PackageManagerService.java revision 12705131b95d5d6bcfae79d7991ff3e6f02457e4
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 34import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 35import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 36import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 37import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 39import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 40import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 44import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 45import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 46import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 47import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 49import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 63import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 64import static android.content.pm.PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 65import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 66import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 67import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 68import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 69import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 70import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 71import static android.content.pm.PackageManager.PERMISSION_DENIED; 72import static android.content.pm.PackageManager.PERMISSION_GRANTED; 73import static android.content.pm.PackageParser.isApkFile; 74import static android.os.Process.PACKAGE_INFO_GID; 75import static android.os.Process.SYSTEM_UID; 76import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 77import static android.system.OsConstants.O_CREAT; 78import static android.system.OsConstants.O_RDWR; 79 80import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 81import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 82import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 83import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 84import static com.android.internal.util.ArrayUtils.appendInt; 85import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 86import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 87import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 88import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 89import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 90import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 91import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 92import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 93import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 94 95import android.Manifest; 96import android.annotation.NonNull; 97import android.annotation.Nullable; 98import android.app.ActivityManager; 99import android.app.ActivityManagerNative; 100import android.app.AppGlobals; 101import android.app.IActivityManager; 102import android.app.admin.IDevicePolicyManager; 103import android.app.backup.IBackupManager; 104import android.content.BroadcastReceiver; 105import android.content.ComponentName; 106import android.content.Context; 107import android.content.IIntentReceiver; 108import android.content.Intent; 109import android.content.IntentFilter; 110import android.content.IntentSender; 111import android.content.IntentSender.SendIntentException; 112import android.content.ServiceConnection; 113import android.content.pm.ActivityInfo; 114import android.content.pm.ApplicationInfo; 115import android.content.pm.AppsQueryHelper; 116import android.content.pm.ComponentInfo; 117import android.content.pm.EphemeralApplicationInfo; 118import android.content.pm.EphemeralResolveInfo; 119import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 120import android.content.pm.FeatureInfo; 121import android.content.pm.IOnPermissionsChangeListener; 122import android.content.pm.IPackageDataObserver; 123import android.content.pm.IPackageDeleteObserver; 124import android.content.pm.IPackageDeleteObserver2; 125import android.content.pm.IPackageInstallObserver2; 126import android.content.pm.IPackageInstaller; 127import android.content.pm.IPackageManager; 128import android.content.pm.IPackageMoveObserver; 129import android.content.pm.IPackageStatsObserver; 130import android.content.pm.InstrumentationInfo; 131import android.content.pm.IntentFilterVerificationInfo; 132import android.content.pm.KeySet; 133import android.content.pm.PackageCleanItem; 134import android.content.pm.PackageInfo; 135import android.content.pm.PackageInfoLite; 136import android.content.pm.PackageInstaller; 137import android.content.pm.PackageManager; 138import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 139import android.content.pm.PackageManagerInternal; 140import android.content.pm.PackageParser; 141import android.content.pm.PackageParser.ActivityIntentInfo; 142import android.content.pm.PackageParser.PackageLite; 143import android.content.pm.PackageParser.PackageParserException; 144import android.content.pm.PackageStats; 145import android.content.pm.PackageUserState; 146import android.content.pm.ParceledListSlice; 147import android.content.pm.PermissionGroupInfo; 148import android.content.pm.PermissionInfo; 149import android.content.pm.ProviderInfo; 150import android.content.pm.ResolveInfo; 151import android.content.pm.ServiceInfo; 152import android.content.pm.Signature; 153import android.content.pm.UserInfo; 154import android.content.pm.VerificationParams; 155import android.content.pm.VerifierDeviceIdentity; 156import android.content.pm.VerifierInfo; 157import android.content.res.Resources; 158import android.graphics.Bitmap; 159import android.hardware.display.DisplayManager; 160import android.net.Uri; 161import android.os.Binder; 162import android.os.Build; 163import android.os.Bundle; 164import android.os.Debug; 165import android.os.Environment; 166import android.os.Environment.UserEnvironment; 167import android.os.FileUtils; 168import android.os.Handler; 169import android.os.IBinder; 170import android.os.Looper; 171import android.os.Message; 172import android.os.Parcel; 173import android.os.ParcelFileDescriptor; 174import android.os.Process; 175import android.os.RemoteCallbackList; 176import android.os.RemoteException; 177import android.os.ResultReceiver; 178import android.os.SELinux; 179import android.os.ServiceManager; 180import android.os.SystemClock; 181import android.os.SystemProperties; 182import android.os.Trace; 183import android.os.UserHandle; 184import android.os.UserManager; 185import android.os.storage.IMountService; 186import android.os.storage.MountServiceInternal; 187import android.os.storage.StorageEventListener; 188import android.os.storage.StorageManager; 189import android.os.storage.VolumeInfo; 190import android.os.storage.VolumeRecord; 191import android.security.KeyStore; 192import android.security.SystemKeyStore; 193import android.system.ErrnoException; 194import android.system.Os; 195import android.system.StructStat; 196import android.text.TextUtils; 197import android.text.format.DateUtils; 198import android.util.ArrayMap; 199import android.util.ArraySet; 200import android.util.AtomicFile; 201import android.util.DisplayMetrics; 202import android.util.EventLog; 203import android.util.ExceptionUtils; 204import android.util.Log; 205import android.util.LogPrinter; 206import android.util.MathUtils; 207import android.util.PrintStreamPrinter; 208import android.util.Slog; 209import android.util.SparseArray; 210import android.util.SparseBooleanArray; 211import android.util.SparseIntArray; 212import android.util.Xml; 213import android.view.Display; 214 215import com.android.internal.R; 216import com.android.internal.annotations.GuardedBy; 217import com.android.internal.app.IMediaContainerService; 218import com.android.internal.app.ResolverActivity; 219import com.android.internal.content.NativeLibraryHelper; 220import com.android.internal.content.PackageHelper; 221import com.android.internal.os.IParcelFileDescriptorFactory; 222import com.android.internal.os.SomeArgs; 223import com.android.internal.os.Zygote; 224import com.android.internal.util.ArrayUtils; 225import com.android.internal.util.FastPrintWriter; 226import com.android.internal.util.FastXmlSerializer; 227import com.android.internal.util.IndentingPrintWriter; 228import com.android.internal.util.Preconditions; 229import com.android.server.EventLogTags; 230import com.android.server.FgThread; 231import com.android.server.IntentResolver; 232import com.android.server.LocalServices; 233import com.android.server.ServiceThread; 234import com.android.server.SystemConfig; 235import com.android.server.Watchdog; 236import com.android.server.pm.PermissionsState.PermissionState; 237import com.android.server.pm.Settings.DatabaseVersion; 238import com.android.server.pm.Settings.VersionInfo; 239import com.android.server.storage.DeviceStorageMonitorInternal; 240 241import dalvik.system.DexFile; 242import dalvik.system.VMRuntime; 243 244import libcore.io.IoUtils; 245import libcore.util.EmptyArray; 246 247import org.xmlpull.v1.XmlPullParser; 248import org.xmlpull.v1.XmlPullParserException; 249import org.xmlpull.v1.XmlSerializer; 250 251import java.io.BufferedInputStream; 252import java.io.BufferedOutputStream; 253import java.io.BufferedReader; 254import java.io.ByteArrayInputStream; 255import java.io.ByteArrayOutputStream; 256import java.io.File; 257import java.io.FileDescriptor; 258import java.io.FileNotFoundException; 259import java.io.FileOutputStream; 260import java.io.FileReader; 261import java.io.FilenameFilter; 262import java.io.IOException; 263import java.io.InputStream; 264import java.io.PrintWriter; 265import java.nio.charset.StandardCharsets; 266import java.security.MessageDigest; 267import java.security.NoSuchAlgorithmException; 268import java.security.PublicKey; 269import java.security.cert.CertificateEncodingException; 270import java.security.cert.CertificateException; 271import java.text.SimpleDateFormat; 272import java.util.ArrayList; 273import java.util.Arrays; 274import java.util.Collection; 275import java.util.Collections; 276import java.util.Comparator; 277import java.util.Date; 278import java.util.Iterator; 279import java.util.List; 280import java.util.Map; 281import java.util.Objects; 282import java.util.Set; 283import java.util.concurrent.CountDownLatch; 284import java.util.concurrent.TimeUnit; 285import java.util.concurrent.atomic.AtomicBoolean; 286import java.util.concurrent.atomic.AtomicInteger; 287import java.util.concurrent.atomic.AtomicLong; 288 289/** 290 * Keep track of all those .apks everywhere. 291 * 292 * This is very central to the platform's security; please run the unit 293 * tests whenever making modifications here: 294 * 295runtest -c android.content.pm.PackageManagerTests frameworks-core 296 * 297 * {@hide} 298 */ 299public class PackageManagerService extends IPackageManager.Stub { 300 static final String TAG = "PackageManager"; 301 static final boolean DEBUG_SETTINGS = false; 302 static final boolean DEBUG_PREFERRED = false; 303 static final boolean DEBUG_UPGRADE = false; 304 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 305 private static final boolean DEBUG_BACKUP = false; 306 private static final boolean DEBUG_INSTALL = false; 307 private static final boolean DEBUG_REMOVE = false; 308 private static final boolean DEBUG_BROADCASTS = false; 309 private static final boolean DEBUG_SHOW_INFO = false; 310 private static final boolean DEBUG_PACKAGE_INFO = false; 311 private static final boolean DEBUG_INTENT_MATCHING = false; 312 private static final boolean DEBUG_PACKAGE_SCANNING = false; 313 private static final boolean DEBUG_VERIFY = false; 314 private static final boolean DEBUG_DEXOPT = false; 315 private static final boolean DEBUG_ABI_SELECTION = false; 316 private static final boolean DEBUG_EPHEMERAL = false; 317 private static final boolean DEBUG_TRIAGED_MISSING = false; 318 319 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 320 321 private static final boolean DISABLE_EPHEMERAL_APPS = true; 322 323 private static final int RADIO_UID = Process.PHONE_UID; 324 private static final int LOG_UID = Process.LOG_UID; 325 private static final int NFC_UID = Process.NFC_UID; 326 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 327 private static final int SHELL_UID = Process.SHELL_UID; 328 329 // Cap the size of permission trees that 3rd party apps can define 330 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 331 332 // Suffix used during package installation when copying/moving 333 // package apks to install directory. 334 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 335 336 static final int SCAN_NO_DEX = 1<<1; 337 static final int SCAN_FORCE_DEX = 1<<2; 338 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 339 static final int SCAN_NEW_INSTALL = 1<<4; 340 static final int SCAN_NO_PATHS = 1<<5; 341 static final int SCAN_UPDATE_TIME = 1<<6; 342 static final int SCAN_DEFER_DEX = 1<<7; 343 static final int SCAN_BOOTING = 1<<8; 344 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 345 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 346 static final int SCAN_REPLACING = 1<<11; 347 static final int SCAN_REQUIRE_KNOWN = 1<<12; 348 static final int SCAN_MOVE = 1<<13; 349 static final int SCAN_INITIAL = 1<<14; 350 351 static final int REMOVE_CHATTY = 1<<16; 352 353 private static final int[] EMPTY_INT_ARRAY = new int[0]; 354 355 /** 356 * Timeout (in milliseconds) after which the watchdog should declare that 357 * our handler thread is wedged. The usual default for such things is one 358 * minute but we sometimes do very lengthy I/O operations on this thread, 359 * such as installing multi-gigabyte applications, so ours needs to be longer. 360 */ 361 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 362 363 /** 364 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 365 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 366 * settings entry if available, otherwise we use the hardcoded default. If it's been 367 * more than this long since the last fstrim, we force one during the boot sequence. 368 * 369 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 370 * one gets run at the next available charging+idle time. This final mandatory 371 * no-fstrim check kicks in only of the other scheduling criteria is never met. 372 */ 373 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 374 375 /** 376 * Whether verification is enabled by default. 377 */ 378 private static final boolean DEFAULT_VERIFY_ENABLE = true; 379 380 /** 381 * The default maximum time to wait for the verification agent to return in 382 * milliseconds. 383 */ 384 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 385 386 /** 387 * The default response for package verification timeout. 388 * 389 * This can be either PackageManager.VERIFICATION_ALLOW or 390 * PackageManager.VERIFICATION_REJECT. 391 */ 392 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 393 394 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 395 396 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 397 DEFAULT_CONTAINER_PACKAGE, 398 "com.android.defcontainer.DefaultContainerService"); 399 400 private static final String KILL_APP_REASON_GIDS_CHANGED = 401 "permission grant or revoke changed gids"; 402 403 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 404 "permissions revoked"; 405 406 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 407 408 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 409 410 /** Permission grant: not grant the permission. */ 411 private static final int GRANT_DENIED = 1; 412 413 /** Permission grant: grant the permission as an install permission. */ 414 private static final int GRANT_INSTALL = 2; 415 416 /** Permission grant: grant the permission as a runtime one. */ 417 private static final int GRANT_RUNTIME = 3; 418 419 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 420 private static final int GRANT_UPGRADE = 4; 421 422 /** Canonical intent used to identify what counts as a "web browser" app */ 423 private static final Intent sBrowserIntent; 424 static { 425 sBrowserIntent = new Intent(); 426 sBrowserIntent.setAction(Intent.ACTION_VIEW); 427 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 428 sBrowserIntent.setData(Uri.parse("http:")); 429 } 430 431 final ServiceThread mHandlerThread; 432 433 final PackageHandler mHandler; 434 435 /** 436 * Messages for {@link #mHandler} that need to wait for system ready before 437 * being dispatched. 438 */ 439 private ArrayList<Message> mPostSystemReadyMessages; 440 441 final int mSdkVersion = Build.VERSION.SDK_INT; 442 443 final Context mContext; 444 final boolean mFactoryTest; 445 final boolean mOnlyCore; 446 final DisplayMetrics mMetrics; 447 final int mDefParseFlags; 448 final String[] mSeparateProcesses; 449 final boolean mIsUpgrade; 450 451 /** The location for ASEC container files on internal storage. */ 452 final String mAsecInternalPath; 453 454 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 455 // LOCK HELD. Can be called with mInstallLock held. 456 @GuardedBy("mInstallLock") 457 final Installer mInstaller; 458 459 /** Directory where installed third-party apps stored */ 460 final File mAppInstallDir; 461 final File mEphemeralInstallDir; 462 463 /** 464 * Directory to which applications installed internally have their 465 * 32 bit native libraries copied. 466 */ 467 private File mAppLib32InstallDir; 468 469 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 470 // apps. 471 final File mDrmAppPrivateInstallDir; 472 473 // ---------------------------------------------------------------- 474 475 // Lock for state used when installing and doing other long running 476 // operations. Methods that must be called with this lock held have 477 // the suffix "LI". 478 final Object mInstallLock = new Object(); 479 480 // ---------------------------------------------------------------- 481 482 // Keys are String (package name), values are Package. This also serves 483 // as the lock for the global state. Methods that must be called with 484 // this lock held have the prefix "LP". 485 @GuardedBy("mPackages") 486 final ArrayMap<String, PackageParser.Package> mPackages = 487 new ArrayMap<String, PackageParser.Package>(); 488 489 // Tracks available target package names -> overlay package paths. 490 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 491 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 492 493 /** 494 * Tracks new system packages [received in an OTA] that we expect to 495 * find updated user-installed versions. Keys are package name, values 496 * are package location. 497 */ 498 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 499 500 /** 501 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 502 */ 503 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 504 /** 505 * Whether or not system app permissions should be promoted from install to runtime. 506 */ 507 boolean mPromoteSystemApps; 508 509 final Settings mSettings; 510 boolean mRestoredSettings; 511 512 // System configuration read by SystemConfig. 513 final int[] mGlobalGids; 514 final SparseArray<ArraySet<String>> mSystemPermissions; 515 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 516 517 // If mac_permissions.xml was found for seinfo labeling. 518 boolean mFoundPolicyFile; 519 520 // If a recursive restorecon of /data/data/<pkg> is needed. 521 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 522 523 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 524 525 public static final class SharedLibraryEntry { 526 public final String path; 527 public final String apk; 528 529 SharedLibraryEntry(String _path, String _apk) { 530 path = _path; 531 apk = _apk; 532 } 533 } 534 535 // Currently known shared libraries. 536 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 537 new ArrayMap<String, SharedLibraryEntry>(); 538 539 // All available activities, for your resolving pleasure. 540 final ActivityIntentResolver mActivities = 541 new ActivityIntentResolver(); 542 543 // All available receivers, for your resolving pleasure. 544 final ActivityIntentResolver mReceivers = 545 new ActivityIntentResolver(); 546 547 // All available services, for your resolving pleasure. 548 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 549 550 // All available providers, for your resolving pleasure. 551 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 552 553 // Mapping from provider base names (first directory in content URI codePath) 554 // to the provider information. 555 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 556 new ArrayMap<String, PackageParser.Provider>(); 557 558 // Mapping from instrumentation class names to info about them. 559 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 560 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 561 562 // Mapping from permission names to info about them. 563 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 564 new ArrayMap<String, PackageParser.PermissionGroup>(); 565 566 // Packages whose data we have transfered into another package, thus 567 // should no longer exist. 568 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 569 570 // Broadcast actions that are only available to the system. 571 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 572 573 /** List of packages waiting for verification. */ 574 final SparseArray<PackageVerificationState> mPendingVerification 575 = new SparseArray<PackageVerificationState>(); 576 577 /** Set of packages associated with each app op permission. */ 578 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 579 580 final PackageInstallerService mInstallerService; 581 582 private final PackageDexOptimizer mPackageDexOptimizer; 583 584 private AtomicInteger mNextMoveId = new AtomicInteger(); 585 private final MoveCallbacks mMoveCallbacks; 586 587 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 588 589 // Cache of users who need badging. 590 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 591 592 /** Token for keys in mPendingVerification. */ 593 private int mPendingVerificationToken = 0; 594 595 volatile boolean mSystemReady; 596 volatile boolean mSafeMode; 597 volatile boolean mHasSystemUidErrors; 598 599 ApplicationInfo mAndroidApplication; 600 final ActivityInfo mResolveActivity = new ActivityInfo(); 601 final ResolveInfo mResolveInfo = new ResolveInfo(); 602 ComponentName mResolveComponentName; 603 PackageParser.Package mPlatformPackage; 604 ComponentName mCustomResolverComponentName; 605 606 boolean mResolverReplaced = false; 607 608 private final @Nullable ComponentName mIntentFilterVerifierComponent; 609 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 610 611 private int mIntentFilterVerificationToken = 0; 612 613 /** Component that knows whether or not an ephemeral application exists */ 614 final ComponentName mEphemeralResolverComponent; 615 /** The service connection to the ephemeral resolver */ 616 final EphemeralResolverConnection mEphemeralResolverConnection; 617 618 /** Component used to install ephemeral applications */ 619 final ComponentName mEphemeralInstallerComponent; 620 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 621 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 622 623 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 624 = new SparseArray<IntentFilterVerificationState>(); 625 626 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 627 new DefaultPermissionGrantPolicy(this); 628 629 // List of packages names to keep cached, even if they are uninstalled for all users 630 private List<String> mKeepUninstalledPackages; 631 632 private static class IFVerificationParams { 633 PackageParser.Package pkg; 634 boolean replacing; 635 int userId; 636 int verifierUid; 637 638 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 639 int _userId, int _verifierUid) { 640 pkg = _pkg; 641 replacing = _replacing; 642 userId = _userId; 643 replacing = _replacing; 644 verifierUid = _verifierUid; 645 } 646 } 647 648 private interface IntentFilterVerifier<T extends IntentFilter> { 649 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 650 T filter, String packageName); 651 void startVerifications(int userId); 652 void receiveVerificationResponse(int verificationId); 653 } 654 655 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 656 private Context mContext; 657 private ComponentName mIntentFilterVerifierComponent; 658 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 659 660 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 661 mContext = context; 662 mIntentFilterVerifierComponent = verifierComponent; 663 } 664 665 private String getDefaultScheme() { 666 return IntentFilter.SCHEME_HTTPS; 667 } 668 669 @Override 670 public void startVerifications(int userId) { 671 // Launch verifications requests 672 int count = mCurrentIntentFilterVerifications.size(); 673 for (int n=0; n<count; n++) { 674 int verificationId = mCurrentIntentFilterVerifications.get(n); 675 final IntentFilterVerificationState ivs = 676 mIntentFilterVerificationStates.get(verificationId); 677 678 String packageName = ivs.getPackageName(); 679 680 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 681 final int filterCount = filters.size(); 682 ArraySet<String> domainsSet = new ArraySet<>(); 683 for (int m=0; m<filterCount; m++) { 684 PackageParser.ActivityIntentInfo filter = filters.get(m); 685 domainsSet.addAll(filter.getHostsList()); 686 } 687 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 688 synchronized (mPackages) { 689 if (mSettings.createIntentFilterVerificationIfNeededLPw( 690 packageName, domainsList) != null) { 691 scheduleWriteSettingsLocked(); 692 } 693 } 694 sendVerificationRequest(userId, verificationId, ivs); 695 } 696 mCurrentIntentFilterVerifications.clear(); 697 } 698 699 private void sendVerificationRequest(int userId, int verificationId, 700 IntentFilterVerificationState ivs) { 701 702 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 703 verificationIntent.putExtra( 704 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 705 verificationId); 706 verificationIntent.putExtra( 707 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 708 getDefaultScheme()); 709 verificationIntent.putExtra( 710 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 711 ivs.getHostsString()); 712 verificationIntent.putExtra( 713 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 714 ivs.getPackageName()); 715 verificationIntent.setComponent(mIntentFilterVerifierComponent); 716 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 717 718 UserHandle user = new UserHandle(userId); 719 mContext.sendBroadcastAsUser(verificationIntent, user); 720 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 721 "Sending IntentFilter verification broadcast"); 722 } 723 724 public void receiveVerificationResponse(int verificationId) { 725 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 726 727 final boolean verified = ivs.isVerified(); 728 729 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 730 final int count = filters.size(); 731 if (DEBUG_DOMAIN_VERIFICATION) { 732 Slog.i(TAG, "Received verification response " + verificationId 733 + " for " + count + " filters, verified=" + verified); 734 } 735 for (int n=0; n<count; n++) { 736 PackageParser.ActivityIntentInfo filter = filters.get(n); 737 filter.setVerified(verified); 738 739 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 740 + " verified with result:" + verified + " and hosts:" 741 + ivs.getHostsString()); 742 } 743 744 mIntentFilterVerificationStates.remove(verificationId); 745 746 final String packageName = ivs.getPackageName(); 747 IntentFilterVerificationInfo ivi = null; 748 749 synchronized (mPackages) { 750 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 751 } 752 if (ivi == null) { 753 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 754 + verificationId + " packageName:" + packageName); 755 return; 756 } 757 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 758 "Updating IntentFilterVerificationInfo for package " + packageName 759 +" verificationId:" + verificationId); 760 761 synchronized (mPackages) { 762 if (verified) { 763 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 764 } else { 765 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 766 } 767 scheduleWriteSettingsLocked(); 768 769 final int userId = ivs.getUserId(); 770 if (userId != UserHandle.USER_ALL) { 771 final int userStatus = 772 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 773 774 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 775 boolean needUpdate = false; 776 777 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 778 // already been set by the User thru the Disambiguation dialog 779 switch (userStatus) { 780 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 781 if (verified) { 782 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 783 } else { 784 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 785 } 786 needUpdate = true; 787 break; 788 789 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 790 if (verified) { 791 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 792 needUpdate = true; 793 } 794 break; 795 796 default: 797 // Nothing to do 798 } 799 800 if (needUpdate) { 801 mSettings.updateIntentFilterVerificationStatusLPw( 802 packageName, updatedStatus, userId); 803 scheduleWritePackageRestrictionsLocked(userId); 804 } 805 } 806 } 807 } 808 809 @Override 810 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 811 ActivityIntentInfo filter, String packageName) { 812 if (!hasValidDomains(filter)) { 813 return false; 814 } 815 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 816 if (ivs == null) { 817 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 818 packageName); 819 } 820 if (DEBUG_DOMAIN_VERIFICATION) { 821 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 822 } 823 ivs.addFilter(filter); 824 return true; 825 } 826 827 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 828 int userId, int verificationId, String packageName) { 829 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 830 verifierUid, userId, packageName); 831 ivs.setPendingState(); 832 synchronized (mPackages) { 833 mIntentFilterVerificationStates.append(verificationId, ivs); 834 mCurrentIntentFilterVerifications.add(verificationId); 835 } 836 return ivs; 837 } 838 } 839 840 private static boolean hasValidDomains(ActivityIntentInfo filter) { 841 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 842 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 843 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 844 } 845 846 // Set of pending broadcasts for aggregating enable/disable of components. 847 static class PendingPackageBroadcasts { 848 // for each user id, a map of <package name -> components within that package> 849 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 850 851 public PendingPackageBroadcasts() { 852 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 853 } 854 855 public ArrayList<String> get(int userId, String packageName) { 856 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 857 return packages.get(packageName); 858 } 859 860 public void put(int userId, String packageName, ArrayList<String> components) { 861 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 862 packages.put(packageName, components); 863 } 864 865 public void remove(int userId, String packageName) { 866 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 867 if (packages != null) { 868 packages.remove(packageName); 869 } 870 } 871 872 public void remove(int userId) { 873 mUidMap.remove(userId); 874 } 875 876 public int userIdCount() { 877 return mUidMap.size(); 878 } 879 880 public int userIdAt(int n) { 881 return mUidMap.keyAt(n); 882 } 883 884 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 885 return mUidMap.get(userId); 886 } 887 888 public int size() { 889 // total number of pending broadcast entries across all userIds 890 int num = 0; 891 for (int i = 0; i< mUidMap.size(); i++) { 892 num += mUidMap.valueAt(i).size(); 893 } 894 return num; 895 } 896 897 public void clear() { 898 mUidMap.clear(); 899 } 900 901 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 902 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 903 if (map == null) { 904 map = new ArrayMap<String, ArrayList<String>>(); 905 mUidMap.put(userId, map); 906 } 907 return map; 908 } 909 } 910 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 911 912 // Service Connection to remote media container service to copy 913 // package uri's from external media onto secure containers 914 // or internal storage. 915 private IMediaContainerService mContainerService = null; 916 917 static final int SEND_PENDING_BROADCAST = 1; 918 static final int MCS_BOUND = 3; 919 static final int END_COPY = 4; 920 static final int INIT_COPY = 5; 921 static final int MCS_UNBIND = 6; 922 static final int START_CLEANING_PACKAGE = 7; 923 static final int FIND_INSTALL_LOC = 8; 924 static final int POST_INSTALL = 9; 925 static final int MCS_RECONNECT = 10; 926 static final int MCS_GIVE_UP = 11; 927 static final int UPDATED_MEDIA_STATUS = 12; 928 static final int WRITE_SETTINGS = 13; 929 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 930 static final int PACKAGE_VERIFIED = 15; 931 static final int CHECK_PENDING_VERIFICATION = 16; 932 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 933 static final int INTENT_FILTER_VERIFIED = 18; 934 935 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 936 937 // Delay time in millisecs 938 static final int BROADCAST_DELAY = 10 * 1000; 939 940 static UserManagerService sUserManager; 941 942 // Stores a list of users whose package restrictions file needs to be updated 943 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 944 945 final private DefaultContainerConnection mDefContainerConn = 946 new DefaultContainerConnection(); 947 class DefaultContainerConnection implements ServiceConnection { 948 public void onServiceConnected(ComponentName name, IBinder service) { 949 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 950 IMediaContainerService imcs = 951 IMediaContainerService.Stub.asInterface(service); 952 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 953 } 954 955 public void onServiceDisconnected(ComponentName name) { 956 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 957 } 958 } 959 960 // Recordkeeping of restore-after-install operations that are currently in flight 961 // between the Package Manager and the Backup Manager 962 static class PostInstallData { 963 public InstallArgs args; 964 public PackageInstalledInfo res; 965 966 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 967 args = _a; 968 res = _r; 969 } 970 } 971 972 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 973 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 974 975 // XML tags for backup/restore of various bits of state 976 private static final String TAG_PREFERRED_BACKUP = "pa"; 977 private static final String TAG_DEFAULT_APPS = "da"; 978 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 979 980 final @Nullable String mRequiredVerifierPackage; 981 final @Nullable String mRequiredInstallerPackage; 982 983 private final PackageUsage mPackageUsage = new PackageUsage(); 984 985 private class PackageUsage { 986 private static final int WRITE_INTERVAL 987 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 988 989 private final Object mFileLock = new Object(); 990 private final AtomicLong mLastWritten = new AtomicLong(0); 991 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 992 993 private boolean mIsHistoricalPackageUsageAvailable = true; 994 995 boolean isHistoricalPackageUsageAvailable() { 996 return mIsHistoricalPackageUsageAvailable; 997 } 998 999 void write(boolean force) { 1000 if (force) { 1001 writeInternal(); 1002 return; 1003 } 1004 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1005 && !DEBUG_DEXOPT) { 1006 return; 1007 } 1008 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1009 new Thread("PackageUsage_DiskWriter") { 1010 @Override 1011 public void run() { 1012 try { 1013 writeInternal(); 1014 } finally { 1015 mBackgroundWriteRunning.set(false); 1016 } 1017 } 1018 }.start(); 1019 } 1020 } 1021 1022 private void writeInternal() { 1023 synchronized (mPackages) { 1024 synchronized (mFileLock) { 1025 AtomicFile file = getFile(); 1026 FileOutputStream f = null; 1027 try { 1028 f = file.startWrite(); 1029 BufferedOutputStream out = new BufferedOutputStream(f); 1030 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1031 StringBuilder sb = new StringBuilder(); 1032 for (PackageParser.Package pkg : mPackages.values()) { 1033 if (pkg.mLastPackageUsageTimeInMills == 0) { 1034 continue; 1035 } 1036 sb.setLength(0); 1037 sb.append(pkg.packageName); 1038 sb.append(' '); 1039 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1040 sb.append('\n'); 1041 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1042 } 1043 out.flush(); 1044 file.finishWrite(f); 1045 } catch (IOException e) { 1046 if (f != null) { 1047 file.failWrite(f); 1048 } 1049 Log.e(TAG, "Failed to write package usage times", e); 1050 } 1051 } 1052 } 1053 mLastWritten.set(SystemClock.elapsedRealtime()); 1054 } 1055 1056 void readLP() { 1057 synchronized (mFileLock) { 1058 AtomicFile file = getFile(); 1059 BufferedInputStream in = null; 1060 try { 1061 in = new BufferedInputStream(file.openRead()); 1062 StringBuffer sb = new StringBuffer(); 1063 while (true) { 1064 String packageName = readToken(in, sb, ' '); 1065 if (packageName == null) { 1066 break; 1067 } 1068 String timeInMillisString = readToken(in, sb, '\n'); 1069 if (timeInMillisString == null) { 1070 throw new IOException("Failed to find last usage time for package " 1071 + packageName); 1072 } 1073 PackageParser.Package pkg = mPackages.get(packageName); 1074 if (pkg == null) { 1075 continue; 1076 } 1077 long timeInMillis; 1078 try { 1079 timeInMillis = Long.parseLong(timeInMillisString); 1080 } catch (NumberFormatException e) { 1081 throw new IOException("Failed to parse " + timeInMillisString 1082 + " as a long.", e); 1083 } 1084 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1085 } 1086 } catch (FileNotFoundException expected) { 1087 mIsHistoricalPackageUsageAvailable = false; 1088 } catch (IOException e) { 1089 Log.w(TAG, "Failed to read package usage times", e); 1090 } finally { 1091 IoUtils.closeQuietly(in); 1092 } 1093 } 1094 mLastWritten.set(SystemClock.elapsedRealtime()); 1095 } 1096 1097 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1098 throws IOException { 1099 sb.setLength(0); 1100 while (true) { 1101 int ch = in.read(); 1102 if (ch == -1) { 1103 if (sb.length() == 0) { 1104 return null; 1105 } 1106 throw new IOException("Unexpected EOF"); 1107 } 1108 if (ch == endOfToken) { 1109 return sb.toString(); 1110 } 1111 sb.append((char)ch); 1112 } 1113 } 1114 1115 private AtomicFile getFile() { 1116 File dataDir = Environment.getDataDirectory(); 1117 File systemDir = new File(dataDir, "system"); 1118 File fname = new File(systemDir, "package-usage.list"); 1119 return new AtomicFile(fname); 1120 } 1121 } 1122 1123 class PackageHandler extends Handler { 1124 private boolean mBound = false; 1125 final ArrayList<HandlerParams> mPendingInstalls = 1126 new ArrayList<HandlerParams>(); 1127 1128 private boolean connectToService() { 1129 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1130 " DefaultContainerService"); 1131 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1132 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1133 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1134 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1135 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1136 mBound = true; 1137 return true; 1138 } 1139 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1140 return false; 1141 } 1142 1143 private void disconnectService() { 1144 mContainerService = null; 1145 mBound = false; 1146 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1147 mContext.unbindService(mDefContainerConn); 1148 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1149 } 1150 1151 PackageHandler(Looper looper) { 1152 super(looper); 1153 } 1154 1155 public void handleMessage(Message msg) { 1156 try { 1157 doHandleMessage(msg); 1158 } finally { 1159 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1160 } 1161 } 1162 1163 void doHandleMessage(Message msg) { 1164 switch (msg.what) { 1165 case INIT_COPY: { 1166 HandlerParams params = (HandlerParams) msg.obj; 1167 int idx = mPendingInstalls.size(); 1168 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1169 // If a bind was already initiated we dont really 1170 // need to do anything. The pending install 1171 // will be processed later on. 1172 if (!mBound) { 1173 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1174 System.identityHashCode(mHandler)); 1175 // If this is the only one pending we might 1176 // have to bind to the service again. 1177 if (!connectToService()) { 1178 Slog.e(TAG, "Failed to bind to media container service"); 1179 params.serviceError(); 1180 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1181 System.identityHashCode(mHandler)); 1182 if (params.traceMethod != null) { 1183 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1184 params.traceCookie); 1185 } 1186 return; 1187 } else { 1188 // Once we bind to the service, the first 1189 // pending request will be processed. 1190 mPendingInstalls.add(idx, params); 1191 } 1192 } else { 1193 mPendingInstalls.add(idx, params); 1194 // Already bound to the service. Just make 1195 // sure we trigger off processing the first request. 1196 if (idx == 0) { 1197 mHandler.sendEmptyMessage(MCS_BOUND); 1198 } 1199 } 1200 break; 1201 } 1202 case MCS_BOUND: { 1203 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1204 if (msg.obj != null) { 1205 mContainerService = (IMediaContainerService) msg.obj; 1206 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1207 System.identityHashCode(mHandler)); 1208 } 1209 if (mContainerService == null) { 1210 if (!mBound) { 1211 // Something seriously wrong since we are not bound and we are not 1212 // waiting for connection. Bail out. 1213 Slog.e(TAG, "Cannot bind to media container service"); 1214 for (HandlerParams params : mPendingInstalls) { 1215 // Indicate service bind error 1216 params.serviceError(); 1217 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1218 System.identityHashCode(params)); 1219 if (params.traceMethod != null) { 1220 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1221 params.traceMethod, params.traceCookie); 1222 } 1223 return; 1224 } 1225 mPendingInstalls.clear(); 1226 } else { 1227 Slog.w(TAG, "Waiting to connect to media container service"); 1228 } 1229 } else if (mPendingInstalls.size() > 0) { 1230 HandlerParams params = mPendingInstalls.get(0); 1231 if (params != null) { 1232 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1233 System.identityHashCode(params)); 1234 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1235 if (params.startCopy()) { 1236 // We are done... look for more work or to 1237 // go idle. 1238 if (DEBUG_SD_INSTALL) Log.i(TAG, 1239 "Checking for more work or unbind..."); 1240 // Delete pending install 1241 if (mPendingInstalls.size() > 0) { 1242 mPendingInstalls.remove(0); 1243 } 1244 if (mPendingInstalls.size() == 0) { 1245 if (mBound) { 1246 if (DEBUG_SD_INSTALL) Log.i(TAG, 1247 "Posting delayed MCS_UNBIND"); 1248 removeMessages(MCS_UNBIND); 1249 Message ubmsg = obtainMessage(MCS_UNBIND); 1250 // Unbind after a little delay, to avoid 1251 // continual thrashing. 1252 sendMessageDelayed(ubmsg, 10000); 1253 } 1254 } else { 1255 // There are more pending requests in queue. 1256 // Just post MCS_BOUND message to trigger processing 1257 // of next pending install. 1258 if (DEBUG_SD_INSTALL) Log.i(TAG, 1259 "Posting MCS_BOUND for next work"); 1260 mHandler.sendEmptyMessage(MCS_BOUND); 1261 } 1262 } 1263 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1264 } 1265 } else { 1266 // Should never happen ideally. 1267 Slog.w(TAG, "Empty queue"); 1268 } 1269 break; 1270 } 1271 case MCS_RECONNECT: { 1272 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1273 if (mPendingInstalls.size() > 0) { 1274 if (mBound) { 1275 disconnectService(); 1276 } 1277 if (!connectToService()) { 1278 Slog.e(TAG, "Failed to bind to media container service"); 1279 for (HandlerParams params : mPendingInstalls) { 1280 // Indicate service bind error 1281 params.serviceError(); 1282 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1283 System.identityHashCode(params)); 1284 } 1285 mPendingInstalls.clear(); 1286 } 1287 } 1288 break; 1289 } 1290 case MCS_UNBIND: { 1291 // If there is no actual work left, then time to unbind. 1292 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1293 1294 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1295 if (mBound) { 1296 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1297 1298 disconnectService(); 1299 } 1300 } else if (mPendingInstalls.size() > 0) { 1301 // There are more pending requests in queue. 1302 // Just post MCS_BOUND message to trigger processing 1303 // of next pending install. 1304 mHandler.sendEmptyMessage(MCS_BOUND); 1305 } 1306 1307 break; 1308 } 1309 case MCS_GIVE_UP: { 1310 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1311 HandlerParams params = mPendingInstalls.remove(0); 1312 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1313 System.identityHashCode(params)); 1314 break; 1315 } 1316 case SEND_PENDING_BROADCAST: { 1317 String packages[]; 1318 ArrayList<String> components[]; 1319 int size = 0; 1320 int uids[]; 1321 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1322 synchronized (mPackages) { 1323 if (mPendingBroadcasts == null) { 1324 return; 1325 } 1326 size = mPendingBroadcasts.size(); 1327 if (size <= 0) { 1328 // Nothing to be done. Just return 1329 return; 1330 } 1331 packages = new String[size]; 1332 components = new ArrayList[size]; 1333 uids = new int[size]; 1334 int i = 0; // filling out the above arrays 1335 1336 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1337 int packageUserId = mPendingBroadcasts.userIdAt(n); 1338 Iterator<Map.Entry<String, ArrayList<String>>> it 1339 = mPendingBroadcasts.packagesForUserId(packageUserId) 1340 .entrySet().iterator(); 1341 while (it.hasNext() && i < size) { 1342 Map.Entry<String, ArrayList<String>> ent = it.next(); 1343 packages[i] = ent.getKey(); 1344 components[i] = ent.getValue(); 1345 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1346 uids[i] = (ps != null) 1347 ? UserHandle.getUid(packageUserId, ps.appId) 1348 : -1; 1349 i++; 1350 } 1351 } 1352 size = i; 1353 mPendingBroadcasts.clear(); 1354 } 1355 // Send broadcasts 1356 for (int i = 0; i < size; i++) { 1357 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1358 } 1359 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1360 break; 1361 } 1362 case START_CLEANING_PACKAGE: { 1363 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1364 final String packageName = (String)msg.obj; 1365 final int userId = msg.arg1; 1366 final boolean andCode = msg.arg2 != 0; 1367 synchronized (mPackages) { 1368 if (userId == UserHandle.USER_ALL) { 1369 int[] users = sUserManager.getUserIds(); 1370 for (int user : users) { 1371 mSettings.addPackageToCleanLPw( 1372 new PackageCleanItem(user, packageName, andCode)); 1373 } 1374 } else { 1375 mSettings.addPackageToCleanLPw( 1376 new PackageCleanItem(userId, packageName, andCode)); 1377 } 1378 } 1379 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1380 startCleaningPackages(); 1381 } break; 1382 case POST_INSTALL: { 1383 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1384 1385 PostInstallData data = mRunningInstalls.get(msg.arg1); 1386 mRunningInstalls.delete(msg.arg1); 1387 boolean deleteOld = false; 1388 1389 if (data != null) { 1390 InstallArgs args = data.args; 1391 PackageInstalledInfo res = data.res; 1392 1393 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1394 final String packageName = res.pkg.applicationInfo.packageName; 1395 res.removedInfo.sendBroadcast(false, true, false); 1396 Bundle extras = new Bundle(1); 1397 extras.putInt(Intent.EXTRA_UID, res.uid); 1398 1399 // Now that we successfully installed the package, grant runtime 1400 // permissions if requested before broadcasting the install. 1401 if ((args.installFlags 1402 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 1403 && res.pkg.applicationInfo.targetSdkVersion 1404 >= Build.VERSION_CODES.M) { 1405 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1406 args.installGrantPermissions); 1407 } 1408 1409 synchronized (mPackages) { 1410 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1411 } 1412 1413 // Determine the set of users who are adding this 1414 // package for the first time vs. those who are seeing 1415 // an update. 1416 int[] firstUsers; 1417 int[] updateUsers = new int[0]; 1418 if (res.origUsers == null || res.origUsers.length == 0) { 1419 firstUsers = res.newUsers; 1420 } else { 1421 firstUsers = new int[0]; 1422 for (int i=0; i<res.newUsers.length; i++) { 1423 int user = res.newUsers[i]; 1424 boolean isNew = true; 1425 for (int j=0; j<res.origUsers.length; j++) { 1426 if (res.origUsers[j] == user) { 1427 isNew = false; 1428 break; 1429 } 1430 } 1431 if (isNew) { 1432 int[] newFirst = new int[firstUsers.length+1]; 1433 System.arraycopy(firstUsers, 0, newFirst, 0, 1434 firstUsers.length); 1435 newFirst[firstUsers.length] = user; 1436 firstUsers = newFirst; 1437 } else { 1438 int[] newUpdate = new int[updateUsers.length+1]; 1439 System.arraycopy(updateUsers, 0, newUpdate, 0, 1440 updateUsers.length); 1441 newUpdate[updateUsers.length] = user; 1442 updateUsers = newUpdate; 1443 } 1444 } 1445 } 1446 // don't broadcast for ephemeral installs/updates 1447 final boolean isEphemeral = isEphemeral(res.pkg); 1448 if (!isEphemeral) { 1449 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1450 extras, 0 /*flags*/, null /*targetPackage*/, 1451 null /*finishedReceiver*/, firstUsers); 1452 } 1453 final boolean update = res.removedInfo.removedPackage != null; 1454 if (update) { 1455 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1456 } 1457 if (!isEphemeral) { 1458 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1459 extras, 0 /*flags*/, null /*targetPackage*/, 1460 null /*finishedReceiver*/, updateUsers); 1461 } 1462 if (update) { 1463 if (!isEphemeral) { 1464 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1465 packageName, extras, 0 /*flags*/, 1466 null /*targetPackage*/, null /*finishedReceiver*/, 1467 updateUsers); 1468 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1469 null /*package*/, null /*extras*/, 0 /*flags*/, 1470 packageName /*targetPackage*/, 1471 null /*finishedReceiver*/, updateUsers); 1472 } 1473 1474 // treat asec-hosted packages like removable media on upgrade 1475 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1476 if (DEBUG_INSTALL) { 1477 Slog.i(TAG, "upgrading pkg " + res.pkg 1478 + " is ASEC-hosted -> AVAILABLE"); 1479 } 1480 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1481 ArrayList<String> pkgList = new ArrayList<String>(1); 1482 pkgList.add(packageName); 1483 sendResourcesChangedBroadcast(true, true, 1484 pkgList,uidArray, null); 1485 } 1486 } 1487 if (res.removedInfo.args != null) { 1488 // Remove the replaced package's older resources safely now 1489 deleteOld = true; 1490 } 1491 1492 // If this app is a browser and it's newly-installed for some 1493 // users, clear any default-browser state in those users 1494 if (firstUsers.length > 0) { 1495 // the app's nature doesn't depend on the user, so we can just 1496 // check its browser nature in any user and generalize. 1497 if (packageIsBrowser(packageName, firstUsers[0])) { 1498 synchronized (mPackages) { 1499 for (int userId : firstUsers) { 1500 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1501 } 1502 } 1503 } 1504 } 1505 // Log current value of "unknown sources" setting 1506 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1507 getUnknownSourcesSettings()); 1508 } 1509 // Force a gc to clear up things 1510 Runtime.getRuntime().gc(); 1511 // We delete after a gc for applications on sdcard. 1512 if (deleteOld) { 1513 synchronized (mInstallLock) { 1514 res.removedInfo.args.doPostDeleteLI(true); 1515 } 1516 } 1517 if (args.observer != null) { 1518 try { 1519 Bundle extras = extrasForInstallResult(res); 1520 args.observer.onPackageInstalled(res.name, res.returnCode, 1521 res.returnMsg, extras); 1522 } catch (RemoteException e) { 1523 Slog.i(TAG, "Observer no longer exists."); 1524 } 1525 } 1526 if (args.traceMethod != null) { 1527 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1528 args.traceCookie); 1529 } 1530 return; 1531 } else { 1532 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1533 } 1534 1535 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1536 } break; 1537 case UPDATED_MEDIA_STATUS: { 1538 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1539 boolean reportStatus = msg.arg1 == 1; 1540 boolean doGc = msg.arg2 == 1; 1541 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1542 if (doGc) { 1543 // Force a gc to clear up stale containers. 1544 Runtime.getRuntime().gc(); 1545 } 1546 if (msg.obj != null) { 1547 @SuppressWarnings("unchecked") 1548 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1549 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1550 // Unload containers 1551 unloadAllContainers(args); 1552 } 1553 if (reportStatus) { 1554 try { 1555 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1556 PackageHelper.getMountService().finishMediaUpdate(); 1557 } catch (RemoteException e) { 1558 Log.e(TAG, "MountService not running?"); 1559 } 1560 } 1561 } break; 1562 case WRITE_SETTINGS: { 1563 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1564 synchronized (mPackages) { 1565 removeMessages(WRITE_SETTINGS); 1566 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1567 mSettings.writeLPr(); 1568 mDirtyUsers.clear(); 1569 } 1570 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1571 } break; 1572 case WRITE_PACKAGE_RESTRICTIONS: { 1573 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1574 synchronized (mPackages) { 1575 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1576 for (int userId : mDirtyUsers) { 1577 mSettings.writePackageRestrictionsLPr(userId); 1578 } 1579 mDirtyUsers.clear(); 1580 } 1581 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1582 } break; 1583 case CHECK_PENDING_VERIFICATION: { 1584 final int verificationId = msg.arg1; 1585 final PackageVerificationState state = mPendingVerification.get(verificationId); 1586 1587 if ((state != null) && !state.timeoutExtended()) { 1588 final InstallArgs args = state.getInstallArgs(); 1589 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1590 1591 Slog.i(TAG, "Verification timed out for " + originUri); 1592 mPendingVerification.remove(verificationId); 1593 1594 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1595 1596 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1597 Slog.i(TAG, "Continuing with installation of " + originUri); 1598 state.setVerifierResponse(Binder.getCallingUid(), 1599 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1600 broadcastPackageVerified(verificationId, originUri, 1601 PackageManager.VERIFICATION_ALLOW, 1602 state.getInstallArgs().getUser()); 1603 try { 1604 ret = args.copyApk(mContainerService, true); 1605 } catch (RemoteException e) { 1606 Slog.e(TAG, "Could not contact the ContainerService"); 1607 } 1608 } else { 1609 broadcastPackageVerified(verificationId, originUri, 1610 PackageManager.VERIFICATION_REJECT, 1611 state.getInstallArgs().getUser()); 1612 } 1613 1614 Trace.asyncTraceEnd( 1615 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1616 1617 processPendingInstall(args, ret); 1618 mHandler.sendEmptyMessage(MCS_UNBIND); 1619 } 1620 break; 1621 } 1622 case PACKAGE_VERIFIED: { 1623 final int verificationId = msg.arg1; 1624 1625 final PackageVerificationState state = mPendingVerification.get(verificationId); 1626 if (state == null) { 1627 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1628 break; 1629 } 1630 1631 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1632 1633 state.setVerifierResponse(response.callerUid, response.code); 1634 1635 if (state.isVerificationComplete()) { 1636 mPendingVerification.remove(verificationId); 1637 1638 final InstallArgs args = state.getInstallArgs(); 1639 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1640 1641 int ret; 1642 if (state.isInstallAllowed()) { 1643 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1644 broadcastPackageVerified(verificationId, originUri, 1645 response.code, state.getInstallArgs().getUser()); 1646 try { 1647 ret = args.copyApk(mContainerService, true); 1648 } catch (RemoteException e) { 1649 Slog.e(TAG, "Could not contact the ContainerService"); 1650 } 1651 } else { 1652 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1653 } 1654 1655 Trace.asyncTraceEnd( 1656 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1657 1658 processPendingInstall(args, ret); 1659 mHandler.sendEmptyMessage(MCS_UNBIND); 1660 } 1661 1662 break; 1663 } 1664 case START_INTENT_FILTER_VERIFICATIONS: { 1665 IFVerificationParams params = (IFVerificationParams) msg.obj; 1666 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1667 params.replacing, params.pkg); 1668 break; 1669 } 1670 case INTENT_FILTER_VERIFIED: { 1671 final int verificationId = msg.arg1; 1672 1673 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1674 verificationId); 1675 if (state == null) { 1676 Slog.w(TAG, "Invalid IntentFilter verification token " 1677 + verificationId + " received"); 1678 break; 1679 } 1680 1681 final int userId = state.getUserId(); 1682 1683 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1684 "Processing IntentFilter verification with token:" 1685 + verificationId + " and userId:" + userId); 1686 1687 final IntentFilterVerificationResponse response = 1688 (IntentFilterVerificationResponse) msg.obj; 1689 1690 state.setVerifierResponse(response.callerUid, response.code); 1691 1692 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1693 "IntentFilter verification with token:" + verificationId 1694 + " and userId:" + userId 1695 + " is settings verifier response with response code:" 1696 + response.code); 1697 1698 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1699 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1700 + response.getFailedDomainsString()); 1701 } 1702 1703 if (state.isVerificationComplete()) { 1704 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1705 } else { 1706 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1707 "IntentFilter verification with token:" + verificationId 1708 + " was not said to be complete"); 1709 } 1710 1711 break; 1712 } 1713 } 1714 } 1715 } 1716 1717 private StorageEventListener mStorageListener = new StorageEventListener() { 1718 @Override 1719 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1720 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1721 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1722 final String volumeUuid = vol.getFsUuid(); 1723 1724 // Clean up any users or apps that were removed or recreated 1725 // while this volume was missing 1726 reconcileUsers(volumeUuid); 1727 reconcileApps(volumeUuid); 1728 1729 // Clean up any install sessions that expired or were 1730 // cancelled while this volume was missing 1731 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1732 1733 loadPrivatePackages(vol); 1734 1735 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1736 unloadPrivatePackages(vol); 1737 } 1738 } 1739 1740 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1741 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1742 updateExternalMediaStatus(true, false); 1743 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1744 updateExternalMediaStatus(false, false); 1745 } 1746 } 1747 } 1748 1749 @Override 1750 public void onVolumeForgotten(String fsUuid) { 1751 if (TextUtils.isEmpty(fsUuid)) { 1752 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1753 return; 1754 } 1755 1756 // Remove any apps installed on the forgotten volume 1757 synchronized (mPackages) { 1758 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1759 for (PackageSetting ps : packages) { 1760 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1761 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1762 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1763 } 1764 1765 mSettings.onVolumeForgotten(fsUuid); 1766 mSettings.writeLPr(); 1767 } 1768 } 1769 }; 1770 1771 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1772 String[] grantedPermissions) { 1773 if (userId >= UserHandle.USER_SYSTEM) { 1774 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1775 } else if (userId == UserHandle.USER_ALL) { 1776 final int[] userIds; 1777 synchronized (mPackages) { 1778 userIds = UserManagerService.getInstance().getUserIds(); 1779 } 1780 for (int someUserId : userIds) { 1781 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1782 } 1783 } 1784 1785 // We could have touched GID membership, so flush out packages.list 1786 synchronized (mPackages) { 1787 mSettings.writePackageListLPr(); 1788 } 1789 } 1790 1791 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1792 String[] grantedPermissions) { 1793 SettingBase sb = (SettingBase) pkg.mExtras; 1794 if (sb == null) { 1795 return; 1796 } 1797 1798 PermissionsState permissionsState = sb.getPermissionsState(); 1799 1800 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1801 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1802 1803 synchronized (mPackages) { 1804 for (String permission : pkg.requestedPermissions) { 1805 BasePermission bp = mSettings.mPermissions.get(permission); 1806 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1807 && (grantedPermissions == null 1808 || ArrayUtils.contains(grantedPermissions, permission))) { 1809 final int flags = permissionsState.getPermissionFlags(permission, userId); 1810 // Installer cannot change immutable permissions. 1811 if ((flags & immutableFlags) == 0) { 1812 grantRuntimePermission(pkg.packageName, permission, userId); 1813 } 1814 } 1815 } 1816 } 1817 } 1818 1819 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1820 Bundle extras = null; 1821 switch (res.returnCode) { 1822 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1823 extras = new Bundle(); 1824 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1825 res.origPermission); 1826 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1827 res.origPackage); 1828 break; 1829 } 1830 case PackageManager.INSTALL_SUCCEEDED: { 1831 extras = new Bundle(); 1832 extras.putBoolean(Intent.EXTRA_REPLACING, 1833 res.removedInfo != null && res.removedInfo.removedPackage != null); 1834 break; 1835 } 1836 } 1837 return extras; 1838 } 1839 1840 void scheduleWriteSettingsLocked() { 1841 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1842 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1843 } 1844 } 1845 1846 void scheduleWritePackageRestrictionsLocked(int userId) { 1847 if (!sUserManager.exists(userId)) return; 1848 mDirtyUsers.add(userId); 1849 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1850 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1851 } 1852 } 1853 1854 public static PackageManagerService main(Context context, Installer installer, 1855 boolean factoryTest, boolean onlyCore) { 1856 PackageManagerService m = new PackageManagerService(context, installer, 1857 factoryTest, onlyCore); 1858 m.enableSystemUserPackages(); 1859 ServiceManager.addService("package", m); 1860 return m; 1861 } 1862 1863 private void enableSystemUserPackages() { 1864 if (!UserManager.isSplitSystemUser()) { 1865 return; 1866 } 1867 // For system user, enable apps based on the following conditions: 1868 // - app is whitelisted or belong to one of these groups: 1869 // -- system app which has no launcher icons 1870 // -- system app which has INTERACT_ACROSS_USERS permission 1871 // -- system IME app 1872 // - app is not in the blacklist 1873 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1874 Set<String> enableApps = new ArraySet<>(); 1875 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1876 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1877 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1878 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1879 enableApps.addAll(wlApps); 1880 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1881 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1882 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1883 enableApps.removeAll(blApps); 1884 Log.i(TAG, "Applications installed for system user: " + enableApps); 1885 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1886 UserHandle.SYSTEM); 1887 final int allAppsSize = allAps.size(); 1888 synchronized (mPackages) { 1889 for (int i = 0; i < allAppsSize; i++) { 1890 String pName = allAps.get(i); 1891 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1892 // Should not happen, but we shouldn't be failing if it does 1893 if (pkgSetting == null) { 1894 continue; 1895 } 1896 boolean install = enableApps.contains(pName); 1897 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 1898 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 1899 + " for system user"); 1900 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 1901 } 1902 } 1903 } 1904 } 1905 1906 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1907 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1908 Context.DISPLAY_SERVICE); 1909 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1910 } 1911 1912 public PackageManagerService(Context context, Installer installer, 1913 boolean factoryTest, boolean onlyCore) { 1914 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1915 SystemClock.uptimeMillis()); 1916 1917 if (mSdkVersion <= 0) { 1918 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1919 } 1920 1921 mContext = context; 1922 mFactoryTest = factoryTest; 1923 mOnlyCore = onlyCore; 1924 mMetrics = new DisplayMetrics(); 1925 mSettings = new Settings(mPackages); 1926 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1927 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1928 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1929 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1930 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1931 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1932 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1933 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1934 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1935 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1936 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1937 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1938 1939 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1940 if (separateProcesses != null && separateProcesses.length() > 0) { 1941 if ("*".equals(separateProcesses)) { 1942 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1943 mSeparateProcesses = null; 1944 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1945 } else { 1946 mDefParseFlags = 0; 1947 mSeparateProcesses = separateProcesses.split(","); 1948 Slog.w(TAG, "Running with debug.separate_processes: " 1949 + separateProcesses); 1950 } 1951 } else { 1952 mDefParseFlags = 0; 1953 mSeparateProcesses = null; 1954 } 1955 1956 mInstaller = installer; 1957 mPackageDexOptimizer = new PackageDexOptimizer(this); 1958 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1959 1960 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1961 FgThread.get().getLooper()); 1962 1963 getDefaultDisplayMetrics(context, mMetrics); 1964 1965 SystemConfig systemConfig = SystemConfig.getInstance(); 1966 mGlobalGids = systemConfig.getGlobalGids(); 1967 mSystemPermissions = systemConfig.getSystemPermissions(); 1968 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1969 1970 synchronized (mInstallLock) { 1971 // writer 1972 synchronized (mPackages) { 1973 mHandlerThread = new ServiceThread(TAG, 1974 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1975 mHandlerThread.start(); 1976 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1977 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1978 1979 File dataDir = Environment.getDataDirectory(); 1980 mAppInstallDir = new File(dataDir, "app"); 1981 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1982 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 1983 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1984 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1985 1986 sUserManager = new UserManagerService(context, this, mPackages); 1987 1988 // Propagate permission configuration in to package manager. 1989 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1990 = systemConfig.getPermissions(); 1991 for (int i=0; i<permConfig.size(); i++) { 1992 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1993 BasePermission bp = mSettings.mPermissions.get(perm.name); 1994 if (bp == null) { 1995 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1996 mSettings.mPermissions.put(perm.name, bp); 1997 } 1998 if (perm.gids != null) { 1999 bp.setGids(perm.gids, perm.perUser); 2000 } 2001 } 2002 2003 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2004 for (int i=0; i<libConfig.size(); i++) { 2005 mSharedLibraries.put(libConfig.keyAt(i), 2006 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2007 } 2008 2009 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2010 2011 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2012 2013 String customResolverActivity = Resources.getSystem().getString( 2014 R.string.config_customResolverActivity); 2015 if (TextUtils.isEmpty(customResolverActivity)) { 2016 customResolverActivity = null; 2017 } else { 2018 mCustomResolverComponentName = ComponentName.unflattenFromString( 2019 customResolverActivity); 2020 } 2021 2022 long startTime = SystemClock.uptimeMillis(); 2023 2024 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2025 startTime); 2026 2027 // Set flag to monitor and not change apk file paths when 2028 // scanning install directories. 2029 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2030 2031 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2032 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2033 2034 if (bootClassPath == null) { 2035 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2036 } 2037 2038 if (systemServerClassPath == null) { 2039 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2040 } 2041 2042 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2043 final String[] dexCodeInstructionSets = 2044 getDexCodeInstructionSets( 2045 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2046 2047 /** 2048 * Ensure all external libraries have had dexopt run on them. 2049 */ 2050 if (mSharedLibraries.size() > 0) { 2051 // NOTE: For now, we're compiling these system "shared libraries" 2052 // (and framework jars) into all available architectures. It's possible 2053 // to compile them only when we come across an app that uses them (there's 2054 // already logic for that in scanPackageLI) but that adds some complexity. 2055 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2056 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2057 final String lib = libEntry.path; 2058 if (lib == null) { 2059 continue; 2060 } 2061 2062 try { 2063 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2064 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2065 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2066 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/); 2067 } 2068 } catch (FileNotFoundException e) { 2069 Slog.w(TAG, "Library not found: " + lib); 2070 } catch (IOException e) { 2071 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2072 + e.getMessage()); 2073 } 2074 } 2075 } 2076 } 2077 2078 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2079 2080 final VersionInfo ver = mSettings.getInternalVersion(); 2081 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2082 // when upgrading from pre-M, promote system app permissions from install to runtime 2083 mPromoteSystemApps = 2084 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2085 2086 // save off the names of pre-existing system packages prior to scanning; we don't 2087 // want to automatically grant runtime permissions for new system apps 2088 if (mPromoteSystemApps) { 2089 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2090 while (pkgSettingIter.hasNext()) { 2091 PackageSetting ps = pkgSettingIter.next(); 2092 if (isSystemApp(ps)) { 2093 mExistingSystemPackages.add(ps.name); 2094 } 2095 } 2096 } 2097 2098 // Collect vendor overlay packages. 2099 // (Do this before scanning any apps.) 2100 // For security and version matching reason, only consider 2101 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2102 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2103 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2104 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2105 2106 // Find base frameworks (resource packages without code). 2107 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2108 | PackageParser.PARSE_IS_SYSTEM_DIR 2109 | PackageParser.PARSE_IS_PRIVILEGED, 2110 scanFlags | SCAN_NO_DEX, 0); 2111 2112 // Collected privileged system packages. 2113 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2114 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2115 | PackageParser.PARSE_IS_SYSTEM_DIR 2116 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2117 2118 // Collect ordinary system packages. 2119 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2120 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2121 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2122 2123 // Collect all vendor packages. 2124 File vendorAppDir = new File("/vendor/app"); 2125 try { 2126 vendorAppDir = vendorAppDir.getCanonicalFile(); 2127 } catch (IOException e) { 2128 // failed to look up canonical path, continue with original one 2129 } 2130 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2131 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2132 2133 // Collect all OEM packages. 2134 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2135 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2136 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2137 2138 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2139 mInstaller.moveFiles(); 2140 2141 // Prune any system packages that no longer exist. 2142 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2143 if (!mOnlyCore) { 2144 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2145 while (psit.hasNext()) { 2146 PackageSetting ps = psit.next(); 2147 2148 /* 2149 * If this is not a system app, it can't be a 2150 * disable system app. 2151 */ 2152 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2153 continue; 2154 } 2155 2156 /* 2157 * If the package is scanned, it's not erased. 2158 */ 2159 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2160 if (scannedPkg != null) { 2161 /* 2162 * If the system app is both scanned and in the 2163 * disabled packages list, then it must have been 2164 * added via OTA. Remove it from the currently 2165 * scanned package so the previously user-installed 2166 * application can be scanned. 2167 */ 2168 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2169 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2170 + ps.name + "; removing system app. Last known codePath=" 2171 + ps.codePathString + ", installStatus=" + ps.installStatus 2172 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2173 + scannedPkg.mVersionCode); 2174 removePackageLI(ps, true); 2175 mExpectingBetter.put(ps.name, ps.codePath); 2176 } 2177 2178 continue; 2179 } 2180 2181 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2182 psit.remove(); 2183 logCriticalInfo(Log.WARN, "System package " + ps.name 2184 + " no longer exists; wiping its data"); 2185 removeDataDirsLI(null, ps.name); 2186 } else { 2187 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2188 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2189 possiblyDeletedUpdatedSystemApps.add(ps.name); 2190 } 2191 } 2192 } 2193 } 2194 2195 //look for any incomplete package installations 2196 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2197 //clean up list 2198 for(int i = 0; i < deletePkgsList.size(); i++) { 2199 //clean up here 2200 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2201 } 2202 //delete tmp files 2203 deleteTempPackageFiles(); 2204 2205 // Remove any shared userIDs that have no associated packages 2206 mSettings.pruneSharedUsersLPw(); 2207 2208 if (!mOnlyCore) { 2209 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2210 SystemClock.uptimeMillis()); 2211 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2212 2213 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2214 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2215 2216 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2217 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2218 2219 /** 2220 * Remove disable package settings for any updated system 2221 * apps that were removed via an OTA. If they're not a 2222 * previously-updated app, remove them completely. 2223 * Otherwise, just revoke their system-level permissions. 2224 */ 2225 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2226 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2227 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2228 2229 String msg; 2230 if (deletedPkg == null) { 2231 msg = "Updated system package " + deletedAppName 2232 + " no longer exists; wiping its data"; 2233 removeDataDirsLI(null, deletedAppName); 2234 } else { 2235 msg = "Updated system app + " + deletedAppName 2236 + " no longer present; removing system privileges for " 2237 + deletedAppName; 2238 2239 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2240 2241 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2242 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2243 } 2244 logCriticalInfo(Log.WARN, msg); 2245 } 2246 2247 /** 2248 * Make sure all system apps that we expected to appear on 2249 * the userdata partition actually showed up. If they never 2250 * appeared, crawl back and revive the system version. 2251 */ 2252 for (int i = 0; i < mExpectingBetter.size(); i++) { 2253 final String packageName = mExpectingBetter.keyAt(i); 2254 if (!mPackages.containsKey(packageName)) { 2255 final File scanFile = mExpectingBetter.valueAt(i); 2256 2257 logCriticalInfo(Log.WARN, "Expected better " + packageName 2258 + " but never showed up; reverting to system"); 2259 2260 final int reparseFlags; 2261 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2262 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2263 | PackageParser.PARSE_IS_SYSTEM_DIR 2264 | PackageParser.PARSE_IS_PRIVILEGED; 2265 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2266 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2267 | PackageParser.PARSE_IS_SYSTEM_DIR; 2268 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2269 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2270 | PackageParser.PARSE_IS_SYSTEM_DIR; 2271 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2272 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2273 | PackageParser.PARSE_IS_SYSTEM_DIR; 2274 } else { 2275 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2276 continue; 2277 } 2278 2279 mSettings.enableSystemPackageLPw(packageName); 2280 2281 try { 2282 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2283 } catch (PackageManagerException e) { 2284 Slog.e(TAG, "Failed to parse original system package: " 2285 + e.getMessage()); 2286 } 2287 } 2288 } 2289 } 2290 mExpectingBetter.clear(); 2291 2292 // Now that we know all of the shared libraries, update all clients to have 2293 // the correct library paths. 2294 updateAllSharedLibrariesLPw(); 2295 2296 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2297 // NOTE: We ignore potential failures here during a system scan (like 2298 // the rest of the commands above) because there's precious little we 2299 // can do about it. A settings error is reported, though. 2300 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2301 false /* boot complete */); 2302 } 2303 2304 // Now that we know all the packages we are keeping, 2305 // read and update their last usage times. 2306 mPackageUsage.readLP(); 2307 2308 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2309 SystemClock.uptimeMillis()); 2310 Slog.i(TAG, "Time to scan packages: " 2311 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2312 + " seconds"); 2313 2314 // If the platform SDK has changed since the last time we booted, 2315 // we need to re-grant app permission to catch any new ones that 2316 // appear. This is really a hack, and means that apps can in some 2317 // cases get permissions that the user didn't initially explicitly 2318 // allow... it would be nice to have some better way to handle 2319 // this situation. 2320 int updateFlags = UPDATE_PERMISSIONS_ALL; 2321 if (ver.sdkVersion != mSdkVersion) { 2322 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2323 + mSdkVersion + "; regranting permissions for internal storage"); 2324 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2325 } 2326 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2327 ver.sdkVersion = mSdkVersion; 2328 2329 // If this is the first boot or an update from pre-M, and it is a normal 2330 // boot, then we need to initialize the default preferred apps across 2331 // all defined users. 2332 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2333 for (UserInfo user : sUserManager.getUsers(true)) { 2334 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2335 applyFactoryDefaultBrowserLPw(user.id); 2336 primeDomainVerificationsLPw(user.id); 2337 } 2338 } 2339 2340 // If this is first boot after an OTA, and a normal boot, then 2341 // we need to clear code cache directories. 2342 if (mIsUpgrade && !onlyCore) { 2343 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2344 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2345 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2346 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2347 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2348 } 2349 } 2350 ver.fingerprint = Build.FINGERPRINT; 2351 } 2352 2353 checkDefaultBrowser(); 2354 2355 // clear only after permissions and other defaults have been updated 2356 mExistingSystemPackages.clear(); 2357 mPromoteSystemApps = false; 2358 2359 // All the changes are done during package scanning. 2360 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2361 2362 // can downgrade to reader 2363 mSettings.writeLPr(); 2364 2365 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2366 SystemClock.uptimeMillis()); 2367 2368 if (!mOnlyCore) { 2369 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2370 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2371 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2372 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2373 mIntentFilterVerifierComponent); 2374 } else { 2375 mRequiredVerifierPackage = null; 2376 mRequiredInstallerPackage = null; 2377 mIntentFilterVerifierComponent = null; 2378 mIntentFilterVerifier = null; 2379 } 2380 2381 mInstallerService = new PackageInstallerService(context, this); 2382 2383 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2384 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2385 // both the installer and resolver must be present to enable ephemeral 2386 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2387 if (DEBUG_EPHEMERAL) { 2388 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2389 + " installer:" + ephemeralInstallerComponent); 2390 } 2391 mEphemeralResolverComponent = ephemeralResolverComponent; 2392 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2393 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2394 mEphemeralResolverConnection = 2395 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2396 } else { 2397 if (DEBUG_EPHEMERAL) { 2398 final String missingComponent = 2399 (ephemeralResolverComponent == null) 2400 ? (ephemeralInstallerComponent == null) 2401 ? "resolver and installer" 2402 : "resolver" 2403 : "installer"; 2404 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2405 } 2406 mEphemeralResolverComponent = null; 2407 mEphemeralInstallerComponent = null; 2408 mEphemeralResolverConnection = null; 2409 } 2410 2411 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2412 } // synchronized (mPackages) 2413 } // synchronized (mInstallLock) 2414 2415 // Now after opening every single application zip, make sure they 2416 // are all flushed. Not really needed, but keeps things nice and 2417 // tidy. 2418 Runtime.getRuntime().gc(); 2419 2420 // The initial scanning above does many calls into installd while 2421 // holding the mPackages lock, but we're mostly interested in yelling 2422 // once we have a booted system. 2423 mInstaller.setWarnIfHeld(mPackages); 2424 2425 // Expose private service for system components to use. 2426 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2427 } 2428 2429 @Override 2430 public boolean isFirstBoot() { 2431 return !mRestoredSettings; 2432 } 2433 2434 @Override 2435 public boolean isOnlyCoreApps() { 2436 return mOnlyCore; 2437 } 2438 2439 @Override 2440 public boolean isUpgrade() { 2441 return mIsUpgrade; 2442 } 2443 2444 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2445 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2446 2447 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2448 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2449 if (matches.size() == 1) { 2450 return matches.get(0).getComponentInfo().packageName; 2451 } else { 2452 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2453 return null; 2454 } 2455 } 2456 2457 private @NonNull String getRequiredInstallerLPr() { 2458 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2459 intent.addCategory(Intent.CATEGORY_DEFAULT); 2460 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2461 2462 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2463 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2464 if (matches.size() == 1) { 2465 return matches.get(0).getComponentInfo().packageName; 2466 } else { 2467 throw new RuntimeException("There must be exactly one installer; found " + matches); 2468 } 2469 } 2470 2471 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2472 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2473 2474 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2475 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2476 ResolveInfo best = null; 2477 final int N = matches.size(); 2478 for (int i = 0; i < N; i++) { 2479 final ResolveInfo cur = matches.get(i); 2480 final String packageName = cur.getComponentInfo().packageName; 2481 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2482 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2483 continue; 2484 } 2485 2486 if (best == null || cur.priority > best.priority) { 2487 best = cur; 2488 } 2489 } 2490 2491 if (best != null) { 2492 return best.getComponentInfo().getComponentName(); 2493 } else { 2494 throw new RuntimeException("There must be at least one intent filter verifier"); 2495 } 2496 } 2497 2498 private @Nullable ComponentName getEphemeralResolverLPr() { 2499 final String[] packageArray = 2500 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2501 if (packageArray.length == 0) { 2502 if (DEBUG_EPHEMERAL) { 2503 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2504 } 2505 return null; 2506 } 2507 2508 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2509 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, null, 2510 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2511 2512 final int N = resolvers.size(); 2513 if (N == 0) { 2514 if (DEBUG_EPHEMERAL) { 2515 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2516 } 2517 return null; 2518 } 2519 2520 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2521 for (int i = 0; i < N; i++) { 2522 final ResolveInfo info = resolvers.get(i); 2523 2524 if (info.serviceInfo == null) { 2525 continue; 2526 } 2527 2528 final String packageName = info.serviceInfo.packageName; 2529 if (!possiblePackages.contains(packageName)) { 2530 if (DEBUG_EPHEMERAL) { 2531 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2532 + " pkg: " + packageName + ", info:" + info); 2533 } 2534 continue; 2535 } 2536 2537 if (DEBUG_EPHEMERAL) { 2538 Slog.v(TAG, "Ephemeral resolver found;" 2539 + " pkg: " + packageName + ", info:" + info); 2540 } 2541 return new ComponentName(packageName, info.serviceInfo.name); 2542 } 2543 if (DEBUG_EPHEMERAL) { 2544 Slog.v(TAG, "Ephemeral resolver NOT found"); 2545 } 2546 return null; 2547 } 2548 2549 private @Nullable ComponentName getEphemeralInstallerLPr() { 2550 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2551 intent.addCategory(Intent.CATEGORY_DEFAULT); 2552 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2553 2554 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2555 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2556 if (matches.size() == 0) { 2557 return null; 2558 } else if (matches.size() == 1) { 2559 return matches.get(0).getComponentInfo().getComponentName(); 2560 } else { 2561 throw new RuntimeException( 2562 "There must be at most one ephemeral installer; found " + matches); 2563 } 2564 } 2565 2566 private void primeDomainVerificationsLPw(int userId) { 2567 if (DEBUG_DOMAIN_VERIFICATION) { 2568 Slog.d(TAG, "Priming domain verifications in user " + userId); 2569 } 2570 2571 SystemConfig systemConfig = SystemConfig.getInstance(); 2572 ArraySet<String> packages = systemConfig.getLinkedApps(); 2573 ArraySet<String> domains = new ArraySet<String>(); 2574 2575 for (String packageName : packages) { 2576 PackageParser.Package pkg = mPackages.get(packageName); 2577 if (pkg != null) { 2578 if (!pkg.isSystemApp()) { 2579 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2580 continue; 2581 } 2582 2583 domains.clear(); 2584 for (PackageParser.Activity a : pkg.activities) { 2585 for (ActivityIntentInfo filter : a.intents) { 2586 if (hasValidDomains(filter)) { 2587 domains.addAll(filter.getHostsList()); 2588 } 2589 } 2590 } 2591 2592 if (domains.size() > 0) { 2593 if (DEBUG_DOMAIN_VERIFICATION) { 2594 Slog.v(TAG, " + " + packageName); 2595 } 2596 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2597 // state w.r.t. the formal app-linkage "no verification attempted" state; 2598 // and then 'always' in the per-user state actually used for intent resolution. 2599 final IntentFilterVerificationInfo ivi; 2600 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2601 new ArrayList<String>(domains)); 2602 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2603 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2604 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2605 } else { 2606 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2607 + "' does not handle web links"); 2608 } 2609 } else { 2610 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2611 } 2612 } 2613 2614 scheduleWritePackageRestrictionsLocked(userId); 2615 scheduleWriteSettingsLocked(); 2616 } 2617 2618 private void applyFactoryDefaultBrowserLPw(int userId) { 2619 // The default browser app's package name is stored in a string resource, 2620 // with a product-specific overlay used for vendor customization. 2621 String browserPkg = mContext.getResources().getString( 2622 com.android.internal.R.string.default_browser); 2623 if (!TextUtils.isEmpty(browserPkg)) { 2624 // non-empty string => required to be a known package 2625 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2626 if (ps == null) { 2627 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2628 browserPkg = null; 2629 } else { 2630 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2631 } 2632 } 2633 2634 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2635 // default. If there's more than one, just leave everything alone. 2636 if (browserPkg == null) { 2637 calculateDefaultBrowserLPw(userId); 2638 } 2639 } 2640 2641 private void calculateDefaultBrowserLPw(int userId) { 2642 List<String> allBrowsers = resolveAllBrowserApps(userId); 2643 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2644 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2645 } 2646 2647 private List<String> resolveAllBrowserApps(int userId) { 2648 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2649 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2650 PackageManager.MATCH_ALL, userId); 2651 2652 final int count = list.size(); 2653 List<String> result = new ArrayList<String>(count); 2654 for (int i=0; i<count; i++) { 2655 ResolveInfo info = list.get(i); 2656 if (info.activityInfo == null 2657 || !info.handleAllWebDataURI 2658 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2659 || result.contains(info.activityInfo.packageName)) { 2660 continue; 2661 } 2662 result.add(info.activityInfo.packageName); 2663 } 2664 2665 return result; 2666 } 2667 2668 private boolean packageIsBrowser(String packageName, int userId) { 2669 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2670 PackageManager.MATCH_ALL, userId); 2671 final int N = list.size(); 2672 for (int i = 0; i < N; i++) { 2673 ResolveInfo info = list.get(i); 2674 if (packageName.equals(info.activityInfo.packageName)) { 2675 return true; 2676 } 2677 } 2678 return false; 2679 } 2680 2681 private void checkDefaultBrowser() { 2682 final int myUserId = UserHandle.myUserId(); 2683 final String packageName = getDefaultBrowserPackageName(myUserId); 2684 if (packageName != null) { 2685 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2686 if (info == null) { 2687 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2688 synchronized (mPackages) { 2689 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2690 } 2691 } 2692 } 2693 } 2694 2695 @Override 2696 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2697 throws RemoteException { 2698 try { 2699 return super.onTransact(code, data, reply, flags); 2700 } catch (RuntimeException e) { 2701 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2702 Slog.wtf(TAG, "Package Manager Crash", e); 2703 } 2704 throw e; 2705 } 2706 } 2707 2708 void cleanupInstallFailedPackage(PackageSetting ps) { 2709 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2710 2711 removeDataDirsLI(ps.volumeUuid, ps.name); 2712 if (ps.codePath != null) { 2713 if (ps.codePath.isDirectory()) { 2714 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2715 } else { 2716 ps.codePath.delete(); 2717 } 2718 } 2719 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2720 if (ps.resourcePath.isDirectory()) { 2721 FileUtils.deleteContents(ps.resourcePath); 2722 } 2723 ps.resourcePath.delete(); 2724 } 2725 mSettings.removePackageLPw(ps.name); 2726 } 2727 2728 static int[] appendInts(int[] cur, int[] add) { 2729 if (add == null) return cur; 2730 if (cur == null) return add; 2731 final int N = add.length; 2732 for (int i=0; i<N; i++) { 2733 cur = appendInt(cur, add[i]); 2734 } 2735 return cur; 2736 } 2737 2738 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2739 if (!sUserManager.exists(userId)) return null; 2740 final PackageSetting ps = (PackageSetting) p.mExtras; 2741 if (ps == null) { 2742 return null; 2743 } 2744 2745 final PermissionsState permissionsState = ps.getPermissionsState(); 2746 2747 final int[] gids = permissionsState.computeGids(userId); 2748 final Set<String> permissions = permissionsState.getPermissions(userId); 2749 final PackageUserState state = ps.readUserState(userId); 2750 2751 return PackageParser.generatePackageInfo(p, gids, flags, 2752 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2753 } 2754 2755 @Override 2756 public void checkPackageStartable(String packageName, int userId) { 2757 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2758 2759 synchronized (mPackages) { 2760 final PackageSetting ps = mSettings.mPackages.get(packageName); 2761 if (ps == null) { 2762 throw new SecurityException("Package " + packageName + " was not found!"); 2763 } 2764 2765 if (ps.frozen) { 2766 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2767 } 2768 2769 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2770 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2771 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2772 } 2773 } 2774 } 2775 2776 @Override 2777 public boolean isPackageAvailable(String packageName, int userId) { 2778 if (!sUserManager.exists(userId)) return false; 2779 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2780 synchronized (mPackages) { 2781 PackageParser.Package p = mPackages.get(packageName); 2782 if (p != null) { 2783 final PackageSetting ps = (PackageSetting) p.mExtras; 2784 if (ps != null) { 2785 final PackageUserState state = ps.readUserState(userId); 2786 if (state != null) { 2787 return PackageParser.isAvailable(state); 2788 } 2789 } 2790 } 2791 } 2792 return false; 2793 } 2794 2795 @Override 2796 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2797 if (!sUserManager.exists(userId)) return null; 2798 flags = updateFlagsForPackage(flags, userId, packageName); 2799 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2800 // reader 2801 synchronized (mPackages) { 2802 PackageParser.Package p = mPackages.get(packageName); 2803 if (DEBUG_PACKAGE_INFO) 2804 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2805 if (p != null) { 2806 return generatePackageInfo(p, flags, userId); 2807 } 2808 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2809 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2810 } 2811 } 2812 return null; 2813 } 2814 2815 @Override 2816 public String[] currentToCanonicalPackageNames(String[] names) { 2817 String[] out = new String[names.length]; 2818 // reader 2819 synchronized (mPackages) { 2820 for (int i=names.length-1; i>=0; i--) { 2821 PackageSetting ps = mSettings.mPackages.get(names[i]); 2822 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2823 } 2824 } 2825 return out; 2826 } 2827 2828 @Override 2829 public String[] canonicalToCurrentPackageNames(String[] names) { 2830 String[] out = new String[names.length]; 2831 // reader 2832 synchronized (mPackages) { 2833 for (int i=names.length-1; i>=0; i--) { 2834 String cur = mSettings.mRenamedPackages.get(names[i]); 2835 out[i] = cur != null ? cur : names[i]; 2836 } 2837 } 2838 return out; 2839 } 2840 2841 @Override 2842 public int getPackageUid(String packageName, int flags, int userId) { 2843 if (!sUserManager.exists(userId)) return -1; 2844 flags = updateFlagsForPackage(flags, userId, packageName); 2845 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2846 2847 // reader 2848 synchronized (mPackages) { 2849 final PackageParser.Package p = mPackages.get(packageName); 2850 if (p != null && p.isMatch(flags)) { 2851 return UserHandle.getUid(userId, p.applicationInfo.uid); 2852 } 2853 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2854 final PackageSetting ps = mSettings.mPackages.get(packageName); 2855 if (ps != null && ps.isMatch(flags)) { 2856 return UserHandle.getUid(userId, ps.appId); 2857 } 2858 } 2859 } 2860 2861 return -1; 2862 } 2863 2864 @Override 2865 public int[] getPackageGids(String packageName, int flags, int userId) { 2866 if (!sUserManager.exists(userId)) return null; 2867 flags = updateFlagsForPackage(flags, userId, packageName); 2868 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2869 "getPackageGids"); 2870 2871 // reader 2872 synchronized (mPackages) { 2873 final PackageParser.Package p = mPackages.get(packageName); 2874 if (p != null && p.isMatch(flags)) { 2875 PackageSetting ps = (PackageSetting) p.mExtras; 2876 return ps.getPermissionsState().computeGids(userId); 2877 } 2878 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2879 final PackageSetting ps = mSettings.mPackages.get(packageName); 2880 if (ps != null && ps.isMatch(flags)) { 2881 return ps.getPermissionsState().computeGids(userId); 2882 } 2883 } 2884 } 2885 2886 return null; 2887 } 2888 2889 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 2890 if (bp.perm != null) { 2891 return PackageParser.generatePermissionInfo(bp.perm, flags); 2892 } 2893 PermissionInfo pi = new PermissionInfo(); 2894 pi.name = bp.name; 2895 pi.packageName = bp.sourcePackage; 2896 pi.nonLocalizedLabel = bp.name; 2897 pi.protectionLevel = bp.protectionLevel; 2898 return pi; 2899 } 2900 2901 @Override 2902 public PermissionInfo getPermissionInfo(String name, int flags) { 2903 // reader 2904 synchronized (mPackages) { 2905 final BasePermission p = mSettings.mPermissions.get(name); 2906 if (p != null) { 2907 return generatePermissionInfo(p, flags); 2908 } 2909 return null; 2910 } 2911 } 2912 2913 @Override 2914 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2915 // reader 2916 synchronized (mPackages) { 2917 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2918 for (BasePermission p : mSettings.mPermissions.values()) { 2919 if (group == null) { 2920 if (p.perm == null || p.perm.info.group == null) { 2921 out.add(generatePermissionInfo(p, flags)); 2922 } 2923 } else { 2924 if (p.perm != null && group.equals(p.perm.info.group)) { 2925 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2926 } 2927 } 2928 } 2929 2930 if (out.size() > 0) { 2931 return out; 2932 } 2933 return mPermissionGroups.containsKey(group) ? out : null; 2934 } 2935 } 2936 2937 @Override 2938 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2939 // reader 2940 synchronized (mPackages) { 2941 return PackageParser.generatePermissionGroupInfo( 2942 mPermissionGroups.get(name), flags); 2943 } 2944 } 2945 2946 @Override 2947 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2948 // reader 2949 synchronized (mPackages) { 2950 final int N = mPermissionGroups.size(); 2951 ArrayList<PermissionGroupInfo> out 2952 = new ArrayList<PermissionGroupInfo>(N); 2953 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2954 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2955 } 2956 return out; 2957 } 2958 } 2959 2960 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2961 int userId) { 2962 if (!sUserManager.exists(userId)) return null; 2963 PackageSetting ps = mSettings.mPackages.get(packageName); 2964 if (ps != null) { 2965 if (ps.pkg == null) { 2966 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2967 flags, userId); 2968 if (pInfo != null) { 2969 return pInfo.applicationInfo; 2970 } 2971 return null; 2972 } 2973 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2974 ps.readUserState(userId), userId); 2975 } 2976 return null; 2977 } 2978 2979 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2980 int userId) { 2981 if (!sUserManager.exists(userId)) return null; 2982 PackageSetting ps = mSettings.mPackages.get(packageName); 2983 if (ps != null) { 2984 PackageParser.Package pkg = ps.pkg; 2985 if (pkg == null) { 2986 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 2987 return null; 2988 } 2989 // Only data remains, so we aren't worried about code paths 2990 pkg = new PackageParser.Package(packageName); 2991 pkg.applicationInfo.packageName = packageName; 2992 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2993 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2994 pkg.applicationInfo.uid = ps.appId; 2995 pkg.applicationInfo.initForUser(userId); 2996 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2997 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2998 } 2999 return generatePackageInfo(pkg, flags, userId); 3000 } 3001 return null; 3002 } 3003 3004 @Override 3005 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3006 if (!sUserManager.exists(userId)) return null; 3007 flags = updateFlagsForApplication(flags, userId, packageName); 3008 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 3009 // writer 3010 synchronized (mPackages) { 3011 PackageParser.Package p = mPackages.get(packageName); 3012 if (DEBUG_PACKAGE_INFO) Log.v( 3013 TAG, "getApplicationInfo " + packageName 3014 + ": " + p); 3015 if (p != null) { 3016 PackageSetting ps = mSettings.mPackages.get(packageName); 3017 if (ps == null) return null; 3018 // Note: isEnabledLP() does not apply here - always return info 3019 return PackageParser.generateApplicationInfo( 3020 p, flags, ps.readUserState(userId), userId); 3021 } 3022 if ("android".equals(packageName)||"system".equals(packageName)) { 3023 return mAndroidApplication; 3024 } 3025 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3026 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3027 } 3028 } 3029 return null; 3030 } 3031 3032 @Override 3033 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3034 final IPackageDataObserver observer) { 3035 mContext.enforceCallingOrSelfPermission( 3036 android.Manifest.permission.CLEAR_APP_CACHE, null); 3037 // Queue up an async operation since clearing cache may take a little while. 3038 mHandler.post(new Runnable() { 3039 public void run() { 3040 mHandler.removeCallbacks(this); 3041 int retCode = -1; 3042 synchronized (mInstallLock) { 3043 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 3044 if (retCode < 0) { 3045 Slog.w(TAG, "Couldn't clear application caches"); 3046 } 3047 } 3048 if (observer != null) { 3049 try { 3050 observer.onRemoveCompleted(null, (retCode >= 0)); 3051 } catch (RemoteException e) { 3052 Slog.w(TAG, "RemoveException when invoking call back"); 3053 } 3054 } 3055 } 3056 }); 3057 } 3058 3059 @Override 3060 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3061 final IntentSender pi) { 3062 mContext.enforceCallingOrSelfPermission( 3063 android.Manifest.permission.CLEAR_APP_CACHE, null); 3064 // Queue up an async operation since clearing cache may take a little while. 3065 mHandler.post(new Runnable() { 3066 public void run() { 3067 mHandler.removeCallbacks(this); 3068 int retCode = -1; 3069 synchronized (mInstallLock) { 3070 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 3071 if (retCode < 0) { 3072 Slog.w(TAG, "Couldn't clear application caches"); 3073 } 3074 } 3075 if(pi != null) { 3076 try { 3077 // Callback via pending intent 3078 int code = (retCode >= 0) ? 1 : 0; 3079 pi.sendIntent(null, code, null, 3080 null, null); 3081 } catch (SendIntentException e1) { 3082 Slog.i(TAG, "Failed to send pending intent"); 3083 } 3084 } 3085 } 3086 }); 3087 } 3088 3089 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3090 synchronized (mInstallLock) { 3091 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 3092 throw new IOException("Failed to free enough space"); 3093 } 3094 } 3095 } 3096 3097 /** 3098 * Return if the user key is currently unlocked. 3099 */ 3100 private boolean isUserKeyUnlocked(int userId) { 3101 if (StorageManager.isFileBasedEncryptionEnabled()) { 3102 final IMountService mount = IMountService.Stub 3103 .asInterface(ServiceManager.getService("mount")); 3104 if (mount == null) { 3105 Slog.w(TAG, "Early during boot, assuming locked"); 3106 return false; 3107 } 3108 final long token = Binder.clearCallingIdentity(); 3109 try { 3110 return mount.isUserKeyUnlocked(userId); 3111 } catch (RemoteException e) { 3112 throw e.rethrowAsRuntimeException(); 3113 } finally { 3114 Binder.restoreCallingIdentity(token); 3115 } 3116 } else { 3117 return true; 3118 } 3119 } 3120 3121 /** 3122 * Update given flags based on encryption status of current user. 3123 */ 3124 private int updateFlagsForEncryption(int flags, int userId) { 3125 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3126 | PackageManager.MATCH_ENCRYPTION_AWARE)) != 0) { 3127 // Caller expressed an explicit opinion about what encryption 3128 // aware/unaware components they want to see, so fall through and 3129 // give them what they want 3130 } else { 3131 // Caller expressed no opinion, so match based on user state 3132 if (isUserKeyUnlocked(userId)) { 3133 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 3134 } else { 3135 flags |= PackageManager.MATCH_ENCRYPTION_AWARE; 3136 } 3137 } 3138 return flags; 3139 } 3140 3141 /** 3142 * Update given flags when being used to request {@link PackageInfo}. 3143 */ 3144 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3145 boolean triaged = true; 3146 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3147 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3148 // Caller is asking for component details, so they'd better be 3149 // asking for specific encryption matching behavior, or be triaged 3150 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3151 | PackageManager.MATCH_ENCRYPTION_AWARE 3152 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3153 triaged = false; 3154 } 3155 } 3156 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3157 | PackageManager.MATCH_SYSTEM_ONLY 3158 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3159 triaged = false; 3160 } 3161 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3162 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3163 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3164 } 3165 return updateFlagsForEncryption(flags, userId); 3166 } 3167 3168 /** 3169 * Update given flags when being used to request {@link ApplicationInfo}. 3170 */ 3171 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3172 return updateFlagsForPackage(flags, userId, cookie); 3173 } 3174 3175 /** 3176 * Update given flags when being used to request {@link ComponentInfo}. 3177 */ 3178 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3179 if (cookie instanceof Intent) { 3180 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3181 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3182 } 3183 } 3184 3185 boolean triaged = true; 3186 // Caller is asking for component details, so they'd better be 3187 // asking for specific encryption matching behavior, or be triaged 3188 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3189 | PackageManager.MATCH_ENCRYPTION_AWARE 3190 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3191 triaged = false; 3192 } 3193 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3194 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3195 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3196 } 3197 return updateFlagsForEncryption(flags, userId); 3198 } 3199 3200 /** 3201 * Update given flags when being used to request {@link ResolveInfo}. 3202 */ 3203 private int updateFlagsForResolve(int flags, int userId, Object cookie) { 3204 return updateFlagsForComponent(flags, userId, cookie); 3205 } 3206 3207 @Override 3208 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3209 if (!sUserManager.exists(userId)) return null; 3210 flags = updateFlagsForComponent(flags, userId, component); 3211 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3212 synchronized (mPackages) { 3213 PackageParser.Activity a = mActivities.mActivities.get(component); 3214 3215 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3216 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3217 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3218 if (ps == null) return null; 3219 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3220 userId); 3221 } 3222 if (mResolveComponentName.equals(component)) { 3223 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3224 new PackageUserState(), userId); 3225 } 3226 } 3227 return null; 3228 } 3229 3230 @Override 3231 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3232 String resolvedType) { 3233 synchronized (mPackages) { 3234 if (component.equals(mResolveComponentName)) { 3235 // The resolver supports EVERYTHING! 3236 return true; 3237 } 3238 PackageParser.Activity a = mActivities.mActivities.get(component); 3239 if (a == null) { 3240 return false; 3241 } 3242 for (int i=0; i<a.intents.size(); i++) { 3243 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3244 intent.getData(), intent.getCategories(), TAG) >= 0) { 3245 return true; 3246 } 3247 } 3248 return false; 3249 } 3250 } 3251 3252 @Override 3253 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3254 if (!sUserManager.exists(userId)) return null; 3255 flags = updateFlagsForComponent(flags, userId, component); 3256 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3257 synchronized (mPackages) { 3258 PackageParser.Activity a = mReceivers.mActivities.get(component); 3259 if (DEBUG_PACKAGE_INFO) Log.v( 3260 TAG, "getReceiverInfo " + component + ": " + a); 3261 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3262 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3263 if (ps == null) return null; 3264 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3265 userId); 3266 } 3267 } 3268 return null; 3269 } 3270 3271 @Override 3272 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3273 if (!sUserManager.exists(userId)) return null; 3274 flags = updateFlagsForComponent(flags, userId, component); 3275 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3276 synchronized (mPackages) { 3277 PackageParser.Service s = mServices.mServices.get(component); 3278 if (DEBUG_PACKAGE_INFO) Log.v( 3279 TAG, "getServiceInfo " + component + ": " + s); 3280 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3281 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3282 if (ps == null) return null; 3283 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3284 userId); 3285 } 3286 } 3287 return null; 3288 } 3289 3290 @Override 3291 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3292 if (!sUserManager.exists(userId)) return null; 3293 flags = updateFlagsForComponent(flags, userId, component); 3294 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3295 synchronized (mPackages) { 3296 PackageParser.Provider p = mProviders.mProviders.get(component); 3297 if (DEBUG_PACKAGE_INFO) Log.v( 3298 TAG, "getProviderInfo " + component + ": " + p); 3299 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3300 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3301 if (ps == null) return null; 3302 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3303 userId); 3304 } 3305 } 3306 return null; 3307 } 3308 3309 @Override 3310 public String[] getSystemSharedLibraryNames() { 3311 Set<String> libSet; 3312 synchronized (mPackages) { 3313 libSet = mSharedLibraries.keySet(); 3314 int size = libSet.size(); 3315 if (size > 0) { 3316 String[] libs = new String[size]; 3317 libSet.toArray(libs); 3318 return libs; 3319 } 3320 } 3321 return null; 3322 } 3323 3324 /** 3325 * @hide 3326 */ 3327 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3328 synchronized (mPackages) { 3329 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3330 if (lib != null && lib.apk != null) { 3331 return mPackages.get(lib.apk); 3332 } 3333 } 3334 return null; 3335 } 3336 3337 @Override 3338 public FeatureInfo[] getSystemAvailableFeatures() { 3339 Collection<FeatureInfo> featSet; 3340 synchronized (mPackages) { 3341 featSet = mAvailableFeatures.values(); 3342 int size = featSet.size(); 3343 if (size > 0) { 3344 FeatureInfo[] features = new FeatureInfo[size+1]; 3345 featSet.toArray(features); 3346 FeatureInfo fi = new FeatureInfo(); 3347 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3348 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3349 features[size] = fi; 3350 return features; 3351 } 3352 } 3353 return null; 3354 } 3355 3356 @Override 3357 public boolean hasSystemFeature(String name) { 3358 synchronized (mPackages) { 3359 return mAvailableFeatures.containsKey(name); 3360 } 3361 } 3362 3363 @Override 3364 public int checkPermission(String permName, String pkgName, int userId) { 3365 if (!sUserManager.exists(userId)) { 3366 return PackageManager.PERMISSION_DENIED; 3367 } 3368 3369 synchronized (mPackages) { 3370 final PackageParser.Package p = mPackages.get(pkgName); 3371 if (p != null && p.mExtras != null) { 3372 final PackageSetting ps = (PackageSetting) p.mExtras; 3373 final PermissionsState permissionsState = ps.getPermissionsState(); 3374 if (permissionsState.hasPermission(permName, userId)) { 3375 return PackageManager.PERMISSION_GRANTED; 3376 } 3377 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3378 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3379 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3380 return PackageManager.PERMISSION_GRANTED; 3381 } 3382 } 3383 } 3384 3385 return PackageManager.PERMISSION_DENIED; 3386 } 3387 3388 @Override 3389 public int checkUidPermission(String permName, int uid) { 3390 final int userId = UserHandle.getUserId(uid); 3391 3392 if (!sUserManager.exists(userId)) { 3393 return PackageManager.PERMISSION_DENIED; 3394 } 3395 3396 synchronized (mPackages) { 3397 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3398 if (obj != null) { 3399 final SettingBase ps = (SettingBase) obj; 3400 final PermissionsState permissionsState = ps.getPermissionsState(); 3401 if (permissionsState.hasPermission(permName, userId)) { 3402 return PackageManager.PERMISSION_GRANTED; 3403 } 3404 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3405 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3406 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3407 return PackageManager.PERMISSION_GRANTED; 3408 } 3409 } else { 3410 ArraySet<String> perms = mSystemPermissions.get(uid); 3411 if (perms != null) { 3412 if (perms.contains(permName)) { 3413 return PackageManager.PERMISSION_GRANTED; 3414 } 3415 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3416 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3417 return PackageManager.PERMISSION_GRANTED; 3418 } 3419 } 3420 } 3421 } 3422 3423 return PackageManager.PERMISSION_DENIED; 3424 } 3425 3426 @Override 3427 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3428 if (UserHandle.getCallingUserId() != userId) { 3429 mContext.enforceCallingPermission( 3430 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3431 "isPermissionRevokedByPolicy for user " + userId); 3432 } 3433 3434 if (checkPermission(permission, packageName, userId) 3435 == PackageManager.PERMISSION_GRANTED) { 3436 return false; 3437 } 3438 3439 final long identity = Binder.clearCallingIdentity(); 3440 try { 3441 final int flags = getPermissionFlags(permission, packageName, userId); 3442 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3443 } finally { 3444 Binder.restoreCallingIdentity(identity); 3445 } 3446 } 3447 3448 @Override 3449 public String getPermissionControllerPackageName() { 3450 synchronized (mPackages) { 3451 return mRequiredInstallerPackage; 3452 } 3453 } 3454 3455 /** 3456 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3457 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3458 * @param checkShell TODO(yamasani): 3459 * @param message the message to log on security exception 3460 */ 3461 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3462 boolean checkShell, String message) { 3463 if (userId < 0) { 3464 throw new IllegalArgumentException("Invalid userId " + userId); 3465 } 3466 if (checkShell) { 3467 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3468 } 3469 if (userId == UserHandle.getUserId(callingUid)) return; 3470 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3471 if (requireFullPermission) { 3472 mContext.enforceCallingOrSelfPermission( 3473 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3474 } else { 3475 try { 3476 mContext.enforceCallingOrSelfPermission( 3477 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3478 } catch (SecurityException se) { 3479 mContext.enforceCallingOrSelfPermission( 3480 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3481 } 3482 } 3483 } 3484 } 3485 3486 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3487 if (callingUid == Process.SHELL_UID) { 3488 if (userHandle >= 0 3489 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3490 throw new SecurityException("Shell does not have permission to access user " 3491 + userHandle); 3492 } else if (userHandle < 0) { 3493 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3494 + Debug.getCallers(3)); 3495 } 3496 } 3497 } 3498 3499 private BasePermission findPermissionTreeLP(String permName) { 3500 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3501 if (permName.startsWith(bp.name) && 3502 permName.length() > bp.name.length() && 3503 permName.charAt(bp.name.length()) == '.') { 3504 return bp; 3505 } 3506 } 3507 return null; 3508 } 3509 3510 private BasePermission checkPermissionTreeLP(String permName) { 3511 if (permName != null) { 3512 BasePermission bp = findPermissionTreeLP(permName); 3513 if (bp != null) { 3514 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3515 return bp; 3516 } 3517 throw new SecurityException("Calling uid " 3518 + Binder.getCallingUid() 3519 + " is not allowed to add to permission tree " 3520 + bp.name + " owned by uid " + bp.uid); 3521 } 3522 } 3523 throw new SecurityException("No permission tree found for " + permName); 3524 } 3525 3526 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3527 if (s1 == null) { 3528 return s2 == null; 3529 } 3530 if (s2 == null) { 3531 return false; 3532 } 3533 if (s1.getClass() != s2.getClass()) { 3534 return false; 3535 } 3536 return s1.equals(s2); 3537 } 3538 3539 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3540 if (pi1.icon != pi2.icon) return false; 3541 if (pi1.logo != pi2.logo) return false; 3542 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3543 if (!compareStrings(pi1.name, pi2.name)) return false; 3544 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3545 // We'll take care of setting this one. 3546 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3547 // These are not currently stored in settings. 3548 //if (!compareStrings(pi1.group, pi2.group)) return false; 3549 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3550 //if (pi1.labelRes != pi2.labelRes) return false; 3551 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3552 return true; 3553 } 3554 3555 int permissionInfoFootprint(PermissionInfo info) { 3556 int size = info.name.length(); 3557 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3558 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3559 return size; 3560 } 3561 3562 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3563 int size = 0; 3564 for (BasePermission perm : mSettings.mPermissions.values()) { 3565 if (perm.uid == tree.uid) { 3566 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3567 } 3568 } 3569 return size; 3570 } 3571 3572 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3573 // We calculate the max size of permissions defined by this uid and throw 3574 // if that plus the size of 'info' would exceed our stated maximum. 3575 if (tree.uid != Process.SYSTEM_UID) { 3576 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3577 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3578 throw new SecurityException("Permission tree size cap exceeded"); 3579 } 3580 } 3581 } 3582 3583 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3584 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3585 throw new SecurityException("Label must be specified in permission"); 3586 } 3587 BasePermission tree = checkPermissionTreeLP(info.name); 3588 BasePermission bp = mSettings.mPermissions.get(info.name); 3589 boolean added = bp == null; 3590 boolean changed = true; 3591 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3592 if (added) { 3593 enforcePermissionCapLocked(info, tree); 3594 bp = new BasePermission(info.name, tree.sourcePackage, 3595 BasePermission.TYPE_DYNAMIC); 3596 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3597 throw new SecurityException( 3598 "Not allowed to modify non-dynamic permission " 3599 + info.name); 3600 } else { 3601 if (bp.protectionLevel == fixedLevel 3602 && bp.perm.owner.equals(tree.perm.owner) 3603 && bp.uid == tree.uid 3604 && comparePermissionInfos(bp.perm.info, info)) { 3605 changed = false; 3606 } 3607 } 3608 bp.protectionLevel = fixedLevel; 3609 info = new PermissionInfo(info); 3610 info.protectionLevel = fixedLevel; 3611 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3612 bp.perm.info.packageName = tree.perm.info.packageName; 3613 bp.uid = tree.uid; 3614 if (added) { 3615 mSettings.mPermissions.put(info.name, bp); 3616 } 3617 if (changed) { 3618 if (!async) { 3619 mSettings.writeLPr(); 3620 } else { 3621 scheduleWriteSettingsLocked(); 3622 } 3623 } 3624 return added; 3625 } 3626 3627 @Override 3628 public boolean addPermission(PermissionInfo info) { 3629 synchronized (mPackages) { 3630 return addPermissionLocked(info, false); 3631 } 3632 } 3633 3634 @Override 3635 public boolean addPermissionAsync(PermissionInfo info) { 3636 synchronized (mPackages) { 3637 return addPermissionLocked(info, true); 3638 } 3639 } 3640 3641 @Override 3642 public void removePermission(String name) { 3643 synchronized (mPackages) { 3644 checkPermissionTreeLP(name); 3645 BasePermission bp = mSettings.mPermissions.get(name); 3646 if (bp != null) { 3647 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3648 throw new SecurityException( 3649 "Not allowed to modify non-dynamic permission " 3650 + name); 3651 } 3652 mSettings.mPermissions.remove(name); 3653 mSettings.writeLPr(); 3654 } 3655 } 3656 } 3657 3658 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3659 BasePermission bp) { 3660 int index = pkg.requestedPermissions.indexOf(bp.name); 3661 if (index == -1) { 3662 throw new SecurityException("Package " + pkg.packageName 3663 + " has not requested permission " + bp.name); 3664 } 3665 if (!bp.isRuntime() && !bp.isDevelopment()) { 3666 throw new SecurityException("Permission " + bp.name 3667 + " is not a changeable permission type"); 3668 } 3669 } 3670 3671 @Override 3672 public void grantRuntimePermission(String packageName, String name, final int userId) { 3673 if (!sUserManager.exists(userId)) { 3674 Log.e(TAG, "No such user:" + userId); 3675 return; 3676 } 3677 3678 mContext.enforceCallingOrSelfPermission( 3679 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3680 "grantRuntimePermission"); 3681 3682 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3683 "grantRuntimePermission"); 3684 3685 final int uid; 3686 final SettingBase sb; 3687 3688 synchronized (mPackages) { 3689 final PackageParser.Package pkg = mPackages.get(packageName); 3690 if (pkg == null) { 3691 throw new IllegalArgumentException("Unknown package: " + packageName); 3692 } 3693 3694 final BasePermission bp = mSettings.mPermissions.get(name); 3695 if (bp == null) { 3696 throw new IllegalArgumentException("Unknown permission: " + name); 3697 } 3698 3699 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3700 3701 // If a permission review is required for legacy apps we represent 3702 // their permissions as always granted runtime ones since we need 3703 // to keep the review required permission flag per user while an 3704 // install permission's state is shared across all users. 3705 if (Build.PERMISSIONS_REVIEW_REQUIRED 3706 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3707 && bp.isRuntime()) { 3708 return; 3709 } 3710 3711 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3712 sb = (SettingBase) pkg.mExtras; 3713 if (sb == null) { 3714 throw new IllegalArgumentException("Unknown package: " + packageName); 3715 } 3716 3717 final PermissionsState permissionsState = sb.getPermissionsState(); 3718 3719 final int flags = permissionsState.getPermissionFlags(name, userId); 3720 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3721 throw new SecurityException("Cannot grant system fixed permission " 3722 + name + " for package " + packageName); 3723 } 3724 3725 if (bp.isDevelopment()) { 3726 // Development permissions must be handled specially, since they are not 3727 // normal runtime permissions. For now they apply to all users. 3728 if (permissionsState.grantInstallPermission(bp) != 3729 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3730 scheduleWriteSettingsLocked(); 3731 } 3732 return; 3733 } 3734 3735 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3736 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3737 return; 3738 } 3739 3740 final int result = permissionsState.grantRuntimePermission(bp, userId); 3741 switch (result) { 3742 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3743 return; 3744 } 3745 3746 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3747 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3748 mHandler.post(new Runnable() { 3749 @Override 3750 public void run() { 3751 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3752 } 3753 }); 3754 } 3755 break; 3756 } 3757 3758 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3759 3760 // Not critical if that is lost - app has to request again. 3761 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3762 } 3763 3764 // Only need to do this if user is initialized. Otherwise it's a new user 3765 // and there are no processes running as the user yet and there's no need 3766 // to make an expensive call to remount processes for the changed permissions. 3767 if (READ_EXTERNAL_STORAGE.equals(name) 3768 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3769 final long token = Binder.clearCallingIdentity(); 3770 try { 3771 if (sUserManager.isInitialized(userId)) { 3772 MountServiceInternal mountServiceInternal = LocalServices.getService( 3773 MountServiceInternal.class); 3774 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3775 } 3776 } finally { 3777 Binder.restoreCallingIdentity(token); 3778 } 3779 } 3780 } 3781 3782 @Override 3783 public void revokeRuntimePermission(String packageName, String name, int userId) { 3784 if (!sUserManager.exists(userId)) { 3785 Log.e(TAG, "No such user:" + userId); 3786 return; 3787 } 3788 3789 mContext.enforceCallingOrSelfPermission( 3790 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3791 "revokeRuntimePermission"); 3792 3793 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3794 "revokeRuntimePermission"); 3795 3796 final int appId; 3797 3798 synchronized (mPackages) { 3799 final PackageParser.Package pkg = mPackages.get(packageName); 3800 if (pkg == null) { 3801 throw new IllegalArgumentException("Unknown package: " + packageName); 3802 } 3803 3804 final BasePermission bp = mSettings.mPermissions.get(name); 3805 if (bp == null) { 3806 throw new IllegalArgumentException("Unknown permission: " + name); 3807 } 3808 3809 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3810 3811 // If a permission review is required for legacy apps we represent 3812 // their permissions as always granted runtime ones since we need 3813 // to keep the review required permission flag per user while an 3814 // install permission's state is shared across all users. 3815 if (Build.PERMISSIONS_REVIEW_REQUIRED 3816 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3817 && bp.isRuntime()) { 3818 return; 3819 } 3820 3821 SettingBase sb = (SettingBase) pkg.mExtras; 3822 if (sb == null) { 3823 throw new IllegalArgumentException("Unknown package: " + packageName); 3824 } 3825 3826 final PermissionsState permissionsState = sb.getPermissionsState(); 3827 3828 final int flags = permissionsState.getPermissionFlags(name, userId); 3829 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3830 throw new SecurityException("Cannot revoke system fixed permission " 3831 + name + " for package " + packageName); 3832 } 3833 3834 if (bp.isDevelopment()) { 3835 // Development permissions must be handled specially, since they are not 3836 // normal runtime permissions. For now they apply to all users. 3837 if (permissionsState.revokeInstallPermission(bp) != 3838 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3839 scheduleWriteSettingsLocked(); 3840 } 3841 return; 3842 } 3843 3844 if (permissionsState.revokeRuntimePermission(bp, userId) == 3845 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3846 return; 3847 } 3848 3849 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3850 3851 // Critical, after this call app should never have the permission. 3852 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3853 3854 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3855 } 3856 3857 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3858 } 3859 3860 @Override 3861 public void resetRuntimePermissions() { 3862 mContext.enforceCallingOrSelfPermission( 3863 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3864 "revokeRuntimePermission"); 3865 3866 int callingUid = Binder.getCallingUid(); 3867 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3868 mContext.enforceCallingOrSelfPermission( 3869 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3870 "resetRuntimePermissions"); 3871 } 3872 3873 synchronized (mPackages) { 3874 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3875 for (int userId : UserManagerService.getInstance().getUserIds()) { 3876 final int packageCount = mPackages.size(); 3877 for (int i = 0; i < packageCount; i++) { 3878 PackageParser.Package pkg = mPackages.valueAt(i); 3879 if (!(pkg.mExtras instanceof PackageSetting)) { 3880 continue; 3881 } 3882 PackageSetting ps = (PackageSetting) pkg.mExtras; 3883 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3884 } 3885 } 3886 } 3887 } 3888 3889 @Override 3890 public int getPermissionFlags(String name, String packageName, int userId) { 3891 if (!sUserManager.exists(userId)) { 3892 return 0; 3893 } 3894 3895 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3896 3897 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3898 "getPermissionFlags"); 3899 3900 synchronized (mPackages) { 3901 final PackageParser.Package pkg = mPackages.get(packageName); 3902 if (pkg == null) { 3903 throw new IllegalArgumentException("Unknown package: " + packageName); 3904 } 3905 3906 final BasePermission bp = mSettings.mPermissions.get(name); 3907 if (bp == null) { 3908 throw new IllegalArgumentException("Unknown permission: " + name); 3909 } 3910 3911 SettingBase sb = (SettingBase) pkg.mExtras; 3912 if (sb == null) { 3913 throw new IllegalArgumentException("Unknown package: " + packageName); 3914 } 3915 3916 PermissionsState permissionsState = sb.getPermissionsState(); 3917 return permissionsState.getPermissionFlags(name, userId); 3918 } 3919 } 3920 3921 @Override 3922 public void updatePermissionFlags(String name, String packageName, int flagMask, 3923 int flagValues, int userId) { 3924 if (!sUserManager.exists(userId)) { 3925 return; 3926 } 3927 3928 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3929 3930 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3931 "updatePermissionFlags"); 3932 3933 // Only the system can change these flags and nothing else. 3934 if (getCallingUid() != Process.SYSTEM_UID) { 3935 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3936 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3937 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3938 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3939 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 3940 } 3941 3942 synchronized (mPackages) { 3943 final PackageParser.Package pkg = mPackages.get(packageName); 3944 if (pkg == null) { 3945 throw new IllegalArgumentException("Unknown package: " + packageName); 3946 } 3947 3948 final BasePermission bp = mSettings.mPermissions.get(name); 3949 if (bp == null) { 3950 throw new IllegalArgumentException("Unknown permission: " + name); 3951 } 3952 3953 SettingBase sb = (SettingBase) pkg.mExtras; 3954 if (sb == null) { 3955 throw new IllegalArgumentException("Unknown package: " + packageName); 3956 } 3957 3958 PermissionsState permissionsState = sb.getPermissionsState(); 3959 3960 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3961 3962 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3963 // Install and runtime permissions are stored in different places, 3964 // so figure out what permission changed and persist the change. 3965 if (permissionsState.getInstallPermissionState(name) != null) { 3966 scheduleWriteSettingsLocked(); 3967 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3968 || hadState) { 3969 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3970 } 3971 } 3972 } 3973 } 3974 3975 /** 3976 * Update the permission flags for all packages and runtime permissions of a user in order 3977 * to allow device or profile owner to remove POLICY_FIXED. 3978 */ 3979 @Override 3980 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3981 if (!sUserManager.exists(userId)) { 3982 return; 3983 } 3984 3985 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3986 3987 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3988 "updatePermissionFlagsForAllApps"); 3989 3990 // Only the system can change system fixed flags. 3991 if (getCallingUid() != Process.SYSTEM_UID) { 3992 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3993 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3994 } 3995 3996 synchronized (mPackages) { 3997 boolean changed = false; 3998 final int packageCount = mPackages.size(); 3999 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4000 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4001 SettingBase sb = (SettingBase) pkg.mExtras; 4002 if (sb == null) { 4003 continue; 4004 } 4005 PermissionsState permissionsState = sb.getPermissionsState(); 4006 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4007 userId, flagMask, flagValues); 4008 } 4009 if (changed) { 4010 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4011 } 4012 } 4013 } 4014 4015 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4016 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4017 != PackageManager.PERMISSION_GRANTED 4018 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4019 != PackageManager.PERMISSION_GRANTED) { 4020 throw new SecurityException(message + " requires " 4021 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4022 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4023 } 4024 } 4025 4026 @Override 4027 public boolean shouldShowRequestPermissionRationale(String permissionName, 4028 String packageName, int userId) { 4029 if (UserHandle.getCallingUserId() != userId) { 4030 mContext.enforceCallingPermission( 4031 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4032 "canShowRequestPermissionRationale for user " + userId); 4033 } 4034 4035 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4036 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4037 return false; 4038 } 4039 4040 if (checkPermission(permissionName, packageName, userId) 4041 == PackageManager.PERMISSION_GRANTED) { 4042 return false; 4043 } 4044 4045 final int flags; 4046 4047 final long identity = Binder.clearCallingIdentity(); 4048 try { 4049 flags = getPermissionFlags(permissionName, 4050 packageName, userId); 4051 } finally { 4052 Binder.restoreCallingIdentity(identity); 4053 } 4054 4055 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4056 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4057 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4058 4059 if ((flags & fixedFlags) != 0) { 4060 return false; 4061 } 4062 4063 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4064 } 4065 4066 @Override 4067 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4068 mContext.enforceCallingOrSelfPermission( 4069 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4070 "addOnPermissionsChangeListener"); 4071 4072 synchronized (mPackages) { 4073 mOnPermissionChangeListeners.addListenerLocked(listener); 4074 } 4075 } 4076 4077 @Override 4078 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4079 synchronized (mPackages) { 4080 mOnPermissionChangeListeners.removeListenerLocked(listener); 4081 } 4082 } 4083 4084 @Override 4085 public boolean isProtectedBroadcast(String actionName) { 4086 synchronized (mPackages) { 4087 if (mProtectedBroadcasts.contains(actionName)) { 4088 return true; 4089 } else if (actionName != null) { 4090 // TODO: remove these terrible hacks 4091 if (actionName.startsWith("android.net.netmon.lingerExpired") 4092 || actionName.startsWith("com.android.server.sip.SipWakeupTimer")) { 4093 return true; 4094 } 4095 } 4096 } 4097 return false; 4098 } 4099 4100 @Override 4101 public int checkSignatures(String pkg1, String pkg2) { 4102 synchronized (mPackages) { 4103 final PackageParser.Package p1 = mPackages.get(pkg1); 4104 final PackageParser.Package p2 = mPackages.get(pkg2); 4105 if (p1 == null || p1.mExtras == null 4106 || p2 == null || p2.mExtras == null) { 4107 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4108 } 4109 return compareSignatures(p1.mSignatures, p2.mSignatures); 4110 } 4111 } 4112 4113 @Override 4114 public int checkUidSignatures(int uid1, int uid2) { 4115 // Map to base uids. 4116 uid1 = UserHandle.getAppId(uid1); 4117 uid2 = UserHandle.getAppId(uid2); 4118 // reader 4119 synchronized (mPackages) { 4120 Signature[] s1; 4121 Signature[] s2; 4122 Object obj = mSettings.getUserIdLPr(uid1); 4123 if (obj != null) { 4124 if (obj instanceof SharedUserSetting) { 4125 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4126 } else if (obj instanceof PackageSetting) { 4127 s1 = ((PackageSetting)obj).signatures.mSignatures; 4128 } else { 4129 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4130 } 4131 } else { 4132 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4133 } 4134 obj = mSettings.getUserIdLPr(uid2); 4135 if (obj != null) { 4136 if (obj instanceof SharedUserSetting) { 4137 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4138 } else if (obj instanceof PackageSetting) { 4139 s2 = ((PackageSetting)obj).signatures.mSignatures; 4140 } else { 4141 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4142 } 4143 } else { 4144 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4145 } 4146 return compareSignatures(s1, s2); 4147 } 4148 } 4149 4150 private void killUid(int appId, int userId, String reason) { 4151 final long identity = Binder.clearCallingIdentity(); 4152 try { 4153 IActivityManager am = ActivityManagerNative.getDefault(); 4154 if (am != null) { 4155 try { 4156 am.killUid(appId, userId, reason); 4157 } catch (RemoteException e) { 4158 /* ignore - same process */ 4159 } 4160 } 4161 } finally { 4162 Binder.restoreCallingIdentity(identity); 4163 } 4164 } 4165 4166 /** 4167 * Compares two sets of signatures. Returns: 4168 * <br /> 4169 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4170 * <br /> 4171 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4172 * <br /> 4173 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4174 * <br /> 4175 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4176 * <br /> 4177 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4178 */ 4179 static int compareSignatures(Signature[] s1, Signature[] s2) { 4180 if (s1 == null) { 4181 return s2 == null 4182 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4183 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4184 } 4185 4186 if (s2 == null) { 4187 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4188 } 4189 4190 if (s1.length != s2.length) { 4191 return PackageManager.SIGNATURE_NO_MATCH; 4192 } 4193 4194 // Since both signature sets are of size 1, we can compare without HashSets. 4195 if (s1.length == 1) { 4196 return s1[0].equals(s2[0]) ? 4197 PackageManager.SIGNATURE_MATCH : 4198 PackageManager.SIGNATURE_NO_MATCH; 4199 } 4200 4201 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4202 for (Signature sig : s1) { 4203 set1.add(sig); 4204 } 4205 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4206 for (Signature sig : s2) { 4207 set2.add(sig); 4208 } 4209 // Make sure s2 contains all signatures in s1. 4210 if (set1.equals(set2)) { 4211 return PackageManager.SIGNATURE_MATCH; 4212 } 4213 return PackageManager.SIGNATURE_NO_MATCH; 4214 } 4215 4216 /** 4217 * If the database version for this type of package (internal storage or 4218 * external storage) is less than the version where package signatures 4219 * were updated, return true. 4220 */ 4221 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4222 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4223 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4224 } 4225 4226 /** 4227 * Used for backward compatibility to make sure any packages with 4228 * certificate chains get upgraded to the new style. {@code existingSigs} 4229 * will be in the old format (since they were stored on disk from before the 4230 * system upgrade) and {@code scannedSigs} will be in the newer format. 4231 */ 4232 private int compareSignaturesCompat(PackageSignatures existingSigs, 4233 PackageParser.Package scannedPkg) { 4234 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4235 return PackageManager.SIGNATURE_NO_MATCH; 4236 } 4237 4238 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4239 for (Signature sig : existingSigs.mSignatures) { 4240 existingSet.add(sig); 4241 } 4242 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4243 for (Signature sig : scannedPkg.mSignatures) { 4244 try { 4245 Signature[] chainSignatures = sig.getChainSignatures(); 4246 for (Signature chainSig : chainSignatures) { 4247 scannedCompatSet.add(chainSig); 4248 } 4249 } catch (CertificateEncodingException e) { 4250 scannedCompatSet.add(sig); 4251 } 4252 } 4253 /* 4254 * Make sure the expanded scanned set contains all signatures in the 4255 * existing one. 4256 */ 4257 if (scannedCompatSet.equals(existingSet)) { 4258 // Migrate the old signatures to the new scheme. 4259 existingSigs.assignSignatures(scannedPkg.mSignatures); 4260 // The new KeySets will be re-added later in the scanning process. 4261 synchronized (mPackages) { 4262 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4263 } 4264 return PackageManager.SIGNATURE_MATCH; 4265 } 4266 return PackageManager.SIGNATURE_NO_MATCH; 4267 } 4268 4269 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4270 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4271 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4272 } 4273 4274 private int compareSignaturesRecover(PackageSignatures existingSigs, 4275 PackageParser.Package scannedPkg) { 4276 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4277 return PackageManager.SIGNATURE_NO_MATCH; 4278 } 4279 4280 String msg = null; 4281 try { 4282 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4283 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4284 + scannedPkg.packageName); 4285 return PackageManager.SIGNATURE_MATCH; 4286 } 4287 } catch (CertificateException e) { 4288 msg = e.getMessage(); 4289 } 4290 4291 logCriticalInfo(Log.INFO, 4292 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4293 return PackageManager.SIGNATURE_NO_MATCH; 4294 } 4295 4296 @Override 4297 public String[] getPackagesForUid(int uid) { 4298 uid = UserHandle.getAppId(uid); 4299 // reader 4300 synchronized (mPackages) { 4301 Object obj = mSettings.getUserIdLPr(uid); 4302 if (obj instanceof SharedUserSetting) { 4303 final SharedUserSetting sus = (SharedUserSetting) obj; 4304 final int N = sus.packages.size(); 4305 final String[] res = new String[N]; 4306 final Iterator<PackageSetting> it = sus.packages.iterator(); 4307 int i = 0; 4308 while (it.hasNext()) { 4309 res[i++] = it.next().name; 4310 } 4311 return res; 4312 } else if (obj instanceof PackageSetting) { 4313 final PackageSetting ps = (PackageSetting) obj; 4314 return new String[] { ps.name }; 4315 } 4316 } 4317 return null; 4318 } 4319 4320 @Override 4321 public String getNameForUid(int uid) { 4322 // reader 4323 synchronized (mPackages) { 4324 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4325 if (obj instanceof SharedUserSetting) { 4326 final SharedUserSetting sus = (SharedUserSetting) obj; 4327 return sus.name + ":" + sus.userId; 4328 } else if (obj instanceof PackageSetting) { 4329 final PackageSetting ps = (PackageSetting) obj; 4330 return ps.name; 4331 } 4332 } 4333 return null; 4334 } 4335 4336 @Override 4337 public int getUidForSharedUser(String sharedUserName) { 4338 if(sharedUserName == null) { 4339 return -1; 4340 } 4341 // reader 4342 synchronized (mPackages) { 4343 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4344 if (suid == null) { 4345 return -1; 4346 } 4347 return suid.userId; 4348 } 4349 } 4350 4351 @Override 4352 public int getFlagsForUid(int uid) { 4353 synchronized (mPackages) { 4354 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4355 if (obj instanceof SharedUserSetting) { 4356 final SharedUserSetting sus = (SharedUserSetting) obj; 4357 return sus.pkgFlags; 4358 } else if (obj instanceof PackageSetting) { 4359 final PackageSetting ps = (PackageSetting) obj; 4360 return ps.pkgFlags; 4361 } 4362 } 4363 return 0; 4364 } 4365 4366 @Override 4367 public int getPrivateFlagsForUid(int uid) { 4368 synchronized (mPackages) { 4369 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4370 if (obj instanceof SharedUserSetting) { 4371 final SharedUserSetting sus = (SharedUserSetting) obj; 4372 return sus.pkgPrivateFlags; 4373 } else if (obj instanceof PackageSetting) { 4374 final PackageSetting ps = (PackageSetting) obj; 4375 return ps.pkgPrivateFlags; 4376 } 4377 } 4378 return 0; 4379 } 4380 4381 @Override 4382 public boolean isUidPrivileged(int uid) { 4383 uid = UserHandle.getAppId(uid); 4384 // reader 4385 synchronized (mPackages) { 4386 Object obj = mSettings.getUserIdLPr(uid); 4387 if (obj instanceof SharedUserSetting) { 4388 final SharedUserSetting sus = (SharedUserSetting) obj; 4389 final Iterator<PackageSetting> it = sus.packages.iterator(); 4390 while (it.hasNext()) { 4391 if (it.next().isPrivileged()) { 4392 return true; 4393 } 4394 } 4395 } else if (obj instanceof PackageSetting) { 4396 final PackageSetting ps = (PackageSetting) obj; 4397 return ps.isPrivileged(); 4398 } 4399 } 4400 return false; 4401 } 4402 4403 @Override 4404 public String[] getAppOpPermissionPackages(String permissionName) { 4405 synchronized (mPackages) { 4406 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4407 if (pkgs == null) { 4408 return null; 4409 } 4410 return pkgs.toArray(new String[pkgs.size()]); 4411 } 4412 } 4413 4414 @Override 4415 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4416 int flags, int userId) { 4417 if (!sUserManager.exists(userId)) return null; 4418 flags = updateFlagsForResolve(flags, userId, intent); 4419 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4420 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4421 final ResolveInfo bestChoice = 4422 chooseBestActivity(intent, resolvedType, flags, query, userId); 4423 4424 if (isEphemeralAllowed(intent, query, userId)) { 4425 final EphemeralResolveInfo ai = 4426 getEphemeralResolveInfo(intent, resolvedType, userId); 4427 if (ai != null) { 4428 if (DEBUG_EPHEMERAL) { 4429 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4430 } 4431 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4432 bestChoice.ephemeralResolveInfo = ai; 4433 } 4434 } 4435 return bestChoice; 4436 } 4437 4438 @Override 4439 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4440 IntentFilter filter, int match, ComponentName activity) { 4441 final int userId = UserHandle.getCallingUserId(); 4442 if (DEBUG_PREFERRED) { 4443 Log.v(TAG, "setLastChosenActivity intent=" + intent 4444 + " resolvedType=" + resolvedType 4445 + " flags=" + flags 4446 + " filter=" + filter 4447 + " match=" + match 4448 + " activity=" + activity); 4449 filter.dump(new PrintStreamPrinter(System.out), " "); 4450 } 4451 intent.setComponent(null); 4452 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4453 // Find any earlier preferred or last chosen entries and nuke them 4454 findPreferredActivity(intent, resolvedType, 4455 flags, query, 0, false, true, false, userId); 4456 // Add the new activity as the last chosen for this filter 4457 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4458 "Setting last chosen"); 4459 } 4460 4461 @Override 4462 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4463 final int userId = UserHandle.getCallingUserId(); 4464 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4465 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4466 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4467 false, false, false, userId); 4468 } 4469 4470 4471 private boolean isEphemeralAllowed( 4472 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4473 // Short circuit and return early if possible. 4474 if (DISABLE_EPHEMERAL_APPS) { 4475 return false; 4476 } 4477 final int callingUser = UserHandle.getCallingUserId(); 4478 if (callingUser != UserHandle.USER_SYSTEM) { 4479 return false; 4480 } 4481 if (mEphemeralResolverConnection == null) { 4482 return false; 4483 } 4484 if (intent.getComponent() != null) { 4485 return false; 4486 } 4487 if (intent.getPackage() != null) { 4488 return false; 4489 } 4490 final boolean isWebUri = hasWebURI(intent); 4491 if (!isWebUri) { 4492 return false; 4493 } 4494 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4495 synchronized (mPackages) { 4496 final int count = resolvedActivites.size(); 4497 for (int n = 0; n < count; n++) { 4498 ResolveInfo info = resolvedActivites.get(n); 4499 String packageName = info.activityInfo.packageName; 4500 PackageSetting ps = mSettings.mPackages.get(packageName); 4501 if (ps != null) { 4502 // Try to get the status from User settings first 4503 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4504 int status = (int) (packedStatus >> 32); 4505 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4506 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4507 if (DEBUG_EPHEMERAL) { 4508 Slog.v(TAG, "DENY ephemeral apps;" 4509 + " pkg: " + packageName + ", status: " + status); 4510 } 4511 return false; 4512 } 4513 } 4514 } 4515 } 4516 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4517 return true; 4518 } 4519 4520 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4521 int userId) { 4522 MessageDigest digest = null; 4523 try { 4524 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4525 } catch (NoSuchAlgorithmException e) { 4526 // If we can't create a digest, ignore ephemeral apps. 4527 return null; 4528 } 4529 4530 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4531 final byte[] digestBytes = digest.digest(hostBytes); 4532 int shaPrefix = 4533 digestBytes[0] << 24 4534 | digestBytes[1] << 16 4535 | digestBytes[2] << 8 4536 | digestBytes[3] << 0; 4537 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4538 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4539 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4540 // No hash prefix match; there are no ephemeral apps for this domain. 4541 return null; 4542 } 4543 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4544 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4545 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4546 continue; 4547 } 4548 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4549 // No filters; this should never happen. 4550 if (filters.isEmpty()) { 4551 continue; 4552 } 4553 // We have a domain match; resolve the filters to see if anything matches. 4554 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4555 for (int j = filters.size() - 1; j >= 0; --j) { 4556 final EphemeralResolveIntentInfo intentInfo = 4557 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4558 ephemeralResolver.addFilter(intentInfo); 4559 } 4560 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4561 intent, resolvedType, false /*defaultOnly*/, userId); 4562 if (!matchedResolveInfoList.isEmpty()) { 4563 return matchedResolveInfoList.get(0); 4564 } 4565 } 4566 // Hash or filter mis-match; no ephemeral apps for this domain. 4567 return null; 4568 } 4569 4570 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4571 int flags, List<ResolveInfo> query, int userId) { 4572 if (query != null) { 4573 final int N = query.size(); 4574 if (N == 1) { 4575 return query.get(0); 4576 } else if (N > 1) { 4577 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4578 // If there is more than one activity with the same priority, 4579 // then let the user decide between them. 4580 ResolveInfo r0 = query.get(0); 4581 ResolveInfo r1 = query.get(1); 4582 if (DEBUG_INTENT_MATCHING || debug) { 4583 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4584 + r1.activityInfo.name + "=" + r1.priority); 4585 } 4586 // If the first activity has a higher priority, or a different 4587 // default, then it is always desirable to pick it. 4588 if (r0.priority != r1.priority 4589 || r0.preferredOrder != r1.preferredOrder 4590 || r0.isDefault != r1.isDefault) { 4591 return query.get(0); 4592 } 4593 // If we have saved a preference for a preferred activity for 4594 // this Intent, use that. 4595 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4596 flags, query, r0.priority, true, false, debug, userId); 4597 if (ri != null) { 4598 return ri; 4599 } 4600 ri = new ResolveInfo(mResolveInfo); 4601 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4602 ri.activityInfo.applicationInfo = new ApplicationInfo( 4603 ri.activityInfo.applicationInfo); 4604 if (userId != 0) { 4605 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4606 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4607 } 4608 // Make sure that the resolver is displayable in car mode 4609 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4610 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4611 return ri; 4612 } 4613 } 4614 return null; 4615 } 4616 4617 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4618 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4619 final int N = query.size(); 4620 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4621 .get(userId); 4622 // Get the list of persistent preferred activities that handle the intent 4623 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4624 List<PersistentPreferredActivity> pprefs = ppir != null 4625 ? ppir.queryIntent(intent, resolvedType, 4626 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4627 : null; 4628 if (pprefs != null && pprefs.size() > 0) { 4629 final int M = pprefs.size(); 4630 for (int i=0; i<M; i++) { 4631 final PersistentPreferredActivity ppa = pprefs.get(i); 4632 if (DEBUG_PREFERRED || debug) { 4633 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4634 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4635 + "\n component=" + ppa.mComponent); 4636 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4637 } 4638 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4639 flags | MATCH_DISABLED_COMPONENTS, userId); 4640 if (DEBUG_PREFERRED || debug) { 4641 Slog.v(TAG, "Found persistent preferred activity:"); 4642 if (ai != null) { 4643 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4644 } else { 4645 Slog.v(TAG, " null"); 4646 } 4647 } 4648 if (ai == null) { 4649 // This previously registered persistent preferred activity 4650 // component is no longer known. Ignore it and do NOT remove it. 4651 continue; 4652 } 4653 for (int j=0; j<N; j++) { 4654 final ResolveInfo ri = query.get(j); 4655 if (!ri.activityInfo.applicationInfo.packageName 4656 .equals(ai.applicationInfo.packageName)) { 4657 continue; 4658 } 4659 if (!ri.activityInfo.name.equals(ai.name)) { 4660 continue; 4661 } 4662 // Found a persistent preference that can handle the intent. 4663 if (DEBUG_PREFERRED || debug) { 4664 Slog.v(TAG, "Returning persistent preferred activity: " + 4665 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4666 } 4667 return ri; 4668 } 4669 } 4670 } 4671 return null; 4672 } 4673 4674 // TODO: handle preferred activities missing while user has amnesia 4675 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4676 List<ResolveInfo> query, int priority, boolean always, 4677 boolean removeMatches, boolean debug, int userId) { 4678 if (!sUserManager.exists(userId)) return null; 4679 flags = updateFlagsForResolve(flags, userId, intent); 4680 // writer 4681 synchronized (mPackages) { 4682 if (intent.getSelector() != null) { 4683 intent = intent.getSelector(); 4684 } 4685 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4686 4687 // Try to find a matching persistent preferred activity. 4688 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4689 debug, userId); 4690 4691 // If a persistent preferred activity matched, use it. 4692 if (pri != null) { 4693 return pri; 4694 } 4695 4696 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4697 // Get the list of preferred activities that handle the intent 4698 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4699 List<PreferredActivity> prefs = pir != null 4700 ? pir.queryIntent(intent, resolvedType, 4701 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4702 : null; 4703 if (prefs != null && prefs.size() > 0) { 4704 boolean changed = false; 4705 try { 4706 // First figure out how good the original match set is. 4707 // We will only allow preferred activities that came 4708 // from the same match quality. 4709 int match = 0; 4710 4711 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4712 4713 final int N = query.size(); 4714 for (int j=0; j<N; j++) { 4715 final ResolveInfo ri = query.get(j); 4716 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4717 + ": 0x" + Integer.toHexString(match)); 4718 if (ri.match > match) { 4719 match = ri.match; 4720 } 4721 } 4722 4723 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4724 + Integer.toHexString(match)); 4725 4726 match &= IntentFilter.MATCH_CATEGORY_MASK; 4727 final int M = prefs.size(); 4728 for (int i=0; i<M; i++) { 4729 final PreferredActivity pa = prefs.get(i); 4730 if (DEBUG_PREFERRED || debug) { 4731 Slog.v(TAG, "Checking PreferredActivity ds=" 4732 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4733 + "\n component=" + pa.mPref.mComponent); 4734 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4735 } 4736 if (pa.mPref.mMatch != match) { 4737 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4738 + Integer.toHexString(pa.mPref.mMatch)); 4739 continue; 4740 } 4741 // If it's not an "always" type preferred activity and that's what we're 4742 // looking for, skip it. 4743 if (always && !pa.mPref.mAlways) { 4744 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4745 continue; 4746 } 4747 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4748 flags | MATCH_DISABLED_COMPONENTS, userId); 4749 if (DEBUG_PREFERRED || debug) { 4750 Slog.v(TAG, "Found preferred activity:"); 4751 if (ai != null) { 4752 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4753 } else { 4754 Slog.v(TAG, " null"); 4755 } 4756 } 4757 if (ai == null) { 4758 // This previously registered preferred activity 4759 // component is no longer known. Most likely an update 4760 // to the app was installed and in the new version this 4761 // component no longer exists. Clean it up by removing 4762 // it from the preferred activities list, and skip it. 4763 Slog.w(TAG, "Removing dangling preferred activity: " 4764 + pa.mPref.mComponent); 4765 pir.removeFilter(pa); 4766 changed = true; 4767 continue; 4768 } 4769 for (int j=0; j<N; j++) { 4770 final ResolveInfo ri = query.get(j); 4771 if (!ri.activityInfo.applicationInfo.packageName 4772 .equals(ai.applicationInfo.packageName)) { 4773 continue; 4774 } 4775 if (!ri.activityInfo.name.equals(ai.name)) { 4776 continue; 4777 } 4778 4779 if (removeMatches) { 4780 pir.removeFilter(pa); 4781 changed = true; 4782 if (DEBUG_PREFERRED) { 4783 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4784 } 4785 break; 4786 } 4787 4788 // Okay we found a previously set preferred or last chosen app. 4789 // If the result set is different from when this 4790 // was created, we need to clear it and re-ask the 4791 // user their preference, if we're looking for an "always" type entry. 4792 if (always && !pa.mPref.sameSet(query)) { 4793 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4794 + intent + " type " + resolvedType); 4795 if (DEBUG_PREFERRED) { 4796 Slog.v(TAG, "Removing preferred activity since set changed " 4797 + pa.mPref.mComponent); 4798 } 4799 pir.removeFilter(pa); 4800 // Re-add the filter as a "last chosen" entry (!always) 4801 PreferredActivity lastChosen = new PreferredActivity( 4802 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4803 pir.addFilter(lastChosen); 4804 changed = true; 4805 return null; 4806 } 4807 4808 // Yay! Either the set matched or we're looking for the last chosen 4809 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4810 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4811 return ri; 4812 } 4813 } 4814 } finally { 4815 if (changed) { 4816 if (DEBUG_PREFERRED) { 4817 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4818 } 4819 scheduleWritePackageRestrictionsLocked(userId); 4820 } 4821 } 4822 } 4823 } 4824 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4825 return null; 4826 } 4827 4828 /* 4829 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4830 */ 4831 @Override 4832 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4833 int targetUserId) { 4834 mContext.enforceCallingOrSelfPermission( 4835 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4836 List<CrossProfileIntentFilter> matches = 4837 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4838 if (matches != null) { 4839 int size = matches.size(); 4840 for (int i = 0; i < size; i++) { 4841 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4842 } 4843 } 4844 if (hasWebURI(intent)) { 4845 // cross-profile app linking works only towards the parent. 4846 final UserInfo parent = getProfileParent(sourceUserId); 4847 synchronized(mPackages) { 4848 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4849 intent, resolvedType, 0, sourceUserId, parent.id); 4850 return xpDomainInfo != null; 4851 } 4852 } 4853 return false; 4854 } 4855 4856 private UserInfo getProfileParent(int userId) { 4857 final long identity = Binder.clearCallingIdentity(); 4858 try { 4859 return sUserManager.getProfileParent(userId); 4860 } finally { 4861 Binder.restoreCallingIdentity(identity); 4862 } 4863 } 4864 4865 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4866 String resolvedType, int userId) { 4867 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4868 if (resolver != null) { 4869 return resolver.queryIntent(intent, resolvedType, false, userId); 4870 } 4871 return null; 4872 } 4873 4874 @Override 4875 public List<ResolveInfo> queryIntentActivities(Intent intent, 4876 String resolvedType, int flags, int userId) { 4877 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4878 flags = updateFlagsForResolve(flags, userId, intent); 4879 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4880 ComponentName comp = intent.getComponent(); 4881 if (comp == null) { 4882 if (intent.getSelector() != null) { 4883 intent = intent.getSelector(); 4884 comp = intent.getComponent(); 4885 } 4886 } 4887 4888 if (comp != null) { 4889 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4890 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4891 if (ai != null) { 4892 final ResolveInfo ri = new ResolveInfo(); 4893 ri.activityInfo = ai; 4894 list.add(ri); 4895 } 4896 return list; 4897 } 4898 4899 // reader 4900 synchronized (mPackages) { 4901 final String pkgName = intent.getPackage(); 4902 if (pkgName == null) { 4903 List<CrossProfileIntentFilter> matchingFilters = 4904 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4905 // Check for results that need to skip the current profile. 4906 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4907 resolvedType, flags, userId); 4908 if (xpResolveInfo != null) { 4909 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4910 result.add(xpResolveInfo); 4911 return filterIfNotSystemUser(result, userId); 4912 } 4913 4914 // Check for results in the current profile. 4915 List<ResolveInfo> result = mActivities.queryIntent( 4916 intent, resolvedType, flags, userId); 4917 result = filterIfNotSystemUser(result, userId); 4918 4919 // Check for cross profile results. 4920 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 4921 xpResolveInfo = queryCrossProfileIntents( 4922 matchingFilters, intent, resolvedType, flags, userId, 4923 hasNonNegativePriorityResult); 4924 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4925 boolean isVisibleToUser = filterIfNotSystemUser( 4926 Collections.singletonList(xpResolveInfo), userId).size() > 0; 4927 if (isVisibleToUser) { 4928 result.add(xpResolveInfo); 4929 Collections.sort(result, mResolvePrioritySorter); 4930 } 4931 } 4932 if (hasWebURI(intent)) { 4933 CrossProfileDomainInfo xpDomainInfo = null; 4934 final UserInfo parent = getProfileParent(userId); 4935 if (parent != null) { 4936 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4937 flags, userId, parent.id); 4938 } 4939 if (xpDomainInfo != null) { 4940 if (xpResolveInfo != null) { 4941 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4942 // in the result. 4943 result.remove(xpResolveInfo); 4944 } 4945 if (result.size() == 0) { 4946 result.add(xpDomainInfo.resolveInfo); 4947 return result; 4948 } 4949 } else if (result.size() <= 1) { 4950 return result; 4951 } 4952 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4953 xpDomainInfo, userId); 4954 Collections.sort(result, mResolvePrioritySorter); 4955 } 4956 return result; 4957 } 4958 final PackageParser.Package pkg = mPackages.get(pkgName); 4959 if (pkg != null) { 4960 return filterIfNotSystemUser( 4961 mActivities.queryIntentForPackage( 4962 intent, resolvedType, flags, pkg.activities, userId), 4963 userId); 4964 } 4965 return new ArrayList<ResolveInfo>(); 4966 } 4967 } 4968 4969 private static class CrossProfileDomainInfo { 4970 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4971 ResolveInfo resolveInfo; 4972 /* Best domain verification status of the activities found in the other profile */ 4973 int bestDomainVerificationStatus; 4974 } 4975 4976 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4977 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4978 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4979 sourceUserId)) { 4980 return null; 4981 } 4982 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4983 resolvedType, flags, parentUserId); 4984 4985 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4986 return null; 4987 } 4988 CrossProfileDomainInfo result = null; 4989 int size = resultTargetUser.size(); 4990 for (int i = 0; i < size; i++) { 4991 ResolveInfo riTargetUser = resultTargetUser.get(i); 4992 // Intent filter verification is only for filters that specify a host. So don't return 4993 // those that handle all web uris. 4994 if (riTargetUser.handleAllWebDataURI) { 4995 continue; 4996 } 4997 String packageName = riTargetUser.activityInfo.packageName; 4998 PackageSetting ps = mSettings.mPackages.get(packageName); 4999 if (ps == null) { 5000 continue; 5001 } 5002 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5003 int status = (int)(verificationState >> 32); 5004 if (result == null) { 5005 result = new CrossProfileDomainInfo(); 5006 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5007 sourceUserId, parentUserId); 5008 result.bestDomainVerificationStatus = status; 5009 } else { 5010 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5011 result.bestDomainVerificationStatus); 5012 } 5013 } 5014 // Don't consider matches with status NEVER across profiles. 5015 if (result != null && result.bestDomainVerificationStatus 5016 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5017 return null; 5018 } 5019 return result; 5020 } 5021 5022 /** 5023 * Verification statuses are ordered from the worse to the best, except for 5024 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5025 */ 5026 private int bestDomainVerificationStatus(int status1, int status2) { 5027 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5028 return status2; 5029 } 5030 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5031 return status1; 5032 } 5033 return (int) MathUtils.max(status1, status2); 5034 } 5035 5036 private boolean isUserEnabled(int userId) { 5037 long callingId = Binder.clearCallingIdentity(); 5038 try { 5039 UserInfo userInfo = sUserManager.getUserInfo(userId); 5040 return userInfo != null && userInfo.isEnabled(); 5041 } finally { 5042 Binder.restoreCallingIdentity(callingId); 5043 } 5044 } 5045 5046 /** 5047 * Filter out activities with systemUserOnly flag set, when current user is not System. 5048 * 5049 * @return filtered list 5050 */ 5051 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5052 if (userId == UserHandle.USER_SYSTEM) { 5053 return resolveInfos; 5054 } 5055 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5056 ResolveInfo info = resolveInfos.get(i); 5057 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5058 resolveInfos.remove(i); 5059 } 5060 } 5061 return resolveInfos; 5062 } 5063 5064 /** 5065 * @param resolveInfos list of resolve infos in descending priority order 5066 * @return if the list contains a resolve info with non-negative priority 5067 */ 5068 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5069 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5070 } 5071 5072 private static boolean hasWebURI(Intent intent) { 5073 if (intent.getData() == null) { 5074 return false; 5075 } 5076 final String scheme = intent.getScheme(); 5077 if (TextUtils.isEmpty(scheme)) { 5078 return false; 5079 } 5080 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5081 } 5082 5083 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5084 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5085 int userId) { 5086 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5087 5088 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5089 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5090 candidates.size()); 5091 } 5092 5093 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5094 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5095 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5096 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5097 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5098 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5099 5100 synchronized (mPackages) { 5101 final int count = candidates.size(); 5102 // First, try to use linked apps. Partition the candidates into four lists: 5103 // one for the final results, one for the "do not use ever", one for "undefined status" 5104 // and finally one for "browser app type". 5105 for (int n=0; n<count; n++) { 5106 ResolveInfo info = candidates.get(n); 5107 String packageName = info.activityInfo.packageName; 5108 PackageSetting ps = mSettings.mPackages.get(packageName); 5109 if (ps != null) { 5110 // Add to the special match all list (Browser use case) 5111 if (info.handleAllWebDataURI) { 5112 matchAllList.add(info); 5113 continue; 5114 } 5115 // Try to get the status from User settings first 5116 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5117 int status = (int)(packedStatus >> 32); 5118 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5119 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5120 if (DEBUG_DOMAIN_VERIFICATION) { 5121 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5122 + " : linkgen=" + linkGeneration); 5123 } 5124 // Use link-enabled generation as preferredOrder, i.e. 5125 // prefer newly-enabled over earlier-enabled. 5126 info.preferredOrder = linkGeneration; 5127 alwaysList.add(info); 5128 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5129 if (DEBUG_DOMAIN_VERIFICATION) { 5130 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5131 } 5132 neverList.add(info); 5133 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5134 if (DEBUG_DOMAIN_VERIFICATION) { 5135 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5136 } 5137 alwaysAskList.add(info); 5138 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5139 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5140 if (DEBUG_DOMAIN_VERIFICATION) { 5141 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5142 } 5143 undefinedList.add(info); 5144 } 5145 } 5146 } 5147 5148 // We'll want to include browser possibilities in a few cases 5149 boolean includeBrowser = false; 5150 5151 // First try to add the "always" resolution(s) for the current user, if any 5152 if (alwaysList.size() > 0) { 5153 result.addAll(alwaysList); 5154 } else { 5155 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5156 result.addAll(undefinedList); 5157 // Maybe add one for the other profile. 5158 if (xpDomainInfo != null && ( 5159 xpDomainInfo.bestDomainVerificationStatus 5160 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5161 result.add(xpDomainInfo.resolveInfo); 5162 } 5163 includeBrowser = true; 5164 } 5165 5166 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5167 // If there were 'always' entries their preferred order has been set, so we also 5168 // back that off to make the alternatives equivalent 5169 if (alwaysAskList.size() > 0) { 5170 for (ResolveInfo i : result) { 5171 i.preferredOrder = 0; 5172 } 5173 result.addAll(alwaysAskList); 5174 includeBrowser = true; 5175 } 5176 5177 if (includeBrowser) { 5178 // Also add browsers (all of them or only the default one) 5179 if (DEBUG_DOMAIN_VERIFICATION) { 5180 Slog.v(TAG, " ...including browsers in candidate set"); 5181 } 5182 if ((matchFlags & MATCH_ALL) != 0) { 5183 result.addAll(matchAllList); 5184 } else { 5185 // Browser/generic handling case. If there's a default browser, go straight 5186 // to that (but only if there is no other higher-priority match). 5187 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5188 int maxMatchPrio = 0; 5189 ResolveInfo defaultBrowserMatch = null; 5190 final int numCandidates = matchAllList.size(); 5191 for (int n = 0; n < numCandidates; n++) { 5192 ResolveInfo info = matchAllList.get(n); 5193 // track the highest overall match priority... 5194 if (info.priority > maxMatchPrio) { 5195 maxMatchPrio = info.priority; 5196 } 5197 // ...and the highest-priority default browser match 5198 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5199 if (defaultBrowserMatch == null 5200 || (defaultBrowserMatch.priority < info.priority)) { 5201 if (debug) { 5202 Slog.v(TAG, "Considering default browser match " + info); 5203 } 5204 defaultBrowserMatch = info; 5205 } 5206 } 5207 } 5208 if (defaultBrowserMatch != null 5209 && defaultBrowserMatch.priority >= maxMatchPrio 5210 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5211 { 5212 if (debug) { 5213 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5214 } 5215 result.add(defaultBrowserMatch); 5216 } else { 5217 result.addAll(matchAllList); 5218 } 5219 } 5220 5221 // If there is nothing selected, add all candidates and remove the ones that the user 5222 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5223 if (result.size() == 0) { 5224 result.addAll(candidates); 5225 result.removeAll(neverList); 5226 } 5227 } 5228 } 5229 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5230 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5231 result.size()); 5232 for (ResolveInfo info : result) { 5233 Slog.v(TAG, " + " + info.activityInfo); 5234 } 5235 } 5236 return result; 5237 } 5238 5239 // Returns a packed value as a long: 5240 // 5241 // high 'int'-sized word: link status: undefined/ask/never/always. 5242 // low 'int'-sized word: relative priority among 'always' results. 5243 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5244 long result = ps.getDomainVerificationStatusForUser(userId); 5245 // if none available, get the master status 5246 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5247 if (ps.getIntentFilterVerificationInfo() != null) { 5248 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5249 } 5250 } 5251 return result; 5252 } 5253 5254 private ResolveInfo querySkipCurrentProfileIntents( 5255 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5256 int flags, int sourceUserId) { 5257 if (matchingFilters != null) { 5258 int size = matchingFilters.size(); 5259 for (int i = 0; i < size; i ++) { 5260 CrossProfileIntentFilter filter = matchingFilters.get(i); 5261 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5262 // Checking if there are activities in the target user that can handle the 5263 // intent. 5264 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5265 resolvedType, flags, sourceUserId); 5266 if (resolveInfo != null) { 5267 return resolveInfo; 5268 } 5269 } 5270 } 5271 } 5272 return null; 5273 } 5274 5275 // Return matching ResolveInfo in target user if any. 5276 private ResolveInfo queryCrossProfileIntents( 5277 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5278 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5279 if (matchingFilters != null) { 5280 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5281 // match the same intent. For performance reasons, it is better not to 5282 // run queryIntent twice for the same userId 5283 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5284 int size = matchingFilters.size(); 5285 for (int i = 0; i < size; i++) { 5286 CrossProfileIntentFilter filter = matchingFilters.get(i); 5287 int targetUserId = filter.getTargetUserId(); 5288 boolean skipCurrentProfile = 5289 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5290 boolean skipCurrentProfileIfNoMatchFound = 5291 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5292 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5293 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5294 // Checking if there are activities in the target user that can handle the 5295 // intent. 5296 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5297 resolvedType, flags, sourceUserId); 5298 if (resolveInfo != null) return resolveInfo; 5299 alreadyTriedUserIds.put(targetUserId, true); 5300 } 5301 } 5302 } 5303 return null; 5304 } 5305 5306 /** 5307 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5308 * will forward the intent to the filter's target user. 5309 * Otherwise, returns null. 5310 */ 5311 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5312 String resolvedType, int flags, int sourceUserId) { 5313 int targetUserId = filter.getTargetUserId(); 5314 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5315 resolvedType, flags, targetUserId); 5316 if (resultTargetUser != null && !resultTargetUser.isEmpty() 5317 && isUserEnabled(targetUserId)) { 5318 return createForwardingResolveInfoUnchecked(filter, sourceUserId, targetUserId); 5319 } 5320 return null; 5321 } 5322 5323 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5324 int sourceUserId, int targetUserId) { 5325 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5326 long ident = Binder.clearCallingIdentity(); 5327 boolean targetIsProfile; 5328 try { 5329 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5330 } finally { 5331 Binder.restoreCallingIdentity(ident); 5332 } 5333 String className; 5334 if (targetIsProfile) { 5335 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5336 } else { 5337 className = FORWARD_INTENT_TO_PARENT; 5338 } 5339 ComponentName forwardingActivityComponentName = new ComponentName( 5340 mAndroidApplication.packageName, className); 5341 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5342 sourceUserId); 5343 if (!targetIsProfile) { 5344 forwardingActivityInfo.showUserIcon = targetUserId; 5345 forwardingResolveInfo.noResourceId = true; 5346 } 5347 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5348 forwardingResolveInfo.priority = 0; 5349 forwardingResolveInfo.preferredOrder = 0; 5350 forwardingResolveInfo.match = 0; 5351 forwardingResolveInfo.isDefault = true; 5352 forwardingResolveInfo.filter = filter; 5353 forwardingResolveInfo.targetUserId = targetUserId; 5354 return forwardingResolveInfo; 5355 } 5356 5357 @Override 5358 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5359 Intent[] specifics, String[] specificTypes, Intent intent, 5360 String resolvedType, int flags, int userId) { 5361 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5362 flags = updateFlagsForResolve(flags, userId, intent); 5363 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5364 false, "query intent activity options"); 5365 final String resultsAction = intent.getAction(); 5366 5367 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5368 | PackageManager.GET_RESOLVED_FILTER, userId); 5369 5370 if (DEBUG_INTENT_MATCHING) { 5371 Log.v(TAG, "Query " + intent + ": " + results); 5372 } 5373 5374 int specificsPos = 0; 5375 int N; 5376 5377 // todo: note that the algorithm used here is O(N^2). This 5378 // isn't a problem in our current environment, but if we start running 5379 // into situations where we have more than 5 or 10 matches then this 5380 // should probably be changed to something smarter... 5381 5382 // First we go through and resolve each of the specific items 5383 // that were supplied, taking care of removing any corresponding 5384 // duplicate items in the generic resolve list. 5385 if (specifics != null) { 5386 for (int i=0; i<specifics.length; i++) { 5387 final Intent sintent = specifics[i]; 5388 if (sintent == null) { 5389 continue; 5390 } 5391 5392 if (DEBUG_INTENT_MATCHING) { 5393 Log.v(TAG, "Specific #" + i + ": " + sintent); 5394 } 5395 5396 String action = sintent.getAction(); 5397 if (resultsAction != null && resultsAction.equals(action)) { 5398 // If this action was explicitly requested, then don't 5399 // remove things that have it. 5400 action = null; 5401 } 5402 5403 ResolveInfo ri = null; 5404 ActivityInfo ai = null; 5405 5406 ComponentName comp = sintent.getComponent(); 5407 if (comp == null) { 5408 ri = resolveIntent( 5409 sintent, 5410 specificTypes != null ? specificTypes[i] : null, 5411 flags, userId); 5412 if (ri == null) { 5413 continue; 5414 } 5415 if (ri == mResolveInfo) { 5416 // ACK! Must do something better with this. 5417 } 5418 ai = ri.activityInfo; 5419 comp = new ComponentName(ai.applicationInfo.packageName, 5420 ai.name); 5421 } else { 5422 ai = getActivityInfo(comp, flags, userId); 5423 if (ai == null) { 5424 continue; 5425 } 5426 } 5427 5428 // Look for any generic query activities that are duplicates 5429 // of this specific one, and remove them from the results. 5430 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5431 N = results.size(); 5432 int j; 5433 for (j=specificsPos; j<N; j++) { 5434 ResolveInfo sri = results.get(j); 5435 if ((sri.activityInfo.name.equals(comp.getClassName()) 5436 && sri.activityInfo.applicationInfo.packageName.equals( 5437 comp.getPackageName())) 5438 || (action != null && sri.filter.matchAction(action))) { 5439 results.remove(j); 5440 if (DEBUG_INTENT_MATCHING) Log.v( 5441 TAG, "Removing duplicate item from " + j 5442 + " due to specific " + specificsPos); 5443 if (ri == null) { 5444 ri = sri; 5445 } 5446 j--; 5447 N--; 5448 } 5449 } 5450 5451 // Add this specific item to its proper place. 5452 if (ri == null) { 5453 ri = new ResolveInfo(); 5454 ri.activityInfo = ai; 5455 } 5456 results.add(specificsPos, ri); 5457 ri.specificIndex = i; 5458 specificsPos++; 5459 } 5460 } 5461 5462 // Now we go through the remaining generic results and remove any 5463 // duplicate actions that are found here. 5464 N = results.size(); 5465 for (int i=specificsPos; i<N-1; i++) { 5466 final ResolveInfo rii = results.get(i); 5467 if (rii.filter == null) { 5468 continue; 5469 } 5470 5471 // Iterate over all of the actions of this result's intent 5472 // filter... typically this should be just one. 5473 final Iterator<String> it = rii.filter.actionsIterator(); 5474 if (it == null) { 5475 continue; 5476 } 5477 while (it.hasNext()) { 5478 final String action = it.next(); 5479 if (resultsAction != null && resultsAction.equals(action)) { 5480 // If this action was explicitly requested, then don't 5481 // remove things that have it. 5482 continue; 5483 } 5484 for (int j=i+1; j<N; j++) { 5485 final ResolveInfo rij = results.get(j); 5486 if (rij.filter != null && rij.filter.hasAction(action)) { 5487 results.remove(j); 5488 if (DEBUG_INTENT_MATCHING) Log.v( 5489 TAG, "Removing duplicate item from " + j 5490 + " due to action " + action + " at " + i); 5491 j--; 5492 N--; 5493 } 5494 } 5495 } 5496 5497 // If the caller didn't request filter information, drop it now 5498 // so we don't have to marshall/unmarshall it. 5499 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5500 rii.filter = null; 5501 } 5502 } 5503 5504 // Filter out the caller activity if so requested. 5505 if (caller != null) { 5506 N = results.size(); 5507 for (int i=0; i<N; i++) { 5508 ActivityInfo ainfo = results.get(i).activityInfo; 5509 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5510 && caller.getClassName().equals(ainfo.name)) { 5511 results.remove(i); 5512 break; 5513 } 5514 } 5515 } 5516 5517 // If the caller didn't request filter information, 5518 // drop them now so we don't have to 5519 // marshall/unmarshall it. 5520 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5521 N = results.size(); 5522 for (int i=0; i<N; i++) { 5523 results.get(i).filter = null; 5524 } 5525 } 5526 5527 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5528 return results; 5529 } 5530 5531 @Override 5532 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5533 int userId) { 5534 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5535 flags = updateFlagsForResolve(flags, userId, intent); 5536 ComponentName comp = intent.getComponent(); 5537 if (comp == null) { 5538 if (intent.getSelector() != null) { 5539 intent = intent.getSelector(); 5540 comp = intent.getComponent(); 5541 } 5542 } 5543 if (comp != null) { 5544 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5545 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5546 if (ai != null) { 5547 ResolveInfo ri = new ResolveInfo(); 5548 ri.activityInfo = ai; 5549 list.add(ri); 5550 } 5551 return list; 5552 } 5553 5554 // reader 5555 synchronized (mPackages) { 5556 String pkgName = intent.getPackage(); 5557 if (pkgName == null) { 5558 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5559 } 5560 final PackageParser.Package pkg = mPackages.get(pkgName); 5561 if (pkg != null) { 5562 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5563 userId); 5564 } 5565 return null; 5566 } 5567 } 5568 5569 @Override 5570 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5571 if (!sUserManager.exists(userId)) return null; 5572 flags = updateFlagsForResolve(flags, userId, intent); 5573 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5574 if (query != null) { 5575 if (query.size() >= 1) { 5576 // If there is more than one service with the same priority, 5577 // just arbitrarily pick the first one. 5578 return query.get(0); 5579 } 5580 } 5581 return null; 5582 } 5583 5584 @Override 5585 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5586 int userId) { 5587 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5588 flags = updateFlagsForResolve(flags, userId, intent); 5589 ComponentName comp = intent.getComponent(); 5590 if (comp == null) { 5591 if (intent.getSelector() != null) { 5592 intent = intent.getSelector(); 5593 comp = intent.getComponent(); 5594 } 5595 } 5596 if (comp != null) { 5597 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5598 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5599 if (si != null) { 5600 final ResolveInfo ri = new ResolveInfo(); 5601 ri.serviceInfo = si; 5602 list.add(ri); 5603 } 5604 return list; 5605 } 5606 5607 // reader 5608 synchronized (mPackages) { 5609 String pkgName = intent.getPackage(); 5610 if (pkgName == null) { 5611 return mServices.queryIntent(intent, resolvedType, flags, userId); 5612 } 5613 final PackageParser.Package pkg = mPackages.get(pkgName); 5614 if (pkg != null) { 5615 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5616 userId); 5617 } 5618 return null; 5619 } 5620 } 5621 5622 @Override 5623 public List<ResolveInfo> queryIntentContentProviders( 5624 Intent intent, String resolvedType, int flags, int userId) { 5625 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5626 flags = updateFlagsForResolve(flags, userId, intent); 5627 ComponentName comp = intent.getComponent(); 5628 if (comp == null) { 5629 if (intent.getSelector() != null) { 5630 intent = intent.getSelector(); 5631 comp = intent.getComponent(); 5632 } 5633 } 5634 if (comp != null) { 5635 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5636 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5637 if (pi != null) { 5638 final ResolveInfo ri = new ResolveInfo(); 5639 ri.providerInfo = pi; 5640 list.add(ri); 5641 } 5642 return list; 5643 } 5644 5645 // reader 5646 synchronized (mPackages) { 5647 String pkgName = intent.getPackage(); 5648 if (pkgName == null) { 5649 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5650 } 5651 final PackageParser.Package pkg = mPackages.get(pkgName); 5652 if (pkg != null) { 5653 return mProviders.queryIntentForPackage( 5654 intent, resolvedType, flags, pkg.providers, userId); 5655 } 5656 return null; 5657 } 5658 } 5659 5660 @Override 5661 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5662 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5663 flags = updateFlagsForPackage(flags, userId, null); 5664 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5665 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5666 5667 // writer 5668 synchronized (mPackages) { 5669 ArrayList<PackageInfo> list; 5670 if (listUninstalled) { 5671 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5672 for (PackageSetting ps : mSettings.mPackages.values()) { 5673 PackageInfo pi; 5674 if (ps.pkg != null) { 5675 pi = generatePackageInfo(ps.pkg, flags, userId); 5676 } else { 5677 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5678 } 5679 if (pi != null) { 5680 list.add(pi); 5681 } 5682 } 5683 } else { 5684 list = new ArrayList<PackageInfo>(mPackages.size()); 5685 for (PackageParser.Package p : mPackages.values()) { 5686 PackageInfo pi = generatePackageInfo(p, flags, userId); 5687 if (pi != null) { 5688 list.add(pi); 5689 } 5690 } 5691 } 5692 5693 return new ParceledListSlice<PackageInfo>(list); 5694 } 5695 } 5696 5697 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5698 String[] permissions, boolean[] tmp, int flags, int userId) { 5699 int numMatch = 0; 5700 final PermissionsState permissionsState = ps.getPermissionsState(); 5701 for (int i=0; i<permissions.length; i++) { 5702 final String permission = permissions[i]; 5703 if (permissionsState.hasPermission(permission, userId)) { 5704 tmp[i] = true; 5705 numMatch++; 5706 } else { 5707 tmp[i] = false; 5708 } 5709 } 5710 if (numMatch == 0) { 5711 return; 5712 } 5713 PackageInfo pi; 5714 if (ps.pkg != null) { 5715 pi = generatePackageInfo(ps.pkg, flags, userId); 5716 } else { 5717 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5718 } 5719 // The above might return null in cases of uninstalled apps or install-state 5720 // skew across users/profiles. 5721 if (pi != null) { 5722 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5723 if (numMatch == permissions.length) { 5724 pi.requestedPermissions = permissions; 5725 } else { 5726 pi.requestedPermissions = new String[numMatch]; 5727 numMatch = 0; 5728 for (int i=0; i<permissions.length; i++) { 5729 if (tmp[i]) { 5730 pi.requestedPermissions[numMatch] = permissions[i]; 5731 numMatch++; 5732 } 5733 } 5734 } 5735 } 5736 list.add(pi); 5737 } 5738 } 5739 5740 @Override 5741 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5742 String[] permissions, int flags, int userId) { 5743 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5744 flags = updateFlagsForPackage(flags, userId, permissions); 5745 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5746 5747 // writer 5748 synchronized (mPackages) { 5749 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5750 boolean[] tmpBools = new boolean[permissions.length]; 5751 if (listUninstalled) { 5752 for (PackageSetting ps : mSettings.mPackages.values()) { 5753 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5754 } 5755 } else { 5756 for (PackageParser.Package pkg : mPackages.values()) { 5757 PackageSetting ps = (PackageSetting)pkg.mExtras; 5758 if (ps != null) { 5759 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5760 userId); 5761 } 5762 } 5763 } 5764 5765 return new ParceledListSlice<PackageInfo>(list); 5766 } 5767 } 5768 5769 @Override 5770 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5771 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5772 flags = updateFlagsForApplication(flags, userId, null); 5773 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5774 5775 // writer 5776 synchronized (mPackages) { 5777 ArrayList<ApplicationInfo> list; 5778 if (listUninstalled) { 5779 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5780 for (PackageSetting ps : mSettings.mPackages.values()) { 5781 ApplicationInfo ai; 5782 if (ps.pkg != null) { 5783 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5784 ps.readUserState(userId), userId); 5785 } else { 5786 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5787 } 5788 if (ai != null) { 5789 list.add(ai); 5790 } 5791 } 5792 } else { 5793 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5794 for (PackageParser.Package p : mPackages.values()) { 5795 if (p.mExtras != null) { 5796 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5797 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5798 if (ai != null) { 5799 list.add(ai); 5800 } 5801 } 5802 } 5803 } 5804 5805 return new ParceledListSlice<ApplicationInfo>(list); 5806 } 5807 } 5808 5809 @Override 5810 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 5811 if (DISABLE_EPHEMERAL_APPS) { 5812 return null; 5813 } 5814 5815 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5816 "getEphemeralApplications"); 5817 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5818 "getEphemeralApplications"); 5819 synchronized (mPackages) { 5820 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 5821 .getEphemeralApplicationsLPw(userId); 5822 if (ephemeralApps != null) { 5823 return new ParceledListSlice<>(ephemeralApps); 5824 } 5825 } 5826 return null; 5827 } 5828 5829 @Override 5830 public boolean isEphemeralApplication(String packageName, int userId) { 5831 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5832 "isEphemeral"); 5833 if (DISABLE_EPHEMERAL_APPS) { 5834 return false; 5835 } 5836 5837 if (!isCallerSameApp(packageName)) { 5838 return false; 5839 } 5840 synchronized (mPackages) { 5841 PackageParser.Package pkg = mPackages.get(packageName); 5842 if (pkg != null) { 5843 return pkg.applicationInfo.isEphemeralApp(); 5844 } 5845 } 5846 return false; 5847 } 5848 5849 @Override 5850 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 5851 if (DISABLE_EPHEMERAL_APPS) { 5852 return null; 5853 } 5854 5855 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5856 "getCookie"); 5857 if (!isCallerSameApp(packageName)) { 5858 return null; 5859 } 5860 synchronized (mPackages) { 5861 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 5862 packageName, userId); 5863 } 5864 } 5865 5866 @Override 5867 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 5868 if (DISABLE_EPHEMERAL_APPS) { 5869 return true; 5870 } 5871 5872 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5873 "setCookie"); 5874 if (!isCallerSameApp(packageName)) { 5875 return false; 5876 } 5877 synchronized (mPackages) { 5878 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 5879 packageName, cookie, userId); 5880 } 5881 } 5882 5883 @Override 5884 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 5885 if (DISABLE_EPHEMERAL_APPS) { 5886 return null; 5887 } 5888 5889 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5890 "getEphemeralApplicationIcon"); 5891 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5892 "getEphemeralApplicationIcon"); 5893 synchronized (mPackages) { 5894 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 5895 packageName, userId); 5896 } 5897 } 5898 5899 private boolean isCallerSameApp(String packageName) { 5900 PackageParser.Package pkg = mPackages.get(packageName); 5901 return pkg != null 5902 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 5903 } 5904 5905 public List<ApplicationInfo> getPersistentApplications(int flags) { 5906 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5907 5908 // reader 5909 synchronized (mPackages) { 5910 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5911 final int userId = UserHandle.getCallingUserId(); 5912 while (i.hasNext()) { 5913 final PackageParser.Package p = i.next(); 5914 if (p.applicationInfo != null 5915 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5916 && (!mSafeMode || isSystemApp(p))) { 5917 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5918 if (ps != null) { 5919 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5920 ps.readUserState(userId), userId); 5921 if (ai != null) { 5922 finalList.add(ai); 5923 } 5924 } 5925 } 5926 } 5927 } 5928 5929 return finalList; 5930 } 5931 5932 @Override 5933 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5934 if (!sUserManager.exists(userId)) return null; 5935 flags = updateFlagsForComponent(flags, userId, name); 5936 // reader 5937 synchronized (mPackages) { 5938 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5939 PackageSetting ps = provider != null 5940 ? mSettings.mPackages.get(provider.owner.packageName) 5941 : null; 5942 return ps != null 5943 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 5944 && (!mSafeMode || (provider.info.applicationInfo.flags 5945 &ApplicationInfo.FLAG_SYSTEM) != 0) 5946 ? PackageParser.generateProviderInfo(provider, flags, 5947 ps.readUserState(userId), userId) 5948 : null; 5949 } 5950 } 5951 5952 /** 5953 * @deprecated 5954 */ 5955 @Deprecated 5956 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5957 // reader 5958 synchronized (mPackages) { 5959 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5960 .entrySet().iterator(); 5961 final int userId = UserHandle.getCallingUserId(); 5962 while (i.hasNext()) { 5963 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5964 PackageParser.Provider p = entry.getValue(); 5965 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5966 5967 if (ps != null && p.syncable 5968 && (!mSafeMode || (p.info.applicationInfo.flags 5969 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5970 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5971 ps.readUserState(userId), userId); 5972 if (info != null) { 5973 outNames.add(entry.getKey()); 5974 outInfo.add(info); 5975 } 5976 } 5977 } 5978 } 5979 } 5980 5981 @Override 5982 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5983 int uid, int flags) { 5984 final int userId = processName != null ? UserHandle.getUserId(uid) 5985 : UserHandle.getCallingUserId(); 5986 if (!sUserManager.exists(userId)) return null; 5987 flags = updateFlagsForComponent(flags, userId, processName); 5988 5989 ArrayList<ProviderInfo> finalList = null; 5990 // reader 5991 synchronized (mPackages) { 5992 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5993 while (i.hasNext()) { 5994 final PackageParser.Provider p = i.next(); 5995 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5996 if (ps != null && p.info.authority != null 5997 && (processName == null 5998 || (p.info.processName.equals(processName) 5999 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6000 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId) 6001 && (!mSafeMode 6002 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 6003 if (finalList == null) { 6004 finalList = new ArrayList<ProviderInfo>(3); 6005 } 6006 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6007 ps.readUserState(userId), userId); 6008 if (info != null) { 6009 finalList.add(info); 6010 } 6011 } 6012 } 6013 } 6014 6015 if (finalList != null) { 6016 Collections.sort(finalList, mProviderInitOrderSorter); 6017 return new ParceledListSlice<ProviderInfo>(finalList); 6018 } 6019 6020 return null; 6021 } 6022 6023 @Override 6024 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6025 // reader 6026 synchronized (mPackages) { 6027 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6028 return PackageParser.generateInstrumentationInfo(i, flags); 6029 } 6030 } 6031 6032 @Override 6033 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 6034 int flags) { 6035 ArrayList<InstrumentationInfo> finalList = 6036 new ArrayList<InstrumentationInfo>(); 6037 6038 // reader 6039 synchronized (mPackages) { 6040 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6041 while (i.hasNext()) { 6042 final PackageParser.Instrumentation p = i.next(); 6043 if (targetPackage == null 6044 || targetPackage.equals(p.info.targetPackage)) { 6045 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6046 flags); 6047 if (ii != null) { 6048 finalList.add(ii); 6049 } 6050 } 6051 } 6052 } 6053 6054 return finalList; 6055 } 6056 6057 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6058 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6059 if (overlays == null) { 6060 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6061 return; 6062 } 6063 for (PackageParser.Package opkg : overlays.values()) { 6064 // Not much to do if idmap fails: we already logged the error 6065 // and we certainly don't want to abort installation of pkg simply 6066 // because an overlay didn't fit properly. For these reasons, 6067 // ignore the return value of createIdmapForPackagePairLI. 6068 createIdmapForPackagePairLI(pkg, opkg); 6069 } 6070 } 6071 6072 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6073 PackageParser.Package opkg) { 6074 if (!opkg.mTrustedOverlay) { 6075 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6076 opkg.baseCodePath + ": overlay not trusted"); 6077 return false; 6078 } 6079 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6080 if (overlaySet == null) { 6081 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6082 opkg.baseCodePath + " but target package has no known overlays"); 6083 return false; 6084 } 6085 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6086 // TODO: generate idmap for split APKs 6087 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 6088 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6089 + opkg.baseCodePath); 6090 return false; 6091 } 6092 PackageParser.Package[] overlayArray = 6093 overlaySet.values().toArray(new PackageParser.Package[0]); 6094 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6095 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6096 return p1.mOverlayPriority - p2.mOverlayPriority; 6097 } 6098 }; 6099 Arrays.sort(overlayArray, cmp); 6100 6101 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6102 int i = 0; 6103 for (PackageParser.Package p : overlayArray) { 6104 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6105 } 6106 return true; 6107 } 6108 6109 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6110 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6111 try { 6112 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6113 } finally { 6114 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6115 } 6116 } 6117 6118 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6119 final File[] files = dir.listFiles(); 6120 if (ArrayUtils.isEmpty(files)) { 6121 Log.d(TAG, "No files in app dir " + dir); 6122 return; 6123 } 6124 6125 if (DEBUG_PACKAGE_SCANNING) { 6126 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6127 + " flags=0x" + Integer.toHexString(parseFlags)); 6128 } 6129 6130 for (File file : files) { 6131 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6132 && !PackageInstallerService.isStageName(file.getName()); 6133 if (!isPackage) { 6134 // Ignore entries which are not packages 6135 continue; 6136 } 6137 try { 6138 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6139 scanFlags, currentTime, null); 6140 } catch (PackageManagerException e) { 6141 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6142 6143 // Delete invalid userdata apps 6144 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6145 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6146 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6147 if (file.isDirectory()) { 6148 mInstaller.rmPackageDir(file.getAbsolutePath()); 6149 } else { 6150 file.delete(); 6151 } 6152 } 6153 } 6154 } 6155 } 6156 6157 private static File getSettingsProblemFile() { 6158 File dataDir = Environment.getDataDirectory(); 6159 File systemDir = new File(dataDir, "system"); 6160 File fname = new File(systemDir, "uiderrors.txt"); 6161 return fname; 6162 } 6163 6164 static void reportSettingsProblem(int priority, String msg) { 6165 logCriticalInfo(priority, msg); 6166 } 6167 6168 static void logCriticalInfo(int priority, String msg) { 6169 Slog.println(priority, TAG, msg); 6170 EventLogTags.writePmCriticalInfo(msg); 6171 try { 6172 File fname = getSettingsProblemFile(); 6173 FileOutputStream out = new FileOutputStream(fname, true); 6174 PrintWriter pw = new FastPrintWriter(out); 6175 SimpleDateFormat formatter = new SimpleDateFormat(); 6176 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6177 pw.println(dateString + ": " + msg); 6178 pw.close(); 6179 FileUtils.setPermissions( 6180 fname.toString(), 6181 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6182 -1, -1); 6183 } catch (java.io.IOException e) { 6184 } 6185 } 6186 6187 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 6188 PackageParser.Package pkg, File srcFile, int parseFlags) 6189 throws PackageManagerException { 6190 if (ps != null 6191 && ps.codePath.equals(srcFile) 6192 && ps.timeStamp == srcFile.lastModified() 6193 && !isCompatSignatureUpdateNeeded(pkg) 6194 && !isRecoverSignatureUpdateNeeded(pkg)) { 6195 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6196 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6197 ArraySet<PublicKey> signingKs; 6198 synchronized (mPackages) { 6199 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6200 } 6201 if (ps.signatures.mSignatures != null 6202 && ps.signatures.mSignatures.length != 0 6203 && signingKs != null) { 6204 // Optimization: reuse the existing cached certificates 6205 // if the package appears to be unchanged. 6206 pkg.mSignatures = ps.signatures.mSignatures; 6207 pkg.mSigningKeys = signingKs; 6208 return; 6209 } 6210 6211 Slog.w(TAG, "PackageSetting for " + ps.name 6212 + " is missing signatures. Collecting certs again to recover them."); 6213 } else { 6214 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6215 } 6216 6217 try { 6218 pp.collectCertificates(pkg, parseFlags); 6219 } catch (PackageParserException e) { 6220 throw PackageManagerException.from(e); 6221 } 6222 } 6223 6224 /** 6225 * Traces a package scan. 6226 * @see #scanPackageLI(File, int, int, long, UserHandle) 6227 */ 6228 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6229 long currentTime, UserHandle user) throws PackageManagerException { 6230 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6231 try { 6232 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6233 } finally { 6234 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6235 } 6236 } 6237 6238 /** 6239 * Scans a package and returns the newly parsed package. 6240 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6241 */ 6242 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6243 long currentTime, UserHandle user) throws PackageManagerException { 6244 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6245 parseFlags |= mDefParseFlags; 6246 PackageParser pp = new PackageParser(); 6247 pp.setSeparateProcesses(mSeparateProcesses); 6248 pp.setOnlyCoreApps(mOnlyCore); 6249 pp.setDisplayMetrics(mMetrics); 6250 6251 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6252 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6253 } 6254 6255 final PackageParser.Package pkg; 6256 try { 6257 pkg = pp.parsePackage(scanFile, parseFlags); 6258 } catch (PackageParserException e) { 6259 throw PackageManagerException.from(e); 6260 } 6261 6262 PackageSetting ps = null; 6263 PackageSetting updatedPkg; 6264 // reader 6265 synchronized (mPackages) { 6266 // Look to see if we already know about this package. 6267 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6268 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6269 // This package has been renamed to its original name. Let's 6270 // use that. 6271 ps = mSettings.peekPackageLPr(oldName); 6272 } 6273 // If there was no original package, see one for the real package name. 6274 if (ps == null) { 6275 ps = mSettings.peekPackageLPr(pkg.packageName); 6276 } 6277 // Check to see if this package could be hiding/updating a system 6278 // package. Must look for it either under the original or real 6279 // package name depending on our state. 6280 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6281 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6282 } 6283 boolean updatedPkgBetter = false; 6284 // First check if this is a system package that may involve an update 6285 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6286 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6287 // it needs to drop FLAG_PRIVILEGED. 6288 if (locationIsPrivileged(scanFile)) { 6289 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6290 } else { 6291 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6292 } 6293 6294 if (ps != null && !ps.codePath.equals(scanFile)) { 6295 // The path has changed from what was last scanned... check the 6296 // version of the new path against what we have stored to determine 6297 // what to do. 6298 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6299 if (pkg.mVersionCode <= ps.versionCode) { 6300 // The system package has been updated and the code path does not match 6301 // Ignore entry. Skip it. 6302 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6303 + " ignored: updated version " + ps.versionCode 6304 + " better than this " + pkg.mVersionCode); 6305 if (!updatedPkg.codePath.equals(scanFile)) { 6306 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6307 + ps.name + " changing from " + updatedPkg.codePathString 6308 + " to " + scanFile); 6309 updatedPkg.codePath = scanFile; 6310 updatedPkg.codePathString = scanFile.toString(); 6311 updatedPkg.resourcePath = scanFile; 6312 updatedPkg.resourcePathString = scanFile.toString(); 6313 } 6314 updatedPkg.pkg = pkg; 6315 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6316 "Package " + ps.name + " at " + scanFile 6317 + " ignored: updated version " + ps.versionCode 6318 + " better than this " + pkg.mVersionCode); 6319 } else { 6320 // The current app on the system partition is better than 6321 // what we have updated to on the data partition; switch 6322 // back to the system partition version. 6323 // At this point, its safely assumed that package installation for 6324 // apps in system partition will go through. If not there won't be a working 6325 // version of the app 6326 // writer 6327 synchronized (mPackages) { 6328 // Just remove the loaded entries from package lists. 6329 mPackages.remove(ps.name); 6330 } 6331 6332 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6333 + " reverting from " + ps.codePathString 6334 + ": new version " + pkg.mVersionCode 6335 + " better than installed " + ps.versionCode); 6336 6337 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6338 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6339 synchronized (mInstallLock) { 6340 args.cleanUpResourcesLI(); 6341 } 6342 synchronized (mPackages) { 6343 mSettings.enableSystemPackageLPw(ps.name); 6344 } 6345 updatedPkgBetter = true; 6346 } 6347 } 6348 } 6349 6350 if (updatedPkg != null) { 6351 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6352 // initially 6353 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6354 6355 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6356 // flag set initially 6357 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6358 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6359 } 6360 } 6361 6362 // Verify certificates against what was last scanned 6363 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 6364 6365 /* 6366 * A new system app appeared, but we already had a non-system one of the 6367 * same name installed earlier. 6368 */ 6369 boolean shouldHideSystemApp = false; 6370 if (updatedPkg == null && ps != null 6371 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6372 /* 6373 * Check to make sure the signatures match first. If they don't, 6374 * wipe the installed application and its data. 6375 */ 6376 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6377 != PackageManager.SIGNATURE_MATCH) { 6378 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6379 + " signatures don't match existing userdata copy; removing"); 6380 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 6381 ps = null; 6382 } else { 6383 /* 6384 * If the newly-added system app is an older version than the 6385 * already installed version, hide it. It will be scanned later 6386 * and re-added like an update. 6387 */ 6388 if (pkg.mVersionCode <= ps.versionCode) { 6389 shouldHideSystemApp = true; 6390 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6391 + " but new version " + pkg.mVersionCode + " better than installed " 6392 + ps.versionCode + "; hiding system"); 6393 } else { 6394 /* 6395 * The newly found system app is a newer version that the 6396 * one previously installed. Simply remove the 6397 * already-installed application and replace it with our own 6398 * while keeping the application data. 6399 */ 6400 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6401 + " reverting from " + ps.codePathString + ": new version " 6402 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6403 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6404 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6405 synchronized (mInstallLock) { 6406 args.cleanUpResourcesLI(); 6407 } 6408 } 6409 } 6410 } 6411 6412 // The apk is forward locked (not public) if its code and resources 6413 // are kept in different files. (except for app in either system or 6414 // vendor path). 6415 // TODO grab this value from PackageSettings 6416 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6417 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6418 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6419 } 6420 } 6421 6422 // TODO: extend to support forward-locked splits 6423 String resourcePath = null; 6424 String baseResourcePath = null; 6425 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6426 if (ps != null && ps.resourcePathString != null) { 6427 resourcePath = ps.resourcePathString; 6428 baseResourcePath = ps.resourcePathString; 6429 } else { 6430 // Should not happen at all. Just log an error. 6431 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6432 } 6433 } else { 6434 resourcePath = pkg.codePath; 6435 baseResourcePath = pkg.baseCodePath; 6436 } 6437 6438 // Set application objects path explicitly. 6439 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 6440 pkg.applicationInfo.setCodePath(pkg.codePath); 6441 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 6442 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 6443 pkg.applicationInfo.setResourcePath(resourcePath); 6444 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 6445 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 6446 6447 // Note that we invoke the following method only if we are about to unpack an application 6448 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6449 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6450 6451 /* 6452 * If the system app should be overridden by a previously installed 6453 * data, hide the system app now and let the /data/app scan pick it up 6454 * again. 6455 */ 6456 if (shouldHideSystemApp) { 6457 synchronized (mPackages) { 6458 mSettings.disableSystemPackageLPw(pkg.packageName); 6459 } 6460 } 6461 6462 return scannedPkg; 6463 } 6464 6465 private static String fixProcessName(String defProcessName, 6466 String processName, int uid) { 6467 if (processName == null) { 6468 return defProcessName; 6469 } 6470 return processName; 6471 } 6472 6473 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6474 throws PackageManagerException { 6475 if (pkgSetting.signatures.mSignatures != null) { 6476 // Already existing package. Make sure signatures match 6477 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6478 == PackageManager.SIGNATURE_MATCH; 6479 if (!match) { 6480 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6481 == PackageManager.SIGNATURE_MATCH; 6482 } 6483 if (!match) { 6484 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6485 == PackageManager.SIGNATURE_MATCH; 6486 } 6487 if (!match) { 6488 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6489 + pkg.packageName + " signatures do not match the " 6490 + "previously installed version; ignoring!"); 6491 } 6492 } 6493 6494 // Check for shared user signatures 6495 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6496 // Already existing package. Make sure signatures match 6497 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6498 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6499 if (!match) { 6500 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6501 == PackageManager.SIGNATURE_MATCH; 6502 } 6503 if (!match) { 6504 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6505 == PackageManager.SIGNATURE_MATCH; 6506 } 6507 if (!match) { 6508 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6509 "Package " + pkg.packageName 6510 + " has no signatures that match those in shared user " 6511 + pkgSetting.sharedUser.name + "; ignoring!"); 6512 } 6513 } 6514 } 6515 6516 /** 6517 * Enforces that only the system UID or root's UID can call a method exposed 6518 * via Binder. 6519 * 6520 * @param message used as message if SecurityException is thrown 6521 * @throws SecurityException if the caller is not system or root 6522 */ 6523 private static final void enforceSystemOrRoot(String message) { 6524 final int uid = Binder.getCallingUid(); 6525 if (uid != Process.SYSTEM_UID && uid != 0) { 6526 throw new SecurityException(message); 6527 } 6528 } 6529 6530 @Override 6531 public void performFstrimIfNeeded() { 6532 enforceSystemOrRoot("Only the system can request fstrim"); 6533 6534 // Before everything else, see whether we need to fstrim. 6535 try { 6536 IMountService ms = PackageHelper.getMountService(); 6537 if (ms != null) { 6538 final boolean isUpgrade = isUpgrade(); 6539 boolean doTrim = isUpgrade; 6540 if (doTrim) { 6541 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6542 } else { 6543 final long interval = android.provider.Settings.Global.getLong( 6544 mContext.getContentResolver(), 6545 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6546 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6547 if (interval > 0) { 6548 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6549 if (timeSinceLast > interval) { 6550 doTrim = true; 6551 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6552 + "; running immediately"); 6553 } 6554 } 6555 } 6556 if (doTrim) { 6557 if (!isFirstBoot()) { 6558 try { 6559 ActivityManagerNative.getDefault().showBootMessage( 6560 mContext.getResources().getString( 6561 R.string.android_upgrading_fstrim), true); 6562 } catch (RemoteException e) { 6563 } 6564 } 6565 ms.runMaintenance(); 6566 } 6567 } else { 6568 Slog.e(TAG, "Mount service unavailable!"); 6569 } 6570 } catch (RemoteException e) { 6571 // Can't happen; MountService is local 6572 } 6573 } 6574 6575 private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) { 6576 List<ResolveInfo> ris = null; 6577 try { 6578 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6579 intent, null, 0, userId); 6580 } catch (RemoteException e) { 6581 } 6582 ArraySet<String> pkgNames = new ArraySet<String>(); 6583 if (ris != null) { 6584 for (ResolveInfo ri : ris) { 6585 pkgNames.add(ri.activityInfo.packageName); 6586 } 6587 } 6588 return pkgNames; 6589 } 6590 6591 @Override 6592 public void notifyPackageUse(String packageName) { 6593 synchronized (mPackages) { 6594 PackageParser.Package p = mPackages.get(packageName); 6595 if (p == null) { 6596 return; 6597 } 6598 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6599 } 6600 } 6601 6602 @Override 6603 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6604 return performDexOptTraced(packageName, instructionSet); 6605 } 6606 6607 public boolean performDexOpt(String packageName, String instructionSet) { 6608 return performDexOptTraced(packageName, instructionSet); 6609 } 6610 6611 private boolean performDexOptTraced(String packageName, String instructionSet) { 6612 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6613 try { 6614 return performDexOptInternal(packageName, instructionSet); 6615 } finally { 6616 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6617 } 6618 } 6619 6620 private boolean performDexOptInternal(String packageName, String instructionSet) { 6621 PackageParser.Package p; 6622 final String targetInstructionSet; 6623 synchronized (mPackages) { 6624 p = mPackages.get(packageName); 6625 if (p == null) { 6626 return false; 6627 } 6628 mPackageUsage.write(false); 6629 6630 targetInstructionSet = instructionSet != null ? instructionSet : 6631 getPrimaryInstructionSet(p.applicationInfo); 6632 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6633 return false; 6634 } 6635 } 6636 long callingId = Binder.clearCallingIdentity(); 6637 try { 6638 synchronized (mInstallLock) { 6639 final String[] instructionSets = new String[] { targetInstructionSet }; 6640 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6641 true /* inclDependencies */); 6642 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6643 } 6644 } finally { 6645 Binder.restoreCallingIdentity(callingId); 6646 } 6647 } 6648 6649 public ArraySet<String> getPackagesThatNeedDexOpt() { 6650 ArraySet<String> pkgs = null; 6651 synchronized (mPackages) { 6652 for (PackageParser.Package p : mPackages.values()) { 6653 if (DEBUG_DEXOPT) { 6654 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6655 } 6656 if (!p.mDexOptPerformed.isEmpty()) { 6657 continue; 6658 } 6659 if (pkgs == null) { 6660 pkgs = new ArraySet<String>(); 6661 } 6662 pkgs.add(p.packageName); 6663 } 6664 } 6665 return pkgs; 6666 } 6667 6668 public void shutdown() { 6669 mPackageUsage.write(true); 6670 } 6671 6672 @Override 6673 public void forceDexOpt(String packageName) { 6674 enforceSystemOrRoot("forceDexOpt"); 6675 6676 PackageParser.Package pkg; 6677 synchronized (mPackages) { 6678 pkg = mPackages.get(packageName); 6679 if (pkg == null) { 6680 throw new IllegalArgumentException("Unknown package: " + packageName); 6681 } 6682 } 6683 6684 synchronized (mInstallLock) { 6685 final String[] instructionSets = new String[] { 6686 getPrimaryInstructionSet(pkg.applicationInfo) }; 6687 6688 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6689 6690 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6691 true /* inclDependencies */); 6692 6693 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6694 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6695 throw new IllegalStateException("Failed to dexopt: " + res); 6696 } 6697 } 6698 } 6699 6700 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6701 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6702 Slog.w(TAG, "Unable to update from " + oldPkg.name 6703 + " to " + newPkg.packageName 6704 + ": old package not in system partition"); 6705 return false; 6706 } else if (mPackages.get(oldPkg.name) != null) { 6707 Slog.w(TAG, "Unable to update from " + oldPkg.name 6708 + " to " + newPkg.packageName 6709 + ": old package still exists"); 6710 return false; 6711 } 6712 return true; 6713 } 6714 6715 private void createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) 6716 throws PackageManagerException { 6717 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6718 if (res != 0) { 6719 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6720 "Failed to install " + packageName + ": " + res); 6721 } 6722 6723 final int[] users = sUserManager.getUserIds(); 6724 for (int user : users) { 6725 if (user != 0) { 6726 res = mInstaller.createUserData(volumeUuid, packageName, 6727 UserHandle.getUid(user, uid), user, seinfo); 6728 if (res != 0) { 6729 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6730 "Failed to createUserData " + packageName + ": " + res); 6731 } 6732 } 6733 } 6734 } 6735 6736 private int removeDataDirsLI(String volumeUuid, String packageName) { 6737 int[] users = sUserManager.getUserIds(); 6738 int res = 0; 6739 for (int user : users) { 6740 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6741 if (resInner < 0) { 6742 res = resInner; 6743 } 6744 } 6745 6746 return res; 6747 } 6748 6749 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6750 int[] users = sUserManager.getUserIds(); 6751 int res = 0; 6752 for (int user : users) { 6753 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6754 if (resInner < 0) { 6755 res = resInner; 6756 } 6757 } 6758 return res; 6759 } 6760 6761 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6762 PackageParser.Package changingLib) { 6763 if (file.path != null) { 6764 usesLibraryFiles.add(file.path); 6765 return; 6766 } 6767 PackageParser.Package p = mPackages.get(file.apk); 6768 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6769 // If we are doing this while in the middle of updating a library apk, 6770 // then we need to make sure to use that new apk for determining the 6771 // dependencies here. (We haven't yet finished committing the new apk 6772 // to the package manager state.) 6773 if (p == null || p.packageName.equals(changingLib.packageName)) { 6774 p = changingLib; 6775 } 6776 } 6777 if (p != null) { 6778 usesLibraryFiles.addAll(p.getAllCodePaths()); 6779 } 6780 } 6781 6782 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6783 PackageParser.Package changingLib) throws PackageManagerException { 6784 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6785 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6786 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6787 for (int i=0; i<N; i++) { 6788 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6789 if (file == null) { 6790 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6791 "Package " + pkg.packageName + " requires unavailable shared library " 6792 + pkg.usesLibraries.get(i) + "; failing!"); 6793 } 6794 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6795 } 6796 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6797 for (int i=0; i<N; i++) { 6798 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6799 if (file == null) { 6800 Slog.w(TAG, "Package " + pkg.packageName 6801 + " desires unavailable shared library " 6802 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6803 } else { 6804 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6805 } 6806 } 6807 N = usesLibraryFiles.size(); 6808 if (N > 0) { 6809 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6810 } else { 6811 pkg.usesLibraryFiles = null; 6812 } 6813 } 6814 } 6815 6816 private static boolean hasString(List<String> list, List<String> which) { 6817 if (list == null) { 6818 return false; 6819 } 6820 for (int i=list.size()-1; i>=0; i--) { 6821 for (int j=which.size()-1; j>=0; j--) { 6822 if (which.get(j).equals(list.get(i))) { 6823 return true; 6824 } 6825 } 6826 } 6827 return false; 6828 } 6829 6830 private void updateAllSharedLibrariesLPw() { 6831 for (PackageParser.Package pkg : mPackages.values()) { 6832 try { 6833 updateSharedLibrariesLPw(pkg, null); 6834 } catch (PackageManagerException e) { 6835 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6836 } 6837 } 6838 } 6839 6840 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6841 PackageParser.Package changingPkg) { 6842 ArrayList<PackageParser.Package> res = null; 6843 for (PackageParser.Package pkg : mPackages.values()) { 6844 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6845 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6846 if (res == null) { 6847 res = new ArrayList<PackageParser.Package>(); 6848 } 6849 res.add(pkg); 6850 try { 6851 updateSharedLibrariesLPw(pkg, changingPkg); 6852 } catch (PackageManagerException e) { 6853 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6854 } 6855 } 6856 } 6857 return res; 6858 } 6859 6860 /** 6861 * Derive the value of the {@code cpuAbiOverride} based on the provided 6862 * value and an optional stored value from the package settings. 6863 */ 6864 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6865 String cpuAbiOverride = null; 6866 6867 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6868 cpuAbiOverride = null; 6869 } else if (abiOverride != null) { 6870 cpuAbiOverride = abiOverride; 6871 } else if (settings != null) { 6872 cpuAbiOverride = settings.cpuAbiOverrideString; 6873 } 6874 6875 return cpuAbiOverride; 6876 } 6877 6878 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 6879 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6880 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6881 try { 6882 return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 6883 } finally { 6884 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6885 } 6886 } 6887 6888 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6889 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6890 boolean success = false; 6891 try { 6892 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6893 currentTime, user); 6894 success = true; 6895 return res; 6896 } finally { 6897 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6898 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6899 } 6900 } 6901 } 6902 6903 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6904 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6905 final File scanFile = new File(pkg.codePath); 6906 if (pkg.applicationInfo.getCodePath() == null || 6907 pkg.applicationInfo.getResourcePath() == null) { 6908 // Bail out. The resource and code paths haven't been set. 6909 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6910 "Code and resource paths haven't been set correctly"); 6911 } 6912 6913 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6914 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6915 } else { 6916 // Only allow system apps to be flagged as core apps. 6917 pkg.coreApp = false; 6918 } 6919 6920 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6921 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6922 } 6923 6924 if (mCustomResolverComponentName != null && 6925 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6926 setUpCustomResolverActivity(pkg); 6927 } 6928 6929 if (pkg.packageName.equals("android")) { 6930 synchronized (mPackages) { 6931 if (mAndroidApplication != null) { 6932 Slog.w(TAG, "*************************************************"); 6933 Slog.w(TAG, "Core android package being redefined. Skipping."); 6934 Slog.w(TAG, " file=" + scanFile); 6935 Slog.w(TAG, "*************************************************"); 6936 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6937 "Core android package being redefined. Skipping."); 6938 } 6939 6940 // Set up information for our fall-back user intent resolution activity. 6941 mPlatformPackage = pkg; 6942 pkg.mVersionCode = mSdkVersion; 6943 mAndroidApplication = pkg.applicationInfo; 6944 6945 if (!mResolverReplaced) { 6946 mResolveActivity.applicationInfo = mAndroidApplication; 6947 mResolveActivity.name = ResolverActivity.class.getName(); 6948 mResolveActivity.packageName = mAndroidApplication.packageName; 6949 mResolveActivity.processName = "system:ui"; 6950 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6951 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6952 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6953 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6954 mResolveActivity.exported = true; 6955 mResolveActivity.enabled = true; 6956 mResolveInfo.activityInfo = mResolveActivity; 6957 mResolveInfo.priority = 0; 6958 mResolveInfo.preferredOrder = 0; 6959 mResolveInfo.match = 0; 6960 mResolveComponentName = new ComponentName( 6961 mAndroidApplication.packageName, mResolveActivity.name); 6962 } 6963 } 6964 } 6965 6966 if (DEBUG_PACKAGE_SCANNING) { 6967 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6968 Log.d(TAG, "Scanning package " + pkg.packageName); 6969 } 6970 6971 if (mPackages.containsKey(pkg.packageName) 6972 || mSharedLibraries.containsKey(pkg.packageName)) { 6973 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6974 "Application package " + pkg.packageName 6975 + " already installed. Skipping duplicate."); 6976 } 6977 6978 // If we're only installing presumed-existing packages, require that the 6979 // scanned APK is both already known and at the path previously established 6980 // for it. Previously unknown packages we pick up normally, but if we have an 6981 // a priori expectation about this package's install presence, enforce it. 6982 // With a singular exception for new system packages. When an OTA contains 6983 // a new system package, we allow the codepath to change from a system location 6984 // to the user-installed location. If we don't allow this change, any newer, 6985 // user-installed version of the application will be ignored. 6986 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6987 if (mExpectingBetter.containsKey(pkg.packageName)) { 6988 logCriticalInfo(Log.WARN, 6989 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6990 } else { 6991 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6992 if (known != null) { 6993 if (DEBUG_PACKAGE_SCANNING) { 6994 Log.d(TAG, "Examining " + pkg.codePath 6995 + " and requiring known paths " + known.codePathString 6996 + " & " + known.resourcePathString); 6997 } 6998 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6999 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 7000 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7001 "Application package " + pkg.packageName 7002 + " found at " + pkg.applicationInfo.getCodePath() 7003 + " but expected at " + known.codePathString + "; ignoring."); 7004 } 7005 } 7006 } 7007 } 7008 7009 // Initialize package source and resource directories 7010 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7011 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7012 7013 SharedUserSetting suid = null; 7014 PackageSetting pkgSetting = null; 7015 7016 if (!isSystemApp(pkg)) { 7017 // Only system apps can use these features. 7018 pkg.mOriginalPackages = null; 7019 pkg.mRealPackage = null; 7020 pkg.mAdoptPermissions = null; 7021 } 7022 7023 // writer 7024 synchronized (mPackages) { 7025 if (pkg.mSharedUserId != null) { 7026 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7027 if (suid == null) { 7028 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7029 "Creating application package " + pkg.packageName 7030 + " for shared user failed"); 7031 } 7032 if (DEBUG_PACKAGE_SCANNING) { 7033 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7034 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7035 + "): packages=" + suid.packages); 7036 } 7037 } 7038 7039 // Check if we are renaming from an original package name. 7040 PackageSetting origPackage = null; 7041 String realName = null; 7042 if (pkg.mOriginalPackages != null) { 7043 // This package may need to be renamed to a previously 7044 // installed name. Let's check on that... 7045 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7046 if (pkg.mOriginalPackages.contains(renamed)) { 7047 // This package had originally been installed as the 7048 // original name, and we have already taken care of 7049 // transitioning to the new one. Just update the new 7050 // one to continue using the old name. 7051 realName = pkg.mRealPackage; 7052 if (!pkg.packageName.equals(renamed)) { 7053 // Callers into this function may have already taken 7054 // care of renaming the package; only do it here if 7055 // it is not already done. 7056 pkg.setPackageName(renamed); 7057 } 7058 7059 } else { 7060 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7061 if ((origPackage = mSettings.peekPackageLPr( 7062 pkg.mOriginalPackages.get(i))) != null) { 7063 // We do have the package already installed under its 7064 // original name... should we use it? 7065 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7066 // New package is not compatible with original. 7067 origPackage = null; 7068 continue; 7069 } else if (origPackage.sharedUser != null) { 7070 // Make sure uid is compatible between packages. 7071 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7072 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7073 + " to " + pkg.packageName + ": old uid " 7074 + origPackage.sharedUser.name 7075 + " differs from " + pkg.mSharedUserId); 7076 origPackage = null; 7077 continue; 7078 } 7079 } else { 7080 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7081 + pkg.packageName + " to old name " + origPackage.name); 7082 } 7083 break; 7084 } 7085 } 7086 } 7087 } 7088 7089 if (mTransferedPackages.contains(pkg.packageName)) { 7090 Slog.w(TAG, "Package " + pkg.packageName 7091 + " was transferred to another, but its .apk remains"); 7092 } 7093 7094 // Just create the setting, don't add it yet. For already existing packages 7095 // the PkgSetting exists already and doesn't have to be created. 7096 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7097 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7098 pkg.applicationInfo.primaryCpuAbi, 7099 pkg.applicationInfo.secondaryCpuAbi, 7100 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7101 user, false); 7102 if (pkgSetting == null) { 7103 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7104 "Creating application package " + pkg.packageName + " failed"); 7105 } 7106 7107 if (pkgSetting.origPackage != null) { 7108 // If we are first transitioning from an original package, 7109 // fix up the new package's name now. We need to do this after 7110 // looking up the package under its new name, so getPackageLP 7111 // can take care of fiddling things correctly. 7112 pkg.setPackageName(origPackage.name); 7113 7114 // File a report about this. 7115 String msg = "New package " + pkgSetting.realName 7116 + " renamed to replace old package " + pkgSetting.name; 7117 reportSettingsProblem(Log.WARN, msg); 7118 7119 // Make a note of it. 7120 mTransferedPackages.add(origPackage.name); 7121 7122 // No longer need to retain this. 7123 pkgSetting.origPackage = null; 7124 } 7125 7126 if (realName != null) { 7127 // Make a note of it. 7128 mTransferedPackages.add(pkg.packageName); 7129 } 7130 7131 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7132 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7133 } 7134 7135 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7136 // Check all shared libraries and map to their actual file path. 7137 // We only do this here for apps not on a system dir, because those 7138 // are the only ones that can fail an install due to this. We 7139 // will take care of the system apps by updating all of their 7140 // library paths after the scan is done. 7141 updateSharedLibrariesLPw(pkg, null); 7142 } 7143 7144 if (mFoundPolicyFile) { 7145 SELinuxMMAC.assignSeinfoValue(pkg); 7146 } 7147 7148 pkg.applicationInfo.uid = pkgSetting.appId; 7149 pkg.mExtras = pkgSetting; 7150 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7151 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7152 // We just determined the app is signed correctly, so bring 7153 // over the latest parsed certs. 7154 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7155 } else { 7156 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7157 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7158 "Package " + pkg.packageName + " upgrade keys do not match the " 7159 + "previously installed version"); 7160 } else { 7161 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7162 String msg = "System package " + pkg.packageName 7163 + " signature changed; retaining data."; 7164 reportSettingsProblem(Log.WARN, msg); 7165 } 7166 } 7167 } else { 7168 try { 7169 verifySignaturesLP(pkgSetting, pkg); 7170 // We just determined the app is signed correctly, so bring 7171 // over the latest parsed certs. 7172 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7173 } catch (PackageManagerException e) { 7174 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7175 throw e; 7176 } 7177 // The signature has changed, but this package is in the system 7178 // image... let's recover! 7179 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7180 // However... if this package is part of a shared user, but it 7181 // doesn't match the signature of the shared user, let's fail. 7182 // What this means is that you can't change the signatures 7183 // associated with an overall shared user, which doesn't seem all 7184 // that unreasonable. 7185 if (pkgSetting.sharedUser != null) { 7186 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7187 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7188 throw new PackageManagerException( 7189 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7190 "Signature mismatch for shared user: " 7191 + pkgSetting.sharedUser); 7192 } 7193 } 7194 // File a report about this. 7195 String msg = "System package " + pkg.packageName 7196 + " signature changed; retaining data."; 7197 reportSettingsProblem(Log.WARN, msg); 7198 } 7199 } 7200 // Verify that this new package doesn't have any content providers 7201 // that conflict with existing packages. Only do this if the 7202 // package isn't already installed, since we don't want to break 7203 // things that are installed. 7204 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7205 final int N = pkg.providers.size(); 7206 int i; 7207 for (i=0; i<N; i++) { 7208 PackageParser.Provider p = pkg.providers.get(i); 7209 if (p.info.authority != null) { 7210 String names[] = p.info.authority.split(";"); 7211 for (int j = 0; j < names.length; j++) { 7212 if (mProvidersByAuthority.containsKey(names[j])) { 7213 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7214 final String otherPackageName = 7215 ((other != null && other.getComponentName() != null) ? 7216 other.getComponentName().getPackageName() : "?"); 7217 throw new PackageManagerException( 7218 INSTALL_FAILED_CONFLICTING_PROVIDER, 7219 "Can't install because provider name " + names[j] 7220 + " (in package " + pkg.applicationInfo.packageName 7221 + ") is already used by " + otherPackageName); 7222 } 7223 } 7224 } 7225 } 7226 } 7227 7228 if (pkg.mAdoptPermissions != null) { 7229 // This package wants to adopt ownership of permissions from 7230 // another package. 7231 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7232 final String origName = pkg.mAdoptPermissions.get(i); 7233 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7234 if (orig != null) { 7235 if (verifyPackageUpdateLPr(orig, pkg)) { 7236 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7237 + pkg.packageName); 7238 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7239 } 7240 } 7241 } 7242 } 7243 } 7244 7245 final String pkgName = pkg.packageName; 7246 7247 final long scanFileTime = scanFile.lastModified(); 7248 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7249 pkg.applicationInfo.processName = fixProcessName( 7250 pkg.applicationInfo.packageName, 7251 pkg.applicationInfo.processName, 7252 pkg.applicationInfo.uid); 7253 7254 if (pkg != mPlatformPackage) { 7255 // This is a normal package, need to make its data directory. 7256 final File dataPath = Environment.getDataUserCredentialEncryptedPackageDirectory( 7257 pkg.volumeUuid, UserHandle.USER_SYSTEM, pkg.packageName); 7258 7259 boolean uidError = false; 7260 if (dataPath.exists()) { 7261 int currentUid = 0; 7262 try { 7263 StructStat stat = Os.stat(dataPath.getPath()); 7264 currentUid = stat.st_uid; 7265 } catch (ErrnoException e) { 7266 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 7267 } 7268 7269 // If we have mismatched owners for the data path, we have a problem. 7270 if (currentUid != pkg.applicationInfo.uid) { 7271 boolean recovered = false; 7272 if (currentUid == 0) { 7273 // The directory somehow became owned by root. Wow. 7274 // This is probably because the system was stopped while 7275 // installd was in the middle of messing with its libs 7276 // directory. Ask installd to fix that. 7277 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 7278 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 7279 if (ret >= 0) { 7280 recovered = true; 7281 String msg = "Package " + pkg.packageName 7282 + " unexpectedly changed to uid 0; recovered to " + 7283 + pkg.applicationInfo.uid; 7284 reportSettingsProblem(Log.WARN, msg); 7285 } 7286 } 7287 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7288 || (scanFlags&SCAN_BOOTING) != 0)) { 7289 // If this is a system app, we can at least delete its 7290 // current data so the application will still work. 7291 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 7292 if (ret >= 0) { 7293 // TODO: Kill the processes first 7294 // Old data gone! 7295 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7296 ? "System package " : "Third party package "; 7297 String msg = prefix + pkg.packageName 7298 + " has changed from uid: " 7299 + currentUid + " to " 7300 + pkg.applicationInfo.uid + "; old data erased"; 7301 reportSettingsProblem(Log.WARN, msg); 7302 recovered = true; 7303 } 7304 if (!recovered) { 7305 mHasSystemUidErrors = true; 7306 } 7307 } else if (!recovered) { 7308 // If we allow this install to proceed, we will be broken. 7309 // Abort, abort! 7310 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 7311 "scanPackageLI"); 7312 } 7313 if (!recovered) { 7314 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 7315 + pkg.applicationInfo.uid + "/fs_" 7316 + currentUid; 7317 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 7318 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 7319 String msg = "Package " + pkg.packageName 7320 + " has mismatched uid: " 7321 + currentUid + " on disk, " 7322 + pkg.applicationInfo.uid + " in settings"; 7323 // writer 7324 synchronized (mPackages) { 7325 mSettings.mReadMessages.append(msg); 7326 mSettings.mReadMessages.append('\n'); 7327 uidError = true; 7328 if (!pkgSetting.uidError) { 7329 reportSettingsProblem(Log.ERROR, msg); 7330 } 7331 } 7332 } 7333 } 7334 7335 // Ensure that directories are prepared 7336 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7337 pkg.applicationInfo.seinfo); 7338 7339 if (mShouldRestoreconData) { 7340 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 7341 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 7342 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 7343 } 7344 } else { 7345 if (DEBUG_PACKAGE_SCANNING) { 7346 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7347 Log.v(TAG, "Want this data dir: " + dataPath); 7348 } 7349 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7350 pkg.applicationInfo.seinfo); 7351 } 7352 7353 // Get all of our default paths setup 7354 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7355 7356 pkgSetting.uidError = uidError; 7357 } 7358 7359 final String path = scanFile.getPath(); 7360 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7361 7362 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7363 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7364 7365 // Some system apps still use directory structure for native libraries 7366 // in which case we might end up not detecting abi solely based on apk 7367 // structure. Try to detect abi based on directory structure. 7368 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7369 pkg.applicationInfo.primaryCpuAbi == null) { 7370 setBundledAppAbisAndRoots(pkg, pkgSetting); 7371 setNativeLibraryPaths(pkg); 7372 } 7373 7374 } else { 7375 if ((scanFlags & SCAN_MOVE) != 0) { 7376 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7377 // but we already have this packages package info in the PackageSetting. We just 7378 // use that and derive the native library path based on the new codepath. 7379 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7380 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7381 } 7382 7383 // Set native library paths again. For moves, the path will be updated based on the 7384 // ABIs we've determined above. For non-moves, the path will be updated based on the 7385 // ABIs we determined during compilation, but the path will depend on the final 7386 // package path (after the rename away from the stage path). 7387 setNativeLibraryPaths(pkg); 7388 } 7389 7390 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 7391 final int[] userIds = sUserManager.getUserIds(); 7392 synchronized (mInstallLock) { 7393 // Make sure all user data directories are ready to roll; we're okay 7394 // if they already exist 7395 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 7396 for (int userId : userIds) { 7397 if (userId != UserHandle.USER_SYSTEM) { 7398 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 7399 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 7400 pkg.applicationInfo.seinfo); 7401 } 7402 } 7403 } 7404 7405 // Create a native library symlink only if we have native libraries 7406 // and if the native libraries are 32 bit libraries. We do not provide 7407 // this symlink for 64 bit libraries. 7408 if (pkg.applicationInfo.primaryCpuAbi != null && 7409 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7410 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "linkNativeLib"); 7411 try { 7412 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7413 for (int userId : userIds) { 7414 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7415 nativeLibPath, userId) < 0) { 7416 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7417 "Failed linking native library dir (user=" + userId + ")"); 7418 } 7419 } 7420 } finally { 7421 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7422 } 7423 } 7424 } 7425 7426 // This is a special case for the "system" package, where the ABI is 7427 // dictated by the zygote configuration (and init.rc). We should keep track 7428 // of this ABI so that we can deal with "normal" applications that run under 7429 // the same UID correctly. 7430 if (mPlatformPackage == pkg) { 7431 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7432 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7433 } 7434 7435 // If there's a mismatch between the abi-override in the package setting 7436 // and the abiOverride specified for the install. Warn about this because we 7437 // would've already compiled the app without taking the package setting into 7438 // account. 7439 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7440 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7441 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7442 " for package " + pkg.packageName); 7443 } 7444 } 7445 7446 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7447 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7448 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7449 7450 // Copy the derived override back to the parsed package, so that we can 7451 // update the package settings accordingly. 7452 pkg.cpuAbiOverride = cpuAbiOverride; 7453 7454 if (DEBUG_ABI_SELECTION) { 7455 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7456 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7457 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7458 } 7459 7460 // Push the derived path down into PackageSettings so we know what to 7461 // clean up at uninstall time. 7462 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7463 7464 if (DEBUG_ABI_SELECTION) { 7465 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7466 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7467 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7468 } 7469 7470 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7471 // We don't do this here during boot because we can do it all 7472 // at once after scanning all existing packages. 7473 // 7474 // We also do this *before* we perform dexopt on this package, so that 7475 // we can avoid redundant dexopts, and also to make sure we've got the 7476 // code and package path correct. 7477 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7478 pkg, true /* boot complete */); 7479 } 7480 7481 if (mFactoryTest && pkg.requestedPermissions.contains( 7482 android.Manifest.permission.FACTORY_TEST)) { 7483 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7484 } 7485 7486 ArrayList<PackageParser.Package> clientLibPkgs = null; 7487 7488 // writer 7489 synchronized (mPackages) { 7490 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7491 // Only system apps can add new shared libraries. 7492 if (pkg.libraryNames != null) { 7493 for (int i=0; i<pkg.libraryNames.size(); i++) { 7494 String name = pkg.libraryNames.get(i); 7495 boolean allowed = false; 7496 if (pkg.isUpdatedSystemApp()) { 7497 // New library entries can only be added through the 7498 // system image. This is important to get rid of a lot 7499 // of nasty edge cases: for example if we allowed a non- 7500 // system update of the app to add a library, then uninstalling 7501 // the update would make the library go away, and assumptions 7502 // we made such as through app install filtering would now 7503 // have allowed apps on the device which aren't compatible 7504 // with it. Better to just have the restriction here, be 7505 // conservative, and create many fewer cases that can negatively 7506 // impact the user experience. 7507 final PackageSetting sysPs = mSettings 7508 .getDisabledSystemPkgLPr(pkg.packageName); 7509 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7510 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7511 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7512 allowed = true; 7513 break; 7514 } 7515 } 7516 } 7517 } else { 7518 allowed = true; 7519 } 7520 if (allowed) { 7521 if (!mSharedLibraries.containsKey(name)) { 7522 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7523 } else if (!name.equals(pkg.packageName)) { 7524 Slog.w(TAG, "Package " + pkg.packageName + " library " 7525 + name + " already exists; skipping"); 7526 } 7527 } else { 7528 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7529 + name + " that is not declared on system image; skipping"); 7530 } 7531 } 7532 if ((scanFlags & SCAN_BOOTING) == 0) { 7533 // If we are not booting, we need to update any applications 7534 // that are clients of our shared library. If we are booting, 7535 // this will all be done once the scan is complete. 7536 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7537 } 7538 } 7539 } 7540 } 7541 7542 // Request the ActivityManager to kill the process(only for existing packages) 7543 // so that we do not end up in a confused state while the user is still using the older 7544 // version of the application while the new one gets installed. 7545 if ((scanFlags & SCAN_REPLACING) != 0) { 7546 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7547 7548 killApplication(pkg.applicationInfo.packageName, 7549 pkg.applicationInfo.uid, "replace pkg"); 7550 7551 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7552 } 7553 7554 // Also need to kill any apps that are dependent on the library. 7555 if (clientLibPkgs != null) { 7556 for (int i=0; i<clientLibPkgs.size(); i++) { 7557 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7558 killApplication(clientPkg.applicationInfo.packageName, 7559 clientPkg.applicationInfo.uid, "update lib"); 7560 } 7561 } 7562 7563 // Make sure we're not adding any bogus keyset info 7564 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7565 ksms.assertScannedPackageValid(pkg); 7566 7567 // writer 7568 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7569 7570 boolean createIdmapFailed = false; 7571 synchronized (mPackages) { 7572 // We don't expect installation to fail beyond this point 7573 7574 // Add the new setting to mSettings 7575 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7576 // Add the new setting to mPackages 7577 mPackages.put(pkg.applicationInfo.packageName, pkg); 7578 // Make sure we don't accidentally delete its data. 7579 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7580 while (iter.hasNext()) { 7581 PackageCleanItem item = iter.next(); 7582 if (pkgName.equals(item.packageName)) { 7583 iter.remove(); 7584 } 7585 } 7586 7587 // Take care of first install / last update times. 7588 if (currentTime != 0) { 7589 if (pkgSetting.firstInstallTime == 0) { 7590 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7591 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7592 pkgSetting.lastUpdateTime = currentTime; 7593 } 7594 } else if (pkgSetting.firstInstallTime == 0) { 7595 // We need *something*. Take time time stamp of the file. 7596 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7597 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7598 if (scanFileTime != pkgSetting.timeStamp) { 7599 // A package on the system image has changed; consider this 7600 // to be an update. 7601 pkgSetting.lastUpdateTime = scanFileTime; 7602 } 7603 } 7604 7605 // Add the package's KeySets to the global KeySetManagerService 7606 ksms.addScannedPackageLPw(pkg); 7607 7608 int N = pkg.providers.size(); 7609 StringBuilder r = null; 7610 int i; 7611 for (i=0; i<N; i++) { 7612 PackageParser.Provider p = pkg.providers.get(i); 7613 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7614 p.info.processName, pkg.applicationInfo.uid); 7615 mProviders.addProvider(p); 7616 p.syncable = p.info.isSyncable; 7617 if (p.info.authority != null) { 7618 String names[] = p.info.authority.split(";"); 7619 p.info.authority = null; 7620 for (int j = 0; j < names.length; j++) { 7621 if (j == 1 && p.syncable) { 7622 // We only want the first authority for a provider to possibly be 7623 // syncable, so if we already added this provider using a different 7624 // authority clear the syncable flag. We copy the provider before 7625 // changing it because the mProviders object contains a reference 7626 // to a provider that we don't want to change. 7627 // Only do this for the second authority since the resulting provider 7628 // object can be the same for all future authorities for this provider. 7629 p = new PackageParser.Provider(p); 7630 p.syncable = false; 7631 } 7632 if (!mProvidersByAuthority.containsKey(names[j])) { 7633 mProvidersByAuthority.put(names[j], p); 7634 if (p.info.authority == null) { 7635 p.info.authority = names[j]; 7636 } else { 7637 p.info.authority = p.info.authority + ";" + names[j]; 7638 } 7639 if (DEBUG_PACKAGE_SCANNING) { 7640 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7641 Log.d(TAG, "Registered content provider: " + names[j] 7642 + ", className = " + p.info.name + ", isSyncable = " 7643 + p.info.isSyncable); 7644 } 7645 } else { 7646 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7647 Slog.w(TAG, "Skipping provider name " + names[j] + 7648 " (in package " + pkg.applicationInfo.packageName + 7649 "): name already used by " 7650 + ((other != null && other.getComponentName() != null) 7651 ? other.getComponentName().getPackageName() : "?")); 7652 } 7653 } 7654 } 7655 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7656 if (r == null) { 7657 r = new StringBuilder(256); 7658 } else { 7659 r.append(' '); 7660 } 7661 r.append(p.info.name); 7662 } 7663 } 7664 if (r != null) { 7665 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7666 } 7667 7668 N = pkg.services.size(); 7669 r = null; 7670 for (i=0; i<N; i++) { 7671 PackageParser.Service s = pkg.services.get(i); 7672 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7673 s.info.processName, pkg.applicationInfo.uid); 7674 mServices.addService(s); 7675 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7676 if (r == null) { 7677 r = new StringBuilder(256); 7678 } else { 7679 r.append(' '); 7680 } 7681 r.append(s.info.name); 7682 } 7683 } 7684 if (r != null) { 7685 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7686 } 7687 7688 N = pkg.receivers.size(); 7689 r = null; 7690 for (i=0; i<N; i++) { 7691 PackageParser.Activity a = pkg.receivers.get(i); 7692 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7693 a.info.processName, pkg.applicationInfo.uid); 7694 mReceivers.addActivity(a, "receiver"); 7695 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7696 if (r == null) { 7697 r = new StringBuilder(256); 7698 } else { 7699 r.append(' '); 7700 } 7701 r.append(a.info.name); 7702 } 7703 } 7704 if (r != null) { 7705 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7706 } 7707 7708 N = pkg.activities.size(); 7709 r = null; 7710 for (i=0; i<N; i++) { 7711 PackageParser.Activity a = pkg.activities.get(i); 7712 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7713 a.info.processName, pkg.applicationInfo.uid); 7714 mActivities.addActivity(a, "activity"); 7715 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7716 if (r == null) { 7717 r = new StringBuilder(256); 7718 } else { 7719 r.append(' '); 7720 } 7721 r.append(a.info.name); 7722 } 7723 } 7724 if (r != null) { 7725 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7726 } 7727 7728 N = pkg.permissionGroups.size(); 7729 r = null; 7730 for (i=0; i<N; i++) { 7731 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7732 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7733 if (cur == null) { 7734 mPermissionGroups.put(pg.info.name, pg); 7735 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7736 if (r == null) { 7737 r = new StringBuilder(256); 7738 } else { 7739 r.append(' '); 7740 } 7741 r.append(pg.info.name); 7742 } 7743 } else { 7744 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7745 + pg.info.packageName + " ignored: original from " 7746 + cur.info.packageName); 7747 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7748 if (r == null) { 7749 r = new StringBuilder(256); 7750 } else { 7751 r.append(' '); 7752 } 7753 r.append("DUP:"); 7754 r.append(pg.info.name); 7755 } 7756 } 7757 } 7758 if (r != null) { 7759 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7760 } 7761 7762 N = pkg.permissions.size(); 7763 r = null; 7764 for (i=0; i<N; i++) { 7765 PackageParser.Permission p = pkg.permissions.get(i); 7766 7767 // Assume by default that we did not install this permission into the system. 7768 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7769 7770 // Now that permission groups have a special meaning, we ignore permission 7771 // groups for legacy apps to prevent unexpected behavior. In particular, 7772 // permissions for one app being granted to someone just becuase they happen 7773 // to be in a group defined by another app (before this had no implications). 7774 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7775 p.group = mPermissionGroups.get(p.info.group); 7776 // Warn for a permission in an unknown group. 7777 if (p.info.group != null && p.group == null) { 7778 Slog.w(TAG, "Permission " + p.info.name + " from package " 7779 + p.info.packageName + " in an unknown group " + p.info.group); 7780 } 7781 } 7782 7783 ArrayMap<String, BasePermission> permissionMap = 7784 p.tree ? mSettings.mPermissionTrees 7785 : mSettings.mPermissions; 7786 BasePermission bp = permissionMap.get(p.info.name); 7787 7788 // Allow system apps to redefine non-system permissions 7789 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7790 final boolean currentOwnerIsSystem = (bp.perm != null 7791 && isSystemApp(bp.perm.owner)); 7792 if (isSystemApp(p.owner)) { 7793 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7794 // It's a built-in permission and no owner, take ownership now 7795 bp.packageSetting = pkgSetting; 7796 bp.perm = p; 7797 bp.uid = pkg.applicationInfo.uid; 7798 bp.sourcePackage = p.info.packageName; 7799 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7800 } else if (!currentOwnerIsSystem) { 7801 String msg = "New decl " + p.owner + " of permission " 7802 + p.info.name + " is system; overriding " + bp.sourcePackage; 7803 reportSettingsProblem(Log.WARN, msg); 7804 bp = null; 7805 } 7806 } 7807 } 7808 7809 if (bp == null) { 7810 bp = new BasePermission(p.info.name, p.info.packageName, 7811 BasePermission.TYPE_NORMAL); 7812 permissionMap.put(p.info.name, bp); 7813 } 7814 7815 if (bp.perm == null) { 7816 if (bp.sourcePackage == null 7817 || bp.sourcePackage.equals(p.info.packageName)) { 7818 BasePermission tree = findPermissionTreeLP(p.info.name); 7819 if (tree == null 7820 || tree.sourcePackage.equals(p.info.packageName)) { 7821 bp.packageSetting = pkgSetting; 7822 bp.perm = p; 7823 bp.uid = pkg.applicationInfo.uid; 7824 bp.sourcePackage = p.info.packageName; 7825 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7826 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7827 if (r == null) { 7828 r = new StringBuilder(256); 7829 } else { 7830 r.append(' '); 7831 } 7832 r.append(p.info.name); 7833 } 7834 } else { 7835 Slog.w(TAG, "Permission " + p.info.name + " from package " 7836 + p.info.packageName + " ignored: base tree " 7837 + tree.name + " is from package " 7838 + tree.sourcePackage); 7839 } 7840 } else { 7841 Slog.w(TAG, "Permission " + p.info.name + " from package " 7842 + p.info.packageName + " ignored: original from " 7843 + bp.sourcePackage); 7844 } 7845 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7846 if (r == null) { 7847 r = new StringBuilder(256); 7848 } else { 7849 r.append(' '); 7850 } 7851 r.append("DUP:"); 7852 r.append(p.info.name); 7853 } 7854 if (bp.perm == p) { 7855 bp.protectionLevel = p.info.protectionLevel; 7856 } 7857 } 7858 7859 if (r != null) { 7860 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7861 } 7862 7863 N = pkg.instrumentation.size(); 7864 r = null; 7865 for (i=0; i<N; i++) { 7866 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7867 a.info.packageName = pkg.applicationInfo.packageName; 7868 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7869 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7870 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7871 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7872 a.info.dataDir = pkg.applicationInfo.dataDir; 7873 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 7874 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 7875 7876 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7877 // need other information about the application, like the ABI and what not ? 7878 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7879 mInstrumentation.put(a.getComponentName(), a); 7880 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7881 if (r == null) { 7882 r = new StringBuilder(256); 7883 } else { 7884 r.append(' '); 7885 } 7886 r.append(a.info.name); 7887 } 7888 } 7889 if (r != null) { 7890 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7891 } 7892 7893 if (pkg.protectedBroadcasts != null) { 7894 N = pkg.protectedBroadcasts.size(); 7895 for (i=0; i<N; i++) { 7896 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7897 } 7898 } 7899 7900 pkgSetting.setTimeStamp(scanFileTime); 7901 7902 // Create idmap files for pairs of (packages, overlay packages). 7903 // Note: "android", ie framework-res.apk, is handled by native layers. 7904 if (pkg.mOverlayTarget != null) { 7905 // This is an overlay package. 7906 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7907 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7908 mOverlays.put(pkg.mOverlayTarget, 7909 new ArrayMap<String, PackageParser.Package>()); 7910 } 7911 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7912 map.put(pkg.packageName, pkg); 7913 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7914 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7915 createIdmapFailed = true; 7916 } 7917 } 7918 } else if (mOverlays.containsKey(pkg.packageName) && 7919 !pkg.packageName.equals("android")) { 7920 // This is a regular package, with one or more known overlay packages. 7921 createIdmapsForPackageLI(pkg); 7922 } 7923 } 7924 7925 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7926 7927 if (createIdmapFailed) { 7928 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7929 "scanPackageLI failed to createIdmap"); 7930 } 7931 return pkg; 7932 } 7933 7934 /** 7935 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7936 * is derived purely on the basis of the contents of {@code scanFile} and 7937 * {@code cpuAbiOverride}. 7938 * 7939 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7940 */ 7941 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7942 String cpuAbiOverride, boolean extractLibs) 7943 throws PackageManagerException { 7944 // TODO: We can probably be smarter about this stuff. For installed apps, 7945 // we can calculate this information at install time once and for all. For 7946 // system apps, we can probably assume that this information doesn't change 7947 // after the first boot scan. As things stand, we do lots of unnecessary work. 7948 7949 // Give ourselves some initial paths; we'll come back for another 7950 // pass once we've determined ABI below. 7951 setNativeLibraryPaths(pkg); 7952 7953 // We would never need to extract libs for forward-locked and external packages, 7954 // since the container service will do it for us. We shouldn't attempt to 7955 // extract libs from system app when it was not updated. 7956 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 7957 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 7958 extractLibs = false; 7959 } 7960 7961 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7962 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7963 7964 NativeLibraryHelper.Handle handle = null; 7965 try { 7966 handle = NativeLibraryHelper.Handle.create(pkg); 7967 // TODO(multiArch): This can be null for apps that didn't go through the 7968 // usual installation process. We can calculate it again, like we 7969 // do during install time. 7970 // 7971 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7972 // unnecessary. 7973 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7974 7975 // Null out the abis so that they can be recalculated. 7976 pkg.applicationInfo.primaryCpuAbi = null; 7977 pkg.applicationInfo.secondaryCpuAbi = null; 7978 if (isMultiArch(pkg.applicationInfo)) { 7979 // Warn if we've set an abiOverride for multi-lib packages.. 7980 // By definition, we need to copy both 32 and 64 bit libraries for 7981 // such packages. 7982 if (pkg.cpuAbiOverride != null 7983 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7984 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7985 } 7986 7987 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7988 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7989 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7990 if (extractLibs) { 7991 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7992 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7993 useIsaSpecificSubdirs); 7994 } else { 7995 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7996 } 7997 } 7998 7999 maybeThrowExceptionForMultiArchCopy( 8000 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8001 8002 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8003 if (extractLibs) { 8004 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8005 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8006 useIsaSpecificSubdirs); 8007 } else { 8008 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8009 } 8010 } 8011 8012 maybeThrowExceptionForMultiArchCopy( 8013 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8014 8015 if (abi64 >= 0) { 8016 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8017 } 8018 8019 if (abi32 >= 0) { 8020 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8021 if (abi64 >= 0) { 8022 pkg.applicationInfo.secondaryCpuAbi = abi; 8023 } else { 8024 pkg.applicationInfo.primaryCpuAbi = abi; 8025 } 8026 } 8027 } else { 8028 String[] abiList = (cpuAbiOverride != null) ? 8029 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8030 8031 // Enable gross and lame hacks for apps that are built with old 8032 // SDK tools. We must scan their APKs for renderscript bitcode and 8033 // not launch them if it's present. Don't bother checking on devices 8034 // that don't have 64 bit support. 8035 boolean needsRenderScriptOverride = false; 8036 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8037 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8038 abiList = Build.SUPPORTED_32_BIT_ABIS; 8039 needsRenderScriptOverride = true; 8040 } 8041 8042 final int copyRet; 8043 if (extractLibs) { 8044 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8045 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8046 } else { 8047 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8048 } 8049 8050 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8051 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8052 "Error unpackaging native libs for app, errorCode=" + copyRet); 8053 } 8054 8055 if (copyRet >= 0) { 8056 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8057 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8058 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8059 } else if (needsRenderScriptOverride) { 8060 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8061 } 8062 } 8063 } catch (IOException ioe) { 8064 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8065 } finally { 8066 IoUtils.closeQuietly(handle); 8067 } 8068 8069 // Now that we've calculated the ABIs and determined if it's an internal app, 8070 // we will go ahead and populate the nativeLibraryPath. 8071 setNativeLibraryPaths(pkg); 8072 } 8073 8074 /** 8075 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8076 * i.e, so that all packages can be run inside a single process if required. 8077 * 8078 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8079 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8080 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8081 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8082 * updating a package that belongs to a shared user. 8083 * 8084 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8085 * adds unnecessary complexity. 8086 */ 8087 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8088 PackageParser.Package scannedPackage, boolean bootComplete) { 8089 String requiredInstructionSet = null; 8090 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8091 requiredInstructionSet = VMRuntime.getInstructionSet( 8092 scannedPackage.applicationInfo.primaryCpuAbi); 8093 } 8094 8095 PackageSetting requirer = null; 8096 for (PackageSetting ps : packagesForUser) { 8097 // If packagesForUser contains scannedPackage, we skip it. This will happen 8098 // when scannedPackage is an update of an existing package. Without this check, 8099 // we will never be able to change the ABI of any package belonging to a shared 8100 // user, even if it's compatible with other packages. 8101 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8102 if (ps.primaryCpuAbiString == null) { 8103 continue; 8104 } 8105 8106 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8107 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8108 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8109 // this but there's not much we can do. 8110 String errorMessage = "Instruction set mismatch, " 8111 + ((requirer == null) ? "[caller]" : requirer) 8112 + " requires " + requiredInstructionSet + " whereas " + ps 8113 + " requires " + instructionSet; 8114 Slog.w(TAG, errorMessage); 8115 } 8116 8117 if (requiredInstructionSet == null) { 8118 requiredInstructionSet = instructionSet; 8119 requirer = ps; 8120 } 8121 } 8122 } 8123 8124 if (requiredInstructionSet != null) { 8125 String adjustedAbi; 8126 if (requirer != null) { 8127 // requirer != null implies that either scannedPackage was null or that scannedPackage 8128 // did not require an ABI, in which case we have to adjust scannedPackage to match 8129 // the ABI of the set (which is the same as requirer's ABI) 8130 adjustedAbi = requirer.primaryCpuAbiString; 8131 if (scannedPackage != null) { 8132 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8133 } 8134 } else { 8135 // requirer == null implies that we're updating all ABIs in the set to 8136 // match scannedPackage. 8137 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8138 } 8139 8140 for (PackageSetting ps : packagesForUser) { 8141 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8142 if (ps.primaryCpuAbiString != null) { 8143 continue; 8144 } 8145 8146 ps.primaryCpuAbiString = adjustedAbi; 8147 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 8148 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8149 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi); 8150 mInstaller.rmdex(ps.codePathString, 8151 getDexCodeInstructionSet(getPreferredInstructionSet())); 8152 } 8153 } 8154 } 8155 } 8156 } 8157 8158 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8159 synchronized (mPackages) { 8160 mResolverReplaced = true; 8161 // Set up information for custom user intent resolution activity. 8162 mResolveActivity.applicationInfo = pkg.applicationInfo; 8163 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8164 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8165 mResolveActivity.processName = pkg.applicationInfo.packageName; 8166 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8167 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8168 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8169 mResolveActivity.theme = 0; 8170 mResolveActivity.exported = true; 8171 mResolveActivity.enabled = true; 8172 mResolveInfo.activityInfo = mResolveActivity; 8173 mResolveInfo.priority = 0; 8174 mResolveInfo.preferredOrder = 0; 8175 mResolveInfo.match = 0; 8176 mResolveComponentName = mCustomResolverComponentName; 8177 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8178 mResolveComponentName); 8179 } 8180 } 8181 8182 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8183 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8184 8185 // Set up information for ephemeral installer activity 8186 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8187 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8188 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8189 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8190 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8191 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8192 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8193 mEphemeralInstallerActivity.theme = 0; 8194 mEphemeralInstallerActivity.exported = true; 8195 mEphemeralInstallerActivity.enabled = true; 8196 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8197 mEphemeralInstallerInfo.priority = 0; 8198 mEphemeralInstallerInfo.preferredOrder = 0; 8199 mEphemeralInstallerInfo.match = 0; 8200 8201 if (DEBUG_EPHEMERAL) { 8202 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8203 } 8204 } 8205 8206 private static String calculateBundledApkRoot(final String codePathString) { 8207 final File codePath = new File(codePathString); 8208 final File codeRoot; 8209 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8210 codeRoot = Environment.getRootDirectory(); 8211 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8212 codeRoot = Environment.getOemDirectory(); 8213 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8214 codeRoot = Environment.getVendorDirectory(); 8215 } else { 8216 // Unrecognized code path; take its top real segment as the apk root: 8217 // e.g. /something/app/blah.apk => /something 8218 try { 8219 File f = codePath.getCanonicalFile(); 8220 File parent = f.getParentFile(); // non-null because codePath is a file 8221 File tmp; 8222 while ((tmp = parent.getParentFile()) != null) { 8223 f = parent; 8224 parent = tmp; 8225 } 8226 codeRoot = f; 8227 Slog.w(TAG, "Unrecognized code path " 8228 + codePath + " - using " + codeRoot); 8229 } catch (IOException e) { 8230 // Can't canonicalize the code path -- shenanigans? 8231 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8232 return Environment.getRootDirectory().getPath(); 8233 } 8234 } 8235 return codeRoot.getPath(); 8236 } 8237 8238 /** 8239 * Derive and set the location of native libraries for the given package, 8240 * which varies depending on where and how the package was installed. 8241 */ 8242 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8243 final ApplicationInfo info = pkg.applicationInfo; 8244 final String codePath = pkg.codePath; 8245 final File codeFile = new File(codePath); 8246 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8247 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8248 8249 info.nativeLibraryRootDir = null; 8250 info.nativeLibraryRootRequiresIsa = false; 8251 info.nativeLibraryDir = null; 8252 info.secondaryNativeLibraryDir = null; 8253 8254 if (isApkFile(codeFile)) { 8255 // Monolithic install 8256 if (bundledApp) { 8257 // If "/system/lib64/apkname" exists, assume that is the per-package 8258 // native library directory to use; otherwise use "/system/lib/apkname". 8259 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8260 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8261 getPrimaryInstructionSet(info)); 8262 8263 // This is a bundled system app so choose the path based on the ABI. 8264 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8265 // is just the default path. 8266 final String apkName = deriveCodePathName(codePath); 8267 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8268 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8269 apkName).getAbsolutePath(); 8270 8271 if (info.secondaryCpuAbi != null) { 8272 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8273 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8274 secondaryLibDir, apkName).getAbsolutePath(); 8275 } 8276 } else if (asecApp) { 8277 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8278 .getAbsolutePath(); 8279 } else { 8280 final String apkName = deriveCodePathName(codePath); 8281 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8282 .getAbsolutePath(); 8283 } 8284 8285 info.nativeLibraryRootRequiresIsa = false; 8286 info.nativeLibraryDir = info.nativeLibraryRootDir; 8287 } else { 8288 // Cluster install 8289 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8290 info.nativeLibraryRootRequiresIsa = true; 8291 8292 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8293 getPrimaryInstructionSet(info)).getAbsolutePath(); 8294 8295 if (info.secondaryCpuAbi != null) { 8296 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8297 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8298 } 8299 } 8300 } 8301 8302 /** 8303 * Calculate the abis and roots for a bundled app. These can uniquely 8304 * be determined from the contents of the system partition, i.e whether 8305 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8306 * of this information, and instead assume that the system was built 8307 * sensibly. 8308 */ 8309 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8310 PackageSetting pkgSetting) { 8311 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8312 8313 // If "/system/lib64/apkname" exists, assume that is the per-package 8314 // native library directory to use; otherwise use "/system/lib/apkname". 8315 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8316 setBundledAppAbi(pkg, apkRoot, apkName); 8317 // pkgSetting might be null during rescan following uninstall of updates 8318 // to a bundled app, so accommodate that possibility. The settings in 8319 // that case will be established later from the parsed package. 8320 // 8321 // If the settings aren't null, sync them up with what we've just derived. 8322 // note that apkRoot isn't stored in the package settings. 8323 if (pkgSetting != null) { 8324 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8325 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8326 } 8327 } 8328 8329 /** 8330 * Deduces the ABI of a bundled app and sets the relevant fields on the 8331 * parsed pkg object. 8332 * 8333 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8334 * under which system libraries are installed. 8335 * @param apkName the name of the installed package. 8336 */ 8337 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8338 final File codeFile = new File(pkg.codePath); 8339 8340 final boolean has64BitLibs; 8341 final boolean has32BitLibs; 8342 if (isApkFile(codeFile)) { 8343 // Monolithic install 8344 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8345 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8346 } else { 8347 // Cluster install 8348 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8349 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8350 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8351 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8352 has64BitLibs = (new File(rootDir, isa)).exists(); 8353 } else { 8354 has64BitLibs = false; 8355 } 8356 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8357 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8358 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8359 has32BitLibs = (new File(rootDir, isa)).exists(); 8360 } else { 8361 has32BitLibs = false; 8362 } 8363 } 8364 8365 if (has64BitLibs && !has32BitLibs) { 8366 // The package has 64 bit libs, but not 32 bit libs. Its primary 8367 // ABI should be 64 bit. We can safely assume here that the bundled 8368 // native libraries correspond to the most preferred ABI in the list. 8369 8370 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8371 pkg.applicationInfo.secondaryCpuAbi = null; 8372 } else if (has32BitLibs && !has64BitLibs) { 8373 // The package has 32 bit libs but not 64 bit libs. Its primary 8374 // ABI should be 32 bit. 8375 8376 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8377 pkg.applicationInfo.secondaryCpuAbi = null; 8378 } else if (has32BitLibs && has64BitLibs) { 8379 // The application has both 64 and 32 bit bundled libraries. We check 8380 // here that the app declares multiArch support, and warn if it doesn't. 8381 // 8382 // We will be lenient here and record both ABIs. The primary will be the 8383 // ABI that's higher on the list, i.e, a device that's configured to prefer 8384 // 64 bit apps will see a 64 bit primary ABI, 8385 8386 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8387 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8388 } 8389 8390 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8391 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8392 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8393 } else { 8394 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8395 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8396 } 8397 } else { 8398 pkg.applicationInfo.primaryCpuAbi = null; 8399 pkg.applicationInfo.secondaryCpuAbi = null; 8400 } 8401 } 8402 8403 private void killApplication(String pkgName, int appId, String reason) { 8404 // Request the ActivityManager to kill the process(only for existing packages) 8405 // so that we do not end up in a confused state while the user is still using the older 8406 // version of the application while the new one gets installed. 8407 IActivityManager am = ActivityManagerNative.getDefault(); 8408 if (am != null) { 8409 try { 8410 am.killApplicationWithAppId(pkgName, appId, reason); 8411 } catch (RemoteException e) { 8412 } 8413 } 8414 } 8415 8416 void removePackageLI(PackageSetting ps, boolean chatty) { 8417 if (DEBUG_INSTALL) { 8418 if (chatty) 8419 Log.d(TAG, "Removing package " + ps.name); 8420 } 8421 8422 // writer 8423 synchronized (mPackages) { 8424 mPackages.remove(ps.name); 8425 final PackageParser.Package pkg = ps.pkg; 8426 if (pkg != null) { 8427 cleanPackageDataStructuresLILPw(pkg, chatty); 8428 } 8429 } 8430 } 8431 8432 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8433 if (DEBUG_INSTALL) { 8434 if (chatty) 8435 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8436 } 8437 8438 // writer 8439 synchronized (mPackages) { 8440 mPackages.remove(pkg.applicationInfo.packageName); 8441 cleanPackageDataStructuresLILPw(pkg, chatty); 8442 } 8443 } 8444 8445 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8446 int N = pkg.providers.size(); 8447 StringBuilder r = null; 8448 int i; 8449 for (i=0; i<N; i++) { 8450 PackageParser.Provider p = pkg.providers.get(i); 8451 mProviders.removeProvider(p); 8452 if (p.info.authority == null) { 8453 8454 /* There was another ContentProvider with this authority when 8455 * this app was installed so this authority is null, 8456 * Ignore it as we don't have to unregister the provider. 8457 */ 8458 continue; 8459 } 8460 String names[] = p.info.authority.split(";"); 8461 for (int j = 0; j < names.length; j++) { 8462 if (mProvidersByAuthority.get(names[j]) == p) { 8463 mProvidersByAuthority.remove(names[j]); 8464 if (DEBUG_REMOVE) { 8465 if (chatty) 8466 Log.d(TAG, "Unregistered content provider: " + names[j] 8467 + ", className = " + p.info.name + ", isSyncable = " 8468 + p.info.isSyncable); 8469 } 8470 } 8471 } 8472 if (DEBUG_REMOVE && chatty) { 8473 if (r == null) { 8474 r = new StringBuilder(256); 8475 } else { 8476 r.append(' '); 8477 } 8478 r.append(p.info.name); 8479 } 8480 } 8481 if (r != null) { 8482 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8483 } 8484 8485 N = pkg.services.size(); 8486 r = null; 8487 for (i=0; i<N; i++) { 8488 PackageParser.Service s = pkg.services.get(i); 8489 mServices.removeService(s); 8490 if (chatty) { 8491 if (r == null) { 8492 r = new StringBuilder(256); 8493 } else { 8494 r.append(' '); 8495 } 8496 r.append(s.info.name); 8497 } 8498 } 8499 if (r != null) { 8500 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8501 } 8502 8503 N = pkg.receivers.size(); 8504 r = null; 8505 for (i=0; i<N; i++) { 8506 PackageParser.Activity a = pkg.receivers.get(i); 8507 mReceivers.removeActivity(a, "receiver"); 8508 if (DEBUG_REMOVE && chatty) { 8509 if (r == null) { 8510 r = new StringBuilder(256); 8511 } else { 8512 r.append(' '); 8513 } 8514 r.append(a.info.name); 8515 } 8516 } 8517 if (r != null) { 8518 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8519 } 8520 8521 N = pkg.activities.size(); 8522 r = null; 8523 for (i=0; i<N; i++) { 8524 PackageParser.Activity a = pkg.activities.get(i); 8525 mActivities.removeActivity(a, "activity"); 8526 if (DEBUG_REMOVE && chatty) { 8527 if (r == null) { 8528 r = new StringBuilder(256); 8529 } else { 8530 r.append(' '); 8531 } 8532 r.append(a.info.name); 8533 } 8534 } 8535 if (r != null) { 8536 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8537 } 8538 8539 N = pkg.permissions.size(); 8540 r = null; 8541 for (i=0; i<N; i++) { 8542 PackageParser.Permission p = pkg.permissions.get(i); 8543 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8544 if (bp == null) { 8545 bp = mSettings.mPermissionTrees.get(p.info.name); 8546 } 8547 if (bp != null && bp.perm == p) { 8548 bp.perm = null; 8549 if (DEBUG_REMOVE && chatty) { 8550 if (r == null) { 8551 r = new StringBuilder(256); 8552 } else { 8553 r.append(' '); 8554 } 8555 r.append(p.info.name); 8556 } 8557 } 8558 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8559 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 8560 if (appOpPkgs != null) { 8561 appOpPkgs.remove(pkg.packageName); 8562 } 8563 } 8564 } 8565 if (r != null) { 8566 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8567 } 8568 8569 N = pkg.requestedPermissions.size(); 8570 r = null; 8571 for (i=0; i<N; i++) { 8572 String perm = pkg.requestedPermissions.get(i); 8573 BasePermission bp = mSettings.mPermissions.get(perm); 8574 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8575 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 8576 if (appOpPkgs != null) { 8577 appOpPkgs.remove(pkg.packageName); 8578 if (appOpPkgs.isEmpty()) { 8579 mAppOpPermissionPackages.remove(perm); 8580 } 8581 } 8582 } 8583 } 8584 if (r != null) { 8585 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8586 } 8587 8588 N = pkg.instrumentation.size(); 8589 r = null; 8590 for (i=0; i<N; i++) { 8591 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8592 mInstrumentation.remove(a.getComponentName()); 8593 if (DEBUG_REMOVE && chatty) { 8594 if (r == null) { 8595 r = new StringBuilder(256); 8596 } else { 8597 r.append(' '); 8598 } 8599 r.append(a.info.name); 8600 } 8601 } 8602 if (r != null) { 8603 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8604 } 8605 8606 r = null; 8607 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8608 // Only system apps can hold shared libraries. 8609 if (pkg.libraryNames != null) { 8610 for (i=0; i<pkg.libraryNames.size(); i++) { 8611 String name = pkg.libraryNames.get(i); 8612 SharedLibraryEntry cur = mSharedLibraries.get(name); 8613 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8614 mSharedLibraries.remove(name); 8615 if (DEBUG_REMOVE && chatty) { 8616 if (r == null) { 8617 r = new StringBuilder(256); 8618 } else { 8619 r.append(' '); 8620 } 8621 r.append(name); 8622 } 8623 } 8624 } 8625 } 8626 } 8627 if (r != null) { 8628 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8629 } 8630 } 8631 8632 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8633 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8634 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8635 return true; 8636 } 8637 } 8638 return false; 8639 } 8640 8641 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8642 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8643 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8644 8645 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 8646 int flags) { 8647 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 8648 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 8649 } 8650 8651 private void updatePermissionsLPw(String changingPkg, 8652 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 8653 // Make sure there are no dangling permission trees. 8654 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8655 while (it.hasNext()) { 8656 final BasePermission bp = it.next(); 8657 if (bp.packageSetting == null) { 8658 // We may not yet have parsed the package, so just see if 8659 // we still know about its settings. 8660 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8661 } 8662 if (bp.packageSetting == null) { 8663 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8664 + " from package " + bp.sourcePackage); 8665 it.remove(); 8666 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8667 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8668 Slog.i(TAG, "Removing old permission tree: " + bp.name 8669 + " from package " + bp.sourcePackage); 8670 flags |= UPDATE_PERMISSIONS_ALL; 8671 it.remove(); 8672 } 8673 } 8674 } 8675 8676 // Make sure all dynamic permissions have been assigned to a package, 8677 // and make sure there are no dangling permissions. 8678 it = mSettings.mPermissions.values().iterator(); 8679 while (it.hasNext()) { 8680 final BasePermission bp = it.next(); 8681 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8682 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8683 + bp.name + " pkg=" + bp.sourcePackage 8684 + " info=" + bp.pendingInfo); 8685 if (bp.packageSetting == null && bp.pendingInfo != null) { 8686 final BasePermission tree = findPermissionTreeLP(bp.name); 8687 if (tree != null && tree.perm != null) { 8688 bp.packageSetting = tree.packageSetting; 8689 bp.perm = new PackageParser.Permission(tree.perm.owner, 8690 new PermissionInfo(bp.pendingInfo)); 8691 bp.perm.info.packageName = tree.perm.info.packageName; 8692 bp.perm.info.name = bp.name; 8693 bp.uid = tree.uid; 8694 } 8695 } 8696 } 8697 if (bp.packageSetting == null) { 8698 // We may not yet have parsed the package, so just see if 8699 // we still know about its settings. 8700 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8701 } 8702 if (bp.packageSetting == null) { 8703 Slog.w(TAG, "Removing dangling permission: " + bp.name 8704 + " from package " + bp.sourcePackage); 8705 it.remove(); 8706 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8707 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8708 Slog.i(TAG, "Removing old permission: " + bp.name 8709 + " from package " + bp.sourcePackage); 8710 flags |= UPDATE_PERMISSIONS_ALL; 8711 it.remove(); 8712 } 8713 } 8714 } 8715 8716 // Now update the permissions for all packages, in particular 8717 // replace the granted permissions of the system packages. 8718 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8719 for (PackageParser.Package pkg : mPackages.values()) { 8720 if (pkg != pkgInfo) { 8721 // Only replace for packages on requested volume 8722 final String volumeUuid = getVolumeUuidForPackage(pkg); 8723 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 8724 && Objects.equals(replaceVolumeUuid, volumeUuid); 8725 grantPermissionsLPw(pkg, replace, changingPkg); 8726 } 8727 } 8728 } 8729 8730 if (pkgInfo != null) { 8731 // Only replace for packages on requested volume 8732 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 8733 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 8734 && Objects.equals(replaceVolumeUuid, volumeUuid); 8735 grantPermissionsLPw(pkgInfo, replace, changingPkg); 8736 } 8737 } 8738 8739 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8740 String packageOfInterest) { 8741 // IMPORTANT: There are two types of permissions: install and runtime. 8742 // Install time permissions are granted when the app is installed to 8743 // all device users and users added in the future. Runtime permissions 8744 // are granted at runtime explicitly to specific users. Normal and signature 8745 // protected permissions are install time permissions. Dangerous permissions 8746 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8747 // otherwise they are runtime permissions. This function does not manage 8748 // runtime permissions except for the case an app targeting Lollipop MR1 8749 // being upgraded to target a newer SDK, in which case dangerous permissions 8750 // are transformed from install time to runtime ones. 8751 8752 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8753 if (ps == null) { 8754 return; 8755 } 8756 8757 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 8758 8759 PermissionsState permissionsState = ps.getPermissionsState(); 8760 PermissionsState origPermissions = permissionsState; 8761 8762 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8763 8764 boolean runtimePermissionsRevoked = false; 8765 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8766 8767 boolean changedInstallPermission = false; 8768 8769 if (replace) { 8770 ps.installPermissionsFixed = false; 8771 if (!ps.isSharedUser()) { 8772 origPermissions = new PermissionsState(permissionsState); 8773 permissionsState.reset(); 8774 } else { 8775 // We need to know only about runtime permission changes since the 8776 // calling code always writes the install permissions state but 8777 // the runtime ones are written only if changed. The only cases of 8778 // changed runtime permissions here are promotion of an install to 8779 // runtime and revocation of a runtime from a shared user. 8780 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 8781 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 8782 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 8783 runtimePermissionsRevoked = true; 8784 } 8785 } 8786 } 8787 8788 permissionsState.setGlobalGids(mGlobalGids); 8789 8790 final int N = pkg.requestedPermissions.size(); 8791 for (int i=0; i<N; i++) { 8792 final String name = pkg.requestedPermissions.get(i); 8793 final BasePermission bp = mSettings.mPermissions.get(name); 8794 8795 if (DEBUG_INSTALL) { 8796 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8797 } 8798 8799 if (bp == null || bp.packageSetting == null) { 8800 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8801 Slog.w(TAG, "Unknown permission " + name 8802 + " in package " + pkg.packageName); 8803 } 8804 continue; 8805 } 8806 8807 final String perm = bp.name; 8808 boolean allowedSig = false; 8809 int grant = GRANT_DENIED; 8810 8811 // Keep track of app op permissions. 8812 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8813 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8814 if (pkgs == null) { 8815 pkgs = new ArraySet<>(); 8816 mAppOpPermissionPackages.put(bp.name, pkgs); 8817 } 8818 pkgs.add(pkg.packageName); 8819 } 8820 8821 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8822 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 8823 >= Build.VERSION_CODES.M; 8824 switch (level) { 8825 case PermissionInfo.PROTECTION_NORMAL: { 8826 // For all apps normal permissions are install time ones. 8827 grant = GRANT_INSTALL; 8828 } break; 8829 8830 case PermissionInfo.PROTECTION_DANGEROUS: { 8831 // If a permission review is required for legacy apps we represent 8832 // their permissions as always granted runtime ones since we need 8833 // to keep the review required permission flag per user while an 8834 // install permission's state is shared across all users. 8835 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 8836 // For legacy apps dangerous permissions are install time ones. 8837 grant = GRANT_INSTALL; 8838 } else if (origPermissions.hasInstallPermission(bp.name)) { 8839 // For legacy apps that became modern, install becomes runtime. 8840 grant = GRANT_UPGRADE; 8841 } else if (mPromoteSystemApps 8842 && isSystemApp(ps) 8843 && mExistingSystemPackages.contains(ps.name)) { 8844 // For legacy system apps, install becomes runtime. 8845 // We cannot check hasInstallPermission() for system apps since those 8846 // permissions were granted implicitly and not persisted pre-M. 8847 grant = GRANT_UPGRADE; 8848 } else { 8849 // For modern apps keep runtime permissions unchanged. 8850 grant = GRANT_RUNTIME; 8851 } 8852 } break; 8853 8854 case PermissionInfo.PROTECTION_SIGNATURE: { 8855 // For all apps signature permissions are install time ones. 8856 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8857 if (allowedSig) { 8858 grant = GRANT_INSTALL; 8859 } 8860 } break; 8861 } 8862 8863 if (DEBUG_INSTALL) { 8864 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8865 } 8866 8867 if (grant != GRANT_DENIED) { 8868 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8869 // If this is an existing, non-system package, then 8870 // we can't add any new permissions to it. 8871 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8872 // Except... if this is a permission that was added 8873 // to the platform (note: need to only do this when 8874 // updating the platform). 8875 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8876 grant = GRANT_DENIED; 8877 } 8878 } 8879 } 8880 8881 switch (grant) { 8882 case GRANT_INSTALL: { 8883 // Revoke this as runtime permission to handle the case of 8884 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 8885 for (int userId : UserManagerService.getInstance().getUserIds()) { 8886 if (origPermissions.getRuntimePermissionState( 8887 bp.name, userId) != null) { 8888 // Revoke the runtime permission and clear the flags. 8889 origPermissions.revokeRuntimePermission(bp, userId); 8890 origPermissions.updatePermissionFlags(bp, userId, 8891 PackageManager.MASK_PERMISSION_FLAGS, 0); 8892 // If we revoked a permission permission, we have to write. 8893 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8894 changedRuntimePermissionUserIds, userId); 8895 } 8896 } 8897 // Grant an install permission. 8898 if (permissionsState.grantInstallPermission(bp) != 8899 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8900 changedInstallPermission = true; 8901 } 8902 } break; 8903 8904 case GRANT_RUNTIME: { 8905 // Grant previously granted runtime permissions. 8906 for (int userId : UserManagerService.getInstance().getUserIds()) { 8907 PermissionState permissionState = origPermissions 8908 .getRuntimePermissionState(bp.name, userId); 8909 int flags = permissionState != null 8910 ? permissionState.getFlags() : 0; 8911 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8912 if (permissionsState.grantRuntimePermission(bp, userId) == 8913 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8914 // If we cannot put the permission as it was, we have to write. 8915 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8916 changedRuntimePermissionUserIds, userId); 8917 } 8918 // If the app supports runtime permissions no need for a review. 8919 if (Build.PERMISSIONS_REVIEW_REQUIRED 8920 && appSupportsRuntimePermissions 8921 && (flags & PackageManager 8922 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 8923 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 8924 // Since we changed the flags, we have to write. 8925 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8926 changedRuntimePermissionUserIds, userId); 8927 } 8928 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 8929 && !appSupportsRuntimePermissions) { 8930 // For legacy apps that need a permission review, every new 8931 // runtime permission is granted but it is pending a review. 8932 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 8933 permissionsState.grantRuntimePermission(bp, userId); 8934 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 8935 // We changed the permission and flags, hence have to write. 8936 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8937 changedRuntimePermissionUserIds, userId); 8938 } 8939 } 8940 // Propagate the permission flags. 8941 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8942 } 8943 } break; 8944 8945 case GRANT_UPGRADE: { 8946 // Grant runtime permissions for a previously held install permission. 8947 PermissionState permissionState = origPermissions 8948 .getInstallPermissionState(bp.name); 8949 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8950 8951 if (origPermissions.revokeInstallPermission(bp) 8952 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8953 // We will be transferring the permission flags, so clear them. 8954 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8955 PackageManager.MASK_PERMISSION_FLAGS, 0); 8956 changedInstallPermission = true; 8957 } 8958 8959 // If the permission is not to be promoted to runtime we ignore it and 8960 // also its other flags as they are not applicable to install permissions. 8961 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8962 for (int userId : currentUserIds) { 8963 if (permissionsState.grantRuntimePermission(bp, userId) != 8964 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8965 // Transfer the permission flags. 8966 permissionsState.updatePermissionFlags(bp, userId, 8967 flags, flags); 8968 // If we granted the permission, we have to write. 8969 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8970 changedRuntimePermissionUserIds, userId); 8971 } 8972 } 8973 } 8974 } break; 8975 8976 default: { 8977 if (packageOfInterest == null 8978 || packageOfInterest.equals(pkg.packageName)) { 8979 Slog.w(TAG, "Not granting permission " + perm 8980 + " to package " + pkg.packageName 8981 + " because it was previously installed without"); 8982 } 8983 } break; 8984 } 8985 } else { 8986 if (permissionsState.revokeInstallPermission(bp) != 8987 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8988 // Also drop the permission flags. 8989 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8990 PackageManager.MASK_PERMISSION_FLAGS, 0); 8991 changedInstallPermission = true; 8992 Slog.i(TAG, "Un-granting permission " + perm 8993 + " from package " + pkg.packageName 8994 + " (protectionLevel=" + bp.protectionLevel 8995 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8996 + ")"); 8997 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8998 // Don't print warning for app op permissions, since it is fine for them 8999 // not to be granted, there is a UI for the user to decide. 9000 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9001 Slog.w(TAG, "Not granting permission " + perm 9002 + " to package " + pkg.packageName 9003 + " (protectionLevel=" + bp.protectionLevel 9004 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9005 + ")"); 9006 } 9007 } 9008 } 9009 } 9010 9011 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9012 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9013 // This is the first that we have heard about this package, so the 9014 // permissions we have now selected are fixed until explicitly 9015 // changed. 9016 ps.installPermissionsFixed = true; 9017 } 9018 9019 // Persist the runtime permissions state for users with changes. If permissions 9020 // were revoked because no app in the shared user declares them we have to 9021 // write synchronously to avoid losing runtime permissions state. 9022 for (int userId : changedRuntimePermissionUserIds) { 9023 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9024 } 9025 9026 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9027 } 9028 9029 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9030 boolean allowed = false; 9031 final int NP = PackageParser.NEW_PERMISSIONS.length; 9032 for (int ip=0; ip<NP; ip++) { 9033 final PackageParser.NewPermissionInfo npi 9034 = PackageParser.NEW_PERMISSIONS[ip]; 9035 if (npi.name.equals(perm) 9036 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9037 allowed = true; 9038 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9039 + pkg.packageName); 9040 break; 9041 } 9042 } 9043 return allowed; 9044 } 9045 9046 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9047 BasePermission bp, PermissionsState origPermissions) { 9048 boolean allowed; 9049 allowed = (compareSignatures( 9050 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9051 == PackageManager.SIGNATURE_MATCH) 9052 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9053 == PackageManager.SIGNATURE_MATCH); 9054 if (!allowed && (bp.protectionLevel 9055 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9056 if (isSystemApp(pkg)) { 9057 // For updated system applications, a system permission 9058 // is granted only if it had been defined by the original application. 9059 if (pkg.isUpdatedSystemApp()) { 9060 final PackageSetting sysPs = mSettings 9061 .getDisabledSystemPkgLPr(pkg.packageName); 9062 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 9063 // If the original was granted this permission, we take 9064 // that grant decision as read and propagate it to the 9065 // update. 9066 if (sysPs.isPrivileged()) { 9067 allowed = true; 9068 } 9069 } else { 9070 // The system apk may have been updated with an older 9071 // version of the one on the data partition, but which 9072 // granted a new system permission that it didn't have 9073 // before. In this case we do want to allow the app to 9074 // now get the new permission if the ancestral apk is 9075 // privileged to get it. 9076 if (sysPs.pkg != null && sysPs.isPrivileged()) { 9077 for (int j=0; 9078 j<sysPs.pkg.requestedPermissions.size(); j++) { 9079 if (perm.equals( 9080 sysPs.pkg.requestedPermissions.get(j))) { 9081 allowed = true; 9082 break; 9083 } 9084 } 9085 } 9086 } 9087 } else { 9088 allowed = isPrivilegedApp(pkg); 9089 } 9090 } 9091 } 9092 if (!allowed) { 9093 if (!allowed && (bp.protectionLevel 9094 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9095 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9096 // If this was a previously normal/dangerous permission that got moved 9097 // to a system permission as part of the runtime permission redesign, then 9098 // we still want to blindly grant it to old apps. 9099 allowed = true; 9100 } 9101 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9102 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9103 // If this permission is to be granted to the system installer and 9104 // this app is an installer, then it gets the permission. 9105 allowed = true; 9106 } 9107 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9108 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9109 // If this permission is to be granted to the system verifier and 9110 // this app is a verifier, then it gets the permission. 9111 allowed = true; 9112 } 9113 if (!allowed && (bp.protectionLevel 9114 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9115 && isSystemApp(pkg)) { 9116 // Any pre-installed system app is allowed to get this permission. 9117 allowed = true; 9118 } 9119 if (!allowed && (bp.protectionLevel 9120 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9121 // For development permissions, a development permission 9122 // is granted only if it was already granted. 9123 allowed = origPermissions.hasInstallPermission(perm); 9124 } 9125 } 9126 return allowed; 9127 } 9128 9129 final class ActivityIntentResolver 9130 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9131 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9132 boolean defaultOnly, int userId) { 9133 if (!sUserManager.exists(userId)) return null; 9134 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9135 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9136 } 9137 9138 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9139 int userId) { 9140 if (!sUserManager.exists(userId)) return null; 9141 mFlags = flags; 9142 return super.queryIntent(intent, resolvedType, 9143 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9144 } 9145 9146 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9147 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9148 if (!sUserManager.exists(userId)) return null; 9149 if (packageActivities == null) { 9150 return null; 9151 } 9152 mFlags = flags; 9153 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9154 final int N = packageActivities.size(); 9155 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9156 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9157 9158 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9159 for (int i = 0; i < N; ++i) { 9160 intentFilters = packageActivities.get(i).intents; 9161 if (intentFilters != null && intentFilters.size() > 0) { 9162 PackageParser.ActivityIntentInfo[] array = 9163 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9164 intentFilters.toArray(array); 9165 listCut.add(array); 9166 } 9167 } 9168 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9169 } 9170 9171 public final void addActivity(PackageParser.Activity a, String type) { 9172 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9173 mActivities.put(a.getComponentName(), a); 9174 if (DEBUG_SHOW_INFO) 9175 Log.v( 9176 TAG, " " + type + " " + 9177 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9178 if (DEBUG_SHOW_INFO) 9179 Log.v(TAG, " Class=" + a.info.name); 9180 final int NI = a.intents.size(); 9181 for (int j=0; j<NI; j++) { 9182 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9183 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9184 intent.setPriority(0); 9185 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9186 + a.className + " with priority > 0, forcing to 0"); 9187 } 9188 if (DEBUG_SHOW_INFO) { 9189 Log.v(TAG, " IntentFilter:"); 9190 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9191 } 9192 if (!intent.debugCheck()) { 9193 Log.w(TAG, "==> For Activity " + a.info.name); 9194 } 9195 addFilter(intent); 9196 } 9197 } 9198 9199 public final void removeActivity(PackageParser.Activity a, String type) { 9200 mActivities.remove(a.getComponentName()); 9201 if (DEBUG_SHOW_INFO) { 9202 Log.v(TAG, " " + type + " " 9203 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9204 : a.info.name) + ":"); 9205 Log.v(TAG, " Class=" + a.info.name); 9206 } 9207 final int NI = a.intents.size(); 9208 for (int j=0; j<NI; j++) { 9209 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9210 if (DEBUG_SHOW_INFO) { 9211 Log.v(TAG, " IntentFilter:"); 9212 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9213 } 9214 removeFilter(intent); 9215 } 9216 } 9217 9218 @Override 9219 protected boolean allowFilterResult( 9220 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9221 ActivityInfo filterAi = filter.activity.info; 9222 for (int i=dest.size()-1; i>=0; i--) { 9223 ActivityInfo destAi = dest.get(i).activityInfo; 9224 if (destAi.name == filterAi.name 9225 && destAi.packageName == filterAi.packageName) { 9226 return false; 9227 } 9228 } 9229 return true; 9230 } 9231 9232 @Override 9233 protected ActivityIntentInfo[] newArray(int size) { 9234 return new ActivityIntentInfo[size]; 9235 } 9236 9237 @Override 9238 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9239 if (!sUserManager.exists(userId)) return true; 9240 PackageParser.Package p = filter.activity.owner; 9241 if (p != null) { 9242 PackageSetting ps = (PackageSetting)p.mExtras; 9243 if (ps != null) { 9244 // System apps are never considered stopped for purposes of 9245 // filtering, because there may be no way for the user to 9246 // actually re-launch them. 9247 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9248 && ps.getStopped(userId); 9249 } 9250 } 9251 return false; 9252 } 9253 9254 @Override 9255 protected boolean isPackageForFilter(String packageName, 9256 PackageParser.ActivityIntentInfo info) { 9257 return packageName.equals(info.activity.owner.packageName); 9258 } 9259 9260 @Override 9261 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9262 int match, int userId) { 9263 if (!sUserManager.exists(userId)) return null; 9264 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9265 return null; 9266 } 9267 final PackageParser.Activity activity = info.activity; 9268 if (mSafeMode && (activity.info.applicationInfo.flags 9269 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9270 return null; 9271 } 9272 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9273 if (ps == null) { 9274 return null; 9275 } 9276 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9277 ps.readUserState(userId), userId); 9278 if (ai == null) { 9279 return null; 9280 } 9281 final ResolveInfo res = new ResolveInfo(); 9282 res.activityInfo = ai; 9283 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9284 res.filter = info; 9285 } 9286 if (info != null) { 9287 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9288 } 9289 res.priority = info.getPriority(); 9290 res.preferredOrder = activity.owner.mPreferredOrder; 9291 //System.out.println("Result: " + res.activityInfo.className + 9292 // " = " + res.priority); 9293 res.match = match; 9294 res.isDefault = info.hasDefault; 9295 res.labelRes = info.labelRes; 9296 res.nonLocalizedLabel = info.nonLocalizedLabel; 9297 if (userNeedsBadging(userId)) { 9298 res.noResourceId = true; 9299 } else { 9300 res.icon = info.icon; 9301 } 9302 res.iconResourceId = info.icon; 9303 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9304 return res; 9305 } 9306 9307 @Override 9308 protected void sortResults(List<ResolveInfo> results) { 9309 Collections.sort(results, mResolvePrioritySorter); 9310 } 9311 9312 @Override 9313 protected void dumpFilter(PrintWriter out, String prefix, 9314 PackageParser.ActivityIntentInfo filter) { 9315 out.print(prefix); out.print( 9316 Integer.toHexString(System.identityHashCode(filter.activity))); 9317 out.print(' '); 9318 filter.activity.printComponentShortName(out); 9319 out.print(" filter "); 9320 out.println(Integer.toHexString(System.identityHashCode(filter))); 9321 } 9322 9323 @Override 9324 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9325 return filter.activity; 9326 } 9327 9328 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9329 PackageParser.Activity activity = (PackageParser.Activity)label; 9330 out.print(prefix); out.print( 9331 Integer.toHexString(System.identityHashCode(activity))); 9332 out.print(' '); 9333 activity.printComponentShortName(out); 9334 if (count > 1) { 9335 out.print(" ("); out.print(count); out.print(" filters)"); 9336 } 9337 out.println(); 9338 } 9339 9340// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9341// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9342// final List<ResolveInfo> retList = Lists.newArrayList(); 9343// while (i.hasNext()) { 9344// final ResolveInfo resolveInfo = i.next(); 9345// if (isEnabledLP(resolveInfo.activityInfo)) { 9346// retList.add(resolveInfo); 9347// } 9348// } 9349// return retList; 9350// } 9351 9352 // Keys are String (activity class name), values are Activity. 9353 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9354 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9355 private int mFlags; 9356 } 9357 9358 private final class ServiceIntentResolver 9359 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9360 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9361 boolean defaultOnly, int userId) { 9362 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9363 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9364 } 9365 9366 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9367 int userId) { 9368 if (!sUserManager.exists(userId)) return null; 9369 mFlags = flags; 9370 return super.queryIntent(intent, resolvedType, 9371 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9372 } 9373 9374 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9375 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9376 if (!sUserManager.exists(userId)) return null; 9377 if (packageServices == null) { 9378 return null; 9379 } 9380 mFlags = flags; 9381 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9382 final int N = packageServices.size(); 9383 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9384 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9385 9386 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9387 for (int i = 0; i < N; ++i) { 9388 intentFilters = packageServices.get(i).intents; 9389 if (intentFilters != null && intentFilters.size() > 0) { 9390 PackageParser.ServiceIntentInfo[] array = 9391 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9392 intentFilters.toArray(array); 9393 listCut.add(array); 9394 } 9395 } 9396 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9397 } 9398 9399 public final void addService(PackageParser.Service s) { 9400 mServices.put(s.getComponentName(), s); 9401 if (DEBUG_SHOW_INFO) { 9402 Log.v(TAG, " " 9403 + (s.info.nonLocalizedLabel != null 9404 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9405 Log.v(TAG, " Class=" + s.info.name); 9406 } 9407 final int NI = s.intents.size(); 9408 int j; 9409 for (j=0; j<NI; j++) { 9410 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9411 if (DEBUG_SHOW_INFO) { 9412 Log.v(TAG, " IntentFilter:"); 9413 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9414 } 9415 if (!intent.debugCheck()) { 9416 Log.w(TAG, "==> For Service " + s.info.name); 9417 } 9418 addFilter(intent); 9419 } 9420 } 9421 9422 public final void removeService(PackageParser.Service s) { 9423 mServices.remove(s.getComponentName()); 9424 if (DEBUG_SHOW_INFO) { 9425 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9426 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9427 Log.v(TAG, " Class=" + s.info.name); 9428 } 9429 final int NI = s.intents.size(); 9430 int j; 9431 for (j=0; j<NI; j++) { 9432 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9433 if (DEBUG_SHOW_INFO) { 9434 Log.v(TAG, " IntentFilter:"); 9435 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9436 } 9437 removeFilter(intent); 9438 } 9439 } 9440 9441 @Override 9442 protected boolean allowFilterResult( 9443 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9444 ServiceInfo filterSi = filter.service.info; 9445 for (int i=dest.size()-1; i>=0; i--) { 9446 ServiceInfo destAi = dest.get(i).serviceInfo; 9447 if (destAi.name == filterSi.name 9448 && destAi.packageName == filterSi.packageName) { 9449 return false; 9450 } 9451 } 9452 return true; 9453 } 9454 9455 @Override 9456 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9457 return new PackageParser.ServiceIntentInfo[size]; 9458 } 9459 9460 @Override 9461 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9462 if (!sUserManager.exists(userId)) return true; 9463 PackageParser.Package p = filter.service.owner; 9464 if (p != null) { 9465 PackageSetting ps = (PackageSetting)p.mExtras; 9466 if (ps != null) { 9467 // System apps are never considered stopped for purposes of 9468 // filtering, because there may be no way for the user to 9469 // actually re-launch them. 9470 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9471 && ps.getStopped(userId); 9472 } 9473 } 9474 return false; 9475 } 9476 9477 @Override 9478 protected boolean isPackageForFilter(String packageName, 9479 PackageParser.ServiceIntentInfo info) { 9480 return packageName.equals(info.service.owner.packageName); 9481 } 9482 9483 @Override 9484 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9485 int match, int userId) { 9486 if (!sUserManager.exists(userId)) return null; 9487 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9488 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 9489 return null; 9490 } 9491 final PackageParser.Service service = info.service; 9492 if (mSafeMode && (service.info.applicationInfo.flags 9493 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9494 return null; 9495 } 9496 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9497 if (ps == null) { 9498 return null; 9499 } 9500 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9501 ps.readUserState(userId), userId); 9502 if (si == null) { 9503 return null; 9504 } 9505 final ResolveInfo res = new ResolveInfo(); 9506 res.serviceInfo = si; 9507 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9508 res.filter = filter; 9509 } 9510 res.priority = info.getPriority(); 9511 res.preferredOrder = service.owner.mPreferredOrder; 9512 res.match = match; 9513 res.isDefault = info.hasDefault; 9514 res.labelRes = info.labelRes; 9515 res.nonLocalizedLabel = info.nonLocalizedLabel; 9516 res.icon = info.icon; 9517 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9518 return res; 9519 } 9520 9521 @Override 9522 protected void sortResults(List<ResolveInfo> results) { 9523 Collections.sort(results, mResolvePrioritySorter); 9524 } 9525 9526 @Override 9527 protected void dumpFilter(PrintWriter out, String prefix, 9528 PackageParser.ServiceIntentInfo filter) { 9529 out.print(prefix); out.print( 9530 Integer.toHexString(System.identityHashCode(filter.service))); 9531 out.print(' '); 9532 filter.service.printComponentShortName(out); 9533 out.print(" filter "); 9534 out.println(Integer.toHexString(System.identityHashCode(filter))); 9535 } 9536 9537 @Override 9538 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9539 return filter.service; 9540 } 9541 9542 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9543 PackageParser.Service service = (PackageParser.Service)label; 9544 out.print(prefix); out.print( 9545 Integer.toHexString(System.identityHashCode(service))); 9546 out.print(' '); 9547 service.printComponentShortName(out); 9548 if (count > 1) { 9549 out.print(" ("); out.print(count); out.print(" filters)"); 9550 } 9551 out.println(); 9552 } 9553 9554// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9555// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9556// final List<ResolveInfo> retList = Lists.newArrayList(); 9557// while (i.hasNext()) { 9558// final ResolveInfo resolveInfo = (ResolveInfo) i; 9559// if (isEnabledLP(resolveInfo.serviceInfo)) { 9560// retList.add(resolveInfo); 9561// } 9562// } 9563// return retList; 9564// } 9565 9566 // Keys are String (activity class name), values are Activity. 9567 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9568 = new ArrayMap<ComponentName, PackageParser.Service>(); 9569 private int mFlags; 9570 }; 9571 9572 private final class ProviderIntentResolver 9573 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9574 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9575 boolean defaultOnly, int userId) { 9576 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9577 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9578 } 9579 9580 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9581 int userId) { 9582 if (!sUserManager.exists(userId)) 9583 return null; 9584 mFlags = flags; 9585 return super.queryIntent(intent, resolvedType, 9586 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9587 } 9588 9589 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9590 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9591 if (!sUserManager.exists(userId)) 9592 return null; 9593 if (packageProviders == null) { 9594 return null; 9595 } 9596 mFlags = flags; 9597 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9598 final int N = packageProviders.size(); 9599 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9600 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9601 9602 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9603 for (int i = 0; i < N; ++i) { 9604 intentFilters = packageProviders.get(i).intents; 9605 if (intentFilters != null && intentFilters.size() > 0) { 9606 PackageParser.ProviderIntentInfo[] array = 9607 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9608 intentFilters.toArray(array); 9609 listCut.add(array); 9610 } 9611 } 9612 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9613 } 9614 9615 public final void addProvider(PackageParser.Provider p) { 9616 if (mProviders.containsKey(p.getComponentName())) { 9617 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9618 return; 9619 } 9620 9621 mProviders.put(p.getComponentName(), p); 9622 if (DEBUG_SHOW_INFO) { 9623 Log.v(TAG, " " 9624 + (p.info.nonLocalizedLabel != null 9625 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9626 Log.v(TAG, " Class=" + p.info.name); 9627 } 9628 final int NI = p.intents.size(); 9629 int j; 9630 for (j = 0; j < NI; j++) { 9631 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9632 if (DEBUG_SHOW_INFO) { 9633 Log.v(TAG, " IntentFilter:"); 9634 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9635 } 9636 if (!intent.debugCheck()) { 9637 Log.w(TAG, "==> For Provider " + p.info.name); 9638 } 9639 addFilter(intent); 9640 } 9641 } 9642 9643 public final void removeProvider(PackageParser.Provider p) { 9644 mProviders.remove(p.getComponentName()); 9645 if (DEBUG_SHOW_INFO) { 9646 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9647 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9648 Log.v(TAG, " Class=" + p.info.name); 9649 } 9650 final int NI = p.intents.size(); 9651 int j; 9652 for (j = 0; j < NI; j++) { 9653 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9654 if (DEBUG_SHOW_INFO) { 9655 Log.v(TAG, " IntentFilter:"); 9656 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9657 } 9658 removeFilter(intent); 9659 } 9660 } 9661 9662 @Override 9663 protected boolean allowFilterResult( 9664 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9665 ProviderInfo filterPi = filter.provider.info; 9666 for (int i = dest.size() - 1; i >= 0; i--) { 9667 ProviderInfo destPi = dest.get(i).providerInfo; 9668 if (destPi.name == filterPi.name 9669 && destPi.packageName == filterPi.packageName) { 9670 return false; 9671 } 9672 } 9673 return true; 9674 } 9675 9676 @Override 9677 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9678 return new PackageParser.ProviderIntentInfo[size]; 9679 } 9680 9681 @Override 9682 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9683 if (!sUserManager.exists(userId)) 9684 return true; 9685 PackageParser.Package p = filter.provider.owner; 9686 if (p != null) { 9687 PackageSetting ps = (PackageSetting) p.mExtras; 9688 if (ps != null) { 9689 // System apps are never considered stopped for purposes of 9690 // filtering, because there may be no way for the user to 9691 // actually re-launch them. 9692 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9693 && ps.getStopped(userId); 9694 } 9695 } 9696 return false; 9697 } 9698 9699 @Override 9700 protected boolean isPackageForFilter(String packageName, 9701 PackageParser.ProviderIntentInfo info) { 9702 return packageName.equals(info.provider.owner.packageName); 9703 } 9704 9705 @Override 9706 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9707 int match, int userId) { 9708 if (!sUserManager.exists(userId)) 9709 return null; 9710 final PackageParser.ProviderIntentInfo info = filter; 9711 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 9712 return null; 9713 } 9714 final PackageParser.Provider provider = info.provider; 9715 if (mSafeMode && (provider.info.applicationInfo.flags 9716 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9717 return null; 9718 } 9719 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9720 if (ps == null) { 9721 return null; 9722 } 9723 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9724 ps.readUserState(userId), userId); 9725 if (pi == null) { 9726 return null; 9727 } 9728 final ResolveInfo res = new ResolveInfo(); 9729 res.providerInfo = pi; 9730 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9731 res.filter = filter; 9732 } 9733 res.priority = info.getPriority(); 9734 res.preferredOrder = provider.owner.mPreferredOrder; 9735 res.match = match; 9736 res.isDefault = info.hasDefault; 9737 res.labelRes = info.labelRes; 9738 res.nonLocalizedLabel = info.nonLocalizedLabel; 9739 res.icon = info.icon; 9740 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9741 return res; 9742 } 9743 9744 @Override 9745 protected void sortResults(List<ResolveInfo> results) { 9746 Collections.sort(results, mResolvePrioritySorter); 9747 } 9748 9749 @Override 9750 protected void dumpFilter(PrintWriter out, String prefix, 9751 PackageParser.ProviderIntentInfo filter) { 9752 out.print(prefix); 9753 out.print( 9754 Integer.toHexString(System.identityHashCode(filter.provider))); 9755 out.print(' '); 9756 filter.provider.printComponentShortName(out); 9757 out.print(" filter "); 9758 out.println(Integer.toHexString(System.identityHashCode(filter))); 9759 } 9760 9761 @Override 9762 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9763 return filter.provider; 9764 } 9765 9766 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9767 PackageParser.Provider provider = (PackageParser.Provider)label; 9768 out.print(prefix); out.print( 9769 Integer.toHexString(System.identityHashCode(provider))); 9770 out.print(' '); 9771 provider.printComponentShortName(out); 9772 if (count > 1) { 9773 out.print(" ("); out.print(count); out.print(" filters)"); 9774 } 9775 out.println(); 9776 } 9777 9778 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9779 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9780 private int mFlags; 9781 } 9782 9783 private static final class EphemeralIntentResolver 9784 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 9785 @Override 9786 protected EphemeralResolveIntentInfo[] newArray(int size) { 9787 return new EphemeralResolveIntentInfo[size]; 9788 } 9789 9790 @Override 9791 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 9792 return true; 9793 } 9794 9795 @Override 9796 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 9797 int userId) { 9798 if (!sUserManager.exists(userId)) { 9799 return null; 9800 } 9801 return info.getEphemeralResolveInfo(); 9802 } 9803 } 9804 9805 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9806 new Comparator<ResolveInfo>() { 9807 public int compare(ResolveInfo r1, ResolveInfo r2) { 9808 int v1 = r1.priority; 9809 int v2 = r2.priority; 9810 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9811 if (v1 != v2) { 9812 return (v1 > v2) ? -1 : 1; 9813 } 9814 v1 = r1.preferredOrder; 9815 v2 = r2.preferredOrder; 9816 if (v1 != v2) { 9817 return (v1 > v2) ? -1 : 1; 9818 } 9819 if (r1.isDefault != r2.isDefault) { 9820 return r1.isDefault ? -1 : 1; 9821 } 9822 v1 = r1.match; 9823 v2 = r2.match; 9824 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9825 if (v1 != v2) { 9826 return (v1 > v2) ? -1 : 1; 9827 } 9828 if (r1.system != r2.system) { 9829 return r1.system ? -1 : 1; 9830 } 9831 if (r1.activityInfo != null) { 9832 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 9833 } 9834 if (r1.serviceInfo != null) { 9835 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 9836 } 9837 if (r1.providerInfo != null) { 9838 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 9839 } 9840 return 0; 9841 } 9842 }; 9843 9844 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9845 new Comparator<ProviderInfo>() { 9846 public int compare(ProviderInfo p1, ProviderInfo p2) { 9847 final int v1 = p1.initOrder; 9848 final int v2 = p2.initOrder; 9849 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9850 } 9851 }; 9852 9853 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 9854 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 9855 final int[] userIds) { 9856 mHandler.post(new Runnable() { 9857 @Override 9858 public void run() { 9859 try { 9860 final IActivityManager am = ActivityManagerNative.getDefault(); 9861 if (am == null) return; 9862 final int[] resolvedUserIds; 9863 if (userIds == null) { 9864 resolvedUserIds = am.getRunningUserIds(); 9865 } else { 9866 resolvedUserIds = userIds; 9867 } 9868 for (int id : resolvedUserIds) { 9869 final Intent intent = new Intent(action, 9870 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9871 if (extras != null) { 9872 intent.putExtras(extras); 9873 } 9874 if (targetPkg != null) { 9875 intent.setPackage(targetPkg); 9876 } 9877 // Modify the UID when posting to other users 9878 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9879 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9880 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9881 intent.putExtra(Intent.EXTRA_UID, uid); 9882 } 9883 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9884 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 9885 if (DEBUG_BROADCASTS) { 9886 RuntimeException here = new RuntimeException("here"); 9887 here.fillInStackTrace(); 9888 Slog.d(TAG, "Sending to user " + id + ": " 9889 + intent.toShortString(false, true, false, false) 9890 + " " + intent.getExtras(), here); 9891 } 9892 am.broadcastIntent(null, intent, null, finishedReceiver, 9893 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9894 null, finishedReceiver != null, false, id); 9895 } 9896 } catch (RemoteException ex) { 9897 } 9898 } 9899 }); 9900 } 9901 9902 /** 9903 * Check if the external storage media is available. This is true if there 9904 * is a mounted external storage medium or if the external storage is 9905 * emulated. 9906 */ 9907 private boolean isExternalMediaAvailable() { 9908 return mMediaMounted || Environment.isExternalStorageEmulated(); 9909 } 9910 9911 @Override 9912 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9913 // writer 9914 synchronized (mPackages) { 9915 if (!isExternalMediaAvailable()) { 9916 // If the external storage is no longer mounted at this point, 9917 // the caller may not have been able to delete all of this 9918 // packages files and can not delete any more. Bail. 9919 return null; 9920 } 9921 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9922 if (lastPackage != null) { 9923 pkgs.remove(lastPackage); 9924 } 9925 if (pkgs.size() > 0) { 9926 return pkgs.get(0); 9927 } 9928 } 9929 return null; 9930 } 9931 9932 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9933 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9934 userId, andCode ? 1 : 0, packageName); 9935 if (mSystemReady) { 9936 msg.sendToTarget(); 9937 } else { 9938 if (mPostSystemReadyMessages == null) { 9939 mPostSystemReadyMessages = new ArrayList<>(); 9940 } 9941 mPostSystemReadyMessages.add(msg); 9942 } 9943 } 9944 9945 void startCleaningPackages() { 9946 // reader 9947 synchronized (mPackages) { 9948 if (!isExternalMediaAvailable()) { 9949 return; 9950 } 9951 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9952 return; 9953 } 9954 } 9955 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9956 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9957 IActivityManager am = ActivityManagerNative.getDefault(); 9958 if (am != null) { 9959 try { 9960 am.startService(null, intent, null, mContext.getOpPackageName(), 9961 UserHandle.USER_SYSTEM); 9962 } catch (RemoteException e) { 9963 } 9964 } 9965 } 9966 9967 @Override 9968 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9969 int installFlags, String installerPackageName, VerificationParams verificationParams, 9970 String packageAbiOverride) { 9971 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9972 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9973 } 9974 9975 @Override 9976 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9977 int installFlags, String installerPackageName, VerificationParams verificationParams, 9978 String packageAbiOverride, int userId) { 9979 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9980 9981 final int callingUid = Binder.getCallingUid(); 9982 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9983 9984 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9985 try { 9986 if (observer != null) { 9987 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9988 } 9989 } catch (RemoteException re) { 9990 } 9991 return; 9992 } 9993 9994 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9995 installFlags |= PackageManager.INSTALL_FROM_ADB; 9996 9997 } else { 9998 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9999 // about installerPackageName. 10000 10001 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10002 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10003 } 10004 10005 UserHandle user; 10006 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10007 user = UserHandle.ALL; 10008 } else { 10009 user = new UserHandle(userId); 10010 } 10011 10012 // Only system components can circumvent runtime permissions when installing. 10013 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10014 && mContext.checkCallingOrSelfPermission(Manifest.permission 10015 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10016 throw new SecurityException("You need the " 10017 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10018 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10019 } 10020 10021 verificationParams.setInstallerUid(callingUid); 10022 10023 final File originFile = new File(originPath); 10024 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10025 10026 final Message msg = mHandler.obtainMessage(INIT_COPY); 10027 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 10028 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 10029 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10030 msg.obj = params; 10031 10032 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10033 System.identityHashCode(msg.obj)); 10034 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10035 System.identityHashCode(msg.obj)); 10036 10037 mHandler.sendMessage(msg); 10038 } 10039 10040 void installStage(String packageName, File stagedDir, String stagedCid, 10041 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10042 String installerPackageName, int installerUid, UserHandle user) { 10043 if (DEBUG_EPHEMERAL) { 10044 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10045 Slog.d(TAG, "Ephemeral install of " + packageName); 10046 } 10047 } 10048 final VerificationParams verifParams = new VerificationParams( 10049 null, sessionParams.originatingUri, sessionParams.referrerUri, 10050 sessionParams.originatingUid); 10051 verifParams.setInstallerUid(installerUid); 10052 10053 final OriginInfo origin; 10054 if (stagedDir != null) { 10055 origin = OriginInfo.fromStagedFile(stagedDir); 10056 } else { 10057 origin = OriginInfo.fromStagedContainer(stagedCid); 10058 } 10059 10060 final Message msg = mHandler.obtainMessage(INIT_COPY); 10061 final InstallParams params = new InstallParams(origin, null, observer, 10062 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10063 verifParams, user, sessionParams.abiOverride, 10064 sessionParams.grantedRuntimePermissions); 10065 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10066 msg.obj = params; 10067 10068 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10069 System.identityHashCode(msg.obj)); 10070 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10071 System.identityHashCode(msg.obj)); 10072 10073 mHandler.sendMessage(msg); 10074 } 10075 10076 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 10077 Bundle extras = new Bundle(1); 10078 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 10079 10080 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10081 packageName, extras, 0, null, null, new int[] {userId}); 10082 try { 10083 IActivityManager am = ActivityManagerNative.getDefault(); 10084 final boolean isSystem = 10085 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10086 if (isSystem && am.isUserRunning(userId, 0)) { 10087 // The just-installed/enabled app is bundled on the system, so presumed 10088 // to be able to run automatically without needing an explicit launch. 10089 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10090 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10091 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10092 .setPackage(packageName); 10093 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10094 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10095 } 10096 } catch (RemoteException e) { 10097 // shouldn't happen 10098 Slog.w(TAG, "Unable to bootstrap installed package", e); 10099 } 10100 } 10101 10102 @Override 10103 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10104 int userId) { 10105 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10106 PackageSetting pkgSetting; 10107 final int uid = Binder.getCallingUid(); 10108 enforceCrossUserPermission(uid, userId, true, true, 10109 "setApplicationHiddenSetting for user " + userId); 10110 10111 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10112 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10113 return false; 10114 } 10115 10116 long callingId = Binder.clearCallingIdentity(); 10117 try { 10118 boolean sendAdded = false; 10119 boolean sendRemoved = false; 10120 // writer 10121 synchronized (mPackages) { 10122 pkgSetting = mSettings.mPackages.get(packageName); 10123 if (pkgSetting == null) { 10124 return false; 10125 } 10126 if (pkgSetting.getHidden(userId) != hidden) { 10127 pkgSetting.setHidden(hidden, userId); 10128 mSettings.writePackageRestrictionsLPr(userId); 10129 if (hidden) { 10130 sendRemoved = true; 10131 } else { 10132 sendAdded = true; 10133 } 10134 } 10135 } 10136 if (sendAdded) { 10137 sendPackageAddedForUser(packageName, pkgSetting, userId); 10138 return true; 10139 } 10140 if (sendRemoved) { 10141 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10142 "hiding pkg"); 10143 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10144 return true; 10145 } 10146 } finally { 10147 Binder.restoreCallingIdentity(callingId); 10148 } 10149 return false; 10150 } 10151 10152 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10153 int userId) { 10154 final PackageRemovedInfo info = new PackageRemovedInfo(); 10155 info.removedPackage = packageName; 10156 info.removedUsers = new int[] {userId}; 10157 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10158 info.sendBroadcast(false, false, false); 10159 } 10160 10161 /** 10162 * Returns true if application is not found or there was an error. Otherwise it returns 10163 * the hidden state of the package for the given user. 10164 */ 10165 @Override 10166 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10167 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10168 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 10169 false, "getApplicationHidden for user " + userId); 10170 PackageSetting pkgSetting; 10171 long callingId = Binder.clearCallingIdentity(); 10172 try { 10173 // writer 10174 synchronized (mPackages) { 10175 pkgSetting = mSettings.mPackages.get(packageName); 10176 if (pkgSetting == null) { 10177 return true; 10178 } 10179 return pkgSetting.getHidden(userId); 10180 } 10181 } finally { 10182 Binder.restoreCallingIdentity(callingId); 10183 } 10184 } 10185 10186 /** 10187 * @hide 10188 */ 10189 @Override 10190 public int installExistingPackageAsUser(String packageName, int userId) { 10191 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10192 null); 10193 PackageSetting pkgSetting; 10194 final int uid = Binder.getCallingUid(); 10195 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 10196 + userId); 10197 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10198 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10199 } 10200 10201 long callingId = Binder.clearCallingIdentity(); 10202 try { 10203 boolean sendAdded = false; 10204 10205 // writer 10206 synchronized (mPackages) { 10207 pkgSetting = mSettings.mPackages.get(packageName); 10208 if (pkgSetting == null) { 10209 return PackageManager.INSTALL_FAILED_INVALID_URI; 10210 } 10211 if (!pkgSetting.getInstalled(userId)) { 10212 pkgSetting.setInstalled(true, userId); 10213 pkgSetting.setHidden(false, userId); 10214 mSettings.writePackageRestrictionsLPr(userId); 10215 sendAdded = true; 10216 } 10217 } 10218 10219 if (sendAdded) { 10220 sendPackageAddedForUser(packageName, pkgSetting, userId); 10221 } 10222 } finally { 10223 Binder.restoreCallingIdentity(callingId); 10224 } 10225 10226 return PackageManager.INSTALL_SUCCEEDED; 10227 } 10228 10229 boolean isUserRestricted(int userId, String restrictionKey) { 10230 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10231 if (restrictions.getBoolean(restrictionKey, false)) { 10232 Log.w(TAG, "User is restricted: " + restrictionKey); 10233 return true; 10234 } 10235 return false; 10236 } 10237 10238 @Override 10239 public boolean setPackageSuspendedAsUser(String packageName, boolean suspended, int userId) { 10240 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10241 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, true, 10242 "setPackageSuspended for user " + userId); 10243 10244 long callingId = Binder.clearCallingIdentity(); 10245 try { 10246 synchronized (mPackages) { 10247 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10248 if (pkgSetting != null) { 10249 if (pkgSetting.getSuspended(userId) != suspended) { 10250 pkgSetting.setSuspended(suspended, userId); 10251 mSettings.writePackageRestrictionsLPr(userId); 10252 } 10253 10254 // TODO: 10255 // * broadcast a PACKAGE_(UN)SUSPENDED intent for launchers to pick up 10256 // * remove app from recents (kill app it if it is running) 10257 // * erase existing notifications for this app 10258 return true; 10259 } 10260 10261 return false; 10262 } 10263 } finally { 10264 Binder.restoreCallingIdentity(callingId); 10265 } 10266 } 10267 10268 @Override 10269 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10270 mContext.enforceCallingOrSelfPermission( 10271 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10272 "Only package verification agents can verify applications"); 10273 10274 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10275 final PackageVerificationResponse response = new PackageVerificationResponse( 10276 verificationCode, Binder.getCallingUid()); 10277 msg.arg1 = id; 10278 msg.obj = response; 10279 mHandler.sendMessage(msg); 10280 } 10281 10282 @Override 10283 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10284 long millisecondsToDelay) { 10285 mContext.enforceCallingOrSelfPermission( 10286 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10287 "Only package verification agents can extend verification timeouts"); 10288 10289 final PackageVerificationState state = mPendingVerification.get(id); 10290 final PackageVerificationResponse response = new PackageVerificationResponse( 10291 verificationCodeAtTimeout, Binder.getCallingUid()); 10292 10293 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10294 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10295 } 10296 if (millisecondsToDelay < 0) { 10297 millisecondsToDelay = 0; 10298 } 10299 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10300 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10301 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10302 } 10303 10304 if ((state != null) && !state.timeoutExtended()) { 10305 state.extendTimeout(); 10306 10307 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10308 msg.arg1 = id; 10309 msg.obj = response; 10310 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10311 } 10312 } 10313 10314 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10315 int verificationCode, UserHandle user) { 10316 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10317 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10318 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10319 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10320 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10321 10322 mContext.sendBroadcastAsUser(intent, user, 10323 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10324 } 10325 10326 private ComponentName matchComponentForVerifier(String packageName, 10327 List<ResolveInfo> receivers) { 10328 ActivityInfo targetReceiver = null; 10329 10330 final int NR = receivers.size(); 10331 for (int i = 0; i < NR; i++) { 10332 final ResolveInfo info = receivers.get(i); 10333 if (info.activityInfo == null) { 10334 continue; 10335 } 10336 10337 if (packageName.equals(info.activityInfo.packageName)) { 10338 targetReceiver = info.activityInfo; 10339 break; 10340 } 10341 } 10342 10343 if (targetReceiver == null) { 10344 return null; 10345 } 10346 10347 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10348 } 10349 10350 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10351 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10352 if (pkgInfo.verifiers.length == 0) { 10353 return null; 10354 } 10355 10356 final int N = pkgInfo.verifiers.length; 10357 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10358 for (int i = 0; i < N; i++) { 10359 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10360 10361 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10362 receivers); 10363 if (comp == null) { 10364 continue; 10365 } 10366 10367 final int verifierUid = getUidForVerifier(verifierInfo); 10368 if (verifierUid == -1) { 10369 continue; 10370 } 10371 10372 if (DEBUG_VERIFY) { 10373 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10374 + " with the correct signature"); 10375 } 10376 sufficientVerifiers.add(comp); 10377 verificationState.addSufficientVerifier(verifierUid); 10378 } 10379 10380 return sufficientVerifiers; 10381 } 10382 10383 private int getUidForVerifier(VerifierInfo verifierInfo) { 10384 synchronized (mPackages) { 10385 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10386 if (pkg == null) { 10387 return -1; 10388 } else if (pkg.mSignatures.length != 1) { 10389 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10390 + " has more than one signature; ignoring"); 10391 return -1; 10392 } 10393 10394 /* 10395 * If the public key of the package's signature does not match 10396 * our expected public key, then this is a different package and 10397 * we should skip. 10398 */ 10399 10400 final byte[] expectedPublicKey; 10401 try { 10402 final Signature verifierSig = pkg.mSignatures[0]; 10403 final PublicKey publicKey = verifierSig.getPublicKey(); 10404 expectedPublicKey = publicKey.getEncoded(); 10405 } catch (CertificateException e) { 10406 return -1; 10407 } 10408 10409 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10410 10411 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10412 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10413 + " does not have the expected public key; ignoring"); 10414 return -1; 10415 } 10416 10417 return pkg.applicationInfo.uid; 10418 } 10419 } 10420 10421 @Override 10422 public void finishPackageInstall(int token) { 10423 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10424 10425 if (DEBUG_INSTALL) { 10426 Slog.v(TAG, "BM finishing package install for " + token); 10427 } 10428 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10429 10430 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10431 mHandler.sendMessage(msg); 10432 } 10433 10434 /** 10435 * Get the verification agent timeout. 10436 * 10437 * @return verification timeout in milliseconds 10438 */ 10439 private long getVerificationTimeout() { 10440 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10441 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10442 DEFAULT_VERIFICATION_TIMEOUT); 10443 } 10444 10445 /** 10446 * Get the default verification agent response code. 10447 * 10448 * @return default verification response code 10449 */ 10450 private int getDefaultVerificationResponse() { 10451 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10452 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10453 DEFAULT_VERIFICATION_RESPONSE); 10454 } 10455 10456 /** 10457 * Check whether or not package verification has been enabled. 10458 * 10459 * @return true if verification should be performed 10460 */ 10461 private boolean isVerificationEnabled(int userId, int installFlags) { 10462 if (!DEFAULT_VERIFY_ENABLE) { 10463 return false; 10464 } 10465 // Ephemeral apps don't get the full verification treatment 10466 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10467 if (DEBUG_EPHEMERAL) { 10468 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 10469 } 10470 return false; 10471 } 10472 10473 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 10474 10475 // Check if installing from ADB 10476 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 10477 // Do not run verification in a test harness environment 10478 if (ActivityManager.isRunningInTestHarness()) { 10479 return false; 10480 } 10481 if (ensureVerifyAppsEnabled) { 10482 return true; 10483 } 10484 // Check if the developer does not want package verification for ADB installs 10485 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10486 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 10487 return false; 10488 } 10489 } 10490 10491 if (ensureVerifyAppsEnabled) { 10492 return true; 10493 } 10494 10495 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10496 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 10497 } 10498 10499 @Override 10500 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 10501 throws RemoteException { 10502 mContext.enforceCallingOrSelfPermission( 10503 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 10504 "Only intentfilter verification agents can verify applications"); 10505 10506 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 10507 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 10508 Binder.getCallingUid(), verificationCode, failedDomains); 10509 msg.arg1 = id; 10510 msg.obj = response; 10511 mHandler.sendMessage(msg); 10512 } 10513 10514 @Override 10515 public int getIntentVerificationStatus(String packageName, int userId) { 10516 synchronized (mPackages) { 10517 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 10518 } 10519 } 10520 10521 @Override 10522 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10523 mContext.enforceCallingOrSelfPermission( 10524 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10525 10526 boolean result = false; 10527 synchronized (mPackages) { 10528 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10529 } 10530 if (result) { 10531 scheduleWritePackageRestrictionsLocked(userId); 10532 } 10533 return result; 10534 } 10535 10536 @Override 10537 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10538 synchronized (mPackages) { 10539 return mSettings.getIntentFilterVerificationsLPr(packageName); 10540 } 10541 } 10542 10543 @Override 10544 public List<IntentFilter> getAllIntentFilters(String packageName) { 10545 if (TextUtils.isEmpty(packageName)) { 10546 return Collections.<IntentFilter>emptyList(); 10547 } 10548 synchronized (mPackages) { 10549 PackageParser.Package pkg = mPackages.get(packageName); 10550 if (pkg == null || pkg.activities == null) { 10551 return Collections.<IntentFilter>emptyList(); 10552 } 10553 final int count = pkg.activities.size(); 10554 ArrayList<IntentFilter> result = new ArrayList<>(); 10555 for (int n=0; n<count; n++) { 10556 PackageParser.Activity activity = pkg.activities.get(n); 10557 if (activity.intents != null && activity.intents.size() > 0) { 10558 result.addAll(activity.intents); 10559 } 10560 } 10561 return result; 10562 } 10563 } 10564 10565 @Override 10566 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10567 mContext.enforceCallingOrSelfPermission( 10568 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10569 10570 synchronized (mPackages) { 10571 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10572 if (packageName != null) { 10573 result |= updateIntentVerificationStatus(packageName, 10574 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10575 userId); 10576 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10577 packageName, userId); 10578 } 10579 return result; 10580 } 10581 } 10582 10583 @Override 10584 public String getDefaultBrowserPackageName(int userId) { 10585 synchronized (mPackages) { 10586 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10587 } 10588 } 10589 10590 /** 10591 * Get the "allow unknown sources" setting. 10592 * 10593 * @return the current "allow unknown sources" setting 10594 */ 10595 private int getUnknownSourcesSettings() { 10596 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10597 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10598 -1); 10599 } 10600 10601 @Override 10602 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10603 final int uid = Binder.getCallingUid(); 10604 // writer 10605 synchronized (mPackages) { 10606 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10607 if (targetPackageSetting == null) { 10608 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10609 } 10610 10611 PackageSetting installerPackageSetting; 10612 if (installerPackageName != null) { 10613 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10614 if (installerPackageSetting == null) { 10615 throw new IllegalArgumentException("Unknown installer package: " 10616 + installerPackageName); 10617 } 10618 } else { 10619 installerPackageSetting = null; 10620 } 10621 10622 Signature[] callerSignature; 10623 Object obj = mSettings.getUserIdLPr(uid); 10624 if (obj != null) { 10625 if (obj instanceof SharedUserSetting) { 10626 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10627 } else if (obj instanceof PackageSetting) { 10628 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10629 } else { 10630 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10631 } 10632 } else { 10633 throw new SecurityException("Unknown calling UID: " + uid); 10634 } 10635 10636 // Verify: can't set installerPackageName to a package that is 10637 // not signed with the same cert as the caller. 10638 if (installerPackageSetting != null) { 10639 if (compareSignatures(callerSignature, 10640 installerPackageSetting.signatures.mSignatures) 10641 != PackageManager.SIGNATURE_MATCH) { 10642 throw new SecurityException( 10643 "Caller does not have same cert as new installer package " 10644 + installerPackageName); 10645 } 10646 } 10647 10648 // Verify: if target already has an installer package, it must 10649 // be signed with the same cert as the caller. 10650 if (targetPackageSetting.installerPackageName != null) { 10651 PackageSetting setting = mSettings.mPackages.get( 10652 targetPackageSetting.installerPackageName); 10653 // If the currently set package isn't valid, then it's always 10654 // okay to change it. 10655 if (setting != null) { 10656 if (compareSignatures(callerSignature, 10657 setting.signatures.mSignatures) 10658 != PackageManager.SIGNATURE_MATCH) { 10659 throw new SecurityException( 10660 "Caller does not have same cert as old installer package " 10661 + targetPackageSetting.installerPackageName); 10662 } 10663 } 10664 } 10665 10666 // Okay! 10667 targetPackageSetting.installerPackageName = installerPackageName; 10668 scheduleWriteSettingsLocked(); 10669 } 10670 } 10671 10672 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10673 // Queue up an async operation since the package installation may take a little while. 10674 mHandler.post(new Runnable() { 10675 public void run() { 10676 mHandler.removeCallbacks(this); 10677 // Result object to be returned 10678 PackageInstalledInfo res = new PackageInstalledInfo(); 10679 res.returnCode = currentStatus; 10680 res.uid = -1; 10681 res.pkg = null; 10682 res.removedInfo = new PackageRemovedInfo(); 10683 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10684 args.doPreInstall(res.returnCode); 10685 synchronized (mInstallLock) { 10686 installPackageTracedLI(args, res); 10687 } 10688 args.doPostInstall(res.returnCode, res.uid); 10689 } 10690 10691 // A restore should be performed at this point if (a) the install 10692 // succeeded, (b) the operation is not an update, and (c) the new 10693 // package has not opted out of backup participation. 10694 final boolean update = res.removedInfo.removedPackage != null; 10695 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10696 boolean doRestore = !update 10697 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10698 10699 // Set up the post-install work request bookkeeping. This will be used 10700 // and cleaned up by the post-install event handling regardless of whether 10701 // there's a restore pass performed. Token values are >= 1. 10702 int token; 10703 if (mNextInstallToken < 0) mNextInstallToken = 1; 10704 token = mNextInstallToken++; 10705 10706 PostInstallData data = new PostInstallData(args, res); 10707 mRunningInstalls.put(token, data); 10708 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10709 10710 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10711 // Pass responsibility to the Backup Manager. It will perform a 10712 // restore if appropriate, then pass responsibility back to the 10713 // Package Manager to run the post-install observer callbacks 10714 // and broadcasts. 10715 IBackupManager bm = IBackupManager.Stub.asInterface( 10716 ServiceManager.getService(Context.BACKUP_SERVICE)); 10717 if (bm != null) { 10718 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10719 + " to BM for possible restore"); 10720 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10721 try { 10722 // TODO: http://b/22388012 10723 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 10724 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10725 } else { 10726 doRestore = false; 10727 } 10728 } catch (RemoteException e) { 10729 // can't happen; the backup manager is local 10730 } catch (Exception e) { 10731 Slog.e(TAG, "Exception trying to enqueue restore", e); 10732 doRestore = false; 10733 } 10734 } else { 10735 Slog.e(TAG, "Backup Manager not found!"); 10736 doRestore = false; 10737 } 10738 } 10739 10740 if (!doRestore) { 10741 // No restore possible, or the Backup Manager was mysteriously not 10742 // available -- just fire the post-install work request directly. 10743 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10744 10745 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 10746 10747 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10748 mHandler.sendMessage(msg); 10749 } 10750 } 10751 }); 10752 } 10753 10754 private abstract class HandlerParams { 10755 private static final int MAX_RETRIES = 4; 10756 10757 /** 10758 * Number of times startCopy() has been attempted and had a non-fatal 10759 * error. 10760 */ 10761 private int mRetries = 0; 10762 10763 /** User handle for the user requesting the information or installation. */ 10764 private final UserHandle mUser; 10765 String traceMethod; 10766 int traceCookie; 10767 10768 HandlerParams(UserHandle user) { 10769 mUser = user; 10770 } 10771 10772 UserHandle getUser() { 10773 return mUser; 10774 } 10775 10776 HandlerParams setTraceMethod(String traceMethod) { 10777 this.traceMethod = traceMethod; 10778 return this; 10779 } 10780 10781 HandlerParams setTraceCookie(int traceCookie) { 10782 this.traceCookie = traceCookie; 10783 return this; 10784 } 10785 10786 final boolean startCopy() { 10787 boolean res; 10788 try { 10789 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10790 10791 if (++mRetries > MAX_RETRIES) { 10792 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10793 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10794 handleServiceError(); 10795 return false; 10796 } else { 10797 handleStartCopy(); 10798 res = true; 10799 } 10800 } catch (RemoteException e) { 10801 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10802 mHandler.sendEmptyMessage(MCS_RECONNECT); 10803 res = false; 10804 } 10805 handleReturnCode(); 10806 return res; 10807 } 10808 10809 final void serviceError() { 10810 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10811 handleServiceError(); 10812 handleReturnCode(); 10813 } 10814 10815 abstract void handleStartCopy() throws RemoteException; 10816 abstract void handleServiceError(); 10817 abstract void handleReturnCode(); 10818 } 10819 10820 class MeasureParams extends HandlerParams { 10821 private final PackageStats mStats; 10822 private boolean mSuccess; 10823 10824 private final IPackageStatsObserver mObserver; 10825 10826 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10827 super(new UserHandle(stats.userHandle)); 10828 mObserver = observer; 10829 mStats = stats; 10830 } 10831 10832 @Override 10833 public String toString() { 10834 return "MeasureParams{" 10835 + Integer.toHexString(System.identityHashCode(this)) 10836 + " " + mStats.packageName + "}"; 10837 } 10838 10839 @Override 10840 void handleStartCopy() throws RemoteException { 10841 synchronized (mInstallLock) { 10842 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10843 } 10844 10845 if (mSuccess) { 10846 final boolean mounted; 10847 if (Environment.isExternalStorageEmulated()) { 10848 mounted = true; 10849 } else { 10850 final String status = Environment.getExternalStorageState(); 10851 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10852 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10853 } 10854 10855 if (mounted) { 10856 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10857 10858 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10859 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10860 10861 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10862 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10863 10864 // Always subtract cache size, since it's a subdirectory 10865 mStats.externalDataSize -= mStats.externalCacheSize; 10866 10867 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10868 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10869 10870 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10871 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10872 } 10873 } 10874 } 10875 10876 @Override 10877 void handleReturnCode() { 10878 if (mObserver != null) { 10879 try { 10880 mObserver.onGetStatsCompleted(mStats, mSuccess); 10881 } catch (RemoteException e) { 10882 Slog.i(TAG, "Observer no longer exists."); 10883 } 10884 } 10885 } 10886 10887 @Override 10888 void handleServiceError() { 10889 Slog.e(TAG, "Could not measure application " + mStats.packageName 10890 + " external storage"); 10891 } 10892 } 10893 10894 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10895 throws RemoteException { 10896 long result = 0; 10897 for (File path : paths) { 10898 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10899 } 10900 return result; 10901 } 10902 10903 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10904 for (File path : paths) { 10905 try { 10906 mcs.clearDirectory(path.getAbsolutePath()); 10907 } catch (RemoteException e) { 10908 } 10909 } 10910 } 10911 10912 static class OriginInfo { 10913 /** 10914 * Location where install is coming from, before it has been 10915 * copied/renamed into place. This could be a single monolithic APK 10916 * file, or a cluster directory. This location may be untrusted. 10917 */ 10918 final File file; 10919 final String cid; 10920 10921 /** 10922 * Flag indicating that {@link #file} or {@link #cid} has already been 10923 * staged, meaning downstream users don't need to defensively copy the 10924 * contents. 10925 */ 10926 final boolean staged; 10927 10928 /** 10929 * Flag indicating that {@link #file} or {@link #cid} is an already 10930 * installed app that is being moved. 10931 */ 10932 final boolean existing; 10933 10934 final String resolvedPath; 10935 final File resolvedFile; 10936 10937 static OriginInfo fromNothing() { 10938 return new OriginInfo(null, null, false, false); 10939 } 10940 10941 static OriginInfo fromUntrustedFile(File file) { 10942 return new OriginInfo(file, null, false, false); 10943 } 10944 10945 static OriginInfo fromExistingFile(File file) { 10946 return new OriginInfo(file, null, false, true); 10947 } 10948 10949 static OriginInfo fromStagedFile(File file) { 10950 return new OriginInfo(file, null, true, false); 10951 } 10952 10953 static OriginInfo fromStagedContainer(String cid) { 10954 return new OriginInfo(null, cid, true, false); 10955 } 10956 10957 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10958 this.file = file; 10959 this.cid = cid; 10960 this.staged = staged; 10961 this.existing = existing; 10962 10963 if (cid != null) { 10964 resolvedPath = PackageHelper.getSdDir(cid); 10965 resolvedFile = new File(resolvedPath); 10966 } else if (file != null) { 10967 resolvedPath = file.getAbsolutePath(); 10968 resolvedFile = file; 10969 } else { 10970 resolvedPath = null; 10971 resolvedFile = null; 10972 } 10973 } 10974 } 10975 10976 static class MoveInfo { 10977 final int moveId; 10978 final String fromUuid; 10979 final String toUuid; 10980 final String packageName; 10981 final String dataAppName; 10982 final int appId; 10983 final String seinfo; 10984 10985 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10986 String dataAppName, int appId, String seinfo) { 10987 this.moveId = moveId; 10988 this.fromUuid = fromUuid; 10989 this.toUuid = toUuid; 10990 this.packageName = packageName; 10991 this.dataAppName = dataAppName; 10992 this.appId = appId; 10993 this.seinfo = seinfo; 10994 } 10995 } 10996 10997 class InstallParams extends HandlerParams { 10998 final OriginInfo origin; 10999 final MoveInfo move; 11000 final IPackageInstallObserver2 observer; 11001 int installFlags; 11002 final String installerPackageName; 11003 final String volumeUuid; 11004 final VerificationParams verificationParams; 11005 private InstallArgs mArgs; 11006 private int mRet; 11007 final String packageAbiOverride; 11008 final String[] grantedRuntimePermissions; 11009 11010 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11011 int installFlags, String installerPackageName, String volumeUuid, 11012 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 11013 String[] grantedPermissions) { 11014 super(user); 11015 this.origin = origin; 11016 this.move = move; 11017 this.observer = observer; 11018 this.installFlags = installFlags; 11019 this.installerPackageName = installerPackageName; 11020 this.volumeUuid = volumeUuid; 11021 this.verificationParams = verificationParams; 11022 this.packageAbiOverride = packageAbiOverride; 11023 this.grantedRuntimePermissions = grantedPermissions; 11024 } 11025 11026 @Override 11027 public String toString() { 11028 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11029 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11030 } 11031 11032 private int installLocationPolicy(PackageInfoLite pkgLite) { 11033 String packageName = pkgLite.packageName; 11034 int installLocation = pkgLite.installLocation; 11035 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11036 // reader 11037 synchronized (mPackages) { 11038 PackageParser.Package pkg = mPackages.get(packageName); 11039 if (pkg != null) { 11040 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11041 // Check for downgrading. 11042 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 11043 try { 11044 checkDowngrade(pkg, pkgLite); 11045 } catch (PackageManagerException e) { 11046 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11047 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11048 } 11049 } 11050 // Check for updated system application. 11051 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11052 if (onSd) { 11053 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11054 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11055 } 11056 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11057 } else { 11058 if (onSd) { 11059 // Install flag overrides everything. 11060 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11061 } 11062 // If current upgrade specifies particular preference 11063 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11064 // Application explicitly specified internal. 11065 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11066 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11067 // App explictly prefers external. Let policy decide 11068 } else { 11069 // Prefer previous location 11070 if (isExternal(pkg)) { 11071 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11072 } 11073 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11074 } 11075 } 11076 } else { 11077 // Invalid install. Return error code 11078 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11079 } 11080 } 11081 } 11082 // All the special cases have been taken care of. 11083 // Return result based on recommended install location. 11084 if (onSd) { 11085 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11086 } 11087 return pkgLite.recommendedInstallLocation; 11088 } 11089 11090 /* 11091 * Invoke remote method to get package information and install 11092 * location values. Override install location based on default 11093 * policy if needed and then create install arguments based 11094 * on the install location. 11095 */ 11096 public void handleStartCopy() throws RemoteException { 11097 int ret = PackageManager.INSTALL_SUCCEEDED; 11098 11099 // If we're already staged, we've firmly committed to an install location 11100 if (origin.staged) { 11101 if (origin.file != null) { 11102 installFlags |= PackageManager.INSTALL_INTERNAL; 11103 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11104 } else if (origin.cid != null) { 11105 installFlags |= PackageManager.INSTALL_EXTERNAL; 11106 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11107 } else { 11108 throw new IllegalStateException("Invalid stage location"); 11109 } 11110 } 11111 11112 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11113 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11114 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11115 PackageInfoLite pkgLite = null; 11116 11117 if (onInt && onSd) { 11118 // Check if both bits are set. 11119 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11120 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11121 } else if (onSd && ephemeral) { 11122 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11123 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11124 } else { 11125 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11126 packageAbiOverride); 11127 11128 if (DEBUG_EPHEMERAL && ephemeral) { 11129 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11130 } 11131 11132 /* 11133 * If we have too little free space, try to free cache 11134 * before giving up. 11135 */ 11136 if (!origin.staged && pkgLite.recommendedInstallLocation 11137 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11138 // TODO: focus freeing disk space on the target device 11139 final StorageManager storage = StorageManager.from(mContext); 11140 final long lowThreshold = storage.getStorageLowBytes( 11141 Environment.getDataDirectory()); 11142 11143 final long sizeBytes = mContainerService.calculateInstalledSize( 11144 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11145 11146 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 11147 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11148 installFlags, packageAbiOverride); 11149 } 11150 11151 /* 11152 * The cache free must have deleted the file we 11153 * downloaded to install. 11154 * 11155 * TODO: fix the "freeCache" call to not delete 11156 * the file we care about. 11157 */ 11158 if (pkgLite.recommendedInstallLocation 11159 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11160 pkgLite.recommendedInstallLocation 11161 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11162 } 11163 } 11164 } 11165 11166 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11167 int loc = pkgLite.recommendedInstallLocation; 11168 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11169 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11170 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11171 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11172 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11173 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11174 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11175 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11176 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11177 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11178 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11179 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11180 } else { 11181 // Override with defaults if needed. 11182 loc = installLocationPolicy(pkgLite); 11183 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11184 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11185 } else if (!onSd && !onInt) { 11186 // Override install location with flags 11187 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11188 // Set the flag to install on external media. 11189 installFlags |= PackageManager.INSTALL_EXTERNAL; 11190 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11191 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11192 if (DEBUG_EPHEMERAL) { 11193 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11194 } 11195 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11196 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11197 |PackageManager.INSTALL_INTERNAL); 11198 } else { 11199 // Make sure the flag for installing on external 11200 // media is unset 11201 installFlags |= PackageManager.INSTALL_INTERNAL; 11202 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11203 } 11204 } 11205 } 11206 } 11207 11208 final InstallArgs args = createInstallArgs(this); 11209 mArgs = args; 11210 11211 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11212 // TODO: http://b/22976637 11213 // Apps installed for "all" users use the device owner to verify the app 11214 UserHandle verifierUser = getUser(); 11215 if (verifierUser == UserHandle.ALL) { 11216 verifierUser = UserHandle.SYSTEM; 11217 } 11218 11219 /* 11220 * Determine if we have any installed package verifiers. If we 11221 * do, then we'll defer to them to verify the packages. 11222 */ 11223 final int requiredUid = mRequiredVerifierPackage == null ? -1 11224 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11225 verifierUser.getIdentifier()); 11226 if (!origin.existing && requiredUid != -1 11227 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11228 final Intent verification = new Intent( 11229 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11230 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11231 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11232 PACKAGE_MIME_TYPE); 11233 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11234 11235 // Query all live verifiers based on current user state 11236 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 11237 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11238 11239 if (DEBUG_VERIFY) { 11240 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11241 + verification.toString() + " with " + pkgLite.verifiers.length 11242 + " optional verifiers"); 11243 } 11244 11245 final int verificationId = mPendingVerificationToken++; 11246 11247 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11248 11249 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11250 installerPackageName); 11251 11252 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11253 installFlags); 11254 11255 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11256 pkgLite.packageName); 11257 11258 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11259 pkgLite.versionCode); 11260 11261 if (verificationParams != null) { 11262 if (verificationParams.getVerificationURI() != null) { 11263 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 11264 verificationParams.getVerificationURI()); 11265 } 11266 if (verificationParams.getOriginatingURI() != null) { 11267 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11268 verificationParams.getOriginatingURI()); 11269 } 11270 if (verificationParams.getReferrer() != null) { 11271 verification.putExtra(Intent.EXTRA_REFERRER, 11272 verificationParams.getReferrer()); 11273 } 11274 if (verificationParams.getOriginatingUid() >= 0) { 11275 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11276 verificationParams.getOriginatingUid()); 11277 } 11278 if (verificationParams.getInstallerUid() >= 0) { 11279 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11280 verificationParams.getInstallerUid()); 11281 } 11282 } 11283 11284 final PackageVerificationState verificationState = new PackageVerificationState( 11285 requiredUid, args); 11286 11287 mPendingVerification.append(verificationId, verificationState); 11288 11289 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11290 receivers, verificationState); 11291 11292 /* 11293 * If any sufficient verifiers were listed in the package 11294 * manifest, attempt to ask them. 11295 */ 11296 if (sufficientVerifiers != null) { 11297 final int N = sufficientVerifiers.size(); 11298 if (N == 0) { 11299 Slog.i(TAG, "Additional verifiers required, but none installed."); 11300 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11301 } else { 11302 for (int i = 0; i < N; i++) { 11303 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11304 11305 final Intent sufficientIntent = new Intent(verification); 11306 sufficientIntent.setComponent(verifierComponent); 11307 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11308 } 11309 } 11310 } 11311 11312 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11313 mRequiredVerifierPackage, receivers); 11314 if (ret == PackageManager.INSTALL_SUCCEEDED 11315 && mRequiredVerifierPackage != null) { 11316 Trace.asyncTraceBegin( 11317 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11318 /* 11319 * Send the intent to the required verification agent, 11320 * but only start the verification timeout after the 11321 * target BroadcastReceivers have run. 11322 */ 11323 verification.setComponent(requiredVerifierComponent); 11324 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11325 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11326 new BroadcastReceiver() { 11327 @Override 11328 public void onReceive(Context context, Intent intent) { 11329 final Message msg = mHandler 11330 .obtainMessage(CHECK_PENDING_VERIFICATION); 11331 msg.arg1 = verificationId; 11332 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11333 } 11334 }, null, 0, null, null); 11335 11336 /* 11337 * We don't want the copy to proceed until verification 11338 * succeeds, so null out this field. 11339 */ 11340 mArgs = null; 11341 } 11342 } else { 11343 /* 11344 * No package verification is enabled, so immediately start 11345 * the remote call to initiate copy using temporary file. 11346 */ 11347 ret = args.copyApk(mContainerService, true); 11348 } 11349 } 11350 11351 mRet = ret; 11352 } 11353 11354 @Override 11355 void handleReturnCode() { 11356 // If mArgs is null, then MCS couldn't be reached. When it 11357 // reconnects, it will try again to install. At that point, this 11358 // will succeed. 11359 if (mArgs != null) { 11360 processPendingInstall(mArgs, mRet); 11361 } 11362 } 11363 11364 @Override 11365 void handleServiceError() { 11366 mArgs = createInstallArgs(this); 11367 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11368 } 11369 11370 public boolean isForwardLocked() { 11371 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11372 } 11373 } 11374 11375 /** 11376 * Used during creation of InstallArgs 11377 * 11378 * @param installFlags package installation flags 11379 * @return true if should be installed on external storage 11380 */ 11381 private static boolean installOnExternalAsec(int installFlags) { 11382 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11383 return false; 11384 } 11385 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11386 return true; 11387 } 11388 return false; 11389 } 11390 11391 /** 11392 * Used during creation of InstallArgs 11393 * 11394 * @param installFlags package installation flags 11395 * @return true if should be installed as forward locked 11396 */ 11397 private static boolean installForwardLocked(int installFlags) { 11398 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11399 } 11400 11401 private InstallArgs createInstallArgs(InstallParams params) { 11402 if (params.move != null) { 11403 return new MoveInstallArgs(params); 11404 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11405 return new AsecInstallArgs(params); 11406 } else { 11407 return new FileInstallArgs(params); 11408 } 11409 } 11410 11411 /** 11412 * Create args that describe an existing installed package. Typically used 11413 * when cleaning up old installs, or used as a move source. 11414 */ 11415 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11416 String resourcePath, String[] instructionSets) { 11417 final boolean isInAsec; 11418 if (installOnExternalAsec(installFlags)) { 11419 /* Apps on SD card are always in ASEC containers. */ 11420 isInAsec = true; 11421 } else if (installForwardLocked(installFlags) 11422 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11423 /* 11424 * Forward-locked apps are only in ASEC containers if they're the 11425 * new style 11426 */ 11427 isInAsec = true; 11428 } else { 11429 isInAsec = false; 11430 } 11431 11432 if (isInAsec) { 11433 return new AsecInstallArgs(codePath, instructionSets, 11434 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11435 } else { 11436 return new FileInstallArgs(codePath, resourcePath, instructionSets); 11437 } 11438 } 11439 11440 static abstract class InstallArgs { 11441 /** @see InstallParams#origin */ 11442 final OriginInfo origin; 11443 /** @see InstallParams#move */ 11444 final MoveInfo move; 11445 11446 final IPackageInstallObserver2 observer; 11447 // Always refers to PackageManager flags only 11448 final int installFlags; 11449 final String installerPackageName; 11450 final String volumeUuid; 11451 final UserHandle user; 11452 final String abiOverride; 11453 final String[] installGrantPermissions; 11454 /** If non-null, drop an async trace when the install completes */ 11455 final String traceMethod; 11456 final int traceCookie; 11457 11458 // The list of instruction sets supported by this app. This is currently 11459 // only used during the rmdex() phase to clean up resources. We can get rid of this 11460 // if we move dex files under the common app path. 11461 /* nullable */ String[] instructionSets; 11462 11463 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11464 int installFlags, String installerPackageName, String volumeUuid, 11465 UserHandle user, String[] instructionSets, 11466 String abiOverride, String[] installGrantPermissions, 11467 String traceMethod, int traceCookie) { 11468 this.origin = origin; 11469 this.move = move; 11470 this.installFlags = installFlags; 11471 this.observer = observer; 11472 this.installerPackageName = installerPackageName; 11473 this.volumeUuid = volumeUuid; 11474 this.user = user; 11475 this.instructionSets = instructionSets; 11476 this.abiOverride = abiOverride; 11477 this.installGrantPermissions = installGrantPermissions; 11478 this.traceMethod = traceMethod; 11479 this.traceCookie = traceCookie; 11480 } 11481 11482 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 11483 abstract int doPreInstall(int status); 11484 11485 /** 11486 * Rename package into final resting place. All paths on the given 11487 * scanned package should be updated to reflect the rename. 11488 */ 11489 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 11490 abstract int doPostInstall(int status, int uid); 11491 11492 /** @see PackageSettingBase#codePathString */ 11493 abstract String getCodePath(); 11494 /** @see PackageSettingBase#resourcePathString */ 11495 abstract String getResourcePath(); 11496 11497 // Need installer lock especially for dex file removal. 11498 abstract void cleanUpResourcesLI(); 11499 abstract boolean doPostDeleteLI(boolean delete); 11500 11501 /** 11502 * Called before the source arguments are copied. This is used mostly 11503 * for MoveParams when it needs to read the source file to put it in the 11504 * destination. 11505 */ 11506 int doPreCopy() { 11507 return PackageManager.INSTALL_SUCCEEDED; 11508 } 11509 11510 /** 11511 * Called after the source arguments are copied. This is used mostly for 11512 * MoveParams when it needs to read the source file to put it in the 11513 * destination. 11514 * 11515 * @return 11516 */ 11517 int doPostCopy(int uid) { 11518 return PackageManager.INSTALL_SUCCEEDED; 11519 } 11520 11521 protected boolean isFwdLocked() { 11522 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11523 } 11524 11525 protected boolean isExternalAsec() { 11526 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11527 } 11528 11529 protected boolean isEphemeral() { 11530 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11531 } 11532 11533 UserHandle getUser() { 11534 return user; 11535 } 11536 } 11537 11538 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 11539 if (!allCodePaths.isEmpty()) { 11540 if (instructionSets == null) { 11541 throw new IllegalStateException("instructionSet == null"); 11542 } 11543 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11544 for (String codePath : allCodePaths) { 11545 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11546 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 11547 if (retCode < 0) { 11548 Slog.w(TAG, "Couldn't remove dex file for package at location " + codePath 11549 + ", retcode=" + retCode); 11550 // we don't consider this to be a failure of the core package deletion 11551 } 11552 } 11553 } 11554 } 11555 } 11556 11557 /** 11558 * Logic to handle installation of non-ASEC applications, including copying 11559 * and renaming logic. 11560 */ 11561 class FileInstallArgs extends InstallArgs { 11562 private File codeFile; 11563 private File resourceFile; 11564 11565 // Example topology: 11566 // /data/app/com.example/base.apk 11567 // /data/app/com.example/split_foo.apk 11568 // /data/app/com.example/lib/arm/libfoo.so 11569 // /data/app/com.example/lib/arm64/libfoo.so 11570 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11571 11572 /** New install */ 11573 FileInstallArgs(InstallParams params) { 11574 super(params.origin, params.move, params.observer, params.installFlags, 11575 params.installerPackageName, params.volumeUuid, 11576 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11577 params.grantedRuntimePermissions, 11578 params.traceMethod, params.traceCookie); 11579 if (isFwdLocked()) { 11580 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11581 } 11582 } 11583 11584 /** Existing install */ 11585 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11586 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 11587 null, null, null, 0); 11588 this.codeFile = (codePath != null) ? new File(codePath) : null; 11589 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11590 } 11591 11592 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11593 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 11594 try { 11595 return doCopyApk(imcs, temp); 11596 } finally { 11597 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11598 } 11599 } 11600 11601 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11602 if (origin.staged) { 11603 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11604 codeFile = origin.file; 11605 resourceFile = origin.file; 11606 return PackageManager.INSTALL_SUCCEEDED; 11607 } 11608 11609 try { 11610 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11611 final File tempDir = 11612 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 11613 codeFile = tempDir; 11614 resourceFile = tempDir; 11615 } catch (IOException e) { 11616 Slog.w(TAG, "Failed to create copy file: " + e); 11617 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11618 } 11619 11620 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11621 @Override 11622 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11623 if (!FileUtils.isValidExtFilename(name)) { 11624 throw new IllegalArgumentException("Invalid filename: " + name); 11625 } 11626 try { 11627 final File file = new File(codeFile, name); 11628 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11629 O_RDWR | O_CREAT, 0644); 11630 Os.chmod(file.getAbsolutePath(), 0644); 11631 return new ParcelFileDescriptor(fd); 11632 } catch (ErrnoException e) { 11633 throw new RemoteException("Failed to open: " + e.getMessage()); 11634 } 11635 } 11636 }; 11637 11638 int ret = PackageManager.INSTALL_SUCCEEDED; 11639 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11640 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11641 Slog.e(TAG, "Failed to copy package"); 11642 return ret; 11643 } 11644 11645 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11646 NativeLibraryHelper.Handle handle = null; 11647 try { 11648 handle = NativeLibraryHelper.Handle.create(codeFile); 11649 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11650 abiOverride); 11651 } catch (IOException e) { 11652 Slog.e(TAG, "Copying native libraries failed", e); 11653 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11654 } finally { 11655 IoUtils.closeQuietly(handle); 11656 } 11657 11658 return ret; 11659 } 11660 11661 int doPreInstall(int status) { 11662 if (status != PackageManager.INSTALL_SUCCEEDED) { 11663 cleanUp(); 11664 } 11665 return status; 11666 } 11667 11668 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11669 if (status != PackageManager.INSTALL_SUCCEEDED) { 11670 cleanUp(); 11671 return false; 11672 } 11673 11674 final File targetDir = codeFile.getParentFile(); 11675 final File beforeCodeFile = codeFile; 11676 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11677 11678 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11679 try { 11680 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11681 } catch (ErrnoException e) { 11682 Slog.w(TAG, "Failed to rename", e); 11683 return false; 11684 } 11685 11686 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11687 Slog.w(TAG, "Failed to restorecon"); 11688 return false; 11689 } 11690 11691 // Reflect the rename internally 11692 codeFile = afterCodeFile; 11693 resourceFile = afterCodeFile; 11694 11695 // Reflect the rename in scanned details 11696 pkg.codePath = afterCodeFile.getAbsolutePath(); 11697 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11698 pkg.baseCodePath); 11699 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11700 pkg.splitCodePaths); 11701 11702 // Reflect the rename in app info 11703 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11704 pkg.applicationInfo.setCodePath(pkg.codePath); 11705 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11706 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11707 pkg.applicationInfo.setResourcePath(pkg.codePath); 11708 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11709 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11710 11711 return true; 11712 } 11713 11714 int doPostInstall(int status, int uid) { 11715 if (status != PackageManager.INSTALL_SUCCEEDED) { 11716 cleanUp(); 11717 } 11718 return status; 11719 } 11720 11721 @Override 11722 String getCodePath() { 11723 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11724 } 11725 11726 @Override 11727 String getResourcePath() { 11728 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11729 } 11730 11731 private boolean cleanUp() { 11732 if (codeFile == null || !codeFile.exists()) { 11733 return false; 11734 } 11735 11736 if (codeFile.isDirectory()) { 11737 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11738 } else { 11739 codeFile.delete(); 11740 } 11741 11742 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11743 resourceFile.delete(); 11744 } 11745 11746 return true; 11747 } 11748 11749 void cleanUpResourcesLI() { 11750 // Try enumerating all code paths before deleting 11751 List<String> allCodePaths = Collections.EMPTY_LIST; 11752 if (codeFile != null && codeFile.exists()) { 11753 try { 11754 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11755 allCodePaths = pkg.getAllCodePaths(); 11756 } catch (PackageParserException e) { 11757 // Ignored; we tried our best 11758 } 11759 } 11760 11761 cleanUp(); 11762 removeDexFiles(allCodePaths, instructionSets); 11763 } 11764 11765 boolean doPostDeleteLI(boolean delete) { 11766 // XXX err, shouldn't we respect the delete flag? 11767 cleanUpResourcesLI(); 11768 return true; 11769 } 11770 } 11771 11772 private boolean isAsecExternal(String cid) { 11773 final String asecPath = PackageHelper.getSdFilesystem(cid); 11774 return !asecPath.startsWith(mAsecInternalPath); 11775 } 11776 11777 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11778 PackageManagerException { 11779 if (copyRet < 0) { 11780 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11781 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11782 throw new PackageManagerException(copyRet, message); 11783 } 11784 } 11785 } 11786 11787 /** 11788 * Extract the MountService "container ID" from the full code path of an 11789 * .apk. 11790 */ 11791 static String cidFromCodePath(String fullCodePath) { 11792 int eidx = fullCodePath.lastIndexOf("/"); 11793 String subStr1 = fullCodePath.substring(0, eidx); 11794 int sidx = subStr1.lastIndexOf("/"); 11795 return subStr1.substring(sidx+1, eidx); 11796 } 11797 11798 /** 11799 * Logic to handle installation of ASEC applications, including copying and 11800 * renaming logic. 11801 */ 11802 class AsecInstallArgs extends InstallArgs { 11803 static final String RES_FILE_NAME = "pkg.apk"; 11804 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11805 11806 String cid; 11807 String packagePath; 11808 String resourcePath; 11809 11810 /** New install */ 11811 AsecInstallArgs(InstallParams params) { 11812 super(params.origin, params.move, params.observer, params.installFlags, 11813 params.installerPackageName, params.volumeUuid, 11814 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11815 params.grantedRuntimePermissions, 11816 params.traceMethod, params.traceCookie); 11817 } 11818 11819 /** Existing install */ 11820 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11821 boolean isExternal, boolean isForwardLocked) { 11822 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11823 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 11824 instructionSets, null, null, null, 0); 11825 // Hackily pretend we're still looking at a full code path 11826 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11827 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11828 } 11829 11830 // Extract cid from fullCodePath 11831 int eidx = fullCodePath.lastIndexOf("/"); 11832 String subStr1 = fullCodePath.substring(0, eidx); 11833 int sidx = subStr1.lastIndexOf("/"); 11834 cid = subStr1.substring(sidx+1, eidx); 11835 setMountPath(subStr1); 11836 } 11837 11838 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11839 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11840 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 11841 instructionSets, null, null, null, 0); 11842 this.cid = cid; 11843 setMountPath(PackageHelper.getSdDir(cid)); 11844 } 11845 11846 void createCopyFile() { 11847 cid = mInstallerService.allocateExternalStageCidLegacy(); 11848 } 11849 11850 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11851 if (origin.staged && origin.cid != null) { 11852 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11853 cid = origin.cid; 11854 setMountPath(PackageHelper.getSdDir(cid)); 11855 return PackageManager.INSTALL_SUCCEEDED; 11856 } 11857 11858 if (temp) { 11859 createCopyFile(); 11860 } else { 11861 /* 11862 * Pre-emptively destroy the container since it's destroyed if 11863 * copying fails due to it existing anyway. 11864 */ 11865 PackageHelper.destroySdDir(cid); 11866 } 11867 11868 final String newMountPath = imcs.copyPackageToContainer( 11869 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11870 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11871 11872 if (newMountPath != null) { 11873 setMountPath(newMountPath); 11874 return PackageManager.INSTALL_SUCCEEDED; 11875 } else { 11876 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11877 } 11878 } 11879 11880 @Override 11881 String getCodePath() { 11882 return packagePath; 11883 } 11884 11885 @Override 11886 String getResourcePath() { 11887 return resourcePath; 11888 } 11889 11890 int doPreInstall(int status) { 11891 if (status != PackageManager.INSTALL_SUCCEEDED) { 11892 // Destroy container 11893 PackageHelper.destroySdDir(cid); 11894 } else { 11895 boolean mounted = PackageHelper.isContainerMounted(cid); 11896 if (!mounted) { 11897 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11898 Process.SYSTEM_UID); 11899 if (newMountPath != null) { 11900 setMountPath(newMountPath); 11901 } else { 11902 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11903 } 11904 } 11905 } 11906 return status; 11907 } 11908 11909 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11910 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11911 String newMountPath = null; 11912 if (PackageHelper.isContainerMounted(cid)) { 11913 // Unmount the container 11914 if (!PackageHelper.unMountSdDir(cid)) { 11915 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11916 return false; 11917 } 11918 } 11919 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11920 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11921 " which might be stale. Will try to clean up."); 11922 // Clean up the stale container and proceed to recreate. 11923 if (!PackageHelper.destroySdDir(newCacheId)) { 11924 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11925 return false; 11926 } 11927 // Successfully cleaned up stale container. Try to rename again. 11928 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11929 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11930 + " inspite of cleaning it up."); 11931 return false; 11932 } 11933 } 11934 if (!PackageHelper.isContainerMounted(newCacheId)) { 11935 Slog.w(TAG, "Mounting container " + newCacheId); 11936 newMountPath = PackageHelper.mountSdDir(newCacheId, 11937 getEncryptKey(), Process.SYSTEM_UID); 11938 } else { 11939 newMountPath = PackageHelper.getSdDir(newCacheId); 11940 } 11941 if (newMountPath == null) { 11942 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11943 return false; 11944 } 11945 Log.i(TAG, "Succesfully renamed " + cid + 11946 " to " + newCacheId + 11947 " at new path: " + newMountPath); 11948 cid = newCacheId; 11949 11950 final File beforeCodeFile = new File(packagePath); 11951 setMountPath(newMountPath); 11952 final File afterCodeFile = new File(packagePath); 11953 11954 // Reflect the rename in scanned details 11955 pkg.codePath = afterCodeFile.getAbsolutePath(); 11956 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11957 pkg.baseCodePath); 11958 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11959 pkg.splitCodePaths); 11960 11961 // Reflect the rename in app info 11962 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11963 pkg.applicationInfo.setCodePath(pkg.codePath); 11964 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11965 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11966 pkg.applicationInfo.setResourcePath(pkg.codePath); 11967 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11968 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11969 11970 return true; 11971 } 11972 11973 private void setMountPath(String mountPath) { 11974 final File mountFile = new File(mountPath); 11975 11976 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11977 if (monolithicFile.exists()) { 11978 packagePath = monolithicFile.getAbsolutePath(); 11979 if (isFwdLocked()) { 11980 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11981 } else { 11982 resourcePath = packagePath; 11983 } 11984 } else { 11985 packagePath = mountFile.getAbsolutePath(); 11986 resourcePath = packagePath; 11987 } 11988 } 11989 11990 int doPostInstall(int status, int uid) { 11991 if (status != PackageManager.INSTALL_SUCCEEDED) { 11992 cleanUp(); 11993 } else { 11994 final int groupOwner; 11995 final String protectedFile; 11996 if (isFwdLocked()) { 11997 groupOwner = UserHandle.getSharedAppGid(uid); 11998 protectedFile = RES_FILE_NAME; 11999 } else { 12000 groupOwner = -1; 12001 protectedFile = null; 12002 } 12003 12004 if (uid < Process.FIRST_APPLICATION_UID 12005 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12006 Slog.e(TAG, "Failed to finalize " + cid); 12007 PackageHelper.destroySdDir(cid); 12008 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12009 } 12010 12011 boolean mounted = PackageHelper.isContainerMounted(cid); 12012 if (!mounted) { 12013 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12014 } 12015 } 12016 return status; 12017 } 12018 12019 private void cleanUp() { 12020 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12021 12022 // Destroy secure container 12023 PackageHelper.destroySdDir(cid); 12024 } 12025 12026 private List<String> getAllCodePaths() { 12027 final File codeFile = new File(getCodePath()); 12028 if (codeFile != null && codeFile.exists()) { 12029 try { 12030 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12031 return pkg.getAllCodePaths(); 12032 } catch (PackageParserException e) { 12033 // Ignored; we tried our best 12034 } 12035 } 12036 return Collections.EMPTY_LIST; 12037 } 12038 12039 void cleanUpResourcesLI() { 12040 // Enumerate all code paths before deleting 12041 cleanUpResourcesLI(getAllCodePaths()); 12042 } 12043 12044 private void cleanUpResourcesLI(List<String> allCodePaths) { 12045 cleanUp(); 12046 removeDexFiles(allCodePaths, instructionSets); 12047 } 12048 12049 String getPackageName() { 12050 return getAsecPackageName(cid); 12051 } 12052 12053 boolean doPostDeleteLI(boolean delete) { 12054 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12055 final List<String> allCodePaths = getAllCodePaths(); 12056 boolean mounted = PackageHelper.isContainerMounted(cid); 12057 if (mounted) { 12058 // Unmount first 12059 if (PackageHelper.unMountSdDir(cid)) { 12060 mounted = false; 12061 } 12062 } 12063 if (!mounted && delete) { 12064 cleanUpResourcesLI(allCodePaths); 12065 } 12066 return !mounted; 12067 } 12068 12069 @Override 12070 int doPreCopy() { 12071 if (isFwdLocked()) { 12072 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12073 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12074 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12075 } 12076 } 12077 12078 return PackageManager.INSTALL_SUCCEEDED; 12079 } 12080 12081 @Override 12082 int doPostCopy(int uid) { 12083 if (isFwdLocked()) { 12084 if (uid < Process.FIRST_APPLICATION_UID 12085 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12086 RES_FILE_NAME)) { 12087 Slog.e(TAG, "Failed to finalize " + cid); 12088 PackageHelper.destroySdDir(cid); 12089 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12090 } 12091 } 12092 12093 return PackageManager.INSTALL_SUCCEEDED; 12094 } 12095 } 12096 12097 /** 12098 * Logic to handle movement of existing installed applications. 12099 */ 12100 class MoveInstallArgs extends InstallArgs { 12101 private File codeFile; 12102 private File resourceFile; 12103 12104 /** New install */ 12105 MoveInstallArgs(InstallParams params) { 12106 super(params.origin, params.move, params.observer, params.installFlags, 12107 params.installerPackageName, params.volumeUuid, 12108 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12109 params.grantedRuntimePermissions, 12110 params.traceMethod, params.traceCookie); 12111 } 12112 12113 int copyApk(IMediaContainerService imcs, boolean temp) { 12114 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12115 + move.fromUuid + " to " + move.toUuid); 12116 synchronized (mInstaller) { 12117 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12118 move.dataAppName, move.appId, move.seinfo) != 0) { 12119 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12120 } 12121 } 12122 12123 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12124 resourceFile = codeFile; 12125 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12126 12127 return PackageManager.INSTALL_SUCCEEDED; 12128 } 12129 12130 int doPreInstall(int status) { 12131 if (status != PackageManager.INSTALL_SUCCEEDED) { 12132 cleanUp(move.toUuid); 12133 } 12134 return status; 12135 } 12136 12137 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12138 if (status != PackageManager.INSTALL_SUCCEEDED) { 12139 cleanUp(move.toUuid); 12140 return false; 12141 } 12142 12143 // Reflect the move in app info 12144 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 12145 pkg.applicationInfo.setCodePath(pkg.codePath); 12146 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 12147 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 12148 pkg.applicationInfo.setResourcePath(pkg.codePath); 12149 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 12150 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 12151 12152 return true; 12153 } 12154 12155 int doPostInstall(int status, int uid) { 12156 if (status == PackageManager.INSTALL_SUCCEEDED) { 12157 cleanUp(move.fromUuid); 12158 } else { 12159 cleanUp(move.toUuid); 12160 } 12161 return status; 12162 } 12163 12164 @Override 12165 String getCodePath() { 12166 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12167 } 12168 12169 @Override 12170 String getResourcePath() { 12171 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12172 } 12173 12174 private boolean cleanUp(String volumeUuid) { 12175 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12176 move.dataAppName); 12177 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12178 synchronized (mInstallLock) { 12179 // Clean up both app data and code 12180 removeDataDirsLI(volumeUuid, move.packageName); 12181 if (codeFile.isDirectory()) { 12182 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 12183 } else { 12184 codeFile.delete(); 12185 } 12186 } 12187 return true; 12188 } 12189 12190 void cleanUpResourcesLI() { 12191 throw new UnsupportedOperationException(); 12192 } 12193 12194 boolean doPostDeleteLI(boolean delete) { 12195 throw new UnsupportedOperationException(); 12196 } 12197 } 12198 12199 static String getAsecPackageName(String packageCid) { 12200 int idx = packageCid.lastIndexOf("-"); 12201 if (idx == -1) { 12202 return packageCid; 12203 } 12204 return packageCid.substring(0, idx); 12205 } 12206 12207 // Utility method used to create code paths based on package name and available index. 12208 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12209 String idxStr = ""; 12210 int idx = 1; 12211 // Fall back to default value of idx=1 if prefix is not 12212 // part of oldCodePath 12213 if (oldCodePath != null) { 12214 String subStr = oldCodePath; 12215 // Drop the suffix right away 12216 if (suffix != null && subStr.endsWith(suffix)) { 12217 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12218 } 12219 // If oldCodePath already contains prefix find out the 12220 // ending index to either increment or decrement. 12221 int sidx = subStr.lastIndexOf(prefix); 12222 if (sidx != -1) { 12223 subStr = subStr.substring(sidx + prefix.length()); 12224 if (subStr != null) { 12225 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12226 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12227 } 12228 try { 12229 idx = Integer.parseInt(subStr); 12230 if (idx <= 1) { 12231 idx++; 12232 } else { 12233 idx--; 12234 } 12235 } catch(NumberFormatException e) { 12236 } 12237 } 12238 } 12239 } 12240 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12241 return prefix + idxStr; 12242 } 12243 12244 private File getNextCodePath(File targetDir, String packageName) { 12245 int suffix = 1; 12246 File result; 12247 do { 12248 result = new File(targetDir, packageName + "-" + suffix); 12249 suffix++; 12250 } while (result.exists()); 12251 return result; 12252 } 12253 12254 // Utility method that returns the relative package path with respect 12255 // to the installation directory. Like say for /data/data/com.test-1.apk 12256 // string com.test-1 is returned. 12257 static String deriveCodePathName(String codePath) { 12258 if (codePath == null) { 12259 return null; 12260 } 12261 final File codeFile = new File(codePath); 12262 final String name = codeFile.getName(); 12263 if (codeFile.isDirectory()) { 12264 return name; 12265 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12266 final int lastDot = name.lastIndexOf('.'); 12267 return name.substring(0, lastDot); 12268 } else { 12269 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12270 return null; 12271 } 12272 } 12273 12274 static class PackageInstalledInfo { 12275 String name; 12276 int uid; 12277 // The set of users that originally had this package installed. 12278 int[] origUsers; 12279 // The set of users that now have this package installed. 12280 int[] newUsers; 12281 PackageParser.Package pkg; 12282 int returnCode; 12283 String returnMsg; 12284 PackageRemovedInfo removedInfo; 12285 12286 public void setError(int code, String msg) { 12287 returnCode = code; 12288 returnMsg = msg; 12289 Slog.w(TAG, msg); 12290 } 12291 12292 public void setError(String msg, PackageParserException e) { 12293 returnCode = e.error; 12294 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12295 Slog.w(TAG, msg, e); 12296 } 12297 12298 public void setError(String msg, PackageManagerException e) { 12299 returnCode = e.error; 12300 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12301 Slog.w(TAG, msg, e); 12302 } 12303 12304 // In some error cases we want to convey more info back to the observer 12305 String origPackage; 12306 String origPermission; 12307 } 12308 12309 /* 12310 * Install a non-existing package. 12311 */ 12312 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12313 UserHandle user, String installerPackageName, String volumeUuid, 12314 PackageInstalledInfo res) { 12315 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12316 12317 // Remember this for later, in case we need to rollback this install 12318 String pkgName = pkg.packageName; 12319 12320 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12321 // TODO: b/23350563 12322 final boolean dataDirExists = Environment 12323 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists(); 12324 12325 synchronized(mPackages) { 12326 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12327 // A package with the same name is already installed, though 12328 // it has been renamed to an older name. The package we 12329 // are trying to install should be installed as an update to 12330 // the existing one, but that has not been requested, so bail. 12331 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12332 + " without first uninstalling package running as " 12333 + mSettings.mRenamedPackages.get(pkgName)); 12334 return; 12335 } 12336 if (mPackages.containsKey(pkgName)) { 12337 // Don't allow installation over an existing package with the same name. 12338 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12339 + " without first uninstalling."); 12340 return; 12341 } 12342 } 12343 12344 try { 12345 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12346 System.currentTimeMillis(), user); 12347 12348 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 12349 // delete the partially installed application. the data directory will have to be 12350 // restored if it was already existing 12351 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12352 // remove package from internal structures. Note that we want deletePackageX to 12353 // delete the package data and cache directories that it created in 12354 // scanPackageLocked, unless those directories existed before we even tried to 12355 // install. 12356 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 12357 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 12358 res.removedInfo, true); 12359 } 12360 12361 } catch (PackageManagerException e) { 12362 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12363 } 12364 12365 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12366 } 12367 12368 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12369 // Can't rotate keys during boot or if sharedUser. 12370 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12371 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12372 return false; 12373 } 12374 // app is using upgradeKeySets; make sure all are valid 12375 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12376 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12377 for (int i = 0; i < upgradeKeySets.length; i++) { 12378 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12379 Slog.wtf(TAG, "Package " 12380 + (oldPs.name != null ? oldPs.name : "<null>") 12381 + " contains upgrade-key-set reference to unknown key-set: " 12382 + upgradeKeySets[i] 12383 + " reverting to signatures check."); 12384 return false; 12385 } 12386 } 12387 return true; 12388 } 12389 12390 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12391 // Upgrade keysets are being used. Determine if new package has a superset of the 12392 // required keys. 12393 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12394 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12395 for (int i = 0; i < upgradeKeySets.length; i++) { 12396 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12397 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12398 return true; 12399 } 12400 } 12401 return false; 12402 } 12403 12404 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12405 UserHandle user, String installerPackageName, String volumeUuid, 12406 PackageInstalledInfo res) { 12407 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 12408 12409 final PackageParser.Package oldPackage; 12410 final String pkgName = pkg.packageName; 12411 final int[] allUsers; 12412 final boolean[] perUserInstalled; 12413 12414 // First find the old package info and check signatures 12415 synchronized(mPackages) { 12416 oldPackage = mPackages.get(pkgName); 12417 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 12418 if (isEphemeral && !oldIsEphemeral) { 12419 // can't downgrade from full to ephemeral 12420 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 12421 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12422 return; 12423 } 12424 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12425 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12426 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12427 if(!checkUpgradeKeySetLP(ps, pkg)) { 12428 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12429 "New package not signed by keys specified by upgrade-keysets: " 12430 + pkgName); 12431 return; 12432 } 12433 } else { 12434 // default to original signature matching 12435 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 12436 != PackageManager.SIGNATURE_MATCH) { 12437 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12438 "New package has a different signature: " + pkgName); 12439 return; 12440 } 12441 } 12442 12443 // In case of rollback, remember per-user/profile install state 12444 allUsers = sUserManager.getUserIds(); 12445 perUserInstalled = new boolean[allUsers.length]; 12446 for (int i = 0; i < allUsers.length; i++) { 12447 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12448 } 12449 } 12450 12451 boolean sysPkg = (isSystemApp(oldPackage)); 12452 if (sysPkg) { 12453 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12454 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12455 } else { 12456 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12457 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12458 } 12459 } 12460 12461 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 12462 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12463 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12464 String volumeUuid, PackageInstalledInfo res) { 12465 String pkgName = deletedPackage.packageName; 12466 boolean deletedPkg = true; 12467 boolean updatedSettings = false; 12468 12469 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 12470 + deletedPackage); 12471 long origUpdateTime; 12472 if (pkg.mExtras != null) { 12473 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 12474 } else { 12475 origUpdateTime = 0; 12476 } 12477 12478 // First delete the existing package while retaining the data directory 12479 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 12480 res.removedInfo, true)) { 12481 // If the existing package wasn't successfully deleted 12482 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 12483 deletedPkg = false; 12484 } else { 12485 // Successfully deleted the old package; proceed with replace. 12486 12487 // If deleted package lived in a container, give users a chance to 12488 // relinquish resources before killing. 12489 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 12490 if (DEBUG_INSTALL) { 12491 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 12492 } 12493 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 12494 final ArrayList<String> pkgList = new ArrayList<String>(1); 12495 pkgList.add(deletedPackage.applicationInfo.packageName); 12496 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 12497 } 12498 12499 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 12500 try { 12501 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 12502 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 12503 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12504 perUserInstalled, res, user); 12505 updatedSettings = true; 12506 } catch (PackageManagerException e) { 12507 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12508 } 12509 } 12510 12511 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12512 // remove package from internal structures. Note that we want deletePackageX to 12513 // delete the package data and cache directories that it created in 12514 // scanPackageLocked, unless those directories existed before we even tried to 12515 // install. 12516 if(updatedSettings) { 12517 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 12518 deletePackageLI( 12519 pkgName, null, true, allUsers, perUserInstalled, 12520 PackageManager.DELETE_KEEP_DATA, 12521 res.removedInfo, true); 12522 } 12523 // Since we failed to install the new package we need to restore the old 12524 // package that we deleted. 12525 if (deletedPkg) { 12526 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 12527 File restoreFile = new File(deletedPackage.codePath); 12528 // Parse old package 12529 boolean oldExternal = isExternal(deletedPackage); 12530 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 12531 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 12532 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12533 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 12534 try { 12535 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 12536 null); 12537 } catch (PackageManagerException e) { 12538 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 12539 + e.getMessage()); 12540 return; 12541 } 12542 // Restore of old package succeeded. Update permissions. 12543 // writer 12544 synchronized (mPackages) { 12545 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 12546 UPDATE_PERMISSIONS_ALL); 12547 // can downgrade to reader 12548 mSettings.writeLPr(); 12549 } 12550 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 12551 } 12552 } 12553 } 12554 12555 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 12556 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12557 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12558 String volumeUuid, PackageInstalledInfo res) { 12559 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 12560 + ", old=" + deletedPackage); 12561 boolean disabledSystem = false; 12562 boolean updatedSettings = false; 12563 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 12564 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 12565 != 0) { 12566 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12567 } 12568 String packageName = deletedPackage.packageName; 12569 if (packageName == null) { 12570 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12571 "Attempt to delete null packageName."); 12572 return; 12573 } 12574 PackageParser.Package oldPkg; 12575 PackageSetting oldPkgSetting; 12576 // reader 12577 synchronized (mPackages) { 12578 oldPkg = mPackages.get(packageName); 12579 oldPkgSetting = mSettings.mPackages.get(packageName); 12580 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12581 (oldPkgSetting == null)) { 12582 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12583 "Couldn't find package " + packageName + " information"); 12584 return; 12585 } 12586 } 12587 12588 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12589 12590 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12591 res.removedInfo.removedPackage = packageName; 12592 // Remove existing system package 12593 removePackageLI(oldPkgSetting, true); 12594 // writer 12595 synchronized (mPackages) { 12596 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12597 if (!disabledSystem && deletedPackage != null) { 12598 // We didn't need to disable the .apk as a current system package, 12599 // which means we are replacing another update that is already 12600 // installed. We need to make sure to delete the older one's .apk. 12601 res.removedInfo.args = createInstallArgsForExisting(0, 12602 deletedPackage.applicationInfo.getCodePath(), 12603 deletedPackage.applicationInfo.getResourcePath(), 12604 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12605 } else { 12606 res.removedInfo.args = null; 12607 } 12608 } 12609 12610 // Successfully disabled the old package. Now proceed with re-installation 12611 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12612 12613 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12614 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12615 12616 PackageParser.Package newPackage = null; 12617 try { 12618 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 12619 if (newPackage.mExtras != null) { 12620 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12621 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12622 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12623 12624 // is the update attempting to change shared user? that isn't going to work... 12625 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12626 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12627 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12628 + " to " + newPkgSetting.sharedUser); 12629 updatedSettings = true; 12630 } 12631 } 12632 12633 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12634 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12635 perUserInstalled, res, user); 12636 updatedSettings = true; 12637 } 12638 12639 } catch (PackageManagerException e) { 12640 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12641 } 12642 12643 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12644 // Re installation failed. Restore old information 12645 // Remove new pkg information 12646 if (newPackage != null) { 12647 removeInstalledPackageLI(newPackage, true); 12648 } 12649 // Add back the old system package 12650 try { 12651 scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12652 } catch (PackageManagerException e) { 12653 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12654 } 12655 // Restore the old system information in Settings 12656 synchronized (mPackages) { 12657 if (disabledSystem) { 12658 mSettings.enableSystemPackageLPw(packageName); 12659 } 12660 if (updatedSettings) { 12661 mSettings.setInstallerPackageName(packageName, 12662 oldPkgSetting.installerPackageName); 12663 } 12664 mSettings.writeLPr(); 12665 } 12666 } 12667 } 12668 12669 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 12670 // Collect all used permissions in the UID 12671 ArraySet<String> usedPermissions = new ArraySet<>(); 12672 final int packageCount = su.packages.size(); 12673 for (int i = 0; i < packageCount; i++) { 12674 PackageSetting ps = su.packages.valueAt(i); 12675 if (ps.pkg == null) { 12676 continue; 12677 } 12678 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 12679 for (int j = 0; j < requestedPermCount; j++) { 12680 String permission = ps.pkg.requestedPermissions.get(j); 12681 BasePermission bp = mSettings.mPermissions.get(permission); 12682 if (bp != null) { 12683 usedPermissions.add(permission); 12684 } 12685 } 12686 } 12687 12688 PermissionsState permissionsState = su.getPermissionsState(); 12689 // Prune install permissions 12690 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 12691 final int installPermCount = installPermStates.size(); 12692 for (int i = installPermCount - 1; i >= 0; i--) { 12693 PermissionState permissionState = installPermStates.get(i); 12694 if (!usedPermissions.contains(permissionState.getName())) { 12695 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12696 if (bp != null) { 12697 permissionsState.revokeInstallPermission(bp); 12698 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12699 PackageManager.MASK_PERMISSION_FLAGS, 0); 12700 } 12701 } 12702 } 12703 12704 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 12705 12706 // Prune runtime permissions 12707 for (int userId : allUserIds) { 12708 List<PermissionState> runtimePermStates = permissionsState 12709 .getRuntimePermissionStates(userId); 12710 final int runtimePermCount = runtimePermStates.size(); 12711 for (int i = runtimePermCount - 1; i >= 0; i--) { 12712 PermissionState permissionState = runtimePermStates.get(i); 12713 if (!usedPermissions.contains(permissionState.getName())) { 12714 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12715 if (bp != null) { 12716 permissionsState.revokeRuntimePermission(bp, userId); 12717 permissionsState.updatePermissionFlags(bp, userId, 12718 PackageManager.MASK_PERMISSION_FLAGS, 0); 12719 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 12720 runtimePermissionChangedUserIds, userId); 12721 } 12722 } 12723 } 12724 } 12725 12726 return runtimePermissionChangedUserIds; 12727 } 12728 12729 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12730 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12731 UserHandle user) { 12732 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 12733 12734 String pkgName = newPackage.packageName; 12735 synchronized (mPackages) { 12736 //write settings. the installStatus will be incomplete at this stage. 12737 //note that the new package setting would have already been 12738 //added to mPackages. It hasn't been persisted yet. 12739 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12740 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12741 mSettings.writeLPr(); 12742 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12743 } 12744 12745 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12746 synchronized (mPackages) { 12747 updatePermissionsLPw(newPackage.packageName, newPackage, 12748 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12749 ? UPDATE_PERMISSIONS_ALL : 0)); 12750 // For system-bundled packages, we assume that installing an upgraded version 12751 // of the package implies that the user actually wants to run that new code, 12752 // so we enable the package. 12753 PackageSetting ps = mSettings.mPackages.get(pkgName); 12754 if (ps != null) { 12755 if (isSystemApp(newPackage)) { 12756 // NB: implicit assumption that system package upgrades apply to all users 12757 if (DEBUG_INSTALL) { 12758 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12759 } 12760 if (res.origUsers != null) { 12761 for (int userHandle : res.origUsers) { 12762 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12763 userHandle, installerPackageName); 12764 } 12765 } 12766 // Also convey the prior install/uninstall state 12767 if (allUsers != null && perUserInstalled != null) { 12768 for (int i = 0; i < allUsers.length; i++) { 12769 if (DEBUG_INSTALL) { 12770 Slog.d(TAG, " user " + allUsers[i] 12771 + " => " + perUserInstalled[i]); 12772 } 12773 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12774 } 12775 // these install state changes will be persisted in the 12776 // upcoming call to mSettings.writeLPr(). 12777 } 12778 } 12779 // It's implied that when a user requests installation, they want the app to be 12780 // installed and enabled. 12781 int userId = user.getIdentifier(); 12782 if (userId != UserHandle.USER_ALL) { 12783 ps.setInstalled(true, userId); 12784 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12785 } 12786 } 12787 res.name = pkgName; 12788 res.uid = newPackage.applicationInfo.uid; 12789 res.pkg = newPackage; 12790 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12791 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12792 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12793 //to update install status 12794 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12795 mSettings.writeLPr(); 12796 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12797 } 12798 12799 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12800 } 12801 12802 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 12803 try { 12804 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 12805 installPackageLI(args, res); 12806 } finally { 12807 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12808 } 12809 } 12810 12811 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12812 final int installFlags = args.installFlags; 12813 final String installerPackageName = args.installerPackageName; 12814 final String volumeUuid = args.volumeUuid; 12815 final File tmpPackageFile = new File(args.getCodePath()); 12816 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12817 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12818 || (args.volumeUuid != null)); 12819 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 12820 boolean replace = false; 12821 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12822 if (args.move != null) { 12823 // moving a complete application; perfom an initial scan on the new install location 12824 scanFlags |= SCAN_INITIAL; 12825 } 12826 // Result object to be returned 12827 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12828 12829 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12830 12831 // Sanity check 12832 if (ephemeral && (forwardLocked || onExternal)) { 12833 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 12834 + " external=" + onExternal); 12835 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12836 return; 12837 } 12838 12839 // Retrieve PackageSettings and parse package 12840 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12841 | PackageParser.PARSE_ENFORCE_CODE 12842 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12843 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 12844 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 12845 PackageParser pp = new PackageParser(); 12846 pp.setSeparateProcesses(mSeparateProcesses); 12847 pp.setDisplayMetrics(mMetrics); 12848 12849 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 12850 final PackageParser.Package pkg; 12851 try { 12852 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12853 } catch (PackageParserException e) { 12854 res.setError("Failed parse during installPackageLI", e); 12855 return; 12856 } finally { 12857 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12858 } 12859 12860 // Mark that we have an install time CPU ABI override. 12861 pkg.cpuAbiOverride = args.abiOverride; 12862 12863 String pkgName = res.name = pkg.packageName; 12864 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12865 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12866 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12867 return; 12868 } 12869 } 12870 12871 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 12872 try { 12873 pp.collectCertificates(pkg, parseFlags); 12874 } catch (PackageParserException e) { 12875 res.setError("Failed collect during installPackageLI", e); 12876 return; 12877 } finally { 12878 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12879 } 12880 12881 // Get rid of all references to package scan path via parser. 12882 pp = null; 12883 String oldCodePath = null; 12884 boolean systemApp = false; 12885 synchronized (mPackages) { 12886 // Check if installing already existing package 12887 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12888 String oldName = mSettings.mRenamedPackages.get(pkgName); 12889 if (pkg.mOriginalPackages != null 12890 && pkg.mOriginalPackages.contains(oldName) 12891 && mPackages.containsKey(oldName)) { 12892 // This package is derived from an original package, 12893 // and this device has been updating from that original 12894 // name. We must continue using the original name, so 12895 // rename the new package here. 12896 pkg.setPackageName(oldName); 12897 pkgName = pkg.packageName; 12898 replace = true; 12899 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12900 + oldName + " pkgName=" + pkgName); 12901 } else if (mPackages.containsKey(pkgName)) { 12902 // This package, under its official name, already exists 12903 // on the device; we should replace it. 12904 replace = true; 12905 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12906 } 12907 12908 // Prevent apps opting out from runtime permissions 12909 if (replace) { 12910 PackageParser.Package oldPackage = mPackages.get(pkgName); 12911 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12912 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12913 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12914 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12915 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12916 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12917 + " doesn't support runtime permissions but the old" 12918 + " target SDK " + oldTargetSdk + " does."); 12919 return; 12920 } 12921 } 12922 } 12923 12924 PackageSetting ps = mSettings.mPackages.get(pkgName); 12925 if (ps != null) { 12926 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12927 12928 // Quick sanity check that we're signed correctly if updating; 12929 // we'll check this again later when scanning, but we want to 12930 // bail early here before tripping over redefined permissions. 12931 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12932 if (!checkUpgradeKeySetLP(ps, pkg)) { 12933 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12934 + pkg.packageName + " upgrade keys do not match the " 12935 + "previously installed version"); 12936 return; 12937 } 12938 } else { 12939 try { 12940 verifySignaturesLP(ps, pkg); 12941 } catch (PackageManagerException e) { 12942 res.setError(e.error, e.getMessage()); 12943 return; 12944 } 12945 } 12946 12947 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12948 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12949 systemApp = (ps.pkg.applicationInfo.flags & 12950 ApplicationInfo.FLAG_SYSTEM) != 0; 12951 } 12952 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12953 } 12954 12955 // Check whether the newly-scanned package wants to define an already-defined perm 12956 int N = pkg.permissions.size(); 12957 for (int i = N-1; i >= 0; i--) { 12958 PackageParser.Permission perm = pkg.permissions.get(i); 12959 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12960 if (bp != null) { 12961 // If the defining package is signed with our cert, it's okay. This 12962 // also includes the "updating the same package" case, of course. 12963 // "updating same package" could also involve key-rotation. 12964 final boolean sigsOk; 12965 if (bp.sourcePackage.equals(pkg.packageName) 12966 && (bp.packageSetting instanceof PackageSetting) 12967 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12968 scanFlags))) { 12969 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12970 } else { 12971 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12972 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12973 } 12974 if (!sigsOk) { 12975 // If the owning package is the system itself, we log but allow 12976 // install to proceed; we fail the install on all other permission 12977 // redefinitions. 12978 if (!bp.sourcePackage.equals("android")) { 12979 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12980 + pkg.packageName + " attempting to redeclare permission " 12981 + perm.info.name + " already owned by " + bp.sourcePackage); 12982 res.origPermission = perm.info.name; 12983 res.origPackage = bp.sourcePackage; 12984 return; 12985 } else { 12986 Slog.w(TAG, "Package " + pkg.packageName 12987 + " attempting to redeclare system permission " 12988 + perm.info.name + "; ignoring new declaration"); 12989 pkg.permissions.remove(i); 12990 } 12991 } 12992 } 12993 } 12994 12995 } 12996 12997 if (systemApp) { 12998 if (onExternal) { 12999 // Abort update; system app can't be replaced with app on sdcard 13000 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 13001 "Cannot install updates to system apps on sdcard"); 13002 return; 13003 } else if (ephemeral) { 13004 // Abort update; system app can't be replaced with an ephemeral app 13005 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 13006 "Cannot update a system app with an ephemeral app"); 13007 return; 13008 } 13009 } 13010 13011 if (args.move != null) { 13012 // We did an in-place move, so dex is ready to roll 13013 scanFlags |= SCAN_NO_DEX; 13014 scanFlags |= SCAN_MOVE; 13015 13016 synchronized (mPackages) { 13017 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13018 if (ps == null) { 13019 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 13020 "Missing settings for moved package " + pkgName); 13021 } 13022 13023 // We moved the entire application as-is, so bring over the 13024 // previously derived ABI information. 13025 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 13026 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 13027 } 13028 13029 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 13030 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 13031 scanFlags |= SCAN_NO_DEX; 13032 13033 try { 13034 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 13035 true /* extract libs */); 13036 } catch (PackageManagerException pme) { 13037 Slog.e(TAG, "Error deriving application ABI", pme); 13038 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 13039 return; 13040 } 13041 } 13042 13043 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 13044 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 13045 return; 13046 } 13047 13048 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 13049 13050 if (replace) { 13051 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 13052 installerPackageName, volumeUuid, res); 13053 } else { 13054 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 13055 args.user, installerPackageName, volumeUuid, res); 13056 } 13057 synchronized (mPackages) { 13058 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13059 if (ps != null) { 13060 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13061 } 13062 } 13063 } 13064 13065 private void startIntentFilterVerifications(int userId, boolean replacing, 13066 PackageParser.Package pkg) { 13067 if (mIntentFilterVerifierComponent == null) { 13068 Slog.w(TAG, "No IntentFilter verification will not be done as " 13069 + "there is no IntentFilterVerifier available!"); 13070 return; 13071 } 13072 13073 final int verifierUid = getPackageUid( 13074 mIntentFilterVerifierComponent.getPackageName(), 13075 MATCH_DEBUG_TRIAGED_MISSING, 13076 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 13077 13078 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 13079 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 13080 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 13081 mHandler.sendMessage(msg); 13082 } 13083 13084 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 13085 PackageParser.Package pkg) { 13086 int size = pkg.activities.size(); 13087 if (size == 0) { 13088 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13089 "No activity, so no need to verify any IntentFilter!"); 13090 return; 13091 } 13092 13093 final boolean hasDomainURLs = hasDomainURLs(pkg); 13094 if (!hasDomainURLs) { 13095 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13096 "No domain URLs, so no need to verify any IntentFilter!"); 13097 return; 13098 } 13099 13100 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 13101 + " if any IntentFilter from the " + size 13102 + " Activities needs verification ..."); 13103 13104 int count = 0; 13105 final String packageName = pkg.packageName; 13106 13107 synchronized (mPackages) { 13108 // If this is a new install and we see that we've already run verification for this 13109 // package, we have nothing to do: it means the state was restored from backup. 13110 if (!replacing) { 13111 IntentFilterVerificationInfo ivi = 13112 mSettings.getIntentFilterVerificationLPr(packageName); 13113 if (ivi != null) { 13114 if (DEBUG_DOMAIN_VERIFICATION) { 13115 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 13116 + ivi.getStatusString()); 13117 } 13118 return; 13119 } 13120 } 13121 13122 // If any filters need to be verified, then all need to be. 13123 boolean needToVerify = false; 13124 for (PackageParser.Activity a : pkg.activities) { 13125 for (ActivityIntentInfo filter : a.intents) { 13126 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 13127 if (DEBUG_DOMAIN_VERIFICATION) { 13128 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 13129 } 13130 needToVerify = true; 13131 break; 13132 } 13133 } 13134 } 13135 13136 if (needToVerify) { 13137 final int verificationId = mIntentFilterVerificationToken++; 13138 for (PackageParser.Activity a : pkg.activities) { 13139 for (ActivityIntentInfo filter : a.intents) { 13140 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 13141 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13142 "Verification needed for IntentFilter:" + filter.toString()); 13143 mIntentFilterVerifier.addOneIntentFilterVerification( 13144 verifierUid, userId, verificationId, filter, packageName); 13145 count++; 13146 } 13147 } 13148 } 13149 } 13150 } 13151 13152 if (count > 0) { 13153 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 13154 + " IntentFilter verification" + (count > 1 ? "s" : "") 13155 + " for userId:" + userId); 13156 mIntentFilterVerifier.startVerifications(userId); 13157 } else { 13158 if (DEBUG_DOMAIN_VERIFICATION) { 13159 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 13160 } 13161 } 13162 } 13163 13164 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 13165 final ComponentName cn = filter.activity.getComponentName(); 13166 final String packageName = cn.getPackageName(); 13167 13168 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 13169 packageName); 13170 if (ivi == null) { 13171 return true; 13172 } 13173 int status = ivi.getStatus(); 13174 switch (status) { 13175 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 13176 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 13177 return true; 13178 13179 default: 13180 // Nothing to do 13181 return false; 13182 } 13183 } 13184 13185 private static boolean isMultiArch(ApplicationInfo info) { 13186 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 13187 } 13188 13189 private static boolean isExternal(PackageParser.Package pkg) { 13190 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13191 } 13192 13193 private static boolean isExternal(PackageSetting ps) { 13194 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13195 } 13196 13197 private static boolean isEphemeral(PackageParser.Package pkg) { 13198 return pkg.applicationInfo.isEphemeralApp(); 13199 } 13200 13201 private static boolean isEphemeral(PackageSetting ps) { 13202 return ps.pkg != null && isEphemeral(ps.pkg); 13203 } 13204 13205 private static boolean isSystemApp(PackageParser.Package pkg) { 13206 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 13207 } 13208 13209 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 13210 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13211 } 13212 13213 private static boolean hasDomainURLs(PackageParser.Package pkg) { 13214 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 13215 } 13216 13217 private static boolean isSystemApp(PackageSetting ps) { 13218 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 13219 } 13220 13221 private static boolean isUpdatedSystemApp(PackageSetting ps) { 13222 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 13223 } 13224 13225 private int packageFlagsToInstallFlags(PackageSetting ps) { 13226 int installFlags = 0; 13227 if (isEphemeral(ps)) { 13228 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13229 } 13230 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 13231 // This existing package was an external ASEC install when we have 13232 // the external flag without a UUID 13233 installFlags |= PackageManager.INSTALL_EXTERNAL; 13234 } 13235 if (ps.isForwardLocked()) { 13236 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13237 } 13238 return installFlags; 13239 } 13240 13241 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 13242 if (isExternal(pkg)) { 13243 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13244 return StorageManager.UUID_PRIMARY_PHYSICAL; 13245 } else { 13246 return pkg.volumeUuid; 13247 } 13248 } else { 13249 return StorageManager.UUID_PRIVATE_INTERNAL; 13250 } 13251 } 13252 13253 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 13254 if (isExternal(pkg)) { 13255 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13256 return mSettings.getExternalVersion(); 13257 } else { 13258 return mSettings.findOrCreateVersion(pkg.volumeUuid); 13259 } 13260 } else { 13261 return mSettings.getInternalVersion(); 13262 } 13263 } 13264 13265 private void deleteTempPackageFiles() { 13266 final FilenameFilter filter = new FilenameFilter() { 13267 public boolean accept(File dir, String name) { 13268 return name.startsWith("vmdl") && name.endsWith(".tmp"); 13269 } 13270 }; 13271 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 13272 file.delete(); 13273 } 13274 } 13275 13276 @Override 13277 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 13278 int flags) { 13279 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 13280 flags); 13281 } 13282 13283 @Override 13284 public void deletePackage(final String packageName, 13285 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 13286 mContext.enforceCallingOrSelfPermission( 13287 android.Manifest.permission.DELETE_PACKAGES, null); 13288 Preconditions.checkNotNull(packageName); 13289 Preconditions.checkNotNull(observer); 13290 final int uid = Binder.getCallingUid(); 13291 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 13292 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 13293 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 13294 mContext.enforceCallingOrSelfPermission( 13295 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 13296 "deletePackage for user " + userId); 13297 } 13298 13299 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 13300 try { 13301 observer.onPackageDeleted(packageName, 13302 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 13303 } catch (RemoteException re) { 13304 } 13305 return; 13306 } 13307 13308 for (int currentUserId : users) { 13309 if (getBlockUninstallForUser(packageName, currentUserId)) { 13310 try { 13311 observer.onPackageDeleted(packageName, 13312 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 13313 } catch (RemoteException re) { 13314 } 13315 return; 13316 } 13317 } 13318 13319 if (DEBUG_REMOVE) { 13320 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 13321 } 13322 // Queue up an async operation since the package deletion may take a little while. 13323 mHandler.post(new Runnable() { 13324 public void run() { 13325 mHandler.removeCallbacks(this); 13326 final int returnCode = deletePackageX(packageName, userId, flags); 13327 try { 13328 observer.onPackageDeleted(packageName, returnCode, null); 13329 } catch (RemoteException e) { 13330 Log.i(TAG, "Observer no longer exists."); 13331 } //end catch 13332 } //end run 13333 }); 13334 } 13335 13336 private boolean isPackageDeviceAdmin(String packageName, int userId) { 13337 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13338 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13339 try { 13340 if (dpm != null) { 13341 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 13342 /* callingUserOnly =*/ false); 13343 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 13344 : deviceOwnerComponentName.getPackageName(); 13345 // Does the package contains the device owner? 13346 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 13347 // this check is probably not needed, since DO should be registered as a device 13348 // admin on some user too. (Original bug for this: b/17657954) 13349 if (packageName.equals(deviceOwnerPackageName)) { 13350 return true; 13351 } 13352 // Does it contain a device admin for any user? 13353 int[] users; 13354 if (userId == UserHandle.USER_ALL) { 13355 users = sUserManager.getUserIds(); 13356 } else { 13357 users = new int[]{userId}; 13358 } 13359 for (int i = 0; i < users.length; ++i) { 13360 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 13361 return true; 13362 } 13363 } 13364 } 13365 } catch (RemoteException e) { 13366 } 13367 return false; 13368 } 13369 13370 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 13371 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 13372 } 13373 13374 /** 13375 * This method is an internal method that could be get invoked either 13376 * to delete an installed package or to clean up a failed installation. 13377 * After deleting an installed package, a broadcast is sent to notify any 13378 * listeners that the package has been installed. For cleaning up a failed 13379 * installation, the broadcast is not necessary since the package's 13380 * installation wouldn't have sent the initial broadcast either 13381 * The key steps in deleting a package are 13382 * deleting the package information in internal structures like mPackages, 13383 * deleting the packages base directories through installd 13384 * updating mSettings to reflect current status 13385 * persisting settings for later use 13386 * sending a broadcast if necessary 13387 */ 13388 private int deletePackageX(String packageName, int userId, int flags) { 13389 final PackageRemovedInfo info = new PackageRemovedInfo(); 13390 final boolean res; 13391 13392 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 13393 ? UserHandle.ALL : new UserHandle(userId); 13394 13395 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 13396 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 13397 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 13398 } 13399 13400 boolean removedForAllUsers = false; 13401 boolean systemUpdate = false; 13402 13403 PackageParser.Package uninstalledPkg; 13404 13405 // for the uninstall-updates case and restricted profiles, remember the per- 13406 // userhandle installed state 13407 int[] allUsers; 13408 boolean[] perUserInstalled; 13409 synchronized (mPackages) { 13410 uninstalledPkg = mPackages.get(packageName); 13411 PackageSetting ps = mSettings.mPackages.get(packageName); 13412 allUsers = sUserManager.getUserIds(); 13413 perUserInstalled = new boolean[allUsers.length]; 13414 for (int i = 0; i < allUsers.length; i++) { 13415 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 13416 } 13417 } 13418 13419 synchronized (mInstallLock) { 13420 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 13421 res = deletePackageLI(packageName, removeForUser, 13422 true, allUsers, perUserInstalled, 13423 flags | REMOVE_CHATTY, info, true); 13424 systemUpdate = info.isRemovedPackageSystemUpdate; 13425 synchronized (mPackages) { 13426 if (res) { 13427 if (!systemUpdate && mPackages.get(packageName) == null) { 13428 removedForAllUsers = true; 13429 } 13430 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPkg); 13431 } 13432 } 13433 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 13434 + " removedForAllUsers=" + removedForAllUsers); 13435 } 13436 13437 if (res) { 13438 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 13439 13440 // If the removed package was a system update, the old system package 13441 // was re-enabled; we need to broadcast this information 13442 if (systemUpdate) { 13443 Bundle extras = new Bundle(1); 13444 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 13445 ? info.removedAppId : info.uid); 13446 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13447 13448 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 13449 extras, 0, null, null, null); 13450 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 13451 extras, 0, null, null, null); 13452 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 13453 null, 0, packageName, null, null); 13454 } 13455 } 13456 // Force a gc here. 13457 Runtime.getRuntime().gc(); 13458 // Delete the resources here after sending the broadcast to let 13459 // other processes clean up before deleting resources. 13460 if (info.args != null) { 13461 synchronized (mInstallLock) { 13462 info.args.doPostDeleteLI(true); 13463 } 13464 } 13465 13466 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 13467 } 13468 13469 class PackageRemovedInfo { 13470 String removedPackage; 13471 int uid = -1; 13472 int removedAppId = -1; 13473 int[] removedUsers = null; 13474 boolean isRemovedPackageSystemUpdate = false; 13475 // Clean up resources deleted packages. 13476 InstallArgs args = null; 13477 13478 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 13479 Bundle extras = new Bundle(1); 13480 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 13481 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 13482 if (replacing) { 13483 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13484 } 13485 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 13486 if (removedPackage != null) { 13487 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 13488 extras, 0, null, null, removedUsers); 13489 if (fullRemove && !replacing) { 13490 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 13491 extras, 0, null, null, removedUsers); 13492 } 13493 } 13494 if (removedAppId >= 0) { 13495 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 13496 removedUsers); 13497 } 13498 } 13499 } 13500 13501 /* 13502 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 13503 * flag is not set, the data directory is removed as well. 13504 * make sure this flag is set for partially installed apps. If not its meaningless to 13505 * delete a partially installed application. 13506 */ 13507 private void removePackageDataLI(PackageSetting ps, 13508 int[] allUserHandles, boolean[] perUserInstalled, 13509 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 13510 String packageName = ps.name; 13511 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 13512 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 13513 // Retrieve object to delete permissions for shared user later on 13514 final PackageSetting deletedPs; 13515 // reader 13516 synchronized (mPackages) { 13517 deletedPs = mSettings.mPackages.get(packageName); 13518 if (outInfo != null) { 13519 outInfo.removedPackage = packageName; 13520 outInfo.removedUsers = deletedPs != null 13521 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 13522 : null; 13523 } 13524 } 13525 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13526 removeDataDirsLI(ps.volumeUuid, packageName); 13527 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 13528 } 13529 // writer 13530 synchronized (mPackages) { 13531 if (deletedPs != null) { 13532 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13533 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 13534 clearDefaultBrowserIfNeeded(packageName); 13535 if (outInfo != null) { 13536 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 13537 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 13538 } 13539 updatePermissionsLPw(deletedPs.name, null, 0); 13540 if (deletedPs.sharedUser != null) { 13541 // Remove permissions associated with package. Since runtime 13542 // permissions are per user we have to kill the removed package 13543 // or packages running under the shared user of the removed 13544 // package if revoking the permissions requested only by the removed 13545 // package is successful and this causes a change in gids. 13546 for (int userId : UserManagerService.getInstance().getUserIds()) { 13547 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 13548 userId); 13549 if (userIdToKill == UserHandle.USER_ALL 13550 || userIdToKill >= UserHandle.USER_SYSTEM) { 13551 // If gids changed for this user, kill all affected packages. 13552 mHandler.post(new Runnable() { 13553 @Override 13554 public void run() { 13555 // This has to happen with no lock held. 13556 killApplication(deletedPs.name, deletedPs.appId, 13557 KILL_APP_REASON_GIDS_CHANGED); 13558 } 13559 }); 13560 break; 13561 } 13562 } 13563 } 13564 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 13565 } 13566 // make sure to preserve per-user disabled state if this removal was just 13567 // a downgrade of a system app to the factory package 13568 if (allUserHandles != null && perUserInstalled != null) { 13569 if (DEBUG_REMOVE) { 13570 Slog.d(TAG, "Propagating install state across downgrade"); 13571 } 13572 for (int i = 0; i < allUserHandles.length; i++) { 13573 if (DEBUG_REMOVE) { 13574 Slog.d(TAG, " user " + allUserHandles[i] 13575 + " => " + perUserInstalled[i]); 13576 } 13577 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13578 } 13579 } 13580 } 13581 // can downgrade to reader 13582 if (writeSettings) { 13583 // Save settings now 13584 mSettings.writeLPr(); 13585 } 13586 } 13587 if (outInfo != null) { 13588 // A user ID was deleted here. Go through all users and remove it 13589 // from KeyStore. 13590 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 13591 } 13592 } 13593 13594 static boolean locationIsPrivileged(File path) { 13595 try { 13596 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 13597 .getCanonicalPath(); 13598 return path.getCanonicalPath().startsWith(privilegedAppDir); 13599 } catch (IOException e) { 13600 Slog.e(TAG, "Unable to access code path " + path); 13601 } 13602 return false; 13603 } 13604 13605 /* 13606 * Tries to delete system package. 13607 */ 13608 private boolean deleteSystemPackageLI(PackageSetting newPs, 13609 int[] allUserHandles, boolean[] perUserInstalled, 13610 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 13611 final boolean applyUserRestrictions 13612 = (allUserHandles != null) && (perUserInstalled != null); 13613 PackageSetting disabledPs = null; 13614 // Confirm if the system package has been updated 13615 // An updated system app can be deleted. This will also have to restore 13616 // the system pkg from system partition 13617 // reader 13618 synchronized (mPackages) { 13619 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 13620 } 13621 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 13622 + " disabledPs=" + disabledPs); 13623 if (disabledPs == null) { 13624 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 13625 return false; 13626 } else if (DEBUG_REMOVE) { 13627 Slog.d(TAG, "Deleting system pkg from data partition"); 13628 } 13629 if (DEBUG_REMOVE) { 13630 if (applyUserRestrictions) { 13631 Slog.d(TAG, "Remembering install states:"); 13632 for (int i = 0; i < allUserHandles.length; i++) { 13633 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 13634 } 13635 } 13636 } 13637 // Delete the updated package 13638 outInfo.isRemovedPackageSystemUpdate = true; 13639 if (disabledPs.versionCode < newPs.versionCode) { 13640 // Delete data for downgrades 13641 flags &= ~PackageManager.DELETE_KEEP_DATA; 13642 } else { 13643 // Preserve data by setting flag 13644 flags |= PackageManager.DELETE_KEEP_DATA; 13645 } 13646 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13647 allUserHandles, perUserInstalled, outInfo, writeSettings); 13648 if (!ret) { 13649 return false; 13650 } 13651 // writer 13652 synchronized (mPackages) { 13653 // Reinstate the old system package 13654 mSettings.enableSystemPackageLPw(newPs.name); 13655 // Remove any native libraries from the upgraded package. 13656 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13657 } 13658 // Install the system package 13659 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13660 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13661 if (locationIsPrivileged(disabledPs.codePath)) { 13662 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13663 } 13664 13665 final PackageParser.Package newPkg; 13666 try { 13667 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13668 } catch (PackageManagerException e) { 13669 Slog.w(TAG, "Failed to restore system package " + newPs.name + ": " + e.getMessage()); 13670 return false; 13671 } 13672 13673 // writer 13674 synchronized (mPackages) { 13675 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13676 13677 // Propagate the permissions state as we do not want to drop on the floor 13678 // runtime permissions. The update permissions method below will take 13679 // care of removing obsolete permissions and grant install permissions. 13680 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13681 updatePermissionsLPw(newPkg.packageName, newPkg, 13682 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13683 13684 if (applyUserRestrictions) { 13685 if (DEBUG_REMOVE) { 13686 Slog.d(TAG, "Propagating install state across reinstall"); 13687 } 13688 for (int i = 0; i < allUserHandles.length; i++) { 13689 if (DEBUG_REMOVE) { 13690 Slog.d(TAG, " user " + allUserHandles[i] 13691 + " => " + perUserInstalled[i]); 13692 } 13693 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13694 13695 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13696 } 13697 // Regardless of writeSettings we need to ensure that this restriction 13698 // state propagation is persisted 13699 mSettings.writeAllUsersPackageRestrictionsLPr(); 13700 } 13701 // can downgrade to reader here 13702 if (writeSettings) { 13703 mSettings.writeLPr(); 13704 } 13705 } 13706 return true; 13707 } 13708 13709 private boolean deleteInstalledPackageLI(PackageSetting ps, 13710 boolean deleteCodeAndResources, int flags, 13711 int[] allUserHandles, boolean[] perUserInstalled, 13712 PackageRemovedInfo outInfo, boolean writeSettings) { 13713 if (outInfo != null) { 13714 outInfo.uid = ps.appId; 13715 } 13716 13717 // Delete package data from internal structures and also remove data if flag is set 13718 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13719 13720 // Delete application code and resources 13721 if (deleteCodeAndResources && (outInfo != null)) { 13722 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13723 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13724 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13725 } 13726 return true; 13727 } 13728 13729 @Override 13730 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13731 int userId) { 13732 mContext.enforceCallingOrSelfPermission( 13733 android.Manifest.permission.DELETE_PACKAGES, null); 13734 synchronized (mPackages) { 13735 PackageSetting ps = mSettings.mPackages.get(packageName); 13736 if (ps == null) { 13737 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13738 return false; 13739 } 13740 if (!ps.getInstalled(userId)) { 13741 // Can't block uninstall for an app that is not installed or enabled. 13742 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13743 return false; 13744 } 13745 ps.setBlockUninstall(blockUninstall, userId); 13746 mSettings.writePackageRestrictionsLPr(userId); 13747 } 13748 return true; 13749 } 13750 13751 @Override 13752 public boolean getBlockUninstallForUser(String packageName, int userId) { 13753 synchronized (mPackages) { 13754 PackageSetting ps = mSettings.mPackages.get(packageName); 13755 if (ps == null) { 13756 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13757 return false; 13758 } 13759 return ps.getBlockUninstall(userId); 13760 } 13761 } 13762 13763 @Override 13764 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 13765 int callingUid = Binder.getCallingUid(); 13766 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 13767 throw new SecurityException( 13768 "setRequiredForSystemUser can only be run by the system or root"); 13769 } 13770 synchronized (mPackages) { 13771 PackageSetting ps = mSettings.mPackages.get(packageName); 13772 if (ps == null) { 13773 Log.w(TAG, "Package doesn't exist: " + packageName); 13774 return false; 13775 } 13776 if (systemUserApp) { 13777 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13778 } else { 13779 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13780 } 13781 mSettings.writeLPr(); 13782 } 13783 return true; 13784 } 13785 13786 /* 13787 * This method handles package deletion in general 13788 */ 13789 private boolean deletePackageLI(String packageName, UserHandle user, 13790 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13791 int flags, PackageRemovedInfo outInfo, 13792 boolean writeSettings) { 13793 if (packageName == null) { 13794 Slog.w(TAG, "Attempt to delete null packageName."); 13795 return false; 13796 } 13797 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13798 PackageSetting ps; 13799 boolean dataOnly = false; 13800 int removeUser = -1; 13801 int appId = -1; 13802 synchronized (mPackages) { 13803 ps = mSettings.mPackages.get(packageName); 13804 if (ps == null) { 13805 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13806 return false; 13807 } 13808 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13809 && user.getIdentifier() != UserHandle.USER_ALL) { 13810 // The caller is asking that the package only be deleted for a single 13811 // user. To do this, we just mark its uninstalled state and delete 13812 // its data. If this is a system app, we only allow this to happen if 13813 // they have set the special DELETE_SYSTEM_APP which requests different 13814 // semantics than normal for uninstalling system apps. 13815 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13816 final int userId = user.getIdentifier(); 13817 ps.setUserState(userId, 13818 COMPONENT_ENABLED_STATE_DEFAULT, 13819 false, //installed 13820 true, //stopped 13821 true, //notLaunched 13822 false, //hidden 13823 false, //suspended 13824 null, null, null, 13825 false, // blockUninstall 13826 ps.readUserState(userId).domainVerificationStatus, 0); 13827 if (!isSystemApp(ps)) { 13828 // Do not uninstall the APK if an app should be cached 13829 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 13830 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 13831 // Other user still have this package installed, so all 13832 // we need to do is clear this user's data and save that 13833 // it is uninstalled. 13834 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13835 removeUser = user.getIdentifier(); 13836 appId = ps.appId; 13837 scheduleWritePackageRestrictionsLocked(removeUser); 13838 } else { 13839 // We need to set it back to 'installed' so the uninstall 13840 // broadcasts will be sent correctly. 13841 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13842 ps.setInstalled(true, user.getIdentifier()); 13843 } 13844 } else { 13845 // This is a system app, so we assume that the 13846 // other users still have this package installed, so all 13847 // we need to do is clear this user's data and save that 13848 // it is uninstalled. 13849 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13850 removeUser = user.getIdentifier(); 13851 appId = ps.appId; 13852 scheduleWritePackageRestrictionsLocked(removeUser); 13853 } 13854 } 13855 } 13856 13857 if (removeUser >= 0) { 13858 // From above, we determined that we are deleting this only 13859 // for a single user. Continue the work here. 13860 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13861 if (outInfo != null) { 13862 outInfo.removedPackage = packageName; 13863 outInfo.removedAppId = appId; 13864 outInfo.removedUsers = new int[] {removeUser}; 13865 } 13866 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13867 removeKeystoreDataIfNeeded(removeUser, appId); 13868 schedulePackageCleaning(packageName, removeUser, false); 13869 synchronized (mPackages) { 13870 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13871 scheduleWritePackageRestrictionsLocked(removeUser); 13872 } 13873 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13874 } 13875 return true; 13876 } 13877 13878 if (dataOnly) { 13879 // Delete application data first 13880 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13881 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13882 return true; 13883 } 13884 13885 boolean ret = false; 13886 if (isSystemApp(ps)) { 13887 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 13888 // When an updated system application is deleted we delete the existing resources as well and 13889 // fall back to existing code in system partition 13890 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13891 flags, outInfo, writeSettings); 13892 } else { 13893 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 13894 // Kill application pre-emptively especially for apps on sd. 13895 killApplication(packageName, ps.appId, "uninstall pkg"); 13896 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13897 allUserHandles, perUserInstalled, 13898 outInfo, writeSettings); 13899 } 13900 13901 return ret; 13902 } 13903 13904 private final static class ClearStorageConnection implements ServiceConnection { 13905 IMediaContainerService mContainerService; 13906 13907 @Override 13908 public void onServiceConnected(ComponentName name, IBinder service) { 13909 synchronized (this) { 13910 mContainerService = IMediaContainerService.Stub.asInterface(service); 13911 notifyAll(); 13912 } 13913 } 13914 13915 @Override 13916 public void onServiceDisconnected(ComponentName name) { 13917 } 13918 } 13919 13920 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13921 final boolean mounted; 13922 if (Environment.isExternalStorageEmulated()) { 13923 mounted = true; 13924 } else { 13925 final String status = Environment.getExternalStorageState(); 13926 13927 mounted = status.equals(Environment.MEDIA_MOUNTED) 13928 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13929 } 13930 13931 if (!mounted) { 13932 return; 13933 } 13934 13935 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13936 int[] users; 13937 if (userId == UserHandle.USER_ALL) { 13938 users = sUserManager.getUserIds(); 13939 } else { 13940 users = new int[] { userId }; 13941 } 13942 final ClearStorageConnection conn = new ClearStorageConnection(); 13943 if (mContext.bindServiceAsUser( 13944 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 13945 try { 13946 for (int curUser : users) { 13947 long timeout = SystemClock.uptimeMillis() + 5000; 13948 synchronized (conn) { 13949 long now = SystemClock.uptimeMillis(); 13950 while (conn.mContainerService == null && now < timeout) { 13951 try { 13952 conn.wait(timeout - now); 13953 } catch (InterruptedException e) { 13954 } 13955 } 13956 } 13957 if (conn.mContainerService == null) { 13958 return; 13959 } 13960 13961 final UserEnvironment userEnv = new UserEnvironment(curUser); 13962 clearDirectory(conn.mContainerService, 13963 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13964 if (allData) { 13965 clearDirectory(conn.mContainerService, 13966 userEnv.buildExternalStorageAppDataDirs(packageName)); 13967 clearDirectory(conn.mContainerService, 13968 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13969 } 13970 } 13971 } finally { 13972 mContext.unbindService(conn); 13973 } 13974 } 13975 } 13976 13977 @Override 13978 public void clearApplicationUserData(final String packageName, 13979 final IPackageDataObserver observer, final int userId) { 13980 mContext.enforceCallingOrSelfPermission( 13981 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13982 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13983 // Queue up an async operation since the package deletion may take a little while. 13984 mHandler.post(new Runnable() { 13985 public void run() { 13986 mHandler.removeCallbacks(this); 13987 final boolean succeeded; 13988 synchronized (mInstallLock) { 13989 succeeded = clearApplicationUserDataLI(packageName, userId); 13990 } 13991 clearExternalStorageDataSync(packageName, userId, true); 13992 if (succeeded) { 13993 // invoke DeviceStorageMonitor's update method to clear any notifications 13994 DeviceStorageMonitorInternal 13995 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13996 if (dsm != null) { 13997 dsm.checkMemory(); 13998 } 13999 } 14000 if(observer != null) { 14001 try { 14002 observer.onRemoveCompleted(packageName, succeeded); 14003 } catch (RemoteException e) { 14004 Log.i(TAG, "Observer no longer exists."); 14005 } 14006 } //end if observer 14007 } //end run 14008 }); 14009 } 14010 14011 private boolean clearApplicationUserDataLI(String packageName, int userId) { 14012 if (packageName == null) { 14013 Slog.w(TAG, "Attempt to delete null packageName."); 14014 return false; 14015 } 14016 14017 // Try finding details about the requested package 14018 PackageParser.Package pkg; 14019 synchronized (mPackages) { 14020 pkg = mPackages.get(packageName); 14021 if (pkg == null) { 14022 final PackageSetting ps = mSettings.mPackages.get(packageName); 14023 if (ps != null) { 14024 pkg = ps.pkg; 14025 } 14026 } 14027 14028 if (pkg == null) { 14029 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 14030 return false; 14031 } 14032 14033 PackageSetting ps = (PackageSetting) pkg.mExtras; 14034 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 14035 } 14036 14037 // Always delete data directories for package, even if we found no other 14038 // record of app. This helps users recover from UID mismatches without 14039 // resorting to a full data wipe. 14040 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 14041 if (retCode < 0) { 14042 Slog.w(TAG, "Couldn't remove cache files for package " + packageName); 14043 return false; 14044 } 14045 14046 final int appId = pkg.applicationInfo.uid; 14047 removeKeystoreDataIfNeeded(userId, appId); 14048 14049 // Create a native library symlink only if we have native libraries 14050 // and if the native libraries are 32 bit libraries. We do not provide 14051 // this symlink for 64 bit libraries. 14052 if (pkg.applicationInfo.primaryCpuAbi != null && 14053 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 14054 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 14055 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 14056 nativeLibPath, userId) < 0) { 14057 Slog.w(TAG, "Failed linking native library dir"); 14058 return false; 14059 } 14060 } 14061 14062 return true; 14063 } 14064 14065 /** 14066 * Reverts user permission state changes (permissions and flags) in 14067 * all packages for a given user. 14068 * 14069 * @param userId The device user for which to do a reset. 14070 */ 14071 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 14072 final int packageCount = mPackages.size(); 14073 for (int i = 0; i < packageCount; i++) { 14074 PackageParser.Package pkg = mPackages.valueAt(i); 14075 PackageSetting ps = (PackageSetting) pkg.mExtras; 14076 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 14077 } 14078 } 14079 14080 /** 14081 * Reverts user permission state changes (permissions and flags). 14082 * 14083 * @param ps The package for which to reset. 14084 * @param userId The device user for which to do a reset. 14085 */ 14086 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 14087 final PackageSetting ps, final int userId) { 14088 if (ps.pkg == null) { 14089 return; 14090 } 14091 14092 // These are flags that can change base on user actions. 14093 final int userSettableMask = FLAG_PERMISSION_USER_SET 14094 | FLAG_PERMISSION_USER_FIXED 14095 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 14096 | FLAG_PERMISSION_REVIEW_REQUIRED; 14097 14098 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 14099 | FLAG_PERMISSION_POLICY_FIXED; 14100 14101 boolean writeInstallPermissions = false; 14102 boolean writeRuntimePermissions = false; 14103 14104 final int permissionCount = ps.pkg.requestedPermissions.size(); 14105 for (int i = 0; i < permissionCount; i++) { 14106 String permission = ps.pkg.requestedPermissions.get(i); 14107 14108 BasePermission bp = mSettings.mPermissions.get(permission); 14109 if (bp == null) { 14110 continue; 14111 } 14112 14113 // If shared user we just reset the state to which only this app contributed. 14114 if (ps.sharedUser != null) { 14115 boolean used = false; 14116 final int packageCount = ps.sharedUser.packages.size(); 14117 for (int j = 0; j < packageCount; j++) { 14118 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 14119 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 14120 && pkg.pkg.requestedPermissions.contains(permission)) { 14121 used = true; 14122 break; 14123 } 14124 } 14125 if (used) { 14126 continue; 14127 } 14128 } 14129 14130 PermissionsState permissionsState = ps.getPermissionsState(); 14131 14132 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 14133 14134 // Always clear the user settable flags. 14135 final boolean hasInstallState = permissionsState.getInstallPermissionState( 14136 bp.name) != null; 14137 // If permission review is enabled and this is a legacy app, mark the 14138 // permission as requiring a review as this is the initial state. 14139 int flags = 0; 14140 if (Build.PERMISSIONS_REVIEW_REQUIRED 14141 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 14142 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 14143 } 14144 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 14145 if (hasInstallState) { 14146 writeInstallPermissions = true; 14147 } else { 14148 writeRuntimePermissions = true; 14149 } 14150 } 14151 14152 // Below is only runtime permission handling. 14153 if (!bp.isRuntime()) { 14154 continue; 14155 } 14156 14157 // Never clobber system or policy. 14158 if ((oldFlags & policyOrSystemFlags) != 0) { 14159 continue; 14160 } 14161 14162 // If this permission was granted by default, make sure it is. 14163 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 14164 if (permissionsState.grantRuntimePermission(bp, userId) 14165 != PERMISSION_OPERATION_FAILURE) { 14166 writeRuntimePermissions = true; 14167 } 14168 // If permission review is enabled the permissions for a legacy apps 14169 // are represented as constantly granted runtime ones, so don't revoke. 14170 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 14171 // Otherwise, reset the permission. 14172 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 14173 switch (revokeResult) { 14174 case PERMISSION_OPERATION_SUCCESS: { 14175 writeRuntimePermissions = true; 14176 } break; 14177 14178 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 14179 writeRuntimePermissions = true; 14180 final int appId = ps.appId; 14181 mHandler.post(new Runnable() { 14182 @Override 14183 public void run() { 14184 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 14185 } 14186 }); 14187 } break; 14188 } 14189 } 14190 } 14191 14192 // Synchronously write as we are taking permissions away. 14193 if (writeRuntimePermissions) { 14194 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 14195 } 14196 14197 // Synchronously write as we are taking permissions away. 14198 if (writeInstallPermissions) { 14199 mSettings.writeLPr(); 14200 } 14201 } 14202 14203 /** 14204 * Remove entries from the keystore daemon. Will only remove it if the 14205 * {@code appId} is valid. 14206 */ 14207 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 14208 if (appId < 0) { 14209 return; 14210 } 14211 14212 final KeyStore keyStore = KeyStore.getInstance(); 14213 if (keyStore != null) { 14214 if (userId == UserHandle.USER_ALL) { 14215 for (final int individual : sUserManager.getUserIds()) { 14216 keyStore.clearUid(UserHandle.getUid(individual, appId)); 14217 } 14218 } else { 14219 keyStore.clearUid(UserHandle.getUid(userId, appId)); 14220 } 14221 } else { 14222 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 14223 } 14224 } 14225 14226 @Override 14227 public void deleteApplicationCacheFiles(final String packageName, 14228 final IPackageDataObserver observer) { 14229 mContext.enforceCallingOrSelfPermission( 14230 android.Manifest.permission.DELETE_CACHE_FILES, null); 14231 // Queue up an async operation since the package deletion may take a little while. 14232 final int userId = UserHandle.getCallingUserId(); 14233 mHandler.post(new Runnable() { 14234 public void run() { 14235 mHandler.removeCallbacks(this); 14236 final boolean succeded; 14237 synchronized (mInstallLock) { 14238 succeded = deleteApplicationCacheFilesLI(packageName, userId); 14239 } 14240 clearExternalStorageDataSync(packageName, userId, false); 14241 if (observer != null) { 14242 try { 14243 observer.onRemoveCompleted(packageName, succeded); 14244 } catch (RemoteException e) { 14245 Log.i(TAG, "Observer no longer exists."); 14246 } 14247 } //end if observer 14248 } //end run 14249 }); 14250 } 14251 14252 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 14253 if (packageName == null) { 14254 Slog.w(TAG, "Attempt to delete null packageName."); 14255 return false; 14256 } 14257 PackageParser.Package p; 14258 synchronized (mPackages) { 14259 p = mPackages.get(packageName); 14260 } 14261 if (p == null) { 14262 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14263 return false; 14264 } 14265 final ApplicationInfo applicationInfo = p.applicationInfo; 14266 if (applicationInfo == null) { 14267 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14268 return false; 14269 } 14270 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 14271 if (retCode < 0) { 14272 Slog.w(TAG, "Couldn't remove cache files for package " 14273 + packageName + " u" + userId); 14274 return false; 14275 } 14276 return true; 14277 } 14278 14279 @Override 14280 public void getPackageSizeInfo(final String packageName, int userHandle, 14281 final IPackageStatsObserver observer) { 14282 mContext.enforceCallingOrSelfPermission( 14283 android.Manifest.permission.GET_PACKAGE_SIZE, null); 14284 if (packageName == null) { 14285 throw new IllegalArgumentException("Attempt to get size of null packageName"); 14286 } 14287 14288 PackageStats stats = new PackageStats(packageName, userHandle); 14289 14290 /* 14291 * Queue up an async operation since the package measurement may take a 14292 * little while. 14293 */ 14294 Message msg = mHandler.obtainMessage(INIT_COPY); 14295 msg.obj = new MeasureParams(stats, observer); 14296 mHandler.sendMessage(msg); 14297 } 14298 14299 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 14300 PackageStats pStats) { 14301 if (packageName == null) { 14302 Slog.w(TAG, "Attempt to get size of null packageName."); 14303 return false; 14304 } 14305 PackageParser.Package p; 14306 boolean dataOnly = false; 14307 String libDirRoot = null; 14308 String asecPath = null; 14309 PackageSetting ps = null; 14310 synchronized (mPackages) { 14311 p = mPackages.get(packageName); 14312 ps = mSettings.mPackages.get(packageName); 14313 if(p == null) { 14314 dataOnly = true; 14315 if((ps == null) || (ps.pkg == null)) { 14316 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14317 return false; 14318 } 14319 p = ps.pkg; 14320 } 14321 if (ps != null) { 14322 libDirRoot = ps.legacyNativeLibraryPathString; 14323 } 14324 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 14325 final long token = Binder.clearCallingIdentity(); 14326 try { 14327 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 14328 if (secureContainerId != null) { 14329 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 14330 } 14331 } finally { 14332 Binder.restoreCallingIdentity(token); 14333 } 14334 } 14335 } 14336 String publicSrcDir = null; 14337 if(!dataOnly) { 14338 final ApplicationInfo applicationInfo = p.applicationInfo; 14339 if (applicationInfo == null) { 14340 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14341 return false; 14342 } 14343 if (p.isForwardLocked()) { 14344 publicSrcDir = applicationInfo.getBaseResourcePath(); 14345 } 14346 } 14347 // TODO: extend to measure size of split APKs 14348 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 14349 // not just the first level. 14350 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 14351 // just the primary. 14352 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 14353 14354 String apkPath; 14355 File packageDir = new File(p.codePath); 14356 14357 if (packageDir.isDirectory() && p.canHaveOatDir()) { 14358 apkPath = packageDir.getAbsolutePath(); 14359 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 14360 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 14361 libDirRoot = null; 14362 } 14363 } else { 14364 apkPath = p.baseCodePath; 14365 } 14366 14367 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, apkPath, 14368 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 14369 if (res < 0) { 14370 return false; 14371 } 14372 14373 // Fix-up for forward-locked applications in ASEC containers. 14374 if (!isExternal(p)) { 14375 pStats.codeSize += pStats.externalCodeSize; 14376 pStats.externalCodeSize = 0L; 14377 } 14378 14379 return true; 14380 } 14381 14382 14383 @Override 14384 public void addPackageToPreferred(String packageName) { 14385 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 14386 } 14387 14388 @Override 14389 public void removePackageFromPreferred(String packageName) { 14390 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 14391 } 14392 14393 @Override 14394 public List<PackageInfo> getPreferredPackages(int flags) { 14395 return new ArrayList<PackageInfo>(); 14396 } 14397 14398 private int getUidTargetSdkVersionLockedLPr(int uid) { 14399 Object obj = mSettings.getUserIdLPr(uid); 14400 if (obj instanceof SharedUserSetting) { 14401 final SharedUserSetting sus = (SharedUserSetting) obj; 14402 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 14403 final Iterator<PackageSetting> it = sus.packages.iterator(); 14404 while (it.hasNext()) { 14405 final PackageSetting ps = it.next(); 14406 if (ps.pkg != null) { 14407 int v = ps.pkg.applicationInfo.targetSdkVersion; 14408 if (v < vers) vers = v; 14409 } 14410 } 14411 return vers; 14412 } else if (obj instanceof PackageSetting) { 14413 final PackageSetting ps = (PackageSetting) obj; 14414 if (ps.pkg != null) { 14415 return ps.pkg.applicationInfo.targetSdkVersion; 14416 } 14417 } 14418 return Build.VERSION_CODES.CUR_DEVELOPMENT; 14419 } 14420 14421 @Override 14422 public void addPreferredActivity(IntentFilter filter, int match, 14423 ComponentName[] set, ComponentName activity, int userId) { 14424 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14425 "Adding preferred"); 14426 } 14427 14428 private void addPreferredActivityInternal(IntentFilter filter, int match, 14429 ComponentName[] set, ComponentName activity, boolean always, int userId, 14430 String opname) { 14431 // writer 14432 int callingUid = Binder.getCallingUid(); 14433 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 14434 if (filter.countActions() == 0) { 14435 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14436 return; 14437 } 14438 synchronized (mPackages) { 14439 if (mContext.checkCallingOrSelfPermission( 14440 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14441 != PackageManager.PERMISSION_GRANTED) { 14442 if (getUidTargetSdkVersionLockedLPr(callingUid) 14443 < Build.VERSION_CODES.FROYO) { 14444 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 14445 + callingUid); 14446 return; 14447 } 14448 mContext.enforceCallingOrSelfPermission( 14449 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14450 } 14451 14452 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 14453 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 14454 + userId + ":"); 14455 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14456 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 14457 scheduleWritePackageRestrictionsLocked(userId); 14458 } 14459 } 14460 14461 @Override 14462 public void replacePreferredActivity(IntentFilter filter, int match, 14463 ComponentName[] set, ComponentName activity, int userId) { 14464 if (filter.countActions() != 1) { 14465 throw new IllegalArgumentException( 14466 "replacePreferredActivity expects filter to have only 1 action."); 14467 } 14468 if (filter.countDataAuthorities() != 0 14469 || filter.countDataPaths() != 0 14470 || filter.countDataSchemes() > 1 14471 || filter.countDataTypes() != 0) { 14472 throw new IllegalArgumentException( 14473 "replacePreferredActivity expects filter to have no data authorities, " + 14474 "paths, or types; and at most one scheme."); 14475 } 14476 14477 final int callingUid = Binder.getCallingUid(); 14478 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 14479 synchronized (mPackages) { 14480 if (mContext.checkCallingOrSelfPermission( 14481 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14482 != PackageManager.PERMISSION_GRANTED) { 14483 if (getUidTargetSdkVersionLockedLPr(callingUid) 14484 < Build.VERSION_CODES.FROYO) { 14485 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 14486 + Binder.getCallingUid()); 14487 return; 14488 } 14489 mContext.enforceCallingOrSelfPermission( 14490 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14491 } 14492 14493 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14494 if (pir != null) { 14495 // Get all of the existing entries that exactly match this filter. 14496 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 14497 if (existing != null && existing.size() == 1) { 14498 PreferredActivity cur = existing.get(0); 14499 if (DEBUG_PREFERRED) { 14500 Slog.i(TAG, "Checking replace of preferred:"); 14501 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14502 if (!cur.mPref.mAlways) { 14503 Slog.i(TAG, " -- CUR; not mAlways!"); 14504 } else { 14505 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 14506 Slog.i(TAG, " -- CUR: mSet=" 14507 + Arrays.toString(cur.mPref.mSetComponents)); 14508 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 14509 Slog.i(TAG, " -- NEW: mMatch=" 14510 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 14511 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 14512 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 14513 } 14514 } 14515 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 14516 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 14517 && cur.mPref.sameSet(set)) { 14518 // Setting the preferred activity to what it happens to be already 14519 if (DEBUG_PREFERRED) { 14520 Slog.i(TAG, "Replacing with same preferred activity " 14521 + cur.mPref.mShortComponent + " for user " 14522 + userId + ":"); 14523 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14524 } 14525 return; 14526 } 14527 } 14528 14529 if (existing != null) { 14530 if (DEBUG_PREFERRED) { 14531 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 14532 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14533 } 14534 for (int i = 0; i < existing.size(); i++) { 14535 PreferredActivity pa = existing.get(i); 14536 if (DEBUG_PREFERRED) { 14537 Slog.i(TAG, "Removing existing preferred activity " 14538 + pa.mPref.mComponent + ":"); 14539 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 14540 } 14541 pir.removeFilter(pa); 14542 } 14543 } 14544 } 14545 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14546 "Replacing preferred"); 14547 } 14548 } 14549 14550 @Override 14551 public void clearPackagePreferredActivities(String packageName) { 14552 final int uid = Binder.getCallingUid(); 14553 // writer 14554 synchronized (mPackages) { 14555 PackageParser.Package pkg = mPackages.get(packageName); 14556 if (pkg == null || pkg.applicationInfo.uid != uid) { 14557 if (mContext.checkCallingOrSelfPermission( 14558 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14559 != PackageManager.PERMISSION_GRANTED) { 14560 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 14561 < Build.VERSION_CODES.FROYO) { 14562 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 14563 + Binder.getCallingUid()); 14564 return; 14565 } 14566 mContext.enforceCallingOrSelfPermission( 14567 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14568 } 14569 } 14570 14571 int user = UserHandle.getCallingUserId(); 14572 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 14573 scheduleWritePackageRestrictionsLocked(user); 14574 } 14575 } 14576 } 14577 14578 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14579 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 14580 ArrayList<PreferredActivity> removed = null; 14581 boolean changed = false; 14582 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14583 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 14584 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14585 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 14586 continue; 14587 } 14588 Iterator<PreferredActivity> it = pir.filterIterator(); 14589 while (it.hasNext()) { 14590 PreferredActivity pa = it.next(); 14591 // Mark entry for removal only if it matches the package name 14592 // and the entry is of type "always". 14593 if (packageName == null || 14594 (pa.mPref.mComponent.getPackageName().equals(packageName) 14595 && pa.mPref.mAlways)) { 14596 if (removed == null) { 14597 removed = new ArrayList<PreferredActivity>(); 14598 } 14599 removed.add(pa); 14600 } 14601 } 14602 if (removed != null) { 14603 for (int j=0; j<removed.size(); j++) { 14604 PreferredActivity pa = removed.get(j); 14605 pir.removeFilter(pa); 14606 } 14607 changed = true; 14608 } 14609 } 14610 return changed; 14611 } 14612 14613 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14614 private void clearIntentFilterVerificationsLPw(int userId) { 14615 final int packageCount = mPackages.size(); 14616 for (int i = 0; i < packageCount; i++) { 14617 PackageParser.Package pkg = mPackages.valueAt(i); 14618 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 14619 } 14620 } 14621 14622 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14623 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 14624 if (userId == UserHandle.USER_ALL) { 14625 if (mSettings.removeIntentFilterVerificationLPw(packageName, 14626 sUserManager.getUserIds())) { 14627 for (int oneUserId : sUserManager.getUserIds()) { 14628 scheduleWritePackageRestrictionsLocked(oneUserId); 14629 } 14630 } 14631 } else { 14632 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 14633 scheduleWritePackageRestrictionsLocked(userId); 14634 } 14635 } 14636 } 14637 14638 void clearDefaultBrowserIfNeeded(String packageName) { 14639 for (int oneUserId : sUserManager.getUserIds()) { 14640 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 14641 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 14642 if (packageName.equals(defaultBrowserPackageName)) { 14643 setDefaultBrowserPackageName(null, oneUserId); 14644 } 14645 } 14646 } 14647 14648 @Override 14649 public void resetApplicationPreferences(int userId) { 14650 mContext.enforceCallingOrSelfPermission( 14651 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14652 // writer 14653 synchronized (mPackages) { 14654 final long identity = Binder.clearCallingIdentity(); 14655 try { 14656 clearPackagePreferredActivitiesLPw(null, userId); 14657 mSettings.applyDefaultPreferredAppsLPw(this, userId); 14658 // TODO: We have to reset the default SMS and Phone. This requires 14659 // significant refactoring to keep all default apps in the package 14660 // manager (cleaner but more work) or have the services provide 14661 // callbacks to the package manager to request a default app reset. 14662 applyFactoryDefaultBrowserLPw(userId); 14663 clearIntentFilterVerificationsLPw(userId); 14664 primeDomainVerificationsLPw(userId); 14665 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 14666 scheduleWritePackageRestrictionsLocked(userId); 14667 } finally { 14668 Binder.restoreCallingIdentity(identity); 14669 } 14670 } 14671 } 14672 14673 @Override 14674 public int getPreferredActivities(List<IntentFilter> outFilters, 14675 List<ComponentName> outActivities, String packageName) { 14676 14677 int num = 0; 14678 final int userId = UserHandle.getCallingUserId(); 14679 // reader 14680 synchronized (mPackages) { 14681 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14682 if (pir != null) { 14683 final Iterator<PreferredActivity> it = pir.filterIterator(); 14684 while (it.hasNext()) { 14685 final PreferredActivity pa = it.next(); 14686 if (packageName == null 14687 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14688 && pa.mPref.mAlways)) { 14689 if (outFilters != null) { 14690 outFilters.add(new IntentFilter(pa)); 14691 } 14692 if (outActivities != null) { 14693 outActivities.add(pa.mPref.mComponent); 14694 } 14695 } 14696 } 14697 } 14698 } 14699 14700 return num; 14701 } 14702 14703 @Override 14704 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14705 int userId) { 14706 int callingUid = Binder.getCallingUid(); 14707 if (callingUid != Process.SYSTEM_UID) { 14708 throw new SecurityException( 14709 "addPersistentPreferredActivity can only be run by the system"); 14710 } 14711 if (filter.countActions() == 0) { 14712 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14713 return; 14714 } 14715 synchronized (mPackages) { 14716 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14717 ":"); 14718 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14719 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14720 new PersistentPreferredActivity(filter, activity)); 14721 scheduleWritePackageRestrictionsLocked(userId); 14722 } 14723 } 14724 14725 @Override 14726 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14727 int callingUid = Binder.getCallingUid(); 14728 if (callingUid != Process.SYSTEM_UID) { 14729 throw new SecurityException( 14730 "clearPackagePersistentPreferredActivities can only be run by the system"); 14731 } 14732 ArrayList<PersistentPreferredActivity> removed = null; 14733 boolean changed = false; 14734 synchronized (mPackages) { 14735 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14736 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14737 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14738 .valueAt(i); 14739 if (userId != thisUserId) { 14740 continue; 14741 } 14742 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14743 while (it.hasNext()) { 14744 PersistentPreferredActivity ppa = it.next(); 14745 // Mark entry for removal only if it matches the package name. 14746 if (ppa.mComponent.getPackageName().equals(packageName)) { 14747 if (removed == null) { 14748 removed = new ArrayList<PersistentPreferredActivity>(); 14749 } 14750 removed.add(ppa); 14751 } 14752 } 14753 if (removed != null) { 14754 for (int j=0; j<removed.size(); j++) { 14755 PersistentPreferredActivity ppa = removed.get(j); 14756 ppir.removeFilter(ppa); 14757 } 14758 changed = true; 14759 } 14760 } 14761 14762 if (changed) { 14763 scheduleWritePackageRestrictionsLocked(userId); 14764 } 14765 } 14766 } 14767 14768 /** 14769 * Common machinery for picking apart a restored XML blob and passing 14770 * it to a caller-supplied functor to be applied to the running system. 14771 */ 14772 private void restoreFromXml(XmlPullParser parser, int userId, 14773 String expectedStartTag, BlobXmlRestorer functor) 14774 throws IOException, XmlPullParserException { 14775 int type; 14776 while ((type = parser.next()) != XmlPullParser.START_TAG 14777 && type != XmlPullParser.END_DOCUMENT) { 14778 } 14779 if (type != XmlPullParser.START_TAG) { 14780 // oops didn't find a start tag?! 14781 if (DEBUG_BACKUP) { 14782 Slog.e(TAG, "Didn't find start tag during restore"); 14783 } 14784 return; 14785 } 14786 14787 // this is supposed to be TAG_PREFERRED_BACKUP 14788 if (!expectedStartTag.equals(parser.getName())) { 14789 if (DEBUG_BACKUP) { 14790 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14791 } 14792 return; 14793 } 14794 14795 // skip interfering stuff, then we're aligned with the backing implementation 14796 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14797 functor.apply(parser, userId); 14798 } 14799 14800 private interface BlobXmlRestorer { 14801 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14802 } 14803 14804 /** 14805 * Non-Binder method, support for the backup/restore mechanism: write the 14806 * full set of preferred activities in its canonical XML format. Returns the 14807 * XML output as a byte array, or null if there is none. 14808 */ 14809 @Override 14810 public byte[] getPreferredActivityBackup(int userId) { 14811 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14812 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14813 } 14814 14815 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14816 try { 14817 final XmlSerializer serializer = new FastXmlSerializer(); 14818 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14819 serializer.startDocument(null, true); 14820 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14821 14822 synchronized (mPackages) { 14823 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14824 } 14825 14826 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14827 serializer.endDocument(); 14828 serializer.flush(); 14829 } catch (Exception e) { 14830 if (DEBUG_BACKUP) { 14831 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14832 } 14833 return null; 14834 } 14835 14836 return dataStream.toByteArray(); 14837 } 14838 14839 @Override 14840 public void restorePreferredActivities(byte[] backup, int userId) { 14841 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14842 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14843 } 14844 14845 try { 14846 final XmlPullParser parser = Xml.newPullParser(); 14847 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14848 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14849 new BlobXmlRestorer() { 14850 @Override 14851 public void apply(XmlPullParser parser, int userId) 14852 throws XmlPullParserException, IOException { 14853 synchronized (mPackages) { 14854 mSettings.readPreferredActivitiesLPw(parser, userId); 14855 } 14856 } 14857 } ); 14858 } catch (Exception e) { 14859 if (DEBUG_BACKUP) { 14860 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14861 } 14862 } 14863 } 14864 14865 /** 14866 * Non-Binder method, support for the backup/restore mechanism: write the 14867 * default browser (etc) settings in its canonical XML format. Returns the default 14868 * browser XML representation as a byte array, or null if there is none. 14869 */ 14870 @Override 14871 public byte[] getDefaultAppsBackup(int userId) { 14872 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14873 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14874 } 14875 14876 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14877 try { 14878 final XmlSerializer serializer = new FastXmlSerializer(); 14879 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14880 serializer.startDocument(null, true); 14881 serializer.startTag(null, TAG_DEFAULT_APPS); 14882 14883 synchronized (mPackages) { 14884 mSettings.writeDefaultAppsLPr(serializer, userId); 14885 } 14886 14887 serializer.endTag(null, TAG_DEFAULT_APPS); 14888 serializer.endDocument(); 14889 serializer.flush(); 14890 } catch (Exception e) { 14891 if (DEBUG_BACKUP) { 14892 Slog.e(TAG, "Unable to write default apps for backup", e); 14893 } 14894 return null; 14895 } 14896 14897 return dataStream.toByteArray(); 14898 } 14899 14900 @Override 14901 public void restoreDefaultApps(byte[] backup, int userId) { 14902 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14903 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14904 } 14905 14906 try { 14907 final XmlPullParser parser = Xml.newPullParser(); 14908 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14909 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14910 new BlobXmlRestorer() { 14911 @Override 14912 public void apply(XmlPullParser parser, int userId) 14913 throws XmlPullParserException, IOException { 14914 synchronized (mPackages) { 14915 mSettings.readDefaultAppsLPw(parser, userId); 14916 } 14917 } 14918 } ); 14919 } catch (Exception e) { 14920 if (DEBUG_BACKUP) { 14921 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14922 } 14923 } 14924 } 14925 14926 @Override 14927 public byte[] getIntentFilterVerificationBackup(int userId) { 14928 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14929 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14930 } 14931 14932 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14933 try { 14934 final XmlSerializer serializer = new FastXmlSerializer(); 14935 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14936 serializer.startDocument(null, true); 14937 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14938 14939 synchronized (mPackages) { 14940 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14941 } 14942 14943 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14944 serializer.endDocument(); 14945 serializer.flush(); 14946 } catch (Exception e) { 14947 if (DEBUG_BACKUP) { 14948 Slog.e(TAG, "Unable to write default apps for backup", e); 14949 } 14950 return null; 14951 } 14952 14953 return dataStream.toByteArray(); 14954 } 14955 14956 @Override 14957 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14958 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14959 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14960 } 14961 14962 try { 14963 final XmlPullParser parser = Xml.newPullParser(); 14964 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14965 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14966 new BlobXmlRestorer() { 14967 @Override 14968 public void apply(XmlPullParser parser, int userId) 14969 throws XmlPullParserException, IOException { 14970 synchronized (mPackages) { 14971 mSettings.readAllDomainVerificationsLPr(parser, userId); 14972 mSettings.writeLPr(); 14973 } 14974 } 14975 } ); 14976 } catch (Exception e) { 14977 if (DEBUG_BACKUP) { 14978 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14979 } 14980 } 14981 } 14982 14983 @Override 14984 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14985 int sourceUserId, int targetUserId, int flags) { 14986 mContext.enforceCallingOrSelfPermission( 14987 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14988 int callingUid = Binder.getCallingUid(); 14989 enforceOwnerRights(ownerPackage, callingUid); 14990 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14991 if (intentFilter.countActions() == 0) { 14992 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14993 return; 14994 } 14995 synchronized (mPackages) { 14996 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14997 ownerPackage, targetUserId, flags); 14998 CrossProfileIntentResolver resolver = 14999 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 15000 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 15001 // We have all those whose filter is equal. Now checking if the rest is equal as well. 15002 if (existing != null) { 15003 int size = existing.size(); 15004 for (int i = 0; i < size; i++) { 15005 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 15006 return; 15007 } 15008 } 15009 } 15010 resolver.addFilter(newFilter); 15011 scheduleWritePackageRestrictionsLocked(sourceUserId); 15012 } 15013 } 15014 15015 @Override 15016 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 15017 mContext.enforceCallingOrSelfPermission( 15018 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 15019 int callingUid = Binder.getCallingUid(); 15020 enforceOwnerRights(ownerPackage, callingUid); 15021 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 15022 synchronized (mPackages) { 15023 CrossProfileIntentResolver resolver = 15024 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 15025 ArraySet<CrossProfileIntentFilter> set = 15026 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 15027 for (CrossProfileIntentFilter filter : set) { 15028 if (filter.getOwnerPackage().equals(ownerPackage)) { 15029 resolver.removeFilter(filter); 15030 } 15031 } 15032 scheduleWritePackageRestrictionsLocked(sourceUserId); 15033 } 15034 } 15035 15036 // Enforcing that callingUid is owning pkg on userId 15037 private void enforceOwnerRights(String pkg, int callingUid) { 15038 // The system owns everything. 15039 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 15040 return; 15041 } 15042 int callingUserId = UserHandle.getUserId(callingUid); 15043 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 15044 if (pi == null) { 15045 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 15046 + callingUserId); 15047 } 15048 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 15049 throw new SecurityException("Calling uid " + callingUid 15050 + " does not own package " + pkg); 15051 } 15052 } 15053 15054 @Override 15055 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 15056 Intent intent = new Intent(Intent.ACTION_MAIN); 15057 intent.addCategory(Intent.CATEGORY_HOME); 15058 15059 final int callingUserId = UserHandle.getCallingUserId(); 15060 List<ResolveInfo> list = queryIntentActivities(intent, null, 15061 PackageManager.GET_META_DATA, callingUserId); 15062 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 15063 true, false, false, callingUserId); 15064 15065 allHomeCandidates.clear(); 15066 if (list != null) { 15067 for (ResolveInfo ri : list) { 15068 allHomeCandidates.add(ri); 15069 } 15070 } 15071 return (preferred == null || preferred.activityInfo == null) 15072 ? null 15073 : new ComponentName(preferred.activityInfo.packageName, 15074 preferred.activityInfo.name); 15075 } 15076 15077 @Override 15078 public void setApplicationEnabledSetting(String appPackageName, 15079 int newState, int flags, int userId, String callingPackage) { 15080 if (!sUserManager.exists(userId)) return; 15081 if (callingPackage == null) { 15082 callingPackage = Integer.toString(Binder.getCallingUid()); 15083 } 15084 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 15085 } 15086 15087 @Override 15088 public void setComponentEnabledSetting(ComponentName componentName, 15089 int newState, int flags, int userId) { 15090 if (!sUserManager.exists(userId)) return; 15091 setEnabledSetting(componentName.getPackageName(), 15092 componentName.getClassName(), newState, flags, userId, null); 15093 } 15094 15095 private void setEnabledSetting(final String packageName, String className, int newState, 15096 final int flags, int userId, String callingPackage) { 15097 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 15098 || newState == COMPONENT_ENABLED_STATE_ENABLED 15099 || newState == COMPONENT_ENABLED_STATE_DISABLED 15100 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 15101 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 15102 throw new IllegalArgumentException("Invalid new component state: " 15103 + newState); 15104 } 15105 PackageSetting pkgSetting; 15106 final int uid = Binder.getCallingUid(); 15107 final int permission = mContext.checkCallingOrSelfPermission( 15108 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15109 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 15110 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15111 boolean sendNow = false; 15112 boolean isApp = (className == null); 15113 String componentName = isApp ? packageName : className; 15114 int packageUid = -1; 15115 ArrayList<String> components; 15116 15117 // writer 15118 synchronized (mPackages) { 15119 pkgSetting = mSettings.mPackages.get(packageName); 15120 if (pkgSetting == null) { 15121 if (className == null) { 15122 throw new IllegalArgumentException("Unknown package: " + packageName); 15123 } 15124 throw new IllegalArgumentException( 15125 "Unknown component: " + packageName + "/" + className); 15126 } 15127 // Allow root and verify that userId is not being specified by a different user 15128 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 15129 throw new SecurityException( 15130 "Permission Denial: attempt to change component state from pid=" 15131 + Binder.getCallingPid() 15132 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 15133 } 15134 if (className == null) { 15135 // We're dealing with an application/package level state change 15136 if (pkgSetting.getEnabled(userId) == newState) { 15137 // Nothing to do 15138 return; 15139 } 15140 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 15141 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 15142 // Don't care about who enables an app. 15143 callingPackage = null; 15144 } 15145 pkgSetting.setEnabled(newState, userId, callingPackage); 15146 // pkgSetting.pkg.mSetEnabled = newState; 15147 } else { 15148 // We're dealing with a component level state change 15149 // First, verify that this is a valid class name. 15150 PackageParser.Package pkg = pkgSetting.pkg; 15151 if (pkg == null || !pkg.hasComponentClassName(className)) { 15152 if (pkg != null && 15153 pkg.applicationInfo.targetSdkVersion >= 15154 Build.VERSION_CODES.JELLY_BEAN) { 15155 throw new IllegalArgumentException("Component class " + className 15156 + " does not exist in " + packageName); 15157 } else { 15158 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 15159 + className + " does not exist in " + packageName); 15160 } 15161 } 15162 switch (newState) { 15163 case COMPONENT_ENABLED_STATE_ENABLED: 15164 if (!pkgSetting.enableComponentLPw(className, userId)) { 15165 return; 15166 } 15167 break; 15168 case COMPONENT_ENABLED_STATE_DISABLED: 15169 if (!pkgSetting.disableComponentLPw(className, userId)) { 15170 return; 15171 } 15172 break; 15173 case COMPONENT_ENABLED_STATE_DEFAULT: 15174 if (!pkgSetting.restoreComponentLPw(className, userId)) { 15175 return; 15176 } 15177 break; 15178 default: 15179 Slog.e(TAG, "Invalid new component state: " + newState); 15180 return; 15181 } 15182 } 15183 scheduleWritePackageRestrictionsLocked(userId); 15184 components = mPendingBroadcasts.get(userId, packageName); 15185 final boolean newPackage = components == null; 15186 if (newPackage) { 15187 components = new ArrayList<String>(); 15188 } 15189 if (!components.contains(componentName)) { 15190 components.add(componentName); 15191 } 15192 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 15193 sendNow = true; 15194 // Purge entry from pending broadcast list if another one exists already 15195 // since we are sending one right away. 15196 mPendingBroadcasts.remove(userId, packageName); 15197 } else { 15198 if (newPackage) { 15199 mPendingBroadcasts.put(userId, packageName, components); 15200 } 15201 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 15202 // Schedule a message 15203 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 15204 } 15205 } 15206 } 15207 15208 long callingId = Binder.clearCallingIdentity(); 15209 try { 15210 if (sendNow) { 15211 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 15212 sendPackageChangedBroadcast(packageName, 15213 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 15214 } 15215 } finally { 15216 Binder.restoreCallingIdentity(callingId); 15217 } 15218 } 15219 15220 private void sendPackageChangedBroadcast(String packageName, 15221 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 15222 if (DEBUG_INSTALL) 15223 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 15224 + componentNames); 15225 Bundle extras = new Bundle(4); 15226 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 15227 String nameList[] = new String[componentNames.size()]; 15228 componentNames.toArray(nameList); 15229 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 15230 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 15231 extras.putInt(Intent.EXTRA_UID, packageUid); 15232 // If this is not reporting a change of the overall package, then only send it 15233 // to registered receivers. We don't want to launch a swath of apps for every 15234 // little component state change. 15235 final int flags = !componentNames.contains(packageName) 15236 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 15237 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 15238 new int[] {UserHandle.getUserId(packageUid)}); 15239 } 15240 15241 @Override 15242 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 15243 if (!sUserManager.exists(userId)) return; 15244 final int uid = Binder.getCallingUid(); 15245 final int permission = mContext.checkCallingOrSelfPermission( 15246 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15247 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15248 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 15249 // writer 15250 synchronized (mPackages) { 15251 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 15252 allowedByPermission, uid, userId)) { 15253 scheduleWritePackageRestrictionsLocked(userId); 15254 } 15255 } 15256 } 15257 15258 @Override 15259 public String getInstallerPackageName(String packageName) { 15260 // reader 15261 synchronized (mPackages) { 15262 return mSettings.getInstallerPackageNameLPr(packageName); 15263 } 15264 } 15265 15266 @Override 15267 public int getApplicationEnabledSetting(String packageName, int userId) { 15268 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15269 int uid = Binder.getCallingUid(); 15270 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 15271 // reader 15272 synchronized (mPackages) { 15273 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 15274 } 15275 } 15276 15277 @Override 15278 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 15279 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15280 int uid = Binder.getCallingUid(); 15281 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 15282 // reader 15283 synchronized (mPackages) { 15284 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 15285 } 15286 } 15287 15288 @Override 15289 public void enterSafeMode() { 15290 enforceSystemOrRoot("Only the system can request entering safe mode"); 15291 15292 if (!mSystemReady) { 15293 mSafeMode = true; 15294 } 15295 } 15296 15297 @Override 15298 public void systemReady() { 15299 mSystemReady = true; 15300 15301 // Read the compatibilty setting when the system is ready. 15302 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 15303 mContext.getContentResolver(), 15304 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 15305 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 15306 if (DEBUG_SETTINGS) { 15307 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 15308 } 15309 15310 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 15311 15312 synchronized (mPackages) { 15313 // Verify that all of the preferred activity components actually 15314 // exist. It is possible for applications to be updated and at 15315 // that point remove a previously declared activity component that 15316 // had been set as a preferred activity. We try to clean this up 15317 // the next time we encounter that preferred activity, but it is 15318 // possible for the user flow to never be able to return to that 15319 // situation so here we do a sanity check to make sure we haven't 15320 // left any junk around. 15321 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 15322 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15323 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15324 removed.clear(); 15325 for (PreferredActivity pa : pir.filterSet()) { 15326 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 15327 removed.add(pa); 15328 } 15329 } 15330 if (removed.size() > 0) { 15331 for (int r=0; r<removed.size(); r++) { 15332 PreferredActivity pa = removed.get(r); 15333 Slog.w(TAG, "Removing dangling preferred activity: " 15334 + pa.mPref.mComponent); 15335 pir.removeFilter(pa); 15336 } 15337 mSettings.writePackageRestrictionsLPr( 15338 mSettings.mPreferredActivities.keyAt(i)); 15339 } 15340 } 15341 15342 for (int userId : UserManagerService.getInstance().getUserIds()) { 15343 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 15344 grantPermissionsUserIds = ArrayUtils.appendInt( 15345 grantPermissionsUserIds, userId); 15346 } 15347 } 15348 } 15349 sUserManager.systemReady(); 15350 15351 // If we upgraded grant all default permissions before kicking off. 15352 for (int userId : grantPermissionsUserIds) { 15353 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 15354 } 15355 15356 // Kick off any messages waiting for system ready 15357 if (mPostSystemReadyMessages != null) { 15358 for (Message msg : mPostSystemReadyMessages) { 15359 msg.sendToTarget(); 15360 } 15361 mPostSystemReadyMessages = null; 15362 } 15363 15364 // Watch for external volumes that come and go over time 15365 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15366 storage.registerListener(mStorageListener); 15367 15368 mInstallerService.systemReady(); 15369 mPackageDexOptimizer.systemReady(); 15370 15371 MountServiceInternal mountServiceInternal = LocalServices.getService( 15372 MountServiceInternal.class); 15373 mountServiceInternal.addExternalStoragePolicy( 15374 new MountServiceInternal.ExternalStorageMountPolicy() { 15375 @Override 15376 public int getMountMode(int uid, String packageName) { 15377 if (Process.isIsolated(uid)) { 15378 return Zygote.MOUNT_EXTERNAL_NONE; 15379 } 15380 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 15381 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15382 } 15383 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15384 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15385 } 15386 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15387 return Zygote.MOUNT_EXTERNAL_READ; 15388 } 15389 return Zygote.MOUNT_EXTERNAL_WRITE; 15390 } 15391 15392 @Override 15393 public boolean hasExternalStorage(int uid, String packageName) { 15394 return true; 15395 } 15396 }); 15397 } 15398 15399 @Override 15400 public boolean isSafeMode() { 15401 return mSafeMode; 15402 } 15403 15404 @Override 15405 public boolean hasSystemUidErrors() { 15406 return mHasSystemUidErrors; 15407 } 15408 15409 static String arrayToString(int[] array) { 15410 StringBuffer buf = new StringBuffer(128); 15411 buf.append('['); 15412 if (array != null) { 15413 for (int i=0; i<array.length; i++) { 15414 if (i > 0) buf.append(", "); 15415 buf.append(array[i]); 15416 } 15417 } 15418 buf.append(']'); 15419 return buf.toString(); 15420 } 15421 15422 static class DumpState { 15423 public static final int DUMP_LIBS = 1 << 0; 15424 public static final int DUMP_FEATURES = 1 << 1; 15425 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 15426 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 15427 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 15428 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 15429 public static final int DUMP_PERMISSIONS = 1 << 6; 15430 public static final int DUMP_PACKAGES = 1 << 7; 15431 public static final int DUMP_SHARED_USERS = 1 << 8; 15432 public static final int DUMP_MESSAGES = 1 << 9; 15433 public static final int DUMP_PROVIDERS = 1 << 10; 15434 public static final int DUMP_VERIFIERS = 1 << 11; 15435 public static final int DUMP_PREFERRED = 1 << 12; 15436 public static final int DUMP_PREFERRED_XML = 1 << 13; 15437 public static final int DUMP_KEYSETS = 1 << 14; 15438 public static final int DUMP_VERSION = 1 << 15; 15439 public static final int DUMP_INSTALLS = 1 << 16; 15440 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 15441 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 15442 15443 public static final int OPTION_SHOW_FILTERS = 1 << 0; 15444 15445 private int mTypes; 15446 15447 private int mOptions; 15448 15449 private boolean mTitlePrinted; 15450 15451 private SharedUserSetting mSharedUser; 15452 15453 public boolean isDumping(int type) { 15454 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 15455 return true; 15456 } 15457 15458 return (mTypes & type) != 0; 15459 } 15460 15461 public void setDump(int type) { 15462 mTypes |= type; 15463 } 15464 15465 public boolean isOptionEnabled(int option) { 15466 return (mOptions & option) != 0; 15467 } 15468 15469 public void setOptionEnabled(int option) { 15470 mOptions |= option; 15471 } 15472 15473 public boolean onTitlePrinted() { 15474 final boolean printed = mTitlePrinted; 15475 mTitlePrinted = true; 15476 return printed; 15477 } 15478 15479 public boolean getTitlePrinted() { 15480 return mTitlePrinted; 15481 } 15482 15483 public void setTitlePrinted(boolean enabled) { 15484 mTitlePrinted = enabled; 15485 } 15486 15487 public SharedUserSetting getSharedUser() { 15488 return mSharedUser; 15489 } 15490 15491 public void setSharedUser(SharedUserSetting user) { 15492 mSharedUser = user; 15493 } 15494 } 15495 15496 @Override 15497 public void onShellCommand(FileDescriptor in, FileDescriptor out, 15498 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 15499 (new PackageManagerShellCommand(this)).exec( 15500 this, in, out, err, args, resultReceiver); 15501 } 15502 15503 @Override 15504 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 15505 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 15506 != PackageManager.PERMISSION_GRANTED) { 15507 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 15508 + Binder.getCallingPid() 15509 + ", uid=" + Binder.getCallingUid() 15510 + " without permission " 15511 + android.Manifest.permission.DUMP); 15512 return; 15513 } 15514 15515 DumpState dumpState = new DumpState(); 15516 boolean fullPreferred = false; 15517 boolean checkin = false; 15518 15519 String packageName = null; 15520 ArraySet<String> permissionNames = null; 15521 15522 int opti = 0; 15523 while (opti < args.length) { 15524 String opt = args[opti]; 15525 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 15526 break; 15527 } 15528 opti++; 15529 15530 if ("-a".equals(opt)) { 15531 // Right now we only know how to print all. 15532 } else if ("-h".equals(opt)) { 15533 pw.println("Package manager dump options:"); 15534 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 15535 pw.println(" --checkin: dump for a checkin"); 15536 pw.println(" -f: print details of intent filters"); 15537 pw.println(" -h: print this help"); 15538 pw.println(" cmd may be one of:"); 15539 pw.println(" l[ibraries]: list known shared libraries"); 15540 pw.println(" f[eatures]: list device features"); 15541 pw.println(" k[eysets]: print known keysets"); 15542 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 15543 pw.println(" perm[issions]: dump permissions"); 15544 pw.println(" permission [name ...]: dump declaration and use of given permission"); 15545 pw.println(" pref[erred]: print preferred package settings"); 15546 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 15547 pw.println(" prov[iders]: dump content providers"); 15548 pw.println(" p[ackages]: dump installed packages"); 15549 pw.println(" s[hared-users]: dump shared user IDs"); 15550 pw.println(" m[essages]: print collected runtime messages"); 15551 pw.println(" v[erifiers]: print package verifier info"); 15552 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 15553 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 15554 pw.println(" version: print database version info"); 15555 pw.println(" write: write current settings now"); 15556 pw.println(" installs: details about install sessions"); 15557 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 15558 pw.println(" <package.name>: info about given package"); 15559 return; 15560 } else if ("--checkin".equals(opt)) { 15561 checkin = true; 15562 } else if ("-f".equals(opt)) { 15563 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15564 } else { 15565 pw.println("Unknown argument: " + opt + "; use -h for help"); 15566 } 15567 } 15568 15569 // Is the caller requesting to dump a particular piece of data? 15570 if (opti < args.length) { 15571 String cmd = args[opti]; 15572 opti++; 15573 // Is this a package name? 15574 if ("android".equals(cmd) || cmd.contains(".")) { 15575 packageName = cmd; 15576 // When dumping a single package, we always dump all of its 15577 // filter information since the amount of data will be reasonable. 15578 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15579 } else if ("check-permission".equals(cmd)) { 15580 if (opti >= args.length) { 15581 pw.println("Error: check-permission missing permission argument"); 15582 return; 15583 } 15584 String perm = args[opti]; 15585 opti++; 15586 if (opti >= args.length) { 15587 pw.println("Error: check-permission missing package argument"); 15588 return; 15589 } 15590 String pkg = args[opti]; 15591 opti++; 15592 int user = UserHandle.getUserId(Binder.getCallingUid()); 15593 if (opti < args.length) { 15594 try { 15595 user = Integer.parseInt(args[opti]); 15596 } catch (NumberFormatException e) { 15597 pw.println("Error: check-permission user argument is not a number: " 15598 + args[opti]); 15599 return; 15600 } 15601 } 15602 pw.println(checkPermission(perm, pkg, user)); 15603 return; 15604 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 15605 dumpState.setDump(DumpState.DUMP_LIBS); 15606 } else if ("f".equals(cmd) || "features".equals(cmd)) { 15607 dumpState.setDump(DumpState.DUMP_FEATURES); 15608 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 15609 if (opti >= args.length) { 15610 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 15611 | DumpState.DUMP_SERVICE_RESOLVERS 15612 | DumpState.DUMP_RECEIVER_RESOLVERS 15613 | DumpState.DUMP_CONTENT_RESOLVERS); 15614 } else { 15615 while (opti < args.length) { 15616 String name = args[opti]; 15617 if ("a".equals(name) || "activity".equals(name)) { 15618 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 15619 } else if ("s".equals(name) || "service".equals(name)) { 15620 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 15621 } else if ("r".equals(name) || "receiver".equals(name)) { 15622 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 15623 } else if ("c".equals(name) || "content".equals(name)) { 15624 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 15625 } else { 15626 pw.println("Error: unknown resolver table type: " + name); 15627 return; 15628 } 15629 opti++; 15630 } 15631 } 15632 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 15633 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 15634 } else if ("permission".equals(cmd)) { 15635 if (opti >= args.length) { 15636 pw.println("Error: permission requires permission name"); 15637 return; 15638 } 15639 permissionNames = new ArraySet<>(); 15640 while (opti < args.length) { 15641 permissionNames.add(args[opti]); 15642 opti++; 15643 } 15644 dumpState.setDump(DumpState.DUMP_PERMISSIONS 15645 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 15646 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 15647 dumpState.setDump(DumpState.DUMP_PREFERRED); 15648 } else if ("preferred-xml".equals(cmd)) { 15649 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 15650 if (opti < args.length && "--full".equals(args[opti])) { 15651 fullPreferred = true; 15652 opti++; 15653 } 15654 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 15655 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 15656 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 15657 dumpState.setDump(DumpState.DUMP_PACKAGES); 15658 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 15659 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 15660 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 15661 dumpState.setDump(DumpState.DUMP_PROVIDERS); 15662 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 15663 dumpState.setDump(DumpState.DUMP_MESSAGES); 15664 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 15665 dumpState.setDump(DumpState.DUMP_VERIFIERS); 15666 } else if ("i".equals(cmd) || "ifv".equals(cmd) 15667 || "intent-filter-verifiers".equals(cmd)) { 15668 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 15669 } else if ("version".equals(cmd)) { 15670 dumpState.setDump(DumpState.DUMP_VERSION); 15671 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 15672 dumpState.setDump(DumpState.DUMP_KEYSETS); 15673 } else if ("installs".equals(cmd)) { 15674 dumpState.setDump(DumpState.DUMP_INSTALLS); 15675 } else if ("write".equals(cmd)) { 15676 synchronized (mPackages) { 15677 mSettings.writeLPr(); 15678 pw.println("Settings written."); 15679 return; 15680 } 15681 } 15682 } 15683 15684 if (checkin) { 15685 pw.println("vers,1"); 15686 } 15687 15688 // reader 15689 synchronized (mPackages) { 15690 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 15691 if (!checkin) { 15692 if (dumpState.onTitlePrinted()) 15693 pw.println(); 15694 pw.println("Database versions:"); 15695 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 15696 } 15697 } 15698 15699 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 15700 if (!checkin) { 15701 if (dumpState.onTitlePrinted()) 15702 pw.println(); 15703 pw.println("Verifiers:"); 15704 pw.print(" Required: "); 15705 pw.print(mRequiredVerifierPackage); 15706 pw.print(" (uid="); 15707 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 15708 UserHandle.USER_SYSTEM)); 15709 pw.println(")"); 15710 } else if (mRequiredVerifierPackage != null) { 15711 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 15712 pw.print(","); 15713 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 15714 UserHandle.USER_SYSTEM)); 15715 } 15716 } 15717 15718 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 15719 packageName == null) { 15720 if (mIntentFilterVerifierComponent != null) { 15721 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 15722 if (!checkin) { 15723 if (dumpState.onTitlePrinted()) 15724 pw.println(); 15725 pw.println("Intent Filter Verifier:"); 15726 pw.print(" Using: "); 15727 pw.print(verifierPackageName); 15728 pw.print(" (uid="); 15729 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 15730 UserHandle.USER_SYSTEM)); 15731 pw.println(")"); 15732 } else if (verifierPackageName != null) { 15733 pw.print("ifv,"); pw.print(verifierPackageName); 15734 pw.print(","); 15735 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 15736 UserHandle.USER_SYSTEM)); 15737 } 15738 } else { 15739 pw.println(); 15740 pw.println("No Intent Filter Verifier available!"); 15741 } 15742 } 15743 15744 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 15745 boolean printedHeader = false; 15746 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 15747 while (it.hasNext()) { 15748 String name = it.next(); 15749 SharedLibraryEntry ent = mSharedLibraries.get(name); 15750 if (!checkin) { 15751 if (!printedHeader) { 15752 if (dumpState.onTitlePrinted()) 15753 pw.println(); 15754 pw.println("Libraries:"); 15755 printedHeader = true; 15756 } 15757 pw.print(" "); 15758 } else { 15759 pw.print("lib,"); 15760 } 15761 pw.print(name); 15762 if (!checkin) { 15763 pw.print(" -> "); 15764 } 15765 if (ent.path != null) { 15766 if (!checkin) { 15767 pw.print("(jar) "); 15768 pw.print(ent.path); 15769 } else { 15770 pw.print(",jar,"); 15771 pw.print(ent.path); 15772 } 15773 } else { 15774 if (!checkin) { 15775 pw.print("(apk) "); 15776 pw.print(ent.apk); 15777 } else { 15778 pw.print(",apk,"); 15779 pw.print(ent.apk); 15780 } 15781 } 15782 pw.println(); 15783 } 15784 } 15785 15786 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15787 if (dumpState.onTitlePrinted()) 15788 pw.println(); 15789 if (!checkin) { 15790 pw.println("Features:"); 15791 } 15792 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15793 while (it.hasNext()) { 15794 String name = it.next(); 15795 if (!checkin) { 15796 pw.print(" "); 15797 } else { 15798 pw.print("feat,"); 15799 } 15800 pw.println(name); 15801 } 15802 } 15803 15804 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 15805 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15806 : "Activity Resolver Table:", " ", packageName, 15807 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15808 dumpState.setTitlePrinted(true); 15809 } 15810 } 15811 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 15812 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15813 : "Receiver Resolver Table:", " ", packageName, 15814 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15815 dumpState.setTitlePrinted(true); 15816 } 15817 } 15818 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 15819 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15820 : "Service Resolver Table:", " ", packageName, 15821 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15822 dumpState.setTitlePrinted(true); 15823 } 15824 } 15825 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 15826 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15827 : "Provider Resolver Table:", " ", packageName, 15828 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15829 dumpState.setTitlePrinted(true); 15830 } 15831 } 15832 15833 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15834 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15835 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15836 int user = mSettings.mPreferredActivities.keyAt(i); 15837 if (pir.dump(pw, 15838 dumpState.getTitlePrinted() 15839 ? "\nPreferred Activities User " + user + ":" 15840 : "Preferred Activities User " + user + ":", " ", 15841 packageName, true, false)) { 15842 dumpState.setTitlePrinted(true); 15843 } 15844 } 15845 } 15846 15847 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15848 pw.flush(); 15849 FileOutputStream fout = new FileOutputStream(fd); 15850 BufferedOutputStream str = new BufferedOutputStream(fout); 15851 XmlSerializer serializer = new FastXmlSerializer(); 15852 try { 15853 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15854 serializer.startDocument(null, true); 15855 serializer.setFeature( 15856 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15857 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15858 serializer.endDocument(); 15859 serializer.flush(); 15860 } catch (IllegalArgumentException e) { 15861 pw.println("Failed writing: " + e); 15862 } catch (IllegalStateException e) { 15863 pw.println("Failed writing: " + e); 15864 } catch (IOException e) { 15865 pw.println("Failed writing: " + e); 15866 } 15867 } 15868 15869 if (!checkin 15870 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15871 && packageName == null) { 15872 pw.println(); 15873 int count = mSettings.mPackages.size(); 15874 if (count == 0) { 15875 pw.println("No applications!"); 15876 pw.println(); 15877 } else { 15878 final String prefix = " "; 15879 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15880 if (allPackageSettings.size() == 0) { 15881 pw.println("No domain preferred apps!"); 15882 pw.println(); 15883 } else { 15884 pw.println("App verification status:"); 15885 pw.println(); 15886 count = 0; 15887 for (PackageSetting ps : allPackageSettings) { 15888 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15889 if (ivi == null || ivi.getPackageName() == null) continue; 15890 pw.println(prefix + "Package: " + ivi.getPackageName()); 15891 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15892 pw.println(prefix + "Status: " + ivi.getStatusString()); 15893 pw.println(); 15894 count++; 15895 } 15896 if (count == 0) { 15897 pw.println(prefix + "No app verification established."); 15898 pw.println(); 15899 } 15900 for (int userId : sUserManager.getUserIds()) { 15901 pw.println("App linkages for user " + userId + ":"); 15902 pw.println(); 15903 count = 0; 15904 for (PackageSetting ps : allPackageSettings) { 15905 final long status = ps.getDomainVerificationStatusForUser(userId); 15906 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15907 continue; 15908 } 15909 pw.println(prefix + "Package: " + ps.name); 15910 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15911 String statusStr = IntentFilterVerificationInfo. 15912 getStatusStringFromValue(status); 15913 pw.println(prefix + "Status: " + statusStr); 15914 pw.println(); 15915 count++; 15916 } 15917 if (count == 0) { 15918 pw.println(prefix + "No configured app linkages."); 15919 pw.println(); 15920 } 15921 } 15922 } 15923 } 15924 } 15925 15926 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15927 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15928 if (packageName == null && permissionNames == null) { 15929 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15930 if (iperm == 0) { 15931 if (dumpState.onTitlePrinted()) 15932 pw.println(); 15933 pw.println("AppOp Permissions:"); 15934 } 15935 pw.print(" AppOp Permission "); 15936 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15937 pw.println(":"); 15938 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15939 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15940 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15941 } 15942 } 15943 } 15944 } 15945 15946 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15947 boolean printedSomething = false; 15948 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15949 if (packageName != null && !packageName.equals(p.info.packageName)) { 15950 continue; 15951 } 15952 if (!printedSomething) { 15953 if (dumpState.onTitlePrinted()) 15954 pw.println(); 15955 pw.println("Registered ContentProviders:"); 15956 printedSomething = true; 15957 } 15958 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15959 pw.print(" "); pw.println(p.toString()); 15960 } 15961 printedSomething = false; 15962 for (Map.Entry<String, PackageParser.Provider> entry : 15963 mProvidersByAuthority.entrySet()) { 15964 PackageParser.Provider p = entry.getValue(); 15965 if (packageName != null && !packageName.equals(p.info.packageName)) { 15966 continue; 15967 } 15968 if (!printedSomething) { 15969 if (dumpState.onTitlePrinted()) 15970 pw.println(); 15971 pw.println("ContentProvider Authorities:"); 15972 printedSomething = true; 15973 } 15974 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15975 pw.print(" "); pw.println(p.toString()); 15976 if (p.info != null && p.info.applicationInfo != null) { 15977 final String appInfo = p.info.applicationInfo.toString(); 15978 pw.print(" applicationInfo="); pw.println(appInfo); 15979 } 15980 } 15981 } 15982 15983 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15984 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15985 } 15986 15987 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15988 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15989 } 15990 15991 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15992 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15993 } 15994 15995 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15996 // XXX should handle packageName != null by dumping only install data that 15997 // the given package is involved with. 15998 if (dumpState.onTitlePrinted()) pw.println(); 15999 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 16000 } 16001 16002 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 16003 if (dumpState.onTitlePrinted()) pw.println(); 16004 mSettings.dumpReadMessagesLPr(pw, dumpState); 16005 16006 pw.println(); 16007 pw.println("Package warning messages:"); 16008 BufferedReader in = null; 16009 String line = null; 16010 try { 16011 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 16012 while ((line = in.readLine()) != null) { 16013 if (line.contains("ignored: updated version")) continue; 16014 pw.println(line); 16015 } 16016 } catch (IOException ignored) { 16017 } finally { 16018 IoUtils.closeQuietly(in); 16019 } 16020 } 16021 16022 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 16023 BufferedReader in = null; 16024 String line = null; 16025 try { 16026 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 16027 while ((line = in.readLine()) != null) { 16028 if (line.contains("ignored: updated version")) continue; 16029 pw.print("msg,"); 16030 pw.println(line); 16031 } 16032 } catch (IOException ignored) { 16033 } finally { 16034 IoUtils.closeQuietly(in); 16035 } 16036 } 16037 } 16038 } 16039 16040 private String dumpDomainString(String packageName) { 16041 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 16042 List<IntentFilter> filters = getAllIntentFilters(packageName); 16043 16044 ArraySet<String> result = new ArraySet<>(); 16045 if (iviList.size() > 0) { 16046 for (IntentFilterVerificationInfo ivi : iviList) { 16047 for (String host : ivi.getDomains()) { 16048 result.add(host); 16049 } 16050 } 16051 } 16052 if (filters != null && filters.size() > 0) { 16053 for (IntentFilter filter : filters) { 16054 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 16055 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 16056 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 16057 result.addAll(filter.getHostsList()); 16058 } 16059 } 16060 } 16061 16062 StringBuilder sb = new StringBuilder(result.size() * 16); 16063 for (String domain : result) { 16064 if (sb.length() > 0) sb.append(" "); 16065 sb.append(domain); 16066 } 16067 return sb.toString(); 16068 } 16069 16070 // ------- apps on sdcard specific code ------- 16071 static final boolean DEBUG_SD_INSTALL = false; 16072 16073 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 16074 16075 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 16076 16077 private boolean mMediaMounted = false; 16078 16079 static String getEncryptKey() { 16080 try { 16081 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 16082 SD_ENCRYPTION_KEYSTORE_NAME); 16083 if (sdEncKey == null) { 16084 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 16085 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 16086 if (sdEncKey == null) { 16087 Slog.e(TAG, "Failed to create encryption keys"); 16088 return null; 16089 } 16090 } 16091 return sdEncKey; 16092 } catch (NoSuchAlgorithmException nsae) { 16093 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 16094 return null; 16095 } catch (IOException ioe) { 16096 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 16097 return null; 16098 } 16099 } 16100 16101 /* 16102 * Update media status on PackageManager. 16103 */ 16104 @Override 16105 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 16106 int callingUid = Binder.getCallingUid(); 16107 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 16108 throw new SecurityException("Media status can only be updated by the system"); 16109 } 16110 // reader; this apparently protects mMediaMounted, but should probably 16111 // be a different lock in that case. 16112 synchronized (mPackages) { 16113 Log.i(TAG, "Updating external media status from " 16114 + (mMediaMounted ? "mounted" : "unmounted") + " to " 16115 + (mediaStatus ? "mounted" : "unmounted")); 16116 if (DEBUG_SD_INSTALL) 16117 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 16118 + ", mMediaMounted=" + mMediaMounted); 16119 if (mediaStatus == mMediaMounted) { 16120 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 16121 : 0, -1); 16122 mHandler.sendMessage(msg); 16123 return; 16124 } 16125 mMediaMounted = mediaStatus; 16126 } 16127 // Queue up an async operation since the package installation may take a 16128 // little while. 16129 mHandler.post(new Runnable() { 16130 public void run() { 16131 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 16132 } 16133 }); 16134 } 16135 16136 /** 16137 * Called by MountService when the initial ASECs to scan are available. 16138 * Should block until all the ASEC containers are finished being scanned. 16139 */ 16140 public void scanAvailableAsecs() { 16141 updateExternalMediaStatusInner(true, false, false); 16142 if (mShouldRestoreconData) { 16143 SELinuxMMAC.setRestoreconDone(); 16144 mShouldRestoreconData = false; 16145 } 16146 } 16147 16148 /* 16149 * Collect information of applications on external media, map them against 16150 * existing containers and update information based on current mount status. 16151 * Please note that we always have to report status if reportStatus has been 16152 * set to true especially when unloading packages. 16153 */ 16154 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 16155 boolean externalStorage) { 16156 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 16157 int[] uidArr = EmptyArray.INT; 16158 16159 final String[] list = PackageHelper.getSecureContainerList(); 16160 if (ArrayUtils.isEmpty(list)) { 16161 Log.i(TAG, "No secure containers found"); 16162 } else { 16163 // Process list of secure containers and categorize them 16164 // as active or stale based on their package internal state. 16165 16166 // reader 16167 synchronized (mPackages) { 16168 for (String cid : list) { 16169 // Leave stages untouched for now; installer service owns them 16170 if (PackageInstallerService.isStageName(cid)) continue; 16171 16172 if (DEBUG_SD_INSTALL) 16173 Log.i(TAG, "Processing container " + cid); 16174 String pkgName = getAsecPackageName(cid); 16175 if (pkgName == null) { 16176 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 16177 continue; 16178 } 16179 if (DEBUG_SD_INSTALL) 16180 Log.i(TAG, "Looking for pkg : " + pkgName); 16181 16182 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16183 if (ps == null) { 16184 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 16185 continue; 16186 } 16187 16188 /* 16189 * Skip packages that are not external if we're unmounting 16190 * external storage. 16191 */ 16192 if (externalStorage && !isMounted && !isExternal(ps)) { 16193 continue; 16194 } 16195 16196 final AsecInstallArgs args = new AsecInstallArgs(cid, 16197 getAppDexInstructionSets(ps), ps.isForwardLocked()); 16198 // The package status is changed only if the code path 16199 // matches between settings and the container id. 16200 if (ps.codePathString != null 16201 && ps.codePathString.startsWith(args.getCodePath())) { 16202 if (DEBUG_SD_INSTALL) { 16203 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 16204 + " at code path: " + ps.codePathString); 16205 } 16206 16207 // We do have a valid package installed on sdcard 16208 processCids.put(args, ps.codePathString); 16209 final int uid = ps.appId; 16210 if (uid != -1) { 16211 uidArr = ArrayUtils.appendInt(uidArr, uid); 16212 } 16213 } else { 16214 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 16215 + ps.codePathString); 16216 } 16217 } 16218 } 16219 16220 Arrays.sort(uidArr); 16221 } 16222 16223 // Process packages with valid entries. 16224 if (isMounted) { 16225 if (DEBUG_SD_INSTALL) 16226 Log.i(TAG, "Loading packages"); 16227 loadMediaPackages(processCids, uidArr, externalStorage); 16228 startCleaningPackages(); 16229 mInstallerService.onSecureContainersAvailable(); 16230 } else { 16231 if (DEBUG_SD_INSTALL) 16232 Log.i(TAG, "Unloading packages"); 16233 unloadMediaPackages(processCids, uidArr, reportStatus); 16234 } 16235 } 16236 16237 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16238 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 16239 final int size = infos.size(); 16240 final String[] packageNames = new String[size]; 16241 final int[] packageUids = new int[size]; 16242 for (int i = 0; i < size; i++) { 16243 final ApplicationInfo info = infos.get(i); 16244 packageNames[i] = info.packageName; 16245 packageUids[i] = info.uid; 16246 } 16247 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 16248 finishedReceiver); 16249 } 16250 16251 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16252 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16253 sendResourcesChangedBroadcast(mediaStatus, replacing, 16254 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 16255 } 16256 16257 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16258 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16259 int size = pkgList.length; 16260 if (size > 0) { 16261 // Send broadcasts here 16262 Bundle extras = new Bundle(); 16263 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 16264 if (uidArr != null) { 16265 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 16266 } 16267 if (replacing) { 16268 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 16269 } 16270 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 16271 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 16272 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 16273 } 16274 } 16275 16276 /* 16277 * Look at potentially valid container ids from processCids If package 16278 * information doesn't match the one on record or package scanning fails, 16279 * the cid is added to list of removeCids. We currently don't delete stale 16280 * containers. 16281 */ 16282 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 16283 boolean externalStorage) { 16284 ArrayList<String> pkgList = new ArrayList<String>(); 16285 Set<AsecInstallArgs> keys = processCids.keySet(); 16286 16287 for (AsecInstallArgs args : keys) { 16288 String codePath = processCids.get(args); 16289 if (DEBUG_SD_INSTALL) 16290 Log.i(TAG, "Loading container : " + args.cid); 16291 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16292 try { 16293 // Make sure there are no container errors first. 16294 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 16295 Slog.e(TAG, "Failed to mount cid : " + args.cid 16296 + " when installing from sdcard"); 16297 continue; 16298 } 16299 // Check code path here. 16300 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 16301 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 16302 + " does not match one in settings " + codePath); 16303 continue; 16304 } 16305 // Parse package 16306 int parseFlags = mDefParseFlags; 16307 if (args.isExternalAsec()) { 16308 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 16309 } 16310 if (args.isFwdLocked()) { 16311 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 16312 } 16313 16314 synchronized (mInstallLock) { 16315 PackageParser.Package pkg = null; 16316 try { 16317 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 16318 } catch (PackageManagerException e) { 16319 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 16320 } 16321 // Scan the package 16322 if (pkg != null) { 16323 /* 16324 * TODO why is the lock being held? doPostInstall is 16325 * called in other places without the lock. This needs 16326 * to be straightened out. 16327 */ 16328 // writer 16329 synchronized (mPackages) { 16330 retCode = PackageManager.INSTALL_SUCCEEDED; 16331 pkgList.add(pkg.packageName); 16332 // Post process args 16333 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 16334 pkg.applicationInfo.uid); 16335 } 16336 } else { 16337 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 16338 } 16339 } 16340 16341 } finally { 16342 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 16343 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 16344 } 16345 } 16346 } 16347 // writer 16348 synchronized (mPackages) { 16349 // If the platform SDK has changed since the last time we booted, 16350 // we need to re-grant app permission to catch any new ones that 16351 // appear. This is really a hack, and means that apps can in some 16352 // cases get permissions that the user didn't initially explicitly 16353 // allow... it would be nice to have some better way to handle 16354 // this situation. 16355 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 16356 : mSettings.getInternalVersion(); 16357 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 16358 : StorageManager.UUID_PRIVATE_INTERNAL; 16359 16360 int updateFlags = UPDATE_PERMISSIONS_ALL; 16361 if (ver.sdkVersion != mSdkVersion) { 16362 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16363 + mSdkVersion + "; regranting permissions for external"); 16364 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16365 } 16366 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 16367 16368 // Yay, everything is now upgraded 16369 ver.forceCurrent(); 16370 16371 // can downgrade to reader 16372 // Persist settings 16373 mSettings.writeLPr(); 16374 } 16375 // Send a broadcast to let everyone know we are done processing 16376 if (pkgList.size() > 0) { 16377 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 16378 } 16379 } 16380 16381 /* 16382 * Utility method to unload a list of specified containers 16383 */ 16384 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 16385 // Just unmount all valid containers. 16386 for (AsecInstallArgs arg : cidArgs) { 16387 synchronized (mInstallLock) { 16388 arg.doPostDeleteLI(false); 16389 } 16390 } 16391 } 16392 16393 /* 16394 * Unload packages mounted on external media. This involves deleting package 16395 * data from internal structures, sending broadcasts about diabled packages, 16396 * gc'ing to free up references, unmounting all secure containers 16397 * corresponding to packages on external media, and posting a 16398 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 16399 * that we always have to post this message if status has been requested no 16400 * matter what. 16401 */ 16402 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 16403 final boolean reportStatus) { 16404 if (DEBUG_SD_INSTALL) 16405 Log.i(TAG, "unloading media packages"); 16406 ArrayList<String> pkgList = new ArrayList<String>(); 16407 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 16408 final Set<AsecInstallArgs> keys = processCids.keySet(); 16409 for (AsecInstallArgs args : keys) { 16410 String pkgName = args.getPackageName(); 16411 if (DEBUG_SD_INSTALL) 16412 Log.i(TAG, "Trying to unload pkg : " + pkgName); 16413 // Delete package internally 16414 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16415 synchronized (mInstallLock) { 16416 boolean res = deletePackageLI(pkgName, null, false, null, null, 16417 PackageManager.DELETE_KEEP_DATA, outInfo, false); 16418 if (res) { 16419 pkgList.add(pkgName); 16420 } else { 16421 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 16422 failedList.add(args); 16423 } 16424 } 16425 } 16426 16427 // reader 16428 synchronized (mPackages) { 16429 // We didn't update the settings after removing each package; 16430 // write them now for all packages. 16431 mSettings.writeLPr(); 16432 } 16433 16434 // We have to absolutely send UPDATED_MEDIA_STATUS only 16435 // after confirming that all the receivers processed the ordered 16436 // broadcast when packages get disabled, force a gc to clean things up. 16437 // and unload all the containers. 16438 if (pkgList.size() > 0) { 16439 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 16440 new IIntentReceiver.Stub() { 16441 public void performReceive(Intent intent, int resultCode, String data, 16442 Bundle extras, boolean ordered, boolean sticky, 16443 int sendingUser) throws RemoteException { 16444 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 16445 reportStatus ? 1 : 0, 1, keys); 16446 mHandler.sendMessage(msg); 16447 } 16448 }); 16449 } else { 16450 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 16451 keys); 16452 mHandler.sendMessage(msg); 16453 } 16454 } 16455 16456 private void loadPrivatePackages(final VolumeInfo vol) { 16457 mHandler.post(new Runnable() { 16458 @Override 16459 public void run() { 16460 loadPrivatePackagesInner(vol); 16461 } 16462 }); 16463 } 16464 16465 private void loadPrivatePackagesInner(VolumeInfo vol) { 16466 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 16467 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 16468 16469 final VersionInfo ver; 16470 final List<PackageSetting> packages; 16471 synchronized (mPackages) { 16472 ver = mSettings.findOrCreateVersion(vol.fsUuid); 16473 packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16474 } 16475 16476 for (PackageSetting ps : packages) { 16477 synchronized (mInstallLock) { 16478 final PackageParser.Package pkg; 16479 try { 16480 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 16481 loaded.add(pkg.applicationInfo); 16482 } catch (PackageManagerException e) { 16483 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 16484 } 16485 16486 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 16487 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 16488 } 16489 } 16490 } 16491 16492 synchronized (mPackages) { 16493 int updateFlags = UPDATE_PERMISSIONS_ALL; 16494 if (ver.sdkVersion != mSdkVersion) { 16495 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16496 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 16497 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16498 } 16499 updatePermissionsLPw(null, null, vol.fsUuid, updateFlags); 16500 16501 // Yay, everything is now upgraded 16502 ver.forceCurrent(); 16503 16504 mSettings.writeLPr(); 16505 } 16506 16507 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 16508 sendResourcesChangedBroadcast(true, false, loaded, null); 16509 } 16510 16511 private void unloadPrivatePackages(final VolumeInfo vol) { 16512 mHandler.post(new Runnable() { 16513 @Override 16514 public void run() { 16515 unloadPrivatePackagesInner(vol); 16516 } 16517 }); 16518 } 16519 16520 private void unloadPrivatePackagesInner(VolumeInfo vol) { 16521 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 16522 synchronized (mInstallLock) { 16523 synchronized (mPackages) { 16524 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16525 for (PackageSetting ps : packages) { 16526 if (ps.pkg == null) continue; 16527 16528 final ApplicationInfo info = ps.pkg.applicationInfo; 16529 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16530 if (deletePackageLI(ps.name, null, false, null, null, 16531 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 16532 unloaded.add(info); 16533 } else { 16534 Slog.w(TAG, "Failed to unload " + ps.codePath); 16535 } 16536 } 16537 16538 mSettings.writeLPr(); 16539 } 16540 } 16541 16542 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 16543 sendResourcesChangedBroadcast(false, false, unloaded, null); 16544 } 16545 16546 /** 16547 * Examine all users present on given mounted volume, and destroy data 16548 * belonging to users that are no longer valid, or whose user ID has been 16549 * recycled. 16550 */ 16551 private void reconcileUsers(String volumeUuid) { 16552 final File[] files = FileUtils 16553 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 16554 for (File file : files) { 16555 if (!file.isDirectory()) continue; 16556 16557 final int userId; 16558 final UserInfo info; 16559 try { 16560 userId = Integer.parseInt(file.getName()); 16561 info = sUserManager.getUserInfo(userId); 16562 } catch (NumberFormatException e) { 16563 Slog.w(TAG, "Invalid user directory " + file); 16564 continue; 16565 } 16566 16567 boolean destroyUser = false; 16568 if (info == null) { 16569 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16570 + " because no matching user was found"); 16571 destroyUser = true; 16572 } else { 16573 try { 16574 UserManagerService.enforceSerialNumber(file, info.serialNumber); 16575 } catch (IOException e) { 16576 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16577 + " because we failed to enforce serial number: " + e); 16578 destroyUser = true; 16579 } 16580 } 16581 16582 if (destroyUser) { 16583 synchronized (mInstallLock) { 16584 mInstaller.removeUserDataDirs(volumeUuid, userId); 16585 } 16586 } 16587 } 16588 16589 final StorageManager sm = mContext.getSystemService(StorageManager.class); 16590 final UserManager um = mContext.getSystemService(UserManager.class); 16591 for (UserInfo user : um.getUsers()) { 16592 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 16593 if (userDir.exists()) continue; 16594 16595 try { 16596 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, user.isEphemeral()); 16597 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 16598 } catch (IOException e) { 16599 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 16600 } 16601 } 16602 } 16603 16604 /** 16605 * Examine all apps present on given mounted volume, and destroy apps that 16606 * aren't expected, either due to uninstallation or reinstallation on 16607 * another volume. 16608 */ 16609 private void reconcileApps(String volumeUuid) { 16610 final File[] files = FileUtils 16611 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 16612 for (File file : files) { 16613 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 16614 && !PackageInstallerService.isStageName(file.getName()); 16615 if (!isPackage) { 16616 // Ignore entries which are not packages 16617 continue; 16618 } 16619 16620 boolean destroyApp = false; 16621 String packageName = null; 16622 try { 16623 final PackageLite pkg = PackageParser.parsePackageLite(file, 16624 PackageParser.PARSE_MUST_BE_APK); 16625 packageName = pkg.packageName; 16626 16627 synchronized (mPackages) { 16628 final PackageSetting ps = mSettings.mPackages.get(packageName); 16629 if (ps == null) { 16630 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 16631 + volumeUuid + " because we found no install record"); 16632 destroyApp = true; 16633 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16634 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 16635 + volumeUuid + " because we expected it on " + ps.volumeUuid); 16636 destroyApp = true; 16637 } 16638 } 16639 16640 } catch (PackageParserException e) { 16641 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 16642 destroyApp = true; 16643 } 16644 16645 if (destroyApp) { 16646 synchronized (mInstallLock) { 16647 if (packageName != null) { 16648 removeDataDirsLI(volumeUuid, packageName); 16649 } 16650 if (file.isDirectory()) { 16651 mInstaller.rmPackageDir(file.getAbsolutePath()); 16652 } else { 16653 file.delete(); 16654 } 16655 } 16656 } 16657 } 16658 } 16659 16660 private void unfreezePackage(String packageName) { 16661 synchronized (mPackages) { 16662 final PackageSetting ps = mSettings.mPackages.get(packageName); 16663 if (ps != null) { 16664 ps.frozen = false; 16665 } 16666 } 16667 } 16668 16669 @Override 16670 public int movePackage(final String packageName, final String volumeUuid) { 16671 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16672 16673 final int moveId = mNextMoveId.getAndIncrement(); 16674 mHandler.post(new Runnable() { 16675 @Override 16676 public void run() { 16677 try { 16678 movePackageInternal(packageName, volumeUuid, moveId); 16679 } catch (PackageManagerException e) { 16680 Slog.w(TAG, "Failed to move " + packageName, e); 16681 mMoveCallbacks.notifyStatusChanged(moveId, 16682 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16683 } 16684 } 16685 }); 16686 return moveId; 16687 } 16688 16689 private void movePackageInternal(final String packageName, final String volumeUuid, 16690 final int moveId) throws PackageManagerException { 16691 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 16692 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16693 final PackageManager pm = mContext.getPackageManager(); 16694 16695 final boolean currentAsec; 16696 final String currentVolumeUuid; 16697 final File codeFile; 16698 final String installerPackageName; 16699 final String packageAbiOverride; 16700 final int appId; 16701 final String seinfo; 16702 final String label; 16703 16704 // reader 16705 synchronized (mPackages) { 16706 final PackageParser.Package pkg = mPackages.get(packageName); 16707 final PackageSetting ps = mSettings.mPackages.get(packageName); 16708 if (pkg == null || ps == null) { 16709 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 16710 } 16711 16712 if (pkg.applicationInfo.isSystemApp()) { 16713 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 16714 "Cannot move system application"); 16715 } 16716 16717 if (pkg.applicationInfo.isExternalAsec()) { 16718 currentAsec = true; 16719 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 16720 } else if (pkg.applicationInfo.isForwardLocked()) { 16721 currentAsec = true; 16722 currentVolumeUuid = "forward_locked"; 16723 } else { 16724 currentAsec = false; 16725 currentVolumeUuid = ps.volumeUuid; 16726 16727 final File probe = new File(pkg.codePath); 16728 final File probeOat = new File(probe, "oat"); 16729 if (!probe.isDirectory() || !probeOat.isDirectory()) { 16730 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16731 "Move only supported for modern cluster style installs"); 16732 } 16733 } 16734 16735 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 16736 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16737 "Package already moved to " + volumeUuid); 16738 } 16739 16740 if (ps.frozen) { 16741 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 16742 "Failed to move already frozen package"); 16743 } 16744 ps.frozen = true; 16745 16746 codeFile = new File(pkg.codePath); 16747 installerPackageName = ps.installerPackageName; 16748 packageAbiOverride = ps.cpuAbiOverrideString; 16749 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16750 seinfo = pkg.applicationInfo.seinfo; 16751 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 16752 } 16753 16754 // Now that we're guarded by frozen state, kill app during move 16755 final long token = Binder.clearCallingIdentity(); 16756 try { 16757 killApplication(packageName, appId, "move pkg"); 16758 } finally { 16759 Binder.restoreCallingIdentity(token); 16760 } 16761 16762 final Bundle extras = new Bundle(); 16763 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 16764 extras.putString(Intent.EXTRA_TITLE, label); 16765 mMoveCallbacks.notifyCreated(moveId, extras); 16766 16767 int installFlags; 16768 final boolean moveCompleteApp; 16769 final File measurePath; 16770 16771 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16772 installFlags = INSTALL_INTERNAL; 16773 moveCompleteApp = !currentAsec; 16774 measurePath = Environment.getDataAppDirectory(volumeUuid); 16775 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16776 installFlags = INSTALL_EXTERNAL; 16777 moveCompleteApp = false; 16778 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16779 } else { 16780 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16781 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16782 || !volume.isMountedWritable()) { 16783 unfreezePackage(packageName); 16784 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16785 "Move location not mounted private volume"); 16786 } 16787 16788 Preconditions.checkState(!currentAsec); 16789 16790 installFlags = INSTALL_INTERNAL; 16791 moveCompleteApp = true; 16792 measurePath = Environment.getDataAppDirectory(volumeUuid); 16793 } 16794 16795 final PackageStats stats = new PackageStats(null, -1); 16796 synchronized (mInstaller) { 16797 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16798 unfreezePackage(packageName); 16799 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16800 "Failed to measure package size"); 16801 } 16802 } 16803 16804 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16805 + stats.dataSize); 16806 16807 final long startFreeBytes = measurePath.getFreeSpace(); 16808 final long sizeBytes; 16809 if (moveCompleteApp) { 16810 sizeBytes = stats.codeSize + stats.dataSize; 16811 } else { 16812 sizeBytes = stats.codeSize; 16813 } 16814 16815 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16816 unfreezePackage(packageName); 16817 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16818 "Not enough free space to move"); 16819 } 16820 16821 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16822 16823 final CountDownLatch installedLatch = new CountDownLatch(1); 16824 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16825 @Override 16826 public void onUserActionRequired(Intent intent) throws RemoteException { 16827 throw new IllegalStateException(); 16828 } 16829 16830 @Override 16831 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16832 Bundle extras) throws RemoteException { 16833 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16834 + PackageManager.installStatusToString(returnCode, msg)); 16835 16836 installedLatch.countDown(); 16837 16838 // Regardless of success or failure of the move operation, 16839 // always unfreeze the package 16840 unfreezePackage(packageName); 16841 16842 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16843 switch (status) { 16844 case PackageInstaller.STATUS_SUCCESS: 16845 mMoveCallbacks.notifyStatusChanged(moveId, 16846 PackageManager.MOVE_SUCCEEDED); 16847 break; 16848 case PackageInstaller.STATUS_FAILURE_STORAGE: 16849 mMoveCallbacks.notifyStatusChanged(moveId, 16850 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16851 break; 16852 default: 16853 mMoveCallbacks.notifyStatusChanged(moveId, 16854 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16855 break; 16856 } 16857 } 16858 }; 16859 16860 final MoveInfo move; 16861 if (moveCompleteApp) { 16862 // Kick off a thread to report progress estimates 16863 new Thread() { 16864 @Override 16865 public void run() { 16866 while (true) { 16867 try { 16868 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16869 break; 16870 } 16871 } catch (InterruptedException ignored) { 16872 } 16873 16874 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16875 final int progress = 10 + (int) MathUtils.constrain( 16876 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16877 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16878 } 16879 } 16880 }.start(); 16881 16882 final String dataAppName = codeFile.getName(); 16883 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16884 dataAppName, appId, seinfo); 16885 } else { 16886 move = null; 16887 } 16888 16889 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16890 16891 final Message msg = mHandler.obtainMessage(INIT_COPY); 16892 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16893 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 16894 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16895 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 16896 msg.obj = params; 16897 16898 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 16899 System.identityHashCode(msg.obj)); 16900 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 16901 System.identityHashCode(msg.obj)); 16902 16903 mHandler.sendMessage(msg); 16904 } 16905 16906 @Override 16907 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16908 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16909 16910 final int realMoveId = mNextMoveId.getAndIncrement(); 16911 final Bundle extras = new Bundle(); 16912 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16913 mMoveCallbacks.notifyCreated(realMoveId, extras); 16914 16915 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16916 @Override 16917 public void onCreated(int moveId, Bundle extras) { 16918 // Ignored 16919 } 16920 16921 @Override 16922 public void onStatusChanged(int moveId, int status, long estMillis) { 16923 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16924 } 16925 }; 16926 16927 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16928 storage.setPrimaryStorageUuid(volumeUuid, callback); 16929 return realMoveId; 16930 } 16931 16932 @Override 16933 public int getMoveStatus(int moveId) { 16934 mContext.enforceCallingOrSelfPermission( 16935 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16936 return mMoveCallbacks.mLastStatus.get(moveId); 16937 } 16938 16939 @Override 16940 public void registerMoveCallback(IPackageMoveObserver callback) { 16941 mContext.enforceCallingOrSelfPermission( 16942 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16943 mMoveCallbacks.register(callback); 16944 } 16945 16946 @Override 16947 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16948 mContext.enforceCallingOrSelfPermission( 16949 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16950 mMoveCallbacks.unregister(callback); 16951 } 16952 16953 @Override 16954 public boolean setInstallLocation(int loc) { 16955 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16956 null); 16957 if (getInstallLocation() == loc) { 16958 return true; 16959 } 16960 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16961 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16962 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16963 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16964 return true; 16965 } 16966 return false; 16967 } 16968 16969 @Override 16970 public int getInstallLocation() { 16971 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16972 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16973 PackageHelper.APP_INSTALL_AUTO); 16974 } 16975 16976 /** Called by UserManagerService */ 16977 void cleanUpUser(UserManagerService userManager, int userHandle) { 16978 synchronized (mPackages) { 16979 mDirtyUsers.remove(userHandle); 16980 mUserNeedsBadging.delete(userHandle); 16981 mSettings.removeUserLPw(userHandle); 16982 mPendingBroadcasts.remove(userHandle); 16983 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 16984 } 16985 synchronized (mInstallLock) { 16986 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16987 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16988 final String volumeUuid = vol.getFsUuid(); 16989 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 16990 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 16991 } 16992 synchronized (mPackages) { 16993 removeUnusedPackagesLILPw(userManager, userHandle); 16994 } 16995 } 16996 } 16997 16998 /** 16999 * We're removing userHandle and would like to remove any downloaded packages 17000 * that are no longer in use by any other user. 17001 * @param userHandle the user being removed 17002 */ 17003 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 17004 final boolean DEBUG_CLEAN_APKS = false; 17005 int [] users = userManager.getUserIds(); 17006 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 17007 while (psit.hasNext()) { 17008 PackageSetting ps = psit.next(); 17009 if (ps.pkg == null) { 17010 continue; 17011 } 17012 final String packageName = ps.pkg.packageName; 17013 // Skip over if system app 17014 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 17015 continue; 17016 } 17017 if (DEBUG_CLEAN_APKS) { 17018 Slog.i(TAG, "Checking package " + packageName); 17019 } 17020 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 17021 if (keep) { 17022 if (DEBUG_CLEAN_APKS) { 17023 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 17024 } 17025 } else { 17026 for (int i = 0; i < users.length; i++) { 17027 if (users[i] != userHandle && ps.getInstalled(users[i])) { 17028 keep = true; 17029 if (DEBUG_CLEAN_APKS) { 17030 Slog.i(TAG, " Keeping package " + packageName + " for user " 17031 + users[i]); 17032 } 17033 break; 17034 } 17035 } 17036 } 17037 if (!keep) { 17038 if (DEBUG_CLEAN_APKS) { 17039 Slog.i(TAG, " Removing package " + packageName); 17040 } 17041 mHandler.post(new Runnable() { 17042 public void run() { 17043 deletePackageX(packageName, userHandle, 0); 17044 } //end run 17045 }); 17046 } 17047 } 17048 } 17049 17050 /** Called by UserManagerService */ 17051 void createNewUser(int userHandle) { 17052 synchronized (mInstallLock) { 17053 mInstaller.createUserConfig(userHandle); 17054 mSettings.createNewUserLI(this, mInstaller, userHandle); 17055 } 17056 synchronized (mPackages) { 17057 applyFactoryDefaultBrowserLPw(userHandle); 17058 primeDomainVerificationsLPw(userHandle); 17059 } 17060 } 17061 17062 void newUserCreated(final int userHandle) { 17063 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 17064 // If permission review for legacy apps is required, we represent 17065 // dagerous permissions for such apps as always granted runtime 17066 // permissions to keep per user flag state whether review is needed. 17067 // Hence, if a new user is added we have to propagate dangerous 17068 // permission grants for these legacy apps. 17069 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 17070 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 17071 | UPDATE_PERMISSIONS_REPLACE_ALL); 17072 } 17073 } 17074 17075 @Override 17076 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 17077 mContext.enforceCallingOrSelfPermission( 17078 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 17079 "Only package verification agents can read the verifier device identity"); 17080 17081 synchronized (mPackages) { 17082 return mSettings.getVerifierDeviceIdentityLPw(); 17083 } 17084 } 17085 17086 @Override 17087 public void setPermissionEnforced(String permission, boolean enforced) { 17088 // TODO: Now that we no longer change GID for storage, this should to away. 17089 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 17090 "setPermissionEnforced"); 17091 if (READ_EXTERNAL_STORAGE.equals(permission)) { 17092 synchronized (mPackages) { 17093 if (mSettings.mReadExternalStorageEnforced == null 17094 || mSettings.mReadExternalStorageEnforced != enforced) { 17095 mSettings.mReadExternalStorageEnforced = enforced; 17096 mSettings.writeLPr(); 17097 } 17098 } 17099 // kill any non-foreground processes so we restart them and 17100 // grant/revoke the GID. 17101 final IActivityManager am = ActivityManagerNative.getDefault(); 17102 if (am != null) { 17103 final long token = Binder.clearCallingIdentity(); 17104 try { 17105 am.killProcessesBelowForeground("setPermissionEnforcement"); 17106 } catch (RemoteException e) { 17107 } finally { 17108 Binder.restoreCallingIdentity(token); 17109 } 17110 } 17111 } else { 17112 throw new IllegalArgumentException("No selective enforcement for " + permission); 17113 } 17114 } 17115 17116 @Override 17117 @Deprecated 17118 public boolean isPermissionEnforced(String permission) { 17119 return true; 17120 } 17121 17122 @Override 17123 public boolean isStorageLow() { 17124 final long token = Binder.clearCallingIdentity(); 17125 try { 17126 final DeviceStorageMonitorInternal 17127 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 17128 if (dsm != null) { 17129 return dsm.isMemoryLow(); 17130 } else { 17131 return false; 17132 } 17133 } finally { 17134 Binder.restoreCallingIdentity(token); 17135 } 17136 } 17137 17138 @Override 17139 public IPackageInstaller getPackageInstaller() { 17140 return mInstallerService; 17141 } 17142 17143 private boolean userNeedsBadging(int userId) { 17144 int index = mUserNeedsBadging.indexOfKey(userId); 17145 if (index < 0) { 17146 final UserInfo userInfo; 17147 final long token = Binder.clearCallingIdentity(); 17148 try { 17149 userInfo = sUserManager.getUserInfo(userId); 17150 } finally { 17151 Binder.restoreCallingIdentity(token); 17152 } 17153 final boolean b; 17154 if (userInfo != null && userInfo.isManagedProfile()) { 17155 b = true; 17156 } else { 17157 b = false; 17158 } 17159 mUserNeedsBadging.put(userId, b); 17160 return b; 17161 } 17162 return mUserNeedsBadging.valueAt(index); 17163 } 17164 17165 @Override 17166 public KeySet getKeySetByAlias(String packageName, String alias) { 17167 if (packageName == null || alias == null) { 17168 return null; 17169 } 17170 synchronized(mPackages) { 17171 final PackageParser.Package pkg = mPackages.get(packageName); 17172 if (pkg == null) { 17173 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17174 throw new IllegalArgumentException("Unknown package: " + packageName); 17175 } 17176 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17177 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 17178 } 17179 } 17180 17181 @Override 17182 public KeySet getSigningKeySet(String packageName) { 17183 if (packageName == null) { 17184 return null; 17185 } 17186 synchronized(mPackages) { 17187 final PackageParser.Package pkg = mPackages.get(packageName); 17188 if (pkg == null) { 17189 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17190 throw new IllegalArgumentException("Unknown package: " + packageName); 17191 } 17192 if (pkg.applicationInfo.uid != Binder.getCallingUid() 17193 && Process.SYSTEM_UID != Binder.getCallingUid()) { 17194 throw new SecurityException("May not access signing KeySet of other apps."); 17195 } 17196 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17197 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 17198 } 17199 } 17200 17201 @Override 17202 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 17203 if (packageName == null || ks == null) { 17204 return false; 17205 } 17206 synchronized(mPackages) { 17207 final PackageParser.Package pkg = mPackages.get(packageName); 17208 if (pkg == null) { 17209 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17210 throw new IllegalArgumentException("Unknown package: " + packageName); 17211 } 17212 IBinder ksh = ks.getToken(); 17213 if (ksh instanceof KeySetHandle) { 17214 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17215 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 17216 } 17217 return false; 17218 } 17219 } 17220 17221 @Override 17222 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 17223 if (packageName == null || ks == null) { 17224 return false; 17225 } 17226 synchronized(mPackages) { 17227 final PackageParser.Package pkg = mPackages.get(packageName); 17228 if (pkg == null) { 17229 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17230 throw new IllegalArgumentException("Unknown package: " + packageName); 17231 } 17232 IBinder ksh = ks.getToken(); 17233 if (ksh instanceof KeySetHandle) { 17234 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17235 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 17236 } 17237 return false; 17238 } 17239 } 17240 17241 private void deletePackageIfUnusedLPr(final String packageName) { 17242 PackageSetting ps = mSettings.mPackages.get(packageName); 17243 if (ps == null) { 17244 return; 17245 } 17246 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 17247 // TODO Implement atomic delete if package is unused 17248 // It is currently possible that the package will be deleted even if it is installed 17249 // after this method returns. 17250 mHandler.post(new Runnable() { 17251 public void run() { 17252 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 17253 } 17254 }); 17255 } 17256 } 17257 17258 /** 17259 * Check and throw if the given before/after packages would be considered a 17260 * downgrade. 17261 */ 17262 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 17263 throws PackageManagerException { 17264 if (after.versionCode < before.mVersionCode) { 17265 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17266 "Update version code " + after.versionCode + " is older than current " 17267 + before.mVersionCode); 17268 } else if (after.versionCode == before.mVersionCode) { 17269 if (after.baseRevisionCode < before.baseRevisionCode) { 17270 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17271 "Update base revision code " + after.baseRevisionCode 17272 + " is older than current " + before.baseRevisionCode); 17273 } 17274 17275 if (!ArrayUtils.isEmpty(after.splitNames)) { 17276 for (int i = 0; i < after.splitNames.length; i++) { 17277 final String splitName = after.splitNames[i]; 17278 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 17279 if (j != -1) { 17280 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 17281 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17282 "Update split " + splitName + " revision code " 17283 + after.splitRevisionCodes[i] + " is older than current " 17284 + before.splitRevisionCodes[j]); 17285 } 17286 } 17287 } 17288 } 17289 } 17290 } 17291 17292 private static class MoveCallbacks extends Handler { 17293 private static final int MSG_CREATED = 1; 17294 private static final int MSG_STATUS_CHANGED = 2; 17295 17296 private final RemoteCallbackList<IPackageMoveObserver> 17297 mCallbacks = new RemoteCallbackList<>(); 17298 17299 private final SparseIntArray mLastStatus = new SparseIntArray(); 17300 17301 public MoveCallbacks(Looper looper) { 17302 super(looper); 17303 } 17304 17305 public void register(IPackageMoveObserver callback) { 17306 mCallbacks.register(callback); 17307 } 17308 17309 public void unregister(IPackageMoveObserver callback) { 17310 mCallbacks.unregister(callback); 17311 } 17312 17313 @Override 17314 public void handleMessage(Message msg) { 17315 final SomeArgs args = (SomeArgs) msg.obj; 17316 final int n = mCallbacks.beginBroadcast(); 17317 for (int i = 0; i < n; i++) { 17318 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 17319 try { 17320 invokeCallback(callback, msg.what, args); 17321 } catch (RemoteException ignored) { 17322 } 17323 } 17324 mCallbacks.finishBroadcast(); 17325 args.recycle(); 17326 } 17327 17328 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 17329 throws RemoteException { 17330 switch (what) { 17331 case MSG_CREATED: { 17332 callback.onCreated(args.argi1, (Bundle) args.arg2); 17333 break; 17334 } 17335 case MSG_STATUS_CHANGED: { 17336 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 17337 break; 17338 } 17339 } 17340 } 17341 17342 private void notifyCreated(int moveId, Bundle extras) { 17343 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 17344 17345 final SomeArgs args = SomeArgs.obtain(); 17346 args.argi1 = moveId; 17347 args.arg2 = extras; 17348 obtainMessage(MSG_CREATED, args).sendToTarget(); 17349 } 17350 17351 private void notifyStatusChanged(int moveId, int status) { 17352 notifyStatusChanged(moveId, status, -1); 17353 } 17354 17355 private void notifyStatusChanged(int moveId, int status, long estMillis) { 17356 Slog.v(TAG, "Move " + moveId + " status " + status); 17357 17358 final SomeArgs args = SomeArgs.obtain(); 17359 args.argi1 = moveId; 17360 args.argi2 = status; 17361 args.arg3 = estMillis; 17362 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 17363 17364 synchronized (mLastStatus) { 17365 mLastStatus.put(moveId, status); 17366 } 17367 } 17368 } 17369 17370 private final static class OnPermissionChangeListeners extends Handler { 17371 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 17372 17373 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 17374 new RemoteCallbackList<>(); 17375 17376 public OnPermissionChangeListeners(Looper looper) { 17377 super(looper); 17378 } 17379 17380 @Override 17381 public void handleMessage(Message msg) { 17382 switch (msg.what) { 17383 case MSG_ON_PERMISSIONS_CHANGED: { 17384 final int uid = msg.arg1; 17385 handleOnPermissionsChanged(uid); 17386 } break; 17387 } 17388 } 17389 17390 public void addListenerLocked(IOnPermissionsChangeListener listener) { 17391 mPermissionListeners.register(listener); 17392 17393 } 17394 17395 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 17396 mPermissionListeners.unregister(listener); 17397 } 17398 17399 public void onPermissionsChanged(int uid) { 17400 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 17401 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 17402 } 17403 } 17404 17405 private void handleOnPermissionsChanged(int uid) { 17406 final int count = mPermissionListeners.beginBroadcast(); 17407 try { 17408 for (int i = 0; i < count; i++) { 17409 IOnPermissionsChangeListener callback = mPermissionListeners 17410 .getBroadcastItem(i); 17411 try { 17412 callback.onPermissionsChanged(uid); 17413 } catch (RemoteException e) { 17414 Log.e(TAG, "Permission listener is dead", e); 17415 } 17416 } 17417 } finally { 17418 mPermissionListeners.finishBroadcast(); 17419 } 17420 } 17421 } 17422 17423 private class PackageManagerInternalImpl extends PackageManagerInternal { 17424 @Override 17425 public void setLocationPackagesProvider(PackagesProvider provider) { 17426 synchronized (mPackages) { 17427 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 17428 } 17429 } 17430 17431 @Override 17432 public void setImePackagesProvider(PackagesProvider provider) { 17433 synchronized (mPackages) { 17434 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 17435 } 17436 } 17437 17438 @Override 17439 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 17440 synchronized (mPackages) { 17441 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 17442 } 17443 } 17444 17445 @Override 17446 public void setSmsAppPackagesProvider(PackagesProvider provider) { 17447 synchronized (mPackages) { 17448 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 17449 } 17450 } 17451 17452 @Override 17453 public void setDialerAppPackagesProvider(PackagesProvider provider) { 17454 synchronized (mPackages) { 17455 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 17456 } 17457 } 17458 17459 @Override 17460 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 17461 synchronized (mPackages) { 17462 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 17463 } 17464 } 17465 17466 @Override 17467 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 17468 synchronized (mPackages) { 17469 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 17470 } 17471 } 17472 17473 @Override 17474 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 17475 synchronized (mPackages) { 17476 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 17477 packageName, userId); 17478 } 17479 } 17480 17481 @Override 17482 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 17483 synchronized (mPackages) { 17484 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 17485 packageName, userId); 17486 } 17487 } 17488 17489 @Override 17490 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 17491 synchronized (mPackages) { 17492 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 17493 packageName, userId); 17494 } 17495 } 17496 17497 @Override 17498 public void setKeepUninstalledPackages(final List<String> packageList) { 17499 Preconditions.checkNotNull(packageList); 17500 List<String> removedFromList = null; 17501 synchronized (mPackages) { 17502 if (mKeepUninstalledPackages != null) { 17503 final int packagesCount = mKeepUninstalledPackages.size(); 17504 for (int i = 0; i < packagesCount; i++) { 17505 String oldPackage = mKeepUninstalledPackages.get(i); 17506 if (packageList != null && packageList.contains(oldPackage)) { 17507 continue; 17508 } 17509 if (removedFromList == null) { 17510 removedFromList = new ArrayList<>(); 17511 } 17512 removedFromList.add(oldPackage); 17513 } 17514 } 17515 mKeepUninstalledPackages = new ArrayList<>(packageList); 17516 if (removedFromList != null) { 17517 final int removedCount = removedFromList.size(); 17518 for (int i = 0; i < removedCount; i++) { 17519 deletePackageIfUnusedLPr(removedFromList.get(i)); 17520 } 17521 } 17522 } 17523 } 17524 17525 @Override 17526 public boolean isPermissionsReviewRequired(String packageName, int userId) { 17527 synchronized (mPackages) { 17528 // If we do not support permission review, done. 17529 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 17530 return false; 17531 } 17532 17533 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 17534 if (packageSetting == null) { 17535 return false; 17536 } 17537 17538 // Permission review applies only to apps not supporting the new permission model. 17539 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 17540 return false; 17541 } 17542 17543 // Legacy apps have the permission and get user consent on launch. 17544 PermissionsState permissionsState = packageSetting.getPermissionsState(); 17545 return permissionsState.isPermissionReviewRequired(userId); 17546 } 17547 } 17548 } 17549 17550 @Override 17551 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 17552 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 17553 synchronized (mPackages) { 17554 final long identity = Binder.clearCallingIdentity(); 17555 try { 17556 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 17557 packageNames, userId); 17558 } finally { 17559 Binder.restoreCallingIdentity(identity); 17560 } 17561 } 17562 } 17563 17564 private static void enforceSystemOrPhoneCaller(String tag) { 17565 int callingUid = Binder.getCallingUid(); 17566 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 17567 throw new SecurityException( 17568 "Cannot call " + tag + " from UID " + callingUid); 17569 } 17570 } 17571} 17572