PackageManagerService.java revision e8498cd0066113068f2b0294144837546f213bd1
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.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 65import static android.content.pm.PackageManager.MATCH_ENCRYPTION_AWARE; 66import static android.content.pm.PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 67import static android.content.pm.PackageManager.MATCH_ENCRYPTION_UNAWARE; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 99 100import android.Manifest; 101import android.annotation.NonNull; 102import android.annotation.Nullable; 103import android.app.ActivityManager; 104import android.app.ActivityManagerNative; 105import android.app.IActivityManager; 106import android.app.admin.IDevicePolicyManager; 107import android.app.backup.IBackupManager; 108import android.content.BroadcastReceiver; 109import android.content.ComponentName; 110import android.content.Context; 111import android.content.IIntentReceiver; 112import android.content.Intent; 113import android.content.IntentFilter; 114import android.content.IntentSender; 115import android.content.IntentSender.SendIntentException; 116import android.content.ServiceConnection; 117import android.content.pm.ActivityInfo; 118import android.content.pm.ApplicationInfo; 119import android.content.pm.AppsQueryHelper; 120import android.content.pm.ComponentInfo; 121import android.content.pm.EphemeralApplicationInfo; 122import android.content.pm.EphemeralResolveInfo; 123import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 124import android.content.pm.FeatureInfo; 125import android.content.pm.IOnPermissionsChangeListener; 126import android.content.pm.IPackageDataObserver; 127import android.content.pm.IPackageDeleteObserver; 128import android.content.pm.IPackageDeleteObserver2; 129import android.content.pm.IPackageInstallObserver2; 130import android.content.pm.IPackageInstaller; 131import android.content.pm.IPackageManager; 132import android.content.pm.IPackageMoveObserver; 133import android.content.pm.IPackageStatsObserver; 134import android.content.pm.InstrumentationInfo; 135import android.content.pm.IntentFilterVerificationInfo; 136import android.content.pm.KeySet; 137import android.content.pm.PackageCleanItem; 138import android.content.pm.PackageInfo; 139import android.content.pm.PackageInfoLite; 140import android.content.pm.PackageInstaller; 141import android.content.pm.PackageManager; 142import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 143import android.content.pm.PackageManagerInternal; 144import android.content.pm.PackageParser; 145import android.content.pm.PackageParser.ActivityIntentInfo; 146import android.content.pm.PackageParser.PackageLite; 147import android.content.pm.PackageParser.PackageParserException; 148import android.content.pm.PackageStats; 149import android.content.pm.PackageUserState; 150import android.content.pm.ParceledListSlice; 151import android.content.pm.PermissionGroupInfo; 152import android.content.pm.PermissionInfo; 153import android.content.pm.ProviderInfo; 154import android.content.pm.ResolveInfo; 155import android.content.pm.ServiceInfo; 156import android.content.pm.Signature; 157import android.content.pm.UserInfo; 158import android.content.pm.VerifierDeviceIdentity; 159import android.content.pm.VerifierInfo; 160import android.content.res.Resources; 161import android.graphics.Bitmap; 162import android.hardware.display.DisplayManager; 163import android.net.Uri; 164import android.os.Binder; 165import android.os.Build; 166import android.os.Bundle; 167import android.os.Debug; 168import android.os.Environment; 169import android.os.Environment.UserEnvironment; 170import android.os.FileUtils; 171import android.os.Handler; 172import android.os.IBinder; 173import android.os.Looper; 174import android.os.Message; 175import android.os.Parcel; 176import android.os.ParcelFileDescriptor; 177import android.os.Parcelable; 178import android.os.Process; 179import android.os.RemoteCallbackList; 180import android.os.RemoteException; 181import android.os.ResultReceiver; 182import android.os.SELinux; 183import android.os.ServiceManager; 184import android.os.SystemClock; 185import android.os.SystemProperties; 186import android.os.Trace; 187import android.os.UserHandle; 188import android.os.UserManager; 189import android.os.storage.IMountService; 190import android.os.storage.MountServiceInternal; 191import android.os.storage.StorageEventListener; 192import android.os.storage.StorageManager; 193import android.os.storage.VolumeInfo; 194import android.os.storage.VolumeRecord; 195import android.security.KeyStore; 196import android.security.SystemKeyStore; 197import android.system.ErrnoException; 198import android.system.Os; 199import android.text.TextUtils; 200import android.text.format.DateUtils; 201import android.util.ArrayMap; 202import android.util.ArraySet; 203import android.util.AtomicFile; 204import android.util.DisplayMetrics; 205import android.util.EventLog; 206import android.util.ExceptionUtils; 207import android.util.Log; 208import android.util.LogPrinter; 209import android.util.MathUtils; 210import android.util.PrintStreamPrinter; 211import android.util.Slog; 212import android.util.SparseArray; 213import android.util.SparseBooleanArray; 214import android.util.SparseIntArray; 215import android.util.Xml; 216import android.view.Display; 217 218import com.android.internal.R; 219import com.android.internal.annotations.GuardedBy; 220import com.android.internal.app.IMediaContainerService; 221import com.android.internal.app.ResolverActivity; 222import com.android.internal.content.NativeLibraryHelper; 223import com.android.internal.content.PackageHelper; 224import com.android.internal.os.IParcelFileDescriptorFactory; 225import com.android.internal.os.InstallerConnection.InstallerException; 226import com.android.internal.os.SomeArgs; 227import com.android.internal.os.Zygote; 228import com.android.internal.util.ArrayUtils; 229import com.android.internal.util.FastPrintWriter; 230import com.android.internal.util.FastXmlSerializer; 231import com.android.internal.util.IndentingPrintWriter; 232import com.android.internal.util.Preconditions; 233import com.android.internal.util.XmlUtils; 234import com.android.server.EventLogTags; 235import com.android.server.FgThread; 236import com.android.server.IntentResolver; 237import com.android.server.LocalServices; 238import com.android.server.ServiceThread; 239import com.android.server.SystemConfig; 240import com.android.server.Watchdog; 241import com.android.server.pm.PermissionsState.PermissionState; 242import com.android.server.pm.Settings.DatabaseVersion; 243import com.android.server.pm.Settings.VersionInfo; 244import com.android.server.storage.DeviceStorageMonitorInternal; 245 246import dalvik.system.DexFile; 247import dalvik.system.VMRuntime; 248 249import libcore.io.IoUtils; 250import libcore.util.EmptyArray; 251 252import org.xmlpull.v1.XmlPullParser; 253import org.xmlpull.v1.XmlPullParserException; 254import org.xmlpull.v1.XmlSerializer; 255 256import java.io.BufferedInputStream; 257import java.io.BufferedOutputStream; 258import java.io.BufferedReader; 259import java.io.ByteArrayInputStream; 260import java.io.ByteArrayOutputStream; 261import java.io.File; 262import java.io.FileDescriptor; 263import java.io.FileNotFoundException; 264import java.io.FileOutputStream; 265import java.io.FileReader; 266import java.io.FilenameFilter; 267import java.io.IOException; 268import java.io.InputStream; 269import java.io.PrintWriter; 270import java.nio.charset.StandardCharsets; 271import java.security.MessageDigest; 272import java.security.NoSuchAlgorithmException; 273import java.security.PublicKey; 274import java.security.cert.CertificateEncodingException; 275import java.security.cert.CertificateException; 276import java.text.SimpleDateFormat; 277import java.util.ArrayList; 278import java.util.Arrays; 279import java.util.Collection; 280import java.util.Collections; 281import java.util.Comparator; 282import java.util.Date; 283import java.util.HashSet; 284import java.util.Iterator; 285import java.util.List; 286import java.util.Map; 287import java.util.Objects; 288import java.util.Set; 289import java.util.concurrent.CountDownLatch; 290import java.util.concurrent.TimeUnit; 291import java.util.concurrent.atomic.AtomicBoolean; 292import java.util.concurrent.atomic.AtomicInteger; 293import java.util.concurrent.atomic.AtomicLong; 294 295/** 296 * Keep track of all those .apks everywhere. 297 * 298 * This is very central to the platform's security; please run the unit 299 * tests whenever making modifications here: 300 * 301runtest -c android.content.pm.PackageManagerTests frameworks-core 302 * 303 * {@hide} 304 */ 305public class PackageManagerService extends IPackageManager.Stub { 306 static final String TAG = "PackageManager"; 307 static final boolean DEBUG_SETTINGS = false; 308 static final boolean DEBUG_PREFERRED = false; 309 static final boolean DEBUG_UPGRADE = false; 310 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 311 private static final boolean DEBUG_BACKUP = false; 312 private static final boolean DEBUG_INSTALL = false; 313 private static final boolean DEBUG_REMOVE = false; 314 private static final boolean DEBUG_BROADCASTS = false; 315 private static final boolean DEBUG_SHOW_INFO = false; 316 private static final boolean DEBUG_PACKAGE_INFO = false; 317 private static final boolean DEBUG_INTENT_MATCHING = false; 318 private static final boolean DEBUG_PACKAGE_SCANNING = false; 319 private static final boolean DEBUG_VERIFY = false; 320 321 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 322 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 323 // user, but by default initialize to this. 324 static final boolean DEBUG_DEXOPT = false; 325 326 private static final boolean DEBUG_ABI_SELECTION = false; 327 private static final boolean DEBUG_EPHEMERAL = false; 328 private static final boolean DEBUG_TRIAGED_MISSING = false; 329 private static final boolean DEBUG_APP_DATA = false; 330 331 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 332 333 private static final boolean DISABLE_EPHEMERAL_APPS = true; 334 335 private static final int RADIO_UID = Process.PHONE_UID; 336 private static final int LOG_UID = Process.LOG_UID; 337 private static final int NFC_UID = Process.NFC_UID; 338 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 339 private static final int SHELL_UID = Process.SHELL_UID; 340 341 // Cap the size of permission trees that 3rd party apps can define 342 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 343 344 // Suffix used during package installation when copying/moving 345 // package apks to install directory. 346 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 347 348 static final int SCAN_NO_DEX = 1<<1; 349 static final int SCAN_FORCE_DEX = 1<<2; 350 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 351 static final int SCAN_NEW_INSTALL = 1<<4; 352 static final int SCAN_NO_PATHS = 1<<5; 353 static final int SCAN_UPDATE_TIME = 1<<6; 354 static final int SCAN_DEFER_DEX = 1<<7; 355 static final int SCAN_BOOTING = 1<<8; 356 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 357 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 358 static final int SCAN_REPLACING = 1<<11; 359 static final int SCAN_REQUIRE_KNOWN = 1<<12; 360 static final int SCAN_MOVE = 1<<13; 361 static final int SCAN_INITIAL = 1<<14; 362 static final int SCAN_CHECK_ONLY = 1<<15; 363 static final int SCAN_DONT_KILL_APP = 1<<17; 364 365 static final int REMOVE_CHATTY = 1<<16; 366 367 private static final int[] EMPTY_INT_ARRAY = new int[0]; 368 369 /** 370 * Timeout (in milliseconds) after which the watchdog should declare that 371 * our handler thread is wedged. The usual default for such things is one 372 * minute but we sometimes do very lengthy I/O operations on this thread, 373 * such as installing multi-gigabyte applications, so ours needs to be longer. 374 */ 375 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 376 377 /** 378 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 379 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 380 * settings entry if available, otherwise we use the hardcoded default. If it's been 381 * more than this long since the last fstrim, we force one during the boot sequence. 382 * 383 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 384 * one gets run at the next available charging+idle time. This final mandatory 385 * no-fstrim check kicks in only of the other scheduling criteria is never met. 386 */ 387 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 388 389 /** 390 * Whether verification is enabled by default. 391 */ 392 private static final boolean DEFAULT_VERIFY_ENABLE = true; 393 394 /** 395 * The default maximum time to wait for the verification agent to return in 396 * milliseconds. 397 */ 398 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 399 400 /** 401 * The default response for package verification timeout. 402 * 403 * This can be either PackageManager.VERIFICATION_ALLOW or 404 * PackageManager.VERIFICATION_REJECT. 405 */ 406 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 407 408 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 409 410 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 411 DEFAULT_CONTAINER_PACKAGE, 412 "com.android.defcontainer.DefaultContainerService"); 413 414 private static final String KILL_APP_REASON_GIDS_CHANGED = 415 "permission grant or revoke changed gids"; 416 417 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 418 "permissions revoked"; 419 420 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 421 422 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 423 424 /** Permission grant: not grant the permission. */ 425 private static final int GRANT_DENIED = 1; 426 427 /** Permission grant: grant the permission as an install permission. */ 428 private static final int GRANT_INSTALL = 2; 429 430 /** Permission grant: grant the permission as a runtime one. */ 431 private static final int GRANT_RUNTIME = 3; 432 433 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 434 private static final int GRANT_UPGRADE = 4; 435 436 /** Canonical intent used to identify what counts as a "web browser" app */ 437 private static final Intent sBrowserIntent; 438 static { 439 sBrowserIntent = new Intent(); 440 sBrowserIntent.setAction(Intent.ACTION_VIEW); 441 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 442 sBrowserIntent.setData(Uri.parse("http:")); 443 } 444 445 final ServiceThread mHandlerThread; 446 447 final PackageHandler mHandler; 448 449 /** 450 * Messages for {@link #mHandler} that need to wait for system ready before 451 * being dispatched. 452 */ 453 private ArrayList<Message> mPostSystemReadyMessages; 454 455 final int mSdkVersion = Build.VERSION.SDK_INT; 456 457 final Context mContext; 458 final boolean mFactoryTest; 459 final boolean mOnlyCore; 460 final DisplayMetrics mMetrics; 461 final int mDefParseFlags; 462 final String[] mSeparateProcesses; 463 final boolean mIsUpgrade; 464 465 /** The location for ASEC container files on internal storage. */ 466 final String mAsecInternalPath; 467 468 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 469 // LOCK HELD. Can be called with mInstallLock held. 470 @GuardedBy("mInstallLock") 471 final Installer mInstaller; 472 473 /** Directory where installed third-party apps stored */ 474 final File mAppInstallDir; 475 final File mEphemeralInstallDir; 476 477 /** 478 * Directory to which applications installed internally have their 479 * 32 bit native libraries copied. 480 */ 481 private File mAppLib32InstallDir; 482 483 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 484 // apps. 485 final File mDrmAppPrivateInstallDir; 486 487 // ---------------------------------------------------------------- 488 489 // Lock for state used when installing and doing other long running 490 // operations. Methods that must be called with this lock held have 491 // the suffix "LI". 492 final Object mInstallLock = new Object(); 493 494 // ---------------------------------------------------------------- 495 496 // Keys are String (package name), values are Package. This also serves 497 // as the lock for the global state. Methods that must be called with 498 // this lock held have the prefix "LP". 499 @GuardedBy("mPackages") 500 final ArrayMap<String, PackageParser.Package> mPackages = 501 new ArrayMap<String, PackageParser.Package>(); 502 503 final ArrayMap<String, Set<String>> mKnownCodebase = 504 new ArrayMap<String, Set<String>>(); 505 506 // Tracks available target package names -> overlay package paths. 507 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 508 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 509 510 /** 511 * Tracks new system packages [received in an OTA] that we expect to 512 * find updated user-installed versions. Keys are package name, values 513 * are package location. 514 */ 515 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 516 517 /** 518 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 519 */ 520 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 521 /** 522 * Whether or not system app permissions should be promoted from install to runtime. 523 */ 524 boolean mPromoteSystemApps; 525 526 final Settings mSettings; 527 boolean mRestoredSettings; 528 529 // System configuration read by SystemConfig. 530 final int[] mGlobalGids; 531 final SparseArray<ArraySet<String>> mSystemPermissions; 532 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 533 534 // If mac_permissions.xml was found for seinfo labeling. 535 boolean mFoundPolicyFile; 536 537 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 538 539 public static final class SharedLibraryEntry { 540 public final String path; 541 public final String apk; 542 543 SharedLibraryEntry(String _path, String _apk) { 544 path = _path; 545 apk = _apk; 546 } 547 } 548 549 // Currently known shared libraries. 550 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 551 new ArrayMap<String, SharedLibraryEntry>(); 552 553 // All available activities, for your resolving pleasure. 554 final ActivityIntentResolver mActivities = 555 new ActivityIntentResolver(); 556 557 // All available receivers, for your resolving pleasure. 558 final ActivityIntentResolver mReceivers = 559 new ActivityIntentResolver(); 560 561 // All available services, for your resolving pleasure. 562 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 563 564 // All available providers, for your resolving pleasure. 565 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 566 567 // Mapping from provider base names (first directory in content URI codePath) 568 // to the provider information. 569 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 570 new ArrayMap<String, PackageParser.Provider>(); 571 572 // Mapping from instrumentation class names to info about them. 573 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 574 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 575 576 // Mapping from permission names to info about them. 577 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 578 new ArrayMap<String, PackageParser.PermissionGroup>(); 579 580 // Packages whose data we have transfered into another package, thus 581 // should no longer exist. 582 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 583 584 // Broadcast actions that are only available to the system. 585 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 586 587 /** List of packages waiting for verification. */ 588 final SparseArray<PackageVerificationState> mPendingVerification 589 = new SparseArray<PackageVerificationState>(); 590 591 /** Set of packages associated with each app op permission. */ 592 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 593 594 final PackageInstallerService mInstallerService; 595 596 private final PackageDexOptimizer mPackageDexOptimizer; 597 598 private AtomicInteger mNextMoveId = new AtomicInteger(); 599 private final MoveCallbacks mMoveCallbacks; 600 601 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 602 603 // Cache of users who need badging. 604 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 605 606 /** Token for keys in mPendingVerification. */ 607 private int mPendingVerificationToken = 0; 608 609 volatile boolean mSystemReady; 610 volatile boolean mSafeMode; 611 volatile boolean mHasSystemUidErrors; 612 613 ApplicationInfo mAndroidApplication; 614 final ActivityInfo mResolveActivity = new ActivityInfo(); 615 final ResolveInfo mResolveInfo = new ResolveInfo(); 616 ComponentName mResolveComponentName; 617 PackageParser.Package mPlatformPackage; 618 ComponentName mCustomResolverComponentName; 619 620 boolean mResolverReplaced = false; 621 622 private final @Nullable ComponentName mIntentFilterVerifierComponent; 623 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 624 625 private int mIntentFilterVerificationToken = 0; 626 627 /** Component that knows whether or not an ephemeral application exists */ 628 final ComponentName mEphemeralResolverComponent; 629 /** The service connection to the ephemeral resolver */ 630 final EphemeralResolverConnection mEphemeralResolverConnection; 631 632 /** Component used to install ephemeral applications */ 633 final ComponentName mEphemeralInstallerComponent; 634 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 635 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 636 637 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 638 = new SparseArray<IntentFilterVerificationState>(); 639 640 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 641 new DefaultPermissionGrantPolicy(this); 642 643 // List of packages names to keep cached, even if they are uninstalled for all users 644 private List<String> mKeepUninstalledPackages; 645 646 private static class IFVerificationParams { 647 PackageParser.Package pkg; 648 boolean replacing; 649 int userId; 650 int verifierUid; 651 652 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 653 int _userId, int _verifierUid) { 654 pkg = _pkg; 655 replacing = _replacing; 656 userId = _userId; 657 replacing = _replacing; 658 verifierUid = _verifierUid; 659 } 660 } 661 662 private interface IntentFilterVerifier<T extends IntentFilter> { 663 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 664 T filter, String packageName); 665 void startVerifications(int userId); 666 void receiveVerificationResponse(int verificationId); 667 } 668 669 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 670 private Context mContext; 671 private ComponentName mIntentFilterVerifierComponent; 672 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 673 674 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 675 mContext = context; 676 mIntentFilterVerifierComponent = verifierComponent; 677 } 678 679 private String getDefaultScheme() { 680 return IntentFilter.SCHEME_HTTPS; 681 } 682 683 @Override 684 public void startVerifications(int userId) { 685 // Launch verifications requests 686 int count = mCurrentIntentFilterVerifications.size(); 687 for (int n=0; n<count; n++) { 688 int verificationId = mCurrentIntentFilterVerifications.get(n); 689 final IntentFilterVerificationState ivs = 690 mIntentFilterVerificationStates.get(verificationId); 691 692 String packageName = ivs.getPackageName(); 693 694 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 695 final int filterCount = filters.size(); 696 ArraySet<String> domainsSet = new ArraySet<>(); 697 for (int m=0; m<filterCount; m++) { 698 PackageParser.ActivityIntentInfo filter = filters.get(m); 699 domainsSet.addAll(filter.getHostsList()); 700 } 701 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 702 synchronized (mPackages) { 703 if (mSettings.createIntentFilterVerificationIfNeededLPw( 704 packageName, domainsList) != null) { 705 scheduleWriteSettingsLocked(); 706 } 707 } 708 sendVerificationRequest(userId, verificationId, ivs); 709 } 710 mCurrentIntentFilterVerifications.clear(); 711 } 712 713 private void sendVerificationRequest(int userId, int verificationId, 714 IntentFilterVerificationState ivs) { 715 716 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 717 verificationIntent.putExtra( 718 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 719 verificationId); 720 verificationIntent.putExtra( 721 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 722 getDefaultScheme()); 723 verificationIntent.putExtra( 724 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 725 ivs.getHostsString()); 726 verificationIntent.putExtra( 727 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 728 ivs.getPackageName()); 729 verificationIntent.setComponent(mIntentFilterVerifierComponent); 730 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 731 732 UserHandle user = new UserHandle(userId); 733 mContext.sendBroadcastAsUser(verificationIntent, user); 734 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 735 "Sending IntentFilter verification broadcast"); 736 } 737 738 public void receiveVerificationResponse(int verificationId) { 739 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 740 741 final boolean verified = ivs.isVerified(); 742 743 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 744 final int count = filters.size(); 745 if (DEBUG_DOMAIN_VERIFICATION) { 746 Slog.i(TAG, "Received verification response " + verificationId 747 + " for " + count + " filters, verified=" + verified); 748 } 749 for (int n=0; n<count; n++) { 750 PackageParser.ActivityIntentInfo filter = filters.get(n); 751 filter.setVerified(verified); 752 753 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 754 + " verified with result:" + verified + " and hosts:" 755 + ivs.getHostsString()); 756 } 757 758 mIntentFilterVerificationStates.remove(verificationId); 759 760 final String packageName = ivs.getPackageName(); 761 IntentFilterVerificationInfo ivi = null; 762 763 synchronized (mPackages) { 764 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 765 } 766 if (ivi == null) { 767 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 768 + verificationId + " packageName:" + packageName); 769 return; 770 } 771 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 772 "Updating IntentFilterVerificationInfo for package " + packageName 773 +" verificationId:" + verificationId); 774 775 synchronized (mPackages) { 776 if (verified) { 777 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 778 } else { 779 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 780 } 781 scheduleWriteSettingsLocked(); 782 783 final int userId = ivs.getUserId(); 784 if (userId != UserHandle.USER_ALL) { 785 final int userStatus = 786 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 787 788 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 789 boolean needUpdate = false; 790 791 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 792 // already been set by the User thru the Disambiguation dialog 793 switch (userStatus) { 794 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 795 if (verified) { 796 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 797 } else { 798 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 799 } 800 needUpdate = true; 801 break; 802 803 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 804 if (verified) { 805 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 806 needUpdate = true; 807 } 808 break; 809 810 default: 811 // Nothing to do 812 } 813 814 if (needUpdate) { 815 mSettings.updateIntentFilterVerificationStatusLPw( 816 packageName, updatedStatus, userId); 817 scheduleWritePackageRestrictionsLocked(userId); 818 } 819 } 820 } 821 } 822 823 @Override 824 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 825 ActivityIntentInfo filter, String packageName) { 826 if (!hasValidDomains(filter)) { 827 return false; 828 } 829 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 830 if (ivs == null) { 831 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 832 packageName); 833 } 834 if (DEBUG_DOMAIN_VERIFICATION) { 835 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 836 } 837 ivs.addFilter(filter); 838 return true; 839 } 840 841 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 842 int userId, int verificationId, String packageName) { 843 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 844 verifierUid, userId, packageName); 845 ivs.setPendingState(); 846 synchronized (mPackages) { 847 mIntentFilterVerificationStates.append(verificationId, ivs); 848 mCurrentIntentFilterVerifications.add(verificationId); 849 } 850 return ivs; 851 } 852 } 853 854 private static boolean hasValidDomains(ActivityIntentInfo filter) { 855 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 856 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 857 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 858 } 859 860 // Set of pending broadcasts for aggregating enable/disable of components. 861 static class PendingPackageBroadcasts { 862 // for each user id, a map of <package name -> components within that package> 863 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 864 865 public PendingPackageBroadcasts() { 866 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 867 } 868 869 public ArrayList<String> get(int userId, String packageName) { 870 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 871 return packages.get(packageName); 872 } 873 874 public void put(int userId, String packageName, ArrayList<String> components) { 875 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 876 packages.put(packageName, components); 877 } 878 879 public void remove(int userId, String packageName) { 880 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 881 if (packages != null) { 882 packages.remove(packageName); 883 } 884 } 885 886 public void remove(int userId) { 887 mUidMap.remove(userId); 888 } 889 890 public int userIdCount() { 891 return mUidMap.size(); 892 } 893 894 public int userIdAt(int n) { 895 return mUidMap.keyAt(n); 896 } 897 898 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 899 return mUidMap.get(userId); 900 } 901 902 public int size() { 903 // total number of pending broadcast entries across all userIds 904 int num = 0; 905 for (int i = 0; i< mUidMap.size(); i++) { 906 num += mUidMap.valueAt(i).size(); 907 } 908 return num; 909 } 910 911 public void clear() { 912 mUidMap.clear(); 913 } 914 915 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 916 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 917 if (map == null) { 918 map = new ArrayMap<String, ArrayList<String>>(); 919 mUidMap.put(userId, map); 920 } 921 return map; 922 } 923 } 924 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 925 926 // Service Connection to remote media container service to copy 927 // package uri's from external media onto secure containers 928 // or internal storage. 929 private IMediaContainerService mContainerService = null; 930 931 static final int SEND_PENDING_BROADCAST = 1; 932 static final int MCS_BOUND = 3; 933 static final int END_COPY = 4; 934 static final int INIT_COPY = 5; 935 static final int MCS_UNBIND = 6; 936 static final int START_CLEANING_PACKAGE = 7; 937 static final int FIND_INSTALL_LOC = 8; 938 static final int POST_INSTALL = 9; 939 static final int MCS_RECONNECT = 10; 940 static final int MCS_GIVE_UP = 11; 941 static final int UPDATED_MEDIA_STATUS = 12; 942 static final int WRITE_SETTINGS = 13; 943 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 944 static final int PACKAGE_VERIFIED = 15; 945 static final int CHECK_PENDING_VERIFICATION = 16; 946 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 947 static final int INTENT_FILTER_VERIFIED = 18; 948 949 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 950 951 // Delay time in millisecs 952 static final int BROADCAST_DELAY = 10 * 1000; 953 954 static UserManagerService sUserManager; 955 956 // Stores a list of users whose package restrictions file needs to be updated 957 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 958 959 final private DefaultContainerConnection mDefContainerConn = 960 new DefaultContainerConnection(); 961 class DefaultContainerConnection implements ServiceConnection { 962 public void onServiceConnected(ComponentName name, IBinder service) { 963 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 964 IMediaContainerService imcs = 965 IMediaContainerService.Stub.asInterface(service); 966 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 967 } 968 969 public void onServiceDisconnected(ComponentName name) { 970 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 971 } 972 } 973 974 // Recordkeeping of restore-after-install operations that are currently in flight 975 // between the Package Manager and the Backup Manager 976 static class PostInstallData { 977 public InstallArgs args; 978 public PackageInstalledInfo res; 979 980 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 981 args = _a; 982 res = _r; 983 } 984 } 985 986 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 987 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 988 989 // XML tags for backup/restore of various bits of state 990 private static final String TAG_PREFERRED_BACKUP = "pa"; 991 private static final String TAG_DEFAULT_APPS = "da"; 992 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 993 994 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 995 private static final String TAG_ALL_GRANTS = "rt-grants"; 996 private static final String TAG_GRANT = "grant"; 997 private static final String ATTR_PACKAGE_NAME = "pkg"; 998 999 private static final String TAG_PERMISSION = "perm"; 1000 private static final String ATTR_PERMISSION_NAME = "name"; 1001 private static final String ATTR_IS_GRANTED = "g"; 1002 private static final String ATTR_USER_SET = "set"; 1003 private static final String ATTR_USER_FIXED = "fixed"; 1004 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1005 1006 // System/policy permission grants are not backed up 1007 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1008 FLAG_PERMISSION_POLICY_FIXED 1009 | FLAG_PERMISSION_SYSTEM_FIXED 1010 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1011 1012 // And we back up these user-adjusted states 1013 private static final int USER_RUNTIME_GRANT_MASK = 1014 FLAG_PERMISSION_USER_SET 1015 | FLAG_PERMISSION_USER_FIXED 1016 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1017 1018 final @Nullable String mRequiredVerifierPackage; 1019 final @Nullable String mRequiredInstallerPackage; 1020 1021 private final PackageUsage mPackageUsage = new PackageUsage(); 1022 1023 private class PackageUsage { 1024 private static final int WRITE_INTERVAL 1025 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1026 1027 private final Object mFileLock = new Object(); 1028 private final AtomicLong mLastWritten = new AtomicLong(0); 1029 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1030 1031 private boolean mIsHistoricalPackageUsageAvailable = true; 1032 1033 boolean isHistoricalPackageUsageAvailable() { 1034 return mIsHistoricalPackageUsageAvailable; 1035 } 1036 1037 void write(boolean force) { 1038 if (force) { 1039 writeInternal(); 1040 return; 1041 } 1042 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1043 && !DEBUG_DEXOPT) { 1044 return; 1045 } 1046 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1047 new Thread("PackageUsage_DiskWriter") { 1048 @Override 1049 public void run() { 1050 try { 1051 writeInternal(); 1052 } finally { 1053 mBackgroundWriteRunning.set(false); 1054 } 1055 } 1056 }.start(); 1057 } 1058 } 1059 1060 private void writeInternal() { 1061 synchronized (mPackages) { 1062 synchronized (mFileLock) { 1063 AtomicFile file = getFile(); 1064 FileOutputStream f = null; 1065 try { 1066 f = file.startWrite(); 1067 BufferedOutputStream out = new BufferedOutputStream(f); 1068 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1069 StringBuilder sb = new StringBuilder(); 1070 for (PackageParser.Package pkg : mPackages.values()) { 1071 if (pkg.mLastPackageUsageTimeInMills == 0) { 1072 continue; 1073 } 1074 sb.setLength(0); 1075 sb.append(pkg.packageName); 1076 sb.append(' '); 1077 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1078 sb.append('\n'); 1079 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1080 } 1081 out.flush(); 1082 file.finishWrite(f); 1083 } catch (IOException e) { 1084 if (f != null) { 1085 file.failWrite(f); 1086 } 1087 Log.e(TAG, "Failed to write package usage times", e); 1088 } 1089 } 1090 } 1091 mLastWritten.set(SystemClock.elapsedRealtime()); 1092 } 1093 1094 void readLP() { 1095 synchronized (mFileLock) { 1096 AtomicFile file = getFile(); 1097 BufferedInputStream in = null; 1098 try { 1099 in = new BufferedInputStream(file.openRead()); 1100 StringBuffer sb = new StringBuffer(); 1101 while (true) { 1102 String packageName = readToken(in, sb, ' '); 1103 if (packageName == null) { 1104 break; 1105 } 1106 String timeInMillisString = readToken(in, sb, '\n'); 1107 if (timeInMillisString == null) { 1108 throw new IOException("Failed to find last usage time for package " 1109 + packageName); 1110 } 1111 PackageParser.Package pkg = mPackages.get(packageName); 1112 if (pkg == null) { 1113 continue; 1114 } 1115 long timeInMillis; 1116 try { 1117 timeInMillis = Long.parseLong(timeInMillisString); 1118 } catch (NumberFormatException e) { 1119 throw new IOException("Failed to parse " + timeInMillisString 1120 + " as a long.", e); 1121 } 1122 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1123 } 1124 } catch (FileNotFoundException expected) { 1125 mIsHistoricalPackageUsageAvailable = false; 1126 } catch (IOException e) { 1127 Log.w(TAG, "Failed to read package usage times", e); 1128 } finally { 1129 IoUtils.closeQuietly(in); 1130 } 1131 } 1132 mLastWritten.set(SystemClock.elapsedRealtime()); 1133 } 1134 1135 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1136 throws IOException { 1137 sb.setLength(0); 1138 while (true) { 1139 int ch = in.read(); 1140 if (ch == -1) { 1141 if (sb.length() == 0) { 1142 return null; 1143 } 1144 throw new IOException("Unexpected EOF"); 1145 } 1146 if (ch == endOfToken) { 1147 return sb.toString(); 1148 } 1149 sb.append((char)ch); 1150 } 1151 } 1152 1153 private AtomicFile getFile() { 1154 File dataDir = Environment.getDataDirectory(); 1155 File systemDir = new File(dataDir, "system"); 1156 File fname = new File(systemDir, "package-usage.list"); 1157 return new AtomicFile(fname); 1158 } 1159 } 1160 1161 class PackageHandler extends Handler { 1162 private boolean mBound = false; 1163 final ArrayList<HandlerParams> mPendingInstalls = 1164 new ArrayList<HandlerParams>(); 1165 1166 private boolean connectToService() { 1167 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1168 " DefaultContainerService"); 1169 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1170 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1171 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1172 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1173 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1174 mBound = true; 1175 return true; 1176 } 1177 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1178 return false; 1179 } 1180 1181 private void disconnectService() { 1182 mContainerService = null; 1183 mBound = false; 1184 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1185 mContext.unbindService(mDefContainerConn); 1186 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1187 } 1188 1189 PackageHandler(Looper looper) { 1190 super(looper); 1191 } 1192 1193 public void handleMessage(Message msg) { 1194 try { 1195 doHandleMessage(msg); 1196 } finally { 1197 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1198 } 1199 } 1200 1201 void doHandleMessage(Message msg) { 1202 switch (msg.what) { 1203 case INIT_COPY: { 1204 HandlerParams params = (HandlerParams) msg.obj; 1205 int idx = mPendingInstalls.size(); 1206 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1207 // If a bind was already initiated we dont really 1208 // need to do anything. The pending install 1209 // will be processed later on. 1210 if (!mBound) { 1211 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1212 System.identityHashCode(mHandler)); 1213 // If this is the only one pending we might 1214 // have to bind to the service again. 1215 if (!connectToService()) { 1216 Slog.e(TAG, "Failed to bind to media container service"); 1217 params.serviceError(); 1218 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1219 System.identityHashCode(mHandler)); 1220 if (params.traceMethod != null) { 1221 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1222 params.traceCookie); 1223 } 1224 return; 1225 } else { 1226 // Once we bind to the service, the first 1227 // pending request will be processed. 1228 mPendingInstalls.add(idx, params); 1229 } 1230 } else { 1231 mPendingInstalls.add(idx, params); 1232 // Already bound to the service. Just make 1233 // sure we trigger off processing the first request. 1234 if (idx == 0) { 1235 mHandler.sendEmptyMessage(MCS_BOUND); 1236 } 1237 } 1238 break; 1239 } 1240 case MCS_BOUND: { 1241 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1242 if (msg.obj != null) { 1243 mContainerService = (IMediaContainerService) msg.obj; 1244 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1245 System.identityHashCode(mHandler)); 1246 } 1247 if (mContainerService == null) { 1248 if (!mBound) { 1249 // Something seriously wrong since we are not bound and we are not 1250 // waiting for connection. Bail out. 1251 Slog.e(TAG, "Cannot bind to media container service"); 1252 for (HandlerParams params : mPendingInstalls) { 1253 // Indicate service bind error 1254 params.serviceError(); 1255 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1256 System.identityHashCode(params)); 1257 if (params.traceMethod != null) { 1258 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1259 params.traceMethod, params.traceCookie); 1260 } 1261 return; 1262 } 1263 mPendingInstalls.clear(); 1264 } else { 1265 Slog.w(TAG, "Waiting to connect to media container service"); 1266 } 1267 } else if (mPendingInstalls.size() > 0) { 1268 HandlerParams params = mPendingInstalls.get(0); 1269 if (params != null) { 1270 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1271 System.identityHashCode(params)); 1272 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1273 if (params.startCopy()) { 1274 // We are done... look for more work or to 1275 // go idle. 1276 if (DEBUG_SD_INSTALL) Log.i(TAG, 1277 "Checking for more work or unbind..."); 1278 // Delete pending install 1279 if (mPendingInstalls.size() > 0) { 1280 mPendingInstalls.remove(0); 1281 } 1282 if (mPendingInstalls.size() == 0) { 1283 if (mBound) { 1284 if (DEBUG_SD_INSTALL) Log.i(TAG, 1285 "Posting delayed MCS_UNBIND"); 1286 removeMessages(MCS_UNBIND); 1287 Message ubmsg = obtainMessage(MCS_UNBIND); 1288 // Unbind after a little delay, to avoid 1289 // continual thrashing. 1290 sendMessageDelayed(ubmsg, 10000); 1291 } 1292 } else { 1293 // There are more pending requests in queue. 1294 // Just post MCS_BOUND message to trigger processing 1295 // of next pending install. 1296 if (DEBUG_SD_INSTALL) Log.i(TAG, 1297 "Posting MCS_BOUND for next work"); 1298 mHandler.sendEmptyMessage(MCS_BOUND); 1299 } 1300 } 1301 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1302 } 1303 } else { 1304 // Should never happen ideally. 1305 Slog.w(TAG, "Empty queue"); 1306 } 1307 break; 1308 } 1309 case MCS_RECONNECT: { 1310 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1311 if (mPendingInstalls.size() > 0) { 1312 if (mBound) { 1313 disconnectService(); 1314 } 1315 if (!connectToService()) { 1316 Slog.e(TAG, "Failed to bind to media container service"); 1317 for (HandlerParams params : mPendingInstalls) { 1318 // Indicate service bind error 1319 params.serviceError(); 1320 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1321 System.identityHashCode(params)); 1322 } 1323 mPendingInstalls.clear(); 1324 } 1325 } 1326 break; 1327 } 1328 case MCS_UNBIND: { 1329 // If there is no actual work left, then time to unbind. 1330 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1331 1332 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1333 if (mBound) { 1334 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1335 1336 disconnectService(); 1337 } 1338 } else if (mPendingInstalls.size() > 0) { 1339 // There are more pending requests in queue. 1340 // Just post MCS_BOUND message to trigger processing 1341 // of next pending install. 1342 mHandler.sendEmptyMessage(MCS_BOUND); 1343 } 1344 1345 break; 1346 } 1347 case MCS_GIVE_UP: { 1348 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1349 HandlerParams params = mPendingInstalls.remove(0); 1350 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1351 System.identityHashCode(params)); 1352 break; 1353 } 1354 case SEND_PENDING_BROADCAST: { 1355 String packages[]; 1356 ArrayList<String> components[]; 1357 int size = 0; 1358 int uids[]; 1359 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1360 synchronized (mPackages) { 1361 if (mPendingBroadcasts == null) { 1362 return; 1363 } 1364 size = mPendingBroadcasts.size(); 1365 if (size <= 0) { 1366 // Nothing to be done. Just return 1367 return; 1368 } 1369 packages = new String[size]; 1370 components = new ArrayList[size]; 1371 uids = new int[size]; 1372 int i = 0; // filling out the above arrays 1373 1374 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1375 int packageUserId = mPendingBroadcasts.userIdAt(n); 1376 Iterator<Map.Entry<String, ArrayList<String>>> it 1377 = mPendingBroadcasts.packagesForUserId(packageUserId) 1378 .entrySet().iterator(); 1379 while (it.hasNext() && i < size) { 1380 Map.Entry<String, ArrayList<String>> ent = it.next(); 1381 packages[i] = ent.getKey(); 1382 components[i] = ent.getValue(); 1383 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1384 uids[i] = (ps != null) 1385 ? UserHandle.getUid(packageUserId, ps.appId) 1386 : -1; 1387 i++; 1388 } 1389 } 1390 size = i; 1391 mPendingBroadcasts.clear(); 1392 } 1393 // Send broadcasts 1394 for (int i = 0; i < size; i++) { 1395 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1396 } 1397 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1398 break; 1399 } 1400 case START_CLEANING_PACKAGE: { 1401 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1402 final String packageName = (String)msg.obj; 1403 final int userId = msg.arg1; 1404 final boolean andCode = msg.arg2 != 0; 1405 synchronized (mPackages) { 1406 if (userId == UserHandle.USER_ALL) { 1407 int[] users = sUserManager.getUserIds(); 1408 for (int user : users) { 1409 mSettings.addPackageToCleanLPw( 1410 new PackageCleanItem(user, packageName, andCode)); 1411 } 1412 } else { 1413 mSettings.addPackageToCleanLPw( 1414 new PackageCleanItem(userId, packageName, andCode)); 1415 } 1416 } 1417 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1418 startCleaningPackages(); 1419 } break; 1420 case POST_INSTALL: { 1421 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1422 1423 PostInstallData data = mRunningInstalls.get(msg.arg1); 1424 mRunningInstalls.delete(msg.arg1); 1425 1426 if (data != null) { 1427 InstallArgs args = data.args; 1428 PackageInstalledInfo parentRes = data.res; 1429 1430 final boolean grantPermissions = (args.installFlags 1431 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1432 final boolean killApp = (args.installFlags 1433 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1434 final String[] grantedPermissions = args.installGrantPermissions; 1435 1436 // Handle the parent package 1437 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1438 grantedPermissions, args.observer); 1439 1440 // Handle the child packages 1441 final int childCount = (parentRes.addedChildPackages != null) 1442 ? parentRes.addedChildPackages.size() : 0; 1443 for (int i = 0; i < childCount; i++) { 1444 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1445 handlePackagePostInstall(childRes, grantPermissions, killApp, 1446 grantedPermissions, args.observer); 1447 } 1448 1449 // Log tracing if needed 1450 if (args.traceMethod != null) { 1451 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1452 args.traceCookie); 1453 } 1454 } else { 1455 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1456 } 1457 1458 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1459 } break; 1460 case UPDATED_MEDIA_STATUS: { 1461 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1462 boolean reportStatus = msg.arg1 == 1; 1463 boolean doGc = msg.arg2 == 1; 1464 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1465 if (doGc) { 1466 // Force a gc to clear up stale containers. 1467 Runtime.getRuntime().gc(); 1468 } 1469 if (msg.obj != null) { 1470 @SuppressWarnings("unchecked") 1471 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1472 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1473 // Unload containers 1474 unloadAllContainers(args); 1475 } 1476 if (reportStatus) { 1477 try { 1478 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1479 PackageHelper.getMountService().finishMediaUpdate(); 1480 } catch (RemoteException e) { 1481 Log.e(TAG, "MountService not running?"); 1482 } 1483 } 1484 } break; 1485 case WRITE_SETTINGS: { 1486 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1487 synchronized (mPackages) { 1488 removeMessages(WRITE_SETTINGS); 1489 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1490 mSettings.writeLPr(); 1491 mDirtyUsers.clear(); 1492 } 1493 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1494 } break; 1495 case WRITE_PACKAGE_RESTRICTIONS: { 1496 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1497 synchronized (mPackages) { 1498 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1499 for (int userId : mDirtyUsers) { 1500 mSettings.writePackageRestrictionsLPr(userId); 1501 } 1502 mDirtyUsers.clear(); 1503 } 1504 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1505 } break; 1506 case CHECK_PENDING_VERIFICATION: { 1507 final int verificationId = msg.arg1; 1508 final PackageVerificationState state = mPendingVerification.get(verificationId); 1509 1510 if ((state != null) && !state.timeoutExtended()) { 1511 final InstallArgs args = state.getInstallArgs(); 1512 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1513 1514 Slog.i(TAG, "Verification timed out for " + originUri); 1515 mPendingVerification.remove(verificationId); 1516 1517 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1518 1519 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1520 Slog.i(TAG, "Continuing with installation of " + originUri); 1521 state.setVerifierResponse(Binder.getCallingUid(), 1522 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1523 broadcastPackageVerified(verificationId, originUri, 1524 PackageManager.VERIFICATION_ALLOW, 1525 state.getInstallArgs().getUser()); 1526 try { 1527 ret = args.copyApk(mContainerService, true); 1528 } catch (RemoteException e) { 1529 Slog.e(TAG, "Could not contact the ContainerService"); 1530 } 1531 } else { 1532 broadcastPackageVerified(verificationId, originUri, 1533 PackageManager.VERIFICATION_REJECT, 1534 state.getInstallArgs().getUser()); 1535 } 1536 1537 Trace.asyncTraceEnd( 1538 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1539 1540 processPendingInstall(args, ret); 1541 mHandler.sendEmptyMessage(MCS_UNBIND); 1542 } 1543 break; 1544 } 1545 case PACKAGE_VERIFIED: { 1546 final int verificationId = msg.arg1; 1547 1548 final PackageVerificationState state = mPendingVerification.get(verificationId); 1549 if (state == null) { 1550 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1551 break; 1552 } 1553 1554 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1555 1556 state.setVerifierResponse(response.callerUid, response.code); 1557 1558 if (state.isVerificationComplete()) { 1559 mPendingVerification.remove(verificationId); 1560 1561 final InstallArgs args = state.getInstallArgs(); 1562 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1563 1564 int ret; 1565 if (state.isInstallAllowed()) { 1566 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1567 broadcastPackageVerified(verificationId, originUri, 1568 response.code, state.getInstallArgs().getUser()); 1569 try { 1570 ret = args.copyApk(mContainerService, true); 1571 } catch (RemoteException e) { 1572 Slog.e(TAG, "Could not contact the ContainerService"); 1573 } 1574 } else { 1575 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1576 } 1577 1578 Trace.asyncTraceEnd( 1579 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1580 1581 processPendingInstall(args, ret); 1582 mHandler.sendEmptyMessage(MCS_UNBIND); 1583 } 1584 1585 break; 1586 } 1587 case START_INTENT_FILTER_VERIFICATIONS: { 1588 IFVerificationParams params = (IFVerificationParams) msg.obj; 1589 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1590 params.replacing, params.pkg); 1591 break; 1592 } 1593 case INTENT_FILTER_VERIFIED: { 1594 final int verificationId = msg.arg1; 1595 1596 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1597 verificationId); 1598 if (state == null) { 1599 Slog.w(TAG, "Invalid IntentFilter verification token " 1600 + verificationId + " received"); 1601 break; 1602 } 1603 1604 final int userId = state.getUserId(); 1605 1606 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1607 "Processing IntentFilter verification with token:" 1608 + verificationId + " and userId:" + userId); 1609 1610 final IntentFilterVerificationResponse response = 1611 (IntentFilterVerificationResponse) msg.obj; 1612 1613 state.setVerifierResponse(response.callerUid, response.code); 1614 1615 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1616 "IntentFilter verification with token:" + verificationId 1617 + " and userId:" + userId 1618 + " is settings verifier response with response code:" 1619 + response.code); 1620 1621 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1622 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1623 + response.getFailedDomainsString()); 1624 } 1625 1626 if (state.isVerificationComplete()) { 1627 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1628 } else { 1629 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1630 "IntentFilter verification with token:" + verificationId 1631 + " was not said to be complete"); 1632 } 1633 1634 break; 1635 } 1636 } 1637 } 1638 } 1639 1640 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1641 boolean killApp, String[] grantedPermissions, 1642 IPackageInstallObserver2 installObserver) { 1643 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1644 // Send the removed broadcasts 1645 if (res.removedInfo != null) { 1646 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1647 } 1648 1649 // Now that we successfully installed the package, grant runtime 1650 // permissions if requested before broadcasting the install. 1651 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1652 >= Build.VERSION_CODES.M) { 1653 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1654 } 1655 1656 final boolean update = res.removedInfo != null 1657 && res.removedInfo.removedPackage != null; 1658 1659 // If this is the first time we have child packages for a disabled privileged 1660 // app that had no children, we grant requested runtime permissions to the new 1661 // children if the parent on the system image had them already granted. 1662 if (res.pkg.parentPackage != null) { 1663 synchronized (mPackages) { 1664 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1665 } 1666 } 1667 1668 synchronized (mPackages) { 1669 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1670 } 1671 1672 final String packageName = res.pkg.applicationInfo.packageName; 1673 Bundle extras = new Bundle(1); 1674 extras.putInt(Intent.EXTRA_UID, res.uid); 1675 1676 // Determine the set of users who are adding this package for 1677 // the first time vs. those who are seeing an update. 1678 int[] firstUsers = EMPTY_INT_ARRAY; 1679 int[] updateUsers = EMPTY_INT_ARRAY; 1680 if (res.origUsers == null || res.origUsers.length == 0) { 1681 firstUsers = res.newUsers; 1682 } else { 1683 for (int newUser : res.newUsers) { 1684 boolean isNew = true; 1685 for (int origUser : res.origUsers) { 1686 if (origUser == newUser) { 1687 isNew = false; 1688 break; 1689 } 1690 } 1691 if (isNew) { 1692 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1693 } else { 1694 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1695 } 1696 } 1697 } 1698 1699 // Send installed broadcasts if the install/update is not ephemeral 1700 if (!isEphemeral(res.pkg)) { 1701 // Send added for users that see the package for the first time 1702 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1703 extras, 0 /*flags*/, null /*targetPackage*/, 1704 null /*finishedReceiver*/, firstUsers); 1705 1706 // Send added for users that don't see the package for the first time 1707 if (update) { 1708 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1709 } 1710 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1711 extras, 0 /*flags*/, null /*targetPackage*/, 1712 null /*finishedReceiver*/, updateUsers); 1713 1714 // Send replaced for users that don't see the package for the first time 1715 if (update) { 1716 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1717 packageName, extras, 0 /*flags*/, 1718 null /*targetPackage*/, null /*finishedReceiver*/, 1719 updateUsers); 1720 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1721 null /*package*/, null /*extras*/, 0 /*flags*/, 1722 packageName /*targetPackage*/, 1723 null /*finishedReceiver*/, updateUsers); 1724 } 1725 1726 // Send broadcast package appeared if forward locked/external for all users 1727 // treat asec-hosted packages like removable media on upgrade 1728 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1729 if (DEBUG_INSTALL) { 1730 Slog.i(TAG, "upgrading pkg " + res.pkg 1731 + " is ASEC-hosted -> AVAILABLE"); 1732 } 1733 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1734 ArrayList<String> pkgList = new ArrayList<>(1); 1735 pkgList.add(packageName); 1736 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1737 } 1738 } 1739 1740 // Work that needs to happen on first install within each user 1741 if (firstUsers != null && firstUsers.length > 0) { 1742 synchronized (mPackages) { 1743 for (int userId : firstUsers) { 1744 // If this app is a browser and it's newly-installed for some 1745 // users, clear any default-browser state in those users. The 1746 // app's nature doesn't depend on the user, so we can just check 1747 // its browser nature in any user and generalize. 1748 if (packageIsBrowser(packageName, userId)) { 1749 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1750 } 1751 1752 // We may also need to apply pending (restored) runtime 1753 // permission grants within these users. 1754 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1755 } 1756 } 1757 } 1758 1759 // Log current value of "unknown sources" setting 1760 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1761 getUnknownSourcesSettings()); 1762 1763 // Force a gc to clear up things 1764 Runtime.getRuntime().gc(); 1765 1766 // Remove the replaced package's older resources safely now 1767 // We delete after a gc for applications on sdcard. 1768 if (res.removedInfo != null && res.removedInfo.args != null) { 1769 synchronized (mInstallLock) { 1770 res.removedInfo.args.doPostDeleteLI(true); 1771 } 1772 } 1773 } 1774 1775 // If someone is watching installs - notify them 1776 if (installObserver != null) { 1777 try { 1778 Bundle extras = extrasForInstallResult(res); 1779 installObserver.onPackageInstalled(res.name, res.returnCode, 1780 res.returnMsg, extras); 1781 } catch (RemoteException e) { 1782 Slog.i(TAG, "Observer no longer exists."); 1783 } 1784 } 1785 } 1786 1787 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1788 PackageParser.Package pkg) { 1789 if (pkg.parentPackage == null) { 1790 return; 1791 } 1792 if (pkg.requestedPermissions == null) { 1793 return; 1794 } 1795 final PackageSetting disabledSysParentPs = mSettings 1796 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1797 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1798 || !disabledSysParentPs.isPrivileged() 1799 || (disabledSysParentPs.childPackageNames != null 1800 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1801 return; 1802 } 1803 final int[] allUserIds = sUserManager.getUserIds(); 1804 final int permCount = pkg.requestedPermissions.size(); 1805 for (int i = 0; i < permCount; i++) { 1806 String permission = pkg.requestedPermissions.get(i); 1807 BasePermission bp = mSettings.mPermissions.get(permission); 1808 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1809 continue; 1810 } 1811 for (int userId : allUserIds) { 1812 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1813 permission, userId)) { 1814 grantRuntimePermission(pkg.packageName, permission, userId); 1815 } 1816 } 1817 } 1818 } 1819 1820 private StorageEventListener mStorageListener = new StorageEventListener() { 1821 @Override 1822 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1823 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1824 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1825 final String volumeUuid = vol.getFsUuid(); 1826 1827 // Clean up any users or apps that were removed or recreated 1828 // while this volume was missing 1829 reconcileUsers(volumeUuid); 1830 reconcileApps(volumeUuid); 1831 1832 // Clean up any install sessions that expired or were 1833 // cancelled while this volume was missing 1834 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1835 1836 loadPrivatePackages(vol); 1837 1838 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1839 unloadPrivatePackages(vol); 1840 } 1841 } 1842 1843 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1844 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1845 updateExternalMediaStatus(true, false); 1846 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1847 updateExternalMediaStatus(false, false); 1848 } 1849 } 1850 } 1851 1852 @Override 1853 public void onVolumeForgotten(String fsUuid) { 1854 if (TextUtils.isEmpty(fsUuid)) { 1855 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1856 return; 1857 } 1858 1859 // Remove any apps installed on the forgotten volume 1860 synchronized (mPackages) { 1861 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1862 for (PackageSetting ps : packages) { 1863 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1864 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1865 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1866 } 1867 1868 mSettings.onVolumeForgotten(fsUuid); 1869 mSettings.writeLPr(); 1870 } 1871 } 1872 }; 1873 1874 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1875 String[] grantedPermissions) { 1876 for (int userId : userIds) { 1877 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1878 } 1879 1880 // We could have touched GID membership, so flush out packages.list 1881 synchronized (mPackages) { 1882 mSettings.writePackageListLPr(); 1883 } 1884 } 1885 1886 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1887 String[] grantedPermissions) { 1888 SettingBase sb = (SettingBase) pkg.mExtras; 1889 if (sb == null) { 1890 return; 1891 } 1892 1893 PermissionsState permissionsState = sb.getPermissionsState(); 1894 1895 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1896 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1897 1898 synchronized (mPackages) { 1899 for (String permission : pkg.requestedPermissions) { 1900 BasePermission bp = mSettings.mPermissions.get(permission); 1901 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1902 && (grantedPermissions == null 1903 || ArrayUtils.contains(grantedPermissions, permission))) { 1904 final int flags = permissionsState.getPermissionFlags(permission, userId); 1905 // Installer cannot change immutable permissions. 1906 if ((flags & immutableFlags) == 0) { 1907 grantRuntimePermission(pkg.packageName, permission, userId); 1908 } 1909 } 1910 } 1911 } 1912 } 1913 1914 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1915 Bundle extras = null; 1916 switch (res.returnCode) { 1917 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1918 extras = new Bundle(); 1919 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1920 res.origPermission); 1921 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1922 res.origPackage); 1923 break; 1924 } 1925 case PackageManager.INSTALL_SUCCEEDED: { 1926 extras = new Bundle(); 1927 extras.putBoolean(Intent.EXTRA_REPLACING, 1928 res.removedInfo != null && res.removedInfo.removedPackage != null); 1929 break; 1930 } 1931 } 1932 return extras; 1933 } 1934 1935 void scheduleWriteSettingsLocked() { 1936 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1937 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1938 } 1939 } 1940 1941 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1942 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1943 scheduleWritePackageRestrictionsLocked(userId); 1944 } 1945 1946 void scheduleWritePackageRestrictionsLocked(int userId) { 1947 final int[] userIds = (userId == UserHandle.USER_ALL) 1948 ? sUserManager.getUserIds() : new int[]{userId}; 1949 for (int nextUserId : userIds) { 1950 if (!sUserManager.exists(nextUserId)) return; 1951 mDirtyUsers.add(nextUserId); 1952 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1953 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1954 } 1955 } 1956 } 1957 1958 public static PackageManagerService main(Context context, Installer installer, 1959 boolean factoryTest, boolean onlyCore) { 1960 PackageManagerService m = new PackageManagerService(context, installer, 1961 factoryTest, onlyCore); 1962 m.enableSystemUserPackages(); 1963 ServiceManager.addService("package", m); 1964 return m; 1965 } 1966 1967 private void enableSystemUserPackages() { 1968 if (!UserManager.isSplitSystemUser()) { 1969 return; 1970 } 1971 // For system user, enable apps based on the following conditions: 1972 // - app is whitelisted or belong to one of these groups: 1973 // -- system app which has no launcher icons 1974 // -- system app which has INTERACT_ACROSS_USERS permission 1975 // -- system IME app 1976 // - app is not in the blacklist 1977 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1978 Set<String> enableApps = new ArraySet<>(); 1979 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1980 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1981 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1982 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1983 enableApps.addAll(wlApps); 1984 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1985 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1986 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1987 enableApps.removeAll(blApps); 1988 Log.i(TAG, "Applications installed for system user: " + enableApps); 1989 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1990 UserHandle.SYSTEM); 1991 final int allAppsSize = allAps.size(); 1992 synchronized (mPackages) { 1993 for (int i = 0; i < allAppsSize; i++) { 1994 String pName = allAps.get(i); 1995 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1996 // Should not happen, but we shouldn't be failing if it does 1997 if (pkgSetting == null) { 1998 continue; 1999 } 2000 boolean install = enableApps.contains(pName); 2001 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2002 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2003 + " for system user"); 2004 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2005 } 2006 } 2007 } 2008 } 2009 2010 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2011 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2012 Context.DISPLAY_SERVICE); 2013 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2014 } 2015 2016 public PackageManagerService(Context context, Installer installer, 2017 boolean factoryTest, boolean onlyCore) { 2018 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2019 SystemClock.uptimeMillis()); 2020 2021 if (mSdkVersion <= 0) { 2022 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2023 } 2024 2025 mContext = context; 2026 mFactoryTest = factoryTest; 2027 mOnlyCore = onlyCore; 2028 mMetrics = new DisplayMetrics(); 2029 mSettings = new Settings(mPackages); 2030 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2031 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2032 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2033 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2034 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2035 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2036 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2037 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2038 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2039 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2040 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2041 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2042 2043 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2044 if (separateProcesses != null && separateProcesses.length() > 0) { 2045 if ("*".equals(separateProcesses)) { 2046 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2047 mSeparateProcesses = null; 2048 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2049 } else { 2050 mDefParseFlags = 0; 2051 mSeparateProcesses = separateProcesses.split(","); 2052 Slog.w(TAG, "Running with debug.separate_processes: " 2053 + separateProcesses); 2054 } 2055 } else { 2056 mDefParseFlags = 0; 2057 mSeparateProcesses = null; 2058 } 2059 2060 mInstaller = installer; 2061 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2062 "*dexopt*"); 2063 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2064 2065 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2066 FgThread.get().getLooper()); 2067 2068 getDefaultDisplayMetrics(context, mMetrics); 2069 2070 SystemConfig systemConfig = SystemConfig.getInstance(); 2071 mGlobalGids = systemConfig.getGlobalGids(); 2072 mSystemPermissions = systemConfig.getSystemPermissions(); 2073 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2074 2075 synchronized (mInstallLock) { 2076 // writer 2077 synchronized (mPackages) { 2078 mHandlerThread = new ServiceThread(TAG, 2079 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2080 mHandlerThread.start(); 2081 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2082 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2083 2084 File dataDir = Environment.getDataDirectory(); 2085 mAppInstallDir = new File(dataDir, "app"); 2086 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2087 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2088 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2089 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2090 2091 sUserManager = new UserManagerService(context, this, mPackages); 2092 2093 // Propagate permission configuration in to package manager. 2094 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2095 = systemConfig.getPermissions(); 2096 for (int i=0; i<permConfig.size(); i++) { 2097 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2098 BasePermission bp = mSettings.mPermissions.get(perm.name); 2099 if (bp == null) { 2100 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2101 mSettings.mPermissions.put(perm.name, bp); 2102 } 2103 if (perm.gids != null) { 2104 bp.setGids(perm.gids, perm.perUser); 2105 } 2106 } 2107 2108 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2109 for (int i=0; i<libConfig.size(); i++) { 2110 mSharedLibraries.put(libConfig.keyAt(i), 2111 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2112 } 2113 2114 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2115 2116 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2117 2118 String customResolverActivity = Resources.getSystem().getString( 2119 R.string.config_customResolverActivity); 2120 if (TextUtils.isEmpty(customResolverActivity)) { 2121 customResolverActivity = null; 2122 } else { 2123 mCustomResolverComponentName = ComponentName.unflattenFromString( 2124 customResolverActivity); 2125 } 2126 2127 long startTime = SystemClock.uptimeMillis(); 2128 2129 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2130 startTime); 2131 2132 // Set flag to monitor and not change apk file paths when 2133 // scanning install directories. 2134 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2135 2136 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2137 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2138 2139 if (bootClassPath == null) { 2140 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2141 } 2142 2143 if (systemServerClassPath == null) { 2144 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2145 } 2146 2147 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2148 final String[] dexCodeInstructionSets = 2149 getDexCodeInstructionSets( 2150 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2151 2152 /** 2153 * Ensure all external libraries have had dexopt run on them. 2154 */ 2155 if (mSharedLibraries.size() > 0) { 2156 // NOTE: For now, we're compiling these system "shared libraries" 2157 // (and framework jars) into all available architectures. It's possible 2158 // to compile them only when we come across an app that uses them (there's 2159 // already logic for that in scanPackageLI) but that adds some complexity. 2160 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2161 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2162 final String lib = libEntry.path; 2163 if (lib == null) { 2164 continue; 2165 } 2166 2167 try { 2168 // Shared libraries do not have profiles so we perform a full 2169 // AOT compilation (if needed). 2170 int dexoptNeeded = DexFile.getDexOptNeeded( 2171 lib, dexCodeInstructionSet, 2172 DexFile.COMPILATION_TYPE_FULL); 2173 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2174 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2175 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2176 StorageManager.UUID_PRIVATE_INTERNAL, 2177 false /*useProfiles*/); 2178 } 2179 } catch (FileNotFoundException e) { 2180 Slog.w(TAG, "Library not found: " + lib); 2181 } catch (IOException | InstallerException e) { 2182 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2183 + e.getMessage()); 2184 } 2185 } 2186 } 2187 } 2188 2189 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2190 2191 final VersionInfo ver = mSettings.getInternalVersion(); 2192 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2193 // when upgrading from pre-M, promote system app permissions from install to runtime 2194 mPromoteSystemApps = 2195 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2196 2197 // save off the names of pre-existing system packages prior to scanning; we don't 2198 // want to automatically grant runtime permissions for new system apps 2199 if (mPromoteSystemApps) { 2200 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2201 while (pkgSettingIter.hasNext()) { 2202 PackageSetting ps = pkgSettingIter.next(); 2203 if (isSystemApp(ps)) { 2204 mExistingSystemPackages.add(ps.name); 2205 } 2206 } 2207 } 2208 2209 // Collect vendor overlay packages. 2210 // (Do this before scanning any apps.) 2211 // For security and version matching reason, only consider 2212 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2213 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2214 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2215 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2216 2217 // Find base frameworks (resource packages without code). 2218 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2219 | PackageParser.PARSE_IS_SYSTEM_DIR 2220 | PackageParser.PARSE_IS_PRIVILEGED, 2221 scanFlags | SCAN_NO_DEX, 0); 2222 2223 // Collected privileged system packages. 2224 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2225 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2226 | PackageParser.PARSE_IS_SYSTEM_DIR 2227 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2228 2229 // Collect ordinary system packages. 2230 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2231 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2232 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2233 2234 // Collect all vendor packages. 2235 File vendorAppDir = new File("/vendor/app"); 2236 try { 2237 vendorAppDir = vendorAppDir.getCanonicalFile(); 2238 } catch (IOException e) { 2239 // failed to look up canonical path, continue with original one 2240 } 2241 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2242 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2243 2244 // Collect all OEM packages. 2245 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2246 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2247 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2248 2249 // Prune any system packages that no longer exist. 2250 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2251 if (!mOnlyCore) { 2252 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2253 while (psit.hasNext()) { 2254 PackageSetting ps = psit.next(); 2255 2256 /* 2257 * If this is not a system app, it can't be a 2258 * disable system app. 2259 */ 2260 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2261 continue; 2262 } 2263 2264 /* 2265 * If the package is scanned, it's not erased. 2266 */ 2267 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2268 if (scannedPkg != null) { 2269 /* 2270 * If the system app is both scanned and in the 2271 * disabled packages list, then it must have been 2272 * added via OTA. Remove it from the currently 2273 * scanned package so the previously user-installed 2274 * application can be scanned. 2275 */ 2276 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2277 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2278 + ps.name + "; removing system app. Last known codePath=" 2279 + ps.codePathString + ", installStatus=" + ps.installStatus 2280 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2281 + scannedPkg.mVersionCode); 2282 removePackageLI(scannedPkg, true); 2283 mExpectingBetter.put(ps.name, ps.codePath); 2284 } 2285 2286 continue; 2287 } 2288 2289 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2290 psit.remove(); 2291 logCriticalInfo(Log.WARN, "System package " + ps.name 2292 + " no longer exists; wiping its data"); 2293 removeDataDirsLI(null, ps.name); 2294 } else { 2295 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2296 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2297 possiblyDeletedUpdatedSystemApps.add(ps.name); 2298 } 2299 } 2300 } 2301 } 2302 2303 //look for any incomplete package installations 2304 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2305 //clean up list 2306 for(int i = 0; i < deletePkgsList.size(); i++) { 2307 //clean up here 2308 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2309 } 2310 //delete tmp files 2311 deleteTempPackageFiles(); 2312 2313 // Remove any shared userIDs that have no associated packages 2314 mSettings.pruneSharedUsersLPw(); 2315 2316 if (!mOnlyCore) { 2317 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2318 SystemClock.uptimeMillis()); 2319 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2320 2321 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2322 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2323 2324 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2325 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2326 2327 /** 2328 * Remove disable package settings for any updated system 2329 * apps that were removed via an OTA. If they're not a 2330 * previously-updated app, remove them completely. 2331 * Otherwise, just revoke their system-level permissions. 2332 */ 2333 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2334 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2335 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2336 2337 String msg; 2338 if (deletedPkg == null) { 2339 msg = "Updated system package " + deletedAppName 2340 + " no longer exists; wiping its data"; 2341 removeDataDirsLI(null, deletedAppName); 2342 } else { 2343 msg = "Updated system app + " + deletedAppName 2344 + " no longer present; removing system privileges for " 2345 + deletedAppName; 2346 2347 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2348 2349 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2350 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2351 } 2352 logCriticalInfo(Log.WARN, msg); 2353 } 2354 2355 /** 2356 * Make sure all system apps that we expected to appear on 2357 * the userdata partition actually showed up. If they never 2358 * appeared, crawl back and revive the system version. 2359 */ 2360 for (int i = 0; i < mExpectingBetter.size(); i++) { 2361 final String packageName = mExpectingBetter.keyAt(i); 2362 if (!mPackages.containsKey(packageName)) { 2363 final File scanFile = mExpectingBetter.valueAt(i); 2364 2365 logCriticalInfo(Log.WARN, "Expected better " + packageName 2366 + " but never showed up; reverting to system"); 2367 2368 final int reparseFlags; 2369 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2370 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2371 | PackageParser.PARSE_IS_SYSTEM_DIR 2372 | PackageParser.PARSE_IS_PRIVILEGED; 2373 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2374 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2375 | PackageParser.PARSE_IS_SYSTEM_DIR; 2376 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2377 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2378 | PackageParser.PARSE_IS_SYSTEM_DIR; 2379 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2380 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2381 | PackageParser.PARSE_IS_SYSTEM_DIR; 2382 } else { 2383 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2384 continue; 2385 } 2386 2387 mSettings.enableSystemPackageLPw(packageName); 2388 2389 try { 2390 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2391 } catch (PackageManagerException e) { 2392 Slog.e(TAG, "Failed to parse original system package: " 2393 + e.getMessage()); 2394 } 2395 } 2396 } 2397 } 2398 mExpectingBetter.clear(); 2399 2400 // Now that we know all of the shared libraries, update all clients to have 2401 // the correct library paths. 2402 updateAllSharedLibrariesLPw(); 2403 2404 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2405 // NOTE: We ignore potential failures here during a system scan (like 2406 // the rest of the commands above) because there's precious little we 2407 // can do about it. A settings error is reported, though. 2408 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2409 false /* boot complete */); 2410 } 2411 2412 // Now that we know all the packages we are keeping, 2413 // read and update their last usage times. 2414 mPackageUsage.readLP(); 2415 2416 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2417 SystemClock.uptimeMillis()); 2418 Slog.i(TAG, "Time to scan packages: " 2419 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2420 + " seconds"); 2421 2422 // If the platform SDK has changed since the last time we booted, 2423 // we need to re-grant app permission to catch any new ones that 2424 // appear. This is really a hack, and means that apps can in some 2425 // cases get permissions that the user didn't initially explicitly 2426 // allow... it would be nice to have some better way to handle 2427 // this situation. 2428 int updateFlags = UPDATE_PERMISSIONS_ALL; 2429 if (ver.sdkVersion != mSdkVersion) { 2430 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2431 + mSdkVersion + "; regranting permissions for internal storage"); 2432 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2433 } 2434 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2435 ver.sdkVersion = mSdkVersion; 2436 2437 // If this is the first boot or an update from pre-M, and it is a normal 2438 // boot, then we need to initialize the default preferred apps across 2439 // all defined users. 2440 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2441 for (UserInfo user : sUserManager.getUsers(true)) { 2442 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2443 applyFactoryDefaultBrowserLPw(user.id); 2444 primeDomainVerificationsLPw(user.id); 2445 } 2446 } 2447 2448 // Prepare storage for system user really early during boot, 2449 // since core system apps like SettingsProvider and SystemUI 2450 // can't wait for user to start 2451 final int storageFlags; 2452 if (StorageManager.isFileBasedEncryptionEnabled()) { 2453 storageFlags = StorageManager.FLAG_STORAGE_DE; 2454 } else { 2455 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2456 } 2457 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2458 storageFlags); 2459 2460 // If this is first boot after an OTA, and a normal boot, then 2461 // we need to clear code cache directories. 2462 if (mIsUpgrade && !onlyCore) { 2463 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2464 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2465 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2466 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2467 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2468 } 2469 } 2470 ver.fingerprint = Build.FINGERPRINT; 2471 } 2472 2473 checkDefaultBrowser(); 2474 2475 // clear only after permissions and other defaults have been updated 2476 mExistingSystemPackages.clear(); 2477 mPromoteSystemApps = false; 2478 2479 // All the changes are done during package scanning. 2480 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2481 2482 // can downgrade to reader 2483 mSettings.writeLPr(); 2484 2485 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2486 SystemClock.uptimeMillis()); 2487 2488 if (!mOnlyCore) { 2489 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2490 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2491 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2492 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2493 mIntentFilterVerifierComponent); 2494 } else { 2495 mRequiredVerifierPackage = null; 2496 mRequiredInstallerPackage = null; 2497 mIntentFilterVerifierComponent = null; 2498 mIntentFilterVerifier = null; 2499 } 2500 2501 mInstallerService = new PackageInstallerService(context, this); 2502 2503 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2504 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2505 // both the installer and resolver must be present to enable ephemeral 2506 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2507 if (DEBUG_EPHEMERAL) { 2508 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2509 + " installer:" + ephemeralInstallerComponent); 2510 } 2511 mEphemeralResolverComponent = ephemeralResolverComponent; 2512 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2513 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2514 mEphemeralResolverConnection = 2515 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2516 } else { 2517 if (DEBUG_EPHEMERAL) { 2518 final String missingComponent = 2519 (ephemeralResolverComponent == null) 2520 ? (ephemeralInstallerComponent == null) 2521 ? "resolver and installer" 2522 : "resolver" 2523 : "installer"; 2524 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2525 } 2526 mEphemeralResolverComponent = null; 2527 mEphemeralInstallerComponent = null; 2528 mEphemeralResolverConnection = null; 2529 } 2530 2531 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2532 } // synchronized (mPackages) 2533 } // synchronized (mInstallLock) 2534 2535 // Now after opening every single application zip, make sure they 2536 // are all flushed. Not really needed, but keeps things nice and 2537 // tidy. 2538 Runtime.getRuntime().gc(); 2539 2540 // The initial scanning above does many calls into installd while 2541 // holding the mPackages lock, but we're mostly interested in yelling 2542 // once we have a booted system. 2543 mInstaller.setWarnIfHeld(mPackages); 2544 2545 // Expose private service for system components to use. 2546 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2547 } 2548 2549 @Override 2550 public boolean isFirstBoot() { 2551 return !mRestoredSettings; 2552 } 2553 2554 @Override 2555 public boolean isOnlyCoreApps() { 2556 return mOnlyCore; 2557 } 2558 2559 @Override 2560 public boolean isUpgrade() { 2561 return mIsUpgrade; 2562 } 2563 2564 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2565 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2566 2567 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2568 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2569 if (matches.size() == 1) { 2570 return matches.get(0).getComponentInfo().packageName; 2571 } else { 2572 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2573 return null; 2574 } 2575 } 2576 2577 private @NonNull String getRequiredInstallerLPr() { 2578 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2579 intent.addCategory(Intent.CATEGORY_DEFAULT); 2580 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2581 2582 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2583 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2584 if (matches.size() == 1) { 2585 return matches.get(0).getComponentInfo().packageName; 2586 } else { 2587 throw new RuntimeException("There must be exactly one installer; found " + matches); 2588 } 2589 } 2590 2591 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2592 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2593 2594 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2595 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2596 ResolveInfo best = null; 2597 final int N = matches.size(); 2598 for (int i = 0; i < N; i++) { 2599 final ResolveInfo cur = matches.get(i); 2600 final String packageName = cur.getComponentInfo().packageName; 2601 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2602 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2603 continue; 2604 } 2605 2606 if (best == null || cur.priority > best.priority) { 2607 best = cur; 2608 } 2609 } 2610 2611 if (best != null) { 2612 return best.getComponentInfo().getComponentName(); 2613 } else { 2614 throw new RuntimeException("There must be at least one intent filter verifier"); 2615 } 2616 } 2617 2618 private @Nullable ComponentName getEphemeralResolverLPr() { 2619 final String[] packageArray = 2620 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2621 if (packageArray.length == 0) { 2622 if (DEBUG_EPHEMERAL) { 2623 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2624 } 2625 return null; 2626 } 2627 2628 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2629 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, null, 2630 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2631 2632 final int N = resolvers.size(); 2633 if (N == 0) { 2634 if (DEBUG_EPHEMERAL) { 2635 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2636 } 2637 return null; 2638 } 2639 2640 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2641 for (int i = 0; i < N; i++) { 2642 final ResolveInfo info = resolvers.get(i); 2643 2644 if (info.serviceInfo == null) { 2645 continue; 2646 } 2647 2648 final String packageName = info.serviceInfo.packageName; 2649 if (!possiblePackages.contains(packageName)) { 2650 if (DEBUG_EPHEMERAL) { 2651 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2652 + " pkg: " + packageName + ", info:" + info); 2653 } 2654 continue; 2655 } 2656 2657 if (DEBUG_EPHEMERAL) { 2658 Slog.v(TAG, "Ephemeral resolver found;" 2659 + " pkg: " + packageName + ", info:" + info); 2660 } 2661 return new ComponentName(packageName, info.serviceInfo.name); 2662 } 2663 if (DEBUG_EPHEMERAL) { 2664 Slog.v(TAG, "Ephemeral resolver NOT found"); 2665 } 2666 return null; 2667 } 2668 2669 private @Nullable ComponentName getEphemeralInstallerLPr() { 2670 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2671 intent.addCategory(Intent.CATEGORY_DEFAULT); 2672 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2673 2674 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2675 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2676 if (matches.size() == 0) { 2677 return null; 2678 } else if (matches.size() == 1) { 2679 return matches.get(0).getComponentInfo().getComponentName(); 2680 } else { 2681 throw new RuntimeException( 2682 "There must be at most one ephemeral installer; found " + matches); 2683 } 2684 } 2685 2686 private void primeDomainVerificationsLPw(int userId) { 2687 if (DEBUG_DOMAIN_VERIFICATION) { 2688 Slog.d(TAG, "Priming domain verifications in user " + userId); 2689 } 2690 2691 SystemConfig systemConfig = SystemConfig.getInstance(); 2692 ArraySet<String> packages = systemConfig.getLinkedApps(); 2693 ArraySet<String> domains = new ArraySet<String>(); 2694 2695 for (String packageName : packages) { 2696 PackageParser.Package pkg = mPackages.get(packageName); 2697 if (pkg != null) { 2698 if (!pkg.isSystemApp()) { 2699 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2700 continue; 2701 } 2702 2703 domains.clear(); 2704 for (PackageParser.Activity a : pkg.activities) { 2705 for (ActivityIntentInfo filter : a.intents) { 2706 if (hasValidDomains(filter)) { 2707 domains.addAll(filter.getHostsList()); 2708 } 2709 } 2710 } 2711 2712 if (domains.size() > 0) { 2713 if (DEBUG_DOMAIN_VERIFICATION) { 2714 Slog.v(TAG, " + " + packageName); 2715 } 2716 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2717 // state w.r.t. the formal app-linkage "no verification attempted" state; 2718 // and then 'always' in the per-user state actually used for intent resolution. 2719 final IntentFilterVerificationInfo ivi; 2720 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2721 new ArrayList<String>(domains)); 2722 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2723 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2724 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2725 } else { 2726 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2727 + "' does not handle web links"); 2728 } 2729 } else { 2730 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2731 } 2732 } 2733 2734 scheduleWritePackageRestrictionsLocked(userId); 2735 scheduleWriteSettingsLocked(); 2736 } 2737 2738 private void applyFactoryDefaultBrowserLPw(int userId) { 2739 // The default browser app's package name is stored in a string resource, 2740 // with a product-specific overlay used for vendor customization. 2741 String browserPkg = mContext.getResources().getString( 2742 com.android.internal.R.string.default_browser); 2743 if (!TextUtils.isEmpty(browserPkg)) { 2744 // non-empty string => required to be a known package 2745 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2746 if (ps == null) { 2747 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2748 browserPkg = null; 2749 } else { 2750 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2751 } 2752 } 2753 2754 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2755 // default. If there's more than one, just leave everything alone. 2756 if (browserPkg == null) { 2757 calculateDefaultBrowserLPw(userId); 2758 } 2759 } 2760 2761 private void calculateDefaultBrowserLPw(int userId) { 2762 List<String> allBrowsers = resolveAllBrowserApps(userId); 2763 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2764 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2765 } 2766 2767 private List<String> resolveAllBrowserApps(int userId) { 2768 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2769 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2770 PackageManager.MATCH_ALL, userId); 2771 2772 final int count = list.size(); 2773 List<String> result = new ArrayList<String>(count); 2774 for (int i=0; i<count; i++) { 2775 ResolveInfo info = list.get(i); 2776 if (info.activityInfo == null 2777 || !info.handleAllWebDataURI 2778 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2779 || result.contains(info.activityInfo.packageName)) { 2780 continue; 2781 } 2782 result.add(info.activityInfo.packageName); 2783 } 2784 2785 return result; 2786 } 2787 2788 private boolean packageIsBrowser(String packageName, int userId) { 2789 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2790 PackageManager.MATCH_ALL, userId); 2791 final int N = list.size(); 2792 for (int i = 0; i < N; i++) { 2793 ResolveInfo info = list.get(i); 2794 if (packageName.equals(info.activityInfo.packageName)) { 2795 return true; 2796 } 2797 } 2798 return false; 2799 } 2800 2801 private void checkDefaultBrowser() { 2802 final int myUserId = UserHandle.myUserId(); 2803 final String packageName = getDefaultBrowserPackageName(myUserId); 2804 if (packageName != null) { 2805 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2806 if (info == null) { 2807 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2808 synchronized (mPackages) { 2809 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2810 } 2811 } 2812 } 2813 } 2814 2815 @Override 2816 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2817 throws RemoteException { 2818 try { 2819 return super.onTransact(code, data, reply, flags); 2820 } catch (RuntimeException e) { 2821 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2822 Slog.wtf(TAG, "Package Manager Crash", e); 2823 } 2824 throw e; 2825 } 2826 } 2827 2828 void cleanupInstallFailedPackage(PackageSetting ps) { 2829 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2830 2831 removeDataDirsLI(ps.volumeUuid, ps.name); 2832 if (ps.codePath != null) { 2833 removeCodePathLI(ps.codePath); 2834 } 2835 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2836 if (ps.resourcePath.isDirectory()) { 2837 FileUtils.deleteContents(ps.resourcePath); 2838 } 2839 ps.resourcePath.delete(); 2840 } 2841 mSettings.removePackageLPw(ps.name); 2842 } 2843 2844 static int[] appendInts(int[] cur, int[] add) { 2845 if (add == null) return cur; 2846 if (cur == null) return add; 2847 final int N = add.length; 2848 for (int i=0; i<N; i++) { 2849 cur = appendInt(cur, add[i]); 2850 } 2851 return cur; 2852 } 2853 2854 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2855 if (!sUserManager.exists(userId)) return null; 2856 final PackageSetting ps = (PackageSetting) p.mExtras; 2857 if (ps == null) { 2858 return null; 2859 } 2860 2861 final PermissionsState permissionsState = ps.getPermissionsState(); 2862 2863 final int[] gids = permissionsState.computeGids(userId); 2864 final Set<String> permissions = permissionsState.getPermissions(userId); 2865 final PackageUserState state = ps.readUserState(userId); 2866 2867 return PackageParser.generatePackageInfo(p, gids, flags, 2868 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2869 } 2870 2871 @Override 2872 public void checkPackageStartable(String packageName, int userId) { 2873 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2874 2875 synchronized (mPackages) { 2876 final PackageSetting ps = mSettings.mPackages.get(packageName); 2877 if (ps == null) { 2878 throw new SecurityException("Package " + packageName + " was not found!"); 2879 } 2880 2881 if (mSafeMode && !ps.isSystem()) { 2882 throw new SecurityException("Package " + packageName + " not a system app!"); 2883 } 2884 2885 if (ps.frozen) { 2886 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2887 } 2888 2889 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2890 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2891 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2892 } 2893 } 2894 } 2895 2896 @Override 2897 public boolean isPackageAvailable(String packageName, int userId) { 2898 if (!sUserManager.exists(userId)) return false; 2899 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2900 false /* requireFullPermission */, false /* checkShell */, "is package available"); 2901 synchronized (mPackages) { 2902 PackageParser.Package p = mPackages.get(packageName); 2903 if (p != null) { 2904 final PackageSetting ps = (PackageSetting) p.mExtras; 2905 if (ps != null) { 2906 final PackageUserState state = ps.readUserState(userId); 2907 if (state != null) { 2908 return PackageParser.isAvailable(state); 2909 } 2910 } 2911 } 2912 } 2913 return false; 2914 } 2915 2916 @Override 2917 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2918 if (!sUserManager.exists(userId)) return null; 2919 flags = updateFlagsForPackage(flags, userId, packageName); 2920 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2921 false /* requireFullPermission */, false /* checkShell */, "get package info"); 2922 // reader 2923 synchronized (mPackages) { 2924 PackageParser.Package p = mPackages.get(packageName); 2925 if (DEBUG_PACKAGE_INFO) 2926 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2927 if (p != null) { 2928 return generatePackageInfo(p, flags, userId); 2929 } 2930 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2931 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2932 } 2933 } 2934 return null; 2935 } 2936 2937 @Override 2938 public String[] currentToCanonicalPackageNames(String[] names) { 2939 String[] out = new String[names.length]; 2940 // reader 2941 synchronized (mPackages) { 2942 for (int i=names.length-1; i>=0; i--) { 2943 PackageSetting ps = mSettings.mPackages.get(names[i]); 2944 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2945 } 2946 } 2947 return out; 2948 } 2949 2950 @Override 2951 public String[] canonicalToCurrentPackageNames(String[] names) { 2952 String[] out = new String[names.length]; 2953 // reader 2954 synchronized (mPackages) { 2955 for (int i=names.length-1; i>=0; i--) { 2956 String cur = mSettings.mRenamedPackages.get(names[i]); 2957 out[i] = cur != null ? cur : names[i]; 2958 } 2959 } 2960 return out; 2961 } 2962 2963 @Override 2964 public int getPackageUid(String packageName, int flags, int userId) { 2965 if (!sUserManager.exists(userId)) return -1; 2966 flags = updateFlagsForPackage(flags, userId, packageName); 2967 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2968 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 2969 2970 // reader 2971 synchronized (mPackages) { 2972 final PackageParser.Package p = mPackages.get(packageName); 2973 if (p != null && p.isMatch(flags)) { 2974 return UserHandle.getUid(userId, p.applicationInfo.uid); 2975 } 2976 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2977 final PackageSetting ps = mSettings.mPackages.get(packageName); 2978 if (ps != null && ps.isMatch(flags)) { 2979 return UserHandle.getUid(userId, ps.appId); 2980 } 2981 } 2982 } 2983 2984 return -1; 2985 } 2986 2987 @Override 2988 public int[] getPackageGids(String packageName, int flags, int userId) { 2989 if (!sUserManager.exists(userId)) return null; 2990 flags = updateFlagsForPackage(flags, userId, packageName); 2991 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2992 false /* requireFullPermission */, false /* checkShell */, 2993 "getPackageGids"); 2994 2995 // reader 2996 synchronized (mPackages) { 2997 final PackageParser.Package p = mPackages.get(packageName); 2998 if (p != null && p.isMatch(flags)) { 2999 PackageSetting ps = (PackageSetting) p.mExtras; 3000 return ps.getPermissionsState().computeGids(userId); 3001 } 3002 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3003 final PackageSetting ps = mSettings.mPackages.get(packageName); 3004 if (ps != null && ps.isMatch(flags)) { 3005 return ps.getPermissionsState().computeGids(userId); 3006 } 3007 } 3008 } 3009 3010 return null; 3011 } 3012 3013 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3014 if (bp.perm != null) { 3015 return PackageParser.generatePermissionInfo(bp.perm, flags); 3016 } 3017 PermissionInfo pi = new PermissionInfo(); 3018 pi.name = bp.name; 3019 pi.packageName = bp.sourcePackage; 3020 pi.nonLocalizedLabel = bp.name; 3021 pi.protectionLevel = bp.protectionLevel; 3022 return pi; 3023 } 3024 3025 @Override 3026 public PermissionInfo getPermissionInfo(String name, int flags) { 3027 // reader 3028 synchronized (mPackages) { 3029 final BasePermission p = mSettings.mPermissions.get(name); 3030 if (p != null) { 3031 return generatePermissionInfo(p, flags); 3032 } 3033 return null; 3034 } 3035 } 3036 3037 @Override 3038 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 3039 // reader 3040 synchronized (mPackages) { 3041 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3042 for (BasePermission p : mSettings.mPermissions.values()) { 3043 if (group == null) { 3044 if (p.perm == null || p.perm.info.group == null) { 3045 out.add(generatePermissionInfo(p, flags)); 3046 } 3047 } else { 3048 if (p.perm != null && group.equals(p.perm.info.group)) { 3049 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3050 } 3051 } 3052 } 3053 3054 if (out.size() > 0) { 3055 return out; 3056 } 3057 return mPermissionGroups.containsKey(group) ? out : null; 3058 } 3059 } 3060 3061 @Override 3062 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3063 // reader 3064 synchronized (mPackages) { 3065 return PackageParser.generatePermissionGroupInfo( 3066 mPermissionGroups.get(name), flags); 3067 } 3068 } 3069 3070 @Override 3071 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3072 // reader 3073 synchronized (mPackages) { 3074 final int N = mPermissionGroups.size(); 3075 ArrayList<PermissionGroupInfo> out 3076 = new ArrayList<PermissionGroupInfo>(N); 3077 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3078 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3079 } 3080 return out; 3081 } 3082 } 3083 3084 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3085 int userId) { 3086 if (!sUserManager.exists(userId)) return null; 3087 PackageSetting ps = mSettings.mPackages.get(packageName); 3088 if (ps != null) { 3089 if (ps.pkg == null) { 3090 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3091 flags, userId); 3092 if (pInfo != null) { 3093 return pInfo.applicationInfo; 3094 } 3095 return null; 3096 } 3097 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3098 ps.readUserState(userId), userId); 3099 } 3100 return null; 3101 } 3102 3103 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3104 int userId) { 3105 if (!sUserManager.exists(userId)) return null; 3106 PackageSetting ps = mSettings.mPackages.get(packageName); 3107 if (ps != null) { 3108 PackageParser.Package pkg = ps.pkg; 3109 if (pkg == null) { 3110 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 3111 return null; 3112 } 3113 // Only data remains, so we aren't worried about code paths 3114 pkg = new PackageParser.Package(packageName); 3115 pkg.applicationInfo.packageName = packageName; 3116 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3117 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3118 pkg.applicationInfo.uid = ps.appId; 3119 pkg.applicationInfo.initForUser(userId); 3120 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3121 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3122 } 3123 return generatePackageInfo(pkg, flags, userId); 3124 } 3125 return null; 3126 } 3127 3128 @Override 3129 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3130 if (!sUserManager.exists(userId)) return null; 3131 flags = updateFlagsForApplication(flags, userId, packageName); 3132 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3133 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3134 // writer 3135 synchronized (mPackages) { 3136 PackageParser.Package p = mPackages.get(packageName); 3137 if (DEBUG_PACKAGE_INFO) Log.v( 3138 TAG, "getApplicationInfo " + packageName 3139 + ": " + p); 3140 if (p != null) { 3141 PackageSetting ps = mSettings.mPackages.get(packageName); 3142 if (ps == null) return null; 3143 // Note: isEnabledLP() does not apply here - always return info 3144 return PackageParser.generateApplicationInfo( 3145 p, flags, ps.readUserState(userId), userId); 3146 } 3147 if ("android".equals(packageName)||"system".equals(packageName)) { 3148 return mAndroidApplication; 3149 } 3150 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3151 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3152 } 3153 } 3154 return null; 3155 } 3156 3157 @Override 3158 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3159 final IPackageDataObserver observer) { 3160 mContext.enforceCallingOrSelfPermission( 3161 android.Manifest.permission.CLEAR_APP_CACHE, null); 3162 // Queue up an async operation since clearing cache may take a little while. 3163 mHandler.post(new Runnable() { 3164 public void run() { 3165 mHandler.removeCallbacks(this); 3166 boolean success = true; 3167 synchronized (mInstallLock) { 3168 try { 3169 mInstaller.freeCache(volumeUuid, freeStorageSize); 3170 } catch (InstallerException e) { 3171 Slog.w(TAG, "Couldn't clear application caches: " + e); 3172 success = false; 3173 } 3174 } 3175 if (observer != null) { 3176 try { 3177 observer.onRemoveCompleted(null, success); 3178 } catch (RemoteException e) { 3179 Slog.w(TAG, "RemoveException when invoking call back"); 3180 } 3181 } 3182 } 3183 }); 3184 } 3185 3186 @Override 3187 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3188 final IntentSender pi) { 3189 mContext.enforceCallingOrSelfPermission( 3190 android.Manifest.permission.CLEAR_APP_CACHE, null); 3191 // Queue up an async operation since clearing cache may take a little while. 3192 mHandler.post(new Runnable() { 3193 public void run() { 3194 mHandler.removeCallbacks(this); 3195 boolean success = true; 3196 synchronized (mInstallLock) { 3197 try { 3198 mInstaller.freeCache(volumeUuid, freeStorageSize); 3199 } catch (InstallerException e) { 3200 Slog.w(TAG, "Couldn't clear application caches: " + e); 3201 success = false; 3202 } 3203 } 3204 if(pi != null) { 3205 try { 3206 // Callback via pending intent 3207 int code = success ? 1 : 0; 3208 pi.sendIntent(null, code, null, 3209 null, null); 3210 } catch (SendIntentException e1) { 3211 Slog.i(TAG, "Failed to send pending intent"); 3212 } 3213 } 3214 } 3215 }); 3216 } 3217 3218 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3219 synchronized (mInstallLock) { 3220 try { 3221 mInstaller.freeCache(volumeUuid, freeStorageSize); 3222 } catch (InstallerException e) { 3223 throw new IOException("Failed to free enough space", e); 3224 } 3225 } 3226 } 3227 3228 /** 3229 * Return if the user key is currently unlocked. 3230 */ 3231 private boolean isUserKeyUnlocked(int userId) { 3232 if (StorageManager.isFileBasedEncryptionEnabled()) { 3233 final IMountService mount = IMountService.Stub 3234 .asInterface(ServiceManager.getService("mount")); 3235 if (mount == null) { 3236 Slog.w(TAG, "Early during boot, assuming locked"); 3237 return false; 3238 } 3239 final long token = Binder.clearCallingIdentity(); 3240 try { 3241 return mount.isUserKeyUnlocked(userId); 3242 } catch (RemoteException e) { 3243 throw e.rethrowAsRuntimeException(); 3244 } finally { 3245 Binder.restoreCallingIdentity(token); 3246 } 3247 } else { 3248 return true; 3249 } 3250 } 3251 3252 /** 3253 * Update given flags based on encryption status of current user. 3254 */ 3255 private int updateFlags(int flags, int userId) { 3256 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3257 | PackageManager.MATCH_ENCRYPTION_AWARE)) != 0) { 3258 // Caller expressed an explicit opinion about what encryption 3259 // aware/unaware components they want to see, so fall through and 3260 // give them what they want 3261 } else { 3262 // Caller expressed no opinion, so match based on user state 3263 if (isUserKeyUnlocked(userId)) { 3264 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 3265 } else { 3266 flags |= PackageManager.MATCH_ENCRYPTION_AWARE; 3267 } 3268 } 3269 return flags; 3270 } 3271 3272 /** 3273 * Update given flags when being used to request {@link PackageInfo}. 3274 */ 3275 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3276 boolean triaged = true; 3277 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3278 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3279 // Caller is asking for component details, so they'd better be 3280 // asking for specific encryption matching behavior, or be triaged 3281 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3282 | PackageManager.MATCH_ENCRYPTION_AWARE 3283 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3284 triaged = false; 3285 } 3286 } 3287 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3288 | PackageManager.MATCH_SYSTEM_ONLY 3289 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3290 triaged = false; 3291 } 3292 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3293 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3294 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3295 } 3296 return updateFlags(flags, userId); 3297 } 3298 3299 /** 3300 * Update given flags when being used to request {@link ApplicationInfo}. 3301 */ 3302 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3303 return updateFlagsForPackage(flags, userId, cookie); 3304 } 3305 3306 /** 3307 * Update given flags when being used to request {@link ComponentInfo}. 3308 */ 3309 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3310 if (cookie instanceof Intent) { 3311 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3312 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3313 } 3314 } 3315 3316 boolean triaged = true; 3317 // Caller is asking for component details, so they'd better be 3318 // asking for specific encryption matching behavior, or be triaged 3319 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3320 | PackageManager.MATCH_ENCRYPTION_AWARE 3321 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3322 triaged = false; 3323 } 3324 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3325 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3326 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3327 } 3328 3329 return updateFlags(flags, userId); 3330 } 3331 3332 /** 3333 * Update given flags when being used to request {@link ResolveInfo}. 3334 */ 3335 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3336 // Safe mode means we shouldn't match any third-party components 3337 if (mSafeMode) { 3338 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3339 } 3340 3341 return updateFlagsForComponent(flags, userId, cookie); 3342 } 3343 3344 @Override 3345 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3346 if (!sUserManager.exists(userId)) return null; 3347 flags = updateFlagsForComponent(flags, userId, component); 3348 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3349 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3350 synchronized (mPackages) { 3351 PackageParser.Activity a = mActivities.mActivities.get(component); 3352 3353 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3354 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3355 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3356 if (ps == null) return null; 3357 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3358 userId); 3359 } 3360 if (mResolveComponentName.equals(component)) { 3361 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3362 new PackageUserState(), userId); 3363 } 3364 } 3365 return null; 3366 } 3367 3368 @Override 3369 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3370 String resolvedType) { 3371 synchronized (mPackages) { 3372 if (component.equals(mResolveComponentName)) { 3373 // The resolver supports EVERYTHING! 3374 return true; 3375 } 3376 PackageParser.Activity a = mActivities.mActivities.get(component); 3377 if (a == null) { 3378 return false; 3379 } 3380 for (int i=0; i<a.intents.size(); i++) { 3381 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3382 intent.getData(), intent.getCategories(), TAG) >= 0) { 3383 return true; 3384 } 3385 } 3386 return false; 3387 } 3388 } 3389 3390 @Override 3391 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3392 if (!sUserManager.exists(userId)) return null; 3393 flags = updateFlagsForComponent(flags, userId, component); 3394 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3395 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3396 synchronized (mPackages) { 3397 PackageParser.Activity a = mReceivers.mActivities.get(component); 3398 if (DEBUG_PACKAGE_INFO) Log.v( 3399 TAG, "getReceiverInfo " + component + ": " + a); 3400 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3401 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3402 if (ps == null) return null; 3403 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3404 userId); 3405 } 3406 } 3407 return null; 3408 } 3409 3410 @Override 3411 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3412 if (!sUserManager.exists(userId)) return null; 3413 flags = updateFlagsForComponent(flags, userId, component); 3414 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3415 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3416 synchronized (mPackages) { 3417 PackageParser.Service s = mServices.mServices.get(component); 3418 if (DEBUG_PACKAGE_INFO) Log.v( 3419 TAG, "getServiceInfo " + component + ": " + s); 3420 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3421 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3422 if (ps == null) return null; 3423 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3424 userId); 3425 } 3426 } 3427 return null; 3428 } 3429 3430 @Override 3431 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3432 if (!sUserManager.exists(userId)) return null; 3433 flags = updateFlagsForComponent(flags, userId, component); 3434 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3435 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3436 synchronized (mPackages) { 3437 PackageParser.Provider p = mProviders.mProviders.get(component); 3438 if (DEBUG_PACKAGE_INFO) Log.v( 3439 TAG, "getProviderInfo " + component + ": " + p); 3440 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3441 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3442 if (ps == null) return null; 3443 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3444 userId); 3445 } 3446 } 3447 return null; 3448 } 3449 3450 @Override 3451 public String[] getSystemSharedLibraryNames() { 3452 Set<String> libSet; 3453 synchronized (mPackages) { 3454 libSet = mSharedLibraries.keySet(); 3455 int size = libSet.size(); 3456 if (size > 0) { 3457 String[] libs = new String[size]; 3458 libSet.toArray(libs); 3459 return libs; 3460 } 3461 } 3462 return null; 3463 } 3464 3465 @Override 3466 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3467 synchronized (mPackages) { 3468 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3469 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3470 if (libraryEntry != null) { 3471 return libraryEntry.apk; 3472 } 3473 } 3474 return null; 3475 } 3476 3477 @Override 3478 public FeatureInfo[] getSystemAvailableFeatures() { 3479 Collection<FeatureInfo> featSet; 3480 synchronized (mPackages) { 3481 featSet = mAvailableFeatures.values(); 3482 int size = featSet.size(); 3483 if (size > 0) { 3484 FeatureInfo[] features = new FeatureInfo[size+1]; 3485 featSet.toArray(features); 3486 FeatureInfo fi = new FeatureInfo(); 3487 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3488 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3489 features[size] = fi; 3490 return features; 3491 } 3492 } 3493 return null; 3494 } 3495 3496 @Override 3497 public boolean hasSystemFeature(String name, int version) { 3498 synchronized (mPackages) { 3499 final FeatureInfo feat = mAvailableFeatures.get(name); 3500 if (feat == null) { 3501 return false; 3502 } else { 3503 return feat.version >= version; 3504 } 3505 } 3506 } 3507 3508 @Override 3509 public int checkPermission(String permName, String pkgName, int userId) { 3510 if (!sUserManager.exists(userId)) { 3511 return PackageManager.PERMISSION_DENIED; 3512 } 3513 3514 synchronized (mPackages) { 3515 final PackageParser.Package p = mPackages.get(pkgName); 3516 if (p != null && p.mExtras != null) { 3517 final PackageSetting ps = (PackageSetting) p.mExtras; 3518 final PermissionsState permissionsState = ps.getPermissionsState(); 3519 if (permissionsState.hasPermission(permName, userId)) { 3520 return PackageManager.PERMISSION_GRANTED; 3521 } 3522 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3523 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3524 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3525 return PackageManager.PERMISSION_GRANTED; 3526 } 3527 } 3528 } 3529 3530 return PackageManager.PERMISSION_DENIED; 3531 } 3532 3533 @Override 3534 public int checkUidPermission(String permName, int uid) { 3535 final int userId = UserHandle.getUserId(uid); 3536 3537 if (!sUserManager.exists(userId)) { 3538 return PackageManager.PERMISSION_DENIED; 3539 } 3540 3541 synchronized (mPackages) { 3542 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3543 if (obj != null) { 3544 final SettingBase ps = (SettingBase) obj; 3545 final PermissionsState permissionsState = ps.getPermissionsState(); 3546 if (permissionsState.hasPermission(permName, userId)) { 3547 return PackageManager.PERMISSION_GRANTED; 3548 } 3549 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3550 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3551 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3552 return PackageManager.PERMISSION_GRANTED; 3553 } 3554 } else { 3555 ArraySet<String> perms = mSystemPermissions.get(uid); 3556 if (perms != null) { 3557 if (perms.contains(permName)) { 3558 return PackageManager.PERMISSION_GRANTED; 3559 } 3560 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3561 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3562 return PackageManager.PERMISSION_GRANTED; 3563 } 3564 } 3565 } 3566 } 3567 3568 return PackageManager.PERMISSION_DENIED; 3569 } 3570 3571 @Override 3572 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3573 if (UserHandle.getCallingUserId() != userId) { 3574 mContext.enforceCallingPermission( 3575 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3576 "isPermissionRevokedByPolicy for user " + userId); 3577 } 3578 3579 if (checkPermission(permission, packageName, userId) 3580 == PackageManager.PERMISSION_GRANTED) { 3581 return false; 3582 } 3583 3584 final long identity = Binder.clearCallingIdentity(); 3585 try { 3586 final int flags = getPermissionFlags(permission, packageName, userId); 3587 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3588 } finally { 3589 Binder.restoreCallingIdentity(identity); 3590 } 3591 } 3592 3593 @Override 3594 public String getPermissionControllerPackageName() { 3595 synchronized (mPackages) { 3596 return mRequiredInstallerPackage; 3597 } 3598 } 3599 3600 /** 3601 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3602 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3603 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3604 * @param message the message to log on security exception 3605 */ 3606 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3607 boolean checkShell, String message) { 3608 if (userId < 0) { 3609 throw new IllegalArgumentException("Invalid userId " + userId); 3610 } 3611 if (checkShell) { 3612 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3613 } 3614 if (userId == UserHandle.getUserId(callingUid)) return; 3615 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3616 if (requireFullPermission) { 3617 mContext.enforceCallingOrSelfPermission( 3618 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3619 } else { 3620 try { 3621 mContext.enforceCallingOrSelfPermission( 3622 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3623 } catch (SecurityException se) { 3624 mContext.enforceCallingOrSelfPermission( 3625 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3626 } 3627 } 3628 } 3629 } 3630 3631 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3632 if (callingUid == Process.SHELL_UID) { 3633 if (userHandle >= 0 3634 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3635 throw new SecurityException("Shell does not have permission to access user " 3636 + userHandle); 3637 } else if (userHandle < 0) { 3638 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3639 + Debug.getCallers(3)); 3640 } 3641 } 3642 } 3643 3644 private BasePermission findPermissionTreeLP(String permName) { 3645 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3646 if (permName.startsWith(bp.name) && 3647 permName.length() > bp.name.length() && 3648 permName.charAt(bp.name.length()) == '.') { 3649 return bp; 3650 } 3651 } 3652 return null; 3653 } 3654 3655 private BasePermission checkPermissionTreeLP(String permName) { 3656 if (permName != null) { 3657 BasePermission bp = findPermissionTreeLP(permName); 3658 if (bp != null) { 3659 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3660 return bp; 3661 } 3662 throw new SecurityException("Calling uid " 3663 + Binder.getCallingUid() 3664 + " is not allowed to add to permission tree " 3665 + bp.name + " owned by uid " + bp.uid); 3666 } 3667 } 3668 throw new SecurityException("No permission tree found for " + permName); 3669 } 3670 3671 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3672 if (s1 == null) { 3673 return s2 == null; 3674 } 3675 if (s2 == null) { 3676 return false; 3677 } 3678 if (s1.getClass() != s2.getClass()) { 3679 return false; 3680 } 3681 return s1.equals(s2); 3682 } 3683 3684 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3685 if (pi1.icon != pi2.icon) return false; 3686 if (pi1.logo != pi2.logo) return false; 3687 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3688 if (!compareStrings(pi1.name, pi2.name)) return false; 3689 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3690 // We'll take care of setting this one. 3691 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3692 // These are not currently stored in settings. 3693 //if (!compareStrings(pi1.group, pi2.group)) return false; 3694 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3695 //if (pi1.labelRes != pi2.labelRes) return false; 3696 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3697 return true; 3698 } 3699 3700 int permissionInfoFootprint(PermissionInfo info) { 3701 int size = info.name.length(); 3702 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3703 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3704 return size; 3705 } 3706 3707 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3708 int size = 0; 3709 for (BasePermission perm : mSettings.mPermissions.values()) { 3710 if (perm.uid == tree.uid) { 3711 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3712 } 3713 } 3714 return size; 3715 } 3716 3717 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3718 // We calculate the max size of permissions defined by this uid and throw 3719 // if that plus the size of 'info' would exceed our stated maximum. 3720 if (tree.uid != Process.SYSTEM_UID) { 3721 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3722 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3723 throw new SecurityException("Permission tree size cap exceeded"); 3724 } 3725 } 3726 } 3727 3728 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3729 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3730 throw new SecurityException("Label must be specified in permission"); 3731 } 3732 BasePermission tree = checkPermissionTreeLP(info.name); 3733 BasePermission bp = mSettings.mPermissions.get(info.name); 3734 boolean added = bp == null; 3735 boolean changed = true; 3736 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3737 if (added) { 3738 enforcePermissionCapLocked(info, tree); 3739 bp = new BasePermission(info.name, tree.sourcePackage, 3740 BasePermission.TYPE_DYNAMIC); 3741 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3742 throw new SecurityException( 3743 "Not allowed to modify non-dynamic permission " 3744 + info.name); 3745 } else { 3746 if (bp.protectionLevel == fixedLevel 3747 && bp.perm.owner.equals(tree.perm.owner) 3748 && bp.uid == tree.uid 3749 && comparePermissionInfos(bp.perm.info, info)) { 3750 changed = false; 3751 } 3752 } 3753 bp.protectionLevel = fixedLevel; 3754 info = new PermissionInfo(info); 3755 info.protectionLevel = fixedLevel; 3756 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3757 bp.perm.info.packageName = tree.perm.info.packageName; 3758 bp.uid = tree.uid; 3759 if (added) { 3760 mSettings.mPermissions.put(info.name, bp); 3761 } 3762 if (changed) { 3763 if (!async) { 3764 mSettings.writeLPr(); 3765 } else { 3766 scheduleWriteSettingsLocked(); 3767 } 3768 } 3769 return added; 3770 } 3771 3772 @Override 3773 public boolean addPermission(PermissionInfo info) { 3774 synchronized (mPackages) { 3775 return addPermissionLocked(info, false); 3776 } 3777 } 3778 3779 @Override 3780 public boolean addPermissionAsync(PermissionInfo info) { 3781 synchronized (mPackages) { 3782 return addPermissionLocked(info, true); 3783 } 3784 } 3785 3786 @Override 3787 public void removePermission(String name) { 3788 synchronized (mPackages) { 3789 checkPermissionTreeLP(name); 3790 BasePermission bp = mSettings.mPermissions.get(name); 3791 if (bp != null) { 3792 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3793 throw new SecurityException( 3794 "Not allowed to modify non-dynamic permission " 3795 + name); 3796 } 3797 mSettings.mPermissions.remove(name); 3798 mSettings.writeLPr(); 3799 } 3800 } 3801 } 3802 3803 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3804 BasePermission bp) { 3805 int index = pkg.requestedPermissions.indexOf(bp.name); 3806 if (index == -1) { 3807 throw new SecurityException("Package " + pkg.packageName 3808 + " has not requested permission " + bp.name); 3809 } 3810 if (!bp.isRuntime() && !bp.isDevelopment()) { 3811 throw new SecurityException("Permission " + bp.name 3812 + " is not a changeable permission type"); 3813 } 3814 } 3815 3816 @Override 3817 public void grantRuntimePermission(String packageName, String name, final int userId) { 3818 if (!sUserManager.exists(userId)) { 3819 Log.e(TAG, "No such user:" + userId); 3820 return; 3821 } 3822 3823 mContext.enforceCallingOrSelfPermission( 3824 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3825 "grantRuntimePermission"); 3826 3827 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3828 true /* requireFullPermission */, true /* checkShell */, 3829 "grantRuntimePermission"); 3830 3831 final int uid; 3832 final SettingBase sb; 3833 3834 synchronized (mPackages) { 3835 final PackageParser.Package pkg = mPackages.get(packageName); 3836 if (pkg == null) { 3837 throw new IllegalArgumentException("Unknown package: " + packageName); 3838 } 3839 3840 final BasePermission bp = mSettings.mPermissions.get(name); 3841 if (bp == null) { 3842 throw new IllegalArgumentException("Unknown permission: " + name); 3843 } 3844 3845 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3846 3847 // If a permission review is required for legacy apps we represent 3848 // their permissions as always granted runtime ones since we need 3849 // to keep the review required permission flag per user while an 3850 // install permission's state is shared across all users. 3851 if (Build.PERMISSIONS_REVIEW_REQUIRED 3852 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3853 && bp.isRuntime()) { 3854 return; 3855 } 3856 3857 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3858 sb = (SettingBase) pkg.mExtras; 3859 if (sb == null) { 3860 throw new IllegalArgumentException("Unknown package: " + packageName); 3861 } 3862 3863 final PermissionsState permissionsState = sb.getPermissionsState(); 3864 3865 final int flags = permissionsState.getPermissionFlags(name, userId); 3866 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3867 throw new SecurityException("Cannot grant system fixed permission " 3868 + name + " for package " + packageName); 3869 } 3870 3871 if (bp.isDevelopment()) { 3872 // Development permissions must be handled specially, since they are not 3873 // normal runtime permissions. For now they apply to all users. 3874 if (permissionsState.grantInstallPermission(bp) != 3875 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3876 scheduleWriteSettingsLocked(); 3877 } 3878 return; 3879 } 3880 3881 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3882 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3883 return; 3884 } 3885 3886 final int result = permissionsState.grantRuntimePermission(bp, userId); 3887 switch (result) { 3888 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3889 return; 3890 } 3891 3892 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3893 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3894 mHandler.post(new Runnable() { 3895 @Override 3896 public void run() { 3897 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3898 } 3899 }); 3900 } 3901 break; 3902 } 3903 3904 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3905 3906 // Not critical if that is lost - app has to request again. 3907 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3908 } 3909 3910 // Only need to do this if user is initialized. Otherwise it's a new user 3911 // and there are no processes running as the user yet and there's no need 3912 // to make an expensive call to remount processes for the changed permissions. 3913 if (READ_EXTERNAL_STORAGE.equals(name) 3914 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3915 final long token = Binder.clearCallingIdentity(); 3916 try { 3917 if (sUserManager.isInitialized(userId)) { 3918 MountServiceInternal mountServiceInternal = LocalServices.getService( 3919 MountServiceInternal.class); 3920 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3921 } 3922 } finally { 3923 Binder.restoreCallingIdentity(token); 3924 } 3925 } 3926 } 3927 3928 @Override 3929 public void revokeRuntimePermission(String packageName, String name, int userId) { 3930 if (!sUserManager.exists(userId)) { 3931 Log.e(TAG, "No such user:" + userId); 3932 return; 3933 } 3934 3935 mContext.enforceCallingOrSelfPermission( 3936 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3937 "revokeRuntimePermission"); 3938 3939 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3940 true /* requireFullPermission */, true /* checkShell */, 3941 "revokeRuntimePermission"); 3942 3943 final int appId; 3944 3945 synchronized (mPackages) { 3946 final PackageParser.Package pkg = mPackages.get(packageName); 3947 if (pkg == null) { 3948 throw new IllegalArgumentException("Unknown package: " + packageName); 3949 } 3950 3951 final BasePermission bp = mSettings.mPermissions.get(name); 3952 if (bp == null) { 3953 throw new IllegalArgumentException("Unknown permission: " + name); 3954 } 3955 3956 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3957 3958 // If a permission review is required for legacy apps we represent 3959 // their permissions as always granted runtime ones since we need 3960 // to keep the review required permission flag per user while an 3961 // install permission's state is shared across all users. 3962 if (Build.PERMISSIONS_REVIEW_REQUIRED 3963 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3964 && bp.isRuntime()) { 3965 return; 3966 } 3967 3968 SettingBase sb = (SettingBase) pkg.mExtras; 3969 if (sb == null) { 3970 throw new IllegalArgumentException("Unknown package: " + packageName); 3971 } 3972 3973 final PermissionsState permissionsState = sb.getPermissionsState(); 3974 3975 final int flags = permissionsState.getPermissionFlags(name, userId); 3976 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3977 throw new SecurityException("Cannot revoke system fixed permission " 3978 + name + " for package " + packageName); 3979 } 3980 3981 if (bp.isDevelopment()) { 3982 // Development permissions must be handled specially, since they are not 3983 // normal runtime permissions. For now they apply to all users. 3984 if (permissionsState.revokeInstallPermission(bp) != 3985 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3986 scheduleWriteSettingsLocked(); 3987 } 3988 return; 3989 } 3990 3991 if (permissionsState.revokeRuntimePermission(bp, userId) == 3992 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3993 return; 3994 } 3995 3996 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3997 3998 // Critical, after this call app should never have the permission. 3999 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4000 4001 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4002 } 4003 4004 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4005 } 4006 4007 @Override 4008 public void resetRuntimePermissions() { 4009 mContext.enforceCallingOrSelfPermission( 4010 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4011 "revokeRuntimePermission"); 4012 4013 int callingUid = Binder.getCallingUid(); 4014 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4015 mContext.enforceCallingOrSelfPermission( 4016 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4017 "resetRuntimePermissions"); 4018 } 4019 4020 synchronized (mPackages) { 4021 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4022 for (int userId : UserManagerService.getInstance().getUserIds()) { 4023 final int packageCount = mPackages.size(); 4024 for (int i = 0; i < packageCount; i++) { 4025 PackageParser.Package pkg = mPackages.valueAt(i); 4026 if (!(pkg.mExtras instanceof PackageSetting)) { 4027 continue; 4028 } 4029 PackageSetting ps = (PackageSetting) pkg.mExtras; 4030 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4031 } 4032 } 4033 } 4034 } 4035 4036 @Override 4037 public int getPermissionFlags(String name, String packageName, int userId) { 4038 if (!sUserManager.exists(userId)) { 4039 return 0; 4040 } 4041 4042 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4043 4044 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4045 true /* requireFullPermission */, false /* checkShell */, 4046 "getPermissionFlags"); 4047 4048 synchronized (mPackages) { 4049 final PackageParser.Package pkg = mPackages.get(packageName); 4050 if (pkg == null) { 4051 throw new IllegalArgumentException("Unknown package: " + packageName); 4052 } 4053 4054 final BasePermission bp = mSettings.mPermissions.get(name); 4055 if (bp == null) { 4056 throw new IllegalArgumentException("Unknown permission: " + name); 4057 } 4058 4059 SettingBase sb = (SettingBase) pkg.mExtras; 4060 if (sb == null) { 4061 throw new IllegalArgumentException("Unknown package: " + packageName); 4062 } 4063 4064 PermissionsState permissionsState = sb.getPermissionsState(); 4065 return permissionsState.getPermissionFlags(name, userId); 4066 } 4067 } 4068 4069 @Override 4070 public void updatePermissionFlags(String name, String packageName, int flagMask, 4071 int flagValues, int userId) { 4072 if (!sUserManager.exists(userId)) { 4073 return; 4074 } 4075 4076 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4077 4078 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4079 true /* requireFullPermission */, true /* checkShell */, 4080 "updatePermissionFlags"); 4081 4082 // Only the system can change these flags and nothing else. 4083 if (getCallingUid() != Process.SYSTEM_UID) { 4084 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4085 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4086 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4087 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4088 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4089 } 4090 4091 synchronized (mPackages) { 4092 final PackageParser.Package pkg = mPackages.get(packageName); 4093 if (pkg == null) { 4094 throw new IllegalArgumentException("Unknown package: " + packageName); 4095 } 4096 4097 final BasePermission bp = mSettings.mPermissions.get(name); 4098 if (bp == null) { 4099 throw new IllegalArgumentException("Unknown permission: " + name); 4100 } 4101 4102 SettingBase sb = (SettingBase) pkg.mExtras; 4103 if (sb == null) { 4104 throw new IllegalArgumentException("Unknown package: " + packageName); 4105 } 4106 4107 PermissionsState permissionsState = sb.getPermissionsState(); 4108 4109 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4110 4111 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4112 // Install and runtime permissions are stored in different places, 4113 // so figure out what permission changed and persist the change. 4114 if (permissionsState.getInstallPermissionState(name) != null) { 4115 scheduleWriteSettingsLocked(); 4116 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4117 || hadState) { 4118 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4119 } 4120 } 4121 } 4122 } 4123 4124 /** 4125 * Update the permission flags for all packages and runtime permissions of a user in order 4126 * to allow device or profile owner to remove POLICY_FIXED. 4127 */ 4128 @Override 4129 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4130 if (!sUserManager.exists(userId)) { 4131 return; 4132 } 4133 4134 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4135 4136 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4137 true /* requireFullPermission */, true /* checkShell */, 4138 "updatePermissionFlagsForAllApps"); 4139 4140 // Only the system can change system fixed flags. 4141 if (getCallingUid() != Process.SYSTEM_UID) { 4142 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4143 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4144 } 4145 4146 synchronized (mPackages) { 4147 boolean changed = false; 4148 final int packageCount = mPackages.size(); 4149 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4150 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4151 SettingBase sb = (SettingBase) pkg.mExtras; 4152 if (sb == null) { 4153 continue; 4154 } 4155 PermissionsState permissionsState = sb.getPermissionsState(); 4156 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4157 userId, flagMask, flagValues); 4158 } 4159 if (changed) { 4160 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4161 } 4162 } 4163 } 4164 4165 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4166 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4167 != PackageManager.PERMISSION_GRANTED 4168 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4169 != PackageManager.PERMISSION_GRANTED) { 4170 throw new SecurityException(message + " requires " 4171 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4172 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4173 } 4174 } 4175 4176 @Override 4177 public boolean shouldShowRequestPermissionRationale(String permissionName, 4178 String packageName, int userId) { 4179 if (UserHandle.getCallingUserId() != userId) { 4180 mContext.enforceCallingPermission( 4181 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4182 "canShowRequestPermissionRationale for user " + userId); 4183 } 4184 4185 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4186 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4187 return false; 4188 } 4189 4190 if (checkPermission(permissionName, packageName, userId) 4191 == PackageManager.PERMISSION_GRANTED) { 4192 return false; 4193 } 4194 4195 final int flags; 4196 4197 final long identity = Binder.clearCallingIdentity(); 4198 try { 4199 flags = getPermissionFlags(permissionName, 4200 packageName, userId); 4201 } finally { 4202 Binder.restoreCallingIdentity(identity); 4203 } 4204 4205 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4206 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4207 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4208 4209 if ((flags & fixedFlags) != 0) { 4210 return false; 4211 } 4212 4213 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4214 } 4215 4216 @Override 4217 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4218 mContext.enforceCallingOrSelfPermission( 4219 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4220 "addOnPermissionsChangeListener"); 4221 4222 synchronized (mPackages) { 4223 mOnPermissionChangeListeners.addListenerLocked(listener); 4224 } 4225 } 4226 4227 @Override 4228 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4229 synchronized (mPackages) { 4230 mOnPermissionChangeListeners.removeListenerLocked(listener); 4231 } 4232 } 4233 4234 @Override 4235 public boolean isProtectedBroadcast(String actionName) { 4236 synchronized (mPackages) { 4237 if (mProtectedBroadcasts.contains(actionName)) { 4238 return true; 4239 } else if (actionName != null) { 4240 // TODO: remove these terrible hacks 4241 if (actionName.startsWith("android.net.netmon.lingerExpired") 4242 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4243 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4244 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4245 return true; 4246 } 4247 } 4248 } 4249 return false; 4250 } 4251 4252 @Override 4253 public int checkSignatures(String pkg1, String pkg2) { 4254 synchronized (mPackages) { 4255 final PackageParser.Package p1 = mPackages.get(pkg1); 4256 final PackageParser.Package p2 = mPackages.get(pkg2); 4257 if (p1 == null || p1.mExtras == null 4258 || p2 == null || p2.mExtras == null) { 4259 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4260 } 4261 return compareSignatures(p1.mSignatures, p2.mSignatures); 4262 } 4263 } 4264 4265 @Override 4266 public int checkUidSignatures(int uid1, int uid2) { 4267 // Map to base uids. 4268 uid1 = UserHandle.getAppId(uid1); 4269 uid2 = UserHandle.getAppId(uid2); 4270 // reader 4271 synchronized (mPackages) { 4272 Signature[] s1; 4273 Signature[] s2; 4274 Object obj = mSettings.getUserIdLPr(uid1); 4275 if (obj != null) { 4276 if (obj instanceof SharedUserSetting) { 4277 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4278 } else if (obj instanceof PackageSetting) { 4279 s1 = ((PackageSetting)obj).signatures.mSignatures; 4280 } else { 4281 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4282 } 4283 } else { 4284 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4285 } 4286 obj = mSettings.getUserIdLPr(uid2); 4287 if (obj != null) { 4288 if (obj instanceof SharedUserSetting) { 4289 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4290 } else if (obj instanceof PackageSetting) { 4291 s2 = ((PackageSetting)obj).signatures.mSignatures; 4292 } else { 4293 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4294 } 4295 } else { 4296 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4297 } 4298 return compareSignatures(s1, s2); 4299 } 4300 } 4301 4302 private void killUid(int appId, int userId, String reason) { 4303 final long identity = Binder.clearCallingIdentity(); 4304 try { 4305 IActivityManager am = ActivityManagerNative.getDefault(); 4306 if (am != null) { 4307 try { 4308 am.killUid(appId, userId, reason); 4309 } catch (RemoteException e) { 4310 /* ignore - same process */ 4311 } 4312 } 4313 } finally { 4314 Binder.restoreCallingIdentity(identity); 4315 } 4316 } 4317 4318 /** 4319 * Compares two sets of signatures. Returns: 4320 * <br /> 4321 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4322 * <br /> 4323 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4324 * <br /> 4325 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4326 * <br /> 4327 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4328 * <br /> 4329 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4330 */ 4331 static int compareSignatures(Signature[] s1, Signature[] s2) { 4332 if (s1 == null) { 4333 return s2 == null 4334 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4335 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4336 } 4337 4338 if (s2 == null) { 4339 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4340 } 4341 4342 if (s1.length != s2.length) { 4343 return PackageManager.SIGNATURE_NO_MATCH; 4344 } 4345 4346 // Since both signature sets are of size 1, we can compare without HashSets. 4347 if (s1.length == 1) { 4348 return s1[0].equals(s2[0]) ? 4349 PackageManager.SIGNATURE_MATCH : 4350 PackageManager.SIGNATURE_NO_MATCH; 4351 } 4352 4353 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4354 for (Signature sig : s1) { 4355 set1.add(sig); 4356 } 4357 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4358 for (Signature sig : s2) { 4359 set2.add(sig); 4360 } 4361 // Make sure s2 contains all signatures in s1. 4362 if (set1.equals(set2)) { 4363 return PackageManager.SIGNATURE_MATCH; 4364 } 4365 return PackageManager.SIGNATURE_NO_MATCH; 4366 } 4367 4368 /** 4369 * If the database version for this type of package (internal storage or 4370 * external storage) is less than the version where package signatures 4371 * were updated, return true. 4372 */ 4373 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4374 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4375 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4376 } 4377 4378 /** 4379 * Used for backward compatibility to make sure any packages with 4380 * certificate chains get upgraded to the new style. {@code existingSigs} 4381 * will be in the old format (since they were stored on disk from before the 4382 * system upgrade) and {@code scannedSigs} will be in the newer format. 4383 */ 4384 private int compareSignaturesCompat(PackageSignatures existingSigs, 4385 PackageParser.Package scannedPkg) { 4386 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4387 return PackageManager.SIGNATURE_NO_MATCH; 4388 } 4389 4390 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4391 for (Signature sig : existingSigs.mSignatures) { 4392 existingSet.add(sig); 4393 } 4394 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4395 for (Signature sig : scannedPkg.mSignatures) { 4396 try { 4397 Signature[] chainSignatures = sig.getChainSignatures(); 4398 for (Signature chainSig : chainSignatures) { 4399 scannedCompatSet.add(chainSig); 4400 } 4401 } catch (CertificateEncodingException e) { 4402 scannedCompatSet.add(sig); 4403 } 4404 } 4405 /* 4406 * Make sure the expanded scanned set contains all signatures in the 4407 * existing one. 4408 */ 4409 if (scannedCompatSet.equals(existingSet)) { 4410 // Migrate the old signatures to the new scheme. 4411 existingSigs.assignSignatures(scannedPkg.mSignatures); 4412 // The new KeySets will be re-added later in the scanning process. 4413 synchronized (mPackages) { 4414 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4415 } 4416 return PackageManager.SIGNATURE_MATCH; 4417 } 4418 return PackageManager.SIGNATURE_NO_MATCH; 4419 } 4420 4421 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4422 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4423 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4424 } 4425 4426 private int compareSignaturesRecover(PackageSignatures existingSigs, 4427 PackageParser.Package scannedPkg) { 4428 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4429 return PackageManager.SIGNATURE_NO_MATCH; 4430 } 4431 4432 String msg = null; 4433 try { 4434 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4435 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4436 + scannedPkg.packageName); 4437 return PackageManager.SIGNATURE_MATCH; 4438 } 4439 } catch (CertificateException e) { 4440 msg = e.getMessage(); 4441 } 4442 4443 logCriticalInfo(Log.INFO, 4444 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4445 return PackageManager.SIGNATURE_NO_MATCH; 4446 } 4447 4448 @Override 4449 public String[] getPackagesForUid(int uid) { 4450 uid = UserHandle.getAppId(uid); 4451 // reader 4452 synchronized (mPackages) { 4453 Object obj = mSettings.getUserIdLPr(uid); 4454 if (obj instanceof SharedUserSetting) { 4455 final SharedUserSetting sus = (SharedUserSetting) obj; 4456 final int N = sus.packages.size(); 4457 final String[] res = new String[N]; 4458 final Iterator<PackageSetting> it = sus.packages.iterator(); 4459 int i = 0; 4460 while (it.hasNext()) { 4461 res[i++] = it.next().name; 4462 } 4463 return res; 4464 } else if (obj instanceof PackageSetting) { 4465 final PackageSetting ps = (PackageSetting) obj; 4466 return new String[] { ps.name }; 4467 } 4468 } 4469 return null; 4470 } 4471 4472 @Override 4473 public String getNameForUid(int uid) { 4474 // reader 4475 synchronized (mPackages) { 4476 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4477 if (obj instanceof SharedUserSetting) { 4478 final SharedUserSetting sus = (SharedUserSetting) obj; 4479 return sus.name + ":" + sus.userId; 4480 } else if (obj instanceof PackageSetting) { 4481 final PackageSetting ps = (PackageSetting) obj; 4482 return ps.name; 4483 } 4484 } 4485 return null; 4486 } 4487 4488 @Override 4489 public int getUidForSharedUser(String sharedUserName) { 4490 if(sharedUserName == null) { 4491 return -1; 4492 } 4493 // reader 4494 synchronized (mPackages) { 4495 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4496 if (suid == null) { 4497 return -1; 4498 } 4499 return suid.userId; 4500 } 4501 } 4502 4503 @Override 4504 public int getFlagsForUid(int uid) { 4505 synchronized (mPackages) { 4506 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4507 if (obj instanceof SharedUserSetting) { 4508 final SharedUserSetting sus = (SharedUserSetting) obj; 4509 return sus.pkgFlags; 4510 } else if (obj instanceof PackageSetting) { 4511 final PackageSetting ps = (PackageSetting) obj; 4512 return ps.pkgFlags; 4513 } 4514 } 4515 return 0; 4516 } 4517 4518 @Override 4519 public int getPrivateFlagsForUid(int uid) { 4520 synchronized (mPackages) { 4521 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4522 if (obj instanceof SharedUserSetting) { 4523 final SharedUserSetting sus = (SharedUserSetting) obj; 4524 return sus.pkgPrivateFlags; 4525 } else if (obj instanceof PackageSetting) { 4526 final PackageSetting ps = (PackageSetting) obj; 4527 return ps.pkgPrivateFlags; 4528 } 4529 } 4530 return 0; 4531 } 4532 4533 @Override 4534 public boolean isUidPrivileged(int uid) { 4535 uid = UserHandle.getAppId(uid); 4536 // reader 4537 synchronized (mPackages) { 4538 Object obj = mSettings.getUserIdLPr(uid); 4539 if (obj instanceof SharedUserSetting) { 4540 final SharedUserSetting sus = (SharedUserSetting) obj; 4541 final Iterator<PackageSetting> it = sus.packages.iterator(); 4542 while (it.hasNext()) { 4543 if (it.next().isPrivileged()) { 4544 return true; 4545 } 4546 } 4547 } else if (obj instanceof PackageSetting) { 4548 final PackageSetting ps = (PackageSetting) obj; 4549 return ps.isPrivileged(); 4550 } 4551 } 4552 return false; 4553 } 4554 4555 @Override 4556 public String[] getAppOpPermissionPackages(String permissionName) { 4557 synchronized (mPackages) { 4558 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4559 if (pkgs == null) { 4560 return null; 4561 } 4562 return pkgs.toArray(new String[pkgs.size()]); 4563 } 4564 } 4565 4566 @Override 4567 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4568 int flags, int userId) { 4569 if (!sUserManager.exists(userId)) return null; 4570 flags = updateFlagsForResolve(flags, userId, intent); 4571 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4572 false /* requireFullPermission */, false /* checkShell */, "resolve intent"); 4573 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4574 final ResolveInfo bestChoice = 4575 chooseBestActivity(intent, resolvedType, flags, query, userId); 4576 4577 if (isEphemeralAllowed(intent, query, userId)) { 4578 final EphemeralResolveInfo ai = 4579 getEphemeralResolveInfo(intent, resolvedType, userId); 4580 if (ai != null) { 4581 if (DEBUG_EPHEMERAL) { 4582 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4583 } 4584 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4585 bestChoice.ephemeralResolveInfo = ai; 4586 } 4587 } 4588 return bestChoice; 4589 } 4590 4591 @Override 4592 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4593 IntentFilter filter, int match, ComponentName activity) { 4594 final int userId = UserHandle.getCallingUserId(); 4595 if (DEBUG_PREFERRED) { 4596 Log.v(TAG, "setLastChosenActivity intent=" + intent 4597 + " resolvedType=" + resolvedType 4598 + " flags=" + flags 4599 + " filter=" + filter 4600 + " match=" + match 4601 + " activity=" + activity); 4602 filter.dump(new PrintStreamPrinter(System.out), " "); 4603 } 4604 intent.setComponent(null); 4605 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4606 // Find any earlier preferred or last chosen entries and nuke them 4607 findPreferredActivity(intent, resolvedType, 4608 flags, query, 0, false, true, false, userId); 4609 // Add the new activity as the last chosen for this filter 4610 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4611 "Setting last chosen"); 4612 } 4613 4614 @Override 4615 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4616 final int userId = UserHandle.getCallingUserId(); 4617 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4618 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4619 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4620 false, false, false, userId); 4621 } 4622 4623 4624 private boolean isEphemeralAllowed( 4625 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4626 // Short circuit and return early if possible. 4627 if (DISABLE_EPHEMERAL_APPS) { 4628 return false; 4629 } 4630 final int callingUser = UserHandle.getCallingUserId(); 4631 if (callingUser != UserHandle.USER_SYSTEM) { 4632 return false; 4633 } 4634 if (mEphemeralResolverConnection == null) { 4635 return false; 4636 } 4637 if (intent.getComponent() != null) { 4638 return false; 4639 } 4640 if (intent.getPackage() != null) { 4641 return false; 4642 } 4643 final boolean isWebUri = hasWebURI(intent); 4644 if (!isWebUri) { 4645 return false; 4646 } 4647 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4648 synchronized (mPackages) { 4649 final int count = resolvedActivites.size(); 4650 for (int n = 0; n < count; n++) { 4651 ResolveInfo info = resolvedActivites.get(n); 4652 String packageName = info.activityInfo.packageName; 4653 PackageSetting ps = mSettings.mPackages.get(packageName); 4654 if (ps != null) { 4655 // Try to get the status from User settings first 4656 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4657 int status = (int) (packedStatus >> 32); 4658 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4659 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4660 if (DEBUG_EPHEMERAL) { 4661 Slog.v(TAG, "DENY ephemeral apps;" 4662 + " pkg: " + packageName + ", status: " + status); 4663 } 4664 return false; 4665 } 4666 } 4667 } 4668 } 4669 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4670 return true; 4671 } 4672 4673 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4674 int userId) { 4675 MessageDigest digest = null; 4676 try { 4677 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4678 } catch (NoSuchAlgorithmException e) { 4679 // If we can't create a digest, ignore ephemeral apps. 4680 return null; 4681 } 4682 4683 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4684 final byte[] digestBytes = digest.digest(hostBytes); 4685 int shaPrefix = 4686 digestBytes[0] << 24 4687 | digestBytes[1] << 16 4688 | digestBytes[2] << 8 4689 | digestBytes[3] << 0; 4690 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4691 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4692 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4693 // No hash prefix match; there are no ephemeral apps for this domain. 4694 return null; 4695 } 4696 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4697 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4698 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4699 continue; 4700 } 4701 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4702 // No filters; this should never happen. 4703 if (filters.isEmpty()) { 4704 continue; 4705 } 4706 // We have a domain match; resolve the filters to see if anything matches. 4707 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4708 for (int j = filters.size() - 1; j >= 0; --j) { 4709 final EphemeralResolveIntentInfo intentInfo = 4710 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4711 ephemeralResolver.addFilter(intentInfo); 4712 } 4713 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4714 intent, resolvedType, false /*defaultOnly*/, userId); 4715 if (!matchedResolveInfoList.isEmpty()) { 4716 return matchedResolveInfoList.get(0); 4717 } 4718 } 4719 // Hash or filter mis-match; no ephemeral apps for this domain. 4720 return null; 4721 } 4722 4723 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4724 int flags, List<ResolveInfo> query, int userId) { 4725 if (query != null) { 4726 final int N = query.size(); 4727 if (N == 1) { 4728 return query.get(0); 4729 } else if (N > 1) { 4730 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4731 // If there is more than one activity with the same priority, 4732 // then let the user decide between them. 4733 ResolveInfo r0 = query.get(0); 4734 ResolveInfo r1 = query.get(1); 4735 if (DEBUG_INTENT_MATCHING || debug) { 4736 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4737 + r1.activityInfo.name + "=" + r1.priority); 4738 } 4739 // If the first activity has a higher priority, or a different 4740 // default, then it is always desirable to pick it. 4741 if (r0.priority != r1.priority 4742 || r0.preferredOrder != r1.preferredOrder 4743 || r0.isDefault != r1.isDefault) { 4744 return query.get(0); 4745 } 4746 // If we have saved a preference for a preferred activity for 4747 // this Intent, use that. 4748 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4749 flags, query, r0.priority, true, false, debug, userId); 4750 if (ri != null) { 4751 return ri; 4752 } 4753 ri = new ResolveInfo(mResolveInfo); 4754 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4755 ri.activityInfo.applicationInfo = new ApplicationInfo( 4756 ri.activityInfo.applicationInfo); 4757 if (userId != 0) { 4758 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4759 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4760 } 4761 // Make sure that the resolver is displayable in car mode 4762 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4763 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4764 return ri; 4765 } 4766 } 4767 return null; 4768 } 4769 4770 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4771 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4772 final int N = query.size(); 4773 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4774 .get(userId); 4775 // Get the list of persistent preferred activities that handle the intent 4776 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4777 List<PersistentPreferredActivity> pprefs = ppir != null 4778 ? ppir.queryIntent(intent, resolvedType, 4779 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4780 : null; 4781 if (pprefs != null && pprefs.size() > 0) { 4782 final int M = pprefs.size(); 4783 for (int i=0; i<M; i++) { 4784 final PersistentPreferredActivity ppa = pprefs.get(i); 4785 if (DEBUG_PREFERRED || debug) { 4786 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4787 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4788 + "\n component=" + ppa.mComponent); 4789 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4790 } 4791 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4792 flags | MATCH_DISABLED_COMPONENTS, userId); 4793 if (DEBUG_PREFERRED || debug) { 4794 Slog.v(TAG, "Found persistent preferred activity:"); 4795 if (ai != null) { 4796 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4797 } else { 4798 Slog.v(TAG, " null"); 4799 } 4800 } 4801 if (ai == null) { 4802 // This previously registered persistent preferred activity 4803 // component is no longer known. Ignore it and do NOT remove it. 4804 continue; 4805 } 4806 for (int j=0; j<N; j++) { 4807 final ResolveInfo ri = query.get(j); 4808 if (!ri.activityInfo.applicationInfo.packageName 4809 .equals(ai.applicationInfo.packageName)) { 4810 continue; 4811 } 4812 if (!ri.activityInfo.name.equals(ai.name)) { 4813 continue; 4814 } 4815 // Found a persistent preference that can handle the intent. 4816 if (DEBUG_PREFERRED || debug) { 4817 Slog.v(TAG, "Returning persistent preferred activity: " + 4818 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4819 } 4820 return ri; 4821 } 4822 } 4823 } 4824 return null; 4825 } 4826 4827 // TODO: handle preferred activities missing while user has amnesia 4828 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4829 List<ResolveInfo> query, int priority, boolean always, 4830 boolean removeMatches, boolean debug, int userId) { 4831 if (!sUserManager.exists(userId)) return null; 4832 flags = updateFlagsForResolve(flags, userId, intent); 4833 // writer 4834 synchronized (mPackages) { 4835 if (intent.getSelector() != null) { 4836 intent = intent.getSelector(); 4837 } 4838 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4839 4840 // Try to find a matching persistent preferred activity. 4841 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4842 debug, userId); 4843 4844 // If a persistent preferred activity matched, use it. 4845 if (pri != null) { 4846 return pri; 4847 } 4848 4849 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4850 // Get the list of preferred activities that handle the intent 4851 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4852 List<PreferredActivity> prefs = pir != null 4853 ? pir.queryIntent(intent, resolvedType, 4854 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4855 : null; 4856 if (prefs != null && prefs.size() > 0) { 4857 boolean changed = false; 4858 try { 4859 // First figure out how good the original match set is. 4860 // We will only allow preferred activities that came 4861 // from the same match quality. 4862 int match = 0; 4863 4864 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4865 4866 final int N = query.size(); 4867 for (int j=0; j<N; j++) { 4868 final ResolveInfo ri = query.get(j); 4869 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4870 + ": 0x" + Integer.toHexString(match)); 4871 if (ri.match > match) { 4872 match = ri.match; 4873 } 4874 } 4875 4876 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4877 + Integer.toHexString(match)); 4878 4879 match &= IntentFilter.MATCH_CATEGORY_MASK; 4880 final int M = prefs.size(); 4881 for (int i=0; i<M; i++) { 4882 final PreferredActivity pa = prefs.get(i); 4883 if (DEBUG_PREFERRED || debug) { 4884 Slog.v(TAG, "Checking PreferredActivity ds=" 4885 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4886 + "\n component=" + pa.mPref.mComponent); 4887 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4888 } 4889 if (pa.mPref.mMatch != match) { 4890 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4891 + Integer.toHexString(pa.mPref.mMatch)); 4892 continue; 4893 } 4894 // If it's not an "always" type preferred activity and that's what we're 4895 // looking for, skip it. 4896 if (always && !pa.mPref.mAlways) { 4897 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4898 continue; 4899 } 4900 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4901 flags | MATCH_DISABLED_COMPONENTS, userId); 4902 if (DEBUG_PREFERRED || debug) { 4903 Slog.v(TAG, "Found preferred activity:"); 4904 if (ai != null) { 4905 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4906 } else { 4907 Slog.v(TAG, " null"); 4908 } 4909 } 4910 if (ai == null) { 4911 // This previously registered preferred activity 4912 // component is no longer known. Most likely an update 4913 // to the app was installed and in the new version this 4914 // component no longer exists. Clean it up by removing 4915 // it from the preferred activities list, and skip it. 4916 Slog.w(TAG, "Removing dangling preferred activity: " 4917 + pa.mPref.mComponent); 4918 pir.removeFilter(pa); 4919 changed = true; 4920 continue; 4921 } 4922 for (int j=0; j<N; j++) { 4923 final ResolveInfo ri = query.get(j); 4924 if (!ri.activityInfo.applicationInfo.packageName 4925 .equals(ai.applicationInfo.packageName)) { 4926 continue; 4927 } 4928 if (!ri.activityInfo.name.equals(ai.name)) { 4929 continue; 4930 } 4931 4932 if (removeMatches) { 4933 pir.removeFilter(pa); 4934 changed = true; 4935 if (DEBUG_PREFERRED) { 4936 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4937 } 4938 break; 4939 } 4940 4941 // Okay we found a previously set preferred or last chosen app. 4942 // If the result set is different from when this 4943 // was created, we need to clear it and re-ask the 4944 // user their preference, if we're looking for an "always" type entry. 4945 if (always && !pa.mPref.sameSet(query)) { 4946 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4947 + intent + " type " + resolvedType); 4948 if (DEBUG_PREFERRED) { 4949 Slog.v(TAG, "Removing preferred activity since set changed " 4950 + pa.mPref.mComponent); 4951 } 4952 pir.removeFilter(pa); 4953 // Re-add the filter as a "last chosen" entry (!always) 4954 PreferredActivity lastChosen = new PreferredActivity( 4955 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4956 pir.addFilter(lastChosen); 4957 changed = true; 4958 return null; 4959 } 4960 4961 // Yay! Either the set matched or we're looking for the last chosen 4962 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4963 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4964 return ri; 4965 } 4966 } 4967 } finally { 4968 if (changed) { 4969 if (DEBUG_PREFERRED) { 4970 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4971 } 4972 scheduleWritePackageRestrictionsLocked(userId); 4973 } 4974 } 4975 } 4976 } 4977 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4978 return null; 4979 } 4980 4981 /* 4982 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4983 */ 4984 @Override 4985 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4986 int targetUserId) { 4987 mContext.enforceCallingOrSelfPermission( 4988 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4989 List<CrossProfileIntentFilter> matches = 4990 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4991 if (matches != null) { 4992 int size = matches.size(); 4993 for (int i = 0; i < size; i++) { 4994 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4995 } 4996 } 4997 if (hasWebURI(intent)) { 4998 // cross-profile app linking works only towards the parent. 4999 final UserInfo parent = getProfileParent(sourceUserId); 5000 synchronized(mPackages) { 5001 int flags = updateFlagsForResolve(0, parent.id, intent); 5002 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5003 intent, resolvedType, flags, sourceUserId, parent.id); 5004 return xpDomainInfo != null; 5005 } 5006 } 5007 return false; 5008 } 5009 5010 private UserInfo getProfileParent(int userId) { 5011 final long identity = Binder.clearCallingIdentity(); 5012 try { 5013 return sUserManager.getProfileParent(userId); 5014 } finally { 5015 Binder.restoreCallingIdentity(identity); 5016 } 5017 } 5018 5019 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5020 String resolvedType, int userId) { 5021 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5022 if (resolver != null) { 5023 return resolver.queryIntent(intent, resolvedType, false, userId); 5024 } 5025 return null; 5026 } 5027 5028 @Override 5029 public List<ResolveInfo> queryIntentActivities(Intent intent, 5030 String resolvedType, int flags, int userId) { 5031 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5032 flags = updateFlagsForResolve(flags, userId, intent); 5033 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5034 false /* requireFullPermission */, false /* checkShell */, 5035 "query intent activities"); 5036 ComponentName comp = intent.getComponent(); 5037 if (comp == null) { 5038 if (intent.getSelector() != null) { 5039 intent = intent.getSelector(); 5040 comp = intent.getComponent(); 5041 } 5042 } 5043 5044 if (comp != null) { 5045 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5046 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5047 if (ai != null) { 5048 final ResolveInfo ri = new ResolveInfo(); 5049 ri.activityInfo = ai; 5050 list.add(ri); 5051 } 5052 return list; 5053 } 5054 5055 // reader 5056 synchronized (mPackages) { 5057 final String pkgName = intent.getPackage(); 5058 if (pkgName == null) { 5059 List<CrossProfileIntentFilter> matchingFilters = 5060 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5061 // Check for results that need to skip the current profile. 5062 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5063 resolvedType, flags, userId); 5064 if (xpResolveInfo != null) { 5065 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5066 result.add(xpResolveInfo); 5067 return filterIfNotSystemUser(result, userId); 5068 } 5069 5070 // Check for results in the current profile. 5071 List<ResolveInfo> result = mActivities.queryIntent( 5072 intent, resolvedType, flags, userId); 5073 result = filterIfNotSystemUser(result, userId); 5074 5075 // Check for cross profile results. 5076 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5077 xpResolveInfo = queryCrossProfileIntents( 5078 matchingFilters, intent, resolvedType, flags, userId, 5079 hasNonNegativePriorityResult); 5080 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5081 boolean isVisibleToUser = filterIfNotSystemUser( 5082 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5083 if (isVisibleToUser) { 5084 result.add(xpResolveInfo); 5085 Collections.sort(result, mResolvePrioritySorter); 5086 } 5087 } 5088 if (hasWebURI(intent)) { 5089 CrossProfileDomainInfo xpDomainInfo = null; 5090 final UserInfo parent = getProfileParent(userId); 5091 if (parent != null) { 5092 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5093 flags, userId, parent.id); 5094 } 5095 if (xpDomainInfo != null) { 5096 if (xpResolveInfo != null) { 5097 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5098 // in the result. 5099 result.remove(xpResolveInfo); 5100 } 5101 if (result.size() == 0) { 5102 result.add(xpDomainInfo.resolveInfo); 5103 return result; 5104 } 5105 } else if (result.size() <= 1) { 5106 return result; 5107 } 5108 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5109 xpDomainInfo, userId); 5110 Collections.sort(result, mResolvePrioritySorter); 5111 } 5112 return result; 5113 } 5114 final PackageParser.Package pkg = mPackages.get(pkgName); 5115 if (pkg != null) { 5116 return filterIfNotSystemUser( 5117 mActivities.queryIntentForPackage( 5118 intent, resolvedType, flags, pkg.activities, userId), 5119 userId); 5120 } 5121 return new ArrayList<ResolveInfo>(); 5122 } 5123 } 5124 5125 private static class CrossProfileDomainInfo { 5126 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5127 ResolveInfo resolveInfo; 5128 /* Best domain verification status of the activities found in the other profile */ 5129 int bestDomainVerificationStatus; 5130 } 5131 5132 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5133 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5134 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5135 sourceUserId)) { 5136 return null; 5137 } 5138 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5139 resolvedType, flags, parentUserId); 5140 5141 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5142 return null; 5143 } 5144 CrossProfileDomainInfo result = null; 5145 int size = resultTargetUser.size(); 5146 for (int i = 0; i < size; i++) { 5147 ResolveInfo riTargetUser = resultTargetUser.get(i); 5148 // Intent filter verification is only for filters that specify a host. So don't return 5149 // those that handle all web uris. 5150 if (riTargetUser.handleAllWebDataURI) { 5151 continue; 5152 } 5153 String packageName = riTargetUser.activityInfo.packageName; 5154 PackageSetting ps = mSettings.mPackages.get(packageName); 5155 if (ps == null) { 5156 continue; 5157 } 5158 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5159 int status = (int)(verificationState >> 32); 5160 if (result == null) { 5161 result = new CrossProfileDomainInfo(); 5162 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5163 sourceUserId, parentUserId); 5164 result.bestDomainVerificationStatus = status; 5165 } else { 5166 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5167 result.bestDomainVerificationStatus); 5168 } 5169 } 5170 // Don't consider matches with status NEVER across profiles. 5171 if (result != null && result.bestDomainVerificationStatus 5172 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5173 return null; 5174 } 5175 return result; 5176 } 5177 5178 /** 5179 * Verification statuses are ordered from the worse to the best, except for 5180 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5181 */ 5182 private int bestDomainVerificationStatus(int status1, int status2) { 5183 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5184 return status2; 5185 } 5186 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5187 return status1; 5188 } 5189 return (int) MathUtils.max(status1, status2); 5190 } 5191 5192 private boolean isUserEnabled(int userId) { 5193 long callingId = Binder.clearCallingIdentity(); 5194 try { 5195 UserInfo userInfo = sUserManager.getUserInfo(userId); 5196 return userInfo != null && userInfo.isEnabled(); 5197 } finally { 5198 Binder.restoreCallingIdentity(callingId); 5199 } 5200 } 5201 5202 /** 5203 * Filter out activities with systemUserOnly flag set, when current user is not System. 5204 * 5205 * @return filtered list 5206 */ 5207 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5208 if (userId == UserHandle.USER_SYSTEM) { 5209 return resolveInfos; 5210 } 5211 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5212 ResolveInfo info = resolveInfos.get(i); 5213 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5214 resolveInfos.remove(i); 5215 } 5216 } 5217 return resolveInfos; 5218 } 5219 5220 /** 5221 * @param resolveInfos list of resolve infos in descending priority order 5222 * @return if the list contains a resolve info with non-negative priority 5223 */ 5224 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5225 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5226 } 5227 5228 private static boolean hasWebURI(Intent intent) { 5229 if (intent.getData() == null) { 5230 return false; 5231 } 5232 final String scheme = intent.getScheme(); 5233 if (TextUtils.isEmpty(scheme)) { 5234 return false; 5235 } 5236 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5237 } 5238 5239 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5240 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5241 int userId) { 5242 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5243 5244 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5245 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5246 candidates.size()); 5247 } 5248 5249 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5250 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5251 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5252 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5253 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5254 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5255 5256 synchronized (mPackages) { 5257 final int count = candidates.size(); 5258 // First, try to use linked apps. Partition the candidates into four lists: 5259 // one for the final results, one for the "do not use ever", one for "undefined status" 5260 // and finally one for "browser app type". 5261 for (int n=0; n<count; n++) { 5262 ResolveInfo info = candidates.get(n); 5263 String packageName = info.activityInfo.packageName; 5264 PackageSetting ps = mSettings.mPackages.get(packageName); 5265 if (ps != null) { 5266 // Add to the special match all list (Browser use case) 5267 if (info.handleAllWebDataURI) { 5268 matchAllList.add(info); 5269 continue; 5270 } 5271 // Try to get the status from User settings first 5272 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5273 int status = (int)(packedStatus >> 32); 5274 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5275 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5276 if (DEBUG_DOMAIN_VERIFICATION) { 5277 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5278 + " : linkgen=" + linkGeneration); 5279 } 5280 // Use link-enabled generation as preferredOrder, i.e. 5281 // prefer newly-enabled over earlier-enabled. 5282 info.preferredOrder = linkGeneration; 5283 alwaysList.add(info); 5284 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5285 if (DEBUG_DOMAIN_VERIFICATION) { 5286 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5287 } 5288 neverList.add(info); 5289 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5290 if (DEBUG_DOMAIN_VERIFICATION) { 5291 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5292 } 5293 alwaysAskList.add(info); 5294 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5295 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5296 if (DEBUG_DOMAIN_VERIFICATION) { 5297 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5298 } 5299 undefinedList.add(info); 5300 } 5301 } 5302 } 5303 5304 // We'll want to include browser possibilities in a few cases 5305 boolean includeBrowser = false; 5306 5307 // First try to add the "always" resolution(s) for the current user, if any 5308 if (alwaysList.size() > 0) { 5309 result.addAll(alwaysList); 5310 } else { 5311 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5312 result.addAll(undefinedList); 5313 // Maybe add one for the other profile. 5314 if (xpDomainInfo != null && ( 5315 xpDomainInfo.bestDomainVerificationStatus 5316 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5317 result.add(xpDomainInfo.resolveInfo); 5318 } 5319 includeBrowser = true; 5320 } 5321 5322 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5323 // If there were 'always' entries their preferred order has been set, so we also 5324 // back that off to make the alternatives equivalent 5325 if (alwaysAskList.size() > 0) { 5326 for (ResolveInfo i : result) { 5327 i.preferredOrder = 0; 5328 } 5329 result.addAll(alwaysAskList); 5330 includeBrowser = true; 5331 } 5332 5333 if (includeBrowser) { 5334 // Also add browsers (all of them or only the default one) 5335 if (DEBUG_DOMAIN_VERIFICATION) { 5336 Slog.v(TAG, " ...including browsers in candidate set"); 5337 } 5338 if ((matchFlags & MATCH_ALL) != 0) { 5339 result.addAll(matchAllList); 5340 } else { 5341 // Browser/generic handling case. If there's a default browser, go straight 5342 // to that (but only if there is no other higher-priority match). 5343 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5344 int maxMatchPrio = 0; 5345 ResolveInfo defaultBrowserMatch = null; 5346 final int numCandidates = matchAllList.size(); 5347 for (int n = 0; n < numCandidates; n++) { 5348 ResolveInfo info = matchAllList.get(n); 5349 // track the highest overall match priority... 5350 if (info.priority > maxMatchPrio) { 5351 maxMatchPrio = info.priority; 5352 } 5353 // ...and the highest-priority default browser match 5354 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5355 if (defaultBrowserMatch == null 5356 || (defaultBrowserMatch.priority < info.priority)) { 5357 if (debug) { 5358 Slog.v(TAG, "Considering default browser match " + info); 5359 } 5360 defaultBrowserMatch = info; 5361 } 5362 } 5363 } 5364 if (defaultBrowserMatch != null 5365 && defaultBrowserMatch.priority >= maxMatchPrio 5366 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5367 { 5368 if (debug) { 5369 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5370 } 5371 result.add(defaultBrowserMatch); 5372 } else { 5373 result.addAll(matchAllList); 5374 } 5375 } 5376 5377 // If there is nothing selected, add all candidates and remove the ones that the user 5378 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5379 if (result.size() == 0) { 5380 result.addAll(candidates); 5381 result.removeAll(neverList); 5382 } 5383 } 5384 } 5385 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5386 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5387 result.size()); 5388 for (ResolveInfo info : result) { 5389 Slog.v(TAG, " + " + info.activityInfo); 5390 } 5391 } 5392 return result; 5393 } 5394 5395 // Returns a packed value as a long: 5396 // 5397 // high 'int'-sized word: link status: undefined/ask/never/always. 5398 // low 'int'-sized word: relative priority among 'always' results. 5399 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5400 long result = ps.getDomainVerificationStatusForUser(userId); 5401 // if none available, get the master status 5402 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5403 if (ps.getIntentFilterVerificationInfo() != null) { 5404 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5405 } 5406 } 5407 return result; 5408 } 5409 5410 private ResolveInfo querySkipCurrentProfileIntents( 5411 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5412 int flags, int sourceUserId) { 5413 if (matchingFilters != null) { 5414 int size = matchingFilters.size(); 5415 for (int i = 0; i < size; i ++) { 5416 CrossProfileIntentFilter filter = matchingFilters.get(i); 5417 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5418 // Checking if there are activities in the target user that can handle the 5419 // intent. 5420 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5421 resolvedType, flags, sourceUserId); 5422 if (resolveInfo != null) { 5423 return resolveInfo; 5424 } 5425 } 5426 } 5427 } 5428 return null; 5429 } 5430 5431 // Return matching ResolveInfo in target user if any. 5432 private ResolveInfo queryCrossProfileIntents( 5433 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5434 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5435 if (matchingFilters != null) { 5436 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5437 // match the same intent. For performance reasons, it is better not to 5438 // run queryIntent twice for the same userId 5439 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5440 int size = matchingFilters.size(); 5441 for (int i = 0; i < size; i++) { 5442 CrossProfileIntentFilter filter = matchingFilters.get(i); 5443 int targetUserId = filter.getTargetUserId(); 5444 boolean skipCurrentProfile = 5445 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5446 boolean skipCurrentProfileIfNoMatchFound = 5447 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5448 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5449 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5450 // Checking if there are activities in the target user that can handle the 5451 // intent. 5452 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5453 resolvedType, flags, sourceUserId); 5454 if (resolveInfo != null) return resolveInfo; 5455 alreadyTriedUserIds.put(targetUserId, true); 5456 } 5457 } 5458 } 5459 return null; 5460 } 5461 5462 /** 5463 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5464 * will forward the intent to the filter's target user. 5465 * Otherwise, returns null. 5466 */ 5467 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5468 String resolvedType, int flags, int sourceUserId) { 5469 int targetUserId = filter.getTargetUserId(); 5470 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5471 resolvedType, flags, targetUserId); 5472 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5473 // If all the matches in the target profile are suspended, return null. 5474 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5475 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5476 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5477 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5478 targetUserId); 5479 } 5480 } 5481 } 5482 return null; 5483 } 5484 5485 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5486 int sourceUserId, int targetUserId) { 5487 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5488 long ident = Binder.clearCallingIdentity(); 5489 boolean targetIsProfile; 5490 try { 5491 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5492 } finally { 5493 Binder.restoreCallingIdentity(ident); 5494 } 5495 String className; 5496 if (targetIsProfile) { 5497 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5498 } else { 5499 className = FORWARD_INTENT_TO_PARENT; 5500 } 5501 ComponentName forwardingActivityComponentName = new ComponentName( 5502 mAndroidApplication.packageName, className); 5503 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5504 sourceUserId); 5505 if (!targetIsProfile) { 5506 forwardingActivityInfo.showUserIcon = targetUserId; 5507 forwardingResolveInfo.noResourceId = true; 5508 } 5509 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5510 forwardingResolveInfo.priority = 0; 5511 forwardingResolveInfo.preferredOrder = 0; 5512 forwardingResolveInfo.match = 0; 5513 forwardingResolveInfo.isDefault = true; 5514 forwardingResolveInfo.filter = filter; 5515 forwardingResolveInfo.targetUserId = targetUserId; 5516 return forwardingResolveInfo; 5517 } 5518 5519 @Override 5520 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5521 Intent[] specifics, String[] specificTypes, Intent intent, 5522 String resolvedType, int flags, int userId) { 5523 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5524 flags = updateFlagsForResolve(flags, userId, intent); 5525 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5526 false /* requireFullPermission */, false /* checkShell */, 5527 "query intent activity options"); 5528 final String resultsAction = intent.getAction(); 5529 5530 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5531 | PackageManager.GET_RESOLVED_FILTER, userId); 5532 5533 if (DEBUG_INTENT_MATCHING) { 5534 Log.v(TAG, "Query " + intent + ": " + results); 5535 } 5536 5537 int specificsPos = 0; 5538 int N; 5539 5540 // todo: note that the algorithm used here is O(N^2). This 5541 // isn't a problem in our current environment, but if we start running 5542 // into situations where we have more than 5 or 10 matches then this 5543 // should probably be changed to something smarter... 5544 5545 // First we go through and resolve each of the specific items 5546 // that were supplied, taking care of removing any corresponding 5547 // duplicate items in the generic resolve list. 5548 if (specifics != null) { 5549 for (int i=0; i<specifics.length; i++) { 5550 final Intent sintent = specifics[i]; 5551 if (sintent == null) { 5552 continue; 5553 } 5554 5555 if (DEBUG_INTENT_MATCHING) { 5556 Log.v(TAG, "Specific #" + i + ": " + sintent); 5557 } 5558 5559 String action = sintent.getAction(); 5560 if (resultsAction != null && resultsAction.equals(action)) { 5561 // If this action was explicitly requested, then don't 5562 // remove things that have it. 5563 action = null; 5564 } 5565 5566 ResolveInfo ri = null; 5567 ActivityInfo ai = null; 5568 5569 ComponentName comp = sintent.getComponent(); 5570 if (comp == null) { 5571 ri = resolveIntent( 5572 sintent, 5573 specificTypes != null ? specificTypes[i] : null, 5574 flags, userId); 5575 if (ri == null) { 5576 continue; 5577 } 5578 if (ri == mResolveInfo) { 5579 // ACK! Must do something better with this. 5580 } 5581 ai = ri.activityInfo; 5582 comp = new ComponentName(ai.applicationInfo.packageName, 5583 ai.name); 5584 } else { 5585 ai = getActivityInfo(comp, flags, userId); 5586 if (ai == null) { 5587 continue; 5588 } 5589 } 5590 5591 // Look for any generic query activities that are duplicates 5592 // of this specific one, and remove them from the results. 5593 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5594 N = results.size(); 5595 int j; 5596 for (j=specificsPos; j<N; j++) { 5597 ResolveInfo sri = results.get(j); 5598 if ((sri.activityInfo.name.equals(comp.getClassName()) 5599 && sri.activityInfo.applicationInfo.packageName.equals( 5600 comp.getPackageName())) 5601 || (action != null && sri.filter.matchAction(action))) { 5602 results.remove(j); 5603 if (DEBUG_INTENT_MATCHING) Log.v( 5604 TAG, "Removing duplicate item from " + j 5605 + " due to specific " + specificsPos); 5606 if (ri == null) { 5607 ri = sri; 5608 } 5609 j--; 5610 N--; 5611 } 5612 } 5613 5614 // Add this specific item to its proper place. 5615 if (ri == null) { 5616 ri = new ResolveInfo(); 5617 ri.activityInfo = ai; 5618 } 5619 results.add(specificsPos, ri); 5620 ri.specificIndex = i; 5621 specificsPos++; 5622 } 5623 } 5624 5625 // Now we go through the remaining generic results and remove any 5626 // duplicate actions that are found here. 5627 N = results.size(); 5628 for (int i=specificsPos; i<N-1; i++) { 5629 final ResolveInfo rii = results.get(i); 5630 if (rii.filter == null) { 5631 continue; 5632 } 5633 5634 // Iterate over all of the actions of this result's intent 5635 // filter... typically this should be just one. 5636 final Iterator<String> it = rii.filter.actionsIterator(); 5637 if (it == null) { 5638 continue; 5639 } 5640 while (it.hasNext()) { 5641 final String action = it.next(); 5642 if (resultsAction != null && resultsAction.equals(action)) { 5643 // If this action was explicitly requested, then don't 5644 // remove things that have it. 5645 continue; 5646 } 5647 for (int j=i+1; j<N; j++) { 5648 final ResolveInfo rij = results.get(j); 5649 if (rij.filter != null && rij.filter.hasAction(action)) { 5650 results.remove(j); 5651 if (DEBUG_INTENT_MATCHING) Log.v( 5652 TAG, "Removing duplicate item from " + j 5653 + " due to action " + action + " at " + i); 5654 j--; 5655 N--; 5656 } 5657 } 5658 } 5659 5660 // If the caller didn't request filter information, drop it now 5661 // so we don't have to marshall/unmarshall it. 5662 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5663 rii.filter = null; 5664 } 5665 } 5666 5667 // Filter out the caller activity if so requested. 5668 if (caller != null) { 5669 N = results.size(); 5670 for (int i=0; i<N; i++) { 5671 ActivityInfo ainfo = results.get(i).activityInfo; 5672 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5673 && caller.getClassName().equals(ainfo.name)) { 5674 results.remove(i); 5675 break; 5676 } 5677 } 5678 } 5679 5680 // If the caller didn't request filter information, 5681 // drop them now so we don't have to 5682 // marshall/unmarshall it. 5683 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5684 N = results.size(); 5685 for (int i=0; i<N; i++) { 5686 results.get(i).filter = null; 5687 } 5688 } 5689 5690 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5691 return results; 5692 } 5693 5694 @Override 5695 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5696 int userId) { 5697 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5698 flags = updateFlagsForResolve(flags, userId, intent); 5699 ComponentName comp = intent.getComponent(); 5700 if (comp == null) { 5701 if (intent.getSelector() != null) { 5702 intent = intent.getSelector(); 5703 comp = intent.getComponent(); 5704 } 5705 } 5706 if (comp != null) { 5707 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5708 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5709 if (ai != null) { 5710 ResolveInfo ri = new ResolveInfo(); 5711 ri.activityInfo = ai; 5712 list.add(ri); 5713 } 5714 return list; 5715 } 5716 5717 // reader 5718 synchronized (mPackages) { 5719 String pkgName = intent.getPackage(); 5720 if (pkgName == null) { 5721 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5722 } 5723 final PackageParser.Package pkg = mPackages.get(pkgName); 5724 if (pkg != null) { 5725 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5726 userId); 5727 } 5728 return null; 5729 } 5730 } 5731 5732 @Override 5733 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5734 if (!sUserManager.exists(userId)) return null; 5735 flags = updateFlagsForResolve(flags, userId, intent); 5736 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5737 if (query != null) { 5738 if (query.size() >= 1) { 5739 // If there is more than one service with the same priority, 5740 // just arbitrarily pick the first one. 5741 return query.get(0); 5742 } 5743 } 5744 return null; 5745 } 5746 5747 @Override 5748 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5749 int userId) { 5750 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5751 flags = updateFlagsForResolve(flags, userId, intent); 5752 ComponentName comp = intent.getComponent(); 5753 if (comp == null) { 5754 if (intent.getSelector() != null) { 5755 intent = intent.getSelector(); 5756 comp = intent.getComponent(); 5757 } 5758 } 5759 if (comp != null) { 5760 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5761 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5762 if (si != null) { 5763 final ResolveInfo ri = new ResolveInfo(); 5764 ri.serviceInfo = si; 5765 list.add(ri); 5766 } 5767 return list; 5768 } 5769 5770 // reader 5771 synchronized (mPackages) { 5772 String pkgName = intent.getPackage(); 5773 if (pkgName == null) { 5774 return mServices.queryIntent(intent, resolvedType, flags, userId); 5775 } 5776 final PackageParser.Package pkg = mPackages.get(pkgName); 5777 if (pkg != null) { 5778 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5779 userId); 5780 } 5781 return null; 5782 } 5783 } 5784 5785 @Override 5786 public List<ResolveInfo> queryIntentContentProviders( 5787 Intent intent, String resolvedType, int flags, int userId) { 5788 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5789 flags = updateFlagsForResolve(flags, userId, intent); 5790 ComponentName comp = intent.getComponent(); 5791 if (comp == null) { 5792 if (intent.getSelector() != null) { 5793 intent = intent.getSelector(); 5794 comp = intent.getComponent(); 5795 } 5796 } 5797 if (comp != null) { 5798 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5799 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5800 if (pi != null) { 5801 final ResolveInfo ri = new ResolveInfo(); 5802 ri.providerInfo = pi; 5803 list.add(ri); 5804 } 5805 return list; 5806 } 5807 5808 // reader 5809 synchronized (mPackages) { 5810 String pkgName = intent.getPackage(); 5811 if (pkgName == null) { 5812 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5813 } 5814 final PackageParser.Package pkg = mPackages.get(pkgName); 5815 if (pkg != null) { 5816 return mProviders.queryIntentForPackage( 5817 intent, resolvedType, flags, pkg.providers, userId); 5818 } 5819 return null; 5820 } 5821 } 5822 5823 @Override 5824 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5825 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5826 flags = updateFlagsForPackage(flags, userId, null); 5827 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5828 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5829 true /* requireFullPermission */, false /* checkShell */, 5830 "get installed packages"); 5831 5832 // writer 5833 synchronized (mPackages) { 5834 ArrayList<PackageInfo> list; 5835 if (listUninstalled) { 5836 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5837 for (PackageSetting ps : mSettings.mPackages.values()) { 5838 PackageInfo pi; 5839 if (ps.pkg != null) { 5840 pi = generatePackageInfo(ps.pkg, flags, userId); 5841 } else { 5842 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5843 } 5844 if (pi != null) { 5845 list.add(pi); 5846 } 5847 } 5848 } else { 5849 list = new ArrayList<PackageInfo>(mPackages.size()); 5850 for (PackageParser.Package p : mPackages.values()) { 5851 PackageInfo pi = generatePackageInfo(p, flags, userId); 5852 if (pi != null) { 5853 list.add(pi); 5854 } 5855 } 5856 } 5857 5858 return new ParceledListSlice<PackageInfo>(list); 5859 } 5860 } 5861 5862 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5863 String[] permissions, boolean[] tmp, int flags, int userId) { 5864 int numMatch = 0; 5865 final PermissionsState permissionsState = ps.getPermissionsState(); 5866 for (int i=0; i<permissions.length; i++) { 5867 final String permission = permissions[i]; 5868 if (permissionsState.hasPermission(permission, userId)) { 5869 tmp[i] = true; 5870 numMatch++; 5871 } else { 5872 tmp[i] = false; 5873 } 5874 } 5875 if (numMatch == 0) { 5876 return; 5877 } 5878 PackageInfo pi; 5879 if (ps.pkg != null) { 5880 pi = generatePackageInfo(ps.pkg, flags, userId); 5881 } else { 5882 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5883 } 5884 // The above might return null in cases of uninstalled apps or install-state 5885 // skew across users/profiles. 5886 if (pi != null) { 5887 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5888 if (numMatch == permissions.length) { 5889 pi.requestedPermissions = permissions; 5890 } else { 5891 pi.requestedPermissions = new String[numMatch]; 5892 numMatch = 0; 5893 for (int i=0; i<permissions.length; i++) { 5894 if (tmp[i]) { 5895 pi.requestedPermissions[numMatch] = permissions[i]; 5896 numMatch++; 5897 } 5898 } 5899 } 5900 } 5901 list.add(pi); 5902 } 5903 } 5904 5905 @Override 5906 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5907 String[] permissions, int flags, int userId) { 5908 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5909 flags = updateFlagsForPackage(flags, userId, permissions); 5910 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5911 5912 // writer 5913 synchronized (mPackages) { 5914 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5915 boolean[] tmpBools = new boolean[permissions.length]; 5916 if (listUninstalled) { 5917 for (PackageSetting ps : mSettings.mPackages.values()) { 5918 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5919 } 5920 } else { 5921 for (PackageParser.Package pkg : mPackages.values()) { 5922 PackageSetting ps = (PackageSetting)pkg.mExtras; 5923 if (ps != null) { 5924 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5925 userId); 5926 } 5927 } 5928 } 5929 5930 return new ParceledListSlice<PackageInfo>(list); 5931 } 5932 } 5933 5934 @Override 5935 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5936 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5937 flags = updateFlagsForApplication(flags, userId, null); 5938 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5939 5940 // writer 5941 synchronized (mPackages) { 5942 ArrayList<ApplicationInfo> list; 5943 if (listUninstalled) { 5944 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5945 for (PackageSetting ps : mSettings.mPackages.values()) { 5946 ApplicationInfo ai; 5947 if (ps.pkg != null) { 5948 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5949 ps.readUserState(userId), userId); 5950 } else { 5951 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5952 } 5953 if (ai != null) { 5954 list.add(ai); 5955 } 5956 } 5957 } else { 5958 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5959 for (PackageParser.Package p : mPackages.values()) { 5960 if (p.mExtras != null) { 5961 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5962 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5963 if (ai != null) { 5964 list.add(ai); 5965 } 5966 } 5967 } 5968 } 5969 5970 return new ParceledListSlice<ApplicationInfo>(list); 5971 } 5972 } 5973 5974 @Override 5975 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 5976 if (DISABLE_EPHEMERAL_APPS) { 5977 return null; 5978 } 5979 5980 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5981 "getEphemeralApplications"); 5982 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5983 true /* requireFullPermission */, false /* checkShell */, 5984 "getEphemeralApplications"); 5985 synchronized (mPackages) { 5986 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 5987 .getEphemeralApplicationsLPw(userId); 5988 if (ephemeralApps != null) { 5989 return new ParceledListSlice<>(ephemeralApps); 5990 } 5991 } 5992 return null; 5993 } 5994 5995 @Override 5996 public boolean isEphemeralApplication(String packageName, int userId) { 5997 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5998 true /* requireFullPermission */, false /* checkShell */, 5999 "isEphemeral"); 6000 if (DISABLE_EPHEMERAL_APPS) { 6001 return false; 6002 } 6003 6004 if (!isCallerSameApp(packageName)) { 6005 return false; 6006 } 6007 synchronized (mPackages) { 6008 PackageParser.Package pkg = mPackages.get(packageName); 6009 if (pkg != null) { 6010 return pkg.applicationInfo.isEphemeralApp(); 6011 } 6012 } 6013 return false; 6014 } 6015 6016 @Override 6017 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6018 if (DISABLE_EPHEMERAL_APPS) { 6019 return null; 6020 } 6021 6022 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6023 true /* requireFullPermission */, false /* checkShell */, 6024 "getCookie"); 6025 if (!isCallerSameApp(packageName)) { 6026 return null; 6027 } 6028 synchronized (mPackages) { 6029 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6030 packageName, userId); 6031 } 6032 } 6033 6034 @Override 6035 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6036 if (DISABLE_EPHEMERAL_APPS) { 6037 return true; 6038 } 6039 6040 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6041 true /* requireFullPermission */, true /* checkShell */, 6042 "setCookie"); 6043 if (!isCallerSameApp(packageName)) { 6044 return false; 6045 } 6046 synchronized (mPackages) { 6047 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6048 packageName, cookie, userId); 6049 } 6050 } 6051 6052 @Override 6053 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6054 if (DISABLE_EPHEMERAL_APPS) { 6055 return null; 6056 } 6057 6058 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6059 "getEphemeralApplicationIcon"); 6060 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6061 true /* requireFullPermission */, false /* checkShell */, 6062 "getEphemeralApplicationIcon"); 6063 synchronized (mPackages) { 6064 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6065 packageName, userId); 6066 } 6067 } 6068 6069 private boolean isCallerSameApp(String packageName) { 6070 PackageParser.Package pkg = mPackages.get(packageName); 6071 return pkg != null 6072 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6073 } 6074 6075 public List<ApplicationInfo> getPersistentApplications(int flags) { 6076 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6077 6078 // reader 6079 synchronized (mPackages) { 6080 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6081 final int userId = UserHandle.getCallingUserId(); 6082 while (i.hasNext()) { 6083 final PackageParser.Package p = i.next(); 6084 if (p.applicationInfo == null) continue; 6085 6086 final boolean matchesUnaware = ((flags & MATCH_ENCRYPTION_UNAWARE) != 0) 6087 && !p.applicationInfo.isEncryptionAware(); 6088 final boolean matchesAware = ((flags & MATCH_ENCRYPTION_AWARE) != 0) 6089 && p.applicationInfo.isEncryptionAware(); 6090 6091 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6092 && (!mSafeMode || isSystemApp(p)) 6093 && (matchesUnaware || matchesAware)) { 6094 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6095 if (ps != null) { 6096 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6097 ps.readUserState(userId), userId); 6098 if (ai != null) { 6099 finalList.add(ai); 6100 } 6101 } 6102 } 6103 } 6104 } 6105 6106 return finalList; 6107 } 6108 6109 @Override 6110 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6111 if (!sUserManager.exists(userId)) return null; 6112 flags = updateFlagsForComponent(flags, userId, name); 6113 // reader 6114 synchronized (mPackages) { 6115 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6116 PackageSetting ps = provider != null 6117 ? mSettings.mPackages.get(provider.owner.packageName) 6118 : null; 6119 return ps != null 6120 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6121 ? PackageParser.generateProviderInfo(provider, flags, 6122 ps.readUserState(userId), userId) 6123 : null; 6124 } 6125 } 6126 6127 /** 6128 * @deprecated 6129 */ 6130 @Deprecated 6131 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6132 // reader 6133 synchronized (mPackages) { 6134 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6135 .entrySet().iterator(); 6136 final int userId = UserHandle.getCallingUserId(); 6137 while (i.hasNext()) { 6138 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6139 PackageParser.Provider p = entry.getValue(); 6140 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6141 6142 if (ps != null && p.syncable 6143 && (!mSafeMode || (p.info.applicationInfo.flags 6144 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6145 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6146 ps.readUserState(userId), userId); 6147 if (info != null) { 6148 outNames.add(entry.getKey()); 6149 outInfo.add(info); 6150 } 6151 } 6152 } 6153 } 6154 } 6155 6156 @Override 6157 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6158 int uid, int flags) { 6159 final int userId = processName != null ? UserHandle.getUserId(uid) 6160 : UserHandle.getCallingUserId(); 6161 if (!sUserManager.exists(userId)) return null; 6162 flags = updateFlagsForComponent(flags, userId, processName); 6163 6164 ArrayList<ProviderInfo> finalList = null; 6165 // reader 6166 synchronized (mPackages) { 6167 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6168 while (i.hasNext()) { 6169 final PackageParser.Provider p = i.next(); 6170 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6171 if (ps != null && p.info.authority != null 6172 && (processName == null 6173 || (p.info.processName.equals(processName) 6174 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6175 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6176 if (finalList == null) { 6177 finalList = new ArrayList<ProviderInfo>(3); 6178 } 6179 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6180 ps.readUserState(userId), userId); 6181 if (info != null) { 6182 finalList.add(info); 6183 } 6184 } 6185 } 6186 } 6187 6188 if (finalList != null) { 6189 Collections.sort(finalList, mProviderInitOrderSorter); 6190 return new ParceledListSlice<ProviderInfo>(finalList); 6191 } 6192 6193 return null; 6194 } 6195 6196 @Override 6197 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6198 // reader 6199 synchronized (mPackages) { 6200 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6201 return PackageParser.generateInstrumentationInfo(i, flags); 6202 } 6203 } 6204 6205 @Override 6206 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 6207 int flags) { 6208 ArrayList<InstrumentationInfo> finalList = 6209 new ArrayList<InstrumentationInfo>(); 6210 6211 // reader 6212 synchronized (mPackages) { 6213 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6214 while (i.hasNext()) { 6215 final PackageParser.Instrumentation p = i.next(); 6216 if (targetPackage == null 6217 || targetPackage.equals(p.info.targetPackage)) { 6218 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6219 flags); 6220 if (ii != null) { 6221 finalList.add(ii); 6222 } 6223 } 6224 } 6225 } 6226 6227 return finalList; 6228 } 6229 6230 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6231 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6232 if (overlays == null) { 6233 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6234 return; 6235 } 6236 for (PackageParser.Package opkg : overlays.values()) { 6237 // Not much to do if idmap fails: we already logged the error 6238 // and we certainly don't want to abort installation of pkg simply 6239 // because an overlay didn't fit properly. For these reasons, 6240 // ignore the return value of createIdmapForPackagePairLI. 6241 createIdmapForPackagePairLI(pkg, opkg); 6242 } 6243 } 6244 6245 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6246 PackageParser.Package opkg) { 6247 if (!opkg.mTrustedOverlay) { 6248 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6249 opkg.baseCodePath + ": overlay not trusted"); 6250 return false; 6251 } 6252 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6253 if (overlaySet == null) { 6254 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6255 opkg.baseCodePath + " but target package has no known overlays"); 6256 return false; 6257 } 6258 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6259 // TODO: generate idmap for split APKs 6260 try { 6261 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6262 } catch (InstallerException e) { 6263 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6264 + opkg.baseCodePath); 6265 return false; 6266 } 6267 PackageParser.Package[] overlayArray = 6268 overlaySet.values().toArray(new PackageParser.Package[0]); 6269 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6270 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6271 return p1.mOverlayPriority - p2.mOverlayPriority; 6272 } 6273 }; 6274 Arrays.sort(overlayArray, cmp); 6275 6276 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6277 int i = 0; 6278 for (PackageParser.Package p : overlayArray) { 6279 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6280 } 6281 return true; 6282 } 6283 6284 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6285 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6286 try { 6287 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6288 } finally { 6289 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6290 } 6291 } 6292 6293 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6294 final File[] files = dir.listFiles(); 6295 if (ArrayUtils.isEmpty(files)) { 6296 Log.d(TAG, "No files in app dir " + dir); 6297 return; 6298 } 6299 6300 if (DEBUG_PACKAGE_SCANNING) { 6301 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6302 + " flags=0x" + Integer.toHexString(parseFlags)); 6303 } 6304 6305 for (File file : files) { 6306 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6307 && !PackageInstallerService.isStageName(file.getName()); 6308 if (!isPackage) { 6309 // Ignore entries which are not packages 6310 continue; 6311 } 6312 try { 6313 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6314 scanFlags, currentTime, null); 6315 } catch (PackageManagerException e) { 6316 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6317 6318 // Delete invalid userdata apps 6319 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6320 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6321 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6322 removeCodePathLI(file); 6323 } 6324 } 6325 } 6326 } 6327 6328 private static File getSettingsProblemFile() { 6329 File dataDir = Environment.getDataDirectory(); 6330 File systemDir = new File(dataDir, "system"); 6331 File fname = new File(systemDir, "uiderrors.txt"); 6332 return fname; 6333 } 6334 6335 static void reportSettingsProblem(int priority, String msg) { 6336 logCriticalInfo(priority, msg); 6337 } 6338 6339 static void logCriticalInfo(int priority, String msg) { 6340 Slog.println(priority, TAG, msg); 6341 EventLogTags.writePmCriticalInfo(msg); 6342 try { 6343 File fname = getSettingsProblemFile(); 6344 FileOutputStream out = new FileOutputStream(fname, true); 6345 PrintWriter pw = new FastPrintWriter(out); 6346 SimpleDateFormat formatter = new SimpleDateFormat(); 6347 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6348 pw.println(dateString + ": " + msg); 6349 pw.close(); 6350 FileUtils.setPermissions( 6351 fname.toString(), 6352 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6353 -1, -1); 6354 } catch (java.io.IOException e) { 6355 } 6356 } 6357 6358 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6359 int parseFlags) throws PackageManagerException { 6360 if (ps != null 6361 && ps.codePath.equals(srcFile) 6362 && ps.timeStamp == srcFile.lastModified() 6363 && !isCompatSignatureUpdateNeeded(pkg) 6364 && !isRecoverSignatureUpdateNeeded(pkg)) { 6365 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6366 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6367 ArraySet<PublicKey> signingKs; 6368 synchronized (mPackages) { 6369 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6370 } 6371 if (ps.signatures.mSignatures != null 6372 && ps.signatures.mSignatures.length != 0 6373 && signingKs != null) { 6374 // Optimization: reuse the existing cached certificates 6375 // if the package appears to be unchanged. 6376 pkg.mSignatures = ps.signatures.mSignatures; 6377 pkg.mSigningKeys = signingKs; 6378 return; 6379 } 6380 6381 Slog.w(TAG, "PackageSetting for " + ps.name 6382 + " is missing signatures. Collecting certs again to recover them."); 6383 } else { 6384 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6385 } 6386 6387 try { 6388 PackageParser.collectCertificates(pkg, parseFlags); 6389 } catch (PackageParserException e) { 6390 throw PackageManagerException.from(e); 6391 } 6392 } 6393 6394 /** 6395 * Traces a package scan. 6396 * @see #scanPackageLI(File, int, int, long, UserHandle) 6397 */ 6398 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6399 long currentTime, UserHandle user) throws PackageManagerException { 6400 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6401 try { 6402 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6403 } finally { 6404 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6405 } 6406 } 6407 6408 /** 6409 * Scans a package and returns the newly parsed package. 6410 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6411 */ 6412 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6413 long currentTime, UserHandle user) throws PackageManagerException { 6414 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6415 parseFlags |= mDefParseFlags; 6416 PackageParser pp = new PackageParser(); 6417 pp.setSeparateProcesses(mSeparateProcesses); 6418 pp.setOnlyCoreApps(mOnlyCore); 6419 pp.setDisplayMetrics(mMetrics); 6420 6421 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6422 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6423 } 6424 6425 final PackageParser.Package pkg; 6426 try { 6427 pkg = pp.parsePackage(scanFile, parseFlags); 6428 } catch (PackageParserException e) { 6429 throw PackageManagerException.from(e); 6430 } 6431 6432 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6433 } 6434 6435 /** 6436 * Scans a package and returns the newly parsed package. 6437 * @throws PackageManagerException on a parse error. 6438 */ 6439 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6440 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6441 throws PackageManagerException { 6442 // If the package has children and this is the first dive in the function 6443 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6444 // packages (parent and children) would be successfully scanned before the 6445 // actual scan since scanning mutates internal state and we want to atomically 6446 // install the package and its children. 6447 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6448 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6449 scanFlags |= SCAN_CHECK_ONLY; 6450 } 6451 } else { 6452 scanFlags &= ~SCAN_CHECK_ONLY; 6453 } 6454 6455 // Scan the parent 6456 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6457 scanFlags, currentTime, user); 6458 6459 // Scan the children 6460 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6461 for (int i = 0; i < childCount; i++) { 6462 PackageParser.Package childPackage = pkg.childPackages.get(i); 6463 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6464 currentTime, user); 6465 } 6466 6467 6468 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6469 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6470 } 6471 6472 return scannedPkg; 6473 } 6474 6475 /** 6476 * Scans a package and returns the newly parsed package. 6477 * @throws PackageManagerException on a parse error. 6478 */ 6479 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6480 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6481 throws PackageManagerException { 6482 PackageSetting ps = null; 6483 PackageSetting updatedPkg; 6484 // reader 6485 synchronized (mPackages) { 6486 // Look to see if we already know about this package. 6487 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6488 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6489 // This package has been renamed to its original name. Let's 6490 // use that. 6491 ps = mSettings.peekPackageLPr(oldName); 6492 } 6493 // If there was no original package, see one for the real package name. 6494 if (ps == null) { 6495 ps = mSettings.peekPackageLPr(pkg.packageName); 6496 } 6497 // Check to see if this package could be hiding/updating a system 6498 // package. Must look for it either under the original or real 6499 // package name depending on our state. 6500 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6501 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6502 6503 // If this is a package we don't know about on the system partition, we 6504 // may need to remove disabled child packages on the system partition 6505 // or may need to not add child packages if the parent apk is updated 6506 // on the data partition and no longer defines this child package. 6507 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6508 // If this is a parent package for an updated system app and this system 6509 // app got an OTA update which no longer defines some of the child packages 6510 // we have to prune them from the disabled system packages. 6511 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6512 if (disabledPs != null) { 6513 final int scannedChildCount = (pkg.childPackages != null) 6514 ? pkg.childPackages.size() : 0; 6515 final int disabledChildCount = disabledPs.childPackageNames != null 6516 ? disabledPs.childPackageNames.size() : 0; 6517 for (int i = 0; i < disabledChildCount; i++) { 6518 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6519 boolean disabledPackageAvailable = false; 6520 for (int j = 0; j < scannedChildCount; j++) { 6521 PackageParser.Package childPkg = pkg.childPackages.get(j); 6522 if (childPkg.packageName.equals(disabledChildPackageName)) { 6523 disabledPackageAvailable = true; 6524 break; 6525 } 6526 } 6527 if (!disabledPackageAvailable) { 6528 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6529 } 6530 } 6531 } 6532 } 6533 } 6534 6535 boolean updatedPkgBetter = false; 6536 // First check if this is a system package that may involve an update 6537 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6538 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6539 // it needs to drop FLAG_PRIVILEGED. 6540 if (locationIsPrivileged(scanFile)) { 6541 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6542 } else { 6543 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6544 } 6545 6546 if (ps != null && !ps.codePath.equals(scanFile)) { 6547 // The path has changed from what was last scanned... check the 6548 // version of the new path against what we have stored to determine 6549 // what to do. 6550 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6551 if (pkg.mVersionCode <= ps.versionCode) { 6552 // The system package has been updated and the code path does not match 6553 // Ignore entry. Skip it. 6554 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6555 + " ignored: updated version " + ps.versionCode 6556 + " better than this " + pkg.mVersionCode); 6557 if (!updatedPkg.codePath.equals(scanFile)) { 6558 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6559 + ps.name + " changing from " + updatedPkg.codePathString 6560 + " to " + scanFile); 6561 updatedPkg.codePath = scanFile; 6562 updatedPkg.codePathString = scanFile.toString(); 6563 updatedPkg.resourcePath = scanFile; 6564 updatedPkg.resourcePathString = scanFile.toString(); 6565 } 6566 updatedPkg.pkg = pkg; 6567 updatedPkg.versionCode = pkg.mVersionCode; 6568 6569 // Update the disabled system child packages to point to the package too. 6570 final int childCount = updatedPkg.childPackageNames != null 6571 ? updatedPkg.childPackageNames.size() : 0; 6572 for (int i = 0; i < childCount; i++) { 6573 String childPackageName = updatedPkg.childPackageNames.get(i); 6574 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6575 childPackageName); 6576 if (updatedChildPkg != null) { 6577 updatedChildPkg.pkg = pkg; 6578 updatedChildPkg.versionCode = pkg.mVersionCode; 6579 } 6580 } 6581 6582 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6583 + scanFile + " ignored: updated version " + ps.versionCode 6584 + " better than this " + pkg.mVersionCode); 6585 } else { 6586 // The current app on the system partition is better than 6587 // what we have updated to on the data partition; switch 6588 // back to the system partition version. 6589 // At this point, its safely assumed that package installation for 6590 // apps in system partition will go through. If not there won't be a working 6591 // version of the app 6592 // writer 6593 synchronized (mPackages) { 6594 // Just remove the loaded entries from package lists. 6595 mPackages.remove(ps.name); 6596 } 6597 6598 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6599 + " reverting from " + ps.codePathString 6600 + ": new version " + pkg.mVersionCode 6601 + " better than installed " + ps.versionCode); 6602 6603 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6604 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6605 synchronized (mInstallLock) { 6606 args.cleanUpResourcesLI(); 6607 } 6608 synchronized (mPackages) { 6609 mSettings.enableSystemPackageLPw(ps.name); 6610 } 6611 updatedPkgBetter = true; 6612 } 6613 } 6614 } 6615 6616 if (updatedPkg != null) { 6617 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6618 // initially 6619 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6620 6621 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6622 // flag set initially 6623 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6624 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6625 } 6626 } 6627 6628 // Verify certificates against what was last scanned 6629 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6630 6631 /* 6632 * A new system app appeared, but we already had a non-system one of the 6633 * same name installed earlier. 6634 */ 6635 boolean shouldHideSystemApp = false; 6636 if (updatedPkg == null && ps != null 6637 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6638 /* 6639 * Check to make sure the signatures match first. If they don't, 6640 * wipe the installed application and its data. 6641 */ 6642 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6643 != PackageManager.SIGNATURE_MATCH) { 6644 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6645 + " signatures don't match existing userdata copy; removing"); 6646 deletePackageLI(pkg.packageName, null, true, null, 0, null, false, null); 6647 ps = null; 6648 } else { 6649 /* 6650 * If the newly-added system app is an older version than the 6651 * already installed version, hide it. It will be scanned later 6652 * and re-added like an update. 6653 */ 6654 if (pkg.mVersionCode <= ps.versionCode) { 6655 shouldHideSystemApp = true; 6656 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6657 + " but new version " + pkg.mVersionCode + " better than installed " 6658 + ps.versionCode + "; hiding system"); 6659 } else { 6660 /* 6661 * The newly found system app is a newer version that the 6662 * one previously installed. Simply remove the 6663 * already-installed application and replace it with our own 6664 * while keeping the application data. 6665 */ 6666 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6667 + " reverting from " + ps.codePathString + ": new version " 6668 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6669 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6670 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6671 synchronized (mInstallLock) { 6672 args.cleanUpResourcesLI(); 6673 } 6674 } 6675 } 6676 } 6677 6678 // The apk is forward locked (not public) if its code and resources 6679 // are kept in different files. (except for app in either system or 6680 // vendor path). 6681 // TODO grab this value from PackageSettings 6682 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6683 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6684 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6685 } 6686 } 6687 6688 // TODO: extend to support forward-locked splits 6689 String resourcePath = null; 6690 String baseResourcePath = null; 6691 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6692 if (ps != null && ps.resourcePathString != null) { 6693 resourcePath = ps.resourcePathString; 6694 baseResourcePath = ps.resourcePathString; 6695 } else { 6696 // Should not happen at all. Just log an error. 6697 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6698 } 6699 } else { 6700 resourcePath = pkg.codePath; 6701 baseResourcePath = pkg.baseCodePath; 6702 } 6703 6704 // Set application objects path explicitly. 6705 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6706 pkg.setApplicationInfoCodePath(pkg.codePath); 6707 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6708 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6709 pkg.setApplicationInfoResourcePath(resourcePath); 6710 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6711 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6712 6713 // Note that we invoke the following method only if we are about to unpack an application 6714 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6715 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6716 6717 /* 6718 * If the system app should be overridden by a previously installed 6719 * data, hide the system app now and let the /data/app scan pick it up 6720 * again. 6721 */ 6722 if (shouldHideSystemApp) { 6723 synchronized (mPackages) { 6724 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6725 } 6726 } 6727 6728 return scannedPkg; 6729 } 6730 6731 private static String fixProcessName(String defProcessName, 6732 String processName, int uid) { 6733 if (processName == null) { 6734 return defProcessName; 6735 } 6736 return processName; 6737 } 6738 6739 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6740 throws PackageManagerException { 6741 if (pkgSetting.signatures.mSignatures != null) { 6742 // Already existing package. Make sure signatures match 6743 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6744 == PackageManager.SIGNATURE_MATCH; 6745 if (!match) { 6746 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6747 == PackageManager.SIGNATURE_MATCH; 6748 } 6749 if (!match) { 6750 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6751 == PackageManager.SIGNATURE_MATCH; 6752 } 6753 if (!match) { 6754 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6755 + pkg.packageName + " signatures do not match the " 6756 + "previously installed version; ignoring!"); 6757 } 6758 } 6759 6760 // Check for shared user signatures 6761 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6762 // Already existing package. Make sure signatures match 6763 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6764 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6765 if (!match) { 6766 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6767 == PackageManager.SIGNATURE_MATCH; 6768 } 6769 if (!match) { 6770 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6771 == PackageManager.SIGNATURE_MATCH; 6772 } 6773 if (!match) { 6774 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6775 "Package " + pkg.packageName 6776 + " has no signatures that match those in shared user " 6777 + pkgSetting.sharedUser.name + "; ignoring!"); 6778 } 6779 } 6780 } 6781 6782 /** 6783 * Enforces that only the system UID or root's UID can call a method exposed 6784 * via Binder. 6785 * 6786 * @param message used as message if SecurityException is thrown 6787 * @throws SecurityException if the caller is not system or root 6788 */ 6789 private static final void enforceSystemOrRoot(String message) { 6790 final int uid = Binder.getCallingUid(); 6791 if (uid != Process.SYSTEM_UID && uid != 0) { 6792 throw new SecurityException(message); 6793 } 6794 } 6795 6796 @Override 6797 public void performFstrimIfNeeded() { 6798 enforceSystemOrRoot("Only the system can request fstrim"); 6799 6800 // Before everything else, see whether we need to fstrim. 6801 try { 6802 IMountService ms = PackageHelper.getMountService(); 6803 if (ms != null) { 6804 final boolean isUpgrade = isUpgrade(); 6805 boolean doTrim = isUpgrade; 6806 if (doTrim) { 6807 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6808 } else { 6809 final long interval = android.provider.Settings.Global.getLong( 6810 mContext.getContentResolver(), 6811 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6812 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6813 if (interval > 0) { 6814 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6815 if (timeSinceLast > interval) { 6816 doTrim = true; 6817 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6818 + "; running immediately"); 6819 } 6820 } 6821 } 6822 if (doTrim) { 6823 if (!isFirstBoot()) { 6824 try { 6825 ActivityManagerNative.getDefault().showBootMessage( 6826 mContext.getResources().getString( 6827 R.string.android_upgrading_fstrim), true); 6828 } catch (RemoteException e) { 6829 } 6830 } 6831 ms.runMaintenance(); 6832 } 6833 } else { 6834 Slog.e(TAG, "Mount service unavailable!"); 6835 } 6836 } catch (RemoteException e) { 6837 // Can't happen; MountService is local 6838 } 6839 } 6840 6841 @Override 6842 public void extractPackagesIfNeeded() { 6843 enforceSystemOrRoot("Only the system can request package extraction"); 6844 6845 // Extract pacakges only if profile-guided compilation is enabled because 6846 // otherwise BackgroundDexOptService will not dexopt them later. 6847 if (!isUpgrade()) { 6848 return; 6849 } 6850 6851 List<PackageParser.Package> pkgs; 6852 synchronized (mPackages) { 6853 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 6854 } 6855 6856 int curr = 0; 6857 int total = pkgs.size(); 6858 for (PackageParser.Package pkg : pkgs) { 6859 curr++; 6860 6861 if (DEBUG_DEXOPT) { 6862 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 6863 } 6864 6865 if (!isFirstBoot()) { 6866 try { 6867 ActivityManagerNative.getDefault().showBootMessage( 6868 mContext.getResources().getString(R.string.android_upgrading_apk, 6869 curr, total), true); 6870 } catch (RemoteException e) { 6871 } 6872 } 6873 6874 if (PackageDexOptimizer.canOptimizePackage(pkg)) { 6875 performDexOpt(pkg.packageName, null /* instructionSet */, 6876 false /* useProfiles */, true /* extractOnly */, false /* force */); 6877 } 6878 } 6879 } 6880 6881 @Override 6882 public void notifyPackageUse(String packageName) { 6883 synchronized (mPackages) { 6884 PackageParser.Package p = mPackages.get(packageName); 6885 if (p == null) { 6886 return; 6887 } 6888 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6889 } 6890 } 6891 6892 // TODO: this is not used nor needed. Delete it. 6893 @Override 6894 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6895 return performDexOptTraced(packageName, instructionSet, false /* useProfiles */, 6896 false /* extractOnly */, false /* force */); 6897 } 6898 6899 @Override 6900 public boolean performDexOpt(String packageName, String instructionSet, boolean useProfiles, 6901 boolean extractOnly, boolean force) { 6902 return performDexOptTraced(packageName, instructionSet, useProfiles, extractOnly, force); 6903 } 6904 6905 private boolean performDexOptTraced(String packageName, String instructionSet, 6906 boolean useProfiles, boolean extractOnly, boolean force) { 6907 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6908 try { 6909 return performDexOptInternal(packageName, instructionSet, useProfiles, extractOnly, 6910 force); 6911 } finally { 6912 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6913 } 6914 } 6915 6916 private boolean performDexOptInternal(String packageName, String instructionSet, 6917 boolean useProfiles, boolean extractOnly, boolean force) { 6918 PackageParser.Package p; 6919 final String targetInstructionSet; 6920 synchronized (mPackages) { 6921 p = mPackages.get(packageName); 6922 if (p == null) { 6923 return false; 6924 } 6925 mPackageUsage.write(false); 6926 6927 targetInstructionSet = instructionSet != null ? instructionSet : 6928 getPrimaryInstructionSet(p.applicationInfo); 6929 } 6930 long callingId = Binder.clearCallingIdentity(); 6931 try { 6932 synchronized (mInstallLock) { 6933 final String[] instructionSets = new String[] { targetInstructionSet }; 6934 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 6935 useProfiles, extractOnly, force); 6936 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6937 } 6938 } finally { 6939 Binder.restoreCallingIdentity(callingId); 6940 } 6941 } 6942 6943 public ArraySet<String> getOptimizablePackages() { 6944 ArraySet<String> pkgs = new ArraySet<String>(); 6945 synchronized (mPackages) { 6946 for (PackageParser.Package p : mPackages.values()) { 6947 if (PackageDexOptimizer.canOptimizePackage(p)) { 6948 pkgs.add(p.packageName); 6949 } 6950 } 6951 } 6952 return pkgs; 6953 } 6954 6955 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 6956 String instructionSets[], boolean useProfiles, boolean extractOnly, boolean force) { 6957 // Select the dex optimizer based on the force parameter. 6958 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 6959 // allocate an object here. 6960 PackageDexOptimizer pdo = force 6961 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 6962 : mPackageDexOptimizer; 6963 6964 // Optimize all dependencies first. Note: we ignore the return value and march on 6965 // on errors. 6966 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 6967 if (!deps.isEmpty()) { 6968 for (PackageParser.Package depPackage : deps) { 6969 // TODO: Analyze and investigate if we (should) profile libraries. 6970 // Currently this will do a full compilation of the library. 6971 pdo.performDexOpt(depPackage, instructionSets, false /* useProfiles */, 6972 false /* extractOnly */); 6973 } 6974 } 6975 6976 return pdo.performDexOpt(p, instructionSets, useProfiles, extractOnly); 6977 } 6978 6979 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 6980 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 6981 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 6982 Set<String> collectedNames = new HashSet<>(); 6983 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 6984 6985 retValue.remove(p); 6986 6987 return retValue; 6988 } else { 6989 return Collections.emptyList(); 6990 } 6991 } 6992 6993 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 6994 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 6995 if (!collectedNames.contains(p.packageName)) { 6996 collectedNames.add(p.packageName); 6997 collected.add(p); 6998 6999 if (p.usesLibraries != null) { 7000 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7001 } 7002 if (p.usesOptionalLibraries != null) { 7003 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7004 collectedNames); 7005 } 7006 } 7007 } 7008 7009 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7010 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7011 for (String libName : libs) { 7012 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7013 if (libPkg != null) { 7014 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7015 } 7016 } 7017 } 7018 7019 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7020 synchronized (mPackages) { 7021 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7022 if (lib != null && lib.apk != null) { 7023 return mPackages.get(lib.apk); 7024 } 7025 } 7026 return null; 7027 } 7028 7029 public void shutdown() { 7030 mPackageUsage.write(true); 7031 } 7032 7033 @Override 7034 public void forceDexOpt(String packageName) { 7035 enforceSystemOrRoot("forceDexOpt"); 7036 7037 PackageParser.Package pkg; 7038 synchronized (mPackages) { 7039 pkg = mPackages.get(packageName); 7040 if (pkg == null) { 7041 throw new IllegalArgumentException("Unknown package: " + packageName); 7042 } 7043 } 7044 7045 synchronized (mInstallLock) { 7046 final String[] instructionSets = new String[] { 7047 getPrimaryInstructionSet(pkg.applicationInfo) }; 7048 7049 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7050 7051 // Whoever is calling forceDexOpt wants a fully compiled package. 7052 // Don't use profiles since that may cause compilation to be skipped. 7053 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7054 false /* useProfiles */, false /* extractOnly */, true /* force */); 7055 7056 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7057 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7058 throw new IllegalStateException("Failed to dexopt: " + res); 7059 } 7060 } 7061 } 7062 7063 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7064 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7065 Slog.w(TAG, "Unable to update from " + oldPkg.name 7066 + " to " + newPkg.packageName 7067 + ": old package not in system partition"); 7068 return false; 7069 } else if (mPackages.get(oldPkg.name) != null) { 7070 Slog.w(TAG, "Unable to update from " + oldPkg.name 7071 + " to " + newPkg.packageName 7072 + ": old package still exists"); 7073 return false; 7074 } 7075 return true; 7076 } 7077 7078 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7079 // TODO: triage flags as part of 26466827 7080 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7081 7082 boolean res = true; 7083 final int[] users = sUserManager.getUserIds(); 7084 for (int user : users) { 7085 try { 7086 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7087 } catch (InstallerException e) { 7088 Slog.w(TAG, "Failed to delete data directory", e); 7089 res = false; 7090 } 7091 } 7092 return res; 7093 } 7094 7095 void removeCodePathLI(File codePath) { 7096 if (codePath.isDirectory()) { 7097 try { 7098 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7099 } catch (InstallerException e) { 7100 Slog.w(TAG, "Failed to remove code path", e); 7101 } 7102 } else { 7103 codePath.delete(); 7104 } 7105 } 7106 7107 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7108 try { 7109 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7110 } catch (InstallerException e) { 7111 Slog.w(TAG, "Failed to destroy app data", e); 7112 } 7113 } 7114 7115 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7116 int appId, String seinfo) { 7117 try { 7118 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7119 } catch (InstallerException e) { 7120 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7121 } 7122 } 7123 7124 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7125 final PackageParser.Package pkg; 7126 synchronized (mPackages) { 7127 pkg = mPackages.get(packageName); 7128 } 7129 if (pkg == null) { 7130 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7131 return; 7132 } 7133 deleteCodeCacheDirsLI(pkg); 7134 } 7135 7136 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7137 // TODO: triage flags as part of 26466827 7138 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7139 7140 int[] users = sUserManager.getUserIds(); 7141 int res = 0; 7142 for (int user : users) { 7143 // Remove the parent code cache 7144 try { 7145 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7146 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7147 } catch (InstallerException e) { 7148 Slog.w(TAG, "Failed to delete code cache directory", e); 7149 } 7150 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7151 for (int i = 0; i < childCount; i++) { 7152 PackageParser.Package childPkg = pkg.childPackages.get(i); 7153 // Remove the child code cache 7154 try { 7155 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7156 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7157 } catch (InstallerException e) { 7158 Slog.w(TAG, "Failed to delete code cache directory", e); 7159 } 7160 } 7161 } 7162 } 7163 7164 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7165 long lastUpdateTime) { 7166 // Set parent install/update time 7167 PackageSetting ps = (PackageSetting) pkg.mExtras; 7168 if (ps != null) { 7169 ps.firstInstallTime = firstInstallTime; 7170 ps.lastUpdateTime = lastUpdateTime; 7171 } 7172 // Set children install/update time 7173 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7174 for (int i = 0; i < childCount; i++) { 7175 PackageParser.Package childPkg = pkg.childPackages.get(i); 7176 ps = (PackageSetting) childPkg.mExtras; 7177 if (ps != null) { 7178 ps.firstInstallTime = firstInstallTime; 7179 ps.lastUpdateTime = lastUpdateTime; 7180 } 7181 } 7182 } 7183 7184 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7185 PackageParser.Package changingLib) { 7186 if (file.path != null) { 7187 usesLibraryFiles.add(file.path); 7188 return; 7189 } 7190 PackageParser.Package p = mPackages.get(file.apk); 7191 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7192 // If we are doing this while in the middle of updating a library apk, 7193 // then we need to make sure to use that new apk for determining the 7194 // dependencies here. (We haven't yet finished committing the new apk 7195 // to the package manager state.) 7196 if (p == null || p.packageName.equals(changingLib.packageName)) { 7197 p = changingLib; 7198 } 7199 } 7200 if (p != null) { 7201 usesLibraryFiles.addAll(p.getAllCodePaths()); 7202 } 7203 } 7204 7205 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7206 PackageParser.Package changingLib) throws PackageManagerException { 7207 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7208 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7209 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7210 for (int i=0; i<N; i++) { 7211 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7212 if (file == null) { 7213 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7214 "Package " + pkg.packageName + " requires unavailable shared library " 7215 + pkg.usesLibraries.get(i) + "; failing!"); 7216 } 7217 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7218 } 7219 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7220 for (int i=0; i<N; i++) { 7221 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7222 if (file == null) { 7223 Slog.w(TAG, "Package " + pkg.packageName 7224 + " desires unavailable shared library " 7225 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7226 } else { 7227 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7228 } 7229 } 7230 N = usesLibraryFiles.size(); 7231 if (N > 0) { 7232 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7233 } else { 7234 pkg.usesLibraryFiles = null; 7235 } 7236 } 7237 } 7238 7239 private static boolean hasString(List<String> list, List<String> which) { 7240 if (list == null) { 7241 return false; 7242 } 7243 for (int i=list.size()-1; i>=0; i--) { 7244 for (int j=which.size()-1; j>=0; j--) { 7245 if (which.get(j).equals(list.get(i))) { 7246 return true; 7247 } 7248 } 7249 } 7250 return false; 7251 } 7252 7253 private void updateAllSharedLibrariesLPw() { 7254 for (PackageParser.Package pkg : mPackages.values()) { 7255 try { 7256 updateSharedLibrariesLPw(pkg, null); 7257 } catch (PackageManagerException e) { 7258 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7259 } 7260 } 7261 } 7262 7263 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7264 PackageParser.Package changingPkg) { 7265 ArrayList<PackageParser.Package> res = null; 7266 for (PackageParser.Package pkg : mPackages.values()) { 7267 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7268 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7269 if (res == null) { 7270 res = new ArrayList<PackageParser.Package>(); 7271 } 7272 res.add(pkg); 7273 try { 7274 updateSharedLibrariesLPw(pkg, changingPkg); 7275 } catch (PackageManagerException e) { 7276 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7277 } 7278 } 7279 } 7280 return res; 7281 } 7282 7283 /** 7284 * Derive the value of the {@code cpuAbiOverride} based on the provided 7285 * value and an optional stored value from the package settings. 7286 */ 7287 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7288 String cpuAbiOverride = null; 7289 7290 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7291 cpuAbiOverride = null; 7292 } else if (abiOverride != null) { 7293 cpuAbiOverride = abiOverride; 7294 } else if (settings != null) { 7295 cpuAbiOverride = settings.cpuAbiOverrideString; 7296 } 7297 7298 return cpuAbiOverride; 7299 } 7300 7301 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7302 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7303 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7304 // If the package has children and this is the first dive in the function 7305 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7306 // whether all packages (parent and children) would be successfully scanned 7307 // before the actual scan since scanning mutates internal state and we want 7308 // to atomically install the package and its children. 7309 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7310 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7311 scanFlags |= SCAN_CHECK_ONLY; 7312 } 7313 } else { 7314 scanFlags &= ~SCAN_CHECK_ONLY; 7315 } 7316 7317 final PackageParser.Package scannedPkg; 7318 try { 7319 // Scan the parent 7320 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7321 // Scan the children 7322 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7323 for (int i = 0; i < childCount; i++) { 7324 PackageParser.Package childPkg = pkg.childPackages.get(i); 7325 scanPackageLI(childPkg, parseFlags, 7326 scanFlags, currentTime, user); 7327 } 7328 } finally { 7329 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7330 } 7331 7332 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7333 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7334 } 7335 7336 return scannedPkg; 7337 } 7338 7339 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7340 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7341 boolean success = false; 7342 try { 7343 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7344 currentTime, user); 7345 success = true; 7346 return res; 7347 } finally { 7348 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7349 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7350 } 7351 } 7352 } 7353 7354 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7355 int scanFlags, long currentTime, UserHandle user) 7356 throws PackageManagerException { 7357 final File scanFile = new File(pkg.codePath); 7358 if (pkg.applicationInfo.getCodePath() == null || 7359 pkg.applicationInfo.getResourcePath() == null) { 7360 // Bail out. The resource and code paths haven't been set. 7361 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7362 "Code and resource paths haven't been set correctly"); 7363 } 7364 7365 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7366 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7367 } else { 7368 // Only allow system apps to be flagged as core apps. 7369 pkg.coreApp = false; 7370 } 7371 7372 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7373 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7374 } 7375 7376 if (mCustomResolverComponentName != null && 7377 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7378 setUpCustomResolverActivity(pkg); 7379 } 7380 7381 if (pkg.packageName.equals("android")) { 7382 synchronized (mPackages) { 7383 if (mAndroidApplication != null) { 7384 Slog.w(TAG, "*************************************************"); 7385 Slog.w(TAG, "Core android package being redefined. Skipping."); 7386 Slog.w(TAG, " file=" + scanFile); 7387 Slog.w(TAG, "*************************************************"); 7388 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7389 "Core android package being redefined. Skipping."); 7390 } 7391 7392 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7393 // Set up information for our fall-back user intent resolution activity. 7394 mPlatformPackage = pkg; 7395 pkg.mVersionCode = mSdkVersion; 7396 mAndroidApplication = pkg.applicationInfo; 7397 7398 if (!mResolverReplaced) { 7399 mResolveActivity.applicationInfo = mAndroidApplication; 7400 mResolveActivity.name = ResolverActivity.class.getName(); 7401 mResolveActivity.packageName = mAndroidApplication.packageName; 7402 mResolveActivity.processName = "system:ui"; 7403 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7404 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7405 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7406 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7407 mResolveActivity.exported = true; 7408 mResolveActivity.enabled = true; 7409 mResolveInfo.activityInfo = mResolveActivity; 7410 mResolveInfo.priority = 0; 7411 mResolveInfo.preferredOrder = 0; 7412 mResolveInfo.match = 0; 7413 mResolveComponentName = new ComponentName( 7414 mAndroidApplication.packageName, mResolveActivity.name); 7415 } 7416 } 7417 } 7418 } 7419 7420 if (DEBUG_PACKAGE_SCANNING) { 7421 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7422 Log.d(TAG, "Scanning package " + pkg.packageName); 7423 } 7424 7425 synchronized (mPackages) { 7426 if (mPackages.containsKey(pkg.packageName) 7427 || mSharedLibraries.containsKey(pkg.packageName)) { 7428 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7429 "Application package " + pkg.packageName 7430 + " already installed. Skipping duplicate."); 7431 } 7432 7433 // If we're only installing presumed-existing packages, require that the 7434 // scanned APK is both already known and at the path previously established 7435 // for it. Previously unknown packages we pick up normally, but if we have an 7436 // a priori expectation about this package's install presence, enforce it. 7437 // With a singular exception for new system packages. When an OTA contains 7438 // a new system package, we allow the codepath to change from a system location 7439 // to the user-installed location. If we don't allow this change, any newer, 7440 // user-installed version of the application will be ignored. 7441 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7442 if (mExpectingBetter.containsKey(pkg.packageName)) { 7443 logCriticalInfo(Log.WARN, 7444 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7445 } else { 7446 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7447 if (known != null) { 7448 if (DEBUG_PACKAGE_SCANNING) { 7449 Log.d(TAG, "Examining " + pkg.codePath 7450 + " and requiring known paths " + known.codePathString 7451 + " & " + known.resourcePathString); 7452 } 7453 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7454 || !pkg.applicationInfo.getResourcePath().equals( 7455 known.resourcePathString)) { 7456 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7457 "Application package " + pkg.packageName 7458 + " found at " + pkg.applicationInfo.getCodePath() 7459 + " but expected at " + known.codePathString 7460 + "; ignoring."); 7461 } 7462 } 7463 } 7464 } 7465 } 7466 7467 // Initialize package source and resource directories 7468 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7469 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7470 7471 SharedUserSetting suid = null; 7472 PackageSetting pkgSetting = null; 7473 7474 if (!isSystemApp(pkg)) { 7475 // Only system apps can use these features. 7476 pkg.mOriginalPackages = null; 7477 pkg.mRealPackage = null; 7478 pkg.mAdoptPermissions = null; 7479 } 7480 7481 // Getting the package setting may have a side-effect, so if we 7482 // are only checking if scan would succeed, stash a copy of the 7483 // old setting to restore at the end. 7484 PackageSetting nonMutatedPs = null; 7485 7486 // writer 7487 synchronized (mPackages) { 7488 if (pkg.mSharedUserId != null) { 7489 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7490 if (suid == null) { 7491 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7492 "Creating application package " + pkg.packageName 7493 + " for shared user failed"); 7494 } 7495 if (DEBUG_PACKAGE_SCANNING) { 7496 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7497 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7498 + "): packages=" + suid.packages); 7499 } 7500 } 7501 7502 // Check if we are renaming from an original package name. 7503 PackageSetting origPackage = null; 7504 String realName = null; 7505 if (pkg.mOriginalPackages != null) { 7506 // This package may need to be renamed to a previously 7507 // installed name. Let's check on that... 7508 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7509 if (pkg.mOriginalPackages.contains(renamed)) { 7510 // This package had originally been installed as the 7511 // original name, and we have already taken care of 7512 // transitioning to the new one. Just update the new 7513 // one to continue using the old name. 7514 realName = pkg.mRealPackage; 7515 if (!pkg.packageName.equals(renamed)) { 7516 // Callers into this function may have already taken 7517 // care of renaming the package; only do it here if 7518 // it is not already done. 7519 pkg.setPackageName(renamed); 7520 } 7521 7522 } else { 7523 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7524 if ((origPackage = mSettings.peekPackageLPr( 7525 pkg.mOriginalPackages.get(i))) != null) { 7526 // We do have the package already installed under its 7527 // original name... should we use it? 7528 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7529 // New package is not compatible with original. 7530 origPackage = null; 7531 continue; 7532 } else if (origPackage.sharedUser != null) { 7533 // Make sure uid is compatible between packages. 7534 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7535 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7536 + " to " + pkg.packageName + ": old uid " 7537 + origPackage.sharedUser.name 7538 + " differs from " + pkg.mSharedUserId); 7539 origPackage = null; 7540 continue; 7541 } 7542 } else { 7543 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7544 + pkg.packageName + " to old name " + origPackage.name); 7545 } 7546 break; 7547 } 7548 } 7549 } 7550 } 7551 7552 if (mTransferedPackages.contains(pkg.packageName)) { 7553 Slog.w(TAG, "Package " + pkg.packageName 7554 + " was transferred to another, but its .apk remains"); 7555 } 7556 7557 // See comments in nonMutatedPs declaration 7558 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7559 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7560 if (foundPs != null) { 7561 nonMutatedPs = new PackageSetting(foundPs); 7562 } 7563 } 7564 7565 // Just create the setting, don't add it yet. For already existing packages 7566 // the PkgSetting exists already and doesn't have to be created. 7567 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7568 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7569 pkg.applicationInfo.primaryCpuAbi, 7570 pkg.applicationInfo.secondaryCpuAbi, 7571 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7572 user, false); 7573 if (pkgSetting == null) { 7574 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7575 "Creating application package " + pkg.packageName + " failed"); 7576 } 7577 7578 if (pkgSetting.origPackage != null) { 7579 // If we are first transitioning from an original package, 7580 // fix up the new package's name now. We need to do this after 7581 // looking up the package under its new name, so getPackageLP 7582 // can take care of fiddling things correctly. 7583 pkg.setPackageName(origPackage.name); 7584 7585 // File a report about this. 7586 String msg = "New package " + pkgSetting.realName 7587 + " renamed to replace old package " + pkgSetting.name; 7588 reportSettingsProblem(Log.WARN, msg); 7589 7590 // Make a note of it. 7591 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7592 mTransferedPackages.add(origPackage.name); 7593 } 7594 7595 // No longer need to retain this. 7596 pkgSetting.origPackage = null; 7597 } 7598 7599 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7600 // Make a note of it. 7601 mTransferedPackages.add(pkg.packageName); 7602 } 7603 7604 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7605 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7606 } 7607 7608 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7609 // Check all shared libraries and map to their actual file path. 7610 // We only do this here for apps not on a system dir, because those 7611 // are the only ones that can fail an install due to this. We 7612 // will take care of the system apps by updating all of their 7613 // library paths after the scan is done. 7614 updateSharedLibrariesLPw(pkg, null); 7615 } 7616 7617 if (mFoundPolicyFile) { 7618 SELinuxMMAC.assignSeinfoValue(pkg); 7619 } 7620 7621 pkg.applicationInfo.uid = pkgSetting.appId; 7622 pkg.mExtras = pkgSetting; 7623 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7624 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7625 // We just determined the app is signed correctly, so bring 7626 // over the latest parsed certs. 7627 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7628 } else { 7629 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7630 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7631 "Package " + pkg.packageName + " upgrade keys do not match the " 7632 + "previously installed version"); 7633 } else { 7634 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7635 String msg = "System package " + pkg.packageName 7636 + " signature changed; retaining data."; 7637 reportSettingsProblem(Log.WARN, msg); 7638 } 7639 } 7640 } else { 7641 try { 7642 verifySignaturesLP(pkgSetting, pkg); 7643 // We just determined the app is signed correctly, so bring 7644 // over the latest parsed certs. 7645 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7646 } catch (PackageManagerException e) { 7647 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7648 throw e; 7649 } 7650 // The signature has changed, but this package is in the system 7651 // image... let's recover! 7652 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7653 // However... if this package is part of a shared user, but it 7654 // doesn't match the signature of the shared user, let's fail. 7655 // What this means is that you can't change the signatures 7656 // associated with an overall shared user, which doesn't seem all 7657 // that unreasonable. 7658 if (pkgSetting.sharedUser != null) { 7659 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7660 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7661 throw new PackageManagerException( 7662 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7663 "Signature mismatch for shared user: " 7664 + pkgSetting.sharedUser); 7665 } 7666 } 7667 // File a report about this. 7668 String msg = "System package " + pkg.packageName 7669 + " signature changed; retaining data."; 7670 reportSettingsProblem(Log.WARN, msg); 7671 } 7672 } 7673 // Verify that this new package doesn't have any content providers 7674 // that conflict with existing packages. Only do this if the 7675 // package isn't already installed, since we don't want to break 7676 // things that are installed. 7677 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7678 final int N = pkg.providers.size(); 7679 int i; 7680 for (i=0; i<N; i++) { 7681 PackageParser.Provider p = pkg.providers.get(i); 7682 if (p.info.authority != null) { 7683 String names[] = p.info.authority.split(";"); 7684 for (int j = 0; j < names.length; j++) { 7685 if (mProvidersByAuthority.containsKey(names[j])) { 7686 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7687 final String otherPackageName = 7688 ((other != null && other.getComponentName() != null) ? 7689 other.getComponentName().getPackageName() : "?"); 7690 throw new PackageManagerException( 7691 INSTALL_FAILED_CONFLICTING_PROVIDER, 7692 "Can't install because provider name " + names[j] 7693 + " (in package " + pkg.applicationInfo.packageName 7694 + ") is already used by " + otherPackageName); 7695 } 7696 } 7697 } 7698 } 7699 } 7700 7701 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7702 // This package wants to adopt ownership of permissions from 7703 // another package. 7704 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7705 final String origName = pkg.mAdoptPermissions.get(i); 7706 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7707 if (orig != null) { 7708 if (verifyPackageUpdateLPr(orig, pkg)) { 7709 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7710 + pkg.packageName); 7711 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7712 } 7713 } 7714 } 7715 } 7716 } 7717 7718 final String pkgName = pkg.packageName; 7719 7720 final long scanFileTime = scanFile.lastModified(); 7721 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7722 pkg.applicationInfo.processName = fixProcessName( 7723 pkg.applicationInfo.packageName, 7724 pkg.applicationInfo.processName, 7725 pkg.applicationInfo.uid); 7726 7727 if (pkg != mPlatformPackage) { 7728 // Get all of our default paths setup 7729 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7730 } 7731 7732 final String path = scanFile.getPath(); 7733 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7734 7735 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7736 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7737 7738 // Some system apps still use directory structure for native libraries 7739 // in which case we might end up not detecting abi solely based on apk 7740 // structure. Try to detect abi based on directory structure. 7741 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7742 pkg.applicationInfo.primaryCpuAbi == null) { 7743 setBundledAppAbisAndRoots(pkg, pkgSetting); 7744 setNativeLibraryPaths(pkg); 7745 } 7746 7747 } else { 7748 if ((scanFlags & SCAN_MOVE) != 0) { 7749 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7750 // but we already have this packages package info in the PackageSetting. We just 7751 // use that and derive the native library path based on the new codepath. 7752 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7753 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7754 } 7755 7756 // Set native library paths again. For moves, the path will be updated based on the 7757 // ABIs we've determined above. For non-moves, the path will be updated based on the 7758 // ABIs we determined during compilation, but the path will depend on the final 7759 // package path (after the rename away from the stage path). 7760 setNativeLibraryPaths(pkg); 7761 } 7762 7763 // This is a special case for the "system" package, where the ABI is 7764 // dictated by the zygote configuration (and init.rc). We should keep track 7765 // of this ABI so that we can deal with "normal" applications that run under 7766 // the same UID correctly. 7767 if (mPlatformPackage == pkg) { 7768 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7769 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7770 } 7771 7772 // If there's a mismatch between the abi-override in the package setting 7773 // and the abiOverride specified for the install. Warn about this because we 7774 // would've already compiled the app without taking the package setting into 7775 // account. 7776 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7777 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7778 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7779 " for package " + pkg.packageName); 7780 } 7781 } 7782 7783 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7784 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7785 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7786 7787 // Copy the derived override back to the parsed package, so that we can 7788 // update the package settings accordingly. 7789 pkg.cpuAbiOverride = cpuAbiOverride; 7790 7791 if (DEBUG_ABI_SELECTION) { 7792 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7793 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7794 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7795 } 7796 7797 // Push the derived path down into PackageSettings so we know what to 7798 // clean up at uninstall time. 7799 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7800 7801 if (DEBUG_ABI_SELECTION) { 7802 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7803 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7804 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7805 } 7806 7807 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7808 // We don't do this here during boot because we can do it all 7809 // at once after scanning all existing packages. 7810 // 7811 // We also do this *before* we perform dexopt on this package, so that 7812 // we can avoid redundant dexopts, and also to make sure we've got the 7813 // code and package path correct. 7814 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7815 pkg, true /* boot complete */); 7816 } 7817 7818 if (mFactoryTest && pkg.requestedPermissions.contains( 7819 android.Manifest.permission.FACTORY_TEST)) { 7820 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7821 } 7822 7823 ArrayList<PackageParser.Package> clientLibPkgs = null; 7824 7825 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7826 if (nonMutatedPs != null) { 7827 synchronized (mPackages) { 7828 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 7829 } 7830 } 7831 return pkg; 7832 } 7833 7834 // Only privileged apps and updated privileged apps can add child packages. 7835 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 7836 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 7837 throw new PackageManagerException("Only privileged apps and updated " 7838 + "privileged apps can add child packages. Ignoring package " 7839 + pkg.packageName); 7840 } 7841 final int childCount = pkg.childPackages.size(); 7842 for (int i = 0; i < childCount; i++) { 7843 PackageParser.Package childPkg = pkg.childPackages.get(i); 7844 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 7845 childPkg.packageName)) { 7846 throw new PackageManagerException("Cannot override a child package of " 7847 + "another disabled system app. Ignoring package " + pkg.packageName); 7848 } 7849 } 7850 } 7851 7852 // writer 7853 synchronized (mPackages) { 7854 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7855 // Only system apps can add new shared libraries. 7856 if (pkg.libraryNames != null) { 7857 for (int i=0; i<pkg.libraryNames.size(); i++) { 7858 String name = pkg.libraryNames.get(i); 7859 boolean allowed = false; 7860 if (pkg.isUpdatedSystemApp()) { 7861 // New library entries can only be added through the 7862 // system image. This is important to get rid of a lot 7863 // of nasty edge cases: for example if we allowed a non- 7864 // system update of the app to add a library, then uninstalling 7865 // the update would make the library go away, and assumptions 7866 // we made such as through app install filtering would now 7867 // have allowed apps on the device which aren't compatible 7868 // with it. Better to just have the restriction here, be 7869 // conservative, and create many fewer cases that can negatively 7870 // impact the user experience. 7871 final PackageSetting sysPs = mSettings 7872 .getDisabledSystemPkgLPr(pkg.packageName); 7873 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7874 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7875 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7876 allowed = true; 7877 break; 7878 } 7879 } 7880 } 7881 } else { 7882 allowed = true; 7883 } 7884 if (allowed) { 7885 if (!mSharedLibraries.containsKey(name)) { 7886 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7887 } else if (!name.equals(pkg.packageName)) { 7888 Slog.w(TAG, "Package " + pkg.packageName + " library " 7889 + name + " already exists; skipping"); 7890 } 7891 } else { 7892 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7893 + name + " that is not declared on system image; skipping"); 7894 } 7895 } 7896 if ((scanFlags & SCAN_BOOTING) == 0) { 7897 // If we are not booting, we need to update any applications 7898 // that are clients of our shared library. If we are booting, 7899 // this will all be done once the scan is complete. 7900 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7901 } 7902 } 7903 } 7904 } 7905 7906 // Request the ActivityManager to kill the process(only for existing packages) 7907 // so that we do not end up in a confused state while the user is still using the older 7908 // version of the application while the new one gets installed. 7909 final boolean isReplacing = (scanFlags & SCAN_REPLACING) != 0; 7910 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 7911 if (killApp) { 7912 if (isReplacing) { 7913 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7914 7915 killApplication(pkg.applicationInfo.packageName, 7916 pkg.applicationInfo.uid, "replace pkg"); 7917 7918 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7919 } 7920 } 7921 7922 // Also need to kill any apps that are dependent on the library. 7923 if (clientLibPkgs != null) { 7924 for (int i=0; i<clientLibPkgs.size(); i++) { 7925 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7926 killApplication(clientPkg.applicationInfo.packageName, 7927 clientPkg.applicationInfo.uid, "update lib"); 7928 } 7929 } 7930 7931 // Make sure we're not adding any bogus keyset info 7932 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7933 ksms.assertScannedPackageValid(pkg); 7934 7935 // writer 7936 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7937 7938 boolean createIdmapFailed = false; 7939 synchronized (mPackages) { 7940 // We don't expect installation to fail beyond this point 7941 7942 // Add the new setting to mSettings 7943 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7944 // Add the new setting to mPackages 7945 mPackages.put(pkg.applicationInfo.packageName, pkg); 7946 // Make sure we don't accidentally delete its data. 7947 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7948 while (iter.hasNext()) { 7949 PackageCleanItem item = iter.next(); 7950 if (pkgName.equals(item.packageName)) { 7951 iter.remove(); 7952 } 7953 } 7954 7955 // Take care of first install / last update times. 7956 if (currentTime != 0) { 7957 if (pkgSetting.firstInstallTime == 0) { 7958 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7959 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7960 pkgSetting.lastUpdateTime = currentTime; 7961 } 7962 } else if (pkgSetting.firstInstallTime == 0) { 7963 // We need *something*. Take time time stamp of the file. 7964 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7965 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7966 if (scanFileTime != pkgSetting.timeStamp) { 7967 // A package on the system image has changed; consider this 7968 // to be an update. 7969 pkgSetting.lastUpdateTime = scanFileTime; 7970 } 7971 } 7972 7973 // Add the package's KeySets to the global KeySetManagerService 7974 ksms.addScannedPackageLPw(pkg); 7975 7976 int N = pkg.providers.size(); 7977 StringBuilder r = null; 7978 int i; 7979 for (i=0; i<N; i++) { 7980 PackageParser.Provider p = pkg.providers.get(i); 7981 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7982 p.info.processName, pkg.applicationInfo.uid); 7983 mProviders.addProvider(p); 7984 p.syncable = p.info.isSyncable; 7985 if (p.info.authority != null) { 7986 String names[] = p.info.authority.split(";"); 7987 p.info.authority = null; 7988 for (int j = 0; j < names.length; j++) { 7989 if (j == 1 && p.syncable) { 7990 // We only want the first authority for a provider to possibly be 7991 // syncable, so if we already added this provider using a different 7992 // authority clear the syncable flag. We copy the provider before 7993 // changing it because the mProviders object contains a reference 7994 // to a provider that we don't want to change. 7995 // Only do this for the second authority since the resulting provider 7996 // object can be the same for all future authorities for this provider. 7997 p = new PackageParser.Provider(p); 7998 p.syncable = false; 7999 } 8000 if (!mProvidersByAuthority.containsKey(names[j])) { 8001 mProvidersByAuthority.put(names[j], p); 8002 if (p.info.authority == null) { 8003 p.info.authority = names[j]; 8004 } else { 8005 p.info.authority = p.info.authority + ";" + names[j]; 8006 } 8007 if (DEBUG_PACKAGE_SCANNING) { 8008 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 8009 Log.d(TAG, "Registered content provider: " + names[j] 8010 + ", className = " + p.info.name + ", isSyncable = " 8011 + p.info.isSyncable); 8012 } 8013 } else { 8014 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8015 Slog.w(TAG, "Skipping provider name " + names[j] + 8016 " (in package " + pkg.applicationInfo.packageName + 8017 "): name already used by " 8018 + ((other != null && other.getComponentName() != null) 8019 ? other.getComponentName().getPackageName() : "?")); 8020 } 8021 } 8022 } 8023 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8024 if (r == null) { 8025 r = new StringBuilder(256); 8026 } else { 8027 r.append(' '); 8028 } 8029 r.append(p.info.name); 8030 } 8031 } 8032 if (r != null) { 8033 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8034 } 8035 8036 N = pkg.services.size(); 8037 r = null; 8038 for (i=0; i<N; i++) { 8039 PackageParser.Service s = pkg.services.get(i); 8040 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8041 s.info.processName, pkg.applicationInfo.uid); 8042 mServices.addService(s); 8043 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8044 if (r == null) { 8045 r = new StringBuilder(256); 8046 } else { 8047 r.append(' '); 8048 } 8049 r.append(s.info.name); 8050 } 8051 } 8052 if (r != null) { 8053 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8054 } 8055 8056 N = pkg.receivers.size(); 8057 r = null; 8058 for (i=0; i<N; i++) { 8059 PackageParser.Activity a = pkg.receivers.get(i); 8060 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8061 a.info.processName, pkg.applicationInfo.uid); 8062 mReceivers.addActivity(a, "receiver"); 8063 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8064 if (r == null) { 8065 r = new StringBuilder(256); 8066 } else { 8067 r.append(' '); 8068 } 8069 r.append(a.info.name); 8070 } 8071 } 8072 if (r != null) { 8073 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8074 } 8075 8076 N = pkg.activities.size(); 8077 r = null; 8078 for (i=0; i<N; i++) { 8079 PackageParser.Activity a = pkg.activities.get(i); 8080 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8081 a.info.processName, pkg.applicationInfo.uid); 8082 mActivities.addActivity(a, "activity"); 8083 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8084 if (r == null) { 8085 r = new StringBuilder(256); 8086 } else { 8087 r.append(' '); 8088 } 8089 r.append(a.info.name); 8090 } 8091 } 8092 if (r != null) { 8093 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8094 } 8095 8096 N = pkg.permissionGroups.size(); 8097 r = null; 8098 for (i=0; i<N; i++) { 8099 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8100 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8101 if (cur == null) { 8102 mPermissionGroups.put(pg.info.name, pg); 8103 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8104 if (r == null) { 8105 r = new StringBuilder(256); 8106 } else { 8107 r.append(' '); 8108 } 8109 r.append(pg.info.name); 8110 } 8111 } else { 8112 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8113 + pg.info.packageName + " ignored: original from " 8114 + cur.info.packageName); 8115 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8116 if (r == null) { 8117 r = new StringBuilder(256); 8118 } else { 8119 r.append(' '); 8120 } 8121 r.append("DUP:"); 8122 r.append(pg.info.name); 8123 } 8124 } 8125 } 8126 if (r != null) { 8127 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8128 } 8129 8130 N = pkg.permissions.size(); 8131 r = null; 8132 for (i=0; i<N; i++) { 8133 PackageParser.Permission p = pkg.permissions.get(i); 8134 8135 // Assume by default that we did not install this permission into the system. 8136 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8137 8138 // Now that permission groups have a special meaning, we ignore permission 8139 // groups for legacy apps to prevent unexpected behavior. In particular, 8140 // permissions for one app being granted to someone just becase they happen 8141 // to be in a group defined by another app (before this had no implications). 8142 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8143 p.group = mPermissionGroups.get(p.info.group); 8144 // Warn for a permission in an unknown group. 8145 if (p.info.group != null && p.group == null) { 8146 Slog.w(TAG, "Permission " + p.info.name + " from package " 8147 + p.info.packageName + " in an unknown group " + p.info.group); 8148 } 8149 } 8150 8151 ArrayMap<String, BasePermission> permissionMap = 8152 p.tree ? mSettings.mPermissionTrees 8153 : mSettings.mPermissions; 8154 BasePermission bp = permissionMap.get(p.info.name); 8155 8156 // Allow system apps to redefine non-system permissions 8157 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8158 final boolean currentOwnerIsSystem = (bp.perm != null 8159 && isSystemApp(bp.perm.owner)); 8160 if (isSystemApp(p.owner)) { 8161 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8162 // It's a built-in permission and no owner, take ownership now 8163 bp.packageSetting = pkgSetting; 8164 bp.perm = p; 8165 bp.uid = pkg.applicationInfo.uid; 8166 bp.sourcePackage = p.info.packageName; 8167 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8168 } else if (!currentOwnerIsSystem) { 8169 String msg = "New decl " + p.owner + " of permission " 8170 + p.info.name + " is system; overriding " + bp.sourcePackage; 8171 reportSettingsProblem(Log.WARN, msg); 8172 bp = null; 8173 } 8174 } 8175 } 8176 8177 if (bp == null) { 8178 bp = new BasePermission(p.info.name, p.info.packageName, 8179 BasePermission.TYPE_NORMAL); 8180 permissionMap.put(p.info.name, bp); 8181 } 8182 8183 if (bp.perm == null) { 8184 if (bp.sourcePackage == null 8185 || bp.sourcePackage.equals(p.info.packageName)) { 8186 BasePermission tree = findPermissionTreeLP(p.info.name); 8187 if (tree == null 8188 || tree.sourcePackage.equals(p.info.packageName)) { 8189 bp.packageSetting = pkgSetting; 8190 bp.perm = p; 8191 bp.uid = pkg.applicationInfo.uid; 8192 bp.sourcePackage = p.info.packageName; 8193 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8194 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8195 if (r == null) { 8196 r = new StringBuilder(256); 8197 } else { 8198 r.append(' '); 8199 } 8200 r.append(p.info.name); 8201 } 8202 } else { 8203 Slog.w(TAG, "Permission " + p.info.name + " from package " 8204 + p.info.packageName + " ignored: base tree " 8205 + tree.name + " is from package " 8206 + tree.sourcePackage); 8207 } 8208 } else { 8209 Slog.w(TAG, "Permission " + p.info.name + " from package " 8210 + p.info.packageName + " ignored: original from " 8211 + bp.sourcePackage); 8212 } 8213 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8214 if (r == null) { 8215 r = new StringBuilder(256); 8216 } else { 8217 r.append(' '); 8218 } 8219 r.append("DUP:"); 8220 r.append(p.info.name); 8221 } 8222 if (bp.perm == p) { 8223 bp.protectionLevel = p.info.protectionLevel; 8224 } 8225 } 8226 8227 if (r != null) { 8228 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8229 } 8230 8231 N = pkg.instrumentation.size(); 8232 r = null; 8233 for (i=0; i<N; i++) { 8234 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8235 a.info.packageName = pkg.applicationInfo.packageName; 8236 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8237 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8238 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8239 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8240 a.info.dataDir = pkg.applicationInfo.dataDir; 8241 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 8242 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 8243 8244 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8245 // need other information about the application, like the ABI and what not ? 8246 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8247 mInstrumentation.put(a.getComponentName(), a); 8248 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8249 if (r == null) { 8250 r = new StringBuilder(256); 8251 } else { 8252 r.append(' '); 8253 } 8254 r.append(a.info.name); 8255 } 8256 } 8257 if (r != null) { 8258 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8259 } 8260 8261 if (pkg.protectedBroadcasts != null) { 8262 N = pkg.protectedBroadcasts.size(); 8263 for (i=0; i<N; i++) { 8264 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8265 } 8266 } 8267 8268 pkgSetting.setTimeStamp(scanFileTime); 8269 8270 // Create idmap files for pairs of (packages, overlay packages). 8271 // Note: "android", ie framework-res.apk, is handled by native layers. 8272 if (pkg.mOverlayTarget != null) { 8273 // This is an overlay package. 8274 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8275 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8276 mOverlays.put(pkg.mOverlayTarget, 8277 new ArrayMap<String, PackageParser.Package>()); 8278 } 8279 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8280 map.put(pkg.packageName, pkg); 8281 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8282 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8283 createIdmapFailed = true; 8284 } 8285 } 8286 } else if (mOverlays.containsKey(pkg.packageName) && 8287 !pkg.packageName.equals("android")) { 8288 // This is a regular package, with one or more known overlay packages. 8289 createIdmapsForPackageLI(pkg); 8290 } 8291 } 8292 8293 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8294 8295 if (createIdmapFailed) { 8296 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8297 "scanPackageLI failed to createIdmap"); 8298 } 8299 return pkg; 8300 } 8301 8302 /** 8303 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8304 * is derived purely on the basis of the contents of {@code scanFile} and 8305 * {@code cpuAbiOverride}. 8306 * 8307 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8308 */ 8309 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8310 String cpuAbiOverride, boolean extractLibs) 8311 throws PackageManagerException { 8312 // TODO: We can probably be smarter about this stuff. For installed apps, 8313 // we can calculate this information at install time once and for all. For 8314 // system apps, we can probably assume that this information doesn't change 8315 // after the first boot scan. As things stand, we do lots of unnecessary work. 8316 8317 // Give ourselves some initial paths; we'll come back for another 8318 // pass once we've determined ABI below. 8319 setNativeLibraryPaths(pkg); 8320 8321 // We would never need to extract libs for forward-locked and external packages, 8322 // since the container service will do it for us. We shouldn't attempt to 8323 // extract libs from system app when it was not updated. 8324 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8325 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8326 extractLibs = false; 8327 } 8328 8329 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8330 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8331 8332 NativeLibraryHelper.Handle handle = null; 8333 try { 8334 handle = NativeLibraryHelper.Handle.create(pkg); 8335 // TODO(multiArch): This can be null for apps that didn't go through the 8336 // usual installation process. We can calculate it again, like we 8337 // do during install time. 8338 // 8339 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8340 // unnecessary. 8341 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8342 8343 // Null out the abis so that they can be recalculated. 8344 pkg.applicationInfo.primaryCpuAbi = null; 8345 pkg.applicationInfo.secondaryCpuAbi = null; 8346 if (isMultiArch(pkg.applicationInfo)) { 8347 // Warn if we've set an abiOverride for multi-lib packages.. 8348 // By definition, we need to copy both 32 and 64 bit libraries for 8349 // such packages. 8350 if (pkg.cpuAbiOverride != null 8351 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8352 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8353 } 8354 8355 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8356 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8357 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8358 if (extractLibs) { 8359 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8360 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8361 useIsaSpecificSubdirs); 8362 } else { 8363 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8364 } 8365 } 8366 8367 maybeThrowExceptionForMultiArchCopy( 8368 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8369 8370 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8371 if (extractLibs) { 8372 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8373 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8374 useIsaSpecificSubdirs); 8375 } else { 8376 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8377 } 8378 } 8379 8380 maybeThrowExceptionForMultiArchCopy( 8381 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8382 8383 if (abi64 >= 0) { 8384 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8385 } 8386 8387 if (abi32 >= 0) { 8388 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8389 if (abi64 >= 0) { 8390 if (cpuAbiOverride == null && pkg.use32bitAbi) { 8391 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8392 pkg.applicationInfo.primaryCpuAbi = abi; 8393 } else { 8394 pkg.applicationInfo.secondaryCpuAbi = abi; 8395 } 8396 } else { 8397 pkg.applicationInfo.primaryCpuAbi = abi; 8398 } 8399 } 8400 8401 } else { 8402 String[] abiList = (cpuAbiOverride != null) ? 8403 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8404 8405 // Enable gross and lame hacks for apps that are built with old 8406 // SDK tools. We must scan their APKs for renderscript bitcode and 8407 // not launch them if it's present. Don't bother checking on devices 8408 // that don't have 64 bit support. 8409 boolean needsRenderScriptOverride = false; 8410 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8411 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8412 abiList = Build.SUPPORTED_32_BIT_ABIS; 8413 needsRenderScriptOverride = true; 8414 } 8415 8416 final int copyRet; 8417 if (extractLibs) { 8418 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8419 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8420 } else { 8421 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8422 } 8423 8424 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8425 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8426 "Error unpackaging native libs for app, errorCode=" + copyRet); 8427 } 8428 8429 if (copyRet >= 0) { 8430 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8431 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8432 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8433 } else if (needsRenderScriptOverride) { 8434 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8435 } 8436 } 8437 } catch (IOException ioe) { 8438 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8439 } finally { 8440 IoUtils.closeQuietly(handle); 8441 } 8442 8443 // Now that we've calculated the ABIs and determined if it's an internal app, 8444 // we will go ahead and populate the nativeLibraryPath. 8445 setNativeLibraryPaths(pkg); 8446 } 8447 8448 /** 8449 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8450 * i.e, so that all packages can be run inside a single process if required. 8451 * 8452 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8453 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8454 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8455 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8456 * updating a package that belongs to a shared user. 8457 * 8458 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8459 * adds unnecessary complexity. 8460 */ 8461 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8462 PackageParser.Package scannedPackage, boolean bootComplete) { 8463 String requiredInstructionSet = null; 8464 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8465 requiredInstructionSet = VMRuntime.getInstructionSet( 8466 scannedPackage.applicationInfo.primaryCpuAbi); 8467 } 8468 8469 PackageSetting requirer = null; 8470 for (PackageSetting ps : packagesForUser) { 8471 // If packagesForUser contains scannedPackage, we skip it. This will happen 8472 // when scannedPackage is an update of an existing package. Without this check, 8473 // we will never be able to change the ABI of any package belonging to a shared 8474 // user, even if it's compatible with other packages. 8475 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8476 if (ps.primaryCpuAbiString == null) { 8477 continue; 8478 } 8479 8480 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8481 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8482 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8483 // this but there's not much we can do. 8484 String errorMessage = "Instruction set mismatch, " 8485 + ((requirer == null) ? "[caller]" : requirer) 8486 + " requires " + requiredInstructionSet + " whereas " + ps 8487 + " requires " + instructionSet; 8488 Slog.w(TAG, errorMessage); 8489 } 8490 8491 if (requiredInstructionSet == null) { 8492 requiredInstructionSet = instructionSet; 8493 requirer = ps; 8494 } 8495 } 8496 } 8497 8498 if (requiredInstructionSet != null) { 8499 String adjustedAbi; 8500 if (requirer != null) { 8501 // requirer != null implies that either scannedPackage was null or that scannedPackage 8502 // did not require an ABI, in which case we have to adjust scannedPackage to match 8503 // the ABI of the set (which is the same as requirer's ABI) 8504 adjustedAbi = requirer.primaryCpuAbiString; 8505 if (scannedPackage != null) { 8506 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8507 } 8508 } else { 8509 // requirer == null implies that we're updating all ABIs in the set to 8510 // match scannedPackage. 8511 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8512 } 8513 8514 for (PackageSetting ps : packagesForUser) { 8515 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8516 if (ps.primaryCpuAbiString != null) { 8517 continue; 8518 } 8519 8520 ps.primaryCpuAbiString = adjustedAbi; 8521 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8522 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8523 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8524 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8525 + " (requirer=" 8526 + (requirer == null ? "null" : requirer.pkg.packageName) 8527 + ", scannedPackage=" 8528 + (scannedPackage != null ? scannedPackage.packageName : "null") 8529 + ")"); 8530 try { 8531 mInstaller.rmdex(ps.codePathString, 8532 getDexCodeInstructionSet(getPreferredInstructionSet())); 8533 } catch (InstallerException ignored) { 8534 } 8535 } 8536 } 8537 } 8538 } 8539 } 8540 8541 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8542 synchronized (mPackages) { 8543 mResolverReplaced = true; 8544 // Set up information for custom user intent resolution activity. 8545 mResolveActivity.applicationInfo = pkg.applicationInfo; 8546 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8547 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8548 mResolveActivity.processName = pkg.applicationInfo.packageName; 8549 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8550 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8551 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8552 mResolveActivity.theme = 0; 8553 mResolveActivity.exported = true; 8554 mResolveActivity.enabled = true; 8555 mResolveInfo.activityInfo = mResolveActivity; 8556 mResolveInfo.priority = 0; 8557 mResolveInfo.preferredOrder = 0; 8558 mResolveInfo.match = 0; 8559 mResolveComponentName = mCustomResolverComponentName; 8560 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8561 mResolveComponentName); 8562 } 8563 } 8564 8565 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8566 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8567 8568 // Set up information for ephemeral installer activity 8569 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8570 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8571 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8572 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8573 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8574 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8575 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8576 mEphemeralInstallerActivity.theme = 0; 8577 mEphemeralInstallerActivity.exported = true; 8578 mEphemeralInstallerActivity.enabled = true; 8579 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8580 mEphemeralInstallerInfo.priority = 0; 8581 mEphemeralInstallerInfo.preferredOrder = 0; 8582 mEphemeralInstallerInfo.match = 0; 8583 8584 if (DEBUG_EPHEMERAL) { 8585 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8586 } 8587 } 8588 8589 private static String calculateBundledApkRoot(final String codePathString) { 8590 final File codePath = new File(codePathString); 8591 final File codeRoot; 8592 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8593 codeRoot = Environment.getRootDirectory(); 8594 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8595 codeRoot = Environment.getOemDirectory(); 8596 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8597 codeRoot = Environment.getVendorDirectory(); 8598 } else { 8599 // Unrecognized code path; take its top real segment as the apk root: 8600 // e.g. /something/app/blah.apk => /something 8601 try { 8602 File f = codePath.getCanonicalFile(); 8603 File parent = f.getParentFile(); // non-null because codePath is a file 8604 File tmp; 8605 while ((tmp = parent.getParentFile()) != null) { 8606 f = parent; 8607 parent = tmp; 8608 } 8609 codeRoot = f; 8610 Slog.w(TAG, "Unrecognized code path " 8611 + codePath + " - using " + codeRoot); 8612 } catch (IOException e) { 8613 // Can't canonicalize the code path -- shenanigans? 8614 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8615 return Environment.getRootDirectory().getPath(); 8616 } 8617 } 8618 return codeRoot.getPath(); 8619 } 8620 8621 /** 8622 * Derive and set the location of native libraries for the given package, 8623 * which varies depending on where and how the package was installed. 8624 */ 8625 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8626 final ApplicationInfo info = pkg.applicationInfo; 8627 final String codePath = pkg.codePath; 8628 final File codeFile = new File(codePath); 8629 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8630 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8631 8632 info.nativeLibraryRootDir = null; 8633 info.nativeLibraryRootRequiresIsa = false; 8634 info.nativeLibraryDir = null; 8635 info.secondaryNativeLibraryDir = null; 8636 8637 if (isApkFile(codeFile)) { 8638 // Monolithic install 8639 if (bundledApp) { 8640 // If "/system/lib64/apkname" exists, assume that is the per-package 8641 // native library directory to use; otherwise use "/system/lib/apkname". 8642 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8643 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8644 getPrimaryInstructionSet(info)); 8645 8646 // This is a bundled system app so choose the path based on the ABI. 8647 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8648 // is just the default path. 8649 final String apkName = deriveCodePathName(codePath); 8650 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8651 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8652 apkName).getAbsolutePath(); 8653 8654 if (info.secondaryCpuAbi != null) { 8655 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8656 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8657 secondaryLibDir, apkName).getAbsolutePath(); 8658 } 8659 } else if (asecApp) { 8660 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8661 .getAbsolutePath(); 8662 } else { 8663 final String apkName = deriveCodePathName(codePath); 8664 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8665 .getAbsolutePath(); 8666 } 8667 8668 info.nativeLibraryRootRequiresIsa = false; 8669 info.nativeLibraryDir = info.nativeLibraryRootDir; 8670 } else { 8671 // Cluster install 8672 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8673 info.nativeLibraryRootRequiresIsa = true; 8674 8675 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8676 getPrimaryInstructionSet(info)).getAbsolutePath(); 8677 8678 if (info.secondaryCpuAbi != null) { 8679 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8680 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8681 } 8682 } 8683 } 8684 8685 /** 8686 * Calculate the abis and roots for a bundled app. These can uniquely 8687 * be determined from the contents of the system partition, i.e whether 8688 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8689 * of this information, and instead assume that the system was built 8690 * sensibly. 8691 */ 8692 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8693 PackageSetting pkgSetting) { 8694 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8695 8696 // If "/system/lib64/apkname" exists, assume that is the per-package 8697 // native library directory to use; otherwise use "/system/lib/apkname". 8698 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8699 setBundledAppAbi(pkg, apkRoot, apkName); 8700 // pkgSetting might be null during rescan following uninstall of updates 8701 // to a bundled app, so accommodate that possibility. The settings in 8702 // that case will be established later from the parsed package. 8703 // 8704 // If the settings aren't null, sync them up with what we've just derived. 8705 // note that apkRoot isn't stored in the package settings. 8706 if (pkgSetting != null) { 8707 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8708 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8709 } 8710 } 8711 8712 /** 8713 * Deduces the ABI of a bundled app and sets the relevant fields on the 8714 * parsed pkg object. 8715 * 8716 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8717 * under which system libraries are installed. 8718 * @param apkName the name of the installed package. 8719 */ 8720 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8721 final File codeFile = new File(pkg.codePath); 8722 8723 final boolean has64BitLibs; 8724 final boolean has32BitLibs; 8725 if (isApkFile(codeFile)) { 8726 // Monolithic install 8727 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8728 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8729 } else { 8730 // Cluster install 8731 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8732 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8733 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8734 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8735 has64BitLibs = (new File(rootDir, isa)).exists(); 8736 } else { 8737 has64BitLibs = false; 8738 } 8739 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8740 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8741 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8742 has32BitLibs = (new File(rootDir, isa)).exists(); 8743 } else { 8744 has32BitLibs = false; 8745 } 8746 } 8747 8748 if (has64BitLibs && !has32BitLibs) { 8749 // The package has 64 bit libs, but not 32 bit libs. Its primary 8750 // ABI should be 64 bit. We can safely assume here that the bundled 8751 // native libraries correspond to the most preferred ABI in the list. 8752 8753 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8754 pkg.applicationInfo.secondaryCpuAbi = null; 8755 } else if (has32BitLibs && !has64BitLibs) { 8756 // The package has 32 bit libs but not 64 bit libs. Its primary 8757 // ABI should be 32 bit. 8758 8759 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8760 pkg.applicationInfo.secondaryCpuAbi = null; 8761 } else if (has32BitLibs && has64BitLibs) { 8762 // The application has both 64 and 32 bit bundled libraries. We check 8763 // here that the app declares multiArch support, and warn if it doesn't. 8764 // 8765 // We will be lenient here and record both ABIs. The primary will be the 8766 // ABI that's higher on the list, i.e, a device that's configured to prefer 8767 // 64 bit apps will see a 64 bit primary ABI, 8768 8769 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8770 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8771 } 8772 8773 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8774 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8775 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8776 } else { 8777 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8778 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8779 } 8780 } else { 8781 pkg.applicationInfo.primaryCpuAbi = null; 8782 pkg.applicationInfo.secondaryCpuAbi = null; 8783 } 8784 } 8785 8786 private void killPackage(PackageParser.Package pkg, String reason) { 8787 // Kill the parent package 8788 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8789 // Kill the child packages 8790 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8791 for (int i = 0; i < childCount; i++) { 8792 PackageParser.Package childPkg = pkg.childPackages.get(i); 8793 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8794 } 8795 } 8796 8797 private void killApplication(String pkgName, int appId, String reason) { 8798 // Request the ActivityManager to kill the process(only for existing packages) 8799 // so that we do not end up in a confused state while the user is still using the older 8800 // version of the application while the new one gets installed. 8801 IActivityManager am = ActivityManagerNative.getDefault(); 8802 if (am != null) { 8803 try { 8804 am.killApplicationWithAppId(pkgName, appId, reason); 8805 } catch (RemoteException e) { 8806 } 8807 } 8808 } 8809 8810 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 8811 // Remove the parent package setting 8812 PackageSetting ps = (PackageSetting) pkg.mExtras; 8813 if (ps != null) { 8814 removePackageLI(ps, chatty); 8815 } 8816 // Remove the child package setting 8817 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8818 for (int i = 0; i < childCount; i++) { 8819 PackageParser.Package childPkg = pkg.childPackages.get(i); 8820 ps = (PackageSetting) childPkg.mExtras; 8821 if (ps != null) { 8822 removePackageLI(ps, chatty); 8823 } 8824 } 8825 } 8826 8827 void removePackageLI(PackageSetting ps, boolean chatty) { 8828 if (DEBUG_INSTALL) { 8829 if (chatty) 8830 Log.d(TAG, "Removing package " + ps.name); 8831 } 8832 8833 // writer 8834 synchronized (mPackages) { 8835 mPackages.remove(ps.name); 8836 final PackageParser.Package pkg = ps.pkg; 8837 if (pkg != null) { 8838 cleanPackageDataStructuresLILPw(pkg, chatty); 8839 } 8840 } 8841 } 8842 8843 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8844 if (DEBUG_INSTALL) { 8845 if (chatty) 8846 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8847 } 8848 8849 // writer 8850 synchronized (mPackages) { 8851 // Remove the parent package 8852 mPackages.remove(pkg.applicationInfo.packageName); 8853 cleanPackageDataStructuresLILPw(pkg, chatty); 8854 8855 // Remove the child packages 8856 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8857 for (int i = 0; i < childCount; i++) { 8858 PackageParser.Package childPkg = pkg.childPackages.get(i); 8859 mPackages.remove(childPkg.applicationInfo.packageName); 8860 cleanPackageDataStructuresLILPw(childPkg, chatty); 8861 } 8862 } 8863 } 8864 8865 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8866 int N = pkg.providers.size(); 8867 StringBuilder r = null; 8868 int i; 8869 for (i=0; i<N; i++) { 8870 PackageParser.Provider p = pkg.providers.get(i); 8871 mProviders.removeProvider(p); 8872 if (p.info.authority == null) { 8873 8874 /* There was another ContentProvider with this authority when 8875 * this app was installed so this authority is null, 8876 * Ignore it as we don't have to unregister the provider. 8877 */ 8878 continue; 8879 } 8880 String names[] = p.info.authority.split(";"); 8881 for (int j = 0; j < names.length; j++) { 8882 if (mProvidersByAuthority.get(names[j]) == p) { 8883 mProvidersByAuthority.remove(names[j]); 8884 if (DEBUG_REMOVE) { 8885 if (chatty) 8886 Log.d(TAG, "Unregistered content provider: " + names[j] 8887 + ", className = " + p.info.name + ", isSyncable = " 8888 + p.info.isSyncable); 8889 } 8890 } 8891 } 8892 if (DEBUG_REMOVE && chatty) { 8893 if (r == null) { 8894 r = new StringBuilder(256); 8895 } else { 8896 r.append(' '); 8897 } 8898 r.append(p.info.name); 8899 } 8900 } 8901 if (r != null) { 8902 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8903 } 8904 8905 N = pkg.services.size(); 8906 r = null; 8907 for (i=0; i<N; i++) { 8908 PackageParser.Service s = pkg.services.get(i); 8909 mServices.removeService(s); 8910 if (chatty) { 8911 if (r == null) { 8912 r = new StringBuilder(256); 8913 } else { 8914 r.append(' '); 8915 } 8916 r.append(s.info.name); 8917 } 8918 } 8919 if (r != null) { 8920 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8921 } 8922 8923 N = pkg.receivers.size(); 8924 r = null; 8925 for (i=0; i<N; i++) { 8926 PackageParser.Activity a = pkg.receivers.get(i); 8927 mReceivers.removeActivity(a, "receiver"); 8928 if (DEBUG_REMOVE && chatty) { 8929 if (r == null) { 8930 r = new StringBuilder(256); 8931 } else { 8932 r.append(' '); 8933 } 8934 r.append(a.info.name); 8935 } 8936 } 8937 if (r != null) { 8938 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8939 } 8940 8941 N = pkg.activities.size(); 8942 r = null; 8943 for (i=0; i<N; i++) { 8944 PackageParser.Activity a = pkg.activities.get(i); 8945 mActivities.removeActivity(a, "activity"); 8946 if (DEBUG_REMOVE && chatty) { 8947 if (r == null) { 8948 r = new StringBuilder(256); 8949 } else { 8950 r.append(' '); 8951 } 8952 r.append(a.info.name); 8953 } 8954 } 8955 if (r != null) { 8956 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8957 } 8958 8959 N = pkg.permissions.size(); 8960 r = null; 8961 for (i=0; i<N; i++) { 8962 PackageParser.Permission p = pkg.permissions.get(i); 8963 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8964 if (bp == null) { 8965 bp = mSettings.mPermissionTrees.get(p.info.name); 8966 } 8967 if (bp != null && bp.perm == p) { 8968 bp.perm = null; 8969 if (DEBUG_REMOVE && chatty) { 8970 if (r == null) { 8971 r = new StringBuilder(256); 8972 } else { 8973 r.append(' '); 8974 } 8975 r.append(p.info.name); 8976 } 8977 } 8978 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8979 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 8980 if (appOpPkgs != null) { 8981 appOpPkgs.remove(pkg.packageName); 8982 } 8983 } 8984 } 8985 if (r != null) { 8986 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8987 } 8988 8989 N = pkg.requestedPermissions.size(); 8990 r = null; 8991 for (i=0; i<N; i++) { 8992 String perm = pkg.requestedPermissions.get(i); 8993 BasePermission bp = mSettings.mPermissions.get(perm); 8994 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8995 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 8996 if (appOpPkgs != null) { 8997 appOpPkgs.remove(pkg.packageName); 8998 if (appOpPkgs.isEmpty()) { 8999 mAppOpPermissionPackages.remove(perm); 9000 } 9001 } 9002 } 9003 } 9004 if (r != null) { 9005 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9006 } 9007 9008 N = pkg.instrumentation.size(); 9009 r = null; 9010 for (i=0; i<N; i++) { 9011 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9012 mInstrumentation.remove(a.getComponentName()); 9013 if (DEBUG_REMOVE && chatty) { 9014 if (r == null) { 9015 r = new StringBuilder(256); 9016 } else { 9017 r.append(' '); 9018 } 9019 r.append(a.info.name); 9020 } 9021 } 9022 if (r != null) { 9023 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9024 } 9025 9026 r = null; 9027 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9028 // Only system apps can hold shared libraries. 9029 if (pkg.libraryNames != null) { 9030 for (i=0; i<pkg.libraryNames.size(); i++) { 9031 String name = pkg.libraryNames.get(i); 9032 SharedLibraryEntry cur = mSharedLibraries.get(name); 9033 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9034 mSharedLibraries.remove(name); 9035 if (DEBUG_REMOVE && chatty) { 9036 if (r == null) { 9037 r = new StringBuilder(256); 9038 } else { 9039 r.append(' '); 9040 } 9041 r.append(name); 9042 } 9043 } 9044 } 9045 } 9046 } 9047 if (r != null) { 9048 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9049 } 9050 } 9051 9052 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9053 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9054 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9055 return true; 9056 } 9057 } 9058 return false; 9059 } 9060 9061 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9062 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9063 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9064 9065 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9066 // Update the parent permissions 9067 updatePermissionsLPw(pkg.packageName, pkg, flags); 9068 // Update the child permissions 9069 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9070 for (int i = 0; i < childCount; i++) { 9071 PackageParser.Package childPkg = pkg.childPackages.get(i); 9072 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9073 } 9074 } 9075 9076 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9077 int flags) { 9078 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9079 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9080 } 9081 9082 private void updatePermissionsLPw(String changingPkg, 9083 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9084 // Make sure there are no dangling permission trees. 9085 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9086 while (it.hasNext()) { 9087 final BasePermission bp = it.next(); 9088 if (bp.packageSetting == null) { 9089 // We may not yet have parsed the package, so just see if 9090 // we still know about its settings. 9091 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9092 } 9093 if (bp.packageSetting == null) { 9094 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9095 + " from package " + bp.sourcePackage); 9096 it.remove(); 9097 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9098 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9099 Slog.i(TAG, "Removing old permission tree: " + bp.name 9100 + " from package " + bp.sourcePackage); 9101 flags |= UPDATE_PERMISSIONS_ALL; 9102 it.remove(); 9103 } 9104 } 9105 } 9106 9107 // Make sure all dynamic permissions have been assigned to a package, 9108 // and make sure there are no dangling permissions. 9109 it = mSettings.mPermissions.values().iterator(); 9110 while (it.hasNext()) { 9111 final BasePermission bp = it.next(); 9112 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9113 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9114 + bp.name + " pkg=" + bp.sourcePackage 9115 + " info=" + bp.pendingInfo); 9116 if (bp.packageSetting == null && bp.pendingInfo != null) { 9117 final BasePermission tree = findPermissionTreeLP(bp.name); 9118 if (tree != null && tree.perm != null) { 9119 bp.packageSetting = tree.packageSetting; 9120 bp.perm = new PackageParser.Permission(tree.perm.owner, 9121 new PermissionInfo(bp.pendingInfo)); 9122 bp.perm.info.packageName = tree.perm.info.packageName; 9123 bp.perm.info.name = bp.name; 9124 bp.uid = tree.uid; 9125 } 9126 } 9127 } 9128 if (bp.packageSetting == null) { 9129 // We may not yet have parsed the package, so just see if 9130 // we still know about its settings. 9131 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9132 } 9133 if (bp.packageSetting == null) { 9134 Slog.w(TAG, "Removing dangling permission: " + bp.name 9135 + " from package " + bp.sourcePackage); 9136 it.remove(); 9137 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9138 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9139 Slog.i(TAG, "Removing old permission: " + bp.name 9140 + " from package " + bp.sourcePackage); 9141 flags |= UPDATE_PERMISSIONS_ALL; 9142 it.remove(); 9143 } 9144 } 9145 } 9146 9147 // Now update the permissions for all packages, in particular 9148 // replace the granted permissions of the system packages. 9149 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9150 for (PackageParser.Package pkg : mPackages.values()) { 9151 if (pkg != pkgInfo) { 9152 // Only replace for packages on requested volume 9153 final String volumeUuid = getVolumeUuidForPackage(pkg); 9154 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9155 && Objects.equals(replaceVolumeUuid, volumeUuid); 9156 grantPermissionsLPw(pkg, replace, changingPkg); 9157 } 9158 } 9159 } 9160 9161 if (pkgInfo != null) { 9162 // Only replace for packages on requested volume 9163 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9164 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9165 && Objects.equals(replaceVolumeUuid, volumeUuid); 9166 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9167 } 9168 } 9169 9170 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9171 String packageOfInterest) { 9172 // IMPORTANT: There are two types of permissions: install and runtime. 9173 // Install time permissions are granted when the app is installed to 9174 // all device users and users added in the future. Runtime permissions 9175 // are granted at runtime explicitly to specific users. Normal and signature 9176 // protected permissions are install time permissions. Dangerous permissions 9177 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9178 // otherwise they are runtime permissions. This function does not manage 9179 // runtime permissions except for the case an app targeting Lollipop MR1 9180 // being upgraded to target a newer SDK, in which case dangerous permissions 9181 // are transformed from install time to runtime ones. 9182 9183 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9184 if (ps == null) { 9185 return; 9186 } 9187 9188 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9189 9190 PermissionsState permissionsState = ps.getPermissionsState(); 9191 PermissionsState origPermissions = permissionsState; 9192 9193 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9194 9195 boolean runtimePermissionsRevoked = false; 9196 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9197 9198 boolean changedInstallPermission = false; 9199 9200 if (replace) { 9201 ps.installPermissionsFixed = false; 9202 if (!ps.isSharedUser()) { 9203 origPermissions = new PermissionsState(permissionsState); 9204 permissionsState.reset(); 9205 } else { 9206 // We need to know only about runtime permission changes since the 9207 // calling code always writes the install permissions state but 9208 // the runtime ones are written only if changed. The only cases of 9209 // changed runtime permissions here are promotion of an install to 9210 // runtime and revocation of a runtime from a shared user. 9211 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9212 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9213 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9214 runtimePermissionsRevoked = true; 9215 } 9216 } 9217 } 9218 9219 permissionsState.setGlobalGids(mGlobalGids); 9220 9221 final int N = pkg.requestedPermissions.size(); 9222 for (int i=0; i<N; i++) { 9223 final String name = pkg.requestedPermissions.get(i); 9224 final BasePermission bp = mSettings.mPermissions.get(name); 9225 9226 if (DEBUG_INSTALL) { 9227 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9228 } 9229 9230 if (bp == null || bp.packageSetting == null) { 9231 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9232 Slog.w(TAG, "Unknown permission " + name 9233 + " in package " + pkg.packageName); 9234 } 9235 continue; 9236 } 9237 9238 final String perm = bp.name; 9239 boolean allowedSig = false; 9240 int grant = GRANT_DENIED; 9241 9242 // Keep track of app op permissions. 9243 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9244 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9245 if (pkgs == null) { 9246 pkgs = new ArraySet<>(); 9247 mAppOpPermissionPackages.put(bp.name, pkgs); 9248 } 9249 pkgs.add(pkg.packageName); 9250 } 9251 9252 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9253 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9254 >= Build.VERSION_CODES.M; 9255 switch (level) { 9256 case PermissionInfo.PROTECTION_NORMAL: { 9257 // For all apps normal permissions are install time ones. 9258 grant = GRANT_INSTALL; 9259 } break; 9260 9261 case PermissionInfo.PROTECTION_DANGEROUS: { 9262 // If a permission review is required for legacy apps we represent 9263 // their permissions as always granted runtime ones since we need 9264 // to keep the review required permission flag per user while an 9265 // install permission's state is shared across all users. 9266 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9267 // For legacy apps dangerous permissions are install time ones. 9268 grant = GRANT_INSTALL; 9269 } else if (origPermissions.hasInstallPermission(bp.name)) { 9270 // For legacy apps that became modern, install becomes runtime. 9271 grant = GRANT_UPGRADE; 9272 } else if (mPromoteSystemApps 9273 && isSystemApp(ps) 9274 && mExistingSystemPackages.contains(ps.name)) { 9275 // For legacy system apps, install becomes runtime. 9276 // We cannot check hasInstallPermission() for system apps since those 9277 // permissions were granted implicitly and not persisted pre-M. 9278 grant = GRANT_UPGRADE; 9279 } else { 9280 // For modern apps keep runtime permissions unchanged. 9281 grant = GRANT_RUNTIME; 9282 } 9283 } break; 9284 9285 case PermissionInfo.PROTECTION_SIGNATURE: { 9286 // For all apps signature permissions are install time ones. 9287 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9288 if (allowedSig) { 9289 grant = GRANT_INSTALL; 9290 } 9291 } break; 9292 } 9293 9294 if (DEBUG_INSTALL) { 9295 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9296 } 9297 9298 if (grant != GRANT_DENIED) { 9299 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9300 // If this is an existing, non-system package, then 9301 // we can't add any new permissions to it. 9302 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9303 // Except... if this is a permission that was added 9304 // to the platform (note: need to only do this when 9305 // updating the platform). 9306 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9307 grant = GRANT_DENIED; 9308 } 9309 } 9310 } 9311 9312 switch (grant) { 9313 case GRANT_INSTALL: { 9314 // Revoke this as runtime permission to handle the case of 9315 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9316 for (int userId : UserManagerService.getInstance().getUserIds()) { 9317 if (origPermissions.getRuntimePermissionState( 9318 bp.name, userId) != null) { 9319 // Revoke the runtime permission and clear the flags. 9320 origPermissions.revokeRuntimePermission(bp, userId); 9321 origPermissions.updatePermissionFlags(bp, userId, 9322 PackageManager.MASK_PERMISSION_FLAGS, 0); 9323 // If we revoked a permission permission, we have to write. 9324 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9325 changedRuntimePermissionUserIds, userId); 9326 } 9327 } 9328 // Grant an install permission. 9329 if (permissionsState.grantInstallPermission(bp) != 9330 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9331 changedInstallPermission = true; 9332 } 9333 } break; 9334 9335 case GRANT_RUNTIME: { 9336 // Grant previously granted runtime permissions. 9337 for (int userId : UserManagerService.getInstance().getUserIds()) { 9338 PermissionState permissionState = origPermissions 9339 .getRuntimePermissionState(bp.name, userId); 9340 int flags = permissionState != null 9341 ? permissionState.getFlags() : 0; 9342 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9343 if (permissionsState.grantRuntimePermission(bp, userId) == 9344 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9345 // If we cannot put the permission as it was, we have to write. 9346 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9347 changedRuntimePermissionUserIds, userId); 9348 } 9349 // If the app supports runtime permissions no need for a review. 9350 if (Build.PERMISSIONS_REVIEW_REQUIRED 9351 && appSupportsRuntimePermissions 9352 && (flags & PackageManager 9353 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9354 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9355 // Since we changed the flags, we have to write. 9356 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9357 changedRuntimePermissionUserIds, userId); 9358 } 9359 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9360 && !appSupportsRuntimePermissions) { 9361 // For legacy apps that need a permission review, every new 9362 // runtime permission is granted but it is pending a review. 9363 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9364 permissionsState.grantRuntimePermission(bp, userId); 9365 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9366 // We changed the permission and flags, hence have to write. 9367 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9368 changedRuntimePermissionUserIds, userId); 9369 } 9370 } 9371 // Propagate the permission flags. 9372 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9373 } 9374 } break; 9375 9376 case GRANT_UPGRADE: { 9377 // Grant runtime permissions for a previously held install permission. 9378 PermissionState permissionState = origPermissions 9379 .getInstallPermissionState(bp.name); 9380 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9381 9382 if (origPermissions.revokeInstallPermission(bp) 9383 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9384 // We will be transferring the permission flags, so clear them. 9385 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9386 PackageManager.MASK_PERMISSION_FLAGS, 0); 9387 changedInstallPermission = true; 9388 } 9389 9390 // If the permission is not to be promoted to runtime we ignore it and 9391 // also its other flags as they are not applicable to install permissions. 9392 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9393 for (int userId : currentUserIds) { 9394 if (permissionsState.grantRuntimePermission(bp, userId) != 9395 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9396 // Transfer the permission flags. 9397 permissionsState.updatePermissionFlags(bp, userId, 9398 flags, flags); 9399 // If we granted the permission, we have to write. 9400 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9401 changedRuntimePermissionUserIds, userId); 9402 } 9403 } 9404 } 9405 } break; 9406 9407 default: { 9408 if (packageOfInterest == null 9409 || packageOfInterest.equals(pkg.packageName)) { 9410 Slog.w(TAG, "Not granting permission " + perm 9411 + " to package " + pkg.packageName 9412 + " because it was previously installed without"); 9413 } 9414 } break; 9415 } 9416 } else { 9417 if (permissionsState.revokeInstallPermission(bp) != 9418 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9419 // Also drop the permission flags. 9420 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9421 PackageManager.MASK_PERMISSION_FLAGS, 0); 9422 changedInstallPermission = true; 9423 Slog.i(TAG, "Un-granting permission " + perm 9424 + " from package " + pkg.packageName 9425 + " (protectionLevel=" + bp.protectionLevel 9426 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9427 + ")"); 9428 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9429 // Don't print warning for app op permissions, since it is fine for them 9430 // not to be granted, there is a UI for the user to decide. 9431 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9432 Slog.w(TAG, "Not granting permission " + perm 9433 + " to package " + pkg.packageName 9434 + " (protectionLevel=" + bp.protectionLevel 9435 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9436 + ")"); 9437 } 9438 } 9439 } 9440 } 9441 9442 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9443 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9444 // This is the first that we have heard about this package, so the 9445 // permissions we have now selected are fixed until explicitly 9446 // changed. 9447 ps.installPermissionsFixed = true; 9448 } 9449 9450 // Persist the runtime permissions state for users with changes. If permissions 9451 // were revoked because no app in the shared user declares them we have to 9452 // write synchronously to avoid losing runtime permissions state. 9453 for (int userId : changedRuntimePermissionUserIds) { 9454 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9455 } 9456 9457 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9458 } 9459 9460 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9461 boolean allowed = false; 9462 final int NP = PackageParser.NEW_PERMISSIONS.length; 9463 for (int ip=0; ip<NP; ip++) { 9464 final PackageParser.NewPermissionInfo npi 9465 = PackageParser.NEW_PERMISSIONS[ip]; 9466 if (npi.name.equals(perm) 9467 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9468 allowed = true; 9469 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9470 + pkg.packageName); 9471 break; 9472 } 9473 } 9474 return allowed; 9475 } 9476 9477 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9478 BasePermission bp, PermissionsState origPermissions) { 9479 boolean allowed; 9480 allowed = (compareSignatures( 9481 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9482 == PackageManager.SIGNATURE_MATCH) 9483 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9484 == PackageManager.SIGNATURE_MATCH); 9485 if (!allowed && (bp.protectionLevel 9486 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9487 if (isSystemApp(pkg)) { 9488 // For updated system applications, a system permission 9489 // is granted only if it had been defined by the original application. 9490 if (pkg.isUpdatedSystemApp()) { 9491 final PackageSetting sysPs = mSettings 9492 .getDisabledSystemPkgLPr(pkg.packageName); 9493 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9494 // If the original was granted this permission, we take 9495 // that grant decision as read and propagate it to the 9496 // update. 9497 if (sysPs.isPrivileged()) { 9498 allowed = true; 9499 } 9500 } else { 9501 // The system apk may have been updated with an older 9502 // version of the one on the data partition, but which 9503 // granted a new system permission that it didn't have 9504 // before. In this case we do want to allow the app to 9505 // now get the new permission if the ancestral apk is 9506 // privileged to get it. 9507 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9508 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9509 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9510 allowed = true; 9511 break; 9512 } 9513 } 9514 } 9515 // Also if a privileged parent package on the system image or any of 9516 // its children requested a privileged permission, the updated child 9517 // packages can also get the permission. 9518 if (pkg.parentPackage != null) { 9519 final PackageSetting disabledSysParentPs = mSettings 9520 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9521 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9522 && disabledSysParentPs.isPrivileged()) { 9523 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9524 allowed = true; 9525 } else if (disabledSysParentPs.pkg.childPackages != null) { 9526 final int count = disabledSysParentPs.pkg.childPackages.size(); 9527 for (int i = 0; i < count; i++) { 9528 PackageParser.Package disabledSysChildPkg = 9529 disabledSysParentPs.pkg.childPackages.get(i); 9530 if (isPackageRequestingPermission(disabledSysChildPkg, 9531 perm)) { 9532 allowed = true; 9533 break; 9534 } 9535 } 9536 } 9537 } 9538 } 9539 } 9540 } else { 9541 allowed = isPrivilegedApp(pkg); 9542 } 9543 } 9544 } 9545 if (!allowed) { 9546 if (!allowed && (bp.protectionLevel 9547 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9548 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9549 // If this was a previously normal/dangerous permission that got moved 9550 // to a system permission as part of the runtime permission redesign, then 9551 // we still want to blindly grant it to old apps. 9552 allowed = true; 9553 } 9554 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9555 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9556 // If this permission is to be granted to the system installer and 9557 // this app is an installer, then it gets the permission. 9558 allowed = true; 9559 } 9560 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9561 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9562 // If this permission is to be granted to the system verifier and 9563 // this app is a verifier, then it gets the permission. 9564 allowed = true; 9565 } 9566 if (!allowed && (bp.protectionLevel 9567 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9568 && isSystemApp(pkg)) { 9569 // Any pre-installed system app is allowed to get this permission. 9570 allowed = true; 9571 } 9572 if (!allowed && (bp.protectionLevel 9573 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9574 // For development permissions, a development permission 9575 // is granted only if it was already granted. 9576 allowed = origPermissions.hasInstallPermission(perm); 9577 } 9578 } 9579 return allowed; 9580 } 9581 9582 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9583 final int permCount = pkg.requestedPermissions.size(); 9584 for (int j = 0; j < permCount; j++) { 9585 String requestedPermission = pkg.requestedPermissions.get(j); 9586 if (permission.equals(requestedPermission)) { 9587 return true; 9588 } 9589 } 9590 return false; 9591 } 9592 9593 final class ActivityIntentResolver 9594 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9595 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9596 boolean defaultOnly, int userId) { 9597 if (!sUserManager.exists(userId)) return null; 9598 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9599 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9600 } 9601 9602 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9603 int userId) { 9604 if (!sUserManager.exists(userId)) return null; 9605 mFlags = flags; 9606 return super.queryIntent(intent, resolvedType, 9607 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9608 } 9609 9610 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9611 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9612 if (!sUserManager.exists(userId)) return null; 9613 if (packageActivities == null) { 9614 return null; 9615 } 9616 mFlags = flags; 9617 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9618 final int N = packageActivities.size(); 9619 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9620 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9621 9622 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9623 for (int i = 0; i < N; ++i) { 9624 intentFilters = packageActivities.get(i).intents; 9625 if (intentFilters != null && intentFilters.size() > 0) { 9626 PackageParser.ActivityIntentInfo[] array = 9627 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9628 intentFilters.toArray(array); 9629 listCut.add(array); 9630 } 9631 } 9632 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9633 } 9634 9635 public final void addActivity(PackageParser.Activity a, String type) { 9636 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9637 mActivities.put(a.getComponentName(), a); 9638 if (DEBUG_SHOW_INFO) 9639 Log.v( 9640 TAG, " " + type + " " + 9641 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9642 if (DEBUG_SHOW_INFO) 9643 Log.v(TAG, " Class=" + a.info.name); 9644 final int NI = a.intents.size(); 9645 for (int j=0; j<NI; j++) { 9646 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9647 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9648 intent.setPriority(0); 9649 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9650 + a.className + " with priority > 0, forcing to 0"); 9651 } 9652 if (DEBUG_SHOW_INFO) { 9653 Log.v(TAG, " IntentFilter:"); 9654 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9655 } 9656 if (!intent.debugCheck()) { 9657 Log.w(TAG, "==> For Activity " + a.info.name); 9658 } 9659 addFilter(intent); 9660 } 9661 } 9662 9663 public final void removeActivity(PackageParser.Activity a, String type) { 9664 mActivities.remove(a.getComponentName()); 9665 if (DEBUG_SHOW_INFO) { 9666 Log.v(TAG, " " + type + " " 9667 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9668 : a.info.name) + ":"); 9669 Log.v(TAG, " Class=" + a.info.name); 9670 } 9671 final int NI = a.intents.size(); 9672 for (int j=0; j<NI; j++) { 9673 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9674 if (DEBUG_SHOW_INFO) { 9675 Log.v(TAG, " IntentFilter:"); 9676 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9677 } 9678 removeFilter(intent); 9679 } 9680 } 9681 9682 @Override 9683 protected boolean allowFilterResult( 9684 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9685 ActivityInfo filterAi = filter.activity.info; 9686 for (int i=dest.size()-1; i>=0; i--) { 9687 ActivityInfo destAi = dest.get(i).activityInfo; 9688 if (destAi.name == filterAi.name 9689 && destAi.packageName == filterAi.packageName) { 9690 return false; 9691 } 9692 } 9693 return true; 9694 } 9695 9696 @Override 9697 protected ActivityIntentInfo[] newArray(int size) { 9698 return new ActivityIntentInfo[size]; 9699 } 9700 9701 @Override 9702 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9703 if (!sUserManager.exists(userId)) return true; 9704 PackageParser.Package p = filter.activity.owner; 9705 if (p != null) { 9706 PackageSetting ps = (PackageSetting)p.mExtras; 9707 if (ps != null) { 9708 // System apps are never considered stopped for purposes of 9709 // filtering, because there may be no way for the user to 9710 // actually re-launch them. 9711 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9712 && ps.getStopped(userId); 9713 } 9714 } 9715 return false; 9716 } 9717 9718 @Override 9719 protected boolean isPackageForFilter(String packageName, 9720 PackageParser.ActivityIntentInfo info) { 9721 return packageName.equals(info.activity.owner.packageName); 9722 } 9723 9724 @Override 9725 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9726 int match, int userId) { 9727 if (!sUserManager.exists(userId)) return null; 9728 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9729 return null; 9730 } 9731 final PackageParser.Activity activity = info.activity; 9732 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9733 if (ps == null) { 9734 return null; 9735 } 9736 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9737 ps.readUserState(userId), userId); 9738 if (ai == null) { 9739 return null; 9740 } 9741 final ResolveInfo res = new ResolveInfo(); 9742 res.activityInfo = ai; 9743 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9744 res.filter = info; 9745 } 9746 if (info != null) { 9747 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9748 } 9749 res.priority = info.getPriority(); 9750 res.preferredOrder = activity.owner.mPreferredOrder; 9751 //System.out.println("Result: " + res.activityInfo.className + 9752 // " = " + res.priority); 9753 res.match = match; 9754 res.isDefault = info.hasDefault; 9755 res.labelRes = info.labelRes; 9756 res.nonLocalizedLabel = info.nonLocalizedLabel; 9757 if (userNeedsBadging(userId)) { 9758 res.noResourceId = true; 9759 } else { 9760 res.icon = info.icon; 9761 } 9762 res.iconResourceId = info.icon; 9763 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9764 return res; 9765 } 9766 9767 @Override 9768 protected void sortResults(List<ResolveInfo> results) { 9769 Collections.sort(results, mResolvePrioritySorter); 9770 } 9771 9772 @Override 9773 protected void dumpFilter(PrintWriter out, String prefix, 9774 PackageParser.ActivityIntentInfo filter) { 9775 out.print(prefix); out.print( 9776 Integer.toHexString(System.identityHashCode(filter.activity))); 9777 out.print(' '); 9778 filter.activity.printComponentShortName(out); 9779 out.print(" filter "); 9780 out.println(Integer.toHexString(System.identityHashCode(filter))); 9781 } 9782 9783 @Override 9784 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9785 return filter.activity; 9786 } 9787 9788 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9789 PackageParser.Activity activity = (PackageParser.Activity)label; 9790 out.print(prefix); out.print( 9791 Integer.toHexString(System.identityHashCode(activity))); 9792 out.print(' '); 9793 activity.printComponentShortName(out); 9794 if (count > 1) { 9795 out.print(" ("); out.print(count); out.print(" filters)"); 9796 } 9797 out.println(); 9798 } 9799 9800// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9801// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9802// final List<ResolveInfo> retList = Lists.newArrayList(); 9803// while (i.hasNext()) { 9804// final ResolveInfo resolveInfo = i.next(); 9805// if (isEnabledLP(resolveInfo.activityInfo)) { 9806// retList.add(resolveInfo); 9807// } 9808// } 9809// return retList; 9810// } 9811 9812 // Keys are String (activity class name), values are Activity. 9813 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9814 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9815 private int mFlags; 9816 } 9817 9818 private final class ServiceIntentResolver 9819 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9820 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9821 boolean defaultOnly, int userId) { 9822 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9823 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9824 } 9825 9826 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9827 int userId) { 9828 if (!sUserManager.exists(userId)) return null; 9829 mFlags = flags; 9830 return super.queryIntent(intent, resolvedType, 9831 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9832 } 9833 9834 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9835 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9836 if (!sUserManager.exists(userId)) return null; 9837 if (packageServices == null) { 9838 return null; 9839 } 9840 mFlags = flags; 9841 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9842 final int N = packageServices.size(); 9843 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9844 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9845 9846 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9847 for (int i = 0; i < N; ++i) { 9848 intentFilters = packageServices.get(i).intents; 9849 if (intentFilters != null && intentFilters.size() > 0) { 9850 PackageParser.ServiceIntentInfo[] array = 9851 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9852 intentFilters.toArray(array); 9853 listCut.add(array); 9854 } 9855 } 9856 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9857 } 9858 9859 public final void addService(PackageParser.Service s) { 9860 mServices.put(s.getComponentName(), s); 9861 if (DEBUG_SHOW_INFO) { 9862 Log.v(TAG, " " 9863 + (s.info.nonLocalizedLabel != null 9864 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9865 Log.v(TAG, " Class=" + s.info.name); 9866 } 9867 final int NI = s.intents.size(); 9868 int j; 9869 for (j=0; j<NI; j++) { 9870 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9871 if (DEBUG_SHOW_INFO) { 9872 Log.v(TAG, " IntentFilter:"); 9873 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9874 } 9875 if (!intent.debugCheck()) { 9876 Log.w(TAG, "==> For Service " + s.info.name); 9877 } 9878 addFilter(intent); 9879 } 9880 } 9881 9882 public final void removeService(PackageParser.Service s) { 9883 mServices.remove(s.getComponentName()); 9884 if (DEBUG_SHOW_INFO) { 9885 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9886 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9887 Log.v(TAG, " Class=" + s.info.name); 9888 } 9889 final int NI = s.intents.size(); 9890 int j; 9891 for (j=0; j<NI; j++) { 9892 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9893 if (DEBUG_SHOW_INFO) { 9894 Log.v(TAG, " IntentFilter:"); 9895 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9896 } 9897 removeFilter(intent); 9898 } 9899 } 9900 9901 @Override 9902 protected boolean allowFilterResult( 9903 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9904 ServiceInfo filterSi = filter.service.info; 9905 for (int i=dest.size()-1; i>=0; i--) { 9906 ServiceInfo destAi = dest.get(i).serviceInfo; 9907 if (destAi.name == filterSi.name 9908 && destAi.packageName == filterSi.packageName) { 9909 return false; 9910 } 9911 } 9912 return true; 9913 } 9914 9915 @Override 9916 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9917 return new PackageParser.ServiceIntentInfo[size]; 9918 } 9919 9920 @Override 9921 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9922 if (!sUserManager.exists(userId)) return true; 9923 PackageParser.Package p = filter.service.owner; 9924 if (p != null) { 9925 PackageSetting ps = (PackageSetting)p.mExtras; 9926 if (ps != null) { 9927 // System apps are never considered stopped for purposes of 9928 // filtering, because there may be no way for the user to 9929 // actually re-launch them. 9930 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9931 && ps.getStopped(userId); 9932 } 9933 } 9934 return false; 9935 } 9936 9937 @Override 9938 protected boolean isPackageForFilter(String packageName, 9939 PackageParser.ServiceIntentInfo info) { 9940 return packageName.equals(info.service.owner.packageName); 9941 } 9942 9943 @Override 9944 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9945 int match, int userId) { 9946 if (!sUserManager.exists(userId)) return null; 9947 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9948 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 9949 return null; 9950 } 9951 final PackageParser.Service service = info.service; 9952 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9953 if (ps == null) { 9954 return null; 9955 } 9956 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9957 ps.readUserState(userId), userId); 9958 if (si == null) { 9959 return null; 9960 } 9961 final ResolveInfo res = new ResolveInfo(); 9962 res.serviceInfo = si; 9963 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9964 res.filter = filter; 9965 } 9966 res.priority = info.getPriority(); 9967 res.preferredOrder = service.owner.mPreferredOrder; 9968 res.match = match; 9969 res.isDefault = info.hasDefault; 9970 res.labelRes = info.labelRes; 9971 res.nonLocalizedLabel = info.nonLocalizedLabel; 9972 res.icon = info.icon; 9973 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9974 return res; 9975 } 9976 9977 @Override 9978 protected void sortResults(List<ResolveInfo> results) { 9979 Collections.sort(results, mResolvePrioritySorter); 9980 } 9981 9982 @Override 9983 protected void dumpFilter(PrintWriter out, String prefix, 9984 PackageParser.ServiceIntentInfo filter) { 9985 out.print(prefix); out.print( 9986 Integer.toHexString(System.identityHashCode(filter.service))); 9987 out.print(' '); 9988 filter.service.printComponentShortName(out); 9989 out.print(" filter "); 9990 out.println(Integer.toHexString(System.identityHashCode(filter))); 9991 } 9992 9993 @Override 9994 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9995 return filter.service; 9996 } 9997 9998 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9999 PackageParser.Service service = (PackageParser.Service)label; 10000 out.print(prefix); out.print( 10001 Integer.toHexString(System.identityHashCode(service))); 10002 out.print(' '); 10003 service.printComponentShortName(out); 10004 if (count > 1) { 10005 out.print(" ("); out.print(count); out.print(" filters)"); 10006 } 10007 out.println(); 10008 } 10009 10010// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10011// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10012// final List<ResolveInfo> retList = Lists.newArrayList(); 10013// while (i.hasNext()) { 10014// final ResolveInfo resolveInfo = (ResolveInfo) i; 10015// if (isEnabledLP(resolveInfo.serviceInfo)) { 10016// retList.add(resolveInfo); 10017// } 10018// } 10019// return retList; 10020// } 10021 10022 // Keys are String (activity class name), values are Activity. 10023 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10024 = new ArrayMap<ComponentName, PackageParser.Service>(); 10025 private int mFlags; 10026 }; 10027 10028 private final class ProviderIntentResolver 10029 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10030 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10031 boolean defaultOnly, int userId) { 10032 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10033 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10034 } 10035 10036 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10037 int userId) { 10038 if (!sUserManager.exists(userId)) 10039 return null; 10040 mFlags = flags; 10041 return super.queryIntent(intent, resolvedType, 10042 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10043 } 10044 10045 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10046 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10047 if (!sUserManager.exists(userId)) 10048 return null; 10049 if (packageProviders == null) { 10050 return null; 10051 } 10052 mFlags = flags; 10053 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10054 final int N = packageProviders.size(); 10055 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10056 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10057 10058 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10059 for (int i = 0; i < N; ++i) { 10060 intentFilters = packageProviders.get(i).intents; 10061 if (intentFilters != null && intentFilters.size() > 0) { 10062 PackageParser.ProviderIntentInfo[] array = 10063 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10064 intentFilters.toArray(array); 10065 listCut.add(array); 10066 } 10067 } 10068 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10069 } 10070 10071 public final void addProvider(PackageParser.Provider p) { 10072 if (mProviders.containsKey(p.getComponentName())) { 10073 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10074 return; 10075 } 10076 10077 mProviders.put(p.getComponentName(), p); 10078 if (DEBUG_SHOW_INFO) { 10079 Log.v(TAG, " " 10080 + (p.info.nonLocalizedLabel != null 10081 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10082 Log.v(TAG, " Class=" + p.info.name); 10083 } 10084 final int NI = p.intents.size(); 10085 int j; 10086 for (j = 0; j < NI; j++) { 10087 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10088 if (DEBUG_SHOW_INFO) { 10089 Log.v(TAG, " IntentFilter:"); 10090 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10091 } 10092 if (!intent.debugCheck()) { 10093 Log.w(TAG, "==> For Provider " + p.info.name); 10094 } 10095 addFilter(intent); 10096 } 10097 } 10098 10099 public final void removeProvider(PackageParser.Provider p) { 10100 mProviders.remove(p.getComponentName()); 10101 if (DEBUG_SHOW_INFO) { 10102 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10103 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10104 Log.v(TAG, " Class=" + p.info.name); 10105 } 10106 final int NI = p.intents.size(); 10107 int j; 10108 for (j = 0; j < NI; j++) { 10109 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10110 if (DEBUG_SHOW_INFO) { 10111 Log.v(TAG, " IntentFilter:"); 10112 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10113 } 10114 removeFilter(intent); 10115 } 10116 } 10117 10118 @Override 10119 protected boolean allowFilterResult( 10120 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10121 ProviderInfo filterPi = filter.provider.info; 10122 for (int i = dest.size() - 1; i >= 0; i--) { 10123 ProviderInfo destPi = dest.get(i).providerInfo; 10124 if (destPi.name == filterPi.name 10125 && destPi.packageName == filterPi.packageName) { 10126 return false; 10127 } 10128 } 10129 return true; 10130 } 10131 10132 @Override 10133 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10134 return new PackageParser.ProviderIntentInfo[size]; 10135 } 10136 10137 @Override 10138 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10139 if (!sUserManager.exists(userId)) 10140 return true; 10141 PackageParser.Package p = filter.provider.owner; 10142 if (p != null) { 10143 PackageSetting ps = (PackageSetting) p.mExtras; 10144 if (ps != null) { 10145 // System apps are never considered stopped for purposes of 10146 // filtering, because there may be no way for the user to 10147 // actually re-launch them. 10148 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10149 && ps.getStopped(userId); 10150 } 10151 } 10152 return false; 10153 } 10154 10155 @Override 10156 protected boolean isPackageForFilter(String packageName, 10157 PackageParser.ProviderIntentInfo info) { 10158 return packageName.equals(info.provider.owner.packageName); 10159 } 10160 10161 @Override 10162 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10163 int match, int userId) { 10164 if (!sUserManager.exists(userId)) 10165 return null; 10166 final PackageParser.ProviderIntentInfo info = filter; 10167 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10168 return null; 10169 } 10170 final PackageParser.Provider provider = info.provider; 10171 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10172 if (ps == null) { 10173 return null; 10174 } 10175 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10176 ps.readUserState(userId), userId); 10177 if (pi == null) { 10178 return null; 10179 } 10180 final ResolveInfo res = new ResolveInfo(); 10181 res.providerInfo = pi; 10182 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10183 res.filter = filter; 10184 } 10185 res.priority = info.getPriority(); 10186 res.preferredOrder = provider.owner.mPreferredOrder; 10187 res.match = match; 10188 res.isDefault = info.hasDefault; 10189 res.labelRes = info.labelRes; 10190 res.nonLocalizedLabel = info.nonLocalizedLabel; 10191 res.icon = info.icon; 10192 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10193 return res; 10194 } 10195 10196 @Override 10197 protected void sortResults(List<ResolveInfo> results) { 10198 Collections.sort(results, mResolvePrioritySorter); 10199 } 10200 10201 @Override 10202 protected void dumpFilter(PrintWriter out, String prefix, 10203 PackageParser.ProviderIntentInfo filter) { 10204 out.print(prefix); 10205 out.print( 10206 Integer.toHexString(System.identityHashCode(filter.provider))); 10207 out.print(' '); 10208 filter.provider.printComponentShortName(out); 10209 out.print(" filter "); 10210 out.println(Integer.toHexString(System.identityHashCode(filter))); 10211 } 10212 10213 @Override 10214 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10215 return filter.provider; 10216 } 10217 10218 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10219 PackageParser.Provider provider = (PackageParser.Provider)label; 10220 out.print(prefix); out.print( 10221 Integer.toHexString(System.identityHashCode(provider))); 10222 out.print(' '); 10223 provider.printComponentShortName(out); 10224 if (count > 1) { 10225 out.print(" ("); out.print(count); out.print(" filters)"); 10226 } 10227 out.println(); 10228 } 10229 10230 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10231 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10232 private int mFlags; 10233 } 10234 10235 private static final class EphemeralIntentResolver 10236 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10237 @Override 10238 protected EphemeralResolveIntentInfo[] newArray(int size) { 10239 return new EphemeralResolveIntentInfo[size]; 10240 } 10241 10242 @Override 10243 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10244 return true; 10245 } 10246 10247 @Override 10248 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10249 int userId) { 10250 if (!sUserManager.exists(userId)) { 10251 return null; 10252 } 10253 return info.getEphemeralResolveInfo(); 10254 } 10255 } 10256 10257 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10258 new Comparator<ResolveInfo>() { 10259 public int compare(ResolveInfo r1, ResolveInfo r2) { 10260 int v1 = r1.priority; 10261 int v2 = r2.priority; 10262 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10263 if (v1 != v2) { 10264 return (v1 > v2) ? -1 : 1; 10265 } 10266 v1 = r1.preferredOrder; 10267 v2 = r2.preferredOrder; 10268 if (v1 != v2) { 10269 return (v1 > v2) ? -1 : 1; 10270 } 10271 if (r1.isDefault != r2.isDefault) { 10272 return r1.isDefault ? -1 : 1; 10273 } 10274 v1 = r1.match; 10275 v2 = r2.match; 10276 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10277 if (v1 != v2) { 10278 return (v1 > v2) ? -1 : 1; 10279 } 10280 if (r1.system != r2.system) { 10281 return r1.system ? -1 : 1; 10282 } 10283 if (r1.activityInfo != null) { 10284 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10285 } 10286 if (r1.serviceInfo != null) { 10287 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10288 } 10289 if (r1.providerInfo != null) { 10290 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10291 } 10292 return 0; 10293 } 10294 }; 10295 10296 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10297 new Comparator<ProviderInfo>() { 10298 public int compare(ProviderInfo p1, ProviderInfo p2) { 10299 final int v1 = p1.initOrder; 10300 final int v2 = p2.initOrder; 10301 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10302 } 10303 }; 10304 10305 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10306 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10307 final int[] userIds) { 10308 mHandler.post(new Runnable() { 10309 @Override 10310 public void run() { 10311 try { 10312 final IActivityManager am = ActivityManagerNative.getDefault(); 10313 if (am == null) return; 10314 final int[] resolvedUserIds; 10315 if (userIds == null) { 10316 resolvedUserIds = am.getRunningUserIds(); 10317 } else { 10318 resolvedUserIds = userIds; 10319 } 10320 for (int id : resolvedUserIds) { 10321 final Intent intent = new Intent(action, 10322 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10323 if (extras != null) { 10324 intent.putExtras(extras); 10325 } 10326 if (targetPkg != null) { 10327 intent.setPackage(targetPkg); 10328 } 10329 // Modify the UID when posting to other users 10330 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10331 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10332 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10333 intent.putExtra(Intent.EXTRA_UID, uid); 10334 } 10335 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10336 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10337 if (DEBUG_BROADCASTS) { 10338 RuntimeException here = new RuntimeException("here"); 10339 here.fillInStackTrace(); 10340 Slog.d(TAG, "Sending to user " + id + ": " 10341 + intent.toShortString(false, true, false, false) 10342 + " " + intent.getExtras(), here); 10343 } 10344 am.broadcastIntent(null, intent, null, finishedReceiver, 10345 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10346 null, finishedReceiver != null, false, id); 10347 } 10348 } catch (RemoteException ex) { 10349 } 10350 } 10351 }); 10352 } 10353 10354 /** 10355 * Check if the external storage media is available. This is true if there 10356 * is a mounted external storage medium or if the external storage is 10357 * emulated. 10358 */ 10359 private boolean isExternalMediaAvailable() { 10360 return mMediaMounted || Environment.isExternalStorageEmulated(); 10361 } 10362 10363 @Override 10364 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10365 // writer 10366 synchronized (mPackages) { 10367 if (!isExternalMediaAvailable()) { 10368 // If the external storage is no longer mounted at this point, 10369 // the caller may not have been able to delete all of this 10370 // packages files and can not delete any more. Bail. 10371 return null; 10372 } 10373 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10374 if (lastPackage != null) { 10375 pkgs.remove(lastPackage); 10376 } 10377 if (pkgs.size() > 0) { 10378 return pkgs.get(0); 10379 } 10380 } 10381 return null; 10382 } 10383 10384 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10385 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10386 userId, andCode ? 1 : 0, packageName); 10387 if (mSystemReady) { 10388 msg.sendToTarget(); 10389 } else { 10390 if (mPostSystemReadyMessages == null) { 10391 mPostSystemReadyMessages = new ArrayList<>(); 10392 } 10393 mPostSystemReadyMessages.add(msg); 10394 } 10395 } 10396 10397 void startCleaningPackages() { 10398 // reader 10399 synchronized (mPackages) { 10400 if (!isExternalMediaAvailable()) { 10401 return; 10402 } 10403 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10404 return; 10405 } 10406 } 10407 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10408 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10409 IActivityManager am = ActivityManagerNative.getDefault(); 10410 if (am != null) { 10411 try { 10412 am.startService(null, intent, null, mContext.getOpPackageName(), 10413 UserHandle.USER_SYSTEM); 10414 } catch (RemoteException e) { 10415 } 10416 } 10417 } 10418 10419 @Override 10420 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10421 int installFlags, String installerPackageName, int userId) { 10422 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10423 10424 final int callingUid = Binder.getCallingUid(); 10425 enforceCrossUserPermission(callingUid, userId, 10426 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 10427 10428 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10429 try { 10430 if (observer != null) { 10431 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10432 } 10433 } catch (RemoteException re) { 10434 } 10435 return; 10436 } 10437 10438 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10439 installFlags |= PackageManager.INSTALL_FROM_ADB; 10440 10441 } else { 10442 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10443 // about installerPackageName. 10444 10445 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10446 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10447 } 10448 10449 UserHandle user; 10450 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10451 user = UserHandle.ALL; 10452 } else { 10453 user = new UserHandle(userId); 10454 } 10455 10456 // Only system components can circumvent runtime permissions when installing. 10457 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10458 && mContext.checkCallingOrSelfPermission(Manifest.permission 10459 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10460 throw new SecurityException("You need the " 10461 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10462 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10463 } 10464 10465 final File originFile = new File(originPath); 10466 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10467 10468 final Message msg = mHandler.obtainMessage(INIT_COPY); 10469 final VerificationInfo verificationInfo = new VerificationInfo( 10470 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 10471 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 10472 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 10473 null /*packageAbiOverride*/, null /*grantedPermissions*/); 10474 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10475 msg.obj = params; 10476 10477 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10478 System.identityHashCode(msg.obj)); 10479 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10480 System.identityHashCode(msg.obj)); 10481 10482 mHandler.sendMessage(msg); 10483 } 10484 10485 void installStage(String packageName, File stagedDir, String stagedCid, 10486 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10487 String installerPackageName, int installerUid, UserHandle user) { 10488 if (DEBUG_EPHEMERAL) { 10489 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10490 Slog.d(TAG, "Ephemeral install of " + packageName); 10491 } 10492 } 10493 final VerificationInfo verificationInfo = new VerificationInfo( 10494 sessionParams.originatingUri, sessionParams.referrerUri, 10495 sessionParams.originatingUid, installerUid); 10496 10497 final OriginInfo origin; 10498 if (stagedDir != null) { 10499 origin = OriginInfo.fromStagedFile(stagedDir); 10500 } else { 10501 origin = OriginInfo.fromStagedContainer(stagedCid); 10502 } 10503 10504 final Message msg = mHandler.obtainMessage(INIT_COPY); 10505 final InstallParams params = new InstallParams(origin, null, observer, 10506 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10507 verificationInfo, user, sessionParams.abiOverride, 10508 sessionParams.grantedRuntimePermissions); 10509 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10510 msg.obj = params; 10511 10512 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10513 System.identityHashCode(msg.obj)); 10514 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10515 System.identityHashCode(msg.obj)); 10516 10517 mHandler.sendMessage(msg); 10518 } 10519 10520 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 10521 int userId) { 10522 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10523 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 10524 } 10525 10526 private void sendPackageAddedForUser(String packageName, boolean isSystem, 10527 int appId, int userId) { 10528 Bundle extras = new Bundle(1); 10529 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 10530 10531 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10532 packageName, extras, 0, null, null, new int[] {userId}); 10533 try { 10534 IActivityManager am = ActivityManagerNative.getDefault(); 10535 if (isSystem && am.isUserRunning(userId, 0)) { 10536 // The just-installed/enabled app is bundled on the system, so presumed 10537 // to be able to run automatically without needing an explicit launch. 10538 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10539 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10540 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10541 .setPackage(packageName); 10542 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10543 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10544 } 10545 } catch (RemoteException e) { 10546 // shouldn't happen 10547 Slog.w(TAG, "Unable to bootstrap installed package", e); 10548 } 10549 } 10550 10551 @Override 10552 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10553 int userId) { 10554 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10555 PackageSetting pkgSetting; 10556 final int uid = Binder.getCallingUid(); 10557 enforceCrossUserPermission(uid, userId, 10558 true /* requireFullPermission */, true /* checkShell */, 10559 "setApplicationHiddenSetting for user " + userId); 10560 10561 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10562 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10563 return false; 10564 } 10565 10566 long callingId = Binder.clearCallingIdentity(); 10567 try { 10568 boolean sendAdded = false; 10569 boolean sendRemoved = false; 10570 // writer 10571 synchronized (mPackages) { 10572 pkgSetting = mSettings.mPackages.get(packageName); 10573 if (pkgSetting == null) { 10574 return false; 10575 } 10576 if (pkgSetting.getHidden(userId) != hidden) { 10577 pkgSetting.setHidden(hidden, userId); 10578 mSettings.writePackageRestrictionsLPr(userId); 10579 if (hidden) { 10580 sendRemoved = true; 10581 } else { 10582 sendAdded = true; 10583 } 10584 } 10585 } 10586 if (sendAdded) { 10587 sendPackageAddedForUser(packageName, pkgSetting, userId); 10588 return true; 10589 } 10590 if (sendRemoved) { 10591 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10592 "hiding pkg"); 10593 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10594 return true; 10595 } 10596 } finally { 10597 Binder.restoreCallingIdentity(callingId); 10598 } 10599 return false; 10600 } 10601 10602 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10603 int userId) { 10604 final PackageRemovedInfo info = new PackageRemovedInfo(); 10605 info.removedPackage = packageName; 10606 info.removedUsers = new int[] {userId}; 10607 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10608 info.sendPackageRemovedBroadcasts(true /*killApp*/); 10609 } 10610 10611 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 10612 if (pkgList.length > 0) { 10613 Bundle extras = new Bundle(1); 10614 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 10615 10616 sendPackageBroadcast( 10617 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 10618 : Intent.ACTION_PACKAGES_UNSUSPENDED, 10619 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 10620 new int[] {userId}); 10621 } 10622 } 10623 10624 /** 10625 * Returns true if application is not found or there was an error. Otherwise it returns 10626 * the hidden state of the package for the given user. 10627 */ 10628 @Override 10629 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10630 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10631 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10632 true /* requireFullPermission */, false /* checkShell */, 10633 "getApplicationHidden for user " + userId); 10634 PackageSetting pkgSetting; 10635 long callingId = Binder.clearCallingIdentity(); 10636 try { 10637 // writer 10638 synchronized (mPackages) { 10639 pkgSetting = mSettings.mPackages.get(packageName); 10640 if (pkgSetting == null) { 10641 return true; 10642 } 10643 return pkgSetting.getHidden(userId); 10644 } 10645 } finally { 10646 Binder.restoreCallingIdentity(callingId); 10647 } 10648 } 10649 10650 /** 10651 * @hide 10652 */ 10653 @Override 10654 public int installExistingPackageAsUser(String packageName, int userId) { 10655 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10656 null); 10657 PackageSetting pkgSetting; 10658 final int uid = Binder.getCallingUid(); 10659 enforceCrossUserPermission(uid, userId, 10660 true /* requireFullPermission */, true /* checkShell */, 10661 "installExistingPackage for user " + userId); 10662 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10663 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10664 } 10665 10666 long callingId = Binder.clearCallingIdentity(); 10667 try { 10668 boolean installed = false; 10669 10670 // writer 10671 synchronized (mPackages) { 10672 pkgSetting = mSettings.mPackages.get(packageName); 10673 if (pkgSetting == null) { 10674 return PackageManager.INSTALL_FAILED_INVALID_URI; 10675 } 10676 if (!pkgSetting.getInstalled(userId)) { 10677 pkgSetting.setInstalled(true, userId); 10678 pkgSetting.setHidden(false, userId); 10679 mSettings.writePackageRestrictionsLPr(userId); 10680 installed = true; 10681 } 10682 } 10683 10684 if (installed) { 10685 if (pkgSetting.pkg != null) { 10686 prepareAppDataAfterInstall(pkgSetting.pkg); 10687 } 10688 sendPackageAddedForUser(packageName, pkgSetting, userId); 10689 } 10690 } finally { 10691 Binder.restoreCallingIdentity(callingId); 10692 } 10693 10694 return PackageManager.INSTALL_SUCCEEDED; 10695 } 10696 10697 boolean isUserRestricted(int userId, String restrictionKey) { 10698 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10699 if (restrictions.getBoolean(restrictionKey, false)) { 10700 Log.w(TAG, "User is restricted: " + restrictionKey); 10701 return true; 10702 } 10703 return false; 10704 } 10705 10706 @Override 10707 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 10708 int userId) { 10709 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10710 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10711 true /* requireFullPermission */, true /* checkShell */, 10712 "setPackagesSuspended for user " + userId); 10713 10714 if (ArrayUtils.isEmpty(packageNames)) { 10715 return packageNames; 10716 } 10717 10718 // List of package names for whom the suspended state has changed. 10719 List<String> changedPackages = new ArrayList<>(packageNames.length); 10720 // List of package names for whom the suspended state is not set as requested in this 10721 // method. 10722 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 10723 for (int i = 0; i < packageNames.length; i++) { 10724 String packageName = packageNames[i]; 10725 long callingId = Binder.clearCallingIdentity(); 10726 try { 10727 boolean changed = false; 10728 final int appId; 10729 synchronized (mPackages) { 10730 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10731 if (pkgSetting == null) { 10732 Slog.w(TAG, "Could not find package setting for package \"" + packageName 10733 + "\". Skipping suspending/un-suspending."); 10734 unactionedPackages.add(packageName); 10735 continue; 10736 } 10737 appId = pkgSetting.appId; 10738 if (pkgSetting.getSuspended(userId) != suspended) { 10739 if (!canSuspendPackageForUserLocked(packageName, userId)) { 10740 unactionedPackages.add(packageName); 10741 continue; 10742 } 10743 pkgSetting.setSuspended(suspended, userId); 10744 mSettings.writePackageRestrictionsLPr(userId); 10745 changed = true; 10746 changedPackages.add(packageName); 10747 } 10748 } 10749 10750 if (changed && suspended) { 10751 killApplication(packageName, UserHandle.getUid(userId, appId), 10752 "suspending package"); 10753 } 10754 } finally { 10755 Binder.restoreCallingIdentity(callingId); 10756 } 10757 } 10758 10759 if (!changedPackages.isEmpty()) { 10760 sendPackagesSuspendedForUser(changedPackages.toArray( 10761 new String[changedPackages.size()]), userId, suspended); 10762 } 10763 10764 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 10765 } 10766 10767 @Override 10768 public boolean isPackageSuspendedForUser(String packageName, int userId) { 10769 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10770 true /* requireFullPermission */, false /* checkShell */, 10771 "isPackageSuspendedForUser for user " + userId); 10772 synchronized (mPackages) { 10773 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10774 return pkgSetting != null && pkgSetting.getSuspended(userId); 10775 } 10776 } 10777 10778 // TODO: investigate and add more restrictions for suspending crucial packages. 10779 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 10780 if (isPackageDeviceAdmin(packageName, userId)) { 10781 Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName 10782 + "\": has active device admin"); 10783 return false; 10784 } 10785 10786 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 10787 if (packageName.equals(activeLauncherPackageName)) { 10788 Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName 10789 + "\" because it is set as the active launcher"); 10790 return false; 10791 } 10792 10793 final PackageParser.Package pkg = mPackages.get(packageName); 10794 if (pkg != null && isPrivilegedApp(pkg)) { 10795 Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName 10796 + "\" because it is a privileged app"); 10797 return false; 10798 } 10799 10800 return true; 10801 } 10802 10803 private String getActiveLauncherPackageName(int userId) { 10804 Intent intent = new Intent(Intent.ACTION_MAIN); 10805 intent.addCategory(Intent.CATEGORY_HOME); 10806 ResolveInfo resolveInfo = resolveIntent( 10807 intent, 10808 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 10809 PackageManager.MATCH_DEFAULT_ONLY, 10810 userId); 10811 10812 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 10813 } 10814 10815 @Override 10816 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10817 mContext.enforceCallingOrSelfPermission( 10818 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10819 "Only package verification agents can verify applications"); 10820 10821 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10822 final PackageVerificationResponse response = new PackageVerificationResponse( 10823 verificationCode, Binder.getCallingUid()); 10824 msg.arg1 = id; 10825 msg.obj = response; 10826 mHandler.sendMessage(msg); 10827 } 10828 10829 @Override 10830 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10831 long millisecondsToDelay) { 10832 mContext.enforceCallingOrSelfPermission( 10833 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10834 "Only package verification agents can extend verification timeouts"); 10835 10836 final PackageVerificationState state = mPendingVerification.get(id); 10837 final PackageVerificationResponse response = new PackageVerificationResponse( 10838 verificationCodeAtTimeout, Binder.getCallingUid()); 10839 10840 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10841 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10842 } 10843 if (millisecondsToDelay < 0) { 10844 millisecondsToDelay = 0; 10845 } 10846 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10847 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10848 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10849 } 10850 10851 if ((state != null) && !state.timeoutExtended()) { 10852 state.extendTimeout(); 10853 10854 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10855 msg.arg1 = id; 10856 msg.obj = response; 10857 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10858 } 10859 } 10860 10861 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10862 int verificationCode, UserHandle user) { 10863 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10864 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10865 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10866 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10867 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10868 10869 mContext.sendBroadcastAsUser(intent, user, 10870 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10871 } 10872 10873 private ComponentName matchComponentForVerifier(String packageName, 10874 List<ResolveInfo> receivers) { 10875 ActivityInfo targetReceiver = null; 10876 10877 final int NR = receivers.size(); 10878 for (int i = 0; i < NR; i++) { 10879 final ResolveInfo info = receivers.get(i); 10880 if (info.activityInfo == null) { 10881 continue; 10882 } 10883 10884 if (packageName.equals(info.activityInfo.packageName)) { 10885 targetReceiver = info.activityInfo; 10886 break; 10887 } 10888 } 10889 10890 if (targetReceiver == null) { 10891 return null; 10892 } 10893 10894 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10895 } 10896 10897 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10898 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10899 if (pkgInfo.verifiers.length == 0) { 10900 return null; 10901 } 10902 10903 final int N = pkgInfo.verifiers.length; 10904 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10905 for (int i = 0; i < N; i++) { 10906 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10907 10908 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10909 receivers); 10910 if (comp == null) { 10911 continue; 10912 } 10913 10914 final int verifierUid = getUidForVerifier(verifierInfo); 10915 if (verifierUid == -1) { 10916 continue; 10917 } 10918 10919 if (DEBUG_VERIFY) { 10920 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10921 + " with the correct signature"); 10922 } 10923 sufficientVerifiers.add(comp); 10924 verificationState.addSufficientVerifier(verifierUid); 10925 } 10926 10927 return sufficientVerifiers; 10928 } 10929 10930 private int getUidForVerifier(VerifierInfo verifierInfo) { 10931 synchronized (mPackages) { 10932 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10933 if (pkg == null) { 10934 return -1; 10935 } else if (pkg.mSignatures.length != 1) { 10936 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10937 + " has more than one signature; ignoring"); 10938 return -1; 10939 } 10940 10941 /* 10942 * If the public key of the package's signature does not match 10943 * our expected public key, then this is a different package and 10944 * we should skip. 10945 */ 10946 10947 final byte[] expectedPublicKey; 10948 try { 10949 final Signature verifierSig = pkg.mSignatures[0]; 10950 final PublicKey publicKey = verifierSig.getPublicKey(); 10951 expectedPublicKey = publicKey.getEncoded(); 10952 } catch (CertificateException e) { 10953 return -1; 10954 } 10955 10956 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10957 10958 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10959 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10960 + " does not have the expected public key; ignoring"); 10961 return -1; 10962 } 10963 10964 return pkg.applicationInfo.uid; 10965 } 10966 } 10967 10968 @Override 10969 public void finishPackageInstall(int token) { 10970 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10971 10972 if (DEBUG_INSTALL) { 10973 Slog.v(TAG, "BM finishing package install for " + token); 10974 } 10975 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10976 10977 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10978 mHandler.sendMessage(msg); 10979 } 10980 10981 /** 10982 * Get the verification agent timeout. 10983 * 10984 * @return verification timeout in milliseconds 10985 */ 10986 private long getVerificationTimeout() { 10987 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10988 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10989 DEFAULT_VERIFICATION_TIMEOUT); 10990 } 10991 10992 /** 10993 * Get the default verification agent response code. 10994 * 10995 * @return default verification response code 10996 */ 10997 private int getDefaultVerificationResponse() { 10998 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10999 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11000 DEFAULT_VERIFICATION_RESPONSE); 11001 } 11002 11003 /** 11004 * Check whether or not package verification has been enabled. 11005 * 11006 * @return true if verification should be performed 11007 */ 11008 private boolean isVerificationEnabled(int userId, int installFlags) { 11009 if (!DEFAULT_VERIFY_ENABLE) { 11010 return false; 11011 } 11012 // Ephemeral apps don't get the full verification treatment 11013 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11014 if (DEBUG_EPHEMERAL) { 11015 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11016 } 11017 return false; 11018 } 11019 11020 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11021 11022 // Check if installing from ADB 11023 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11024 // Do not run verification in a test harness environment 11025 if (ActivityManager.isRunningInTestHarness()) { 11026 return false; 11027 } 11028 if (ensureVerifyAppsEnabled) { 11029 return true; 11030 } 11031 // Check if the developer does not want package verification for ADB installs 11032 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11033 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11034 return false; 11035 } 11036 } 11037 11038 if (ensureVerifyAppsEnabled) { 11039 return true; 11040 } 11041 11042 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11043 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11044 } 11045 11046 @Override 11047 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11048 throws RemoteException { 11049 mContext.enforceCallingOrSelfPermission( 11050 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11051 "Only intentfilter verification agents can verify applications"); 11052 11053 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11054 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11055 Binder.getCallingUid(), verificationCode, failedDomains); 11056 msg.arg1 = id; 11057 msg.obj = response; 11058 mHandler.sendMessage(msg); 11059 } 11060 11061 @Override 11062 public int getIntentVerificationStatus(String packageName, int userId) { 11063 synchronized (mPackages) { 11064 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11065 } 11066 } 11067 11068 @Override 11069 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11070 mContext.enforceCallingOrSelfPermission( 11071 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11072 11073 boolean result = false; 11074 synchronized (mPackages) { 11075 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11076 } 11077 if (result) { 11078 scheduleWritePackageRestrictionsLocked(userId); 11079 } 11080 return result; 11081 } 11082 11083 @Override 11084 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 11085 synchronized (mPackages) { 11086 return mSettings.getIntentFilterVerificationsLPr(packageName); 11087 } 11088 } 11089 11090 @Override 11091 public List<IntentFilter> getAllIntentFilters(String packageName) { 11092 if (TextUtils.isEmpty(packageName)) { 11093 return Collections.<IntentFilter>emptyList(); 11094 } 11095 synchronized (mPackages) { 11096 PackageParser.Package pkg = mPackages.get(packageName); 11097 if (pkg == null || pkg.activities == null) { 11098 return Collections.<IntentFilter>emptyList(); 11099 } 11100 final int count = pkg.activities.size(); 11101 ArrayList<IntentFilter> result = new ArrayList<>(); 11102 for (int n=0; n<count; n++) { 11103 PackageParser.Activity activity = pkg.activities.get(n); 11104 if (activity.intents != null && activity.intents.size() > 0) { 11105 result.addAll(activity.intents); 11106 } 11107 } 11108 return result; 11109 } 11110 } 11111 11112 @Override 11113 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11114 mContext.enforceCallingOrSelfPermission( 11115 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11116 11117 synchronized (mPackages) { 11118 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11119 if (packageName != null) { 11120 result |= updateIntentVerificationStatus(packageName, 11121 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11122 userId); 11123 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11124 packageName, userId); 11125 } 11126 return result; 11127 } 11128 } 11129 11130 @Override 11131 public String getDefaultBrowserPackageName(int userId) { 11132 synchronized (mPackages) { 11133 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11134 } 11135 } 11136 11137 /** 11138 * Get the "allow unknown sources" setting. 11139 * 11140 * @return the current "allow unknown sources" setting 11141 */ 11142 private int getUnknownSourcesSettings() { 11143 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11144 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 11145 -1); 11146 } 11147 11148 @Override 11149 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11150 final int uid = Binder.getCallingUid(); 11151 // writer 11152 synchronized (mPackages) { 11153 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11154 if (targetPackageSetting == null) { 11155 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11156 } 11157 11158 PackageSetting installerPackageSetting; 11159 if (installerPackageName != null) { 11160 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11161 if (installerPackageSetting == null) { 11162 throw new IllegalArgumentException("Unknown installer package: " 11163 + installerPackageName); 11164 } 11165 } else { 11166 installerPackageSetting = null; 11167 } 11168 11169 Signature[] callerSignature; 11170 Object obj = mSettings.getUserIdLPr(uid); 11171 if (obj != null) { 11172 if (obj instanceof SharedUserSetting) { 11173 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11174 } else if (obj instanceof PackageSetting) { 11175 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11176 } else { 11177 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11178 } 11179 } else { 11180 throw new SecurityException("Unknown calling UID: " + uid); 11181 } 11182 11183 // Verify: can't set installerPackageName to a package that is 11184 // not signed with the same cert as the caller. 11185 if (installerPackageSetting != null) { 11186 if (compareSignatures(callerSignature, 11187 installerPackageSetting.signatures.mSignatures) 11188 != PackageManager.SIGNATURE_MATCH) { 11189 throw new SecurityException( 11190 "Caller does not have same cert as new installer package " 11191 + installerPackageName); 11192 } 11193 } 11194 11195 // Verify: if target already has an installer package, it must 11196 // be signed with the same cert as the caller. 11197 if (targetPackageSetting.installerPackageName != null) { 11198 PackageSetting setting = mSettings.mPackages.get( 11199 targetPackageSetting.installerPackageName); 11200 // If the currently set package isn't valid, then it's always 11201 // okay to change it. 11202 if (setting != null) { 11203 if (compareSignatures(callerSignature, 11204 setting.signatures.mSignatures) 11205 != PackageManager.SIGNATURE_MATCH) { 11206 throw new SecurityException( 11207 "Caller does not have same cert as old installer package " 11208 + targetPackageSetting.installerPackageName); 11209 } 11210 } 11211 } 11212 11213 // Okay! 11214 targetPackageSetting.installerPackageName = installerPackageName; 11215 scheduleWriteSettingsLocked(); 11216 } 11217 } 11218 11219 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11220 // Queue up an async operation since the package installation may take a little while. 11221 mHandler.post(new Runnable() { 11222 public void run() { 11223 mHandler.removeCallbacks(this); 11224 // Result object to be returned 11225 PackageInstalledInfo res = new PackageInstalledInfo(); 11226 res.setReturnCode(currentStatus); 11227 res.uid = -1; 11228 res.pkg = null; 11229 res.removedInfo = null; 11230 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11231 args.doPreInstall(res.returnCode); 11232 synchronized (mInstallLock) { 11233 installPackageTracedLI(args, res); 11234 } 11235 args.doPostInstall(res.returnCode, res.uid); 11236 } 11237 11238 // A restore should be performed at this point if (a) the install 11239 // succeeded, (b) the operation is not an update, and (c) the new 11240 // package has not opted out of backup participation. 11241 final boolean update = res.removedInfo != null 11242 && res.removedInfo.removedPackage != null; 11243 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11244 boolean doRestore = !update 11245 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11246 11247 // Set up the post-install work request bookkeeping. This will be used 11248 // and cleaned up by the post-install event handling regardless of whether 11249 // there's a restore pass performed. Token values are >= 1. 11250 int token; 11251 if (mNextInstallToken < 0) mNextInstallToken = 1; 11252 token = mNextInstallToken++; 11253 11254 PostInstallData data = new PostInstallData(args, res); 11255 mRunningInstalls.put(token, data); 11256 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11257 11258 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11259 // Pass responsibility to the Backup Manager. It will perform a 11260 // restore if appropriate, then pass responsibility back to the 11261 // Package Manager to run the post-install observer callbacks 11262 // and broadcasts. 11263 IBackupManager bm = IBackupManager.Stub.asInterface( 11264 ServiceManager.getService(Context.BACKUP_SERVICE)); 11265 if (bm != null) { 11266 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11267 + " to BM for possible restore"); 11268 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11269 try { 11270 // TODO: http://b/22388012 11271 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11272 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11273 } else { 11274 doRestore = false; 11275 } 11276 } catch (RemoteException e) { 11277 // can't happen; the backup manager is local 11278 } catch (Exception e) { 11279 Slog.e(TAG, "Exception trying to enqueue restore", e); 11280 doRestore = false; 11281 } 11282 } else { 11283 Slog.e(TAG, "Backup Manager not found!"); 11284 doRestore = false; 11285 } 11286 } 11287 11288 if (!doRestore) { 11289 // No restore possible, or the Backup Manager was mysteriously not 11290 // available -- just fire the post-install work request directly. 11291 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11292 11293 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11294 11295 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11296 mHandler.sendMessage(msg); 11297 } 11298 } 11299 }); 11300 } 11301 11302 private abstract class HandlerParams { 11303 private static final int MAX_RETRIES = 4; 11304 11305 /** 11306 * Number of times startCopy() has been attempted and had a non-fatal 11307 * error. 11308 */ 11309 private int mRetries = 0; 11310 11311 /** User handle for the user requesting the information or installation. */ 11312 private final UserHandle mUser; 11313 String traceMethod; 11314 int traceCookie; 11315 11316 HandlerParams(UserHandle user) { 11317 mUser = user; 11318 } 11319 11320 UserHandle getUser() { 11321 return mUser; 11322 } 11323 11324 HandlerParams setTraceMethod(String traceMethod) { 11325 this.traceMethod = traceMethod; 11326 return this; 11327 } 11328 11329 HandlerParams setTraceCookie(int traceCookie) { 11330 this.traceCookie = traceCookie; 11331 return this; 11332 } 11333 11334 final boolean startCopy() { 11335 boolean res; 11336 try { 11337 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11338 11339 if (++mRetries > MAX_RETRIES) { 11340 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11341 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11342 handleServiceError(); 11343 return false; 11344 } else { 11345 handleStartCopy(); 11346 res = true; 11347 } 11348 } catch (RemoteException e) { 11349 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11350 mHandler.sendEmptyMessage(MCS_RECONNECT); 11351 res = false; 11352 } 11353 handleReturnCode(); 11354 return res; 11355 } 11356 11357 final void serviceError() { 11358 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11359 handleServiceError(); 11360 handleReturnCode(); 11361 } 11362 11363 abstract void handleStartCopy() throws RemoteException; 11364 abstract void handleServiceError(); 11365 abstract void handleReturnCode(); 11366 } 11367 11368 class MeasureParams extends HandlerParams { 11369 private final PackageStats mStats; 11370 private boolean mSuccess; 11371 11372 private final IPackageStatsObserver mObserver; 11373 11374 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11375 super(new UserHandle(stats.userHandle)); 11376 mObserver = observer; 11377 mStats = stats; 11378 } 11379 11380 @Override 11381 public String toString() { 11382 return "MeasureParams{" 11383 + Integer.toHexString(System.identityHashCode(this)) 11384 + " " + mStats.packageName + "}"; 11385 } 11386 11387 @Override 11388 void handleStartCopy() throws RemoteException { 11389 synchronized (mInstallLock) { 11390 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11391 } 11392 11393 if (mSuccess) { 11394 final boolean mounted; 11395 if (Environment.isExternalStorageEmulated()) { 11396 mounted = true; 11397 } else { 11398 final String status = Environment.getExternalStorageState(); 11399 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11400 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11401 } 11402 11403 if (mounted) { 11404 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11405 11406 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11407 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11408 11409 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11410 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11411 11412 // Always subtract cache size, since it's a subdirectory 11413 mStats.externalDataSize -= mStats.externalCacheSize; 11414 11415 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11416 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11417 11418 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11419 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11420 } 11421 } 11422 } 11423 11424 @Override 11425 void handleReturnCode() { 11426 if (mObserver != null) { 11427 try { 11428 mObserver.onGetStatsCompleted(mStats, mSuccess); 11429 } catch (RemoteException e) { 11430 Slog.i(TAG, "Observer no longer exists."); 11431 } 11432 } 11433 } 11434 11435 @Override 11436 void handleServiceError() { 11437 Slog.e(TAG, "Could not measure application " + mStats.packageName 11438 + " external storage"); 11439 } 11440 } 11441 11442 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11443 throws RemoteException { 11444 long result = 0; 11445 for (File path : paths) { 11446 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11447 } 11448 return result; 11449 } 11450 11451 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11452 for (File path : paths) { 11453 try { 11454 mcs.clearDirectory(path.getAbsolutePath()); 11455 } catch (RemoteException e) { 11456 } 11457 } 11458 } 11459 11460 static class OriginInfo { 11461 /** 11462 * Location where install is coming from, before it has been 11463 * copied/renamed into place. This could be a single monolithic APK 11464 * file, or a cluster directory. This location may be untrusted. 11465 */ 11466 final File file; 11467 final String cid; 11468 11469 /** 11470 * Flag indicating that {@link #file} or {@link #cid} has already been 11471 * staged, meaning downstream users don't need to defensively copy the 11472 * contents. 11473 */ 11474 final boolean staged; 11475 11476 /** 11477 * Flag indicating that {@link #file} or {@link #cid} is an already 11478 * installed app that is being moved. 11479 */ 11480 final boolean existing; 11481 11482 final String resolvedPath; 11483 final File resolvedFile; 11484 11485 static OriginInfo fromNothing() { 11486 return new OriginInfo(null, null, false, false); 11487 } 11488 11489 static OriginInfo fromUntrustedFile(File file) { 11490 return new OriginInfo(file, null, false, false); 11491 } 11492 11493 static OriginInfo fromExistingFile(File file) { 11494 return new OriginInfo(file, null, false, true); 11495 } 11496 11497 static OriginInfo fromStagedFile(File file) { 11498 return new OriginInfo(file, null, true, false); 11499 } 11500 11501 static OriginInfo fromStagedContainer(String cid) { 11502 return new OriginInfo(null, cid, true, false); 11503 } 11504 11505 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 11506 this.file = file; 11507 this.cid = cid; 11508 this.staged = staged; 11509 this.existing = existing; 11510 11511 if (cid != null) { 11512 resolvedPath = PackageHelper.getSdDir(cid); 11513 resolvedFile = new File(resolvedPath); 11514 } else if (file != null) { 11515 resolvedPath = file.getAbsolutePath(); 11516 resolvedFile = file; 11517 } else { 11518 resolvedPath = null; 11519 resolvedFile = null; 11520 } 11521 } 11522 } 11523 11524 static class MoveInfo { 11525 final int moveId; 11526 final String fromUuid; 11527 final String toUuid; 11528 final String packageName; 11529 final String dataAppName; 11530 final int appId; 11531 final String seinfo; 11532 final int targetSdkVersion; 11533 11534 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11535 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 11536 this.moveId = moveId; 11537 this.fromUuid = fromUuid; 11538 this.toUuid = toUuid; 11539 this.packageName = packageName; 11540 this.dataAppName = dataAppName; 11541 this.appId = appId; 11542 this.seinfo = seinfo; 11543 this.targetSdkVersion = targetSdkVersion; 11544 } 11545 } 11546 11547 static class VerificationInfo { 11548 /** A constant used to indicate that a uid value is not present. */ 11549 public static final int NO_UID = -1; 11550 11551 /** URI referencing where the package was downloaded from. */ 11552 final Uri originatingUri; 11553 11554 /** HTTP referrer URI associated with the originatingURI. */ 11555 final Uri referrer; 11556 11557 /** UID of the application that the install request originated from. */ 11558 final int originatingUid; 11559 11560 /** UID of application requesting the install */ 11561 final int installerUid; 11562 11563 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 11564 this.originatingUri = originatingUri; 11565 this.referrer = referrer; 11566 this.originatingUid = originatingUid; 11567 this.installerUid = installerUid; 11568 } 11569 } 11570 11571 class InstallParams extends HandlerParams { 11572 final OriginInfo origin; 11573 final MoveInfo move; 11574 final IPackageInstallObserver2 observer; 11575 int installFlags; 11576 final String installerPackageName; 11577 final String volumeUuid; 11578 private InstallArgs mArgs; 11579 private int mRet; 11580 final String packageAbiOverride; 11581 final String[] grantedRuntimePermissions; 11582 final VerificationInfo verificationInfo; 11583 11584 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11585 int installFlags, String installerPackageName, String volumeUuid, 11586 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 11587 String[] grantedPermissions) { 11588 super(user); 11589 this.origin = origin; 11590 this.move = move; 11591 this.observer = observer; 11592 this.installFlags = installFlags; 11593 this.installerPackageName = installerPackageName; 11594 this.volumeUuid = volumeUuid; 11595 this.verificationInfo = verificationInfo; 11596 this.packageAbiOverride = packageAbiOverride; 11597 this.grantedRuntimePermissions = grantedPermissions; 11598 } 11599 11600 @Override 11601 public String toString() { 11602 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11603 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11604 } 11605 11606 private int installLocationPolicy(PackageInfoLite pkgLite) { 11607 String packageName = pkgLite.packageName; 11608 int installLocation = pkgLite.installLocation; 11609 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11610 // reader 11611 synchronized (mPackages) { 11612 // Currently installed package which the new package is attempting to replace or 11613 // null if no such package is installed. 11614 PackageParser.Package installedPkg = mPackages.get(packageName); 11615 // Package which currently owns the data which the new package will own if installed. 11616 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 11617 // will be null whereas dataOwnerPkg will contain information about the package 11618 // which was uninstalled while keeping its data. 11619 PackageParser.Package dataOwnerPkg = installedPkg; 11620 if (dataOwnerPkg == null) { 11621 PackageSetting ps = mSettings.mPackages.get(packageName); 11622 if (ps != null) { 11623 dataOwnerPkg = ps.pkg; 11624 } 11625 } 11626 11627 if (dataOwnerPkg != null) { 11628 // If installed, the package will get access to data left on the device by its 11629 // predecessor. As a security measure, this is permited only if this is not a 11630 // version downgrade or if the predecessor package is marked as debuggable and 11631 // a downgrade is explicitly requested. 11632 if (((dataOwnerPkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0) 11633 || ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0)) { 11634 try { 11635 checkDowngrade(dataOwnerPkg, pkgLite); 11636 } catch (PackageManagerException e) { 11637 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11638 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11639 } 11640 } 11641 } 11642 11643 if (installedPkg != null) { 11644 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11645 // Check for updated system application. 11646 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11647 if (onSd) { 11648 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11649 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11650 } 11651 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11652 } else { 11653 if (onSd) { 11654 // Install flag overrides everything. 11655 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11656 } 11657 // If current upgrade specifies particular preference 11658 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11659 // Application explicitly specified internal. 11660 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11661 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11662 // App explictly prefers external. Let policy decide 11663 } else { 11664 // Prefer previous location 11665 if (isExternal(installedPkg)) { 11666 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11667 } 11668 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11669 } 11670 } 11671 } else { 11672 // Invalid install. Return error code 11673 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11674 } 11675 } 11676 } 11677 // All the special cases have been taken care of. 11678 // Return result based on recommended install location. 11679 if (onSd) { 11680 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11681 } 11682 return pkgLite.recommendedInstallLocation; 11683 } 11684 11685 /* 11686 * Invoke remote method to get package information and install 11687 * location values. Override install location based on default 11688 * policy if needed and then create install arguments based 11689 * on the install location. 11690 */ 11691 public void handleStartCopy() throws RemoteException { 11692 int ret = PackageManager.INSTALL_SUCCEEDED; 11693 11694 // If we're already staged, we've firmly committed to an install location 11695 if (origin.staged) { 11696 if (origin.file != null) { 11697 installFlags |= PackageManager.INSTALL_INTERNAL; 11698 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11699 } else if (origin.cid != null) { 11700 installFlags |= PackageManager.INSTALL_EXTERNAL; 11701 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11702 } else { 11703 throw new IllegalStateException("Invalid stage location"); 11704 } 11705 } 11706 11707 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11708 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11709 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11710 PackageInfoLite pkgLite = null; 11711 11712 if (onInt && onSd) { 11713 // Check if both bits are set. 11714 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11715 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11716 } else if (onSd && ephemeral) { 11717 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11718 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11719 } else { 11720 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11721 packageAbiOverride); 11722 11723 if (DEBUG_EPHEMERAL && ephemeral) { 11724 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11725 } 11726 11727 /* 11728 * If we have too little free space, try to free cache 11729 * before giving up. 11730 */ 11731 if (!origin.staged && pkgLite.recommendedInstallLocation 11732 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11733 // TODO: focus freeing disk space on the target device 11734 final StorageManager storage = StorageManager.from(mContext); 11735 final long lowThreshold = storage.getStorageLowBytes( 11736 Environment.getDataDirectory()); 11737 11738 final long sizeBytes = mContainerService.calculateInstalledSize( 11739 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11740 11741 try { 11742 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11743 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11744 installFlags, packageAbiOverride); 11745 } catch (InstallerException e) { 11746 Slog.w(TAG, "Failed to free cache", e); 11747 } 11748 11749 /* 11750 * The cache free must have deleted the file we 11751 * downloaded to install. 11752 * 11753 * TODO: fix the "freeCache" call to not delete 11754 * the file we care about. 11755 */ 11756 if (pkgLite.recommendedInstallLocation 11757 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11758 pkgLite.recommendedInstallLocation 11759 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11760 } 11761 } 11762 } 11763 11764 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11765 int loc = pkgLite.recommendedInstallLocation; 11766 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11767 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11768 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11769 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11770 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11771 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11772 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11773 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11774 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11775 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11776 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11777 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11778 } else { 11779 // Override with defaults if needed. 11780 loc = installLocationPolicy(pkgLite); 11781 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11782 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11783 } else if (!onSd && !onInt) { 11784 // Override install location with flags 11785 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11786 // Set the flag to install on external media. 11787 installFlags |= PackageManager.INSTALL_EXTERNAL; 11788 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11789 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11790 if (DEBUG_EPHEMERAL) { 11791 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11792 } 11793 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11794 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11795 |PackageManager.INSTALL_INTERNAL); 11796 } else { 11797 // Make sure the flag for installing on external 11798 // media is unset 11799 installFlags |= PackageManager.INSTALL_INTERNAL; 11800 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11801 } 11802 } 11803 } 11804 } 11805 11806 final InstallArgs args = createInstallArgs(this); 11807 mArgs = args; 11808 11809 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11810 // TODO: http://b/22976637 11811 // Apps installed for "all" users use the device owner to verify the app 11812 UserHandle verifierUser = getUser(); 11813 if (verifierUser == UserHandle.ALL) { 11814 verifierUser = UserHandle.SYSTEM; 11815 } 11816 11817 /* 11818 * Determine if we have any installed package verifiers. If we 11819 * do, then we'll defer to them to verify the packages. 11820 */ 11821 final int requiredUid = mRequiredVerifierPackage == null ? -1 11822 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11823 verifierUser.getIdentifier()); 11824 if (!origin.existing && requiredUid != -1 11825 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11826 final Intent verification = new Intent( 11827 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11828 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11829 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11830 PACKAGE_MIME_TYPE); 11831 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11832 11833 // Query all live verifiers based on current user state 11834 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 11835 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11836 11837 if (DEBUG_VERIFY) { 11838 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11839 + verification.toString() + " with " + pkgLite.verifiers.length 11840 + " optional verifiers"); 11841 } 11842 11843 final int verificationId = mPendingVerificationToken++; 11844 11845 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11846 11847 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11848 installerPackageName); 11849 11850 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11851 installFlags); 11852 11853 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11854 pkgLite.packageName); 11855 11856 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11857 pkgLite.versionCode); 11858 11859 if (verificationInfo != null) { 11860 if (verificationInfo.originatingUri != null) { 11861 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11862 verificationInfo.originatingUri); 11863 } 11864 if (verificationInfo.referrer != null) { 11865 verification.putExtra(Intent.EXTRA_REFERRER, 11866 verificationInfo.referrer); 11867 } 11868 if (verificationInfo.originatingUid >= 0) { 11869 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11870 verificationInfo.originatingUid); 11871 } 11872 if (verificationInfo.installerUid >= 0) { 11873 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11874 verificationInfo.installerUid); 11875 } 11876 } 11877 11878 final PackageVerificationState verificationState = new PackageVerificationState( 11879 requiredUid, args); 11880 11881 mPendingVerification.append(verificationId, verificationState); 11882 11883 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11884 receivers, verificationState); 11885 11886 /* 11887 * If any sufficient verifiers were listed in the package 11888 * manifest, attempt to ask them. 11889 */ 11890 if (sufficientVerifiers != null) { 11891 final int N = sufficientVerifiers.size(); 11892 if (N == 0) { 11893 Slog.i(TAG, "Additional verifiers required, but none installed."); 11894 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11895 } else { 11896 for (int i = 0; i < N; i++) { 11897 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11898 11899 final Intent sufficientIntent = new Intent(verification); 11900 sufficientIntent.setComponent(verifierComponent); 11901 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11902 } 11903 } 11904 } 11905 11906 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11907 mRequiredVerifierPackage, receivers); 11908 if (ret == PackageManager.INSTALL_SUCCEEDED 11909 && mRequiredVerifierPackage != null) { 11910 Trace.asyncTraceBegin( 11911 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11912 /* 11913 * Send the intent to the required verification agent, 11914 * but only start the verification timeout after the 11915 * target BroadcastReceivers have run. 11916 */ 11917 verification.setComponent(requiredVerifierComponent); 11918 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11919 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11920 new BroadcastReceiver() { 11921 @Override 11922 public void onReceive(Context context, Intent intent) { 11923 final Message msg = mHandler 11924 .obtainMessage(CHECK_PENDING_VERIFICATION); 11925 msg.arg1 = verificationId; 11926 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11927 } 11928 }, null, 0, null, null); 11929 11930 /* 11931 * We don't want the copy to proceed until verification 11932 * succeeds, so null out this field. 11933 */ 11934 mArgs = null; 11935 } 11936 } else { 11937 /* 11938 * No package verification is enabled, so immediately start 11939 * the remote call to initiate copy using temporary file. 11940 */ 11941 ret = args.copyApk(mContainerService, true); 11942 } 11943 } 11944 11945 mRet = ret; 11946 } 11947 11948 @Override 11949 void handleReturnCode() { 11950 // If mArgs is null, then MCS couldn't be reached. When it 11951 // reconnects, it will try again to install. At that point, this 11952 // will succeed. 11953 if (mArgs != null) { 11954 processPendingInstall(mArgs, mRet); 11955 } 11956 } 11957 11958 @Override 11959 void handleServiceError() { 11960 mArgs = createInstallArgs(this); 11961 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11962 } 11963 11964 public boolean isForwardLocked() { 11965 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11966 } 11967 } 11968 11969 /** 11970 * Used during creation of InstallArgs 11971 * 11972 * @param installFlags package installation flags 11973 * @return true if should be installed on external storage 11974 */ 11975 private static boolean installOnExternalAsec(int installFlags) { 11976 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11977 return false; 11978 } 11979 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11980 return true; 11981 } 11982 return false; 11983 } 11984 11985 /** 11986 * Used during creation of InstallArgs 11987 * 11988 * @param installFlags package installation flags 11989 * @return true if should be installed as forward locked 11990 */ 11991 private static boolean installForwardLocked(int installFlags) { 11992 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11993 } 11994 11995 private InstallArgs createInstallArgs(InstallParams params) { 11996 if (params.move != null) { 11997 return new MoveInstallArgs(params); 11998 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11999 return new AsecInstallArgs(params); 12000 } else { 12001 return new FileInstallArgs(params); 12002 } 12003 } 12004 12005 /** 12006 * Create args that describe an existing installed package. Typically used 12007 * when cleaning up old installs, or used as a move source. 12008 */ 12009 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12010 String resourcePath, String[] instructionSets) { 12011 final boolean isInAsec; 12012 if (installOnExternalAsec(installFlags)) { 12013 /* Apps on SD card are always in ASEC containers. */ 12014 isInAsec = true; 12015 } else if (installForwardLocked(installFlags) 12016 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12017 /* 12018 * Forward-locked apps are only in ASEC containers if they're the 12019 * new style 12020 */ 12021 isInAsec = true; 12022 } else { 12023 isInAsec = false; 12024 } 12025 12026 if (isInAsec) { 12027 return new AsecInstallArgs(codePath, instructionSets, 12028 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12029 } else { 12030 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12031 } 12032 } 12033 12034 static abstract class InstallArgs { 12035 /** @see InstallParams#origin */ 12036 final OriginInfo origin; 12037 /** @see InstallParams#move */ 12038 final MoveInfo move; 12039 12040 final IPackageInstallObserver2 observer; 12041 // Always refers to PackageManager flags only 12042 final int installFlags; 12043 final String installerPackageName; 12044 final String volumeUuid; 12045 final UserHandle user; 12046 final String abiOverride; 12047 final String[] installGrantPermissions; 12048 /** If non-null, drop an async trace when the install completes */ 12049 final String traceMethod; 12050 final int traceCookie; 12051 12052 // The list of instruction sets supported by this app. This is currently 12053 // only used during the rmdex() phase to clean up resources. We can get rid of this 12054 // if we move dex files under the common app path. 12055 /* nullable */ String[] instructionSets; 12056 12057 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12058 int installFlags, String installerPackageName, String volumeUuid, 12059 UserHandle user, String[] instructionSets, 12060 String abiOverride, String[] installGrantPermissions, 12061 String traceMethod, int traceCookie) { 12062 this.origin = origin; 12063 this.move = move; 12064 this.installFlags = installFlags; 12065 this.observer = observer; 12066 this.installerPackageName = installerPackageName; 12067 this.volumeUuid = volumeUuid; 12068 this.user = user; 12069 this.instructionSets = instructionSets; 12070 this.abiOverride = abiOverride; 12071 this.installGrantPermissions = installGrantPermissions; 12072 this.traceMethod = traceMethod; 12073 this.traceCookie = traceCookie; 12074 } 12075 12076 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12077 abstract int doPreInstall(int status); 12078 12079 /** 12080 * Rename package into final resting place. All paths on the given 12081 * scanned package should be updated to reflect the rename. 12082 */ 12083 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12084 abstract int doPostInstall(int status, int uid); 12085 12086 /** @see PackageSettingBase#codePathString */ 12087 abstract String getCodePath(); 12088 /** @see PackageSettingBase#resourcePathString */ 12089 abstract String getResourcePath(); 12090 12091 // Need installer lock especially for dex file removal. 12092 abstract void cleanUpResourcesLI(); 12093 abstract boolean doPostDeleteLI(boolean delete); 12094 12095 /** 12096 * Called before the source arguments are copied. This is used mostly 12097 * for MoveParams when it needs to read the source file to put it in the 12098 * destination. 12099 */ 12100 int doPreCopy() { 12101 return PackageManager.INSTALL_SUCCEEDED; 12102 } 12103 12104 /** 12105 * Called after the source arguments are copied. This is used mostly for 12106 * MoveParams when it needs to read the source file to put it in the 12107 * destination. 12108 * 12109 * @return 12110 */ 12111 int doPostCopy(int uid) { 12112 return PackageManager.INSTALL_SUCCEEDED; 12113 } 12114 12115 protected boolean isFwdLocked() { 12116 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12117 } 12118 12119 protected boolean isExternalAsec() { 12120 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12121 } 12122 12123 protected boolean isEphemeral() { 12124 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12125 } 12126 12127 UserHandle getUser() { 12128 return user; 12129 } 12130 } 12131 12132 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12133 if (!allCodePaths.isEmpty()) { 12134 if (instructionSets == null) { 12135 throw new IllegalStateException("instructionSet == null"); 12136 } 12137 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12138 for (String codePath : allCodePaths) { 12139 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12140 try { 12141 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12142 } catch (InstallerException ignored) { 12143 } 12144 } 12145 } 12146 } 12147 } 12148 12149 /** 12150 * Logic to handle installation of non-ASEC applications, including copying 12151 * and renaming logic. 12152 */ 12153 class FileInstallArgs extends InstallArgs { 12154 private File codeFile; 12155 private File resourceFile; 12156 12157 // Example topology: 12158 // /data/app/com.example/base.apk 12159 // /data/app/com.example/split_foo.apk 12160 // /data/app/com.example/lib/arm/libfoo.so 12161 // /data/app/com.example/lib/arm64/libfoo.so 12162 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12163 12164 /** New install */ 12165 FileInstallArgs(InstallParams params) { 12166 super(params.origin, params.move, params.observer, params.installFlags, 12167 params.installerPackageName, params.volumeUuid, 12168 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12169 params.grantedRuntimePermissions, 12170 params.traceMethod, params.traceCookie); 12171 if (isFwdLocked()) { 12172 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12173 } 12174 } 12175 12176 /** Existing install */ 12177 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12178 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12179 null, null, null, 0); 12180 this.codeFile = (codePath != null) ? new File(codePath) : null; 12181 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12182 } 12183 12184 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12185 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12186 try { 12187 return doCopyApk(imcs, temp); 12188 } finally { 12189 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12190 } 12191 } 12192 12193 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12194 if (origin.staged) { 12195 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12196 codeFile = origin.file; 12197 resourceFile = origin.file; 12198 return PackageManager.INSTALL_SUCCEEDED; 12199 } 12200 12201 try { 12202 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12203 final File tempDir = 12204 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12205 codeFile = tempDir; 12206 resourceFile = tempDir; 12207 } catch (IOException e) { 12208 Slog.w(TAG, "Failed to create copy file: " + e); 12209 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12210 } 12211 12212 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12213 @Override 12214 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12215 if (!FileUtils.isValidExtFilename(name)) { 12216 throw new IllegalArgumentException("Invalid filename: " + name); 12217 } 12218 try { 12219 final File file = new File(codeFile, name); 12220 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12221 O_RDWR | O_CREAT, 0644); 12222 Os.chmod(file.getAbsolutePath(), 0644); 12223 return new ParcelFileDescriptor(fd); 12224 } catch (ErrnoException e) { 12225 throw new RemoteException("Failed to open: " + e.getMessage()); 12226 } 12227 } 12228 }; 12229 12230 int ret = PackageManager.INSTALL_SUCCEEDED; 12231 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12232 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12233 Slog.e(TAG, "Failed to copy package"); 12234 return ret; 12235 } 12236 12237 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12238 NativeLibraryHelper.Handle handle = null; 12239 try { 12240 handle = NativeLibraryHelper.Handle.create(codeFile); 12241 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12242 abiOverride); 12243 } catch (IOException e) { 12244 Slog.e(TAG, "Copying native libraries failed", e); 12245 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12246 } finally { 12247 IoUtils.closeQuietly(handle); 12248 } 12249 12250 return ret; 12251 } 12252 12253 int doPreInstall(int status) { 12254 if (status != PackageManager.INSTALL_SUCCEEDED) { 12255 cleanUp(); 12256 } 12257 return status; 12258 } 12259 12260 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12261 if (status != PackageManager.INSTALL_SUCCEEDED) { 12262 cleanUp(); 12263 return false; 12264 } 12265 12266 final File targetDir = codeFile.getParentFile(); 12267 final File beforeCodeFile = codeFile; 12268 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12269 12270 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12271 try { 12272 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12273 } catch (ErrnoException e) { 12274 Slog.w(TAG, "Failed to rename", e); 12275 return false; 12276 } 12277 12278 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12279 Slog.w(TAG, "Failed to restorecon"); 12280 return false; 12281 } 12282 12283 // Reflect the rename internally 12284 codeFile = afterCodeFile; 12285 resourceFile = afterCodeFile; 12286 12287 // Reflect the rename in scanned details 12288 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12289 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12290 afterCodeFile, pkg.baseCodePath)); 12291 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12292 afterCodeFile, pkg.splitCodePaths)); 12293 12294 // Reflect the rename in app info 12295 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12296 pkg.setApplicationInfoCodePath(pkg.codePath); 12297 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12298 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12299 pkg.setApplicationInfoResourcePath(pkg.codePath); 12300 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12301 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12302 12303 return true; 12304 } 12305 12306 int doPostInstall(int status, int uid) { 12307 if (status != PackageManager.INSTALL_SUCCEEDED) { 12308 cleanUp(); 12309 } 12310 return status; 12311 } 12312 12313 @Override 12314 String getCodePath() { 12315 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12316 } 12317 12318 @Override 12319 String getResourcePath() { 12320 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12321 } 12322 12323 private boolean cleanUp() { 12324 if (codeFile == null || !codeFile.exists()) { 12325 return false; 12326 } 12327 12328 removeCodePathLI(codeFile); 12329 12330 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12331 resourceFile.delete(); 12332 } 12333 12334 return true; 12335 } 12336 12337 void cleanUpResourcesLI() { 12338 // Try enumerating all code paths before deleting 12339 List<String> allCodePaths = Collections.EMPTY_LIST; 12340 if (codeFile != null && codeFile.exists()) { 12341 try { 12342 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12343 allCodePaths = pkg.getAllCodePaths(); 12344 } catch (PackageParserException e) { 12345 // Ignored; we tried our best 12346 } 12347 } 12348 12349 cleanUp(); 12350 removeDexFiles(allCodePaths, instructionSets); 12351 } 12352 12353 boolean doPostDeleteLI(boolean delete) { 12354 // XXX err, shouldn't we respect the delete flag? 12355 cleanUpResourcesLI(); 12356 return true; 12357 } 12358 } 12359 12360 private boolean isAsecExternal(String cid) { 12361 final String asecPath = PackageHelper.getSdFilesystem(cid); 12362 return !asecPath.startsWith(mAsecInternalPath); 12363 } 12364 12365 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12366 PackageManagerException { 12367 if (copyRet < 0) { 12368 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12369 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12370 throw new PackageManagerException(copyRet, message); 12371 } 12372 } 12373 } 12374 12375 /** 12376 * Extract the MountService "container ID" from the full code path of an 12377 * .apk. 12378 */ 12379 static String cidFromCodePath(String fullCodePath) { 12380 int eidx = fullCodePath.lastIndexOf("/"); 12381 String subStr1 = fullCodePath.substring(0, eidx); 12382 int sidx = subStr1.lastIndexOf("/"); 12383 return subStr1.substring(sidx+1, eidx); 12384 } 12385 12386 /** 12387 * Logic to handle installation of ASEC applications, including copying and 12388 * renaming logic. 12389 */ 12390 class AsecInstallArgs extends InstallArgs { 12391 static final String RES_FILE_NAME = "pkg.apk"; 12392 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12393 12394 String cid; 12395 String packagePath; 12396 String resourcePath; 12397 12398 /** New install */ 12399 AsecInstallArgs(InstallParams params) { 12400 super(params.origin, params.move, params.observer, params.installFlags, 12401 params.installerPackageName, params.volumeUuid, 12402 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12403 params.grantedRuntimePermissions, 12404 params.traceMethod, params.traceCookie); 12405 } 12406 12407 /** Existing install */ 12408 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12409 boolean isExternal, boolean isForwardLocked) { 12410 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12411 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12412 instructionSets, null, null, null, 0); 12413 // Hackily pretend we're still looking at a full code path 12414 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12415 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12416 } 12417 12418 // Extract cid from fullCodePath 12419 int eidx = fullCodePath.lastIndexOf("/"); 12420 String subStr1 = fullCodePath.substring(0, eidx); 12421 int sidx = subStr1.lastIndexOf("/"); 12422 cid = subStr1.substring(sidx+1, eidx); 12423 setMountPath(subStr1); 12424 } 12425 12426 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12427 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12428 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12429 instructionSets, null, null, null, 0); 12430 this.cid = cid; 12431 setMountPath(PackageHelper.getSdDir(cid)); 12432 } 12433 12434 void createCopyFile() { 12435 cid = mInstallerService.allocateExternalStageCidLegacy(); 12436 } 12437 12438 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12439 if (origin.staged && origin.cid != null) { 12440 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12441 cid = origin.cid; 12442 setMountPath(PackageHelper.getSdDir(cid)); 12443 return PackageManager.INSTALL_SUCCEEDED; 12444 } 12445 12446 if (temp) { 12447 createCopyFile(); 12448 } else { 12449 /* 12450 * Pre-emptively destroy the container since it's destroyed if 12451 * copying fails due to it existing anyway. 12452 */ 12453 PackageHelper.destroySdDir(cid); 12454 } 12455 12456 final String newMountPath = imcs.copyPackageToContainer( 12457 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12458 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12459 12460 if (newMountPath != null) { 12461 setMountPath(newMountPath); 12462 return PackageManager.INSTALL_SUCCEEDED; 12463 } else { 12464 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12465 } 12466 } 12467 12468 @Override 12469 String getCodePath() { 12470 return packagePath; 12471 } 12472 12473 @Override 12474 String getResourcePath() { 12475 return resourcePath; 12476 } 12477 12478 int doPreInstall(int status) { 12479 if (status != PackageManager.INSTALL_SUCCEEDED) { 12480 // Destroy container 12481 PackageHelper.destroySdDir(cid); 12482 } else { 12483 boolean mounted = PackageHelper.isContainerMounted(cid); 12484 if (!mounted) { 12485 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 12486 Process.SYSTEM_UID); 12487 if (newMountPath != null) { 12488 setMountPath(newMountPath); 12489 } else { 12490 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12491 } 12492 } 12493 } 12494 return status; 12495 } 12496 12497 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12498 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 12499 String newMountPath = null; 12500 if (PackageHelper.isContainerMounted(cid)) { 12501 // Unmount the container 12502 if (!PackageHelper.unMountSdDir(cid)) { 12503 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 12504 return false; 12505 } 12506 } 12507 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12508 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 12509 " which might be stale. Will try to clean up."); 12510 // Clean up the stale container and proceed to recreate. 12511 if (!PackageHelper.destroySdDir(newCacheId)) { 12512 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 12513 return false; 12514 } 12515 // Successfully cleaned up stale container. Try to rename again. 12516 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12517 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 12518 + " inspite of cleaning it up."); 12519 return false; 12520 } 12521 } 12522 if (!PackageHelper.isContainerMounted(newCacheId)) { 12523 Slog.w(TAG, "Mounting container " + newCacheId); 12524 newMountPath = PackageHelper.mountSdDir(newCacheId, 12525 getEncryptKey(), Process.SYSTEM_UID); 12526 } else { 12527 newMountPath = PackageHelper.getSdDir(newCacheId); 12528 } 12529 if (newMountPath == null) { 12530 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 12531 return false; 12532 } 12533 Log.i(TAG, "Succesfully renamed " + cid + 12534 " to " + newCacheId + 12535 " at new path: " + newMountPath); 12536 cid = newCacheId; 12537 12538 final File beforeCodeFile = new File(packagePath); 12539 setMountPath(newMountPath); 12540 final File afterCodeFile = new File(packagePath); 12541 12542 // Reflect the rename in scanned details 12543 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12544 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12545 afterCodeFile, pkg.baseCodePath)); 12546 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12547 afterCodeFile, pkg.splitCodePaths)); 12548 12549 // Reflect the rename in app info 12550 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12551 pkg.setApplicationInfoCodePath(pkg.codePath); 12552 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12553 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12554 pkg.setApplicationInfoResourcePath(pkg.codePath); 12555 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12556 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12557 12558 return true; 12559 } 12560 12561 private void setMountPath(String mountPath) { 12562 final File mountFile = new File(mountPath); 12563 12564 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12565 if (monolithicFile.exists()) { 12566 packagePath = monolithicFile.getAbsolutePath(); 12567 if (isFwdLocked()) { 12568 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12569 } else { 12570 resourcePath = packagePath; 12571 } 12572 } else { 12573 packagePath = mountFile.getAbsolutePath(); 12574 resourcePath = packagePath; 12575 } 12576 } 12577 12578 int doPostInstall(int status, int uid) { 12579 if (status != PackageManager.INSTALL_SUCCEEDED) { 12580 cleanUp(); 12581 } else { 12582 final int groupOwner; 12583 final String protectedFile; 12584 if (isFwdLocked()) { 12585 groupOwner = UserHandle.getSharedAppGid(uid); 12586 protectedFile = RES_FILE_NAME; 12587 } else { 12588 groupOwner = -1; 12589 protectedFile = null; 12590 } 12591 12592 if (uid < Process.FIRST_APPLICATION_UID 12593 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12594 Slog.e(TAG, "Failed to finalize " + cid); 12595 PackageHelper.destroySdDir(cid); 12596 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12597 } 12598 12599 boolean mounted = PackageHelper.isContainerMounted(cid); 12600 if (!mounted) { 12601 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12602 } 12603 } 12604 return status; 12605 } 12606 12607 private void cleanUp() { 12608 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12609 12610 // Destroy secure container 12611 PackageHelper.destroySdDir(cid); 12612 } 12613 12614 private List<String> getAllCodePaths() { 12615 final File codeFile = new File(getCodePath()); 12616 if (codeFile != null && codeFile.exists()) { 12617 try { 12618 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12619 return pkg.getAllCodePaths(); 12620 } catch (PackageParserException e) { 12621 // Ignored; we tried our best 12622 } 12623 } 12624 return Collections.EMPTY_LIST; 12625 } 12626 12627 void cleanUpResourcesLI() { 12628 // Enumerate all code paths before deleting 12629 cleanUpResourcesLI(getAllCodePaths()); 12630 } 12631 12632 private void cleanUpResourcesLI(List<String> allCodePaths) { 12633 cleanUp(); 12634 removeDexFiles(allCodePaths, instructionSets); 12635 } 12636 12637 String getPackageName() { 12638 return getAsecPackageName(cid); 12639 } 12640 12641 boolean doPostDeleteLI(boolean delete) { 12642 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12643 final List<String> allCodePaths = getAllCodePaths(); 12644 boolean mounted = PackageHelper.isContainerMounted(cid); 12645 if (mounted) { 12646 // Unmount first 12647 if (PackageHelper.unMountSdDir(cid)) { 12648 mounted = false; 12649 } 12650 } 12651 if (!mounted && delete) { 12652 cleanUpResourcesLI(allCodePaths); 12653 } 12654 return !mounted; 12655 } 12656 12657 @Override 12658 int doPreCopy() { 12659 if (isFwdLocked()) { 12660 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12661 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12662 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12663 } 12664 } 12665 12666 return PackageManager.INSTALL_SUCCEEDED; 12667 } 12668 12669 @Override 12670 int doPostCopy(int uid) { 12671 if (isFwdLocked()) { 12672 if (uid < Process.FIRST_APPLICATION_UID 12673 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12674 RES_FILE_NAME)) { 12675 Slog.e(TAG, "Failed to finalize " + cid); 12676 PackageHelper.destroySdDir(cid); 12677 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12678 } 12679 } 12680 12681 return PackageManager.INSTALL_SUCCEEDED; 12682 } 12683 } 12684 12685 /** 12686 * Logic to handle movement of existing installed applications. 12687 */ 12688 class MoveInstallArgs extends InstallArgs { 12689 private File codeFile; 12690 private File resourceFile; 12691 12692 /** New install */ 12693 MoveInstallArgs(InstallParams params) { 12694 super(params.origin, params.move, params.observer, params.installFlags, 12695 params.installerPackageName, params.volumeUuid, 12696 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12697 params.grantedRuntimePermissions, 12698 params.traceMethod, params.traceCookie); 12699 } 12700 12701 int copyApk(IMediaContainerService imcs, boolean temp) { 12702 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12703 + move.fromUuid + " to " + move.toUuid); 12704 synchronized (mInstaller) { 12705 try { 12706 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12707 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 12708 } catch (InstallerException e) { 12709 Slog.w(TAG, "Failed to move app", e); 12710 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12711 } 12712 } 12713 12714 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12715 resourceFile = codeFile; 12716 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12717 12718 return PackageManager.INSTALL_SUCCEEDED; 12719 } 12720 12721 int doPreInstall(int status) { 12722 if (status != PackageManager.INSTALL_SUCCEEDED) { 12723 cleanUp(move.toUuid); 12724 } 12725 return status; 12726 } 12727 12728 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12729 if (status != PackageManager.INSTALL_SUCCEEDED) { 12730 cleanUp(move.toUuid); 12731 return false; 12732 } 12733 12734 // Reflect the move in app info 12735 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12736 pkg.setApplicationInfoCodePath(pkg.codePath); 12737 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12738 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12739 pkg.setApplicationInfoResourcePath(pkg.codePath); 12740 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12741 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12742 12743 return true; 12744 } 12745 12746 int doPostInstall(int status, int uid) { 12747 if (status == PackageManager.INSTALL_SUCCEEDED) { 12748 cleanUp(move.fromUuid); 12749 } else { 12750 cleanUp(move.toUuid); 12751 } 12752 return status; 12753 } 12754 12755 @Override 12756 String getCodePath() { 12757 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12758 } 12759 12760 @Override 12761 String getResourcePath() { 12762 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12763 } 12764 12765 private boolean cleanUp(String volumeUuid) { 12766 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12767 move.dataAppName); 12768 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12769 synchronized (mInstallLock) { 12770 // Clean up both app data and code 12771 removeDataDirsLI(volumeUuid, move.packageName); 12772 removeCodePathLI(codeFile); 12773 } 12774 return true; 12775 } 12776 12777 void cleanUpResourcesLI() { 12778 throw new UnsupportedOperationException(); 12779 } 12780 12781 boolean doPostDeleteLI(boolean delete) { 12782 throw new UnsupportedOperationException(); 12783 } 12784 } 12785 12786 static String getAsecPackageName(String packageCid) { 12787 int idx = packageCid.lastIndexOf("-"); 12788 if (idx == -1) { 12789 return packageCid; 12790 } 12791 return packageCid.substring(0, idx); 12792 } 12793 12794 // Utility method used to create code paths based on package name and available index. 12795 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12796 String idxStr = ""; 12797 int idx = 1; 12798 // Fall back to default value of idx=1 if prefix is not 12799 // part of oldCodePath 12800 if (oldCodePath != null) { 12801 String subStr = oldCodePath; 12802 // Drop the suffix right away 12803 if (suffix != null && subStr.endsWith(suffix)) { 12804 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12805 } 12806 // If oldCodePath already contains prefix find out the 12807 // ending index to either increment or decrement. 12808 int sidx = subStr.lastIndexOf(prefix); 12809 if (sidx != -1) { 12810 subStr = subStr.substring(sidx + prefix.length()); 12811 if (subStr != null) { 12812 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12813 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12814 } 12815 try { 12816 idx = Integer.parseInt(subStr); 12817 if (idx <= 1) { 12818 idx++; 12819 } else { 12820 idx--; 12821 } 12822 } catch(NumberFormatException e) { 12823 } 12824 } 12825 } 12826 } 12827 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12828 return prefix + idxStr; 12829 } 12830 12831 private File getNextCodePath(File targetDir, String packageName) { 12832 int suffix = 1; 12833 File result; 12834 do { 12835 result = new File(targetDir, packageName + "-" + suffix); 12836 suffix++; 12837 } while (result.exists()); 12838 return result; 12839 } 12840 12841 // Utility method that returns the relative package path with respect 12842 // to the installation directory. Like say for /data/data/com.test-1.apk 12843 // string com.test-1 is returned. 12844 static String deriveCodePathName(String codePath) { 12845 if (codePath == null) { 12846 return null; 12847 } 12848 final File codeFile = new File(codePath); 12849 final String name = codeFile.getName(); 12850 if (codeFile.isDirectory()) { 12851 return name; 12852 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12853 final int lastDot = name.lastIndexOf('.'); 12854 return name.substring(0, lastDot); 12855 } else { 12856 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12857 return null; 12858 } 12859 } 12860 12861 static class PackageInstalledInfo { 12862 String name; 12863 int uid; 12864 // The set of users that originally had this package installed. 12865 int[] origUsers; 12866 // The set of users that now have this package installed. 12867 int[] newUsers; 12868 PackageParser.Package pkg; 12869 int returnCode; 12870 String returnMsg; 12871 PackageRemovedInfo removedInfo; 12872 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 12873 12874 public void setError(int code, String msg) { 12875 setReturnCode(code); 12876 setReturnMessage(msg); 12877 Slog.w(TAG, msg); 12878 } 12879 12880 public void setError(String msg, PackageParserException e) { 12881 setReturnCode(e.error); 12882 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 12883 Slog.w(TAG, msg, e); 12884 } 12885 12886 public void setError(String msg, PackageManagerException e) { 12887 returnCode = e.error; 12888 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 12889 Slog.w(TAG, msg, e); 12890 } 12891 12892 public void setReturnCode(int returnCode) { 12893 this.returnCode = returnCode; 12894 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 12895 for (int i = 0; i < childCount; i++) { 12896 addedChildPackages.valueAt(i).returnCode = returnCode; 12897 } 12898 } 12899 12900 private void setReturnMessage(String returnMsg) { 12901 this.returnMsg = returnMsg; 12902 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 12903 for (int i = 0; i < childCount; i++) { 12904 addedChildPackages.valueAt(i).returnMsg = returnMsg; 12905 } 12906 } 12907 12908 // In some error cases we want to convey more info back to the observer 12909 String origPackage; 12910 String origPermission; 12911 } 12912 12913 /* 12914 * Install a non-existing package. 12915 */ 12916 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12917 UserHandle user, String installerPackageName, String volumeUuid, 12918 PackageInstalledInfo res) { 12919 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12920 12921 // Remember this for later, in case we need to rollback this install 12922 String pkgName = pkg.packageName; 12923 12924 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12925 12926 synchronized(mPackages) { 12927 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12928 // A package with the same name is already installed, though 12929 // it has been renamed to an older name. The package we 12930 // are trying to install should be installed as an update to 12931 // the existing one, but that has not been requested, so bail. 12932 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12933 + " without first uninstalling package running as " 12934 + mSettings.mRenamedPackages.get(pkgName)); 12935 return; 12936 } 12937 if (mPackages.containsKey(pkgName)) { 12938 // Don't allow installation over an existing package with the same name. 12939 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12940 + " without first uninstalling."); 12941 return; 12942 } 12943 } 12944 12945 try { 12946 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12947 System.currentTimeMillis(), user); 12948 12949 updateSettingsLI(newPackage, installerPackageName, null, res, user); 12950 12951 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12952 prepareAppDataAfterInstall(newPackage); 12953 12954 } else { 12955 // Remove package from internal structures, but keep around any 12956 // data that might have already existed 12957 deletePackageLI(pkgName, UserHandle.ALL, false, null, 12958 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 12959 } 12960 } catch (PackageManagerException e) { 12961 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12962 } 12963 12964 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12965 } 12966 12967 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12968 // Can't rotate keys during boot or if sharedUser. 12969 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12970 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12971 return false; 12972 } 12973 // app is using upgradeKeySets; make sure all are valid 12974 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12975 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12976 for (int i = 0; i < upgradeKeySets.length; i++) { 12977 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12978 Slog.wtf(TAG, "Package " 12979 + (oldPs.name != null ? oldPs.name : "<null>") 12980 + " contains upgrade-key-set reference to unknown key-set: " 12981 + upgradeKeySets[i] 12982 + " reverting to signatures check."); 12983 return false; 12984 } 12985 } 12986 return true; 12987 } 12988 12989 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12990 // Upgrade keysets are being used. Determine if new package has a superset of the 12991 // required keys. 12992 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12993 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12994 for (int i = 0; i < upgradeKeySets.length; i++) { 12995 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12996 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12997 return true; 12998 } 12999 } 13000 return false; 13001 } 13002 13003 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13004 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13005 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13006 13007 final PackageParser.Package oldPackage; 13008 final String pkgName = pkg.packageName; 13009 final int[] allUsers; 13010 13011 // First find the old package info and check signatures 13012 synchronized(mPackages) { 13013 oldPackage = mPackages.get(pkgName); 13014 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13015 if (isEphemeral && !oldIsEphemeral) { 13016 // can't downgrade from full to ephemeral 13017 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13018 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13019 return; 13020 } 13021 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13022 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13023 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13024 if (!checkUpgradeKeySetLP(ps, pkg)) { 13025 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13026 "New package not signed by keys specified by upgrade-keysets: " 13027 + pkgName); 13028 return; 13029 } 13030 } else { 13031 // default to original signature matching 13032 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13033 != PackageManager.SIGNATURE_MATCH) { 13034 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13035 "New package has a different signature: " + pkgName); 13036 return; 13037 } 13038 } 13039 13040 // In case of rollback, remember per-user/profile install state 13041 allUsers = sUserManager.getUserIds(); 13042 } 13043 13044 // Update what is removed 13045 res.removedInfo = new PackageRemovedInfo(); 13046 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13047 res.removedInfo.removedPackage = oldPackage.packageName; 13048 res.removedInfo.isUpdate = true; 13049 final int childCount = (oldPackage.childPackages != null) 13050 ? oldPackage.childPackages.size() : 0; 13051 for (int i = 0; i < childCount; i++) { 13052 boolean childPackageUpdated = false; 13053 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13054 if (res.addedChildPackages != null) { 13055 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13056 if (childRes != null) { 13057 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13058 childRes.removedInfo.removedPackage = childPkg.packageName; 13059 childRes.removedInfo.isUpdate = true; 13060 childPackageUpdated = true; 13061 } 13062 } 13063 if (!childPackageUpdated) { 13064 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13065 childRemovedRes.removedPackage = childPkg.packageName; 13066 childRemovedRes.isUpdate = false; 13067 childRemovedRes.dataRemoved = true; 13068 synchronized (mPackages) { 13069 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13070 if (childPs != null) { 13071 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13072 } 13073 } 13074 if (res.removedInfo.removedChildPackages == null) { 13075 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13076 } 13077 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13078 } 13079 } 13080 13081 boolean sysPkg = (isSystemApp(oldPackage)); 13082 if (sysPkg) { 13083 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13084 user, allUsers, installerPackageName, res); 13085 } else { 13086 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13087 user, allUsers, installerPackageName, res); 13088 } 13089 } 13090 13091 public List<String> getPreviousCodePaths(String packageName) { 13092 final PackageSetting ps = mSettings.mPackages.get(packageName); 13093 final List<String> result = new ArrayList<String>(); 13094 if (ps != null && ps.oldCodePaths != null) { 13095 result.addAll(ps.oldCodePaths); 13096 } 13097 return result; 13098 } 13099 13100 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 13101 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13102 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13103 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13104 + deletedPackage); 13105 13106 String pkgName = deletedPackage.packageName; 13107 boolean deletedPkg = true; 13108 boolean addedPkg = false; 13109 boolean updatedSettings = false; 13110 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13111 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13112 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13113 13114 final long origUpdateTime = (pkg.mExtras != null) 13115 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13116 13117 // First delete the existing package while retaining the data directory 13118 if (!deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13119 res.removedInfo, true, pkg)) { 13120 // If the existing package wasn't successfully deleted 13121 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13122 deletedPkg = false; 13123 } else { 13124 // Successfully deleted the old package; proceed with replace. 13125 13126 // If deleted package lived in a container, give users a chance to 13127 // relinquish resources before killing. 13128 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13129 if (DEBUG_INSTALL) { 13130 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13131 } 13132 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13133 final ArrayList<String> pkgList = new ArrayList<String>(1); 13134 pkgList.add(deletedPackage.applicationInfo.packageName); 13135 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13136 } 13137 13138 deleteCodeCacheDirsLI(pkg); 13139 13140 try { 13141 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13142 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13143 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13144 13145 // Update the in-memory copy of the previous code paths. 13146 PackageSetting ps = mSettings.mPackages.get(pkgName); 13147 if (!killApp) { 13148 if (ps.oldCodePaths == null) { 13149 ps.oldCodePaths = new ArraySet<>(); 13150 } 13151 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13152 if (deletedPackage.splitCodePaths != null) { 13153 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13154 } 13155 } else { 13156 ps.oldCodePaths = null; 13157 } 13158 if (ps.childPackageNames != null) { 13159 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13160 final String childPkgName = ps.childPackageNames.get(i); 13161 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13162 childPs.oldCodePaths = ps.oldCodePaths; 13163 } 13164 } 13165 prepareAppDataAfterInstall(newPackage); 13166 addedPkg = true; 13167 } catch (PackageManagerException e) { 13168 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13169 } 13170 } 13171 13172 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13173 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13174 13175 // Revert all internal state mutations and added folders for the failed install 13176 if (addedPkg) { 13177 deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13178 res.removedInfo, true, null); 13179 } 13180 13181 // Restore the old package 13182 if (deletedPkg) { 13183 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13184 File restoreFile = new File(deletedPackage.codePath); 13185 // Parse old package 13186 boolean oldExternal = isExternal(deletedPackage); 13187 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13188 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13189 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13190 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13191 try { 13192 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13193 null); 13194 } catch (PackageManagerException e) { 13195 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13196 + e.getMessage()); 13197 return; 13198 } 13199 13200 synchronized (mPackages) { 13201 // Ensure the installer package name up to date 13202 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13203 13204 // Update permissions for restored package 13205 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13206 13207 mSettings.writeLPr(); 13208 } 13209 13210 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13211 } 13212 } else { 13213 synchronized (mPackages) { 13214 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13215 if (ps != null) { 13216 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13217 if (res.removedInfo.removedChildPackages != null) { 13218 final int childCount = res.removedInfo.removedChildPackages.size(); 13219 // Iterate in reverse as we may modify the collection 13220 for (int i = childCount - 1; i >= 0; i--) { 13221 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13222 if (res.addedChildPackages.containsKey(childPackageName)) { 13223 res.removedInfo.removedChildPackages.removeAt(i); 13224 } else { 13225 PackageRemovedInfo childInfo = res.removedInfo 13226 .removedChildPackages.valueAt(i); 13227 childInfo.removedForAllUsers = mPackages.get( 13228 childInfo.removedPackage) == null; 13229 } 13230 } 13231 } 13232 } 13233 } 13234 } 13235 } 13236 13237 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 13238 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13239 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13240 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13241 + ", old=" + deletedPackage); 13242 13243 final boolean disabledSystem; 13244 13245 // Set the system/privileged flags as needed 13246 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13247 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13248 != 0) { 13249 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13250 } 13251 13252 // Kill package processes including services, providers, etc. 13253 killPackage(deletedPackage, "replace sys pkg"); 13254 13255 // Remove existing system package 13256 removePackageLI(deletedPackage, true); 13257 13258 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13259 if (!disabledSystem) { 13260 // We didn't need to disable the .apk as a current system package, 13261 // which means we are replacing another update that is already 13262 // installed. We need to make sure to delete the older one's .apk. 13263 res.removedInfo.args = createInstallArgsForExisting(0, 13264 deletedPackage.applicationInfo.getCodePath(), 13265 deletedPackage.applicationInfo.getResourcePath(), 13266 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13267 } else { 13268 res.removedInfo.args = null; 13269 } 13270 13271 // Successfully disabled the old package. Now proceed with re-installation 13272 deleteCodeCacheDirsLI(pkg); 13273 13274 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13275 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13276 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13277 13278 PackageParser.Package newPackage = null; 13279 try { 13280 // Add the package to the internal data structures 13281 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13282 13283 // Set the update and install times 13284 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13285 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13286 System.currentTimeMillis()); 13287 13288 // Check for shared user id changes 13289 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13290 deletedPackage, newPackage); 13291 if (invalidPackageName != null) { 13292 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13293 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13294 + " to " + invalidPackageName); 13295 } 13296 13297 // Update the package dynamic state if succeeded 13298 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13299 // Now that the install succeeded make sure we remove data 13300 // directories for any child package the update removed. 13301 final int deletedChildCount = (deletedPackage.childPackages != null) 13302 ? deletedPackage.childPackages.size() : 0; 13303 final int newChildCount = (newPackage.childPackages != null) 13304 ? newPackage.childPackages.size() : 0; 13305 for (int i = 0; i < deletedChildCount; i++) { 13306 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13307 boolean childPackageDeleted = true; 13308 for (int j = 0; j < newChildCount; j++) { 13309 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13310 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13311 childPackageDeleted = false; 13312 break; 13313 } 13314 } 13315 if (childPackageDeleted) { 13316 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13317 deletedChildPkg.packageName); 13318 if (ps != null && res.removedInfo.removedChildPackages != null) { 13319 PackageRemovedInfo removedChildRes = res.removedInfo 13320 .removedChildPackages.get(deletedChildPkg.packageName); 13321 removePackageDataLI(ps, allUsers, removedChildRes, 0, false); 13322 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13323 } 13324 } 13325 } 13326 13327 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13328 prepareAppDataAfterInstall(newPackage); 13329 } 13330 } catch (PackageManagerException e) { 13331 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13332 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13333 } 13334 13335 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13336 // Re installation failed. Restore old information 13337 // Remove new pkg information 13338 if (newPackage != null) { 13339 removeInstalledPackageLI(newPackage, true); 13340 } 13341 // Add back the old system package 13342 try { 13343 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13344 } catch (PackageManagerException e) { 13345 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13346 } 13347 13348 synchronized (mPackages) { 13349 if (disabledSystem) { 13350 enableSystemPackageLPw(deletedPackage); 13351 } 13352 13353 // Ensure the installer package name up to date 13354 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13355 13356 // Update permissions for restored package 13357 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13358 13359 mSettings.writeLPr(); 13360 } 13361 13362 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13363 + " after failed upgrade"); 13364 } 13365 } 13366 13367 /** 13368 * Checks whether the parent or any of the child packages have a change shared 13369 * user. For a package to be a valid update the shred users of the parent and 13370 * the children should match. We may later support changing child shared users. 13371 * @param oldPkg The updated package. 13372 * @param newPkg The update package. 13373 * @return The shared user that change between the versions. 13374 */ 13375 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13376 PackageParser.Package newPkg) { 13377 // Check parent shared user 13378 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13379 return newPkg.packageName; 13380 } 13381 // Check child shared users 13382 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13383 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13384 for (int i = 0; i < newChildCount; i++) { 13385 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13386 // If this child was present, did it have the same shared user? 13387 for (int j = 0; j < oldChildCount; j++) { 13388 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13389 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13390 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13391 return newChildPkg.packageName; 13392 } 13393 } 13394 } 13395 return null; 13396 } 13397 13398 private void removeNativeBinariesLI(PackageSetting ps) { 13399 // Remove the lib path for the parent package 13400 if (ps != null) { 13401 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13402 // Remove the lib path for the child packages 13403 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 13404 for (int i = 0; i < childCount; i++) { 13405 PackageSetting childPs = null; 13406 synchronized (mPackages) { 13407 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 13408 } 13409 if (childPs != null) { 13410 NativeLibraryHelper.removeNativeBinariesLI(childPs 13411 .legacyNativeLibraryPathString); 13412 } 13413 } 13414 } 13415 } 13416 13417 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13418 // Enable the parent package 13419 mSettings.enableSystemPackageLPw(pkg.packageName); 13420 // Enable the child packages 13421 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13422 for (int i = 0; i < childCount; i++) { 13423 PackageParser.Package childPkg = pkg.childPackages.get(i); 13424 mSettings.enableSystemPackageLPw(childPkg.packageName); 13425 } 13426 } 13427 13428 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13429 PackageParser.Package newPkg) { 13430 // Disable the parent package (parent always replaced) 13431 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13432 // Disable the child packages 13433 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13434 for (int i = 0; i < childCount; i++) { 13435 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 13436 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 13437 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 13438 } 13439 return disabled; 13440 } 13441 13442 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 13443 String installerPackageName) { 13444 // Enable the parent package 13445 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 13446 // Enable the child packages 13447 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13448 for (int i = 0; i < childCount; i++) { 13449 PackageParser.Package childPkg = pkg.childPackages.get(i); 13450 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 13451 } 13452 } 13453 13454 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 13455 // Collect all used permissions in the UID 13456 ArraySet<String> usedPermissions = new ArraySet<>(); 13457 final int packageCount = su.packages.size(); 13458 for (int i = 0; i < packageCount; i++) { 13459 PackageSetting ps = su.packages.valueAt(i); 13460 if (ps.pkg == null) { 13461 continue; 13462 } 13463 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 13464 for (int j = 0; j < requestedPermCount; j++) { 13465 String permission = ps.pkg.requestedPermissions.get(j); 13466 BasePermission bp = mSettings.mPermissions.get(permission); 13467 if (bp != null) { 13468 usedPermissions.add(permission); 13469 } 13470 } 13471 } 13472 13473 PermissionsState permissionsState = su.getPermissionsState(); 13474 // Prune install permissions 13475 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 13476 final int installPermCount = installPermStates.size(); 13477 for (int i = installPermCount - 1; i >= 0; i--) { 13478 PermissionState permissionState = installPermStates.get(i); 13479 if (!usedPermissions.contains(permissionState.getName())) { 13480 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13481 if (bp != null) { 13482 permissionsState.revokeInstallPermission(bp); 13483 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 13484 PackageManager.MASK_PERMISSION_FLAGS, 0); 13485 } 13486 } 13487 } 13488 13489 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 13490 13491 // Prune runtime permissions 13492 for (int userId : allUserIds) { 13493 List<PermissionState> runtimePermStates = permissionsState 13494 .getRuntimePermissionStates(userId); 13495 final int runtimePermCount = runtimePermStates.size(); 13496 for (int i = runtimePermCount - 1; i >= 0; i--) { 13497 PermissionState permissionState = runtimePermStates.get(i); 13498 if (!usedPermissions.contains(permissionState.getName())) { 13499 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13500 if (bp != null) { 13501 permissionsState.revokeRuntimePermission(bp, userId); 13502 permissionsState.updatePermissionFlags(bp, userId, 13503 PackageManager.MASK_PERMISSION_FLAGS, 0); 13504 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 13505 runtimePermissionChangedUserIds, userId); 13506 } 13507 } 13508 } 13509 } 13510 13511 return runtimePermissionChangedUserIds; 13512 } 13513 13514 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 13515 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 13516 // Update the parent package setting 13517 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 13518 res, user); 13519 // Update the child packages setting 13520 final int childCount = (newPackage.childPackages != null) 13521 ? newPackage.childPackages.size() : 0; 13522 for (int i = 0; i < childCount; i++) { 13523 PackageParser.Package childPackage = newPackage.childPackages.get(i); 13524 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 13525 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 13526 childRes.origUsers, childRes, user); 13527 } 13528 } 13529 13530 private void updateSettingsInternalLI(PackageParser.Package newPackage, 13531 String installerPackageName, int[] allUsers, int[] installedForUsers, 13532 PackageInstalledInfo res, UserHandle user) { 13533 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 13534 13535 String pkgName = newPackage.packageName; 13536 synchronized (mPackages) { 13537 //write settings. the installStatus will be incomplete at this stage. 13538 //note that the new package setting would have already been 13539 //added to mPackages. It hasn't been persisted yet. 13540 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 13541 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13542 mSettings.writeLPr(); 13543 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13544 } 13545 13546 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 13547 synchronized (mPackages) { 13548 updatePermissionsLPw(newPackage.packageName, newPackage, 13549 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 13550 ? UPDATE_PERMISSIONS_ALL : 0)); 13551 // For system-bundled packages, we assume that installing an upgraded version 13552 // of the package implies that the user actually wants to run that new code, 13553 // so we enable the package. 13554 PackageSetting ps = mSettings.mPackages.get(pkgName); 13555 final int userId = user.getIdentifier(); 13556 if (ps != null) { 13557 if (isSystemApp(newPackage)) { 13558 if (DEBUG_INSTALL) { 13559 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 13560 } 13561 // Enable system package for requested users 13562 if (res.origUsers != null) { 13563 for (int origUserId : res.origUsers) { 13564 if (userId == UserHandle.USER_ALL || userId == origUserId) { 13565 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 13566 origUserId, installerPackageName); 13567 } 13568 } 13569 } 13570 // Also convey the prior install/uninstall state 13571 if (allUsers != null && installedForUsers != null) { 13572 for (int currentUserId : allUsers) { 13573 final boolean installed = ArrayUtils.contains( 13574 installedForUsers, currentUserId); 13575 if (DEBUG_INSTALL) { 13576 Slog.d(TAG, " user " + currentUserId + " => " + installed); 13577 } 13578 ps.setInstalled(installed, currentUserId); 13579 } 13580 // these install state changes will be persisted in the 13581 // upcoming call to mSettings.writeLPr(). 13582 } 13583 } 13584 // It's implied that when a user requests installation, they want the app to be 13585 // installed and enabled. 13586 if (userId != UserHandle.USER_ALL) { 13587 ps.setInstalled(true, userId); 13588 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 13589 } 13590 } 13591 res.name = pkgName; 13592 res.uid = newPackage.applicationInfo.uid; 13593 res.pkg = newPackage; 13594 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 13595 mSettings.setInstallerPackageName(pkgName, installerPackageName); 13596 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13597 //to update install status 13598 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13599 mSettings.writeLPr(); 13600 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13601 } 13602 13603 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13604 } 13605 13606 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 13607 try { 13608 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 13609 installPackageLI(args, res); 13610 } finally { 13611 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13612 } 13613 } 13614 13615 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 13616 final int installFlags = args.installFlags; 13617 final String installerPackageName = args.installerPackageName; 13618 final String volumeUuid = args.volumeUuid; 13619 final File tmpPackageFile = new File(args.getCodePath()); 13620 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 13621 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 13622 || (args.volumeUuid != null)); 13623 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 13624 boolean replace = false; 13625 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 13626 if (args.move != null) { 13627 // moving a complete application; perform an initial scan on the new install location 13628 scanFlags |= SCAN_INITIAL; 13629 } 13630 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 13631 scanFlags |= SCAN_DONT_KILL_APP; 13632 } 13633 13634 // Result object to be returned 13635 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13636 13637 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 13638 13639 // Sanity check 13640 if (ephemeral && (forwardLocked || onExternal)) { 13641 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 13642 + " external=" + onExternal); 13643 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13644 return; 13645 } 13646 13647 // Retrieve PackageSettings and parse package 13648 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 13649 | PackageParser.PARSE_ENFORCE_CODE 13650 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 13651 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 13652 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 13653 PackageParser pp = new PackageParser(); 13654 pp.setSeparateProcesses(mSeparateProcesses); 13655 pp.setDisplayMetrics(mMetrics); 13656 13657 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 13658 final PackageParser.Package pkg; 13659 try { 13660 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 13661 } catch (PackageParserException e) { 13662 res.setError("Failed parse during installPackageLI", e); 13663 return; 13664 } finally { 13665 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13666 } 13667 13668 // If we are installing a clustered package add results for the children 13669 if (pkg.childPackages != null) { 13670 synchronized (mPackages) { 13671 final int childCount = pkg.childPackages.size(); 13672 for (int i = 0; i < childCount; i++) { 13673 PackageParser.Package childPkg = pkg.childPackages.get(i); 13674 PackageInstalledInfo childRes = new PackageInstalledInfo(); 13675 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13676 childRes.pkg = childPkg; 13677 childRes.name = childPkg.packageName; 13678 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13679 if (childPs != null) { 13680 childRes.origUsers = childPs.queryInstalledUsers( 13681 sUserManager.getUserIds(), true); 13682 } 13683 if ((mPackages.containsKey(childPkg.packageName))) { 13684 childRes.removedInfo = new PackageRemovedInfo(); 13685 childRes.removedInfo.removedPackage = childPkg.packageName; 13686 } 13687 if (res.addedChildPackages == null) { 13688 res.addedChildPackages = new ArrayMap<>(); 13689 } 13690 res.addedChildPackages.put(childPkg.packageName, childRes); 13691 } 13692 } 13693 } 13694 13695 // If package doesn't declare API override, mark that we have an install 13696 // time CPU ABI override. 13697 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 13698 pkg.cpuAbiOverride = args.abiOverride; 13699 } 13700 13701 String pkgName = res.name = pkg.packageName; 13702 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 13703 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 13704 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 13705 return; 13706 } 13707 } 13708 13709 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 13710 try { 13711 PackageParser.collectCertificates(pkg, parseFlags); 13712 } catch (PackageParserException e) { 13713 res.setError("Failed collect during installPackageLI", e); 13714 return; 13715 } finally { 13716 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13717 } 13718 13719 // Get rid of all references to package scan path via parser. 13720 pp = null; 13721 String oldCodePath = null; 13722 boolean systemApp = false; 13723 synchronized (mPackages) { 13724 // Check if installing already existing package 13725 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13726 String oldName = mSettings.mRenamedPackages.get(pkgName); 13727 if (pkg.mOriginalPackages != null 13728 && pkg.mOriginalPackages.contains(oldName) 13729 && mPackages.containsKey(oldName)) { 13730 // This package is derived from an original package, 13731 // and this device has been updating from that original 13732 // name. We must continue using the original name, so 13733 // rename the new package here. 13734 pkg.setPackageName(oldName); 13735 pkgName = pkg.packageName; 13736 replace = true; 13737 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 13738 + oldName + " pkgName=" + pkgName); 13739 } else if (mPackages.containsKey(pkgName)) { 13740 // This package, under its official name, already exists 13741 // on the device; we should replace it. 13742 replace = true; 13743 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 13744 } 13745 13746 // Child packages are installed through the parent package 13747 if (pkg.parentPackage != null) { 13748 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13749 "Package " + pkg.packageName + " is child of package " 13750 + pkg.parentPackage.parentPackage + ". Child packages " 13751 + "can be updated only through the parent package."); 13752 return; 13753 } 13754 13755 if (replace) { 13756 // Prevent apps opting out from runtime permissions 13757 PackageParser.Package oldPackage = mPackages.get(pkgName); 13758 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 13759 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 13760 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 13761 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 13762 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 13763 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 13764 + " doesn't support runtime permissions but the old" 13765 + " target SDK " + oldTargetSdk + " does."); 13766 return; 13767 } 13768 13769 // Prevent installing of child packages 13770 if (oldPackage.parentPackage != null) { 13771 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13772 "Package " + pkg.packageName + " is child of package " 13773 + oldPackage.parentPackage + ". Child packages " 13774 + "can be updated only through the parent package."); 13775 return; 13776 } 13777 } 13778 } 13779 13780 PackageSetting ps = mSettings.mPackages.get(pkgName); 13781 if (ps != null) { 13782 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 13783 13784 // Quick sanity check that we're signed correctly if updating; 13785 // we'll check this again later when scanning, but we want to 13786 // bail early here before tripping over redefined permissions. 13787 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13788 if (!checkUpgradeKeySetLP(ps, pkg)) { 13789 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 13790 + pkg.packageName + " upgrade keys do not match the " 13791 + "previously installed version"); 13792 return; 13793 } 13794 } else { 13795 try { 13796 verifySignaturesLP(ps, pkg); 13797 } catch (PackageManagerException e) { 13798 res.setError(e.error, e.getMessage()); 13799 return; 13800 } 13801 } 13802 13803 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 13804 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 13805 systemApp = (ps.pkg.applicationInfo.flags & 13806 ApplicationInfo.FLAG_SYSTEM) != 0; 13807 } 13808 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13809 } 13810 13811 // Check whether the newly-scanned package wants to define an already-defined perm 13812 int N = pkg.permissions.size(); 13813 for (int i = N-1; i >= 0; i--) { 13814 PackageParser.Permission perm = pkg.permissions.get(i); 13815 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 13816 if (bp != null) { 13817 // If the defining package is signed with our cert, it's okay. This 13818 // also includes the "updating the same package" case, of course. 13819 // "updating same package" could also involve key-rotation. 13820 final boolean sigsOk; 13821 if (bp.sourcePackage.equals(pkg.packageName) 13822 && (bp.packageSetting instanceof PackageSetting) 13823 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 13824 scanFlags))) { 13825 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 13826 } else { 13827 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 13828 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 13829 } 13830 if (!sigsOk) { 13831 // If the owning package is the system itself, we log but allow 13832 // install to proceed; we fail the install on all other permission 13833 // redefinitions. 13834 if (!bp.sourcePackage.equals("android")) { 13835 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 13836 + pkg.packageName + " attempting to redeclare permission " 13837 + perm.info.name + " already owned by " + bp.sourcePackage); 13838 res.origPermission = perm.info.name; 13839 res.origPackage = bp.sourcePackage; 13840 return; 13841 } else { 13842 Slog.w(TAG, "Package " + pkg.packageName 13843 + " attempting to redeclare system permission " 13844 + perm.info.name + "; ignoring new declaration"); 13845 pkg.permissions.remove(i); 13846 } 13847 } 13848 } 13849 } 13850 } 13851 13852 if (systemApp) { 13853 if (onExternal) { 13854 // Abort update; system app can't be replaced with app on sdcard 13855 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 13856 "Cannot install updates to system apps on sdcard"); 13857 return; 13858 } else if (ephemeral) { 13859 // Abort update; system app can't be replaced with an ephemeral app 13860 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 13861 "Cannot update a system app with an ephemeral app"); 13862 return; 13863 } 13864 } 13865 13866 if (args.move != null) { 13867 // We did an in-place move, so dex is ready to roll 13868 scanFlags |= SCAN_NO_DEX; 13869 scanFlags |= SCAN_MOVE; 13870 13871 synchronized (mPackages) { 13872 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13873 if (ps == null) { 13874 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 13875 "Missing settings for moved package " + pkgName); 13876 } 13877 13878 // We moved the entire application as-is, so bring over the 13879 // previously derived ABI information. 13880 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 13881 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 13882 } 13883 13884 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 13885 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 13886 scanFlags |= SCAN_NO_DEX; 13887 13888 try { 13889 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 13890 args.abiOverride : pkg.cpuAbiOverride); 13891 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 13892 true /* extract libs */); 13893 } catch (PackageManagerException pme) { 13894 Slog.e(TAG, "Error deriving application ABI", pme); 13895 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 13896 return; 13897 } 13898 13899 13900 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 13901 // Do not run PackageDexOptimizer through the local performDexOpt 13902 // method because `pkg` is not in `mPackages` yet. 13903 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 13904 false /* useProfiles */, true /* extractOnly */); 13905 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13906 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 13907 String msg = "Extracking package failed for " + pkgName; 13908 res.setError(INSTALL_FAILED_DEXOPT, msg); 13909 return; 13910 } 13911 } 13912 13913 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 13914 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 13915 return; 13916 } 13917 13918 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 13919 13920 if (replace) { 13921 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 13922 installerPackageName, res); 13923 } else { 13924 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 13925 args.user, installerPackageName, volumeUuid, res); 13926 } 13927 synchronized (mPackages) { 13928 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13929 if (ps != null) { 13930 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13931 } 13932 13933 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13934 for (int i = 0; i < childCount; i++) { 13935 PackageParser.Package childPkg = pkg.childPackages.get(i); 13936 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13937 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13938 if (childPs != null) { 13939 childRes.newUsers = childPs.queryInstalledUsers( 13940 sUserManager.getUserIds(), true); 13941 } 13942 } 13943 } 13944 } 13945 13946 private void startIntentFilterVerifications(int userId, boolean replacing, 13947 PackageParser.Package pkg) { 13948 if (mIntentFilterVerifierComponent == null) { 13949 Slog.w(TAG, "No IntentFilter verification will not be done as " 13950 + "there is no IntentFilterVerifier available!"); 13951 return; 13952 } 13953 13954 final int verifierUid = getPackageUid( 13955 mIntentFilterVerifierComponent.getPackageName(), 13956 MATCH_DEBUG_TRIAGED_MISSING, 13957 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 13958 13959 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 13960 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 13961 mHandler.sendMessage(msg); 13962 13963 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13964 for (int i = 0; i < childCount; i++) { 13965 PackageParser.Package childPkg = pkg.childPackages.get(i); 13966 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 13967 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 13968 mHandler.sendMessage(msg); 13969 } 13970 } 13971 13972 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 13973 PackageParser.Package pkg) { 13974 int size = pkg.activities.size(); 13975 if (size == 0) { 13976 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13977 "No activity, so no need to verify any IntentFilter!"); 13978 return; 13979 } 13980 13981 final boolean hasDomainURLs = hasDomainURLs(pkg); 13982 if (!hasDomainURLs) { 13983 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13984 "No domain URLs, so no need to verify any IntentFilter!"); 13985 return; 13986 } 13987 13988 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 13989 + " if any IntentFilter from the " + size 13990 + " Activities needs verification ..."); 13991 13992 int count = 0; 13993 final String packageName = pkg.packageName; 13994 13995 synchronized (mPackages) { 13996 // If this is a new install and we see that we've already run verification for this 13997 // package, we have nothing to do: it means the state was restored from backup. 13998 if (!replacing) { 13999 IntentFilterVerificationInfo ivi = 14000 mSettings.getIntentFilterVerificationLPr(packageName); 14001 if (ivi != null) { 14002 if (DEBUG_DOMAIN_VERIFICATION) { 14003 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14004 + ivi.getStatusString()); 14005 } 14006 return; 14007 } 14008 } 14009 14010 // If any filters need to be verified, then all need to be. 14011 boolean needToVerify = false; 14012 for (PackageParser.Activity a : pkg.activities) { 14013 for (ActivityIntentInfo filter : a.intents) { 14014 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14015 if (DEBUG_DOMAIN_VERIFICATION) { 14016 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14017 } 14018 needToVerify = true; 14019 break; 14020 } 14021 } 14022 } 14023 14024 if (needToVerify) { 14025 final int verificationId = mIntentFilterVerificationToken++; 14026 for (PackageParser.Activity a : pkg.activities) { 14027 for (ActivityIntentInfo filter : a.intents) { 14028 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14029 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14030 "Verification needed for IntentFilter:" + filter.toString()); 14031 mIntentFilterVerifier.addOneIntentFilterVerification( 14032 verifierUid, userId, verificationId, filter, packageName); 14033 count++; 14034 } 14035 } 14036 } 14037 } 14038 } 14039 14040 if (count > 0) { 14041 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14042 + " IntentFilter verification" + (count > 1 ? "s" : "") 14043 + " for userId:" + userId); 14044 mIntentFilterVerifier.startVerifications(userId); 14045 } else { 14046 if (DEBUG_DOMAIN_VERIFICATION) { 14047 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14048 } 14049 } 14050 } 14051 14052 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14053 final ComponentName cn = filter.activity.getComponentName(); 14054 final String packageName = cn.getPackageName(); 14055 14056 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14057 packageName); 14058 if (ivi == null) { 14059 return true; 14060 } 14061 int status = ivi.getStatus(); 14062 switch (status) { 14063 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14064 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14065 return true; 14066 14067 default: 14068 // Nothing to do 14069 return false; 14070 } 14071 } 14072 14073 private static boolean isMultiArch(ApplicationInfo info) { 14074 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14075 } 14076 14077 private static boolean isExternal(PackageParser.Package pkg) { 14078 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14079 } 14080 14081 private static boolean isExternal(PackageSetting ps) { 14082 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14083 } 14084 14085 private static boolean isEphemeral(PackageParser.Package pkg) { 14086 return pkg.applicationInfo.isEphemeralApp(); 14087 } 14088 14089 private static boolean isEphemeral(PackageSetting ps) { 14090 return ps.pkg != null && isEphemeral(ps.pkg); 14091 } 14092 14093 private static boolean isSystemApp(PackageParser.Package pkg) { 14094 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14095 } 14096 14097 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14098 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14099 } 14100 14101 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14102 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14103 } 14104 14105 private static boolean isSystemApp(PackageSetting ps) { 14106 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14107 } 14108 14109 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14110 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14111 } 14112 14113 private int packageFlagsToInstallFlags(PackageSetting ps) { 14114 int installFlags = 0; 14115 if (isEphemeral(ps)) { 14116 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14117 } 14118 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14119 // This existing package was an external ASEC install when we have 14120 // the external flag without a UUID 14121 installFlags |= PackageManager.INSTALL_EXTERNAL; 14122 } 14123 if (ps.isForwardLocked()) { 14124 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14125 } 14126 return installFlags; 14127 } 14128 14129 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14130 if (isExternal(pkg)) { 14131 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14132 return StorageManager.UUID_PRIMARY_PHYSICAL; 14133 } else { 14134 return pkg.volumeUuid; 14135 } 14136 } else { 14137 return StorageManager.UUID_PRIVATE_INTERNAL; 14138 } 14139 } 14140 14141 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14142 if (isExternal(pkg)) { 14143 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14144 return mSettings.getExternalVersion(); 14145 } else { 14146 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14147 } 14148 } else { 14149 return mSettings.getInternalVersion(); 14150 } 14151 } 14152 14153 private void deleteTempPackageFiles() { 14154 final FilenameFilter filter = new FilenameFilter() { 14155 public boolean accept(File dir, String name) { 14156 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14157 } 14158 }; 14159 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14160 file.delete(); 14161 } 14162 } 14163 14164 @Override 14165 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14166 int flags) { 14167 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14168 flags); 14169 } 14170 14171 @Override 14172 public void deletePackage(final String packageName, 14173 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 14174 mContext.enforceCallingOrSelfPermission( 14175 android.Manifest.permission.DELETE_PACKAGES, null); 14176 Preconditions.checkNotNull(packageName); 14177 Preconditions.checkNotNull(observer); 14178 final int uid = Binder.getCallingUid(); 14179 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 14180 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14181 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14182 mContext.enforceCallingOrSelfPermission( 14183 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14184 "deletePackage for user " + userId); 14185 } 14186 14187 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14188 try { 14189 observer.onPackageDeleted(packageName, 14190 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14191 } catch (RemoteException re) { 14192 } 14193 return; 14194 } 14195 14196 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 14197 try { 14198 observer.onPackageDeleted(packageName, 14199 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14200 } catch (RemoteException re) { 14201 } 14202 return; 14203 } 14204 14205 if (DEBUG_REMOVE) { 14206 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 14207 + " deleteAllUsers: " + deleteAllUsers ); 14208 } 14209 // Queue up an async operation since the package deletion may take a little while. 14210 mHandler.post(new Runnable() { 14211 public void run() { 14212 mHandler.removeCallbacks(this); 14213 int returnCode; 14214 if (!deleteAllUsers) { 14215 returnCode = deletePackageX(packageName, userId, flags); 14216 } else { 14217 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 14218 // If nobody is blocking uninstall, proceed with delete for all users 14219 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 14220 returnCode = deletePackageX(packageName, userId, flags); 14221 } else { 14222 // Otherwise uninstall individually for users with blockUninstalls=false 14223 final int userFlags = flags & ~PackageManager.DELETE_ALL_USERS; 14224 for (int userId : users) { 14225 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 14226 returnCode = deletePackageX(packageName, userId, userFlags); 14227 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 14228 Slog.w(TAG, "Package delete failed for user " + userId 14229 + ", returnCode " + returnCode); 14230 } 14231 } 14232 } 14233 // The app has only been marked uninstalled for certain users. 14234 // We still need to report that delete was blocked 14235 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 14236 } 14237 } 14238 try { 14239 observer.onPackageDeleted(packageName, returnCode, null); 14240 } catch (RemoteException e) { 14241 Log.i(TAG, "Observer no longer exists."); 14242 } //end catch 14243 } //end run 14244 }); 14245 } 14246 14247 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 14248 int[] result = EMPTY_INT_ARRAY; 14249 for (int userId : userIds) { 14250 if (getBlockUninstallForUser(packageName, userId)) { 14251 result = ArrayUtils.appendInt(result, userId); 14252 } 14253 } 14254 return result; 14255 } 14256 14257 @Override 14258 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14259 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14260 } 14261 14262 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14263 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14264 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14265 try { 14266 if (dpm != null) { 14267 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14268 /* callingUserOnly =*/ false); 14269 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14270 : deviceOwnerComponentName.getPackageName(); 14271 // Does the package contains the device owner? 14272 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14273 // this check is probably not needed, since DO should be registered as a device 14274 // admin on some user too. (Original bug for this: b/17657954) 14275 if (packageName.equals(deviceOwnerPackageName)) { 14276 return true; 14277 } 14278 // Does it contain a device admin for any user? 14279 int[] users; 14280 if (userId == UserHandle.USER_ALL) { 14281 users = sUserManager.getUserIds(); 14282 } else { 14283 users = new int[]{userId}; 14284 } 14285 for (int i = 0; i < users.length; ++i) { 14286 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14287 return true; 14288 } 14289 } 14290 } 14291 } catch (RemoteException e) { 14292 } 14293 return false; 14294 } 14295 14296 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14297 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14298 } 14299 14300 /** 14301 * This method is an internal method that could be get invoked either 14302 * to delete an installed package or to clean up a failed installation. 14303 * After deleting an installed package, a broadcast is sent to notify any 14304 * listeners that the package has been installed. For cleaning up a failed 14305 * installation, the broadcast is not necessary since the package's 14306 * installation wouldn't have sent the initial broadcast either 14307 * The key steps in deleting a package are 14308 * deleting the package information in internal structures like mPackages, 14309 * deleting the packages base directories through installd 14310 * updating mSettings to reflect current status 14311 * persisting settings for later use 14312 * sending a broadcast if necessary 14313 */ 14314 private int deletePackageX(String packageName, int userId, int flags) { 14315 final PackageRemovedInfo info = new PackageRemovedInfo(); 14316 final boolean res; 14317 14318 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 14319 ? UserHandle.ALL : new UserHandle(userId); 14320 14321 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14322 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14323 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14324 } 14325 14326 PackageSetting uninstalledPs = null; 14327 14328 // for the uninstall-updates case and restricted profiles, remember the per- 14329 // user handle installed state 14330 int[] allUsers; 14331 synchronized (mPackages) { 14332 uninstalledPs = mSettings.mPackages.get(packageName); 14333 if (uninstalledPs == null) { 14334 Slog.w(TAG, "Not removing non-existent package " + packageName); 14335 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14336 } 14337 allUsers = sUserManager.getUserIds(); 14338 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14339 } 14340 14341 synchronized (mInstallLock) { 14342 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14343 res = deletePackageLI(packageName, removeForUser, true, allUsers, 14344 flags | REMOVE_CHATTY, info, true, null); 14345 synchronized (mPackages) { 14346 if (res) { 14347 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14348 } 14349 } 14350 } 14351 14352 if (res) { 14353 final boolean killApp = (flags & PackageManager.INSTALL_DONT_KILL_APP) == 0; 14354 info.sendPackageRemovedBroadcasts(killApp); 14355 info.sendSystemPackageUpdatedBroadcasts(); 14356 info.sendSystemPackageAppearedBroadcasts(); 14357 } 14358 // Force a gc here. 14359 Runtime.getRuntime().gc(); 14360 // Delete the resources here after sending the broadcast to let 14361 // other processes clean up before deleting resources. 14362 if (info.args != null) { 14363 synchronized (mInstallLock) { 14364 info.args.doPostDeleteLI(true); 14365 } 14366 } 14367 14368 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14369 } 14370 14371 class PackageRemovedInfo { 14372 String removedPackage; 14373 int uid = -1; 14374 int removedAppId = -1; 14375 int[] origUsers; 14376 int[] removedUsers = null; 14377 boolean isRemovedPackageSystemUpdate = false; 14378 boolean isUpdate; 14379 boolean dataRemoved; 14380 boolean removedForAllUsers; 14381 // Clean up resources deleted packages. 14382 InstallArgs args = null; 14383 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 14384 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 14385 14386 void sendPackageRemovedBroadcasts(boolean killApp) { 14387 sendPackageRemovedBroadcastInternal(killApp); 14388 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 14389 for (int i = 0; i < childCount; i++) { 14390 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14391 childInfo.sendPackageRemovedBroadcastInternal(killApp); 14392 } 14393 } 14394 14395 void sendSystemPackageUpdatedBroadcasts() { 14396 if (isRemovedPackageSystemUpdate) { 14397 sendSystemPackageUpdatedBroadcastsInternal(); 14398 final int childCount = (removedChildPackages != null) 14399 ? removedChildPackages.size() : 0; 14400 for (int i = 0; i < childCount; i++) { 14401 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14402 if (childInfo.isRemovedPackageSystemUpdate) { 14403 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 14404 } 14405 } 14406 } 14407 } 14408 14409 void sendSystemPackageAppearedBroadcasts() { 14410 final int packageCount = (appearedChildPackages != null) 14411 ? appearedChildPackages.size() : 0; 14412 for (int i = 0; i < packageCount; i++) { 14413 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 14414 for (int userId : installedInfo.newUsers) { 14415 sendPackageAddedForUser(installedInfo.name, true, 14416 UserHandle.getAppId(installedInfo.uid), userId); 14417 } 14418 } 14419 } 14420 14421 private void sendSystemPackageUpdatedBroadcastsInternal() { 14422 Bundle extras = new Bundle(2); 14423 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14424 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14425 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 14426 extras, 0, null, null, null); 14427 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 14428 extras, 0, null, null, null); 14429 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14430 null, 0, removedPackage, null, null); 14431 } 14432 14433 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 14434 Bundle extras = new Bundle(2); 14435 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14436 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 14437 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 14438 if (isUpdate || isRemovedPackageSystemUpdate) { 14439 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14440 } 14441 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 14442 if (removedPackage != null) { 14443 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 14444 extras, 0, null, null, removedUsers); 14445 if (dataRemoved && !isRemovedPackageSystemUpdate) { 14446 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 14447 removedPackage, extras, 0, null, null, removedUsers); 14448 } 14449 } 14450 if (removedAppId >= 0) { 14451 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 14452 removedUsers); 14453 } 14454 } 14455 } 14456 14457 /* 14458 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 14459 * flag is not set, the data directory is removed as well. 14460 * make sure this flag is set for partially installed apps. If not its meaningless to 14461 * delete a partially installed application. 14462 */ 14463 private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, 14464 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 14465 String packageName = ps.name; 14466 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 14467 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 14468 // Retrieve object to delete permissions for shared user later on 14469 final PackageSetting deletedPs; 14470 // reader 14471 synchronized (mPackages) { 14472 deletedPs = mSettings.mPackages.get(packageName); 14473 if (outInfo != null) { 14474 outInfo.removedPackage = packageName; 14475 outInfo.removedUsers = deletedPs != null 14476 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 14477 : null; 14478 } 14479 } 14480 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14481 removeDataDirsLI(ps.volumeUuid, packageName); 14482 if (outInfo != null) { 14483 outInfo.dataRemoved = true; 14484 } 14485 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 14486 } 14487 // writer 14488 synchronized (mPackages) { 14489 if (deletedPs != null) { 14490 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14491 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 14492 clearDefaultBrowserIfNeeded(packageName); 14493 if (outInfo != null) { 14494 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 14495 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 14496 } 14497 updatePermissionsLPw(deletedPs.name, null, 0); 14498 if (deletedPs.sharedUser != null) { 14499 // Remove permissions associated with package. Since runtime 14500 // permissions are per user we have to kill the removed package 14501 // or packages running under the shared user of the removed 14502 // package if revoking the permissions requested only by the removed 14503 // package is successful and this causes a change in gids. 14504 for (int userId : UserManagerService.getInstance().getUserIds()) { 14505 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 14506 userId); 14507 if (userIdToKill == UserHandle.USER_ALL 14508 || userIdToKill >= UserHandle.USER_SYSTEM) { 14509 // If gids changed for this user, kill all affected packages. 14510 mHandler.post(new Runnable() { 14511 @Override 14512 public void run() { 14513 // This has to happen with no lock held. 14514 killApplication(deletedPs.name, deletedPs.appId, 14515 KILL_APP_REASON_GIDS_CHANGED); 14516 } 14517 }); 14518 break; 14519 } 14520 } 14521 } 14522 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 14523 } 14524 // make sure to preserve per-user disabled state if this removal was just 14525 // a downgrade of a system app to the factory package 14526 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 14527 if (DEBUG_REMOVE) { 14528 Slog.d(TAG, "Propagating install state across downgrade"); 14529 } 14530 for (int userId : allUserHandles) { 14531 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14532 if (DEBUG_REMOVE) { 14533 Slog.d(TAG, " user " + userId + " => " + installed); 14534 } 14535 ps.setInstalled(installed, userId); 14536 } 14537 } 14538 } 14539 // can downgrade to reader 14540 if (writeSettings) { 14541 // Save settings now 14542 mSettings.writeLPr(); 14543 } 14544 } 14545 if (outInfo != null) { 14546 // A user ID was deleted here. Go through all users and remove it 14547 // from KeyStore. 14548 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 14549 } 14550 } 14551 14552 static boolean locationIsPrivileged(File path) { 14553 try { 14554 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 14555 .getCanonicalPath(); 14556 return path.getCanonicalPath().startsWith(privilegedAppDir); 14557 } catch (IOException e) { 14558 Slog.e(TAG, "Unable to access code path " + path); 14559 } 14560 return false; 14561 } 14562 14563 /* 14564 * Tries to delete system package. 14565 */ 14566 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 14567 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 14568 boolean writeSettings) { 14569 if (deletedPs.parentPackageName != null) { 14570 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 14571 return false; 14572 } 14573 14574 final boolean applyUserRestrictions 14575 = (allUserHandles != null) && (outInfo.origUsers != null); 14576 final PackageSetting disabledPs; 14577 // Confirm if the system package has been updated 14578 // An updated system app can be deleted. This will also have to restore 14579 // the system pkg from system partition 14580 // reader 14581 synchronized (mPackages) { 14582 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 14583 } 14584 14585 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 14586 + " disabledPs=" + disabledPs); 14587 14588 if (disabledPs == null) { 14589 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 14590 return false; 14591 } else if (DEBUG_REMOVE) { 14592 Slog.d(TAG, "Deleting system pkg from data partition"); 14593 } 14594 14595 if (DEBUG_REMOVE) { 14596 if (applyUserRestrictions) { 14597 Slog.d(TAG, "Remembering install states:"); 14598 for (int userId : allUserHandles) { 14599 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 14600 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 14601 } 14602 } 14603 } 14604 14605 // Delete the updated package 14606 outInfo.isRemovedPackageSystemUpdate = true; 14607 if (outInfo.removedChildPackages != null) { 14608 final int childCount = (deletedPs.childPackageNames != null) 14609 ? deletedPs.childPackageNames.size() : 0; 14610 for (int i = 0; i < childCount; i++) { 14611 String childPackageName = deletedPs.childPackageNames.get(i); 14612 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 14613 .contains(childPackageName)) { 14614 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14615 childPackageName); 14616 if (childInfo != null) { 14617 childInfo.isRemovedPackageSystemUpdate = true; 14618 } 14619 } 14620 } 14621 } 14622 14623 if (disabledPs.versionCode < deletedPs.versionCode) { 14624 // Delete data for downgrades 14625 flags &= ~PackageManager.DELETE_KEEP_DATA; 14626 } else { 14627 // Preserve data by setting flag 14628 flags |= PackageManager.DELETE_KEEP_DATA; 14629 } 14630 14631 boolean ret = deleteInstalledPackageLI(deletedPs, true, flags, allUserHandles, 14632 outInfo, writeSettings, disabledPs.pkg); 14633 if (!ret) { 14634 return false; 14635 } 14636 14637 // writer 14638 synchronized (mPackages) { 14639 // Reinstate the old system package 14640 enableSystemPackageLPw(disabledPs.pkg); 14641 // Remove any native libraries from the upgraded package. 14642 removeNativeBinariesLI(deletedPs); 14643 } 14644 14645 // Install the system package 14646 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 14647 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 14648 if (locationIsPrivileged(disabledPs.codePath)) { 14649 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 14650 } 14651 14652 final PackageParser.Package newPkg; 14653 try { 14654 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 14655 } catch (PackageManagerException e) { 14656 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 14657 + e.getMessage()); 14658 return false; 14659 } 14660 14661 prepareAppDataAfterInstall(newPkg); 14662 14663 // writer 14664 synchronized (mPackages) { 14665 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 14666 14667 // Propagate the permissions state as we do not want to drop on the floor 14668 // runtime permissions. The update permissions method below will take 14669 // care of removing obsolete permissions and grant install permissions. 14670 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 14671 updatePermissionsLPw(newPkg.packageName, newPkg, 14672 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 14673 14674 if (applyUserRestrictions) { 14675 if (DEBUG_REMOVE) { 14676 Slog.d(TAG, "Propagating install state across reinstall"); 14677 } 14678 for (int userId : allUserHandles) { 14679 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14680 if (DEBUG_REMOVE) { 14681 Slog.d(TAG, " user " + userId + " => " + installed); 14682 } 14683 ps.setInstalled(installed, userId); 14684 14685 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 14686 } 14687 // Regardless of writeSettings we need to ensure that this restriction 14688 // state propagation is persisted 14689 mSettings.writeAllUsersPackageRestrictionsLPr(); 14690 } 14691 // can downgrade to reader here 14692 if (writeSettings) { 14693 mSettings.writeLPr(); 14694 } 14695 } 14696 return true; 14697 } 14698 14699 private boolean deleteInstalledPackageLI(PackageSetting ps, 14700 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 14701 PackageRemovedInfo outInfo, boolean writeSettings, 14702 PackageParser.Package replacingPackage) { 14703 synchronized (mPackages) { 14704 if (outInfo != null) { 14705 outInfo.uid = ps.appId; 14706 } 14707 14708 if (outInfo != null && outInfo.removedChildPackages != null) { 14709 final int childCount = (ps.childPackageNames != null) 14710 ? ps.childPackageNames.size() : 0; 14711 for (int i = 0; i < childCount; i++) { 14712 String childPackageName = ps.childPackageNames.get(i); 14713 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 14714 if (childPs == null) { 14715 return false; 14716 } 14717 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14718 childPackageName); 14719 if (childInfo != null) { 14720 childInfo.uid = childPs.appId; 14721 } 14722 } 14723 } 14724 } 14725 14726 // Delete package data from internal structures and also remove data if flag is set 14727 removePackageDataLI(ps, allUserHandles, outInfo, flags, writeSettings); 14728 14729 // Delete the child packages data 14730 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14731 for (int i = 0; i < childCount; i++) { 14732 PackageSetting childPs; 14733 synchronized (mPackages) { 14734 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14735 } 14736 if (childPs != null) { 14737 PackageRemovedInfo childOutInfo = (outInfo != null 14738 && outInfo.removedChildPackages != null) 14739 ? outInfo.removedChildPackages.get(childPs.name) : null; 14740 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 14741 && (replacingPackage != null 14742 && !replacingPackage.hasChildPackage(childPs.name)) 14743 ? flags & ~DELETE_KEEP_DATA : flags; 14744 removePackageDataLI(childPs, allUserHandles, childOutInfo, 14745 deleteFlags, writeSettings); 14746 } 14747 } 14748 14749 // Delete application code and resources only for parent packages 14750 if (ps.parentPackageName == null) { 14751 if (deleteCodeAndResources && (outInfo != null)) { 14752 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 14753 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 14754 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 14755 } 14756 } 14757 14758 return true; 14759 } 14760 14761 @Override 14762 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 14763 int userId) { 14764 mContext.enforceCallingOrSelfPermission( 14765 android.Manifest.permission.DELETE_PACKAGES, null); 14766 synchronized (mPackages) { 14767 PackageSetting ps = mSettings.mPackages.get(packageName); 14768 if (ps == null) { 14769 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 14770 return false; 14771 } 14772 if (!ps.getInstalled(userId)) { 14773 // Can't block uninstall for an app that is not installed or enabled. 14774 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 14775 return false; 14776 } 14777 ps.setBlockUninstall(blockUninstall, userId); 14778 mSettings.writePackageRestrictionsLPr(userId); 14779 } 14780 return true; 14781 } 14782 14783 @Override 14784 public boolean getBlockUninstallForUser(String packageName, int userId) { 14785 synchronized (mPackages) { 14786 PackageSetting ps = mSettings.mPackages.get(packageName); 14787 if (ps == null) { 14788 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 14789 return false; 14790 } 14791 return ps.getBlockUninstall(userId); 14792 } 14793 } 14794 14795 @Override 14796 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 14797 int callingUid = Binder.getCallingUid(); 14798 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 14799 throw new SecurityException( 14800 "setRequiredForSystemUser can only be run by the system or root"); 14801 } 14802 synchronized (mPackages) { 14803 PackageSetting ps = mSettings.mPackages.get(packageName); 14804 if (ps == null) { 14805 Log.w(TAG, "Package doesn't exist: " + packageName); 14806 return false; 14807 } 14808 if (systemUserApp) { 14809 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14810 } else { 14811 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14812 } 14813 mSettings.writeLPr(); 14814 } 14815 return true; 14816 } 14817 14818 /* 14819 * This method handles package deletion in general 14820 */ 14821 private boolean deletePackageLI(String packageName, UserHandle user, 14822 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 14823 PackageRemovedInfo outInfo, boolean writeSettings, 14824 PackageParser.Package replacingPackage) { 14825 if (packageName == null) { 14826 Slog.w(TAG, "Attempt to delete null packageName."); 14827 return false; 14828 } 14829 14830 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 14831 14832 PackageSetting ps; 14833 14834 synchronized (mPackages) { 14835 ps = mSettings.mPackages.get(packageName); 14836 if (ps == null) { 14837 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 14838 return false; 14839 } 14840 14841 if (ps.parentPackageName != null && (!isSystemApp(ps) 14842 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 14843 if (DEBUG_REMOVE) { 14844 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 14845 + ((user == null) ? UserHandle.USER_ALL : user)); 14846 } 14847 final int removedUserId = (user != null) ? user.getIdentifier() 14848 : UserHandle.USER_ALL; 14849 if (!clearPackageStateForUser(ps, removedUserId, outInfo)) { 14850 return false; 14851 } 14852 markPackageUninstalledForUserLPw(ps, user); 14853 scheduleWritePackageRestrictionsLocked(user); 14854 return true; 14855 } 14856 } 14857 14858 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 14859 && user.getIdentifier() != UserHandle.USER_ALL)) { 14860 // The caller is asking that the package only be deleted for a single 14861 // user. To do this, we just mark its uninstalled state and delete 14862 // its data. If this is a system app, we only allow this to happen if 14863 // they have set the special DELETE_SYSTEM_APP which requests different 14864 // semantics than normal for uninstalling system apps. 14865 markPackageUninstalledForUserLPw(ps, user); 14866 14867 if (!isSystemApp(ps)) { 14868 // Do not uninstall the APK if an app should be cached 14869 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 14870 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 14871 // Other user still have this package installed, so all 14872 // we need to do is clear this user's data and save that 14873 // it is uninstalled. 14874 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 14875 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 14876 return false; 14877 } 14878 scheduleWritePackageRestrictionsLocked(user); 14879 return true; 14880 } else { 14881 // We need to set it back to 'installed' so the uninstall 14882 // broadcasts will be sent correctly. 14883 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 14884 ps.setInstalled(true, user.getIdentifier()); 14885 } 14886 } else { 14887 // This is a system app, so we assume that the 14888 // other users still have this package installed, so all 14889 // we need to do is clear this user's data and save that 14890 // it is uninstalled. 14891 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 14892 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 14893 return false; 14894 } 14895 scheduleWritePackageRestrictionsLocked(user); 14896 return true; 14897 } 14898 } 14899 14900 // If we are deleting a composite package for all users, keep track 14901 // of result for each child. 14902 if (ps.childPackageNames != null && outInfo != null) { 14903 synchronized (mPackages) { 14904 final int childCount = ps.childPackageNames.size(); 14905 outInfo.removedChildPackages = new ArrayMap<>(childCount); 14906 for (int i = 0; i < childCount; i++) { 14907 String childPackageName = ps.childPackageNames.get(i); 14908 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 14909 childInfo.removedPackage = childPackageName; 14910 outInfo.removedChildPackages.put(childPackageName, childInfo); 14911 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 14912 if (childPs != null) { 14913 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 14914 } 14915 } 14916 } 14917 } 14918 14919 boolean ret = false; 14920 if (isSystemApp(ps)) { 14921 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 14922 // When an updated system application is deleted we delete the existing resources 14923 // as well and fall back to existing code in system partition 14924 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 14925 } else { 14926 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 14927 // Kill application pre-emptively especially for apps on sd. 14928 final boolean killApp = (flags & PackageManager.DELETE_DONT_KILL_APP) == 0; 14929 if (killApp) { 14930 killApplication(packageName, ps.appId, "uninstall pkg"); 14931 } 14932 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, allUserHandles, 14933 outInfo, writeSettings, replacingPackage); 14934 } 14935 14936 // Take a note whether we deleted the package for all users 14937 if (outInfo != null) { 14938 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14939 if (outInfo.removedChildPackages != null) { 14940 synchronized (mPackages) { 14941 final int childCount = outInfo.removedChildPackages.size(); 14942 for (int i = 0; i < childCount; i++) { 14943 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 14944 if (childInfo != null) { 14945 childInfo.removedForAllUsers = mPackages.get( 14946 childInfo.removedPackage) == null; 14947 } 14948 } 14949 } 14950 } 14951 // If we uninstalled an update to a system app there may be some 14952 // child packages that appeared as they are declared in the system 14953 // app but were not declared in the update. 14954 if (isSystemApp(ps)) { 14955 synchronized (mPackages) { 14956 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 14957 final int childCount = (updatedPs.childPackageNames != null) 14958 ? updatedPs.childPackageNames.size() : 0; 14959 for (int i = 0; i < childCount; i++) { 14960 String childPackageName = updatedPs.childPackageNames.get(i); 14961 if (outInfo.removedChildPackages == null 14962 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 14963 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 14964 if (childPs == null) { 14965 continue; 14966 } 14967 PackageInstalledInfo installRes = new PackageInstalledInfo(); 14968 installRes.name = childPackageName; 14969 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 14970 installRes.pkg = mPackages.get(childPackageName); 14971 installRes.uid = childPs.pkg.applicationInfo.uid; 14972 if (outInfo.appearedChildPackages == null) { 14973 outInfo.appearedChildPackages = new ArrayMap<>(); 14974 } 14975 outInfo.appearedChildPackages.put(childPackageName, installRes); 14976 } 14977 } 14978 } 14979 } 14980 } 14981 14982 return ret; 14983 } 14984 14985 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 14986 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 14987 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 14988 for (int nextUserId : userIds) { 14989 if (DEBUG_REMOVE) { 14990 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 14991 } 14992 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 14993 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 14994 false /*hidden*/, false /*suspended*/, null, null, null, 14995 false /*blockUninstall*/, 14996 ps.readUserState(nextUserId).domainVerificationStatus, 0); 14997 } 14998 } 14999 15000 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 15001 PackageRemovedInfo outInfo) { 15002 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15003 : new int[] {userId}; 15004 for (int nextUserId : userIds) { 15005 if (DEBUG_REMOVE) { 15006 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15007 + nextUserId); 15008 } 15009 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 15010 try { 15011 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 15012 } catch (InstallerException e) { 15013 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 15014 return false; 15015 } 15016 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15017 schedulePackageCleaning(ps.name, nextUserId, false); 15018 synchronized (mPackages) { 15019 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15020 scheduleWritePackageRestrictionsLocked(nextUserId); 15021 } 15022 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15023 } 15024 } 15025 15026 if (outInfo != null) { 15027 outInfo.removedPackage = ps.name; 15028 outInfo.removedAppId = ps.appId; 15029 outInfo.removedUsers = userIds; 15030 } 15031 15032 return true; 15033 } 15034 15035 private final class ClearStorageConnection implements ServiceConnection { 15036 IMediaContainerService mContainerService; 15037 15038 @Override 15039 public void onServiceConnected(ComponentName name, IBinder service) { 15040 synchronized (this) { 15041 mContainerService = IMediaContainerService.Stub.asInterface(service); 15042 notifyAll(); 15043 } 15044 } 15045 15046 @Override 15047 public void onServiceDisconnected(ComponentName name) { 15048 } 15049 } 15050 15051 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15052 final boolean mounted; 15053 if (Environment.isExternalStorageEmulated()) { 15054 mounted = true; 15055 } else { 15056 final String status = Environment.getExternalStorageState(); 15057 15058 mounted = status.equals(Environment.MEDIA_MOUNTED) 15059 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15060 } 15061 15062 if (!mounted) { 15063 return; 15064 } 15065 15066 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15067 int[] users; 15068 if (userId == UserHandle.USER_ALL) { 15069 users = sUserManager.getUserIds(); 15070 } else { 15071 users = new int[] { userId }; 15072 } 15073 final ClearStorageConnection conn = new ClearStorageConnection(); 15074 if (mContext.bindServiceAsUser( 15075 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15076 try { 15077 for (int curUser : users) { 15078 long timeout = SystemClock.uptimeMillis() + 5000; 15079 synchronized (conn) { 15080 long now = SystemClock.uptimeMillis(); 15081 while (conn.mContainerService == null && now < timeout) { 15082 try { 15083 conn.wait(timeout - now); 15084 } catch (InterruptedException e) { 15085 } 15086 } 15087 } 15088 if (conn.mContainerService == null) { 15089 return; 15090 } 15091 15092 final UserEnvironment userEnv = new UserEnvironment(curUser); 15093 clearDirectory(conn.mContainerService, 15094 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15095 if (allData) { 15096 clearDirectory(conn.mContainerService, 15097 userEnv.buildExternalStorageAppDataDirs(packageName)); 15098 clearDirectory(conn.mContainerService, 15099 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15100 } 15101 } 15102 } finally { 15103 mContext.unbindService(conn); 15104 } 15105 } 15106 } 15107 15108 @Override 15109 public void clearApplicationUserData(final String packageName, 15110 final IPackageDataObserver observer, final int userId) { 15111 mContext.enforceCallingOrSelfPermission( 15112 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15113 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15114 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15115 // Queue up an async operation since the package deletion may take a little while. 15116 mHandler.post(new Runnable() { 15117 public void run() { 15118 mHandler.removeCallbacks(this); 15119 final boolean succeeded; 15120 synchronized (mInstallLock) { 15121 succeeded = clearApplicationUserDataLI(packageName, userId); 15122 } 15123 clearExternalStorageDataSync(packageName, userId, true); 15124 if (succeeded) { 15125 // invoke DeviceStorageMonitor's update method to clear any notifications 15126 DeviceStorageMonitorInternal 15127 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 15128 if (dsm != null) { 15129 dsm.checkMemory(); 15130 } 15131 } 15132 if(observer != null) { 15133 try { 15134 observer.onRemoveCompleted(packageName, succeeded); 15135 } catch (RemoteException e) { 15136 Log.i(TAG, "Observer no longer exists."); 15137 } 15138 } //end if observer 15139 } //end run 15140 }); 15141 } 15142 15143 private boolean clearApplicationUserDataLI(String packageName, int userId) { 15144 if (packageName == null) { 15145 Slog.w(TAG, "Attempt to delete null packageName."); 15146 return false; 15147 } 15148 15149 // Try finding details about the requested package 15150 PackageParser.Package pkg; 15151 synchronized (mPackages) { 15152 pkg = mPackages.get(packageName); 15153 if (pkg == null) { 15154 final PackageSetting ps = mSettings.mPackages.get(packageName); 15155 if (ps != null) { 15156 pkg = ps.pkg; 15157 } 15158 } 15159 15160 if (pkg == null) { 15161 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15162 return false; 15163 } 15164 15165 PackageSetting ps = (PackageSetting) pkg.mExtras; 15166 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15167 } 15168 15169 // Always delete data directories for package, even if we found no other 15170 // record of app. This helps users recover from UID mismatches without 15171 // resorting to a full data wipe. 15172 // TODO: triage flags as part of 26466827 15173 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15174 try { 15175 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 15176 } catch (InstallerException e) { 15177 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 15178 return false; 15179 } 15180 15181 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15182 removeKeystoreDataIfNeeded(userId, appId); 15183 15184 // Create a native library symlink only if we have native libraries 15185 // and if the native libraries are 32 bit libraries. We do not provide 15186 // this symlink for 64 bit libraries. 15187 if (pkg.applicationInfo.primaryCpuAbi != null && 15188 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 15189 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 15190 try { 15191 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 15192 nativeLibPath, userId); 15193 } catch (InstallerException e) { 15194 Slog.w(TAG, "Failed linking native library dir", e); 15195 return false; 15196 } 15197 } 15198 15199 return true; 15200 } 15201 15202 /** 15203 * Reverts user permission state changes (permissions and flags) in 15204 * all packages for a given user. 15205 * 15206 * @param userId The device user for which to do a reset. 15207 */ 15208 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15209 final int packageCount = mPackages.size(); 15210 for (int i = 0; i < packageCount; i++) { 15211 PackageParser.Package pkg = mPackages.valueAt(i); 15212 PackageSetting ps = (PackageSetting) pkg.mExtras; 15213 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15214 } 15215 } 15216 15217 /** 15218 * Reverts user permission state changes (permissions and flags). 15219 * 15220 * @param ps The package for which to reset. 15221 * @param userId The device user for which to do a reset. 15222 */ 15223 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15224 final PackageSetting ps, final int userId) { 15225 if (ps.pkg == null) { 15226 return; 15227 } 15228 15229 // These are flags that can change base on user actions. 15230 final int userSettableMask = FLAG_PERMISSION_USER_SET 15231 | FLAG_PERMISSION_USER_FIXED 15232 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15233 | FLAG_PERMISSION_REVIEW_REQUIRED; 15234 15235 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15236 | FLAG_PERMISSION_POLICY_FIXED; 15237 15238 boolean writeInstallPermissions = false; 15239 boolean writeRuntimePermissions = false; 15240 15241 final int permissionCount = ps.pkg.requestedPermissions.size(); 15242 for (int i = 0; i < permissionCount; i++) { 15243 String permission = ps.pkg.requestedPermissions.get(i); 15244 15245 BasePermission bp = mSettings.mPermissions.get(permission); 15246 if (bp == null) { 15247 continue; 15248 } 15249 15250 // If shared user we just reset the state to which only this app contributed. 15251 if (ps.sharedUser != null) { 15252 boolean used = false; 15253 final int packageCount = ps.sharedUser.packages.size(); 15254 for (int j = 0; j < packageCount; j++) { 15255 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15256 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15257 && pkg.pkg.requestedPermissions.contains(permission)) { 15258 used = true; 15259 break; 15260 } 15261 } 15262 if (used) { 15263 continue; 15264 } 15265 } 15266 15267 PermissionsState permissionsState = ps.getPermissionsState(); 15268 15269 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15270 15271 // Always clear the user settable flags. 15272 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15273 bp.name) != null; 15274 // If permission review is enabled and this is a legacy app, mark the 15275 // permission as requiring a review as this is the initial state. 15276 int flags = 0; 15277 if (Build.PERMISSIONS_REVIEW_REQUIRED 15278 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15279 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15280 } 15281 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15282 if (hasInstallState) { 15283 writeInstallPermissions = true; 15284 } else { 15285 writeRuntimePermissions = true; 15286 } 15287 } 15288 15289 // Below is only runtime permission handling. 15290 if (!bp.isRuntime()) { 15291 continue; 15292 } 15293 15294 // Never clobber system or policy. 15295 if ((oldFlags & policyOrSystemFlags) != 0) { 15296 continue; 15297 } 15298 15299 // If this permission was granted by default, make sure it is. 15300 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15301 if (permissionsState.grantRuntimePermission(bp, userId) 15302 != PERMISSION_OPERATION_FAILURE) { 15303 writeRuntimePermissions = true; 15304 } 15305 // If permission review is enabled the permissions for a legacy apps 15306 // are represented as constantly granted runtime ones, so don't revoke. 15307 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15308 // Otherwise, reset the permission. 15309 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15310 switch (revokeResult) { 15311 case PERMISSION_OPERATION_SUCCESS: { 15312 writeRuntimePermissions = true; 15313 } break; 15314 15315 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15316 writeRuntimePermissions = true; 15317 final int appId = ps.appId; 15318 mHandler.post(new Runnable() { 15319 @Override 15320 public void run() { 15321 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 15322 } 15323 }); 15324 } break; 15325 } 15326 } 15327 } 15328 15329 // Synchronously write as we are taking permissions away. 15330 if (writeRuntimePermissions) { 15331 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15332 } 15333 15334 // Synchronously write as we are taking permissions away. 15335 if (writeInstallPermissions) { 15336 mSettings.writeLPr(); 15337 } 15338 } 15339 15340 /** 15341 * Remove entries from the keystore daemon. Will only remove it if the 15342 * {@code appId} is valid. 15343 */ 15344 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15345 if (appId < 0) { 15346 return; 15347 } 15348 15349 final KeyStore keyStore = KeyStore.getInstance(); 15350 if (keyStore != null) { 15351 if (userId == UserHandle.USER_ALL) { 15352 for (final int individual : sUserManager.getUserIds()) { 15353 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15354 } 15355 } else { 15356 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15357 } 15358 } else { 15359 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15360 } 15361 } 15362 15363 @Override 15364 public void deleteApplicationCacheFiles(final String packageName, 15365 final IPackageDataObserver observer) { 15366 mContext.enforceCallingOrSelfPermission( 15367 android.Manifest.permission.DELETE_CACHE_FILES, null); 15368 // Queue up an async operation since the package deletion may take a little while. 15369 final int userId = UserHandle.getCallingUserId(); 15370 mHandler.post(new Runnable() { 15371 public void run() { 15372 mHandler.removeCallbacks(this); 15373 final boolean succeded; 15374 synchronized (mInstallLock) { 15375 succeded = deleteApplicationCacheFilesLI(packageName, userId); 15376 } 15377 clearExternalStorageDataSync(packageName, userId, false); 15378 if (observer != null) { 15379 try { 15380 observer.onRemoveCompleted(packageName, succeded); 15381 } catch (RemoteException e) { 15382 Log.i(TAG, "Observer no longer exists."); 15383 } 15384 } //end if observer 15385 } //end run 15386 }); 15387 } 15388 15389 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 15390 if (packageName == null) { 15391 Slog.w(TAG, "Attempt to delete null packageName."); 15392 return false; 15393 } 15394 PackageParser.Package p; 15395 synchronized (mPackages) { 15396 p = mPackages.get(packageName); 15397 } 15398 if (p == null) { 15399 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15400 return false; 15401 } 15402 final ApplicationInfo applicationInfo = p.applicationInfo; 15403 if (applicationInfo == null) { 15404 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15405 return false; 15406 } 15407 // TODO: triage flags as part of 26466827 15408 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15409 try { 15410 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 15411 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 15412 } catch (InstallerException e) { 15413 Slog.w(TAG, "Couldn't remove cache files for package " 15414 + packageName + " u" + userId, e); 15415 return false; 15416 } 15417 return true; 15418 } 15419 15420 @Override 15421 public void getPackageSizeInfo(final String packageName, int userHandle, 15422 final IPackageStatsObserver observer) { 15423 mContext.enforceCallingOrSelfPermission( 15424 android.Manifest.permission.GET_PACKAGE_SIZE, null); 15425 if (packageName == null) { 15426 throw new IllegalArgumentException("Attempt to get size of null packageName"); 15427 } 15428 15429 PackageStats stats = new PackageStats(packageName, userHandle); 15430 15431 /* 15432 * Queue up an async operation since the package measurement may take a 15433 * little while. 15434 */ 15435 Message msg = mHandler.obtainMessage(INIT_COPY); 15436 msg.obj = new MeasureParams(stats, observer); 15437 mHandler.sendMessage(msg); 15438 } 15439 15440 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 15441 PackageStats pStats) { 15442 if (packageName == null) { 15443 Slog.w(TAG, "Attempt to get size of null packageName."); 15444 return false; 15445 } 15446 PackageParser.Package p; 15447 boolean dataOnly = false; 15448 String libDirRoot = null; 15449 String asecPath = null; 15450 PackageSetting ps = null; 15451 synchronized (mPackages) { 15452 p = mPackages.get(packageName); 15453 ps = mSettings.mPackages.get(packageName); 15454 if(p == null) { 15455 dataOnly = true; 15456 if((ps == null) || (ps.pkg == null)) { 15457 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15458 return false; 15459 } 15460 p = ps.pkg; 15461 } 15462 if (ps != null) { 15463 libDirRoot = ps.legacyNativeLibraryPathString; 15464 } 15465 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 15466 final long token = Binder.clearCallingIdentity(); 15467 try { 15468 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 15469 if (secureContainerId != null) { 15470 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 15471 } 15472 } finally { 15473 Binder.restoreCallingIdentity(token); 15474 } 15475 } 15476 } 15477 String publicSrcDir = null; 15478 if(!dataOnly) { 15479 final ApplicationInfo applicationInfo = p.applicationInfo; 15480 if (applicationInfo == null) { 15481 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15482 return false; 15483 } 15484 if (p.isForwardLocked()) { 15485 publicSrcDir = applicationInfo.getBaseResourcePath(); 15486 } 15487 } 15488 // TODO: extend to measure size of split APKs 15489 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 15490 // not just the first level. 15491 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 15492 // just the primary. 15493 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 15494 15495 String apkPath; 15496 File packageDir = new File(p.codePath); 15497 15498 if (packageDir.isDirectory() && p.canHaveOatDir()) { 15499 apkPath = packageDir.getAbsolutePath(); 15500 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 15501 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 15502 libDirRoot = null; 15503 } 15504 } else { 15505 apkPath = p.baseCodePath; 15506 } 15507 15508 // TODO: triage flags as part of 26466827 15509 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15510 try { 15511 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 15512 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 15513 } catch (InstallerException e) { 15514 return false; 15515 } 15516 15517 // Fix-up for forward-locked applications in ASEC containers. 15518 if (!isExternal(p)) { 15519 pStats.codeSize += pStats.externalCodeSize; 15520 pStats.externalCodeSize = 0L; 15521 } 15522 15523 return true; 15524 } 15525 15526 15527 @Override 15528 public void addPackageToPreferred(String packageName) { 15529 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 15530 } 15531 15532 @Override 15533 public void removePackageFromPreferred(String packageName) { 15534 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 15535 } 15536 15537 @Override 15538 public List<PackageInfo> getPreferredPackages(int flags) { 15539 return new ArrayList<PackageInfo>(); 15540 } 15541 15542 private int getUidTargetSdkVersionLockedLPr(int uid) { 15543 Object obj = mSettings.getUserIdLPr(uid); 15544 if (obj instanceof SharedUserSetting) { 15545 final SharedUserSetting sus = (SharedUserSetting) obj; 15546 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 15547 final Iterator<PackageSetting> it = sus.packages.iterator(); 15548 while (it.hasNext()) { 15549 final PackageSetting ps = it.next(); 15550 if (ps.pkg != null) { 15551 int v = ps.pkg.applicationInfo.targetSdkVersion; 15552 if (v < vers) vers = v; 15553 } 15554 } 15555 return vers; 15556 } else if (obj instanceof PackageSetting) { 15557 final PackageSetting ps = (PackageSetting) obj; 15558 if (ps.pkg != null) { 15559 return ps.pkg.applicationInfo.targetSdkVersion; 15560 } 15561 } 15562 return Build.VERSION_CODES.CUR_DEVELOPMENT; 15563 } 15564 15565 @Override 15566 public void addPreferredActivity(IntentFilter filter, int match, 15567 ComponentName[] set, ComponentName activity, int userId) { 15568 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15569 "Adding preferred"); 15570 } 15571 15572 private void addPreferredActivityInternal(IntentFilter filter, int match, 15573 ComponentName[] set, ComponentName activity, boolean always, int userId, 15574 String opname) { 15575 // writer 15576 int callingUid = Binder.getCallingUid(); 15577 enforceCrossUserPermission(callingUid, userId, 15578 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 15579 if (filter.countActions() == 0) { 15580 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15581 return; 15582 } 15583 synchronized (mPackages) { 15584 if (mContext.checkCallingOrSelfPermission( 15585 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15586 != PackageManager.PERMISSION_GRANTED) { 15587 if (getUidTargetSdkVersionLockedLPr(callingUid) 15588 < Build.VERSION_CODES.FROYO) { 15589 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 15590 + callingUid); 15591 return; 15592 } 15593 mContext.enforceCallingOrSelfPermission( 15594 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15595 } 15596 15597 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 15598 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 15599 + userId + ":"); 15600 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15601 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 15602 scheduleWritePackageRestrictionsLocked(userId); 15603 } 15604 } 15605 15606 @Override 15607 public void replacePreferredActivity(IntentFilter filter, int match, 15608 ComponentName[] set, ComponentName activity, int userId) { 15609 if (filter.countActions() != 1) { 15610 throw new IllegalArgumentException( 15611 "replacePreferredActivity expects filter to have only 1 action."); 15612 } 15613 if (filter.countDataAuthorities() != 0 15614 || filter.countDataPaths() != 0 15615 || filter.countDataSchemes() > 1 15616 || filter.countDataTypes() != 0) { 15617 throw new IllegalArgumentException( 15618 "replacePreferredActivity expects filter to have no data authorities, " + 15619 "paths, or types; and at most one scheme."); 15620 } 15621 15622 final int callingUid = Binder.getCallingUid(); 15623 enforceCrossUserPermission(callingUid, userId, 15624 true /* requireFullPermission */, false /* checkShell */, 15625 "replace preferred activity"); 15626 synchronized (mPackages) { 15627 if (mContext.checkCallingOrSelfPermission( 15628 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15629 != PackageManager.PERMISSION_GRANTED) { 15630 if (getUidTargetSdkVersionLockedLPr(callingUid) 15631 < Build.VERSION_CODES.FROYO) { 15632 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 15633 + Binder.getCallingUid()); 15634 return; 15635 } 15636 mContext.enforceCallingOrSelfPermission( 15637 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15638 } 15639 15640 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15641 if (pir != null) { 15642 // Get all of the existing entries that exactly match this filter. 15643 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 15644 if (existing != null && existing.size() == 1) { 15645 PreferredActivity cur = existing.get(0); 15646 if (DEBUG_PREFERRED) { 15647 Slog.i(TAG, "Checking replace of preferred:"); 15648 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15649 if (!cur.mPref.mAlways) { 15650 Slog.i(TAG, " -- CUR; not mAlways!"); 15651 } else { 15652 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 15653 Slog.i(TAG, " -- CUR: mSet=" 15654 + Arrays.toString(cur.mPref.mSetComponents)); 15655 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 15656 Slog.i(TAG, " -- NEW: mMatch=" 15657 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 15658 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 15659 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 15660 } 15661 } 15662 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 15663 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 15664 && cur.mPref.sameSet(set)) { 15665 // Setting the preferred activity to what it happens to be already 15666 if (DEBUG_PREFERRED) { 15667 Slog.i(TAG, "Replacing with same preferred activity " 15668 + cur.mPref.mShortComponent + " for user " 15669 + userId + ":"); 15670 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15671 } 15672 return; 15673 } 15674 } 15675 15676 if (existing != null) { 15677 if (DEBUG_PREFERRED) { 15678 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 15679 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15680 } 15681 for (int i = 0; i < existing.size(); i++) { 15682 PreferredActivity pa = existing.get(i); 15683 if (DEBUG_PREFERRED) { 15684 Slog.i(TAG, "Removing existing preferred activity " 15685 + pa.mPref.mComponent + ":"); 15686 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 15687 } 15688 pir.removeFilter(pa); 15689 } 15690 } 15691 } 15692 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15693 "Replacing preferred"); 15694 } 15695 } 15696 15697 @Override 15698 public void clearPackagePreferredActivities(String packageName) { 15699 final int uid = Binder.getCallingUid(); 15700 // writer 15701 synchronized (mPackages) { 15702 PackageParser.Package pkg = mPackages.get(packageName); 15703 if (pkg == null || pkg.applicationInfo.uid != uid) { 15704 if (mContext.checkCallingOrSelfPermission( 15705 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15706 != PackageManager.PERMISSION_GRANTED) { 15707 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 15708 < Build.VERSION_CODES.FROYO) { 15709 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 15710 + Binder.getCallingUid()); 15711 return; 15712 } 15713 mContext.enforceCallingOrSelfPermission( 15714 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15715 } 15716 } 15717 15718 int user = UserHandle.getCallingUserId(); 15719 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 15720 scheduleWritePackageRestrictionsLocked(user); 15721 } 15722 } 15723 } 15724 15725 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15726 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 15727 ArrayList<PreferredActivity> removed = null; 15728 boolean changed = false; 15729 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15730 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 15731 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15732 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 15733 continue; 15734 } 15735 Iterator<PreferredActivity> it = pir.filterIterator(); 15736 while (it.hasNext()) { 15737 PreferredActivity pa = it.next(); 15738 // Mark entry for removal only if it matches the package name 15739 // and the entry is of type "always". 15740 if (packageName == null || 15741 (pa.mPref.mComponent.getPackageName().equals(packageName) 15742 && pa.mPref.mAlways)) { 15743 if (removed == null) { 15744 removed = new ArrayList<PreferredActivity>(); 15745 } 15746 removed.add(pa); 15747 } 15748 } 15749 if (removed != null) { 15750 for (int j=0; j<removed.size(); j++) { 15751 PreferredActivity pa = removed.get(j); 15752 pir.removeFilter(pa); 15753 } 15754 changed = true; 15755 } 15756 } 15757 return changed; 15758 } 15759 15760 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15761 private void clearIntentFilterVerificationsLPw(int userId) { 15762 final int packageCount = mPackages.size(); 15763 for (int i = 0; i < packageCount; i++) { 15764 PackageParser.Package pkg = mPackages.valueAt(i); 15765 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 15766 } 15767 } 15768 15769 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15770 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 15771 if (userId == UserHandle.USER_ALL) { 15772 if (mSettings.removeIntentFilterVerificationLPw(packageName, 15773 sUserManager.getUserIds())) { 15774 for (int oneUserId : sUserManager.getUserIds()) { 15775 scheduleWritePackageRestrictionsLocked(oneUserId); 15776 } 15777 } 15778 } else { 15779 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 15780 scheduleWritePackageRestrictionsLocked(userId); 15781 } 15782 } 15783 } 15784 15785 void clearDefaultBrowserIfNeeded(String packageName) { 15786 for (int oneUserId : sUserManager.getUserIds()) { 15787 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 15788 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 15789 if (packageName.equals(defaultBrowserPackageName)) { 15790 setDefaultBrowserPackageName(null, oneUserId); 15791 } 15792 } 15793 } 15794 15795 @Override 15796 public void resetApplicationPreferences(int userId) { 15797 mContext.enforceCallingOrSelfPermission( 15798 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15799 // writer 15800 synchronized (mPackages) { 15801 final long identity = Binder.clearCallingIdentity(); 15802 try { 15803 clearPackagePreferredActivitiesLPw(null, userId); 15804 mSettings.applyDefaultPreferredAppsLPw(this, userId); 15805 // TODO: We have to reset the default SMS and Phone. This requires 15806 // significant refactoring to keep all default apps in the package 15807 // manager (cleaner but more work) or have the services provide 15808 // callbacks to the package manager to request a default app reset. 15809 applyFactoryDefaultBrowserLPw(userId); 15810 clearIntentFilterVerificationsLPw(userId); 15811 primeDomainVerificationsLPw(userId); 15812 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 15813 scheduleWritePackageRestrictionsLocked(userId); 15814 } finally { 15815 Binder.restoreCallingIdentity(identity); 15816 } 15817 } 15818 } 15819 15820 @Override 15821 public int getPreferredActivities(List<IntentFilter> outFilters, 15822 List<ComponentName> outActivities, String packageName) { 15823 15824 int num = 0; 15825 final int userId = UserHandle.getCallingUserId(); 15826 // reader 15827 synchronized (mPackages) { 15828 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15829 if (pir != null) { 15830 final Iterator<PreferredActivity> it = pir.filterIterator(); 15831 while (it.hasNext()) { 15832 final PreferredActivity pa = it.next(); 15833 if (packageName == null 15834 || (pa.mPref.mComponent.getPackageName().equals(packageName) 15835 && pa.mPref.mAlways)) { 15836 if (outFilters != null) { 15837 outFilters.add(new IntentFilter(pa)); 15838 } 15839 if (outActivities != null) { 15840 outActivities.add(pa.mPref.mComponent); 15841 } 15842 } 15843 } 15844 } 15845 } 15846 15847 return num; 15848 } 15849 15850 @Override 15851 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 15852 int userId) { 15853 int callingUid = Binder.getCallingUid(); 15854 if (callingUid != Process.SYSTEM_UID) { 15855 throw new SecurityException( 15856 "addPersistentPreferredActivity can only be run by the system"); 15857 } 15858 if (filter.countActions() == 0) { 15859 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15860 return; 15861 } 15862 synchronized (mPackages) { 15863 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 15864 ":"); 15865 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15866 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 15867 new PersistentPreferredActivity(filter, activity)); 15868 scheduleWritePackageRestrictionsLocked(userId); 15869 } 15870 } 15871 15872 @Override 15873 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 15874 int callingUid = Binder.getCallingUid(); 15875 if (callingUid != Process.SYSTEM_UID) { 15876 throw new SecurityException( 15877 "clearPackagePersistentPreferredActivities can only be run by the system"); 15878 } 15879 ArrayList<PersistentPreferredActivity> removed = null; 15880 boolean changed = false; 15881 synchronized (mPackages) { 15882 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 15883 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 15884 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 15885 .valueAt(i); 15886 if (userId != thisUserId) { 15887 continue; 15888 } 15889 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 15890 while (it.hasNext()) { 15891 PersistentPreferredActivity ppa = it.next(); 15892 // Mark entry for removal only if it matches the package name. 15893 if (ppa.mComponent.getPackageName().equals(packageName)) { 15894 if (removed == null) { 15895 removed = new ArrayList<PersistentPreferredActivity>(); 15896 } 15897 removed.add(ppa); 15898 } 15899 } 15900 if (removed != null) { 15901 for (int j=0; j<removed.size(); j++) { 15902 PersistentPreferredActivity ppa = removed.get(j); 15903 ppir.removeFilter(ppa); 15904 } 15905 changed = true; 15906 } 15907 } 15908 15909 if (changed) { 15910 scheduleWritePackageRestrictionsLocked(userId); 15911 } 15912 } 15913 } 15914 15915 /** 15916 * Common machinery for picking apart a restored XML blob and passing 15917 * it to a caller-supplied functor to be applied to the running system. 15918 */ 15919 private void restoreFromXml(XmlPullParser parser, int userId, 15920 String expectedStartTag, BlobXmlRestorer functor) 15921 throws IOException, XmlPullParserException { 15922 int type; 15923 while ((type = parser.next()) != XmlPullParser.START_TAG 15924 && type != XmlPullParser.END_DOCUMENT) { 15925 } 15926 if (type != XmlPullParser.START_TAG) { 15927 // oops didn't find a start tag?! 15928 if (DEBUG_BACKUP) { 15929 Slog.e(TAG, "Didn't find start tag during restore"); 15930 } 15931 return; 15932 } 15933Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 15934 // this is supposed to be TAG_PREFERRED_BACKUP 15935 if (!expectedStartTag.equals(parser.getName())) { 15936 if (DEBUG_BACKUP) { 15937 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 15938 } 15939 return; 15940 } 15941 15942 // skip interfering stuff, then we're aligned with the backing implementation 15943 while ((type = parser.next()) == XmlPullParser.TEXT) { } 15944Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 15945 functor.apply(parser, userId); 15946 } 15947 15948 private interface BlobXmlRestorer { 15949 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 15950 } 15951 15952 /** 15953 * Non-Binder method, support for the backup/restore mechanism: write the 15954 * full set of preferred activities in its canonical XML format. Returns the 15955 * XML output as a byte array, or null if there is none. 15956 */ 15957 @Override 15958 public byte[] getPreferredActivityBackup(int userId) { 15959 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15960 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 15961 } 15962 15963 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15964 try { 15965 final XmlSerializer serializer = new FastXmlSerializer(); 15966 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15967 serializer.startDocument(null, true); 15968 serializer.startTag(null, TAG_PREFERRED_BACKUP); 15969 15970 synchronized (mPackages) { 15971 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 15972 } 15973 15974 serializer.endTag(null, TAG_PREFERRED_BACKUP); 15975 serializer.endDocument(); 15976 serializer.flush(); 15977 } catch (Exception e) { 15978 if (DEBUG_BACKUP) { 15979 Slog.e(TAG, "Unable to write preferred activities for backup", e); 15980 } 15981 return null; 15982 } 15983 15984 return dataStream.toByteArray(); 15985 } 15986 15987 @Override 15988 public void restorePreferredActivities(byte[] backup, int userId) { 15989 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15990 throw new SecurityException("Only the system may call restorePreferredActivities()"); 15991 } 15992 15993 try { 15994 final XmlPullParser parser = Xml.newPullParser(); 15995 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15996 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 15997 new BlobXmlRestorer() { 15998 @Override 15999 public void apply(XmlPullParser parser, int userId) 16000 throws XmlPullParserException, IOException { 16001 synchronized (mPackages) { 16002 mSettings.readPreferredActivitiesLPw(parser, userId); 16003 } 16004 } 16005 } ); 16006 } catch (Exception e) { 16007 if (DEBUG_BACKUP) { 16008 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16009 } 16010 } 16011 } 16012 16013 /** 16014 * Non-Binder method, support for the backup/restore mechanism: write the 16015 * default browser (etc) settings in its canonical XML format. Returns the default 16016 * browser XML representation as a byte array, or null if there is none. 16017 */ 16018 @Override 16019 public byte[] getDefaultAppsBackup(int userId) { 16020 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16021 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16022 } 16023 16024 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16025 try { 16026 final XmlSerializer serializer = new FastXmlSerializer(); 16027 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16028 serializer.startDocument(null, true); 16029 serializer.startTag(null, TAG_DEFAULT_APPS); 16030 16031 synchronized (mPackages) { 16032 mSettings.writeDefaultAppsLPr(serializer, userId); 16033 } 16034 16035 serializer.endTag(null, TAG_DEFAULT_APPS); 16036 serializer.endDocument(); 16037 serializer.flush(); 16038 } catch (Exception e) { 16039 if (DEBUG_BACKUP) { 16040 Slog.e(TAG, "Unable to write default apps for backup", e); 16041 } 16042 return null; 16043 } 16044 16045 return dataStream.toByteArray(); 16046 } 16047 16048 @Override 16049 public void restoreDefaultApps(byte[] backup, int userId) { 16050 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16051 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16052 } 16053 16054 try { 16055 final XmlPullParser parser = Xml.newPullParser(); 16056 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16057 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16058 new BlobXmlRestorer() { 16059 @Override 16060 public void apply(XmlPullParser parser, int userId) 16061 throws XmlPullParserException, IOException { 16062 synchronized (mPackages) { 16063 mSettings.readDefaultAppsLPw(parser, userId); 16064 } 16065 } 16066 } ); 16067 } catch (Exception e) { 16068 if (DEBUG_BACKUP) { 16069 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16070 } 16071 } 16072 } 16073 16074 @Override 16075 public byte[] getIntentFilterVerificationBackup(int userId) { 16076 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16077 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16078 } 16079 16080 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16081 try { 16082 final XmlSerializer serializer = new FastXmlSerializer(); 16083 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16084 serializer.startDocument(null, true); 16085 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16086 16087 synchronized (mPackages) { 16088 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16089 } 16090 16091 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16092 serializer.endDocument(); 16093 serializer.flush(); 16094 } catch (Exception e) { 16095 if (DEBUG_BACKUP) { 16096 Slog.e(TAG, "Unable to write default apps for backup", e); 16097 } 16098 return null; 16099 } 16100 16101 return dataStream.toByteArray(); 16102 } 16103 16104 @Override 16105 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16106 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16107 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16108 } 16109 16110 try { 16111 final XmlPullParser parser = Xml.newPullParser(); 16112 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16113 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16114 new BlobXmlRestorer() { 16115 @Override 16116 public void apply(XmlPullParser parser, int userId) 16117 throws XmlPullParserException, IOException { 16118 synchronized (mPackages) { 16119 mSettings.readAllDomainVerificationsLPr(parser, userId); 16120 mSettings.writeLPr(); 16121 } 16122 } 16123 } ); 16124 } catch (Exception e) { 16125 if (DEBUG_BACKUP) { 16126 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16127 } 16128 } 16129 } 16130 16131 @Override 16132 public byte[] getPermissionGrantBackup(int userId) { 16133 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16134 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16135 } 16136 16137 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16138 try { 16139 final XmlSerializer serializer = new FastXmlSerializer(); 16140 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16141 serializer.startDocument(null, true); 16142 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16143 16144 synchronized (mPackages) { 16145 serializeRuntimePermissionGrantsLPr(serializer, userId); 16146 } 16147 16148 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16149 serializer.endDocument(); 16150 serializer.flush(); 16151 } catch (Exception e) { 16152 if (DEBUG_BACKUP) { 16153 Slog.e(TAG, "Unable to write default apps for backup", e); 16154 } 16155 return null; 16156 } 16157 16158 return dataStream.toByteArray(); 16159 } 16160 16161 @Override 16162 public void restorePermissionGrants(byte[] backup, int userId) { 16163 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16164 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16165 } 16166 16167 try { 16168 final XmlPullParser parser = Xml.newPullParser(); 16169 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16170 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16171 new BlobXmlRestorer() { 16172 @Override 16173 public void apply(XmlPullParser parser, int userId) 16174 throws XmlPullParserException, IOException { 16175 synchronized (mPackages) { 16176 processRestoredPermissionGrantsLPr(parser, userId); 16177 } 16178 } 16179 } ); 16180 } catch (Exception e) { 16181 if (DEBUG_BACKUP) { 16182 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16183 } 16184 } 16185 } 16186 16187 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16188 throws IOException { 16189 serializer.startTag(null, TAG_ALL_GRANTS); 16190 16191 final int N = mSettings.mPackages.size(); 16192 for (int i = 0; i < N; i++) { 16193 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16194 boolean pkgGrantsKnown = false; 16195 16196 PermissionsState packagePerms = ps.getPermissionsState(); 16197 16198 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16199 final int grantFlags = state.getFlags(); 16200 // only look at grants that are not system/policy fixed 16201 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16202 final boolean isGranted = state.isGranted(); 16203 // And only back up the user-twiddled state bits 16204 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16205 final String packageName = mSettings.mPackages.keyAt(i); 16206 if (!pkgGrantsKnown) { 16207 serializer.startTag(null, TAG_GRANT); 16208 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16209 pkgGrantsKnown = true; 16210 } 16211 16212 final boolean userSet = 16213 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16214 final boolean userFixed = 16215 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16216 final boolean revoke = 16217 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16218 16219 serializer.startTag(null, TAG_PERMISSION); 16220 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16221 if (isGranted) { 16222 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16223 } 16224 if (userSet) { 16225 serializer.attribute(null, ATTR_USER_SET, "true"); 16226 } 16227 if (userFixed) { 16228 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16229 } 16230 if (revoke) { 16231 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16232 } 16233 serializer.endTag(null, TAG_PERMISSION); 16234 } 16235 } 16236 } 16237 16238 if (pkgGrantsKnown) { 16239 serializer.endTag(null, TAG_GRANT); 16240 } 16241 } 16242 16243 serializer.endTag(null, TAG_ALL_GRANTS); 16244 } 16245 16246 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16247 throws XmlPullParserException, IOException { 16248 String pkgName = null; 16249 int outerDepth = parser.getDepth(); 16250 int type; 16251 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16252 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16253 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16254 continue; 16255 } 16256 16257 final String tagName = parser.getName(); 16258 if (tagName.equals(TAG_GRANT)) { 16259 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16260 if (DEBUG_BACKUP) { 16261 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16262 } 16263 } else if (tagName.equals(TAG_PERMISSION)) { 16264 16265 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16266 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16267 16268 int newFlagSet = 0; 16269 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16270 newFlagSet |= FLAG_PERMISSION_USER_SET; 16271 } 16272 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16273 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16274 } 16275 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16276 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16277 } 16278 if (DEBUG_BACKUP) { 16279 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16280 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16281 } 16282 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16283 if (ps != null) { 16284 // Already installed so we apply the grant immediately 16285 if (DEBUG_BACKUP) { 16286 Slog.v(TAG, " + already installed; applying"); 16287 } 16288 PermissionsState perms = ps.getPermissionsState(); 16289 BasePermission bp = mSettings.mPermissions.get(permName); 16290 if (bp != null) { 16291 if (isGranted) { 16292 perms.grantRuntimePermission(bp, userId); 16293 } 16294 if (newFlagSet != 0) { 16295 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16296 } 16297 } 16298 } else { 16299 // Need to wait for post-restore install to apply the grant 16300 if (DEBUG_BACKUP) { 16301 Slog.v(TAG, " - not yet installed; saving for later"); 16302 } 16303 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16304 isGranted, newFlagSet, userId); 16305 } 16306 } else { 16307 PackageManagerService.reportSettingsProblem(Log.WARN, 16308 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16309 XmlUtils.skipCurrentTag(parser); 16310 } 16311 } 16312 16313 scheduleWriteSettingsLocked(); 16314 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16315 } 16316 16317 @Override 16318 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16319 int sourceUserId, int targetUserId, int flags) { 16320 mContext.enforceCallingOrSelfPermission( 16321 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16322 int callingUid = Binder.getCallingUid(); 16323 enforceOwnerRights(ownerPackage, callingUid); 16324 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16325 if (intentFilter.countActions() == 0) { 16326 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16327 return; 16328 } 16329 synchronized (mPackages) { 16330 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16331 ownerPackage, targetUserId, flags); 16332 CrossProfileIntentResolver resolver = 16333 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16334 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16335 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16336 if (existing != null) { 16337 int size = existing.size(); 16338 for (int i = 0; i < size; i++) { 16339 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16340 return; 16341 } 16342 } 16343 } 16344 resolver.addFilter(newFilter); 16345 scheduleWritePackageRestrictionsLocked(sourceUserId); 16346 } 16347 } 16348 16349 @Override 16350 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16351 mContext.enforceCallingOrSelfPermission( 16352 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16353 int callingUid = Binder.getCallingUid(); 16354 enforceOwnerRights(ownerPackage, callingUid); 16355 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16356 synchronized (mPackages) { 16357 CrossProfileIntentResolver resolver = 16358 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16359 ArraySet<CrossProfileIntentFilter> set = 16360 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16361 for (CrossProfileIntentFilter filter : set) { 16362 if (filter.getOwnerPackage().equals(ownerPackage)) { 16363 resolver.removeFilter(filter); 16364 } 16365 } 16366 scheduleWritePackageRestrictionsLocked(sourceUserId); 16367 } 16368 } 16369 16370 // Enforcing that callingUid is owning pkg on userId 16371 private void enforceOwnerRights(String pkg, int callingUid) { 16372 // The system owns everything. 16373 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16374 return; 16375 } 16376 int callingUserId = UserHandle.getUserId(callingUid); 16377 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16378 if (pi == null) { 16379 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16380 + callingUserId); 16381 } 16382 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16383 throw new SecurityException("Calling uid " + callingUid 16384 + " does not own package " + pkg); 16385 } 16386 } 16387 16388 @Override 16389 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16390 Intent intent = new Intent(Intent.ACTION_MAIN); 16391 intent.addCategory(Intent.CATEGORY_HOME); 16392 16393 final int callingUserId = UserHandle.getCallingUserId(); 16394 List<ResolveInfo> list = queryIntentActivities(intent, null, 16395 PackageManager.GET_META_DATA, callingUserId); 16396 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16397 true, false, false, callingUserId); 16398 16399 allHomeCandidates.clear(); 16400 if (list != null) { 16401 for (ResolveInfo ri : list) { 16402 allHomeCandidates.add(ri); 16403 } 16404 } 16405 return (preferred == null || preferred.activityInfo == null) 16406 ? null 16407 : new ComponentName(preferred.activityInfo.packageName, 16408 preferred.activityInfo.name); 16409 } 16410 16411 @Override 16412 public void setApplicationEnabledSetting(String appPackageName, 16413 int newState, int flags, int userId, String callingPackage) { 16414 if (!sUserManager.exists(userId)) return; 16415 if (callingPackage == null) { 16416 callingPackage = Integer.toString(Binder.getCallingUid()); 16417 } 16418 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 16419 } 16420 16421 @Override 16422 public void setComponentEnabledSetting(ComponentName componentName, 16423 int newState, int flags, int userId) { 16424 if (!sUserManager.exists(userId)) return; 16425 setEnabledSetting(componentName.getPackageName(), 16426 componentName.getClassName(), newState, flags, userId, null); 16427 } 16428 16429 private void setEnabledSetting(final String packageName, String className, int newState, 16430 final int flags, int userId, String callingPackage) { 16431 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 16432 || newState == COMPONENT_ENABLED_STATE_ENABLED 16433 || newState == COMPONENT_ENABLED_STATE_DISABLED 16434 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 16435 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 16436 throw new IllegalArgumentException("Invalid new component state: " 16437 + newState); 16438 } 16439 PackageSetting pkgSetting; 16440 final int uid = Binder.getCallingUid(); 16441 final int permission = mContext.checkCallingOrSelfPermission( 16442 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16443 enforceCrossUserPermission(uid, userId, 16444 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 16445 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16446 boolean sendNow = false; 16447 boolean isApp = (className == null); 16448 String componentName = isApp ? packageName : className; 16449 int packageUid = -1; 16450 ArrayList<String> components; 16451 16452 // writer 16453 synchronized (mPackages) { 16454 pkgSetting = mSettings.mPackages.get(packageName); 16455 if (pkgSetting == null) { 16456 if (className == null) { 16457 throw new IllegalArgumentException("Unknown package: " + packageName); 16458 } 16459 throw new IllegalArgumentException( 16460 "Unknown component: " + packageName + "/" + className); 16461 } 16462 // Allow root and verify that userId is not being specified by a different user 16463 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 16464 throw new SecurityException( 16465 "Permission Denial: attempt to change component state from pid=" 16466 + Binder.getCallingPid() 16467 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 16468 } 16469 if (className == null) { 16470 // We're dealing with an application/package level state change 16471 if (pkgSetting.getEnabled(userId) == newState) { 16472 // Nothing to do 16473 return; 16474 } 16475 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 16476 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 16477 // Don't care about who enables an app. 16478 callingPackage = null; 16479 } 16480 pkgSetting.setEnabled(newState, userId, callingPackage); 16481 // pkgSetting.pkg.mSetEnabled = newState; 16482 } else { 16483 // We're dealing with a component level state change 16484 // First, verify that this is a valid class name. 16485 PackageParser.Package pkg = pkgSetting.pkg; 16486 if (pkg == null || !pkg.hasComponentClassName(className)) { 16487 if (pkg != null && 16488 pkg.applicationInfo.targetSdkVersion >= 16489 Build.VERSION_CODES.JELLY_BEAN) { 16490 throw new IllegalArgumentException("Component class " + className 16491 + " does not exist in " + packageName); 16492 } else { 16493 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 16494 + className + " does not exist in " + packageName); 16495 } 16496 } 16497 switch (newState) { 16498 case COMPONENT_ENABLED_STATE_ENABLED: 16499 if (!pkgSetting.enableComponentLPw(className, userId)) { 16500 return; 16501 } 16502 break; 16503 case COMPONENT_ENABLED_STATE_DISABLED: 16504 if (!pkgSetting.disableComponentLPw(className, userId)) { 16505 return; 16506 } 16507 break; 16508 case COMPONENT_ENABLED_STATE_DEFAULT: 16509 if (!pkgSetting.restoreComponentLPw(className, userId)) { 16510 return; 16511 } 16512 break; 16513 default: 16514 Slog.e(TAG, "Invalid new component state: " + newState); 16515 return; 16516 } 16517 } 16518 scheduleWritePackageRestrictionsLocked(userId); 16519 components = mPendingBroadcasts.get(userId, packageName); 16520 final boolean newPackage = components == null; 16521 if (newPackage) { 16522 components = new ArrayList<String>(); 16523 } 16524 if (!components.contains(componentName)) { 16525 components.add(componentName); 16526 } 16527 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 16528 sendNow = true; 16529 // Purge entry from pending broadcast list if another one exists already 16530 // since we are sending one right away. 16531 mPendingBroadcasts.remove(userId, packageName); 16532 } else { 16533 if (newPackage) { 16534 mPendingBroadcasts.put(userId, packageName, components); 16535 } 16536 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 16537 // Schedule a message 16538 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 16539 } 16540 } 16541 } 16542 16543 long callingId = Binder.clearCallingIdentity(); 16544 try { 16545 if (sendNow) { 16546 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 16547 sendPackageChangedBroadcast(packageName, 16548 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 16549 } 16550 } finally { 16551 Binder.restoreCallingIdentity(callingId); 16552 } 16553 } 16554 16555 private void sendPackageChangedBroadcast(String packageName, 16556 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 16557 if (DEBUG_INSTALL) 16558 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 16559 + componentNames); 16560 Bundle extras = new Bundle(4); 16561 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 16562 String nameList[] = new String[componentNames.size()]; 16563 componentNames.toArray(nameList); 16564 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 16565 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 16566 extras.putInt(Intent.EXTRA_UID, packageUid); 16567 // If this is not reporting a change of the overall package, then only send it 16568 // to registered receivers. We don't want to launch a swath of apps for every 16569 // little component state change. 16570 final int flags = !componentNames.contains(packageName) 16571 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 16572 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 16573 new int[] {UserHandle.getUserId(packageUid)}); 16574 } 16575 16576 @Override 16577 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 16578 if (!sUserManager.exists(userId)) return; 16579 final int uid = Binder.getCallingUid(); 16580 final int permission = mContext.checkCallingOrSelfPermission( 16581 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16582 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16583 enforceCrossUserPermission(uid, userId, 16584 true /* requireFullPermission */, true /* checkShell */, "stop package"); 16585 // writer 16586 synchronized (mPackages) { 16587 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 16588 allowedByPermission, uid, userId)) { 16589 scheduleWritePackageRestrictionsLocked(userId); 16590 } 16591 } 16592 } 16593 16594 @Override 16595 public String getInstallerPackageName(String packageName) { 16596 // reader 16597 synchronized (mPackages) { 16598 return mSettings.getInstallerPackageNameLPr(packageName); 16599 } 16600 } 16601 16602 @Override 16603 public int getApplicationEnabledSetting(String packageName, int userId) { 16604 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16605 int uid = Binder.getCallingUid(); 16606 enforceCrossUserPermission(uid, userId, 16607 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 16608 // reader 16609 synchronized (mPackages) { 16610 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 16611 } 16612 } 16613 16614 @Override 16615 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 16616 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16617 int uid = Binder.getCallingUid(); 16618 enforceCrossUserPermission(uid, userId, 16619 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 16620 // reader 16621 synchronized (mPackages) { 16622 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 16623 } 16624 } 16625 16626 @Override 16627 public void enterSafeMode() { 16628 enforceSystemOrRoot("Only the system can request entering safe mode"); 16629 16630 if (!mSystemReady) { 16631 mSafeMode = true; 16632 } 16633 } 16634 16635 @Override 16636 public void systemReady() { 16637 mSystemReady = true; 16638 16639 // Read the compatibilty setting when the system is ready. 16640 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 16641 mContext.getContentResolver(), 16642 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 16643 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 16644 if (DEBUG_SETTINGS) { 16645 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 16646 } 16647 16648 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 16649 16650 synchronized (mPackages) { 16651 // Verify that all of the preferred activity components actually 16652 // exist. It is possible for applications to be updated and at 16653 // that point remove a previously declared activity component that 16654 // had been set as a preferred activity. We try to clean this up 16655 // the next time we encounter that preferred activity, but it is 16656 // possible for the user flow to never be able to return to that 16657 // situation so here we do a sanity check to make sure we haven't 16658 // left any junk around. 16659 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 16660 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16661 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16662 removed.clear(); 16663 for (PreferredActivity pa : pir.filterSet()) { 16664 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 16665 removed.add(pa); 16666 } 16667 } 16668 if (removed.size() > 0) { 16669 for (int r=0; r<removed.size(); r++) { 16670 PreferredActivity pa = removed.get(r); 16671 Slog.w(TAG, "Removing dangling preferred activity: " 16672 + pa.mPref.mComponent); 16673 pir.removeFilter(pa); 16674 } 16675 mSettings.writePackageRestrictionsLPr( 16676 mSettings.mPreferredActivities.keyAt(i)); 16677 } 16678 } 16679 16680 for (int userId : UserManagerService.getInstance().getUserIds()) { 16681 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 16682 grantPermissionsUserIds = ArrayUtils.appendInt( 16683 grantPermissionsUserIds, userId); 16684 } 16685 } 16686 } 16687 sUserManager.systemReady(); 16688 16689 // If we upgraded grant all default permissions before kicking off. 16690 for (int userId : grantPermissionsUserIds) { 16691 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 16692 } 16693 16694 // Kick off any messages waiting for system ready 16695 if (mPostSystemReadyMessages != null) { 16696 for (Message msg : mPostSystemReadyMessages) { 16697 msg.sendToTarget(); 16698 } 16699 mPostSystemReadyMessages = null; 16700 } 16701 16702 // Watch for external volumes that come and go over time 16703 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16704 storage.registerListener(mStorageListener); 16705 16706 mInstallerService.systemReady(); 16707 mPackageDexOptimizer.systemReady(); 16708 16709 MountServiceInternal mountServiceInternal = LocalServices.getService( 16710 MountServiceInternal.class); 16711 mountServiceInternal.addExternalStoragePolicy( 16712 new MountServiceInternal.ExternalStorageMountPolicy() { 16713 @Override 16714 public int getMountMode(int uid, String packageName) { 16715 if (Process.isIsolated(uid)) { 16716 return Zygote.MOUNT_EXTERNAL_NONE; 16717 } 16718 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 16719 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16720 } 16721 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16722 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16723 } 16724 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16725 return Zygote.MOUNT_EXTERNAL_READ; 16726 } 16727 return Zygote.MOUNT_EXTERNAL_WRITE; 16728 } 16729 16730 @Override 16731 public boolean hasExternalStorage(int uid, String packageName) { 16732 return true; 16733 } 16734 }); 16735 } 16736 16737 @Override 16738 public boolean isSafeMode() { 16739 return mSafeMode; 16740 } 16741 16742 @Override 16743 public boolean hasSystemUidErrors() { 16744 return mHasSystemUidErrors; 16745 } 16746 16747 static String arrayToString(int[] array) { 16748 StringBuffer buf = new StringBuffer(128); 16749 buf.append('['); 16750 if (array != null) { 16751 for (int i=0; i<array.length; i++) { 16752 if (i > 0) buf.append(", "); 16753 buf.append(array[i]); 16754 } 16755 } 16756 buf.append(']'); 16757 return buf.toString(); 16758 } 16759 16760 static class DumpState { 16761 public static final int DUMP_LIBS = 1 << 0; 16762 public static final int DUMP_FEATURES = 1 << 1; 16763 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 16764 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 16765 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 16766 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 16767 public static final int DUMP_PERMISSIONS = 1 << 6; 16768 public static final int DUMP_PACKAGES = 1 << 7; 16769 public static final int DUMP_SHARED_USERS = 1 << 8; 16770 public static final int DUMP_MESSAGES = 1 << 9; 16771 public static final int DUMP_PROVIDERS = 1 << 10; 16772 public static final int DUMP_VERIFIERS = 1 << 11; 16773 public static final int DUMP_PREFERRED = 1 << 12; 16774 public static final int DUMP_PREFERRED_XML = 1 << 13; 16775 public static final int DUMP_KEYSETS = 1 << 14; 16776 public static final int DUMP_VERSION = 1 << 15; 16777 public static final int DUMP_INSTALLS = 1 << 16; 16778 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 16779 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 16780 16781 public static final int OPTION_SHOW_FILTERS = 1 << 0; 16782 16783 private int mTypes; 16784 16785 private int mOptions; 16786 16787 private boolean mTitlePrinted; 16788 16789 private SharedUserSetting mSharedUser; 16790 16791 public boolean isDumping(int type) { 16792 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 16793 return true; 16794 } 16795 16796 return (mTypes & type) != 0; 16797 } 16798 16799 public void setDump(int type) { 16800 mTypes |= type; 16801 } 16802 16803 public boolean isOptionEnabled(int option) { 16804 return (mOptions & option) != 0; 16805 } 16806 16807 public void setOptionEnabled(int option) { 16808 mOptions |= option; 16809 } 16810 16811 public boolean onTitlePrinted() { 16812 final boolean printed = mTitlePrinted; 16813 mTitlePrinted = true; 16814 return printed; 16815 } 16816 16817 public boolean getTitlePrinted() { 16818 return mTitlePrinted; 16819 } 16820 16821 public void setTitlePrinted(boolean enabled) { 16822 mTitlePrinted = enabled; 16823 } 16824 16825 public SharedUserSetting getSharedUser() { 16826 return mSharedUser; 16827 } 16828 16829 public void setSharedUser(SharedUserSetting user) { 16830 mSharedUser = user; 16831 } 16832 } 16833 16834 @Override 16835 public void onShellCommand(FileDescriptor in, FileDescriptor out, 16836 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 16837 (new PackageManagerShellCommand(this)).exec( 16838 this, in, out, err, args, resultReceiver); 16839 } 16840 16841 @Override 16842 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 16843 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 16844 != PackageManager.PERMISSION_GRANTED) { 16845 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 16846 + Binder.getCallingPid() 16847 + ", uid=" + Binder.getCallingUid() 16848 + " without permission " 16849 + android.Manifest.permission.DUMP); 16850 return; 16851 } 16852 16853 DumpState dumpState = new DumpState(); 16854 boolean fullPreferred = false; 16855 boolean checkin = false; 16856 16857 String packageName = null; 16858 ArraySet<String> permissionNames = null; 16859 16860 int opti = 0; 16861 while (opti < args.length) { 16862 String opt = args[opti]; 16863 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 16864 break; 16865 } 16866 opti++; 16867 16868 if ("-a".equals(opt)) { 16869 // Right now we only know how to print all. 16870 } else if ("-h".equals(opt)) { 16871 pw.println("Package manager dump options:"); 16872 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 16873 pw.println(" --checkin: dump for a checkin"); 16874 pw.println(" -f: print details of intent filters"); 16875 pw.println(" -h: print this help"); 16876 pw.println(" cmd may be one of:"); 16877 pw.println(" l[ibraries]: list known shared libraries"); 16878 pw.println(" f[eatures]: list device features"); 16879 pw.println(" k[eysets]: print known keysets"); 16880 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 16881 pw.println(" perm[issions]: dump permissions"); 16882 pw.println(" permission [name ...]: dump declaration and use of given permission"); 16883 pw.println(" pref[erred]: print preferred package settings"); 16884 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 16885 pw.println(" prov[iders]: dump content providers"); 16886 pw.println(" p[ackages]: dump installed packages"); 16887 pw.println(" s[hared-users]: dump shared user IDs"); 16888 pw.println(" m[essages]: print collected runtime messages"); 16889 pw.println(" v[erifiers]: print package verifier info"); 16890 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 16891 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 16892 pw.println(" version: print database version info"); 16893 pw.println(" write: write current settings now"); 16894 pw.println(" installs: details about install sessions"); 16895 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 16896 pw.println(" <package.name>: info about given package"); 16897 return; 16898 } else if ("--checkin".equals(opt)) { 16899 checkin = true; 16900 } else if ("-f".equals(opt)) { 16901 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 16902 } else { 16903 pw.println("Unknown argument: " + opt + "; use -h for help"); 16904 } 16905 } 16906 16907 // Is the caller requesting to dump a particular piece of data? 16908 if (opti < args.length) { 16909 String cmd = args[opti]; 16910 opti++; 16911 // Is this a package name? 16912 if ("android".equals(cmd) || cmd.contains(".")) { 16913 packageName = cmd; 16914 // When dumping a single package, we always dump all of its 16915 // filter information since the amount of data will be reasonable. 16916 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 16917 } else if ("check-permission".equals(cmd)) { 16918 if (opti >= args.length) { 16919 pw.println("Error: check-permission missing permission argument"); 16920 return; 16921 } 16922 String perm = args[opti]; 16923 opti++; 16924 if (opti >= args.length) { 16925 pw.println("Error: check-permission missing package argument"); 16926 return; 16927 } 16928 String pkg = args[opti]; 16929 opti++; 16930 int user = UserHandle.getUserId(Binder.getCallingUid()); 16931 if (opti < args.length) { 16932 try { 16933 user = Integer.parseInt(args[opti]); 16934 } catch (NumberFormatException e) { 16935 pw.println("Error: check-permission user argument is not a number: " 16936 + args[opti]); 16937 return; 16938 } 16939 } 16940 pw.println(checkPermission(perm, pkg, user)); 16941 return; 16942 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 16943 dumpState.setDump(DumpState.DUMP_LIBS); 16944 } else if ("f".equals(cmd) || "features".equals(cmd)) { 16945 dumpState.setDump(DumpState.DUMP_FEATURES); 16946 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 16947 if (opti >= args.length) { 16948 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 16949 | DumpState.DUMP_SERVICE_RESOLVERS 16950 | DumpState.DUMP_RECEIVER_RESOLVERS 16951 | DumpState.DUMP_CONTENT_RESOLVERS); 16952 } else { 16953 while (opti < args.length) { 16954 String name = args[opti]; 16955 if ("a".equals(name) || "activity".equals(name)) { 16956 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 16957 } else if ("s".equals(name) || "service".equals(name)) { 16958 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 16959 } else if ("r".equals(name) || "receiver".equals(name)) { 16960 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 16961 } else if ("c".equals(name) || "content".equals(name)) { 16962 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 16963 } else { 16964 pw.println("Error: unknown resolver table type: " + name); 16965 return; 16966 } 16967 opti++; 16968 } 16969 } 16970 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 16971 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 16972 } else if ("permission".equals(cmd)) { 16973 if (opti >= args.length) { 16974 pw.println("Error: permission requires permission name"); 16975 return; 16976 } 16977 permissionNames = new ArraySet<>(); 16978 while (opti < args.length) { 16979 permissionNames.add(args[opti]); 16980 opti++; 16981 } 16982 dumpState.setDump(DumpState.DUMP_PERMISSIONS 16983 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 16984 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 16985 dumpState.setDump(DumpState.DUMP_PREFERRED); 16986 } else if ("preferred-xml".equals(cmd)) { 16987 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 16988 if (opti < args.length && "--full".equals(args[opti])) { 16989 fullPreferred = true; 16990 opti++; 16991 } 16992 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 16993 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 16994 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 16995 dumpState.setDump(DumpState.DUMP_PACKAGES); 16996 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 16997 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 16998 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 16999 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17000 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17001 dumpState.setDump(DumpState.DUMP_MESSAGES); 17002 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17003 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17004 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17005 || "intent-filter-verifiers".equals(cmd)) { 17006 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17007 } else if ("version".equals(cmd)) { 17008 dumpState.setDump(DumpState.DUMP_VERSION); 17009 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17010 dumpState.setDump(DumpState.DUMP_KEYSETS); 17011 } else if ("installs".equals(cmd)) { 17012 dumpState.setDump(DumpState.DUMP_INSTALLS); 17013 } else if ("write".equals(cmd)) { 17014 synchronized (mPackages) { 17015 mSettings.writeLPr(); 17016 pw.println("Settings written."); 17017 return; 17018 } 17019 } 17020 } 17021 17022 if (checkin) { 17023 pw.println("vers,1"); 17024 } 17025 17026 // reader 17027 synchronized (mPackages) { 17028 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17029 if (!checkin) { 17030 if (dumpState.onTitlePrinted()) 17031 pw.println(); 17032 pw.println("Database versions:"); 17033 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17034 } 17035 } 17036 17037 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17038 if (!checkin) { 17039 if (dumpState.onTitlePrinted()) 17040 pw.println(); 17041 pw.println("Verifiers:"); 17042 pw.print(" Required: "); 17043 pw.print(mRequiredVerifierPackage); 17044 pw.print(" (uid="); 17045 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17046 UserHandle.USER_SYSTEM)); 17047 pw.println(")"); 17048 } else if (mRequiredVerifierPackage != null) { 17049 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17050 pw.print(","); 17051 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17052 UserHandle.USER_SYSTEM)); 17053 } 17054 } 17055 17056 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17057 packageName == null) { 17058 if (mIntentFilterVerifierComponent != null) { 17059 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17060 if (!checkin) { 17061 if (dumpState.onTitlePrinted()) 17062 pw.println(); 17063 pw.println("Intent Filter Verifier:"); 17064 pw.print(" Using: "); 17065 pw.print(verifierPackageName); 17066 pw.print(" (uid="); 17067 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17068 UserHandle.USER_SYSTEM)); 17069 pw.println(")"); 17070 } else if (verifierPackageName != null) { 17071 pw.print("ifv,"); pw.print(verifierPackageName); 17072 pw.print(","); 17073 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17074 UserHandle.USER_SYSTEM)); 17075 } 17076 } else { 17077 pw.println(); 17078 pw.println("No Intent Filter Verifier available!"); 17079 } 17080 } 17081 17082 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17083 boolean printedHeader = false; 17084 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17085 while (it.hasNext()) { 17086 String name = it.next(); 17087 SharedLibraryEntry ent = mSharedLibraries.get(name); 17088 if (!checkin) { 17089 if (!printedHeader) { 17090 if (dumpState.onTitlePrinted()) 17091 pw.println(); 17092 pw.println("Libraries:"); 17093 printedHeader = true; 17094 } 17095 pw.print(" "); 17096 } else { 17097 pw.print("lib,"); 17098 } 17099 pw.print(name); 17100 if (!checkin) { 17101 pw.print(" -> "); 17102 } 17103 if (ent.path != null) { 17104 if (!checkin) { 17105 pw.print("(jar) "); 17106 pw.print(ent.path); 17107 } else { 17108 pw.print(",jar,"); 17109 pw.print(ent.path); 17110 } 17111 } else { 17112 if (!checkin) { 17113 pw.print("(apk) "); 17114 pw.print(ent.apk); 17115 } else { 17116 pw.print(",apk,"); 17117 pw.print(ent.apk); 17118 } 17119 } 17120 pw.println(); 17121 } 17122 } 17123 17124 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17125 if (dumpState.onTitlePrinted()) 17126 pw.println(); 17127 if (!checkin) { 17128 pw.println("Features:"); 17129 } 17130 17131 for (FeatureInfo feat : mAvailableFeatures.values()) { 17132 if (checkin) { 17133 pw.print("feat,"); 17134 pw.print(feat.name); 17135 pw.print(","); 17136 pw.println(feat.version); 17137 } else { 17138 pw.print(" "); 17139 pw.print(feat.name); 17140 if (feat.version > 0) { 17141 pw.print(" version="); 17142 pw.print(feat.version); 17143 } 17144 pw.println(); 17145 } 17146 } 17147 } 17148 17149 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17150 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17151 : "Activity Resolver Table:", " ", packageName, 17152 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17153 dumpState.setTitlePrinted(true); 17154 } 17155 } 17156 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17157 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17158 : "Receiver Resolver Table:", " ", packageName, 17159 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17160 dumpState.setTitlePrinted(true); 17161 } 17162 } 17163 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17164 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17165 : "Service Resolver Table:", " ", packageName, 17166 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17167 dumpState.setTitlePrinted(true); 17168 } 17169 } 17170 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17171 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17172 : "Provider Resolver Table:", " ", packageName, 17173 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17174 dumpState.setTitlePrinted(true); 17175 } 17176 } 17177 17178 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17179 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17180 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17181 int user = mSettings.mPreferredActivities.keyAt(i); 17182 if (pir.dump(pw, 17183 dumpState.getTitlePrinted() 17184 ? "\nPreferred Activities User " + user + ":" 17185 : "Preferred Activities User " + user + ":", " ", 17186 packageName, true, false)) { 17187 dumpState.setTitlePrinted(true); 17188 } 17189 } 17190 } 17191 17192 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17193 pw.flush(); 17194 FileOutputStream fout = new FileOutputStream(fd); 17195 BufferedOutputStream str = new BufferedOutputStream(fout); 17196 XmlSerializer serializer = new FastXmlSerializer(); 17197 try { 17198 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17199 serializer.startDocument(null, true); 17200 serializer.setFeature( 17201 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17202 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17203 serializer.endDocument(); 17204 serializer.flush(); 17205 } catch (IllegalArgumentException e) { 17206 pw.println("Failed writing: " + e); 17207 } catch (IllegalStateException e) { 17208 pw.println("Failed writing: " + e); 17209 } catch (IOException e) { 17210 pw.println("Failed writing: " + e); 17211 } 17212 } 17213 17214 if (!checkin 17215 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17216 && packageName == null) { 17217 pw.println(); 17218 int count = mSettings.mPackages.size(); 17219 if (count == 0) { 17220 pw.println("No applications!"); 17221 pw.println(); 17222 } else { 17223 final String prefix = " "; 17224 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17225 if (allPackageSettings.size() == 0) { 17226 pw.println("No domain preferred apps!"); 17227 pw.println(); 17228 } else { 17229 pw.println("App verification status:"); 17230 pw.println(); 17231 count = 0; 17232 for (PackageSetting ps : allPackageSettings) { 17233 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17234 if (ivi == null || ivi.getPackageName() == null) continue; 17235 pw.println(prefix + "Package: " + ivi.getPackageName()); 17236 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17237 pw.println(prefix + "Status: " + ivi.getStatusString()); 17238 pw.println(); 17239 count++; 17240 } 17241 if (count == 0) { 17242 pw.println(prefix + "No app verification established."); 17243 pw.println(); 17244 } 17245 for (int userId : sUserManager.getUserIds()) { 17246 pw.println("App linkages for user " + userId + ":"); 17247 pw.println(); 17248 count = 0; 17249 for (PackageSetting ps : allPackageSettings) { 17250 final long status = ps.getDomainVerificationStatusForUser(userId); 17251 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17252 continue; 17253 } 17254 pw.println(prefix + "Package: " + ps.name); 17255 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17256 String statusStr = IntentFilterVerificationInfo. 17257 getStatusStringFromValue(status); 17258 pw.println(prefix + "Status: " + statusStr); 17259 pw.println(); 17260 count++; 17261 } 17262 if (count == 0) { 17263 pw.println(prefix + "No configured app linkages."); 17264 pw.println(); 17265 } 17266 } 17267 } 17268 } 17269 } 17270 17271 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17272 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17273 if (packageName == null && permissionNames == null) { 17274 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17275 if (iperm == 0) { 17276 if (dumpState.onTitlePrinted()) 17277 pw.println(); 17278 pw.println("AppOp Permissions:"); 17279 } 17280 pw.print(" AppOp Permission "); 17281 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17282 pw.println(":"); 17283 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17284 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17285 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17286 } 17287 } 17288 } 17289 } 17290 17291 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17292 boolean printedSomething = false; 17293 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17294 if (packageName != null && !packageName.equals(p.info.packageName)) { 17295 continue; 17296 } 17297 if (!printedSomething) { 17298 if (dumpState.onTitlePrinted()) 17299 pw.println(); 17300 pw.println("Registered ContentProviders:"); 17301 printedSomething = true; 17302 } 17303 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17304 pw.print(" "); pw.println(p.toString()); 17305 } 17306 printedSomething = false; 17307 for (Map.Entry<String, PackageParser.Provider> entry : 17308 mProvidersByAuthority.entrySet()) { 17309 PackageParser.Provider p = entry.getValue(); 17310 if (packageName != null && !packageName.equals(p.info.packageName)) { 17311 continue; 17312 } 17313 if (!printedSomething) { 17314 if (dumpState.onTitlePrinted()) 17315 pw.println(); 17316 pw.println("ContentProvider Authorities:"); 17317 printedSomething = true; 17318 } 17319 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17320 pw.print(" "); pw.println(p.toString()); 17321 if (p.info != null && p.info.applicationInfo != null) { 17322 final String appInfo = p.info.applicationInfo.toString(); 17323 pw.print(" applicationInfo="); pw.println(appInfo); 17324 } 17325 } 17326 } 17327 17328 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17329 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17330 } 17331 17332 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17333 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17334 } 17335 17336 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17337 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17338 } 17339 17340 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17341 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17342 } 17343 17344 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17345 // XXX should handle packageName != null by dumping only install data that 17346 // the given package is involved with. 17347 if (dumpState.onTitlePrinted()) pw.println(); 17348 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17349 } 17350 17351 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17352 if (dumpState.onTitlePrinted()) pw.println(); 17353 mSettings.dumpReadMessagesLPr(pw, dumpState); 17354 17355 pw.println(); 17356 pw.println("Package warning messages:"); 17357 BufferedReader in = null; 17358 String line = null; 17359 try { 17360 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17361 while ((line = in.readLine()) != null) { 17362 if (line.contains("ignored: updated version")) continue; 17363 pw.println(line); 17364 } 17365 } catch (IOException ignored) { 17366 } finally { 17367 IoUtils.closeQuietly(in); 17368 } 17369 } 17370 17371 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 17372 BufferedReader in = null; 17373 String line = null; 17374 try { 17375 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17376 while ((line = in.readLine()) != null) { 17377 if (line.contains("ignored: updated version")) continue; 17378 pw.print("msg,"); 17379 pw.println(line); 17380 } 17381 } catch (IOException ignored) { 17382 } finally { 17383 IoUtils.closeQuietly(in); 17384 } 17385 } 17386 } 17387 } 17388 17389 private String dumpDomainString(String packageName) { 17390 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 17391 List<IntentFilter> filters = getAllIntentFilters(packageName); 17392 17393 ArraySet<String> result = new ArraySet<>(); 17394 if (iviList.size() > 0) { 17395 for (IntentFilterVerificationInfo ivi : iviList) { 17396 for (String host : ivi.getDomains()) { 17397 result.add(host); 17398 } 17399 } 17400 } 17401 if (filters != null && filters.size() > 0) { 17402 for (IntentFilter filter : filters) { 17403 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 17404 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 17405 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 17406 result.addAll(filter.getHostsList()); 17407 } 17408 } 17409 } 17410 17411 StringBuilder sb = new StringBuilder(result.size() * 16); 17412 for (String domain : result) { 17413 if (sb.length() > 0) sb.append(" "); 17414 sb.append(domain); 17415 } 17416 return sb.toString(); 17417 } 17418 17419 // ------- apps on sdcard specific code ------- 17420 static final boolean DEBUG_SD_INSTALL = false; 17421 17422 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 17423 17424 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 17425 17426 private boolean mMediaMounted = false; 17427 17428 static String getEncryptKey() { 17429 try { 17430 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 17431 SD_ENCRYPTION_KEYSTORE_NAME); 17432 if (sdEncKey == null) { 17433 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 17434 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 17435 if (sdEncKey == null) { 17436 Slog.e(TAG, "Failed to create encryption keys"); 17437 return null; 17438 } 17439 } 17440 return sdEncKey; 17441 } catch (NoSuchAlgorithmException nsae) { 17442 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 17443 return null; 17444 } catch (IOException ioe) { 17445 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 17446 return null; 17447 } 17448 } 17449 17450 /* 17451 * Update media status on PackageManager. 17452 */ 17453 @Override 17454 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 17455 int callingUid = Binder.getCallingUid(); 17456 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 17457 throw new SecurityException("Media status can only be updated by the system"); 17458 } 17459 // reader; this apparently protects mMediaMounted, but should probably 17460 // be a different lock in that case. 17461 synchronized (mPackages) { 17462 Log.i(TAG, "Updating external media status from " 17463 + (mMediaMounted ? "mounted" : "unmounted") + " to " 17464 + (mediaStatus ? "mounted" : "unmounted")); 17465 if (DEBUG_SD_INSTALL) 17466 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 17467 + ", mMediaMounted=" + mMediaMounted); 17468 if (mediaStatus == mMediaMounted) { 17469 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 17470 : 0, -1); 17471 mHandler.sendMessage(msg); 17472 return; 17473 } 17474 mMediaMounted = mediaStatus; 17475 } 17476 // Queue up an async operation since the package installation may take a 17477 // little while. 17478 mHandler.post(new Runnable() { 17479 public void run() { 17480 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 17481 } 17482 }); 17483 } 17484 17485 /** 17486 * Called by MountService when the initial ASECs to scan are available. 17487 * Should block until all the ASEC containers are finished being scanned. 17488 */ 17489 public void scanAvailableAsecs() { 17490 updateExternalMediaStatusInner(true, false, false); 17491 } 17492 17493 /* 17494 * Collect information of applications on external media, map them against 17495 * existing containers and update information based on current mount status. 17496 * Please note that we always have to report status if reportStatus has been 17497 * set to true especially when unloading packages. 17498 */ 17499 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 17500 boolean externalStorage) { 17501 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 17502 int[] uidArr = EmptyArray.INT; 17503 17504 final String[] list = PackageHelper.getSecureContainerList(); 17505 if (ArrayUtils.isEmpty(list)) { 17506 Log.i(TAG, "No secure containers found"); 17507 } else { 17508 // Process list of secure containers and categorize them 17509 // as active or stale based on their package internal state. 17510 17511 // reader 17512 synchronized (mPackages) { 17513 for (String cid : list) { 17514 // Leave stages untouched for now; installer service owns them 17515 if (PackageInstallerService.isStageName(cid)) continue; 17516 17517 if (DEBUG_SD_INSTALL) 17518 Log.i(TAG, "Processing container " + cid); 17519 String pkgName = getAsecPackageName(cid); 17520 if (pkgName == null) { 17521 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 17522 continue; 17523 } 17524 if (DEBUG_SD_INSTALL) 17525 Log.i(TAG, "Looking for pkg : " + pkgName); 17526 17527 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17528 if (ps == null) { 17529 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 17530 continue; 17531 } 17532 17533 /* 17534 * Skip packages that are not external if we're unmounting 17535 * external storage. 17536 */ 17537 if (externalStorage && !isMounted && !isExternal(ps)) { 17538 continue; 17539 } 17540 17541 final AsecInstallArgs args = new AsecInstallArgs(cid, 17542 getAppDexInstructionSets(ps), ps.isForwardLocked()); 17543 // The package status is changed only if the code path 17544 // matches between settings and the container id. 17545 if (ps.codePathString != null 17546 && ps.codePathString.startsWith(args.getCodePath())) { 17547 if (DEBUG_SD_INSTALL) { 17548 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 17549 + " at code path: " + ps.codePathString); 17550 } 17551 17552 // We do have a valid package installed on sdcard 17553 processCids.put(args, ps.codePathString); 17554 final int uid = ps.appId; 17555 if (uid != -1) { 17556 uidArr = ArrayUtils.appendInt(uidArr, uid); 17557 } 17558 } else { 17559 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 17560 + ps.codePathString); 17561 } 17562 } 17563 } 17564 17565 Arrays.sort(uidArr); 17566 } 17567 17568 // Process packages with valid entries. 17569 if (isMounted) { 17570 if (DEBUG_SD_INSTALL) 17571 Log.i(TAG, "Loading packages"); 17572 loadMediaPackages(processCids, uidArr, externalStorage); 17573 startCleaningPackages(); 17574 mInstallerService.onSecureContainersAvailable(); 17575 } else { 17576 if (DEBUG_SD_INSTALL) 17577 Log.i(TAG, "Unloading packages"); 17578 unloadMediaPackages(processCids, uidArr, reportStatus); 17579 } 17580 } 17581 17582 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17583 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 17584 final int size = infos.size(); 17585 final String[] packageNames = new String[size]; 17586 final int[] packageUids = new int[size]; 17587 for (int i = 0; i < size; i++) { 17588 final ApplicationInfo info = infos.get(i); 17589 packageNames[i] = info.packageName; 17590 packageUids[i] = info.uid; 17591 } 17592 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 17593 finishedReceiver); 17594 } 17595 17596 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17597 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17598 sendResourcesChangedBroadcast(mediaStatus, replacing, 17599 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 17600 } 17601 17602 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17603 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17604 int size = pkgList.length; 17605 if (size > 0) { 17606 // Send broadcasts here 17607 Bundle extras = new Bundle(); 17608 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 17609 if (uidArr != null) { 17610 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 17611 } 17612 if (replacing) { 17613 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 17614 } 17615 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 17616 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 17617 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 17618 } 17619 } 17620 17621 /* 17622 * Look at potentially valid container ids from processCids If package 17623 * information doesn't match the one on record or package scanning fails, 17624 * the cid is added to list of removeCids. We currently don't delete stale 17625 * containers. 17626 */ 17627 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 17628 boolean externalStorage) { 17629 ArrayList<String> pkgList = new ArrayList<String>(); 17630 Set<AsecInstallArgs> keys = processCids.keySet(); 17631 17632 for (AsecInstallArgs args : keys) { 17633 String codePath = processCids.get(args); 17634 if (DEBUG_SD_INSTALL) 17635 Log.i(TAG, "Loading container : " + args.cid); 17636 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 17637 try { 17638 // Make sure there are no container errors first. 17639 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 17640 Slog.e(TAG, "Failed to mount cid : " + args.cid 17641 + " when installing from sdcard"); 17642 continue; 17643 } 17644 // Check code path here. 17645 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 17646 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 17647 + " does not match one in settings " + codePath); 17648 continue; 17649 } 17650 // Parse package 17651 int parseFlags = mDefParseFlags; 17652 if (args.isExternalAsec()) { 17653 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 17654 } 17655 if (args.isFwdLocked()) { 17656 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 17657 } 17658 17659 synchronized (mInstallLock) { 17660 PackageParser.Package pkg = null; 17661 try { 17662 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 17663 } catch (PackageManagerException e) { 17664 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 17665 } 17666 // Scan the package 17667 if (pkg != null) { 17668 /* 17669 * TODO why is the lock being held? doPostInstall is 17670 * called in other places without the lock. This needs 17671 * to be straightened out. 17672 */ 17673 // writer 17674 synchronized (mPackages) { 17675 retCode = PackageManager.INSTALL_SUCCEEDED; 17676 pkgList.add(pkg.packageName); 17677 // Post process args 17678 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 17679 pkg.applicationInfo.uid); 17680 } 17681 } else { 17682 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 17683 } 17684 } 17685 17686 } finally { 17687 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 17688 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 17689 } 17690 } 17691 } 17692 // writer 17693 synchronized (mPackages) { 17694 // If the platform SDK has changed since the last time we booted, 17695 // we need to re-grant app permission to catch any new ones that 17696 // appear. This is really a hack, and means that apps can in some 17697 // cases get permissions that the user didn't initially explicitly 17698 // allow... it would be nice to have some better way to handle 17699 // this situation. 17700 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 17701 : mSettings.getInternalVersion(); 17702 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 17703 : StorageManager.UUID_PRIVATE_INTERNAL; 17704 17705 int updateFlags = UPDATE_PERMISSIONS_ALL; 17706 if (ver.sdkVersion != mSdkVersion) { 17707 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17708 + mSdkVersion + "; regranting permissions for external"); 17709 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17710 } 17711 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17712 17713 // Yay, everything is now upgraded 17714 ver.forceCurrent(); 17715 17716 // can downgrade to reader 17717 // Persist settings 17718 mSettings.writeLPr(); 17719 } 17720 // Send a broadcast to let everyone know we are done processing 17721 if (pkgList.size() > 0) { 17722 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 17723 } 17724 } 17725 17726 /* 17727 * Utility method to unload a list of specified containers 17728 */ 17729 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 17730 // Just unmount all valid containers. 17731 for (AsecInstallArgs arg : cidArgs) { 17732 synchronized (mInstallLock) { 17733 arg.doPostDeleteLI(false); 17734 } 17735 } 17736 } 17737 17738 /* 17739 * Unload packages mounted on external media. This involves deleting package 17740 * data from internal structures, sending broadcasts about disabled packages, 17741 * gc'ing to free up references, unmounting all secure containers 17742 * corresponding to packages on external media, and posting a 17743 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 17744 * that we always have to post this message if status has been requested no 17745 * matter what. 17746 */ 17747 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 17748 final boolean reportStatus) { 17749 if (DEBUG_SD_INSTALL) 17750 Log.i(TAG, "unloading media packages"); 17751 ArrayList<String> pkgList = new ArrayList<String>(); 17752 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 17753 final Set<AsecInstallArgs> keys = processCids.keySet(); 17754 for (AsecInstallArgs args : keys) { 17755 String pkgName = args.getPackageName(); 17756 if (DEBUG_SD_INSTALL) 17757 Log.i(TAG, "Trying to unload pkg : " + pkgName); 17758 // Delete package internally 17759 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17760 synchronized (mInstallLock) { 17761 boolean res = deletePackageLI(pkgName, null, false, null, 17762 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 17763 if (res) { 17764 pkgList.add(pkgName); 17765 } else { 17766 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 17767 failedList.add(args); 17768 } 17769 } 17770 } 17771 17772 // reader 17773 synchronized (mPackages) { 17774 // We didn't update the settings after removing each package; 17775 // write them now for all packages. 17776 mSettings.writeLPr(); 17777 } 17778 17779 // We have to absolutely send UPDATED_MEDIA_STATUS only 17780 // after confirming that all the receivers processed the ordered 17781 // broadcast when packages get disabled, force a gc to clean things up. 17782 // and unload all the containers. 17783 if (pkgList.size() > 0) { 17784 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 17785 new IIntentReceiver.Stub() { 17786 public void performReceive(Intent intent, int resultCode, String data, 17787 Bundle extras, boolean ordered, boolean sticky, 17788 int sendingUser) throws RemoteException { 17789 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 17790 reportStatus ? 1 : 0, 1, keys); 17791 mHandler.sendMessage(msg); 17792 } 17793 }); 17794 } else { 17795 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 17796 keys); 17797 mHandler.sendMessage(msg); 17798 } 17799 } 17800 17801 private void loadPrivatePackages(final VolumeInfo vol) { 17802 mHandler.post(new Runnable() { 17803 @Override 17804 public void run() { 17805 loadPrivatePackagesInner(vol); 17806 } 17807 }); 17808 } 17809 17810 private void loadPrivatePackagesInner(VolumeInfo vol) { 17811 final String volumeUuid = vol.fsUuid; 17812 if (TextUtils.isEmpty(volumeUuid)) { 17813 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 17814 return; 17815 } 17816 17817 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 17818 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 17819 17820 final VersionInfo ver; 17821 final List<PackageSetting> packages; 17822 synchronized (mPackages) { 17823 ver = mSettings.findOrCreateVersion(volumeUuid); 17824 packages = mSettings.getVolumePackagesLPr(volumeUuid); 17825 } 17826 17827 // TODO: introduce a new concept similar to "frozen" to prevent these 17828 // apps from being launched until after data has been fully reconciled 17829 for (PackageSetting ps : packages) { 17830 synchronized (mInstallLock) { 17831 final PackageParser.Package pkg; 17832 try { 17833 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 17834 loaded.add(pkg.applicationInfo); 17835 17836 } catch (PackageManagerException e) { 17837 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 17838 } 17839 17840 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 17841 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 17842 } 17843 } 17844 } 17845 17846 // Reconcile app data for all started/unlocked users 17847 final StorageManager sm = mContext.getSystemService(StorageManager.class); 17848 final UserManager um = mContext.getSystemService(UserManager.class); 17849 for (UserInfo user : um.getUsers()) { 17850 final int flags; 17851 if (um.isUserUnlocked(user.id)) { 17852 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 17853 } else if (um.isUserRunning(user.id)) { 17854 flags = StorageManager.FLAG_STORAGE_DE; 17855 } else { 17856 continue; 17857 } 17858 17859 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 17860 reconcileAppsData(volumeUuid, user.id, flags); 17861 } 17862 17863 synchronized (mPackages) { 17864 int updateFlags = UPDATE_PERMISSIONS_ALL; 17865 if (ver.sdkVersion != mSdkVersion) { 17866 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17867 + mSdkVersion + "; regranting permissions for " + volumeUuid); 17868 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17869 } 17870 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17871 17872 // Yay, everything is now upgraded 17873 ver.forceCurrent(); 17874 17875 mSettings.writeLPr(); 17876 } 17877 17878 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 17879 sendResourcesChangedBroadcast(true, false, loaded, null); 17880 } 17881 17882 private void unloadPrivatePackages(final VolumeInfo vol) { 17883 mHandler.post(new Runnable() { 17884 @Override 17885 public void run() { 17886 unloadPrivatePackagesInner(vol); 17887 } 17888 }); 17889 } 17890 17891 private void unloadPrivatePackagesInner(VolumeInfo vol) { 17892 final String volumeUuid = vol.fsUuid; 17893 if (TextUtils.isEmpty(volumeUuid)) { 17894 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 17895 return; 17896 } 17897 17898 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 17899 synchronized (mInstallLock) { 17900 synchronized (mPackages) { 17901 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 17902 for (PackageSetting ps : packages) { 17903 if (ps.pkg == null) continue; 17904 17905 final ApplicationInfo info = ps.pkg.applicationInfo; 17906 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17907 if (deletePackageLI(ps.name, null, false, null, 17908 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 17909 unloaded.add(info); 17910 } else { 17911 Slog.w(TAG, "Failed to unload " + ps.codePath); 17912 } 17913 } 17914 17915 mSettings.writeLPr(); 17916 } 17917 } 17918 17919 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 17920 sendResourcesChangedBroadcast(false, false, unloaded, null); 17921 } 17922 17923 /** 17924 * Examine all users present on given mounted volume, and destroy data 17925 * belonging to users that are no longer valid, or whose user ID has been 17926 * recycled. 17927 */ 17928 private void reconcileUsers(String volumeUuid) { 17929 // TODO: also reconcile DE directories 17930 final File[] files = FileUtils 17931 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 17932 for (File file : files) { 17933 if (!file.isDirectory()) continue; 17934 17935 final int userId; 17936 final UserInfo info; 17937 try { 17938 userId = Integer.parseInt(file.getName()); 17939 info = sUserManager.getUserInfo(userId); 17940 } catch (NumberFormatException e) { 17941 Slog.w(TAG, "Invalid user directory " + file); 17942 continue; 17943 } 17944 17945 boolean destroyUser = false; 17946 if (info == null) { 17947 logCriticalInfo(Log.WARN, "Destroying user directory " + file 17948 + " because no matching user was found"); 17949 destroyUser = true; 17950 } else { 17951 try { 17952 UserManagerService.enforceSerialNumber(file, info.serialNumber); 17953 } catch (IOException e) { 17954 logCriticalInfo(Log.WARN, "Destroying user directory " + file 17955 + " because we failed to enforce serial number: " + e); 17956 destroyUser = true; 17957 } 17958 } 17959 17960 if (destroyUser) { 17961 synchronized (mInstallLock) { 17962 try { 17963 mInstaller.removeUserDataDirs(volumeUuid, userId); 17964 } catch (InstallerException e) { 17965 Slog.w(TAG, "Failed to clean up user dirs", e); 17966 } 17967 } 17968 } 17969 } 17970 } 17971 17972 private void assertPackageKnown(String volumeUuid, String packageName) 17973 throws PackageManagerException { 17974 synchronized (mPackages) { 17975 final PackageSetting ps = mSettings.mPackages.get(packageName); 17976 if (ps == null) { 17977 throw new PackageManagerException("Package " + packageName + " is unknown"); 17978 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 17979 throw new PackageManagerException( 17980 "Package " + packageName + " found on unknown volume " + volumeUuid 17981 + "; expected volume " + ps.volumeUuid); 17982 } 17983 } 17984 } 17985 17986 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 17987 throws PackageManagerException { 17988 synchronized (mPackages) { 17989 final PackageSetting ps = mSettings.mPackages.get(packageName); 17990 if (ps == null) { 17991 throw new PackageManagerException("Package " + packageName + " is unknown"); 17992 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 17993 throw new PackageManagerException( 17994 "Package " + packageName + " found on unknown volume " + volumeUuid 17995 + "; expected volume " + ps.volumeUuid); 17996 } else if (!ps.getInstalled(userId)) { 17997 throw new PackageManagerException( 17998 "Package " + packageName + " not installed for user " + userId); 17999 } 18000 } 18001 } 18002 18003 /** 18004 * Examine all apps present on given mounted volume, and destroy apps that 18005 * aren't expected, either due to uninstallation or reinstallation on 18006 * another volume. 18007 */ 18008 private void reconcileApps(String volumeUuid) { 18009 final File[] files = FileUtils 18010 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18011 for (File file : files) { 18012 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18013 && !PackageInstallerService.isStageName(file.getName()); 18014 if (!isPackage) { 18015 // Ignore entries which are not packages 18016 continue; 18017 } 18018 18019 try { 18020 final PackageLite pkg = PackageParser.parsePackageLite(file, 18021 PackageParser.PARSE_MUST_BE_APK); 18022 assertPackageKnown(volumeUuid, pkg.packageName); 18023 18024 } catch (PackageParserException | PackageManagerException e) { 18025 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18026 synchronized (mInstallLock) { 18027 removeCodePathLI(file); 18028 } 18029 } 18030 } 18031 } 18032 18033 /** 18034 * Reconcile all app data for the given user. 18035 * <p> 18036 * Verifies that directories exist and that ownership and labeling is 18037 * correct for all installed apps on all mounted volumes. 18038 */ 18039 void reconcileAppsData(int userId, int flags) { 18040 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18041 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18042 final String volumeUuid = vol.getFsUuid(); 18043 reconcileAppsData(volumeUuid, userId, flags); 18044 } 18045 } 18046 18047 /** 18048 * Reconcile all app data on given mounted volume. 18049 * <p> 18050 * Destroys app data that isn't expected, either due to uninstallation or 18051 * reinstallation on another volume. 18052 * <p> 18053 * Verifies that directories exist and that ownership and labeling is 18054 * correct for all installed apps. 18055 */ 18056 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 18057 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 18058 + Integer.toHexString(flags)); 18059 18060 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 18061 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 18062 18063 boolean restoreconNeeded = false; 18064 18065 // First look for stale data that doesn't belong, and check if things 18066 // have changed since we did our last restorecon 18067 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18068 if (!isUserKeyUnlocked(userId)) { 18069 throw new RuntimeException( 18070 "Yikes, someone asked us to reconcile CE storage while " + userId 18071 + " was still locked; this would have caused massive data loss!"); 18072 } 18073 18074 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 18075 18076 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 18077 for (File file : files) { 18078 final String packageName = file.getName(); 18079 try { 18080 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18081 } catch (PackageManagerException e) { 18082 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18083 synchronized (mInstallLock) { 18084 destroyAppDataLI(volumeUuid, packageName, userId, 18085 StorageManager.FLAG_STORAGE_CE); 18086 } 18087 } 18088 } 18089 } 18090 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18091 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 18092 18093 final File[] files = FileUtils.listFilesOrEmpty(deDir); 18094 for (File file : files) { 18095 final String packageName = file.getName(); 18096 try { 18097 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18098 } catch (PackageManagerException e) { 18099 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18100 synchronized (mInstallLock) { 18101 destroyAppDataLI(volumeUuid, packageName, userId, 18102 StorageManager.FLAG_STORAGE_DE); 18103 } 18104 } 18105 } 18106 } 18107 18108 // Ensure that data directories are ready to roll for all packages 18109 // installed for this volume and user 18110 final List<PackageSetting> packages; 18111 synchronized (mPackages) { 18112 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18113 } 18114 int preparedCount = 0; 18115 for (PackageSetting ps : packages) { 18116 final String packageName = ps.name; 18117 if (ps.pkg == null) { 18118 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18119 // TODO: might be due to legacy ASEC apps; we should circle back 18120 // and reconcile again once they're scanned 18121 continue; 18122 } 18123 18124 if (ps.getInstalled(userId)) { 18125 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18126 18127 if (maybeMigrateAppData(volumeUuid, userId, ps.pkg)) { 18128 // We may have just shuffled around app data directories, so 18129 // prepare them one more time 18130 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18131 } 18132 18133 preparedCount++; 18134 } 18135 } 18136 18137 if (restoreconNeeded) { 18138 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18139 SELinuxMMAC.setRestoreconDone(ceDir); 18140 } 18141 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18142 SELinuxMMAC.setRestoreconDone(deDir); 18143 } 18144 } 18145 18146 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 18147 + " packages; restoreconNeeded was " + restoreconNeeded); 18148 } 18149 18150 /** 18151 * Prepare app data for the given app just after it was installed or 18152 * upgraded. This method carefully only touches users that it's installed 18153 * for, and it forces a restorecon to handle any seinfo changes. 18154 * <p> 18155 * Verifies that directories exist and that ownership and labeling is 18156 * correct for all installed apps. If there is an ownership mismatch, it 18157 * will try recovering system apps by wiping data; third-party app data is 18158 * left intact. 18159 * <p> 18160 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 18161 */ 18162 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 18163 prepareAppDataAfterInstallInternal(pkg); 18164 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18165 for (int i = 0; i < childCount; i++) { 18166 PackageParser.Package childPackage = pkg.childPackages.get(i); 18167 prepareAppDataAfterInstallInternal(childPackage); 18168 } 18169 } 18170 18171 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 18172 final PackageSetting ps; 18173 synchronized (mPackages) { 18174 ps = mSettings.mPackages.get(pkg.packageName); 18175 mSettings.writeKernelMappingLPr(ps); 18176 } 18177 18178 final UserManager um = mContext.getSystemService(UserManager.class); 18179 for (UserInfo user : um.getUsers()) { 18180 final int flags; 18181 if (um.isUserUnlocked(user.id)) { 18182 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18183 } else if (um.isUserRunning(user.id)) { 18184 flags = StorageManager.FLAG_STORAGE_DE; 18185 } else { 18186 continue; 18187 } 18188 18189 if (ps.getInstalled(user.id)) { 18190 // Whenever an app changes, force a restorecon of its data 18191 // TODO: when user data is locked, mark that we're still dirty 18192 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 18193 } 18194 } 18195 } 18196 18197 /** 18198 * Prepare app data for the given app. 18199 * <p> 18200 * Verifies that directories exist and that ownership and labeling is 18201 * correct for all installed apps. If there is an ownership mismatch, this 18202 * will try recovering system apps by wiping data; third-party app data is 18203 * left intact. 18204 */ 18205 private void prepareAppData(String volumeUuid, int userId, int flags, 18206 PackageParser.Package pkg, boolean restoreconNeeded) { 18207 if (DEBUG_APP_DATA) { 18208 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18209 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18210 } 18211 18212 final String packageName = pkg.packageName; 18213 final ApplicationInfo app = pkg.applicationInfo; 18214 final int appId = UserHandle.getAppId(app.uid); 18215 18216 Preconditions.checkNotNull(app.seinfo); 18217 18218 synchronized (mInstallLock) { 18219 try { 18220 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18221 appId, app.seinfo, app.targetSdkVersion); 18222 } catch (InstallerException e) { 18223 if (app.isSystemApp()) { 18224 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18225 + ", but trying to recover: " + e); 18226 destroyAppDataLI(volumeUuid, packageName, userId, flags); 18227 try { 18228 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18229 appId, app.seinfo, app.targetSdkVersion); 18230 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18231 } catch (InstallerException e2) { 18232 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18233 } 18234 } else { 18235 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18236 } 18237 } 18238 18239 if (restoreconNeeded) { 18240 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 18241 } 18242 18243 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18244 // Create a native library symlink only if we have native libraries 18245 // and if the native libraries are 32 bit libraries. We do not provide 18246 // this symlink for 64 bit libraries. 18247 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18248 final String nativeLibPath = app.nativeLibraryDir; 18249 try { 18250 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18251 nativeLibPath, userId); 18252 } catch (InstallerException e) { 18253 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18254 } 18255 } 18256 } 18257 } 18258 } 18259 18260 /** 18261 * For system apps on non-FBE devices, this method migrates any existing 18262 * CE/DE data to match the {@code forceDeviceEncrypted} flag requested by 18263 * the app. 18264 */ 18265 private boolean maybeMigrateAppData(String volumeUuid, int userId, PackageParser.Package pkg) { 18266 if (pkg.isSystemApp() && !StorageManager.isFileBasedEncryptionEnabled() 18267 && PackageManager.APPLY_FORCE_DEVICE_ENCRYPTED) { 18268 final int storageTarget = pkg.applicationInfo.isForceDeviceEncrypted() 18269 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 18270 synchronized (mInstallLock) { 18271 try { 18272 mInstaller.migrateAppData(volumeUuid, pkg.packageName, userId, storageTarget); 18273 } catch (InstallerException e) { 18274 logCriticalInfo(Log.WARN, 18275 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 18276 } 18277 } 18278 return true; 18279 } else { 18280 return false; 18281 } 18282 } 18283 18284 private void unfreezePackage(String packageName) { 18285 synchronized (mPackages) { 18286 final PackageSetting ps = mSettings.mPackages.get(packageName); 18287 if (ps != null) { 18288 ps.frozen = false; 18289 } 18290 } 18291 } 18292 18293 @Override 18294 public int movePackage(final String packageName, final String volumeUuid) { 18295 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18296 18297 final int moveId = mNextMoveId.getAndIncrement(); 18298 mHandler.post(new Runnable() { 18299 @Override 18300 public void run() { 18301 try { 18302 movePackageInternal(packageName, volumeUuid, moveId); 18303 } catch (PackageManagerException e) { 18304 Slog.w(TAG, "Failed to move " + packageName, e); 18305 mMoveCallbacks.notifyStatusChanged(moveId, 18306 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18307 } 18308 } 18309 }); 18310 return moveId; 18311 } 18312 18313 private void movePackageInternal(final String packageName, final String volumeUuid, 18314 final int moveId) throws PackageManagerException { 18315 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 18316 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18317 final PackageManager pm = mContext.getPackageManager(); 18318 18319 final boolean currentAsec; 18320 final String currentVolumeUuid; 18321 final File codeFile; 18322 final String installerPackageName; 18323 final String packageAbiOverride; 18324 final int appId; 18325 final String seinfo; 18326 final String label; 18327 final int targetSdkVersion; 18328 18329 // reader 18330 synchronized (mPackages) { 18331 final PackageParser.Package pkg = mPackages.get(packageName); 18332 final PackageSetting ps = mSettings.mPackages.get(packageName); 18333 if (pkg == null || ps == null) { 18334 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 18335 } 18336 18337 if (pkg.applicationInfo.isSystemApp()) { 18338 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 18339 "Cannot move system application"); 18340 } 18341 18342 if (pkg.applicationInfo.isExternalAsec()) { 18343 currentAsec = true; 18344 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 18345 } else if (pkg.applicationInfo.isForwardLocked()) { 18346 currentAsec = true; 18347 currentVolumeUuid = "forward_locked"; 18348 } else { 18349 currentAsec = false; 18350 currentVolumeUuid = ps.volumeUuid; 18351 18352 final File probe = new File(pkg.codePath); 18353 final File probeOat = new File(probe, "oat"); 18354 if (!probe.isDirectory() || !probeOat.isDirectory()) { 18355 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18356 "Move only supported for modern cluster style installs"); 18357 } 18358 } 18359 18360 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 18361 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18362 "Package already moved to " + volumeUuid); 18363 } 18364 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 18365 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 18366 "Device admin cannot be moved"); 18367 } 18368 18369 if (ps.frozen) { 18370 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 18371 "Failed to move already frozen package"); 18372 } 18373 ps.frozen = true; 18374 18375 codeFile = new File(pkg.codePath); 18376 installerPackageName = ps.installerPackageName; 18377 packageAbiOverride = ps.cpuAbiOverrideString; 18378 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18379 seinfo = pkg.applicationInfo.seinfo; 18380 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 18381 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 18382 } 18383 18384 // Now that we're guarded by frozen state, kill app during move 18385 final long token = Binder.clearCallingIdentity(); 18386 try { 18387 killApplication(packageName, appId, "move pkg"); 18388 } finally { 18389 Binder.restoreCallingIdentity(token); 18390 } 18391 18392 final Bundle extras = new Bundle(); 18393 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 18394 extras.putString(Intent.EXTRA_TITLE, label); 18395 mMoveCallbacks.notifyCreated(moveId, extras); 18396 18397 int installFlags; 18398 final boolean moveCompleteApp; 18399 final File measurePath; 18400 18401 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 18402 installFlags = INSTALL_INTERNAL; 18403 moveCompleteApp = !currentAsec; 18404 measurePath = Environment.getDataAppDirectory(volumeUuid); 18405 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 18406 installFlags = INSTALL_EXTERNAL; 18407 moveCompleteApp = false; 18408 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 18409 } else { 18410 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 18411 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 18412 || !volume.isMountedWritable()) { 18413 unfreezePackage(packageName); 18414 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18415 "Move location not mounted private volume"); 18416 } 18417 18418 Preconditions.checkState(!currentAsec); 18419 18420 installFlags = INSTALL_INTERNAL; 18421 moveCompleteApp = true; 18422 measurePath = Environment.getDataAppDirectory(volumeUuid); 18423 } 18424 18425 final PackageStats stats = new PackageStats(null, -1); 18426 synchronized (mInstaller) { 18427 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 18428 unfreezePackage(packageName); 18429 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18430 "Failed to measure package size"); 18431 } 18432 } 18433 18434 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 18435 + stats.dataSize); 18436 18437 final long startFreeBytes = measurePath.getFreeSpace(); 18438 final long sizeBytes; 18439 if (moveCompleteApp) { 18440 sizeBytes = stats.codeSize + stats.dataSize; 18441 } else { 18442 sizeBytes = stats.codeSize; 18443 } 18444 18445 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 18446 unfreezePackage(packageName); 18447 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18448 "Not enough free space to move"); 18449 } 18450 18451 mMoveCallbacks.notifyStatusChanged(moveId, 10); 18452 18453 final CountDownLatch installedLatch = new CountDownLatch(1); 18454 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 18455 @Override 18456 public void onUserActionRequired(Intent intent) throws RemoteException { 18457 throw new IllegalStateException(); 18458 } 18459 18460 @Override 18461 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 18462 Bundle extras) throws RemoteException { 18463 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 18464 + PackageManager.installStatusToString(returnCode, msg)); 18465 18466 installedLatch.countDown(); 18467 18468 // Regardless of success or failure of the move operation, 18469 // always unfreeze the package 18470 unfreezePackage(packageName); 18471 18472 final int status = PackageManager.installStatusToPublicStatus(returnCode); 18473 switch (status) { 18474 case PackageInstaller.STATUS_SUCCESS: 18475 mMoveCallbacks.notifyStatusChanged(moveId, 18476 PackageManager.MOVE_SUCCEEDED); 18477 break; 18478 case PackageInstaller.STATUS_FAILURE_STORAGE: 18479 mMoveCallbacks.notifyStatusChanged(moveId, 18480 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 18481 break; 18482 default: 18483 mMoveCallbacks.notifyStatusChanged(moveId, 18484 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18485 break; 18486 } 18487 } 18488 }; 18489 18490 final MoveInfo move; 18491 if (moveCompleteApp) { 18492 // Kick off a thread to report progress estimates 18493 new Thread() { 18494 @Override 18495 public void run() { 18496 while (true) { 18497 try { 18498 if (installedLatch.await(1, TimeUnit.SECONDS)) { 18499 break; 18500 } 18501 } catch (InterruptedException ignored) { 18502 } 18503 18504 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 18505 final int progress = 10 + (int) MathUtils.constrain( 18506 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 18507 mMoveCallbacks.notifyStatusChanged(moveId, progress); 18508 } 18509 } 18510 }.start(); 18511 18512 final String dataAppName = codeFile.getName(); 18513 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 18514 dataAppName, appId, seinfo, targetSdkVersion); 18515 } else { 18516 move = null; 18517 } 18518 18519 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 18520 18521 final Message msg = mHandler.obtainMessage(INIT_COPY); 18522 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 18523 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 18524 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 18525 packageAbiOverride, null); 18526 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 18527 msg.obj = params; 18528 18529 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 18530 System.identityHashCode(msg.obj)); 18531 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 18532 System.identityHashCode(msg.obj)); 18533 18534 mHandler.sendMessage(msg); 18535 } 18536 18537 @Override 18538 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 18539 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18540 18541 final int realMoveId = mNextMoveId.getAndIncrement(); 18542 final Bundle extras = new Bundle(); 18543 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 18544 mMoveCallbacks.notifyCreated(realMoveId, extras); 18545 18546 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 18547 @Override 18548 public void onCreated(int moveId, Bundle extras) { 18549 // Ignored 18550 } 18551 18552 @Override 18553 public void onStatusChanged(int moveId, int status, long estMillis) { 18554 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 18555 } 18556 }; 18557 18558 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18559 storage.setPrimaryStorageUuid(volumeUuid, callback); 18560 return realMoveId; 18561 } 18562 18563 @Override 18564 public int getMoveStatus(int moveId) { 18565 mContext.enforceCallingOrSelfPermission( 18566 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18567 return mMoveCallbacks.mLastStatus.get(moveId); 18568 } 18569 18570 @Override 18571 public void registerMoveCallback(IPackageMoveObserver callback) { 18572 mContext.enforceCallingOrSelfPermission( 18573 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18574 mMoveCallbacks.register(callback); 18575 } 18576 18577 @Override 18578 public void unregisterMoveCallback(IPackageMoveObserver callback) { 18579 mContext.enforceCallingOrSelfPermission( 18580 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18581 mMoveCallbacks.unregister(callback); 18582 } 18583 18584 @Override 18585 public boolean setInstallLocation(int loc) { 18586 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 18587 null); 18588 if (getInstallLocation() == loc) { 18589 return true; 18590 } 18591 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 18592 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 18593 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 18594 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 18595 return true; 18596 } 18597 return false; 18598 } 18599 18600 @Override 18601 public int getInstallLocation() { 18602 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 18603 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 18604 PackageHelper.APP_INSTALL_AUTO); 18605 } 18606 18607 /** Called by UserManagerService */ 18608 void cleanUpUser(UserManagerService userManager, int userHandle) { 18609 synchronized (mPackages) { 18610 mDirtyUsers.remove(userHandle); 18611 mUserNeedsBadging.delete(userHandle); 18612 mSettings.removeUserLPw(userHandle); 18613 mPendingBroadcasts.remove(userHandle); 18614 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 18615 } 18616 synchronized (mInstallLock) { 18617 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18618 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18619 final String volumeUuid = vol.getFsUuid(); 18620 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 18621 try { 18622 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 18623 } catch (InstallerException e) { 18624 Slog.w(TAG, "Failed to remove user data", e); 18625 } 18626 } 18627 synchronized (mPackages) { 18628 removeUnusedPackagesLILPw(userManager, userHandle); 18629 } 18630 } 18631 } 18632 18633 /** 18634 * We're removing userHandle and would like to remove any downloaded packages 18635 * that are no longer in use by any other user. 18636 * @param userHandle the user being removed 18637 */ 18638 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 18639 final boolean DEBUG_CLEAN_APKS = false; 18640 int [] users = userManager.getUserIds(); 18641 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 18642 while (psit.hasNext()) { 18643 PackageSetting ps = psit.next(); 18644 if (ps.pkg == null) { 18645 continue; 18646 } 18647 final String packageName = ps.pkg.packageName; 18648 // Skip over if system app 18649 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 18650 continue; 18651 } 18652 if (DEBUG_CLEAN_APKS) { 18653 Slog.i(TAG, "Checking package " + packageName); 18654 } 18655 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 18656 if (keep) { 18657 if (DEBUG_CLEAN_APKS) { 18658 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 18659 } 18660 } else { 18661 for (int i = 0; i < users.length; i++) { 18662 if (users[i] != userHandle && ps.getInstalled(users[i])) { 18663 keep = true; 18664 if (DEBUG_CLEAN_APKS) { 18665 Slog.i(TAG, " Keeping package " + packageName + " for user " 18666 + users[i]); 18667 } 18668 break; 18669 } 18670 } 18671 } 18672 if (!keep) { 18673 if (DEBUG_CLEAN_APKS) { 18674 Slog.i(TAG, " Removing package " + packageName); 18675 } 18676 mHandler.post(new Runnable() { 18677 public void run() { 18678 deletePackageX(packageName, userHandle, 0); 18679 } //end run 18680 }); 18681 } 18682 } 18683 } 18684 18685 /** Called by UserManagerService */ 18686 void createNewUser(int userHandle) { 18687 synchronized (mInstallLock) { 18688 try { 18689 mInstaller.createUserConfig(userHandle); 18690 } catch (InstallerException e) { 18691 Slog.w(TAG, "Failed to create user config", e); 18692 } 18693 mSettings.createNewUserLI(this, mInstaller, userHandle); 18694 } 18695 synchronized (mPackages) { 18696 applyFactoryDefaultBrowserLPw(userHandle); 18697 primeDomainVerificationsLPw(userHandle); 18698 } 18699 } 18700 18701 void newUserCreated(final int userHandle) { 18702 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 18703 // If permission review for legacy apps is required, we represent 18704 // dagerous permissions for such apps as always granted runtime 18705 // permissions to keep per user flag state whether review is needed. 18706 // Hence, if a new user is added we have to propagate dangerous 18707 // permission grants for these legacy apps. 18708 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 18709 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 18710 | UPDATE_PERMISSIONS_REPLACE_ALL); 18711 } 18712 } 18713 18714 @Override 18715 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 18716 mContext.enforceCallingOrSelfPermission( 18717 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 18718 "Only package verification agents can read the verifier device identity"); 18719 18720 synchronized (mPackages) { 18721 return mSettings.getVerifierDeviceIdentityLPw(); 18722 } 18723 } 18724 18725 @Override 18726 public void setPermissionEnforced(String permission, boolean enforced) { 18727 // TODO: Now that we no longer change GID for storage, this should to away. 18728 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 18729 "setPermissionEnforced"); 18730 if (READ_EXTERNAL_STORAGE.equals(permission)) { 18731 synchronized (mPackages) { 18732 if (mSettings.mReadExternalStorageEnforced == null 18733 || mSettings.mReadExternalStorageEnforced != enforced) { 18734 mSettings.mReadExternalStorageEnforced = enforced; 18735 mSettings.writeLPr(); 18736 } 18737 } 18738 // kill any non-foreground processes so we restart them and 18739 // grant/revoke the GID. 18740 final IActivityManager am = ActivityManagerNative.getDefault(); 18741 if (am != null) { 18742 final long token = Binder.clearCallingIdentity(); 18743 try { 18744 am.killProcessesBelowForeground("setPermissionEnforcement"); 18745 } catch (RemoteException e) { 18746 } finally { 18747 Binder.restoreCallingIdentity(token); 18748 } 18749 } 18750 } else { 18751 throw new IllegalArgumentException("No selective enforcement for " + permission); 18752 } 18753 } 18754 18755 @Override 18756 @Deprecated 18757 public boolean isPermissionEnforced(String permission) { 18758 return true; 18759 } 18760 18761 @Override 18762 public boolean isStorageLow() { 18763 final long token = Binder.clearCallingIdentity(); 18764 try { 18765 final DeviceStorageMonitorInternal 18766 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 18767 if (dsm != null) { 18768 return dsm.isMemoryLow(); 18769 } else { 18770 return false; 18771 } 18772 } finally { 18773 Binder.restoreCallingIdentity(token); 18774 } 18775 } 18776 18777 @Override 18778 public IPackageInstaller getPackageInstaller() { 18779 return mInstallerService; 18780 } 18781 18782 private boolean userNeedsBadging(int userId) { 18783 int index = mUserNeedsBadging.indexOfKey(userId); 18784 if (index < 0) { 18785 final UserInfo userInfo; 18786 final long token = Binder.clearCallingIdentity(); 18787 try { 18788 userInfo = sUserManager.getUserInfo(userId); 18789 } finally { 18790 Binder.restoreCallingIdentity(token); 18791 } 18792 final boolean b; 18793 if (userInfo != null && userInfo.isManagedProfile()) { 18794 b = true; 18795 } else { 18796 b = false; 18797 } 18798 mUserNeedsBadging.put(userId, b); 18799 return b; 18800 } 18801 return mUserNeedsBadging.valueAt(index); 18802 } 18803 18804 @Override 18805 public KeySet getKeySetByAlias(String packageName, String alias) { 18806 if (packageName == null || alias == null) { 18807 return null; 18808 } 18809 synchronized(mPackages) { 18810 final PackageParser.Package pkg = mPackages.get(packageName); 18811 if (pkg == null) { 18812 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18813 throw new IllegalArgumentException("Unknown package: " + packageName); 18814 } 18815 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18816 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 18817 } 18818 } 18819 18820 @Override 18821 public KeySet getSigningKeySet(String packageName) { 18822 if (packageName == null) { 18823 return null; 18824 } 18825 synchronized(mPackages) { 18826 final PackageParser.Package pkg = mPackages.get(packageName); 18827 if (pkg == null) { 18828 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18829 throw new IllegalArgumentException("Unknown package: " + packageName); 18830 } 18831 if (pkg.applicationInfo.uid != Binder.getCallingUid() 18832 && Process.SYSTEM_UID != Binder.getCallingUid()) { 18833 throw new SecurityException("May not access signing KeySet of other apps."); 18834 } 18835 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18836 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 18837 } 18838 } 18839 18840 @Override 18841 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 18842 if (packageName == null || ks == null) { 18843 return false; 18844 } 18845 synchronized(mPackages) { 18846 final PackageParser.Package pkg = mPackages.get(packageName); 18847 if (pkg == null) { 18848 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18849 throw new IllegalArgumentException("Unknown package: " + packageName); 18850 } 18851 IBinder ksh = ks.getToken(); 18852 if (ksh instanceof KeySetHandle) { 18853 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18854 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 18855 } 18856 return false; 18857 } 18858 } 18859 18860 @Override 18861 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 18862 if (packageName == null || ks == null) { 18863 return false; 18864 } 18865 synchronized(mPackages) { 18866 final PackageParser.Package pkg = mPackages.get(packageName); 18867 if (pkg == null) { 18868 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18869 throw new IllegalArgumentException("Unknown package: " + packageName); 18870 } 18871 IBinder ksh = ks.getToken(); 18872 if (ksh instanceof KeySetHandle) { 18873 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18874 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 18875 } 18876 return false; 18877 } 18878 } 18879 18880 private void deletePackageIfUnusedLPr(final String packageName) { 18881 PackageSetting ps = mSettings.mPackages.get(packageName); 18882 if (ps == null) { 18883 return; 18884 } 18885 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 18886 // TODO Implement atomic delete if package is unused 18887 // It is currently possible that the package will be deleted even if it is installed 18888 // after this method returns. 18889 mHandler.post(new Runnable() { 18890 public void run() { 18891 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 18892 } 18893 }); 18894 } 18895 } 18896 18897 /** 18898 * Check and throw if the given before/after packages would be considered a 18899 * downgrade. 18900 */ 18901 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 18902 throws PackageManagerException { 18903 if (after.versionCode < before.mVersionCode) { 18904 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 18905 "Update version code " + after.versionCode + " is older than current " 18906 + before.mVersionCode); 18907 } else if (after.versionCode == before.mVersionCode) { 18908 if (after.baseRevisionCode < before.baseRevisionCode) { 18909 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 18910 "Update base revision code " + after.baseRevisionCode 18911 + " is older than current " + before.baseRevisionCode); 18912 } 18913 18914 if (!ArrayUtils.isEmpty(after.splitNames)) { 18915 for (int i = 0; i < after.splitNames.length; i++) { 18916 final String splitName = after.splitNames[i]; 18917 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 18918 if (j != -1) { 18919 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 18920 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 18921 "Update split " + splitName + " revision code " 18922 + after.splitRevisionCodes[i] + " is older than current " 18923 + before.splitRevisionCodes[j]); 18924 } 18925 } 18926 } 18927 } 18928 } 18929 } 18930 18931 private static class MoveCallbacks extends Handler { 18932 private static final int MSG_CREATED = 1; 18933 private static final int MSG_STATUS_CHANGED = 2; 18934 18935 private final RemoteCallbackList<IPackageMoveObserver> 18936 mCallbacks = new RemoteCallbackList<>(); 18937 18938 private final SparseIntArray mLastStatus = new SparseIntArray(); 18939 18940 public MoveCallbacks(Looper looper) { 18941 super(looper); 18942 } 18943 18944 public void register(IPackageMoveObserver callback) { 18945 mCallbacks.register(callback); 18946 } 18947 18948 public void unregister(IPackageMoveObserver callback) { 18949 mCallbacks.unregister(callback); 18950 } 18951 18952 @Override 18953 public void handleMessage(Message msg) { 18954 final SomeArgs args = (SomeArgs) msg.obj; 18955 final int n = mCallbacks.beginBroadcast(); 18956 for (int i = 0; i < n; i++) { 18957 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 18958 try { 18959 invokeCallback(callback, msg.what, args); 18960 } catch (RemoteException ignored) { 18961 } 18962 } 18963 mCallbacks.finishBroadcast(); 18964 args.recycle(); 18965 } 18966 18967 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 18968 throws RemoteException { 18969 switch (what) { 18970 case MSG_CREATED: { 18971 callback.onCreated(args.argi1, (Bundle) args.arg2); 18972 break; 18973 } 18974 case MSG_STATUS_CHANGED: { 18975 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 18976 break; 18977 } 18978 } 18979 } 18980 18981 private void notifyCreated(int moveId, Bundle extras) { 18982 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 18983 18984 final SomeArgs args = SomeArgs.obtain(); 18985 args.argi1 = moveId; 18986 args.arg2 = extras; 18987 obtainMessage(MSG_CREATED, args).sendToTarget(); 18988 } 18989 18990 private void notifyStatusChanged(int moveId, int status) { 18991 notifyStatusChanged(moveId, status, -1); 18992 } 18993 18994 private void notifyStatusChanged(int moveId, int status, long estMillis) { 18995 Slog.v(TAG, "Move " + moveId + " status " + status); 18996 18997 final SomeArgs args = SomeArgs.obtain(); 18998 args.argi1 = moveId; 18999 args.argi2 = status; 19000 args.arg3 = estMillis; 19001 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 19002 19003 synchronized (mLastStatus) { 19004 mLastStatus.put(moveId, status); 19005 } 19006 } 19007 } 19008 19009 private final static class OnPermissionChangeListeners extends Handler { 19010 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 19011 19012 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 19013 new RemoteCallbackList<>(); 19014 19015 public OnPermissionChangeListeners(Looper looper) { 19016 super(looper); 19017 } 19018 19019 @Override 19020 public void handleMessage(Message msg) { 19021 switch (msg.what) { 19022 case MSG_ON_PERMISSIONS_CHANGED: { 19023 final int uid = msg.arg1; 19024 handleOnPermissionsChanged(uid); 19025 } break; 19026 } 19027 } 19028 19029 public void addListenerLocked(IOnPermissionsChangeListener listener) { 19030 mPermissionListeners.register(listener); 19031 19032 } 19033 19034 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 19035 mPermissionListeners.unregister(listener); 19036 } 19037 19038 public void onPermissionsChanged(int uid) { 19039 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 19040 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 19041 } 19042 } 19043 19044 private void handleOnPermissionsChanged(int uid) { 19045 final int count = mPermissionListeners.beginBroadcast(); 19046 try { 19047 for (int i = 0; i < count; i++) { 19048 IOnPermissionsChangeListener callback = mPermissionListeners 19049 .getBroadcastItem(i); 19050 try { 19051 callback.onPermissionsChanged(uid); 19052 } catch (RemoteException e) { 19053 Log.e(TAG, "Permission listener is dead", e); 19054 } 19055 } 19056 } finally { 19057 mPermissionListeners.finishBroadcast(); 19058 } 19059 } 19060 } 19061 19062 private class PackageManagerInternalImpl extends PackageManagerInternal { 19063 @Override 19064 public void setLocationPackagesProvider(PackagesProvider provider) { 19065 synchronized (mPackages) { 19066 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 19067 } 19068 } 19069 19070 @Override 19071 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 19072 synchronized (mPackages) { 19073 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 19074 } 19075 } 19076 19077 @Override 19078 public void setSmsAppPackagesProvider(PackagesProvider provider) { 19079 synchronized (mPackages) { 19080 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 19081 } 19082 } 19083 19084 @Override 19085 public void setDialerAppPackagesProvider(PackagesProvider provider) { 19086 synchronized (mPackages) { 19087 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 19088 } 19089 } 19090 19091 @Override 19092 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 19093 synchronized (mPackages) { 19094 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 19095 } 19096 } 19097 19098 @Override 19099 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 19100 synchronized (mPackages) { 19101 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 19102 } 19103 } 19104 19105 @Override 19106 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 19107 synchronized (mPackages) { 19108 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 19109 packageName, userId); 19110 } 19111 } 19112 19113 @Override 19114 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 19115 synchronized (mPackages) { 19116 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 19117 packageName, userId); 19118 } 19119 } 19120 19121 @Override 19122 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 19123 synchronized (mPackages) { 19124 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 19125 packageName, userId); 19126 } 19127 } 19128 19129 @Override 19130 public void setKeepUninstalledPackages(final List<String> packageList) { 19131 Preconditions.checkNotNull(packageList); 19132 List<String> removedFromList = null; 19133 synchronized (mPackages) { 19134 if (mKeepUninstalledPackages != null) { 19135 final int packagesCount = mKeepUninstalledPackages.size(); 19136 for (int i = 0; i < packagesCount; i++) { 19137 String oldPackage = mKeepUninstalledPackages.get(i); 19138 if (packageList != null && packageList.contains(oldPackage)) { 19139 continue; 19140 } 19141 if (removedFromList == null) { 19142 removedFromList = new ArrayList<>(); 19143 } 19144 removedFromList.add(oldPackage); 19145 } 19146 } 19147 mKeepUninstalledPackages = new ArrayList<>(packageList); 19148 if (removedFromList != null) { 19149 final int removedCount = removedFromList.size(); 19150 for (int i = 0; i < removedCount; i++) { 19151 deletePackageIfUnusedLPr(removedFromList.get(i)); 19152 } 19153 } 19154 } 19155 } 19156 19157 @Override 19158 public boolean isPermissionsReviewRequired(String packageName, int userId) { 19159 synchronized (mPackages) { 19160 // If we do not support permission review, done. 19161 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 19162 return false; 19163 } 19164 19165 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 19166 if (packageSetting == null) { 19167 return false; 19168 } 19169 19170 // Permission review applies only to apps not supporting the new permission model. 19171 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 19172 return false; 19173 } 19174 19175 // Legacy apps have the permission and get user consent on launch. 19176 PermissionsState permissionsState = packageSetting.getPermissionsState(); 19177 return permissionsState.isPermissionReviewRequired(userId); 19178 } 19179 } 19180 19181 @Override 19182 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 19183 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 19184 } 19185 } 19186 19187 @Override 19188 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 19189 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 19190 synchronized (mPackages) { 19191 final long identity = Binder.clearCallingIdentity(); 19192 try { 19193 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19194 packageNames, userId); 19195 } finally { 19196 Binder.restoreCallingIdentity(identity); 19197 } 19198 } 19199 } 19200 19201 private static void enforceSystemOrPhoneCaller(String tag) { 19202 int callingUid = Binder.getCallingUid(); 19203 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 19204 throw new SecurityException( 19205 "Cannot call " + tag + " from UID " + callingUid); 19206 } 19207 } 19208 19209 boolean isHistoricalPackageUsageAvailable() { 19210 return mPackageUsage.isHistoricalPackageUsageAvailable(); 19211 } 19212} 19213