321 */ 13322 private boolean deleteSystemPackageLI(PackageSetting newPs, 13323 int[] allUserHandles, boolean[] perUserInstalled, 13324 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 13325 final boolean applyUserRestrictions 13326 = (allUserHandles != null) && (perUserInstalled != null); 13327 PackageSetting disabledPs = null; 13328 // Confirm if the system package has been updated 13329 // An updated system app can be deleted. This will also have to restore 13330 // the system pkg from system partition 13331 // reader 13332 synchronized (mPackages) { 13333 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 13334 } 13335 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 13336 + " disabledPs=" + disabledPs); 13337 if (disabledPs == null) { 13338 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 13339 return false; 13340 } else if (DEBUG_REMOVE) { 13341 Slog.d(TAG, "Deleting system pkg from data partition"); 13342 } 13343 if (DEBUG_REMOVE) { 13344 if (applyUserRestrictions) { 13345 Slog.d(TAG, "Remembering install states:"); 13346 for (int i = 0; i < allUserHandles.length; i++) { 13347 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 13348 } 13349 } 13350 } 13351 // Delete the updated package 13352 outInfo.isRemovedPackageSystemUpdate = true; 13353 if (disabledPs.versionCode < newPs.versionCode) { 13354 // Delete data for downgrades 13355 flags &= ~PackageManager.DELETE_KEEP_DATA; 13356 } else { 13357 // Preserve data by setting flag 13358 flags |= PackageManager.DELETE_KEEP_DATA; 13359 } 13360 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13361 allUserHandles, perUserInstalled, outInfo, writeSettings); 13362 if (!ret) { 13363 return false; 13364 } 13365 // writer 13366 synchronized (mPackages) { 13367 // Reinstate the old system package 13368 mSettings.enableSystemPackageLPw(newPs.name); 13369 // Remove any native libraries from the upgraded package. 13370 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13371 } 13372 // Install the system package 13373 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13374 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13375 if (locationIsPrivileged(disabledPs.codePath)) { 13376 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13377 } 13378 13379 final PackageParser.Package newPkg; 13380 try { 13381 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13382 } catch (PackageManagerException e) { 13383 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 13384 return false; 13385 } 13386 13387 // writer 13388 synchronized (mPackages) { 13389 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13390 13391 // Propagate the permissions state as we do not want to drop on the floor 13392 // runtime permissions. The update permissions method below will take 13393 // care of removing obsolete permissions and grant install permissions. 13394 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13395 updatePermissionsLPw(newPkg.packageName, newPkg, 13396 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13397 13398 if (applyUserRestrictions) { 13399 if (DEBUG_REMOVE) { 13400 Slog.d(TAG, "Propagating install state across reinstall"); 13401 } 13402 for (int i = 0; i < allUserHandles.length; i++) { 13403 if (DEBUG_REMOVE) { 13404 Slog.d(TAG, " user " + allUserHandles[i] 13405 + " => " + perUserInstalled[i]); 13406 } 13407 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13408 13409 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13410 } 13411 // Regardless of writeSettings we need to ensure that this restriction 13412 // state propagation is persisted 13413 mSettings.writeAllUsersPackageRestrictionsLPr(); 13414 } 13415 // can downgrade to reader here 13416 if (writeSettings) { 13417 mSettings.writeLPr(); 13418 } 13419 } 13420 return true; 13421 } 13422 13423 private boolean deleteInstalledPackageLI(PackageSetting ps, 13424 boolean deleteCodeAndResources, int flags, 13425 int[] allUserHandles, boolean[] perUserInstalled, 13426 PackageRemovedInfo outInfo, boolean writeSettings) { 13427 if (outInfo != null) { 13428 outInfo.uid = ps.appId; 13429 } 13430 13431 // Delete package data from internal structures and also remove data if flag is set 13432 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13433 13434 // Delete application code and resources 13435 if (deleteCodeAndResources && (outInfo != null)) { 13436 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13437 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13438 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13439 } 13440 return true; 13441 } 13442 13443 @Override 13444 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13445 int userId) { 13446 mContext.enforceCallingOrSelfPermission( 13447 android.Manifest.permission.DELETE_PACKAGES, null); 13448 synchronized (mPackages) { 13449 PackageSetting ps = mSettings.mPackages.get(packageName); 13450 if (ps == null) { 13451 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13452 return false; 13453 } 13454 if (!ps.getInstalled(userId)) { 13455 // Can't block uninstall for an app that is not installed or enabled. 13456 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13457 return false; 13458 } 13459 ps.setBlockUninstall(blockUninstall, userId); 13460 mSettings.writePackageRestrictionsLPr(userId); 13461 } 13462 return true; 13463 } 13464 13465 @Override 13466 public boolean getBlockUninstallForUser(String packageName, int userId) { 13467 synchronized (mPackages) { 13468 PackageSetting ps = mSettings.mPackages.get(packageName); 13469 if (ps == null) { 13470 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13471 return false; 13472 } 13473 return ps.getBlockUninstall(userId); 13474 } 13475 } 13476 13477 /* 13478 * This method handles package deletion in general 13479 */ 13480 private boolean deletePackageLI(String packageName, UserHandle user, 13481 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13482 int flags, PackageRemovedInfo outInfo, 13483 boolean writeSettings) { 13484 if (packageName == null) { 13485 Slog.w(TAG, "Attempt to delete null packageName."); 13486 return false; 13487 } 13488 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13489 PackageSetting ps; 13490 boolean dataOnly = false; 13491 int removeUser = -1; 13492 int appId = -1; 13493 synchronized (mPackages) { 13494 ps = mSettings.mPackages.get(packageName); 13495 if (ps == null) { 13496 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13497 return false; 13498 } 13499 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13500 && user.getIdentifier() != UserHandle.USER_ALL) { 13501 // The caller is asking that the package only be deleted for a single 13502 // user. To do this, we just mark its uninstalled state and delete 13503 // its data. If this is a system app, we only allow this to happen if 13504 // they have set the special DELETE_SYSTEM_APP which requests different 13505 // semantics than normal for uninstalling system apps. 13506 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13507 final int userId = user.getIdentifier(); 13508 ps.setUserState(userId, 13509 COMPONENT_ENABLED_STATE_DEFAULT, 13510 false, //installed 13511 true, //stopped 13512 true, //notLaunched 13513 false, //hidden 13514 null, null, null, 13515 false, // blockUninstall 13516 ps.readUserState(userId).domainVerificationStatus, 0); 13517 if (!isSystemApp(ps)) { 13518 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 13519 // Other user still have this package installed, so all 13520 // we need to do is clear this user's data and save that 13521 // it is uninstalled. 13522 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13523 removeUser = user.getIdentifier(); 13524 appId = ps.appId; 13525 scheduleWritePackageRestrictionsLocked(removeUser); 13526 } else { 13527 // We need to set it back to 'installed' so the uninstall 13528 // broadcasts will be sent correctly. 13529 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13530 ps.setInstalled(true, user.getIdentifier()); 13531 } 13532 } else { 13533 // This is a system app, so we assume that the 13534 // other users still have this package installed, so all 13535 // we need to do is clear this user's data and save that 13536 // it is uninstalled. 13537 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13538 removeUser = user.getIdentifier(); 13539 appId = ps.appId; 13540 scheduleWritePackageRestrictionsLocked(removeUser); 13541 } 13542 } 13543 } 13544 13545 if (removeUser >= 0) { 13546 // From above, we determined that we are deleting this only 13547 // for a single user. Continue the work here. 13548 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13549 if (outInfo != null) { 13550 outInfo.removedPackage = packageName; 13551 outInfo.removedAppId = appId; 13552 outInfo.removedUsers = new int[] {removeUser}; 13553 } 13554 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13555 removeKeystoreDataIfNeeded(removeUser, appId); 13556 schedulePackageCleaning(packageName, removeUser, false); 13557 synchronized (mPackages) { 13558 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13559 scheduleWritePackageRestrictionsLocked(removeUser); 13560 } 13561 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13562 } 13563 return true; 13564 } 13565 13566 if (dataOnly) { 13567 // Delete application data first 13568 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13569 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13570 return true; 13571 } 13572 13573 boolean ret = false; 13574 if (isSystemApp(ps)) { 13575 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13576 // When an updated system application is deleted we delete the existing resources as well and 13577 // fall back to existing code in system partition 13578 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13579 flags, outInfo, writeSettings); 13580 } else { 13581 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13582 // Kill application pre-emptively especially for apps on sd. 13583 killApplication(packageName, ps.appId, "uninstall pkg"); 13584 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13585 allUserHandles, perUserInstalled, 13586 outInfo, writeSettings); 13587 } 13588 13589 return ret; 13590 } 13591 13592 private final class ClearStorageConnection implements ServiceConnection { 13593 IMediaContainerService mContainerService; 13594 13595 @Override 13596 public void onServiceConnected(ComponentName name, IBinder service) { 13597 synchronized (this) { 13598 mContainerService = IMediaContainerService.Stub.asInterface(service); 13599 notifyAll(); 13600 } 13601 } 13602 13603 @Override 13604 public void onServiceDisconnected(ComponentName name) { 13605 } 13606 } 13607 13608 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13609 final boolean mounted; 13610 if (Environment.isExternalStorageEmulated()) { 13611 mounted = true; 13612 } else { 13613 final String status = Environment.getExternalStorageState(); 13614 13615 mounted = status.equals(Environment.MEDIA_MOUNTED) 13616 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13617 } 13618 13619 if (!mounted) { 13620 return; 13621 } 13622 13623 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13624 int[] users; 13625 if (userId == UserHandle.USER_ALL) { 13626 users = sUserManager.getUserIds(); 13627 } else { 13628 users = new int[] { userId }; 13629 } 13630 final ClearStorageConnection conn = new ClearStorageConnection(); 13631 if (mContext.bindServiceAsUser( 13632 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 13633 try { 13634 for (int curUser : users) { 13635 long timeout = SystemClock.uptimeMillis() + 5000; 13636 synchronized (conn) { 13637 long now = SystemClock.uptimeMillis(); 13638 while (conn.mContainerService == null && now < timeout) { 13639 try { 13640 conn.wait(timeout - now); 13641 } catch (InterruptedException e) { 13642 } 13643 } 13644 } 13645 if (conn.mContainerService == null) { 13646 return; 13647 } 13648 13649 final UserEnvironment userEnv = new UserEnvironment(curUser); 13650 clearDirectory(conn.mContainerService, 13651 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13652 if (allData) { 13653 clearDirectory(conn.mContainerService, 13654 userEnv.buildExternalStorageAppDataDirs(packageName)); 13655 clearDirectory(conn.mContainerService, 13656 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13657 } 13658 } 13659 } finally { 13660 mContext.unbindService(conn); 13661 } 13662 } 13663 } 13664 13665 @Override 13666 public void clearApplicationUserData(final String packageName, 13667 final IPackageDataObserver observer, final int userId) { 13668 mContext.enforceCallingOrSelfPermission( 13669 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13670 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13671 // Queue up an async operation since the package deletion may take a little while. 13672 mHandler.post(new Runnable() { 13673 public void run() { 13674 mHandler.removeCallbacks(this); 13675 final boolean succeeded; 13676 synchronized (mInstallLock) { 13677 succeeded = clearApplicationUserDataLI(packageName, userId); 13678 } 13679 clearExternalStorageDataSync(packageName, userId, true); 13680 if (succeeded) { 13681 // invoke DeviceStorageMonitor's update method to clear any notifications 13682 DeviceStorageMonitorInternal 13683 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13684 if (dsm != null) { 13685 dsm.checkMemory(); 13686 } 13687 } 13688 if(observer != null) { 13689 try { 13690 observer.onRemoveCompleted(packageName, succeeded); 13691 } catch (RemoteException e) { 13692 Log.i(TAG, "Observer no longer exists."); 13693 } 13694 } //end if observer 13695 } //end run 13696 }); 13697 } 13698 13699 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13700 if (packageName == null) { 13701 Slog.w(TAG, "Attempt to delete null packageName."); 13702 return false; 13703 } 13704 13705 // Try finding details about the requested package 13706 PackageParser.Package pkg; 13707 synchronized (mPackages) { 13708 pkg = mPackages.get(packageName); 13709 if (pkg == null) { 13710 final PackageSetting ps = mSettings.mPackages.get(packageName); 13711 if (ps != null) { 13712 pkg = ps.pkg; 13713 } 13714 } 13715 13716 if (pkg == null) { 13717 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13718 return false; 13719 } 13720 13721 PackageSetting ps = (PackageSetting) pkg.mExtras; 13722 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13723 } 13724 13725 // Always delete data directories for package, even if we found no other 13726 // record of app. This helps users recover from UID mismatches without 13727 // resorting to a full data wipe. 13728 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 13729 if (retCode < 0) { 13730 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 13731 return false; 13732 } 13733 13734 final int appId = pkg.applicationInfo.uid; 13735 removeKeystoreDataIfNeeded(userId, appId); 13736 13737 // Create a native library symlink only if we have native libraries 13738 // and if the native libraries are 32 bit libraries. We do not provide 13739 // this symlink for 64 bit libraries. 13740 if (pkg.applicationInfo.primaryCpuAbi != null && 13741 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13742 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13743 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13744 nativeLibPath, userId) < 0) { 13745 Slog.w(TAG, "Failed linking native library dir"); 13746 return false; 13747 } 13748 } 13749 13750 return true; 13751 } 13752 13753 /** 13754 * Reverts user permission state changes (permissions and flags) in 13755 * all packages for a given user. 13756 * 13757 * @param userId The device user for which to do a reset. 13758 */ 13759 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 13760 final int packageCount = mPackages.size(); 13761 for (int i = 0; i < packageCount; i++) { 13762 PackageParser.Package pkg = mPackages.valueAt(i); 13763 PackageSetting ps = (PackageSetting) pkg.mExtras; 13764 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13765 } 13766 } 13767 13768 /** 13769 * Reverts user permission state changes (permissions and flags). 13770 * 13771 * @param ps The package for which to reset. 13772 * @param userId The device user for which to do a reset. 13773 */ 13774 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 13775 final PackageSetting ps, final int userId) { 13776 if (ps.pkg == null) { 13777 return; 13778 } 13779 13780 final int userSettableFlags = FLAG_PERMISSION_USER_SET 13781 | FLAG_PERMISSION_USER_FIXED 13782 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 13783 13784 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 13785 | FLAG_PERMISSION_POLICY_FIXED; 13786 13787 boolean writeInstallPermissions = false; 13788 boolean writeRuntimePermissions = false; 13789 13790 final int permissionCount = ps.pkg.requestedPermissions.size(); 13791 for (int i = 0; i < permissionCount; i++) { 13792 String permission = ps.pkg.requestedPermissions.get(i); 13793 13794 BasePermission bp = mSettings.mPermissions.get(permission); 13795 if (bp == null) { 13796 continue; 13797 } 13798 13799 // If shared user we just reset the state to which only this app contributed. 13800 if (ps.sharedUser != null) { 13801 boolean used = false; 13802 final int packageCount = ps.sharedUser.packages.size(); 13803 for (int j = 0; j < packageCount; j++) { 13804 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 13805 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 13806 && pkg.pkg.requestedPermissions.contains(permission)) { 13807 used = true; 13808 break; 13809 } 13810 } 13811 if (used) { 13812 continue; 13813 } 13814 } 13815 13816 PermissionsState permissionsState = ps.getPermissionsState(); 13817 13818 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 13819 13820 // Always clear the user settable flags. 13821 final boolean hasInstallState = permissionsState.getInstallPermissionState( 13822 bp.name) != null; 13823 if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) { 13824 if (hasInstallState) { 13825 writeInstallPermissions = true; 13826 } else { 13827 writeRuntimePermissions = true; 13828 } 13829 } 13830 13831 // Below is only runtime permission handling. 13832 if (!bp.isRuntime()) { 13833 continue; 13834 } 13835 13836 // Never clobber system or policy. 13837 if ((oldFlags & policyOrSystemFlags) != 0) { 13838 continue; 13839 } 13840 13841 // If this permission was granted by default, make sure it is. 13842 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 13843 if (permissionsState.grantRuntimePermission(bp, userId) 13844 != PERMISSION_OPERATION_FAILURE) { 13845 writeRuntimePermissions = true; 13846 } 13847 } else { 13848 // Otherwise, reset the permission. 13849 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 13850 switch (revokeResult) { 13851 case PERMISSION_OPERATION_SUCCESS: { 13852 writeRuntimePermissions = true; 13853 } break; 13854 13855 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 13856 writeRuntimePermissions = true; 13857 final int appId = ps.appId; 13858 mHandler.post(new Runnable() { 13859 @Override 13860 public void run() { 13861 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 13862 } 13863 }); 13864 } break; 13865 } 13866 } 13867 } 13868 13869 // Synchronously write as we are taking permissions away. 13870 if (writeRuntimePermissions) { 13871 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 13872 } 13873 13874 // Synchronously write as we are taking permissions away. 13875 if (writeInstallPermissions) { 13876 mSettings.writeLPr(); 13877 } 13878 } 13879 13880 /** 13881 * Remove entries from the keystore daemon. Will only remove it if the 13882 * {@code appId} is valid. 13883 */ 13884 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 13885 if (appId < 0) { 13886 return; 13887 } 13888 13889 final KeyStore keyStore = KeyStore.getInstance(); 13890 if (keyStore != null) { 13891 if (userId == UserHandle.USER_ALL) { 13892 for (final int individual : sUserManager.getUserIds()) { 13893 keyStore.clearUid(UserHandle.getUid(individual, appId)); 13894 } 13895 } else { 13896 keyStore.clearUid(UserHandle.getUid(userId, appId)); 13897 } 13898 } else { 13899 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 13900 } 13901 } 13902 13903 @Override 13904 public void deleteApplicationCacheFiles(final String packageName, 13905 final IPackageDataObserver observer) { 13906 mContext.enforceCallingOrSelfPermission( 13907 android.Manifest.permission.DELETE_CACHE_FILES, null); 13908 // Queue up an async operation since the package deletion may take a little while. 13909 final int userId = UserHandle.getCallingUserId(); 13910 mHandler.post(new Runnable() { 13911 public void run() { 13912 mHandler.removeCallbacks(this); 13913 final boolean succeded; 13914 synchronized (mInstallLock) { 13915 succeded = deleteApplicationCacheFilesLI(packageName, userId); 13916 } 13917 clearExternalStorageDataSync(packageName, userId, false); 13918 if (observer != null) { 13919 try { 13920 observer.onRemoveCompleted(packageName, succeded); 13921 } catch (RemoteException e) { 13922 Log.i(TAG, "Observer no longer exists."); 13923 } 13924 } //end if observer 13925 } //end run 13926 }); 13927 } 13928 13929 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 13930 if (packageName == null) { 13931 Slog.w(TAG, "Attempt to delete null packageName."); 13932 return false; 13933 } 13934 PackageParser.Package p; 13935 synchronized (mPackages) { 13936 p = mPackages.get(packageName); 13937 } 13938 if (p == null) { 13939 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13940 return false; 13941 } 13942 final ApplicationInfo applicationInfo = p.applicationInfo; 13943 if (applicationInfo == null) { 13944 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13945 return false; 13946 } 13947 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 13948 if (retCode < 0) { 13949 Slog.w(TAG, "Couldn't remove cache files for package: " 13950 + packageName + " u" + userId); 13951 return false; 13952 } 13953 return true; 13954 } 13955 13956 @Override 13957 public void getPackageSizeInfo(final String packageName, int userHandle, 13958 final IPackageStatsObserver observer) { 13959 mContext.enforceCallingOrSelfPermission( 13960 android.Manifest.permission.GET_PACKAGE_SIZE, null); 13961 if (packageName == null) { 13962 throw new IllegalArgumentException("Attempt to get size of null packageName"); 13963 } 13964 13965 PackageStats stats = new PackageStats(packageName, userHandle); 13966 13967 /* 13968 * Queue up an async operation since the package measurement may take a 13969 * little while. 13970 */ 13971 Message msg = mHandler.obtainMessage(INIT_COPY); 13972 msg.obj = new MeasureParams(stats, observer); 13973 mHandler.sendMessage(msg); 13974 } 13975 13976 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 13977 PackageStats pStats) { 13978 if (packageName == null) { 13979 Slog.w(TAG, "Attempt to get size of null packageName."); 13980 return false; 13981 } 13982 PackageParser.Package p; 13983 boolean dataOnly = false; 13984 String libDirRoot = null; 13985 String asecPath = null; 13986 PackageSetting ps = null; 13987 synchronized (mPackages) { 13988 p = mPackages.get(packageName); 13989 ps = mSettings.mPackages.get(packageName); 13990 if(p == null) { 13991 dataOnly = true; 13992 if((ps == null) || (ps.pkg == null)) { 13993 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13994 return false; 13995 } 13996 p = ps.pkg; 13997 } 13998 if (ps != null) { 13999 libDirRoot = ps.legacyNativeLibraryPathString; 14000 } 14001 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 14002 final long token = Binder.clearCallingIdentity(); 14003 try { 14004 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 14005 if (secureContainerId != null) { 14006 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 14007 } 14008 } finally { 14009 Binder.restoreCallingIdentity(token); 14010 } 14011 } 14012 } 14013 String publicSrcDir = null; 14014 if(!dataOnly) { 14015 final ApplicationInfo applicationInfo = p.applicationInfo; 14016 if (applicationInfo == null) { 14017 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14018 return false; 14019 } 14020 if (p.isForwardLocked()) { 14021 publicSrcDir = applicationInfo.getBaseResourcePath(); 14022 } 14023 } 14024 // TODO: extend to measure size of split APKs 14025 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 14026 // not just the first level. 14027 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 14028 // just the primary. 14029 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 14030 14031 String apkPath; 14032 File packageDir = new File(p.codePath); 14033 14034 if (packageDir.isDirectory() && p.canHaveOatDir()) { 14035 apkPath = packageDir.getAbsolutePath(); 14036 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 14037 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 14038 libDirRoot = null; 14039 } 14040 } else { 14041 apkPath = p.baseCodePath; 14042 } 14043 14044 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, apkPath, 14045 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 14046 if (res < 0) { 14047 return false; 14048 } 14049 14050 // Fix-up for forward-locked applications in ASEC containers. 14051 if (!isExternal(p)) { 14052 pStats.codeSize += pStats.externalCodeSize; 14053 pStats.externalCodeSize = 0L; 14054 } 14055 14056 return true; 14057 } 14058 14059 14060 @Override 14061 public void addPackageToPreferred(String packageName) { 14062 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 14063 } 14064 14065 @Override 14066 public void removePackageFromPreferred(String packageName) { 14067 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 14068 } 14069 14070 @Override 14071 public List<PackageInfo> getPreferredPackages(int flags) { 14072 return new ArrayList<PackageInfo>(); 14073 } 14074 14075 private int getUidTargetSdkVersionLockedLPr(int uid) { 14076 Object obj = mSettings.getUserIdLPr(uid); 14077 if (obj instanceof SharedUserSetting) { 14078 final SharedUserSetting sus = (SharedUserSetting) obj; 14079 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 14080 final Iterator<PackageSetting> it = sus.packages.iterator(); 14081 while (it.hasNext()) { 14082 final PackageSetting ps = it.next(); 14083 if (ps.pkg != null) { 14084 int v = ps.pkg.applicationInfo.targetSdkVersion; 14085 if (v < vers) vers = v; 14086 } 14087 } 14088 return vers; 14089 } else if (obj instanceof PackageSetting) { 14090 final PackageSetting ps = (PackageSetting) obj; 14091 if (ps.pkg != null) { 14092 return ps.pkg.applicationInfo.targetSdkVersion; 14093 } 14094 } 14095 return Build.VERSION_CODES.CUR_DEVELOPMENT; 14096 } 14097 14098 @Override 14099 public void addPreferredActivity(IntentFilter filter, int match, 14100 ComponentName[] set, ComponentName activity, int userId) { 14101 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14102 "Adding preferred"); 14103 } 14104 14105 private void addPreferredActivityInternal(IntentFilter filter, int match, 14106 ComponentName[] set, ComponentName activity, boolean always, int userId, 14107 String opname) { 14108 // writer 14109 int callingUid = Binder.getCallingUid(); 14110 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 14111 if (filter.countActions() == 0) { 14112 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14113 return; 14114 } 14115 synchronized (mPackages) { 14116 if (mContext.checkCallingOrSelfPermission( 14117 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14118 != PackageManager.PERMISSION_GRANTED) { 14119 if (getUidTargetSdkVersionLockedLPr(callingUid) 14120 < Build.VERSION_CODES.FROYO) { 14121 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 14122 + callingUid); 14123 return; 14124 } 14125 mContext.enforceCallingOrSelfPermission( 14126 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14127 } 14128 14129 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 14130 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 14131 + userId + ":"); 14132 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14133 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 14134 scheduleWritePackageRestrictionsLocked(userId); 14135 } 14136 } 14137 14138 @Override 14139 public void replacePreferredActivity(IntentFilter filter, int match, 14140 ComponentName[] set, ComponentName activity, int userId) { 14141 if (filter.countActions() != 1) { 14142 throw new IllegalArgumentException( 14143 "replacePreferredActivity expects filter to have only 1 action."); 14144 } 14145 if (filter.countDataAuthorities() != 0 14146 || filter.countDataPaths() != 0 14147 || filter.countDataSchemes() > 1 14148 || filter.countDataTypes() != 0) { 14149 throw new IllegalArgumentException( 14150 "replacePreferredActivity expects filter to have no data authorities, " + 14151 "paths, or types; and at most one scheme."); 14152 } 14153 14154 final int callingUid = Binder.getCallingUid(); 14155 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 14156 synchronized (mPackages) { 14157 if (mContext.checkCallingOrSelfPermission( 14158 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14159 != PackageManager.PERMISSION_GRANTED) { 14160 if (getUidTargetSdkVersionLockedLPr(callingUid) 14161 < Build.VERSION_CODES.FROYO) { 14162 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 14163 + Binder.getCallingUid()); 14164 return; 14165 } 14166 mContext.enforceCallingOrSelfPermission( 14167 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14168 } 14169 14170 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14171 if (pir != null) { 14172 // Get all of the existing entries that exactly match this filter. 14173 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 14174 if (existing != null && existing.size() == 1) { 14175 PreferredActivity cur = existing.get(0); 14176 if (DEBUG_PREFERRED) { 14177 Slog.i(TAG, "Checking replace of preferred:"); 14178 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14179 if (!cur.mPref.mAlways) { 14180 Slog.i(TAG, " -- CUR; not mAlways!"); 14181 } else { 14182 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 14183 Slog.i(TAG, " -- CUR: mSet=" 14184 + Arrays.toString(cur.mPref.mSetComponents)); 14185 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 14186 Slog.i(TAG, " -- NEW: mMatch=" 14187 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 14188 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 14189 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 14190 } 14191 } 14192 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 14193 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 14194 && cur.mPref.sameSet(set)) { 14195 // Setting the preferred activity to what it happens to be already 14196 if (DEBUG_PREFERRED) { 14197 Slog.i(TAG, "Replacing with same preferred activity " 14198 + cur.mPref.mShortComponent + " for user " 14199 + userId + ":"); 14200 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14201 } 14202 return; 14203 } 14204 } 14205 14206 if (existing != null) { 14207 if (DEBUG_PREFERRED) { 14208 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 14209 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14210 } 14211 for (int i = 0; i < existing.size(); i++) { 14212 PreferredActivity pa = existing.get(i); 14213 if (DEBUG_PREFERRED) { 14214 Slog.i(TAG, "Removing existing preferred activity " 14215 + pa.mPref.mComponent + ":"); 14216 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 14217 } 14218 pir.removeFilter(pa); 14219 } 14220 } 14221 } 14222 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14223 "Replacing preferred"); 14224 } 14225 } 14226 14227 @Override 14228 public void clearPackagePreferredActivities(String packageName) { 14229 final int uid = Binder.getCallingUid(); 14230 // writer 14231 synchronized (mPackages) { 14232 PackageParser.Package pkg = mPackages.get(packageName); 14233 if (pkg == null || pkg.applicationInfo.uid != uid) { 14234 if (mContext.checkCallingOrSelfPermission( 14235 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14236 != PackageManager.PERMISSION_GRANTED) { 14237 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 14238 < Build.VERSION_CODES.FROYO) { 14239 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 14240 + Binder.getCallingUid()); 14241 return; 14242 } 14243 mContext.enforceCallingOrSelfPermission( 14244 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14245 } 14246 } 14247 14248 int user = UserHandle.getCallingUserId(); 14249 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 14250 scheduleWritePackageRestrictionsLocked(user); 14251 } 14252 } 14253 } 14254 14255 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14256 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 14257 ArrayList<PreferredActivity> removed = null; 14258 boolean changed = false; 14259 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14260 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 14261 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14262 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 14263 continue; 14264 } 14265 Iterator<PreferredActivity> it = pir.filterIterator(); 14266 while (it.hasNext()) { 14267 PreferredActivity pa = it.next(); 14268 // Mark entry for removal only if it matches the package name 14269 // and the entry is of type "always". 14270 if (packageName == null || 14271 (pa.mPref.mComponent.getPackageName().equals(packageName) 14272 && pa.mPref.mAlways)) { 14273 if (removed == null) { 14274 removed = new ArrayList<PreferredActivity>(); 14275 } 14276 removed.add(pa); 14277 } 14278 } 14279 if (removed != null) { 14280 for (int j=0; j<removed.size(); j++) { 14281 PreferredActivity pa = removed.get(j); 14282 pir.removeFilter(pa); 14283 } 14284 changed = true; 14285 } 14286 } 14287 return changed; 14288 } 14289 14290 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14291 private void clearIntentFilterVerificationsLPw(int userId) { 14292 final int packageCount = mPackages.size(); 14293 for (int i = 0; i < packageCount; i++) { 14294 PackageParser.Package pkg = mPackages.valueAt(i); 14295 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 14296 } 14297 } 14298 14299 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14300 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 14301 if (userId == UserHandle.USER_ALL) { 14302 if (mSettings.removeIntentFilterVerificationLPw(packageName, 14303 sUserManager.getUserIds())) { 14304 for (int oneUserId : sUserManager.getUserIds()) { 14305 scheduleWritePackageRestrictionsLocked(oneUserId); 14306 } 14307 } 14308 } else { 14309 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 14310 scheduleWritePackageRestrictionsLocked(userId); 14311 } 14312 } 14313 } 14314 14315 void clearDefaultBrowserIfNeeded(String packageName) { 14316 for (int oneUserId : sUserManager.getUserIds()) { 14317 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 14318 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 14319 if (packageName.equals(defaultBrowserPackageName)) { 14320 setDefaultBrowserPackageName(null, oneUserId); 14321 } 14322 } 14323 } 14324 14325 @Override 14326 public void resetApplicationPreferences(int userId) { 14327 mContext.enforceCallingOrSelfPermission( 14328 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14329 // writer 14330 synchronized (mPackages) { 14331 final long identity = Binder.clearCallingIdentity(); 14332 try { 14333 clearPackagePreferredActivitiesLPw(null, userId); 14334 mSettings.applyDefaultPreferredAppsLPw(this, userId); 14335 // TODO: We have to reset the default SMS and Phone. This requires 14336 // significant refactoring to keep all default apps in the package 14337 // manager (cleaner but more work) or have the services provide 14338 // callbacks to the package manager to request a default app reset. 14339 applyFactoryDefaultBrowserLPw(userId); 14340 clearIntentFilterVerificationsLPw(userId); 14341 primeDomainVerificationsLPw(userId); 14342 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 14343 scheduleWritePackageRestrictionsLocked(userId); 14344 } finally { 14345 Binder.restoreCallingIdentity(identity); 14346 } 14347 } 14348 } 14349 14350 @Override 14351 public int getPreferredActivities(List<IntentFilter> outFilters, 14352 List<ComponentName> outActivities, String packageName) { 14353 14354 int num = 0; 14355 final int userId = UserHandle.getCallingUserId(); 14356 // reader 14357 synchronized (mPackages) { 14358 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14359 if (pir != null) { 14360 final Iterator<PreferredActivity> it = pir.filterIterator(); 14361 while (it.hasNext()) { 14362 final PreferredActivity pa = it.next(); 14363 if (packageName == null 14364 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14365 && pa.mPref.mAlways)) { 14366 if (outFilters != null) { 14367 outFilters.add(new IntentFilter(pa)); 14368 } 14369 if (outActivities != null) { 14370 outActivities.add(pa.mPref.mComponent); 14371 } 14372 } 14373 } 14374 } 14375 } 14376 14377 return num; 14378 } 14379 14380 @Override 14381 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14382 int userId) { 14383 int callingUid = Binder.getCallingUid(); 14384 if (callingUid != Process.SYSTEM_UID) { 14385 throw new SecurityException( 14386 "addPersistentPreferredActivity can only be run by the system"); 14387 } 14388 if (filter.countActions() == 0) { 14389 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14390 return; 14391 } 14392 synchronized (mPackages) { 14393 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14394 " :"); 14395 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14396 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14397 new PersistentPreferredActivity(filter, activity)); 14398 scheduleWritePackageRestrictionsLocked(userId); 14399 } 14400 } 14401 14402 @Override 14403 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14404 int callingUid = Binder.getCallingUid(); 14405 if (callingUid != Process.SYSTEM_UID) { 14406 throw new SecurityException( 14407 "clearPackagePersistentPreferredActivities can only be run by the system"); 14408 } 14409 ArrayList<PersistentPreferredActivity> removed = null; 14410 boolean changed = false; 14411 synchronized (mPackages) { 14412 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14413 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14414 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14415 .valueAt(i); 14416 if (userId != thisUserId) { 14417 continue; 14418 } 14419 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14420 while (it.hasNext()) { 14421 PersistentPreferredActivity ppa = it.next(); 14422 // Mark entry for removal only if it matches the package name. 14423 if (ppa.mComponent.getPackageName().equals(packageName)) { 14424 if (removed == null) { 14425 removed = new ArrayList<PersistentPreferredActivity>(); 14426 } 14427 removed.add(ppa); 14428 } 14429 } 14430 if (removed != null) { 14431 for (int j=0; j<removed.size(); j++) { 14432 PersistentPreferredActivity ppa = removed.get(j); 14433 ppir.removeFilter(ppa); 14434 } 14435 changed = true; 14436 } 14437 } 14438 14439 if (changed) { 14440 scheduleWritePackageRestrictionsLocked(userId); 14441 } 14442 } 14443 } 14444 14445 /** 14446 * Common machinery for picking apart a restored XML blob and passing 14447 * it to a caller-supplied functor to be applied to the running system. 14448 */ 14449 private void restoreFromXml(XmlPullParser parser, int userId, 14450 String expectedStartTag, BlobXmlRestorer functor) 14451 throws IOException, XmlPullParserException { 14452 int type; 14453 while ((type = parser.next()) != XmlPullParser.START_TAG 14454 && type != XmlPullParser.END_DOCUMENT) { 14455 } 14456 if (type != XmlPullParser.START_TAG) { 14457 // oops didn't find a start tag?! 14458 if (DEBUG_BACKUP) { 14459 Slog.e(TAG, "Didn't find start tag during restore"); 14460 } 14461 return; 14462 } 14463 14464 // this is supposed to be TAG_PREFERRED_BACKUP 14465 if (!expectedStartTag.equals(parser.getName())) { 14466 if (DEBUG_BACKUP) { 14467 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14468 } 14469 return; 14470 } 14471 14472 // skip interfering stuff, then we're aligned with the backing implementation 14473 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14474 functor.apply(parser, userId); 14475 } 14476 14477 private interface BlobXmlRestorer { 14478 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14479 } 14480 14481 /** 14482 * Non-Binder method, support for the backup/restore mechanism: write the 14483 * full set of preferred activities in its canonical XML format. Returns the 14484 * XML output as a byte array, or null if there is none. 14485 */ 14486 @Override 14487 public byte[] getPreferredActivityBackup(int userId) { 14488 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14489 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14490 } 14491 14492 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14493 try { 14494 final XmlSerializer serializer = new FastXmlSerializer(); 14495 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14496 serializer.startDocument(null, true); 14497 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14498 14499 synchronized (mPackages) { 14500 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14501 } 14502 14503 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14504 serializer.endDocument(); 14505 serializer.flush(); 14506 } catch (Exception e) { 14507 if (DEBUG_BACKUP) { 14508 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14509 } 14510 return null; 14511 } 14512 14513 return dataStream.toByteArray(); 14514 } 14515 14516 @Override 14517 public void restorePreferredActivities(byte[] backup, int userId) { 14518 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14519 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14520 } 14521 14522 try { 14523 final XmlPullParser parser = Xml.newPullParser(); 14524 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14525 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14526 new BlobXmlRestorer() { 14527 @Override 14528 public void apply(XmlPullParser parser, int userId) 14529 throws XmlPullParserException, IOException { 14530 synchronized (mPackages) { 14531 mSettings.readPreferredActivitiesLPw(parser, userId); 14532 } 14533 } 14534 } ); 14535 } catch (Exception e) { 14536 if (DEBUG_BACKUP) { 14537 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14538 } 14539 } 14540 } 14541 14542 /** 14543 * Non-Binder method, support for the backup/restore mechanism: write the 14544 * default browser (etc) settings in its canonical XML format. Returns the default 14545 * browser XML representation as a byte array, or null if there is none. 14546 */ 14547 @Override 14548 public byte[] getDefaultAppsBackup(int userId) { 14549 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14550 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14551 } 14552 14553 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14554 try { 14555 final XmlSerializer serializer = new FastXmlSerializer(); 14556 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14557 serializer.startDocument(null, true); 14558 serializer.startTag(null, TAG_DEFAULT_APPS); 14559 14560 synchronized (mPackages) { 14561 mSettings.writeDefaultAppsLPr(serializer, userId); 14562 } 14563 14564 serializer.endTag(null, TAG_DEFAULT_APPS); 14565 serializer.endDocument(); 14566 serializer.flush(); 14567 } catch (Exception e) { 14568 if (DEBUG_BACKUP) { 14569 Slog.e(TAG, "Unable to write default apps for backup", e); 14570 } 14571 return null; 14572 } 14573 14574 return dataStream.toByteArray(); 14575 } 14576 14577 @Override 14578 public void restoreDefaultApps(byte[] backup, int userId) { 14579 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14580 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14581 } 14582 14583 try { 14584 final XmlPullParser parser = Xml.newPullParser(); 14585 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14586 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14587 new BlobXmlRestorer() { 14588 @Override 14589 public void apply(XmlPullParser parser, int userId) 14590 throws XmlPullParserException, IOException { 14591 synchronized (mPackages) { 14592 mSettings.readDefaultAppsLPw(parser, userId); 14593 } 14594 } 14595 } ); 14596 } catch (Exception e) { 14597 if (DEBUG_BACKUP) { 14598 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14599 } 14600 } 14601 } 14602 14603 @Override 14604 public byte[] getIntentFilterVerificationBackup(int userId) { 14605 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14606 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14607 } 14608 14609 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14610 try { 14611 final XmlSerializer serializer = new FastXmlSerializer(); 14612 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14613 serializer.startDocument(null, true); 14614 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14615 14616 synchronized (mPackages) { 14617 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14618 } 14619 14620 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14621 serializer.endDocument(); 14622 serializer.flush(); 14623 } catch (Exception e) { 14624 if (DEBUG_BACKUP) { 14625 Slog.e(TAG, "Unable to write default apps for backup", e); 14626 } 14627 return null; 14628 } 14629 14630 return dataStream.toByteArray(); 14631 } 14632 14633 @Override 14634 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14635 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14636 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14637 } 14638 14639 try { 14640 final XmlPullParser parser = Xml.newPullParser(); 14641 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14642 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14643 new BlobXmlRestorer() { 14644 @Override 14645 public void apply(XmlPullParser parser, int userId) 14646 throws XmlPullParserException, IOException { 14647 synchronized (mPackages) { 14648 mSettings.readAllDomainVerificationsLPr(parser, userId); 14649 mSettings.writeLPr(); 14650 } 14651 } 14652 } ); 14653 } catch (Exception e) { 14654 if (DEBUG_BACKUP) { 14655 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14656 } 14657 } 14658 } 14659 14660 @Override 14661 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14662 int sourceUserId, int targetUserId, int flags) { 14663 mContext.enforceCallingOrSelfPermission( 14664 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14665 int callingUid = Binder.getCallingUid(); 14666 enforceOwnerRights(ownerPackage, callingUid); 14667 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14668 if (intentFilter.countActions() == 0) { 14669 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14670 return; 14671 } 14672 synchronized (mPackages) { 14673 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14674 ownerPackage, targetUserId, flags); 14675 CrossProfileIntentResolver resolver = 14676 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14677 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14678 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14679 if (existing != null) { 14680 int size = existing.size(); 14681 for (int i = 0; i < size; i++) { 14682 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14683 return; 14684 } 14685 } 14686 } 14687 resolver.addFilter(newFilter); 14688 scheduleWritePackageRestrictionsLocked(sourceUserId); 14689 } 14690 } 14691 14692 @Override 14693 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14694 mContext.enforceCallingOrSelfPermission( 14695 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14696 int callingUid = Binder.getCallingUid(); 14697 enforceOwnerRights(ownerPackage, callingUid); 14698 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14699 synchronized (mPackages) { 14700 CrossProfileIntentResolver resolver = 14701 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14702 ArraySet<CrossProfileIntentFilter> set = 14703 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14704 for (CrossProfileIntentFilter filter : set) { 14705 if (filter.getOwnerPackage().equals(ownerPackage)) { 14706 resolver.removeFilter(filter); 14707 } 14708 } 14709 scheduleWritePackageRestrictionsLocked(sourceUserId); 14710 } 14711 } 14712 14713 // Enforcing that callingUid is owning pkg on userId 14714 private void enforceOwnerRights(String pkg, int callingUid) { 14715 // The system owns everything. 14716 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14717 return; 14718 } 14719 int callingUserId = UserHandle.getUserId(callingUid); 14720 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14721 if (pi == null) { 14722 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14723 + callingUserId); 14724 } 14725 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14726 throw new SecurityException("Calling uid " + callingUid 14727 + " does not own package " + pkg); 14728 } 14729 } 14730 14731 @Override 14732 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14733 Intent intent = new Intent(Intent.ACTION_MAIN); 14734 intent.addCategory(Intent.CATEGORY_HOME); 14735 14736 final int callingUserId = UserHandle.getCallingUserId(); 14737 List<ResolveInfo> list = queryIntentActivities(intent, null, 14738 PackageManager.GET_META_DATA, callingUserId); 14739 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14740 true, false, false, callingUserId); 14741 14742 allHomeCandidates.clear(); 14743 if (list != null) { 14744 for (ResolveInfo ri : list) { 14745 allHomeCandidates.add(ri); 14746 } 14747 } 14748 return (preferred == null || preferred.activityInfo == null) 14749 ? null 14750 : new ComponentName(preferred.activityInfo.packageName, 14751 preferred.activityInfo.name); 14752 } 14753 14754 @Override 14755 public void setApplicationEnabledSetting(String appPackageName, 14756 int newState, int flags, int userId, String callingPackage) { 14757 if (!sUserManager.exists(userId)) return; 14758 if (callingPackage == null) { 14759 callingPackage = Integer.toString(Binder.getCallingUid()); 14760 } 14761 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14762 } 14763 14764 @Override 14765 public void setComponentEnabledSetting(ComponentName componentName, 14766 int newState, int flags, int userId) { 14767 if (!sUserManager.exists(userId)) return; 14768 setEnabledSetting(componentName.getPackageName(), 14769 componentName.getClassName(), newState, flags, userId, null); 14770 } 14771 14772 private void setEnabledSetting(final String packageName, String className, int newState, 14773 final int flags, int userId, String callingPackage) { 14774 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 14775 || newState == COMPONENT_ENABLED_STATE_ENABLED 14776 || newState == COMPONENT_ENABLED_STATE_DISABLED 14777 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 14778 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 14779 throw new IllegalArgumentException("Invalid new component state: " 14780 + newState); 14781 } 14782 PackageSetting pkgSetting; 14783 final int uid = Binder.getCallingUid(); 14784 final int permission = mContext.checkCallingOrSelfPermission( 14785 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14786 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 14787 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14788 boolean sendNow = false; 14789 boolean isApp = (className == null); 14790 String componentName = isApp ? packageName : className; 14791 int packageUid = -1; 14792 ArrayList<String> components; 14793 14794 // writer 14795 synchronized (mPackages) { 14796 pkgSetting = mSettings.mPackages.get(packageName); 14797 if (pkgSetting == null) { 14798 if (className == null) { 14799 throw new IllegalArgumentException( 14800 "Unknown package: " + packageName); 14801 } 14802 throw new IllegalArgumentException( 14803 "Unknown component: " + packageName 14804 + "/" + className); 14805 } 14806 // Allow root and verify that userId is not being specified by a different user 14807 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 14808 throw new SecurityException( 14809 "Permission Denial: attempt to change component state from pid=" 14810 + Binder.getCallingPid() 14811 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 14812 } 14813 if (className == null) { 14814 // We're dealing with an application/package level state change 14815 if (pkgSetting.getEnabled(userId) == newState) { 14816 // Nothing to do 14817 return; 14818 } 14819 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 14820 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 14821 // Don't care about who enables an app. 14822 callingPackage = null; 14823 } 14824 pkgSetting.setEnabled(newState, userId, callingPackage); 14825 // pkgSetting.pkg.mSetEnabled = newState; 14826 } else { 14827 // We're dealing with a component level state change 14828 // First, verify that this is a valid class name. 14829 PackageParser.Package pkg = pkgSetting.pkg; 14830 if (pkg == null || !pkg.hasComponentClassName(className)) { 14831 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 14832 throw new IllegalArgumentException("Component class " + className 14833 + " does not exist in " + packageName); 14834 } else { 14835 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 14836 + className + " does not exist in " + packageName); 14837 } 14838 } 14839 switch (newState) { 14840 case COMPONENT_ENABLED_STATE_ENABLED: 14841 if (!pkgSetting.enableComponentLPw(className, userId)) { 14842 return; 14843 } 14844 break; 14845 case COMPONENT_ENABLED_STATE_DISABLED: 14846 if (!pkgSetting.disableComponentLPw(className, userId)) { 14847 return; 14848 } 14849 break; 14850 case COMPONENT_ENABLED_STATE_DEFAULT: 14851 if (!pkgSetting.restoreComponentLPw(className, userId)) { 14852 return; 14853 } 14854 break; 14855 default: 14856 Slog.e(TAG, "Invalid new component state: " + newState); 14857 return; 14858 } 14859 } 14860 scheduleWritePackageRestrictionsLocked(userId); 14861 components = mPendingBroadcasts.get(userId, packageName); 14862 final boolean newPackage = components == null; 14863 if (newPackage) { 14864 components = new ArrayList<String>(); 14865 } 14866 if (!components.contains(componentName)) { 14867 components.add(componentName); 14868 } 14869 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 14870 sendNow = true; 14871 // Purge entry from pending broadcast list if another one exists already 14872 // since we are sending one right away. 14873 mPendingBroadcasts.remove(userId, packageName); 14874 } else { 14875 if (newPackage) { 14876 mPendingBroadcasts.put(userId, packageName, components); 14877 } 14878 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 14879 // Schedule a message 14880 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 14881 } 14882 } 14883 } 14884 14885 long callingId = Binder.clearCallingIdentity(); 14886 try { 14887 if (sendNow) { 14888 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 14889 sendPackageChangedBroadcast(packageName, 14890 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 14891 } 14892 } finally { 14893 Binder.restoreCallingIdentity(callingId); 14894 } 14895 } 14896 14897 private void sendPackageChangedBroadcast(String packageName, 14898 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 14899 if (DEBUG_INSTALL) 14900 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 14901 + componentNames); 14902 Bundle extras = new Bundle(4); 14903 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 14904 String nameList[] = new String[componentNames.size()]; 14905 componentNames.toArray(nameList); 14906 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 14907 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 14908 extras.putInt(Intent.EXTRA_UID, packageUid); 14909 // If this is not reporting a change of the overall package, then only send it 14910 // to registered receivers. We don't want to launch a swath of apps for every 14911 // little component state change. 14912 final int flags = !componentNames.contains(packageName) 14913 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 14914 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 14915 new int[] {UserHandle.getUserId(packageUid)}); 14916 } 14917 14918 @Override 14919 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 14920 if (!sUserManager.exists(userId)) return; 14921 final int uid = Binder.getCallingUid(); 14922 final int permission = mContext.checkCallingOrSelfPermission( 14923 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14924 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14925 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 14926 // writer 14927 synchronized (mPackages) { 14928 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 14929 allowedByPermission, uid, userId)) { 14930 scheduleWritePackageRestrictionsLocked(userId); 14931 } 14932 } 14933 } 14934 14935 @Override 14936 public String getInstallerPackageName(String packageName) { 14937 // reader 14938 synchronized (mPackages) { 14939 return mSettings.getInstallerPackageNameLPr(packageName); 14940 } 14941 } 14942 14943 @Override 14944 public int getApplicationEnabledSetting(String packageName, int userId) { 14945 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14946 int uid = Binder.getCallingUid(); 14947 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 14948 // reader 14949 synchronized (mPackages) { 14950 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 14951 } 14952 } 14953 14954 @Override 14955 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 14956 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14957 int uid = Binder.getCallingUid(); 14958 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 14959 // reader 14960 synchronized (mPackages) { 14961 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 14962 } 14963 } 14964 14965 @Override 14966 public void enterSafeMode() { 14967 enforceSystemOrRoot("Only the system can request entering safe mode"); 14968 14969 if (!mSystemReady) { 14970 mSafeMode = true; 14971 } 14972 } 14973 14974 @Override 14975 public void systemReady() { 14976 mSystemReady = true; 14977 14978 // Read the compatibilty setting when the system is ready. 14979 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 14980 mContext.getContentResolver(), 14981 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 14982 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 14983 if (DEBUG_SETTINGS) { 14984 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 14985 } 14986 14987 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 14988 14989 synchronized (mPackages) { 14990 // Verify that all of the preferred activity components actually 14991 // exist. It is possible for applications to be updated and at 14992 // that point remove a previously declared activity component that 14993 // had been set as a preferred activity. We try to clean this up 14994 // the next time we encounter that preferred activity, but it is 14995 // possible for the user flow to never be able to return to that 14996 // situation so here we do a sanity check to make sure we haven't 14997 // left any junk around. 14998 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 14999 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15000 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15001 removed.clear(); 15002 for (PreferredActivity pa : pir.filterSet()) { 15003 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 15004 removed.add(pa); 15005 } 15006 } 15007 if (removed.size() > 0) { 15008 for (int r=0; r<removed.size(); r++) { 15009 PreferredActivity pa = removed.get(r); 15010 Slog.w(TAG, "Removing dangling preferred activity: " 15011 + pa.mPref.mComponent); 15012 pir.removeFilter(pa); 15013 } 15014 mSettings.writePackageRestrictionsLPr( 15015 mSettings.mPreferredActivities.keyAt(i)); 15016 } 15017 } 15018 15019 for (int userId : UserManagerService.getInstance().getUserIds()) { 15020 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 15021 grantPermissionsUserIds = ArrayUtils.appendInt( 15022 grantPermissionsUserIds, userId); 15023 } 15024 } 15025 } 15026 sUserManager.systemReady(); 15027 15028 // If we upgraded grant all default permissions before kicking off. 15029 for (int userId : grantPermissionsUserIds) { 15030 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 15031 } 15032 15033 // Kick off any messages waiting for system ready 15034 if (mPostSystemReadyMessages != null) { 15035 for (Message msg : mPostSystemReadyMessages) { 15036 msg.sendToTarget(); 15037 } 15038 mPostSystemReadyMessages = null; 15039 } 15040 15041 // Watch for external volumes that come and go over time 15042 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15043 storage.registerListener(mStorageListener); 15044 15045 mInstallerService.systemReady(); 15046 mPackageDexOptimizer.systemReady(); 15047 15048 MountServiceInternal mountServiceInternal = LocalServices.getService( 15049 MountServiceInternal.class); 15050 mountServiceInternal.addExternalStoragePolicy( 15051 new MountServiceInternal.ExternalStorageMountPolicy() { 15052 @Override 15053 public int getMountMode(int uid, String packageName) { 15054 if (Process.isIsolated(uid)) { 15055 return Zygote.MOUNT_EXTERNAL_NONE; 15056 } 15057 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 15058 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15059 } 15060 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15061 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15062 } 15063 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15064 return Zygote.MOUNT_EXTERNAL_READ; 15065 } 15066 return Zygote.MOUNT_EXTERNAL_WRITE; 15067 } 15068 15069 @Override 15070 public boolean hasExternalStorage(int uid, String packageName) { 15071 return true; 15072 } 15073 }); 15074 } 15075 15076 @Override 15077 public boolean isSafeMode() { 15078 return mSafeMode; 15079 } 15080 15081 @Override 15082 public boolean hasSystemUidErrors() { 15083 return mHasSystemUidErrors; 15084 } 15085 15086 static String arrayToString(int[] array) { 15087 StringBuffer buf = new StringBuffer(128); 15088 buf.append('['); 15089 if (array != null) { 15090 for (int i=0; i<array.length; i++) { 15091 if (i > 0) buf.append(", "); 15092 buf.append(array[i]); 15093 } 15094 } 15095 buf.append(']'); 15096 return buf.toString(); 15097 } 15098 15099 static class DumpState { 15100 public static final int DUMP_LIBS = 1 << 0; 15101 public static final int DUMP_FEATURES = 1 << 1; 15102 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 15103 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 15104 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 15105 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 15106 public static final int DUMP_PERMISSIONS = 1 << 6; 15107 public static final int DUMP_PACKAGES = 1 << 7; 15108 public static final int DUMP_SHARED_USERS = 1 << 8; 15109 public static final int DUMP_MESSAGES = 1 << 9; 15110 public static final int DUMP_PROVIDERS = 1 << 10; 15111 public static final int DUMP_VERIFIERS = 1 << 11; 15112 public static final int DUMP_PREFERRED = 1 << 12; 15113 public static final int DUMP_PREFERRED_XML = 1 << 13; 15114 public static final int DUMP_KEYSETS = 1 << 14; 15115 public static final int DUMP_VERSION = 1 << 15; 15116 public static final int DUMP_INSTALLS = 1 << 16; 15117 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 15118 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 15119 15120 public static final int OPTION_SHOW_FILTERS = 1 << 0; 15121 15122 private int mTypes; 15123 15124 private int mOptions; 15125 15126 private boolean mTitlePrinted; 15127 15128 private SharedUserSetting mSharedUser; 15129 15130 public boolean isDumping(int type) { 15131 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 15132 return true; 15133 } 15134 15135 return (mTypes & type) != 0; 15136 } 15137 15138 public void setDump(int type) { 15139 mTypes |= type; 15140 } 15141 15142 public boolean isOptionEnabled(int option) { 15143 return (mOptions & option) != 0; 15144 } 15145 15146 public void setOptionEnabled(int option) { 15147 mOptions |= option; 15148 } 15149 15150 public boolean onTitlePrinted() { 15151 final boolean printed = mTitlePrinted; 15152 mTitlePrinted = true; 15153 return printed; 15154 } 15155 15156 public boolean getTitlePrinted() { 15157 return mTitlePrinted; 15158 } 15159 15160 public void setTitlePrinted(boolean enabled) { 15161 mTitlePrinted = enabled; 15162 } 15163 15164 public SharedUserSetting getSharedUser() { 15165 return mSharedUser; 15166 } 15167 15168 public void setSharedUser(SharedUserSetting user) { 15169 mSharedUser = user; 15170 } 15171 } 15172 15173 @Override 15174 public void onShellCommand(FileDescriptor in, FileDescriptor out, 15175 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 15176 (new PackageManagerShellCommand(this)).exec( 15177 this, in, out, err, args, resultReceiver); 15178 } 15179 15180 @Override 15181 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 15182 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 15183 != PackageManager.PERMISSION_GRANTED) { 15184 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 15185 + Binder.getCallingPid() 15186 + ", uid=" + Binder.getCallingUid() 15187 + " without permission " 15188 + android.Manifest.permission.DUMP); 15189 return; 15190 } 15191 15192 DumpState dumpState = new DumpState(); 15193 boolean fullPreferred = false; 15194 boolean checkin = false; 15195 15196 String packageName = null; 15197 ArraySet<String> permissionNames = null; 15198 15199 int opti = 0; 15200 while (opti < args.length) { 15201 String opt = args[opti]; 15202 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 15203 break; 15204 } 15205 opti++; 15206 15207 if ("-a".equals(opt)) { 15208 // Right now we only know how to print all. 15209 } else if ("-h".equals(opt)) { 15210 pw.println("Package manager dump options:"); 15211 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 15212 pw.println(" --checkin: dump for a checkin"); 15213 pw.println(" -f: print details of intent filters"); 15214 pw.println(" -h: print this help"); 15215 pw.println(" cmd may be one of:"); 15216 pw.println(" l[ibraries]: list known shared libraries"); 15217 pw.println(" f[eatures]: list device features"); 15218 pw.println(" k[eysets]: print known keysets"); 15219 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 15220 pw.println(" perm[issions]: dump permissions"); 15221 pw.println(" permission [name ...]: dump declaration and use of given permission"); 15222 pw.println(" pref[erred]: print preferred package settings"); 15223 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 15224 pw.println(" prov[iders]: dump content providers"); 15225 pw.println(" p[ackages]: dump installed packages"); 15226 pw.println(" s[hared-users]: dump shared user IDs"); 15227 pw.println(" m[essages]: print collected runtime messages"); 15228 pw.println(" v[erifiers]: print package verifier info"); 15229 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 15230 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 15231 pw.println(" version: print database version info"); 15232 pw.println(" write: write current settings now"); 15233 pw.println(" installs: details about install sessions"); 15234 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 15235 pw.println(" <package.name>: info about given package"); 15236 return; 15237 } else if ("--checkin".equals(opt)) { 15238 checkin = true; 15239 } else if ("-f".equals(opt)) { 15240 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15241 } else { 15242 pw.println("Unknown argument: " + opt + "; use -h for help"); 15243 } 15244 } 15245 15246 // Is the caller requesting to dump a particular piece of data? 15247 if (opti < args.length) { 15248 String cmd = args[opti]; 15249 opti++; 15250 // Is this a package name? 15251 if ("android".equals(cmd) || cmd.contains(".")) { 15252 packageName = cmd; 15253 // When dumping a single package, we always dump all of its 15254 // filter information since the amount of data will be reasonable. 15255 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15256 } else if ("check-permission".equals(cmd)) { 15257 if (opti >= args.length) { 15258 pw.println("Error: check-permission missing permission argument"); 15259 return; 15260 } 15261 String perm = args[opti]; 15262 opti++; 15263 if (opti >= args.length) { 15264 pw.println("Error: check-permission missing package argument"); 15265 return; 15266 } 15267 String pkg = args[opti]; 15268 opti++; 15269 int user = UserHandle.getUserId(Binder.getCallingUid()); 15270 if (opti < args.length) { 15271 try { 15272 user = Integer.parseInt(args[opti]); 15273 } catch (NumberFormatException e) { 15274 pw.println("Error: check-permission user argument is not a number: " 15275 + args[opti]); 15276 return; 15277 } 15278 } 15279 pw.println(checkPermission(perm, pkg, user)); 15280 return; 15281 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 15282 dumpState.setDump(DumpState.DUMP_LIBS); 15283 } else if ("f".equals(cmd) || "features".equals(cmd)) { 15284 dumpState.setDump(DumpState.DUMP_FEATURES); 15285 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 15286 if (opti >= args.length) { 15287 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 15288 | DumpState.DUMP_SERVICE_RESOLVERS 15289 | DumpState.DUMP_RECEIVER_RESOLVERS 15290 | DumpState.DUMP_CONTENT_RESOLVERS); 15291 } else { 15292 while (opti < args.length) { 15293 String name = args[opti]; 15294 if ("a".equals(name) || "activity".equals(name)) { 15295 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 15296 } else if ("s".equals(name) || "service".equals(name)) { 15297 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 15298 } else if ("r".equals(name) || "receiver".equals(name)) { 15299 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 15300 } else if ("c".equals(name) || "content".equals(name)) { 15301 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 15302 } else { 15303 pw.println("Error: unknown resolver table type: " + name); 15304 return; 15305 } 15306 opti++; 15307 } 15308 } 15309 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 15310 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 15311 } else if ("permission".equals(cmd)) { 15312 if (opti >= args.length) { 15313 pw.println("Error: permission requires permission name"); 15314 return; 15315 } 15316 permissionNames = new ArraySet<>(); 15317 while (opti < args.length) { 15318 permissionNames.add(args[opti]); 15319 opti++; 15320 } 15321 dumpState.setDump(DumpState.DUMP_PERMISSIONS 15322 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 15323 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 15324 dumpState.setDump(DumpState.DUMP_PREFERRED); 15325 } else if ("preferred-xml".equals(cmd)) { 15326 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 15327 if (opti < args.length && "--full".equals(args[opti])) { 15328 fullPreferred = true; 15329 opti++; 15330 } 15331 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 15332 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 15333 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 15334 dumpState.setDump(DumpState.DUMP_PACKAGES); 15335 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 15336 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 15337 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 15338 dumpState.setDump(DumpState.DUMP_PROVIDERS); 15339 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 15340 dumpState.setDump(DumpState.DUMP_MESSAGES); 15341 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 15342 dumpState.setDump(DumpState.DUMP_VERIFIERS); 15343 } else if ("i".equals(cmd) || "ifv".equals(cmd) 15344 || "intent-filter-verifiers".equals(cmd)) { 15345 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 15346 } else if ("version".equals(cmd)) { 15347 dumpState.setDump(DumpState.DUMP_VERSION); 15348 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 15349 dumpState.setDump(DumpState.DUMP_KEYSETS); 15350 } else if ("installs".equals(cmd)) { 15351 dumpState.setDump(DumpState.DUMP_INSTALLS); 15352 } else if ("write".equals(cmd)) { 15353 synchronized (mPackages) { 15354 mSettings.writeLPr(); 15355 pw.println("Settings written."); 15356 return; 15357 } 15358 } 15359 } 15360 15361 if (checkin) { 15362 pw.println("vers,1"); 15363 } 15364 15365 // reader 15366 synchronized (mPackages) { 15367 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 15368 if (!checkin) { 15369 if (dumpState.onTitlePrinted()) 15370 pw.println(); 15371 pw.println("Database versions:"); 15372 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 15373 } 15374 } 15375 15376 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 15377 if (!checkin) { 15378 if (dumpState.onTitlePrinted()) 15379 pw.println(); 15380 pw.println("Verifiers:"); 15381 pw.print(" Required: "); 15382 pw.print(mRequiredVerifierPackage); 15383 pw.print(" (uid="); 15384 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 15385 pw.println(")"); 15386 } else if (mRequiredVerifierPackage != null) { 15387 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 15388 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 15389 } 15390 } 15391 15392 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 15393 packageName == null) { 15394 if (mIntentFilterVerifierComponent != null) { 15395 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 15396 if (!checkin) { 15397 if (dumpState.onTitlePrinted()) 15398 pw.println(); 15399 pw.println("Intent Filter Verifier:"); 15400 pw.print(" Using: "); 15401 pw.print(verifierPackageName); 15402 pw.print(" (uid="); 15403 pw.print(getPackageUid(verifierPackageName, 0)); 15404 pw.println(")"); 15405 } else if (verifierPackageName != null) { 15406 pw.print("ifv,"); pw.print(verifierPackageName); 15407 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 15408 } 15409 } else { 15410 pw.println(); 15411 pw.println("No Intent Filter Verifier available!"); 15412 } 15413 } 15414 15415 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 15416 boolean printedHeader = false; 15417 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 15418 while (it.hasNext()) { 15419 String name = it.next(); 15420 SharedLibraryEntry ent = mSharedLibraries.get(name); 15421 if (!checkin) { 15422 if (!printedHeader) { 15423 if (dumpState.onTitlePrinted()) 15424 pw.println(); 15425 pw.println("Libraries:"); 15426 printedHeader = true; 15427 } 15428 pw.print(" "); 15429 } else { 15430 pw.print("lib,"); 15431 } 15432 pw.print(name); 15433 if (!checkin) { 15434 pw.print(" -> "); 15435 } 15436 if (ent.path != null) { 15437 if (!checkin) { 15438 pw.print("(jar) "); 15439 pw.print(ent.path); 15440 } else { 15441 pw.print(",jar,"); 15442 pw.print(ent.path); 15443 } 15444 } else { 15445 if (!checkin) { 15446 pw.print("(apk) "); 15447 pw.print(ent.apk); 15448 } else { 15449 pw.print(",apk,"); 15450 pw.print(ent.apk); 15451 } 15452 } 15453 pw.println(); 15454 } 15455 } 15456 15457 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15458 if (dumpState.onTitlePrinted()) 15459 pw.println(); 15460 if (!checkin) { 15461 pw.println("Features:"); 15462 } 15463 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15464 while (it.hasNext()) { 15465 String name = it.next(); 15466 if (!checkin) { 15467 pw.print(" "); 15468 } else { 15469 pw.print("feat,"); 15470 } 15471 pw.println(name); 15472 } 15473 } 15474 15475 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 15476 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15477 : "Activity Resolver Table:", " ", packageName, 15478 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15479 dumpState.setTitlePrinted(true); 15480 } 15481 } 15482 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 15483 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15484 : "Receiver Resolver Table:", " ", packageName, 15485 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15486 dumpState.setTitlePrinted(true); 15487 } 15488 } 15489 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 15490 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15491 : "Service Resolver Table:", " ", packageName, 15492 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15493 dumpState.setTitlePrinted(true); 15494 } 15495 } 15496 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 15497 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15498 : "Provider Resolver Table:", " ", packageName, 15499 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15500 dumpState.setTitlePrinted(true); 15501 } 15502 } 15503 15504 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15505 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15506 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15507 int user = mSettings.mPreferredActivities.keyAt(i); 15508 if (pir.dump(pw, 15509 dumpState.getTitlePrinted() 15510 ? "\nPreferred Activities User " + user + ":" 15511 : "Preferred Activities User " + user + ":", " ", 15512 packageName, true, false)) { 15513 dumpState.setTitlePrinted(true); 15514 } 15515 } 15516 } 15517 15518 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15519 pw.flush(); 15520 FileOutputStream fout = new FileOutputStream(fd); 15521 BufferedOutputStream str = new BufferedOutputStream(fout); 15522 XmlSerializer serializer = new FastXmlSerializer(); 15523 try { 15524 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15525 serializer.startDocument(null, true); 15526 serializer.setFeature( 15527 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15528 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15529 serializer.endDocument(); 15530 serializer.flush(); 15531 } catch (IllegalArgumentException e) { 15532 pw.println("Failed writing: " + e); 15533 } catch (IllegalStateException e) { 15534 pw.println("Failed writing: " + e); 15535 } catch (IOException e) { 15536 pw.println("Failed writing: " + e); 15537 } 15538 } 15539 15540 if (!checkin 15541 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15542 && packageName == null) { 15543 pw.println(); 15544 int count = mSettings.mPackages.size(); 15545 if (count == 0) { 15546 pw.println("No applications!"); 15547 pw.println(); 15548 } else { 15549 final String prefix = " "; 15550 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15551 if (allPackageSettings.size() == 0) { 15552 pw.println("No domain preferred apps!"); 15553 pw.println(); 15554 } else { 15555 pw.println("App verification status:"); 15556 pw.println(); 15557 count = 0; 15558 for (PackageSetting ps : allPackageSettings) { 15559 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15560 if (ivi == null || ivi.getPackageName() == null) continue; 15561 pw.println(prefix + "Package: " + ivi.getPackageName()); 15562 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15563 pw.println(prefix + "Status: " + ivi.getStatusString()); 15564 pw.println(); 15565 count++; 15566 } 15567 if (count == 0) { 15568 pw.println(prefix + "No app verification established."); 15569 pw.println(); 15570 } 15571 for (int userId : sUserManager.getUserIds()) { 15572 pw.println("App linkages for user " + userId + ":"); 15573 pw.println(); 15574 count = 0; 15575 for (PackageSetting ps : allPackageSettings) { 15576 final long status = ps.getDomainVerificationStatusForUser(userId); 15577 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15578 continue; 15579 } 15580 pw.println(prefix + "Package: " + ps.name); 15581 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15582 String statusStr = IntentFilterVerificationInfo. 15583 getStatusStringFromValue(status); 15584 pw.println(prefix + "Status: " + statusStr); 15585 pw.println(); 15586 count++; 15587 } 15588 if (count == 0) { 15589 pw.println(prefix + "No configured app linkages."); 15590 pw.println(); 15591 } 15592 } 15593 } 15594 } 15595 } 15596 15597 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15598 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15599 if (packageName == null && permissionNames == null) { 15600 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15601 if (iperm == 0) { 15602 if (dumpState.onTitlePrinted()) 15603 pw.println(); 15604 pw.println("AppOp Permissions:"); 15605 } 15606 pw.print(" AppOp Permission "); 15607 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15608 pw.println(":"); 15609 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15610 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15611 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15612 } 15613 } 15614 } 15615 } 15616 15617 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15618 boolean printedSomething = false; 15619 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15620 if (packageName != null && !packageName.equals(p.info.packageName)) { 15621 continue; 15622 } 15623 if (!printedSomething) { 15624 if (dumpState.onTitlePrinted()) 15625 pw.println(); 15626 pw.println("Registered ContentProviders:"); 15627 printedSomething = true; 15628 } 15629 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15630 pw.print(" "); pw.println(p.toString()); 15631 } 15632 printedSomething = false; 15633 for (Map.Entry<String, PackageParser.Provider> entry : 15634 mProvidersByAuthority.entrySet()) { 15635 PackageParser.Provider p = entry.getValue(); 15636 if (packageName != null && !packageName.equals(p.info.packageName)) { 15637 continue; 15638 } 15639 if (!printedSomething) { 15640 if (dumpState.onTitlePrinted()) 15641 pw.println(); 15642 pw.println("ContentProvider Authorities:"); 15643 printedSomething = true; 15644 } 15645 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15646 pw.print(" "); pw.println(p.toString()); 15647 if (p.info != null && p.info.applicationInfo != null) { 15648 final String appInfo = p.info.applicationInfo.toString(); 15649 pw.print(" applicationInfo="); pw.println(appInfo); 15650 } 15651 } 15652 } 15653 15654 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15655 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15656 } 15657 15658 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15659 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15660 } 15661 15662 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15663 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15664 } 15665 15666 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15667 // XXX should handle packageName != null by dumping only install data that 15668 // the given package is involved with. 15669 if (dumpState.onTitlePrinted()) pw.println(); 15670 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 15671 } 15672 15673 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 15674 if (dumpState.onTitlePrinted()) pw.println(); 15675 mSettings.dumpReadMessagesLPr(pw, dumpState); 15676 15677 pw.println(); 15678 pw.println("Package warning messages:"); 15679 BufferedReader in = null; 15680 String line = null; 15681 try { 15682 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15683 while ((line = in.readLine()) != null) { 15684 if (line.contains("ignored: updated version")) continue; 15685 pw.println(line); 15686 } 15687 } catch (IOException ignored) { 15688 } finally { 15689 IoUtils.closeQuietly(in); 15690 } 15691 } 15692 15693 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15694 BufferedReader in = null; 15695 String line = null; 15696 try { 15697 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15698 while ((line = in.readLine()) != null) { 15699 if (line.contains("ignored: updated version")) continue; 15700 pw.print("msg,"); 15701 pw.println(line); 15702 } 15703 } catch (IOException ignored) { 15704 } finally { 15705 IoUtils.closeQuietly(in); 15706 } 15707 } 15708 } 15709 } 15710 15711 private String dumpDomainString(String packageName) { 15712 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15713 List<IntentFilter> filters = getAllIntentFilters(packageName); 15714 15715 ArraySet<String> result = new ArraySet<>(); 15716 if (iviList.size() > 0) { 15717 for (IntentFilterVerificationInfo ivi : iviList) { 15718 for (String host : ivi.getDomains()) { 15719 result.add(host); 15720 } 15721 } 15722 } 15723 if (filters != null && filters.size() > 0) { 15724 for (IntentFilter filter : filters) { 15725 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 15726 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15727 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 15728 result.addAll(filter.getHostsList()); 15729 } 15730 } 15731 } 15732 15733 StringBuilder sb = new StringBuilder(result.size() * 16); 15734 for (String domain : result) { 15735 if (sb.length() > 0) sb.append(" "); 15736 sb.append(domain); 15737 } 15738 return sb.toString(); 15739 } 15740 15741 // ------- apps on sdcard specific code ------- 15742 static final boolean DEBUG_SD_INSTALL = false; 15743 15744 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15745 15746 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15747 15748 private boolean mMediaMounted = false; 15749 15750 static String getEncryptKey() { 15751 try { 15752 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15753 SD_ENCRYPTION_KEYSTORE_NAME); 15754 if (sdEncKey == null) { 15755 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15756 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15757 if (sdEncKey == null) { 15758 Slog.e(TAG, "Failed to create encryption keys"); 15759 return null; 15760 } 15761 } 15762 return sdEncKey; 15763 } catch (NoSuchAlgorithmException nsae) { 15764 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 15765 return null; 15766 } catch (IOException ioe) { 15767 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 15768 return null; 15769 } 15770 } 15771 15772 /* 15773 * Update media status on PackageManager. 15774 */ 15775 @Override 15776 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 15777 int callingUid = Binder.getCallingUid(); 15778 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 15779 throw new SecurityException("Media status can only be updated by the system"); 15780 } 15781 // reader; this apparently protects mMediaMounted, but should probably 15782 // be a different lock in that case. 15783 synchronized (mPackages) { 15784 Log.i(TAG, "Updating external media status from " 15785 + (mMediaMounted ? "mounted" : "unmounted") + " to " 15786 + (mediaStatus ? "mounted" : "unmounted")); 15787 if (DEBUG_SD_INSTALL) 15788 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 15789 + ", mMediaMounted=" + mMediaMounted); 15790 if (mediaStatus == mMediaMounted) { 15791 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 15792 : 0, -1); 15793 mHandler.sendMessage(msg); 15794 return; 15795 } 15796 mMediaMounted = mediaStatus; 15797 } 15798 // Queue up an async operation since the package installation may take a 15799 // little while. 15800 mHandler.post(new Runnable() { 15801 public void run() { 15802 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 15803 } 15804 }); 15805 } 15806 15807 /** 15808 * Called by MountService when the initial ASECs to scan are available. 15809 * Should block until all the ASEC containers are finished being scanned. 15810 */ 15811 public void scanAvailableAsecs() { 15812 updateExternalMediaStatusInner(true, false, false); 15813 if (mShouldRestoreconData) { 15814 SELinuxMMAC.setRestoreconDone(); 15815 mShouldRestoreconData = false; 15816 } 15817 } 15818 15819 /* 15820 * Collect information of applications on external media, map them against 15821 * existing containers and update information based on current mount status. 15822 * Please note that we always have to report status if reportStatus has been 15823 * set to true especially when unloading packages. 15824 */ 15825 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 15826 boolean externalStorage) { 15827 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 15828 int[] uidArr = EmptyArray.INT; 15829 15830 final String[] list = PackageHelper.getSecureContainerList(); 15831 if (ArrayUtils.isEmpty(list)) { 15832 Log.i(TAG, "No secure containers found"); 15833 } else { 15834 // Process list of secure containers and categorize them 15835 // as active or stale based on their package internal state. 15836 15837 // reader 15838 synchronized (mPackages) { 15839 for (String cid : list) { 15840 // Leave stages untouched for now; installer service owns them 15841 if (PackageInstallerService.isStageName(cid)) continue; 15842 15843 if (DEBUG_SD_INSTALL) 15844 Log.i(TAG, "Processing container " + cid); 15845 String pkgName = getAsecPackageName(cid); 15846 if (pkgName == null) { 15847 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 15848 continue; 15849 } 15850 if (DEBUG_SD_INSTALL) 15851 Log.i(TAG, "Looking for pkg : " + pkgName); 15852 15853 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15854 if (ps == null) { 15855 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 15856 continue; 15857 } 15858 15859 /* 15860 * Skip packages that are not external if we're unmounting 15861 * external storage. 15862 */ 15863 if (externalStorage && !isMounted && !isExternal(ps)) { 15864 continue; 15865 } 15866 15867 final AsecInstallArgs args = new AsecInstallArgs(cid, 15868 getAppDexInstructionSets(ps), ps.isForwardLocked()); 15869 // The package status is changed only if the code path 15870 // matches between settings and the container id. 15871 if (ps.codePathString != null 15872 && ps.codePathString.startsWith(args.getCodePath())) { 15873 if (DEBUG_SD_INSTALL) { 15874 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 15875 + " at code path: " + ps.codePathString); 15876 } 15877 15878 // We do have a valid package installed on sdcard 15879 processCids.put(args, ps.codePathString); 15880 final int uid = ps.appId; 15881 if (uid != -1) { 15882 uidArr = ArrayUtils.appendInt(uidArr, uid); 15883 } 15884 } else { 15885 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 15886 + ps.codePathString); 15887 } 15888 } 15889 } 15890 15891 Arrays.sort(uidArr); 15892 } 15893 15894 // Process packages with valid entries. 15895 if (isMounted) { 15896 if (DEBUG_SD_INSTALL) 15897 Log.i(TAG, "Loading packages"); 15898 loadMediaPackages(processCids, uidArr, externalStorage); 15899 startCleaningPackages(); 15900 mInstallerService.onSecureContainersAvailable(); 15901 } else { 15902 if (DEBUG_SD_INSTALL) 15903 Log.i(TAG, "Unloading packages"); 15904 unloadMediaPackages(processCids, uidArr, reportStatus); 15905 } 15906 } 15907 15908 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15909 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 15910 final int size = infos.size(); 15911 final String[] packageNames = new String[size]; 15912 final int[] packageUids = new int[size]; 15913 for (int i = 0; i < size; i++) { 15914 final ApplicationInfo info = infos.get(i); 15915 packageNames[i] = info.packageName; 15916 packageUids[i] = info.uid; 15917 } 15918 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 15919 finishedReceiver); 15920 } 15921 15922 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15923 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15924 sendResourcesChangedBroadcast(mediaStatus, replacing, 15925 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 15926 } 15927 15928 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15929 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15930 int size = pkgList.length; 15931 if (size > 0) { 15932 // Send broadcasts here 15933 Bundle extras = new Bundle(); 15934 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 15935 if (uidArr != null) { 15936 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 15937 } 15938 if (replacing) { 15939 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 15940 } 15941 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 15942 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 15943 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 15944 } 15945 } 15946 15947 /* 15948 * Look at potentially valid container ids from processCids If package 15949 * information doesn't match the one on record or package scanning fails, 15950 * the cid is added to list of removeCids. We currently don't delete stale 15951 * containers. 15952 */ 15953 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 15954 boolean externalStorage) { 15955 ArrayList<String> pkgList = new ArrayList<String>(); 15956 Set<AsecInstallArgs> keys = processCids.keySet(); 15957 15958 for (AsecInstallArgs args : keys) { 15959 String codePath = processCids.get(args); 15960 if (DEBUG_SD_INSTALL) 15961 Log.i(TAG, "Loading container : " + args.cid); 15962 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15963 try { 15964 // Make sure there are no container errors first. 15965 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 15966 Slog.e(TAG, "Failed to mount cid : " + args.cid 15967 + " when installing from sdcard"); 15968 continue; 15969 } 15970 // Check code path here. 15971 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 15972 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 15973 + " does not match one in settings " + codePath); 15974 continue; 15975 } 15976 // Parse package 15977 int parseFlags = mDefParseFlags; 15978 if (args.isExternalAsec()) { 15979 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 15980 } 15981 if (args.isFwdLocked()) { 15982 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 15983 } 15984 15985 synchronized (mInstallLock) { 15986 PackageParser.Package pkg = null; 15987 try { 15988 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 15989 } catch (PackageManagerException e) { 15990 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 15991 } 15992 // Scan the package 15993 if (pkg != null) { 15994 /* 15995 * TODO why is the lock being held? doPostInstall is 15996 * called in other places without the lock. This needs 15997 * to be straightened out. 15998 */ 15999 // writer 16000 synchronized (mPackages) { 16001 retCode = PackageManager.INSTALL_SUCCEEDED; 16002 pkgList.add(pkg.packageName); 16003 // Post process args 16004 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 16005 pkg.applicationInfo.uid); 16006 } 16007 } else { 16008 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 16009 } 16010 } 16011 16012 } finally { 16013 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 16014 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 16015 } 16016 } 16017 } 16018 // writer 16019 synchronized (mPackages) { 16020 // If the platform SDK has changed since the last time we booted, 16021 // we need to re-grant app permission to catch any new ones that 16022 // appear. This is really a hack, and means that apps can in some 16023 // cases get permissions that the user didn't initially explicitly 16024 // allow... it would be nice to have some better way to handle 16025 // this situation. 16026 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 16027 : mSettings.getInternalVersion(); 16028 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 16029 : StorageManager.UUID_PRIVATE_INTERNAL; 16030 16031 int updateFlags = UPDATE_PERMISSIONS_ALL; 16032 if (ver.sdkVersion != mSdkVersion) { 16033 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16034 + mSdkVersion + "; regranting permissions for external"); 16035 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16036 } 16037 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 16038 16039 // Yay, everything is now upgraded 16040 ver.forceCurrent(); 16041 16042 // can downgrade to reader 16043 // Persist settings 16044 mSettings.writeLPr(); 16045 } 16046 // Send a broadcast to let everyone know we are done processing 16047 if (pkgList.size() > 0) { 16048 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 16049 } 16050 } 16051 16052 /* 16053 * Utility method to unload a list of specified containers 16054 */ 16055 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 16056 // Just unmount all valid containers. 16057 for (AsecInstallArgs arg : cidArgs) { 16058 synchronized (mInstallLock) { 16059 arg.doPostDeleteLI(false); 16060 } 16061 } 16062 } 16063 16064 /* 16065 * Unload packages mounted on external media. This involves deleting package 16066 * data from internal structures, sending broadcasts about diabled packages, 16067 * gc'ing to free up references, unmounting all secure containers 16068 * corresponding to packages on external media, and posting a 16069 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 16070 * that we always have to post this message if status has been requested no 16071 * matter what. 16072 */ 16073 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 16074 final boolean reportStatus) { 16075 if (DEBUG_SD_INSTALL) 16076 Log.i(TAG, "unloading media packages"); 16077 ArrayList<String> pkgList = new ArrayList<String>(); 16078 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 16079 final Set<AsecInstallArgs> keys = processCids.keySet(); 16080 for (AsecInstallArgs args : keys) { 16081 String pkgName = args.getPackageName(); 16082 if (DEBUG_SD_INSTALL) 16083 Log.i(TAG, "Trying to unload pkg : " + pkgName); 16084 // Delete package internally 16085 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16086 synchronized (mInstallLock) { 16087 boolean res = deletePackageLI(pkgName, null, false, null, null, 16088 PackageManager.DELETE_KEEP_DATA, outInfo, false); 16089 if (res) { 16090 pkgList.add(pkgName); 16091 } else { 16092 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 16093 failedList.add(args); 16094 } 16095 } 16096 } 16097 16098 // reader 16099 synchronized (mPackages) { 16100 // We didn't update the settings after removing each package; 16101 // write them now for all packages. 16102 mSettings.writeLPr(); 16103 } 16104 16105 // We have to absolutely send UPDATED_MEDIA_STATUS only 16106 // after confirming that all the receivers processed the ordered 16107 // broadcast when packages get disabled, force a gc to clean things up. 16108 // and unload all the containers. 16109 if (pkgList.size() > 0) { 16110 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 16111 new IIntentReceiver.Stub() { 16112 public void performReceive(Intent intent, int resultCode, String data, 16113 Bundle extras, boolean ordered, boolean sticky, 16114 int sendingUser) throws RemoteException { 16115 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 16116 reportStatus ? 1 : 0, 1, keys); 16117 mHandler.sendMessage(msg); 16118 } 16119 }); 16120 } else { 16121 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 16122 keys); 16123 mHandler.sendMessage(msg); 16124 } 16125 } 16126 16127 private void loadPrivatePackages(final VolumeInfo vol) { 16128 mHandler.post(new Runnable() { 16129 @Override 16130 public void run() { 16131 loadPrivatePackagesInner(vol); 16132 } 16133 }); 16134 } 16135 16136 private void loadPrivatePackagesInner(VolumeInfo vol) { 16137 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 16138 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 16139 16140 final VersionInfo ver; 16141 final List<PackageSetting> packages; 16142 synchronized (mPackages) { 16143 ver = mSettings.findOrCreateVersion(vol.fsUuid); 16144 packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16145 } 16146 16147 for (PackageSetting ps : packages) { 16148 synchronized (mInstallLock) { 16149 final PackageParser.Package pkg; 16150 try { 16151 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 16152 loaded.add(pkg.applicationInfo); 16153 } catch (PackageManagerException e) { 16154 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 16155 } 16156 16157 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 16158 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 16159 } 16160 } 16161 } 16162 16163 synchronized (mPackages) { 16164 int updateFlags = UPDATE_PERMISSIONS_ALL; 16165 if (ver.sdkVersion != mSdkVersion) { 16166 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16167 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 16168 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16169 } 16170 updatePermissionsLPw(null, null, vol.fsUuid, updateFlags); 16171 16172 // Yay, everything is now upgraded 16173 ver.forceCurrent(); 16174 16175 mSettings.writeLPr(); 16176 } 16177 16178 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 16179 sendResourcesChangedBroadcast(true, false, loaded, null); 16180 } 16181 16182 private void unloadPrivatePackages(final VolumeInfo vol) { 16183 mHandler.post(new Runnable() { 16184 @Override 16185 public void run() { 16186 unloadPrivatePackagesInner(vol); 16187 } 16188 }); 16189 } 16190 16191 private void unloadPrivatePackagesInner(VolumeInfo vol) { 16192 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 16193 synchronized (mInstallLock) { 16194 synchronized (mPackages) { 16195 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16196 for (PackageSetting ps : packages) { 16197 if (ps.pkg == null) continue; 16198 16199 final ApplicationInfo info = ps.pkg.applicationInfo; 16200 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16201 if (deletePackageLI(ps.name, null, false, null, null, 16202 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 16203 unloaded.add(info); 16204 } else { 16205 Slog.w(TAG, "Failed to unload " + ps.codePath); 16206 } 16207 } 16208 16209 mSettings.writeLPr(); 16210 } 16211 } 16212 16213 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 16214 sendResourcesChangedBroadcast(false, false, unloaded, null); 16215 } 16216 16217 /** 16218 * Examine all users present on given mounted volume, and destroy data 16219 * belonging to users that are no longer valid, or whose user ID has been 16220 * recycled. 16221 */ 16222 private void reconcileUsers(String volumeUuid) { 16223 final File[] files = FileUtils 16224 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 16225 for (File file : files) { 16226 if (!file.isDirectory()) continue; 16227 16228 final int userId; 16229 final UserInfo info; 16230 try { 16231 userId = Integer.parseInt(file.getName()); 16232 info = sUserManager.getUserInfo(userId); 16233 } catch (NumberFormatException e) { 16234 Slog.w(TAG, "Invalid user directory " + file); 16235 continue; 16236 } 16237 16238 boolean destroyUser = false; 16239 if (info == null) { 16240 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16241 + " because no matching user was found"); 16242 destroyUser = true; 16243 } else { 16244 try { 16245 UserManagerService.enforceSerialNumber(file, info.serialNumber); 16246 } catch (IOException e) { 16247 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16248 + " because we failed to enforce serial number: " + e); 16249 destroyUser = true; 16250 } 16251 } 16252 16253 if (destroyUser) { 16254 synchronized (mInstallLock) { 16255 mInstaller.removeUserDataDirs(volumeUuid, userId); 16256 } 16257 } 16258 } 16259 16260 final StorageManager sm = mContext.getSystemService(StorageManager.class); 16261 final UserManager um = mContext.getSystemService(UserManager.class); 16262 for (UserInfo user : um.getUsers()) { 16263 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 16264 if (userDir.exists()) continue; 16265 16266 try { 16267 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber); 16268 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 16269 } catch (IOException e) { 16270 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 16271 } 16272 } 16273 } 16274 16275 /** 16276 * Examine all apps present on given mounted volume, and destroy apps that 16277 * aren't expected, either due to uninstallation or reinstallation on 16278 * another volume. 16279 */ 16280 private void reconcileApps(String volumeUuid) { 16281 final File[] files = FileUtils 16282 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 16283 for (File file : files) { 16284 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 16285 && !PackageInstallerService.isStageName(file.getName()); 16286 if (!isPackage) { 16287 // Ignore entries which are not packages 16288 continue; 16289 } 16290 16291 boolean destroyApp = false; 16292 String packageName = null; 16293 try { 16294 final PackageLite pkg = PackageParser.parsePackageLite(file, 16295 PackageParser.PARSE_MUST_BE_APK); 16296 packageName = pkg.packageName; 16297 16298 synchronized (mPackages) { 16299 final PackageSetting ps = mSettings.mPackages.get(packageName); 16300 if (ps == null) { 16301 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 16302 + volumeUuid + " because we found no install record"); 16303 destroyApp = true; 16304 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16305 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 16306 + volumeUuid + " because we expected it on " + ps.volumeUuid); 16307 destroyApp = true; 16308 } 16309 } 16310 16311 } catch (PackageParserException e) { 16312 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 16313 destroyApp = true; 16314 } 16315 16316 if (destroyApp) { 16317 synchronized (mInstallLock) { 16318 if (packageName != null) { 16319 removeDataDirsLI(volumeUuid, packageName); 16320 } 16321 if (file.isDirectory()) { 16322 mInstaller.rmPackageDir(file.getAbsolutePath()); 16323 } else { 16324 file.delete(); 16325 } 16326 } 16327 } 16328 } 16329 } 16330 16331 private void unfreezePackage(String packageName) { 16332 synchronized (mPackages) { 16333 final PackageSetting ps = mSettings.mPackages.get(packageName); 16334 if (ps != null) { 16335 ps.frozen = false; 16336 } 16337 } 16338 } 16339 16340 @Override 16341 public int movePackage(final String packageName, final String volumeUuid) { 16342 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16343 16344 final int moveId = mNextMoveId.getAndIncrement(); 16345 mHandler.post(new Runnable() { 16346 @Override 16347 public void run() { 16348 try { 16349 movePackageInternal(packageName, volumeUuid, moveId); 16350 } catch (PackageManagerException e) { 16351 Slog.w(TAG, "Failed to move " + packageName, e); 16352 mMoveCallbacks.notifyStatusChanged(moveId, 16353 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16354 } 16355 } 16356 }); 16357 return moveId; 16358 } 16359 16360 private void movePackageInternal(final String packageName, final String volumeUuid, 16361 final int moveId) throws PackageManagerException { 16362 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 16363 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16364 final PackageManager pm = mContext.getPackageManager(); 16365 16366 final boolean currentAsec; 16367 final String currentVolumeUuid; 16368 final File codeFile; 16369 final String installerPackageName; 16370 final String packageAbiOverride; 16371 final int appId; 16372 final String seinfo; 16373 final String label; 16374 16375 // reader 16376 synchronized (mPackages) { 16377 final PackageParser.Package pkg = mPackages.get(packageName); 16378 final PackageSetting ps = mSettings.mPackages.get(packageName); 16379 if (pkg == null || ps == null) { 16380 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 16381 } 16382 16383 if (pkg.applicationInfo.isSystemApp()) { 16384 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 16385 "Cannot move system application"); 16386 } 16387 16388 if (pkg.applicationInfo.isExternalAsec()) { 16389 currentAsec = true; 16390 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 16391 } else if (pkg.applicationInfo.isForwardLocked()) { 16392 currentAsec = true; 16393 currentVolumeUuid = "forward_locked"; 16394 } else { 16395 currentAsec = false; 16396 currentVolumeUuid = ps.volumeUuid; 16397 16398 final File probe = new File(pkg.codePath); 16399 final File probeOat = new File(probe, "oat"); 16400 if (!probe.isDirectory() || !probeOat.isDirectory()) { 16401 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16402 "Move only supported for modern cluster style installs"); 16403 } 16404 } 16405 16406 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 16407 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16408 "Package already moved to " + volumeUuid); 16409 } 16410 16411 if (ps.frozen) { 16412 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 16413 "Failed to move already frozen package"); 16414 } 16415 ps.frozen = true; 16416 16417 codeFile = new File(pkg.codePath); 16418 installerPackageName = ps.installerPackageName; 16419 packageAbiOverride = ps.cpuAbiOverrideString; 16420 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16421 seinfo = pkg.applicationInfo.seinfo; 16422 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 16423 } 16424 16425 // Now that we're guarded by frozen state, kill app during move 16426 final long token = Binder.clearCallingIdentity(); 16427 try { 16428 killApplication(packageName, appId, "move pkg"); 16429 } finally { 16430 Binder.restoreCallingIdentity(token); 16431 } 16432 16433 final Bundle extras = new Bundle(); 16434 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 16435 extras.putString(Intent.EXTRA_TITLE, label); 16436 mMoveCallbacks.notifyCreated(moveId, extras); 16437 16438 int installFlags; 16439 final boolean moveCompleteApp; 16440 final File measurePath; 16441 16442 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16443 installFlags = INSTALL_INTERNAL; 16444 moveCompleteApp = !currentAsec; 16445 measurePath = Environment.getDataAppDirectory(volumeUuid); 16446 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16447 installFlags = INSTALL_EXTERNAL; 16448 moveCompleteApp = false; 16449 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16450 } else { 16451 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16452 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16453 || !volume.isMountedWritable()) { 16454 unfreezePackage(packageName); 16455 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16456 "Move location not mounted private volume"); 16457 } 16458 16459 Preconditions.checkState(!currentAsec); 16460 16461 installFlags = INSTALL_INTERNAL; 16462 moveCompleteApp = true; 16463 measurePath = Environment.getDataAppDirectory(volumeUuid); 16464 } 16465 16466 final PackageStats stats = new PackageStats(null, -1); 16467 synchronized (mInstaller) { 16468 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16469 unfreezePackage(packageName); 16470 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16471 "Failed to measure package size"); 16472 } 16473 } 16474 16475 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16476 + stats.dataSize); 16477 16478 final long startFreeBytes = measurePath.getFreeSpace(); 16479 final long sizeBytes; 16480 if (moveCompleteApp) { 16481 sizeBytes = stats.codeSize + stats.dataSize; 16482 } else { 16483 sizeBytes = stats.codeSize; 16484 } 16485 16486 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16487 unfreezePackage(packageName); 16488 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16489 "Not enough free space to move"); 16490 } 16491 16492 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16493 16494 final CountDownLatch installedLatch = new CountDownLatch(1); 16495 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16496 @Override 16497 public void onUserActionRequired(Intent intent) throws RemoteException { 16498 throw new IllegalStateException(); 16499 } 16500 16501 @Override 16502 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16503 Bundle extras) throws RemoteException { 16504 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16505 + PackageManager.installStatusToString(returnCode, msg)); 16506 16507 installedLatch.countDown(); 16508 16509 // Regardless of success or failure of the move operation, 16510 // always unfreeze the package 16511 unfreezePackage(packageName); 16512 16513 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16514 switch (status) { 16515 case PackageInstaller.STATUS_SUCCESS: 16516 mMoveCallbacks.notifyStatusChanged(moveId, 16517 PackageManager.MOVE_SUCCEEDED); 16518 break; 16519 case PackageInstaller.STATUS_FAILURE_STORAGE: 16520 mMoveCallbacks.notifyStatusChanged(moveId, 16521 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16522 break; 16523 default: 16524 mMoveCallbacks.notifyStatusChanged(moveId, 16525 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16526 break; 16527 } 16528 } 16529 }; 16530 16531 final MoveInfo move; 16532 if (moveCompleteApp) { 16533 // Kick off a thread to report progress estimates 16534 new Thread() { 16535 @Override 16536 public void run() { 16537 while (true) { 16538 try { 16539 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16540 break; 16541 } 16542 } catch (InterruptedException ignored) { 16543 } 16544 16545 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16546 final int progress = 10 + (int) MathUtils.constrain( 16547 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16548 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16549 } 16550 } 16551 }.start(); 16552 16553 final String dataAppName = codeFile.getName(); 16554 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16555 dataAppName, appId, seinfo); 16556 } else { 16557 move = null; 16558 } 16559 16560 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16561 16562 final Message msg = mHandler.obtainMessage(INIT_COPY); 16563 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16564 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 16565 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16566 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 16567 msg.obj = params; 16568 16569 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 16570 System.identityHashCode(msg.obj)); 16571 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 16572 System.identityHashCode(msg.obj)); 16573 16574 mHandler.sendMessage(msg); 16575 } 16576 16577 @Override 16578 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16579 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16580 16581 final int realMoveId = mNextMoveId.getAndIncrement(); 16582 final Bundle extras = new Bundle(); 16583 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16584 mMoveCallbacks.notifyCreated(realMoveId, extras); 16585 16586 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16587 @Override 16588 public void onCreated(int moveId, Bundle extras) { 16589 // Ignored 16590 } 16591 16592 @Override 16593 public void onStatusChanged(int moveId, int status, long estMillis) { 16594 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16595 } 16596 }; 16597 16598 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16599 storage.setPrimaryStorageUuid(volumeUuid, callback); 16600 return realMoveId; 16601 } 16602 16603 @Override 16604 public int getMoveStatus(int moveId) { 16605 mContext.enforceCallingOrSelfPermission( 16606 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16607 return mMoveCallbacks.mLastStatus.get(moveId); 16608 } 16609 16610 @Override 16611 public void registerMoveCallback(IPackageMoveObserver callback) { 16612 mContext.enforceCallingOrSelfPermission( 16613 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16614 mMoveCallbacks.register(callback); 16615 } 16616 16617 @Override 16618 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16619 mContext.enforceCallingOrSelfPermission( 16620 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16621 mMoveCallbacks.unregister(callback); 16622 } 16623 16624 @Override 16625 public boolean setInstallLocation(int loc) { 16626 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16627 null); 16628 if (getInstallLocation() == loc) { 16629 return true; 16630 } 16631 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16632 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16633 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16634 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16635 return true; 16636 } 16637 return false; 16638 } 16639 16640 @Override 16641 public int getInstallLocation() { 16642 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16643 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16644 PackageHelper.APP_INSTALL_AUTO); 16645 } 16646 16647 /** Called by UserManagerService */ 16648 void cleanUpUser(UserManagerService userManager, int userHandle) { 16649 synchronized (mPackages) { 16650 mDirtyUsers.remove(userHandle); 16651 mUserNeedsBadging.delete(userHandle); 16652 mSettings.removeUserLPw(userHandle); 16653 mPendingBroadcasts.remove(userHandle); 16654 } 16655 synchronized (mInstallLock) { 16656 if (mInstaller != null) { 16657 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16658 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16659 final String volumeUuid = vol.getFsUuid(); 16660 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 16661 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 16662 } 16663 } 16664 synchronized (mPackages) { 16665 removeUnusedPackagesLILPw(userManager, userHandle); 16666 } 16667 } 16668 } 16669 16670 /** 16671 * We're removing userHandle and would like to remove any downloaded packages 16672 * that are no longer in use by any other user. 16673 * @param userHandle the user being removed 16674 */ 16675 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 16676 final boolean DEBUG_CLEAN_APKS = false; 16677 int [] users = userManager.getUserIds(); 16678 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 16679 while (psit.hasNext()) { 16680 PackageSetting ps = psit.next(); 16681 if (ps.pkg == null) { 16682 continue; 16683 } 16684 final String packageName = ps.pkg.packageName; 16685 // Skip over if system app 16686 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 16687 continue; 16688 } 16689 if (DEBUG_CLEAN_APKS) { 16690 Slog.i(TAG, "Checking package " + packageName); 16691 } 16692 boolean keep = false; 16693 for (int i = 0; i < users.length; i++) { 16694 if (users[i] != userHandle && ps.getInstalled(users[i])) { 16695 keep = true; 16696 if (DEBUG_CLEAN_APKS) { 16697 Slog.i(TAG, " Keeping package " + packageName + " for user " 16698 + users[i]); 16699 } 16700 break; 16701 } 16702 } 16703 if (!keep) { 16704 if (DEBUG_CLEAN_APKS) { 16705 Slog.i(TAG, " Removing package " + packageName); 16706 } 16707 mHandler.post(new Runnable() { 16708 public void run() { 16709 deletePackageX(packageName, userHandle, 0); 16710 } //end run 16711 }); 16712 } 16713 } 16714 } 16715 16716 /** Called by UserManagerService */ 16717 void createNewUser(int userHandle) { 16718 if (mInstaller != null) { 16719 synchronized (mInstallLock) { 16720 synchronized (mPackages) { 16721 mInstaller.createUserConfig(userHandle); 16722 mSettings.createNewUserLILPw(this, mInstaller, userHandle); 16723 } 16724 } 16725 synchronized (mPackages) { 16726 applyFactoryDefaultBrowserLPw(userHandle); 16727 primeDomainVerificationsLPw(userHandle); 16728 } 16729 } 16730 } 16731 16732 void newUserCreated(final int userHandle) { 16733 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 16734 } 16735 16736 @Override 16737 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 16738 mContext.enforceCallingOrSelfPermission( 16739 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 16740 "Only package verification agents can read the verifier device identity"); 16741 16742 synchronized (mPackages) { 16743 return mSettings.getVerifierDeviceIdentityLPw(); 16744 } 16745 } 16746 16747 @Override 16748 public void setPermissionEnforced(String permission, boolean enforced) { 16749 // TODO: Now that we no longer change GID for storage, this should to away. 16750 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 16751 "setPermissionEnforced"); 16752 if (READ_EXTERNAL_STORAGE.equals(permission)) { 16753 synchronized (mPackages) { 16754 if (mSettings.mReadExternalStorageEnforced == null 16755 || mSettings.mReadExternalStorageEnforced != enforced) { 16756 mSettings.mReadExternalStorageEnforced = enforced; 16757 mSettings.writeLPr(); 16758 } 16759 } 16760 // kill any non-foreground processes so we restart them and 16761 // grant/revoke the GID. 16762 final IActivityManager am = ActivityManagerNative.getDefault(); 16763 if (am != null) { 16764 final long token = Binder.clearCallingIdentity(); 16765 try { 16766 am.killProcessesBelowForeground("setPermissionEnforcement"); 16767 } catch (RemoteException e) { 16768 } finally { 16769 Binder.restoreCallingIdentity(token); 16770 } 16771 } 16772 } else { 16773 throw new IllegalArgumentException("No selective enforcement for " + permission); 16774 } 16775 } 16776 16777 @Override 16778 @Deprecated 16779 public boolean isPermissionEnforced(String permission) { 16780 return true; 16781 } 16782 16783 @Override 16784 public boolean isStorageLow() { 16785 final long token = Binder.clearCallingIdentity(); 16786 try { 16787 final DeviceStorageMonitorInternal 16788 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 16789 if (dsm != null) { 16790 return dsm.isMemoryLow(); 16791 } else { 16792 return false; 16793 } 16794 } finally { 16795 Binder.restoreCallingIdentity(token); 16796 } 16797 } 16798 16799 @Override 16800 public IPackageInstaller getPackageInstaller() { 16801 return mInstallerService; 16802 } 16803 16804 private boolean userNeedsBadging(int userId) { 16805 int index = mUserNeedsBadging.indexOfKey(userId); 16806 if (index < 0) { 16807 final UserInfo userInfo; 16808 final long token = Binder.clearCallingIdentity(); 16809 try { 16810 userInfo = sUserManager.getUserInfo(userId); 16811 } finally { 16812 Binder.restoreCallingIdentity(token); 16813 } 16814 final boolean b; 16815 if (userInfo != null && userInfo.isManagedProfile()) { 16816 b = true; 16817 } else { 16818 b = false; 16819 } 16820 mUserNeedsBadging.put(userId, b); 16821 return b; 16822 } 16823 return mUserNeedsBadging.valueAt(index); 16824 } 16825 16826 @Override 16827 public KeySet getKeySetByAlias(String packageName, String alias) { 16828 if (packageName == null || alias == null) { 16829 return null; 16830 } 16831 synchronized(mPackages) { 16832 final PackageParser.Package pkg = mPackages.get(packageName); 16833 if (pkg == null) { 16834 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16835 throw new IllegalArgumentException("Unknown package: " + packageName); 16836 } 16837 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16838 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 16839 } 16840 } 16841 16842 @Override 16843 public KeySet getSigningKeySet(String packageName) { 16844 if (packageName == null) { 16845 return null; 16846 } 16847 synchronized(mPackages) { 16848 final PackageParser.Package pkg = mPackages.get(packageName); 16849 if (pkg == null) { 16850 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16851 throw new IllegalArgumentException("Unknown package: " + packageName); 16852 } 16853 if (pkg.applicationInfo.uid != Binder.getCallingUid() 16854 && Process.SYSTEM_UID != Binder.getCallingUid()) { 16855 throw new SecurityException("May not access signing KeySet of other apps."); 16856 } 16857 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16858 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 16859 } 16860 } 16861 16862 @Override 16863 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 16864 if (packageName == null || ks == null) { 16865 return false; 16866 } 16867 synchronized(mPackages) { 16868 final PackageParser.Package pkg = mPackages.get(packageName); 16869 if (pkg == null) { 16870 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16871 throw new IllegalArgumentException("Unknown package: " + packageName); 16872 } 16873 IBinder ksh = ks.getToken(); 16874 if (ksh instanceof KeySetHandle) { 16875 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16876 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 16877 } 16878 return false; 16879 } 16880 } 16881 16882 @Override 16883 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 16884 if (packageName == null || ks == null) { 16885 return false; 16886 } 16887 synchronized(mPackages) { 16888 final PackageParser.Package pkg = mPackages.get(packageName); 16889 if (pkg == null) { 16890 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16891 throw new IllegalArgumentException("Unknown package: " + packageName); 16892 } 16893 IBinder ksh = ks.getToken(); 16894 if (ksh instanceof KeySetHandle) { 16895 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16896 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 16897 } 16898 return false; 16899 } 16900 } 16901 16902 /** 16903 * Check and throw if the given before/after packages would be considered a 16904 * downgrade. 16905 */ 16906 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 16907 throws PackageManagerException { 16908 if (after.versionCode < before.mVersionCode) { 16909 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16910 "Update version code " + after.versionCode + " is older than current " 16911 + before.mVersionCode); 16912 } else if (after.versionCode == before.mVersionCode) { 16913 if (after.baseRevisionCode < before.baseRevisionCode) { 16914 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16915 "Update base revision code " + after.baseRevisionCode 16916 + " is older than current " + before.baseRevisionCode); 16917 } 16918 16919 if (!ArrayUtils.isEmpty(after.splitNames)) { 16920 for (int i = 0; i < after.splitNames.length; i++) { 16921 final String splitName = after.splitNames[i]; 16922 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 16923 if (j != -1) { 16924 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 16925 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16926 "Update split " + splitName + " revision code " 16927 + after.splitRevisionCodes[i] + " is older than current " 16928 + before.splitRevisionCodes[j]); 16929 } 16930 } 16931 } 16932 } 16933 } 16934 } 16935 16936 private static class MoveCallbacks extends Handler { 16937 private static final int MSG_CREATED = 1; 16938 private static final int MSG_STATUS_CHANGED = 2; 16939 16940 private final RemoteCallbackList<IPackageMoveObserver> 16941 mCallbacks = new RemoteCallbackList<>(); 16942 16943 private final SparseIntArray mLastStatus = new SparseIntArray(); 16944 16945 public MoveCallbacks(Looper looper) { 16946 super(looper); 16947 } 16948 16949 public void register(IPackageMoveObserver callback) { 16950 mCallbacks.register(callback); 16951 } 16952 16953 public void unregister(IPackageMoveObserver callback) { 16954 mCallbacks.unregister(callback); 16955 } 16956 16957 @Override 16958 public void handleMessage(Message msg) { 16959 final SomeArgs args = (SomeArgs) msg.obj; 16960 final int n = mCallbacks.beginBroadcast(); 16961 for (int i = 0; i < n; i++) { 16962 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 16963 try { 16964 invokeCallback(callback, msg.what, args); 16965 } catch (RemoteException ignored) { 16966 } 16967 } 16968 mCallbacks.finishBroadcast(); 16969 args.recycle(); 16970 } 16971 16972 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 16973 throws RemoteException { 16974 switch (what) { 16975 case MSG_CREATED: { 16976 callback.onCreated(args.argi1, (Bundle) args.arg2); 16977 break; 16978 } 16979 case MSG_STATUS_CHANGED: { 16980 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 16981 break; 16982 } 16983 } 16984 } 16985 16986 private void notifyCreated(int moveId, Bundle extras) { 16987 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 16988 16989 final SomeArgs args = SomeArgs.obtain(); 16990 args.argi1 = moveId; 16991 args.arg2 = extras; 16992 obtainMessage(MSG_CREATED, args).sendToTarget(); 16993 } 16994 16995 private void notifyStatusChanged(int moveId, int status) { 16996 notifyStatusChanged(moveId, status, -1); 16997 } 16998 16999 private void notifyStatusChanged(int moveId, int status, long estMillis) { 17000 Slog.v(TAG, "Move " + moveId + " status " + status); 17001 17002 final SomeArgs args = SomeArgs.obtain(); 17003 args.argi1 = moveId; 17004 args.argi2 = status; 17005 args.arg3 = estMillis; 17006 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 17007 17008 synchronized (mLastStatus) { 17009 mLastStatus.put(moveId, status); 17010 } 17011 } 17012 } 17013 17014 private final class OnPermissionChangeListeners extends Handler { 17015 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 17016 17017 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 17018 new RemoteCallbackList<>(); 17019 17020 public OnPermissionChangeListeners(Looper looper) { 17021 super(looper); 17022 } 17023 17024 @Override 17025 public void handleMessage(Message msg) { 17026 switch (msg.what) { 17027 case MSG_ON_PERMISSIONS_CHANGED: { 17028 final int uid = msg.arg1; 17029 handleOnPermissionsChanged(uid); 17030 } break; 17031 } 17032 } 17033 17034 public void addListenerLocked(IOnPermissionsChangeListener listener) { 17035 mPermissionListeners.register(listener); 17036 17037 } 17038 17039 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 17040 mPermissionListeners.unregister(listener); 17041 } 17042 17043 public void onPermissionsChanged(int uid) { 17044 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 17045 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 17046 } 17047 } 17048 17049 private void handleOnPermissionsChanged(int uid) { 17050 final int count = mPermissionListeners.beginBroadcast(); 17051 try { 17052 for (int i = 0; i < count; i++) { 17053 IOnPermissionsChangeListener callback = mPermissionListeners 17054 .getBroadcastItem(i); 17055 try { 17056 callback.onPermissionsChanged(uid); 17057 } catch (RemoteException e) { 17058 Log.e(TAG, "Permission listener is dead", e); 17059 } 17060 } 17061 } finally { 17062 mPermissionListeners.finishBroadcast(); 17063 } 17064 } 17065 } 17066 17067 private class PackageManagerInternalImpl extends PackageManagerInternal { 17068 @Override 17069 public void setLocationPackagesProvider(PackagesProvider provider) { 17070 synchronized (mPackages) { 17071 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 17072 } 17073 } 17074 17075 @Override 17076 public void setImePackagesProvider(PackagesProvider provider) { 17077 synchronized (mPackages) { 17078 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 17079 } 17080 } 17081 17082 @Override 17083 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 17084 synchronized (mPackages) { 17085 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 17086 } 17087 } 17088 17089 @Override 17090 public void setSmsAppPackagesProvider(PackagesProvider provider) { 17091 synchronized (mPackages) { 17092 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 17093 } 17094 } 17095 17096 @Override 17097 public void setDialerAppPackagesProvider(PackagesProvider provider) { 17098 synchronized (mPackages) { 17099 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 17100 } 17101 } 17102 17103 @Override 17104 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 17105 synchronized (mPackages) { 17106 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 17107 } 17108 } 17109 17110 @Override 17111 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 17112 synchronized (mPackages) { 17113 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 17114 } 17115 } 17116 17117 @Override 17118 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 17119 synchronized (mPackages) { 17120 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 17121 packageName, userId); 17122 } 17123 } 17124 17125 @Override 17126 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 17127 synchronized (mPackages) { 17128 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 17129 packageName, userId); 17130 } 17131 } 17132 @Override 17133 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 17134 synchronized (mPackages) { 17135 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 17136 packageName, userId); 17137 } 17138 } 17139 } 17140 17141 @Override 17142 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 17143 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 17144 synchronized (mPackages) { 17145 final long identity = Binder.clearCallingIdentity(); 17146 try { 17147 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 17148 packageNames, userId); 17149 } finally { 17150 Binder.restoreCallingIdentity(identity); 17151 } 17152 } 17153 } 17154 17155 private static void enforceSystemOrPhoneCaller(String tag) { 17156 int callingUid = Binder.getCallingUid(); 17157 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 17158 throw new SecurityException( 17159 "Cannot call " + tag + " from UID " + callingUid); 17160 } 17161 } 17162} 17163