PackageManagerService.java revision 11c5b0aff7a742e21bd701ad04572dcf7e0f9332
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.IMediaContainerService; 213import com.android.internal.app.ResolverActivity; 214import com.android.internal.content.NativeLibraryHelper; 215import com.android.internal.content.PackageHelper; 216import com.android.internal.os.IParcelFileDescriptorFactory; 217import com.android.internal.os.SomeArgs; 218import com.android.internal.os.Zygote; 219import com.android.internal.util.ArrayUtils; 220import com.android.internal.util.FastPrintWriter; 221import com.android.internal.util.FastXmlSerializer; 222import com.android.internal.util.IndentingPrintWriter; 223import com.android.internal.util.Preconditions; 224import com.android.server.EventLogTags; 225import com.android.server.FgThread; 226import com.android.server.IntentResolver; 227import com.android.server.LocalServices; 228import com.android.server.ServiceThread; 229import com.android.server.SystemConfig; 230import com.android.server.Watchdog; 231import com.android.server.pm.PermissionsState.PermissionState; 232import com.android.server.pm.Settings.DatabaseVersion; 233import com.android.server.pm.Settings.VersionInfo; 234import com.android.server.storage.DeviceStorageMonitorInternal; 235 236import org.xmlpull.v1.XmlPullParser; 237import org.xmlpull.v1.XmlPullParserException; 238import org.xmlpull.v1.XmlSerializer; 239 240import java.io.BufferedInputStream; 241import java.io.BufferedOutputStream; 242import java.io.BufferedReader; 243import java.io.ByteArrayInputStream; 244import java.io.ByteArrayOutputStream; 245import java.io.File; 246import java.io.FileDescriptor; 247import java.io.FileNotFoundException; 248import java.io.FileOutputStream; 249import java.io.FileReader; 250import java.io.FilenameFilter; 251import java.io.IOException; 252import java.io.InputStream; 253import java.io.PrintWriter; 254import java.nio.charset.StandardCharsets; 255import java.security.NoSuchAlgorithmException; 256import java.security.PublicKey; 257import java.security.cert.CertificateEncodingException; 258import java.security.cert.CertificateException; 259import java.text.SimpleDateFormat; 260import java.util.ArrayList; 261import java.util.Arrays; 262import java.util.Collection; 263import java.util.Collections; 264import java.util.Comparator; 265import java.util.Date; 266import java.util.Iterator; 267import java.util.List; 268import java.util.Map; 269import java.util.Objects; 270import java.util.Set; 271import java.util.concurrent.CountDownLatch; 272import java.util.concurrent.TimeUnit; 273import java.util.concurrent.atomic.AtomicBoolean; 274import java.util.concurrent.atomic.AtomicInteger; 275import java.util.concurrent.atomic.AtomicLong; 276 277/** 278 * Keep track of all those .apks everywhere. 279 * 280 * This is very central to the platform's security; please run the unit 281 * tests whenever making modifications here: 282 * 283runtest -c android.content.pm.PackageManagerTests frameworks-core 284 * 285 * {@hide} 286 */ 287public class PackageManagerService extends IPackageManager.Stub { 288 static final String TAG = "PackageManager"; 289 static final boolean DEBUG_SETTINGS = false; 290 static final boolean DEBUG_PREFERRED = false; 291 static final boolean DEBUG_UPGRADE = false; 292 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 293 private static final boolean DEBUG_BACKUP = false; 294 private static final boolean DEBUG_INSTALL = false; 295 private static final boolean DEBUG_REMOVE = false; 296 private static final boolean DEBUG_BROADCASTS = false; 297 private static final boolean DEBUG_SHOW_INFO = false; 298 private static final boolean DEBUG_PACKAGE_INFO = false; 299 private static final boolean DEBUG_INTENT_MATCHING = false; 300 private static final boolean DEBUG_PACKAGE_SCANNING = false; 301 private static final boolean DEBUG_VERIFY = false; 302 private static final boolean DEBUG_DEXOPT = false; 303 private static final boolean DEBUG_ABI_SELECTION = false; 304 305 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 306 307 private static final int RADIO_UID = Process.PHONE_UID; 308 private static final int LOG_UID = Process.LOG_UID; 309 private static final int NFC_UID = Process.NFC_UID; 310 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 311 private static final int SHELL_UID = Process.SHELL_UID; 312 313 // Cap the size of permission trees that 3rd party apps can define 314 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 315 316 // Suffix used during package installation when copying/moving 317 // package apks to install directory. 318 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 319 320 static final int SCAN_NO_DEX = 1<<1; 321 static final int SCAN_FORCE_DEX = 1<<2; 322 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 323 static final int SCAN_NEW_INSTALL = 1<<4; 324 static final int SCAN_NO_PATHS = 1<<5; 325 static final int SCAN_UPDATE_TIME = 1<<6; 326 static final int SCAN_DEFER_DEX = 1<<7; 327 static final int SCAN_BOOTING = 1<<8; 328 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 329 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 330 static final int SCAN_REPLACING = 1<<11; 331 static final int SCAN_REQUIRE_KNOWN = 1<<12; 332 static final int SCAN_MOVE = 1<<13; 333 static final int SCAN_INITIAL = 1<<14; 334 335 static final int REMOVE_CHATTY = 1<<16; 336 337 private static final int[] EMPTY_INT_ARRAY = new int[0]; 338 339 /** 340 * Timeout (in milliseconds) after which the watchdog should declare that 341 * our handler thread is wedged. The usual default for such things is one 342 * minute but we sometimes do very lengthy I/O operations on this thread, 343 * such as installing multi-gigabyte applications, so ours needs to be longer. 344 */ 345 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 346 347 /** 348 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 349 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 350 * settings entry if available, otherwise we use the hardcoded default. If it's been 351 * more than this long since the last fstrim, we force one during the boot sequence. 352 * 353 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 354 * one gets run at the next available charging+idle time. This final mandatory 355 * no-fstrim check kicks in only of the other scheduling criteria is never met. 356 */ 357 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 358 359 /** 360 * Whether verification is enabled by default. 361 */ 362 private static final boolean DEFAULT_VERIFY_ENABLE = true; 363 364 /** 365 * The default maximum time to wait for the verification agent to return in 366 * milliseconds. 367 */ 368 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 369 370 /** 371 * The default response for package verification timeout. 372 * 373 * This can be either PackageManager.VERIFICATION_ALLOW or 374 * PackageManager.VERIFICATION_REJECT. 375 */ 376 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 377 378 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 379 380 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 381 DEFAULT_CONTAINER_PACKAGE, 382 "com.android.defcontainer.DefaultContainerService"); 383 384 private static final String KILL_APP_REASON_GIDS_CHANGED = 385 "permission grant or revoke changed gids"; 386 387 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 388 "permissions revoked"; 389 390 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 391 392 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 393 394 /** Permission grant: not grant the permission. */ 395 private static final int GRANT_DENIED = 1; 396 397 /** Permission grant: grant the permission as an install permission. */ 398 private static final int GRANT_INSTALL = 2; 399 400 /** Permission grant: grant the permission as an install permission for a legacy app. */ 401 private static final int GRANT_INSTALL_LEGACY = 3; 402 403 /** Permission grant: grant the permission as a runtime one. */ 404 private static final int GRANT_RUNTIME = 4; 405 406 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 407 private static final int GRANT_UPGRADE = 5; 408 409 /** Canonical intent used to identify what counts as a "web browser" app */ 410 private static final Intent sBrowserIntent; 411 static { 412 sBrowserIntent = new Intent(); 413 sBrowserIntent.setAction(Intent.ACTION_VIEW); 414 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 415 sBrowserIntent.setData(Uri.parse("http:")); 416 } 417 418 final ServiceThread mHandlerThread; 419 420 final PackageHandler mHandler; 421 422 /** 423 * Messages for {@link #mHandler} that need to wait for system ready before 424 * being dispatched. 425 */ 426 private ArrayList<Message> mPostSystemReadyMessages; 427 428 final int mSdkVersion = Build.VERSION.SDK_INT; 429 430 final Context mContext; 431 final boolean mFactoryTest; 432 final boolean mOnlyCore; 433 final DisplayMetrics mMetrics; 434 final int mDefParseFlags; 435 final String[] mSeparateProcesses; 436 final boolean mIsUpgrade; 437 438 // This is where all application persistent data goes. 439 final File mAppDataDir; 440 441 // This is where all application persistent data goes for secondary users. 442 final File mUserAppDataDir; 443 444 /** The location for ASEC container files on internal storage. */ 445 final String mAsecInternalPath; 446 447 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 448 // LOCK HELD. Can be called with mInstallLock held. 449 @GuardedBy("mInstallLock") 450 final Installer mInstaller; 451 452 /** Directory where installed third-party apps stored */ 453 final File mAppInstallDir; 454 455 /** 456 * Directory to which applications installed internally have their 457 * 32 bit native libraries copied. 458 */ 459 private File mAppLib32InstallDir; 460 461 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 462 // apps. 463 final File mDrmAppPrivateInstallDir; 464 465 // ---------------------------------------------------------------- 466 467 // Lock for state used when installing and doing other long running 468 // operations. Methods that must be called with this lock held have 469 // the suffix "LI". 470 final Object mInstallLock = new Object(); 471 472 // ---------------------------------------------------------------- 473 474 // Keys are String (package name), values are Package. This also serves 475 // as the lock for the global state. Methods that must be called with 476 // this lock held have the prefix "LP". 477 @GuardedBy("mPackages") 478 final ArrayMap<String, PackageParser.Package> mPackages = 479 new ArrayMap<String, PackageParser.Package>(); 480 481 // Tracks available target package names -> overlay package paths. 482 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 483 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 484 485 /** 486 * Tracks new system packages [received in an OTA] that we expect to 487 * find updated user-installed versions. Keys are package name, values 488 * are package location. 489 */ 490 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 491 492 /** 493 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 494 */ 495 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 496 /** 497 * Whether or not system app permissions should be promoted from install to runtime. 498 */ 499 boolean mPromoteSystemApps; 500 501 final Settings mSettings; 502 boolean mRestoredSettings; 503 504 // System configuration read by SystemConfig. 505 final int[] mGlobalGids; 506 final SparseArray<ArraySet<String>> mSystemPermissions; 507 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 508 509 // If mac_permissions.xml was found for seinfo labeling. 510 boolean mFoundPolicyFile; 511 512 // If a recursive restorecon of /data/data/<pkg> is needed. 513 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 514 515 public static final class SharedLibraryEntry { 516 public final String path; 517 public final String apk; 518 519 SharedLibraryEntry(String _path, String _apk) { 520 path = _path; 521 apk = _apk; 522 } 523 } 524 525 // Currently known shared libraries. 526 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 527 new ArrayMap<String, SharedLibraryEntry>(); 528 529 // All available activities, for your resolving pleasure. 530 final ActivityIntentResolver mActivities = 531 new ActivityIntentResolver(); 532 533 // All available receivers, for your resolving pleasure. 534 final ActivityIntentResolver mReceivers = 535 new ActivityIntentResolver(); 536 537 // All available services, for your resolving pleasure. 538 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 539 540 // All available providers, for your resolving pleasure. 541 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 542 543 // Mapping from provider base names (first directory in content URI codePath) 544 // to the provider information. 545 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 546 new ArrayMap<String, PackageParser.Provider>(); 547 548 // Mapping from instrumentation class names to info about them. 549 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 550 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 551 552 // Mapping from permission names to info about them. 553 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 554 new ArrayMap<String, PackageParser.PermissionGroup>(); 555 556 // Packages whose data we have transfered into another package, thus 557 // should no longer exist. 558 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 559 560 // Broadcast actions that are only available to the system. 561 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 562 563 /** List of packages waiting for verification. */ 564 final SparseArray<PackageVerificationState> mPendingVerification 565 = new SparseArray<PackageVerificationState>(); 566 567 /** Set of packages associated with each app op permission. */ 568 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 569 570 final PackageInstallerService mInstallerService; 571 572 private final PackageDexOptimizer mPackageDexOptimizer; 573 574 private AtomicInteger mNextMoveId = new AtomicInteger(); 575 private final MoveCallbacks mMoveCallbacks; 576 577 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 578 579 // Cache of users who need badging. 580 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 581 582 /** Token for keys in mPendingVerification. */ 583 private int mPendingVerificationToken = 0; 584 585 volatile boolean mSystemReady; 586 volatile boolean mSafeMode; 587 volatile boolean mHasSystemUidErrors; 588 589 ApplicationInfo mAndroidApplication; 590 final ActivityInfo mResolveActivity = new ActivityInfo(); 591 final ResolveInfo mResolveInfo = new ResolveInfo(); 592 ComponentName mResolveComponentName; 593 PackageParser.Package mPlatformPackage; 594 ComponentName mCustomResolverComponentName; 595 596 boolean mResolverReplaced = false; 597 598 private final ComponentName mIntentFilterVerifierComponent; 599 private int mIntentFilterVerificationToken = 0; 600 601 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 602 = new SparseArray<IntentFilterVerificationState>(); 603 604 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 605 new DefaultPermissionGrantPolicy(this); 606 607 private static class IFVerificationParams { 608 PackageParser.Package pkg; 609 boolean replacing; 610 int userId; 611 int verifierUid; 612 613 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 614 int _userId, int _verifierUid) { 615 pkg = _pkg; 616 replacing = _replacing; 617 userId = _userId; 618 replacing = _replacing; 619 verifierUid = _verifierUid; 620 } 621 } 622 623 private interface IntentFilterVerifier<T extends IntentFilter> { 624 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 625 T filter, String packageName); 626 void startVerifications(int userId); 627 void receiveVerificationResponse(int verificationId); 628 } 629 630 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 631 private Context mContext; 632 private ComponentName mIntentFilterVerifierComponent; 633 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 634 635 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 636 mContext = context; 637 mIntentFilterVerifierComponent = verifierComponent; 638 } 639 640 private String getDefaultScheme() { 641 return IntentFilter.SCHEME_HTTPS; 642 } 643 644 @Override 645 public void startVerifications(int userId) { 646 // Launch verifications requests 647 int count = mCurrentIntentFilterVerifications.size(); 648 for (int n=0; n<count; n++) { 649 int verificationId = mCurrentIntentFilterVerifications.get(n); 650 final IntentFilterVerificationState ivs = 651 mIntentFilterVerificationStates.get(verificationId); 652 653 String packageName = ivs.getPackageName(); 654 655 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 656 final int filterCount = filters.size(); 657 ArraySet<String> domainsSet = new ArraySet<>(); 658 for (int m=0; m<filterCount; m++) { 659 PackageParser.ActivityIntentInfo filter = filters.get(m); 660 domainsSet.addAll(filter.getHostsList()); 661 } 662 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 663 synchronized (mPackages) { 664 if (mSettings.createIntentFilterVerificationIfNeededLPw( 665 packageName, domainsList) != null) { 666 scheduleWriteSettingsLocked(); 667 } 668 } 669 sendVerificationRequest(userId, verificationId, ivs); 670 } 671 mCurrentIntentFilterVerifications.clear(); 672 } 673 674 private void sendVerificationRequest(int userId, int verificationId, 675 IntentFilterVerificationState ivs) { 676 677 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 678 verificationIntent.putExtra( 679 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 680 verificationId); 681 verificationIntent.putExtra( 682 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 683 getDefaultScheme()); 684 verificationIntent.putExtra( 685 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 686 ivs.getHostsString()); 687 verificationIntent.putExtra( 688 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 689 ivs.getPackageName()); 690 verificationIntent.setComponent(mIntentFilterVerifierComponent); 691 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 692 693 UserHandle user = new UserHandle(userId); 694 mContext.sendBroadcastAsUser(verificationIntent, user); 695 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 696 "Sending IntentFilter verification broadcast"); 697 } 698 699 public void receiveVerificationResponse(int verificationId) { 700 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 701 702 final boolean verified = ivs.isVerified(); 703 704 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 705 final int count = filters.size(); 706 if (DEBUG_DOMAIN_VERIFICATION) { 707 Slog.i(TAG, "Received verification response " + verificationId 708 + " for " + count + " filters, verified=" + verified); 709 } 710 for (int n=0; n<count; n++) { 711 PackageParser.ActivityIntentInfo filter = filters.get(n); 712 filter.setVerified(verified); 713 714 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 715 + " verified with result:" + verified + " and hosts:" 716 + ivs.getHostsString()); 717 } 718 719 mIntentFilterVerificationStates.remove(verificationId); 720 721 final String packageName = ivs.getPackageName(); 722 IntentFilterVerificationInfo ivi = null; 723 724 synchronized (mPackages) { 725 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 726 } 727 if (ivi == null) { 728 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 729 + verificationId + " packageName:" + packageName); 730 return; 731 } 732 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 733 "Updating IntentFilterVerificationInfo for package " + packageName 734 +" verificationId:" + verificationId); 735 736 synchronized (mPackages) { 737 if (verified) { 738 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 739 } else { 740 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 741 } 742 scheduleWriteSettingsLocked(); 743 744 final int userId = ivs.getUserId(); 745 if (userId != UserHandle.USER_ALL) { 746 final int userStatus = 747 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 748 749 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 750 boolean needUpdate = false; 751 752 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 753 // already been set by the User thru the Disambiguation dialog 754 switch (userStatus) { 755 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 756 if (verified) { 757 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 758 } else { 759 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 760 } 761 needUpdate = true; 762 break; 763 764 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 765 if (verified) { 766 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 767 needUpdate = true; 768 } 769 break; 770 771 default: 772 // Nothing to do 773 } 774 775 if (needUpdate) { 776 mSettings.updateIntentFilterVerificationStatusLPw( 777 packageName, updatedStatus, userId); 778 scheduleWritePackageRestrictionsLocked(userId); 779 } 780 } 781 } 782 } 783 784 @Override 785 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 786 ActivityIntentInfo filter, String packageName) { 787 if (!hasValidDomains(filter)) { 788 return false; 789 } 790 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 791 if (ivs == null) { 792 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 793 packageName); 794 } 795 if (DEBUG_DOMAIN_VERIFICATION) { 796 Slog.d(TAG, "Adding verification filter for " + packageName + " : " + filter); 797 } 798 ivs.addFilter(filter); 799 return true; 800 } 801 802 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 803 int userId, int verificationId, String packageName) { 804 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 805 verifierUid, userId, packageName); 806 ivs.setPendingState(); 807 synchronized (mPackages) { 808 mIntentFilterVerificationStates.append(verificationId, ivs); 809 mCurrentIntentFilterVerifications.add(verificationId); 810 } 811 return ivs; 812 } 813 } 814 815 private static boolean hasValidDomains(ActivityIntentInfo filter) { 816 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 817 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 818 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 819 } 820 821 private IntentFilterVerifier mIntentFilterVerifier; 822 823 // Set of pending broadcasts for aggregating enable/disable of components. 824 static class PendingPackageBroadcasts { 825 // for each user id, a map of <package name -> components within that package> 826 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 827 828 public PendingPackageBroadcasts() { 829 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 830 } 831 832 public ArrayList<String> get(int userId, String packageName) { 833 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 834 return packages.get(packageName); 835 } 836 837 public void put(int userId, String packageName, ArrayList<String> components) { 838 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 839 packages.put(packageName, components); 840 } 841 842 public void remove(int userId, String packageName) { 843 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 844 if (packages != null) { 845 packages.remove(packageName); 846 } 847 } 848 849 public void remove(int userId) { 850 mUidMap.remove(userId); 851 } 852 853 public int userIdCount() { 854 return mUidMap.size(); 855 } 856 857 public int userIdAt(int n) { 858 return mUidMap.keyAt(n); 859 } 860 861 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 862 return mUidMap.get(userId); 863 } 864 865 public int size() { 866 // total number of pending broadcast entries across all userIds 867 int num = 0; 868 for (int i = 0; i< mUidMap.size(); i++) { 869 num += mUidMap.valueAt(i).size(); 870 } 871 return num; 872 } 873 874 public void clear() { 875 mUidMap.clear(); 876 } 877 878 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 879 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 880 if (map == null) { 881 map = new ArrayMap<String, ArrayList<String>>(); 882 mUidMap.put(userId, map); 883 } 884 return map; 885 } 886 } 887 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 888 889 // Service Connection to remote media container service to copy 890 // package uri's from external media onto secure containers 891 // or internal storage. 892 private IMediaContainerService mContainerService = null; 893 894 static final int SEND_PENDING_BROADCAST = 1; 895 static final int MCS_BOUND = 3; 896 static final int END_COPY = 4; 897 static final int INIT_COPY = 5; 898 static final int MCS_UNBIND = 6; 899 static final int START_CLEANING_PACKAGE = 7; 900 static final int FIND_INSTALL_LOC = 8; 901 static final int POST_INSTALL = 9; 902 static final int MCS_RECONNECT = 10; 903 static final int MCS_GIVE_UP = 11; 904 static final int UPDATED_MEDIA_STATUS = 12; 905 static final int WRITE_SETTINGS = 13; 906 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 907 static final int PACKAGE_VERIFIED = 15; 908 static final int CHECK_PENDING_VERIFICATION = 16; 909 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 910 static final int INTENT_FILTER_VERIFIED = 18; 911 912 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 913 914 // Delay time in millisecs 915 static final int BROADCAST_DELAY = 10 * 1000; 916 917 static UserManagerService sUserManager; 918 919 // Stores a list of users whose package restrictions file needs to be updated 920 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 921 922 final private DefaultContainerConnection mDefContainerConn = 923 new DefaultContainerConnection(); 924 class DefaultContainerConnection implements ServiceConnection { 925 public void onServiceConnected(ComponentName name, IBinder service) { 926 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 927 IMediaContainerService imcs = 928 IMediaContainerService.Stub.asInterface(service); 929 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 930 } 931 932 public void onServiceDisconnected(ComponentName name) { 933 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 934 } 935 } 936 937 // Recordkeeping of restore-after-install operations that are currently in flight 938 // between the Package Manager and the Backup Manager 939 class PostInstallData { 940 public InstallArgs args; 941 public PackageInstalledInfo res; 942 943 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 944 args = _a; 945 res = _r; 946 } 947 } 948 949 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 950 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 951 952 // XML tags for backup/restore of various bits of state 953 private static final String TAG_PREFERRED_BACKUP = "pa"; 954 private static final String TAG_DEFAULT_APPS = "da"; 955 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 956 957 final String mRequiredVerifierPackage; 958 final String mRequiredInstallerPackage; 959 960 private final PackageUsage mPackageUsage = new PackageUsage(); 961 962 private class PackageUsage { 963 private static final int WRITE_INTERVAL 964 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 965 966 private final Object mFileLock = new Object(); 967 private final AtomicLong mLastWritten = new AtomicLong(0); 968 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 969 970 private boolean mIsHistoricalPackageUsageAvailable = true; 971 972 boolean isHistoricalPackageUsageAvailable() { 973 return mIsHistoricalPackageUsageAvailable; 974 } 975 976 void write(boolean force) { 977 if (force) { 978 writeInternal(); 979 return; 980 } 981 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 982 && !DEBUG_DEXOPT) { 983 return; 984 } 985 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 986 new Thread("PackageUsage_DiskWriter") { 987 @Override 988 public void run() { 989 try { 990 writeInternal(); 991 } finally { 992 mBackgroundWriteRunning.set(false); 993 } 994 } 995 }.start(); 996 } 997 } 998 999 private void writeInternal() { 1000 synchronized (mPackages) { 1001 synchronized (mFileLock) { 1002 AtomicFile file = getFile(); 1003 FileOutputStream f = null; 1004 try { 1005 f = file.startWrite(); 1006 BufferedOutputStream out = new BufferedOutputStream(f); 1007 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1008 StringBuilder sb = new StringBuilder(); 1009 for (PackageParser.Package pkg : mPackages.values()) { 1010 if (pkg.mLastPackageUsageTimeInMills == 0) { 1011 continue; 1012 } 1013 sb.setLength(0); 1014 sb.append(pkg.packageName); 1015 sb.append(' '); 1016 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1017 sb.append('\n'); 1018 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1019 } 1020 out.flush(); 1021 file.finishWrite(f); 1022 } catch (IOException e) { 1023 if (f != null) { 1024 file.failWrite(f); 1025 } 1026 Log.e(TAG, "Failed to write package usage times", e); 1027 } 1028 } 1029 } 1030 mLastWritten.set(SystemClock.elapsedRealtime()); 1031 } 1032 1033 void readLP() { 1034 synchronized (mFileLock) { 1035 AtomicFile file = getFile(); 1036 BufferedInputStream in = null; 1037 try { 1038 in = new BufferedInputStream(file.openRead()); 1039 StringBuffer sb = new StringBuffer(); 1040 while (true) { 1041 String packageName = readToken(in, sb, ' '); 1042 if (packageName == null) { 1043 break; 1044 } 1045 String timeInMillisString = readToken(in, sb, '\n'); 1046 if (timeInMillisString == null) { 1047 throw new IOException("Failed to find last usage time for package " 1048 + packageName); 1049 } 1050 PackageParser.Package pkg = mPackages.get(packageName); 1051 if (pkg == null) { 1052 continue; 1053 } 1054 long timeInMillis; 1055 try { 1056 timeInMillis = Long.parseLong(timeInMillisString.toString()); 1057 } catch (NumberFormatException e) { 1058 throw new IOException("Failed to parse " + timeInMillisString 1059 + " as a long.", e); 1060 } 1061 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1062 } 1063 } catch (FileNotFoundException expected) { 1064 mIsHistoricalPackageUsageAvailable = false; 1065 } catch (IOException e) { 1066 Log.w(TAG, "Failed to read package usage times", e); 1067 } finally { 1068 IoUtils.closeQuietly(in); 1069 } 1070 } 1071 mLastWritten.set(SystemClock.elapsedRealtime()); 1072 } 1073 1074 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1075 throws IOException { 1076 sb.setLength(0); 1077 while (true) { 1078 int ch = in.read(); 1079 if (ch == -1) { 1080 if (sb.length() == 0) { 1081 return null; 1082 } 1083 throw new IOException("Unexpected EOF"); 1084 } 1085 if (ch == endOfToken) { 1086 return sb.toString(); 1087 } 1088 sb.append((char)ch); 1089 } 1090 } 1091 1092 private AtomicFile getFile() { 1093 File dataDir = Environment.getDataDirectory(); 1094 File systemDir = new File(dataDir, "system"); 1095 File fname = new File(systemDir, "package-usage.list"); 1096 return new AtomicFile(fname); 1097 } 1098 } 1099 1100 class PackageHandler extends Handler { 1101 private boolean mBound = false; 1102 final ArrayList<HandlerParams> mPendingInstalls = 1103 new ArrayList<HandlerParams>(); 1104 1105 private boolean connectToService() { 1106 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1107 " DefaultContainerService"); 1108 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1109 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1110 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1111 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1112 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1113 mBound = true; 1114 return true; 1115 } 1116 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1117 return false; 1118 } 1119 1120 private void disconnectService() { 1121 mContainerService = null; 1122 mBound = false; 1123 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1124 mContext.unbindService(mDefContainerConn); 1125 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1126 } 1127 1128 PackageHandler(Looper looper) { 1129 super(looper); 1130 } 1131 1132 public void handleMessage(Message msg) { 1133 try { 1134 doHandleMessage(msg); 1135 } finally { 1136 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1137 } 1138 } 1139 1140 void doHandleMessage(Message msg) { 1141 switch (msg.what) { 1142 case INIT_COPY: { 1143 HandlerParams params = (HandlerParams) msg.obj; 1144 int idx = mPendingInstalls.size(); 1145 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1146 // If a bind was already initiated we dont really 1147 // need to do anything. The pending install 1148 // will be processed later on. 1149 if (!mBound) { 1150 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1151 System.identityHashCode(mHandler)); 1152 // If this is the only one pending we might 1153 // have to bind to the service again. 1154 if (!connectToService()) { 1155 Slog.e(TAG, "Failed to bind to media container service"); 1156 params.serviceError(); 1157 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1158 System.identityHashCode(mHandler)); 1159 if (params.traceMethod != null) { 1160 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1161 params.traceCookie); 1162 } 1163 return; 1164 } else { 1165 // Once we bind to the service, the first 1166 // pending request will be processed. 1167 mPendingInstalls.add(idx, params); 1168 } 1169 } else { 1170 mPendingInstalls.add(idx, params); 1171 // Already bound to the service. Just make 1172 // sure we trigger off processing the first request. 1173 if (idx == 0) { 1174 mHandler.sendEmptyMessage(MCS_BOUND); 1175 } 1176 } 1177 break; 1178 } 1179 case MCS_BOUND: { 1180 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1181 if (msg.obj != null) { 1182 mContainerService = (IMediaContainerService) msg.obj; 1183 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1184 System.identityHashCode(mHandler)); 1185 } 1186 if (mContainerService == null) { 1187 if (!mBound) { 1188 // Something seriously wrong since we are not bound and we are not 1189 // waiting for connection. Bail out. 1190 Slog.e(TAG, "Cannot bind to media container service"); 1191 for (HandlerParams params : mPendingInstalls) { 1192 // Indicate service bind error 1193 params.serviceError(); 1194 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1195 System.identityHashCode(params)); 1196 if (params.traceMethod != null) { 1197 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1198 params.traceMethod, params.traceCookie); 1199 } 1200 return; 1201 } 1202 mPendingInstalls.clear(); 1203 } else { 1204 Slog.w(TAG, "Waiting to connect to media container service"); 1205 } 1206 } else if (mPendingInstalls.size() > 0) { 1207 HandlerParams params = mPendingInstalls.get(0); 1208 if (params != null) { 1209 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1210 System.identityHashCode(params)); 1211 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1212 if (params.startCopy()) { 1213 // We are done... look for more work or to 1214 // go idle. 1215 if (DEBUG_SD_INSTALL) Log.i(TAG, 1216 "Checking for more work or unbind..."); 1217 // Delete pending install 1218 if (mPendingInstalls.size() > 0) { 1219 mPendingInstalls.remove(0); 1220 } 1221 if (mPendingInstalls.size() == 0) { 1222 if (mBound) { 1223 if (DEBUG_SD_INSTALL) Log.i(TAG, 1224 "Posting delayed MCS_UNBIND"); 1225 removeMessages(MCS_UNBIND); 1226 Message ubmsg = obtainMessage(MCS_UNBIND); 1227 // Unbind after a little delay, to avoid 1228 // continual thrashing. 1229 sendMessageDelayed(ubmsg, 10000); 1230 } 1231 } else { 1232 // There are more pending requests in queue. 1233 // Just post MCS_BOUND message to trigger processing 1234 // of next pending install. 1235 if (DEBUG_SD_INSTALL) Log.i(TAG, 1236 "Posting MCS_BOUND for next work"); 1237 mHandler.sendEmptyMessage(MCS_BOUND); 1238 } 1239 } 1240 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1241 } 1242 } else { 1243 // Should never happen ideally. 1244 Slog.w(TAG, "Empty queue"); 1245 } 1246 break; 1247 } 1248 case MCS_RECONNECT: { 1249 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1250 if (mPendingInstalls.size() > 0) { 1251 if (mBound) { 1252 disconnectService(); 1253 } 1254 if (!connectToService()) { 1255 Slog.e(TAG, "Failed to bind to media container service"); 1256 for (HandlerParams params : mPendingInstalls) { 1257 // Indicate service bind error 1258 params.serviceError(); 1259 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1260 System.identityHashCode(params)); 1261 } 1262 mPendingInstalls.clear(); 1263 } 1264 } 1265 break; 1266 } 1267 case MCS_UNBIND: { 1268 // If there is no actual work left, then time to unbind. 1269 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1270 1271 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1272 if (mBound) { 1273 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1274 1275 disconnectService(); 1276 } 1277 } else if (mPendingInstalls.size() > 0) { 1278 // There are more pending requests in queue. 1279 // Just post MCS_BOUND message to trigger processing 1280 // of next pending install. 1281 mHandler.sendEmptyMessage(MCS_BOUND); 1282 } 1283 1284 break; 1285 } 1286 case MCS_GIVE_UP: { 1287 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1288 HandlerParams params = mPendingInstalls.remove(0); 1289 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1290 System.identityHashCode(params)); 1291 break; 1292 } 1293 case SEND_PENDING_BROADCAST: { 1294 String packages[]; 1295 ArrayList<String> components[]; 1296 int size = 0; 1297 int uids[]; 1298 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1299 synchronized (mPackages) { 1300 if (mPendingBroadcasts == null) { 1301 return; 1302 } 1303 size = mPendingBroadcasts.size(); 1304 if (size <= 0) { 1305 // Nothing to be done. Just return 1306 return; 1307 } 1308 packages = new String[size]; 1309 components = new ArrayList[size]; 1310 uids = new int[size]; 1311 int i = 0; // filling out the above arrays 1312 1313 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1314 int packageUserId = mPendingBroadcasts.userIdAt(n); 1315 Iterator<Map.Entry<String, ArrayList<String>>> it 1316 = mPendingBroadcasts.packagesForUserId(packageUserId) 1317 .entrySet().iterator(); 1318 while (it.hasNext() && i < size) { 1319 Map.Entry<String, ArrayList<String>> ent = it.next(); 1320 packages[i] = ent.getKey(); 1321 components[i] = ent.getValue(); 1322 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1323 uids[i] = (ps != null) 1324 ? UserHandle.getUid(packageUserId, ps.appId) 1325 : -1; 1326 i++; 1327 } 1328 } 1329 size = i; 1330 mPendingBroadcasts.clear(); 1331 } 1332 // Send broadcasts 1333 for (int i = 0; i < size; i++) { 1334 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1335 } 1336 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1337 break; 1338 } 1339 case START_CLEANING_PACKAGE: { 1340 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1341 final String packageName = (String)msg.obj; 1342 final int userId = msg.arg1; 1343 final boolean andCode = msg.arg2 != 0; 1344 synchronized (mPackages) { 1345 if (userId == UserHandle.USER_ALL) { 1346 int[] users = sUserManager.getUserIds(); 1347 for (int user : users) { 1348 mSettings.addPackageToCleanLPw( 1349 new PackageCleanItem(user, packageName, andCode)); 1350 } 1351 } else { 1352 mSettings.addPackageToCleanLPw( 1353 new PackageCleanItem(userId, packageName, andCode)); 1354 } 1355 } 1356 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1357 startCleaningPackages(); 1358 } break; 1359 case POST_INSTALL: { 1360 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1361 PostInstallData data = mRunningInstalls.get(msg.arg1); 1362 mRunningInstalls.delete(msg.arg1); 1363 boolean deleteOld = false; 1364 1365 if (data != null) { 1366 InstallArgs args = data.args; 1367 PackageInstalledInfo res = data.res; 1368 1369 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1370 final String packageName = res.pkg.applicationInfo.packageName; 1371 res.removedInfo.sendBroadcast(false, true, false); 1372 Bundle extras = new Bundle(1); 1373 extras.putInt(Intent.EXTRA_UID, res.uid); 1374 1375 // Now that we successfully installed the package, grant runtime 1376 // permissions if requested before broadcasting the install. 1377 if ((args.installFlags 1378 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) { 1379 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1380 args.installGrantPermissions); 1381 } 1382 1383 // Determine the set of users who are adding this 1384 // package for the first time vs. those who are seeing 1385 // an update. 1386 int[] firstUsers; 1387 int[] updateUsers = new int[0]; 1388 if (res.origUsers == null || res.origUsers.length == 0) { 1389 firstUsers = res.newUsers; 1390 } else { 1391 firstUsers = new int[0]; 1392 for (int i=0; i<res.newUsers.length; i++) { 1393 int user = res.newUsers[i]; 1394 boolean isNew = true; 1395 for (int j=0; j<res.origUsers.length; j++) { 1396 if (res.origUsers[j] == user) { 1397 isNew = false; 1398 break; 1399 } 1400 } 1401 if (isNew) { 1402 int[] newFirst = new int[firstUsers.length+1]; 1403 System.arraycopy(firstUsers, 0, newFirst, 0, 1404 firstUsers.length); 1405 newFirst[firstUsers.length] = user; 1406 firstUsers = newFirst; 1407 } else { 1408 int[] newUpdate = new int[updateUsers.length+1]; 1409 System.arraycopy(updateUsers, 0, newUpdate, 0, 1410 updateUsers.length); 1411 newUpdate[updateUsers.length] = user; 1412 updateUsers = newUpdate; 1413 } 1414 } 1415 } 1416 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1417 packageName, extras, null, null, firstUsers); 1418 final boolean update = res.removedInfo.removedPackage != null; 1419 if (update) { 1420 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1421 } 1422 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1423 packageName, extras, null, null, updateUsers); 1424 if (update) { 1425 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1426 packageName, extras, null, null, updateUsers); 1427 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1428 null, null, packageName, null, updateUsers); 1429 1430 // treat asec-hosted packages like removable media on upgrade 1431 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1432 if (DEBUG_INSTALL) { 1433 Slog.i(TAG, "upgrading pkg " + res.pkg 1434 + " is ASEC-hosted -> AVAILABLE"); 1435 } 1436 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1437 ArrayList<String> pkgList = new ArrayList<String>(1); 1438 pkgList.add(packageName); 1439 sendResourcesChangedBroadcast(true, true, 1440 pkgList,uidArray, null); 1441 } 1442 } 1443 if (res.removedInfo.args != null) { 1444 // Remove the replaced package's older resources safely now 1445 deleteOld = true; 1446 } 1447 1448 // If this app is a browser and it's newly-installed for some 1449 // users, clear any default-browser state in those users 1450 if (firstUsers.length > 0) { 1451 // the app's nature doesn't depend on the user, so we can just 1452 // check its browser nature in any user and generalize. 1453 if (packageIsBrowser(packageName, firstUsers[0])) { 1454 synchronized (mPackages) { 1455 for (int userId : firstUsers) { 1456 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1457 } 1458 } 1459 } 1460 } 1461 // Log current value of "unknown sources" setting 1462 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1463 getUnknownSourcesSettings()); 1464 } 1465 // Force a gc to clear up things 1466 Runtime.getRuntime().gc(); 1467 // We delete after a gc for applications on sdcard. 1468 if (deleteOld) { 1469 synchronized (mInstallLock) { 1470 res.removedInfo.args.doPostDeleteLI(true); 1471 } 1472 } 1473 if (args.observer != null) { 1474 try { 1475 Bundle extras = extrasForInstallResult(res); 1476 args.observer.onPackageInstalled(res.name, res.returnCode, 1477 res.returnMsg, extras); 1478 } catch (RemoteException e) { 1479 Slog.i(TAG, "Observer no longer exists."); 1480 } 1481 } 1482 if (args.traceMethod != null) { 1483 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1484 args.traceCookie); 1485 } 1486 return; 1487 } else { 1488 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1489 } 1490 1491 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1492 } break; 1493 case UPDATED_MEDIA_STATUS: { 1494 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1495 boolean reportStatus = msg.arg1 == 1; 1496 boolean doGc = msg.arg2 == 1; 1497 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1498 if (doGc) { 1499 // Force a gc to clear up stale containers. 1500 Runtime.getRuntime().gc(); 1501 } 1502 if (msg.obj != null) { 1503 @SuppressWarnings("unchecked") 1504 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1505 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1506 // Unload containers 1507 unloadAllContainers(args); 1508 } 1509 if (reportStatus) { 1510 try { 1511 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1512 PackageHelper.getMountService().finishMediaUpdate(); 1513 } catch (RemoteException e) { 1514 Log.e(TAG, "MountService not running?"); 1515 } 1516 } 1517 } break; 1518 case WRITE_SETTINGS: { 1519 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1520 synchronized (mPackages) { 1521 removeMessages(WRITE_SETTINGS); 1522 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1523 mSettings.writeLPr(); 1524 mDirtyUsers.clear(); 1525 } 1526 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1527 } break; 1528 case WRITE_PACKAGE_RESTRICTIONS: { 1529 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1530 synchronized (mPackages) { 1531 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1532 for (int userId : mDirtyUsers) { 1533 mSettings.writePackageRestrictionsLPr(userId); 1534 } 1535 mDirtyUsers.clear(); 1536 } 1537 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1538 } break; 1539 case CHECK_PENDING_VERIFICATION: { 1540 final int verificationId = msg.arg1; 1541 final PackageVerificationState state = mPendingVerification.get(verificationId); 1542 1543 if ((state != null) && !state.timeoutExtended()) { 1544 final InstallArgs args = state.getInstallArgs(); 1545 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1546 1547 Slog.i(TAG, "Verification timed out for " + originUri); 1548 mPendingVerification.remove(verificationId); 1549 1550 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1551 1552 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1553 Slog.i(TAG, "Continuing with installation of " + originUri); 1554 state.setVerifierResponse(Binder.getCallingUid(), 1555 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1556 broadcastPackageVerified(verificationId, originUri, 1557 PackageManager.VERIFICATION_ALLOW, 1558 state.getInstallArgs().getUser()); 1559 try { 1560 ret = args.copyApk(mContainerService, true); 1561 } catch (RemoteException e) { 1562 Slog.e(TAG, "Could not contact the ContainerService"); 1563 } 1564 } else { 1565 broadcastPackageVerified(verificationId, originUri, 1566 PackageManager.VERIFICATION_REJECT, 1567 state.getInstallArgs().getUser()); 1568 } 1569 1570 Trace.asyncTraceEnd( 1571 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1572 1573 processPendingInstall(args, ret); 1574 mHandler.sendEmptyMessage(MCS_UNBIND); 1575 } 1576 break; 1577 } 1578 case PACKAGE_VERIFIED: { 1579 final int verificationId = msg.arg1; 1580 1581 final PackageVerificationState state = mPendingVerification.get(verificationId); 1582 if (state == null) { 1583 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1584 break; 1585 } 1586 1587 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1588 1589 state.setVerifierResponse(response.callerUid, response.code); 1590 1591 if (state.isVerificationComplete()) { 1592 mPendingVerification.remove(verificationId); 1593 1594 final InstallArgs args = state.getInstallArgs(); 1595 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1596 1597 int ret; 1598 if (state.isInstallAllowed()) { 1599 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1600 broadcastPackageVerified(verificationId, originUri, 1601 response.code, state.getInstallArgs().getUser()); 1602 try { 1603 ret = args.copyApk(mContainerService, true); 1604 } catch (RemoteException e) { 1605 Slog.e(TAG, "Could not contact the ContainerService"); 1606 } 1607 } else { 1608 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1609 } 1610 1611 Trace.asyncTraceEnd( 1612 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1613 1614 processPendingInstall(args, ret); 1615 mHandler.sendEmptyMessage(MCS_UNBIND); 1616 } 1617 1618 break; 1619 } 1620 case START_INTENT_FILTER_VERIFICATIONS: { 1621 IFVerificationParams params = (IFVerificationParams) msg.obj; 1622 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1623 params.replacing, params.pkg); 1624 break; 1625 } 1626 case INTENT_FILTER_VERIFIED: { 1627 final int verificationId = msg.arg1; 1628 1629 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1630 verificationId); 1631 if (state == null) { 1632 Slog.w(TAG, "Invalid IntentFilter verification token " 1633 + verificationId + " received"); 1634 break; 1635 } 1636 1637 final int userId = state.getUserId(); 1638 1639 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1640 "Processing IntentFilter verification with token:" 1641 + verificationId + " and userId:" + userId); 1642 1643 final IntentFilterVerificationResponse response = 1644 (IntentFilterVerificationResponse) msg.obj; 1645 1646 state.setVerifierResponse(response.callerUid, response.code); 1647 1648 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1649 "IntentFilter verification with token:" + verificationId 1650 + " and userId:" + userId 1651 + " is settings verifier response with response code:" 1652 + response.code); 1653 1654 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1655 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1656 + response.getFailedDomainsString()); 1657 } 1658 1659 if (state.isVerificationComplete()) { 1660 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1661 } else { 1662 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1663 "IntentFilter verification with token:" + verificationId 1664 + " was not said to be complete"); 1665 } 1666 1667 break; 1668 } 1669 } 1670 } 1671 } 1672 1673 private StorageEventListener mStorageListener = new StorageEventListener() { 1674 @Override 1675 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1676 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1677 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1678 final String volumeUuid = vol.getFsUuid(); 1679 1680 // Clean up any users or apps that were removed or recreated 1681 // while this volume was missing 1682 reconcileUsers(volumeUuid); 1683 reconcileApps(volumeUuid); 1684 1685 // Clean up any install sessions that expired or were 1686 // cancelled while this volume was missing 1687 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1688 1689 loadPrivatePackages(vol); 1690 1691 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1692 unloadPrivatePackages(vol); 1693 } 1694 } 1695 1696 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1697 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1698 updateExternalMediaStatus(true, false); 1699 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1700 updateExternalMediaStatus(false, false); 1701 } 1702 } 1703 } 1704 1705 @Override 1706 public void onVolumeForgotten(String fsUuid) { 1707 if (TextUtils.isEmpty(fsUuid)) { 1708 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1709 return; 1710 } 1711 1712 // Remove any apps installed on the forgotten volume 1713 synchronized (mPackages) { 1714 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1715 for (PackageSetting ps : packages) { 1716 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1717 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1718 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1719 } 1720 1721 mSettings.onVolumeForgotten(fsUuid); 1722 mSettings.writeLPr(); 1723 } 1724 } 1725 }; 1726 1727 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1728 String[] grantedPermissions) { 1729 if (userId >= UserHandle.USER_SYSTEM) { 1730 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1731 } else if (userId == UserHandle.USER_ALL) { 1732 final int[] userIds; 1733 synchronized (mPackages) { 1734 userIds = UserManagerService.getInstance().getUserIds(); 1735 } 1736 for (int someUserId : userIds) { 1737 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1738 } 1739 } 1740 1741 // We could have touched GID membership, so flush out packages.list 1742 synchronized (mPackages) { 1743 mSettings.writePackageListLPr(); 1744 } 1745 } 1746 1747 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1748 String[] grantedPermissions) { 1749 SettingBase sb = (SettingBase) pkg.mExtras; 1750 if (sb == null) { 1751 return; 1752 } 1753 1754 PermissionsState permissionsState = sb.getPermissionsState(); 1755 1756 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1757 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1758 1759 synchronized (mPackages) { 1760 for (String permission : pkg.requestedPermissions) { 1761 BasePermission bp = mSettings.mPermissions.get(permission); 1762 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1763 && (grantedPermissions == null 1764 || ArrayUtils.contains(grantedPermissions, permission))) { 1765 final int flags = permissionsState.getPermissionFlags(permission, userId); 1766 // Installer cannot change immutable permissions. 1767 if ((flags & immutableFlags) == 0) { 1768 grantRuntimePermission(pkg.packageName, permission, userId); 1769 } 1770 } 1771 } 1772 } 1773 } 1774 1775 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1776 Bundle extras = null; 1777 switch (res.returnCode) { 1778 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1779 extras = new Bundle(); 1780 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1781 res.origPermission); 1782 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1783 res.origPackage); 1784 break; 1785 } 1786 case PackageManager.INSTALL_SUCCEEDED: { 1787 extras = new Bundle(); 1788 extras.putBoolean(Intent.EXTRA_REPLACING, 1789 res.removedInfo != null && res.removedInfo.removedPackage != null); 1790 break; 1791 } 1792 } 1793 return extras; 1794 } 1795 1796 void scheduleWriteSettingsLocked() { 1797 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1798 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1799 } 1800 } 1801 1802 void scheduleWritePackageRestrictionsLocked(int userId) { 1803 if (!sUserManager.exists(userId)) return; 1804 mDirtyUsers.add(userId); 1805 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1806 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1807 } 1808 } 1809 1810 public static PackageManagerService main(Context context, Installer installer, 1811 boolean factoryTest, boolean onlyCore) { 1812 PackageManagerService m = new PackageManagerService(context, installer, 1813 factoryTest, onlyCore); 1814 m.enableSystemUserApps(); 1815 ServiceManager.addService("package", m); 1816 return m; 1817 } 1818 1819 private void enableSystemUserApps() { 1820 if (!UserManager.isSplitSystemUser()) { 1821 return; 1822 } 1823 // For system user, enable apps based on the following conditions: 1824 // - app is whitelisted or belong to one of these groups: 1825 // -- system app which has no launcher icons 1826 // -- system app which has INTERACT_ACROSS_USERS permission 1827 // -- system IME app 1828 // - app is not in the blacklist 1829 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1830 Set<String> enableApps = new ArraySet<>(); 1831 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1832 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1833 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1834 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1835 enableApps.addAll(wlApps); 1836 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1837 enableApps.removeAll(blApps); 1838 1839 List<String> systemApps = queryHelper.queryApps(0, /* systemAppsOnly */ true, 1840 UserHandle.SYSTEM); 1841 final int systemAppsSize = systemApps.size(); 1842 synchronized (mPackages) { 1843 for (int i = 0; i < systemAppsSize; i++) { 1844 String pName = systemApps.get(i); 1845 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1846 // Should not happen, but we shouldn't be failing if it does 1847 if (pkgSetting == null) { 1848 continue; 1849 } 1850 boolean installed = enableApps.contains(pName); 1851 pkgSetting.setInstalled(installed, UserHandle.USER_SYSTEM); 1852 } 1853 } 1854 } 1855 1856 static String[] splitString(String str, char sep) { 1857 int count = 1; 1858 int i = 0; 1859 while ((i=str.indexOf(sep, i)) >= 0) { 1860 count++; 1861 i++; 1862 } 1863 1864 String[] res = new String[count]; 1865 i=0; 1866 count = 0; 1867 int lastI=0; 1868 while ((i=str.indexOf(sep, i)) >= 0) { 1869 res[count] = str.substring(lastI, i); 1870 count++; 1871 i++; 1872 lastI = i; 1873 } 1874 res[count] = str.substring(lastI, str.length()); 1875 return res; 1876 } 1877 1878 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1879 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1880 Context.DISPLAY_SERVICE); 1881 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1882 } 1883 1884 public PackageManagerService(Context context, Installer installer, 1885 boolean factoryTest, boolean onlyCore) { 1886 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1887 SystemClock.uptimeMillis()); 1888 1889 if (mSdkVersion <= 0) { 1890 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1891 } 1892 1893 mContext = context; 1894 mFactoryTest = factoryTest; 1895 mOnlyCore = onlyCore; 1896 mMetrics = new DisplayMetrics(); 1897 mSettings = new Settings(mPackages); 1898 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1899 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1900 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1901 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1902 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1903 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1904 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1905 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1906 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1907 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1908 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1909 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1910 1911 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1912 if (separateProcesses != null && separateProcesses.length() > 0) { 1913 if ("*".equals(separateProcesses)) { 1914 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1915 mSeparateProcesses = null; 1916 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1917 } else { 1918 mDefParseFlags = 0; 1919 mSeparateProcesses = separateProcesses.split(","); 1920 Slog.w(TAG, "Running with debug.separate_processes: " 1921 + separateProcesses); 1922 } 1923 } else { 1924 mDefParseFlags = 0; 1925 mSeparateProcesses = null; 1926 } 1927 1928 mInstaller = installer; 1929 mPackageDexOptimizer = new PackageDexOptimizer(this); 1930 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1931 1932 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1933 FgThread.get().getLooper()); 1934 1935 getDefaultDisplayMetrics(context, mMetrics); 1936 1937 SystemConfig systemConfig = SystemConfig.getInstance(); 1938 mGlobalGids = systemConfig.getGlobalGids(); 1939 mSystemPermissions = systemConfig.getSystemPermissions(); 1940 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1941 1942 synchronized (mInstallLock) { 1943 // writer 1944 synchronized (mPackages) { 1945 mHandlerThread = new ServiceThread(TAG, 1946 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1947 mHandlerThread.start(); 1948 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1949 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1950 1951 File dataDir = Environment.getDataDirectory(); 1952 mAppDataDir = new File(dataDir, "data"); 1953 mAppInstallDir = new File(dataDir, "app"); 1954 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1955 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1956 mUserAppDataDir = new File(dataDir, "user"); 1957 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1958 1959 sUserManager = new UserManagerService(context, this, mPackages); 1960 1961 // Propagate permission configuration in to package manager. 1962 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1963 = systemConfig.getPermissions(); 1964 for (int i=0; i<permConfig.size(); i++) { 1965 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1966 BasePermission bp = mSettings.mPermissions.get(perm.name); 1967 if (bp == null) { 1968 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1969 mSettings.mPermissions.put(perm.name, bp); 1970 } 1971 if (perm.gids != null) { 1972 bp.setGids(perm.gids, perm.perUser); 1973 } 1974 } 1975 1976 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1977 for (int i=0; i<libConfig.size(); i++) { 1978 mSharedLibraries.put(libConfig.keyAt(i), 1979 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1980 } 1981 1982 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1983 1984 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 1985 1986 String customResolverActivity = Resources.getSystem().getString( 1987 R.string.config_customResolverActivity); 1988 if (TextUtils.isEmpty(customResolverActivity)) { 1989 customResolverActivity = null; 1990 } else { 1991 mCustomResolverComponentName = ComponentName.unflattenFromString( 1992 customResolverActivity); 1993 } 1994 1995 long startTime = SystemClock.uptimeMillis(); 1996 1997 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1998 startTime); 1999 2000 // Set flag to monitor and not change apk file paths when 2001 // scanning install directories. 2002 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2003 2004 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2005 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2006 2007 if (bootClassPath == null) { 2008 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2009 } 2010 2011 if (systemServerClassPath == null) { 2012 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2013 } 2014 2015 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2016 final String[] dexCodeInstructionSets = 2017 getDexCodeInstructionSets( 2018 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2019 2020 /** 2021 * Ensure all external libraries have had dexopt run on them. 2022 */ 2023 if (mSharedLibraries.size() > 0) { 2024 // NOTE: For now, we're compiling these system "shared libraries" 2025 // (and framework jars) into all available architectures. It's possible 2026 // to compile them only when we come across an app that uses them (there's 2027 // already logic for that in scanPackageLI) but that adds some complexity. 2028 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2029 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2030 final String lib = libEntry.path; 2031 if (lib == null) { 2032 continue; 2033 } 2034 2035 try { 2036 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2037 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2038 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2039 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/); 2040 } 2041 } catch (FileNotFoundException e) { 2042 Slog.w(TAG, "Library not found: " + lib); 2043 } catch (IOException e) { 2044 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2045 + e.getMessage()); 2046 } 2047 } 2048 } 2049 } 2050 2051 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2052 2053 final VersionInfo ver = mSettings.getInternalVersion(); 2054 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2055 // when upgrading from pre-M, promote system app permissions from install to runtime 2056 mPromoteSystemApps = 2057 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2058 2059 // save off the names of pre-existing system packages prior to scanning; we don't 2060 // want to automatically grant runtime permissions for new system apps 2061 if (mPromoteSystemApps) { 2062 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2063 while (pkgSettingIter.hasNext()) { 2064 PackageSetting ps = pkgSettingIter.next(); 2065 if (isSystemApp(ps)) { 2066 mExistingSystemPackages.add(ps.name); 2067 } 2068 } 2069 } 2070 2071 // Collect vendor overlay packages. 2072 // (Do this before scanning any apps.) 2073 // For security and version matching reason, only consider 2074 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2075 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2076 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2077 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2078 2079 // Find base frameworks (resource packages without code). 2080 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2081 | PackageParser.PARSE_IS_SYSTEM_DIR 2082 | PackageParser.PARSE_IS_PRIVILEGED, 2083 scanFlags | SCAN_NO_DEX, 0); 2084 2085 // Collected privileged system packages. 2086 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2087 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2088 | PackageParser.PARSE_IS_SYSTEM_DIR 2089 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2090 2091 // Collect ordinary system packages. 2092 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2093 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2094 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2095 2096 // Collect all vendor packages. 2097 File vendorAppDir = new File("/vendor/app"); 2098 try { 2099 vendorAppDir = vendorAppDir.getCanonicalFile(); 2100 } catch (IOException e) { 2101 // failed to look up canonical path, continue with original one 2102 } 2103 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2104 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2105 2106 // Collect all OEM packages. 2107 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2108 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2109 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2110 2111 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2112 mInstaller.moveFiles(); 2113 2114 // Prune any system packages that no longer exist. 2115 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2116 if (!mOnlyCore) { 2117 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2118 while (psit.hasNext()) { 2119 PackageSetting ps = psit.next(); 2120 2121 /* 2122 * If this is not a system app, it can't be a 2123 * disable system app. 2124 */ 2125 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2126 continue; 2127 } 2128 2129 /* 2130 * If the package is scanned, it's not erased. 2131 */ 2132 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2133 if (scannedPkg != null) { 2134 /* 2135 * If the system app is both scanned and in the 2136 * disabled packages list, then it must have been 2137 * added via OTA. Remove it from the currently 2138 * scanned package so the previously user-installed 2139 * application can be scanned. 2140 */ 2141 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2142 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2143 + ps.name + "; removing system app. Last known codePath=" 2144 + ps.codePathString + ", installStatus=" + ps.installStatus 2145 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2146 + scannedPkg.mVersionCode); 2147 removePackageLI(ps, true); 2148 mExpectingBetter.put(ps.name, ps.codePath); 2149 } 2150 2151 continue; 2152 } 2153 2154 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2155 psit.remove(); 2156 logCriticalInfo(Log.WARN, "System package " + ps.name 2157 + " no longer exists; wiping its data"); 2158 removeDataDirsLI(null, ps.name); 2159 } else { 2160 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2161 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2162 possiblyDeletedUpdatedSystemApps.add(ps.name); 2163 } 2164 } 2165 } 2166 } 2167 2168 //look for any incomplete package installations 2169 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2170 //clean up list 2171 for(int i = 0; i < deletePkgsList.size(); i++) { 2172 //clean up here 2173 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2174 } 2175 //delete tmp files 2176 deleteTempPackageFiles(); 2177 2178 // Remove any shared userIDs that have no associated packages 2179 mSettings.pruneSharedUsersLPw(); 2180 2181 if (!mOnlyCore) { 2182 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2183 SystemClock.uptimeMillis()); 2184 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2185 2186 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2187 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2188 2189 /** 2190 * Remove disable package settings for any updated system 2191 * apps that were removed via an OTA. If they're not a 2192 * previously-updated app, remove them completely. 2193 * Otherwise, just revoke their system-level permissions. 2194 */ 2195 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2196 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2197 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2198 2199 String msg; 2200 if (deletedPkg == null) { 2201 msg = "Updated system package " + deletedAppName 2202 + " no longer exists; wiping its data"; 2203 removeDataDirsLI(null, deletedAppName); 2204 } else { 2205 msg = "Updated system app + " + deletedAppName 2206 + " no longer present; removing system privileges for " 2207 + deletedAppName; 2208 2209 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2210 2211 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2212 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2213 } 2214 logCriticalInfo(Log.WARN, msg); 2215 } 2216 2217 /** 2218 * Make sure all system apps that we expected to appear on 2219 * the userdata partition actually showed up. If they never 2220 * appeared, crawl back and revive the system version. 2221 */ 2222 for (int i = 0; i < mExpectingBetter.size(); i++) { 2223 final String packageName = mExpectingBetter.keyAt(i); 2224 if (!mPackages.containsKey(packageName)) { 2225 final File scanFile = mExpectingBetter.valueAt(i); 2226 2227 logCriticalInfo(Log.WARN, "Expected better " + packageName 2228 + " but never showed up; reverting to system"); 2229 2230 final int reparseFlags; 2231 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2232 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2233 | PackageParser.PARSE_IS_SYSTEM_DIR 2234 | PackageParser.PARSE_IS_PRIVILEGED; 2235 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2236 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2237 | PackageParser.PARSE_IS_SYSTEM_DIR; 2238 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2239 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2240 | PackageParser.PARSE_IS_SYSTEM_DIR; 2241 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2242 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2243 | PackageParser.PARSE_IS_SYSTEM_DIR; 2244 } else { 2245 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2246 continue; 2247 } 2248 2249 mSettings.enableSystemPackageLPw(packageName); 2250 2251 try { 2252 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2253 } catch (PackageManagerException e) { 2254 Slog.e(TAG, "Failed to parse original system package: " 2255 + e.getMessage()); 2256 } 2257 } 2258 } 2259 } 2260 mExpectingBetter.clear(); 2261 2262 // Now that we know all of the shared libraries, update all clients to have 2263 // the correct library paths. 2264 updateAllSharedLibrariesLPw(); 2265 2266 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2267 // NOTE: We ignore potential failures here during a system scan (like 2268 // the rest of the commands above) because there's precious little we 2269 // can do about it. A settings error is reported, though. 2270 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2271 false /* boot complete */); 2272 } 2273 2274 // Now that we know all the packages we are keeping, 2275 // read and update their last usage times. 2276 mPackageUsage.readLP(); 2277 2278 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2279 SystemClock.uptimeMillis()); 2280 Slog.i(TAG, "Time to scan packages: " 2281 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2282 + " seconds"); 2283 2284 // If the platform SDK has changed since the last time we booted, 2285 // we need to re-grant app permission to catch any new ones that 2286 // appear. This is really a hack, and means that apps can in some 2287 // cases get permissions that the user didn't initially explicitly 2288 // allow... it would be nice to have some better way to handle 2289 // this situation. 2290 int updateFlags = UPDATE_PERMISSIONS_ALL; 2291 if (ver.sdkVersion != mSdkVersion) { 2292 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2293 + mSdkVersion + "; regranting permissions for internal storage"); 2294 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2295 } 2296 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2297 ver.sdkVersion = mSdkVersion; 2298 2299 // If this is the first boot or an update from pre-M, and it is a normal 2300 // boot, then we need to initialize the default preferred apps across 2301 // all defined users. 2302 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2303 for (UserInfo user : sUserManager.getUsers(true)) { 2304 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2305 applyFactoryDefaultBrowserLPw(user.id); 2306 primeDomainVerificationsLPw(user.id); 2307 } 2308 } 2309 2310 // If this is first boot after an OTA, and a normal boot, then 2311 // we need to clear code cache directories. 2312 if (mIsUpgrade && !onlyCore) { 2313 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2314 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2315 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2316 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2317 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2318 } 2319 } 2320 ver.fingerprint = Build.FINGERPRINT; 2321 } 2322 2323 checkDefaultBrowser(); 2324 2325 // clear only after permissions and other defaults have been updated 2326 mExistingSystemPackages.clear(); 2327 mPromoteSystemApps = false; 2328 2329 // All the changes are done during package scanning. 2330 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2331 2332 // can downgrade to reader 2333 mSettings.writeLPr(); 2334 2335 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2336 SystemClock.uptimeMillis()); 2337 2338 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2339 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2340 2341 mInstallerService = new PackageInstallerService(context, this); 2342 2343 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2344 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2345 mIntentFilterVerifierComponent); 2346 2347 } // synchronized (mPackages) 2348 } // synchronized (mInstallLock) 2349 2350 // Now after opening every single application zip, make sure they 2351 // are all flushed. Not really needed, but keeps things nice and 2352 // tidy. 2353 Runtime.getRuntime().gc(); 2354 2355 // The initial scanning above does many calls into installd while 2356 // holding the mPackages lock, but we're mostly interested in yelling 2357 // once we have a booted system. 2358 mInstaller.setWarnIfHeld(mPackages); 2359 2360 // Expose private service for system components to use. 2361 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2362 } 2363 2364 @Override 2365 public boolean isFirstBoot() { 2366 return !mRestoredSettings; 2367 } 2368 2369 @Override 2370 public boolean isOnlyCoreApps() { 2371 return mOnlyCore; 2372 } 2373 2374 @Override 2375 public boolean isUpgrade() { 2376 return mIsUpgrade; 2377 } 2378 2379 private String getRequiredVerifierLPr() { 2380 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2381 // We only care about verifier that's installed under system user. 2382 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2383 PackageManager.GET_DISABLED_COMPONENTS, UserHandle.USER_SYSTEM); 2384 2385 String requiredVerifier = null; 2386 2387 final int N = receivers.size(); 2388 for (int i = 0; i < N; i++) { 2389 final ResolveInfo info = receivers.get(i); 2390 2391 if (info.activityInfo == null) { 2392 continue; 2393 } 2394 2395 final String packageName = info.activityInfo.packageName; 2396 2397 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2398 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2399 continue; 2400 } 2401 2402 if (requiredVerifier != null) { 2403 throw new RuntimeException("There can be only one required verifier"); 2404 } 2405 2406 requiredVerifier = packageName; 2407 } 2408 2409 return requiredVerifier; 2410 } 2411 2412 private String getRequiredInstallerLPr() { 2413 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2414 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2415 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2416 2417 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2418 PACKAGE_MIME_TYPE, 0, UserHandle.USER_SYSTEM); 2419 2420 String requiredInstaller = null; 2421 2422 final int N = installers.size(); 2423 for (int i = 0; i < N; i++) { 2424 final ResolveInfo info = installers.get(i); 2425 final String packageName = info.activityInfo.packageName; 2426 2427 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2428 continue; 2429 } 2430 2431 if (requiredInstaller != null) { 2432 throw new RuntimeException("There must be one required installer"); 2433 } 2434 2435 requiredInstaller = packageName; 2436 } 2437 2438 if (requiredInstaller == null) { 2439 throw new RuntimeException("There must be one required installer"); 2440 } 2441 2442 return requiredInstaller; 2443 } 2444 2445 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2446 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2447 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2448 PackageManager.GET_DISABLED_COMPONENTS, UserHandle.USER_SYSTEM); 2449 2450 ComponentName verifierComponentName = null; 2451 2452 int priority = -1000; 2453 final int N = receivers.size(); 2454 for (int i = 0; i < N; i++) { 2455 final ResolveInfo info = receivers.get(i); 2456 2457 if (info.activityInfo == null) { 2458 continue; 2459 } 2460 2461 final String packageName = info.activityInfo.packageName; 2462 2463 final PackageSetting ps = mSettings.mPackages.get(packageName); 2464 if (ps == null) { 2465 continue; 2466 } 2467 2468 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2469 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2470 continue; 2471 } 2472 2473 // Select the IntentFilterVerifier with the highest priority 2474 if (priority < info.priority) { 2475 priority = info.priority; 2476 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2477 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: " 2478 + verifierComponentName + " with priority: " + info.priority); 2479 } 2480 } 2481 2482 return verifierComponentName; 2483 } 2484 2485 private void primeDomainVerificationsLPw(int userId) { 2486 if (DEBUG_DOMAIN_VERIFICATION) { 2487 Slog.d(TAG, "Priming domain verifications in user " + userId); 2488 } 2489 2490 SystemConfig systemConfig = SystemConfig.getInstance(); 2491 ArraySet<String> packages = systemConfig.getLinkedApps(); 2492 ArraySet<String> domains = new ArraySet<String>(); 2493 2494 for (String packageName : packages) { 2495 PackageParser.Package pkg = mPackages.get(packageName); 2496 if (pkg != null) { 2497 if (!pkg.isSystemApp()) { 2498 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2499 continue; 2500 } 2501 2502 domains.clear(); 2503 for (PackageParser.Activity a : pkg.activities) { 2504 for (ActivityIntentInfo filter : a.intents) { 2505 if (hasValidDomains(filter)) { 2506 domains.addAll(filter.getHostsList()); 2507 } 2508 } 2509 } 2510 2511 if (domains.size() > 0) { 2512 if (DEBUG_DOMAIN_VERIFICATION) { 2513 Slog.v(TAG, " + " + packageName); 2514 } 2515 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2516 // state w.r.t. the formal app-linkage "no verification attempted" state; 2517 // and then 'always' in the per-user state actually used for intent resolution. 2518 final IntentFilterVerificationInfo ivi; 2519 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2520 new ArrayList<String>(domains)); 2521 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2522 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2523 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2524 } else { 2525 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2526 + "' does not handle web links"); 2527 } 2528 } else { 2529 Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>"); 2530 } 2531 } 2532 2533 scheduleWritePackageRestrictionsLocked(userId); 2534 scheduleWriteSettingsLocked(); 2535 } 2536 2537 private void applyFactoryDefaultBrowserLPw(int userId) { 2538 // The default browser app's package name is stored in a string resource, 2539 // with a product-specific overlay used for vendor customization. 2540 String browserPkg = mContext.getResources().getString( 2541 com.android.internal.R.string.default_browser); 2542 if (!TextUtils.isEmpty(browserPkg)) { 2543 // non-empty string => required to be a known package 2544 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2545 if (ps == null) { 2546 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2547 browserPkg = null; 2548 } else { 2549 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2550 } 2551 } 2552 2553 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2554 // default. If there's more than one, just leave everything alone. 2555 if (browserPkg == null) { 2556 calculateDefaultBrowserLPw(userId); 2557 } 2558 } 2559 2560 private void calculateDefaultBrowserLPw(int userId) { 2561 List<String> allBrowsers = resolveAllBrowserApps(userId); 2562 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2563 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2564 } 2565 2566 private List<String> resolveAllBrowserApps(int userId) { 2567 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2568 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2569 PackageManager.MATCH_ALL, userId); 2570 2571 final int count = list.size(); 2572 List<String> result = new ArrayList<String>(count); 2573 for (int i=0; i<count; i++) { 2574 ResolveInfo info = list.get(i); 2575 if (info.activityInfo == null 2576 || !info.handleAllWebDataURI 2577 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2578 || result.contains(info.activityInfo.packageName)) { 2579 continue; 2580 } 2581 result.add(info.activityInfo.packageName); 2582 } 2583 2584 return result; 2585 } 2586 2587 private boolean packageIsBrowser(String packageName, int userId) { 2588 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2589 PackageManager.MATCH_ALL, userId); 2590 final int N = list.size(); 2591 for (int i = 0; i < N; i++) { 2592 ResolveInfo info = list.get(i); 2593 if (packageName.equals(info.activityInfo.packageName)) { 2594 return true; 2595 } 2596 } 2597 return false; 2598 } 2599 2600 private void checkDefaultBrowser() { 2601 final int myUserId = UserHandle.myUserId(); 2602 final String packageName = getDefaultBrowserPackageName(myUserId); 2603 if (packageName != null) { 2604 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2605 if (info == null) { 2606 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2607 synchronized (mPackages) { 2608 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2609 } 2610 } 2611 } 2612 } 2613 2614 @Override 2615 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2616 throws RemoteException { 2617 try { 2618 return super.onTransact(code, data, reply, flags); 2619 } catch (RuntimeException e) { 2620 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2621 Slog.wtf(TAG, "Package Manager Crash", e); 2622 } 2623 throw e; 2624 } 2625 } 2626 2627 void cleanupInstallFailedPackage(PackageSetting ps) { 2628 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2629 2630 removeDataDirsLI(ps.volumeUuid, ps.name); 2631 if (ps.codePath != null) { 2632 if (ps.codePath.isDirectory()) { 2633 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2634 } else { 2635 ps.codePath.delete(); 2636 } 2637 } 2638 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2639 if (ps.resourcePath.isDirectory()) { 2640 FileUtils.deleteContents(ps.resourcePath); 2641 } 2642 ps.resourcePath.delete(); 2643 } 2644 mSettings.removePackageLPw(ps.name); 2645 } 2646 2647 static int[] appendInts(int[] cur, int[] add) { 2648 if (add == null) return cur; 2649 if (cur == null) return add; 2650 final int N = add.length; 2651 for (int i=0; i<N; i++) { 2652 cur = appendInt(cur, add[i]); 2653 } 2654 return cur; 2655 } 2656 2657 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2658 if (!sUserManager.exists(userId)) return null; 2659 final PackageSetting ps = (PackageSetting) p.mExtras; 2660 if (ps == null) { 2661 return null; 2662 } 2663 2664 final PermissionsState permissionsState = ps.getPermissionsState(); 2665 2666 final int[] gids = permissionsState.computeGids(userId); 2667 final Set<String> permissions = permissionsState.getPermissions(userId); 2668 final PackageUserState state = ps.readUserState(userId); 2669 2670 return PackageParser.generatePackageInfo(p, gids, flags, 2671 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2672 } 2673 2674 @Override 2675 public boolean isPackageFrozen(String packageName) { 2676 synchronized (mPackages) { 2677 final PackageSetting ps = mSettings.mPackages.get(packageName); 2678 if (ps != null) { 2679 return ps.frozen; 2680 } 2681 } 2682 Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen"); 2683 return true; 2684 } 2685 2686 @Override 2687 public boolean isPackageAvailable(String packageName, int userId) { 2688 if (!sUserManager.exists(userId)) return false; 2689 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2690 synchronized (mPackages) { 2691 PackageParser.Package p = mPackages.get(packageName); 2692 if (p != null) { 2693 final PackageSetting ps = (PackageSetting) p.mExtras; 2694 if (ps != null) { 2695 final PackageUserState state = ps.readUserState(userId); 2696 if (state != null) { 2697 return PackageParser.isAvailable(state); 2698 } 2699 } 2700 } 2701 } 2702 return false; 2703 } 2704 2705 @Override 2706 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2707 if (!sUserManager.exists(userId)) return null; 2708 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2709 // reader 2710 synchronized (mPackages) { 2711 PackageParser.Package p = mPackages.get(packageName); 2712 if (DEBUG_PACKAGE_INFO) 2713 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2714 if (p != null) { 2715 return generatePackageInfo(p, flags, userId); 2716 } 2717 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2718 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2719 } 2720 } 2721 return null; 2722 } 2723 2724 @Override 2725 public String[] currentToCanonicalPackageNames(String[] names) { 2726 String[] out = new String[names.length]; 2727 // reader 2728 synchronized (mPackages) { 2729 for (int i=names.length-1; i>=0; i--) { 2730 PackageSetting ps = mSettings.mPackages.get(names[i]); 2731 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2732 } 2733 } 2734 return out; 2735 } 2736 2737 @Override 2738 public String[] canonicalToCurrentPackageNames(String[] names) { 2739 String[] out = new String[names.length]; 2740 // reader 2741 synchronized (mPackages) { 2742 for (int i=names.length-1; i>=0; i--) { 2743 String cur = mSettings.mRenamedPackages.get(names[i]); 2744 out[i] = cur != null ? cur : names[i]; 2745 } 2746 } 2747 return out; 2748 } 2749 2750 @Override 2751 public int getPackageUid(String packageName, int userId) { 2752 return getPackageUidEtc(packageName, 0, userId); 2753 } 2754 2755 @Override 2756 public int getPackageUidEtc(String packageName, int flags, int userId) { 2757 if (!sUserManager.exists(userId)) return -1; 2758 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2759 2760 // reader 2761 synchronized (mPackages) { 2762 final PackageParser.Package p = mPackages.get(packageName); 2763 if (p != null) { 2764 return UserHandle.getUid(userId, p.applicationInfo.uid); 2765 } 2766 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2767 final PackageSetting ps = mSettings.mPackages.get(packageName); 2768 if (ps != null) { 2769 return UserHandle.getUid(userId, ps.appId); 2770 } 2771 } 2772 } 2773 2774 return -1; 2775 } 2776 2777 @Override 2778 public int[] getPackageGids(String packageName, int userId) { 2779 return getPackageGidsEtc(packageName, 0, userId); 2780 } 2781 2782 @Override 2783 public int[] getPackageGidsEtc(String packageName, int flags, int userId) { 2784 if (!sUserManager.exists(userId)) { 2785 return null; 2786 } 2787 2788 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2789 "getPackageGids"); 2790 2791 // reader 2792 synchronized (mPackages) { 2793 final PackageParser.Package p = mPackages.get(packageName); 2794 if (p != null) { 2795 PackageSetting ps = (PackageSetting) p.mExtras; 2796 return ps.getPermissionsState().computeGids(userId); 2797 } 2798 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2799 final PackageSetting ps = mSettings.mPackages.get(packageName); 2800 if (ps != null) { 2801 return ps.getPermissionsState().computeGids(userId); 2802 } 2803 } 2804 } 2805 2806 return null; 2807 } 2808 2809 static PermissionInfo generatePermissionInfo( 2810 BasePermission bp, int flags) { 2811 if (bp.perm != null) { 2812 return PackageParser.generatePermissionInfo(bp.perm, flags); 2813 } 2814 PermissionInfo pi = new PermissionInfo(); 2815 pi.name = bp.name; 2816 pi.packageName = bp.sourcePackage; 2817 pi.nonLocalizedLabel = bp.name; 2818 pi.protectionLevel = bp.protectionLevel; 2819 return pi; 2820 } 2821 2822 @Override 2823 public PermissionInfo getPermissionInfo(String name, int flags) { 2824 // reader 2825 synchronized (mPackages) { 2826 final BasePermission p = mSettings.mPermissions.get(name); 2827 if (p != null) { 2828 return generatePermissionInfo(p, flags); 2829 } 2830 return null; 2831 } 2832 } 2833 2834 @Override 2835 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2836 // reader 2837 synchronized (mPackages) { 2838 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2839 for (BasePermission p : mSettings.mPermissions.values()) { 2840 if (group == null) { 2841 if (p.perm == null || p.perm.info.group == null) { 2842 out.add(generatePermissionInfo(p, flags)); 2843 } 2844 } else { 2845 if (p.perm != null && group.equals(p.perm.info.group)) { 2846 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2847 } 2848 } 2849 } 2850 2851 if (out.size() > 0) { 2852 return out; 2853 } 2854 return mPermissionGroups.containsKey(group) ? out : null; 2855 } 2856 } 2857 2858 @Override 2859 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2860 // reader 2861 synchronized (mPackages) { 2862 return PackageParser.generatePermissionGroupInfo( 2863 mPermissionGroups.get(name), flags); 2864 } 2865 } 2866 2867 @Override 2868 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2869 // reader 2870 synchronized (mPackages) { 2871 final int N = mPermissionGroups.size(); 2872 ArrayList<PermissionGroupInfo> out 2873 = new ArrayList<PermissionGroupInfo>(N); 2874 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2875 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2876 } 2877 return out; 2878 } 2879 } 2880 2881 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2882 int userId) { 2883 if (!sUserManager.exists(userId)) return null; 2884 PackageSetting ps = mSettings.mPackages.get(packageName); 2885 if (ps != null) { 2886 if (ps.pkg == null) { 2887 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2888 flags, userId); 2889 if (pInfo != null) { 2890 return pInfo.applicationInfo; 2891 } 2892 return null; 2893 } 2894 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2895 ps.readUserState(userId), userId); 2896 } 2897 return null; 2898 } 2899 2900 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2901 int userId) { 2902 if (!sUserManager.exists(userId)) return null; 2903 PackageSetting ps = mSettings.mPackages.get(packageName); 2904 if (ps != null) { 2905 PackageParser.Package pkg = ps.pkg; 2906 if (pkg == null) { 2907 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2908 return null; 2909 } 2910 // Only data remains, so we aren't worried about code paths 2911 pkg = new PackageParser.Package(packageName); 2912 pkg.applicationInfo.packageName = packageName; 2913 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2914 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2915 pkg.applicationInfo.uid = ps.appId; 2916 pkg.applicationInfo.initForUser(userId); 2917 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2918 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2919 } 2920 return generatePackageInfo(pkg, flags, userId); 2921 } 2922 return null; 2923 } 2924 2925 @Override 2926 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2927 if (!sUserManager.exists(userId)) return null; 2928 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2929 // writer 2930 synchronized (mPackages) { 2931 PackageParser.Package p = mPackages.get(packageName); 2932 if (DEBUG_PACKAGE_INFO) Log.v( 2933 TAG, "getApplicationInfo " + packageName 2934 + ": " + p); 2935 if (p != null) { 2936 PackageSetting ps = mSettings.mPackages.get(packageName); 2937 if (ps == null) return null; 2938 // Note: isEnabledLP() does not apply here - always return info 2939 return PackageParser.generateApplicationInfo( 2940 p, flags, ps.readUserState(userId), userId); 2941 } 2942 if ("android".equals(packageName)||"system".equals(packageName)) { 2943 return mAndroidApplication; 2944 } 2945 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2946 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2947 } 2948 } 2949 return null; 2950 } 2951 2952 @Override 2953 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 2954 final IPackageDataObserver observer) { 2955 mContext.enforceCallingOrSelfPermission( 2956 android.Manifest.permission.CLEAR_APP_CACHE, null); 2957 // Queue up an async operation since clearing cache may take a little while. 2958 mHandler.post(new Runnable() { 2959 public void run() { 2960 mHandler.removeCallbacks(this); 2961 int retCode = -1; 2962 synchronized (mInstallLock) { 2963 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2964 if (retCode < 0) { 2965 Slog.w(TAG, "Couldn't clear application caches"); 2966 } 2967 } 2968 if (observer != null) { 2969 try { 2970 observer.onRemoveCompleted(null, (retCode >= 0)); 2971 } catch (RemoteException e) { 2972 Slog.w(TAG, "RemoveException when invoking call back"); 2973 } 2974 } 2975 } 2976 }); 2977 } 2978 2979 @Override 2980 public void freeStorage(final String volumeUuid, final long freeStorageSize, 2981 final IntentSender pi) { 2982 mContext.enforceCallingOrSelfPermission( 2983 android.Manifest.permission.CLEAR_APP_CACHE, null); 2984 // Queue up an async operation since clearing cache may take a little while. 2985 mHandler.post(new Runnable() { 2986 public void run() { 2987 mHandler.removeCallbacks(this); 2988 int retCode = -1; 2989 synchronized (mInstallLock) { 2990 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2991 if (retCode < 0) { 2992 Slog.w(TAG, "Couldn't clear application caches"); 2993 } 2994 } 2995 if(pi != null) { 2996 try { 2997 // Callback via pending intent 2998 int code = (retCode >= 0) ? 1 : 0; 2999 pi.sendIntent(null, code, null, 3000 null, null); 3001 } catch (SendIntentException e1) { 3002 Slog.i(TAG, "Failed to send pending intent"); 3003 } 3004 } 3005 } 3006 }); 3007 } 3008 3009 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3010 synchronized (mInstallLock) { 3011 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 3012 throw new IOException("Failed to free enough space"); 3013 } 3014 } 3015 } 3016 3017 /** 3018 * Augment the given flags depending on current user running state. This is 3019 * purposefully done before acquiring {@link #mPackages} lock. 3020 */ 3021 private int augmentFlagsForUser(int flags, int userId) { 3022 if (SystemProperties.getBoolean(StorageManager.PROP_HAS_FBE, false)) { 3023 final IMountService mount = IMountService.Stub 3024 .asInterface(ServiceManager.getService(Context.STORAGE_SERVICE)); 3025 if (mount == null) { 3026 // We must be early in boot, so the best we can do is assume the 3027 // user is fully running. 3028 return flags; 3029 } 3030 final long token = Binder.clearCallingIdentity(); 3031 try { 3032 if (!mount.isUserKeyUnlocked(userId)) { 3033 flags |= PackageManager.FLAG_USER_RUNNING_WITH_AMNESIA; 3034 } 3035 } catch (RemoteException e) { 3036 throw e.rethrowAsRuntimeException(); 3037 } finally { 3038 Binder.restoreCallingIdentity(token); 3039 } 3040 } 3041 return flags; 3042 } 3043 3044 @Override 3045 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3046 if (!sUserManager.exists(userId)) return null; 3047 flags = augmentFlagsForUser(flags, userId); 3048 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3049 synchronized (mPackages) { 3050 PackageParser.Activity a = mActivities.mActivities.get(component); 3051 3052 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3053 if (a != null && mSettings.isEnabledAndVisibleLPr(a.info, flags, userId)) { 3054 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3055 if (ps == null) return null; 3056 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3057 userId); 3058 } 3059 if (mResolveComponentName.equals(component)) { 3060 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3061 new PackageUserState(), userId); 3062 } 3063 } 3064 return null; 3065 } 3066 3067 @Override 3068 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3069 String resolvedType) { 3070 synchronized (mPackages) { 3071 if (component.equals(mResolveComponentName)) { 3072 // The resolver supports EVERYTHING! 3073 return true; 3074 } 3075 PackageParser.Activity a = mActivities.mActivities.get(component); 3076 if (a == null) { 3077 return false; 3078 } 3079 for (int i=0; i<a.intents.size(); i++) { 3080 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3081 intent.getData(), intent.getCategories(), TAG) >= 0) { 3082 return true; 3083 } 3084 } 3085 return false; 3086 } 3087 } 3088 3089 @Override 3090 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3091 if (!sUserManager.exists(userId)) return null; 3092 flags = augmentFlagsForUser(flags, userId); 3093 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3094 synchronized (mPackages) { 3095 PackageParser.Activity a = mReceivers.mActivities.get(component); 3096 if (DEBUG_PACKAGE_INFO) Log.v( 3097 TAG, "getReceiverInfo " + component + ": " + a); 3098 if (a != null && mSettings.isEnabledAndVisibleLPr(a.info, flags, userId)) { 3099 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3100 if (ps == null) return null; 3101 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3102 userId); 3103 } 3104 } 3105 return null; 3106 } 3107 3108 @Override 3109 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3110 if (!sUserManager.exists(userId)) return null; 3111 flags = augmentFlagsForUser(flags, userId); 3112 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3113 synchronized (mPackages) { 3114 PackageParser.Service s = mServices.mServices.get(component); 3115 if (DEBUG_PACKAGE_INFO) Log.v( 3116 TAG, "getServiceInfo " + component + ": " + s); 3117 if (s != null && mSettings.isEnabledAndVisibleLPr(s.info, flags, userId)) { 3118 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3119 if (ps == null) return null; 3120 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3121 userId); 3122 } 3123 } 3124 return null; 3125 } 3126 3127 @Override 3128 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3129 if (!sUserManager.exists(userId)) return null; 3130 flags = augmentFlagsForUser(flags, userId); 3131 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3132 synchronized (mPackages) { 3133 PackageParser.Provider p = mProviders.mProviders.get(component); 3134 if (DEBUG_PACKAGE_INFO) Log.v( 3135 TAG, "getProviderInfo " + component + ": " + p); 3136 if (p != null && mSettings.isEnabledAndVisibleLPr(p.info, flags, userId)) { 3137 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3138 if (ps == null) return null; 3139 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3140 userId); 3141 } 3142 } 3143 return null; 3144 } 3145 3146 @Override 3147 public String[] getSystemSharedLibraryNames() { 3148 Set<String> libSet; 3149 synchronized (mPackages) { 3150 libSet = mSharedLibraries.keySet(); 3151 int size = libSet.size(); 3152 if (size > 0) { 3153 String[] libs = new String[size]; 3154 libSet.toArray(libs); 3155 return libs; 3156 } 3157 } 3158 return null; 3159 } 3160 3161 /** 3162 * @hide 3163 */ 3164 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3165 synchronized (mPackages) { 3166 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3167 if (lib != null && lib.apk != null) { 3168 return mPackages.get(lib.apk); 3169 } 3170 } 3171 return null; 3172 } 3173 3174 @Override 3175 public FeatureInfo[] getSystemAvailableFeatures() { 3176 Collection<FeatureInfo> featSet; 3177 synchronized (mPackages) { 3178 featSet = mAvailableFeatures.values(); 3179 int size = featSet.size(); 3180 if (size > 0) { 3181 FeatureInfo[] features = new FeatureInfo[size+1]; 3182 featSet.toArray(features); 3183 FeatureInfo fi = new FeatureInfo(); 3184 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3185 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3186 features[size] = fi; 3187 return features; 3188 } 3189 } 3190 return null; 3191 } 3192 3193 @Override 3194 public boolean hasSystemFeature(String name) { 3195 synchronized (mPackages) { 3196 return mAvailableFeatures.containsKey(name); 3197 } 3198 } 3199 3200 private void checkValidCaller(int uid, int userId) { 3201 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 3202 return; 3203 3204 throw new SecurityException("Caller uid=" + uid 3205 + " is not privileged to communicate with user=" + userId); 3206 } 3207 3208 @Override 3209 public int checkPermission(String permName, String pkgName, int userId) { 3210 if (!sUserManager.exists(userId)) { 3211 return PackageManager.PERMISSION_DENIED; 3212 } 3213 3214 synchronized (mPackages) { 3215 final PackageParser.Package p = mPackages.get(pkgName); 3216 if (p != null && p.mExtras != null) { 3217 final PackageSetting ps = (PackageSetting) p.mExtras; 3218 final PermissionsState permissionsState = ps.getPermissionsState(); 3219 if (permissionsState.hasPermission(permName, userId)) { 3220 return PackageManager.PERMISSION_GRANTED; 3221 } 3222 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3223 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3224 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3225 return PackageManager.PERMISSION_GRANTED; 3226 } 3227 } 3228 } 3229 3230 return PackageManager.PERMISSION_DENIED; 3231 } 3232 3233 @Override 3234 public int checkUidPermission(String permName, int uid) { 3235 final int userId = UserHandle.getUserId(uid); 3236 3237 if (!sUserManager.exists(userId)) { 3238 return PackageManager.PERMISSION_DENIED; 3239 } 3240 3241 synchronized (mPackages) { 3242 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3243 if (obj != null) { 3244 final SettingBase ps = (SettingBase) obj; 3245 final PermissionsState permissionsState = ps.getPermissionsState(); 3246 if (permissionsState.hasPermission(permName, userId)) { 3247 return PackageManager.PERMISSION_GRANTED; 3248 } 3249 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3250 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3251 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3252 return PackageManager.PERMISSION_GRANTED; 3253 } 3254 } else { 3255 ArraySet<String> perms = mSystemPermissions.get(uid); 3256 if (perms != null) { 3257 if (perms.contains(permName)) { 3258 return PackageManager.PERMISSION_GRANTED; 3259 } 3260 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3261 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3262 return PackageManager.PERMISSION_GRANTED; 3263 } 3264 } 3265 } 3266 } 3267 3268 return PackageManager.PERMISSION_DENIED; 3269 } 3270 3271 @Override 3272 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3273 if (UserHandle.getCallingUserId() != userId) { 3274 mContext.enforceCallingPermission( 3275 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3276 "isPermissionRevokedByPolicy for user " + userId); 3277 } 3278 3279 if (checkPermission(permission, packageName, userId) 3280 == PackageManager.PERMISSION_GRANTED) { 3281 return false; 3282 } 3283 3284 final long identity = Binder.clearCallingIdentity(); 3285 try { 3286 final int flags = getPermissionFlags(permission, packageName, userId); 3287 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3288 } finally { 3289 Binder.restoreCallingIdentity(identity); 3290 } 3291 } 3292 3293 @Override 3294 public String getPermissionControllerPackageName() { 3295 synchronized (mPackages) { 3296 return mRequiredInstallerPackage; 3297 } 3298 } 3299 3300 /** 3301 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3302 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3303 * @param checkShell TODO(yamasani): 3304 * @param message the message to log on security exception 3305 */ 3306 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3307 boolean checkShell, String message) { 3308 if (userId < 0) { 3309 throw new IllegalArgumentException("Invalid userId " + userId); 3310 } 3311 if (checkShell) { 3312 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3313 } 3314 if (userId == UserHandle.getUserId(callingUid)) return; 3315 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3316 if (requireFullPermission) { 3317 mContext.enforceCallingOrSelfPermission( 3318 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3319 } else { 3320 try { 3321 mContext.enforceCallingOrSelfPermission( 3322 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3323 } catch (SecurityException se) { 3324 mContext.enforceCallingOrSelfPermission( 3325 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3326 } 3327 } 3328 } 3329 } 3330 3331 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3332 if (callingUid == Process.SHELL_UID) { 3333 if (userHandle >= 0 3334 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3335 throw new SecurityException("Shell does not have permission to access user " 3336 + userHandle); 3337 } else if (userHandle < 0) { 3338 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3339 + Debug.getCallers(3)); 3340 } 3341 } 3342 } 3343 3344 private BasePermission findPermissionTreeLP(String permName) { 3345 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3346 if (permName.startsWith(bp.name) && 3347 permName.length() > bp.name.length() && 3348 permName.charAt(bp.name.length()) == '.') { 3349 return bp; 3350 } 3351 } 3352 return null; 3353 } 3354 3355 private BasePermission checkPermissionTreeLP(String permName) { 3356 if (permName != null) { 3357 BasePermission bp = findPermissionTreeLP(permName); 3358 if (bp != null) { 3359 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3360 return bp; 3361 } 3362 throw new SecurityException("Calling uid " 3363 + Binder.getCallingUid() 3364 + " is not allowed to add to permission tree " 3365 + bp.name + " owned by uid " + bp.uid); 3366 } 3367 } 3368 throw new SecurityException("No permission tree found for " + permName); 3369 } 3370 3371 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3372 if (s1 == null) { 3373 return s2 == null; 3374 } 3375 if (s2 == null) { 3376 return false; 3377 } 3378 if (s1.getClass() != s2.getClass()) { 3379 return false; 3380 } 3381 return s1.equals(s2); 3382 } 3383 3384 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3385 if (pi1.icon != pi2.icon) return false; 3386 if (pi1.logo != pi2.logo) return false; 3387 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3388 if (!compareStrings(pi1.name, pi2.name)) return false; 3389 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3390 // We'll take care of setting this one. 3391 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3392 // These are not currently stored in settings. 3393 //if (!compareStrings(pi1.group, pi2.group)) return false; 3394 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3395 //if (pi1.labelRes != pi2.labelRes) return false; 3396 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3397 return true; 3398 } 3399 3400 int permissionInfoFootprint(PermissionInfo info) { 3401 int size = info.name.length(); 3402 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3403 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3404 return size; 3405 } 3406 3407 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3408 int size = 0; 3409 for (BasePermission perm : mSettings.mPermissions.values()) { 3410 if (perm.uid == tree.uid) { 3411 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3412 } 3413 } 3414 return size; 3415 } 3416 3417 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3418 // We calculate the max size of permissions defined by this uid and throw 3419 // if that plus the size of 'info' would exceed our stated maximum. 3420 if (tree.uid != Process.SYSTEM_UID) { 3421 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3422 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3423 throw new SecurityException("Permission tree size cap exceeded"); 3424 } 3425 } 3426 } 3427 3428 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3429 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3430 throw new SecurityException("Label must be specified in permission"); 3431 } 3432 BasePermission tree = checkPermissionTreeLP(info.name); 3433 BasePermission bp = mSettings.mPermissions.get(info.name); 3434 boolean added = bp == null; 3435 boolean changed = true; 3436 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3437 if (added) { 3438 enforcePermissionCapLocked(info, tree); 3439 bp = new BasePermission(info.name, tree.sourcePackage, 3440 BasePermission.TYPE_DYNAMIC); 3441 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3442 throw new SecurityException( 3443 "Not allowed to modify non-dynamic permission " 3444 + info.name); 3445 } else { 3446 if (bp.protectionLevel == fixedLevel 3447 && bp.perm.owner.equals(tree.perm.owner) 3448 && bp.uid == tree.uid 3449 && comparePermissionInfos(bp.perm.info, info)) { 3450 changed = false; 3451 } 3452 } 3453 bp.protectionLevel = fixedLevel; 3454 info = new PermissionInfo(info); 3455 info.protectionLevel = fixedLevel; 3456 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3457 bp.perm.info.packageName = tree.perm.info.packageName; 3458 bp.uid = tree.uid; 3459 if (added) { 3460 mSettings.mPermissions.put(info.name, bp); 3461 } 3462 if (changed) { 3463 if (!async) { 3464 mSettings.writeLPr(); 3465 } else { 3466 scheduleWriteSettingsLocked(); 3467 } 3468 } 3469 return added; 3470 } 3471 3472 @Override 3473 public boolean addPermission(PermissionInfo info) { 3474 synchronized (mPackages) { 3475 return addPermissionLocked(info, false); 3476 } 3477 } 3478 3479 @Override 3480 public boolean addPermissionAsync(PermissionInfo info) { 3481 synchronized (mPackages) { 3482 return addPermissionLocked(info, true); 3483 } 3484 } 3485 3486 @Override 3487 public void removePermission(String name) { 3488 synchronized (mPackages) { 3489 checkPermissionTreeLP(name); 3490 BasePermission bp = mSettings.mPermissions.get(name); 3491 if (bp != null) { 3492 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3493 throw new SecurityException( 3494 "Not allowed to modify non-dynamic permission " 3495 + name); 3496 } 3497 mSettings.mPermissions.remove(name); 3498 mSettings.writeLPr(); 3499 } 3500 } 3501 } 3502 3503 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3504 BasePermission bp) { 3505 int index = pkg.requestedPermissions.indexOf(bp.name); 3506 if (index == -1) { 3507 throw new SecurityException("Package " + pkg.packageName 3508 + " has not requested permission " + bp.name); 3509 } 3510 if (!bp.isRuntime() && !bp.isDevelopment()) { 3511 throw new SecurityException("Permission " + bp.name 3512 + " is not a changeable permission type"); 3513 } 3514 } 3515 3516 @Override 3517 public void grantRuntimePermission(String packageName, String name, final int userId) { 3518 if (!sUserManager.exists(userId)) { 3519 Log.e(TAG, "No such user:" + userId); 3520 return; 3521 } 3522 3523 mContext.enforceCallingOrSelfPermission( 3524 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3525 "grantRuntimePermission"); 3526 3527 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3528 "grantRuntimePermission"); 3529 3530 final int uid; 3531 final SettingBase sb; 3532 3533 synchronized (mPackages) { 3534 final PackageParser.Package pkg = mPackages.get(packageName); 3535 if (pkg == null) { 3536 throw new IllegalArgumentException("Unknown package: " + packageName); 3537 } 3538 3539 final BasePermission bp = mSettings.mPermissions.get(name); 3540 if (bp == null) { 3541 throw new IllegalArgumentException("Unknown permission: " + name); 3542 } 3543 3544 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3545 3546 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3547 sb = (SettingBase) pkg.mExtras; 3548 if (sb == null) { 3549 throw new IllegalArgumentException("Unknown package: " + packageName); 3550 } 3551 3552 final PermissionsState permissionsState = sb.getPermissionsState(); 3553 3554 final int flags = permissionsState.getPermissionFlags(name, userId); 3555 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3556 throw new SecurityException("Cannot grant system fixed permission: " 3557 + name + " for package: " + packageName); 3558 } 3559 3560 if (bp.isDevelopment()) { 3561 // Development permissions must be handled specially, since they are not 3562 // normal runtime permissions. For now they apply to all users. 3563 if (permissionsState.grantInstallPermission(bp) != 3564 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3565 scheduleWriteSettingsLocked(); 3566 } 3567 return; 3568 } 3569 3570 final int result = permissionsState.grantRuntimePermission(bp, userId); 3571 switch (result) { 3572 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3573 return; 3574 } 3575 3576 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3577 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3578 mHandler.post(new Runnable() { 3579 @Override 3580 public void run() { 3581 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3582 } 3583 }); 3584 } 3585 break; 3586 } 3587 3588 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3589 3590 // Not critical if that is lost - app has to request again. 3591 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3592 } 3593 3594 // Only need to do this if user is initialized. Otherwise it's a new user 3595 // and there are no processes running as the user yet and there's no need 3596 // to make an expensive call to remount processes for the changed permissions. 3597 if (READ_EXTERNAL_STORAGE.equals(name) 3598 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3599 final long token = Binder.clearCallingIdentity(); 3600 try { 3601 if (sUserManager.isInitialized(userId)) { 3602 MountServiceInternal mountServiceInternal = LocalServices.getService( 3603 MountServiceInternal.class); 3604 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3605 } 3606 } finally { 3607 Binder.restoreCallingIdentity(token); 3608 } 3609 } 3610 } 3611 3612 @Override 3613 public void revokeRuntimePermission(String packageName, String name, int userId) { 3614 if (!sUserManager.exists(userId)) { 3615 Log.e(TAG, "No such user:" + userId); 3616 return; 3617 } 3618 3619 mContext.enforceCallingOrSelfPermission( 3620 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3621 "revokeRuntimePermission"); 3622 3623 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3624 "revokeRuntimePermission"); 3625 3626 final int appId; 3627 3628 synchronized (mPackages) { 3629 final PackageParser.Package pkg = mPackages.get(packageName); 3630 if (pkg == null) { 3631 throw new IllegalArgumentException("Unknown package: " + packageName); 3632 } 3633 3634 final BasePermission bp = mSettings.mPermissions.get(name); 3635 if (bp == null) { 3636 throw new IllegalArgumentException("Unknown permission: " + name); 3637 } 3638 3639 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3640 3641 SettingBase sb = (SettingBase) pkg.mExtras; 3642 if (sb == null) { 3643 throw new IllegalArgumentException("Unknown package: " + packageName); 3644 } 3645 3646 final PermissionsState permissionsState = sb.getPermissionsState(); 3647 3648 final int flags = permissionsState.getPermissionFlags(name, userId); 3649 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3650 throw new SecurityException("Cannot revoke system fixed permission: " 3651 + name + " for package: " + packageName); 3652 } 3653 3654 if (bp.isDevelopment()) { 3655 // Development permissions must be handled specially, since they are not 3656 // normal runtime permissions. For now they apply to all users. 3657 if (permissionsState.revokeInstallPermission(bp) != 3658 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3659 scheduleWriteSettingsLocked(); 3660 } 3661 return; 3662 } 3663 3664 if (permissionsState.revokeRuntimePermission(bp, userId) == 3665 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3666 return; 3667 } 3668 3669 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3670 3671 // Critical, after this call app should never have the permission. 3672 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3673 3674 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3675 } 3676 3677 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3678 } 3679 3680 @Override 3681 public void resetRuntimePermissions() { 3682 mContext.enforceCallingOrSelfPermission( 3683 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3684 "revokeRuntimePermission"); 3685 3686 int callingUid = Binder.getCallingUid(); 3687 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3688 mContext.enforceCallingOrSelfPermission( 3689 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3690 "resetRuntimePermissions"); 3691 } 3692 3693 synchronized (mPackages) { 3694 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3695 for (int userId : UserManagerService.getInstance().getUserIds()) { 3696 final int packageCount = mPackages.size(); 3697 for (int i = 0; i < packageCount; i++) { 3698 PackageParser.Package pkg = mPackages.valueAt(i); 3699 if (!(pkg.mExtras instanceof PackageSetting)) { 3700 continue; 3701 } 3702 PackageSetting ps = (PackageSetting) pkg.mExtras; 3703 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3704 } 3705 } 3706 } 3707 } 3708 3709 @Override 3710 public int getPermissionFlags(String name, String packageName, int userId) { 3711 if (!sUserManager.exists(userId)) { 3712 return 0; 3713 } 3714 3715 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3716 3717 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3718 "getPermissionFlags"); 3719 3720 synchronized (mPackages) { 3721 final PackageParser.Package pkg = mPackages.get(packageName); 3722 if (pkg == null) { 3723 throw new IllegalArgumentException("Unknown package: " + packageName); 3724 } 3725 3726 final BasePermission bp = mSettings.mPermissions.get(name); 3727 if (bp == null) { 3728 throw new IllegalArgumentException("Unknown permission: " + name); 3729 } 3730 3731 SettingBase sb = (SettingBase) pkg.mExtras; 3732 if (sb == null) { 3733 throw new IllegalArgumentException("Unknown package: " + packageName); 3734 } 3735 3736 PermissionsState permissionsState = sb.getPermissionsState(); 3737 return permissionsState.getPermissionFlags(name, userId); 3738 } 3739 } 3740 3741 @Override 3742 public void updatePermissionFlags(String name, String packageName, int flagMask, 3743 int flagValues, int userId) { 3744 if (!sUserManager.exists(userId)) { 3745 return; 3746 } 3747 3748 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3749 3750 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3751 "updatePermissionFlags"); 3752 3753 // Only the system can change these flags and nothing else. 3754 if (getCallingUid() != Process.SYSTEM_UID) { 3755 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3756 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3757 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3758 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3759 } 3760 3761 synchronized (mPackages) { 3762 final PackageParser.Package pkg = mPackages.get(packageName); 3763 if (pkg == null) { 3764 throw new IllegalArgumentException("Unknown package: " + packageName); 3765 } 3766 3767 final BasePermission bp = mSettings.mPermissions.get(name); 3768 if (bp == null) { 3769 throw new IllegalArgumentException("Unknown permission: " + name); 3770 } 3771 3772 SettingBase sb = (SettingBase) pkg.mExtras; 3773 if (sb == null) { 3774 throw new IllegalArgumentException("Unknown package: " + packageName); 3775 } 3776 3777 PermissionsState permissionsState = sb.getPermissionsState(); 3778 3779 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3780 3781 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3782 // Install and runtime permissions are stored in different places, 3783 // so figure out what permission changed and persist the change. 3784 if (permissionsState.getInstallPermissionState(name) != null) { 3785 scheduleWriteSettingsLocked(); 3786 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3787 || hadState) { 3788 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3789 } 3790 } 3791 } 3792 } 3793 3794 /** 3795 * Update the permission flags for all packages and runtime permissions of a user in order 3796 * to allow device or profile owner to remove POLICY_FIXED. 3797 */ 3798 @Override 3799 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3800 if (!sUserManager.exists(userId)) { 3801 return; 3802 } 3803 3804 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3805 3806 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3807 "updatePermissionFlagsForAllApps"); 3808 3809 // Only the system can change system fixed flags. 3810 if (getCallingUid() != Process.SYSTEM_UID) { 3811 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3812 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3813 } 3814 3815 synchronized (mPackages) { 3816 boolean changed = false; 3817 final int packageCount = mPackages.size(); 3818 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3819 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3820 SettingBase sb = (SettingBase) pkg.mExtras; 3821 if (sb == null) { 3822 continue; 3823 } 3824 PermissionsState permissionsState = sb.getPermissionsState(); 3825 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 3826 userId, flagMask, flagValues); 3827 } 3828 if (changed) { 3829 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3830 } 3831 } 3832 } 3833 3834 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 3835 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 3836 != PackageManager.PERMISSION_GRANTED 3837 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 3838 != PackageManager.PERMISSION_GRANTED) { 3839 throw new SecurityException(message + " requires " 3840 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 3841 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 3842 } 3843 } 3844 3845 @Override 3846 public boolean shouldShowRequestPermissionRationale(String permissionName, 3847 String packageName, int userId) { 3848 if (UserHandle.getCallingUserId() != userId) { 3849 mContext.enforceCallingPermission( 3850 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3851 "canShowRequestPermissionRationale for user " + userId); 3852 } 3853 3854 final int uid = getPackageUid(packageName, userId); 3855 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 3856 return false; 3857 } 3858 3859 if (checkPermission(permissionName, packageName, userId) 3860 == PackageManager.PERMISSION_GRANTED) { 3861 return false; 3862 } 3863 3864 final int flags; 3865 3866 final long identity = Binder.clearCallingIdentity(); 3867 try { 3868 flags = getPermissionFlags(permissionName, 3869 packageName, userId); 3870 } finally { 3871 Binder.restoreCallingIdentity(identity); 3872 } 3873 3874 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 3875 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 3876 | PackageManager.FLAG_PERMISSION_USER_FIXED; 3877 3878 if ((flags & fixedFlags) != 0) { 3879 return false; 3880 } 3881 3882 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 3883 } 3884 3885 @Override 3886 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3887 mContext.enforceCallingOrSelfPermission( 3888 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 3889 "addOnPermissionsChangeListener"); 3890 3891 synchronized (mPackages) { 3892 mOnPermissionChangeListeners.addListenerLocked(listener); 3893 } 3894 } 3895 3896 @Override 3897 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3898 synchronized (mPackages) { 3899 mOnPermissionChangeListeners.removeListenerLocked(listener); 3900 } 3901 } 3902 3903 @Override 3904 public boolean isProtectedBroadcast(String actionName) { 3905 synchronized (mPackages) { 3906 return mProtectedBroadcasts.contains(actionName); 3907 } 3908 } 3909 3910 @Override 3911 public int checkSignatures(String pkg1, String pkg2) { 3912 synchronized (mPackages) { 3913 final PackageParser.Package p1 = mPackages.get(pkg1); 3914 final PackageParser.Package p2 = mPackages.get(pkg2); 3915 if (p1 == null || p1.mExtras == null 3916 || p2 == null || p2.mExtras == null) { 3917 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3918 } 3919 return compareSignatures(p1.mSignatures, p2.mSignatures); 3920 } 3921 } 3922 3923 @Override 3924 public int checkUidSignatures(int uid1, int uid2) { 3925 // Map to base uids. 3926 uid1 = UserHandle.getAppId(uid1); 3927 uid2 = UserHandle.getAppId(uid2); 3928 // reader 3929 synchronized (mPackages) { 3930 Signature[] s1; 3931 Signature[] s2; 3932 Object obj = mSettings.getUserIdLPr(uid1); 3933 if (obj != null) { 3934 if (obj instanceof SharedUserSetting) { 3935 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 3936 } else if (obj instanceof PackageSetting) { 3937 s1 = ((PackageSetting)obj).signatures.mSignatures; 3938 } else { 3939 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3940 } 3941 } else { 3942 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3943 } 3944 obj = mSettings.getUserIdLPr(uid2); 3945 if (obj != null) { 3946 if (obj instanceof SharedUserSetting) { 3947 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 3948 } else if (obj instanceof PackageSetting) { 3949 s2 = ((PackageSetting)obj).signatures.mSignatures; 3950 } else { 3951 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3952 } 3953 } else { 3954 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3955 } 3956 return compareSignatures(s1, s2); 3957 } 3958 } 3959 3960 private void killUid(int appId, int userId, String reason) { 3961 final long identity = Binder.clearCallingIdentity(); 3962 try { 3963 IActivityManager am = ActivityManagerNative.getDefault(); 3964 if (am != null) { 3965 try { 3966 am.killUid(appId, userId, reason); 3967 } catch (RemoteException e) { 3968 /* ignore - same process */ 3969 } 3970 } 3971 } finally { 3972 Binder.restoreCallingIdentity(identity); 3973 } 3974 } 3975 3976 /** 3977 * Compares two sets of signatures. Returns: 3978 * <br /> 3979 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 3980 * <br /> 3981 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 3982 * <br /> 3983 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 3984 * <br /> 3985 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 3986 * <br /> 3987 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 3988 */ 3989 static int compareSignatures(Signature[] s1, Signature[] s2) { 3990 if (s1 == null) { 3991 return s2 == null 3992 ? PackageManager.SIGNATURE_NEITHER_SIGNED 3993 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 3994 } 3995 3996 if (s2 == null) { 3997 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 3998 } 3999 4000 if (s1.length != s2.length) { 4001 return PackageManager.SIGNATURE_NO_MATCH; 4002 } 4003 4004 // Since both signature sets are of size 1, we can compare without HashSets. 4005 if (s1.length == 1) { 4006 return s1[0].equals(s2[0]) ? 4007 PackageManager.SIGNATURE_MATCH : 4008 PackageManager.SIGNATURE_NO_MATCH; 4009 } 4010 4011 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4012 for (Signature sig : s1) { 4013 set1.add(sig); 4014 } 4015 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4016 for (Signature sig : s2) { 4017 set2.add(sig); 4018 } 4019 // Make sure s2 contains all signatures in s1. 4020 if (set1.equals(set2)) { 4021 return PackageManager.SIGNATURE_MATCH; 4022 } 4023 return PackageManager.SIGNATURE_NO_MATCH; 4024 } 4025 4026 /** 4027 * If the database version for this type of package (internal storage or 4028 * external storage) is less than the version where package signatures 4029 * were updated, return true. 4030 */ 4031 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4032 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4033 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4034 } 4035 4036 /** 4037 * Used for backward compatibility to make sure any packages with 4038 * certificate chains get upgraded to the new style. {@code existingSigs} 4039 * will be in the old format (since they were stored on disk from before the 4040 * system upgrade) and {@code scannedSigs} will be in the newer format. 4041 */ 4042 private int compareSignaturesCompat(PackageSignatures existingSigs, 4043 PackageParser.Package scannedPkg) { 4044 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4045 return PackageManager.SIGNATURE_NO_MATCH; 4046 } 4047 4048 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4049 for (Signature sig : existingSigs.mSignatures) { 4050 existingSet.add(sig); 4051 } 4052 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4053 for (Signature sig : scannedPkg.mSignatures) { 4054 try { 4055 Signature[] chainSignatures = sig.getChainSignatures(); 4056 for (Signature chainSig : chainSignatures) { 4057 scannedCompatSet.add(chainSig); 4058 } 4059 } catch (CertificateEncodingException e) { 4060 scannedCompatSet.add(sig); 4061 } 4062 } 4063 /* 4064 * Make sure the expanded scanned set contains all signatures in the 4065 * existing one. 4066 */ 4067 if (scannedCompatSet.equals(existingSet)) { 4068 // Migrate the old signatures to the new scheme. 4069 existingSigs.assignSignatures(scannedPkg.mSignatures); 4070 // The new KeySets will be re-added later in the scanning process. 4071 synchronized (mPackages) { 4072 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4073 } 4074 return PackageManager.SIGNATURE_MATCH; 4075 } 4076 return PackageManager.SIGNATURE_NO_MATCH; 4077 } 4078 4079 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4080 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4081 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4082 } 4083 4084 private int compareSignaturesRecover(PackageSignatures existingSigs, 4085 PackageParser.Package scannedPkg) { 4086 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4087 return PackageManager.SIGNATURE_NO_MATCH; 4088 } 4089 4090 String msg = null; 4091 try { 4092 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4093 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4094 + scannedPkg.packageName); 4095 return PackageManager.SIGNATURE_MATCH; 4096 } 4097 } catch (CertificateException e) { 4098 msg = e.getMessage(); 4099 } 4100 4101 logCriticalInfo(Log.INFO, 4102 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4103 return PackageManager.SIGNATURE_NO_MATCH; 4104 } 4105 4106 @Override 4107 public String[] getPackagesForUid(int uid) { 4108 uid = UserHandle.getAppId(uid); 4109 // reader 4110 synchronized (mPackages) { 4111 Object obj = mSettings.getUserIdLPr(uid); 4112 if (obj instanceof SharedUserSetting) { 4113 final SharedUserSetting sus = (SharedUserSetting) obj; 4114 final int N = sus.packages.size(); 4115 final String[] res = new String[N]; 4116 final Iterator<PackageSetting> it = sus.packages.iterator(); 4117 int i = 0; 4118 while (it.hasNext()) { 4119 res[i++] = it.next().name; 4120 } 4121 return res; 4122 } else if (obj instanceof PackageSetting) { 4123 final PackageSetting ps = (PackageSetting) obj; 4124 return new String[] { ps.name }; 4125 } 4126 } 4127 return null; 4128 } 4129 4130 @Override 4131 public String getNameForUid(int uid) { 4132 // reader 4133 synchronized (mPackages) { 4134 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4135 if (obj instanceof SharedUserSetting) { 4136 final SharedUserSetting sus = (SharedUserSetting) obj; 4137 return sus.name + ":" + sus.userId; 4138 } else if (obj instanceof PackageSetting) { 4139 final PackageSetting ps = (PackageSetting) obj; 4140 return ps.name; 4141 } 4142 } 4143 return null; 4144 } 4145 4146 @Override 4147 public int getUidForSharedUser(String sharedUserName) { 4148 if(sharedUserName == null) { 4149 return -1; 4150 } 4151 // reader 4152 synchronized (mPackages) { 4153 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4154 if (suid == null) { 4155 return -1; 4156 } 4157 return suid.userId; 4158 } 4159 } 4160 4161 @Override 4162 public int getFlagsForUid(int uid) { 4163 synchronized (mPackages) { 4164 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4165 if (obj instanceof SharedUserSetting) { 4166 final SharedUserSetting sus = (SharedUserSetting) obj; 4167 return sus.pkgFlags; 4168 } else if (obj instanceof PackageSetting) { 4169 final PackageSetting ps = (PackageSetting) obj; 4170 return ps.pkgFlags; 4171 } 4172 } 4173 return 0; 4174 } 4175 4176 @Override 4177 public int getPrivateFlagsForUid(int uid) { 4178 synchronized (mPackages) { 4179 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4180 if (obj instanceof SharedUserSetting) { 4181 final SharedUserSetting sus = (SharedUserSetting) obj; 4182 return sus.pkgPrivateFlags; 4183 } else if (obj instanceof PackageSetting) { 4184 final PackageSetting ps = (PackageSetting) obj; 4185 return ps.pkgPrivateFlags; 4186 } 4187 } 4188 return 0; 4189 } 4190 4191 @Override 4192 public boolean isUidPrivileged(int uid) { 4193 uid = UserHandle.getAppId(uid); 4194 // reader 4195 synchronized (mPackages) { 4196 Object obj = mSettings.getUserIdLPr(uid); 4197 if (obj instanceof SharedUserSetting) { 4198 final SharedUserSetting sus = (SharedUserSetting) obj; 4199 final Iterator<PackageSetting> it = sus.packages.iterator(); 4200 while (it.hasNext()) { 4201 if (it.next().isPrivileged()) { 4202 return true; 4203 } 4204 } 4205 } else if (obj instanceof PackageSetting) { 4206 final PackageSetting ps = (PackageSetting) obj; 4207 return ps.isPrivileged(); 4208 } 4209 } 4210 return false; 4211 } 4212 4213 @Override 4214 public String[] getAppOpPermissionPackages(String permissionName) { 4215 synchronized (mPackages) { 4216 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4217 if (pkgs == null) { 4218 return null; 4219 } 4220 return pkgs.toArray(new String[pkgs.size()]); 4221 } 4222 } 4223 4224 @Override 4225 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4226 int flags, int userId) { 4227 if (!sUserManager.exists(userId)) return null; 4228 flags = augmentFlagsForUser(flags, userId); 4229 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4230 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4231 return chooseBestActivity(intent, resolvedType, flags, query, userId); 4232 } 4233 4234 @Override 4235 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4236 IntentFilter filter, int match, ComponentName activity) { 4237 final int userId = UserHandle.getCallingUserId(); 4238 if (DEBUG_PREFERRED) { 4239 Log.v(TAG, "setLastChosenActivity intent=" + intent 4240 + " resolvedType=" + resolvedType 4241 + " flags=" + flags 4242 + " filter=" + filter 4243 + " match=" + match 4244 + " activity=" + activity); 4245 filter.dump(new PrintStreamPrinter(System.out), " "); 4246 } 4247 intent.setComponent(null); 4248 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4249 // Find any earlier preferred or last chosen entries and nuke them 4250 findPreferredActivity(intent, resolvedType, 4251 flags, query, 0, false, true, false, userId); 4252 // Add the new activity as the last chosen for this filter 4253 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4254 "Setting last chosen"); 4255 } 4256 4257 @Override 4258 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4259 final int userId = UserHandle.getCallingUserId(); 4260 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4261 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4262 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4263 false, false, false, userId); 4264 } 4265 4266 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4267 int flags, List<ResolveInfo> query, int userId) { 4268 if (query != null) { 4269 final int N = query.size(); 4270 if (N == 1) { 4271 return query.get(0); 4272 } else if (N > 1) { 4273 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4274 // If there is more than one activity with the same priority, 4275 // then let the user decide between them. 4276 ResolveInfo r0 = query.get(0); 4277 ResolveInfo r1 = query.get(1); 4278 if (DEBUG_INTENT_MATCHING || debug) { 4279 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4280 + r1.activityInfo.name + "=" + r1.priority); 4281 } 4282 // If the first activity has a higher priority, or a different 4283 // default, then it is always desireable to pick it. 4284 if (r0.priority != r1.priority 4285 || r0.preferredOrder != r1.preferredOrder 4286 || r0.isDefault != r1.isDefault) { 4287 return query.get(0); 4288 } 4289 // If we have saved a preference for a preferred activity for 4290 // this Intent, use that. 4291 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4292 flags, query, r0.priority, true, false, debug, userId); 4293 if (ri != null) { 4294 return ri; 4295 } 4296 ri = new ResolveInfo(mResolveInfo); 4297 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4298 ri.activityInfo.applicationInfo = new ApplicationInfo( 4299 ri.activityInfo.applicationInfo); 4300 if (userId != 0) { 4301 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4302 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4303 } 4304 // Make sure that the resolver is displayable in car mode 4305 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4306 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4307 return ri; 4308 } 4309 } 4310 return null; 4311 } 4312 4313 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4314 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4315 final int N = query.size(); 4316 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4317 .get(userId); 4318 // Get the list of persistent preferred activities that handle the intent 4319 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4320 List<PersistentPreferredActivity> pprefs = ppir != null 4321 ? ppir.queryIntent(intent, resolvedType, 4322 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4323 : null; 4324 if (pprefs != null && pprefs.size() > 0) { 4325 final int M = pprefs.size(); 4326 for (int i=0; i<M; i++) { 4327 final PersistentPreferredActivity ppa = pprefs.get(i); 4328 if (DEBUG_PREFERRED || debug) { 4329 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4330 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4331 + "\n component=" + ppa.mComponent); 4332 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4333 } 4334 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4335 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4336 if (DEBUG_PREFERRED || debug) { 4337 Slog.v(TAG, "Found persistent preferred activity:"); 4338 if (ai != null) { 4339 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4340 } else { 4341 Slog.v(TAG, " null"); 4342 } 4343 } 4344 if (ai == null) { 4345 // This previously registered persistent preferred activity 4346 // component is no longer known. Ignore it and do NOT remove it. 4347 continue; 4348 } 4349 for (int j=0; j<N; j++) { 4350 final ResolveInfo ri = query.get(j); 4351 if (!ri.activityInfo.applicationInfo.packageName 4352 .equals(ai.applicationInfo.packageName)) { 4353 continue; 4354 } 4355 if (!ri.activityInfo.name.equals(ai.name)) { 4356 continue; 4357 } 4358 // Found a persistent preference that can handle the intent. 4359 if (DEBUG_PREFERRED || debug) { 4360 Slog.v(TAG, "Returning persistent preferred activity: " + 4361 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4362 } 4363 return ri; 4364 } 4365 } 4366 } 4367 return null; 4368 } 4369 4370 // TODO: handle preferred activities missing while user has amnesia 4371 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4372 List<ResolveInfo> query, int priority, boolean always, 4373 boolean removeMatches, boolean debug, int userId) { 4374 if (!sUserManager.exists(userId)) return null; 4375 flags = augmentFlagsForUser(flags, userId); 4376 // writer 4377 synchronized (mPackages) { 4378 if (intent.getSelector() != null) { 4379 intent = intent.getSelector(); 4380 } 4381 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4382 4383 // Try to find a matching persistent preferred activity. 4384 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4385 debug, userId); 4386 4387 // If a persistent preferred activity matched, use it. 4388 if (pri != null) { 4389 return pri; 4390 } 4391 4392 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4393 // Get the list of preferred activities that handle the intent 4394 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4395 List<PreferredActivity> prefs = pir != null 4396 ? pir.queryIntent(intent, resolvedType, 4397 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4398 : null; 4399 if (prefs != null && prefs.size() > 0) { 4400 boolean changed = false; 4401 try { 4402 // First figure out how good the original match set is. 4403 // We will only allow preferred activities that came 4404 // from the same match quality. 4405 int match = 0; 4406 4407 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4408 4409 final int N = query.size(); 4410 for (int j=0; j<N; j++) { 4411 final ResolveInfo ri = query.get(j); 4412 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4413 + ": 0x" + Integer.toHexString(match)); 4414 if (ri.match > match) { 4415 match = ri.match; 4416 } 4417 } 4418 4419 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4420 + Integer.toHexString(match)); 4421 4422 match &= IntentFilter.MATCH_CATEGORY_MASK; 4423 final int M = prefs.size(); 4424 for (int i=0; i<M; i++) { 4425 final PreferredActivity pa = prefs.get(i); 4426 if (DEBUG_PREFERRED || debug) { 4427 Slog.v(TAG, "Checking PreferredActivity ds=" 4428 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4429 + "\n component=" + pa.mPref.mComponent); 4430 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4431 } 4432 if (pa.mPref.mMatch != match) { 4433 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4434 + Integer.toHexString(pa.mPref.mMatch)); 4435 continue; 4436 } 4437 // If it's not an "always" type preferred activity and that's what we're 4438 // looking for, skip it. 4439 if (always && !pa.mPref.mAlways) { 4440 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4441 continue; 4442 } 4443 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4444 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4445 if (DEBUG_PREFERRED || debug) { 4446 Slog.v(TAG, "Found preferred activity:"); 4447 if (ai != null) { 4448 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4449 } else { 4450 Slog.v(TAG, " null"); 4451 } 4452 } 4453 if (ai == null) { 4454 // This previously registered preferred activity 4455 // component is no longer known. Most likely an update 4456 // to the app was installed and in the new version this 4457 // component no longer exists. Clean it up by removing 4458 // it from the preferred activities list, and skip it. 4459 Slog.w(TAG, "Removing dangling preferred activity: " 4460 + pa.mPref.mComponent); 4461 pir.removeFilter(pa); 4462 changed = true; 4463 continue; 4464 } 4465 for (int j=0; j<N; j++) { 4466 final ResolveInfo ri = query.get(j); 4467 if (!ri.activityInfo.applicationInfo.packageName 4468 .equals(ai.applicationInfo.packageName)) { 4469 continue; 4470 } 4471 if (!ri.activityInfo.name.equals(ai.name)) { 4472 continue; 4473 } 4474 4475 if (removeMatches) { 4476 pir.removeFilter(pa); 4477 changed = true; 4478 if (DEBUG_PREFERRED) { 4479 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4480 } 4481 break; 4482 } 4483 4484 // Okay we found a previously set preferred or last chosen app. 4485 // If the result set is different from when this 4486 // was created, we need to clear it and re-ask the 4487 // user their preference, if we're looking for an "always" type entry. 4488 if (always && !pa.mPref.sameSet(query)) { 4489 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4490 + intent + " type " + resolvedType); 4491 if (DEBUG_PREFERRED) { 4492 Slog.v(TAG, "Removing preferred activity since set changed " 4493 + pa.mPref.mComponent); 4494 } 4495 pir.removeFilter(pa); 4496 // Re-add the filter as a "last chosen" entry (!always) 4497 PreferredActivity lastChosen = new PreferredActivity( 4498 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4499 pir.addFilter(lastChosen); 4500 changed = true; 4501 return null; 4502 } 4503 4504 // Yay! Either the set matched or we're looking for the last chosen 4505 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4506 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4507 return ri; 4508 } 4509 } 4510 } finally { 4511 if (changed) { 4512 if (DEBUG_PREFERRED) { 4513 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4514 } 4515 scheduleWritePackageRestrictionsLocked(userId); 4516 } 4517 } 4518 } 4519 } 4520 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4521 return null; 4522 } 4523 4524 /* 4525 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4526 */ 4527 @Override 4528 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4529 int targetUserId) { 4530 mContext.enforceCallingOrSelfPermission( 4531 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4532 List<CrossProfileIntentFilter> matches = 4533 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4534 if (matches != null) { 4535 int size = matches.size(); 4536 for (int i = 0; i < size; i++) { 4537 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4538 } 4539 } 4540 if (hasWebURI(intent)) { 4541 // cross-profile app linking works only towards the parent. 4542 final UserInfo parent = getProfileParent(sourceUserId); 4543 synchronized(mPackages) { 4544 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4545 intent, resolvedType, 0, sourceUserId, parent.id); 4546 return xpDomainInfo != null; 4547 } 4548 } 4549 return false; 4550 } 4551 4552 private UserInfo getProfileParent(int userId) { 4553 final long identity = Binder.clearCallingIdentity(); 4554 try { 4555 return sUserManager.getProfileParent(userId); 4556 } finally { 4557 Binder.restoreCallingIdentity(identity); 4558 } 4559 } 4560 4561 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4562 String resolvedType, int userId) { 4563 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4564 if (resolver != null) { 4565 return resolver.queryIntent(intent, resolvedType, false, userId); 4566 } 4567 return null; 4568 } 4569 4570 @Override 4571 public List<ResolveInfo> queryIntentActivities(Intent intent, 4572 String resolvedType, int flags, int userId) { 4573 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4574 flags = augmentFlagsForUser(flags, userId); 4575 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4576 ComponentName comp = intent.getComponent(); 4577 if (comp == null) { 4578 if (intent.getSelector() != null) { 4579 intent = intent.getSelector(); 4580 comp = intent.getComponent(); 4581 } 4582 } 4583 4584 if (comp != null) { 4585 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4586 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4587 if (ai != null) { 4588 final ResolveInfo ri = new ResolveInfo(); 4589 ri.activityInfo = ai; 4590 list.add(ri); 4591 } 4592 return list; 4593 } 4594 4595 // reader 4596 synchronized (mPackages) { 4597 final String pkgName = intent.getPackage(); 4598 if (pkgName == null) { 4599 List<CrossProfileIntentFilter> matchingFilters = 4600 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4601 // Check for results that need to skip the current profile. 4602 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4603 resolvedType, flags, userId); 4604 if (xpResolveInfo != null) { 4605 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4606 result.add(xpResolveInfo); 4607 return filterIfNotSystemUser(result, userId); 4608 } 4609 4610 // Check for results in the current profile. 4611 List<ResolveInfo> result = mActivities.queryIntent( 4612 intent, resolvedType, flags, userId); 4613 4614 // Check for cross profile results. 4615 xpResolveInfo = queryCrossProfileIntents( 4616 matchingFilters, intent, resolvedType, flags, userId); 4617 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4618 result.add(xpResolveInfo); 4619 Collections.sort(result, mResolvePrioritySorter); 4620 } 4621 result = filterIfNotSystemUser(result, userId); 4622 if (hasWebURI(intent)) { 4623 CrossProfileDomainInfo xpDomainInfo = null; 4624 final UserInfo parent = getProfileParent(userId); 4625 if (parent != null) { 4626 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4627 flags, userId, parent.id); 4628 } 4629 if (xpDomainInfo != null) { 4630 if (xpResolveInfo != null) { 4631 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4632 // in the result. 4633 result.remove(xpResolveInfo); 4634 } 4635 if (result.size() == 0) { 4636 result.add(xpDomainInfo.resolveInfo); 4637 return result; 4638 } 4639 } else if (result.size() <= 1) { 4640 return result; 4641 } 4642 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4643 xpDomainInfo, userId); 4644 Collections.sort(result, mResolvePrioritySorter); 4645 } 4646 return result; 4647 } 4648 final PackageParser.Package pkg = mPackages.get(pkgName); 4649 if (pkg != null) { 4650 return filterIfNotSystemUser( 4651 mActivities.queryIntentForPackage( 4652 intent, resolvedType, flags, pkg.activities, userId), 4653 userId); 4654 } 4655 return new ArrayList<ResolveInfo>(); 4656 } 4657 } 4658 4659 private static class CrossProfileDomainInfo { 4660 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4661 ResolveInfo resolveInfo; 4662 /* Best domain verification status of the activities found in the other profile */ 4663 int bestDomainVerificationStatus; 4664 } 4665 4666 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4667 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4668 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4669 sourceUserId)) { 4670 return null; 4671 } 4672 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4673 resolvedType, flags, parentUserId); 4674 4675 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4676 return null; 4677 } 4678 CrossProfileDomainInfo result = null; 4679 int size = resultTargetUser.size(); 4680 for (int i = 0; i < size; i++) { 4681 ResolveInfo riTargetUser = resultTargetUser.get(i); 4682 // Intent filter verification is only for filters that specify a host. So don't return 4683 // those that handle all web uris. 4684 if (riTargetUser.handleAllWebDataURI) { 4685 continue; 4686 } 4687 String packageName = riTargetUser.activityInfo.packageName; 4688 PackageSetting ps = mSettings.mPackages.get(packageName); 4689 if (ps == null) { 4690 continue; 4691 } 4692 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 4693 int status = (int)(verificationState >> 32); 4694 if (result == null) { 4695 result = new CrossProfileDomainInfo(); 4696 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 4697 sourceUserId, parentUserId); 4698 result.bestDomainVerificationStatus = status; 4699 } else { 4700 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 4701 result.bestDomainVerificationStatus); 4702 } 4703 } 4704 // Don't consider matches with status NEVER across profiles. 4705 if (result != null && result.bestDomainVerificationStatus 4706 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4707 return null; 4708 } 4709 return result; 4710 } 4711 4712 /** 4713 * Verification statuses are ordered from the worse to the best, except for 4714 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 4715 */ 4716 private int bestDomainVerificationStatus(int status1, int status2) { 4717 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4718 return status2; 4719 } 4720 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4721 return status1; 4722 } 4723 return (int) MathUtils.max(status1, status2); 4724 } 4725 4726 private boolean isUserEnabled(int userId) { 4727 long callingId = Binder.clearCallingIdentity(); 4728 try { 4729 UserInfo userInfo = sUserManager.getUserInfo(userId); 4730 return userInfo != null && userInfo.isEnabled(); 4731 } finally { 4732 Binder.restoreCallingIdentity(callingId); 4733 } 4734 } 4735 4736 /** 4737 * Filter out activities with systemUserOnly flag set, when current user is not System. 4738 * 4739 * @return filtered list 4740 */ 4741 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 4742 if (userId == UserHandle.USER_SYSTEM) { 4743 return resolveInfos; 4744 } 4745 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 4746 ResolveInfo info = resolveInfos.get(i); 4747 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 4748 resolveInfos.remove(i); 4749 } 4750 } 4751 return resolveInfos; 4752 } 4753 4754 private static boolean hasWebURI(Intent intent) { 4755 if (intent.getData() == null) { 4756 return false; 4757 } 4758 final String scheme = intent.getScheme(); 4759 if (TextUtils.isEmpty(scheme)) { 4760 return false; 4761 } 4762 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 4763 } 4764 4765 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 4766 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 4767 int userId) { 4768 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 4769 4770 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4771 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 4772 candidates.size()); 4773 } 4774 4775 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 4776 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 4777 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 4778 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 4779 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 4780 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 4781 4782 synchronized (mPackages) { 4783 final int count = candidates.size(); 4784 // First, try to use linked apps. Partition the candidates into four lists: 4785 // one for the final results, one for the "do not use ever", one for "undefined status" 4786 // and finally one for "browser app type". 4787 for (int n=0; n<count; n++) { 4788 ResolveInfo info = candidates.get(n); 4789 String packageName = info.activityInfo.packageName; 4790 PackageSetting ps = mSettings.mPackages.get(packageName); 4791 if (ps != null) { 4792 // Add to the special match all list (Browser use case) 4793 if (info.handleAllWebDataURI) { 4794 matchAllList.add(info); 4795 continue; 4796 } 4797 // Try to get the status from User settings first 4798 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4799 int status = (int)(packedStatus >> 32); 4800 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 4801 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4802 if (DEBUG_DOMAIN_VERIFICATION) { 4803 Slog.i(TAG, " + always: " + info.activityInfo.packageName 4804 + " : linkgen=" + linkGeneration); 4805 } 4806 // Use link-enabled generation as preferredOrder, i.e. 4807 // prefer newly-enabled over earlier-enabled. 4808 info.preferredOrder = linkGeneration; 4809 alwaysList.add(info); 4810 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4811 if (DEBUG_DOMAIN_VERIFICATION) { 4812 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 4813 } 4814 neverList.add(info); 4815 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4816 if (DEBUG_DOMAIN_VERIFICATION) { 4817 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 4818 } 4819 alwaysAskList.add(info); 4820 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 4821 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 4822 if (DEBUG_DOMAIN_VERIFICATION) { 4823 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 4824 } 4825 undefinedList.add(info); 4826 } 4827 } 4828 } 4829 4830 // We'll want to include browser possibilities in a few cases 4831 boolean includeBrowser = false; 4832 4833 // First try to add the "always" resolution(s) for the current user, if any 4834 if (alwaysList.size() > 0) { 4835 result.addAll(alwaysList); 4836 } else { 4837 // Add all undefined apps as we want them to appear in the disambiguation dialog. 4838 result.addAll(undefinedList); 4839 // Maybe add one for the other profile. 4840 if (xpDomainInfo != null && ( 4841 xpDomainInfo.bestDomainVerificationStatus 4842 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 4843 result.add(xpDomainInfo.resolveInfo); 4844 } 4845 includeBrowser = true; 4846 } 4847 4848 // The presence of any 'always ask' alternatives means we'll also offer browsers. 4849 // If there were 'always' entries their preferred order has been set, so we also 4850 // back that off to make the alternatives equivalent 4851 if (alwaysAskList.size() > 0) { 4852 for (ResolveInfo i : result) { 4853 i.preferredOrder = 0; 4854 } 4855 result.addAll(alwaysAskList); 4856 includeBrowser = true; 4857 } 4858 4859 if (includeBrowser) { 4860 // Also add browsers (all of them or only the default one) 4861 if (DEBUG_DOMAIN_VERIFICATION) { 4862 Slog.v(TAG, " ...including browsers in candidate set"); 4863 } 4864 if ((matchFlags & MATCH_ALL) != 0) { 4865 result.addAll(matchAllList); 4866 } else { 4867 // Browser/generic handling case. If there's a default browser, go straight 4868 // to that (but only if there is no other higher-priority match). 4869 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 4870 int maxMatchPrio = 0; 4871 ResolveInfo defaultBrowserMatch = null; 4872 final int numCandidates = matchAllList.size(); 4873 for (int n = 0; n < numCandidates; n++) { 4874 ResolveInfo info = matchAllList.get(n); 4875 // track the highest overall match priority... 4876 if (info.priority > maxMatchPrio) { 4877 maxMatchPrio = info.priority; 4878 } 4879 // ...and the highest-priority default browser match 4880 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 4881 if (defaultBrowserMatch == null 4882 || (defaultBrowserMatch.priority < info.priority)) { 4883 if (debug) { 4884 Slog.v(TAG, "Considering default browser match " + info); 4885 } 4886 defaultBrowserMatch = info; 4887 } 4888 } 4889 } 4890 if (defaultBrowserMatch != null 4891 && defaultBrowserMatch.priority >= maxMatchPrio 4892 && !TextUtils.isEmpty(defaultBrowserPackageName)) 4893 { 4894 if (debug) { 4895 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 4896 } 4897 result.add(defaultBrowserMatch); 4898 } else { 4899 result.addAll(matchAllList); 4900 } 4901 } 4902 4903 // If there is nothing selected, add all candidates and remove the ones that the user 4904 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 4905 if (result.size() == 0) { 4906 result.addAll(candidates); 4907 result.removeAll(neverList); 4908 } 4909 } 4910 } 4911 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4912 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 4913 result.size()); 4914 for (ResolveInfo info : result) { 4915 Slog.v(TAG, " + " + info.activityInfo); 4916 } 4917 } 4918 return result; 4919 } 4920 4921 // Returns a packed value as a long: 4922 // 4923 // high 'int'-sized word: link status: undefined/ask/never/always. 4924 // low 'int'-sized word: relative priority among 'always' results. 4925 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 4926 long result = ps.getDomainVerificationStatusForUser(userId); 4927 // if none available, get the master status 4928 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 4929 if (ps.getIntentFilterVerificationInfo() != null) { 4930 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 4931 } 4932 } 4933 return result; 4934 } 4935 4936 private ResolveInfo querySkipCurrentProfileIntents( 4937 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4938 int flags, int sourceUserId) { 4939 if (matchingFilters != null) { 4940 int size = matchingFilters.size(); 4941 for (int i = 0; i < size; i ++) { 4942 CrossProfileIntentFilter filter = matchingFilters.get(i); 4943 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 4944 // Checking if there are activities in the target user that can handle the 4945 // intent. 4946 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 4947 resolvedType, flags, sourceUserId); 4948 if (resolveInfo != null) { 4949 return resolveInfo; 4950 } 4951 } 4952 } 4953 } 4954 return null; 4955 } 4956 4957 // Return matching ResolveInfo if any for skip current profile intent filters. 4958 private ResolveInfo queryCrossProfileIntents( 4959 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4960 int flags, int sourceUserId) { 4961 if (matchingFilters != null) { 4962 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 4963 // match the same intent. For performance reasons, it is better not to 4964 // run queryIntent twice for the same userId 4965 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 4966 int size = matchingFilters.size(); 4967 for (int i = 0; i < size; i++) { 4968 CrossProfileIntentFilter filter = matchingFilters.get(i); 4969 int targetUserId = filter.getTargetUserId(); 4970 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 4971 && !alreadyTriedUserIds.get(targetUserId)) { 4972 // Checking if there are activities in the target user that can handle the 4973 // intent. 4974 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 4975 resolvedType, flags, sourceUserId); 4976 if (resolveInfo != null) return resolveInfo; 4977 alreadyTriedUserIds.put(targetUserId, true); 4978 } 4979 } 4980 } 4981 return null; 4982 } 4983 4984 /** 4985 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 4986 * will forward the intent to the filter's target user. 4987 * Otherwise, returns null. 4988 */ 4989 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 4990 String resolvedType, int flags, int sourceUserId) { 4991 int targetUserId = filter.getTargetUserId(); 4992 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4993 resolvedType, flags, targetUserId); 4994 if (resultTargetUser != null && !resultTargetUser.isEmpty() 4995 && isUserEnabled(targetUserId)) { 4996 return createForwardingResolveInfoUnchecked(filter, sourceUserId, targetUserId); 4997 } 4998 return null; 4999 } 5000 5001 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5002 int sourceUserId, int targetUserId) { 5003 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5004 long ident = Binder.clearCallingIdentity(); 5005 boolean targetIsProfile; 5006 try { 5007 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5008 } finally { 5009 Binder.restoreCallingIdentity(ident); 5010 } 5011 String className; 5012 if (targetIsProfile) { 5013 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5014 } else { 5015 className = FORWARD_INTENT_TO_PARENT; 5016 } 5017 ComponentName forwardingActivityComponentName = new ComponentName( 5018 mAndroidApplication.packageName, className); 5019 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5020 sourceUserId); 5021 if (!targetIsProfile) { 5022 forwardingActivityInfo.showUserIcon = targetUserId; 5023 forwardingResolveInfo.noResourceId = true; 5024 } 5025 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5026 forwardingResolveInfo.priority = 0; 5027 forwardingResolveInfo.preferredOrder = 0; 5028 forwardingResolveInfo.match = 0; 5029 forwardingResolveInfo.isDefault = true; 5030 forwardingResolveInfo.filter = filter; 5031 forwardingResolveInfo.targetUserId = targetUserId; 5032 return forwardingResolveInfo; 5033 } 5034 5035 @Override 5036 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5037 Intent[] specifics, String[] specificTypes, Intent intent, 5038 String resolvedType, int flags, int userId) { 5039 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5040 flags = augmentFlagsForUser(flags, userId); 5041 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5042 false, "query intent activity options"); 5043 final String resultsAction = intent.getAction(); 5044 5045 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5046 | PackageManager.GET_RESOLVED_FILTER, userId); 5047 5048 if (DEBUG_INTENT_MATCHING) { 5049 Log.v(TAG, "Query " + intent + ": " + results); 5050 } 5051 5052 int specificsPos = 0; 5053 int N; 5054 5055 // todo: note that the algorithm used here is O(N^2). This 5056 // isn't a problem in our current environment, but if we start running 5057 // into situations where we have more than 5 or 10 matches then this 5058 // should probably be changed to something smarter... 5059 5060 // First we go through and resolve each of the specific items 5061 // that were supplied, taking care of removing any corresponding 5062 // duplicate items in the generic resolve list. 5063 if (specifics != null) { 5064 for (int i=0; i<specifics.length; i++) { 5065 final Intent sintent = specifics[i]; 5066 if (sintent == null) { 5067 continue; 5068 } 5069 5070 if (DEBUG_INTENT_MATCHING) { 5071 Log.v(TAG, "Specific #" + i + ": " + sintent); 5072 } 5073 5074 String action = sintent.getAction(); 5075 if (resultsAction != null && resultsAction.equals(action)) { 5076 // If this action was explicitly requested, then don't 5077 // remove things that have it. 5078 action = null; 5079 } 5080 5081 ResolveInfo ri = null; 5082 ActivityInfo ai = null; 5083 5084 ComponentName comp = sintent.getComponent(); 5085 if (comp == null) { 5086 ri = resolveIntent( 5087 sintent, 5088 specificTypes != null ? specificTypes[i] : null, 5089 flags, userId); 5090 if (ri == null) { 5091 continue; 5092 } 5093 if (ri == mResolveInfo) { 5094 // ACK! Must do something better with this. 5095 } 5096 ai = ri.activityInfo; 5097 comp = new ComponentName(ai.applicationInfo.packageName, 5098 ai.name); 5099 } else { 5100 ai = getActivityInfo(comp, flags, userId); 5101 if (ai == null) { 5102 continue; 5103 } 5104 } 5105 5106 // Look for any generic query activities that are duplicates 5107 // of this specific one, and remove them from the results. 5108 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5109 N = results.size(); 5110 int j; 5111 for (j=specificsPos; j<N; j++) { 5112 ResolveInfo sri = results.get(j); 5113 if ((sri.activityInfo.name.equals(comp.getClassName()) 5114 && sri.activityInfo.applicationInfo.packageName.equals( 5115 comp.getPackageName())) 5116 || (action != null && sri.filter.matchAction(action))) { 5117 results.remove(j); 5118 if (DEBUG_INTENT_MATCHING) Log.v( 5119 TAG, "Removing duplicate item from " + j 5120 + " due to specific " + specificsPos); 5121 if (ri == null) { 5122 ri = sri; 5123 } 5124 j--; 5125 N--; 5126 } 5127 } 5128 5129 // Add this specific item to its proper place. 5130 if (ri == null) { 5131 ri = new ResolveInfo(); 5132 ri.activityInfo = ai; 5133 } 5134 results.add(specificsPos, ri); 5135 ri.specificIndex = i; 5136 specificsPos++; 5137 } 5138 } 5139 5140 // Now we go through the remaining generic results and remove any 5141 // duplicate actions that are found here. 5142 N = results.size(); 5143 for (int i=specificsPos; i<N-1; i++) { 5144 final ResolveInfo rii = results.get(i); 5145 if (rii.filter == null) { 5146 continue; 5147 } 5148 5149 // Iterate over all of the actions of this result's intent 5150 // filter... typically this should be just one. 5151 final Iterator<String> it = rii.filter.actionsIterator(); 5152 if (it == null) { 5153 continue; 5154 } 5155 while (it.hasNext()) { 5156 final String action = it.next(); 5157 if (resultsAction != null && resultsAction.equals(action)) { 5158 // If this action was explicitly requested, then don't 5159 // remove things that have it. 5160 continue; 5161 } 5162 for (int j=i+1; j<N; j++) { 5163 final ResolveInfo rij = results.get(j); 5164 if (rij.filter != null && rij.filter.hasAction(action)) { 5165 results.remove(j); 5166 if (DEBUG_INTENT_MATCHING) Log.v( 5167 TAG, "Removing duplicate item from " + j 5168 + " due to action " + action + " at " + i); 5169 j--; 5170 N--; 5171 } 5172 } 5173 } 5174 5175 // If the caller didn't request filter information, drop it now 5176 // so we don't have to marshall/unmarshall it. 5177 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5178 rii.filter = null; 5179 } 5180 } 5181 5182 // Filter out the caller activity if so requested. 5183 if (caller != null) { 5184 N = results.size(); 5185 for (int i=0; i<N; i++) { 5186 ActivityInfo ainfo = results.get(i).activityInfo; 5187 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5188 && caller.getClassName().equals(ainfo.name)) { 5189 results.remove(i); 5190 break; 5191 } 5192 } 5193 } 5194 5195 // If the caller didn't request filter information, 5196 // drop them now so we don't have to 5197 // marshall/unmarshall it. 5198 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5199 N = results.size(); 5200 for (int i=0; i<N; i++) { 5201 results.get(i).filter = null; 5202 } 5203 } 5204 5205 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5206 return results; 5207 } 5208 5209 @Override 5210 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5211 int userId) { 5212 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5213 flags = augmentFlagsForUser(flags, userId); 5214 ComponentName comp = intent.getComponent(); 5215 if (comp == null) { 5216 if (intent.getSelector() != null) { 5217 intent = intent.getSelector(); 5218 comp = intent.getComponent(); 5219 } 5220 } 5221 if (comp != null) { 5222 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5223 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5224 if (ai != null) { 5225 ResolveInfo ri = new ResolveInfo(); 5226 ri.activityInfo = ai; 5227 list.add(ri); 5228 } 5229 return list; 5230 } 5231 5232 // reader 5233 synchronized (mPackages) { 5234 String pkgName = intent.getPackage(); 5235 if (pkgName == null) { 5236 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5237 } 5238 final PackageParser.Package pkg = mPackages.get(pkgName); 5239 if (pkg != null) { 5240 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5241 userId); 5242 } 5243 return null; 5244 } 5245 } 5246 5247 @Override 5248 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5249 if (!sUserManager.exists(userId)) return null; 5250 flags = augmentFlagsForUser(flags, userId); 5251 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5252 if (query != null) { 5253 if (query.size() >= 1) { 5254 // If there is more than one service with the same priority, 5255 // just arbitrarily pick the first one. 5256 return query.get(0); 5257 } 5258 } 5259 return null; 5260 } 5261 5262 @Override 5263 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5264 int userId) { 5265 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5266 flags = augmentFlagsForUser(flags, userId); 5267 ComponentName comp = intent.getComponent(); 5268 if (comp == null) { 5269 if (intent.getSelector() != null) { 5270 intent = intent.getSelector(); 5271 comp = intent.getComponent(); 5272 } 5273 } 5274 if (comp != null) { 5275 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5276 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5277 if (si != null) { 5278 final ResolveInfo ri = new ResolveInfo(); 5279 ri.serviceInfo = si; 5280 list.add(ri); 5281 } 5282 return list; 5283 } 5284 5285 // reader 5286 synchronized (mPackages) { 5287 String pkgName = intent.getPackage(); 5288 if (pkgName == null) { 5289 return mServices.queryIntent(intent, resolvedType, flags, userId); 5290 } 5291 final PackageParser.Package pkg = mPackages.get(pkgName); 5292 if (pkg != null) { 5293 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5294 userId); 5295 } 5296 return null; 5297 } 5298 } 5299 5300 @Override 5301 public List<ResolveInfo> queryIntentContentProviders( 5302 Intent intent, String resolvedType, int flags, int userId) { 5303 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5304 flags = augmentFlagsForUser(flags, userId); 5305 ComponentName comp = intent.getComponent(); 5306 if (comp == null) { 5307 if (intent.getSelector() != null) { 5308 intent = intent.getSelector(); 5309 comp = intent.getComponent(); 5310 } 5311 } 5312 if (comp != null) { 5313 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5314 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5315 if (pi != null) { 5316 final ResolveInfo ri = new ResolveInfo(); 5317 ri.providerInfo = pi; 5318 list.add(ri); 5319 } 5320 return list; 5321 } 5322 5323 // reader 5324 synchronized (mPackages) { 5325 String pkgName = intent.getPackage(); 5326 if (pkgName == null) { 5327 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5328 } 5329 final PackageParser.Package pkg = mPackages.get(pkgName); 5330 if (pkg != null) { 5331 return mProviders.queryIntentForPackage( 5332 intent, resolvedType, flags, pkg.providers, userId); 5333 } 5334 return null; 5335 } 5336 } 5337 5338 @Override 5339 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5340 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5341 5342 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5343 5344 // writer 5345 synchronized (mPackages) { 5346 ArrayList<PackageInfo> list; 5347 if (listUninstalled) { 5348 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5349 for (PackageSetting ps : mSettings.mPackages.values()) { 5350 PackageInfo pi; 5351 if (ps.pkg != null) { 5352 pi = generatePackageInfo(ps.pkg, flags, userId); 5353 } else { 5354 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5355 } 5356 if (pi != null) { 5357 list.add(pi); 5358 } 5359 } 5360 } else { 5361 list = new ArrayList<PackageInfo>(mPackages.size()); 5362 for (PackageParser.Package p : mPackages.values()) { 5363 PackageInfo pi = generatePackageInfo(p, flags, userId); 5364 if (pi != null) { 5365 list.add(pi); 5366 } 5367 } 5368 } 5369 5370 return new ParceledListSlice<PackageInfo>(list); 5371 } 5372 } 5373 5374 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5375 String[] permissions, boolean[] tmp, int flags, int userId) { 5376 int numMatch = 0; 5377 final PermissionsState permissionsState = ps.getPermissionsState(); 5378 for (int i=0; i<permissions.length; i++) { 5379 final String permission = permissions[i]; 5380 if (permissionsState.hasPermission(permission, userId)) { 5381 tmp[i] = true; 5382 numMatch++; 5383 } else { 5384 tmp[i] = false; 5385 } 5386 } 5387 if (numMatch == 0) { 5388 return; 5389 } 5390 PackageInfo pi; 5391 if (ps.pkg != null) { 5392 pi = generatePackageInfo(ps.pkg, flags, userId); 5393 } else { 5394 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5395 } 5396 // The above might return null in cases of uninstalled apps or install-state 5397 // skew across users/profiles. 5398 if (pi != null) { 5399 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5400 if (numMatch == permissions.length) { 5401 pi.requestedPermissions = permissions; 5402 } else { 5403 pi.requestedPermissions = new String[numMatch]; 5404 numMatch = 0; 5405 for (int i=0; i<permissions.length; i++) { 5406 if (tmp[i]) { 5407 pi.requestedPermissions[numMatch] = permissions[i]; 5408 numMatch++; 5409 } 5410 } 5411 } 5412 } 5413 list.add(pi); 5414 } 5415 } 5416 5417 @Override 5418 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5419 String[] permissions, int flags, int userId) { 5420 if (!sUserManager.exists(userId)) return null; 5421 flags = augmentFlagsForUser(flags, userId); 5422 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5423 5424 // writer 5425 synchronized (mPackages) { 5426 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5427 boolean[] tmpBools = new boolean[permissions.length]; 5428 if (listUninstalled) { 5429 for (PackageSetting ps : mSettings.mPackages.values()) { 5430 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5431 } 5432 } else { 5433 for (PackageParser.Package pkg : mPackages.values()) { 5434 PackageSetting ps = (PackageSetting)pkg.mExtras; 5435 if (ps != null) { 5436 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5437 userId); 5438 } 5439 } 5440 } 5441 5442 return new ParceledListSlice<PackageInfo>(list); 5443 } 5444 } 5445 5446 @Override 5447 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5448 if (!sUserManager.exists(userId)) return null; 5449 flags = augmentFlagsForUser(flags, userId); 5450 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5451 5452 // writer 5453 synchronized (mPackages) { 5454 ArrayList<ApplicationInfo> list; 5455 if (listUninstalled) { 5456 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5457 for (PackageSetting ps : mSettings.mPackages.values()) { 5458 ApplicationInfo ai; 5459 if (ps.pkg != null) { 5460 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5461 ps.readUserState(userId), userId); 5462 } else { 5463 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5464 } 5465 if (ai != null) { 5466 list.add(ai); 5467 } 5468 } 5469 } else { 5470 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5471 for (PackageParser.Package p : mPackages.values()) { 5472 if (p.mExtras != null) { 5473 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5474 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5475 if (ai != null) { 5476 list.add(ai); 5477 } 5478 } 5479 } 5480 } 5481 5482 return new ParceledListSlice<ApplicationInfo>(list); 5483 } 5484 } 5485 5486 public List<ApplicationInfo> getPersistentApplications(int flags) { 5487 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5488 5489 // reader 5490 synchronized (mPackages) { 5491 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5492 final int userId = UserHandle.getCallingUserId(); 5493 while (i.hasNext()) { 5494 final PackageParser.Package p = i.next(); 5495 if (p.applicationInfo != null 5496 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5497 && (!mSafeMode || isSystemApp(p))) { 5498 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5499 if (ps != null) { 5500 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5501 ps.readUserState(userId), userId); 5502 if (ai != null) { 5503 finalList.add(ai); 5504 } 5505 } 5506 } 5507 } 5508 } 5509 5510 return finalList; 5511 } 5512 5513 @Override 5514 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5515 if (!sUserManager.exists(userId)) return null; 5516 flags = augmentFlagsForUser(flags, userId); 5517 // reader 5518 synchronized (mPackages) { 5519 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5520 PackageSetting ps = provider != null 5521 ? mSettings.mPackages.get(provider.owner.packageName) 5522 : null; 5523 return ps != null 5524 && mSettings.isEnabledAndVisibleLPr(provider.info, flags, userId) 5525 && (!mSafeMode || (provider.info.applicationInfo.flags 5526 &ApplicationInfo.FLAG_SYSTEM) != 0) 5527 ? PackageParser.generateProviderInfo(provider, flags, 5528 ps.readUserState(userId), userId) 5529 : null; 5530 } 5531 } 5532 5533 /** 5534 * @deprecated 5535 */ 5536 @Deprecated 5537 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5538 // reader 5539 synchronized (mPackages) { 5540 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5541 .entrySet().iterator(); 5542 final int userId = UserHandle.getCallingUserId(); 5543 while (i.hasNext()) { 5544 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5545 PackageParser.Provider p = entry.getValue(); 5546 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5547 5548 if (ps != null && p.syncable 5549 && (!mSafeMode || (p.info.applicationInfo.flags 5550 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5551 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5552 ps.readUserState(userId), userId); 5553 if (info != null) { 5554 outNames.add(entry.getKey()); 5555 outInfo.add(info); 5556 } 5557 } 5558 } 5559 } 5560 } 5561 5562 @Override 5563 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5564 int uid, int flags) { 5565 final int userId = processName != null ? UserHandle.getUserId(uid) 5566 : UserHandle.getCallingUserId(); 5567 if (!sUserManager.exists(userId)) return null; 5568 flags = augmentFlagsForUser(flags, userId); 5569 5570 ArrayList<ProviderInfo> finalList = null; 5571 // reader 5572 synchronized (mPackages) { 5573 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5574 while (i.hasNext()) { 5575 final PackageParser.Provider p = i.next(); 5576 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5577 if (ps != null && p.info.authority != null 5578 && (processName == null 5579 || (p.info.processName.equals(processName) 5580 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5581 && mSettings.isEnabledAndVisibleLPr(p.info, flags, userId) 5582 && (!mSafeMode 5583 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5584 if (finalList == null) { 5585 finalList = new ArrayList<ProviderInfo>(3); 5586 } 5587 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5588 ps.readUserState(userId), userId); 5589 if (info != null) { 5590 finalList.add(info); 5591 } 5592 } 5593 } 5594 } 5595 5596 if (finalList != null) { 5597 Collections.sort(finalList, mProviderInitOrderSorter); 5598 return new ParceledListSlice<ProviderInfo>(finalList); 5599 } 5600 5601 return null; 5602 } 5603 5604 @Override 5605 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 5606 int flags) { 5607 // reader 5608 synchronized (mPackages) { 5609 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5610 return PackageParser.generateInstrumentationInfo(i, flags); 5611 } 5612 } 5613 5614 @Override 5615 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 5616 int flags) { 5617 ArrayList<InstrumentationInfo> finalList = 5618 new ArrayList<InstrumentationInfo>(); 5619 5620 // reader 5621 synchronized (mPackages) { 5622 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 5623 while (i.hasNext()) { 5624 final PackageParser.Instrumentation p = i.next(); 5625 if (targetPackage == null 5626 || targetPackage.equals(p.info.targetPackage)) { 5627 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 5628 flags); 5629 if (ii != null) { 5630 finalList.add(ii); 5631 } 5632 } 5633 } 5634 } 5635 5636 return finalList; 5637 } 5638 5639 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 5640 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 5641 if (overlays == null) { 5642 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 5643 return; 5644 } 5645 for (PackageParser.Package opkg : overlays.values()) { 5646 // Not much to do if idmap fails: we already logged the error 5647 // and we certainly don't want to abort installation of pkg simply 5648 // because an overlay didn't fit properly. For these reasons, 5649 // ignore the return value of createIdmapForPackagePairLI. 5650 createIdmapForPackagePairLI(pkg, opkg); 5651 } 5652 } 5653 5654 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 5655 PackageParser.Package opkg) { 5656 if (!opkg.mTrustedOverlay) { 5657 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 5658 opkg.baseCodePath + ": overlay not trusted"); 5659 return false; 5660 } 5661 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 5662 if (overlaySet == null) { 5663 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 5664 opkg.baseCodePath + " but target package has no known overlays"); 5665 return false; 5666 } 5667 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 5668 // TODO: generate idmap for split APKs 5669 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 5670 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 5671 + opkg.baseCodePath); 5672 return false; 5673 } 5674 PackageParser.Package[] overlayArray = 5675 overlaySet.values().toArray(new PackageParser.Package[0]); 5676 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 5677 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 5678 return p1.mOverlayPriority - p2.mOverlayPriority; 5679 } 5680 }; 5681 Arrays.sort(overlayArray, cmp); 5682 5683 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 5684 int i = 0; 5685 for (PackageParser.Package p : overlayArray) { 5686 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 5687 } 5688 return true; 5689 } 5690 5691 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5692 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 5693 try { 5694 scanDirLI(dir, parseFlags, scanFlags, currentTime); 5695 } finally { 5696 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5697 } 5698 } 5699 5700 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5701 final File[] files = dir.listFiles(); 5702 if (ArrayUtils.isEmpty(files)) { 5703 Log.d(TAG, "No files in app dir " + dir); 5704 return; 5705 } 5706 5707 if (DEBUG_PACKAGE_SCANNING) { 5708 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 5709 + " flags=0x" + Integer.toHexString(parseFlags)); 5710 } 5711 5712 for (File file : files) { 5713 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 5714 && !PackageInstallerService.isStageName(file.getName()); 5715 if (!isPackage) { 5716 // Ignore entries which are not packages 5717 continue; 5718 } 5719 try { 5720 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 5721 scanFlags, currentTime, null); 5722 } catch (PackageManagerException e) { 5723 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 5724 5725 // Delete invalid userdata apps 5726 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 5727 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 5728 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 5729 if (file.isDirectory()) { 5730 mInstaller.rmPackageDir(file.getAbsolutePath()); 5731 } else { 5732 file.delete(); 5733 } 5734 } 5735 } 5736 } 5737 } 5738 5739 private static File getSettingsProblemFile() { 5740 File dataDir = Environment.getDataDirectory(); 5741 File systemDir = new File(dataDir, "system"); 5742 File fname = new File(systemDir, "uiderrors.txt"); 5743 return fname; 5744 } 5745 5746 static void reportSettingsProblem(int priority, String msg) { 5747 logCriticalInfo(priority, msg); 5748 } 5749 5750 static void logCriticalInfo(int priority, String msg) { 5751 Slog.println(priority, TAG, msg); 5752 EventLogTags.writePmCriticalInfo(msg); 5753 try { 5754 File fname = getSettingsProblemFile(); 5755 FileOutputStream out = new FileOutputStream(fname, true); 5756 PrintWriter pw = new FastPrintWriter(out); 5757 SimpleDateFormat formatter = new SimpleDateFormat(); 5758 String dateString = formatter.format(new Date(System.currentTimeMillis())); 5759 pw.println(dateString + ": " + msg); 5760 pw.close(); 5761 FileUtils.setPermissions( 5762 fname.toString(), 5763 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 5764 -1, -1); 5765 } catch (java.io.IOException e) { 5766 } 5767 } 5768 5769 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 5770 PackageParser.Package pkg, File srcFile, int parseFlags) 5771 throws PackageManagerException { 5772 if (ps != null 5773 && ps.codePath.equals(srcFile) 5774 && ps.timeStamp == srcFile.lastModified() 5775 && !isCompatSignatureUpdateNeeded(pkg) 5776 && !isRecoverSignatureUpdateNeeded(pkg)) { 5777 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 5778 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5779 ArraySet<PublicKey> signingKs; 5780 synchronized (mPackages) { 5781 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 5782 } 5783 if (ps.signatures.mSignatures != null 5784 && ps.signatures.mSignatures.length != 0 5785 && signingKs != null) { 5786 // Optimization: reuse the existing cached certificates 5787 // if the package appears to be unchanged. 5788 pkg.mSignatures = ps.signatures.mSignatures; 5789 pkg.mSigningKeys = signingKs; 5790 return; 5791 } 5792 5793 Slog.w(TAG, "PackageSetting for " + ps.name 5794 + " is missing signatures. Collecting certs again to recover them."); 5795 } else { 5796 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 5797 } 5798 5799 try { 5800 pp.collectCertificates(pkg, parseFlags); 5801 pp.collectManifestDigest(pkg); 5802 } catch (PackageParserException e) { 5803 throw PackageManagerException.from(e); 5804 } 5805 } 5806 5807 /** 5808 * Traces a package scan. 5809 * @see #scanPackageLI(File, int, int, long, UserHandle) 5810 */ 5811 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 5812 long currentTime, UserHandle user) throws PackageManagerException { 5813 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 5814 try { 5815 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 5816 } finally { 5817 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5818 } 5819 } 5820 5821 /** 5822 * Scans a package and returns the newly parsed package. 5823 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 5824 */ 5825 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 5826 long currentTime, UserHandle user) throws PackageManagerException { 5827 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 5828 parseFlags |= mDefParseFlags; 5829 PackageParser pp = new PackageParser(); 5830 pp.setSeparateProcesses(mSeparateProcesses); 5831 pp.setOnlyCoreApps(mOnlyCore); 5832 pp.setDisplayMetrics(mMetrics); 5833 5834 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 5835 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 5836 } 5837 5838 final PackageParser.Package pkg; 5839 try { 5840 pkg = pp.parsePackage(scanFile, parseFlags); 5841 } catch (PackageParserException e) { 5842 throw PackageManagerException.from(e); 5843 } 5844 5845 PackageSetting ps = null; 5846 PackageSetting updatedPkg; 5847 // reader 5848 synchronized (mPackages) { 5849 // Look to see if we already know about this package. 5850 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 5851 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 5852 // This package has been renamed to its original name. Let's 5853 // use that. 5854 ps = mSettings.peekPackageLPr(oldName); 5855 } 5856 // If there was no original package, see one for the real package name. 5857 if (ps == null) { 5858 ps = mSettings.peekPackageLPr(pkg.packageName); 5859 } 5860 // Check to see if this package could be hiding/updating a system 5861 // package. Must look for it either under the original or real 5862 // package name depending on our state. 5863 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 5864 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 5865 } 5866 boolean updatedPkgBetter = false; 5867 // First check if this is a system package that may involve an update 5868 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 5869 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 5870 // it needs to drop FLAG_PRIVILEGED. 5871 if (locationIsPrivileged(scanFile)) { 5872 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5873 } else { 5874 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5875 } 5876 5877 if (ps != null && !ps.codePath.equals(scanFile)) { 5878 // The path has changed from what was last scanned... check the 5879 // version of the new path against what we have stored to determine 5880 // what to do. 5881 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 5882 if (pkg.mVersionCode <= ps.versionCode) { 5883 // The system package has been updated and the code path does not match 5884 // Ignore entry. Skip it. 5885 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 5886 + " ignored: updated version " + ps.versionCode 5887 + " better than this " + pkg.mVersionCode); 5888 if (!updatedPkg.codePath.equals(scanFile)) { 5889 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 5890 + ps.name + " changing from " + updatedPkg.codePathString 5891 + " to " + scanFile); 5892 updatedPkg.codePath = scanFile; 5893 updatedPkg.codePathString = scanFile.toString(); 5894 updatedPkg.resourcePath = scanFile; 5895 updatedPkg.resourcePathString = scanFile.toString(); 5896 } 5897 updatedPkg.pkg = pkg; 5898 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5899 "Package " + ps.name + " at " + scanFile 5900 + " ignored: updated version " + ps.versionCode 5901 + " better than this " + pkg.mVersionCode); 5902 } else { 5903 // The current app on the system partition is better than 5904 // what we have updated to on the data partition; switch 5905 // back to the system partition version. 5906 // At this point, its safely assumed that package installation for 5907 // apps in system partition will go through. If not there won't be a working 5908 // version of the app 5909 // writer 5910 synchronized (mPackages) { 5911 // Just remove the loaded entries from package lists. 5912 mPackages.remove(ps.name); 5913 } 5914 5915 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5916 + " reverting from " + ps.codePathString 5917 + ": new version " + pkg.mVersionCode 5918 + " better than installed " + ps.versionCode); 5919 5920 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5921 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5922 synchronized (mInstallLock) { 5923 args.cleanUpResourcesLI(); 5924 } 5925 synchronized (mPackages) { 5926 mSettings.enableSystemPackageLPw(ps.name); 5927 } 5928 updatedPkgBetter = true; 5929 } 5930 } 5931 } 5932 5933 if (updatedPkg != null) { 5934 // An updated system app will not have the PARSE_IS_SYSTEM flag set 5935 // initially 5936 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 5937 5938 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 5939 // flag set initially 5940 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 5941 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 5942 } 5943 } 5944 5945 // Verify certificates against what was last scanned 5946 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 5947 5948 /* 5949 * A new system app appeared, but we already had a non-system one of the 5950 * same name installed earlier. 5951 */ 5952 boolean shouldHideSystemApp = false; 5953 if (updatedPkg == null && ps != null 5954 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 5955 /* 5956 * Check to make sure the signatures match first. If they don't, 5957 * wipe the installed application and its data. 5958 */ 5959 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 5960 != PackageManager.SIGNATURE_MATCH) { 5961 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 5962 + " signatures don't match existing userdata copy; removing"); 5963 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 5964 ps = null; 5965 } else { 5966 /* 5967 * If the newly-added system app is an older version than the 5968 * already installed version, hide it. It will be scanned later 5969 * and re-added like an update. 5970 */ 5971 if (pkg.mVersionCode <= ps.versionCode) { 5972 shouldHideSystemApp = true; 5973 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 5974 + " but new version " + pkg.mVersionCode + " better than installed " 5975 + ps.versionCode + "; hiding system"); 5976 } else { 5977 /* 5978 * The newly found system app is a newer version that the 5979 * one previously installed. Simply remove the 5980 * already-installed application and replace it with our own 5981 * while keeping the application data. 5982 */ 5983 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5984 + " reverting from " + ps.codePathString + ": new version " 5985 + pkg.mVersionCode + " better than installed " + ps.versionCode); 5986 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5987 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5988 synchronized (mInstallLock) { 5989 args.cleanUpResourcesLI(); 5990 } 5991 } 5992 } 5993 } 5994 5995 // The apk is forward locked (not public) if its code and resources 5996 // are kept in different files. (except for app in either system or 5997 // vendor path). 5998 // TODO grab this value from PackageSettings 5999 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6000 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6001 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6002 } 6003 } 6004 6005 // TODO: extend to support forward-locked splits 6006 String resourcePath = null; 6007 String baseResourcePath = null; 6008 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6009 if (ps != null && ps.resourcePathString != null) { 6010 resourcePath = ps.resourcePathString; 6011 baseResourcePath = ps.resourcePathString; 6012 } else { 6013 // Should not happen at all. Just log an error. 6014 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 6015 } 6016 } else { 6017 resourcePath = pkg.codePath; 6018 baseResourcePath = pkg.baseCodePath; 6019 } 6020 6021 // Set application objects path explicitly. 6022 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 6023 pkg.applicationInfo.setCodePath(pkg.codePath); 6024 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 6025 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 6026 pkg.applicationInfo.setResourcePath(resourcePath); 6027 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 6028 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 6029 6030 // Note that we invoke the following method only if we are about to unpack an application 6031 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6032 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6033 6034 /* 6035 * If the system app should be overridden by a previously installed 6036 * data, hide the system app now and let the /data/app scan pick it up 6037 * again. 6038 */ 6039 if (shouldHideSystemApp) { 6040 synchronized (mPackages) { 6041 mSettings.disableSystemPackageLPw(pkg.packageName); 6042 } 6043 } 6044 6045 return scannedPkg; 6046 } 6047 6048 private static String fixProcessName(String defProcessName, 6049 String processName, int uid) { 6050 if (processName == null) { 6051 return defProcessName; 6052 } 6053 return processName; 6054 } 6055 6056 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6057 throws PackageManagerException { 6058 if (pkgSetting.signatures.mSignatures != null) { 6059 // Already existing package. Make sure signatures match 6060 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6061 == PackageManager.SIGNATURE_MATCH; 6062 if (!match) { 6063 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6064 == PackageManager.SIGNATURE_MATCH; 6065 } 6066 if (!match) { 6067 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6068 == PackageManager.SIGNATURE_MATCH; 6069 } 6070 if (!match) { 6071 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6072 + pkg.packageName + " signatures do not match the " 6073 + "previously installed version; ignoring!"); 6074 } 6075 } 6076 6077 // Check for shared user signatures 6078 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6079 // Already existing package. Make sure signatures match 6080 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6081 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6082 if (!match) { 6083 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6084 == PackageManager.SIGNATURE_MATCH; 6085 } 6086 if (!match) { 6087 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6088 == PackageManager.SIGNATURE_MATCH; 6089 } 6090 if (!match) { 6091 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6092 "Package " + pkg.packageName 6093 + " has no signatures that match those in shared user " 6094 + pkgSetting.sharedUser.name + "; ignoring!"); 6095 } 6096 } 6097 } 6098 6099 /** 6100 * Enforces that only the system UID or root's UID can call a method exposed 6101 * via Binder. 6102 * 6103 * @param message used as message if SecurityException is thrown 6104 * @throws SecurityException if the caller is not system or root 6105 */ 6106 private static final void enforceSystemOrRoot(String message) { 6107 final int uid = Binder.getCallingUid(); 6108 if (uid != Process.SYSTEM_UID && uid != 0) { 6109 throw new SecurityException(message); 6110 } 6111 } 6112 6113 @Override 6114 public void performFstrimIfNeeded() { 6115 enforceSystemOrRoot("Only the system can request fstrim"); 6116 6117 // Before everything else, see whether we need to fstrim. 6118 try { 6119 IMountService ms = PackageHelper.getMountService(); 6120 if (ms != null) { 6121 final boolean isUpgrade = isUpgrade(); 6122 boolean doTrim = isUpgrade; 6123 if (doTrim) { 6124 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6125 } else { 6126 final long interval = android.provider.Settings.Global.getLong( 6127 mContext.getContentResolver(), 6128 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6129 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6130 if (interval > 0) { 6131 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6132 if (timeSinceLast > interval) { 6133 doTrim = true; 6134 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6135 + "; running immediately"); 6136 } 6137 } 6138 } 6139 if (doTrim) { 6140 if (!isFirstBoot()) { 6141 try { 6142 ActivityManagerNative.getDefault().showBootMessage( 6143 mContext.getResources().getString( 6144 R.string.android_upgrading_fstrim), true); 6145 } catch (RemoteException e) { 6146 } 6147 } 6148 ms.runMaintenance(); 6149 } 6150 } else { 6151 Slog.e(TAG, "Mount service unavailable!"); 6152 } 6153 } catch (RemoteException e) { 6154 // Can't happen; MountService is local 6155 } 6156 } 6157 6158 private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) { 6159 List<ResolveInfo> ris = null; 6160 try { 6161 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6162 intent, null, 0, userId); 6163 } catch (RemoteException e) { 6164 } 6165 ArraySet<String> pkgNames = new ArraySet<String>(); 6166 if (ris != null) { 6167 for (ResolveInfo ri : ris) { 6168 pkgNames.add(ri.activityInfo.packageName); 6169 } 6170 } 6171 return pkgNames; 6172 } 6173 6174 @Override 6175 public void notifyPackageUse(String packageName) { 6176 synchronized (mPackages) { 6177 PackageParser.Package p = mPackages.get(packageName); 6178 if (p == null) { 6179 return; 6180 } 6181 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6182 } 6183 } 6184 6185 @Override 6186 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6187 return performDexOptTraced(packageName, instructionSet); 6188 } 6189 6190 public boolean performDexOpt(String packageName, String instructionSet) { 6191 return performDexOptTraced(packageName, instructionSet); 6192 } 6193 6194 private boolean performDexOptTraced(String packageName, String instructionSet) { 6195 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6196 try { 6197 return performDexOptInternal(packageName, instructionSet); 6198 } finally { 6199 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6200 } 6201 } 6202 6203 private boolean performDexOptInternal(String packageName, String instructionSet) { 6204 PackageParser.Package p; 6205 final String targetInstructionSet; 6206 synchronized (mPackages) { 6207 p = mPackages.get(packageName); 6208 if (p == null) { 6209 return false; 6210 } 6211 mPackageUsage.write(false); 6212 6213 targetInstructionSet = instructionSet != null ? instructionSet : 6214 getPrimaryInstructionSet(p.applicationInfo); 6215 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6216 return false; 6217 } 6218 } 6219 long callingId = Binder.clearCallingIdentity(); 6220 try { 6221 synchronized (mInstallLock) { 6222 final String[] instructionSets = new String[] { targetInstructionSet }; 6223 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6224 true /* inclDependencies */); 6225 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6226 } 6227 } finally { 6228 Binder.restoreCallingIdentity(callingId); 6229 } 6230 } 6231 6232 public ArraySet<String> getPackagesThatNeedDexOpt() { 6233 ArraySet<String> pkgs = null; 6234 synchronized (mPackages) { 6235 for (PackageParser.Package p : mPackages.values()) { 6236 if (DEBUG_DEXOPT) { 6237 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6238 } 6239 if (!p.mDexOptPerformed.isEmpty()) { 6240 continue; 6241 } 6242 if (pkgs == null) { 6243 pkgs = new ArraySet<String>(); 6244 } 6245 pkgs.add(p.packageName); 6246 } 6247 } 6248 return pkgs; 6249 } 6250 6251 public void shutdown() { 6252 mPackageUsage.write(true); 6253 } 6254 6255 @Override 6256 public void forceDexOpt(String packageName) { 6257 enforceSystemOrRoot("forceDexOpt"); 6258 6259 PackageParser.Package pkg; 6260 synchronized (mPackages) { 6261 pkg = mPackages.get(packageName); 6262 if (pkg == null) { 6263 throw new IllegalArgumentException("Missing package: " + packageName); 6264 } 6265 } 6266 6267 synchronized (mInstallLock) { 6268 final String[] instructionSets = new String[] { 6269 getPrimaryInstructionSet(pkg.applicationInfo) }; 6270 6271 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6272 6273 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6274 true /* inclDependencies */); 6275 6276 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6277 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6278 throw new IllegalStateException("Failed to dexopt: " + res); 6279 } 6280 } 6281 } 6282 6283 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6284 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6285 Slog.w(TAG, "Unable to update from " + oldPkg.name 6286 + " to " + newPkg.packageName 6287 + ": old package not in system partition"); 6288 return false; 6289 } else if (mPackages.get(oldPkg.name) != null) { 6290 Slog.w(TAG, "Unable to update from " + oldPkg.name 6291 + " to " + newPkg.packageName 6292 + ": old package still exists"); 6293 return false; 6294 } 6295 return true; 6296 } 6297 6298 private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) { 6299 int[] users = sUserManager.getUserIds(); 6300 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6301 if (res < 0) { 6302 return res; 6303 } 6304 for (int user : users) { 6305 if (user != 0) { 6306 res = mInstaller.createUserData(volumeUuid, packageName, 6307 UserHandle.getUid(user, uid), user, seinfo); 6308 if (res < 0) { 6309 return res; 6310 } 6311 } 6312 } 6313 return res; 6314 } 6315 6316 private int removeDataDirsLI(String volumeUuid, String packageName) { 6317 int[] users = sUserManager.getUserIds(); 6318 int res = 0; 6319 for (int user : users) { 6320 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6321 if (resInner < 0) { 6322 res = resInner; 6323 } 6324 } 6325 6326 return res; 6327 } 6328 6329 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6330 int[] users = sUserManager.getUserIds(); 6331 int res = 0; 6332 for (int user : users) { 6333 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6334 if (resInner < 0) { 6335 res = resInner; 6336 } 6337 } 6338 return res; 6339 } 6340 6341 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6342 PackageParser.Package changingLib) { 6343 if (file.path != null) { 6344 usesLibraryFiles.add(file.path); 6345 return; 6346 } 6347 PackageParser.Package p = mPackages.get(file.apk); 6348 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6349 // If we are doing this while in the middle of updating a library apk, 6350 // then we need to make sure to use that new apk for determining the 6351 // dependencies here. (We haven't yet finished committing the new apk 6352 // to the package manager state.) 6353 if (p == null || p.packageName.equals(changingLib.packageName)) { 6354 p = changingLib; 6355 } 6356 } 6357 if (p != null) { 6358 usesLibraryFiles.addAll(p.getAllCodePaths()); 6359 } 6360 } 6361 6362 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6363 PackageParser.Package changingLib) throws PackageManagerException { 6364 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6365 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6366 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6367 for (int i=0; i<N; i++) { 6368 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6369 if (file == null) { 6370 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6371 "Package " + pkg.packageName + " requires unavailable shared library " 6372 + pkg.usesLibraries.get(i) + "; failing!"); 6373 } 6374 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6375 } 6376 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6377 for (int i=0; i<N; i++) { 6378 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6379 if (file == null) { 6380 Slog.w(TAG, "Package " + pkg.packageName 6381 + " desires unavailable shared library " 6382 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6383 } else { 6384 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6385 } 6386 } 6387 N = usesLibraryFiles.size(); 6388 if (N > 0) { 6389 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6390 } else { 6391 pkg.usesLibraryFiles = null; 6392 } 6393 } 6394 } 6395 6396 private static boolean hasString(List<String> list, List<String> which) { 6397 if (list == null) { 6398 return false; 6399 } 6400 for (int i=list.size()-1; i>=0; i--) { 6401 for (int j=which.size()-1; j>=0; j--) { 6402 if (which.get(j).equals(list.get(i))) { 6403 return true; 6404 } 6405 } 6406 } 6407 return false; 6408 } 6409 6410 private void updateAllSharedLibrariesLPw() { 6411 for (PackageParser.Package pkg : mPackages.values()) { 6412 try { 6413 updateSharedLibrariesLPw(pkg, null); 6414 } catch (PackageManagerException e) { 6415 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6416 } 6417 } 6418 } 6419 6420 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6421 PackageParser.Package changingPkg) { 6422 ArrayList<PackageParser.Package> res = null; 6423 for (PackageParser.Package pkg : mPackages.values()) { 6424 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6425 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6426 if (res == null) { 6427 res = new ArrayList<PackageParser.Package>(); 6428 } 6429 res.add(pkg); 6430 try { 6431 updateSharedLibrariesLPw(pkg, changingPkg); 6432 } catch (PackageManagerException e) { 6433 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6434 } 6435 } 6436 } 6437 return res; 6438 } 6439 6440 /** 6441 * Derive the value of the {@code cpuAbiOverride} based on the provided 6442 * value and an optional stored value from the package settings. 6443 */ 6444 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6445 String cpuAbiOverride = null; 6446 6447 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6448 cpuAbiOverride = null; 6449 } else if (abiOverride != null) { 6450 cpuAbiOverride = abiOverride; 6451 } else if (settings != null) { 6452 cpuAbiOverride = settings.cpuAbiOverrideString; 6453 } 6454 6455 return cpuAbiOverride; 6456 } 6457 6458 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 6459 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6460 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6461 try { 6462 return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 6463 } finally { 6464 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6465 } 6466 } 6467 6468 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6469 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6470 boolean success = false; 6471 try { 6472 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6473 currentTime, user); 6474 success = true; 6475 return res; 6476 } finally { 6477 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6478 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6479 } 6480 } 6481 } 6482 6483 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6484 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6485 final File scanFile = new File(pkg.codePath); 6486 if (pkg.applicationInfo.getCodePath() == null || 6487 pkg.applicationInfo.getResourcePath() == null) { 6488 // Bail out. The resource and code paths haven't been set. 6489 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6490 "Code and resource paths haven't been set correctly"); 6491 } 6492 6493 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6494 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6495 } else { 6496 // Only allow system apps to be flagged as core apps. 6497 pkg.coreApp = false; 6498 } 6499 6500 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6501 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6502 } 6503 6504 if (mCustomResolverComponentName != null && 6505 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6506 setUpCustomResolverActivity(pkg); 6507 } 6508 6509 if (pkg.packageName.equals("android")) { 6510 synchronized (mPackages) { 6511 if (mAndroidApplication != null) { 6512 Slog.w(TAG, "*************************************************"); 6513 Slog.w(TAG, "Core android package being redefined. Skipping."); 6514 Slog.w(TAG, " file=" + scanFile); 6515 Slog.w(TAG, "*************************************************"); 6516 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6517 "Core android package being redefined. Skipping."); 6518 } 6519 6520 // Set up information for our fall-back user intent resolution activity. 6521 mPlatformPackage = pkg; 6522 pkg.mVersionCode = mSdkVersion; 6523 mAndroidApplication = pkg.applicationInfo; 6524 6525 if (!mResolverReplaced) { 6526 mResolveActivity.applicationInfo = mAndroidApplication; 6527 mResolveActivity.name = ResolverActivity.class.getName(); 6528 mResolveActivity.packageName = mAndroidApplication.packageName; 6529 mResolveActivity.processName = "system:ui"; 6530 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6531 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6532 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6533 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6534 mResolveActivity.exported = true; 6535 mResolveActivity.enabled = true; 6536 mResolveInfo.activityInfo = mResolveActivity; 6537 mResolveInfo.priority = 0; 6538 mResolveInfo.preferredOrder = 0; 6539 mResolveInfo.match = 0; 6540 mResolveComponentName = new ComponentName( 6541 mAndroidApplication.packageName, mResolveActivity.name); 6542 } 6543 } 6544 } 6545 6546 if (DEBUG_PACKAGE_SCANNING) { 6547 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6548 Log.d(TAG, "Scanning package " + pkg.packageName); 6549 } 6550 6551 if (mPackages.containsKey(pkg.packageName) 6552 || mSharedLibraries.containsKey(pkg.packageName)) { 6553 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6554 "Application package " + pkg.packageName 6555 + " already installed. Skipping duplicate."); 6556 } 6557 6558 // If we're only installing presumed-existing packages, require that the 6559 // scanned APK is both already known and at the path previously established 6560 // for it. Previously unknown packages we pick up normally, but if we have an 6561 // a priori expectation about this package's install presence, enforce it. 6562 // With a singular exception for new system packages. When an OTA contains 6563 // a new system package, we allow the codepath to change from a system location 6564 // to the user-installed location. If we don't allow this change, any newer, 6565 // user-installed version of the application will be ignored. 6566 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6567 if (mExpectingBetter.containsKey(pkg.packageName)) { 6568 logCriticalInfo(Log.WARN, 6569 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6570 } else { 6571 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6572 if (known != null) { 6573 if (DEBUG_PACKAGE_SCANNING) { 6574 Log.d(TAG, "Examining " + pkg.codePath 6575 + " and requiring known paths " + known.codePathString 6576 + " & " + known.resourcePathString); 6577 } 6578 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6579 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6580 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6581 "Application package " + pkg.packageName 6582 + " found at " + pkg.applicationInfo.getCodePath() 6583 + " but expected at " + known.codePathString + "; ignoring."); 6584 } 6585 } 6586 } 6587 } 6588 6589 // Initialize package source and resource directories 6590 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6591 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6592 6593 SharedUserSetting suid = null; 6594 PackageSetting pkgSetting = null; 6595 6596 if (!isSystemApp(pkg)) { 6597 // Only system apps can use these features. 6598 pkg.mOriginalPackages = null; 6599 pkg.mRealPackage = null; 6600 pkg.mAdoptPermissions = null; 6601 } 6602 6603 // writer 6604 synchronized (mPackages) { 6605 if (pkg.mSharedUserId != null) { 6606 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6607 if (suid == null) { 6608 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6609 "Creating application package " + pkg.packageName 6610 + " for shared user failed"); 6611 } 6612 if (DEBUG_PACKAGE_SCANNING) { 6613 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6614 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 6615 + "): packages=" + suid.packages); 6616 } 6617 } 6618 6619 // Check if we are renaming from an original package name. 6620 PackageSetting origPackage = null; 6621 String realName = null; 6622 if (pkg.mOriginalPackages != null) { 6623 // This package may need to be renamed to a previously 6624 // installed name. Let's check on that... 6625 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 6626 if (pkg.mOriginalPackages.contains(renamed)) { 6627 // This package had originally been installed as the 6628 // original name, and we have already taken care of 6629 // transitioning to the new one. Just update the new 6630 // one to continue using the old name. 6631 realName = pkg.mRealPackage; 6632 if (!pkg.packageName.equals(renamed)) { 6633 // Callers into this function may have already taken 6634 // care of renaming the package; only do it here if 6635 // it is not already done. 6636 pkg.setPackageName(renamed); 6637 } 6638 6639 } else { 6640 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 6641 if ((origPackage = mSettings.peekPackageLPr( 6642 pkg.mOriginalPackages.get(i))) != null) { 6643 // We do have the package already installed under its 6644 // original name... should we use it? 6645 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 6646 // New package is not compatible with original. 6647 origPackage = null; 6648 continue; 6649 } else if (origPackage.sharedUser != null) { 6650 // Make sure uid is compatible between packages. 6651 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 6652 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 6653 + " to " + pkg.packageName + ": old uid " 6654 + origPackage.sharedUser.name 6655 + " differs from " + pkg.mSharedUserId); 6656 origPackage = null; 6657 continue; 6658 } 6659 } else { 6660 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 6661 + pkg.packageName + " to old name " + origPackage.name); 6662 } 6663 break; 6664 } 6665 } 6666 } 6667 } 6668 6669 if (mTransferedPackages.contains(pkg.packageName)) { 6670 Slog.w(TAG, "Package " + pkg.packageName 6671 + " was transferred to another, but its .apk remains"); 6672 } 6673 6674 // Just create the setting, don't add it yet. For already existing packages 6675 // the PkgSetting exists already and doesn't have to be created. 6676 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 6677 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 6678 pkg.applicationInfo.primaryCpuAbi, 6679 pkg.applicationInfo.secondaryCpuAbi, 6680 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 6681 user, false); 6682 if (pkgSetting == null) { 6683 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6684 "Creating application package " + pkg.packageName + " failed"); 6685 } 6686 6687 if (pkgSetting.origPackage != null) { 6688 // If we are first transitioning from an original package, 6689 // fix up the new package's name now. We need to do this after 6690 // looking up the package under its new name, so getPackageLP 6691 // can take care of fiddling things correctly. 6692 pkg.setPackageName(origPackage.name); 6693 6694 // File a report about this. 6695 String msg = "New package " + pkgSetting.realName 6696 + " renamed to replace old package " + pkgSetting.name; 6697 reportSettingsProblem(Log.WARN, msg); 6698 6699 // Make a note of it. 6700 mTransferedPackages.add(origPackage.name); 6701 6702 // No longer need to retain this. 6703 pkgSetting.origPackage = null; 6704 } 6705 6706 if (realName != null) { 6707 // Make a note of it. 6708 mTransferedPackages.add(pkg.packageName); 6709 } 6710 6711 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 6712 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 6713 } 6714 6715 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6716 // Check all shared libraries and map to their actual file path. 6717 // We only do this here for apps not on a system dir, because those 6718 // are the only ones that can fail an install due to this. We 6719 // will take care of the system apps by updating all of their 6720 // library paths after the scan is done. 6721 updateSharedLibrariesLPw(pkg, null); 6722 } 6723 6724 if (mFoundPolicyFile) { 6725 SELinuxMMAC.assignSeinfoValue(pkg); 6726 } 6727 6728 pkg.applicationInfo.uid = pkgSetting.appId; 6729 pkg.mExtras = pkgSetting; 6730 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 6731 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 6732 // We just determined the app is signed correctly, so bring 6733 // over the latest parsed certs. 6734 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6735 } else { 6736 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6737 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6738 "Package " + pkg.packageName + " upgrade keys do not match the " 6739 + "previously installed version"); 6740 } else { 6741 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6742 String msg = "System package " + pkg.packageName 6743 + " signature changed; retaining data."; 6744 reportSettingsProblem(Log.WARN, msg); 6745 } 6746 } 6747 } else { 6748 try { 6749 verifySignaturesLP(pkgSetting, pkg); 6750 // We just determined the app is signed correctly, so bring 6751 // over the latest parsed certs. 6752 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6753 } catch (PackageManagerException e) { 6754 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6755 throw e; 6756 } 6757 // The signature has changed, but this package is in the system 6758 // image... let's recover! 6759 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6760 // However... if this package is part of a shared user, but it 6761 // doesn't match the signature of the shared user, let's fail. 6762 // What this means is that you can't change the signatures 6763 // associated with an overall shared user, which doesn't seem all 6764 // that unreasonable. 6765 if (pkgSetting.sharedUser != null) { 6766 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6767 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 6768 throw new PackageManagerException( 6769 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 6770 "Signature mismatch for shared user : " 6771 + pkgSetting.sharedUser); 6772 } 6773 } 6774 // File a report about this. 6775 String msg = "System package " + pkg.packageName 6776 + " signature changed; retaining data."; 6777 reportSettingsProblem(Log.WARN, msg); 6778 } 6779 } 6780 // Verify that this new package doesn't have any content providers 6781 // that conflict with existing packages. Only do this if the 6782 // package isn't already installed, since we don't want to break 6783 // things that are installed. 6784 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 6785 final int N = pkg.providers.size(); 6786 int i; 6787 for (i=0; i<N; i++) { 6788 PackageParser.Provider p = pkg.providers.get(i); 6789 if (p.info.authority != null) { 6790 String names[] = p.info.authority.split(";"); 6791 for (int j = 0; j < names.length; j++) { 6792 if (mProvidersByAuthority.containsKey(names[j])) { 6793 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6794 final String otherPackageName = 6795 ((other != null && other.getComponentName() != null) ? 6796 other.getComponentName().getPackageName() : "?"); 6797 throw new PackageManagerException( 6798 INSTALL_FAILED_CONFLICTING_PROVIDER, 6799 "Can't install because provider name " + names[j] 6800 + " (in package " + pkg.applicationInfo.packageName 6801 + ") is already used by " + otherPackageName); 6802 } 6803 } 6804 } 6805 } 6806 } 6807 6808 if (pkg.mAdoptPermissions != null) { 6809 // This package wants to adopt ownership of permissions from 6810 // another package. 6811 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 6812 final String origName = pkg.mAdoptPermissions.get(i); 6813 final PackageSetting orig = mSettings.peekPackageLPr(origName); 6814 if (orig != null) { 6815 if (verifyPackageUpdateLPr(orig, pkg)) { 6816 Slog.i(TAG, "Adopting permissions from " + origName + " to " 6817 + pkg.packageName); 6818 mSettings.transferPermissionsLPw(origName, pkg.packageName); 6819 } 6820 } 6821 } 6822 } 6823 } 6824 6825 final String pkgName = pkg.packageName; 6826 6827 final long scanFileTime = scanFile.lastModified(); 6828 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 6829 pkg.applicationInfo.processName = fixProcessName( 6830 pkg.applicationInfo.packageName, 6831 pkg.applicationInfo.processName, 6832 pkg.applicationInfo.uid); 6833 6834 if (pkg != mPlatformPackage) { 6835 // This is a normal package, need to make its data directory. 6836 final File dataPath = Environment.getDataUserCredentialEncryptedPackageDirectory( 6837 pkg.volumeUuid, UserHandle.USER_SYSTEM, pkg.packageName); 6838 6839 boolean uidError = false; 6840 if (dataPath.exists()) { 6841 int currentUid = 0; 6842 try { 6843 StructStat stat = Os.stat(dataPath.getPath()); 6844 currentUid = stat.st_uid; 6845 } catch (ErrnoException e) { 6846 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 6847 } 6848 6849 // If we have mismatched owners for the data path, we have a problem. 6850 if (currentUid != pkg.applicationInfo.uid) { 6851 boolean recovered = false; 6852 if (currentUid == 0) { 6853 // The directory somehow became owned by root. Wow. 6854 // This is probably because the system was stopped while 6855 // installd was in the middle of messing with its libs 6856 // directory. Ask installd to fix that. 6857 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 6858 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 6859 if (ret >= 0) { 6860 recovered = true; 6861 String msg = "Package " + pkg.packageName 6862 + " unexpectedly changed to uid 0; recovered to " + 6863 + pkg.applicationInfo.uid; 6864 reportSettingsProblem(Log.WARN, msg); 6865 } 6866 } 6867 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6868 || (scanFlags&SCAN_BOOTING) != 0)) { 6869 // If this is a system app, we can at least delete its 6870 // current data so the application will still work. 6871 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 6872 if (ret >= 0) { 6873 // TODO: Kill the processes first 6874 // Old data gone! 6875 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6876 ? "System package " : "Third party package "; 6877 String msg = prefix + pkg.packageName 6878 + " has changed from uid: " 6879 + currentUid + " to " 6880 + pkg.applicationInfo.uid + "; old data erased"; 6881 reportSettingsProblem(Log.WARN, msg); 6882 recovered = true; 6883 6884 // And now re-install the app. 6885 ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6886 pkg.applicationInfo.seinfo); 6887 if (ret == -1) { 6888 // Ack should not happen! 6889 msg = prefix + pkg.packageName 6890 + " could not have data directory re-created after delete."; 6891 reportSettingsProblem(Log.WARN, msg); 6892 throw new PackageManagerException( 6893 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 6894 } 6895 } 6896 if (!recovered) { 6897 mHasSystemUidErrors = true; 6898 } 6899 } else if (!recovered) { 6900 // If we allow this install to proceed, we will be broken. 6901 // Abort, abort! 6902 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 6903 "scanPackageLI"); 6904 } 6905 if (!recovered) { 6906 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 6907 + pkg.applicationInfo.uid + "/fs_" 6908 + currentUid; 6909 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 6910 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 6911 String msg = "Package " + pkg.packageName 6912 + " has mismatched uid: " 6913 + currentUid + " on disk, " 6914 + pkg.applicationInfo.uid + " in settings"; 6915 // writer 6916 synchronized (mPackages) { 6917 mSettings.mReadMessages.append(msg); 6918 mSettings.mReadMessages.append('\n'); 6919 uidError = true; 6920 if (!pkgSetting.uidError) { 6921 reportSettingsProblem(Log.ERROR, msg); 6922 } 6923 } 6924 } 6925 } 6926 6927 if (mShouldRestoreconData) { 6928 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 6929 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 6930 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 6931 } 6932 } else { 6933 if (DEBUG_PACKAGE_SCANNING) { 6934 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6935 Log.v(TAG, "Want this data dir: " + dataPath); 6936 } 6937 //invoke installer to do the actual installation 6938 int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6939 pkg.applicationInfo.seinfo); 6940 if (ret < 0) { 6941 // Error from installer 6942 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6943 "Unable to create data dirs [errorCode=" + ret + "]"); 6944 } 6945 } 6946 6947 // Get all of our default paths setup 6948 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 6949 6950 pkgSetting.uidError = uidError; 6951 } 6952 6953 final String path = scanFile.getPath(); 6954 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 6955 6956 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 6957 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 6958 6959 // Some system apps still use directory structure for native libraries 6960 // in which case we might end up not detecting abi solely based on apk 6961 // structure. Try to detect abi based on directory structure. 6962 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 6963 pkg.applicationInfo.primaryCpuAbi == null) { 6964 setBundledAppAbisAndRoots(pkg, pkgSetting); 6965 setNativeLibraryPaths(pkg); 6966 } 6967 6968 } else { 6969 if ((scanFlags & SCAN_MOVE) != 0) { 6970 // We haven't run dex-opt for this move (since we've moved the compiled output too) 6971 // but we already have this packages package info in the PackageSetting. We just 6972 // use that and derive the native library path based on the new codepath. 6973 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 6974 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 6975 } 6976 6977 // Set native library paths again. For moves, the path will be updated based on the 6978 // ABIs we've determined above. For non-moves, the path will be updated based on the 6979 // ABIs we determined during compilation, but the path will depend on the final 6980 // package path (after the rename away from the stage path). 6981 setNativeLibraryPaths(pkg); 6982 } 6983 6984 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 6985 final int[] userIds = sUserManager.getUserIds(); 6986 synchronized (mInstallLock) { 6987 // Make sure all user data directories are ready to roll; we're okay 6988 // if they already exist 6989 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 6990 for (int userId : userIds) { 6991 if (userId != UserHandle.USER_SYSTEM) { 6992 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 6993 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 6994 pkg.applicationInfo.seinfo); 6995 } 6996 } 6997 } 6998 6999 // Create a native library symlink only if we have native libraries 7000 // and if the native libraries are 32 bit libraries. We do not provide 7001 // this symlink for 64 bit libraries. 7002 if (pkg.applicationInfo.primaryCpuAbi != null && 7003 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7004 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "linkNativeLib"); 7005 try { 7006 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7007 for (int userId : userIds) { 7008 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7009 nativeLibPath, userId) < 0) { 7010 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7011 "Failed linking native library dir (user=" + userId + ")"); 7012 } 7013 } 7014 } finally { 7015 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7016 } 7017 } 7018 } 7019 7020 // This is a special case for the "system" package, where the ABI is 7021 // dictated by the zygote configuration (and init.rc). We should keep track 7022 // of this ABI so that we can deal with "normal" applications that run under 7023 // the same UID correctly. 7024 if (mPlatformPackage == pkg) { 7025 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7026 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7027 } 7028 7029 // If there's a mismatch between the abi-override in the package setting 7030 // and the abiOverride specified for the install. Warn about this because we 7031 // would've already compiled the app without taking the package setting into 7032 // account. 7033 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7034 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7035 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7036 " for package: " + pkg.packageName); 7037 } 7038 } 7039 7040 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7041 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7042 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7043 7044 // Copy the derived override back to the parsed package, so that we can 7045 // update the package settings accordingly. 7046 pkg.cpuAbiOverride = cpuAbiOverride; 7047 7048 if (DEBUG_ABI_SELECTION) { 7049 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7050 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7051 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7052 } 7053 7054 // Push the derived path down into PackageSettings so we know what to 7055 // clean up at uninstall time. 7056 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7057 7058 if (DEBUG_ABI_SELECTION) { 7059 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7060 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7061 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7062 } 7063 7064 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7065 // We don't do this here during boot because we can do it all 7066 // at once after scanning all existing packages. 7067 // 7068 // We also do this *before* we perform dexopt on this package, so that 7069 // we can avoid redundant dexopts, and also to make sure we've got the 7070 // code and package path correct. 7071 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7072 pkg, true /* boot complete */); 7073 } 7074 7075 if (mFactoryTest && pkg.requestedPermissions.contains( 7076 android.Manifest.permission.FACTORY_TEST)) { 7077 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7078 } 7079 7080 ArrayList<PackageParser.Package> clientLibPkgs = null; 7081 7082 // writer 7083 synchronized (mPackages) { 7084 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7085 // Only system apps can add new shared libraries. 7086 if (pkg.libraryNames != null) { 7087 for (int i=0; i<pkg.libraryNames.size(); i++) { 7088 String name = pkg.libraryNames.get(i); 7089 boolean allowed = false; 7090 if (pkg.isUpdatedSystemApp()) { 7091 // New library entries can only be added through the 7092 // system image. This is important to get rid of a lot 7093 // of nasty edge cases: for example if we allowed a non- 7094 // system update of the app to add a library, then uninstalling 7095 // the update would make the library go away, and assumptions 7096 // we made such as through app install filtering would now 7097 // have allowed apps on the device which aren't compatible 7098 // with it. Better to just have the restriction here, be 7099 // conservative, and create many fewer cases that can negatively 7100 // impact the user experience. 7101 final PackageSetting sysPs = mSettings 7102 .getDisabledSystemPkgLPr(pkg.packageName); 7103 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7104 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7105 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7106 allowed = true; 7107 break; 7108 } 7109 } 7110 } 7111 } else { 7112 allowed = true; 7113 } 7114 if (allowed) { 7115 if (!mSharedLibraries.containsKey(name)) { 7116 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7117 } else if (!name.equals(pkg.packageName)) { 7118 Slog.w(TAG, "Package " + pkg.packageName + " library " 7119 + name + " already exists; skipping"); 7120 } 7121 } else { 7122 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7123 + name + " that is not declared on system image; skipping"); 7124 } 7125 } 7126 if ((scanFlags & SCAN_BOOTING) == 0) { 7127 // If we are not booting, we need to update any applications 7128 // that are clients of our shared library. If we are booting, 7129 // this will all be done once the scan is complete. 7130 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7131 } 7132 } 7133 } 7134 } 7135 7136 // Request the ActivityManager to kill the process(only for existing packages) 7137 // so that we do not end up in a confused state while the user is still using the older 7138 // version of the application while the new one gets installed. 7139 if ((scanFlags & SCAN_REPLACING) != 0) { 7140 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7141 7142 killApplication(pkg.applicationInfo.packageName, 7143 pkg.applicationInfo.uid, "replace pkg"); 7144 7145 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7146 } 7147 7148 // Also need to kill any apps that are dependent on the library. 7149 if (clientLibPkgs != null) { 7150 for (int i=0; i<clientLibPkgs.size(); i++) { 7151 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7152 killApplication(clientPkg.applicationInfo.packageName, 7153 clientPkg.applicationInfo.uid, "update lib"); 7154 } 7155 } 7156 7157 // Make sure we're not adding any bogus keyset info 7158 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7159 ksms.assertScannedPackageValid(pkg); 7160 7161 // writer 7162 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7163 7164 boolean createIdmapFailed = false; 7165 synchronized (mPackages) { 7166 // We don't expect installation to fail beyond this point 7167 7168 // Add the new setting to mSettings 7169 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7170 // Add the new setting to mPackages 7171 mPackages.put(pkg.applicationInfo.packageName, pkg); 7172 // Make sure we don't accidentally delete its data. 7173 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7174 while (iter.hasNext()) { 7175 PackageCleanItem item = iter.next(); 7176 if (pkgName.equals(item.packageName)) { 7177 iter.remove(); 7178 } 7179 } 7180 7181 // Take care of first install / last update times. 7182 if (currentTime != 0) { 7183 if (pkgSetting.firstInstallTime == 0) { 7184 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7185 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7186 pkgSetting.lastUpdateTime = currentTime; 7187 } 7188 } else if (pkgSetting.firstInstallTime == 0) { 7189 // We need *something*. Take time time stamp of the file. 7190 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7191 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7192 if (scanFileTime != pkgSetting.timeStamp) { 7193 // A package on the system image has changed; consider this 7194 // to be an update. 7195 pkgSetting.lastUpdateTime = scanFileTime; 7196 } 7197 } 7198 7199 // Add the package's KeySets to the global KeySetManagerService 7200 ksms.addScannedPackageLPw(pkg); 7201 7202 int N = pkg.providers.size(); 7203 StringBuilder r = null; 7204 int i; 7205 for (i=0; i<N; i++) { 7206 PackageParser.Provider p = pkg.providers.get(i); 7207 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7208 p.info.processName, pkg.applicationInfo.uid); 7209 mProviders.addProvider(p); 7210 p.syncable = p.info.isSyncable; 7211 if (p.info.authority != null) { 7212 String names[] = p.info.authority.split(";"); 7213 p.info.authority = null; 7214 for (int j = 0; j < names.length; j++) { 7215 if (j == 1 && p.syncable) { 7216 // We only want the first authority for a provider to possibly be 7217 // syncable, so if we already added this provider using a different 7218 // authority clear the syncable flag. We copy the provider before 7219 // changing it because the mProviders object contains a reference 7220 // to a provider that we don't want to change. 7221 // Only do this for the second authority since the resulting provider 7222 // object can be the same for all future authorities for this provider. 7223 p = new PackageParser.Provider(p); 7224 p.syncable = false; 7225 } 7226 if (!mProvidersByAuthority.containsKey(names[j])) { 7227 mProvidersByAuthority.put(names[j], p); 7228 if (p.info.authority == null) { 7229 p.info.authority = names[j]; 7230 } else { 7231 p.info.authority = p.info.authority + ";" + names[j]; 7232 } 7233 if (DEBUG_PACKAGE_SCANNING) { 7234 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7235 Log.d(TAG, "Registered content provider: " + names[j] 7236 + ", className = " + p.info.name + ", isSyncable = " 7237 + p.info.isSyncable); 7238 } 7239 } else { 7240 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7241 Slog.w(TAG, "Skipping provider name " + names[j] + 7242 " (in package " + pkg.applicationInfo.packageName + 7243 "): name already used by " 7244 + ((other != null && other.getComponentName() != null) 7245 ? other.getComponentName().getPackageName() : "?")); 7246 } 7247 } 7248 } 7249 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7250 if (r == null) { 7251 r = new StringBuilder(256); 7252 } else { 7253 r.append(' '); 7254 } 7255 r.append(p.info.name); 7256 } 7257 } 7258 if (r != null) { 7259 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7260 } 7261 7262 N = pkg.services.size(); 7263 r = null; 7264 for (i=0; i<N; i++) { 7265 PackageParser.Service s = pkg.services.get(i); 7266 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7267 s.info.processName, pkg.applicationInfo.uid); 7268 mServices.addService(s); 7269 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7270 if (r == null) { 7271 r = new StringBuilder(256); 7272 } else { 7273 r.append(' '); 7274 } 7275 r.append(s.info.name); 7276 } 7277 } 7278 if (r != null) { 7279 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7280 } 7281 7282 N = pkg.receivers.size(); 7283 r = null; 7284 for (i=0; i<N; i++) { 7285 PackageParser.Activity a = pkg.receivers.get(i); 7286 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7287 a.info.processName, pkg.applicationInfo.uid); 7288 mReceivers.addActivity(a, "receiver"); 7289 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7290 if (r == null) { 7291 r = new StringBuilder(256); 7292 } else { 7293 r.append(' '); 7294 } 7295 r.append(a.info.name); 7296 } 7297 } 7298 if (r != null) { 7299 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7300 } 7301 7302 N = pkg.activities.size(); 7303 r = null; 7304 for (i=0; i<N; i++) { 7305 PackageParser.Activity a = pkg.activities.get(i); 7306 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7307 a.info.processName, pkg.applicationInfo.uid); 7308 mActivities.addActivity(a, "activity"); 7309 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7310 if (r == null) { 7311 r = new StringBuilder(256); 7312 } else { 7313 r.append(' '); 7314 } 7315 r.append(a.info.name); 7316 } 7317 } 7318 if (r != null) { 7319 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7320 } 7321 7322 N = pkg.permissionGroups.size(); 7323 r = null; 7324 for (i=0; i<N; i++) { 7325 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7326 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7327 if (cur == null) { 7328 mPermissionGroups.put(pg.info.name, pg); 7329 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7330 if (r == null) { 7331 r = new StringBuilder(256); 7332 } else { 7333 r.append(' '); 7334 } 7335 r.append(pg.info.name); 7336 } 7337 } else { 7338 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7339 + pg.info.packageName + " ignored: original from " 7340 + cur.info.packageName); 7341 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7342 if (r == null) { 7343 r = new StringBuilder(256); 7344 } else { 7345 r.append(' '); 7346 } 7347 r.append("DUP:"); 7348 r.append(pg.info.name); 7349 } 7350 } 7351 } 7352 if (r != null) { 7353 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7354 } 7355 7356 N = pkg.permissions.size(); 7357 r = null; 7358 for (i=0; i<N; i++) { 7359 PackageParser.Permission p = pkg.permissions.get(i); 7360 7361 // Assume by default that we did not install this permission into the system. 7362 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7363 7364 // Now that permission groups have a special meaning, we ignore permission 7365 // groups for legacy apps to prevent unexpected behavior. In particular, 7366 // permissions for one app being granted to someone just becuase they happen 7367 // to be in a group defined by another app (before this had no implications). 7368 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7369 p.group = mPermissionGroups.get(p.info.group); 7370 // Warn for a permission in an unknown group. 7371 if (p.info.group != null && p.group == null) { 7372 Slog.w(TAG, "Permission " + p.info.name + " from package " 7373 + p.info.packageName + " in an unknown group " + p.info.group); 7374 } 7375 } 7376 7377 ArrayMap<String, BasePermission> permissionMap = 7378 p.tree ? mSettings.mPermissionTrees 7379 : mSettings.mPermissions; 7380 BasePermission bp = permissionMap.get(p.info.name); 7381 7382 // Allow system apps to redefine non-system permissions 7383 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7384 final boolean currentOwnerIsSystem = (bp.perm != null 7385 && isSystemApp(bp.perm.owner)); 7386 if (isSystemApp(p.owner)) { 7387 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7388 // It's a built-in permission and no owner, take ownership now 7389 bp.packageSetting = pkgSetting; 7390 bp.perm = p; 7391 bp.uid = pkg.applicationInfo.uid; 7392 bp.sourcePackage = p.info.packageName; 7393 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7394 } else if (!currentOwnerIsSystem) { 7395 String msg = "New decl " + p.owner + " of permission " 7396 + p.info.name + " is system; overriding " + bp.sourcePackage; 7397 reportSettingsProblem(Log.WARN, msg); 7398 bp = null; 7399 } 7400 } 7401 } 7402 7403 if (bp == null) { 7404 bp = new BasePermission(p.info.name, p.info.packageName, 7405 BasePermission.TYPE_NORMAL); 7406 permissionMap.put(p.info.name, bp); 7407 } 7408 7409 if (bp.perm == null) { 7410 if (bp.sourcePackage == null 7411 || bp.sourcePackage.equals(p.info.packageName)) { 7412 BasePermission tree = findPermissionTreeLP(p.info.name); 7413 if (tree == null 7414 || tree.sourcePackage.equals(p.info.packageName)) { 7415 bp.packageSetting = pkgSetting; 7416 bp.perm = p; 7417 bp.uid = pkg.applicationInfo.uid; 7418 bp.sourcePackage = p.info.packageName; 7419 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7420 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7421 if (r == null) { 7422 r = new StringBuilder(256); 7423 } else { 7424 r.append(' '); 7425 } 7426 r.append(p.info.name); 7427 } 7428 } else { 7429 Slog.w(TAG, "Permission " + p.info.name + " from package " 7430 + p.info.packageName + " ignored: base tree " 7431 + tree.name + " is from package " 7432 + tree.sourcePackage); 7433 } 7434 } else { 7435 Slog.w(TAG, "Permission " + p.info.name + " from package " 7436 + p.info.packageName + " ignored: original from " 7437 + bp.sourcePackage); 7438 } 7439 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7440 if (r == null) { 7441 r = new StringBuilder(256); 7442 } else { 7443 r.append(' '); 7444 } 7445 r.append("DUP:"); 7446 r.append(p.info.name); 7447 } 7448 if (bp.perm == p) { 7449 bp.protectionLevel = p.info.protectionLevel; 7450 } 7451 } 7452 7453 if (r != null) { 7454 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7455 } 7456 7457 N = pkg.instrumentation.size(); 7458 r = null; 7459 for (i=0; i<N; i++) { 7460 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7461 a.info.packageName = pkg.applicationInfo.packageName; 7462 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7463 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7464 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7465 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7466 a.info.dataDir = pkg.applicationInfo.dataDir; 7467 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 7468 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 7469 7470 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7471 // need other information about the application, like the ABI and what not ? 7472 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7473 mInstrumentation.put(a.getComponentName(), a); 7474 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7475 if (r == null) { 7476 r = new StringBuilder(256); 7477 } else { 7478 r.append(' '); 7479 } 7480 r.append(a.info.name); 7481 } 7482 } 7483 if (r != null) { 7484 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7485 } 7486 7487 if (pkg.protectedBroadcasts != null) { 7488 N = pkg.protectedBroadcasts.size(); 7489 for (i=0; i<N; i++) { 7490 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7491 } 7492 } 7493 7494 pkgSetting.setTimeStamp(scanFileTime); 7495 7496 // Create idmap files for pairs of (packages, overlay packages). 7497 // Note: "android", ie framework-res.apk, is handled by native layers. 7498 if (pkg.mOverlayTarget != null) { 7499 // This is an overlay package. 7500 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7501 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7502 mOverlays.put(pkg.mOverlayTarget, 7503 new ArrayMap<String, PackageParser.Package>()); 7504 } 7505 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7506 map.put(pkg.packageName, pkg); 7507 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7508 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7509 createIdmapFailed = true; 7510 } 7511 } 7512 } else if (mOverlays.containsKey(pkg.packageName) && 7513 !pkg.packageName.equals("android")) { 7514 // This is a regular package, with one or more known overlay packages. 7515 createIdmapsForPackageLI(pkg); 7516 } 7517 } 7518 7519 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7520 7521 if (createIdmapFailed) { 7522 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7523 "scanPackageLI failed to createIdmap"); 7524 } 7525 return pkg; 7526 } 7527 7528 /** 7529 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7530 * is derived purely on the basis of the contents of {@code scanFile} and 7531 * {@code cpuAbiOverride}. 7532 * 7533 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7534 */ 7535 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7536 String cpuAbiOverride, boolean extractLibs) 7537 throws PackageManagerException { 7538 // TODO: We can probably be smarter about this stuff. For installed apps, 7539 // we can calculate this information at install time once and for all. For 7540 // system apps, we can probably assume that this information doesn't change 7541 // after the first boot scan. As things stand, we do lots of unnecessary work. 7542 7543 // Give ourselves some initial paths; we'll come back for another 7544 // pass once we've determined ABI below. 7545 setNativeLibraryPaths(pkg); 7546 7547 // We would never need to extract libs for forward-locked and external packages, 7548 // since the container service will do it for us. We shouldn't attempt to 7549 // extract libs from system app when it was not updated. 7550 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 7551 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 7552 extractLibs = false; 7553 } 7554 7555 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7556 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7557 7558 NativeLibraryHelper.Handle handle = null; 7559 try { 7560 handle = NativeLibraryHelper.Handle.create(pkg); 7561 // TODO(multiArch): This can be null for apps that didn't go through the 7562 // usual installation process. We can calculate it again, like we 7563 // do during install time. 7564 // 7565 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7566 // unnecessary. 7567 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7568 7569 // Null out the abis so that they can be recalculated. 7570 pkg.applicationInfo.primaryCpuAbi = null; 7571 pkg.applicationInfo.secondaryCpuAbi = null; 7572 if (isMultiArch(pkg.applicationInfo)) { 7573 // Warn if we've set an abiOverride for multi-lib packages.. 7574 // By definition, we need to copy both 32 and 64 bit libraries for 7575 // such packages. 7576 if (pkg.cpuAbiOverride != null 7577 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7578 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7579 } 7580 7581 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7582 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7583 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7584 if (extractLibs) { 7585 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7586 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7587 useIsaSpecificSubdirs); 7588 } else { 7589 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7590 } 7591 } 7592 7593 maybeThrowExceptionForMultiArchCopy( 7594 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7595 7596 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7597 if (extractLibs) { 7598 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7599 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7600 useIsaSpecificSubdirs); 7601 } else { 7602 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7603 } 7604 } 7605 7606 maybeThrowExceptionForMultiArchCopy( 7607 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7608 7609 if (abi64 >= 0) { 7610 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7611 } 7612 7613 if (abi32 >= 0) { 7614 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7615 if (abi64 >= 0) { 7616 pkg.applicationInfo.secondaryCpuAbi = abi; 7617 } else { 7618 pkg.applicationInfo.primaryCpuAbi = abi; 7619 } 7620 } 7621 } else { 7622 String[] abiList = (cpuAbiOverride != null) ? 7623 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7624 7625 // Enable gross and lame hacks for apps that are built with old 7626 // SDK tools. We must scan their APKs for renderscript bitcode and 7627 // not launch them if it's present. Don't bother checking on devices 7628 // that don't have 64 bit support. 7629 boolean needsRenderScriptOverride = false; 7630 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7631 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7632 abiList = Build.SUPPORTED_32_BIT_ABIS; 7633 needsRenderScriptOverride = true; 7634 } 7635 7636 final int copyRet; 7637 if (extractLibs) { 7638 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7639 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7640 } else { 7641 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7642 } 7643 7644 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7645 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7646 "Error unpackaging native libs for app, errorCode=" + copyRet); 7647 } 7648 7649 if (copyRet >= 0) { 7650 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7651 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7652 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7653 } else if (needsRenderScriptOverride) { 7654 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7655 } 7656 } 7657 } catch (IOException ioe) { 7658 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7659 } finally { 7660 IoUtils.closeQuietly(handle); 7661 } 7662 7663 // Now that we've calculated the ABIs and determined if it's an internal app, 7664 // we will go ahead and populate the nativeLibraryPath. 7665 setNativeLibraryPaths(pkg); 7666 } 7667 7668 /** 7669 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7670 * i.e, so that all packages can be run inside a single process if required. 7671 * 7672 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7673 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7674 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7675 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7676 * updating a package that belongs to a shared user. 7677 * 7678 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7679 * adds unnecessary complexity. 7680 */ 7681 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7682 PackageParser.Package scannedPackage, boolean bootComplete) { 7683 String requiredInstructionSet = null; 7684 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7685 requiredInstructionSet = VMRuntime.getInstructionSet( 7686 scannedPackage.applicationInfo.primaryCpuAbi); 7687 } 7688 7689 PackageSetting requirer = null; 7690 for (PackageSetting ps : packagesForUser) { 7691 // If packagesForUser contains scannedPackage, we skip it. This will happen 7692 // when scannedPackage is an update of an existing package. Without this check, 7693 // we will never be able to change the ABI of any package belonging to a shared 7694 // user, even if it's compatible with other packages. 7695 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7696 if (ps.primaryCpuAbiString == null) { 7697 continue; 7698 } 7699 7700 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 7701 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 7702 // We have a mismatch between instruction sets (say arm vs arm64) warn about 7703 // this but there's not much we can do. 7704 String errorMessage = "Instruction set mismatch, " 7705 + ((requirer == null) ? "[caller]" : requirer) 7706 + " requires " + requiredInstructionSet + " whereas " + ps 7707 + " requires " + instructionSet; 7708 Slog.w(TAG, errorMessage); 7709 } 7710 7711 if (requiredInstructionSet == null) { 7712 requiredInstructionSet = instructionSet; 7713 requirer = ps; 7714 } 7715 } 7716 } 7717 7718 if (requiredInstructionSet != null) { 7719 String adjustedAbi; 7720 if (requirer != null) { 7721 // requirer != null implies that either scannedPackage was null or that scannedPackage 7722 // did not require an ABI, in which case we have to adjust scannedPackage to match 7723 // the ABI of the set (which is the same as requirer's ABI) 7724 adjustedAbi = requirer.primaryCpuAbiString; 7725 if (scannedPackage != null) { 7726 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 7727 } 7728 } else { 7729 // requirer == null implies that we're updating all ABIs in the set to 7730 // match scannedPackage. 7731 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 7732 } 7733 7734 for (PackageSetting ps : packagesForUser) { 7735 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7736 if (ps.primaryCpuAbiString != null) { 7737 continue; 7738 } 7739 7740 ps.primaryCpuAbiString = adjustedAbi; 7741 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7742 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 7743 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 7744 mInstaller.rmdex(ps.codePathString, 7745 getDexCodeInstructionSet(getPreferredInstructionSet())); 7746 } 7747 } 7748 } 7749 } 7750 } 7751 7752 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 7753 synchronized (mPackages) { 7754 mResolverReplaced = true; 7755 // Set up information for custom user intent resolution activity. 7756 mResolveActivity.applicationInfo = pkg.applicationInfo; 7757 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 7758 mResolveActivity.packageName = pkg.applicationInfo.packageName; 7759 mResolveActivity.processName = pkg.applicationInfo.packageName; 7760 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7761 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 7762 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 7763 mResolveActivity.theme = 0; 7764 mResolveActivity.exported = true; 7765 mResolveActivity.enabled = true; 7766 mResolveInfo.activityInfo = mResolveActivity; 7767 mResolveInfo.priority = 0; 7768 mResolveInfo.preferredOrder = 0; 7769 mResolveInfo.match = 0; 7770 mResolveComponentName = mCustomResolverComponentName; 7771 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 7772 mResolveComponentName); 7773 } 7774 } 7775 7776 private static String calculateBundledApkRoot(final String codePathString) { 7777 final File codePath = new File(codePathString); 7778 final File codeRoot; 7779 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 7780 codeRoot = Environment.getRootDirectory(); 7781 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 7782 codeRoot = Environment.getOemDirectory(); 7783 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 7784 codeRoot = Environment.getVendorDirectory(); 7785 } else { 7786 // Unrecognized code path; take its top real segment as the apk root: 7787 // e.g. /something/app/blah.apk => /something 7788 try { 7789 File f = codePath.getCanonicalFile(); 7790 File parent = f.getParentFile(); // non-null because codePath is a file 7791 File tmp; 7792 while ((tmp = parent.getParentFile()) != null) { 7793 f = parent; 7794 parent = tmp; 7795 } 7796 codeRoot = f; 7797 Slog.w(TAG, "Unrecognized code path " 7798 + codePath + " - using " + codeRoot); 7799 } catch (IOException e) { 7800 // Can't canonicalize the code path -- shenanigans? 7801 Slog.w(TAG, "Can't canonicalize code path " + codePath); 7802 return Environment.getRootDirectory().getPath(); 7803 } 7804 } 7805 return codeRoot.getPath(); 7806 } 7807 7808 /** 7809 * Derive and set the location of native libraries for the given package, 7810 * which varies depending on where and how the package was installed. 7811 */ 7812 private void setNativeLibraryPaths(PackageParser.Package pkg) { 7813 final ApplicationInfo info = pkg.applicationInfo; 7814 final String codePath = pkg.codePath; 7815 final File codeFile = new File(codePath); 7816 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 7817 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 7818 7819 info.nativeLibraryRootDir = null; 7820 info.nativeLibraryRootRequiresIsa = false; 7821 info.nativeLibraryDir = null; 7822 info.secondaryNativeLibraryDir = null; 7823 7824 if (isApkFile(codeFile)) { 7825 // Monolithic install 7826 if (bundledApp) { 7827 // If "/system/lib64/apkname" exists, assume that is the per-package 7828 // native library directory to use; otherwise use "/system/lib/apkname". 7829 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 7830 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 7831 getPrimaryInstructionSet(info)); 7832 7833 // This is a bundled system app so choose the path based on the ABI. 7834 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 7835 // is just the default path. 7836 final String apkName = deriveCodePathName(codePath); 7837 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 7838 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 7839 apkName).getAbsolutePath(); 7840 7841 if (info.secondaryCpuAbi != null) { 7842 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 7843 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 7844 secondaryLibDir, apkName).getAbsolutePath(); 7845 } 7846 } else if (asecApp) { 7847 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 7848 .getAbsolutePath(); 7849 } else { 7850 final String apkName = deriveCodePathName(codePath); 7851 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 7852 .getAbsolutePath(); 7853 } 7854 7855 info.nativeLibraryRootRequiresIsa = false; 7856 info.nativeLibraryDir = info.nativeLibraryRootDir; 7857 } else { 7858 // Cluster install 7859 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 7860 info.nativeLibraryRootRequiresIsa = true; 7861 7862 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 7863 getPrimaryInstructionSet(info)).getAbsolutePath(); 7864 7865 if (info.secondaryCpuAbi != null) { 7866 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 7867 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 7868 } 7869 } 7870 } 7871 7872 /** 7873 * Calculate the abis and roots for a bundled app. These can uniquely 7874 * be determined from the contents of the system partition, i.e whether 7875 * it contains 64 or 32 bit shared libraries etc. We do not validate any 7876 * of this information, and instead assume that the system was built 7877 * sensibly. 7878 */ 7879 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 7880 PackageSetting pkgSetting) { 7881 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 7882 7883 // If "/system/lib64/apkname" exists, assume that is the per-package 7884 // native library directory to use; otherwise use "/system/lib/apkname". 7885 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 7886 setBundledAppAbi(pkg, apkRoot, apkName); 7887 // pkgSetting might be null during rescan following uninstall of updates 7888 // to a bundled app, so accommodate that possibility. The settings in 7889 // that case will be established later from the parsed package. 7890 // 7891 // If the settings aren't null, sync them up with what we've just derived. 7892 // note that apkRoot isn't stored in the package settings. 7893 if (pkgSetting != null) { 7894 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7895 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7896 } 7897 } 7898 7899 /** 7900 * Deduces the ABI of a bundled app and sets the relevant fields on the 7901 * parsed pkg object. 7902 * 7903 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 7904 * under which system libraries are installed. 7905 * @param apkName the name of the installed package. 7906 */ 7907 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 7908 final File codeFile = new File(pkg.codePath); 7909 7910 final boolean has64BitLibs; 7911 final boolean has32BitLibs; 7912 if (isApkFile(codeFile)) { 7913 // Monolithic install 7914 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 7915 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 7916 } else { 7917 // Cluster install 7918 final File rootDir = new File(codeFile, LIB_DIR_NAME); 7919 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 7920 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 7921 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 7922 has64BitLibs = (new File(rootDir, isa)).exists(); 7923 } else { 7924 has64BitLibs = false; 7925 } 7926 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 7927 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 7928 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 7929 has32BitLibs = (new File(rootDir, isa)).exists(); 7930 } else { 7931 has32BitLibs = false; 7932 } 7933 } 7934 7935 if (has64BitLibs && !has32BitLibs) { 7936 // The package has 64 bit libs, but not 32 bit libs. Its primary 7937 // ABI should be 64 bit. We can safely assume here that the bundled 7938 // native libraries correspond to the most preferred ABI in the list. 7939 7940 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7941 pkg.applicationInfo.secondaryCpuAbi = null; 7942 } else if (has32BitLibs && !has64BitLibs) { 7943 // The package has 32 bit libs but not 64 bit libs. Its primary 7944 // ABI should be 32 bit. 7945 7946 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7947 pkg.applicationInfo.secondaryCpuAbi = null; 7948 } else if (has32BitLibs && has64BitLibs) { 7949 // The application has both 64 and 32 bit bundled libraries. We check 7950 // here that the app declares multiArch support, and warn if it doesn't. 7951 // 7952 // We will be lenient here and record both ABIs. The primary will be the 7953 // ABI that's higher on the list, i.e, a device that's configured to prefer 7954 // 64 bit apps will see a 64 bit primary ABI, 7955 7956 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 7957 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 7958 } 7959 7960 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 7961 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7962 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7963 } else { 7964 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7965 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7966 } 7967 } else { 7968 pkg.applicationInfo.primaryCpuAbi = null; 7969 pkg.applicationInfo.secondaryCpuAbi = null; 7970 } 7971 } 7972 7973 private void killApplication(String pkgName, int appId, String reason) { 7974 // Request the ActivityManager to kill the process(only for existing packages) 7975 // so that we do not end up in a confused state while the user is still using the older 7976 // version of the application while the new one gets installed. 7977 IActivityManager am = ActivityManagerNative.getDefault(); 7978 if (am != null) { 7979 try { 7980 am.killApplicationWithAppId(pkgName, appId, reason); 7981 } catch (RemoteException e) { 7982 } 7983 } 7984 } 7985 7986 void removePackageLI(PackageSetting ps, boolean chatty) { 7987 if (DEBUG_INSTALL) { 7988 if (chatty) 7989 Log.d(TAG, "Removing package " + ps.name); 7990 } 7991 7992 // writer 7993 synchronized (mPackages) { 7994 mPackages.remove(ps.name); 7995 final PackageParser.Package pkg = ps.pkg; 7996 if (pkg != null) { 7997 cleanPackageDataStructuresLILPw(pkg, chatty); 7998 } 7999 } 8000 } 8001 8002 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8003 if (DEBUG_INSTALL) { 8004 if (chatty) 8005 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8006 } 8007 8008 // writer 8009 synchronized (mPackages) { 8010 mPackages.remove(pkg.applicationInfo.packageName); 8011 cleanPackageDataStructuresLILPw(pkg, chatty); 8012 } 8013 } 8014 8015 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8016 int N = pkg.providers.size(); 8017 StringBuilder r = null; 8018 int i; 8019 for (i=0; i<N; i++) { 8020 PackageParser.Provider p = pkg.providers.get(i); 8021 mProviders.removeProvider(p); 8022 if (p.info.authority == null) { 8023 8024 /* There was another ContentProvider with this authority when 8025 * this app was installed so this authority is null, 8026 * Ignore it as we don't have to unregister the provider. 8027 */ 8028 continue; 8029 } 8030 String names[] = p.info.authority.split(";"); 8031 for (int j = 0; j < names.length; j++) { 8032 if (mProvidersByAuthority.get(names[j]) == p) { 8033 mProvidersByAuthority.remove(names[j]); 8034 if (DEBUG_REMOVE) { 8035 if (chatty) 8036 Log.d(TAG, "Unregistered content provider: " + names[j] 8037 + ", className = " + p.info.name + ", isSyncable = " 8038 + p.info.isSyncable); 8039 } 8040 } 8041 } 8042 if (DEBUG_REMOVE && chatty) { 8043 if (r == null) { 8044 r = new StringBuilder(256); 8045 } else { 8046 r.append(' '); 8047 } 8048 r.append(p.info.name); 8049 } 8050 } 8051 if (r != null) { 8052 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8053 } 8054 8055 N = pkg.services.size(); 8056 r = null; 8057 for (i=0; i<N; i++) { 8058 PackageParser.Service s = pkg.services.get(i); 8059 mServices.removeService(s); 8060 if (chatty) { 8061 if (r == null) { 8062 r = new StringBuilder(256); 8063 } else { 8064 r.append(' '); 8065 } 8066 r.append(s.info.name); 8067 } 8068 } 8069 if (r != null) { 8070 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8071 } 8072 8073 N = pkg.receivers.size(); 8074 r = null; 8075 for (i=0; i<N; i++) { 8076 PackageParser.Activity a = pkg.receivers.get(i); 8077 mReceivers.removeActivity(a, "receiver"); 8078 if (DEBUG_REMOVE && chatty) { 8079 if (r == null) { 8080 r = new StringBuilder(256); 8081 } else { 8082 r.append(' '); 8083 } 8084 r.append(a.info.name); 8085 } 8086 } 8087 if (r != null) { 8088 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8089 } 8090 8091 N = pkg.activities.size(); 8092 r = null; 8093 for (i=0; i<N; i++) { 8094 PackageParser.Activity a = pkg.activities.get(i); 8095 mActivities.removeActivity(a, "activity"); 8096 if (DEBUG_REMOVE && chatty) { 8097 if (r == null) { 8098 r = new StringBuilder(256); 8099 } else { 8100 r.append(' '); 8101 } 8102 r.append(a.info.name); 8103 } 8104 } 8105 if (r != null) { 8106 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8107 } 8108 8109 N = pkg.permissions.size(); 8110 r = null; 8111 for (i=0; i<N; i++) { 8112 PackageParser.Permission p = pkg.permissions.get(i); 8113 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8114 if (bp == null) { 8115 bp = mSettings.mPermissionTrees.get(p.info.name); 8116 } 8117 if (bp != null && bp.perm == p) { 8118 bp.perm = null; 8119 if (DEBUG_REMOVE && chatty) { 8120 if (r == null) { 8121 r = new StringBuilder(256); 8122 } else { 8123 r.append(' '); 8124 } 8125 r.append(p.info.name); 8126 } 8127 } 8128 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8129 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 8130 if (appOpPerms != null) { 8131 appOpPerms.remove(pkg.packageName); 8132 } 8133 } 8134 } 8135 if (r != null) { 8136 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8137 } 8138 8139 N = pkg.requestedPermissions.size(); 8140 r = null; 8141 for (i=0; i<N; i++) { 8142 String perm = pkg.requestedPermissions.get(i); 8143 BasePermission bp = mSettings.mPermissions.get(perm); 8144 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8145 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 8146 if (appOpPerms != null) { 8147 appOpPerms.remove(pkg.packageName); 8148 if (appOpPerms.isEmpty()) { 8149 mAppOpPermissionPackages.remove(perm); 8150 } 8151 } 8152 } 8153 } 8154 if (r != null) { 8155 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8156 } 8157 8158 N = pkg.instrumentation.size(); 8159 r = null; 8160 for (i=0; i<N; i++) { 8161 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8162 mInstrumentation.remove(a.getComponentName()); 8163 if (DEBUG_REMOVE && chatty) { 8164 if (r == null) { 8165 r = new StringBuilder(256); 8166 } else { 8167 r.append(' '); 8168 } 8169 r.append(a.info.name); 8170 } 8171 } 8172 if (r != null) { 8173 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8174 } 8175 8176 r = null; 8177 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8178 // Only system apps can hold shared libraries. 8179 if (pkg.libraryNames != null) { 8180 for (i=0; i<pkg.libraryNames.size(); i++) { 8181 String name = pkg.libraryNames.get(i); 8182 SharedLibraryEntry cur = mSharedLibraries.get(name); 8183 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8184 mSharedLibraries.remove(name); 8185 if (DEBUG_REMOVE && chatty) { 8186 if (r == null) { 8187 r = new StringBuilder(256); 8188 } else { 8189 r.append(' '); 8190 } 8191 r.append(name); 8192 } 8193 } 8194 } 8195 } 8196 } 8197 if (r != null) { 8198 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8199 } 8200 } 8201 8202 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8203 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8204 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8205 return true; 8206 } 8207 } 8208 return false; 8209 } 8210 8211 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8212 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8213 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8214 8215 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 8216 int flags) { 8217 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 8218 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 8219 } 8220 8221 private void updatePermissionsLPw(String changingPkg, 8222 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 8223 // Make sure there are no dangling permission trees. 8224 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8225 while (it.hasNext()) { 8226 final BasePermission bp = it.next(); 8227 if (bp.packageSetting == null) { 8228 // We may not yet have parsed the package, so just see if 8229 // we still know about its settings. 8230 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8231 } 8232 if (bp.packageSetting == null) { 8233 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8234 + " from package " + bp.sourcePackage); 8235 it.remove(); 8236 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8237 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8238 Slog.i(TAG, "Removing old permission tree: " + bp.name 8239 + " from package " + bp.sourcePackage); 8240 flags |= UPDATE_PERMISSIONS_ALL; 8241 it.remove(); 8242 } 8243 } 8244 } 8245 8246 // Make sure all dynamic permissions have been assigned to a package, 8247 // and make sure there are no dangling permissions. 8248 it = mSettings.mPermissions.values().iterator(); 8249 while (it.hasNext()) { 8250 final BasePermission bp = it.next(); 8251 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8252 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8253 + bp.name + " pkg=" + bp.sourcePackage 8254 + " info=" + bp.pendingInfo); 8255 if (bp.packageSetting == null && bp.pendingInfo != null) { 8256 final BasePermission tree = findPermissionTreeLP(bp.name); 8257 if (tree != null && tree.perm != null) { 8258 bp.packageSetting = tree.packageSetting; 8259 bp.perm = new PackageParser.Permission(tree.perm.owner, 8260 new PermissionInfo(bp.pendingInfo)); 8261 bp.perm.info.packageName = tree.perm.info.packageName; 8262 bp.perm.info.name = bp.name; 8263 bp.uid = tree.uid; 8264 } 8265 } 8266 } 8267 if (bp.packageSetting == null) { 8268 // We may not yet have parsed the package, so just see if 8269 // we still know about its settings. 8270 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8271 } 8272 if (bp.packageSetting == null) { 8273 Slog.w(TAG, "Removing dangling permission: " + bp.name 8274 + " from package " + bp.sourcePackage); 8275 it.remove(); 8276 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8277 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8278 Slog.i(TAG, "Removing old permission: " + bp.name 8279 + " from package " + bp.sourcePackage); 8280 flags |= UPDATE_PERMISSIONS_ALL; 8281 it.remove(); 8282 } 8283 } 8284 } 8285 8286 // Now update the permissions for all packages, in particular 8287 // replace the granted permissions of the system packages. 8288 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8289 for (PackageParser.Package pkg : mPackages.values()) { 8290 if (pkg != pkgInfo) { 8291 // Only replace for packages on requested volume 8292 final String volumeUuid = getVolumeUuidForPackage(pkg); 8293 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 8294 && Objects.equals(replaceVolumeUuid, volumeUuid); 8295 grantPermissionsLPw(pkg, replace, changingPkg); 8296 } 8297 } 8298 } 8299 8300 if (pkgInfo != null) { 8301 // Only replace for packages on requested volume 8302 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 8303 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 8304 && Objects.equals(replaceVolumeUuid, volumeUuid); 8305 grantPermissionsLPw(pkgInfo, replace, changingPkg); 8306 } 8307 } 8308 8309 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8310 String packageOfInterest) { 8311 // IMPORTANT: There are two types of permissions: install and runtime. 8312 // Install time permissions are granted when the app is installed to 8313 // all device users and users added in the future. Runtime permissions 8314 // are granted at runtime explicitly to specific users. Normal and signature 8315 // protected permissions are install time permissions. Dangerous permissions 8316 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8317 // otherwise they are runtime permissions. This function does not manage 8318 // runtime permissions except for the case an app targeting Lollipop MR1 8319 // being upgraded to target a newer SDK, in which case dangerous permissions 8320 // are transformed from install time to runtime ones. 8321 8322 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8323 if (ps == null) { 8324 return; 8325 } 8326 8327 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 8328 8329 PermissionsState permissionsState = ps.getPermissionsState(); 8330 PermissionsState origPermissions = permissionsState; 8331 8332 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8333 8334 boolean runtimePermissionsRevoked = false; 8335 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8336 8337 boolean changedInstallPermission = false; 8338 8339 if (replace) { 8340 ps.installPermissionsFixed = false; 8341 if (!ps.isSharedUser()) { 8342 origPermissions = new PermissionsState(permissionsState); 8343 permissionsState.reset(); 8344 } else { 8345 // We need to know only about runtime permission changes since the 8346 // calling code always writes the install permissions state but 8347 // the runtime ones are written only if changed. The only cases of 8348 // changed runtime permissions here are promotion of an install to 8349 // runtime and revocation of a runtime from a shared user. 8350 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 8351 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 8352 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 8353 runtimePermissionsRevoked = true; 8354 } 8355 } 8356 } 8357 8358 permissionsState.setGlobalGids(mGlobalGids); 8359 8360 final int N = pkg.requestedPermissions.size(); 8361 for (int i=0; i<N; i++) { 8362 final String name = pkg.requestedPermissions.get(i); 8363 final BasePermission bp = mSettings.mPermissions.get(name); 8364 8365 if (DEBUG_INSTALL) { 8366 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8367 } 8368 8369 if (bp == null || bp.packageSetting == null) { 8370 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8371 Slog.w(TAG, "Unknown permission " + name 8372 + " in package " + pkg.packageName); 8373 } 8374 continue; 8375 } 8376 8377 final String perm = bp.name; 8378 boolean allowedSig = false; 8379 int grant = GRANT_DENIED; 8380 8381 // Keep track of app op permissions. 8382 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8383 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8384 if (pkgs == null) { 8385 pkgs = new ArraySet<>(); 8386 mAppOpPermissionPackages.put(bp.name, pkgs); 8387 } 8388 pkgs.add(pkg.packageName); 8389 } 8390 8391 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8392 switch (level) { 8393 case PermissionInfo.PROTECTION_NORMAL: { 8394 // For all apps normal permissions are install time ones. 8395 grant = GRANT_INSTALL; 8396 } break; 8397 8398 case PermissionInfo.PROTECTION_DANGEROUS: { 8399 if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) { 8400 // For legacy apps dangerous permissions are install time ones. 8401 grant = GRANT_INSTALL_LEGACY; 8402 } else if (origPermissions.hasInstallPermission(bp.name)) { 8403 // For legacy apps that became modern, install becomes runtime. 8404 grant = GRANT_UPGRADE; 8405 } else if (mPromoteSystemApps 8406 && isSystemApp(ps) 8407 && mExistingSystemPackages.contains(ps.name)) { 8408 // For legacy system apps, install becomes runtime. 8409 // We cannot check hasInstallPermission() for system apps since those 8410 // permissions were granted implicitly and not persisted pre-M. 8411 grant = GRANT_UPGRADE; 8412 } else { 8413 // For modern apps keep runtime permissions unchanged. 8414 grant = GRANT_RUNTIME; 8415 } 8416 } break; 8417 8418 case PermissionInfo.PROTECTION_SIGNATURE: { 8419 // For all apps signature permissions are install time ones. 8420 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8421 if (allowedSig) { 8422 grant = GRANT_INSTALL; 8423 } 8424 } break; 8425 } 8426 8427 if (DEBUG_INSTALL) { 8428 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8429 } 8430 8431 if (grant != GRANT_DENIED) { 8432 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8433 // If this is an existing, non-system package, then 8434 // we can't add any new permissions to it. 8435 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8436 // Except... if this is a permission that was added 8437 // to the platform (note: need to only do this when 8438 // updating the platform). 8439 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8440 grant = GRANT_DENIED; 8441 } 8442 } 8443 } 8444 8445 switch (grant) { 8446 case GRANT_INSTALL: { 8447 // Revoke this as runtime permission to handle the case of 8448 // a runtime permission being downgraded to an install one. 8449 for (int userId : UserManagerService.getInstance().getUserIds()) { 8450 if (origPermissions.getRuntimePermissionState( 8451 bp.name, userId) != null) { 8452 // Revoke the runtime permission and clear the flags. 8453 origPermissions.revokeRuntimePermission(bp, userId); 8454 origPermissions.updatePermissionFlags(bp, userId, 8455 PackageManager.MASK_PERMISSION_FLAGS, 0); 8456 // If we revoked a permission permission, we have to write. 8457 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8458 changedRuntimePermissionUserIds, userId); 8459 } 8460 } 8461 // Grant an install permission. 8462 if (permissionsState.grantInstallPermission(bp) != 8463 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8464 changedInstallPermission = true; 8465 } 8466 } break; 8467 8468 case GRANT_INSTALL_LEGACY: { 8469 // Grant an install permission. 8470 if (permissionsState.grantInstallPermission(bp) != 8471 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8472 changedInstallPermission = true; 8473 } 8474 } break; 8475 8476 case GRANT_RUNTIME: { 8477 // Grant previously granted runtime permissions. 8478 for (int userId : UserManagerService.getInstance().getUserIds()) { 8479 PermissionState permissionState = origPermissions 8480 .getRuntimePermissionState(bp.name, userId); 8481 final int flags = permissionState != null 8482 ? permissionState.getFlags() : 0; 8483 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8484 if (permissionsState.grantRuntimePermission(bp, userId) == 8485 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8486 // If we cannot put the permission as it was, we have to write. 8487 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8488 changedRuntimePermissionUserIds, userId); 8489 } 8490 } 8491 // Propagate the permission flags. 8492 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8493 } 8494 } break; 8495 8496 case GRANT_UPGRADE: { 8497 // Grant runtime permissions for a previously held install permission. 8498 PermissionState permissionState = origPermissions 8499 .getInstallPermissionState(bp.name); 8500 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8501 8502 if (origPermissions.revokeInstallPermission(bp) 8503 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8504 // We will be transferring the permission flags, so clear them. 8505 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8506 PackageManager.MASK_PERMISSION_FLAGS, 0); 8507 changedInstallPermission = true; 8508 } 8509 8510 // If the permission is not to be promoted to runtime we ignore it and 8511 // also its other flags as they are not applicable to install permissions. 8512 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8513 for (int userId : currentUserIds) { 8514 if (permissionsState.grantRuntimePermission(bp, userId) != 8515 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8516 // Transfer the permission flags. 8517 permissionsState.updatePermissionFlags(bp, userId, 8518 flags, flags); 8519 // If we granted the permission, we have to write. 8520 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8521 changedRuntimePermissionUserIds, userId); 8522 } 8523 } 8524 } 8525 } break; 8526 8527 default: { 8528 if (packageOfInterest == null 8529 || packageOfInterest.equals(pkg.packageName)) { 8530 Slog.w(TAG, "Not granting permission " + perm 8531 + " to package " + pkg.packageName 8532 + " because it was previously installed without"); 8533 } 8534 } break; 8535 } 8536 } else { 8537 if (permissionsState.revokeInstallPermission(bp) != 8538 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8539 // Also drop the permission flags. 8540 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8541 PackageManager.MASK_PERMISSION_FLAGS, 0); 8542 changedInstallPermission = true; 8543 Slog.i(TAG, "Un-granting permission " + perm 8544 + " from package " + pkg.packageName 8545 + " (protectionLevel=" + bp.protectionLevel 8546 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8547 + ")"); 8548 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8549 // Don't print warning for app op permissions, since it is fine for them 8550 // not to be granted, there is a UI for the user to decide. 8551 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8552 Slog.w(TAG, "Not granting permission " + perm 8553 + " to package " + pkg.packageName 8554 + " (protectionLevel=" + bp.protectionLevel 8555 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8556 + ")"); 8557 } 8558 } 8559 } 8560 } 8561 8562 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8563 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8564 // This is the first that we have heard about this package, so the 8565 // permissions we have now selected are fixed until explicitly 8566 // changed. 8567 ps.installPermissionsFixed = true; 8568 } 8569 8570 // Persist the runtime permissions state for users with changes. If permissions 8571 // were revoked because no app in the shared user declares them we have to 8572 // write synchronously to avoid losing runtime permissions state. 8573 for (int userId : changedRuntimePermissionUserIds) { 8574 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 8575 } 8576 8577 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8578 } 8579 8580 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8581 boolean allowed = false; 8582 final int NP = PackageParser.NEW_PERMISSIONS.length; 8583 for (int ip=0; ip<NP; ip++) { 8584 final PackageParser.NewPermissionInfo npi 8585 = PackageParser.NEW_PERMISSIONS[ip]; 8586 if (npi.name.equals(perm) 8587 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8588 allowed = true; 8589 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8590 + pkg.packageName); 8591 break; 8592 } 8593 } 8594 return allowed; 8595 } 8596 8597 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8598 BasePermission bp, PermissionsState origPermissions) { 8599 boolean allowed; 8600 allowed = (compareSignatures( 8601 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8602 == PackageManager.SIGNATURE_MATCH) 8603 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8604 == PackageManager.SIGNATURE_MATCH); 8605 if (!allowed && (bp.protectionLevel 8606 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8607 if (isSystemApp(pkg)) { 8608 // For updated system applications, a system permission 8609 // is granted only if it had been defined by the original application. 8610 if (pkg.isUpdatedSystemApp()) { 8611 final PackageSetting sysPs = mSettings 8612 .getDisabledSystemPkgLPr(pkg.packageName); 8613 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8614 // If the original was granted this permission, we take 8615 // that grant decision as read and propagate it to the 8616 // update. 8617 if (sysPs.isPrivileged()) { 8618 allowed = true; 8619 } 8620 } else { 8621 // The system apk may have been updated with an older 8622 // version of the one on the data partition, but which 8623 // granted a new system permission that it didn't have 8624 // before. In this case we do want to allow the app to 8625 // now get the new permission if the ancestral apk is 8626 // privileged to get it. 8627 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8628 for (int j=0; 8629 j<sysPs.pkg.requestedPermissions.size(); j++) { 8630 if (perm.equals( 8631 sysPs.pkg.requestedPermissions.get(j))) { 8632 allowed = true; 8633 break; 8634 } 8635 } 8636 } 8637 } 8638 } else { 8639 allowed = isPrivilegedApp(pkg); 8640 } 8641 } 8642 } 8643 if (!allowed) { 8644 if (!allowed && (bp.protectionLevel 8645 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8646 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 8647 // If this was a previously normal/dangerous permission that got moved 8648 // to a system permission as part of the runtime permission redesign, then 8649 // we still want to blindly grant it to old apps. 8650 allowed = true; 8651 } 8652 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8653 && pkg.packageName.equals(mRequiredInstallerPackage)) { 8654 // If this permission is to be granted to the system installer and 8655 // this app is an installer, then it gets the permission. 8656 allowed = true; 8657 } 8658 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 8659 && pkg.packageName.equals(mRequiredVerifierPackage)) { 8660 // If this permission is to be granted to the system verifier and 8661 // this app is a verifier, then it gets the permission. 8662 allowed = true; 8663 } 8664 if (!allowed && (bp.protectionLevel 8665 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 8666 && isSystemApp(pkg)) { 8667 // Any pre-installed system app is allowed to get this permission. 8668 allowed = true; 8669 } 8670 if (!allowed && (bp.protectionLevel 8671 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 8672 // For development permissions, a development permission 8673 // is granted only if it was already granted. 8674 allowed = origPermissions.hasInstallPermission(perm); 8675 } 8676 } 8677 return allowed; 8678 } 8679 8680 final class ActivityIntentResolver 8681 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 8682 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8683 boolean defaultOnly, int userId) { 8684 if (!sUserManager.exists(userId)) return null; 8685 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8686 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8687 } 8688 8689 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8690 int userId) { 8691 if (!sUserManager.exists(userId)) return null; 8692 mFlags = flags; 8693 return super.queryIntent(intent, resolvedType, 8694 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8695 } 8696 8697 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8698 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 8699 if (!sUserManager.exists(userId)) return null; 8700 if (packageActivities == null) { 8701 return null; 8702 } 8703 mFlags = flags; 8704 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8705 final int N = packageActivities.size(); 8706 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 8707 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 8708 8709 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 8710 for (int i = 0; i < N; ++i) { 8711 intentFilters = packageActivities.get(i).intents; 8712 if (intentFilters != null && intentFilters.size() > 0) { 8713 PackageParser.ActivityIntentInfo[] array = 8714 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 8715 intentFilters.toArray(array); 8716 listCut.add(array); 8717 } 8718 } 8719 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8720 } 8721 8722 public final void addActivity(PackageParser.Activity a, String type) { 8723 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 8724 mActivities.put(a.getComponentName(), a); 8725 if (DEBUG_SHOW_INFO) 8726 Log.v( 8727 TAG, " " + type + " " + 8728 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 8729 if (DEBUG_SHOW_INFO) 8730 Log.v(TAG, " Class=" + a.info.name); 8731 final int NI = a.intents.size(); 8732 for (int j=0; j<NI; j++) { 8733 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8734 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 8735 intent.setPriority(0); 8736 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 8737 + a.className + " with priority > 0, forcing to 0"); 8738 } 8739 if (DEBUG_SHOW_INFO) { 8740 Log.v(TAG, " IntentFilter:"); 8741 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8742 } 8743 if (!intent.debugCheck()) { 8744 Log.w(TAG, "==> For Activity " + a.info.name); 8745 } 8746 addFilter(intent); 8747 } 8748 } 8749 8750 public final void removeActivity(PackageParser.Activity a, String type) { 8751 mActivities.remove(a.getComponentName()); 8752 if (DEBUG_SHOW_INFO) { 8753 Log.v(TAG, " " + type + " " 8754 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 8755 : a.info.name) + ":"); 8756 Log.v(TAG, " Class=" + a.info.name); 8757 } 8758 final int NI = a.intents.size(); 8759 for (int j=0; j<NI; j++) { 8760 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8761 if (DEBUG_SHOW_INFO) { 8762 Log.v(TAG, " IntentFilter:"); 8763 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8764 } 8765 removeFilter(intent); 8766 } 8767 } 8768 8769 @Override 8770 protected boolean allowFilterResult( 8771 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 8772 ActivityInfo filterAi = filter.activity.info; 8773 for (int i=dest.size()-1; i>=0; i--) { 8774 ActivityInfo destAi = dest.get(i).activityInfo; 8775 if (destAi.name == filterAi.name 8776 && destAi.packageName == filterAi.packageName) { 8777 return false; 8778 } 8779 } 8780 return true; 8781 } 8782 8783 @Override 8784 protected ActivityIntentInfo[] newArray(int size) { 8785 return new ActivityIntentInfo[size]; 8786 } 8787 8788 @Override 8789 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 8790 if (!sUserManager.exists(userId)) return true; 8791 PackageParser.Package p = filter.activity.owner; 8792 if (p != null) { 8793 PackageSetting ps = (PackageSetting)p.mExtras; 8794 if (ps != null) { 8795 // System apps are never considered stopped for purposes of 8796 // filtering, because there may be no way for the user to 8797 // actually re-launch them. 8798 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 8799 && ps.getStopped(userId); 8800 } 8801 } 8802 return false; 8803 } 8804 8805 @Override 8806 protected boolean isPackageForFilter(String packageName, 8807 PackageParser.ActivityIntentInfo info) { 8808 return packageName.equals(info.activity.owner.packageName); 8809 } 8810 8811 @Override 8812 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 8813 int match, int userId) { 8814 if (!sUserManager.exists(userId)) return null; 8815 if (!mSettings.isEnabledAndVisibleLPr(info.activity.info, mFlags, userId)) { 8816 return null; 8817 } 8818 final PackageParser.Activity activity = info.activity; 8819 if (mSafeMode && (activity.info.applicationInfo.flags 8820 &ApplicationInfo.FLAG_SYSTEM) == 0) { 8821 return null; 8822 } 8823 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 8824 if (ps == null) { 8825 return null; 8826 } 8827 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 8828 ps.readUserState(userId), userId); 8829 if (ai == null) { 8830 return null; 8831 } 8832 final ResolveInfo res = new ResolveInfo(); 8833 res.activityInfo = ai; 8834 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 8835 res.filter = info; 8836 } 8837 if (info != null) { 8838 res.handleAllWebDataURI = info.handleAllWebDataURI(); 8839 } 8840 res.priority = info.getPriority(); 8841 res.preferredOrder = activity.owner.mPreferredOrder; 8842 //System.out.println("Result: " + res.activityInfo.className + 8843 // " = " + res.priority); 8844 res.match = match; 8845 res.isDefault = info.hasDefault; 8846 res.labelRes = info.labelRes; 8847 res.nonLocalizedLabel = info.nonLocalizedLabel; 8848 if (userNeedsBadging(userId)) { 8849 res.noResourceId = true; 8850 } else { 8851 res.icon = info.icon; 8852 } 8853 res.iconResourceId = info.icon; 8854 res.system = res.activityInfo.applicationInfo.isSystemApp(); 8855 return res; 8856 } 8857 8858 @Override 8859 protected void sortResults(List<ResolveInfo> results) { 8860 Collections.sort(results, mResolvePrioritySorter); 8861 } 8862 8863 @Override 8864 protected void dumpFilter(PrintWriter out, String prefix, 8865 PackageParser.ActivityIntentInfo filter) { 8866 out.print(prefix); out.print( 8867 Integer.toHexString(System.identityHashCode(filter.activity))); 8868 out.print(' '); 8869 filter.activity.printComponentShortName(out); 8870 out.print(" filter "); 8871 out.println(Integer.toHexString(System.identityHashCode(filter))); 8872 } 8873 8874 @Override 8875 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 8876 return filter.activity; 8877 } 8878 8879 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 8880 PackageParser.Activity activity = (PackageParser.Activity)label; 8881 out.print(prefix); out.print( 8882 Integer.toHexString(System.identityHashCode(activity))); 8883 out.print(' '); 8884 activity.printComponentShortName(out); 8885 if (count > 1) { 8886 out.print(" ("); out.print(count); out.print(" filters)"); 8887 } 8888 out.println(); 8889 } 8890 8891// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 8892// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 8893// final List<ResolveInfo> retList = Lists.newArrayList(); 8894// while (i.hasNext()) { 8895// final ResolveInfo resolveInfo = i.next(); 8896// if (isEnabledLP(resolveInfo.activityInfo)) { 8897// retList.add(resolveInfo); 8898// } 8899// } 8900// return retList; 8901// } 8902 8903 // Keys are String (activity class name), values are Activity. 8904 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 8905 = new ArrayMap<ComponentName, PackageParser.Activity>(); 8906 private int mFlags; 8907 } 8908 8909 private final class ServiceIntentResolver 8910 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 8911 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8912 boolean defaultOnly, int userId) { 8913 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8914 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8915 } 8916 8917 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8918 int userId) { 8919 if (!sUserManager.exists(userId)) return null; 8920 mFlags = flags; 8921 return super.queryIntent(intent, resolvedType, 8922 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8923 } 8924 8925 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8926 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 8927 if (!sUserManager.exists(userId)) return null; 8928 if (packageServices == null) { 8929 return null; 8930 } 8931 mFlags = flags; 8932 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8933 final int N = packageServices.size(); 8934 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 8935 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 8936 8937 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 8938 for (int i = 0; i < N; ++i) { 8939 intentFilters = packageServices.get(i).intents; 8940 if (intentFilters != null && intentFilters.size() > 0) { 8941 PackageParser.ServiceIntentInfo[] array = 8942 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 8943 intentFilters.toArray(array); 8944 listCut.add(array); 8945 } 8946 } 8947 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8948 } 8949 8950 public final void addService(PackageParser.Service s) { 8951 mServices.put(s.getComponentName(), s); 8952 if (DEBUG_SHOW_INFO) { 8953 Log.v(TAG, " " 8954 + (s.info.nonLocalizedLabel != null 8955 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8956 Log.v(TAG, " Class=" + s.info.name); 8957 } 8958 final int NI = s.intents.size(); 8959 int j; 8960 for (j=0; j<NI; j++) { 8961 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8962 if (DEBUG_SHOW_INFO) { 8963 Log.v(TAG, " IntentFilter:"); 8964 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8965 } 8966 if (!intent.debugCheck()) { 8967 Log.w(TAG, "==> For Service " + s.info.name); 8968 } 8969 addFilter(intent); 8970 } 8971 } 8972 8973 public final void removeService(PackageParser.Service s) { 8974 mServices.remove(s.getComponentName()); 8975 if (DEBUG_SHOW_INFO) { 8976 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 8977 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8978 Log.v(TAG, " Class=" + s.info.name); 8979 } 8980 final int NI = s.intents.size(); 8981 int j; 8982 for (j=0; j<NI; j++) { 8983 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8984 if (DEBUG_SHOW_INFO) { 8985 Log.v(TAG, " IntentFilter:"); 8986 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8987 } 8988 removeFilter(intent); 8989 } 8990 } 8991 8992 @Override 8993 protected boolean allowFilterResult( 8994 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 8995 ServiceInfo filterSi = filter.service.info; 8996 for (int i=dest.size()-1; i>=0; i--) { 8997 ServiceInfo destAi = dest.get(i).serviceInfo; 8998 if (destAi.name == filterSi.name 8999 && destAi.packageName == filterSi.packageName) { 9000 return false; 9001 } 9002 } 9003 return true; 9004 } 9005 9006 @Override 9007 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9008 return new PackageParser.ServiceIntentInfo[size]; 9009 } 9010 9011 @Override 9012 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9013 if (!sUserManager.exists(userId)) return true; 9014 PackageParser.Package p = filter.service.owner; 9015 if (p != null) { 9016 PackageSetting ps = (PackageSetting)p.mExtras; 9017 if (ps != null) { 9018 // System apps are never considered stopped for purposes of 9019 // filtering, because there may be no way for the user to 9020 // actually re-launch them. 9021 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9022 && ps.getStopped(userId); 9023 } 9024 } 9025 return false; 9026 } 9027 9028 @Override 9029 protected boolean isPackageForFilter(String packageName, 9030 PackageParser.ServiceIntentInfo info) { 9031 return packageName.equals(info.service.owner.packageName); 9032 } 9033 9034 @Override 9035 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9036 int match, int userId) { 9037 if (!sUserManager.exists(userId)) return null; 9038 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9039 if (!mSettings.isEnabledAndVisibleLPr(info.service.info, mFlags, userId)) { 9040 return null; 9041 } 9042 final PackageParser.Service service = info.service; 9043 if (mSafeMode && (service.info.applicationInfo.flags 9044 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9045 return null; 9046 } 9047 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9048 if (ps == null) { 9049 return null; 9050 } 9051 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9052 ps.readUserState(userId), userId); 9053 if (si == null) { 9054 return null; 9055 } 9056 final ResolveInfo res = new ResolveInfo(); 9057 res.serviceInfo = si; 9058 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9059 res.filter = filter; 9060 } 9061 res.priority = info.getPriority(); 9062 res.preferredOrder = service.owner.mPreferredOrder; 9063 res.match = match; 9064 res.isDefault = info.hasDefault; 9065 res.labelRes = info.labelRes; 9066 res.nonLocalizedLabel = info.nonLocalizedLabel; 9067 res.icon = info.icon; 9068 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9069 return res; 9070 } 9071 9072 @Override 9073 protected void sortResults(List<ResolveInfo> results) { 9074 Collections.sort(results, mResolvePrioritySorter); 9075 } 9076 9077 @Override 9078 protected void dumpFilter(PrintWriter out, String prefix, 9079 PackageParser.ServiceIntentInfo filter) { 9080 out.print(prefix); out.print( 9081 Integer.toHexString(System.identityHashCode(filter.service))); 9082 out.print(' '); 9083 filter.service.printComponentShortName(out); 9084 out.print(" filter "); 9085 out.println(Integer.toHexString(System.identityHashCode(filter))); 9086 } 9087 9088 @Override 9089 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9090 return filter.service; 9091 } 9092 9093 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9094 PackageParser.Service service = (PackageParser.Service)label; 9095 out.print(prefix); out.print( 9096 Integer.toHexString(System.identityHashCode(service))); 9097 out.print(' '); 9098 service.printComponentShortName(out); 9099 if (count > 1) { 9100 out.print(" ("); out.print(count); out.print(" filters)"); 9101 } 9102 out.println(); 9103 } 9104 9105// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9106// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9107// final List<ResolveInfo> retList = Lists.newArrayList(); 9108// while (i.hasNext()) { 9109// final ResolveInfo resolveInfo = (ResolveInfo) i; 9110// if (isEnabledLP(resolveInfo.serviceInfo)) { 9111// retList.add(resolveInfo); 9112// } 9113// } 9114// return retList; 9115// } 9116 9117 // Keys are String (activity class name), values are Activity. 9118 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9119 = new ArrayMap<ComponentName, PackageParser.Service>(); 9120 private int mFlags; 9121 }; 9122 9123 private final class ProviderIntentResolver 9124 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9125 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9126 boolean defaultOnly, int userId) { 9127 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9128 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9129 } 9130 9131 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9132 int userId) { 9133 if (!sUserManager.exists(userId)) 9134 return null; 9135 mFlags = flags; 9136 return super.queryIntent(intent, resolvedType, 9137 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9138 } 9139 9140 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9141 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9142 if (!sUserManager.exists(userId)) 9143 return null; 9144 if (packageProviders == null) { 9145 return null; 9146 } 9147 mFlags = flags; 9148 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9149 final int N = packageProviders.size(); 9150 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9151 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9152 9153 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9154 for (int i = 0; i < N; ++i) { 9155 intentFilters = packageProviders.get(i).intents; 9156 if (intentFilters != null && intentFilters.size() > 0) { 9157 PackageParser.ProviderIntentInfo[] array = 9158 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9159 intentFilters.toArray(array); 9160 listCut.add(array); 9161 } 9162 } 9163 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9164 } 9165 9166 public final void addProvider(PackageParser.Provider p) { 9167 if (mProviders.containsKey(p.getComponentName())) { 9168 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9169 return; 9170 } 9171 9172 mProviders.put(p.getComponentName(), p); 9173 if (DEBUG_SHOW_INFO) { 9174 Log.v(TAG, " " 9175 + (p.info.nonLocalizedLabel != null 9176 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9177 Log.v(TAG, " Class=" + p.info.name); 9178 } 9179 final int NI = p.intents.size(); 9180 int j; 9181 for (j = 0; j < NI; j++) { 9182 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9183 if (DEBUG_SHOW_INFO) { 9184 Log.v(TAG, " IntentFilter:"); 9185 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9186 } 9187 if (!intent.debugCheck()) { 9188 Log.w(TAG, "==> For Provider " + p.info.name); 9189 } 9190 addFilter(intent); 9191 } 9192 } 9193 9194 public final void removeProvider(PackageParser.Provider p) { 9195 mProviders.remove(p.getComponentName()); 9196 if (DEBUG_SHOW_INFO) { 9197 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9198 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9199 Log.v(TAG, " Class=" + p.info.name); 9200 } 9201 final int NI = p.intents.size(); 9202 int j; 9203 for (j = 0; j < NI; j++) { 9204 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9205 if (DEBUG_SHOW_INFO) { 9206 Log.v(TAG, " IntentFilter:"); 9207 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9208 } 9209 removeFilter(intent); 9210 } 9211 } 9212 9213 @Override 9214 protected boolean allowFilterResult( 9215 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9216 ProviderInfo filterPi = filter.provider.info; 9217 for (int i = dest.size() - 1; i >= 0; i--) { 9218 ProviderInfo destPi = dest.get(i).providerInfo; 9219 if (destPi.name == filterPi.name 9220 && destPi.packageName == filterPi.packageName) { 9221 return false; 9222 } 9223 } 9224 return true; 9225 } 9226 9227 @Override 9228 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9229 return new PackageParser.ProviderIntentInfo[size]; 9230 } 9231 9232 @Override 9233 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9234 if (!sUserManager.exists(userId)) 9235 return true; 9236 PackageParser.Package p = filter.provider.owner; 9237 if (p != null) { 9238 PackageSetting ps = (PackageSetting) p.mExtras; 9239 if (ps != null) { 9240 // System apps are never considered stopped for purposes of 9241 // filtering, because there may be no way for the user to 9242 // actually re-launch them. 9243 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9244 && ps.getStopped(userId); 9245 } 9246 } 9247 return false; 9248 } 9249 9250 @Override 9251 protected boolean isPackageForFilter(String packageName, 9252 PackageParser.ProviderIntentInfo info) { 9253 return packageName.equals(info.provider.owner.packageName); 9254 } 9255 9256 @Override 9257 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9258 int match, int userId) { 9259 if (!sUserManager.exists(userId)) 9260 return null; 9261 final PackageParser.ProviderIntentInfo info = filter; 9262 if (!mSettings.isEnabledAndVisibleLPr(info.provider.info, mFlags, userId)) { 9263 return null; 9264 } 9265 final PackageParser.Provider provider = info.provider; 9266 if (mSafeMode && (provider.info.applicationInfo.flags 9267 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9268 return null; 9269 } 9270 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9271 if (ps == null) { 9272 return null; 9273 } 9274 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9275 ps.readUserState(userId), userId); 9276 if (pi == null) { 9277 return null; 9278 } 9279 final ResolveInfo res = new ResolveInfo(); 9280 res.providerInfo = pi; 9281 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9282 res.filter = filter; 9283 } 9284 res.priority = info.getPriority(); 9285 res.preferredOrder = provider.owner.mPreferredOrder; 9286 res.match = match; 9287 res.isDefault = info.hasDefault; 9288 res.labelRes = info.labelRes; 9289 res.nonLocalizedLabel = info.nonLocalizedLabel; 9290 res.icon = info.icon; 9291 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9292 return res; 9293 } 9294 9295 @Override 9296 protected void sortResults(List<ResolveInfo> results) { 9297 Collections.sort(results, mResolvePrioritySorter); 9298 } 9299 9300 @Override 9301 protected void dumpFilter(PrintWriter out, String prefix, 9302 PackageParser.ProviderIntentInfo filter) { 9303 out.print(prefix); 9304 out.print( 9305 Integer.toHexString(System.identityHashCode(filter.provider))); 9306 out.print(' '); 9307 filter.provider.printComponentShortName(out); 9308 out.print(" filter "); 9309 out.println(Integer.toHexString(System.identityHashCode(filter))); 9310 } 9311 9312 @Override 9313 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9314 return filter.provider; 9315 } 9316 9317 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9318 PackageParser.Provider provider = (PackageParser.Provider)label; 9319 out.print(prefix); out.print( 9320 Integer.toHexString(System.identityHashCode(provider))); 9321 out.print(' '); 9322 provider.printComponentShortName(out); 9323 if (count > 1) { 9324 out.print(" ("); out.print(count); out.print(" filters)"); 9325 } 9326 out.println(); 9327 } 9328 9329 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9330 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9331 private int mFlags; 9332 }; 9333 9334 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9335 new Comparator<ResolveInfo>() { 9336 public int compare(ResolveInfo r1, ResolveInfo r2) { 9337 int v1 = r1.priority; 9338 int v2 = r2.priority; 9339 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9340 if (v1 != v2) { 9341 return (v1 > v2) ? -1 : 1; 9342 } 9343 v1 = r1.preferredOrder; 9344 v2 = r2.preferredOrder; 9345 if (v1 != v2) { 9346 return (v1 > v2) ? -1 : 1; 9347 } 9348 if (r1.isDefault != r2.isDefault) { 9349 return r1.isDefault ? -1 : 1; 9350 } 9351 v1 = r1.match; 9352 v2 = r2.match; 9353 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9354 if (v1 != v2) { 9355 return (v1 > v2) ? -1 : 1; 9356 } 9357 if (r1.system != r2.system) { 9358 return r1.system ? -1 : 1; 9359 } 9360 return 0; 9361 } 9362 }; 9363 9364 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9365 new Comparator<ProviderInfo>() { 9366 public int compare(ProviderInfo p1, ProviderInfo p2) { 9367 final int v1 = p1.initOrder; 9368 final int v2 = p2.initOrder; 9369 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9370 } 9371 }; 9372 9373 final void sendPackageBroadcast(final String action, final String pkg, 9374 final Bundle extras, final String targetPkg, final IIntentReceiver finishedReceiver, 9375 final int[] userIds) { 9376 mHandler.post(new Runnable() { 9377 @Override 9378 public void run() { 9379 try { 9380 final IActivityManager am = ActivityManagerNative.getDefault(); 9381 if (am == null) return; 9382 final int[] resolvedUserIds; 9383 if (userIds == null) { 9384 resolvedUserIds = am.getRunningUserIds(); 9385 } else { 9386 resolvedUserIds = userIds; 9387 } 9388 for (int id : resolvedUserIds) { 9389 final Intent intent = new Intent(action, 9390 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9391 if (extras != null) { 9392 intent.putExtras(extras); 9393 } 9394 if (targetPkg != null) { 9395 intent.setPackage(targetPkg); 9396 } 9397 // Modify the UID when posting to other users 9398 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9399 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9400 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9401 intent.putExtra(Intent.EXTRA_UID, uid); 9402 } 9403 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9404 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 9405 if (DEBUG_BROADCASTS) { 9406 RuntimeException here = new RuntimeException("here"); 9407 here.fillInStackTrace(); 9408 Slog.d(TAG, "Sending to user " + id + ": " 9409 + intent.toShortString(false, true, false, false) 9410 + " " + intent.getExtras(), here); 9411 } 9412 am.broadcastIntent(null, intent, null, finishedReceiver, 9413 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9414 null, finishedReceiver != null, false, id); 9415 } 9416 } catch (RemoteException ex) { 9417 } 9418 } 9419 }); 9420 } 9421 9422 /** 9423 * Check if the external storage media is available. This is true if there 9424 * is a mounted external storage medium or if the external storage is 9425 * emulated. 9426 */ 9427 private boolean isExternalMediaAvailable() { 9428 return mMediaMounted || Environment.isExternalStorageEmulated(); 9429 } 9430 9431 @Override 9432 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9433 // writer 9434 synchronized (mPackages) { 9435 if (!isExternalMediaAvailable()) { 9436 // If the external storage is no longer mounted at this point, 9437 // the caller may not have been able to delete all of this 9438 // packages files and can not delete any more. Bail. 9439 return null; 9440 } 9441 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9442 if (lastPackage != null) { 9443 pkgs.remove(lastPackage); 9444 } 9445 if (pkgs.size() > 0) { 9446 return pkgs.get(0); 9447 } 9448 } 9449 return null; 9450 } 9451 9452 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9453 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9454 userId, andCode ? 1 : 0, packageName); 9455 if (mSystemReady) { 9456 msg.sendToTarget(); 9457 } else { 9458 if (mPostSystemReadyMessages == null) { 9459 mPostSystemReadyMessages = new ArrayList<>(); 9460 } 9461 mPostSystemReadyMessages.add(msg); 9462 } 9463 } 9464 9465 void startCleaningPackages() { 9466 // reader 9467 synchronized (mPackages) { 9468 if (!isExternalMediaAvailable()) { 9469 return; 9470 } 9471 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9472 return; 9473 } 9474 } 9475 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9476 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9477 IActivityManager am = ActivityManagerNative.getDefault(); 9478 if (am != null) { 9479 try { 9480 am.startService(null, intent, null, mContext.getOpPackageName(), 9481 UserHandle.USER_SYSTEM); 9482 } catch (RemoteException e) { 9483 } 9484 } 9485 } 9486 9487 @Override 9488 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9489 int installFlags, String installerPackageName, VerificationParams verificationParams, 9490 String packageAbiOverride) { 9491 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9492 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9493 } 9494 9495 @Override 9496 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9497 int installFlags, String installerPackageName, VerificationParams verificationParams, 9498 String packageAbiOverride, int userId) { 9499 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9500 9501 final int callingUid = Binder.getCallingUid(); 9502 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9503 9504 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9505 try { 9506 if (observer != null) { 9507 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9508 } 9509 } catch (RemoteException re) { 9510 } 9511 return; 9512 } 9513 9514 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9515 installFlags |= PackageManager.INSTALL_FROM_ADB; 9516 9517 } else { 9518 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9519 // about installerPackageName. 9520 9521 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9522 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9523 } 9524 9525 UserHandle user; 9526 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9527 user = UserHandle.ALL; 9528 } else { 9529 user = new UserHandle(userId); 9530 } 9531 9532 // Only system components can circumvent runtime permissions when installing. 9533 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9534 && mContext.checkCallingOrSelfPermission(Manifest.permission 9535 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9536 throw new SecurityException("You need the " 9537 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9538 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9539 } 9540 9541 verificationParams.setInstallerUid(callingUid); 9542 9543 final File originFile = new File(originPath); 9544 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9545 9546 final Message msg = mHandler.obtainMessage(INIT_COPY); 9547 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 9548 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 9549 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 9550 msg.obj = params; 9551 9552 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 9553 System.identityHashCode(msg.obj)); 9554 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 9555 System.identityHashCode(msg.obj)); 9556 9557 mHandler.sendMessage(msg); 9558 } 9559 9560 void installStage(String packageName, File stagedDir, String stagedCid, 9561 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 9562 String installerPackageName, int installerUid, UserHandle user) { 9563 final VerificationParams verifParams = new VerificationParams( 9564 null, sessionParams.originatingUri, sessionParams.referrerUri, 9565 sessionParams.originatingUid, null); 9566 verifParams.setInstallerUid(installerUid); 9567 9568 final OriginInfo origin; 9569 if (stagedDir != null) { 9570 origin = OriginInfo.fromStagedFile(stagedDir); 9571 } else { 9572 origin = OriginInfo.fromStagedContainer(stagedCid); 9573 } 9574 9575 final Message msg = mHandler.obtainMessage(INIT_COPY); 9576 final InstallParams params = new InstallParams(origin, null, observer, 9577 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 9578 verifParams, user, sessionParams.abiOverride, 9579 sessionParams.grantedRuntimePermissions); 9580 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 9581 msg.obj = params; 9582 9583 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 9584 System.identityHashCode(msg.obj)); 9585 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 9586 System.identityHashCode(msg.obj)); 9587 9588 mHandler.sendMessage(msg); 9589 } 9590 9591 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9592 Bundle extras = new Bundle(1); 9593 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9594 9595 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9596 packageName, extras, null, null, new int[] {userId}); 9597 try { 9598 IActivityManager am = ActivityManagerNative.getDefault(); 9599 final boolean isSystem = 9600 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9601 if (isSystem && am.isUserRunning(userId, 0)) { 9602 // The just-installed/enabled app is bundled on the system, so presumed 9603 // to be able to run automatically without needing an explicit launch. 9604 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9605 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9606 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9607 .setPackage(packageName); 9608 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9609 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9610 } 9611 } catch (RemoteException e) { 9612 // shouldn't happen 9613 Slog.w(TAG, "Unable to bootstrap installed package", e); 9614 } 9615 } 9616 9617 @Override 9618 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9619 int userId) { 9620 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9621 PackageSetting pkgSetting; 9622 final int uid = Binder.getCallingUid(); 9623 enforceCrossUserPermission(uid, userId, true, true, 9624 "setApplicationHiddenSetting for user " + userId); 9625 9626 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9627 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9628 return false; 9629 } 9630 9631 long callingId = Binder.clearCallingIdentity(); 9632 try { 9633 boolean sendAdded = false; 9634 boolean sendRemoved = false; 9635 // writer 9636 synchronized (mPackages) { 9637 pkgSetting = mSettings.mPackages.get(packageName); 9638 if (pkgSetting == null) { 9639 return false; 9640 } 9641 if (pkgSetting.getHidden(userId) != hidden) { 9642 pkgSetting.setHidden(hidden, userId); 9643 mSettings.writePackageRestrictionsLPr(userId); 9644 if (hidden) { 9645 sendRemoved = true; 9646 } else { 9647 sendAdded = true; 9648 } 9649 } 9650 } 9651 if (sendAdded) { 9652 sendPackageAddedForUser(packageName, pkgSetting, userId); 9653 return true; 9654 } 9655 if (sendRemoved) { 9656 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 9657 "hiding pkg"); 9658 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 9659 return true; 9660 } 9661 } finally { 9662 Binder.restoreCallingIdentity(callingId); 9663 } 9664 return false; 9665 } 9666 9667 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 9668 int userId) { 9669 final PackageRemovedInfo info = new PackageRemovedInfo(); 9670 info.removedPackage = packageName; 9671 info.removedUsers = new int[] {userId}; 9672 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 9673 info.sendBroadcast(false, false, false); 9674 } 9675 9676 /** 9677 * Returns true if application is not found or there was an error. Otherwise it returns 9678 * the hidden state of the package for the given user. 9679 */ 9680 @Override 9681 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 9682 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9683 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 9684 false, "getApplicationHidden for user " + userId); 9685 PackageSetting pkgSetting; 9686 long callingId = Binder.clearCallingIdentity(); 9687 try { 9688 // writer 9689 synchronized (mPackages) { 9690 pkgSetting = mSettings.mPackages.get(packageName); 9691 if (pkgSetting == null) { 9692 return true; 9693 } 9694 return pkgSetting.getHidden(userId); 9695 } 9696 } finally { 9697 Binder.restoreCallingIdentity(callingId); 9698 } 9699 } 9700 9701 /** 9702 * @hide 9703 */ 9704 @Override 9705 public int installExistingPackageAsUser(String packageName, int userId) { 9706 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 9707 null); 9708 PackageSetting pkgSetting; 9709 final int uid = Binder.getCallingUid(); 9710 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 9711 + userId); 9712 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9713 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 9714 } 9715 9716 long callingId = Binder.clearCallingIdentity(); 9717 try { 9718 boolean sendAdded = false; 9719 9720 // writer 9721 synchronized (mPackages) { 9722 pkgSetting = mSettings.mPackages.get(packageName); 9723 if (pkgSetting == null) { 9724 return PackageManager.INSTALL_FAILED_INVALID_URI; 9725 } 9726 if (!pkgSetting.getInstalled(userId)) { 9727 pkgSetting.setInstalled(true, userId); 9728 pkgSetting.setHidden(false, userId); 9729 mSettings.writePackageRestrictionsLPr(userId); 9730 sendAdded = true; 9731 } 9732 } 9733 9734 if (sendAdded) { 9735 sendPackageAddedForUser(packageName, pkgSetting, userId); 9736 } 9737 } finally { 9738 Binder.restoreCallingIdentity(callingId); 9739 } 9740 9741 return PackageManager.INSTALL_SUCCEEDED; 9742 } 9743 9744 boolean isUserRestricted(int userId, String restrictionKey) { 9745 Bundle restrictions = sUserManager.getUserRestrictions(userId); 9746 if (restrictions.getBoolean(restrictionKey, false)) { 9747 Log.w(TAG, "User is restricted: " + restrictionKey); 9748 return true; 9749 } 9750 return false; 9751 } 9752 9753 @Override 9754 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 9755 mContext.enforceCallingOrSelfPermission( 9756 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9757 "Only package verification agents can verify applications"); 9758 9759 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9760 final PackageVerificationResponse response = new PackageVerificationResponse( 9761 verificationCode, Binder.getCallingUid()); 9762 msg.arg1 = id; 9763 msg.obj = response; 9764 mHandler.sendMessage(msg); 9765 } 9766 9767 @Override 9768 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 9769 long millisecondsToDelay) { 9770 mContext.enforceCallingOrSelfPermission( 9771 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9772 "Only package verification agents can extend verification timeouts"); 9773 9774 final PackageVerificationState state = mPendingVerification.get(id); 9775 final PackageVerificationResponse response = new PackageVerificationResponse( 9776 verificationCodeAtTimeout, Binder.getCallingUid()); 9777 9778 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 9779 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 9780 } 9781 if (millisecondsToDelay < 0) { 9782 millisecondsToDelay = 0; 9783 } 9784 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 9785 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 9786 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 9787 } 9788 9789 if ((state != null) && !state.timeoutExtended()) { 9790 state.extendTimeout(); 9791 9792 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9793 msg.arg1 = id; 9794 msg.obj = response; 9795 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 9796 } 9797 } 9798 9799 private void broadcastPackageVerified(int verificationId, Uri packageUri, 9800 int verificationCode, UserHandle user) { 9801 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 9802 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 9803 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9804 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9805 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 9806 9807 mContext.sendBroadcastAsUser(intent, user, 9808 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 9809 } 9810 9811 private ComponentName matchComponentForVerifier(String packageName, 9812 List<ResolveInfo> receivers) { 9813 ActivityInfo targetReceiver = null; 9814 9815 final int NR = receivers.size(); 9816 for (int i = 0; i < NR; i++) { 9817 final ResolveInfo info = receivers.get(i); 9818 if (info.activityInfo == null) { 9819 continue; 9820 } 9821 9822 if (packageName.equals(info.activityInfo.packageName)) { 9823 targetReceiver = info.activityInfo; 9824 break; 9825 } 9826 } 9827 9828 if (targetReceiver == null) { 9829 return null; 9830 } 9831 9832 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 9833 } 9834 9835 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 9836 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 9837 if (pkgInfo.verifiers.length == 0) { 9838 return null; 9839 } 9840 9841 final int N = pkgInfo.verifiers.length; 9842 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 9843 for (int i = 0; i < N; i++) { 9844 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 9845 9846 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 9847 receivers); 9848 if (comp == null) { 9849 continue; 9850 } 9851 9852 final int verifierUid = getUidForVerifier(verifierInfo); 9853 if (verifierUid == -1) { 9854 continue; 9855 } 9856 9857 if (DEBUG_VERIFY) { 9858 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 9859 + " with the correct signature"); 9860 } 9861 sufficientVerifiers.add(comp); 9862 verificationState.addSufficientVerifier(verifierUid); 9863 } 9864 9865 return sufficientVerifiers; 9866 } 9867 9868 private int getUidForVerifier(VerifierInfo verifierInfo) { 9869 synchronized (mPackages) { 9870 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 9871 if (pkg == null) { 9872 return -1; 9873 } else if (pkg.mSignatures.length != 1) { 9874 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9875 + " has more than one signature; ignoring"); 9876 return -1; 9877 } 9878 9879 /* 9880 * If the public key of the package's signature does not match 9881 * our expected public key, then this is a different package and 9882 * we should skip. 9883 */ 9884 9885 final byte[] expectedPublicKey; 9886 try { 9887 final Signature verifierSig = pkg.mSignatures[0]; 9888 final PublicKey publicKey = verifierSig.getPublicKey(); 9889 expectedPublicKey = publicKey.getEncoded(); 9890 } catch (CertificateException e) { 9891 return -1; 9892 } 9893 9894 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 9895 9896 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 9897 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9898 + " does not have the expected public key; ignoring"); 9899 return -1; 9900 } 9901 9902 return pkg.applicationInfo.uid; 9903 } 9904 } 9905 9906 @Override 9907 public void finishPackageInstall(int token) { 9908 enforceSystemOrRoot("Only the system is allowed to finish installs"); 9909 9910 if (DEBUG_INSTALL) { 9911 Slog.v(TAG, "BM finishing package install for " + token); 9912 } 9913 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 9914 9915 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 9916 mHandler.sendMessage(msg); 9917 } 9918 9919 /** 9920 * Get the verification agent timeout. 9921 * 9922 * @return verification timeout in milliseconds 9923 */ 9924 private long getVerificationTimeout() { 9925 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 9926 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 9927 DEFAULT_VERIFICATION_TIMEOUT); 9928 } 9929 9930 /** 9931 * Get the default verification agent response code. 9932 * 9933 * @return default verification response code 9934 */ 9935 private int getDefaultVerificationResponse() { 9936 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9937 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 9938 DEFAULT_VERIFICATION_RESPONSE); 9939 } 9940 9941 /** 9942 * Check whether or not package verification has been enabled. 9943 * 9944 * @return true if verification should be performed 9945 */ 9946 private boolean isVerificationEnabled(int userId, int installFlags) { 9947 if (!DEFAULT_VERIFY_ENABLE) { 9948 return false; 9949 } 9950 // TODO: fix b/25118622; don't bypass verification 9951 if (Build.IS_DEBUGGABLE && (installFlags & PackageManager.INSTALL_QUICK) != 0) { 9952 return false; 9953 } 9954 9955 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 9956 9957 // Check if installing from ADB 9958 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 9959 // Do not run verification in a test harness environment 9960 if (ActivityManager.isRunningInTestHarness()) { 9961 return false; 9962 } 9963 if (ensureVerifyAppsEnabled) { 9964 return true; 9965 } 9966 // Check if the developer does not want package verification for ADB installs 9967 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9968 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 9969 return false; 9970 } 9971 } 9972 9973 if (ensureVerifyAppsEnabled) { 9974 return true; 9975 } 9976 9977 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9978 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 9979 } 9980 9981 @Override 9982 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 9983 throws RemoteException { 9984 mContext.enforceCallingOrSelfPermission( 9985 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 9986 "Only intentfilter verification agents can verify applications"); 9987 9988 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 9989 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 9990 Binder.getCallingUid(), verificationCode, failedDomains); 9991 msg.arg1 = id; 9992 msg.obj = response; 9993 mHandler.sendMessage(msg); 9994 } 9995 9996 @Override 9997 public int getIntentVerificationStatus(String packageName, int userId) { 9998 synchronized (mPackages) { 9999 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 10000 } 10001 } 10002 10003 @Override 10004 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10005 mContext.enforceCallingOrSelfPermission( 10006 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10007 10008 boolean result = false; 10009 synchronized (mPackages) { 10010 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10011 } 10012 if (result) { 10013 scheduleWritePackageRestrictionsLocked(userId); 10014 } 10015 return result; 10016 } 10017 10018 @Override 10019 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10020 synchronized (mPackages) { 10021 return mSettings.getIntentFilterVerificationsLPr(packageName); 10022 } 10023 } 10024 10025 @Override 10026 public List<IntentFilter> getAllIntentFilters(String packageName) { 10027 if (TextUtils.isEmpty(packageName)) { 10028 return Collections.<IntentFilter>emptyList(); 10029 } 10030 synchronized (mPackages) { 10031 PackageParser.Package pkg = mPackages.get(packageName); 10032 if (pkg == null || pkg.activities == null) { 10033 return Collections.<IntentFilter>emptyList(); 10034 } 10035 final int count = pkg.activities.size(); 10036 ArrayList<IntentFilter> result = new ArrayList<>(); 10037 for (int n=0; n<count; n++) { 10038 PackageParser.Activity activity = pkg.activities.get(n); 10039 if (activity.intents != null || activity.intents.size() > 0) { 10040 result.addAll(activity.intents); 10041 } 10042 } 10043 return result; 10044 } 10045 } 10046 10047 @Override 10048 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10049 mContext.enforceCallingOrSelfPermission( 10050 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10051 10052 synchronized (mPackages) { 10053 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10054 if (packageName != null) { 10055 result |= updateIntentVerificationStatus(packageName, 10056 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10057 userId); 10058 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10059 packageName, userId); 10060 } 10061 return result; 10062 } 10063 } 10064 10065 @Override 10066 public String getDefaultBrowserPackageName(int userId) { 10067 synchronized (mPackages) { 10068 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10069 } 10070 } 10071 10072 /** 10073 * Get the "allow unknown sources" setting. 10074 * 10075 * @return the current "allow unknown sources" setting 10076 */ 10077 private int getUnknownSourcesSettings() { 10078 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10079 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10080 -1); 10081 } 10082 10083 @Override 10084 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10085 final int uid = Binder.getCallingUid(); 10086 // writer 10087 synchronized (mPackages) { 10088 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10089 if (targetPackageSetting == null) { 10090 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10091 } 10092 10093 PackageSetting installerPackageSetting; 10094 if (installerPackageName != null) { 10095 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10096 if (installerPackageSetting == null) { 10097 throw new IllegalArgumentException("Unknown installer package: " 10098 + installerPackageName); 10099 } 10100 } else { 10101 installerPackageSetting = null; 10102 } 10103 10104 Signature[] callerSignature; 10105 Object obj = mSettings.getUserIdLPr(uid); 10106 if (obj != null) { 10107 if (obj instanceof SharedUserSetting) { 10108 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10109 } else if (obj instanceof PackageSetting) { 10110 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10111 } else { 10112 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10113 } 10114 } else { 10115 throw new SecurityException("Unknown calling uid " + uid); 10116 } 10117 10118 // Verify: can't set installerPackageName to a package that is 10119 // not signed with the same cert as the caller. 10120 if (installerPackageSetting != null) { 10121 if (compareSignatures(callerSignature, 10122 installerPackageSetting.signatures.mSignatures) 10123 != PackageManager.SIGNATURE_MATCH) { 10124 throw new SecurityException( 10125 "Caller does not have same cert as new installer package " 10126 + installerPackageName); 10127 } 10128 } 10129 10130 // Verify: if target already has an installer package, it must 10131 // be signed with the same cert as the caller. 10132 if (targetPackageSetting.installerPackageName != null) { 10133 PackageSetting setting = mSettings.mPackages.get( 10134 targetPackageSetting.installerPackageName); 10135 // If the currently set package isn't valid, then it's always 10136 // okay to change it. 10137 if (setting != null) { 10138 if (compareSignatures(callerSignature, 10139 setting.signatures.mSignatures) 10140 != PackageManager.SIGNATURE_MATCH) { 10141 throw new SecurityException( 10142 "Caller does not have same cert as old installer package " 10143 + targetPackageSetting.installerPackageName); 10144 } 10145 } 10146 } 10147 10148 // Okay! 10149 targetPackageSetting.installerPackageName = installerPackageName; 10150 scheduleWriteSettingsLocked(); 10151 } 10152 } 10153 10154 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10155 // Queue up an async operation since the package installation may take a little while. 10156 mHandler.post(new Runnable() { 10157 public void run() { 10158 mHandler.removeCallbacks(this); 10159 // Result object to be returned 10160 PackageInstalledInfo res = new PackageInstalledInfo(); 10161 res.returnCode = currentStatus; 10162 res.uid = -1; 10163 res.pkg = null; 10164 res.removedInfo = new PackageRemovedInfo(); 10165 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10166 args.doPreInstall(res.returnCode); 10167 synchronized (mInstallLock) { 10168 installPackageTracedLI(args, res); 10169 } 10170 args.doPostInstall(res.returnCode, res.uid); 10171 } 10172 10173 // A restore should be performed at this point if (a) the install 10174 // succeeded, (b) the operation is not an update, and (c) the new 10175 // package has not opted out of backup participation. 10176 final boolean update = res.removedInfo.removedPackage != null; 10177 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10178 boolean doRestore = !update 10179 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10180 10181 // Set up the post-install work request bookkeeping. This will be used 10182 // and cleaned up by the post-install event handling regardless of whether 10183 // there's a restore pass performed. Token values are >= 1. 10184 int token; 10185 if (mNextInstallToken < 0) mNextInstallToken = 1; 10186 token = mNextInstallToken++; 10187 10188 PostInstallData data = new PostInstallData(args, res); 10189 mRunningInstalls.put(token, data); 10190 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10191 10192 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10193 // Pass responsibility to the Backup Manager. It will perform a 10194 // restore if appropriate, then pass responsibility back to the 10195 // Package Manager to run the post-install observer callbacks 10196 // and broadcasts. 10197 IBackupManager bm = IBackupManager.Stub.asInterface( 10198 ServiceManager.getService(Context.BACKUP_SERVICE)); 10199 if (bm != null) { 10200 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10201 + " to BM for possible restore"); 10202 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10203 try { 10204 // TODO: http://b/22388012 10205 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 10206 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10207 } else { 10208 doRestore = false; 10209 } 10210 } catch (RemoteException e) { 10211 // can't happen; the backup manager is local 10212 } catch (Exception e) { 10213 Slog.e(TAG, "Exception trying to enqueue restore", e); 10214 doRestore = false; 10215 } 10216 } else { 10217 Slog.e(TAG, "Backup Manager not found!"); 10218 doRestore = false; 10219 } 10220 } 10221 10222 if (!doRestore) { 10223 // No restore possible, or the Backup Manager was mysteriously not 10224 // available -- just fire the post-install work request directly. 10225 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10226 10227 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 10228 10229 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10230 mHandler.sendMessage(msg); 10231 } 10232 } 10233 }); 10234 } 10235 10236 private abstract class HandlerParams { 10237 private static final int MAX_RETRIES = 4; 10238 10239 /** 10240 * Number of times startCopy() has been attempted and had a non-fatal 10241 * error. 10242 */ 10243 private int mRetries = 0; 10244 10245 /** User handle for the user requesting the information or installation. */ 10246 private final UserHandle mUser; 10247 String traceMethod; 10248 int traceCookie; 10249 10250 HandlerParams(UserHandle user) { 10251 mUser = user; 10252 } 10253 10254 UserHandle getUser() { 10255 return mUser; 10256 } 10257 10258 HandlerParams setTraceMethod(String traceMethod) { 10259 this.traceMethod = traceMethod; 10260 return this; 10261 } 10262 10263 HandlerParams setTraceCookie(int traceCookie) { 10264 this.traceCookie = traceCookie; 10265 return this; 10266 } 10267 10268 final boolean startCopy() { 10269 boolean res; 10270 try { 10271 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10272 10273 if (++mRetries > MAX_RETRIES) { 10274 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10275 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10276 handleServiceError(); 10277 return false; 10278 } else { 10279 handleStartCopy(); 10280 res = true; 10281 } 10282 } catch (RemoteException e) { 10283 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10284 mHandler.sendEmptyMessage(MCS_RECONNECT); 10285 res = false; 10286 } 10287 handleReturnCode(); 10288 return res; 10289 } 10290 10291 final void serviceError() { 10292 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10293 handleServiceError(); 10294 handleReturnCode(); 10295 } 10296 10297 abstract void handleStartCopy() throws RemoteException; 10298 abstract void handleServiceError(); 10299 abstract void handleReturnCode(); 10300 } 10301 10302 class MeasureParams extends HandlerParams { 10303 private final PackageStats mStats; 10304 private boolean mSuccess; 10305 10306 private final IPackageStatsObserver mObserver; 10307 10308 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10309 super(new UserHandle(stats.userHandle)); 10310 mObserver = observer; 10311 mStats = stats; 10312 } 10313 10314 @Override 10315 public String toString() { 10316 return "MeasureParams{" 10317 + Integer.toHexString(System.identityHashCode(this)) 10318 + " " + mStats.packageName + "}"; 10319 } 10320 10321 @Override 10322 void handleStartCopy() throws RemoteException { 10323 synchronized (mInstallLock) { 10324 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10325 } 10326 10327 if (mSuccess) { 10328 final boolean mounted; 10329 if (Environment.isExternalStorageEmulated()) { 10330 mounted = true; 10331 } else { 10332 final String status = Environment.getExternalStorageState(); 10333 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10334 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10335 } 10336 10337 if (mounted) { 10338 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10339 10340 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10341 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10342 10343 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10344 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10345 10346 // Always subtract cache size, since it's a subdirectory 10347 mStats.externalDataSize -= mStats.externalCacheSize; 10348 10349 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10350 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10351 10352 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10353 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10354 } 10355 } 10356 } 10357 10358 @Override 10359 void handleReturnCode() { 10360 if (mObserver != null) { 10361 try { 10362 mObserver.onGetStatsCompleted(mStats, mSuccess); 10363 } catch (RemoteException e) { 10364 Slog.i(TAG, "Observer no longer exists."); 10365 } 10366 } 10367 } 10368 10369 @Override 10370 void handleServiceError() { 10371 Slog.e(TAG, "Could not measure application " + mStats.packageName 10372 + " external storage"); 10373 } 10374 } 10375 10376 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10377 throws RemoteException { 10378 long result = 0; 10379 for (File path : paths) { 10380 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10381 } 10382 return result; 10383 } 10384 10385 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10386 for (File path : paths) { 10387 try { 10388 mcs.clearDirectory(path.getAbsolutePath()); 10389 } catch (RemoteException e) { 10390 } 10391 } 10392 } 10393 10394 static class OriginInfo { 10395 /** 10396 * Location where install is coming from, before it has been 10397 * copied/renamed into place. This could be a single monolithic APK 10398 * file, or a cluster directory. This location may be untrusted. 10399 */ 10400 final File file; 10401 final String cid; 10402 10403 /** 10404 * Flag indicating that {@link #file} or {@link #cid} has already been 10405 * staged, meaning downstream users don't need to defensively copy the 10406 * contents. 10407 */ 10408 final boolean staged; 10409 10410 /** 10411 * Flag indicating that {@link #file} or {@link #cid} is an already 10412 * installed app that is being moved. 10413 */ 10414 final boolean existing; 10415 10416 final String resolvedPath; 10417 final File resolvedFile; 10418 10419 static OriginInfo fromNothing() { 10420 return new OriginInfo(null, null, false, false); 10421 } 10422 10423 static OriginInfo fromUntrustedFile(File file) { 10424 return new OriginInfo(file, null, false, false); 10425 } 10426 10427 static OriginInfo fromExistingFile(File file) { 10428 return new OriginInfo(file, null, false, true); 10429 } 10430 10431 static OriginInfo fromStagedFile(File file) { 10432 return new OriginInfo(file, null, true, false); 10433 } 10434 10435 static OriginInfo fromStagedContainer(String cid) { 10436 return new OriginInfo(null, cid, true, false); 10437 } 10438 10439 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10440 this.file = file; 10441 this.cid = cid; 10442 this.staged = staged; 10443 this.existing = existing; 10444 10445 if (cid != null) { 10446 resolvedPath = PackageHelper.getSdDir(cid); 10447 resolvedFile = new File(resolvedPath); 10448 } else if (file != null) { 10449 resolvedPath = file.getAbsolutePath(); 10450 resolvedFile = file; 10451 } else { 10452 resolvedPath = null; 10453 resolvedFile = null; 10454 } 10455 } 10456 } 10457 10458 class MoveInfo { 10459 final int moveId; 10460 final String fromUuid; 10461 final String toUuid; 10462 final String packageName; 10463 final String dataAppName; 10464 final int appId; 10465 final String seinfo; 10466 10467 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10468 String dataAppName, int appId, String seinfo) { 10469 this.moveId = moveId; 10470 this.fromUuid = fromUuid; 10471 this.toUuid = toUuid; 10472 this.packageName = packageName; 10473 this.dataAppName = dataAppName; 10474 this.appId = appId; 10475 this.seinfo = seinfo; 10476 } 10477 } 10478 10479 class InstallParams extends HandlerParams { 10480 final OriginInfo origin; 10481 final MoveInfo move; 10482 final IPackageInstallObserver2 observer; 10483 int installFlags; 10484 final String installerPackageName; 10485 final String volumeUuid; 10486 final VerificationParams verificationParams; 10487 private InstallArgs mArgs; 10488 private int mRet; 10489 final String packageAbiOverride; 10490 final String[] grantedRuntimePermissions; 10491 10492 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10493 int installFlags, String installerPackageName, String volumeUuid, 10494 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 10495 String[] grantedPermissions) { 10496 super(user); 10497 this.origin = origin; 10498 this.move = move; 10499 this.observer = observer; 10500 this.installFlags = installFlags; 10501 this.installerPackageName = installerPackageName; 10502 this.volumeUuid = volumeUuid; 10503 this.verificationParams = verificationParams; 10504 this.packageAbiOverride = packageAbiOverride; 10505 this.grantedRuntimePermissions = grantedPermissions; 10506 } 10507 10508 @Override 10509 public String toString() { 10510 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10511 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10512 } 10513 10514 public ManifestDigest getManifestDigest() { 10515 if (verificationParams == null) { 10516 return null; 10517 } 10518 return verificationParams.getManifestDigest(); 10519 } 10520 10521 private int installLocationPolicy(PackageInfoLite pkgLite) { 10522 String packageName = pkgLite.packageName; 10523 int installLocation = pkgLite.installLocation; 10524 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10525 // reader 10526 synchronized (mPackages) { 10527 PackageParser.Package pkg = mPackages.get(packageName); 10528 if (pkg != null) { 10529 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10530 // Check for downgrading. 10531 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10532 try { 10533 checkDowngrade(pkg, pkgLite); 10534 } catch (PackageManagerException e) { 10535 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10536 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10537 } 10538 } 10539 // Check for updated system application. 10540 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10541 if (onSd) { 10542 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10543 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10544 } 10545 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10546 } else { 10547 if (onSd) { 10548 // Install flag overrides everything. 10549 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10550 } 10551 // If current upgrade specifies particular preference 10552 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10553 // Application explicitly specified internal. 10554 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10555 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10556 // App explictly prefers external. Let policy decide 10557 } else { 10558 // Prefer previous location 10559 if (isExternal(pkg)) { 10560 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10561 } 10562 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10563 } 10564 } 10565 } else { 10566 // Invalid install. Return error code 10567 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10568 } 10569 } 10570 } 10571 // All the special cases have been taken care of. 10572 // Return result based on recommended install location. 10573 if (onSd) { 10574 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10575 } 10576 return pkgLite.recommendedInstallLocation; 10577 } 10578 10579 /* 10580 * Invoke remote method to get package information and install 10581 * location values. Override install location based on default 10582 * policy if needed and then create install arguments based 10583 * on the install location. 10584 */ 10585 public void handleStartCopy() throws RemoteException { 10586 int ret = PackageManager.INSTALL_SUCCEEDED; 10587 10588 // If we're already staged, we've firmly committed to an install location 10589 if (origin.staged) { 10590 if (origin.file != null) { 10591 installFlags |= PackageManager.INSTALL_INTERNAL; 10592 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10593 } else if (origin.cid != null) { 10594 installFlags |= PackageManager.INSTALL_EXTERNAL; 10595 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10596 } else { 10597 throw new IllegalStateException("Invalid stage location"); 10598 } 10599 } 10600 10601 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10602 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 10603 PackageInfoLite pkgLite = null; 10604 10605 if (onInt && onSd) { 10606 // Check if both bits are set. 10607 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 10608 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10609 } else { 10610 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 10611 packageAbiOverride); 10612 10613 /* 10614 * If we have too little free space, try to free cache 10615 * before giving up. 10616 */ 10617 if (!origin.staged && pkgLite.recommendedInstallLocation 10618 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10619 // TODO: focus freeing disk space on the target device 10620 final StorageManager storage = StorageManager.from(mContext); 10621 final long lowThreshold = storage.getStorageLowBytes( 10622 Environment.getDataDirectory()); 10623 10624 final long sizeBytes = mContainerService.calculateInstalledSize( 10625 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 10626 10627 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 10628 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 10629 installFlags, packageAbiOverride); 10630 } 10631 10632 /* 10633 * The cache free must have deleted the file we 10634 * downloaded to install. 10635 * 10636 * TODO: fix the "freeCache" call to not delete 10637 * the file we care about. 10638 */ 10639 if (pkgLite.recommendedInstallLocation 10640 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10641 pkgLite.recommendedInstallLocation 10642 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 10643 } 10644 } 10645 } 10646 10647 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10648 int loc = pkgLite.recommendedInstallLocation; 10649 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 10650 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10651 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 10652 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10653 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10654 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10655 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 10656 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 10657 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10658 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 10659 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 10660 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 10661 } else { 10662 // Override with defaults if needed. 10663 loc = installLocationPolicy(pkgLite); 10664 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 10665 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 10666 } else if (!onSd && !onInt) { 10667 // Override install location with flags 10668 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 10669 // Set the flag to install on external media. 10670 installFlags |= PackageManager.INSTALL_EXTERNAL; 10671 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10672 } else { 10673 // Make sure the flag for installing on external 10674 // media is unset 10675 installFlags |= PackageManager.INSTALL_INTERNAL; 10676 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10677 } 10678 } 10679 } 10680 } 10681 10682 final InstallArgs args = createInstallArgs(this); 10683 mArgs = args; 10684 10685 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10686 // TODO: http://b/22976637 10687 // Apps installed for "all" users use the device owner to verify the app 10688 UserHandle verifierUser = getUser(); 10689 if (verifierUser == UserHandle.ALL) { 10690 verifierUser = UserHandle.SYSTEM; 10691 } 10692 10693 /* 10694 * Determine if we have any installed package verifiers. If we 10695 * do, then we'll defer to them to verify the packages. 10696 */ 10697 final int requiredUid = mRequiredVerifierPackage == null ? -1 10698 : getPackageUid(mRequiredVerifierPackage, verifierUser.getIdentifier()); 10699 if (!origin.existing && requiredUid != -1 10700 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 10701 final Intent verification = new Intent( 10702 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 10703 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10704 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 10705 PACKAGE_MIME_TYPE); 10706 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10707 10708 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 10709 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 10710 verifierUser.getIdentifier()); 10711 10712 if (DEBUG_VERIFY) { 10713 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 10714 + verification.toString() + " with " + pkgLite.verifiers.length 10715 + " optional verifiers"); 10716 } 10717 10718 final int verificationId = mPendingVerificationToken++; 10719 10720 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10721 10722 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 10723 installerPackageName); 10724 10725 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 10726 installFlags); 10727 10728 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 10729 pkgLite.packageName); 10730 10731 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 10732 pkgLite.versionCode); 10733 10734 if (verificationParams != null) { 10735 if (verificationParams.getVerificationURI() != null) { 10736 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 10737 verificationParams.getVerificationURI()); 10738 } 10739 if (verificationParams.getOriginatingURI() != null) { 10740 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 10741 verificationParams.getOriginatingURI()); 10742 } 10743 if (verificationParams.getReferrer() != null) { 10744 verification.putExtra(Intent.EXTRA_REFERRER, 10745 verificationParams.getReferrer()); 10746 } 10747 if (verificationParams.getOriginatingUid() >= 0) { 10748 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 10749 verificationParams.getOriginatingUid()); 10750 } 10751 if (verificationParams.getInstallerUid() >= 0) { 10752 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 10753 verificationParams.getInstallerUid()); 10754 } 10755 } 10756 10757 final PackageVerificationState verificationState = new PackageVerificationState( 10758 requiredUid, args); 10759 10760 mPendingVerification.append(verificationId, verificationState); 10761 10762 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 10763 receivers, verificationState); 10764 10765 /* 10766 * If any sufficient verifiers were listed in the package 10767 * manifest, attempt to ask them. 10768 */ 10769 if (sufficientVerifiers != null) { 10770 final int N = sufficientVerifiers.size(); 10771 if (N == 0) { 10772 Slog.i(TAG, "Additional verifiers required, but none installed."); 10773 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 10774 } else { 10775 for (int i = 0; i < N; i++) { 10776 final ComponentName verifierComponent = sufficientVerifiers.get(i); 10777 10778 final Intent sufficientIntent = new Intent(verification); 10779 sufficientIntent.setComponent(verifierComponent); 10780 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 10781 } 10782 } 10783 } 10784 10785 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 10786 mRequiredVerifierPackage, receivers); 10787 if (ret == PackageManager.INSTALL_SUCCEEDED 10788 && mRequiredVerifierPackage != null) { 10789 Trace.asyncTraceBegin( 10790 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 10791 /* 10792 * Send the intent to the required verification agent, 10793 * but only start the verification timeout after the 10794 * target BroadcastReceivers have run. 10795 */ 10796 verification.setComponent(requiredVerifierComponent); 10797 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 10798 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10799 new BroadcastReceiver() { 10800 @Override 10801 public void onReceive(Context context, Intent intent) { 10802 final Message msg = mHandler 10803 .obtainMessage(CHECK_PENDING_VERIFICATION); 10804 msg.arg1 = verificationId; 10805 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 10806 } 10807 }, null, 0, null, null); 10808 10809 /* 10810 * We don't want the copy to proceed until verification 10811 * succeeds, so null out this field. 10812 */ 10813 mArgs = null; 10814 } 10815 } else { 10816 /* 10817 * No package verification is enabled, so immediately start 10818 * the remote call to initiate copy using temporary file. 10819 */ 10820 ret = args.copyApk(mContainerService, true); 10821 } 10822 } 10823 10824 mRet = ret; 10825 } 10826 10827 @Override 10828 void handleReturnCode() { 10829 // If mArgs is null, then MCS couldn't be reached. When it 10830 // reconnects, it will try again to install. At that point, this 10831 // will succeed. 10832 if (mArgs != null) { 10833 processPendingInstall(mArgs, mRet); 10834 } 10835 } 10836 10837 @Override 10838 void handleServiceError() { 10839 mArgs = createInstallArgs(this); 10840 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 10841 } 10842 10843 public boolean isForwardLocked() { 10844 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10845 } 10846 } 10847 10848 /** 10849 * Used during creation of InstallArgs 10850 * 10851 * @param installFlags package installation flags 10852 * @return true if should be installed on external storage 10853 */ 10854 private static boolean installOnExternalAsec(int installFlags) { 10855 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 10856 return false; 10857 } 10858 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 10859 return true; 10860 } 10861 return false; 10862 } 10863 10864 /** 10865 * Used during creation of InstallArgs 10866 * 10867 * @param installFlags package installation flags 10868 * @return true if should be installed as forward locked 10869 */ 10870 private static boolean installForwardLocked(int installFlags) { 10871 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10872 } 10873 10874 private InstallArgs createInstallArgs(InstallParams params) { 10875 if (params.move != null) { 10876 return new MoveInstallArgs(params); 10877 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 10878 return new AsecInstallArgs(params); 10879 } else { 10880 return new FileInstallArgs(params); 10881 } 10882 } 10883 10884 /** 10885 * Create args that describe an existing installed package. Typically used 10886 * when cleaning up old installs, or used as a move source. 10887 */ 10888 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 10889 String resourcePath, String[] instructionSets) { 10890 final boolean isInAsec; 10891 if (installOnExternalAsec(installFlags)) { 10892 /* Apps on SD card are always in ASEC containers. */ 10893 isInAsec = true; 10894 } else if (installForwardLocked(installFlags) 10895 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 10896 /* 10897 * Forward-locked apps are only in ASEC containers if they're the 10898 * new style 10899 */ 10900 isInAsec = true; 10901 } else { 10902 isInAsec = false; 10903 } 10904 10905 if (isInAsec) { 10906 return new AsecInstallArgs(codePath, instructionSets, 10907 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 10908 } else { 10909 return new FileInstallArgs(codePath, resourcePath, instructionSets); 10910 } 10911 } 10912 10913 static abstract class InstallArgs { 10914 /** @see InstallParams#origin */ 10915 final OriginInfo origin; 10916 /** @see InstallParams#move */ 10917 final MoveInfo move; 10918 10919 final IPackageInstallObserver2 observer; 10920 // Always refers to PackageManager flags only 10921 final int installFlags; 10922 final String installerPackageName; 10923 final String volumeUuid; 10924 final ManifestDigest manifestDigest; 10925 final UserHandle user; 10926 final String abiOverride; 10927 final String[] installGrantPermissions; 10928 /** If non-null, drop an async trace when the install completes */ 10929 final String traceMethod; 10930 final int traceCookie; 10931 10932 // The list of instruction sets supported by this app. This is currently 10933 // only used during the rmdex() phase to clean up resources. We can get rid of this 10934 // if we move dex files under the common app path. 10935 /* nullable */ String[] instructionSets; 10936 10937 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10938 int installFlags, String installerPackageName, String volumeUuid, 10939 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 10940 String abiOverride, String[] installGrantPermissions, 10941 String traceMethod, int traceCookie) { 10942 this.origin = origin; 10943 this.move = move; 10944 this.installFlags = installFlags; 10945 this.observer = observer; 10946 this.installerPackageName = installerPackageName; 10947 this.volumeUuid = volumeUuid; 10948 this.manifestDigest = manifestDigest; 10949 this.user = user; 10950 this.instructionSets = instructionSets; 10951 this.abiOverride = abiOverride; 10952 this.installGrantPermissions = installGrantPermissions; 10953 this.traceMethod = traceMethod; 10954 this.traceCookie = traceCookie; 10955 } 10956 10957 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 10958 abstract int doPreInstall(int status); 10959 10960 /** 10961 * Rename package into final resting place. All paths on the given 10962 * scanned package should be updated to reflect the rename. 10963 */ 10964 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 10965 abstract int doPostInstall(int status, int uid); 10966 10967 /** @see PackageSettingBase#codePathString */ 10968 abstract String getCodePath(); 10969 /** @see PackageSettingBase#resourcePathString */ 10970 abstract String getResourcePath(); 10971 10972 // Need installer lock especially for dex file removal. 10973 abstract void cleanUpResourcesLI(); 10974 abstract boolean doPostDeleteLI(boolean delete); 10975 10976 /** 10977 * Called before the source arguments are copied. This is used mostly 10978 * for MoveParams when it needs to read the source file to put it in the 10979 * destination. 10980 */ 10981 int doPreCopy() { 10982 return PackageManager.INSTALL_SUCCEEDED; 10983 } 10984 10985 /** 10986 * Called after the source arguments are copied. This is used mostly for 10987 * MoveParams when it needs to read the source file to put it in the 10988 * destination. 10989 * 10990 * @return 10991 */ 10992 int doPostCopy(int uid) { 10993 return PackageManager.INSTALL_SUCCEEDED; 10994 } 10995 10996 protected boolean isFwdLocked() { 10997 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10998 } 10999 11000 protected boolean isExternalAsec() { 11001 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11002 } 11003 11004 UserHandle getUser() { 11005 return user; 11006 } 11007 } 11008 11009 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 11010 if (!allCodePaths.isEmpty()) { 11011 if (instructionSets == null) { 11012 throw new IllegalStateException("instructionSet == null"); 11013 } 11014 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11015 for (String codePath : allCodePaths) { 11016 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11017 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 11018 if (retCode < 0) { 11019 Slog.w(TAG, "Couldn't remove dex file for package: " 11020 + " at location " + codePath + ", retcode=" + retCode); 11021 // we don't consider this to be a failure of the core package deletion 11022 } 11023 } 11024 } 11025 } 11026 } 11027 11028 /** 11029 * Logic to handle installation of non-ASEC applications, including copying 11030 * and renaming logic. 11031 */ 11032 class FileInstallArgs extends InstallArgs { 11033 private File codeFile; 11034 private File resourceFile; 11035 11036 // Example topology: 11037 // /data/app/com.example/base.apk 11038 // /data/app/com.example/split_foo.apk 11039 // /data/app/com.example/lib/arm/libfoo.so 11040 // /data/app/com.example/lib/arm64/libfoo.so 11041 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11042 11043 /** New install */ 11044 FileInstallArgs(InstallParams params) { 11045 super(params.origin, params.move, params.observer, params.installFlags, 11046 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11047 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11048 params.grantedRuntimePermissions, 11049 params.traceMethod, params.traceCookie); 11050 if (isFwdLocked()) { 11051 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11052 } 11053 } 11054 11055 /** Existing install */ 11056 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11057 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 11058 null, null, null, 0); 11059 this.codeFile = (codePath != null) ? new File(codePath) : null; 11060 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11061 } 11062 11063 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11064 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 11065 try { 11066 return doCopyApk(imcs, temp); 11067 } finally { 11068 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11069 } 11070 } 11071 11072 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11073 if (origin.staged) { 11074 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11075 codeFile = origin.file; 11076 resourceFile = origin.file; 11077 return PackageManager.INSTALL_SUCCEEDED; 11078 } 11079 11080 try { 11081 final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid); 11082 codeFile = tempDir; 11083 resourceFile = tempDir; 11084 } catch (IOException e) { 11085 Slog.w(TAG, "Failed to create copy file: " + e); 11086 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11087 } 11088 11089 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11090 @Override 11091 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11092 if (!FileUtils.isValidExtFilename(name)) { 11093 throw new IllegalArgumentException("Invalid filename: " + name); 11094 } 11095 try { 11096 final File file = new File(codeFile, name); 11097 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11098 O_RDWR | O_CREAT, 0644); 11099 Os.chmod(file.getAbsolutePath(), 0644); 11100 return new ParcelFileDescriptor(fd); 11101 } catch (ErrnoException e) { 11102 throw new RemoteException("Failed to open: " + e.getMessage()); 11103 } 11104 } 11105 }; 11106 11107 int ret = PackageManager.INSTALL_SUCCEEDED; 11108 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11109 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11110 Slog.e(TAG, "Failed to copy package"); 11111 return ret; 11112 } 11113 11114 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11115 NativeLibraryHelper.Handle handle = null; 11116 try { 11117 handle = NativeLibraryHelper.Handle.create(codeFile); 11118 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11119 abiOverride); 11120 } catch (IOException e) { 11121 Slog.e(TAG, "Copying native libraries failed", e); 11122 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11123 } finally { 11124 IoUtils.closeQuietly(handle); 11125 } 11126 11127 return ret; 11128 } 11129 11130 int doPreInstall(int status) { 11131 if (status != PackageManager.INSTALL_SUCCEEDED) { 11132 cleanUp(); 11133 } 11134 return status; 11135 } 11136 11137 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11138 if (status != PackageManager.INSTALL_SUCCEEDED) { 11139 cleanUp(); 11140 return false; 11141 } 11142 11143 final File targetDir = codeFile.getParentFile(); 11144 final File beforeCodeFile = codeFile; 11145 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11146 11147 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11148 try { 11149 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11150 } catch (ErrnoException e) { 11151 Slog.w(TAG, "Failed to rename", e); 11152 return false; 11153 } 11154 11155 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11156 Slog.w(TAG, "Failed to restorecon"); 11157 return false; 11158 } 11159 11160 // Reflect the rename internally 11161 codeFile = afterCodeFile; 11162 resourceFile = afterCodeFile; 11163 11164 // Reflect the rename in scanned details 11165 pkg.codePath = afterCodeFile.getAbsolutePath(); 11166 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11167 pkg.baseCodePath); 11168 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11169 pkg.splitCodePaths); 11170 11171 // Reflect the rename in app info 11172 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11173 pkg.applicationInfo.setCodePath(pkg.codePath); 11174 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11175 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11176 pkg.applicationInfo.setResourcePath(pkg.codePath); 11177 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11178 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11179 11180 return true; 11181 } 11182 11183 int doPostInstall(int status, int uid) { 11184 if (status != PackageManager.INSTALL_SUCCEEDED) { 11185 cleanUp(); 11186 } 11187 return status; 11188 } 11189 11190 @Override 11191 String getCodePath() { 11192 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11193 } 11194 11195 @Override 11196 String getResourcePath() { 11197 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11198 } 11199 11200 private boolean cleanUp() { 11201 if (codeFile == null || !codeFile.exists()) { 11202 return false; 11203 } 11204 11205 if (codeFile.isDirectory()) { 11206 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11207 } else { 11208 codeFile.delete(); 11209 } 11210 11211 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11212 resourceFile.delete(); 11213 } 11214 11215 return true; 11216 } 11217 11218 void cleanUpResourcesLI() { 11219 // Try enumerating all code paths before deleting 11220 List<String> allCodePaths = Collections.EMPTY_LIST; 11221 if (codeFile != null && codeFile.exists()) { 11222 try { 11223 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11224 allCodePaths = pkg.getAllCodePaths(); 11225 } catch (PackageParserException e) { 11226 // Ignored; we tried our best 11227 } 11228 } 11229 11230 cleanUp(); 11231 removeDexFiles(allCodePaths, instructionSets); 11232 } 11233 11234 boolean doPostDeleteLI(boolean delete) { 11235 // XXX err, shouldn't we respect the delete flag? 11236 cleanUpResourcesLI(); 11237 return true; 11238 } 11239 } 11240 11241 private boolean isAsecExternal(String cid) { 11242 final String asecPath = PackageHelper.getSdFilesystem(cid); 11243 return !asecPath.startsWith(mAsecInternalPath); 11244 } 11245 11246 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11247 PackageManagerException { 11248 if (copyRet < 0) { 11249 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11250 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11251 throw new PackageManagerException(copyRet, message); 11252 } 11253 } 11254 } 11255 11256 /** 11257 * Extract the MountService "container ID" from the full code path of an 11258 * .apk. 11259 */ 11260 static String cidFromCodePath(String fullCodePath) { 11261 int eidx = fullCodePath.lastIndexOf("/"); 11262 String subStr1 = fullCodePath.substring(0, eidx); 11263 int sidx = subStr1.lastIndexOf("/"); 11264 return subStr1.substring(sidx+1, eidx); 11265 } 11266 11267 /** 11268 * Logic to handle installation of ASEC applications, including copying and 11269 * renaming logic. 11270 */ 11271 class AsecInstallArgs extends InstallArgs { 11272 static final String RES_FILE_NAME = "pkg.apk"; 11273 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11274 11275 String cid; 11276 String packagePath; 11277 String resourcePath; 11278 11279 /** New install */ 11280 AsecInstallArgs(InstallParams params) { 11281 super(params.origin, params.move, params.observer, params.installFlags, 11282 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11283 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11284 params.grantedRuntimePermissions, 11285 params.traceMethod, params.traceCookie); 11286 } 11287 11288 /** Existing install */ 11289 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11290 boolean isExternal, boolean isForwardLocked) { 11291 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11292 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11293 instructionSets, null, null, null, 0); 11294 // Hackily pretend we're still looking at a full code path 11295 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11296 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11297 } 11298 11299 // Extract cid from fullCodePath 11300 int eidx = fullCodePath.lastIndexOf("/"); 11301 String subStr1 = fullCodePath.substring(0, eidx); 11302 int sidx = subStr1.lastIndexOf("/"); 11303 cid = subStr1.substring(sidx+1, eidx); 11304 setMountPath(subStr1); 11305 } 11306 11307 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11308 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11309 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11310 instructionSets, null, null, null, 0); 11311 this.cid = cid; 11312 setMountPath(PackageHelper.getSdDir(cid)); 11313 } 11314 11315 void createCopyFile() { 11316 cid = mInstallerService.allocateExternalStageCidLegacy(); 11317 } 11318 11319 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11320 if (origin.staged) { 11321 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11322 cid = origin.cid; 11323 setMountPath(PackageHelper.getSdDir(cid)); 11324 return PackageManager.INSTALL_SUCCEEDED; 11325 } 11326 11327 if (temp) { 11328 createCopyFile(); 11329 } else { 11330 /* 11331 * Pre-emptively destroy the container since it's destroyed if 11332 * copying fails due to it existing anyway. 11333 */ 11334 PackageHelper.destroySdDir(cid); 11335 } 11336 11337 final String newMountPath = imcs.copyPackageToContainer( 11338 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11339 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11340 11341 if (newMountPath != null) { 11342 setMountPath(newMountPath); 11343 return PackageManager.INSTALL_SUCCEEDED; 11344 } else { 11345 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11346 } 11347 } 11348 11349 @Override 11350 String getCodePath() { 11351 return packagePath; 11352 } 11353 11354 @Override 11355 String getResourcePath() { 11356 return resourcePath; 11357 } 11358 11359 int doPreInstall(int status) { 11360 if (status != PackageManager.INSTALL_SUCCEEDED) { 11361 // Destroy container 11362 PackageHelper.destroySdDir(cid); 11363 } else { 11364 boolean mounted = PackageHelper.isContainerMounted(cid); 11365 if (!mounted) { 11366 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11367 Process.SYSTEM_UID); 11368 if (newMountPath != null) { 11369 setMountPath(newMountPath); 11370 } else { 11371 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11372 } 11373 } 11374 } 11375 return status; 11376 } 11377 11378 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11379 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11380 String newMountPath = null; 11381 if (PackageHelper.isContainerMounted(cid)) { 11382 // Unmount the container 11383 if (!PackageHelper.unMountSdDir(cid)) { 11384 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11385 return false; 11386 } 11387 } 11388 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11389 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11390 " which might be stale. Will try to clean up."); 11391 // Clean up the stale container and proceed to recreate. 11392 if (!PackageHelper.destroySdDir(newCacheId)) { 11393 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11394 return false; 11395 } 11396 // Successfully cleaned up stale container. Try to rename again. 11397 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11398 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11399 + " inspite of cleaning it up."); 11400 return false; 11401 } 11402 } 11403 if (!PackageHelper.isContainerMounted(newCacheId)) { 11404 Slog.w(TAG, "Mounting container " + newCacheId); 11405 newMountPath = PackageHelper.mountSdDir(newCacheId, 11406 getEncryptKey(), Process.SYSTEM_UID); 11407 } else { 11408 newMountPath = PackageHelper.getSdDir(newCacheId); 11409 } 11410 if (newMountPath == null) { 11411 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11412 return false; 11413 } 11414 Log.i(TAG, "Succesfully renamed " + cid + 11415 " to " + newCacheId + 11416 " at new path: " + newMountPath); 11417 cid = newCacheId; 11418 11419 final File beforeCodeFile = new File(packagePath); 11420 setMountPath(newMountPath); 11421 final File afterCodeFile = new File(packagePath); 11422 11423 // Reflect the rename in scanned details 11424 pkg.codePath = afterCodeFile.getAbsolutePath(); 11425 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11426 pkg.baseCodePath); 11427 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11428 pkg.splitCodePaths); 11429 11430 // Reflect the rename in app info 11431 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11432 pkg.applicationInfo.setCodePath(pkg.codePath); 11433 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11434 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11435 pkg.applicationInfo.setResourcePath(pkg.codePath); 11436 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11437 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11438 11439 return true; 11440 } 11441 11442 private void setMountPath(String mountPath) { 11443 final File mountFile = new File(mountPath); 11444 11445 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11446 if (monolithicFile.exists()) { 11447 packagePath = monolithicFile.getAbsolutePath(); 11448 if (isFwdLocked()) { 11449 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11450 } else { 11451 resourcePath = packagePath; 11452 } 11453 } else { 11454 packagePath = mountFile.getAbsolutePath(); 11455 resourcePath = packagePath; 11456 } 11457 } 11458 11459 int doPostInstall(int status, int uid) { 11460 if (status != PackageManager.INSTALL_SUCCEEDED) { 11461 cleanUp(); 11462 } else { 11463 final int groupOwner; 11464 final String protectedFile; 11465 if (isFwdLocked()) { 11466 groupOwner = UserHandle.getSharedAppGid(uid); 11467 protectedFile = RES_FILE_NAME; 11468 } else { 11469 groupOwner = -1; 11470 protectedFile = null; 11471 } 11472 11473 if (uid < Process.FIRST_APPLICATION_UID 11474 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11475 Slog.e(TAG, "Failed to finalize " + cid); 11476 PackageHelper.destroySdDir(cid); 11477 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11478 } 11479 11480 boolean mounted = PackageHelper.isContainerMounted(cid); 11481 if (!mounted) { 11482 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11483 } 11484 } 11485 return status; 11486 } 11487 11488 private void cleanUp() { 11489 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11490 11491 // Destroy secure container 11492 PackageHelper.destroySdDir(cid); 11493 } 11494 11495 private List<String> getAllCodePaths() { 11496 final File codeFile = new File(getCodePath()); 11497 if (codeFile != null && codeFile.exists()) { 11498 try { 11499 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11500 return pkg.getAllCodePaths(); 11501 } catch (PackageParserException e) { 11502 // Ignored; we tried our best 11503 } 11504 } 11505 return Collections.EMPTY_LIST; 11506 } 11507 11508 void cleanUpResourcesLI() { 11509 // Enumerate all code paths before deleting 11510 cleanUpResourcesLI(getAllCodePaths()); 11511 } 11512 11513 private void cleanUpResourcesLI(List<String> allCodePaths) { 11514 cleanUp(); 11515 removeDexFiles(allCodePaths, instructionSets); 11516 } 11517 11518 String getPackageName() { 11519 return getAsecPackageName(cid); 11520 } 11521 11522 boolean doPostDeleteLI(boolean delete) { 11523 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11524 final List<String> allCodePaths = getAllCodePaths(); 11525 boolean mounted = PackageHelper.isContainerMounted(cid); 11526 if (mounted) { 11527 // Unmount first 11528 if (PackageHelper.unMountSdDir(cid)) { 11529 mounted = false; 11530 } 11531 } 11532 if (!mounted && delete) { 11533 cleanUpResourcesLI(allCodePaths); 11534 } 11535 return !mounted; 11536 } 11537 11538 @Override 11539 int doPreCopy() { 11540 if (isFwdLocked()) { 11541 if (!PackageHelper.fixSdPermissions(cid, 11542 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 11543 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11544 } 11545 } 11546 11547 return PackageManager.INSTALL_SUCCEEDED; 11548 } 11549 11550 @Override 11551 int doPostCopy(int uid) { 11552 if (isFwdLocked()) { 11553 if (uid < Process.FIRST_APPLICATION_UID 11554 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11555 RES_FILE_NAME)) { 11556 Slog.e(TAG, "Failed to finalize " + cid); 11557 PackageHelper.destroySdDir(cid); 11558 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11559 } 11560 } 11561 11562 return PackageManager.INSTALL_SUCCEEDED; 11563 } 11564 } 11565 11566 /** 11567 * Logic to handle movement of existing installed applications. 11568 */ 11569 class MoveInstallArgs extends InstallArgs { 11570 private File codeFile; 11571 private File resourceFile; 11572 11573 /** New install */ 11574 MoveInstallArgs(InstallParams params) { 11575 super(params.origin, params.move, params.observer, params.installFlags, 11576 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11577 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11578 params.grantedRuntimePermissions, 11579 params.traceMethod, params.traceCookie); 11580 } 11581 11582 int copyApk(IMediaContainerService imcs, boolean temp) { 11583 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 11584 + move.fromUuid + " to " + move.toUuid); 11585 synchronized (mInstaller) { 11586 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 11587 move.dataAppName, move.appId, move.seinfo) != 0) { 11588 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11589 } 11590 } 11591 11592 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 11593 resourceFile = codeFile; 11594 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 11595 11596 return PackageManager.INSTALL_SUCCEEDED; 11597 } 11598 11599 int doPreInstall(int status) { 11600 if (status != PackageManager.INSTALL_SUCCEEDED) { 11601 cleanUp(move.toUuid); 11602 } 11603 return status; 11604 } 11605 11606 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11607 if (status != PackageManager.INSTALL_SUCCEEDED) { 11608 cleanUp(move.toUuid); 11609 return false; 11610 } 11611 11612 // Reflect the move in app info 11613 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11614 pkg.applicationInfo.setCodePath(pkg.codePath); 11615 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11616 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11617 pkg.applicationInfo.setResourcePath(pkg.codePath); 11618 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11619 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11620 11621 return true; 11622 } 11623 11624 int doPostInstall(int status, int uid) { 11625 if (status == PackageManager.INSTALL_SUCCEEDED) { 11626 cleanUp(move.fromUuid); 11627 } else { 11628 cleanUp(move.toUuid); 11629 } 11630 return status; 11631 } 11632 11633 @Override 11634 String getCodePath() { 11635 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11636 } 11637 11638 @Override 11639 String getResourcePath() { 11640 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11641 } 11642 11643 private boolean cleanUp(String volumeUuid) { 11644 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 11645 move.dataAppName); 11646 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 11647 synchronized (mInstallLock) { 11648 // Clean up both app data and code 11649 removeDataDirsLI(volumeUuid, move.packageName); 11650 if (codeFile.isDirectory()) { 11651 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11652 } else { 11653 codeFile.delete(); 11654 } 11655 } 11656 return true; 11657 } 11658 11659 void cleanUpResourcesLI() { 11660 throw new UnsupportedOperationException(); 11661 } 11662 11663 boolean doPostDeleteLI(boolean delete) { 11664 throw new UnsupportedOperationException(); 11665 } 11666 } 11667 11668 static String getAsecPackageName(String packageCid) { 11669 int idx = packageCid.lastIndexOf("-"); 11670 if (idx == -1) { 11671 return packageCid; 11672 } 11673 return packageCid.substring(0, idx); 11674 } 11675 11676 // Utility method used to create code paths based on package name and available index. 11677 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 11678 String idxStr = ""; 11679 int idx = 1; 11680 // Fall back to default value of idx=1 if prefix is not 11681 // part of oldCodePath 11682 if (oldCodePath != null) { 11683 String subStr = oldCodePath; 11684 // Drop the suffix right away 11685 if (suffix != null && subStr.endsWith(suffix)) { 11686 subStr = subStr.substring(0, subStr.length() - suffix.length()); 11687 } 11688 // If oldCodePath already contains prefix find out the 11689 // ending index to either increment or decrement. 11690 int sidx = subStr.lastIndexOf(prefix); 11691 if (sidx != -1) { 11692 subStr = subStr.substring(sidx + prefix.length()); 11693 if (subStr != null) { 11694 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 11695 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 11696 } 11697 try { 11698 idx = Integer.parseInt(subStr); 11699 if (idx <= 1) { 11700 idx++; 11701 } else { 11702 idx--; 11703 } 11704 } catch(NumberFormatException e) { 11705 } 11706 } 11707 } 11708 } 11709 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 11710 return prefix + idxStr; 11711 } 11712 11713 private File getNextCodePath(File targetDir, String packageName) { 11714 int suffix = 1; 11715 File result; 11716 do { 11717 result = new File(targetDir, packageName + "-" + suffix); 11718 suffix++; 11719 } while (result.exists()); 11720 return result; 11721 } 11722 11723 // Utility method that returns the relative package path with respect 11724 // to the installation directory. Like say for /data/data/com.test-1.apk 11725 // string com.test-1 is returned. 11726 static String deriveCodePathName(String codePath) { 11727 if (codePath == null) { 11728 return null; 11729 } 11730 final File codeFile = new File(codePath); 11731 final String name = codeFile.getName(); 11732 if (codeFile.isDirectory()) { 11733 return name; 11734 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 11735 final int lastDot = name.lastIndexOf('.'); 11736 return name.substring(0, lastDot); 11737 } else { 11738 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 11739 return null; 11740 } 11741 } 11742 11743 class PackageInstalledInfo { 11744 String name; 11745 int uid; 11746 // The set of users that originally had this package installed. 11747 int[] origUsers; 11748 // The set of users that now have this package installed. 11749 int[] newUsers; 11750 PackageParser.Package pkg; 11751 int returnCode; 11752 String returnMsg; 11753 PackageRemovedInfo removedInfo; 11754 11755 public void setError(int code, String msg) { 11756 returnCode = code; 11757 returnMsg = msg; 11758 Slog.w(TAG, msg); 11759 } 11760 11761 public void setError(String msg, PackageParserException e) { 11762 returnCode = e.error; 11763 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11764 Slog.w(TAG, msg, e); 11765 } 11766 11767 public void setError(String msg, PackageManagerException e) { 11768 returnCode = e.error; 11769 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11770 Slog.w(TAG, msg, e); 11771 } 11772 11773 // In some error cases we want to convey more info back to the observer 11774 String origPackage; 11775 String origPermission; 11776 } 11777 11778 /* 11779 * Install a non-existing package. 11780 */ 11781 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11782 UserHandle user, String installerPackageName, String volumeUuid, 11783 PackageInstalledInfo res) { 11784 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 11785 11786 // Remember this for later, in case we need to rollback this install 11787 String pkgName = pkg.packageName; 11788 11789 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 11790 // TODO: b/23350563 11791 final boolean dataDirExists = Environment 11792 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists(); 11793 11794 synchronized(mPackages) { 11795 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 11796 // A package with the same name is already installed, though 11797 // it has been renamed to an older name. The package we 11798 // are trying to install should be installed as an update to 11799 // the existing one, but that has not been requested, so bail. 11800 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11801 + " without first uninstalling package running as " 11802 + mSettings.mRenamedPackages.get(pkgName)); 11803 return; 11804 } 11805 if (mPackages.containsKey(pkgName)) { 11806 // Don't allow installation over an existing package with the same name. 11807 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11808 + " without first uninstalling."); 11809 return; 11810 } 11811 } 11812 11813 try { 11814 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 11815 System.currentTimeMillis(), user); 11816 11817 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 11818 // delete the partially installed application. the data directory will have to be 11819 // restored if it was already existing 11820 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11821 // remove package from internal structures. Note that we want deletePackageX to 11822 // delete the package data and cache directories that it created in 11823 // scanPackageLocked, unless those directories existed before we even tried to 11824 // install. 11825 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 11826 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 11827 res.removedInfo, true); 11828 } 11829 11830 } catch (PackageManagerException e) { 11831 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11832 } 11833 11834 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11835 } 11836 11837 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 11838 // Can't rotate keys during boot or if sharedUser. 11839 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 11840 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 11841 return false; 11842 } 11843 // app is using upgradeKeySets; make sure all are valid 11844 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11845 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 11846 for (int i = 0; i < upgradeKeySets.length; i++) { 11847 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 11848 Slog.wtf(TAG, "Package " 11849 + (oldPs.name != null ? oldPs.name : "<null>") 11850 + " contains upgrade-key-set reference to unknown key-set: " 11851 + upgradeKeySets[i] 11852 + " reverting to signatures check."); 11853 return false; 11854 } 11855 } 11856 return true; 11857 } 11858 11859 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 11860 // Upgrade keysets are being used. Determine if new package has a superset of the 11861 // required keys. 11862 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 11863 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11864 for (int i = 0; i < upgradeKeySets.length; i++) { 11865 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 11866 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 11867 return true; 11868 } 11869 } 11870 return false; 11871 } 11872 11873 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11874 UserHandle user, String installerPackageName, String volumeUuid, 11875 PackageInstalledInfo res) { 11876 final PackageParser.Package oldPackage; 11877 final String pkgName = pkg.packageName; 11878 final int[] allUsers; 11879 final boolean[] perUserInstalled; 11880 11881 // First find the old package info and check signatures 11882 synchronized(mPackages) { 11883 oldPackage = mPackages.get(pkgName); 11884 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 11885 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11886 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 11887 if(!checkUpgradeKeySetLP(ps, pkg)) { 11888 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11889 "New package not signed by keys specified by upgrade-keysets: " 11890 + pkgName); 11891 return; 11892 } 11893 } else { 11894 // default to original signature matching 11895 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 11896 != PackageManager.SIGNATURE_MATCH) { 11897 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11898 "New package has a different signature: " + pkgName); 11899 return; 11900 } 11901 } 11902 11903 // In case of rollback, remember per-user/profile install state 11904 allUsers = sUserManager.getUserIds(); 11905 perUserInstalled = new boolean[allUsers.length]; 11906 for (int i = 0; i < allUsers.length; i++) { 11907 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 11908 } 11909 } 11910 11911 boolean sysPkg = (isSystemApp(oldPackage)); 11912 if (sysPkg) { 11913 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11914 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11915 } else { 11916 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11917 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11918 } 11919 } 11920 11921 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 11922 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11923 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11924 String volumeUuid, PackageInstalledInfo res) { 11925 String pkgName = deletedPackage.packageName; 11926 boolean deletedPkg = true; 11927 boolean updatedSettings = false; 11928 11929 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 11930 + deletedPackage); 11931 long origUpdateTime; 11932 if (pkg.mExtras != null) { 11933 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 11934 } else { 11935 origUpdateTime = 0; 11936 } 11937 11938 // First delete the existing package while retaining the data directory 11939 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 11940 res.removedInfo, true)) { 11941 // If the existing package wasn't successfully deleted 11942 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 11943 deletedPkg = false; 11944 } else { 11945 // Successfully deleted the old package; proceed with replace. 11946 11947 // If deleted package lived in a container, give users a chance to 11948 // relinquish resources before killing. 11949 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 11950 if (DEBUG_INSTALL) { 11951 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 11952 } 11953 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 11954 final ArrayList<String> pkgList = new ArrayList<String>(1); 11955 pkgList.add(deletedPackage.applicationInfo.packageName); 11956 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 11957 } 11958 11959 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 11960 try { 11961 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 11962 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 11963 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 11964 perUserInstalled, res, user); 11965 updatedSettings = true; 11966 } catch (PackageManagerException e) { 11967 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11968 } 11969 } 11970 11971 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11972 // remove package from internal structures. Note that we want deletePackageX to 11973 // delete the package data and cache directories that it created in 11974 // scanPackageLocked, unless those directories existed before we even tried to 11975 // install. 11976 if(updatedSettings) { 11977 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 11978 deletePackageLI( 11979 pkgName, null, true, allUsers, perUserInstalled, 11980 PackageManager.DELETE_KEEP_DATA, 11981 res.removedInfo, true); 11982 } 11983 // Since we failed to install the new package we need to restore the old 11984 // package that we deleted. 11985 if (deletedPkg) { 11986 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 11987 File restoreFile = new File(deletedPackage.codePath); 11988 // Parse old package 11989 boolean oldExternal = isExternal(deletedPackage); 11990 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 11991 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 11992 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 11993 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 11994 try { 11995 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 11996 null); 11997 } catch (PackageManagerException e) { 11998 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 11999 + e.getMessage()); 12000 return; 12001 } 12002 // Restore of old package succeeded. Update permissions. 12003 // writer 12004 synchronized (mPackages) { 12005 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 12006 UPDATE_PERMISSIONS_ALL); 12007 // can downgrade to reader 12008 mSettings.writeLPr(); 12009 } 12010 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 12011 } 12012 } 12013 } 12014 12015 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 12016 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12017 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12018 String volumeUuid, PackageInstalledInfo res) { 12019 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 12020 + ", old=" + deletedPackage); 12021 boolean disabledSystem = false; 12022 boolean updatedSettings = false; 12023 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 12024 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 12025 != 0) { 12026 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12027 } 12028 String packageName = deletedPackage.packageName; 12029 if (packageName == null) { 12030 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12031 "Attempt to delete null packageName."); 12032 return; 12033 } 12034 PackageParser.Package oldPkg; 12035 PackageSetting oldPkgSetting; 12036 // reader 12037 synchronized (mPackages) { 12038 oldPkg = mPackages.get(packageName); 12039 oldPkgSetting = mSettings.mPackages.get(packageName); 12040 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12041 (oldPkgSetting == null)) { 12042 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12043 "Couldn't find package:" + packageName + " information"); 12044 return; 12045 } 12046 } 12047 12048 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12049 12050 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12051 res.removedInfo.removedPackage = packageName; 12052 // Remove existing system package 12053 removePackageLI(oldPkgSetting, true); 12054 // writer 12055 synchronized (mPackages) { 12056 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12057 if (!disabledSystem && deletedPackage != null) { 12058 // We didn't need to disable the .apk as a current system package, 12059 // which means we are replacing another update that is already 12060 // installed. We need to make sure to delete the older one's .apk. 12061 res.removedInfo.args = createInstallArgsForExisting(0, 12062 deletedPackage.applicationInfo.getCodePath(), 12063 deletedPackage.applicationInfo.getResourcePath(), 12064 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12065 } else { 12066 res.removedInfo.args = null; 12067 } 12068 } 12069 12070 // Successfully disabled the old package. Now proceed with re-installation 12071 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12072 12073 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12074 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12075 12076 PackageParser.Package newPackage = null; 12077 try { 12078 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 12079 if (newPackage.mExtras != null) { 12080 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12081 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12082 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12083 12084 // is the update attempting to change shared user? that isn't going to work... 12085 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12086 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12087 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12088 + " to " + newPkgSetting.sharedUser); 12089 updatedSettings = true; 12090 } 12091 } 12092 12093 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12094 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12095 perUserInstalled, res, user); 12096 updatedSettings = true; 12097 } 12098 12099 } catch (PackageManagerException e) { 12100 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12101 } 12102 12103 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12104 // Re installation failed. Restore old information 12105 // Remove new pkg information 12106 if (newPackage != null) { 12107 removeInstalledPackageLI(newPackage, true); 12108 } 12109 // Add back the old system package 12110 try { 12111 scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12112 } catch (PackageManagerException e) { 12113 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12114 } 12115 // Restore the old system information in Settings 12116 synchronized (mPackages) { 12117 if (disabledSystem) { 12118 mSettings.enableSystemPackageLPw(packageName); 12119 } 12120 if (updatedSettings) { 12121 mSettings.setInstallerPackageName(packageName, 12122 oldPkgSetting.installerPackageName); 12123 } 12124 mSettings.writeLPr(); 12125 } 12126 } 12127 } 12128 12129 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 12130 // Collect all used permissions in the UID 12131 ArraySet<String> usedPermissions = new ArraySet<>(); 12132 final int packageCount = su.packages.size(); 12133 for (int i = 0; i < packageCount; i++) { 12134 PackageSetting ps = su.packages.valueAt(i); 12135 if (ps.pkg == null) { 12136 continue; 12137 } 12138 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 12139 for (int j = 0; j < requestedPermCount; j++) { 12140 String permission = ps.pkg.requestedPermissions.get(j); 12141 BasePermission bp = mSettings.mPermissions.get(permission); 12142 if (bp != null) { 12143 usedPermissions.add(permission); 12144 } 12145 } 12146 } 12147 12148 PermissionsState permissionsState = su.getPermissionsState(); 12149 // Prune install permissions 12150 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 12151 final int installPermCount = installPermStates.size(); 12152 for (int i = installPermCount - 1; i >= 0; i--) { 12153 PermissionState permissionState = installPermStates.get(i); 12154 if (!usedPermissions.contains(permissionState.getName())) { 12155 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12156 if (bp != null) { 12157 permissionsState.revokeInstallPermission(bp); 12158 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12159 PackageManager.MASK_PERMISSION_FLAGS, 0); 12160 } 12161 } 12162 } 12163 12164 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 12165 12166 // Prune runtime permissions 12167 for (int userId : allUserIds) { 12168 List<PermissionState> runtimePermStates = permissionsState 12169 .getRuntimePermissionStates(userId); 12170 final int runtimePermCount = runtimePermStates.size(); 12171 for (int i = runtimePermCount - 1; i >= 0; i--) { 12172 PermissionState permissionState = runtimePermStates.get(i); 12173 if (!usedPermissions.contains(permissionState.getName())) { 12174 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12175 if (bp != null) { 12176 permissionsState.revokeRuntimePermission(bp, userId); 12177 permissionsState.updatePermissionFlags(bp, userId, 12178 PackageManager.MASK_PERMISSION_FLAGS, 0); 12179 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 12180 runtimePermissionChangedUserIds, userId); 12181 } 12182 } 12183 } 12184 } 12185 12186 return runtimePermissionChangedUserIds; 12187 } 12188 12189 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12190 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12191 UserHandle user) { 12192 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 12193 12194 String pkgName = newPackage.packageName; 12195 synchronized (mPackages) { 12196 //write settings. the installStatus will be incomplete at this stage. 12197 //note that the new package setting would have already been 12198 //added to mPackages. It hasn't been persisted yet. 12199 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12200 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12201 mSettings.writeLPr(); 12202 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12203 } 12204 12205 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12206 synchronized (mPackages) { 12207 updatePermissionsLPw(newPackage.packageName, newPackage, 12208 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12209 ? UPDATE_PERMISSIONS_ALL : 0)); 12210 // For system-bundled packages, we assume that installing an upgraded version 12211 // of the package implies that the user actually wants to run that new code, 12212 // so we enable the package. 12213 PackageSetting ps = mSettings.mPackages.get(pkgName); 12214 if (ps != null) { 12215 if (isSystemApp(newPackage)) { 12216 // NB: implicit assumption that system package upgrades apply to all users 12217 if (DEBUG_INSTALL) { 12218 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12219 } 12220 if (res.origUsers != null) { 12221 for (int userHandle : res.origUsers) { 12222 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12223 userHandle, installerPackageName); 12224 } 12225 } 12226 // Also convey the prior install/uninstall state 12227 if (allUsers != null && perUserInstalled != null) { 12228 for (int i = 0; i < allUsers.length; i++) { 12229 if (DEBUG_INSTALL) { 12230 Slog.d(TAG, " user " + allUsers[i] 12231 + " => " + perUserInstalled[i]); 12232 } 12233 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12234 } 12235 // these install state changes will be persisted in the 12236 // upcoming call to mSettings.writeLPr(). 12237 } 12238 } 12239 // It's implied that when a user requests installation, they want the app to be 12240 // installed and enabled. 12241 int userId = user.getIdentifier(); 12242 if (userId != UserHandle.USER_ALL) { 12243 ps.setInstalled(true, userId); 12244 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12245 } 12246 } 12247 res.name = pkgName; 12248 res.uid = newPackage.applicationInfo.uid; 12249 res.pkg = newPackage; 12250 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12251 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12252 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12253 //to update install status 12254 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12255 mSettings.writeLPr(); 12256 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12257 } 12258 12259 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12260 } 12261 12262 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 12263 try { 12264 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 12265 installPackageLI(args, res); 12266 } finally { 12267 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12268 } 12269 } 12270 12271 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12272 final int installFlags = args.installFlags; 12273 final String installerPackageName = args.installerPackageName; 12274 final String volumeUuid = args.volumeUuid; 12275 final File tmpPackageFile = new File(args.getCodePath()); 12276 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12277 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12278 || (args.volumeUuid != null)); 12279 final boolean quickInstall = ((installFlags & PackageManager.INSTALL_QUICK) != 0); 12280 boolean replace = false; 12281 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12282 if (args.move != null) { 12283 // moving a complete application; perfom an initial scan on the new install location 12284 scanFlags |= SCAN_INITIAL; 12285 } 12286 // Result object to be returned 12287 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12288 12289 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12290 12291 // Retrieve PackageSettings and parse package 12292 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12293 | PackageParser.PARSE_ENFORCE_CODE 12294 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12295 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 12296 | (quickInstall ? PackageParser.PARSE_SKIP_VERIFICATION : 0); 12297 PackageParser pp = new PackageParser(); 12298 pp.setSeparateProcesses(mSeparateProcesses); 12299 pp.setDisplayMetrics(mMetrics); 12300 12301 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 12302 final PackageParser.Package pkg; 12303 try { 12304 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12305 } catch (PackageParserException e) { 12306 res.setError("Failed parse during installPackageLI", e); 12307 return; 12308 } finally { 12309 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12310 } 12311 12312 // Mark that we have an install time CPU ABI override. 12313 pkg.cpuAbiOverride = args.abiOverride; 12314 12315 String pkgName = res.name = pkg.packageName; 12316 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12317 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12318 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12319 return; 12320 } 12321 } 12322 12323 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 12324 try { 12325 pp.collectCertificates(pkg, parseFlags); 12326 } catch (PackageParserException e) { 12327 res.setError("Failed collect during installPackageLI", e); 12328 return; 12329 } finally { 12330 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12331 } 12332 12333 /* If the installer passed in a manifest digest, compare it now. */ 12334 if (args.manifestDigest != null) { 12335 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectManifestDigest"); 12336 try { 12337 pp.collectManifestDigest(pkg); 12338 } catch (PackageParserException e) { 12339 res.setError("Failed collect during installPackageLI", e); 12340 return; 12341 } finally { 12342 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12343 } 12344 12345 if (DEBUG_INSTALL) { 12346 final String parsedManifest = pkg.manifestDigest == null ? "null" 12347 : pkg.manifestDigest.toString(); 12348 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12349 + parsedManifest); 12350 } 12351 12352 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12353 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12354 return; 12355 } 12356 } else if (DEBUG_INSTALL) { 12357 final String parsedManifest = pkg.manifestDigest == null 12358 ? "null" : pkg.manifestDigest.toString(); 12359 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12360 } 12361 12362 // Get rid of all references to package scan path via parser. 12363 pp = null; 12364 String oldCodePath = null; 12365 boolean systemApp = false; 12366 synchronized (mPackages) { 12367 // Check if installing already existing package 12368 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12369 String oldName = mSettings.mRenamedPackages.get(pkgName); 12370 if (pkg.mOriginalPackages != null 12371 && pkg.mOriginalPackages.contains(oldName) 12372 && mPackages.containsKey(oldName)) { 12373 // This package is derived from an original package, 12374 // and this device has been updating from that original 12375 // name. We must continue using the original name, so 12376 // rename the new package here. 12377 pkg.setPackageName(oldName); 12378 pkgName = pkg.packageName; 12379 replace = true; 12380 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12381 + oldName + " pkgName=" + pkgName); 12382 } else if (mPackages.containsKey(pkgName)) { 12383 // This package, under its official name, already exists 12384 // on the device; we should replace it. 12385 replace = true; 12386 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12387 } 12388 12389 // Prevent apps opting out from runtime permissions 12390 if (replace) { 12391 PackageParser.Package oldPackage = mPackages.get(pkgName); 12392 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12393 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12394 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12395 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12396 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12397 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12398 + " doesn't support runtime permissions but the old" 12399 + " target SDK " + oldTargetSdk + " does."); 12400 return; 12401 } 12402 } 12403 } 12404 12405 PackageSetting ps = mSettings.mPackages.get(pkgName); 12406 if (ps != null) { 12407 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12408 12409 // Quick sanity check that we're signed correctly if updating; 12410 // we'll check this again later when scanning, but we want to 12411 // bail early here before tripping over redefined permissions. 12412 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12413 if (!checkUpgradeKeySetLP(ps, pkg)) { 12414 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12415 + pkg.packageName + " upgrade keys do not match the " 12416 + "previously installed version"); 12417 return; 12418 } 12419 } else { 12420 try { 12421 verifySignaturesLP(ps, pkg); 12422 } catch (PackageManagerException e) { 12423 res.setError(e.error, e.getMessage()); 12424 return; 12425 } 12426 } 12427 12428 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12429 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12430 systemApp = (ps.pkg.applicationInfo.flags & 12431 ApplicationInfo.FLAG_SYSTEM) != 0; 12432 } 12433 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12434 } 12435 12436 // Check whether the newly-scanned package wants to define an already-defined perm 12437 int N = pkg.permissions.size(); 12438 for (int i = N-1; i >= 0; i--) { 12439 PackageParser.Permission perm = pkg.permissions.get(i); 12440 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12441 if (bp != null) { 12442 // If the defining package is signed with our cert, it's okay. This 12443 // also includes the "updating the same package" case, of course. 12444 // "updating same package" could also involve key-rotation. 12445 final boolean sigsOk; 12446 if (bp.sourcePackage.equals(pkg.packageName) 12447 && (bp.packageSetting instanceof PackageSetting) 12448 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12449 scanFlags))) { 12450 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12451 } else { 12452 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12453 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12454 } 12455 if (!sigsOk) { 12456 // If the owning package is the system itself, we log but allow 12457 // install to proceed; we fail the install on all other permission 12458 // redefinitions. 12459 if (!bp.sourcePackage.equals("android")) { 12460 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12461 + pkg.packageName + " attempting to redeclare permission " 12462 + perm.info.name + " already owned by " + bp.sourcePackage); 12463 res.origPermission = perm.info.name; 12464 res.origPackage = bp.sourcePackage; 12465 return; 12466 } else { 12467 Slog.w(TAG, "Package " + pkg.packageName 12468 + " attempting to redeclare system permission " 12469 + perm.info.name + "; ignoring new declaration"); 12470 pkg.permissions.remove(i); 12471 } 12472 } 12473 } 12474 } 12475 12476 } 12477 12478 if (systemApp && onExternal) { 12479 // Disable updates to system apps on sdcard 12480 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12481 "Cannot install updates to system apps on sdcard"); 12482 return; 12483 } 12484 12485 if (args.move != null) { 12486 // We did an in-place move, so dex is ready to roll 12487 scanFlags |= SCAN_NO_DEX; 12488 scanFlags |= SCAN_MOVE; 12489 12490 synchronized (mPackages) { 12491 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12492 if (ps == null) { 12493 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 12494 "Missing settings for moved package " + pkgName); 12495 } 12496 12497 // We moved the entire application as-is, so bring over the 12498 // previously derived ABI information. 12499 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 12500 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 12501 } 12502 12503 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12504 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12505 scanFlags |= SCAN_NO_DEX; 12506 12507 try { 12508 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12509 true /* extract libs */); 12510 } catch (PackageManagerException pme) { 12511 Slog.e(TAG, "Error deriving application ABI", pme); 12512 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12513 return; 12514 } 12515 } 12516 12517 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12518 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12519 return; 12520 } 12521 12522 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12523 12524 if (replace) { 12525 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 12526 installerPackageName, volumeUuid, res); 12527 } else { 12528 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12529 args.user, installerPackageName, volumeUuid, res); 12530 } 12531 synchronized (mPackages) { 12532 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12533 if (ps != null) { 12534 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12535 } 12536 } 12537 } 12538 12539 private void startIntentFilterVerifications(int userId, boolean replacing, 12540 PackageParser.Package pkg) { 12541 if (mIntentFilterVerifierComponent == null) { 12542 Slog.w(TAG, "No IntentFilter verification will not be done as " 12543 + "there is no IntentFilterVerifier available!"); 12544 return; 12545 } 12546 12547 final int verifierUid = getPackageUid( 12548 mIntentFilterVerifierComponent.getPackageName(), 12549 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 12550 12551 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12552 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12553 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12554 mHandler.sendMessage(msg); 12555 } 12556 12557 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12558 PackageParser.Package pkg) { 12559 int size = pkg.activities.size(); 12560 if (size == 0) { 12561 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12562 "No activity, so no need to verify any IntentFilter!"); 12563 return; 12564 } 12565 12566 final boolean hasDomainURLs = hasDomainURLs(pkg); 12567 if (!hasDomainURLs) { 12568 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12569 "No domain URLs, so no need to verify any IntentFilter!"); 12570 return; 12571 } 12572 12573 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12574 + " if any IntentFilter from the " + size 12575 + " Activities needs verification ..."); 12576 12577 int count = 0; 12578 final String packageName = pkg.packageName; 12579 12580 synchronized (mPackages) { 12581 // If this is a new install and we see that we've already run verification for this 12582 // package, we have nothing to do: it means the state was restored from backup. 12583 if (!replacing) { 12584 IntentFilterVerificationInfo ivi = 12585 mSettings.getIntentFilterVerificationLPr(packageName); 12586 if (ivi != null) { 12587 if (DEBUG_DOMAIN_VERIFICATION) { 12588 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 12589 + ivi.getStatusString()); 12590 } 12591 return; 12592 } 12593 } 12594 12595 // If any filters need to be verified, then all need to be. 12596 boolean needToVerify = false; 12597 for (PackageParser.Activity a : pkg.activities) { 12598 for (ActivityIntentInfo filter : a.intents) { 12599 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 12600 if (DEBUG_DOMAIN_VERIFICATION) { 12601 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 12602 } 12603 needToVerify = true; 12604 break; 12605 } 12606 } 12607 } 12608 12609 if (needToVerify) { 12610 final int verificationId = mIntentFilterVerificationToken++; 12611 for (PackageParser.Activity a : pkg.activities) { 12612 for (ActivityIntentInfo filter : a.intents) { 12613 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 12614 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12615 "Verification needed for IntentFilter:" + filter.toString()); 12616 mIntentFilterVerifier.addOneIntentFilterVerification( 12617 verifierUid, userId, verificationId, filter, packageName); 12618 count++; 12619 } 12620 } 12621 } 12622 } 12623 } 12624 12625 if (count > 0) { 12626 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 12627 + " IntentFilter verification" + (count > 1 ? "s" : "") 12628 + " for userId:" + userId); 12629 mIntentFilterVerifier.startVerifications(userId); 12630 } else { 12631 if (DEBUG_DOMAIN_VERIFICATION) { 12632 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 12633 } 12634 } 12635 } 12636 12637 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 12638 final ComponentName cn = filter.activity.getComponentName(); 12639 final String packageName = cn.getPackageName(); 12640 12641 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 12642 packageName); 12643 if (ivi == null) { 12644 return true; 12645 } 12646 int status = ivi.getStatus(); 12647 switch (status) { 12648 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 12649 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 12650 return true; 12651 12652 default: 12653 // Nothing to do 12654 return false; 12655 } 12656 } 12657 12658 private static boolean isMultiArch(PackageSetting ps) { 12659 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12660 } 12661 12662 private static boolean isMultiArch(ApplicationInfo info) { 12663 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12664 } 12665 12666 private static boolean isExternal(PackageParser.Package pkg) { 12667 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12668 } 12669 12670 private static boolean isExternal(PackageSetting ps) { 12671 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12672 } 12673 12674 private static boolean isExternal(ApplicationInfo info) { 12675 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12676 } 12677 12678 private static boolean isSystemApp(PackageParser.Package pkg) { 12679 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12680 } 12681 12682 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 12683 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 12684 } 12685 12686 private static boolean hasDomainURLs(PackageParser.Package pkg) { 12687 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 12688 } 12689 12690 private static boolean isSystemApp(PackageSetting ps) { 12691 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 12692 } 12693 12694 private static boolean isUpdatedSystemApp(PackageSetting ps) { 12695 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 12696 } 12697 12698 private int packageFlagsToInstallFlags(PackageSetting ps) { 12699 int installFlags = 0; 12700 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 12701 // This existing package was an external ASEC install when we have 12702 // the external flag without a UUID 12703 installFlags |= PackageManager.INSTALL_EXTERNAL; 12704 } 12705 if (ps.isForwardLocked()) { 12706 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12707 } 12708 return installFlags; 12709 } 12710 12711 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 12712 if (isExternal(pkg)) { 12713 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12714 return StorageManager.UUID_PRIMARY_PHYSICAL; 12715 } else { 12716 return pkg.volumeUuid; 12717 } 12718 } else { 12719 return StorageManager.UUID_PRIVATE_INTERNAL; 12720 } 12721 } 12722 12723 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 12724 if (isExternal(pkg)) { 12725 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12726 return mSettings.getExternalVersion(); 12727 } else { 12728 return mSettings.findOrCreateVersion(pkg.volumeUuid); 12729 } 12730 } else { 12731 return mSettings.getInternalVersion(); 12732 } 12733 } 12734 12735 private void deleteTempPackageFiles() { 12736 final FilenameFilter filter = new FilenameFilter() { 12737 public boolean accept(File dir, String name) { 12738 return name.startsWith("vmdl") && name.endsWith(".tmp"); 12739 } 12740 }; 12741 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 12742 file.delete(); 12743 } 12744 } 12745 12746 @Override 12747 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 12748 int flags) { 12749 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 12750 flags); 12751 } 12752 12753 @Override 12754 public void deletePackage(final String packageName, 12755 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 12756 mContext.enforceCallingOrSelfPermission( 12757 android.Manifest.permission.DELETE_PACKAGES, null); 12758 Preconditions.checkNotNull(packageName); 12759 Preconditions.checkNotNull(observer); 12760 final int uid = Binder.getCallingUid(); 12761 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 12762 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 12763 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 12764 mContext.enforceCallingPermission( 12765 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 12766 "deletePackage for user " + userId); 12767 } 12768 12769 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 12770 try { 12771 observer.onPackageDeleted(packageName, 12772 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 12773 } catch (RemoteException re) { 12774 } 12775 return; 12776 } 12777 12778 for (int currentUserId : users) { 12779 if (getBlockUninstallForUser(packageName, currentUserId)) { 12780 try { 12781 observer.onPackageDeleted(packageName, 12782 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 12783 } catch (RemoteException re) { 12784 } 12785 return; 12786 } 12787 } 12788 12789 if (DEBUG_REMOVE) { 12790 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 12791 } 12792 // Queue up an async operation since the package deletion may take a little while. 12793 mHandler.post(new Runnable() { 12794 public void run() { 12795 mHandler.removeCallbacks(this); 12796 final int returnCode = deletePackageX(packageName, userId, flags); 12797 try { 12798 observer.onPackageDeleted(packageName, returnCode, null); 12799 } catch (RemoteException e) { 12800 Log.i(TAG, "Observer no longer exists."); 12801 } //end catch 12802 } //end run 12803 }); 12804 } 12805 12806 private boolean isPackageDeviceAdmin(String packageName, int userId) { 12807 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12808 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12809 try { 12810 if (dpm != null) { 12811 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwner(); 12812 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 12813 : deviceOwnerComponentName.getPackageName(); 12814 // Does the package contains the device owner? 12815 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 12816 // this check is probably not needed, since DO should be registered as a device 12817 // admin on some user too. (Original bug for this: b/17657954) 12818 if (packageName.equals(deviceOwnerPackageName)) { 12819 return true; 12820 } 12821 // Does it contain a device admin for any user? 12822 int[] users; 12823 if (userId == UserHandle.USER_ALL) { 12824 users = sUserManager.getUserIds(); 12825 } else { 12826 users = new int[]{userId}; 12827 } 12828 for (int i = 0; i < users.length; ++i) { 12829 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 12830 return true; 12831 } 12832 } 12833 } 12834 } catch (RemoteException e) { 12835 } 12836 return false; 12837 } 12838 12839 /** 12840 * This method is an internal method that could be get invoked either 12841 * to delete an installed package or to clean up a failed installation. 12842 * After deleting an installed package, a broadcast is sent to notify any 12843 * listeners that the package has been installed. For cleaning up a failed 12844 * installation, the broadcast is not necessary since the package's 12845 * installation wouldn't have sent the initial broadcast either 12846 * The key steps in deleting a package are 12847 * deleting the package information in internal structures like mPackages, 12848 * deleting the packages base directories through installd 12849 * updating mSettings to reflect current status 12850 * persisting settings for later use 12851 * sending a broadcast if necessary 12852 */ 12853 private int deletePackageX(String packageName, int userId, int flags) { 12854 final PackageRemovedInfo info = new PackageRemovedInfo(); 12855 final boolean res; 12856 12857 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 12858 ? UserHandle.ALL : new UserHandle(userId); 12859 12860 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 12861 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 12862 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 12863 } 12864 12865 boolean removedForAllUsers = false; 12866 boolean systemUpdate = false; 12867 12868 // for the uninstall-updates case and restricted profiles, remember the per- 12869 // userhandle installed state 12870 int[] allUsers; 12871 boolean[] perUserInstalled; 12872 synchronized (mPackages) { 12873 PackageSetting ps = mSettings.mPackages.get(packageName); 12874 allUsers = sUserManager.getUserIds(); 12875 perUserInstalled = new boolean[allUsers.length]; 12876 for (int i = 0; i < allUsers.length; i++) { 12877 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12878 } 12879 } 12880 12881 synchronized (mInstallLock) { 12882 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 12883 res = deletePackageLI(packageName, removeForUser, 12884 true, allUsers, perUserInstalled, 12885 flags | REMOVE_CHATTY, info, true); 12886 systemUpdate = info.isRemovedPackageSystemUpdate; 12887 if (res && !systemUpdate && mPackages.get(packageName) == null) { 12888 removedForAllUsers = true; 12889 } 12890 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 12891 + " removedForAllUsers=" + removedForAllUsers); 12892 } 12893 12894 if (res) { 12895 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 12896 12897 // If the removed package was a system update, the old system package 12898 // was re-enabled; we need to broadcast this information 12899 if (systemUpdate) { 12900 Bundle extras = new Bundle(1); 12901 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 12902 ? info.removedAppId : info.uid); 12903 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12904 12905 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 12906 extras, null, null, null); 12907 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 12908 extras, null, null, null); 12909 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 12910 null, packageName, null, null); 12911 } 12912 } 12913 // Force a gc here. 12914 Runtime.getRuntime().gc(); 12915 // Delete the resources here after sending the broadcast to let 12916 // other processes clean up before deleting resources. 12917 if (info.args != null) { 12918 synchronized (mInstallLock) { 12919 info.args.doPostDeleteLI(true); 12920 } 12921 } 12922 12923 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 12924 } 12925 12926 class PackageRemovedInfo { 12927 String removedPackage; 12928 int uid = -1; 12929 int removedAppId = -1; 12930 int[] removedUsers = null; 12931 boolean isRemovedPackageSystemUpdate = false; 12932 // Clean up resources deleted packages. 12933 InstallArgs args = null; 12934 12935 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 12936 Bundle extras = new Bundle(1); 12937 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 12938 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 12939 if (replacing) { 12940 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12941 } 12942 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 12943 if (removedPackage != null) { 12944 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 12945 extras, null, null, removedUsers); 12946 if (fullRemove && !replacing) { 12947 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 12948 extras, null, null, removedUsers); 12949 } 12950 } 12951 if (removedAppId >= 0) { 12952 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 12953 removedUsers); 12954 } 12955 } 12956 } 12957 12958 /* 12959 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 12960 * flag is not set, the data directory is removed as well. 12961 * make sure this flag is set for partially installed apps. If not its meaningless to 12962 * delete a partially installed application. 12963 */ 12964 private void removePackageDataLI(PackageSetting ps, 12965 int[] allUserHandles, boolean[] perUserInstalled, 12966 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 12967 String packageName = ps.name; 12968 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 12969 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 12970 // Retrieve object to delete permissions for shared user later on 12971 final PackageSetting deletedPs; 12972 // reader 12973 synchronized (mPackages) { 12974 deletedPs = mSettings.mPackages.get(packageName); 12975 if (outInfo != null) { 12976 outInfo.removedPackage = packageName; 12977 outInfo.removedUsers = deletedPs != null 12978 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 12979 : null; 12980 } 12981 } 12982 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12983 removeDataDirsLI(ps.volumeUuid, packageName); 12984 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 12985 } 12986 // writer 12987 synchronized (mPackages) { 12988 if (deletedPs != null) { 12989 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12990 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 12991 clearDefaultBrowserIfNeeded(packageName); 12992 if (outInfo != null) { 12993 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 12994 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 12995 } 12996 updatePermissionsLPw(deletedPs.name, null, 0); 12997 if (deletedPs.sharedUser != null) { 12998 // Remove permissions associated with package. Since runtime 12999 // permissions are per user we have to kill the removed package 13000 // or packages running under the shared user of the removed 13001 // package if revoking the permissions requested only by the removed 13002 // package is successful and this causes a change in gids. 13003 for (int userId : UserManagerService.getInstance().getUserIds()) { 13004 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 13005 userId); 13006 if (userIdToKill == UserHandle.USER_ALL 13007 || userIdToKill >= UserHandle.USER_SYSTEM) { 13008 // If gids changed for this user, kill all affected packages. 13009 mHandler.post(new Runnable() { 13010 @Override 13011 public void run() { 13012 // This has to happen with no lock held. 13013 killApplication(deletedPs.name, deletedPs.appId, 13014 KILL_APP_REASON_GIDS_CHANGED); 13015 } 13016 }); 13017 break; 13018 } 13019 } 13020 } 13021 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 13022 } 13023 // make sure to preserve per-user disabled state if this removal was just 13024 // a downgrade of a system app to the factory package 13025 if (allUserHandles != null && perUserInstalled != null) { 13026 if (DEBUG_REMOVE) { 13027 Slog.d(TAG, "Propagating install state across downgrade"); 13028 } 13029 for (int i = 0; i < allUserHandles.length; i++) { 13030 if (DEBUG_REMOVE) { 13031 Slog.d(TAG, " user " + allUserHandles[i] 13032 + " => " + perUserInstalled[i]); 13033 } 13034 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13035 } 13036 } 13037 } 13038 // can downgrade to reader 13039 if (writeSettings) { 13040 // Save settings now 13041 mSettings.writeLPr(); 13042 } 13043 } 13044 if (outInfo != null) { 13045 // A user ID was deleted here. Go through all users and remove it 13046 // from KeyStore. 13047 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 13048 } 13049 } 13050 13051 static boolean locationIsPrivileged(File path) { 13052 try { 13053 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 13054 .getCanonicalPath(); 13055 return path.getCanonicalPath().startsWith(privilegedAppDir); 13056 } catch (IOException e) { 13057 Slog.e(TAG, "Unable to access code path " + path); 13058 } 13059 return false; 13060 } 13061 13062 /* 13063 * Tries to delete system package. 13064 */ 13065 private boolean deleteSystemPackageLI(PackageSetting newPs, 13066 int[] allUserHandles, boolean[] perUserInstalled, 13067 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 13068 final boolean applyUserRestrictions 13069 = (allUserHandles != null) && (perUserInstalled != null); 13070 PackageSetting disabledPs = null; 13071 // Confirm if the system package has been updated 13072 // An updated system app can be deleted. This will also have to restore 13073 // the system pkg from system partition 13074 // reader 13075 synchronized (mPackages) { 13076 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 13077 } 13078 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 13079 + " disabledPs=" + disabledPs); 13080 if (disabledPs == null) { 13081 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 13082 return false; 13083 } else if (DEBUG_REMOVE) { 13084 Slog.d(TAG, "Deleting system pkg from data partition"); 13085 } 13086 if (DEBUG_REMOVE) { 13087 if (applyUserRestrictions) { 13088 Slog.d(TAG, "Remembering install states:"); 13089 for (int i = 0; i < allUserHandles.length; i++) { 13090 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 13091 } 13092 } 13093 } 13094 // Delete the updated package 13095 outInfo.isRemovedPackageSystemUpdate = true; 13096 if (disabledPs.versionCode < newPs.versionCode) { 13097 // Delete data for downgrades 13098 flags &= ~PackageManager.DELETE_KEEP_DATA; 13099 } else { 13100 // Preserve data by setting flag 13101 flags |= PackageManager.DELETE_KEEP_DATA; 13102 } 13103 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13104 allUserHandles, perUserInstalled, outInfo, writeSettings); 13105 if (!ret) { 13106 return false; 13107 } 13108 // writer 13109 synchronized (mPackages) { 13110 // Reinstate the old system package 13111 mSettings.enableSystemPackageLPw(newPs.name); 13112 // Remove any native libraries from the upgraded package. 13113 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13114 } 13115 // Install the system package 13116 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13117 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13118 if (locationIsPrivileged(disabledPs.codePath)) { 13119 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13120 } 13121 13122 final PackageParser.Package newPkg; 13123 try { 13124 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13125 } catch (PackageManagerException e) { 13126 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 13127 return false; 13128 } 13129 13130 // writer 13131 synchronized (mPackages) { 13132 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13133 13134 // Propagate the permissions state as we do not want to drop on the floor 13135 // runtime permissions. The update permissions method below will take 13136 // care of removing obsolete permissions and grant install permissions. 13137 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13138 updatePermissionsLPw(newPkg.packageName, newPkg, 13139 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13140 13141 if (applyUserRestrictions) { 13142 if (DEBUG_REMOVE) { 13143 Slog.d(TAG, "Propagating install state across reinstall"); 13144 } 13145 for (int i = 0; i < allUserHandles.length; i++) { 13146 if (DEBUG_REMOVE) { 13147 Slog.d(TAG, " user " + allUserHandles[i] 13148 + " => " + perUserInstalled[i]); 13149 } 13150 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13151 13152 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13153 } 13154 // Regardless of writeSettings we need to ensure that this restriction 13155 // state propagation is persisted 13156 mSettings.writeAllUsersPackageRestrictionsLPr(); 13157 } 13158 // can downgrade to reader here 13159 if (writeSettings) { 13160 mSettings.writeLPr(); 13161 } 13162 } 13163 return true; 13164 } 13165 13166 private boolean deleteInstalledPackageLI(PackageSetting ps, 13167 boolean deleteCodeAndResources, int flags, 13168 int[] allUserHandles, boolean[] perUserInstalled, 13169 PackageRemovedInfo outInfo, boolean writeSettings) { 13170 if (outInfo != null) { 13171 outInfo.uid = ps.appId; 13172 } 13173 13174 // Delete package data from internal structures and also remove data if flag is set 13175 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13176 13177 // Delete application code and resources 13178 if (deleteCodeAndResources && (outInfo != null)) { 13179 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13180 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13181 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13182 } 13183 return true; 13184 } 13185 13186 @Override 13187 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13188 int userId) { 13189 mContext.enforceCallingOrSelfPermission( 13190 android.Manifest.permission.DELETE_PACKAGES, null); 13191 synchronized (mPackages) { 13192 PackageSetting ps = mSettings.mPackages.get(packageName); 13193 if (ps == null) { 13194 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13195 return false; 13196 } 13197 if (!ps.getInstalled(userId)) { 13198 // Can't block uninstall for an app that is not installed or enabled. 13199 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13200 return false; 13201 } 13202 ps.setBlockUninstall(blockUninstall, userId); 13203 mSettings.writePackageRestrictionsLPr(userId); 13204 } 13205 return true; 13206 } 13207 13208 @Override 13209 public boolean getBlockUninstallForUser(String packageName, int userId) { 13210 synchronized (mPackages) { 13211 PackageSetting ps = mSettings.mPackages.get(packageName); 13212 if (ps == null) { 13213 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13214 return false; 13215 } 13216 return ps.getBlockUninstall(userId); 13217 } 13218 } 13219 13220 /* 13221 * This method handles package deletion in general 13222 */ 13223 private boolean deletePackageLI(String packageName, UserHandle user, 13224 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13225 int flags, PackageRemovedInfo outInfo, 13226 boolean writeSettings) { 13227 if (packageName == null) { 13228 Slog.w(TAG, "Attempt to delete null packageName."); 13229 return false; 13230 } 13231 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13232 PackageSetting ps; 13233 boolean dataOnly = false; 13234 int removeUser = -1; 13235 int appId = -1; 13236 synchronized (mPackages) { 13237 ps = mSettings.mPackages.get(packageName); 13238 if (ps == null) { 13239 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13240 return false; 13241 } 13242 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13243 && user.getIdentifier() != UserHandle.USER_ALL) { 13244 // The caller is asking that the package only be deleted for a single 13245 // user. To do this, we just mark its uninstalled state and delete 13246 // its data. If this is a system app, we only allow this to happen if 13247 // they have set the special DELETE_SYSTEM_APP which requests different 13248 // semantics than normal for uninstalling system apps. 13249 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13250 final int userId = user.getIdentifier(); 13251 ps.setUserState(userId, 13252 COMPONENT_ENABLED_STATE_DEFAULT, 13253 false, //installed 13254 true, //stopped 13255 true, //notLaunched 13256 false, //hidden 13257 null, null, null, 13258 false, // blockUninstall 13259 ps.readUserState(userId).domainVerificationStatus, 0); 13260 if (!isSystemApp(ps)) { 13261 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 13262 // Other user still have this package installed, so all 13263 // we need to do is clear this user's data and save that 13264 // it is uninstalled. 13265 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13266 removeUser = user.getIdentifier(); 13267 appId = ps.appId; 13268 scheduleWritePackageRestrictionsLocked(removeUser); 13269 } else { 13270 // We need to set it back to 'installed' so the uninstall 13271 // broadcasts will be sent correctly. 13272 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13273 ps.setInstalled(true, user.getIdentifier()); 13274 } 13275 } else { 13276 // This is a system app, so we assume that the 13277 // other users still have this package installed, so all 13278 // we need to do is clear this user's data and save that 13279 // it is uninstalled. 13280 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13281 removeUser = user.getIdentifier(); 13282 appId = ps.appId; 13283 scheduleWritePackageRestrictionsLocked(removeUser); 13284 } 13285 } 13286 } 13287 13288 if (removeUser >= 0) { 13289 // From above, we determined that we are deleting this only 13290 // for a single user. Continue the work here. 13291 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13292 if (outInfo != null) { 13293 outInfo.removedPackage = packageName; 13294 outInfo.removedAppId = appId; 13295 outInfo.removedUsers = new int[] {removeUser}; 13296 } 13297 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13298 removeKeystoreDataIfNeeded(removeUser, appId); 13299 schedulePackageCleaning(packageName, removeUser, false); 13300 synchronized (mPackages) { 13301 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13302 scheduleWritePackageRestrictionsLocked(removeUser); 13303 } 13304 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13305 } 13306 return true; 13307 } 13308 13309 if (dataOnly) { 13310 // Delete application data first 13311 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13312 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13313 return true; 13314 } 13315 13316 boolean ret = false; 13317 if (isSystemApp(ps)) { 13318 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13319 // When an updated system application is deleted we delete the existing resources as well and 13320 // fall back to existing code in system partition 13321 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13322 flags, outInfo, writeSettings); 13323 } else { 13324 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13325 // Kill application pre-emptively especially for apps on sd. 13326 killApplication(packageName, ps.appId, "uninstall pkg"); 13327 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13328 allUserHandles, perUserInstalled, 13329 outInfo, writeSettings); 13330 } 13331 13332 return ret; 13333 } 13334 13335 private final class ClearStorageConnection implements ServiceConnection { 13336 IMediaContainerService mContainerService; 13337 13338 @Override 13339 public void onServiceConnected(ComponentName name, IBinder service) { 13340 synchronized (this) { 13341 mContainerService = IMediaContainerService.Stub.asInterface(service); 13342 notifyAll(); 13343 } 13344 } 13345 13346 @Override 13347 public void onServiceDisconnected(ComponentName name) { 13348 } 13349 } 13350 13351 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13352 final boolean mounted; 13353 if (Environment.isExternalStorageEmulated()) { 13354 mounted = true; 13355 } else { 13356 final String status = Environment.getExternalStorageState(); 13357 13358 mounted = status.equals(Environment.MEDIA_MOUNTED) 13359 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13360 } 13361 13362 if (!mounted) { 13363 return; 13364 } 13365 13366 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13367 int[] users; 13368 if (userId == UserHandle.USER_ALL) { 13369 users = sUserManager.getUserIds(); 13370 } else { 13371 users = new int[] { userId }; 13372 } 13373 final ClearStorageConnection conn = new ClearStorageConnection(); 13374 if (mContext.bindServiceAsUser( 13375 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 13376 try { 13377 for (int curUser : users) { 13378 long timeout = SystemClock.uptimeMillis() + 5000; 13379 synchronized (conn) { 13380 long now = SystemClock.uptimeMillis(); 13381 while (conn.mContainerService == null && now < timeout) { 13382 try { 13383 conn.wait(timeout - now); 13384 } catch (InterruptedException e) { 13385 } 13386 } 13387 } 13388 if (conn.mContainerService == null) { 13389 return; 13390 } 13391 13392 final UserEnvironment userEnv = new UserEnvironment(curUser); 13393 clearDirectory(conn.mContainerService, 13394 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13395 if (allData) { 13396 clearDirectory(conn.mContainerService, 13397 userEnv.buildExternalStorageAppDataDirs(packageName)); 13398 clearDirectory(conn.mContainerService, 13399 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13400 } 13401 } 13402 } finally { 13403 mContext.unbindService(conn); 13404 } 13405 } 13406 } 13407 13408 @Override 13409 public void clearApplicationUserData(final String packageName, 13410 final IPackageDataObserver observer, final int userId) { 13411 mContext.enforceCallingOrSelfPermission( 13412 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13413 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13414 // Queue up an async operation since the package deletion may take a little while. 13415 mHandler.post(new Runnable() { 13416 public void run() { 13417 mHandler.removeCallbacks(this); 13418 final boolean succeeded; 13419 synchronized (mInstallLock) { 13420 succeeded = clearApplicationUserDataLI(packageName, userId); 13421 } 13422 clearExternalStorageDataSync(packageName, userId, true); 13423 if (succeeded) { 13424 // invoke DeviceStorageMonitor's update method to clear any notifications 13425 DeviceStorageMonitorInternal 13426 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13427 if (dsm != null) { 13428 dsm.checkMemory(); 13429 } 13430 } 13431 if(observer != null) { 13432 try { 13433 observer.onRemoveCompleted(packageName, succeeded); 13434 } catch (RemoteException e) { 13435 Log.i(TAG, "Observer no longer exists."); 13436 } 13437 } //end if observer 13438 } //end run 13439 }); 13440 } 13441 13442 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13443 if (packageName == null) { 13444 Slog.w(TAG, "Attempt to delete null packageName."); 13445 return false; 13446 } 13447 13448 // Try finding details about the requested package 13449 PackageParser.Package pkg; 13450 synchronized (mPackages) { 13451 pkg = mPackages.get(packageName); 13452 if (pkg == null) { 13453 final PackageSetting ps = mSettings.mPackages.get(packageName); 13454 if (ps != null) { 13455 pkg = ps.pkg; 13456 } 13457 } 13458 13459 if (pkg == null) { 13460 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13461 return false; 13462 } 13463 13464 PackageSetting ps = (PackageSetting) pkg.mExtras; 13465 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13466 } 13467 13468 // Always delete data directories for package, even if we found no other 13469 // record of app. This helps users recover from UID mismatches without 13470 // resorting to a full data wipe. 13471 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 13472 if (retCode < 0) { 13473 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 13474 return false; 13475 } 13476 13477 final int appId = pkg.applicationInfo.uid; 13478 removeKeystoreDataIfNeeded(userId, appId); 13479 13480 // Create a native library symlink only if we have native libraries 13481 // and if the native libraries are 32 bit libraries. We do not provide 13482 // this symlink for 64 bit libraries. 13483 if (pkg.applicationInfo.primaryCpuAbi != null && 13484 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13485 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13486 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13487 nativeLibPath, userId) < 0) { 13488 Slog.w(TAG, "Failed linking native library dir"); 13489 return false; 13490 } 13491 } 13492 13493 return true; 13494 } 13495 13496 /** 13497 * Reverts user permission state changes (permissions and flags) in 13498 * all packages for a given user. 13499 * 13500 * @param userId The device user for which to do a reset. 13501 */ 13502 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 13503 final int packageCount = mPackages.size(); 13504 for (int i = 0; i < packageCount; i++) { 13505 PackageParser.Package pkg = mPackages.valueAt(i); 13506 PackageSetting ps = (PackageSetting) pkg.mExtras; 13507 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13508 } 13509 } 13510 13511 /** 13512 * Reverts user permission state changes (permissions and flags). 13513 * 13514 * @param ps The package for which to reset. 13515 * @param userId The device user for which to do a reset. 13516 */ 13517 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 13518 final PackageSetting ps, final int userId) { 13519 if (ps.pkg == null) { 13520 return; 13521 } 13522 13523 final int userSettableFlags = FLAG_PERMISSION_USER_SET 13524 | FLAG_PERMISSION_USER_FIXED 13525 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 13526 13527 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 13528 | FLAG_PERMISSION_POLICY_FIXED; 13529 13530 boolean writeInstallPermissions = false; 13531 boolean writeRuntimePermissions = false; 13532 13533 final int permissionCount = ps.pkg.requestedPermissions.size(); 13534 for (int i = 0; i < permissionCount; i++) { 13535 String permission = ps.pkg.requestedPermissions.get(i); 13536 13537 BasePermission bp = mSettings.mPermissions.get(permission); 13538 if (bp == null) { 13539 continue; 13540 } 13541 13542 // If shared user we just reset the state to which only this app contributed. 13543 if (ps.sharedUser != null) { 13544 boolean used = false; 13545 final int packageCount = ps.sharedUser.packages.size(); 13546 for (int j = 0; j < packageCount; j++) { 13547 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 13548 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 13549 && pkg.pkg.requestedPermissions.contains(permission)) { 13550 used = true; 13551 break; 13552 } 13553 } 13554 if (used) { 13555 continue; 13556 } 13557 } 13558 13559 PermissionsState permissionsState = ps.getPermissionsState(); 13560 13561 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 13562 13563 // Always clear the user settable flags. 13564 final boolean hasInstallState = permissionsState.getInstallPermissionState( 13565 bp.name) != null; 13566 if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) { 13567 if (hasInstallState) { 13568 writeInstallPermissions = true; 13569 } else { 13570 writeRuntimePermissions = true; 13571 } 13572 } 13573 13574 // Below is only runtime permission handling. 13575 if (!bp.isRuntime()) { 13576 continue; 13577 } 13578 13579 // Never clobber system or policy. 13580 if ((oldFlags & policyOrSystemFlags) != 0) { 13581 continue; 13582 } 13583 13584 // If this permission was granted by default, make sure it is. 13585 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 13586 if (permissionsState.grantRuntimePermission(bp, userId) 13587 != PERMISSION_OPERATION_FAILURE) { 13588 writeRuntimePermissions = true; 13589 } 13590 } else { 13591 // Otherwise, reset the permission. 13592 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 13593 switch (revokeResult) { 13594 case PERMISSION_OPERATION_SUCCESS: { 13595 writeRuntimePermissions = true; 13596 } break; 13597 13598 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 13599 writeRuntimePermissions = true; 13600 final int appId = ps.appId; 13601 mHandler.post(new Runnable() { 13602 @Override 13603 public void run() { 13604 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 13605 } 13606 }); 13607 } break; 13608 } 13609 } 13610 } 13611 13612 // Synchronously write as we are taking permissions away. 13613 if (writeRuntimePermissions) { 13614 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 13615 } 13616 13617 // Synchronously write as we are taking permissions away. 13618 if (writeInstallPermissions) { 13619 mSettings.writeLPr(); 13620 } 13621 } 13622 13623 /** 13624 * Remove entries from the keystore daemon. Will only remove it if the 13625 * {@code appId} is valid. 13626 */ 13627 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 13628 if (appId < 0) { 13629 return; 13630 } 13631 13632 final KeyStore keyStore = KeyStore.getInstance(); 13633 if (keyStore != null) { 13634 if (userId == UserHandle.USER_ALL) { 13635 for (final int individual : sUserManager.getUserIds()) { 13636 keyStore.clearUid(UserHandle.getUid(individual, appId)); 13637 } 13638 } else { 13639 keyStore.clearUid(UserHandle.getUid(userId, appId)); 13640 } 13641 } else { 13642 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 13643 } 13644 } 13645 13646 @Override 13647 public void deleteApplicationCacheFiles(final String packageName, 13648 final IPackageDataObserver observer) { 13649 mContext.enforceCallingOrSelfPermission( 13650 android.Manifest.permission.DELETE_CACHE_FILES, null); 13651 // Queue up an async operation since the package deletion may take a little while. 13652 final int userId = UserHandle.getCallingUserId(); 13653 mHandler.post(new Runnable() { 13654 public void run() { 13655 mHandler.removeCallbacks(this); 13656 final boolean succeded; 13657 synchronized (mInstallLock) { 13658 succeded = deleteApplicationCacheFilesLI(packageName, userId); 13659 } 13660 clearExternalStorageDataSync(packageName, userId, false); 13661 if (observer != null) { 13662 try { 13663 observer.onRemoveCompleted(packageName, succeded); 13664 } catch (RemoteException e) { 13665 Log.i(TAG, "Observer no longer exists."); 13666 } 13667 } //end if observer 13668 } //end run 13669 }); 13670 } 13671 13672 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 13673 if (packageName == null) { 13674 Slog.w(TAG, "Attempt to delete null packageName."); 13675 return false; 13676 } 13677 PackageParser.Package p; 13678 synchronized (mPackages) { 13679 p = mPackages.get(packageName); 13680 } 13681 if (p == null) { 13682 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13683 return false; 13684 } 13685 final ApplicationInfo applicationInfo = p.applicationInfo; 13686 if (applicationInfo == null) { 13687 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13688 return false; 13689 } 13690 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 13691 if (retCode < 0) { 13692 Slog.w(TAG, "Couldn't remove cache files for package: " 13693 + packageName + " u" + userId); 13694 return false; 13695 } 13696 return true; 13697 } 13698 13699 @Override 13700 public void getPackageSizeInfo(final String packageName, int userHandle, 13701 final IPackageStatsObserver observer) { 13702 mContext.enforceCallingOrSelfPermission( 13703 android.Manifest.permission.GET_PACKAGE_SIZE, null); 13704 if (packageName == null) { 13705 throw new IllegalArgumentException("Attempt to get size of null packageName"); 13706 } 13707 13708 PackageStats stats = new PackageStats(packageName, userHandle); 13709 13710 /* 13711 * Queue up an async operation since the package measurement may take a 13712 * little while. 13713 */ 13714 Message msg = mHandler.obtainMessage(INIT_COPY); 13715 msg.obj = new MeasureParams(stats, observer); 13716 mHandler.sendMessage(msg); 13717 } 13718 13719 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 13720 PackageStats pStats) { 13721 if (packageName == null) { 13722 Slog.w(TAG, "Attempt to get size of null packageName."); 13723 return false; 13724 } 13725 PackageParser.Package p; 13726 boolean dataOnly = false; 13727 String libDirRoot = null; 13728 String asecPath = null; 13729 PackageSetting ps = null; 13730 synchronized (mPackages) { 13731 p = mPackages.get(packageName); 13732 ps = mSettings.mPackages.get(packageName); 13733 if(p == null) { 13734 dataOnly = true; 13735 if((ps == null) || (ps.pkg == null)) { 13736 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13737 return false; 13738 } 13739 p = ps.pkg; 13740 } 13741 if (ps != null) { 13742 libDirRoot = ps.legacyNativeLibraryPathString; 13743 } 13744 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 13745 final long token = Binder.clearCallingIdentity(); 13746 try { 13747 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 13748 if (secureContainerId != null) { 13749 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 13750 } 13751 } finally { 13752 Binder.restoreCallingIdentity(token); 13753 } 13754 } 13755 } 13756 String publicSrcDir = null; 13757 if(!dataOnly) { 13758 final ApplicationInfo applicationInfo = p.applicationInfo; 13759 if (applicationInfo == null) { 13760 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13761 return false; 13762 } 13763 if (p.isForwardLocked()) { 13764 publicSrcDir = applicationInfo.getBaseResourcePath(); 13765 } 13766 } 13767 // TODO: extend to measure size of split APKs 13768 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 13769 // not just the first level. 13770 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 13771 // just the primary. 13772 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 13773 13774 String apkPath; 13775 File packageDir = new File(p.codePath); 13776 13777 if (packageDir.isDirectory() && p.canHaveOatDir()) { 13778 apkPath = packageDir.getAbsolutePath(); 13779 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 13780 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 13781 libDirRoot = null; 13782 } 13783 } else { 13784 apkPath = p.baseCodePath; 13785 } 13786 13787 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, apkPath, 13788 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 13789 if (res < 0) { 13790 return false; 13791 } 13792 13793 // Fix-up for forward-locked applications in ASEC containers. 13794 if (!isExternal(p)) { 13795 pStats.codeSize += pStats.externalCodeSize; 13796 pStats.externalCodeSize = 0L; 13797 } 13798 13799 return true; 13800 } 13801 13802 13803 @Override 13804 public void addPackageToPreferred(String packageName) { 13805 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 13806 } 13807 13808 @Override 13809 public void removePackageFromPreferred(String packageName) { 13810 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 13811 } 13812 13813 @Override 13814 public List<PackageInfo> getPreferredPackages(int flags) { 13815 return new ArrayList<PackageInfo>(); 13816 } 13817 13818 private int getUidTargetSdkVersionLockedLPr(int uid) { 13819 Object obj = mSettings.getUserIdLPr(uid); 13820 if (obj instanceof SharedUserSetting) { 13821 final SharedUserSetting sus = (SharedUserSetting) obj; 13822 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 13823 final Iterator<PackageSetting> it = sus.packages.iterator(); 13824 while (it.hasNext()) { 13825 final PackageSetting ps = it.next(); 13826 if (ps.pkg != null) { 13827 int v = ps.pkg.applicationInfo.targetSdkVersion; 13828 if (v < vers) vers = v; 13829 } 13830 } 13831 return vers; 13832 } else if (obj instanceof PackageSetting) { 13833 final PackageSetting ps = (PackageSetting) obj; 13834 if (ps.pkg != null) { 13835 return ps.pkg.applicationInfo.targetSdkVersion; 13836 } 13837 } 13838 return Build.VERSION_CODES.CUR_DEVELOPMENT; 13839 } 13840 13841 @Override 13842 public void addPreferredActivity(IntentFilter filter, int match, 13843 ComponentName[] set, ComponentName activity, int userId) { 13844 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13845 "Adding preferred"); 13846 } 13847 13848 private void addPreferredActivityInternal(IntentFilter filter, int match, 13849 ComponentName[] set, ComponentName activity, boolean always, int userId, 13850 String opname) { 13851 // writer 13852 int callingUid = Binder.getCallingUid(); 13853 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 13854 if (filter.countActions() == 0) { 13855 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13856 return; 13857 } 13858 synchronized (mPackages) { 13859 if (mContext.checkCallingOrSelfPermission( 13860 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13861 != PackageManager.PERMISSION_GRANTED) { 13862 if (getUidTargetSdkVersionLockedLPr(callingUid) 13863 < Build.VERSION_CODES.FROYO) { 13864 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 13865 + callingUid); 13866 return; 13867 } 13868 mContext.enforceCallingOrSelfPermission( 13869 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13870 } 13871 13872 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 13873 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 13874 + userId + ":"); 13875 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13876 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 13877 scheduleWritePackageRestrictionsLocked(userId); 13878 } 13879 } 13880 13881 @Override 13882 public void replacePreferredActivity(IntentFilter filter, int match, 13883 ComponentName[] set, ComponentName activity, int userId) { 13884 if (filter.countActions() != 1) { 13885 throw new IllegalArgumentException( 13886 "replacePreferredActivity expects filter to have only 1 action."); 13887 } 13888 if (filter.countDataAuthorities() != 0 13889 || filter.countDataPaths() != 0 13890 || filter.countDataSchemes() > 1 13891 || filter.countDataTypes() != 0) { 13892 throw new IllegalArgumentException( 13893 "replacePreferredActivity expects filter to have no data authorities, " + 13894 "paths, or types; and at most one scheme."); 13895 } 13896 13897 final int callingUid = Binder.getCallingUid(); 13898 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 13899 synchronized (mPackages) { 13900 if (mContext.checkCallingOrSelfPermission( 13901 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13902 != PackageManager.PERMISSION_GRANTED) { 13903 if (getUidTargetSdkVersionLockedLPr(callingUid) 13904 < Build.VERSION_CODES.FROYO) { 13905 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 13906 + Binder.getCallingUid()); 13907 return; 13908 } 13909 mContext.enforceCallingOrSelfPermission( 13910 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13911 } 13912 13913 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13914 if (pir != null) { 13915 // Get all of the existing entries that exactly match this filter. 13916 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 13917 if (existing != null && existing.size() == 1) { 13918 PreferredActivity cur = existing.get(0); 13919 if (DEBUG_PREFERRED) { 13920 Slog.i(TAG, "Checking replace of preferred:"); 13921 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13922 if (!cur.mPref.mAlways) { 13923 Slog.i(TAG, " -- CUR; not mAlways!"); 13924 } else { 13925 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 13926 Slog.i(TAG, " -- CUR: mSet=" 13927 + Arrays.toString(cur.mPref.mSetComponents)); 13928 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 13929 Slog.i(TAG, " -- NEW: mMatch=" 13930 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 13931 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 13932 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 13933 } 13934 } 13935 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 13936 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 13937 && cur.mPref.sameSet(set)) { 13938 // Setting the preferred activity to what it happens to be already 13939 if (DEBUG_PREFERRED) { 13940 Slog.i(TAG, "Replacing with same preferred activity " 13941 + cur.mPref.mShortComponent + " for user " 13942 + userId + ":"); 13943 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13944 } 13945 return; 13946 } 13947 } 13948 13949 if (existing != null) { 13950 if (DEBUG_PREFERRED) { 13951 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 13952 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13953 } 13954 for (int i = 0; i < existing.size(); i++) { 13955 PreferredActivity pa = existing.get(i); 13956 if (DEBUG_PREFERRED) { 13957 Slog.i(TAG, "Removing existing preferred activity " 13958 + pa.mPref.mComponent + ":"); 13959 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 13960 } 13961 pir.removeFilter(pa); 13962 } 13963 } 13964 } 13965 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13966 "Replacing preferred"); 13967 } 13968 } 13969 13970 @Override 13971 public void clearPackagePreferredActivities(String packageName) { 13972 final int uid = Binder.getCallingUid(); 13973 // writer 13974 synchronized (mPackages) { 13975 PackageParser.Package pkg = mPackages.get(packageName); 13976 if (pkg == null || pkg.applicationInfo.uid != uid) { 13977 if (mContext.checkCallingOrSelfPermission( 13978 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13979 != PackageManager.PERMISSION_GRANTED) { 13980 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 13981 < Build.VERSION_CODES.FROYO) { 13982 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 13983 + Binder.getCallingUid()); 13984 return; 13985 } 13986 mContext.enforceCallingOrSelfPermission( 13987 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13988 } 13989 } 13990 13991 int user = UserHandle.getCallingUserId(); 13992 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 13993 scheduleWritePackageRestrictionsLocked(user); 13994 } 13995 } 13996 } 13997 13998 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13999 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 14000 ArrayList<PreferredActivity> removed = null; 14001 boolean changed = false; 14002 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14003 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 14004 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14005 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 14006 continue; 14007 } 14008 Iterator<PreferredActivity> it = pir.filterIterator(); 14009 while (it.hasNext()) { 14010 PreferredActivity pa = it.next(); 14011 // Mark entry for removal only if it matches the package name 14012 // and the entry is of type "always". 14013 if (packageName == null || 14014 (pa.mPref.mComponent.getPackageName().equals(packageName) 14015 && pa.mPref.mAlways)) { 14016 if (removed == null) { 14017 removed = new ArrayList<PreferredActivity>(); 14018 } 14019 removed.add(pa); 14020 } 14021 } 14022 if (removed != null) { 14023 for (int j=0; j<removed.size(); j++) { 14024 PreferredActivity pa = removed.get(j); 14025 pir.removeFilter(pa); 14026 } 14027 changed = true; 14028 } 14029 } 14030 return changed; 14031 } 14032 14033 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14034 private void clearIntentFilterVerificationsLPw(int userId) { 14035 final int packageCount = mPackages.size(); 14036 for (int i = 0; i < packageCount; i++) { 14037 PackageParser.Package pkg = mPackages.valueAt(i); 14038 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 14039 } 14040 } 14041 14042 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14043 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 14044 if (userId == UserHandle.USER_ALL) { 14045 if (mSettings.removeIntentFilterVerificationLPw(packageName, 14046 sUserManager.getUserIds())) { 14047 for (int oneUserId : sUserManager.getUserIds()) { 14048 scheduleWritePackageRestrictionsLocked(oneUserId); 14049 } 14050 } 14051 } else { 14052 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 14053 scheduleWritePackageRestrictionsLocked(userId); 14054 } 14055 } 14056 } 14057 14058 void clearDefaultBrowserIfNeeded(String packageName) { 14059 for (int oneUserId : sUserManager.getUserIds()) { 14060 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 14061 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 14062 if (packageName.equals(defaultBrowserPackageName)) { 14063 setDefaultBrowserPackageName(null, oneUserId); 14064 } 14065 } 14066 } 14067 14068 @Override 14069 public void resetApplicationPreferences(int userId) { 14070 mContext.enforceCallingOrSelfPermission( 14071 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14072 // writer 14073 synchronized (mPackages) { 14074 final long identity = Binder.clearCallingIdentity(); 14075 try { 14076 clearPackagePreferredActivitiesLPw(null, userId); 14077 mSettings.applyDefaultPreferredAppsLPw(this, userId); 14078 // TODO: We have to reset the default SMS and Phone. This requires 14079 // significant refactoring to keep all default apps in the package 14080 // manager (cleaner but more work) or have the services provide 14081 // callbacks to the package manager to request a default app reset. 14082 applyFactoryDefaultBrowserLPw(userId); 14083 clearIntentFilterVerificationsLPw(userId); 14084 primeDomainVerificationsLPw(userId); 14085 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 14086 scheduleWritePackageRestrictionsLocked(userId); 14087 } finally { 14088 Binder.restoreCallingIdentity(identity); 14089 } 14090 } 14091 } 14092 14093 @Override 14094 public int getPreferredActivities(List<IntentFilter> outFilters, 14095 List<ComponentName> outActivities, String packageName) { 14096 14097 int num = 0; 14098 final int userId = UserHandle.getCallingUserId(); 14099 // reader 14100 synchronized (mPackages) { 14101 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14102 if (pir != null) { 14103 final Iterator<PreferredActivity> it = pir.filterIterator(); 14104 while (it.hasNext()) { 14105 final PreferredActivity pa = it.next(); 14106 if (packageName == null 14107 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14108 && pa.mPref.mAlways)) { 14109 if (outFilters != null) { 14110 outFilters.add(new IntentFilter(pa)); 14111 } 14112 if (outActivities != null) { 14113 outActivities.add(pa.mPref.mComponent); 14114 } 14115 } 14116 } 14117 } 14118 } 14119 14120 return num; 14121 } 14122 14123 @Override 14124 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14125 int userId) { 14126 int callingUid = Binder.getCallingUid(); 14127 if (callingUid != Process.SYSTEM_UID) { 14128 throw new SecurityException( 14129 "addPersistentPreferredActivity can only be run by the system"); 14130 } 14131 if (filter.countActions() == 0) { 14132 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14133 return; 14134 } 14135 synchronized (mPackages) { 14136 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14137 " :"); 14138 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14139 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14140 new PersistentPreferredActivity(filter, activity)); 14141 scheduleWritePackageRestrictionsLocked(userId); 14142 } 14143 } 14144 14145 @Override 14146 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14147 int callingUid = Binder.getCallingUid(); 14148 if (callingUid != Process.SYSTEM_UID) { 14149 throw new SecurityException( 14150 "clearPackagePersistentPreferredActivities can only be run by the system"); 14151 } 14152 ArrayList<PersistentPreferredActivity> removed = null; 14153 boolean changed = false; 14154 synchronized (mPackages) { 14155 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14156 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14157 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14158 .valueAt(i); 14159 if (userId != thisUserId) { 14160 continue; 14161 } 14162 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14163 while (it.hasNext()) { 14164 PersistentPreferredActivity ppa = it.next(); 14165 // Mark entry for removal only if it matches the package name. 14166 if (ppa.mComponent.getPackageName().equals(packageName)) { 14167 if (removed == null) { 14168 removed = new ArrayList<PersistentPreferredActivity>(); 14169 } 14170 removed.add(ppa); 14171 } 14172 } 14173 if (removed != null) { 14174 for (int j=0; j<removed.size(); j++) { 14175 PersistentPreferredActivity ppa = removed.get(j); 14176 ppir.removeFilter(ppa); 14177 } 14178 changed = true; 14179 } 14180 } 14181 14182 if (changed) { 14183 scheduleWritePackageRestrictionsLocked(userId); 14184 } 14185 } 14186 } 14187 14188 /** 14189 * Common machinery for picking apart a restored XML blob and passing 14190 * it to a caller-supplied functor to be applied to the running system. 14191 */ 14192 private void restoreFromXml(XmlPullParser parser, int userId, 14193 String expectedStartTag, BlobXmlRestorer functor) 14194 throws IOException, XmlPullParserException { 14195 int type; 14196 while ((type = parser.next()) != XmlPullParser.START_TAG 14197 && type != XmlPullParser.END_DOCUMENT) { 14198 } 14199 if (type != XmlPullParser.START_TAG) { 14200 // oops didn't find a start tag?! 14201 if (DEBUG_BACKUP) { 14202 Slog.e(TAG, "Didn't find start tag during restore"); 14203 } 14204 return; 14205 } 14206 14207 // this is supposed to be TAG_PREFERRED_BACKUP 14208 if (!expectedStartTag.equals(parser.getName())) { 14209 if (DEBUG_BACKUP) { 14210 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14211 } 14212 return; 14213 } 14214 14215 // skip interfering stuff, then we're aligned with the backing implementation 14216 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14217 functor.apply(parser, userId); 14218 } 14219 14220 private interface BlobXmlRestorer { 14221 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14222 } 14223 14224 /** 14225 * Non-Binder method, support for the backup/restore mechanism: write the 14226 * full set of preferred activities in its canonical XML format. Returns the 14227 * XML output as a byte array, or null if there is none. 14228 */ 14229 @Override 14230 public byte[] getPreferredActivityBackup(int userId) { 14231 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14232 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14233 } 14234 14235 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14236 try { 14237 final XmlSerializer serializer = new FastXmlSerializer(); 14238 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14239 serializer.startDocument(null, true); 14240 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14241 14242 synchronized (mPackages) { 14243 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14244 } 14245 14246 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14247 serializer.endDocument(); 14248 serializer.flush(); 14249 } catch (Exception e) { 14250 if (DEBUG_BACKUP) { 14251 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14252 } 14253 return null; 14254 } 14255 14256 return dataStream.toByteArray(); 14257 } 14258 14259 @Override 14260 public void restorePreferredActivities(byte[] backup, int userId) { 14261 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14262 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14263 } 14264 14265 try { 14266 final XmlPullParser parser = Xml.newPullParser(); 14267 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14268 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14269 new BlobXmlRestorer() { 14270 @Override 14271 public void apply(XmlPullParser parser, int userId) 14272 throws XmlPullParserException, IOException { 14273 synchronized (mPackages) { 14274 mSettings.readPreferredActivitiesLPw(parser, userId); 14275 } 14276 } 14277 } ); 14278 } catch (Exception e) { 14279 if (DEBUG_BACKUP) { 14280 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14281 } 14282 } 14283 } 14284 14285 /** 14286 * Non-Binder method, support for the backup/restore mechanism: write the 14287 * default browser (etc) settings in its canonical XML format. Returns the default 14288 * browser XML representation as a byte array, or null if there is none. 14289 */ 14290 @Override 14291 public byte[] getDefaultAppsBackup(int userId) { 14292 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14293 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14294 } 14295 14296 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14297 try { 14298 final XmlSerializer serializer = new FastXmlSerializer(); 14299 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14300 serializer.startDocument(null, true); 14301 serializer.startTag(null, TAG_DEFAULT_APPS); 14302 14303 synchronized (mPackages) { 14304 mSettings.writeDefaultAppsLPr(serializer, userId); 14305 } 14306 14307 serializer.endTag(null, TAG_DEFAULT_APPS); 14308 serializer.endDocument(); 14309 serializer.flush(); 14310 } catch (Exception e) { 14311 if (DEBUG_BACKUP) { 14312 Slog.e(TAG, "Unable to write default apps for backup", e); 14313 } 14314 return null; 14315 } 14316 14317 return dataStream.toByteArray(); 14318 } 14319 14320 @Override 14321 public void restoreDefaultApps(byte[] backup, int userId) { 14322 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14323 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14324 } 14325 14326 try { 14327 final XmlPullParser parser = Xml.newPullParser(); 14328 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14329 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14330 new BlobXmlRestorer() { 14331 @Override 14332 public void apply(XmlPullParser parser, int userId) 14333 throws XmlPullParserException, IOException { 14334 synchronized (mPackages) { 14335 mSettings.readDefaultAppsLPw(parser, userId); 14336 } 14337 } 14338 } ); 14339 } catch (Exception e) { 14340 if (DEBUG_BACKUP) { 14341 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14342 } 14343 } 14344 } 14345 14346 @Override 14347 public byte[] getIntentFilterVerificationBackup(int userId) { 14348 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14349 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14350 } 14351 14352 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14353 try { 14354 final XmlSerializer serializer = new FastXmlSerializer(); 14355 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14356 serializer.startDocument(null, true); 14357 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14358 14359 synchronized (mPackages) { 14360 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14361 } 14362 14363 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14364 serializer.endDocument(); 14365 serializer.flush(); 14366 } catch (Exception e) { 14367 if (DEBUG_BACKUP) { 14368 Slog.e(TAG, "Unable to write default apps for backup", e); 14369 } 14370 return null; 14371 } 14372 14373 return dataStream.toByteArray(); 14374 } 14375 14376 @Override 14377 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14378 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14379 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14380 } 14381 14382 try { 14383 final XmlPullParser parser = Xml.newPullParser(); 14384 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14385 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14386 new BlobXmlRestorer() { 14387 @Override 14388 public void apply(XmlPullParser parser, int userId) 14389 throws XmlPullParserException, IOException { 14390 synchronized (mPackages) { 14391 mSettings.readAllDomainVerificationsLPr(parser, userId); 14392 mSettings.writeLPr(); 14393 } 14394 } 14395 } ); 14396 } catch (Exception e) { 14397 if (DEBUG_BACKUP) { 14398 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14399 } 14400 } 14401 } 14402 14403 @Override 14404 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14405 int sourceUserId, int targetUserId, int flags) { 14406 mContext.enforceCallingOrSelfPermission( 14407 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14408 int callingUid = Binder.getCallingUid(); 14409 enforceOwnerRights(ownerPackage, callingUid); 14410 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14411 if (intentFilter.countActions() == 0) { 14412 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14413 return; 14414 } 14415 synchronized (mPackages) { 14416 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14417 ownerPackage, targetUserId, flags); 14418 CrossProfileIntentResolver resolver = 14419 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14420 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14421 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14422 if (existing != null) { 14423 int size = existing.size(); 14424 for (int i = 0; i < size; i++) { 14425 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14426 return; 14427 } 14428 } 14429 } 14430 resolver.addFilter(newFilter); 14431 scheduleWritePackageRestrictionsLocked(sourceUserId); 14432 } 14433 } 14434 14435 @Override 14436 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14437 mContext.enforceCallingOrSelfPermission( 14438 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14439 int callingUid = Binder.getCallingUid(); 14440 enforceOwnerRights(ownerPackage, callingUid); 14441 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14442 synchronized (mPackages) { 14443 CrossProfileIntentResolver resolver = 14444 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14445 ArraySet<CrossProfileIntentFilter> set = 14446 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14447 for (CrossProfileIntentFilter filter : set) { 14448 if (filter.getOwnerPackage().equals(ownerPackage)) { 14449 resolver.removeFilter(filter); 14450 } 14451 } 14452 scheduleWritePackageRestrictionsLocked(sourceUserId); 14453 } 14454 } 14455 14456 // Enforcing that callingUid is owning pkg on userId 14457 private void enforceOwnerRights(String pkg, int callingUid) { 14458 // The system owns everything. 14459 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14460 return; 14461 } 14462 int callingUserId = UserHandle.getUserId(callingUid); 14463 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14464 if (pi == null) { 14465 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14466 + callingUserId); 14467 } 14468 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14469 throw new SecurityException("Calling uid " + callingUid 14470 + " does not own package " + pkg); 14471 } 14472 } 14473 14474 @Override 14475 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14476 Intent intent = new Intent(Intent.ACTION_MAIN); 14477 intent.addCategory(Intent.CATEGORY_HOME); 14478 14479 final int callingUserId = UserHandle.getCallingUserId(); 14480 List<ResolveInfo> list = queryIntentActivities(intent, null, 14481 PackageManager.GET_META_DATA, callingUserId); 14482 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14483 true, false, false, callingUserId); 14484 14485 allHomeCandidates.clear(); 14486 if (list != null) { 14487 for (ResolveInfo ri : list) { 14488 allHomeCandidates.add(ri); 14489 } 14490 } 14491 return (preferred == null || preferred.activityInfo == null) 14492 ? null 14493 : new ComponentName(preferred.activityInfo.packageName, 14494 preferred.activityInfo.name); 14495 } 14496 14497 @Override 14498 public void setApplicationEnabledSetting(String appPackageName, 14499 int newState, int flags, int userId, String callingPackage) { 14500 if (!sUserManager.exists(userId)) return; 14501 if (callingPackage == null) { 14502 callingPackage = Integer.toString(Binder.getCallingUid()); 14503 } 14504 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14505 } 14506 14507 @Override 14508 public void setComponentEnabledSetting(ComponentName componentName, 14509 int newState, int flags, int userId) { 14510 if (!sUserManager.exists(userId)) return; 14511 setEnabledSetting(componentName.getPackageName(), 14512 componentName.getClassName(), newState, flags, userId, null); 14513 } 14514 14515 private void setEnabledSetting(final String packageName, String className, int newState, 14516 final int flags, int userId, String callingPackage) { 14517 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 14518 || newState == COMPONENT_ENABLED_STATE_ENABLED 14519 || newState == COMPONENT_ENABLED_STATE_DISABLED 14520 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 14521 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 14522 throw new IllegalArgumentException("Invalid new component state: " 14523 + newState); 14524 } 14525 PackageSetting pkgSetting; 14526 final int uid = Binder.getCallingUid(); 14527 final int permission = mContext.checkCallingOrSelfPermission( 14528 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14529 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 14530 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14531 boolean sendNow = false; 14532 boolean isApp = (className == null); 14533 String componentName = isApp ? packageName : className; 14534 int packageUid = -1; 14535 ArrayList<String> components; 14536 14537 // writer 14538 synchronized (mPackages) { 14539 pkgSetting = mSettings.mPackages.get(packageName); 14540 if (pkgSetting == null) { 14541 if (className == null) { 14542 throw new IllegalArgumentException( 14543 "Unknown package: " + packageName); 14544 } 14545 throw new IllegalArgumentException( 14546 "Unknown component: " + packageName 14547 + "/" + className); 14548 } 14549 // Allow root and verify that userId is not being specified by a different user 14550 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 14551 throw new SecurityException( 14552 "Permission Denial: attempt to change component state from pid=" 14553 + Binder.getCallingPid() 14554 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 14555 } 14556 if (className == null) { 14557 // We're dealing with an application/package level state change 14558 if (pkgSetting.getEnabled(userId) == newState) { 14559 // Nothing to do 14560 return; 14561 } 14562 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 14563 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 14564 // Don't care about who enables an app. 14565 callingPackage = null; 14566 } 14567 pkgSetting.setEnabled(newState, userId, callingPackage); 14568 // pkgSetting.pkg.mSetEnabled = newState; 14569 } else { 14570 // We're dealing with a component level state change 14571 // First, verify that this is a valid class name. 14572 PackageParser.Package pkg = pkgSetting.pkg; 14573 if (pkg == null || !pkg.hasComponentClassName(className)) { 14574 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 14575 throw new IllegalArgumentException("Component class " + className 14576 + " does not exist in " + packageName); 14577 } else { 14578 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 14579 + className + " does not exist in " + packageName); 14580 } 14581 } 14582 switch (newState) { 14583 case COMPONENT_ENABLED_STATE_ENABLED: 14584 if (!pkgSetting.enableComponentLPw(className, userId)) { 14585 return; 14586 } 14587 break; 14588 case COMPONENT_ENABLED_STATE_DISABLED: 14589 if (!pkgSetting.disableComponentLPw(className, userId)) { 14590 return; 14591 } 14592 break; 14593 case COMPONENT_ENABLED_STATE_DEFAULT: 14594 if (!pkgSetting.restoreComponentLPw(className, userId)) { 14595 return; 14596 } 14597 break; 14598 default: 14599 Slog.e(TAG, "Invalid new component state: " + newState); 14600 return; 14601 } 14602 } 14603 scheduleWritePackageRestrictionsLocked(userId); 14604 components = mPendingBroadcasts.get(userId, packageName); 14605 final boolean newPackage = components == null; 14606 if (newPackage) { 14607 components = new ArrayList<String>(); 14608 } 14609 if (!components.contains(componentName)) { 14610 components.add(componentName); 14611 } 14612 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 14613 sendNow = true; 14614 // Purge entry from pending broadcast list if another one exists already 14615 // since we are sending one right away. 14616 mPendingBroadcasts.remove(userId, packageName); 14617 } else { 14618 if (newPackage) { 14619 mPendingBroadcasts.put(userId, packageName, components); 14620 } 14621 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 14622 // Schedule a message 14623 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 14624 } 14625 } 14626 } 14627 14628 long callingId = Binder.clearCallingIdentity(); 14629 try { 14630 if (sendNow) { 14631 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 14632 sendPackageChangedBroadcast(packageName, 14633 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 14634 } 14635 } finally { 14636 Binder.restoreCallingIdentity(callingId); 14637 } 14638 } 14639 14640 private void sendPackageChangedBroadcast(String packageName, 14641 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 14642 if (DEBUG_INSTALL) 14643 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 14644 + componentNames); 14645 Bundle extras = new Bundle(4); 14646 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 14647 String nameList[] = new String[componentNames.size()]; 14648 componentNames.toArray(nameList); 14649 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 14650 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 14651 extras.putInt(Intent.EXTRA_UID, packageUid); 14652 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 14653 new int[] {UserHandle.getUserId(packageUid)}); 14654 } 14655 14656 @Override 14657 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 14658 if (!sUserManager.exists(userId)) return; 14659 final int uid = Binder.getCallingUid(); 14660 final int permission = mContext.checkCallingOrSelfPermission( 14661 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14662 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14663 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 14664 // writer 14665 synchronized (mPackages) { 14666 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 14667 allowedByPermission, uid, userId)) { 14668 scheduleWritePackageRestrictionsLocked(userId); 14669 } 14670 } 14671 } 14672 14673 @Override 14674 public String getInstallerPackageName(String packageName) { 14675 // reader 14676 synchronized (mPackages) { 14677 return mSettings.getInstallerPackageNameLPr(packageName); 14678 } 14679 } 14680 14681 @Override 14682 public int getApplicationEnabledSetting(String packageName, int userId) { 14683 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14684 int uid = Binder.getCallingUid(); 14685 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 14686 // reader 14687 synchronized (mPackages) { 14688 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 14689 } 14690 } 14691 14692 @Override 14693 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 14694 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14695 int uid = Binder.getCallingUid(); 14696 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 14697 // reader 14698 synchronized (mPackages) { 14699 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 14700 } 14701 } 14702 14703 @Override 14704 public void enterSafeMode() { 14705 enforceSystemOrRoot("Only the system can request entering safe mode"); 14706 14707 if (!mSystemReady) { 14708 mSafeMode = true; 14709 } 14710 } 14711 14712 @Override 14713 public void systemReady() { 14714 mSystemReady = true; 14715 14716 // Read the compatibilty setting when the system is ready. 14717 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 14718 mContext.getContentResolver(), 14719 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 14720 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 14721 if (DEBUG_SETTINGS) { 14722 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 14723 } 14724 14725 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 14726 14727 synchronized (mPackages) { 14728 // Verify that all of the preferred activity components actually 14729 // exist. It is possible for applications to be updated and at 14730 // that point remove a previously declared activity component that 14731 // had been set as a preferred activity. We try to clean this up 14732 // the next time we encounter that preferred activity, but it is 14733 // possible for the user flow to never be able to return to that 14734 // situation so here we do a sanity check to make sure we haven't 14735 // left any junk around. 14736 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 14737 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14738 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14739 removed.clear(); 14740 for (PreferredActivity pa : pir.filterSet()) { 14741 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 14742 removed.add(pa); 14743 } 14744 } 14745 if (removed.size() > 0) { 14746 for (int r=0; r<removed.size(); r++) { 14747 PreferredActivity pa = removed.get(r); 14748 Slog.w(TAG, "Removing dangling preferred activity: " 14749 + pa.mPref.mComponent); 14750 pir.removeFilter(pa); 14751 } 14752 mSettings.writePackageRestrictionsLPr( 14753 mSettings.mPreferredActivities.keyAt(i)); 14754 } 14755 } 14756 14757 for (int userId : UserManagerService.getInstance().getUserIds()) { 14758 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 14759 grantPermissionsUserIds = ArrayUtils.appendInt( 14760 grantPermissionsUserIds, userId); 14761 } 14762 } 14763 } 14764 sUserManager.systemReady(); 14765 14766 // If we upgraded grant all default permissions before kicking off. 14767 for (int userId : grantPermissionsUserIds) { 14768 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 14769 } 14770 14771 // Kick off any messages waiting for system ready 14772 if (mPostSystemReadyMessages != null) { 14773 for (Message msg : mPostSystemReadyMessages) { 14774 msg.sendToTarget(); 14775 } 14776 mPostSystemReadyMessages = null; 14777 } 14778 14779 // Watch for external volumes that come and go over time 14780 final StorageManager storage = mContext.getSystemService(StorageManager.class); 14781 storage.registerListener(mStorageListener); 14782 14783 mInstallerService.systemReady(); 14784 mPackageDexOptimizer.systemReady(); 14785 14786 MountServiceInternal mountServiceInternal = LocalServices.getService( 14787 MountServiceInternal.class); 14788 mountServiceInternal.addExternalStoragePolicy( 14789 new MountServiceInternal.ExternalStorageMountPolicy() { 14790 @Override 14791 public int getMountMode(int uid, String packageName) { 14792 if (Process.isIsolated(uid)) { 14793 return Zygote.MOUNT_EXTERNAL_NONE; 14794 } 14795 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 14796 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14797 } 14798 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14799 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14800 } 14801 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14802 return Zygote.MOUNT_EXTERNAL_READ; 14803 } 14804 return Zygote.MOUNT_EXTERNAL_WRITE; 14805 } 14806 14807 @Override 14808 public boolean hasExternalStorage(int uid, String packageName) { 14809 return true; 14810 } 14811 }); 14812 } 14813 14814 @Override 14815 public boolean isSafeMode() { 14816 return mSafeMode; 14817 } 14818 14819 @Override 14820 public boolean hasSystemUidErrors() { 14821 return mHasSystemUidErrors; 14822 } 14823 14824 static String arrayToString(int[] array) { 14825 StringBuffer buf = new StringBuffer(128); 14826 buf.append('['); 14827 if (array != null) { 14828 for (int i=0; i<array.length; i++) { 14829 if (i > 0) buf.append(", "); 14830 buf.append(array[i]); 14831 } 14832 } 14833 buf.append(']'); 14834 return buf.toString(); 14835 } 14836 14837 static class DumpState { 14838 public static final int DUMP_LIBS = 1 << 0; 14839 public static final int DUMP_FEATURES = 1 << 1; 14840 public static final int DUMP_RESOLVERS = 1 << 2; 14841 public static final int DUMP_PERMISSIONS = 1 << 3; 14842 public static final int DUMP_PACKAGES = 1 << 4; 14843 public static final int DUMP_SHARED_USERS = 1 << 5; 14844 public static final int DUMP_MESSAGES = 1 << 6; 14845 public static final int DUMP_PROVIDERS = 1 << 7; 14846 public static final int DUMP_VERIFIERS = 1 << 8; 14847 public static final int DUMP_PREFERRED = 1 << 9; 14848 public static final int DUMP_PREFERRED_XML = 1 << 10; 14849 public static final int DUMP_KEYSETS = 1 << 11; 14850 public static final int DUMP_VERSION = 1 << 12; 14851 public static final int DUMP_INSTALLS = 1 << 13; 14852 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14; 14853 public static final int DUMP_DOMAIN_PREFERRED = 1 << 15; 14854 14855 public static final int OPTION_SHOW_FILTERS = 1 << 0; 14856 14857 private int mTypes; 14858 14859 private int mOptions; 14860 14861 private boolean mTitlePrinted; 14862 14863 private SharedUserSetting mSharedUser; 14864 14865 public boolean isDumping(int type) { 14866 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 14867 return true; 14868 } 14869 14870 return (mTypes & type) != 0; 14871 } 14872 14873 public void setDump(int type) { 14874 mTypes |= type; 14875 } 14876 14877 public boolean isOptionEnabled(int option) { 14878 return (mOptions & option) != 0; 14879 } 14880 14881 public void setOptionEnabled(int option) { 14882 mOptions |= option; 14883 } 14884 14885 public boolean onTitlePrinted() { 14886 final boolean printed = mTitlePrinted; 14887 mTitlePrinted = true; 14888 return printed; 14889 } 14890 14891 public boolean getTitlePrinted() { 14892 return mTitlePrinted; 14893 } 14894 14895 public void setTitlePrinted(boolean enabled) { 14896 mTitlePrinted = enabled; 14897 } 14898 14899 public SharedUserSetting getSharedUser() { 14900 return mSharedUser; 14901 } 14902 14903 public void setSharedUser(SharedUserSetting user) { 14904 mSharedUser = user; 14905 } 14906 } 14907 14908 @Override 14909 public void onShellCommand(FileDescriptor in, FileDescriptor out, 14910 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 14911 (new PackageManagerShellCommand(this)).exec( 14912 this, in, out, err, args, resultReceiver); 14913 } 14914 14915 @Override 14916 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 14917 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 14918 != PackageManager.PERMISSION_GRANTED) { 14919 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 14920 + Binder.getCallingPid() 14921 + ", uid=" + Binder.getCallingUid() 14922 + " without permission " 14923 + android.Manifest.permission.DUMP); 14924 return; 14925 } 14926 14927 DumpState dumpState = new DumpState(); 14928 boolean fullPreferred = false; 14929 boolean checkin = false; 14930 14931 String packageName = null; 14932 ArraySet<String> permissionNames = null; 14933 14934 int opti = 0; 14935 while (opti < args.length) { 14936 String opt = args[opti]; 14937 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 14938 break; 14939 } 14940 opti++; 14941 14942 if ("-a".equals(opt)) { 14943 // Right now we only know how to print all. 14944 } else if ("-h".equals(opt)) { 14945 pw.println("Package manager dump options:"); 14946 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 14947 pw.println(" --checkin: dump for a checkin"); 14948 pw.println(" -f: print details of intent filters"); 14949 pw.println(" -h: print this help"); 14950 pw.println(" cmd may be one of:"); 14951 pw.println(" l[ibraries]: list known shared libraries"); 14952 pw.println(" f[ibraries]: list device features"); 14953 pw.println(" k[eysets]: print known keysets"); 14954 pw.println(" r[esolvers]: dump intent resolvers"); 14955 pw.println(" perm[issions]: dump permissions"); 14956 pw.println(" permission [name ...]: dump declaration and use of given permission"); 14957 pw.println(" pref[erred]: print preferred package settings"); 14958 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 14959 pw.println(" prov[iders]: dump content providers"); 14960 pw.println(" p[ackages]: dump installed packages"); 14961 pw.println(" s[hared-users]: dump shared user IDs"); 14962 pw.println(" m[essages]: print collected runtime messages"); 14963 pw.println(" v[erifiers]: print package verifier info"); 14964 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 14965 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 14966 pw.println(" version: print database version info"); 14967 pw.println(" write: write current settings now"); 14968 pw.println(" installs: details about install sessions"); 14969 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 14970 pw.println(" <package.name>: info about given package"); 14971 return; 14972 } else if ("--checkin".equals(opt)) { 14973 checkin = true; 14974 } else if ("-f".equals(opt)) { 14975 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14976 } else { 14977 pw.println("Unknown argument: " + opt + "; use -h for help"); 14978 } 14979 } 14980 14981 // Is the caller requesting to dump a particular piece of data? 14982 if (opti < args.length) { 14983 String cmd = args[opti]; 14984 opti++; 14985 // Is this a package name? 14986 if ("android".equals(cmd) || cmd.contains(".")) { 14987 packageName = cmd; 14988 // When dumping a single package, we always dump all of its 14989 // filter information since the amount of data will be reasonable. 14990 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14991 } else if ("check-permission".equals(cmd)) { 14992 if (opti >= args.length) { 14993 pw.println("Error: check-permission missing permission argument"); 14994 return; 14995 } 14996 String perm = args[opti]; 14997 opti++; 14998 if (opti >= args.length) { 14999 pw.println("Error: check-permission missing package argument"); 15000 return; 15001 } 15002 String pkg = args[opti]; 15003 opti++; 15004 int user = UserHandle.getUserId(Binder.getCallingUid()); 15005 if (opti < args.length) { 15006 try { 15007 user = Integer.parseInt(args[opti]); 15008 } catch (NumberFormatException e) { 15009 pw.println("Error: check-permission user argument is not a number: " 15010 + args[opti]); 15011 return; 15012 } 15013 } 15014 pw.println(checkPermission(perm, pkg, user)); 15015 return; 15016 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 15017 dumpState.setDump(DumpState.DUMP_LIBS); 15018 } else if ("f".equals(cmd) || "features".equals(cmd)) { 15019 dumpState.setDump(DumpState.DUMP_FEATURES); 15020 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 15021 dumpState.setDump(DumpState.DUMP_RESOLVERS); 15022 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 15023 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 15024 } else if ("permission".equals(cmd)) { 15025 if (opti >= args.length) { 15026 pw.println("Error: permission requires permission name"); 15027 return; 15028 } 15029 permissionNames = new ArraySet<>(); 15030 while (opti < args.length) { 15031 permissionNames.add(args[opti]); 15032 opti++; 15033 } 15034 dumpState.setDump(DumpState.DUMP_PERMISSIONS 15035 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 15036 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 15037 dumpState.setDump(DumpState.DUMP_PREFERRED); 15038 } else if ("preferred-xml".equals(cmd)) { 15039 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 15040 if (opti < args.length && "--full".equals(args[opti])) { 15041 fullPreferred = true; 15042 opti++; 15043 } 15044 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 15045 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 15046 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 15047 dumpState.setDump(DumpState.DUMP_PACKAGES); 15048 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 15049 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 15050 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 15051 dumpState.setDump(DumpState.DUMP_PROVIDERS); 15052 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 15053 dumpState.setDump(DumpState.DUMP_MESSAGES); 15054 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 15055 dumpState.setDump(DumpState.DUMP_VERIFIERS); 15056 } else if ("i".equals(cmd) || "ifv".equals(cmd) 15057 || "intent-filter-verifiers".equals(cmd)) { 15058 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 15059 } else if ("version".equals(cmd)) { 15060 dumpState.setDump(DumpState.DUMP_VERSION); 15061 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 15062 dumpState.setDump(DumpState.DUMP_KEYSETS); 15063 } else if ("installs".equals(cmd)) { 15064 dumpState.setDump(DumpState.DUMP_INSTALLS); 15065 } else if ("write".equals(cmd)) { 15066 synchronized (mPackages) { 15067 mSettings.writeLPr(); 15068 pw.println("Settings written."); 15069 return; 15070 } 15071 } 15072 } 15073 15074 if (checkin) { 15075 pw.println("vers,1"); 15076 } 15077 15078 // reader 15079 synchronized (mPackages) { 15080 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 15081 if (!checkin) { 15082 if (dumpState.onTitlePrinted()) 15083 pw.println(); 15084 pw.println("Database versions:"); 15085 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 15086 } 15087 } 15088 15089 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 15090 if (!checkin) { 15091 if (dumpState.onTitlePrinted()) 15092 pw.println(); 15093 pw.println("Verifiers:"); 15094 pw.print(" Required: "); 15095 pw.print(mRequiredVerifierPackage); 15096 pw.print(" (uid="); 15097 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 15098 pw.println(")"); 15099 } else if (mRequiredVerifierPackage != null) { 15100 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 15101 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 15102 } 15103 } 15104 15105 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 15106 packageName == null) { 15107 if (mIntentFilterVerifierComponent != null) { 15108 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 15109 if (!checkin) { 15110 if (dumpState.onTitlePrinted()) 15111 pw.println(); 15112 pw.println("Intent Filter Verifier:"); 15113 pw.print(" Using: "); 15114 pw.print(verifierPackageName); 15115 pw.print(" (uid="); 15116 pw.print(getPackageUid(verifierPackageName, 0)); 15117 pw.println(")"); 15118 } else if (verifierPackageName != null) { 15119 pw.print("ifv,"); pw.print(verifierPackageName); 15120 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 15121 } 15122 } else { 15123 pw.println(); 15124 pw.println("No Intent Filter Verifier available!"); 15125 } 15126 } 15127 15128 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 15129 boolean printedHeader = false; 15130 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 15131 while (it.hasNext()) { 15132 String name = it.next(); 15133 SharedLibraryEntry ent = mSharedLibraries.get(name); 15134 if (!checkin) { 15135 if (!printedHeader) { 15136 if (dumpState.onTitlePrinted()) 15137 pw.println(); 15138 pw.println("Libraries:"); 15139 printedHeader = true; 15140 } 15141 pw.print(" "); 15142 } else { 15143 pw.print("lib,"); 15144 } 15145 pw.print(name); 15146 if (!checkin) { 15147 pw.print(" -> "); 15148 } 15149 if (ent.path != null) { 15150 if (!checkin) { 15151 pw.print("(jar) "); 15152 pw.print(ent.path); 15153 } else { 15154 pw.print(",jar,"); 15155 pw.print(ent.path); 15156 } 15157 } else { 15158 if (!checkin) { 15159 pw.print("(apk) "); 15160 pw.print(ent.apk); 15161 } else { 15162 pw.print(",apk,"); 15163 pw.print(ent.apk); 15164 } 15165 } 15166 pw.println(); 15167 } 15168 } 15169 15170 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15171 if (dumpState.onTitlePrinted()) 15172 pw.println(); 15173 if (!checkin) { 15174 pw.println("Features:"); 15175 } 15176 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15177 while (it.hasNext()) { 15178 String name = it.next(); 15179 if (!checkin) { 15180 pw.print(" "); 15181 } else { 15182 pw.print("feat,"); 15183 } 15184 pw.println(name); 15185 } 15186 } 15187 15188 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 15189 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15190 : "Activity Resolver Table:", " ", packageName, 15191 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15192 dumpState.setTitlePrinted(true); 15193 } 15194 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15195 : "Receiver Resolver Table:", " ", packageName, 15196 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15197 dumpState.setTitlePrinted(true); 15198 } 15199 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15200 : "Service Resolver Table:", " ", packageName, 15201 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15202 dumpState.setTitlePrinted(true); 15203 } 15204 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15205 : "Provider Resolver Table:", " ", packageName, 15206 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15207 dumpState.setTitlePrinted(true); 15208 } 15209 } 15210 15211 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15212 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15213 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15214 int user = mSettings.mPreferredActivities.keyAt(i); 15215 if (pir.dump(pw, 15216 dumpState.getTitlePrinted() 15217 ? "\nPreferred Activities User " + user + ":" 15218 : "Preferred Activities User " + user + ":", " ", 15219 packageName, true, false)) { 15220 dumpState.setTitlePrinted(true); 15221 } 15222 } 15223 } 15224 15225 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15226 pw.flush(); 15227 FileOutputStream fout = new FileOutputStream(fd); 15228 BufferedOutputStream str = new BufferedOutputStream(fout); 15229 XmlSerializer serializer = new FastXmlSerializer(); 15230 try { 15231 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15232 serializer.startDocument(null, true); 15233 serializer.setFeature( 15234 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15235 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15236 serializer.endDocument(); 15237 serializer.flush(); 15238 } catch (IllegalArgumentException e) { 15239 pw.println("Failed writing: " + e); 15240 } catch (IllegalStateException e) { 15241 pw.println("Failed writing: " + e); 15242 } catch (IOException e) { 15243 pw.println("Failed writing: " + e); 15244 } 15245 } 15246 15247 if (!checkin 15248 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15249 && packageName == null) { 15250 pw.println(); 15251 int count = mSettings.mPackages.size(); 15252 if (count == 0) { 15253 pw.println("No applications!"); 15254 pw.println(); 15255 } else { 15256 final String prefix = " "; 15257 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15258 if (allPackageSettings.size() == 0) { 15259 pw.println("No domain preferred apps!"); 15260 pw.println(); 15261 } else { 15262 pw.println("App verification status:"); 15263 pw.println(); 15264 count = 0; 15265 for (PackageSetting ps : allPackageSettings) { 15266 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15267 if (ivi == null || ivi.getPackageName() == null) continue; 15268 pw.println(prefix + "Package: " + ivi.getPackageName()); 15269 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15270 pw.println(prefix + "Status: " + ivi.getStatusString()); 15271 pw.println(); 15272 count++; 15273 } 15274 if (count == 0) { 15275 pw.println(prefix + "No app verification established."); 15276 pw.println(); 15277 } 15278 for (int userId : sUserManager.getUserIds()) { 15279 pw.println("App linkages for user " + userId + ":"); 15280 pw.println(); 15281 count = 0; 15282 for (PackageSetting ps : allPackageSettings) { 15283 final long status = ps.getDomainVerificationStatusForUser(userId); 15284 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15285 continue; 15286 } 15287 pw.println(prefix + "Package: " + ps.name); 15288 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15289 String statusStr = IntentFilterVerificationInfo. 15290 getStatusStringFromValue(status); 15291 pw.println(prefix + "Status: " + statusStr); 15292 pw.println(); 15293 count++; 15294 } 15295 if (count == 0) { 15296 pw.println(prefix + "No configured app linkages."); 15297 pw.println(); 15298 } 15299 } 15300 } 15301 } 15302 } 15303 15304 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15305 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15306 if (packageName == null && permissionNames == null) { 15307 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15308 if (iperm == 0) { 15309 if (dumpState.onTitlePrinted()) 15310 pw.println(); 15311 pw.println("AppOp Permissions:"); 15312 } 15313 pw.print(" AppOp Permission "); 15314 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15315 pw.println(":"); 15316 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15317 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15318 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15319 } 15320 } 15321 } 15322 } 15323 15324 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15325 boolean printedSomething = false; 15326 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15327 if (packageName != null && !packageName.equals(p.info.packageName)) { 15328 continue; 15329 } 15330 if (!printedSomething) { 15331 if (dumpState.onTitlePrinted()) 15332 pw.println(); 15333 pw.println("Registered ContentProviders:"); 15334 printedSomething = true; 15335 } 15336 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15337 pw.print(" "); pw.println(p.toString()); 15338 } 15339 printedSomething = false; 15340 for (Map.Entry<String, PackageParser.Provider> entry : 15341 mProvidersByAuthority.entrySet()) { 15342 PackageParser.Provider p = entry.getValue(); 15343 if (packageName != null && !packageName.equals(p.info.packageName)) { 15344 continue; 15345 } 15346 if (!printedSomething) { 15347 if (dumpState.onTitlePrinted()) 15348 pw.println(); 15349 pw.println("ContentProvider Authorities:"); 15350 printedSomething = true; 15351 } 15352 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15353 pw.print(" "); pw.println(p.toString()); 15354 if (p.info != null && p.info.applicationInfo != null) { 15355 final String appInfo = p.info.applicationInfo.toString(); 15356 pw.print(" applicationInfo="); pw.println(appInfo); 15357 } 15358 } 15359 } 15360 15361 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15362 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15363 } 15364 15365 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15366 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15367 } 15368 15369 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15370 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15371 } 15372 15373 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15374 // XXX should handle packageName != null by dumping only install data that 15375 // the given package is involved with. 15376 if (dumpState.onTitlePrinted()) pw.println(); 15377 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 15378 } 15379 15380 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 15381 if (dumpState.onTitlePrinted()) pw.println(); 15382 mSettings.dumpReadMessagesLPr(pw, dumpState); 15383 15384 pw.println(); 15385 pw.println("Package warning messages:"); 15386 BufferedReader in = null; 15387 String line = null; 15388 try { 15389 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15390 while ((line = in.readLine()) != null) { 15391 if (line.contains("ignored: updated version")) continue; 15392 pw.println(line); 15393 } 15394 } catch (IOException ignored) { 15395 } finally { 15396 IoUtils.closeQuietly(in); 15397 } 15398 } 15399 15400 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15401 BufferedReader in = null; 15402 String line = null; 15403 try { 15404 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15405 while ((line = in.readLine()) != null) { 15406 if (line.contains("ignored: updated version")) continue; 15407 pw.print("msg,"); 15408 pw.println(line); 15409 } 15410 } catch (IOException ignored) { 15411 } finally { 15412 IoUtils.closeQuietly(in); 15413 } 15414 } 15415 } 15416 } 15417 15418 private String dumpDomainString(String packageName) { 15419 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15420 List<IntentFilter> filters = getAllIntentFilters(packageName); 15421 15422 ArraySet<String> result = new ArraySet<>(); 15423 if (iviList.size() > 0) { 15424 for (IntentFilterVerificationInfo ivi : iviList) { 15425 for (String host : ivi.getDomains()) { 15426 result.add(host); 15427 } 15428 } 15429 } 15430 if (filters != null && filters.size() > 0) { 15431 for (IntentFilter filter : filters) { 15432 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 15433 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15434 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 15435 result.addAll(filter.getHostsList()); 15436 } 15437 } 15438 } 15439 15440 StringBuilder sb = new StringBuilder(result.size() * 16); 15441 for (String domain : result) { 15442 if (sb.length() > 0) sb.append(" "); 15443 sb.append(domain); 15444 } 15445 return sb.toString(); 15446 } 15447 15448 // ------- apps on sdcard specific code ------- 15449 static final boolean DEBUG_SD_INSTALL = false; 15450 15451 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15452 15453 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15454 15455 private boolean mMediaMounted = false; 15456 15457 static String getEncryptKey() { 15458 try { 15459 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15460 SD_ENCRYPTION_KEYSTORE_NAME); 15461 if (sdEncKey == null) { 15462 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15463 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15464 if (sdEncKey == null) { 15465 Slog.e(TAG, "Failed to create encryption keys"); 15466 return null; 15467 } 15468 } 15469 return sdEncKey; 15470 } catch (NoSuchAlgorithmException nsae) { 15471 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 15472 return null; 15473 } catch (IOException ioe) { 15474 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 15475 return null; 15476 } 15477 } 15478 15479 /* 15480 * Update media status on PackageManager. 15481 */ 15482 @Override 15483 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 15484 int callingUid = Binder.getCallingUid(); 15485 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 15486 throw new SecurityException("Media status can only be updated by the system"); 15487 } 15488 // reader; this apparently protects mMediaMounted, but should probably 15489 // be a different lock in that case. 15490 synchronized (mPackages) { 15491 Log.i(TAG, "Updating external media status from " 15492 + (mMediaMounted ? "mounted" : "unmounted") + " to " 15493 + (mediaStatus ? "mounted" : "unmounted")); 15494 if (DEBUG_SD_INSTALL) 15495 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 15496 + ", mMediaMounted=" + mMediaMounted); 15497 if (mediaStatus == mMediaMounted) { 15498 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 15499 : 0, -1); 15500 mHandler.sendMessage(msg); 15501 return; 15502 } 15503 mMediaMounted = mediaStatus; 15504 } 15505 // Queue up an async operation since the package installation may take a 15506 // little while. 15507 mHandler.post(new Runnable() { 15508 public void run() { 15509 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 15510 } 15511 }); 15512 } 15513 15514 /** 15515 * Called by MountService when the initial ASECs to scan are available. 15516 * Should block until all the ASEC containers are finished being scanned. 15517 */ 15518 public void scanAvailableAsecs() { 15519 updateExternalMediaStatusInner(true, false, false); 15520 if (mShouldRestoreconData) { 15521 SELinuxMMAC.setRestoreconDone(); 15522 mShouldRestoreconData = false; 15523 } 15524 } 15525 15526 /* 15527 * Collect information of applications on external media, map them against 15528 * existing containers and update information based on current mount status. 15529 * Please note that we always have to report status if reportStatus has been 15530 * set to true especially when unloading packages. 15531 */ 15532 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 15533 boolean externalStorage) { 15534 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 15535 int[] uidArr = EmptyArray.INT; 15536 15537 final String[] list = PackageHelper.getSecureContainerList(); 15538 if (ArrayUtils.isEmpty(list)) { 15539 Log.i(TAG, "No secure containers found"); 15540 } else { 15541 // Process list of secure containers and categorize them 15542 // as active or stale based on their package internal state. 15543 15544 // reader 15545 synchronized (mPackages) { 15546 for (String cid : list) { 15547 // Leave stages untouched for now; installer service owns them 15548 if (PackageInstallerService.isStageName(cid)) continue; 15549 15550 if (DEBUG_SD_INSTALL) 15551 Log.i(TAG, "Processing container " + cid); 15552 String pkgName = getAsecPackageName(cid); 15553 if (pkgName == null) { 15554 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 15555 continue; 15556 } 15557 if (DEBUG_SD_INSTALL) 15558 Log.i(TAG, "Looking for pkg : " + pkgName); 15559 15560 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15561 if (ps == null) { 15562 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 15563 continue; 15564 } 15565 15566 /* 15567 * Skip packages that are not external if we're unmounting 15568 * external storage. 15569 */ 15570 if (externalStorage && !isMounted && !isExternal(ps)) { 15571 continue; 15572 } 15573 15574 final AsecInstallArgs args = new AsecInstallArgs(cid, 15575 getAppDexInstructionSets(ps), ps.isForwardLocked()); 15576 // The package status is changed only if the code path 15577 // matches between settings and the container id. 15578 if (ps.codePathString != null 15579 && ps.codePathString.startsWith(args.getCodePath())) { 15580 if (DEBUG_SD_INSTALL) { 15581 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 15582 + " at code path: " + ps.codePathString); 15583 } 15584 15585 // We do have a valid package installed on sdcard 15586 processCids.put(args, ps.codePathString); 15587 final int uid = ps.appId; 15588 if (uid != -1) { 15589 uidArr = ArrayUtils.appendInt(uidArr, uid); 15590 } 15591 } else { 15592 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 15593 + ps.codePathString); 15594 } 15595 } 15596 } 15597 15598 Arrays.sort(uidArr); 15599 } 15600 15601 // Process packages with valid entries. 15602 if (isMounted) { 15603 if (DEBUG_SD_INSTALL) 15604 Log.i(TAG, "Loading packages"); 15605 loadMediaPackages(processCids, uidArr, externalStorage); 15606 startCleaningPackages(); 15607 mInstallerService.onSecureContainersAvailable(); 15608 } else { 15609 if (DEBUG_SD_INSTALL) 15610 Log.i(TAG, "Unloading packages"); 15611 unloadMediaPackages(processCids, uidArr, reportStatus); 15612 } 15613 } 15614 15615 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15616 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 15617 final int size = infos.size(); 15618 final String[] packageNames = new String[size]; 15619 final int[] packageUids = new int[size]; 15620 for (int i = 0; i < size; i++) { 15621 final ApplicationInfo info = infos.get(i); 15622 packageNames[i] = info.packageName; 15623 packageUids[i] = info.uid; 15624 } 15625 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 15626 finishedReceiver); 15627 } 15628 15629 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15630 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15631 sendResourcesChangedBroadcast(mediaStatus, replacing, 15632 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 15633 } 15634 15635 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15636 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15637 int size = pkgList.length; 15638 if (size > 0) { 15639 // Send broadcasts here 15640 Bundle extras = new Bundle(); 15641 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 15642 if (uidArr != null) { 15643 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 15644 } 15645 if (replacing) { 15646 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 15647 } 15648 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 15649 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 15650 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 15651 } 15652 } 15653 15654 /* 15655 * Look at potentially valid container ids from processCids If package 15656 * information doesn't match the one on record or package scanning fails, 15657 * the cid is added to list of removeCids. We currently don't delete stale 15658 * containers. 15659 */ 15660 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 15661 boolean externalStorage) { 15662 ArrayList<String> pkgList = new ArrayList<String>(); 15663 Set<AsecInstallArgs> keys = processCids.keySet(); 15664 15665 for (AsecInstallArgs args : keys) { 15666 String codePath = processCids.get(args); 15667 if (DEBUG_SD_INSTALL) 15668 Log.i(TAG, "Loading container : " + args.cid); 15669 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15670 try { 15671 // Make sure there are no container errors first. 15672 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 15673 Slog.e(TAG, "Failed to mount cid : " + args.cid 15674 + " when installing from sdcard"); 15675 continue; 15676 } 15677 // Check code path here. 15678 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 15679 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 15680 + " does not match one in settings " + codePath); 15681 continue; 15682 } 15683 // Parse package 15684 int parseFlags = mDefParseFlags; 15685 if (args.isExternalAsec()) { 15686 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 15687 } 15688 if (args.isFwdLocked()) { 15689 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 15690 } 15691 15692 synchronized (mInstallLock) { 15693 PackageParser.Package pkg = null; 15694 try { 15695 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 15696 } catch (PackageManagerException e) { 15697 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 15698 } 15699 // Scan the package 15700 if (pkg != null) { 15701 /* 15702 * TODO why is the lock being held? doPostInstall is 15703 * called in other places without the lock. This needs 15704 * to be straightened out. 15705 */ 15706 // writer 15707 synchronized (mPackages) { 15708 retCode = PackageManager.INSTALL_SUCCEEDED; 15709 pkgList.add(pkg.packageName); 15710 // Post process args 15711 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 15712 pkg.applicationInfo.uid); 15713 } 15714 } else { 15715 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 15716 } 15717 } 15718 15719 } finally { 15720 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 15721 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 15722 } 15723 } 15724 } 15725 // writer 15726 synchronized (mPackages) { 15727 // If the platform SDK has changed since the last time we booted, 15728 // we need to re-grant app permission to catch any new ones that 15729 // appear. This is really a hack, and means that apps can in some 15730 // cases get permissions that the user didn't initially explicitly 15731 // allow... it would be nice to have some better way to handle 15732 // this situation. 15733 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 15734 : mSettings.getInternalVersion(); 15735 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 15736 : StorageManager.UUID_PRIVATE_INTERNAL; 15737 15738 int updateFlags = UPDATE_PERMISSIONS_ALL; 15739 if (ver.sdkVersion != mSdkVersion) { 15740 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15741 + mSdkVersion + "; regranting permissions for external"); 15742 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15743 } 15744 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 15745 15746 // Yay, everything is now upgraded 15747 ver.forceCurrent(); 15748 15749 // can downgrade to reader 15750 // Persist settings 15751 mSettings.writeLPr(); 15752 } 15753 // Send a broadcast to let everyone know we are done processing 15754 if (pkgList.size() > 0) { 15755 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 15756 } 15757 } 15758 15759 /* 15760 * Utility method to unload a list of specified containers 15761 */ 15762 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 15763 // Just unmount all valid containers. 15764 for (AsecInstallArgs arg : cidArgs) { 15765 synchronized (mInstallLock) { 15766 arg.doPostDeleteLI(false); 15767 } 15768 } 15769 } 15770 15771 /* 15772 * Unload packages mounted on external media. This involves deleting package 15773 * data from internal structures, sending broadcasts about diabled packages, 15774 * gc'ing to free up references, unmounting all secure containers 15775 * corresponding to packages on external media, and posting a 15776 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 15777 * that we always have to post this message if status has been requested no 15778 * matter what. 15779 */ 15780 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 15781 final boolean reportStatus) { 15782 if (DEBUG_SD_INSTALL) 15783 Log.i(TAG, "unloading media packages"); 15784 ArrayList<String> pkgList = new ArrayList<String>(); 15785 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 15786 final Set<AsecInstallArgs> keys = processCids.keySet(); 15787 for (AsecInstallArgs args : keys) { 15788 String pkgName = args.getPackageName(); 15789 if (DEBUG_SD_INSTALL) 15790 Log.i(TAG, "Trying to unload pkg : " + pkgName); 15791 // Delete package internally 15792 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15793 synchronized (mInstallLock) { 15794 boolean res = deletePackageLI(pkgName, null, false, null, null, 15795 PackageManager.DELETE_KEEP_DATA, outInfo, false); 15796 if (res) { 15797 pkgList.add(pkgName); 15798 } else { 15799 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 15800 failedList.add(args); 15801 } 15802 } 15803 } 15804 15805 // reader 15806 synchronized (mPackages) { 15807 // We didn't update the settings after removing each package; 15808 // write them now for all packages. 15809 mSettings.writeLPr(); 15810 } 15811 15812 // We have to absolutely send UPDATED_MEDIA_STATUS only 15813 // after confirming that all the receivers processed the ordered 15814 // broadcast when packages get disabled, force a gc to clean things up. 15815 // and unload all the containers. 15816 if (pkgList.size() > 0) { 15817 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 15818 new IIntentReceiver.Stub() { 15819 public void performReceive(Intent intent, int resultCode, String data, 15820 Bundle extras, boolean ordered, boolean sticky, 15821 int sendingUser) throws RemoteException { 15822 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 15823 reportStatus ? 1 : 0, 1, keys); 15824 mHandler.sendMessage(msg); 15825 } 15826 }); 15827 } else { 15828 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 15829 keys); 15830 mHandler.sendMessage(msg); 15831 } 15832 } 15833 15834 private void loadPrivatePackages(final VolumeInfo vol) { 15835 mHandler.post(new Runnable() { 15836 @Override 15837 public void run() { 15838 loadPrivatePackagesInner(vol); 15839 } 15840 }); 15841 } 15842 15843 private void loadPrivatePackagesInner(VolumeInfo vol) { 15844 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 15845 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 15846 15847 final VersionInfo ver; 15848 final List<PackageSetting> packages; 15849 synchronized (mPackages) { 15850 ver = mSettings.findOrCreateVersion(vol.fsUuid); 15851 packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15852 } 15853 15854 for (PackageSetting ps : packages) { 15855 synchronized (mInstallLock) { 15856 final PackageParser.Package pkg; 15857 try { 15858 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 15859 loaded.add(pkg.applicationInfo); 15860 } catch (PackageManagerException e) { 15861 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 15862 } 15863 15864 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 15865 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 15866 } 15867 } 15868 } 15869 15870 synchronized (mPackages) { 15871 int updateFlags = UPDATE_PERMISSIONS_ALL; 15872 if (ver.sdkVersion != mSdkVersion) { 15873 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15874 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 15875 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15876 } 15877 updatePermissionsLPw(null, null, vol.fsUuid, updateFlags); 15878 15879 // Yay, everything is now upgraded 15880 ver.forceCurrent(); 15881 15882 mSettings.writeLPr(); 15883 } 15884 15885 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 15886 sendResourcesChangedBroadcast(true, false, loaded, null); 15887 } 15888 15889 private void unloadPrivatePackages(final VolumeInfo vol) { 15890 mHandler.post(new Runnable() { 15891 @Override 15892 public void run() { 15893 unloadPrivatePackagesInner(vol); 15894 } 15895 }); 15896 } 15897 15898 private void unloadPrivatePackagesInner(VolumeInfo vol) { 15899 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 15900 synchronized (mInstallLock) { 15901 synchronized (mPackages) { 15902 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15903 for (PackageSetting ps : packages) { 15904 if (ps.pkg == null) continue; 15905 15906 final ApplicationInfo info = ps.pkg.applicationInfo; 15907 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15908 if (deletePackageLI(ps.name, null, false, null, null, 15909 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 15910 unloaded.add(info); 15911 } else { 15912 Slog.w(TAG, "Failed to unload " + ps.codePath); 15913 } 15914 } 15915 15916 mSettings.writeLPr(); 15917 } 15918 } 15919 15920 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 15921 sendResourcesChangedBroadcast(false, false, unloaded, null); 15922 } 15923 15924 /** 15925 * Examine all users present on given mounted volume, and destroy data 15926 * belonging to users that are no longer valid, or whose user ID has been 15927 * recycled. 15928 */ 15929 private void reconcileUsers(String volumeUuid) { 15930 final File[] files = FileUtils 15931 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 15932 for (File file : files) { 15933 if (!file.isDirectory()) continue; 15934 15935 final int userId; 15936 final UserInfo info; 15937 try { 15938 userId = Integer.parseInt(file.getName()); 15939 info = sUserManager.getUserInfo(userId); 15940 } catch (NumberFormatException e) { 15941 Slog.w(TAG, "Invalid user directory " + file); 15942 continue; 15943 } 15944 15945 boolean destroyUser = false; 15946 if (info == null) { 15947 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15948 + " because no matching user was found"); 15949 destroyUser = true; 15950 } else { 15951 try { 15952 UserManagerService.enforceSerialNumber(file, info.serialNumber); 15953 } catch (IOException e) { 15954 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15955 + " because we failed to enforce serial number: " + e); 15956 destroyUser = true; 15957 } 15958 } 15959 15960 if (destroyUser) { 15961 synchronized (mInstallLock) { 15962 mInstaller.removeUserDataDirs(volumeUuid, userId); 15963 } 15964 } 15965 } 15966 15967 final StorageManager sm = mContext.getSystemService(StorageManager.class); 15968 final UserManager um = mContext.getSystemService(UserManager.class); 15969 for (UserInfo user : um.getUsers()) { 15970 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 15971 if (userDir.exists()) continue; 15972 15973 try { 15974 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber); 15975 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 15976 } catch (IOException e) { 15977 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 15978 } 15979 } 15980 } 15981 15982 /** 15983 * Examine all apps present on given mounted volume, and destroy apps that 15984 * aren't expected, either due to uninstallation or reinstallation on 15985 * another volume. 15986 */ 15987 private void reconcileApps(String volumeUuid) { 15988 final File[] files = FileUtils 15989 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 15990 for (File file : files) { 15991 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 15992 && !PackageInstallerService.isStageName(file.getName()); 15993 if (!isPackage) { 15994 // Ignore entries which are not packages 15995 continue; 15996 } 15997 15998 boolean destroyApp = false; 15999 String packageName = null; 16000 try { 16001 final PackageLite pkg = PackageParser.parsePackageLite(file, 16002 PackageParser.PARSE_MUST_BE_APK); 16003 packageName = pkg.packageName; 16004 16005 synchronized (mPackages) { 16006 final PackageSetting ps = mSettings.mPackages.get(packageName); 16007 if (ps == null) { 16008 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 16009 + volumeUuid + " because we found no install record"); 16010 destroyApp = true; 16011 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16012 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 16013 + volumeUuid + " because we expected it on " + ps.volumeUuid); 16014 destroyApp = true; 16015 } 16016 } 16017 16018 } catch (PackageParserException e) { 16019 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 16020 destroyApp = true; 16021 } 16022 16023 if (destroyApp) { 16024 synchronized (mInstallLock) { 16025 if (packageName != null) { 16026 removeDataDirsLI(volumeUuid, packageName); 16027 } 16028 if (file.isDirectory()) { 16029 mInstaller.rmPackageDir(file.getAbsolutePath()); 16030 } else { 16031 file.delete(); 16032 } 16033 } 16034 } 16035 } 16036 } 16037 16038 private void unfreezePackage(String packageName) { 16039 synchronized (mPackages) { 16040 final PackageSetting ps = mSettings.mPackages.get(packageName); 16041 if (ps != null) { 16042 ps.frozen = false; 16043 } 16044 } 16045 } 16046 16047 @Override 16048 public int movePackage(final String packageName, final String volumeUuid) { 16049 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16050 16051 final int moveId = mNextMoveId.getAndIncrement(); 16052 mHandler.post(new Runnable() { 16053 @Override 16054 public void run() { 16055 try { 16056 movePackageInternal(packageName, volumeUuid, moveId); 16057 } catch (PackageManagerException e) { 16058 Slog.w(TAG, "Failed to move " + packageName, e); 16059 mMoveCallbacks.notifyStatusChanged(moveId, 16060 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16061 } 16062 } 16063 }); 16064 return moveId; 16065 } 16066 16067 private void movePackageInternal(final String packageName, final String volumeUuid, 16068 final int moveId) throws PackageManagerException { 16069 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 16070 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16071 final PackageManager pm = mContext.getPackageManager(); 16072 16073 final boolean currentAsec; 16074 final String currentVolumeUuid; 16075 final File codeFile; 16076 final String installerPackageName; 16077 final String packageAbiOverride; 16078 final int appId; 16079 final String seinfo; 16080 final String label; 16081 16082 // reader 16083 synchronized (mPackages) { 16084 final PackageParser.Package pkg = mPackages.get(packageName); 16085 final PackageSetting ps = mSettings.mPackages.get(packageName); 16086 if (pkg == null || ps == null) { 16087 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 16088 } 16089 16090 if (pkg.applicationInfo.isSystemApp()) { 16091 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 16092 "Cannot move system application"); 16093 } 16094 16095 if (pkg.applicationInfo.isExternalAsec()) { 16096 currentAsec = true; 16097 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 16098 } else if (pkg.applicationInfo.isForwardLocked()) { 16099 currentAsec = true; 16100 currentVolumeUuid = "forward_locked"; 16101 } else { 16102 currentAsec = false; 16103 currentVolumeUuid = ps.volumeUuid; 16104 16105 final File probe = new File(pkg.codePath); 16106 final File probeOat = new File(probe, "oat"); 16107 if (!probe.isDirectory() || !probeOat.isDirectory()) { 16108 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16109 "Move only supported for modern cluster style installs"); 16110 } 16111 } 16112 16113 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 16114 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16115 "Package already moved to " + volumeUuid); 16116 } 16117 16118 if (ps.frozen) { 16119 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 16120 "Failed to move already frozen package"); 16121 } 16122 ps.frozen = true; 16123 16124 codeFile = new File(pkg.codePath); 16125 installerPackageName = ps.installerPackageName; 16126 packageAbiOverride = ps.cpuAbiOverrideString; 16127 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16128 seinfo = pkg.applicationInfo.seinfo; 16129 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 16130 } 16131 16132 // Now that we're guarded by frozen state, kill app during move 16133 final long token = Binder.clearCallingIdentity(); 16134 try { 16135 killApplication(packageName, appId, "move pkg"); 16136 } finally { 16137 Binder.restoreCallingIdentity(token); 16138 } 16139 16140 final Bundle extras = new Bundle(); 16141 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 16142 extras.putString(Intent.EXTRA_TITLE, label); 16143 mMoveCallbacks.notifyCreated(moveId, extras); 16144 16145 int installFlags; 16146 final boolean moveCompleteApp; 16147 final File measurePath; 16148 16149 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16150 installFlags = INSTALL_INTERNAL; 16151 moveCompleteApp = !currentAsec; 16152 measurePath = Environment.getDataAppDirectory(volumeUuid); 16153 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16154 installFlags = INSTALL_EXTERNAL; 16155 moveCompleteApp = false; 16156 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16157 } else { 16158 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16159 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16160 || !volume.isMountedWritable()) { 16161 unfreezePackage(packageName); 16162 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16163 "Move location not mounted private volume"); 16164 } 16165 16166 Preconditions.checkState(!currentAsec); 16167 16168 installFlags = INSTALL_INTERNAL; 16169 moveCompleteApp = true; 16170 measurePath = Environment.getDataAppDirectory(volumeUuid); 16171 } 16172 16173 final PackageStats stats = new PackageStats(null, -1); 16174 synchronized (mInstaller) { 16175 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16176 unfreezePackage(packageName); 16177 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16178 "Failed to measure package size"); 16179 } 16180 } 16181 16182 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16183 + stats.dataSize); 16184 16185 final long startFreeBytes = measurePath.getFreeSpace(); 16186 final long sizeBytes; 16187 if (moveCompleteApp) { 16188 sizeBytes = stats.codeSize + stats.dataSize; 16189 } else { 16190 sizeBytes = stats.codeSize; 16191 } 16192 16193 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16194 unfreezePackage(packageName); 16195 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16196 "Not enough free space to move"); 16197 } 16198 16199 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16200 16201 final CountDownLatch installedLatch = new CountDownLatch(1); 16202 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16203 @Override 16204 public void onUserActionRequired(Intent intent) throws RemoteException { 16205 throw new IllegalStateException(); 16206 } 16207 16208 @Override 16209 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16210 Bundle extras) throws RemoteException { 16211 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16212 + PackageManager.installStatusToString(returnCode, msg)); 16213 16214 installedLatch.countDown(); 16215 16216 // Regardless of success or failure of the move operation, 16217 // always unfreeze the package 16218 unfreezePackage(packageName); 16219 16220 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16221 switch (status) { 16222 case PackageInstaller.STATUS_SUCCESS: 16223 mMoveCallbacks.notifyStatusChanged(moveId, 16224 PackageManager.MOVE_SUCCEEDED); 16225 break; 16226 case PackageInstaller.STATUS_FAILURE_STORAGE: 16227 mMoveCallbacks.notifyStatusChanged(moveId, 16228 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16229 break; 16230 default: 16231 mMoveCallbacks.notifyStatusChanged(moveId, 16232 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16233 break; 16234 } 16235 } 16236 }; 16237 16238 final MoveInfo move; 16239 if (moveCompleteApp) { 16240 // Kick off a thread to report progress estimates 16241 new Thread() { 16242 @Override 16243 public void run() { 16244 while (true) { 16245 try { 16246 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16247 break; 16248 } 16249 } catch (InterruptedException ignored) { 16250 } 16251 16252 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16253 final int progress = 10 + (int) MathUtils.constrain( 16254 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16255 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16256 } 16257 } 16258 }.start(); 16259 16260 final String dataAppName = codeFile.getName(); 16261 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16262 dataAppName, appId, seinfo); 16263 } else { 16264 move = null; 16265 } 16266 16267 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16268 16269 final Message msg = mHandler.obtainMessage(INIT_COPY); 16270 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16271 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 16272 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16273 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 16274 msg.obj = params; 16275 16276 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 16277 System.identityHashCode(msg.obj)); 16278 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 16279 System.identityHashCode(msg.obj)); 16280 16281 mHandler.sendMessage(msg); 16282 } 16283 16284 @Override 16285 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16286 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16287 16288 final int realMoveId = mNextMoveId.getAndIncrement(); 16289 final Bundle extras = new Bundle(); 16290 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16291 mMoveCallbacks.notifyCreated(realMoveId, extras); 16292 16293 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16294 @Override 16295 public void onCreated(int moveId, Bundle extras) { 16296 // Ignored 16297 } 16298 16299 @Override 16300 public void onStatusChanged(int moveId, int status, long estMillis) { 16301 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16302 } 16303 }; 16304 16305 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16306 storage.setPrimaryStorageUuid(volumeUuid, callback); 16307 return realMoveId; 16308 } 16309 16310 @Override 16311 public int getMoveStatus(int moveId) { 16312 mContext.enforceCallingOrSelfPermission( 16313 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16314 return mMoveCallbacks.mLastStatus.get(moveId); 16315 } 16316 16317 @Override 16318 public void registerMoveCallback(IPackageMoveObserver callback) { 16319 mContext.enforceCallingOrSelfPermission( 16320 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16321 mMoveCallbacks.register(callback); 16322 } 16323 16324 @Override 16325 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16326 mContext.enforceCallingOrSelfPermission( 16327 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16328 mMoveCallbacks.unregister(callback); 16329 } 16330 16331 @Override 16332 public boolean setInstallLocation(int loc) { 16333 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16334 null); 16335 if (getInstallLocation() == loc) { 16336 return true; 16337 } 16338 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16339 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16340 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16341 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16342 return true; 16343 } 16344 return false; 16345 } 16346 16347 @Override 16348 public int getInstallLocation() { 16349 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16350 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16351 PackageHelper.APP_INSTALL_AUTO); 16352 } 16353 16354 /** Called by UserManagerService */ 16355 void cleanUpUser(UserManagerService userManager, int userHandle) { 16356 synchronized (mPackages) { 16357 mDirtyUsers.remove(userHandle); 16358 mUserNeedsBadging.delete(userHandle); 16359 mSettings.removeUserLPw(userHandle); 16360 mPendingBroadcasts.remove(userHandle); 16361 } 16362 synchronized (mInstallLock) { 16363 if (mInstaller != null) { 16364 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16365 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16366 final String volumeUuid = vol.getFsUuid(); 16367 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 16368 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 16369 } 16370 } 16371 synchronized (mPackages) { 16372 removeUnusedPackagesLILPw(userManager, userHandle); 16373 } 16374 } 16375 } 16376 16377 /** 16378 * We're removing userHandle and would like to remove any downloaded packages 16379 * that are no longer in use by any other user. 16380 * @param userHandle the user being removed 16381 */ 16382 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 16383 final boolean DEBUG_CLEAN_APKS = false; 16384 int [] users = userManager.getUserIds(); 16385 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 16386 while (psit.hasNext()) { 16387 PackageSetting ps = psit.next(); 16388 if (ps.pkg == null) { 16389 continue; 16390 } 16391 final String packageName = ps.pkg.packageName; 16392 // Skip over if system app 16393 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 16394 continue; 16395 } 16396 if (DEBUG_CLEAN_APKS) { 16397 Slog.i(TAG, "Checking package " + packageName); 16398 } 16399 boolean keep = false; 16400 for (int i = 0; i < users.length; i++) { 16401 if (users[i] != userHandle && ps.getInstalled(users[i])) { 16402 keep = true; 16403 if (DEBUG_CLEAN_APKS) { 16404 Slog.i(TAG, " Keeping package " + packageName + " for user " 16405 + users[i]); 16406 } 16407 break; 16408 } 16409 } 16410 if (!keep) { 16411 if (DEBUG_CLEAN_APKS) { 16412 Slog.i(TAG, " Removing package " + packageName); 16413 } 16414 mHandler.post(new Runnable() { 16415 public void run() { 16416 deletePackageX(packageName, userHandle, 0); 16417 } //end run 16418 }); 16419 } 16420 } 16421 } 16422 16423 /** Called by UserManagerService */ 16424 void createNewUser(int userHandle) { 16425 if (mInstaller != null) { 16426 synchronized (mInstallLock) { 16427 synchronized (mPackages) { 16428 mInstaller.createUserConfig(userHandle); 16429 mSettings.createNewUserLILPw(this, mInstaller, userHandle); 16430 } 16431 } 16432 synchronized (mPackages) { 16433 applyFactoryDefaultBrowserLPw(userHandle); 16434 primeDomainVerificationsLPw(userHandle); 16435 } 16436 } 16437 } 16438 16439 void newUserCreated(final int userHandle) { 16440 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 16441 } 16442 16443 @Override 16444 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 16445 mContext.enforceCallingOrSelfPermission( 16446 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 16447 "Only package verification agents can read the verifier device identity"); 16448 16449 synchronized (mPackages) { 16450 return mSettings.getVerifierDeviceIdentityLPw(); 16451 } 16452 } 16453 16454 @Override 16455 public void setPermissionEnforced(String permission, boolean enforced) { 16456 // TODO: Now that we no longer change GID for storage, this should to away. 16457 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 16458 "setPermissionEnforced"); 16459 if (READ_EXTERNAL_STORAGE.equals(permission)) { 16460 synchronized (mPackages) { 16461 if (mSettings.mReadExternalStorageEnforced == null 16462 || mSettings.mReadExternalStorageEnforced != enforced) { 16463 mSettings.mReadExternalStorageEnforced = enforced; 16464 mSettings.writeLPr(); 16465 } 16466 } 16467 // kill any non-foreground processes so we restart them and 16468 // grant/revoke the GID. 16469 final IActivityManager am = ActivityManagerNative.getDefault(); 16470 if (am != null) { 16471 final long token = Binder.clearCallingIdentity(); 16472 try { 16473 am.killProcessesBelowForeground("setPermissionEnforcement"); 16474 } catch (RemoteException e) { 16475 } finally { 16476 Binder.restoreCallingIdentity(token); 16477 } 16478 } 16479 } else { 16480 throw new IllegalArgumentException("No selective enforcement for " + permission); 16481 } 16482 } 16483 16484 @Override 16485 @Deprecated 16486 public boolean isPermissionEnforced(String permission) { 16487 return true; 16488 } 16489 16490 @Override 16491 public boolean isStorageLow() { 16492 final long token = Binder.clearCallingIdentity(); 16493 try { 16494 final DeviceStorageMonitorInternal 16495 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 16496 if (dsm != null) { 16497 return dsm.isMemoryLow(); 16498 } else { 16499 return false; 16500 } 16501 } finally { 16502 Binder.restoreCallingIdentity(token); 16503 } 16504 } 16505 16506 @Override 16507 public IPackageInstaller getPackageInstaller() { 16508 return mInstallerService; 16509 } 16510 16511 private boolean userNeedsBadging(int userId) { 16512 int index = mUserNeedsBadging.indexOfKey(userId); 16513 if (index < 0) { 16514 final UserInfo userInfo; 16515 final long token = Binder.clearCallingIdentity(); 16516 try { 16517 userInfo = sUserManager.getUserInfo(userId); 16518 } finally { 16519 Binder.restoreCallingIdentity(token); 16520 } 16521 final boolean b; 16522 if (userInfo != null && userInfo.isManagedProfile()) { 16523 b = true; 16524 } else { 16525 b = false; 16526 } 16527 mUserNeedsBadging.put(userId, b); 16528 return b; 16529 } 16530 return mUserNeedsBadging.valueAt(index); 16531 } 16532 16533 @Override 16534 public KeySet getKeySetByAlias(String packageName, String alias) { 16535 if (packageName == null || alias == null) { 16536 return null; 16537 } 16538 synchronized(mPackages) { 16539 final PackageParser.Package pkg = mPackages.get(packageName); 16540 if (pkg == null) { 16541 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16542 throw new IllegalArgumentException("Unknown package: " + packageName); 16543 } 16544 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16545 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 16546 } 16547 } 16548 16549 @Override 16550 public KeySet getSigningKeySet(String packageName) { 16551 if (packageName == null) { 16552 return null; 16553 } 16554 synchronized(mPackages) { 16555 final PackageParser.Package pkg = mPackages.get(packageName); 16556 if (pkg == null) { 16557 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16558 throw new IllegalArgumentException("Unknown package: " + packageName); 16559 } 16560 if (pkg.applicationInfo.uid != Binder.getCallingUid() 16561 && Process.SYSTEM_UID != Binder.getCallingUid()) { 16562 throw new SecurityException("May not access signing KeySet of other apps."); 16563 } 16564 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16565 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 16566 } 16567 } 16568 16569 @Override 16570 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 16571 if (packageName == null || ks == null) { 16572 return false; 16573 } 16574 synchronized(mPackages) { 16575 final PackageParser.Package pkg = mPackages.get(packageName); 16576 if (pkg == null) { 16577 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16578 throw new IllegalArgumentException("Unknown package: " + packageName); 16579 } 16580 IBinder ksh = ks.getToken(); 16581 if (ksh instanceof KeySetHandle) { 16582 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16583 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 16584 } 16585 return false; 16586 } 16587 } 16588 16589 @Override 16590 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 16591 if (packageName == null || ks == null) { 16592 return false; 16593 } 16594 synchronized(mPackages) { 16595 final PackageParser.Package pkg = mPackages.get(packageName); 16596 if (pkg == null) { 16597 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16598 throw new IllegalArgumentException("Unknown package: " + packageName); 16599 } 16600 IBinder ksh = ks.getToken(); 16601 if (ksh instanceof KeySetHandle) { 16602 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16603 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 16604 } 16605 return false; 16606 } 16607 } 16608 16609 /** 16610 * Check and throw if the given before/after packages would be considered a 16611 * downgrade. 16612 */ 16613 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 16614 throws PackageManagerException { 16615 if (after.versionCode < before.mVersionCode) { 16616 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16617 "Update version code " + after.versionCode + " is older than current " 16618 + before.mVersionCode); 16619 } else if (after.versionCode == before.mVersionCode) { 16620 if (after.baseRevisionCode < before.baseRevisionCode) { 16621 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16622 "Update base revision code " + after.baseRevisionCode 16623 + " is older than current " + before.baseRevisionCode); 16624 } 16625 16626 if (!ArrayUtils.isEmpty(after.splitNames)) { 16627 for (int i = 0; i < after.splitNames.length; i++) { 16628 final String splitName = after.splitNames[i]; 16629 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 16630 if (j != -1) { 16631 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 16632 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16633 "Update split " + splitName + " revision code " 16634 + after.splitRevisionCodes[i] + " is older than current " 16635 + before.splitRevisionCodes[j]); 16636 } 16637 } 16638 } 16639 } 16640 } 16641 } 16642 16643 private static class MoveCallbacks extends Handler { 16644 private static final int MSG_CREATED = 1; 16645 private static final int MSG_STATUS_CHANGED = 2; 16646 16647 private final RemoteCallbackList<IPackageMoveObserver> 16648 mCallbacks = new RemoteCallbackList<>(); 16649 16650 private final SparseIntArray mLastStatus = new SparseIntArray(); 16651 16652 public MoveCallbacks(Looper looper) { 16653 super(looper); 16654 } 16655 16656 public void register(IPackageMoveObserver callback) { 16657 mCallbacks.register(callback); 16658 } 16659 16660 public void unregister(IPackageMoveObserver callback) { 16661 mCallbacks.unregister(callback); 16662 } 16663 16664 @Override 16665 public void handleMessage(Message msg) { 16666 final SomeArgs args = (SomeArgs) msg.obj; 16667 final int n = mCallbacks.beginBroadcast(); 16668 for (int i = 0; i < n; i++) { 16669 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 16670 try { 16671 invokeCallback(callback, msg.what, args); 16672 } catch (RemoteException ignored) { 16673 } 16674 } 16675 mCallbacks.finishBroadcast(); 16676 args.recycle(); 16677 } 16678 16679 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 16680 throws RemoteException { 16681 switch (what) { 16682 case MSG_CREATED: { 16683 callback.onCreated(args.argi1, (Bundle) args.arg2); 16684 break; 16685 } 16686 case MSG_STATUS_CHANGED: { 16687 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 16688 break; 16689 } 16690 } 16691 } 16692 16693 private void notifyCreated(int moveId, Bundle extras) { 16694 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 16695 16696 final SomeArgs args = SomeArgs.obtain(); 16697 args.argi1 = moveId; 16698 args.arg2 = extras; 16699 obtainMessage(MSG_CREATED, args).sendToTarget(); 16700 } 16701 16702 private void notifyStatusChanged(int moveId, int status) { 16703 notifyStatusChanged(moveId, status, -1); 16704 } 16705 16706 private void notifyStatusChanged(int moveId, int status, long estMillis) { 16707 Slog.v(TAG, "Move " + moveId + " status " + status); 16708 16709 final SomeArgs args = SomeArgs.obtain(); 16710 args.argi1 = moveId; 16711 args.argi2 = status; 16712 args.arg3 = estMillis; 16713 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 16714 16715 synchronized (mLastStatus) { 16716 mLastStatus.put(moveId, status); 16717 } 16718 } 16719 } 16720 16721 private final class OnPermissionChangeListeners extends Handler { 16722 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 16723 16724 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 16725 new RemoteCallbackList<>(); 16726 16727 public OnPermissionChangeListeners(Looper looper) { 16728 super(looper); 16729 } 16730 16731 @Override 16732 public void handleMessage(Message msg) { 16733 switch (msg.what) { 16734 case MSG_ON_PERMISSIONS_CHANGED: { 16735 final int uid = msg.arg1; 16736 handleOnPermissionsChanged(uid); 16737 } break; 16738 } 16739 } 16740 16741 public void addListenerLocked(IOnPermissionsChangeListener listener) { 16742 mPermissionListeners.register(listener); 16743 16744 } 16745 16746 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 16747 mPermissionListeners.unregister(listener); 16748 } 16749 16750 public void onPermissionsChanged(int uid) { 16751 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 16752 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 16753 } 16754 } 16755 16756 private void handleOnPermissionsChanged(int uid) { 16757 final int count = mPermissionListeners.beginBroadcast(); 16758 try { 16759 for (int i = 0; i < count; i++) { 16760 IOnPermissionsChangeListener callback = mPermissionListeners 16761 .getBroadcastItem(i); 16762 try { 16763 callback.onPermissionsChanged(uid); 16764 } catch (RemoteException e) { 16765 Log.e(TAG, "Permission listener is dead", e); 16766 } 16767 } 16768 } finally { 16769 mPermissionListeners.finishBroadcast(); 16770 } 16771 } 16772 } 16773 16774 private class PackageManagerInternalImpl extends PackageManagerInternal { 16775 @Override 16776 public void setLocationPackagesProvider(PackagesProvider provider) { 16777 synchronized (mPackages) { 16778 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 16779 } 16780 } 16781 16782 @Override 16783 public void setImePackagesProvider(PackagesProvider provider) { 16784 synchronized (mPackages) { 16785 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 16786 } 16787 } 16788 16789 @Override 16790 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 16791 synchronized (mPackages) { 16792 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 16793 } 16794 } 16795 16796 @Override 16797 public void setSmsAppPackagesProvider(PackagesProvider provider) { 16798 synchronized (mPackages) { 16799 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 16800 } 16801 } 16802 16803 @Override 16804 public void setDialerAppPackagesProvider(PackagesProvider provider) { 16805 synchronized (mPackages) { 16806 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 16807 } 16808 } 16809 16810 @Override 16811 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 16812 synchronized (mPackages) { 16813 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 16814 } 16815 } 16816 16817 @Override 16818 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 16819 synchronized (mPackages) { 16820 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 16821 } 16822 } 16823 16824 @Override 16825 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 16826 synchronized (mPackages) { 16827 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 16828 packageName, userId); 16829 } 16830 } 16831 16832 @Override 16833 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 16834 synchronized (mPackages) { 16835 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 16836 packageName, userId); 16837 } 16838 } 16839 @Override 16840 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 16841 synchronized (mPackages) { 16842 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 16843 packageName, userId); 16844 } 16845 } 16846 } 16847 16848 @Override 16849 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 16850 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 16851 synchronized (mPackages) { 16852 final long identity = Binder.clearCallingIdentity(); 16853 try { 16854 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 16855 packageNames, userId); 16856 } finally { 16857 Binder.restoreCallingIdentity(identity); 16858 } 16859 } 16860 } 16861 16862 private static void enforceSystemOrPhoneCaller(String tag) { 16863 int callingUid = Binder.getCallingUid(); 16864 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 16865 throw new SecurityException( 16866 "Cannot call " + tag + " from UID " + callingUid); 16867 } 16868 } 16869} 16870