PackageManagerService.java revision 5c8acb4380874d7793ba4e44fd3f7baa9a0cb692
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_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.FIRST_APPLICATION_UID; 80import static android.os.Process.PACKAGE_INFO_GID; 81import static android.os.Process.SYSTEM_UID; 82import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 83import static android.system.OsConstants.O_CREAT; 84import static android.system.OsConstants.O_RDWR; 85 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 87import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 88import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 89import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 90import static com.android.internal.util.ArrayUtils.appendInt; 91import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 92import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 94import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 95import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 96import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 98import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 101import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 102 103import android.Manifest; 104import android.annotation.NonNull; 105import android.annotation.Nullable; 106import android.app.ActivityManager; 107import android.app.ActivityManagerNative; 108import android.app.IActivityManager; 109import android.app.admin.DevicePolicyManagerInternal; 110import android.app.admin.IDevicePolicyManager; 111import android.app.admin.SecurityLog; 112import android.app.backup.IBackupManager; 113import android.app.usage.UsageStatsManager; 114import android.content.BroadcastReceiver; 115import android.content.ComponentName; 116import android.content.Context; 117import android.content.IIntentReceiver; 118import android.content.Intent; 119import android.content.IntentFilter; 120import android.content.IntentFilter.AuthorityEntry; 121import android.content.IntentSender; 122import android.content.IntentSender.SendIntentException; 123import android.content.ServiceConnection; 124import android.content.pm.ActivityInfo; 125import android.content.pm.ApplicationInfo; 126import android.content.pm.AppsQueryHelper; 127import android.content.pm.ComponentInfo; 128import android.content.pm.EphemeralApplicationInfo; 129import android.content.pm.EphemeralResolveInfo; 130import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 131import android.content.pm.FeatureInfo; 132import android.content.pm.IOnPermissionsChangeListener; 133import android.content.pm.IPackageDataObserver; 134import android.content.pm.IPackageDeleteObserver; 135import android.content.pm.IPackageDeleteObserver2; 136import android.content.pm.IPackageInstallObserver2; 137import android.content.pm.IPackageInstaller; 138import android.content.pm.IPackageManager; 139import android.content.pm.IPackageMoveObserver; 140import android.content.pm.IPackageStatsObserver; 141import android.content.pm.InstrumentationInfo; 142import android.content.pm.IntentFilterVerificationInfo; 143import android.content.pm.KeySet; 144import android.content.pm.PackageCleanItem; 145import android.content.pm.PackageInfo; 146import android.content.pm.PackageInfoLite; 147import android.content.pm.PackageInstaller; 148import android.content.pm.PackageManager; 149import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 150import android.content.pm.PackageManagerInternal; 151import android.content.pm.PackageParser; 152import android.content.pm.PackageParser.ActivityIntentInfo; 153import android.content.pm.PackageParser.IntentInfo; 154import android.content.pm.PackageParser.PackageLite; 155import android.content.pm.PackageParser.PackageParserException; 156import android.content.pm.PackageStats; 157import android.content.pm.PackageUserState; 158import android.content.pm.ParceledListSlice; 159import android.content.pm.PermissionGroupInfo; 160import android.content.pm.PermissionInfo; 161import android.content.pm.ProviderInfo; 162import android.content.pm.ResolveInfo; 163import android.content.pm.ServiceInfo; 164import android.content.pm.Signature; 165import android.content.pm.UserInfo; 166import android.content.pm.VerifierDeviceIdentity; 167import android.content.pm.VerifierInfo; 168import android.content.res.Resources; 169import android.graphics.Bitmap; 170import android.hardware.display.DisplayManager; 171import android.net.Uri; 172import android.os.Binder; 173import android.os.Build; 174import android.os.Bundle; 175import android.os.Debug; 176import android.os.Environment; 177import android.os.Environment.UserEnvironment; 178import android.os.FileUtils; 179import android.os.Handler; 180import android.os.IBinder; 181import android.os.Looper; 182import android.os.Message; 183import android.os.Parcel; 184import android.os.ParcelFileDescriptor; 185import android.os.Process; 186import android.os.RemoteCallbackList; 187import android.os.RemoteException; 188import android.os.ResultReceiver; 189import android.os.SELinux; 190import android.os.ServiceManager; 191import android.os.SystemClock; 192import android.os.SystemProperties; 193import android.os.Trace; 194import android.os.UserHandle; 195import android.os.UserManager; 196import android.os.storage.IMountService; 197import android.os.storage.MountServiceInternal; 198import android.os.storage.StorageEventListener; 199import android.os.storage.StorageManager; 200import android.os.storage.VolumeInfo; 201import android.os.storage.VolumeRecord; 202import android.security.KeyStore; 203import android.security.SystemKeyStore; 204import android.system.ErrnoException; 205import android.system.Os; 206import android.text.TextUtils; 207import android.text.format.DateUtils; 208import android.util.ArrayMap; 209import android.util.ArraySet; 210import android.util.AtomicFile; 211import android.util.DisplayMetrics; 212import android.util.EventLog; 213import android.util.ExceptionUtils; 214import android.util.Log; 215import android.util.LogPrinter; 216import android.util.MathUtils; 217import android.util.PrintStreamPrinter; 218import android.util.Slog; 219import android.util.SparseArray; 220import android.util.SparseBooleanArray; 221import android.util.SparseIntArray; 222import android.util.Xml; 223import android.view.Display; 224 225import com.android.internal.R; 226import com.android.internal.annotations.GuardedBy; 227import com.android.internal.app.IMediaContainerService; 228import com.android.internal.app.ResolverActivity; 229import com.android.internal.content.NativeLibraryHelper; 230import com.android.internal.content.PackageHelper; 231import com.android.internal.os.IParcelFileDescriptorFactory; 232import com.android.internal.os.InstallerConnection.InstallerException; 233import com.android.internal.os.SomeArgs; 234import com.android.internal.os.Zygote; 235import com.android.internal.util.ArrayUtils; 236import com.android.internal.util.FastPrintWriter; 237import com.android.internal.util.FastXmlSerializer; 238import com.android.internal.util.IndentingPrintWriter; 239import com.android.internal.util.Preconditions; 240import com.android.internal.util.XmlUtils; 241import com.android.server.EventLogTags; 242import com.android.server.FgThread; 243import com.android.server.IntentResolver; 244import com.android.server.LocalServices; 245import com.android.server.ServiceThread; 246import com.android.server.SystemConfig; 247import com.android.server.Watchdog; 248import com.android.server.pm.PermissionsState.PermissionState; 249import com.android.server.pm.Settings.DatabaseVersion; 250import com.android.server.pm.Settings.VersionInfo; 251import com.android.server.storage.DeviceStorageMonitorInternal; 252 253import dalvik.system.DexFile; 254import dalvik.system.VMRuntime; 255 256import libcore.io.IoUtils; 257import libcore.util.EmptyArray; 258 259import org.xmlpull.v1.XmlPullParser; 260import org.xmlpull.v1.XmlPullParserException; 261import org.xmlpull.v1.XmlSerializer; 262 263import java.io.BufferedInputStream; 264import java.io.BufferedOutputStream; 265import java.io.BufferedReader; 266import java.io.ByteArrayInputStream; 267import java.io.ByteArrayOutputStream; 268import java.io.File; 269import java.io.FileDescriptor; 270import java.io.FileNotFoundException; 271import java.io.FileOutputStream; 272import java.io.FileReader; 273import java.io.FilenameFilter; 274import java.io.IOException; 275import java.io.InputStream; 276import java.io.PrintWriter; 277import java.nio.charset.StandardCharsets; 278import java.security.MessageDigest; 279import java.security.NoSuchAlgorithmException; 280import java.security.PublicKey; 281import java.security.cert.CertificateEncodingException; 282import java.security.cert.CertificateException; 283import java.text.SimpleDateFormat; 284import java.util.ArrayList; 285import java.util.Arrays; 286import java.util.Collection; 287import java.util.Collections; 288import java.util.Comparator; 289import java.util.Date; 290import java.util.HashSet; 291import java.util.Iterator; 292import java.util.List; 293import java.util.Map; 294import java.util.Objects; 295import java.util.Set; 296import java.util.concurrent.CountDownLatch; 297import java.util.concurrent.TimeUnit; 298import java.util.concurrent.atomic.AtomicBoolean; 299import java.util.concurrent.atomic.AtomicInteger; 300import java.util.concurrent.atomic.AtomicLong; 301 302/** 303 * Keep track of all those .apks everywhere. 304 * 305 * This is very central to the platform's security; please run the unit 306 * tests whenever making modifications here: 307 * 308runtest -c android.content.pm.PackageManagerTests frameworks-core 309 * 310 * {@hide} 311 */ 312public class PackageManagerService extends IPackageManager.Stub { 313 static final String TAG = "PackageManager"; 314 static final boolean DEBUG_SETTINGS = false; 315 static final boolean DEBUG_PREFERRED = false; 316 static final boolean DEBUG_UPGRADE = false; 317 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 318 private static final boolean DEBUG_BACKUP = false; 319 private static final boolean DEBUG_INSTALL = false; 320 private static final boolean DEBUG_REMOVE = false; 321 private static final boolean DEBUG_BROADCASTS = false; 322 private static final boolean DEBUG_SHOW_INFO = false; 323 private static final boolean DEBUG_PACKAGE_INFO = false; 324 private static final boolean DEBUG_INTENT_MATCHING = false; 325 private static final boolean DEBUG_PACKAGE_SCANNING = false; 326 private static final boolean DEBUG_VERIFY = false; 327 private static final boolean DEBUG_FILTERS = false; 328 329 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 330 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 331 // user, but by default initialize to this. 332 static final boolean DEBUG_DEXOPT = false; 333 334 private static final boolean DEBUG_ABI_SELECTION = false; 335 private static final boolean DEBUG_EPHEMERAL = false; 336 private static final boolean DEBUG_TRIAGED_MISSING = false; 337 private static final boolean DEBUG_APP_DATA = false; 338 339 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 340 341 private static final boolean DISABLE_EPHEMERAL_APPS = true; 342 343 private static final int RADIO_UID = Process.PHONE_UID; 344 private static final int LOG_UID = Process.LOG_UID; 345 private static final int NFC_UID = Process.NFC_UID; 346 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 347 private static final int SHELL_UID = Process.SHELL_UID; 348 349 // Cap the size of permission trees that 3rd party apps can define 350 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 351 352 // Suffix used during package installation when copying/moving 353 // package apks to install directory. 354 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 355 356 static final int SCAN_NO_DEX = 1<<1; 357 static final int SCAN_FORCE_DEX = 1<<2; 358 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 359 static final int SCAN_NEW_INSTALL = 1<<4; 360 static final int SCAN_NO_PATHS = 1<<5; 361 static final int SCAN_UPDATE_TIME = 1<<6; 362 static final int SCAN_DEFER_DEX = 1<<7; 363 static final int SCAN_BOOTING = 1<<8; 364 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 365 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 366 static final int SCAN_REPLACING = 1<<11; 367 static final int SCAN_REQUIRE_KNOWN = 1<<12; 368 static final int SCAN_MOVE = 1<<13; 369 static final int SCAN_INITIAL = 1<<14; 370 static final int SCAN_CHECK_ONLY = 1<<15; 371 static final int SCAN_DONT_KILL_APP = 1<<17; 372 373 static final int REMOVE_CHATTY = 1<<16; 374 375 private static final int[] EMPTY_INT_ARRAY = new int[0]; 376 377 /** 378 * Timeout (in milliseconds) after which the watchdog should declare that 379 * our handler thread is wedged. The usual default for such things is one 380 * minute but we sometimes do very lengthy I/O operations on this thread, 381 * such as installing multi-gigabyte applications, so ours needs to be longer. 382 */ 383 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 384 385 /** 386 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 387 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 388 * settings entry if available, otherwise we use the hardcoded default. If it's been 389 * more than this long since the last fstrim, we force one during the boot sequence. 390 * 391 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 392 * one gets run at the next available charging+idle time. This final mandatory 393 * no-fstrim check kicks in only of the other scheduling criteria is never met. 394 */ 395 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 396 397 /** 398 * Whether verification is enabled by default. 399 */ 400 private static final boolean DEFAULT_VERIFY_ENABLE = true; 401 402 /** 403 * The default maximum time to wait for the verification agent to return in 404 * milliseconds. 405 */ 406 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 407 408 /** 409 * The default response for package verification timeout. 410 * 411 * This can be either PackageManager.VERIFICATION_ALLOW or 412 * PackageManager.VERIFICATION_REJECT. 413 */ 414 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 415 416 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 417 418 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 419 DEFAULT_CONTAINER_PACKAGE, 420 "com.android.defcontainer.DefaultContainerService"); 421 422 private static final String KILL_APP_REASON_GIDS_CHANGED = 423 "permission grant or revoke changed gids"; 424 425 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 426 "permissions revoked"; 427 428 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 429 430 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 431 432 /** Permission grant: not grant the permission. */ 433 private static final int GRANT_DENIED = 1; 434 435 /** Permission grant: grant the permission as an install permission. */ 436 private static final int GRANT_INSTALL = 2; 437 438 /** Permission grant: grant the permission as a runtime one. */ 439 private static final int GRANT_RUNTIME = 3; 440 441 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 442 private static final int GRANT_UPGRADE = 4; 443 444 /** Canonical intent used to identify what counts as a "web browser" app */ 445 private static final Intent sBrowserIntent; 446 static { 447 sBrowserIntent = new Intent(); 448 sBrowserIntent.setAction(Intent.ACTION_VIEW); 449 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 450 sBrowserIntent.setData(Uri.parse("http:")); 451 } 452 453 /** 454 * The set of all protected actions [i.e. those actions for which a high priority 455 * intent filter is disallowed]. 456 */ 457 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 458 static { 459 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 460 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 461 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 462 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 463 } 464 465 // Compilation reasons. 466 public static final int REASON_FIRST_BOOT = 0; 467 public static final int REASON_BOOT = 1; 468 public static final int REASON_INSTALL = 2; 469 public static final int REASON_BACKGROUND_DEXOPT = 3; 470 public static final int REASON_AB_OTA = 4; 471 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 472 public static final int REASON_SHARED_APK = 6; 473 public static final int REASON_FORCED_DEXOPT = 7; 474 475 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 476 477 final ServiceThread mHandlerThread; 478 479 final PackageHandler mHandler; 480 481 private final ProcessLoggingHandler mProcessLoggingHandler; 482 483 /** 484 * Messages for {@link #mHandler} that need to wait for system ready before 485 * being dispatched. 486 */ 487 private ArrayList<Message> mPostSystemReadyMessages; 488 489 final int mSdkVersion = Build.VERSION.SDK_INT; 490 491 final Context mContext; 492 final boolean mFactoryTest; 493 final boolean mOnlyCore; 494 final DisplayMetrics mMetrics; 495 final int mDefParseFlags; 496 final String[] mSeparateProcesses; 497 final boolean mIsUpgrade; 498 final boolean mIsPreNUpgrade; 499 500 /** The location for ASEC container files on internal storage. */ 501 final String mAsecInternalPath; 502 503 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 504 // LOCK HELD. Can be called with mInstallLock held. 505 @GuardedBy("mInstallLock") 506 final Installer mInstaller; 507 508 /** Directory where installed third-party apps stored */ 509 final File mAppInstallDir; 510 final File mEphemeralInstallDir; 511 512 /** 513 * Directory to which applications installed internally have their 514 * 32 bit native libraries copied. 515 */ 516 private File mAppLib32InstallDir; 517 518 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 519 // apps. 520 final File mDrmAppPrivateInstallDir; 521 522 // ---------------------------------------------------------------- 523 524 // Lock for state used when installing and doing other long running 525 // operations. Methods that must be called with this lock held have 526 // the suffix "LI". 527 final Object mInstallLock = new Object(); 528 529 // ---------------------------------------------------------------- 530 531 // Keys are String (package name), values are Package. This also serves 532 // as the lock for the global state. Methods that must be called with 533 // this lock held have the prefix "LP". 534 @GuardedBy("mPackages") 535 final ArrayMap<String, PackageParser.Package> mPackages = 536 new ArrayMap<String, PackageParser.Package>(); 537 538 final ArrayMap<String, Set<String>> mKnownCodebase = 539 new ArrayMap<String, Set<String>>(); 540 541 // Tracks available target package names -> overlay package paths. 542 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 543 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 544 545 /** 546 * Tracks new system packages [received in an OTA] that we expect to 547 * find updated user-installed versions. Keys are package name, values 548 * are package location. 549 */ 550 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 551 /** 552 * Tracks high priority intent filters for protected actions. During boot, certain 553 * filter actions are protected and should never be allowed to have a high priority 554 * intent filter for them. However, there is one, and only one exception -- the 555 * setup wizard. It must be able to define a high priority intent filter for these 556 * actions to ensure there are no escapes from the wizard. We need to delay processing 557 * of these during boot as we need to look at all of the system packages in order 558 * to know which component is the setup wizard. 559 */ 560 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 561 /** 562 * Whether or not processing protected filters should be deferred. 563 */ 564 private boolean mDeferProtectedFilters = true; 565 566 /** 567 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 568 */ 569 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 570 /** 571 * Whether or not system app permissions should be promoted from install to runtime. 572 */ 573 boolean mPromoteSystemApps; 574 575 final Settings mSettings; 576 boolean mRestoredSettings; 577 578 // System configuration read by SystemConfig. 579 final int[] mGlobalGids; 580 final SparseArray<ArraySet<String>> mSystemPermissions; 581 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 582 583 // If mac_permissions.xml was found for seinfo labeling. 584 boolean mFoundPolicyFile; 585 586 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 587 588 public static final class SharedLibraryEntry { 589 public final String path; 590 public final String apk; 591 592 SharedLibraryEntry(String _path, String _apk) { 593 path = _path; 594 apk = _apk; 595 } 596 } 597 598 // Currently known shared libraries. 599 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 600 new ArrayMap<String, SharedLibraryEntry>(); 601 602 // All available activities, for your resolving pleasure. 603 final ActivityIntentResolver mActivities = 604 new ActivityIntentResolver(); 605 606 // All available receivers, for your resolving pleasure. 607 final ActivityIntentResolver mReceivers = 608 new ActivityIntentResolver(); 609 610 // All available services, for your resolving pleasure. 611 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 612 613 // All available providers, for your resolving pleasure. 614 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 615 616 // Mapping from provider base names (first directory in content URI codePath) 617 // to the provider information. 618 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 619 new ArrayMap<String, PackageParser.Provider>(); 620 621 // Mapping from instrumentation class names to info about them. 622 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 623 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 624 625 // Mapping from permission names to info about them. 626 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 627 new ArrayMap<String, PackageParser.PermissionGroup>(); 628 629 // Packages whose data we have transfered into another package, thus 630 // should no longer exist. 631 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 632 633 // Broadcast actions that are only available to the system. 634 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 635 636 /** List of packages waiting for verification. */ 637 final SparseArray<PackageVerificationState> mPendingVerification 638 = new SparseArray<PackageVerificationState>(); 639 640 /** Set of packages associated with each app op permission. */ 641 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 642 643 final PackageInstallerService mInstallerService; 644 645 private final PackageDexOptimizer mPackageDexOptimizer; 646 647 private AtomicInteger mNextMoveId = new AtomicInteger(); 648 private final MoveCallbacks mMoveCallbacks; 649 650 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 651 652 // Cache of users who need badging. 653 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 654 655 /** Token for keys in mPendingVerification. */ 656 private int mPendingVerificationToken = 0; 657 658 volatile boolean mSystemReady; 659 volatile boolean mSafeMode; 660 volatile boolean mHasSystemUidErrors; 661 662 ApplicationInfo mAndroidApplication; 663 final ActivityInfo mResolveActivity = new ActivityInfo(); 664 final ResolveInfo mResolveInfo = new ResolveInfo(); 665 ComponentName mResolveComponentName; 666 PackageParser.Package mPlatformPackage; 667 ComponentName mCustomResolverComponentName; 668 669 boolean mResolverReplaced = false; 670 671 private final @Nullable ComponentName mIntentFilterVerifierComponent; 672 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 673 674 private int mIntentFilterVerificationToken = 0; 675 676 /** Component that knows whether or not an ephemeral application exists */ 677 final ComponentName mEphemeralResolverComponent; 678 /** The service connection to the ephemeral resolver */ 679 final EphemeralResolverConnection mEphemeralResolverConnection; 680 681 /** Component used to install ephemeral applications */ 682 final ComponentName mEphemeralInstallerComponent; 683 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 684 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 685 686 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 687 = new SparseArray<IntentFilterVerificationState>(); 688 689 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 690 new DefaultPermissionGrantPolicy(this); 691 692 // List of packages names to keep cached, even if they are uninstalled for all users 693 private List<String> mKeepUninstalledPackages; 694 695 private static class IFVerificationParams { 696 PackageParser.Package pkg; 697 boolean replacing; 698 int userId; 699 int verifierUid; 700 701 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 702 int _userId, int _verifierUid) { 703 pkg = _pkg; 704 replacing = _replacing; 705 userId = _userId; 706 replacing = _replacing; 707 verifierUid = _verifierUid; 708 } 709 } 710 711 private interface IntentFilterVerifier<T extends IntentFilter> { 712 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 713 T filter, String packageName); 714 void startVerifications(int userId); 715 void receiveVerificationResponse(int verificationId); 716 } 717 718 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 719 private Context mContext; 720 private ComponentName mIntentFilterVerifierComponent; 721 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 722 723 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 724 mContext = context; 725 mIntentFilterVerifierComponent = verifierComponent; 726 } 727 728 private String getDefaultScheme() { 729 return IntentFilter.SCHEME_HTTPS; 730 } 731 732 @Override 733 public void startVerifications(int userId) { 734 // Launch verifications requests 735 int count = mCurrentIntentFilterVerifications.size(); 736 for (int n=0; n<count; n++) { 737 int verificationId = mCurrentIntentFilterVerifications.get(n); 738 final IntentFilterVerificationState ivs = 739 mIntentFilterVerificationStates.get(verificationId); 740 741 String packageName = ivs.getPackageName(); 742 743 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 744 final int filterCount = filters.size(); 745 ArraySet<String> domainsSet = new ArraySet<>(); 746 for (int m=0; m<filterCount; m++) { 747 PackageParser.ActivityIntentInfo filter = filters.get(m); 748 domainsSet.addAll(filter.getHostsList()); 749 } 750 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 751 synchronized (mPackages) { 752 if (mSettings.createIntentFilterVerificationIfNeededLPw( 753 packageName, domainsList) != null) { 754 scheduleWriteSettingsLocked(); 755 } 756 } 757 sendVerificationRequest(userId, verificationId, ivs); 758 } 759 mCurrentIntentFilterVerifications.clear(); 760 } 761 762 private void sendVerificationRequest(int userId, int verificationId, 763 IntentFilterVerificationState ivs) { 764 765 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 766 verificationIntent.putExtra( 767 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 768 verificationId); 769 verificationIntent.putExtra( 770 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 771 getDefaultScheme()); 772 verificationIntent.putExtra( 773 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 774 ivs.getHostsString()); 775 verificationIntent.putExtra( 776 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 777 ivs.getPackageName()); 778 verificationIntent.setComponent(mIntentFilterVerifierComponent); 779 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 780 781 UserHandle user = new UserHandle(userId); 782 mContext.sendBroadcastAsUser(verificationIntent, user); 783 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 784 "Sending IntentFilter verification broadcast"); 785 } 786 787 public void receiveVerificationResponse(int verificationId) { 788 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 789 790 final boolean verified = ivs.isVerified(); 791 792 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 793 final int count = filters.size(); 794 if (DEBUG_DOMAIN_VERIFICATION) { 795 Slog.i(TAG, "Received verification response " + verificationId 796 + " for " + count + " filters, verified=" + verified); 797 } 798 for (int n=0; n<count; n++) { 799 PackageParser.ActivityIntentInfo filter = filters.get(n); 800 filter.setVerified(verified); 801 802 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 803 + " verified with result:" + verified + " and hosts:" 804 + ivs.getHostsString()); 805 } 806 807 mIntentFilterVerificationStates.remove(verificationId); 808 809 final String packageName = ivs.getPackageName(); 810 IntentFilterVerificationInfo ivi = null; 811 812 synchronized (mPackages) { 813 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 814 } 815 if (ivi == null) { 816 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 817 + verificationId + " packageName:" + packageName); 818 return; 819 } 820 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 821 "Updating IntentFilterVerificationInfo for package " + packageName 822 +" verificationId:" + verificationId); 823 824 synchronized (mPackages) { 825 if (verified) { 826 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 827 } else { 828 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 829 } 830 scheduleWriteSettingsLocked(); 831 832 final int userId = ivs.getUserId(); 833 if (userId != UserHandle.USER_ALL) { 834 final int userStatus = 835 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 836 837 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 838 boolean needUpdate = false; 839 840 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 841 // already been set by the User thru the Disambiguation dialog 842 switch (userStatus) { 843 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 844 if (verified) { 845 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 846 } else { 847 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 848 } 849 needUpdate = true; 850 break; 851 852 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 853 if (verified) { 854 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 855 needUpdate = true; 856 } 857 break; 858 859 default: 860 // Nothing to do 861 } 862 863 if (needUpdate) { 864 mSettings.updateIntentFilterVerificationStatusLPw( 865 packageName, updatedStatus, userId); 866 scheduleWritePackageRestrictionsLocked(userId); 867 } 868 } 869 } 870 } 871 872 @Override 873 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 874 ActivityIntentInfo filter, String packageName) { 875 if (!hasValidDomains(filter)) { 876 return false; 877 } 878 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 879 if (ivs == null) { 880 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 881 packageName); 882 } 883 if (DEBUG_DOMAIN_VERIFICATION) { 884 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 885 } 886 ivs.addFilter(filter); 887 return true; 888 } 889 890 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 891 int userId, int verificationId, String packageName) { 892 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 893 verifierUid, userId, packageName); 894 ivs.setPendingState(); 895 synchronized (mPackages) { 896 mIntentFilterVerificationStates.append(verificationId, ivs); 897 mCurrentIntentFilterVerifications.add(verificationId); 898 } 899 return ivs; 900 } 901 } 902 903 private static boolean hasValidDomains(ActivityIntentInfo filter) { 904 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 905 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 906 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 907 } 908 909 // Set of pending broadcasts for aggregating enable/disable of components. 910 static class PendingPackageBroadcasts { 911 // for each user id, a map of <package name -> components within that package> 912 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 913 914 public PendingPackageBroadcasts() { 915 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 916 } 917 918 public ArrayList<String> get(int userId, String packageName) { 919 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 920 return packages.get(packageName); 921 } 922 923 public void put(int userId, String packageName, ArrayList<String> components) { 924 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 925 packages.put(packageName, components); 926 } 927 928 public void remove(int userId, String packageName) { 929 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 930 if (packages != null) { 931 packages.remove(packageName); 932 } 933 } 934 935 public void remove(int userId) { 936 mUidMap.remove(userId); 937 } 938 939 public int userIdCount() { 940 return mUidMap.size(); 941 } 942 943 public int userIdAt(int n) { 944 return mUidMap.keyAt(n); 945 } 946 947 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 948 return mUidMap.get(userId); 949 } 950 951 public int size() { 952 // total number of pending broadcast entries across all userIds 953 int num = 0; 954 for (int i = 0; i< mUidMap.size(); i++) { 955 num += mUidMap.valueAt(i).size(); 956 } 957 return num; 958 } 959 960 public void clear() { 961 mUidMap.clear(); 962 } 963 964 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 965 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 966 if (map == null) { 967 map = new ArrayMap<String, ArrayList<String>>(); 968 mUidMap.put(userId, map); 969 } 970 return map; 971 } 972 } 973 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 974 975 // Service Connection to remote media container service to copy 976 // package uri's from external media onto secure containers 977 // or internal storage. 978 private IMediaContainerService mContainerService = null; 979 980 static final int SEND_PENDING_BROADCAST = 1; 981 static final int MCS_BOUND = 3; 982 static final int END_COPY = 4; 983 static final int INIT_COPY = 5; 984 static final int MCS_UNBIND = 6; 985 static final int START_CLEANING_PACKAGE = 7; 986 static final int FIND_INSTALL_LOC = 8; 987 static final int POST_INSTALL = 9; 988 static final int MCS_RECONNECT = 10; 989 static final int MCS_GIVE_UP = 11; 990 static final int UPDATED_MEDIA_STATUS = 12; 991 static final int WRITE_SETTINGS = 13; 992 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 993 static final int PACKAGE_VERIFIED = 15; 994 static final int CHECK_PENDING_VERIFICATION = 16; 995 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 996 static final int INTENT_FILTER_VERIFIED = 18; 997 998 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 999 1000 // Delay time in millisecs 1001 static final int BROADCAST_DELAY = 10 * 1000; 1002 1003 static UserManagerService sUserManager; 1004 1005 // Stores a list of users whose package restrictions file needs to be updated 1006 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1007 1008 final private DefaultContainerConnection mDefContainerConn = 1009 new DefaultContainerConnection(); 1010 class DefaultContainerConnection implements ServiceConnection { 1011 public void onServiceConnected(ComponentName name, IBinder service) { 1012 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1013 IMediaContainerService imcs = 1014 IMediaContainerService.Stub.asInterface(service); 1015 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1016 } 1017 1018 public void onServiceDisconnected(ComponentName name) { 1019 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1020 } 1021 } 1022 1023 // Recordkeeping of restore-after-install operations that are currently in flight 1024 // between the Package Manager and the Backup Manager 1025 static class PostInstallData { 1026 public InstallArgs args; 1027 public PackageInstalledInfo res; 1028 1029 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1030 args = _a; 1031 res = _r; 1032 } 1033 } 1034 1035 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1036 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1037 1038 // XML tags for backup/restore of various bits of state 1039 private static final String TAG_PREFERRED_BACKUP = "pa"; 1040 private static final String TAG_DEFAULT_APPS = "da"; 1041 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1042 1043 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1044 private static final String TAG_ALL_GRANTS = "rt-grants"; 1045 private static final String TAG_GRANT = "grant"; 1046 private static final String ATTR_PACKAGE_NAME = "pkg"; 1047 1048 private static final String TAG_PERMISSION = "perm"; 1049 private static final String ATTR_PERMISSION_NAME = "name"; 1050 private static final String ATTR_IS_GRANTED = "g"; 1051 private static final String ATTR_USER_SET = "set"; 1052 private static final String ATTR_USER_FIXED = "fixed"; 1053 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1054 1055 // System/policy permission grants are not backed up 1056 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1057 FLAG_PERMISSION_POLICY_FIXED 1058 | FLAG_PERMISSION_SYSTEM_FIXED 1059 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1060 1061 // And we back up these user-adjusted states 1062 private static final int USER_RUNTIME_GRANT_MASK = 1063 FLAG_PERMISSION_USER_SET 1064 | FLAG_PERMISSION_USER_FIXED 1065 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1066 1067 final @Nullable String mRequiredVerifierPackage; 1068 final @Nullable String mRequiredInstallerPackage; 1069 final @Nullable String mSetupWizardPackage; 1070 1071 private final PackageUsage mPackageUsage = new PackageUsage(); 1072 1073 private class PackageUsage { 1074 private static final int WRITE_INTERVAL 1075 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1076 1077 private final Object mFileLock = new Object(); 1078 private final AtomicLong mLastWritten = new AtomicLong(0); 1079 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1080 1081 private boolean mIsHistoricalPackageUsageAvailable = true; 1082 1083 boolean isHistoricalPackageUsageAvailable() { 1084 return mIsHistoricalPackageUsageAvailable; 1085 } 1086 1087 void write(boolean force) { 1088 if (force) { 1089 writeInternal(); 1090 return; 1091 } 1092 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1093 && !DEBUG_DEXOPT) { 1094 return; 1095 } 1096 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1097 new Thread("PackageUsage_DiskWriter") { 1098 @Override 1099 public void run() { 1100 try { 1101 writeInternal(); 1102 } finally { 1103 mBackgroundWriteRunning.set(false); 1104 } 1105 } 1106 }.start(); 1107 } 1108 } 1109 1110 private void writeInternal() { 1111 synchronized (mPackages) { 1112 synchronized (mFileLock) { 1113 AtomicFile file = getFile(); 1114 FileOutputStream f = null; 1115 try { 1116 f = file.startWrite(); 1117 BufferedOutputStream out = new BufferedOutputStream(f); 1118 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1119 StringBuilder sb = new StringBuilder(); 1120 for (PackageParser.Package pkg : mPackages.values()) { 1121 if (pkg.mLastPackageUsageTimeInMills == 0) { 1122 continue; 1123 } 1124 sb.setLength(0); 1125 sb.append(pkg.packageName); 1126 sb.append(' '); 1127 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1128 sb.append('\n'); 1129 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1130 } 1131 out.flush(); 1132 file.finishWrite(f); 1133 } catch (IOException e) { 1134 if (f != null) { 1135 file.failWrite(f); 1136 } 1137 Log.e(TAG, "Failed to write package usage times", e); 1138 } 1139 } 1140 } 1141 mLastWritten.set(SystemClock.elapsedRealtime()); 1142 } 1143 1144 void readLP() { 1145 synchronized (mFileLock) { 1146 AtomicFile file = getFile(); 1147 BufferedInputStream in = null; 1148 try { 1149 in = new BufferedInputStream(file.openRead()); 1150 StringBuffer sb = new StringBuffer(); 1151 while (true) { 1152 String packageName = readToken(in, sb, ' '); 1153 if (packageName == null) { 1154 break; 1155 } 1156 String timeInMillisString = readToken(in, sb, '\n'); 1157 if (timeInMillisString == null) { 1158 throw new IOException("Failed to find last usage time for package " 1159 + packageName); 1160 } 1161 PackageParser.Package pkg = mPackages.get(packageName); 1162 if (pkg == null) { 1163 continue; 1164 } 1165 long timeInMillis; 1166 try { 1167 timeInMillis = Long.parseLong(timeInMillisString); 1168 } catch (NumberFormatException e) { 1169 throw new IOException("Failed to parse " + timeInMillisString 1170 + " as a long.", e); 1171 } 1172 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1173 } 1174 } catch (FileNotFoundException expected) { 1175 mIsHistoricalPackageUsageAvailable = false; 1176 } catch (IOException e) { 1177 Log.w(TAG, "Failed to read package usage times", e); 1178 } finally { 1179 IoUtils.closeQuietly(in); 1180 } 1181 } 1182 mLastWritten.set(SystemClock.elapsedRealtime()); 1183 } 1184 1185 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1186 throws IOException { 1187 sb.setLength(0); 1188 while (true) { 1189 int ch = in.read(); 1190 if (ch == -1) { 1191 if (sb.length() == 0) { 1192 return null; 1193 } 1194 throw new IOException("Unexpected EOF"); 1195 } 1196 if (ch == endOfToken) { 1197 return sb.toString(); 1198 } 1199 sb.append((char)ch); 1200 } 1201 } 1202 1203 private AtomicFile getFile() { 1204 File dataDir = Environment.getDataDirectory(); 1205 File systemDir = new File(dataDir, "system"); 1206 File fname = new File(systemDir, "package-usage.list"); 1207 return new AtomicFile(fname); 1208 } 1209 } 1210 1211 class PackageHandler extends Handler { 1212 private boolean mBound = false; 1213 final ArrayList<HandlerParams> mPendingInstalls = 1214 new ArrayList<HandlerParams>(); 1215 1216 private boolean connectToService() { 1217 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1218 " DefaultContainerService"); 1219 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1220 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1221 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1222 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1223 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1224 mBound = true; 1225 return true; 1226 } 1227 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1228 return false; 1229 } 1230 1231 private void disconnectService() { 1232 mContainerService = null; 1233 mBound = false; 1234 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1235 mContext.unbindService(mDefContainerConn); 1236 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1237 } 1238 1239 PackageHandler(Looper looper) { 1240 super(looper); 1241 } 1242 1243 public void handleMessage(Message msg) { 1244 try { 1245 doHandleMessage(msg); 1246 } finally { 1247 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1248 } 1249 } 1250 1251 void doHandleMessage(Message msg) { 1252 switch (msg.what) { 1253 case INIT_COPY: { 1254 HandlerParams params = (HandlerParams) msg.obj; 1255 int idx = mPendingInstalls.size(); 1256 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1257 // If a bind was already initiated we dont really 1258 // need to do anything. The pending install 1259 // will be processed later on. 1260 if (!mBound) { 1261 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1262 System.identityHashCode(mHandler)); 1263 // If this is the only one pending we might 1264 // have to bind to the service again. 1265 if (!connectToService()) { 1266 Slog.e(TAG, "Failed to bind to media container service"); 1267 params.serviceError(); 1268 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1269 System.identityHashCode(mHandler)); 1270 if (params.traceMethod != null) { 1271 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1272 params.traceCookie); 1273 } 1274 return; 1275 } else { 1276 // Once we bind to the service, the first 1277 // pending request will be processed. 1278 mPendingInstalls.add(idx, params); 1279 } 1280 } else { 1281 mPendingInstalls.add(idx, params); 1282 // Already bound to the service. Just make 1283 // sure we trigger off processing the first request. 1284 if (idx == 0) { 1285 mHandler.sendEmptyMessage(MCS_BOUND); 1286 } 1287 } 1288 break; 1289 } 1290 case MCS_BOUND: { 1291 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1292 if (msg.obj != null) { 1293 mContainerService = (IMediaContainerService) msg.obj; 1294 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1295 System.identityHashCode(mHandler)); 1296 } 1297 if (mContainerService == null) { 1298 if (!mBound) { 1299 // Something seriously wrong since we are not bound and we are not 1300 // waiting for connection. Bail out. 1301 Slog.e(TAG, "Cannot bind to media container service"); 1302 for (HandlerParams params : mPendingInstalls) { 1303 // Indicate service bind error 1304 params.serviceError(); 1305 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1306 System.identityHashCode(params)); 1307 if (params.traceMethod != null) { 1308 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1309 params.traceMethod, params.traceCookie); 1310 } 1311 return; 1312 } 1313 mPendingInstalls.clear(); 1314 } else { 1315 Slog.w(TAG, "Waiting to connect to media container service"); 1316 } 1317 } else if (mPendingInstalls.size() > 0) { 1318 HandlerParams params = mPendingInstalls.get(0); 1319 if (params != null) { 1320 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1321 System.identityHashCode(params)); 1322 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1323 if (params.startCopy()) { 1324 // We are done... look for more work or to 1325 // go idle. 1326 if (DEBUG_SD_INSTALL) Log.i(TAG, 1327 "Checking for more work or unbind..."); 1328 // Delete pending install 1329 if (mPendingInstalls.size() > 0) { 1330 mPendingInstalls.remove(0); 1331 } 1332 if (mPendingInstalls.size() == 0) { 1333 if (mBound) { 1334 if (DEBUG_SD_INSTALL) Log.i(TAG, 1335 "Posting delayed MCS_UNBIND"); 1336 removeMessages(MCS_UNBIND); 1337 Message ubmsg = obtainMessage(MCS_UNBIND); 1338 // Unbind after a little delay, to avoid 1339 // continual thrashing. 1340 sendMessageDelayed(ubmsg, 10000); 1341 } 1342 } else { 1343 // There are more pending requests in queue. 1344 // Just post MCS_BOUND message to trigger processing 1345 // of next pending install. 1346 if (DEBUG_SD_INSTALL) Log.i(TAG, 1347 "Posting MCS_BOUND for next work"); 1348 mHandler.sendEmptyMessage(MCS_BOUND); 1349 } 1350 } 1351 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1352 } 1353 } else { 1354 // Should never happen ideally. 1355 Slog.w(TAG, "Empty queue"); 1356 } 1357 break; 1358 } 1359 case MCS_RECONNECT: { 1360 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1361 if (mPendingInstalls.size() > 0) { 1362 if (mBound) { 1363 disconnectService(); 1364 } 1365 if (!connectToService()) { 1366 Slog.e(TAG, "Failed to bind to media container service"); 1367 for (HandlerParams params : mPendingInstalls) { 1368 // Indicate service bind error 1369 params.serviceError(); 1370 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1371 System.identityHashCode(params)); 1372 } 1373 mPendingInstalls.clear(); 1374 } 1375 } 1376 break; 1377 } 1378 case MCS_UNBIND: { 1379 // If there is no actual work left, then time to unbind. 1380 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1381 1382 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1383 if (mBound) { 1384 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1385 1386 disconnectService(); 1387 } 1388 } else if (mPendingInstalls.size() > 0) { 1389 // There are more pending requests in queue. 1390 // Just post MCS_BOUND message to trigger processing 1391 // of next pending install. 1392 mHandler.sendEmptyMessage(MCS_BOUND); 1393 } 1394 1395 break; 1396 } 1397 case MCS_GIVE_UP: { 1398 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1399 HandlerParams params = mPendingInstalls.remove(0); 1400 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1401 System.identityHashCode(params)); 1402 break; 1403 } 1404 case SEND_PENDING_BROADCAST: { 1405 String packages[]; 1406 ArrayList<String> components[]; 1407 int size = 0; 1408 int uids[]; 1409 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1410 synchronized (mPackages) { 1411 if (mPendingBroadcasts == null) { 1412 return; 1413 } 1414 size = mPendingBroadcasts.size(); 1415 if (size <= 0) { 1416 // Nothing to be done. Just return 1417 return; 1418 } 1419 packages = new String[size]; 1420 components = new ArrayList[size]; 1421 uids = new int[size]; 1422 int i = 0; // filling out the above arrays 1423 1424 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1425 int packageUserId = mPendingBroadcasts.userIdAt(n); 1426 Iterator<Map.Entry<String, ArrayList<String>>> it 1427 = mPendingBroadcasts.packagesForUserId(packageUserId) 1428 .entrySet().iterator(); 1429 while (it.hasNext() && i < size) { 1430 Map.Entry<String, ArrayList<String>> ent = it.next(); 1431 packages[i] = ent.getKey(); 1432 components[i] = ent.getValue(); 1433 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1434 uids[i] = (ps != null) 1435 ? UserHandle.getUid(packageUserId, ps.appId) 1436 : -1; 1437 i++; 1438 } 1439 } 1440 size = i; 1441 mPendingBroadcasts.clear(); 1442 } 1443 // Send broadcasts 1444 for (int i = 0; i < size; i++) { 1445 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1446 } 1447 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1448 break; 1449 } 1450 case START_CLEANING_PACKAGE: { 1451 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1452 final String packageName = (String)msg.obj; 1453 final int userId = msg.arg1; 1454 final boolean andCode = msg.arg2 != 0; 1455 synchronized (mPackages) { 1456 if (userId == UserHandle.USER_ALL) { 1457 int[] users = sUserManager.getUserIds(); 1458 for (int user : users) { 1459 mSettings.addPackageToCleanLPw( 1460 new PackageCleanItem(user, packageName, andCode)); 1461 } 1462 } else { 1463 mSettings.addPackageToCleanLPw( 1464 new PackageCleanItem(userId, packageName, andCode)); 1465 } 1466 } 1467 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1468 startCleaningPackages(); 1469 } break; 1470 case POST_INSTALL: { 1471 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1472 1473 PostInstallData data = mRunningInstalls.get(msg.arg1); 1474 mRunningInstalls.delete(msg.arg1); 1475 1476 if (data != null) { 1477 InstallArgs args = data.args; 1478 PackageInstalledInfo parentRes = data.res; 1479 1480 final boolean grantPermissions = (args.installFlags 1481 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1482 final boolean killApp = (args.installFlags 1483 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1484 final String[] grantedPermissions = args.installGrantPermissions; 1485 1486 // Handle the parent package 1487 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1488 grantedPermissions, args.observer); 1489 1490 // Handle the child packages 1491 final int childCount = (parentRes.addedChildPackages != null) 1492 ? parentRes.addedChildPackages.size() : 0; 1493 for (int i = 0; i < childCount; i++) { 1494 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1495 handlePackagePostInstall(childRes, grantPermissions, killApp, 1496 grantedPermissions, args.observer); 1497 } 1498 1499 // Log tracing if needed 1500 if (args.traceMethod != null) { 1501 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1502 args.traceCookie); 1503 } 1504 } else { 1505 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1506 } 1507 1508 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1509 } break; 1510 case UPDATED_MEDIA_STATUS: { 1511 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1512 boolean reportStatus = msg.arg1 == 1; 1513 boolean doGc = msg.arg2 == 1; 1514 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1515 if (doGc) { 1516 // Force a gc to clear up stale containers. 1517 Runtime.getRuntime().gc(); 1518 } 1519 if (msg.obj != null) { 1520 @SuppressWarnings("unchecked") 1521 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1522 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1523 // Unload containers 1524 unloadAllContainers(args); 1525 } 1526 if (reportStatus) { 1527 try { 1528 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1529 PackageHelper.getMountService().finishMediaUpdate(); 1530 } catch (RemoteException e) { 1531 Log.e(TAG, "MountService not running?"); 1532 } 1533 } 1534 } break; 1535 case WRITE_SETTINGS: { 1536 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1537 synchronized (mPackages) { 1538 removeMessages(WRITE_SETTINGS); 1539 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1540 mSettings.writeLPr(); 1541 mDirtyUsers.clear(); 1542 } 1543 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1544 } break; 1545 case WRITE_PACKAGE_RESTRICTIONS: { 1546 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1547 synchronized (mPackages) { 1548 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1549 for (int userId : mDirtyUsers) { 1550 mSettings.writePackageRestrictionsLPr(userId); 1551 } 1552 mDirtyUsers.clear(); 1553 } 1554 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1555 } break; 1556 case CHECK_PENDING_VERIFICATION: { 1557 final int verificationId = msg.arg1; 1558 final PackageVerificationState state = mPendingVerification.get(verificationId); 1559 1560 if ((state != null) && !state.timeoutExtended()) { 1561 final InstallArgs args = state.getInstallArgs(); 1562 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1563 1564 Slog.i(TAG, "Verification timed out for " + originUri); 1565 mPendingVerification.remove(verificationId); 1566 1567 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1568 1569 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1570 Slog.i(TAG, "Continuing with installation of " + originUri); 1571 state.setVerifierResponse(Binder.getCallingUid(), 1572 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1573 broadcastPackageVerified(verificationId, originUri, 1574 PackageManager.VERIFICATION_ALLOW, 1575 state.getInstallArgs().getUser()); 1576 try { 1577 ret = args.copyApk(mContainerService, true); 1578 } catch (RemoteException e) { 1579 Slog.e(TAG, "Could not contact the ContainerService"); 1580 } 1581 } else { 1582 broadcastPackageVerified(verificationId, originUri, 1583 PackageManager.VERIFICATION_REJECT, 1584 state.getInstallArgs().getUser()); 1585 } 1586 1587 Trace.asyncTraceEnd( 1588 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1589 1590 processPendingInstall(args, ret); 1591 mHandler.sendEmptyMessage(MCS_UNBIND); 1592 } 1593 break; 1594 } 1595 case PACKAGE_VERIFIED: { 1596 final int verificationId = msg.arg1; 1597 1598 final PackageVerificationState state = mPendingVerification.get(verificationId); 1599 if (state == null) { 1600 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1601 break; 1602 } 1603 1604 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1605 1606 state.setVerifierResponse(response.callerUid, response.code); 1607 1608 if (state.isVerificationComplete()) { 1609 mPendingVerification.remove(verificationId); 1610 1611 final InstallArgs args = state.getInstallArgs(); 1612 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1613 1614 int ret; 1615 if (state.isInstallAllowed()) { 1616 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1617 broadcastPackageVerified(verificationId, originUri, 1618 response.code, state.getInstallArgs().getUser()); 1619 try { 1620 ret = args.copyApk(mContainerService, true); 1621 } catch (RemoteException e) { 1622 Slog.e(TAG, "Could not contact the ContainerService"); 1623 } 1624 } else { 1625 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1626 } 1627 1628 Trace.asyncTraceEnd( 1629 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1630 1631 processPendingInstall(args, ret); 1632 mHandler.sendEmptyMessage(MCS_UNBIND); 1633 } 1634 1635 break; 1636 } 1637 case START_INTENT_FILTER_VERIFICATIONS: { 1638 IFVerificationParams params = (IFVerificationParams) msg.obj; 1639 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1640 params.replacing, params.pkg); 1641 break; 1642 } 1643 case INTENT_FILTER_VERIFIED: { 1644 final int verificationId = msg.arg1; 1645 1646 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1647 verificationId); 1648 if (state == null) { 1649 Slog.w(TAG, "Invalid IntentFilter verification token " 1650 + verificationId + " received"); 1651 break; 1652 } 1653 1654 final int userId = state.getUserId(); 1655 1656 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1657 "Processing IntentFilter verification with token:" 1658 + verificationId + " and userId:" + userId); 1659 1660 final IntentFilterVerificationResponse response = 1661 (IntentFilterVerificationResponse) msg.obj; 1662 1663 state.setVerifierResponse(response.callerUid, response.code); 1664 1665 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1666 "IntentFilter verification with token:" + verificationId 1667 + " and userId:" + userId 1668 + " is settings verifier response with response code:" 1669 + response.code); 1670 1671 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1672 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1673 + response.getFailedDomainsString()); 1674 } 1675 1676 if (state.isVerificationComplete()) { 1677 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1678 } else { 1679 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1680 "IntentFilter verification with token:" + verificationId 1681 + " was not said to be complete"); 1682 } 1683 1684 break; 1685 } 1686 } 1687 } 1688 } 1689 1690 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1691 boolean killApp, String[] grantedPermissions, 1692 IPackageInstallObserver2 installObserver) { 1693 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1694 // Send the removed broadcasts 1695 if (res.removedInfo != null) { 1696 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1697 } 1698 1699 // Now that we successfully installed the package, grant runtime 1700 // permissions if requested before broadcasting the install. 1701 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1702 >= Build.VERSION_CODES.M) { 1703 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1704 } 1705 1706 final boolean update = res.removedInfo != null 1707 && res.removedInfo.removedPackage != null; 1708 1709 // If this is the first time we have child packages for a disabled privileged 1710 // app that had no children, we grant requested runtime permissions to the new 1711 // children if the parent on the system image had them already granted. 1712 if (res.pkg.parentPackage != null) { 1713 synchronized (mPackages) { 1714 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1715 } 1716 } 1717 1718 synchronized (mPackages) { 1719 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1720 } 1721 1722 final String packageName = res.pkg.applicationInfo.packageName; 1723 Bundle extras = new Bundle(1); 1724 extras.putInt(Intent.EXTRA_UID, res.uid); 1725 1726 // Determine the set of users who are adding this package for 1727 // the first time vs. those who are seeing an update. 1728 int[] firstUsers = EMPTY_INT_ARRAY; 1729 int[] updateUsers = EMPTY_INT_ARRAY; 1730 if (res.origUsers == null || res.origUsers.length == 0) { 1731 firstUsers = res.newUsers; 1732 } else { 1733 for (int newUser : res.newUsers) { 1734 boolean isNew = true; 1735 for (int origUser : res.origUsers) { 1736 if (origUser == newUser) { 1737 isNew = false; 1738 break; 1739 } 1740 } 1741 if (isNew) { 1742 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1743 } else { 1744 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1745 } 1746 } 1747 } 1748 1749 // Send installed broadcasts if the install/update is not ephemeral 1750 if (!isEphemeral(res.pkg)) { 1751 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1752 1753 // Send added for users that see the package for the first time 1754 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1755 extras, 0 /*flags*/, null /*targetPackage*/, 1756 null /*finishedReceiver*/, firstUsers); 1757 1758 // Send added for users that don't see the package for the first time 1759 if (update) { 1760 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1761 } 1762 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1763 extras, 0 /*flags*/, null /*targetPackage*/, 1764 null /*finishedReceiver*/, updateUsers); 1765 1766 // Send replaced for users that don't see the package for the first time 1767 if (update) { 1768 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1769 packageName, extras, 0 /*flags*/, 1770 null /*targetPackage*/, null /*finishedReceiver*/, 1771 updateUsers); 1772 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1773 null /*package*/, null /*extras*/, 0 /*flags*/, 1774 packageName /*targetPackage*/, 1775 null /*finishedReceiver*/, updateUsers); 1776 } 1777 1778 // Send broadcast package appeared if forward locked/external for all users 1779 // treat asec-hosted packages like removable media on upgrade 1780 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1781 if (DEBUG_INSTALL) { 1782 Slog.i(TAG, "upgrading pkg " + res.pkg 1783 + " is ASEC-hosted -> AVAILABLE"); 1784 } 1785 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1786 ArrayList<String> pkgList = new ArrayList<>(1); 1787 pkgList.add(packageName); 1788 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1789 } 1790 } 1791 1792 // Work that needs to happen on first install within each user 1793 if (firstUsers != null && firstUsers.length > 0) { 1794 synchronized (mPackages) { 1795 for (int userId : firstUsers) { 1796 // If this app is a browser and it's newly-installed for some 1797 // users, clear any default-browser state in those users. The 1798 // app's nature doesn't depend on the user, so we can just check 1799 // its browser nature in any user and generalize. 1800 if (packageIsBrowser(packageName, userId)) { 1801 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1802 } 1803 1804 // We may also need to apply pending (restored) runtime 1805 // permission grants within these users. 1806 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1807 } 1808 } 1809 } 1810 1811 // Log current value of "unknown sources" setting 1812 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1813 getUnknownSourcesSettings()); 1814 1815 // Force a gc to clear up things 1816 Runtime.getRuntime().gc(); 1817 1818 // Remove the replaced package's older resources safely now 1819 // We delete after a gc for applications on sdcard. 1820 if (res.removedInfo != null && res.removedInfo.args != null) { 1821 synchronized (mInstallLock) { 1822 res.removedInfo.args.doPostDeleteLI(true); 1823 } 1824 } 1825 } 1826 1827 // If someone is watching installs - notify them 1828 if (installObserver != null) { 1829 try { 1830 Bundle extras = extrasForInstallResult(res); 1831 installObserver.onPackageInstalled(res.name, res.returnCode, 1832 res.returnMsg, extras); 1833 } catch (RemoteException e) { 1834 Slog.i(TAG, "Observer no longer exists."); 1835 } 1836 } 1837 } 1838 1839 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1840 PackageParser.Package pkg) { 1841 if (pkg.parentPackage == null) { 1842 return; 1843 } 1844 if (pkg.requestedPermissions == null) { 1845 return; 1846 } 1847 final PackageSetting disabledSysParentPs = mSettings 1848 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1849 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1850 || !disabledSysParentPs.isPrivileged() 1851 || (disabledSysParentPs.childPackageNames != null 1852 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1853 return; 1854 } 1855 final int[] allUserIds = sUserManager.getUserIds(); 1856 final int permCount = pkg.requestedPermissions.size(); 1857 for (int i = 0; i < permCount; i++) { 1858 String permission = pkg.requestedPermissions.get(i); 1859 BasePermission bp = mSettings.mPermissions.get(permission); 1860 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1861 continue; 1862 } 1863 for (int userId : allUserIds) { 1864 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1865 permission, userId)) { 1866 grantRuntimePermission(pkg.packageName, permission, userId); 1867 } 1868 } 1869 } 1870 } 1871 1872 private StorageEventListener mStorageListener = new StorageEventListener() { 1873 @Override 1874 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1875 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1876 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1877 final String volumeUuid = vol.getFsUuid(); 1878 1879 // Clean up any users or apps that were removed or recreated 1880 // while this volume was missing 1881 reconcileUsers(volumeUuid); 1882 reconcileApps(volumeUuid); 1883 1884 // Clean up any install sessions that expired or were 1885 // cancelled while this volume was missing 1886 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1887 1888 loadPrivatePackages(vol); 1889 1890 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1891 unloadPrivatePackages(vol); 1892 } 1893 } 1894 1895 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1896 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1897 updateExternalMediaStatus(true, false); 1898 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1899 updateExternalMediaStatus(false, false); 1900 } 1901 } 1902 } 1903 1904 @Override 1905 public void onVolumeForgotten(String fsUuid) { 1906 if (TextUtils.isEmpty(fsUuid)) { 1907 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1908 return; 1909 } 1910 1911 // Remove any apps installed on the forgotten volume 1912 synchronized (mPackages) { 1913 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1914 for (PackageSetting ps : packages) { 1915 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1916 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1917 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1918 } 1919 1920 mSettings.onVolumeForgotten(fsUuid); 1921 mSettings.writeLPr(); 1922 } 1923 } 1924 }; 1925 1926 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1927 String[] grantedPermissions) { 1928 for (int userId : userIds) { 1929 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1930 } 1931 1932 // We could have touched GID membership, so flush out packages.list 1933 synchronized (mPackages) { 1934 mSettings.writePackageListLPr(); 1935 } 1936 } 1937 1938 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1939 String[] grantedPermissions) { 1940 SettingBase sb = (SettingBase) pkg.mExtras; 1941 if (sb == null) { 1942 return; 1943 } 1944 1945 PermissionsState permissionsState = sb.getPermissionsState(); 1946 1947 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1948 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1949 1950 synchronized (mPackages) { 1951 for (String permission : pkg.requestedPermissions) { 1952 BasePermission bp = mSettings.mPermissions.get(permission); 1953 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1954 && (grantedPermissions == null 1955 || ArrayUtils.contains(grantedPermissions, permission))) { 1956 final int flags = permissionsState.getPermissionFlags(permission, userId); 1957 // Installer cannot change immutable permissions. 1958 if ((flags & immutableFlags) == 0) { 1959 grantRuntimePermission(pkg.packageName, permission, userId); 1960 } 1961 } 1962 } 1963 } 1964 } 1965 1966 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1967 Bundle extras = null; 1968 switch (res.returnCode) { 1969 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1970 extras = new Bundle(); 1971 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1972 res.origPermission); 1973 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1974 res.origPackage); 1975 break; 1976 } 1977 case PackageManager.INSTALL_SUCCEEDED: { 1978 extras = new Bundle(); 1979 extras.putBoolean(Intent.EXTRA_REPLACING, 1980 res.removedInfo != null && res.removedInfo.removedPackage != null); 1981 break; 1982 } 1983 } 1984 return extras; 1985 } 1986 1987 void scheduleWriteSettingsLocked() { 1988 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1989 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1990 } 1991 } 1992 1993 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1994 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1995 scheduleWritePackageRestrictionsLocked(userId); 1996 } 1997 1998 void scheduleWritePackageRestrictionsLocked(int userId) { 1999 final int[] userIds = (userId == UserHandle.USER_ALL) 2000 ? sUserManager.getUserIds() : new int[]{userId}; 2001 for (int nextUserId : userIds) { 2002 if (!sUserManager.exists(nextUserId)) return; 2003 mDirtyUsers.add(nextUserId); 2004 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2005 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2006 } 2007 } 2008 } 2009 2010 public static PackageManagerService main(Context context, Installer installer, 2011 boolean factoryTest, boolean onlyCore) { 2012 // Self-check for initial settings. 2013 PackageManagerServiceCompilerMapping.checkProperties(); 2014 2015 PackageManagerService m = new PackageManagerService(context, installer, 2016 factoryTest, onlyCore); 2017 m.enableSystemUserPackages(); 2018 ServiceManager.addService("package", m); 2019 return m; 2020 } 2021 2022 private void enableSystemUserPackages() { 2023 if (!UserManager.isSplitSystemUser()) { 2024 return; 2025 } 2026 // For system user, enable apps based on the following conditions: 2027 // - app is whitelisted or belong to one of these groups: 2028 // -- system app which has no launcher icons 2029 // -- system app which has INTERACT_ACROSS_USERS permission 2030 // -- system IME app 2031 // - app is not in the blacklist 2032 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2033 Set<String> enableApps = new ArraySet<>(); 2034 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2035 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2036 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2037 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2038 enableApps.addAll(wlApps); 2039 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2040 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2041 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2042 enableApps.removeAll(blApps); 2043 Log.i(TAG, "Applications installed for system user: " + enableApps); 2044 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2045 UserHandle.SYSTEM); 2046 final int allAppsSize = allAps.size(); 2047 synchronized (mPackages) { 2048 for (int i = 0; i < allAppsSize; i++) { 2049 String pName = allAps.get(i); 2050 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2051 // Should not happen, but we shouldn't be failing if it does 2052 if (pkgSetting == null) { 2053 continue; 2054 } 2055 boolean install = enableApps.contains(pName); 2056 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2057 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2058 + " for system user"); 2059 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2060 } 2061 } 2062 } 2063 } 2064 2065 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2066 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2067 Context.DISPLAY_SERVICE); 2068 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2069 } 2070 2071 public PackageManagerService(Context context, Installer installer, 2072 boolean factoryTest, boolean onlyCore) { 2073 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2074 SystemClock.uptimeMillis()); 2075 2076 if (mSdkVersion <= 0) { 2077 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2078 } 2079 2080 mContext = context; 2081 mFactoryTest = factoryTest; 2082 mOnlyCore = onlyCore; 2083 mMetrics = new DisplayMetrics(); 2084 mSettings = new Settings(mPackages); 2085 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2086 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2087 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2088 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2089 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2090 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2091 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2092 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2093 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2094 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2095 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2096 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2097 2098 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2099 if (separateProcesses != null && separateProcesses.length() > 0) { 2100 if ("*".equals(separateProcesses)) { 2101 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2102 mSeparateProcesses = null; 2103 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2104 } else { 2105 mDefParseFlags = 0; 2106 mSeparateProcesses = separateProcesses.split(","); 2107 Slog.w(TAG, "Running with debug.separate_processes: " 2108 + separateProcesses); 2109 } 2110 } else { 2111 mDefParseFlags = 0; 2112 mSeparateProcesses = null; 2113 } 2114 2115 mInstaller = installer; 2116 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2117 "*dexopt*"); 2118 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2119 2120 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2121 FgThread.get().getLooper()); 2122 2123 getDefaultDisplayMetrics(context, mMetrics); 2124 2125 SystemConfig systemConfig = SystemConfig.getInstance(); 2126 mGlobalGids = systemConfig.getGlobalGids(); 2127 mSystemPermissions = systemConfig.getSystemPermissions(); 2128 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2129 2130 synchronized (mInstallLock) { 2131 // writer 2132 synchronized (mPackages) { 2133 mHandlerThread = new ServiceThread(TAG, 2134 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2135 mHandlerThread.start(); 2136 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2137 mProcessLoggingHandler = new ProcessLoggingHandler(); 2138 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2139 2140 File dataDir = Environment.getDataDirectory(); 2141 mAppInstallDir = new File(dataDir, "app"); 2142 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2143 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2144 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2145 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2146 2147 sUserManager = new UserManagerService(context, this, mPackages); 2148 2149 // Propagate permission configuration in to package manager. 2150 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2151 = systemConfig.getPermissions(); 2152 for (int i=0; i<permConfig.size(); i++) { 2153 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2154 BasePermission bp = mSettings.mPermissions.get(perm.name); 2155 if (bp == null) { 2156 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2157 mSettings.mPermissions.put(perm.name, bp); 2158 } 2159 if (perm.gids != null) { 2160 bp.setGids(perm.gids, perm.perUser); 2161 } 2162 } 2163 2164 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2165 for (int i=0; i<libConfig.size(); i++) { 2166 mSharedLibraries.put(libConfig.keyAt(i), 2167 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2168 } 2169 2170 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2171 2172 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2173 2174 String customResolverActivity = Resources.getSystem().getString( 2175 R.string.config_customResolverActivity); 2176 if (TextUtils.isEmpty(customResolverActivity)) { 2177 customResolverActivity = null; 2178 } else { 2179 mCustomResolverComponentName = ComponentName.unflattenFromString( 2180 customResolverActivity); 2181 } 2182 2183 long startTime = SystemClock.uptimeMillis(); 2184 2185 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2186 startTime); 2187 2188 // Set flag to monitor and not change apk file paths when 2189 // scanning install directories. 2190 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2191 2192 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2193 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2194 2195 if (bootClassPath == null) { 2196 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2197 } 2198 2199 if (systemServerClassPath == null) { 2200 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2201 } 2202 2203 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2204 final String[] dexCodeInstructionSets = 2205 getDexCodeInstructionSets( 2206 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2207 2208 /** 2209 * Ensure all external libraries have had dexopt run on them. 2210 */ 2211 if (mSharedLibraries.size() > 0) { 2212 // NOTE: For now, we're compiling these system "shared libraries" 2213 // (and framework jars) into all available architectures. It's possible 2214 // to compile them only when we come across an app that uses them (there's 2215 // already logic for that in scanPackageLI) but that adds some complexity. 2216 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2217 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2218 final String lib = libEntry.path; 2219 if (lib == null) { 2220 continue; 2221 } 2222 2223 try { 2224 // Shared libraries do not have profiles so we perform a full 2225 // AOT compilation (if needed). 2226 int dexoptNeeded = DexFile.getDexOptNeeded( 2227 lib, dexCodeInstructionSet, 2228 getCompilerFilterForReason(REASON_SHARED_APK), 2229 false /* newProfile */); 2230 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2231 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2232 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2233 getCompilerFilterForReason(REASON_SHARED_APK), 2234 StorageManager.UUID_PRIVATE_INTERNAL); 2235 } 2236 } catch (FileNotFoundException e) { 2237 Slog.w(TAG, "Library not found: " + lib); 2238 } catch (IOException | InstallerException e) { 2239 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2240 + e.getMessage()); 2241 } 2242 } 2243 } 2244 } 2245 2246 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2247 2248 final VersionInfo ver = mSettings.getInternalVersion(); 2249 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2250 2251 // when upgrading from pre-M, promote system app permissions from install to runtime 2252 mPromoteSystemApps = 2253 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2254 2255 // save off the names of pre-existing system packages prior to scanning; we don't 2256 // want to automatically grant runtime permissions for new system apps 2257 if (mPromoteSystemApps) { 2258 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2259 while (pkgSettingIter.hasNext()) { 2260 PackageSetting ps = pkgSettingIter.next(); 2261 if (isSystemApp(ps)) { 2262 mExistingSystemPackages.add(ps.name); 2263 } 2264 } 2265 } 2266 2267 // When upgrading from pre-N, we need to handle package extraction like first boot, 2268 // as there is no profiling data available. 2269 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2270 mSettings.setNWorkDone(); 2271 2272 // Collect vendor overlay packages. 2273 // (Do this before scanning any apps.) 2274 // For security and version matching reason, only consider 2275 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2276 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2277 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2278 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2279 2280 // Find base frameworks (resource packages without code). 2281 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2282 | PackageParser.PARSE_IS_SYSTEM_DIR 2283 | PackageParser.PARSE_IS_PRIVILEGED, 2284 scanFlags | SCAN_NO_DEX, 0); 2285 2286 // Collected privileged system packages. 2287 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2288 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2289 | PackageParser.PARSE_IS_SYSTEM_DIR 2290 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2291 2292 // Collect ordinary system packages. 2293 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2294 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2295 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2296 2297 // Collect all vendor packages. 2298 File vendorAppDir = new File("/vendor/app"); 2299 try { 2300 vendorAppDir = vendorAppDir.getCanonicalFile(); 2301 } catch (IOException e) { 2302 // failed to look up canonical path, continue with original one 2303 } 2304 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2305 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2306 2307 // Collect all OEM packages. 2308 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2309 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2310 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2311 2312 // Prune any system packages that no longer exist. 2313 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2314 if (!mOnlyCore) { 2315 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2316 while (psit.hasNext()) { 2317 PackageSetting ps = psit.next(); 2318 2319 /* 2320 * If this is not a system app, it can't be a 2321 * disable system app. 2322 */ 2323 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2324 continue; 2325 } 2326 2327 /* 2328 * If the package is scanned, it's not erased. 2329 */ 2330 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2331 if (scannedPkg != null) { 2332 /* 2333 * If the system app is both scanned and in the 2334 * disabled packages list, then it must have been 2335 * added via OTA. Remove it from the currently 2336 * scanned package so the previously user-installed 2337 * application can be scanned. 2338 */ 2339 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2340 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2341 + ps.name + "; removing system app. Last known codePath=" 2342 + ps.codePathString + ", installStatus=" + ps.installStatus 2343 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2344 + scannedPkg.mVersionCode); 2345 removePackageLI(scannedPkg, true); 2346 mExpectingBetter.put(ps.name, ps.codePath); 2347 } 2348 2349 continue; 2350 } 2351 2352 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2353 psit.remove(); 2354 logCriticalInfo(Log.WARN, "System package " + ps.name 2355 + " no longer exists; wiping its data"); 2356 removeDataDirsLI(null, ps.name); 2357 } else { 2358 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2359 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2360 possiblyDeletedUpdatedSystemApps.add(ps.name); 2361 } 2362 } 2363 } 2364 } 2365 2366 //look for any incomplete package installations 2367 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2368 //clean up list 2369 for(int i = 0; i < deletePkgsList.size(); i++) { 2370 //clean up here 2371 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2372 } 2373 //delete tmp files 2374 deleteTempPackageFiles(); 2375 2376 // Remove any shared userIDs that have no associated packages 2377 mSettings.pruneSharedUsersLPw(); 2378 2379 if (!mOnlyCore) { 2380 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2381 SystemClock.uptimeMillis()); 2382 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2383 2384 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2385 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2386 2387 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2388 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2389 2390 /** 2391 * Remove disable package settings for any updated system 2392 * apps that were removed via an OTA. If they're not a 2393 * previously-updated app, remove them completely. 2394 * Otherwise, just revoke their system-level permissions. 2395 */ 2396 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2397 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2398 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2399 2400 String msg; 2401 if (deletedPkg == null) { 2402 msg = "Updated system package " + deletedAppName 2403 + " no longer exists; wiping its data"; 2404 removeDataDirsLI(null, deletedAppName); 2405 } else { 2406 msg = "Updated system app + " + deletedAppName 2407 + " no longer present; removing system privileges for " 2408 + deletedAppName; 2409 2410 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2411 2412 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2413 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2414 } 2415 logCriticalInfo(Log.WARN, msg); 2416 } 2417 2418 /** 2419 * Make sure all system apps that we expected to appear on 2420 * the userdata partition actually showed up. If they never 2421 * appeared, crawl back and revive the system version. 2422 */ 2423 for (int i = 0; i < mExpectingBetter.size(); i++) { 2424 final String packageName = mExpectingBetter.keyAt(i); 2425 if (!mPackages.containsKey(packageName)) { 2426 final File scanFile = mExpectingBetter.valueAt(i); 2427 2428 logCriticalInfo(Log.WARN, "Expected better " + packageName 2429 + " but never showed up; reverting to system"); 2430 2431 final int reparseFlags; 2432 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2433 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2434 | PackageParser.PARSE_IS_SYSTEM_DIR 2435 | PackageParser.PARSE_IS_PRIVILEGED; 2436 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2437 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2438 | PackageParser.PARSE_IS_SYSTEM_DIR; 2439 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2440 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2441 | PackageParser.PARSE_IS_SYSTEM_DIR; 2442 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2443 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2444 | PackageParser.PARSE_IS_SYSTEM_DIR; 2445 } else { 2446 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2447 continue; 2448 } 2449 2450 mSettings.enableSystemPackageLPw(packageName); 2451 2452 try { 2453 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2454 } catch (PackageManagerException e) { 2455 Slog.e(TAG, "Failed to parse original system package: " 2456 + e.getMessage()); 2457 } 2458 } 2459 } 2460 } 2461 mExpectingBetter.clear(); 2462 2463 // Resolve protected action filters. Only the setup wizard is allowed to 2464 // have a high priority filter for these actions. 2465 mSetupWizardPackage = getSetupWizardPackageName(); 2466 if (mProtectedFilters.size() > 0) { 2467 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2468 Slog.i(TAG, "No setup wizard;" 2469 + " All protected intents capped to priority 0"); 2470 } 2471 for (ActivityIntentInfo filter : mProtectedFilters) { 2472 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2473 if (DEBUG_FILTERS) { 2474 Slog.i(TAG, "Found setup wizard;" 2475 + " allow priority " + filter.getPriority() + ";" 2476 + " package: " + filter.activity.info.packageName 2477 + " activity: " + filter.activity.className 2478 + " priority: " + filter.getPriority()); 2479 } 2480 // skip setup wizard; allow it to keep the high priority filter 2481 continue; 2482 } 2483 Slog.w(TAG, "Protected action; cap priority to 0;" 2484 + " package: " + filter.activity.info.packageName 2485 + " activity: " + filter.activity.className 2486 + " origPrio: " + filter.getPriority()); 2487 filter.setPriority(0); 2488 } 2489 } 2490 mDeferProtectedFilters = false; 2491 mProtectedFilters.clear(); 2492 2493 // Now that we know all of the shared libraries, update all clients to have 2494 // the correct library paths. 2495 updateAllSharedLibrariesLPw(); 2496 2497 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2498 // NOTE: We ignore potential failures here during a system scan (like 2499 // the rest of the commands above) because there's precious little we 2500 // can do about it. A settings error is reported, though. 2501 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2502 false /* boot complete */); 2503 } 2504 2505 // Now that we know all the packages we are keeping, 2506 // read and update their last usage times. 2507 mPackageUsage.readLP(); 2508 2509 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2510 SystemClock.uptimeMillis()); 2511 Slog.i(TAG, "Time to scan packages: " 2512 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2513 + " seconds"); 2514 2515 // If the platform SDK has changed since the last time we booted, 2516 // we need to re-grant app permission to catch any new ones that 2517 // appear. This is really a hack, and means that apps can in some 2518 // cases get permissions that the user didn't initially explicitly 2519 // allow... it would be nice to have some better way to handle 2520 // this situation. 2521 int updateFlags = UPDATE_PERMISSIONS_ALL; 2522 if (ver.sdkVersion != mSdkVersion) { 2523 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2524 + mSdkVersion + "; regranting permissions for internal storage"); 2525 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2526 } 2527 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2528 ver.sdkVersion = mSdkVersion; 2529 2530 // If this is the first boot or an update from pre-M, and it is a normal 2531 // boot, then we need to initialize the default preferred apps across 2532 // all defined users. 2533 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2534 for (UserInfo user : sUserManager.getUsers(true)) { 2535 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2536 applyFactoryDefaultBrowserLPw(user.id); 2537 primeDomainVerificationsLPw(user.id); 2538 } 2539 } 2540 2541 // Prepare storage for system user really early during boot, 2542 // since core system apps like SettingsProvider and SystemUI 2543 // can't wait for user to start 2544 final int storageFlags; 2545 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2546 storageFlags = StorageManager.FLAG_STORAGE_DE; 2547 } else { 2548 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2549 } 2550 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2551 storageFlags); 2552 2553 // If this is first boot after an OTA, and a normal boot, then 2554 // we need to clear code cache directories. 2555 if (mIsUpgrade && !onlyCore) { 2556 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2557 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2558 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2559 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2560 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2561 } 2562 } 2563 ver.fingerprint = Build.FINGERPRINT; 2564 } 2565 2566 checkDefaultBrowser(); 2567 2568 // clear only after permissions and other defaults have been updated 2569 mExistingSystemPackages.clear(); 2570 mPromoteSystemApps = false; 2571 2572 // All the changes are done during package scanning. 2573 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2574 2575 // can downgrade to reader 2576 mSettings.writeLPr(); 2577 2578 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2579 SystemClock.uptimeMillis()); 2580 2581 if (!mOnlyCore) { 2582 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2583 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2584 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2585 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2586 mIntentFilterVerifierComponent); 2587 } else { 2588 mRequiredVerifierPackage = null; 2589 mRequiredInstallerPackage = null; 2590 mIntentFilterVerifierComponent = null; 2591 mIntentFilterVerifier = null; 2592 } 2593 2594 mInstallerService = new PackageInstallerService(context, this); 2595 2596 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2597 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2598 // both the installer and resolver must be present to enable ephemeral 2599 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2600 if (DEBUG_EPHEMERAL) { 2601 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2602 + " installer:" + ephemeralInstallerComponent); 2603 } 2604 mEphemeralResolverComponent = ephemeralResolverComponent; 2605 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2606 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2607 mEphemeralResolverConnection = 2608 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2609 } else { 2610 if (DEBUG_EPHEMERAL) { 2611 final String missingComponent = 2612 (ephemeralResolverComponent == null) 2613 ? (ephemeralInstallerComponent == null) 2614 ? "resolver and installer" 2615 : "resolver" 2616 : "installer"; 2617 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2618 } 2619 mEphemeralResolverComponent = null; 2620 mEphemeralInstallerComponent = null; 2621 mEphemeralResolverConnection = null; 2622 } 2623 2624 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2625 } // synchronized (mPackages) 2626 } // synchronized (mInstallLock) 2627 2628 // Now after opening every single application zip, make sure they 2629 // are all flushed. Not really needed, but keeps things nice and 2630 // tidy. 2631 Runtime.getRuntime().gc(); 2632 2633 // The initial scanning above does many calls into installd while 2634 // holding the mPackages lock, but we're mostly interested in yelling 2635 // once we have a booted system. 2636 mInstaller.setWarnIfHeld(mPackages); 2637 2638 // Expose private service for system components to use. 2639 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2640 } 2641 2642 @Override 2643 public boolean isFirstBoot() { 2644 return !mRestoredSettings; 2645 } 2646 2647 @Override 2648 public boolean isOnlyCoreApps() { 2649 return mOnlyCore; 2650 } 2651 2652 @Override 2653 public boolean isUpgrade() { 2654 return mIsUpgrade; 2655 } 2656 2657 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2658 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2659 2660 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2661 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2662 UserHandle.USER_SYSTEM); 2663 if (matches.size() == 1) { 2664 return matches.get(0).getComponentInfo().packageName; 2665 } else { 2666 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2667 return null; 2668 } 2669 } 2670 2671 private @NonNull String getRequiredInstallerLPr() { 2672 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2673 intent.addCategory(Intent.CATEGORY_DEFAULT); 2674 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2675 2676 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2677 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2678 UserHandle.USER_SYSTEM); 2679 if (matches.size() == 1) { 2680 return matches.get(0).getComponentInfo().packageName; 2681 } else { 2682 throw new RuntimeException("There must be exactly one installer; found " + matches); 2683 } 2684 } 2685 2686 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2687 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2688 2689 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2690 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2691 UserHandle.USER_SYSTEM); 2692 ResolveInfo best = null; 2693 final int N = matches.size(); 2694 for (int i = 0; i < N; i++) { 2695 final ResolveInfo cur = matches.get(i); 2696 final String packageName = cur.getComponentInfo().packageName; 2697 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2698 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2699 continue; 2700 } 2701 2702 if (best == null || cur.priority > best.priority) { 2703 best = cur; 2704 } 2705 } 2706 2707 if (best != null) { 2708 return best.getComponentInfo().getComponentName(); 2709 } else { 2710 throw new RuntimeException("There must be at least one intent filter verifier"); 2711 } 2712 } 2713 2714 private @Nullable ComponentName getEphemeralResolverLPr() { 2715 final String[] packageArray = 2716 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2717 if (packageArray.length == 0) { 2718 if (DEBUG_EPHEMERAL) { 2719 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2720 } 2721 return null; 2722 } 2723 2724 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2725 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2726 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2727 UserHandle.USER_SYSTEM); 2728 2729 final int N = resolvers.size(); 2730 if (N == 0) { 2731 if (DEBUG_EPHEMERAL) { 2732 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2733 } 2734 return null; 2735 } 2736 2737 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2738 for (int i = 0; i < N; i++) { 2739 final ResolveInfo info = resolvers.get(i); 2740 2741 if (info.serviceInfo == null) { 2742 continue; 2743 } 2744 2745 final String packageName = info.serviceInfo.packageName; 2746 if (!possiblePackages.contains(packageName)) { 2747 if (DEBUG_EPHEMERAL) { 2748 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2749 + " pkg: " + packageName + ", info:" + info); 2750 } 2751 continue; 2752 } 2753 2754 if (DEBUG_EPHEMERAL) { 2755 Slog.v(TAG, "Ephemeral resolver found;" 2756 + " pkg: " + packageName + ", info:" + info); 2757 } 2758 return new ComponentName(packageName, info.serviceInfo.name); 2759 } 2760 if (DEBUG_EPHEMERAL) { 2761 Slog.v(TAG, "Ephemeral resolver NOT found"); 2762 } 2763 return null; 2764 } 2765 2766 private @Nullable ComponentName getEphemeralInstallerLPr() { 2767 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2768 intent.addCategory(Intent.CATEGORY_DEFAULT); 2769 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2770 2771 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2772 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2773 UserHandle.USER_SYSTEM); 2774 if (matches.size() == 0) { 2775 return null; 2776 } else if (matches.size() == 1) { 2777 return matches.get(0).getComponentInfo().getComponentName(); 2778 } else { 2779 throw new RuntimeException( 2780 "There must be at most one ephemeral installer; found " + matches); 2781 } 2782 } 2783 2784 private void primeDomainVerificationsLPw(int userId) { 2785 if (DEBUG_DOMAIN_VERIFICATION) { 2786 Slog.d(TAG, "Priming domain verifications in user " + userId); 2787 } 2788 2789 SystemConfig systemConfig = SystemConfig.getInstance(); 2790 ArraySet<String> packages = systemConfig.getLinkedApps(); 2791 ArraySet<String> domains = new ArraySet<String>(); 2792 2793 for (String packageName : packages) { 2794 PackageParser.Package pkg = mPackages.get(packageName); 2795 if (pkg != null) { 2796 if (!pkg.isSystemApp()) { 2797 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2798 continue; 2799 } 2800 2801 domains.clear(); 2802 for (PackageParser.Activity a : pkg.activities) { 2803 for (ActivityIntentInfo filter : a.intents) { 2804 if (hasValidDomains(filter)) { 2805 domains.addAll(filter.getHostsList()); 2806 } 2807 } 2808 } 2809 2810 if (domains.size() > 0) { 2811 if (DEBUG_DOMAIN_VERIFICATION) { 2812 Slog.v(TAG, " + " + packageName); 2813 } 2814 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2815 // state w.r.t. the formal app-linkage "no verification attempted" state; 2816 // and then 'always' in the per-user state actually used for intent resolution. 2817 final IntentFilterVerificationInfo ivi; 2818 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2819 new ArrayList<String>(domains)); 2820 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2821 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2822 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2823 } else { 2824 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2825 + "' does not handle web links"); 2826 } 2827 } else { 2828 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2829 } 2830 } 2831 2832 scheduleWritePackageRestrictionsLocked(userId); 2833 scheduleWriteSettingsLocked(); 2834 } 2835 2836 private void applyFactoryDefaultBrowserLPw(int userId) { 2837 // The default browser app's package name is stored in a string resource, 2838 // with a product-specific overlay used for vendor customization. 2839 String browserPkg = mContext.getResources().getString( 2840 com.android.internal.R.string.default_browser); 2841 if (!TextUtils.isEmpty(browserPkg)) { 2842 // non-empty string => required to be a known package 2843 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2844 if (ps == null) { 2845 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2846 browserPkg = null; 2847 } else { 2848 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2849 } 2850 } 2851 2852 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2853 // default. If there's more than one, just leave everything alone. 2854 if (browserPkg == null) { 2855 calculateDefaultBrowserLPw(userId); 2856 } 2857 } 2858 2859 private void calculateDefaultBrowserLPw(int userId) { 2860 List<String> allBrowsers = resolveAllBrowserApps(userId); 2861 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2862 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2863 } 2864 2865 private List<String> resolveAllBrowserApps(int userId) { 2866 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2867 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2868 PackageManager.MATCH_ALL, userId); 2869 2870 final int count = list.size(); 2871 List<String> result = new ArrayList<String>(count); 2872 for (int i=0; i<count; i++) { 2873 ResolveInfo info = list.get(i); 2874 if (info.activityInfo == null 2875 || !info.handleAllWebDataURI 2876 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2877 || result.contains(info.activityInfo.packageName)) { 2878 continue; 2879 } 2880 result.add(info.activityInfo.packageName); 2881 } 2882 2883 return result; 2884 } 2885 2886 private boolean packageIsBrowser(String packageName, int userId) { 2887 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2888 PackageManager.MATCH_ALL, userId); 2889 final int N = list.size(); 2890 for (int i = 0; i < N; i++) { 2891 ResolveInfo info = list.get(i); 2892 if (packageName.equals(info.activityInfo.packageName)) { 2893 return true; 2894 } 2895 } 2896 return false; 2897 } 2898 2899 private void checkDefaultBrowser() { 2900 final int myUserId = UserHandle.myUserId(); 2901 final String packageName = getDefaultBrowserPackageName(myUserId); 2902 if (packageName != null) { 2903 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2904 if (info == null) { 2905 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2906 synchronized (mPackages) { 2907 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2908 } 2909 } 2910 } 2911 } 2912 2913 @Override 2914 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2915 throws RemoteException { 2916 try { 2917 return super.onTransact(code, data, reply, flags); 2918 } catch (RuntimeException e) { 2919 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2920 Slog.wtf(TAG, "Package Manager Crash", e); 2921 } 2922 throw e; 2923 } 2924 } 2925 2926 void cleanupInstallFailedPackage(PackageSetting ps) { 2927 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2928 2929 removeDataDirsLI(ps.volumeUuid, ps.name); 2930 if (ps.codePath != null) { 2931 removeCodePathLI(ps.codePath); 2932 } 2933 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2934 if (ps.resourcePath.isDirectory()) { 2935 FileUtils.deleteContents(ps.resourcePath); 2936 } 2937 ps.resourcePath.delete(); 2938 } 2939 mSettings.removePackageLPw(ps.name); 2940 } 2941 2942 static int[] appendInts(int[] cur, int[] add) { 2943 if (add == null) return cur; 2944 if (cur == null) return add; 2945 final int N = add.length; 2946 for (int i=0; i<N; i++) { 2947 cur = appendInt(cur, add[i]); 2948 } 2949 return cur; 2950 } 2951 2952 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 2953 if (!sUserManager.exists(userId)) return null; 2954 if (ps == null) { 2955 return null; 2956 } 2957 final PackageParser.Package p = ps.pkg; 2958 if (p == null) { 2959 return null; 2960 } 2961 2962 final PermissionsState permissionsState = ps.getPermissionsState(); 2963 2964 final int[] gids = permissionsState.computeGids(userId); 2965 final Set<String> permissions = permissionsState.getPermissions(userId); 2966 final PackageUserState state = ps.readUserState(userId); 2967 2968 return PackageParser.generatePackageInfo(p, gids, flags, 2969 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2970 } 2971 2972 @Override 2973 public void checkPackageStartable(String packageName, int userId) { 2974 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2975 2976 synchronized (mPackages) { 2977 final PackageSetting ps = mSettings.mPackages.get(packageName); 2978 if (ps == null) { 2979 throw new SecurityException("Package " + packageName + " was not found!"); 2980 } 2981 2982 if (!ps.getInstalled(userId)) { 2983 throw new SecurityException( 2984 "Package " + packageName + " was not installed for user " + userId + "!"); 2985 } 2986 2987 if (mSafeMode && !ps.isSystem()) { 2988 throw new SecurityException("Package " + packageName + " not a system app!"); 2989 } 2990 2991 if (ps.frozen) { 2992 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2993 } 2994 2995 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 2996 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 2997 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2998 } 2999 } 3000 } 3001 3002 @Override 3003 public boolean isPackageAvailable(String packageName, int userId) { 3004 if (!sUserManager.exists(userId)) return false; 3005 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3006 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3007 synchronized (mPackages) { 3008 PackageParser.Package p = mPackages.get(packageName); 3009 if (p != null) { 3010 final PackageSetting ps = (PackageSetting) p.mExtras; 3011 if (ps != null) { 3012 final PackageUserState state = ps.readUserState(userId); 3013 if (state != null) { 3014 return PackageParser.isAvailable(state); 3015 } 3016 } 3017 } 3018 } 3019 return false; 3020 } 3021 3022 @Override 3023 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3024 if (!sUserManager.exists(userId)) return null; 3025 flags = updateFlagsForPackage(flags, userId, packageName); 3026 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3027 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3028 // reader 3029 synchronized (mPackages) { 3030 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3031 PackageParser.Package p = null; 3032 if (matchFactoryOnly) { 3033 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3034 if (ps != null) { 3035 return generatePackageInfo(ps, flags, userId); 3036 } 3037 } 3038 if (p == null) { 3039 p = mPackages.get(packageName); 3040 if (matchFactoryOnly && !isSystemApp(p)) { 3041 return null; 3042 } 3043 } 3044 if (DEBUG_PACKAGE_INFO) 3045 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3046 if (p != null) { 3047 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3048 } 3049 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3050 final PackageSetting ps = mSettings.mPackages.get(packageName); 3051 return generatePackageInfo(ps, flags, userId); 3052 } 3053 } 3054 return null; 3055 } 3056 3057 @Override 3058 public String[] currentToCanonicalPackageNames(String[] names) { 3059 String[] out = new String[names.length]; 3060 // reader 3061 synchronized (mPackages) { 3062 for (int i=names.length-1; i>=0; i--) { 3063 PackageSetting ps = mSettings.mPackages.get(names[i]); 3064 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3065 } 3066 } 3067 return out; 3068 } 3069 3070 @Override 3071 public String[] canonicalToCurrentPackageNames(String[] names) { 3072 String[] out = new String[names.length]; 3073 // reader 3074 synchronized (mPackages) { 3075 for (int i=names.length-1; i>=0; i--) { 3076 String cur = mSettings.mRenamedPackages.get(names[i]); 3077 out[i] = cur != null ? cur : names[i]; 3078 } 3079 } 3080 return out; 3081 } 3082 3083 @Override 3084 public int getPackageUid(String packageName, int flags, int userId) { 3085 if (!sUserManager.exists(userId)) return -1; 3086 flags = updateFlagsForPackage(flags, userId, packageName); 3087 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3088 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3089 3090 // reader 3091 synchronized (mPackages) { 3092 final PackageParser.Package p = mPackages.get(packageName); 3093 if (p != null && p.isMatch(flags)) { 3094 return UserHandle.getUid(userId, p.applicationInfo.uid); 3095 } 3096 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3097 final PackageSetting ps = mSettings.mPackages.get(packageName); 3098 if (ps != null && ps.isMatch(flags)) { 3099 return UserHandle.getUid(userId, ps.appId); 3100 } 3101 } 3102 } 3103 3104 return -1; 3105 } 3106 3107 @Override 3108 public int[] getPackageGids(String packageName, int flags, int userId) { 3109 if (!sUserManager.exists(userId)) return null; 3110 flags = updateFlagsForPackage(flags, userId, packageName); 3111 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3112 false /* requireFullPermission */, false /* checkShell */, 3113 "getPackageGids"); 3114 3115 // reader 3116 synchronized (mPackages) { 3117 final PackageParser.Package p = mPackages.get(packageName); 3118 if (p != null && p.isMatch(flags)) { 3119 PackageSetting ps = (PackageSetting) p.mExtras; 3120 return ps.getPermissionsState().computeGids(userId); 3121 } 3122 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3123 final PackageSetting ps = mSettings.mPackages.get(packageName); 3124 if (ps != null && ps.isMatch(flags)) { 3125 return ps.getPermissionsState().computeGids(userId); 3126 } 3127 } 3128 } 3129 3130 return null; 3131 } 3132 3133 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3134 if (bp.perm != null) { 3135 return PackageParser.generatePermissionInfo(bp.perm, flags); 3136 } 3137 PermissionInfo pi = new PermissionInfo(); 3138 pi.name = bp.name; 3139 pi.packageName = bp.sourcePackage; 3140 pi.nonLocalizedLabel = bp.name; 3141 pi.protectionLevel = bp.protectionLevel; 3142 return pi; 3143 } 3144 3145 @Override 3146 public PermissionInfo getPermissionInfo(String name, int flags) { 3147 // reader 3148 synchronized (mPackages) { 3149 final BasePermission p = mSettings.mPermissions.get(name); 3150 if (p != null) { 3151 return generatePermissionInfo(p, flags); 3152 } 3153 return null; 3154 } 3155 } 3156 3157 @Override 3158 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3159 int flags) { 3160 // reader 3161 synchronized (mPackages) { 3162 if (group != null && !mPermissionGroups.containsKey(group)) { 3163 // This is thrown as NameNotFoundException 3164 return null; 3165 } 3166 3167 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3168 for (BasePermission p : mSettings.mPermissions.values()) { 3169 if (group == null) { 3170 if (p.perm == null || p.perm.info.group == null) { 3171 out.add(generatePermissionInfo(p, flags)); 3172 } 3173 } else { 3174 if (p.perm != null && group.equals(p.perm.info.group)) { 3175 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3176 } 3177 } 3178 } 3179 return new ParceledListSlice<>(out); 3180 } 3181 } 3182 3183 @Override 3184 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3185 // reader 3186 synchronized (mPackages) { 3187 return PackageParser.generatePermissionGroupInfo( 3188 mPermissionGroups.get(name), flags); 3189 } 3190 } 3191 3192 @Override 3193 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3194 // reader 3195 synchronized (mPackages) { 3196 final int N = mPermissionGroups.size(); 3197 ArrayList<PermissionGroupInfo> out 3198 = new ArrayList<PermissionGroupInfo>(N); 3199 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3200 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3201 } 3202 return new ParceledListSlice<>(out); 3203 } 3204 } 3205 3206 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3207 int userId) { 3208 if (!sUserManager.exists(userId)) return null; 3209 PackageSetting ps = mSettings.mPackages.get(packageName); 3210 if (ps != null) { 3211 if (ps.pkg == null) { 3212 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3213 if (pInfo != null) { 3214 return pInfo.applicationInfo; 3215 } 3216 return null; 3217 } 3218 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3219 ps.readUserState(userId), userId); 3220 } 3221 return null; 3222 } 3223 3224 @Override 3225 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3226 if (!sUserManager.exists(userId)) return null; 3227 flags = updateFlagsForApplication(flags, userId, packageName); 3228 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3229 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3230 // writer 3231 synchronized (mPackages) { 3232 PackageParser.Package p = mPackages.get(packageName); 3233 if (DEBUG_PACKAGE_INFO) Log.v( 3234 TAG, "getApplicationInfo " + packageName 3235 + ": " + p); 3236 if (p != null) { 3237 PackageSetting ps = mSettings.mPackages.get(packageName); 3238 if (ps == null) return null; 3239 // Note: isEnabledLP() does not apply here - always return info 3240 return PackageParser.generateApplicationInfo( 3241 p, flags, ps.readUserState(userId), userId); 3242 } 3243 if ("android".equals(packageName)||"system".equals(packageName)) { 3244 return mAndroidApplication; 3245 } 3246 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3247 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3248 } 3249 } 3250 return null; 3251 } 3252 3253 @Override 3254 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3255 final IPackageDataObserver observer) { 3256 mContext.enforceCallingOrSelfPermission( 3257 android.Manifest.permission.CLEAR_APP_CACHE, null); 3258 // Queue up an async operation since clearing cache may take a little while. 3259 mHandler.post(new Runnable() { 3260 public void run() { 3261 mHandler.removeCallbacks(this); 3262 boolean success = true; 3263 synchronized (mInstallLock) { 3264 try { 3265 mInstaller.freeCache(volumeUuid, freeStorageSize); 3266 } catch (InstallerException e) { 3267 Slog.w(TAG, "Couldn't clear application caches: " + e); 3268 success = false; 3269 } 3270 } 3271 if (observer != null) { 3272 try { 3273 observer.onRemoveCompleted(null, success); 3274 } catch (RemoteException e) { 3275 Slog.w(TAG, "RemoveException when invoking call back"); 3276 } 3277 } 3278 } 3279 }); 3280 } 3281 3282 @Override 3283 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3284 final IntentSender pi) { 3285 mContext.enforceCallingOrSelfPermission( 3286 android.Manifest.permission.CLEAR_APP_CACHE, null); 3287 // Queue up an async operation since clearing cache may take a little while. 3288 mHandler.post(new Runnable() { 3289 public void run() { 3290 mHandler.removeCallbacks(this); 3291 boolean success = true; 3292 synchronized (mInstallLock) { 3293 try { 3294 mInstaller.freeCache(volumeUuid, freeStorageSize); 3295 } catch (InstallerException e) { 3296 Slog.w(TAG, "Couldn't clear application caches: " + e); 3297 success = false; 3298 } 3299 } 3300 if(pi != null) { 3301 try { 3302 // Callback via pending intent 3303 int code = success ? 1 : 0; 3304 pi.sendIntent(null, code, null, 3305 null, null); 3306 } catch (SendIntentException e1) { 3307 Slog.i(TAG, "Failed to send pending intent"); 3308 } 3309 } 3310 } 3311 }); 3312 } 3313 3314 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3315 synchronized (mInstallLock) { 3316 try { 3317 mInstaller.freeCache(volumeUuid, freeStorageSize); 3318 } catch (InstallerException e) { 3319 throw new IOException("Failed to free enough space", e); 3320 } 3321 } 3322 } 3323 3324 /** 3325 * Return if the user key is currently unlocked. 3326 */ 3327 private boolean isUserKeyUnlocked(int userId) { 3328 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3329 final IMountService mount = IMountService.Stub 3330 .asInterface(ServiceManager.getService("mount")); 3331 if (mount == null) { 3332 Slog.w(TAG, "Early during boot, assuming locked"); 3333 return false; 3334 } 3335 final long token = Binder.clearCallingIdentity(); 3336 try { 3337 return mount.isUserKeyUnlocked(userId); 3338 } catch (RemoteException e) { 3339 throw e.rethrowAsRuntimeException(); 3340 } finally { 3341 Binder.restoreCallingIdentity(token); 3342 } 3343 } else { 3344 return true; 3345 } 3346 } 3347 3348 /** 3349 * Update given flags based on encryption status of current user. 3350 */ 3351 private int updateFlags(int flags, int userId) { 3352 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3353 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3354 // Caller expressed an explicit opinion about what encryption 3355 // aware/unaware components they want to see, so fall through and 3356 // give them what they want 3357 } else { 3358 // Caller expressed no opinion, so match based on user state 3359 if (isUserKeyUnlocked(userId)) { 3360 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3361 } else { 3362 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3363 } 3364 } 3365 return flags; 3366 } 3367 3368 /** 3369 * Update given flags when being used to request {@link PackageInfo}. 3370 */ 3371 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3372 boolean triaged = true; 3373 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3374 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3375 // Caller is asking for component details, so they'd better be 3376 // asking for specific encryption matching behavior, or be triaged 3377 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3378 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3379 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3380 triaged = false; 3381 } 3382 } 3383 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3384 | PackageManager.MATCH_SYSTEM_ONLY 3385 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3386 triaged = false; 3387 } 3388 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3389 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3390 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3391 } 3392 return updateFlags(flags, userId); 3393 } 3394 3395 /** 3396 * Update given flags when being used to request {@link ApplicationInfo}. 3397 */ 3398 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3399 return updateFlagsForPackage(flags, userId, cookie); 3400 } 3401 3402 /** 3403 * Update given flags when being used to request {@link ComponentInfo}. 3404 */ 3405 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3406 if (cookie instanceof Intent) { 3407 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3408 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3409 } 3410 } 3411 3412 boolean triaged = true; 3413 // Caller is asking for component details, so they'd better be 3414 // asking for specific encryption matching behavior, or be triaged 3415 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3416 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3417 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3418 triaged = false; 3419 } 3420 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3421 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3422 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3423 } 3424 3425 return updateFlags(flags, userId); 3426 } 3427 3428 /** 3429 * Update given flags when being used to request {@link ResolveInfo}. 3430 */ 3431 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3432 // Safe mode means we shouldn't match any third-party components 3433 if (mSafeMode) { 3434 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3435 } 3436 3437 return updateFlagsForComponent(flags, userId, cookie); 3438 } 3439 3440 @Override 3441 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3442 if (!sUserManager.exists(userId)) return null; 3443 flags = updateFlagsForComponent(flags, userId, component); 3444 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3445 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3446 synchronized (mPackages) { 3447 PackageParser.Activity a = mActivities.mActivities.get(component); 3448 3449 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3450 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3451 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3452 if (ps == null) return null; 3453 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3454 userId); 3455 } 3456 if (mResolveComponentName.equals(component)) { 3457 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3458 new PackageUserState(), userId); 3459 } 3460 } 3461 return null; 3462 } 3463 3464 @Override 3465 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3466 String resolvedType) { 3467 synchronized (mPackages) { 3468 if (component.equals(mResolveComponentName)) { 3469 // The resolver supports EVERYTHING! 3470 return true; 3471 } 3472 PackageParser.Activity a = mActivities.mActivities.get(component); 3473 if (a == null) { 3474 return false; 3475 } 3476 for (int i=0; i<a.intents.size(); i++) { 3477 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3478 intent.getData(), intent.getCategories(), TAG) >= 0) { 3479 return true; 3480 } 3481 } 3482 return false; 3483 } 3484 } 3485 3486 @Override 3487 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3488 if (!sUserManager.exists(userId)) return null; 3489 flags = updateFlagsForComponent(flags, userId, component); 3490 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3491 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3492 synchronized (mPackages) { 3493 PackageParser.Activity a = mReceivers.mActivities.get(component); 3494 if (DEBUG_PACKAGE_INFO) Log.v( 3495 TAG, "getReceiverInfo " + component + ": " + a); 3496 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3497 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3498 if (ps == null) return null; 3499 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3500 userId); 3501 } 3502 } 3503 return null; 3504 } 3505 3506 @Override 3507 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3508 if (!sUserManager.exists(userId)) return null; 3509 flags = updateFlagsForComponent(flags, userId, component); 3510 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3511 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3512 synchronized (mPackages) { 3513 PackageParser.Service s = mServices.mServices.get(component); 3514 if (DEBUG_PACKAGE_INFO) Log.v( 3515 TAG, "getServiceInfo " + component + ": " + s); 3516 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3517 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3518 if (ps == null) return null; 3519 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3520 userId); 3521 } 3522 } 3523 return null; 3524 } 3525 3526 @Override 3527 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3528 if (!sUserManager.exists(userId)) return null; 3529 flags = updateFlagsForComponent(flags, userId, component); 3530 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3531 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3532 synchronized (mPackages) { 3533 PackageParser.Provider p = mProviders.mProviders.get(component); 3534 if (DEBUG_PACKAGE_INFO) Log.v( 3535 TAG, "getProviderInfo " + component + ": " + p); 3536 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3537 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3538 if (ps == null) return null; 3539 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3540 userId); 3541 } 3542 } 3543 return null; 3544 } 3545 3546 @Override 3547 public String[] getSystemSharedLibraryNames() { 3548 Set<String> libSet; 3549 synchronized (mPackages) { 3550 libSet = mSharedLibraries.keySet(); 3551 int size = libSet.size(); 3552 if (size > 0) { 3553 String[] libs = new String[size]; 3554 libSet.toArray(libs); 3555 return libs; 3556 } 3557 } 3558 return null; 3559 } 3560 3561 @Override 3562 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3563 synchronized (mPackages) { 3564 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3565 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3566 if (libraryEntry != null) { 3567 return libraryEntry.apk; 3568 } 3569 } 3570 return null; 3571 } 3572 3573 @Override 3574 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3575 synchronized (mPackages) { 3576 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3577 3578 final FeatureInfo fi = new FeatureInfo(); 3579 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3580 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3581 res.add(fi); 3582 3583 return new ParceledListSlice<>(res); 3584 } 3585 } 3586 3587 @Override 3588 public boolean hasSystemFeature(String name, int version) { 3589 synchronized (mPackages) { 3590 final FeatureInfo feat = mAvailableFeatures.get(name); 3591 if (feat == null) { 3592 return false; 3593 } else { 3594 return feat.version >= version; 3595 } 3596 } 3597 } 3598 3599 @Override 3600 public int checkPermission(String permName, String pkgName, int userId) { 3601 if (!sUserManager.exists(userId)) { 3602 return PackageManager.PERMISSION_DENIED; 3603 } 3604 3605 synchronized (mPackages) { 3606 final PackageParser.Package p = mPackages.get(pkgName); 3607 if (p != null && p.mExtras != null) { 3608 final PackageSetting ps = (PackageSetting) p.mExtras; 3609 final PermissionsState permissionsState = ps.getPermissionsState(); 3610 if (permissionsState.hasPermission(permName, userId)) { 3611 return PackageManager.PERMISSION_GRANTED; 3612 } 3613 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3614 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3615 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3616 return PackageManager.PERMISSION_GRANTED; 3617 } 3618 } 3619 } 3620 3621 return PackageManager.PERMISSION_DENIED; 3622 } 3623 3624 @Override 3625 public int checkUidPermission(String permName, int uid) { 3626 final int userId = UserHandle.getUserId(uid); 3627 3628 if (!sUserManager.exists(userId)) { 3629 return PackageManager.PERMISSION_DENIED; 3630 } 3631 3632 synchronized (mPackages) { 3633 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3634 if (obj != null) { 3635 final SettingBase ps = (SettingBase) obj; 3636 final PermissionsState permissionsState = ps.getPermissionsState(); 3637 if (permissionsState.hasPermission(permName, userId)) { 3638 return PackageManager.PERMISSION_GRANTED; 3639 } 3640 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3641 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3642 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3643 return PackageManager.PERMISSION_GRANTED; 3644 } 3645 } else { 3646 ArraySet<String> perms = mSystemPermissions.get(uid); 3647 if (perms != null) { 3648 if (perms.contains(permName)) { 3649 return PackageManager.PERMISSION_GRANTED; 3650 } 3651 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3652 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3653 return PackageManager.PERMISSION_GRANTED; 3654 } 3655 } 3656 } 3657 } 3658 3659 return PackageManager.PERMISSION_DENIED; 3660 } 3661 3662 @Override 3663 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3664 if (UserHandle.getCallingUserId() != userId) { 3665 mContext.enforceCallingPermission( 3666 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3667 "isPermissionRevokedByPolicy for user " + userId); 3668 } 3669 3670 if (checkPermission(permission, packageName, userId) 3671 == PackageManager.PERMISSION_GRANTED) { 3672 return false; 3673 } 3674 3675 final long identity = Binder.clearCallingIdentity(); 3676 try { 3677 final int flags = getPermissionFlags(permission, packageName, userId); 3678 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3679 } finally { 3680 Binder.restoreCallingIdentity(identity); 3681 } 3682 } 3683 3684 @Override 3685 public String getPermissionControllerPackageName() { 3686 synchronized (mPackages) { 3687 return mRequiredInstallerPackage; 3688 } 3689 } 3690 3691 /** 3692 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3693 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3694 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3695 * @param message the message to log on security exception 3696 */ 3697 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3698 boolean checkShell, String message) { 3699 if (userId < 0) { 3700 throw new IllegalArgumentException("Invalid userId " + userId); 3701 } 3702 if (checkShell) { 3703 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3704 } 3705 if (userId == UserHandle.getUserId(callingUid)) return; 3706 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3707 if (requireFullPermission) { 3708 mContext.enforceCallingOrSelfPermission( 3709 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3710 } else { 3711 try { 3712 mContext.enforceCallingOrSelfPermission( 3713 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3714 } catch (SecurityException se) { 3715 mContext.enforceCallingOrSelfPermission( 3716 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3717 } 3718 } 3719 } 3720 } 3721 3722 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3723 if (callingUid == Process.SHELL_UID) { 3724 if (userHandle >= 0 3725 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3726 throw new SecurityException("Shell does not have permission to access user " 3727 + userHandle); 3728 } else if (userHandle < 0) { 3729 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3730 + Debug.getCallers(3)); 3731 } 3732 } 3733 } 3734 3735 private BasePermission findPermissionTreeLP(String permName) { 3736 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3737 if (permName.startsWith(bp.name) && 3738 permName.length() > bp.name.length() && 3739 permName.charAt(bp.name.length()) == '.') { 3740 return bp; 3741 } 3742 } 3743 return null; 3744 } 3745 3746 private BasePermission checkPermissionTreeLP(String permName) { 3747 if (permName != null) { 3748 BasePermission bp = findPermissionTreeLP(permName); 3749 if (bp != null) { 3750 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3751 return bp; 3752 } 3753 throw new SecurityException("Calling uid " 3754 + Binder.getCallingUid() 3755 + " is not allowed to add to permission tree " 3756 + bp.name + " owned by uid " + bp.uid); 3757 } 3758 } 3759 throw new SecurityException("No permission tree found for " + permName); 3760 } 3761 3762 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3763 if (s1 == null) { 3764 return s2 == null; 3765 } 3766 if (s2 == null) { 3767 return false; 3768 } 3769 if (s1.getClass() != s2.getClass()) { 3770 return false; 3771 } 3772 return s1.equals(s2); 3773 } 3774 3775 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3776 if (pi1.icon != pi2.icon) return false; 3777 if (pi1.logo != pi2.logo) return false; 3778 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3779 if (!compareStrings(pi1.name, pi2.name)) return false; 3780 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3781 // We'll take care of setting this one. 3782 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3783 // These are not currently stored in settings. 3784 //if (!compareStrings(pi1.group, pi2.group)) return false; 3785 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3786 //if (pi1.labelRes != pi2.labelRes) return false; 3787 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3788 return true; 3789 } 3790 3791 int permissionInfoFootprint(PermissionInfo info) { 3792 int size = info.name.length(); 3793 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3794 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3795 return size; 3796 } 3797 3798 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3799 int size = 0; 3800 for (BasePermission perm : mSettings.mPermissions.values()) { 3801 if (perm.uid == tree.uid) { 3802 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3803 } 3804 } 3805 return size; 3806 } 3807 3808 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3809 // We calculate the max size of permissions defined by this uid and throw 3810 // if that plus the size of 'info' would exceed our stated maximum. 3811 if (tree.uid != Process.SYSTEM_UID) { 3812 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3813 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3814 throw new SecurityException("Permission tree size cap exceeded"); 3815 } 3816 } 3817 } 3818 3819 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3820 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3821 throw new SecurityException("Label must be specified in permission"); 3822 } 3823 BasePermission tree = checkPermissionTreeLP(info.name); 3824 BasePermission bp = mSettings.mPermissions.get(info.name); 3825 boolean added = bp == null; 3826 boolean changed = true; 3827 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3828 if (added) { 3829 enforcePermissionCapLocked(info, tree); 3830 bp = new BasePermission(info.name, tree.sourcePackage, 3831 BasePermission.TYPE_DYNAMIC); 3832 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3833 throw new SecurityException( 3834 "Not allowed to modify non-dynamic permission " 3835 + info.name); 3836 } else { 3837 if (bp.protectionLevel == fixedLevel 3838 && bp.perm.owner.equals(tree.perm.owner) 3839 && bp.uid == tree.uid 3840 && comparePermissionInfos(bp.perm.info, info)) { 3841 changed = false; 3842 } 3843 } 3844 bp.protectionLevel = fixedLevel; 3845 info = new PermissionInfo(info); 3846 info.protectionLevel = fixedLevel; 3847 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3848 bp.perm.info.packageName = tree.perm.info.packageName; 3849 bp.uid = tree.uid; 3850 if (added) { 3851 mSettings.mPermissions.put(info.name, bp); 3852 } 3853 if (changed) { 3854 if (!async) { 3855 mSettings.writeLPr(); 3856 } else { 3857 scheduleWriteSettingsLocked(); 3858 } 3859 } 3860 return added; 3861 } 3862 3863 @Override 3864 public boolean addPermission(PermissionInfo info) { 3865 synchronized (mPackages) { 3866 return addPermissionLocked(info, false); 3867 } 3868 } 3869 3870 @Override 3871 public boolean addPermissionAsync(PermissionInfo info) { 3872 synchronized (mPackages) { 3873 return addPermissionLocked(info, true); 3874 } 3875 } 3876 3877 @Override 3878 public void removePermission(String name) { 3879 synchronized (mPackages) { 3880 checkPermissionTreeLP(name); 3881 BasePermission bp = mSettings.mPermissions.get(name); 3882 if (bp != null) { 3883 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3884 throw new SecurityException( 3885 "Not allowed to modify non-dynamic permission " 3886 + name); 3887 } 3888 mSettings.mPermissions.remove(name); 3889 mSettings.writeLPr(); 3890 } 3891 } 3892 } 3893 3894 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3895 BasePermission bp) { 3896 int index = pkg.requestedPermissions.indexOf(bp.name); 3897 if (index == -1) { 3898 throw new SecurityException("Package " + pkg.packageName 3899 + " has not requested permission " + bp.name); 3900 } 3901 if (!bp.isRuntime() && !bp.isDevelopment()) { 3902 throw new SecurityException("Permission " + bp.name 3903 + " is not a changeable permission type"); 3904 } 3905 } 3906 3907 @Override 3908 public void grantRuntimePermission(String packageName, String name, final int userId) { 3909 if (!sUserManager.exists(userId)) { 3910 Log.e(TAG, "No such user:" + userId); 3911 return; 3912 } 3913 3914 mContext.enforceCallingOrSelfPermission( 3915 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3916 "grantRuntimePermission"); 3917 3918 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3919 true /* requireFullPermission */, true /* checkShell */, 3920 "grantRuntimePermission"); 3921 3922 final int uid; 3923 final SettingBase sb; 3924 3925 synchronized (mPackages) { 3926 final PackageParser.Package pkg = mPackages.get(packageName); 3927 if (pkg == null) { 3928 throw new IllegalArgumentException("Unknown package: " + packageName); 3929 } 3930 3931 final BasePermission bp = mSettings.mPermissions.get(name); 3932 if (bp == null) { 3933 throw new IllegalArgumentException("Unknown permission: " + name); 3934 } 3935 3936 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3937 3938 // If a permission review is required for legacy apps we represent 3939 // their permissions as always granted runtime ones since we need 3940 // to keep the review required permission flag per user while an 3941 // install permission's state is shared across all users. 3942 if (Build.PERMISSIONS_REVIEW_REQUIRED 3943 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3944 && bp.isRuntime()) { 3945 return; 3946 } 3947 3948 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3949 sb = (SettingBase) pkg.mExtras; 3950 if (sb == null) { 3951 throw new IllegalArgumentException("Unknown package: " + packageName); 3952 } 3953 3954 final PermissionsState permissionsState = sb.getPermissionsState(); 3955 3956 final int flags = permissionsState.getPermissionFlags(name, userId); 3957 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3958 throw new SecurityException("Cannot grant system fixed permission " 3959 + name + " for package " + packageName); 3960 } 3961 3962 if (bp.isDevelopment()) { 3963 // Development permissions must be handled specially, since they are not 3964 // normal runtime permissions. For now they apply to all users. 3965 if (permissionsState.grantInstallPermission(bp) != 3966 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3967 scheduleWriteSettingsLocked(); 3968 } 3969 return; 3970 } 3971 3972 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3973 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3974 return; 3975 } 3976 3977 final int result = permissionsState.grantRuntimePermission(bp, userId); 3978 switch (result) { 3979 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3980 return; 3981 } 3982 3983 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3984 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3985 mHandler.post(new Runnable() { 3986 @Override 3987 public void run() { 3988 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3989 } 3990 }); 3991 } 3992 break; 3993 } 3994 3995 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3996 3997 // Not critical if that is lost - app has to request again. 3998 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3999 } 4000 4001 // Only need to do this if user is initialized. Otherwise it's a new user 4002 // and there are no processes running as the user yet and there's no need 4003 // to make an expensive call to remount processes for the changed permissions. 4004 if (READ_EXTERNAL_STORAGE.equals(name) 4005 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4006 final long token = Binder.clearCallingIdentity(); 4007 try { 4008 if (sUserManager.isInitialized(userId)) { 4009 MountServiceInternal mountServiceInternal = LocalServices.getService( 4010 MountServiceInternal.class); 4011 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4012 } 4013 } finally { 4014 Binder.restoreCallingIdentity(token); 4015 } 4016 } 4017 } 4018 4019 @Override 4020 public void revokeRuntimePermission(String packageName, String name, int userId) { 4021 if (!sUserManager.exists(userId)) { 4022 Log.e(TAG, "No such user:" + userId); 4023 return; 4024 } 4025 4026 mContext.enforceCallingOrSelfPermission( 4027 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4028 "revokeRuntimePermission"); 4029 4030 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4031 true /* requireFullPermission */, true /* checkShell */, 4032 "revokeRuntimePermission"); 4033 4034 final int appId; 4035 4036 synchronized (mPackages) { 4037 final PackageParser.Package pkg = mPackages.get(packageName); 4038 if (pkg == null) { 4039 throw new IllegalArgumentException("Unknown package: " + packageName); 4040 } 4041 4042 final BasePermission bp = mSettings.mPermissions.get(name); 4043 if (bp == null) { 4044 throw new IllegalArgumentException("Unknown permission: " + name); 4045 } 4046 4047 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4048 4049 // If a permission review is required for legacy apps we represent 4050 // their permissions as always granted runtime ones since we need 4051 // to keep the review required permission flag per user while an 4052 // install permission's state is shared across all users. 4053 if (Build.PERMISSIONS_REVIEW_REQUIRED 4054 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4055 && bp.isRuntime()) { 4056 return; 4057 } 4058 4059 SettingBase sb = (SettingBase) pkg.mExtras; 4060 if (sb == null) { 4061 throw new IllegalArgumentException("Unknown package: " + packageName); 4062 } 4063 4064 final PermissionsState permissionsState = sb.getPermissionsState(); 4065 4066 final int flags = permissionsState.getPermissionFlags(name, userId); 4067 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4068 throw new SecurityException("Cannot revoke system fixed permission " 4069 + name + " for package " + packageName); 4070 } 4071 4072 if (bp.isDevelopment()) { 4073 // Development permissions must be handled specially, since they are not 4074 // normal runtime permissions. For now they apply to all users. 4075 if (permissionsState.revokeInstallPermission(bp) != 4076 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4077 scheduleWriteSettingsLocked(); 4078 } 4079 return; 4080 } 4081 4082 if (permissionsState.revokeRuntimePermission(bp, userId) == 4083 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4084 return; 4085 } 4086 4087 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4088 4089 // Critical, after this call app should never have the permission. 4090 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4091 4092 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4093 } 4094 4095 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4096 } 4097 4098 @Override 4099 public void resetRuntimePermissions() { 4100 mContext.enforceCallingOrSelfPermission( 4101 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4102 "revokeRuntimePermission"); 4103 4104 int callingUid = Binder.getCallingUid(); 4105 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4106 mContext.enforceCallingOrSelfPermission( 4107 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4108 "resetRuntimePermissions"); 4109 } 4110 4111 synchronized (mPackages) { 4112 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4113 for (int userId : UserManagerService.getInstance().getUserIds()) { 4114 final int packageCount = mPackages.size(); 4115 for (int i = 0; i < packageCount; i++) { 4116 PackageParser.Package pkg = mPackages.valueAt(i); 4117 if (!(pkg.mExtras instanceof PackageSetting)) { 4118 continue; 4119 } 4120 PackageSetting ps = (PackageSetting) pkg.mExtras; 4121 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4122 } 4123 } 4124 } 4125 } 4126 4127 @Override 4128 public int getPermissionFlags(String name, String packageName, int userId) { 4129 if (!sUserManager.exists(userId)) { 4130 return 0; 4131 } 4132 4133 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4134 4135 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4136 true /* requireFullPermission */, false /* checkShell */, 4137 "getPermissionFlags"); 4138 4139 synchronized (mPackages) { 4140 final PackageParser.Package pkg = mPackages.get(packageName); 4141 if (pkg == null) { 4142 throw new IllegalArgumentException("Unknown package: " + packageName); 4143 } 4144 4145 final BasePermission bp = mSettings.mPermissions.get(name); 4146 if (bp == null) { 4147 throw new IllegalArgumentException("Unknown permission: " + name); 4148 } 4149 4150 SettingBase sb = (SettingBase) pkg.mExtras; 4151 if (sb == null) { 4152 throw new IllegalArgumentException("Unknown package: " + packageName); 4153 } 4154 4155 PermissionsState permissionsState = sb.getPermissionsState(); 4156 return permissionsState.getPermissionFlags(name, userId); 4157 } 4158 } 4159 4160 @Override 4161 public void updatePermissionFlags(String name, String packageName, int flagMask, 4162 int flagValues, int userId) { 4163 if (!sUserManager.exists(userId)) { 4164 return; 4165 } 4166 4167 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4168 4169 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4170 true /* requireFullPermission */, true /* checkShell */, 4171 "updatePermissionFlags"); 4172 4173 // Only the system can change these flags and nothing else. 4174 if (getCallingUid() != Process.SYSTEM_UID) { 4175 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4176 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4177 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4178 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4179 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4180 } 4181 4182 synchronized (mPackages) { 4183 final PackageParser.Package pkg = mPackages.get(packageName); 4184 if (pkg == null) { 4185 throw new IllegalArgumentException("Unknown package: " + packageName); 4186 } 4187 4188 final BasePermission bp = mSettings.mPermissions.get(name); 4189 if (bp == null) { 4190 throw new IllegalArgumentException("Unknown permission: " + name); 4191 } 4192 4193 SettingBase sb = (SettingBase) pkg.mExtras; 4194 if (sb == null) { 4195 throw new IllegalArgumentException("Unknown package: " + packageName); 4196 } 4197 4198 PermissionsState permissionsState = sb.getPermissionsState(); 4199 4200 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4201 4202 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4203 // Install and runtime permissions are stored in different places, 4204 // so figure out what permission changed and persist the change. 4205 if (permissionsState.getInstallPermissionState(name) != null) { 4206 scheduleWriteSettingsLocked(); 4207 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4208 || hadState) { 4209 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4210 } 4211 } 4212 } 4213 } 4214 4215 /** 4216 * Update the permission flags for all packages and runtime permissions of a user in order 4217 * to allow device or profile owner to remove POLICY_FIXED. 4218 */ 4219 @Override 4220 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4221 if (!sUserManager.exists(userId)) { 4222 return; 4223 } 4224 4225 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4226 4227 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4228 true /* requireFullPermission */, true /* checkShell */, 4229 "updatePermissionFlagsForAllApps"); 4230 4231 // Only the system can change system fixed flags. 4232 if (getCallingUid() != Process.SYSTEM_UID) { 4233 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4234 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4235 } 4236 4237 synchronized (mPackages) { 4238 boolean changed = false; 4239 final int packageCount = mPackages.size(); 4240 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4241 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4242 SettingBase sb = (SettingBase) pkg.mExtras; 4243 if (sb == null) { 4244 continue; 4245 } 4246 PermissionsState permissionsState = sb.getPermissionsState(); 4247 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4248 userId, flagMask, flagValues); 4249 } 4250 if (changed) { 4251 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4252 } 4253 } 4254 } 4255 4256 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4257 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4258 != PackageManager.PERMISSION_GRANTED 4259 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4260 != PackageManager.PERMISSION_GRANTED) { 4261 throw new SecurityException(message + " requires " 4262 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4263 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4264 } 4265 } 4266 4267 @Override 4268 public boolean shouldShowRequestPermissionRationale(String permissionName, 4269 String packageName, int userId) { 4270 if (UserHandle.getCallingUserId() != userId) { 4271 mContext.enforceCallingPermission( 4272 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4273 "canShowRequestPermissionRationale for user " + userId); 4274 } 4275 4276 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4277 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4278 return false; 4279 } 4280 4281 if (checkPermission(permissionName, packageName, userId) 4282 == PackageManager.PERMISSION_GRANTED) { 4283 return false; 4284 } 4285 4286 final int flags; 4287 4288 final long identity = Binder.clearCallingIdentity(); 4289 try { 4290 flags = getPermissionFlags(permissionName, 4291 packageName, userId); 4292 } finally { 4293 Binder.restoreCallingIdentity(identity); 4294 } 4295 4296 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4297 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4298 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4299 4300 if ((flags & fixedFlags) != 0) { 4301 return false; 4302 } 4303 4304 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4305 } 4306 4307 @Override 4308 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4309 mContext.enforceCallingOrSelfPermission( 4310 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4311 "addOnPermissionsChangeListener"); 4312 4313 synchronized (mPackages) { 4314 mOnPermissionChangeListeners.addListenerLocked(listener); 4315 } 4316 } 4317 4318 @Override 4319 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4320 synchronized (mPackages) { 4321 mOnPermissionChangeListeners.removeListenerLocked(listener); 4322 } 4323 } 4324 4325 @Override 4326 public boolean isProtectedBroadcast(String actionName) { 4327 synchronized (mPackages) { 4328 if (mProtectedBroadcasts.contains(actionName)) { 4329 return true; 4330 } else if (actionName != null) { 4331 // TODO: remove these terrible hacks 4332 if (actionName.startsWith("android.net.netmon.lingerExpired") 4333 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4334 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4335 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4336 return true; 4337 } 4338 } 4339 } 4340 return false; 4341 } 4342 4343 @Override 4344 public int checkSignatures(String pkg1, String pkg2) { 4345 synchronized (mPackages) { 4346 final PackageParser.Package p1 = mPackages.get(pkg1); 4347 final PackageParser.Package p2 = mPackages.get(pkg2); 4348 if (p1 == null || p1.mExtras == null 4349 || p2 == null || p2.mExtras == null) { 4350 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4351 } 4352 return compareSignatures(p1.mSignatures, p2.mSignatures); 4353 } 4354 } 4355 4356 @Override 4357 public int checkUidSignatures(int uid1, int uid2) { 4358 // Map to base uids. 4359 uid1 = UserHandle.getAppId(uid1); 4360 uid2 = UserHandle.getAppId(uid2); 4361 // reader 4362 synchronized (mPackages) { 4363 Signature[] s1; 4364 Signature[] s2; 4365 Object obj = mSettings.getUserIdLPr(uid1); 4366 if (obj != null) { 4367 if (obj instanceof SharedUserSetting) { 4368 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4369 } else if (obj instanceof PackageSetting) { 4370 s1 = ((PackageSetting)obj).signatures.mSignatures; 4371 } else { 4372 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4373 } 4374 } else { 4375 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4376 } 4377 obj = mSettings.getUserIdLPr(uid2); 4378 if (obj != null) { 4379 if (obj instanceof SharedUserSetting) { 4380 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4381 } else if (obj instanceof PackageSetting) { 4382 s2 = ((PackageSetting)obj).signatures.mSignatures; 4383 } else { 4384 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4385 } 4386 } else { 4387 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4388 } 4389 return compareSignatures(s1, s2); 4390 } 4391 } 4392 4393 private void killUid(int appId, int userId, String reason) { 4394 final long identity = Binder.clearCallingIdentity(); 4395 try { 4396 IActivityManager am = ActivityManagerNative.getDefault(); 4397 if (am != null) { 4398 try { 4399 am.killUid(appId, userId, reason); 4400 } catch (RemoteException e) { 4401 /* ignore - same process */ 4402 } 4403 } 4404 } finally { 4405 Binder.restoreCallingIdentity(identity); 4406 } 4407 } 4408 4409 /** 4410 * Compares two sets of signatures. Returns: 4411 * <br /> 4412 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4413 * <br /> 4414 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4415 * <br /> 4416 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4417 * <br /> 4418 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4419 * <br /> 4420 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4421 */ 4422 static int compareSignatures(Signature[] s1, Signature[] s2) { 4423 if (s1 == null) { 4424 return s2 == null 4425 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4426 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4427 } 4428 4429 if (s2 == null) { 4430 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4431 } 4432 4433 if (s1.length != s2.length) { 4434 return PackageManager.SIGNATURE_NO_MATCH; 4435 } 4436 4437 // Since both signature sets are of size 1, we can compare without HashSets. 4438 if (s1.length == 1) { 4439 return s1[0].equals(s2[0]) ? 4440 PackageManager.SIGNATURE_MATCH : 4441 PackageManager.SIGNATURE_NO_MATCH; 4442 } 4443 4444 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4445 for (Signature sig : s1) { 4446 set1.add(sig); 4447 } 4448 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4449 for (Signature sig : s2) { 4450 set2.add(sig); 4451 } 4452 // Make sure s2 contains all signatures in s1. 4453 if (set1.equals(set2)) { 4454 return PackageManager.SIGNATURE_MATCH; 4455 } 4456 return PackageManager.SIGNATURE_NO_MATCH; 4457 } 4458 4459 /** 4460 * If the database version for this type of package (internal storage or 4461 * external storage) is less than the version where package signatures 4462 * were updated, return true. 4463 */ 4464 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4465 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4466 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4467 } 4468 4469 /** 4470 * Used for backward compatibility to make sure any packages with 4471 * certificate chains get upgraded to the new style. {@code existingSigs} 4472 * will be in the old format (since they were stored on disk from before the 4473 * system upgrade) and {@code scannedSigs} will be in the newer format. 4474 */ 4475 private int compareSignaturesCompat(PackageSignatures existingSigs, 4476 PackageParser.Package scannedPkg) { 4477 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4478 return PackageManager.SIGNATURE_NO_MATCH; 4479 } 4480 4481 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4482 for (Signature sig : existingSigs.mSignatures) { 4483 existingSet.add(sig); 4484 } 4485 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4486 for (Signature sig : scannedPkg.mSignatures) { 4487 try { 4488 Signature[] chainSignatures = sig.getChainSignatures(); 4489 for (Signature chainSig : chainSignatures) { 4490 scannedCompatSet.add(chainSig); 4491 } 4492 } catch (CertificateEncodingException e) { 4493 scannedCompatSet.add(sig); 4494 } 4495 } 4496 /* 4497 * Make sure the expanded scanned set contains all signatures in the 4498 * existing one. 4499 */ 4500 if (scannedCompatSet.equals(existingSet)) { 4501 // Migrate the old signatures to the new scheme. 4502 existingSigs.assignSignatures(scannedPkg.mSignatures); 4503 // The new KeySets will be re-added later in the scanning process. 4504 synchronized (mPackages) { 4505 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4506 } 4507 return PackageManager.SIGNATURE_MATCH; 4508 } 4509 return PackageManager.SIGNATURE_NO_MATCH; 4510 } 4511 4512 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4513 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4514 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4515 } 4516 4517 private int compareSignaturesRecover(PackageSignatures existingSigs, 4518 PackageParser.Package scannedPkg) { 4519 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4520 return PackageManager.SIGNATURE_NO_MATCH; 4521 } 4522 4523 String msg = null; 4524 try { 4525 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4526 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4527 + scannedPkg.packageName); 4528 return PackageManager.SIGNATURE_MATCH; 4529 } 4530 } catch (CertificateException e) { 4531 msg = e.getMessage(); 4532 } 4533 4534 logCriticalInfo(Log.INFO, 4535 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4536 return PackageManager.SIGNATURE_NO_MATCH; 4537 } 4538 4539 @Override 4540 public List<String> getAllPackages() { 4541 synchronized (mPackages) { 4542 return new ArrayList<String>(mPackages.keySet()); 4543 } 4544 } 4545 4546 @Override 4547 public String[] getPackagesForUid(int uid) { 4548 uid = UserHandle.getAppId(uid); 4549 // reader 4550 synchronized (mPackages) { 4551 Object obj = mSettings.getUserIdLPr(uid); 4552 if (obj instanceof SharedUserSetting) { 4553 final SharedUserSetting sus = (SharedUserSetting) obj; 4554 final int N = sus.packages.size(); 4555 final String[] res = new String[N]; 4556 final Iterator<PackageSetting> it = sus.packages.iterator(); 4557 int i = 0; 4558 while (it.hasNext()) { 4559 res[i++] = it.next().name; 4560 } 4561 return res; 4562 } else if (obj instanceof PackageSetting) { 4563 final PackageSetting ps = (PackageSetting) obj; 4564 return new String[] { ps.name }; 4565 } 4566 } 4567 return null; 4568 } 4569 4570 @Override 4571 public String getNameForUid(int uid) { 4572 // reader 4573 synchronized (mPackages) { 4574 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4575 if (obj instanceof SharedUserSetting) { 4576 final SharedUserSetting sus = (SharedUserSetting) obj; 4577 return sus.name + ":" + sus.userId; 4578 } else if (obj instanceof PackageSetting) { 4579 final PackageSetting ps = (PackageSetting) obj; 4580 return ps.name; 4581 } 4582 } 4583 return null; 4584 } 4585 4586 @Override 4587 public int getUidForSharedUser(String sharedUserName) { 4588 if(sharedUserName == null) { 4589 return -1; 4590 } 4591 // reader 4592 synchronized (mPackages) { 4593 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4594 if (suid == null) { 4595 return -1; 4596 } 4597 return suid.userId; 4598 } 4599 } 4600 4601 @Override 4602 public int getFlagsForUid(int uid) { 4603 synchronized (mPackages) { 4604 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4605 if (obj instanceof SharedUserSetting) { 4606 final SharedUserSetting sus = (SharedUserSetting) obj; 4607 return sus.pkgFlags; 4608 } else if (obj instanceof PackageSetting) { 4609 final PackageSetting ps = (PackageSetting) obj; 4610 return ps.pkgFlags; 4611 } 4612 } 4613 return 0; 4614 } 4615 4616 @Override 4617 public int getPrivateFlagsForUid(int uid) { 4618 synchronized (mPackages) { 4619 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4620 if (obj instanceof SharedUserSetting) { 4621 final SharedUserSetting sus = (SharedUserSetting) obj; 4622 return sus.pkgPrivateFlags; 4623 } else if (obj instanceof PackageSetting) { 4624 final PackageSetting ps = (PackageSetting) obj; 4625 return ps.pkgPrivateFlags; 4626 } 4627 } 4628 return 0; 4629 } 4630 4631 @Override 4632 public boolean isUidPrivileged(int uid) { 4633 uid = UserHandle.getAppId(uid); 4634 // reader 4635 synchronized (mPackages) { 4636 Object obj = mSettings.getUserIdLPr(uid); 4637 if (obj instanceof SharedUserSetting) { 4638 final SharedUserSetting sus = (SharedUserSetting) obj; 4639 final Iterator<PackageSetting> it = sus.packages.iterator(); 4640 while (it.hasNext()) { 4641 if (it.next().isPrivileged()) { 4642 return true; 4643 } 4644 } 4645 } else if (obj instanceof PackageSetting) { 4646 final PackageSetting ps = (PackageSetting) obj; 4647 return ps.isPrivileged(); 4648 } 4649 } 4650 return false; 4651 } 4652 4653 @Override 4654 public String[] getAppOpPermissionPackages(String permissionName) { 4655 synchronized (mPackages) { 4656 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4657 if (pkgs == null) { 4658 return null; 4659 } 4660 return pkgs.toArray(new String[pkgs.size()]); 4661 } 4662 } 4663 4664 @Override 4665 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4666 int flags, int userId) { 4667 if (!sUserManager.exists(userId)) return null; 4668 flags = updateFlagsForResolve(flags, userId, intent); 4669 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4670 false /* requireFullPermission */, false /* checkShell */, "resolve intent"); 4671 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4672 userId); 4673 final ResolveInfo bestChoice = 4674 chooseBestActivity(intent, resolvedType, flags, query, userId); 4675 4676 if (isEphemeralAllowed(intent, query, userId)) { 4677 final EphemeralResolveInfo ai = 4678 getEphemeralResolveInfo(intent, resolvedType, userId); 4679 if (ai != null) { 4680 if (DEBUG_EPHEMERAL) { 4681 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4682 } 4683 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4684 bestChoice.ephemeralResolveInfo = ai; 4685 } 4686 } 4687 return bestChoice; 4688 } 4689 4690 @Override 4691 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4692 IntentFilter filter, int match, ComponentName activity) { 4693 final int userId = UserHandle.getCallingUserId(); 4694 if (DEBUG_PREFERRED) { 4695 Log.v(TAG, "setLastChosenActivity intent=" + intent 4696 + " resolvedType=" + resolvedType 4697 + " flags=" + flags 4698 + " filter=" + filter 4699 + " match=" + match 4700 + " activity=" + activity); 4701 filter.dump(new PrintStreamPrinter(System.out), " "); 4702 } 4703 intent.setComponent(null); 4704 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4705 userId); 4706 // Find any earlier preferred or last chosen entries and nuke them 4707 findPreferredActivity(intent, resolvedType, 4708 flags, query, 0, false, true, false, userId); 4709 // Add the new activity as the last chosen for this filter 4710 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4711 "Setting last chosen"); 4712 } 4713 4714 @Override 4715 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4716 final int userId = UserHandle.getCallingUserId(); 4717 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4718 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4719 userId); 4720 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4721 false, false, false, userId); 4722 } 4723 4724 4725 private boolean isEphemeralAllowed( 4726 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4727 // Short circuit and return early if possible. 4728 if (DISABLE_EPHEMERAL_APPS) { 4729 return false; 4730 } 4731 final int callingUser = UserHandle.getCallingUserId(); 4732 if (callingUser != UserHandle.USER_SYSTEM) { 4733 return false; 4734 } 4735 if (mEphemeralResolverConnection == null) { 4736 return false; 4737 } 4738 if (intent.getComponent() != null) { 4739 return false; 4740 } 4741 if (intent.getPackage() != null) { 4742 return false; 4743 } 4744 final boolean isWebUri = hasWebURI(intent); 4745 if (!isWebUri) { 4746 return false; 4747 } 4748 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4749 synchronized (mPackages) { 4750 final int count = resolvedActivites.size(); 4751 for (int n = 0; n < count; n++) { 4752 ResolveInfo info = resolvedActivites.get(n); 4753 String packageName = info.activityInfo.packageName; 4754 PackageSetting ps = mSettings.mPackages.get(packageName); 4755 if (ps != null) { 4756 // Try to get the status from User settings first 4757 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4758 int status = (int) (packedStatus >> 32); 4759 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4760 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4761 if (DEBUG_EPHEMERAL) { 4762 Slog.v(TAG, "DENY ephemeral apps;" 4763 + " pkg: " + packageName + ", status: " + status); 4764 } 4765 return false; 4766 } 4767 } 4768 } 4769 } 4770 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4771 return true; 4772 } 4773 4774 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4775 int userId) { 4776 MessageDigest digest = null; 4777 try { 4778 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4779 } catch (NoSuchAlgorithmException e) { 4780 // If we can't create a digest, ignore ephemeral apps. 4781 return null; 4782 } 4783 4784 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4785 final byte[] digestBytes = digest.digest(hostBytes); 4786 int shaPrefix = 4787 digestBytes[0] << 24 4788 | digestBytes[1] << 16 4789 | digestBytes[2] << 8 4790 | digestBytes[3] << 0; 4791 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4792 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4793 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4794 // No hash prefix match; there are no ephemeral apps for this domain. 4795 return null; 4796 } 4797 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4798 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4799 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4800 continue; 4801 } 4802 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4803 // No filters; this should never happen. 4804 if (filters.isEmpty()) { 4805 continue; 4806 } 4807 // We have a domain match; resolve the filters to see if anything matches. 4808 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4809 for (int j = filters.size() - 1; j >= 0; --j) { 4810 final EphemeralResolveIntentInfo intentInfo = 4811 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4812 ephemeralResolver.addFilter(intentInfo); 4813 } 4814 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4815 intent, resolvedType, false /*defaultOnly*/, userId); 4816 if (!matchedResolveInfoList.isEmpty()) { 4817 return matchedResolveInfoList.get(0); 4818 } 4819 } 4820 // Hash or filter mis-match; no ephemeral apps for this domain. 4821 return null; 4822 } 4823 4824 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4825 int flags, List<ResolveInfo> query, int userId) { 4826 if (query != null) { 4827 final int N = query.size(); 4828 if (N == 1) { 4829 return query.get(0); 4830 } else if (N > 1) { 4831 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4832 // If there is more than one activity with the same priority, 4833 // then let the user decide between them. 4834 ResolveInfo r0 = query.get(0); 4835 ResolveInfo r1 = query.get(1); 4836 if (DEBUG_INTENT_MATCHING || debug) { 4837 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4838 + r1.activityInfo.name + "=" + r1.priority); 4839 } 4840 // If the first activity has a higher priority, or a different 4841 // default, then it is always desirable to pick it. 4842 if (r0.priority != r1.priority 4843 || r0.preferredOrder != r1.preferredOrder 4844 || r0.isDefault != r1.isDefault) { 4845 return query.get(0); 4846 } 4847 // If we have saved a preference for a preferred activity for 4848 // this Intent, use that. 4849 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4850 flags, query, r0.priority, true, false, debug, userId); 4851 if (ri != null) { 4852 return ri; 4853 } 4854 ri = new ResolveInfo(mResolveInfo); 4855 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4856 ri.activityInfo.applicationInfo = new ApplicationInfo( 4857 ri.activityInfo.applicationInfo); 4858 if (userId != 0) { 4859 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4860 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4861 } 4862 // Make sure that the resolver is displayable in car mode 4863 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4864 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4865 return ri; 4866 } 4867 } 4868 return null; 4869 } 4870 4871 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4872 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4873 final int N = query.size(); 4874 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4875 .get(userId); 4876 // Get the list of persistent preferred activities that handle the intent 4877 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4878 List<PersistentPreferredActivity> pprefs = ppir != null 4879 ? ppir.queryIntent(intent, resolvedType, 4880 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4881 : null; 4882 if (pprefs != null && pprefs.size() > 0) { 4883 final int M = pprefs.size(); 4884 for (int i=0; i<M; i++) { 4885 final PersistentPreferredActivity ppa = pprefs.get(i); 4886 if (DEBUG_PREFERRED || debug) { 4887 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4888 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4889 + "\n component=" + ppa.mComponent); 4890 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4891 } 4892 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4893 flags | MATCH_DISABLED_COMPONENTS, userId); 4894 if (DEBUG_PREFERRED || debug) { 4895 Slog.v(TAG, "Found persistent preferred activity:"); 4896 if (ai != null) { 4897 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4898 } else { 4899 Slog.v(TAG, " null"); 4900 } 4901 } 4902 if (ai == null) { 4903 // This previously registered persistent preferred activity 4904 // component is no longer known. Ignore it and do NOT remove it. 4905 continue; 4906 } 4907 for (int j=0; j<N; j++) { 4908 final ResolveInfo ri = query.get(j); 4909 if (!ri.activityInfo.applicationInfo.packageName 4910 .equals(ai.applicationInfo.packageName)) { 4911 continue; 4912 } 4913 if (!ri.activityInfo.name.equals(ai.name)) { 4914 continue; 4915 } 4916 // Found a persistent preference that can handle the intent. 4917 if (DEBUG_PREFERRED || debug) { 4918 Slog.v(TAG, "Returning persistent preferred activity: " + 4919 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4920 } 4921 return ri; 4922 } 4923 } 4924 } 4925 return null; 4926 } 4927 4928 // TODO: handle preferred activities missing while user has amnesia 4929 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4930 List<ResolveInfo> query, int priority, boolean always, 4931 boolean removeMatches, boolean debug, int userId) { 4932 if (!sUserManager.exists(userId)) return null; 4933 flags = updateFlagsForResolve(flags, userId, intent); 4934 // writer 4935 synchronized (mPackages) { 4936 if (intent.getSelector() != null) { 4937 intent = intent.getSelector(); 4938 } 4939 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4940 4941 // Try to find a matching persistent preferred activity. 4942 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4943 debug, userId); 4944 4945 // If a persistent preferred activity matched, use it. 4946 if (pri != null) { 4947 return pri; 4948 } 4949 4950 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4951 // Get the list of preferred activities that handle the intent 4952 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4953 List<PreferredActivity> prefs = pir != null 4954 ? pir.queryIntent(intent, resolvedType, 4955 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4956 : null; 4957 if (prefs != null && prefs.size() > 0) { 4958 boolean changed = false; 4959 try { 4960 // First figure out how good the original match set is. 4961 // We will only allow preferred activities that came 4962 // from the same match quality. 4963 int match = 0; 4964 4965 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4966 4967 final int N = query.size(); 4968 for (int j=0; j<N; j++) { 4969 final ResolveInfo ri = query.get(j); 4970 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4971 + ": 0x" + Integer.toHexString(match)); 4972 if (ri.match > match) { 4973 match = ri.match; 4974 } 4975 } 4976 4977 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4978 + Integer.toHexString(match)); 4979 4980 match &= IntentFilter.MATCH_CATEGORY_MASK; 4981 final int M = prefs.size(); 4982 for (int i=0; i<M; i++) { 4983 final PreferredActivity pa = prefs.get(i); 4984 if (DEBUG_PREFERRED || debug) { 4985 Slog.v(TAG, "Checking PreferredActivity ds=" 4986 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4987 + "\n component=" + pa.mPref.mComponent); 4988 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4989 } 4990 if (pa.mPref.mMatch != match) { 4991 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4992 + Integer.toHexString(pa.mPref.mMatch)); 4993 continue; 4994 } 4995 // If it's not an "always" type preferred activity and that's what we're 4996 // looking for, skip it. 4997 if (always && !pa.mPref.mAlways) { 4998 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4999 continue; 5000 } 5001 final ActivityInfo ai = getActivityInfo( 5002 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5003 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5004 userId); 5005 if (DEBUG_PREFERRED || debug) { 5006 Slog.v(TAG, "Found preferred activity:"); 5007 if (ai != null) { 5008 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5009 } else { 5010 Slog.v(TAG, " null"); 5011 } 5012 } 5013 if (ai == null) { 5014 // This previously registered preferred activity 5015 // component is no longer known. Most likely an update 5016 // to the app was installed and in the new version this 5017 // component no longer exists. Clean it up by removing 5018 // it from the preferred activities list, and skip it. 5019 Slog.w(TAG, "Removing dangling preferred activity: " 5020 + pa.mPref.mComponent); 5021 pir.removeFilter(pa); 5022 changed = true; 5023 continue; 5024 } 5025 for (int j=0; j<N; j++) { 5026 final ResolveInfo ri = query.get(j); 5027 if (!ri.activityInfo.applicationInfo.packageName 5028 .equals(ai.applicationInfo.packageName)) { 5029 continue; 5030 } 5031 if (!ri.activityInfo.name.equals(ai.name)) { 5032 continue; 5033 } 5034 5035 if (removeMatches) { 5036 pir.removeFilter(pa); 5037 changed = true; 5038 if (DEBUG_PREFERRED) { 5039 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5040 } 5041 break; 5042 } 5043 5044 // Okay we found a previously set preferred or last chosen app. 5045 // If the result set is different from when this 5046 // was created, we need to clear it and re-ask the 5047 // user their preference, if we're looking for an "always" type entry. 5048 if (always && !pa.mPref.sameSet(query)) { 5049 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5050 + intent + " type " + resolvedType); 5051 if (DEBUG_PREFERRED) { 5052 Slog.v(TAG, "Removing preferred activity since set changed " 5053 + pa.mPref.mComponent); 5054 } 5055 pir.removeFilter(pa); 5056 // Re-add the filter as a "last chosen" entry (!always) 5057 PreferredActivity lastChosen = new PreferredActivity( 5058 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5059 pir.addFilter(lastChosen); 5060 changed = true; 5061 return null; 5062 } 5063 5064 // Yay! Either the set matched or we're looking for the last chosen 5065 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5066 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5067 return ri; 5068 } 5069 } 5070 } finally { 5071 if (changed) { 5072 if (DEBUG_PREFERRED) { 5073 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5074 } 5075 scheduleWritePackageRestrictionsLocked(userId); 5076 } 5077 } 5078 } 5079 } 5080 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5081 return null; 5082 } 5083 5084 /* 5085 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5086 */ 5087 @Override 5088 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5089 int targetUserId) { 5090 mContext.enforceCallingOrSelfPermission( 5091 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5092 List<CrossProfileIntentFilter> matches = 5093 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5094 if (matches != null) { 5095 int size = matches.size(); 5096 for (int i = 0; i < size; i++) { 5097 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5098 } 5099 } 5100 if (hasWebURI(intent)) { 5101 // cross-profile app linking works only towards the parent. 5102 final UserInfo parent = getProfileParent(sourceUserId); 5103 synchronized(mPackages) { 5104 int flags = updateFlagsForResolve(0, parent.id, intent); 5105 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5106 intent, resolvedType, flags, sourceUserId, parent.id); 5107 return xpDomainInfo != null; 5108 } 5109 } 5110 return false; 5111 } 5112 5113 private UserInfo getProfileParent(int userId) { 5114 final long identity = Binder.clearCallingIdentity(); 5115 try { 5116 return sUserManager.getProfileParent(userId); 5117 } finally { 5118 Binder.restoreCallingIdentity(identity); 5119 } 5120 } 5121 5122 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5123 String resolvedType, int userId) { 5124 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5125 if (resolver != null) { 5126 return resolver.queryIntent(intent, resolvedType, false, userId); 5127 } 5128 return null; 5129 } 5130 5131 @Override 5132 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5133 String resolvedType, int flags, int userId) { 5134 return new ParceledListSlice<>( 5135 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5136 } 5137 5138 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5139 String resolvedType, int flags, int userId) { 5140 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5141 flags = updateFlagsForResolve(flags, userId, intent); 5142 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5143 false /* requireFullPermission */, false /* checkShell */, 5144 "query intent activities"); 5145 ComponentName comp = intent.getComponent(); 5146 if (comp == null) { 5147 if (intent.getSelector() != null) { 5148 intent = intent.getSelector(); 5149 comp = intent.getComponent(); 5150 } 5151 } 5152 5153 if (comp != null) { 5154 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5155 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5156 if (ai != null) { 5157 final ResolveInfo ri = new ResolveInfo(); 5158 ri.activityInfo = ai; 5159 list.add(ri); 5160 } 5161 return list; 5162 } 5163 5164 // reader 5165 synchronized (mPackages) { 5166 final String pkgName = intent.getPackage(); 5167 if (pkgName == null) { 5168 List<CrossProfileIntentFilter> matchingFilters = 5169 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5170 // Check for results that need to skip the current profile. 5171 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5172 resolvedType, flags, userId); 5173 if (xpResolveInfo != null) { 5174 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5175 result.add(xpResolveInfo); 5176 return filterIfNotSystemUser(result, userId); 5177 } 5178 5179 // Check for results in the current profile. 5180 List<ResolveInfo> result = mActivities.queryIntent( 5181 intent, resolvedType, flags, userId); 5182 result = filterIfNotSystemUser(result, userId); 5183 5184 // Check for cross profile results. 5185 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5186 xpResolveInfo = queryCrossProfileIntents( 5187 matchingFilters, intent, resolvedType, flags, userId, 5188 hasNonNegativePriorityResult); 5189 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5190 boolean isVisibleToUser = filterIfNotSystemUser( 5191 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5192 if (isVisibleToUser) { 5193 result.add(xpResolveInfo); 5194 Collections.sort(result, mResolvePrioritySorter); 5195 } 5196 } 5197 if (hasWebURI(intent)) { 5198 CrossProfileDomainInfo xpDomainInfo = null; 5199 final UserInfo parent = getProfileParent(userId); 5200 if (parent != null) { 5201 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5202 flags, userId, parent.id); 5203 } 5204 if (xpDomainInfo != null) { 5205 if (xpResolveInfo != null) { 5206 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5207 // in the result. 5208 result.remove(xpResolveInfo); 5209 } 5210 if (result.size() == 0) { 5211 result.add(xpDomainInfo.resolveInfo); 5212 return result; 5213 } 5214 } else if (result.size() <= 1) { 5215 return result; 5216 } 5217 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5218 xpDomainInfo, userId); 5219 Collections.sort(result, mResolvePrioritySorter); 5220 } 5221 return result; 5222 } 5223 final PackageParser.Package pkg = mPackages.get(pkgName); 5224 if (pkg != null) { 5225 return filterIfNotSystemUser( 5226 mActivities.queryIntentForPackage( 5227 intent, resolvedType, flags, pkg.activities, userId), 5228 userId); 5229 } 5230 return new ArrayList<ResolveInfo>(); 5231 } 5232 } 5233 5234 private static class CrossProfileDomainInfo { 5235 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5236 ResolveInfo resolveInfo; 5237 /* Best domain verification status of the activities found in the other profile */ 5238 int bestDomainVerificationStatus; 5239 } 5240 5241 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5242 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5243 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5244 sourceUserId)) { 5245 return null; 5246 } 5247 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5248 resolvedType, flags, parentUserId); 5249 5250 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5251 return null; 5252 } 5253 CrossProfileDomainInfo result = null; 5254 int size = resultTargetUser.size(); 5255 for (int i = 0; i < size; i++) { 5256 ResolveInfo riTargetUser = resultTargetUser.get(i); 5257 // Intent filter verification is only for filters that specify a host. So don't return 5258 // those that handle all web uris. 5259 if (riTargetUser.handleAllWebDataURI) { 5260 continue; 5261 } 5262 String packageName = riTargetUser.activityInfo.packageName; 5263 PackageSetting ps = mSettings.mPackages.get(packageName); 5264 if (ps == null) { 5265 continue; 5266 } 5267 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5268 int status = (int)(verificationState >> 32); 5269 if (result == null) { 5270 result = new CrossProfileDomainInfo(); 5271 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5272 sourceUserId, parentUserId); 5273 result.bestDomainVerificationStatus = status; 5274 } else { 5275 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5276 result.bestDomainVerificationStatus); 5277 } 5278 } 5279 // Don't consider matches with status NEVER across profiles. 5280 if (result != null && result.bestDomainVerificationStatus 5281 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5282 return null; 5283 } 5284 return result; 5285 } 5286 5287 /** 5288 * Verification statuses are ordered from the worse to the best, except for 5289 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5290 */ 5291 private int bestDomainVerificationStatus(int status1, int status2) { 5292 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5293 return status2; 5294 } 5295 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5296 return status1; 5297 } 5298 return (int) MathUtils.max(status1, status2); 5299 } 5300 5301 private boolean isUserEnabled(int userId) { 5302 long callingId = Binder.clearCallingIdentity(); 5303 try { 5304 UserInfo userInfo = sUserManager.getUserInfo(userId); 5305 return userInfo != null && userInfo.isEnabled(); 5306 } finally { 5307 Binder.restoreCallingIdentity(callingId); 5308 } 5309 } 5310 5311 /** 5312 * Filter out activities with systemUserOnly flag set, when current user is not System. 5313 * 5314 * @return filtered list 5315 */ 5316 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5317 if (userId == UserHandle.USER_SYSTEM) { 5318 return resolveInfos; 5319 } 5320 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5321 ResolveInfo info = resolveInfos.get(i); 5322 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5323 resolveInfos.remove(i); 5324 } 5325 } 5326 return resolveInfos; 5327 } 5328 5329 /** 5330 * @param resolveInfos list of resolve infos in descending priority order 5331 * @return if the list contains a resolve info with non-negative priority 5332 */ 5333 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5334 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5335 } 5336 5337 private static boolean hasWebURI(Intent intent) { 5338 if (intent.getData() == null) { 5339 return false; 5340 } 5341 final String scheme = intent.getScheme(); 5342 if (TextUtils.isEmpty(scheme)) { 5343 return false; 5344 } 5345 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5346 } 5347 5348 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5349 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5350 int userId) { 5351 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5352 5353 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5354 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5355 candidates.size()); 5356 } 5357 5358 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5359 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5360 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5361 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5362 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5363 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5364 5365 synchronized (mPackages) { 5366 final int count = candidates.size(); 5367 // First, try to use linked apps. Partition the candidates into four lists: 5368 // one for the final results, one for the "do not use ever", one for "undefined status" 5369 // and finally one for "browser app type". 5370 for (int n=0; n<count; n++) { 5371 ResolveInfo info = candidates.get(n); 5372 String packageName = info.activityInfo.packageName; 5373 PackageSetting ps = mSettings.mPackages.get(packageName); 5374 if (ps != null) { 5375 // Add to the special match all list (Browser use case) 5376 if (info.handleAllWebDataURI) { 5377 matchAllList.add(info); 5378 continue; 5379 } 5380 // Try to get the status from User settings first 5381 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5382 int status = (int)(packedStatus >> 32); 5383 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5384 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5385 if (DEBUG_DOMAIN_VERIFICATION) { 5386 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5387 + " : linkgen=" + linkGeneration); 5388 } 5389 // Use link-enabled generation as preferredOrder, i.e. 5390 // prefer newly-enabled over earlier-enabled. 5391 info.preferredOrder = linkGeneration; 5392 alwaysList.add(info); 5393 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5394 if (DEBUG_DOMAIN_VERIFICATION) { 5395 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5396 } 5397 neverList.add(info); 5398 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5399 if (DEBUG_DOMAIN_VERIFICATION) { 5400 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5401 } 5402 alwaysAskList.add(info); 5403 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5404 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5405 if (DEBUG_DOMAIN_VERIFICATION) { 5406 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5407 } 5408 undefinedList.add(info); 5409 } 5410 } 5411 } 5412 5413 // We'll want to include browser possibilities in a few cases 5414 boolean includeBrowser = false; 5415 5416 // First try to add the "always" resolution(s) for the current user, if any 5417 if (alwaysList.size() > 0) { 5418 result.addAll(alwaysList); 5419 } else { 5420 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5421 result.addAll(undefinedList); 5422 // Maybe add one for the other profile. 5423 if (xpDomainInfo != null && ( 5424 xpDomainInfo.bestDomainVerificationStatus 5425 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5426 result.add(xpDomainInfo.resolveInfo); 5427 } 5428 includeBrowser = true; 5429 } 5430 5431 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5432 // If there were 'always' entries their preferred order has been set, so we also 5433 // back that off to make the alternatives equivalent 5434 if (alwaysAskList.size() > 0) { 5435 for (ResolveInfo i : result) { 5436 i.preferredOrder = 0; 5437 } 5438 result.addAll(alwaysAskList); 5439 includeBrowser = true; 5440 } 5441 5442 if (includeBrowser) { 5443 // Also add browsers (all of them or only the default one) 5444 if (DEBUG_DOMAIN_VERIFICATION) { 5445 Slog.v(TAG, " ...including browsers in candidate set"); 5446 } 5447 if ((matchFlags & MATCH_ALL) != 0) { 5448 result.addAll(matchAllList); 5449 } else { 5450 // Browser/generic handling case. If there's a default browser, go straight 5451 // to that (but only if there is no other higher-priority match). 5452 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5453 int maxMatchPrio = 0; 5454 ResolveInfo defaultBrowserMatch = null; 5455 final int numCandidates = matchAllList.size(); 5456 for (int n = 0; n < numCandidates; n++) { 5457 ResolveInfo info = matchAllList.get(n); 5458 // track the highest overall match priority... 5459 if (info.priority > maxMatchPrio) { 5460 maxMatchPrio = info.priority; 5461 } 5462 // ...and the highest-priority default browser match 5463 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5464 if (defaultBrowserMatch == null 5465 || (defaultBrowserMatch.priority < info.priority)) { 5466 if (debug) { 5467 Slog.v(TAG, "Considering default browser match " + info); 5468 } 5469 defaultBrowserMatch = info; 5470 } 5471 } 5472 } 5473 if (defaultBrowserMatch != null 5474 && defaultBrowserMatch.priority >= maxMatchPrio 5475 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5476 { 5477 if (debug) { 5478 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5479 } 5480 result.add(defaultBrowserMatch); 5481 } else { 5482 result.addAll(matchAllList); 5483 } 5484 } 5485 5486 // If there is nothing selected, add all candidates and remove the ones that the user 5487 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5488 if (result.size() == 0) { 5489 result.addAll(candidates); 5490 result.removeAll(neverList); 5491 } 5492 } 5493 } 5494 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5495 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5496 result.size()); 5497 for (ResolveInfo info : result) { 5498 Slog.v(TAG, " + " + info.activityInfo); 5499 } 5500 } 5501 return result; 5502 } 5503 5504 // Returns a packed value as a long: 5505 // 5506 // high 'int'-sized word: link status: undefined/ask/never/always. 5507 // low 'int'-sized word: relative priority among 'always' results. 5508 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5509 long result = ps.getDomainVerificationStatusForUser(userId); 5510 // if none available, get the master status 5511 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5512 if (ps.getIntentFilterVerificationInfo() != null) { 5513 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5514 } 5515 } 5516 return result; 5517 } 5518 5519 private ResolveInfo querySkipCurrentProfileIntents( 5520 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5521 int flags, int sourceUserId) { 5522 if (matchingFilters != null) { 5523 int size = matchingFilters.size(); 5524 for (int i = 0; i < size; i ++) { 5525 CrossProfileIntentFilter filter = matchingFilters.get(i); 5526 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5527 // Checking if there are activities in the target user that can handle the 5528 // intent. 5529 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5530 resolvedType, flags, sourceUserId); 5531 if (resolveInfo != null) { 5532 return resolveInfo; 5533 } 5534 } 5535 } 5536 } 5537 return null; 5538 } 5539 5540 // Return matching ResolveInfo in target user if any. 5541 private ResolveInfo queryCrossProfileIntents( 5542 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5543 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5544 if (matchingFilters != null) { 5545 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5546 // match the same intent. For performance reasons, it is better not to 5547 // run queryIntent twice for the same userId 5548 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5549 int size = matchingFilters.size(); 5550 for (int i = 0; i < size; i++) { 5551 CrossProfileIntentFilter filter = matchingFilters.get(i); 5552 int targetUserId = filter.getTargetUserId(); 5553 boolean skipCurrentProfile = 5554 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5555 boolean skipCurrentProfileIfNoMatchFound = 5556 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5557 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5558 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5559 // Checking if there are activities in the target user that can handle the 5560 // intent. 5561 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5562 resolvedType, flags, sourceUserId); 5563 if (resolveInfo != null) return resolveInfo; 5564 alreadyTriedUserIds.put(targetUserId, true); 5565 } 5566 } 5567 } 5568 return null; 5569 } 5570 5571 /** 5572 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5573 * will forward the intent to the filter's target user. 5574 * Otherwise, returns null. 5575 */ 5576 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5577 String resolvedType, int flags, int sourceUserId) { 5578 int targetUserId = filter.getTargetUserId(); 5579 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5580 resolvedType, flags, targetUserId); 5581 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5582 // If all the matches in the target profile are suspended, return null. 5583 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5584 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5585 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5586 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5587 targetUserId); 5588 } 5589 } 5590 } 5591 return null; 5592 } 5593 5594 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5595 int sourceUserId, int targetUserId) { 5596 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5597 long ident = Binder.clearCallingIdentity(); 5598 boolean targetIsProfile; 5599 try { 5600 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5601 } finally { 5602 Binder.restoreCallingIdentity(ident); 5603 } 5604 String className; 5605 if (targetIsProfile) { 5606 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5607 } else { 5608 className = FORWARD_INTENT_TO_PARENT; 5609 } 5610 ComponentName forwardingActivityComponentName = new ComponentName( 5611 mAndroidApplication.packageName, className); 5612 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5613 sourceUserId); 5614 if (!targetIsProfile) { 5615 forwardingActivityInfo.showUserIcon = targetUserId; 5616 forwardingResolveInfo.noResourceId = true; 5617 } 5618 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5619 forwardingResolveInfo.priority = 0; 5620 forwardingResolveInfo.preferredOrder = 0; 5621 forwardingResolveInfo.match = 0; 5622 forwardingResolveInfo.isDefault = true; 5623 forwardingResolveInfo.filter = filter; 5624 forwardingResolveInfo.targetUserId = targetUserId; 5625 return forwardingResolveInfo; 5626 } 5627 5628 @Override 5629 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5630 Intent[] specifics, String[] specificTypes, Intent intent, 5631 String resolvedType, int flags, int userId) { 5632 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5633 specificTypes, intent, resolvedType, flags, userId)); 5634 } 5635 5636 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5637 Intent[] specifics, String[] specificTypes, Intent intent, 5638 String resolvedType, int flags, int userId) { 5639 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5640 flags = updateFlagsForResolve(flags, userId, intent); 5641 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5642 false /* requireFullPermission */, false /* checkShell */, 5643 "query intent activity options"); 5644 final String resultsAction = intent.getAction(); 5645 5646 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5647 | PackageManager.GET_RESOLVED_FILTER, userId); 5648 5649 if (DEBUG_INTENT_MATCHING) { 5650 Log.v(TAG, "Query " + intent + ": " + results); 5651 } 5652 5653 int specificsPos = 0; 5654 int N; 5655 5656 // todo: note that the algorithm used here is O(N^2). This 5657 // isn't a problem in our current environment, but if we start running 5658 // into situations where we have more than 5 or 10 matches then this 5659 // should probably be changed to something smarter... 5660 5661 // First we go through and resolve each of the specific items 5662 // that were supplied, taking care of removing any corresponding 5663 // duplicate items in the generic resolve list. 5664 if (specifics != null) { 5665 for (int i=0; i<specifics.length; i++) { 5666 final Intent sintent = specifics[i]; 5667 if (sintent == null) { 5668 continue; 5669 } 5670 5671 if (DEBUG_INTENT_MATCHING) { 5672 Log.v(TAG, "Specific #" + i + ": " + sintent); 5673 } 5674 5675 String action = sintent.getAction(); 5676 if (resultsAction != null && resultsAction.equals(action)) { 5677 // If this action was explicitly requested, then don't 5678 // remove things that have it. 5679 action = null; 5680 } 5681 5682 ResolveInfo ri = null; 5683 ActivityInfo ai = null; 5684 5685 ComponentName comp = sintent.getComponent(); 5686 if (comp == null) { 5687 ri = resolveIntent( 5688 sintent, 5689 specificTypes != null ? specificTypes[i] : null, 5690 flags, userId); 5691 if (ri == null) { 5692 continue; 5693 } 5694 if (ri == mResolveInfo) { 5695 // ACK! Must do something better with this. 5696 } 5697 ai = ri.activityInfo; 5698 comp = new ComponentName(ai.applicationInfo.packageName, 5699 ai.name); 5700 } else { 5701 ai = getActivityInfo(comp, flags, userId); 5702 if (ai == null) { 5703 continue; 5704 } 5705 } 5706 5707 // Look for any generic query activities that are duplicates 5708 // of this specific one, and remove them from the results. 5709 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5710 N = results.size(); 5711 int j; 5712 for (j=specificsPos; j<N; j++) { 5713 ResolveInfo sri = results.get(j); 5714 if ((sri.activityInfo.name.equals(comp.getClassName()) 5715 && sri.activityInfo.applicationInfo.packageName.equals( 5716 comp.getPackageName())) 5717 || (action != null && sri.filter.matchAction(action))) { 5718 results.remove(j); 5719 if (DEBUG_INTENT_MATCHING) Log.v( 5720 TAG, "Removing duplicate item from " + j 5721 + " due to specific " + specificsPos); 5722 if (ri == null) { 5723 ri = sri; 5724 } 5725 j--; 5726 N--; 5727 } 5728 } 5729 5730 // Add this specific item to its proper place. 5731 if (ri == null) { 5732 ri = new ResolveInfo(); 5733 ri.activityInfo = ai; 5734 } 5735 results.add(specificsPos, ri); 5736 ri.specificIndex = i; 5737 specificsPos++; 5738 } 5739 } 5740 5741 // Now we go through the remaining generic results and remove any 5742 // duplicate actions that are found here. 5743 N = results.size(); 5744 for (int i=specificsPos; i<N-1; i++) { 5745 final ResolveInfo rii = results.get(i); 5746 if (rii.filter == null) { 5747 continue; 5748 } 5749 5750 // Iterate over all of the actions of this result's intent 5751 // filter... typically this should be just one. 5752 final Iterator<String> it = rii.filter.actionsIterator(); 5753 if (it == null) { 5754 continue; 5755 } 5756 while (it.hasNext()) { 5757 final String action = it.next(); 5758 if (resultsAction != null && resultsAction.equals(action)) { 5759 // If this action was explicitly requested, then don't 5760 // remove things that have it. 5761 continue; 5762 } 5763 for (int j=i+1; j<N; j++) { 5764 final ResolveInfo rij = results.get(j); 5765 if (rij.filter != null && rij.filter.hasAction(action)) { 5766 results.remove(j); 5767 if (DEBUG_INTENT_MATCHING) Log.v( 5768 TAG, "Removing duplicate item from " + j 5769 + " due to action " + action + " at " + i); 5770 j--; 5771 N--; 5772 } 5773 } 5774 } 5775 5776 // If the caller didn't request filter information, drop it now 5777 // so we don't have to marshall/unmarshall it. 5778 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5779 rii.filter = null; 5780 } 5781 } 5782 5783 // Filter out the caller activity if so requested. 5784 if (caller != null) { 5785 N = results.size(); 5786 for (int i=0; i<N; i++) { 5787 ActivityInfo ainfo = results.get(i).activityInfo; 5788 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5789 && caller.getClassName().equals(ainfo.name)) { 5790 results.remove(i); 5791 break; 5792 } 5793 } 5794 } 5795 5796 // If the caller didn't request filter information, 5797 // drop them now so we don't have to 5798 // marshall/unmarshall it. 5799 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5800 N = results.size(); 5801 for (int i=0; i<N; i++) { 5802 results.get(i).filter = null; 5803 } 5804 } 5805 5806 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5807 return results; 5808 } 5809 5810 @Override 5811 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5812 String resolvedType, int flags, int userId) { 5813 return new ParceledListSlice<>( 5814 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5815 } 5816 5817 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5818 String resolvedType, int flags, int userId) { 5819 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5820 flags = updateFlagsForResolve(flags, userId, intent); 5821 ComponentName comp = intent.getComponent(); 5822 if (comp == null) { 5823 if (intent.getSelector() != null) { 5824 intent = intent.getSelector(); 5825 comp = intent.getComponent(); 5826 } 5827 } 5828 if (comp != null) { 5829 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5830 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5831 if (ai != null) { 5832 ResolveInfo ri = new ResolveInfo(); 5833 ri.activityInfo = ai; 5834 list.add(ri); 5835 } 5836 return list; 5837 } 5838 5839 // reader 5840 synchronized (mPackages) { 5841 String pkgName = intent.getPackage(); 5842 if (pkgName == null) { 5843 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5844 } 5845 final PackageParser.Package pkg = mPackages.get(pkgName); 5846 if (pkg != null) { 5847 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5848 userId); 5849 } 5850 return Collections.emptyList(); 5851 } 5852 } 5853 5854 @Override 5855 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5856 if (!sUserManager.exists(userId)) return null; 5857 flags = updateFlagsForResolve(flags, userId, intent); 5858 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5859 if (query != null) { 5860 if (query.size() >= 1) { 5861 // If there is more than one service with the same priority, 5862 // just arbitrarily pick the first one. 5863 return query.get(0); 5864 } 5865 } 5866 return null; 5867 } 5868 5869 @Override 5870 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5871 String resolvedType, int flags, int userId) { 5872 return new ParceledListSlice<>( 5873 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5874 } 5875 5876 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5877 String resolvedType, int flags, int userId) { 5878 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5879 flags = updateFlagsForResolve(flags, userId, intent); 5880 ComponentName comp = intent.getComponent(); 5881 if (comp == null) { 5882 if (intent.getSelector() != null) { 5883 intent = intent.getSelector(); 5884 comp = intent.getComponent(); 5885 } 5886 } 5887 if (comp != null) { 5888 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5889 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5890 if (si != null) { 5891 final ResolveInfo ri = new ResolveInfo(); 5892 ri.serviceInfo = si; 5893 list.add(ri); 5894 } 5895 return list; 5896 } 5897 5898 // reader 5899 synchronized (mPackages) { 5900 String pkgName = intent.getPackage(); 5901 if (pkgName == null) { 5902 return mServices.queryIntent(intent, resolvedType, flags, userId); 5903 } 5904 final PackageParser.Package pkg = mPackages.get(pkgName); 5905 if (pkg != null) { 5906 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5907 userId); 5908 } 5909 return Collections.emptyList(); 5910 } 5911 } 5912 5913 @Override 5914 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 5915 String resolvedType, int flags, int userId) { 5916 return new ParceledListSlice<>( 5917 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 5918 } 5919 5920 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 5921 Intent intent, String resolvedType, int flags, int userId) { 5922 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5923 flags = updateFlagsForResolve(flags, userId, intent); 5924 ComponentName comp = intent.getComponent(); 5925 if (comp == null) { 5926 if (intent.getSelector() != null) { 5927 intent = intent.getSelector(); 5928 comp = intent.getComponent(); 5929 } 5930 } 5931 if (comp != null) { 5932 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5933 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5934 if (pi != null) { 5935 final ResolveInfo ri = new ResolveInfo(); 5936 ri.providerInfo = pi; 5937 list.add(ri); 5938 } 5939 return list; 5940 } 5941 5942 // reader 5943 synchronized (mPackages) { 5944 String pkgName = intent.getPackage(); 5945 if (pkgName == null) { 5946 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5947 } 5948 final PackageParser.Package pkg = mPackages.get(pkgName); 5949 if (pkg != null) { 5950 return mProviders.queryIntentForPackage( 5951 intent, resolvedType, flags, pkg.providers, userId); 5952 } 5953 return Collections.emptyList(); 5954 } 5955 } 5956 5957 @Override 5958 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5959 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5960 flags = updateFlagsForPackage(flags, userId, null); 5961 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5962 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5963 true /* requireFullPermission */, false /* checkShell */, 5964 "get installed packages"); 5965 5966 // writer 5967 synchronized (mPackages) { 5968 ArrayList<PackageInfo> list; 5969 if (listUninstalled) { 5970 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5971 for (PackageSetting ps : mSettings.mPackages.values()) { 5972 final PackageInfo pi; 5973 if (ps.pkg != null) { 5974 pi = generatePackageInfo(ps, flags, userId); 5975 } else { 5976 pi = generatePackageInfo(ps, flags, userId); 5977 } 5978 if (pi != null) { 5979 list.add(pi); 5980 } 5981 } 5982 } else { 5983 list = new ArrayList<PackageInfo>(mPackages.size()); 5984 for (PackageParser.Package p : mPackages.values()) { 5985 final PackageInfo pi = 5986 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 5987 if (pi != null) { 5988 list.add(pi); 5989 } 5990 } 5991 } 5992 5993 return new ParceledListSlice<PackageInfo>(list); 5994 } 5995 } 5996 5997 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5998 String[] permissions, boolean[] tmp, int flags, int userId) { 5999 int numMatch = 0; 6000 final PermissionsState permissionsState = ps.getPermissionsState(); 6001 for (int i=0; i<permissions.length; i++) { 6002 final String permission = permissions[i]; 6003 if (permissionsState.hasPermission(permission, userId)) { 6004 tmp[i] = true; 6005 numMatch++; 6006 } else { 6007 tmp[i] = false; 6008 } 6009 } 6010 if (numMatch == 0) { 6011 return; 6012 } 6013 final PackageInfo pi; 6014 if (ps.pkg != null) { 6015 pi = generatePackageInfo(ps, flags, userId); 6016 } else { 6017 pi = generatePackageInfo(ps, flags, userId); 6018 } 6019 // The above might return null in cases of uninstalled apps or install-state 6020 // skew across users/profiles. 6021 if (pi != null) { 6022 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6023 if (numMatch == permissions.length) { 6024 pi.requestedPermissions = permissions; 6025 } else { 6026 pi.requestedPermissions = new String[numMatch]; 6027 numMatch = 0; 6028 for (int i=0; i<permissions.length; i++) { 6029 if (tmp[i]) { 6030 pi.requestedPermissions[numMatch] = permissions[i]; 6031 numMatch++; 6032 } 6033 } 6034 } 6035 } 6036 list.add(pi); 6037 } 6038 } 6039 6040 @Override 6041 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6042 String[] permissions, int flags, int userId) { 6043 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6044 flags = updateFlagsForPackage(flags, userId, permissions); 6045 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6046 6047 // writer 6048 synchronized (mPackages) { 6049 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6050 boolean[] tmpBools = new boolean[permissions.length]; 6051 if (listUninstalled) { 6052 for (PackageSetting ps : mSettings.mPackages.values()) { 6053 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6054 } 6055 } else { 6056 for (PackageParser.Package pkg : mPackages.values()) { 6057 PackageSetting ps = (PackageSetting)pkg.mExtras; 6058 if (ps != null) { 6059 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6060 userId); 6061 } 6062 } 6063 } 6064 6065 return new ParceledListSlice<PackageInfo>(list); 6066 } 6067 } 6068 6069 @Override 6070 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6071 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6072 flags = updateFlagsForApplication(flags, userId, null); 6073 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6074 6075 // writer 6076 synchronized (mPackages) { 6077 ArrayList<ApplicationInfo> list; 6078 if (listUninstalled) { 6079 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6080 for (PackageSetting ps : mSettings.mPackages.values()) { 6081 ApplicationInfo ai; 6082 if (ps.pkg != null) { 6083 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6084 ps.readUserState(userId), userId); 6085 } else { 6086 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6087 } 6088 if (ai != null) { 6089 list.add(ai); 6090 } 6091 } 6092 } else { 6093 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6094 for (PackageParser.Package p : mPackages.values()) { 6095 if (p.mExtras != null) { 6096 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6097 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6098 if (ai != null) { 6099 list.add(ai); 6100 } 6101 } 6102 } 6103 } 6104 6105 return new ParceledListSlice<ApplicationInfo>(list); 6106 } 6107 } 6108 6109 @Override 6110 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6111 if (DISABLE_EPHEMERAL_APPS) { 6112 return null; 6113 } 6114 6115 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6116 "getEphemeralApplications"); 6117 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6118 true /* requireFullPermission */, false /* checkShell */, 6119 "getEphemeralApplications"); 6120 synchronized (mPackages) { 6121 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6122 .getEphemeralApplicationsLPw(userId); 6123 if (ephemeralApps != null) { 6124 return new ParceledListSlice<>(ephemeralApps); 6125 } 6126 } 6127 return null; 6128 } 6129 6130 @Override 6131 public boolean isEphemeralApplication(String packageName, int userId) { 6132 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6133 true /* requireFullPermission */, false /* checkShell */, 6134 "isEphemeral"); 6135 if (DISABLE_EPHEMERAL_APPS) { 6136 return false; 6137 } 6138 6139 if (!isCallerSameApp(packageName)) { 6140 return false; 6141 } 6142 synchronized (mPackages) { 6143 PackageParser.Package pkg = mPackages.get(packageName); 6144 if (pkg != null) { 6145 return pkg.applicationInfo.isEphemeralApp(); 6146 } 6147 } 6148 return false; 6149 } 6150 6151 @Override 6152 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6153 if (DISABLE_EPHEMERAL_APPS) { 6154 return null; 6155 } 6156 6157 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6158 true /* requireFullPermission */, false /* checkShell */, 6159 "getCookie"); 6160 if (!isCallerSameApp(packageName)) { 6161 return null; 6162 } 6163 synchronized (mPackages) { 6164 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6165 packageName, userId); 6166 } 6167 } 6168 6169 @Override 6170 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6171 if (DISABLE_EPHEMERAL_APPS) { 6172 return true; 6173 } 6174 6175 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6176 true /* requireFullPermission */, true /* checkShell */, 6177 "setCookie"); 6178 if (!isCallerSameApp(packageName)) { 6179 return false; 6180 } 6181 synchronized (mPackages) { 6182 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6183 packageName, cookie, userId); 6184 } 6185 } 6186 6187 @Override 6188 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6189 if (DISABLE_EPHEMERAL_APPS) { 6190 return null; 6191 } 6192 6193 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6194 "getEphemeralApplicationIcon"); 6195 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6196 true /* requireFullPermission */, false /* checkShell */, 6197 "getEphemeralApplicationIcon"); 6198 synchronized (mPackages) { 6199 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6200 packageName, userId); 6201 } 6202 } 6203 6204 private boolean isCallerSameApp(String packageName) { 6205 PackageParser.Package pkg = mPackages.get(packageName); 6206 return pkg != null 6207 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6208 } 6209 6210 @Override 6211 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6212 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6213 } 6214 6215 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6216 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6217 6218 // reader 6219 synchronized (mPackages) { 6220 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6221 final int userId = UserHandle.getCallingUserId(); 6222 while (i.hasNext()) { 6223 final PackageParser.Package p = i.next(); 6224 if (p.applicationInfo == null) continue; 6225 6226 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6227 && !p.applicationInfo.isDirectBootAware(); 6228 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6229 && p.applicationInfo.isDirectBootAware(); 6230 6231 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6232 && (!mSafeMode || isSystemApp(p)) 6233 && (matchesUnaware || matchesAware)) { 6234 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6235 if (ps != null) { 6236 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6237 ps.readUserState(userId), userId); 6238 if (ai != null) { 6239 finalList.add(ai); 6240 } 6241 } 6242 } 6243 } 6244 } 6245 6246 return finalList; 6247 } 6248 6249 @Override 6250 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6251 if (!sUserManager.exists(userId)) return null; 6252 flags = updateFlagsForComponent(flags, userId, name); 6253 // reader 6254 synchronized (mPackages) { 6255 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6256 PackageSetting ps = provider != null 6257 ? mSettings.mPackages.get(provider.owner.packageName) 6258 : null; 6259 return ps != null 6260 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6261 ? PackageParser.generateProviderInfo(provider, flags, 6262 ps.readUserState(userId), userId) 6263 : null; 6264 } 6265 } 6266 6267 /** 6268 * @deprecated 6269 */ 6270 @Deprecated 6271 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6272 // reader 6273 synchronized (mPackages) { 6274 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6275 .entrySet().iterator(); 6276 final int userId = UserHandle.getCallingUserId(); 6277 while (i.hasNext()) { 6278 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6279 PackageParser.Provider p = entry.getValue(); 6280 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6281 6282 if (ps != null && p.syncable 6283 && (!mSafeMode || (p.info.applicationInfo.flags 6284 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6285 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6286 ps.readUserState(userId), userId); 6287 if (info != null) { 6288 outNames.add(entry.getKey()); 6289 outInfo.add(info); 6290 } 6291 } 6292 } 6293 } 6294 } 6295 6296 @Override 6297 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6298 int uid, int flags) { 6299 final int userId = processName != null ? UserHandle.getUserId(uid) 6300 : UserHandle.getCallingUserId(); 6301 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6302 flags = updateFlagsForComponent(flags, userId, processName); 6303 6304 ArrayList<ProviderInfo> finalList = null; 6305 // reader 6306 synchronized (mPackages) { 6307 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6308 while (i.hasNext()) { 6309 final PackageParser.Provider p = i.next(); 6310 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6311 if (ps != null && p.info.authority != null 6312 && (processName == null 6313 || (p.info.processName.equals(processName) 6314 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6315 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6316 if (finalList == null) { 6317 finalList = new ArrayList<ProviderInfo>(3); 6318 } 6319 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6320 ps.readUserState(userId), userId); 6321 if (info != null) { 6322 finalList.add(info); 6323 } 6324 } 6325 } 6326 } 6327 6328 if (finalList != null) { 6329 Collections.sort(finalList, mProviderInitOrderSorter); 6330 return new ParceledListSlice<ProviderInfo>(finalList); 6331 } 6332 6333 return ParceledListSlice.emptyList(); 6334 } 6335 6336 @Override 6337 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6338 // reader 6339 synchronized (mPackages) { 6340 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6341 return PackageParser.generateInstrumentationInfo(i, flags); 6342 } 6343 } 6344 6345 @Override 6346 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6347 String targetPackage, int flags) { 6348 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6349 } 6350 6351 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6352 int flags) { 6353 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6354 6355 // reader 6356 synchronized (mPackages) { 6357 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6358 while (i.hasNext()) { 6359 final PackageParser.Instrumentation p = i.next(); 6360 if (targetPackage == null 6361 || targetPackage.equals(p.info.targetPackage)) { 6362 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6363 flags); 6364 if (ii != null) { 6365 finalList.add(ii); 6366 } 6367 } 6368 } 6369 } 6370 6371 return finalList; 6372 } 6373 6374 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6375 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6376 if (overlays == null) { 6377 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6378 return; 6379 } 6380 for (PackageParser.Package opkg : overlays.values()) { 6381 // Not much to do if idmap fails: we already logged the error 6382 // and we certainly don't want to abort installation of pkg simply 6383 // because an overlay didn't fit properly. For these reasons, 6384 // ignore the return value of createIdmapForPackagePairLI. 6385 createIdmapForPackagePairLI(pkg, opkg); 6386 } 6387 } 6388 6389 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6390 PackageParser.Package opkg) { 6391 if (!opkg.mTrustedOverlay) { 6392 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6393 opkg.baseCodePath + ": overlay not trusted"); 6394 return false; 6395 } 6396 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6397 if (overlaySet == null) { 6398 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6399 opkg.baseCodePath + " but target package has no known overlays"); 6400 return false; 6401 } 6402 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6403 // TODO: generate idmap for split APKs 6404 try { 6405 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6406 } catch (InstallerException e) { 6407 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6408 + opkg.baseCodePath); 6409 return false; 6410 } 6411 PackageParser.Package[] overlayArray = 6412 overlaySet.values().toArray(new PackageParser.Package[0]); 6413 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6414 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6415 return p1.mOverlayPriority - p2.mOverlayPriority; 6416 } 6417 }; 6418 Arrays.sort(overlayArray, cmp); 6419 6420 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6421 int i = 0; 6422 for (PackageParser.Package p : overlayArray) { 6423 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6424 } 6425 return true; 6426 } 6427 6428 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6429 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6430 try { 6431 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6432 } finally { 6433 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6434 } 6435 } 6436 6437 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6438 final File[] files = dir.listFiles(); 6439 if (ArrayUtils.isEmpty(files)) { 6440 Log.d(TAG, "No files in app dir " + dir); 6441 return; 6442 } 6443 6444 if (DEBUG_PACKAGE_SCANNING) { 6445 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6446 + " flags=0x" + Integer.toHexString(parseFlags)); 6447 } 6448 6449 for (File file : files) { 6450 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6451 && !PackageInstallerService.isStageName(file.getName()); 6452 if (!isPackage) { 6453 // Ignore entries which are not packages 6454 continue; 6455 } 6456 try { 6457 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6458 scanFlags, currentTime, null); 6459 } catch (PackageManagerException e) { 6460 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6461 6462 // Delete invalid userdata apps 6463 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6464 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6465 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6466 removeCodePathLI(file); 6467 } 6468 } 6469 } 6470 } 6471 6472 private static File getSettingsProblemFile() { 6473 File dataDir = Environment.getDataDirectory(); 6474 File systemDir = new File(dataDir, "system"); 6475 File fname = new File(systemDir, "uiderrors.txt"); 6476 return fname; 6477 } 6478 6479 static void reportSettingsProblem(int priority, String msg) { 6480 logCriticalInfo(priority, msg); 6481 } 6482 6483 static void logCriticalInfo(int priority, String msg) { 6484 Slog.println(priority, TAG, msg); 6485 EventLogTags.writePmCriticalInfo(msg); 6486 try { 6487 File fname = getSettingsProblemFile(); 6488 FileOutputStream out = new FileOutputStream(fname, true); 6489 PrintWriter pw = new FastPrintWriter(out); 6490 SimpleDateFormat formatter = new SimpleDateFormat(); 6491 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6492 pw.println(dateString + ": " + msg); 6493 pw.close(); 6494 FileUtils.setPermissions( 6495 fname.toString(), 6496 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6497 -1, -1); 6498 } catch (java.io.IOException e) { 6499 } 6500 } 6501 6502 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6503 int parseFlags) throws PackageManagerException { 6504 if (ps != null 6505 && ps.codePath.equals(srcFile) 6506 && ps.timeStamp == srcFile.lastModified() 6507 && !isCompatSignatureUpdateNeeded(pkg) 6508 && !isRecoverSignatureUpdateNeeded(pkg)) { 6509 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6510 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6511 ArraySet<PublicKey> signingKs; 6512 synchronized (mPackages) { 6513 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6514 } 6515 if (ps.signatures.mSignatures != null 6516 && ps.signatures.mSignatures.length != 0 6517 && signingKs != null) { 6518 // Optimization: reuse the existing cached certificates 6519 // if the package appears to be unchanged. 6520 pkg.mSignatures = ps.signatures.mSignatures; 6521 pkg.mSigningKeys = signingKs; 6522 return; 6523 } 6524 6525 Slog.w(TAG, "PackageSetting for " + ps.name 6526 + " is missing signatures. Collecting certs again to recover them."); 6527 } else { 6528 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6529 } 6530 6531 try { 6532 PackageParser.collectCertificates(pkg, parseFlags); 6533 } catch (PackageParserException e) { 6534 throw PackageManagerException.from(e); 6535 } 6536 } 6537 6538 /** 6539 * Traces a package scan. 6540 * @see #scanPackageLI(File, int, int, long, UserHandle) 6541 */ 6542 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6543 long currentTime, UserHandle user) throws PackageManagerException { 6544 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6545 try { 6546 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6547 } finally { 6548 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6549 } 6550 } 6551 6552 /** 6553 * Scans a package and returns the newly parsed package. 6554 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6555 */ 6556 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6557 long currentTime, UserHandle user) throws PackageManagerException { 6558 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6559 parseFlags |= mDefParseFlags; 6560 PackageParser pp = new PackageParser(); 6561 pp.setSeparateProcesses(mSeparateProcesses); 6562 pp.setOnlyCoreApps(mOnlyCore); 6563 pp.setDisplayMetrics(mMetrics); 6564 6565 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6566 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6567 } 6568 6569 final PackageParser.Package pkg; 6570 try { 6571 pkg = pp.parsePackage(scanFile, parseFlags); 6572 } catch (PackageParserException e) { 6573 throw PackageManagerException.from(e); 6574 } 6575 6576 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6577 } 6578 6579 /** 6580 * Scans a package and returns the newly parsed package. 6581 * @throws PackageManagerException on a parse error. 6582 */ 6583 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6584 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6585 throws PackageManagerException { 6586 // If the package has children and this is the first dive in the function 6587 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6588 // packages (parent and children) would be successfully scanned before the 6589 // actual scan since scanning mutates internal state and we want to atomically 6590 // install the package and its children. 6591 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6592 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6593 scanFlags |= SCAN_CHECK_ONLY; 6594 } 6595 } else { 6596 scanFlags &= ~SCAN_CHECK_ONLY; 6597 } 6598 6599 // Scan the parent 6600 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6601 scanFlags, currentTime, user); 6602 6603 // Scan the children 6604 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6605 for (int i = 0; i < childCount; i++) { 6606 PackageParser.Package childPackage = pkg.childPackages.get(i); 6607 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6608 currentTime, user); 6609 } 6610 6611 6612 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6613 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6614 } 6615 6616 return scannedPkg; 6617 } 6618 6619 /** 6620 * Scans a package and returns the newly parsed package. 6621 * @throws PackageManagerException on a parse error. 6622 */ 6623 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6624 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6625 throws PackageManagerException { 6626 PackageSetting ps = null; 6627 PackageSetting updatedPkg; 6628 // reader 6629 synchronized (mPackages) { 6630 // Look to see if we already know about this package. 6631 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6632 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6633 // This package has been renamed to its original name. Let's 6634 // use that. 6635 ps = mSettings.peekPackageLPr(oldName); 6636 } 6637 // If there was no original package, see one for the real package name. 6638 if (ps == null) { 6639 ps = mSettings.peekPackageLPr(pkg.packageName); 6640 } 6641 // Check to see if this package could be hiding/updating a system 6642 // package. Must look for it either under the original or real 6643 // package name depending on our state. 6644 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6645 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6646 6647 // If this is a package we don't know about on the system partition, we 6648 // may need to remove disabled child packages on the system partition 6649 // or may need to not add child packages if the parent apk is updated 6650 // on the data partition and no longer defines this child package. 6651 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6652 // If this is a parent package for an updated system app and this system 6653 // app got an OTA update which no longer defines some of the child packages 6654 // we have to prune them from the disabled system packages. 6655 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6656 if (disabledPs != null) { 6657 final int scannedChildCount = (pkg.childPackages != null) 6658 ? pkg.childPackages.size() : 0; 6659 final int disabledChildCount = disabledPs.childPackageNames != null 6660 ? disabledPs.childPackageNames.size() : 0; 6661 for (int i = 0; i < disabledChildCount; i++) { 6662 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6663 boolean disabledPackageAvailable = false; 6664 for (int j = 0; j < scannedChildCount; j++) { 6665 PackageParser.Package childPkg = pkg.childPackages.get(j); 6666 if (childPkg.packageName.equals(disabledChildPackageName)) { 6667 disabledPackageAvailable = true; 6668 break; 6669 } 6670 } 6671 if (!disabledPackageAvailable) { 6672 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6673 } 6674 } 6675 } 6676 } 6677 } 6678 6679 boolean updatedPkgBetter = false; 6680 // First check if this is a system package that may involve an update 6681 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6682 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6683 // it needs to drop FLAG_PRIVILEGED. 6684 if (locationIsPrivileged(scanFile)) { 6685 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6686 } else { 6687 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6688 } 6689 6690 if (ps != null && !ps.codePath.equals(scanFile)) { 6691 // The path has changed from what was last scanned... check the 6692 // version of the new path against what we have stored to determine 6693 // what to do. 6694 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6695 if (pkg.mVersionCode <= ps.versionCode) { 6696 // The system package has been updated and the code path does not match 6697 // Ignore entry. Skip it. 6698 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6699 + " ignored: updated version " + ps.versionCode 6700 + " better than this " + pkg.mVersionCode); 6701 if (!updatedPkg.codePath.equals(scanFile)) { 6702 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6703 + ps.name + " changing from " + updatedPkg.codePathString 6704 + " to " + scanFile); 6705 updatedPkg.codePath = scanFile; 6706 updatedPkg.codePathString = scanFile.toString(); 6707 updatedPkg.resourcePath = scanFile; 6708 updatedPkg.resourcePathString = scanFile.toString(); 6709 } 6710 updatedPkg.pkg = pkg; 6711 updatedPkg.versionCode = pkg.mVersionCode; 6712 6713 // Update the disabled system child packages to point to the package too. 6714 final int childCount = updatedPkg.childPackageNames != null 6715 ? updatedPkg.childPackageNames.size() : 0; 6716 for (int i = 0; i < childCount; i++) { 6717 String childPackageName = updatedPkg.childPackageNames.get(i); 6718 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6719 childPackageName); 6720 if (updatedChildPkg != null) { 6721 updatedChildPkg.pkg = pkg; 6722 updatedChildPkg.versionCode = pkg.mVersionCode; 6723 } 6724 } 6725 6726 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6727 + scanFile + " ignored: updated version " + ps.versionCode 6728 + " better than this " + pkg.mVersionCode); 6729 } else { 6730 // The current app on the system partition is better than 6731 // what we have updated to on the data partition; switch 6732 // back to the system partition version. 6733 // At this point, its safely assumed that package installation for 6734 // apps in system partition will go through. If not there won't be a working 6735 // version of the app 6736 // writer 6737 synchronized (mPackages) { 6738 // Just remove the loaded entries from package lists. 6739 mPackages.remove(ps.name); 6740 } 6741 6742 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6743 + " reverting from " + ps.codePathString 6744 + ": new version " + pkg.mVersionCode 6745 + " better than installed " + ps.versionCode); 6746 6747 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6748 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6749 synchronized (mInstallLock) { 6750 args.cleanUpResourcesLI(); 6751 } 6752 synchronized (mPackages) { 6753 mSettings.enableSystemPackageLPw(ps.name); 6754 } 6755 updatedPkgBetter = true; 6756 } 6757 } 6758 } 6759 6760 if (updatedPkg != null) { 6761 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6762 // initially 6763 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6764 6765 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6766 // flag set initially 6767 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6768 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6769 } 6770 } 6771 6772 // Verify certificates against what was last scanned 6773 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6774 6775 /* 6776 * A new system app appeared, but we already had a non-system one of the 6777 * same name installed earlier. 6778 */ 6779 boolean shouldHideSystemApp = false; 6780 if (updatedPkg == null && ps != null 6781 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6782 /* 6783 * Check to make sure the signatures match first. If they don't, 6784 * wipe the installed application and its data. 6785 */ 6786 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6787 != PackageManager.SIGNATURE_MATCH) { 6788 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6789 + " signatures don't match existing userdata copy; removing"); 6790 deletePackageLI(pkg.packageName, null, true, null, 0, null, false, null); 6791 ps = null; 6792 } else { 6793 /* 6794 * If the newly-added system app is an older version than the 6795 * already installed version, hide it. It will be scanned later 6796 * and re-added like an update. 6797 */ 6798 if (pkg.mVersionCode <= ps.versionCode) { 6799 shouldHideSystemApp = true; 6800 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6801 + " but new version " + pkg.mVersionCode + " better than installed " 6802 + ps.versionCode + "; hiding system"); 6803 } else { 6804 /* 6805 * The newly found system app is a newer version that the 6806 * one previously installed. Simply remove the 6807 * already-installed application and replace it with our own 6808 * while keeping the application data. 6809 */ 6810 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6811 + " reverting from " + ps.codePathString + ": new version " 6812 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6813 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6814 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6815 synchronized (mInstallLock) { 6816 args.cleanUpResourcesLI(); 6817 } 6818 } 6819 } 6820 } 6821 6822 // The apk is forward locked (not public) if its code and resources 6823 // are kept in different files. (except for app in either system or 6824 // vendor path). 6825 // TODO grab this value from PackageSettings 6826 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6827 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6828 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6829 } 6830 } 6831 6832 // TODO: extend to support forward-locked splits 6833 String resourcePath = null; 6834 String baseResourcePath = null; 6835 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6836 if (ps != null && ps.resourcePathString != null) { 6837 resourcePath = ps.resourcePathString; 6838 baseResourcePath = ps.resourcePathString; 6839 } else { 6840 // Should not happen at all. Just log an error. 6841 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6842 } 6843 } else { 6844 resourcePath = pkg.codePath; 6845 baseResourcePath = pkg.baseCodePath; 6846 } 6847 6848 // Set application objects path explicitly. 6849 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6850 pkg.setApplicationInfoCodePath(pkg.codePath); 6851 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6852 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6853 pkg.setApplicationInfoResourcePath(resourcePath); 6854 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6855 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6856 6857 // Note that we invoke the following method only if we are about to unpack an application 6858 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6859 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6860 6861 /* 6862 * If the system app should be overridden by a previously installed 6863 * data, hide the system app now and let the /data/app scan pick it up 6864 * again. 6865 */ 6866 if (shouldHideSystemApp) { 6867 synchronized (mPackages) { 6868 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6869 } 6870 } 6871 6872 return scannedPkg; 6873 } 6874 6875 private static String fixProcessName(String defProcessName, 6876 String processName, int uid) { 6877 if (processName == null) { 6878 return defProcessName; 6879 } 6880 return processName; 6881 } 6882 6883 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6884 throws PackageManagerException { 6885 if (pkgSetting.signatures.mSignatures != null) { 6886 // Already existing package. Make sure signatures match 6887 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6888 == PackageManager.SIGNATURE_MATCH; 6889 if (!match) { 6890 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6891 == PackageManager.SIGNATURE_MATCH; 6892 } 6893 if (!match) { 6894 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6895 == PackageManager.SIGNATURE_MATCH; 6896 } 6897 if (!match) { 6898 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6899 + pkg.packageName + " signatures do not match the " 6900 + "previously installed version; ignoring!"); 6901 } 6902 } 6903 6904 // Check for shared user signatures 6905 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6906 // Already existing package. Make sure signatures match 6907 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6908 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6909 if (!match) { 6910 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6911 == PackageManager.SIGNATURE_MATCH; 6912 } 6913 if (!match) { 6914 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6915 == PackageManager.SIGNATURE_MATCH; 6916 } 6917 if (!match) { 6918 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6919 "Package " + pkg.packageName 6920 + " has no signatures that match those in shared user " 6921 + pkgSetting.sharedUser.name + "; ignoring!"); 6922 } 6923 } 6924 } 6925 6926 /** 6927 * Enforces that only the system UID or root's UID can call a method exposed 6928 * via Binder. 6929 * 6930 * @param message used as message if SecurityException is thrown 6931 * @throws SecurityException if the caller is not system or root 6932 */ 6933 private static final void enforceSystemOrRoot(String message) { 6934 final int uid = Binder.getCallingUid(); 6935 if (uid != Process.SYSTEM_UID && uid != 0) { 6936 throw new SecurityException(message); 6937 } 6938 } 6939 6940 @Override 6941 public void performFstrimIfNeeded() { 6942 enforceSystemOrRoot("Only the system can request fstrim"); 6943 6944 // Before everything else, see whether we need to fstrim. 6945 try { 6946 IMountService ms = PackageHelper.getMountService(); 6947 if (ms != null) { 6948 final boolean isUpgrade = isUpgrade(); 6949 boolean doTrim = isUpgrade; 6950 if (doTrim) { 6951 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6952 } else { 6953 final long interval = android.provider.Settings.Global.getLong( 6954 mContext.getContentResolver(), 6955 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6956 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6957 if (interval > 0) { 6958 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6959 if (timeSinceLast > interval) { 6960 doTrim = true; 6961 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6962 + "; running immediately"); 6963 } 6964 } 6965 } 6966 if (doTrim) { 6967 if (!isFirstBoot()) { 6968 try { 6969 ActivityManagerNative.getDefault().showBootMessage( 6970 mContext.getResources().getString( 6971 R.string.android_upgrading_fstrim), true); 6972 } catch (RemoteException e) { 6973 } 6974 } 6975 ms.runMaintenance(); 6976 } 6977 } else { 6978 Slog.e(TAG, "Mount service unavailable!"); 6979 } 6980 } catch (RemoteException e) { 6981 // Can't happen; MountService is local 6982 } 6983 } 6984 6985 @Override 6986 public void updatePackagesIfNeeded() { 6987 enforceSystemOrRoot("Only the system can request package update"); 6988 6989 // We need to re-extract after an OTA. 6990 boolean causeUpgrade = isUpgrade(); 6991 6992 // First boot or factory reset. 6993 // Note: we also handle devices that are upgrading to N right now as if it is their 6994 // first boot, as they do not have profile data. 6995 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 6996 6997 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 6998 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 6999 7000 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7001 return; 7002 } 7003 7004 List<PackageParser.Package> pkgs; 7005 synchronized (mPackages) { 7006 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7007 } 7008 7009 UsageStatsManager usageMgr = 7010 (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 7011 7012 int curr = 0; 7013 int total = pkgs.size(); 7014 for (PackageParser.Package pkg : pkgs) { 7015 curr++; 7016 7017 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7018 if (DEBUG_DEXOPT) { 7019 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7020 } 7021 continue; 7022 } 7023 7024 if (!causeFirstBoot && usageMgr.isAppInactive(pkg.packageName)) { 7025 if (DEBUG_DEXOPT) { 7026 Log.i(TAG, "Skipping update of of idle app " + pkg.packageName); 7027 } 7028 continue; 7029 } 7030 7031 if (DEBUG_DEXOPT) { 7032 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 7033 } 7034 7035 if (!isFirstBoot()) { 7036 try { 7037 ActivityManagerNative.getDefault().showBootMessage( 7038 mContext.getResources().getString(R.string.android_upgrading_apk, 7039 curr, total), true); 7040 } catch (RemoteException e) { 7041 } 7042 } 7043 7044 performDexOpt(pkg.packageName, 7045 null /* instructionSet */, 7046 false /* checkProfiles */, 7047 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 7048 false /* force */); 7049 } 7050 } 7051 7052 @Override 7053 public void notifyPackageUse(String packageName) { 7054 synchronized (mPackages) { 7055 PackageParser.Package p = mPackages.get(packageName); 7056 if (p == null) { 7057 return; 7058 } 7059 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 7060 } 7061 } 7062 7063 // TODO: this is not used nor needed. Delete it. 7064 @Override 7065 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 7066 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 7067 getFullCompilerFilter(), false /* force */); 7068 } 7069 7070 @Override 7071 public boolean performDexOpt(String packageName, String instructionSet, 7072 boolean checkProfiles, int compileReason, boolean force) { 7073 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7074 getCompilerFilterForReason(compileReason), force); 7075 } 7076 7077 @Override 7078 public boolean performDexOptMode(String packageName, String instructionSet, 7079 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7080 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7081 targetCompilerFilter, force); 7082 } 7083 7084 private boolean performDexOptTraced(String packageName, String instructionSet, 7085 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7086 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7087 try { 7088 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7089 targetCompilerFilter, force); 7090 } finally { 7091 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7092 } 7093 } 7094 7095 private boolean performDexOptInternal(String packageName, String instructionSet, 7096 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7097 PackageParser.Package p; 7098 final String targetInstructionSet; 7099 synchronized (mPackages) { 7100 p = mPackages.get(packageName); 7101 if (p == null) { 7102 return false; 7103 } 7104 mPackageUsage.write(false); 7105 7106 targetInstructionSet = instructionSet != null ? instructionSet : 7107 getPrimaryInstructionSet(p.applicationInfo); 7108 } 7109 long callingId = Binder.clearCallingIdentity(); 7110 try { 7111 synchronized (mInstallLock) { 7112 final String[] instructionSets = new String[] { targetInstructionSet }; 7113 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7114 checkProfiles, targetCompilerFilter, force); 7115 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 7116 } 7117 } finally { 7118 Binder.restoreCallingIdentity(callingId); 7119 } 7120 } 7121 7122 public ArraySet<String> getOptimizablePackages() { 7123 ArraySet<String> pkgs = new ArraySet<String>(); 7124 synchronized (mPackages) { 7125 for (PackageParser.Package p : mPackages.values()) { 7126 if (PackageDexOptimizer.canOptimizePackage(p)) { 7127 pkgs.add(p.packageName); 7128 } 7129 } 7130 } 7131 return pkgs; 7132 } 7133 7134 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7135 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7136 boolean force) { 7137 // Select the dex optimizer based on the force parameter. 7138 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7139 // allocate an object here. 7140 PackageDexOptimizer pdo = force 7141 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7142 : mPackageDexOptimizer; 7143 7144 // Optimize all dependencies first. Note: we ignore the return value and march on 7145 // on errors. 7146 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7147 if (!deps.isEmpty()) { 7148 for (PackageParser.Package depPackage : deps) { 7149 // TODO: Analyze and investigate if we (should) profile libraries. 7150 // Currently this will do a full compilation of the library by default. 7151 pdo.performDexOpt(depPackage, instructionSets, false /* checkProfiles */, 7152 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7153 } 7154 } 7155 7156 return pdo.performDexOpt(p, instructionSets, checkProfiles, targetCompilerFilter); 7157 } 7158 7159 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7160 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7161 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7162 Set<String> collectedNames = new HashSet<>(); 7163 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7164 7165 retValue.remove(p); 7166 7167 return retValue; 7168 } else { 7169 return Collections.emptyList(); 7170 } 7171 } 7172 7173 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7174 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7175 if (!collectedNames.contains(p.packageName)) { 7176 collectedNames.add(p.packageName); 7177 collected.add(p); 7178 7179 if (p.usesLibraries != null) { 7180 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7181 } 7182 if (p.usesOptionalLibraries != null) { 7183 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7184 collectedNames); 7185 } 7186 } 7187 } 7188 7189 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7190 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7191 for (String libName : libs) { 7192 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7193 if (libPkg != null) { 7194 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7195 } 7196 } 7197 } 7198 7199 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7200 synchronized (mPackages) { 7201 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7202 if (lib != null && lib.apk != null) { 7203 return mPackages.get(lib.apk); 7204 } 7205 } 7206 return null; 7207 } 7208 7209 public void shutdown() { 7210 mPackageUsage.write(true); 7211 } 7212 7213 @Override 7214 public void forceDexOpt(String packageName) { 7215 enforceSystemOrRoot("forceDexOpt"); 7216 7217 PackageParser.Package pkg; 7218 synchronized (mPackages) { 7219 pkg = mPackages.get(packageName); 7220 if (pkg == null) { 7221 throw new IllegalArgumentException("Unknown package: " + packageName); 7222 } 7223 } 7224 7225 synchronized (mInstallLock) { 7226 final String[] instructionSets = new String[] { 7227 getPrimaryInstructionSet(pkg.applicationInfo) }; 7228 7229 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7230 7231 // Whoever is calling forceDexOpt wants a fully compiled package. 7232 // Don't use profiles since that may cause compilation to be skipped. 7233 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7234 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7235 true /* force */); 7236 7237 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7238 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7239 throw new IllegalStateException("Failed to dexopt: " + res); 7240 } 7241 } 7242 } 7243 7244 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7245 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7246 Slog.w(TAG, "Unable to update from " + oldPkg.name 7247 + " to " + newPkg.packageName 7248 + ": old package not in system partition"); 7249 return false; 7250 } else if (mPackages.get(oldPkg.name) != null) { 7251 Slog.w(TAG, "Unable to update from " + oldPkg.name 7252 + " to " + newPkg.packageName 7253 + ": old package still exists"); 7254 return false; 7255 } 7256 return true; 7257 } 7258 7259 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7260 // TODO: triage flags as part of 26466827 7261 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7262 7263 boolean res = true; 7264 final int[] users = sUserManager.getUserIds(); 7265 for (int user : users) { 7266 try { 7267 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7268 } catch (InstallerException e) { 7269 Slog.w(TAG, "Failed to delete data directory", e); 7270 res = false; 7271 } 7272 } 7273 return res; 7274 } 7275 7276 void removeCodePathLI(File codePath) { 7277 if (codePath.isDirectory()) { 7278 try { 7279 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7280 } catch (InstallerException e) { 7281 Slog.w(TAG, "Failed to remove code path", e); 7282 } 7283 } else { 7284 codePath.delete(); 7285 } 7286 } 7287 7288 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7289 try { 7290 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7291 } catch (InstallerException e) { 7292 Slog.w(TAG, "Failed to destroy app data", e); 7293 } 7294 } 7295 7296 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7297 int appId, String seinfo) { 7298 try { 7299 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7300 } catch (InstallerException e) { 7301 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7302 } 7303 } 7304 7305 private void deleteProfilesLI(String packageName, boolean destroy) { 7306 final PackageParser.Package pkg; 7307 synchronized (mPackages) { 7308 pkg = mPackages.get(packageName); 7309 } 7310 if (pkg == null) { 7311 Slog.w(TAG, "Failed to delete profiles. No package: " + packageName); 7312 return; 7313 } 7314 deleteProfilesLI(pkg, destroy); 7315 } 7316 7317 private void deleteProfilesLI(PackageParser.Package pkg, boolean destroy) { 7318 try { 7319 if (destroy) { 7320 mInstaller.destroyAppProfiles(pkg.packageName); 7321 } else { 7322 mInstaller.clearAppProfiles(pkg.packageName); 7323 } 7324 } catch (InstallerException ex) { 7325 Log.e(TAG, "Could not delete profiles for package " + pkg.packageName); 7326 } 7327 } 7328 7329 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7330 final PackageParser.Package pkg; 7331 synchronized (mPackages) { 7332 pkg = mPackages.get(packageName); 7333 } 7334 if (pkg == null) { 7335 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7336 return; 7337 } 7338 deleteCodeCacheDirsLI(pkg); 7339 } 7340 7341 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7342 // TODO: triage flags as part of 26466827 7343 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7344 7345 int[] users = sUserManager.getUserIds(); 7346 int res = 0; 7347 for (int user : users) { 7348 // Remove the parent code cache 7349 try { 7350 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7351 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7352 } catch (InstallerException e) { 7353 Slog.w(TAG, "Failed to delete code cache directory", e); 7354 } 7355 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7356 for (int i = 0; i < childCount; i++) { 7357 PackageParser.Package childPkg = pkg.childPackages.get(i); 7358 // Remove the child code cache 7359 try { 7360 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7361 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7362 } catch (InstallerException e) { 7363 Slog.w(TAG, "Failed to delete code cache directory", e); 7364 } 7365 } 7366 } 7367 } 7368 7369 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7370 long lastUpdateTime) { 7371 // Set parent install/update time 7372 PackageSetting ps = (PackageSetting) pkg.mExtras; 7373 if (ps != null) { 7374 ps.firstInstallTime = firstInstallTime; 7375 ps.lastUpdateTime = lastUpdateTime; 7376 } 7377 // Set children install/update time 7378 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7379 for (int i = 0; i < childCount; i++) { 7380 PackageParser.Package childPkg = pkg.childPackages.get(i); 7381 ps = (PackageSetting) childPkg.mExtras; 7382 if (ps != null) { 7383 ps.firstInstallTime = firstInstallTime; 7384 ps.lastUpdateTime = lastUpdateTime; 7385 } 7386 } 7387 } 7388 7389 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7390 PackageParser.Package changingLib) { 7391 if (file.path != null) { 7392 usesLibraryFiles.add(file.path); 7393 return; 7394 } 7395 PackageParser.Package p = mPackages.get(file.apk); 7396 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7397 // If we are doing this while in the middle of updating a library apk, 7398 // then we need to make sure to use that new apk for determining the 7399 // dependencies here. (We haven't yet finished committing the new apk 7400 // to the package manager state.) 7401 if (p == null || p.packageName.equals(changingLib.packageName)) { 7402 p = changingLib; 7403 } 7404 } 7405 if (p != null) { 7406 usesLibraryFiles.addAll(p.getAllCodePaths()); 7407 } 7408 } 7409 7410 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7411 PackageParser.Package changingLib) throws PackageManagerException { 7412 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7413 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7414 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7415 for (int i=0; i<N; i++) { 7416 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7417 if (file == null) { 7418 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7419 "Package " + pkg.packageName + " requires unavailable shared library " 7420 + pkg.usesLibraries.get(i) + "; failing!"); 7421 } 7422 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7423 } 7424 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7425 for (int i=0; i<N; i++) { 7426 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7427 if (file == null) { 7428 Slog.w(TAG, "Package " + pkg.packageName 7429 + " desires unavailable shared library " 7430 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7431 } else { 7432 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7433 } 7434 } 7435 N = usesLibraryFiles.size(); 7436 if (N > 0) { 7437 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7438 } else { 7439 pkg.usesLibraryFiles = null; 7440 } 7441 } 7442 } 7443 7444 private static boolean hasString(List<String> list, List<String> which) { 7445 if (list == null) { 7446 return false; 7447 } 7448 for (int i=list.size()-1; i>=0; i--) { 7449 for (int j=which.size()-1; j>=0; j--) { 7450 if (which.get(j).equals(list.get(i))) { 7451 return true; 7452 } 7453 } 7454 } 7455 return false; 7456 } 7457 7458 private void updateAllSharedLibrariesLPw() { 7459 for (PackageParser.Package pkg : mPackages.values()) { 7460 try { 7461 updateSharedLibrariesLPw(pkg, null); 7462 } catch (PackageManagerException e) { 7463 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7464 } 7465 } 7466 } 7467 7468 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7469 PackageParser.Package changingPkg) { 7470 ArrayList<PackageParser.Package> res = null; 7471 for (PackageParser.Package pkg : mPackages.values()) { 7472 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7473 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7474 if (res == null) { 7475 res = new ArrayList<PackageParser.Package>(); 7476 } 7477 res.add(pkg); 7478 try { 7479 updateSharedLibrariesLPw(pkg, changingPkg); 7480 } catch (PackageManagerException e) { 7481 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7482 } 7483 } 7484 } 7485 return res; 7486 } 7487 7488 /** 7489 * Derive the value of the {@code cpuAbiOverride} based on the provided 7490 * value and an optional stored value from the package settings. 7491 */ 7492 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7493 String cpuAbiOverride = null; 7494 7495 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7496 cpuAbiOverride = null; 7497 } else if (abiOverride != null) { 7498 cpuAbiOverride = abiOverride; 7499 } else if (settings != null) { 7500 cpuAbiOverride = settings.cpuAbiOverrideString; 7501 } 7502 7503 return cpuAbiOverride; 7504 } 7505 7506 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7507 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7508 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7509 // If the package has children and this is the first dive in the function 7510 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7511 // whether all packages (parent and children) would be successfully scanned 7512 // before the actual scan since scanning mutates internal state and we want 7513 // to atomically install the package and its children. 7514 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7515 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7516 scanFlags |= SCAN_CHECK_ONLY; 7517 } 7518 } else { 7519 scanFlags &= ~SCAN_CHECK_ONLY; 7520 } 7521 7522 final PackageParser.Package scannedPkg; 7523 try { 7524 // Scan the parent 7525 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7526 // Scan the children 7527 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7528 for (int i = 0; i < childCount; i++) { 7529 PackageParser.Package childPkg = pkg.childPackages.get(i); 7530 scanPackageLI(childPkg, parseFlags, 7531 scanFlags, currentTime, user); 7532 } 7533 } finally { 7534 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7535 } 7536 7537 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7538 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7539 } 7540 7541 return scannedPkg; 7542 } 7543 7544 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7545 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7546 boolean success = false; 7547 try { 7548 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7549 currentTime, user); 7550 success = true; 7551 return res; 7552 } finally { 7553 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7554 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7555 } 7556 } 7557 } 7558 7559 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7560 int scanFlags, long currentTime, UserHandle user) 7561 throws PackageManagerException { 7562 final File scanFile = new File(pkg.codePath); 7563 if (pkg.applicationInfo.getCodePath() == null || 7564 pkg.applicationInfo.getResourcePath() == null) { 7565 // Bail out. The resource and code paths haven't been set. 7566 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7567 "Code and resource paths haven't been set correctly"); 7568 } 7569 7570 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7571 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7572 } else { 7573 // Only allow system apps to be flagged as core apps. 7574 pkg.coreApp = false; 7575 } 7576 7577 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7578 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7579 } 7580 7581 if (mCustomResolverComponentName != null && 7582 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7583 setUpCustomResolverActivity(pkg); 7584 } 7585 7586 if (pkg.packageName.equals("android")) { 7587 synchronized (mPackages) { 7588 if (mAndroidApplication != null) { 7589 Slog.w(TAG, "*************************************************"); 7590 Slog.w(TAG, "Core android package being redefined. Skipping."); 7591 Slog.w(TAG, " file=" + scanFile); 7592 Slog.w(TAG, "*************************************************"); 7593 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7594 "Core android package being redefined. Skipping."); 7595 } 7596 7597 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7598 // Set up information for our fall-back user intent resolution activity. 7599 mPlatformPackage = pkg; 7600 pkg.mVersionCode = mSdkVersion; 7601 mAndroidApplication = pkg.applicationInfo; 7602 7603 if (!mResolverReplaced) { 7604 mResolveActivity.applicationInfo = mAndroidApplication; 7605 mResolveActivity.name = ResolverActivity.class.getName(); 7606 mResolveActivity.packageName = mAndroidApplication.packageName; 7607 mResolveActivity.processName = "system:ui"; 7608 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7609 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7610 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7611 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7612 mResolveActivity.exported = true; 7613 mResolveActivity.enabled = true; 7614 mResolveInfo.activityInfo = mResolveActivity; 7615 mResolveInfo.priority = 0; 7616 mResolveInfo.preferredOrder = 0; 7617 mResolveInfo.match = 0; 7618 mResolveComponentName = new ComponentName( 7619 mAndroidApplication.packageName, mResolveActivity.name); 7620 } 7621 } 7622 } 7623 } 7624 7625 if (DEBUG_PACKAGE_SCANNING) { 7626 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7627 Log.d(TAG, "Scanning package " + pkg.packageName); 7628 } 7629 7630 synchronized (mPackages) { 7631 if (mPackages.containsKey(pkg.packageName) 7632 || mSharedLibraries.containsKey(pkg.packageName)) { 7633 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7634 "Application package " + pkg.packageName 7635 + " already installed. Skipping duplicate."); 7636 } 7637 7638 // If we're only installing presumed-existing packages, require that the 7639 // scanned APK is both already known and at the path previously established 7640 // for it. Previously unknown packages we pick up normally, but if we have an 7641 // a priori expectation about this package's install presence, enforce it. 7642 // With a singular exception for new system packages. When an OTA contains 7643 // a new system package, we allow the codepath to change from a system location 7644 // to the user-installed location. If we don't allow this change, any newer, 7645 // user-installed version of the application will be ignored. 7646 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7647 if (mExpectingBetter.containsKey(pkg.packageName)) { 7648 logCriticalInfo(Log.WARN, 7649 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7650 } else { 7651 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7652 if (known != null) { 7653 if (DEBUG_PACKAGE_SCANNING) { 7654 Log.d(TAG, "Examining " + pkg.codePath 7655 + " and requiring known paths " + known.codePathString 7656 + " & " + known.resourcePathString); 7657 } 7658 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7659 || !pkg.applicationInfo.getResourcePath().equals( 7660 known.resourcePathString)) { 7661 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7662 "Application package " + pkg.packageName 7663 + " found at " + pkg.applicationInfo.getCodePath() 7664 + " but expected at " + known.codePathString 7665 + "; ignoring."); 7666 } 7667 } 7668 } 7669 } 7670 } 7671 7672 // Initialize package source and resource directories 7673 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7674 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7675 7676 SharedUserSetting suid = null; 7677 PackageSetting pkgSetting = null; 7678 7679 if (!isSystemApp(pkg)) { 7680 // Only system apps can use these features. 7681 pkg.mOriginalPackages = null; 7682 pkg.mRealPackage = null; 7683 pkg.mAdoptPermissions = null; 7684 } 7685 7686 // Getting the package setting may have a side-effect, so if we 7687 // are only checking if scan would succeed, stash a copy of the 7688 // old setting to restore at the end. 7689 PackageSetting nonMutatedPs = null; 7690 7691 // writer 7692 synchronized (mPackages) { 7693 if (pkg.mSharedUserId != null) { 7694 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7695 if (suid == null) { 7696 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7697 "Creating application package " + pkg.packageName 7698 + " for shared user failed"); 7699 } 7700 if (DEBUG_PACKAGE_SCANNING) { 7701 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7702 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7703 + "): packages=" + suid.packages); 7704 } 7705 } 7706 7707 // Check if we are renaming from an original package name. 7708 PackageSetting origPackage = null; 7709 String realName = null; 7710 if (pkg.mOriginalPackages != null) { 7711 // This package may need to be renamed to a previously 7712 // installed name. Let's check on that... 7713 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7714 if (pkg.mOriginalPackages.contains(renamed)) { 7715 // This package had originally been installed as the 7716 // original name, and we have already taken care of 7717 // transitioning to the new one. Just update the new 7718 // one to continue using the old name. 7719 realName = pkg.mRealPackage; 7720 if (!pkg.packageName.equals(renamed)) { 7721 // Callers into this function may have already taken 7722 // care of renaming the package; only do it here if 7723 // it is not already done. 7724 pkg.setPackageName(renamed); 7725 } 7726 7727 } else { 7728 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7729 if ((origPackage = mSettings.peekPackageLPr( 7730 pkg.mOriginalPackages.get(i))) != null) { 7731 // We do have the package already installed under its 7732 // original name... should we use it? 7733 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7734 // New package is not compatible with original. 7735 origPackage = null; 7736 continue; 7737 } else if (origPackage.sharedUser != null) { 7738 // Make sure uid is compatible between packages. 7739 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7740 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7741 + " to " + pkg.packageName + ": old uid " 7742 + origPackage.sharedUser.name 7743 + " differs from " + pkg.mSharedUserId); 7744 origPackage = null; 7745 continue; 7746 } 7747 } else { 7748 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7749 + pkg.packageName + " to old name " + origPackage.name); 7750 } 7751 break; 7752 } 7753 } 7754 } 7755 } 7756 7757 if (mTransferedPackages.contains(pkg.packageName)) { 7758 Slog.w(TAG, "Package " + pkg.packageName 7759 + " was transferred to another, but its .apk remains"); 7760 } 7761 7762 // See comments in nonMutatedPs declaration 7763 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7764 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7765 if (foundPs != null) { 7766 nonMutatedPs = new PackageSetting(foundPs); 7767 } 7768 } 7769 7770 // Just create the setting, don't add it yet. For already existing packages 7771 // the PkgSetting exists already and doesn't have to be created. 7772 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7773 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7774 pkg.applicationInfo.primaryCpuAbi, 7775 pkg.applicationInfo.secondaryCpuAbi, 7776 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7777 user, false); 7778 if (pkgSetting == null) { 7779 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7780 "Creating application package " + pkg.packageName + " failed"); 7781 } 7782 7783 if (pkgSetting.origPackage != null) { 7784 // If we are first transitioning from an original package, 7785 // fix up the new package's name now. We need to do this after 7786 // looking up the package under its new name, so getPackageLP 7787 // can take care of fiddling things correctly. 7788 pkg.setPackageName(origPackage.name); 7789 7790 // File a report about this. 7791 String msg = "New package " + pkgSetting.realName 7792 + " renamed to replace old package " + pkgSetting.name; 7793 reportSettingsProblem(Log.WARN, msg); 7794 7795 // Make a note of it. 7796 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7797 mTransferedPackages.add(origPackage.name); 7798 } 7799 7800 // No longer need to retain this. 7801 pkgSetting.origPackage = null; 7802 } 7803 7804 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7805 // Make a note of it. 7806 mTransferedPackages.add(pkg.packageName); 7807 } 7808 7809 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7810 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7811 } 7812 7813 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7814 // Check all shared libraries and map to their actual file path. 7815 // We only do this here for apps not on a system dir, because those 7816 // are the only ones that can fail an install due to this. We 7817 // will take care of the system apps by updating all of their 7818 // library paths after the scan is done. 7819 updateSharedLibrariesLPw(pkg, null); 7820 } 7821 7822 if (mFoundPolicyFile) { 7823 SELinuxMMAC.assignSeinfoValue(pkg); 7824 } 7825 7826 pkg.applicationInfo.uid = pkgSetting.appId; 7827 pkg.mExtras = pkgSetting; 7828 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7829 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7830 // We just determined the app is signed correctly, so bring 7831 // over the latest parsed certs. 7832 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7833 } else { 7834 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7835 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7836 "Package " + pkg.packageName + " upgrade keys do not match the " 7837 + "previously installed version"); 7838 } else { 7839 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7840 String msg = "System package " + pkg.packageName 7841 + " signature changed; retaining data."; 7842 reportSettingsProblem(Log.WARN, msg); 7843 } 7844 } 7845 } else { 7846 try { 7847 verifySignaturesLP(pkgSetting, pkg); 7848 // We just determined the app is signed correctly, so bring 7849 // over the latest parsed certs. 7850 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7851 } catch (PackageManagerException e) { 7852 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7853 throw e; 7854 } 7855 // The signature has changed, but this package is in the system 7856 // image... let's recover! 7857 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7858 // However... if this package is part of a shared user, but it 7859 // doesn't match the signature of the shared user, let's fail. 7860 // What this means is that you can't change the signatures 7861 // associated with an overall shared user, which doesn't seem all 7862 // that unreasonable. 7863 if (pkgSetting.sharedUser != null) { 7864 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7865 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7866 throw new PackageManagerException( 7867 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7868 "Signature mismatch for shared user: " 7869 + pkgSetting.sharedUser); 7870 } 7871 } 7872 // File a report about this. 7873 String msg = "System package " + pkg.packageName 7874 + " signature changed; retaining data."; 7875 reportSettingsProblem(Log.WARN, msg); 7876 } 7877 } 7878 // Verify that this new package doesn't have any content providers 7879 // that conflict with existing packages. Only do this if the 7880 // package isn't already installed, since we don't want to break 7881 // things that are installed. 7882 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7883 final int N = pkg.providers.size(); 7884 int i; 7885 for (i=0; i<N; i++) { 7886 PackageParser.Provider p = pkg.providers.get(i); 7887 if (p.info.authority != null) { 7888 String names[] = p.info.authority.split(";"); 7889 for (int j = 0; j < names.length; j++) { 7890 if (mProvidersByAuthority.containsKey(names[j])) { 7891 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7892 final String otherPackageName = 7893 ((other != null && other.getComponentName() != null) ? 7894 other.getComponentName().getPackageName() : "?"); 7895 throw new PackageManagerException( 7896 INSTALL_FAILED_CONFLICTING_PROVIDER, 7897 "Can't install because provider name " + names[j] 7898 + " (in package " + pkg.applicationInfo.packageName 7899 + ") is already used by " + otherPackageName); 7900 } 7901 } 7902 } 7903 } 7904 } 7905 7906 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7907 // This package wants to adopt ownership of permissions from 7908 // another package. 7909 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7910 final String origName = pkg.mAdoptPermissions.get(i); 7911 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7912 if (orig != null) { 7913 if (verifyPackageUpdateLPr(orig, pkg)) { 7914 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7915 + pkg.packageName); 7916 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7917 } 7918 } 7919 } 7920 } 7921 } 7922 7923 final String pkgName = pkg.packageName; 7924 7925 final long scanFileTime = scanFile.lastModified(); 7926 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7927 pkg.applicationInfo.processName = fixProcessName( 7928 pkg.applicationInfo.packageName, 7929 pkg.applicationInfo.processName, 7930 pkg.applicationInfo.uid); 7931 7932 if (pkg != mPlatformPackage) { 7933 // Get all of our default paths setup 7934 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7935 } 7936 7937 final String path = scanFile.getPath(); 7938 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7939 7940 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7941 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7942 7943 // Some system apps still use directory structure for native libraries 7944 // in which case we might end up not detecting abi solely based on apk 7945 // structure. Try to detect abi based on directory structure. 7946 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7947 pkg.applicationInfo.primaryCpuAbi == null) { 7948 setBundledAppAbisAndRoots(pkg, pkgSetting); 7949 setNativeLibraryPaths(pkg); 7950 } 7951 7952 } else { 7953 if ((scanFlags & SCAN_MOVE) != 0) { 7954 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7955 // but we already have this packages package info in the PackageSetting. We just 7956 // use that and derive the native library path based on the new codepath. 7957 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7958 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7959 } 7960 7961 // Set native library paths again. For moves, the path will be updated based on the 7962 // ABIs we've determined above. For non-moves, the path will be updated based on the 7963 // ABIs we determined during compilation, but the path will depend on the final 7964 // package path (after the rename away from the stage path). 7965 setNativeLibraryPaths(pkg); 7966 } 7967 7968 // This is a special case for the "system" package, where the ABI is 7969 // dictated by the zygote configuration (and init.rc). We should keep track 7970 // of this ABI so that we can deal with "normal" applications that run under 7971 // the same UID correctly. 7972 if (mPlatformPackage == pkg) { 7973 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7974 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7975 } 7976 7977 // If there's a mismatch between the abi-override in the package setting 7978 // and the abiOverride specified for the install. Warn about this because we 7979 // would've already compiled the app without taking the package setting into 7980 // account. 7981 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7982 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7983 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7984 " for package " + pkg.packageName); 7985 } 7986 } 7987 7988 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7989 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7990 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7991 7992 // Copy the derived override back to the parsed package, so that we can 7993 // update the package settings accordingly. 7994 pkg.cpuAbiOverride = cpuAbiOverride; 7995 7996 if (DEBUG_ABI_SELECTION) { 7997 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7998 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7999 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8000 } 8001 8002 // Push the derived path down into PackageSettings so we know what to 8003 // clean up at uninstall time. 8004 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8005 8006 if (DEBUG_ABI_SELECTION) { 8007 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8008 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8009 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8010 } 8011 8012 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8013 // We don't do this here during boot because we can do it all 8014 // at once after scanning all existing packages. 8015 // 8016 // We also do this *before* we perform dexopt on this package, so that 8017 // we can avoid redundant dexopts, and also to make sure we've got the 8018 // code and package path correct. 8019 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8020 pkg, true /* boot complete */); 8021 } 8022 8023 if (mFactoryTest && pkg.requestedPermissions.contains( 8024 android.Manifest.permission.FACTORY_TEST)) { 8025 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8026 } 8027 8028 ArrayList<PackageParser.Package> clientLibPkgs = null; 8029 8030 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8031 if (nonMutatedPs != null) { 8032 synchronized (mPackages) { 8033 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8034 } 8035 } 8036 return pkg; 8037 } 8038 8039 // Only privileged apps and updated privileged apps can add child packages. 8040 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8041 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 8042 throw new PackageManagerException("Only privileged apps and updated " 8043 + "privileged apps can add child packages. Ignoring package " 8044 + pkg.packageName); 8045 } 8046 final int childCount = pkg.childPackages.size(); 8047 for (int i = 0; i < childCount; i++) { 8048 PackageParser.Package childPkg = pkg.childPackages.get(i); 8049 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8050 childPkg.packageName)) { 8051 throw new PackageManagerException("Cannot override a child package of " 8052 + "another disabled system app. Ignoring package " + pkg.packageName); 8053 } 8054 } 8055 } 8056 8057 // writer 8058 synchronized (mPackages) { 8059 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8060 // Only system apps can add new shared libraries. 8061 if (pkg.libraryNames != null) { 8062 for (int i=0; i<pkg.libraryNames.size(); i++) { 8063 String name = pkg.libraryNames.get(i); 8064 boolean allowed = false; 8065 if (pkg.isUpdatedSystemApp()) { 8066 // New library entries can only be added through the 8067 // system image. This is important to get rid of a lot 8068 // of nasty edge cases: for example if we allowed a non- 8069 // system update of the app to add a library, then uninstalling 8070 // the update would make the library go away, and assumptions 8071 // we made such as through app install filtering would now 8072 // have allowed apps on the device which aren't compatible 8073 // with it. Better to just have the restriction here, be 8074 // conservative, and create many fewer cases that can negatively 8075 // impact the user experience. 8076 final PackageSetting sysPs = mSettings 8077 .getDisabledSystemPkgLPr(pkg.packageName); 8078 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8079 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8080 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8081 allowed = true; 8082 break; 8083 } 8084 } 8085 } 8086 } else { 8087 allowed = true; 8088 } 8089 if (allowed) { 8090 if (!mSharedLibraries.containsKey(name)) { 8091 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8092 } else if (!name.equals(pkg.packageName)) { 8093 Slog.w(TAG, "Package " + pkg.packageName + " library " 8094 + name + " already exists; skipping"); 8095 } 8096 } else { 8097 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8098 + name + " that is not declared on system image; skipping"); 8099 } 8100 } 8101 if ((scanFlags & SCAN_BOOTING) == 0) { 8102 // If we are not booting, we need to update any applications 8103 // that are clients of our shared library. If we are booting, 8104 // this will all be done once the scan is complete. 8105 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8106 } 8107 } 8108 } 8109 } 8110 8111 // Request the ActivityManager to kill the process(only for existing packages) 8112 // so that we do not end up in a confused state while the user is still using the older 8113 // version of the application while the new one gets installed. 8114 final boolean isReplacing = (scanFlags & SCAN_REPLACING) != 0; 8115 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 8116 if (killApp) { 8117 if (isReplacing) { 8118 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 8119 8120 killApplication(pkg.applicationInfo.packageName, 8121 pkg.applicationInfo.uid, "replace pkg"); 8122 8123 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8124 } 8125 } 8126 8127 // Also need to kill any apps that are dependent on the library. 8128 if (clientLibPkgs != null) { 8129 for (int i=0; i<clientLibPkgs.size(); i++) { 8130 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8131 killApplication(clientPkg.applicationInfo.packageName, 8132 clientPkg.applicationInfo.uid, "update lib"); 8133 } 8134 } 8135 8136 // Make sure we're not adding any bogus keyset info 8137 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8138 ksms.assertScannedPackageValid(pkg); 8139 8140 // writer 8141 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8142 8143 boolean createIdmapFailed = false; 8144 synchronized (mPackages) { 8145 // We don't expect installation to fail beyond this point 8146 8147 // Add the new setting to mSettings 8148 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8149 // Add the new setting to mPackages 8150 mPackages.put(pkg.applicationInfo.packageName, pkg); 8151 // Make sure we don't accidentally delete its data. 8152 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8153 while (iter.hasNext()) { 8154 PackageCleanItem item = iter.next(); 8155 if (pkgName.equals(item.packageName)) { 8156 iter.remove(); 8157 } 8158 } 8159 8160 // Take care of first install / last update times. 8161 if (currentTime != 0) { 8162 if (pkgSetting.firstInstallTime == 0) { 8163 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8164 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8165 pkgSetting.lastUpdateTime = currentTime; 8166 } 8167 } else if (pkgSetting.firstInstallTime == 0) { 8168 // We need *something*. Take time time stamp of the file. 8169 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8170 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8171 if (scanFileTime != pkgSetting.timeStamp) { 8172 // A package on the system image has changed; consider this 8173 // to be an update. 8174 pkgSetting.lastUpdateTime = scanFileTime; 8175 } 8176 } 8177 8178 // Add the package's KeySets to the global KeySetManagerService 8179 ksms.addScannedPackageLPw(pkg); 8180 8181 int N = pkg.providers.size(); 8182 StringBuilder r = null; 8183 int i; 8184 for (i=0; i<N; i++) { 8185 PackageParser.Provider p = pkg.providers.get(i); 8186 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8187 p.info.processName, pkg.applicationInfo.uid); 8188 mProviders.addProvider(p); 8189 p.syncable = p.info.isSyncable; 8190 if (p.info.authority != null) { 8191 String names[] = p.info.authority.split(";"); 8192 p.info.authority = null; 8193 for (int j = 0; j < names.length; j++) { 8194 if (j == 1 && p.syncable) { 8195 // We only want the first authority for a provider to possibly be 8196 // syncable, so if we already added this provider using a different 8197 // authority clear the syncable flag. We copy the provider before 8198 // changing it because the mProviders object contains a reference 8199 // to a provider that we don't want to change. 8200 // Only do this for the second authority since the resulting provider 8201 // object can be the same for all future authorities for this provider. 8202 p = new PackageParser.Provider(p); 8203 p.syncable = false; 8204 } 8205 if (!mProvidersByAuthority.containsKey(names[j])) { 8206 mProvidersByAuthority.put(names[j], p); 8207 if (p.info.authority == null) { 8208 p.info.authority = names[j]; 8209 } else { 8210 p.info.authority = p.info.authority + ";" + names[j]; 8211 } 8212 if (DEBUG_PACKAGE_SCANNING) { 8213 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 8214 Log.d(TAG, "Registered content provider: " + names[j] 8215 + ", className = " + p.info.name + ", isSyncable = " 8216 + p.info.isSyncable); 8217 } 8218 } else { 8219 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8220 Slog.w(TAG, "Skipping provider name " + names[j] + 8221 " (in package " + pkg.applicationInfo.packageName + 8222 "): name already used by " 8223 + ((other != null && other.getComponentName() != null) 8224 ? other.getComponentName().getPackageName() : "?")); 8225 } 8226 } 8227 } 8228 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8229 if (r == null) { 8230 r = new StringBuilder(256); 8231 } else { 8232 r.append(' '); 8233 } 8234 r.append(p.info.name); 8235 } 8236 } 8237 if (r != null) { 8238 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8239 } 8240 8241 N = pkg.services.size(); 8242 r = null; 8243 for (i=0; i<N; i++) { 8244 PackageParser.Service s = pkg.services.get(i); 8245 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8246 s.info.processName, pkg.applicationInfo.uid); 8247 mServices.addService(s); 8248 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8249 if (r == null) { 8250 r = new StringBuilder(256); 8251 } else { 8252 r.append(' '); 8253 } 8254 r.append(s.info.name); 8255 } 8256 } 8257 if (r != null) { 8258 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8259 } 8260 8261 N = pkg.receivers.size(); 8262 r = null; 8263 for (i=0; i<N; i++) { 8264 PackageParser.Activity a = pkg.receivers.get(i); 8265 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8266 a.info.processName, pkg.applicationInfo.uid); 8267 mReceivers.addActivity(a, "receiver"); 8268 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8269 if (r == null) { 8270 r = new StringBuilder(256); 8271 } else { 8272 r.append(' '); 8273 } 8274 r.append(a.info.name); 8275 } 8276 } 8277 if (r != null) { 8278 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8279 } 8280 8281 N = pkg.activities.size(); 8282 r = null; 8283 for (i=0; i<N; i++) { 8284 PackageParser.Activity a = pkg.activities.get(i); 8285 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8286 a.info.processName, pkg.applicationInfo.uid); 8287 mActivities.addActivity(a, "activity"); 8288 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8289 if (r == null) { 8290 r = new StringBuilder(256); 8291 } else { 8292 r.append(' '); 8293 } 8294 r.append(a.info.name); 8295 } 8296 } 8297 if (r != null) { 8298 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8299 } 8300 8301 N = pkg.permissionGroups.size(); 8302 r = null; 8303 for (i=0; i<N; i++) { 8304 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8305 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8306 if (cur == null) { 8307 mPermissionGroups.put(pg.info.name, pg); 8308 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8309 if (r == null) { 8310 r = new StringBuilder(256); 8311 } else { 8312 r.append(' '); 8313 } 8314 r.append(pg.info.name); 8315 } 8316 } else { 8317 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8318 + pg.info.packageName + " ignored: original from " 8319 + cur.info.packageName); 8320 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8321 if (r == null) { 8322 r = new StringBuilder(256); 8323 } else { 8324 r.append(' '); 8325 } 8326 r.append("DUP:"); 8327 r.append(pg.info.name); 8328 } 8329 } 8330 } 8331 if (r != null) { 8332 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8333 } 8334 8335 N = pkg.permissions.size(); 8336 r = null; 8337 for (i=0; i<N; i++) { 8338 PackageParser.Permission p = pkg.permissions.get(i); 8339 8340 // Assume by default that we did not install this permission into the system. 8341 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8342 8343 // Now that permission groups have a special meaning, we ignore permission 8344 // groups for legacy apps to prevent unexpected behavior. In particular, 8345 // permissions for one app being granted to someone just becase they happen 8346 // to be in a group defined by another app (before this had no implications). 8347 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8348 p.group = mPermissionGroups.get(p.info.group); 8349 // Warn for a permission in an unknown group. 8350 if (p.info.group != null && p.group == null) { 8351 Slog.w(TAG, "Permission " + p.info.name + " from package " 8352 + p.info.packageName + " in an unknown group " + p.info.group); 8353 } 8354 } 8355 8356 ArrayMap<String, BasePermission> permissionMap = 8357 p.tree ? mSettings.mPermissionTrees 8358 : mSettings.mPermissions; 8359 BasePermission bp = permissionMap.get(p.info.name); 8360 8361 // Allow system apps to redefine non-system permissions 8362 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8363 final boolean currentOwnerIsSystem = (bp.perm != null 8364 && isSystemApp(bp.perm.owner)); 8365 if (isSystemApp(p.owner)) { 8366 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8367 // It's a built-in permission and no owner, take ownership now 8368 bp.packageSetting = pkgSetting; 8369 bp.perm = p; 8370 bp.uid = pkg.applicationInfo.uid; 8371 bp.sourcePackage = p.info.packageName; 8372 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8373 } else if (!currentOwnerIsSystem) { 8374 String msg = "New decl " + p.owner + " of permission " 8375 + p.info.name + " is system; overriding " + bp.sourcePackage; 8376 reportSettingsProblem(Log.WARN, msg); 8377 bp = null; 8378 } 8379 } 8380 } 8381 8382 if (bp == null) { 8383 bp = new BasePermission(p.info.name, p.info.packageName, 8384 BasePermission.TYPE_NORMAL); 8385 permissionMap.put(p.info.name, bp); 8386 } 8387 8388 if (bp.perm == null) { 8389 if (bp.sourcePackage == null 8390 || bp.sourcePackage.equals(p.info.packageName)) { 8391 BasePermission tree = findPermissionTreeLP(p.info.name); 8392 if (tree == null 8393 || tree.sourcePackage.equals(p.info.packageName)) { 8394 bp.packageSetting = pkgSetting; 8395 bp.perm = p; 8396 bp.uid = pkg.applicationInfo.uid; 8397 bp.sourcePackage = p.info.packageName; 8398 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8399 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8400 if (r == null) { 8401 r = new StringBuilder(256); 8402 } else { 8403 r.append(' '); 8404 } 8405 r.append(p.info.name); 8406 } 8407 } else { 8408 Slog.w(TAG, "Permission " + p.info.name + " from package " 8409 + p.info.packageName + " ignored: base tree " 8410 + tree.name + " is from package " 8411 + tree.sourcePackage); 8412 } 8413 } else { 8414 Slog.w(TAG, "Permission " + p.info.name + " from package " 8415 + p.info.packageName + " ignored: original from " 8416 + bp.sourcePackage); 8417 } 8418 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8419 if (r == null) { 8420 r = new StringBuilder(256); 8421 } else { 8422 r.append(' '); 8423 } 8424 r.append("DUP:"); 8425 r.append(p.info.name); 8426 } 8427 if (bp.perm == p) { 8428 bp.protectionLevel = p.info.protectionLevel; 8429 } 8430 } 8431 8432 if (r != null) { 8433 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8434 } 8435 8436 N = pkg.instrumentation.size(); 8437 r = null; 8438 for (i=0; i<N; i++) { 8439 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8440 a.info.packageName = pkg.applicationInfo.packageName; 8441 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8442 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8443 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8444 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8445 a.info.dataDir = pkg.applicationInfo.dataDir; 8446 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8447 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8448 8449 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8450 // need other information about the application, like the ABI and what not ? 8451 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8452 mInstrumentation.put(a.getComponentName(), a); 8453 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8454 if (r == null) { 8455 r = new StringBuilder(256); 8456 } else { 8457 r.append(' '); 8458 } 8459 r.append(a.info.name); 8460 } 8461 } 8462 if (r != null) { 8463 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8464 } 8465 8466 if (pkg.protectedBroadcasts != null) { 8467 N = pkg.protectedBroadcasts.size(); 8468 for (i=0; i<N; i++) { 8469 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8470 } 8471 } 8472 8473 pkgSetting.setTimeStamp(scanFileTime); 8474 8475 // Create idmap files for pairs of (packages, overlay packages). 8476 // Note: "android", ie framework-res.apk, is handled by native layers. 8477 if (pkg.mOverlayTarget != null) { 8478 // This is an overlay package. 8479 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8480 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8481 mOverlays.put(pkg.mOverlayTarget, 8482 new ArrayMap<String, PackageParser.Package>()); 8483 } 8484 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8485 map.put(pkg.packageName, pkg); 8486 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8487 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8488 createIdmapFailed = true; 8489 } 8490 } 8491 } else if (mOverlays.containsKey(pkg.packageName) && 8492 !pkg.packageName.equals("android")) { 8493 // This is a regular package, with one or more known overlay packages. 8494 createIdmapsForPackageLI(pkg); 8495 } 8496 } 8497 8498 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8499 8500 if (createIdmapFailed) { 8501 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8502 "scanPackageLI failed to createIdmap"); 8503 } 8504 return pkg; 8505 } 8506 8507 /** 8508 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8509 * is derived purely on the basis of the contents of {@code scanFile} and 8510 * {@code cpuAbiOverride}. 8511 * 8512 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8513 */ 8514 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8515 String cpuAbiOverride, boolean extractLibs) 8516 throws PackageManagerException { 8517 // TODO: We can probably be smarter about this stuff. For installed apps, 8518 // we can calculate this information at install time once and for all. For 8519 // system apps, we can probably assume that this information doesn't change 8520 // after the first boot scan. As things stand, we do lots of unnecessary work. 8521 8522 // Give ourselves some initial paths; we'll come back for another 8523 // pass once we've determined ABI below. 8524 setNativeLibraryPaths(pkg); 8525 8526 // We would never need to extract libs for forward-locked and external packages, 8527 // since the container service will do it for us. We shouldn't attempt to 8528 // extract libs from system app when it was not updated. 8529 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8530 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8531 extractLibs = false; 8532 } 8533 8534 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8535 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8536 8537 NativeLibraryHelper.Handle handle = null; 8538 try { 8539 handle = NativeLibraryHelper.Handle.create(pkg); 8540 // TODO(multiArch): This can be null for apps that didn't go through the 8541 // usual installation process. We can calculate it again, like we 8542 // do during install time. 8543 // 8544 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8545 // unnecessary. 8546 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8547 8548 // Null out the abis so that they can be recalculated. 8549 pkg.applicationInfo.primaryCpuAbi = null; 8550 pkg.applicationInfo.secondaryCpuAbi = null; 8551 if (isMultiArch(pkg.applicationInfo)) { 8552 // Warn if we've set an abiOverride for multi-lib packages.. 8553 // By definition, we need to copy both 32 and 64 bit libraries for 8554 // such packages. 8555 if (pkg.cpuAbiOverride != null 8556 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8557 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8558 } 8559 8560 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8561 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8562 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8563 if (extractLibs) { 8564 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8565 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8566 useIsaSpecificSubdirs); 8567 } else { 8568 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8569 } 8570 } 8571 8572 maybeThrowExceptionForMultiArchCopy( 8573 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8574 8575 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8576 if (extractLibs) { 8577 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8578 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8579 useIsaSpecificSubdirs); 8580 } else { 8581 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8582 } 8583 } 8584 8585 maybeThrowExceptionForMultiArchCopy( 8586 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8587 8588 if (abi64 >= 0) { 8589 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8590 } 8591 8592 if (abi32 >= 0) { 8593 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8594 if (abi64 >= 0) { 8595 if (pkg.use32bitAbi) { 8596 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8597 pkg.applicationInfo.primaryCpuAbi = abi; 8598 } else { 8599 pkg.applicationInfo.secondaryCpuAbi = abi; 8600 } 8601 } else { 8602 pkg.applicationInfo.primaryCpuAbi = abi; 8603 } 8604 } 8605 8606 } else { 8607 String[] abiList = (cpuAbiOverride != null) ? 8608 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8609 8610 // Enable gross and lame hacks for apps that are built with old 8611 // SDK tools. We must scan their APKs for renderscript bitcode and 8612 // not launch them if it's present. Don't bother checking on devices 8613 // that don't have 64 bit support. 8614 boolean needsRenderScriptOverride = false; 8615 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8616 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8617 abiList = Build.SUPPORTED_32_BIT_ABIS; 8618 needsRenderScriptOverride = true; 8619 } 8620 8621 final int copyRet; 8622 if (extractLibs) { 8623 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8624 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8625 } else { 8626 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8627 } 8628 8629 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8630 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8631 "Error unpackaging native libs for app, errorCode=" + copyRet); 8632 } 8633 8634 if (copyRet >= 0) { 8635 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8636 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8637 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8638 } else if (needsRenderScriptOverride) { 8639 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8640 } 8641 } 8642 } catch (IOException ioe) { 8643 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8644 } finally { 8645 IoUtils.closeQuietly(handle); 8646 } 8647 8648 // Now that we've calculated the ABIs and determined if it's an internal app, 8649 // we will go ahead and populate the nativeLibraryPath. 8650 setNativeLibraryPaths(pkg); 8651 } 8652 8653 /** 8654 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8655 * i.e, so that all packages can be run inside a single process if required. 8656 * 8657 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8658 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8659 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8660 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8661 * updating a package that belongs to a shared user. 8662 * 8663 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8664 * adds unnecessary complexity. 8665 */ 8666 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8667 PackageParser.Package scannedPackage, boolean bootComplete) { 8668 String requiredInstructionSet = null; 8669 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8670 requiredInstructionSet = VMRuntime.getInstructionSet( 8671 scannedPackage.applicationInfo.primaryCpuAbi); 8672 } 8673 8674 PackageSetting requirer = null; 8675 for (PackageSetting ps : packagesForUser) { 8676 // If packagesForUser contains scannedPackage, we skip it. This will happen 8677 // when scannedPackage is an update of an existing package. Without this check, 8678 // we will never be able to change the ABI of any package belonging to a shared 8679 // user, even if it's compatible with other packages. 8680 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8681 if (ps.primaryCpuAbiString == null) { 8682 continue; 8683 } 8684 8685 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8686 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8687 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8688 // this but there's not much we can do. 8689 String errorMessage = "Instruction set mismatch, " 8690 + ((requirer == null) ? "[caller]" : requirer) 8691 + " requires " + requiredInstructionSet + " whereas " + ps 8692 + " requires " + instructionSet; 8693 Slog.w(TAG, errorMessage); 8694 } 8695 8696 if (requiredInstructionSet == null) { 8697 requiredInstructionSet = instructionSet; 8698 requirer = ps; 8699 } 8700 } 8701 } 8702 8703 if (requiredInstructionSet != null) { 8704 String adjustedAbi; 8705 if (requirer != null) { 8706 // requirer != null implies that either scannedPackage was null or that scannedPackage 8707 // did not require an ABI, in which case we have to adjust scannedPackage to match 8708 // the ABI of the set (which is the same as requirer's ABI) 8709 adjustedAbi = requirer.primaryCpuAbiString; 8710 if (scannedPackage != null) { 8711 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8712 } 8713 } else { 8714 // requirer == null implies that we're updating all ABIs in the set to 8715 // match scannedPackage. 8716 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8717 } 8718 8719 for (PackageSetting ps : packagesForUser) { 8720 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8721 if (ps.primaryCpuAbiString != null) { 8722 continue; 8723 } 8724 8725 ps.primaryCpuAbiString = adjustedAbi; 8726 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8727 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8728 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8729 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8730 + " (requirer=" 8731 + (requirer == null ? "null" : requirer.pkg.packageName) 8732 + ", scannedPackage=" 8733 + (scannedPackage != null ? scannedPackage.packageName : "null") 8734 + ")"); 8735 try { 8736 mInstaller.rmdex(ps.codePathString, 8737 getDexCodeInstructionSet(getPreferredInstructionSet())); 8738 } catch (InstallerException ignored) { 8739 } 8740 } 8741 } 8742 } 8743 } 8744 } 8745 8746 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8747 synchronized (mPackages) { 8748 mResolverReplaced = true; 8749 // Set up information for custom user intent resolution activity. 8750 mResolveActivity.applicationInfo = pkg.applicationInfo; 8751 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8752 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8753 mResolveActivity.processName = pkg.applicationInfo.packageName; 8754 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8755 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8756 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8757 mResolveActivity.theme = 0; 8758 mResolveActivity.exported = true; 8759 mResolveActivity.enabled = true; 8760 mResolveInfo.activityInfo = mResolveActivity; 8761 mResolveInfo.priority = 0; 8762 mResolveInfo.preferredOrder = 0; 8763 mResolveInfo.match = 0; 8764 mResolveComponentName = mCustomResolverComponentName; 8765 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8766 mResolveComponentName); 8767 } 8768 } 8769 8770 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8771 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8772 8773 // Set up information for ephemeral installer activity 8774 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8775 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8776 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8777 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8778 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8779 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8780 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8781 mEphemeralInstallerActivity.theme = 0; 8782 mEphemeralInstallerActivity.exported = true; 8783 mEphemeralInstallerActivity.enabled = true; 8784 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8785 mEphemeralInstallerInfo.priority = 0; 8786 mEphemeralInstallerInfo.preferredOrder = 0; 8787 mEphemeralInstallerInfo.match = 0; 8788 8789 if (DEBUG_EPHEMERAL) { 8790 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8791 } 8792 } 8793 8794 private static String calculateBundledApkRoot(final String codePathString) { 8795 final File codePath = new File(codePathString); 8796 final File codeRoot; 8797 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8798 codeRoot = Environment.getRootDirectory(); 8799 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8800 codeRoot = Environment.getOemDirectory(); 8801 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8802 codeRoot = Environment.getVendorDirectory(); 8803 } else { 8804 // Unrecognized code path; take its top real segment as the apk root: 8805 // e.g. /something/app/blah.apk => /something 8806 try { 8807 File f = codePath.getCanonicalFile(); 8808 File parent = f.getParentFile(); // non-null because codePath is a file 8809 File tmp; 8810 while ((tmp = parent.getParentFile()) != null) { 8811 f = parent; 8812 parent = tmp; 8813 } 8814 codeRoot = f; 8815 Slog.w(TAG, "Unrecognized code path " 8816 + codePath + " - using " + codeRoot); 8817 } catch (IOException e) { 8818 // Can't canonicalize the code path -- shenanigans? 8819 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8820 return Environment.getRootDirectory().getPath(); 8821 } 8822 } 8823 return codeRoot.getPath(); 8824 } 8825 8826 /** 8827 * Derive and set the location of native libraries for the given package, 8828 * which varies depending on where and how the package was installed. 8829 */ 8830 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8831 final ApplicationInfo info = pkg.applicationInfo; 8832 final String codePath = pkg.codePath; 8833 final File codeFile = new File(codePath); 8834 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8835 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8836 8837 info.nativeLibraryRootDir = null; 8838 info.nativeLibraryRootRequiresIsa = false; 8839 info.nativeLibraryDir = null; 8840 info.secondaryNativeLibraryDir = null; 8841 8842 if (isApkFile(codeFile)) { 8843 // Monolithic install 8844 if (bundledApp) { 8845 // If "/system/lib64/apkname" exists, assume that is the per-package 8846 // native library directory to use; otherwise use "/system/lib/apkname". 8847 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8848 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8849 getPrimaryInstructionSet(info)); 8850 8851 // This is a bundled system app so choose the path based on the ABI. 8852 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8853 // is just the default path. 8854 final String apkName = deriveCodePathName(codePath); 8855 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8856 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8857 apkName).getAbsolutePath(); 8858 8859 if (info.secondaryCpuAbi != null) { 8860 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8861 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8862 secondaryLibDir, apkName).getAbsolutePath(); 8863 } 8864 } else if (asecApp) { 8865 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8866 .getAbsolutePath(); 8867 } else { 8868 final String apkName = deriveCodePathName(codePath); 8869 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8870 .getAbsolutePath(); 8871 } 8872 8873 info.nativeLibraryRootRequiresIsa = false; 8874 info.nativeLibraryDir = info.nativeLibraryRootDir; 8875 } else { 8876 // Cluster install 8877 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8878 info.nativeLibraryRootRequiresIsa = true; 8879 8880 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8881 getPrimaryInstructionSet(info)).getAbsolutePath(); 8882 8883 if (info.secondaryCpuAbi != null) { 8884 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8885 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8886 } 8887 } 8888 } 8889 8890 /** 8891 * Calculate the abis and roots for a bundled app. These can uniquely 8892 * be determined from the contents of the system partition, i.e whether 8893 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8894 * of this information, and instead assume that the system was built 8895 * sensibly. 8896 */ 8897 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8898 PackageSetting pkgSetting) { 8899 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8900 8901 // If "/system/lib64/apkname" exists, assume that is the per-package 8902 // native library directory to use; otherwise use "/system/lib/apkname". 8903 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8904 setBundledAppAbi(pkg, apkRoot, apkName); 8905 // pkgSetting might be null during rescan following uninstall of updates 8906 // to a bundled app, so accommodate that possibility. The settings in 8907 // that case will be established later from the parsed package. 8908 // 8909 // If the settings aren't null, sync them up with what we've just derived. 8910 // note that apkRoot isn't stored in the package settings. 8911 if (pkgSetting != null) { 8912 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8913 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8914 } 8915 } 8916 8917 /** 8918 * Deduces the ABI of a bundled app and sets the relevant fields on the 8919 * parsed pkg object. 8920 * 8921 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8922 * under which system libraries are installed. 8923 * @param apkName the name of the installed package. 8924 */ 8925 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8926 final File codeFile = new File(pkg.codePath); 8927 8928 final boolean has64BitLibs; 8929 final boolean has32BitLibs; 8930 if (isApkFile(codeFile)) { 8931 // Monolithic install 8932 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8933 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8934 } else { 8935 // Cluster install 8936 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8937 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8938 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8939 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8940 has64BitLibs = (new File(rootDir, isa)).exists(); 8941 } else { 8942 has64BitLibs = false; 8943 } 8944 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8945 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8946 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8947 has32BitLibs = (new File(rootDir, isa)).exists(); 8948 } else { 8949 has32BitLibs = false; 8950 } 8951 } 8952 8953 if (has64BitLibs && !has32BitLibs) { 8954 // The package has 64 bit libs, but not 32 bit libs. Its primary 8955 // ABI should be 64 bit. We can safely assume here that the bundled 8956 // native libraries correspond to the most preferred ABI in the list. 8957 8958 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8959 pkg.applicationInfo.secondaryCpuAbi = null; 8960 } else if (has32BitLibs && !has64BitLibs) { 8961 // The package has 32 bit libs but not 64 bit libs. Its primary 8962 // ABI should be 32 bit. 8963 8964 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8965 pkg.applicationInfo.secondaryCpuAbi = null; 8966 } else if (has32BitLibs && has64BitLibs) { 8967 // The application has both 64 and 32 bit bundled libraries. We check 8968 // here that the app declares multiArch support, and warn if it doesn't. 8969 // 8970 // We will be lenient here and record both ABIs. The primary will be the 8971 // ABI that's higher on the list, i.e, a device that's configured to prefer 8972 // 64 bit apps will see a 64 bit primary ABI, 8973 8974 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8975 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8976 } 8977 8978 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8979 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8980 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8981 } else { 8982 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8983 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8984 } 8985 } else { 8986 pkg.applicationInfo.primaryCpuAbi = null; 8987 pkg.applicationInfo.secondaryCpuAbi = null; 8988 } 8989 } 8990 8991 private void killPackage(PackageParser.Package pkg, String reason) { 8992 // Kill the parent package 8993 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8994 // Kill the child packages 8995 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8996 for (int i = 0; i < childCount; i++) { 8997 PackageParser.Package childPkg = pkg.childPackages.get(i); 8998 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8999 } 9000 } 9001 9002 private void killApplication(String pkgName, int appId, String reason) { 9003 // Request the ActivityManager to kill the process(only for existing packages) 9004 // so that we do not end up in a confused state while the user is still using the older 9005 // version of the application while the new one gets installed. 9006 IActivityManager am = ActivityManagerNative.getDefault(); 9007 if (am != null) { 9008 try { 9009 am.killApplicationWithAppId(pkgName, appId, reason); 9010 } catch (RemoteException e) { 9011 } 9012 } 9013 } 9014 9015 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9016 // Remove the parent package setting 9017 PackageSetting ps = (PackageSetting) pkg.mExtras; 9018 if (ps != null) { 9019 removePackageLI(ps, chatty); 9020 } 9021 // Remove the child package setting 9022 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9023 for (int i = 0; i < childCount; i++) { 9024 PackageParser.Package childPkg = pkg.childPackages.get(i); 9025 ps = (PackageSetting) childPkg.mExtras; 9026 if (ps != null) { 9027 removePackageLI(ps, chatty); 9028 } 9029 } 9030 } 9031 9032 void removePackageLI(PackageSetting ps, boolean chatty) { 9033 if (DEBUG_INSTALL) { 9034 if (chatty) 9035 Log.d(TAG, "Removing package " + ps.name); 9036 } 9037 9038 // writer 9039 synchronized (mPackages) { 9040 mPackages.remove(ps.name); 9041 final PackageParser.Package pkg = ps.pkg; 9042 if (pkg != null) { 9043 cleanPackageDataStructuresLILPw(pkg, chatty); 9044 } 9045 } 9046 } 9047 9048 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9049 if (DEBUG_INSTALL) { 9050 if (chatty) 9051 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9052 } 9053 9054 // writer 9055 synchronized (mPackages) { 9056 // Remove the parent package 9057 mPackages.remove(pkg.applicationInfo.packageName); 9058 cleanPackageDataStructuresLILPw(pkg, chatty); 9059 9060 // Remove the child packages 9061 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9062 for (int i = 0; i < childCount; i++) { 9063 PackageParser.Package childPkg = pkg.childPackages.get(i); 9064 mPackages.remove(childPkg.applicationInfo.packageName); 9065 cleanPackageDataStructuresLILPw(childPkg, chatty); 9066 } 9067 } 9068 } 9069 9070 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9071 int N = pkg.providers.size(); 9072 StringBuilder r = null; 9073 int i; 9074 for (i=0; i<N; i++) { 9075 PackageParser.Provider p = pkg.providers.get(i); 9076 mProviders.removeProvider(p); 9077 if (p.info.authority == null) { 9078 9079 /* There was another ContentProvider with this authority when 9080 * this app was installed so this authority is null, 9081 * Ignore it as we don't have to unregister the provider. 9082 */ 9083 continue; 9084 } 9085 String names[] = p.info.authority.split(";"); 9086 for (int j = 0; j < names.length; j++) { 9087 if (mProvidersByAuthority.get(names[j]) == p) { 9088 mProvidersByAuthority.remove(names[j]); 9089 if (DEBUG_REMOVE) { 9090 if (chatty) 9091 Log.d(TAG, "Unregistered content provider: " + names[j] 9092 + ", className = " + p.info.name + ", isSyncable = " 9093 + p.info.isSyncable); 9094 } 9095 } 9096 } 9097 if (DEBUG_REMOVE && chatty) { 9098 if (r == null) { 9099 r = new StringBuilder(256); 9100 } else { 9101 r.append(' '); 9102 } 9103 r.append(p.info.name); 9104 } 9105 } 9106 if (r != null) { 9107 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9108 } 9109 9110 N = pkg.services.size(); 9111 r = null; 9112 for (i=0; i<N; i++) { 9113 PackageParser.Service s = pkg.services.get(i); 9114 mServices.removeService(s); 9115 if (chatty) { 9116 if (r == null) { 9117 r = new StringBuilder(256); 9118 } else { 9119 r.append(' '); 9120 } 9121 r.append(s.info.name); 9122 } 9123 } 9124 if (r != null) { 9125 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9126 } 9127 9128 N = pkg.receivers.size(); 9129 r = null; 9130 for (i=0; i<N; i++) { 9131 PackageParser.Activity a = pkg.receivers.get(i); 9132 mReceivers.removeActivity(a, "receiver"); 9133 if (DEBUG_REMOVE && chatty) { 9134 if (r == null) { 9135 r = new StringBuilder(256); 9136 } else { 9137 r.append(' '); 9138 } 9139 r.append(a.info.name); 9140 } 9141 } 9142 if (r != null) { 9143 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9144 } 9145 9146 N = pkg.activities.size(); 9147 r = null; 9148 for (i=0; i<N; i++) { 9149 PackageParser.Activity a = pkg.activities.get(i); 9150 mActivities.removeActivity(a, "activity"); 9151 if (DEBUG_REMOVE && chatty) { 9152 if (r == null) { 9153 r = new StringBuilder(256); 9154 } else { 9155 r.append(' '); 9156 } 9157 r.append(a.info.name); 9158 } 9159 } 9160 if (r != null) { 9161 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9162 } 9163 9164 N = pkg.permissions.size(); 9165 r = null; 9166 for (i=0; i<N; i++) { 9167 PackageParser.Permission p = pkg.permissions.get(i); 9168 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9169 if (bp == null) { 9170 bp = mSettings.mPermissionTrees.get(p.info.name); 9171 } 9172 if (bp != null && bp.perm == p) { 9173 bp.perm = null; 9174 if (DEBUG_REMOVE && chatty) { 9175 if (r == null) { 9176 r = new StringBuilder(256); 9177 } else { 9178 r.append(' '); 9179 } 9180 r.append(p.info.name); 9181 } 9182 } 9183 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9184 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9185 if (appOpPkgs != null) { 9186 appOpPkgs.remove(pkg.packageName); 9187 } 9188 } 9189 } 9190 if (r != null) { 9191 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9192 } 9193 9194 N = pkg.requestedPermissions.size(); 9195 r = null; 9196 for (i=0; i<N; i++) { 9197 String perm = pkg.requestedPermissions.get(i); 9198 BasePermission bp = mSettings.mPermissions.get(perm); 9199 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9200 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9201 if (appOpPkgs != null) { 9202 appOpPkgs.remove(pkg.packageName); 9203 if (appOpPkgs.isEmpty()) { 9204 mAppOpPermissionPackages.remove(perm); 9205 } 9206 } 9207 } 9208 } 9209 if (r != null) { 9210 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9211 } 9212 9213 N = pkg.instrumentation.size(); 9214 r = null; 9215 for (i=0; i<N; i++) { 9216 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9217 mInstrumentation.remove(a.getComponentName()); 9218 if (DEBUG_REMOVE && chatty) { 9219 if (r == null) { 9220 r = new StringBuilder(256); 9221 } else { 9222 r.append(' '); 9223 } 9224 r.append(a.info.name); 9225 } 9226 } 9227 if (r != null) { 9228 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9229 } 9230 9231 r = null; 9232 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9233 // Only system apps can hold shared libraries. 9234 if (pkg.libraryNames != null) { 9235 for (i=0; i<pkg.libraryNames.size(); i++) { 9236 String name = pkg.libraryNames.get(i); 9237 SharedLibraryEntry cur = mSharedLibraries.get(name); 9238 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9239 mSharedLibraries.remove(name); 9240 if (DEBUG_REMOVE && chatty) { 9241 if (r == null) { 9242 r = new StringBuilder(256); 9243 } else { 9244 r.append(' '); 9245 } 9246 r.append(name); 9247 } 9248 } 9249 } 9250 } 9251 } 9252 if (r != null) { 9253 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9254 } 9255 } 9256 9257 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9258 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9259 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9260 return true; 9261 } 9262 } 9263 return false; 9264 } 9265 9266 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9267 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9268 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9269 9270 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9271 // Update the parent permissions 9272 updatePermissionsLPw(pkg.packageName, pkg, flags); 9273 // Update the child permissions 9274 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9275 for (int i = 0; i < childCount; i++) { 9276 PackageParser.Package childPkg = pkg.childPackages.get(i); 9277 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9278 } 9279 } 9280 9281 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9282 int flags) { 9283 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9284 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9285 } 9286 9287 private void updatePermissionsLPw(String changingPkg, 9288 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9289 // Make sure there are no dangling permission trees. 9290 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9291 while (it.hasNext()) { 9292 final BasePermission bp = it.next(); 9293 if (bp.packageSetting == null) { 9294 // We may not yet have parsed the package, so just see if 9295 // we still know about its settings. 9296 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9297 } 9298 if (bp.packageSetting == null) { 9299 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9300 + " from package " + bp.sourcePackage); 9301 it.remove(); 9302 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9303 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9304 Slog.i(TAG, "Removing old permission tree: " + bp.name 9305 + " from package " + bp.sourcePackage); 9306 flags |= UPDATE_PERMISSIONS_ALL; 9307 it.remove(); 9308 } 9309 } 9310 } 9311 9312 // Make sure all dynamic permissions have been assigned to a package, 9313 // and make sure there are no dangling permissions. 9314 it = mSettings.mPermissions.values().iterator(); 9315 while (it.hasNext()) { 9316 final BasePermission bp = it.next(); 9317 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9318 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9319 + bp.name + " pkg=" + bp.sourcePackage 9320 + " info=" + bp.pendingInfo); 9321 if (bp.packageSetting == null && bp.pendingInfo != null) { 9322 final BasePermission tree = findPermissionTreeLP(bp.name); 9323 if (tree != null && tree.perm != null) { 9324 bp.packageSetting = tree.packageSetting; 9325 bp.perm = new PackageParser.Permission(tree.perm.owner, 9326 new PermissionInfo(bp.pendingInfo)); 9327 bp.perm.info.packageName = tree.perm.info.packageName; 9328 bp.perm.info.name = bp.name; 9329 bp.uid = tree.uid; 9330 } 9331 } 9332 } 9333 if (bp.packageSetting == null) { 9334 // We may not yet have parsed the package, so just see if 9335 // we still know about its settings. 9336 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9337 } 9338 if (bp.packageSetting == null) { 9339 Slog.w(TAG, "Removing dangling permission: " + bp.name 9340 + " from package " + bp.sourcePackage); 9341 it.remove(); 9342 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9343 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9344 Slog.i(TAG, "Removing old permission: " + bp.name 9345 + " from package " + bp.sourcePackage); 9346 flags |= UPDATE_PERMISSIONS_ALL; 9347 it.remove(); 9348 } 9349 } 9350 } 9351 9352 // Now update the permissions for all packages, in particular 9353 // replace the granted permissions of the system packages. 9354 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9355 for (PackageParser.Package pkg : mPackages.values()) { 9356 if (pkg != pkgInfo) { 9357 // Only replace for packages on requested volume 9358 final String volumeUuid = getVolumeUuidForPackage(pkg); 9359 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9360 && Objects.equals(replaceVolumeUuid, volumeUuid); 9361 grantPermissionsLPw(pkg, replace, changingPkg); 9362 } 9363 } 9364 } 9365 9366 if (pkgInfo != null) { 9367 // Only replace for packages on requested volume 9368 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9369 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9370 && Objects.equals(replaceVolumeUuid, volumeUuid); 9371 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9372 } 9373 } 9374 9375 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9376 String packageOfInterest) { 9377 // IMPORTANT: There are two types of permissions: install and runtime. 9378 // Install time permissions are granted when the app is installed to 9379 // all device users and users added in the future. Runtime permissions 9380 // are granted at runtime explicitly to specific users. Normal and signature 9381 // protected permissions are install time permissions. Dangerous permissions 9382 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9383 // otherwise they are runtime permissions. This function does not manage 9384 // runtime permissions except for the case an app targeting Lollipop MR1 9385 // being upgraded to target a newer SDK, in which case dangerous permissions 9386 // are transformed from install time to runtime ones. 9387 9388 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9389 if (ps == null) { 9390 return; 9391 } 9392 9393 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9394 9395 PermissionsState permissionsState = ps.getPermissionsState(); 9396 PermissionsState origPermissions = permissionsState; 9397 9398 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9399 9400 boolean runtimePermissionsRevoked = false; 9401 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9402 9403 boolean changedInstallPermission = false; 9404 9405 if (replace) { 9406 ps.installPermissionsFixed = false; 9407 if (!ps.isSharedUser()) { 9408 origPermissions = new PermissionsState(permissionsState); 9409 permissionsState.reset(); 9410 } else { 9411 // We need to know only about runtime permission changes since the 9412 // calling code always writes the install permissions state but 9413 // the runtime ones are written only if changed. The only cases of 9414 // changed runtime permissions here are promotion of an install to 9415 // runtime and revocation of a runtime from a shared user. 9416 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9417 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9418 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9419 runtimePermissionsRevoked = true; 9420 } 9421 } 9422 } 9423 9424 permissionsState.setGlobalGids(mGlobalGids); 9425 9426 final int N = pkg.requestedPermissions.size(); 9427 for (int i=0; i<N; i++) { 9428 final String name = pkg.requestedPermissions.get(i); 9429 final BasePermission bp = mSettings.mPermissions.get(name); 9430 9431 if (DEBUG_INSTALL) { 9432 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9433 } 9434 9435 if (bp == null || bp.packageSetting == null) { 9436 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9437 Slog.w(TAG, "Unknown permission " + name 9438 + " in package " + pkg.packageName); 9439 } 9440 continue; 9441 } 9442 9443 final String perm = bp.name; 9444 boolean allowedSig = false; 9445 int grant = GRANT_DENIED; 9446 9447 // Keep track of app op permissions. 9448 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9449 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9450 if (pkgs == null) { 9451 pkgs = new ArraySet<>(); 9452 mAppOpPermissionPackages.put(bp.name, pkgs); 9453 } 9454 pkgs.add(pkg.packageName); 9455 } 9456 9457 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9458 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9459 >= Build.VERSION_CODES.M; 9460 switch (level) { 9461 case PermissionInfo.PROTECTION_NORMAL: { 9462 // For all apps normal permissions are install time ones. 9463 grant = GRANT_INSTALL; 9464 } break; 9465 9466 case PermissionInfo.PROTECTION_DANGEROUS: { 9467 // If a permission review is required for legacy apps we represent 9468 // their permissions as always granted runtime ones since we need 9469 // to keep the review required permission flag per user while an 9470 // install permission's state is shared across all users. 9471 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9472 // For legacy apps dangerous permissions are install time ones. 9473 grant = GRANT_INSTALL; 9474 } else if (origPermissions.hasInstallPermission(bp.name)) { 9475 // For legacy apps that became modern, install becomes runtime. 9476 grant = GRANT_UPGRADE; 9477 } else if (mPromoteSystemApps 9478 && isSystemApp(ps) 9479 && mExistingSystemPackages.contains(ps.name)) { 9480 // For legacy system apps, install becomes runtime. 9481 // We cannot check hasInstallPermission() for system apps since those 9482 // permissions were granted implicitly and not persisted pre-M. 9483 grant = GRANT_UPGRADE; 9484 } else { 9485 // For modern apps keep runtime permissions unchanged. 9486 grant = GRANT_RUNTIME; 9487 } 9488 } break; 9489 9490 case PermissionInfo.PROTECTION_SIGNATURE: { 9491 // For all apps signature permissions are install time ones. 9492 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9493 if (allowedSig) { 9494 grant = GRANT_INSTALL; 9495 } 9496 } break; 9497 } 9498 9499 if (DEBUG_INSTALL) { 9500 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9501 } 9502 9503 if (grant != GRANT_DENIED) { 9504 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9505 // If this is an existing, non-system package, then 9506 // we can't add any new permissions to it. 9507 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9508 // Except... if this is a permission that was added 9509 // to the platform (note: need to only do this when 9510 // updating the platform). 9511 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9512 grant = GRANT_DENIED; 9513 } 9514 } 9515 } 9516 9517 switch (grant) { 9518 case GRANT_INSTALL: { 9519 // Revoke this as runtime permission to handle the case of 9520 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9521 for (int userId : UserManagerService.getInstance().getUserIds()) { 9522 if (origPermissions.getRuntimePermissionState( 9523 bp.name, userId) != null) { 9524 // Revoke the runtime permission and clear the flags. 9525 origPermissions.revokeRuntimePermission(bp, userId); 9526 origPermissions.updatePermissionFlags(bp, userId, 9527 PackageManager.MASK_PERMISSION_FLAGS, 0); 9528 // If we revoked a permission permission, we have to write. 9529 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9530 changedRuntimePermissionUserIds, userId); 9531 } 9532 } 9533 // Grant an install permission. 9534 if (permissionsState.grantInstallPermission(bp) != 9535 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9536 changedInstallPermission = true; 9537 } 9538 } break; 9539 9540 case GRANT_RUNTIME: { 9541 // Grant previously granted runtime permissions. 9542 for (int userId : UserManagerService.getInstance().getUserIds()) { 9543 PermissionState permissionState = origPermissions 9544 .getRuntimePermissionState(bp.name, userId); 9545 int flags = permissionState != null 9546 ? permissionState.getFlags() : 0; 9547 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9548 if (permissionsState.grantRuntimePermission(bp, userId) == 9549 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9550 // If we cannot put the permission as it was, we have to write. 9551 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9552 changedRuntimePermissionUserIds, userId); 9553 } 9554 // If the app supports runtime permissions no need for a review. 9555 if (Build.PERMISSIONS_REVIEW_REQUIRED 9556 && appSupportsRuntimePermissions 9557 && (flags & PackageManager 9558 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9559 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9560 // Since we changed the flags, we have to write. 9561 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9562 changedRuntimePermissionUserIds, userId); 9563 } 9564 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9565 && !appSupportsRuntimePermissions) { 9566 // For legacy apps that need a permission review, every new 9567 // runtime permission is granted but it is pending a review. 9568 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9569 permissionsState.grantRuntimePermission(bp, userId); 9570 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9571 // We changed the permission and flags, hence have to write. 9572 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9573 changedRuntimePermissionUserIds, userId); 9574 } 9575 } 9576 // Propagate the permission flags. 9577 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9578 } 9579 } break; 9580 9581 case GRANT_UPGRADE: { 9582 // Grant runtime permissions for a previously held install permission. 9583 PermissionState permissionState = origPermissions 9584 .getInstallPermissionState(bp.name); 9585 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9586 9587 if (origPermissions.revokeInstallPermission(bp) 9588 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9589 // We will be transferring the permission flags, so clear them. 9590 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9591 PackageManager.MASK_PERMISSION_FLAGS, 0); 9592 changedInstallPermission = true; 9593 } 9594 9595 // If the permission is not to be promoted to runtime we ignore it and 9596 // also its other flags as they are not applicable to install permissions. 9597 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9598 for (int userId : currentUserIds) { 9599 if (permissionsState.grantRuntimePermission(bp, userId) != 9600 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9601 // Transfer the permission flags. 9602 permissionsState.updatePermissionFlags(bp, userId, 9603 flags, flags); 9604 // If we granted the permission, we have to write. 9605 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9606 changedRuntimePermissionUserIds, userId); 9607 } 9608 } 9609 } 9610 } break; 9611 9612 default: { 9613 if (packageOfInterest == null 9614 || packageOfInterest.equals(pkg.packageName)) { 9615 Slog.w(TAG, "Not granting permission " + perm 9616 + " to package " + pkg.packageName 9617 + " because it was previously installed without"); 9618 } 9619 } break; 9620 } 9621 } else { 9622 if (permissionsState.revokeInstallPermission(bp) != 9623 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9624 // Also drop the permission flags. 9625 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9626 PackageManager.MASK_PERMISSION_FLAGS, 0); 9627 changedInstallPermission = true; 9628 Slog.i(TAG, "Un-granting permission " + perm 9629 + " from package " + pkg.packageName 9630 + " (protectionLevel=" + bp.protectionLevel 9631 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9632 + ")"); 9633 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9634 // Don't print warning for app op permissions, since it is fine for them 9635 // not to be granted, there is a UI for the user to decide. 9636 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9637 Slog.w(TAG, "Not granting permission " + perm 9638 + " to package " + pkg.packageName 9639 + " (protectionLevel=" + bp.protectionLevel 9640 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9641 + ")"); 9642 } 9643 } 9644 } 9645 } 9646 9647 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9648 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9649 // This is the first that we have heard about this package, so the 9650 // permissions we have now selected are fixed until explicitly 9651 // changed. 9652 ps.installPermissionsFixed = true; 9653 } 9654 9655 // Persist the runtime permissions state for users with changes. If permissions 9656 // were revoked because no app in the shared user declares them we have to 9657 // write synchronously to avoid losing runtime permissions state. 9658 for (int userId : changedRuntimePermissionUserIds) { 9659 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9660 } 9661 9662 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9663 } 9664 9665 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9666 boolean allowed = false; 9667 final int NP = PackageParser.NEW_PERMISSIONS.length; 9668 for (int ip=0; ip<NP; ip++) { 9669 final PackageParser.NewPermissionInfo npi 9670 = PackageParser.NEW_PERMISSIONS[ip]; 9671 if (npi.name.equals(perm) 9672 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9673 allowed = true; 9674 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9675 + pkg.packageName); 9676 break; 9677 } 9678 } 9679 return allowed; 9680 } 9681 9682 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9683 BasePermission bp, PermissionsState origPermissions) { 9684 boolean allowed; 9685 allowed = (compareSignatures( 9686 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9687 == PackageManager.SIGNATURE_MATCH) 9688 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9689 == PackageManager.SIGNATURE_MATCH); 9690 if (!allowed && (bp.protectionLevel 9691 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9692 if (isSystemApp(pkg)) { 9693 // For updated system applications, a system permission 9694 // is granted only if it had been defined by the original application. 9695 if (pkg.isUpdatedSystemApp()) { 9696 final PackageSetting sysPs = mSettings 9697 .getDisabledSystemPkgLPr(pkg.packageName); 9698 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9699 // If the original was granted this permission, we take 9700 // that grant decision as read and propagate it to the 9701 // update. 9702 if (sysPs.isPrivileged()) { 9703 allowed = true; 9704 } 9705 } else { 9706 // The system apk may have been updated with an older 9707 // version of the one on the data partition, but which 9708 // granted a new system permission that it didn't have 9709 // before. In this case we do want to allow the app to 9710 // now get the new permission if the ancestral apk is 9711 // privileged to get it. 9712 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9713 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9714 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9715 allowed = true; 9716 break; 9717 } 9718 } 9719 } 9720 // Also if a privileged parent package on the system image or any of 9721 // its children requested a privileged permission, the updated child 9722 // packages can also get the permission. 9723 if (pkg.parentPackage != null) { 9724 final PackageSetting disabledSysParentPs = mSettings 9725 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9726 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9727 && disabledSysParentPs.isPrivileged()) { 9728 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9729 allowed = true; 9730 } else if (disabledSysParentPs.pkg.childPackages != null) { 9731 final int count = disabledSysParentPs.pkg.childPackages.size(); 9732 for (int i = 0; i < count; i++) { 9733 PackageParser.Package disabledSysChildPkg = 9734 disabledSysParentPs.pkg.childPackages.get(i); 9735 if (isPackageRequestingPermission(disabledSysChildPkg, 9736 perm)) { 9737 allowed = true; 9738 break; 9739 } 9740 } 9741 } 9742 } 9743 } 9744 } 9745 } else { 9746 allowed = isPrivilegedApp(pkg); 9747 } 9748 } 9749 } 9750 if (!allowed) { 9751 if (!allowed && (bp.protectionLevel 9752 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9753 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9754 // If this was a previously normal/dangerous permission that got moved 9755 // to a system permission as part of the runtime permission redesign, then 9756 // we still want to blindly grant it to old apps. 9757 allowed = true; 9758 } 9759 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9760 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9761 // If this permission is to be granted to the system installer and 9762 // this app is an installer, then it gets the permission. 9763 allowed = true; 9764 } 9765 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9766 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9767 // If this permission is to be granted to the system verifier and 9768 // this app is a verifier, then it gets the permission. 9769 allowed = true; 9770 } 9771 if (!allowed && (bp.protectionLevel 9772 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9773 && isSystemApp(pkg)) { 9774 // Any pre-installed system app is allowed to get this permission. 9775 allowed = true; 9776 } 9777 if (!allowed && (bp.protectionLevel 9778 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9779 // For development permissions, a development permission 9780 // is granted only if it was already granted. 9781 allowed = origPermissions.hasInstallPermission(perm); 9782 } 9783 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 9784 && pkg.packageName.equals(mSetupWizardPackage)) { 9785 // If this permission is to be granted to the system setup wizard and 9786 // this app is a setup wizard, then it gets the permission. 9787 allowed = true; 9788 } 9789 } 9790 return allowed; 9791 } 9792 9793 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9794 final int permCount = pkg.requestedPermissions.size(); 9795 for (int j = 0; j < permCount; j++) { 9796 String requestedPermission = pkg.requestedPermissions.get(j); 9797 if (permission.equals(requestedPermission)) { 9798 return true; 9799 } 9800 } 9801 return false; 9802 } 9803 9804 final class ActivityIntentResolver 9805 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9806 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9807 boolean defaultOnly, int userId) { 9808 if (!sUserManager.exists(userId)) return null; 9809 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9810 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9811 } 9812 9813 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9814 int userId) { 9815 if (!sUserManager.exists(userId)) return null; 9816 mFlags = flags; 9817 return super.queryIntent(intent, resolvedType, 9818 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9819 } 9820 9821 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9822 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9823 if (!sUserManager.exists(userId)) return null; 9824 if (packageActivities == null) { 9825 return null; 9826 } 9827 mFlags = flags; 9828 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9829 final int N = packageActivities.size(); 9830 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9831 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9832 9833 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9834 for (int i = 0; i < N; ++i) { 9835 intentFilters = packageActivities.get(i).intents; 9836 if (intentFilters != null && intentFilters.size() > 0) { 9837 PackageParser.ActivityIntentInfo[] array = 9838 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9839 intentFilters.toArray(array); 9840 listCut.add(array); 9841 } 9842 } 9843 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9844 } 9845 9846 /** 9847 * Finds a privileged activity that matches the specified activity names. 9848 */ 9849 private PackageParser.Activity findMatchingActivity( 9850 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 9851 for (PackageParser.Activity sysActivity : activityList) { 9852 if (sysActivity.info.name.equals(activityInfo.name)) { 9853 return sysActivity; 9854 } 9855 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 9856 return sysActivity; 9857 } 9858 if (sysActivity.info.targetActivity != null) { 9859 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 9860 return sysActivity; 9861 } 9862 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 9863 return sysActivity; 9864 } 9865 } 9866 } 9867 return null; 9868 } 9869 9870 public class IterGenerator<E> { 9871 public Iterator<E> generate(ActivityIntentInfo info) { 9872 return null; 9873 } 9874 } 9875 9876 public class ActionIterGenerator extends IterGenerator<String> { 9877 @Override 9878 public Iterator<String> generate(ActivityIntentInfo info) { 9879 return info.actionsIterator(); 9880 } 9881 } 9882 9883 public class CategoriesIterGenerator extends IterGenerator<String> { 9884 @Override 9885 public Iterator<String> generate(ActivityIntentInfo info) { 9886 return info.categoriesIterator(); 9887 } 9888 } 9889 9890 public class SchemesIterGenerator extends IterGenerator<String> { 9891 @Override 9892 public Iterator<String> generate(ActivityIntentInfo info) { 9893 return info.schemesIterator(); 9894 } 9895 } 9896 9897 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 9898 @Override 9899 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 9900 return info.authoritiesIterator(); 9901 } 9902 } 9903 9904 /** 9905 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 9906 * MODIFIED. Do not pass in a list that should not be changed. 9907 */ 9908 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 9909 IterGenerator<T> generator, Iterator<T> searchIterator) { 9910 // loop through the set of actions; every one must be found in the intent filter 9911 while (searchIterator.hasNext()) { 9912 // we must have at least one filter in the list to consider a match 9913 if (intentList.size() == 0) { 9914 break; 9915 } 9916 9917 final T searchAction = searchIterator.next(); 9918 9919 // loop through the set of intent filters 9920 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 9921 while (intentIter.hasNext()) { 9922 final ActivityIntentInfo intentInfo = intentIter.next(); 9923 boolean selectionFound = false; 9924 9925 // loop through the intent filter's selection criteria; at least one 9926 // of them must match the searched criteria 9927 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 9928 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 9929 final T intentSelection = intentSelectionIter.next(); 9930 if (intentSelection != null && intentSelection.equals(searchAction)) { 9931 selectionFound = true; 9932 break; 9933 } 9934 } 9935 9936 // the selection criteria wasn't found in this filter's set; this filter 9937 // is not a potential match 9938 if (!selectionFound) { 9939 intentIter.remove(); 9940 } 9941 } 9942 } 9943 } 9944 9945 private boolean isProtectedAction(ActivityIntentInfo filter) { 9946 final Iterator<String> actionsIter = filter.actionsIterator(); 9947 while (actionsIter != null && actionsIter.hasNext()) { 9948 final String filterAction = actionsIter.next(); 9949 if (PROTECTED_ACTIONS.contains(filterAction)) { 9950 return true; 9951 } 9952 } 9953 return false; 9954 } 9955 9956 /** 9957 * Adjusts the priority of the given intent filter according to policy. 9958 * <p> 9959 * <ul> 9960 * <li>The priority for non privileged applications is capped to '0'</li> 9961 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 9962 * <li>The priority for unbundled updates to privileged applications is capped to the 9963 * priority defined on the system partition</li> 9964 * </ul> 9965 * <p> 9966 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 9967 * allowed to obtain any priority on any action. 9968 */ 9969 private void adjustPriority( 9970 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 9971 // nothing to do; priority is fine as-is 9972 if (intent.getPriority() <= 0) { 9973 return; 9974 } 9975 9976 final ActivityInfo activityInfo = intent.activity.info; 9977 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 9978 9979 final boolean privilegedApp = 9980 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 9981 if (!privilegedApp) { 9982 // non-privileged applications can never define a priority >0 9983 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 9984 + " package: " + applicationInfo.packageName 9985 + " activity: " + intent.activity.className 9986 + " origPrio: " + intent.getPriority()); 9987 intent.setPriority(0); 9988 return; 9989 } 9990 9991 if (systemActivities == null) { 9992 // the system package is not disabled; we're parsing the system partition 9993 if (isProtectedAction(intent)) { 9994 if (mDeferProtectedFilters) { 9995 // We can't deal with these just yet. No component should ever obtain a 9996 // >0 priority for a protected actions, with ONE exception -- the setup 9997 // wizard. The setup wizard, however, cannot be known until we're able to 9998 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 9999 // until all intent filters have been processed. Chicken, meet egg. 10000 // Let the filter temporarily have a high priority and rectify the 10001 // priorities after all system packages have been scanned. 10002 mProtectedFilters.add(intent); 10003 if (DEBUG_FILTERS) { 10004 Slog.i(TAG, "Protected action; save for later;" 10005 + " package: " + applicationInfo.packageName 10006 + " activity: " + intent.activity.className 10007 + " origPrio: " + intent.getPriority()); 10008 } 10009 return; 10010 } else { 10011 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10012 Slog.i(TAG, "No setup wizard;" 10013 + " All protected intents capped to priority 0"); 10014 } 10015 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10016 if (DEBUG_FILTERS) { 10017 Slog.i(TAG, "Found setup wizard;" 10018 + " allow priority " + intent.getPriority() + ";" 10019 + " package: " + intent.activity.info.packageName 10020 + " activity: " + intent.activity.className 10021 + " priority: " + intent.getPriority()); 10022 } 10023 // setup wizard gets whatever it wants 10024 return; 10025 } 10026 Slog.w(TAG, "Protected action; cap priority to 0;" 10027 + " package: " + intent.activity.info.packageName 10028 + " activity: " + intent.activity.className 10029 + " origPrio: " + intent.getPriority()); 10030 intent.setPriority(0); 10031 return; 10032 } 10033 } 10034 // privileged apps on the system image get whatever priority they request 10035 return; 10036 } 10037 10038 // privileged app unbundled update ... try to find the same activity 10039 final PackageParser.Activity foundActivity = 10040 findMatchingActivity(systemActivities, activityInfo); 10041 if (foundActivity == null) { 10042 // this is a new activity; it cannot obtain >0 priority 10043 if (DEBUG_FILTERS) { 10044 Slog.i(TAG, "New activity; cap priority to 0;" 10045 + " package: " + applicationInfo.packageName 10046 + " activity: " + intent.activity.className 10047 + " origPrio: " + intent.getPriority()); 10048 } 10049 intent.setPriority(0); 10050 return; 10051 } 10052 10053 // found activity, now check for filter equivalence 10054 10055 // a shallow copy is enough; we modify the list, not its contents 10056 final List<ActivityIntentInfo> intentListCopy = 10057 new ArrayList<>(foundActivity.intents); 10058 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10059 10060 // find matching action subsets 10061 final Iterator<String> actionsIterator = intent.actionsIterator(); 10062 if (actionsIterator != null) { 10063 getIntentListSubset( 10064 intentListCopy, new ActionIterGenerator(), actionsIterator); 10065 if (intentListCopy.size() == 0) { 10066 // no more intents to match; we're not equivalent 10067 if (DEBUG_FILTERS) { 10068 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10069 + " package: " + applicationInfo.packageName 10070 + " activity: " + intent.activity.className 10071 + " origPrio: " + intent.getPriority()); 10072 } 10073 intent.setPriority(0); 10074 return; 10075 } 10076 } 10077 10078 // find matching category subsets 10079 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10080 if (categoriesIterator != null) { 10081 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10082 categoriesIterator); 10083 if (intentListCopy.size() == 0) { 10084 // no more intents to match; we're not equivalent 10085 if (DEBUG_FILTERS) { 10086 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10087 + " package: " + applicationInfo.packageName 10088 + " activity: " + intent.activity.className 10089 + " origPrio: " + intent.getPriority()); 10090 } 10091 intent.setPriority(0); 10092 return; 10093 } 10094 } 10095 10096 // find matching schemes subsets 10097 final Iterator<String> schemesIterator = intent.schemesIterator(); 10098 if (schemesIterator != null) { 10099 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10100 schemesIterator); 10101 if (intentListCopy.size() == 0) { 10102 // no more intents to match; we're not equivalent 10103 if (DEBUG_FILTERS) { 10104 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10105 + " package: " + applicationInfo.packageName 10106 + " activity: " + intent.activity.className 10107 + " origPrio: " + intent.getPriority()); 10108 } 10109 intent.setPriority(0); 10110 return; 10111 } 10112 } 10113 10114 // find matching authorities subsets 10115 final Iterator<IntentFilter.AuthorityEntry> 10116 authoritiesIterator = intent.authoritiesIterator(); 10117 if (authoritiesIterator != null) { 10118 getIntentListSubset(intentListCopy, 10119 new AuthoritiesIterGenerator(), 10120 authoritiesIterator); 10121 if (intentListCopy.size() == 0) { 10122 // no more intents to match; we're not equivalent 10123 if (DEBUG_FILTERS) { 10124 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10125 + " package: " + applicationInfo.packageName 10126 + " activity: " + intent.activity.className 10127 + " origPrio: " + intent.getPriority()); 10128 } 10129 intent.setPriority(0); 10130 return; 10131 } 10132 } 10133 10134 // we found matching filter(s); app gets the max priority of all intents 10135 int cappedPriority = 0; 10136 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10137 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10138 } 10139 if (intent.getPriority() > cappedPriority) { 10140 if (DEBUG_FILTERS) { 10141 Slog.i(TAG, "Found matching filter(s);" 10142 + " cap priority to " + cappedPriority + ";" 10143 + " package: " + applicationInfo.packageName 10144 + " activity: " + intent.activity.className 10145 + " origPrio: " + intent.getPriority()); 10146 } 10147 intent.setPriority(cappedPriority); 10148 return; 10149 } 10150 // all this for nothing; the requested priority was <= what was on the system 10151 } 10152 10153 public final void addActivity(PackageParser.Activity a, String type) { 10154 mActivities.put(a.getComponentName(), a); 10155 if (DEBUG_SHOW_INFO) 10156 Log.v( 10157 TAG, " " + type + " " + 10158 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10159 if (DEBUG_SHOW_INFO) 10160 Log.v(TAG, " Class=" + a.info.name); 10161 final int NI = a.intents.size(); 10162 for (int j=0; j<NI; j++) { 10163 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10164 if ("activity".equals(type)) { 10165 final PackageSetting ps = 10166 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10167 final List<PackageParser.Activity> systemActivities = 10168 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10169 adjustPriority(systemActivities, intent); 10170 } 10171 if (DEBUG_SHOW_INFO) { 10172 Log.v(TAG, " IntentFilter:"); 10173 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10174 } 10175 if (!intent.debugCheck()) { 10176 Log.w(TAG, "==> For Activity " + a.info.name); 10177 } 10178 addFilter(intent); 10179 } 10180 } 10181 10182 public final void removeActivity(PackageParser.Activity a, String type) { 10183 mActivities.remove(a.getComponentName()); 10184 if (DEBUG_SHOW_INFO) { 10185 Log.v(TAG, " " + type + " " 10186 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10187 : a.info.name) + ":"); 10188 Log.v(TAG, " Class=" + a.info.name); 10189 } 10190 final int NI = a.intents.size(); 10191 for (int j=0; j<NI; j++) { 10192 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10193 if (DEBUG_SHOW_INFO) { 10194 Log.v(TAG, " IntentFilter:"); 10195 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10196 } 10197 removeFilter(intent); 10198 } 10199 } 10200 10201 @Override 10202 protected boolean allowFilterResult( 10203 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10204 ActivityInfo filterAi = filter.activity.info; 10205 for (int i=dest.size()-1; i>=0; i--) { 10206 ActivityInfo destAi = dest.get(i).activityInfo; 10207 if (destAi.name == filterAi.name 10208 && destAi.packageName == filterAi.packageName) { 10209 return false; 10210 } 10211 } 10212 return true; 10213 } 10214 10215 @Override 10216 protected ActivityIntentInfo[] newArray(int size) { 10217 return new ActivityIntentInfo[size]; 10218 } 10219 10220 @Override 10221 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10222 if (!sUserManager.exists(userId)) return true; 10223 PackageParser.Package p = filter.activity.owner; 10224 if (p != null) { 10225 PackageSetting ps = (PackageSetting)p.mExtras; 10226 if (ps != null) { 10227 // System apps are never considered stopped for purposes of 10228 // filtering, because there may be no way for the user to 10229 // actually re-launch them. 10230 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10231 && ps.getStopped(userId); 10232 } 10233 } 10234 return false; 10235 } 10236 10237 @Override 10238 protected boolean isPackageForFilter(String packageName, 10239 PackageParser.ActivityIntentInfo info) { 10240 return packageName.equals(info.activity.owner.packageName); 10241 } 10242 10243 @Override 10244 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10245 int match, int userId) { 10246 if (!sUserManager.exists(userId)) return null; 10247 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10248 return null; 10249 } 10250 final PackageParser.Activity activity = info.activity; 10251 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10252 if (ps == null) { 10253 return null; 10254 } 10255 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10256 ps.readUserState(userId), userId); 10257 if (ai == null) { 10258 return null; 10259 } 10260 final ResolveInfo res = new ResolveInfo(); 10261 res.activityInfo = ai; 10262 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10263 res.filter = info; 10264 } 10265 if (info != null) { 10266 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10267 } 10268 res.priority = info.getPriority(); 10269 res.preferredOrder = activity.owner.mPreferredOrder; 10270 //System.out.println("Result: " + res.activityInfo.className + 10271 // " = " + res.priority); 10272 res.match = match; 10273 res.isDefault = info.hasDefault; 10274 res.labelRes = info.labelRes; 10275 res.nonLocalizedLabel = info.nonLocalizedLabel; 10276 if (userNeedsBadging(userId)) { 10277 res.noResourceId = true; 10278 } else { 10279 res.icon = info.icon; 10280 } 10281 res.iconResourceId = info.icon; 10282 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10283 return res; 10284 } 10285 10286 @Override 10287 protected void sortResults(List<ResolveInfo> results) { 10288 Collections.sort(results, mResolvePrioritySorter); 10289 } 10290 10291 @Override 10292 protected void dumpFilter(PrintWriter out, String prefix, 10293 PackageParser.ActivityIntentInfo filter) { 10294 out.print(prefix); out.print( 10295 Integer.toHexString(System.identityHashCode(filter.activity))); 10296 out.print(' '); 10297 filter.activity.printComponentShortName(out); 10298 out.print(" filter "); 10299 out.println(Integer.toHexString(System.identityHashCode(filter))); 10300 } 10301 10302 @Override 10303 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10304 return filter.activity; 10305 } 10306 10307 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10308 PackageParser.Activity activity = (PackageParser.Activity)label; 10309 out.print(prefix); out.print( 10310 Integer.toHexString(System.identityHashCode(activity))); 10311 out.print(' '); 10312 activity.printComponentShortName(out); 10313 if (count > 1) { 10314 out.print(" ("); out.print(count); out.print(" filters)"); 10315 } 10316 out.println(); 10317 } 10318 10319 // Keys are String (activity class name), values are Activity. 10320 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10321 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10322 private int mFlags; 10323 } 10324 10325 private final class ServiceIntentResolver 10326 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10327 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10328 boolean defaultOnly, int userId) { 10329 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10330 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10331 } 10332 10333 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10334 int userId) { 10335 if (!sUserManager.exists(userId)) return null; 10336 mFlags = flags; 10337 return super.queryIntent(intent, resolvedType, 10338 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10339 } 10340 10341 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10342 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10343 if (!sUserManager.exists(userId)) return null; 10344 if (packageServices == null) { 10345 return null; 10346 } 10347 mFlags = flags; 10348 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10349 final int N = packageServices.size(); 10350 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10351 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10352 10353 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10354 for (int i = 0; i < N; ++i) { 10355 intentFilters = packageServices.get(i).intents; 10356 if (intentFilters != null && intentFilters.size() > 0) { 10357 PackageParser.ServiceIntentInfo[] array = 10358 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10359 intentFilters.toArray(array); 10360 listCut.add(array); 10361 } 10362 } 10363 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10364 } 10365 10366 public final void addService(PackageParser.Service s) { 10367 mServices.put(s.getComponentName(), s); 10368 if (DEBUG_SHOW_INFO) { 10369 Log.v(TAG, " " 10370 + (s.info.nonLocalizedLabel != null 10371 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10372 Log.v(TAG, " Class=" + s.info.name); 10373 } 10374 final int NI = s.intents.size(); 10375 int j; 10376 for (j=0; j<NI; j++) { 10377 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10378 if (DEBUG_SHOW_INFO) { 10379 Log.v(TAG, " IntentFilter:"); 10380 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10381 } 10382 if (!intent.debugCheck()) { 10383 Log.w(TAG, "==> For Service " + s.info.name); 10384 } 10385 addFilter(intent); 10386 } 10387 } 10388 10389 public final void removeService(PackageParser.Service s) { 10390 mServices.remove(s.getComponentName()); 10391 if (DEBUG_SHOW_INFO) { 10392 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10393 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10394 Log.v(TAG, " Class=" + s.info.name); 10395 } 10396 final int NI = s.intents.size(); 10397 int j; 10398 for (j=0; j<NI; j++) { 10399 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10400 if (DEBUG_SHOW_INFO) { 10401 Log.v(TAG, " IntentFilter:"); 10402 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10403 } 10404 removeFilter(intent); 10405 } 10406 } 10407 10408 @Override 10409 protected boolean allowFilterResult( 10410 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10411 ServiceInfo filterSi = filter.service.info; 10412 for (int i=dest.size()-1; i>=0; i--) { 10413 ServiceInfo destAi = dest.get(i).serviceInfo; 10414 if (destAi.name == filterSi.name 10415 && destAi.packageName == filterSi.packageName) { 10416 return false; 10417 } 10418 } 10419 return true; 10420 } 10421 10422 @Override 10423 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10424 return new PackageParser.ServiceIntentInfo[size]; 10425 } 10426 10427 @Override 10428 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10429 if (!sUserManager.exists(userId)) return true; 10430 PackageParser.Package p = filter.service.owner; 10431 if (p != null) { 10432 PackageSetting ps = (PackageSetting)p.mExtras; 10433 if (ps != null) { 10434 // System apps are never considered stopped for purposes of 10435 // filtering, because there may be no way for the user to 10436 // actually re-launch them. 10437 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10438 && ps.getStopped(userId); 10439 } 10440 } 10441 return false; 10442 } 10443 10444 @Override 10445 protected boolean isPackageForFilter(String packageName, 10446 PackageParser.ServiceIntentInfo info) { 10447 return packageName.equals(info.service.owner.packageName); 10448 } 10449 10450 @Override 10451 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10452 int match, int userId) { 10453 if (!sUserManager.exists(userId)) return null; 10454 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10455 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10456 return null; 10457 } 10458 final PackageParser.Service service = info.service; 10459 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10460 if (ps == null) { 10461 return null; 10462 } 10463 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10464 ps.readUserState(userId), userId); 10465 if (si == null) { 10466 return null; 10467 } 10468 final ResolveInfo res = new ResolveInfo(); 10469 res.serviceInfo = si; 10470 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10471 res.filter = filter; 10472 } 10473 res.priority = info.getPriority(); 10474 res.preferredOrder = service.owner.mPreferredOrder; 10475 res.match = match; 10476 res.isDefault = info.hasDefault; 10477 res.labelRes = info.labelRes; 10478 res.nonLocalizedLabel = info.nonLocalizedLabel; 10479 res.icon = info.icon; 10480 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10481 return res; 10482 } 10483 10484 @Override 10485 protected void sortResults(List<ResolveInfo> results) { 10486 Collections.sort(results, mResolvePrioritySorter); 10487 } 10488 10489 @Override 10490 protected void dumpFilter(PrintWriter out, String prefix, 10491 PackageParser.ServiceIntentInfo filter) { 10492 out.print(prefix); out.print( 10493 Integer.toHexString(System.identityHashCode(filter.service))); 10494 out.print(' '); 10495 filter.service.printComponentShortName(out); 10496 out.print(" filter "); 10497 out.println(Integer.toHexString(System.identityHashCode(filter))); 10498 } 10499 10500 @Override 10501 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10502 return filter.service; 10503 } 10504 10505 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10506 PackageParser.Service service = (PackageParser.Service)label; 10507 out.print(prefix); out.print( 10508 Integer.toHexString(System.identityHashCode(service))); 10509 out.print(' '); 10510 service.printComponentShortName(out); 10511 if (count > 1) { 10512 out.print(" ("); out.print(count); out.print(" filters)"); 10513 } 10514 out.println(); 10515 } 10516 10517// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10518// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10519// final List<ResolveInfo> retList = Lists.newArrayList(); 10520// while (i.hasNext()) { 10521// final ResolveInfo resolveInfo = (ResolveInfo) i; 10522// if (isEnabledLP(resolveInfo.serviceInfo)) { 10523// retList.add(resolveInfo); 10524// } 10525// } 10526// return retList; 10527// } 10528 10529 // Keys are String (activity class name), values are Activity. 10530 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10531 = new ArrayMap<ComponentName, PackageParser.Service>(); 10532 private int mFlags; 10533 }; 10534 10535 private final class ProviderIntentResolver 10536 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10537 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10538 boolean defaultOnly, int userId) { 10539 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10540 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10541 } 10542 10543 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10544 int userId) { 10545 if (!sUserManager.exists(userId)) 10546 return null; 10547 mFlags = flags; 10548 return super.queryIntent(intent, resolvedType, 10549 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10550 } 10551 10552 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10553 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10554 if (!sUserManager.exists(userId)) 10555 return null; 10556 if (packageProviders == null) { 10557 return null; 10558 } 10559 mFlags = flags; 10560 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10561 final int N = packageProviders.size(); 10562 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10563 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10564 10565 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10566 for (int i = 0; i < N; ++i) { 10567 intentFilters = packageProviders.get(i).intents; 10568 if (intentFilters != null && intentFilters.size() > 0) { 10569 PackageParser.ProviderIntentInfo[] array = 10570 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10571 intentFilters.toArray(array); 10572 listCut.add(array); 10573 } 10574 } 10575 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10576 } 10577 10578 public final void addProvider(PackageParser.Provider p) { 10579 if (mProviders.containsKey(p.getComponentName())) { 10580 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10581 return; 10582 } 10583 10584 mProviders.put(p.getComponentName(), p); 10585 if (DEBUG_SHOW_INFO) { 10586 Log.v(TAG, " " 10587 + (p.info.nonLocalizedLabel != null 10588 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10589 Log.v(TAG, " Class=" + p.info.name); 10590 } 10591 final int NI = p.intents.size(); 10592 int j; 10593 for (j = 0; j < NI; j++) { 10594 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10595 if (DEBUG_SHOW_INFO) { 10596 Log.v(TAG, " IntentFilter:"); 10597 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10598 } 10599 if (!intent.debugCheck()) { 10600 Log.w(TAG, "==> For Provider " + p.info.name); 10601 } 10602 addFilter(intent); 10603 } 10604 } 10605 10606 public final void removeProvider(PackageParser.Provider p) { 10607 mProviders.remove(p.getComponentName()); 10608 if (DEBUG_SHOW_INFO) { 10609 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10610 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10611 Log.v(TAG, " Class=" + p.info.name); 10612 } 10613 final int NI = p.intents.size(); 10614 int j; 10615 for (j = 0; j < NI; j++) { 10616 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10617 if (DEBUG_SHOW_INFO) { 10618 Log.v(TAG, " IntentFilter:"); 10619 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10620 } 10621 removeFilter(intent); 10622 } 10623 } 10624 10625 @Override 10626 protected boolean allowFilterResult( 10627 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10628 ProviderInfo filterPi = filter.provider.info; 10629 for (int i = dest.size() - 1; i >= 0; i--) { 10630 ProviderInfo destPi = dest.get(i).providerInfo; 10631 if (destPi.name == filterPi.name 10632 && destPi.packageName == filterPi.packageName) { 10633 return false; 10634 } 10635 } 10636 return true; 10637 } 10638 10639 @Override 10640 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10641 return new PackageParser.ProviderIntentInfo[size]; 10642 } 10643 10644 @Override 10645 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10646 if (!sUserManager.exists(userId)) 10647 return true; 10648 PackageParser.Package p = filter.provider.owner; 10649 if (p != null) { 10650 PackageSetting ps = (PackageSetting) p.mExtras; 10651 if (ps != null) { 10652 // System apps are never considered stopped for purposes of 10653 // filtering, because there may be no way for the user to 10654 // actually re-launch them. 10655 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10656 && ps.getStopped(userId); 10657 } 10658 } 10659 return false; 10660 } 10661 10662 @Override 10663 protected boolean isPackageForFilter(String packageName, 10664 PackageParser.ProviderIntentInfo info) { 10665 return packageName.equals(info.provider.owner.packageName); 10666 } 10667 10668 @Override 10669 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10670 int match, int userId) { 10671 if (!sUserManager.exists(userId)) 10672 return null; 10673 final PackageParser.ProviderIntentInfo info = filter; 10674 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10675 return null; 10676 } 10677 final PackageParser.Provider provider = info.provider; 10678 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10679 if (ps == null) { 10680 return null; 10681 } 10682 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10683 ps.readUserState(userId), userId); 10684 if (pi == null) { 10685 return null; 10686 } 10687 final ResolveInfo res = new ResolveInfo(); 10688 res.providerInfo = pi; 10689 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10690 res.filter = filter; 10691 } 10692 res.priority = info.getPriority(); 10693 res.preferredOrder = provider.owner.mPreferredOrder; 10694 res.match = match; 10695 res.isDefault = info.hasDefault; 10696 res.labelRes = info.labelRes; 10697 res.nonLocalizedLabel = info.nonLocalizedLabel; 10698 res.icon = info.icon; 10699 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10700 return res; 10701 } 10702 10703 @Override 10704 protected void sortResults(List<ResolveInfo> results) { 10705 Collections.sort(results, mResolvePrioritySorter); 10706 } 10707 10708 @Override 10709 protected void dumpFilter(PrintWriter out, String prefix, 10710 PackageParser.ProviderIntentInfo filter) { 10711 out.print(prefix); 10712 out.print( 10713 Integer.toHexString(System.identityHashCode(filter.provider))); 10714 out.print(' '); 10715 filter.provider.printComponentShortName(out); 10716 out.print(" filter "); 10717 out.println(Integer.toHexString(System.identityHashCode(filter))); 10718 } 10719 10720 @Override 10721 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10722 return filter.provider; 10723 } 10724 10725 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10726 PackageParser.Provider provider = (PackageParser.Provider)label; 10727 out.print(prefix); out.print( 10728 Integer.toHexString(System.identityHashCode(provider))); 10729 out.print(' '); 10730 provider.printComponentShortName(out); 10731 if (count > 1) { 10732 out.print(" ("); out.print(count); out.print(" filters)"); 10733 } 10734 out.println(); 10735 } 10736 10737 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10738 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10739 private int mFlags; 10740 } 10741 10742 private static final class EphemeralIntentResolver 10743 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10744 @Override 10745 protected EphemeralResolveIntentInfo[] newArray(int size) { 10746 return new EphemeralResolveIntentInfo[size]; 10747 } 10748 10749 @Override 10750 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10751 return true; 10752 } 10753 10754 @Override 10755 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10756 int userId) { 10757 if (!sUserManager.exists(userId)) { 10758 return null; 10759 } 10760 return info.getEphemeralResolveInfo(); 10761 } 10762 } 10763 10764 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10765 new Comparator<ResolveInfo>() { 10766 public int compare(ResolveInfo r1, ResolveInfo r2) { 10767 int v1 = r1.priority; 10768 int v2 = r2.priority; 10769 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10770 if (v1 != v2) { 10771 return (v1 > v2) ? -1 : 1; 10772 } 10773 v1 = r1.preferredOrder; 10774 v2 = r2.preferredOrder; 10775 if (v1 != v2) { 10776 return (v1 > v2) ? -1 : 1; 10777 } 10778 if (r1.isDefault != r2.isDefault) { 10779 return r1.isDefault ? -1 : 1; 10780 } 10781 v1 = r1.match; 10782 v2 = r2.match; 10783 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10784 if (v1 != v2) { 10785 return (v1 > v2) ? -1 : 1; 10786 } 10787 if (r1.system != r2.system) { 10788 return r1.system ? -1 : 1; 10789 } 10790 if (r1.activityInfo != null) { 10791 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10792 } 10793 if (r1.serviceInfo != null) { 10794 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10795 } 10796 if (r1.providerInfo != null) { 10797 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10798 } 10799 return 0; 10800 } 10801 }; 10802 10803 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10804 new Comparator<ProviderInfo>() { 10805 public int compare(ProviderInfo p1, ProviderInfo p2) { 10806 final int v1 = p1.initOrder; 10807 final int v2 = p2.initOrder; 10808 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10809 } 10810 }; 10811 10812 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10813 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10814 final int[] userIds) { 10815 mHandler.post(new Runnable() { 10816 @Override 10817 public void run() { 10818 try { 10819 final IActivityManager am = ActivityManagerNative.getDefault(); 10820 if (am == null) return; 10821 final int[] resolvedUserIds; 10822 if (userIds == null) { 10823 resolvedUserIds = am.getRunningUserIds(); 10824 } else { 10825 resolvedUserIds = userIds; 10826 } 10827 for (int id : resolvedUserIds) { 10828 final Intent intent = new Intent(action, 10829 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10830 if (extras != null) { 10831 intent.putExtras(extras); 10832 } 10833 if (targetPkg != null) { 10834 intent.setPackage(targetPkg); 10835 } 10836 // Modify the UID when posting to other users 10837 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10838 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10839 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10840 intent.putExtra(Intent.EXTRA_UID, uid); 10841 } 10842 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10843 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10844 if (DEBUG_BROADCASTS) { 10845 RuntimeException here = new RuntimeException("here"); 10846 here.fillInStackTrace(); 10847 Slog.d(TAG, "Sending to user " + id + ": " 10848 + intent.toShortString(false, true, false, false) 10849 + " " + intent.getExtras(), here); 10850 } 10851 am.broadcastIntent(null, intent, null, finishedReceiver, 10852 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10853 null, finishedReceiver != null, false, id); 10854 } 10855 } catch (RemoteException ex) { 10856 } 10857 } 10858 }); 10859 } 10860 10861 /** 10862 * Check if the external storage media is available. This is true if there 10863 * is a mounted external storage medium or if the external storage is 10864 * emulated. 10865 */ 10866 private boolean isExternalMediaAvailable() { 10867 return mMediaMounted || Environment.isExternalStorageEmulated(); 10868 } 10869 10870 @Override 10871 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10872 // writer 10873 synchronized (mPackages) { 10874 if (!isExternalMediaAvailable()) { 10875 // If the external storage is no longer mounted at this point, 10876 // the caller may not have been able to delete all of this 10877 // packages files and can not delete any more. Bail. 10878 return null; 10879 } 10880 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10881 if (lastPackage != null) { 10882 pkgs.remove(lastPackage); 10883 } 10884 if (pkgs.size() > 0) { 10885 return pkgs.get(0); 10886 } 10887 } 10888 return null; 10889 } 10890 10891 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10892 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10893 userId, andCode ? 1 : 0, packageName); 10894 if (mSystemReady) { 10895 msg.sendToTarget(); 10896 } else { 10897 if (mPostSystemReadyMessages == null) { 10898 mPostSystemReadyMessages = new ArrayList<>(); 10899 } 10900 mPostSystemReadyMessages.add(msg); 10901 } 10902 } 10903 10904 void startCleaningPackages() { 10905 // reader 10906 if (!isExternalMediaAvailable()) { 10907 return; 10908 } 10909 synchronized (mPackages) { 10910 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10911 return; 10912 } 10913 } 10914 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10915 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10916 IActivityManager am = ActivityManagerNative.getDefault(); 10917 if (am != null) { 10918 try { 10919 am.startService(null, intent, null, mContext.getOpPackageName(), 10920 UserHandle.USER_SYSTEM); 10921 } catch (RemoteException e) { 10922 } 10923 } 10924 } 10925 10926 @Override 10927 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10928 int installFlags, String installerPackageName, int userId) { 10929 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10930 10931 final int callingUid = Binder.getCallingUid(); 10932 enforceCrossUserPermission(callingUid, userId, 10933 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 10934 10935 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10936 try { 10937 if (observer != null) { 10938 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10939 } 10940 } catch (RemoteException re) { 10941 } 10942 return; 10943 } 10944 10945 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10946 installFlags |= PackageManager.INSTALL_FROM_ADB; 10947 10948 } else { 10949 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10950 // about installerPackageName. 10951 10952 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10953 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10954 } 10955 10956 UserHandle user; 10957 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10958 user = UserHandle.ALL; 10959 } else { 10960 user = new UserHandle(userId); 10961 } 10962 10963 // Only system components can circumvent runtime permissions when installing. 10964 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10965 && mContext.checkCallingOrSelfPermission(Manifest.permission 10966 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10967 throw new SecurityException("You need the " 10968 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10969 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10970 } 10971 10972 final File originFile = new File(originPath); 10973 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10974 10975 final Message msg = mHandler.obtainMessage(INIT_COPY); 10976 final VerificationInfo verificationInfo = new VerificationInfo( 10977 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 10978 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 10979 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 10980 null /*packageAbiOverride*/, null /*grantedPermissions*/); 10981 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10982 msg.obj = params; 10983 10984 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10985 System.identityHashCode(msg.obj)); 10986 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10987 System.identityHashCode(msg.obj)); 10988 10989 mHandler.sendMessage(msg); 10990 } 10991 10992 void installStage(String packageName, File stagedDir, String stagedCid, 10993 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10994 String installerPackageName, int installerUid, UserHandle user) { 10995 if (DEBUG_EPHEMERAL) { 10996 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10997 Slog.d(TAG, "Ephemeral install of " + packageName); 10998 } 10999 } 11000 final VerificationInfo verificationInfo = new VerificationInfo( 11001 sessionParams.originatingUri, sessionParams.referrerUri, 11002 sessionParams.originatingUid, installerUid); 11003 11004 final OriginInfo origin; 11005 if (stagedDir != null) { 11006 origin = OriginInfo.fromStagedFile(stagedDir); 11007 } else { 11008 origin = OriginInfo.fromStagedContainer(stagedCid); 11009 } 11010 11011 final Message msg = mHandler.obtainMessage(INIT_COPY); 11012 final InstallParams params = new InstallParams(origin, null, observer, 11013 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11014 verificationInfo, user, sessionParams.abiOverride, 11015 sessionParams.grantedRuntimePermissions); 11016 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11017 msg.obj = params; 11018 11019 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11020 System.identityHashCode(msg.obj)); 11021 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11022 System.identityHashCode(msg.obj)); 11023 11024 mHandler.sendMessage(msg); 11025 } 11026 11027 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11028 int userId) { 11029 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11030 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11031 } 11032 11033 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11034 int appId, int userId) { 11035 Bundle extras = new Bundle(1); 11036 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11037 11038 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11039 packageName, extras, 0, null, null, new int[] {userId}); 11040 try { 11041 IActivityManager am = ActivityManagerNative.getDefault(); 11042 if (isSystem && am.isUserRunning(userId, 0)) { 11043 // The just-installed/enabled app is bundled on the system, so presumed 11044 // to be able to run automatically without needing an explicit launch. 11045 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11046 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11047 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11048 .setPackage(packageName); 11049 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11050 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11051 } 11052 } catch (RemoteException e) { 11053 // shouldn't happen 11054 Slog.w(TAG, "Unable to bootstrap installed package", e); 11055 } 11056 } 11057 11058 @Override 11059 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11060 int userId) { 11061 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11062 PackageSetting pkgSetting; 11063 final int uid = Binder.getCallingUid(); 11064 enforceCrossUserPermission(uid, userId, 11065 true /* requireFullPermission */, true /* checkShell */, 11066 "setApplicationHiddenSetting for user " + userId); 11067 11068 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11069 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11070 return false; 11071 } 11072 11073 long callingId = Binder.clearCallingIdentity(); 11074 try { 11075 boolean sendAdded = false; 11076 boolean sendRemoved = false; 11077 // writer 11078 synchronized (mPackages) { 11079 pkgSetting = mSettings.mPackages.get(packageName); 11080 if (pkgSetting == null) { 11081 return false; 11082 } 11083 if (pkgSetting.getHidden(userId) != hidden) { 11084 pkgSetting.setHidden(hidden, userId); 11085 mSettings.writePackageRestrictionsLPr(userId); 11086 if (hidden) { 11087 sendRemoved = true; 11088 } else { 11089 sendAdded = true; 11090 } 11091 } 11092 } 11093 if (sendAdded) { 11094 sendPackageAddedForUser(packageName, pkgSetting, userId); 11095 return true; 11096 } 11097 if (sendRemoved) { 11098 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11099 "hiding pkg"); 11100 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11101 return true; 11102 } 11103 } finally { 11104 Binder.restoreCallingIdentity(callingId); 11105 } 11106 return false; 11107 } 11108 11109 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11110 int userId) { 11111 final PackageRemovedInfo info = new PackageRemovedInfo(); 11112 info.removedPackage = packageName; 11113 info.removedUsers = new int[] {userId}; 11114 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11115 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11116 } 11117 11118 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11119 if (pkgList.length > 0) { 11120 Bundle extras = new Bundle(1); 11121 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11122 11123 sendPackageBroadcast( 11124 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11125 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11126 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11127 new int[] {userId}); 11128 } 11129 } 11130 11131 /** 11132 * Returns true if application is not found or there was an error. Otherwise it returns 11133 * the hidden state of the package for the given user. 11134 */ 11135 @Override 11136 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11137 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11138 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11139 true /* requireFullPermission */, false /* checkShell */, 11140 "getApplicationHidden for user " + userId); 11141 PackageSetting pkgSetting; 11142 long callingId = Binder.clearCallingIdentity(); 11143 try { 11144 // writer 11145 synchronized (mPackages) { 11146 pkgSetting = mSettings.mPackages.get(packageName); 11147 if (pkgSetting == null) { 11148 return true; 11149 } 11150 return pkgSetting.getHidden(userId); 11151 } 11152 } finally { 11153 Binder.restoreCallingIdentity(callingId); 11154 } 11155 } 11156 11157 /** 11158 * @hide 11159 */ 11160 @Override 11161 public int installExistingPackageAsUser(String packageName, int userId) { 11162 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11163 null); 11164 PackageSetting pkgSetting; 11165 final int uid = Binder.getCallingUid(); 11166 enforceCrossUserPermission(uid, userId, 11167 true /* requireFullPermission */, true /* checkShell */, 11168 "installExistingPackage for user " + userId); 11169 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11170 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11171 } 11172 11173 long callingId = Binder.clearCallingIdentity(); 11174 try { 11175 boolean installed = false; 11176 11177 // writer 11178 synchronized (mPackages) { 11179 pkgSetting = mSettings.mPackages.get(packageName); 11180 if (pkgSetting == null) { 11181 return PackageManager.INSTALL_FAILED_INVALID_URI; 11182 } 11183 if (!pkgSetting.getInstalled(userId)) { 11184 pkgSetting.setInstalled(true, userId); 11185 pkgSetting.setHidden(false, userId); 11186 mSettings.writePackageRestrictionsLPr(userId); 11187 installed = true; 11188 } 11189 } 11190 11191 if (installed) { 11192 if (pkgSetting.pkg != null) { 11193 prepareAppDataAfterInstall(pkgSetting.pkg); 11194 } 11195 sendPackageAddedForUser(packageName, pkgSetting, userId); 11196 } 11197 } finally { 11198 Binder.restoreCallingIdentity(callingId); 11199 } 11200 11201 return PackageManager.INSTALL_SUCCEEDED; 11202 } 11203 11204 boolean isUserRestricted(int userId, String restrictionKey) { 11205 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11206 if (restrictions.getBoolean(restrictionKey, false)) { 11207 Log.w(TAG, "User is restricted: " + restrictionKey); 11208 return true; 11209 } 11210 return false; 11211 } 11212 11213 @Override 11214 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11215 int userId) { 11216 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11217 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11218 true /* requireFullPermission */, true /* checkShell */, 11219 "setPackagesSuspended for user " + userId); 11220 11221 if (ArrayUtils.isEmpty(packageNames)) { 11222 return packageNames; 11223 } 11224 11225 // List of package names for whom the suspended state has changed. 11226 List<String> changedPackages = new ArrayList<>(packageNames.length); 11227 // List of package names for whom the suspended state is not set as requested in this 11228 // method. 11229 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11230 for (int i = 0; i < packageNames.length; i++) { 11231 String packageName = packageNames[i]; 11232 long callingId = Binder.clearCallingIdentity(); 11233 try { 11234 boolean changed = false; 11235 final int appId; 11236 synchronized (mPackages) { 11237 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11238 if (pkgSetting == null) { 11239 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11240 + "\". Skipping suspending/un-suspending."); 11241 unactionedPackages.add(packageName); 11242 continue; 11243 } 11244 appId = pkgSetting.appId; 11245 if (pkgSetting.getSuspended(userId) != suspended) { 11246 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11247 unactionedPackages.add(packageName); 11248 continue; 11249 } 11250 pkgSetting.setSuspended(suspended, userId); 11251 mSettings.writePackageRestrictionsLPr(userId); 11252 changed = true; 11253 changedPackages.add(packageName); 11254 } 11255 } 11256 11257 if (changed && suspended) { 11258 killApplication(packageName, UserHandle.getUid(userId, appId), 11259 "suspending package"); 11260 } 11261 } finally { 11262 Binder.restoreCallingIdentity(callingId); 11263 } 11264 } 11265 11266 if (!changedPackages.isEmpty()) { 11267 sendPackagesSuspendedForUser(changedPackages.toArray( 11268 new String[changedPackages.size()]), userId, suspended); 11269 } 11270 11271 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11272 } 11273 11274 @Override 11275 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11276 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11277 true /* requireFullPermission */, false /* checkShell */, 11278 "isPackageSuspendedForUser for user " + userId); 11279 synchronized (mPackages) { 11280 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11281 if (pkgSetting == null) { 11282 throw new IllegalArgumentException("Unknown target package: " + packageName); 11283 } 11284 return pkgSetting.getSuspended(userId); 11285 } 11286 } 11287 11288 /** 11289 * TODO: cache and disallow blocking the active dialer. 11290 * 11291 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 11292 */ 11293 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11294 if (isPackageDeviceAdmin(packageName, userId)) { 11295 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11296 + "\": has an active device admin"); 11297 return false; 11298 } 11299 11300 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11301 if (packageName.equals(activeLauncherPackageName)) { 11302 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11303 + "\": contains the active launcher"); 11304 return false; 11305 } 11306 11307 if (packageName.equals(mRequiredInstallerPackage)) { 11308 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11309 + "\": required for package installation"); 11310 return false; 11311 } 11312 11313 if (packageName.equals(mRequiredVerifierPackage)) { 11314 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11315 + "\": required for package verification"); 11316 return false; 11317 } 11318 11319 final PackageParser.Package pkg = mPackages.get(packageName); 11320 if (pkg != null && isPrivilegedApp(pkg)) { 11321 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11322 + "\": is a privileged app"); 11323 return false; 11324 } 11325 11326 return true; 11327 } 11328 11329 private String getActiveLauncherPackageName(int userId) { 11330 Intent intent = new Intent(Intent.ACTION_MAIN); 11331 intent.addCategory(Intent.CATEGORY_HOME); 11332 ResolveInfo resolveInfo = resolveIntent( 11333 intent, 11334 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11335 PackageManager.MATCH_DEFAULT_ONLY, 11336 userId); 11337 11338 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11339 } 11340 11341 @Override 11342 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11343 mContext.enforceCallingOrSelfPermission( 11344 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11345 "Only package verification agents can verify applications"); 11346 11347 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11348 final PackageVerificationResponse response = new PackageVerificationResponse( 11349 verificationCode, Binder.getCallingUid()); 11350 msg.arg1 = id; 11351 msg.obj = response; 11352 mHandler.sendMessage(msg); 11353 } 11354 11355 @Override 11356 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11357 long millisecondsToDelay) { 11358 mContext.enforceCallingOrSelfPermission( 11359 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11360 "Only package verification agents can extend verification timeouts"); 11361 11362 final PackageVerificationState state = mPendingVerification.get(id); 11363 final PackageVerificationResponse response = new PackageVerificationResponse( 11364 verificationCodeAtTimeout, Binder.getCallingUid()); 11365 11366 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11367 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11368 } 11369 if (millisecondsToDelay < 0) { 11370 millisecondsToDelay = 0; 11371 } 11372 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11373 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11374 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11375 } 11376 11377 if ((state != null) && !state.timeoutExtended()) { 11378 state.extendTimeout(); 11379 11380 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11381 msg.arg1 = id; 11382 msg.obj = response; 11383 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11384 } 11385 } 11386 11387 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11388 int verificationCode, UserHandle user) { 11389 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11390 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11391 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11392 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11393 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11394 11395 mContext.sendBroadcastAsUser(intent, user, 11396 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11397 } 11398 11399 private ComponentName matchComponentForVerifier(String packageName, 11400 List<ResolveInfo> receivers) { 11401 ActivityInfo targetReceiver = null; 11402 11403 final int NR = receivers.size(); 11404 for (int i = 0; i < NR; i++) { 11405 final ResolveInfo info = receivers.get(i); 11406 if (info.activityInfo == null) { 11407 continue; 11408 } 11409 11410 if (packageName.equals(info.activityInfo.packageName)) { 11411 targetReceiver = info.activityInfo; 11412 break; 11413 } 11414 } 11415 11416 if (targetReceiver == null) { 11417 return null; 11418 } 11419 11420 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11421 } 11422 11423 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11424 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11425 if (pkgInfo.verifiers.length == 0) { 11426 return null; 11427 } 11428 11429 final int N = pkgInfo.verifiers.length; 11430 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11431 for (int i = 0; i < N; i++) { 11432 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11433 11434 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11435 receivers); 11436 if (comp == null) { 11437 continue; 11438 } 11439 11440 final int verifierUid = getUidForVerifier(verifierInfo); 11441 if (verifierUid == -1) { 11442 continue; 11443 } 11444 11445 if (DEBUG_VERIFY) { 11446 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11447 + " with the correct signature"); 11448 } 11449 sufficientVerifiers.add(comp); 11450 verificationState.addSufficientVerifier(verifierUid); 11451 } 11452 11453 return sufficientVerifiers; 11454 } 11455 11456 private int getUidForVerifier(VerifierInfo verifierInfo) { 11457 synchronized (mPackages) { 11458 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11459 if (pkg == null) { 11460 return -1; 11461 } else if (pkg.mSignatures.length != 1) { 11462 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11463 + " has more than one signature; ignoring"); 11464 return -1; 11465 } 11466 11467 /* 11468 * If the public key of the package's signature does not match 11469 * our expected public key, then this is a different package and 11470 * we should skip. 11471 */ 11472 11473 final byte[] expectedPublicKey; 11474 try { 11475 final Signature verifierSig = pkg.mSignatures[0]; 11476 final PublicKey publicKey = verifierSig.getPublicKey(); 11477 expectedPublicKey = publicKey.getEncoded(); 11478 } catch (CertificateException e) { 11479 return -1; 11480 } 11481 11482 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11483 11484 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11485 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11486 + " does not have the expected public key; ignoring"); 11487 return -1; 11488 } 11489 11490 return pkg.applicationInfo.uid; 11491 } 11492 } 11493 11494 @Override 11495 public void finishPackageInstall(int token) { 11496 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11497 11498 if (DEBUG_INSTALL) { 11499 Slog.v(TAG, "BM finishing package install for " + token); 11500 } 11501 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11502 11503 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11504 mHandler.sendMessage(msg); 11505 } 11506 11507 /** 11508 * Get the verification agent timeout. 11509 * 11510 * @return verification timeout in milliseconds 11511 */ 11512 private long getVerificationTimeout() { 11513 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11514 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11515 DEFAULT_VERIFICATION_TIMEOUT); 11516 } 11517 11518 /** 11519 * Get the default verification agent response code. 11520 * 11521 * @return default verification response code 11522 */ 11523 private int getDefaultVerificationResponse() { 11524 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11525 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11526 DEFAULT_VERIFICATION_RESPONSE); 11527 } 11528 11529 /** 11530 * Check whether or not package verification has been enabled. 11531 * 11532 * @return true if verification should be performed 11533 */ 11534 private boolean isVerificationEnabled(int userId, int installFlags) { 11535 if (!DEFAULT_VERIFY_ENABLE) { 11536 return false; 11537 } 11538 // Ephemeral apps don't get the full verification treatment 11539 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11540 if (DEBUG_EPHEMERAL) { 11541 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11542 } 11543 return false; 11544 } 11545 11546 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11547 11548 // Check if installing from ADB 11549 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11550 // Do not run verification in a test harness environment 11551 if (ActivityManager.isRunningInTestHarness()) { 11552 return false; 11553 } 11554 if (ensureVerifyAppsEnabled) { 11555 return true; 11556 } 11557 // Check if the developer does not want package verification for ADB installs 11558 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11559 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11560 return false; 11561 } 11562 } 11563 11564 if (ensureVerifyAppsEnabled) { 11565 return true; 11566 } 11567 11568 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11569 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11570 } 11571 11572 @Override 11573 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11574 throws RemoteException { 11575 mContext.enforceCallingOrSelfPermission( 11576 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11577 "Only intentfilter verification agents can verify applications"); 11578 11579 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11580 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11581 Binder.getCallingUid(), verificationCode, failedDomains); 11582 msg.arg1 = id; 11583 msg.obj = response; 11584 mHandler.sendMessage(msg); 11585 } 11586 11587 @Override 11588 public int getIntentVerificationStatus(String packageName, int userId) { 11589 synchronized (mPackages) { 11590 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11591 } 11592 } 11593 11594 @Override 11595 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11596 mContext.enforceCallingOrSelfPermission( 11597 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11598 11599 boolean result = false; 11600 synchronized (mPackages) { 11601 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11602 } 11603 if (result) { 11604 scheduleWritePackageRestrictionsLocked(userId); 11605 } 11606 return result; 11607 } 11608 11609 @Override 11610 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11611 String packageName) { 11612 synchronized (mPackages) { 11613 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11614 } 11615 } 11616 11617 @Override 11618 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11619 if (TextUtils.isEmpty(packageName)) { 11620 return ParceledListSlice.emptyList(); 11621 } 11622 synchronized (mPackages) { 11623 PackageParser.Package pkg = mPackages.get(packageName); 11624 if (pkg == null || pkg.activities == null) { 11625 return ParceledListSlice.emptyList(); 11626 } 11627 final int count = pkg.activities.size(); 11628 ArrayList<IntentFilter> result = new ArrayList<>(); 11629 for (int n=0; n<count; n++) { 11630 PackageParser.Activity activity = pkg.activities.get(n); 11631 if (activity.intents != null && activity.intents.size() > 0) { 11632 result.addAll(activity.intents); 11633 } 11634 } 11635 return new ParceledListSlice<>(result); 11636 } 11637 } 11638 11639 @Override 11640 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11641 mContext.enforceCallingOrSelfPermission( 11642 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11643 11644 synchronized (mPackages) { 11645 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11646 if (packageName != null) { 11647 result |= updateIntentVerificationStatus(packageName, 11648 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11649 userId); 11650 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11651 packageName, userId); 11652 } 11653 return result; 11654 } 11655 } 11656 11657 @Override 11658 public String getDefaultBrowserPackageName(int userId) { 11659 synchronized (mPackages) { 11660 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11661 } 11662 } 11663 11664 /** 11665 * Get the "allow unknown sources" setting. 11666 * 11667 * @return the current "allow unknown sources" setting 11668 */ 11669 private int getUnknownSourcesSettings() { 11670 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 11671 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 11672 -1); 11673 } 11674 11675 @Override 11676 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11677 final int uid = Binder.getCallingUid(); 11678 // writer 11679 synchronized (mPackages) { 11680 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11681 if (targetPackageSetting == null) { 11682 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11683 } 11684 11685 PackageSetting installerPackageSetting; 11686 if (installerPackageName != null) { 11687 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11688 if (installerPackageSetting == null) { 11689 throw new IllegalArgumentException("Unknown installer package: " 11690 + installerPackageName); 11691 } 11692 } else { 11693 installerPackageSetting = null; 11694 } 11695 11696 Signature[] callerSignature; 11697 Object obj = mSettings.getUserIdLPr(uid); 11698 if (obj != null) { 11699 if (obj instanceof SharedUserSetting) { 11700 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11701 } else if (obj instanceof PackageSetting) { 11702 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11703 } else { 11704 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11705 } 11706 } else { 11707 throw new SecurityException("Unknown calling UID: " + uid); 11708 } 11709 11710 // Verify: can't set installerPackageName to a package that is 11711 // not signed with the same cert as the caller. 11712 if (installerPackageSetting != null) { 11713 if (compareSignatures(callerSignature, 11714 installerPackageSetting.signatures.mSignatures) 11715 != PackageManager.SIGNATURE_MATCH) { 11716 throw new SecurityException( 11717 "Caller does not have same cert as new installer package " 11718 + installerPackageName); 11719 } 11720 } 11721 11722 // Verify: if target already has an installer package, it must 11723 // be signed with the same cert as the caller. 11724 if (targetPackageSetting.installerPackageName != null) { 11725 PackageSetting setting = mSettings.mPackages.get( 11726 targetPackageSetting.installerPackageName); 11727 // If the currently set package isn't valid, then it's always 11728 // okay to change it. 11729 if (setting != null) { 11730 if (compareSignatures(callerSignature, 11731 setting.signatures.mSignatures) 11732 != PackageManager.SIGNATURE_MATCH) { 11733 throw new SecurityException( 11734 "Caller does not have same cert as old installer package " 11735 + targetPackageSetting.installerPackageName); 11736 } 11737 } 11738 } 11739 11740 // Okay! 11741 targetPackageSetting.installerPackageName = installerPackageName; 11742 scheduleWriteSettingsLocked(); 11743 } 11744 } 11745 11746 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11747 // Queue up an async operation since the package installation may take a little while. 11748 mHandler.post(new Runnable() { 11749 public void run() { 11750 mHandler.removeCallbacks(this); 11751 // Result object to be returned 11752 PackageInstalledInfo res = new PackageInstalledInfo(); 11753 res.setReturnCode(currentStatus); 11754 res.uid = -1; 11755 res.pkg = null; 11756 res.removedInfo = null; 11757 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11758 args.doPreInstall(res.returnCode); 11759 synchronized (mInstallLock) { 11760 installPackageTracedLI(args, res); 11761 } 11762 args.doPostInstall(res.returnCode, res.uid); 11763 } 11764 11765 // A restore should be performed at this point if (a) the install 11766 // succeeded, (b) the operation is not an update, and (c) the new 11767 // package has not opted out of backup participation. 11768 final boolean update = res.removedInfo != null 11769 && res.removedInfo.removedPackage != null; 11770 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11771 boolean doRestore = !update 11772 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11773 11774 // Set up the post-install work request bookkeeping. This will be used 11775 // and cleaned up by the post-install event handling regardless of whether 11776 // there's a restore pass performed. Token values are >= 1. 11777 int token; 11778 if (mNextInstallToken < 0) mNextInstallToken = 1; 11779 token = mNextInstallToken++; 11780 11781 PostInstallData data = new PostInstallData(args, res); 11782 mRunningInstalls.put(token, data); 11783 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11784 11785 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11786 // Pass responsibility to the Backup Manager. It will perform a 11787 // restore if appropriate, then pass responsibility back to the 11788 // Package Manager to run the post-install observer callbacks 11789 // and broadcasts. 11790 IBackupManager bm = IBackupManager.Stub.asInterface( 11791 ServiceManager.getService(Context.BACKUP_SERVICE)); 11792 if (bm != null) { 11793 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11794 + " to BM for possible restore"); 11795 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11796 try { 11797 // TODO: http://b/22388012 11798 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11799 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11800 } else { 11801 doRestore = false; 11802 } 11803 } catch (RemoteException e) { 11804 // can't happen; the backup manager is local 11805 } catch (Exception e) { 11806 Slog.e(TAG, "Exception trying to enqueue restore", e); 11807 doRestore = false; 11808 } 11809 } else { 11810 Slog.e(TAG, "Backup Manager not found!"); 11811 doRestore = false; 11812 } 11813 } 11814 11815 if (!doRestore) { 11816 // No restore possible, or the Backup Manager was mysteriously not 11817 // available -- just fire the post-install work request directly. 11818 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11819 11820 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11821 11822 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11823 mHandler.sendMessage(msg); 11824 } 11825 } 11826 }); 11827 } 11828 11829 private abstract class HandlerParams { 11830 private static final int MAX_RETRIES = 4; 11831 11832 /** 11833 * Number of times startCopy() has been attempted and had a non-fatal 11834 * error. 11835 */ 11836 private int mRetries = 0; 11837 11838 /** User handle for the user requesting the information or installation. */ 11839 private final UserHandle mUser; 11840 String traceMethod; 11841 int traceCookie; 11842 11843 HandlerParams(UserHandle user) { 11844 mUser = user; 11845 } 11846 11847 UserHandle getUser() { 11848 return mUser; 11849 } 11850 11851 HandlerParams setTraceMethod(String traceMethod) { 11852 this.traceMethod = traceMethod; 11853 return this; 11854 } 11855 11856 HandlerParams setTraceCookie(int traceCookie) { 11857 this.traceCookie = traceCookie; 11858 return this; 11859 } 11860 11861 final boolean startCopy() { 11862 boolean res; 11863 try { 11864 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11865 11866 if (++mRetries > MAX_RETRIES) { 11867 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11868 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11869 handleServiceError(); 11870 return false; 11871 } else { 11872 handleStartCopy(); 11873 res = true; 11874 } 11875 } catch (RemoteException e) { 11876 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11877 mHandler.sendEmptyMessage(MCS_RECONNECT); 11878 res = false; 11879 } 11880 handleReturnCode(); 11881 return res; 11882 } 11883 11884 final void serviceError() { 11885 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11886 handleServiceError(); 11887 handleReturnCode(); 11888 } 11889 11890 abstract void handleStartCopy() throws RemoteException; 11891 abstract void handleServiceError(); 11892 abstract void handleReturnCode(); 11893 } 11894 11895 class MeasureParams extends HandlerParams { 11896 private final PackageStats mStats; 11897 private boolean mSuccess; 11898 11899 private final IPackageStatsObserver mObserver; 11900 11901 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11902 super(new UserHandle(stats.userHandle)); 11903 mObserver = observer; 11904 mStats = stats; 11905 } 11906 11907 @Override 11908 public String toString() { 11909 return "MeasureParams{" 11910 + Integer.toHexString(System.identityHashCode(this)) 11911 + " " + mStats.packageName + "}"; 11912 } 11913 11914 @Override 11915 void handleStartCopy() throws RemoteException { 11916 synchronized (mInstallLock) { 11917 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11918 } 11919 11920 if (mSuccess) { 11921 final boolean mounted; 11922 if (Environment.isExternalStorageEmulated()) { 11923 mounted = true; 11924 } else { 11925 final String status = Environment.getExternalStorageState(); 11926 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11927 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11928 } 11929 11930 if (mounted) { 11931 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11932 11933 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11934 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11935 11936 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11937 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11938 11939 // Always subtract cache size, since it's a subdirectory 11940 mStats.externalDataSize -= mStats.externalCacheSize; 11941 11942 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11943 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11944 11945 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11946 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11947 } 11948 } 11949 } 11950 11951 @Override 11952 void handleReturnCode() { 11953 if (mObserver != null) { 11954 try { 11955 mObserver.onGetStatsCompleted(mStats, mSuccess); 11956 } catch (RemoteException e) { 11957 Slog.i(TAG, "Observer no longer exists."); 11958 } 11959 } 11960 } 11961 11962 @Override 11963 void handleServiceError() { 11964 Slog.e(TAG, "Could not measure application " + mStats.packageName 11965 + " external storage"); 11966 } 11967 } 11968 11969 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11970 throws RemoteException { 11971 long result = 0; 11972 for (File path : paths) { 11973 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11974 } 11975 return result; 11976 } 11977 11978 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11979 for (File path : paths) { 11980 try { 11981 mcs.clearDirectory(path.getAbsolutePath()); 11982 } catch (RemoteException e) { 11983 } 11984 } 11985 } 11986 11987 static class OriginInfo { 11988 /** 11989 * Location where install is coming from, before it has been 11990 * copied/renamed into place. This could be a single monolithic APK 11991 * file, or a cluster directory. This location may be untrusted. 11992 */ 11993 final File file; 11994 final String cid; 11995 11996 /** 11997 * Flag indicating that {@link #file} or {@link #cid} has already been 11998 * staged, meaning downstream users don't need to defensively copy the 11999 * contents. 12000 */ 12001 final boolean staged; 12002 12003 /** 12004 * Flag indicating that {@link #file} or {@link #cid} is an already 12005 * installed app that is being moved. 12006 */ 12007 final boolean existing; 12008 12009 final String resolvedPath; 12010 final File resolvedFile; 12011 12012 static OriginInfo fromNothing() { 12013 return new OriginInfo(null, null, false, false); 12014 } 12015 12016 static OriginInfo fromUntrustedFile(File file) { 12017 return new OriginInfo(file, null, false, false); 12018 } 12019 12020 static OriginInfo fromExistingFile(File file) { 12021 return new OriginInfo(file, null, false, true); 12022 } 12023 12024 static OriginInfo fromStagedFile(File file) { 12025 return new OriginInfo(file, null, true, false); 12026 } 12027 12028 static OriginInfo fromStagedContainer(String cid) { 12029 return new OriginInfo(null, cid, true, false); 12030 } 12031 12032 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12033 this.file = file; 12034 this.cid = cid; 12035 this.staged = staged; 12036 this.existing = existing; 12037 12038 if (cid != null) { 12039 resolvedPath = PackageHelper.getSdDir(cid); 12040 resolvedFile = new File(resolvedPath); 12041 } else if (file != null) { 12042 resolvedPath = file.getAbsolutePath(); 12043 resolvedFile = file; 12044 } else { 12045 resolvedPath = null; 12046 resolvedFile = null; 12047 } 12048 } 12049 } 12050 12051 static class MoveInfo { 12052 final int moveId; 12053 final String fromUuid; 12054 final String toUuid; 12055 final String packageName; 12056 final String dataAppName; 12057 final int appId; 12058 final String seinfo; 12059 final int targetSdkVersion; 12060 12061 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12062 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12063 this.moveId = moveId; 12064 this.fromUuid = fromUuid; 12065 this.toUuid = toUuid; 12066 this.packageName = packageName; 12067 this.dataAppName = dataAppName; 12068 this.appId = appId; 12069 this.seinfo = seinfo; 12070 this.targetSdkVersion = targetSdkVersion; 12071 } 12072 } 12073 12074 static class VerificationInfo { 12075 /** A constant used to indicate that a uid value is not present. */ 12076 public static final int NO_UID = -1; 12077 12078 /** URI referencing where the package was downloaded from. */ 12079 final Uri originatingUri; 12080 12081 /** HTTP referrer URI associated with the originatingURI. */ 12082 final Uri referrer; 12083 12084 /** UID of the application that the install request originated from. */ 12085 final int originatingUid; 12086 12087 /** UID of application requesting the install */ 12088 final int installerUid; 12089 12090 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12091 this.originatingUri = originatingUri; 12092 this.referrer = referrer; 12093 this.originatingUid = originatingUid; 12094 this.installerUid = installerUid; 12095 } 12096 } 12097 12098 class InstallParams extends HandlerParams { 12099 final OriginInfo origin; 12100 final MoveInfo move; 12101 final IPackageInstallObserver2 observer; 12102 int installFlags; 12103 final String installerPackageName; 12104 final String volumeUuid; 12105 private InstallArgs mArgs; 12106 private int mRet; 12107 final String packageAbiOverride; 12108 final String[] grantedRuntimePermissions; 12109 final VerificationInfo verificationInfo; 12110 12111 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12112 int installFlags, String installerPackageName, String volumeUuid, 12113 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12114 String[] grantedPermissions) { 12115 super(user); 12116 this.origin = origin; 12117 this.move = move; 12118 this.observer = observer; 12119 this.installFlags = installFlags; 12120 this.installerPackageName = installerPackageName; 12121 this.volumeUuid = volumeUuid; 12122 this.verificationInfo = verificationInfo; 12123 this.packageAbiOverride = packageAbiOverride; 12124 this.grantedRuntimePermissions = grantedPermissions; 12125 } 12126 12127 @Override 12128 public String toString() { 12129 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12130 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12131 } 12132 12133 private int installLocationPolicy(PackageInfoLite pkgLite) { 12134 String packageName = pkgLite.packageName; 12135 int installLocation = pkgLite.installLocation; 12136 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12137 // reader 12138 synchronized (mPackages) { 12139 // Currently installed package which the new package is attempting to replace or 12140 // null if no such package is installed. 12141 PackageParser.Package installedPkg = mPackages.get(packageName); 12142 // Package which currently owns the data which the new package will own if installed. 12143 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12144 // will be null whereas dataOwnerPkg will contain information about the package 12145 // which was uninstalled while keeping its data. 12146 PackageParser.Package dataOwnerPkg = installedPkg; 12147 if (dataOwnerPkg == null) { 12148 PackageSetting ps = mSettings.mPackages.get(packageName); 12149 if (ps != null) { 12150 dataOwnerPkg = ps.pkg; 12151 } 12152 } 12153 12154 if (dataOwnerPkg != null) { 12155 // If installed, the package will get access to data left on the device by its 12156 // predecessor. As a security measure, this is permited only if this is not a 12157 // version downgrade or if the predecessor package is marked as debuggable and 12158 // a downgrade is explicitly requested. 12159 // 12160 // On debuggable platform builds, downgrades are permitted even for 12161 // non-debuggable packages to make testing easier. Debuggable platform builds do 12162 // not offer security guarantees and thus it's OK to disable some security 12163 // mechanisms to make debugging/testing easier on those builds. However, even on 12164 // debuggable builds downgrades of packages are permitted only if requested via 12165 // installFlags. This is because we aim to keep the behavior of debuggable 12166 // platform builds as close as possible to the behavior of non-debuggable 12167 // platform builds. 12168 final boolean downgradeRequested = 12169 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12170 final boolean packageDebuggable = 12171 (dataOwnerPkg.applicationInfo.flags 12172 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12173 final boolean downgradePermitted = 12174 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12175 if (!downgradePermitted) { 12176 try { 12177 checkDowngrade(dataOwnerPkg, pkgLite); 12178 } catch (PackageManagerException e) { 12179 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12180 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12181 } 12182 } 12183 } 12184 12185 if (installedPkg != null) { 12186 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12187 // Check for updated system application. 12188 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12189 if (onSd) { 12190 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12191 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12192 } 12193 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12194 } else { 12195 if (onSd) { 12196 // Install flag overrides everything. 12197 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12198 } 12199 // If current upgrade specifies particular preference 12200 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12201 // Application explicitly specified internal. 12202 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12203 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12204 // App explictly prefers external. Let policy decide 12205 } else { 12206 // Prefer previous location 12207 if (isExternal(installedPkg)) { 12208 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12209 } 12210 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12211 } 12212 } 12213 } else { 12214 // Invalid install. Return error code 12215 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12216 } 12217 } 12218 } 12219 // All the special cases have been taken care of. 12220 // Return result based on recommended install location. 12221 if (onSd) { 12222 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12223 } 12224 return pkgLite.recommendedInstallLocation; 12225 } 12226 12227 /* 12228 * Invoke remote method to get package information and install 12229 * location values. Override install location based on default 12230 * policy if needed and then create install arguments based 12231 * on the install location. 12232 */ 12233 public void handleStartCopy() throws RemoteException { 12234 int ret = PackageManager.INSTALL_SUCCEEDED; 12235 12236 // If we're already staged, we've firmly committed to an install location 12237 if (origin.staged) { 12238 if (origin.file != null) { 12239 installFlags |= PackageManager.INSTALL_INTERNAL; 12240 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12241 } else if (origin.cid != null) { 12242 installFlags |= PackageManager.INSTALL_EXTERNAL; 12243 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12244 } else { 12245 throw new IllegalStateException("Invalid stage location"); 12246 } 12247 } 12248 12249 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12250 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12251 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12252 PackageInfoLite pkgLite = null; 12253 12254 if (onInt && onSd) { 12255 // Check if both bits are set. 12256 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12257 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12258 } else if (onSd && ephemeral) { 12259 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12260 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12261 } else { 12262 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12263 packageAbiOverride); 12264 12265 if (DEBUG_EPHEMERAL && ephemeral) { 12266 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12267 } 12268 12269 /* 12270 * If we have too little free space, try to free cache 12271 * before giving up. 12272 */ 12273 if (!origin.staged && pkgLite.recommendedInstallLocation 12274 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12275 // TODO: focus freeing disk space on the target device 12276 final StorageManager storage = StorageManager.from(mContext); 12277 final long lowThreshold = storage.getStorageLowBytes( 12278 Environment.getDataDirectory()); 12279 12280 final long sizeBytes = mContainerService.calculateInstalledSize( 12281 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12282 12283 try { 12284 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12285 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12286 installFlags, packageAbiOverride); 12287 } catch (InstallerException e) { 12288 Slog.w(TAG, "Failed to free cache", e); 12289 } 12290 12291 /* 12292 * The cache free must have deleted the file we 12293 * downloaded to install. 12294 * 12295 * TODO: fix the "freeCache" call to not delete 12296 * the file we care about. 12297 */ 12298 if (pkgLite.recommendedInstallLocation 12299 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12300 pkgLite.recommendedInstallLocation 12301 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12302 } 12303 } 12304 } 12305 12306 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12307 int loc = pkgLite.recommendedInstallLocation; 12308 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12309 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12310 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12311 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12312 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12313 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12314 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12315 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12316 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12317 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12318 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12319 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12320 } else { 12321 // Override with defaults if needed. 12322 loc = installLocationPolicy(pkgLite); 12323 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12324 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12325 } else if (!onSd && !onInt) { 12326 // Override install location with flags 12327 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12328 // Set the flag to install on external media. 12329 installFlags |= PackageManager.INSTALL_EXTERNAL; 12330 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12331 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12332 if (DEBUG_EPHEMERAL) { 12333 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12334 } 12335 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12336 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12337 |PackageManager.INSTALL_INTERNAL); 12338 } else { 12339 // Make sure the flag for installing on external 12340 // media is unset 12341 installFlags |= PackageManager.INSTALL_INTERNAL; 12342 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12343 } 12344 } 12345 } 12346 } 12347 12348 final InstallArgs args = createInstallArgs(this); 12349 mArgs = args; 12350 12351 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12352 // TODO: http://b/22976637 12353 // Apps installed for "all" users use the device owner to verify the app 12354 UserHandle verifierUser = getUser(); 12355 if (verifierUser == UserHandle.ALL) { 12356 verifierUser = UserHandle.SYSTEM; 12357 } 12358 12359 /* 12360 * Determine if we have any installed package verifiers. If we 12361 * do, then we'll defer to them to verify the packages. 12362 */ 12363 final int requiredUid = mRequiredVerifierPackage == null ? -1 12364 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12365 verifierUser.getIdentifier()); 12366 if (!origin.existing && requiredUid != -1 12367 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12368 final Intent verification = new Intent( 12369 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12370 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12371 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12372 PACKAGE_MIME_TYPE); 12373 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12374 12375 // Query all live verifiers based on current user state 12376 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12377 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12378 12379 if (DEBUG_VERIFY) { 12380 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12381 + verification.toString() + " with " + pkgLite.verifiers.length 12382 + " optional verifiers"); 12383 } 12384 12385 final int verificationId = mPendingVerificationToken++; 12386 12387 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12388 12389 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12390 installerPackageName); 12391 12392 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12393 installFlags); 12394 12395 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12396 pkgLite.packageName); 12397 12398 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12399 pkgLite.versionCode); 12400 12401 if (verificationInfo != null) { 12402 if (verificationInfo.originatingUri != null) { 12403 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12404 verificationInfo.originatingUri); 12405 } 12406 if (verificationInfo.referrer != null) { 12407 verification.putExtra(Intent.EXTRA_REFERRER, 12408 verificationInfo.referrer); 12409 } 12410 if (verificationInfo.originatingUid >= 0) { 12411 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12412 verificationInfo.originatingUid); 12413 } 12414 if (verificationInfo.installerUid >= 0) { 12415 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12416 verificationInfo.installerUid); 12417 } 12418 } 12419 12420 final PackageVerificationState verificationState = new PackageVerificationState( 12421 requiredUid, args); 12422 12423 mPendingVerification.append(verificationId, verificationState); 12424 12425 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12426 receivers, verificationState); 12427 12428 /* 12429 * If any sufficient verifiers were listed in the package 12430 * manifest, attempt to ask them. 12431 */ 12432 if (sufficientVerifiers != null) { 12433 final int N = sufficientVerifiers.size(); 12434 if (N == 0) { 12435 Slog.i(TAG, "Additional verifiers required, but none installed."); 12436 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12437 } else { 12438 for (int i = 0; i < N; i++) { 12439 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12440 12441 final Intent sufficientIntent = new Intent(verification); 12442 sufficientIntent.setComponent(verifierComponent); 12443 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12444 } 12445 } 12446 } 12447 12448 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12449 mRequiredVerifierPackage, receivers); 12450 if (ret == PackageManager.INSTALL_SUCCEEDED 12451 && mRequiredVerifierPackage != null) { 12452 Trace.asyncTraceBegin( 12453 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12454 /* 12455 * Send the intent to the required verification agent, 12456 * but only start the verification timeout after the 12457 * target BroadcastReceivers have run. 12458 */ 12459 verification.setComponent(requiredVerifierComponent); 12460 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12461 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12462 new BroadcastReceiver() { 12463 @Override 12464 public void onReceive(Context context, Intent intent) { 12465 final Message msg = mHandler 12466 .obtainMessage(CHECK_PENDING_VERIFICATION); 12467 msg.arg1 = verificationId; 12468 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12469 } 12470 }, null, 0, null, null); 12471 12472 /* 12473 * We don't want the copy to proceed until verification 12474 * succeeds, so null out this field. 12475 */ 12476 mArgs = null; 12477 } 12478 } else { 12479 /* 12480 * No package verification is enabled, so immediately start 12481 * the remote call to initiate copy using temporary file. 12482 */ 12483 ret = args.copyApk(mContainerService, true); 12484 } 12485 } 12486 12487 mRet = ret; 12488 } 12489 12490 @Override 12491 void handleReturnCode() { 12492 // If mArgs is null, then MCS couldn't be reached. When it 12493 // reconnects, it will try again to install. At that point, this 12494 // will succeed. 12495 if (mArgs != null) { 12496 processPendingInstall(mArgs, mRet); 12497 } 12498 } 12499 12500 @Override 12501 void handleServiceError() { 12502 mArgs = createInstallArgs(this); 12503 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12504 } 12505 12506 public boolean isForwardLocked() { 12507 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12508 } 12509 } 12510 12511 /** 12512 * Used during creation of InstallArgs 12513 * 12514 * @param installFlags package installation flags 12515 * @return true if should be installed on external storage 12516 */ 12517 private static boolean installOnExternalAsec(int installFlags) { 12518 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12519 return false; 12520 } 12521 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12522 return true; 12523 } 12524 return false; 12525 } 12526 12527 /** 12528 * Used during creation of InstallArgs 12529 * 12530 * @param installFlags package installation flags 12531 * @return true if should be installed as forward locked 12532 */ 12533 private static boolean installForwardLocked(int installFlags) { 12534 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12535 } 12536 12537 private InstallArgs createInstallArgs(InstallParams params) { 12538 if (params.move != null) { 12539 return new MoveInstallArgs(params); 12540 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12541 return new AsecInstallArgs(params); 12542 } else { 12543 return new FileInstallArgs(params); 12544 } 12545 } 12546 12547 /** 12548 * Create args that describe an existing installed package. Typically used 12549 * when cleaning up old installs, or used as a move source. 12550 */ 12551 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12552 String resourcePath, String[] instructionSets) { 12553 final boolean isInAsec; 12554 if (installOnExternalAsec(installFlags)) { 12555 /* Apps on SD card are always in ASEC containers. */ 12556 isInAsec = true; 12557 } else if (installForwardLocked(installFlags) 12558 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12559 /* 12560 * Forward-locked apps are only in ASEC containers if they're the 12561 * new style 12562 */ 12563 isInAsec = true; 12564 } else { 12565 isInAsec = false; 12566 } 12567 12568 if (isInAsec) { 12569 return new AsecInstallArgs(codePath, instructionSets, 12570 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12571 } else { 12572 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12573 } 12574 } 12575 12576 static abstract class InstallArgs { 12577 /** @see InstallParams#origin */ 12578 final OriginInfo origin; 12579 /** @see InstallParams#move */ 12580 final MoveInfo move; 12581 12582 final IPackageInstallObserver2 observer; 12583 // Always refers to PackageManager flags only 12584 final int installFlags; 12585 final String installerPackageName; 12586 final String volumeUuid; 12587 final UserHandle user; 12588 final String abiOverride; 12589 final String[] installGrantPermissions; 12590 /** If non-null, drop an async trace when the install completes */ 12591 final String traceMethod; 12592 final int traceCookie; 12593 12594 // The list of instruction sets supported by this app. This is currently 12595 // only used during the rmdex() phase to clean up resources. We can get rid of this 12596 // if we move dex files under the common app path. 12597 /* nullable */ String[] instructionSets; 12598 12599 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12600 int installFlags, String installerPackageName, String volumeUuid, 12601 UserHandle user, String[] instructionSets, 12602 String abiOverride, String[] installGrantPermissions, 12603 String traceMethod, int traceCookie) { 12604 this.origin = origin; 12605 this.move = move; 12606 this.installFlags = installFlags; 12607 this.observer = observer; 12608 this.installerPackageName = installerPackageName; 12609 this.volumeUuid = volumeUuid; 12610 this.user = user; 12611 this.instructionSets = instructionSets; 12612 this.abiOverride = abiOverride; 12613 this.installGrantPermissions = installGrantPermissions; 12614 this.traceMethod = traceMethod; 12615 this.traceCookie = traceCookie; 12616 } 12617 12618 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12619 abstract int doPreInstall(int status); 12620 12621 /** 12622 * Rename package into final resting place. All paths on the given 12623 * scanned package should be updated to reflect the rename. 12624 */ 12625 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12626 abstract int doPostInstall(int status, int uid); 12627 12628 /** @see PackageSettingBase#codePathString */ 12629 abstract String getCodePath(); 12630 /** @see PackageSettingBase#resourcePathString */ 12631 abstract String getResourcePath(); 12632 12633 // Need installer lock especially for dex file removal. 12634 abstract void cleanUpResourcesLI(); 12635 abstract boolean doPostDeleteLI(boolean delete); 12636 12637 /** 12638 * Called before the source arguments are copied. This is used mostly 12639 * for MoveParams when it needs to read the source file to put it in the 12640 * destination. 12641 */ 12642 int doPreCopy() { 12643 return PackageManager.INSTALL_SUCCEEDED; 12644 } 12645 12646 /** 12647 * Called after the source arguments are copied. This is used mostly for 12648 * MoveParams when it needs to read the source file to put it in the 12649 * destination. 12650 */ 12651 int doPostCopy(int uid) { 12652 return PackageManager.INSTALL_SUCCEEDED; 12653 } 12654 12655 protected boolean isFwdLocked() { 12656 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12657 } 12658 12659 protected boolean isExternalAsec() { 12660 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12661 } 12662 12663 protected boolean isEphemeral() { 12664 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12665 } 12666 12667 UserHandle getUser() { 12668 return user; 12669 } 12670 } 12671 12672 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12673 if (!allCodePaths.isEmpty()) { 12674 if (instructionSets == null) { 12675 throw new IllegalStateException("instructionSet == null"); 12676 } 12677 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12678 for (String codePath : allCodePaths) { 12679 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12680 try { 12681 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12682 } catch (InstallerException ignored) { 12683 } 12684 } 12685 } 12686 } 12687 } 12688 12689 /** 12690 * Logic to handle installation of non-ASEC applications, including copying 12691 * and renaming logic. 12692 */ 12693 class FileInstallArgs extends InstallArgs { 12694 private File codeFile; 12695 private File resourceFile; 12696 12697 // Example topology: 12698 // /data/app/com.example/base.apk 12699 // /data/app/com.example/split_foo.apk 12700 // /data/app/com.example/lib/arm/libfoo.so 12701 // /data/app/com.example/lib/arm64/libfoo.so 12702 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12703 12704 /** New install */ 12705 FileInstallArgs(InstallParams params) { 12706 super(params.origin, params.move, params.observer, params.installFlags, 12707 params.installerPackageName, params.volumeUuid, 12708 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12709 params.grantedRuntimePermissions, 12710 params.traceMethod, params.traceCookie); 12711 if (isFwdLocked()) { 12712 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12713 } 12714 } 12715 12716 /** Existing install */ 12717 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12718 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12719 null, null, null, 0); 12720 this.codeFile = (codePath != null) ? new File(codePath) : null; 12721 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12722 } 12723 12724 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12725 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12726 try { 12727 return doCopyApk(imcs, temp); 12728 } finally { 12729 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12730 } 12731 } 12732 12733 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12734 if (origin.staged) { 12735 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12736 codeFile = origin.file; 12737 resourceFile = origin.file; 12738 return PackageManager.INSTALL_SUCCEEDED; 12739 } 12740 12741 try { 12742 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12743 final File tempDir = 12744 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12745 codeFile = tempDir; 12746 resourceFile = tempDir; 12747 } catch (IOException e) { 12748 Slog.w(TAG, "Failed to create copy file: " + e); 12749 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12750 } 12751 12752 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12753 @Override 12754 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12755 if (!FileUtils.isValidExtFilename(name)) { 12756 throw new IllegalArgumentException("Invalid filename: " + name); 12757 } 12758 try { 12759 final File file = new File(codeFile, name); 12760 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12761 O_RDWR | O_CREAT, 0644); 12762 Os.chmod(file.getAbsolutePath(), 0644); 12763 return new ParcelFileDescriptor(fd); 12764 } catch (ErrnoException e) { 12765 throw new RemoteException("Failed to open: " + e.getMessage()); 12766 } 12767 } 12768 }; 12769 12770 int ret = PackageManager.INSTALL_SUCCEEDED; 12771 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12772 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12773 Slog.e(TAG, "Failed to copy package"); 12774 return ret; 12775 } 12776 12777 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12778 NativeLibraryHelper.Handle handle = null; 12779 try { 12780 handle = NativeLibraryHelper.Handle.create(codeFile); 12781 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12782 abiOverride); 12783 } catch (IOException e) { 12784 Slog.e(TAG, "Copying native libraries failed", e); 12785 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12786 } finally { 12787 IoUtils.closeQuietly(handle); 12788 } 12789 12790 return ret; 12791 } 12792 12793 int doPreInstall(int status) { 12794 if (status != PackageManager.INSTALL_SUCCEEDED) { 12795 cleanUp(); 12796 } 12797 return status; 12798 } 12799 12800 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12801 if (status != PackageManager.INSTALL_SUCCEEDED) { 12802 cleanUp(); 12803 return false; 12804 } 12805 12806 final File targetDir = codeFile.getParentFile(); 12807 final File beforeCodeFile = codeFile; 12808 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12809 12810 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12811 try { 12812 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12813 } catch (ErrnoException e) { 12814 Slog.w(TAG, "Failed to rename", e); 12815 return false; 12816 } 12817 12818 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12819 Slog.w(TAG, "Failed to restorecon"); 12820 return false; 12821 } 12822 12823 // Reflect the rename internally 12824 codeFile = afterCodeFile; 12825 resourceFile = afterCodeFile; 12826 12827 // Reflect the rename in scanned details 12828 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12829 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12830 afterCodeFile, pkg.baseCodePath)); 12831 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12832 afterCodeFile, pkg.splitCodePaths)); 12833 12834 // Reflect the rename in app info 12835 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12836 pkg.setApplicationInfoCodePath(pkg.codePath); 12837 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12838 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12839 pkg.setApplicationInfoResourcePath(pkg.codePath); 12840 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12841 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12842 12843 return true; 12844 } 12845 12846 int doPostInstall(int status, int uid) { 12847 if (status != PackageManager.INSTALL_SUCCEEDED) { 12848 cleanUp(); 12849 } 12850 return status; 12851 } 12852 12853 @Override 12854 String getCodePath() { 12855 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12856 } 12857 12858 @Override 12859 String getResourcePath() { 12860 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12861 } 12862 12863 private boolean cleanUp() { 12864 if (codeFile == null || !codeFile.exists()) { 12865 return false; 12866 } 12867 12868 removeCodePathLI(codeFile); 12869 12870 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12871 resourceFile.delete(); 12872 } 12873 12874 return true; 12875 } 12876 12877 void cleanUpResourcesLI() { 12878 // Try enumerating all code paths before deleting 12879 List<String> allCodePaths = Collections.EMPTY_LIST; 12880 if (codeFile != null && codeFile.exists()) { 12881 try { 12882 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12883 allCodePaths = pkg.getAllCodePaths(); 12884 } catch (PackageParserException e) { 12885 // Ignored; we tried our best 12886 } 12887 } 12888 12889 cleanUp(); 12890 removeDexFiles(allCodePaths, instructionSets); 12891 } 12892 12893 boolean doPostDeleteLI(boolean delete) { 12894 // XXX err, shouldn't we respect the delete flag? 12895 cleanUpResourcesLI(); 12896 return true; 12897 } 12898 } 12899 12900 private boolean isAsecExternal(String cid) { 12901 final String asecPath = PackageHelper.getSdFilesystem(cid); 12902 return !asecPath.startsWith(mAsecInternalPath); 12903 } 12904 12905 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12906 PackageManagerException { 12907 if (copyRet < 0) { 12908 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12909 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12910 throw new PackageManagerException(copyRet, message); 12911 } 12912 } 12913 } 12914 12915 /** 12916 * Extract the MountService "container ID" from the full code path of an 12917 * .apk. 12918 */ 12919 static String cidFromCodePath(String fullCodePath) { 12920 int eidx = fullCodePath.lastIndexOf("/"); 12921 String subStr1 = fullCodePath.substring(0, eidx); 12922 int sidx = subStr1.lastIndexOf("/"); 12923 return subStr1.substring(sidx+1, eidx); 12924 } 12925 12926 /** 12927 * Logic to handle installation of ASEC applications, including copying and 12928 * renaming logic. 12929 */ 12930 class AsecInstallArgs extends InstallArgs { 12931 static final String RES_FILE_NAME = "pkg.apk"; 12932 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12933 12934 String cid; 12935 String packagePath; 12936 String resourcePath; 12937 12938 /** New install */ 12939 AsecInstallArgs(InstallParams params) { 12940 super(params.origin, params.move, params.observer, params.installFlags, 12941 params.installerPackageName, params.volumeUuid, 12942 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12943 params.grantedRuntimePermissions, 12944 params.traceMethod, params.traceCookie); 12945 } 12946 12947 /** Existing install */ 12948 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12949 boolean isExternal, boolean isForwardLocked) { 12950 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12951 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12952 instructionSets, null, null, null, 0); 12953 // Hackily pretend we're still looking at a full code path 12954 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12955 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12956 } 12957 12958 // Extract cid from fullCodePath 12959 int eidx = fullCodePath.lastIndexOf("/"); 12960 String subStr1 = fullCodePath.substring(0, eidx); 12961 int sidx = subStr1.lastIndexOf("/"); 12962 cid = subStr1.substring(sidx+1, eidx); 12963 setMountPath(subStr1); 12964 } 12965 12966 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12967 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12968 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12969 instructionSets, null, null, null, 0); 12970 this.cid = cid; 12971 setMountPath(PackageHelper.getSdDir(cid)); 12972 } 12973 12974 void createCopyFile() { 12975 cid = mInstallerService.allocateExternalStageCidLegacy(); 12976 } 12977 12978 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12979 if (origin.staged && origin.cid != null) { 12980 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12981 cid = origin.cid; 12982 setMountPath(PackageHelper.getSdDir(cid)); 12983 return PackageManager.INSTALL_SUCCEEDED; 12984 } 12985 12986 if (temp) { 12987 createCopyFile(); 12988 } else { 12989 /* 12990 * Pre-emptively destroy the container since it's destroyed if 12991 * copying fails due to it existing anyway. 12992 */ 12993 PackageHelper.destroySdDir(cid); 12994 } 12995 12996 final String newMountPath = imcs.copyPackageToContainer( 12997 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12998 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12999 13000 if (newMountPath != null) { 13001 setMountPath(newMountPath); 13002 return PackageManager.INSTALL_SUCCEEDED; 13003 } else { 13004 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13005 } 13006 } 13007 13008 @Override 13009 String getCodePath() { 13010 return packagePath; 13011 } 13012 13013 @Override 13014 String getResourcePath() { 13015 return resourcePath; 13016 } 13017 13018 int doPreInstall(int status) { 13019 if (status != PackageManager.INSTALL_SUCCEEDED) { 13020 // Destroy container 13021 PackageHelper.destroySdDir(cid); 13022 } else { 13023 boolean mounted = PackageHelper.isContainerMounted(cid); 13024 if (!mounted) { 13025 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13026 Process.SYSTEM_UID); 13027 if (newMountPath != null) { 13028 setMountPath(newMountPath); 13029 } else { 13030 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13031 } 13032 } 13033 } 13034 return status; 13035 } 13036 13037 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13038 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13039 String newMountPath = null; 13040 if (PackageHelper.isContainerMounted(cid)) { 13041 // Unmount the container 13042 if (!PackageHelper.unMountSdDir(cid)) { 13043 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13044 return false; 13045 } 13046 } 13047 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13048 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13049 " which might be stale. Will try to clean up."); 13050 // Clean up the stale container and proceed to recreate. 13051 if (!PackageHelper.destroySdDir(newCacheId)) { 13052 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13053 return false; 13054 } 13055 // Successfully cleaned up stale container. Try to rename again. 13056 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13057 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13058 + " inspite of cleaning it up."); 13059 return false; 13060 } 13061 } 13062 if (!PackageHelper.isContainerMounted(newCacheId)) { 13063 Slog.w(TAG, "Mounting container " + newCacheId); 13064 newMountPath = PackageHelper.mountSdDir(newCacheId, 13065 getEncryptKey(), Process.SYSTEM_UID); 13066 } else { 13067 newMountPath = PackageHelper.getSdDir(newCacheId); 13068 } 13069 if (newMountPath == null) { 13070 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13071 return false; 13072 } 13073 Log.i(TAG, "Succesfully renamed " + cid + 13074 " to " + newCacheId + 13075 " at new path: " + newMountPath); 13076 cid = newCacheId; 13077 13078 final File beforeCodeFile = new File(packagePath); 13079 setMountPath(newMountPath); 13080 final File afterCodeFile = new File(packagePath); 13081 13082 // Reflect the rename in scanned details 13083 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13084 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13085 afterCodeFile, pkg.baseCodePath)); 13086 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13087 afterCodeFile, pkg.splitCodePaths)); 13088 13089 // Reflect the rename in app info 13090 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13091 pkg.setApplicationInfoCodePath(pkg.codePath); 13092 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13093 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13094 pkg.setApplicationInfoResourcePath(pkg.codePath); 13095 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13096 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13097 13098 return true; 13099 } 13100 13101 private void setMountPath(String mountPath) { 13102 final File mountFile = new File(mountPath); 13103 13104 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13105 if (monolithicFile.exists()) { 13106 packagePath = monolithicFile.getAbsolutePath(); 13107 if (isFwdLocked()) { 13108 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13109 } else { 13110 resourcePath = packagePath; 13111 } 13112 } else { 13113 packagePath = mountFile.getAbsolutePath(); 13114 resourcePath = packagePath; 13115 } 13116 } 13117 13118 int doPostInstall(int status, int uid) { 13119 if (status != PackageManager.INSTALL_SUCCEEDED) { 13120 cleanUp(); 13121 } else { 13122 final int groupOwner; 13123 final String protectedFile; 13124 if (isFwdLocked()) { 13125 groupOwner = UserHandle.getSharedAppGid(uid); 13126 protectedFile = RES_FILE_NAME; 13127 } else { 13128 groupOwner = -1; 13129 protectedFile = null; 13130 } 13131 13132 if (uid < Process.FIRST_APPLICATION_UID 13133 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13134 Slog.e(TAG, "Failed to finalize " + cid); 13135 PackageHelper.destroySdDir(cid); 13136 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13137 } 13138 13139 boolean mounted = PackageHelper.isContainerMounted(cid); 13140 if (!mounted) { 13141 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13142 } 13143 } 13144 return status; 13145 } 13146 13147 private void cleanUp() { 13148 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13149 13150 // Destroy secure container 13151 PackageHelper.destroySdDir(cid); 13152 } 13153 13154 private List<String> getAllCodePaths() { 13155 final File codeFile = new File(getCodePath()); 13156 if (codeFile != null && codeFile.exists()) { 13157 try { 13158 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13159 return pkg.getAllCodePaths(); 13160 } catch (PackageParserException e) { 13161 // Ignored; we tried our best 13162 } 13163 } 13164 return Collections.EMPTY_LIST; 13165 } 13166 13167 void cleanUpResourcesLI() { 13168 // Enumerate all code paths before deleting 13169 cleanUpResourcesLI(getAllCodePaths()); 13170 } 13171 13172 private void cleanUpResourcesLI(List<String> allCodePaths) { 13173 cleanUp(); 13174 removeDexFiles(allCodePaths, instructionSets); 13175 } 13176 13177 String getPackageName() { 13178 return getAsecPackageName(cid); 13179 } 13180 13181 boolean doPostDeleteLI(boolean delete) { 13182 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13183 final List<String> allCodePaths = getAllCodePaths(); 13184 boolean mounted = PackageHelper.isContainerMounted(cid); 13185 if (mounted) { 13186 // Unmount first 13187 if (PackageHelper.unMountSdDir(cid)) { 13188 mounted = false; 13189 } 13190 } 13191 if (!mounted && delete) { 13192 cleanUpResourcesLI(allCodePaths); 13193 } 13194 return !mounted; 13195 } 13196 13197 @Override 13198 int doPreCopy() { 13199 if (isFwdLocked()) { 13200 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13201 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13202 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13203 } 13204 } 13205 13206 return PackageManager.INSTALL_SUCCEEDED; 13207 } 13208 13209 @Override 13210 int doPostCopy(int uid) { 13211 if (isFwdLocked()) { 13212 if (uid < Process.FIRST_APPLICATION_UID 13213 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13214 RES_FILE_NAME)) { 13215 Slog.e(TAG, "Failed to finalize " + cid); 13216 PackageHelper.destroySdDir(cid); 13217 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13218 } 13219 } 13220 13221 return PackageManager.INSTALL_SUCCEEDED; 13222 } 13223 } 13224 13225 /** 13226 * Logic to handle movement of existing installed applications. 13227 */ 13228 class MoveInstallArgs extends InstallArgs { 13229 private File codeFile; 13230 private File resourceFile; 13231 13232 /** New install */ 13233 MoveInstallArgs(InstallParams params) { 13234 super(params.origin, params.move, params.observer, params.installFlags, 13235 params.installerPackageName, params.volumeUuid, 13236 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13237 params.grantedRuntimePermissions, 13238 params.traceMethod, params.traceCookie); 13239 } 13240 13241 int copyApk(IMediaContainerService imcs, boolean temp) { 13242 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13243 + move.fromUuid + " to " + move.toUuid); 13244 synchronized (mInstaller) { 13245 try { 13246 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13247 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13248 } catch (InstallerException e) { 13249 Slog.w(TAG, "Failed to move app", e); 13250 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13251 } 13252 } 13253 13254 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13255 resourceFile = codeFile; 13256 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13257 13258 return PackageManager.INSTALL_SUCCEEDED; 13259 } 13260 13261 int doPreInstall(int status) { 13262 if (status != PackageManager.INSTALL_SUCCEEDED) { 13263 cleanUp(move.toUuid); 13264 } 13265 return status; 13266 } 13267 13268 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13269 if (status != PackageManager.INSTALL_SUCCEEDED) { 13270 cleanUp(move.toUuid); 13271 return false; 13272 } 13273 13274 // Reflect the move in app info 13275 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13276 pkg.setApplicationInfoCodePath(pkg.codePath); 13277 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13278 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13279 pkg.setApplicationInfoResourcePath(pkg.codePath); 13280 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13281 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13282 13283 return true; 13284 } 13285 13286 int doPostInstall(int status, int uid) { 13287 if (status == PackageManager.INSTALL_SUCCEEDED) { 13288 cleanUp(move.fromUuid); 13289 } else { 13290 cleanUp(move.toUuid); 13291 } 13292 return status; 13293 } 13294 13295 @Override 13296 String getCodePath() { 13297 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13298 } 13299 13300 @Override 13301 String getResourcePath() { 13302 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13303 } 13304 13305 private boolean cleanUp(String volumeUuid) { 13306 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13307 move.dataAppName); 13308 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13309 synchronized (mInstallLock) { 13310 // Clean up both app data and code 13311 removeDataDirsLI(volumeUuid, move.packageName); 13312 removeCodePathLI(codeFile); 13313 } 13314 return true; 13315 } 13316 13317 void cleanUpResourcesLI() { 13318 throw new UnsupportedOperationException(); 13319 } 13320 13321 boolean doPostDeleteLI(boolean delete) { 13322 throw new UnsupportedOperationException(); 13323 } 13324 } 13325 13326 static String getAsecPackageName(String packageCid) { 13327 int idx = packageCid.lastIndexOf("-"); 13328 if (idx == -1) { 13329 return packageCid; 13330 } 13331 return packageCid.substring(0, idx); 13332 } 13333 13334 // Utility method used to create code paths based on package name and available index. 13335 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13336 String idxStr = ""; 13337 int idx = 1; 13338 // Fall back to default value of idx=1 if prefix is not 13339 // part of oldCodePath 13340 if (oldCodePath != null) { 13341 String subStr = oldCodePath; 13342 // Drop the suffix right away 13343 if (suffix != null && subStr.endsWith(suffix)) { 13344 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13345 } 13346 // If oldCodePath already contains prefix find out the 13347 // ending index to either increment or decrement. 13348 int sidx = subStr.lastIndexOf(prefix); 13349 if (sidx != -1) { 13350 subStr = subStr.substring(sidx + prefix.length()); 13351 if (subStr != null) { 13352 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13353 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13354 } 13355 try { 13356 idx = Integer.parseInt(subStr); 13357 if (idx <= 1) { 13358 idx++; 13359 } else { 13360 idx--; 13361 } 13362 } catch(NumberFormatException e) { 13363 } 13364 } 13365 } 13366 } 13367 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13368 return prefix + idxStr; 13369 } 13370 13371 private File getNextCodePath(File targetDir, String packageName) { 13372 int suffix = 1; 13373 File result; 13374 do { 13375 result = new File(targetDir, packageName + "-" + suffix); 13376 suffix++; 13377 } while (result.exists()); 13378 return result; 13379 } 13380 13381 // Utility method that returns the relative package path with respect 13382 // to the installation directory. Like say for /data/data/com.test-1.apk 13383 // string com.test-1 is returned. 13384 static String deriveCodePathName(String codePath) { 13385 if (codePath == null) { 13386 return null; 13387 } 13388 final File codeFile = new File(codePath); 13389 final String name = codeFile.getName(); 13390 if (codeFile.isDirectory()) { 13391 return name; 13392 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13393 final int lastDot = name.lastIndexOf('.'); 13394 return name.substring(0, lastDot); 13395 } else { 13396 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13397 return null; 13398 } 13399 } 13400 13401 static class PackageInstalledInfo { 13402 String name; 13403 int uid; 13404 // The set of users that originally had this package installed. 13405 int[] origUsers; 13406 // The set of users that now have this package installed. 13407 int[] newUsers; 13408 PackageParser.Package pkg; 13409 int returnCode; 13410 String returnMsg; 13411 PackageRemovedInfo removedInfo; 13412 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13413 13414 public void setError(int code, String msg) { 13415 setReturnCode(code); 13416 setReturnMessage(msg); 13417 Slog.w(TAG, msg); 13418 } 13419 13420 public void setError(String msg, PackageParserException e) { 13421 setReturnCode(e.error); 13422 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13423 Slog.w(TAG, msg, e); 13424 } 13425 13426 public void setError(String msg, PackageManagerException e) { 13427 returnCode = e.error; 13428 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13429 Slog.w(TAG, msg, e); 13430 } 13431 13432 public void setReturnCode(int returnCode) { 13433 this.returnCode = returnCode; 13434 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13435 for (int i = 0; i < childCount; i++) { 13436 addedChildPackages.valueAt(i).returnCode = returnCode; 13437 } 13438 } 13439 13440 private void setReturnMessage(String returnMsg) { 13441 this.returnMsg = returnMsg; 13442 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13443 for (int i = 0; i < childCount; i++) { 13444 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13445 } 13446 } 13447 13448 // In some error cases we want to convey more info back to the observer 13449 String origPackage; 13450 String origPermission; 13451 } 13452 13453 /* 13454 * Install a non-existing package. 13455 */ 13456 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13457 UserHandle user, String installerPackageName, String volumeUuid, 13458 PackageInstalledInfo res) { 13459 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13460 13461 // Remember this for later, in case we need to rollback this install 13462 String pkgName = pkg.packageName; 13463 13464 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13465 13466 synchronized(mPackages) { 13467 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13468 // A package with the same name is already installed, though 13469 // it has been renamed to an older name. The package we 13470 // are trying to install should be installed as an update to 13471 // the existing one, but that has not been requested, so bail. 13472 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13473 + " without first uninstalling package running as " 13474 + mSettings.mRenamedPackages.get(pkgName)); 13475 return; 13476 } 13477 if (mPackages.containsKey(pkgName)) { 13478 // Don't allow installation over an existing package with the same name. 13479 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13480 + " without first uninstalling."); 13481 return; 13482 } 13483 } 13484 13485 try { 13486 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 13487 System.currentTimeMillis(), user); 13488 13489 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13490 13491 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13492 prepareAppDataAfterInstall(newPackage); 13493 13494 } else { 13495 // Remove package from internal structures, but keep around any 13496 // data that might have already existed 13497 deletePackageLI(pkgName, UserHandle.ALL, false, null, 13498 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13499 } 13500 } catch (PackageManagerException e) { 13501 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13502 } 13503 13504 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13505 } 13506 13507 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13508 // Can't rotate keys during boot or if sharedUser. 13509 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13510 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13511 return false; 13512 } 13513 // app is using upgradeKeySets; make sure all are valid 13514 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13515 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13516 for (int i = 0; i < upgradeKeySets.length; i++) { 13517 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13518 Slog.wtf(TAG, "Package " 13519 + (oldPs.name != null ? oldPs.name : "<null>") 13520 + " contains upgrade-key-set reference to unknown key-set: " 13521 + upgradeKeySets[i] 13522 + " reverting to signatures check."); 13523 return false; 13524 } 13525 } 13526 return true; 13527 } 13528 13529 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13530 // Upgrade keysets are being used. Determine if new package has a superset of the 13531 // required keys. 13532 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13533 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13534 for (int i = 0; i < upgradeKeySets.length; i++) { 13535 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13536 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13537 return true; 13538 } 13539 } 13540 return false; 13541 } 13542 13543 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13544 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13545 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13546 13547 final PackageParser.Package oldPackage; 13548 final String pkgName = pkg.packageName; 13549 final int[] allUsers; 13550 final boolean weFroze; 13551 13552 // First find the old package info and check signatures 13553 synchronized(mPackages) { 13554 oldPackage = mPackages.get(pkgName); 13555 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13556 if (isEphemeral && !oldIsEphemeral) { 13557 // can't downgrade from full to ephemeral 13558 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13559 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13560 return; 13561 } 13562 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13563 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13564 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13565 if (!checkUpgradeKeySetLP(ps, pkg)) { 13566 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13567 "New package not signed by keys specified by upgrade-keysets: " 13568 + pkgName); 13569 return; 13570 } 13571 } else { 13572 // default to original signature matching 13573 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13574 != PackageManager.SIGNATURE_MATCH) { 13575 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13576 "New package has a different signature: " + pkgName); 13577 return; 13578 } 13579 } 13580 13581 // In case of rollback, remember per-user/profile install state 13582 allUsers = sUserManager.getUserIds(); 13583 13584 // Mark the app as frozen to prevent launching during the upgrade 13585 // process, and then kill all running instances 13586 if (!ps.frozen) { 13587 ps.frozen = true; 13588 weFroze = true; 13589 } else { 13590 weFroze = false; 13591 } 13592 } 13593 13594 try { 13595 replacePackageDirtyLI(pkg, oldPackage, parseFlags, scanFlags, user, allUsers, 13596 installerPackageName, res); 13597 } finally { 13598 // Regardless of success or failure of upgrade steps above, always 13599 // unfreeze the package if we froze it 13600 if (weFroze) { 13601 unfreezePackage(pkgName); 13602 } 13603 } 13604 } 13605 13606 private void replacePackageDirtyLI(PackageParser.Package pkg, PackageParser.Package oldPackage, 13607 int parseFlags, int scanFlags, UserHandle user, int[] allUsers, 13608 String installerPackageName, PackageInstalledInfo res) { 13609 // Update what is removed 13610 res.removedInfo = new PackageRemovedInfo(); 13611 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13612 res.removedInfo.removedPackage = oldPackage.packageName; 13613 res.removedInfo.isUpdate = true; 13614 final int childCount = (oldPackage.childPackages != null) 13615 ? oldPackage.childPackages.size() : 0; 13616 for (int i = 0; i < childCount; i++) { 13617 boolean childPackageUpdated = false; 13618 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13619 if (res.addedChildPackages != null) { 13620 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13621 if (childRes != null) { 13622 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13623 childRes.removedInfo.removedPackage = childPkg.packageName; 13624 childRes.removedInfo.isUpdate = true; 13625 childPackageUpdated = true; 13626 } 13627 } 13628 if (!childPackageUpdated) { 13629 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13630 childRemovedRes.removedPackage = childPkg.packageName; 13631 childRemovedRes.isUpdate = false; 13632 childRemovedRes.dataRemoved = true; 13633 synchronized (mPackages) { 13634 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13635 if (childPs != null) { 13636 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13637 } 13638 } 13639 if (res.removedInfo.removedChildPackages == null) { 13640 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13641 } 13642 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13643 } 13644 } 13645 13646 boolean sysPkg = (isSystemApp(oldPackage)); 13647 if (sysPkg) { 13648 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13649 user, allUsers, installerPackageName, res); 13650 } else { 13651 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13652 user, allUsers, installerPackageName, res); 13653 } 13654 } 13655 13656 public List<String> getPreviousCodePaths(String packageName) { 13657 final PackageSetting ps = mSettings.mPackages.get(packageName); 13658 final List<String> result = new ArrayList<String>(); 13659 if (ps != null && ps.oldCodePaths != null) { 13660 result.addAll(ps.oldCodePaths); 13661 } 13662 return result; 13663 } 13664 13665 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 13666 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13667 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13668 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13669 + deletedPackage); 13670 13671 String pkgName = deletedPackage.packageName; 13672 boolean deletedPkg = true; 13673 boolean addedPkg = false; 13674 boolean updatedSettings = false; 13675 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13676 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13677 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13678 13679 final long origUpdateTime = (pkg.mExtras != null) 13680 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13681 13682 // First delete the existing package while retaining the data directory 13683 if (!deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13684 res.removedInfo, true, pkg)) { 13685 // If the existing package wasn't successfully deleted 13686 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13687 deletedPkg = false; 13688 } else { 13689 // Successfully deleted the old package; proceed with replace. 13690 13691 // If deleted package lived in a container, give users a chance to 13692 // relinquish resources before killing. 13693 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13694 if (DEBUG_INSTALL) { 13695 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13696 } 13697 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13698 final ArrayList<String> pkgList = new ArrayList<String>(1); 13699 pkgList.add(deletedPackage.applicationInfo.packageName); 13700 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13701 } 13702 13703 deleteCodeCacheDirsLI(pkg); 13704 deleteProfilesLI(pkg, /*destroy*/ false); 13705 13706 try { 13707 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13708 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13709 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13710 13711 // Update the in-memory copy of the previous code paths. 13712 PackageSetting ps = mSettings.mPackages.get(pkgName); 13713 if (!killApp) { 13714 if (ps.oldCodePaths == null) { 13715 ps.oldCodePaths = new ArraySet<>(); 13716 } 13717 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13718 if (deletedPackage.splitCodePaths != null) { 13719 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13720 } 13721 } else { 13722 ps.oldCodePaths = null; 13723 } 13724 if (ps.childPackageNames != null) { 13725 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13726 final String childPkgName = ps.childPackageNames.get(i); 13727 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13728 childPs.oldCodePaths = ps.oldCodePaths; 13729 } 13730 } 13731 prepareAppDataAfterInstall(newPackage); 13732 addedPkg = true; 13733 } catch (PackageManagerException e) { 13734 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13735 } 13736 } 13737 13738 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13739 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13740 13741 // Revert all internal state mutations and added folders for the failed install 13742 if (addedPkg) { 13743 deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13744 res.removedInfo, true, null); 13745 } 13746 13747 // Restore the old package 13748 if (deletedPkg) { 13749 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13750 File restoreFile = new File(deletedPackage.codePath); 13751 // Parse old package 13752 boolean oldExternal = isExternal(deletedPackage); 13753 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13754 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13755 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13756 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13757 try { 13758 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13759 null); 13760 } catch (PackageManagerException e) { 13761 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13762 + e.getMessage()); 13763 return; 13764 } 13765 13766 synchronized (mPackages) { 13767 // Ensure the installer package name up to date 13768 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13769 13770 // Update permissions for restored package 13771 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13772 13773 mSettings.writeLPr(); 13774 } 13775 13776 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13777 } 13778 } else { 13779 synchronized (mPackages) { 13780 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13781 if (ps != null) { 13782 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13783 if (res.removedInfo.removedChildPackages != null) { 13784 final int childCount = res.removedInfo.removedChildPackages.size(); 13785 // Iterate in reverse as we may modify the collection 13786 for (int i = childCount - 1; i >= 0; i--) { 13787 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13788 if (res.addedChildPackages.containsKey(childPackageName)) { 13789 res.removedInfo.removedChildPackages.removeAt(i); 13790 } else { 13791 PackageRemovedInfo childInfo = res.removedInfo 13792 .removedChildPackages.valueAt(i); 13793 childInfo.removedForAllUsers = mPackages.get( 13794 childInfo.removedPackage) == null; 13795 } 13796 } 13797 } 13798 } 13799 } 13800 } 13801 } 13802 13803 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 13804 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13805 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13806 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13807 + ", old=" + deletedPackage); 13808 13809 final boolean disabledSystem; 13810 13811 // Set the system/privileged flags as needed 13812 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13813 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13814 != 0) { 13815 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13816 } 13817 13818 // Kill package processes including services, providers, etc. 13819 killPackage(deletedPackage, "replace sys pkg"); 13820 13821 // Remove existing system package 13822 removePackageLI(deletedPackage, true); 13823 13824 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13825 if (!disabledSystem) { 13826 // We didn't need to disable the .apk as a current system package, 13827 // which means we are replacing another update that is already 13828 // installed. We need to make sure to delete the older one's .apk. 13829 res.removedInfo.args = createInstallArgsForExisting(0, 13830 deletedPackage.applicationInfo.getCodePath(), 13831 deletedPackage.applicationInfo.getResourcePath(), 13832 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13833 } else { 13834 res.removedInfo.args = null; 13835 } 13836 13837 // Successfully disabled the old package. Now proceed with re-installation 13838 deleteCodeCacheDirsLI(pkg); 13839 deleteProfilesLI(pkg, /*destroy*/ false); 13840 13841 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13842 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13843 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13844 13845 PackageParser.Package newPackage = null; 13846 try { 13847 // Add the package to the internal data structures 13848 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13849 13850 // Set the update and install times 13851 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13852 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13853 System.currentTimeMillis()); 13854 13855 // Check for shared user id changes 13856 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13857 deletedPackage, newPackage); 13858 if (invalidPackageName != null) { 13859 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13860 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13861 + " to " + invalidPackageName); 13862 } 13863 13864 // Update the package dynamic state if succeeded 13865 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13866 // Now that the install succeeded make sure we remove data 13867 // directories for any child package the update removed. 13868 final int deletedChildCount = (deletedPackage.childPackages != null) 13869 ? deletedPackage.childPackages.size() : 0; 13870 final int newChildCount = (newPackage.childPackages != null) 13871 ? newPackage.childPackages.size() : 0; 13872 for (int i = 0; i < deletedChildCount; i++) { 13873 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13874 boolean childPackageDeleted = true; 13875 for (int j = 0; j < newChildCount; j++) { 13876 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13877 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13878 childPackageDeleted = false; 13879 break; 13880 } 13881 } 13882 if (childPackageDeleted) { 13883 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13884 deletedChildPkg.packageName); 13885 if (ps != null && res.removedInfo.removedChildPackages != null) { 13886 PackageRemovedInfo removedChildRes = res.removedInfo 13887 .removedChildPackages.get(deletedChildPkg.packageName); 13888 removePackageDataLI(ps, allUsers, removedChildRes, 0, false); 13889 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13890 } 13891 } 13892 } 13893 13894 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13895 prepareAppDataAfterInstall(newPackage); 13896 } 13897 } catch (PackageManagerException e) { 13898 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13899 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13900 } 13901 13902 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13903 // Re installation failed. Restore old information 13904 // Remove new pkg information 13905 if (newPackage != null) { 13906 removeInstalledPackageLI(newPackage, true); 13907 } 13908 // Add back the old system package 13909 try { 13910 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13911 } catch (PackageManagerException e) { 13912 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13913 } 13914 13915 synchronized (mPackages) { 13916 if (disabledSystem) { 13917 enableSystemPackageLPw(deletedPackage); 13918 } 13919 13920 // Ensure the installer package name up to date 13921 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13922 13923 // Update permissions for restored package 13924 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13925 13926 mSettings.writeLPr(); 13927 } 13928 13929 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13930 + " after failed upgrade"); 13931 } 13932 } 13933 13934 /** 13935 * Checks whether the parent or any of the child packages have a change shared 13936 * user. For a package to be a valid update the shred users of the parent and 13937 * the children should match. We may later support changing child shared users. 13938 * @param oldPkg The updated package. 13939 * @param newPkg The update package. 13940 * @return The shared user that change between the versions. 13941 */ 13942 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13943 PackageParser.Package newPkg) { 13944 // Check parent shared user 13945 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13946 return newPkg.packageName; 13947 } 13948 // Check child shared users 13949 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13950 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13951 for (int i = 0; i < newChildCount; i++) { 13952 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13953 // If this child was present, did it have the same shared user? 13954 for (int j = 0; j < oldChildCount; j++) { 13955 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13956 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13957 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13958 return newChildPkg.packageName; 13959 } 13960 } 13961 } 13962 return null; 13963 } 13964 13965 private void removeNativeBinariesLI(PackageSetting ps) { 13966 // Remove the lib path for the parent package 13967 if (ps != null) { 13968 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13969 // Remove the lib path for the child packages 13970 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 13971 for (int i = 0; i < childCount; i++) { 13972 PackageSetting childPs = null; 13973 synchronized (mPackages) { 13974 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 13975 } 13976 if (childPs != null) { 13977 NativeLibraryHelper.removeNativeBinariesLI(childPs 13978 .legacyNativeLibraryPathString); 13979 } 13980 } 13981 } 13982 } 13983 13984 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13985 // Enable the parent package 13986 mSettings.enableSystemPackageLPw(pkg.packageName); 13987 // Enable the child packages 13988 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13989 for (int i = 0; i < childCount; i++) { 13990 PackageParser.Package childPkg = pkg.childPackages.get(i); 13991 mSettings.enableSystemPackageLPw(childPkg.packageName); 13992 } 13993 } 13994 13995 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13996 PackageParser.Package newPkg) { 13997 // Disable the parent package (parent always replaced) 13998 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13999 // Disable the child packages 14000 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14001 for (int i = 0; i < childCount; i++) { 14002 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14003 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14004 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14005 } 14006 return disabled; 14007 } 14008 14009 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14010 String installerPackageName) { 14011 // Enable the parent package 14012 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14013 // Enable the child packages 14014 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14015 for (int i = 0; i < childCount; i++) { 14016 PackageParser.Package childPkg = pkg.childPackages.get(i); 14017 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14018 } 14019 } 14020 14021 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14022 // Collect all used permissions in the UID 14023 ArraySet<String> usedPermissions = new ArraySet<>(); 14024 final int packageCount = su.packages.size(); 14025 for (int i = 0; i < packageCount; i++) { 14026 PackageSetting ps = su.packages.valueAt(i); 14027 if (ps.pkg == null) { 14028 continue; 14029 } 14030 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14031 for (int j = 0; j < requestedPermCount; j++) { 14032 String permission = ps.pkg.requestedPermissions.get(j); 14033 BasePermission bp = mSettings.mPermissions.get(permission); 14034 if (bp != null) { 14035 usedPermissions.add(permission); 14036 } 14037 } 14038 } 14039 14040 PermissionsState permissionsState = su.getPermissionsState(); 14041 // Prune install permissions 14042 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14043 final int installPermCount = installPermStates.size(); 14044 for (int i = installPermCount - 1; i >= 0; i--) { 14045 PermissionState permissionState = installPermStates.get(i); 14046 if (!usedPermissions.contains(permissionState.getName())) { 14047 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14048 if (bp != null) { 14049 permissionsState.revokeInstallPermission(bp); 14050 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14051 PackageManager.MASK_PERMISSION_FLAGS, 0); 14052 } 14053 } 14054 } 14055 14056 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14057 14058 // Prune runtime permissions 14059 for (int userId : allUserIds) { 14060 List<PermissionState> runtimePermStates = permissionsState 14061 .getRuntimePermissionStates(userId); 14062 final int runtimePermCount = runtimePermStates.size(); 14063 for (int i = runtimePermCount - 1; i >= 0; i--) { 14064 PermissionState permissionState = runtimePermStates.get(i); 14065 if (!usedPermissions.contains(permissionState.getName())) { 14066 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14067 if (bp != null) { 14068 permissionsState.revokeRuntimePermission(bp, userId); 14069 permissionsState.updatePermissionFlags(bp, userId, 14070 PackageManager.MASK_PERMISSION_FLAGS, 0); 14071 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14072 runtimePermissionChangedUserIds, userId); 14073 } 14074 } 14075 } 14076 } 14077 14078 return runtimePermissionChangedUserIds; 14079 } 14080 14081 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14082 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14083 // Update the parent package setting 14084 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14085 res, user); 14086 // Update the child packages setting 14087 final int childCount = (newPackage.childPackages != null) 14088 ? newPackage.childPackages.size() : 0; 14089 for (int i = 0; i < childCount; i++) { 14090 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14091 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14092 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14093 childRes.origUsers, childRes, user); 14094 } 14095 } 14096 14097 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14098 String installerPackageName, int[] allUsers, int[] installedForUsers, 14099 PackageInstalledInfo res, UserHandle user) { 14100 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14101 14102 String pkgName = newPackage.packageName; 14103 synchronized (mPackages) { 14104 //write settings. the installStatus will be incomplete at this stage. 14105 //note that the new package setting would have already been 14106 //added to mPackages. It hasn't been persisted yet. 14107 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14108 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14109 mSettings.writeLPr(); 14110 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14111 } 14112 14113 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14114 synchronized (mPackages) { 14115 updatePermissionsLPw(newPackage.packageName, newPackage, 14116 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14117 ? UPDATE_PERMISSIONS_ALL : 0)); 14118 // For system-bundled packages, we assume that installing an upgraded version 14119 // of the package implies that the user actually wants to run that new code, 14120 // so we enable the package. 14121 PackageSetting ps = mSettings.mPackages.get(pkgName); 14122 final int userId = user.getIdentifier(); 14123 if (ps != null) { 14124 if (isSystemApp(newPackage)) { 14125 if (DEBUG_INSTALL) { 14126 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14127 } 14128 // Enable system package for requested users 14129 if (res.origUsers != null) { 14130 for (int origUserId : res.origUsers) { 14131 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14132 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14133 origUserId, installerPackageName); 14134 } 14135 } 14136 } 14137 // Also convey the prior install/uninstall state 14138 if (allUsers != null && installedForUsers != null) { 14139 for (int currentUserId : allUsers) { 14140 final boolean installed = ArrayUtils.contains( 14141 installedForUsers, currentUserId); 14142 if (DEBUG_INSTALL) { 14143 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14144 } 14145 ps.setInstalled(installed, currentUserId); 14146 } 14147 // these install state changes will be persisted in the 14148 // upcoming call to mSettings.writeLPr(). 14149 } 14150 } 14151 // It's implied that when a user requests installation, they want the app to be 14152 // installed and enabled. 14153 if (userId != UserHandle.USER_ALL) { 14154 ps.setInstalled(true, userId); 14155 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14156 } 14157 } 14158 res.name = pkgName; 14159 res.uid = newPackage.applicationInfo.uid; 14160 res.pkg = newPackage; 14161 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14162 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14163 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14164 //to update install status 14165 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14166 mSettings.writeLPr(); 14167 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14168 } 14169 14170 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14171 } 14172 14173 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14174 try { 14175 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14176 installPackageLI(args, res); 14177 } finally { 14178 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14179 } 14180 } 14181 14182 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14183 final int installFlags = args.installFlags; 14184 final String installerPackageName = args.installerPackageName; 14185 final String volumeUuid = args.volumeUuid; 14186 final File tmpPackageFile = new File(args.getCodePath()); 14187 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14188 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14189 || (args.volumeUuid != null)); 14190 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14191 boolean replace = false; 14192 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14193 if (args.move != null) { 14194 // moving a complete application; perform an initial scan on the new install location 14195 scanFlags |= SCAN_INITIAL; 14196 } 14197 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14198 scanFlags |= SCAN_DONT_KILL_APP; 14199 } 14200 14201 // Result object to be returned 14202 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14203 14204 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14205 14206 // Sanity check 14207 if (ephemeral && (forwardLocked || onExternal)) { 14208 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14209 + " external=" + onExternal); 14210 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14211 return; 14212 } 14213 14214 // Retrieve PackageSettings and parse package 14215 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14216 | PackageParser.PARSE_ENFORCE_CODE 14217 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14218 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14219 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 14220 PackageParser pp = new PackageParser(); 14221 pp.setSeparateProcesses(mSeparateProcesses); 14222 pp.setDisplayMetrics(mMetrics); 14223 14224 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14225 final PackageParser.Package pkg; 14226 try { 14227 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14228 } catch (PackageParserException e) { 14229 res.setError("Failed parse during installPackageLI", e); 14230 return; 14231 } finally { 14232 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14233 } 14234 14235 // If we are installing a clustered package add results for the children 14236 if (pkg.childPackages != null) { 14237 synchronized (mPackages) { 14238 final int childCount = pkg.childPackages.size(); 14239 for (int i = 0; i < childCount; i++) { 14240 PackageParser.Package childPkg = pkg.childPackages.get(i); 14241 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14242 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14243 childRes.pkg = childPkg; 14244 childRes.name = childPkg.packageName; 14245 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14246 if (childPs != null) { 14247 childRes.origUsers = childPs.queryInstalledUsers( 14248 sUserManager.getUserIds(), true); 14249 } 14250 if ((mPackages.containsKey(childPkg.packageName))) { 14251 childRes.removedInfo = new PackageRemovedInfo(); 14252 childRes.removedInfo.removedPackage = childPkg.packageName; 14253 } 14254 if (res.addedChildPackages == null) { 14255 res.addedChildPackages = new ArrayMap<>(); 14256 } 14257 res.addedChildPackages.put(childPkg.packageName, childRes); 14258 } 14259 } 14260 } 14261 14262 // If package doesn't declare API override, mark that we have an install 14263 // time CPU ABI override. 14264 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14265 pkg.cpuAbiOverride = args.abiOverride; 14266 } 14267 14268 String pkgName = res.name = pkg.packageName; 14269 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14270 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14271 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14272 return; 14273 } 14274 } 14275 14276 try { 14277 PackageParser.collectCertificates(pkg, parseFlags); 14278 } catch (PackageParserException e) { 14279 res.setError("Failed collect during installPackageLI", e); 14280 return; 14281 } 14282 14283 // Get rid of all references to package scan path via parser. 14284 pp = null; 14285 String oldCodePath = null; 14286 boolean systemApp = false; 14287 synchronized (mPackages) { 14288 // Check if installing already existing package 14289 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14290 String oldName = mSettings.mRenamedPackages.get(pkgName); 14291 if (pkg.mOriginalPackages != null 14292 && pkg.mOriginalPackages.contains(oldName) 14293 && mPackages.containsKey(oldName)) { 14294 // This package is derived from an original package, 14295 // and this device has been updating from that original 14296 // name. We must continue using the original name, so 14297 // rename the new package here. 14298 pkg.setPackageName(oldName); 14299 pkgName = pkg.packageName; 14300 replace = true; 14301 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14302 + oldName + " pkgName=" + pkgName); 14303 } else if (mPackages.containsKey(pkgName)) { 14304 // This package, under its official name, already exists 14305 // on the device; we should replace it. 14306 replace = true; 14307 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14308 } 14309 14310 // Child packages are installed through the parent package 14311 if (pkg.parentPackage != null) { 14312 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14313 "Package " + pkg.packageName + " is child of package " 14314 + pkg.parentPackage.parentPackage + ". Child packages " 14315 + "can be updated only through the parent package."); 14316 return; 14317 } 14318 14319 if (replace) { 14320 // Prevent apps opting out from runtime permissions 14321 PackageParser.Package oldPackage = mPackages.get(pkgName); 14322 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14323 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14324 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14325 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14326 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14327 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14328 + " doesn't support runtime permissions but the old" 14329 + " target SDK " + oldTargetSdk + " does."); 14330 return; 14331 } 14332 14333 // Prevent installing of child packages 14334 if (oldPackage.parentPackage != null) { 14335 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14336 "Package " + pkg.packageName + " is child of package " 14337 + oldPackage.parentPackage + ". Child packages " 14338 + "can be updated only through the parent package."); 14339 return; 14340 } 14341 } 14342 } 14343 14344 PackageSetting ps = mSettings.mPackages.get(pkgName); 14345 if (ps != null) { 14346 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14347 14348 // Quick sanity check that we're signed correctly if updating; 14349 // we'll check this again later when scanning, but we want to 14350 // bail early here before tripping over redefined permissions. 14351 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14352 if (!checkUpgradeKeySetLP(ps, pkg)) { 14353 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14354 + pkg.packageName + " upgrade keys do not match the " 14355 + "previously installed version"); 14356 return; 14357 } 14358 } else { 14359 try { 14360 verifySignaturesLP(ps, pkg); 14361 } catch (PackageManagerException e) { 14362 res.setError(e.error, e.getMessage()); 14363 return; 14364 } 14365 } 14366 14367 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14368 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14369 systemApp = (ps.pkg.applicationInfo.flags & 14370 ApplicationInfo.FLAG_SYSTEM) != 0; 14371 } 14372 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14373 } 14374 14375 // Check whether the newly-scanned package wants to define an already-defined perm 14376 int N = pkg.permissions.size(); 14377 for (int i = N-1; i >= 0; i--) { 14378 PackageParser.Permission perm = pkg.permissions.get(i); 14379 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14380 if (bp != null) { 14381 // If the defining package is signed with our cert, it's okay. This 14382 // also includes the "updating the same package" case, of course. 14383 // "updating same package" could also involve key-rotation. 14384 final boolean sigsOk; 14385 if (bp.sourcePackage.equals(pkg.packageName) 14386 && (bp.packageSetting instanceof PackageSetting) 14387 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14388 scanFlags))) { 14389 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14390 } else { 14391 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14392 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14393 } 14394 if (!sigsOk) { 14395 // If the owning package is the system itself, we log but allow 14396 // install to proceed; we fail the install on all other permission 14397 // redefinitions. 14398 if (!bp.sourcePackage.equals("android")) { 14399 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14400 + pkg.packageName + " attempting to redeclare permission " 14401 + perm.info.name + " already owned by " + bp.sourcePackage); 14402 res.origPermission = perm.info.name; 14403 res.origPackage = bp.sourcePackage; 14404 return; 14405 } else { 14406 Slog.w(TAG, "Package " + pkg.packageName 14407 + " attempting to redeclare system permission " 14408 + perm.info.name + "; ignoring new declaration"); 14409 pkg.permissions.remove(i); 14410 } 14411 } 14412 } 14413 } 14414 } 14415 14416 if (systemApp) { 14417 if (onExternal) { 14418 // Abort update; system app can't be replaced with app on sdcard 14419 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14420 "Cannot install updates to system apps on sdcard"); 14421 return; 14422 } else if (ephemeral) { 14423 // Abort update; system app can't be replaced with an ephemeral app 14424 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14425 "Cannot update a system app with an ephemeral app"); 14426 return; 14427 } 14428 } 14429 14430 if (args.move != null) { 14431 // We did an in-place move, so dex is ready to roll 14432 scanFlags |= SCAN_NO_DEX; 14433 scanFlags |= SCAN_MOVE; 14434 14435 synchronized (mPackages) { 14436 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14437 if (ps == null) { 14438 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14439 "Missing settings for moved package " + pkgName); 14440 } 14441 14442 // We moved the entire application as-is, so bring over the 14443 // previously derived ABI information. 14444 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14445 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14446 } 14447 14448 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14449 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14450 scanFlags |= SCAN_NO_DEX; 14451 14452 try { 14453 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14454 args.abiOverride : pkg.cpuAbiOverride); 14455 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14456 true /* extract libs */); 14457 } catch (PackageManagerException pme) { 14458 Slog.e(TAG, "Error deriving application ABI", pme); 14459 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14460 return; 14461 } 14462 14463 14464 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14465 // Do not run PackageDexOptimizer through the local performDexOpt 14466 // method because `pkg` is not in `mPackages` yet. 14467 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 14468 false /* checkProfiles */, getCompilerFilterForReason(REASON_INSTALL)); 14469 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14470 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14471 String msg = "Extracking package failed for " + pkgName; 14472 res.setError(INSTALL_FAILED_DEXOPT, msg); 14473 return; 14474 } 14475 } 14476 14477 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14478 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14479 return; 14480 } 14481 14482 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14483 14484 if (replace) { 14485 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14486 installerPackageName, res); 14487 } else { 14488 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14489 args.user, installerPackageName, volumeUuid, res); 14490 } 14491 synchronized (mPackages) { 14492 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14493 if (ps != null) { 14494 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14495 } 14496 14497 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14498 for (int i = 0; i < childCount; i++) { 14499 PackageParser.Package childPkg = pkg.childPackages.get(i); 14500 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14501 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14502 if (childPs != null) { 14503 childRes.newUsers = childPs.queryInstalledUsers( 14504 sUserManager.getUserIds(), true); 14505 } 14506 } 14507 } 14508 } 14509 14510 private void startIntentFilterVerifications(int userId, boolean replacing, 14511 PackageParser.Package pkg) { 14512 if (mIntentFilterVerifierComponent == null) { 14513 Slog.w(TAG, "No IntentFilter verification will not be done as " 14514 + "there is no IntentFilterVerifier available!"); 14515 return; 14516 } 14517 14518 final int verifierUid = getPackageUid( 14519 mIntentFilterVerifierComponent.getPackageName(), 14520 MATCH_DEBUG_TRIAGED_MISSING, 14521 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14522 14523 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14524 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14525 mHandler.sendMessage(msg); 14526 14527 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14528 for (int i = 0; i < childCount; i++) { 14529 PackageParser.Package childPkg = pkg.childPackages.get(i); 14530 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14531 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14532 mHandler.sendMessage(msg); 14533 } 14534 } 14535 14536 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14537 PackageParser.Package pkg) { 14538 int size = pkg.activities.size(); 14539 if (size == 0) { 14540 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14541 "No activity, so no need to verify any IntentFilter!"); 14542 return; 14543 } 14544 14545 final boolean hasDomainURLs = hasDomainURLs(pkg); 14546 if (!hasDomainURLs) { 14547 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14548 "No domain URLs, so no need to verify any IntentFilter!"); 14549 return; 14550 } 14551 14552 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14553 + " if any IntentFilter from the " + size 14554 + " Activities needs verification ..."); 14555 14556 int count = 0; 14557 final String packageName = pkg.packageName; 14558 14559 synchronized (mPackages) { 14560 // If this is a new install and we see that we've already run verification for this 14561 // package, we have nothing to do: it means the state was restored from backup. 14562 if (!replacing) { 14563 IntentFilterVerificationInfo ivi = 14564 mSettings.getIntentFilterVerificationLPr(packageName); 14565 if (ivi != null) { 14566 if (DEBUG_DOMAIN_VERIFICATION) { 14567 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14568 + ivi.getStatusString()); 14569 } 14570 return; 14571 } 14572 } 14573 14574 // If any filters need to be verified, then all need to be. 14575 boolean needToVerify = false; 14576 for (PackageParser.Activity a : pkg.activities) { 14577 for (ActivityIntentInfo filter : a.intents) { 14578 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14579 if (DEBUG_DOMAIN_VERIFICATION) { 14580 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14581 } 14582 needToVerify = true; 14583 break; 14584 } 14585 } 14586 } 14587 14588 if (needToVerify) { 14589 final int verificationId = mIntentFilterVerificationToken++; 14590 for (PackageParser.Activity a : pkg.activities) { 14591 for (ActivityIntentInfo filter : a.intents) { 14592 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14593 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14594 "Verification needed for IntentFilter:" + filter.toString()); 14595 mIntentFilterVerifier.addOneIntentFilterVerification( 14596 verifierUid, userId, verificationId, filter, packageName); 14597 count++; 14598 } 14599 } 14600 } 14601 } 14602 } 14603 14604 if (count > 0) { 14605 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14606 + " IntentFilter verification" + (count > 1 ? "s" : "") 14607 + " for userId:" + userId); 14608 mIntentFilterVerifier.startVerifications(userId); 14609 } else { 14610 if (DEBUG_DOMAIN_VERIFICATION) { 14611 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14612 } 14613 } 14614 } 14615 14616 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14617 final ComponentName cn = filter.activity.getComponentName(); 14618 final String packageName = cn.getPackageName(); 14619 14620 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14621 packageName); 14622 if (ivi == null) { 14623 return true; 14624 } 14625 int status = ivi.getStatus(); 14626 switch (status) { 14627 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14628 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14629 return true; 14630 14631 default: 14632 // Nothing to do 14633 return false; 14634 } 14635 } 14636 14637 private static boolean isMultiArch(ApplicationInfo info) { 14638 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14639 } 14640 14641 private static boolean isExternal(PackageParser.Package pkg) { 14642 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14643 } 14644 14645 private static boolean isExternal(PackageSetting ps) { 14646 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14647 } 14648 14649 private static boolean isEphemeral(PackageParser.Package pkg) { 14650 return pkg.applicationInfo.isEphemeralApp(); 14651 } 14652 14653 private static boolean isEphemeral(PackageSetting ps) { 14654 return ps.pkg != null && isEphemeral(ps.pkg); 14655 } 14656 14657 private static boolean isSystemApp(PackageParser.Package pkg) { 14658 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14659 } 14660 14661 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14662 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14663 } 14664 14665 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14666 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14667 } 14668 14669 private static boolean isSystemApp(PackageSetting ps) { 14670 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14671 } 14672 14673 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14674 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14675 } 14676 14677 private int packageFlagsToInstallFlags(PackageSetting ps) { 14678 int installFlags = 0; 14679 if (isEphemeral(ps)) { 14680 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14681 } 14682 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14683 // This existing package was an external ASEC install when we have 14684 // the external flag without a UUID 14685 installFlags |= PackageManager.INSTALL_EXTERNAL; 14686 } 14687 if (ps.isForwardLocked()) { 14688 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14689 } 14690 return installFlags; 14691 } 14692 14693 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14694 if (isExternal(pkg)) { 14695 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14696 return StorageManager.UUID_PRIMARY_PHYSICAL; 14697 } else { 14698 return pkg.volumeUuid; 14699 } 14700 } else { 14701 return StorageManager.UUID_PRIVATE_INTERNAL; 14702 } 14703 } 14704 14705 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14706 if (isExternal(pkg)) { 14707 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14708 return mSettings.getExternalVersion(); 14709 } else { 14710 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14711 } 14712 } else { 14713 return mSettings.getInternalVersion(); 14714 } 14715 } 14716 14717 private void deleteTempPackageFiles() { 14718 final FilenameFilter filter = new FilenameFilter() { 14719 public boolean accept(File dir, String name) { 14720 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14721 } 14722 }; 14723 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14724 file.delete(); 14725 } 14726 } 14727 14728 @Override 14729 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14730 int flags) { 14731 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14732 flags); 14733 } 14734 14735 @Override 14736 public void deletePackage(final String packageName, 14737 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 14738 mContext.enforceCallingOrSelfPermission( 14739 android.Manifest.permission.DELETE_PACKAGES, null); 14740 Preconditions.checkNotNull(packageName); 14741 Preconditions.checkNotNull(observer); 14742 final int uid = Binder.getCallingUid(); 14743 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 14744 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14745 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14746 mContext.enforceCallingOrSelfPermission( 14747 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14748 "deletePackage for user " + userId); 14749 } 14750 14751 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14752 try { 14753 observer.onPackageDeleted(packageName, 14754 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14755 } catch (RemoteException re) { 14756 } 14757 return; 14758 } 14759 14760 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 14761 try { 14762 observer.onPackageDeleted(packageName, 14763 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14764 } catch (RemoteException re) { 14765 } 14766 return; 14767 } 14768 14769 if (DEBUG_REMOVE) { 14770 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 14771 + " deleteAllUsers: " + deleteAllUsers ); 14772 } 14773 // Queue up an async operation since the package deletion may take a little while. 14774 mHandler.post(new Runnable() { 14775 public void run() { 14776 mHandler.removeCallbacks(this); 14777 int returnCode; 14778 if (!deleteAllUsers) { 14779 returnCode = deletePackageX(packageName, userId, flags); 14780 } else { 14781 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 14782 // If nobody is blocking uninstall, proceed with delete for all users 14783 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 14784 returnCode = deletePackageX(packageName, userId, flags); 14785 } else { 14786 // Otherwise uninstall individually for users with blockUninstalls=false 14787 final int userFlags = flags & ~PackageManager.DELETE_ALL_USERS; 14788 for (int userId : users) { 14789 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 14790 returnCode = deletePackageX(packageName, userId, userFlags); 14791 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 14792 Slog.w(TAG, "Package delete failed for user " + userId 14793 + ", returnCode " + returnCode); 14794 } 14795 } 14796 } 14797 // The app has only been marked uninstalled for certain users. 14798 // We still need to report that delete was blocked 14799 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 14800 } 14801 } 14802 try { 14803 observer.onPackageDeleted(packageName, returnCode, null); 14804 } catch (RemoteException e) { 14805 Log.i(TAG, "Observer no longer exists."); 14806 } //end catch 14807 } //end run 14808 }); 14809 } 14810 14811 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 14812 int[] result = EMPTY_INT_ARRAY; 14813 for (int userId : userIds) { 14814 if (getBlockUninstallForUser(packageName, userId)) { 14815 result = ArrayUtils.appendInt(result, userId); 14816 } 14817 } 14818 return result; 14819 } 14820 14821 @Override 14822 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14823 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14824 } 14825 14826 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14827 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14828 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14829 try { 14830 if (dpm != null) { 14831 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14832 /* callingUserOnly =*/ false); 14833 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14834 : deviceOwnerComponentName.getPackageName(); 14835 // Does the package contains the device owner? 14836 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14837 // this check is probably not needed, since DO should be registered as a device 14838 // admin on some user too. (Original bug for this: b/17657954) 14839 if (packageName.equals(deviceOwnerPackageName)) { 14840 return true; 14841 } 14842 // Does it contain a device admin for any user? 14843 int[] users; 14844 if (userId == UserHandle.USER_ALL) { 14845 users = sUserManager.getUserIds(); 14846 } else { 14847 users = new int[]{userId}; 14848 } 14849 for (int i = 0; i < users.length; ++i) { 14850 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14851 return true; 14852 } 14853 } 14854 } 14855 } catch (RemoteException e) { 14856 } 14857 return false; 14858 } 14859 14860 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14861 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14862 } 14863 14864 /** 14865 * This method is an internal method that could be get invoked either 14866 * to delete an installed package or to clean up a failed installation. 14867 * After deleting an installed package, a broadcast is sent to notify any 14868 * listeners that the package has been installed. For cleaning up a failed 14869 * installation, the broadcast is not necessary since the package's 14870 * installation wouldn't have sent the initial broadcast either 14871 * The key steps in deleting a package are 14872 * deleting the package information in internal structures like mPackages, 14873 * deleting the packages base directories through installd 14874 * updating mSettings to reflect current status 14875 * persisting settings for later use 14876 * sending a broadcast if necessary 14877 */ 14878 private int deletePackageX(String packageName, int userId, int flags) { 14879 final PackageRemovedInfo info = new PackageRemovedInfo(); 14880 final boolean res; 14881 14882 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 14883 ? UserHandle.ALL : new UserHandle(userId); 14884 14885 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14886 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14887 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14888 } 14889 14890 PackageSetting uninstalledPs = null; 14891 14892 // for the uninstall-updates case and restricted profiles, remember the per- 14893 // user handle installed state 14894 int[] allUsers; 14895 synchronized (mPackages) { 14896 uninstalledPs = mSettings.mPackages.get(packageName); 14897 if (uninstalledPs == null) { 14898 Slog.w(TAG, "Not removing non-existent package " + packageName); 14899 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14900 } 14901 allUsers = sUserManager.getUserIds(); 14902 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14903 } 14904 14905 synchronized (mInstallLock) { 14906 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14907 res = deletePackageLI(packageName, removeForUser, true, allUsers, 14908 flags | REMOVE_CHATTY, info, true, null); 14909 synchronized (mPackages) { 14910 if (res) { 14911 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14912 } 14913 } 14914 } 14915 14916 if (res) { 14917 final boolean killApp = (flags & PackageManager.INSTALL_DONT_KILL_APP) == 0; 14918 info.sendPackageRemovedBroadcasts(killApp); 14919 info.sendSystemPackageUpdatedBroadcasts(); 14920 info.sendSystemPackageAppearedBroadcasts(); 14921 } 14922 // Force a gc here. 14923 Runtime.getRuntime().gc(); 14924 // Delete the resources here after sending the broadcast to let 14925 // other processes clean up before deleting resources. 14926 if (info.args != null) { 14927 synchronized (mInstallLock) { 14928 info.args.doPostDeleteLI(true); 14929 } 14930 } 14931 14932 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14933 } 14934 14935 class PackageRemovedInfo { 14936 String removedPackage; 14937 int uid = -1; 14938 int removedAppId = -1; 14939 int[] origUsers; 14940 int[] removedUsers = null; 14941 boolean isRemovedPackageSystemUpdate = false; 14942 boolean isUpdate; 14943 boolean dataRemoved; 14944 boolean removedForAllUsers; 14945 // Clean up resources deleted packages. 14946 InstallArgs args = null; 14947 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 14948 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 14949 14950 void sendPackageRemovedBroadcasts(boolean killApp) { 14951 sendPackageRemovedBroadcastInternal(killApp); 14952 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 14953 for (int i = 0; i < childCount; i++) { 14954 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14955 childInfo.sendPackageRemovedBroadcastInternal(killApp); 14956 } 14957 } 14958 14959 void sendSystemPackageUpdatedBroadcasts() { 14960 if (isRemovedPackageSystemUpdate) { 14961 sendSystemPackageUpdatedBroadcastsInternal(); 14962 final int childCount = (removedChildPackages != null) 14963 ? removedChildPackages.size() : 0; 14964 for (int i = 0; i < childCount; i++) { 14965 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14966 if (childInfo.isRemovedPackageSystemUpdate) { 14967 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 14968 } 14969 } 14970 } 14971 } 14972 14973 void sendSystemPackageAppearedBroadcasts() { 14974 final int packageCount = (appearedChildPackages != null) 14975 ? appearedChildPackages.size() : 0; 14976 for (int i = 0; i < packageCount; i++) { 14977 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 14978 for (int userId : installedInfo.newUsers) { 14979 sendPackageAddedForUser(installedInfo.name, true, 14980 UserHandle.getAppId(installedInfo.uid), userId); 14981 } 14982 } 14983 } 14984 14985 private void sendSystemPackageUpdatedBroadcastsInternal() { 14986 Bundle extras = new Bundle(2); 14987 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14988 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14989 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 14990 extras, 0, null, null, null); 14991 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 14992 extras, 0, null, null, null); 14993 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14994 null, 0, removedPackage, null, null); 14995 } 14996 14997 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 14998 Bundle extras = new Bundle(2); 14999 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15000 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15001 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15002 if (isUpdate || isRemovedPackageSystemUpdate) { 15003 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15004 } 15005 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15006 if (removedPackage != null) { 15007 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15008 extras, 0, null, null, removedUsers); 15009 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15010 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15011 removedPackage, extras, 0, null, null, removedUsers); 15012 } 15013 } 15014 if (removedAppId >= 0) { 15015 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15016 removedUsers); 15017 } 15018 } 15019 } 15020 15021 /* 15022 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15023 * flag is not set, the data directory is removed as well. 15024 * make sure this flag is set for partially installed apps. If not its meaningless to 15025 * delete a partially installed application. 15026 */ 15027 private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, 15028 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15029 String packageName = ps.name; 15030 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15031 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 15032 // Retrieve object to delete permissions for shared user later on 15033 final PackageSetting deletedPs; 15034 // reader 15035 synchronized (mPackages) { 15036 deletedPs = mSettings.mPackages.get(packageName); 15037 if (outInfo != null) { 15038 outInfo.removedPackage = packageName; 15039 outInfo.removedUsers = deletedPs != null 15040 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15041 : null; 15042 } 15043 } 15044 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15045 removeDataDirsLI(ps.volumeUuid, packageName); 15046 if (outInfo != null) { 15047 outInfo.dataRemoved = true; 15048 } 15049 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15050 } 15051 // writer 15052 synchronized (mPackages) { 15053 if (deletedPs != null) { 15054 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15055 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15056 clearDefaultBrowserIfNeeded(packageName); 15057 if (outInfo != null) { 15058 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15059 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15060 } 15061 updatePermissionsLPw(deletedPs.name, null, 0); 15062 if (deletedPs.sharedUser != null) { 15063 // Remove permissions associated with package. Since runtime 15064 // permissions are per user we have to kill the removed package 15065 // or packages running under the shared user of the removed 15066 // package if revoking the permissions requested only by the removed 15067 // package is successful and this causes a change in gids. 15068 for (int userId : UserManagerService.getInstance().getUserIds()) { 15069 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15070 userId); 15071 if (userIdToKill == UserHandle.USER_ALL 15072 || userIdToKill >= UserHandle.USER_SYSTEM) { 15073 // If gids changed for this user, kill all affected packages. 15074 mHandler.post(new Runnable() { 15075 @Override 15076 public void run() { 15077 // This has to happen with no lock held. 15078 killApplication(deletedPs.name, deletedPs.appId, 15079 KILL_APP_REASON_GIDS_CHANGED); 15080 } 15081 }); 15082 break; 15083 } 15084 } 15085 } 15086 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15087 } 15088 // make sure to preserve per-user disabled state if this removal was just 15089 // a downgrade of a system app to the factory package 15090 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15091 if (DEBUG_REMOVE) { 15092 Slog.d(TAG, "Propagating install state across downgrade"); 15093 } 15094 for (int userId : allUserHandles) { 15095 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15096 if (DEBUG_REMOVE) { 15097 Slog.d(TAG, " user " + userId + " => " + installed); 15098 } 15099 ps.setInstalled(installed, userId); 15100 } 15101 } 15102 } 15103 // can downgrade to reader 15104 if (writeSettings) { 15105 // Save settings now 15106 mSettings.writeLPr(); 15107 } 15108 } 15109 if (outInfo != null) { 15110 // A user ID was deleted here. Go through all users and remove it 15111 // from KeyStore. 15112 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15113 } 15114 } 15115 15116 static boolean locationIsPrivileged(File path) { 15117 try { 15118 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15119 .getCanonicalPath(); 15120 return path.getCanonicalPath().startsWith(privilegedAppDir); 15121 } catch (IOException e) { 15122 Slog.e(TAG, "Unable to access code path " + path); 15123 } 15124 return false; 15125 } 15126 15127 /* 15128 * Tries to delete system package. 15129 */ 15130 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 15131 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15132 boolean writeSettings) { 15133 if (deletedPs.parentPackageName != null) { 15134 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15135 return false; 15136 } 15137 15138 final boolean applyUserRestrictions 15139 = (allUserHandles != null) && (outInfo.origUsers != null); 15140 final PackageSetting disabledPs; 15141 // Confirm if the system package has been updated 15142 // An updated system app can be deleted. This will also have to restore 15143 // the system pkg from system partition 15144 // reader 15145 synchronized (mPackages) { 15146 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15147 } 15148 15149 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15150 + " disabledPs=" + disabledPs); 15151 15152 if (disabledPs == null) { 15153 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15154 return false; 15155 } else if (DEBUG_REMOVE) { 15156 Slog.d(TAG, "Deleting system pkg from data partition"); 15157 } 15158 15159 if (DEBUG_REMOVE) { 15160 if (applyUserRestrictions) { 15161 Slog.d(TAG, "Remembering install states:"); 15162 for (int userId : allUserHandles) { 15163 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15164 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15165 } 15166 } 15167 } 15168 15169 // Delete the updated package 15170 outInfo.isRemovedPackageSystemUpdate = true; 15171 if (outInfo.removedChildPackages != null) { 15172 final int childCount = (deletedPs.childPackageNames != null) 15173 ? deletedPs.childPackageNames.size() : 0; 15174 for (int i = 0; i < childCount; i++) { 15175 String childPackageName = deletedPs.childPackageNames.get(i); 15176 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15177 .contains(childPackageName)) { 15178 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15179 childPackageName); 15180 if (childInfo != null) { 15181 childInfo.isRemovedPackageSystemUpdate = true; 15182 } 15183 } 15184 } 15185 } 15186 15187 if (disabledPs.versionCode < deletedPs.versionCode) { 15188 // Delete data for downgrades 15189 flags &= ~PackageManager.DELETE_KEEP_DATA; 15190 } else { 15191 // Preserve data by setting flag 15192 flags |= PackageManager.DELETE_KEEP_DATA; 15193 } 15194 15195 boolean ret = deleteInstalledPackageLI(deletedPs, true, flags, allUserHandles, 15196 outInfo, writeSettings, disabledPs.pkg); 15197 if (!ret) { 15198 return false; 15199 } 15200 15201 // writer 15202 synchronized (mPackages) { 15203 // Reinstate the old system package 15204 enableSystemPackageLPw(disabledPs.pkg); 15205 // Remove any native libraries from the upgraded package. 15206 removeNativeBinariesLI(deletedPs); 15207 } 15208 15209 // Install the system package 15210 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15211 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 15212 if (locationIsPrivileged(disabledPs.codePath)) { 15213 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15214 } 15215 15216 final PackageParser.Package newPkg; 15217 try { 15218 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15219 } catch (PackageManagerException e) { 15220 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15221 + e.getMessage()); 15222 return false; 15223 } 15224 15225 prepareAppDataAfterInstall(newPkg); 15226 15227 // writer 15228 synchronized (mPackages) { 15229 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15230 15231 // Propagate the permissions state as we do not want to drop on the floor 15232 // runtime permissions. The update permissions method below will take 15233 // care of removing obsolete permissions and grant install permissions. 15234 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15235 updatePermissionsLPw(newPkg.packageName, newPkg, 15236 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15237 15238 if (applyUserRestrictions) { 15239 if (DEBUG_REMOVE) { 15240 Slog.d(TAG, "Propagating install state across reinstall"); 15241 } 15242 for (int userId : allUserHandles) { 15243 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15244 if (DEBUG_REMOVE) { 15245 Slog.d(TAG, " user " + userId + " => " + installed); 15246 } 15247 ps.setInstalled(installed, userId); 15248 15249 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15250 } 15251 // Regardless of writeSettings we need to ensure that this restriction 15252 // state propagation is persisted 15253 mSettings.writeAllUsersPackageRestrictionsLPr(); 15254 } 15255 // can downgrade to reader here 15256 if (writeSettings) { 15257 mSettings.writeLPr(); 15258 } 15259 } 15260 return true; 15261 } 15262 15263 private boolean deleteInstalledPackageLI(PackageSetting ps, 15264 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15265 PackageRemovedInfo outInfo, boolean writeSettings, 15266 PackageParser.Package replacingPackage) { 15267 synchronized (mPackages) { 15268 if (outInfo != null) { 15269 outInfo.uid = ps.appId; 15270 } 15271 15272 if (outInfo != null && outInfo.removedChildPackages != null) { 15273 final int childCount = (ps.childPackageNames != null) 15274 ? ps.childPackageNames.size() : 0; 15275 for (int i = 0; i < childCount; i++) { 15276 String childPackageName = ps.childPackageNames.get(i); 15277 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15278 if (childPs == null) { 15279 return false; 15280 } 15281 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15282 childPackageName); 15283 if (childInfo != null) { 15284 childInfo.uid = childPs.appId; 15285 } 15286 } 15287 } 15288 } 15289 15290 // Delete package data from internal structures and also remove data if flag is set 15291 removePackageDataLI(ps, allUserHandles, outInfo, flags, writeSettings); 15292 15293 // Delete the child packages data 15294 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15295 for (int i = 0; i < childCount; i++) { 15296 PackageSetting childPs; 15297 synchronized (mPackages) { 15298 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15299 } 15300 if (childPs != null) { 15301 PackageRemovedInfo childOutInfo = (outInfo != null 15302 && outInfo.removedChildPackages != null) 15303 ? outInfo.removedChildPackages.get(childPs.name) : null; 15304 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15305 && (replacingPackage != null 15306 && !replacingPackage.hasChildPackage(childPs.name)) 15307 ? flags & ~DELETE_KEEP_DATA : flags; 15308 removePackageDataLI(childPs, allUserHandles, childOutInfo, 15309 deleteFlags, writeSettings); 15310 } 15311 } 15312 15313 // Delete application code and resources only for parent packages 15314 if (ps.parentPackageName == null) { 15315 if (deleteCodeAndResources && (outInfo != null)) { 15316 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15317 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15318 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15319 } 15320 } 15321 15322 return true; 15323 } 15324 15325 @Override 15326 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15327 int userId) { 15328 mContext.enforceCallingOrSelfPermission( 15329 android.Manifest.permission.DELETE_PACKAGES, null); 15330 synchronized (mPackages) { 15331 PackageSetting ps = mSettings.mPackages.get(packageName); 15332 if (ps == null) { 15333 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15334 return false; 15335 } 15336 if (!ps.getInstalled(userId)) { 15337 // Can't block uninstall for an app that is not installed or enabled. 15338 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15339 return false; 15340 } 15341 ps.setBlockUninstall(blockUninstall, userId); 15342 mSettings.writePackageRestrictionsLPr(userId); 15343 } 15344 return true; 15345 } 15346 15347 @Override 15348 public boolean getBlockUninstallForUser(String packageName, int userId) { 15349 synchronized (mPackages) { 15350 PackageSetting ps = mSettings.mPackages.get(packageName); 15351 if (ps == null) { 15352 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15353 return false; 15354 } 15355 return ps.getBlockUninstall(userId); 15356 } 15357 } 15358 15359 @Override 15360 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15361 int callingUid = Binder.getCallingUid(); 15362 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15363 throw new SecurityException( 15364 "setRequiredForSystemUser can only be run by the system or root"); 15365 } 15366 synchronized (mPackages) { 15367 PackageSetting ps = mSettings.mPackages.get(packageName); 15368 if (ps == null) { 15369 Log.w(TAG, "Package doesn't exist: " + packageName); 15370 return false; 15371 } 15372 if (systemUserApp) { 15373 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15374 } else { 15375 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15376 } 15377 mSettings.writeLPr(); 15378 } 15379 return true; 15380 } 15381 15382 /* 15383 * This method handles package deletion in general 15384 */ 15385 private boolean deletePackageLI(String packageName, UserHandle user, 15386 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15387 PackageRemovedInfo outInfo, boolean writeSettings, 15388 PackageParser.Package replacingPackage) { 15389 if (packageName == null) { 15390 Slog.w(TAG, "Attempt to delete null packageName."); 15391 return false; 15392 } 15393 15394 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15395 15396 PackageSetting ps; 15397 15398 synchronized (mPackages) { 15399 ps = mSettings.mPackages.get(packageName); 15400 if (ps == null) { 15401 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15402 return false; 15403 } 15404 15405 if (ps.parentPackageName != null && (!isSystemApp(ps) 15406 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15407 if (DEBUG_REMOVE) { 15408 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15409 + ((user == null) ? UserHandle.USER_ALL : user)); 15410 } 15411 final int removedUserId = (user != null) ? user.getIdentifier() 15412 : UserHandle.USER_ALL; 15413 if (!clearPackageStateForUser(ps, removedUserId, outInfo)) { 15414 return false; 15415 } 15416 markPackageUninstalledForUserLPw(ps, user); 15417 scheduleWritePackageRestrictionsLocked(user); 15418 return true; 15419 } 15420 } 15421 15422 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15423 && user.getIdentifier() != UserHandle.USER_ALL)) { 15424 // The caller is asking that the package only be deleted for a single 15425 // user. To do this, we just mark its uninstalled state and delete 15426 // its data. If this is a system app, we only allow this to happen if 15427 // they have set the special DELETE_SYSTEM_APP which requests different 15428 // semantics than normal for uninstalling system apps. 15429 markPackageUninstalledForUserLPw(ps, user); 15430 15431 if (!isSystemApp(ps)) { 15432 // Do not uninstall the APK if an app should be cached 15433 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15434 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15435 // Other user still have this package installed, so all 15436 // we need to do is clear this user's data and save that 15437 // it is uninstalled. 15438 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15439 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15440 return false; 15441 } 15442 scheduleWritePackageRestrictionsLocked(user); 15443 return true; 15444 } else { 15445 // We need to set it back to 'installed' so the uninstall 15446 // broadcasts will be sent correctly. 15447 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15448 ps.setInstalled(true, user.getIdentifier()); 15449 } 15450 } else { 15451 // This is a system app, so we assume that the 15452 // other users still have this package installed, so all 15453 // we need to do is clear this user's data and save that 15454 // it is uninstalled. 15455 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15456 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15457 return false; 15458 } 15459 scheduleWritePackageRestrictionsLocked(user); 15460 return true; 15461 } 15462 } 15463 15464 // If we are deleting a composite package for all users, keep track 15465 // of result for each child. 15466 if (ps.childPackageNames != null && outInfo != null) { 15467 synchronized (mPackages) { 15468 final int childCount = ps.childPackageNames.size(); 15469 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15470 for (int i = 0; i < childCount; i++) { 15471 String childPackageName = ps.childPackageNames.get(i); 15472 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15473 childInfo.removedPackage = childPackageName; 15474 outInfo.removedChildPackages.put(childPackageName, childInfo); 15475 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15476 if (childPs != null) { 15477 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15478 } 15479 } 15480 } 15481 } 15482 15483 boolean ret = false; 15484 if (isSystemApp(ps)) { 15485 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15486 // When an updated system application is deleted we delete the existing resources 15487 // as well and fall back to existing code in system partition 15488 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15489 } else { 15490 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15491 // Kill application pre-emptively especially for apps on sd. 15492 final boolean killApp = (flags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15493 if (killApp) { 15494 killApplication(packageName, ps.appId, "uninstall pkg"); 15495 } 15496 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, allUserHandles, 15497 outInfo, writeSettings, replacingPackage); 15498 } 15499 15500 // Take a note whether we deleted the package for all users 15501 if (outInfo != null) { 15502 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15503 if (outInfo.removedChildPackages != null) { 15504 synchronized (mPackages) { 15505 final int childCount = outInfo.removedChildPackages.size(); 15506 for (int i = 0; i < childCount; i++) { 15507 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15508 if (childInfo != null) { 15509 childInfo.removedForAllUsers = mPackages.get( 15510 childInfo.removedPackage) == null; 15511 } 15512 } 15513 } 15514 } 15515 // If we uninstalled an update to a system app there may be some 15516 // child packages that appeared as they are declared in the system 15517 // app but were not declared in the update. 15518 if (isSystemApp(ps)) { 15519 synchronized (mPackages) { 15520 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15521 final int childCount = (updatedPs.childPackageNames != null) 15522 ? updatedPs.childPackageNames.size() : 0; 15523 for (int i = 0; i < childCount; i++) { 15524 String childPackageName = updatedPs.childPackageNames.get(i); 15525 if (outInfo.removedChildPackages == null 15526 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15527 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15528 if (childPs == null) { 15529 continue; 15530 } 15531 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15532 installRes.name = childPackageName; 15533 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15534 installRes.pkg = mPackages.get(childPackageName); 15535 installRes.uid = childPs.pkg.applicationInfo.uid; 15536 if (outInfo.appearedChildPackages == null) { 15537 outInfo.appearedChildPackages = new ArrayMap<>(); 15538 } 15539 outInfo.appearedChildPackages.put(childPackageName, installRes); 15540 } 15541 } 15542 } 15543 } 15544 } 15545 15546 return ret; 15547 } 15548 15549 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15550 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15551 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15552 for (int nextUserId : userIds) { 15553 if (DEBUG_REMOVE) { 15554 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15555 } 15556 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 15557 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15558 false /*hidden*/, false /*suspended*/, null, null, null, 15559 false /*blockUninstall*/, 15560 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15561 } 15562 } 15563 15564 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 15565 PackageRemovedInfo outInfo) { 15566 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15567 : new int[] {userId}; 15568 for (int nextUserId : userIds) { 15569 if (DEBUG_REMOVE) { 15570 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15571 + nextUserId); 15572 } 15573 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 15574 try { 15575 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 15576 } catch (InstallerException e) { 15577 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 15578 return false; 15579 } 15580 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15581 schedulePackageCleaning(ps.name, nextUserId, false); 15582 synchronized (mPackages) { 15583 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15584 scheduleWritePackageRestrictionsLocked(nextUserId); 15585 } 15586 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15587 } 15588 } 15589 15590 if (outInfo != null) { 15591 outInfo.removedPackage = ps.name; 15592 outInfo.removedAppId = ps.appId; 15593 outInfo.removedUsers = userIds; 15594 } 15595 15596 return true; 15597 } 15598 15599 private final class ClearStorageConnection implements ServiceConnection { 15600 IMediaContainerService mContainerService; 15601 15602 @Override 15603 public void onServiceConnected(ComponentName name, IBinder service) { 15604 synchronized (this) { 15605 mContainerService = IMediaContainerService.Stub.asInterface(service); 15606 notifyAll(); 15607 } 15608 } 15609 15610 @Override 15611 public void onServiceDisconnected(ComponentName name) { 15612 } 15613 } 15614 15615 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15616 final boolean mounted; 15617 if (Environment.isExternalStorageEmulated()) { 15618 mounted = true; 15619 } else { 15620 final String status = Environment.getExternalStorageState(); 15621 15622 mounted = status.equals(Environment.MEDIA_MOUNTED) 15623 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15624 } 15625 15626 if (!mounted) { 15627 return; 15628 } 15629 15630 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15631 int[] users; 15632 if (userId == UserHandle.USER_ALL) { 15633 users = sUserManager.getUserIds(); 15634 } else { 15635 users = new int[] { userId }; 15636 } 15637 final ClearStorageConnection conn = new ClearStorageConnection(); 15638 if (mContext.bindServiceAsUser( 15639 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15640 try { 15641 for (int curUser : users) { 15642 long timeout = SystemClock.uptimeMillis() + 5000; 15643 synchronized (conn) { 15644 long now = SystemClock.uptimeMillis(); 15645 while (conn.mContainerService == null && now < timeout) { 15646 try { 15647 conn.wait(timeout - now); 15648 } catch (InterruptedException e) { 15649 } 15650 } 15651 } 15652 if (conn.mContainerService == null) { 15653 return; 15654 } 15655 15656 final UserEnvironment userEnv = new UserEnvironment(curUser); 15657 clearDirectory(conn.mContainerService, 15658 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15659 if (allData) { 15660 clearDirectory(conn.mContainerService, 15661 userEnv.buildExternalStorageAppDataDirs(packageName)); 15662 clearDirectory(conn.mContainerService, 15663 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15664 } 15665 } 15666 } finally { 15667 mContext.unbindService(conn); 15668 } 15669 } 15670 } 15671 15672 @Override 15673 public void clearApplicationProfileData(String packageName) { 15674 enforceSystemOrRoot("Only the system can clear all profile data"); 15675 try { 15676 mInstaller.clearAppProfiles(packageName); 15677 } catch (InstallerException ex) { 15678 Log.e(TAG, "Could not clear profile data of package " + packageName); 15679 } 15680 } 15681 15682 @Override 15683 public void clearApplicationUserData(final String packageName, 15684 final IPackageDataObserver observer, final int userId) { 15685 mContext.enforceCallingOrSelfPermission( 15686 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15687 15688 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15689 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15690 15691 final DevicePolicyManagerInternal dpmi = LocalServices 15692 .getService(DevicePolicyManagerInternal.class); 15693 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15694 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15695 } 15696 // Queue up an async operation since the package deletion may take a little while. 15697 mHandler.post(new Runnable() { 15698 public void run() { 15699 mHandler.removeCallbacks(this); 15700 final boolean succeeded; 15701 synchronized (mInstallLock) { 15702 succeeded = clearApplicationUserDataLI(packageName, userId); 15703 } 15704 clearExternalStorageDataSync(packageName, userId, true); 15705 if (succeeded) { 15706 // invoke DeviceStorageMonitor's update method to clear any notifications 15707 DeviceStorageMonitorInternal dsm = LocalServices 15708 .getService(DeviceStorageMonitorInternal.class); 15709 if (dsm != null) { 15710 dsm.checkMemory(); 15711 } 15712 } 15713 if(observer != null) { 15714 try { 15715 observer.onRemoveCompleted(packageName, succeeded); 15716 } catch (RemoteException e) { 15717 Log.i(TAG, "Observer no longer exists."); 15718 } 15719 } //end if observer 15720 } //end run 15721 }); 15722 } 15723 15724 private boolean clearApplicationUserDataLI(String packageName, int userId) { 15725 if (packageName == null) { 15726 Slog.w(TAG, "Attempt to delete null packageName."); 15727 return false; 15728 } 15729 15730 // Try finding details about the requested package 15731 PackageParser.Package pkg; 15732 synchronized (mPackages) { 15733 pkg = mPackages.get(packageName); 15734 if (pkg == null) { 15735 final PackageSetting ps = mSettings.mPackages.get(packageName); 15736 if (ps != null) { 15737 pkg = ps.pkg; 15738 } 15739 } 15740 15741 if (pkg == null) { 15742 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15743 return false; 15744 } 15745 15746 PackageSetting ps = (PackageSetting) pkg.mExtras; 15747 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15748 } 15749 15750 // Always delete data directories for package, even if we found no other 15751 // record of app. This helps users recover from UID mismatches without 15752 // resorting to a full data wipe. 15753 // TODO: triage flags as part of 26466827 15754 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15755 try { 15756 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 15757 } catch (InstallerException e) { 15758 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 15759 return false; 15760 } 15761 15762 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15763 removeKeystoreDataIfNeeded(userId, appId); 15764 15765 // Create a native library symlink only if we have native libraries 15766 // and if the native libraries are 32 bit libraries. We do not provide 15767 // this symlink for 64 bit libraries. 15768 if (pkg.applicationInfo.primaryCpuAbi != null && 15769 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 15770 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 15771 try { 15772 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 15773 nativeLibPath, userId); 15774 } catch (InstallerException e) { 15775 Slog.w(TAG, "Failed linking native library dir", e); 15776 return false; 15777 } 15778 } 15779 15780 return true; 15781 } 15782 15783 /** 15784 * Reverts user permission state changes (permissions and flags) in 15785 * all packages for a given user. 15786 * 15787 * @param userId The device user for which to do a reset. 15788 */ 15789 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15790 final int packageCount = mPackages.size(); 15791 for (int i = 0; i < packageCount; i++) { 15792 PackageParser.Package pkg = mPackages.valueAt(i); 15793 PackageSetting ps = (PackageSetting) pkg.mExtras; 15794 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15795 } 15796 } 15797 15798 /** 15799 * Reverts user permission state changes (permissions and flags). 15800 * 15801 * @param ps The package for which to reset. 15802 * @param userId The device user for which to do a reset. 15803 */ 15804 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15805 final PackageSetting ps, final int userId) { 15806 if (ps.pkg == null) { 15807 return; 15808 } 15809 15810 // These are flags that can change base on user actions. 15811 final int userSettableMask = FLAG_PERMISSION_USER_SET 15812 | FLAG_PERMISSION_USER_FIXED 15813 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15814 | FLAG_PERMISSION_REVIEW_REQUIRED; 15815 15816 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15817 | FLAG_PERMISSION_POLICY_FIXED; 15818 15819 boolean writeInstallPermissions = false; 15820 boolean writeRuntimePermissions = false; 15821 15822 final int permissionCount = ps.pkg.requestedPermissions.size(); 15823 for (int i = 0; i < permissionCount; i++) { 15824 String permission = ps.pkg.requestedPermissions.get(i); 15825 15826 BasePermission bp = mSettings.mPermissions.get(permission); 15827 if (bp == null) { 15828 continue; 15829 } 15830 15831 // If shared user we just reset the state to which only this app contributed. 15832 if (ps.sharedUser != null) { 15833 boolean used = false; 15834 final int packageCount = ps.sharedUser.packages.size(); 15835 for (int j = 0; j < packageCount; j++) { 15836 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15837 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15838 && pkg.pkg.requestedPermissions.contains(permission)) { 15839 used = true; 15840 break; 15841 } 15842 } 15843 if (used) { 15844 continue; 15845 } 15846 } 15847 15848 PermissionsState permissionsState = ps.getPermissionsState(); 15849 15850 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15851 15852 // Always clear the user settable flags. 15853 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15854 bp.name) != null; 15855 // If permission review is enabled and this is a legacy app, mark the 15856 // permission as requiring a review as this is the initial state. 15857 int flags = 0; 15858 if (Build.PERMISSIONS_REVIEW_REQUIRED 15859 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15860 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15861 } 15862 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15863 if (hasInstallState) { 15864 writeInstallPermissions = true; 15865 } else { 15866 writeRuntimePermissions = true; 15867 } 15868 } 15869 15870 // Below is only runtime permission handling. 15871 if (!bp.isRuntime()) { 15872 continue; 15873 } 15874 15875 // Never clobber system or policy. 15876 if ((oldFlags & policyOrSystemFlags) != 0) { 15877 continue; 15878 } 15879 15880 // If this permission was granted by default, make sure it is. 15881 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15882 if (permissionsState.grantRuntimePermission(bp, userId) 15883 != PERMISSION_OPERATION_FAILURE) { 15884 writeRuntimePermissions = true; 15885 } 15886 // If permission review is enabled the permissions for a legacy apps 15887 // are represented as constantly granted runtime ones, so don't revoke. 15888 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15889 // Otherwise, reset the permission. 15890 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15891 switch (revokeResult) { 15892 case PERMISSION_OPERATION_SUCCESS: 15893 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15894 writeRuntimePermissions = true; 15895 final int appId = ps.appId; 15896 mHandler.post(new Runnable() { 15897 @Override 15898 public void run() { 15899 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 15900 } 15901 }); 15902 } break; 15903 } 15904 } 15905 } 15906 15907 // Synchronously write as we are taking permissions away. 15908 if (writeRuntimePermissions) { 15909 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15910 } 15911 15912 // Synchronously write as we are taking permissions away. 15913 if (writeInstallPermissions) { 15914 mSettings.writeLPr(); 15915 } 15916 } 15917 15918 /** 15919 * Remove entries from the keystore daemon. Will only remove it if the 15920 * {@code appId} is valid. 15921 */ 15922 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15923 if (appId < 0) { 15924 return; 15925 } 15926 15927 final KeyStore keyStore = KeyStore.getInstance(); 15928 if (keyStore != null) { 15929 if (userId == UserHandle.USER_ALL) { 15930 for (final int individual : sUserManager.getUserIds()) { 15931 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15932 } 15933 } else { 15934 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15935 } 15936 } else { 15937 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15938 } 15939 } 15940 15941 @Override 15942 public void deleteApplicationCacheFiles(final String packageName, 15943 final IPackageDataObserver observer) { 15944 mContext.enforceCallingOrSelfPermission( 15945 android.Manifest.permission.DELETE_CACHE_FILES, null); 15946 // Queue up an async operation since the package deletion may take a little while. 15947 final int userId = UserHandle.getCallingUserId(); 15948 mHandler.post(new Runnable() { 15949 public void run() { 15950 mHandler.removeCallbacks(this); 15951 final boolean succeded; 15952 synchronized (mInstallLock) { 15953 succeded = deleteApplicationCacheFilesLI(packageName, userId); 15954 } 15955 clearExternalStorageDataSync(packageName, userId, false); 15956 if (observer != null) { 15957 try { 15958 observer.onRemoveCompleted(packageName, succeded); 15959 } catch (RemoteException e) { 15960 Log.i(TAG, "Observer no longer exists."); 15961 } 15962 } //end if observer 15963 } //end run 15964 }); 15965 } 15966 15967 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 15968 if (packageName == null) { 15969 Slog.w(TAG, "Attempt to delete null packageName."); 15970 return false; 15971 } 15972 PackageParser.Package p; 15973 synchronized (mPackages) { 15974 p = mPackages.get(packageName); 15975 } 15976 if (p == null) { 15977 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15978 return false; 15979 } 15980 final ApplicationInfo applicationInfo = p.applicationInfo; 15981 if (applicationInfo == null) { 15982 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15983 return false; 15984 } 15985 // TODO: triage flags as part of 26466827 15986 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15987 try { 15988 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 15989 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 15990 } catch (InstallerException e) { 15991 Slog.w(TAG, "Couldn't remove cache files for package " 15992 + packageName + " u" + userId, e); 15993 return false; 15994 } 15995 return true; 15996 } 15997 15998 @Override 15999 public void getPackageSizeInfo(final String packageName, int userHandle, 16000 final IPackageStatsObserver observer) { 16001 mContext.enforceCallingOrSelfPermission( 16002 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16003 if (packageName == null) { 16004 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16005 } 16006 16007 PackageStats stats = new PackageStats(packageName, userHandle); 16008 16009 /* 16010 * Queue up an async operation since the package measurement may take a 16011 * little while. 16012 */ 16013 Message msg = mHandler.obtainMessage(INIT_COPY); 16014 msg.obj = new MeasureParams(stats, observer); 16015 mHandler.sendMessage(msg); 16016 } 16017 16018 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 16019 PackageStats pStats) { 16020 if (packageName == null) { 16021 Slog.w(TAG, "Attempt to get size of null packageName."); 16022 return false; 16023 } 16024 PackageParser.Package p; 16025 boolean dataOnly = false; 16026 String libDirRoot = null; 16027 String asecPath = null; 16028 PackageSetting ps = null; 16029 synchronized (mPackages) { 16030 p = mPackages.get(packageName); 16031 ps = mSettings.mPackages.get(packageName); 16032 if(p == null) { 16033 dataOnly = true; 16034 if((ps == null) || (ps.pkg == null)) { 16035 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 16036 return false; 16037 } 16038 p = ps.pkg; 16039 } 16040 if (ps != null) { 16041 libDirRoot = ps.legacyNativeLibraryPathString; 16042 } 16043 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 16044 final long token = Binder.clearCallingIdentity(); 16045 try { 16046 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 16047 if (secureContainerId != null) { 16048 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 16049 } 16050 } finally { 16051 Binder.restoreCallingIdentity(token); 16052 } 16053 } 16054 } 16055 String publicSrcDir = null; 16056 if(!dataOnly) { 16057 final ApplicationInfo applicationInfo = p.applicationInfo; 16058 if (applicationInfo == null) { 16059 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 16060 return false; 16061 } 16062 if (p.isForwardLocked()) { 16063 publicSrcDir = applicationInfo.getBaseResourcePath(); 16064 } 16065 } 16066 // TODO: extend to measure size of split APKs 16067 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 16068 // not just the first level. 16069 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 16070 // just the primary. 16071 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 16072 16073 String apkPath; 16074 File packageDir = new File(p.codePath); 16075 16076 if (packageDir.isDirectory() && p.canHaveOatDir()) { 16077 apkPath = packageDir.getAbsolutePath(); 16078 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 16079 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 16080 libDirRoot = null; 16081 } 16082 } else { 16083 apkPath = p.baseCodePath; 16084 } 16085 16086 // TODO: triage flags as part of 26466827 16087 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 16088 try { 16089 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 16090 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 16091 } catch (InstallerException e) { 16092 return false; 16093 } 16094 16095 // Fix-up for forward-locked applications in ASEC containers. 16096 if (!isExternal(p)) { 16097 pStats.codeSize += pStats.externalCodeSize; 16098 pStats.externalCodeSize = 0L; 16099 } 16100 16101 return true; 16102 } 16103 16104 private int getUidTargetSdkVersionLockedLPr(int uid) { 16105 Object obj = mSettings.getUserIdLPr(uid); 16106 if (obj instanceof SharedUserSetting) { 16107 final SharedUserSetting sus = (SharedUserSetting) obj; 16108 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16109 final Iterator<PackageSetting> it = sus.packages.iterator(); 16110 while (it.hasNext()) { 16111 final PackageSetting ps = it.next(); 16112 if (ps.pkg != null) { 16113 int v = ps.pkg.applicationInfo.targetSdkVersion; 16114 if (v < vers) vers = v; 16115 } 16116 } 16117 return vers; 16118 } else if (obj instanceof PackageSetting) { 16119 final PackageSetting ps = (PackageSetting) obj; 16120 if (ps.pkg != null) { 16121 return ps.pkg.applicationInfo.targetSdkVersion; 16122 } 16123 } 16124 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16125 } 16126 16127 @Override 16128 public void addPreferredActivity(IntentFilter filter, int match, 16129 ComponentName[] set, ComponentName activity, int userId) { 16130 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16131 "Adding preferred"); 16132 } 16133 16134 private void addPreferredActivityInternal(IntentFilter filter, int match, 16135 ComponentName[] set, ComponentName activity, boolean always, int userId, 16136 String opname) { 16137 // writer 16138 int callingUid = Binder.getCallingUid(); 16139 enforceCrossUserPermission(callingUid, userId, 16140 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16141 if (filter.countActions() == 0) { 16142 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16143 return; 16144 } 16145 synchronized (mPackages) { 16146 if (mContext.checkCallingOrSelfPermission( 16147 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16148 != PackageManager.PERMISSION_GRANTED) { 16149 if (getUidTargetSdkVersionLockedLPr(callingUid) 16150 < Build.VERSION_CODES.FROYO) { 16151 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16152 + callingUid); 16153 return; 16154 } 16155 mContext.enforceCallingOrSelfPermission( 16156 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16157 } 16158 16159 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16160 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16161 + userId + ":"); 16162 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16163 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16164 scheduleWritePackageRestrictionsLocked(userId); 16165 } 16166 } 16167 16168 @Override 16169 public void replacePreferredActivity(IntentFilter filter, int match, 16170 ComponentName[] set, ComponentName activity, int userId) { 16171 if (filter.countActions() != 1) { 16172 throw new IllegalArgumentException( 16173 "replacePreferredActivity expects filter to have only 1 action."); 16174 } 16175 if (filter.countDataAuthorities() != 0 16176 || filter.countDataPaths() != 0 16177 || filter.countDataSchemes() > 1 16178 || filter.countDataTypes() != 0) { 16179 throw new IllegalArgumentException( 16180 "replacePreferredActivity expects filter to have no data authorities, " + 16181 "paths, or types; and at most one scheme."); 16182 } 16183 16184 final int callingUid = Binder.getCallingUid(); 16185 enforceCrossUserPermission(callingUid, userId, 16186 true /* requireFullPermission */, false /* checkShell */, 16187 "replace preferred activity"); 16188 synchronized (mPackages) { 16189 if (mContext.checkCallingOrSelfPermission( 16190 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16191 != PackageManager.PERMISSION_GRANTED) { 16192 if (getUidTargetSdkVersionLockedLPr(callingUid) 16193 < Build.VERSION_CODES.FROYO) { 16194 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16195 + Binder.getCallingUid()); 16196 return; 16197 } 16198 mContext.enforceCallingOrSelfPermission( 16199 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16200 } 16201 16202 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16203 if (pir != null) { 16204 // Get all of the existing entries that exactly match this filter. 16205 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16206 if (existing != null && existing.size() == 1) { 16207 PreferredActivity cur = existing.get(0); 16208 if (DEBUG_PREFERRED) { 16209 Slog.i(TAG, "Checking replace of preferred:"); 16210 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16211 if (!cur.mPref.mAlways) { 16212 Slog.i(TAG, " -- CUR; not mAlways!"); 16213 } else { 16214 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16215 Slog.i(TAG, " -- CUR: mSet=" 16216 + Arrays.toString(cur.mPref.mSetComponents)); 16217 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16218 Slog.i(TAG, " -- NEW: mMatch=" 16219 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16220 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16221 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16222 } 16223 } 16224 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16225 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16226 && cur.mPref.sameSet(set)) { 16227 // Setting the preferred activity to what it happens to be already 16228 if (DEBUG_PREFERRED) { 16229 Slog.i(TAG, "Replacing with same preferred activity " 16230 + cur.mPref.mShortComponent + " for user " 16231 + userId + ":"); 16232 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16233 } 16234 return; 16235 } 16236 } 16237 16238 if (existing != null) { 16239 if (DEBUG_PREFERRED) { 16240 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16241 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16242 } 16243 for (int i = 0; i < existing.size(); i++) { 16244 PreferredActivity pa = existing.get(i); 16245 if (DEBUG_PREFERRED) { 16246 Slog.i(TAG, "Removing existing preferred activity " 16247 + pa.mPref.mComponent + ":"); 16248 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16249 } 16250 pir.removeFilter(pa); 16251 } 16252 } 16253 } 16254 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16255 "Replacing preferred"); 16256 } 16257 } 16258 16259 @Override 16260 public void clearPackagePreferredActivities(String packageName) { 16261 final int uid = Binder.getCallingUid(); 16262 // writer 16263 synchronized (mPackages) { 16264 PackageParser.Package pkg = mPackages.get(packageName); 16265 if (pkg == null || pkg.applicationInfo.uid != uid) { 16266 if (mContext.checkCallingOrSelfPermission( 16267 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16268 != PackageManager.PERMISSION_GRANTED) { 16269 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16270 < Build.VERSION_CODES.FROYO) { 16271 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16272 + Binder.getCallingUid()); 16273 return; 16274 } 16275 mContext.enforceCallingOrSelfPermission( 16276 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16277 } 16278 } 16279 16280 int user = UserHandle.getCallingUserId(); 16281 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16282 scheduleWritePackageRestrictionsLocked(user); 16283 } 16284 } 16285 } 16286 16287 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16288 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16289 ArrayList<PreferredActivity> removed = null; 16290 boolean changed = false; 16291 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16292 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16293 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16294 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16295 continue; 16296 } 16297 Iterator<PreferredActivity> it = pir.filterIterator(); 16298 while (it.hasNext()) { 16299 PreferredActivity pa = it.next(); 16300 // Mark entry for removal only if it matches the package name 16301 // and the entry is of type "always". 16302 if (packageName == null || 16303 (pa.mPref.mComponent.getPackageName().equals(packageName) 16304 && pa.mPref.mAlways)) { 16305 if (removed == null) { 16306 removed = new ArrayList<PreferredActivity>(); 16307 } 16308 removed.add(pa); 16309 } 16310 } 16311 if (removed != null) { 16312 for (int j=0; j<removed.size(); j++) { 16313 PreferredActivity pa = removed.get(j); 16314 pir.removeFilter(pa); 16315 } 16316 changed = true; 16317 } 16318 } 16319 return changed; 16320 } 16321 16322 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16323 private void clearIntentFilterVerificationsLPw(int userId) { 16324 final int packageCount = mPackages.size(); 16325 for (int i = 0; i < packageCount; i++) { 16326 PackageParser.Package pkg = mPackages.valueAt(i); 16327 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16328 } 16329 } 16330 16331 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16332 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16333 if (userId == UserHandle.USER_ALL) { 16334 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16335 sUserManager.getUserIds())) { 16336 for (int oneUserId : sUserManager.getUserIds()) { 16337 scheduleWritePackageRestrictionsLocked(oneUserId); 16338 } 16339 } 16340 } else { 16341 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16342 scheduleWritePackageRestrictionsLocked(userId); 16343 } 16344 } 16345 } 16346 16347 void clearDefaultBrowserIfNeeded(String packageName) { 16348 for (int oneUserId : sUserManager.getUserIds()) { 16349 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16350 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16351 if (packageName.equals(defaultBrowserPackageName)) { 16352 setDefaultBrowserPackageName(null, oneUserId); 16353 } 16354 } 16355 } 16356 16357 @Override 16358 public void resetApplicationPreferences(int userId) { 16359 mContext.enforceCallingOrSelfPermission( 16360 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16361 // writer 16362 synchronized (mPackages) { 16363 final long identity = Binder.clearCallingIdentity(); 16364 try { 16365 clearPackagePreferredActivitiesLPw(null, userId); 16366 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16367 // TODO: We have to reset the default SMS and Phone. This requires 16368 // significant refactoring to keep all default apps in the package 16369 // manager (cleaner but more work) or have the services provide 16370 // callbacks to the package manager to request a default app reset. 16371 applyFactoryDefaultBrowserLPw(userId); 16372 clearIntentFilterVerificationsLPw(userId); 16373 primeDomainVerificationsLPw(userId); 16374 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16375 scheduleWritePackageRestrictionsLocked(userId); 16376 } finally { 16377 Binder.restoreCallingIdentity(identity); 16378 } 16379 } 16380 } 16381 16382 @Override 16383 public int getPreferredActivities(List<IntentFilter> outFilters, 16384 List<ComponentName> outActivities, String packageName) { 16385 16386 int num = 0; 16387 final int userId = UserHandle.getCallingUserId(); 16388 // reader 16389 synchronized (mPackages) { 16390 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16391 if (pir != null) { 16392 final Iterator<PreferredActivity> it = pir.filterIterator(); 16393 while (it.hasNext()) { 16394 final PreferredActivity pa = it.next(); 16395 if (packageName == null 16396 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16397 && pa.mPref.mAlways)) { 16398 if (outFilters != null) { 16399 outFilters.add(new IntentFilter(pa)); 16400 } 16401 if (outActivities != null) { 16402 outActivities.add(pa.mPref.mComponent); 16403 } 16404 } 16405 } 16406 } 16407 } 16408 16409 return num; 16410 } 16411 16412 @Override 16413 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16414 int userId) { 16415 int callingUid = Binder.getCallingUid(); 16416 if (callingUid != Process.SYSTEM_UID) { 16417 throw new SecurityException( 16418 "addPersistentPreferredActivity can only be run by the system"); 16419 } 16420 if (filter.countActions() == 0) { 16421 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16422 return; 16423 } 16424 synchronized (mPackages) { 16425 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16426 ":"); 16427 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16428 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16429 new PersistentPreferredActivity(filter, activity)); 16430 scheduleWritePackageRestrictionsLocked(userId); 16431 } 16432 } 16433 16434 @Override 16435 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16436 int callingUid = Binder.getCallingUid(); 16437 if (callingUid != Process.SYSTEM_UID) { 16438 throw new SecurityException( 16439 "clearPackagePersistentPreferredActivities can only be run by the system"); 16440 } 16441 ArrayList<PersistentPreferredActivity> removed = null; 16442 boolean changed = false; 16443 synchronized (mPackages) { 16444 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16445 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16446 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16447 .valueAt(i); 16448 if (userId != thisUserId) { 16449 continue; 16450 } 16451 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16452 while (it.hasNext()) { 16453 PersistentPreferredActivity ppa = it.next(); 16454 // Mark entry for removal only if it matches the package name. 16455 if (ppa.mComponent.getPackageName().equals(packageName)) { 16456 if (removed == null) { 16457 removed = new ArrayList<PersistentPreferredActivity>(); 16458 } 16459 removed.add(ppa); 16460 } 16461 } 16462 if (removed != null) { 16463 for (int j=0; j<removed.size(); j++) { 16464 PersistentPreferredActivity ppa = removed.get(j); 16465 ppir.removeFilter(ppa); 16466 } 16467 changed = true; 16468 } 16469 } 16470 16471 if (changed) { 16472 scheduleWritePackageRestrictionsLocked(userId); 16473 } 16474 } 16475 } 16476 16477 /** 16478 * Common machinery for picking apart a restored XML blob and passing 16479 * it to a caller-supplied functor to be applied to the running system. 16480 */ 16481 private void restoreFromXml(XmlPullParser parser, int userId, 16482 String expectedStartTag, BlobXmlRestorer functor) 16483 throws IOException, XmlPullParserException { 16484 int type; 16485 while ((type = parser.next()) != XmlPullParser.START_TAG 16486 && type != XmlPullParser.END_DOCUMENT) { 16487 } 16488 if (type != XmlPullParser.START_TAG) { 16489 // oops didn't find a start tag?! 16490 if (DEBUG_BACKUP) { 16491 Slog.e(TAG, "Didn't find start tag during restore"); 16492 } 16493 return; 16494 } 16495Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16496 // this is supposed to be TAG_PREFERRED_BACKUP 16497 if (!expectedStartTag.equals(parser.getName())) { 16498 if (DEBUG_BACKUP) { 16499 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16500 } 16501 return; 16502 } 16503 16504 // skip interfering stuff, then we're aligned with the backing implementation 16505 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16506Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16507 functor.apply(parser, userId); 16508 } 16509 16510 private interface BlobXmlRestorer { 16511 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16512 } 16513 16514 /** 16515 * Non-Binder method, support for the backup/restore mechanism: write the 16516 * full set of preferred activities in its canonical XML format. Returns the 16517 * XML output as a byte array, or null if there is none. 16518 */ 16519 @Override 16520 public byte[] getPreferredActivityBackup(int userId) { 16521 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16522 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16523 } 16524 16525 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16526 try { 16527 final XmlSerializer serializer = new FastXmlSerializer(); 16528 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16529 serializer.startDocument(null, true); 16530 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16531 16532 synchronized (mPackages) { 16533 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16534 } 16535 16536 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16537 serializer.endDocument(); 16538 serializer.flush(); 16539 } catch (Exception e) { 16540 if (DEBUG_BACKUP) { 16541 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16542 } 16543 return null; 16544 } 16545 16546 return dataStream.toByteArray(); 16547 } 16548 16549 @Override 16550 public void restorePreferredActivities(byte[] backup, int userId) { 16551 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16552 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16553 } 16554 16555 try { 16556 final XmlPullParser parser = Xml.newPullParser(); 16557 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16558 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16559 new BlobXmlRestorer() { 16560 @Override 16561 public void apply(XmlPullParser parser, int userId) 16562 throws XmlPullParserException, IOException { 16563 synchronized (mPackages) { 16564 mSettings.readPreferredActivitiesLPw(parser, userId); 16565 } 16566 } 16567 } ); 16568 } catch (Exception e) { 16569 if (DEBUG_BACKUP) { 16570 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16571 } 16572 } 16573 } 16574 16575 /** 16576 * Non-Binder method, support for the backup/restore mechanism: write the 16577 * default browser (etc) settings in its canonical XML format. Returns the default 16578 * browser XML representation as a byte array, or null if there is none. 16579 */ 16580 @Override 16581 public byte[] getDefaultAppsBackup(int userId) { 16582 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16583 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16584 } 16585 16586 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16587 try { 16588 final XmlSerializer serializer = new FastXmlSerializer(); 16589 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16590 serializer.startDocument(null, true); 16591 serializer.startTag(null, TAG_DEFAULT_APPS); 16592 16593 synchronized (mPackages) { 16594 mSettings.writeDefaultAppsLPr(serializer, userId); 16595 } 16596 16597 serializer.endTag(null, TAG_DEFAULT_APPS); 16598 serializer.endDocument(); 16599 serializer.flush(); 16600 } catch (Exception e) { 16601 if (DEBUG_BACKUP) { 16602 Slog.e(TAG, "Unable to write default apps for backup", e); 16603 } 16604 return null; 16605 } 16606 16607 return dataStream.toByteArray(); 16608 } 16609 16610 @Override 16611 public void restoreDefaultApps(byte[] backup, int userId) { 16612 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16613 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16614 } 16615 16616 try { 16617 final XmlPullParser parser = Xml.newPullParser(); 16618 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16619 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16620 new BlobXmlRestorer() { 16621 @Override 16622 public void apply(XmlPullParser parser, int userId) 16623 throws XmlPullParserException, IOException { 16624 synchronized (mPackages) { 16625 mSettings.readDefaultAppsLPw(parser, userId); 16626 } 16627 } 16628 } ); 16629 } catch (Exception e) { 16630 if (DEBUG_BACKUP) { 16631 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16632 } 16633 } 16634 } 16635 16636 @Override 16637 public byte[] getIntentFilterVerificationBackup(int userId) { 16638 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16639 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16640 } 16641 16642 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16643 try { 16644 final XmlSerializer serializer = new FastXmlSerializer(); 16645 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16646 serializer.startDocument(null, true); 16647 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16648 16649 synchronized (mPackages) { 16650 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16651 } 16652 16653 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16654 serializer.endDocument(); 16655 serializer.flush(); 16656 } catch (Exception e) { 16657 if (DEBUG_BACKUP) { 16658 Slog.e(TAG, "Unable to write default apps for backup", e); 16659 } 16660 return null; 16661 } 16662 16663 return dataStream.toByteArray(); 16664 } 16665 16666 @Override 16667 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16668 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16669 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16670 } 16671 16672 try { 16673 final XmlPullParser parser = Xml.newPullParser(); 16674 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16675 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16676 new BlobXmlRestorer() { 16677 @Override 16678 public void apply(XmlPullParser parser, int userId) 16679 throws XmlPullParserException, IOException { 16680 synchronized (mPackages) { 16681 mSettings.readAllDomainVerificationsLPr(parser, userId); 16682 mSettings.writeLPr(); 16683 } 16684 } 16685 } ); 16686 } catch (Exception e) { 16687 if (DEBUG_BACKUP) { 16688 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16689 } 16690 } 16691 } 16692 16693 @Override 16694 public byte[] getPermissionGrantBackup(int userId) { 16695 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16696 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16697 } 16698 16699 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16700 try { 16701 final XmlSerializer serializer = new FastXmlSerializer(); 16702 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16703 serializer.startDocument(null, true); 16704 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16705 16706 synchronized (mPackages) { 16707 serializeRuntimePermissionGrantsLPr(serializer, userId); 16708 } 16709 16710 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16711 serializer.endDocument(); 16712 serializer.flush(); 16713 } catch (Exception e) { 16714 if (DEBUG_BACKUP) { 16715 Slog.e(TAG, "Unable to write default apps for backup", e); 16716 } 16717 return null; 16718 } 16719 16720 return dataStream.toByteArray(); 16721 } 16722 16723 @Override 16724 public void restorePermissionGrants(byte[] backup, int userId) { 16725 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16726 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16727 } 16728 16729 try { 16730 final XmlPullParser parser = Xml.newPullParser(); 16731 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16732 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16733 new BlobXmlRestorer() { 16734 @Override 16735 public void apply(XmlPullParser parser, int userId) 16736 throws XmlPullParserException, IOException { 16737 synchronized (mPackages) { 16738 processRestoredPermissionGrantsLPr(parser, userId); 16739 } 16740 } 16741 } ); 16742 } catch (Exception e) { 16743 if (DEBUG_BACKUP) { 16744 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16745 } 16746 } 16747 } 16748 16749 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16750 throws IOException { 16751 serializer.startTag(null, TAG_ALL_GRANTS); 16752 16753 final int N = mSettings.mPackages.size(); 16754 for (int i = 0; i < N; i++) { 16755 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16756 boolean pkgGrantsKnown = false; 16757 16758 PermissionsState packagePerms = ps.getPermissionsState(); 16759 16760 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16761 final int grantFlags = state.getFlags(); 16762 // only look at grants that are not system/policy fixed 16763 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16764 final boolean isGranted = state.isGranted(); 16765 // And only back up the user-twiddled state bits 16766 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16767 final String packageName = mSettings.mPackages.keyAt(i); 16768 if (!pkgGrantsKnown) { 16769 serializer.startTag(null, TAG_GRANT); 16770 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16771 pkgGrantsKnown = true; 16772 } 16773 16774 final boolean userSet = 16775 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16776 final boolean userFixed = 16777 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16778 final boolean revoke = 16779 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16780 16781 serializer.startTag(null, TAG_PERMISSION); 16782 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16783 if (isGranted) { 16784 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16785 } 16786 if (userSet) { 16787 serializer.attribute(null, ATTR_USER_SET, "true"); 16788 } 16789 if (userFixed) { 16790 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16791 } 16792 if (revoke) { 16793 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16794 } 16795 serializer.endTag(null, TAG_PERMISSION); 16796 } 16797 } 16798 } 16799 16800 if (pkgGrantsKnown) { 16801 serializer.endTag(null, TAG_GRANT); 16802 } 16803 } 16804 16805 serializer.endTag(null, TAG_ALL_GRANTS); 16806 } 16807 16808 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16809 throws XmlPullParserException, IOException { 16810 String pkgName = null; 16811 int outerDepth = parser.getDepth(); 16812 int type; 16813 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16814 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16815 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16816 continue; 16817 } 16818 16819 final String tagName = parser.getName(); 16820 if (tagName.equals(TAG_GRANT)) { 16821 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16822 if (DEBUG_BACKUP) { 16823 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16824 } 16825 } else if (tagName.equals(TAG_PERMISSION)) { 16826 16827 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16828 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16829 16830 int newFlagSet = 0; 16831 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16832 newFlagSet |= FLAG_PERMISSION_USER_SET; 16833 } 16834 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16835 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16836 } 16837 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16838 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16839 } 16840 if (DEBUG_BACKUP) { 16841 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16842 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16843 } 16844 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16845 if (ps != null) { 16846 // Already installed so we apply the grant immediately 16847 if (DEBUG_BACKUP) { 16848 Slog.v(TAG, " + already installed; applying"); 16849 } 16850 PermissionsState perms = ps.getPermissionsState(); 16851 BasePermission bp = mSettings.mPermissions.get(permName); 16852 if (bp != null) { 16853 if (isGranted) { 16854 perms.grantRuntimePermission(bp, userId); 16855 } 16856 if (newFlagSet != 0) { 16857 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16858 } 16859 } 16860 } else { 16861 // Need to wait for post-restore install to apply the grant 16862 if (DEBUG_BACKUP) { 16863 Slog.v(TAG, " - not yet installed; saving for later"); 16864 } 16865 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16866 isGranted, newFlagSet, userId); 16867 } 16868 } else { 16869 PackageManagerService.reportSettingsProblem(Log.WARN, 16870 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16871 XmlUtils.skipCurrentTag(parser); 16872 } 16873 } 16874 16875 scheduleWriteSettingsLocked(); 16876 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16877 } 16878 16879 @Override 16880 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16881 int sourceUserId, int targetUserId, int flags) { 16882 mContext.enforceCallingOrSelfPermission( 16883 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16884 int callingUid = Binder.getCallingUid(); 16885 enforceOwnerRights(ownerPackage, callingUid); 16886 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16887 if (intentFilter.countActions() == 0) { 16888 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16889 return; 16890 } 16891 synchronized (mPackages) { 16892 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16893 ownerPackage, targetUserId, flags); 16894 CrossProfileIntentResolver resolver = 16895 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16896 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16897 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16898 if (existing != null) { 16899 int size = existing.size(); 16900 for (int i = 0; i < size; i++) { 16901 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16902 return; 16903 } 16904 } 16905 } 16906 resolver.addFilter(newFilter); 16907 scheduleWritePackageRestrictionsLocked(sourceUserId); 16908 } 16909 } 16910 16911 @Override 16912 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16913 mContext.enforceCallingOrSelfPermission( 16914 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16915 int callingUid = Binder.getCallingUid(); 16916 enforceOwnerRights(ownerPackage, callingUid); 16917 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16918 synchronized (mPackages) { 16919 CrossProfileIntentResolver resolver = 16920 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16921 ArraySet<CrossProfileIntentFilter> set = 16922 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16923 for (CrossProfileIntentFilter filter : set) { 16924 if (filter.getOwnerPackage().equals(ownerPackage)) { 16925 resolver.removeFilter(filter); 16926 } 16927 } 16928 scheduleWritePackageRestrictionsLocked(sourceUserId); 16929 } 16930 } 16931 16932 // Enforcing that callingUid is owning pkg on userId 16933 private void enforceOwnerRights(String pkg, int callingUid) { 16934 // The system owns everything. 16935 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16936 return; 16937 } 16938 int callingUserId = UserHandle.getUserId(callingUid); 16939 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16940 if (pi == null) { 16941 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16942 + callingUserId); 16943 } 16944 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16945 throw new SecurityException("Calling uid " + callingUid 16946 + " does not own package " + pkg); 16947 } 16948 } 16949 16950 @Override 16951 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16952 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 16953 } 16954 16955 private Intent getHomeIntent() { 16956 Intent intent = new Intent(Intent.ACTION_MAIN); 16957 intent.addCategory(Intent.CATEGORY_HOME); 16958 return intent; 16959 } 16960 16961 private IntentFilter getHomeFilter() { 16962 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 16963 filter.addCategory(Intent.CATEGORY_HOME); 16964 filter.addCategory(Intent.CATEGORY_DEFAULT); 16965 return filter; 16966 } 16967 16968 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 16969 int userId) { 16970 Intent intent = getHomeIntent(); 16971 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 16972 PackageManager.GET_META_DATA, userId); 16973 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16974 true, false, false, userId); 16975 16976 allHomeCandidates.clear(); 16977 if (list != null) { 16978 for (ResolveInfo ri : list) { 16979 allHomeCandidates.add(ri); 16980 } 16981 } 16982 return (preferred == null || preferred.activityInfo == null) 16983 ? null 16984 : new ComponentName(preferred.activityInfo.packageName, 16985 preferred.activityInfo.name); 16986 } 16987 16988 @Override 16989 public void setHomeActivity(ComponentName comp, int userId) { 16990 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 16991 getHomeActivitiesAsUser(homeActivities, userId); 16992 16993 boolean found = false; 16994 16995 final int size = homeActivities.size(); 16996 final ComponentName[] set = new ComponentName[size]; 16997 for (int i = 0; i < size; i++) { 16998 final ResolveInfo candidate = homeActivities.get(i); 16999 final ActivityInfo info = candidate.activityInfo; 17000 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17001 set[i] = activityName; 17002 if (!found && activityName.equals(comp)) { 17003 found = true; 17004 } 17005 } 17006 if (!found) { 17007 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17008 + userId); 17009 } 17010 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17011 set, comp, userId); 17012 } 17013 17014 private @Nullable String getSetupWizardPackageName() { 17015 final Intent intent = new Intent(Intent.ACTION_MAIN); 17016 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17017 17018 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17019 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17020 | MATCH_DISABLED_COMPONENTS, 17021 UserHandle.myUserId()); 17022 if (matches.size() == 1) { 17023 return matches.get(0).getComponentInfo().packageName; 17024 } else { 17025 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17026 + ": matches=" + matches); 17027 return null; 17028 } 17029 } 17030 17031 @Override 17032 public void setApplicationEnabledSetting(String appPackageName, 17033 int newState, int flags, int userId, String callingPackage) { 17034 if (!sUserManager.exists(userId)) return; 17035 if (callingPackage == null) { 17036 callingPackage = Integer.toString(Binder.getCallingUid()); 17037 } 17038 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17039 } 17040 17041 @Override 17042 public void setComponentEnabledSetting(ComponentName componentName, 17043 int newState, int flags, int userId) { 17044 if (!sUserManager.exists(userId)) return; 17045 setEnabledSetting(componentName.getPackageName(), 17046 componentName.getClassName(), newState, flags, userId, null); 17047 } 17048 17049 private void setEnabledSetting(final String packageName, String className, int newState, 17050 final int flags, int userId, String callingPackage) { 17051 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17052 || newState == COMPONENT_ENABLED_STATE_ENABLED 17053 || newState == COMPONENT_ENABLED_STATE_DISABLED 17054 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17055 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17056 throw new IllegalArgumentException("Invalid new component state: " 17057 + newState); 17058 } 17059 PackageSetting pkgSetting; 17060 final int uid = Binder.getCallingUid(); 17061 final int permission = mContext.checkCallingOrSelfPermission( 17062 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17063 enforceCrossUserPermission(uid, userId, 17064 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17065 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17066 boolean sendNow = false; 17067 boolean isApp = (className == null); 17068 String componentName = isApp ? packageName : className; 17069 int packageUid = -1; 17070 ArrayList<String> components; 17071 17072 // writer 17073 synchronized (mPackages) { 17074 pkgSetting = mSettings.mPackages.get(packageName); 17075 if (pkgSetting == null) { 17076 if (className == null) { 17077 throw new IllegalArgumentException("Unknown package: " + packageName); 17078 } 17079 throw new IllegalArgumentException( 17080 "Unknown component: " + packageName + "/" + className); 17081 } 17082 // Allow root and verify that userId is not being specified by a different user 17083 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 17084 throw new SecurityException( 17085 "Permission Denial: attempt to change component state from pid=" 17086 + Binder.getCallingPid() 17087 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17088 } 17089 if (className == null) { 17090 // We're dealing with an application/package level state change 17091 if (pkgSetting.getEnabled(userId) == newState) { 17092 // Nothing to do 17093 return; 17094 } 17095 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17096 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17097 // Don't care about who enables an app. 17098 callingPackage = null; 17099 } 17100 pkgSetting.setEnabled(newState, userId, callingPackage); 17101 // pkgSetting.pkg.mSetEnabled = newState; 17102 } else { 17103 // We're dealing with a component level state change 17104 // First, verify that this is a valid class name. 17105 PackageParser.Package pkg = pkgSetting.pkg; 17106 if (pkg == null || !pkg.hasComponentClassName(className)) { 17107 if (pkg != null && 17108 pkg.applicationInfo.targetSdkVersion >= 17109 Build.VERSION_CODES.JELLY_BEAN) { 17110 throw new IllegalArgumentException("Component class " + className 17111 + " does not exist in " + packageName); 17112 } else { 17113 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17114 + className + " does not exist in " + packageName); 17115 } 17116 } 17117 switch (newState) { 17118 case COMPONENT_ENABLED_STATE_ENABLED: 17119 if (!pkgSetting.enableComponentLPw(className, userId)) { 17120 return; 17121 } 17122 break; 17123 case COMPONENT_ENABLED_STATE_DISABLED: 17124 if (!pkgSetting.disableComponentLPw(className, userId)) { 17125 return; 17126 } 17127 break; 17128 case COMPONENT_ENABLED_STATE_DEFAULT: 17129 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17130 return; 17131 } 17132 break; 17133 default: 17134 Slog.e(TAG, "Invalid new component state: " + newState); 17135 return; 17136 } 17137 } 17138 scheduleWritePackageRestrictionsLocked(userId); 17139 components = mPendingBroadcasts.get(userId, packageName); 17140 final boolean newPackage = components == null; 17141 if (newPackage) { 17142 components = new ArrayList<String>(); 17143 } 17144 if (!components.contains(componentName)) { 17145 components.add(componentName); 17146 } 17147 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17148 sendNow = true; 17149 // Purge entry from pending broadcast list if another one exists already 17150 // since we are sending one right away. 17151 mPendingBroadcasts.remove(userId, packageName); 17152 } else { 17153 if (newPackage) { 17154 mPendingBroadcasts.put(userId, packageName, components); 17155 } 17156 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17157 // Schedule a message 17158 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17159 } 17160 } 17161 } 17162 17163 long callingId = Binder.clearCallingIdentity(); 17164 try { 17165 if (sendNow) { 17166 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17167 sendPackageChangedBroadcast(packageName, 17168 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17169 } 17170 } finally { 17171 Binder.restoreCallingIdentity(callingId); 17172 } 17173 } 17174 17175 @Override 17176 public void flushPackageRestrictionsAsUser(int userId) { 17177 if (!sUserManager.exists(userId)) { 17178 return; 17179 } 17180 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17181 false /* checkShell */, "flushPackageRestrictions"); 17182 synchronized (mPackages) { 17183 mSettings.writePackageRestrictionsLPr(userId); 17184 mDirtyUsers.remove(userId); 17185 if (mDirtyUsers.isEmpty()) { 17186 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17187 } 17188 } 17189 } 17190 17191 private void sendPackageChangedBroadcast(String packageName, 17192 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17193 if (DEBUG_INSTALL) 17194 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17195 + componentNames); 17196 Bundle extras = new Bundle(4); 17197 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17198 String nameList[] = new String[componentNames.size()]; 17199 componentNames.toArray(nameList); 17200 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17201 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17202 extras.putInt(Intent.EXTRA_UID, packageUid); 17203 // If this is not reporting a change of the overall package, then only send it 17204 // to registered receivers. We don't want to launch a swath of apps for every 17205 // little component state change. 17206 final int flags = !componentNames.contains(packageName) 17207 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17208 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17209 new int[] {UserHandle.getUserId(packageUid)}); 17210 } 17211 17212 @Override 17213 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17214 if (!sUserManager.exists(userId)) return; 17215 final int uid = Binder.getCallingUid(); 17216 final int permission = mContext.checkCallingOrSelfPermission( 17217 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17218 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17219 enforceCrossUserPermission(uid, userId, 17220 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17221 // writer 17222 synchronized (mPackages) { 17223 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17224 allowedByPermission, uid, userId)) { 17225 scheduleWritePackageRestrictionsLocked(userId); 17226 } 17227 } 17228 } 17229 17230 @Override 17231 public String getInstallerPackageName(String packageName) { 17232 // reader 17233 synchronized (mPackages) { 17234 return mSettings.getInstallerPackageNameLPr(packageName); 17235 } 17236 } 17237 17238 @Override 17239 public int getApplicationEnabledSetting(String packageName, int userId) { 17240 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17241 int uid = Binder.getCallingUid(); 17242 enforceCrossUserPermission(uid, userId, 17243 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17244 // reader 17245 synchronized (mPackages) { 17246 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17247 } 17248 } 17249 17250 @Override 17251 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17252 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17253 int uid = Binder.getCallingUid(); 17254 enforceCrossUserPermission(uid, userId, 17255 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17256 // reader 17257 synchronized (mPackages) { 17258 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17259 } 17260 } 17261 17262 @Override 17263 public void enterSafeMode() { 17264 enforceSystemOrRoot("Only the system can request entering safe mode"); 17265 17266 if (!mSystemReady) { 17267 mSafeMode = true; 17268 } 17269 } 17270 17271 @Override 17272 public void systemReady() { 17273 mSystemReady = true; 17274 17275 // Read the compatibilty setting when the system is ready. 17276 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17277 mContext.getContentResolver(), 17278 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17279 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17280 if (DEBUG_SETTINGS) { 17281 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17282 } 17283 17284 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17285 17286 synchronized (mPackages) { 17287 // Verify that all of the preferred activity components actually 17288 // exist. It is possible for applications to be updated and at 17289 // that point remove a previously declared activity component that 17290 // had been set as a preferred activity. We try to clean this up 17291 // the next time we encounter that preferred activity, but it is 17292 // possible for the user flow to never be able to return to that 17293 // situation so here we do a sanity check to make sure we haven't 17294 // left any junk around. 17295 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17296 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17297 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17298 removed.clear(); 17299 for (PreferredActivity pa : pir.filterSet()) { 17300 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17301 removed.add(pa); 17302 } 17303 } 17304 if (removed.size() > 0) { 17305 for (int r=0; r<removed.size(); r++) { 17306 PreferredActivity pa = removed.get(r); 17307 Slog.w(TAG, "Removing dangling preferred activity: " 17308 + pa.mPref.mComponent); 17309 pir.removeFilter(pa); 17310 } 17311 mSettings.writePackageRestrictionsLPr( 17312 mSettings.mPreferredActivities.keyAt(i)); 17313 } 17314 } 17315 17316 for (int userId : UserManagerService.getInstance().getUserIds()) { 17317 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17318 grantPermissionsUserIds = ArrayUtils.appendInt( 17319 grantPermissionsUserIds, userId); 17320 } 17321 } 17322 } 17323 sUserManager.systemReady(); 17324 17325 // If we upgraded grant all default permissions before kicking off. 17326 for (int userId : grantPermissionsUserIds) { 17327 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17328 } 17329 17330 // Kick off any messages waiting for system ready 17331 if (mPostSystemReadyMessages != null) { 17332 for (Message msg : mPostSystemReadyMessages) { 17333 msg.sendToTarget(); 17334 } 17335 mPostSystemReadyMessages = null; 17336 } 17337 17338 // Watch for external volumes that come and go over time 17339 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17340 storage.registerListener(mStorageListener); 17341 17342 mInstallerService.systemReady(); 17343 mPackageDexOptimizer.systemReady(); 17344 17345 MountServiceInternal mountServiceInternal = LocalServices.getService( 17346 MountServiceInternal.class); 17347 mountServiceInternal.addExternalStoragePolicy( 17348 new MountServiceInternal.ExternalStorageMountPolicy() { 17349 @Override 17350 public int getMountMode(int uid, String packageName) { 17351 if (Process.isIsolated(uid)) { 17352 return Zygote.MOUNT_EXTERNAL_NONE; 17353 } 17354 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17355 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17356 } 17357 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17358 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17359 } 17360 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17361 return Zygote.MOUNT_EXTERNAL_READ; 17362 } 17363 return Zygote.MOUNT_EXTERNAL_WRITE; 17364 } 17365 17366 @Override 17367 public boolean hasExternalStorage(int uid, String packageName) { 17368 return true; 17369 } 17370 }); 17371 } 17372 17373 @Override 17374 public boolean isSafeMode() { 17375 return mSafeMode; 17376 } 17377 17378 @Override 17379 public boolean hasSystemUidErrors() { 17380 return mHasSystemUidErrors; 17381 } 17382 17383 static String arrayToString(int[] array) { 17384 StringBuffer buf = new StringBuffer(128); 17385 buf.append('['); 17386 if (array != null) { 17387 for (int i=0; i<array.length; i++) { 17388 if (i > 0) buf.append(", "); 17389 buf.append(array[i]); 17390 } 17391 } 17392 buf.append(']'); 17393 return buf.toString(); 17394 } 17395 17396 static class DumpState { 17397 public static final int DUMP_LIBS = 1 << 0; 17398 public static final int DUMP_FEATURES = 1 << 1; 17399 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17400 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17401 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17402 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17403 public static final int DUMP_PERMISSIONS = 1 << 6; 17404 public static final int DUMP_PACKAGES = 1 << 7; 17405 public static final int DUMP_SHARED_USERS = 1 << 8; 17406 public static final int DUMP_MESSAGES = 1 << 9; 17407 public static final int DUMP_PROVIDERS = 1 << 10; 17408 public static final int DUMP_VERIFIERS = 1 << 11; 17409 public static final int DUMP_PREFERRED = 1 << 12; 17410 public static final int DUMP_PREFERRED_XML = 1 << 13; 17411 public static final int DUMP_KEYSETS = 1 << 14; 17412 public static final int DUMP_VERSION = 1 << 15; 17413 public static final int DUMP_INSTALLS = 1 << 16; 17414 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17415 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17416 17417 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17418 17419 private int mTypes; 17420 17421 private int mOptions; 17422 17423 private boolean mTitlePrinted; 17424 17425 private SharedUserSetting mSharedUser; 17426 17427 public boolean isDumping(int type) { 17428 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17429 return true; 17430 } 17431 17432 return (mTypes & type) != 0; 17433 } 17434 17435 public void setDump(int type) { 17436 mTypes |= type; 17437 } 17438 17439 public boolean isOptionEnabled(int option) { 17440 return (mOptions & option) != 0; 17441 } 17442 17443 public void setOptionEnabled(int option) { 17444 mOptions |= option; 17445 } 17446 17447 public boolean onTitlePrinted() { 17448 final boolean printed = mTitlePrinted; 17449 mTitlePrinted = true; 17450 return printed; 17451 } 17452 17453 public boolean getTitlePrinted() { 17454 return mTitlePrinted; 17455 } 17456 17457 public void setTitlePrinted(boolean enabled) { 17458 mTitlePrinted = enabled; 17459 } 17460 17461 public SharedUserSetting getSharedUser() { 17462 return mSharedUser; 17463 } 17464 17465 public void setSharedUser(SharedUserSetting user) { 17466 mSharedUser = user; 17467 } 17468 } 17469 17470 @Override 17471 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17472 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17473 (new PackageManagerShellCommand(this)).exec( 17474 this, in, out, err, args, resultReceiver); 17475 } 17476 17477 @Override 17478 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17479 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17480 != PackageManager.PERMISSION_GRANTED) { 17481 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17482 + Binder.getCallingPid() 17483 + ", uid=" + Binder.getCallingUid() 17484 + " without permission " 17485 + android.Manifest.permission.DUMP); 17486 return; 17487 } 17488 17489 DumpState dumpState = new DumpState(); 17490 boolean fullPreferred = false; 17491 boolean checkin = false; 17492 17493 String packageName = null; 17494 ArraySet<String> permissionNames = null; 17495 17496 int opti = 0; 17497 while (opti < args.length) { 17498 String opt = args[opti]; 17499 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17500 break; 17501 } 17502 opti++; 17503 17504 if ("-a".equals(opt)) { 17505 // Right now we only know how to print all. 17506 } else if ("-h".equals(opt)) { 17507 pw.println("Package manager dump options:"); 17508 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17509 pw.println(" --checkin: dump for a checkin"); 17510 pw.println(" -f: print details of intent filters"); 17511 pw.println(" -h: print this help"); 17512 pw.println(" cmd may be one of:"); 17513 pw.println(" l[ibraries]: list known shared libraries"); 17514 pw.println(" f[eatures]: list device features"); 17515 pw.println(" k[eysets]: print known keysets"); 17516 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17517 pw.println(" perm[issions]: dump permissions"); 17518 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17519 pw.println(" pref[erred]: print preferred package settings"); 17520 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17521 pw.println(" prov[iders]: dump content providers"); 17522 pw.println(" p[ackages]: dump installed packages"); 17523 pw.println(" s[hared-users]: dump shared user IDs"); 17524 pw.println(" m[essages]: print collected runtime messages"); 17525 pw.println(" v[erifiers]: print package verifier info"); 17526 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17527 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17528 pw.println(" version: print database version info"); 17529 pw.println(" write: write current settings now"); 17530 pw.println(" installs: details about install sessions"); 17531 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17532 pw.println(" <package.name>: info about given package"); 17533 return; 17534 } else if ("--checkin".equals(opt)) { 17535 checkin = true; 17536 } else if ("-f".equals(opt)) { 17537 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17538 } else { 17539 pw.println("Unknown argument: " + opt + "; use -h for help"); 17540 } 17541 } 17542 17543 // Is the caller requesting to dump a particular piece of data? 17544 if (opti < args.length) { 17545 String cmd = args[opti]; 17546 opti++; 17547 // Is this a package name? 17548 if ("android".equals(cmd) || cmd.contains(".")) { 17549 packageName = cmd; 17550 // When dumping a single package, we always dump all of its 17551 // filter information since the amount of data will be reasonable. 17552 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17553 } else if ("check-permission".equals(cmd)) { 17554 if (opti >= args.length) { 17555 pw.println("Error: check-permission missing permission argument"); 17556 return; 17557 } 17558 String perm = args[opti]; 17559 opti++; 17560 if (opti >= args.length) { 17561 pw.println("Error: check-permission missing package argument"); 17562 return; 17563 } 17564 String pkg = args[opti]; 17565 opti++; 17566 int user = UserHandle.getUserId(Binder.getCallingUid()); 17567 if (opti < args.length) { 17568 try { 17569 user = Integer.parseInt(args[opti]); 17570 } catch (NumberFormatException e) { 17571 pw.println("Error: check-permission user argument is not a number: " 17572 + args[opti]); 17573 return; 17574 } 17575 } 17576 pw.println(checkPermission(perm, pkg, user)); 17577 return; 17578 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17579 dumpState.setDump(DumpState.DUMP_LIBS); 17580 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17581 dumpState.setDump(DumpState.DUMP_FEATURES); 17582 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17583 if (opti >= args.length) { 17584 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17585 | DumpState.DUMP_SERVICE_RESOLVERS 17586 | DumpState.DUMP_RECEIVER_RESOLVERS 17587 | DumpState.DUMP_CONTENT_RESOLVERS); 17588 } else { 17589 while (opti < args.length) { 17590 String name = args[opti]; 17591 if ("a".equals(name) || "activity".equals(name)) { 17592 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17593 } else if ("s".equals(name) || "service".equals(name)) { 17594 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17595 } else if ("r".equals(name) || "receiver".equals(name)) { 17596 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17597 } else if ("c".equals(name) || "content".equals(name)) { 17598 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17599 } else { 17600 pw.println("Error: unknown resolver table type: " + name); 17601 return; 17602 } 17603 opti++; 17604 } 17605 } 17606 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17607 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17608 } else if ("permission".equals(cmd)) { 17609 if (opti >= args.length) { 17610 pw.println("Error: permission requires permission name"); 17611 return; 17612 } 17613 permissionNames = new ArraySet<>(); 17614 while (opti < args.length) { 17615 permissionNames.add(args[opti]); 17616 opti++; 17617 } 17618 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17619 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17620 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17621 dumpState.setDump(DumpState.DUMP_PREFERRED); 17622 } else if ("preferred-xml".equals(cmd)) { 17623 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17624 if (opti < args.length && "--full".equals(args[opti])) { 17625 fullPreferred = true; 17626 opti++; 17627 } 17628 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17629 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17630 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17631 dumpState.setDump(DumpState.DUMP_PACKAGES); 17632 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17633 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17634 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17635 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17636 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17637 dumpState.setDump(DumpState.DUMP_MESSAGES); 17638 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17639 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17640 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17641 || "intent-filter-verifiers".equals(cmd)) { 17642 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17643 } else if ("version".equals(cmd)) { 17644 dumpState.setDump(DumpState.DUMP_VERSION); 17645 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17646 dumpState.setDump(DumpState.DUMP_KEYSETS); 17647 } else if ("installs".equals(cmd)) { 17648 dumpState.setDump(DumpState.DUMP_INSTALLS); 17649 } else if ("write".equals(cmd)) { 17650 synchronized (mPackages) { 17651 mSettings.writeLPr(); 17652 pw.println("Settings written."); 17653 return; 17654 } 17655 } 17656 } 17657 17658 if (checkin) { 17659 pw.println("vers,1"); 17660 } 17661 17662 // reader 17663 synchronized (mPackages) { 17664 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17665 if (!checkin) { 17666 if (dumpState.onTitlePrinted()) 17667 pw.println(); 17668 pw.println("Database versions:"); 17669 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17670 } 17671 } 17672 17673 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17674 if (!checkin) { 17675 if (dumpState.onTitlePrinted()) 17676 pw.println(); 17677 pw.println("Verifiers:"); 17678 pw.print(" Required: "); 17679 pw.print(mRequiredVerifierPackage); 17680 pw.print(" (uid="); 17681 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17682 UserHandle.USER_SYSTEM)); 17683 pw.println(")"); 17684 } else if (mRequiredVerifierPackage != null) { 17685 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17686 pw.print(","); 17687 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17688 UserHandle.USER_SYSTEM)); 17689 } 17690 } 17691 17692 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17693 packageName == null) { 17694 if (mIntentFilterVerifierComponent != null) { 17695 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17696 if (!checkin) { 17697 if (dumpState.onTitlePrinted()) 17698 pw.println(); 17699 pw.println("Intent Filter Verifier:"); 17700 pw.print(" Using: "); 17701 pw.print(verifierPackageName); 17702 pw.print(" (uid="); 17703 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17704 UserHandle.USER_SYSTEM)); 17705 pw.println(")"); 17706 } else if (verifierPackageName != null) { 17707 pw.print("ifv,"); pw.print(verifierPackageName); 17708 pw.print(","); 17709 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17710 UserHandle.USER_SYSTEM)); 17711 } 17712 } else { 17713 pw.println(); 17714 pw.println("No Intent Filter Verifier available!"); 17715 } 17716 } 17717 17718 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17719 boolean printedHeader = false; 17720 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17721 while (it.hasNext()) { 17722 String name = it.next(); 17723 SharedLibraryEntry ent = mSharedLibraries.get(name); 17724 if (!checkin) { 17725 if (!printedHeader) { 17726 if (dumpState.onTitlePrinted()) 17727 pw.println(); 17728 pw.println("Libraries:"); 17729 printedHeader = true; 17730 } 17731 pw.print(" "); 17732 } else { 17733 pw.print("lib,"); 17734 } 17735 pw.print(name); 17736 if (!checkin) { 17737 pw.print(" -> "); 17738 } 17739 if (ent.path != null) { 17740 if (!checkin) { 17741 pw.print("(jar) "); 17742 pw.print(ent.path); 17743 } else { 17744 pw.print(",jar,"); 17745 pw.print(ent.path); 17746 } 17747 } else { 17748 if (!checkin) { 17749 pw.print("(apk) "); 17750 pw.print(ent.apk); 17751 } else { 17752 pw.print(",apk,"); 17753 pw.print(ent.apk); 17754 } 17755 } 17756 pw.println(); 17757 } 17758 } 17759 17760 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17761 if (dumpState.onTitlePrinted()) 17762 pw.println(); 17763 if (!checkin) { 17764 pw.println("Features:"); 17765 } 17766 17767 for (FeatureInfo feat : mAvailableFeatures.values()) { 17768 if (checkin) { 17769 pw.print("feat,"); 17770 pw.print(feat.name); 17771 pw.print(","); 17772 pw.println(feat.version); 17773 } else { 17774 pw.print(" "); 17775 pw.print(feat.name); 17776 if (feat.version > 0) { 17777 pw.print(" version="); 17778 pw.print(feat.version); 17779 } 17780 pw.println(); 17781 } 17782 } 17783 } 17784 17785 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17786 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17787 : "Activity Resolver Table:", " ", packageName, 17788 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17789 dumpState.setTitlePrinted(true); 17790 } 17791 } 17792 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17793 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17794 : "Receiver Resolver Table:", " ", packageName, 17795 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17796 dumpState.setTitlePrinted(true); 17797 } 17798 } 17799 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17800 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17801 : "Service Resolver Table:", " ", packageName, 17802 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17803 dumpState.setTitlePrinted(true); 17804 } 17805 } 17806 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17807 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17808 : "Provider Resolver Table:", " ", packageName, 17809 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17810 dumpState.setTitlePrinted(true); 17811 } 17812 } 17813 17814 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17815 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17816 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17817 int user = mSettings.mPreferredActivities.keyAt(i); 17818 if (pir.dump(pw, 17819 dumpState.getTitlePrinted() 17820 ? "\nPreferred Activities User " + user + ":" 17821 : "Preferred Activities User " + user + ":", " ", 17822 packageName, true, false)) { 17823 dumpState.setTitlePrinted(true); 17824 } 17825 } 17826 } 17827 17828 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17829 pw.flush(); 17830 FileOutputStream fout = new FileOutputStream(fd); 17831 BufferedOutputStream str = new BufferedOutputStream(fout); 17832 XmlSerializer serializer = new FastXmlSerializer(); 17833 try { 17834 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17835 serializer.startDocument(null, true); 17836 serializer.setFeature( 17837 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17838 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17839 serializer.endDocument(); 17840 serializer.flush(); 17841 } catch (IllegalArgumentException e) { 17842 pw.println("Failed writing: " + e); 17843 } catch (IllegalStateException e) { 17844 pw.println("Failed writing: " + e); 17845 } catch (IOException e) { 17846 pw.println("Failed writing: " + e); 17847 } 17848 } 17849 17850 if (!checkin 17851 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17852 && packageName == null) { 17853 pw.println(); 17854 int count = mSettings.mPackages.size(); 17855 if (count == 0) { 17856 pw.println("No applications!"); 17857 pw.println(); 17858 } else { 17859 final String prefix = " "; 17860 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17861 if (allPackageSettings.size() == 0) { 17862 pw.println("No domain preferred apps!"); 17863 pw.println(); 17864 } else { 17865 pw.println("App verification status:"); 17866 pw.println(); 17867 count = 0; 17868 for (PackageSetting ps : allPackageSettings) { 17869 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17870 if (ivi == null || ivi.getPackageName() == null) continue; 17871 pw.println(prefix + "Package: " + ivi.getPackageName()); 17872 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17873 pw.println(prefix + "Status: " + ivi.getStatusString()); 17874 pw.println(); 17875 count++; 17876 } 17877 if (count == 0) { 17878 pw.println(prefix + "No app verification established."); 17879 pw.println(); 17880 } 17881 for (int userId : sUserManager.getUserIds()) { 17882 pw.println("App linkages for user " + userId + ":"); 17883 pw.println(); 17884 count = 0; 17885 for (PackageSetting ps : allPackageSettings) { 17886 final long status = ps.getDomainVerificationStatusForUser(userId); 17887 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17888 continue; 17889 } 17890 pw.println(prefix + "Package: " + ps.name); 17891 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17892 String statusStr = IntentFilterVerificationInfo. 17893 getStatusStringFromValue(status); 17894 pw.println(prefix + "Status: " + statusStr); 17895 pw.println(); 17896 count++; 17897 } 17898 if (count == 0) { 17899 pw.println(prefix + "No configured app linkages."); 17900 pw.println(); 17901 } 17902 } 17903 } 17904 } 17905 } 17906 17907 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17908 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17909 if (packageName == null && permissionNames == null) { 17910 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17911 if (iperm == 0) { 17912 if (dumpState.onTitlePrinted()) 17913 pw.println(); 17914 pw.println("AppOp Permissions:"); 17915 } 17916 pw.print(" AppOp Permission "); 17917 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17918 pw.println(":"); 17919 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17920 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17921 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17922 } 17923 } 17924 } 17925 } 17926 17927 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17928 boolean printedSomething = false; 17929 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17930 if (packageName != null && !packageName.equals(p.info.packageName)) { 17931 continue; 17932 } 17933 if (!printedSomething) { 17934 if (dumpState.onTitlePrinted()) 17935 pw.println(); 17936 pw.println("Registered ContentProviders:"); 17937 printedSomething = true; 17938 } 17939 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17940 pw.print(" "); pw.println(p.toString()); 17941 } 17942 printedSomething = false; 17943 for (Map.Entry<String, PackageParser.Provider> entry : 17944 mProvidersByAuthority.entrySet()) { 17945 PackageParser.Provider p = entry.getValue(); 17946 if (packageName != null && !packageName.equals(p.info.packageName)) { 17947 continue; 17948 } 17949 if (!printedSomething) { 17950 if (dumpState.onTitlePrinted()) 17951 pw.println(); 17952 pw.println("ContentProvider Authorities:"); 17953 printedSomething = true; 17954 } 17955 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17956 pw.print(" "); pw.println(p.toString()); 17957 if (p.info != null && p.info.applicationInfo != null) { 17958 final String appInfo = p.info.applicationInfo.toString(); 17959 pw.print(" applicationInfo="); pw.println(appInfo); 17960 } 17961 } 17962 } 17963 17964 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17965 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17966 } 17967 17968 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17969 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17970 } 17971 17972 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17973 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17974 } 17975 17976 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17977 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17978 } 17979 17980 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17981 // XXX should handle packageName != null by dumping only install data that 17982 // the given package is involved with. 17983 if (dumpState.onTitlePrinted()) pw.println(); 17984 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17985 } 17986 17987 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17988 if (dumpState.onTitlePrinted()) pw.println(); 17989 mSettings.dumpReadMessagesLPr(pw, dumpState); 17990 17991 pw.println(); 17992 pw.println("Package warning messages:"); 17993 BufferedReader in = null; 17994 String line = null; 17995 try { 17996 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17997 while ((line = in.readLine()) != null) { 17998 if (line.contains("ignored: updated version")) continue; 17999 pw.println(line); 18000 } 18001 } catch (IOException ignored) { 18002 } finally { 18003 IoUtils.closeQuietly(in); 18004 } 18005 } 18006 18007 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18008 BufferedReader in = null; 18009 String line = null; 18010 try { 18011 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18012 while ((line = in.readLine()) != null) { 18013 if (line.contains("ignored: updated version")) continue; 18014 pw.print("msg,"); 18015 pw.println(line); 18016 } 18017 } catch (IOException ignored) { 18018 } finally { 18019 IoUtils.closeQuietly(in); 18020 } 18021 } 18022 } 18023 } 18024 18025 private String dumpDomainString(String packageName) { 18026 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18027 .getList(); 18028 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18029 18030 ArraySet<String> result = new ArraySet<>(); 18031 if (iviList.size() > 0) { 18032 for (IntentFilterVerificationInfo ivi : iviList) { 18033 for (String host : ivi.getDomains()) { 18034 result.add(host); 18035 } 18036 } 18037 } 18038 if (filters != null && filters.size() > 0) { 18039 for (IntentFilter filter : filters) { 18040 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18041 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18042 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18043 result.addAll(filter.getHostsList()); 18044 } 18045 } 18046 } 18047 18048 StringBuilder sb = new StringBuilder(result.size() * 16); 18049 for (String domain : result) { 18050 if (sb.length() > 0) sb.append(" "); 18051 sb.append(domain); 18052 } 18053 return sb.toString(); 18054 } 18055 18056 // ------- apps on sdcard specific code ------- 18057 static final boolean DEBUG_SD_INSTALL = false; 18058 18059 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18060 18061 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18062 18063 private boolean mMediaMounted = false; 18064 18065 static String getEncryptKey() { 18066 try { 18067 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18068 SD_ENCRYPTION_KEYSTORE_NAME); 18069 if (sdEncKey == null) { 18070 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18071 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18072 if (sdEncKey == null) { 18073 Slog.e(TAG, "Failed to create encryption keys"); 18074 return null; 18075 } 18076 } 18077 return sdEncKey; 18078 } catch (NoSuchAlgorithmException nsae) { 18079 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18080 return null; 18081 } catch (IOException ioe) { 18082 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18083 return null; 18084 } 18085 } 18086 18087 /* 18088 * Update media status on PackageManager. 18089 */ 18090 @Override 18091 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18092 int callingUid = Binder.getCallingUid(); 18093 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18094 throw new SecurityException("Media status can only be updated by the system"); 18095 } 18096 // reader; this apparently protects mMediaMounted, but should probably 18097 // be a different lock in that case. 18098 synchronized (mPackages) { 18099 Log.i(TAG, "Updating external media status from " 18100 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18101 + (mediaStatus ? "mounted" : "unmounted")); 18102 if (DEBUG_SD_INSTALL) 18103 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18104 + ", mMediaMounted=" + mMediaMounted); 18105 if (mediaStatus == mMediaMounted) { 18106 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18107 : 0, -1); 18108 mHandler.sendMessage(msg); 18109 return; 18110 } 18111 mMediaMounted = mediaStatus; 18112 } 18113 // Queue up an async operation since the package installation may take a 18114 // little while. 18115 mHandler.post(new Runnable() { 18116 public void run() { 18117 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18118 } 18119 }); 18120 } 18121 18122 /** 18123 * Called by MountService when the initial ASECs to scan are available. 18124 * Should block until all the ASEC containers are finished being scanned. 18125 */ 18126 public void scanAvailableAsecs() { 18127 updateExternalMediaStatusInner(true, false, false); 18128 } 18129 18130 /* 18131 * Collect information of applications on external media, map them against 18132 * existing containers and update information based on current mount status. 18133 * Please note that we always have to report status if reportStatus has been 18134 * set to true especially when unloading packages. 18135 */ 18136 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18137 boolean externalStorage) { 18138 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18139 int[] uidArr = EmptyArray.INT; 18140 18141 final String[] list = PackageHelper.getSecureContainerList(); 18142 if (ArrayUtils.isEmpty(list)) { 18143 Log.i(TAG, "No secure containers found"); 18144 } else { 18145 // Process list of secure containers and categorize them 18146 // as active or stale based on their package internal state. 18147 18148 // reader 18149 synchronized (mPackages) { 18150 for (String cid : list) { 18151 // Leave stages untouched for now; installer service owns them 18152 if (PackageInstallerService.isStageName(cid)) continue; 18153 18154 if (DEBUG_SD_INSTALL) 18155 Log.i(TAG, "Processing container " + cid); 18156 String pkgName = getAsecPackageName(cid); 18157 if (pkgName == null) { 18158 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18159 continue; 18160 } 18161 if (DEBUG_SD_INSTALL) 18162 Log.i(TAG, "Looking for pkg : " + pkgName); 18163 18164 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18165 if (ps == null) { 18166 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18167 continue; 18168 } 18169 18170 /* 18171 * Skip packages that are not external if we're unmounting 18172 * external storage. 18173 */ 18174 if (externalStorage && !isMounted && !isExternal(ps)) { 18175 continue; 18176 } 18177 18178 final AsecInstallArgs args = new AsecInstallArgs(cid, 18179 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18180 // The package status is changed only if the code path 18181 // matches between settings and the container id. 18182 if (ps.codePathString != null 18183 && ps.codePathString.startsWith(args.getCodePath())) { 18184 if (DEBUG_SD_INSTALL) { 18185 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18186 + " at code path: " + ps.codePathString); 18187 } 18188 18189 // We do have a valid package installed on sdcard 18190 processCids.put(args, ps.codePathString); 18191 final int uid = ps.appId; 18192 if (uid != -1) { 18193 uidArr = ArrayUtils.appendInt(uidArr, uid); 18194 } 18195 } else { 18196 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18197 + ps.codePathString); 18198 } 18199 } 18200 } 18201 18202 Arrays.sort(uidArr); 18203 } 18204 18205 // Process packages with valid entries. 18206 if (isMounted) { 18207 if (DEBUG_SD_INSTALL) 18208 Log.i(TAG, "Loading packages"); 18209 loadMediaPackages(processCids, uidArr, externalStorage); 18210 startCleaningPackages(); 18211 mInstallerService.onSecureContainersAvailable(); 18212 } else { 18213 if (DEBUG_SD_INSTALL) 18214 Log.i(TAG, "Unloading packages"); 18215 unloadMediaPackages(processCids, uidArr, reportStatus); 18216 } 18217 } 18218 18219 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18220 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18221 final int size = infos.size(); 18222 final String[] packageNames = new String[size]; 18223 final int[] packageUids = new int[size]; 18224 for (int i = 0; i < size; i++) { 18225 final ApplicationInfo info = infos.get(i); 18226 packageNames[i] = info.packageName; 18227 packageUids[i] = info.uid; 18228 } 18229 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18230 finishedReceiver); 18231 } 18232 18233 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18234 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18235 sendResourcesChangedBroadcast(mediaStatus, replacing, 18236 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18237 } 18238 18239 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18240 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18241 int size = pkgList.length; 18242 if (size > 0) { 18243 // Send broadcasts here 18244 Bundle extras = new Bundle(); 18245 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18246 if (uidArr != null) { 18247 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18248 } 18249 if (replacing) { 18250 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18251 } 18252 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18253 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18254 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18255 } 18256 } 18257 18258 /* 18259 * Look at potentially valid container ids from processCids If package 18260 * information doesn't match the one on record or package scanning fails, 18261 * the cid is added to list of removeCids. We currently don't delete stale 18262 * containers. 18263 */ 18264 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18265 boolean externalStorage) { 18266 ArrayList<String> pkgList = new ArrayList<String>(); 18267 Set<AsecInstallArgs> keys = processCids.keySet(); 18268 18269 for (AsecInstallArgs args : keys) { 18270 String codePath = processCids.get(args); 18271 if (DEBUG_SD_INSTALL) 18272 Log.i(TAG, "Loading container : " + args.cid); 18273 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18274 try { 18275 // Make sure there are no container errors first. 18276 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18277 Slog.e(TAG, "Failed to mount cid : " + args.cid 18278 + " when installing from sdcard"); 18279 continue; 18280 } 18281 // Check code path here. 18282 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18283 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18284 + " does not match one in settings " + codePath); 18285 continue; 18286 } 18287 // Parse package 18288 int parseFlags = mDefParseFlags; 18289 if (args.isExternalAsec()) { 18290 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18291 } 18292 if (args.isFwdLocked()) { 18293 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18294 } 18295 18296 synchronized (mInstallLock) { 18297 PackageParser.Package pkg = null; 18298 try { 18299 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 18300 } catch (PackageManagerException e) { 18301 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18302 } 18303 // Scan the package 18304 if (pkg != null) { 18305 /* 18306 * TODO why is the lock being held? doPostInstall is 18307 * called in other places without the lock. This needs 18308 * to be straightened out. 18309 */ 18310 // writer 18311 synchronized (mPackages) { 18312 retCode = PackageManager.INSTALL_SUCCEEDED; 18313 pkgList.add(pkg.packageName); 18314 // Post process args 18315 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18316 pkg.applicationInfo.uid); 18317 } 18318 } else { 18319 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18320 } 18321 } 18322 18323 } finally { 18324 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18325 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18326 } 18327 } 18328 } 18329 // writer 18330 synchronized (mPackages) { 18331 // If the platform SDK has changed since the last time we booted, 18332 // we need to re-grant app permission to catch any new ones that 18333 // appear. This is really a hack, and means that apps can in some 18334 // cases get permissions that the user didn't initially explicitly 18335 // allow... it would be nice to have some better way to handle 18336 // this situation. 18337 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18338 : mSettings.getInternalVersion(); 18339 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18340 : StorageManager.UUID_PRIVATE_INTERNAL; 18341 18342 int updateFlags = UPDATE_PERMISSIONS_ALL; 18343 if (ver.sdkVersion != mSdkVersion) { 18344 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18345 + mSdkVersion + "; regranting permissions for external"); 18346 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18347 } 18348 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18349 18350 // Yay, everything is now upgraded 18351 ver.forceCurrent(); 18352 18353 // can downgrade to reader 18354 // Persist settings 18355 mSettings.writeLPr(); 18356 } 18357 // Send a broadcast to let everyone know we are done processing 18358 if (pkgList.size() > 0) { 18359 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18360 } 18361 } 18362 18363 /* 18364 * Utility method to unload a list of specified containers 18365 */ 18366 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18367 // Just unmount all valid containers. 18368 for (AsecInstallArgs arg : cidArgs) { 18369 synchronized (mInstallLock) { 18370 arg.doPostDeleteLI(false); 18371 } 18372 } 18373 } 18374 18375 /* 18376 * Unload packages mounted on external media. This involves deleting package 18377 * data from internal structures, sending broadcasts about disabled packages, 18378 * gc'ing to free up references, unmounting all secure containers 18379 * corresponding to packages on external media, and posting a 18380 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18381 * that we always have to post this message if status has been requested no 18382 * matter what. 18383 */ 18384 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18385 final boolean reportStatus) { 18386 if (DEBUG_SD_INSTALL) 18387 Log.i(TAG, "unloading media packages"); 18388 ArrayList<String> pkgList = new ArrayList<String>(); 18389 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18390 final Set<AsecInstallArgs> keys = processCids.keySet(); 18391 for (AsecInstallArgs args : keys) { 18392 String pkgName = args.getPackageName(); 18393 if (DEBUG_SD_INSTALL) 18394 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18395 // Delete package internally 18396 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18397 synchronized (mInstallLock) { 18398 boolean res = deletePackageLI(pkgName, null, false, null, 18399 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 18400 if (res) { 18401 pkgList.add(pkgName); 18402 } else { 18403 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18404 failedList.add(args); 18405 } 18406 } 18407 } 18408 18409 // reader 18410 synchronized (mPackages) { 18411 // We didn't update the settings after removing each package; 18412 // write them now for all packages. 18413 mSettings.writeLPr(); 18414 } 18415 18416 // We have to absolutely send UPDATED_MEDIA_STATUS only 18417 // after confirming that all the receivers processed the ordered 18418 // broadcast when packages get disabled, force a gc to clean things up. 18419 // and unload all the containers. 18420 if (pkgList.size() > 0) { 18421 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18422 new IIntentReceiver.Stub() { 18423 public void performReceive(Intent intent, int resultCode, String data, 18424 Bundle extras, boolean ordered, boolean sticky, 18425 int sendingUser) throws RemoteException { 18426 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18427 reportStatus ? 1 : 0, 1, keys); 18428 mHandler.sendMessage(msg); 18429 } 18430 }); 18431 } else { 18432 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18433 keys); 18434 mHandler.sendMessage(msg); 18435 } 18436 } 18437 18438 private void loadPrivatePackages(final VolumeInfo vol) { 18439 mHandler.post(new Runnable() { 18440 @Override 18441 public void run() { 18442 loadPrivatePackagesInner(vol); 18443 } 18444 }); 18445 } 18446 18447 private void loadPrivatePackagesInner(VolumeInfo vol) { 18448 final String volumeUuid = vol.fsUuid; 18449 if (TextUtils.isEmpty(volumeUuid)) { 18450 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18451 return; 18452 } 18453 18454 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18455 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18456 18457 final VersionInfo ver; 18458 final List<PackageSetting> packages; 18459 synchronized (mPackages) { 18460 ver = mSettings.findOrCreateVersion(volumeUuid); 18461 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18462 } 18463 18464 // TODO: introduce a new concept similar to "frozen" to prevent these 18465 // apps from being launched until after data has been fully reconciled 18466 for (PackageSetting ps : packages) { 18467 synchronized (mInstallLock) { 18468 final PackageParser.Package pkg; 18469 try { 18470 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18471 loaded.add(pkg.applicationInfo); 18472 18473 } catch (PackageManagerException e) { 18474 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18475 } 18476 18477 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18478 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 18479 } 18480 } 18481 } 18482 18483 // Reconcile app data for all started/unlocked users 18484 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18485 final UserManager um = mContext.getSystemService(UserManager.class); 18486 for (UserInfo user : um.getUsers()) { 18487 final int flags; 18488 if (um.isUserUnlocked(user.id)) { 18489 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18490 } else if (um.isUserRunning(user.id)) { 18491 flags = StorageManager.FLAG_STORAGE_DE; 18492 } else { 18493 continue; 18494 } 18495 18496 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18497 reconcileAppsData(volumeUuid, user.id, flags); 18498 } 18499 18500 synchronized (mPackages) { 18501 int updateFlags = UPDATE_PERMISSIONS_ALL; 18502 if (ver.sdkVersion != mSdkVersion) { 18503 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18504 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18505 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18506 } 18507 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18508 18509 // Yay, everything is now upgraded 18510 ver.forceCurrent(); 18511 18512 mSettings.writeLPr(); 18513 } 18514 18515 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18516 sendResourcesChangedBroadcast(true, false, loaded, null); 18517 } 18518 18519 private void unloadPrivatePackages(final VolumeInfo vol) { 18520 mHandler.post(new Runnable() { 18521 @Override 18522 public void run() { 18523 unloadPrivatePackagesInner(vol); 18524 } 18525 }); 18526 } 18527 18528 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18529 final String volumeUuid = vol.fsUuid; 18530 if (TextUtils.isEmpty(volumeUuid)) { 18531 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18532 return; 18533 } 18534 18535 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18536 synchronized (mInstallLock) { 18537 synchronized (mPackages) { 18538 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18539 for (PackageSetting ps : packages) { 18540 if (ps.pkg == null) continue; 18541 18542 final ApplicationInfo info = ps.pkg.applicationInfo; 18543 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18544 if (deletePackageLI(ps.name, null, false, null, 18545 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 18546 unloaded.add(info); 18547 } else { 18548 Slog.w(TAG, "Failed to unload " + ps.codePath); 18549 } 18550 } 18551 18552 mSettings.writeLPr(); 18553 } 18554 } 18555 18556 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18557 sendResourcesChangedBroadcast(false, false, unloaded, null); 18558 } 18559 18560 /** 18561 * Examine all users present on given mounted volume, and destroy data 18562 * belonging to users that are no longer valid, or whose user ID has been 18563 * recycled. 18564 */ 18565 private void reconcileUsers(String volumeUuid) { 18566 // TODO: also reconcile DE directories 18567 final File[] files = FileUtils 18568 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 18569 for (File file : files) { 18570 if (!file.isDirectory()) continue; 18571 18572 final int userId; 18573 final UserInfo info; 18574 try { 18575 userId = Integer.parseInt(file.getName()); 18576 info = sUserManager.getUserInfo(userId); 18577 } catch (NumberFormatException e) { 18578 Slog.w(TAG, "Invalid user directory " + file); 18579 continue; 18580 } 18581 18582 boolean destroyUser = false; 18583 if (info == null) { 18584 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18585 + " because no matching user was found"); 18586 destroyUser = true; 18587 } else { 18588 try { 18589 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18590 } catch (IOException e) { 18591 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18592 + " because we failed to enforce serial number: " + e); 18593 destroyUser = true; 18594 } 18595 } 18596 18597 if (destroyUser) { 18598 synchronized (mInstallLock) { 18599 try { 18600 mInstaller.removeUserDataDirs(volumeUuid, userId); 18601 } catch (InstallerException e) { 18602 Slog.w(TAG, "Failed to clean up user dirs", e); 18603 } 18604 } 18605 } 18606 } 18607 } 18608 18609 private void assertPackageKnown(String volumeUuid, String packageName) 18610 throws PackageManagerException { 18611 synchronized (mPackages) { 18612 final PackageSetting ps = mSettings.mPackages.get(packageName); 18613 if (ps == null) { 18614 throw new PackageManagerException("Package " + packageName + " is unknown"); 18615 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18616 throw new PackageManagerException( 18617 "Package " + packageName + " found on unknown volume " + volumeUuid 18618 + "; expected volume " + ps.volumeUuid); 18619 } 18620 } 18621 } 18622 18623 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18624 throws PackageManagerException { 18625 synchronized (mPackages) { 18626 final PackageSetting ps = mSettings.mPackages.get(packageName); 18627 if (ps == null) { 18628 throw new PackageManagerException("Package " + packageName + " is unknown"); 18629 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18630 throw new PackageManagerException( 18631 "Package " + packageName + " found on unknown volume " + volumeUuid 18632 + "; expected volume " + ps.volumeUuid); 18633 } else if (!ps.getInstalled(userId)) { 18634 throw new PackageManagerException( 18635 "Package " + packageName + " not installed for user " + userId); 18636 } 18637 } 18638 } 18639 18640 /** 18641 * Examine all apps present on given mounted volume, and destroy apps that 18642 * aren't expected, either due to uninstallation or reinstallation on 18643 * another volume. 18644 */ 18645 private void reconcileApps(String volumeUuid) { 18646 final File[] files = FileUtils 18647 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18648 for (File file : files) { 18649 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18650 && !PackageInstallerService.isStageName(file.getName()); 18651 if (!isPackage) { 18652 // Ignore entries which are not packages 18653 continue; 18654 } 18655 18656 try { 18657 final PackageLite pkg = PackageParser.parsePackageLite(file, 18658 PackageParser.PARSE_MUST_BE_APK); 18659 assertPackageKnown(volumeUuid, pkg.packageName); 18660 18661 } catch (PackageParserException | PackageManagerException e) { 18662 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18663 synchronized (mInstallLock) { 18664 removeCodePathLI(file); 18665 } 18666 } 18667 } 18668 } 18669 18670 /** 18671 * Reconcile all app data for the given user. 18672 * <p> 18673 * Verifies that directories exist and that ownership and labeling is 18674 * correct for all installed apps on all mounted volumes. 18675 */ 18676 void reconcileAppsData(int userId, int flags) { 18677 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18678 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18679 final String volumeUuid = vol.getFsUuid(); 18680 reconcileAppsData(volumeUuid, userId, flags); 18681 } 18682 } 18683 18684 /** 18685 * Reconcile all app data on given mounted volume. 18686 * <p> 18687 * Destroys app data that isn't expected, either due to uninstallation or 18688 * reinstallation on another volume. 18689 * <p> 18690 * Verifies that directories exist and that ownership and labeling is 18691 * correct for all installed apps. 18692 */ 18693 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 18694 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 18695 + Integer.toHexString(flags)); 18696 18697 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 18698 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 18699 18700 boolean restoreconNeeded = false; 18701 18702 // First look for stale data that doesn't belong, and check if things 18703 // have changed since we did our last restorecon 18704 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18705 if (!isUserKeyUnlocked(userId)) { 18706 throw new RuntimeException( 18707 "Yikes, someone asked us to reconcile CE storage while " + userId 18708 + " was still locked; this would have caused massive data loss!"); 18709 } 18710 18711 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 18712 18713 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 18714 for (File file : files) { 18715 final String packageName = file.getName(); 18716 try { 18717 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18718 } catch (PackageManagerException e) { 18719 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18720 synchronized (mInstallLock) { 18721 destroyAppDataLI(volumeUuid, packageName, userId, 18722 StorageManager.FLAG_STORAGE_CE); 18723 } 18724 } 18725 } 18726 } 18727 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18728 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 18729 18730 final File[] files = FileUtils.listFilesOrEmpty(deDir); 18731 for (File file : files) { 18732 final String packageName = file.getName(); 18733 try { 18734 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18735 } catch (PackageManagerException e) { 18736 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18737 synchronized (mInstallLock) { 18738 destroyAppDataLI(volumeUuid, packageName, userId, 18739 StorageManager.FLAG_STORAGE_DE); 18740 } 18741 } 18742 } 18743 } 18744 18745 // Ensure that data directories are ready to roll for all packages 18746 // installed for this volume and user 18747 final List<PackageSetting> packages; 18748 synchronized (mPackages) { 18749 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18750 } 18751 int preparedCount = 0; 18752 for (PackageSetting ps : packages) { 18753 final String packageName = ps.name; 18754 if (ps.pkg == null) { 18755 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18756 // TODO: might be due to legacy ASEC apps; we should circle back 18757 // and reconcile again once they're scanned 18758 continue; 18759 } 18760 18761 if (ps.getInstalled(userId)) { 18762 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18763 18764 if (maybeMigrateAppData(volumeUuid, userId, ps.pkg)) { 18765 // We may have just shuffled around app data directories, so 18766 // prepare them one more time 18767 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18768 } 18769 18770 preparedCount++; 18771 } 18772 } 18773 18774 if (restoreconNeeded) { 18775 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18776 SELinuxMMAC.setRestoreconDone(ceDir); 18777 } 18778 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18779 SELinuxMMAC.setRestoreconDone(deDir); 18780 } 18781 } 18782 18783 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 18784 + " packages; restoreconNeeded was " + restoreconNeeded); 18785 } 18786 18787 /** 18788 * Prepare app data for the given app just after it was installed or 18789 * upgraded. This method carefully only touches users that it's installed 18790 * for, and it forces a restorecon to handle any seinfo changes. 18791 * <p> 18792 * Verifies that directories exist and that ownership and labeling is 18793 * correct for all installed apps. If there is an ownership mismatch, it 18794 * will try recovering system apps by wiping data; third-party app data is 18795 * left intact. 18796 * <p> 18797 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 18798 */ 18799 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 18800 prepareAppDataAfterInstallInternal(pkg); 18801 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18802 for (int i = 0; i < childCount; i++) { 18803 PackageParser.Package childPackage = pkg.childPackages.get(i); 18804 prepareAppDataAfterInstallInternal(childPackage); 18805 } 18806 } 18807 18808 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 18809 final PackageSetting ps; 18810 synchronized (mPackages) { 18811 ps = mSettings.mPackages.get(pkg.packageName); 18812 mSettings.writeKernelMappingLPr(ps); 18813 } 18814 18815 final UserManager um = mContext.getSystemService(UserManager.class); 18816 for (UserInfo user : um.getUsers()) { 18817 final int flags; 18818 if (um.isUserUnlocked(user.id)) { 18819 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18820 } else if (um.isUserRunning(user.id)) { 18821 flags = StorageManager.FLAG_STORAGE_DE; 18822 } else { 18823 continue; 18824 } 18825 18826 if (ps.getInstalled(user.id)) { 18827 // Whenever an app changes, force a restorecon of its data 18828 // TODO: when user data is locked, mark that we're still dirty 18829 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 18830 } 18831 } 18832 } 18833 18834 /** 18835 * Prepare app data for the given app. 18836 * <p> 18837 * Verifies that directories exist and that ownership and labeling is 18838 * correct for all installed apps. If there is an ownership mismatch, this 18839 * will try recovering system apps by wiping data; third-party app data is 18840 * left intact. 18841 */ 18842 private void prepareAppData(String volumeUuid, int userId, int flags, 18843 PackageParser.Package pkg, boolean restoreconNeeded) { 18844 if (DEBUG_APP_DATA) { 18845 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18846 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18847 } 18848 18849 final String packageName = pkg.packageName; 18850 final ApplicationInfo app = pkg.applicationInfo; 18851 final int appId = UserHandle.getAppId(app.uid); 18852 18853 Preconditions.checkNotNull(app.seinfo); 18854 18855 synchronized (mInstallLock) { 18856 try { 18857 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18858 appId, app.seinfo, app.targetSdkVersion); 18859 } catch (InstallerException e) { 18860 if (app.isSystemApp()) { 18861 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18862 + ", but trying to recover: " + e); 18863 destroyAppDataLI(volumeUuid, packageName, userId, flags); 18864 try { 18865 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18866 appId, app.seinfo, app.targetSdkVersion); 18867 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18868 } catch (InstallerException e2) { 18869 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18870 } 18871 } else { 18872 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18873 } 18874 } 18875 18876 if (restoreconNeeded) { 18877 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 18878 } 18879 18880 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18881 // Create a native library symlink only if we have native libraries 18882 // and if the native libraries are 32 bit libraries. We do not provide 18883 // this symlink for 64 bit libraries. 18884 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18885 final String nativeLibPath = app.nativeLibraryDir; 18886 try { 18887 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18888 nativeLibPath, userId); 18889 } catch (InstallerException e) { 18890 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18891 } 18892 } 18893 } 18894 } 18895 } 18896 18897 /** 18898 * For system apps on non-FBE devices, this method migrates any existing 18899 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 18900 * requested by the app. 18901 */ 18902 private boolean maybeMigrateAppData(String volumeUuid, int userId, PackageParser.Package pkg) { 18903 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 18904 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 18905 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 18906 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 18907 synchronized (mInstallLock) { 18908 try { 18909 mInstaller.migrateAppData(volumeUuid, pkg.packageName, userId, storageTarget); 18910 } catch (InstallerException e) { 18911 logCriticalInfo(Log.WARN, 18912 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 18913 } 18914 } 18915 return true; 18916 } else { 18917 return false; 18918 } 18919 } 18920 18921 private void unfreezePackage(String packageName) { 18922 synchronized (mPackages) { 18923 final PackageSetting ps = mSettings.mPackages.get(packageName); 18924 if (ps != null) { 18925 ps.frozen = false; 18926 } 18927 } 18928 } 18929 18930 @Override 18931 public int movePackage(final String packageName, final String volumeUuid) { 18932 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18933 18934 final int moveId = mNextMoveId.getAndIncrement(); 18935 mHandler.post(new Runnable() { 18936 @Override 18937 public void run() { 18938 try { 18939 movePackageInternal(packageName, volumeUuid, moveId); 18940 } catch (PackageManagerException e) { 18941 Slog.w(TAG, "Failed to move " + packageName, e); 18942 mMoveCallbacks.notifyStatusChanged(moveId, 18943 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18944 } 18945 } 18946 }); 18947 return moveId; 18948 } 18949 18950 private void movePackageInternal(final String packageName, final String volumeUuid, 18951 final int moveId) throws PackageManagerException { 18952 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 18953 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18954 final PackageManager pm = mContext.getPackageManager(); 18955 18956 final boolean currentAsec; 18957 final String currentVolumeUuid; 18958 final File codeFile; 18959 final String installerPackageName; 18960 final String packageAbiOverride; 18961 final int appId; 18962 final String seinfo; 18963 final String label; 18964 final int targetSdkVersion; 18965 18966 // reader 18967 synchronized (mPackages) { 18968 final PackageParser.Package pkg = mPackages.get(packageName); 18969 final PackageSetting ps = mSettings.mPackages.get(packageName); 18970 if (pkg == null || ps == null) { 18971 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 18972 } 18973 18974 if (pkg.applicationInfo.isSystemApp()) { 18975 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 18976 "Cannot move system application"); 18977 } 18978 18979 if (pkg.applicationInfo.isExternalAsec()) { 18980 currentAsec = true; 18981 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 18982 } else if (pkg.applicationInfo.isForwardLocked()) { 18983 currentAsec = true; 18984 currentVolumeUuid = "forward_locked"; 18985 } else { 18986 currentAsec = false; 18987 currentVolumeUuid = ps.volumeUuid; 18988 18989 final File probe = new File(pkg.codePath); 18990 final File probeOat = new File(probe, "oat"); 18991 if (!probe.isDirectory() || !probeOat.isDirectory()) { 18992 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18993 "Move only supported for modern cluster style installs"); 18994 } 18995 } 18996 18997 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 18998 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18999 "Package already moved to " + volumeUuid); 19000 } 19001 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19002 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19003 "Device admin cannot be moved"); 19004 } 19005 19006 if (ps.frozen) { 19007 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19008 "Failed to move already frozen package"); 19009 } 19010 ps.frozen = true; 19011 19012 codeFile = new File(pkg.codePath); 19013 installerPackageName = ps.installerPackageName; 19014 packageAbiOverride = ps.cpuAbiOverrideString; 19015 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19016 seinfo = pkg.applicationInfo.seinfo; 19017 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19018 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19019 } 19020 19021 // Now that we're guarded by frozen state, kill app during move 19022 final long token = Binder.clearCallingIdentity(); 19023 try { 19024 killApplication(packageName, appId, "move pkg"); 19025 } finally { 19026 Binder.restoreCallingIdentity(token); 19027 } 19028 19029 final Bundle extras = new Bundle(); 19030 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19031 extras.putString(Intent.EXTRA_TITLE, label); 19032 mMoveCallbacks.notifyCreated(moveId, extras); 19033 19034 int installFlags; 19035 final boolean moveCompleteApp; 19036 final File measurePath; 19037 19038 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19039 installFlags = INSTALL_INTERNAL; 19040 moveCompleteApp = !currentAsec; 19041 measurePath = Environment.getDataAppDirectory(volumeUuid); 19042 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19043 installFlags = INSTALL_EXTERNAL; 19044 moveCompleteApp = false; 19045 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19046 } else { 19047 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19048 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19049 || !volume.isMountedWritable()) { 19050 unfreezePackage(packageName); 19051 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19052 "Move location not mounted private volume"); 19053 } 19054 19055 Preconditions.checkState(!currentAsec); 19056 19057 installFlags = INSTALL_INTERNAL; 19058 moveCompleteApp = true; 19059 measurePath = Environment.getDataAppDirectory(volumeUuid); 19060 } 19061 19062 final PackageStats stats = new PackageStats(null, -1); 19063 synchronized (mInstaller) { 19064 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 19065 unfreezePackage(packageName); 19066 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19067 "Failed to measure package size"); 19068 } 19069 } 19070 19071 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19072 + stats.dataSize); 19073 19074 final long startFreeBytes = measurePath.getFreeSpace(); 19075 final long sizeBytes; 19076 if (moveCompleteApp) { 19077 sizeBytes = stats.codeSize + stats.dataSize; 19078 } else { 19079 sizeBytes = stats.codeSize; 19080 } 19081 19082 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19083 unfreezePackage(packageName); 19084 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19085 "Not enough free space to move"); 19086 } 19087 19088 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19089 19090 final CountDownLatch installedLatch = new CountDownLatch(1); 19091 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19092 @Override 19093 public void onUserActionRequired(Intent intent) throws RemoteException { 19094 throw new IllegalStateException(); 19095 } 19096 19097 @Override 19098 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19099 Bundle extras) throws RemoteException { 19100 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19101 + PackageManager.installStatusToString(returnCode, msg)); 19102 19103 installedLatch.countDown(); 19104 19105 // Regardless of success or failure of the move operation, 19106 // always unfreeze the package 19107 unfreezePackage(packageName); 19108 19109 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19110 switch (status) { 19111 case PackageInstaller.STATUS_SUCCESS: 19112 mMoveCallbacks.notifyStatusChanged(moveId, 19113 PackageManager.MOVE_SUCCEEDED); 19114 break; 19115 case PackageInstaller.STATUS_FAILURE_STORAGE: 19116 mMoveCallbacks.notifyStatusChanged(moveId, 19117 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19118 break; 19119 default: 19120 mMoveCallbacks.notifyStatusChanged(moveId, 19121 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19122 break; 19123 } 19124 } 19125 }; 19126 19127 final MoveInfo move; 19128 if (moveCompleteApp) { 19129 // Kick off a thread to report progress estimates 19130 new Thread() { 19131 @Override 19132 public void run() { 19133 while (true) { 19134 try { 19135 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19136 break; 19137 } 19138 } catch (InterruptedException ignored) { 19139 } 19140 19141 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19142 final int progress = 10 + (int) MathUtils.constrain( 19143 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19144 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19145 } 19146 } 19147 }.start(); 19148 19149 final String dataAppName = codeFile.getName(); 19150 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19151 dataAppName, appId, seinfo, targetSdkVersion); 19152 } else { 19153 move = null; 19154 } 19155 19156 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19157 19158 final Message msg = mHandler.obtainMessage(INIT_COPY); 19159 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19160 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19161 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19162 packageAbiOverride, null); 19163 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19164 msg.obj = params; 19165 19166 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19167 System.identityHashCode(msg.obj)); 19168 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19169 System.identityHashCode(msg.obj)); 19170 19171 mHandler.sendMessage(msg); 19172 } 19173 19174 @Override 19175 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19176 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19177 19178 final int realMoveId = mNextMoveId.getAndIncrement(); 19179 final Bundle extras = new Bundle(); 19180 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 19181 mMoveCallbacks.notifyCreated(realMoveId, extras); 19182 19183 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 19184 @Override 19185 public void onCreated(int moveId, Bundle extras) { 19186 // Ignored 19187 } 19188 19189 @Override 19190 public void onStatusChanged(int moveId, int status, long estMillis) { 19191 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 19192 } 19193 }; 19194 19195 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19196 storage.setPrimaryStorageUuid(volumeUuid, callback); 19197 return realMoveId; 19198 } 19199 19200 @Override 19201 public int getMoveStatus(int moveId) { 19202 mContext.enforceCallingOrSelfPermission( 19203 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19204 return mMoveCallbacks.mLastStatus.get(moveId); 19205 } 19206 19207 @Override 19208 public void registerMoveCallback(IPackageMoveObserver callback) { 19209 mContext.enforceCallingOrSelfPermission( 19210 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19211 mMoveCallbacks.register(callback); 19212 } 19213 19214 @Override 19215 public void unregisterMoveCallback(IPackageMoveObserver callback) { 19216 mContext.enforceCallingOrSelfPermission( 19217 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19218 mMoveCallbacks.unregister(callback); 19219 } 19220 19221 @Override 19222 public boolean setInstallLocation(int loc) { 19223 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 19224 null); 19225 if (getInstallLocation() == loc) { 19226 return true; 19227 } 19228 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 19229 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 19230 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 19231 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 19232 return true; 19233 } 19234 return false; 19235 } 19236 19237 @Override 19238 public int getInstallLocation() { 19239 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 19240 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 19241 PackageHelper.APP_INSTALL_AUTO); 19242 } 19243 19244 /** Called by UserManagerService */ 19245 void cleanUpUser(UserManagerService userManager, int userHandle) { 19246 synchronized (mPackages) { 19247 mDirtyUsers.remove(userHandle); 19248 mUserNeedsBadging.delete(userHandle); 19249 mSettings.removeUserLPw(userHandle); 19250 mPendingBroadcasts.remove(userHandle); 19251 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 19252 } 19253 synchronized (mInstallLock) { 19254 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19255 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19256 final String volumeUuid = vol.getFsUuid(); 19257 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 19258 try { 19259 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 19260 } catch (InstallerException e) { 19261 Slog.w(TAG, "Failed to remove user data", e); 19262 } 19263 } 19264 synchronized (mPackages) { 19265 removeUnusedPackagesLILPw(userManager, userHandle); 19266 } 19267 } 19268 } 19269 19270 /** 19271 * We're removing userHandle and would like to remove any downloaded packages 19272 * that are no longer in use by any other user. 19273 * @param userHandle the user being removed 19274 */ 19275 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 19276 final boolean DEBUG_CLEAN_APKS = false; 19277 int [] users = userManager.getUserIds(); 19278 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 19279 while (psit.hasNext()) { 19280 PackageSetting ps = psit.next(); 19281 if (ps.pkg == null) { 19282 continue; 19283 } 19284 final String packageName = ps.pkg.packageName; 19285 // Skip over if system app 19286 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 19287 continue; 19288 } 19289 if (DEBUG_CLEAN_APKS) { 19290 Slog.i(TAG, "Checking package " + packageName); 19291 } 19292 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 19293 if (keep) { 19294 if (DEBUG_CLEAN_APKS) { 19295 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 19296 } 19297 } else { 19298 for (int i = 0; i < users.length; i++) { 19299 if (users[i] != userHandle && ps.getInstalled(users[i])) { 19300 keep = true; 19301 if (DEBUG_CLEAN_APKS) { 19302 Slog.i(TAG, " Keeping package " + packageName + " for user " 19303 + users[i]); 19304 } 19305 break; 19306 } 19307 } 19308 } 19309 if (!keep) { 19310 if (DEBUG_CLEAN_APKS) { 19311 Slog.i(TAG, " Removing package " + packageName); 19312 } 19313 mHandler.post(new Runnable() { 19314 public void run() { 19315 deletePackageX(packageName, userHandle, 0); 19316 } //end run 19317 }); 19318 } 19319 } 19320 } 19321 19322 /** Called by UserManagerService */ 19323 void createNewUser(int userHandle) { 19324 synchronized (mInstallLock) { 19325 try { 19326 mInstaller.createUserConfig(userHandle); 19327 } catch (InstallerException e) { 19328 Slog.w(TAG, "Failed to create user config", e); 19329 } 19330 mSettings.createNewUserLI(this, mInstaller, userHandle); 19331 } 19332 synchronized (mPackages) { 19333 applyFactoryDefaultBrowserLPw(userHandle); 19334 primeDomainVerificationsLPw(userHandle); 19335 } 19336 } 19337 19338 void newUserCreated(final int userHandle) { 19339 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 19340 // If permission review for legacy apps is required, we represent 19341 // dagerous permissions for such apps as always granted runtime 19342 // permissions to keep per user flag state whether review is needed. 19343 // Hence, if a new user is added we have to propagate dangerous 19344 // permission grants for these legacy apps. 19345 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 19346 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 19347 | UPDATE_PERMISSIONS_REPLACE_ALL); 19348 } 19349 } 19350 19351 @Override 19352 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 19353 mContext.enforceCallingOrSelfPermission( 19354 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 19355 "Only package verification agents can read the verifier device identity"); 19356 19357 synchronized (mPackages) { 19358 return mSettings.getVerifierDeviceIdentityLPw(); 19359 } 19360 } 19361 19362 @Override 19363 public void setPermissionEnforced(String permission, boolean enforced) { 19364 // TODO: Now that we no longer change GID for storage, this should to away. 19365 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 19366 "setPermissionEnforced"); 19367 if (READ_EXTERNAL_STORAGE.equals(permission)) { 19368 synchronized (mPackages) { 19369 if (mSettings.mReadExternalStorageEnforced == null 19370 || mSettings.mReadExternalStorageEnforced != enforced) { 19371 mSettings.mReadExternalStorageEnforced = enforced; 19372 mSettings.writeLPr(); 19373 } 19374 } 19375 // kill any non-foreground processes so we restart them and 19376 // grant/revoke the GID. 19377 final IActivityManager am = ActivityManagerNative.getDefault(); 19378 if (am != null) { 19379 final long token = Binder.clearCallingIdentity(); 19380 try { 19381 am.killProcessesBelowForeground("setPermissionEnforcement"); 19382 } catch (RemoteException e) { 19383 } finally { 19384 Binder.restoreCallingIdentity(token); 19385 } 19386 } 19387 } else { 19388 throw new IllegalArgumentException("No selective enforcement for " + permission); 19389 } 19390 } 19391 19392 @Override 19393 @Deprecated 19394 public boolean isPermissionEnforced(String permission) { 19395 return true; 19396 } 19397 19398 @Override 19399 public boolean isStorageLow() { 19400 final long token = Binder.clearCallingIdentity(); 19401 try { 19402 final DeviceStorageMonitorInternal 19403 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19404 if (dsm != null) { 19405 return dsm.isMemoryLow(); 19406 } else { 19407 return false; 19408 } 19409 } finally { 19410 Binder.restoreCallingIdentity(token); 19411 } 19412 } 19413 19414 @Override 19415 public IPackageInstaller getPackageInstaller() { 19416 return mInstallerService; 19417 } 19418 19419 private boolean userNeedsBadging(int userId) { 19420 int index = mUserNeedsBadging.indexOfKey(userId); 19421 if (index < 0) { 19422 final UserInfo userInfo; 19423 final long token = Binder.clearCallingIdentity(); 19424 try { 19425 userInfo = sUserManager.getUserInfo(userId); 19426 } finally { 19427 Binder.restoreCallingIdentity(token); 19428 } 19429 final boolean b; 19430 if (userInfo != null && userInfo.isManagedProfile()) { 19431 b = true; 19432 } else { 19433 b = false; 19434 } 19435 mUserNeedsBadging.put(userId, b); 19436 return b; 19437 } 19438 return mUserNeedsBadging.valueAt(index); 19439 } 19440 19441 @Override 19442 public KeySet getKeySetByAlias(String packageName, String alias) { 19443 if (packageName == null || alias == null) { 19444 return null; 19445 } 19446 synchronized(mPackages) { 19447 final PackageParser.Package pkg = mPackages.get(packageName); 19448 if (pkg == null) { 19449 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19450 throw new IllegalArgumentException("Unknown package: " + packageName); 19451 } 19452 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19453 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19454 } 19455 } 19456 19457 @Override 19458 public KeySet getSigningKeySet(String packageName) { 19459 if (packageName == null) { 19460 return null; 19461 } 19462 synchronized(mPackages) { 19463 final PackageParser.Package pkg = mPackages.get(packageName); 19464 if (pkg == null) { 19465 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19466 throw new IllegalArgumentException("Unknown package: " + packageName); 19467 } 19468 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19469 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19470 throw new SecurityException("May not access signing KeySet of other apps."); 19471 } 19472 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19473 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19474 } 19475 } 19476 19477 @Override 19478 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19479 if (packageName == null || ks == null) { 19480 return false; 19481 } 19482 synchronized(mPackages) { 19483 final PackageParser.Package pkg = mPackages.get(packageName); 19484 if (pkg == null) { 19485 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19486 throw new IllegalArgumentException("Unknown package: " + packageName); 19487 } 19488 IBinder ksh = ks.getToken(); 19489 if (ksh instanceof KeySetHandle) { 19490 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19491 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19492 } 19493 return false; 19494 } 19495 } 19496 19497 @Override 19498 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19499 if (packageName == null || ks == null) { 19500 return false; 19501 } 19502 synchronized(mPackages) { 19503 final PackageParser.Package pkg = mPackages.get(packageName); 19504 if (pkg == null) { 19505 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19506 throw new IllegalArgumentException("Unknown package: " + packageName); 19507 } 19508 IBinder ksh = ks.getToken(); 19509 if (ksh instanceof KeySetHandle) { 19510 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19511 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19512 } 19513 return false; 19514 } 19515 } 19516 19517 private void deletePackageIfUnusedLPr(final String packageName) { 19518 PackageSetting ps = mSettings.mPackages.get(packageName); 19519 if (ps == null) { 19520 return; 19521 } 19522 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19523 // TODO Implement atomic delete if package is unused 19524 // It is currently possible that the package will be deleted even if it is installed 19525 // after this method returns. 19526 mHandler.post(new Runnable() { 19527 public void run() { 19528 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19529 } 19530 }); 19531 } 19532 } 19533 19534 /** 19535 * Check and throw if the given before/after packages would be considered a 19536 * downgrade. 19537 */ 19538 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19539 throws PackageManagerException { 19540 if (after.versionCode < before.mVersionCode) { 19541 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19542 "Update version code " + after.versionCode + " is older than current " 19543 + before.mVersionCode); 19544 } else if (after.versionCode == before.mVersionCode) { 19545 if (after.baseRevisionCode < before.baseRevisionCode) { 19546 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19547 "Update base revision code " + after.baseRevisionCode 19548 + " is older than current " + before.baseRevisionCode); 19549 } 19550 19551 if (!ArrayUtils.isEmpty(after.splitNames)) { 19552 for (int i = 0; i < after.splitNames.length; i++) { 19553 final String splitName = after.splitNames[i]; 19554 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 19555 if (j != -1) { 19556 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 19557 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19558 "Update split " + splitName + " revision code " 19559 + after.splitRevisionCodes[i] + " is older than current " 19560 + before.splitRevisionCodes[j]); 19561 } 19562 } 19563 } 19564 } 19565 } 19566 } 19567 19568 private static class MoveCallbacks extends Handler { 19569 private static final int MSG_CREATED = 1; 19570 private static final int MSG_STATUS_CHANGED = 2; 19571 19572 private final RemoteCallbackList<IPackageMoveObserver> 19573 mCallbacks = new RemoteCallbackList<>(); 19574 19575 private final SparseIntArray mLastStatus = new SparseIntArray(); 19576 19577 public MoveCallbacks(Looper looper) { 19578 super(looper); 19579 } 19580 19581 public void register(IPackageMoveObserver callback) { 19582 mCallbacks.register(callback); 19583 } 19584 19585 public void unregister(IPackageMoveObserver callback) { 19586 mCallbacks.unregister(callback); 19587 } 19588 19589 @Override 19590 public void handleMessage(Message msg) { 19591 final SomeArgs args = (SomeArgs) msg.obj; 19592 final int n = mCallbacks.beginBroadcast(); 19593 for (int i = 0; i < n; i++) { 19594 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 19595 try { 19596 invokeCallback(callback, msg.what, args); 19597 } catch (RemoteException ignored) { 19598 } 19599 } 19600 mCallbacks.finishBroadcast(); 19601 args.recycle(); 19602 } 19603 19604 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 19605 throws RemoteException { 19606 switch (what) { 19607 case MSG_CREATED: { 19608 callback.onCreated(args.argi1, (Bundle) args.arg2); 19609 break; 19610 } 19611 case MSG_STATUS_CHANGED: { 19612 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 19613 break; 19614 } 19615 } 19616 } 19617 19618 private void notifyCreated(int moveId, Bundle extras) { 19619 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 19620 19621 final SomeArgs args = SomeArgs.obtain(); 19622 args.argi1 = moveId; 19623 args.arg2 = extras; 19624 obtainMessage(MSG_CREATED, args).sendToTarget(); 19625 } 19626 19627 private void notifyStatusChanged(int moveId, int status) { 19628 notifyStatusChanged(moveId, status, -1); 19629 } 19630 19631 private void notifyStatusChanged(int moveId, int status, long estMillis) { 19632 Slog.v(TAG, "Move " + moveId + " status " + status); 19633 19634 final SomeArgs args = SomeArgs.obtain(); 19635 args.argi1 = moveId; 19636 args.argi2 = status; 19637 args.arg3 = estMillis; 19638 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 19639 19640 synchronized (mLastStatus) { 19641 mLastStatus.put(moveId, status); 19642 } 19643 } 19644 } 19645 19646 private final static class OnPermissionChangeListeners extends Handler { 19647 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 19648 19649 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 19650 new RemoteCallbackList<>(); 19651 19652 public OnPermissionChangeListeners(Looper looper) { 19653 super(looper); 19654 } 19655 19656 @Override 19657 public void handleMessage(Message msg) { 19658 switch (msg.what) { 19659 case MSG_ON_PERMISSIONS_CHANGED: { 19660 final int uid = msg.arg1; 19661 handleOnPermissionsChanged(uid); 19662 } break; 19663 } 19664 } 19665 19666 public void addListenerLocked(IOnPermissionsChangeListener listener) { 19667 mPermissionListeners.register(listener); 19668 19669 } 19670 19671 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 19672 mPermissionListeners.unregister(listener); 19673 } 19674 19675 public void onPermissionsChanged(int uid) { 19676 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 19677 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 19678 } 19679 } 19680 19681 private void handleOnPermissionsChanged(int uid) { 19682 final int count = mPermissionListeners.beginBroadcast(); 19683 try { 19684 for (int i = 0; i < count; i++) { 19685 IOnPermissionsChangeListener callback = mPermissionListeners 19686 .getBroadcastItem(i); 19687 try { 19688 callback.onPermissionsChanged(uid); 19689 } catch (RemoteException e) { 19690 Log.e(TAG, "Permission listener is dead", e); 19691 } 19692 } 19693 } finally { 19694 mPermissionListeners.finishBroadcast(); 19695 } 19696 } 19697 } 19698 19699 private class PackageManagerInternalImpl extends PackageManagerInternal { 19700 @Override 19701 public void setLocationPackagesProvider(PackagesProvider provider) { 19702 synchronized (mPackages) { 19703 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 19704 } 19705 } 19706 19707 @Override 19708 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 19709 synchronized (mPackages) { 19710 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 19711 } 19712 } 19713 19714 @Override 19715 public void setSmsAppPackagesProvider(PackagesProvider provider) { 19716 synchronized (mPackages) { 19717 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 19718 } 19719 } 19720 19721 @Override 19722 public void setDialerAppPackagesProvider(PackagesProvider provider) { 19723 synchronized (mPackages) { 19724 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 19725 } 19726 } 19727 19728 @Override 19729 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 19730 synchronized (mPackages) { 19731 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 19732 } 19733 } 19734 19735 @Override 19736 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 19737 synchronized (mPackages) { 19738 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 19739 } 19740 } 19741 19742 @Override 19743 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 19744 synchronized (mPackages) { 19745 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 19746 packageName, userId); 19747 } 19748 } 19749 19750 @Override 19751 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 19752 synchronized (mPackages) { 19753 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 19754 packageName, userId); 19755 } 19756 } 19757 19758 @Override 19759 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 19760 synchronized (mPackages) { 19761 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 19762 packageName, userId); 19763 } 19764 } 19765 19766 @Override 19767 public void setKeepUninstalledPackages(final List<String> packageList) { 19768 Preconditions.checkNotNull(packageList); 19769 List<String> removedFromList = null; 19770 synchronized (mPackages) { 19771 if (mKeepUninstalledPackages != null) { 19772 final int packagesCount = mKeepUninstalledPackages.size(); 19773 for (int i = 0; i < packagesCount; i++) { 19774 String oldPackage = mKeepUninstalledPackages.get(i); 19775 if (packageList != null && packageList.contains(oldPackage)) { 19776 continue; 19777 } 19778 if (removedFromList == null) { 19779 removedFromList = new ArrayList<>(); 19780 } 19781 removedFromList.add(oldPackage); 19782 } 19783 } 19784 mKeepUninstalledPackages = new ArrayList<>(packageList); 19785 if (removedFromList != null) { 19786 final int removedCount = removedFromList.size(); 19787 for (int i = 0; i < removedCount; i++) { 19788 deletePackageIfUnusedLPr(removedFromList.get(i)); 19789 } 19790 } 19791 } 19792 } 19793 19794 @Override 19795 public boolean isPermissionsReviewRequired(String packageName, int userId) { 19796 synchronized (mPackages) { 19797 // If we do not support permission review, done. 19798 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 19799 return false; 19800 } 19801 19802 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 19803 if (packageSetting == null) { 19804 return false; 19805 } 19806 19807 // Permission review applies only to apps not supporting the new permission model. 19808 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 19809 return false; 19810 } 19811 19812 // Legacy apps have the permission and get user consent on launch. 19813 PermissionsState permissionsState = packageSetting.getPermissionsState(); 19814 return permissionsState.isPermissionReviewRequired(userId); 19815 } 19816 } 19817 19818 @Override 19819 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 19820 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 19821 } 19822 19823 @Override 19824 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19825 int userId) { 19826 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 19827 } 19828 } 19829 19830 @Override 19831 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 19832 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 19833 synchronized (mPackages) { 19834 final long identity = Binder.clearCallingIdentity(); 19835 try { 19836 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19837 packageNames, userId); 19838 } finally { 19839 Binder.restoreCallingIdentity(identity); 19840 } 19841 } 19842 } 19843 19844 private static void enforceSystemOrPhoneCaller(String tag) { 19845 int callingUid = Binder.getCallingUid(); 19846 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 19847 throw new SecurityException( 19848 "Cannot call " + tag + " from UID " + callingUid); 19849 } 19850 } 19851 19852 boolean isHistoricalPackageUsageAvailable() { 19853 return mPackageUsage.isHistoricalPackageUsageAvailable(); 19854 } 19855 19856 /** 19857 * Return a <b>copy</b> of the collection of packages known to the package manager. 19858 * @return A copy of the values of mPackages. 19859 */ 19860 Collection<PackageParser.Package> getPackages() { 19861 synchronized (mPackages) { 19862 return new ArrayList<>(mPackages.values()); 19863 } 19864 } 19865 19866 /** 19867 * Logs process start information (including base APK hash) to the security log. 19868 * @hide 19869 */ 19870 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 19871 String apkFile, int pid) { 19872 if (!SecurityLog.isLoggingEnabled()) { 19873 return; 19874 } 19875 Bundle data = new Bundle(); 19876 data.putLong("startTimestamp", System.currentTimeMillis()); 19877 data.putString("processName", processName); 19878 data.putInt("uid", uid); 19879 data.putString("seinfo", seinfo); 19880 data.putString("apkFile", apkFile); 19881 data.putInt("pid", pid); 19882 Message msg = mProcessLoggingHandler.obtainMessage( 19883 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 19884 msg.setData(data); 19885 mProcessLoggingHandler.sendMessage(msg); 19886 } 19887} 19888