PackageManagerService.java revision 8a8e68ce3b2b84174661dda1eb089db80c853b65
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_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 68import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 69import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 70import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 71import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 72import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 73import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 74import static android.content.pm.PackageManager.PERMISSION_DENIED; 75import static android.content.pm.PackageManager.PERMISSION_GRANTED; 76import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 77import static android.content.pm.PackageParser.isApkFile; 78import static android.os.Process.PACKAGE_INFO_GID; 79import static android.os.Process.SYSTEM_UID; 80import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 81import static android.system.OsConstants.O_CREAT; 82import static android.system.OsConstants.O_RDWR; 83 84import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 86import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 87import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 88import static com.android.internal.util.ArrayUtils.appendInt; 89import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 90import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 91import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 93import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 94import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 95import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 98 99import android.Manifest; 100import android.annotation.NonNull; 101import android.annotation.Nullable; 102import android.app.ActivityManager; 103import android.app.ActivityManagerNative; 104import android.app.IActivityManager; 105import android.app.admin.DevicePolicyManagerInternal; 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.Process; 178import android.os.RemoteCallbackList; 179import android.os.RemoteException; 180import android.os.ResultReceiver; 181import android.os.SELinux; 182import android.os.ServiceManager; 183import android.os.SystemClock; 184import android.os.SystemProperties; 185import android.os.Trace; 186import android.os.UserHandle; 187import android.os.UserManager; 188import android.os.storage.IMountService; 189import android.os.storage.MountServiceInternal; 190import android.os.storage.StorageEventListener; 191import android.os.storage.StorageManager; 192import android.os.storage.VolumeInfo; 193import android.os.storage.VolumeRecord; 194import android.security.KeyStore; 195import android.security.SystemKeyStore; 196import android.system.ErrnoException; 197import android.system.Os; 198import android.text.TextUtils; 199import android.text.format.DateUtils; 200import android.util.ArrayMap; 201import android.util.ArraySet; 202import android.util.AtomicFile; 203import android.util.DisplayMetrics; 204import android.util.EventLog; 205import android.util.ExceptionUtils; 206import android.util.Log; 207import android.util.LogPrinter; 208import android.util.MathUtils; 209import android.util.PrintStreamPrinter; 210import android.util.Slog; 211import android.util.SparseArray; 212import android.util.SparseBooleanArray; 213import android.util.SparseIntArray; 214import android.util.Xml; 215import android.view.Display; 216 217import com.android.internal.R; 218import com.android.internal.annotations.GuardedBy; 219import com.android.internal.app.IMediaContainerService; 220import com.android.internal.app.ResolverActivity; 221import com.android.internal.content.NativeLibraryHelper; 222import com.android.internal.content.PackageHelper; 223import com.android.internal.os.IParcelFileDescriptorFactory; 224import com.android.internal.os.InstallerConnection.InstallerException; 225import com.android.internal.os.SomeArgs; 226import com.android.internal.os.Zygote; 227import com.android.internal.util.ArrayUtils; 228import com.android.internal.util.FastPrintWriter; 229import com.android.internal.util.FastXmlSerializer; 230import com.android.internal.util.IndentingPrintWriter; 231import com.android.internal.util.Preconditions; 232import com.android.internal.util.XmlUtils; 233import com.android.server.EventLogTags; 234import com.android.server.FgThread; 235import com.android.server.IntentResolver; 236import com.android.server.LocalServices; 237import com.android.server.ServiceThread; 238import com.android.server.SystemConfig; 239import com.android.server.Watchdog; 240import com.android.server.pm.PermissionsState.PermissionState; 241import com.android.server.pm.Settings.DatabaseVersion; 242import com.android.server.pm.Settings.VersionInfo; 243import com.android.server.storage.DeviceStorageMonitorInternal; 244 245import dalvik.system.DexFile; 246import dalvik.system.VMRuntime; 247 248import libcore.io.IoUtils; 249import libcore.util.EmptyArray; 250 251import org.xmlpull.v1.XmlPullParser; 252import org.xmlpull.v1.XmlPullParserException; 253import org.xmlpull.v1.XmlSerializer; 254 255import java.io.BufferedInputStream; 256import java.io.BufferedOutputStream; 257import java.io.BufferedReader; 258import java.io.ByteArrayInputStream; 259import java.io.ByteArrayOutputStream; 260import java.io.File; 261import java.io.FileDescriptor; 262import java.io.FileNotFoundException; 263import java.io.FileOutputStream; 264import java.io.FileReader; 265import java.io.FilenameFilter; 266import java.io.IOException; 267import java.io.InputStream; 268import java.io.PrintWriter; 269import java.nio.charset.StandardCharsets; 270import java.security.MessageDigest; 271import java.security.NoSuchAlgorithmException; 272import java.security.PublicKey; 273import java.security.cert.CertificateEncodingException; 274import java.security.cert.CertificateException; 275import java.text.SimpleDateFormat; 276import java.util.ArrayList; 277import java.util.Arrays; 278import java.util.Collection; 279import java.util.Collections; 280import java.util.Comparator; 281import java.util.Date; 282import java.util.HashSet; 283import java.util.Iterator; 284import java.util.List; 285import java.util.Map; 286import java.util.Objects; 287import java.util.Set; 288import java.util.concurrent.CountDownLatch; 289import java.util.concurrent.TimeUnit; 290import java.util.concurrent.atomic.AtomicBoolean; 291import java.util.concurrent.atomic.AtomicInteger; 292import java.util.concurrent.atomic.AtomicLong; 293 294/** 295 * Keep track of all those .apks everywhere. 296 * 297 * This is very central to the platform's security; please run the unit 298 * tests whenever making modifications here: 299 * 300runtest -c android.content.pm.PackageManagerTests frameworks-core 301 * 302 * {@hide} 303 */ 304public class PackageManagerService extends IPackageManager.Stub { 305 static final String TAG = "PackageManager"; 306 static final boolean DEBUG_SETTINGS = false; 307 static final boolean DEBUG_PREFERRED = false; 308 static final boolean DEBUG_UPGRADE = false; 309 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 310 private static final boolean DEBUG_BACKUP = false; 311 private static final boolean DEBUG_INSTALL = false; 312 private static final boolean DEBUG_REMOVE = false; 313 private static final boolean DEBUG_BROADCASTS = false; 314 private static final boolean DEBUG_SHOW_INFO = false; 315 private static final boolean DEBUG_PACKAGE_INFO = false; 316 private static final boolean DEBUG_INTENT_MATCHING = false; 317 private static final boolean DEBUG_PACKAGE_SCANNING = false; 318 private static final boolean DEBUG_VERIFY = false; 319 320 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 321 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 322 // user, but by default initialize to this. 323 static final boolean DEBUG_DEXOPT = false; 324 325 private static final boolean DEBUG_ABI_SELECTION = false; 326 private static final boolean DEBUG_EPHEMERAL = false; 327 private static final boolean DEBUG_TRIAGED_MISSING = false; 328 private static final boolean DEBUG_APP_DATA = false; 329 330 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 331 332 private static final boolean DISABLE_EPHEMERAL_APPS = true; 333 334 private static final int RADIO_UID = Process.PHONE_UID; 335 private static final int LOG_UID = Process.LOG_UID; 336 private static final int NFC_UID = Process.NFC_UID; 337 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 338 private static final int SHELL_UID = Process.SHELL_UID; 339 340 // Cap the size of permission trees that 3rd party apps can define 341 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 342 343 // Suffix used during package installation when copying/moving 344 // package apks to install directory. 345 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 346 347 static final int SCAN_NO_DEX = 1<<1; 348 static final int SCAN_FORCE_DEX = 1<<2; 349 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 350 static final int SCAN_NEW_INSTALL = 1<<4; 351 static final int SCAN_NO_PATHS = 1<<5; 352 static final int SCAN_UPDATE_TIME = 1<<6; 353 static final int SCAN_DEFER_DEX = 1<<7; 354 static final int SCAN_BOOTING = 1<<8; 355 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 356 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 357 static final int SCAN_REPLACING = 1<<11; 358 static final int SCAN_REQUIRE_KNOWN = 1<<12; 359 static final int SCAN_MOVE = 1<<13; 360 static final int SCAN_INITIAL = 1<<14; 361 static final int SCAN_CHECK_ONLY = 1<<15; 362 static final int SCAN_DONT_KILL_APP = 1<<17; 363 364 static final int REMOVE_CHATTY = 1<<16; 365 366 private static final int[] EMPTY_INT_ARRAY = new int[0]; 367 368 /** 369 * Timeout (in milliseconds) after which the watchdog should declare that 370 * our handler thread is wedged. The usual default for such things is one 371 * minute but we sometimes do very lengthy I/O operations on this thread, 372 * such as installing multi-gigabyte applications, so ours needs to be longer. 373 */ 374 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 375 376 /** 377 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 378 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 379 * settings entry if available, otherwise we use the hardcoded default. If it's been 380 * more than this long since the last fstrim, we force one during the boot sequence. 381 * 382 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 383 * one gets run at the next available charging+idle time. This final mandatory 384 * no-fstrim check kicks in only of the other scheduling criteria is never met. 385 */ 386 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 387 388 /** 389 * Whether verification is enabled by default. 390 */ 391 private static final boolean DEFAULT_VERIFY_ENABLE = true; 392 393 /** 394 * The default maximum time to wait for the verification agent to return in 395 * milliseconds. 396 */ 397 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 398 399 /** 400 * The default response for package verification timeout. 401 * 402 * This can be either PackageManager.VERIFICATION_ALLOW or 403 * PackageManager.VERIFICATION_REJECT. 404 */ 405 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 406 407 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 408 409 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 410 DEFAULT_CONTAINER_PACKAGE, 411 "com.android.defcontainer.DefaultContainerService"); 412 413 private static final String KILL_APP_REASON_GIDS_CHANGED = 414 "permission grant or revoke changed gids"; 415 416 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 417 "permissions revoked"; 418 419 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 420 421 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 422 423 /** Permission grant: not grant the permission. */ 424 private static final int GRANT_DENIED = 1; 425 426 /** Permission grant: grant the permission as an install permission. */ 427 private static final int GRANT_INSTALL = 2; 428 429 /** Permission grant: grant the permission as a runtime one. */ 430 private static final int GRANT_RUNTIME = 3; 431 432 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 433 private static final int GRANT_UPGRADE = 4; 434 435 /** Canonical intent used to identify what counts as a "web browser" app */ 436 private static final Intent sBrowserIntent; 437 static { 438 sBrowserIntent = new Intent(); 439 sBrowserIntent.setAction(Intent.ACTION_VIEW); 440 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 441 sBrowserIntent.setData(Uri.parse("http:")); 442 } 443 444 final ServiceThread mHandlerThread; 445 446 final PackageHandler mHandler; 447 448 /** 449 * Messages for {@link #mHandler} that need to wait for system ready before 450 * being dispatched. 451 */ 452 private ArrayList<Message> mPostSystemReadyMessages; 453 454 final int mSdkVersion = Build.VERSION.SDK_INT; 455 456 final Context mContext; 457 final boolean mFactoryTest; 458 final boolean mOnlyCore; 459 final DisplayMetrics mMetrics; 460 final int mDefParseFlags; 461 final String[] mSeparateProcesses; 462 final boolean mIsUpgrade; 463 464 /** The location for ASEC container files on internal storage. */ 465 final String mAsecInternalPath; 466 467 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 468 // LOCK HELD. Can be called with mInstallLock held. 469 @GuardedBy("mInstallLock") 470 final Installer mInstaller; 471 472 /** Directory where installed third-party apps stored */ 473 final File mAppInstallDir; 474 final File mEphemeralInstallDir; 475 476 /** 477 * Directory to which applications installed internally have their 478 * 32 bit native libraries copied. 479 */ 480 private File mAppLib32InstallDir; 481 482 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 483 // apps. 484 final File mDrmAppPrivateInstallDir; 485 486 // ---------------------------------------------------------------- 487 488 // Lock for state used when installing and doing other long running 489 // operations. Methods that must be called with this lock held have 490 // the suffix "LI". 491 final Object mInstallLock = new Object(); 492 493 // ---------------------------------------------------------------- 494 495 // Keys are String (package name), values are Package. This also serves 496 // as the lock for the global state. Methods that must be called with 497 // this lock held have the prefix "LP". 498 @GuardedBy("mPackages") 499 final ArrayMap<String, PackageParser.Package> mPackages = 500 new ArrayMap<String, PackageParser.Package>(); 501 502 final ArrayMap<String, Set<String>> mKnownCodebase = 503 new ArrayMap<String, Set<String>>(); 504 505 // Tracks available target package names -> overlay package paths. 506 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 507 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 508 509 /** 510 * Tracks new system packages [received in an OTA] that we expect to 511 * find updated user-installed versions. Keys are package name, values 512 * are package location. 513 */ 514 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 515 516 /** 517 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 518 */ 519 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 520 /** 521 * Whether or not system app permissions should be promoted from install to runtime. 522 */ 523 boolean mPromoteSystemApps; 524 525 final Settings mSettings; 526 boolean mRestoredSettings; 527 528 // System configuration read by SystemConfig. 529 final int[] mGlobalGids; 530 final SparseArray<ArraySet<String>> mSystemPermissions; 531 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 532 533 // If mac_permissions.xml was found for seinfo labeling. 534 boolean mFoundPolicyFile; 535 536 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 537 538 public static final class SharedLibraryEntry { 539 public final String path; 540 public final String apk; 541 542 SharedLibraryEntry(String _path, String _apk) { 543 path = _path; 544 apk = _apk; 545 } 546 } 547 548 // Currently known shared libraries. 549 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 550 new ArrayMap<String, SharedLibraryEntry>(); 551 552 // All available activities, for your resolving pleasure. 553 final ActivityIntentResolver mActivities = 554 new ActivityIntentResolver(); 555 556 // All available receivers, for your resolving pleasure. 557 final ActivityIntentResolver mReceivers = 558 new ActivityIntentResolver(); 559 560 // All available services, for your resolving pleasure. 561 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 562 563 // All available providers, for your resolving pleasure. 564 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 565 566 // Mapping from provider base names (first directory in content URI codePath) 567 // to the provider information. 568 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 569 new ArrayMap<String, PackageParser.Provider>(); 570 571 // Mapping from instrumentation class names to info about them. 572 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 573 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 574 575 // Mapping from permission names to info about them. 576 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 577 new ArrayMap<String, PackageParser.PermissionGroup>(); 578 579 // Packages whose data we have transfered into another package, thus 580 // should no longer exist. 581 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 582 583 // Broadcast actions that are only available to the system. 584 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 585 586 /** List of packages waiting for verification. */ 587 final SparseArray<PackageVerificationState> mPendingVerification 588 = new SparseArray<PackageVerificationState>(); 589 590 /** Set of packages associated with each app op permission. */ 591 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 592 593 final PackageInstallerService mInstallerService; 594 595 private final PackageDexOptimizer mPackageDexOptimizer; 596 597 private AtomicInteger mNextMoveId = new AtomicInteger(); 598 private final MoveCallbacks mMoveCallbacks; 599 600 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 601 602 // Cache of users who need badging. 603 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 604 605 /** Token for keys in mPendingVerification. */ 606 private int mPendingVerificationToken = 0; 607 608 volatile boolean mSystemReady; 609 volatile boolean mSafeMode; 610 volatile boolean mHasSystemUidErrors; 611 612 ApplicationInfo mAndroidApplication; 613 final ActivityInfo mResolveActivity = new ActivityInfo(); 614 final ResolveInfo mResolveInfo = new ResolveInfo(); 615 ComponentName mResolveComponentName; 616 PackageParser.Package mPlatformPackage; 617 ComponentName mCustomResolverComponentName; 618 619 boolean mResolverReplaced = false; 620 621 private final @Nullable ComponentName mIntentFilterVerifierComponent; 622 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 623 624 private int mIntentFilterVerificationToken = 0; 625 626 /** Component that knows whether or not an ephemeral application exists */ 627 final ComponentName mEphemeralResolverComponent; 628 /** The service connection to the ephemeral resolver */ 629 final EphemeralResolverConnection mEphemeralResolverConnection; 630 631 /** Component used to install ephemeral applications */ 632 final ComponentName mEphemeralInstallerComponent; 633 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 634 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 635 636 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 637 = new SparseArray<IntentFilterVerificationState>(); 638 639 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 640 new DefaultPermissionGrantPolicy(this); 641 642 // List of packages names to keep cached, even if they are uninstalled for all users 643 private List<String> mKeepUninstalledPackages; 644 645 private static class IFVerificationParams { 646 PackageParser.Package pkg; 647 boolean replacing; 648 int userId; 649 int verifierUid; 650 651 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 652 int _userId, int _verifierUid) { 653 pkg = _pkg; 654 replacing = _replacing; 655 userId = _userId; 656 replacing = _replacing; 657 verifierUid = _verifierUid; 658 } 659 } 660 661 private interface IntentFilterVerifier<T extends IntentFilter> { 662 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 663 T filter, String packageName); 664 void startVerifications(int userId); 665 void receiveVerificationResponse(int verificationId); 666 } 667 668 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 669 private Context mContext; 670 private ComponentName mIntentFilterVerifierComponent; 671 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 672 673 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 674 mContext = context; 675 mIntentFilterVerifierComponent = verifierComponent; 676 } 677 678 private String getDefaultScheme() { 679 return IntentFilter.SCHEME_HTTPS; 680 } 681 682 @Override 683 public void startVerifications(int userId) { 684 // Launch verifications requests 685 int count = mCurrentIntentFilterVerifications.size(); 686 for (int n=0; n<count; n++) { 687 int verificationId = mCurrentIntentFilterVerifications.get(n); 688 final IntentFilterVerificationState ivs = 689 mIntentFilterVerificationStates.get(verificationId); 690 691 String packageName = ivs.getPackageName(); 692 693 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 694 final int filterCount = filters.size(); 695 ArraySet<String> domainsSet = new ArraySet<>(); 696 for (int m=0; m<filterCount; m++) { 697 PackageParser.ActivityIntentInfo filter = filters.get(m); 698 domainsSet.addAll(filter.getHostsList()); 699 } 700 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 701 synchronized (mPackages) { 702 if (mSettings.createIntentFilterVerificationIfNeededLPw( 703 packageName, domainsList) != null) { 704 scheduleWriteSettingsLocked(); 705 } 706 } 707 sendVerificationRequest(userId, verificationId, ivs); 708 } 709 mCurrentIntentFilterVerifications.clear(); 710 } 711 712 private void sendVerificationRequest(int userId, int verificationId, 713 IntentFilterVerificationState ivs) { 714 715 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 716 verificationIntent.putExtra( 717 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 718 verificationId); 719 verificationIntent.putExtra( 720 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 721 getDefaultScheme()); 722 verificationIntent.putExtra( 723 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 724 ivs.getHostsString()); 725 verificationIntent.putExtra( 726 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 727 ivs.getPackageName()); 728 verificationIntent.setComponent(mIntentFilterVerifierComponent); 729 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 730 731 UserHandle user = new UserHandle(userId); 732 mContext.sendBroadcastAsUser(verificationIntent, user); 733 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 734 "Sending IntentFilter verification broadcast"); 735 } 736 737 public void receiveVerificationResponse(int verificationId) { 738 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 739 740 final boolean verified = ivs.isVerified(); 741 742 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 743 final int count = filters.size(); 744 if (DEBUG_DOMAIN_VERIFICATION) { 745 Slog.i(TAG, "Received verification response " + verificationId 746 + " for " + count + " filters, verified=" + verified); 747 } 748 for (int n=0; n<count; n++) { 749 PackageParser.ActivityIntentInfo filter = filters.get(n); 750 filter.setVerified(verified); 751 752 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 753 + " verified with result:" + verified + " and hosts:" 754 + ivs.getHostsString()); 755 } 756 757 mIntentFilterVerificationStates.remove(verificationId); 758 759 final String packageName = ivs.getPackageName(); 760 IntentFilterVerificationInfo ivi = null; 761 762 synchronized (mPackages) { 763 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 764 } 765 if (ivi == null) { 766 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 767 + verificationId + " packageName:" + packageName); 768 return; 769 } 770 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 771 "Updating IntentFilterVerificationInfo for package " + packageName 772 +" verificationId:" + verificationId); 773 774 synchronized (mPackages) { 775 if (verified) { 776 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 777 } else { 778 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 779 } 780 scheduleWriteSettingsLocked(); 781 782 final int userId = ivs.getUserId(); 783 if (userId != UserHandle.USER_ALL) { 784 final int userStatus = 785 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 786 787 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 788 boolean needUpdate = false; 789 790 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 791 // already been set by the User thru the Disambiguation dialog 792 switch (userStatus) { 793 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 794 if (verified) { 795 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 796 } else { 797 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 798 } 799 needUpdate = true; 800 break; 801 802 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 803 if (verified) { 804 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 805 needUpdate = true; 806 } 807 break; 808 809 default: 810 // Nothing to do 811 } 812 813 if (needUpdate) { 814 mSettings.updateIntentFilterVerificationStatusLPw( 815 packageName, updatedStatus, userId); 816 scheduleWritePackageRestrictionsLocked(userId); 817 } 818 } 819 } 820 } 821 822 @Override 823 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 824 ActivityIntentInfo filter, String packageName) { 825 if (!hasValidDomains(filter)) { 826 return false; 827 } 828 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 829 if (ivs == null) { 830 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 831 packageName); 832 } 833 if (DEBUG_DOMAIN_VERIFICATION) { 834 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 835 } 836 ivs.addFilter(filter); 837 return true; 838 } 839 840 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 841 int userId, int verificationId, String packageName) { 842 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 843 verifierUid, userId, packageName); 844 ivs.setPendingState(); 845 synchronized (mPackages) { 846 mIntentFilterVerificationStates.append(verificationId, ivs); 847 mCurrentIntentFilterVerifications.add(verificationId); 848 } 849 return ivs; 850 } 851 } 852 853 private static boolean hasValidDomains(ActivityIntentInfo filter) { 854 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 855 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 856 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 857 } 858 859 // Set of pending broadcasts for aggregating enable/disable of components. 860 static class PendingPackageBroadcasts { 861 // for each user id, a map of <package name -> components within that package> 862 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 863 864 public PendingPackageBroadcasts() { 865 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 866 } 867 868 public ArrayList<String> get(int userId, String packageName) { 869 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 870 return packages.get(packageName); 871 } 872 873 public void put(int userId, String packageName, ArrayList<String> components) { 874 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 875 packages.put(packageName, components); 876 } 877 878 public void remove(int userId, String packageName) { 879 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 880 if (packages != null) { 881 packages.remove(packageName); 882 } 883 } 884 885 public void remove(int userId) { 886 mUidMap.remove(userId); 887 } 888 889 public int userIdCount() { 890 return mUidMap.size(); 891 } 892 893 public int userIdAt(int n) { 894 return mUidMap.keyAt(n); 895 } 896 897 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 898 return mUidMap.get(userId); 899 } 900 901 public int size() { 902 // total number of pending broadcast entries across all userIds 903 int num = 0; 904 for (int i = 0; i< mUidMap.size(); i++) { 905 num += mUidMap.valueAt(i).size(); 906 } 907 return num; 908 } 909 910 public void clear() { 911 mUidMap.clear(); 912 } 913 914 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 915 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 916 if (map == null) { 917 map = new ArrayMap<String, ArrayList<String>>(); 918 mUidMap.put(userId, map); 919 } 920 return map; 921 } 922 } 923 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 924 925 // Service Connection to remote media container service to copy 926 // package uri's from external media onto secure containers 927 // or internal storage. 928 private IMediaContainerService mContainerService = null; 929 930 static final int SEND_PENDING_BROADCAST = 1; 931 static final int MCS_BOUND = 3; 932 static final int END_COPY = 4; 933 static final int INIT_COPY = 5; 934 static final int MCS_UNBIND = 6; 935 static final int START_CLEANING_PACKAGE = 7; 936 static final int FIND_INSTALL_LOC = 8; 937 static final int POST_INSTALL = 9; 938 static final int MCS_RECONNECT = 10; 939 static final int MCS_GIVE_UP = 11; 940 static final int UPDATED_MEDIA_STATUS = 12; 941 static final int WRITE_SETTINGS = 13; 942 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 943 static final int PACKAGE_VERIFIED = 15; 944 static final int CHECK_PENDING_VERIFICATION = 16; 945 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 946 static final int INTENT_FILTER_VERIFIED = 18; 947 948 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 949 950 // Delay time in millisecs 951 static final int BROADCAST_DELAY = 10 * 1000; 952 953 static UserManagerService sUserManager; 954 955 // Stores a list of users whose package restrictions file needs to be updated 956 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 957 958 final private DefaultContainerConnection mDefContainerConn = 959 new DefaultContainerConnection(); 960 class DefaultContainerConnection implements ServiceConnection { 961 public void onServiceConnected(ComponentName name, IBinder service) { 962 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 963 IMediaContainerService imcs = 964 IMediaContainerService.Stub.asInterface(service); 965 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 966 } 967 968 public void onServiceDisconnected(ComponentName name) { 969 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 970 } 971 } 972 973 // Recordkeeping of restore-after-install operations that are currently in flight 974 // between the Package Manager and the Backup Manager 975 static class PostInstallData { 976 public InstallArgs args; 977 public PackageInstalledInfo res; 978 979 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 980 args = _a; 981 res = _r; 982 } 983 } 984 985 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 986 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 987 988 // XML tags for backup/restore of various bits of state 989 private static final String TAG_PREFERRED_BACKUP = "pa"; 990 private static final String TAG_DEFAULT_APPS = "da"; 991 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 992 993 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 994 private static final String TAG_ALL_GRANTS = "rt-grants"; 995 private static final String TAG_GRANT = "grant"; 996 private static final String ATTR_PACKAGE_NAME = "pkg"; 997 998 private static final String TAG_PERMISSION = "perm"; 999 private static final String ATTR_PERMISSION_NAME = "name"; 1000 private static final String ATTR_IS_GRANTED = "g"; 1001 private static final String ATTR_USER_SET = "set"; 1002 private static final String ATTR_USER_FIXED = "fixed"; 1003 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1004 1005 // System/policy permission grants are not backed up 1006 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1007 FLAG_PERMISSION_POLICY_FIXED 1008 | FLAG_PERMISSION_SYSTEM_FIXED 1009 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1010 1011 // And we back up these user-adjusted states 1012 private static final int USER_RUNTIME_GRANT_MASK = 1013 FLAG_PERMISSION_USER_SET 1014 | FLAG_PERMISSION_USER_FIXED 1015 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1016 1017 final @Nullable String mRequiredVerifierPackage; 1018 final @Nullable String mRequiredInstallerPackage; 1019 1020 private final PackageUsage mPackageUsage = new PackageUsage(); 1021 1022 private class PackageUsage { 1023 private static final int WRITE_INTERVAL 1024 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1025 1026 private final Object mFileLock = new Object(); 1027 private final AtomicLong mLastWritten = new AtomicLong(0); 1028 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1029 1030 private boolean mIsHistoricalPackageUsageAvailable = true; 1031 1032 boolean isHistoricalPackageUsageAvailable() { 1033 return mIsHistoricalPackageUsageAvailable; 1034 } 1035 1036 void write(boolean force) { 1037 if (force) { 1038 writeInternal(); 1039 return; 1040 } 1041 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1042 && !DEBUG_DEXOPT) { 1043 return; 1044 } 1045 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1046 new Thread("PackageUsage_DiskWriter") { 1047 @Override 1048 public void run() { 1049 try { 1050 writeInternal(); 1051 } finally { 1052 mBackgroundWriteRunning.set(false); 1053 } 1054 } 1055 }.start(); 1056 } 1057 } 1058 1059 private void writeInternal() { 1060 synchronized (mPackages) { 1061 synchronized (mFileLock) { 1062 AtomicFile file = getFile(); 1063 FileOutputStream f = null; 1064 try { 1065 f = file.startWrite(); 1066 BufferedOutputStream out = new BufferedOutputStream(f); 1067 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1068 StringBuilder sb = new StringBuilder(); 1069 for (PackageParser.Package pkg : mPackages.values()) { 1070 if (pkg.mLastPackageUsageTimeInMills == 0) { 1071 continue; 1072 } 1073 sb.setLength(0); 1074 sb.append(pkg.packageName); 1075 sb.append(' '); 1076 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1077 sb.append('\n'); 1078 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1079 } 1080 out.flush(); 1081 file.finishWrite(f); 1082 } catch (IOException e) { 1083 if (f != null) { 1084 file.failWrite(f); 1085 } 1086 Log.e(TAG, "Failed to write package usage times", e); 1087 } 1088 } 1089 } 1090 mLastWritten.set(SystemClock.elapsedRealtime()); 1091 } 1092 1093 void readLP() { 1094 synchronized (mFileLock) { 1095 AtomicFile file = getFile(); 1096 BufferedInputStream in = null; 1097 try { 1098 in = new BufferedInputStream(file.openRead()); 1099 StringBuffer sb = new StringBuffer(); 1100 while (true) { 1101 String packageName = readToken(in, sb, ' '); 1102 if (packageName == null) { 1103 break; 1104 } 1105 String timeInMillisString = readToken(in, sb, '\n'); 1106 if (timeInMillisString == null) { 1107 throw new IOException("Failed to find last usage time for package " 1108 + packageName); 1109 } 1110 PackageParser.Package pkg = mPackages.get(packageName); 1111 if (pkg == null) { 1112 continue; 1113 } 1114 long timeInMillis; 1115 try { 1116 timeInMillis = Long.parseLong(timeInMillisString); 1117 } catch (NumberFormatException e) { 1118 throw new IOException("Failed to parse " + timeInMillisString 1119 + " as a long.", e); 1120 } 1121 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1122 } 1123 } catch (FileNotFoundException expected) { 1124 mIsHistoricalPackageUsageAvailable = false; 1125 } catch (IOException e) { 1126 Log.w(TAG, "Failed to read package usage times", e); 1127 } finally { 1128 IoUtils.closeQuietly(in); 1129 } 1130 } 1131 mLastWritten.set(SystemClock.elapsedRealtime()); 1132 } 1133 1134 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1135 throws IOException { 1136 sb.setLength(0); 1137 while (true) { 1138 int ch = in.read(); 1139 if (ch == -1) { 1140 if (sb.length() == 0) { 1141 return null; 1142 } 1143 throw new IOException("Unexpected EOF"); 1144 } 1145 if (ch == endOfToken) { 1146 return sb.toString(); 1147 } 1148 sb.append((char)ch); 1149 } 1150 } 1151 1152 private AtomicFile getFile() { 1153 File dataDir = Environment.getDataDirectory(); 1154 File systemDir = new File(dataDir, "system"); 1155 File fname = new File(systemDir, "package-usage.list"); 1156 return new AtomicFile(fname); 1157 } 1158 } 1159 1160 class PackageHandler extends Handler { 1161 private boolean mBound = false; 1162 final ArrayList<HandlerParams> mPendingInstalls = 1163 new ArrayList<HandlerParams>(); 1164 1165 private boolean connectToService() { 1166 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1167 " DefaultContainerService"); 1168 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1169 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1170 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1171 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1172 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1173 mBound = true; 1174 return true; 1175 } 1176 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1177 return false; 1178 } 1179 1180 private void disconnectService() { 1181 mContainerService = null; 1182 mBound = false; 1183 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1184 mContext.unbindService(mDefContainerConn); 1185 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1186 } 1187 1188 PackageHandler(Looper looper) { 1189 super(looper); 1190 } 1191 1192 public void handleMessage(Message msg) { 1193 try { 1194 doHandleMessage(msg); 1195 } finally { 1196 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1197 } 1198 } 1199 1200 void doHandleMessage(Message msg) { 1201 switch (msg.what) { 1202 case INIT_COPY: { 1203 HandlerParams params = (HandlerParams) msg.obj; 1204 int idx = mPendingInstalls.size(); 1205 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1206 // If a bind was already initiated we dont really 1207 // need to do anything. The pending install 1208 // will be processed later on. 1209 if (!mBound) { 1210 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1211 System.identityHashCode(mHandler)); 1212 // If this is the only one pending we might 1213 // have to bind to the service again. 1214 if (!connectToService()) { 1215 Slog.e(TAG, "Failed to bind to media container service"); 1216 params.serviceError(); 1217 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1218 System.identityHashCode(mHandler)); 1219 if (params.traceMethod != null) { 1220 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1221 params.traceCookie); 1222 } 1223 return; 1224 } else { 1225 // Once we bind to the service, the first 1226 // pending request will be processed. 1227 mPendingInstalls.add(idx, params); 1228 } 1229 } else { 1230 mPendingInstalls.add(idx, params); 1231 // Already bound to the service. Just make 1232 // sure we trigger off processing the first request. 1233 if (idx == 0) { 1234 mHandler.sendEmptyMessage(MCS_BOUND); 1235 } 1236 } 1237 break; 1238 } 1239 case MCS_BOUND: { 1240 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1241 if (msg.obj != null) { 1242 mContainerService = (IMediaContainerService) msg.obj; 1243 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1244 System.identityHashCode(mHandler)); 1245 } 1246 if (mContainerService == null) { 1247 if (!mBound) { 1248 // Something seriously wrong since we are not bound and we are not 1249 // waiting for connection. Bail out. 1250 Slog.e(TAG, "Cannot bind to media container service"); 1251 for (HandlerParams params : mPendingInstalls) { 1252 // Indicate service bind error 1253 params.serviceError(); 1254 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1255 System.identityHashCode(params)); 1256 if (params.traceMethod != null) { 1257 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1258 params.traceMethod, params.traceCookie); 1259 } 1260 return; 1261 } 1262 mPendingInstalls.clear(); 1263 } else { 1264 Slog.w(TAG, "Waiting to connect to media container service"); 1265 } 1266 } else if (mPendingInstalls.size() > 0) { 1267 HandlerParams params = mPendingInstalls.get(0); 1268 if (params != null) { 1269 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1270 System.identityHashCode(params)); 1271 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1272 if (params.startCopy()) { 1273 // We are done... look for more work or to 1274 // go idle. 1275 if (DEBUG_SD_INSTALL) Log.i(TAG, 1276 "Checking for more work or unbind..."); 1277 // Delete pending install 1278 if (mPendingInstalls.size() > 0) { 1279 mPendingInstalls.remove(0); 1280 } 1281 if (mPendingInstalls.size() == 0) { 1282 if (mBound) { 1283 if (DEBUG_SD_INSTALL) Log.i(TAG, 1284 "Posting delayed MCS_UNBIND"); 1285 removeMessages(MCS_UNBIND); 1286 Message ubmsg = obtainMessage(MCS_UNBIND); 1287 // Unbind after a little delay, to avoid 1288 // continual thrashing. 1289 sendMessageDelayed(ubmsg, 10000); 1290 } 1291 } else { 1292 // There are more pending requests in queue. 1293 // Just post MCS_BOUND message to trigger processing 1294 // of next pending install. 1295 if (DEBUG_SD_INSTALL) Log.i(TAG, 1296 "Posting MCS_BOUND for next work"); 1297 mHandler.sendEmptyMessage(MCS_BOUND); 1298 } 1299 } 1300 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1301 } 1302 } else { 1303 // Should never happen ideally. 1304 Slog.w(TAG, "Empty queue"); 1305 } 1306 break; 1307 } 1308 case MCS_RECONNECT: { 1309 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1310 if (mPendingInstalls.size() > 0) { 1311 if (mBound) { 1312 disconnectService(); 1313 } 1314 if (!connectToService()) { 1315 Slog.e(TAG, "Failed to bind to media container service"); 1316 for (HandlerParams params : mPendingInstalls) { 1317 // Indicate service bind error 1318 params.serviceError(); 1319 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1320 System.identityHashCode(params)); 1321 } 1322 mPendingInstalls.clear(); 1323 } 1324 } 1325 break; 1326 } 1327 case MCS_UNBIND: { 1328 // If there is no actual work left, then time to unbind. 1329 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1330 1331 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1332 if (mBound) { 1333 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1334 1335 disconnectService(); 1336 } 1337 } else if (mPendingInstalls.size() > 0) { 1338 // There are more pending requests in queue. 1339 // Just post MCS_BOUND message to trigger processing 1340 // of next pending install. 1341 mHandler.sendEmptyMessage(MCS_BOUND); 1342 } 1343 1344 break; 1345 } 1346 case MCS_GIVE_UP: { 1347 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1348 HandlerParams params = mPendingInstalls.remove(0); 1349 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1350 System.identityHashCode(params)); 1351 break; 1352 } 1353 case SEND_PENDING_BROADCAST: { 1354 String packages[]; 1355 ArrayList<String> components[]; 1356 int size = 0; 1357 int uids[]; 1358 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1359 synchronized (mPackages) { 1360 if (mPendingBroadcasts == null) { 1361 return; 1362 } 1363 size = mPendingBroadcasts.size(); 1364 if (size <= 0) { 1365 // Nothing to be done. Just return 1366 return; 1367 } 1368 packages = new String[size]; 1369 components = new ArrayList[size]; 1370 uids = new int[size]; 1371 int i = 0; // filling out the above arrays 1372 1373 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1374 int packageUserId = mPendingBroadcasts.userIdAt(n); 1375 Iterator<Map.Entry<String, ArrayList<String>>> it 1376 = mPendingBroadcasts.packagesForUserId(packageUserId) 1377 .entrySet().iterator(); 1378 while (it.hasNext() && i < size) { 1379 Map.Entry<String, ArrayList<String>> ent = it.next(); 1380 packages[i] = ent.getKey(); 1381 components[i] = ent.getValue(); 1382 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1383 uids[i] = (ps != null) 1384 ? UserHandle.getUid(packageUserId, ps.appId) 1385 : -1; 1386 i++; 1387 } 1388 } 1389 size = i; 1390 mPendingBroadcasts.clear(); 1391 } 1392 // Send broadcasts 1393 for (int i = 0; i < size; i++) { 1394 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1395 } 1396 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1397 break; 1398 } 1399 case START_CLEANING_PACKAGE: { 1400 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1401 final String packageName = (String)msg.obj; 1402 final int userId = msg.arg1; 1403 final boolean andCode = msg.arg2 != 0; 1404 synchronized (mPackages) { 1405 if (userId == UserHandle.USER_ALL) { 1406 int[] users = sUserManager.getUserIds(); 1407 for (int user : users) { 1408 mSettings.addPackageToCleanLPw( 1409 new PackageCleanItem(user, packageName, andCode)); 1410 } 1411 } else { 1412 mSettings.addPackageToCleanLPw( 1413 new PackageCleanItem(userId, packageName, andCode)); 1414 } 1415 } 1416 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1417 startCleaningPackages(); 1418 } break; 1419 case POST_INSTALL: { 1420 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1421 1422 PostInstallData data = mRunningInstalls.get(msg.arg1); 1423 mRunningInstalls.delete(msg.arg1); 1424 1425 if (data != null) { 1426 InstallArgs args = data.args; 1427 PackageInstalledInfo parentRes = data.res; 1428 1429 final boolean grantPermissions = (args.installFlags 1430 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1431 final boolean killApp = (args.installFlags 1432 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1433 final String[] grantedPermissions = args.installGrantPermissions; 1434 1435 // Handle the parent package 1436 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1437 grantedPermissions, args.observer); 1438 1439 // Handle the child packages 1440 final int childCount = (parentRes.addedChildPackages != null) 1441 ? parentRes.addedChildPackages.size() : 0; 1442 for (int i = 0; i < childCount; i++) { 1443 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1444 handlePackagePostInstall(childRes, grantPermissions, killApp, 1445 grantedPermissions, args.observer); 1446 } 1447 1448 // Log tracing if needed 1449 if (args.traceMethod != null) { 1450 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1451 args.traceCookie); 1452 } 1453 } else { 1454 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1455 } 1456 1457 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1458 } break; 1459 case UPDATED_MEDIA_STATUS: { 1460 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1461 boolean reportStatus = msg.arg1 == 1; 1462 boolean doGc = msg.arg2 == 1; 1463 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1464 if (doGc) { 1465 // Force a gc to clear up stale containers. 1466 Runtime.getRuntime().gc(); 1467 } 1468 if (msg.obj != null) { 1469 @SuppressWarnings("unchecked") 1470 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1471 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1472 // Unload containers 1473 unloadAllContainers(args); 1474 } 1475 if (reportStatus) { 1476 try { 1477 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1478 PackageHelper.getMountService().finishMediaUpdate(); 1479 } catch (RemoteException e) { 1480 Log.e(TAG, "MountService not running?"); 1481 } 1482 } 1483 } break; 1484 case WRITE_SETTINGS: { 1485 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1486 synchronized (mPackages) { 1487 removeMessages(WRITE_SETTINGS); 1488 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1489 mSettings.writeLPr(); 1490 mDirtyUsers.clear(); 1491 } 1492 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1493 } break; 1494 case WRITE_PACKAGE_RESTRICTIONS: { 1495 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1496 synchronized (mPackages) { 1497 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1498 for (int userId : mDirtyUsers) { 1499 mSettings.writePackageRestrictionsLPr(userId); 1500 } 1501 mDirtyUsers.clear(); 1502 } 1503 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1504 } break; 1505 case CHECK_PENDING_VERIFICATION: { 1506 final int verificationId = msg.arg1; 1507 final PackageVerificationState state = mPendingVerification.get(verificationId); 1508 1509 if ((state != null) && !state.timeoutExtended()) { 1510 final InstallArgs args = state.getInstallArgs(); 1511 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1512 1513 Slog.i(TAG, "Verification timed out for " + originUri); 1514 mPendingVerification.remove(verificationId); 1515 1516 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1517 1518 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1519 Slog.i(TAG, "Continuing with installation of " + originUri); 1520 state.setVerifierResponse(Binder.getCallingUid(), 1521 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1522 broadcastPackageVerified(verificationId, originUri, 1523 PackageManager.VERIFICATION_ALLOW, 1524 state.getInstallArgs().getUser()); 1525 try { 1526 ret = args.copyApk(mContainerService, true); 1527 } catch (RemoteException e) { 1528 Slog.e(TAG, "Could not contact the ContainerService"); 1529 } 1530 } else { 1531 broadcastPackageVerified(verificationId, originUri, 1532 PackageManager.VERIFICATION_REJECT, 1533 state.getInstallArgs().getUser()); 1534 } 1535 1536 Trace.asyncTraceEnd( 1537 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1538 1539 processPendingInstall(args, ret); 1540 mHandler.sendEmptyMessage(MCS_UNBIND); 1541 } 1542 break; 1543 } 1544 case PACKAGE_VERIFIED: { 1545 final int verificationId = msg.arg1; 1546 1547 final PackageVerificationState state = mPendingVerification.get(verificationId); 1548 if (state == null) { 1549 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1550 break; 1551 } 1552 1553 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1554 1555 state.setVerifierResponse(response.callerUid, response.code); 1556 1557 if (state.isVerificationComplete()) { 1558 mPendingVerification.remove(verificationId); 1559 1560 final InstallArgs args = state.getInstallArgs(); 1561 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1562 1563 int ret; 1564 if (state.isInstallAllowed()) { 1565 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1566 broadcastPackageVerified(verificationId, originUri, 1567 response.code, state.getInstallArgs().getUser()); 1568 try { 1569 ret = args.copyApk(mContainerService, true); 1570 } catch (RemoteException e) { 1571 Slog.e(TAG, "Could not contact the ContainerService"); 1572 } 1573 } else { 1574 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1575 } 1576 1577 Trace.asyncTraceEnd( 1578 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1579 1580 processPendingInstall(args, ret); 1581 mHandler.sendEmptyMessage(MCS_UNBIND); 1582 } 1583 1584 break; 1585 } 1586 case START_INTENT_FILTER_VERIFICATIONS: { 1587 IFVerificationParams params = (IFVerificationParams) msg.obj; 1588 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1589 params.replacing, params.pkg); 1590 break; 1591 } 1592 case INTENT_FILTER_VERIFIED: { 1593 final int verificationId = msg.arg1; 1594 1595 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1596 verificationId); 1597 if (state == null) { 1598 Slog.w(TAG, "Invalid IntentFilter verification token " 1599 + verificationId + " received"); 1600 break; 1601 } 1602 1603 final int userId = state.getUserId(); 1604 1605 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1606 "Processing IntentFilter verification with token:" 1607 + verificationId + " and userId:" + userId); 1608 1609 final IntentFilterVerificationResponse response = 1610 (IntentFilterVerificationResponse) msg.obj; 1611 1612 state.setVerifierResponse(response.callerUid, response.code); 1613 1614 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1615 "IntentFilter verification with token:" + verificationId 1616 + " and userId:" + userId 1617 + " is settings verifier response with response code:" 1618 + response.code); 1619 1620 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1621 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1622 + response.getFailedDomainsString()); 1623 } 1624 1625 if (state.isVerificationComplete()) { 1626 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1627 } else { 1628 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1629 "IntentFilter verification with token:" + verificationId 1630 + " was not said to be complete"); 1631 } 1632 1633 break; 1634 } 1635 } 1636 } 1637 } 1638 1639 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1640 boolean killApp, String[] grantedPermissions, 1641 IPackageInstallObserver2 installObserver) { 1642 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1643 // Send the removed broadcasts 1644 if (res.removedInfo != null) { 1645 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1646 } 1647 1648 // Now that we successfully installed the package, grant runtime 1649 // permissions if requested before broadcasting the install. 1650 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1651 >= Build.VERSION_CODES.M) { 1652 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1653 } 1654 1655 final boolean update = res.removedInfo != null 1656 && res.removedInfo.removedPackage != null; 1657 1658 // If this is the first time we have child packages for a disabled privileged 1659 // app that had no children, we grant requested runtime permissions to the new 1660 // children if the parent on the system image had them already granted. 1661 if (res.pkg.parentPackage != null) { 1662 synchronized (mPackages) { 1663 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1664 } 1665 } 1666 1667 synchronized (mPackages) { 1668 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1669 } 1670 1671 final String packageName = res.pkg.applicationInfo.packageName; 1672 Bundle extras = new Bundle(1); 1673 extras.putInt(Intent.EXTRA_UID, res.uid); 1674 1675 // Determine the set of users who are adding this package for 1676 // the first time vs. those who are seeing an update. 1677 int[] firstUsers = EMPTY_INT_ARRAY; 1678 int[] updateUsers = EMPTY_INT_ARRAY; 1679 if (res.origUsers == null || res.origUsers.length == 0) { 1680 firstUsers = res.newUsers; 1681 } else { 1682 for (int newUser : res.newUsers) { 1683 boolean isNew = true; 1684 for (int origUser : res.origUsers) { 1685 if (origUser == newUser) { 1686 isNew = false; 1687 break; 1688 } 1689 } 1690 if (isNew) { 1691 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1692 } else { 1693 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1694 } 1695 } 1696 } 1697 1698 // Send installed broadcasts if the install/update is not ephemeral 1699 if (!isEphemeral(res.pkg)) { 1700 // Send added for users that see the package for the first time 1701 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1702 extras, 0 /*flags*/, null /*targetPackage*/, 1703 null /*finishedReceiver*/, firstUsers); 1704 1705 // Send added for users that don't see the package for the first time 1706 if (update) { 1707 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1708 } 1709 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1710 extras, 0 /*flags*/, null /*targetPackage*/, 1711 null /*finishedReceiver*/, updateUsers); 1712 1713 // Send replaced for users that don't see the package for the first time 1714 if (update) { 1715 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1716 packageName, extras, 0 /*flags*/, 1717 null /*targetPackage*/, null /*finishedReceiver*/, 1718 updateUsers); 1719 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1720 null /*package*/, null /*extras*/, 0 /*flags*/, 1721 packageName /*targetPackage*/, 1722 null /*finishedReceiver*/, updateUsers); 1723 } 1724 1725 // Send broadcast package appeared if forward locked/external for all users 1726 // treat asec-hosted packages like removable media on upgrade 1727 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1728 if (DEBUG_INSTALL) { 1729 Slog.i(TAG, "upgrading pkg " + res.pkg 1730 + " is ASEC-hosted -> AVAILABLE"); 1731 } 1732 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1733 ArrayList<String> pkgList = new ArrayList<>(1); 1734 pkgList.add(packageName); 1735 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1736 } 1737 } 1738 1739 // Work that needs to happen on first install within each user 1740 if (firstUsers != null && firstUsers.length > 0) { 1741 synchronized (mPackages) { 1742 for (int userId : firstUsers) { 1743 // If this app is a browser and it's newly-installed for some 1744 // users, clear any default-browser state in those users. The 1745 // app's nature doesn't depend on the user, so we can just check 1746 // its browser nature in any user and generalize. 1747 if (packageIsBrowser(packageName, userId)) { 1748 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1749 } 1750 1751 // We may also need to apply pending (restored) runtime 1752 // permission grants within these users. 1753 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1754 } 1755 } 1756 } 1757 1758 // Log current value of "unknown sources" setting 1759 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1760 getUnknownSourcesSettings()); 1761 1762 // Force a gc to clear up things 1763 Runtime.getRuntime().gc(); 1764 1765 // Remove the replaced package's older resources safely now 1766 // We delete after a gc for applications on sdcard. 1767 if (res.removedInfo != null && res.removedInfo.args != null) { 1768 synchronized (mInstallLock) { 1769 res.removedInfo.args.doPostDeleteLI(true); 1770 } 1771 } 1772 } 1773 1774 // If someone is watching installs - notify them 1775 if (installObserver != null) { 1776 try { 1777 Bundle extras = extrasForInstallResult(res); 1778 installObserver.onPackageInstalled(res.name, res.returnCode, 1779 res.returnMsg, extras); 1780 } catch (RemoteException e) { 1781 Slog.i(TAG, "Observer no longer exists."); 1782 } 1783 } 1784 } 1785 1786 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1787 PackageParser.Package pkg) { 1788 if (pkg.parentPackage == null) { 1789 return; 1790 } 1791 if (pkg.requestedPermissions == null) { 1792 return; 1793 } 1794 final PackageSetting disabledSysParentPs = mSettings 1795 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1796 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1797 || !disabledSysParentPs.isPrivileged() 1798 || (disabledSysParentPs.childPackageNames != null 1799 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1800 return; 1801 } 1802 final int[] allUserIds = sUserManager.getUserIds(); 1803 final int permCount = pkg.requestedPermissions.size(); 1804 for (int i = 0; i < permCount; i++) { 1805 String permission = pkg.requestedPermissions.get(i); 1806 BasePermission bp = mSettings.mPermissions.get(permission); 1807 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1808 continue; 1809 } 1810 for (int userId : allUserIds) { 1811 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1812 permission, userId)) { 1813 grantRuntimePermission(pkg.packageName, permission, userId); 1814 } 1815 } 1816 } 1817 } 1818 1819 private StorageEventListener mStorageListener = new StorageEventListener() { 1820 @Override 1821 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1822 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1823 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1824 final String volumeUuid = vol.getFsUuid(); 1825 1826 // Clean up any users or apps that were removed or recreated 1827 // while this volume was missing 1828 reconcileUsers(volumeUuid); 1829 reconcileApps(volumeUuid); 1830 1831 // Clean up any install sessions that expired or were 1832 // cancelled while this volume was missing 1833 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1834 1835 loadPrivatePackages(vol); 1836 1837 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1838 unloadPrivatePackages(vol); 1839 } 1840 } 1841 1842 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1843 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1844 updateExternalMediaStatus(true, false); 1845 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1846 updateExternalMediaStatus(false, false); 1847 } 1848 } 1849 } 1850 1851 @Override 1852 public void onVolumeForgotten(String fsUuid) { 1853 if (TextUtils.isEmpty(fsUuid)) { 1854 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1855 return; 1856 } 1857 1858 // Remove any apps installed on the forgotten volume 1859 synchronized (mPackages) { 1860 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1861 for (PackageSetting ps : packages) { 1862 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1863 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1864 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1865 } 1866 1867 mSettings.onVolumeForgotten(fsUuid); 1868 mSettings.writeLPr(); 1869 } 1870 } 1871 }; 1872 1873 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1874 String[] grantedPermissions) { 1875 for (int userId : userIds) { 1876 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1877 } 1878 1879 // We could have touched GID membership, so flush out packages.list 1880 synchronized (mPackages) { 1881 mSettings.writePackageListLPr(); 1882 } 1883 } 1884 1885 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1886 String[] grantedPermissions) { 1887 SettingBase sb = (SettingBase) pkg.mExtras; 1888 if (sb == null) { 1889 return; 1890 } 1891 1892 PermissionsState permissionsState = sb.getPermissionsState(); 1893 1894 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1895 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1896 1897 synchronized (mPackages) { 1898 for (String permission : pkg.requestedPermissions) { 1899 BasePermission bp = mSettings.mPermissions.get(permission); 1900 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1901 && (grantedPermissions == null 1902 || ArrayUtils.contains(grantedPermissions, permission))) { 1903 final int flags = permissionsState.getPermissionFlags(permission, userId); 1904 // Installer cannot change immutable permissions. 1905 if ((flags & immutableFlags) == 0) { 1906 grantRuntimePermission(pkg.packageName, permission, userId); 1907 } 1908 } 1909 } 1910 } 1911 } 1912 1913 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1914 Bundle extras = null; 1915 switch (res.returnCode) { 1916 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1917 extras = new Bundle(); 1918 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1919 res.origPermission); 1920 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1921 res.origPackage); 1922 break; 1923 } 1924 case PackageManager.INSTALL_SUCCEEDED: { 1925 extras = new Bundle(); 1926 extras.putBoolean(Intent.EXTRA_REPLACING, 1927 res.removedInfo != null && res.removedInfo.removedPackage != null); 1928 break; 1929 } 1930 } 1931 return extras; 1932 } 1933 1934 void scheduleWriteSettingsLocked() { 1935 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1936 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1937 } 1938 } 1939 1940 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1941 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1942 scheduleWritePackageRestrictionsLocked(userId); 1943 } 1944 1945 void scheduleWritePackageRestrictionsLocked(int userId) { 1946 final int[] userIds = (userId == UserHandle.USER_ALL) 1947 ? sUserManager.getUserIds() : new int[]{userId}; 1948 for (int nextUserId : userIds) { 1949 if (!sUserManager.exists(nextUserId)) return; 1950 mDirtyUsers.add(nextUserId); 1951 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1952 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1953 } 1954 } 1955 } 1956 1957 public static PackageManagerService main(Context context, Installer installer, 1958 boolean factoryTest, boolean onlyCore) { 1959 PackageManagerService m = new PackageManagerService(context, installer, 1960 factoryTest, onlyCore); 1961 m.enableSystemUserPackages(); 1962 ServiceManager.addService("package", m); 1963 return m; 1964 } 1965 1966 private void enableSystemUserPackages() { 1967 if (!UserManager.isSplitSystemUser()) { 1968 return; 1969 } 1970 // For system user, enable apps based on the following conditions: 1971 // - app is whitelisted or belong to one of these groups: 1972 // -- system app which has no launcher icons 1973 // -- system app which has INTERACT_ACROSS_USERS permission 1974 // -- system IME app 1975 // - app is not in the blacklist 1976 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1977 Set<String> enableApps = new ArraySet<>(); 1978 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1979 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1980 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1981 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1982 enableApps.addAll(wlApps); 1983 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1984 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1985 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1986 enableApps.removeAll(blApps); 1987 Log.i(TAG, "Applications installed for system user: " + enableApps); 1988 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1989 UserHandle.SYSTEM); 1990 final int allAppsSize = allAps.size(); 1991 synchronized (mPackages) { 1992 for (int i = 0; i < allAppsSize; i++) { 1993 String pName = allAps.get(i); 1994 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1995 // Should not happen, but we shouldn't be failing if it does 1996 if (pkgSetting == null) { 1997 continue; 1998 } 1999 boolean install = enableApps.contains(pName); 2000 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2001 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2002 + " for system user"); 2003 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2004 } 2005 } 2006 } 2007 } 2008 2009 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2010 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2011 Context.DISPLAY_SERVICE); 2012 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2013 } 2014 2015 public PackageManagerService(Context context, Installer installer, 2016 boolean factoryTest, boolean onlyCore) { 2017 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2018 SystemClock.uptimeMillis()); 2019 2020 if (mSdkVersion <= 0) { 2021 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2022 } 2023 2024 mContext = context; 2025 mFactoryTest = factoryTest; 2026 mOnlyCore = onlyCore; 2027 mMetrics = new DisplayMetrics(); 2028 mSettings = new Settings(mPackages); 2029 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2030 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2031 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2032 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2033 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2034 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2035 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2036 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2037 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2038 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2039 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2040 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2041 2042 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2043 if (separateProcesses != null && separateProcesses.length() > 0) { 2044 if ("*".equals(separateProcesses)) { 2045 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2046 mSeparateProcesses = null; 2047 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2048 } else { 2049 mDefParseFlags = 0; 2050 mSeparateProcesses = separateProcesses.split(","); 2051 Slog.w(TAG, "Running with debug.separate_processes: " 2052 + separateProcesses); 2053 } 2054 } else { 2055 mDefParseFlags = 0; 2056 mSeparateProcesses = null; 2057 } 2058 2059 mInstaller = installer; 2060 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2061 "*dexopt*"); 2062 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2063 2064 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2065 FgThread.get().getLooper()); 2066 2067 getDefaultDisplayMetrics(context, mMetrics); 2068 2069 SystemConfig systemConfig = SystemConfig.getInstance(); 2070 mGlobalGids = systemConfig.getGlobalGids(); 2071 mSystemPermissions = systemConfig.getSystemPermissions(); 2072 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2073 2074 synchronized (mInstallLock) { 2075 // writer 2076 synchronized (mPackages) { 2077 mHandlerThread = new ServiceThread(TAG, 2078 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2079 mHandlerThread.start(); 2080 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2081 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2082 2083 File dataDir = Environment.getDataDirectory(); 2084 mAppInstallDir = new File(dataDir, "app"); 2085 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2086 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2087 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2088 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2089 2090 sUserManager = new UserManagerService(context, this, mPackages); 2091 2092 // Propagate permission configuration in to package manager. 2093 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2094 = systemConfig.getPermissions(); 2095 for (int i=0; i<permConfig.size(); i++) { 2096 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2097 BasePermission bp = mSettings.mPermissions.get(perm.name); 2098 if (bp == null) { 2099 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2100 mSettings.mPermissions.put(perm.name, bp); 2101 } 2102 if (perm.gids != null) { 2103 bp.setGids(perm.gids, perm.perUser); 2104 } 2105 } 2106 2107 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2108 for (int i=0; i<libConfig.size(); i++) { 2109 mSharedLibraries.put(libConfig.keyAt(i), 2110 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2111 } 2112 2113 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2114 2115 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2116 2117 String customResolverActivity = Resources.getSystem().getString( 2118 R.string.config_customResolverActivity); 2119 if (TextUtils.isEmpty(customResolverActivity)) { 2120 customResolverActivity = null; 2121 } else { 2122 mCustomResolverComponentName = ComponentName.unflattenFromString( 2123 customResolverActivity); 2124 } 2125 2126 long startTime = SystemClock.uptimeMillis(); 2127 2128 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2129 startTime); 2130 2131 // Set flag to monitor and not change apk file paths when 2132 // scanning install directories. 2133 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2134 2135 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2136 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2137 2138 if (bootClassPath == null) { 2139 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2140 } 2141 2142 if (systemServerClassPath == null) { 2143 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2144 } 2145 2146 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2147 final String[] dexCodeInstructionSets = 2148 getDexCodeInstructionSets( 2149 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2150 2151 /** 2152 * Ensure all external libraries have had dexopt run on them. 2153 */ 2154 if (mSharedLibraries.size() > 0) { 2155 // NOTE: For now, we're compiling these system "shared libraries" 2156 // (and framework jars) into all available architectures. It's possible 2157 // to compile them only when we come across an app that uses them (there's 2158 // already logic for that in scanPackageLI) but that adds some complexity. 2159 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2160 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2161 final String lib = libEntry.path; 2162 if (lib == null) { 2163 continue; 2164 } 2165 2166 try { 2167 // Shared libraries do not have profiles so we perform a full 2168 // AOT compilation (if needed). 2169 int dexoptNeeded = DexFile.getDexOptNeeded( 2170 lib, dexCodeInstructionSet, 2171 DexFile.COMPILATION_TYPE_FULL); 2172 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2173 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2174 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2175 StorageManager.UUID_PRIVATE_INTERNAL, 2176 false /*useProfiles*/); 2177 } 2178 } catch (FileNotFoundException e) { 2179 Slog.w(TAG, "Library not found: " + lib); 2180 } catch (IOException | InstallerException e) { 2181 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2182 + e.getMessage()); 2183 } 2184 } 2185 } 2186 } 2187 2188 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2189 2190 final VersionInfo ver = mSettings.getInternalVersion(); 2191 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2192 // when upgrading from pre-M, promote system app permissions from install to runtime 2193 mPromoteSystemApps = 2194 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2195 2196 // save off the names of pre-existing system packages prior to scanning; we don't 2197 // want to automatically grant runtime permissions for new system apps 2198 if (mPromoteSystemApps) { 2199 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2200 while (pkgSettingIter.hasNext()) { 2201 PackageSetting ps = pkgSettingIter.next(); 2202 if (isSystemApp(ps)) { 2203 mExistingSystemPackages.add(ps.name); 2204 } 2205 } 2206 } 2207 2208 // Collect vendor overlay packages. 2209 // (Do this before scanning any apps.) 2210 // For security and version matching reason, only consider 2211 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2212 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2213 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2214 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2215 2216 // Find base frameworks (resource packages without code). 2217 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2218 | PackageParser.PARSE_IS_SYSTEM_DIR 2219 | PackageParser.PARSE_IS_PRIVILEGED, 2220 scanFlags | SCAN_NO_DEX, 0); 2221 2222 // Collected privileged system packages. 2223 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2224 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2225 | PackageParser.PARSE_IS_SYSTEM_DIR 2226 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2227 2228 // Collect ordinary system packages. 2229 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2230 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2231 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2232 2233 // Collect all vendor packages. 2234 File vendorAppDir = new File("/vendor/app"); 2235 try { 2236 vendorAppDir = vendorAppDir.getCanonicalFile(); 2237 } catch (IOException e) { 2238 // failed to look up canonical path, continue with original one 2239 } 2240 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2241 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2242 2243 // Collect all OEM packages. 2244 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2245 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2246 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2247 2248 // Prune any system packages that no longer exist. 2249 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2250 if (!mOnlyCore) { 2251 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2252 while (psit.hasNext()) { 2253 PackageSetting ps = psit.next(); 2254 2255 /* 2256 * If this is not a system app, it can't be a 2257 * disable system app. 2258 */ 2259 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2260 continue; 2261 } 2262 2263 /* 2264 * If the package is scanned, it's not erased. 2265 */ 2266 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2267 if (scannedPkg != null) { 2268 /* 2269 * If the system app is both scanned and in the 2270 * disabled packages list, then it must have been 2271 * added via OTA. Remove it from the currently 2272 * scanned package so the previously user-installed 2273 * application can be scanned. 2274 */ 2275 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2276 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2277 + ps.name + "; removing system app. Last known codePath=" 2278 + ps.codePathString + ", installStatus=" + ps.installStatus 2279 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2280 + scannedPkg.mVersionCode); 2281 removePackageLI(scannedPkg, true); 2282 mExpectingBetter.put(ps.name, ps.codePath); 2283 } 2284 2285 continue; 2286 } 2287 2288 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2289 psit.remove(); 2290 logCriticalInfo(Log.WARN, "System package " + ps.name 2291 + " no longer exists; wiping its data"); 2292 removeDataDirsLI(null, ps.name); 2293 } else { 2294 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2295 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2296 possiblyDeletedUpdatedSystemApps.add(ps.name); 2297 } 2298 } 2299 } 2300 } 2301 2302 //look for any incomplete package installations 2303 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2304 //clean up list 2305 for(int i = 0; i < deletePkgsList.size(); i++) { 2306 //clean up here 2307 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2308 } 2309 //delete tmp files 2310 deleteTempPackageFiles(); 2311 2312 // Remove any shared userIDs that have no associated packages 2313 mSettings.pruneSharedUsersLPw(); 2314 2315 if (!mOnlyCore) { 2316 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2317 SystemClock.uptimeMillis()); 2318 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2319 2320 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2321 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2322 2323 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2324 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2325 2326 /** 2327 * Remove disable package settings for any updated system 2328 * apps that were removed via an OTA. If they're not a 2329 * previously-updated app, remove them completely. 2330 * Otherwise, just revoke their system-level permissions. 2331 */ 2332 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2333 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2334 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2335 2336 String msg; 2337 if (deletedPkg == null) { 2338 msg = "Updated system package " + deletedAppName 2339 + " no longer exists; wiping its data"; 2340 removeDataDirsLI(null, deletedAppName); 2341 } else { 2342 msg = "Updated system app + " + deletedAppName 2343 + " no longer present; removing system privileges for " 2344 + deletedAppName; 2345 2346 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2347 2348 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2349 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2350 } 2351 logCriticalInfo(Log.WARN, msg); 2352 } 2353 2354 /** 2355 * Make sure all system apps that we expected to appear on 2356 * the userdata partition actually showed up. If they never 2357 * appeared, crawl back and revive the system version. 2358 */ 2359 for (int i = 0; i < mExpectingBetter.size(); i++) { 2360 final String packageName = mExpectingBetter.keyAt(i); 2361 if (!mPackages.containsKey(packageName)) { 2362 final File scanFile = mExpectingBetter.valueAt(i); 2363 2364 logCriticalInfo(Log.WARN, "Expected better " + packageName 2365 + " but never showed up; reverting to system"); 2366 2367 final int reparseFlags; 2368 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2369 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2370 | PackageParser.PARSE_IS_SYSTEM_DIR 2371 | PackageParser.PARSE_IS_PRIVILEGED; 2372 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2373 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2374 | PackageParser.PARSE_IS_SYSTEM_DIR; 2375 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2376 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2377 | PackageParser.PARSE_IS_SYSTEM_DIR; 2378 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2379 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2380 | PackageParser.PARSE_IS_SYSTEM_DIR; 2381 } else { 2382 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2383 continue; 2384 } 2385 2386 mSettings.enableSystemPackageLPw(packageName); 2387 2388 try { 2389 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2390 } catch (PackageManagerException e) { 2391 Slog.e(TAG, "Failed to parse original system package: " 2392 + e.getMessage()); 2393 } 2394 } 2395 } 2396 } 2397 mExpectingBetter.clear(); 2398 2399 // Now that we know all of the shared libraries, update all clients to have 2400 // the correct library paths. 2401 updateAllSharedLibrariesLPw(); 2402 2403 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2404 // NOTE: We ignore potential failures here during a system scan (like 2405 // the rest of the commands above) because there's precious little we 2406 // can do about it. A settings error is reported, though. 2407 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2408 false /* boot complete */); 2409 } 2410 2411 // Now that we know all the packages we are keeping, 2412 // read and update their last usage times. 2413 mPackageUsage.readLP(); 2414 2415 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2416 SystemClock.uptimeMillis()); 2417 Slog.i(TAG, "Time to scan packages: " 2418 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2419 + " seconds"); 2420 2421 // If the platform SDK has changed since the last time we booted, 2422 // we need to re-grant app permission to catch any new ones that 2423 // appear. This is really a hack, and means that apps can in some 2424 // cases get permissions that the user didn't initially explicitly 2425 // allow... it would be nice to have some better way to handle 2426 // this situation. 2427 int updateFlags = UPDATE_PERMISSIONS_ALL; 2428 if (ver.sdkVersion != mSdkVersion) { 2429 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2430 + mSdkVersion + "; regranting permissions for internal storage"); 2431 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2432 } 2433 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2434 ver.sdkVersion = mSdkVersion; 2435 2436 // If this is the first boot or an update from pre-M, and it is a normal 2437 // boot, then we need to initialize the default preferred apps across 2438 // all defined users. 2439 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2440 for (UserInfo user : sUserManager.getUsers(true)) { 2441 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2442 applyFactoryDefaultBrowserLPw(user.id); 2443 primeDomainVerificationsLPw(user.id); 2444 } 2445 } 2446 2447 // Prepare storage for system user really early during boot, 2448 // since core system apps like SettingsProvider and SystemUI 2449 // can't wait for user to start 2450 final int storageFlags; 2451 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2452 storageFlags = StorageManager.FLAG_STORAGE_DE; 2453 } else { 2454 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2455 } 2456 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2457 storageFlags); 2458 2459 // If this is first boot after an OTA, and a normal boot, then 2460 // we need to clear code cache directories. 2461 if (mIsUpgrade && !onlyCore) { 2462 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2463 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2464 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2465 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2466 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2467 } 2468 } 2469 ver.fingerprint = Build.FINGERPRINT; 2470 } 2471 2472 checkDefaultBrowser(); 2473 2474 // clear only after permissions and other defaults have been updated 2475 mExistingSystemPackages.clear(); 2476 mPromoteSystemApps = false; 2477 2478 // All the changes are done during package scanning. 2479 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2480 2481 // can downgrade to reader 2482 mSettings.writeLPr(); 2483 2484 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2485 SystemClock.uptimeMillis()); 2486 2487 if (!mOnlyCore) { 2488 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2489 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2490 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2491 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2492 mIntentFilterVerifierComponent); 2493 } else { 2494 mRequiredVerifierPackage = null; 2495 mRequiredInstallerPackage = null; 2496 mIntentFilterVerifierComponent = null; 2497 mIntentFilterVerifier = null; 2498 } 2499 2500 mInstallerService = new PackageInstallerService(context, this); 2501 2502 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2503 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2504 // both the installer and resolver must be present to enable ephemeral 2505 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2506 if (DEBUG_EPHEMERAL) { 2507 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2508 + " installer:" + ephemeralInstallerComponent); 2509 } 2510 mEphemeralResolverComponent = ephemeralResolverComponent; 2511 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2512 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2513 mEphemeralResolverConnection = 2514 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2515 } else { 2516 if (DEBUG_EPHEMERAL) { 2517 final String missingComponent = 2518 (ephemeralResolverComponent == null) 2519 ? (ephemeralInstallerComponent == null) 2520 ? "resolver and installer" 2521 : "resolver" 2522 : "installer"; 2523 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2524 } 2525 mEphemeralResolverComponent = null; 2526 mEphemeralInstallerComponent = null; 2527 mEphemeralResolverConnection = null; 2528 } 2529 2530 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2531 } // synchronized (mPackages) 2532 } // synchronized (mInstallLock) 2533 2534 // Now after opening every single application zip, make sure they 2535 // are all flushed. Not really needed, but keeps things nice and 2536 // tidy. 2537 Runtime.getRuntime().gc(); 2538 2539 // The initial scanning above does many calls into installd while 2540 // holding the mPackages lock, but we're mostly interested in yelling 2541 // once we have a booted system. 2542 mInstaller.setWarnIfHeld(mPackages); 2543 2544 // Expose private service for system components to use. 2545 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2546 } 2547 2548 @Override 2549 public boolean isFirstBoot() { 2550 return !mRestoredSettings; 2551 } 2552 2553 @Override 2554 public boolean isOnlyCoreApps() { 2555 return mOnlyCore; 2556 } 2557 2558 @Override 2559 public boolean isUpgrade() { 2560 return mIsUpgrade; 2561 } 2562 2563 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2564 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2565 2566 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2567 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2568 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 = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2583 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2584 UserHandle.USER_SYSTEM); 2585 if (matches.size() == 1) { 2586 return matches.get(0).getComponentInfo().packageName; 2587 } else { 2588 throw new RuntimeException("There must be exactly one installer; found " + matches); 2589 } 2590 } 2591 2592 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2593 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2594 2595 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2596 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2597 UserHandle.USER_SYSTEM); 2598 ResolveInfo best = null; 2599 final int N = matches.size(); 2600 for (int i = 0; i < N; i++) { 2601 final ResolveInfo cur = matches.get(i); 2602 final String packageName = cur.getComponentInfo().packageName; 2603 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2604 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2605 continue; 2606 } 2607 2608 if (best == null || cur.priority > best.priority) { 2609 best = cur; 2610 } 2611 } 2612 2613 if (best != null) { 2614 return best.getComponentInfo().getComponentName(); 2615 } else { 2616 throw new RuntimeException("There must be at least one intent filter verifier"); 2617 } 2618 } 2619 2620 private @Nullable ComponentName getEphemeralResolverLPr() { 2621 final String[] packageArray = 2622 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2623 if (packageArray.length == 0) { 2624 if (DEBUG_EPHEMERAL) { 2625 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2626 } 2627 return null; 2628 } 2629 2630 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2631 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2632 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2633 UserHandle.USER_SYSTEM); 2634 2635 final int N = resolvers.size(); 2636 if (N == 0) { 2637 if (DEBUG_EPHEMERAL) { 2638 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2639 } 2640 return null; 2641 } 2642 2643 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2644 for (int i = 0; i < N; i++) { 2645 final ResolveInfo info = resolvers.get(i); 2646 2647 if (info.serviceInfo == null) { 2648 continue; 2649 } 2650 2651 final String packageName = info.serviceInfo.packageName; 2652 if (!possiblePackages.contains(packageName)) { 2653 if (DEBUG_EPHEMERAL) { 2654 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2655 + " pkg: " + packageName + ", info:" + info); 2656 } 2657 continue; 2658 } 2659 2660 if (DEBUG_EPHEMERAL) { 2661 Slog.v(TAG, "Ephemeral resolver found;" 2662 + " pkg: " + packageName + ", info:" + info); 2663 } 2664 return new ComponentName(packageName, info.serviceInfo.name); 2665 } 2666 if (DEBUG_EPHEMERAL) { 2667 Slog.v(TAG, "Ephemeral resolver NOT found"); 2668 } 2669 return null; 2670 } 2671 2672 private @Nullable ComponentName getEphemeralInstallerLPr() { 2673 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2674 intent.addCategory(Intent.CATEGORY_DEFAULT); 2675 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2676 2677 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2678 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2679 UserHandle.USER_SYSTEM); 2680 if (matches.size() == 0) { 2681 return null; 2682 } else if (matches.size() == 1) { 2683 return matches.get(0).getComponentInfo().getComponentName(); 2684 } else { 2685 throw new RuntimeException( 2686 "There must be at most one ephemeral installer; found " + matches); 2687 } 2688 } 2689 2690 private void primeDomainVerificationsLPw(int userId) { 2691 if (DEBUG_DOMAIN_VERIFICATION) { 2692 Slog.d(TAG, "Priming domain verifications in user " + userId); 2693 } 2694 2695 SystemConfig systemConfig = SystemConfig.getInstance(); 2696 ArraySet<String> packages = systemConfig.getLinkedApps(); 2697 ArraySet<String> domains = new ArraySet<String>(); 2698 2699 for (String packageName : packages) { 2700 PackageParser.Package pkg = mPackages.get(packageName); 2701 if (pkg != null) { 2702 if (!pkg.isSystemApp()) { 2703 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2704 continue; 2705 } 2706 2707 domains.clear(); 2708 for (PackageParser.Activity a : pkg.activities) { 2709 for (ActivityIntentInfo filter : a.intents) { 2710 if (hasValidDomains(filter)) { 2711 domains.addAll(filter.getHostsList()); 2712 } 2713 } 2714 } 2715 2716 if (domains.size() > 0) { 2717 if (DEBUG_DOMAIN_VERIFICATION) { 2718 Slog.v(TAG, " + " + packageName); 2719 } 2720 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2721 // state w.r.t. the formal app-linkage "no verification attempted" state; 2722 // and then 'always' in the per-user state actually used for intent resolution. 2723 final IntentFilterVerificationInfo ivi; 2724 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2725 new ArrayList<String>(domains)); 2726 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2727 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2728 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2729 } else { 2730 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2731 + "' does not handle web links"); 2732 } 2733 } else { 2734 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2735 } 2736 } 2737 2738 scheduleWritePackageRestrictionsLocked(userId); 2739 scheduleWriteSettingsLocked(); 2740 } 2741 2742 private void applyFactoryDefaultBrowserLPw(int userId) { 2743 // The default browser app's package name is stored in a string resource, 2744 // with a product-specific overlay used for vendor customization. 2745 String browserPkg = mContext.getResources().getString( 2746 com.android.internal.R.string.default_browser); 2747 if (!TextUtils.isEmpty(browserPkg)) { 2748 // non-empty string => required to be a known package 2749 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2750 if (ps == null) { 2751 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2752 browserPkg = null; 2753 } else { 2754 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2755 } 2756 } 2757 2758 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2759 // default. If there's more than one, just leave everything alone. 2760 if (browserPkg == null) { 2761 calculateDefaultBrowserLPw(userId); 2762 } 2763 } 2764 2765 private void calculateDefaultBrowserLPw(int userId) { 2766 List<String> allBrowsers = resolveAllBrowserApps(userId); 2767 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2768 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2769 } 2770 2771 private List<String> resolveAllBrowserApps(int userId) { 2772 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2773 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2774 PackageManager.MATCH_ALL, userId); 2775 2776 final int count = list.size(); 2777 List<String> result = new ArrayList<String>(count); 2778 for (int i=0; i<count; i++) { 2779 ResolveInfo info = list.get(i); 2780 if (info.activityInfo == null 2781 || !info.handleAllWebDataURI 2782 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2783 || result.contains(info.activityInfo.packageName)) { 2784 continue; 2785 } 2786 result.add(info.activityInfo.packageName); 2787 } 2788 2789 return result; 2790 } 2791 2792 private boolean packageIsBrowser(String packageName, int userId) { 2793 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2794 PackageManager.MATCH_ALL, userId); 2795 final int N = list.size(); 2796 for (int i = 0; i < N; i++) { 2797 ResolveInfo info = list.get(i); 2798 if (packageName.equals(info.activityInfo.packageName)) { 2799 return true; 2800 } 2801 } 2802 return false; 2803 } 2804 2805 private void checkDefaultBrowser() { 2806 final int myUserId = UserHandle.myUserId(); 2807 final String packageName = getDefaultBrowserPackageName(myUserId); 2808 if (packageName != null) { 2809 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2810 if (info == null) { 2811 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2812 synchronized (mPackages) { 2813 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2814 } 2815 } 2816 } 2817 } 2818 2819 @Override 2820 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2821 throws RemoteException { 2822 try { 2823 return super.onTransact(code, data, reply, flags); 2824 } catch (RuntimeException e) { 2825 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2826 Slog.wtf(TAG, "Package Manager Crash", e); 2827 } 2828 throw e; 2829 } 2830 } 2831 2832 void cleanupInstallFailedPackage(PackageSetting ps) { 2833 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2834 2835 removeDataDirsLI(ps.volumeUuid, ps.name); 2836 if (ps.codePath != null) { 2837 removeCodePathLI(ps.codePath); 2838 } 2839 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2840 if (ps.resourcePath.isDirectory()) { 2841 FileUtils.deleteContents(ps.resourcePath); 2842 } 2843 ps.resourcePath.delete(); 2844 } 2845 mSettings.removePackageLPw(ps.name); 2846 } 2847 2848 static int[] appendInts(int[] cur, int[] add) { 2849 if (add == null) return cur; 2850 if (cur == null) return add; 2851 final int N = add.length; 2852 for (int i=0; i<N; i++) { 2853 cur = appendInt(cur, add[i]); 2854 } 2855 return cur; 2856 } 2857 2858 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2859 if (!sUserManager.exists(userId)) return null; 2860 final PackageSetting ps = (PackageSetting) p.mExtras; 2861 if (ps == null) { 2862 return null; 2863 } 2864 2865 final PermissionsState permissionsState = ps.getPermissionsState(); 2866 2867 final int[] gids = permissionsState.computeGids(userId); 2868 final Set<String> permissions = permissionsState.getPermissions(userId); 2869 final PackageUserState state = ps.readUserState(userId); 2870 2871 return PackageParser.generatePackageInfo(p, gids, flags, 2872 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2873 } 2874 2875 @Override 2876 public void checkPackageStartable(String packageName, int userId) { 2877 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2878 2879 synchronized (mPackages) { 2880 final PackageSetting ps = mSettings.mPackages.get(packageName); 2881 if (ps == null) { 2882 throw new SecurityException("Package " + packageName + " was not found!"); 2883 } 2884 2885 if (mSafeMode && !ps.isSystem()) { 2886 throw new SecurityException("Package " + packageName + " not a system app!"); 2887 } 2888 2889 if (ps.frozen) { 2890 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2891 } 2892 2893 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 2894 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 2895 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2896 } 2897 } 2898 } 2899 2900 @Override 2901 public boolean isPackageAvailable(String packageName, int userId) { 2902 if (!sUserManager.exists(userId)) return false; 2903 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2904 false /* requireFullPermission */, false /* checkShell */, "is package available"); 2905 synchronized (mPackages) { 2906 PackageParser.Package p = mPackages.get(packageName); 2907 if (p != null) { 2908 final PackageSetting ps = (PackageSetting) p.mExtras; 2909 if (ps != null) { 2910 final PackageUserState state = ps.readUserState(userId); 2911 if (state != null) { 2912 return PackageParser.isAvailable(state); 2913 } 2914 } 2915 } 2916 } 2917 return false; 2918 } 2919 2920 @Override 2921 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2922 if (!sUserManager.exists(userId)) return null; 2923 flags = updateFlagsForPackage(flags, userId, packageName); 2924 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2925 false /* requireFullPermission */, false /* checkShell */, "get package info"); 2926 // reader 2927 synchronized (mPackages) { 2928 PackageParser.Package p = mPackages.get(packageName); 2929 if (DEBUG_PACKAGE_INFO) 2930 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2931 if (p != null) { 2932 return generatePackageInfo(p, flags, userId); 2933 } 2934 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2935 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2936 } 2937 } 2938 return null; 2939 } 2940 2941 @Override 2942 public String[] currentToCanonicalPackageNames(String[] names) { 2943 String[] out = new String[names.length]; 2944 // reader 2945 synchronized (mPackages) { 2946 for (int i=names.length-1; i>=0; i--) { 2947 PackageSetting ps = mSettings.mPackages.get(names[i]); 2948 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2949 } 2950 } 2951 return out; 2952 } 2953 2954 @Override 2955 public String[] canonicalToCurrentPackageNames(String[] names) { 2956 String[] out = new String[names.length]; 2957 // reader 2958 synchronized (mPackages) { 2959 for (int i=names.length-1; i>=0; i--) { 2960 String cur = mSettings.mRenamedPackages.get(names[i]); 2961 out[i] = cur != null ? cur : names[i]; 2962 } 2963 } 2964 return out; 2965 } 2966 2967 @Override 2968 public int getPackageUid(String packageName, int flags, int userId) { 2969 if (!sUserManager.exists(userId)) return -1; 2970 flags = updateFlagsForPackage(flags, userId, packageName); 2971 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2972 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 2973 2974 // reader 2975 synchronized (mPackages) { 2976 final PackageParser.Package p = mPackages.get(packageName); 2977 if (p != null && p.isMatch(flags)) { 2978 return UserHandle.getUid(userId, p.applicationInfo.uid); 2979 } 2980 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2981 final PackageSetting ps = mSettings.mPackages.get(packageName); 2982 if (ps != null && ps.isMatch(flags)) { 2983 return UserHandle.getUid(userId, ps.appId); 2984 } 2985 } 2986 } 2987 2988 return -1; 2989 } 2990 2991 @Override 2992 public int[] getPackageGids(String packageName, int flags, int userId) { 2993 if (!sUserManager.exists(userId)) return null; 2994 flags = updateFlagsForPackage(flags, userId, packageName); 2995 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2996 false /* requireFullPermission */, false /* checkShell */, 2997 "getPackageGids"); 2998 2999 // reader 3000 synchronized (mPackages) { 3001 final PackageParser.Package p = mPackages.get(packageName); 3002 if (p != null && p.isMatch(flags)) { 3003 PackageSetting ps = (PackageSetting) p.mExtras; 3004 return ps.getPermissionsState().computeGids(userId); 3005 } 3006 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3007 final PackageSetting ps = mSettings.mPackages.get(packageName); 3008 if (ps != null && ps.isMatch(flags)) { 3009 return ps.getPermissionsState().computeGids(userId); 3010 } 3011 } 3012 } 3013 3014 return null; 3015 } 3016 3017 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3018 if (bp.perm != null) { 3019 return PackageParser.generatePermissionInfo(bp.perm, flags); 3020 } 3021 PermissionInfo pi = new PermissionInfo(); 3022 pi.name = bp.name; 3023 pi.packageName = bp.sourcePackage; 3024 pi.nonLocalizedLabel = bp.name; 3025 pi.protectionLevel = bp.protectionLevel; 3026 return pi; 3027 } 3028 3029 @Override 3030 public PermissionInfo getPermissionInfo(String name, int flags) { 3031 // reader 3032 synchronized (mPackages) { 3033 final BasePermission p = mSettings.mPermissions.get(name); 3034 if (p != null) { 3035 return generatePermissionInfo(p, flags); 3036 } 3037 return null; 3038 } 3039 } 3040 3041 @Override 3042 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3043 int flags) { 3044 // reader 3045 synchronized (mPackages) { 3046 if (group != null && !mPermissionGroups.containsKey(group)) { 3047 // This is thrown as NameNotFoundException 3048 return null; 3049 } 3050 3051 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3052 for (BasePermission p : mSettings.mPermissions.values()) { 3053 if (group == null) { 3054 if (p.perm == null || p.perm.info.group == null) { 3055 out.add(generatePermissionInfo(p, flags)); 3056 } 3057 } else { 3058 if (p.perm != null && group.equals(p.perm.info.group)) { 3059 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3060 } 3061 } 3062 } 3063 return new ParceledListSlice<>(out); 3064 } 3065 } 3066 3067 @Override 3068 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3069 // reader 3070 synchronized (mPackages) { 3071 return PackageParser.generatePermissionGroupInfo( 3072 mPermissionGroups.get(name), flags); 3073 } 3074 } 3075 3076 @Override 3077 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3078 // reader 3079 synchronized (mPackages) { 3080 final int N = mPermissionGroups.size(); 3081 ArrayList<PermissionGroupInfo> out 3082 = new ArrayList<PermissionGroupInfo>(N); 3083 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3084 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3085 } 3086 return new ParceledListSlice<>(out); 3087 } 3088 } 3089 3090 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3091 int userId) { 3092 if (!sUserManager.exists(userId)) return null; 3093 PackageSetting ps = mSettings.mPackages.get(packageName); 3094 if (ps != null) { 3095 if (ps.pkg == null) { 3096 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3097 flags, userId); 3098 if (pInfo != null) { 3099 return pInfo.applicationInfo; 3100 } 3101 return null; 3102 } 3103 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3104 ps.readUserState(userId), userId); 3105 } 3106 return null; 3107 } 3108 3109 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3110 int userId) { 3111 if (!sUserManager.exists(userId)) return null; 3112 PackageSetting ps = mSettings.mPackages.get(packageName); 3113 if (ps != null) { 3114 PackageParser.Package pkg = ps.pkg; 3115 if (pkg == null) { 3116 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 3117 return null; 3118 } 3119 // Only data remains, so we aren't worried about code paths 3120 pkg = new PackageParser.Package(packageName); 3121 pkg.applicationInfo.packageName = packageName; 3122 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3123 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3124 pkg.applicationInfo.uid = ps.appId; 3125 pkg.applicationInfo.initForUser(userId); 3126 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3127 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3128 } 3129 return generatePackageInfo(pkg, flags, userId); 3130 } 3131 return null; 3132 } 3133 3134 @Override 3135 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3136 if (!sUserManager.exists(userId)) return null; 3137 flags = updateFlagsForApplication(flags, userId, packageName); 3138 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3139 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3140 // writer 3141 synchronized (mPackages) { 3142 PackageParser.Package p = mPackages.get(packageName); 3143 if (DEBUG_PACKAGE_INFO) Log.v( 3144 TAG, "getApplicationInfo " + packageName 3145 + ": " + p); 3146 if (p != null) { 3147 PackageSetting ps = mSettings.mPackages.get(packageName); 3148 if (ps == null) return null; 3149 // Note: isEnabledLP() does not apply here - always return info 3150 return PackageParser.generateApplicationInfo( 3151 p, flags, ps.readUserState(userId), userId); 3152 } 3153 if ("android".equals(packageName)||"system".equals(packageName)) { 3154 return mAndroidApplication; 3155 } 3156 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3157 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3158 } 3159 } 3160 return null; 3161 } 3162 3163 @Override 3164 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3165 final IPackageDataObserver observer) { 3166 mContext.enforceCallingOrSelfPermission( 3167 android.Manifest.permission.CLEAR_APP_CACHE, null); 3168 // Queue up an async operation since clearing cache may take a little while. 3169 mHandler.post(new Runnable() { 3170 public void run() { 3171 mHandler.removeCallbacks(this); 3172 boolean success = true; 3173 synchronized (mInstallLock) { 3174 try { 3175 mInstaller.freeCache(volumeUuid, freeStorageSize); 3176 } catch (InstallerException e) { 3177 Slog.w(TAG, "Couldn't clear application caches: " + e); 3178 success = false; 3179 } 3180 } 3181 if (observer != null) { 3182 try { 3183 observer.onRemoveCompleted(null, success); 3184 } catch (RemoteException e) { 3185 Slog.w(TAG, "RemoveException when invoking call back"); 3186 } 3187 } 3188 } 3189 }); 3190 } 3191 3192 @Override 3193 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3194 final IntentSender pi) { 3195 mContext.enforceCallingOrSelfPermission( 3196 android.Manifest.permission.CLEAR_APP_CACHE, null); 3197 // Queue up an async operation since clearing cache may take a little while. 3198 mHandler.post(new Runnable() { 3199 public void run() { 3200 mHandler.removeCallbacks(this); 3201 boolean success = true; 3202 synchronized (mInstallLock) { 3203 try { 3204 mInstaller.freeCache(volumeUuid, freeStorageSize); 3205 } catch (InstallerException e) { 3206 Slog.w(TAG, "Couldn't clear application caches: " + e); 3207 success = false; 3208 } 3209 } 3210 if(pi != null) { 3211 try { 3212 // Callback via pending intent 3213 int code = success ? 1 : 0; 3214 pi.sendIntent(null, code, null, 3215 null, null); 3216 } catch (SendIntentException e1) { 3217 Slog.i(TAG, "Failed to send pending intent"); 3218 } 3219 } 3220 } 3221 }); 3222 } 3223 3224 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3225 synchronized (mInstallLock) { 3226 try { 3227 mInstaller.freeCache(volumeUuid, freeStorageSize); 3228 } catch (InstallerException e) { 3229 throw new IOException("Failed to free enough space", e); 3230 } 3231 } 3232 } 3233 3234 /** 3235 * Return if the user key is currently unlocked. 3236 */ 3237 private boolean isUserKeyUnlocked(int userId) { 3238 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3239 final IMountService mount = IMountService.Stub 3240 .asInterface(ServiceManager.getService("mount")); 3241 if (mount == null) { 3242 Slog.w(TAG, "Early during boot, assuming locked"); 3243 return false; 3244 } 3245 final long token = Binder.clearCallingIdentity(); 3246 try { 3247 return mount.isUserKeyUnlocked(userId); 3248 } catch (RemoteException e) { 3249 throw e.rethrowAsRuntimeException(); 3250 } finally { 3251 Binder.restoreCallingIdentity(token); 3252 } 3253 } else { 3254 return true; 3255 } 3256 } 3257 3258 /** 3259 * Update given flags based on encryption status of current user. 3260 */ 3261 private int updateFlags(int flags, int userId) { 3262 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3263 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3264 // Caller expressed an explicit opinion about what encryption 3265 // aware/unaware components they want to see, so fall through and 3266 // give them what they want 3267 } else { 3268 // Caller expressed no opinion, so match based on user state 3269 if (isUserKeyUnlocked(userId)) { 3270 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3271 } else { 3272 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3273 } 3274 } 3275 return flags; 3276 } 3277 3278 /** 3279 * Update given flags when being used to request {@link PackageInfo}. 3280 */ 3281 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3282 boolean triaged = true; 3283 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3284 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3285 // Caller is asking for component details, so they'd better be 3286 // asking for specific encryption matching behavior, or be triaged 3287 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3288 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3289 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3290 triaged = false; 3291 } 3292 } 3293 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3294 | PackageManager.MATCH_SYSTEM_ONLY 3295 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3296 triaged = false; 3297 } 3298 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3299 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3300 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3301 } 3302 return updateFlags(flags, userId); 3303 } 3304 3305 /** 3306 * Update given flags when being used to request {@link ApplicationInfo}. 3307 */ 3308 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3309 return updateFlagsForPackage(flags, userId, cookie); 3310 } 3311 3312 /** 3313 * Update given flags when being used to request {@link ComponentInfo}. 3314 */ 3315 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3316 if (cookie instanceof Intent) { 3317 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3318 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3319 } 3320 } 3321 3322 boolean triaged = true; 3323 // Caller is asking for component details, so they'd better be 3324 // asking for specific encryption matching behavior, or be triaged 3325 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3326 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3327 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3328 triaged = false; 3329 } 3330 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3331 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3332 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3333 } 3334 3335 return updateFlags(flags, userId); 3336 } 3337 3338 /** 3339 * Update given flags when being used to request {@link ResolveInfo}. 3340 */ 3341 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3342 // Safe mode means we shouldn't match any third-party components 3343 if (mSafeMode) { 3344 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3345 } 3346 3347 return updateFlagsForComponent(flags, userId, cookie); 3348 } 3349 3350 @Override 3351 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3352 if (!sUserManager.exists(userId)) return null; 3353 flags = updateFlagsForComponent(flags, userId, component); 3354 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3355 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3356 synchronized (mPackages) { 3357 PackageParser.Activity a = mActivities.mActivities.get(component); 3358 3359 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3360 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3361 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3362 if (ps == null) return null; 3363 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3364 userId); 3365 } 3366 if (mResolveComponentName.equals(component)) { 3367 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3368 new PackageUserState(), userId); 3369 } 3370 } 3371 return null; 3372 } 3373 3374 @Override 3375 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3376 String resolvedType) { 3377 synchronized (mPackages) { 3378 if (component.equals(mResolveComponentName)) { 3379 // The resolver supports EVERYTHING! 3380 return true; 3381 } 3382 PackageParser.Activity a = mActivities.mActivities.get(component); 3383 if (a == null) { 3384 return false; 3385 } 3386 for (int i=0; i<a.intents.size(); i++) { 3387 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3388 intent.getData(), intent.getCategories(), TAG) >= 0) { 3389 return true; 3390 } 3391 } 3392 return false; 3393 } 3394 } 3395 3396 @Override 3397 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3398 if (!sUserManager.exists(userId)) return null; 3399 flags = updateFlagsForComponent(flags, userId, component); 3400 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3401 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3402 synchronized (mPackages) { 3403 PackageParser.Activity a = mReceivers.mActivities.get(component); 3404 if (DEBUG_PACKAGE_INFO) Log.v( 3405 TAG, "getReceiverInfo " + component + ": " + a); 3406 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3407 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3408 if (ps == null) return null; 3409 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3410 userId); 3411 } 3412 } 3413 return null; 3414 } 3415 3416 @Override 3417 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3418 if (!sUserManager.exists(userId)) return null; 3419 flags = updateFlagsForComponent(flags, userId, component); 3420 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3421 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3422 synchronized (mPackages) { 3423 PackageParser.Service s = mServices.mServices.get(component); 3424 if (DEBUG_PACKAGE_INFO) Log.v( 3425 TAG, "getServiceInfo " + component + ": " + s); 3426 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3427 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3428 if (ps == null) return null; 3429 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3430 userId); 3431 } 3432 } 3433 return null; 3434 } 3435 3436 @Override 3437 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3438 if (!sUserManager.exists(userId)) return null; 3439 flags = updateFlagsForComponent(flags, userId, component); 3440 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3441 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3442 synchronized (mPackages) { 3443 PackageParser.Provider p = mProviders.mProviders.get(component); 3444 if (DEBUG_PACKAGE_INFO) Log.v( 3445 TAG, "getProviderInfo " + component + ": " + p); 3446 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3447 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3448 if (ps == null) return null; 3449 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3450 userId); 3451 } 3452 } 3453 return null; 3454 } 3455 3456 @Override 3457 public String[] getSystemSharedLibraryNames() { 3458 Set<String> libSet; 3459 synchronized (mPackages) { 3460 libSet = mSharedLibraries.keySet(); 3461 int size = libSet.size(); 3462 if (size > 0) { 3463 String[] libs = new String[size]; 3464 libSet.toArray(libs); 3465 return libs; 3466 } 3467 } 3468 return null; 3469 } 3470 3471 @Override 3472 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3473 synchronized (mPackages) { 3474 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3475 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3476 if (libraryEntry != null) { 3477 return libraryEntry.apk; 3478 } 3479 } 3480 return null; 3481 } 3482 3483 @Override 3484 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3485 synchronized (mPackages) { 3486 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3487 3488 final FeatureInfo fi = new FeatureInfo(); 3489 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3490 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3491 res.add(fi); 3492 3493 return new ParceledListSlice<>(res); 3494 } 3495 } 3496 3497 @Override 3498 public boolean hasSystemFeature(String name, int version) { 3499 synchronized (mPackages) { 3500 final FeatureInfo feat = mAvailableFeatures.get(name); 3501 if (feat == null) { 3502 return false; 3503 } else { 3504 return feat.version >= version; 3505 } 3506 } 3507 } 3508 3509 @Override 3510 public int checkPermission(String permName, String pkgName, int userId) { 3511 if (!sUserManager.exists(userId)) { 3512 return PackageManager.PERMISSION_DENIED; 3513 } 3514 3515 synchronized (mPackages) { 3516 final PackageParser.Package p = mPackages.get(pkgName); 3517 if (p != null && p.mExtras != null) { 3518 final PackageSetting ps = (PackageSetting) p.mExtras; 3519 final PermissionsState permissionsState = ps.getPermissionsState(); 3520 if (permissionsState.hasPermission(permName, userId)) { 3521 return PackageManager.PERMISSION_GRANTED; 3522 } 3523 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3524 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3525 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3526 return PackageManager.PERMISSION_GRANTED; 3527 } 3528 } 3529 } 3530 3531 return PackageManager.PERMISSION_DENIED; 3532 } 3533 3534 @Override 3535 public int checkUidPermission(String permName, int uid) { 3536 final int userId = UserHandle.getUserId(uid); 3537 3538 if (!sUserManager.exists(userId)) { 3539 return PackageManager.PERMISSION_DENIED; 3540 } 3541 3542 synchronized (mPackages) { 3543 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3544 if (obj != null) { 3545 final SettingBase ps = (SettingBase) obj; 3546 final PermissionsState permissionsState = ps.getPermissionsState(); 3547 if (permissionsState.hasPermission(permName, userId)) { 3548 return PackageManager.PERMISSION_GRANTED; 3549 } 3550 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3551 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3552 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3553 return PackageManager.PERMISSION_GRANTED; 3554 } 3555 } else { 3556 ArraySet<String> perms = mSystemPermissions.get(uid); 3557 if (perms != null) { 3558 if (perms.contains(permName)) { 3559 return PackageManager.PERMISSION_GRANTED; 3560 } 3561 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3562 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3563 return PackageManager.PERMISSION_GRANTED; 3564 } 3565 } 3566 } 3567 } 3568 3569 return PackageManager.PERMISSION_DENIED; 3570 } 3571 3572 @Override 3573 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3574 if (UserHandle.getCallingUserId() != userId) { 3575 mContext.enforceCallingPermission( 3576 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3577 "isPermissionRevokedByPolicy for user " + userId); 3578 } 3579 3580 if (checkPermission(permission, packageName, userId) 3581 == PackageManager.PERMISSION_GRANTED) { 3582 return false; 3583 } 3584 3585 final long identity = Binder.clearCallingIdentity(); 3586 try { 3587 final int flags = getPermissionFlags(permission, packageName, userId); 3588 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3589 } finally { 3590 Binder.restoreCallingIdentity(identity); 3591 } 3592 } 3593 3594 @Override 3595 public String getPermissionControllerPackageName() { 3596 synchronized (mPackages) { 3597 return mRequiredInstallerPackage; 3598 } 3599 } 3600 3601 /** 3602 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3603 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3604 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3605 * @param message the message to log on security exception 3606 */ 3607 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3608 boolean checkShell, String message) { 3609 if (userId < 0) { 3610 throw new IllegalArgumentException("Invalid userId " + userId); 3611 } 3612 if (checkShell) { 3613 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3614 } 3615 if (userId == UserHandle.getUserId(callingUid)) return; 3616 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3617 if (requireFullPermission) { 3618 mContext.enforceCallingOrSelfPermission( 3619 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3620 } else { 3621 try { 3622 mContext.enforceCallingOrSelfPermission( 3623 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3624 } catch (SecurityException se) { 3625 mContext.enforceCallingOrSelfPermission( 3626 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3627 } 3628 } 3629 } 3630 } 3631 3632 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3633 if (callingUid == Process.SHELL_UID) { 3634 if (userHandle >= 0 3635 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3636 throw new SecurityException("Shell does not have permission to access user " 3637 + userHandle); 3638 } else if (userHandle < 0) { 3639 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3640 + Debug.getCallers(3)); 3641 } 3642 } 3643 } 3644 3645 private BasePermission findPermissionTreeLP(String permName) { 3646 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3647 if (permName.startsWith(bp.name) && 3648 permName.length() > bp.name.length() && 3649 permName.charAt(bp.name.length()) == '.') { 3650 return bp; 3651 } 3652 } 3653 return null; 3654 } 3655 3656 private BasePermission checkPermissionTreeLP(String permName) { 3657 if (permName != null) { 3658 BasePermission bp = findPermissionTreeLP(permName); 3659 if (bp != null) { 3660 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3661 return bp; 3662 } 3663 throw new SecurityException("Calling uid " 3664 + Binder.getCallingUid() 3665 + " is not allowed to add to permission tree " 3666 + bp.name + " owned by uid " + bp.uid); 3667 } 3668 } 3669 throw new SecurityException("No permission tree found for " + permName); 3670 } 3671 3672 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3673 if (s1 == null) { 3674 return s2 == null; 3675 } 3676 if (s2 == null) { 3677 return false; 3678 } 3679 if (s1.getClass() != s2.getClass()) { 3680 return false; 3681 } 3682 return s1.equals(s2); 3683 } 3684 3685 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3686 if (pi1.icon != pi2.icon) return false; 3687 if (pi1.logo != pi2.logo) return false; 3688 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3689 if (!compareStrings(pi1.name, pi2.name)) return false; 3690 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3691 // We'll take care of setting this one. 3692 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3693 // These are not currently stored in settings. 3694 //if (!compareStrings(pi1.group, pi2.group)) return false; 3695 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3696 //if (pi1.labelRes != pi2.labelRes) return false; 3697 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3698 return true; 3699 } 3700 3701 int permissionInfoFootprint(PermissionInfo info) { 3702 int size = info.name.length(); 3703 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3704 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3705 return size; 3706 } 3707 3708 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3709 int size = 0; 3710 for (BasePermission perm : mSettings.mPermissions.values()) { 3711 if (perm.uid == tree.uid) { 3712 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3713 } 3714 } 3715 return size; 3716 } 3717 3718 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3719 // We calculate the max size of permissions defined by this uid and throw 3720 // if that plus the size of 'info' would exceed our stated maximum. 3721 if (tree.uid != Process.SYSTEM_UID) { 3722 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3723 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3724 throw new SecurityException("Permission tree size cap exceeded"); 3725 } 3726 } 3727 } 3728 3729 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3730 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3731 throw new SecurityException("Label must be specified in permission"); 3732 } 3733 BasePermission tree = checkPermissionTreeLP(info.name); 3734 BasePermission bp = mSettings.mPermissions.get(info.name); 3735 boolean added = bp == null; 3736 boolean changed = true; 3737 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3738 if (added) { 3739 enforcePermissionCapLocked(info, tree); 3740 bp = new BasePermission(info.name, tree.sourcePackage, 3741 BasePermission.TYPE_DYNAMIC); 3742 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3743 throw new SecurityException( 3744 "Not allowed to modify non-dynamic permission " 3745 + info.name); 3746 } else { 3747 if (bp.protectionLevel == fixedLevel 3748 && bp.perm.owner.equals(tree.perm.owner) 3749 && bp.uid == tree.uid 3750 && comparePermissionInfos(bp.perm.info, info)) { 3751 changed = false; 3752 } 3753 } 3754 bp.protectionLevel = fixedLevel; 3755 info = new PermissionInfo(info); 3756 info.protectionLevel = fixedLevel; 3757 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3758 bp.perm.info.packageName = tree.perm.info.packageName; 3759 bp.uid = tree.uid; 3760 if (added) { 3761 mSettings.mPermissions.put(info.name, bp); 3762 } 3763 if (changed) { 3764 if (!async) { 3765 mSettings.writeLPr(); 3766 } else { 3767 scheduleWriteSettingsLocked(); 3768 } 3769 } 3770 return added; 3771 } 3772 3773 @Override 3774 public boolean addPermission(PermissionInfo info) { 3775 synchronized (mPackages) { 3776 return addPermissionLocked(info, false); 3777 } 3778 } 3779 3780 @Override 3781 public boolean addPermissionAsync(PermissionInfo info) { 3782 synchronized (mPackages) { 3783 return addPermissionLocked(info, true); 3784 } 3785 } 3786 3787 @Override 3788 public void removePermission(String name) { 3789 synchronized (mPackages) { 3790 checkPermissionTreeLP(name); 3791 BasePermission bp = mSettings.mPermissions.get(name); 3792 if (bp != null) { 3793 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3794 throw new SecurityException( 3795 "Not allowed to modify non-dynamic permission " 3796 + name); 3797 } 3798 mSettings.mPermissions.remove(name); 3799 mSettings.writeLPr(); 3800 } 3801 } 3802 } 3803 3804 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3805 BasePermission bp) { 3806 int index = pkg.requestedPermissions.indexOf(bp.name); 3807 if (index == -1) { 3808 throw new SecurityException("Package " + pkg.packageName 3809 + " has not requested permission " + bp.name); 3810 } 3811 if (!bp.isRuntime() && !bp.isDevelopment()) { 3812 throw new SecurityException("Permission " + bp.name 3813 + " is not a changeable permission type"); 3814 } 3815 } 3816 3817 @Override 3818 public void grantRuntimePermission(String packageName, String name, final int userId) { 3819 if (!sUserManager.exists(userId)) { 3820 Log.e(TAG, "No such user:" + userId); 3821 return; 3822 } 3823 3824 mContext.enforceCallingOrSelfPermission( 3825 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3826 "grantRuntimePermission"); 3827 3828 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3829 true /* requireFullPermission */, true /* checkShell */, 3830 "grantRuntimePermission"); 3831 3832 final int uid; 3833 final SettingBase sb; 3834 3835 synchronized (mPackages) { 3836 final PackageParser.Package pkg = mPackages.get(packageName); 3837 if (pkg == null) { 3838 throw new IllegalArgumentException("Unknown package: " + packageName); 3839 } 3840 3841 final BasePermission bp = mSettings.mPermissions.get(name); 3842 if (bp == null) { 3843 throw new IllegalArgumentException("Unknown permission: " + name); 3844 } 3845 3846 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3847 3848 // If a permission review is required for legacy apps we represent 3849 // their permissions as always granted runtime ones since we need 3850 // to keep the review required permission flag per user while an 3851 // install permission's state is shared across all users. 3852 if (Build.PERMISSIONS_REVIEW_REQUIRED 3853 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3854 && bp.isRuntime()) { 3855 return; 3856 } 3857 3858 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3859 sb = (SettingBase) pkg.mExtras; 3860 if (sb == null) { 3861 throw new IllegalArgumentException("Unknown package: " + packageName); 3862 } 3863 3864 final PermissionsState permissionsState = sb.getPermissionsState(); 3865 3866 final int flags = permissionsState.getPermissionFlags(name, userId); 3867 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3868 throw new SecurityException("Cannot grant system fixed permission " 3869 + name + " for package " + packageName); 3870 } 3871 3872 if (bp.isDevelopment()) { 3873 // Development permissions must be handled specially, since they are not 3874 // normal runtime permissions. For now they apply to all users. 3875 if (permissionsState.grantInstallPermission(bp) != 3876 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3877 scheduleWriteSettingsLocked(); 3878 } 3879 return; 3880 } 3881 3882 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3883 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3884 return; 3885 } 3886 3887 final int result = permissionsState.grantRuntimePermission(bp, userId); 3888 switch (result) { 3889 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3890 return; 3891 } 3892 3893 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3894 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3895 mHandler.post(new Runnable() { 3896 @Override 3897 public void run() { 3898 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3899 } 3900 }); 3901 } 3902 break; 3903 } 3904 3905 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3906 3907 // Not critical if that is lost - app has to request again. 3908 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3909 } 3910 3911 // Only need to do this if user is initialized. Otherwise it's a new user 3912 // and there are no processes running as the user yet and there's no need 3913 // to make an expensive call to remount processes for the changed permissions. 3914 if (READ_EXTERNAL_STORAGE.equals(name) 3915 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3916 final long token = Binder.clearCallingIdentity(); 3917 try { 3918 if (sUserManager.isInitialized(userId)) { 3919 MountServiceInternal mountServiceInternal = LocalServices.getService( 3920 MountServiceInternal.class); 3921 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3922 } 3923 } finally { 3924 Binder.restoreCallingIdentity(token); 3925 } 3926 } 3927 } 3928 3929 @Override 3930 public void revokeRuntimePermission(String packageName, String name, int userId) { 3931 if (!sUserManager.exists(userId)) { 3932 Log.e(TAG, "No such user:" + userId); 3933 return; 3934 } 3935 3936 mContext.enforceCallingOrSelfPermission( 3937 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3938 "revokeRuntimePermission"); 3939 3940 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3941 true /* requireFullPermission */, true /* checkShell */, 3942 "revokeRuntimePermission"); 3943 3944 final int appId; 3945 3946 synchronized (mPackages) { 3947 final PackageParser.Package pkg = mPackages.get(packageName); 3948 if (pkg == null) { 3949 throw new IllegalArgumentException("Unknown package: " + packageName); 3950 } 3951 3952 final BasePermission bp = mSettings.mPermissions.get(name); 3953 if (bp == null) { 3954 throw new IllegalArgumentException("Unknown permission: " + name); 3955 } 3956 3957 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3958 3959 // If a permission review is required for legacy apps we represent 3960 // their permissions as always granted runtime ones since we need 3961 // to keep the review required permission flag per user while an 3962 // install permission's state is shared across all users. 3963 if (Build.PERMISSIONS_REVIEW_REQUIRED 3964 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3965 && bp.isRuntime()) { 3966 return; 3967 } 3968 3969 SettingBase sb = (SettingBase) pkg.mExtras; 3970 if (sb == null) { 3971 throw new IllegalArgumentException("Unknown package: " + packageName); 3972 } 3973 3974 final PermissionsState permissionsState = sb.getPermissionsState(); 3975 3976 final int flags = permissionsState.getPermissionFlags(name, userId); 3977 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3978 throw new SecurityException("Cannot revoke system fixed permission " 3979 + name + " for package " + packageName); 3980 } 3981 3982 if (bp.isDevelopment()) { 3983 // Development permissions must be handled specially, since they are not 3984 // normal runtime permissions. For now they apply to all users. 3985 if (permissionsState.revokeInstallPermission(bp) != 3986 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3987 scheduleWriteSettingsLocked(); 3988 } 3989 return; 3990 } 3991 3992 if (permissionsState.revokeRuntimePermission(bp, userId) == 3993 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3994 return; 3995 } 3996 3997 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3998 3999 // Critical, after this call app should never have the permission. 4000 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4001 4002 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4003 } 4004 4005 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4006 } 4007 4008 @Override 4009 public void resetRuntimePermissions() { 4010 mContext.enforceCallingOrSelfPermission( 4011 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4012 "revokeRuntimePermission"); 4013 4014 int callingUid = Binder.getCallingUid(); 4015 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4016 mContext.enforceCallingOrSelfPermission( 4017 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4018 "resetRuntimePermissions"); 4019 } 4020 4021 synchronized (mPackages) { 4022 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4023 for (int userId : UserManagerService.getInstance().getUserIds()) { 4024 final int packageCount = mPackages.size(); 4025 for (int i = 0; i < packageCount; i++) { 4026 PackageParser.Package pkg = mPackages.valueAt(i); 4027 if (!(pkg.mExtras instanceof PackageSetting)) { 4028 continue; 4029 } 4030 PackageSetting ps = (PackageSetting) pkg.mExtras; 4031 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4032 } 4033 } 4034 } 4035 } 4036 4037 @Override 4038 public int getPermissionFlags(String name, String packageName, int userId) { 4039 if (!sUserManager.exists(userId)) { 4040 return 0; 4041 } 4042 4043 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4044 4045 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4046 true /* requireFullPermission */, false /* checkShell */, 4047 "getPermissionFlags"); 4048 4049 synchronized (mPackages) { 4050 final PackageParser.Package pkg = mPackages.get(packageName); 4051 if (pkg == null) { 4052 throw new IllegalArgumentException("Unknown package: " + packageName); 4053 } 4054 4055 final BasePermission bp = mSettings.mPermissions.get(name); 4056 if (bp == null) { 4057 throw new IllegalArgumentException("Unknown permission: " + name); 4058 } 4059 4060 SettingBase sb = (SettingBase) pkg.mExtras; 4061 if (sb == null) { 4062 throw new IllegalArgumentException("Unknown package: " + packageName); 4063 } 4064 4065 PermissionsState permissionsState = sb.getPermissionsState(); 4066 return permissionsState.getPermissionFlags(name, userId); 4067 } 4068 } 4069 4070 @Override 4071 public void updatePermissionFlags(String name, String packageName, int flagMask, 4072 int flagValues, int userId) { 4073 if (!sUserManager.exists(userId)) { 4074 return; 4075 } 4076 4077 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4078 4079 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4080 true /* requireFullPermission */, true /* checkShell */, 4081 "updatePermissionFlags"); 4082 4083 // Only the system can change these flags and nothing else. 4084 if (getCallingUid() != Process.SYSTEM_UID) { 4085 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4086 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4087 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4088 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4089 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4090 } 4091 4092 synchronized (mPackages) { 4093 final PackageParser.Package pkg = mPackages.get(packageName); 4094 if (pkg == null) { 4095 throw new IllegalArgumentException("Unknown package: " + packageName); 4096 } 4097 4098 final BasePermission bp = mSettings.mPermissions.get(name); 4099 if (bp == null) { 4100 throw new IllegalArgumentException("Unknown permission: " + name); 4101 } 4102 4103 SettingBase sb = (SettingBase) pkg.mExtras; 4104 if (sb == null) { 4105 throw new IllegalArgumentException("Unknown package: " + packageName); 4106 } 4107 4108 PermissionsState permissionsState = sb.getPermissionsState(); 4109 4110 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4111 4112 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4113 // Install and runtime permissions are stored in different places, 4114 // so figure out what permission changed and persist the change. 4115 if (permissionsState.getInstallPermissionState(name) != null) { 4116 scheduleWriteSettingsLocked(); 4117 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4118 || hadState) { 4119 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4120 } 4121 } 4122 } 4123 } 4124 4125 /** 4126 * Update the permission flags for all packages and runtime permissions of a user in order 4127 * to allow device or profile owner to remove POLICY_FIXED. 4128 */ 4129 @Override 4130 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4131 if (!sUserManager.exists(userId)) { 4132 return; 4133 } 4134 4135 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4136 4137 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4138 true /* requireFullPermission */, true /* checkShell */, 4139 "updatePermissionFlagsForAllApps"); 4140 4141 // Only the system can change system fixed flags. 4142 if (getCallingUid() != Process.SYSTEM_UID) { 4143 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4144 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4145 } 4146 4147 synchronized (mPackages) { 4148 boolean changed = false; 4149 final int packageCount = mPackages.size(); 4150 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4151 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4152 SettingBase sb = (SettingBase) pkg.mExtras; 4153 if (sb == null) { 4154 continue; 4155 } 4156 PermissionsState permissionsState = sb.getPermissionsState(); 4157 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4158 userId, flagMask, flagValues); 4159 } 4160 if (changed) { 4161 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4162 } 4163 } 4164 } 4165 4166 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4167 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4168 != PackageManager.PERMISSION_GRANTED 4169 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4170 != PackageManager.PERMISSION_GRANTED) { 4171 throw new SecurityException(message + " requires " 4172 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4173 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4174 } 4175 } 4176 4177 @Override 4178 public boolean shouldShowRequestPermissionRationale(String permissionName, 4179 String packageName, int userId) { 4180 if (UserHandle.getCallingUserId() != userId) { 4181 mContext.enforceCallingPermission( 4182 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4183 "canShowRequestPermissionRationale for user " + userId); 4184 } 4185 4186 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4187 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4188 return false; 4189 } 4190 4191 if (checkPermission(permissionName, packageName, userId) 4192 == PackageManager.PERMISSION_GRANTED) { 4193 return false; 4194 } 4195 4196 final int flags; 4197 4198 final long identity = Binder.clearCallingIdentity(); 4199 try { 4200 flags = getPermissionFlags(permissionName, 4201 packageName, userId); 4202 } finally { 4203 Binder.restoreCallingIdentity(identity); 4204 } 4205 4206 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4207 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4208 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4209 4210 if ((flags & fixedFlags) != 0) { 4211 return false; 4212 } 4213 4214 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4215 } 4216 4217 @Override 4218 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4219 mContext.enforceCallingOrSelfPermission( 4220 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4221 "addOnPermissionsChangeListener"); 4222 4223 synchronized (mPackages) { 4224 mOnPermissionChangeListeners.addListenerLocked(listener); 4225 } 4226 } 4227 4228 @Override 4229 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4230 synchronized (mPackages) { 4231 mOnPermissionChangeListeners.removeListenerLocked(listener); 4232 } 4233 } 4234 4235 @Override 4236 public boolean isProtectedBroadcast(String actionName) { 4237 synchronized (mPackages) { 4238 if (mProtectedBroadcasts.contains(actionName)) { 4239 return true; 4240 } else if (actionName != null) { 4241 // TODO: remove these terrible hacks 4242 if (actionName.startsWith("android.net.netmon.lingerExpired") 4243 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4244 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4245 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4246 return true; 4247 } 4248 } 4249 } 4250 return false; 4251 } 4252 4253 @Override 4254 public int checkSignatures(String pkg1, String pkg2) { 4255 synchronized (mPackages) { 4256 final PackageParser.Package p1 = mPackages.get(pkg1); 4257 final PackageParser.Package p2 = mPackages.get(pkg2); 4258 if (p1 == null || p1.mExtras == null 4259 || p2 == null || p2.mExtras == null) { 4260 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4261 } 4262 return compareSignatures(p1.mSignatures, p2.mSignatures); 4263 } 4264 } 4265 4266 @Override 4267 public int checkUidSignatures(int uid1, int uid2) { 4268 // Map to base uids. 4269 uid1 = UserHandle.getAppId(uid1); 4270 uid2 = UserHandle.getAppId(uid2); 4271 // reader 4272 synchronized (mPackages) { 4273 Signature[] s1; 4274 Signature[] s2; 4275 Object obj = mSettings.getUserIdLPr(uid1); 4276 if (obj != null) { 4277 if (obj instanceof SharedUserSetting) { 4278 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4279 } else if (obj instanceof PackageSetting) { 4280 s1 = ((PackageSetting)obj).signatures.mSignatures; 4281 } else { 4282 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4283 } 4284 } else { 4285 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4286 } 4287 obj = mSettings.getUserIdLPr(uid2); 4288 if (obj != null) { 4289 if (obj instanceof SharedUserSetting) { 4290 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4291 } else if (obj instanceof PackageSetting) { 4292 s2 = ((PackageSetting)obj).signatures.mSignatures; 4293 } else { 4294 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4295 } 4296 } else { 4297 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4298 } 4299 return compareSignatures(s1, s2); 4300 } 4301 } 4302 4303 private void killUid(int appId, int userId, String reason) { 4304 final long identity = Binder.clearCallingIdentity(); 4305 try { 4306 IActivityManager am = ActivityManagerNative.getDefault(); 4307 if (am != null) { 4308 try { 4309 am.killUid(appId, userId, reason); 4310 } catch (RemoteException e) { 4311 /* ignore - same process */ 4312 } 4313 } 4314 } finally { 4315 Binder.restoreCallingIdentity(identity); 4316 } 4317 } 4318 4319 /** 4320 * Compares two sets of signatures. Returns: 4321 * <br /> 4322 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4323 * <br /> 4324 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4325 * <br /> 4326 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4327 * <br /> 4328 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4329 * <br /> 4330 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4331 */ 4332 static int compareSignatures(Signature[] s1, Signature[] s2) { 4333 if (s1 == null) { 4334 return s2 == null 4335 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4336 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4337 } 4338 4339 if (s2 == null) { 4340 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4341 } 4342 4343 if (s1.length != s2.length) { 4344 return PackageManager.SIGNATURE_NO_MATCH; 4345 } 4346 4347 // Since both signature sets are of size 1, we can compare without HashSets. 4348 if (s1.length == 1) { 4349 return s1[0].equals(s2[0]) ? 4350 PackageManager.SIGNATURE_MATCH : 4351 PackageManager.SIGNATURE_NO_MATCH; 4352 } 4353 4354 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4355 for (Signature sig : s1) { 4356 set1.add(sig); 4357 } 4358 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4359 for (Signature sig : s2) { 4360 set2.add(sig); 4361 } 4362 // Make sure s2 contains all signatures in s1. 4363 if (set1.equals(set2)) { 4364 return PackageManager.SIGNATURE_MATCH; 4365 } 4366 return PackageManager.SIGNATURE_NO_MATCH; 4367 } 4368 4369 /** 4370 * If the database version for this type of package (internal storage or 4371 * external storage) is less than the version where package signatures 4372 * were updated, return true. 4373 */ 4374 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4375 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4376 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4377 } 4378 4379 /** 4380 * Used for backward compatibility to make sure any packages with 4381 * certificate chains get upgraded to the new style. {@code existingSigs} 4382 * will be in the old format (since they were stored on disk from before the 4383 * system upgrade) and {@code scannedSigs} will be in the newer format. 4384 */ 4385 private int compareSignaturesCompat(PackageSignatures existingSigs, 4386 PackageParser.Package scannedPkg) { 4387 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4388 return PackageManager.SIGNATURE_NO_MATCH; 4389 } 4390 4391 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4392 for (Signature sig : existingSigs.mSignatures) { 4393 existingSet.add(sig); 4394 } 4395 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4396 for (Signature sig : scannedPkg.mSignatures) { 4397 try { 4398 Signature[] chainSignatures = sig.getChainSignatures(); 4399 for (Signature chainSig : chainSignatures) { 4400 scannedCompatSet.add(chainSig); 4401 } 4402 } catch (CertificateEncodingException e) { 4403 scannedCompatSet.add(sig); 4404 } 4405 } 4406 /* 4407 * Make sure the expanded scanned set contains all signatures in the 4408 * existing one. 4409 */ 4410 if (scannedCompatSet.equals(existingSet)) { 4411 // Migrate the old signatures to the new scheme. 4412 existingSigs.assignSignatures(scannedPkg.mSignatures); 4413 // The new KeySets will be re-added later in the scanning process. 4414 synchronized (mPackages) { 4415 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4416 } 4417 return PackageManager.SIGNATURE_MATCH; 4418 } 4419 return PackageManager.SIGNATURE_NO_MATCH; 4420 } 4421 4422 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4423 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4424 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4425 } 4426 4427 private int compareSignaturesRecover(PackageSignatures existingSigs, 4428 PackageParser.Package scannedPkg) { 4429 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4430 return PackageManager.SIGNATURE_NO_MATCH; 4431 } 4432 4433 String msg = null; 4434 try { 4435 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4436 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4437 + scannedPkg.packageName); 4438 return PackageManager.SIGNATURE_MATCH; 4439 } 4440 } catch (CertificateException e) { 4441 msg = e.getMessage(); 4442 } 4443 4444 logCriticalInfo(Log.INFO, 4445 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4446 return PackageManager.SIGNATURE_NO_MATCH; 4447 } 4448 4449 @Override 4450 public List<String> getAllPackages() { 4451 synchronized (mPackages) { 4452 return new ArrayList<String>(mPackages.keySet()); 4453 } 4454 } 4455 4456 @Override 4457 public String[] getPackagesForUid(int uid) { 4458 uid = UserHandle.getAppId(uid); 4459 // reader 4460 synchronized (mPackages) { 4461 Object obj = mSettings.getUserIdLPr(uid); 4462 if (obj instanceof SharedUserSetting) { 4463 final SharedUserSetting sus = (SharedUserSetting) obj; 4464 final int N = sus.packages.size(); 4465 final String[] res = new String[N]; 4466 final Iterator<PackageSetting> it = sus.packages.iterator(); 4467 int i = 0; 4468 while (it.hasNext()) { 4469 res[i++] = it.next().name; 4470 } 4471 return res; 4472 } else if (obj instanceof PackageSetting) { 4473 final PackageSetting ps = (PackageSetting) obj; 4474 return new String[] { ps.name }; 4475 } 4476 } 4477 return null; 4478 } 4479 4480 @Override 4481 public String getNameForUid(int uid) { 4482 // reader 4483 synchronized (mPackages) { 4484 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4485 if (obj instanceof SharedUserSetting) { 4486 final SharedUserSetting sus = (SharedUserSetting) obj; 4487 return sus.name + ":" + sus.userId; 4488 } else if (obj instanceof PackageSetting) { 4489 final PackageSetting ps = (PackageSetting) obj; 4490 return ps.name; 4491 } 4492 } 4493 return null; 4494 } 4495 4496 @Override 4497 public int getUidForSharedUser(String sharedUserName) { 4498 if(sharedUserName == null) { 4499 return -1; 4500 } 4501 // reader 4502 synchronized (mPackages) { 4503 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4504 if (suid == null) { 4505 return -1; 4506 } 4507 return suid.userId; 4508 } 4509 } 4510 4511 @Override 4512 public int getFlagsForUid(int uid) { 4513 synchronized (mPackages) { 4514 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4515 if (obj instanceof SharedUserSetting) { 4516 final SharedUserSetting sus = (SharedUserSetting) obj; 4517 return sus.pkgFlags; 4518 } else if (obj instanceof PackageSetting) { 4519 final PackageSetting ps = (PackageSetting) obj; 4520 return ps.pkgFlags; 4521 } 4522 } 4523 return 0; 4524 } 4525 4526 @Override 4527 public int getPrivateFlagsForUid(int uid) { 4528 synchronized (mPackages) { 4529 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4530 if (obj instanceof SharedUserSetting) { 4531 final SharedUserSetting sus = (SharedUserSetting) obj; 4532 return sus.pkgPrivateFlags; 4533 } else if (obj instanceof PackageSetting) { 4534 final PackageSetting ps = (PackageSetting) obj; 4535 return ps.pkgPrivateFlags; 4536 } 4537 } 4538 return 0; 4539 } 4540 4541 @Override 4542 public boolean isUidPrivileged(int uid) { 4543 uid = UserHandle.getAppId(uid); 4544 // reader 4545 synchronized (mPackages) { 4546 Object obj = mSettings.getUserIdLPr(uid); 4547 if (obj instanceof SharedUserSetting) { 4548 final SharedUserSetting sus = (SharedUserSetting) obj; 4549 final Iterator<PackageSetting> it = sus.packages.iterator(); 4550 while (it.hasNext()) { 4551 if (it.next().isPrivileged()) { 4552 return true; 4553 } 4554 } 4555 } else if (obj instanceof PackageSetting) { 4556 final PackageSetting ps = (PackageSetting) obj; 4557 return ps.isPrivileged(); 4558 } 4559 } 4560 return false; 4561 } 4562 4563 @Override 4564 public String[] getAppOpPermissionPackages(String permissionName) { 4565 synchronized (mPackages) { 4566 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4567 if (pkgs == null) { 4568 return null; 4569 } 4570 return pkgs.toArray(new String[pkgs.size()]); 4571 } 4572 } 4573 4574 @Override 4575 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4576 int flags, int userId) { 4577 if (!sUserManager.exists(userId)) return null; 4578 flags = updateFlagsForResolve(flags, userId, intent); 4579 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4580 false /* requireFullPermission */, false /* checkShell */, "resolve intent"); 4581 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4582 userId); 4583 final ResolveInfo bestChoice = 4584 chooseBestActivity(intent, resolvedType, flags, query, userId); 4585 4586 if (isEphemeralAllowed(intent, query, userId)) { 4587 final EphemeralResolveInfo ai = 4588 getEphemeralResolveInfo(intent, resolvedType, userId); 4589 if (ai != null) { 4590 if (DEBUG_EPHEMERAL) { 4591 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4592 } 4593 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4594 bestChoice.ephemeralResolveInfo = ai; 4595 } 4596 } 4597 return bestChoice; 4598 } 4599 4600 @Override 4601 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4602 IntentFilter filter, int match, ComponentName activity) { 4603 final int userId = UserHandle.getCallingUserId(); 4604 if (DEBUG_PREFERRED) { 4605 Log.v(TAG, "setLastChosenActivity intent=" + intent 4606 + " resolvedType=" + resolvedType 4607 + " flags=" + flags 4608 + " filter=" + filter 4609 + " match=" + match 4610 + " activity=" + activity); 4611 filter.dump(new PrintStreamPrinter(System.out), " "); 4612 } 4613 intent.setComponent(null); 4614 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4615 userId); 4616 // Find any earlier preferred or last chosen entries and nuke them 4617 findPreferredActivity(intent, resolvedType, 4618 flags, query, 0, false, true, false, userId); 4619 // Add the new activity as the last chosen for this filter 4620 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4621 "Setting last chosen"); 4622 } 4623 4624 @Override 4625 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4626 final int userId = UserHandle.getCallingUserId(); 4627 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4628 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4629 userId); 4630 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4631 false, false, false, userId); 4632 } 4633 4634 4635 private boolean isEphemeralAllowed( 4636 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4637 // Short circuit and return early if possible. 4638 if (DISABLE_EPHEMERAL_APPS) { 4639 return false; 4640 } 4641 final int callingUser = UserHandle.getCallingUserId(); 4642 if (callingUser != UserHandle.USER_SYSTEM) { 4643 return false; 4644 } 4645 if (mEphemeralResolverConnection == null) { 4646 return false; 4647 } 4648 if (intent.getComponent() != null) { 4649 return false; 4650 } 4651 if (intent.getPackage() != null) { 4652 return false; 4653 } 4654 final boolean isWebUri = hasWebURI(intent); 4655 if (!isWebUri) { 4656 return false; 4657 } 4658 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4659 synchronized (mPackages) { 4660 final int count = resolvedActivites.size(); 4661 for (int n = 0; n < count; n++) { 4662 ResolveInfo info = resolvedActivites.get(n); 4663 String packageName = info.activityInfo.packageName; 4664 PackageSetting ps = mSettings.mPackages.get(packageName); 4665 if (ps != null) { 4666 // Try to get the status from User settings first 4667 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4668 int status = (int) (packedStatus >> 32); 4669 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4670 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4671 if (DEBUG_EPHEMERAL) { 4672 Slog.v(TAG, "DENY ephemeral apps;" 4673 + " pkg: " + packageName + ", status: " + status); 4674 } 4675 return false; 4676 } 4677 } 4678 } 4679 } 4680 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4681 return true; 4682 } 4683 4684 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4685 int userId) { 4686 MessageDigest digest = null; 4687 try { 4688 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4689 } catch (NoSuchAlgorithmException e) { 4690 // If we can't create a digest, ignore ephemeral apps. 4691 return null; 4692 } 4693 4694 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4695 final byte[] digestBytes = digest.digest(hostBytes); 4696 int shaPrefix = 4697 digestBytes[0] << 24 4698 | digestBytes[1] << 16 4699 | digestBytes[2] << 8 4700 | digestBytes[3] << 0; 4701 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4702 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4703 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4704 // No hash prefix match; there are no ephemeral apps for this domain. 4705 return null; 4706 } 4707 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4708 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4709 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4710 continue; 4711 } 4712 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4713 // No filters; this should never happen. 4714 if (filters.isEmpty()) { 4715 continue; 4716 } 4717 // We have a domain match; resolve the filters to see if anything matches. 4718 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4719 for (int j = filters.size() - 1; j >= 0; --j) { 4720 final EphemeralResolveIntentInfo intentInfo = 4721 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4722 ephemeralResolver.addFilter(intentInfo); 4723 } 4724 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4725 intent, resolvedType, false /*defaultOnly*/, userId); 4726 if (!matchedResolveInfoList.isEmpty()) { 4727 return matchedResolveInfoList.get(0); 4728 } 4729 } 4730 // Hash or filter mis-match; no ephemeral apps for this domain. 4731 return null; 4732 } 4733 4734 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4735 int flags, List<ResolveInfo> query, int userId) { 4736 if (query != null) { 4737 final int N = query.size(); 4738 if (N == 1) { 4739 return query.get(0); 4740 } else if (N > 1) { 4741 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4742 // If there is more than one activity with the same priority, 4743 // then let the user decide between them. 4744 ResolveInfo r0 = query.get(0); 4745 ResolveInfo r1 = query.get(1); 4746 if (DEBUG_INTENT_MATCHING || debug) { 4747 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4748 + r1.activityInfo.name + "=" + r1.priority); 4749 } 4750 // If the first activity has a higher priority, or a different 4751 // default, then it is always desirable to pick it. 4752 if (r0.priority != r1.priority 4753 || r0.preferredOrder != r1.preferredOrder 4754 || r0.isDefault != r1.isDefault) { 4755 return query.get(0); 4756 } 4757 // If we have saved a preference for a preferred activity for 4758 // this Intent, use that. 4759 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4760 flags, query, r0.priority, true, false, debug, userId); 4761 if (ri != null) { 4762 return ri; 4763 } 4764 ri = new ResolveInfo(mResolveInfo); 4765 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4766 ri.activityInfo.applicationInfo = new ApplicationInfo( 4767 ri.activityInfo.applicationInfo); 4768 if (userId != 0) { 4769 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4770 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4771 } 4772 // Make sure that the resolver is displayable in car mode 4773 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4774 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4775 return ri; 4776 } 4777 } 4778 return null; 4779 } 4780 4781 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4782 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4783 final int N = query.size(); 4784 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4785 .get(userId); 4786 // Get the list of persistent preferred activities that handle the intent 4787 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4788 List<PersistentPreferredActivity> pprefs = ppir != null 4789 ? ppir.queryIntent(intent, resolvedType, 4790 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4791 : null; 4792 if (pprefs != null && pprefs.size() > 0) { 4793 final int M = pprefs.size(); 4794 for (int i=0; i<M; i++) { 4795 final PersistentPreferredActivity ppa = pprefs.get(i); 4796 if (DEBUG_PREFERRED || debug) { 4797 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4798 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4799 + "\n component=" + ppa.mComponent); 4800 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4801 } 4802 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4803 flags | MATCH_DISABLED_COMPONENTS, userId); 4804 if (DEBUG_PREFERRED || debug) { 4805 Slog.v(TAG, "Found persistent preferred activity:"); 4806 if (ai != null) { 4807 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4808 } else { 4809 Slog.v(TAG, " null"); 4810 } 4811 } 4812 if (ai == null) { 4813 // This previously registered persistent preferred activity 4814 // component is no longer known. Ignore it and do NOT remove it. 4815 continue; 4816 } 4817 for (int j=0; j<N; j++) { 4818 final ResolveInfo ri = query.get(j); 4819 if (!ri.activityInfo.applicationInfo.packageName 4820 .equals(ai.applicationInfo.packageName)) { 4821 continue; 4822 } 4823 if (!ri.activityInfo.name.equals(ai.name)) { 4824 continue; 4825 } 4826 // Found a persistent preference that can handle the intent. 4827 if (DEBUG_PREFERRED || debug) { 4828 Slog.v(TAG, "Returning persistent preferred activity: " + 4829 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4830 } 4831 return ri; 4832 } 4833 } 4834 } 4835 return null; 4836 } 4837 4838 // TODO: handle preferred activities missing while user has amnesia 4839 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4840 List<ResolveInfo> query, int priority, boolean always, 4841 boolean removeMatches, boolean debug, int userId) { 4842 if (!sUserManager.exists(userId)) return null; 4843 flags = updateFlagsForResolve(flags, userId, intent); 4844 // writer 4845 synchronized (mPackages) { 4846 if (intent.getSelector() != null) { 4847 intent = intent.getSelector(); 4848 } 4849 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4850 4851 // Try to find a matching persistent preferred activity. 4852 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4853 debug, userId); 4854 4855 // If a persistent preferred activity matched, use it. 4856 if (pri != null) { 4857 return pri; 4858 } 4859 4860 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4861 // Get the list of preferred activities that handle the intent 4862 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4863 List<PreferredActivity> prefs = pir != null 4864 ? pir.queryIntent(intent, resolvedType, 4865 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4866 : null; 4867 if (prefs != null && prefs.size() > 0) { 4868 boolean changed = false; 4869 try { 4870 // First figure out how good the original match set is. 4871 // We will only allow preferred activities that came 4872 // from the same match quality. 4873 int match = 0; 4874 4875 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4876 4877 final int N = query.size(); 4878 for (int j=0; j<N; j++) { 4879 final ResolveInfo ri = query.get(j); 4880 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4881 + ": 0x" + Integer.toHexString(match)); 4882 if (ri.match > match) { 4883 match = ri.match; 4884 } 4885 } 4886 4887 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4888 + Integer.toHexString(match)); 4889 4890 match &= IntentFilter.MATCH_CATEGORY_MASK; 4891 final int M = prefs.size(); 4892 for (int i=0; i<M; i++) { 4893 final PreferredActivity pa = prefs.get(i); 4894 if (DEBUG_PREFERRED || debug) { 4895 Slog.v(TAG, "Checking PreferredActivity ds=" 4896 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4897 + "\n component=" + pa.mPref.mComponent); 4898 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4899 } 4900 if (pa.mPref.mMatch != match) { 4901 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4902 + Integer.toHexString(pa.mPref.mMatch)); 4903 continue; 4904 } 4905 // If it's not an "always" type preferred activity and that's what we're 4906 // looking for, skip it. 4907 if (always && !pa.mPref.mAlways) { 4908 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4909 continue; 4910 } 4911 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4912 flags | MATCH_DISABLED_COMPONENTS, userId); 4913 if (DEBUG_PREFERRED || debug) { 4914 Slog.v(TAG, "Found preferred activity:"); 4915 if (ai != null) { 4916 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4917 } else { 4918 Slog.v(TAG, " null"); 4919 } 4920 } 4921 if (ai == null) { 4922 // This previously registered preferred activity 4923 // component is no longer known. Most likely an update 4924 // to the app was installed and in the new version this 4925 // component no longer exists. Clean it up by removing 4926 // it from the preferred activities list, and skip it. 4927 Slog.w(TAG, "Removing dangling preferred activity: " 4928 + pa.mPref.mComponent); 4929 pir.removeFilter(pa); 4930 changed = true; 4931 continue; 4932 } 4933 for (int j=0; j<N; j++) { 4934 final ResolveInfo ri = query.get(j); 4935 if (!ri.activityInfo.applicationInfo.packageName 4936 .equals(ai.applicationInfo.packageName)) { 4937 continue; 4938 } 4939 if (!ri.activityInfo.name.equals(ai.name)) { 4940 continue; 4941 } 4942 4943 if (removeMatches) { 4944 pir.removeFilter(pa); 4945 changed = true; 4946 if (DEBUG_PREFERRED) { 4947 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4948 } 4949 break; 4950 } 4951 4952 // Okay we found a previously set preferred or last chosen app. 4953 // If the result set is different from when this 4954 // was created, we need to clear it and re-ask the 4955 // user their preference, if we're looking for an "always" type entry. 4956 if (always && !pa.mPref.sameSet(query)) { 4957 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4958 + intent + " type " + resolvedType); 4959 if (DEBUG_PREFERRED) { 4960 Slog.v(TAG, "Removing preferred activity since set changed " 4961 + pa.mPref.mComponent); 4962 } 4963 pir.removeFilter(pa); 4964 // Re-add the filter as a "last chosen" entry (!always) 4965 PreferredActivity lastChosen = new PreferredActivity( 4966 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4967 pir.addFilter(lastChosen); 4968 changed = true; 4969 return null; 4970 } 4971 4972 // Yay! Either the set matched or we're looking for the last chosen 4973 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4974 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4975 return ri; 4976 } 4977 } 4978 } finally { 4979 if (changed) { 4980 if (DEBUG_PREFERRED) { 4981 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4982 } 4983 scheduleWritePackageRestrictionsLocked(userId); 4984 } 4985 } 4986 } 4987 } 4988 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4989 return null; 4990 } 4991 4992 /* 4993 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4994 */ 4995 @Override 4996 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4997 int targetUserId) { 4998 mContext.enforceCallingOrSelfPermission( 4999 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5000 List<CrossProfileIntentFilter> matches = 5001 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5002 if (matches != null) { 5003 int size = matches.size(); 5004 for (int i = 0; i < size; i++) { 5005 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5006 } 5007 } 5008 if (hasWebURI(intent)) { 5009 // cross-profile app linking works only towards the parent. 5010 final UserInfo parent = getProfileParent(sourceUserId); 5011 synchronized(mPackages) { 5012 int flags = updateFlagsForResolve(0, parent.id, intent); 5013 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5014 intent, resolvedType, flags, sourceUserId, parent.id); 5015 return xpDomainInfo != null; 5016 } 5017 } 5018 return false; 5019 } 5020 5021 private UserInfo getProfileParent(int userId) { 5022 final long identity = Binder.clearCallingIdentity(); 5023 try { 5024 return sUserManager.getProfileParent(userId); 5025 } finally { 5026 Binder.restoreCallingIdentity(identity); 5027 } 5028 } 5029 5030 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5031 String resolvedType, int userId) { 5032 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5033 if (resolver != null) { 5034 return resolver.queryIntent(intent, resolvedType, false, userId); 5035 } 5036 return null; 5037 } 5038 5039 @Override 5040 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5041 String resolvedType, int flags, int userId) { 5042 return new ParceledListSlice<>( 5043 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5044 } 5045 5046 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5047 String resolvedType, int flags, int userId) { 5048 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5049 flags = updateFlagsForResolve(flags, userId, intent); 5050 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5051 false /* requireFullPermission */, false /* checkShell */, 5052 "query intent activities"); 5053 ComponentName comp = intent.getComponent(); 5054 if (comp == null) { 5055 if (intent.getSelector() != null) { 5056 intent = intent.getSelector(); 5057 comp = intent.getComponent(); 5058 } 5059 } 5060 5061 if (comp != null) { 5062 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5063 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5064 if (ai != null) { 5065 final ResolveInfo ri = new ResolveInfo(); 5066 ri.activityInfo = ai; 5067 list.add(ri); 5068 } 5069 return list; 5070 } 5071 5072 // reader 5073 synchronized (mPackages) { 5074 final String pkgName = intent.getPackage(); 5075 if (pkgName == null) { 5076 List<CrossProfileIntentFilter> matchingFilters = 5077 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5078 // Check for results that need to skip the current profile. 5079 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5080 resolvedType, flags, userId); 5081 if (xpResolveInfo != null) { 5082 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5083 result.add(xpResolveInfo); 5084 return filterIfNotSystemUser(result, userId); 5085 } 5086 5087 // Check for results in the current profile. 5088 List<ResolveInfo> result = mActivities.queryIntent( 5089 intent, resolvedType, flags, userId); 5090 result = filterIfNotSystemUser(result, userId); 5091 5092 // Check for cross profile results. 5093 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5094 xpResolveInfo = queryCrossProfileIntents( 5095 matchingFilters, intent, resolvedType, flags, userId, 5096 hasNonNegativePriorityResult); 5097 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5098 boolean isVisibleToUser = filterIfNotSystemUser( 5099 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5100 if (isVisibleToUser) { 5101 result.add(xpResolveInfo); 5102 Collections.sort(result, mResolvePrioritySorter); 5103 } 5104 } 5105 if (hasWebURI(intent)) { 5106 CrossProfileDomainInfo xpDomainInfo = null; 5107 final UserInfo parent = getProfileParent(userId); 5108 if (parent != null) { 5109 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5110 flags, userId, parent.id); 5111 } 5112 if (xpDomainInfo != null) { 5113 if (xpResolveInfo != null) { 5114 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5115 // in the result. 5116 result.remove(xpResolveInfo); 5117 } 5118 if (result.size() == 0) { 5119 result.add(xpDomainInfo.resolveInfo); 5120 return result; 5121 } 5122 } else if (result.size() <= 1) { 5123 return result; 5124 } 5125 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5126 xpDomainInfo, userId); 5127 Collections.sort(result, mResolvePrioritySorter); 5128 } 5129 return result; 5130 } 5131 final PackageParser.Package pkg = mPackages.get(pkgName); 5132 if (pkg != null) { 5133 return filterIfNotSystemUser( 5134 mActivities.queryIntentForPackage( 5135 intent, resolvedType, flags, pkg.activities, userId), 5136 userId); 5137 } 5138 return new ArrayList<ResolveInfo>(); 5139 } 5140 } 5141 5142 private static class CrossProfileDomainInfo { 5143 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5144 ResolveInfo resolveInfo; 5145 /* Best domain verification status of the activities found in the other profile */ 5146 int bestDomainVerificationStatus; 5147 } 5148 5149 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5150 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5151 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5152 sourceUserId)) { 5153 return null; 5154 } 5155 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5156 resolvedType, flags, parentUserId); 5157 5158 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5159 return null; 5160 } 5161 CrossProfileDomainInfo result = null; 5162 int size = resultTargetUser.size(); 5163 for (int i = 0; i < size; i++) { 5164 ResolveInfo riTargetUser = resultTargetUser.get(i); 5165 // Intent filter verification is only for filters that specify a host. So don't return 5166 // those that handle all web uris. 5167 if (riTargetUser.handleAllWebDataURI) { 5168 continue; 5169 } 5170 String packageName = riTargetUser.activityInfo.packageName; 5171 PackageSetting ps = mSettings.mPackages.get(packageName); 5172 if (ps == null) { 5173 continue; 5174 } 5175 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5176 int status = (int)(verificationState >> 32); 5177 if (result == null) { 5178 result = new CrossProfileDomainInfo(); 5179 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5180 sourceUserId, parentUserId); 5181 result.bestDomainVerificationStatus = status; 5182 } else { 5183 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5184 result.bestDomainVerificationStatus); 5185 } 5186 } 5187 // Don't consider matches with status NEVER across profiles. 5188 if (result != null && result.bestDomainVerificationStatus 5189 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5190 return null; 5191 } 5192 return result; 5193 } 5194 5195 /** 5196 * Verification statuses are ordered from the worse to the best, except for 5197 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5198 */ 5199 private int bestDomainVerificationStatus(int status1, int status2) { 5200 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5201 return status2; 5202 } 5203 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5204 return status1; 5205 } 5206 return (int) MathUtils.max(status1, status2); 5207 } 5208 5209 private boolean isUserEnabled(int userId) { 5210 long callingId = Binder.clearCallingIdentity(); 5211 try { 5212 UserInfo userInfo = sUserManager.getUserInfo(userId); 5213 return userInfo != null && userInfo.isEnabled(); 5214 } finally { 5215 Binder.restoreCallingIdentity(callingId); 5216 } 5217 } 5218 5219 /** 5220 * Filter out activities with systemUserOnly flag set, when current user is not System. 5221 * 5222 * @return filtered list 5223 */ 5224 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5225 if (userId == UserHandle.USER_SYSTEM) { 5226 return resolveInfos; 5227 } 5228 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5229 ResolveInfo info = resolveInfos.get(i); 5230 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5231 resolveInfos.remove(i); 5232 } 5233 } 5234 return resolveInfos; 5235 } 5236 5237 /** 5238 * @param resolveInfos list of resolve infos in descending priority order 5239 * @return if the list contains a resolve info with non-negative priority 5240 */ 5241 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5242 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5243 } 5244 5245 private static boolean hasWebURI(Intent intent) { 5246 if (intent.getData() == null) { 5247 return false; 5248 } 5249 final String scheme = intent.getScheme(); 5250 if (TextUtils.isEmpty(scheme)) { 5251 return false; 5252 } 5253 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5254 } 5255 5256 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5257 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5258 int userId) { 5259 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5260 5261 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5262 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5263 candidates.size()); 5264 } 5265 5266 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5267 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5268 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5269 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5270 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5271 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5272 5273 synchronized (mPackages) { 5274 final int count = candidates.size(); 5275 // First, try to use linked apps. Partition the candidates into four lists: 5276 // one for the final results, one for the "do not use ever", one for "undefined status" 5277 // and finally one for "browser app type". 5278 for (int n=0; n<count; n++) { 5279 ResolveInfo info = candidates.get(n); 5280 String packageName = info.activityInfo.packageName; 5281 PackageSetting ps = mSettings.mPackages.get(packageName); 5282 if (ps != null) { 5283 // Add to the special match all list (Browser use case) 5284 if (info.handleAllWebDataURI) { 5285 matchAllList.add(info); 5286 continue; 5287 } 5288 // Try to get the status from User settings first 5289 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5290 int status = (int)(packedStatus >> 32); 5291 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5292 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5293 if (DEBUG_DOMAIN_VERIFICATION) { 5294 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5295 + " : linkgen=" + linkGeneration); 5296 } 5297 // Use link-enabled generation as preferredOrder, i.e. 5298 // prefer newly-enabled over earlier-enabled. 5299 info.preferredOrder = linkGeneration; 5300 alwaysList.add(info); 5301 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5302 if (DEBUG_DOMAIN_VERIFICATION) { 5303 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5304 } 5305 neverList.add(info); 5306 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5307 if (DEBUG_DOMAIN_VERIFICATION) { 5308 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5309 } 5310 alwaysAskList.add(info); 5311 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5312 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5313 if (DEBUG_DOMAIN_VERIFICATION) { 5314 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5315 } 5316 undefinedList.add(info); 5317 } 5318 } 5319 } 5320 5321 // We'll want to include browser possibilities in a few cases 5322 boolean includeBrowser = false; 5323 5324 // First try to add the "always" resolution(s) for the current user, if any 5325 if (alwaysList.size() > 0) { 5326 result.addAll(alwaysList); 5327 } else { 5328 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5329 result.addAll(undefinedList); 5330 // Maybe add one for the other profile. 5331 if (xpDomainInfo != null && ( 5332 xpDomainInfo.bestDomainVerificationStatus 5333 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5334 result.add(xpDomainInfo.resolveInfo); 5335 } 5336 includeBrowser = true; 5337 } 5338 5339 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5340 // If there were 'always' entries their preferred order has been set, so we also 5341 // back that off to make the alternatives equivalent 5342 if (alwaysAskList.size() > 0) { 5343 for (ResolveInfo i : result) { 5344 i.preferredOrder = 0; 5345 } 5346 result.addAll(alwaysAskList); 5347 includeBrowser = true; 5348 } 5349 5350 if (includeBrowser) { 5351 // Also add browsers (all of them or only the default one) 5352 if (DEBUG_DOMAIN_VERIFICATION) { 5353 Slog.v(TAG, " ...including browsers in candidate set"); 5354 } 5355 if ((matchFlags & MATCH_ALL) != 0) { 5356 result.addAll(matchAllList); 5357 } else { 5358 // Browser/generic handling case. If there's a default browser, go straight 5359 // to that (but only if there is no other higher-priority match). 5360 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5361 int maxMatchPrio = 0; 5362 ResolveInfo defaultBrowserMatch = null; 5363 final int numCandidates = matchAllList.size(); 5364 for (int n = 0; n < numCandidates; n++) { 5365 ResolveInfo info = matchAllList.get(n); 5366 // track the highest overall match priority... 5367 if (info.priority > maxMatchPrio) { 5368 maxMatchPrio = info.priority; 5369 } 5370 // ...and the highest-priority default browser match 5371 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5372 if (defaultBrowserMatch == null 5373 || (defaultBrowserMatch.priority < info.priority)) { 5374 if (debug) { 5375 Slog.v(TAG, "Considering default browser match " + info); 5376 } 5377 defaultBrowserMatch = info; 5378 } 5379 } 5380 } 5381 if (defaultBrowserMatch != null 5382 && defaultBrowserMatch.priority >= maxMatchPrio 5383 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5384 { 5385 if (debug) { 5386 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5387 } 5388 result.add(defaultBrowserMatch); 5389 } else { 5390 result.addAll(matchAllList); 5391 } 5392 } 5393 5394 // If there is nothing selected, add all candidates and remove the ones that the user 5395 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5396 if (result.size() == 0) { 5397 result.addAll(candidates); 5398 result.removeAll(neverList); 5399 } 5400 } 5401 } 5402 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5403 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5404 result.size()); 5405 for (ResolveInfo info : result) { 5406 Slog.v(TAG, " + " + info.activityInfo); 5407 } 5408 } 5409 return result; 5410 } 5411 5412 // Returns a packed value as a long: 5413 // 5414 // high 'int'-sized word: link status: undefined/ask/never/always. 5415 // low 'int'-sized word: relative priority among 'always' results. 5416 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5417 long result = ps.getDomainVerificationStatusForUser(userId); 5418 // if none available, get the master status 5419 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5420 if (ps.getIntentFilterVerificationInfo() != null) { 5421 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5422 } 5423 } 5424 return result; 5425 } 5426 5427 private ResolveInfo querySkipCurrentProfileIntents( 5428 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5429 int flags, int sourceUserId) { 5430 if (matchingFilters != null) { 5431 int size = matchingFilters.size(); 5432 for (int i = 0; i < size; i ++) { 5433 CrossProfileIntentFilter filter = matchingFilters.get(i); 5434 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5435 // Checking if there are activities in the target user that can handle the 5436 // intent. 5437 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5438 resolvedType, flags, sourceUserId); 5439 if (resolveInfo != null) { 5440 return resolveInfo; 5441 } 5442 } 5443 } 5444 } 5445 return null; 5446 } 5447 5448 // Return matching ResolveInfo in target user if any. 5449 private ResolveInfo queryCrossProfileIntents( 5450 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5451 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5452 if (matchingFilters != null) { 5453 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5454 // match the same intent. For performance reasons, it is better not to 5455 // run queryIntent twice for the same userId 5456 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5457 int size = matchingFilters.size(); 5458 for (int i = 0; i < size; i++) { 5459 CrossProfileIntentFilter filter = matchingFilters.get(i); 5460 int targetUserId = filter.getTargetUserId(); 5461 boolean skipCurrentProfile = 5462 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5463 boolean skipCurrentProfileIfNoMatchFound = 5464 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5465 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5466 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5467 // Checking if there are activities in the target user that can handle the 5468 // intent. 5469 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5470 resolvedType, flags, sourceUserId); 5471 if (resolveInfo != null) return resolveInfo; 5472 alreadyTriedUserIds.put(targetUserId, true); 5473 } 5474 } 5475 } 5476 return null; 5477 } 5478 5479 /** 5480 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5481 * will forward the intent to the filter's target user. 5482 * Otherwise, returns null. 5483 */ 5484 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5485 String resolvedType, int flags, int sourceUserId) { 5486 int targetUserId = filter.getTargetUserId(); 5487 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5488 resolvedType, flags, targetUserId); 5489 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5490 // If all the matches in the target profile are suspended, return null. 5491 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5492 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5493 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5494 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5495 targetUserId); 5496 } 5497 } 5498 } 5499 return null; 5500 } 5501 5502 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5503 int sourceUserId, int targetUserId) { 5504 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5505 long ident = Binder.clearCallingIdentity(); 5506 boolean targetIsProfile; 5507 try { 5508 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5509 } finally { 5510 Binder.restoreCallingIdentity(ident); 5511 } 5512 String className; 5513 if (targetIsProfile) { 5514 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5515 } else { 5516 className = FORWARD_INTENT_TO_PARENT; 5517 } 5518 ComponentName forwardingActivityComponentName = new ComponentName( 5519 mAndroidApplication.packageName, className); 5520 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5521 sourceUserId); 5522 if (!targetIsProfile) { 5523 forwardingActivityInfo.showUserIcon = targetUserId; 5524 forwardingResolveInfo.noResourceId = true; 5525 } 5526 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5527 forwardingResolveInfo.priority = 0; 5528 forwardingResolveInfo.preferredOrder = 0; 5529 forwardingResolveInfo.match = 0; 5530 forwardingResolveInfo.isDefault = true; 5531 forwardingResolveInfo.filter = filter; 5532 forwardingResolveInfo.targetUserId = targetUserId; 5533 return forwardingResolveInfo; 5534 } 5535 5536 @Override 5537 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5538 Intent[] specifics, String[] specificTypes, Intent intent, 5539 String resolvedType, int flags, int userId) { 5540 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5541 specificTypes, intent, resolvedType, flags, userId)); 5542 } 5543 5544 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5545 Intent[] specifics, String[] specificTypes, Intent intent, 5546 String resolvedType, int flags, int userId) { 5547 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5548 flags = updateFlagsForResolve(flags, userId, intent); 5549 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5550 false /* requireFullPermission */, false /* checkShell */, 5551 "query intent activity options"); 5552 final String resultsAction = intent.getAction(); 5553 5554 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5555 | PackageManager.GET_RESOLVED_FILTER, userId); 5556 5557 if (DEBUG_INTENT_MATCHING) { 5558 Log.v(TAG, "Query " + intent + ": " + results); 5559 } 5560 5561 int specificsPos = 0; 5562 int N; 5563 5564 // todo: note that the algorithm used here is O(N^2). This 5565 // isn't a problem in our current environment, but if we start running 5566 // into situations where we have more than 5 or 10 matches then this 5567 // should probably be changed to something smarter... 5568 5569 // First we go through and resolve each of the specific items 5570 // that were supplied, taking care of removing any corresponding 5571 // duplicate items in the generic resolve list. 5572 if (specifics != null) { 5573 for (int i=0; i<specifics.length; i++) { 5574 final Intent sintent = specifics[i]; 5575 if (sintent == null) { 5576 continue; 5577 } 5578 5579 if (DEBUG_INTENT_MATCHING) { 5580 Log.v(TAG, "Specific #" + i + ": " + sintent); 5581 } 5582 5583 String action = sintent.getAction(); 5584 if (resultsAction != null && resultsAction.equals(action)) { 5585 // If this action was explicitly requested, then don't 5586 // remove things that have it. 5587 action = null; 5588 } 5589 5590 ResolveInfo ri = null; 5591 ActivityInfo ai = null; 5592 5593 ComponentName comp = sintent.getComponent(); 5594 if (comp == null) { 5595 ri = resolveIntent( 5596 sintent, 5597 specificTypes != null ? specificTypes[i] : null, 5598 flags, userId); 5599 if (ri == null) { 5600 continue; 5601 } 5602 if (ri == mResolveInfo) { 5603 // ACK! Must do something better with this. 5604 } 5605 ai = ri.activityInfo; 5606 comp = new ComponentName(ai.applicationInfo.packageName, 5607 ai.name); 5608 } else { 5609 ai = getActivityInfo(comp, flags, userId); 5610 if (ai == null) { 5611 continue; 5612 } 5613 } 5614 5615 // Look for any generic query activities that are duplicates 5616 // of this specific one, and remove them from the results. 5617 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5618 N = results.size(); 5619 int j; 5620 for (j=specificsPos; j<N; j++) { 5621 ResolveInfo sri = results.get(j); 5622 if ((sri.activityInfo.name.equals(comp.getClassName()) 5623 && sri.activityInfo.applicationInfo.packageName.equals( 5624 comp.getPackageName())) 5625 || (action != null && sri.filter.matchAction(action))) { 5626 results.remove(j); 5627 if (DEBUG_INTENT_MATCHING) Log.v( 5628 TAG, "Removing duplicate item from " + j 5629 + " due to specific " + specificsPos); 5630 if (ri == null) { 5631 ri = sri; 5632 } 5633 j--; 5634 N--; 5635 } 5636 } 5637 5638 // Add this specific item to its proper place. 5639 if (ri == null) { 5640 ri = new ResolveInfo(); 5641 ri.activityInfo = ai; 5642 } 5643 results.add(specificsPos, ri); 5644 ri.specificIndex = i; 5645 specificsPos++; 5646 } 5647 } 5648 5649 // Now we go through the remaining generic results and remove any 5650 // duplicate actions that are found here. 5651 N = results.size(); 5652 for (int i=specificsPos; i<N-1; i++) { 5653 final ResolveInfo rii = results.get(i); 5654 if (rii.filter == null) { 5655 continue; 5656 } 5657 5658 // Iterate over all of the actions of this result's intent 5659 // filter... typically this should be just one. 5660 final Iterator<String> it = rii.filter.actionsIterator(); 5661 if (it == null) { 5662 continue; 5663 } 5664 while (it.hasNext()) { 5665 final String action = it.next(); 5666 if (resultsAction != null && resultsAction.equals(action)) { 5667 // If this action was explicitly requested, then don't 5668 // remove things that have it. 5669 continue; 5670 } 5671 for (int j=i+1; j<N; j++) { 5672 final ResolveInfo rij = results.get(j); 5673 if (rij.filter != null && rij.filter.hasAction(action)) { 5674 results.remove(j); 5675 if (DEBUG_INTENT_MATCHING) Log.v( 5676 TAG, "Removing duplicate item from " + j 5677 + " due to action " + action + " at " + i); 5678 j--; 5679 N--; 5680 } 5681 } 5682 } 5683 5684 // If the caller didn't request filter information, drop it now 5685 // so we don't have to marshall/unmarshall it. 5686 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5687 rii.filter = null; 5688 } 5689 } 5690 5691 // Filter out the caller activity if so requested. 5692 if (caller != null) { 5693 N = results.size(); 5694 for (int i=0; i<N; i++) { 5695 ActivityInfo ainfo = results.get(i).activityInfo; 5696 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5697 && caller.getClassName().equals(ainfo.name)) { 5698 results.remove(i); 5699 break; 5700 } 5701 } 5702 } 5703 5704 // If the caller didn't request filter information, 5705 // drop them now so we don't have to 5706 // marshall/unmarshall it. 5707 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5708 N = results.size(); 5709 for (int i=0; i<N; i++) { 5710 results.get(i).filter = null; 5711 } 5712 } 5713 5714 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5715 return results; 5716 } 5717 5718 @Override 5719 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5720 String resolvedType, int flags, int userId) { 5721 return new ParceledListSlice<>( 5722 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5723 } 5724 5725 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5726 String resolvedType, int flags, int userId) { 5727 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5728 flags = updateFlagsForResolve(flags, userId, intent); 5729 ComponentName comp = intent.getComponent(); 5730 if (comp == null) { 5731 if (intent.getSelector() != null) { 5732 intent = intent.getSelector(); 5733 comp = intent.getComponent(); 5734 } 5735 } 5736 if (comp != null) { 5737 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5738 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5739 if (ai != null) { 5740 ResolveInfo ri = new ResolveInfo(); 5741 ri.activityInfo = ai; 5742 list.add(ri); 5743 } 5744 return list; 5745 } 5746 5747 // reader 5748 synchronized (mPackages) { 5749 String pkgName = intent.getPackage(); 5750 if (pkgName == null) { 5751 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5752 } 5753 final PackageParser.Package pkg = mPackages.get(pkgName); 5754 if (pkg != null) { 5755 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5756 userId); 5757 } 5758 return Collections.emptyList(); 5759 } 5760 } 5761 5762 @Override 5763 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5764 if (!sUserManager.exists(userId)) return null; 5765 flags = updateFlagsForResolve(flags, userId, intent); 5766 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5767 if (query != null) { 5768 if (query.size() >= 1) { 5769 // If there is more than one service with the same priority, 5770 // just arbitrarily pick the first one. 5771 return query.get(0); 5772 } 5773 } 5774 return null; 5775 } 5776 5777 @Override 5778 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5779 String resolvedType, int flags, int userId) { 5780 return new ParceledListSlice<>( 5781 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5782 } 5783 5784 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5785 String resolvedType, int flags, int userId) { 5786 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5787 flags = updateFlagsForResolve(flags, userId, intent); 5788 ComponentName comp = intent.getComponent(); 5789 if (comp == null) { 5790 if (intent.getSelector() != null) { 5791 intent = intent.getSelector(); 5792 comp = intent.getComponent(); 5793 } 5794 } 5795 if (comp != null) { 5796 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5797 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5798 if (si != null) { 5799 final ResolveInfo ri = new ResolveInfo(); 5800 ri.serviceInfo = si; 5801 list.add(ri); 5802 } 5803 return list; 5804 } 5805 5806 // reader 5807 synchronized (mPackages) { 5808 String pkgName = intent.getPackage(); 5809 if (pkgName == null) { 5810 return mServices.queryIntent(intent, resolvedType, flags, userId); 5811 } 5812 final PackageParser.Package pkg = mPackages.get(pkgName); 5813 if (pkg != null) { 5814 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5815 userId); 5816 } 5817 return Collections.emptyList(); 5818 } 5819 } 5820 5821 @Override 5822 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 5823 String resolvedType, int flags, int userId) { 5824 return new ParceledListSlice<>( 5825 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 5826 } 5827 5828 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 5829 Intent intent, String resolvedType, int flags, int userId) { 5830 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5831 flags = updateFlagsForResolve(flags, userId, intent); 5832 ComponentName comp = intent.getComponent(); 5833 if (comp == null) { 5834 if (intent.getSelector() != null) { 5835 intent = intent.getSelector(); 5836 comp = intent.getComponent(); 5837 } 5838 } 5839 if (comp != null) { 5840 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5841 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5842 if (pi != null) { 5843 final ResolveInfo ri = new ResolveInfo(); 5844 ri.providerInfo = pi; 5845 list.add(ri); 5846 } 5847 return list; 5848 } 5849 5850 // reader 5851 synchronized (mPackages) { 5852 String pkgName = intent.getPackage(); 5853 if (pkgName == null) { 5854 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5855 } 5856 final PackageParser.Package pkg = mPackages.get(pkgName); 5857 if (pkg != null) { 5858 return mProviders.queryIntentForPackage( 5859 intent, resolvedType, flags, pkg.providers, userId); 5860 } 5861 return Collections.emptyList(); 5862 } 5863 } 5864 5865 @Override 5866 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5867 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5868 flags = updateFlagsForPackage(flags, userId, null); 5869 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5870 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5871 true /* requireFullPermission */, false /* checkShell */, 5872 "get installed packages"); 5873 5874 // writer 5875 synchronized (mPackages) { 5876 ArrayList<PackageInfo> list; 5877 if (listUninstalled) { 5878 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5879 for (PackageSetting ps : mSettings.mPackages.values()) { 5880 PackageInfo pi; 5881 if (ps.pkg != null) { 5882 pi = generatePackageInfo(ps.pkg, flags, userId); 5883 } else { 5884 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5885 } 5886 if (pi != null) { 5887 list.add(pi); 5888 } 5889 } 5890 } else { 5891 list = new ArrayList<PackageInfo>(mPackages.size()); 5892 for (PackageParser.Package p : mPackages.values()) { 5893 PackageInfo pi = generatePackageInfo(p, flags, userId); 5894 if (pi != null) { 5895 list.add(pi); 5896 } 5897 } 5898 } 5899 5900 return new ParceledListSlice<PackageInfo>(list); 5901 } 5902 } 5903 5904 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5905 String[] permissions, boolean[] tmp, int flags, int userId) { 5906 int numMatch = 0; 5907 final PermissionsState permissionsState = ps.getPermissionsState(); 5908 for (int i=0; i<permissions.length; i++) { 5909 final String permission = permissions[i]; 5910 if (permissionsState.hasPermission(permission, userId)) { 5911 tmp[i] = true; 5912 numMatch++; 5913 } else { 5914 tmp[i] = false; 5915 } 5916 } 5917 if (numMatch == 0) { 5918 return; 5919 } 5920 PackageInfo pi; 5921 if (ps.pkg != null) { 5922 pi = generatePackageInfo(ps.pkg, flags, userId); 5923 } else { 5924 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5925 } 5926 // The above might return null in cases of uninstalled apps or install-state 5927 // skew across users/profiles. 5928 if (pi != null) { 5929 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5930 if (numMatch == permissions.length) { 5931 pi.requestedPermissions = permissions; 5932 } else { 5933 pi.requestedPermissions = new String[numMatch]; 5934 numMatch = 0; 5935 for (int i=0; i<permissions.length; i++) { 5936 if (tmp[i]) { 5937 pi.requestedPermissions[numMatch] = permissions[i]; 5938 numMatch++; 5939 } 5940 } 5941 } 5942 } 5943 list.add(pi); 5944 } 5945 } 5946 5947 @Override 5948 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5949 String[] permissions, int flags, int userId) { 5950 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5951 flags = updateFlagsForPackage(flags, userId, permissions); 5952 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5953 5954 // writer 5955 synchronized (mPackages) { 5956 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5957 boolean[] tmpBools = new boolean[permissions.length]; 5958 if (listUninstalled) { 5959 for (PackageSetting ps : mSettings.mPackages.values()) { 5960 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5961 } 5962 } else { 5963 for (PackageParser.Package pkg : mPackages.values()) { 5964 PackageSetting ps = (PackageSetting)pkg.mExtras; 5965 if (ps != null) { 5966 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5967 userId); 5968 } 5969 } 5970 } 5971 5972 return new ParceledListSlice<PackageInfo>(list); 5973 } 5974 } 5975 5976 @Override 5977 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5978 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5979 flags = updateFlagsForApplication(flags, userId, null); 5980 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5981 5982 // writer 5983 synchronized (mPackages) { 5984 ArrayList<ApplicationInfo> list; 5985 if (listUninstalled) { 5986 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5987 for (PackageSetting ps : mSettings.mPackages.values()) { 5988 ApplicationInfo ai; 5989 if (ps.pkg != null) { 5990 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5991 ps.readUserState(userId), userId); 5992 } else { 5993 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5994 } 5995 if (ai != null) { 5996 list.add(ai); 5997 } 5998 } 5999 } else { 6000 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6001 for (PackageParser.Package p : mPackages.values()) { 6002 if (p.mExtras != null) { 6003 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6004 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6005 if (ai != null) { 6006 list.add(ai); 6007 } 6008 } 6009 } 6010 } 6011 6012 return new ParceledListSlice<ApplicationInfo>(list); 6013 } 6014 } 6015 6016 @Override 6017 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6018 if (DISABLE_EPHEMERAL_APPS) { 6019 return null; 6020 } 6021 6022 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6023 "getEphemeralApplications"); 6024 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6025 true /* requireFullPermission */, false /* checkShell */, 6026 "getEphemeralApplications"); 6027 synchronized (mPackages) { 6028 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6029 .getEphemeralApplicationsLPw(userId); 6030 if (ephemeralApps != null) { 6031 return new ParceledListSlice<>(ephemeralApps); 6032 } 6033 } 6034 return null; 6035 } 6036 6037 @Override 6038 public boolean isEphemeralApplication(String packageName, int userId) { 6039 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6040 true /* requireFullPermission */, false /* checkShell */, 6041 "isEphemeral"); 6042 if (DISABLE_EPHEMERAL_APPS) { 6043 return false; 6044 } 6045 6046 if (!isCallerSameApp(packageName)) { 6047 return false; 6048 } 6049 synchronized (mPackages) { 6050 PackageParser.Package pkg = mPackages.get(packageName); 6051 if (pkg != null) { 6052 return pkg.applicationInfo.isEphemeralApp(); 6053 } 6054 } 6055 return false; 6056 } 6057 6058 @Override 6059 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6060 if (DISABLE_EPHEMERAL_APPS) { 6061 return null; 6062 } 6063 6064 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6065 true /* requireFullPermission */, false /* checkShell */, 6066 "getCookie"); 6067 if (!isCallerSameApp(packageName)) { 6068 return null; 6069 } 6070 synchronized (mPackages) { 6071 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6072 packageName, userId); 6073 } 6074 } 6075 6076 @Override 6077 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6078 if (DISABLE_EPHEMERAL_APPS) { 6079 return true; 6080 } 6081 6082 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6083 true /* requireFullPermission */, true /* checkShell */, 6084 "setCookie"); 6085 if (!isCallerSameApp(packageName)) { 6086 return false; 6087 } 6088 synchronized (mPackages) { 6089 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6090 packageName, cookie, userId); 6091 } 6092 } 6093 6094 @Override 6095 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6096 if (DISABLE_EPHEMERAL_APPS) { 6097 return null; 6098 } 6099 6100 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6101 "getEphemeralApplicationIcon"); 6102 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6103 true /* requireFullPermission */, false /* checkShell */, 6104 "getEphemeralApplicationIcon"); 6105 synchronized (mPackages) { 6106 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6107 packageName, userId); 6108 } 6109 } 6110 6111 private boolean isCallerSameApp(String packageName) { 6112 PackageParser.Package pkg = mPackages.get(packageName); 6113 return pkg != null 6114 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6115 } 6116 6117 @Override 6118 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6119 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6120 } 6121 6122 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6123 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6124 6125 // reader 6126 synchronized (mPackages) { 6127 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6128 final int userId = UserHandle.getCallingUserId(); 6129 while (i.hasNext()) { 6130 final PackageParser.Package p = i.next(); 6131 if (p.applicationInfo == null) continue; 6132 6133 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6134 && !p.applicationInfo.isDirectBootAware(); 6135 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6136 && p.applicationInfo.isDirectBootAware(); 6137 6138 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6139 && (!mSafeMode || isSystemApp(p)) 6140 && (matchesUnaware || matchesAware)) { 6141 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6142 if (ps != null) { 6143 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6144 ps.readUserState(userId), userId); 6145 if (ai != null) { 6146 finalList.add(ai); 6147 } 6148 } 6149 } 6150 } 6151 } 6152 6153 return finalList; 6154 } 6155 6156 @Override 6157 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6158 if (!sUserManager.exists(userId)) return null; 6159 flags = updateFlagsForComponent(flags, userId, name); 6160 // reader 6161 synchronized (mPackages) { 6162 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6163 PackageSetting ps = provider != null 6164 ? mSettings.mPackages.get(provider.owner.packageName) 6165 : null; 6166 return ps != null 6167 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6168 ? PackageParser.generateProviderInfo(provider, flags, 6169 ps.readUserState(userId), userId) 6170 : null; 6171 } 6172 } 6173 6174 /** 6175 * @deprecated 6176 */ 6177 @Deprecated 6178 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6179 // reader 6180 synchronized (mPackages) { 6181 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6182 .entrySet().iterator(); 6183 final int userId = UserHandle.getCallingUserId(); 6184 while (i.hasNext()) { 6185 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6186 PackageParser.Provider p = entry.getValue(); 6187 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6188 6189 if (ps != null && p.syncable 6190 && (!mSafeMode || (p.info.applicationInfo.flags 6191 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6192 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6193 ps.readUserState(userId), userId); 6194 if (info != null) { 6195 outNames.add(entry.getKey()); 6196 outInfo.add(info); 6197 } 6198 } 6199 } 6200 } 6201 } 6202 6203 @Override 6204 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6205 int uid, int flags) { 6206 final int userId = processName != null ? UserHandle.getUserId(uid) 6207 : UserHandle.getCallingUserId(); 6208 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6209 flags = updateFlagsForComponent(flags, userId, processName); 6210 6211 ArrayList<ProviderInfo> finalList = null; 6212 // reader 6213 synchronized (mPackages) { 6214 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6215 while (i.hasNext()) { 6216 final PackageParser.Provider p = i.next(); 6217 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6218 if (ps != null && p.info.authority != null 6219 && (processName == null 6220 || (p.info.processName.equals(processName) 6221 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6222 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6223 if (finalList == null) { 6224 finalList = new ArrayList<ProviderInfo>(3); 6225 } 6226 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6227 ps.readUserState(userId), userId); 6228 if (info != null) { 6229 finalList.add(info); 6230 } 6231 } 6232 } 6233 } 6234 6235 if (finalList != null) { 6236 Collections.sort(finalList, mProviderInitOrderSorter); 6237 return new ParceledListSlice<ProviderInfo>(finalList); 6238 } 6239 6240 return ParceledListSlice.emptyList(); 6241 } 6242 6243 @Override 6244 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6245 // reader 6246 synchronized (mPackages) { 6247 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6248 return PackageParser.generateInstrumentationInfo(i, flags); 6249 } 6250 } 6251 6252 @Override 6253 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6254 String targetPackage, int flags) { 6255 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6256 } 6257 6258 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6259 int flags) { 6260 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6261 6262 // reader 6263 synchronized (mPackages) { 6264 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6265 while (i.hasNext()) { 6266 final PackageParser.Instrumentation p = i.next(); 6267 if (targetPackage == null 6268 || targetPackage.equals(p.info.targetPackage)) { 6269 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6270 flags); 6271 if (ii != null) { 6272 finalList.add(ii); 6273 } 6274 } 6275 } 6276 } 6277 6278 return finalList; 6279 } 6280 6281 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6282 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6283 if (overlays == null) { 6284 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6285 return; 6286 } 6287 for (PackageParser.Package opkg : overlays.values()) { 6288 // Not much to do if idmap fails: we already logged the error 6289 // and we certainly don't want to abort installation of pkg simply 6290 // because an overlay didn't fit properly. For these reasons, 6291 // ignore the return value of createIdmapForPackagePairLI. 6292 createIdmapForPackagePairLI(pkg, opkg); 6293 } 6294 } 6295 6296 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6297 PackageParser.Package opkg) { 6298 if (!opkg.mTrustedOverlay) { 6299 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6300 opkg.baseCodePath + ": overlay not trusted"); 6301 return false; 6302 } 6303 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6304 if (overlaySet == null) { 6305 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6306 opkg.baseCodePath + " but target package has no known overlays"); 6307 return false; 6308 } 6309 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6310 // TODO: generate idmap for split APKs 6311 try { 6312 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6313 } catch (InstallerException e) { 6314 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6315 + opkg.baseCodePath); 6316 return false; 6317 } 6318 PackageParser.Package[] overlayArray = 6319 overlaySet.values().toArray(new PackageParser.Package[0]); 6320 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6321 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6322 return p1.mOverlayPriority - p2.mOverlayPriority; 6323 } 6324 }; 6325 Arrays.sort(overlayArray, cmp); 6326 6327 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6328 int i = 0; 6329 for (PackageParser.Package p : overlayArray) { 6330 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6331 } 6332 return true; 6333 } 6334 6335 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6336 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6337 try { 6338 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6339 } finally { 6340 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6341 } 6342 } 6343 6344 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6345 final File[] files = dir.listFiles(); 6346 if (ArrayUtils.isEmpty(files)) { 6347 Log.d(TAG, "No files in app dir " + dir); 6348 return; 6349 } 6350 6351 if (DEBUG_PACKAGE_SCANNING) { 6352 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6353 + " flags=0x" + Integer.toHexString(parseFlags)); 6354 } 6355 6356 for (File file : files) { 6357 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6358 && !PackageInstallerService.isStageName(file.getName()); 6359 if (!isPackage) { 6360 // Ignore entries which are not packages 6361 continue; 6362 } 6363 try { 6364 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6365 scanFlags, currentTime, null); 6366 } catch (PackageManagerException e) { 6367 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6368 6369 // Delete invalid userdata apps 6370 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6371 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6372 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6373 removeCodePathLI(file); 6374 } 6375 } 6376 } 6377 } 6378 6379 private static File getSettingsProblemFile() { 6380 File dataDir = Environment.getDataDirectory(); 6381 File systemDir = new File(dataDir, "system"); 6382 File fname = new File(systemDir, "uiderrors.txt"); 6383 return fname; 6384 } 6385 6386 static void reportSettingsProblem(int priority, String msg) { 6387 logCriticalInfo(priority, msg); 6388 } 6389 6390 static void logCriticalInfo(int priority, String msg) { 6391 Slog.println(priority, TAG, msg); 6392 EventLogTags.writePmCriticalInfo(msg); 6393 try { 6394 File fname = getSettingsProblemFile(); 6395 FileOutputStream out = new FileOutputStream(fname, true); 6396 PrintWriter pw = new FastPrintWriter(out); 6397 SimpleDateFormat formatter = new SimpleDateFormat(); 6398 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6399 pw.println(dateString + ": " + msg); 6400 pw.close(); 6401 FileUtils.setPermissions( 6402 fname.toString(), 6403 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6404 -1, -1); 6405 } catch (java.io.IOException e) { 6406 } 6407 } 6408 6409 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6410 int parseFlags) throws PackageManagerException { 6411 if (ps != null 6412 && ps.codePath.equals(srcFile) 6413 && ps.timeStamp == srcFile.lastModified() 6414 && !isCompatSignatureUpdateNeeded(pkg) 6415 && !isRecoverSignatureUpdateNeeded(pkg)) { 6416 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6417 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6418 ArraySet<PublicKey> signingKs; 6419 synchronized (mPackages) { 6420 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6421 } 6422 if (ps.signatures.mSignatures != null 6423 && ps.signatures.mSignatures.length != 0 6424 && signingKs != null) { 6425 // Optimization: reuse the existing cached certificates 6426 // if the package appears to be unchanged. 6427 pkg.mSignatures = ps.signatures.mSignatures; 6428 pkg.mSigningKeys = signingKs; 6429 return; 6430 } 6431 6432 Slog.w(TAG, "PackageSetting for " + ps.name 6433 + " is missing signatures. Collecting certs again to recover them."); 6434 } else { 6435 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6436 } 6437 6438 try { 6439 PackageParser.collectCertificates(pkg, parseFlags); 6440 } catch (PackageParserException e) { 6441 throw PackageManagerException.from(e); 6442 } 6443 } 6444 6445 /** 6446 * Traces a package scan. 6447 * @see #scanPackageLI(File, int, int, long, UserHandle) 6448 */ 6449 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6450 long currentTime, UserHandle user) throws PackageManagerException { 6451 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6452 try { 6453 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6454 } finally { 6455 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6456 } 6457 } 6458 6459 /** 6460 * Scans a package and returns the newly parsed package. 6461 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6462 */ 6463 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6464 long currentTime, UserHandle user) throws PackageManagerException { 6465 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6466 parseFlags |= mDefParseFlags; 6467 PackageParser pp = new PackageParser(); 6468 pp.setSeparateProcesses(mSeparateProcesses); 6469 pp.setOnlyCoreApps(mOnlyCore); 6470 pp.setDisplayMetrics(mMetrics); 6471 6472 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6473 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6474 } 6475 6476 final PackageParser.Package pkg; 6477 try { 6478 pkg = pp.parsePackage(scanFile, parseFlags); 6479 } catch (PackageParserException e) { 6480 throw PackageManagerException.from(e); 6481 } 6482 6483 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6484 } 6485 6486 /** 6487 * Scans a package and returns the newly parsed package. 6488 * @throws PackageManagerException on a parse error. 6489 */ 6490 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6491 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6492 throws PackageManagerException { 6493 // If the package has children and this is the first dive in the function 6494 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6495 // packages (parent and children) would be successfully scanned before the 6496 // actual scan since scanning mutates internal state and we want to atomically 6497 // install the package and its children. 6498 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6499 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6500 scanFlags |= SCAN_CHECK_ONLY; 6501 } 6502 } else { 6503 scanFlags &= ~SCAN_CHECK_ONLY; 6504 } 6505 6506 // Scan the parent 6507 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6508 scanFlags, currentTime, user); 6509 6510 // Scan the children 6511 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6512 for (int i = 0; i < childCount; i++) { 6513 PackageParser.Package childPackage = pkg.childPackages.get(i); 6514 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6515 currentTime, user); 6516 } 6517 6518 6519 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6520 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6521 } 6522 6523 return scannedPkg; 6524 } 6525 6526 /** 6527 * Scans a package and returns the newly parsed package. 6528 * @throws PackageManagerException on a parse error. 6529 */ 6530 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6531 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6532 throws PackageManagerException { 6533 PackageSetting ps = null; 6534 PackageSetting updatedPkg; 6535 // reader 6536 synchronized (mPackages) { 6537 // Look to see if we already know about this package. 6538 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6539 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6540 // This package has been renamed to its original name. Let's 6541 // use that. 6542 ps = mSettings.peekPackageLPr(oldName); 6543 } 6544 // If there was no original package, see one for the real package name. 6545 if (ps == null) { 6546 ps = mSettings.peekPackageLPr(pkg.packageName); 6547 } 6548 // Check to see if this package could be hiding/updating a system 6549 // package. Must look for it either under the original or real 6550 // package name depending on our state. 6551 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6552 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6553 6554 // If this is a package we don't know about on the system partition, we 6555 // may need to remove disabled child packages on the system partition 6556 // or may need to not add child packages if the parent apk is updated 6557 // on the data partition and no longer defines this child package. 6558 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6559 // If this is a parent package for an updated system app and this system 6560 // app got an OTA update which no longer defines some of the child packages 6561 // we have to prune them from the disabled system packages. 6562 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6563 if (disabledPs != null) { 6564 final int scannedChildCount = (pkg.childPackages != null) 6565 ? pkg.childPackages.size() : 0; 6566 final int disabledChildCount = disabledPs.childPackageNames != null 6567 ? disabledPs.childPackageNames.size() : 0; 6568 for (int i = 0; i < disabledChildCount; i++) { 6569 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6570 boolean disabledPackageAvailable = false; 6571 for (int j = 0; j < scannedChildCount; j++) { 6572 PackageParser.Package childPkg = pkg.childPackages.get(j); 6573 if (childPkg.packageName.equals(disabledChildPackageName)) { 6574 disabledPackageAvailable = true; 6575 break; 6576 } 6577 } 6578 if (!disabledPackageAvailable) { 6579 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6580 } 6581 } 6582 } 6583 } 6584 } 6585 6586 boolean updatedPkgBetter = false; 6587 // First check if this is a system package that may involve an update 6588 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6589 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6590 // it needs to drop FLAG_PRIVILEGED. 6591 if (locationIsPrivileged(scanFile)) { 6592 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6593 } else { 6594 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6595 } 6596 6597 if (ps != null && !ps.codePath.equals(scanFile)) { 6598 // The path has changed from what was last scanned... check the 6599 // version of the new path against what we have stored to determine 6600 // what to do. 6601 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6602 if (pkg.mVersionCode <= ps.versionCode) { 6603 // The system package has been updated and the code path does not match 6604 // Ignore entry. Skip it. 6605 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6606 + " ignored: updated version " + ps.versionCode 6607 + " better than this " + pkg.mVersionCode); 6608 if (!updatedPkg.codePath.equals(scanFile)) { 6609 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6610 + ps.name + " changing from " + updatedPkg.codePathString 6611 + " to " + scanFile); 6612 updatedPkg.codePath = scanFile; 6613 updatedPkg.codePathString = scanFile.toString(); 6614 updatedPkg.resourcePath = scanFile; 6615 updatedPkg.resourcePathString = scanFile.toString(); 6616 } 6617 updatedPkg.pkg = pkg; 6618 updatedPkg.versionCode = pkg.mVersionCode; 6619 6620 // Update the disabled system child packages to point to the package too. 6621 final int childCount = updatedPkg.childPackageNames != null 6622 ? updatedPkg.childPackageNames.size() : 0; 6623 for (int i = 0; i < childCount; i++) { 6624 String childPackageName = updatedPkg.childPackageNames.get(i); 6625 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6626 childPackageName); 6627 if (updatedChildPkg != null) { 6628 updatedChildPkg.pkg = pkg; 6629 updatedChildPkg.versionCode = pkg.mVersionCode; 6630 } 6631 } 6632 6633 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6634 + scanFile + " ignored: updated version " + ps.versionCode 6635 + " better than this " + pkg.mVersionCode); 6636 } else { 6637 // The current app on the system partition is better than 6638 // what we have updated to on the data partition; switch 6639 // back to the system partition version. 6640 // At this point, its safely assumed that package installation for 6641 // apps in system partition will go through. If not there won't be a working 6642 // version of the app 6643 // writer 6644 synchronized (mPackages) { 6645 // Just remove the loaded entries from package lists. 6646 mPackages.remove(ps.name); 6647 } 6648 6649 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6650 + " reverting from " + ps.codePathString 6651 + ": new version " + pkg.mVersionCode 6652 + " better than installed " + ps.versionCode); 6653 6654 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6655 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6656 synchronized (mInstallLock) { 6657 args.cleanUpResourcesLI(); 6658 } 6659 synchronized (mPackages) { 6660 mSettings.enableSystemPackageLPw(ps.name); 6661 } 6662 updatedPkgBetter = true; 6663 } 6664 } 6665 } 6666 6667 if (updatedPkg != null) { 6668 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6669 // initially 6670 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6671 6672 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6673 // flag set initially 6674 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6675 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6676 } 6677 } 6678 6679 // Verify certificates against what was last scanned 6680 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6681 6682 /* 6683 * A new system app appeared, but we already had a non-system one of the 6684 * same name installed earlier. 6685 */ 6686 boolean shouldHideSystemApp = false; 6687 if (updatedPkg == null && ps != null 6688 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6689 /* 6690 * Check to make sure the signatures match first. If they don't, 6691 * wipe the installed application and its data. 6692 */ 6693 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6694 != PackageManager.SIGNATURE_MATCH) { 6695 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6696 + " signatures don't match existing userdata copy; removing"); 6697 deletePackageLI(pkg.packageName, null, true, null, 0, null, false, null); 6698 ps = null; 6699 } else { 6700 /* 6701 * If the newly-added system app is an older version than the 6702 * already installed version, hide it. It will be scanned later 6703 * and re-added like an update. 6704 */ 6705 if (pkg.mVersionCode <= ps.versionCode) { 6706 shouldHideSystemApp = true; 6707 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6708 + " but new version " + pkg.mVersionCode + " better than installed " 6709 + ps.versionCode + "; hiding system"); 6710 } else { 6711 /* 6712 * The newly found system app is a newer version that the 6713 * one previously installed. Simply remove the 6714 * already-installed application and replace it with our own 6715 * while keeping the application data. 6716 */ 6717 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6718 + " reverting from " + ps.codePathString + ": new version " 6719 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6720 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6721 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6722 synchronized (mInstallLock) { 6723 args.cleanUpResourcesLI(); 6724 } 6725 } 6726 } 6727 } 6728 6729 // The apk is forward locked (not public) if its code and resources 6730 // are kept in different files. (except for app in either system or 6731 // vendor path). 6732 // TODO grab this value from PackageSettings 6733 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6734 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6735 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6736 } 6737 } 6738 6739 // TODO: extend to support forward-locked splits 6740 String resourcePath = null; 6741 String baseResourcePath = null; 6742 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6743 if (ps != null && ps.resourcePathString != null) { 6744 resourcePath = ps.resourcePathString; 6745 baseResourcePath = ps.resourcePathString; 6746 } else { 6747 // Should not happen at all. Just log an error. 6748 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6749 } 6750 } else { 6751 resourcePath = pkg.codePath; 6752 baseResourcePath = pkg.baseCodePath; 6753 } 6754 6755 // Set application objects path explicitly. 6756 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6757 pkg.setApplicationInfoCodePath(pkg.codePath); 6758 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6759 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6760 pkg.setApplicationInfoResourcePath(resourcePath); 6761 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6762 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6763 6764 // Note that we invoke the following method only if we are about to unpack an application 6765 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6766 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6767 6768 /* 6769 * If the system app should be overridden by a previously installed 6770 * data, hide the system app now and let the /data/app scan pick it up 6771 * again. 6772 */ 6773 if (shouldHideSystemApp) { 6774 synchronized (mPackages) { 6775 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6776 } 6777 } 6778 6779 return scannedPkg; 6780 } 6781 6782 private static String fixProcessName(String defProcessName, 6783 String processName, int uid) { 6784 if (processName == null) { 6785 return defProcessName; 6786 } 6787 return processName; 6788 } 6789 6790 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6791 throws PackageManagerException { 6792 if (pkgSetting.signatures.mSignatures != null) { 6793 // Already existing package. Make sure signatures match 6794 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6795 == PackageManager.SIGNATURE_MATCH; 6796 if (!match) { 6797 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6798 == PackageManager.SIGNATURE_MATCH; 6799 } 6800 if (!match) { 6801 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6802 == PackageManager.SIGNATURE_MATCH; 6803 } 6804 if (!match) { 6805 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6806 + pkg.packageName + " signatures do not match the " 6807 + "previously installed version; ignoring!"); 6808 } 6809 } 6810 6811 // Check for shared user signatures 6812 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6813 // Already existing package. Make sure signatures match 6814 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6815 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6816 if (!match) { 6817 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6818 == PackageManager.SIGNATURE_MATCH; 6819 } 6820 if (!match) { 6821 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6822 == PackageManager.SIGNATURE_MATCH; 6823 } 6824 if (!match) { 6825 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6826 "Package " + pkg.packageName 6827 + " has no signatures that match those in shared user " 6828 + pkgSetting.sharedUser.name + "; ignoring!"); 6829 } 6830 } 6831 } 6832 6833 /** 6834 * Enforces that only the system UID or root's UID can call a method exposed 6835 * via Binder. 6836 * 6837 * @param message used as message if SecurityException is thrown 6838 * @throws SecurityException if the caller is not system or root 6839 */ 6840 private static final void enforceSystemOrRoot(String message) { 6841 final int uid = Binder.getCallingUid(); 6842 if (uid != Process.SYSTEM_UID && uid != 0) { 6843 throw new SecurityException(message); 6844 } 6845 } 6846 6847 @Override 6848 public void performFstrimIfNeeded() { 6849 enforceSystemOrRoot("Only the system can request fstrim"); 6850 6851 // Before everything else, see whether we need to fstrim. 6852 try { 6853 IMountService ms = PackageHelper.getMountService(); 6854 if (ms != null) { 6855 final boolean isUpgrade = isUpgrade(); 6856 boolean doTrim = isUpgrade; 6857 if (doTrim) { 6858 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6859 } else { 6860 final long interval = android.provider.Settings.Global.getLong( 6861 mContext.getContentResolver(), 6862 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6863 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6864 if (interval > 0) { 6865 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6866 if (timeSinceLast > interval) { 6867 doTrim = true; 6868 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6869 + "; running immediately"); 6870 } 6871 } 6872 } 6873 if (doTrim) { 6874 if (!isFirstBoot()) { 6875 try { 6876 ActivityManagerNative.getDefault().showBootMessage( 6877 mContext.getResources().getString( 6878 R.string.android_upgrading_fstrim), true); 6879 } catch (RemoteException e) { 6880 } 6881 } 6882 ms.runMaintenance(); 6883 } 6884 } else { 6885 Slog.e(TAG, "Mount service unavailable!"); 6886 } 6887 } catch (RemoteException e) { 6888 // Can't happen; MountService is local 6889 } 6890 } 6891 6892 @Override 6893 public void extractPackagesIfNeeded() { 6894 enforceSystemOrRoot("Only the system can request package extraction"); 6895 6896 // Extract pacakges only if profile-guided compilation is enabled because 6897 // otherwise BackgroundDexOptService will not dexopt them later. 6898 boolean prunedCache = VMRuntime.didPruneDalvikCache(); 6899 if (!isUpgrade() && !prunedCache) { 6900 return; 6901 } 6902 6903 List<PackageParser.Package> pkgs; 6904 synchronized (mPackages) { 6905 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 6906 } 6907 6908 int curr = 0; 6909 int total = pkgs.size(); 6910 for (PackageParser.Package pkg : pkgs) { 6911 curr++; 6912 6913 if (DEBUG_DEXOPT) { 6914 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 6915 } 6916 6917 if (!isFirstBoot()) { 6918 try { 6919 ActivityManagerNative.getDefault().showBootMessage( 6920 mContext.getResources().getString(R.string.android_upgrading_apk, 6921 curr, total), true); 6922 } catch (RemoteException e) { 6923 } 6924 } 6925 6926 if (PackageDexOptimizer.canOptimizePackage(pkg)) { 6927 // If the cache was pruned, any compiled odex files will likely be out of date 6928 // and would have to be patched (would be SELF_PATCHOAT, which is deprecated). 6929 // Instead, force the extraction in this case. 6930 performDexOpt(pkg.packageName, null /* instructionSet */, 6931 false /* useProfiles */, true /* extractOnly */, prunedCache); 6932 } 6933 } 6934 } 6935 6936 @Override 6937 public void notifyPackageUse(String packageName) { 6938 synchronized (mPackages) { 6939 PackageParser.Package p = mPackages.get(packageName); 6940 if (p == null) { 6941 return; 6942 } 6943 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6944 } 6945 } 6946 6947 // TODO: this is not used nor needed. Delete it. 6948 @Override 6949 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6950 return performDexOptTraced(packageName, instructionSet, false /* useProfiles */, 6951 false /* extractOnly */, false /* force */); 6952 } 6953 6954 @Override 6955 public boolean performDexOpt(String packageName, String instructionSet, boolean useProfiles, 6956 boolean extractOnly, boolean force) { 6957 return performDexOptTraced(packageName, instructionSet, useProfiles, extractOnly, force); 6958 } 6959 6960 private boolean performDexOptTraced(String packageName, String instructionSet, 6961 boolean useProfiles, boolean extractOnly, boolean force) { 6962 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6963 try { 6964 return performDexOptInternal(packageName, instructionSet, useProfiles, extractOnly, 6965 force); 6966 } finally { 6967 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6968 } 6969 } 6970 6971 private boolean performDexOptInternal(String packageName, String instructionSet, 6972 boolean useProfiles, boolean extractOnly, boolean force) { 6973 PackageParser.Package p; 6974 final String targetInstructionSet; 6975 synchronized (mPackages) { 6976 p = mPackages.get(packageName); 6977 if (p == null) { 6978 return false; 6979 } 6980 mPackageUsage.write(false); 6981 6982 targetInstructionSet = instructionSet != null ? instructionSet : 6983 getPrimaryInstructionSet(p.applicationInfo); 6984 } 6985 long callingId = Binder.clearCallingIdentity(); 6986 try { 6987 synchronized (mInstallLock) { 6988 final String[] instructionSets = new String[] { targetInstructionSet }; 6989 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 6990 useProfiles, extractOnly, force); 6991 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6992 } 6993 } finally { 6994 Binder.restoreCallingIdentity(callingId); 6995 } 6996 } 6997 6998 public ArraySet<String> getOptimizablePackages() { 6999 ArraySet<String> pkgs = new ArraySet<String>(); 7000 synchronized (mPackages) { 7001 for (PackageParser.Package p : mPackages.values()) { 7002 if (PackageDexOptimizer.canOptimizePackage(p)) { 7003 pkgs.add(p.packageName); 7004 } 7005 } 7006 } 7007 return pkgs; 7008 } 7009 7010 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7011 String instructionSets[], boolean useProfiles, boolean extractOnly, boolean force) { 7012 // Select the dex optimizer based on the force parameter. 7013 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7014 // allocate an object here. 7015 PackageDexOptimizer pdo = force 7016 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7017 : mPackageDexOptimizer; 7018 7019 // Optimize all dependencies first. Note: we ignore the return value and march on 7020 // on errors. 7021 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7022 if (!deps.isEmpty()) { 7023 for (PackageParser.Package depPackage : deps) { 7024 // TODO: Analyze and investigate if we (should) profile libraries. 7025 // Currently this will do a full compilation of the library. 7026 pdo.performDexOpt(depPackage, instructionSets, false /* useProfiles */, 7027 false /* extractOnly */); 7028 } 7029 } 7030 7031 return pdo.performDexOpt(p, instructionSets, useProfiles, extractOnly); 7032 } 7033 7034 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7035 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7036 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7037 Set<String> collectedNames = new HashSet<>(); 7038 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7039 7040 retValue.remove(p); 7041 7042 return retValue; 7043 } else { 7044 return Collections.emptyList(); 7045 } 7046 } 7047 7048 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7049 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7050 if (!collectedNames.contains(p.packageName)) { 7051 collectedNames.add(p.packageName); 7052 collected.add(p); 7053 7054 if (p.usesLibraries != null) { 7055 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7056 } 7057 if (p.usesOptionalLibraries != null) { 7058 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7059 collectedNames); 7060 } 7061 } 7062 } 7063 7064 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7065 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7066 for (String libName : libs) { 7067 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7068 if (libPkg != null) { 7069 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7070 } 7071 } 7072 } 7073 7074 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7075 synchronized (mPackages) { 7076 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7077 if (lib != null && lib.apk != null) { 7078 return mPackages.get(lib.apk); 7079 } 7080 } 7081 return null; 7082 } 7083 7084 public void shutdown() { 7085 mPackageUsage.write(true); 7086 } 7087 7088 @Override 7089 public void forceDexOpt(String packageName) { 7090 enforceSystemOrRoot("forceDexOpt"); 7091 7092 PackageParser.Package pkg; 7093 synchronized (mPackages) { 7094 pkg = mPackages.get(packageName); 7095 if (pkg == null) { 7096 throw new IllegalArgumentException("Unknown package: " + packageName); 7097 } 7098 } 7099 7100 synchronized (mInstallLock) { 7101 final String[] instructionSets = new String[] { 7102 getPrimaryInstructionSet(pkg.applicationInfo) }; 7103 7104 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7105 7106 // Whoever is calling forceDexOpt wants a fully compiled package. 7107 // Don't use profiles since that may cause compilation to be skipped. 7108 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7109 false /* useProfiles */, false /* extractOnly */, true /* force */); 7110 7111 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7112 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7113 throw new IllegalStateException("Failed to dexopt: " + res); 7114 } 7115 } 7116 } 7117 7118 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7119 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7120 Slog.w(TAG, "Unable to update from " + oldPkg.name 7121 + " to " + newPkg.packageName 7122 + ": old package not in system partition"); 7123 return false; 7124 } else if (mPackages.get(oldPkg.name) != null) { 7125 Slog.w(TAG, "Unable to update from " + oldPkg.name 7126 + " to " + newPkg.packageName 7127 + ": old package still exists"); 7128 return false; 7129 } 7130 return true; 7131 } 7132 7133 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7134 // TODO: triage flags as part of 26466827 7135 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7136 7137 boolean res = true; 7138 final int[] users = sUserManager.getUserIds(); 7139 for (int user : users) { 7140 try { 7141 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7142 } catch (InstallerException e) { 7143 Slog.w(TAG, "Failed to delete data directory", e); 7144 res = false; 7145 } 7146 } 7147 return res; 7148 } 7149 7150 void removeCodePathLI(File codePath) { 7151 if (codePath.isDirectory()) { 7152 try { 7153 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7154 } catch (InstallerException e) { 7155 Slog.w(TAG, "Failed to remove code path", e); 7156 } 7157 } else { 7158 codePath.delete(); 7159 } 7160 } 7161 7162 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7163 try { 7164 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7165 } catch (InstallerException e) { 7166 Slog.w(TAG, "Failed to destroy app data", e); 7167 } 7168 } 7169 7170 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7171 int appId, String seinfo) { 7172 try { 7173 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7174 } catch (InstallerException e) { 7175 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7176 } 7177 } 7178 7179 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7180 final PackageParser.Package pkg; 7181 synchronized (mPackages) { 7182 pkg = mPackages.get(packageName); 7183 } 7184 if (pkg == null) { 7185 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7186 return; 7187 } 7188 deleteCodeCacheDirsLI(pkg); 7189 } 7190 7191 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7192 // TODO: triage flags as part of 26466827 7193 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7194 7195 int[] users = sUserManager.getUserIds(); 7196 int res = 0; 7197 for (int user : users) { 7198 // Remove the parent code cache 7199 try { 7200 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7201 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7202 } catch (InstallerException e) { 7203 Slog.w(TAG, "Failed to delete code cache directory", e); 7204 } 7205 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7206 for (int i = 0; i < childCount; i++) { 7207 PackageParser.Package childPkg = pkg.childPackages.get(i); 7208 // Remove the child code cache 7209 try { 7210 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7211 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7212 } catch (InstallerException e) { 7213 Slog.w(TAG, "Failed to delete code cache directory", e); 7214 } 7215 } 7216 } 7217 } 7218 7219 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7220 long lastUpdateTime) { 7221 // Set parent install/update time 7222 PackageSetting ps = (PackageSetting) pkg.mExtras; 7223 if (ps != null) { 7224 ps.firstInstallTime = firstInstallTime; 7225 ps.lastUpdateTime = lastUpdateTime; 7226 } 7227 // Set children install/update time 7228 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7229 for (int i = 0; i < childCount; i++) { 7230 PackageParser.Package childPkg = pkg.childPackages.get(i); 7231 ps = (PackageSetting) childPkg.mExtras; 7232 if (ps != null) { 7233 ps.firstInstallTime = firstInstallTime; 7234 ps.lastUpdateTime = lastUpdateTime; 7235 } 7236 } 7237 } 7238 7239 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7240 PackageParser.Package changingLib) { 7241 if (file.path != null) { 7242 usesLibraryFiles.add(file.path); 7243 return; 7244 } 7245 PackageParser.Package p = mPackages.get(file.apk); 7246 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7247 // If we are doing this while in the middle of updating a library apk, 7248 // then we need to make sure to use that new apk for determining the 7249 // dependencies here. (We haven't yet finished committing the new apk 7250 // to the package manager state.) 7251 if (p == null || p.packageName.equals(changingLib.packageName)) { 7252 p = changingLib; 7253 } 7254 } 7255 if (p != null) { 7256 usesLibraryFiles.addAll(p.getAllCodePaths()); 7257 } 7258 } 7259 7260 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7261 PackageParser.Package changingLib) throws PackageManagerException { 7262 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7263 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7264 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7265 for (int i=0; i<N; i++) { 7266 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7267 if (file == null) { 7268 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7269 "Package " + pkg.packageName + " requires unavailable shared library " 7270 + pkg.usesLibraries.get(i) + "; failing!"); 7271 } 7272 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7273 } 7274 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7275 for (int i=0; i<N; i++) { 7276 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7277 if (file == null) { 7278 Slog.w(TAG, "Package " + pkg.packageName 7279 + " desires unavailable shared library " 7280 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7281 } else { 7282 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7283 } 7284 } 7285 N = usesLibraryFiles.size(); 7286 if (N > 0) { 7287 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7288 } else { 7289 pkg.usesLibraryFiles = null; 7290 } 7291 } 7292 } 7293 7294 private static boolean hasString(List<String> list, List<String> which) { 7295 if (list == null) { 7296 return false; 7297 } 7298 for (int i=list.size()-1; i>=0; i--) { 7299 for (int j=which.size()-1; j>=0; j--) { 7300 if (which.get(j).equals(list.get(i))) { 7301 return true; 7302 } 7303 } 7304 } 7305 return false; 7306 } 7307 7308 private void updateAllSharedLibrariesLPw() { 7309 for (PackageParser.Package pkg : mPackages.values()) { 7310 try { 7311 updateSharedLibrariesLPw(pkg, null); 7312 } catch (PackageManagerException e) { 7313 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7314 } 7315 } 7316 } 7317 7318 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7319 PackageParser.Package changingPkg) { 7320 ArrayList<PackageParser.Package> res = null; 7321 for (PackageParser.Package pkg : mPackages.values()) { 7322 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7323 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7324 if (res == null) { 7325 res = new ArrayList<PackageParser.Package>(); 7326 } 7327 res.add(pkg); 7328 try { 7329 updateSharedLibrariesLPw(pkg, changingPkg); 7330 } catch (PackageManagerException e) { 7331 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7332 } 7333 } 7334 } 7335 return res; 7336 } 7337 7338 /** 7339 * Derive the value of the {@code cpuAbiOverride} based on the provided 7340 * value and an optional stored value from the package settings. 7341 */ 7342 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7343 String cpuAbiOverride = null; 7344 7345 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7346 cpuAbiOverride = null; 7347 } else if (abiOverride != null) { 7348 cpuAbiOverride = abiOverride; 7349 } else if (settings != null) { 7350 cpuAbiOverride = settings.cpuAbiOverrideString; 7351 } 7352 7353 return cpuAbiOverride; 7354 } 7355 7356 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7357 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7358 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7359 // If the package has children and this is the first dive in the function 7360 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7361 // whether all packages (parent and children) would be successfully scanned 7362 // before the actual scan since scanning mutates internal state and we want 7363 // to atomically install the package and its children. 7364 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7365 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7366 scanFlags |= SCAN_CHECK_ONLY; 7367 } 7368 } else { 7369 scanFlags &= ~SCAN_CHECK_ONLY; 7370 } 7371 7372 final PackageParser.Package scannedPkg; 7373 try { 7374 // Scan the parent 7375 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7376 // Scan the children 7377 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7378 for (int i = 0; i < childCount; i++) { 7379 PackageParser.Package childPkg = pkg.childPackages.get(i); 7380 scanPackageLI(childPkg, parseFlags, 7381 scanFlags, currentTime, user); 7382 } 7383 } finally { 7384 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7385 } 7386 7387 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7388 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7389 } 7390 7391 return scannedPkg; 7392 } 7393 7394 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7395 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7396 boolean success = false; 7397 try { 7398 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7399 currentTime, user); 7400 success = true; 7401 return res; 7402 } finally { 7403 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7404 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7405 } 7406 } 7407 } 7408 7409 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7410 int scanFlags, long currentTime, UserHandle user) 7411 throws PackageManagerException { 7412 final File scanFile = new File(pkg.codePath); 7413 if (pkg.applicationInfo.getCodePath() == null || 7414 pkg.applicationInfo.getResourcePath() == null) { 7415 // Bail out. The resource and code paths haven't been set. 7416 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7417 "Code and resource paths haven't been set correctly"); 7418 } 7419 7420 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7421 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7422 } else { 7423 // Only allow system apps to be flagged as core apps. 7424 pkg.coreApp = false; 7425 } 7426 7427 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7428 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7429 } 7430 7431 if (mCustomResolverComponentName != null && 7432 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7433 setUpCustomResolverActivity(pkg); 7434 } 7435 7436 if (pkg.packageName.equals("android")) { 7437 synchronized (mPackages) { 7438 if (mAndroidApplication != null) { 7439 Slog.w(TAG, "*************************************************"); 7440 Slog.w(TAG, "Core android package being redefined. Skipping."); 7441 Slog.w(TAG, " file=" + scanFile); 7442 Slog.w(TAG, "*************************************************"); 7443 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7444 "Core android package being redefined. Skipping."); 7445 } 7446 7447 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7448 // Set up information for our fall-back user intent resolution activity. 7449 mPlatformPackage = pkg; 7450 pkg.mVersionCode = mSdkVersion; 7451 mAndroidApplication = pkg.applicationInfo; 7452 7453 if (!mResolverReplaced) { 7454 mResolveActivity.applicationInfo = mAndroidApplication; 7455 mResolveActivity.name = ResolverActivity.class.getName(); 7456 mResolveActivity.packageName = mAndroidApplication.packageName; 7457 mResolveActivity.processName = "system:ui"; 7458 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7459 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7460 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7461 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7462 mResolveActivity.exported = true; 7463 mResolveActivity.enabled = true; 7464 mResolveInfo.activityInfo = mResolveActivity; 7465 mResolveInfo.priority = 0; 7466 mResolveInfo.preferredOrder = 0; 7467 mResolveInfo.match = 0; 7468 mResolveComponentName = new ComponentName( 7469 mAndroidApplication.packageName, mResolveActivity.name); 7470 } 7471 } 7472 } 7473 } 7474 7475 if (DEBUG_PACKAGE_SCANNING) { 7476 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7477 Log.d(TAG, "Scanning package " + pkg.packageName); 7478 } 7479 7480 synchronized (mPackages) { 7481 if (mPackages.containsKey(pkg.packageName) 7482 || mSharedLibraries.containsKey(pkg.packageName)) { 7483 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7484 "Application package " + pkg.packageName 7485 + " already installed. Skipping duplicate."); 7486 } 7487 7488 // If we're only installing presumed-existing packages, require that the 7489 // scanned APK is both already known and at the path previously established 7490 // for it. Previously unknown packages we pick up normally, but if we have an 7491 // a priori expectation about this package's install presence, enforce it. 7492 // With a singular exception for new system packages. When an OTA contains 7493 // a new system package, we allow the codepath to change from a system location 7494 // to the user-installed location. If we don't allow this change, any newer, 7495 // user-installed version of the application will be ignored. 7496 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7497 if (mExpectingBetter.containsKey(pkg.packageName)) { 7498 logCriticalInfo(Log.WARN, 7499 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7500 } else { 7501 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7502 if (known != null) { 7503 if (DEBUG_PACKAGE_SCANNING) { 7504 Log.d(TAG, "Examining " + pkg.codePath 7505 + " and requiring known paths " + known.codePathString 7506 + " & " + known.resourcePathString); 7507 } 7508 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7509 || !pkg.applicationInfo.getResourcePath().equals( 7510 known.resourcePathString)) { 7511 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7512 "Application package " + pkg.packageName 7513 + " found at " + pkg.applicationInfo.getCodePath() 7514 + " but expected at " + known.codePathString 7515 + "; ignoring."); 7516 } 7517 } 7518 } 7519 } 7520 } 7521 7522 // Initialize package source and resource directories 7523 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7524 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7525 7526 SharedUserSetting suid = null; 7527 PackageSetting pkgSetting = null; 7528 7529 if (!isSystemApp(pkg)) { 7530 // Only system apps can use these features. 7531 pkg.mOriginalPackages = null; 7532 pkg.mRealPackage = null; 7533 pkg.mAdoptPermissions = null; 7534 } 7535 7536 // Getting the package setting may have a side-effect, so if we 7537 // are only checking if scan would succeed, stash a copy of the 7538 // old setting to restore at the end. 7539 PackageSetting nonMutatedPs = null; 7540 7541 // writer 7542 synchronized (mPackages) { 7543 if (pkg.mSharedUserId != null) { 7544 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7545 if (suid == null) { 7546 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7547 "Creating application package " + pkg.packageName 7548 + " for shared user failed"); 7549 } 7550 if (DEBUG_PACKAGE_SCANNING) { 7551 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7552 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7553 + "): packages=" + suid.packages); 7554 } 7555 } 7556 7557 // Check if we are renaming from an original package name. 7558 PackageSetting origPackage = null; 7559 String realName = null; 7560 if (pkg.mOriginalPackages != null) { 7561 // This package may need to be renamed to a previously 7562 // installed name. Let's check on that... 7563 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7564 if (pkg.mOriginalPackages.contains(renamed)) { 7565 // This package had originally been installed as the 7566 // original name, and we have already taken care of 7567 // transitioning to the new one. Just update the new 7568 // one to continue using the old name. 7569 realName = pkg.mRealPackage; 7570 if (!pkg.packageName.equals(renamed)) { 7571 // Callers into this function may have already taken 7572 // care of renaming the package; only do it here if 7573 // it is not already done. 7574 pkg.setPackageName(renamed); 7575 } 7576 7577 } else { 7578 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7579 if ((origPackage = mSettings.peekPackageLPr( 7580 pkg.mOriginalPackages.get(i))) != null) { 7581 // We do have the package already installed under its 7582 // original name... should we use it? 7583 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7584 // New package is not compatible with original. 7585 origPackage = null; 7586 continue; 7587 } else if (origPackage.sharedUser != null) { 7588 // Make sure uid is compatible between packages. 7589 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7590 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7591 + " to " + pkg.packageName + ": old uid " 7592 + origPackage.sharedUser.name 7593 + " differs from " + pkg.mSharedUserId); 7594 origPackage = null; 7595 continue; 7596 } 7597 } else { 7598 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7599 + pkg.packageName + " to old name " + origPackage.name); 7600 } 7601 break; 7602 } 7603 } 7604 } 7605 } 7606 7607 if (mTransferedPackages.contains(pkg.packageName)) { 7608 Slog.w(TAG, "Package " + pkg.packageName 7609 + " was transferred to another, but its .apk remains"); 7610 } 7611 7612 // See comments in nonMutatedPs declaration 7613 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7614 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7615 if (foundPs != null) { 7616 nonMutatedPs = new PackageSetting(foundPs); 7617 } 7618 } 7619 7620 // Just create the setting, don't add it yet. For already existing packages 7621 // the PkgSetting exists already and doesn't have to be created. 7622 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7623 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7624 pkg.applicationInfo.primaryCpuAbi, 7625 pkg.applicationInfo.secondaryCpuAbi, 7626 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7627 user, false); 7628 if (pkgSetting == null) { 7629 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7630 "Creating application package " + pkg.packageName + " failed"); 7631 } 7632 7633 if (pkgSetting.origPackage != null) { 7634 // If we are first transitioning from an original package, 7635 // fix up the new package's name now. We need to do this after 7636 // looking up the package under its new name, so getPackageLP 7637 // can take care of fiddling things correctly. 7638 pkg.setPackageName(origPackage.name); 7639 7640 // File a report about this. 7641 String msg = "New package " + pkgSetting.realName 7642 + " renamed to replace old package " + pkgSetting.name; 7643 reportSettingsProblem(Log.WARN, msg); 7644 7645 // Make a note of it. 7646 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7647 mTransferedPackages.add(origPackage.name); 7648 } 7649 7650 // No longer need to retain this. 7651 pkgSetting.origPackage = null; 7652 } 7653 7654 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7655 // Make a note of it. 7656 mTransferedPackages.add(pkg.packageName); 7657 } 7658 7659 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7660 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7661 } 7662 7663 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7664 // Check all shared libraries and map to their actual file path. 7665 // We only do this here for apps not on a system dir, because those 7666 // are the only ones that can fail an install due to this. We 7667 // will take care of the system apps by updating all of their 7668 // library paths after the scan is done. 7669 updateSharedLibrariesLPw(pkg, null); 7670 } 7671 7672 if (mFoundPolicyFile) { 7673 SELinuxMMAC.assignSeinfoValue(pkg); 7674 } 7675 7676 pkg.applicationInfo.uid = pkgSetting.appId; 7677 pkg.mExtras = pkgSetting; 7678 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7679 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7680 // We just determined the app is signed correctly, so bring 7681 // over the latest parsed certs. 7682 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7683 } else { 7684 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7685 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7686 "Package " + pkg.packageName + " upgrade keys do not match the " 7687 + "previously installed version"); 7688 } else { 7689 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7690 String msg = "System package " + pkg.packageName 7691 + " signature changed; retaining data."; 7692 reportSettingsProblem(Log.WARN, msg); 7693 } 7694 } 7695 } else { 7696 try { 7697 verifySignaturesLP(pkgSetting, pkg); 7698 // We just determined the app is signed correctly, so bring 7699 // over the latest parsed certs. 7700 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7701 } catch (PackageManagerException e) { 7702 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7703 throw e; 7704 } 7705 // The signature has changed, but this package is in the system 7706 // image... let's recover! 7707 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7708 // However... if this package is part of a shared user, but it 7709 // doesn't match the signature of the shared user, let's fail. 7710 // What this means is that you can't change the signatures 7711 // associated with an overall shared user, which doesn't seem all 7712 // that unreasonable. 7713 if (pkgSetting.sharedUser != null) { 7714 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7715 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7716 throw new PackageManagerException( 7717 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7718 "Signature mismatch for shared user: " 7719 + pkgSetting.sharedUser); 7720 } 7721 } 7722 // File a report about this. 7723 String msg = "System package " + pkg.packageName 7724 + " signature changed; retaining data."; 7725 reportSettingsProblem(Log.WARN, msg); 7726 } 7727 } 7728 // Verify that this new package doesn't have any content providers 7729 // that conflict with existing packages. Only do this if the 7730 // package isn't already installed, since we don't want to break 7731 // things that are installed. 7732 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7733 final int N = pkg.providers.size(); 7734 int i; 7735 for (i=0; i<N; i++) { 7736 PackageParser.Provider p = pkg.providers.get(i); 7737 if (p.info.authority != null) { 7738 String names[] = p.info.authority.split(";"); 7739 for (int j = 0; j < names.length; j++) { 7740 if (mProvidersByAuthority.containsKey(names[j])) { 7741 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7742 final String otherPackageName = 7743 ((other != null && other.getComponentName() != null) ? 7744 other.getComponentName().getPackageName() : "?"); 7745 throw new PackageManagerException( 7746 INSTALL_FAILED_CONFLICTING_PROVIDER, 7747 "Can't install because provider name " + names[j] 7748 + " (in package " + pkg.applicationInfo.packageName 7749 + ") is already used by " + otherPackageName); 7750 } 7751 } 7752 } 7753 } 7754 } 7755 7756 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7757 // This package wants to adopt ownership of permissions from 7758 // another package. 7759 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7760 final String origName = pkg.mAdoptPermissions.get(i); 7761 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7762 if (orig != null) { 7763 if (verifyPackageUpdateLPr(orig, pkg)) { 7764 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7765 + pkg.packageName); 7766 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7767 } 7768 } 7769 } 7770 } 7771 } 7772 7773 final String pkgName = pkg.packageName; 7774 7775 final long scanFileTime = scanFile.lastModified(); 7776 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7777 pkg.applicationInfo.processName = fixProcessName( 7778 pkg.applicationInfo.packageName, 7779 pkg.applicationInfo.processName, 7780 pkg.applicationInfo.uid); 7781 7782 if (pkg != mPlatformPackage) { 7783 // Get all of our default paths setup 7784 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7785 } 7786 7787 final String path = scanFile.getPath(); 7788 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7789 7790 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7791 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7792 7793 // Some system apps still use directory structure for native libraries 7794 // in which case we might end up not detecting abi solely based on apk 7795 // structure. Try to detect abi based on directory structure. 7796 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7797 pkg.applicationInfo.primaryCpuAbi == null) { 7798 setBundledAppAbisAndRoots(pkg, pkgSetting); 7799 setNativeLibraryPaths(pkg); 7800 } 7801 7802 } else { 7803 if ((scanFlags & SCAN_MOVE) != 0) { 7804 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7805 // but we already have this packages package info in the PackageSetting. We just 7806 // use that and derive the native library path based on the new codepath. 7807 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7808 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7809 } 7810 7811 // Set native library paths again. For moves, the path will be updated based on the 7812 // ABIs we've determined above. For non-moves, the path will be updated based on the 7813 // ABIs we determined during compilation, but the path will depend on the final 7814 // package path (after the rename away from the stage path). 7815 setNativeLibraryPaths(pkg); 7816 } 7817 7818 // This is a special case for the "system" package, where the ABI is 7819 // dictated by the zygote configuration (and init.rc). We should keep track 7820 // of this ABI so that we can deal with "normal" applications that run under 7821 // the same UID correctly. 7822 if (mPlatformPackage == pkg) { 7823 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7824 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7825 } 7826 7827 // If there's a mismatch between the abi-override in the package setting 7828 // and the abiOverride specified for the install. Warn about this because we 7829 // would've already compiled the app without taking the package setting into 7830 // account. 7831 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7832 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7833 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7834 " for package " + pkg.packageName); 7835 } 7836 } 7837 7838 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7839 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7840 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7841 7842 // Copy the derived override back to the parsed package, so that we can 7843 // update the package settings accordingly. 7844 pkg.cpuAbiOverride = cpuAbiOverride; 7845 7846 if (DEBUG_ABI_SELECTION) { 7847 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7848 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7849 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7850 } 7851 7852 // Push the derived path down into PackageSettings so we know what to 7853 // clean up at uninstall time. 7854 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7855 7856 if (DEBUG_ABI_SELECTION) { 7857 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7858 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7859 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7860 } 7861 7862 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7863 // We don't do this here during boot because we can do it all 7864 // at once after scanning all existing packages. 7865 // 7866 // We also do this *before* we perform dexopt on this package, so that 7867 // we can avoid redundant dexopts, and also to make sure we've got the 7868 // code and package path correct. 7869 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7870 pkg, true /* boot complete */); 7871 } 7872 7873 if (mFactoryTest && pkg.requestedPermissions.contains( 7874 android.Manifest.permission.FACTORY_TEST)) { 7875 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7876 } 7877 7878 ArrayList<PackageParser.Package> clientLibPkgs = null; 7879 7880 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7881 if (nonMutatedPs != null) { 7882 synchronized (mPackages) { 7883 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 7884 } 7885 } 7886 return pkg; 7887 } 7888 7889 // Only privileged apps and updated privileged apps can add child packages. 7890 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 7891 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 7892 throw new PackageManagerException("Only privileged apps and updated " 7893 + "privileged apps can add child packages. Ignoring package " 7894 + pkg.packageName); 7895 } 7896 final int childCount = pkg.childPackages.size(); 7897 for (int i = 0; i < childCount; i++) { 7898 PackageParser.Package childPkg = pkg.childPackages.get(i); 7899 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 7900 childPkg.packageName)) { 7901 throw new PackageManagerException("Cannot override a child package of " 7902 + "another disabled system app. Ignoring package " + pkg.packageName); 7903 } 7904 } 7905 } 7906 7907 // writer 7908 synchronized (mPackages) { 7909 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7910 // Only system apps can add new shared libraries. 7911 if (pkg.libraryNames != null) { 7912 for (int i=0; i<pkg.libraryNames.size(); i++) { 7913 String name = pkg.libraryNames.get(i); 7914 boolean allowed = false; 7915 if (pkg.isUpdatedSystemApp()) { 7916 // New library entries can only be added through the 7917 // system image. This is important to get rid of a lot 7918 // of nasty edge cases: for example if we allowed a non- 7919 // system update of the app to add a library, then uninstalling 7920 // the update would make the library go away, and assumptions 7921 // we made such as through app install filtering would now 7922 // have allowed apps on the device which aren't compatible 7923 // with it. Better to just have the restriction here, be 7924 // conservative, and create many fewer cases that can negatively 7925 // impact the user experience. 7926 final PackageSetting sysPs = mSettings 7927 .getDisabledSystemPkgLPr(pkg.packageName); 7928 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7929 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7930 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7931 allowed = true; 7932 break; 7933 } 7934 } 7935 } 7936 } else { 7937 allowed = true; 7938 } 7939 if (allowed) { 7940 if (!mSharedLibraries.containsKey(name)) { 7941 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7942 } else if (!name.equals(pkg.packageName)) { 7943 Slog.w(TAG, "Package " + pkg.packageName + " library " 7944 + name + " already exists; skipping"); 7945 } 7946 } else { 7947 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7948 + name + " that is not declared on system image; skipping"); 7949 } 7950 } 7951 if ((scanFlags & SCAN_BOOTING) == 0) { 7952 // If we are not booting, we need to update any applications 7953 // that are clients of our shared library. If we are booting, 7954 // this will all be done once the scan is complete. 7955 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7956 } 7957 } 7958 } 7959 } 7960 7961 // Request the ActivityManager to kill the process(only for existing packages) 7962 // so that we do not end up in a confused state while the user is still using the older 7963 // version of the application while the new one gets installed. 7964 final boolean isReplacing = (scanFlags & SCAN_REPLACING) != 0; 7965 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 7966 if (killApp) { 7967 if (isReplacing) { 7968 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7969 7970 killApplication(pkg.applicationInfo.packageName, 7971 pkg.applicationInfo.uid, "replace pkg"); 7972 7973 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7974 } 7975 } 7976 7977 // Also need to kill any apps that are dependent on the library. 7978 if (clientLibPkgs != null) { 7979 for (int i=0; i<clientLibPkgs.size(); i++) { 7980 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7981 killApplication(clientPkg.applicationInfo.packageName, 7982 clientPkg.applicationInfo.uid, "update lib"); 7983 } 7984 } 7985 7986 // Make sure we're not adding any bogus keyset info 7987 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7988 ksms.assertScannedPackageValid(pkg); 7989 7990 // writer 7991 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7992 7993 boolean createIdmapFailed = false; 7994 synchronized (mPackages) { 7995 // We don't expect installation to fail beyond this point 7996 7997 // Add the new setting to mSettings 7998 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7999 // Add the new setting to mPackages 8000 mPackages.put(pkg.applicationInfo.packageName, pkg); 8001 // Make sure we don't accidentally delete its data. 8002 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8003 while (iter.hasNext()) { 8004 PackageCleanItem item = iter.next(); 8005 if (pkgName.equals(item.packageName)) { 8006 iter.remove(); 8007 } 8008 } 8009 8010 // Take care of first install / last update times. 8011 if (currentTime != 0) { 8012 if (pkgSetting.firstInstallTime == 0) { 8013 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8014 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8015 pkgSetting.lastUpdateTime = currentTime; 8016 } 8017 } else if (pkgSetting.firstInstallTime == 0) { 8018 // We need *something*. Take time time stamp of the file. 8019 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8020 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8021 if (scanFileTime != pkgSetting.timeStamp) { 8022 // A package on the system image has changed; consider this 8023 // to be an update. 8024 pkgSetting.lastUpdateTime = scanFileTime; 8025 } 8026 } 8027 8028 // Add the package's KeySets to the global KeySetManagerService 8029 ksms.addScannedPackageLPw(pkg); 8030 8031 int N = pkg.providers.size(); 8032 StringBuilder r = null; 8033 int i; 8034 for (i=0; i<N; i++) { 8035 PackageParser.Provider p = pkg.providers.get(i); 8036 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8037 p.info.processName, pkg.applicationInfo.uid); 8038 mProviders.addProvider(p); 8039 p.syncable = p.info.isSyncable; 8040 if (p.info.authority != null) { 8041 String names[] = p.info.authority.split(";"); 8042 p.info.authority = null; 8043 for (int j = 0; j < names.length; j++) { 8044 if (j == 1 && p.syncable) { 8045 // We only want the first authority for a provider to possibly be 8046 // syncable, so if we already added this provider using a different 8047 // authority clear the syncable flag. We copy the provider before 8048 // changing it because the mProviders object contains a reference 8049 // to a provider that we don't want to change. 8050 // Only do this for the second authority since the resulting provider 8051 // object can be the same for all future authorities for this provider. 8052 p = new PackageParser.Provider(p); 8053 p.syncable = false; 8054 } 8055 if (!mProvidersByAuthority.containsKey(names[j])) { 8056 mProvidersByAuthority.put(names[j], p); 8057 if (p.info.authority == null) { 8058 p.info.authority = names[j]; 8059 } else { 8060 p.info.authority = p.info.authority + ";" + names[j]; 8061 } 8062 if (DEBUG_PACKAGE_SCANNING) { 8063 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 8064 Log.d(TAG, "Registered content provider: " + names[j] 8065 + ", className = " + p.info.name + ", isSyncable = " 8066 + p.info.isSyncable); 8067 } 8068 } else { 8069 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8070 Slog.w(TAG, "Skipping provider name " + names[j] + 8071 " (in package " + pkg.applicationInfo.packageName + 8072 "): name already used by " 8073 + ((other != null && other.getComponentName() != null) 8074 ? other.getComponentName().getPackageName() : "?")); 8075 } 8076 } 8077 } 8078 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8079 if (r == null) { 8080 r = new StringBuilder(256); 8081 } else { 8082 r.append(' '); 8083 } 8084 r.append(p.info.name); 8085 } 8086 } 8087 if (r != null) { 8088 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8089 } 8090 8091 N = pkg.services.size(); 8092 r = null; 8093 for (i=0; i<N; i++) { 8094 PackageParser.Service s = pkg.services.get(i); 8095 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8096 s.info.processName, pkg.applicationInfo.uid); 8097 mServices.addService(s); 8098 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8099 if (r == null) { 8100 r = new StringBuilder(256); 8101 } else { 8102 r.append(' '); 8103 } 8104 r.append(s.info.name); 8105 } 8106 } 8107 if (r != null) { 8108 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8109 } 8110 8111 N = pkg.receivers.size(); 8112 r = null; 8113 for (i=0; i<N; i++) { 8114 PackageParser.Activity a = pkg.receivers.get(i); 8115 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8116 a.info.processName, pkg.applicationInfo.uid); 8117 mReceivers.addActivity(a, "receiver"); 8118 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8119 if (r == null) { 8120 r = new StringBuilder(256); 8121 } else { 8122 r.append(' '); 8123 } 8124 r.append(a.info.name); 8125 } 8126 } 8127 if (r != null) { 8128 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8129 } 8130 8131 N = pkg.activities.size(); 8132 r = null; 8133 for (i=0; i<N; i++) { 8134 PackageParser.Activity a = pkg.activities.get(i); 8135 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8136 a.info.processName, pkg.applicationInfo.uid); 8137 mActivities.addActivity(a, "activity"); 8138 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8139 if (r == null) { 8140 r = new StringBuilder(256); 8141 } else { 8142 r.append(' '); 8143 } 8144 r.append(a.info.name); 8145 } 8146 } 8147 if (r != null) { 8148 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8149 } 8150 8151 N = pkg.permissionGroups.size(); 8152 r = null; 8153 for (i=0; i<N; i++) { 8154 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8155 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8156 if (cur == null) { 8157 mPermissionGroups.put(pg.info.name, pg); 8158 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8159 if (r == null) { 8160 r = new StringBuilder(256); 8161 } else { 8162 r.append(' '); 8163 } 8164 r.append(pg.info.name); 8165 } 8166 } else { 8167 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8168 + pg.info.packageName + " ignored: original from " 8169 + cur.info.packageName); 8170 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8171 if (r == null) { 8172 r = new StringBuilder(256); 8173 } else { 8174 r.append(' '); 8175 } 8176 r.append("DUP:"); 8177 r.append(pg.info.name); 8178 } 8179 } 8180 } 8181 if (r != null) { 8182 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8183 } 8184 8185 N = pkg.permissions.size(); 8186 r = null; 8187 for (i=0; i<N; i++) { 8188 PackageParser.Permission p = pkg.permissions.get(i); 8189 8190 // Assume by default that we did not install this permission into the system. 8191 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8192 8193 // Now that permission groups have a special meaning, we ignore permission 8194 // groups for legacy apps to prevent unexpected behavior. In particular, 8195 // permissions for one app being granted to someone just becase they happen 8196 // to be in a group defined by another app (before this had no implications). 8197 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8198 p.group = mPermissionGroups.get(p.info.group); 8199 // Warn for a permission in an unknown group. 8200 if (p.info.group != null && p.group == null) { 8201 Slog.w(TAG, "Permission " + p.info.name + " from package " 8202 + p.info.packageName + " in an unknown group " + p.info.group); 8203 } 8204 } 8205 8206 ArrayMap<String, BasePermission> permissionMap = 8207 p.tree ? mSettings.mPermissionTrees 8208 : mSettings.mPermissions; 8209 BasePermission bp = permissionMap.get(p.info.name); 8210 8211 // Allow system apps to redefine non-system permissions 8212 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8213 final boolean currentOwnerIsSystem = (bp.perm != null 8214 && isSystemApp(bp.perm.owner)); 8215 if (isSystemApp(p.owner)) { 8216 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8217 // It's a built-in permission and no owner, take ownership now 8218 bp.packageSetting = pkgSetting; 8219 bp.perm = p; 8220 bp.uid = pkg.applicationInfo.uid; 8221 bp.sourcePackage = p.info.packageName; 8222 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8223 } else if (!currentOwnerIsSystem) { 8224 String msg = "New decl " + p.owner + " of permission " 8225 + p.info.name + " is system; overriding " + bp.sourcePackage; 8226 reportSettingsProblem(Log.WARN, msg); 8227 bp = null; 8228 } 8229 } 8230 } 8231 8232 if (bp == null) { 8233 bp = new BasePermission(p.info.name, p.info.packageName, 8234 BasePermission.TYPE_NORMAL); 8235 permissionMap.put(p.info.name, bp); 8236 } 8237 8238 if (bp.perm == null) { 8239 if (bp.sourcePackage == null 8240 || bp.sourcePackage.equals(p.info.packageName)) { 8241 BasePermission tree = findPermissionTreeLP(p.info.name); 8242 if (tree == null 8243 || tree.sourcePackage.equals(p.info.packageName)) { 8244 bp.packageSetting = pkgSetting; 8245 bp.perm = p; 8246 bp.uid = pkg.applicationInfo.uid; 8247 bp.sourcePackage = p.info.packageName; 8248 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8249 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8250 if (r == null) { 8251 r = new StringBuilder(256); 8252 } else { 8253 r.append(' '); 8254 } 8255 r.append(p.info.name); 8256 } 8257 } else { 8258 Slog.w(TAG, "Permission " + p.info.name + " from package " 8259 + p.info.packageName + " ignored: base tree " 8260 + tree.name + " is from package " 8261 + tree.sourcePackage); 8262 } 8263 } else { 8264 Slog.w(TAG, "Permission " + p.info.name + " from package " 8265 + p.info.packageName + " ignored: original from " 8266 + bp.sourcePackage); 8267 } 8268 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8269 if (r == null) { 8270 r = new StringBuilder(256); 8271 } else { 8272 r.append(' '); 8273 } 8274 r.append("DUP:"); 8275 r.append(p.info.name); 8276 } 8277 if (bp.perm == p) { 8278 bp.protectionLevel = p.info.protectionLevel; 8279 } 8280 } 8281 8282 if (r != null) { 8283 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8284 } 8285 8286 N = pkg.instrumentation.size(); 8287 r = null; 8288 for (i=0; i<N; i++) { 8289 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8290 a.info.packageName = pkg.applicationInfo.packageName; 8291 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8292 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8293 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8294 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8295 a.info.dataDir = pkg.applicationInfo.dataDir; 8296 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8297 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8298 8299 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8300 // need other information about the application, like the ABI and what not ? 8301 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8302 mInstrumentation.put(a.getComponentName(), a); 8303 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8304 if (r == null) { 8305 r = new StringBuilder(256); 8306 } else { 8307 r.append(' '); 8308 } 8309 r.append(a.info.name); 8310 } 8311 } 8312 if (r != null) { 8313 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8314 } 8315 8316 if (pkg.protectedBroadcasts != null) { 8317 N = pkg.protectedBroadcasts.size(); 8318 for (i=0; i<N; i++) { 8319 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8320 } 8321 } 8322 8323 pkgSetting.setTimeStamp(scanFileTime); 8324 8325 // Create idmap files for pairs of (packages, overlay packages). 8326 // Note: "android", ie framework-res.apk, is handled by native layers. 8327 if (pkg.mOverlayTarget != null) { 8328 // This is an overlay package. 8329 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8330 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8331 mOverlays.put(pkg.mOverlayTarget, 8332 new ArrayMap<String, PackageParser.Package>()); 8333 } 8334 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8335 map.put(pkg.packageName, pkg); 8336 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8337 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8338 createIdmapFailed = true; 8339 } 8340 } 8341 } else if (mOverlays.containsKey(pkg.packageName) && 8342 !pkg.packageName.equals("android")) { 8343 // This is a regular package, with one or more known overlay packages. 8344 createIdmapsForPackageLI(pkg); 8345 } 8346 } 8347 8348 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8349 8350 if (createIdmapFailed) { 8351 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8352 "scanPackageLI failed to createIdmap"); 8353 } 8354 return pkg; 8355 } 8356 8357 /** 8358 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8359 * is derived purely on the basis of the contents of {@code scanFile} and 8360 * {@code cpuAbiOverride}. 8361 * 8362 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8363 */ 8364 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8365 String cpuAbiOverride, boolean extractLibs) 8366 throws PackageManagerException { 8367 // TODO: We can probably be smarter about this stuff. For installed apps, 8368 // we can calculate this information at install time once and for all. For 8369 // system apps, we can probably assume that this information doesn't change 8370 // after the first boot scan. As things stand, we do lots of unnecessary work. 8371 8372 // Give ourselves some initial paths; we'll come back for another 8373 // pass once we've determined ABI below. 8374 setNativeLibraryPaths(pkg); 8375 8376 // We would never need to extract libs for forward-locked and external packages, 8377 // since the container service will do it for us. We shouldn't attempt to 8378 // extract libs from system app when it was not updated. 8379 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8380 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8381 extractLibs = false; 8382 } 8383 8384 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8385 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8386 8387 NativeLibraryHelper.Handle handle = null; 8388 try { 8389 handle = NativeLibraryHelper.Handle.create(pkg); 8390 // TODO(multiArch): This can be null for apps that didn't go through the 8391 // usual installation process. We can calculate it again, like we 8392 // do during install time. 8393 // 8394 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8395 // unnecessary. 8396 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8397 8398 // Null out the abis so that they can be recalculated. 8399 pkg.applicationInfo.primaryCpuAbi = null; 8400 pkg.applicationInfo.secondaryCpuAbi = null; 8401 if (isMultiArch(pkg.applicationInfo)) { 8402 // Warn if we've set an abiOverride for multi-lib packages.. 8403 // By definition, we need to copy both 32 and 64 bit libraries for 8404 // such packages. 8405 if (pkg.cpuAbiOverride != null 8406 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8407 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8408 } 8409 8410 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8411 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8412 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8413 if (extractLibs) { 8414 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8415 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8416 useIsaSpecificSubdirs); 8417 } else { 8418 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8419 } 8420 } 8421 8422 maybeThrowExceptionForMultiArchCopy( 8423 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8424 8425 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8426 if (extractLibs) { 8427 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8428 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8429 useIsaSpecificSubdirs); 8430 } else { 8431 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8432 } 8433 } 8434 8435 maybeThrowExceptionForMultiArchCopy( 8436 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8437 8438 if (abi64 >= 0) { 8439 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8440 } 8441 8442 if (abi32 >= 0) { 8443 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8444 if (abi64 >= 0) { 8445 if (cpuAbiOverride == null && pkg.use32bitAbi) { 8446 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8447 pkg.applicationInfo.primaryCpuAbi = abi; 8448 } else { 8449 pkg.applicationInfo.secondaryCpuAbi = abi; 8450 } 8451 } else { 8452 pkg.applicationInfo.primaryCpuAbi = abi; 8453 } 8454 } 8455 8456 } else { 8457 String[] abiList = (cpuAbiOverride != null) ? 8458 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8459 8460 // Enable gross and lame hacks for apps that are built with old 8461 // SDK tools. We must scan their APKs for renderscript bitcode and 8462 // not launch them if it's present. Don't bother checking on devices 8463 // that don't have 64 bit support. 8464 boolean needsRenderScriptOverride = false; 8465 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8466 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8467 abiList = Build.SUPPORTED_32_BIT_ABIS; 8468 needsRenderScriptOverride = true; 8469 } 8470 8471 final int copyRet; 8472 if (extractLibs) { 8473 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8474 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8475 } else { 8476 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8477 } 8478 8479 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8480 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8481 "Error unpackaging native libs for app, errorCode=" + copyRet); 8482 } 8483 8484 if (copyRet >= 0) { 8485 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8486 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8487 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8488 } else if (needsRenderScriptOverride) { 8489 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8490 } 8491 } 8492 } catch (IOException ioe) { 8493 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8494 } finally { 8495 IoUtils.closeQuietly(handle); 8496 } 8497 8498 // Now that we've calculated the ABIs and determined if it's an internal app, 8499 // we will go ahead and populate the nativeLibraryPath. 8500 setNativeLibraryPaths(pkg); 8501 } 8502 8503 /** 8504 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8505 * i.e, so that all packages can be run inside a single process if required. 8506 * 8507 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8508 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8509 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8510 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8511 * updating a package that belongs to a shared user. 8512 * 8513 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8514 * adds unnecessary complexity. 8515 */ 8516 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8517 PackageParser.Package scannedPackage, boolean bootComplete) { 8518 String requiredInstructionSet = null; 8519 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8520 requiredInstructionSet = VMRuntime.getInstructionSet( 8521 scannedPackage.applicationInfo.primaryCpuAbi); 8522 } 8523 8524 PackageSetting requirer = null; 8525 for (PackageSetting ps : packagesForUser) { 8526 // If packagesForUser contains scannedPackage, we skip it. This will happen 8527 // when scannedPackage is an update of an existing package. Without this check, 8528 // we will never be able to change the ABI of any package belonging to a shared 8529 // user, even if it's compatible with other packages. 8530 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8531 if (ps.primaryCpuAbiString == null) { 8532 continue; 8533 } 8534 8535 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8536 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8537 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8538 // this but there's not much we can do. 8539 String errorMessage = "Instruction set mismatch, " 8540 + ((requirer == null) ? "[caller]" : requirer) 8541 + " requires " + requiredInstructionSet + " whereas " + ps 8542 + " requires " + instructionSet; 8543 Slog.w(TAG, errorMessage); 8544 } 8545 8546 if (requiredInstructionSet == null) { 8547 requiredInstructionSet = instructionSet; 8548 requirer = ps; 8549 } 8550 } 8551 } 8552 8553 if (requiredInstructionSet != null) { 8554 String adjustedAbi; 8555 if (requirer != null) { 8556 // requirer != null implies that either scannedPackage was null or that scannedPackage 8557 // did not require an ABI, in which case we have to adjust scannedPackage to match 8558 // the ABI of the set (which is the same as requirer's ABI) 8559 adjustedAbi = requirer.primaryCpuAbiString; 8560 if (scannedPackage != null) { 8561 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8562 } 8563 } else { 8564 // requirer == null implies that we're updating all ABIs in the set to 8565 // match scannedPackage. 8566 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8567 } 8568 8569 for (PackageSetting ps : packagesForUser) { 8570 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8571 if (ps.primaryCpuAbiString != null) { 8572 continue; 8573 } 8574 8575 ps.primaryCpuAbiString = adjustedAbi; 8576 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8577 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8578 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8579 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8580 + " (requirer=" 8581 + (requirer == null ? "null" : requirer.pkg.packageName) 8582 + ", scannedPackage=" 8583 + (scannedPackage != null ? scannedPackage.packageName : "null") 8584 + ")"); 8585 try { 8586 mInstaller.rmdex(ps.codePathString, 8587 getDexCodeInstructionSet(getPreferredInstructionSet())); 8588 } catch (InstallerException ignored) { 8589 } 8590 } 8591 } 8592 } 8593 } 8594 } 8595 8596 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8597 synchronized (mPackages) { 8598 mResolverReplaced = true; 8599 // Set up information for custom user intent resolution activity. 8600 mResolveActivity.applicationInfo = pkg.applicationInfo; 8601 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8602 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8603 mResolveActivity.processName = pkg.applicationInfo.packageName; 8604 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8605 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8606 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8607 mResolveActivity.theme = 0; 8608 mResolveActivity.exported = true; 8609 mResolveActivity.enabled = true; 8610 mResolveInfo.activityInfo = mResolveActivity; 8611 mResolveInfo.priority = 0; 8612 mResolveInfo.preferredOrder = 0; 8613 mResolveInfo.match = 0; 8614 mResolveComponentName = mCustomResolverComponentName; 8615 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8616 mResolveComponentName); 8617 } 8618 } 8619 8620 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8621 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8622 8623 // Set up information for ephemeral installer activity 8624 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8625 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8626 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8627 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8628 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8629 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8630 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8631 mEphemeralInstallerActivity.theme = 0; 8632 mEphemeralInstallerActivity.exported = true; 8633 mEphemeralInstallerActivity.enabled = true; 8634 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8635 mEphemeralInstallerInfo.priority = 0; 8636 mEphemeralInstallerInfo.preferredOrder = 0; 8637 mEphemeralInstallerInfo.match = 0; 8638 8639 if (DEBUG_EPHEMERAL) { 8640 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8641 } 8642 } 8643 8644 private static String calculateBundledApkRoot(final String codePathString) { 8645 final File codePath = new File(codePathString); 8646 final File codeRoot; 8647 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8648 codeRoot = Environment.getRootDirectory(); 8649 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8650 codeRoot = Environment.getOemDirectory(); 8651 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8652 codeRoot = Environment.getVendorDirectory(); 8653 } else { 8654 // Unrecognized code path; take its top real segment as the apk root: 8655 // e.g. /something/app/blah.apk => /something 8656 try { 8657 File f = codePath.getCanonicalFile(); 8658 File parent = f.getParentFile(); // non-null because codePath is a file 8659 File tmp; 8660 while ((tmp = parent.getParentFile()) != null) { 8661 f = parent; 8662 parent = tmp; 8663 } 8664 codeRoot = f; 8665 Slog.w(TAG, "Unrecognized code path " 8666 + codePath + " - using " + codeRoot); 8667 } catch (IOException e) { 8668 // Can't canonicalize the code path -- shenanigans? 8669 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8670 return Environment.getRootDirectory().getPath(); 8671 } 8672 } 8673 return codeRoot.getPath(); 8674 } 8675 8676 /** 8677 * Derive and set the location of native libraries for the given package, 8678 * which varies depending on where and how the package was installed. 8679 */ 8680 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8681 final ApplicationInfo info = pkg.applicationInfo; 8682 final String codePath = pkg.codePath; 8683 final File codeFile = new File(codePath); 8684 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8685 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8686 8687 info.nativeLibraryRootDir = null; 8688 info.nativeLibraryRootRequiresIsa = false; 8689 info.nativeLibraryDir = null; 8690 info.secondaryNativeLibraryDir = null; 8691 8692 if (isApkFile(codeFile)) { 8693 // Monolithic install 8694 if (bundledApp) { 8695 // If "/system/lib64/apkname" exists, assume that is the per-package 8696 // native library directory to use; otherwise use "/system/lib/apkname". 8697 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8698 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8699 getPrimaryInstructionSet(info)); 8700 8701 // This is a bundled system app so choose the path based on the ABI. 8702 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8703 // is just the default path. 8704 final String apkName = deriveCodePathName(codePath); 8705 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8706 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8707 apkName).getAbsolutePath(); 8708 8709 if (info.secondaryCpuAbi != null) { 8710 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8711 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8712 secondaryLibDir, apkName).getAbsolutePath(); 8713 } 8714 } else if (asecApp) { 8715 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8716 .getAbsolutePath(); 8717 } else { 8718 final String apkName = deriveCodePathName(codePath); 8719 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8720 .getAbsolutePath(); 8721 } 8722 8723 info.nativeLibraryRootRequiresIsa = false; 8724 info.nativeLibraryDir = info.nativeLibraryRootDir; 8725 } else { 8726 // Cluster install 8727 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8728 info.nativeLibraryRootRequiresIsa = true; 8729 8730 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8731 getPrimaryInstructionSet(info)).getAbsolutePath(); 8732 8733 if (info.secondaryCpuAbi != null) { 8734 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8735 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8736 } 8737 } 8738 } 8739 8740 /** 8741 * Calculate the abis and roots for a bundled app. These can uniquely 8742 * be determined from the contents of the system partition, i.e whether 8743 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8744 * of this information, and instead assume that the system was built 8745 * sensibly. 8746 */ 8747 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8748 PackageSetting pkgSetting) { 8749 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8750 8751 // If "/system/lib64/apkname" exists, assume that is the per-package 8752 // native library directory to use; otherwise use "/system/lib/apkname". 8753 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8754 setBundledAppAbi(pkg, apkRoot, apkName); 8755 // pkgSetting might be null during rescan following uninstall of updates 8756 // to a bundled app, so accommodate that possibility. The settings in 8757 // that case will be established later from the parsed package. 8758 // 8759 // If the settings aren't null, sync them up with what we've just derived. 8760 // note that apkRoot isn't stored in the package settings. 8761 if (pkgSetting != null) { 8762 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8763 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8764 } 8765 } 8766 8767 /** 8768 * Deduces the ABI of a bundled app and sets the relevant fields on the 8769 * parsed pkg object. 8770 * 8771 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8772 * under which system libraries are installed. 8773 * @param apkName the name of the installed package. 8774 */ 8775 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8776 final File codeFile = new File(pkg.codePath); 8777 8778 final boolean has64BitLibs; 8779 final boolean has32BitLibs; 8780 if (isApkFile(codeFile)) { 8781 // Monolithic install 8782 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8783 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8784 } else { 8785 // Cluster install 8786 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8787 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8788 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8789 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8790 has64BitLibs = (new File(rootDir, isa)).exists(); 8791 } else { 8792 has64BitLibs = false; 8793 } 8794 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8795 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8796 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8797 has32BitLibs = (new File(rootDir, isa)).exists(); 8798 } else { 8799 has32BitLibs = false; 8800 } 8801 } 8802 8803 if (has64BitLibs && !has32BitLibs) { 8804 // The package has 64 bit libs, but not 32 bit libs. Its primary 8805 // ABI should be 64 bit. We can safely assume here that the bundled 8806 // native libraries correspond to the most preferred ABI in the list. 8807 8808 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8809 pkg.applicationInfo.secondaryCpuAbi = null; 8810 } else if (has32BitLibs && !has64BitLibs) { 8811 // The package has 32 bit libs but not 64 bit libs. Its primary 8812 // ABI should be 32 bit. 8813 8814 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8815 pkg.applicationInfo.secondaryCpuAbi = null; 8816 } else if (has32BitLibs && has64BitLibs) { 8817 // The application has both 64 and 32 bit bundled libraries. We check 8818 // here that the app declares multiArch support, and warn if it doesn't. 8819 // 8820 // We will be lenient here and record both ABIs. The primary will be the 8821 // ABI that's higher on the list, i.e, a device that's configured to prefer 8822 // 64 bit apps will see a 64 bit primary ABI, 8823 8824 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8825 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8826 } 8827 8828 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8829 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8830 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8831 } else { 8832 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8833 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8834 } 8835 } else { 8836 pkg.applicationInfo.primaryCpuAbi = null; 8837 pkg.applicationInfo.secondaryCpuAbi = null; 8838 } 8839 } 8840 8841 private void killPackage(PackageParser.Package pkg, String reason) { 8842 // Kill the parent package 8843 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8844 // Kill the child packages 8845 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8846 for (int i = 0; i < childCount; i++) { 8847 PackageParser.Package childPkg = pkg.childPackages.get(i); 8848 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8849 } 8850 } 8851 8852 private void killApplication(String pkgName, int appId, String reason) { 8853 // Request the ActivityManager to kill the process(only for existing packages) 8854 // so that we do not end up in a confused state while the user is still using the older 8855 // version of the application while the new one gets installed. 8856 IActivityManager am = ActivityManagerNative.getDefault(); 8857 if (am != null) { 8858 try { 8859 am.killApplicationWithAppId(pkgName, appId, reason); 8860 } catch (RemoteException e) { 8861 } 8862 } 8863 } 8864 8865 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 8866 // Remove the parent package setting 8867 PackageSetting ps = (PackageSetting) pkg.mExtras; 8868 if (ps != null) { 8869 removePackageLI(ps, chatty); 8870 } 8871 // Remove the child package setting 8872 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8873 for (int i = 0; i < childCount; i++) { 8874 PackageParser.Package childPkg = pkg.childPackages.get(i); 8875 ps = (PackageSetting) childPkg.mExtras; 8876 if (ps != null) { 8877 removePackageLI(ps, chatty); 8878 } 8879 } 8880 } 8881 8882 void removePackageLI(PackageSetting ps, boolean chatty) { 8883 if (DEBUG_INSTALL) { 8884 if (chatty) 8885 Log.d(TAG, "Removing package " + ps.name); 8886 } 8887 8888 // writer 8889 synchronized (mPackages) { 8890 mPackages.remove(ps.name); 8891 final PackageParser.Package pkg = ps.pkg; 8892 if (pkg != null) { 8893 cleanPackageDataStructuresLILPw(pkg, chatty); 8894 } 8895 } 8896 } 8897 8898 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8899 if (DEBUG_INSTALL) { 8900 if (chatty) 8901 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8902 } 8903 8904 // writer 8905 synchronized (mPackages) { 8906 // Remove the parent package 8907 mPackages.remove(pkg.applicationInfo.packageName); 8908 cleanPackageDataStructuresLILPw(pkg, chatty); 8909 8910 // Remove the child packages 8911 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8912 for (int i = 0; i < childCount; i++) { 8913 PackageParser.Package childPkg = pkg.childPackages.get(i); 8914 mPackages.remove(childPkg.applicationInfo.packageName); 8915 cleanPackageDataStructuresLILPw(childPkg, chatty); 8916 } 8917 } 8918 } 8919 8920 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8921 int N = pkg.providers.size(); 8922 StringBuilder r = null; 8923 int i; 8924 for (i=0; i<N; i++) { 8925 PackageParser.Provider p = pkg.providers.get(i); 8926 mProviders.removeProvider(p); 8927 if (p.info.authority == null) { 8928 8929 /* There was another ContentProvider with this authority when 8930 * this app was installed so this authority is null, 8931 * Ignore it as we don't have to unregister the provider. 8932 */ 8933 continue; 8934 } 8935 String names[] = p.info.authority.split(";"); 8936 for (int j = 0; j < names.length; j++) { 8937 if (mProvidersByAuthority.get(names[j]) == p) { 8938 mProvidersByAuthority.remove(names[j]); 8939 if (DEBUG_REMOVE) { 8940 if (chatty) 8941 Log.d(TAG, "Unregistered content provider: " + names[j] 8942 + ", className = " + p.info.name + ", isSyncable = " 8943 + p.info.isSyncable); 8944 } 8945 } 8946 } 8947 if (DEBUG_REMOVE && chatty) { 8948 if (r == null) { 8949 r = new StringBuilder(256); 8950 } else { 8951 r.append(' '); 8952 } 8953 r.append(p.info.name); 8954 } 8955 } 8956 if (r != null) { 8957 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8958 } 8959 8960 N = pkg.services.size(); 8961 r = null; 8962 for (i=0; i<N; i++) { 8963 PackageParser.Service s = pkg.services.get(i); 8964 mServices.removeService(s); 8965 if (chatty) { 8966 if (r == null) { 8967 r = new StringBuilder(256); 8968 } else { 8969 r.append(' '); 8970 } 8971 r.append(s.info.name); 8972 } 8973 } 8974 if (r != null) { 8975 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8976 } 8977 8978 N = pkg.receivers.size(); 8979 r = null; 8980 for (i=0; i<N; i++) { 8981 PackageParser.Activity a = pkg.receivers.get(i); 8982 mReceivers.removeActivity(a, "receiver"); 8983 if (DEBUG_REMOVE && chatty) { 8984 if (r == null) { 8985 r = new StringBuilder(256); 8986 } else { 8987 r.append(' '); 8988 } 8989 r.append(a.info.name); 8990 } 8991 } 8992 if (r != null) { 8993 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8994 } 8995 8996 N = pkg.activities.size(); 8997 r = null; 8998 for (i=0; i<N; i++) { 8999 PackageParser.Activity a = pkg.activities.get(i); 9000 mActivities.removeActivity(a, "activity"); 9001 if (DEBUG_REMOVE && chatty) { 9002 if (r == null) { 9003 r = new StringBuilder(256); 9004 } else { 9005 r.append(' '); 9006 } 9007 r.append(a.info.name); 9008 } 9009 } 9010 if (r != null) { 9011 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9012 } 9013 9014 N = pkg.permissions.size(); 9015 r = null; 9016 for (i=0; i<N; i++) { 9017 PackageParser.Permission p = pkg.permissions.get(i); 9018 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9019 if (bp == null) { 9020 bp = mSettings.mPermissionTrees.get(p.info.name); 9021 } 9022 if (bp != null && bp.perm == p) { 9023 bp.perm = null; 9024 if (DEBUG_REMOVE && chatty) { 9025 if (r == null) { 9026 r = new StringBuilder(256); 9027 } else { 9028 r.append(' '); 9029 } 9030 r.append(p.info.name); 9031 } 9032 } 9033 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9034 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9035 if (appOpPkgs != null) { 9036 appOpPkgs.remove(pkg.packageName); 9037 } 9038 } 9039 } 9040 if (r != null) { 9041 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9042 } 9043 9044 N = pkg.requestedPermissions.size(); 9045 r = null; 9046 for (i=0; i<N; i++) { 9047 String perm = pkg.requestedPermissions.get(i); 9048 BasePermission bp = mSettings.mPermissions.get(perm); 9049 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9050 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9051 if (appOpPkgs != null) { 9052 appOpPkgs.remove(pkg.packageName); 9053 if (appOpPkgs.isEmpty()) { 9054 mAppOpPermissionPackages.remove(perm); 9055 } 9056 } 9057 } 9058 } 9059 if (r != null) { 9060 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9061 } 9062 9063 N = pkg.instrumentation.size(); 9064 r = null; 9065 for (i=0; i<N; i++) { 9066 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9067 mInstrumentation.remove(a.getComponentName()); 9068 if (DEBUG_REMOVE && chatty) { 9069 if (r == null) { 9070 r = new StringBuilder(256); 9071 } else { 9072 r.append(' '); 9073 } 9074 r.append(a.info.name); 9075 } 9076 } 9077 if (r != null) { 9078 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9079 } 9080 9081 r = null; 9082 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9083 // Only system apps can hold shared libraries. 9084 if (pkg.libraryNames != null) { 9085 for (i=0; i<pkg.libraryNames.size(); i++) { 9086 String name = pkg.libraryNames.get(i); 9087 SharedLibraryEntry cur = mSharedLibraries.get(name); 9088 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9089 mSharedLibraries.remove(name); 9090 if (DEBUG_REMOVE && chatty) { 9091 if (r == null) { 9092 r = new StringBuilder(256); 9093 } else { 9094 r.append(' '); 9095 } 9096 r.append(name); 9097 } 9098 } 9099 } 9100 } 9101 } 9102 if (r != null) { 9103 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9104 } 9105 } 9106 9107 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9108 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9109 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9110 return true; 9111 } 9112 } 9113 return false; 9114 } 9115 9116 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9117 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9118 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9119 9120 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9121 // Update the parent permissions 9122 updatePermissionsLPw(pkg.packageName, pkg, flags); 9123 // Update the child permissions 9124 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9125 for (int i = 0; i < childCount; i++) { 9126 PackageParser.Package childPkg = pkg.childPackages.get(i); 9127 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9128 } 9129 } 9130 9131 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9132 int flags) { 9133 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9134 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9135 } 9136 9137 private void updatePermissionsLPw(String changingPkg, 9138 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9139 // Make sure there are no dangling permission trees. 9140 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9141 while (it.hasNext()) { 9142 final BasePermission bp = it.next(); 9143 if (bp.packageSetting == null) { 9144 // We may not yet have parsed the package, so just see if 9145 // we still know about its settings. 9146 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9147 } 9148 if (bp.packageSetting == null) { 9149 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9150 + " from package " + bp.sourcePackage); 9151 it.remove(); 9152 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9153 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9154 Slog.i(TAG, "Removing old permission tree: " + bp.name 9155 + " from package " + bp.sourcePackage); 9156 flags |= UPDATE_PERMISSIONS_ALL; 9157 it.remove(); 9158 } 9159 } 9160 } 9161 9162 // Make sure all dynamic permissions have been assigned to a package, 9163 // and make sure there are no dangling permissions. 9164 it = mSettings.mPermissions.values().iterator(); 9165 while (it.hasNext()) { 9166 final BasePermission bp = it.next(); 9167 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9168 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9169 + bp.name + " pkg=" + bp.sourcePackage 9170 + " info=" + bp.pendingInfo); 9171 if (bp.packageSetting == null && bp.pendingInfo != null) { 9172 final BasePermission tree = findPermissionTreeLP(bp.name); 9173 if (tree != null && tree.perm != null) { 9174 bp.packageSetting = tree.packageSetting; 9175 bp.perm = new PackageParser.Permission(tree.perm.owner, 9176 new PermissionInfo(bp.pendingInfo)); 9177 bp.perm.info.packageName = tree.perm.info.packageName; 9178 bp.perm.info.name = bp.name; 9179 bp.uid = tree.uid; 9180 } 9181 } 9182 } 9183 if (bp.packageSetting == null) { 9184 // We may not yet have parsed the package, so just see if 9185 // we still know about its settings. 9186 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9187 } 9188 if (bp.packageSetting == null) { 9189 Slog.w(TAG, "Removing dangling permission: " + bp.name 9190 + " from package " + bp.sourcePackage); 9191 it.remove(); 9192 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9193 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9194 Slog.i(TAG, "Removing old permission: " + bp.name 9195 + " from package " + bp.sourcePackage); 9196 flags |= UPDATE_PERMISSIONS_ALL; 9197 it.remove(); 9198 } 9199 } 9200 } 9201 9202 // Now update the permissions for all packages, in particular 9203 // replace the granted permissions of the system packages. 9204 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9205 for (PackageParser.Package pkg : mPackages.values()) { 9206 if (pkg != pkgInfo) { 9207 // Only replace for packages on requested volume 9208 final String volumeUuid = getVolumeUuidForPackage(pkg); 9209 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9210 && Objects.equals(replaceVolumeUuid, volumeUuid); 9211 grantPermissionsLPw(pkg, replace, changingPkg); 9212 } 9213 } 9214 } 9215 9216 if (pkgInfo != null) { 9217 // Only replace for packages on requested volume 9218 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9219 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9220 && Objects.equals(replaceVolumeUuid, volumeUuid); 9221 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9222 } 9223 } 9224 9225 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9226 String packageOfInterest) { 9227 // IMPORTANT: There are two types of permissions: install and runtime. 9228 // Install time permissions are granted when the app is installed to 9229 // all device users and users added in the future. Runtime permissions 9230 // are granted at runtime explicitly to specific users. Normal and signature 9231 // protected permissions are install time permissions. Dangerous permissions 9232 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9233 // otherwise they are runtime permissions. This function does not manage 9234 // runtime permissions except for the case an app targeting Lollipop MR1 9235 // being upgraded to target a newer SDK, in which case dangerous permissions 9236 // are transformed from install time to runtime ones. 9237 9238 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9239 if (ps == null) { 9240 return; 9241 } 9242 9243 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9244 9245 PermissionsState permissionsState = ps.getPermissionsState(); 9246 PermissionsState origPermissions = permissionsState; 9247 9248 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9249 9250 boolean runtimePermissionsRevoked = false; 9251 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9252 9253 boolean changedInstallPermission = false; 9254 9255 if (replace) { 9256 ps.installPermissionsFixed = false; 9257 if (!ps.isSharedUser()) { 9258 origPermissions = new PermissionsState(permissionsState); 9259 permissionsState.reset(); 9260 } else { 9261 // We need to know only about runtime permission changes since the 9262 // calling code always writes the install permissions state but 9263 // the runtime ones are written only if changed. The only cases of 9264 // changed runtime permissions here are promotion of an install to 9265 // runtime and revocation of a runtime from a shared user. 9266 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9267 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9268 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9269 runtimePermissionsRevoked = true; 9270 } 9271 } 9272 } 9273 9274 permissionsState.setGlobalGids(mGlobalGids); 9275 9276 final int N = pkg.requestedPermissions.size(); 9277 for (int i=0; i<N; i++) { 9278 final String name = pkg.requestedPermissions.get(i); 9279 final BasePermission bp = mSettings.mPermissions.get(name); 9280 9281 if (DEBUG_INSTALL) { 9282 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9283 } 9284 9285 if (bp == null || bp.packageSetting == null) { 9286 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9287 Slog.w(TAG, "Unknown permission " + name 9288 + " in package " + pkg.packageName); 9289 } 9290 continue; 9291 } 9292 9293 final String perm = bp.name; 9294 boolean allowedSig = false; 9295 int grant = GRANT_DENIED; 9296 9297 // Keep track of app op permissions. 9298 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9299 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9300 if (pkgs == null) { 9301 pkgs = new ArraySet<>(); 9302 mAppOpPermissionPackages.put(bp.name, pkgs); 9303 } 9304 pkgs.add(pkg.packageName); 9305 } 9306 9307 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9308 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9309 >= Build.VERSION_CODES.M; 9310 switch (level) { 9311 case PermissionInfo.PROTECTION_NORMAL: { 9312 // For all apps normal permissions are install time ones. 9313 grant = GRANT_INSTALL; 9314 } break; 9315 9316 case PermissionInfo.PROTECTION_DANGEROUS: { 9317 // If a permission review is required for legacy apps we represent 9318 // their permissions as always granted runtime ones since we need 9319 // to keep the review required permission flag per user while an 9320 // install permission's state is shared across all users. 9321 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9322 // For legacy apps dangerous permissions are install time ones. 9323 grant = GRANT_INSTALL; 9324 } else if (origPermissions.hasInstallPermission(bp.name)) { 9325 // For legacy apps that became modern, install becomes runtime. 9326 grant = GRANT_UPGRADE; 9327 } else if (mPromoteSystemApps 9328 && isSystemApp(ps) 9329 && mExistingSystemPackages.contains(ps.name)) { 9330 // For legacy system apps, install becomes runtime. 9331 // We cannot check hasInstallPermission() for system apps since those 9332 // permissions were granted implicitly and not persisted pre-M. 9333 grant = GRANT_UPGRADE; 9334 } else { 9335 // For modern apps keep runtime permissions unchanged. 9336 grant = GRANT_RUNTIME; 9337 } 9338 } break; 9339 9340 case PermissionInfo.PROTECTION_SIGNATURE: { 9341 // For all apps signature permissions are install time ones. 9342 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9343 if (allowedSig) { 9344 grant = GRANT_INSTALL; 9345 } 9346 } break; 9347 } 9348 9349 if (DEBUG_INSTALL) { 9350 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9351 } 9352 9353 if (grant != GRANT_DENIED) { 9354 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9355 // If this is an existing, non-system package, then 9356 // we can't add any new permissions to it. 9357 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9358 // Except... if this is a permission that was added 9359 // to the platform (note: need to only do this when 9360 // updating the platform). 9361 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9362 grant = GRANT_DENIED; 9363 } 9364 } 9365 } 9366 9367 switch (grant) { 9368 case GRANT_INSTALL: { 9369 // Revoke this as runtime permission to handle the case of 9370 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9371 for (int userId : UserManagerService.getInstance().getUserIds()) { 9372 if (origPermissions.getRuntimePermissionState( 9373 bp.name, userId) != null) { 9374 // Revoke the runtime permission and clear the flags. 9375 origPermissions.revokeRuntimePermission(bp, userId); 9376 origPermissions.updatePermissionFlags(bp, userId, 9377 PackageManager.MASK_PERMISSION_FLAGS, 0); 9378 // If we revoked a permission permission, we have to write. 9379 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9380 changedRuntimePermissionUserIds, userId); 9381 } 9382 } 9383 // Grant an install permission. 9384 if (permissionsState.grantInstallPermission(bp) != 9385 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9386 changedInstallPermission = true; 9387 } 9388 } break; 9389 9390 case GRANT_RUNTIME: { 9391 // Grant previously granted runtime permissions. 9392 for (int userId : UserManagerService.getInstance().getUserIds()) { 9393 PermissionState permissionState = origPermissions 9394 .getRuntimePermissionState(bp.name, userId); 9395 int flags = permissionState != null 9396 ? permissionState.getFlags() : 0; 9397 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9398 if (permissionsState.grantRuntimePermission(bp, userId) == 9399 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9400 // If we cannot put the permission as it was, we have to write. 9401 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9402 changedRuntimePermissionUserIds, userId); 9403 } 9404 // If the app supports runtime permissions no need for a review. 9405 if (Build.PERMISSIONS_REVIEW_REQUIRED 9406 && appSupportsRuntimePermissions 9407 && (flags & PackageManager 9408 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9409 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9410 // Since we changed the flags, we have to write. 9411 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9412 changedRuntimePermissionUserIds, userId); 9413 } 9414 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9415 && !appSupportsRuntimePermissions) { 9416 // For legacy apps that need a permission review, every new 9417 // runtime permission is granted but it is pending a review. 9418 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9419 permissionsState.grantRuntimePermission(bp, userId); 9420 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9421 // We changed the permission and flags, hence have to write. 9422 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9423 changedRuntimePermissionUserIds, userId); 9424 } 9425 } 9426 // Propagate the permission flags. 9427 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9428 } 9429 } break; 9430 9431 case GRANT_UPGRADE: { 9432 // Grant runtime permissions for a previously held install permission. 9433 PermissionState permissionState = origPermissions 9434 .getInstallPermissionState(bp.name); 9435 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9436 9437 if (origPermissions.revokeInstallPermission(bp) 9438 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9439 // We will be transferring the permission flags, so clear them. 9440 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9441 PackageManager.MASK_PERMISSION_FLAGS, 0); 9442 changedInstallPermission = true; 9443 } 9444 9445 // If the permission is not to be promoted to runtime we ignore it and 9446 // also its other flags as they are not applicable to install permissions. 9447 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9448 for (int userId : currentUserIds) { 9449 if (permissionsState.grantRuntimePermission(bp, userId) != 9450 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9451 // Transfer the permission flags. 9452 permissionsState.updatePermissionFlags(bp, userId, 9453 flags, flags); 9454 // If we granted the permission, we have to write. 9455 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9456 changedRuntimePermissionUserIds, userId); 9457 } 9458 } 9459 } 9460 } break; 9461 9462 default: { 9463 if (packageOfInterest == null 9464 || packageOfInterest.equals(pkg.packageName)) { 9465 Slog.w(TAG, "Not granting permission " + perm 9466 + " to package " + pkg.packageName 9467 + " because it was previously installed without"); 9468 } 9469 } break; 9470 } 9471 } else { 9472 if (permissionsState.revokeInstallPermission(bp) != 9473 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9474 // Also drop the permission flags. 9475 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9476 PackageManager.MASK_PERMISSION_FLAGS, 0); 9477 changedInstallPermission = true; 9478 Slog.i(TAG, "Un-granting permission " + perm 9479 + " from package " + pkg.packageName 9480 + " (protectionLevel=" + bp.protectionLevel 9481 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9482 + ")"); 9483 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9484 // Don't print warning for app op permissions, since it is fine for them 9485 // not to be granted, there is a UI for the user to decide. 9486 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9487 Slog.w(TAG, "Not granting permission " + perm 9488 + " to package " + pkg.packageName 9489 + " (protectionLevel=" + bp.protectionLevel 9490 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9491 + ")"); 9492 } 9493 } 9494 } 9495 } 9496 9497 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9498 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9499 // This is the first that we have heard about this package, so the 9500 // permissions we have now selected are fixed until explicitly 9501 // changed. 9502 ps.installPermissionsFixed = true; 9503 } 9504 9505 // Persist the runtime permissions state for users with changes. If permissions 9506 // were revoked because no app in the shared user declares them we have to 9507 // write synchronously to avoid losing runtime permissions state. 9508 for (int userId : changedRuntimePermissionUserIds) { 9509 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9510 } 9511 9512 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9513 } 9514 9515 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9516 boolean allowed = false; 9517 final int NP = PackageParser.NEW_PERMISSIONS.length; 9518 for (int ip=0; ip<NP; ip++) { 9519 final PackageParser.NewPermissionInfo npi 9520 = PackageParser.NEW_PERMISSIONS[ip]; 9521 if (npi.name.equals(perm) 9522 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9523 allowed = true; 9524 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9525 + pkg.packageName); 9526 break; 9527 } 9528 } 9529 return allowed; 9530 } 9531 9532 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9533 BasePermission bp, PermissionsState origPermissions) { 9534 boolean allowed; 9535 allowed = (compareSignatures( 9536 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9537 == PackageManager.SIGNATURE_MATCH) 9538 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9539 == PackageManager.SIGNATURE_MATCH); 9540 if (!allowed && (bp.protectionLevel 9541 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9542 if (isSystemApp(pkg)) { 9543 // For updated system applications, a system permission 9544 // is granted only if it had been defined by the original application. 9545 if (pkg.isUpdatedSystemApp()) { 9546 final PackageSetting sysPs = mSettings 9547 .getDisabledSystemPkgLPr(pkg.packageName); 9548 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9549 // If the original was granted this permission, we take 9550 // that grant decision as read and propagate it to the 9551 // update. 9552 if (sysPs.isPrivileged()) { 9553 allowed = true; 9554 } 9555 } else { 9556 // The system apk may have been updated with an older 9557 // version of the one on the data partition, but which 9558 // granted a new system permission that it didn't have 9559 // before. In this case we do want to allow the app to 9560 // now get the new permission if the ancestral apk is 9561 // privileged to get it. 9562 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9563 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9564 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9565 allowed = true; 9566 break; 9567 } 9568 } 9569 } 9570 // Also if a privileged parent package on the system image or any of 9571 // its children requested a privileged permission, the updated child 9572 // packages can also get the permission. 9573 if (pkg.parentPackage != null) { 9574 final PackageSetting disabledSysParentPs = mSettings 9575 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9576 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9577 && disabledSysParentPs.isPrivileged()) { 9578 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9579 allowed = true; 9580 } else if (disabledSysParentPs.pkg.childPackages != null) { 9581 final int count = disabledSysParentPs.pkg.childPackages.size(); 9582 for (int i = 0; i < count; i++) { 9583 PackageParser.Package disabledSysChildPkg = 9584 disabledSysParentPs.pkg.childPackages.get(i); 9585 if (isPackageRequestingPermission(disabledSysChildPkg, 9586 perm)) { 9587 allowed = true; 9588 break; 9589 } 9590 } 9591 } 9592 } 9593 } 9594 } 9595 } else { 9596 allowed = isPrivilegedApp(pkg); 9597 } 9598 } 9599 } 9600 if (!allowed) { 9601 if (!allowed && (bp.protectionLevel 9602 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9603 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9604 // If this was a previously normal/dangerous permission that got moved 9605 // to a system permission as part of the runtime permission redesign, then 9606 // we still want to blindly grant it to old apps. 9607 allowed = true; 9608 } 9609 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9610 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9611 // If this permission is to be granted to the system installer and 9612 // this app is an installer, then it gets the permission. 9613 allowed = true; 9614 } 9615 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9616 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9617 // If this permission is to be granted to the system verifier and 9618 // this app is a verifier, then it gets the permission. 9619 allowed = true; 9620 } 9621 if (!allowed && (bp.protectionLevel 9622 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9623 && isSystemApp(pkg)) { 9624 // Any pre-installed system app is allowed to get this permission. 9625 allowed = true; 9626 } 9627 if (!allowed && (bp.protectionLevel 9628 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9629 // For development permissions, a development permission 9630 // is granted only if it was already granted. 9631 allowed = origPermissions.hasInstallPermission(perm); 9632 } 9633 } 9634 return allowed; 9635 } 9636 9637 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9638 final int permCount = pkg.requestedPermissions.size(); 9639 for (int j = 0; j < permCount; j++) { 9640 String requestedPermission = pkg.requestedPermissions.get(j); 9641 if (permission.equals(requestedPermission)) { 9642 return true; 9643 } 9644 } 9645 return false; 9646 } 9647 9648 final class ActivityIntentResolver 9649 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9650 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9651 boolean defaultOnly, int userId) { 9652 if (!sUserManager.exists(userId)) return null; 9653 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9654 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9655 } 9656 9657 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9658 int userId) { 9659 if (!sUserManager.exists(userId)) return null; 9660 mFlags = flags; 9661 return super.queryIntent(intent, resolvedType, 9662 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9663 } 9664 9665 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9666 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9667 if (!sUserManager.exists(userId)) return null; 9668 if (packageActivities == null) { 9669 return null; 9670 } 9671 mFlags = flags; 9672 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9673 final int N = packageActivities.size(); 9674 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9675 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9676 9677 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9678 for (int i = 0; i < N; ++i) { 9679 intentFilters = packageActivities.get(i).intents; 9680 if (intentFilters != null && intentFilters.size() > 0) { 9681 PackageParser.ActivityIntentInfo[] array = 9682 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9683 intentFilters.toArray(array); 9684 listCut.add(array); 9685 } 9686 } 9687 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9688 } 9689 9690 public final void addActivity(PackageParser.Activity a, String type) { 9691 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9692 mActivities.put(a.getComponentName(), a); 9693 if (DEBUG_SHOW_INFO) 9694 Log.v( 9695 TAG, " " + type + " " + 9696 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9697 if (DEBUG_SHOW_INFO) 9698 Log.v(TAG, " Class=" + a.info.name); 9699 final int NI = a.intents.size(); 9700 for (int j=0; j<NI; j++) { 9701 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9702 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9703 intent.setPriority(0); 9704 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9705 + a.className + " with priority > 0, forcing to 0"); 9706 } 9707 if (DEBUG_SHOW_INFO) { 9708 Log.v(TAG, " IntentFilter:"); 9709 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9710 } 9711 if (!intent.debugCheck()) { 9712 Log.w(TAG, "==> For Activity " + a.info.name); 9713 } 9714 addFilter(intent); 9715 } 9716 } 9717 9718 public final void removeActivity(PackageParser.Activity a, String type) { 9719 mActivities.remove(a.getComponentName()); 9720 if (DEBUG_SHOW_INFO) { 9721 Log.v(TAG, " " + type + " " 9722 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9723 : a.info.name) + ":"); 9724 Log.v(TAG, " Class=" + a.info.name); 9725 } 9726 final int NI = a.intents.size(); 9727 for (int j=0; j<NI; j++) { 9728 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9729 if (DEBUG_SHOW_INFO) { 9730 Log.v(TAG, " IntentFilter:"); 9731 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9732 } 9733 removeFilter(intent); 9734 } 9735 } 9736 9737 @Override 9738 protected boolean allowFilterResult( 9739 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9740 ActivityInfo filterAi = filter.activity.info; 9741 for (int i=dest.size()-1; i>=0; i--) { 9742 ActivityInfo destAi = dest.get(i).activityInfo; 9743 if (destAi.name == filterAi.name 9744 && destAi.packageName == filterAi.packageName) { 9745 return false; 9746 } 9747 } 9748 return true; 9749 } 9750 9751 @Override 9752 protected ActivityIntentInfo[] newArray(int size) { 9753 return new ActivityIntentInfo[size]; 9754 } 9755 9756 @Override 9757 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9758 if (!sUserManager.exists(userId)) return true; 9759 PackageParser.Package p = filter.activity.owner; 9760 if (p != null) { 9761 PackageSetting ps = (PackageSetting)p.mExtras; 9762 if (ps != null) { 9763 // System apps are never considered stopped for purposes of 9764 // filtering, because there may be no way for the user to 9765 // actually re-launch them. 9766 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9767 && ps.getStopped(userId); 9768 } 9769 } 9770 return false; 9771 } 9772 9773 @Override 9774 protected boolean isPackageForFilter(String packageName, 9775 PackageParser.ActivityIntentInfo info) { 9776 return packageName.equals(info.activity.owner.packageName); 9777 } 9778 9779 @Override 9780 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9781 int match, int userId) { 9782 if (!sUserManager.exists(userId)) return null; 9783 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9784 return null; 9785 } 9786 final PackageParser.Activity activity = info.activity; 9787 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9788 if (ps == null) { 9789 return null; 9790 } 9791 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9792 ps.readUserState(userId), userId); 9793 if (ai == null) { 9794 return null; 9795 } 9796 final ResolveInfo res = new ResolveInfo(); 9797 res.activityInfo = ai; 9798 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9799 res.filter = info; 9800 } 9801 if (info != null) { 9802 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9803 } 9804 res.priority = info.getPriority(); 9805 res.preferredOrder = activity.owner.mPreferredOrder; 9806 //System.out.println("Result: " + res.activityInfo.className + 9807 // " = " + res.priority); 9808 res.match = match; 9809 res.isDefault = info.hasDefault; 9810 res.labelRes = info.labelRes; 9811 res.nonLocalizedLabel = info.nonLocalizedLabel; 9812 if (userNeedsBadging(userId)) { 9813 res.noResourceId = true; 9814 } else { 9815 res.icon = info.icon; 9816 } 9817 res.iconResourceId = info.icon; 9818 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9819 return res; 9820 } 9821 9822 @Override 9823 protected void sortResults(List<ResolveInfo> results) { 9824 Collections.sort(results, mResolvePrioritySorter); 9825 } 9826 9827 @Override 9828 protected void dumpFilter(PrintWriter out, String prefix, 9829 PackageParser.ActivityIntentInfo filter) { 9830 out.print(prefix); out.print( 9831 Integer.toHexString(System.identityHashCode(filter.activity))); 9832 out.print(' '); 9833 filter.activity.printComponentShortName(out); 9834 out.print(" filter "); 9835 out.println(Integer.toHexString(System.identityHashCode(filter))); 9836 } 9837 9838 @Override 9839 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9840 return filter.activity; 9841 } 9842 9843 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9844 PackageParser.Activity activity = (PackageParser.Activity)label; 9845 out.print(prefix); out.print( 9846 Integer.toHexString(System.identityHashCode(activity))); 9847 out.print(' '); 9848 activity.printComponentShortName(out); 9849 if (count > 1) { 9850 out.print(" ("); out.print(count); out.print(" filters)"); 9851 } 9852 out.println(); 9853 } 9854 9855// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9856// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9857// final List<ResolveInfo> retList = Lists.newArrayList(); 9858// while (i.hasNext()) { 9859// final ResolveInfo resolveInfo = i.next(); 9860// if (isEnabledLP(resolveInfo.activityInfo)) { 9861// retList.add(resolveInfo); 9862// } 9863// } 9864// return retList; 9865// } 9866 9867 // Keys are String (activity class name), values are Activity. 9868 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9869 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9870 private int mFlags; 9871 } 9872 9873 private final class ServiceIntentResolver 9874 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9875 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9876 boolean defaultOnly, int userId) { 9877 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9878 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9879 } 9880 9881 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9882 int userId) { 9883 if (!sUserManager.exists(userId)) return null; 9884 mFlags = flags; 9885 return super.queryIntent(intent, resolvedType, 9886 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9887 } 9888 9889 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9890 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9891 if (!sUserManager.exists(userId)) return null; 9892 if (packageServices == null) { 9893 return null; 9894 } 9895 mFlags = flags; 9896 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9897 final int N = packageServices.size(); 9898 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9899 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9900 9901 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9902 for (int i = 0; i < N; ++i) { 9903 intentFilters = packageServices.get(i).intents; 9904 if (intentFilters != null && intentFilters.size() > 0) { 9905 PackageParser.ServiceIntentInfo[] array = 9906 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9907 intentFilters.toArray(array); 9908 listCut.add(array); 9909 } 9910 } 9911 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9912 } 9913 9914 public final void addService(PackageParser.Service s) { 9915 mServices.put(s.getComponentName(), s); 9916 if (DEBUG_SHOW_INFO) { 9917 Log.v(TAG, " " 9918 + (s.info.nonLocalizedLabel != null 9919 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9920 Log.v(TAG, " Class=" + s.info.name); 9921 } 9922 final int NI = s.intents.size(); 9923 int j; 9924 for (j=0; j<NI; j++) { 9925 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9926 if (DEBUG_SHOW_INFO) { 9927 Log.v(TAG, " IntentFilter:"); 9928 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9929 } 9930 if (!intent.debugCheck()) { 9931 Log.w(TAG, "==> For Service " + s.info.name); 9932 } 9933 addFilter(intent); 9934 } 9935 } 9936 9937 public final void removeService(PackageParser.Service s) { 9938 mServices.remove(s.getComponentName()); 9939 if (DEBUG_SHOW_INFO) { 9940 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9941 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9942 Log.v(TAG, " Class=" + s.info.name); 9943 } 9944 final int NI = s.intents.size(); 9945 int j; 9946 for (j=0; j<NI; j++) { 9947 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9948 if (DEBUG_SHOW_INFO) { 9949 Log.v(TAG, " IntentFilter:"); 9950 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9951 } 9952 removeFilter(intent); 9953 } 9954 } 9955 9956 @Override 9957 protected boolean allowFilterResult( 9958 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9959 ServiceInfo filterSi = filter.service.info; 9960 for (int i=dest.size()-1; i>=0; i--) { 9961 ServiceInfo destAi = dest.get(i).serviceInfo; 9962 if (destAi.name == filterSi.name 9963 && destAi.packageName == filterSi.packageName) { 9964 return false; 9965 } 9966 } 9967 return true; 9968 } 9969 9970 @Override 9971 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9972 return new PackageParser.ServiceIntentInfo[size]; 9973 } 9974 9975 @Override 9976 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9977 if (!sUserManager.exists(userId)) return true; 9978 PackageParser.Package p = filter.service.owner; 9979 if (p != null) { 9980 PackageSetting ps = (PackageSetting)p.mExtras; 9981 if (ps != null) { 9982 // System apps are never considered stopped for purposes of 9983 // filtering, because there may be no way for the user to 9984 // actually re-launch them. 9985 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9986 && ps.getStopped(userId); 9987 } 9988 } 9989 return false; 9990 } 9991 9992 @Override 9993 protected boolean isPackageForFilter(String packageName, 9994 PackageParser.ServiceIntentInfo info) { 9995 return packageName.equals(info.service.owner.packageName); 9996 } 9997 9998 @Override 9999 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10000 int match, int userId) { 10001 if (!sUserManager.exists(userId)) return null; 10002 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10003 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10004 return null; 10005 } 10006 final PackageParser.Service service = info.service; 10007 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10008 if (ps == null) { 10009 return null; 10010 } 10011 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10012 ps.readUserState(userId), userId); 10013 if (si == null) { 10014 return null; 10015 } 10016 final ResolveInfo res = new ResolveInfo(); 10017 res.serviceInfo = si; 10018 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10019 res.filter = filter; 10020 } 10021 res.priority = info.getPriority(); 10022 res.preferredOrder = service.owner.mPreferredOrder; 10023 res.match = match; 10024 res.isDefault = info.hasDefault; 10025 res.labelRes = info.labelRes; 10026 res.nonLocalizedLabel = info.nonLocalizedLabel; 10027 res.icon = info.icon; 10028 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10029 return res; 10030 } 10031 10032 @Override 10033 protected void sortResults(List<ResolveInfo> results) { 10034 Collections.sort(results, mResolvePrioritySorter); 10035 } 10036 10037 @Override 10038 protected void dumpFilter(PrintWriter out, String prefix, 10039 PackageParser.ServiceIntentInfo filter) { 10040 out.print(prefix); out.print( 10041 Integer.toHexString(System.identityHashCode(filter.service))); 10042 out.print(' '); 10043 filter.service.printComponentShortName(out); 10044 out.print(" filter "); 10045 out.println(Integer.toHexString(System.identityHashCode(filter))); 10046 } 10047 10048 @Override 10049 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10050 return filter.service; 10051 } 10052 10053 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10054 PackageParser.Service service = (PackageParser.Service)label; 10055 out.print(prefix); out.print( 10056 Integer.toHexString(System.identityHashCode(service))); 10057 out.print(' '); 10058 service.printComponentShortName(out); 10059 if (count > 1) { 10060 out.print(" ("); out.print(count); out.print(" filters)"); 10061 } 10062 out.println(); 10063 } 10064 10065// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10066// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10067// final List<ResolveInfo> retList = Lists.newArrayList(); 10068// while (i.hasNext()) { 10069// final ResolveInfo resolveInfo = (ResolveInfo) i; 10070// if (isEnabledLP(resolveInfo.serviceInfo)) { 10071// retList.add(resolveInfo); 10072// } 10073// } 10074// return retList; 10075// } 10076 10077 // Keys are String (activity class name), values are Activity. 10078 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10079 = new ArrayMap<ComponentName, PackageParser.Service>(); 10080 private int mFlags; 10081 }; 10082 10083 private final class ProviderIntentResolver 10084 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10085 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10086 boolean defaultOnly, int userId) { 10087 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10088 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10089 } 10090 10091 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10092 int userId) { 10093 if (!sUserManager.exists(userId)) 10094 return null; 10095 mFlags = flags; 10096 return super.queryIntent(intent, resolvedType, 10097 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10098 } 10099 10100 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10101 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10102 if (!sUserManager.exists(userId)) 10103 return null; 10104 if (packageProviders == null) { 10105 return null; 10106 } 10107 mFlags = flags; 10108 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10109 final int N = packageProviders.size(); 10110 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10111 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10112 10113 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10114 for (int i = 0; i < N; ++i) { 10115 intentFilters = packageProviders.get(i).intents; 10116 if (intentFilters != null && intentFilters.size() > 0) { 10117 PackageParser.ProviderIntentInfo[] array = 10118 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10119 intentFilters.toArray(array); 10120 listCut.add(array); 10121 } 10122 } 10123 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10124 } 10125 10126 public final void addProvider(PackageParser.Provider p) { 10127 if (mProviders.containsKey(p.getComponentName())) { 10128 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10129 return; 10130 } 10131 10132 mProviders.put(p.getComponentName(), p); 10133 if (DEBUG_SHOW_INFO) { 10134 Log.v(TAG, " " 10135 + (p.info.nonLocalizedLabel != null 10136 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10137 Log.v(TAG, " Class=" + p.info.name); 10138 } 10139 final int NI = p.intents.size(); 10140 int j; 10141 for (j = 0; j < NI; j++) { 10142 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10143 if (DEBUG_SHOW_INFO) { 10144 Log.v(TAG, " IntentFilter:"); 10145 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10146 } 10147 if (!intent.debugCheck()) { 10148 Log.w(TAG, "==> For Provider " + p.info.name); 10149 } 10150 addFilter(intent); 10151 } 10152 } 10153 10154 public final void removeProvider(PackageParser.Provider p) { 10155 mProviders.remove(p.getComponentName()); 10156 if (DEBUG_SHOW_INFO) { 10157 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10158 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10159 Log.v(TAG, " Class=" + p.info.name); 10160 } 10161 final int NI = p.intents.size(); 10162 int j; 10163 for (j = 0; j < NI; j++) { 10164 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10165 if (DEBUG_SHOW_INFO) { 10166 Log.v(TAG, " IntentFilter:"); 10167 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10168 } 10169 removeFilter(intent); 10170 } 10171 } 10172 10173 @Override 10174 protected boolean allowFilterResult( 10175 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10176 ProviderInfo filterPi = filter.provider.info; 10177 for (int i = dest.size() - 1; i >= 0; i--) { 10178 ProviderInfo destPi = dest.get(i).providerInfo; 10179 if (destPi.name == filterPi.name 10180 && destPi.packageName == filterPi.packageName) { 10181 return false; 10182 } 10183 } 10184 return true; 10185 } 10186 10187 @Override 10188 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10189 return new PackageParser.ProviderIntentInfo[size]; 10190 } 10191 10192 @Override 10193 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10194 if (!sUserManager.exists(userId)) 10195 return true; 10196 PackageParser.Package p = filter.provider.owner; 10197 if (p != null) { 10198 PackageSetting ps = (PackageSetting) p.mExtras; 10199 if (ps != null) { 10200 // System apps are never considered stopped for purposes of 10201 // filtering, because there may be no way for the user to 10202 // actually re-launch them. 10203 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10204 && ps.getStopped(userId); 10205 } 10206 } 10207 return false; 10208 } 10209 10210 @Override 10211 protected boolean isPackageForFilter(String packageName, 10212 PackageParser.ProviderIntentInfo info) { 10213 return packageName.equals(info.provider.owner.packageName); 10214 } 10215 10216 @Override 10217 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10218 int match, int userId) { 10219 if (!sUserManager.exists(userId)) 10220 return null; 10221 final PackageParser.ProviderIntentInfo info = filter; 10222 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10223 return null; 10224 } 10225 final PackageParser.Provider provider = info.provider; 10226 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10227 if (ps == null) { 10228 return null; 10229 } 10230 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10231 ps.readUserState(userId), userId); 10232 if (pi == null) { 10233 return null; 10234 } 10235 final ResolveInfo res = new ResolveInfo(); 10236 res.providerInfo = pi; 10237 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10238 res.filter = filter; 10239 } 10240 res.priority = info.getPriority(); 10241 res.preferredOrder = provider.owner.mPreferredOrder; 10242 res.match = match; 10243 res.isDefault = info.hasDefault; 10244 res.labelRes = info.labelRes; 10245 res.nonLocalizedLabel = info.nonLocalizedLabel; 10246 res.icon = info.icon; 10247 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10248 return res; 10249 } 10250 10251 @Override 10252 protected void sortResults(List<ResolveInfo> results) { 10253 Collections.sort(results, mResolvePrioritySorter); 10254 } 10255 10256 @Override 10257 protected void dumpFilter(PrintWriter out, String prefix, 10258 PackageParser.ProviderIntentInfo filter) { 10259 out.print(prefix); 10260 out.print( 10261 Integer.toHexString(System.identityHashCode(filter.provider))); 10262 out.print(' '); 10263 filter.provider.printComponentShortName(out); 10264 out.print(" filter "); 10265 out.println(Integer.toHexString(System.identityHashCode(filter))); 10266 } 10267 10268 @Override 10269 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10270 return filter.provider; 10271 } 10272 10273 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10274 PackageParser.Provider provider = (PackageParser.Provider)label; 10275 out.print(prefix); out.print( 10276 Integer.toHexString(System.identityHashCode(provider))); 10277 out.print(' '); 10278 provider.printComponentShortName(out); 10279 if (count > 1) { 10280 out.print(" ("); out.print(count); out.print(" filters)"); 10281 } 10282 out.println(); 10283 } 10284 10285 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10286 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10287 private int mFlags; 10288 } 10289 10290 private static final class EphemeralIntentResolver 10291 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10292 @Override 10293 protected EphemeralResolveIntentInfo[] newArray(int size) { 10294 return new EphemeralResolveIntentInfo[size]; 10295 } 10296 10297 @Override 10298 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10299 return true; 10300 } 10301 10302 @Override 10303 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10304 int userId) { 10305 if (!sUserManager.exists(userId)) { 10306 return null; 10307 } 10308 return info.getEphemeralResolveInfo(); 10309 } 10310 } 10311 10312 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10313 new Comparator<ResolveInfo>() { 10314 public int compare(ResolveInfo r1, ResolveInfo r2) { 10315 int v1 = r1.priority; 10316 int v2 = r2.priority; 10317 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10318 if (v1 != v2) { 10319 return (v1 > v2) ? -1 : 1; 10320 } 10321 v1 = r1.preferredOrder; 10322 v2 = r2.preferredOrder; 10323 if (v1 != v2) { 10324 return (v1 > v2) ? -1 : 1; 10325 } 10326 if (r1.isDefault != r2.isDefault) { 10327 return r1.isDefault ? -1 : 1; 10328 } 10329 v1 = r1.match; 10330 v2 = r2.match; 10331 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10332 if (v1 != v2) { 10333 return (v1 > v2) ? -1 : 1; 10334 } 10335 if (r1.system != r2.system) { 10336 return r1.system ? -1 : 1; 10337 } 10338 if (r1.activityInfo != null) { 10339 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10340 } 10341 if (r1.serviceInfo != null) { 10342 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10343 } 10344 if (r1.providerInfo != null) { 10345 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10346 } 10347 return 0; 10348 } 10349 }; 10350 10351 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10352 new Comparator<ProviderInfo>() { 10353 public int compare(ProviderInfo p1, ProviderInfo p2) { 10354 final int v1 = p1.initOrder; 10355 final int v2 = p2.initOrder; 10356 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10357 } 10358 }; 10359 10360 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10361 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10362 final int[] userIds) { 10363 mHandler.post(new Runnable() { 10364 @Override 10365 public void run() { 10366 try { 10367 final IActivityManager am = ActivityManagerNative.getDefault(); 10368 if (am == null) return; 10369 final int[] resolvedUserIds; 10370 if (userIds == null) { 10371 resolvedUserIds = am.getRunningUserIds(); 10372 } else { 10373 resolvedUserIds = userIds; 10374 } 10375 for (int id : resolvedUserIds) { 10376 final Intent intent = new Intent(action, 10377 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10378 if (extras != null) { 10379 intent.putExtras(extras); 10380 } 10381 if (targetPkg != null) { 10382 intent.setPackage(targetPkg); 10383 } 10384 // Modify the UID when posting to other users 10385 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10386 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10387 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10388 intent.putExtra(Intent.EXTRA_UID, uid); 10389 } 10390 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10391 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10392 if (DEBUG_BROADCASTS) { 10393 RuntimeException here = new RuntimeException("here"); 10394 here.fillInStackTrace(); 10395 Slog.d(TAG, "Sending to user " + id + ": " 10396 + intent.toShortString(false, true, false, false) 10397 + " " + intent.getExtras(), here); 10398 } 10399 am.broadcastIntent(null, intent, null, finishedReceiver, 10400 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10401 null, finishedReceiver != null, false, id); 10402 } 10403 } catch (RemoteException ex) { 10404 } 10405 } 10406 }); 10407 } 10408 10409 /** 10410 * Check if the external storage media is available. This is true if there 10411 * is a mounted external storage medium or if the external storage is 10412 * emulated. 10413 */ 10414 private boolean isExternalMediaAvailable() { 10415 return mMediaMounted || Environment.isExternalStorageEmulated(); 10416 } 10417 10418 @Override 10419 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10420 // writer 10421 synchronized (mPackages) { 10422 if (!isExternalMediaAvailable()) { 10423 // If the external storage is no longer mounted at this point, 10424 // the caller may not have been able to delete all of this 10425 // packages files and can not delete any more. Bail. 10426 return null; 10427 } 10428 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10429 if (lastPackage != null) { 10430 pkgs.remove(lastPackage); 10431 } 10432 if (pkgs.size() > 0) { 10433 return pkgs.get(0); 10434 } 10435 } 10436 return null; 10437 } 10438 10439 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10440 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10441 userId, andCode ? 1 : 0, packageName); 10442 if (mSystemReady) { 10443 msg.sendToTarget(); 10444 } else { 10445 if (mPostSystemReadyMessages == null) { 10446 mPostSystemReadyMessages = new ArrayList<>(); 10447 } 10448 mPostSystemReadyMessages.add(msg); 10449 } 10450 } 10451 10452 void startCleaningPackages() { 10453 // reader 10454 if (!isExternalMediaAvailable()) { 10455 return; 10456 } 10457 synchronized (mPackages) { 10458 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10459 return; 10460 } 10461 } 10462 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10463 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10464 IActivityManager am = ActivityManagerNative.getDefault(); 10465 if (am != null) { 10466 try { 10467 am.startService(null, intent, null, mContext.getOpPackageName(), 10468 UserHandle.USER_SYSTEM); 10469 } catch (RemoteException e) { 10470 } 10471 } 10472 } 10473 10474 @Override 10475 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10476 int installFlags, String installerPackageName, int userId) { 10477 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10478 10479 final int callingUid = Binder.getCallingUid(); 10480 enforceCrossUserPermission(callingUid, userId, 10481 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 10482 10483 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10484 try { 10485 if (observer != null) { 10486 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10487 } 10488 } catch (RemoteException re) { 10489 } 10490 return; 10491 } 10492 10493 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10494 installFlags |= PackageManager.INSTALL_FROM_ADB; 10495 10496 } else { 10497 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10498 // about installerPackageName. 10499 10500 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10501 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10502 } 10503 10504 UserHandle user; 10505 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10506 user = UserHandle.ALL; 10507 } else { 10508 user = new UserHandle(userId); 10509 } 10510 10511 // Only system components can circumvent runtime permissions when installing. 10512 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10513 && mContext.checkCallingOrSelfPermission(Manifest.permission 10514 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10515 throw new SecurityException("You need the " 10516 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10517 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10518 } 10519 10520 final File originFile = new File(originPath); 10521 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10522 10523 final Message msg = mHandler.obtainMessage(INIT_COPY); 10524 final VerificationInfo verificationInfo = new VerificationInfo( 10525 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 10526 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 10527 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 10528 null /*packageAbiOverride*/, null /*grantedPermissions*/); 10529 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10530 msg.obj = params; 10531 10532 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10533 System.identityHashCode(msg.obj)); 10534 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10535 System.identityHashCode(msg.obj)); 10536 10537 mHandler.sendMessage(msg); 10538 } 10539 10540 void installStage(String packageName, File stagedDir, String stagedCid, 10541 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10542 String installerPackageName, int installerUid, UserHandle user) { 10543 if (DEBUG_EPHEMERAL) { 10544 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10545 Slog.d(TAG, "Ephemeral install of " + packageName); 10546 } 10547 } 10548 final VerificationInfo verificationInfo = new VerificationInfo( 10549 sessionParams.originatingUri, sessionParams.referrerUri, 10550 sessionParams.originatingUid, installerUid); 10551 10552 final OriginInfo origin; 10553 if (stagedDir != null) { 10554 origin = OriginInfo.fromStagedFile(stagedDir); 10555 } else { 10556 origin = OriginInfo.fromStagedContainer(stagedCid); 10557 } 10558 10559 final Message msg = mHandler.obtainMessage(INIT_COPY); 10560 final InstallParams params = new InstallParams(origin, null, observer, 10561 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10562 verificationInfo, user, sessionParams.abiOverride, 10563 sessionParams.grantedRuntimePermissions); 10564 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10565 msg.obj = params; 10566 10567 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10568 System.identityHashCode(msg.obj)); 10569 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10570 System.identityHashCode(msg.obj)); 10571 10572 mHandler.sendMessage(msg); 10573 } 10574 10575 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 10576 int userId) { 10577 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10578 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 10579 } 10580 10581 private void sendPackageAddedForUser(String packageName, boolean isSystem, 10582 int appId, int userId) { 10583 Bundle extras = new Bundle(1); 10584 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 10585 10586 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10587 packageName, extras, 0, null, null, new int[] {userId}); 10588 try { 10589 IActivityManager am = ActivityManagerNative.getDefault(); 10590 if (isSystem && am.isUserRunning(userId, 0)) { 10591 // The just-installed/enabled app is bundled on the system, so presumed 10592 // to be able to run automatically without needing an explicit launch. 10593 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10594 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10595 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10596 .setPackage(packageName); 10597 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10598 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10599 } 10600 } catch (RemoteException e) { 10601 // shouldn't happen 10602 Slog.w(TAG, "Unable to bootstrap installed package", e); 10603 } 10604 } 10605 10606 @Override 10607 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10608 int userId) { 10609 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10610 PackageSetting pkgSetting; 10611 final int uid = Binder.getCallingUid(); 10612 enforceCrossUserPermission(uid, userId, 10613 true /* requireFullPermission */, true /* checkShell */, 10614 "setApplicationHiddenSetting for user " + userId); 10615 10616 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10617 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10618 return false; 10619 } 10620 10621 long callingId = Binder.clearCallingIdentity(); 10622 try { 10623 boolean sendAdded = false; 10624 boolean sendRemoved = false; 10625 // writer 10626 synchronized (mPackages) { 10627 pkgSetting = mSettings.mPackages.get(packageName); 10628 if (pkgSetting == null) { 10629 return false; 10630 } 10631 if (pkgSetting.getHidden(userId) != hidden) { 10632 pkgSetting.setHidden(hidden, userId); 10633 mSettings.writePackageRestrictionsLPr(userId); 10634 if (hidden) { 10635 sendRemoved = true; 10636 } else { 10637 sendAdded = true; 10638 } 10639 } 10640 } 10641 if (sendAdded) { 10642 sendPackageAddedForUser(packageName, pkgSetting, userId); 10643 return true; 10644 } 10645 if (sendRemoved) { 10646 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10647 "hiding pkg"); 10648 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10649 return true; 10650 } 10651 } finally { 10652 Binder.restoreCallingIdentity(callingId); 10653 } 10654 return false; 10655 } 10656 10657 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10658 int userId) { 10659 final PackageRemovedInfo info = new PackageRemovedInfo(); 10660 info.removedPackage = packageName; 10661 info.removedUsers = new int[] {userId}; 10662 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10663 info.sendPackageRemovedBroadcasts(true /*killApp*/); 10664 } 10665 10666 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 10667 if (pkgList.length > 0) { 10668 Bundle extras = new Bundle(1); 10669 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 10670 10671 sendPackageBroadcast( 10672 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 10673 : Intent.ACTION_PACKAGES_UNSUSPENDED, 10674 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 10675 new int[] {userId}); 10676 } 10677 } 10678 10679 /** 10680 * Returns true if application is not found or there was an error. Otherwise it returns 10681 * the hidden state of the package for the given user. 10682 */ 10683 @Override 10684 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10685 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10686 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10687 true /* requireFullPermission */, false /* checkShell */, 10688 "getApplicationHidden for user " + userId); 10689 PackageSetting pkgSetting; 10690 long callingId = Binder.clearCallingIdentity(); 10691 try { 10692 // writer 10693 synchronized (mPackages) { 10694 pkgSetting = mSettings.mPackages.get(packageName); 10695 if (pkgSetting == null) { 10696 return true; 10697 } 10698 return pkgSetting.getHidden(userId); 10699 } 10700 } finally { 10701 Binder.restoreCallingIdentity(callingId); 10702 } 10703 } 10704 10705 /** 10706 * @hide 10707 */ 10708 @Override 10709 public int installExistingPackageAsUser(String packageName, int userId) { 10710 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10711 null); 10712 PackageSetting pkgSetting; 10713 final int uid = Binder.getCallingUid(); 10714 enforceCrossUserPermission(uid, userId, 10715 true /* requireFullPermission */, true /* checkShell */, 10716 "installExistingPackage for user " + userId); 10717 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10718 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10719 } 10720 10721 long callingId = Binder.clearCallingIdentity(); 10722 try { 10723 boolean installed = false; 10724 10725 // writer 10726 synchronized (mPackages) { 10727 pkgSetting = mSettings.mPackages.get(packageName); 10728 if (pkgSetting == null) { 10729 return PackageManager.INSTALL_FAILED_INVALID_URI; 10730 } 10731 if (!pkgSetting.getInstalled(userId)) { 10732 pkgSetting.setInstalled(true, userId); 10733 pkgSetting.setHidden(false, userId); 10734 mSettings.writePackageRestrictionsLPr(userId); 10735 installed = true; 10736 } 10737 } 10738 10739 if (installed) { 10740 if (pkgSetting.pkg != null) { 10741 prepareAppDataAfterInstall(pkgSetting.pkg); 10742 } 10743 sendPackageAddedForUser(packageName, pkgSetting, userId); 10744 } 10745 } finally { 10746 Binder.restoreCallingIdentity(callingId); 10747 } 10748 10749 return PackageManager.INSTALL_SUCCEEDED; 10750 } 10751 10752 boolean isUserRestricted(int userId, String restrictionKey) { 10753 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10754 if (restrictions.getBoolean(restrictionKey, false)) { 10755 Log.w(TAG, "User is restricted: " + restrictionKey); 10756 return true; 10757 } 10758 return false; 10759 } 10760 10761 @Override 10762 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 10763 int userId) { 10764 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10765 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10766 true /* requireFullPermission */, true /* checkShell */, 10767 "setPackagesSuspended for user " + userId); 10768 10769 if (ArrayUtils.isEmpty(packageNames)) { 10770 return packageNames; 10771 } 10772 10773 // List of package names for whom the suspended state has changed. 10774 List<String> changedPackages = new ArrayList<>(packageNames.length); 10775 // List of package names for whom the suspended state is not set as requested in this 10776 // method. 10777 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 10778 for (int i = 0; i < packageNames.length; i++) { 10779 String packageName = packageNames[i]; 10780 long callingId = Binder.clearCallingIdentity(); 10781 try { 10782 boolean changed = false; 10783 final int appId; 10784 synchronized (mPackages) { 10785 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10786 if (pkgSetting == null) { 10787 Slog.w(TAG, "Could not find package setting for package \"" + packageName 10788 + "\". Skipping suspending/un-suspending."); 10789 unactionedPackages.add(packageName); 10790 continue; 10791 } 10792 appId = pkgSetting.appId; 10793 if (pkgSetting.getSuspended(userId) != suspended) { 10794 if (!canSuspendPackageForUserLocked(packageName, userId)) { 10795 unactionedPackages.add(packageName); 10796 continue; 10797 } 10798 pkgSetting.setSuspended(suspended, userId); 10799 mSettings.writePackageRestrictionsLPr(userId); 10800 changed = true; 10801 changedPackages.add(packageName); 10802 } 10803 } 10804 10805 if (changed && suspended) { 10806 killApplication(packageName, UserHandle.getUid(userId, appId), 10807 "suspending package"); 10808 } 10809 } finally { 10810 Binder.restoreCallingIdentity(callingId); 10811 } 10812 } 10813 10814 if (!changedPackages.isEmpty()) { 10815 sendPackagesSuspendedForUser(changedPackages.toArray( 10816 new String[changedPackages.size()]), userId, suspended); 10817 } 10818 10819 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 10820 } 10821 10822 @Override 10823 public boolean isPackageSuspendedForUser(String packageName, int userId) { 10824 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10825 true /* requireFullPermission */, false /* checkShell */, 10826 "isPackageSuspendedForUser for user " + userId); 10827 synchronized (mPackages) { 10828 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10829 return pkgSetting != null && pkgSetting.getSuspended(userId); 10830 } 10831 } 10832 10833 /** 10834 * TODO: cache and disallow blocking the active dialer. 10835 * 10836 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 10837 */ 10838 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 10839 if (isPackageDeviceAdmin(packageName, userId)) { 10840 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10841 + "\": has an active device admin"); 10842 return false; 10843 } 10844 10845 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 10846 if (packageName.equals(activeLauncherPackageName)) { 10847 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10848 + "\": contains the active launcher"); 10849 return false; 10850 } 10851 10852 if (packageName.equals(mRequiredInstallerPackage)) { 10853 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10854 + "\": required for package installation"); 10855 return false; 10856 } 10857 10858 if (packageName.equals(mRequiredVerifierPackage)) { 10859 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10860 + "\": required for package verification"); 10861 return false; 10862 } 10863 10864 final PackageParser.Package pkg = mPackages.get(packageName); 10865 if (pkg != null && isPrivilegedApp(pkg)) { 10866 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10867 + "\": is a privileged app"); 10868 return false; 10869 } 10870 10871 return true; 10872 } 10873 10874 private String getActiveLauncherPackageName(int userId) { 10875 Intent intent = new Intent(Intent.ACTION_MAIN); 10876 intent.addCategory(Intent.CATEGORY_HOME); 10877 ResolveInfo resolveInfo = resolveIntent( 10878 intent, 10879 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 10880 PackageManager.MATCH_DEFAULT_ONLY, 10881 userId); 10882 10883 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 10884 } 10885 10886 @Override 10887 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10888 mContext.enforceCallingOrSelfPermission( 10889 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10890 "Only package verification agents can verify applications"); 10891 10892 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10893 final PackageVerificationResponse response = new PackageVerificationResponse( 10894 verificationCode, Binder.getCallingUid()); 10895 msg.arg1 = id; 10896 msg.obj = response; 10897 mHandler.sendMessage(msg); 10898 } 10899 10900 @Override 10901 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10902 long millisecondsToDelay) { 10903 mContext.enforceCallingOrSelfPermission( 10904 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10905 "Only package verification agents can extend verification timeouts"); 10906 10907 final PackageVerificationState state = mPendingVerification.get(id); 10908 final PackageVerificationResponse response = new PackageVerificationResponse( 10909 verificationCodeAtTimeout, Binder.getCallingUid()); 10910 10911 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10912 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10913 } 10914 if (millisecondsToDelay < 0) { 10915 millisecondsToDelay = 0; 10916 } 10917 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10918 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10919 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10920 } 10921 10922 if ((state != null) && !state.timeoutExtended()) { 10923 state.extendTimeout(); 10924 10925 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10926 msg.arg1 = id; 10927 msg.obj = response; 10928 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10929 } 10930 } 10931 10932 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10933 int verificationCode, UserHandle user) { 10934 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10935 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10936 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10937 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10938 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10939 10940 mContext.sendBroadcastAsUser(intent, user, 10941 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10942 } 10943 10944 private ComponentName matchComponentForVerifier(String packageName, 10945 List<ResolveInfo> receivers) { 10946 ActivityInfo targetReceiver = null; 10947 10948 final int NR = receivers.size(); 10949 for (int i = 0; i < NR; i++) { 10950 final ResolveInfo info = receivers.get(i); 10951 if (info.activityInfo == null) { 10952 continue; 10953 } 10954 10955 if (packageName.equals(info.activityInfo.packageName)) { 10956 targetReceiver = info.activityInfo; 10957 break; 10958 } 10959 } 10960 10961 if (targetReceiver == null) { 10962 return null; 10963 } 10964 10965 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10966 } 10967 10968 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10969 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10970 if (pkgInfo.verifiers.length == 0) { 10971 return null; 10972 } 10973 10974 final int N = pkgInfo.verifiers.length; 10975 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10976 for (int i = 0; i < N; i++) { 10977 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10978 10979 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10980 receivers); 10981 if (comp == null) { 10982 continue; 10983 } 10984 10985 final int verifierUid = getUidForVerifier(verifierInfo); 10986 if (verifierUid == -1) { 10987 continue; 10988 } 10989 10990 if (DEBUG_VERIFY) { 10991 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10992 + " with the correct signature"); 10993 } 10994 sufficientVerifiers.add(comp); 10995 verificationState.addSufficientVerifier(verifierUid); 10996 } 10997 10998 return sufficientVerifiers; 10999 } 11000 11001 private int getUidForVerifier(VerifierInfo verifierInfo) { 11002 synchronized (mPackages) { 11003 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11004 if (pkg == null) { 11005 return -1; 11006 } else if (pkg.mSignatures.length != 1) { 11007 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11008 + " has more than one signature; ignoring"); 11009 return -1; 11010 } 11011 11012 /* 11013 * If the public key of the package's signature does not match 11014 * our expected public key, then this is a different package and 11015 * we should skip. 11016 */ 11017 11018 final byte[] expectedPublicKey; 11019 try { 11020 final Signature verifierSig = pkg.mSignatures[0]; 11021 final PublicKey publicKey = verifierSig.getPublicKey(); 11022 expectedPublicKey = publicKey.getEncoded(); 11023 } catch (CertificateException e) { 11024 return -1; 11025 } 11026 11027 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11028 11029 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11030 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11031 + " does not have the expected public key; ignoring"); 11032 return -1; 11033 } 11034 11035 return pkg.applicationInfo.uid; 11036 } 11037 } 11038 11039 @Override 11040 public void finishPackageInstall(int token) { 11041 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11042 11043 if (DEBUG_INSTALL) { 11044 Slog.v(TAG, "BM finishing package install for " + token); 11045 } 11046 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11047 11048 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11049 mHandler.sendMessage(msg); 11050 } 11051 11052 /** 11053 * Get the verification agent timeout. 11054 * 11055 * @return verification timeout in milliseconds 11056 */ 11057 private long getVerificationTimeout() { 11058 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11059 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11060 DEFAULT_VERIFICATION_TIMEOUT); 11061 } 11062 11063 /** 11064 * Get the default verification agent response code. 11065 * 11066 * @return default verification response code 11067 */ 11068 private int getDefaultVerificationResponse() { 11069 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11070 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11071 DEFAULT_VERIFICATION_RESPONSE); 11072 } 11073 11074 /** 11075 * Check whether or not package verification has been enabled. 11076 * 11077 * @return true if verification should be performed 11078 */ 11079 private boolean isVerificationEnabled(int userId, int installFlags) { 11080 if (!DEFAULT_VERIFY_ENABLE) { 11081 return false; 11082 } 11083 // Ephemeral apps don't get the full verification treatment 11084 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11085 if (DEBUG_EPHEMERAL) { 11086 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11087 } 11088 return false; 11089 } 11090 11091 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11092 11093 // Check if installing from ADB 11094 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11095 // Do not run verification in a test harness environment 11096 if (ActivityManager.isRunningInTestHarness()) { 11097 return false; 11098 } 11099 if (ensureVerifyAppsEnabled) { 11100 return true; 11101 } 11102 // Check if the developer does not want package verification for ADB installs 11103 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11104 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11105 return false; 11106 } 11107 } 11108 11109 if (ensureVerifyAppsEnabled) { 11110 return true; 11111 } 11112 11113 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11114 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11115 } 11116 11117 @Override 11118 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11119 throws RemoteException { 11120 mContext.enforceCallingOrSelfPermission( 11121 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11122 "Only intentfilter verification agents can verify applications"); 11123 11124 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11125 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11126 Binder.getCallingUid(), verificationCode, failedDomains); 11127 msg.arg1 = id; 11128 msg.obj = response; 11129 mHandler.sendMessage(msg); 11130 } 11131 11132 @Override 11133 public int getIntentVerificationStatus(String packageName, int userId) { 11134 synchronized (mPackages) { 11135 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11136 } 11137 } 11138 11139 @Override 11140 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11141 mContext.enforceCallingOrSelfPermission( 11142 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11143 11144 boolean result = false; 11145 synchronized (mPackages) { 11146 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11147 } 11148 if (result) { 11149 scheduleWritePackageRestrictionsLocked(userId); 11150 } 11151 return result; 11152 } 11153 11154 @Override 11155 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11156 String packageName) { 11157 synchronized (mPackages) { 11158 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11159 } 11160 } 11161 11162 @Override 11163 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11164 if (TextUtils.isEmpty(packageName)) { 11165 return ParceledListSlice.emptyList(); 11166 } 11167 synchronized (mPackages) { 11168 PackageParser.Package pkg = mPackages.get(packageName); 11169 if (pkg == null || pkg.activities == null) { 11170 return ParceledListSlice.emptyList(); 11171 } 11172 final int count = pkg.activities.size(); 11173 ArrayList<IntentFilter> result = new ArrayList<>(); 11174 for (int n=0; n<count; n++) { 11175 PackageParser.Activity activity = pkg.activities.get(n); 11176 if (activity.intents != null && activity.intents.size() > 0) { 11177 result.addAll(activity.intents); 11178 } 11179 } 11180 return new ParceledListSlice<>(result); 11181 } 11182 } 11183 11184 @Override 11185 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11186 mContext.enforceCallingOrSelfPermission( 11187 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11188 11189 synchronized (mPackages) { 11190 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11191 if (packageName != null) { 11192 result |= updateIntentVerificationStatus(packageName, 11193 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11194 userId); 11195 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11196 packageName, userId); 11197 } 11198 return result; 11199 } 11200 } 11201 11202 @Override 11203 public String getDefaultBrowserPackageName(int userId) { 11204 synchronized (mPackages) { 11205 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11206 } 11207 } 11208 11209 /** 11210 * Get the "allow unknown sources" setting. 11211 * 11212 * @return the current "allow unknown sources" setting 11213 */ 11214 private int getUnknownSourcesSettings() { 11215 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11216 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 11217 -1); 11218 } 11219 11220 @Override 11221 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11222 final int uid = Binder.getCallingUid(); 11223 // writer 11224 synchronized (mPackages) { 11225 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11226 if (targetPackageSetting == null) { 11227 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11228 } 11229 11230 PackageSetting installerPackageSetting; 11231 if (installerPackageName != null) { 11232 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11233 if (installerPackageSetting == null) { 11234 throw new IllegalArgumentException("Unknown installer package: " 11235 + installerPackageName); 11236 } 11237 } else { 11238 installerPackageSetting = null; 11239 } 11240 11241 Signature[] callerSignature; 11242 Object obj = mSettings.getUserIdLPr(uid); 11243 if (obj != null) { 11244 if (obj instanceof SharedUserSetting) { 11245 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11246 } else if (obj instanceof PackageSetting) { 11247 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11248 } else { 11249 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11250 } 11251 } else { 11252 throw new SecurityException("Unknown calling UID: " + uid); 11253 } 11254 11255 // Verify: can't set installerPackageName to a package that is 11256 // not signed with the same cert as the caller. 11257 if (installerPackageSetting != null) { 11258 if (compareSignatures(callerSignature, 11259 installerPackageSetting.signatures.mSignatures) 11260 != PackageManager.SIGNATURE_MATCH) { 11261 throw new SecurityException( 11262 "Caller does not have same cert as new installer package " 11263 + installerPackageName); 11264 } 11265 } 11266 11267 // Verify: if target already has an installer package, it must 11268 // be signed with the same cert as the caller. 11269 if (targetPackageSetting.installerPackageName != null) { 11270 PackageSetting setting = mSettings.mPackages.get( 11271 targetPackageSetting.installerPackageName); 11272 // If the currently set package isn't valid, then it's always 11273 // okay to change it. 11274 if (setting != null) { 11275 if (compareSignatures(callerSignature, 11276 setting.signatures.mSignatures) 11277 != PackageManager.SIGNATURE_MATCH) { 11278 throw new SecurityException( 11279 "Caller does not have same cert as old installer package " 11280 + targetPackageSetting.installerPackageName); 11281 } 11282 } 11283 } 11284 11285 // Okay! 11286 targetPackageSetting.installerPackageName = installerPackageName; 11287 scheduleWriteSettingsLocked(); 11288 } 11289 } 11290 11291 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11292 // Queue up an async operation since the package installation may take a little while. 11293 mHandler.post(new Runnable() { 11294 public void run() { 11295 mHandler.removeCallbacks(this); 11296 // Result object to be returned 11297 PackageInstalledInfo res = new PackageInstalledInfo(); 11298 res.setReturnCode(currentStatus); 11299 res.uid = -1; 11300 res.pkg = null; 11301 res.removedInfo = null; 11302 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11303 args.doPreInstall(res.returnCode); 11304 synchronized (mInstallLock) { 11305 installPackageTracedLI(args, res); 11306 } 11307 args.doPostInstall(res.returnCode, res.uid); 11308 } 11309 11310 // A restore should be performed at this point if (a) the install 11311 // succeeded, (b) the operation is not an update, and (c) the new 11312 // package has not opted out of backup participation. 11313 final boolean update = res.removedInfo != null 11314 && res.removedInfo.removedPackage != null; 11315 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11316 boolean doRestore = !update 11317 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11318 11319 // Set up the post-install work request bookkeeping. This will be used 11320 // and cleaned up by the post-install event handling regardless of whether 11321 // there's a restore pass performed. Token values are >= 1. 11322 int token; 11323 if (mNextInstallToken < 0) mNextInstallToken = 1; 11324 token = mNextInstallToken++; 11325 11326 PostInstallData data = new PostInstallData(args, res); 11327 mRunningInstalls.put(token, data); 11328 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11329 11330 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11331 // Pass responsibility to the Backup Manager. It will perform a 11332 // restore if appropriate, then pass responsibility back to the 11333 // Package Manager to run the post-install observer callbacks 11334 // and broadcasts. 11335 IBackupManager bm = IBackupManager.Stub.asInterface( 11336 ServiceManager.getService(Context.BACKUP_SERVICE)); 11337 if (bm != null) { 11338 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11339 + " to BM for possible restore"); 11340 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11341 try { 11342 // TODO: http://b/22388012 11343 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11344 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11345 } else { 11346 doRestore = false; 11347 } 11348 } catch (RemoteException e) { 11349 // can't happen; the backup manager is local 11350 } catch (Exception e) { 11351 Slog.e(TAG, "Exception trying to enqueue restore", e); 11352 doRestore = false; 11353 } 11354 } else { 11355 Slog.e(TAG, "Backup Manager not found!"); 11356 doRestore = false; 11357 } 11358 } 11359 11360 if (!doRestore) { 11361 // No restore possible, or the Backup Manager was mysteriously not 11362 // available -- just fire the post-install work request directly. 11363 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11364 11365 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11366 11367 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11368 mHandler.sendMessage(msg); 11369 } 11370 } 11371 }); 11372 } 11373 11374 private abstract class HandlerParams { 11375 private static final int MAX_RETRIES = 4; 11376 11377 /** 11378 * Number of times startCopy() has been attempted and had a non-fatal 11379 * error. 11380 */ 11381 private int mRetries = 0; 11382 11383 /** User handle for the user requesting the information or installation. */ 11384 private final UserHandle mUser; 11385 String traceMethod; 11386 int traceCookie; 11387 11388 HandlerParams(UserHandle user) { 11389 mUser = user; 11390 } 11391 11392 UserHandle getUser() { 11393 return mUser; 11394 } 11395 11396 HandlerParams setTraceMethod(String traceMethod) { 11397 this.traceMethod = traceMethod; 11398 return this; 11399 } 11400 11401 HandlerParams setTraceCookie(int traceCookie) { 11402 this.traceCookie = traceCookie; 11403 return this; 11404 } 11405 11406 final boolean startCopy() { 11407 boolean res; 11408 try { 11409 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11410 11411 if (++mRetries > MAX_RETRIES) { 11412 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11413 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11414 handleServiceError(); 11415 return false; 11416 } else { 11417 handleStartCopy(); 11418 res = true; 11419 } 11420 } catch (RemoteException e) { 11421 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11422 mHandler.sendEmptyMessage(MCS_RECONNECT); 11423 res = false; 11424 } 11425 handleReturnCode(); 11426 return res; 11427 } 11428 11429 final void serviceError() { 11430 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11431 handleServiceError(); 11432 handleReturnCode(); 11433 } 11434 11435 abstract void handleStartCopy() throws RemoteException; 11436 abstract void handleServiceError(); 11437 abstract void handleReturnCode(); 11438 } 11439 11440 class MeasureParams extends HandlerParams { 11441 private final PackageStats mStats; 11442 private boolean mSuccess; 11443 11444 private final IPackageStatsObserver mObserver; 11445 11446 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11447 super(new UserHandle(stats.userHandle)); 11448 mObserver = observer; 11449 mStats = stats; 11450 } 11451 11452 @Override 11453 public String toString() { 11454 return "MeasureParams{" 11455 + Integer.toHexString(System.identityHashCode(this)) 11456 + " " + mStats.packageName + "}"; 11457 } 11458 11459 @Override 11460 void handleStartCopy() throws RemoteException { 11461 synchronized (mInstallLock) { 11462 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11463 } 11464 11465 if (mSuccess) { 11466 final boolean mounted; 11467 if (Environment.isExternalStorageEmulated()) { 11468 mounted = true; 11469 } else { 11470 final String status = Environment.getExternalStorageState(); 11471 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11472 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11473 } 11474 11475 if (mounted) { 11476 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11477 11478 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11479 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11480 11481 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11482 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11483 11484 // Always subtract cache size, since it's a subdirectory 11485 mStats.externalDataSize -= mStats.externalCacheSize; 11486 11487 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11488 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11489 11490 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11491 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11492 } 11493 } 11494 } 11495 11496 @Override 11497 void handleReturnCode() { 11498 if (mObserver != null) { 11499 try { 11500 mObserver.onGetStatsCompleted(mStats, mSuccess); 11501 } catch (RemoteException e) { 11502 Slog.i(TAG, "Observer no longer exists."); 11503 } 11504 } 11505 } 11506 11507 @Override 11508 void handleServiceError() { 11509 Slog.e(TAG, "Could not measure application " + mStats.packageName 11510 + " external storage"); 11511 } 11512 } 11513 11514 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11515 throws RemoteException { 11516 long result = 0; 11517 for (File path : paths) { 11518 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11519 } 11520 return result; 11521 } 11522 11523 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11524 for (File path : paths) { 11525 try { 11526 mcs.clearDirectory(path.getAbsolutePath()); 11527 } catch (RemoteException e) { 11528 } 11529 } 11530 } 11531 11532 static class OriginInfo { 11533 /** 11534 * Location where install is coming from, before it has been 11535 * copied/renamed into place. This could be a single monolithic APK 11536 * file, or a cluster directory. This location may be untrusted. 11537 */ 11538 final File file; 11539 final String cid; 11540 11541 /** 11542 * Flag indicating that {@link #file} or {@link #cid} has already been 11543 * staged, meaning downstream users don't need to defensively copy the 11544 * contents. 11545 */ 11546 final boolean staged; 11547 11548 /** 11549 * Flag indicating that {@link #file} or {@link #cid} is an already 11550 * installed app that is being moved. 11551 */ 11552 final boolean existing; 11553 11554 final String resolvedPath; 11555 final File resolvedFile; 11556 11557 static OriginInfo fromNothing() { 11558 return new OriginInfo(null, null, false, false); 11559 } 11560 11561 static OriginInfo fromUntrustedFile(File file) { 11562 return new OriginInfo(file, null, false, false); 11563 } 11564 11565 static OriginInfo fromExistingFile(File file) { 11566 return new OriginInfo(file, null, false, true); 11567 } 11568 11569 static OriginInfo fromStagedFile(File file) { 11570 return new OriginInfo(file, null, true, false); 11571 } 11572 11573 static OriginInfo fromStagedContainer(String cid) { 11574 return new OriginInfo(null, cid, true, false); 11575 } 11576 11577 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 11578 this.file = file; 11579 this.cid = cid; 11580 this.staged = staged; 11581 this.existing = existing; 11582 11583 if (cid != null) { 11584 resolvedPath = PackageHelper.getSdDir(cid); 11585 resolvedFile = new File(resolvedPath); 11586 } else if (file != null) { 11587 resolvedPath = file.getAbsolutePath(); 11588 resolvedFile = file; 11589 } else { 11590 resolvedPath = null; 11591 resolvedFile = null; 11592 } 11593 } 11594 } 11595 11596 static class MoveInfo { 11597 final int moveId; 11598 final String fromUuid; 11599 final String toUuid; 11600 final String packageName; 11601 final String dataAppName; 11602 final int appId; 11603 final String seinfo; 11604 final int targetSdkVersion; 11605 11606 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11607 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 11608 this.moveId = moveId; 11609 this.fromUuid = fromUuid; 11610 this.toUuid = toUuid; 11611 this.packageName = packageName; 11612 this.dataAppName = dataAppName; 11613 this.appId = appId; 11614 this.seinfo = seinfo; 11615 this.targetSdkVersion = targetSdkVersion; 11616 } 11617 } 11618 11619 static class VerificationInfo { 11620 /** A constant used to indicate that a uid value is not present. */ 11621 public static final int NO_UID = -1; 11622 11623 /** URI referencing where the package was downloaded from. */ 11624 final Uri originatingUri; 11625 11626 /** HTTP referrer URI associated with the originatingURI. */ 11627 final Uri referrer; 11628 11629 /** UID of the application that the install request originated from. */ 11630 final int originatingUid; 11631 11632 /** UID of application requesting the install */ 11633 final int installerUid; 11634 11635 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 11636 this.originatingUri = originatingUri; 11637 this.referrer = referrer; 11638 this.originatingUid = originatingUid; 11639 this.installerUid = installerUid; 11640 } 11641 } 11642 11643 class InstallParams extends HandlerParams { 11644 final OriginInfo origin; 11645 final MoveInfo move; 11646 final IPackageInstallObserver2 observer; 11647 int installFlags; 11648 final String installerPackageName; 11649 final String volumeUuid; 11650 private InstallArgs mArgs; 11651 private int mRet; 11652 final String packageAbiOverride; 11653 final String[] grantedRuntimePermissions; 11654 final VerificationInfo verificationInfo; 11655 11656 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11657 int installFlags, String installerPackageName, String volumeUuid, 11658 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 11659 String[] grantedPermissions) { 11660 super(user); 11661 this.origin = origin; 11662 this.move = move; 11663 this.observer = observer; 11664 this.installFlags = installFlags; 11665 this.installerPackageName = installerPackageName; 11666 this.volumeUuid = volumeUuid; 11667 this.verificationInfo = verificationInfo; 11668 this.packageAbiOverride = packageAbiOverride; 11669 this.grantedRuntimePermissions = grantedPermissions; 11670 } 11671 11672 @Override 11673 public String toString() { 11674 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11675 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11676 } 11677 11678 private int installLocationPolicy(PackageInfoLite pkgLite) { 11679 String packageName = pkgLite.packageName; 11680 int installLocation = pkgLite.installLocation; 11681 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11682 // reader 11683 synchronized (mPackages) { 11684 // Currently installed package which the new package is attempting to replace or 11685 // null if no such package is installed. 11686 PackageParser.Package installedPkg = mPackages.get(packageName); 11687 // Package which currently owns the data which the new package will own if installed. 11688 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 11689 // will be null whereas dataOwnerPkg will contain information about the package 11690 // which was uninstalled while keeping its data. 11691 PackageParser.Package dataOwnerPkg = installedPkg; 11692 if (dataOwnerPkg == null) { 11693 PackageSetting ps = mSettings.mPackages.get(packageName); 11694 if (ps != null) { 11695 dataOwnerPkg = ps.pkg; 11696 } 11697 } 11698 11699 if (dataOwnerPkg != null) { 11700 // If installed, the package will get access to data left on the device by its 11701 // predecessor. As a security measure, this is permited only if this is not a 11702 // version downgrade or if the predecessor package is marked as debuggable and 11703 // a downgrade is explicitly requested. 11704 if (((dataOwnerPkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0) 11705 || ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0)) { 11706 try { 11707 checkDowngrade(dataOwnerPkg, pkgLite); 11708 } catch (PackageManagerException e) { 11709 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11710 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11711 } 11712 } 11713 } 11714 11715 if (installedPkg != null) { 11716 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11717 // Check for updated system application. 11718 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11719 if (onSd) { 11720 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11721 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11722 } 11723 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11724 } else { 11725 if (onSd) { 11726 // Install flag overrides everything. 11727 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11728 } 11729 // If current upgrade specifies particular preference 11730 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11731 // Application explicitly specified internal. 11732 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11733 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11734 // App explictly prefers external. Let policy decide 11735 } else { 11736 // Prefer previous location 11737 if (isExternal(installedPkg)) { 11738 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11739 } 11740 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11741 } 11742 } 11743 } else { 11744 // Invalid install. Return error code 11745 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11746 } 11747 } 11748 } 11749 // All the special cases have been taken care of. 11750 // Return result based on recommended install location. 11751 if (onSd) { 11752 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11753 } 11754 return pkgLite.recommendedInstallLocation; 11755 } 11756 11757 /* 11758 * Invoke remote method to get package information and install 11759 * location values. Override install location based on default 11760 * policy if needed and then create install arguments based 11761 * on the install location. 11762 */ 11763 public void handleStartCopy() throws RemoteException { 11764 int ret = PackageManager.INSTALL_SUCCEEDED; 11765 11766 // If we're already staged, we've firmly committed to an install location 11767 if (origin.staged) { 11768 if (origin.file != null) { 11769 installFlags |= PackageManager.INSTALL_INTERNAL; 11770 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11771 } else if (origin.cid != null) { 11772 installFlags |= PackageManager.INSTALL_EXTERNAL; 11773 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11774 } else { 11775 throw new IllegalStateException("Invalid stage location"); 11776 } 11777 } 11778 11779 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11780 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11781 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11782 PackageInfoLite pkgLite = null; 11783 11784 if (onInt && onSd) { 11785 // Check if both bits are set. 11786 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11787 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11788 } else if (onSd && ephemeral) { 11789 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11790 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11791 } else { 11792 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11793 packageAbiOverride); 11794 11795 if (DEBUG_EPHEMERAL && ephemeral) { 11796 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11797 } 11798 11799 /* 11800 * If we have too little free space, try to free cache 11801 * before giving up. 11802 */ 11803 if (!origin.staged && pkgLite.recommendedInstallLocation 11804 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11805 // TODO: focus freeing disk space on the target device 11806 final StorageManager storage = StorageManager.from(mContext); 11807 final long lowThreshold = storage.getStorageLowBytes( 11808 Environment.getDataDirectory()); 11809 11810 final long sizeBytes = mContainerService.calculateInstalledSize( 11811 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11812 11813 try { 11814 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11815 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11816 installFlags, packageAbiOverride); 11817 } catch (InstallerException e) { 11818 Slog.w(TAG, "Failed to free cache", e); 11819 } 11820 11821 /* 11822 * The cache free must have deleted the file we 11823 * downloaded to install. 11824 * 11825 * TODO: fix the "freeCache" call to not delete 11826 * the file we care about. 11827 */ 11828 if (pkgLite.recommendedInstallLocation 11829 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11830 pkgLite.recommendedInstallLocation 11831 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11832 } 11833 } 11834 } 11835 11836 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11837 int loc = pkgLite.recommendedInstallLocation; 11838 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11839 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11840 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11841 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11842 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11843 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11844 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11845 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11846 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11847 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11848 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11849 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11850 } else { 11851 // Override with defaults if needed. 11852 loc = installLocationPolicy(pkgLite); 11853 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11854 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11855 } else if (!onSd && !onInt) { 11856 // Override install location with flags 11857 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11858 // Set the flag to install on external media. 11859 installFlags |= PackageManager.INSTALL_EXTERNAL; 11860 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11861 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11862 if (DEBUG_EPHEMERAL) { 11863 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11864 } 11865 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11866 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11867 |PackageManager.INSTALL_INTERNAL); 11868 } else { 11869 // Make sure the flag for installing on external 11870 // media is unset 11871 installFlags |= PackageManager.INSTALL_INTERNAL; 11872 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11873 } 11874 } 11875 } 11876 } 11877 11878 final InstallArgs args = createInstallArgs(this); 11879 mArgs = args; 11880 11881 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11882 // TODO: http://b/22976637 11883 // Apps installed for "all" users use the device owner to verify the app 11884 UserHandle verifierUser = getUser(); 11885 if (verifierUser == UserHandle.ALL) { 11886 verifierUser = UserHandle.SYSTEM; 11887 } 11888 11889 /* 11890 * Determine if we have any installed package verifiers. If we 11891 * do, then we'll defer to them to verify the packages. 11892 */ 11893 final int requiredUid = mRequiredVerifierPackage == null ? -1 11894 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11895 verifierUser.getIdentifier()); 11896 if (!origin.existing && requiredUid != -1 11897 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11898 final Intent verification = new Intent( 11899 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11900 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11901 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11902 PACKAGE_MIME_TYPE); 11903 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11904 11905 // Query all live verifiers based on current user state 11906 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 11907 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11908 11909 if (DEBUG_VERIFY) { 11910 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11911 + verification.toString() + " with " + pkgLite.verifiers.length 11912 + " optional verifiers"); 11913 } 11914 11915 final int verificationId = mPendingVerificationToken++; 11916 11917 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11918 11919 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11920 installerPackageName); 11921 11922 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11923 installFlags); 11924 11925 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11926 pkgLite.packageName); 11927 11928 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11929 pkgLite.versionCode); 11930 11931 if (verificationInfo != null) { 11932 if (verificationInfo.originatingUri != null) { 11933 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11934 verificationInfo.originatingUri); 11935 } 11936 if (verificationInfo.referrer != null) { 11937 verification.putExtra(Intent.EXTRA_REFERRER, 11938 verificationInfo.referrer); 11939 } 11940 if (verificationInfo.originatingUid >= 0) { 11941 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11942 verificationInfo.originatingUid); 11943 } 11944 if (verificationInfo.installerUid >= 0) { 11945 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11946 verificationInfo.installerUid); 11947 } 11948 } 11949 11950 final PackageVerificationState verificationState = new PackageVerificationState( 11951 requiredUid, args); 11952 11953 mPendingVerification.append(verificationId, verificationState); 11954 11955 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11956 receivers, verificationState); 11957 11958 /* 11959 * If any sufficient verifiers were listed in the package 11960 * manifest, attempt to ask them. 11961 */ 11962 if (sufficientVerifiers != null) { 11963 final int N = sufficientVerifiers.size(); 11964 if (N == 0) { 11965 Slog.i(TAG, "Additional verifiers required, but none installed."); 11966 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11967 } else { 11968 for (int i = 0; i < N; i++) { 11969 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11970 11971 final Intent sufficientIntent = new Intent(verification); 11972 sufficientIntent.setComponent(verifierComponent); 11973 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11974 } 11975 } 11976 } 11977 11978 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11979 mRequiredVerifierPackage, receivers); 11980 if (ret == PackageManager.INSTALL_SUCCEEDED 11981 && mRequiredVerifierPackage != null) { 11982 Trace.asyncTraceBegin( 11983 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11984 /* 11985 * Send the intent to the required verification agent, 11986 * but only start the verification timeout after the 11987 * target BroadcastReceivers have run. 11988 */ 11989 verification.setComponent(requiredVerifierComponent); 11990 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11991 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11992 new BroadcastReceiver() { 11993 @Override 11994 public void onReceive(Context context, Intent intent) { 11995 final Message msg = mHandler 11996 .obtainMessage(CHECK_PENDING_VERIFICATION); 11997 msg.arg1 = verificationId; 11998 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11999 } 12000 }, null, 0, null, null); 12001 12002 /* 12003 * We don't want the copy to proceed until verification 12004 * succeeds, so null out this field. 12005 */ 12006 mArgs = null; 12007 } 12008 } else { 12009 /* 12010 * No package verification is enabled, so immediately start 12011 * the remote call to initiate copy using temporary file. 12012 */ 12013 ret = args.copyApk(mContainerService, true); 12014 } 12015 } 12016 12017 mRet = ret; 12018 } 12019 12020 @Override 12021 void handleReturnCode() { 12022 // If mArgs is null, then MCS couldn't be reached. When it 12023 // reconnects, it will try again to install. At that point, this 12024 // will succeed. 12025 if (mArgs != null) { 12026 processPendingInstall(mArgs, mRet); 12027 } 12028 } 12029 12030 @Override 12031 void handleServiceError() { 12032 mArgs = createInstallArgs(this); 12033 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12034 } 12035 12036 public boolean isForwardLocked() { 12037 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12038 } 12039 } 12040 12041 /** 12042 * Used during creation of InstallArgs 12043 * 12044 * @param installFlags package installation flags 12045 * @return true if should be installed on external storage 12046 */ 12047 private static boolean installOnExternalAsec(int installFlags) { 12048 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12049 return false; 12050 } 12051 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12052 return true; 12053 } 12054 return false; 12055 } 12056 12057 /** 12058 * Used during creation of InstallArgs 12059 * 12060 * @param installFlags package installation flags 12061 * @return true if should be installed as forward locked 12062 */ 12063 private static boolean installForwardLocked(int installFlags) { 12064 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12065 } 12066 12067 private InstallArgs createInstallArgs(InstallParams params) { 12068 if (params.move != null) { 12069 return new MoveInstallArgs(params); 12070 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12071 return new AsecInstallArgs(params); 12072 } else { 12073 return new FileInstallArgs(params); 12074 } 12075 } 12076 12077 /** 12078 * Create args that describe an existing installed package. Typically used 12079 * when cleaning up old installs, or used as a move source. 12080 */ 12081 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12082 String resourcePath, String[] instructionSets) { 12083 final boolean isInAsec; 12084 if (installOnExternalAsec(installFlags)) { 12085 /* Apps on SD card are always in ASEC containers. */ 12086 isInAsec = true; 12087 } else if (installForwardLocked(installFlags) 12088 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12089 /* 12090 * Forward-locked apps are only in ASEC containers if they're the 12091 * new style 12092 */ 12093 isInAsec = true; 12094 } else { 12095 isInAsec = false; 12096 } 12097 12098 if (isInAsec) { 12099 return new AsecInstallArgs(codePath, instructionSets, 12100 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12101 } else { 12102 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12103 } 12104 } 12105 12106 static abstract class InstallArgs { 12107 /** @see InstallParams#origin */ 12108 final OriginInfo origin; 12109 /** @see InstallParams#move */ 12110 final MoveInfo move; 12111 12112 final IPackageInstallObserver2 observer; 12113 // Always refers to PackageManager flags only 12114 final int installFlags; 12115 final String installerPackageName; 12116 final String volumeUuid; 12117 final UserHandle user; 12118 final String abiOverride; 12119 final String[] installGrantPermissions; 12120 /** If non-null, drop an async trace when the install completes */ 12121 final String traceMethod; 12122 final int traceCookie; 12123 12124 // The list of instruction sets supported by this app. This is currently 12125 // only used during the rmdex() phase to clean up resources. We can get rid of this 12126 // if we move dex files under the common app path. 12127 /* nullable */ String[] instructionSets; 12128 12129 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12130 int installFlags, String installerPackageName, String volumeUuid, 12131 UserHandle user, String[] instructionSets, 12132 String abiOverride, String[] installGrantPermissions, 12133 String traceMethod, int traceCookie) { 12134 this.origin = origin; 12135 this.move = move; 12136 this.installFlags = installFlags; 12137 this.observer = observer; 12138 this.installerPackageName = installerPackageName; 12139 this.volumeUuid = volumeUuid; 12140 this.user = user; 12141 this.instructionSets = instructionSets; 12142 this.abiOverride = abiOverride; 12143 this.installGrantPermissions = installGrantPermissions; 12144 this.traceMethod = traceMethod; 12145 this.traceCookie = traceCookie; 12146 } 12147 12148 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12149 abstract int doPreInstall(int status); 12150 12151 /** 12152 * Rename package into final resting place. All paths on the given 12153 * scanned package should be updated to reflect the rename. 12154 */ 12155 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12156 abstract int doPostInstall(int status, int uid); 12157 12158 /** @see PackageSettingBase#codePathString */ 12159 abstract String getCodePath(); 12160 /** @see PackageSettingBase#resourcePathString */ 12161 abstract String getResourcePath(); 12162 12163 // Need installer lock especially for dex file removal. 12164 abstract void cleanUpResourcesLI(); 12165 abstract boolean doPostDeleteLI(boolean delete); 12166 12167 /** 12168 * Called before the source arguments are copied. This is used mostly 12169 * for MoveParams when it needs to read the source file to put it in the 12170 * destination. 12171 */ 12172 int doPreCopy() { 12173 return PackageManager.INSTALL_SUCCEEDED; 12174 } 12175 12176 /** 12177 * Called after the source arguments are copied. This is used mostly for 12178 * MoveParams when it needs to read the source file to put it in the 12179 * destination. 12180 * 12181 * @return 12182 */ 12183 int doPostCopy(int uid) { 12184 return PackageManager.INSTALL_SUCCEEDED; 12185 } 12186 12187 protected boolean isFwdLocked() { 12188 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12189 } 12190 12191 protected boolean isExternalAsec() { 12192 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12193 } 12194 12195 protected boolean isEphemeral() { 12196 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12197 } 12198 12199 UserHandle getUser() { 12200 return user; 12201 } 12202 } 12203 12204 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12205 if (!allCodePaths.isEmpty()) { 12206 if (instructionSets == null) { 12207 throw new IllegalStateException("instructionSet == null"); 12208 } 12209 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12210 for (String codePath : allCodePaths) { 12211 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12212 try { 12213 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12214 } catch (InstallerException ignored) { 12215 } 12216 } 12217 } 12218 } 12219 } 12220 12221 /** 12222 * Logic to handle installation of non-ASEC applications, including copying 12223 * and renaming logic. 12224 */ 12225 class FileInstallArgs extends InstallArgs { 12226 private File codeFile; 12227 private File resourceFile; 12228 12229 // Example topology: 12230 // /data/app/com.example/base.apk 12231 // /data/app/com.example/split_foo.apk 12232 // /data/app/com.example/lib/arm/libfoo.so 12233 // /data/app/com.example/lib/arm64/libfoo.so 12234 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12235 12236 /** New install */ 12237 FileInstallArgs(InstallParams params) { 12238 super(params.origin, params.move, params.observer, params.installFlags, 12239 params.installerPackageName, params.volumeUuid, 12240 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12241 params.grantedRuntimePermissions, 12242 params.traceMethod, params.traceCookie); 12243 if (isFwdLocked()) { 12244 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12245 } 12246 } 12247 12248 /** Existing install */ 12249 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12250 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12251 null, null, null, 0); 12252 this.codeFile = (codePath != null) ? new File(codePath) : null; 12253 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12254 } 12255 12256 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12257 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12258 try { 12259 return doCopyApk(imcs, temp); 12260 } finally { 12261 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12262 } 12263 } 12264 12265 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12266 if (origin.staged) { 12267 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12268 codeFile = origin.file; 12269 resourceFile = origin.file; 12270 return PackageManager.INSTALL_SUCCEEDED; 12271 } 12272 12273 try { 12274 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12275 final File tempDir = 12276 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12277 codeFile = tempDir; 12278 resourceFile = tempDir; 12279 } catch (IOException e) { 12280 Slog.w(TAG, "Failed to create copy file: " + e); 12281 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12282 } 12283 12284 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12285 @Override 12286 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12287 if (!FileUtils.isValidExtFilename(name)) { 12288 throw new IllegalArgumentException("Invalid filename: " + name); 12289 } 12290 try { 12291 final File file = new File(codeFile, name); 12292 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12293 O_RDWR | O_CREAT, 0644); 12294 Os.chmod(file.getAbsolutePath(), 0644); 12295 return new ParcelFileDescriptor(fd); 12296 } catch (ErrnoException e) { 12297 throw new RemoteException("Failed to open: " + e.getMessage()); 12298 } 12299 } 12300 }; 12301 12302 int ret = PackageManager.INSTALL_SUCCEEDED; 12303 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12304 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12305 Slog.e(TAG, "Failed to copy package"); 12306 return ret; 12307 } 12308 12309 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12310 NativeLibraryHelper.Handle handle = null; 12311 try { 12312 handle = NativeLibraryHelper.Handle.create(codeFile); 12313 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12314 abiOverride); 12315 } catch (IOException e) { 12316 Slog.e(TAG, "Copying native libraries failed", e); 12317 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12318 } finally { 12319 IoUtils.closeQuietly(handle); 12320 } 12321 12322 return ret; 12323 } 12324 12325 int doPreInstall(int status) { 12326 if (status != PackageManager.INSTALL_SUCCEEDED) { 12327 cleanUp(); 12328 } 12329 return status; 12330 } 12331 12332 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12333 if (status != PackageManager.INSTALL_SUCCEEDED) { 12334 cleanUp(); 12335 return false; 12336 } 12337 12338 final File targetDir = codeFile.getParentFile(); 12339 final File beforeCodeFile = codeFile; 12340 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12341 12342 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12343 try { 12344 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12345 } catch (ErrnoException e) { 12346 Slog.w(TAG, "Failed to rename", e); 12347 return false; 12348 } 12349 12350 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12351 Slog.w(TAG, "Failed to restorecon"); 12352 return false; 12353 } 12354 12355 // Reflect the rename internally 12356 codeFile = afterCodeFile; 12357 resourceFile = afterCodeFile; 12358 12359 // Reflect the rename in scanned details 12360 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12361 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12362 afterCodeFile, pkg.baseCodePath)); 12363 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12364 afterCodeFile, pkg.splitCodePaths)); 12365 12366 // Reflect the rename in app info 12367 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12368 pkg.setApplicationInfoCodePath(pkg.codePath); 12369 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12370 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12371 pkg.setApplicationInfoResourcePath(pkg.codePath); 12372 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12373 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12374 12375 return true; 12376 } 12377 12378 int doPostInstall(int status, int uid) { 12379 if (status != PackageManager.INSTALL_SUCCEEDED) { 12380 cleanUp(); 12381 } 12382 return status; 12383 } 12384 12385 @Override 12386 String getCodePath() { 12387 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12388 } 12389 12390 @Override 12391 String getResourcePath() { 12392 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12393 } 12394 12395 private boolean cleanUp() { 12396 if (codeFile == null || !codeFile.exists()) { 12397 return false; 12398 } 12399 12400 removeCodePathLI(codeFile); 12401 12402 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12403 resourceFile.delete(); 12404 } 12405 12406 return true; 12407 } 12408 12409 void cleanUpResourcesLI() { 12410 // Try enumerating all code paths before deleting 12411 List<String> allCodePaths = Collections.EMPTY_LIST; 12412 if (codeFile != null && codeFile.exists()) { 12413 try { 12414 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12415 allCodePaths = pkg.getAllCodePaths(); 12416 } catch (PackageParserException e) { 12417 // Ignored; we tried our best 12418 } 12419 } 12420 12421 cleanUp(); 12422 removeDexFiles(allCodePaths, instructionSets); 12423 } 12424 12425 boolean doPostDeleteLI(boolean delete) { 12426 // XXX err, shouldn't we respect the delete flag? 12427 cleanUpResourcesLI(); 12428 return true; 12429 } 12430 } 12431 12432 private boolean isAsecExternal(String cid) { 12433 final String asecPath = PackageHelper.getSdFilesystem(cid); 12434 return !asecPath.startsWith(mAsecInternalPath); 12435 } 12436 12437 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12438 PackageManagerException { 12439 if (copyRet < 0) { 12440 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12441 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12442 throw new PackageManagerException(copyRet, message); 12443 } 12444 } 12445 } 12446 12447 /** 12448 * Extract the MountService "container ID" from the full code path of an 12449 * .apk. 12450 */ 12451 static String cidFromCodePath(String fullCodePath) { 12452 int eidx = fullCodePath.lastIndexOf("/"); 12453 String subStr1 = fullCodePath.substring(0, eidx); 12454 int sidx = subStr1.lastIndexOf("/"); 12455 return subStr1.substring(sidx+1, eidx); 12456 } 12457 12458 /** 12459 * Logic to handle installation of ASEC applications, including copying and 12460 * renaming logic. 12461 */ 12462 class AsecInstallArgs extends InstallArgs { 12463 static final String RES_FILE_NAME = "pkg.apk"; 12464 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12465 12466 String cid; 12467 String packagePath; 12468 String resourcePath; 12469 12470 /** New install */ 12471 AsecInstallArgs(InstallParams params) { 12472 super(params.origin, params.move, params.observer, params.installFlags, 12473 params.installerPackageName, params.volumeUuid, 12474 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12475 params.grantedRuntimePermissions, 12476 params.traceMethod, params.traceCookie); 12477 } 12478 12479 /** Existing install */ 12480 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12481 boolean isExternal, boolean isForwardLocked) { 12482 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12483 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12484 instructionSets, null, null, null, 0); 12485 // Hackily pretend we're still looking at a full code path 12486 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12487 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12488 } 12489 12490 // Extract cid from fullCodePath 12491 int eidx = fullCodePath.lastIndexOf("/"); 12492 String subStr1 = fullCodePath.substring(0, eidx); 12493 int sidx = subStr1.lastIndexOf("/"); 12494 cid = subStr1.substring(sidx+1, eidx); 12495 setMountPath(subStr1); 12496 } 12497 12498 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12499 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12500 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12501 instructionSets, null, null, null, 0); 12502 this.cid = cid; 12503 setMountPath(PackageHelper.getSdDir(cid)); 12504 } 12505 12506 void createCopyFile() { 12507 cid = mInstallerService.allocateExternalStageCidLegacy(); 12508 } 12509 12510 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12511 if (origin.staged && origin.cid != null) { 12512 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12513 cid = origin.cid; 12514 setMountPath(PackageHelper.getSdDir(cid)); 12515 return PackageManager.INSTALL_SUCCEEDED; 12516 } 12517 12518 if (temp) { 12519 createCopyFile(); 12520 } else { 12521 /* 12522 * Pre-emptively destroy the container since it's destroyed if 12523 * copying fails due to it existing anyway. 12524 */ 12525 PackageHelper.destroySdDir(cid); 12526 } 12527 12528 final String newMountPath = imcs.copyPackageToContainer( 12529 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12530 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12531 12532 if (newMountPath != null) { 12533 setMountPath(newMountPath); 12534 return PackageManager.INSTALL_SUCCEEDED; 12535 } else { 12536 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12537 } 12538 } 12539 12540 @Override 12541 String getCodePath() { 12542 return packagePath; 12543 } 12544 12545 @Override 12546 String getResourcePath() { 12547 return resourcePath; 12548 } 12549 12550 int doPreInstall(int status) { 12551 if (status != PackageManager.INSTALL_SUCCEEDED) { 12552 // Destroy container 12553 PackageHelper.destroySdDir(cid); 12554 } else { 12555 boolean mounted = PackageHelper.isContainerMounted(cid); 12556 if (!mounted) { 12557 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 12558 Process.SYSTEM_UID); 12559 if (newMountPath != null) { 12560 setMountPath(newMountPath); 12561 } else { 12562 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12563 } 12564 } 12565 } 12566 return status; 12567 } 12568 12569 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12570 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 12571 String newMountPath = null; 12572 if (PackageHelper.isContainerMounted(cid)) { 12573 // Unmount the container 12574 if (!PackageHelper.unMountSdDir(cid)) { 12575 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 12576 return false; 12577 } 12578 } 12579 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12580 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 12581 " which might be stale. Will try to clean up."); 12582 // Clean up the stale container and proceed to recreate. 12583 if (!PackageHelper.destroySdDir(newCacheId)) { 12584 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 12585 return false; 12586 } 12587 // Successfully cleaned up stale container. Try to rename again. 12588 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12589 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 12590 + " inspite of cleaning it up."); 12591 return false; 12592 } 12593 } 12594 if (!PackageHelper.isContainerMounted(newCacheId)) { 12595 Slog.w(TAG, "Mounting container " + newCacheId); 12596 newMountPath = PackageHelper.mountSdDir(newCacheId, 12597 getEncryptKey(), Process.SYSTEM_UID); 12598 } else { 12599 newMountPath = PackageHelper.getSdDir(newCacheId); 12600 } 12601 if (newMountPath == null) { 12602 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 12603 return false; 12604 } 12605 Log.i(TAG, "Succesfully renamed " + cid + 12606 " to " + newCacheId + 12607 " at new path: " + newMountPath); 12608 cid = newCacheId; 12609 12610 final File beforeCodeFile = new File(packagePath); 12611 setMountPath(newMountPath); 12612 final File afterCodeFile = new File(packagePath); 12613 12614 // Reflect the rename in scanned details 12615 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12616 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12617 afterCodeFile, pkg.baseCodePath)); 12618 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12619 afterCodeFile, pkg.splitCodePaths)); 12620 12621 // Reflect the rename in app info 12622 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12623 pkg.setApplicationInfoCodePath(pkg.codePath); 12624 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12625 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12626 pkg.setApplicationInfoResourcePath(pkg.codePath); 12627 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12628 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12629 12630 return true; 12631 } 12632 12633 private void setMountPath(String mountPath) { 12634 final File mountFile = new File(mountPath); 12635 12636 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12637 if (monolithicFile.exists()) { 12638 packagePath = monolithicFile.getAbsolutePath(); 12639 if (isFwdLocked()) { 12640 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12641 } else { 12642 resourcePath = packagePath; 12643 } 12644 } else { 12645 packagePath = mountFile.getAbsolutePath(); 12646 resourcePath = packagePath; 12647 } 12648 } 12649 12650 int doPostInstall(int status, int uid) { 12651 if (status != PackageManager.INSTALL_SUCCEEDED) { 12652 cleanUp(); 12653 } else { 12654 final int groupOwner; 12655 final String protectedFile; 12656 if (isFwdLocked()) { 12657 groupOwner = UserHandle.getSharedAppGid(uid); 12658 protectedFile = RES_FILE_NAME; 12659 } else { 12660 groupOwner = -1; 12661 protectedFile = null; 12662 } 12663 12664 if (uid < Process.FIRST_APPLICATION_UID 12665 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12666 Slog.e(TAG, "Failed to finalize " + cid); 12667 PackageHelper.destroySdDir(cid); 12668 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12669 } 12670 12671 boolean mounted = PackageHelper.isContainerMounted(cid); 12672 if (!mounted) { 12673 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12674 } 12675 } 12676 return status; 12677 } 12678 12679 private void cleanUp() { 12680 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12681 12682 // Destroy secure container 12683 PackageHelper.destroySdDir(cid); 12684 } 12685 12686 private List<String> getAllCodePaths() { 12687 final File codeFile = new File(getCodePath()); 12688 if (codeFile != null && codeFile.exists()) { 12689 try { 12690 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12691 return pkg.getAllCodePaths(); 12692 } catch (PackageParserException e) { 12693 // Ignored; we tried our best 12694 } 12695 } 12696 return Collections.EMPTY_LIST; 12697 } 12698 12699 void cleanUpResourcesLI() { 12700 // Enumerate all code paths before deleting 12701 cleanUpResourcesLI(getAllCodePaths()); 12702 } 12703 12704 private void cleanUpResourcesLI(List<String> allCodePaths) { 12705 cleanUp(); 12706 removeDexFiles(allCodePaths, instructionSets); 12707 } 12708 12709 String getPackageName() { 12710 return getAsecPackageName(cid); 12711 } 12712 12713 boolean doPostDeleteLI(boolean delete) { 12714 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12715 final List<String> allCodePaths = getAllCodePaths(); 12716 boolean mounted = PackageHelper.isContainerMounted(cid); 12717 if (mounted) { 12718 // Unmount first 12719 if (PackageHelper.unMountSdDir(cid)) { 12720 mounted = false; 12721 } 12722 } 12723 if (!mounted && delete) { 12724 cleanUpResourcesLI(allCodePaths); 12725 } 12726 return !mounted; 12727 } 12728 12729 @Override 12730 int doPreCopy() { 12731 if (isFwdLocked()) { 12732 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12733 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12734 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12735 } 12736 } 12737 12738 return PackageManager.INSTALL_SUCCEEDED; 12739 } 12740 12741 @Override 12742 int doPostCopy(int uid) { 12743 if (isFwdLocked()) { 12744 if (uid < Process.FIRST_APPLICATION_UID 12745 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12746 RES_FILE_NAME)) { 12747 Slog.e(TAG, "Failed to finalize " + cid); 12748 PackageHelper.destroySdDir(cid); 12749 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12750 } 12751 } 12752 12753 return PackageManager.INSTALL_SUCCEEDED; 12754 } 12755 } 12756 12757 /** 12758 * Logic to handle movement of existing installed applications. 12759 */ 12760 class MoveInstallArgs extends InstallArgs { 12761 private File codeFile; 12762 private File resourceFile; 12763 12764 /** New install */ 12765 MoveInstallArgs(InstallParams params) { 12766 super(params.origin, params.move, params.observer, params.installFlags, 12767 params.installerPackageName, params.volumeUuid, 12768 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12769 params.grantedRuntimePermissions, 12770 params.traceMethod, params.traceCookie); 12771 } 12772 12773 int copyApk(IMediaContainerService imcs, boolean temp) { 12774 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12775 + move.fromUuid + " to " + move.toUuid); 12776 synchronized (mInstaller) { 12777 try { 12778 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12779 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 12780 } catch (InstallerException e) { 12781 Slog.w(TAG, "Failed to move app", e); 12782 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12783 } 12784 } 12785 12786 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12787 resourceFile = codeFile; 12788 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12789 12790 return PackageManager.INSTALL_SUCCEEDED; 12791 } 12792 12793 int doPreInstall(int status) { 12794 if (status != PackageManager.INSTALL_SUCCEEDED) { 12795 cleanUp(move.toUuid); 12796 } 12797 return status; 12798 } 12799 12800 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12801 if (status != PackageManager.INSTALL_SUCCEEDED) { 12802 cleanUp(move.toUuid); 12803 return false; 12804 } 12805 12806 // Reflect the move in app info 12807 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12808 pkg.setApplicationInfoCodePath(pkg.codePath); 12809 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12810 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12811 pkg.setApplicationInfoResourcePath(pkg.codePath); 12812 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12813 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12814 12815 return true; 12816 } 12817 12818 int doPostInstall(int status, int uid) { 12819 if (status == PackageManager.INSTALL_SUCCEEDED) { 12820 cleanUp(move.fromUuid); 12821 } else { 12822 cleanUp(move.toUuid); 12823 } 12824 return status; 12825 } 12826 12827 @Override 12828 String getCodePath() { 12829 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12830 } 12831 12832 @Override 12833 String getResourcePath() { 12834 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12835 } 12836 12837 private boolean cleanUp(String volumeUuid) { 12838 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12839 move.dataAppName); 12840 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12841 synchronized (mInstallLock) { 12842 // Clean up both app data and code 12843 removeDataDirsLI(volumeUuid, move.packageName); 12844 removeCodePathLI(codeFile); 12845 } 12846 return true; 12847 } 12848 12849 void cleanUpResourcesLI() { 12850 throw new UnsupportedOperationException(); 12851 } 12852 12853 boolean doPostDeleteLI(boolean delete) { 12854 throw new UnsupportedOperationException(); 12855 } 12856 } 12857 12858 static String getAsecPackageName(String packageCid) { 12859 int idx = packageCid.lastIndexOf("-"); 12860 if (idx == -1) { 12861 return packageCid; 12862 } 12863 return packageCid.substring(0, idx); 12864 } 12865 12866 // Utility method used to create code paths based on package name and available index. 12867 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12868 String idxStr = ""; 12869 int idx = 1; 12870 // Fall back to default value of idx=1 if prefix is not 12871 // part of oldCodePath 12872 if (oldCodePath != null) { 12873 String subStr = oldCodePath; 12874 // Drop the suffix right away 12875 if (suffix != null && subStr.endsWith(suffix)) { 12876 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12877 } 12878 // If oldCodePath already contains prefix find out the 12879 // ending index to either increment or decrement. 12880 int sidx = subStr.lastIndexOf(prefix); 12881 if (sidx != -1) { 12882 subStr = subStr.substring(sidx + prefix.length()); 12883 if (subStr != null) { 12884 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12885 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12886 } 12887 try { 12888 idx = Integer.parseInt(subStr); 12889 if (idx <= 1) { 12890 idx++; 12891 } else { 12892 idx--; 12893 } 12894 } catch(NumberFormatException e) { 12895 } 12896 } 12897 } 12898 } 12899 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12900 return prefix + idxStr; 12901 } 12902 12903 private File getNextCodePath(File targetDir, String packageName) { 12904 int suffix = 1; 12905 File result; 12906 do { 12907 result = new File(targetDir, packageName + "-" + suffix); 12908 suffix++; 12909 } while (result.exists()); 12910 return result; 12911 } 12912 12913 // Utility method that returns the relative package path with respect 12914 // to the installation directory. Like say for /data/data/com.test-1.apk 12915 // string com.test-1 is returned. 12916 static String deriveCodePathName(String codePath) { 12917 if (codePath == null) { 12918 return null; 12919 } 12920 final File codeFile = new File(codePath); 12921 final String name = codeFile.getName(); 12922 if (codeFile.isDirectory()) { 12923 return name; 12924 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12925 final int lastDot = name.lastIndexOf('.'); 12926 return name.substring(0, lastDot); 12927 } else { 12928 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12929 return null; 12930 } 12931 } 12932 12933 static class PackageInstalledInfo { 12934 String name; 12935 int uid; 12936 // The set of users that originally had this package installed. 12937 int[] origUsers; 12938 // The set of users that now have this package installed. 12939 int[] newUsers; 12940 PackageParser.Package pkg; 12941 int returnCode; 12942 String returnMsg; 12943 PackageRemovedInfo removedInfo; 12944 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 12945 12946 public void setError(int code, String msg) { 12947 setReturnCode(code); 12948 setReturnMessage(msg); 12949 Slog.w(TAG, msg); 12950 } 12951 12952 public void setError(String msg, PackageParserException e) { 12953 setReturnCode(e.error); 12954 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 12955 Slog.w(TAG, msg, e); 12956 } 12957 12958 public void setError(String msg, PackageManagerException e) { 12959 returnCode = e.error; 12960 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 12961 Slog.w(TAG, msg, e); 12962 } 12963 12964 public void setReturnCode(int returnCode) { 12965 this.returnCode = returnCode; 12966 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 12967 for (int i = 0; i < childCount; i++) { 12968 addedChildPackages.valueAt(i).returnCode = returnCode; 12969 } 12970 } 12971 12972 private void setReturnMessage(String returnMsg) { 12973 this.returnMsg = returnMsg; 12974 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 12975 for (int i = 0; i < childCount; i++) { 12976 addedChildPackages.valueAt(i).returnMsg = returnMsg; 12977 } 12978 } 12979 12980 // In some error cases we want to convey more info back to the observer 12981 String origPackage; 12982 String origPermission; 12983 } 12984 12985 /* 12986 * Install a non-existing package. 12987 */ 12988 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12989 UserHandle user, String installerPackageName, String volumeUuid, 12990 PackageInstalledInfo res) { 12991 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12992 12993 // Remember this for later, in case we need to rollback this install 12994 String pkgName = pkg.packageName; 12995 12996 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12997 12998 synchronized(mPackages) { 12999 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13000 // A package with the same name is already installed, though 13001 // it has been renamed to an older name. The package we 13002 // are trying to install should be installed as an update to 13003 // the existing one, but that has not been requested, so bail. 13004 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13005 + " without first uninstalling package running as " 13006 + mSettings.mRenamedPackages.get(pkgName)); 13007 return; 13008 } 13009 if (mPackages.containsKey(pkgName)) { 13010 // Don't allow installation over an existing package with the same name. 13011 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13012 + " without first uninstalling."); 13013 return; 13014 } 13015 } 13016 13017 try { 13018 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 13019 System.currentTimeMillis(), user); 13020 13021 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13022 13023 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13024 prepareAppDataAfterInstall(newPackage); 13025 13026 } else { 13027 // Remove package from internal structures, but keep around any 13028 // data that might have already existed 13029 deletePackageLI(pkgName, UserHandle.ALL, false, null, 13030 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13031 } 13032 } catch (PackageManagerException e) { 13033 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13034 } 13035 13036 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13037 } 13038 13039 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13040 // Can't rotate keys during boot or if sharedUser. 13041 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13042 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13043 return false; 13044 } 13045 // app is using upgradeKeySets; make sure all are valid 13046 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13047 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13048 for (int i = 0; i < upgradeKeySets.length; i++) { 13049 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13050 Slog.wtf(TAG, "Package " 13051 + (oldPs.name != null ? oldPs.name : "<null>") 13052 + " contains upgrade-key-set reference to unknown key-set: " 13053 + upgradeKeySets[i] 13054 + " reverting to signatures check."); 13055 return false; 13056 } 13057 } 13058 return true; 13059 } 13060 13061 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13062 // Upgrade keysets are being used. Determine if new package has a superset of the 13063 // required keys. 13064 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13065 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13066 for (int i = 0; i < upgradeKeySets.length; i++) { 13067 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13068 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13069 return true; 13070 } 13071 } 13072 return false; 13073 } 13074 13075 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13076 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13077 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13078 13079 final PackageParser.Package oldPackage; 13080 final String pkgName = pkg.packageName; 13081 final int[] allUsers; 13082 13083 // First find the old package info and check signatures 13084 synchronized(mPackages) { 13085 oldPackage = mPackages.get(pkgName); 13086 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13087 if (isEphemeral && !oldIsEphemeral) { 13088 // can't downgrade from full to ephemeral 13089 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13090 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13091 return; 13092 } 13093 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13094 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13095 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13096 if (!checkUpgradeKeySetLP(ps, pkg)) { 13097 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13098 "New package not signed by keys specified by upgrade-keysets: " 13099 + pkgName); 13100 return; 13101 } 13102 } else { 13103 // default to original signature matching 13104 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13105 != PackageManager.SIGNATURE_MATCH) { 13106 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13107 "New package has a different signature: " + pkgName); 13108 return; 13109 } 13110 } 13111 13112 // In case of rollback, remember per-user/profile install state 13113 allUsers = sUserManager.getUserIds(); 13114 } 13115 13116 // Update what is removed 13117 res.removedInfo = new PackageRemovedInfo(); 13118 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13119 res.removedInfo.removedPackage = oldPackage.packageName; 13120 res.removedInfo.isUpdate = true; 13121 final int childCount = (oldPackage.childPackages != null) 13122 ? oldPackage.childPackages.size() : 0; 13123 for (int i = 0; i < childCount; i++) { 13124 boolean childPackageUpdated = false; 13125 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13126 if (res.addedChildPackages != null) { 13127 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13128 if (childRes != null) { 13129 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13130 childRes.removedInfo.removedPackage = childPkg.packageName; 13131 childRes.removedInfo.isUpdate = true; 13132 childPackageUpdated = true; 13133 } 13134 } 13135 if (!childPackageUpdated) { 13136 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13137 childRemovedRes.removedPackage = childPkg.packageName; 13138 childRemovedRes.isUpdate = false; 13139 childRemovedRes.dataRemoved = true; 13140 synchronized (mPackages) { 13141 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13142 if (childPs != null) { 13143 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13144 } 13145 } 13146 if (res.removedInfo.removedChildPackages == null) { 13147 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13148 } 13149 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13150 } 13151 } 13152 13153 boolean sysPkg = (isSystemApp(oldPackage)); 13154 if (sysPkg) { 13155 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13156 user, allUsers, installerPackageName, res); 13157 } else { 13158 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13159 user, allUsers, installerPackageName, res); 13160 } 13161 } 13162 13163 public List<String> getPreviousCodePaths(String packageName) { 13164 final PackageSetting ps = mSettings.mPackages.get(packageName); 13165 final List<String> result = new ArrayList<String>(); 13166 if (ps != null && ps.oldCodePaths != null) { 13167 result.addAll(ps.oldCodePaths); 13168 } 13169 return result; 13170 } 13171 13172 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 13173 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13174 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13175 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13176 + deletedPackage); 13177 13178 String pkgName = deletedPackage.packageName; 13179 boolean deletedPkg = true; 13180 boolean addedPkg = false; 13181 boolean updatedSettings = false; 13182 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13183 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13184 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13185 13186 final long origUpdateTime = (pkg.mExtras != null) 13187 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13188 13189 // First delete the existing package while retaining the data directory 13190 if (!deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13191 res.removedInfo, true, pkg)) { 13192 // If the existing package wasn't successfully deleted 13193 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13194 deletedPkg = false; 13195 } else { 13196 // Successfully deleted the old package; proceed with replace. 13197 13198 // If deleted package lived in a container, give users a chance to 13199 // relinquish resources before killing. 13200 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13201 if (DEBUG_INSTALL) { 13202 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13203 } 13204 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13205 final ArrayList<String> pkgList = new ArrayList<String>(1); 13206 pkgList.add(deletedPackage.applicationInfo.packageName); 13207 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13208 } 13209 13210 deleteCodeCacheDirsLI(pkg); 13211 13212 try { 13213 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13214 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13215 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13216 13217 // Update the in-memory copy of the previous code paths. 13218 PackageSetting ps = mSettings.mPackages.get(pkgName); 13219 if (!killApp) { 13220 if (ps.oldCodePaths == null) { 13221 ps.oldCodePaths = new ArraySet<>(); 13222 } 13223 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13224 if (deletedPackage.splitCodePaths != null) { 13225 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13226 } 13227 } else { 13228 ps.oldCodePaths = null; 13229 } 13230 if (ps.childPackageNames != null) { 13231 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13232 final String childPkgName = ps.childPackageNames.get(i); 13233 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13234 childPs.oldCodePaths = ps.oldCodePaths; 13235 } 13236 } 13237 prepareAppDataAfterInstall(newPackage); 13238 addedPkg = true; 13239 } catch (PackageManagerException e) { 13240 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13241 } 13242 } 13243 13244 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13245 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13246 13247 // Revert all internal state mutations and added folders for the failed install 13248 if (addedPkg) { 13249 deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13250 res.removedInfo, true, null); 13251 } 13252 13253 // Restore the old package 13254 if (deletedPkg) { 13255 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13256 File restoreFile = new File(deletedPackage.codePath); 13257 // Parse old package 13258 boolean oldExternal = isExternal(deletedPackage); 13259 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13260 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13261 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13262 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13263 try { 13264 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13265 null); 13266 } catch (PackageManagerException e) { 13267 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13268 + e.getMessage()); 13269 return; 13270 } 13271 13272 synchronized (mPackages) { 13273 // Ensure the installer package name up to date 13274 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13275 13276 // Update permissions for restored package 13277 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13278 13279 mSettings.writeLPr(); 13280 } 13281 13282 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13283 } 13284 } else { 13285 synchronized (mPackages) { 13286 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13287 if (ps != null) { 13288 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13289 if (res.removedInfo.removedChildPackages != null) { 13290 final int childCount = res.removedInfo.removedChildPackages.size(); 13291 // Iterate in reverse as we may modify the collection 13292 for (int i = childCount - 1; i >= 0; i--) { 13293 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13294 if (res.addedChildPackages.containsKey(childPackageName)) { 13295 res.removedInfo.removedChildPackages.removeAt(i); 13296 } else { 13297 PackageRemovedInfo childInfo = res.removedInfo 13298 .removedChildPackages.valueAt(i); 13299 childInfo.removedForAllUsers = mPackages.get( 13300 childInfo.removedPackage) == null; 13301 } 13302 } 13303 } 13304 } 13305 } 13306 } 13307 } 13308 13309 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 13310 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13311 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13312 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13313 + ", old=" + deletedPackage); 13314 13315 final boolean disabledSystem; 13316 13317 // Set the system/privileged flags as needed 13318 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13319 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13320 != 0) { 13321 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13322 } 13323 13324 // Kill package processes including services, providers, etc. 13325 killPackage(deletedPackage, "replace sys pkg"); 13326 13327 // Remove existing system package 13328 removePackageLI(deletedPackage, true); 13329 13330 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13331 if (!disabledSystem) { 13332 // We didn't need to disable the .apk as a current system package, 13333 // which means we are replacing another update that is already 13334 // installed. We need to make sure to delete the older one's .apk. 13335 res.removedInfo.args = createInstallArgsForExisting(0, 13336 deletedPackage.applicationInfo.getCodePath(), 13337 deletedPackage.applicationInfo.getResourcePath(), 13338 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13339 } else { 13340 res.removedInfo.args = null; 13341 } 13342 13343 // Successfully disabled the old package. Now proceed with re-installation 13344 deleteCodeCacheDirsLI(pkg); 13345 13346 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13347 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13348 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13349 13350 PackageParser.Package newPackage = null; 13351 try { 13352 // Add the package to the internal data structures 13353 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13354 13355 // Set the update and install times 13356 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13357 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13358 System.currentTimeMillis()); 13359 13360 // Check for shared user id changes 13361 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13362 deletedPackage, newPackage); 13363 if (invalidPackageName != null) { 13364 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13365 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13366 + " to " + invalidPackageName); 13367 } 13368 13369 // Update the package dynamic state if succeeded 13370 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13371 // Now that the install succeeded make sure we remove data 13372 // directories for any child package the update removed. 13373 final int deletedChildCount = (deletedPackage.childPackages != null) 13374 ? deletedPackage.childPackages.size() : 0; 13375 final int newChildCount = (newPackage.childPackages != null) 13376 ? newPackage.childPackages.size() : 0; 13377 for (int i = 0; i < deletedChildCount; i++) { 13378 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13379 boolean childPackageDeleted = true; 13380 for (int j = 0; j < newChildCount; j++) { 13381 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13382 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13383 childPackageDeleted = false; 13384 break; 13385 } 13386 } 13387 if (childPackageDeleted) { 13388 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13389 deletedChildPkg.packageName); 13390 if (ps != null && res.removedInfo.removedChildPackages != null) { 13391 PackageRemovedInfo removedChildRes = res.removedInfo 13392 .removedChildPackages.get(deletedChildPkg.packageName); 13393 removePackageDataLI(ps, allUsers, removedChildRes, 0, false); 13394 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13395 } 13396 } 13397 } 13398 13399 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13400 prepareAppDataAfterInstall(newPackage); 13401 } 13402 } catch (PackageManagerException e) { 13403 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13404 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13405 } 13406 13407 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13408 // Re installation failed. Restore old information 13409 // Remove new pkg information 13410 if (newPackage != null) { 13411 removeInstalledPackageLI(newPackage, true); 13412 } 13413 // Add back the old system package 13414 try { 13415 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13416 } catch (PackageManagerException e) { 13417 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13418 } 13419 13420 synchronized (mPackages) { 13421 if (disabledSystem) { 13422 enableSystemPackageLPw(deletedPackage); 13423 } 13424 13425 // Ensure the installer package name up to date 13426 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13427 13428 // Update permissions for restored package 13429 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13430 13431 mSettings.writeLPr(); 13432 } 13433 13434 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13435 + " after failed upgrade"); 13436 } 13437 } 13438 13439 /** 13440 * Checks whether the parent or any of the child packages have a change shared 13441 * user. For a package to be a valid update the shred users of the parent and 13442 * the children should match. We may later support changing child shared users. 13443 * @param oldPkg The updated package. 13444 * @param newPkg The update package. 13445 * @return The shared user that change between the versions. 13446 */ 13447 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13448 PackageParser.Package newPkg) { 13449 // Check parent shared user 13450 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13451 return newPkg.packageName; 13452 } 13453 // Check child shared users 13454 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13455 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13456 for (int i = 0; i < newChildCount; i++) { 13457 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13458 // If this child was present, did it have the same shared user? 13459 for (int j = 0; j < oldChildCount; j++) { 13460 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13461 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13462 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13463 return newChildPkg.packageName; 13464 } 13465 } 13466 } 13467 return null; 13468 } 13469 13470 private void removeNativeBinariesLI(PackageSetting ps) { 13471 // Remove the lib path for the parent package 13472 if (ps != null) { 13473 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13474 // Remove the lib path for the child packages 13475 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 13476 for (int i = 0; i < childCount; i++) { 13477 PackageSetting childPs = null; 13478 synchronized (mPackages) { 13479 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 13480 } 13481 if (childPs != null) { 13482 NativeLibraryHelper.removeNativeBinariesLI(childPs 13483 .legacyNativeLibraryPathString); 13484 } 13485 } 13486 } 13487 } 13488 13489 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13490 // Enable the parent package 13491 mSettings.enableSystemPackageLPw(pkg.packageName); 13492 // Enable the child packages 13493 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13494 for (int i = 0; i < childCount; i++) { 13495 PackageParser.Package childPkg = pkg.childPackages.get(i); 13496 mSettings.enableSystemPackageLPw(childPkg.packageName); 13497 } 13498 } 13499 13500 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13501 PackageParser.Package newPkg) { 13502 // Disable the parent package (parent always replaced) 13503 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13504 // Disable the child packages 13505 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13506 for (int i = 0; i < childCount; i++) { 13507 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 13508 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 13509 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 13510 } 13511 return disabled; 13512 } 13513 13514 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 13515 String installerPackageName) { 13516 // Enable the parent package 13517 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 13518 // Enable the child packages 13519 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13520 for (int i = 0; i < childCount; i++) { 13521 PackageParser.Package childPkg = pkg.childPackages.get(i); 13522 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 13523 } 13524 } 13525 13526 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 13527 // Collect all used permissions in the UID 13528 ArraySet<String> usedPermissions = new ArraySet<>(); 13529 final int packageCount = su.packages.size(); 13530 for (int i = 0; i < packageCount; i++) { 13531 PackageSetting ps = su.packages.valueAt(i); 13532 if (ps.pkg == null) { 13533 continue; 13534 } 13535 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 13536 for (int j = 0; j < requestedPermCount; j++) { 13537 String permission = ps.pkg.requestedPermissions.get(j); 13538 BasePermission bp = mSettings.mPermissions.get(permission); 13539 if (bp != null) { 13540 usedPermissions.add(permission); 13541 } 13542 } 13543 } 13544 13545 PermissionsState permissionsState = su.getPermissionsState(); 13546 // Prune install permissions 13547 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 13548 final int installPermCount = installPermStates.size(); 13549 for (int i = installPermCount - 1; i >= 0; i--) { 13550 PermissionState permissionState = installPermStates.get(i); 13551 if (!usedPermissions.contains(permissionState.getName())) { 13552 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13553 if (bp != null) { 13554 permissionsState.revokeInstallPermission(bp); 13555 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 13556 PackageManager.MASK_PERMISSION_FLAGS, 0); 13557 } 13558 } 13559 } 13560 13561 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 13562 13563 // Prune runtime permissions 13564 for (int userId : allUserIds) { 13565 List<PermissionState> runtimePermStates = permissionsState 13566 .getRuntimePermissionStates(userId); 13567 final int runtimePermCount = runtimePermStates.size(); 13568 for (int i = runtimePermCount - 1; i >= 0; i--) { 13569 PermissionState permissionState = runtimePermStates.get(i); 13570 if (!usedPermissions.contains(permissionState.getName())) { 13571 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13572 if (bp != null) { 13573 permissionsState.revokeRuntimePermission(bp, userId); 13574 permissionsState.updatePermissionFlags(bp, userId, 13575 PackageManager.MASK_PERMISSION_FLAGS, 0); 13576 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 13577 runtimePermissionChangedUserIds, userId); 13578 } 13579 } 13580 } 13581 } 13582 13583 return runtimePermissionChangedUserIds; 13584 } 13585 13586 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 13587 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 13588 // Update the parent package setting 13589 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 13590 res, user); 13591 // Update the child packages setting 13592 final int childCount = (newPackage.childPackages != null) 13593 ? newPackage.childPackages.size() : 0; 13594 for (int i = 0; i < childCount; i++) { 13595 PackageParser.Package childPackage = newPackage.childPackages.get(i); 13596 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 13597 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 13598 childRes.origUsers, childRes, user); 13599 } 13600 } 13601 13602 private void updateSettingsInternalLI(PackageParser.Package newPackage, 13603 String installerPackageName, int[] allUsers, int[] installedForUsers, 13604 PackageInstalledInfo res, UserHandle user) { 13605 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 13606 13607 String pkgName = newPackage.packageName; 13608 synchronized (mPackages) { 13609 //write settings. the installStatus will be incomplete at this stage. 13610 //note that the new package setting would have already been 13611 //added to mPackages. It hasn't been persisted yet. 13612 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 13613 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13614 mSettings.writeLPr(); 13615 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13616 } 13617 13618 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 13619 synchronized (mPackages) { 13620 updatePermissionsLPw(newPackage.packageName, newPackage, 13621 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 13622 ? UPDATE_PERMISSIONS_ALL : 0)); 13623 // For system-bundled packages, we assume that installing an upgraded version 13624 // of the package implies that the user actually wants to run that new code, 13625 // so we enable the package. 13626 PackageSetting ps = mSettings.mPackages.get(pkgName); 13627 final int userId = user.getIdentifier(); 13628 if (ps != null) { 13629 if (isSystemApp(newPackage)) { 13630 if (DEBUG_INSTALL) { 13631 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 13632 } 13633 // Enable system package for requested users 13634 if (res.origUsers != null) { 13635 for (int origUserId : res.origUsers) { 13636 if (userId == UserHandle.USER_ALL || userId == origUserId) { 13637 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 13638 origUserId, installerPackageName); 13639 } 13640 } 13641 } 13642 // Also convey the prior install/uninstall state 13643 if (allUsers != null && installedForUsers != null) { 13644 for (int currentUserId : allUsers) { 13645 final boolean installed = ArrayUtils.contains( 13646 installedForUsers, currentUserId); 13647 if (DEBUG_INSTALL) { 13648 Slog.d(TAG, " user " + currentUserId + " => " + installed); 13649 } 13650 ps.setInstalled(installed, currentUserId); 13651 } 13652 // these install state changes will be persisted in the 13653 // upcoming call to mSettings.writeLPr(). 13654 } 13655 } 13656 // It's implied that when a user requests installation, they want the app to be 13657 // installed and enabled. 13658 if (userId != UserHandle.USER_ALL) { 13659 ps.setInstalled(true, userId); 13660 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 13661 } 13662 } 13663 res.name = pkgName; 13664 res.uid = newPackage.applicationInfo.uid; 13665 res.pkg = newPackage; 13666 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 13667 mSettings.setInstallerPackageName(pkgName, installerPackageName); 13668 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13669 //to update install status 13670 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13671 mSettings.writeLPr(); 13672 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13673 } 13674 13675 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13676 } 13677 13678 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 13679 try { 13680 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 13681 installPackageLI(args, res); 13682 } finally { 13683 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13684 } 13685 } 13686 13687 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 13688 final int installFlags = args.installFlags; 13689 final String installerPackageName = args.installerPackageName; 13690 final String volumeUuid = args.volumeUuid; 13691 final File tmpPackageFile = new File(args.getCodePath()); 13692 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 13693 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 13694 || (args.volumeUuid != null)); 13695 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 13696 boolean replace = false; 13697 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 13698 if (args.move != null) { 13699 // moving a complete application; perform an initial scan on the new install location 13700 scanFlags |= SCAN_INITIAL; 13701 } 13702 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 13703 scanFlags |= SCAN_DONT_KILL_APP; 13704 } 13705 13706 // Result object to be returned 13707 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13708 13709 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 13710 13711 // Sanity check 13712 if (ephemeral && (forwardLocked || onExternal)) { 13713 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 13714 + " external=" + onExternal); 13715 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13716 return; 13717 } 13718 13719 // Retrieve PackageSettings and parse package 13720 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 13721 | PackageParser.PARSE_ENFORCE_CODE 13722 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 13723 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 13724 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 13725 PackageParser pp = new PackageParser(); 13726 pp.setSeparateProcesses(mSeparateProcesses); 13727 pp.setDisplayMetrics(mMetrics); 13728 13729 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 13730 final PackageParser.Package pkg; 13731 try { 13732 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 13733 } catch (PackageParserException e) { 13734 res.setError("Failed parse during installPackageLI", e); 13735 return; 13736 } finally { 13737 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13738 } 13739 13740 // If we are installing a clustered package add results for the children 13741 if (pkg.childPackages != null) { 13742 synchronized (mPackages) { 13743 final int childCount = pkg.childPackages.size(); 13744 for (int i = 0; i < childCount; i++) { 13745 PackageParser.Package childPkg = pkg.childPackages.get(i); 13746 PackageInstalledInfo childRes = new PackageInstalledInfo(); 13747 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13748 childRes.pkg = childPkg; 13749 childRes.name = childPkg.packageName; 13750 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13751 if (childPs != null) { 13752 childRes.origUsers = childPs.queryInstalledUsers( 13753 sUserManager.getUserIds(), true); 13754 } 13755 if ((mPackages.containsKey(childPkg.packageName))) { 13756 childRes.removedInfo = new PackageRemovedInfo(); 13757 childRes.removedInfo.removedPackage = childPkg.packageName; 13758 } 13759 if (res.addedChildPackages == null) { 13760 res.addedChildPackages = new ArrayMap<>(); 13761 } 13762 res.addedChildPackages.put(childPkg.packageName, childRes); 13763 } 13764 } 13765 } 13766 13767 // If package doesn't declare API override, mark that we have an install 13768 // time CPU ABI override. 13769 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 13770 pkg.cpuAbiOverride = args.abiOverride; 13771 } 13772 13773 String pkgName = res.name = pkg.packageName; 13774 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 13775 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 13776 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 13777 return; 13778 } 13779 } 13780 13781 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 13782 try { 13783 PackageParser.collectCertificates(pkg, parseFlags); 13784 } catch (PackageParserException e) { 13785 res.setError("Failed collect during installPackageLI", e); 13786 return; 13787 } finally { 13788 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13789 } 13790 13791 // Get rid of all references to package scan path via parser. 13792 pp = null; 13793 String oldCodePath = null; 13794 boolean systemApp = false; 13795 synchronized (mPackages) { 13796 // Check if installing already existing package 13797 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13798 String oldName = mSettings.mRenamedPackages.get(pkgName); 13799 if (pkg.mOriginalPackages != null 13800 && pkg.mOriginalPackages.contains(oldName) 13801 && mPackages.containsKey(oldName)) { 13802 // This package is derived from an original package, 13803 // and this device has been updating from that original 13804 // name. We must continue using the original name, so 13805 // rename the new package here. 13806 pkg.setPackageName(oldName); 13807 pkgName = pkg.packageName; 13808 replace = true; 13809 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 13810 + oldName + " pkgName=" + pkgName); 13811 } else if (mPackages.containsKey(pkgName)) { 13812 // This package, under its official name, already exists 13813 // on the device; we should replace it. 13814 replace = true; 13815 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 13816 } 13817 13818 // Child packages are installed through the parent package 13819 if (pkg.parentPackage != null) { 13820 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13821 "Package " + pkg.packageName + " is child of package " 13822 + pkg.parentPackage.parentPackage + ". Child packages " 13823 + "can be updated only through the parent package."); 13824 return; 13825 } 13826 13827 if (replace) { 13828 // Prevent apps opting out from runtime permissions 13829 PackageParser.Package oldPackage = mPackages.get(pkgName); 13830 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 13831 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 13832 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 13833 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 13834 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 13835 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 13836 + " doesn't support runtime permissions but the old" 13837 + " target SDK " + oldTargetSdk + " does."); 13838 return; 13839 } 13840 13841 // Prevent installing of child packages 13842 if (oldPackage.parentPackage != null) { 13843 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13844 "Package " + pkg.packageName + " is child of package " 13845 + oldPackage.parentPackage + ". Child packages " 13846 + "can be updated only through the parent package."); 13847 return; 13848 } 13849 } 13850 } 13851 13852 PackageSetting ps = mSettings.mPackages.get(pkgName); 13853 if (ps != null) { 13854 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 13855 13856 // Quick sanity check that we're signed correctly if updating; 13857 // we'll check this again later when scanning, but we want to 13858 // bail early here before tripping over redefined permissions. 13859 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13860 if (!checkUpgradeKeySetLP(ps, pkg)) { 13861 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 13862 + pkg.packageName + " upgrade keys do not match the " 13863 + "previously installed version"); 13864 return; 13865 } 13866 } else { 13867 try { 13868 verifySignaturesLP(ps, pkg); 13869 } catch (PackageManagerException e) { 13870 res.setError(e.error, e.getMessage()); 13871 return; 13872 } 13873 } 13874 13875 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 13876 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 13877 systemApp = (ps.pkg.applicationInfo.flags & 13878 ApplicationInfo.FLAG_SYSTEM) != 0; 13879 } 13880 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13881 } 13882 13883 // Check whether the newly-scanned package wants to define an already-defined perm 13884 int N = pkg.permissions.size(); 13885 for (int i = N-1; i >= 0; i--) { 13886 PackageParser.Permission perm = pkg.permissions.get(i); 13887 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 13888 if (bp != null) { 13889 // If the defining package is signed with our cert, it's okay. This 13890 // also includes the "updating the same package" case, of course. 13891 // "updating same package" could also involve key-rotation. 13892 final boolean sigsOk; 13893 if (bp.sourcePackage.equals(pkg.packageName) 13894 && (bp.packageSetting instanceof PackageSetting) 13895 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 13896 scanFlags))) { 13897 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 13898 } else { 13899 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 13900 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 13901 } 13902 if (!sigsOk) { 13903 // If the owning package is the system itself, we log but allow 13904 // install to proceed; we fail the install on all other permission 13905 // redefinitions. 13906 if (!bp.sourcePackage.equals("android")) { 13907 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 13908 + pkg.packageName + " attempting to redeclare permission " 13909 + perm.info.name + " already owned by " + bp.sourcePackage); 13910 res.origPermission = perm.info.name; 13911 res.origPackage = bp.sourcePackage; 13912 return; 13913 } else { 13914 Slog.w(TAG, "Package " + pkg.packageName 13915 + " attempting to redeclare system permission " 13916 + perm.info.name + "; ignoring new declaration"); 13917 pkg.permissions.remove(i); 13918 } 13919 } 13920 } 13921 } 13922 } 13923 13924 if (systemApp) { 13925 if (onExternal) { 13926 // Abort update; system app can't be replaced with app on sdcard 13927 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 13928 "Cannot install updates to system apps on sdcard"); 13929 return; 13930 } else if (ephemeral) { 13931 // Abort update; system app can't be replaced with an ephemeral app 13932 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 13933 "Cannot update a system app with an ephemeral app"); 13934 return; 13935 } 13936 } 13937 13938 if (args.move != null) { 13939 // We did an in-place move, so dex is ready to roll 13940 scanFlags |= SCAN_NO_DEX; 13941 scanFlags |= SCAN_MOVE; 13942 13943 synchronized (mPackages) { 13944 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13945 if (ps == null) { 13946 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 13947 "Missing settings for moved package " + pkgName); 13948 } 13949 13950 // We moved the entire application as-is, so bring over the 13951 // previously derived ABI information. 13952 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 13953 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 13954 } 13955 13956 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 13957 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 13958 scanFlags |= SCAN_NO_DEX; 13959 13960 try { 13961 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 13962 args.abiOverride : pkg.cpuAbiOverride); 13963 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 13964 true /* extract libs */); 13965 } catch (PackageManagerException pme) { 13966 Slog.e(TAG, "Error deriving application ABI", pme); 13967 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 13968 return; 13969 } 13970 13971 13972 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 13973 // Do not run PackageDexOptimizer through the local performDexOpt 13974 // method because `pkg` is not in `mPackages` yet. 13975 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 13976 false /* useProfiles */, true /* extractOnly */); 13977 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13978 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 13979 String msg = "Extracking package failed for " + pkgName; 13980 res.setError(INSTALL_FAILED_DEXOPT, msg); 13981 return; 13982 } 13983 } 13984 13985 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 13986 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 13987 return; 13988 } 13989 13990 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 13991 13992 if (replace) { 13993 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 13994 installerPackageName, res); 13995 } else { 13996 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 13997 args.user, installerPackageName, volumeUuid, res); 13998 } 13999 synchronized (mPackages) { 14000 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14001 if (ps != null) { 14002 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14003 } 14004 14005 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14006 for (int i = 0; i < childCount; i++) { 14007 PackageParser.Package childPkg = pkg.childPackages.get(i); 14008 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14009 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14010 if (childPs != null) { 14011 childRes.newUsers = childPs.queryInstalledUsers( 14012 sUserManager.getUserIds(), true); 14013 } 14014 } 14015 } 14016 } 14017 14018 private void startIntentFilterVerifications(int userId, boolean replacing, 14019 PackageParser.Package pkg) { 14020 if (mIntentFilterVerifierComponent == null) { 14021 Slog.w(TAG, "No IntentFilter verification will not be done as " 14022 + "there is no IntentFilterVerifier available!"); 14023 return; 14024 } 14025 14026 final int verifierUid = getPackageUid( 14027 mIntentFilterVerifierComponent.getPackageName(), 14028 MATCH_DEBUG_TRIAGED_MISSING, 14029 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14030 14031 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14032 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14033 mHandler.sendMessage(msg); 14034 14035 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14036 for (int i = 0; i < childCount; i++) { 14037 PackageParser.Package childPkg = pkg.childPackages.get(i); 14038 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14039 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14040 mHandler.sendMessage(msg); 14041 } 14042 } 14043 14044 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14045 PackageParser.Package pkg) { 14046 int size = pkg.activities.size(); 14047 if (size == 0) { 14048 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14049 "No activity, so no need to verify any IntentFilter!"); 14050 return; 14051 } 14052 14053 final boolean hasDomainURLs = hasDomainURLs(pkg); 14054 if (!hasDomainURLs) { 14055 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14056 "No domain URLs, so no need to verify any IntentFilter!"); 14057 return; 14058 } 14059 14060 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14061 + " if any IntentFilter from the " + size 14062 + " Activities needs verification ..."); 14063 14064 int count = 0; 14065 final String packageName = pkg.packageName; 14066 14067 synchronized (mPackages) { 14068 // If this is a new install and we see that we've already run verification for this 14069 // package, we have nothing to do: it means the state was restored from backup. 14070 if (!replacing) { 14071 IntentFilterVerificationInfo ivi = 14072 mSettings.getIntentFilterVerificationLPr(packageName); 14073 if (ivi != null) { 14074 if (DEBUG_DOMAIN_VERIFICATION) { 14075 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14076 + ivi.getStatusString()); 14077 } 14078 return; 14079 } 14080 } 14081 14082 // If any filters need to be verified, then all need to be. 14083 boolean needToVerify = false; 14084 for (PackageParser.Activity a : pkg.activities) { 14085 for (ActivityIntentInfo filter : a.intents) { 14086 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14087 if (DEBUG_DOMAIN_VERIFICATION) { 14088 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14089 } 14090 needToVerify = true; 14091 break; 14092 } 14093 } 14094 } 14095 14096 if (needToVerify) { 14097 final int verificationId = mIntentFilterVerificationToken++; 14098 for (PackageParser.Activity a : pkg.activities) { 14099 for (ActivityIntentInfo filter : a.intents) { 14100 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14101 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14102 "Verification needed for IntentFilter:" + filter.toString()); 14103 mIntentFilterVerifier.addOneIntentFilterVerification( 14104 verifierUid, userId, verificationId, filter, packageName); 14105 count++; 14106 } 14107 } 14108 } 14109 } 14110 } 14111 14112 if (count > 0) { 14113 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14114 + " IntentFilter verification" + (count > 1 ? "s" : "") 14115 + " for userId:" + userId); 14116 mIntentFilterVerifier.startVerifications(userId); 14117 } else { 14118 if (DEBUG_DOMAIN_VERIFICATION) { 14119 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14120 } 14121 } 14122 } 14123 14124 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14125 final ComponentName cn = filter.activity.getComponentName(); 14126 final String packageName = cn.getPackageName(); 14127 14128 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14129 packageName); 14130 if (ivi == null) { 14131 return true; 14132 } 14133 int status = ivi.getStatus(); 14134 switch (status) { 14135 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14136 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14137 return true; 14138 14139 default: 14140 // Nothing to do 14141 return false; 14142 } 14143 } 14144 14145 private static boolean isMultiArch(ApplicationInfo info) { 14146 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14147 } 14148 14149 private static boolean isExternal(PackageParser.Package pkg) { 14150 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14151 } 14152 14153 private static boolean isExternal(PackageSetting ps) { 14154 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14155 } 14156 14157 private static boolean isEphemeral(PackageParser.Package pkg) { 14158 return pkg.applicationInfo.isEphemeralApp(); 14159 } 14160 14161 private static boolean isEphemeral(PackageSetting ps) { 14162 return ps.pkg != null && isEphemeral(ps.pkg); 14163 } 14164 14165 private static boolean isSystemApp(PackageParser.Package pkg) { 14166 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14167 } 14168 14169 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14170 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14171 } 14172 14173 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14174 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14175 } 14176 14177 private static boolean isSystemApp(PackageSetting ps) { 14178 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14179 } 14180 14181 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14182 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14183 } 14184 14185 private int packageFlagsToInstallFlags(PackageSetting ps) { 14186 int installFlags = 0; 14187 if (isEphemeral(ps)) { 14188 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14189 } 14190 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14191 // This existing package was an external ASEC install when we have 14192 // the external flag without a UUID 14193 installFlags |= PackageManager.INSTALL_EXTERNAL; 14194 } 14195 if (ps.isForwardLocked()) { 14196 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14197 } 14198 return installFlags; 14199 } 14200 14201 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14202 if (isExternal(pkg)) { 14203 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14204 return StorageManager.UUID_PRIMARY_PHYSICAL; 14205 } else { 14206 return pkg.volumeUuid; 14207 } 14208 } else { 14209 return StorageManager.UUID_PRIVATE_INTERNAL; 14210 } 14211 } 14212 14213 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14214 if (isExternal(pkg)) { 14215 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14216 return mSettings.getExternalVersion(); 14217 } else { 14218 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14219 } 14220 } else { 14221 return mSettings.getInternalVersion(); 14222 } 14223 } 14224 14225 private void deleteTempPackageFiles() { 14226 final FilenameFilter filter = new FilenameFilter() { 14227 public boolean accept(File dir, String name) { 14228 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14229 } 14230 }; 14231 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14232 file.delete(); 14233 } 14234 } 14235 14236 @Override 14237 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14238 int flags) { 14239 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14240 flags); 14241 } 14242 14243 @Override 14244 public void deletePackage(final String packageName, 14245 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 14246 mContext.enforceCallingOrSelfPermission( 14247 android.Manifest.permission.DELETE_PACKAGES, null); 14248 Preconditions.checkNotNull(packageName); 14249 Preconditions.checkNotNull(observer); 14250 final int uid = Binder.getCallingUid(); 14251 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 14252 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14253 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14254 mContext.enforceCallingOrSelfPermission( 14255 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14256 "deletePackage for user " + userId); 14257 } 14258 14259 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14260 try { 14261 observer.onPackageDeleted(packageName, 14262 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14263 } catch (RemoteException re) { 14264 } 14265 return; 14266 } 14267 14268 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 14269 try { 14270 observer.onPackageDeleted(packageName, 14271 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14272 } catch (RemoteException re) { 14273 } 14274 return; 14275 } 14276 14277 if (DEBUG_REMOVE) { 14278 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 14279 + " deleteAllUsers: " + deleteAllUsers ); 14280 } 14281 // Queue up an async operation since the package deletion may take a little while. 14282 mHandler.post(new Runnable() { 14283 public void run() { 14284 mHandler.removeCallbacks(this); 14285 int returnCode; 14286 if (!deleteAllUsers) { 14287 returnCode = deletePackageX(packageName, userId, flags); 14288 } else { 14289 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 14290 // If nobody is blocking uninstall, proceed with delete for all users 14291 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 14292 returnCode = deletePackageX(packageName, userId, flags); 14293 } else { 14294 // Otherwise uninstall individually for users with blockUninstalls=false 14295 final int userFlags = flags & ~PackageManager.DELETE_ALL_USERS; 14296 for (int userId : users) { 14297 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 14298 returnCode = deletePackageX(packageName, userId, userFlags); 14299 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 14300 Slog.w(TAG, "Package delete failed for user " + userId 14301 + ", returnCode " + returnCode); 14302 } 14303 } 14304 } 14305 // The app has only been marked uninstalled for certain users. 14306 // We still need to report that delete was blocked 14307 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 14308 } 14309 } 14310 try { 14311 observer.onPackageDeleted(packageName, returnCode, null); 14312 } catch (RemoteException e) { 14313 Log.i(TAG, "Observer no longer exists."); 14314 } //end catch 14315 } //end run 14316 }); 14317 } 14318 14319 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 14320 int[] result = EMPTY_INT_ARRAY; 14321 for (int userId : userIds) { 14322 if (getBlockUninstallForUser(packageName, userId)) { 14323 result = ArrayUtils.appendInt(result, userId); 14324 } 14325 } 14326 return result; 14327 } 14328 14329 @Override 14330 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14331 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14332 } 14333 14334 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14335 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14336 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14337 try { 14338 if (dpm != null) { 14339 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14340 /* callingUserOnly =*/ false); 14341 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14342 : deviceOwnerComponentName.getPackageName(); 14343 // Does the package contains the device owner? 14344 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14345 // this check is probably not needed, since DO should be registered as a device 14346 // admin on some user too. (Original bug for this: b/17657954) 14347 if (packageName.equals(deviceOwnerPackageName)) { 14348 return true; 14349 } 14350 // Does it contain a device admin for any user? 14351 int[] users; 14352 if (userId == UserHandle.USER_ALL) { 14353 users = sUserManager.getUserIds(); 14354 } else { 14355 users = new int[]{userId}; 14356 } 14357 for (int i = 0; i < users.length; ++i) { 14358 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14359 return true; 14360 } 14361 } 14362 } 14363 } catch (RemoteException e) { 14364 } 14365 return false; 14366 } 14367 14368 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14369 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14370 } 14371 14372 /** 14373 * This method is an internal method that could be get invoked either 14374 * to delete an installed package or to clean up a failed installation. 14375 * After deleting an installed package, a broadcast is sent to notify any 14376 * listeners that the package has been installed. For cleaning up a failed 14377 * installation, the broadcast is not necessary since the package's 14378 * installation wouldn't have sent the initial broadcast either 14379 * The key steps in deleting a package are 14380 * deleting the package information in internal structures like mPackages, 14381 * deleting the packages base directories through installd 14382 * updating mSettings to reflect current status 14383 * persisting settings for later use 14384 * sending a broadcast if necessary 14385 */ 14386 private int deletePackageX(String packageName, int userId, int flags) { 14387 final PackageRemovedInfo info = new PackageRemovedInfo(); 14388 final boolean res; 14389 14390 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 14391 ? UserHandle.ALL : new UserHandle(userId); 14392 14393 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14394 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14395 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14396 } 14397 14398 PackageSetting uninstalledPs = null; 14399 14400 // for the uninstall-updates case and restricted profiles, remember the per- 14401 // user handle installed state 14402 int[] allUsers; 14403 synchronized (mPackages) { 14404 uninstalledPs = mSettings.mPackages.get(packageName); 14405 if (uninstalledPs == null) { 14406 Slog.w(TAG, "Not removing non-existent package " + packageName); 14407 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14408 } 14409 allUsers = sUserManager.getUserIds(); 14410 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14411 } 14412 14413 synchronized (mInstallLock) { 14414 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14415 res = deletePackageLI(packageName, removeForUser, true, allUsers, 14416 flags | REMOVE_CHATTY, info, true, null); 14417 synchronized (mPackages) { 14418 if (res) { 14419 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14420 } 14421 } 14422 } 14423 14424 if (res) { 14425 final boolean killApp = (flags & PackageManager.INSTALL_DONT_KILL_APP) == 0; 14426 info.sendPackageRemovedBroadcasts(killApp); 14427 info.sendSystemPackageUpdatedBroadcasts(); 14428 info.sendSystemPackageAppearedBroadcasts(); 14429 } 14430 // Force a gc here. 14431 Runtime.getRuntime().gc(); 14432 // Delete the resources here after sending the broadcast to let 14433 // other processes clean up before deleting resources. 14434 if (info.args != null) { 14435 synchronized (mInstallLock) { 14436 info.args.doPostDeleteLI(true); 14437 } 14438 } 14439 14440 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14441 } 14442 14443 class PackageRemovedInfo { 14444 String removedPackage; 14445 int uid = -1; 14446 int removedAppId = -1; 14447 int[] origUsers; 14448 int[] removedUsers = null; 14449 boolean isRemovedPackageSystemUpdate = false; 14450 boolean isUpdate; 14451 boolean dataRemoved; 14452 boolean removedForAllUsers; 14453 // Clean up resources deleted packages. 14454 InstallArgs args = null; 14455 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 14456 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 14457 14458 void sendPackageRemovedBroadcasts(boolean killApp) { 14459 sendPackageRemovedBroadcastInternal(killApp); 14460 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 14461 for (int i = 0; i < childCount; i++) { 14462 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14463 childInfo.sendPackageRemovedBroadcastInternal(killApp); 14464 } 14465 } 14466 14467 void sendSystemPackageUpdatedBroadcasts() { 14468 if (isRemovedPackageSystemUpdate) { 14469 sendSystemPackageUpdatedBroadcastsInternal(); 14470 final int childCount = (removedChildPackages != null) 14471 ? removedChildPackages.size() : 0; 14472 for (int i = 0; i < childCount; i++) { 14473 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14474 if (childInfo.isRemovedPackageSystemUpdate) { 14475 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 14476 } 14477 } 14478 } 14479 } 14480 14481 void sendSystemPackageAppearedBroadcasts() { 14482 final int packageCount = (appearedChildPackages != null) 14483 ? appearedChildPackages.size() : 0; 14484 for (int i = 0; i < packageCount; i++) { 14485 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 14486 for (int userId : installedInfo.newUsers) { 14487 sendPackageAddedForUser(installedInfo.name, true, 14488 UserHandle.getAppId(installedInfo.uid), userId); 14489 } 14490 } 14491 } 14492 14493 private void sendSystemPackageUpdatedBroadcastsInternal() { 14494 Bundle extras = new Bundle(2); 14495 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14496 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14497 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 14498 extras, 0, null, null, null); 14499 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 14500 extras, 0, null, null, null); 14501 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14502 null, 0, removedPackage, null, null); 14503 } 14504 14505 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 14506 Bundle extras = new Bundle(2); 14507 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14508 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 14509 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 14510 if (isUpdate || isRemovedPackageSystemUpdate) { 14511 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14512 } 14513 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 14514 if (removedPackage != null) { 14515 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 14516 extras, 0, null, null, removedUsers); 14517 if (dataRemoved && !isRemovedPackageSystemUpdate) { 14518 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 14519 removedPackage, extras, 0, null, null, removedUsers); 14520 } 14521 } 14522 if (removedAppId >= 0) { 14523 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 14524 removedUsers); 14525 } 14526 } 14527 } 14528 14529 /* 14530 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 14531 * flag is not set, the data directory is removed as well. 14532 * make sure this flag is set for partially installed apps. If not its meaningless to 14533 * delete a partially installed application. 14534 */ 14535 private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, 14536 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 14537 String packageName = ps.name; 14538 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 14539 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 14540 // Retrieve object to delete permissions for shared user later on 14541 final PackageSetting deletedPs; 14542 // reader 14543 synchronized (mPackages) { 14544 deletedPs = mSettings.mPackages.get(packageName); 14545 if (outInfo != null) { 14546 outInfo.removedPackage = packageName; 14547 outInfo.removedUsers = deletedPs != null 14548 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 14549 : null; 14550 } 14551 } 14552 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14553 removeDataDirsLI(ps.volumeUuid, packageName); 14554 if (outInfo != null) { 14555 outInfo.dataRemoved = true; 14556 } 14557 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 14558 } 14559 // writer 14560 synchronized (mPackages) { 14561 if (deletedPs != null) { 14562 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14563 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 14564 clearDefaultBrowserIfNeeded(packageName); 14565 if (outInfo != null) { 14566 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 14567 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 14568 } 14569 updatePermissionsLPw(deletedPs.name, null, 0); 14570 if (deletedPs.sharedUser != null) { 14571 // Remove permissions associated with package. Since runtime 14572 // permissions are per user we have to kill the removed package 14573 // or packages running under the shared user of the removed 14574 // package if revoking the permissions requested only by the removed 14575 // package is successful and this causes a change in gids. 14576 for (int userId : UserManagerService.getInstance().getUserIds()) { 14577 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 14578 userId); 14579 if (userIdToKill == UserHandle.USER_ALL 14580 || userIdToKill >= UserHandle.USER_SYSTEM) { 14581 // If gids changed for this user, kill all affected packages. 14582 mHandler.post(new Runnable() { 14583 @Override 14584 public void run() { 14585 // This has to happen with no lock held. 14586 killApplication(deletedPs.name, deletedPs.appId, 14587 KILL_APP_REASON_GIDS_CHANGED); 14588 } 14589 }); 14590 break; 14591 } 14592 } 14593 } 14594 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 14595 } 14596 // make sure to preserve per-user disabled state if this removal was just 14597 // a downgrade of a system app to the factory package 14598 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 14599 if (DEBUG_REMOVE) { 14600 Slog.d(TAG, "Propagating install state across downgrade"); 14601 } 14602 for (int userId : allUserHandles) { 14603 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14604 if (DEBUG_REMOVE) { 14605 Slog.d(TAG, " user " + userId + " => " + installed); 14606 } 14607 ps.setInstalled(installed, userId); 14608 } 14609 } 14610 } 14611 // can downgrade to reader 14612 if (writeSettings) { 14613 // Save settings now 14614 mSettings.writeLPr(); 14615 } 14616 } 14617 if (outInfo != null) { 14618 // A user ID was deleted here. Go through all users and remove it 14619 // from KeyStore. 14620 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 14621 } 14622 } 14623 14624 static boolean locationIsPrivileged(File path) { 14625 try { 14626 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 14627 .getCanonicalPath(); 14628 return path.getCanonicalPath().startsWith(privilegedAppDir); 14629 } catch (IOException e) { 14630 Slog.e(TAG, "Unable to access code path " + path); 14631 } 14632 return false; 14633 } 14634 14635 /* 14636 * Tries to delete system package. 14637 */ 14638 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 14639 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 14640 boolean writeSettings) { 14641 if (deletedPs.parentPackageName != null) { 14642 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 14643 return false; 14644 } 14645 14646 final boolean applyUserRestrictions 14647 = (allUserHandles != null) && (outInfo.origUsers != null); 14648 final PackageSetting disabledPs; 14649 // Confirm if the system package has been updated 14650 // An updated system app can be deleted. This will also have to restore 14651 // the system pkg from system partition 14652 // reader 14653 synchronized (mPackages) { 14654 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 14655 } 14656 14657 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 14658 + " disabledPs=" + disabledPs); 14659 14660 if (disabledPs == null) { 14661 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 14662 return false; 14663 } else if (DEBUG_REMOVE) { 14664 Slog.d(TAG, "Deleting system pkg from data partition"); 14665 } 14666 14667 if (DEBUG_REMOVE) { 14668 if (applyUserRestrictions) { 14669 Slog.d(TAG, "Remembering install states:"); 14670 for (int userId : allUserHandles) { 14671 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 14672 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 14673 } 14674 } 14675 } 14676 14677 // Delete the updated package 14678 outInfo.isRemovedPackageSystemUpdate = true; 14679 if (outInfo.removedChildPackages != null) { 14680 final int childCount = (deletedPs.childPackageNames != null) 14681 ? deletedPs.childPackageNames.size() : 0; 14682 for (int i = 0; i < childCount; i++) { 14683 String childPackageName = deletedPs.childPackageNames.get(i); 14684 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 14685 .contains(childPackageName)) { 14686 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14687 childPackageName); 14688 if (childInfo != null) { 14689 childInfo.isRemovedPackageSystemUpdate = true; 14690 } 14691 } 14692 } 14693 } 14694 14695 if (disabledPs.versionCode < deletedPs.versionCode) { 14696 // Delete data for downgrades 14697 flags &= ~PackageManager.DELETE_KEEP_DATA; 14698 } else { 14699 // Preserve data by setting flag 14700 flags |= PackageManager.DELETE_KEEP_DATA; 14701 } 14702 14703 boolean ret = deleteInstalledPackageLI(deletedPs, true, flags, allUserHandles, 14704 outInfo, writeSettings, disabledPs.pkg); 14705 if (!ret) { 14706 return false; 14707 } 14708 14709 // writer 14710 synchronized (mPackages) { 14711 // Reinstate the old system package 14712 enableSystemPackageLPw(disabledPs.pkg); 14713 // Remove any native libraries from the upgraded package. 14714 removeNativeBinariesLI(deletedPs); 14715 } 14716 14717 // Install the system package 14718 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 14719 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 14720 if (locationIsPrivileged(disabledPs.codePath)) { 14721 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 14722 } 14723 14724 final PackageParser.Package newPkg; 14725 try { 14726 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 14727 } catch (PackageManagerException e) { 14728 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 14729 + e.getMessage()); 14730 return false; 14731 } 14732 14733 prepareAppDataAfterInstall(newPkg); 14734 14735 // writer 14736 synchronized (mPackages) { 14737 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 14738 14739 // Propagate the permissions state as we do not want to drop on the floor 14740 // runtime permissions. The update permissions method below will take 14741 // care of removing obsolete permissions and grant install permissions. 14742 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 14743 updatePermissionsLPw(newPkg.packageName, newPkg, 14744 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 14745 14746 if (applyUserRestrictions) { 14747 if (DEBUG_REMOVE) { 14748 Slog.d(TAG, "Propagating install state across reinstall"); 14749 } 14750 for (int userId : allUserHandles) { 14751 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14752 if (DEBUG_REMOVE) { 14753 Slog.d(TAG, " user " + userId + " => " + installed); 14754 } 14755 ps.setInstalled(installed, userId); 14756 14757 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 14758 } 14759 // Regardless of writeSettings we need to ensure that this restriction 14760 // state propagation is persisted 14761 mSettings.writeAllUsersPackageRestrictionsLPr(); 14762 } 14763 // can downgrade to reader here 14764 if (writeSettings) { 14765 mSettings.writeLPr(); 14766 } 14767 } 14768 return true; 14769 } 14770 14771 private boolean deleteInstalledPackageLI(PackageSetting ps, 14772 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 14773 PackageRemovedInfo outInfo, boolean writeSettings, 14774 PackageParser.Package replacingPackage) { 14775 synchronized (mPackages) { 14776 if (outInfo != null) { 14777 outInfo.uid = ps.appId; 14778 } 14779 14780 if (outInfo != null && outInfo.removedChildPackages != null) { 14781 final int childCount = (ps.childPackageNames != null) 14782 ? ps.childPackageNames.size() : 0; 14783 for (int i = 0; i < childCount; i++) { 14784 String childPackageName = ps.childPackageNames.get(i); 14785 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 14786 if (childPs == null) { 14787 return false; 14788 } 14789 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14790 childPackageName); 14791 if (childInfo != null) { 14792 childInfo.uid = childPs.appId; 14793 } 14794 } 14795 } 14796 } 14797 14798 // Delete package data from internal structures and also remove data if flag is set 14799 removePackageDataLI(ps, allUserHandles, outInfo, flags, writeSettings); 14800 14801 // Delete the child packages data 14802 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14803 for (int i = 0; i < childCount; i++) { 14804 PackageSetting childPs; 14805 synchronized (mPackages) { 14806 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14807 } 14808 if (childPs != null) { 14809 PackageRemovedInfo childOutInfo = (outInfo != null 14810 && outInfo.removedChildPackages != null) 14811 ? outInfo.removedChildPackages.get(childPs.name) : null; 14812 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 14813 && (replacingPackage != null 14814 && !replacingPackage.hasChildPackage(childPs.name)) 14815 ? flags & ~DELETE_KEEP_DATA : flags; 14816 removePackageDataLI(childPs, allUserHandles, childOutInfo, 14817 deleteFlags, writeSettings); 14818 } 14819 } 14820 14821 // Delete application code and resources only for parent packages 14822 if (ps.parentPackageName == null) { 14823 if (deleteCodeAndResources && (outInfo != null)) { 14824 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 14825 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 14826 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 14827 } 14828 } 14829 14830 return true; 14831 } 14832 14833 @Override 14834 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 14835 int userId) { 14836 mContext.enforceCallingOrSelfPermission( 14837 android.Manifest.permission.DELETE_PACKAGES, null); 14838 synchronized (mPackages) { 14839 PackageSetting ps = mSettings.mPackages.get(packageName); 14840 if (ps == null) { 14841 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 14842 return false; 14843 } 14844 if (!ps.getInstalled(userId)) { 14845 // Can't block uninstall for an app that is not installed or enabled. 14846 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 14847 return false; 14848 } 14849 ps.setBlockUninstall(blockUninstall, userId); 14850 mSettings.writePackageRestrictionsLPr(userId); 14851 } 14852 return true; 14853 } 14854 14855 @Override 14856 public boolean getBlockUninstallForUser(String packageName, int userId) { 14857 synchronized (mPackages) { 14858 PackageSetting ps = mSettings.mPackages.get(packageName); 14859 if (ps == null) { 14860 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 14861 return false; 14862 } 14863 return ps.getBlockUninstall(userId); 14864 } 14865 } 14866 14867 @Override 14868 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 14869 int callingUid = Binder.getCallingUid(); 14870 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 14871 throw new SecurityException( 14872 "setRequiredForSystemUser can only be run by the system or root"); 14873 } 14874 synchronized (mPackages) { 14875 PackageSetting ps = mSettings.mPackages.get(packageName); 14876 if (ps == null) { 14877 Log.w(TAG, "Package doesn't exist: " + packageName); 14878 return false; 14879 } 14880 if (systemUserApp) { 14881 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14882 } else { 14883 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14884 } 14885 mSettings.writeLPr(); 14886 } 14887 return true; 14888 } 14889 14890 /* 14891 * This method handles package deletion in general 14892 */ 14893 private boolean deletePackageLI(String packageName, UserHandle user, 14894 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 14895 PackageRemovedInfo outInfo, boolean writeSettings, 14896 PackageParser.Package replacingPackage) { 14897 if (packageName == null) { 14898 Slog.w(TAG, "Attempt to delete null packageName."); 14899 return false; 14900 } 14901 14902 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 14903 14904 PackageSetting ps; 14905 14906 synchronized (mPackages) { 14907 ps = mSettings.mPackages.get(packageName); 14908 if (ps == null) { 14909 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 14910 return false; 14911 } 14912 14913 if (ps.parentPackageName != null && (!isSystemApp(ps) 14914 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 14915 if (DEBUG_REMOVE) { 14916 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 14917 + ((user == null) ? UserHandle.USER_ALL : user)); 14918 } 14919 final int removedUserId = (user != null) ? user.getIdentifier() 14920 : UserHandle.USER_ALL; 14921 if (!clearPackageStateForUser(ps, removedUserId, outInfo)) { 14922 return false; 14923 } 14924 markPackageUninstalledForUserLPw(ps, user); 14925 scheduleWritePackageRestrictionsLocked(user); 14926 return true; 14927 } 14928 } 14929 14930 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 14931 && user.getIdentifier() != UserHandle.USER_ALL)) { 14932 // The caller is asking that the package only be deleted for a single 14933 // user. To do this, we just mark its uninstalled state and delete 14934 // its data. If this is a system app, we only allow this to happen if 14935 // they have set the special DELETE_SYSTEM_APP which requests different 14936 // semantics than normal for uninstalling system apps. 14937 markPackageUninstalledForUserLPw(ps, user); 14938 14939 if (!isSystemApp(ps)) { 14940 // Do not uninstall the APK if an app should be cached 14941 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 14942 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 14943 // Other user still have this package installed, so all 14944 // we need to do is clear this user's data and save that 14945 // it is uninstalled. 14946 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 14947 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 14948 return false; 14949 } 14950 scheduleWritePackageRestrictionsLocked(user); 14951 return true; 14952 } else { 14953 // We need to set it back to 'installed' so the uninstall 14954 // broadcasts will be sent correctly. 14955 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 14956 ps.setInstalled(true, user.getIdentifier()); 14957 } 14958 } else { 14959 // This is a system app, so we assume that the 14960 // other users still have this package installed, so all 14961 // we need to do is clear this user's data and save that 14962 // it is uninstalled. 14963 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 14964 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 14965 return false; 14966 } 14967 scheduleWritePackageRestrictionsLocked(user); 14968 return true; 14969 } 14970 } 14971 14972 // If we are deleting a composite package for all users, keep track 14973 // of result for each child. 14974 if (ps.childPackageNames != null && outInfo != null) { 14975 synchronized (mPackages) { 14976 final int childCount = ps.childPackageNames.size(); 14977 outInfo.removedChildPackages = new ArrayMap<>(childCount); 14978 for (int i = 0; i < childCount; i++) { 14979 String childPackageName = ps.childPackageNames.get(i); 14980 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 14981 childInfo.removedPackage = childPackageName; 14982 outInfo.removedChildPackages.put(childPackageName, childInfo); 14983 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 14984 if (childPs != null) { 14985 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 14986 } 14987 } 14988 } 14989 } 14990 14991 boolean ret = false; 14992 if (isSystemApp(ps)) { 14993 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 14994 // When an updated system application is deleted we delete the existing resources 14995 // as well and fall back to existing code in system partition 14996 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 14997 } else { 14998 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 14999 // Kill application pre-emptively especially for apps on sd. 15000 final boolean killApp = (flags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15001 if (killApp) { 15002 killApplication(packageName, ps.appId, "uninstall pkg"); 15003 } 15004 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, allUserHandles, 15005 outInfo, writeSettings, replacingPackage); 15006 } 15007 15008 // Take a note whether we deleted the package for all users 15009 if (outInfo != null) { 15010 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15011 if (outInfo.removedChildPackages != null) { 15012 synchronized (mPackages) { 15013 final int childCount = outInfo.removedChildPackages.size(); 15014 for (int i = 0; i < childCount; i++) { 15015 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15016 if (childInfo != null) { 15017 childInfo.removedForAllUsers = mPackages.get( 15018 childInfo.removedPackage) == null; 15019 } 15020 } 15021 } 15022 } 15023 // If we uninstalled an update to a system app there may be some 15024 // child packages that appeared as they are declared in the system 15025 // app but were not declared in the update. 15026 if (isSystemApp(ps)) { 15027 synchronized (mPackages) { 15028 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15029 final int childCount = (updatedPs.childPackageNames != null) 15030 ? updatedPs.childPackageNames.size() : 0; 15031 for (int i = 0; i < childCount; i++) { 15032 String childPackageName = updatedPs.childPackageNames.get(i); 15033 if (outInfo.removedChildPackages == null 15034 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15035 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15036 if (childPs == null) { 15037 continue; 15038 } 15039 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15040 installRes.name = childPackageName; 15041 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15042 installRes.pkg = mPackages.get(childPackageName); 15043 installRes.uid = childPs.pkg.applicationInfo.uid; 15044 if (outInfo.appearedChildPackages == null) { 15045 outInfo.appearedChildPackages = new ArrayMap<>(); 15046 } 15047 outInfo.appearedChildPackages.put(childPackageName, installRes); 15048 } 15049 } 15050 } 15051 } 15052 } 15053 15054 return ret; 15055 } 15056 15057 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15058 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15059 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15060 for (int nextUserId : userIds) { 15061 if (DEBUG_REMOVE) { 15062 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15063 } 15064 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 15065 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15066 false /*hidden*/, false /*suspended*/, null, null, null, 15067 false /*blockUninstall*/, 15068 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15069 } 15070 } 15071 15072 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 15073 PackageRemovedInfo outInfo) { 15074 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15075 : new int[] {userId}; 15076 for (int nextUserId : userIds) { 15077 if (DEBUG_REMOVE) { 15078 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15079 + nextUserId); 15080 } 15081 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 15082 try { 15083 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 15084 } catch (InstallerException e) { 15085 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 15086 return false; 15087 } 15088 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15089 schedulePackageCleaning(ps.name, nextUserId, false); 15090 synchronized (mPackages) { 15091 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15092 scheduleWritePackageRestrictionsLocked(nextUserId); 15093 } 15094 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15095 } 15096 } 15097 15098 if (outInfo != null) { 15099 outInfo.removedPackage = ps.name; 15100 outInfo.removedAppId = ps.appId; 15101 outInfo.removedUsers = userIds; 15102 } 15103 15104 return true; 15105 } 15106 15107 private final class ClearStorageConnection implements ServiceConnection { 15108 IMediaContainerService mContainerService; 15109 15110 @Override 15111 public void onServiceConnected(ComponentName name, IBinder service) { 15112 synchronized (this) { 15113 mContainerService = IMediaContainerService.Stub.asInterface(service); 15114 notifyAll(); 15115 } 15116 } 15117 15118 @Override 15119 public void onServiceDisconnected(ComponentName name) { 15120 } 15121 } 15122 15123 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15124 final boolean mounted; 15125 if (Environment.isExternalStorageEmulated()) { 15126 mounted = true; 15127 } else { 15128 final String status = Environment.getExternalStorageState(); 15129 15130 mounted = status.equals(Environment.MEDIA_MOUNTED) 15131 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15132 } 15133 15134 if (!mounted) { 15135 return; 15136 } 15137 15138 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15139 int[] users; 15140 if (userId == UserHandle.USER_ALL) { 15141 users = sUserManager.getUserIds(); 15142 } else { 15143 users = new int[] { userId }; 15144 } 15145 final ClearStorageConnection conn = new ClearStorageConnection(); 15146 if (mContext.bindServiceAsUser( 15147 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15148 try { 15149 for (int curUser : users) { 15150 long timeout = SystemClock.uptimeMillis() + 5000; 15151 synchronized (conn) { 15152 long now = SystemClock.uptimeMillis(); 15153 while (conn.mContainerService == null && now < timeout) { 15154 try { 15155 conn.wait(timeout - now); 15156 } catch (InterruptedException e) { 15157 } 15158 } 15159 } 15160 if (conn.mContainerService == null) { 15161 return; 15162 } 15163 15164 final UserEnvironment userEnv = new UserEnvironment(curUser); 15165 clearDirectory(conn.mContainerService, 15166 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15167 if (allData) { 15168 clearDirectory(conn.mContainerService, 15169 userEnv.buildExternalStorageAppDataDirs(packageName)); 15170 clearDirectory(conn.mContainerService, 15171 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15172 } 15173 } 15174 } finally { 15175 mContext.unbindService(conn); 15176 } 15177 } 15178 } 15179 15180 @Override 15181 public void clearApplicationProfileData(String packageName) { 15182 enforceSystemOrRoot("Only the system can clear all profile data"); 15183 try { 15184 mInstaller.rmProfiles(packageName); 15185 } catch (InstallerException ex) { 15186 Log.e(TAG, "Could not clear profile data of package " + packageName); 15187 } 15188 } 15189 15190 @Override 15191 public void clearApplicationUserData(final String packageName, 15192 final IPackageDataObserver observer, final int userId) { 15193 mContext.enforceCallingOrSelfPermission( 15194 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15195 15196 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15197 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15198 15199 final DevicePolicyManagerInternal dpmi = LocalServices 15200 .getService(DevicePolicyManagerInternal.class); 15201 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15202 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15203 } 15204 // Queue up an async operation since the package deletion may take a little while. 15205 mHandler.post(new Runnable() { 15206 public void run() { 15207 mHandler.removeCallbacks(this); 15208 final boolean succeeded; 15209 synchronized (mInstallLock) { 15210 succeeded = clearApplicationUserDataLI(packageName, userId); 15211 } 15212 clearExternalStorageDataSync(packageName, userId, true); 15213 if (succeeded) { 15214 // invoke DeviceStorageMonitor's update method to clear any notifications 15215 DeviceStorageMonitorInternal dsm = LocalServices 15216 .getService(DeviceStorageMonitorInternal.class); 15217 if (dsm != null) { 15218 dsm.checkMemory(); 15219 } 15220 } 15221 if(observer != null) { 15222 try { 15223 observer.onRemoveCompleted(packageName, succeeded); 15224 } catch (RemoteException e) { 15225 Log.i(TAG, "Observer no longer exists."); 15226 } 15227 } //end if observer 15228 } //end run 15229 }); 15230 } 15231 15232 private boolean clearApplicationUserDataLI(String packageName, int userId) { 15233 if (packageName == null) { 15234 Slog.w(TAG, "Attempt to delete null packageName."); 15235 return false; 15236 } 15237 15238 // Try finding details about the requested package 15239 PackageParser.Package pkg; 15240 synchronized (mPackages) { 15241 pkg = mPackages.get(packageName); 15242 if (pkg == null) { 15243 final PackageSetting ps = mSettings.mPackages.get(packageName); 15244 if (ps != null) { 15245 pkg = ps.pkg; 15246 } 15247 } 15248 15249 if (pkg == null) { 15250 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15251 return false; 15252 } 15253 15254 PackageSetting ps = (PackageSetting) pkg.mExtras; 15255 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15256 } 15257 15258 // Always delete data directories for package, even if we found no other 15259 // record of app. This helps users recover from UID mismatches without 15260 // resorting to a full data wipe. 15261 // TODO: triage flags as part of 26466827 15262 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15263 try { 15264 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 15265 } catch (InstallerException e) { 15266 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 15267 return false; 15268 } 15269 15270 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15271 removeKeystoreDataIfNeeded(userId, appId); 15272 15273 // Create a native library symlink only if we have native libraries 15274 // and if the native libraries are 32 bit libraries. We do not provide 15275 // this symlink for 64 bit libraries. 15276 if (pkg.applicationInfo.primaryCpuAbi != null && 15277 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 15278 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 15279 try { 15280 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 15281 nativeLibPath, userId); 15282 } catch (InstallerException e) { 15283 Slog.w(TAG, "Failed linking native library dir", e); 15284 return false; 15285 } 15286 } 15287 15288 return true; 15289 } 15290 15291 /** 15292 * Reverts user permission state changes (permissions and flags) in 15293 * all packages for a given user. 15294 * 15295 * @param userId The device user for which to do a reset. 15296 */ 15297 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15298 final int packageCount = mPackages.size(); 15299 for (int i = 0; i < packageCount; i++) { 15300 PackageParser.Package pkg = mPackages.valueAt(i); 15301 PackageSetting ps = (PackageSetting) pkg.mExtras; 15302 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15303 } 15304 } 15305 15306 /** 15307 * Reverts user permission state changes (permissions and flags). 15308 * 15309 * @param ps The package for which to reset. 15310 * @param userId The device user for which to do a reset. 15311 */ 15312 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15313 final PackageSetting ps, final int userId) { 15314 if (ps.pkg == null) { 15315 return; 15316 } 15317 15318 // These are flags that can change base on user actions. 15319 final int userSettableMask = FLAG_PERMISSION_USER_SET 15320 | FLAG_PERMISSION_USER_FIXED 15321 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15322 | FLAG_PERMISSION_REVIEW_REQUIRED; 15323 15324 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15325 | FLAG_PERMISSION_POLICY_FIXED; 15326 15327 boolean writeInstallPermissions = false; 15328 boolean writeRuntimePermissions = false; 15329 15330 final int permissionCount = ps.pkg.requestedPermissions.size(); 15331 for (int i = 0; i < permissionCount; i++) { 15332 String permission = ps.pkg.requestedPermissions.get(i); 15333 15334 BasePermission bp = mSettings.mPermissions.get(permission); 15335 if (bp == null) { 15336 continue; 15337 } 15338 15339 // If shared user we just reset the state to which only this app contributed. 15340 if (ps.sharedUser != null) { 15341 boolean used = false; 15342 final int packageCount = ps.sharedUser.packages.size(); 15343 for (int j = 0; j < packageCount; j++) { 15344 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15345 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15346 && pkg.pkg.requestedPermissions.contains(permission)) { 15347 used = true; 15348 break; 15349 } 15350 } 15351 if (used) { 15352 continue; 15353 } 15354 } 15355 15356 PermissionsState permissionsState = ps.getPermissionsState(); 15357 15358 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15359 15360 // Always clear the user settable flags. 15361 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15362 bp.name) != null; 15363 // If permission review is enabled and this is a legacy app, mark the 15364 // permission as requiring a review as this is the initial state. 15365 int flags = 0; 15366 if (Build.PERMISSIONS_REVIEW_REQUIRED 15367 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15368 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15369 } 15370 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15371 if (hasInstallState) { 15372 writeInstallPermissions = true; 15373 } else { 15374 writeRuntimePermissions = true; 15375 } 15376 } 15377 15378 // Below is only runtime permission handling. 15379 if (!bp.isRuntime()) { 15380 continue; 15381 } 15382 15383 // Never clobber system or policy. 15384 if ((oldFlags & policyOrSystemFlags) != 0) { 15385 continue; 15386 } 15387 15388 // If this permission was granted by default, make sure it is. 15389 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15390 if (permissionsState.grantRuntimePermission(bp, userId) 15391 != PERMISSION_OPERATION_FAILURE) { 15392 writeRuntimePermissions = true; 15393 } 15394 // If permission review is enabled the permissions for a legacy apps 15395 // are represented as constantly granted runtime ones, so don't revoke. 15396 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15397 // Otherwise, reset the permission. 15398 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15399 switch (revokeResult) { 15400 case PERMISSION_OPERATION_SUCCESS: { 15401 writeRuntimePermissions = true; 15402 } break; 15403 15404 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15405 writeRuntimePermissions = true; 15406 final int appId = ps.appId; 15407 mHandler.post(new Runnable() { 15408 @Override 15409 public void run() { 15410 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 15411 } 15412 }); 15413 } break; 15414 } 15415 } 15416 } 15417 15418 // Synchronously write as we are taking permissions away. 15419 if (writeRuntimePermissions) { 15420 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15421 } 15422 15423 // Synchronously write as we are taking permissions away. 15424 if (writeInstallPermissions) { 15425 mSettings.writeLPr(); 15426 } 15427 } 15428 15429 /** 15430 * Remove entries from the keystore daemon. Will only remove it if the 15431 * {@code appId} is valid. 15432 */ 15433 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15434 if (appId < 0) { 15435 return; 15436 } 15437 15438 final KeyStore keyStore = KeyStore.getInstance(); 15439 if (keyStore != null) { 15440 if (userId == UserHandle.USER_ALL) { 15441 for (final int individual : sUserManager.getUserIds()) { 15442 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15443 } 15444 } else { 15445 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15446 } 15447 } else { 15448 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15449 } 15450 } 15451 15452 @Override 15453 public void deleteApplicationCacheFiles(final String packageName, 15454 final IPackageDataObserver observer) { 15455 mContext.enforceCallingOrSelfPermission( 15456 android.Manifest.permission.DELETE_CACHE_FILES, null); 15457 // Queue up an async operation since the package deletion may take a little while. 15458 final int userId = UserHandle.getCallingUserId(); 15459 mHandler.post(new Runnable() { 15460 public void run() { 15461 mHandler.removeCallbacks(this); 15462 final boolean succeded; 15463 synchronized (mInstallLock) { 15464 succeded = deleteApplicationCacheFilesLI(packageName, userId); 15465 } 15466 clearExternalStorageDataSync(packageName, userId, false); 15467 if (observer != null) { 15468 try { 15469 observer.onRemoveCompleted(packageName, succeded); 15470 } catch (RemoteException e) { 15471 Log.i(TAG, "Observer no longer exists."); 15472 } 15473 } //end if observer 15474 } //end run 15475 }); 15476 } 15477 15478 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 15479 if (packageName == null) { 15480 Slog.w(TAG, "Attempt to delete null packageName."); 15481 return false; 15482 } 15483 PackageParser.Package p; 15484 synchronized (mPackages) { 15485 p = mPackages.get(packageName); 15486 } 15487 if (p == null) { 15488 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15489 return false; 15490 } 15491 final ApplicationInfo applicationInfo = p.applicationInfo; 15492 if (applicationInfo == null) { 15493 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15494 return false; 15495 } 15496 // TODO: triage flags as part of 26466827 15497 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15498 try { 15499 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 15500 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 15501 } catch (InstallerException e) { 15502 Slog.w(TAG, "Couldn't remove cache files for package " 15503 + packageName + " u" + userId, e); 15504 return false; 15505 } 15506 return true; 15507 } 15508 15509 @Override 15510 public void getPackageSizeInfo(final String packageName, int userHandle, 15511 final IPackageStatsObserver observer) { 15512 mContext.enforceCallingOrSelfPermission( 15513 android.Manifest.permission.GET_PACKAGE_SIZE, null); 15514 if (packageName == null) { 15515 throw new IllegalArgumentException("Attempt to get size of null packageName"); 15516 } 15517 15518 PackageStats stats = new PackageStats(packageName, userHandle); 15519 15520 /* 15521 * Queue up an async operation since the package measurement may take a 15522 * little while. 15523 */ 15524 Message msg = mHandler.obtainMessage(INIT_COPY); 15525 msg.obj = new MeasureParams(stats, observer); 15526 mHandler.sendMessage(msg); 15527 } 15528 15529 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 15530 PackageStats pStats) { 15531 if (packageName == null) { 15532 Slog.w(TAG, "Attempt to get size of null packageName."); 15533 return false; 15534 } 15535 PackageParser.Package p; 15536 boolean dataOnly = false; 15537 String libDirRoot = null; 15538 String asecPath = null; 15539 PackageSetting ps = null; 15540 synchronized (mPackages) { 15541 p = mPackages.get(packageName); 15542 ps = mSettings.mPackages.get(packageName); 15543 if(p == null) { 15544 dataOnly = true; 15545 if((ps == null) || (ps.pkg == null)) { 15546 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15547 return false; 15548 } 15549 p = ps.pkg; 15550 } 15551 if (ps != null) { 15552 libDirRoot = ps.legacyNativeLibraryPathString; 15553 } 15554 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 15555 final long token = Binder.clearCallingIdentity(); 15556 try { 15557 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 15558 if (secureContainerId != null) { 15559 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 15560 } 15561 } finally { 15562 Binder.restoreCallingIdentity(token); 15563 } 15564 } 15565 } 15566 String publicSrcDir = null; 15567 if(!dataOnly) { 15568 final ApplicationInfo applicationInfo = p.applicationInfo; 15569 if (applicationInfo == null) { 15570 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15571 return false; 15572 } 15573 if (p.isForwardLocked()) { 15574 publicSrcDir = applicationInfo.getBaseResourcePath(); 15575 } 15576 } 15577 // TODO: extend to measure size of split APKs 15578 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 15579 // not just the first level. 15580 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 15581 // just the primary. 15582 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 15583 15584 String apkPath; 15585 File packageDir = new File(p.codePath); 15586 15587 if (packageDir.isDirectory() && p.canHaveOatDir()) { 15588 apkPath = packageDir.getAbsolutePath(); 15589 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 15590 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 15591 libDirRoot = null; 15592 } 15593 } else { 15594 apkPath = p.baseCodePath; 15595 } 15596 15597 // TODO: triage flags as part of 26466827 15598 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15599 try { 15600 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 15601 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 15602 } catch (InstallerException e) { 15603 return false; 15604 } 15605 15606 // Fix-up for forward-locked applications in ASEC containers. 15607 if (!isExternal(p)) { 15608 pStats.codeSize += pStats.externalCodeSize; 15609 pStats.externalCodeSize = 0L; 15610 } 15611 15612 return true; 15613 } 15614 15615 private int getUidTargetSdkVersionLockedLPr(int uid) { 15616 Object obj = mSettings.getUserIdLPr(uid); 15617 if (obj instanceof SharedUserSetting) { 15618 final SharedUserSetting sus = (SharedUserSetting) obj; 15619 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 15620 final Iterator<PackageSetting> it = sus.packages.iterator(); 15621 while (it.hasNext()) { 15622 final PackageSetting ps = it.next(); 15623 if (ps.pkg != null) { 15624 int v = ps.pkg.applicationInfo.targetSdkVersion; 15625 if (v < vers) vers = v; 15626 } 15627 } 15628 return vers; 15629 } else if (obj instanceof PackageSetting) { 15630 final PackageSetting ps = (PackageSetting) obj; 15631 if (ps.pkg != null) { 15632 return ps.pkg.applicationInfo.targetSdkVersion; 15633 } 15634 } 15635 return Build.VERSION_CODES.CUR_DEVELOPMENT; 15636 } 15637 15638 @Override 15639 public void addPreferredActivity(IntentFilter filter, int match, 15640 ComponentName[] set, ComponentName activity, int userId) { 15641 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15642 "Adding preferred"); 15643 } 15644 15645 private void addPreferredActivityInternal(IntentFilter filter, int match, 15646 ComponentName[] set, ComponentName activity, boolean always, int userId, 15647 String opname) { 15648 // writer 15649 int callingUid = Binder.getCallingUid(); 15650 enforceCrossUserPermission(callingUid, userId, 15651 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 15652 if (filter.countActions() == 0) { 15653 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15654 return; 15655 } 15656 synchronized (mPackages) { 15657 if (mContext.checkCallingOrSelfPermission( 15658 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15659 != PackageManager.PERMISSION_GRANTED) { 15660 if (getUidTargetSdkVersionLockedLPr(callingUid) 15661 < Build.VERSION_CODES.FROYO) { 15662 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 15663 + callingUid); 15664 return; 15665 } 15666 mContext.enforceCallingOrSelfPermission( 15667 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15668 } 15669 15670 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 15671 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 15672 + userId + ":"); 15673 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15674 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 15675 scheduleWritePackageRestrictionsLocked(userId); 15676 } 15677 } 15678 15679 @Override 15680 public void replacePreferredActivity(IntentFilter filter, int match, 15681 ComponentName[] set, ComponentName activity, int userId) { 15682 if (filter.countActions() != 1) { 15683 throw new IllegalArgumentException( 15684 "replacePreferredActivity expects filter to have only 1 action."); 15685 } 15686 if (filter.countDataAuthorities() != 0 15687 || filter.countDataPaths() != 0 15688 || filter.countDataSchemes() > 1 15689 || filter.countDataTypes() != 0) { 15690 throw new IllegalArgumentException( 15691 "replacePreferredActivity expects filter to have no data authorities, " + 15692 "paths, or types; and at most one scheme."); 15693 } 15694 15695 final int callingUid = Binder.getCallingUid(); 15696 enforceCrossUserPermission(callingUid, userId, 15697 true /* requireFullPermission */, false /* checkShell */, 15698 "replace preferred activity"); 15699 synchronized (mPackages) { 15700 if (mContext.checkCallingOrSelfPermission( 15701 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15702 != PackageManager.PERMISSION_GRANTED) { 15703 if (getUidTargetSdkVersionLockedLPr(callingUid) 15704 < Build.VERSION_CODES.FROYO) { 15705 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 15706 + Binder.getCallingUid()); 15707 return; 15708 } 15709 mContext.enforceCallingOrSelfPermission( 15710 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15711 } 15712 15713 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15714 if (pir != null) { 15715 // Get all of the existing entries that exactly match this filter. 15716 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 15717 if (existing != null && existing.size() == 1) { 15718 PreferredActivity cur = existing.get(0); 15719 if (DEBUG_PREFERRED) { 15720 Slog.i(TAG, "Checking replace of preferred:"); 15721 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15722 if (!cur.mPref.mAlways) { 15723 Slog.i(TAG, " -- CUR; not mAlways!"); 15724 } else { 15725 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 15726 Slog.i(TAG, " -- CUR: mSet=" 15727 + Arrays.toString(cur.mPref.mSetComponents)); 15728 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 15729 Slog.i(TAG, " -- NEW: mMatch=" 15730 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 15731 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 15732 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 15733 } 15734 } 15735 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 15736 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 15737 && cur.mPref.sameSet(set)) { 15738 // Setting the preferred activity to what it happens to be already 15739 if (DEBUG_PREFERRED) { 15740 Slog.i(TAG, "Replacing with same preferred activity " 15741 + cur.mPref.mShortComponent + " for user " 15742 + userId + ":"); 15743 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15744 } 15745 return; 15746 } 15747 } 15748 15749 if (existing != null) { 15750 if (DEBUG_PREFERRED) { 15751 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 15752 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15753 } 15754 for (int i = 0; i < existing.size(); i++) { 15755 PreferredActivity pa = existing.get(i); 15756 if (DEBUG_PREFERRED) { 15757 Slog.i(TAG, "Removing existing preferred activity " 15758 + pa.mPref.mComponent + ":"); 15759 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 15760 } 15761 pir.removeFilter(pa); 15762 } 15763 } 15764 } 15765 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15766 "Replacing preferred"); 15767 } 15768 } 15769 15770 @Override 15771 public void clearPackagePreferredActivities(String packageName) { 15772 final int uid = Binder.getCallingUid(); 15773 // writer 15774 synchronized (mPackages) { 15775 PackageParser.Package pkg = mPackages.get(packageName); 15776 if (pkg == null || pkg.applicationInfo.uid != uid) { 15777 if (mContext.checkCallingOrSelfPermission( 15778 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15779 != PackageManager.PERMISSION_GRANTED) { 15780 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 15781 < Build.VERSION_CODES.FROYO) { 15782 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 15783 + Binder.getCallingUid()); 15784 return; 15785 } 15786 mContext.enforceCallingOrSelfPermission( 15787 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15788 } 15789 } 15790 15791 int user = UserHandle.getCallingUserId(); 15792 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 15793 scheduleWritePackageRestrictionsLocked(user); 15794 } 15795 } 15796 } 15797 15798 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15799 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 15800 ArrayList<PreferredActivity> removed = null; 15801 boolean changed = false; 15802 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15803 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 15804 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15805 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 15806 continue; 15807 } 15808 Iterator<PreferredActivity> it = pir.filterIterator(); 15809 while (it.hasNext()) { 15810 PreferredActivity pa = it.next(); 15811 // Mark entry for removal only if it matches the package name 15812 // and the entry is of type "always". 15813 if (packageName == null || 15814 (pa.mPref.mComponent.getPackageName().equals(packageName) 15815 && pa.mPref.mAlways)) { 15816 if (removed == null) { 15817 removed = new ArrayList<PreferredActivity>(); 15818 } 15819 removed.add(pa); 15820 } 15821 } 15822 if (removed != null) { 15823 for (int j=0; j<removed.size(); j++) { 15824 PreferredActivity pa = removed.get(j); 15825 pir.removeFilter(pa); 15826 } 15827 changed = true; 15828 } 15829 } 15830 return changed; 15831 } 15832 15833 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15834 private void clearIntentFilterVerificationsLPw(int userId) { 15835 final int packageCount = mPackages.size(); 15836 for (int i = 0; i < packageCount; i++) { 15837 PackageParser.Package pkg = mPackages.valueAt(i); 15838 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 15839 } 15840 } 15841 15842 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15843 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 15844 if (userId == UserHandle.USER_ALL) { 15845 if (mSettings.removeIntentFilterVerificationLPw(packageName, 15846 sUserManager.getUserIds())) { 15847 for (int oneUserId : sUserManager.getUserIds()) { 15848 scheduleWritePackageRestrictionsLocked(oneUserId); 15849 } 15850 } 15851 } else { 15852 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 15853 scheduleWritePackageRestrictionsLocked(userId); 15854 } 15855 } 15856 } 15857 15858 void clearDefaultBrowserIfNeeded(String packageName) { 15859 for (int oneUserId : sUserManager.getUserIds()) { 15860 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 15861 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 15862 if (packageName.equals(defaultBrowserPackageName)) { 15863 setDefaultBrowserPackageName(null, oneUserId); 15864 } 15865 } 15866 } 15867 15868 @Override 15869 public void resetApplicationPreferences(int userId) { 15870 mContext.enforceCallingOrSelfPermission( 15871 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15872 // writer 15873 synchronized (mPackages) { 15874 final long identity = Binder.clearCallingIdentity(); 15875 try { 15876 clearPackagePreferredActivitiesLPw(null, userId); 15877 mSettings.applyDefaultPreferredAppsLPw(this, userId); 15878 // TODO: We have to reset the default SMS and Phone. This requires 15879 // significant refactoring to keep all default apps in the package 15880 // manager (cleaner but more work) or have the services provide 15881 // callbacks to the package manager to request a default app reset. 15882 applyFactoryDefaultBrowserLPw(userId); 15883 clearIntentFilterVerificationsLPw(userId); 15884 primeDomainVerificationsLPw(userId); 15885 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 15886 scheduleWritePackageRestrictionsLocked(userId); 15887 } finally { 15888 Binder.restoreCallingIdentity(identity); 15889 } 15890 } 15891 } 15892 15893 @Override 15894 public int getPreferredActivities(List<IntentFilter> outFilters, 15895 List<ComponentName> outActivities, String packageName) { 15896 15897 int num = 0; 15898 final int userId = UserHandle.getCallingUserId(); 15899 // reader 15900 synchronized (mPackages) { 15901 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15902 if (pir != null) { 15903 final Iterator<PreferredActivity> it = pir.filterIterator(); 15904 while (it.hasNext()) { 15905 final PreferredActivity pa = it.next(); 15906 if (packageName == null 15907 || (pa.mPref.mComponent.getPackageName().equals(packageName) 15908 && pa.mPref.mAlways)) { 15909 if (outFilters != null) { 15910 outFilters.add(new IntentFilter(pa)); 15911 } 15912 if (outActivities != null) { 15913 outActivities.add(pa.mPref.mComponent); 15914 } 15915 } 15916 } 15917 } 15918 } 15919 15920 return num; 15921 } 15922 15923 @Override 15924 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 15925 int userId) { 15926 int callingUid = Binder.getCallingUid(); 15927 if (callingUid != Process.SYSTEM_UID) { 15928 throw new SecurityException( 15929 "addPersistentPreferredActivity can only be run by the system"); 15930 } 15931 if (filter.countActions() == 0) { 15932 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15933 return; 15934 } 15935 synchronized (mPackages) { 15936 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 15937 ":"); 15938 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15939 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 15940 new PersistentPreferredActivity(filter, activity)); 15941 scheduleWritePackageRestrictionsLocked(userId); 15942 } 15943 } 15944 15945 @Override 15946 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 15947 int callingUid = Binder.getCallingUid(); 15948 if (callingUid != Process.SYSTEM_UID) { 15949 throw new SecurityException( 15950 "clearPackagePersistentPreferredActivities can only be run by the system"); 15951 } 15952 ArrayList<PersistentPreferredActivity> removed = null; 15953 boolean changed = false; 15954 synchronized (mPackages) { 15955 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 15956 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 15957 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 15958 .valueAt(i); 15959 if (userId != thisUserId) { 15960 continue; 15961 } 15962 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 15963 while (it.hasNext()) { 15964 PersistentPreferredActivity ppa = it.next(); 15965 // Mark entry for removal only if it matches the package name. 15966 if (ppa.mComponent.getPackageName().equals(packageName)) { 15967 if (removed == null) { 15968 removed = new ArrayList<PersistentPreferredActivity>(); 15969 } 15970 removed.add(ppa); 15971 } 15972 } 15973 if (removed != null) { 15974 for (int j=0; j<removed.size(); j++) { 15975 PersistentPreferredActivity ppa = removed.get(j); 15976 ppir.removeFilter(ppa); 15977 } 15978 changed = true; 15979 } 15980 } 15981 15982 if (changed) { 15983 scheduleWritePackageRestrictionsLocked(userId); 15984 } 15985 } 15986 } 15987 15988 /** 15989 * Common machinery for picking apart a restored XML blob and passing 15990 * it to a caller-supplied functor to be applied to the running system. 15991 */ 15992 private void restoreFromXml(XmlPullParser parser, int userId, 15993 String expectedStartTag, BlobXmlRestorer functor) 15994 throws IOException, XmlPullParserException { 15995 int type; 15996 while ((type = parser.next()) != XmlPullParser.START_TAG 15997 && type != XmlPullParser.END_DOCUMENT) { 15998 } 15999 if (type != XmlPullParser.START_TAG) { 16000 // oops didn't find a start tag?! 16001 if (DEBUG_BACKUP) { 16002 Slog.e(TAG, "Didn't find start tag during restore"); 16003 } 16004 return; 16005 } 16006Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16007 // this is supposed to be TAG_PREFERRED_BACKUP 16008 if (!expectedStartTag.equals(parser.getName())) { 16009 if (DEBUG_BACKUP) { 16010 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16011 } 16012 return; 16013 } 16014 16015 // skip interfering stuff, then we're aligned with the backing implementation 16016 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16017Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16018 functor.apply(parser, userId); 16019 } 16020 16021 private interface BlobXmlRestorer { 16022 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16023 } 16024 16025 /** 16026 * Non-Binder method, support for the backup/restore mechanism: write the 16027 * full set of preferred activities in its canonical XML format. Returns the 16028 * XML output as a byte array, or null if there is none. 16029 */ 16030 @Override 16031 public byte[] getPreferredActivityBackup(int userId) { 16032 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16033 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16034 } 16035 16036 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16037 try { 16038 final XmlSerializer serializer = new FastXmlSerializer(); 16039 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16040 serializer.startDocument(null, true); 16041 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16042 16043 synchronized (mPackages) { 16044 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16045 } 16046 16047 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16048 serializer.endDocument(); 16049 serializer.flush(); 16050 } catch (Exception e) { 16051 if (DEBUG_BACKUP) { 16052 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16053 } 16054 return null; 16055 } 16056 16057 return dataStream.toByteArray(); 16058 } 16059 16060 @Override 16061 public void restorePreferredActivities(byte[] backup, int userId) { 16062 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16063 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16064 } 16065 16066 try { 16067 final XmlPullParser parser = Xml.newPullParser(); 16068 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16069 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16070 new BlobXmlRestorer() { 16071 @Override 16072 public void apply(XmlPullParser parser, int userId) 16073 throws XmlPullParserException, IOException { 16074 synchronized (mPackages) { 16075 mSettings.readPreferredActivitiesLPw(parser, userId); 16076 } 16077 } 16078 } ); 16079 } catch (Exception e) { 16080 if (DEBUG_BACKUP) { 16081 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16082 } 16083 } 16084 } 16085 16086 /** 16087 * Non-Binder method, support for the backup/restore mechanism: write the 16088 * default browser (etc) settings in its canonical XML format. Returns the default 16089 * browser XML representation as a byte array, or null if there is none. 16090 */ 16091 @Override 16092 public byte[] getDefaultAppsBackup(int userId) { 16093 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16094 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16095 } 16096 16097 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16098 try { 16099 final XmlSerializer serializer = new FastXmlSerializer(); 16100 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16101 serializer.startDocument(null, true); 16102 serializer.startTag(null, TAG_DEFAULT_APPS); 16103 16104 synchronized (mPackages) { 16105 mSettings.writeDefaultAppsLPr(serializer, userId); 16106 } 16107 16108 serializer.endTag(null, TAG_DEFAULT_APPS); 16109 serializer.endDocument(); 16110 serializer.flush(); 16111 } catch (Exception e) { 16112 if (DEBUG_BACKUP) { 16113 Slog.e(TAG, "Unable to write default apps for backup", e); 16114 } 16115 return null; 16116 } 16117 16118 return dataStream.toByteArray(); 16119 } 16120 16121 @Override 16122 public void restoreDefaultApps(byte[] backup, int userId) { 16123 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16124 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16125 } 16126 16127 try { 16128 final XmlPullParser parser = Xml.newPullParser(); 16129 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16130 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16131 new BlobXmlRestorer() { 16132 @Override 16133 public void apply(XmlPullParser parser, int userId) 16134 throws XmlPullParserException, IOException { 16135 synchronized (mPackages) { 16136 mSettings.readDefaultAppsLPw(parser, userId); 16137 } 16138 } 16139 } ); 16140 } catch (Exception e) { 16141 if (DEBUG_BACKUP) { 16142 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16143 } 16144 } 16145 } 16146 16147 @Override 16148 public byte[] getIntentFilterVerificationBackup(int userId) { 16149 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16150 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16151 } 16152 16153 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16154 try { 16155 final XmlSerializer serializer = new FastXmlSerializer(); 16156 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16157 serializer.startDocument(null, true); 16158 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16159 16160 synchronized (mPackages) { 16161 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16162 } 16163 16164 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16165 serializer.endDocument(); 16166 serializer.flush(); 16167 } catch (Exception e) { 16168 if (DEBUG_BACKUP) { 16169 Slog.e(TAG, "Unable to write default apps for backup", e); 16170 } 16171 return null; 16172 } 16173 16174 return dataStream.toByteArray(); 16175 } 16176 16177 @Override 16178 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16179 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16180 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16181 } 16182 16183 try { 16184 final XmlPullParser parser = Xml.newPullParser(); 16185 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16186 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16187 new BlobXmlRestorer() { 16188 @Override 16189 public void apply(XmlPullParser parser, int userId) 16190 throws XmlPullParserException, IOException { 16191 synchronized (mPackages) { 16192 mSettings.readAllDomainVerificationsLPr(parser, userId); 16193 mSettings.writeLPr(); 16194 } 16195 } 16196 } ); 16197 } catch (Exception e) { 16198 if (DEBUG_BACKUP) { 16199 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16200 } 16201 } 16202 } 16203 16204 @Override 16205 public byte[] getPermissionGrantBackup(int userId) { 16206 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16207 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16208 } 16209 16210 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16211 try { 16212 final XmlSerializer serializer = new FastXmlSerializer(); 16213 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16214 serializer.startDocument(null, true); 16215 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16216 16217 synchronized (mPackages) { 16218 serializeRuntimePermissionGrantsLPr(serializer, userId); 16219 } 16220 16221 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16222 serializer.endDocument(); 16223 serializer.flush(); 16224 } catch (Exception e) { 16225 if (DEBUG_BACKUP) { 16226 Slog.e(TAG, "Unable to write default apps for backup", e); 16227 } 16228 return null; 16229 } 16230 16231 return dataStream.toByteArray(); 16232 } 16233 16234 @Override 16235 public void restorePermissionGrants(byte[] backup, int userId) { 16236 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16237 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16238 } 16239 16240 try { 16241 final XmlPullParser parser = Xml.newPullParser(); 16242 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16243 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16244 new BlobXmlRestorer() { 16245 @Override 16246 public void apply(XmlPullParser parser, int userId) 16247 throws XmlPullParserException, IOException { 16248 synchronized (mPackages) { 16249 processRestoredPermissionGrantsLPr(parser, userId); 16250 } 16251 } 16252 } ); 16253 } catch (Exception e) { 16254 if (DEBUG_BACKUP) { 16255 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16256 } 16257 } 16258 } 16259 16260 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16261 throws IOException { 16262 serializer.startTag(null, TAG_ALL_GRANTS); 16263 16264 final int N = mSettings.mPackages.size(); 16265 for (int i = 0; i < N; i++) { 16266 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16267 boolean pkgGrantsKnown = false; 16268 16269 PermissionsState packagePerms = ps.getPermissionsState(); 16270 16271 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16272 final int grantFlags = state.getFlags(); 16273 // only look at grants that are not system/policy fixed 16274 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16275 final boolean isGranted = state.isGranted(); 16276 // And only back up the user-twiddled state bits 16277 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16278 final String packageName = mSettings.mPackages.keyAt(i); 16279 if (!pkgGrantsKnown) { 16280 serializer.startTag(null, TAG_GRANT); 16281 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16282 pkgGrantsKnown = true; 16283 } 16284 16285 final boolean userSet = 16286 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16287 final boolean userFixed = 16288 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16289 final boolean revoke = 16290 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16291 16292 serializer.startTag(null, TAG_PERMISSION); 16293 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16294 if (isGranted) { 16295 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16296 } 16297 if (userSet) { 16298 serializer.attribute(null, ATTR_USER_SET, "true"); 16299 } 16300 if (userFixed) { 16301 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16302 } 16303 if (revoke) { 16304 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16305 } 16306 serializer.endTag(null, TAG_PERMISSION); 16307 } 16308 } 16309 } 16310 16311 if (pkgGrantsKnown) { 16312 serializer.endTag(null, TAG_GRANT); 16313 } 16314 } 16315 16316 serializer.endTag(null, TAG_ALL_GRANTS); 16317 } 16318 16319 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16320 throws XmlPullParserException, IOException { 16321 String pkgName = null; 16322 int outerDepth = parser.getDepth(); 16323 int type; 16324 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16325 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16326 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16327 continue; 16328 } 16329 16330 final String tagName = parser.getName(); 16331 if (tagName.equals(TAG_GRANT)) { 16332 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16333 if (DEBUG_BACKUP) { 16334 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16335 } 16336 } else if (tagName.equals(TAG_PERMISSION)) { 16337 16338 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16339 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16340 16341 int newFlagSet = 0; 16342 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16343 newFlagSet |= FLAG_PERMISSION_USER_SET; 16344 } 16345 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16346 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16347 } 16348 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16349 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16350 } 16351 if (DEBUG_BACKUP) { 16352 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16353 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16354 } 16355 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16356 if (ps != null) { 16357 // Already installed so we apply the grant immediately 16358 if (DEBUG_BACKUP) { 16359 Slog.v(TAG, " + already installed; applying"); 16360 } 16361 PermissionsState perms = ps.getPermissionsState(); 16362 BasePermission bp = mSettings.mPermissions.get(permName); 16363 if (bp != null) { 16364 if (isGranted) { 16365 perms.grantRuntimePermission(bp, userId); 16366 } 16367 if (newFlagSet != 0) { 16368 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16369 } 16370 } 16371 } else { 16372 // Need to wait for post-restore install to apply the grant 16373 if (DEBUG_BACKUP) { 16374 Slog.v(TAG, " - not yet installed; saving for later"); 16375 } 16376 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16377 isGranted, newFlagSet, userId); 16378 } 16379 } else { 16380 PackageManagerService.reportSettingsProblem(Log.WARN, 16381 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16382 XmlUtils.skipCurrentTag(parser); 16383 } 16384 } 16385 16386 scheduleWriteSettingsLocked(); 16387 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16388 } 16389 16390 @Override 16391 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16392 int sourceUserId, int targetUserId, int flags) { 16393 mContext.enforceCallingOrSelfPermission( 16394 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16395 int callingUid = Binder.getCallingUid(); 16396 enforceOwnerRights(ownerPackage, callingUid); 16397 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16398 if (intentFilter.countActions() == 0) { 16399 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16400 return; 16401 } 16402 synchronized (mPackages) { 16403 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16404 ownerPackage, targetUserId, flags); 16405 CrossProfileIntentResolver resolver = 16406 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16407 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16408 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16409 if (existing != null) { 16410 int size = existing.size(); 16411 for (int i = 0; i < size; i++) { 16412 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16413 return; 16414 } 16415 } 16416 } 16417 resolver.addFilter(newFilter); 16418 scheduleWritePackageRestrictionsLocked(sourceUserId); 16419 } 16420 } 16421 16422 @Override 16423 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16424 mContext.enforceCallingOrSelfPermission( 16425 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16426 int callingUid = Binder.getCallingUid(); 16427 enforceOwnerRights(ownerPackage, callingUid); 16428 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16429 synchronized (mPackages) { 16430 CrossProfileIntentResolver resolver = 16431 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16432 ArraySet<CrossProfileIntentFilter> set = 16433 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16434 for (CrossProfileIntentFilter filter : set) { 16435 if (filter.getOwnerPackage().equals(ownerPackage)) { 16436 resolver.removeFilter(filter); 16437 } 16438 } 16439 scheduleWritePackageRestrictionsLocked(sourceUserId); 16440 } 16441 } 16442 16443 // Enforcing that callingUid is owning pkg on userId 16444 private void enforceOwnerRights(String pkg, int callingUid) { 16445 // The system owns everything. 16446 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16447 return; 16448 } 16449 int callingUserId = UserHandle.getUserId(callingUid); 16450 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16451 if (pi == null) { 16452 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16453 + callingUserId); 16454 } 16455 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16456 throw new SecurityException("Calling uid " + callingUid 16457 + " does not own package " + pkg); 16458 } 16459 } 16460 16461 @Override 16462 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16463 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 16464 } 16465 16466 private Intent getHomeIntent() { 16467 Intent intent = new Intent(Intent.ACTION_MAIN); 16468 intent.addCategory(Intent.CATEGORY_HOME); 16469 return intent; 16470 } 16471 16472 private IntentFilter getHomeFilter() { 16473 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 16474 filter.addCategory(Intent.CATEGORY_HOME); 16475 filter.addCategory(Intent.CATEGORY_DEFAULT); 16476 return filter; 16477 } 16478 16479 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 16480 int userId) { 16481 Intent intent = getHomeIntent(); 16482 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 16483 PackageManager.GET_META_DATA, userId); 16484 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16485 true, false, false, userId); 16486 16487 allHomeCandidates.clear(); 16488 if (list != null) { 16489 for (ResolveInfo ri : list) { 16490 allHomeCandidates.add(ri); 16491 } 16492 } 16493 return (preferred == null || preferred.activityInfo == null) 16494 ? null 16495 : new ComponentName(preferred.activityInfo.packageName, 16496 preferred.activityInfo.name); 16497 } 16498 16499 @Override 16500 public void setHomeActivity(ComponentName comp, int userId) { 16501 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 16502 getHomeActivitiesAsUser(homeActivities, userId); 16503 16504 boolean found = false; 16505 16506 final int size = homeActivities.size(); 16507 final ComponentName[] set = new ComponentName[size]; 16508 for (int i = 0; i < size; i++) { 16509 final ResolveInfo candidate = homeActivities.get(i); 16510 final ActivityInfo info = candidate.activityInfo; 16511 final ComponentName activityName = new ComponentName(info.packageName, info.name); 16512 set[i] = activityName; 16513 if (!found && activityName.equals(comp)) { 16514 found = true; 16515 } 16516 } 16517 if (!found) { 16518 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 16519 + userId); 16520 } 16521 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 16522 set, comp, userId); 16523 } 16524 16525 @Override 16526 public void setApplicationEnabledSetting(String appPackageName, 16527 int newState, int flags, int userId, String callingPackage) { 16528 if (!sUserManager.exists(userId)) return; 16529 if (callingPackage == null) { 16530 callingPackage = Integer.toString(Binder.getCallingUid()); 16531 } 16532 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 16533 } 16534 16535 @Override 16536 public void setComponentEnabledSetting(ComponentName componentName, 16537 int newState, int flags, int userId) { 16538 if (!sUserManager.exists(userId)) return; 16539 setEnabledSetting(componentName.getPackageName(), 16540 componentName.getClassName(), newState, flags, userId, null); 16541 } 16542 16543 private void setEnabledSetting(final String packageName, String className, int newState, 16544 final int flags, int userId, String callingPackage) { 16545 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 16546 || newState == COMPONENT_ENABLED_STATE_ENABLED 16547 || newState == COMPONENT_ENABLED_STATE_DISABLED 16548 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 16549 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 16550 throw new IllegalArgumentException("Invalid new component state: " 16551 + newState); 16552 } 16553 PackageSetting pkgSetting; 16554 final int uid = Binder.getCallingUid(); 16555 final int permission = mContext.checkCallingOrSelfPermission( 16556 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16557 enforceCrossUserPermission(uid, userId, 16558 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 16559 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16560 boolean sendNow = false; 16561 boolean isApp = (className == null); 16562 String componentName = isApp ? packageName : className; 16563 int packageUid = -1; 16564 ArrayList<String> components; 16565 16566 // writer 16567 synchronized (mPackages) { 16568 pkgSetting = mSettings.mPackages.get(packageName); 16569 if (pkgSetting == null) { 16570 if (className == null) { 16571 throw new IllegalArgumentException("Unknown package: " + packageName); 16572 } 16573 throw new IllegalArgumentException( 16574 "Unknown component: " + packageName + "/" + className); 16575 } 16576 // Allow root and verify that userId is not being specified by a different user 16577 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 16578 throw new SecurityException( 16579 "Permission Denial: attempt to change component state from pid=" 16580 + Binder.getCallingPid() 16581 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 16582 } 16583 if (className == null) { 16584 // We're dealing with an application/package level state change 16585 if (pkgSetting.getEnabled(userId) == newState) { 16586 // Nothing to do 16587 return; 16588 } 16589 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 16590 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 16591 // Don't care about who enables an app. 16592 callingPackage = null; 16593 } 16594 pkgSetting.setEnabled(newState, userId, callingPackage); 16595 // pkgSetting.pkg.mSetEnabled = newState; 16596 } else { 16597 // We're dealing with a component level state change 16598 // First, verify that this is a valid class name. 16599 PackageParser.Package pkg = pkgSetting.pkg; 16600 if (pkg == null || !pkg.hasComponentClassName(className)) { 16601 if (pkg != null && 16602 pkg.applicationInfo.targetSdkVersion >= 16603 Build.VERSION_CODES.JELLY_BEAN) { 16604 throw new IllegalArgumentException("Component class " + className 16605 + " does not exist in " + packageName); 16606 } else { 16607 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 16608 + className + " does not exist in " + packageName); 16609 } 16610 } 16611 switch (newState) { 16612 case COMPONENT_ENABLED_STATE_ENABLED: 16613 if (!pkgSetting.enableComponentLPw(className, userId)) { 16614 return; 16615 } 16616 break; 16617 case COMPONENT_ENABLED_STATE_DISABLED: 16618 if (!pkgSetting.disableComponentLPw(className, userId)) { 16619 return; 16620 } 16621 break; 16622 case COMPONENT_ENABLED_STATE_DEFAULT: 16623 if (!pkgSetting.restoreComponentLPw(className, userId)) { 16624 return; 16625 } 16626 break; 16627 default: 16628 Slog.e(TAG, "Invalid new component state: " + newState); 16629 return; 16630 } 16631 } 16632 scheduleWritePackageRestrictionsLocked(userId); 16633 components = mPendingBroadcasts.get(userId, packageName); 16634 final boolean newPackage = components == null; 16635 if (newPackage) { 16636 components = new ArrayList<String>(); 16637 } 16638 if (!components.contains(componentName)) { 16639 components.add(componentName); 16640 } 16641 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 16642 sendNow = true; 16643 // Purge entry from pending broadcast list if another one exists already 16644 // since we are sending one right away. 16645 mPendingBroadcasts.remove(userId, packageName); 16646 } else { 16647 if (newPackage) { 16648 mPendingBroadcasts.put(userId, packageName, components); 16649 } 16650 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 16651 // Schedule a message 16652 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 16653 } 16654 } 16655 } 16656 16657 long callingId = Binder.clearCallingIdentity(); 16658 try { 16659 if (sendNow) { 16660 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 16661 sendPackageChangedBroadcast(packageName, 16662 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 16663 } 16664 } finally { 16665 Binder.restoreCallingIdentity(callingId); 16666 } 16667 } 16668 16669 @Override 16670 public void flushPackageRestrictionsAsUser(int userId) { 16671 if (!sUserManager.exists(userId)) { 16672 return; 16673 } 16674 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 16675 false /* checkShell */, "flushPackageRestrictions"); 16676 synchronized (mPackages) { 16677 mSettings.writePackageRestrictionsLPr(userId); 16678 mDirtyUsers.remove(userId); 16679 if (mDirtyUsers.isEmpty()) { 16680 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 16681 } 16682 } 16683 } 16684 16685 private void sendPackageChangedBroadcast(String packageName, 16686 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 16687 if (DEBUG_INSTALL) 16688 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 16689 + componentNames); 16690 Bundle extras = new Bundle(4); 16691 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 16692 String nameList[] = new String[componentNames.size()]; 16693 componentNames.toArray(nameList); 16694 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 16695 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 16696 extras.putInt(Intent.EXTRA_UID, packageUid); 16697 // If this is not reporting a change of the overall package, then only send it 16698 // to registered receivers. We don't want to launch a swath of apps for every 16699 // little component state change. 16700 final int flags = !componentNames.contains(packageName) 16701 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 16702 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 16703 new int[] {UserHandle.getUserId(packageUid)}); 16704 } 16705 16706 @Override 16707 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 16708 if (!sUserManager.exists(userId)) return; 16709 final int uid = Binder.getCallingUid(); 16710 final int permission = mContext.checkCallingOrSelfPermission( 16711 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16712 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16713 enforceCrossUserPermission(uid, userId, 16714 true /* requireFullPermission */, true /* checkShell */, "stop package"); 16715 // writer 16716 synchronized (mPackages) { 16717 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 16718 allowedByPermission, uid, userId)) { 16719 scheduleWritePackageRestrictionsLocked(userId); 16720 } 16721 } 16722 } 16723 16724 @Override 16725 public String getInstallerPackageName(String packageName) { 16726 // reader 16727 synchronized (mPackages) { 16728 return mSettings.getInstallerPackageNameLPr(packageName); 16729 } 16730 } 16731 16732 @Override 16733 public int getApplicationEnabledSetting(String packageName, int userId) { 16734 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16735 int uid = Binder.getCallingUid(); 16736 enforceCrossUserPermission(uid, userId, 16737 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 16738 // reader 16739 synchronized (mPackages) { 16740 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 16741 } 16742 } 16743 16744 @Override 16745 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 16746 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16747 int uid = Binder.getCallingUid(); 16748 enforceCrossUserPermission(uid, userId, 16749 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 16750 // reader 16751 synchronized (mPackages) { 16752 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 16753 } 16754 } 16755 16756 @Override 16757 public void enterSafeMode() { 16758 enforceSystemOrRoot("Only the system can request entering safe mode"); 16759 16760 if (!mSystemReady) { 16761 mSafeMode = true; 16762 } 16763 } 16764 16765 @Override 16766 public void systemReady() { 16767 mSystemReady = true; 16768 16769 // Read the compatibilty setting when the system is ready. 16770 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 16771 mContext.getContentResolver(), 16772 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 16773 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 16774 if (DEBUG_SETTINGS) { 16775 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 16776 } 16777 16778 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 16779 16780 synchronized (mPackages) { 16781 // Verify that all of the preferred activity components actually 16782 // exist. It is possible for applications to be updated and at 16783 // that point remove a previously declared activity component that 16784 // had been set as a preferred activity. We try to clean this up 16785 // the next time we encounter that preferred activity, but it is 16786 // possible for the user flow to never be able to return to that 16787 // situation so here we do a sanity check to make sure we haven't 16788 // left any junk around. 16789 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 16790 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16791 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16792 removed.clear(); 16793 for (PreferredActivity pa : pir.filterSet()) { 16794 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 16795 removed.add(pa); 16796 } 16797 } 16798 if (removed.size() > 0) { 16799 for (int r=0; r<removed.size(); r++) { 16800 PreferredActivity pa = removed.get(r); 16801 Slog.w(TAG, "Removing dangling preferred activity: " 16802 + pa.mPref.mComponent); 16803 pir.removeFilter(pa); 16804 } 16805 mSettings.writePackageRestrictionsLPr( 16806 mSettings.mPreferredActivities.keyAt(i)); 16807 } 16808 } 16809 16810 for (int userId : UserManagerService.getInstance().getUserIds()) { 16811 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 16812 grantPermissionsUserIds = ArrayUtils.appendInt( 16813 grantPermissionsUserIds, userId); 16814 } 16815 } 16816 } 16817 sUserManager.systemReady(); 16818 16819 // If we upgraded grant all default permissions before kicking off. 16820 for (int userId : grantPermissionsUserIds) { 16821 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 16822 } 16823 16824 // Kick off any messages waiting for system ready 16825 if (mPostSystemReadyMessages != null) { 16826 for (Message msg : mPostSystemReadyMessages) { 16827 msg.sendToTarget(); 16828 } 16829 mPostSystemReadyMessages = null; 16830 } 16831 16832 // Watch for external volumes that come and go over time 16833 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16834 storage.registerListener(mStorageListener); 16835 16836 mInstallerService.systemReady(); 16837 mPackageDexOptimizer.systemReady(); 16838 16839 MountServiceInternal mountServiceInternal = LocalServices.getService( 16840 MountServiceInternal.class); 16841 mountServiceInternal.addExternalStoragePolicy( 16842 new MountServiceInternal.ExternalStorageMountPolicy() { 16843 @Override 16844 public int getMountMode(int uid, String packageName) { 16845 if (Process.isIsolated(uid)) { 16846 return Zygote.MOUNT_EXTERNAL_NONE; 16847 } 16848 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 16849 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16850 } 16851 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16852 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16853 } 16854 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16855 return Zygote.MOUNT_EXTERNAL_READ; 16856 } 16857 return Zygote.MOUNT_EXTERNAL_WRITE; 16858 } 16859 16860 @Override 16861 public boolean hasExternalStorage(int uid, String packageName) { 16862 return true; 16863 } 16864 }); 16865 } 16866 16867 @Override 16868 public boolean isSafeMode() { 16869 return mSafeMode; 16870 } 16871 16872 @Override 16873 public boolean hasSystemUidErrors() { 16874 return mHasSystemUidErrors; 16875 } 16876 16877 static String arrayToString(int[] array) { 16878 StringBuffer buf = new StringBuffer(128); 16879 buf.append('['); 16880 if (array != null) { 16881 for (int i=0; i<array.length; i++) { 16882 if (i > 0) buf.append(", "); 16883 buf.append(array[i]); 16884 } 16885 } 16886 buf.append(']'); 16887 return buf.toString(); 16888 } 16889 16890 static class DumpState { 16891 public static final int DUMP_LIBS = 1 << 0; 16892 public static final int DUMP_FEATURES = 1 << 1; 16893 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 16894 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 16895 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 16896 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 16897 public static final int DUMP_PERMISSIONS = 1 << 6; 16898 public static final int DUMP_PACKAGES = 1 << 7; 16899 public static final int DUMP_SHARED_USERS = 1 << 8; 16900 public static final int DUMP_MESSAGES = 1 << 9; 16901 public static final int DUMP_PROVIDERS = 1 << 10; 16902 public static final int DUMP_VERIFIERS = 1 << 11; 16903 public static final int DUMP_PREFERRED = 1 << 12; 16904 public static final int DUMP_PREFERRED_XML = 1 << 13; 16905 public static final int DUMP_KEYSETS = 1 << 14; 16906 public static final int DUMP_VERSION = 1 << 15; 16907 public static final int DUMP_INSTALLS = 1 << 16; 16908 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 16909 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 16910 16911 public static final int OPTION_SHOW_FILTERS = 1 << 0; 16912 16913 private int mTypes; 16914 16915 private int mOptions; 16916 16917 private boolean mTitlePrinted; 16918 16919 private SharedUserSetting mSharedUser; 16920 16921 public boolean isDumping(int type) { 16922 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 16923 return true; 16924 } 16925 16926 return (mTypes & type) != 0; 16927 } 16928 16929 public void setDump(int type) { 16930 mTypes |= type; 16931 } 16932 16933 public boolean isOptionEnabled(int option) { 16934 return (mOptions & option) != 0; 16935 } 16936 16937 public void setOptionEnabled(int option) { 16938 mOptions |= option; 16939 } 16940 16941 public boolean onTitlePrinted() { 16942 final boolean printed = mTitlePrinted; 16943 mTitlePrinted = true; 16944 return printed; 16945 } 16946 16947 public boolean getTitlePrinted() { 16948 return mTitlePrinted; 16949 } 16950 16951 public void setTitlePrinted(boolean enabled) { 16952 mTitlePrinted = enabled; 16953 } 16954 16955 public SharedUserSetting getSharedUser() { 16956 return mSharedUser; 16957 } 16958 16959 public void setSharedUser(SharedUserSetting user) { 16960 mSharedUser = user; 16961 } 16962 } 16963 16964 @Override 16965 public void onShellCommand(FileDescriptor in, FileDescriptor out, 16966 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 16967 (new PackageManagerShellCommand(this)).exec( 16968 this, in, out, err, args, resultReceiver); 16969 } 16970 16971 @Override 16972 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 16973 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 16974 != PackageManager.PERMISSION_GRANTED) { 16975 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 16976 + Binder.getCallingPid() 16977 + ", uid=" + Binder.getCallingUid() 16978 + " without permission " 16979 + android.Manifest.permission.DUMP); 16980 return; 16981 } 16982 16983 DumpState dumpState = new DumpState(); 16984 boolean fullPreferred = false; 16985 boolean checkin = false; 16986 16987 String packageName = null; 16988 ArraySet<String> permissionNames = null; 16989 16990 int opti = 0; 16991 while (opti < args.length) { 16992 String opt = args[opti]; 16993 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 16994 break; 16995 } 16996 opti++; 16997 16998 if ("-a".equals(opt)) { 16999 // Right now we only know how to print all. 17000 } else if ("-h".equals(opt)) { 17001 pw.println("Package manager dump options:"); 17002 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17003 pw.println(" --checkin: dump for a checkin"); 17004 pw.println(" -f: print details of intent filters"); 17005 pw.println(" -h: print this help"); 17006 pw.println(" cmd may be one of:"); 17007 pw.println(" l[ibraries]: list known shared libraries"); 17008 pw.println(" f[eatures]: list device features"); 17009 pw.println(" k[eysets]: print known keysets"); 17010 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17011 pw.println(" perm[issions]: dump permissions"); 17012 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17013 pw.println(" pref[erred]: print preferred package settings"); 17014 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17015 pw.println(" prov[iders]: dump content providers"); 17016 pw.println(" p[ackages]: dump installed packages"); 17017 pw.println(" s[hared-users]: dump shared user IDs"); 17018 pw.println(" m[essages]: print collected runtime messages"); 17019 pw.println(" v[erifiers]: print package verifier info"); 17020 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17021 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17022 pw.println(" version: print database version info"); 17023 pw.println(" write: write current settings now"); 17024 pw.println(" installs: details about install sessions"); 17025 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17026 pw.println(" <package.name>: info about given package"); 17027 return; 17028 } else if ("--checkin".equals(opt)) { 17029 checkin = true; 17030 } else if ("-f".equals(opt)) { 17031 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17032 } else { 17033 pw.println("Unknown argument: " + opt + "; use -h for help"); 17034 } 17035 } 17036 17037 // Is the caller requesting to dump a particular piece of data? 17038 if (opti < args.length) { 17039 String cmd = args[opti]; 17040 opti++; 17041 // Is this a package name? 17042 if ("android".equals(cmd) || cmd.contains(".")) { 17043 packageName = cmd; 17044 // When dumping a single package, we always dump all of its 17045 // filter information since the amount of data will be reasonable. 17046 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17047 } else if ("check-permission".equals(cmd)) { 17048 if (opti >= args.length) { 17049 pw.println("Error: check-permission missing permission argument"); 17050 return; 17051 } 17052 String perm = args[opti]; 17053 opti++; 17054 if (opti >= args.length) { 17055 pw.println("Error: check-permission missing package argument"); 17056 return; 17057 } 17058 String pkg = args[opti]; 17059 opti++; 17060 int user = UserHandle.getUserId(Binder.getCallingUid()); 17061 if (opti < args.length) { 17062 try { 17063 user = Integer.parseInt(args[opti]); 17064 } catch (NumberFormatException e) { 17065 pw.println("Error: check-permission user argument is not a number: " 17066 + args[opti]); 17067 return; 17068 } 17069 } 17070 pw.println(checkPermission(perm, pkg, user)); 17071 return; 17072 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17073 dumpState.setDump(DumpState.DUMP_LIBS); 17074 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17075 dumpState.setDump(DumpState.DUMP_FEATURES); 17076 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17077 if (opti >= args.length) { 17078 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17079 | DumpState.DUMP_SERVICE_RESOLVERS 17080 | DumpState.DUMP_RECEIVER_RESOLVERS 17081 | DumpState.DUMP_CONTENT_RESOLVERS); 17082 } else { 17083 while (opti < args.length) { 17084 String name = args[opti]; 17085 if ("a".equals(name) || "activity".equals(name)) { 17086 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17087 } else if ("s".equals(name) || "service".equals(name)) { 17088 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17089 } else if ("r".equals(name) || "receiver".equals(name)) { 17090 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17091 } else if ("c".equals(name) || "content".equals(name)) { 17092 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17093 } else { 17094 pw.println("Error: unknown resolver table type: " + name); 17095 return; 17096 } 17097 opti++; 17098 } 17099 } 17100 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17101 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17102 } else if ("permission".equals(cmd)) { 17103 if (opti >= args.length) { 17104 pw.println("Error: permission requires permission name"); 17105 return; 17106 } 17107 permissionNames = new ArraySet<>(); 17108 while (opti < args.length) { 17109 permissionNames.add(args[opti]); 17110 opti++; 17111 } 17112 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17113 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17114 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17115 dumpState.setDump(DumpState.DUMP_PREFERRED); 17116 } else if ("preferred-xml".equals(cmd)) { 17117 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17118 if (opti < args.length && "--full".equals(args[opti])) { 17119 fullPreferred = true; 17120 opti++; 17121 } 17122 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17123 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17124 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17125 dumpState.setDump(DumpState.DUMP_PACKAGES); 17126 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17127 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17128 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17129 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17130 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17131 dumpState.setDump(DumpState.DUMP_MESSAGES); 17132 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17133 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17134 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17135 || "intent-filter-verifiers".equals(cmd)) { 17136 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17137 } else if ("version".equals(cmd)) { 17138 dumpState.setDump(DumpState.DUMP_VERSION); 17139 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17140 dumpState.setDump(DumpState.DUMP_KEYSETS); 17141 } else if ("installs".equals(cmd)) { 17142 dumpState.setDump(DumpState.DUMP_INSTALLS); 17143 } else if ("write".equals(cmd)) { 17144 synchronized (mPackages) { 17145 mSettings.writeLPr(); 17146 pw.println("Settings written."); 17147 return; 17148 } 17149 } 17150 } 17151 17152 if (checkin) { 17153 pw.println("vers,1"); 17154 } 17155 17156 // reader 17157 synchronized (mPackages) { 17158 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17159 if (!checkin) { 17160 if (dumpState.onTitlePrinted()) 17161 pw.println(); 17162 pw.println("Database versions:"); 17163 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17164 } 17165 } 17166 17167 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17168 if (!checkin) { 17169 if (dumpState.onTitlePrinted()) 17170 pw.println(); 17171 pw.println("Verifiers:"); 17172 pw.print(" Required: "); 17173 pw.print(mRequiredVerifierPackage); 17174 pw.print(" (uid="); 17175 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17176 UserHandle.USER_SYSTEM)); 17177 pw.println(")"); 17178 } else if (mRequiredVerifierPackage != null) { 17179 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17180 pw.print(","); 17181 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17182 UserHandle.USER_SYSTEM)); 17183 } 17184 } 17185 17186 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17187 packageName == null) { 17188 if (mIntentFilterVerifierComponent != null) { 17189 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17190 if (!checkin) { 17191 if (dumpState.onTitlePrinted()) 17192 pw.println(); 17193 pw.println("Intent Filter Verifier:"); 17194 pw.print(" Using: "); 17195 pw.print(verifierPackageName); 17196 pw.print(" (uid="); 17197 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17198 UserHandle.USER_SYSTEM)); 17199 pw.println(")"); 17200 } else if (verifierPackageName != null) { 17201 pw.print("ifv,"); pw.print(verifierPackageName); 17202 pw.print(","); 17203 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17204 UserHandle.USER_SYSTEM)); 17205 } 17206 } else { 17207 pw.println(); 17208 pw.println("No Intent Filter Verifier available!"); 17209 } 17210 } 17211 17212 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17213 boolean printedHeader = false; 17214 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17215 while (it.hasNext()) { 17216 String name = it.next(); 17217 SharedLibraryEntry ent = mSharedLibraries.get(name); 17218 if (!checkin) { 17219 if (!printedHeader) { 17220 if (dumpState.onTitlePrinted()) 17221 pw.println(); 17222 pw.println("Libraries:"); 17223 printedHeader = true; 17224 } 17225 pw.print(" "); 17226 } else { 17227 pw.print("lib,"); 17228 } 17229 pw.print(name); 17230 if (!checkin) { 17231 pw.print(" -> "); 17232 } 17233 if (ent.path != null) { 17234 if (!checkin) { 17235 pw.print("(jar) "); 17236 pw.print(ent.path); 17237 } else { 17238 pw.print(",jar,"); 17239 pw.print(ent.path); 17240 } 17241 } else { 17242 if (!checkin) { 17243 pw.print("(apk) "); 17244 pw.print(ent.apk); 17245 } else { 17246 pw.print(",apk,"); 17247 pw.print(ent.apk); 17248 } 17249 } 17250 pw.println(); 17251 } 17252 } 17253 17254 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17255 if (dumpState.onTitlePrinted()) 17256 pw.println(); 17257 if (!checkin) { 17258 pw.println("Features:"); 17259 } 17260 17261 for (FeatureInfo feat : mAvailableFeatures.values()) { 17262 if (checkin) { 17263 pw.print("feat,"); 17264 pw.print(feat.name); 17265 pw.print(","); 17266 pw.println(feat.version); 17267 } else { 17268 pw.print(" "); 17269 pw.print(feat.name); 17270 if (feat.version > 0) { 17271 pw.print(" version="); 17272 pw.print(feat.version); 17273 } 17274 pw.println(); 17275 } 17276 } 17277 } 17278 17279 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17280 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17281 : "Activity Resolver Table:", " ", packageName, 17282 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17283 dumpState.setTitlePrinted(true); 17284 } 17285 } 17286 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17287 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17288 : "Receiver Resolver Table:", " ", packageName, 17289 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17290 dumpState.setTitlePrinted(true); 17291 } 17292 } 17293 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17294 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17295 : "Service Resolver Table:", " ", packageName, 17296 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17297 dumpState.setTitlePrinted(true); 17298 } 17299 } 17300 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17301 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17302 : "Provider Resolver Table:", " ", packageName, 17303 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17304 dumpState.setTitlePrinted(true); 17305 } 17306 } 17307 17308 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17309 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17310 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17311 int user = mSettings.mPreferredActivities.keyAt(i); 17312 if (pir.dump(pw, 17313 dumpState.getTitlePrinted() 17314 ? "\nPreferred Activities User " + user + ":" 17315 : "Preferred Activities User " + user + ":", " ", 17316 packageName, true, false)) { 17317 dumpState.setTitlePrinted(true); 17318 } 17319 } 17320 } 17321 17322 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17323 pw.flush(); 17324 FileOutputStream fout = new FileOutputStream(fd); 17325 BufferedOutputStream str = new BufferedOutputStream(fout); 17326 XmlSerializer serializer = new FastXmlSerializer(); 17327 try { 17328 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17329 serializer.startDocument(null, true); 17330 serializer.setFeature( 17331 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17332 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17333 serializer.endDocument(); 17334 serializer.flush(); 17335 } catch (IllegalArgumentException e) { 17336 pw.println("Failed writing: " + e); 17337 } catch (IllegalStateException e) { 17338 pw.println("Failed writing: " + e); 17339 } catch (IOException e) { 17340 pw.println("Failed writing: " + e); 17341 } 17342 } 17343 17344 if (!checkin 17345 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17346 && packageName == null) { 17347 pw.println(); 17348 int count = mSettings.mPackages.size(); 17349 if (count == 0) { 17350 pw.println("No applications!"); 17351 pw.println(); 17352 } else { 17353 final String prefix = " "; 17354 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17355 if (allPackageSettings.size() == 0) { 17356 pw.println("No domain preferred apps!"); 17357 pw.println(); 17358 } else { 17359 pw.println("App verification status:"); 17360 pw.println(); 17361 count = 0; 17362 for (PackageSetting ps : allPackageSettings) { 17363 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17364 if (ivi == null || ivi.getPackageName() == null) continue; 17365 pw.println(prefix + "Package: " + ivi.getPackageName()); 17366 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17367 pw.println(prefix + "Status: " + ivi.getStatusString()); 17368 pw.println(); 17369 count++; 17370 } 17371 if (count == 0) { 17372 pw.println(prefix + "No app verification established."); 17373 pw.println(); 17374 } 17375 for (int userId : sUserManager.getUserIds()) { 17376 pw.println("App linkages for user " + userId + ":"); 17377 pw.println(); 17378 count = 0; 17379 for (PackageSetting ps : allPackageSettings) { 17380 final long status = ps.getDomainVerificationStatusForUser(userId); 17381 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17382 continue; 17383 } 17384 pw.println(prefix + "Package: " + ps.name); 17385 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17386 String statusStr = IntentFilterVerificationInfo. 17387 getStatusStringFromValue(status); 17388 pw.println(prefix + "Status: " + statusStr); 17389 pw.println(); 17390 count++; 17391 } 17392 if (count == 0) { 17393 pw.println(prefix + "No configured app linkages."); 17394 pw.println(); 17395 } 17396 } 17397 } 17398 } 17399 } 17400 17401 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17402 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17403 if (packageName == null && permissionNames == null) { 17404 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17405 if (iperm == 0) { 17406 if (dumpState.onTitlePrinted()) 17407 pw.println(); 17408 pw.println("AppOp Permissions:"); 17409 } 17410 pw.print(" AppOp Permission "); 17411 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17412 pw.println(":"); 17413 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17414 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17415 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17416 } 17417 } 17418 } 17419 } 17420 17421 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17422 boolean printedSomething = false; 17423 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17424 if (packageName != null && !packageName.equals(p.info.packageName)) { 17425 continue; 17426 } 17427 if (!printedSomething) { 17428 if (dumpState.onTitlePrinted()) 17429 pw.println(); 17430 pw.println("Registered ContentProviders:"); 17431 printedSomething = true; 17432 } 17433 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17434 pw.print(" "); pw.println(p.toString()); 17435 } 17436 printedSomething = false; 17437 for (Map.Entry<String, PackageParser.Provider> entry : 17438 mProvidersByAuthority.entrySet()) { 17439 PackageParser.Provider p = entry.getValue(); 17440 if (packageName != null && !packageName.equals(p.info.packageName)) { 17441 continue; 17442 } 17443 if (!printedSomething) { 17444 if (dumpState.onTitlePrinted()) 17445 pw.println(); 17446 pw.println("ContentProvider Authorities:"); 17447 printedSomething = true; 17448 } 17449 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17450 pw.print(" "); pw.println(p.toString()); 17451 if (p.info != null && p.info.applicationInfo != null) { 17452 final String appInfo = p.info.applicationInfo.toString(); 17453 pw.print(" applicationInfo="); pw.println(appInfo); 17454 } 17455 } 17456 } 17457 17458 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17459 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17460 } 17461 17462 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17463 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17464 } 17465 17466 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17467 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17468 } 17469 17470 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17471 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17472 } 17473 17474 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17475 // XXX should handle packageName != null by dumping only install data that 17476 // the given package is involved with. 17477 if (dumpState.onTitlePrinted()) pw.println(); 17478 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17479 } 17480 17481 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17482 if (dumpState.onTitlePrinted()) pw.println(); 17483 mSettings.dumpReadMessagesLPr(pw, dumpState); 17484 17485 pw.println(); 17486 pw.println("Package warning messages:"); 17487 BufferedReader in = null; 17488 String line = null; 17489 try { 17490 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17491 while ((line = in.readLine()) != null) { 17492 if (line.contains("ignored: updated version")) continue; 17493 pw.println(line); 17494 } 17495 } catch (IOException ignored) { 17496 } finally { 17497 IoUtils.closeQuietly(in); 17498 } 17499 } 17500 17501 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 17502 BufferedReader in = null; 17503 String line = null; 17504 try { 17505 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17506 while ((line = in.readLine()) != null) { 17507 if (line.contains("ignored: updated version")) continue; 17508 pw.print("msg,"); 17509 pw.println(line); 17510 } 17511 } catch (IOException ignored) { 17512 } finally { 17513 IoUtils.closeQuietly(in); 17514 } 17515 } 17516 } 17517 } 17518 17519 private String dumpDomainString(String packageName) { 17520 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 17521 .getList(); 17522 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 17523 17524 ArraySet<String> result = new ArraySet<>(); 17525 if (iviList.size() > 0) { 17526 for (IntentFilterVerificationInfo ivi : iviList) { 17527 for (String host : ivi.getDomains()) { 17528 result.add(host); 17529 } 17530 } 17531 } 17532 if (filters != null && filters.size() > 0) { 17533 for (IntentFilter filter : filters) { 17534 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 17535 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 17536 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 17537 result.addAll(filter.getHostsList()); 17538 } 17539 } 17540 } 17541 17542 StringBuilder sb = new StringBuilder(result.size() * 16); 17543 for (String domain : result) { 17544 if (sb.length() > 0) sb.append(" "); 17545 sb.append(domain); 17546 } 17547 return sb.toString(); 17548 } 17549 17550 // ------- apps on sdcard specific code ------- 17551 static final boolean DEBUG_SD_INSTALL = false; 17552 17553 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 17554 17555 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 17556 17557 private boolean mMediaMounted = false; 17558 17559 static String getEncryptKey() { 17560 try { 17561 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 17562 SD_ENCRYPTION_KEYSTORE_NAME); 17563 if (sdEncKey == null) { 17564 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 17565 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 17566 if (sdEncKey == null) { 17567 Slog.e(TAG, "Failed to create encryption keys"); 17568 return null; 17569 } 17570 } 17571 return sdEncKey; 17572 } catch (NoSuchAlgorithmException nsae) { 17573 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 17574 return null; 17575 } catch (IOException ioe) { 17576 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 17577 return null; 17578 } 17579 } 17580 17581 /* 17582 * Update media status on PackageManager. 17583 */ 17584 @Override 17585 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 17586 int callingUid = Binder.getCallingUid(); 17587 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 17588 throw new SecurityException("Media status can only be updated by the system"); 17589 } 17590 // reader; this apparently protects mMediaMounted, but should probably 17591 // be a different lock in that case. 17592 synchronized (mPackages) { 17593 Log.i(TAG, "Updating external media status from " 17594 + (mMediaMounted ? "mounted" : "unmounted") + " to " 17595 + (mediaStatus ? "mounted" : "unmounted")); 17596 if (DEBUG_SD_INSTALL) 17597 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 17598 + ", mMediaMounted=" + mMediaMounted); 17599 if (mediaStatus == mMediaMounted) { 17600 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 17601 : 0, -1); 17602 mHandler.sendMessage(msg); 17603 return; 17604 } 17605 mMediaMounted = mediaStatus; 17606 } 17607 // Queue up an async operation since the package installation may take a 17608 // little while. 17609 mHandler.post(new Runnable() { 17610 public void run() { 17611 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 17612 } 17613 }); 17614 } 17615 17616 /** 17617 * Called by MountService when the initial ASECs to scan are available. 17618 * Should block until all the ASEC containers are finished being scanned. 17619 */ 17620 public void scanAvailableAsecs() { 17621 updateExternalMediaStatusInner(true, false, false); 17622 } 17623 17624 /* 17625 * Collect information of applications on external media, map them against 17626 * existing containers and update information based on current mount status. 17627 * Please note that we always have to report status if reportStatus has been 17628 * set to true especially when unloading packages. 17629 */ 17630 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 17631 boolean externalStorage) { 17632 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 17633 int[] uidArr = EmptyArray.INT; 17634 17635 final String[] list = PackageHelper.getSecureContainerList(); 17636 if (ArrayUtils.isEmpty(list)) { 17637 Log.i(TAG, "No secure containers found"); 17638 } else { 17639 // Process list of secure containers and categorize them 17640 // as active or stale based on their package internal state. 17641 17642 // reader 17643 synchronized (mPackages) { 17644 for (String cid : list) { 17645 // Leave stages untouched for now; installer service owns them 17646 if (PackageInstallerService.isStageName(cid)) continue; 17647 17648 if (DEBUG_SD_INSTALL) 17649 Log.i(TAG, "Processing container " + cid); 17650 String pkgName = getAsecPackageName(cid); 17651 if (pkgName == null) { 17652 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 17653 continue; 17654 } 17655 if (DEBUG_SD_INSTALL) 17656 Log.i(TAG, "Looking for pkg : " + pkgName); 17657 17658 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17659 if (ps == null) { 17660 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 17661 continue; 17662 } 17663 17664 /* 17665 * Skip packages that are not external if we're unmounting 17666 * external storage. 17667 */ 17668 if (externalStorage && !isMounted && !isExternal(ps)) { 17669 continue; 17670 } 17671 17672 final AsecInstallArgs args = new AsecInstallArgs(cid, 17673 getAppDexInstructionSets(ps), ps.isForwardLocked()); 17674 // The package status is changed only if the code path 17675 // matches between settings and the container id. 17676 if (ps.codePathString != null 17677 && ps.codePathString.startsWith(args.getCodePath())) { 17678 if (DEBUG_SD_INSTALL) { 17679 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 17680 + " at code path: " + ps.codePathString); 17681 } 17682 17683 // We do have a valid package installed on sdcard 17684 processCids.put(args, ps.codePathString); 17685 final int uid = ps.appId; 17686 if (uid != -1) { 17687 uidArr = ArrayUtils.appendInt(uidArr, uid); 17688 } 17689 } else { 17690 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 17691 + ps.codePathString); 17692 } 17693 } 17694 } 17695 17696 Arrays.sort(uidArr); 17697 } 17698 17699 // Process packages with valid entries. 17700 if (isMounted) { 17701 if (DEBUG_SD_INSTALL) 17702 Log.i(TAG, "Loading packages"); 17703 loadMediaPackages(processCids, uidArr, externalStorage); 17704 startCleaningPackages(); 17705 mInstallerService.onSecureContainersAvailable(); 17706 } else { 17707 if (DEBUG_SD_INSTALL) 17708 Log.i(TAG, "Unloading packages"); 17709 unloadMediaPackages(processCids, uidArr, reportStatus); 17710 } 17711 } 17712 17713 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17714 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 17715 final int size = infos.size(); 17716 final String[] packageNames = new String[size]; 17717 final int[] packageUids = new int[size]; 17718 for (int i = 0; i < size; i++) { 17719 final ApplicationInfo info = infos.get(i); 17720 packageNames[i] = info.packageName; 17721 packageUids[i] = info.uid; 17722 } 17723 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 17724 finishedReceiver); 17725 } 17726 17727 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17728 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17729 sendResourcesChangedBroadcast(mediaStatus, replacing, 17730 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 17731 } 17732 17733 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17734 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17735 int size = pkgList.length; 17736 if (size > 0) { 17737 // Send broadcasts here 17738 Bundle extras = new Bundle(); 17739 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 17740 if (uidArr != null) { 17741 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 17742 } 17743 if (replacing) { 17744 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 17745 } 17746 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 17747 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 17748 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 17749 } 17750 } 17751 17752 /* 17753 * Look at potentially valid container ids from processCids If package 17754 * information doesn't match the one on record or package scanning fails, 17755 * the cid is added to list of removeCids. We currently don't delete stale 17756 * containers. 17757 */ 17758 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 17759 boolean externalStorage) { 17760 ArrayList<String> pkgList = new ArrayList<String>(); 17761 Set<AsecInstallArgs> keys = processCids.keySet(); 17762 17763 for (AsecInstallArgs args : keys) { 17764 String codePath = processCids.get(args); 17765 if (DEBUG_SD_INSTALL) 17766 Log.i(TAG, "Loading container : " + args.cid); 17767 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 17768 try { 17769 // Make sure there are no container errors first. 17770 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 17771 Slog.e(TAG, "Failed to mount cid : " + args.cid 17772 + " when installing from sdcard"); 17773 continue; 17774 } 17775 // Check code path here. 17776 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 17777 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 17778 + " does not match one in settings " + codePath); 17779 continue; 17780 } 17781 // Parse package 17782 int parseFlags = mDefParseFlags; 17783 if (args.isExternalAsec()) { 17784 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 17785 } 17786 if (args.isFwdLocked()) { 17787 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 17788 } 17789 17790 synchronized (mInstallLock) { 17791 PackageParser.Package pkg = null; 17792 try { 17793 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 17794 } catch (PackageManagerException e) { 17795 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 17796 } 17797 // Scan the package 17798 if (pkg != null) { 17799 /* 17800 * TODO why is the lock being held? doPostInstall is 17801 * called in other places without the lock. This needs 17802 * to be straightened out. 17803 */ 17804 // writer 17805 synchronized (mPackages) { 17806 retCode = PackageManager.INSTALL_SUCCEEDED; 17807 pkgList.add(pkg.packageName); 17808 // Post process args 17809 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 17810 pkg.applicationInfo.uid); 17811 } 17812 } else { 17813 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 17814 } 17815 } 17816 17817 } finally { 17818 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 17819 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 17820 } 17821 } 17822 } 17823 // writer 17824 synchronized (mPackages) { 17825 // If the platform SDK has changed since the last time we booted, 17826 // we need to re-grant app permission to catch any new ones that 17827 // appear. This is really a hack, and means that apps can in some 17828 // cases get permissions that the user didn't initially explicitly 17829 // allow... it would be nice to have some better way to handle 17830 // this situation. 17831 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 17832 : mSettings.getInternalVersion(); 17833 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 17834 : StorageManager.UUID_PRIVATE_INTERNAL; 17835 17836 int updateFlags = UPDATE_PERMISSIONS_ALL; 17837 if (ver.sdkVersion != mSdkVersion) { 17838 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17839 + mSdkVersion + "; regranting permissions for external"); 17840 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17841 } 17842 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17843 17844 // Yay, everything is now upgraded 17845 ver.forceCurrent(); 17846 17847 // can downgrade to reader 17848 // Persist settings 17849 mSettings.writeLPr(); 17850 } 17851 // Send a broadcast to let everyone know we are done processing 17852 if (pkgList.size() > 0) { 17853 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 17854 } 17855 } 17856 17857 /* 17858 * Utility method to unload a list of specified containers 17859 */ 17860 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 17861 // Just unmount all valid containers. 17862 for (AsecInstallArgs arg : cidArgs) { 17863 synchronized (mInstallLock) { 17864 arg.doPostDeleteLI(false); 17865 } 17866 } 17867 } 17868 17869 /* 17870 * Unload packages mounted on external media. This involves deleting package 17871 * data from internal structures, sending broadcasts about disabled packages, 17872 * gc'ing to free up references, unmounting all secure containers 17873 * corresponding to packages on external media, and posting a 17874 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 17875 * that we always have to post this message if status has been requested no 17876 * matter what. 17877 */ 17878 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 17879 final boolean reportStatus) { 17880 if (DEBUG_SD_INSTALL) 17881 Log.i(TAG, "unloading media packages"); 17882 ArrayList<String> pkgList = new ArrayList<String>(); 17883 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 17884 final Set<AsecInstallArgs> keys = processCids.keySet(); 17885 for (AsecInstallArgs args : keys) { 17886 String pkgName = args.getPackageName(); 17887 if (DEBUG_SD_INSTALL) 17888 Log.i(TAG, "Trying to unload pkg : " + pkgName); 17889 // Delete package internally 17890 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17891 synchronized (mInstallLock) { 17892 boolean res = deletePackageLI(pkgName, null, false, null, 17893 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 17894 if (res) { 17895 pkgList.add(pkgName); 17896 } else { 17897 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 17898 failedList.add(args); 17899 } 17900 } 17901 } 17902 17903 // reader 17904 synchronized (mPackages) { 17905 // We didn't update the settings after removing each package; 17906 // write them now for all packages. 17907 mSettings.writeLPr(); 17908 } 17909 17910 // We have to absolutely send UPDATED_MEDIA_STATUS only 17911 // after confirming that all the receivers processed the ordered 17912 // broadcast when packages get disabled, force a gc to clean things up. 17913 // and unload all the containers. 17914 if (pkgList.size() > 0) { 17915 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 17916 new IIntentReceiver.Stub() { 17917 public void performReceive(Intent intent, int resultCode, String data, 17918 Bundle extras, boolean ordered, boolean sticky, 17919 int sendingUser) throws RemoteException { 17920 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 17921 reportStatus ? 1 : 0, 1, keys); 17922 mHandler.sendMessage(msg); 17923 } 17924 }); 17925 } else { 17926 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 17927 keys); 17928 mHandler.sendMessage(msg); 17929 } 17930 } 17931 17932 private void loadPrivatePackages(final VolumeInfo vol) { 17933 mHandler.post(new Runnable() { 17934 @Override 17935 public void run() { 17936 loadPrivatePackagesInner(vol); 17937 } 17938 }); 17939 } 17940 17941 private void loadPrivatePackagesInner(VolumeInfo vol) { 17942 final String volumeUuid = vol.fsUuid; 17943 if (TextUtils.isEmpty(volumeUuid)) { 17944 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 17945 return; 17946 } 17947 17948 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 17949 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 17950 17951 final VersionInfo ver; 17952 final List<PackageSetting> packages; 17953 synchronized (mPackages) { 17954 ver = mSettings.findOrCreateVersion(volumeUuid); 17955 packages = mSettings.getVolumePackagesLPr(volumeUuid); 17956 } 17957 17958 // TODO: introduce a new concept similar to "frozen" to prevent these 17959 // apps from being launched until after data has been fully reconciled 17960 for (PackageSetting ps : packages) { 17961 synchronized (mInstallLock) { 17962 final PackageParser.Package pkg; 17963 try { 17964 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 17965 loaded.add(pkg.applicationInfo); 17966 17967 } catch (PackageManagerException e) { 17968 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 17969 } 17970 17971 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 17972 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 17973 } 17974 } 17975 } 17976 17977 // Reconcile app data for all started/unlocked users 17978 final StorageManager sm = mContext.getSystemService(StorageManager.class); 17979 final UserManager um = mContext.getSystemService(UserManager.class); 17980 for (UserInfo user : um.getUsers()) { 17981 final int flags; 17982 if (um.isUserUnlocked(user.id)) { 17983 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 17984 } else if (um.isUserRunning(user.id)) { 17985 flags = StorageManager.FLAG_STORAGE_DE; 17986 } else { 17987 continue; 17988 } 17989 17990 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 17991 reconcileAppsData(volumeUuid, user.id, flags); 17992 } 17993 17994 synchronized (mPackages) { 17995 int updateFlags = UPDATE_PERMISSIONS_ALL; 17996 if (ver.sdkVersion != mSdkVersion) { 17997 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17998 + mSdkVersion + "; regranting permissions for " + volumeUuid); 17999 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18000 } 18001 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18002 18003 // Yay, everything is now upgraded 18004 ver.forceCurrent(); 18005 18006 mSettings.writeLPr(); 18007 } 18008 18009 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18010 sendResourcesChangedBroadcast(true, false, loaded, null); 18011 } 18012 18013 private void unloadPrivatePackages(final VolumeInfo vol) { 18014 mHandler.post(new Runnable() { 18015 @Override 18016 public void run() { 18017 unloadPrivatePackagesInner(vol); 18018 } 18019 }); 18020 } 18021 18022 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18023 final String volumeUuid = vol.fsUuid; 18024 if (TextUtils.isEmpty(volumeUuid)) { 18025 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18026 return; 18027 } 18028 18029 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18030 synchronized (mInstallLock) { 18031 synchronized (mPackages) { 18032 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18033 for (PackageSetting ps : packages) { 18034 if (ps.pkg == null) continue; 18035 18036 final ApplicationInfo info = ps.pkg.applicationInfo; 18037 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18038 if (deletePackageLI(ps.name, null, false, null, 18039 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 18040 unloaded.add(info); 18041 } else { 18042 Slog.w(TAG, "Failed to unload " + ps.codePath); 18043 } 18044 } 18045 18046 mSettings.writeLPr(); 18047 } 18048 } 18049 18050 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18051 sendResourcesChangedBroadcast(false, false, unloaded, null); 18052 } 18053 18054 /** 18055 * Examine all users present on given mounted volume, and destroy data 18056 * belonging to users that are no longer valid, or whose user ID has been 18057 * recycled. 18058 */ 18059 private void reconcileUsers(String volumeUuid) { 18060 // TODO: also reconcile DE directories 18061 final File[] files = FileUtils 18062 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 18063 for (File file : files) { 18064 if (!file.isDirectory()) continue; 18065 18066 final int userId; 18067 final UserInfo info; 18068 try { 18069 userId = Integer.parseInt(file.getName()); 18070 info = sUserManager.getUserInfo(userId); 18071 } catch (NumberFormatException e) { 18072 Slog.w(TAG, "Invalid user directory " + file); 18073 continue; 18074 } 18075 18076 boolean destroyUser = false; 18077 if (info == null) { 18078 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18079 + " because no matching user was found"); 18080 destroyUser = true; 18081 } else { 18082 try { 18083 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18084 } catch (IOException e) { 18085 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18086 + " because we failed to enforce serial number: " + e); 18087 destroyUser = true; 18088 } 18089 } 18090 18091 if (destroyUser) { 18092 synchronized (mInstallLock) { 18093 try { 18094 mInstaller.removeUserDataDirs(volumeUuid, userId); 18095 } catch (InstallerException e) { 18096 Slog.w(TAG, "Failed to clean up user dirs", e); 18097 } 18098 } 18099 } 18100 } 18101 } 18102 18103 private void assertPackageKnown(String volumeUuid, String packageName) 18104 throws PackageManagerException { 18105 synchronized (mPackages) { 18106 final PackageSetting ps = mSettings.mPackages.get(packageName); 18107 if (ps == null) { 18108 throw new PackageManagerException("Package " + packageName + " is unknown"); 18109 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18110 throw new PackageManagerException( 18111 "Package " + packageName + " found on unknown volume " + volumeUuid 18112 + "; expected volume " + ps.volumeUuid); 18113 } 18114 } 18115 } 18116 18117 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18118 throws PackageManagerException { 18119 synchronized (mPackages) { 18120 final PackageSetting ps = mSettings.mPackages.get(packageName); 18121 if (ps == null) { 18122 throw new PackageManagerException("Package " + packageName + " is unknown"); 18123 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18124 throw new PackageManagerException( 18125 "Package " + packageName + " found on unknown volume " + volumeUuid 18126 + "; expected volume " + ps.volumeUuid); 18127 } else if (!ps.getInstalled(userId)) { 18128 throw new PackageManagerException( 18129 "Package " + packageName + " not installed for user " + userId); 18130 } 18131 } 18132 } 18133 18134 /** 18135 * Examine all apps present on given mounted volume, and destroy apps that 18136 * aren't expected, either due to uninstallation or reinstallation on 18137 * another volume. 18138 */ 18139 private void reconcileApps(String volumeUuid) { 18140 final File[] files = FileUtils 18141 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18142 for (File file : files) { 18143 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18144 && !PackageInstallerService.isStageName(file.getName()); 18145 if (!isPackage) { 18146 // Ignore entries which are not packages 18147 continue; 18148 } 18149 18150 try { 18151 final PackageLite pkg = PackageParser.parsePackageLite(file, 18152 PackageParser.PARSE_MUST_BE_APK); 18153 assertPackageKnown(volumeUuid, pkg.packageName); 18154 18155 } catch (PackageParserException | PackageManagerException e) { 18156 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18157 synchronized (mInstallLock) { 18158 removeCodePathLI(file); 18159 } 18160 } 18161 } 18162 } 18163 18164 /** 18165 * Reconcile all app data for the given user. 18166 * <p> 18167 * Verifies that directories exist and that ownership and labeling is 18168 * correct for all installed apps on all mounted volumes. 18169 */ 18170 void reconcileAppsData(int userId, int flags) { 18171 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18172 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18173 final String volumeUuid = vol.getFsUuid(); 18174 reconcileAppsData(volumeUuid, userId, flags); 18175 } 18176 } 18177 18178 /** 18179 * Reconcile all app data on given mounted volume. 18180 * <p> 18181 * Destroys app data that isn't expected, either due to uninstallation or 18182 * reinstallation on another volume. 18183 * <p> 18184 * Verifies that directories exist and that ownership and labeling is 18185 * correct for all installed apps. 18186 */ 18187 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 18188 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 18189 + Integer.toHexString(flags)); 18190 18191 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 18192 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 18193 18194 boolean restoreconNeeded = false; 18195 18196 // First look for stale data that doesn't belong, and check if things 18197 // have changed since we did our last restorecon 18198 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18199 if (!isUserKeyUnlocked(userId)) { 18200 throw new RuntimeException( 18201 "Yikes, someone asked us to reconcile CE storage while " + userId 18202 + " was still locked; this would have caused massive data loss!"); 18203 } 18204 18205 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 18206 18207 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 18208 for (File file : files) { 18209 final String packageName = file.getName(); 18210 try { 18211 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18212 } catch (PackageManagerException e) { 18213 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18214 synchronized (mInstallLock) { 18215 destroyAppDataLI(volumeUuid, packageName, userId, 18216 StorageManager.FLAG_STORAGE_CE); 18217 } 18218 } 18219 } 18220 } 18221 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18222 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 18223 18224 final File[] files = FileUtils.listFilesOrEmpty(deDir); 18225 for (File file : files) { 18226 final String packageName = file.getName(); 18227 try { 18228 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18229 } catch (PackageManagerException e) { 18230 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18231 synchronized (mInstallLock) { 18232 destroyAppDataLI(volumeUuid, packageName, userId, 18233 StorageManager.FLAG_STORAGE_DE); 18234 } 18235 } 18236 } 18237 } 18238 18239 // Ensure that data directories are ready to roll for all packages 18240 // installed for this volume and user 18241 final List<PackageSetting> packages; 18242 synchronized (mPackages) { 18243 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18244 } 18245 int preparedCount = 0; 18246 for (PackageSetting ps : packages) { 18247 final String packageName = ps.name; 18248 if (ps.pkg == null) { 18249 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18250 // TODO: might be due to legacy ASEC apps; we should circle back 18251 // and reconcile again once they're scanned 18252 continue; 18253 } 18254 18255 if (ps.getInstalled(userId)) { 18256 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18257 18258 if (maybeMigrateAppData(volumeUuid, userId, ps.pkg)) { 18259 // We may have just shuffled around app data directories, so 18260 // prepare them one more time 18261 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18262 } 18263 18264 preparedCount++; 18265 } 18266 } 18267 18268 if (restoreconNeeded) { 18269 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18270 SELinuxMMAC.setRestoreconDone(ceDir); 18271 } 18272 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18273 SELinuxMMAC.setRestoreconDone(deDir); 18274 } 18275 } 18276 18277 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 18278 + " packages; restoreconNeeded was " + restoreconNeeded); 18279 } 18280 18281 /** 18282 * Prepare app data for the given app just after it was installed or 18283 * upgraded. This method carefully only touches users that it's installed 18284 * for, and it forces a restorecon to handle any seinfo changes. 18285 * <p> 18286 * Verifies that directories exist and that ownership and labeling is 18287 * correct for all installed apps. If there is an ownership mismatch, it 18288 * will try recovering system apps by wiping data; third-party app data is 18289 * left intact. 18290 * <p> 18291 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 18292 */ 18293 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 18294 prepareAppDataAfterInstallInternal(pkg); 18295 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18296 for (int i = 0; i < childCount; i++) { 18297 PackageParser.Package childPackage = pkg.childPackages.get(i); 18298 prepareAppDataAfterInstallInternal(childPackage); 18299 } 18300 } 18301 18302 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 18303 final PackageSetting ps; 18304 synchronized (mPackages) { 18305 ps = mSettings.mPackages.get(pkg.packageName); 18306 mSettings.writeKernelMappingLPr(ps); 18307 } 18308 18309 final UserManager um = mContext.getSystemService(UserManager.class); 18310 for (UserInfo user : um.getUsers()) { 18311 final int flags; 18312 if (um.isUserUnlocked(user.id)) { 18313 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18314 } else if (um.isUserRunning(user.id)) { 18315 flags = StorageManager.FLAG_STORAGE_DE; 18316 } else { 18317 continue; 18318 } 18319 18320 if (ps.getInstalled(user.id)) { 18321 // Whenever an app changes, force a restorecon of its data 18322 // TODO: when user data is locked, mark that we're still dirty 18323 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 18324 } 18325 } 18326 } 18327 18328 /** 18329 * Prepare app data for the given app. 18330 * <p> 18331 * Verifies that directories exist and that ownership and labeling is 18332 * correct for all installed apps. If there is an ownership mismatch, this 18333 * will try recovering system apps by wiping data; third-party app data is 18334 * left intact. 18335 */ 18336 private void prepareAppData(String volumeUuid, int userId, int flags, 18337 PackageParser.Package pkg, boolean restoreconNeeded) { 18338 if (DEBUG_APP_DATA) { 18339 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18340 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18341 } 18342 18343 final String packageName = pkg.packageName; 18344 final ApplicationInfo app = pkg.applicationInfo; 18345 final int appId = UserHandle.getAppId(app.uid); 18346 18347 Preconditions.checkNotNull(app.seinfo); 18348 18349 synchronized (mInstallLock) { 18350 try { 18351 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18352 appId, app.seinfo, app.targetSdkVersion); 18353 } catch (InstallerException e) { 18354 if (app.isSystemApp()) { 18355 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18356 + ", but trying to recover: " + e); 18357 destroyAppDataLI(volumeUuid, packageName, userId, flags); 18358 try { 18359 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18360 appId, app.seinfo, app.targetSdkVersion); 18361 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18362 } catch (InstallerException e2) { 18363 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18364 } 18365 } else { 18366 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18367 } 18368 } 18369 18370 if (restoreconNeeded) { 18371 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 18372 } 18373 18374 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18375 // Create a native library symlink only if we have native libraries 18376 // and if the native libraries are 32 bit libraries. We do not provide 18377 // this symlink for 64 bit libraries. 18378 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18379 final String nativeLibPath = app.nativeLibraryDir; 18380 try { 18381 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18382 nativeLibPath, userId); 18383 } catch (InstallerException e) { 18384 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18385 } 18386 } 18387 } 18388 } 18389 } 18390 18391 /** 18392 * For system apps on non-FBE devices, this method migrates any existing 18393 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 18394 * requested by the app. 18395 */ 18396 private boolean maybeMigrateAppData(String volumeUuid, int userId, PackageParser.Package pkg) { 18397 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 18398 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 18399 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 18400 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 18401 synchronized (mInstallLock) { 18402 try { 18403 mInstaller.migrateAppData(volumeUuid, pkg.packageName, userId, storageTarget); 18404 } catch (InstallerException e) { 18405 logCriticalInfo(Log.WARN, 18406 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 18407 } 18408 } 18409 return true; 18410 } else { 18411 return false; 18412 } 18413 } 18414 18415 private void unfreezePackage(String packageName) { 18416 synchronized (mPackages) { 18417 final PackageSetting ps = mSettings.mPackages.get(packageName); 18418 if (ps != null) { 18419 ps.frozen = false; 18420 } 18421 } 18422 } 18423 18424 @Override 18425 public int movePackage(final String packageName, final String volumeUuid) { 18426 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18427 18428 final int moveId = mNextMoveId.getAndIncrement(); 18429 mHandler.post(new Runnable() { 18430 @Override 18431 public void run() { 18432 try { 18433 movePackageInternal(packageName, volumeUuid, moveId); 18434 } catch (PackageManagerException e) { 18435 Slog.w(TAG, "Failed to move " + packageName, e); 18436 mMoveCallbacks.notifyStatusChanged(moveId, 18437 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18438 } 18439 } 18440 }); 18441 return moveId; 18442 } 18443 18444 private void movePackageInternal(final String packageName, final String volumeUuid, 18445 final int moveId) throws PackageManagerException { 18446 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 18447 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18448 final PackageManager pm = mContext.getPackageManager(); 18449 18450 final boolean currentAsec; 18451 final String currentVolumeUuid; 18452 final File codeFile; 18453 final String installerPackageName; 18454 final String packageAbiOverride; 18455 final int appId; 18456 final String seinfo; 18457 final String label; 18458 final int targetSdkVersion; 18459 18460 // reader 18461 synchronized (mPackages) { 18462 final PackageParser.Package pkg = mPackages.get(packageName); 18463 final PackageSetting ps = mSettings.mPackages.get(packageName); 18464 if (pkg == null || ps == null) { 18465 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 18466 } 18467 18468 if (pkg.applicationInfo.isSystemApp()) { 18469 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 18470 "Cannot move system application"); 18471 } 18472 18473 if (pkg.applicationInfo.isExternalAsec()) { 18474 currentAsec = true; 18475 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 18476 } else if (pkg.applicationInfo.isForwardLocked()) { 18477 currentAsec = true; 18478 currentVolumeUuid = "forward_locked"; 18479 } else { 18480 currentAsec = false; 18481 currentVolumeUuid = ps.volumeUuid; 18482 18483 final File probe = new File(pkg.codePath); 18484 final File probeOat = new File(probe, "oat"); 18485 if (!probe.isDirectory() || !probeOat.isDirectory()) { 18486 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18487 "Move only supported for modern cluster style installs"); 18488 } 18489 } 18490 18491 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 18492 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18493 "Package already moved to " + volumeUuid); 18494 } 18495 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 18496 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 18497 "Device admin cannot be moved"); 18498 } 18499 18500 if (ps.frozen) { 18501 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 18502 "Failed to move already frozen package"); 18503 } 18504 ps.frozen = true; 18505 18506 codeFile = new File(pkg.codePath); 18507 installerPackageName = ps.installerPackageName; 18508 packageAbiOverride = ps.cpuAbiOverrideString; 18509 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18510 seinfo = pkg.applicationInfo.seinfo; 18511 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 18512 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 18513 } 18514 18515 // Now that we're guarded by frozen state, kill app during move 18516 final long token = Binder.clearCallingIdentity(); 18517 try { 18518 killApplication(packageName, appId, "move pkg"); 18519 } finally { 18520 Binder.restoreCallingIdentity(token); 18521 } 18522 18523 final Bundle extras = new Bundle(); 18524 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 18525 extras.putString(Intent.EXTRA_TITLE, label); 18526 mMoveCallbacks.notifyCreated(moveId, extras); 18527 18528 int installFlags; 18529 final boolean moveCompleteApp; 18530 final File measurePath; 18531 18532 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 18533 installFlags = INSTALL_INTERNAL; 18534 moveCompleteApp = !currentAsec; 18535 measurePath = Environment.getDataAppDirectory(volumeUuid); 18536 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 18537 installFlags = INSTALL_EXTERNAL; 18538 moveCompleteApp = false; 18539 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 18540 } else { 18541 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 18542 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 18543 || !volume.isMountedWritable()) { 18544 unfreezePackage(packageName); 18545 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18546 "Move location not mounted private volume"); 18547 } 18548 18549 Preconditions.checkState(!currentAsec); 18550 18551 installFlags = INSTALL_INTERNAL; 18552 moveCompleteApp = true; 18553 measurePath = Environment.getDataAppDirectory(volumeUuid); 18554 } 18555 18556 final PackageStats stats = new PackageStats(null, -1); 18557 synchronized (mInstaller) { 18558 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 18559 unfreezePackage(packageName); 18560 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18561 "Failed to measure package size"); 18562 } 18563 } 18564 18565 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 18566 + stats.dataSize); 18567 18568 final long startFreeBytes = measurePath.getFreeSpace(); 18569 final long sizeBytes; 18570 if (moveCompleteApp) { 18571 sizeBytes = stats.codeSize + stats.dataSize; 18572 } else { 18573 sizeBytes = stats.codeSize; 18574 } 18575 18576 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 18577 unfreezePackage(packageName); 18578 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18579 "Not enough free space to move"); 18580 } 18581 18582 mMoveCallbacks.notifyStatusChanged(moveId, 10); 18583 18584 final CountDownLatch installedLatch = new CountDownLatch(1); 18585 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 18586 @Override 18587 public void onUserActionRequired(Intent intent) throws RemoteException { 18588 throw new IllegalStateException(); 18589 } 18590 18591 @Override 18592 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 18593 Bundle extras) throws RemoteException { 18594 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 18595 + PackageManager.installStatusToString(returnCode, msg)); 18596 18597 installedLatch.countDown(); 18598 18599 // Regardless of success or failure of the move operation, 18600 // always unfreeze the package 18601 unfreezePackage(packageName); 18602 18603 final int status = PackageManager.installStatusToPublicStatus(returnCode); 18604 switch (status) { 18605 case PackageInstaller.STATUS_SUCCESS: 18606 mMoveCallbacks.notifyStatusChanged(moveId, 18607 PackageManager.MOVE_SUCCEEDED); 18608 break; 18609 case PackageInstaller.STATUS_FAILURE_STORAGE: 18610 mMoveCallbacks.notifyStatusChanged(moveId, 18611 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 18612 break; 18613 default: 18614 mMoveCallbacks.notifyStatusChanged(moveId, 18615 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18616 break; 18617 } 18618 } 18619 }; 18620 18621 final MoveInfo move; 18622 if (moveCompleteApp) { 18623 // Kick off a thread to report progress estimates 18624 new Thread() { 18625 @Override 18626 public void run() { 18627 while (true) { 18628 try { 18629 if (installedLatch.await(1, TimeUnit.SECONDS)) { 18630 break; 18631 } 18632 } catch (InterruptedException ignored) { 18633 } 18634 18635 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 18636 final int progress = 10 + (int) MathUtils.constrain( 18637 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 18638 mMoveCallbacks.notifyStatusChanged(moveId, progress); 18639 } 18640 } 18641 }.start(); 18642 18643 final String dataAppName = codeFile.getName(); 18644 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 18645 dataAppName, appId, seinfo, targetSdkVersion); 18646 } else { 18647 move = null; 18648 } 18649 18650 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 18651 18652 final Message msg = mHandler.obtainMessage(INIT_COPY); 18653 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 18654 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 18655 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 18656 packageAbiOverride, null); 18657 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 18658 msg.obj = params; 18659 18660 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 18661 System.identityHashCode(msg.obj)); 18662 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 18663 System.identityHashCode(msg.obj)); 18664 18665 mHandler.sendMessage(msg); 18666 } 18667 18668 @Override 18669 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 18670 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18671 18672 final int realMoveId = mNextMoveId.getAndIncrement(); 18673 final Bundle extras = new Bundle(); 18674 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 18675 mMoveCallbacks.notifyCreated(realMoveId, extras); 18676 18677 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 18678 @Override 18679 public void onCreated(int moveId, Bundle extras) { 18680 // Ignored 18681 } 18682 18683 @Override 18684 public void onStatusChanged(int moveId, int status, long estMillis) { 18685 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 18686 } 18687 }; 18688 18689 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18690 storage.setPrimaryStorageUuid(volumeUuid, callback); 18691 return realMoveId; 18692 } 18693 18694 @Override 18695 public int getMoveStatus(int moveId) { 18696 mContext.enforceCallingOrSelfPermission( 18697 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18698 return mMoveCallbacks.mLastStatus.get(moveId); 18699 } 18700 18701 @Override 18702 public void registerMoveCallback(IPackageMoveObserver callback) { 18703 mContext.enforceCallingOrSelfPermission( 18704 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18705 mMoveCallbacks.register(callback); 18706 } 18707 18708 @Override 18709 public void unregisterMoveCallback(IPackageMoveObserver callback) { 18710 mContext.enforceCallingOrSelfPermission( 18711 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18712 mMoveCallbacks.unregister(callback); 18713 } 18714 18715 @Override 18716 public boolean setInstallLocation(int loc) { 18717 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 18718 null); 18719 if (getInstallLocation() == loc) { 18720 return true; 18721 } 18722 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 18723 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 18724 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 18725 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 18726 return true; 18727 } 18728 return false; 18729 } 18730 18731 @Override 18732 public int getInstallLocation() { 18733 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 18734 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 18735 PackageHelper.APP_INSTALL_AUTO); 18736 } 18737 18738 /** Called by UserManagerService */ 18739 void cleanUpUser(UserManagerService userManager, int userHandle) { 18740 synchronized (mPackages) { 18741 mDirtyUsers.remove(userHandle); 18742 mUserNeedsBadging.delete(userHandle); 18743 mSettings.removeUserLPw(userHandle); 18744 mPendingBroadcasts.remove(userHandle); 18745 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 18746 } 18747 synchronized (mInstallLock) { 18748 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18749 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18750 final String volumeUuid = vol.getFsUuid(); 18751 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 18752 try { 18753 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 18754 } catch (InstallerException e) { 18755 Slog.w(TAG, "Failed to remove user data", e); 18756 } 18757 } 18758 synchronized (mPackages) { 18759 removeUnusedPackagesLILPw(userManager, userHandle); 18760 } 18761 } 18762 } 18763 18764 /** 18765 * We're removing userHandle and would like to remove any downloaded packages 18766 * that are no longer in use by any other user. 18767 * @param userHandle the user being removed 18768 */ 18769 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 18770 final boolean DEBUG_CLEAN_APKS = false; 18771 int [] users = userManager.getUserIds(); 18772 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 18773 while (psit.hasNext()) { 18774 PackageSetting ps = psit.next(); 18775 if (ps.pkg == null) { 18776 continue; 18777 } 18778 final String packageName = ps.pkg.packageName; 18779 // Skip over if system app 18780 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 18781 continue; 18782 } 18783 if (DEBUG_CLEAN_APKS) { 18784 Slog.i(TAG, "Checking package " + packageName); 18785 } 18786 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 18787 if (keep) { 18788 if (DEBUG_CLEAN_APKS) { 18789 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 18790 } 18791 } else { 18792 for (int i = 0; i < users.length; i++) { 18793 if (users[i] != userHandle && ps.getInstalled(users[i])) { 18794 keep = true; 18795 if (DEBUG_CLEAN_APKS) { 18796 Slog.i(TAG, " Keeping package " + packageName + " for user " 18797 + users[i]); 18798 } 18799 break; 18800 } 18801 } 18802 } 18803 if (!keep) { 18804 if (DEBUG_CLEAN_APKS) { 18805 Slog.i(TAG, " Removing package " + packageName); 18806 } 18807 mHandler.post(new Runnable() { 18808 public void run() { 18809 deletePackageX(packageName, userHandle, 0); 18810 } //end run 18811 }); 18812 } 18813 } 18814 } 18815 18816 /** Called by UserManagerService */ 18817 void createNewUser(int userHandle) { 18818 synchronized (mInstallLock) { 18819 try { 18820 mInstaller.createUserConfig(userHandle); 18821 } catch (InstallerException e) { 18822 Slog.w(TAG, "Failed to create user config", e); 18823 } 18824 mSettings.createNewUserLI(this, mInstaller, userHandle); 18825 } 18826 synchronized (mPackages) { 18827 applyFactoryDefaultBrowserLPw(userHandle); 18828 primeDomainVerificationsLPw(userHandle); 18829 } 18830 } 18831 18832 void newUserCreated(final int userHandle) { 18833 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 18834 // If permission review for legacy apps is required, we represent 18835 // dagerous permissions for such apps as always granted runtime 18836 // permissions to keep per user flag state whether review is needed. 18837 // Hence, if a new user is added we have to propagate dangerous 18838 // permission grants for these legacy apps. 18839 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 18840 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 18841 | UPDATE_PERMISSIONS_REPLACE_ALL); 18842 } 18843 } 18844 18845 @Override 18846 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 18847 mContext.enforceCallingOrSelfPermission( 18848 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 18849 "Only package verification agents can read the verifier device identity"); 18850 18851 synchronized (mPackages) { 18852 return mSettings.getVerifierDeviceIdentityLPw(); 18853 } 18854 } 18855 18856 @Override 18857 public void setPermissionEnforced(String permission, boolean enforced) { 18858 // TODO: Now that we no longer change GID for storage, this should to away. 18859 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 18860 "setPermissionEnforced"); 18861 if (READ_EXTERNAL_STORAGE.equals(permission)) { 18862 synchronized (mPackages) { 18863 if (mSettings.mReadExternalStorageEnforced == null 18864 || mSettings.mReadExternalStorageEnforced != enforced) { 18865 mSettings.mReadExternalStorageEnforced = enforced; 18866 mSettings.writeLPr(); 18867 } 18868 } 18869 // kill any non-foreground processes so we restart them and 18870 // grant/revoke the GID. 18871 final IActivityManager am = ActivityManagerNative.getDefault(); 18872 if (am != null) { 18873 final long token = Binder.clearCallingIdentity(); 18874 try { 18875 am.killProcessesBelowForeground("setPermissionEnforcement"); 18876 } catch (RemoteException e) { 18877 } finally { 18878 Binder.restoreCallingIdentity(token); 18879 } 18880 } 18881 } else { 18882 throw new IllegalArgumentException("No selective enforcement for " + permission); 18883 } 18884 } 18885 18886 @Override 18887 @Deprecated 18888 public boolean isPermissionEnforced(String permission) { 18889 return true; 18890 } 18891 18892 @Override 18893 public boolean isStorageLow() { 18894 final long token = Binder.clearCallingIdentity(); 18895 try { 18896 final DeviceStorageMonitorInternal 18897 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 18898 if (dsm != null) { 18899 return dsm.isMemoryLow(); 18900 } else { 18901 return false; 18902 } 18903 } finally { 18904 Binder.restoreCallingIdentity(token); 18905 } 18906 } 18907 18908 @Override 18909 public IPackageInstaller getPackageInstaller() { 18910 return mInstallerService; 18911 } 18912 18913 private boolean userNeedsBadging(int userId) { 18914 int index = mUserNeedsBadging.indexOfKey(userId); 18915 if (index < 0) { 18916 final UserInfo userInfo; 18917 final long token = Binder.clearCallingIdentity(); 18918 try { 18919 userInfo = sUserManager.getUserInfo(userId); 18920 } finally { 18921 Binder.restoreCallingIdentity(token); 18922 } 18923 final boolean b; 18924 if (userInfo != null && userInfo.isManagedProfile()) { 18925 b = true; 18926 } else { 18927 b = false; 18928 } 18929 mUserNeedsBadging.put(userId, b); 18930 return b; 18931 } 18932 return mUserNeedsBadging.valueAt(index); 18933 } 18934 18935 @Override 18936 public KeySet getKeySetByAlias(String packageName, String alias) { 18937 if (packageName == null || alias == null) { 18938 return null; 18939 } 18940 synchronized(mPackages) { 18941 final PackageParser.Package pkg = mPackages.get(packageName); 18942 if (pkg == null) { 18943 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18944 throw new IllegalArgumentException("Unknown package: " + packageName); 18945 } 18946 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18947 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 18948 } 18949 } 18950 18951 @Override 18952 public KeySet getSigningKeySet(String packageName) { 18953 if (packageName == null) { 18954 return null; 18955 } 18956 synchronized(mPackages) { 18957 final PackageParser.Package pkg = mPackages.get(packageName); 18958 if (pkg == null) { 18959 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18960 throw new IllegalArgumentException("Unknown package: " + packageName); 18961 } 18962 if (pkg.applicationInfo.uid != Binder.getCallingUid() 18963 && Process.SYSTEM_UID != Binder.getCallingUid()) { 18964 throw new SecurityException("May not access signing KeySet of other apps."); 18965 } 18966 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18967 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 18968 } 18969 } 18970 18971 @Override 18972 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 18973 if (packageName == null || ks == null) { 18974 return false; 18975 } 18976 synchronized(mPackages) { 18977 final PackageParser.Package pkg = mPackages.get(packageName); 18978 if (pkg == null) { 18979 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18980 throw new IllegalArgumentException("Unknown package: " + packageName); 18981 } 18982 IBinder ksh = ks.getToken(); 18983 if (ksh instanceof KeySetHandle) { 18984 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18985 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 18986 } 18987 return false; 18988 } 18989 } 18990 18991 @Override 18992 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 18993 if (packageName == null || ks == null) { 18994 return false; 18995 } 18996 synchronized(mPackages) { 18997 final PackageParser.Package pkg = mPackages.get(packageName); 18998 if (pkg == null) { 18999 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19000 throw new IllegalArgumentException("Unknown package: " + packageName); 19001 } 19002 IBinder ksh = ks.getToken(); 19003 if (ksh instanceof KeySetHandle) { 19004 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19005 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19006 } 19007 return false; 19008 } 19009 } 19010 19011 private void deletePackageIfUnusedLPr(final String packageName) { 19012 PackageSetting ps = mSettings.mPackages.get(packageName); 19013 if (ps == null) { 19014 return; 19015 } 19016 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19017 // TODO Implement atomic delete if package is unused 19018 // It is currently possible that the package will be deleted even if it is installed 19019 // after this method returns. 19020 mHandler.post(new Runnable() { 19021 public void run() { 19022 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19023 } 19024 }); 19025 } 19026 } 19027 19028 /** 19029 * Check and throw if the given before/after packages would be considered a 19030 * downgrade. 19031 */ 19032 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19033 throws PackageManagerException { 19034 if (after.versionCode < before.mVersionCode) { 19035 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19036 "Update version code " + after.versionCode + " is older than current " 19037 + before.mVersionCode); 19038 } else if (after.versionCode == before.mVersionCode) { 19039 if (after.baseRevisionCode < before.baseRevisionCode) { 19040 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19041 "Update base revision code " + after.baseRevisionCode 19042 + " is older than current " + before.baseRevisionCode); 19043 } 19044 19045 if (!ArrayUtils.isEmpty(after.splitNames)) { 19046 for (int i = 0; i < after.splitNames.length; i++) { 19047 final String splitName = after.splitNames[i]; 19048 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 19049 if (j != -1) { 19050 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 19051 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19052 "Update split " + splitName + " revision code " 19053 + after.splitRevisionCodes[i] + " is older than current " 19054 + before.splitRevisionCodes[j]); 19055 } 19056 } 19057 } 19058 } 19059 } 19060 } 19061 19062 private static class MoveCallbacks extends Handler { 19063 private static final int MSG_CREATED = 1; 19064 private static final int MSG_STATUS_CHANGED = 2; 19065 19066 private final RemoteCallbackList<IPackageMoveObserver> 19067 mCallbacks = new RemoteCallbackList<>(); 19068 19069 private final SparseIntArray mLastStatus = new SparseIntArray(); 19070 19071 public MoveCallbacks(Looper looper) { 19072 super(looper); 19073 } 19074 19075 public void register(IPackageMoveObserver callback) { 19076 mCallbacks.register(callback); 19077 } 19078 19079 public void unregister(IPackageMoveObserver callback) { 19080 mCallbacks.unregister(callback); 19081 } 19082 19083 @Override 19084 public void handleMessage(Message msg) { 19085 final SomeArgs args = (SomeArgs) msg.obj; 19086 final int n = mCallbacks.beginBroadcast(); 19087 for (int i = 0; i < n; i++) { 19088 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 19089 try { 19090 invokeCallback(callback, msg.what, args); 19091 } catch (RemoteException ignored) { 19092 } 19093 } 19094 mCallbacks.finishBroadcast(); 19095 args.recycle(); 19096 } 19097 19098 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 19099 throws RemoteException { 19100 switch (what) { 19101 case MSG_CREATED: { 19102 callback.onCreated(args.argi1, (Bundle) args.arg2); 19103 break; 19104 } 19105 case MSG_STATUS_CHANGED: { 19106 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 19107 break; 19108 } 19109 } 19110 } 19111 19112 private void notifyCreated(int moveId, Bundle extras) { 19113 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 19114 19115 final SomeArgs args = SomeArgs.obtain(); 19116 args.argi1 = moveId; 19117 args.arg2 = extras; 19118 obtainMessage(MSG_CREATED, args).sendToTarget(); 19119 } 19120 19121 private void notifyStatusChanged(int moveId, int status) { 19122 notifyStatusChanged(moveId, status, -1); 19123 } 19124 19125 private void notifyStatusChanged(int moveId, int status, long estMillis) { 19126 Slog.v(TAG, "Move " + moveId + " status " + status); 19127 19128 final SomeArgs args = SomeArgs.obtain(); 19129 args.argi1 = moveId; 19130 args.argi2 = status; 19131 args.arg3 = estMillis; 19132 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 19133 19134 synchronized (mLastStatus) { 19135 mLastStatus.put(moveId, status); 19136 } 19137 } 19138 } 19139 19140 private final static class OnPermissionChangeListeners extends Handler { 19141 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 19142 19143 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 19144 new RemoteCallbackList<>(); 19145 19146 public OnPermissionChangeListeners(Looper looper) { 19147 super(looper); 19148 } 19149 19150 @Override 19151 public void handleMessage(Message msg) { 19152 switch (msg.what) { 19153 case MSG_ON_PERMISSIONS_CHANGED: { 19154 final int uid = msg.arg1; 19155 handleOnPermissionsChanged(uid); 19156 } break; 19157 } 19158 } 19159 19160 public void addListenerLocked(IOnPermissionsChangeListener listener) { 19161 mPermissionListeners.register(listener); 19162 19163 } 19164 19165 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 19166 mPermissionListeners.unregister(listener); 19167 } 19168 19169 public void onPermissionsChanged(int uid) { 19170 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 19171 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 19172 } 19173 } 19174 19175 private void handleOnPermissionsChanged(int uid) { 19176 final int count = mPermissionListeners.beginBroadcast(); 19177 try { 19178 for (int i = 0; i < count; i++) { 19179 IOnPermissionsChangeListener callback = mPermissionListeners 19180 .getBroadcastItem(i); 19181 try { 19182 callback.onPermissionsChanged(uid); 19183 } catch (RemoteException e) { 19184 Log.e(TAG, "Permission listener is dead", e); 19185 } 19186 } 19187 } finally { 19188 mPermissionListeners.finishBroadcast(); 19189 } 19190 } 19191 } 19192 19193 private class PackageManagerInternalImpl extends PackageManagerInternal { 19194 @Override 19195 public void setLocationPackagesProvider(PackagesProvider provider) { 19196 synchronized (mPackages) { 19197 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 19198 } 19199 } 19200 19201 @Override 19202 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 19203 synchronized (mPackages) { 19204 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 19205 } 19206 } 19207 19208 @Override 19209 public void setSmsAppPackagesProvider(PackagesProvider provider) { 19210 synchronized (mPackages) { 19211 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 19212 } 19213 } 19214 19215 @Override 19216 public void setDialerAppPackagesProvider(PackagesProvider provider) { 19217 synchronized (mPackages) { 19218 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 19219 } 19220 } 19221 19222 @Override 19223 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 19224 synchronized (mPackages) { 19225 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 19226 } 19227 } 19228 19229 @Override 19230 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 19231 synchronized (mPackages) { 19232 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 19233 } 19234 } 19235 19236 @Override 19237 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 19238 synchronized (mPackages) { 19239 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 19240 packageName, userId); 19241 } 19242 } 19243 19244 @Override 19245 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 19246 synchronized (mPackages) { 19247 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 19248 packageName, userId); 19249 } 19250 } 19251 19252 @Override 19253 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 19254 synchronized (mPackages) { 19255 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 19256 packageName, userId); 19257 } 19258 } 19259 19260 @Override 19261 public void setKeepUninstalledPackages(final List<String> packageList) { 19262 Preconditions.checkNotNull(packageList); 19263 List<String> removedFromList = null; 19264 synchronized (mPackages) { 19265 if (mKeepUninstalledPackages != null) { 19266 final int packagesCount = mKeepUninstalledPackages.size(); 19267 for (int i = 0; i < packagesCount; i++) { 19268 String oldPackage = mKeepUninstalledPackages.get(i); 19269 if (packageList != null && packageList.contains(oldPackage)) { 19270 continue; 19271 } 19272 if (removedFromList == null) { 19273 removedFromList = new ArrayList<>(); 19274 } 19275 removedFromList.add(oldPackage); 19276 } 19277 } 19278 mKeepUninstalledPackages = new ArrayList<>(packageList); 19279 if (removedFromList != null) { 19280 final int removedCount = removedFromList.size(); 19281 for (int i = 0; i < removedCount; i++) { 19282 deletePackageIfUnusedLPr(removedFromList.get(i)); 19283 } 19284 } 19285 } 19286 } 19287 19288 @Override 19289 public boolean isPermissionsReviewRequired(String packageName, int userId) { 19290 synchronized (mPackages) { 19291 // If we do not support permission review, done. 19292 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 19293 return false; 19294 } 19295 19296 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 19297 if (packageSetting == null) { 19298 return false; 19299 } 19300 19301 // Permission review applies only to apps not supporting the new permission model. 19302 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 19303 return false; 19304 } 19305 19306 // Legacy apps have the permission and get user consent on launch. 19307 PermissionsState permissionsState = packageSetting.getPermissionsState(); 19308 return permissionsState.isPermissionReviewRequired(userId); 19309 } 19310 } 19311 19312 @Override 19313 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 19314 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 19315 } 19316 19317 @Override 19318 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19319 int userId) { 19320 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 19321 } 19322 } 19323 19324 @Override 19325 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 19326 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 19327 synchronized (mPackages) { 19328 final long identity = Binder.clearCallingIdentity(); 19329 try { 19330 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19331 packageNames, userId); 19332 } finally { 19333 Binder.restoreCallingIdentity(identity); 19334 } 19335 } 19336 } 19337 19338 private static void enforceSystemOrPhoneCaller(String tag) { 19339 int callingUid = Binder.getCallingUid(); 19340 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 19341 throw new SecurityException( 19342 "Cannot call " + tag + " from UID " + callingUid); 19343 } 19344 } 19345 19346 boolean isHistoricalPackageUsageAvailable() { 19347 return mPackageUsage.isHistoricalPackageUsageAvailable(); 19348 } 19349 19350 /** 19351 * Return a <b>copy</b> of the collection of packages known to the package manager. 19352 * @return A copy of the values of mPackages. 19353 */ 19354 Collection<PackageParser.Package> getPackages() { 19355 synchronized (mPackages) { 19356 return new ArrayList<>(mPackages.values()); 19357 } 19358 } 19359} 19360