PackageManagerService.java revision fc41ea320f203afa182c7f5816b2ae8072132dd1
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 68import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 69import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 70import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 71import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 72import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 73import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 74import static android.content.pm.PackageManager.PERMISSION_DENIED; 75import static android.content.pm.PackageManager.PERMISSION_GRANTED; 76import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 77import static android.content.pm.PackageParser.isApkFile; 78import static android.os.Process.PACKAGE_INFO_GID; 79import static android.os.Process.SYSTEM_UID; 80import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 81import static android.system.OsConstants.O_CREAT; 82import static android.system.OsConstants.O_RDWR; 83 84import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 86import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 87import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 88import static com.android.internal.util.ArrayUtils.appendInt; 89import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 90import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 91import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 93import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 94import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 100 101import android.Manifest; 102import android.annotation.NonNull; 103import android.annotation.Nullable; 104import android.app.ActivityManager; 105import android.app.ActivityManagerNative; 106import android.app.IActivityManager; 107import android.app.admin.DevicePolicyManagerInternal; 108import android.app.admin.IDevicePolicyManager; 109import android.app.backup.IBackupManager; 110import android.content.BroadcastReceiver; 111import android.content.ComponentName; 112import android.content.Context; 113import android.content.IIntentReceiver; 114import android.content.Intent; 115import android.content.IntentFilter; 116import android.content.IntentSender; 117import android.content.IntentSender.SendIntentException; 118import android.content.ServiceConnection; 119import android.content.pm.ActivityInfo; 120import android.content.pm.ApplicationInfo; 121import android.content.pm.AppsQueryHelper; 122import android.content.pm.ComponentInfo; 123import android.content.pm.EphemeralApplicationInfo; 124import android.content.pm.EphemeralResolveInfo; 125import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 126import android.content.pm.FeatureInfo; 127import android.content.pm.IOnPermissionsChangeListener; 128import android.content.pm.IPackageDataObserver; 129import android.content.pm.IPackageDeleteObserver; 130import android.content.pm.IPackageDeleteObserver2; 131import android.content.pm.IPackageInstallObserver2; 132import android.content.pm.IPackageInstaller; 133import android.content.pm.IPackageManager; 134import android.content.pm.IPackageMoveObserver; 135import android.content.pm.IPackageStatsObserver; 136import android.content.pm.InstrumentationInfo; 137import android.content.pm.IntentFilterVerificationInfo; 138import android.content.pm.KeySet; 139import android.content.pm.PackageCleanItem; 140import android.content.pm.PackageInfo; 141import android.content.pm.PackageInfoLite; 142import android.content.pm.PackageInstaller; 143import android.content.pm.PackageManager; 144import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 145import android.content.pm.PackageManagerInternal; 146import android.content.pm.PackageParser; 147import android.content.pm.PackageParser.ActivityIntentInfo; 148import android.content.pm.PackageParser.PackageLite; 149import android.content.pm.PackageParser.PackageParserException; 150import android.content.pm.PackageStats; 151import android.content.pm.PackageUserState; 152import android.content.pm.ParceledListSlice; 153import android.content.pm.PermissionGroupInfo; 154import android.content.pm.PermissionInfo; 155import android.content.pm.ProviderInfo; 156import android.content.pm.ResolveInfo; 157import android.content.pm.ServiceInfo; 158import android.content.pm.Signature; 159import android.content.pm.UserInfo; 160import android.content.pm.VerifierDeviceIdentity; 161import android.content.pm.VerifierInfo; 162import android.content.res.Resources; 163import android.graphics.Bitmap; 164import android.hardware.display.DisplayManager; 165import android.net.Uri; 166import android.os.Binder; 167import android.os.Build; 168import android.os.Bundle; 169import android.os.Debug; 170import android.os.Environment; 171import android.os.Environment.UserEnvironment; 172import android.os.FileUtils; 173import android.os.Handler; 174import android.os.IBinder; 175import android.os.Looper; 176import android.os.Message; 177import android.os.Parcel; 178import android.os.ParcelFileDescriptor; 179import android.os.Process; 180import android.os.RemoteCallbackList; 181import android.os.RemoteException; 182import android.os.ResultReceiver; 183import android.os.SELinux; 184import android.os.ServiceManager; 185import android.os.SystemClock; 186import android.os.SystemProperties; 187import android.os.Trace; 188import android.os.UserHandle; 189import android.os.UserManager; 190import android.os.storage.IMountService; 191import android.os.storage.MountServiceInternal; 192import android.os.storage.StorageEventListener; 193import android.os.storage.StorageManager; 194import android.os.storage.VolumeInfo; 195import android.os.storage.VolumeRecord; 196import android.security.KeyStore; 197import android.security.SystemKeyStore; 198import android.system.ErrnoException; 199import android.system.Os; 200import android.text.TextUtils; 201import android.text.format.DateUtils; 202import android.util.ArrayMap; 203import android.util.ArraySet; 204import android.util.AtomicFile; 205import android.util.DisplayMetrics; 206import android.util.EventLog; 207import android.util.ExceptionUtils; 208import android.util.Log; 209import android.util.LogPrinter; 210import android.util.MathUtils; 211import android.util.PrintStreamPrinter; 212import android.util.Slog; 213import android.util.SparseArray; 214import android.util.SparseBooleanArray; 215import android.util.SparseIntArray; 216import android.util.Xml; 217import android.view.Display; 218 219import com.android.internal.R; 220import com.android.internal.annotations.GuardedBy; 221import com.android.internal.app.IMediaContainerService; 222import com.android.internal.app.ResolverActivity; 223import com.android.internal.content.NativeLibraryHelper; 224import com.android.internal.content.PackageHelper; 225import com.android.internal.os.IParcelFileDescriptorFactory; 226import com.android.internal.os.InstallerConnection.InstallerException; 227import com.android.internal.os.SomeArgs; 228import com.android.internal.os.Zygote; 229import com.android.internal.util.ArrayUtils; 230import com.android.internal.util.FastPrintWriter; 231import com.android.internal.util.FastXmlSerializer; 232import com.android.internal.util.IndentingPrintWriter; 233import com.android.internal.util.Preconditions; 234import com.android.internal.util.XmlUtils; 235import com.android.server.EventLogTags; 236import com.android.server.FgThread; 237import com.android.server.IntentResolver; 238import com.android.server.LocalServices; 239import com.android.server.ServiceThread; 240import com.android.server.SystemConfig; 241import com.android.server.Watchdog; 242import com.android.server.pm.PermissionsState.PermissionState; 243import com.android.server.pm.Settings.DatabaseVersion; 244import com.android.server.pm.Settings.VersionInfo; 245import com.android.server.storage.DeviceStorageMonitorInternal; 246 247import dalvik.system.DexFile; 248import dalvik.system.VMRuntime; 249 250import libcore.io.IoUtils; 251import libcore.util.EmptyArray; 252 253import org.xmlpull.v1.XmlPullParser; 254import org.xmlpull.v1.XmlPullParserException; 255import org.xmlpull.v1.XmlSerializer; 256 257import java.io.BufferedInputStream; 258import java.io.BufferedOutputStream; 259import java.io.BufferedReader; 260import java.io.ByteArrayInputStream; 261import java.io.ByteArrayOutputStream; 262import java.io.File; 263import java.io.FileDescriptor; 264import java.io.FileNotFoundException; 265import java.io.FileOutputStream; 266import java.io.FileReader; 267import java.io.FilenameFilter; 268import java.io.IOException; 269import java.io.InputStream; 270import java.io.PrintWriter; 271import java.nio.charset.StandardCharsets; 272import java.security.MessageDigest; 273import java.security.NoSuchAlgorithmException; 274import java.security.PublicKey; 275import java.security.cert.CertificateEncodingException; 276import java.security.cert.CertificateException; 277import java.text.SimpleDateFormat; 278import java.util.ArrayList; 279import java.util.Arrays; 280import java.util.Collection; 281import java.util.Collections; 282import java.util.Comparator; 283import java.util.Date; 284import java.util.HashSet; 285import java.util.Iterator; 286import java.util.List; 287import java.util.Map; 288import java.util.Objects; 289import java.util.Set; 290import java.util.concurrent.CountDownLatch; 291import java.util.concurrent.TimeUnit; 292import java.util.concurrent.atomic.AtomicBoolean; 293import java.util.concurrent.atomic.AtomicInteger; 294import java.util.concurrent.atomic.AtomicLong; 295 296/** 297 * Keep track of all those .apks everywhere. 298 * 299 * This is very central to the platform's security; please run the unit 300 * tests whenever making modifications here: 301 * 302runtest -c android.content.pm.PackageManagerTests frameworks-core 303 * 304 * {@hide} 305 */ 306public class PackageManagerService extends IPackageManager.Stub { 307 static final String TAG = "PackageManager"; 308 static final boolean DEBUG_SETTINGS = false; 309 static final boolean DEBUG_PREFERRED = false; 310 static final boolean DEBUG_UPGRADE = false; 311 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 312 private static final boolean DEBUG_BACKUP = false; 313 private static final boolean DEBUG_INSTALL = false; 314 private static final boolean DEBUG_REMOVE = false; 315 private static final boolean DEBUG_BROADCASTS = false; 316 private static final boolean DEBUG_SHOW_INFO = false; 317 private static final boolean DEBUG_PACKAGE_INFO = false; 318 private static final boolean DEBUG_INTENT_MATCHING = false; 319 private static final boolean DEBUG_PACKAGE_SCANNING = false; 320 private static final boolean DEBUG_VERIFY = false; 321 322 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 323 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 324 // user, but by default initialize to this. 325 static final boolean DEBUG_DEXOPT = false; 326 327 private static final boolean DEBUG_ABI_SELECTION = false; 328 private static final boolean DEBUG_EPHEMERAL = false; 329 private static final boolean DEBUG_TRIAGED_MISSING = false; 330 private static final boolean DEBUG_APP_DATA = false; 331 332 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 333 334 private static final boolean DISABLE_EPHEMERAL_APPS = true; 335 336 private static final int RADIO_UID = Process.PHONE_UID; 337 private static final int LOG_UID = Process.LOG_UID; 338 private static final int NFC_UID = Process.NFC_UID; 339 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 340 private static final int SHELL_UID = Process.SHELL_UID; 341 342 // Cap the size of permission trees that 3rd party apps can define 343 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 344 345 // Suffix used during package installation when copying/moving 346 // package apks to install directory. 347 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 348 349 static final int SCAN_NO_DEX = 1<<1; 350 static final int SCAN_FORCE_DEX = 1<<2; 351 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 352 static final int SCAN_NEW_INSTALL = 1<<4; 353 static final int SCAN_NO_PATHS = 1<<5; 354 static final int SCAN_UPDATE_TIME = 1<<6; 355 static final int SCAN_DEFER_DEX = 1<<7; 356 static final int SCAN_BOOTING = 1<<8; 357 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 358 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 359 static final int SCAN_REPLACING = 1<<11; 360 static final int SCAN_REQUIRE_KNOWN = 1<<12; 361 static final int SCAN_MOVE = 1<<13; 362 static final int SCAN_INITIAL = 1<<14; 363 static final int SCAN_CHECK_ONLY = 1<<15; 364 static final int SCAN_DONT_KILL_APP = 1<<17; 365 366 static final int REMOVE_CHATTY = 1<<16; 367 368 private static final int[] EMPTY_INT_ARRAY = new int[0]; 369 370 /** 371 * Timeout (in milliseconds) after which the watchdog should declare that 372 * our handler thread is wedged. The usual default for such things is one 373 * minute but we sometimes do very lengthy I/O operations on this thread, 374 * such as installing multi-gigabyte applications, so ours needs to be longer. 375 */ 376 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 377 378 /** 379 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 380 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 381 * settings entry if available, otherwise we use the hardcoded default. If it's been 382 * more than this long since the last fstrim, we force one during the boot sequence. 383 * 384 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 385 * one gets run at the next available charging+idle time. This final mandatory 386 * no-fstrim check kicks in only of the other scheduling criteria is never met. 387 */ 388 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 389 390 /** 391 * Whether verification is enabled by default. 392 */ 393 private static final boolean DEFAULT_VERIFY_ENABLE = true; 394 395 /** 396 * The default maximum time to wait for the verification agent to return in 397 * milliseconds. 398 */ 399 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 400 401 /** 402 * The default response for package verification timeout. 403 * 404 * This can be either PackageManager.VERIFICATION_ALLOW or 405 * PackageManager.VERIFICATION_REJECT. 406 */ 407 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 408 409 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 410 411 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 412 DEFAULT_CONTAINER_PACKAGE, 413 "com.android.defcontainer.DefaultContainerService"); 414 415 private static final String KILL_APP_REASON_GIDS_CHANGED = 416 "permission grant or revoke changed gids"; 417 418 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 419 "permissions revoked"; 420 421 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 422 423 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 424 425 /** Permission grant: not grant the permission. */ 426 private static final int GRANT_DENIED = 1; 427 428 /** Permission grant: grant the permission as an install permission. */ 429 private static final int GRANT_INSTALL = 2; 430 431 /** Permission grant: grant the permission as a runtime one. */ 432 private static final int GRANT_RUNTIME = 3; 433 434 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 435 private static final int GRANT_UPGRADE = 4; 436 437 /** Canonical intent used to identify what counts as a "web browser" app */ 438 private static final Intent sBrowserIntent; 439 static { 440 sBrowserIntent = new Intent(); 441 sBrowserIntent.setAction(Intent.ACTION_VIEW); 442 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 443 sBrowserIntent.setData(Uri.parse("http:")); 444 } 445 446 // Compilation reasons. 447 public static final int REASON_FIRST_BOOT = 0; 448 public static final int REASON_BOOT = 1; 449 public static final int REASON_INSTALL = 2; 450 public static final int REASON_BACKGROUND_DEXOPT = 3; 451 public static final int REASON_AB_OTA = 4; 452 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 453 public static final int REASON_SHARED_APK = 6; 454 public static final int REASON_FORCED_DEXOPT = 7; 455 456 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 457 458 final ServiceThread mHandlerThread; 459 460 final PackageHandler mHandler; 461 462 /** 463 * Messages for {@link #mHandler} that need to wait for system ready before 464 * being dispatched. 465 */ 466 private ArrayList<Message> mPostSystemReadyMessages; 467 468 final int mSdkVersion = Build.VERSION.SDK_INT; 469 470 final Context mContext; 471 final boolean mFactoryTest; 472 final boolean mOnlyCore; 473 final DisplayMetrics mMetrics; 474 final int mDefParseFlags; 475 final String[] mSeparateProcesses; 476 final boolean mIsUpgrade; 477 final boolean mIsPreNUpgrade; 478 479 /** The location for ASEC container files on internal storage. */ 480 final String mAsecInternalPath; 481 482 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 483 // LOCK HELD. Can be called with mInstallLock held. 484 @GuardedBy("mInstallLock") 485 final Installer mInstaller; 486 487 /** Directory where installed third-party apps stored */ 488 final File mAppInstallDir; 489 final File mEphemeralInstallDir; 490 491 /** 492 * Directory to which applications installed internally have their 493 * 32 bit native libraries copied. 494 */ 495 private File mAppLib32InstallDir; 496 497 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 498 // apps. 499 final File mDrmAppPrivateInstallDir; 500 501 // ---------------------------------------------------------------- 502 503 // Lock for state used when installing and doing other long running 504 // operations. Methods that must be called with this lock held have 505 // the suffix "LI". 506 final Object mInstallLock = new Object(); 507 508 // ---------------------------------------------------------------- 509 510 // Keys are String (package name), values are Package. This also serves 511 // as the lock for the global state. Methods that must be called with 512 // this lock held have the prefix "LP". 513 @GuardedBy("mPackages") 514 final ArrayMap<String, PackageParser.Package> mPackages = 515 new ArrayMap<String, PackageParser.Package>(); 516 517 final ArrayMap<String, Set<String>> mKnownCodebase = 518 new ArrayMap<String, Set<String>>(); 519 520 // Tracks available target package names -> overlay package paths. 521 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 522 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 523 524 /** 525 * Tracks new system packages [received in an OTA] that we expect to 526 * find updated user-installed versions. Keys are package name, values 527 * are package location. 528 */ 529 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 530 531 /** 532 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 533 */ 534 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 535 /** 536 * Whether or not system app permissions should be promoted from install to runtime. 537 */ 538 boolean mPromoteSystemApps; 539 540 final Settings mSettings; 541 boolean mRestoredSettings; 542 543 // System configuration read by SystemConfig. 544 final int[] mGlobalGids; 545 final SparseArray<ArraySet<String>> mSystemPermissions; 546 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 547 548 // If mac_permissions.xml was found for seinfo labeling. 549 boolean mFoundPolicyFile; 550 551 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 552 553 public static final class SharedLibraryEntry { 554 public final String path; 555 public final String apk; 556 557 SharedLibraryEntry(String _path, String _apk) { 558 path = _path; 559 apk = _apk; 560 } 561 } 562 563 // Currently known shared libraries. 564 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 565 new ArrayMap<String, SharedLibraryEntry>(); 566 567 // All available activities, for your resolving pleasure. 568 final ActivityIntentResolver mActivities = 569 new ActivityIntentResolver(); 570 571 // All available receivers, for your resolving pleasure. 572 final ActivityIntentResolver mReceivers = 573 new ActivityIntentResolver(); 574 575 // All available services, for your resolving pleasure. 576 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 577 578 // All available providers, for your resolving pleasure. 579 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 580 581 // Mapping from provider base names (first directory in content URI codePath) 582 // to the provider information. 583 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 584 new ArrayMap<String, PackageParser.Provider>(); 585 586 // Mapping from instrumentation class names to info about them. 587 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 588 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 589 590 // Mapping from permission names to info about them. 591 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 592 new ArrayMap<String, PackageParser.PermissionGroup>(); 593 594 // Packages whose data we have transfered into another package, thus 595 // should no longer exist. 596 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 597 598 // Broadcast actions that are only available to the system. 599 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 600 601 /** List of packages waiting for verification. */ 602 final SparseArray<PackageVerificationState> mPendingVerification 603 = new SparseArray<PackageVerificationState>(); 604 605 /** Set of packages associated with each app op permission. */ 606 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 607 608 final PackageInstallerService mInstallerService; 609 610 private final PackageDexOptimizer mPackageDexOptimizer; 611 612 private AtomicInteger mNextMoveId = new AtomicInteger(); 613 private final MoveCallbacks mMoveCallbacks; 614 615 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 616 617 // Cache of users who need badging. 618 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 619 620 /** Token for keys in mPendingVerification. */ 621 private int mPendingVerificationToken = 0; 622 623 volatile boolean mSystemReady; 624 volatile boolean mSafeMode; 625 volatile boolean mHasSystemUidErrors; 626 627 ApplicationInfo mAndroidApplication; 628 final ActivityInfo mResolveActivity = new ActivityInfo(); 629 final ResolveInfo mResolveInfo = new ResolveInfo(); 630 ComponentName mResolveComponentName; 631 PackageParser.Package mPlatformPackage; 632 ComponentName mCustomResolverComponentName; 633 634 boolean mResolverReplaced = false; 635 636 private final @Nullable ComponentName mIntentFilterVerifierComponent; 637 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 638 639 private int mIntentFilterVerificationToken = 0; 640 641 /** Component that knows whether or not an ephemeral application exists */ 642 final ComponentName mEphemeralResolverComponent; 643 /** The service connection to the ephemeral resolver */ 644 final EphemeralResolverConnection mEphemeralResolverConnection; 645 646 /** Component used to install ephemeral applications */ 647 final ComponentName mEphemeralInstallerComponent; 648 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 649 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 650 651 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 652 = new SparseArray<IntentFilterVerificationState>(); 653 654 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 655 new DefaultPermissionGrantPolicy(this); 656 657 // List of packages names to keep cached, even if they are uninstalled for all users 658 private List<String> mKeepUninstalledPackages; 659 660 private static class IFVerificationParams { 661 PackageParser.Package pkg; 662 boolean replacing; 663 int userId; 664 int verifierUid; 665 666 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 667 int _userId, int _verifierUid) { 668 pkg = _pkg; 669 replacing = _replacing; 670 userId = _userId; 671 replacing = _replacing; 672 verifierUid = _verifierUid; 673 } 674 } 675 676 private interface IntentFilterVerifier<T extends IntentFilter> { 677 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 678 T filter, String packageName); 679 void startVerifications(int userId); 680 void receiveVerificationResponse(int verificationId); 681 } 682 683 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 684 private Context mContext; 685 private ComponentName mIntentFilterVerifierComponent; 686 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 687 688 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 689 mContext = context; 690 mIntentFilterVerifierComponent = verifierComponent; 691 } 692 693 private String getDefaultScheme() { 694 return IntentFilter.SCHEME_HTTPS; 695 } 696 697 @Override 698 public void startVerifications(int userId) { 699 // Launch verifications requests 700 int count = mCurrentIntentFilterVerifications.size(); 701 for (int n=0; n<count; n++) { 702 int verificationId = mCurrentIntentFilterVerifications.get(n); 703 final IntentFilterVerificationState ivs = 704 mIntentFilterVerificationStates.get(verificationId); 705 706 String packageName = ivs.getPackageName(); 707 708 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 709 final int filterCount = filters.size(); 710 ArraySet<String> domainsSet = new ArraySet<>(); 711 for (int m=0; m<filterCount; m++) { 712 PackageParser.ActivityIntentInfo filter = filters.get(m); 713 domainsSet.addAll(filter.getHostsList()); 714 } 715 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 716 synchronized (mPackages) { 717 if (mSettings.createIntentFilterVerificationIfNeededLPw( 718 packageName, domainsList) != null) { 719 scheduleWriteSettingsLocked(); 720 } 721 } 722 sendVerificationRequest(userId, verificationId, ivs); 723 } 724 mCurrentIntentFilterVerifications.clear(); 725 } 726 727 private void sendVerificationRequest(int userId, int verificationId, 728 IntentFilterVerificationState ivs) { 729 730 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 731 verificationIntent.putExtra( 732 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 733 verificationId); 734 verificationIntent.putExtra( 735 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 736 getDefaultScheme()); 737 verificationIntent.putExtra( 738 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 739 ivs.getHostsString()); 740 verificationIntent.putExtra( 741 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 742 ivs.getPackageName()); 743 verificationIntent.setComponent(mIntentFilterVerifierComponent); 744 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 745 746 UserHandle user = new UserHandle(userId); 747 mContext.sendBroadcastAsUser(verificationIntent, user); 748 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 749 "Sending IntentFilter verification broadcast"); 750 } 751 752 public void receiveVerificationResponse(int verificationId) { 753 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 754 755 final boolean verified = ivs.isVerified(); 756 757 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 758 final int count = filters.size(); 759 if (DEBUG_DOMAIN_VERIFICATION) { 760 Slog.i(TAG, "Received verification response " + verificationId 761 + " for " + count + " filters, verified=" + verified); 762 } 763 for (int n=0; n<count; n++) { 764 PackageParser.ActivityIntentInfo filter = filters.get(n); 765 filter.setVerified(verified); 766 767 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 768 + " verified with result:" + verified + " and hosts:" 769 + ivs.getHostsString()); 770 } 771 772 mIntentFilterVerificationStates.remove(verificationId); 773 774 final String packageName = ivs.getPackageName(); 775 IntentFilterVerificationInfo ivi = null; 776 777 synchronized (mPackages) { 778 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 779 } 780 if (ivi == null) { 781 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 782 + verificationId + " packageName:" + packageName); 783 return; 784 } 785 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 786 "Updating IntentFilterVerificationInfo for package " + packageName 787 +" verificationId:" + verificationId); 788 789 synchronized (mPackages) { 790 if (verified) { 791 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 792 } else { 793 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 794 } 795 scheduleWriteSettingsLocked(); 796 797 final int userId = ivs.getUserId(); 798 if (userId != UserHandle.USER_ALL) { 799 final int userStatus = 800 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 801 802 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 803 boolean needUpdate = false; 804 805 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 806 // already been set by the User thru the Disambiguation dialog 807 switch (userStatus) { 808 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 809 if (verified) { 810 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 811 } else { 812 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 813 } 814 needUpdate = true; 815 break; 816 817 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 818 if (verified) { 819 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 820 needUpdate = true; 821 } 822 break; 823 824 default: 825 // Nothing to do 826 } 827 828 if (needUpdate) { 829 mSettings.updateIntentFilterVerificationStatusLPw( 830 packageName, updatedStatus, userId); 831 scheduleWritePackageRestrictionsLocked(userId); 832 } 833 } 834 } 835 } 836 837 @Override 838 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 839 ActivityIntentInfo filter, String packageName) { 840 if (!hasValidDomains(filter)) { 841 return false; 842 } 843 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 844 if (ivs == null) { 845 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 846 packageName); 847 } 848 if (DEBUG_DOMAIN_VERIFICATION) { 849 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 850 } 851 ivs.addFilter(filter); 852 return true; 853 } 854 855 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 856 int userId, int verificationId, String packageName) { 857 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 858 verifierUid, userId, packageName); 859 ivs.setPendingState(); 860 synchronized (mPackages) { 861 mIntentFilterVerificationStates.append(verificationId, ivs); 862 mCurrentIntentFilterVerifications.add(verificationId); 863 } 864 return ivs; 865 } 866 } 867 868 private static boolean hasValidDomains(ActivityIntentInfo filter) { 869 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 870 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 871 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 872 } 873 874 // Set of pending broadcasts for aggregating enable/disable of components. 875 static class PendingPackageBroadcasts { 876 // for each user id, a map of <package name -> components within that package> 877 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 878 879 public PendingPackageBroadcasts() { 880 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 881 } 882 883 public ArrayList<String> get(int userId, String packageName) { 884 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 885 return packages.get(packageName); 886 } 887 888 public void put(int userId, String packageName, ArrayList<String> components) { 889 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 890 packages.put(packageName, components); 891 } 892 893 public void remove(int userId, String packageName) { 894 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 895 if (packages != null) { 896 packages.remove(packageName); 897 } 898 } 899 900 public void remove(int userId) { 901 mUidMap.remove(userId); 902 } 903 904 public int userIdCount() { 905 return mUidMap.size(); 906 } 907 908 public int userIdAt(int n) { 909 return mUidMap.keyAt(n); 910 } 911 912 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 913 return mUidMap.get(userId); 914 } 915 916 public int size() { 917 // total number of pending broadcast entries across all userIds 918 int num = 0; 919 for (int i = 0; i< mUidMap.size(); i++) { 920 num += mUidMap.valueAt(i).size(); 921 } 922 return num; 923 } 924 925 public void clear() { 926 mUidMap.clear(); 927 } 928 929 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 930 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 931 if (map == null) { 932 map = new ArrayMap<String, ArrayList<String>>(); 933 mUidMap.put(userId, map); 934 } 935 return map; 936 } 937 } 938 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 939 940 // Service Connection to remote media container service to copy 941 // package uri's from external media onto secure containers 942 // or internal storage. 943 private IMediaContainerService mContainerService = null; 944 945 static final int SEND_PENDING_BROADCAST = 1; 946 static final int MCS_BOUND = 3; 947 static final int END_COPY = 4; 948 static final int INIT_COPY = 5; 949 static final int MCS_UNBIND = 6; 950 static final int START_CLEANING_PACKAGE = 7; 951 static final int FIND_INSTALL_LOC = 8; 952 static final int POST_INSTALL = 9; 953 static final int MCS_RECONNECT = 10; 954 static final int MCS_GIVE_UP = 11; 955 static final int UPDATED_MEDIA_STATUS = 12; 956 static final int WRITE_SETTINGS = 13; 957 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 958 static final int PACKAGE_VERIFIED = 15; 959 static final int CHECK_PENDING_VERIFICATION = 16; 960 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 961 static final int INTENT_FILTER_VERIFIED = 18; 962 963 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 964 965 // Delay time in millisecs 966 static final int BROADCAST_DELAY = 10 * 1000; 967 968 static UserManagerService sUserManager; 969 970 // Stores a list of users whose package restrictions file needs to be updated 971 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 972 973 final private DefaultContainerConnection mDefContainerConn = 974 new DefaultContainerConnection(); 975 class DefaultContainerConnection implements ServiceConnection { 976 public void onServiceConnected(ComponentName name, IBinder service) { 977 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 978 IMediaContainerService imcs = 979 IMediaContainerService.Stub.asInterface(service); 980 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 981 } 982 983 public void onServiceDisconnected(ComponentName name) { 984 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 985 } 986 } 987 988 // Recordkeeping of restore-after-install operations that are currently in flight 989 // between the Package Manager and the Backup Manager 990 static class PostInstallData { 991 public InstallArgs args; 992 public PackageInstalledInfo res; 993 994 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 995 args = _a; 996 res = _r; 997 } 998 } 999 1000 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1001 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1002 1003 // XML tags for backup/restore of various bits of state 1004 private static final String TAG_PREFERRED_BACKUP = "pa"; 1005 private static final String TAG_DEFAULT_APPS = "da"; 1006 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1007 1008 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1009 private static final String TAG_ALL_GRANTS = "rt-grants"; 1010 private static final String TAG_GRANT = "grant"; 1011 private static final String ATTR_PACKAGE_NAME = "pkg"; 1012 1013 private static final String TAG_PERMISSION = "perm"; 1014 private static final String ATTR_PERMISSION_NAME = "name"; 1015 private static final String ATTR_IS_GRANTED = "g"; 1016 private static final String ATTR_USER_SET = "set"; 1017 private static final String ATTR_USER_FIXED = "fixed"; 1018 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1019 1020 // System/policy permission grants are not backed up 1021 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1022 FLAG_PERMISSION_POLICY_FIXED 1023 | FLAG_PERMISSION_SYSTEM_FIXED 1024 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1025 1026 // And we back up these user-adjusted states 1027 private static final int USER_RUNTIME_GRANT_MASK = 1028 FLAG_PERMISSION_USER_SET 1029 | FLAG_PERMISSION_USER_FIXED 1030 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1031 1032 final @Nullable String mRequiredVerifierPackage; 1033 final @Nullable String mRequiredInstallerPackage; 1034 1035 private final PackageUsage mPackageUsage = new PackageUsage(); 1036 1037 private class PackageUsage { 1038 private static final int WRITE_INTERVAL 1039 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1040 1041 private final Object mFileLock = new Object(); 1042 private final AtomicLong mLastWritten = new AtomicLong(0); 1043 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1044 1045 private boolean mIsHistoricalPackageUsageAvailable = true; 1046 1047 boolean isHistoricalPackageUsageAvailable() { 1048 return mIsHistoricalPackageUsageAvailable; 1049 } 1050 1051 void write(boolean force) { 1052 if (force) { 1053 writeInternal(); 1054 return; 1055 } 1056 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1057 && !DEBUG_DEXOPT) { 1058 return; 1059 } 1060 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1061 new Thread("PackageUsage_DiskWriter") { 1062 @Override 1063 public void run() { 1064 try { 1065 writeInternal(); 1066 } finally { 1067 mBackgroundWriteRunning.set(false); 1068 } 1069 } 1070 }.start(); 1071 } 1072 } 1073 1074 private void writeInternal() { 1075 synchronized (mPackages) { 1076 synchronized (mFileLock) { 1077 AtomicFile file = getFile(); 1078 FileOutputStream f = null; 1079 try { 1080 f = file.startWrite(); 1081 BufferedOutputStream out = new BufferedOutputStream(f); 1082 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1083 StringBuilder sb = new StringBuilder(); 1084 for (PackageParser.Package pkg : mPackages.values()) { 1085 if (pkg.mLastPackageUsageTimeInMills == 0) { 1086 continue; 1087 } 1088 sb.setLength(0); 1089 sb.append(pkg.packageName); 1090 sb.append(' '); 1091 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1092 sb.append('\n'); 1093 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1094 } 1095 out.flush(); 1096 file.finishWrite(f); 1097 } catch (IOException e) { 1098 if (f != null) { 1099 file.failWrite(f); 1100 } 1101 Log.e(TAG, "Failed to write package usage times", e); 1102 } 1103 } 1104 } 1105 mLastWritten.set(SystemClock.elapsedRealtime()); 1106 } 1107 1108 void readLP() { 1109 synchronized (mFileLock) { 1110 AtomicFile file = getFile(); 1111 BufferedInputStream in = null; 1112 try { 1113 in = new BufferedInputStream(file.openRead()); 1114 StringBuffer sb = new StringBuffer(); 1115 while (true) { 1116 String packageName = readToken(in, sb, ' '); 1117 if (packageName == null) { 1118 break; 1119 } 1120 String timeInMillisString = readToken(in, sb, '\n'); 1121 if (timeInMillisString == null) { 1122 throw new IOException("Failed to find last usage time for package " 1123 + packageName); 1124 } 1125 PackageParser.Package pkg = mPackages.get(packageName); 1126 if (pkg == null) { 1127 continue; 1128 } 1129 long timeInMillis; 1130 try { 1131 timeInMillis = Long.parseLong(timeInMillisString); 1132 } catch (NumberFormatException e) { 1133 throw new IOException("Failed to parse " + timeInMillisString 1134 + " as a long.", e); 1135 } 1136 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1137 } 1138 } catch (FileNotFoundException expected) { 1139 mIsHistoricalPackageUsageAvailable = false; 1140 } catch (IOException e) { 1141 Log.w(TAG, "Failed to read package usage times", e); 1142 } finally { 1143 IoUtils.closeQuietly(in); 1144 } 1145 } 1146 mLastWritten.set(SystemClock.elapsedRealtime()); 1147 } 1148 1149 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1150 throws IOException { 1151 sb.setLength(0); 1152 while (true) { 1153 int ch = in.read(); 1154 if (ch == -1) { 1155 if (sb.length() == 0) { 1156 return null; 1157 } 1158 throw new IOException("Unexpected EOF"); 1159 } 1160 if (ch == endOfToken) { 1161 return sb.toString(); 1162 } 1163 sb.append((char)ch); 1164 } 1165 } 1166 1167 private AtomicFile getFile() { 1168 File dataDir = Environment.getDataDirectory(); 1169 File systemDir = new File(dataDir, "system"); 1170 File fname = new File(systemDir, "package-usage.list"); 1171 return new AtomicFile(fname); 1172 } 1173 } 1174 1175 class PackageHandler extends Handler { 1176 private boolean mBound = false; 1177 final ArrayList<HandlerParams> mPendingInstalls = 1178 new ArrayList<HandlerParams>(); 1179 1180 private boolean connectToService() { 1181 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1182 " DefaultContainerService"); 1183 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1184 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1185 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1186 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1187 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1188 mBound = true; 1189 return true; 1190 } 1191 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1192 return false; 1193 } 1194 1195 private void disconnectService() { 1196 mContainerService = null; 1197 mBound = false; 1198 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1199 mContext.unbindService(mDefContainerConn); 1200 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1201 } 1202 1203 PackageHandler(Looper looper) { 1204 super(looper); 1205 } 1206 1207 public void handleMessage(Message msg) { 1208 try { 1209 doHandleMessage(msg); 1210 } finally { 1211 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1212 } 1213 } 1214 1215 void doHandleMessage(Message msg) { 1216 switch (msg.what) { 1217 case INIT_COPY: { 1218 HandlerParams params = (HandlerParams) msg.obj; 1219 int idx = mPendingInstalls.size(); 1220 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1221 // If a bind was already initiated we dont really 1222 // need to do anything. The pending install 1223 // will be processed later on. 1224 if (!mBound) { 1225 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1226 System.identityHashCode(mHandler)); 1227 // If this is the only one pending we might 1228 // have to bind to the service again. 1229 if (!connectToService()) { 1230 Slog.e(TAG, "Failed to bind to media container service"); 1231 params.serviceError(); 1232 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1233 System.identityHashCode(mHandler)); 1234 if (params.traceMethod != null) { 1235 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1236 params.traceCookie); 1237 } 1238 return; 1239 } else { 1240 // Once we bind to the service, the first 1241 // pending request will be processed. 1242 mPendingInstalls.add(idx, params); 1243 } 1244 } else { 1245 mPendingInstalls.add(idx, params); 1246 // Already bound to the service. Just make 1247 // sure we trigger off processing the first request. 1248 if (idx == 0) { 1249 mHandler.sendEmptyMessage(MCS_BOUND); 1250 } 1251 } 1252 break; 1253 } 1254 case MCS_BOUND: { 1255 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1256 if (msg.obj != null) { 1257 mContainerService = (IMediaContainerService) msg.obj; 1258 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1259 System.identityHashCode(mHandler)); 1260 } 1261 if (mContainerService == null) { 1262 if (!mBound) { 1263 // Something seriously wrong since we are not bound and we are not 1264 // waiting for connection. Bail out. 1265 Slog.e(TAG, "Cannot bind to media container service"); 1266 for (HandlerParams params : mPendingInstalls) { 1267 // Indicate service bind error 1268 params.serviceError(); 1269 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1270 System.identityHashCode(params)); 1271 if (params.traceMethod != null) { 1272 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1273 params.traceMethod, params.traceCookie); 1274 } 1275 return; 1276 } 1277 mPendingInstalls.clear(); 1278 } else { 1279 Slog.w(TAG, "Waiting to connect to media container service"); 1280 } 1281 } else if (mPendingInstalls.size() > 0) { 1282 HandlerParams params = mPendingInstalls.get(0); 1283 if (params != null) { 1284 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1285 System.identityHashCode(params)); 1286 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1287 if (params.startCopy()) { 1288 // We are done... look for more work or to 1289 // go idle. 1290 if (DEBUG_SD_INSTALL) Log.i(TAG, 1291 "Checking for more work or unbind..."); 1292 // Delete pending install 1293 if (mPendingInstalls.size() > 0) { 1294 mPendingInstalls.remove(0); 1295 } 1296 if (mPendingInstalls.size() == 0) { 1297 if (mBound) { 1298 if (DEBUG_SD_INSTALL) Log.i(TAG, 1299 "Posting delayed MCS_UNBIND"); 1300 removeMessages(MCS_UNBIND); 1301 Message ubmsg = obtainMessage(MCS_UNBIND); 1302 // Unbind after a little delay, to avoid 1303 // continual thrashing. 1304 sendMessageDelayed(ubmsg, 10000); 1305 } 1306 } else { 1307 // There are more pending requests in queue. 1308 // Just post MCS_BOUND message to trigger processing 1309 // of next pending install. 1310 if (DEBUG_SD_INSTALL) Log.i(TAG, 1311 "Posting MCS_BOUND for next work"); 1312 mHandler.sendEmptyMessage(MCS_BOUND); 1313 } 1314 } 1315 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1316 } 1317 } else { 1318 // Should never happen ideally. 1319 Slog.w(TAG, "Empty queue"); 1320 } 1321 break; 1322 } 1323 case MCS_RECONNECT: { 1324 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1325 if (mPendingInstalls.size() > 0) { 1326 if (mBound) { 1327 disconnectService(); 1328 } 1329 if (!connectToService()) { 1330 Slog.e(TAG, "Failed to bind to media container service"); 1331 for (HandlerParams params : mPendingInstalls) { 1332 // Indicate service bind error 1333 params.serviceError(); 1334 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1335 System.identityHashCode(params)); 1336 } 1337 mPendingInstalls.clear(); 1338 } 1339 } 1340 break; 1341 } 1342 case MCS_UNBIND: { 1343 // If there is no actual work left, then time to unbind. 1344 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1345 1346 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1347 if (mBound) { 1348 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1349 1350 disconnectService(); 1351 } 1352 } else if (mPendingInstalls.size() > 0) { 1353 // There are more pending requests in queue. 1354 // Just post MCS_BOUND message to trigger processing 1355 // of next pending install. 1356 mHandler.sendEmptyMessage(MCS_BOUND); 1357 } 1358 1359 break; 1360 } 1361 case MCS_GIVE_UP: { 1362 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1363 HandlerParams params = mPendingInstalls.remove(0); 1364 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1365 System.identityHashCode(params)); 1366 break; 1367 } 1368 case SEND_PENDING_BROADCAST: { 1369 String packages[]; 1370 ArrayList<String> components[]; 1371 int size = 0; 1372 int uids[]; 1373 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1374 synchronized (mPackages) { 1375 if (mPendingBroadcasts == null) { 1376 return; 1377 } 1378 size = mPendingBroadcasts.size(); 1379 if (size <= 0) { 1380 // Nothing to be done. Just return 1381 return; 1382 } 1383 packages = new String[size]; 1384 components = new ArrayList[size]; 1385 uids = new int[size]; 1386 int i = 0; // filling out the above arrays 1387 1388 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1389 int packageUserId = mPendingBroadcasts.userIdAt(n); 1390 Iterator<Map.Entry<String, ArrayList<String>>> it 1391 = mPendingBroadcasts.packagesForUserId(packageUserId) 1392 .entrySet().iterator(); 1393 while (it.hasNext() && i < size) { 1394 Map.Entry<String, ArrayList<String>> ent = it.next(); 1395 packages[i] = ent.getKey(); 1396 components[i] = ent.getValue(); 1397 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1398 uids[i] = (ps != null) 1399 ? UserHandle.getUid(packageUserId, ps.appId) 1400 : -1; 1401 i++; 1402 } 1403 } 1404 size = i; 1405 mPendingBroadcasts.clear(); 1406 } 1407 // Send broadcasts 1408 for (int i = 0; i < size; i++) { 1409 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1410 } 1411 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1412 break; 1413 } 1414 case START_CLEANING_PACKAGE: { 1415 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1416 final String packageName = (String)msg.obj; 1417 final int userId = msg.arg1; 1418 final boolean andCode = msg.arg2 != 0; 1419 synchronized (mPackages) { 1420 if (userId == UserHandle.USER_ALL) { 1421 int[] users = sUserManager.getUserIds(); 1422 for (int user : users) { 1423 mSettings.addPackageToCleanLPw( 1424 new PackageCleanItem(user, packageName, andCode)); 1425 } 1426 } else { 1427 mSettings.addPackageToCleanLPw( 1428 new PackageCleanItem(userId, packageName, andCode)); 1429 } 1430 } 1431 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1432 startCleaningPackages(); 1433 } break; 1434 case POST_INSTALL: { 1435 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1436 1437 PostInstallData data = mRunningInstalls.get(msg.arg1); 1438 mRunningInstalls.delete(msg.arg1); 1439 1440 if (data != null) { 1441 InstallArgs args = data.args; 1442 PackageInstalledInfo parentRes = data.res; 1443 1444 final boolean grantPermissions = (args.installFlags 1445 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1446 final boolean killApp = (args.installFlags 1447 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1448 final String[] grantedPermissions = args.installGrantPermissions; 1449 1450 // Handle the parent package 1451 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1452 grantedPermissions, args.observer); 1453 1454 // Handle the child packages 1455 final int childCount = (parentRes.addedChildPackages != null) 1456 ? parentRes.addedChildPackages.size() : 0; 1457 for (int i = 0; i < childCount; i++) { 1458 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1459 handlePackagePostInstall(childRes, grantPermissions, killApp, 1460 grantedPermissions, args.observer); 1461 } 1462 1463 // Log tracing if needed 1464 if (args.traceMethod != null) { 1465 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1466 args.traceCookie); 1467 } 1468 } else { 1469 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1470 } 1471 1472 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1473 } break; 1474 case UPDATED_MEDIA_STATUS: { 1475 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1476 boolean reportStatus = msg.arg1 == 1; 1477 boolean doGc = msg.arg2 == 1; 1478 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1479 if (doGc) { 1480 // Force a gc to clear up stale containers. 1481 Runtime.getRuntime().gc(); 1482 } 1483 if (msg.obj != null) { 1484 @SuppressWarnings("unchecked") 1485 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1486 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1487 // Unload containers 1488 unloadAllContainers(args); 1489 } 1490 if (reportStatus) { 1491 try { 1492 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1493 PackageHelper.getMountService().finishMediaUpdate(); 1494 } catch (RemoteException e) { 1495 Log.e(TAG, "MountService not running?"); 1496 } 1497 } 1498 } break; 1499 case WRITE_SETTINGS: { 1500 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1501 synchronized (mPackages) { 1502 removeMessages(WRITE_SETTINGS); 1503 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1504 mSettings.writeLPr(); 1505 mDirtyUsers.clear(); 1506 } 1507 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1508 } break; 1509 case WRITE_PACKAGE_RESTRICTIONS: { 1510 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1511 synchronized (mPackages) { 1512 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1513 for (int userId : mDirtyUsers) { 1514 mSettings.writePackageRestrictionsLPr(userId); 1515 } 1516 mDirtyUsers.clear(); 1517 } 1518 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1519 } break; 1520 case CHECK_PENDING_VERIFICATION: { 1521 final int verificationId = msg.arg1; 1522 final PackageVerificationState state = mPendingVerification.get(verificationId); 1523 1524 if ((state != null) && !state.timeoutExtended()) { 1525 final InstallArgs args = state.getInstallArgs(); 1526 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1527 1528 Slog.i(TAG, "Verification timed out for " + originUri); 1529 mPendingVerification.remove(verificationId); 1530 1531 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1532 1533 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1534 Slog.i(TAG, "Continuing with installation of " + originUri); 1535 state.setVerifierResponse(Binder.getCallingUid(), 1536 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1537 broadcastPackageVerified(verificationId, originUri, 1538 PackageManager.VERIFICATION_ALLOW, 1539 state.getInstallArgs().getUser()); 1540 try { 1541 ret = args.copyApk(mContainerService, true); 1542 } catch (RemoteException e) { 1543 Slog.e(TAG, "Could not contact the ContainerService"); 1544 } 1545 } else { 1546 broadcastPackageVerified(verificationId, originUri, 1547 PackageManager.VERIFICATION_REJECT, 1548 state.getInstallArgs().getUser()); 1549 } 1550 1551 Trace.asyncTraceEnd( 1552 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1553 1554 processPendingInstall(args, ret); 1555 mHandler.sendEmptyMessage(MCS_UNBIND); 1556 } 1557 break; 1558 } 1559 case PACKAGE_VERIFIED: { 1560 final int verificationId = msg.arg1; 1561 1562 final PackageVerificationState state = mPendingVerification.get(verificationId); 1563 if (state == null) { 1564 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1565 break; 1566 } 1567 1568 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1569 1570 state.setVerifierResponse(response.callerUid, response.code); 1571 1572 if (state.isVerificationComplete()) { 1573 mPendingVerification.remove(verificationId); 1574 1575 final InstallArgs args = state.getInstallArgs(); 1576 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1577 1578 int ret; 1579 if (state.isInstallAllowed()) { 1580 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1581 broadcastPackageVerified(verificationId, originUri, 1582 response.code, state.getInstallArgs().getUser()); 1583 try { 1584 ret = args.copyApk(mContainerService, true); 1585 } catch (RemoteException e) { 1586 Slog.e(TAG, "Could not contact the ContainerService"); 1587 } 1588 } else { 1589 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1590 } 1591 1592 Trace.asyncTraceEnd( 1593 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1594 1595 processPendingInstall(args, ret); 1596 mHandler.sendEmptyMessage(MCS_UNBIND); 1597 } 1598 1599 break; 1600 } 1601 case START_INTENT_FILTER_VERIFICATIONS: { 1602 IFVerificationParams params = (IFVerificationParams) msg.obj; 1603 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1604 params.replacing, params.pkg); 1605 break; 1606 } 1607 case INTENT_FILTER_VERIFIED: { 1608 final int verificationId = msg.arg1; 1609 1610 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1611 verificationId); 1612 if (state == null) { 1613 Slog.w(TAG, "Invalid IntentFilter verification token " 1614 + verificationId + " received"); 1615 break; 1616 } 1617 1618 final int userId = state.getUserId(); 1619 1620 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1621 "Processing IntentFilter verification with token:" 1622 + verificationId + " and userId:" + userId); 1623 1624 final IntentFilterVerificationResponse response = 1625 (IntentFilterVerificationResponse) msg.obj; 1626 1627 state.setVerifierResponse(response.callerUid, response.code); 1628 1629 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1630 "IntentFilter verification with token:" + verificationId 1631 + " and userId:" + userId 1632 + " is settings verifier response with response code:" 1633 + response.code); 1634 1635 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1636 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1637 + response.getFailedDomainsString()); 1638 } 1639 1640 if (state.isVerificationComplete()) { 1641 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1642 } else { 1643 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1644 "IntentFilter verification with token:" + verificationId 1645 + " was not said to be complete"); 1646 } 1647 1648 break; 1649 } 1650 } 1651 } 1652 } 1653 1654 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1655 boolean killApp, String[] grantedPermissions, 1656 IPackageInstallObserver2 installObserver) { 1657 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1658 // Send the removed broadcasts 1659 if (res.removedInfo != null) { 1660 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1661 } 1662 1663 // Now that we successfully installed the package, grant runtime 1664 // permissions if requested before broadcasting the install. 1665 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1666 >= Build.VERSION_CODES.M) { 1667 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1668 } 1669 1670 final boolean update = res.removedInfo != null 1671 && res.removedInfo.removedPackage != null; 1672 1673 // If this is the first time we have child packages for a disabled privileged 1674 // app that had no children, we grant requested runtime permissions to the new 1675 // children if the parent on the system image had them already granted. 1676 if (res.pkg.parentPackage != null) { 1677 synchronized (mPackages) { 1678 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1679 } 1680 } 1681 1682 synchronized (mPackages) { 1683 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1684 } 1685 1686 final String packageName = res.pkg.applicationInfo.packageName; 1687 Bundle extras = new Bundle(1); 1688 extras.putInt(Intent.EXTRA_UID, res.uid); 1689 1690 // Determine the set of users who are adding this package for 1691 // the first time vs. those who are seeing an update. 1692 int[] firstUsers = EMPTY_INT_ARRAY; 1693 int[] updateUsers = EMPTY_INT_ARRAY; 1694 if (res.origUsers == null || res.origUsers.length == 0) { 1695 firstUsers = res.newUsers; 1696 } else { 1697 for (int newUser : res.newUsers) { 1698 boolean isNew = true; 1699 for (int origUser : res.origUsers) { 1700 if (origUser == newUser) { 1701 isNew = false; 1702 break; 1703 } 1704 } 1705 if (isNew) { 1706 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1707 } else { 1708 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1709 } 1710 } 1711 } 1712 1713 // Send installed broadcasts if the install/update is not ephemeral 1714 if (!isEphemeral(res.pkg)) { 1715 // Send added for users that see the package for the first time 1716 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1717 extras, 0 /*flags*/, null /*targetPackage*/, 1718 null /*finishedReceiver*/, firstUsers); 1719 1720 // Send added for users that don't see the package for the first time 1721 if (update) { 1722 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1723 } 1724 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1725 extras, 0 /*flags*/, null /*targetPackage*/, 1726 null /*finishedReceiver*/, updateUsers); 1727 1728 // Send replaced for users that don't see the package for the first time 1729 if (update) { 1730 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1731 packageName, extras, 0 /*flags*/, 1732 null /*targetPackage*/, null /*finishedReceiver*/, 1733 updateUsers); 1734 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1735 null /*package*/, null /*extras*/, 0 /*flags*/, 1736 packageName /*targetPackage*/, 1737 null /*finishedReceiver*/, updateUsers); 1738 } 1739 1740 // Send broadcast package appeared if forward locked/external for all users 1741 // treat asec-hosted packages like removable media on upgrade 1742 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1743 if (DEBUG_INSTALL) { 1744 Slog.i(TAG, "upgrading pkg " + res.pkg 1745 + " is ASEC-hosted -> AVAILABLE"); 1746 } 1747 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1748 ArrayList<String> pkgList = new ArrayList<>(1); 1749 pkgList.add(packageName); 1750 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1751 } 1752 } 1753 1754 // Work that needs to happen on first install within each user 1755 if (firstUsers != null && firstUsers.length > 0) { 1756 synchronized (mPackages) { 1757 for (int userId : firstUsers) { 1758 // If this app is a browser and it's newly-installed for some 1759 // users, clear any default-browser state in those users. The 1760 // app's nature doesn't depend on the user, so we can just check 1761 // its browser nature in any user and generalize. 1762 if (packageIsBrowser(packageName, userId)) { 1763 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1764 } 1765 1766 // We may also need to apply pending (restored) runtime 1767 // permission grants within these users. 1768 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1769 } 1770 } 1771 } 1772 1773 // Log current value of "unknown sources" setting 1774 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1775 getUnknownSourcesSettings()); 1776 1777 // Force a gc to clear up things 1778 Runtime.getRuntime().gc(); 1779 1780 // Remove the replaced package's older resources safely now 1781 // We delete after a gc for applications on sdcard. 1782 if (res.removedInfo != null && res.removedInfo.args != null) { 1783 synchronized (mInstallLock) { 1784 res.removedInfo.args.doPostDeleteLI(true); 1785 } 1786 } 1787 } 1788 1789 // If someone is watching installs - notify them 1790 if (installObserver != null) { 1791 try { 1792 Bundle extras = extrasForInstallResult(res); 1793 installObserver.onPackageInstalled(res.name, res.returnCode, 1794 res.returnMsg, extras); 1795 } catch (RemoteException e) { 1796 Slog.i(TAG, "Observer no longer exists."); 1797 } 1798 } 1799 } 1800 1801 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1802 PackageParser.Package pkg) { 1803 if (pkg.parentPackage == null) { 1804 return; 1805 } 1806 if (pkg.requestedPermissions == null) { 1807 return; 1808 } 1809 final PackageSetting disabledSysParentPs = mSettings 1810 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1811 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1812 || !disabledSysParentPs.isPrivileged() 1813 || (disabledSysParentPs.childPackageNames != null 1814 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1815 return; 1816 } 1817 final int[] allUserIds = sUserManager.getUserIds(); 1818 final int permCount = pkg.requestedPermissions.size(); 1819 for (int i = 0; i < permCount; i++) { 1820 String permission = pkg.requestedPermissions.get(i); 1821 BasePermission bp = mSettings.mPermissions.get(permission); 1822 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1823 continue; 1824 } 1825 for (int userId : allUserIds) { 1826 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1827 permission, userId)) { 1828 grantRuntimePermission(pkg.packageName, permission, userId); 1829 } 1830 } 1831 } 1832 } 1833 1834 private StorageEventListener mStorageListener = new StorageEventListener() { 1835 @Override 1836 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1837 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1838 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1839 final String volumeUuid = vol.getFsUuid(); 1840 1841 // Clean up any users or apps that were removed or recreated 1842 // while this volume was missing 1843 reconcileUsers(volumeUuid); 1844 reconcileApps(volumeUuid); 1845 1846 // Clean up any install sessions that expired or were 1847 // cancelled while this volume was missing 1848 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1849 1850 loadPrivatePackages(vol); 1851 1852 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1853 unloadPrivatePackages(vol); 1854 } 1855 } 1856 1857 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1858 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1859 updateExternalMediaStatus(true, false); 1860 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1861 updateExternalMediaStatus(false, false); 1862 } 1863 } 1864 } 1865 1866 @Override 1867 public void onVolumeForgotten(String fsUuid) { 1868 if (TextUtils.isEmpty(fsUuid)) { 1869 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1870 return; 1871 } 1872 1873 // Remove any apps installed on the forgotten volume 1874 synchronized (mPackages) { 1875 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1876 for (PackageSetting ps : packages) { 1877 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1878 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1879 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1880 } 1881 1882 mSettings.onVolumeForgotten(fsUuid); 1883 mSettings.writeLPr(); 1884 } 1885 } 1886 }; 1887 1888 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1889 String[] grantedPermissions) { 1890 for (int userId : userIds) { 1891 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1892 } 1893 1894 // We could have touched GID membership, so flush out packages.list 1895 synchronized (mPackages) { 1896 mSettings.writePackageListLPr(); 1897 } 1898 } 1899 1900 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1901 String[] grantedPermissions) { 1902 SettingBase sb = (SettingBase) pkg.mExtras; 1903 if (sb == null) { 1904 return; 1905 } 1906 1907 PermissionsState permissionsState = sb.getPermissionsState(); 1908 1909 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1910 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1911 1912 synchronized (mPackages) { 1913 for (String permission : pkg.requestedPermissions) { 1914 BasePermission bp = mSettings.mPermissions.get(permission); 1915 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1916 && (grantedPermissions == null 1917 || ArrayUtils.contains(grantedPermissions, permission))) { 1918 final int flags = permissionsState.getPermissionFlags(permission, userId); 1919 // Installer cannot change immutable permissions. 1920 if ((flags & immutableFlags) == 0) { 1921 grantRuntimePermission(pkg.packageName, permission, userId); 1922 } 1923 } 1924 } 1925 } 1926 } 1927 1928 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1929 Bundle extras = null; 1930 switch (res.returnCode) { 1931 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1932 extras = new Bundle(); 1933 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1934 res.origPermission); 1935 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1936 res.origPackage); 1937 break; 1938 } 1939 case PackageManager.INSTALL_SUCCEEDED: { 1940 extras = new Bundle(); 1941 extras.putBoolean(Intent.EXTRA_REPLACING, 1942 res.removedInfo != null && res.removedInfo.removedPackage != null); 1943 break; 1944 } 1945 } 1946 return extras; 1947 } 1948 1949 void scheduleWriteSettingsLocked() { 1950 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1951 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1952 } 1953 } 1954 1955 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1956 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1957 scheduleWritePackageRestrictionsLocked(userId); 1958 } 1959 1960 void scheduleWritePackageRestrictionsLocked(int userId) { 1961 final int[] userIds = (userId == UserHandle.USER_ALL) 1962 ? sUserManager.getUserIds() : new int[]{userId}; 1963 for (int nextUserId : userIds) { 1964 if (!sUserManager.exists(nextUserId)) return; 1965 mDirtyUsers.add(nextUserId); 1966 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1967 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1968 } 1969 } 1970 } 1971 1972 public static PackageManagerService main(Context context, Installer installer, 1973 boolean factoryTest, boolean onlyCore) { 1974 // Self-check for initial settings. 1975 PackageManagerServiceCompilerMapping.checkProperties(); 1976 1977 PackageManagerService m = new PackageManagerService(context, installer, 1978 factoryTest, onlyCore); 1979 m.enableSystemUserPackages(); 1980 ServiceManager.addService("package", m); 1981 return m; 1982 } 1983 1984 private void enableSystemUserPackages() { 1985 if (!UserManager.isSplitSystemUser()) { 1986 return; 1987 } 1988 // For system user, enable apps based on the following conditions: 1989 // - app is whitelisted or belong to one of these groups: 1990 // -- system app which has no launcher icons 1991 // -- system app which has INTERACT_ACROSS_USERS permission 1992 // -- system IME app 1993 // - app is not in the blacklist 1994 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1995 Set<String> enableApps = new ArraySet<>(); 1996 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1997 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1998 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1999 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2000 enableApps.addAll(wlApps); 2001 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2002 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2003 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2004 enableApps.removeAll(blApps); 2005 Log.i(TAG, "Applications installed for system user: " + enableApps); 2006 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2007 UserHandle.SYSTEM); 2008 final int allAppsSize = allAps.size(); 2009 synchronized (mPackages) { 2010 for (int i = 0; i < allAppsSize; i++) { 2011 String pName = allAps.get(i); 2012 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2013 // Should not happen, but we shouldn't be failing if it does 2014 if (pkgSetting == null) { 2015 continue; 2016 } 2017 boolean install = enableApps.contains(pName); 2018 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2019 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2020 + " for system user"); 2021 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2022 } 2023 } 2024 } 2025 } 2026 2027 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2028 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2029 Context.DISPLAY_SERVICE); 2030 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2031 } 2032 2033 public PackageManagerService(Context context, Installer installer, 2034 boolean factoryTest, boolean onlyCore) { 2035 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2036 SystemClock.uptimeMillis()); 2037 2038 if (mSdkVersion <= 0) { 2039 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2040 } 2041 2042 mContext = context; 2043 mFactoryTest = factoryTest; 2044 mOnlyCore = onlyCore; 2045 mMetrics = new DisplayMetrics(); 2046 mSettings = new Settings(mPackages); 2047 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2048 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2049 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2050 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2051 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2052 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2053 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2054 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2055 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2056 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2057 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2058 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2059 2060 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2061 if (separateProcesses != null && separateProcesses.length() > 0) { 2062 if ("*".equals(separateProcesses)) { 2063 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2064 mSeparateProcesses = null; 2065 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2066 } else { 2067 mDefParseFlags = 0; 2068 mSeparateProcesses = separateProcesses.split(","); 2069 Slog.w(TAG, "Running with debug.separate_processes: " 2070 + separateProcesses); 2071 } 2072 } else { 2073 mDefParseFlags = 0; 2074 mSeparateProcesses = null; 2075 } 2076 2077 mInstaller = installer; 2078 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2079 "*dexopt*"); 2080 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2081 2082 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2083 FgThread.get().getLooper()); 2084 2085 getDefaultDisplayMetrics(context, mMetrics); 2086 2087 SystemConfig systemConfig = SystemConfig.getInstance(); 2088 mGlobalGids = systemConfig.getGlobalGids(); 2089 mSystemPermissions = systemConfig.getSystemPermissions(); 2090 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2091 2092 synchronized (mInstallLock) { 2093 // writer 2094 synchronized (mPackages) { 2095 mHandlerThread = new ServiceThread(TAG, 2096 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2097 mHandlerThread.start(); 2098 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2099 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2100 2101 File dataDir = Environment.getDataDirectory(); 2102 mAppInstallDir = new File(dataDir, "app"); 2103 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2104 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2105 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2106 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2107 2108 sUserManager = new UserManagerService(context, this, mPackages); 2109 2110 // Propagate permission configuration in to package manager. 2111 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2112 = systemConfig.getPermissions(); 2113 for (int i=0; i<permConfig.size(); i++) { 2114 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2115 BasePermission bp = mSettings.mPermissions.get(perm.name); 2116 if (bp == null) { 2117 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2118 mSettings.mPermissions.put(perm.name, bp); 2119 } 2120 if (perm.gids != null) { 2121 bp.setGids(perm.gids, perm.perUser); 2122 } 2123 } 2124 2125 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2126 for (int i=0; i<libConfig.size(); i++) { 2127 mSharedLibraries.put(libConfig.keyAt(i), 2128 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2129 } 2130 2131 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2132 2133 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2134 2135 String customResolverActivity = Resources.getSystem().getString( 2136 R.string.config_customResolverActivity); 2137 if (TextUtils.isEmpty(customResolverActivity)) { 2138 customResolverActivity = null; 2139 } else { 2140 mCustomResolverComponentName = ComponentName.unflattenFromString( 2141 customResolverActivity); 2142 } 2143 2144 long startTime = SystemClock.uptimeMillis(); 2145 2146 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2147 startTime); 2148 2149 // Set flag to monitor and not change apk file paths when 2150 // scanning install directories. 2151 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2152 2153 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2154 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2155 2156 if (bootClassPath == null) { 2157 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2158 } 2159 2160 if (systemServerClassPath == null) { 2161 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2162 } 2163 2164 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2165 final String[] dexCodeInstructionSets = 2166 getDexCodeInstructionSets( 2167 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2168 2169 /** 2170 * Ensure all external libraries have had dexopt run on them. 2171 */ 2172 if (mSharedLibraries.size() > 0) { 2173 // NOTE: For now, we're compiling these system "shared libraries" 2174 // (and framework jars) into all available architectures. It's possible 2175 // to compile them only when we come across an app that uses them (there's 2176 // already logic for that in scanPackageLI) but that adds some complexity. 2177 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2178 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2179 final String lib = libEntry.path; 2180 if (lib == null) { 2181 continue; 2182 } 2183 2184 try { 2185 // Shared libraries do not have profiles so we perform a full 2186 // AOT compilation (if needed). 2187 int dexoptNeeded = DexFile.getDexOptNeeded( 2188 lib, dexCodeInstructionSet, 2189 getCompilerFilterForReason(REASON_SHARED_APK), 2190 false /* newProfile */); 2191 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2192 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2193 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2194 getCompilerFilterForReason(REASON_SHARED_APK), 2195 StorageManager.UUID_PRIVATE_INTERNAL); 2196 } 2197 } catch (FileNotFoundException e) { 2198 Slog.w(TAG, "Library not found: " + lib); 2199 } catch (IOException | InstallerException e) { 2200 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2201 + e.getMessage()); 2202 } 2203 } 2204 } 2205 } 2206 2207 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2208 2209 final VersionInfo ver = mSettings.getInternalVersion(); 2210 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2211 2212 // when upgrading from pre-M, promote system app permissions from install to runtime 2213 mPromoteSystemApps = 2214 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2215 2216 // save off the names of pre-existing system packages prior to scanning; we don't 2217 // want to automatically grant runtime permissions for new system apps 2218 if (mPromoteSystemApps) { 2219 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2220 while (pkgSettingIter.hasNext()) { 2221 PackageSetting ps = pkgSettingIter.next(); 2222 if (isSystemApp(ps)) { 2223 mExistingSystemPackages.add(ps.name); 2224 } 2225 } 2226 } 2227 2228 // When upgrading from pre-N, we need to handle package extraction like first boot, 2229 // as there is no profiling data available. 2230 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2231 mSettings.setNWorkDone(); 2232 2233 // Collect vendor overlay packages. 2234 // (Do this before scanning any apps.) 2235 // For security and version matching reason, only consider 2236 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2237 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2238 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2239 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2240 2241 // Find base frameworks (resource packages without code). 2242 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2243 | PackageParser.PARSE_IS_SYSTEM_DIR 2244 | PackageParser.PARSE_IS_PRIVILEGED, 2245 scanFlags | SCAN_NO_DEX, 0); 2246 2247 // Collected privileged system packages. 2248 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2249 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2250 | PackageParser.PARSE_IS_SYSTEM_DIR 2251 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2252 2253 // Collect ordinary system packages. 2254 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2255 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2256 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2257 2258 // Collect all vendor packages. 2259 File vendorAppDir = new File("/vendor/app"); 2260 try { 2261 vendorAppDir = vendorAppDir.getCanonicalFile(); 2262 } catch (IOException e) { 2263 // failed to look up canonical path, continue with original one 2264 } 2265 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2266 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2267 2268 // Collect all OEM packages. 2269 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2270 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2271 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2272 2273 // Prune any system packages that no longer exist. 2274 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2275 if (!mOnlyCore) { 2276 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2277 while (psit.hasNext()) { 2278 PackageSetting ps = psit.next(); 2279 2280 /* 2281 * If this is not a system app, it can't be a 2282 * disable system app. 2283 */ 2284 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2285 continue; 2286 } 2287 2288 /* 2289 * If the package is scanned, it's not erased. 2290 */ 2291 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2292 if (scannedPkg != null) { 2293 /* 2294 * If the system app is both scanned and in the 2295 * disabled packages list, then it must have been 2296 * added via OTA. Remove it from the currently 2297 * scanned package so the previously user-installed 2298 * application can be scanned. 2299 */ 2300 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2301 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2302 + ps.name + "; removing system app. Last known codePath=" 2303 + ps.codePathString + ", installStatus=" + ps.installStatus 2304 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2305 + scannedPkg.mVersionCode); 2306 removePackageLI(scannedPkg, true); 2307 mExpectingBetter.put(ps.name, ps.codePath); 2308 } 2309 2310 continue; 2311 } 2312 2313 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2314 psit.remove(); 2315 logCriticalInfo(Log.WARN, "System package " + ps.name 2316 + " no longer exists; wiping its data"); 2317 removeDataDirsLI(null, ps.name); 2318 } else { 2319 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2320 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2321 possiblyDeletedUpdatedSystemApps.add(ps.name); 2322 } 2323 } 2324 } 2325 } 2326 2327 //look for any incomplete package installations 2328 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2329 //clean up list 2330 for(int i = 0; i < deletePkgsList.size(); i++) { 2331 //clean up here 2332 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2333 } 2334 //delete tmp files 2335 deleteTempPackageFiles(); 2336 2337 // Remove any shared userIDs that have no associated packages 2338 mSettings.pruneSharedUsersLPw(); 2339 2340 if (!mOnlyCore) { 2341 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2342 SystemClock.uptimeMillis()); 2343 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2344 2345 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2346 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2347 2348 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2349 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2350 2351 /** 2352 * Remove disable package settings for any updated system 2353 * apps that were removed via an OTA. If they're not a 2354 * previously-updated app, remove them completely. 2355 * Otherwise, just revoke their system-level permissions. 2356 */ 2357 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2358 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2359 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2360 2361 String msg; 2362 if (deletedPkg == null) { 2363 msg = "Updated system package " + deletedAppName 2364 + " no longer exists; wiping its data"; 2365 removeDataDirsLI(null, deletedAppName); 2366 } else { 2367 msg = "Updated system app + " + deletedAppName 2368 + " no longer present; removing system privileges for " 2369 + deletedAppName; 2370 2371 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2372 2373 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2374 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2375 } 2376 logCriticalInfo(Log.WARN, msg); 2377 } 2378 2379 /** 2380 * Make sure all system apps that we expected to appear on 2381 * the userdata partition actually showed up. If they never 2382 * appeared, crawl back and revive the system version. 2383 */ 2384 for (int i = 0; i < mExpectingBetter.size(); i++) { 2385 final String packageName = mExpectingBetter.keyAt(i); 2386 if (!mPackages.containsKey(packageName)) { 2387 final File scanFile = mExpectingBetter.valueAt(i); 2388 2389 logCriticalInfo(Log.WARN, "Expected better " + packageName 2390 + " but never showed up; reverting to system"); 2391 2392 final int reparseFlags; 2393 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2394 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2395 | PackageParser.PARSE_IS_SYSTEM_DIR 2396 | PackageParser.PARSE_IS_PRIVILEGED; 2397 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2398 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2399 | PackageParser.PARSE_IS_SYSTEM_DIR; 2400 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2401 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2402 | PackageParser.PARSE_IS_SYSTEM_DIR; 2403 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2404 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2405 | PackageParser.PARSE_IS_SYSTEM_DIR; 2406 } else { 2407 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2408 continue; 2409 } 2410 2411 mSettings.enableSystemPackageLPw(packageName); 2412 2413 try { 2414 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2415 } catch (PackageManagerException e) { 2416 Slog.e(TAG, "Failed to parse original system package: " 2417 + e.getMessage()); 2418 } 2419 } 2420 } 2421 } 2422 mExpectingBetter.clear(); 2423 2424 // Now that we know all of the shared libraries, update all clients to have 2425 // the correct library paths. 2426 updateAllSharedLibrariesLPw(); 2427 2428 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2429 // NOTE: We ignore potential failures here during a system scan (like 2430 // the rest of the commands above) because there's precious little we 2431 // can do about it. A settings error is reported, though. 2432 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2433 false /* boot complete */); 2434 } 2435 2436 // Now that we know all the packages we are keeping, 2437 // read and update their last usage times. 2438 mPackageUsage.readLP(); 2439 2440 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2441 SystemClock.uptimeMillis()); 2442 Slog.i(TAG, "Time to scan packages: " 2443 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2444 + " seconds"); 2445 2446 // If the platform SDK has changed since the last time we booted, 2447 // we need to re-grant app permission to catch any new ones that 2448 // appear. This is really a hack, and means that apps can in some 2449 // cases get permissions that the user didn't initially explicitly 2450 // allow... it would be nice to have some better way to handle 2451 // this situation. 2452 int updateFlags = UPDATE_PERMISSIONS_ALL; 2453 if (ver.sdkVersion != mSdkVersion) { 2454 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2455 + mSdkVersion + "; regranting permissions for internal storage"); 2456 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2457 } 2458 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2459 ver.sdkVersion = mSdkVersion; 2460 2461 // If this is the first boot or an update from pre-M, and it is a normal 2462 // boot, then we need to initialize the default preferred apps across 2463 // all defined users. 2464 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2465 for (UserInfo user : sUserManager.getUsers(true)) { 2466 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2467 applyFactoryDefaultBrowserLPw(user.id); 2468 primeDomainVerificationsLPw(user.id); 2469 } 2470 } 2471 2472 // Prepare storage for system user really early during boot, 2473 // since core system apps like SettingsProvider and SystemUI 2474 // can't wait for user to start 2475 final int storageFlags; 2476 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2477 storageFlags = StorageManager.FLAG_STORAGE_DE; 2478 } else { 2479 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2480 } 2481 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2482 storageFlags); 2483 2484 // If this is first boot after an OTA, and a normal boot, then 2485 // we need to clear code cache directories. 2486 if (mIsUpgrade && !onlyCore) { 2487 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2488 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2489 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2490 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2491 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2492 } 2493 } 2494 ver.fingerprint = Build.FINGERPRINT; 2495 } 2496 2497 checkDefaultBrowser(); 2498 2499 // clear only after permissions and other defaults have been updated 2500 mExistingSystemPackages.clear(); 2501 mPromoteSystemApps = false; 2502 2503 // All the changes are done during package scanning. 2504 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2505 2506 // can downgrade to reader 2507 mSettings.writeLPr(); 2508 2509 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2510 SystemClock.uptimeMillis()); 2511 2512 if (!mOnlyCore) { 2513 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2514 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2515 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2516 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2517 mIntentFilterVerifierComponent); 2518 } else { 2519 mRequiredVerifierPackage = null; 2520 mRequiredInstallerPackage = null; 2521 mIntentFilterVerifierComponent = null; 2522 mIntentFilterVerifier = null; 2523 } 2524 2525 mInstallerService = new PackageInstallerService(context, this); 2526 2527 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2528 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2529 // both the installer and resolver must be present to enable ephemeral 2530 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2531 if (DEBUG_EPHEMERAL) { 2532 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2533 + " installer:" + ephemeralInstallerComponent); 2534 } 2535 mEphemeralResolverComponent = ephemeralResolverComponent; 2536 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2537 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2538 mEphemeralResolverConnection = 2539 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2540 } else { 2541 if (DEBUG_EPHEMERAL) { 2542 final String missingComponent = 2543 (ephemeralResolverComponent == null) 2544 ? (ephemeralInstallerComponent == null) 2545 ? "resolver and installer" 2546 : "resolver" 2547 : "installer"; 2548 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2549 } 2550 mEphemeralResolverComponent = null; 2551 mEphemeralInstallerComponent = null; 2552 mEphemeralResolverConnection = null; 2553 } 2554 2555 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2556 } // synchronized (mPackages) 2557 } // synchronized (mInstallLock) 2558 2559 // Now after opening every single application zip, make sure they 2560 // are all flushed. Not really needed, but keeps things nice and 2561 // tidy. 2562 Runtime.getRuntime().gc(); 2563 2564 // The initial scanning above does many calls into installd while 2565 // holding the mPackages lock, but we're mostly interested in yelling 2566 // once we have a booted system. 2567 mInstaller.setWarnIfHeld(mPackages); 2568 2569 // Expose private service for system components to use. 2570 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2571 } 2572 2573 @Override 2574 public boolean isFirstBoot() { 2575 return !mRestoredSettings; 2576 } 2577 2578 @Override 2579 public boolean isOnlyCoreApps() { 2580 return mOnlyCore; 2581 } 2582 2583 @Override 2584 public boolean isUpgrade() { 2585 return mIsUpgrade; 2586 } 2587 2588 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2589 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2590 2591 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2592 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2593 UserHandle.USER_SYSTEM); 2594 if (matches.size() == 1) { 2595 return matches.get(0).getComponentInfo().packageName; 2596 } else { 2597 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2598 return null; 2599 } 2600 } 2601 2602 private @NonNull String getRequiredInstallerLPr() { 2603 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2604 intent.addCategory(Intent.CATEGORY_DEFAULT); 2605 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2606 2607 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2608 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2609 UserHandle.USER_SYSTEM); 2610 if (matches.size() == 1) { 2611 return matches.get(0).getComponentInfo().packageName; 2612 } else { 2613 throw new RuntimeException("There must be exactly one installer; found " + matches); 2614 } 2615 } 2616 2617 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2618 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2619 2620 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2621 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2622 UserHandle.USER_SYSTEM); 2623 ResolveInfo best = null; 2624 final int N = matches.size(); 2625 for (int i = 0; i < N; i++) { 2626 final ResolveInfo cur = matches.get(i); 2627 final String packageName = cur.getComponentInfo().packageName; 2628 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2629 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2630 continue; 2631 } 2632 2633 if (best == null || cur.priority > best.priority) { 2634 best = cur; 2635 } 2636 } 2637 2638 if (best != null) { 2639 return best.getComponentInfo().getComponentName(); 2640 } else { 2641 throw new RuntimeException("There must be at least one intent filter verifier"); 2642 } 2643 } 2644 2645 private @Nullable ComponentName getEphemeralResolverLPr() { 2646 final String[] packageArray = 2647 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2648 if (packageArray.length == 0) { 2649 if (DEBUG_EPHEMERAL) { 2650 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2651 } 2652 return null; 2653 } 2654 2655 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2656 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2657 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2658 UserHandle.USER_SYSTEM); 2659 2660 final int N = resolvers.size(); 2661 if (N == 0) { 2662 if (DEBUG_EPHEMERAL) { 2663 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2664 } 2665 return null; 2666 } 2667 2668 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2669 for (int i = 0; i < N; i++) { 2670 final ResolveInfo info = resolvers.get(i); 2671 2672 if (info.serviceInfo == null) { 2673 continue; 2674 } 2675 2676 final String packageName = info.serviceInfo.packageName; 2677 if (!possiblePackages.contains(packageName)) { 2678 if (DEBUG_EPHEMERAL) { 2679 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2680 + " pkg: " + packageName + ", info:" + info); 2681 } 2682 continue; 2683 } 2684 2685 if (DEBUG_EPHEMERAL) { 2686 Slog.v(TAG, "Ephemeral resolver found;" 2687 + " pkg: " + packageName + ", info:" + info); 2688 } 2689 return new ComponentName(packageName, info.serviceInfo.name); 2690 } 2691 if (DEBUG_EPHEMERAL) { 2692 Slog.v(TAG, "Ephemeral resolver NOT found"); 2693 } 2694 return null; 2695 } 2696 2697 private @Nullable ComponentName getEphemeralInstallerLPr() { 2698 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2699 intent.addCategory(Intent.CATEGORY_DEFAULT); 2700 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2701 2702 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2703 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2704 UserHandle.USER_SYSTEM); 2705 if (matches.size() == 0) { 2706 return null; 2707 } else if (matches.size() == 1) { 2708 return matches.get(0).getComponentInfo().getComponentName(); 2709 } else { 2710 throw new RuntimeException( 2711 "There must be at most one ephemeral installer; found " + matches); 2712 } 2713 } 2714 2715 private void primeDomainVerificationsLPw(int userId) { 2716 if (DEBUG_DOMAIN_VERIFICATION) { 2717 Slog.d(TAG, "Priming domain verifications in user " + userId); 2718 } 2719 2720 SystemConfig systemConfig = SystemConfig.getInstance(); 2721 ArraySet<String> packages = systemConfig.getLinkedApps(); 2722 ArraySet<String> domains = new ArraySet<String>(); 2723 2724 for (String packageName : packages) { 2725 PackageParser.Package pkg = mPackages.get(packageName); 2726 if (pkg != null) { 2727 if (!pkg.isSystemApp()) { 2728 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2729 continue; 2730 } 2731 2732 domains.clear(); 2733 for (PackageParser.Activity a : pkg.activities) { 2734 for (ActivityIntentInfo filter : a.intents) { 2735 if (hasValidDomains(filter)) { 2736 domains.addAll(filter.getHostsList()); 2737 } 2738 } 2739 } 2740 2741 if (domains.size() > 0) { 2742 if (DEBUG_DOMAIN_VERIFICATION) { 2743 Slog.v(TAG, " + " + packageName); 2744 } 2745 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2746 // state w.r.t. the formal app-linkage "no verification attempted" state; 2747 // and then 'always' in the per-user state actually used for intent resolution. 2748 final IntentFilterVerificationInfo ivi; 2749 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2750 new ArrayList<String>(domains)); 2751 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2752 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2753 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2754 } else { 2755 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2756 + "' does not handle web links"); 2757 } 2758 } else { 2759 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2760 } 2761 } 2762 2763 scheduleWritePackageRestrictionsLocked(userId); 2764 scheduleWriteSettingsLocked(); 2765 } 2766 2767 private void applyFactoryDefaultBrowserLPw(int userId) { 2768 // The default browser app's package name is stored in a string resource, 2769 // with a product-specific overlay used for vendor customization. 2770 String browserPkg = mContext.getResources().getString( 2771 com.android.internal.R.string.default_browser); 2772 if (!TextUtils.isEmpty(browserPkg)) { 2773 // non-empty string => required to be a known package 2774 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2775 if (ps == null) { 2776 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2777 browserPkg = null; 2778 } else { 2779 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2780 } 2781 } 2782 2783 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2784 // default. If there's more than one, just leave everything alone. 2785 if (browserPkg == null) { 2786 calculateDefaultBrowserLPw(userId); 2787 } 2788 } 2789 2790 private void calculateDefaultBrowserLPw(int userId) { 2791 List<String> allBrowsers = resolveAllBrowserApps(userId); 2792 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2793 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2794 } 2795 2796 private List<String> resolveAllBrowserApps(int userId) { 2797 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2798 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2799 PackageManager.MATCH_ALL, userId); 2800 2801 final int count = list.size(); 2802 List<String> result = new ArrayList<String>(count); 2803 for (int i=0; i<count; i++) { 2804 ResolveInfo info = list.get(i); 2805 if (info.activityInfo == null 2806 || !info.handleAllWebDataURI 2807 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2808 || result.contains(info.activityInfo.packageName)) { 2809 continue; 2810 } 2811 result.add(info.activityInfo.packageName); 2812 } 2813 2814 return result; 2815 } 2816 2817 private boolean packageIsBrowser(String packageName, int userId) { 2818 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2819 PackageManager.MATCH_ALL, userId); 2820 final int N = list.size(); 2821 for (int i = 0; i < N; i++) { 2822 ResolveInfo info = list.get(i); 2823 if (packageName.equals(info.activityInfo.packageName)) { 2824 return true; 2825 } 2826 } 2827 return false; 2828 } 2829 2830 private void checkDefaultBrowser() { 2831 final int myUserId = UserHandle.myUserId(); 2832 final String packageName = getDefaultBrowserPackageName(myUserId); 2833 if (packageName != null) { 2834 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2835 if (info == null) { 2836 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2837 synchronized (mPackages) { 2838 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2839 } 2840 } 2841 } 2842 } 2843 2844 @Override 2845 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2846 throws RemoteException { 2847 try { 2848 return super.onTransact(code, data, reply, flags); 2849 } catch (RuntimeException e) { 2850 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2851 Slog.wtf(TAG, "Package Manager Crash", e); 2852 } 2853 throw e; 2854 } 2855 } 2856 2857 void cleanupInstallFailedPackage(PackageSetting ps) { 2858 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2859 2860 removeDataDirsLI(ps.volumeUuid, ps.name); 2861 if (ps.codePath != null) { 2862 removeCodePathLI(ps.codePath); 2863 } 2864 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2865 if (ps.resourcePath.isDirectory()) { 2866 FileUtils.deleteContents(ps.resourcePath); 2867 } 2868 ps.resourcePath.delete(); 2869 } 2870 mSettings.removePackageLPw(ps.name); 2871 } 2872 2873 static int[] appendInts(int[] cur, int[] add) { 2874 if (add == null) return cur; 2875 if (cur == null) return add; 2876 final int N = add.length; 2877 for (int i=0; i<N; i++) { 2878 cur = appendInt(cur, add[i]); 2879 } 2880 return cur; 2881 } 2882 2883 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2884 if (!sUserManager.exists(userId)) return null; 2885 final PackageSetting ps = (PackageSetting) p.mExtras; 2886 if (ps == null) { 2887 return null; 2888 } 2889 2890 final PermissionsState permissionsState = ps.getPermissionsState(); 2891 2892 final int[] gids = permissionsState.computeGids(userId); 2893 final Set<String> permissions = permissionsState.getPermissions(userId); 2894 final PackageUserState state = ps.readUserState(userId); 2895 2896 return PackageParser.generatePackageInfo(p, gids, flags, 2897 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2898 } 2899 2900 @Override 2901 public void checkPackageStartable(String packageName, int userId) { 2902 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2903 2904 synchronized (mPackages) { 2905 final PackageSetting ps = mSettings.mPackages.get(packageName); 2906 if (ps == null) { 2907 throw new SecurityException("Package " + packageName + " was not found!"); 2908 } 2909 2910 if (!ps.getInstalled(userId)) { 2911 throw new SecurityException( 2912 "Package " + packageName + " was not installed for user " + userId + "!"); 2913 } 2914 2915 if (mSafeMode && !ps.isSystem()) { 2916 throw new SecurityException("Package " + packageName + " not a system app!"); 2917 } 2918 2919 if (ps.frozen) { 2920 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2921 } 2922 2923 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 2924 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 2925 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2926 } 2927 } 2928 } 2929 2930 @Override 2931 public boolean isPackageAvailable(String packageName, int userId) { 2932 if (!sUserManager.exists(userId)) return false; 2933 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2934 false /* requireFullPermission */, false /* checkShell */, "is package available"); 2935 synchronized (mPackages) { 2936 PackageParser.Package p = mPackages.get(packageName); 2937 if (p != null) { 2938 final PackageSetting ps = (PackageSetting) p.mExtras; 2939 if (ps != null) { 2940 final PackageUserState state = ps.readUserState(userId); 2941 if (state != null) { 2942 return PackageParser.isAvailable(state); 2943 } 2944 } 2945 } 2946 } 2947 return false; 2948 } 2949 2950 @Override 2951 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2952 if (!sUserManager.exists(userId)) return null; 2953 flags = updateFlagsForPackage(flags, userId, packageName); 2954 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2955 false /* requireFullPermission */, false /* checkShell */, "get package info"); 2956 // reader 2957 synchronized (mPackages) { 2958 PackageParser.Package p = mPackages.get(packageName); 2959 if (DEBUG_PACKAGE_INFO) 2960 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2961 if (p != null) { 2962 return generatePackageInfo(p, flags, userId); 2963 } 2964 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2965 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2966 } 2967 } 2968 return null; 2969 } 2970 2971 @Override 2972 public String[] currentToCanonicalPackageNames(String[] names) { 2973 String[] out = new String[names.length]; 2974 // reader 2975 synchronized (mPackages) { 2976 for (int i=names.length-1; i>=0; i--) { 2977 PackageSetting ps = mSettings.mPackages.get(names[i]); 2978 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2979 } 2980 } 2981 return out; 2982 } 2983 2984 @Override 2985 public String[] canonicalToCurrentPackageNames(String[] names) { 2986 String[] out = new String[names.length]; 2987 // reader 2988 synchronized (mPackages) { 2989 for (int i=names.length-1; i>=0; i--) { 2990 String cur = mSettings.mRenamedPackages.get(names[i]); 2991 out[i] = cur != null ? cur : names[i]; 2992 } 2993 } 2994 return out; 2995 } 2996 2997 @Override 2998 public int getPackageUid(String packageName, int flags, int userId) { 2999 if (!sUserManager.exists(userId)) return -1; 3000 flags = updateFlagsForPackage(flags, userId, packageName); 3001 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3002 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3003 3004 // reader 3005 synchronized (mPackages) { 3006 final PackageParser.Package p = mPackages.get(packageName); 3007 if (p != null && p.isMatch(flags)) { 3008 return UserHandle.getUid(userId, p.applicationInfo.uid); 3009 } 3010 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3011 final PackageSetting ps = mSettings.mPackages.get(packageName); 3012 if (ps != null && ps.isMatch(flags)) { 3013 return UserHandle.getUid(userId, ps.appId); 3014 } 3015 } 3016 } 3017 3018 return -1; 3019 } 3020 3021 @Override 3022 public int[] getPackageGids(String packageName, int flags, int userId) { 3023 if (!sUserManager.exists(userId)) return null; 3024 flags = updateFlagsForPackage(flags, userId, packageName); 3025 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3026 false /* requireFullPermission */, false /* checkShell */, 3027 "getPackageGids"); 3028 3029 // reader 3030 synchronized (mPackages) { 3031 final PackageParser.Package p = mPackages.get(packageName); 3032 if (p != null && p.isMatch(flags)) { 3033 PackageSetting ps = (PackageSetting) p.mExtras; 3034 return ps.getPermissionsState().computeGids(userId); 3035 } 3036 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3037 final PackageSetting ps = mSettings.mPackages.get(packageName); 3038 if (ps != null && ps.isMatch(flags)) { 3039 return ps.getPermissionsState().computeGids(userId); 3040 } 3041 } 3042 } 3043 3044 return null; 3045 } 3046 3047 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3048 if (bp.perm != null) { 3049 return PackageParser.generatePermissionInfo(bp.perm, flags); 3050 } 3051 PermissionInfo pi = new PermissionInfo(); 3052 pi.name = bp.name; 3053 pi.packageName = bp.sourcePackage; 3054 pi.nonLocalizedLabel = bp.name; 3055 pi.protectionLevel = bp.protectionLevel; 3056 return pi; 3057 } 3058 3059 @Override 3060 public PermissionInfo getPermissionInfo(String name, int flags) { 3061 // reader 3062 synchronized (mPackages) { 3063 final BasePermission p = mSettings.mPermissions.get(name); 3064 if (p != null) { 3065 return generatePermissionInfo(p, flags); 3066 } 3067 return null; 3068 } 3069 } 3070 3071 @Override 3072 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3073 int flags) { 3074 // reader 3075 synchronized (mPackages) { 3076 if (group != null && !mPermissionGroups.containsKey(group)) { 3077 // This is thrown as NameNotFoundException 3078 return null; 3079 } 3080 3081 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3082 for (BasePermission p : mSettings.mPermissions.values()) { 3083 if (group == null) { 3084 if (p.perm == null || p.perm.info.group == null) { 3085 out.add(generatePermissionInfo(p, flags)); 3086 } 3087 } else { 3088 if (p.perm != null && group.equals(p.perm.info.group)) { 3089 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3090 } 3091 } 3092 } 3093 return new ParceledListSlice<>(out); 3094 } 3095 } 3096 3097 @Override 3098 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3099 // reader 3100 synchronized (mPackages) { 3101 return PackageParser.generatePermissionGroupInfo( 3102 mPermissionGroups.get(name), flags); 3103 } 3104 } 3105 3106 @Override 3107 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3108 // reader 3109 synchronized (mPackages) { 3110 final int N = mPermissionGroups.size(); 3111 ArrayList<PermissionGroupInfo> out 3112 = new ArrayList<PermissionGroupInfo>(N); 3113 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3114 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3115 } 3116 return new ParceledListSlice<>(out); 3117 } 3118 } 3119 3120 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3121 int userId) { 3122 if (!sUserManager.exists(userId)) return null; 3123 PackageSetting ps = mSettings.mPackages.get(packageName); 3124 if (ps != null) { 3125 if (ps.pkg == null) { 3126 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3127 flags, userId); 3128 if (pInfo != null) { 3129 return pInfo.applicationInfo; 3130 } 3131 return null; 3132 } 3133 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3134 ps.readUserState(userId), userId); 3135 } 3136 return null; 3137 } 3138 3139 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3140 int userId) { 3141 if (!sUserManager.exists(userId)) return null; 3142 PackageSetting ps = mSettings.mPackages.get(packageName); 3143 if (ps != null) { 3144 PackageParser.Package pkg = ps.pkg; 3145 if (pkg == null) { 3146 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 3147 return null; 3148 } 3149 // Only data remains, so we aren't worried about code paths 3150 pkg = new PackageParser.Package(packageName); 3151 pkg.applicationInfo.packageName = packageName; 3152 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3153 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3154 pkg.applicationInfo.uid = ps.appId; 3155 pkg.applicationInfo.initForUser(userId); 3156 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3157 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3158 } 3159 return generatePackageInfo(pkg, flags, userId); 3160 } 3161 return null; 3162 } 3163 3164 @Override 3165 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3166 if (!sUserManager.exists(userId)) return null; 3167 flags = updateFlagsForApplication(flags, userId, packageName); 3168 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3169 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3170 // writer 3171 synchronized (mPackages) { 3172 PackageParser.Package p = mPackages.get(packageName); 3173 if (DEBUG_PACKAGE_INFO) Log.v( 3174 TAG, "getApplicationInfo " + packageName 3175 + ": " + p); 3176 if (p != null) { 3177 PackageSetting ps = mSettings.mPackages.get(packageName); 3178 if (ps == null) return null; 3179 // Note: isEnabledLP() does not apply here - always return info 3180 return PackageParser.generateApplicationInfo( 3181 p, flags, ps.readUserState(userId), userId); 3182 } 3183 if ("android".equals(packageName)||"system".equals(packageName)) { 3184 return mAndroidApplication; 3185 } 3186 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3187 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3188 } 3189 } 3190 return null; 3191 } 3192 3193 @Override 3194 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3195 final IPackageDataObserver observer) { 3196 mContext.enforceCallingOrSelfPermission( 3197 android.Manifest.permission.CLEAR_APP_CACHE, null); 3198 // Queue up an async operation since clearing cache may take a little while. 3199 mHandler.post(new Runnable() { 3200 public void run() { 3201 mHandler.removeCallbacks(this); 3202 boolean success = true; 3203 synchronized (mInstallLock) { 3204 try { 3205 mInstaller.freeCache(volumeUuid, freeStorageSize); 3206 } catch (InstallerException e) { 3207 Slog.w(TAG, "Couldn't clear application caches: " + e); 3208 success = false; 3209 } 3210 } 3211 if (observer != null) { 3212 try { 3213 observer.onRemoveCompleted(null, success); 3214 } catch (RemoteException e) { 3215 Slog.w(TAG, "RemoveException when invoking call back"); 3216 } 3217 } 3218 } 3219 }); 3220 } 3221 3222 @Override 3223 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3224 final IntentSender pi) { 3225 mContext.enforceCallingOrSelfPermission( 3226 android.Manifest.permission.CLEAR_APP_CACHE, null); 3227 // Queue up an async operation since clearing cache may take a little while. 3228 mHandler.post(new Runnable() { 3229 public void run() { 3230 mHandler.removeCallbacks(this); 3231 boolean success = true; 3232 synchronized (mInstallLock) { 3233 try { 3234 mInstaller.freeCache(volumeUuid, freeStorageSize); 3235 } catch (InstallerException e) { 3236 Slog.w(TAG, "Couldn't clear application caches: " + e); 3237 success = false; 3238 } 3239 } 3240 if(pi != null) { 3241 try { 3242 // Callback via pending intent 3243 int code = success ? 1 : 0; 3244 pi.sendIntent(null, code, null, 3245 null, null); 3246 } catch (SendIntentException e1) { 3247 Slog.i(TAG, "Failed to send pending intent"); 3248 } 3249 } 3250 } 3251 }); 3252 } 3253 3254 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3255 synchronized (mInstallLock) { 3256 try { 3257 mInstaller.freeCache(volumeUuid, freeStorageSize); 3258 } catch (InstallerException e) { 3259 throw new IOException("Failed to free enough space", e); 3260 } 3261 } 3262 } 3263 3264 /** 3265 * Return if the user key is currently unlocked. 3266 */ 3267 private boolean isUserKeyUnlocked(int userId) { 3268 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3269 final IMountService mount = IMountService.Stub 3270 .asInterface(ServiceManager.getService("mount")); 3271 if (mount == null) { 3272 Slog.w(TAG, "Early during boot, assuming locked"); 3273 return false; 3274 } 3275 final long token = Binder.clearCallingIdentity(); 3276 try { 3277 return mount.isUserKeyUnlocked(userId); 3278 } catch (RemoteException e) { 3279 throw e.rethrowAsRuntimeException(); 3280 } finally { 3281 Binder.restoreCallingIdentity(token); 3282 } 3283 } else { 3284 return true; 3285 } 3286 } 3287 3288 /** 3289 * Update given flags based on encryption status of current user. 3290 */ 3291 private int updateFlags(int flags, int userId) { 3292 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3293 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3294 // Caller expressed an explicit opinion about what encryption 3295 // aware/unaware components they want to see, so fall through and 3296 // give them what they want 3297 } else { 3298 // Caller expressed no opinion, so match based on user state 3299 if (isUserKeyUnlocked(userId)) { 3300 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3301 } else { 3302 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3303 } 3304 } 3305 return flags; 3306 } 3307 3308 /** 3309 * Update given flags when being used to request {@link PackageInfo}. 3310 */ 3311 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3312 boolean triaged = true; 3313 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3314 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3315 // Caller is asking for component details, so they'd better be 3316 // asking for specific encryption matching behavior, or be triaged 3317 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3318 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3319 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3320 triaged = false; 3321 } 3322 } 3323 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3324 | PackageManager.MATCH_SYSTEM_ONLY 3325 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3326 triaged = false; 3327 } 3328 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3329 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3330 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3331 } 3332 return updateFlags(flags, userId); 3333 } 3334 3335 /** 3336 * Update given flags when being used to request {@link ApplicationInfo}. 3337 */ 3338 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3339 return updateFlagsForPackage(flags, userId, cookie); 3340 } 3341 3342 /** 3343 * Update given flags when being used to request {@link ComponentInfo}. 3344 */ 3345 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3346 if (cookie instanceof Intent) { 3347 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3348 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3349 } 3350 } 3351 3352 boolean triaged = true; 3353 // Caller is asking for component details, so they'd better be 3354 // asking for specific encryption matching behavior, or be triaged 3355 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3356 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3357 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3358 triaged = false; 3359 } 3360 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3361 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3362 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3363 } 3364 3365 return updateFlags(flags, userId); 3366 } 3367 3368 /** 3369 * Update given flags when being used to request {@link ResolveInfo}. 3370 */ 3371 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3372 // Safe mode means we shouldn't match any third-party components 3373 if (mSafeMode) { 3374 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3375 } 3376 3377 return updateFlagsForComponent(flags, userId, cookie); 3378 } 3379 3380 @Override 3381 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3382 if (!sUserManager.exists(userId)) return null; 3383 flags = updateFlagsForComponent(flags, userId, component); 3384 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3385 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3386 synchronized (mPackages) { 3387 PackageParser.Activity a = mActivities.mActivities.get(component); 3388 3389 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3390 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3391 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3392 if (ps == null) return null; 3393 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3394 userId); 3395 } 3396 if (mResolveComponentName.equals(component)) { 3397 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3398 new PackageUserState(), userId); 3399 } 3400 } 3401 return null; 3402 } 3403 3404 @Override 3405 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3406 String resolvedType) { 3407 synchronized (mPackages) { 3408 if (component.equals(mResolveComponentName)) { 3409 // The resolver supports EVERYTHING! 3410 return true; 3411 } 3412 PackageParser.Activity a = mActivities.mActivities.get(component); 3413 if (a == null) { 3414 return false; 3415 } 3416 for (int i=0; i<a.intents.size(); i++) { 3417 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3418 intent.getData(), intent.getCategories(), TAG) >= 0) { 3419 return true; 3420 } 3421 } 3422 return false; 3423 } 3424 } 3425 3426 @Override 3427 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3428 if (!sUserManager.exists(userId)) return null; 3429 flags = updateFlagsForComponent(flags, userId, component); 3430 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3431 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3432 synchronized (mPackages) { 3433 PackageParser.Activity a = mReceivers.mActivities.get(component); 3434 if (DEBUG_PACKAGE_INFO) Log.v( 3435 TAG, "getReceiverInfo " + component + ": " + a); 3436 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3437 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3438 if (ps == null) return null; 3439 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3440 userId); 3441 } 3442 } 3443 return null; 3444 } 3445 3446 @Override 3447 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3448 if (!sUserManager.exists(userId)) return null; 3449 flags = updateFlagsForComponent(flags, userId, component); 3450 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3451 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3452 synchronized (mPackages) { 3453 PackageParser.Service s = mServices.mServices.get(component); 3454 if (DEBUG_PACKAGE_INFO) Log.v( 3455 TAG, "getServiceInfo " + component + ": " + s); 3456 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3457 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3458 if (ps == null) return null; 3459 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3460 userId); 3461 } 3462 } 3463 return null; 3464 } 3465 3466 @Override 3467 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3468 if (!sUserManager.exists(userId)) return null; 3469 flags = updateFlagsForComponent(flags, userId, component); 3470 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3471 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3472 synchronized (mPackages) { 3473 PackageParser.Provider p = mProviders.mProviders.get(component); 3474 if (DEBUG_PACKAGE_INFO) Log.v( 3475 TAG, "getProviderInfo " + component + ": " + p); 3476 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3477 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3478 if (ps == null) return null; 3479 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3480 userId); 3481 } 3482 } 3483 return null; 3484 } 3485 3486 @Override 3487 public String[] getSystemSharedLibraryNames() { 3488 Set<String> libSet; 3489 synchronized (mPackages) { 3490 libSet = mSharedLibraries.keySet(); 3491 int size = libSet.size(); 3492 if (size > 0) { 3493 String[] libs = new String[size]; 3494 libSet.toArray(libs); 3495 return libs; 3496 } 3497 } 3498 return null; 3499 } 3500 3501 @Override 3502 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3503 synchronized (mPackages) { 3504 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3505 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3506 if (libraryEntry != null) { 3507 return libraryEntry.apk; 3508 } 3509 } 3510 return null; 3511 } 3512 3513 @Override 3514 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3515 synchronized (mPackages) { 3516 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3517 3518 final FeatureInfo fi = new FeatureInfo(); 3519 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3520 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3521 res.add(fi); 3522 3523 return new ParceledListSlice<>(res); 3524 } 3525 } 3526 3527 @Override 3528 public boolean hasSystemFeature(String name, int version) { 3529 synchronized (mPackages) { 3530 final FeatureInfo feat = mAvailableFeatures.get(name); 3531 if (feat == null) { 3532 return false; 3533 } else { 3534 return feat.version >= version; 3535 } 3536 } 3537 } 3538 3539 @Override 3540 public int checkPermission(String permName, String pkgName, int userId) { 3541 if (!sUserManager.exists(userId)) { 3542 return PackageManager.PERMISSION_DENIED; 3543 } 3544 3545 synchronized (mPackages) { 3546 final PackageParser.Package p = mPackages.get(pkgName); 3547 if (p != null && p.mExtras != null) { 3548 final PackageSetting ps = (PackageSetting) p.mExtras; 3549 final PermissionsState permissionsState = ps.getPermissionsState(); 3550 if (permissionsState.hasPermission(permName, userId)) { 3551 return PackageManager.PERMISSION_GRANTED; 3552 } 3553 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3554 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3555 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3556 return PackageManager.PERMISSION_GRANTED; 3557 } 3558 } 3559 } 3560 3561 return PackageManager.PERMISSION_DENIED; 3562 } 3563 3564 @Override 3565 public int checkUidPermission(String permName, int uid) { 3566 final int userId = UserHandle.getUserId(uid); 3567 3568 if (!sUserManager.exists(userId)) { 3569 return PackageManager.PERMISSION_DENIED; 3570 } 3571 3572 synchronized (mPackages) { 3573 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3574 if (obj != null) { 3575 final SettingBase ps = (SettingBase) obj; 3576 final PermissionsState permissionsState = ps.getPermissionsState(); 3577 if (permissionsState.hasPermission(permName, userId)) { 3578 return PackageManager.PERMISSION_GRANTED; 3579 } 3580 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3581 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3582 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3583 return PackageManager.PERMISSION_GRANTED; 3584 } 3585 } else { 3586 ArraySet<String> perms = mSystemPermissions.get(uid); 3587 if (perms != null) { 3588 if (perms.contains(permName)) { 3589 return PackageManager.PERMISSION_GRANTED; 3590 } 3591 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3592 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3593 return PackageManager.PERMISSION_GRANTED; 3594 } 3595 } 3596 } 3597 } 3598 3599 return PackageManager.PERMISSION_DENIED; 3600 } 3601 3602 @Override 3603 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3604 if (UserHandle.getCallingUserId() != userId) { 3605 mContext.enforceCallingPermission( 3606 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3607 "isPermissionRevokedByPolicy for user " + userId); 3608 } 3609 3610 if (checkPermission(permission, packageName, userId) 3611 == PackageManager.PERMISSION_GRANTED) { 3612 return false; 3613 } 3614 3615 final long identity = Binder.clearCallingIdentity(); 3616 try { 3617 final int flags = getPermissionFlags(permission, packageName, userId); 3618 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3619 } finally { 3620 Binder.restoreCallingIdentity(identity); 3621 } 3622 } 3623 3624 @Override 3625 public String getPermissionControllerPackageName() { 3626 synchronized (mPackages) { 3627 return mRequiredInstallerPackage; 3628 } 3629 } 3630 3631 /** 3632 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3633 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3634 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3635 * @param message the message to log on security exception 3636 */ 3637 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3638 boolean checkShell, String message) { 3639 if (userId < 0) { 3640 throw new IllegalArgumentException("Invalid userId " + userId); 3641 } 3642 if (checkShell) { 3643 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3644 } 3645 if (userId == UserHandle.getUserId(callingUid)) return; 3646 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3647 if (requireFullPermission) { 3648 mContext.enforceCallingOrSelfPermission( 3649 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3650 } else { 3651 try { 3652 mContext.enforceCallingOrSelfPermission( 3653 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3654 } catch (SecurityException se) { 3655 mContext.enforceCallingOrSelfPermission( 3656 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3657 } 3658 } 3659 } 3660 } 3661 3662 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3663 if (callingUid == Process.SHELL_UID) { 3664 if (userHandle >= 0 3665 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3666 throw new SecurityException("Shell does not have permission to access user " 3667 + userHandle); 3668 } else if (userHandle < 0) { 3669 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3670 + Debug.getCallers(3)); 3671 } 3672 } 3673 } 3674 3675 private BasePermission findPermissionTreeLP(String permName) { 3676 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3677 if (permName.startsWith(bp.name) && 3678 permName.length() > bp.name.length() && 3679 permName.charAt(bp.name.length()) == '.') { 3680 return bp; 3681 } 3682 } 3683 return null; 3684 } 3685 3686 private BasePermission checkPermissionTreeLP(String permName) { 3687 if (permName != null) { 3688 BasePermission bp = findPermissionTreeLP(permName); 3689 if (bp != null) { 3690 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3691 return bp; 3692 } 3693 throw new SecurityException("Calling uid " 3694 + Binder.getCallingUid() 3695 + " is not allowed to add to permission tree " 3696 + bp.name + " owned by uid " + bp.uid); 3697 } 3698 } 3699 throw new SecurityException("No permission tree found for " + permName); 3700 } 3701 3702 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3703 if (s1 == null) { 3704 return s2 == null; 3705 } 3706 if (s2 == null) { 3707 return false; 3708 } 3709 if (s1.getClass() != s2.getClass()) { 3710 return false; 3711 } 3712 return s1.equals(s2); 3713 } 3714 3715 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3716 if (pi1.icon != pi2.icon) return false; 3717 if (pi1.logo != pi2.logo) return false; 3718 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3719 if (!compareStrings(pi1.name, pi2.name)) return false; 3720 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3721 // We'll take care of setting this one. 3722 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3723 // These are not currently stored in settings. 3724 //if (!compareStrings(pi1.group, pi2.group)) return false; 3725 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3726 //if (pi1.labelRes != pi2.labelRes) return false; 3727 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3728 return true; 3729 } 3730 3731 int permissionInfoFootprint(PermissionInfo info) { 3732 int size = info.name.length(); 3733 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3734 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3735 return size; 3736 } 3737 3738 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3739 int size = 0; 3740 for (BasePermission perm : mSettings.mPermissions.values()) { 3741 if (perm.uid == tree.uid) { 3742 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3743 } 3744 } 3745 return size; 3746 } 3747 3748 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3749 // We calculate the max size of permissions defined by this uid and throw 3750 // if that plus the size of 'info' would exceed our stated maximum. 3751 if (tree.uid != Process.SYSTEM_UID) { 3752 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3753 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3754 throw new SecurityException("Permission tree size cap exceeded"); 3755 } 3756 } 3757 } 3758 3759 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3760 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3761 throw new SecurityException("Label must be specified in permission"); 3762 } 3763 BasePermission tree = checkPermissionTreeLP(info.name); 3764 BasePermission bp = mSettings.mPermissions.get(info.name); 3765 boolean added = bp == null; 3766 boolean changed = true; 3767 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3768 if (added) { 3769 enforcePermissionCapLocked(info, tree); 3770 bp = new BasePermission(info.name, tree.sourcePackage, 3771 BasePermission.TYPE_DYNAMIC); 3772 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3773 throw new SecurityException( 3774 "Not allowed to modify non-dynamic permission " 3775 + info.name); 3776 } else { 3777 if (bp.protectionLevel == fixedLevel 3778 && bp.perm.owner.equals(tree.perm.owner) 3779 && bp.uid == tree.uid 3780 && comparePermissionInfos(bp.perm.info, info)) { 3781 changed = false; 3782 } 3783 } 3784 bp.protectionLevel = fixedLevel; 3785 info = new PermissionInfo(info); 3786 info.protectionLevel = fixedLevel; 3787 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3788 bp.perm.info.packageName = tree.perm.info.packageName; 3789 bp.uid = tree.uid; 3790 if (added) { 3791 mSettings.mPermissions.put(info.name, bp); 3792 } 3793 if (changed) { 3794 if (!async) { 3795 mSettings.writeLPr(); 3796 } else { 3797 scheduleWriteSettingsLocked(); 3798 } 3799 } 3800 return added; 3801 } 3802 3803 @Override 3804 public boolean addPermission(PermissionInfo info) { 3805 synchronized (mPackages) { 3806 return addPermissionLocked(info, false); 3807 } 3808 } 3809 3810 @Override 3811 public boolean addPermissionAsync(PermissionInfo info) { 3812 synchronized (mPackages) { 3813 return addPermissionLocked(info, true); 3814 } 3815 } 3816 3817 @Override 3818 public void removePermission(String name) { 3819 synchronized (mPackages) { 3820 checkPermissionTreeLP(name); 3821 BasePermission bp = mSettings.mPermissions.get(name); 3822 if (bp != null) { 3823 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3824 throw new SecurityException( 3825 "Not allowed to modify non-dynamic permission " 3826 + name); 3827 } 3828 mSettings.mPermissions.remove(name); 3829 mSettings.writeLPr(); 3830 } 3831 } 3832 } 3833 3834 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3835 BasePermission bp) { 3836 int index = pkg.requestedPermissions.indexOf(bp.name); 3837 if (index == -1) { 3838 throw new SecurityException("Package " + pkg.packageName 3839 + " has not requested permission " + bp.name); 3840 } 3841 if (!bp.isRuntime() && !bp.isDevelopment()) { 3842 throw new SecurityException("Permission " + bp.name 3843 + " is not a changeable permission type"); 3844 } 3845 } 3846 3847 @Override 3848 public void grantRuntimePermission(String packageName, String name, final int userId) { 3849 if (!sUserManager.exists(userId)) { 3850 Log.e(TAG, "No such user:" + userId); 3851 return; 3852 } 3853 3854 mContext.enforceCallingOrSelfPermission( 3855 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3856 "grantRuntimePermission"); 3857 3858 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3859 true /* requireFullPermission */, true /* checkShell */, 3860 "grantRuntimePermission"); 3861 3862 final int uid; 3863 final SettingBase sb; 3864 3865 synchronized (mPackages) { 3866 final PackageParser.Package pkg = mPackages.get(packageName); 3867 if (pkg == null) { 3868 throw new IllegalArgumentException("Unknown package: " + packageName); 3869 } 3870 3871 final BasePermission bp = mSettings.mPermissions.get(name); 3872 if (bp == null) { 3873 throw new IllegalArgumentException("Unknown permission: " + name); 3874 } 3875 3876 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3877 3878 // If a permission review is required for legacy apps we represent 3879 // their permissions as always granted runtime ones since we need 3880 // to keep the review required permission flag per user while an 3881 // install permission's state is shared across all users. 3882 if (Build.PERMISSIONS_REVIEW_REQUIRED 3883 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3884 && bp.isRuntime()) { 3885 return; 3886 } 3887 3888 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3889 sb = (SettingBase) pkg.mExtras; 3890 if (sb == null) { 3891 throw new IllegalArgumentException("Unknown package: " + packageName); 3892 } 3893 3894 final PermissionsState permissionsState = sb.getPermissionsState(); 3895 3896 final int flags = permissionsState.getPermissionFlags(name, userId); 3897 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3898 throw new SecurityException("Cannot grant system fixed permission " 3899 + name + " for package " + packageName); 3900 } 3901 3902 if (bp.isDevelopment()) { 3903 // Development permissions must be handled specially, since they are not 3904 // normal runtime permissions. For now they apply to all users. 3905 if (permissionsState.grantInstallPermission(bp) != 3906 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3907 scheduleWriteSettingsLocked(); 3908 } 3909 return; 3910 } 3911 3912 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3913 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3914 return; 3915 } 3916 3917 final int result = permissionsState.grantRuntimePermission(bp, userId); 3918 switch (result) { 3919 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3920 return; 3921 } 3922 3923 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3924 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3925 mHandler.post(new Runnable() { 3926 @Override 3927 public void run() { 3928 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3929 } 3930 }); 3931 } 3932 break; 3933 } 3934 3935 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3936 3937 // Not critical if that is lost - app has to request again. 3938 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3939 } 3940 3941 // Only need to do this if user is initialized. Otherwise it's a new user 3942 // and there are no processes running as the user yet and there's no need 3943 // to make an expensive call to remount processes for the changed permissions. 3944 if (READ_EXTERNAL_STORAGE.equals(name) 3945 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3946 final long token = Binder.clearCallingIdentity(); 3947 try { 3948 if (sUserManager.isInitialized(userId)) { 3949 MountServiceInternal mountServiceInternal = LocalServices.getService( 3950 MountServiceInternal.class); 3951 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3952 } 3953 } finally { 3954 Binder.restoreCallingIdentity(token); 3955 } 3956 } 3957 } 3958 3959 @Override 3960 public void revokeRuntimePermission(String packageName, String name, int userId) { 3961 if (!sUserManager.exists(userId)) { 3962 Log.e(TAG, "No such user:" + userId); 3963 return; 3964 } 3965 3966 mContext.enforceCallingOrSelfPermission( 3967 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3968 "revokeRuntimePermission"); 3969 3970 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3971 true /* requireFullPermission */, true /* checkShell */, 3972 "revokeRuntimePermission"); 3973 3974 final int appId; 3975 3976 synchronized (mPackages) { 3977 final PackageParser.Package pkg = mPackages.get(packageName); 3978 if (pkg == null) { 3979 throw new IllegalArgumentException("Unknown package: " + packageName); 3980 } 3981 3982 final BasePermission bp = mSettings.mPermissions.get(name); 3983 if (bp == null) { 3984 throw new IllegalArgumentException("Unknown permission: " + name); 3985 } 3986 3987 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3988 3989 // If a permission review is required for legacy apps we represent 3990 // their permissions as always granted runtime ones since we need 3991 // to keep the review required permission flag per user while an 3992 // install permission's state is shared across all users. 3993 if (Build.PERMISSIONS_REVIEW_REQUIRED 3994 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3995 && bp.isRuntime()) { 3996 return; 3997 } 3998 3999 SettingBase sb = (SettingBase) pkg.mExtras; 4000 if (sb == null) { 4001 throw new IllegalArgumentException("Unknown package: " + packageName); 4002 } 4003 4004 final PermissionsState permissionsState = sb.getPermissionsState(); 4005 4006 final int flags = permissionsState.getPermissionFlags(name, userId); 4007 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4008 throw new SecurityException("Cannot revoke system fixed permission " 4009 + name + " for package " + packageName); 4010 } 4011 4012 if (bp.isDevelopment()) { 4013 // Development permissions must be handled specially, since they are not 4014 // normal runtime permissions. For now they apply to all users. 4015 if (permissionsState.revokeInstallPermission(bp) != 4016 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4017 scheduleWriteSettingsLocked(); 4018 } 4019 return; 4020 } 4021 4022 if (permissionsState.revokeRuntimePermission(bp, userId) == 4023 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4024 return; 4025 } 4026 4027 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4028 4029 // Critical, after this call app should never have the permission. 4030 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4031 4032 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4033 } 4034 4035 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4036 } 4037 4038 @Override 4039 public void resetRuntimePermissions() { 4040 mContext.enforceCallingOrSelfPermission( 4041 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4042 "revokeRuntimePermission"); 4043 4044 int callingUid = Binder.getCallingUid(); 4045 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4046 mContext.enforceCallingOrSelfPermission( 4047 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4048 "resetRuntimePermissions"); 4049 } 4050 4051 synchronized (mPackages) { 4052 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4053 for (int userId : UserManagerService.getInstance().getUserIds()) { 4054 final int packageCount = mPackages.size(); 4055 for (int i = 0; i < packageCount; i++) { 4056 PackageParser.Package pkg = mPackages.valueAt(i); 4057 if (!(pkg.mExtras instanceof PackageSetting)) { 4058 continue; 4059 } 4060 PackageSetting ps = (PackageSetting) pkg.mExtras; 4061 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4062 } 4063 } 4064 } 4065 } 4066 4067 @Override 4068 public int getPermissionFlags(String name, String packageName, int userId) { 4069 if (!sUserManager.exists(userId)) { 4070 return 0; 4071 } 4072 4073 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4074 4075 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4076 true /* requireFullPermission */, false /* checkShell */, 4077 "getPermissionFlags"); 4078 4079 synchronized (mPackages) { 4080 final PackageParser.Package pkg = mPackages.get(packageName); 4081 if (pkg == null) { 4082 throw new IllegalArgumentException("Unknown package: " + packageName); 4083 } 4084 4085 final BasePermission bp = mSettings.mPermissions.get(name); 4086 if (bp == null) { 4087 throw new IllegalArgumentException("Unknown permission: " + name); 4088 } 4089 4090 SettingBase sb = (SettingBase) pkg.mExtras; 4091 if (sb == null) { 4092 throw new IllegalArgumentException("Unknown package: " + packageName); 4093 } 4094 4095 PermissionsState permissionsState = sb.getPermissionsState(); 4096 return permissionsState.getPermissionFlags(name, userId); 4097 } 4098 } 4099 4100 @Override 4101 public void updatePermissionFlags(String name, String packageName, int flagMask, 4102 int flagValues, int userId) { 4103 if (!sUserManager.exists(userId)) { 4104 return; 4105 } 4106 4107 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4108 4109 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4110 true /* requireFullPermission */, true /* checkShell */, 4111 "updatePermissionFlags"); 4112 4113 // Only the system can change these flags and nothing else. 4114 if (getCallingUid() != Process.SYSTEM_UID) { 4115 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4116 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4117 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4118 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4119 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4120 } 4121 4122 synchronized (mPackages) { 4123 final PackageParser.Package pkg = mPackages.get(packageName); 4124 if (pkg == null) { 4125 throw new IllegalArgumentException("Unknown package: " + packageName); 4126 } 4127 4128 final BasePermission bp = mSettings.mPermissions.get(name); 4129 if (bp == null) { 4130 throw new IllegalArgumentException("Unknown permission: " + name); 4131 } 4132 4133 SettingBase sb = (SettingBase) pkg.mExtras; 4134 if (sb == null) { 4135 throw new IllegalArgumentException("Unknown package: " + packageName); 4136 } 4137 4138 PermissionsState permissionsState = sb.getPermissionsState(); 4139 4140 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4141 4142 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4143 // Install and runtime permissions are stored in different places, 4144 // so figure out what permission changed and persist the change. 4145 if (permissionsState.getInstallPermissionState(name) != null) { 4146 scheduleWriteSettingsLocked(); 4147 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4148 || hadState) { 4149 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4150 } 4151 } 4152 } 4153 } 4154 4155 /** 4156 * Update the permission flags for all packages and runtime permissions of a user in order 4157 * to allow device or profile owner to remove POLICY_FIXED. 4158 */ 4159 @Override 4160 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4161 if (!sUserManager.exists(userId)) { 4162 return; 4163 } 4164 4165 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4166 4167 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4168 true /* requireFullPermission */, true /* checkShell */, 4169 "updatePermissionFlagsForAllApps"); 4170 4171 // Only the system can change system fixed flags. 4172 if (getCallingUid() != Process.SYSTEM_UID) { 4173 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4174 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4175 } 4176 4177 synchronized (mPackages) { 4178 boolean changed = false; 4179 final int packageCount = mPackages.size(); 4180 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4181 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4182 SettingBase sb = (SettingBase) pkg.mExtras; 4183 if (sb == null) { 4184 continue; 4185 } 4186 PermissionsState permissionsState = sb.getPermissionsState(); 4187 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4188 userId, flagMask, flagValues); 4189 } 4190 if (changed) { 4191 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4192 } 4193 } 4194 } 4195 4196 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4197 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4198 != PackageManager.PERMISSION_GRANTED 4199 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4200 != PackageManager.PERMISSION_GRANTED) { 4201 throw new SecurityException(message + " requires " 4202 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4203 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4204 } 4205 } 4206 4207 @Override 4208 public boolean shouldShowRequestPermissionRationale(String permissionName, 4209 String packageName, int userId) { 4210 if (UserHandle.getCallingUserId() != userId) { 4211 mContext.enforceCallingPermission( 4212 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4213 "canShowRequestPermissionRationale for user " + userId); 4214 } 4215 4216 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4217 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4218 return false; 4219 } 4220 4221 if (checkPermission(permissionName, packageName, userId) 4222 == PackageManager.PERMISSION_GRANTED) { 4223 return false; 4224 } 4225 4226 final int flags; 4227 4228 final long identity = Binder.clearCallingIdentity(); 4229 try { 4230 flags = getPermissionFlags(permissionName, 4231 packageName, userId); 4232 } finally { 4233 Binder.restoreCallingIdentity(identity); 4234 } 4235 4236 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4237 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4238 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4239 4240 if ((flags & fixedFlags) != 0) { 4241 return false; 4242 } 4243 4244 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4245 } 4246 4247 @Override 4248 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4249 mContext.enforceCallingOrSelfPermission( 4250 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4251 "addOnPermissionsChangeListener"); 4252 4253 synchronized (mPackages) { 4254 mOnPermissionChangeListeners.addListenerLocked(listener); 4255 } 4256 } 4257 4258 @Override 4259 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4260 synchronized (mPackages) { 4261 mOnPermissionChangeListeners.removeListenerLocked(listener); 4262 } 4263 } 4264 4265 @Override 4266 public boolean isProtectedBroadcast(String actionName) { 4267 synchronized (mPackages) { 4268 if (mProtectedBroadcasts.contains(actionName)) { 4269 return true; 4270 } else if (actionName != null) { 4271 // TODO: remove these terrible hacks 4272 if (actionName.startsWith("android.net.netmon.lingerExpired") 4273 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4274 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4275 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4276 return true; 4277 } 4278 } 4279 } 4280 return false; 4281 } 4282 4283 @Override 4284 public int checkSignatures(String pkg1, String pkg2) { 4285 synchronized (mPackages) { 4286 final PackageParser.Package p1 = mPackages.get(pkg1); 4287 final PackageParser.Package p2 = mPackages.get(pkg2); 4288 if (p1 == null || p1.mExtras == null 4289 || p2 == null || p2.mExtras == null) { 4290 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4291 } 4292 return compareSignatures(p1.mSignatures, p2.mSignatures); 4293 } 4294 } 4295 4296 @Override 4297 public int checkUidSignatures(int uid1, int uid2) { 4298 // Map to base uids. 4299 uid1 = UserHandle.getAppId(uid1); 4300 uid2 = UserHandle.getAppId(uid2); 4301 // reader 4302 synchronized (mPackages) { 4303 Signature[] s1; 4304 Signature[] s2; 4305 Object obj = mSettings.getUserIdLPr(uid1); 4306 if (obj != null) { 4307 if (obj instanceof SharedUserSetting) { 4308 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4309 } else if (obj instanceof PackageSetting) { 4310 s1 = ((PackageSetting)obj).signatures.mSignatures; 4311 } else { 4312 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4313 } 4314 } else { 4315 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4316 } 4317 obj = mSettings.getUserIdLPr(uid2); 4318 if (obj != null) { 4319 if (obj instanceof SharedUserSetting) { 4320 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4321 } else if (obj instanceof PackageSetting) { 4322 s2 = ((PackageSetting)obj).signatures.mSignatures; 4323 } else { 4324 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4325 } 4326 } else { 4327 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4328 } 4329 return compareSignatures(s1, s2); 4330 } 4331 } 4332 4333 private void killUid(int appId, int userId, String reason) { 4334 final long identity = Binder.clearCallingIdentity(); 4335 try { 4336 IActivityManager am = ActivityManagerNative.getDefault(); 4337 if (am != null) { 4338 try { 4339 am.killUid(appId, userId, reason); 4340 } catch (RemoteException e) { 4341 /* ignore - same process */ 4342 } 4343 } 4344 } finally { 4345 Binder.restoreCallingIdentity(identity); 4346 } 4347 } 4348 4349 /** 4350 * Compares two sets of signatures. Returns: 4351 * <br /> 4352 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4353 * <br /> 4354 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4355 * <br /> 4356 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4357 * <br /> 4358 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4359 * <br /> 4360 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4361 */ 4362 static int compareSignatures(Signature[] s1, Signature[] s2) { 4363 if (s1 == null) { 4364 return s2 == null 4365 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4366 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4367 } 4368 4369 if (s2 == null) { 4370 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4371 } 4372 4373 if (s1.length != s2.length) { 4374 return PackageManager.SIGNATURE_NO_MATCH; 4375 } 4376 4377 // Since both signature sets are of size 1, we can compare without HashSets. 4378 if (s1.length == 1) { 4379 return s1[0].equals(s2[0]) ? 4380 PackageManager.SIGNATURE_MATCH : 4381 PackageManager.SIGNATURE_NO_MATCH; 4382 } 4383 4384 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4385 for (Signature sig : s1) { 4386 set1.add(sig); 4387 } 4388 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4389 for (Signature sig : s2) { 4390 set2.add(sig); 4391 } 4392 // Make sure s2 contains all signatures in s1. 4393 if (set1.equals(set2)) { 4394 return PackageManager.SIGNATURE_MATCH; 4395 } 4396 return PackageManager.SIGNATURE_NO_MATCH; 4397 } 4398 4399 /** 4400 * If the database version for this type of package (internal storage or 4401 * external storage) is less than the version where package signatures 4402 * were updated, return true. 4403 */ 4404 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4405 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4406 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4407 } 4408 4409 /** 4410 * Used for backward compatibility to make sure any packages with 4411 * certificate chains get upgraded to the new style. {@code existingSigs} 4412 * will be in the old format (since they were stored on disk from before the 4413 * system upgrade) and {@code scannedSigs} will be in the newer format. 4414 */ 4415 private int compareSignaturesCompat(PackageSignatures existingSigs, 4416 PackageParser.Package scannedPkg) { 4417 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4418 return PackageManager.SIGNATURE_NO_MATCH; 4419 } 4420 4421 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4422 for (Signature sig : existingSigs.mSignatures) { 4423 existingSet.add(sig); 4424 } 4425 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4426 for (Signature sig : scannedPkg.mSignatures) { 4427 try { 4428 Signature[] chainSignatures = sig.getChainSignatures(); 4429 for (Signature chainSig : chainSignatures) { 4430 scannedCompatSet.add(chainSig); 4431 } 4432 } catch (CertificateEncodingException e) { 4433 scannedCompatSet.add(sig); 4434 } 4435 } 4436 /* 4437 * Make sure the expanded scanned set contains all signatures in the 4438 * existing one. 4439 */ 4440 if (scannedCompatSet.equals(existingSet)) { 4441 // Migrate the old signatures to the new scheme. 4442 existingSigs.assignSignatures(scannedPkg.mSignatures); 4443 // The new KeySets will be re-added later in the scanning process. 4444 synchronized (mPackages) { 4445 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4446 } 4447 return PackageManager.SIGNATURE_MATCH; 4448 } 4449 return PackageManager.SIGNATURE_NO_MATCH; 4450 } 4451 4452 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4453 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4454 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4455 } 4456 4457 private int compareSignaturesRecover(PackageSignatures existingSigs, 4458 PackageParser.Package scannedPkg) { 4459 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4460 return PackageManager.SIGNATURE_NO_MATCH; 4461 } 4462 4463 String msg = null; 4464 try { 4465 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4466 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4467 + scannedPkg.packageName); 4468 return PackageManager.SIGNATURE_MATCH; 4469 } 4470 } catch (CertificateException e) { 4471 msg = e.getMessage(); 4472 } 4473 4474 logCriticalInfo(Log.INFO, 4475 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4476 return PackageManager.SIGNATURE_NO_MATCH; 4477 } 4478 4479 @Override 4480 public List<String> getAllPackages() { 4481 synchronized (mPackages) { 4482 return new ArrayList<String>(mPackages.keySet()); 4483 } 4484 } 4485 4486 @Override 4487 public String[] getPackagesForUid(int uid) { 4488 uid = UserHandle.getAppId(uid); 4489 // reader 4490 synchronized (mPackages) { 4491 Object obj = mSettings.getUserIdLPr(uid); 4492 if (obj instanceof SharedUserSetting) { 4493 final SharedUserSetting sus = (SharedUserSetting) obj; 4494 final int N = sus.packages.size(); 4495 final String[] res = new String[N]; 4496 final Iterator<PackageSetting> it = sus.packages.iterator(); 4497 int i = 0; 4498 while (it.hasNext()) { 4499 res[i++] = it.next().name; 4500 } 4501 return res; 4502 } else if (obj instanceof PackageSetting) { 4503 final PackageSetting ps = (PackageSetting) obj; 4504 return new String[] { ps.name }; 4505 } 4506 } 4507 return null; 4508 } 4509 4510 @Override 4511 public String getNameForUid(int uid) { 4512 // reader 4513 synchronized (mPackages) { 4514 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4515 if (obj instanceof SharedUserSetting) { 4516 final SharedUserSetting sus = (SharedUserSetting) obj; 4517 return sus.name + ":" + sus.userId; 4518 } else if (obj instanceof PackageSetting) { 4519 final PackageSetting ps = (PackageSetting) obj; 4520 return ps.name; 4521 } 4522 } 4523 return null; 4524 } 4525 4526 @Override 4527 public int getUidForSharedUser(String sharedUserName) { 4528 if(sharedUserName == null) { 4529 return -1; 4530 } 4531 // reader 4532 synchronized (mPackages) { 4533 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4534 if (suid == null) { 4535 return -1; 4536 } 4537 return suid.userId; 4538 } 4539 } 4540 4541 @Override 4542 public int getFlagsForUid(int uid) { 4543 synchronized (mPackages) { 4544 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4545 if (obj instanceof SharedUserSetting) { 4546 final SharedUserSetting sus = (SharedUserSetting) obj; 4547 return sus.pkgFlags; 4548 } else if (obj instanceof PackageSetting) { 4549 final PackageSetting ps = (PackageSetting) obj; 4550 return ps.pkgFlags; 4551 } 4552 } 4553 return 0; 4554 } 4555 4556 @Override 4557 public int getPrivateFlagsForUid(int uid) { 4558 synchronized (mPackages) { 4559 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4560 if (obj instanceof SharedUserSetting) { 4561 final SharedUserSetting sus = (SharedUserSetting) obj; 4562 return sus.pkgPrivateFlags; 4563 } else if (obj instanceof PackageSetting) { 4564 final PackageSetting ps = (PackageSetting) obj; 4565 return ps.pkgPrivateFlags; 4566 } 4567 } 4568 return 0; 4569 } 4570 4571 @Override 4572 public boolean isUidPrivileged(int uid) { 4573 uid = UserHandle.getAppId(uid); 4574 // reader 4575 synchronized (mPackages) { 4576 Object obj = mSettings.getUserIdLPr(uid); 4577 if (obj instanceof SharedUserSetting) { 4578 final SharedUserSetting sus = (SharedUserSetting) obj; 4579 final Iterator<PackageSetting> it = sus.packages.iterator(); 4580 while (it.hasNext()) { 4581 if (it.next().isPrivileged()) { 4582 return true; 4583 } 4584 } 4585 } else if (obj instanceof PackageSetting) { 4586 final PackageSetting ps = (PackageSetting) obj; 4587 return ps.isPrivileged(); 4588 } 4589 } 4590 return false; 4591 } 4592 4593 @Override 4594 public String[] getAppOpPermissionPackages(String permissionName) { 4595 synchronized (mPackages) { 4596 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4597 if (pkgs == null) { 4598 return null; 4599 } 4600 return pkgs.toArray(new String[pkgs.size()]); 4601 } 4602 } 4603 4604 @Override 4605 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4606 int flags, int userId) { 4607 if (!sUserManager.exists(userId)) return null; 4608 flags = updateFlagsForResolve(flags, userId, intent); 4609 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4610 false /* requireFullPermission */, false /* checkShell */, "resolve intent"); 4611 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4612 userId); 4613 final ResolveInfo bestChoice = 4614 chooseBestActivity(intent, resolvedType, flags, query, userId); 4615 4616 if (isEphemeralAllowed(intent, query, userId)) { 4617 final EphemeralResolveInfo ai = 4618 getEphemeralResolveInfo(intent, resolvedType, userId); 4619 if (ai != null) { 4620 if (DEBUG_EPHEMERAL) { 4621 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4622 } 4623 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4624 bestChoice.ephemeralResolveInfo = ai; 4625 } 4626 } 4627 return bestChoice; 4628 } 4629 4630 @Override 4631 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4632 IntentFilter filter, int match, ComponentName activity) { 4633 final int userId = UserHandle.getCallingUserId(); 4634 if (DEBUG_PREFERRED) { 4635 Log.v(TAG, "setLastChosenActivity intent=" + intent 4636 + " resolvedType=" + resolvedType 4637 + " flags=" + flags 4638 + " filter=" + filter 4639 + " match=" + match 4640 + " activity=" + activity); 4641 filter.dump(new PrintStreamPrinter(System.out), " "); 4642 } 4643 intent.setComponent(null); 4644 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4645 userId); 4646 // Find any earlier preferred or last chosen entries and nuke them 4647 findPreferredActivity(intent, resolvedType, 4648 flags, query, 0, false, true, false, userId); 4649 // Add the new activity as the last chosen for this filter 4650 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4651 "Setting last chosen"); 4652 } 4653 4654 @Override 4655 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4656 final int userId = UserHandle.getCallingUserId(); 4657 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4658 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4659 userId); 4660 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4661 false, false, false, userId); 4662 } 4663 4664 4665 private boolean isEphemeralAllowed( 4666 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4667 // Short circuit and return early if possible. 4668 if (DISABLE_EPHEMERAL_APPS) { 4669 return false; 4670 } 4671 final int callingUser = UserHandle.getCallingUserId(); 4672 if (callingUser != UserHandle.USER_SYSTEM) { 4673 return false; 4674 } 4675 if (mEphemeralResolverConnection == null) { 4676 return false; 4677 } 4678 if (intent.getComponent() != null) { 4679 return false; 4680 } 4681 if (intent.getPackage() != null) { 4682 return false; 4683 } 4684 final boolean isWebUri = hasWebURI(intent); 4685 if (!isWebUri) { 4686 return false; 4687 } 4688 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4689 synchronized (mPackages) { 4690 final int count = resolvedActivites.size(); 4691 for (int n = 0; n < count; n++) { 4692 ResolveInfo info = resolvedActivites.get(n); 4693 String packageName = info.activityInfo.packageName; 4694 PackageSetting ps = mSettings.mPackages.get(packageName); 4695 if (ps != null) { 4696 // Try to get the status from User settings first 4697 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4698 int status = (int) (packedStatus >> 32); 4699 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4700 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4701 if (DEBUG_EPHEMERAL) { 4702 Slog.v(TAG, "DENY ephemeral apps;" 4703 + " pkg: " + packageName + ", status: " + status); 4704 } 4705 return false; 4706 } 4707 } 4708 } 4709 } 4710 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4711 return true; 4712 } 4713 4714 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4715 int userId) { 4716 MessageDigest digest = null; 4717 try { 4718 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4719 } catch (NoSuchAlgorithmException e) { 4720 // If we can't create a digest, ignore ephemeral apps. 4721 return null; 4722 } 4723 4724 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4725 final byte[] digestBytes = digest.digest(hostBytes); 4726 int shaPrefix = 4727 digestBytes[0] << 24 4728 | digestBytes[1] << 16 4729 | digestBytes[2] << 8 4730 | digestBytes[3] << 0; 4731 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4732 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4733 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4734 // No hash prefix match; there are no ephemeral apps for this domain. 4735 return null; 4736 } 4737 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4738 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4739 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4740 continue; 4741 } 4742 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4743 // No filters; this should never happen. 4744 if (filters.isEmpty()) { 4745 continue; 4746 } 4747 // We have a domain match; resolve the filters to see if anything matches. 4748 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4749 for (int j = filters.size() - 1; j >= 0; --j) { 4750 final EphemeralResolveIntentInfo intentInfo = 4751 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4752 ephemeralResolver.addFilter(intentInfo); 4753 } 4754 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4755 intent, resolvedType, false /*defaultOnly*/, userId); 4756 if (!matchedResolveInfoList.isEmpty()) { 4757 return matchedResolveInfoList.get(0); 4758 } 4759 } 4760 // Hash or filter mis-match; no ephemeral apps for this domain. 4761 return null; 4762 } 4763 4764 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4765 int flags, List<ResolveInfo> query, int userId) { 4766 if (query != null) { 4767 final int N = query.size(); 4768 if (N == 1) { 4769 return query.get(0); 4770 } else if (N > 1) { 4771 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4772 // If there is more than one activity with the same priority, 4773 // then let the user decide between them. 4774 ResolveInfo r0 = query.get(0); 4775 ResolveInfo r1 = query.get(1); 4776 if (DEBUG_INTENT_MATCHING || debug) { 4777 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4778 + r1.activityInfo.name + "=" + r1.priority); 4779 } 4780 // If the first activity has a higher priority, or a different 4781 // default, then it is always desirable to pick it. 4782 if (r0.priority != r1.priority 4783 || r0.preferredOrder != r1.preferredOrder 4784 || r0.isDefault != r1.isDefault) { 4785 return query.get(0); 4786 } 4787 // If we have saved a preference for a preferred activity for 4788 // this Intent, use that. 4789 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4790 flags, query, r0.priority, true, false, debug, userId); 4791 if (ri != null) { 4792 return ri; 4793 } 4794 ri = new ResolveInfo(mResolveInfo); 4795 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4796 ri.activityInfo.applicationInfo = new ApplicationInfo( 4797 ri.activityInfo.applicationInfo); 4798 if (userId != 0) { 4799 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4800 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4801 } 4802 // Make sure that the resolver is displayable in car mode 4803 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4804 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4805 return ri; 4806 } 4807 } 4808 return null; 4809 } 4810 4811 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4812 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4813 final int N = query.size(); 4814 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4815 .get(userId); 4816 // Get the list of persistent preferred activities that handle the intent 4817 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4818 List<PersistentPreferredActivity> pprefs = ppir != null 4819 ? ppir.queryIntent(intent, resolvedType, 4820 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4821 : null; 4822 if (pprefs != null && pprefs.size() > 0) { 4823 final int M = pprefs.size(); 4824 for (int i=0; i<M; i++) { 4825 final PersistentPreferredActivity ppa = pprefs.get(i); 4826 if (DEBUG_PREFERRED || debug) { 4827 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4828 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4829 + "\n component=" + ppa.mComponent); 4830 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4831 } 4832 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4833 flags | MATCH_DISABLED_COMPONENTS, userId); 4834 if (DEBUG_PREFERRED || debug) { 4835 Slog.v(TAG, "Found persistent preferred activity:"); 4836 if (ai != null) { 4837 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4838 } else { 4839 Slog.v(TAG, " null"); 4840 } 4841 } 4842 if (ai == null) { 4843 // This previously registered persistent preferred activity 4844 // component is no longer known. Ignore it and do NOT remove it. 4845 continue; 4846 } 4847 for (int j=0; j<N; j++) { 4848 final ResolveInfo ri = query.get(j); 4849 if (!ri.activityInfo.applicationInfo.packageName 4850 .equals(ai.applicationInfo.packageName)) { 4851 continue; 4852 } 4853 if (!ri.activityInfo.name.equals(ai.name)) { 4854 continue; 4855 } 4856 // Found a persistent preference that can handle the intent. 4857 if (DEBUG_PREFERRED || debug) { 4858 Slog.v(TAG, "Returning persistent preferred activity: " + 4859 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4860 } 4861 return ri; 4862 } 4863 } 4864 } 4865 return null; 4866 } 4867 4868 // TODO: handle preferred activities missing while user has amnesia 4869 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4870 List<ResolveInfo> query, int priority, boolean always, 4871 boolean removeMatches, boolean debug, int userId) { 4872 if (!sUserManager.exists(userId)) return null; 4873 flags = updateFlagsForResolve(flags, userId, intent); 4874 // writer 4875 synchronized (mPackages) { 4876 if (intent.getSelector() != null) { 4877 intent = intent.getSelector(); 4878 } 4879 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4880 4881 // Try to find a matching persistent preferred activity. 4882 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4883 debug, userId); 4884 4885 // If a persistent preferred activity matched, use it. 4886 if (pri != null) { 4887 return pri; 4888 } 4889 4890 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4891 // Get the list of preferred activities that handle the intent 4892 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4893 List<PreferredActivity> prefs = pir != null 4894 ? pir.queryIntent(intent, resolvedType, 4895 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4896 : null; 4897 if (prefs != null && prefs.size() > 0) { 4898 boolean changed = false; 4899 try { 4900 // First figure out how good the original match set is. 4901 // We will only allow preferred activities that came 4902 // from the same match quality. 4903 int match = 0; 4904 4905 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4906 4907 final int N = query.size(); 4908 for (int j=0; j<N; j++) { 4909 final ResolveInfo ri = query.get(j); 4910 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4911 + ": 0x" + Integer.toHexString(match)); 4912 if (ri.match > match) { 4913 match = ri.match; 4914 } 4915 } 4916 4917 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4918 + Integer.toHexString(match)); 4919 4920 match &= IntentFilter.MATCH_CATEGORY_MASK; 4921 final int M = prefs.size(); 4922 for (int i=0; i<M; i++) { 4923 final PreferredActivity pa = prefs.get(i); 4924 if (DEBUG_PREFERRED || debug) { 4925 Slog.v(TAG, "Checking PreferredActivity ds=" 4926 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4927 + "\n component=" + pa.mPref.mComponent); 4928 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4929 } 4930 if (pa.mPref.mMatch != match) { 4931 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4932 + Integer.toHexString(pa.mPref.mMatch)); 4933 continue; 4934 } 4935 // If it's not an "always" type preferred activity and that's what we're 4936 // looking for, skip it. 4937 if (always && !pa.mPref.mAlways) { 4938 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4939 continue; 4940 } 4941 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4942 flags | MATCH_DISABLED_COMPONENTS, userId); 4943 if (DEBUG_PREFERRED || debug) { 4944 Slog.v(TAG, "Found preferred activity:"); 4945 if (ai != null) { 4946 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4947 } else { 4948 Slog.v(TAG, " null"); 4949 } 4950 } 4951 if (ai == null) { 4952 // This previously registered preferred activity 4953 // component is no longer known. Most likely an update 4954 // to the app was installed and in the new version this 4955 // component no longer exists. Clean it up by removing 4956 // it from the preferred activities list, and skip it. 4957 Slog.w(TAG, "Removing dangling preferred activity: " 4958 + pa.mPref.mComponent); 4959 pir.removeFilter(pa); 4960 changed = true; 4961 continue; 4962 } 4963 for (int j=0; j<N; j++) { 4964 final ResolveInfo ri = query.get(j); 4965 if (!ri.activityInfo.applicationInfo.packageName 4966 .equals(ai.applicationInfo.packageName)) { 4967 continue; 4968 } 4969 if (!ri.activityInfo.name.equals(ai.name)) { 4970 continue; 4971 } 4972 4973 if (removeMatches) { 4974 pir.removeFilter(pa); 4975 changed = true; 4976 if (DEBUG_PREFERRED) { 4977 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4978 } 4979 break; 4980 } 4981 4982 // Okay we found a previously set preferred or last chosen app. 4983 // If the result set is different from when this 4984 // was created, we need to clear it and re-ask the 4985 // user their preference, if we're looking for an "always" type entry. 4986 if (always && !pa.mPref.sameSet(query)) { 4987 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4988 + intent + " type " + resolvedType); 4989 if (DEBUG_PREFERRED) { 4990 Slog.v(TAG, "Removing preferred activity since set changed " 4991 + pa.mPref.mComponent); 4992 } 4993 pir.removeFilter(pa); 4994 // Re-add the filter as a "last chosen" entry (!always) 4995 PreferredActivity lastChosen = new PreferredActivity( 4996 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4997 pir.addFilter(lastChosen); 4998 changed = true; 4999 return null; 5000 } 5001 5002 // Yay! Either the set matched or we're looking for the last chosen 5003 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5004 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5005 return ri; 5006 } 5007 } 5008 } finally { 5009 if (changed) { 5010 if (DEBUG_PREFERRED) { 5011 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5012 } 5013 scheduleWritePackageRestrictionsLocked(userId); 5014 } 5015 } 5016 } 5017 } 5018 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5019 return null; 5020 } 5021 5022 /* 5023 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5024 */ 5025 @Override 5026 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5027 int targetUserId) { 5028 mContext.enforceCallingOrSelfPermission( 5029 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5030 List<CrossProfileIntentFilter> matches = 5031 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5032 if (matches != null) { 5033 int size = matches.size(); 5034 for (int i = 0; i < size; i++) { 5035 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5036 } 5037 } 5038 if (hasWebURI(intent)) { 5039 // cross-profile app linking works only towards the parent. 5040 final UserInfo parent = getProfileParent(sourceUserId); 5041 synchronized(mPackages) { 5042 int flags = updateFlagsForResolve(0, parent.id, intent); 5043 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5044 intent, resolvedType, flags, sourceUserId, parent.id); 5045 return xpDomainInfo != null; 5046 } 5047 } 5048 return false; 5049 } 5050 5051 private UserInfo getProfileParent(int userId) { 5052 final long identity = Binder.clearCallingIdentity(); 5053 try { 5054 return sUserManager.getProfileParent(userId); 5055 } finally { 5056 Binder.restoreCallingIdentity(identity); 5057 } 5058 } 5059 5060 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5061 String resolvedType, int userId) { 5062 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5063 if (resolver != null) { 5064 return resolver.queryIntent(intent, resolvedType, false, userId); 5065 } 5066 return null; 5067 } 5068 5069 @Override 5070 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5071 String resolvedType, int flags, int userId) { 5072 return new ParceledListSlice<>( 5073 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5074 } 5075 5076 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5077 String resolvedType, int flags, int userId) { 5078 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5079 flags = updateFlagsForResolve(flags, userId, intent); 5080 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5081 false /* requireFullPermission */, false /* checkShell */, 5082 "query intent activities"); 5083 ComponentName comp = intent.getComponent(); 5084 if (comp == null) { 5085 if (intent.getSelector() != null) { 5086 intent = intent.getSelector(); 5087 comp = intent.getComponent(); 5088 } 5089 } 5090 5091 if (comp != null) { 5092 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5093 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5094 if (ai != null) { 5095 final ResolveInfo ri = new ResolveInfo(); 5096 ri.activityInfo = ai; 5097 list.add(ri); 5098 } 5099 return list; 5100 } 5101 5102 // reader 5103 synchronized (mPackages) { 5104 final String pkgName = intent.getPackage(); 5105 if (pkgName == null) { 5106 List<CrossProfileIntentFilter> matchingFilters = 5107 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5108 // Check for results that need to skip the current profile. 5109 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5110 resolvedType, flags, userId); 5111 if (xpResolveInfo != null) { 5112 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5113 result.add(xpResolveInfo); 5114 return filterIfNotSystemUser(result, userId); 5115 } 5116 5117 // Check for results in the current profile. 5118 List<ResolveInfo> result = mActivities.queryIntent( 5119 intent, resolvedType, flags, userId); 5120 result = filterIfNotSystemUser(result, userId); 5121 5122 // Check for cross profile results. 5123 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5124 xpResolveInfo = queryCrossProfileIntents( 5125 matchingFilters, intent, resolvedType, flags, userId, 5126 hasNonNegativePriorityResult); 5127 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5128 boolean isVisibleToUser = filterIfNotSystemUser( 5129 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5130 if (isVisibleToUser) { 5131 result.add(xpResolveInfo); 5132 Collections.sort(result, mResolvePrioritySorter); 5133 } 5134 } 5135 if (hasWebURI(intent)) { 5136 CrossProfileDomainInfo xpDomainInfo = null; 5137 final UserInfo parent = getProfileParent(userId); 5138 if (parent != null) { 5139 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5140 flags, userId, parent.id); 5141 } 5142 if (xpDomainInfo != null) { 5143 if (xpResolveInfo != null) { 5144 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5145 // in the result. 5146 result.remove(xpResolveInfo); 5147 } 5148 if (result.size() == 0) { 5149 result.add(xpDomainInfo.resolveInfo); 5150 return result; 5151 } 5152 } else if (result.size() <= 1) { 5153 return result; 5154 } 5155 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5156 xpDomainInfo, userId); 5157 Collections.sort(result, mResolvePrioritySorter); 5158 } 5159 return result; 5160 } 5161 final PackageParser.Package pkg = mPackages.get(pkgName); 5162 if (pkg != null) { 5163 return filterIfNotSystemUser( 5164 mActivities.queryIntentForPackage( 5165 intent, resolvedType, flags, pkg.activities, userId), 5166 userId); 5167 } 5168 return new ArrayList<ResolveInfo>(); 5169 } 5170 } 5171 5172 private static class CrossProfileDomainInfo { 5173 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5174 ResolveInfo resolveInfo; 5175 /* Best domain verification status of the activities found in the other profile */ 5176 int bestDomainVerificationStatus; 5177 } 5178 5179 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5180 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5181 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5182 sourceUserId)) { 5183 return null; 5184 } 5185 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5186 resolvedType, flags, parentUserId); 5187 5188 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5189 return null; 5190 } 5191 CrossProfileDomainInfo result = null; 5192 int size = resultTargetUser.size(); 5193 for (int i = 0; i < size; i++) { 5194 ResolveInfo riTargetUser = resultTargetUser.get(i); 5195 // Intent filter verification is only for filters that specify a host. So don't return 5196 // those that handle all web uris. 5197 if (riTargetUser.handleAllWebDataURI) { 5198 continue; 5199 } 5200 String packageName = riTargetUser.activityInfo.packageName; 5201 PackageSetting ps = mSettings.mPackages.get(packageName); 5202 if (ps == null) { 5203 continue; 5204 } 5205 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5206 int status = (int)(verificationState >> 32); 5207 if (result == null) { 5208 result = new CrossProfileDomainInfo(); 5209 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5210 sourceUserId, parentUserId); 5211 result.bestDomainVerificationStatus = status; 5212 } else { 5213 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5214 result.bestDomainVerificationStatus); 5215 } 5216 } 5217 // Don't consider matches with status NEVER across profiles. 5218 if (result != null && result.bestDomainVerificationStatus 5219 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5220 return null; 5221 } 5222 return result; 5223 } 5224 5225 /** 5226 * Verification statuses are ordered from the worse to the best, except for 5227 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5228 */ 5229 private int bestDomainVerificationStatus(int status1, int status2) { 5230 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5231 return status2; 5232 } 5233 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5234 return status1; 5235 } 5236 return (int) MathUtils.max(status1, status2); 5237 } 5238 5239 private boolean isUserEnabled(int userId) { 5240 long callingId = Binder.clearCallingIdentity(); 5241 try { 5242 UserInfo userInfo = sUserManager.getUserInfo(userId); 5243 return userInfo != null && userInfo.isEnabled(); 5244 } finally { 5245 Binder.restoreCallingIdentity(callingId); 5246 } 5247 } 5248 5249 /** 5250 * Filter out activities with systemUserOnly flag set, when current user is not System. 5251 * 5252 * @return filtered list 5253 */ 5254 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5255 if (userId == UserHandle.USER_SYSTEM) { 5256 return resolveInfos; 5257 } 5258 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5259 ResolveInfo info = resolveInfos.get(i); 5260 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5261 resolveInfos.remove(i); 5262 } 5263 } 5264 return resolveInfos; 5265 } 5266 5267 /** 5268 * @param resolveInfos list of resolve infos in descending priority order 5269 * @return if the list contains a resolve info with non-negative priority 5270 */ 5271 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5272 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5273 } 5274 5275 private static boolean hasWebURI(Intent intent) { 5276 if (intent.getData() == null) { 5277 return false; 5278 } 5279 final String scheme = intent.getScheme(); 5280 if (TextUtils.isEmpty(scheme)) { 5281 return false; 5282 } 5283 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5284 } 5285 5286 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5287 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5288 int userId) { 5289 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5290 5291 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5292 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5293 candidates.size()); 5294 } 5295 5296 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5297 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5298 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5299 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5300 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5301 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5302 5303 synchronized (mPackages) { 5304 final int count = candidates.size(); 5305 // First, try to use linked apps. Partition the candidates into four lists: 5306 // one for the final results, one for the "do not use ever", one for "undefined status" 5307 // and finally one for "browser app type". 5308 for (int n=0; n<count; n++) { 5309 ResolveInfo info = candidates.get(n); 5310 String packageName = info.activityInfo.packageName; 5311 PackageSetting ps = mSettings.mPackages.get(packageName); 5312 if (ps != null) { 5313 // Add to the special match all list (Browser use case) 5314 if (info.handleAllWebDataURI) { 5315 matchAllList.add(info); 5316 continue; 5317 } 5318 // Try to get the status from User settings first 5319 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5320 int status = (int)(packedStatus >> 32); 5321 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5322 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5323 if (DEBUG_DOMAIN_VERIFICATION) { 5324 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5325 + " : linkgen=" + linkGeneration); 5326 } 5327 // Use link-enabled generation as preferredOrder, i.e. 5328 // prefer newly-enabled over earlier-enabled. 5329 info.preferredOrder = linkGeneration; 5330 alwaysList.add(info); 5331 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5332 if (DEBUG_DOMAIN_VERIFICATION) { 5333 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5334 } 5335 neverList.add(info); 5336 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5337 if (DEBUG_DOMAIN_VERIFICATION) { 5338 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5339 } 5340 alwaysAskList.add(info); 5341 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5342 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5343 if (DEBUG_DOMAIN_VERIFICATION) { 5344 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5345 } 5346 undefinedList.add(info); 5347 } 5348 } 5349 } 5350 5351 // We'll want to include browser possibilities in a few cases 5352 boolean includeBrowser = false; 5353 5354 // First try to add the "always" resolution(s) for the current user, if any 5355 if (alwaysList.size() > 0) { 5356 result.addAll(alwaysList); 5357 } else { 5358 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5359 result.addAll(undefinedList); 5360 // Maybe add one for the other profile. 5361 if (xpDomainInfo != null && ( 5362 xpDomainInfo.bestDomainVerificationStatus 5363 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5364 result.add(xpDomainInfo.resolveInfo); 5365 } 5366 includeBrowser = true; 5367 } 5368 5369 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5370 // If there were 'always' entries their preferred order has been set, so we also 5371 // back that off to make the alternatives equivalent 5372 if (alwaysAskList.size() > 0) { 5373 for (ResolveInfo i : result) { 5374 i.preferredOrder = 0; 5375 } 5376 result.addAll(alwaysAskList); 5377 includeBrowser = true; 5378 } 5379 5380 if (includeBrowser) { 5381 // Also add browsers (all of them or only the default one) 5382 if (DEBUG_DOMAIN_VERIFICATION) { 5383 Slog.v(TAG, " ...including browsers in candidate set"); 5384 } 5385 if ((matchFlags & MATCH_ALL) != 0) { 5386 result.addAll(matchAllList); 5387 } else { 5388 // Browser/generic handling case. If there's a default browser, go straight 5389 // to that (but only if there is no other higher-priority match). 5390 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5391 int maxMatchPrio = 0; 5392 ResolveInfo defaultBrowserMatch = null; 5393 final int numCandidates = matchAllList.size(); 5394 for (int n = 0; n < numCandidates; n++) { 5395 ResolveInfo info = matchAllList.get(n); 5396 // track the highest overall match priority... 5397 if (info.priority > maxMatchPrio) { 5398 maxMatchPrio = info.priority; 5399 } 5400 // ...and the highest-priority default browser match 5401 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5402 if (defaultBrowserMatch == null 5403 || (defaultBrowserMatch.priority < info.priority)) { 5404 if (debug) { 5405 Slog.v(TAG, "Considering default browser match " + info); 5406 } 5407 defaultBrowserMatch = info; 5408 } 5409 } 5410 } 5411 if (defaultBrowserMatch != null 5412 && defaultBrowserMatch.priority >= maxMatchPrio 5413 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5414 { 5415 if (debug) { 5416 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5417 } 5418 result.add(defaultBrowserMatch); 5419 } else { 5420 result.addAll(matchAllList); 5421 } 5422 } 5423 5424 // If there is nothing selected, add all candidates and remove the ones that the user 5425 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5426 if (result.size() == 0) { 5427 result.addAll(candidates); 5428 result.removeAll(neverList); 5429 } 5430 } 5431 } 5432 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5433 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5434 result.size()); 5435 for (ResolveInfo info : result) { 5436 Slog.v(TAG, " + " + info.activityInfo); 5437 } 5438 } 5439 return result; 5440 } 5441 5442 // Returns a packed value as a long: 5443 // 5444 // high 'int'-sized word: link status: undefined/ask/never/always. 5445 // low 'int'-sized word: relative priority among 'always' results. 5446 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5447 long result = ps.getDomainVerificationStatusForUser(userId); 5448 // if none available, get the master status 5449 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5450 if (ps.getIntentFilterVerificationInfo() != null) { 5451 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5452 } 5453 } 5454 return result; 5455 } 5456 5457 private ResolveInfo querySkipCurrentProfileIntents( 5458 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5459 int flags, int sourceUserId) { 5460 if (matchingFilters != null) { 5461 int size = matchingFilters.size(); 5462 for (int i = 0; i < size; i ++) { 5463 CrossProfileIntentFilter filter = matchingFilters.get(i); 5464 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5465 // Checking if there are activities in the target user that can handle the 5466 // intent. 5467 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5468 resolvedType, flags, sourceUserId); 5469 if (resolveInfo != null) { 5470 return resolveInfo; 5471 } 5472 } 5473 } 5474 } 5475 return null; 5476 } 5477 5478 // Return matching ResolveInfo in target user if any. 5479 private ResolveInfo queryCrossProfileIntents( 5480 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5481 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5482 if (matchingFilters != null) { 5483 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5484 // match the same intent. For performance reasons, it is better not to 5485 // run queryIntent twice for the same userId 5486 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5487 int size = matchingFilters.size(); 5488 for (int i = 0; i < size; i++) { 5489 CrossProfileIntentFilter filter = matchingFilters.get(i); 5490 int targetUserId = filter.getTargetUserId(); 5491 boolean skipCurrentProfile = 5492 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5493 boolean skipCurrentProfileIfNoMatchFound = 5494 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5495 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5496 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5497 // Checking if there are activities in the target user that can handle the 5498 // intent. 5499 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5500 resolvedType, flags, sourceUserId); 5501 if (resolveInfo != null) return resolveInfo; 5502 alreadyTriedUserIds.put(targetUserId, true); 5503 } 5504 } 5505 } 5506 return null; 5507 } 5508 5509 /** 5510 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5511 * will forward the intent to the filter's target user. 5512 * Otherwise, returns null. 5513 */ 5514 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5515 String resolvedType, int flags, int sourceUserId) { 5516 int targetUserId = filter.getTargetUserId(); 5517 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5518 resolvedType, flags, targetUserId); 5519 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5520 // If all the matches in the target profile are suspended, return null. 5521 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5522 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5523 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5524 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5525 targetUserId); 5526 } 5527 } 5528 } 5529 return null; 5530 } 5531 5532 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5533 int sourceUserId, int targetUserId) { 5534 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5535 long ident = Binder.clearCallingIdentity(); 5536 boolean targetIsProfile; 5537 try { 5538 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5539 } finally { 5540 Binder.restoreCallingIdentity(ident); 5541 } 5542 String className; 5543 if (targetIsProfile) { 5544 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5545 } else { 5546 className = FORWARD_INTENT_TO_PARENT; 5547 } 5548 ComponentName forwardingActivityComponentName = new ComponentName( 5549 mAndroidApplication.packageName, className); 5550 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5551 sourceUserId); 5552 if (!targetIsProfile) { 5553 forwardingActivityInfo.showUserIcon = targetUserId; 5554 forwardingResolveInfo.noResourceId = true; 5555 } 5556 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5557 forwardingResolveInfo.priority = 0; 5558 forwardingResolveInfo.preferredOrder = 0; 5559 forwardingResolveInfo.match = 0; 5560 forwardingResolveInfo.isDefault = true; 5561 forwardingResolveInfo.filter = filter; 5562 forwardingResolveInfo.targetUserId = targetUserId; 5563 return forwardingResolveInfo; 5564 } 5565 5566 @Override 5567 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5568 Intent[] specifics, String[] specificTypes, Intent intent, 5569 String resolvedType, int flags, int userId) { 5570 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5571 specificTypes, intent, resolvedType, flags, userId)); 5572 } 5573 5574 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5575 Intent[] specifics, String[] specificTypes, Intent intent, 5576 String resolvedType, int flags, int userId) { 5577 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5578 flags = updateFlagsForResolve(flags, userId, intent); 5579 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5580 false /* requireFullPermission */, false /* checkShell */, 5581 "query intent activity options"); 5582 final String resultsAction = intent.getAction(); 5583 5584 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5585 | PackageManager.GET_RESOLVED_FILTER, userId); 5586 5587 if (DEBUG_INTENT_MATCHING) { 5588 Log.v(TAG, "Query " + intent + ": " + results); 5589 } 5590 5591 int specificsPos = 0; 5592 int N; 5593 5594 // todo: note that the algorithm used here is O(N^2). This 5595 // isn't a problem in our current environment, but if we start running 5596 // into situations where we have more than 5 or 10 matches then this 5597 // should probably be changed to something smarter... 5598 5599 // First we go through and resolve each of the specific items 5600 // that were supplied, taking care of removing any corresponding 5601 // duplicate items in the generic resolve list. 5602 if (specifics != null) { 5603 for (int i=0; i<specifics.length; i++) { 5604 final Intent sintent = specifics[i]; 5605 if (sintent == null) { 5606 continue; 5607 } 5608 5609 if (DEBUG_INTENT_MATCHING) { 5610 Log.v(TAG, "Specific #" + i + ": " + sintent); 5611 } 5612 5613 String action = sintent.getAction(); 5614 if (resultsAction != null && resultsAction.equals(action)) { 5615 // If this action was explicitly requested, then don't 5616 // remove things that have it. 5617 action = null; 5618 } 5619 5620 ResolveInfo ri = null; 5621 ActivityInfo ai = null; 5622 5623 ComponentName comp = sintent.getComponent(); 5624 if (comp == null) { 5625 ri = resolveIntent( 5626 sintent, 5627 specificTypes != null ? specificTypes[i] : null, 5628 flags, userId); 5629 if (ri == null) { 5630 continue; 5631 } 5632 if (ri == mResolveInfo) { 5633 // ACK! Must do something better with this. 5634 } 5635 ai = ri.activityInfo; 5636 comp = new ComponentName(ai.applicationInfo.packageName, 5637 ai.name); 5638 } else { 5639 ai = getActivityInfo(comp, flags, userId); 5640 if (ai == null) { 5641 continue; 5642 } 5643 } 5644 5645 // Look for any generic query activities that are duplicates 5646 // of this specific one, and remove them from the results. 5647 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5648 N = results.size(); 5649 int j; 5650 for (j=specificsPos; j<N; j++) { 5651 ResolveInfo sri = results.get(j); 5652 if ((sri.activityInfo.name.equals(comp.getClassName()) 5653 && sri.activityInfo.applicationInfo.packageName.equals( 5654 comp.getPackageName())) 5655 || (action != null && sri.filter.matchAction(action))) { 5656 results.remove(j); 5657 if (DEBUG_INTENT_MATCHING) Log.v( 5658 TAG, "Removing duplicate item from " + j 5659 + " due to specific " + specificsPos); 5660 if (ri == null) { 5661 ri = sri; 5662 } 5663 j--; 5664 N--; 5665 } 5666 } 5667 5668 // Add this specific item to its proper place. 5669 if (ri == null) { 5670 ri = new ResolveInfo(); 5671 ri.activityInfo = ai; 5672 } 5673 results.add(specificsPos, ri); 5674 ri.specificIndex = i; 5675 specificsPos++; 5676 } 5677 } 5678 5679 // Now we go through the remaining generic results and remove any 5680 // duplicate actions that are found here. 5681 N = results.size(); 5682 for (int i=specificsPos; i<N-1; i++) { 5683 final ResolveInfo rii = results.get(i); 5684 if (rii.filter == null) { 5685 continue; 5686 } 5687 5688 // Iterate over all of the actions of this result's intent 5689 // filter... typically this should be just one. 5690 final Iterator<String> it = rii.filter.actionsIterator(); 5691 if (it == null) { 5692 continue; 5693 } 5694 while (it.hasNext()) { 5695 final String action = it.next(); 5696 if (resultsAction != null && resultsAction.equals(action)) { 5697 // If this action was explicitly requested, then don't 5698 // remove things that have it. 5699 continue; 5700 } 5701 for (int j=i+1; j<N; j++) { 5702 final ResolveInfo rij = results.get(j); 5703 if (rij.filter != null && rij.filter.hasAction(action)) { 5704 results.remove(j); 5705 if (DEBUG_INTENT_MATCHING) Log.v( 5706 TAG, "Removing duplicate item from " + j 5707 + " due to action " + action + " at " + i); 5708 j--; 5709 N--; 5710 } 5711 } 5712 } 5713 5714 // If the caller didn't request filter information, drop it now 5715 // so we don't have to marshall/unmarshall it. 5716 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5717 rii.filter = null; 5718 } 5719 } 5720 5721 // Filter out the caller activity if so requested. 5722 if (caller != null) { 5723 N = results.size(); 5724 for (int i=0; i<N; i++) { 5725 ActivityInfo ainfo = results.get(i).activityInfo; 5726 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5727 && caller.getClassName().equals(ainfo.name)) { 5728 results.remove(i); 5729 break; 5730 } 5731 } 5732 } 5733 5734 // If the caller didn't request filter information, 5735 // drop them now so we don't have to 5736 // marshall/unmarshall it. 5737 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5738 N = results.size(); 5739 for (int i=0; i<N; i++) { 5740 results.get(i).filter = null; 5741 } 5742 } 5743 5744 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5745 return results; 5746 } 5747 5748 @Override 5749 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5750 String resolvedType, int flags, int userId) { 5751 return new ParceledListSlice<>( 5752 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5753 } 5754 5755 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5756 String resolvedType, int flags, int userId) { 5757 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5758 flags = updateFlagsForResolve(flags, userId, intent); 5759 ComponentName comp = intent.getComponent(); 5760 if (comp == null) { 5761 if (intent.getSelector() != null) { 5762 intent = intent.getSelector(); 5763 comp = intent.getComponent(); 5764 } 5765 } 5766 if (comp != null) { 5767 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5768 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5769 if (ai != null) { 5770 ResolveInfo ri = new ResolveInfo(); 5771 ri.activityInfo = ai; 5772 list.add(ri); 5773 } 5774 return list; 5775 } 5776 5777 // reader 5778 synchronized (mPackages) { 5779 String pkgName = intent.getPackage(); 5780 if (pkgName == null) { 5781 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5782 } 5783 final PackageParser.Package pkg = mPackages.get(pkgName); 5784 if (pkg != null) { 5785 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5786 userId); 5787 } 5788 return Collections.emptyList(); 5789 } 5790 } 5791 5792 @Override 5793 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5794 if (!sUserManager.exists(userId)) return null; 5795 flags = updateFlagsForResolve(flags, userId, intent); 5796 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5797 if (query != null) { 5798 if (query.size() >= 1) { 5799 // If there is more than one service with the same priority, 5800 // just arbitrarily pick the first one. 5801 return query.get(0); 5802 } 5803 } 5804 return null; 5805 } 5806 5807 @Override 5808 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5809 String resolvedType, int flags, int userId) { 5810 return new ParceledListSlice<>( 5811 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5812 } 5813 5814 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5815 String resolvedType, int flags, int userId) { 5816 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5817 flags = updateFlagsForResolve(flags, userId, intent); 5818 ComponentName comp = intent.getComponent(); 5819 if (comp == null) { 5820 if (intent.getSelector() != null) { 5821 intent = intent.getSelector(); 5822 comp = intent.getComponent(); 5823 } 5824 } 5825 if (comp != null) { 5826 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5827 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5828 if (si != null) { 5829 final ResolveInfo ri = new ResolveInfo(); 5830 ri.serviceInfo = si; 5831 list.add(ri); 5832 } 5833 return list; 5834 } 5835 5836 // reader 5837 synchronized (mPackages) { 5838 String pkgName = intent.getPackage(); 5839 if (pkgName == null) { 5840 return mServices.queryIntent(intent, resolvedType, flags, userId); 5841 } 5842 final PackageParser.Package pkg = mPackages.get(pkgName); 5843 if (pkg != null) { 5844 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5845 userId); 5846 } 5847 return Collections.emptyList(); 5848 } 5849 } 5850 5851 @Override 5852 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 5853 String resolvedType, int flags, int userId) { 5854 return new ParceledListSlice<>( 5855 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 5856 } 5857 5858 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 5859 Intent intent, String resolvedType, int flags, int userId) { 5860 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5861 flags = updateFlagsForResolve(flags, userId, intent); 5862 ComponentName comp = intent.getComponent(); 5863 if (comp == null) { 5864 if (intent.getSelector() != null) { 5865 intent = intent.getSelector(); 5866 comp = intent.getComponent(); 5867 } 5868 } 5869 if (comp != null) { 5870 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5871 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5872 if (pi != null) { 5873 final ResolveInfo ri = new ResolveInfo(); 5874 ri.providerInfo = pi; 5875 list.add(ri); 5876 } 5877 return list; 5878 } 5879 5880 // reader 5881 synchronized (mPackages) { 5882 String pkgName = intent.getPackage(); 5883 if (pkgName == null) { 5884 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5885 } 5886 final PackageParser.Package pkg = mPackages.get(pkgName); 5887 if (pkg != null) { 5888 return mProviders.queryIntentForPackage( 5889 intent, resolvedType, flags, pkg.providers, userId); 5890 } 5891 return Collections.emptyList(); 5892 } 5893 } 5894 5895 @Override 5896 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5897 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5898 flags = updateFlagsForPackage(flags, userId, null); 5899 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5900 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5901 true /* requireFullPermission */, false /* checkShell */, 5902 "get installed packages"); 5903 5904 // writer 5905 synchronized (mPackages) { 5906 ArrayList<PackageInfo> list; 5907 if (listUninstalled) { 5908 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5909 for (PackageSetting ps : mSettings.mPackages.values()) { 5910 PackageInfo pi; 5911 if (ps.pkg != null) { 5912 pi = generatePackageInfo(ps.pkg, flags, userId); 5913 } else { 5914 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5915 } 5916 if (pi != null) { 5917 list.add(pi); 5918 } 5919 } 5920 } else { 5921 list = new ArrayList<PackageInfo>(mPackages.size()); 5922 for (PackageParser.Package p : mPackages.values()) { 5923 PackageInfo pi = generatePackageInfo(p, flags, userId); 5924 if (pi != null) { 5925 list.add(pi); 5926 } 5927 } 5928 } 5929 5930 return new ParceledListSlice<PackageInfo>(list); 5931 } 5932 } 5933 5934 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5935 String[] permissions, boolean[] tmp, int flags, int userId) { 5936 int numMatch = 0; 5937 final PermissionsState permissionsState = ps.getPermissionsState(); 5938 for (int i=0; i<permissions.length; i++) { 5939 final String permission = permissions[i]; 5940 if (permissionsState.hasPermission(permission, userId)) { 5941 tmp[i] = true; 5942 numMatch++; 5943 } else { 5944 tmp[i] = false; 5945 } 5946 } 5947 if (numMatch == 0) { 5948 return; 5949 } 5950 PackageInfo pi; 5951 if (ps.pkg != null) { 5952 pi = generatePackageInfo(ps.pkg, flags, userId); 5953 } else { 5954 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5955 } 5956 // The above might return null in cases of uninstalled apps or install-state 5957 // skew across users/profiles. 5958 if (pi != null) { 5959 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5960 if (numMatch == permissions.length) { 5961 pi.requestedPermissions = permissions; 5962 } else { 5963 pi.requestedPermissions = new String[numMatch]; 5964 numMatch = 0; 5965 for (int i=0; i<permissions.length; i++) { 5966 if (tmp[i]) { 5967 pi.requestedPermissions[numMatch] = permissions[i]; 5968 numMatch++; 5969 } 5970 } 5971 } 5972 } 5973 list.add(pi); 5974 } 5975 } 5976 5977 @Override 5978 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5979 String[] permissions, int flags, int userId) { 5980 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5981 flags = updateFlagsForPackage(flags, userId, permissions); 5982 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5983 5984 // writer 5985 synchronized (mPackages) { 5986 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5987 boolean[] tmpBools = new boolean[permissions.length]; 5988 if (listUninstalled) { 5989 for (PackageSetting ps : mSettings.mPackages.values()) { 5990 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5991 } 5992 } else { 5993 for (PackageParser.Package pkg : mPackages.values()) { 5994 PackageSetting ps = (PackageSetting)pkg.mExtras; 5995 if (ps != null) { 5996 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5997 userId); 5998 } 5999 } 6000 } 6001 6002 return new ParceledListSlice<PackageInfo>(list); 6003 } 6004 } 6005 6006 @Override 6007 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6008 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6009 flags = updateFlagsForApplication(flags, userId, null); 6010 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6011 6012 // writer 6013 synchronized (mPackages) { 6014 ArrayList<ApplicationInfo> list; 6015 if (listUninstalled) { 6016 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6017 for (PackageSetting ps : mSettings.mPackages.values()) { 6018 ApplicationInfo ai; 6019 if (ps.pkg != null) { 6020 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6021 ps.readUserState(userId), userId); 6022 } else { 6023 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6024 } 6025 if (ai != null) { 6026 list.add(ai); 6027 } 6028 } 6029 } else { 6030 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6031 for (PackageParser.Package p : mPackages.values()) { 6032 if (p.mExtras != null) { 6033 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6034 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6035 if (ai != null) { 6036 list.add(ai); 6037 } 6038 } 6039 } 6040 } 6041 6042 return new ParceledListSlice<ApplicationInfo>(list); 6043 } 6044 } 6045 6046 @Override 6047 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6048 if (DISABLE_EPHEMERAL_APPS) { 6049 return null; 6050 } 6051 6052 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6053 "getEphemeralApplications"); 6054 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6055 true /* requireFullPermission */, false /* checkShell */, 6056 "getEphemeralApplications"); 6057 synchronized (mPackages) { 6058 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6059 .getEphemeralApplicationsLPw(userId); 6060 if (ephemeralApps != null) { 6061 return new ParceledListSlice<>(ephemeralApps); 6062 } 6063 } 6064 return null; 6065 } 6066 6067 @Override 6068 public boolean isEphemeralApplication(String packageName, int userId) { 6069 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6070 true /* requireFullPermission */, false /* checkShell */, 6071 "isEphemeral"); 6072 if (DISABLE_EPHEMERAL_APPS) { 6073 return false; 6074 } 6075 6076 if (!isCallerSameApp(packageName)) { 6077 return false; 6078 } 6079 synchronized (mPackages) { 6080 PackageParser.Package pkg = mPackages.get(packageName); 6081 if (pkg != null) { 6082 return pkg.applicationInfo.isEphemeralApp(); 6083 } 6084 } 6085 return false; 6086 } 6087 6088 @Override 6089 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6090 if (DISABLE_EPHEMERAL_APPS) { 6091 return null; 6092 } 6093 6094 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6095 true /* requireFullPermission */, false /* checkShell */, 6096 "getCookie"); 6097 if (!isCallerSameApp(packageName)) { 6098 return null; 6099 } 6100 synchronized (mPackages) { 6101 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6102 packageName, userId); 6103 } 6104 } 6105 6106 @Override 6107 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6108 if (DISABLE_EPHEMERAL_APPS) { 6109 return true; 6110 } 6111 6112 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6113 true /* requireFullPermission */, true /* checkShell */, 6114 "setCookie"); 6115 if (!isCallerSameApp(packageName)) { 6116 return false; 6117 } 6118 synchronized (mPackages) { 6119 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6120 packageName, cookie, userId); 6121 } 6122 } 6123 6124 @Override 6125 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6126 if (DISABLE_EPHEMERAL_APPS) { 6127 return null; 6128 } 6129 6130 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6131 "getEphemeralApplicationIcon"); 6132 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6133 true /* requireFullPermission */, false /* checkShell */, 6134 "getEphemeralApplicationIcon"); 6135 synchronized (mPackages) { 6136 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6137 packageName, userId); 6138 } 6139 } 6140 6141 private boolean isCallerSameApp(String packageName) { 6142 PackageParser.Package pkg = mPackages.get(packageName); 6143 return pkg != null 6144 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6145 } 6146 6147 @Override 6148 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6149 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6150 } 6151 6152 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6153 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6154 6155 // reader 6156 synchronized (mPackages) { 6157 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6158 final int userId = UserHandle.getCallingUserId(); 6159 while (i.hasNext()) { 6160 final PackageParser.Package p = i.next(); 6161 if (p.applicationInfo == null) continue; 6162 6163 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6164 && !p.applicationInfo.isDirectBootAware(); 6165 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6166 && p.applicationInfo.isDirectBootAware(); 6167 6168 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6169 && (!mSafeMode || isSystemApp(p)) 6170 && (matchesUnaware || matchesAware)) { 6171 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6172 if (ps != null) { 6173 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6174 ps.readUserState(userId), userId); 6175 if (ai != null) { 6176 finalList.add(ai); 6177 } 6178 } 6179 } 6180 } 6181 } 6182 6183 return finalList; 6184 } 6185 6186 @Override 6187 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6188 if (!sUserManager.exists(userId)) return null; 6189 flags = updateFlagsForComponent(flags, userId, name); 6190 // reader 6191 synchronized (mPackages) { 6192 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6193 PackageSetting ps = provider != null 6194 ? mSettings.mPackages.get(provider.owner.packageName) 6195 : null; 6196 return ps != null 6197 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6198 ? PackageParser.generateProviderInfo(provider, flags, 6199 ps.readUserState(userId), userId) 6200 : null; 6201 } 6202 } 6203 6204 /** 6205 * @deprecated 6206 */ 6207 @Deprecated 6208 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6209 // reader 6210 synchronized (mPackages) { 6211 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6212 .entrySet().iterator(); 6213 final int userId = UserHandle.getCallingUserId(); 6214 while (i.hasNext()) { 6215 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6216 PackageParser.Provider p = entry.getValue(); 6217 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6218 6219 if (ps != null && p.syncable 6220 && (!mSafeMode || (p.info.applicationInfo.flags 6221 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6222 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6223 ps.readUserState(userId), userId); 6224 if (info != null) { 6225 outNames.add(entry.getKey()); 6226 outInfo.add(info); 6227 } 6228 } 6229 } 6230 } 6231 } 6232 6233 @Override 6234 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6235 int uid, int flags) { 6236 final int userId = processName != null ? UserHandle.getUserId(uid) 6237 : UserHandle.getCallingUserId(); 6238 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6239 flags = updateFlagsForComponent(flags, userId, processName); 6240 6241 ArrayList<ProviderInfo> finalList = null; 6242 // reader 6243 synchronized (mPackages) { 6244 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6245 while (i.hasNext()) { 6246 final PackageParser.Provider p = i.next(); 6247 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6248 if (ps != null && p.info.authority != null 6249 && (processName == null 6250 || (p.info.processName.equals(processName) 6251 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6252 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6253 if (finalList == null) { 6254 finalList = new ArrayList<ProviderInfo>(3); 6255 } 6256 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6257 ps.readUserState(userId), userId); 6258 if (info != null) { 6259 finalList.add(info); 6260 } 6261 } 6262 } 6263 } 6264 6265 if (finalList != null) { 6266 Collections.sort(finalList, mProviderInitOrderSorter); 6267 return new ParceledListSlice<ProviderInfo>(finalList); 6268 } 6269 6270 return ParceledListSlice.emptyList(); 6271 } 6272 6273 @Override 6274 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6275 // reader 6276 synchronized (mPackages) { 6277 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6278 return PackageParser.generateInstrumentationInfo(i, flags); 6279 } 6280 } 6281 6282 @Override 6283 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6284 String targetPackage, int flags) { 6285 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6286 } 6287 6288 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6289 int flags) { 6290 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6291 6292 // reader 6293 synchronized (mPackages) { 6294 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6295 while (i.hasNext()) { 6296 final PackageParser.Instrumentation p = i.next(); 6297 if (targetPackage == null 6298 || targetPackage.equals(p.info.targetPackage)) { 6299 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6300 flags); 6301 if (ii != null) { 6302 finalList.add(ii); 6303 } 6304 } 6305 } 6306 } 6307 6308 return finalList; 6309 } 6310 6311 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6312 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6313 if (overlays == null) { 6314 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6315 return; 6316 } 6317 for (PackageParser.Package opkg : overlays.values()) { 6318 // Not much to do if idmap fails: we already logged the error 6319 // and we certainly don't want to abort installation of pkg simply 6320 // because an overlay didn't fit properly. For these reasons, 6321 // ignore the return value of createIdmapForPackagePairLI. 6322 createIdmapForPackagePairLI(pkg, opkg); 6323 } 6324 } 6325 6326 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6327 PackageParser.Package opkg) { 6328 if (!opkg.mTrustedOverlay) { 6329 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6330 opkg.baseCodePath + ": overlay not trusted"); 6331 return false; 6332 } 6333 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6334 if (overlaySet == null) { 6335 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6336 opkg.baseCodePath + " but target package has no known overlays"); 6337 return false; 6338 } 6339 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6340 // TODO: generate idmap for split APKs 6341 try { 6342 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6343 } catch (InstallerException e) { 6344 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6345 + opkg.baseCodePath); 6346 return false; 6347 } 6348 PackageParser.Package[] overlayArray = 6349 overlaySet.values().toArray(new PackageParser.Package[0]); 6350 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6351 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6352 return p1.mOverlayPriority - p2.mOverlayPriority; 6353 } 6354 }; 6355 Arrays.sort(overlayArray, cmp); 6356 6357 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6358 int i = 0; 6359 for (PackageParser.Package p : overlayArray) { 6360 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6361 } 6362 return true; 6363 } 6364 6365 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6366 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6367 try { 6368 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6369 } finally { 6370 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6371 } 6372 } 6373 6374 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6375 final File[] files = dir.listFiles(); 6376 if (ArrayUtils.isEmpty(files)) { 6377 Log.d(TAG, "No files in app dir " + dir); 6378 return; 6379 } 6380 6381 if (DEBUG_PACKAGE_SCANNING) { 6382 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6383 + " flags=0x" + Integer.toHexString(parseFlags)); 6384 } 6385 6386 for (File file : files) { 6387 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6388 && !PackageInstallerService.isStageName(file.getName()); 6389 if (!isPackage) { 6390 // Ignore entries which are not packages 6391 continue; 6392 } 6393 try { 6394 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6395 scanFlags, currentTime, null); 6396 } catch (PackageManagerException e) { 6397 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6398 6399 // Delete invalid userdata apps 6400 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6401 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6402 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6403 removeCodePathLI(file); 6404 } 6405 } 6406 } 6407 } 6408 6409 private static File getSettingsProblemFile() { 6410 File dataDir = Environment.getDataDirectory(); 6411 File systemDir = new File(dataDir, "system"); 6412 File fname = new File(systemDir, "uiderrors.txt"); 6413 return fname; 6414 } 6415 6416 static void reportSettingsProblem(int priority, String msg) { 6417 logCriticalInfo(priority, msg); 6418 } 6419 6420 static void logCriticalInfo(int priority, String msg) { 6421 Slog.println(priority, TAG, msg); 6422 EventLogTags.writePmCriticalInfo(msg); 6423 try { 6424 File fname = getSettingsProblemFile(); 6425 FileOutputStream out = new FileOutputStream(fname, true); 6426 PrintWriter pw = new FastPrintWriter(out); 6427 SimpleDateFormat formatter = new SimpleDateFormat(); 6428 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6429 pw.println(dateString + ": " + msg); 6430 pw.close(); 6431 FileUtils.setPermissions( 6432 fname.toString(), 6433 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6434 -1, -1); 6435 } catch (java.io.IOException e) { 6436 } 6437 } 6438 6439 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6440 int parseFlags) throws PackageManagerException { 6441 if (ps != null 6442 && ps.codePath.equals(srcFile) 6443 && ps.timeStamp == srcFile.lastModified() 6444 && !isCompatSignatureUpdateNeeded(pkg) 6445 && !isRecoverSignatureUpdateNeeded(pkg)) { 6446 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6447 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6448 ArraySet<PublicKey> signingKs; 6449 synchronized (mPackages) { 6450 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6451 } 6452 if (ps.signatures.mSignatures != null 6453 && ps.signatures.mSignatures.length != 0 6454 && signingKs != null) { 6455 // Optimization: reuse the existing cached certificates 6456 // if the package appears to be unchanged. 6457 pkg.mSignatures = ps.signatures.mSignatures; 6458 pkg.mSigningKeys = signingKs; 6459 return; 6460 } 6461 6462 Slog.w(TAG, "PackageSetting for " + ps.name 6463 + " is missing signatures. Collecting certs again to recover them."); 6464 } else { 6465 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6466 } 6467 6468 try { 6469 PackageParser.collectCertificates(pkg, parseFlags); 6470 } catch (PackageParserException e) { 6471 throw PackageManagerException.from(e); 6472 } 6473 } 6474 6475 /** 6476 * Traces a package scan. 6477 * @see #scanPackageLI(File, int, int, long, UserHandle) 6478 */ 6479 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6480 long currentTime, UserHandle user) throws PackageManagerException { 6481 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6482 try { 6483 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6484 } finally { 6485 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6486 } 6487 } 6488 6489 /** 6490 * Scans a package and returns the newly parsed package. 6491 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6492 */ 6493 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6494 long currentTime, UserHandle user) throws PackageManagerException { 6495 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6496 parseFlags |= mDefParseFlags; 6497 PackageParser pp = new PackageParser(); 6498 pp.setSeparateProcesses(mSeparateProcesses); 6499 pp.setOnlyCoreApps(mOnlyCore); 6500 pp.setDisplayMetrics(mMetrics); 6501 6502 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6503 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6504 } 6505 6506 final PackageParser.Package pkg; 6507 try { 6508 pkg = pp.parsePackage(scanFile, parseFlags); 6509 } catch (PackageParserException e) { 6510 throw PackageManagerException.from(e); 6511 } 6512 6513 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6514 } 6515 6516 /** 6517 * Scans a package and returns the newly parsed package. 6518 * @throws PackageManagerException on a parse error. 6519 */ 6520 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6521 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6522 throws PackageManagerException { 6523 // If the package has children and this is the first dive in the function 6524 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6525 // packages (parent and children) would be successfully scanned before the 6526 // actual scan since scanning mutates internal state and we want to atomically 6527 // install the package and its children. 6528 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6529 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6530 scanFlags |= SCAN_CHECK_ONLY; 6531 } 6532 } else { 6533 scanFlags &= ~SCAN_CHECK_ONLY; 6534 } 6535 6536 // Scan the parent 6537 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6538 scanFlags, currentTime, user); 6539 6540 // Scan the children 6541 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6542 for (int i = 0; i < childCount; i++) { 6543 PackageParser.Package childPackage = pkg.childPackages.get(i); 6544 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6545 currentTime, user); 6546 } 6547 6548 6549 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6550 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6551 } 6552 6553 return scannedPkg; 6554 } 6555 6556 /** 6557 * Scans a package and returns the newly parsed package. 6558 * @throws PackageManagerException on a parse error. 6559 */ 6560 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6561 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6562 throws PackageManagerException { 6563 PackageSetting ps = null; 6564 PackageSetting updatedPkg; 6565 // reader 6566 synchronized (mPackages) { 6567 // Look to see if we already know about this package. 6568 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6569 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6570 // This package has been renamed to its original name. Let's 6571 // use that. 6572 ps = mSettings.peekPackageLPr(oldName); 6573 } 6574 // If there was no original package, see one for the real package name. 6575 if (ps == null) { 6576 ps = mSettings.peekPackageLPr(pkg.packageName); 6577 } 6578 // Check to see if this package could be hiding/updating a system 6579 // package. Must look for it either under the original or real 6580 // package name depending on our state. 6581 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6582 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6583 6584 // If this is a package we don't know about on the system partition, we 6585 // may need to remove disabled child packages on the system partition 6586 // or may need to not add child packages if the parent apk is updated 6587 // on the data partition and no longer defines this child package. 6588 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6589 // If this is a parent package for an updated system app and this system 6590 // app got an OTA update which no longer defines some of the child packages 6591 // we have to prune them from the disabled system packages. 6592 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6593 if (disabledPs != null) { 6594 final int scannedChildCount = (pkg.childPackages != null) 6595 ? pkg.childPackages.size() : 0; 6596 final int disabledChildCount = disabledPs.childPackageNames != null 6597 ? disabledPs.childPackageNames.size() : 0; 6598 for (int i = 0; i < disabledChildCount; i++) { 6599 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6600 boolean disabledPackageAvailable = false; 6601 for (int j = 0; j < scannedChildCount; j++) { 6602 PackageParser.Package childPkg = pkg.childPackages.get(j); 6603 if (childPkg.packageName.equals(disabledChildPackageName)) { 6604 disabledPackageAvailable = true; 6605 break; 6606 } 6607 } 6608 if (!disabledPackageAvailable) { 6609 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6610 } 6611 } 6612 } 6613 } 6614 } 6615 6616 boolean updatedPkgBetter = false; 6617 // First check if this is a system package that may involve an update 6618 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6619 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6620 // it needs to drop FLAG_PRIVILEGED. 6621 if (locationIsPrivileged(scanFile)) { 6622 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6623 } else { 6624 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6625 } 6626 6627 if (ps != null && !ps.codePath.equals(scanFile)) { 6628 // The path has changed from what was last scanned... check the 6629 // version of the new path against what we have stored to determine 6630 // what to do. 6631 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6632 if (pkg.mVersionCode <= ps.versionCode) { 6633 // The system package has been updated and the code path does not match 6634 // Ignore entry. Skip it. 6635 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6636 + " ignored: updated version " + ps.versionCode 6637 + " better than this " + pkg.mVersionCode); 6638 if (!updatedPkg.codePath.equals(scanFile)) { 6639 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6640 + ps.name + " changing from " + updatedPkg.codePathString 6641 + " to " + scanFile); 6642 updatedPkg.codePath = scanFile; 6643 updatedPkg.codePathString = scanFile.toString(); 6644 updatedPkg.resourcePath = scanFile; 6645 updatedPkg.resourcePathString = scanFile.toString(); 6646 } 6647 updatedPkg.pkg = pkg; 6648 updatedPkg.versionCode = pkg.mVersionCode; 6649 6650 // Update the disabled system child packages to point to the package too. 6651 final int childCount = updatedPkg.childPackageNames != null 6652 ? updatedPkg.childPackageNames.size() : 0; 6653 for (int i = 0; i < childCount; i++) { 6654 String childPackageName = updatedPkg.childPackageNames.get(i); 6655 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6656 childPackageName); 6657 if (updatedChildPkg != null) { 6658 updatedChildPkg.pkg = pkg; 6659 updatedChildPkg.versionCode = pkg.mVersionCode; 6660 } 6661 } 6662 6663 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6664 + scanFile + " ignored: updated version " + ps.versionCode 6665 + " better than this " + pkg.mVersionCode); 6666 } else { 6667 // The current app on the system partition is better than 6668 // what we have updated to on the data partition; switch 6669 // back to the system partition version. 6670 // At this point, its safely assumed that package installation for 6671 // apps in system partition will go through. If not there won't be a working 6672 // version of the app 6673 // writer 6674 synchronized (mPackages) { 6675 // Just remove the loaded entries from package lists. 6676 mPackages.remove(ps.name); 6677 } 6678 6679 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6680 + " reverting from " + ps.codePathString 6681 + ": new version " + pkg.mVersionCode 6682 + " better than installed " + ps.versionCode); 6683 6684 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6685 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6686 synchronized (mInstallLock) { 6687 args.cleanUpResourcesLI(); 6688 } 6689 synchronized (mPackages) { 6690 mSettings.enableSystemPackageLPw(ps.name); 6691 } 6692 updatedPkgBetter = true; 6693 } 6694 } 6695 } 6696 6697 if (updatedPkg != null) { 6698 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6699 // initially 6700 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6701 6702 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6703 // flag set initially 6704 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6705 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6706 } 6707 } 6708 6709 // Verify certificates against what was last scanned 6710 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6711 6712 /* 6713 * A new system app appeared, but we already had a non-system one of the 6714 * same name installed earlier. 6715 */ 6716 boolean shouldHideSystemApp = false; 6717 if (updatedPkg == null && ps != null 6718 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6719 /* 6720 * Check to make sure the signatures match first. If they don't, 6721 * wipe the installed application and its data. 6722 */ 6723 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6724 != PackageManager.SIGNATURE_MATCH) { 6725 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6726 + " signatures don't match existing userdata copy; removing"); 6727 deletePackageLI(pkg.packageName, null, true, null, 0, null, false, null); 6728 ps = null; 6729 } else { 6730 /* 6731 * If the newly-added system app is an older version than the 6732 * already installed version, hide it. It will be scanned later 6733 * and re-added like an update. 6734 */ 6735 if (pkg.mVersionCode <= ps.versionCode) { 6736 shouldHideSystemApp = true; 6737 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6738 + " but new version " + pkg.mVersionCode + " better than installed " 6739 + ps.versionCode + "; hiding system"); 6740 } else { 6741 /* 6742 * The newly found system app is a newer version that the 6743 * one previously installed. Simply remove the 6744 * already-installed application and replace it with our own 6745 * while keeping the application data. 6746 */ 6747 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6748 + " reverting from " + ps.codePathString + ": new version " 6749 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6750 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6751 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6752 synchronized (mInstallLock) { 6753 args.cleanUpResourcesLI(); 6754 } 6755 } 6756 } 6757 } 6758 6759 // The apk is forward locked (not public) if its code and resources 6760 // are kept in different files. (except for app in either system or 6761 // vendor path). 6762 // TODO grab this value from PackageSettings 6763 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6764 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6765 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6766 } 6767 } 6768 6769 // TODO: extend to support forward-locked splits 6770 String resourcePath = null; 6771 String baseResourcePath = null; 6772 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6773 if (ps != null && ps.resourcePathString != null) { 6774 resourcePath = ps.resourcePathString; 6775 baseResourcePath = ps.resourcePathString; 6776 } else { 6777 // Should not happen at all. Just log an error. 6778 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6779 } 6780 } else { 6781 resourcePath = pkg.codePath; 6782 baseResourcePath = pkg.baseCodePath; 6783 } 6784 6785 // Set application objects path explicitly. 6786 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6787 pkg.setApplicationInfoCodePath(pkg.codePath); 6788 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6789 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6790 pkg.setApplicationInfoResourcePath(resourcePath); 6791 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6792 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6793 6794 // Note that we invoke the following method only if we are about to unpack an application 6795 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6796 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6797 6798 /* 6799 * If the system app should be overridden by a previously installed 6800 * data, hide the system app now and let the /data/app scan pick it up 6801 * again. 6802 */ 6803 if (shouldHideSystemApp) { 6804 synchronized (mPackages) { 6805 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6806 } 6807 } 6808 6809 return scannedPkg; 6810 } 6811 6812 private static String fixProcessName(String defProcessName, 6813 String processName, int uid) { 6814 if (processName == null) { 6815 return defProcessName; 6816 } 6817 return processName; 6818 } 6819 6820 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6821 throws PackageManagerException { 6822 if (pkgSetting.signatures.mSignatures != null) { 6823 // Already existing package. Make sure signatures match 6824 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6825 == PackageManager.SIGNATURE_MATCH; 6826 if (!match) { 6827 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6828 == PackageManager.SIGNATURE_MATCH; 6829 } 6830 if (!match) { 6831 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6832 == PackageManager.SIGNATURE_MATCH; 6833 } 6834 if (!match) { 6835 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6836 + pkg.packageName + " signatures do not match the " 6837 + "previously installed version; ignoring!"); 6838 } 6839 } 6840 6841 // Check for shared user signatures 6842 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6843 // Already existing package. Make sure signatures match 6844 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6845 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6846 if (!match) { 6847 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6848 == PackageManager.SIGNATURE_MATCH; 6849 } 6850 if (!match) { 6851 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6852 == PackageManager.SIGNATURE_MATCH; 6853 } 6854 if (!match) { 6855 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6856 "Package " + pkg.packageName 6857 + " has no signatures that match those in shared user " 6858 + pkgSetting.sharedUser.name + "; ignoring!"); 6859 } 6860 } 6861 } 6862 6863 /** 6864 * Enforces that only the system UID or root's UID can call a method exposed 6865 * via Binder. 6866 * 6867 * @param message used as message if SecurityException is thrown 6868 * @throws SecurityException if the caller is not system or root 6869 */ 6870 private static final void enforceSystemOrRoot(String message) { 6871 final int uid = Binder.getCallingUid(); 6872 if (uid != Process.SYSTEM_UID && uid != 0) { 6873 throw new SecurityException(message); 6874 } 6875 } 6876 6877 @Override 6878 public void performFstrimIfNeeded() { 6879 enforceSystemOrRoot("Only the system can request fstrim"); 6880 6881 // Before everything else, see whether we need to fstrim. 6882 try { 6883 IMountService ms = PackageHelper.getMountService(); 6884 if (ms != null) { 6885 final boolean isUpgrade = isUpgrade(); 6886 boolean doTrim = isUpgrade; 6887 if (doTrim) { 6888 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6889 } else { 6890 final long interval = android.provider.Settings.Global.getLong( 6891 mContext.getContentResolver(), 6892 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6893 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6894 if (interval > 0) { 6895 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6896 if (timeSinceLast > interval) { 6897 doTrim = true; 6898 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6899 + "; running immediately"); 6900 } 6901 } 6902 } 6903 if (doTrim) { 6904 if (!isFirstBoot()) { 6905 try { 6906 ActivityManagerNative.getDefault().showBootMessage( 6907 mContext.getResources().getString( 6908 R.string.android_upgrading_fstrim), true); 6909 } catch (RemoteException e) { 6910 } 6911 } 6912 ms.runMaintenance(); 6913 } 6914 } else { 6915 Slog.e(TAG, "Mount service unavailable!"); 6916 } 6917 } catch (RemoteException e) { 6918 // Can't happen; MountService is local 6919 } 6920 } 6921 6922 @Override 6923 public void extractPackagesIfNeeded() { 6924 enforceSystemOrRoot("Only the system can request package extraction"); 6925 6926 // We need to re-extract after an OTA. 6927 boolean causeUpgrade = isUpgrade(); 6928 6929 // First boot or factory reset. 6930 // Note: we also handle devices that are upgrading to N right now as if it is their 6931 // first boot, as they do not have profile data. 6932 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 6933 6934 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 6935 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 6936 6937 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 6938 return; 6939 } 6940 6941 List<PackageParser.Package> pkgs; 6942 synchronized (mPackages) { 6943 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 6944 } 6945 6946 int curr = 0; 6947 int total = pkgs.size(); 6948 for (PackageParser.Package pkg : pkgs) { 6949 curr++; 6950 6951 if (DEBUG_DEXOPT) { 6952 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 6953 } 6954 6955 if (!isFirstBoot()) { 6956 try { 6957 ActivityManagerNative.getDefault().showBootMessage( 6958 mContext.getResources().getString(R.string.android_upgrading_apk, 6959 curr, total), true); 6960 } catch (RemoteException e) { 6961 } 6962 } 6963 6964 if (PackageDexOptimizer.canOptimizePackage(pkg)) { 6965 // If the cache was pruned, any compiled odex files will likely be out of date 6966 // and would have to be patched (would be SELF_PATCHOAT, which is deprecated). 6967 // Instead, force the extraction in this case. 6968 performDexOpt(pkg.packageName, null /* instructionSet */, 6969 false /* checkProfiles */, 6970 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 6971 causePrunedCache); 6972 } 6973 } 6974 } 6975 6976 @Override 6977 public void notifyPackageUse(String packageName) { 6978 synchronized (mPackages) { 6979 PackageParser.Package p = mPackages.get(packageName); 6980 if (p == null) { 6981 return; 6982 } 6983 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6984 } 6985 } 6986 6987 // TODO: this is not used nor needed. Delete it. 6988 @Override 6989 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6990 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 6991 getFullCompilerFilter(), false /* force */); 6992 } 6993 6994 @Override 6995 public boolean performDexOpt(String packageName, String instructionSet, 6996 boolean checkProfiles, int compileReason, boolean force) { 6997 return performDexOptTraced(packageName, instructionSet, checkProfiles, 6998 getCompilerFilterForReason(compileReason), force); 6999 } 7000 7001 @Override 7002 public boolean performDexOptMode(String packageName, String instructionSet, 7003 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7004 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7005 targetCompilerFilter, force); 7006 } 7007 7008 private boolean performDexOptTraced(String packageName, String instructionSet, 7009 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7010 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7011 try { 7012 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7013 targetCompilerFilter, force); 7014 } finally { 7015 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7016 } 7017 } 7018 7019 private boolean performDexOptInternal(String packageName, String instructionSet, 7020 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7021 PackageParser.Package p; 7022 final String targetInstructionSet; 7023 synchronized (mPackages) { 7024 p = mPackages.get(packageName); 7025 if (p == null) { 7026 return false; 7027 } 7028 mPackageUsage.write(false); 7029 7030 targetInstructionSet = instructionSet != null ? instructionSet : 7031 getPrimaryInstructionSet(p.applicationInfo); 7032 } 7033 long callingId = Binder.clearCallingIdentity(); 7034 try { 7035 synchronized (mInstallLock) { 7036 final String[] instructionSets = new String[] { targetInstructionSet }; 7037 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7038 checkProfiles, targetCompilerFilter, force); 7039 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 7040 } 7041 } finally { 7042 Binder.restoreCallingIdentity(callingId); 7043 } 7044 } 7045 7046 public ArraySet<String> getOptimizablePackages() { 7047 ArraySet<String> pkgs = new ArraySet<String>(); 7048 synchronized (mPackages) { 7049 for (PackageParser.Package p : mPackages.values()) { 7050 if (PackageDexOptimizer.canOptimizePackage(p)) { 7051 pkgs.add(p.packageName); 7052 } 7053 } 7054 } 7055 return pkgs; 7056 } 7057 7058 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7059 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7060 boolean force) { 7061 // Select the dex optimizer based on the force parameter. 7062 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7063 // allocate an object here. 7064 PackageDexOptimizer pdo = force 7065 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7066 : mPackageDexOptimizer; 7067 7068 // Optimize all dependencies first. Note: we ignore the return value and march on 7069 // on errors. 7070 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7071 if (!deps.isEmpty()) { 7072 for (PackageParser.Package depPackage : deps) { 7073 // TODO: Analyze and investigate if we (should) profile libraries. 7074 // Currently this will do a full compilation of the library by default. 7075 pdo.performDexOpt(depPackage, instructionSets, false /* checkProfiles */, 7076 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7077 } 7078 } 7079 7080 return pdo.performDexOpt(p, instructionSets, checkProfiles, targetCompilerFilter); 7081 } 7082 7083 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7084 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7085 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7086 Set<String> collectedNames = new HashSet<>(); 7087 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7088 7089 retValue.remove(p); 7090 7091 return retValue; 7092 } else { 7093 return Collections.emptyList(); 7094 } 7095 } 7096 7097 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7098 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7099 if (!collectedNames.contains(p.packageName)) { 7100 collectedNames.add(p.packageName); 7101 collected.add(p); 7102 7103 if (p.usesLibraries != null) { 7104 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7105 } 7106 if (p.usesOptionalLibraries != null) { 7107 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7108 collectedNames); 7109 } 7110 } 7111 } 7112 7113 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7114 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7115 for (String libName : libs) { 7116 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7117 if (libPkg != null) { 7118 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7119 } 7120 } 7121 } 7122 7123 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7124 synchronized (mPackages) { 7125 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7126 if (lib != null && lib.apk != null) { 7127 return mPackages.get(lib.apk); 7128 } 7129 } 7130 return null; 7131 } 7132 7133 public void shutdown() { 7134 mPackageUsage.write(true); 7135 } 7136 7137 @Override 7138 public void forceDexOpt(String packageName) { 7139 enforceSystemOrRoot("forceDexOpt"); 7140 7141 PackageParser.Package pkg; 7142 synchronized (mPackages) { 7143 pkg = mPackages.get(packageName); 7144 if (pkg == null) { 7145 throw new IllegalArgumentException("Unknown package: " + packageName); 7146 } 7147 } 7148 7149 synchronized (mInstallLock) { 7150 final String[] instructionSets = new String[] { 7151 getPrimaryInstructionSet(pkg.applicationInfo) }; 7152 7153 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7154 7155 // Whoever is calling forceDexOpt wants a fully compiled package. 7156 // Don't use profiles since that may cause compilation to be skipped. 7157 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7158 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7159 true /* force */); 7160 7161 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7162 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7163 throw new IllegalStateException("Failed to dexopt: " + res); 7164 } 7165 } 7166 } 7167 7168 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7169 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7170 Slog.w(TAG, "Unable to update from " + oldPkg.name 7171 + " to " + newPkg.packageName 7172 + ": old package not in system partition"); 7173 return false; 7174 } else if (mPackages.get(oldPkg.name) != null) { 7175 Slog.w(TAG, "Unable to update from " + oldPkg.name 7176 + " to " + newPkg.packageName 7177 + ": old package still exists"); 7178 return false; 7179 } 7180 return true; 7181 } 7182 7183 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7184 // TODO: triage flags as part of 26466827 7185 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7186 7187 boolean res = true; 7188 final int[] users = sUserManager.getUserIds(); 7189 for (int user : users) { 7190 try { 7191 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7192 } catch (InstallerException e) { 7193 Slog.w(TAG, "Failed to delete data directory", e); 7194 res = false; 7195 } 7196 } 7197 return res; 7198 } 7199 7200 void removeCodePathLI(File codePath) { 7201 if (codePath.isDirectory()) { 7202 try { 7203 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7204 } catch (InstallerException e) { 7205 Slog.w(TAG, "Failed to remove code path", e); 7206 } 7207 } else { 7208 codePath.delete(); 7209 } 7210 } 7211 7212 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7213 try { 7214 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7215 } catch (InstallerException e) { 7216 Slog.w(TAG, "Failed to destroy app data", e); 7217 } 7218 } 7219 7220 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7221 int appId, String seinfo) { 7222 try { 7223 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7224 } catch (InstallerException e) { 7225 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7226 } 7227 } 7228 7229 private void deleteProfilesLI(String packageName, boolean destroy) { 7230 final PackageParser.Package pkg; 7231 synchronized (mPackages) { 7232 pkg = mPackages.get(packageName); 7233 } 7234 if (pkg == null) { 7235 Slog.w(TAG, "Failed to delete profiles. No package: " + packageName); 7236 return; 7237 } 7238 deleteProfilesLI(pkg, destroy); 7239 } 7240 7241 private void deleteProfilesLI(PackageParser.Package pkg, boolean destroy) { 7242 try { 7243 if (destroy) { 7244 mInstaller.clearAppProfiles(pkg.packageName); 7245 } else { 7246 mInstaller.destroyAppProfiles(pkg.packageName); 7247 } 7248 } catch (InstallerException ex) { 7249 Log.e(TAG, "Could not delete profiles for package " + pkg.packageName); 7250 } 7251 } 7252 7253 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7254 final PackageParser.Package pkg; 7255 synchronized (mPackages) { 7256 pkg = mPackages.get(packageName); 7257 } 7258 if (pkg == null) { 7259 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7260 return; 7261 } 7262 deleteCodeCacheDirsLI(pkg); 7263 } 7264 7265 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7266 // TODO: triage flags as part of 26466827 7267 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7268 7269 int[] users = sUserManager.getUserIds(); 7270 int res = 0; 7271 for (int user : users) { 7272 // Remove the parent code cache 7273 try { 7274 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7275 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7276 } catch (InstallerException e) { 7277 Slog.w(TAG, "Failed to delete code cache directory", e); 7278 } 7279 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7280 for (int i = 0; i < childCount; i++) { 7281 PackageParser.Package childPkg = pkg.childPackages.get(i); 7282 // Remove the child code cache 7283 try { 7284 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7285 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7286 } catch (InstallerException e) { 7287 Slog.w(TAG, "Failed to delete code cache directory", e); 7288 } 7289 } 7290 } 7291 } 7292 7293 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7294 long lastUpdateTime) { 7295 // Set parent install/update time 7296 PackageSetting ps = (PackageSetting) pkg.mExtras; 7297 if (ps != null) { 7298 ps.firstInstallTime = firstInstallTime; 7299 ps.lastUpdateTime = lastUpdateTime; 7300 } 7301 // Set children install/update time 7302 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7303 for (int i = 0; i < childCount; i++) { 7304 PackageParser.Package childPkg = pkg.childPackages.get(i); 7305 ps = (PackageSetting) childPkg.mExtras; 7306 if (ps != null) { 7307 ps.firstInstallTime = firstInstallTime; 7308 ps.lastUpdateTime = lastUpdateTime; 7309 } 7310 } 7311 } 7312 7313 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7314 PackageParser.Package changingLib) { 7315 if (file.path != null) { 7316 usesLibraryFiles.add(file.path); 7317 return; 7318 } 7319 PackageParser.Package p = mPackages.get(file.apk); 7320 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7321 // If we are doing this while in the middle of updating a library apk, 7322 // then we need to make sure to use that new apk for determining the 7323 // dependencies here. (We haven't yet finished committing the new apk 7324 // to the package manager state.) 7325 if (p == null || p.packageName.equals(changingLib.packageName)) { 7326 p = changingLib; 7327 } 7328 } 7329 if (p != null) { 7330 usesLibraryFiles.addAll(p.getAllCodePaths()); 7331 } 7332 } 7333 7334 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7335 PackageParser.Package changingLib) throws PackageManagerException { 7336 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7337 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7338 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7339 for (int i=0; i<N; i++) { 7340 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7341 if (file == null) { 7342 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7343 "Package " + pkg.packageName + " requires unavailable shared library " 7344 + pkg.usesLibraries.get(i) + "; failing!"); 7345 } 7346 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7347 } 7348 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7349 for (int i=0; i<N; i++) { 7350 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7351 if (file == null) { 7352 Slog.w(TAG, "Package " + pkg.packageName 7353 + " desires unavailable shared library " 7354 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7355 } else { 7356 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7357 } 7358 } 7359 N = usesLibraryFiles.size(); 7360 if (N > 0) { 7361 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7362 } else { 7363 pkg.usesLibraryFiles = null; 7364 } 7365 } 7366 } 7367 7368 private static boolean hasString(List<String> list, List<String> which) { 7369 if (list == null) { 7370 return false; 7371 } 7372 for (int i=list.size()-1; i>=0; i--) { 7373 for (int j=which.size()-1; j>=0; j--) { 7374 if (which.get(j).equals(list.get(i))) { 7375 return true; 7376 } 7377 } 7378 } 7379 return false; 7380 } 7381 7382 private void updateAllSharedLibrariesLPw() { 7383 for (PackageParser.Package pkg : mPackages.values()) { 7384 try { 7385 updateSharedLibrariesLPw(pkg, null); 7386 } catch (PackageManagerException e) { 7387 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7388 } 7389 } 7390 } 7391 7392 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7393 PackageParser.Package changingPkg) { 7394 ArrayList<PackageParser.Package> res = null; 7395 for (PackageParser.Package pkg : mPackages.values()) { 7396 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7397 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7398 if (res == null) { 7399 res = new ArrayList<PackageParser.Package>(); 7400 } 7401 res.add(pkg); 7402 try { 7403 updateSharedLibrariesLPw(pkg, changingPkg); 7404 } catch (PackageManagerException e) { 7405 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7406 } 7407 } 7408 } 7409 return res; 7410 } 7411 7412 /** 7413 * Derive the value of the {@code cpuAbiOverride} based on the provided 7414 * value and an optional stored value from the package settings. 7415 */ 7416 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7417 String cpuAbiOverride = null; 7418 7419 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7420 cpuAbiOverride = null; 7421 } else if (abiOverride != null) { 7422 cpuAbiOverride = abiOverride; 7423 } else if (settings != null) { 7424 cpuAbiOverride = settings.cpuAbiOverrideString; 7425 } 7426 7427 return cpuAbiOverride; 7428 } 7429 7430 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7431 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7432 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7433 // If the package has children and this is the first dive in the function 7434 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7435 // whether all packages (parent and children) would be successfully scanned 7436 // before the actual scan since scanning mutates internal state and we want 7437 // to atomically install the package and its children. 7438 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7439 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7440 scanFlags |= SCAN_CHECK_ONLY; 7441 } 7442 } else { 7443 scanFlags &= ~SCAN_CHECK_ONLY; 7444 } 7445 7446 final PackageParser.Package scannedPkg; 7447 try { 7448 // Scan the parent 7449 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7450 // Scan the children 7451 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7452 for (int i = 0; i < childCount; i++) { 7453 PackageParser.Package childPkg = pkg.childPackages.get(i); 7454 scanPackageLI(childPkg, parseFlags, 7455 scanFlags, currentTime, user); 7456 } 7457 } finally { 7458 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7459 } 7460 7461 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7462 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7463 } 7464 7465 return scannedPkg; 7466 } 7467 7468 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7469 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7470 boolean success = false; 7471 try { 7472 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7473 currentTime, user); 7474 success = true; 7475 return res; 7476 } finally { 7477 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7478 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7479 } 7480 } 7481 } 7482 7483 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7484 int scanFlags, long currentTime, UserHandle user) 7485 throws PackageManagerException { 7486 final File scanFile = new File(pkg.codePath); 7487 if (pkg.applicationInfo.getCodePath() == null || 7488 pkg.applicationInfo.getResourcePath() == null) { 7489 // Bail out. The resource and code paths haven't been set. 7490 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7491 "Code and resource paths haven't been set correctly"); 7492 } 7493 7494 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7495 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7496 } else { 7497 // Only allow system apps to be flagged as core apps. 7498 pkg.coreApp = false; 7499 } 7500 7501 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7502 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7503 } 7504 7505 if (mCustomResolverComponentName != null && 7506 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7507 setUpCustomResolverActivity(pkg); 7508 } 7509 7510 if (pkg.packageName.equals("android")) { 7511 synchronized (mPackages) { 7512 if (mAndroidApplication != null) { 7513 Slog.w(TAG, "*************************************************"); 7514 Slog.w(TAG, "Core android package being redefined. Skipping."); 7515 Slog.w(TAG, " file=" + scanFile); 7516 Slog.w(TAG, "*************************************************"); 7517 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7518 "Core android package being redefined. Skipping."); 7519 } 7520 7521 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7522 // Set up information for our fall-back user intent resolution activity. 7523 mPlatformPackage = pkg; 7524 pkg.mVersionCode = mSdkVersion; 7525 mAndroidApplication = pkg.applicationInfo; 7526 7527 if (!mResolverReplaced) { 7528 mResolveActivity.applicationInfo = mAndroidApplication; 7529 mResolveActivity.name = ResolverActivity.class.getName(); 7530 mResolveActivity.packageName = mAndroidApplication.packageName; 7531 mResolveActivity.processName = "system:ui"; 7532 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7533 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7534 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7535 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7536 mResolveActivity.exported = true; 7537 mResolveActivity.enabled = true; 7538 mResolveInfo.activityInfo = mResolveActivity; 7539 mResolveInfo.priority = 0; 7540 mResolveInfo.preferredOrder = 0; 7541 mResolveInfo.match = 0; 7542 mResolveComponentName = new ComponentName( 7543 mAndroidApplication.packageName, mResolveActivity.name); 7544 } 7545 } 7546 } 7547 } 7548 7549 if (DEBUG_PACKAGE_SCANNING) { 7550 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7551 Log.d(TAG, "Scanning package " + pkg.packageName); 7552 } 7553 7554 synchronized (mPackages) { 7555 if (mPackages.containsKey(pkg.packageName) 7556 || mSharedLibraries.containsKey(pkg.packageName)) { 7557 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7558 "Application package " + pkg.packageName 7559 + " already installed. Skipping duplicate."); 7560 } 7561 7562 // If we're only installing presumed-existing packages, require that the 7563 // scanned APK is both already known and at the path previously established 7564 // for it. Previously unknown packages we pick up normally, but if we have an 7565 // a priori expectation about this package's install presence, enforce it. 7566 // With a singular exception for new system packages. When an OTA contains 7567 // a new system package, we allow the codepath to change from a system location 7568 // to the user-installed location. If we don't allow this change, any newer, 7569 // user-installed version of the application will be ignored. 7570 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7571 if (mExpectingBetter.containsKey(pkg.packageName)) { 7572 logCriticalInfo(Log.WARN, 7573 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7574 } else { 7575 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7576 if (known != null) { 7577 if (DEBUG_PACKAGE_SCANNING) { 7578 Log.d(TAG, "Examining " + pkg.codePath 7579 + " and requiring known paths " + known.codePathString 7580 + " & " + known.resourcePathString); 7581 } 7582 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7583 || !pkg.applicationInfo.getResourcePath().equals( 7584 known.resourcePathString)) { 7585 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7586 "Application package " + pkg.packageName 7587 + " found at " + pkg.applicationInfo.getCodePath() 7588 + " but expected at " + known.codePathString 7589 + "; ignoring."); 7590 } 7591 } 7592 } 7593 } 7594 } 7595 7596 // Initialize package source and resource directories 7597 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7598 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7599 7600 SharedUserSetting suid = null; 7601 PackageSetting pkgSetting = null; 7602 7603 if (!isSystemApp(pkg)) { 7604 // Only system apps can use these features. 7605 pkg.mOriginalPackages = null; 7606 pkg.mRealPackage = null; 7607 pkg.mAdoptPermissions = null; 7608 } 7609 7610 // Getting the package setting may have a side-effect, so if we 7611 // are only checking if scan would succeed, stash a copy of the 7612 // old setting to restore at the end. 7613 PackageSetting nonMutatedPs = null; 7614 7615 // writer 7616 synchronized (mPackages) { 7617 if (pkg.mSharedUserId != null) { 7618 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7619 if (suid == null) { 7620 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7621 "Creating application package " + pkg.packageName 7622 + " for shared user failed"); 7623 } 7624 if (DEBUG_PACKAGE_SCANNING) { 7625 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7626 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7627 + "): packages=" + suid.packages); 7628 } 7629 } 7630 7631 // Check if we are renaming from an original package name. 7632 PackageSetting origPackage = null; 7633 String realName = null; 7634 if (pkg.mOriginalPackages != null) { 7635 // This package may need to be renamed to a previously 7636 // installed name. Let's check on that... 7637 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7638 if (pkg.mOriginalPackages.contains(renamed)) { 7639 // This package had originally been installed as the 7640 // original name, and we have already taken care of 7641 // transitioning to the new one. Just update the new 7642 // one to continue using the old name. 7643 realName = pkg.mRealPackage; 7644 if (!pkg.packageName.equals(renamed)) { 7645 // Callers into this function may have already taken 7646 // care of renaming the package; only do it here if 7647 // it is not already done. 7648 pkg.setPackageName(renamed); 7649 } 7650 7651 } else { 7652 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7653 if ((origPackage = mSettings.peekPackageLPr( 7654 pkg.mOriginalPackages.get(i))) != null) { 7655 // We do have the package already installed under its 7656 // original name... should we use it? 7657 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7658 // New package is not compatible with original. 7659 origPackage = null; 7660 continue; 7661 } else if (origPackage.sharedUser != null) { 7662 // Make sure uid is compatible between packages. 7663 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7664 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7665 + " to " + pkg.packageName + ": old uid " 7666 + origPackage.sharedUser.name 7667 + " differs from " + pkg.mSharedUserId); 7668 origPackage = null; 7669 continue; 7670 } 7671 } else { 7672 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7673 + pkg.packageName + " to old name " + origPackage.name); 7674 } 7675 break; 7676 } 7677 } 7678 } 7679 } 7680 7681 if (mTransferedPackages.contains(pkg.packageName)) { 7682 Slog.w(TAG, "Package " + pkg.packageName 7683 + " was transferred to another, but its .apk remains"); 7684 } 7685 7686 // See comments in nonMutatedPs declaration 7687 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7688 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7689 if (foundPs != null) { 7690 nonMutatedPs = new PackageSetting(foundPs); 7691 } 7692 } 7693 7694 // Just create the setting, don't add it yet. For already existing packages 7695 // the PkgSetting exists already and doesn't have to be created. 7696 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7697 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7698 pkg.applicationInfo.primaryCpuAbi, 7699 pkg.applicationInfo.secondaryCpuAbi, 7700 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7701 user, false); 7702 if (pkgSetting == null) { 7703 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7704 "Creating application package " + pkg.packageName + " failed"); 7705 } 7706 7707 if (pkgSetting.origPackage != null) { 7708 // If we are first transitioning from an original package, 7709 // fix up the new package's name now. We need to do this after 7710 // looking up the package under its new name, so getPackageLP 7711 // can take care of fiddling things correctly. 7712 pkg.setPackageName(origPackage.name); 7713 7714 // File a report about this. 7715 String msg = "New package " + pkgSetting.realName 7716 + " renamed to replace old package " + pkgSetting.name; 7717 reportSettingsProblem(Log.WARN, msg); 7718 7719 // Make a note of it. 7720 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7721 mTransferedPackages.add(origPackage.name); 7722 } 7723 7724 // No longer need to retain this. 7725 pkgSetting.origPackage = null; 7726 } 7727 7728 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7729 // Make a note of it. 7730 mTransferedPackages.add(pkg.packageName); 7731 } 7732 7733 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7734 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7735 } 7736 7737 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7738 // Check all shared libraries and map to their actual file path. 7739 // We only do this here for apps not on a system dir, because those 7740 // are the only ones that can fail an install due to this. We 7741 // will take care of the system apps by updating all of their 7742 // library paths after the scan is done. 7743 updateSharedLibrariesLPw(pkg, null); 7744 } 7745 7746 if (mFoundPolicyFile) { 7747 SELinuxMMAC.assignSeinfoValue(pkg); 7748 } 7749 7750 pkg.applicationInfo.uid = pkgSetting.appId; 7751 pkg.mExtras = pkgSetting; 7752 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7753 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7754 // We just determined the app is signed correctly, so bring 7755 // over the latest parsed certs. 7756 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7757 } else { 7758 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7759 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7760 "Package " + pkg.packageName + " upgrade keys do not match the " 7761 + "previously installed version"); 7762 } else { 7763 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7764 String msg = "System package " + pkg.packageName 7765 + " signature changed; retaining data."; 7766 reportSettingsProblem(Log.WARN, msg); 7767 } 7768 } 7769 } else { 7770 try { 7771 verifySignaturesLP(pkgSetting, pkg); 7772 // We just determined the app is signed correctly, so bring 7773 // over the latest parsed certs. 7774 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7775 } catch (PackageManagerException e) { 7776 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7777 throw e; 7778 } 7779 // The signature has changed, but this package is in the system 7780 // image... let's recover! 7781 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7782 // However... if this package is part of a shared user, but it 7783 // doesn't match the signature of the shared user, let's fail. 7784 // What this means is that you can't change the signatures 7785 // associated with an overall shared user, which doesn't seem all 7786 // that unreasonable. 7787 if (pkgSetting.sharedUser != null) { 7788 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7789 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7790 throw new PackageManagerException( 7791 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7792 "Signature mismatch for shared user: " 7793 + pkgSetting.sharedUser); 7794 } 7795 } 7796 // File a report about this. 7797 String msg = "System package " + pkg.packageName 7798 + " signature changed; retaining data."; 7799 reportSettingsProblem(Log.WARN, msg); 7800 } 7801 } 7802 // Verify that this new package doesn't have any content providers 7803 // that conflict with existing packages. Only do this if the 7804 // package isn't already installed, since we don't want to break 7805 // things that are installed. 7806 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7807 final int N = pkg.providers.size(); 7808 int i; 7809 for (i=0; i<N; i++) { 7810 PackageParser.Provider p = pkg.providers.get(i); 7811 if (p.info.authority != null) { 7812 String names[] = p.info.authority.split(";"); 7813 for (int j = 0; j < names.length; j++) { 7814 if (mProvidersByAuthority.containsKey(names[j])) { 7815 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7816 final String otherPackageName = 7817 ((other != null && other.getComponentName() != null) ? 7818 other.getComponentName().getPackageName() : "?"); 7819 throw new PackageManagerException( 7820 INSTALL_FAILED_CONFLICTING_PROVIDER, 7821 "Can't install because provider name " + names[j] 7822 + " (in package " + pkg.applicationInfo.packageName 7823 + ") is already used by " + otherPackageName); 7824 } 7825 } 7826 } 7827 } 7828 } 7829 7830 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7831 // This package wants to adopt ownership of permissions from 7832 // another package. 7833 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7834 final String origName = pkg.mAdoptPermissions.get(i); 7835 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7836 if (orig != null) { 7837 if (verifyPackageUpdateLPr(orig, pkg)) { 7838 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7839 + pkg.packageName); 7840 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7841 } 7842 } 7843 } 7844 } 7845 } 7846 7847 final String pkgName = pkg.packageName; 7848 7849 final long scanFileTime = scanFile.lastModified(); 7850 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7851 pkg.applicationInfo.processName = fixProcessName( 7852 pkg.applicationInfo.packageName, 7853 pkg.applicationInfo.processName, 7854 pkg.applicationInfo.uid); 7855 7856 if (pkg != mPlatformPackage) { 7857 // Get all of our default paths setup 7858 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7859 } 7860 7861 final String path = scanFile.getPath(); 7862 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7863 7864 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7865 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7866 7867 // Some system apps still use directory structure for native libraries 7868 // in which case we might end up not detecting abi solely based on apk 7869 // structure. Try to detect abi based on directory structure. 7870 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7871 pkg.applicationInfo.primaryCpuAbi == null) { 7872 setBundledAppAbisAndRoots(pkg, pkgSetting); 7873 setNativeLibraryPaths(pkg); 7874 } 7875 7876 } else { 7877 if ((scanFlags & SCAN_MOVE) != 0) { 7878 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7879 // but we already have this packages package info in the PackageSetting. We just 7880 // use that and derive the native library path based on the new codepath. 7881 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7882 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7883 } 7884 7885 // Set native library paths again. For moves, the path will be updated based on the 7886 // ABIs we've determined above. For non-moves, the path will be updated based on the 7887 // ABIs we determined during compilation, but the path will depend on the final 7888 // package path (after the rename away from the stage path). 7889 setNativeLibraryPaths(pkg); 7890 } 7891 7892 // This is a special case for the "system" package, where the ABI is 7893 // dictated by the zygote configuration (and init.rc). We should keep track 7894 // of this ABI so that we can deal with "normal" applications that run under 7895 // the same UID correctly. 7896 if (mPlatformPackage == pkg) { 7897 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7898 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7899 } 7900 7901 // If there's a mismatch between the abi-override in the package setting 7902 // and the abiOverride specified for the install. Warn about this because we 7903 // would've already compiled the app without taking the package setting into 7904 // account. 7905 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7906 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7907 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7908 " for package " + pkg.packageName); 7909 } 7910 } 7911 7912 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7913 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7914 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7915 7916 // Copy the derived override back to the parsed package, so that we can 7917 // update the package settings accordingly. 7918 pkg.cpuAbiOverride = cpuAbiOverride; 7919 7920 if (DEBUG_ABI_SELECTION) { 7921 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7922 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7923 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7924 } 7925 7926 // Push the derived path down into PackageSettings so we know what to 7927 // clean up at uninstall time. 7928 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7929 7930 if (DEBUG_ABI_SELECTION) { 7931 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7932 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7933 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7934 } 7935 7936 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7937 // We don't do this here during boot because we can do it all 7938 // at once after scanning all existing packages. 7939 // 7940 // We also do this *before* we perform dexopt on this package, so that 7941 // we can avoid redundant dexopts, and also to make sure we've got the 7942 // code and package path correct. 7943 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7944 pkg, true /* boot complete */); 7945 } 7946 7947 if (mFactoryTest && pkg.requestedPermissions.contains( 7948 android.Manifest.permission.FACTORY_TEST)) { 7949 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7950 } 7951 7952 ArrayList<PackageParser.Package> clientLibPkgs = null; 7953 7954 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7955 if (nonMutatedPs != null) { 7956 synchronized (mPackages) { 7957 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 7958 } 7959 } 7960 return pkg; 7961 } 7962 7963 // Only privileged apps and updated privileged apps can add child packages. 7964 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 7965 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 7966 throw new PackageManagerException("Only privileged apps and updated " 7967 + "privileged apps can add child packages. Ignoring package " 7968 + pkg.packageName); 7969 } 7970 final int childCount = pkg.childPackages.size(); 7971 for (int i = 0; i < childCount; i++) { 7972 PackageParser.Package childPkg = pkg.childPackages.get(i); 7973 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 7974 childPkg.packageName)) { 7975 throw new PackageManagerException("Cannot override a child package of " 7976 + "another disabled system app. Ignoring package " + pkg.packageName); 7977 } 7978 } 7979 } 7980 7981 // writer 7982 synchronized (mPackages) { 7983 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7984 // Only system apps can add new shared libraries. 7985 if (pkg.libraryNames != null) { 7986 for (int i=0; i<pkg.libraryNames.size(); i++) { 7987 String name = pkg.libraryNames.get(i); 7988 boolean allowed = false; 7989 if (pkg.isUpdatedSystemApp()) { 7990 // New library entries can only be added through the 7991 // system image. This is important to get rid of a lot 7992 // of nasty edge cases: for example if we allowed a non- 7993 // system update of the app to add a library, then uninstalling 7994 // the update would make the library go away, and assumptions 7995 // we made such as through app install filtering would now 7996 // have allowed apps on the device which aren't compatible 7997 // with it. Better to just have the restriction here, be 7998 // conservative, and create many fewer cases that can negatively 7999 // impact the user experience. 8000 final PackageSetting sysPs = mSettings 8001 .getDisabledSystemPkgLPr(pkg.packageName); 8002 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8003 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8004 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8005 allowed = true; 8006 break; 8007 } 8008 } 8009 } 8010 } else { 8011 allowed = true; 8012 } 8013 if (allowed) { 8014 if (!mSharedLibraries.containsKey(name)) { 8015 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8016 } else if (!name.equals(pkg.packageName)) { 8017 Slog.w(TAG, "Package " + pkg.packageName + " library " 8018 + name + " already exists; skipping"); 8019 } 8020 } else { 8021 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8022 + name + " that is not declared on system image; skipping"); 8023 } 8024 } 8025 if ((scanFlags & SCAN_BOOTING) == 0) { 8026 // If we are not booting, we need to update any applications 8027 // that are clients of our shared library. If we are booting, 8028 // this will all be done once the scan is complete. 8029 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8030 } 8031 } 8032 } 8033 } 8034 8035 // Request the ActivityManager to kill the process(only for existing packages) 8036 // so that we do not end up in a confused state while the user is still using the older 8037 // version of the application while the new one gets installed. 8038 final boolean isReplacing = (scanFlags & SCAN_REPLACING) != 0; 8039 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 8040 if (killApp) { 8041 if (isReplacing) { 8042 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 8043 8044 killApplication(pkg.applicationInfo.packageName, 8045 pkg.applicationInfo.uid, "replace pkg"); 8046 8047 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8048 } 8049 } 8050 8051 // Also need to kill any apps that are dependent on the library. 8052 if (clientLibPkgs != null) { 8053 for (int i=0; i<clientLibPkgs.size(); i++) { 8054 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8055 killApplication(clientPkg.applicationInfo.packageName, 8056 clientPkg.applicationInfo.uid, "update lib"); 8057 } 8058 } 8059 8060 // Make sure we're not adding any bogus keyset info 8061 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8062 ksms.assertScannedPackageValid(pkg); 8063 8064 // writer 8065 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8066 8067 boolean createIdmapFailed = false; 8068 synchronized (mPackages) { 8069 // We don't expect installation to fail beyond this point 8070 8071 // Add the new setting to mSettings 8072 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8073 // Add the new setting to mPackages 8074 mPackages.put(pkg.applicationInfo.packageName, pkg); 8075 // Make sure we don't accidentally delete its data. 8076 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8077 while (iter.hasNext()) { 8078 PackageCleanItem item = iter.next(); 8079 if (pkgName.equals(item.packageName)) { 8080 iter.remove(); 8081 } 8082 } 8083 8084 // Take care of first install / last update times. 8085 if (currentTime != 0) { 8086 if (pkgSetting.firstInstallTime == 0) { 8087 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8088 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8089 pkgSetting.lastUpdateTime = currentTime; 8090 } 8091 } else if (pkgSetting.firstInstallTime == 0) { 8092 // We need *something*. Take time time stamp of the file. 8093 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8094 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8095 if (scanFileTime != pkgSetting.timeStamp) { 8096 // A package on the system image has changed; consider this 8097 // to be an update. 8098 pkgSetting.lastUpdateTime = scanFileTime; 8099 } 8100 } 8101 8102 // Add the package's KeySets to the global KeySetManagerService 8103 ksms.addScannedPackageLPw(pkg); 8104 8105 int N = pkg.providers.size(); 8106 StringBuilder r = null; 8107 int i; 8108 for (i=0; i<N; i++) { 8109 PackageParser.Provider p = pkg.providers.get(i); 8110 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8111 p.info.processName, pkg.applicationInfo.uid); 8112 mProviders.addProvider(p); 8113 p.syncable = p.info.isSyncable; 8114 if (p.info.authority != null) { 8115 String names[] = p.info.authority.split(";"); 8116 p.info.authority = null; 8117 for (int j = 0; j < names.length; j++) { 8118 if (j == 1 && p.syncable) { 8119 // We only want the first authority for a provider to possibly be 8120 // syncable, so if we already added this provider using a different 8121 // authority clear the syncable flag. We copy the provider before 8122 // changing it because the mProviders object contains a reference 8123 // to a provider that we don't want to change. 8124 // Only do this for the second authority since the resulting provider 8125 // object can be the same for all future authorities for this provider. 8126 p = new PackageParser.Provider(p); 8127 p.syncable = false; 8128 } 8129 if (!mProvidersByAuthority.containsKey(names[j])) { 8130 mProvidersByAuthority.put(names[j], p); 8131 if (p.info.authority == null) { 8132 p.info.authority = names[j]; 8133 } else { 8134 p.info.authority = p.info.authority + ";" + names[j]; 8135 } 8136 if (DEBUG_PACKAGE_SCANNING) { 8137 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 8138 Log.d(TAG, "Registered content provider: " + names[j] 8139 + ", className = " + p.info.name + ", isSyncable = " 8140 + p.info.isSyncable); 8141 } 8142 } else { 8143 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8144 Slog.w(TAG, "Skipping provider name " + names[j] + 8145 " (in package " + pkg.applicationInfo.packageName + 8146 "): name already used by " 8147 + ((other != null && other.getComponentName() != null) 8148 ? other.getComponentName().getPackageName() : "?")); 8149 } 8150 } 8151 } 8152 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8153 if (r == null) { 8154 r = new StringBuilder(256); 8155 } else { 8156 r.append(' '); 8157 } 8158 r.append(p.info.name); 8159 } 8160 } 8161 if (r != null) { 8162 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8163 } 8164 8165 N = pkg.services.size(); 8166 r = null; 8167 for (i=0; i<N; i++) { 8168 PackageParser.Service s = pkg.services.get(i); 8169 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8170 s.info.processName, pkg.applicationInfo.uid); 8171 mServices.addService(s); 8172 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8173 if (r == null) { 8174 r = new StringBuilder(256); 8175 } else { 8176 r.append(' '); 8177 } 8178 r.append(s.info.name); 8179 } 8180 } 8181 if (r != null) { 8182 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8183 } 8184 8185 N = pkg.receivers.size(); 8186 r = null; 8187 for (i=0; i<N; i++) { 8188 PackageParser.Activity a = pkg.receivers.get(i); 8189 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8190 a.info.processName, pkg.applicationInfo.uid); 8191 mReceivers.addActivity(a, "receiver"); 8192 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8193 if (r == null) { 8194 r = new StringBuilder(256); 8195 } else { 8196 r.append(' '); 8197 } 8198 r.append(a.info.name); 8199 } 8200 } 8201 if (r != null) { 8202 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8203 } 8204 8205 N = pkg.activities.size(); 8206 r = null; 8207 for (i=0; i<N; i++) { 8208 PackageParser.Activity a = pkg.activities.get(i); 8209 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8210 a.info.processName, pkg.applicationInfo.uid); 8211 mActivities.addActivity(a, "activity"); 8212 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8213 if (r == null) { 8214 r = new StringBuilder(256); 8215 } else { 8216 r.append(' '); 8217 } 8218 r.append(a.info.name); 8219 } 8220 } 8221 if (r != null) { 8222 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8223 } 8224 8225 N = pkg.permissionGroups.size(); 8226 r = null; 8227 for (i=0; i<N; i++) { 8228 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8229 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8230 if (cur == null) { 8231 mPermissionGroups.put(pg.info.name, pg); 8232 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8233 if (r == null) { 8234 r = new StringBuilder(256); 8235 } else { 8236 r.append(' '); 8237 } 8238 r.append(pg.info.name); 8239 } 8240 } else { 8241 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8242 + pg.info.packageName + " ignored: original from " 8243 + cur.info.packageName); 8244 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8245 if (r == null) { 8246 r = new StringBuilder(256); 8247 } else { 8248 r.append(' '); 8249 } 8250 r.append("DUP:"); 8251 r.append(pg.info.name); 8252 } 8253 } 8254 } 8255 if (r != null) { 8256 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8257 } 8258 8259 N = pkg.permissions.size(); 8260 r = null; 8261 for (i=0; i<N; i++) { 8262 PackageParser.Permission p = pkg.permissions.get(i); 8263 8264 // Assume by default that we did not install this permission into the system. 8265 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8266 8267 // Now that permission groups have a special meaning, we ignore permission 8268 // groups for legacy apps to prevent unexpected behavior. In particular, 8269 // permissions for one app being granted to someone just becase they happen 8270 // to be in a group defined by another app (before this had no implications). 8271 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8272 p.group = mPermissionGroups.get(p.info.group); 8273 // Warn for a permission in an unknown group. 8274 if (p.info.group != null && p.group == null) { 8275 Slog.w(TAG, "Permission " + p.info.name + " from package " 8276 + p.info.packageName + " in an unknown group " + p.info.group); 8277 } 8278 } 8279 8280 ArrayMap<String, BasePermission> permissionMap = 8281 p.tree ? mSettings.mPermissionTrees 8282 : mSettings.mPermissions; 8283 BasePermission bp = permissionMap.get(p.info.name); 8284 8285 // Allow system apps to redefine non-system permissions 8286 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8287 final boolean currentOwnerIsSystem = (bp.perm != null 8288 && isSystemApp(bp.perm.owner)); 8289 if (isSystemApp(p.owner)) { 8290 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8291 // It's a built-in permission and no owner, take ownership now 8292 bp.packageSetting = pkgSetting; 8293 bp.perm = p; 8294 bp.uid = pkg.applicationInfo.uid; 8295 bp.sourcePackage = p.info.packageName; 8296 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8297 } else if (!currentOwnerIsSystem) { 8298 String msg = "New decl " + p.owner + " of permission " 8299 + p.info.name + " is system; overriding " + bp.sourcePackage; 8300 reportSettingsProblem(Log.WARN, msg); 8301 bp = null; 8302 } 8303 } 8304 } 8305 8306 if (bp == null) { 8307 bp = new BasePermission(p.info.name, p.info.packageName, 8308 BasePermission.TYPE_NORMAL); 8309 permissionMap.put(p.info.name, bp); 8310 } 8311 8312 if (bp.perm == null) { 8313 if (bp.sourcePackage == null 8314 || bp.sourcePackage.equals(p.info.packageName)) { 8315 BasePermission tree = findPermissionTreeLP(p.info.name); 8316 if (tree == null 8317 || tree.sourcePackage.equals(p.info.packageName)) { 8318 bp.packageSetting = pkgSetting; 8319 bp.perm = p; 8320 bp.uid = pkg.applicationInfo.uid; 8321 bp.sourcePackage = p.info.packageName; 8322 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8323 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8324 if (r == null) { 8325 r = new StringBuilder(256); 8326 } else { 8327 r.append(' '); 8328 } 8329 r.append(p.info.name); 8330 } 8331 } else { 8332 Slog.w(TAG, "Permission " + p.info.name + " from package " 8333 + p.info.packageName + " ignored: base tree " 8334 + tree.name + " is from package " 8335 + tree.sourcePackage); 8336 } 8337 } else { 8338 Slog.w(TAG, "Permission " + p.info.name + " from package " 8339 + p.info.packageName + " ignored: original from " 8340 + bp.sourcePackage); 8341 } 8342 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8343 if (r == null) { 8344 r = new StringBuilder(256); 8345 } else { 8346 r.append(' '); 8347 } 8348 r.append("DUP:"); 8349 r.append(p.info.name); 8350 } 8351 if (bp.perm == p) { 8352 bp.protectionLevel = p.info.protectionLevel; 8353 } 8354 } 8355 8356 if (r != null) { 8357 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8358 } 8359 8360 N = pkg.instrumentation.size(); 8361 r = null; 8362 for (i=0; i<N; i++) { 8363 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8364 a.info.packageName = pkg.applicationInfo.packageName; 8365 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8366 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8367 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8368 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8369 a.info.dataDir = pkg.applicationInfo.dataDir; 8370 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8371 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8372 8373 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8374 // need other information about the application, like the ABI and what not ? 8375 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8376 mInstrumentation.put(a.getComponentName(), a); 8377 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8378 if (r == null) { 8379 r = new StringBuilder(256); 8380 } else { 8381 r.append(' '); 8382 } 8383 r.append(a.info.name); 8384 } 8385 } 8386 if (r != null) { 8387 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8388 } 8389 8390 if (pkg.protectedBroadcasts != null) { 8391 N = pkg.protectedBroadcasts.size(); 8392 for (i=0; i<N; i++) { 8393 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8394 } 8395 } 8396 8397 pkgSetting.setTimeStamp(scanFileTime); 8398 8399 // Create idmap files for pairs of (packages, overlay packages). 8400 // Note: "android", ie framework-res.apk, is handled by native layers. 8401 if (pkg.mOverlayTarget != null) { 8402 // This is an overlay package. 8403 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8404 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8405 mOverlays.put(pkg.mOverlayTarget, 8406 new ArrayMap<String, PackageParser.Package>()); 8407 } 8408 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8409 map.put(pkg.packageName, pkg); 8410 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8411 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8412 createIdmapFailed = true; 8413 } 8414 } 8415 } else if (mOverlays.containsKey(pkg.packageName) && 8416 !pkg.packageName.equals("android")) { 8417 // This is a regular package, with one or more known overlay packages. 8418 createIdmapsForPackageLI(pkg); 8419 } 8420 } 8421 8422 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8423 8424 if (createIdmapFailed) { 8425 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8426 "scanPackageLI failed to createIdmap"); 8427 } 8428 return pkg; 8429 } 8430 8431 /** 8432 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8433 * is derived purely on the basis of the contents of {@code scanFile} and 8434 * {@code cpuAbiOverride}. 8435 * 8436 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8437 */ 8438 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8439 String cpuAbiOverride, boolean extractLibs) 8440 throws PackageManagerException { 8441 // TODO: We can probably be smarter about this stuff. For installed apps, 8442 // we can calculate this information at install time once and for all. For 8443 // system apps, we can probably assume that this information doesn't change 8444 // after the first boot scan. As things stand, we do lots of unnecessary work. 8445 8446 // Give ourselves some initial paths; we'll come back for another 8447 // pass once we've determined ABI below. 8448 setNativeLibraryPaths(pkg); 8449 8450 // We would never need to extract libs for forward-locked and external packages, 8451 // since the container service will do it for us. We shouldn't attempt to 8452 // extract libs from system app when it was not updated. 8453 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8454 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8455 extractLibs = false; 8456 } 8457 8458 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8459 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8460 8461 NativeLibraryHelper.Handle handle = null; 8462 try { 8463 handle = NativeLibraryHelper.Handle.create(pkg); 8464 // TODO(multiArch): This can be null for apps that didn't go through the 8465 // usual installation process. We can calculate it again, like we 8466 // do during install time. 8467 // 8468 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8469 // unnecessary. 8470 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8471 8472 // Null out the abis so that they can be recalculated. 8473 pkg.applicationInfo.primaryCpuAbi = null; 8474 pkg.applicationInfo.secondaryCpuAbi = null; 8475 if (isMultiArch(pkg.applicationInfo)) { 8476 // Warn if we've set an abiOverride for multi-lib packages.. 8477 // By definition, we need to copy both 32 and 64 bit libraries for 8478 // such packages. 8479 if (pkg.cpuAbiOverride != null 8480 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8481 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8482 } 8483 8484 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8485 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8486 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8487 if (extractLibs) { 8488 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8489 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8490 useIsaSpecificSubdirs); 8491 } else { 8492 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8493 } 8494 } 8495 8496 maybeThrowExceptionForMultiArchCopy( 8497 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8498 8499 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8500 if (extractLibs) { 8501 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8502 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8503 useIsaSpecificSubdirs); 8504 } else { 8505 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8506 } 8507 } 8508 8509 maybeThrowExceptionForMultiArchCopy( 8510 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8511 8512 if (abi64 >= 0) { 8513 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8514 } 8515 8516 if (abi32 >= 0) { 8517 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8518 if (abi64 >= 0) { 8519 if (cpuAbiOverride == null && pkg.use32bitAbi) { 8520 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8521 pkg.applicationInfo.primaryCpuAbi = abi; 8522 } else { 8523 pkg.applicationInfo.secondaryCpuAbi = abi; 8524 } 8525 } else { 8526 pkg.applicationInfo.primaryCpuAbi = abi; 8527 } 8528 } 8529 8530 } else { 8531 String[] abiList = (cpuAbiOverride != null) ? 8532 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8533 8534 // Enable gross and lame hacks for apps that are built with old 8535 // SDK tools. We must scan their APKs for renderscript bitcode and 8536 // not launch them if it's present. Don't bother checking on devices 8537 // that don't have 64 bit support. 8538 boolean needsRenderScriptOverride = false; 8539 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8540 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8541 abiList = Build.SUPPORTED_32_BIT_ABIS; 8542 needsRenderScriptOverride = true; 8543 } 8544 8545 final int copyRet; 8546 if (extractLibs) { 8547 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8548 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8549 } else { 8550 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8551 } 8552 8553 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8554 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8555 "Error unpackaging native libs for app, errorCode=" + copyRet); 8556 } 8557 8558 if (copyRet >= 0) { 8559 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8560 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8561 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8562 } else if (needsRenderScriptOverride) { 8563 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8564 } 8565 } 8566 } catch (IOException ioe) { 8567 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8568 } finally { 8569 IoUtils.closeQuietly(handle); 8570 } 8571 8572 // Now that we've calculated the ABIs and determined if it's an internal app, 8573 // we will go ahead and populate the nativeLibraryPath. 8574 setNativeLibraryPaths(pkg); 8575 } 8576 8577 /** 8578 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8579 * i.e, so that all packages can be run inside a single process if required. 8580 * 8581 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8582 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8583 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8584 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8585 * updating a package that belongs to a shared user. 8586 * 8587 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8588 * adds unnecessary complexity. 8589 */ 8590 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8591 PackageParser.Package scannedPackage, boolean bootComplete) { 8592 String requiredInstructionSet = null; 8593 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8594 requiredInstructionSet = VMRuntime.getInstructionSet( 8595 scannedPackage.applicationInfo.primaryCpuAbi); 8596 } 8597 8598 PackageSetting requirer = null; 8599 for (PackageSetting ps : packagesForUser) { 8600 // If packagesForUser contains scannedPackage, we skip it. This will happen 8601 // when scannedPackage is an update of an existing package. Without this check, 8602 // we will never be able to change the ABI of any package belonging to a shared 8603 // user, even if it's compatible with other packages. 8604 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8605 if (ps.primaryCpuAbiString == null) { 8606 continue; 8607 } 8608 8609 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8610 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8611 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8612 // this but there's not much we can do. 8613 String errorMessage = "Instruction set mismatch, " 8614 + ((requirer == null) ? "[caller]" : requirer) 8615 + " requires " + requiredInstructionSet + " whereas " + ps 8616 + " requires " + instructionSet; 8617 Slog.w(TAG, errorMessage); 8618 } 8619 8620 if (requiredInstructionSet == null) { 8621 requiredInstructionSet = instructionSet; 8622 requirer = ps; 8623 } 8624 } 8625 } 8626 8627 if (requiredInstructionSet != null) { 8628 String adjustedAbi; 8629 if (requirer != null) { 8630 // requirer != null implies that either scannedPackage was null or that scannedPackage 8631 // did not require an ABI, in which case we have to adjust scannedPackage to match 8632 // the ABI of the set (which is the same as requirer's ABI) 8633 adjustedAbi = requirer.primaryCpuAbiString; 8634 if (scannedPackage != null) { 8635 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8636 } 8637 } else { 8638 // requirer == null implies that we're updating all ABIs in the set to 8639 // match scannedPackage. 8640 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8641 } 8642 8643 for (PackageSetting ps : packagesForUser) { 8644 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8645 if (ps.primaryCpuAbiString != null) { 8646 continue; 8647 } 8648 8649 ps.primaryCpuAbiString = adjustedAbi; 8650 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8651 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8652 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8653 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8654 + " (requirer=" 8655 + (requirer == null ? "null" : requirer.pkg.packageName) 8656 + ", scannedPackage=" 8657 + (scannedPackage != null ? scannedPackage.packageName : "null") 8658 + ")"); 8659 try { 8660 mInstaller.rmdex(ps.codePathString, 8661 getDexCodeInstructionSet(getPreferredInstructionSet())); 8662 } catch (InstallerException ignored) { 8663 } 8664 } 8665 } 8666 } 8667 } 8668 } 8669 8670 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8671 synchronized (mPackages) { 8672 mResolverReplaced = true; 8673 // Set up information for custom user intent resolution activity. 8674 mResolveActivity.applicationInfo = pkg.applicationInfo; 8675 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8676 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8677 mResolveActivity.processName = pkg.applicationInfo.packageName; 8678 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8679 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8680 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8681 mResolveActivity.theme = 0; 8682 mResolveActivity.exported = true; 8683 mResolveActivity.enabled = true; 8684 mResolveInfo.activityInfo = mResolveActivity; 8685 mResolveInfo.priority = 0; 8686 mResolveInfo.preferredOrder = 0; 8687 mResolveInfo.match = 0; 8688 mResolveComponentName = mCustomResolverComponentName; 8689 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8690 mResolveComponentName); 8691 } 8692 } 8693 8694 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8695 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8696 8697 // Set up information for ephemeral installer activity 8698 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8699 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8700 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8701 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8702 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8703 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8704 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8705 mEphemeralInstallerActivity.theme = 0; 8706 mEphemeralInstallerActivity.exported = true; 8707 mEphemeralInstallerActivity.enabled = true; 8708 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8709 mEphemeralInstallerInfo.priority = 0; 8710 mEphemeralInstallerInfo.preferredOrder = 0; 8711 mEphemeralInstallerInfo.match = 0; 8712 8713 if (DEBUG_EPHEMERAL) { 8714 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8715 } 8716 } 8717 8718 private static String calculateBundledApkRoot(final String codePathString) { 8719 final File codePath = new File(codePathString); 8720 final File codeRoot; 8721 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8722 codeRoot = Environment.getRootDirectory(); 8723 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8724 codeRoot = Environment.getOemDirectory(); 8725 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8726 codeRoot = Environment.getVendorDirectory(); 8727 } else { 8728 // Unrecognized code path; take its top real segment as the apk root: 8729 // e.g. /something/app/blah.apk => /something 8730 try { 8731 File f = codePath.getCanonicalFile(); 8732 File parent = f.getParentFile(); // non-null because codePath is a file 8733 File tmp; 8734 while ((tmp = parent.getParentFile()) != null) { 8735 f = parent; 8736 parent = tmp; 8737 } 8738 codeRoot = f; 8739 Slog.w(TAG, "Unrecognized code path " 8740 + codePath + " - using " + codeRoot); 8741 } catch (IOException e) { 8742 // Can't canonicalize the code path -- shenanigans? 8743 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8744 return Environment.getRootDirectory().getPath(); 8745 } 8746 } 8747 return codeRoot.getPath(); 8748 } 8749 8750 /** 8751 * Derive and set the location of native libraries for the given package, 8752 * which varies depending on where and how the package was installed. 8753 */ 8754 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8755 final ApplicationInfo info = pkg.applicationInfo; 8756 final String codePath = pkg.codePath; 8757 final File codeFile = new File(codePath); 8758 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8759 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8760 8761 info.nativeLibraryRootDir = null; 8762 info.nativeLibraryRootRequiresIsa = false; 8763 info.nativeLibraryDir = null; 8764 info.secondaryNativeLibraryDir = null; 8765 8766 if (isApkFile(codeFile)) { 8767 // Monolithic install 8768 if (bundledApp) { 8769 // If "/system/lib64/apkname" exists, assume that is the per-package 8770 // native library directory to use; otherwise use "/system/lib/apkname". 8771 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8772 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8773 getPrimaryInstructionSet(info)); 8774 8775 // This is a bundled system app so choose the path based on the ABI. 8776 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8777 // is just the default path. 8778 final String apkName = deriveCodePathName(codePath); 8779 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8780 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8781 apkName).getAbsolutePath(); 8782 8783 if (info.secondaryCpuAbi != null) { 8784 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8785 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8786 secondaryLibDir, apkName).getAbsolutePath(); 8787 } 8788 } else if (asecApp) { 8789 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8790 .getAbsolutePath(); 8791 } else { 8792 final String apkName = deriveCodePathName(codePath); 8793 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8794 .getAbsolutePath(); 8795 } 8796 8797 info.nativeLibraryRootRequiresIsa = false; 8798 info.nativeLibraryDir = info.nativeLibraryRootDir; 8799 } else { 8800 // Cluster install 8801 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8802 info.nativeLibraryRootRequiresIsa = true; 8803 8804 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8805 getPrimaryInstructionSet(info)).getAbsolutePath(); 8806 8807 if (info.secondaryCpuAbi != null) { 8808 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8809 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8810 } 8811 } 8812 } 8813 8814 /** 8815 * Calculate the abis and roots for a bundled app. These can uniquely 8816 * be determined from the contents of the system partition, i.e whether 8817 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8818 * of this information, and instead assume that the system was built 8819 * sensibly. 8820 */ 8821 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8822 PackageSetting pkgSetting) { 8823 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8824 8825 // If "/system/lib64/apkname" exists, assume that is the per-package 8826 // native library directory to use; otherwise use "/system/lib/apkname". 8827 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8828 setBundledAppAbi(pkg, apkRoot, apkName); 8829 // pkgSetting might be null during rescan following uninstall of updates 8830 // to a bundled app, so accommodate that possibility. The settings in 8831 // that case will be established later from the parsed package. 8832 // 8833 // If the settings aren't null, sync them up with what we've just derived. 8834 // note that apkRoot isn't stored in the package settings. 8835 if (pkgSetting != null) { 8836 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8837 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8838 } 8839 } 8840 8841 /** 8842 * Deduces the ABI of a bundled app and sets the relevant fields on the 8843 * parsed pkg object. 8844 * 8845 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8846 * under which system libraries are installed. 8847 * @param apkName the name of the installed package. 8848 */ 8849 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8850 final File codeFile = new File(pkg.codePath); 8851 8852 final boolean has64BitLibs; 8853 final boolean has32BitLibs; 8854 if (isApkFile(codeFile)) { 8855 // Monolithic install 8856 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8857 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8858 } else { 8859 // Cluster install 8860 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8861 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8862 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8863 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8864 has64BitLibs = (new File(rootDir, isa)).exists(); 8865 } else { 8866 has64BitLibs = false; 8867 } 8868 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8869 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8870 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8871 has32BitLibs = (new File(rootDir, isa)).exists(); 8872 } else { 8873 has32BitLibs = false; 8874 } 8875 } 8876 8877 if (has64BitLibs && !has32BitLibs) { 8878 // The package has 64 bit libs, but not 32 bit libs. Its primary 8879 // ABI should be 64 bit. We can safely assume here that the bundled 8880 // native libraries correspond to the most preferred ABI in the list. 8881 8882 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8883 pkg.applicationInfo.secondaryCpuAbi = null; 8884 } else if (has32BitLibs && !has64BitLibs) { 8885 // The package has 32 bit libs but not 64 bit libs. Its primary 8886 // ABI should be 32 bit. 8887 8888 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8889 pkg.applicationInfo.secondaryCpuAbi = null; 8890 } else if (has32BitLibs && has64BitLibs) { 8891 // The application has both 64 and 32 bit bundled libraries. We check 8892 // here that the app declares multiArch support, and warn if it doesn't. 8893 // 8894 // We will be lenient here and record both ABIs. The primary will be the 8895 // ABI that's higher on the list, i.e, a device that's configured to prefer 8896 // 64 bit apps will see a 64 bit primary ABI, 8897 8898 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8899 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8900 } 8901 8902 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8903 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8904 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8905 } else { 8906 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8907 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8908 } 8909 } else { 8910 pkg.applicationInfo.primaryCpuAbi = null; 8911 pkg.applicationInfo.secondaryCpuAbi = null; 8912 } 8913 } 8914 8915 private void killPackage(PackageParser.Package pkg, String reason) { 8916 // Kill the parent package 8917 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8918 // Kill the child packages 8919 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8920 for (int i = 0; i < childCount; i++) { 8921 PackageParser.Package childPkg = pkg.childPackages.get(i); 8922 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8923 } 8924 } 8925 8926 private void killApplication(String pkgName, int appId, String reason) { 8927 // Request the ActivityManager to kill the process(only for existing packages) 8928 // so that we do not end up in a confused state while the user is still using the older 8929 // version of the application while the new one gets installed. 8930 IActivityManager am = ActivityManagerNative.getDefault(); 8931 if (am != null) { 8932 try { 8933 am.killApplicationWithAppId(pkgName, appId, reason); 8934 } catch (RemoteException e) { 8935 } 8936 } 8937 } 8938 8939 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 8940 // Remove the parent package setting 8941 PackageSetting ps = (PackageSetting) pkg.mExtras; 8942 if (ps != null) { 8943 removePackageLI(ps, chatty); 8944 } 8945 // Remove the child package setting 8946 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8947 for (int i = 0; i < childCount; i++) { 8948 PackageParser.Package childPkg = pkg.childPackages.get(i); 8949 ps = (PackageSetting) childPkg.mExtras; 8950 if (ps != null) { 8951 removePackageLI(ps, chatty); 8952 } 8953 } 8954 } 8955 8956 void removePackageLI(PackageSetting ps, boolean chatty) { 8957 if (DEBUG_INSTALL) { 8958 if (chatty) 8959 Log.d(TAG, "Removing package " + ps.name); 8960 } 8961 8962 // writer 8963 synchronized (mPackages) { 8964 mPackages.remove(ps.name); 8965 final PackageParser.Package pkg = ps.pkg; 8966 if (pkg != null) { 8967 cleanPackageDataStructuresLILPw(pkg, chatty); 8968 } 8969 } 8970 } 8971 8972 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8973 if (DEBUG_INSTALL) { 8974 if (chatty) 8975 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8976 } 8977 8978 // writer 8979 synchronized (mPackages) { 8980 // Remove the parent package 8981 mPackages.remove(pkg.applicationInfo.packageName); 8982 cleanPackageDataStructuresLILPw(pkg, chatty); 8983 8984 // Remove the child packages 8985 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8986 for (int i = 0; i < childCount; i++) { 8987 PackageParser.Package childPkg = pkg.childPackages.get(i); 8988 mPackages.remove(childPkg.applicationInfo.packageName); 8989 cleanPackageDataStructuresLILPw(childPkg, chatty); 8990 } 8991 } 8992 } 8993 8994 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8995 int N = pkg.providers.size(); 8996 StringBuilder r = null; 8997 int i; 8998 for (i=0; i<N; i++) { 8999 PackageParser.Provider p = pkg.providers.get(i); 9000 mProviders.removeProvider(p); 9001 if (p.info.authority == null) { 9002 9003 /* There was another ContentProvider with this authority when 9004 * this app was installed so this authority is null, 9005 * Ignore it as we don't have to unregister the provider. 9006 */ 9007 continue; 9008 } 9009 String names[] = p.info.authority.split(";"); 9010 for (int j = 0; j < names.length; j++) { 9011 if (mProvidersByAuthority.get(names[j]) == p) { 9012 mProvidersByAuthority.remove(names[j]); 9013 if (DEBUG_REMOVE) { 9014 if (chatty) 9015 Log.d(TAG, "Unregistered content provider: " + names[j] 9016 + ", className = " + p.info.name + ", isSyncable = " 9017 + p.info.isSyncable); 9018 } 9019 } 9020 } 9021 if (DEBUG_REMOVE && chatty) { 9022 if (r == null) { 9023 r = new StringBuilder(256); 9024 } else { 9025 r.append(' '); 9026 } 9027 r.append(p.info.name); 9028 } 9029 } 9030 if (r != null) { 9031 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9032 } 9033 9034 N = pkg.services.size(); 9035 r = null; 9036 for (i=0; i<N; i++) { 9037 PackageParser.Service s = pkg.services.get(i); 9038 mServices.removeService(s); 9039 if (chatty) { 9040 if (r == null) { 9041 r = new StringBuilder(256); 9042 } else { 9043 r.append(' '); 9044 } 9045 r.append(s.info.name); 9046 } 9047 } 9048 if (r != null) { 9049 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9050 } 9051 9052 N = pkg.receivers.size(); 9053 r = null; 9054 for (i=0; i<N; i++) { 9055 PackageParser.Activity a = pkg.receivers.get(i); 9056 mReceivers.removeActivity(a, "receiver"); 9057 if (DEBUG_REMOVE && chatty) { 9058 if (r == null) { 9059 r = new StringBuilder(256); 9060 } else { 9061 r.append(' '); 9062 } 9063 r.append(a.info.name); 9064 } 9065 } 9066 if (r != null) { 9067 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9068 } 9069 9070 N = pkg.activities.size(); 9071 r = null; 9072 for (i=0; i<N; i++) { 9073 PackageParser.Activity a = pkg.activities.get(i); 9074 mActivities.removeActivity(a, "activity"); 9075 if (DEBUG_REMOVE && chatty) { 9076 if (r == null) { 9077 r = new StringBuilder(256); 9078 } else { 9079 r.append(' '); 9080 } 9081 r.append(a.info.name); 9082 } 9083 } 9084 if (r != null) { 9085 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9086 } 9087 9088 N = pkg.permissions.size(); 9089 r = null; 9090 for (i=0; i<N; i++) { 9091 PackageParser.Permission p = pkg.permissions.get(i); 9092 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9093 if (bp == null) { 9094 bp = mSettings.mPermissionTrees.get(p.info.name); 9095 } 9096 if (bp != null && bp.perm == p) { 9097 bp.perm = null; 9098 if (DEBUG_REMOVE && chatty) { 9099 if (r == null) { 9100 r = new StringBuilder(256); 9101 } else { 9102 r.append(' '); 9103 } 9104 r.append(p.info.name); 9105 } 9106 } 9107 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9108 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9109 if (appOpPkgs != null) { 9110 appOpPkgs.remove(pkg.packageName); 9111 } 9112 } 9113 } 9114 if (r != null) { 9115 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9116 } 9117 9118 N = pkg.requestedPermissions.size(); 9119 r = null; 9120 for (i=0; i<N; i++) { 9121 String perm = pkg.requestedPermissions.get(i); 9122 BasePermission bp = mSettings.mPermissions.get(perm); 9123 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9124 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9125 if (appOpPkgs != null) { 9126 appOpPkgs.remove(pkg.packageName); 9127 if (appOpPkgs.isEmpty()) { 9128 mAppOpPermissionPackages.remove(perm); 9129 } 9130 } 9131 } 9132 } 9133 if (r != null) { 9134 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9135 } 9136 9137 N = pkg.instrumentation.size(); 9138 r = null; 9139 for (i=0; i<N; i++) { 9140 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9141 mInstrumentation.remove(a.getComponentName()); 9142 if (DEBUG_REMOVE && chatty) { 9143 if (r == null) { 9144 r = new StringBuilder(256); 9145 } else { 9146 r.append(' '); 9147 } 9148 r.append(a.info.name); 9149 } 9150 } 9151 if (r != null) { 9152 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9153 } 9154 9155 r = null; 9156 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9157 // Only system apps can hold shared libraries. 9158 if (pkg.libraryNames != null) { 9159 for (i=0; i<pkg.libraryNames.size(); i++) { 9160 String name = pkg.libraryNames.get(i); 9161 SharedLibraryEntry cur = mSharedLibraries.get(name); 9162 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9163 mSharedLibraries.remove(name); 9164 if (DEBUG_REMOVE && chatty) { 9165 if (r == null) { 9166 r = new StringBuilder(256); 9167 } else { 9168 r.append(' '); 9169 } 9170 r.append(name); 9171 } 9172 } 9173 } 9174 } 9175 } 9176 if (r != null) { 9177 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9178 } 9179 } 9180 9181 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9182 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9183 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9184 return true; 9185 } 9186 } 9187 return false; 9188 } 9189 9190 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9191 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9192 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9193 9194 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9195 // Update the parent permissions 9196 updatePermissionsLPw(pkg.packageName, pkg, flags); 9197 // Update the child permissions 9198 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9199 for (int i = 0; i < childCount; i++) { 9200 PackageParser.Package childPkg = pkg.childPackages.get(i); 9201 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9202 } 9203 } 9204 9205 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9206 int flags) { 9207 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9208 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9209 } 9210 9211 private void updatePermissionsLPw(String changingPkg, 9212 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9213 // Make sure there are no dangling permission trees. 9214 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9215 while (it.hasNext()) { 9216 final BasePermission bp = it.next(); 9217 if (bp.packageSetting == null) { 9218 // We may not yet have parsed the package, so just see if 9219 // we still know about its settings. 9220 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9221 } 9222 if (bp.packageSetting == null) { 9223 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9224 + " from package " + bp.sourcePackage); 9225 it.remove(); 9226 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9227 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9228 Slog.i(TAG, "Removing old permission tree: " + bp.name 9229 + " from package " + bp.sourcePackage); 9230 flags |= UPDATE_PERMISSIONS_ALL; 9231 it.remove(); 9232 } 9233 } 9234 } 9235 9236 // Make sure all dynamic permissions have been assigned to a package, 9237 // and make sure there are no dangling permissions. 9238 it = mSettings.mPermissions.values().iterator(); 9239 while (it.hasNext()) { 9240 final BasePermission bp = it.next(); 9241 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9242 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9243 + bp.name + " pkg=" + bp.sourcePackage 9244 + " info=" + bp.pendingInfo); 9245 if (bp.packageSetting == null && bp.pendingInfo != null) { 9246 final BasePermission tree = findPermissionTreeLP(bp.name); 9247 if (tree != null && tree.perm != null) { 9248 bp.packageSetting = tree.packageSetting; 9249 bp.perm = new PackageParser.Permission(tree.perm.owner, 9250 new PermissionInfo(bp.pendingInfo)); 9251 bp.perm.info.packageName = tree.perm.info.packageName; 9252 bp.perm.info.name = bp.name; 9253 bp.uid = tree.uid; 9254 } 9255 } 9256 } 9257 if (bp.packageSetting == null) { 9258 // We may not yet have parsed the package, so just see if 9259 // we still know about its settings. 9260 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9261 } 9262 if (bp.packageSetting == null) { 9263 Slog.w(TAG, "Removing dangling permission: " + bp.name 9264 + " from package " + bp.sourcePackage); 9265 it.remove(); 9266 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9267 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9268 Slog.i(TAG, "Removing old permission: " + bp.name 9269 + " from package " + bp.sourcePackage); 9270 flags |= UPDATE_PERMISSIONS_ALL; 9271 it.remove(); 9272 } 9273 } 9274 } 9275 9276 // Now update the permissions for all packages, in particular 9277 // replace the granted permissions of the system packages. 9278 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9279 for (PackageParser.Package pkg : mPackages.values()) { 9280 if (pkg != pkgInfo) { 9281 // Only replace for packages on requested volume 9282 final String volumeUuid = getVolumeUuidForPackage(pkg); 9283 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9284 && Objects.equals(replaceVolumeUuid, volumeUuid); 9285 grantPermissionsLPw(pkg, replace, changingPkg); 9286 } 9287 } 9288 } 9289 9290 if (pkgInfo != null) { 9291 // Only replace for packages on requested volume 9292 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9293 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9294 && Objects.equals(replaceVolumeUuid, volumeUuid); 9295 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9296 } 9297 } 9298 9299 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9300 String packageOfInterest) { 9301 // IMPORTANT: There are two types of permissions: install and runtime. 9302 // Install time permissions are granted when the app is installed to 9303 // all device users and users added in the future. Runtime permissions 9304 // are granted at runtime explicitly to specific users. Normal and signature 9305 // protected permissions are install time permissions. Dangerous permissions 9306 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9307 // otherwise they are runtime permissions. This function does not manage 9308 // runtime permissions except for the case an app targeting Lollipop MR1 9309 // being upgraded to target a newer SDK, in which case dangerous permissions 9310 // are transformed from install time to runtime ones. 9311 9312 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9313 if (ps == null) { 9314 return; 9315 } 9316 9317 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9318 9319 PermissionsState permissionsState = ps.getPermissionsState(); 9320 PermissionsState origPermissions = permissionsState; 9321 9322 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9323 9324 boolean runtimePermissionsRevoked = false; 9325 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9326 9327 boolean changedInstallPermission = false; 9328 9329 if (replace) { 9330 ps.installPermissionsFixed = false; 9331 if (!ps.isSharedUser()) { 9332 origPermissions = new PermissionsState(permissionsState); 9333 permissionsState.reset(); 9334 } else { 9335 // We need to know only about runtime permission changes since the 9336 // calling code always writes the install permissions state but 9337 // the runtime ones are written only if changed. The only cases of 9338 // changed runtime permissions here are promotion of an install to 9339 // runtime and revocation of a runtime from a shared user. 9340 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9341 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9342 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9343 runtimePermissionsRevoked = true; 9344 } 9345 } 9346 } 9347 9348 permissionsState.setGlobalGids(mGlobalGids); 9349 9350 final int N = pkg.requestedPermissions.size(); 9351 for (int i=0; i<N; i++) { 9352 final String name = pkg.requestedPermissions.get(i); 9353 final BasePermission bp = mSettings.mPermissions.get(name); 9354 9355 if (DEBUG_INSTALL) { 9356 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9357 } 9358 9359 if (bp == null || bp.packageSetting == null) { 9360 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9361 Slog.w(TAG, "Unknown permission " + name 9362 + " in package " + pkg.packageName); 9363 } 9364 continue; 9365 } 9366 9367 final String perm = bp.name; 9368 boolean allowedSig = false; 9369 int grant = GRANT_DENIED; 9370 9371 // Keep track of app op permissions. 9372 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9373 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9374 if (pkgs == null) { 9375 pkgs = new ArraySet<>(); 9376 mAppOpPermissionPackages.put(bp.name, pkgs); 9377 } 9378 pkgs.add(pkg.packageName); 9379 } 9380 9381 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9382 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9383 >= Build.VERSION_CODES.M; 9384 switch (level) { 9385 case PermissionInfo.PROTECTION_NORMAL: { 9386 // For all apps normal permissions are install time ones. 9387 grant = GRANT_INSTALL; 9388 } break; 9389 9390 case PermissionInfo.PROTECTION_DANGEROUS: { 9391 // If a permission review is required for legacy apps we represent 9392 // their permissions as always granted runtime ones since we need 9393 // to keep the review required permission flag per user while an 9394 // install permission's state is shared across all users. 9395 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9396 // For legacy apps dangerous permissions are install time ones. 9397 grant = GRANT_INSTALL; 9398 } else if (origPermissions.hasInstallPermission(bp.name)) { 9399 // For legacy apps that became modern, install becomes runtime. 9400 grant = GRANT_UPGRADE; 9401 } else if (mPromoteSystemApps 9402 && isSystemApp(ps) 9403 && mExistingSystemPackages.contains(ps.name)) { 9404 // For legacy system apps, install becomes runtime. 9405 // We cannot check hasInstallPermission() for system apps since those 9406 // permissions were granted implicitly and not persisted pre-M. 9407 grant = GRANT_UPGRADE; 9408 } else { 9409 // For modern apps keep runtime permissions unchanged. 9410 grant = GRANT_RUNTIME; 9411 } 9412 } break; 9413 9414 case PermissionInfo.PROTECTION_SIGNATURE: { 9415 // For all apps signature permissions are install time ones. 9416 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9417 if (allowedSig) { 9418 grant = GRANT_INSTALL; 9419 } 9420 } break; 9421 } 9422 9423 if (DEBUG_INSTALL) { 9424 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9425 } 9426 9427 if (grant != GRANT_DENIED) { 9428 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9429 // If this is an existing, non-system package, then 9430 // we can't add any new permissions to it. 9431 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9432 // Except... if this is a permission that was added 9433 // to the platform (note: need to only do this when 9434 // updating the platform). 9435 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9436 grant = GRANT_DENIED; 9437 } 9438 } 9439 } 9440 9441 switch (grant) { 9442 case GRANT_INSTALL: { 9443 // Revoke this as runtime permission to handle the case of 9444 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9445 for (int userId : UserManagerService.getInstance().getUserIds()) { 9446 if (origPermissions.getRuntimePermissionState( 9447 bp.name, userId) != null) { 9448 // Revoke the runtime permission and clear the flags. 9449 origPermissions.revokeRuntimePermission(bp, userId); 9450 origPermissions.updatePermissionFlags(bp, userId, 9451 PackageManager.MASK_PERMISSION_FLAGS, 0); 9452 // If we revoked a permission permission, we have to write. 9453 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9454 changedRuntimePermissionUserIds, userId); 9455 } 9456 } 9457 // Grant an install permission. 9458 if (permissionsState.grantInstallPermission(bp) != 9459 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9460 changedInstallPermission = true; 9461 } 9462 } break; 9463 9464 case GRANT_RUNTIME: { 9465 // Grant previously granted runtime permissions. 9466 for (int userId : UserManagerService.getInstance().getUserIds()) { 9467 PermissionState permissionState = origPermissions 9468 .getRuntimePermissionState(bp.name, userId); 9469 int flags = permissionState != null 9470 ? permissionState.getFlags() : 0; 9471 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9472 if (permissionsState.grantRuntimePermission(bp, userId) == 9473 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9474 // If we cannot put the permission as it was, we have to write. 9475 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9476 changedRuntimePermissionUserIds, userId); 9477 } 9478 // If the app supports runtime permissions no need for a review. 9479 if (Build.PERMISSIONS_REVIEW_REQUIRED 9480 && appSupportsRuntimePermissions 9481 && (flags & PackageManager 9482 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9483 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9484 // Since we changed the flags, we have to write. 9485 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9486 changedRuntimePermissionUserIds, userId); 9487 } 9488 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9489 && !appSupportsRuntimePermissions) { 9490 // For legacy apps that need a permission review, every new 9491 // runtime permission is granted but it is pending a review. 9492 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9493 permissionsState.grantRuntimePermission(bp, userId); 9494 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9495 // We changed the permission and flags, hence have to write. 9496 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9497 changedRuntimePermissionUserIds, userId); 9498 } 9499 } 9500 // Propagate the permission flags. 9501 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9502 } 9503 } break; 9504 9505 case GRANT_UPGRADE: { 9506 // Grant runtime permissions for a previously held install permission. 9507 PermissionState permissionState = origPermissions 9508 .getInstallPermissionState(bp.name); 9509 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9510 9511 if (origPermissions.revokeInstallPermission(bp) 9512 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9513 // We will be transferring the permission flags, so clear them. 9514 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9515 PackageManager.MASK_PERMISSION_FLAGS, 0); 9516 changedInstallPermission = true; 9517 } 9518 9519 // If the permission is not to be promoted to runtime we ignore it and 9520 // also its other flags as they are not applicable to install permissions. 9521 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9522 for (int userId : currentUserIds) { 9523 if (permissionsState.grantRuntimePermission(bp, userId) != 9524 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9525 // Transfer the permission flags. 9526 permissionsState.updatePermissionFlags(bp, userId, 9527 flags, flags); 9528 // If we granted the permission, we have to write. 9529 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9530 changedRuntimePermissionUserIds, userId); 9531 } 9532 } 9533 } 9534 } break; 9535 9536 default: { 9537 if (packageOfInterest == null 9538 || packageOfInterest.equals(pkg.packageName)) { 9539 Slog.w(TAG, "Not granting permission " + perm 9540 + " to package " + pkg.packageName 9541 + " because it was previously installed without"); 9542 } 9543 } break; 9544 } 9545 } else { 9546 if (permissionsState.revokeInstallPermission(bp) != 9547 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9548 // Also drop the permission flags. 9549 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9550 PackageManager.MASK_PERMISSION_FLAGS, 0); 9551 changedInstallPermission = true; 9552 Slog.i(TAG, "Un-granting permission " + perm 9553 + " from package " + pkg.packageName 9554 + " (protectionLevel=" + bp.protectionLevel 9555 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9556 + ")"); 9557 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9558 // Don't print warning for app op permissions, since it is fine for them 9559 // not to be granted, there is a UI for the user to decide. 9560 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9561 Slog.w(TAG, "Not granting permission " + perm 9562 + " to package " + pkg.packageName 9563 + " (protectionLevel=" + bp.protectionLevel 9564 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9565 + ")"); 9566 } 9567 } 9568 } 9569 } 9570 9571 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9572 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9573 // This is the first that we have heard about this package, so the 9574 // permissions we have now selected are fixed until explicitly 9575 // changed. 9576 ps.installPermissionsFixed = true; 9577 } 9578 9579 // Persist the runtime permissions state for users with changes. If permissions 9580 // were revoked because no app in the shared user declares them we have to 9581 // write synchronously to avoid losing runtime permissions state. 9582 for (int userId : changedRuntimePermissionUserIds) { 9583 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9584 } 9585 9586 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9587 } 9588 9589 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9590 boolean allowed = false; 9591 final int NP = PackageParser.NEW_PERMISSIONS.length; 9592 for (int ip=0; ip<NP; ip++) { 9593 final PackageParser.NewPermissionInfo npi 9594 = PackageParser.NEW_PERMISSIONS[ip]; 9595 if (npi.name.equals(perm) 9596 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9597 allowed = true; 9598 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9599 + pkg.packageName); 9600 break; 9601 } 9602 } 9603 return allowed; 9604 } 9605 9606 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9607 BasePermission bp, PermissionsState origPermissions) { 9608 boolean allowed; 9609 allowed = (compareSignatures( 9610 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9611 == PackageManager.SIGNATURE_MATCH) 9612 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9613 == PackageManager.SIGNATURE_MATCH); 9614 if (!allowed && (bp.protectionLevel 9615 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9616 if (isSystemApp(pkg)) { 9617 // For updated system applications, a system permission 9618 // is granted only if it had been defined by the original application. 9619 if (pkg.isUpdatedSystemApp()) { 9620 final PackageSetting sysPs = mSettings 9621 .getDisabledSystemPkgLPr(pkg.packageName); 9622 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9623 // If the original was granted this permission, we take 9624 // that grant decision as read and propagate it to the 9625 // update. 9626 if (sysPs.isPrivileged()) { 9627 allowed = true; 9628 } 9629 } else { 9630 // The system apk may have been updated with an older 9631 // version of the one on the data partition, but which 9632 // granted a new system permission that it didn't have 9633 // before. In this case we do want to allow the app to 9634 // now get the new permission if the ancestral apk is 9635 // privileged to get it. 9636 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9637 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9638 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9639 allowed = true; 9640 break; 9641 } 9642 } 9643 } 9644 // Also if a privileged parent package on the system image or any of 9645 // its children requested a privileged permission, the updated child 9646 // packages can also get the permission. 9647 if (pkg.parentPackage != null) { 9648 final PackageSetting disabledSysParentPs = mSettings 9649 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9650 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9651 && disabledSysParentPs.isPrivileged()) { 9652 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9653 allowed = true; 9654 } else if (disabledSysParentPs.pkg.childPackages != null) { 9655 final int count = disabledSysParentPs.pkg.childPackages.size(); 9656 for (int i = 0; i < count; i++) { 9657 PackageParser.Package disabledSysChildPkg = 9658 disabledSysParentPs.pkg.childPackages.get(i); 9659 if (isPackageRequestingPermission(disabledSysChildPkg, 9660 perm)) { 9661 allowed = true; 9662 break; 9663 } 9664 } 9665 } 9666 } 9667 } 9668 } 9669 } else { 9670 allowed = isPrivilegedApp(pkg); 9671 } 9672 } 9673 } 9674 if (!allowed) { 9675 if (!allowed && (bp.protectionLevel 9676 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9677 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9678 // If this was a previously normal/dangerous permission that got moved 9679 // to a system permission as part of the runtime permission redesign, then 9680 // we still want to blindly grant it to old apps. 9681 allowed = true; 9682 } 9683 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9684 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9685 // If this permission is to be granted to the system installer and 9686 // this app is an installer, then it gets the permission. 9687 allowed = true; 9688 } 9689 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9690 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9691 // If this permission is to be granted to the system verifier and 9692 // this app is a verifier, then it gets the permission. 9693 allowed = true; 9694 } 9695 if (!allowed && (bp.protectionLevel 9696 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9697 && isSystemApp(pkg)) { 9698 // Any pre-installed system app is allowed to get this permission. 9699 allowed = true; 9700 } 9701 if (!allowed && (bp.protectionLevel 9702 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9703 // For development permissions, a development permission 9704 // is granted only if it was already granted. 9705 allowed = origPermissions.hasInstallPermission(perm); 9706 } 9707 } 9708 return allowed; 9709 } 9710 9711 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9712 final int permCount = pkg.requestedPermissions.size(); 9713 for (int j = 0; j < permCount; j++) { 9714 String requestedPermission = pkg.requestedPermissions.get(j); 9715 if (permission.equals(requestedPermission)) { 9716 return true; 9717 } 9718 } 9719 return false; 9720 } 9721 9722 final class ActivityIntentResolver 9723 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9724 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9725 boolean defaultOnly, int userId) { 9726 if (!sUserManager.exists(userId)) return null; 9727 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9728 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9729 } 9730 9731 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9732 int userId) { 9733 if (!sUserManager.exists(userId)) return null; 9734 mFlags = flags; 9735 return super.queryIntent(intent, resolvedType, 9736 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9737 } 9738 9739 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9740 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9741 if (!sUserManager.exists(userId)) return null; 9742 if (packageActivities == null) { 9743 return null; 9744 } 9745 mFlags = flags; 9746 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9747 final int N = packageActivities.size(); 9748 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9749 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9750 9751 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9752 for (int i = 0; i < N; ++i) { 9753 intentFilters = packageActivities.get(i).intents; 9754 if (intentFilters != null && intentFilters.size() > 0) { 9755 PackageParser.ActivityIntentInfo[] array = 9756 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9757 intentFilters.toArray(array); 9758 listCut.add(array); 9759 } 9760 } 9761 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9762 } 9763 9764 public final void addActivity(PackageParser.Activity a, String type) { 9765 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9766 mActivities.put(a.getComponentName(), a); 9767 if (DEBUG_SHOW_INFO) 9768 Log.v( 9769 TAG, " " + type + " " + 9770 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9771 if (DEBUG_SHOW_INFO) 9772 Log.v(TAG, " Class=" + a.info.name); 9773 final int NI = a.intents.size(); 9774 for (int j=0; j<NI; j++) { 9775 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9776 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9777 intent.setPriority(0); 9778 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9779 + a.className + " with priority > 0, forcing to 0"); 9780 } 9781 if (DEBUG_SHOW_INFO) { 9782 Log.v(TAG, " IntentFilter:"); 9783 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9784 } 9785 if (!intent.debugCheck()) { 9786 Log.w(TAG, "==> For Activity " + a.info.name); 9787 } 9788 addFilter(intent); 9789 } 9790 } 9791 9792 public final void removeActivity(PackageParser.Activity a, String type) { 9793 mActivities.remove(a.getComponentName()); 9794 if (DEBUG_SHOW_INFO) { 9795 Log.v(TAG, " " + type + " " 9796 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9797 : a.info.name) + ":"); 9798 Log.v(TAG, " Class=" + a.info.name); 9799 } 9800 final int NI = a.intents.size(); 9801 for (int j=0; j<NI; j++) { 9802 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9803 if (DEBUG_SHOW_INFO) { 9804 Log.v(TAG, " IntentFilter:"); 9805 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9806 } 9807 removeFilter(intent); 9808 } 9809 } 9810 9811 @Override 9812 protected boolean allowFilterResult( 9813 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9814 ActivityInfo filterAi = filter.activity.info; 9815 for (int i=dest.size()-1; i>=0; i--) { 9816 ActivityInfo destAi = dest.get(i).activityInfo; 9817 if (destAi.name == filterAi.name 9818 && destAi.packageName == filterAi.packageName) { 9819 return false; 9820 } 9821 } 9822 return true; 9823 } 9824 9825 @Override 9826 protected ActivityIntentInfo[] newArray(int size) { 9827 return new ActivityIntentInfo[size]; 9828 } 9829 9830 @Override 9831 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9832 if (!sUserManager.exists(userId)) return true; 9833 PackageParser.Package p = filter.activity.owner; 9834 if (p != null) { 9835 PackageSetting ps = (PackageSetting)p.mExtras; 9836 if (ps != null) { 9837 // System apps are never considered stopped for purposes of 9838 // filtering, because there may be no way for the user to 9839 // actually re-launch them. 9840 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9841 && ps.getStopped(userId); 9842 } 9843 } 9844 return false; 9845 } 9846 9847 @Override 9848 protected boolean isPackageForFilter(String packageName, 9849 PackageParser.ActivityIntentInfo info) { 9850 return packageName.equals(info.activity.owner.packageName); 9851 } 9852 9853 @Override 9854 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9855 int match, int userId) { 9856 if (!sUserManager.exists(userId)) return null; 9857 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9858 return null; 9859 } 9860 final PackageParser.Activity activity = info.activity; 9861 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9862 if (ps == null) { 9863 return null; 9864 } 9865 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9866 ps.readUserState(userId), userId); 9867 if (ai == null) { 9868 return null; 9869 } 9870 final ResolveInfo res = new ResolveInfo(); 9871 res.activityInfo = ai; 9872 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9873 res.filter = info; 9874 } 9875 if (info != null) { 9876 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9877 } 9878 res.priority = info.getPriority(); 9879 res.preferredOrder = activity.owner.mPreferredOrder; 9880 //System.out.println("Result: " + res.activityInfo.className + 9881 // " = " + res.priority); 9882 res.match = match; 9883 res.isDefault = info.hasDefault; 9884 res.labelRes = info.labelRes; 9885 res.nonLocalizedLabel = info.nonLocalizedLabel; 9886 if (userNeedsBadging(userId)) { 9887 res.noResourceId = true; 9888 } else { 9889 res.icon = info.icon; 9890 } 9891 res.iconResourceId = info.icon; 9892 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9893 return res; 9894 } 9895 9896 @Override 9897 protected void sortResults(List<ResolveInfo> results) { 9898 Collections.sort(results, mResolvePrioritySorter); 9899 } 9900 9901 @Override 9902 protected void dumpFilter(PrintWriter out, String prefix, 9903 PackageParser.ActivityIntentInfo filter) { 9904 out.print(prefix); out.print( 9905 Integer.toHexString(System.identityHashCode(filter.activity))); 9906 out.print(' '); 9907 filter.activity.printComponentShortName(out); 9908 out.print(" filter "); 9909 out.println(Integer.toHexString(System.identityHashCode(filter))); 9910 } 9911 9912 @Override 9913 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9914 return filter.activity; 9915 } 9916 9917 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9918 PackageParser.Activity activity = (PackageParser.Activity)label; 9919 out.print(prefix); out.print( 9920 Integer.toHexString(System.identityHashCode(activity))); 9921 out.print(' '); 9922 activity.printComponentShortName(out); 9923 if (count > 1) { 9924 out.print(" ("); out.print(count); out.print(" filters)"); 9925 } 9926 out.println(); 9927 } 9928 9929// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9930// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9931// final List<ResolveInfo> retList = Lists.newArrayList(); 9932// while (i.hasNext()) { 9933// final ResolveInfo resolveInfo = i.next(); 9934// if (isEnabledLP(resolveInfo.activityInfo)) { 9935// retList.add(resolveInfo); 9936// } 9937// } 9938// return retList; 9939// } 9940 9941 // Keys are String (activity class name), values are Activity. 9942 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9943 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9944 private int mFlags; 9945 } 9946 9947 private final class ServiceIntentResolver 9948 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9949 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9950 boolean defaultOnly, int userId) { 9951 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9952 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9953 } 9954 9955 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9956 int userId) { 9957 if (!sUserManager.exists(userId)) return null; 9958 mFlags = flags; 9959 return super.queryIntent(intent, resolvedType, 9960 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9961 } 9962 9963 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9964 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9965 if (!sUserManager.exists(userId)) return null; 9966 if (packageServices == null) { 9967 return null; 9968 } 9969 mFlags = flags; 9970 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9971 final int N = packageServices.size(); 9972 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9973 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9974 9975 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9976 for (int i = 0; i < N; ++i) { 9977 intentFilters = packageServices.get(i).intents; 9978 if (intentFilters != null && intentFilters.size() > 0) { 9979 PackageParser.ServiceIntentInfo[] array = 9980 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9981 intentFilters.toArray(array); 9982 listCut.add(array); 9983 } 9984 } 9985 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9986 } 9987 9988 public final void addService(PackageParser.Service s) { 9989 mServices.put(s.getComponentName(), s); 9990 if (DEBUG_SHOW_INFO) { 9991 Log.v(TAG, " " 9992 + (s.info.nonLocalizedLabel != null 9993 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9994 Log.v(TAG, " Class=" + s.info.name); 9995 } 9996 final int NI = s.intents.size(); 9997 int j; 9998 for (j=0; j<NI; j++) { 9999 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10000 if (DEBUG_SHOW_INFO) { 10001 Log.v(TAG, " IntentFilter:"); 10002 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10003 } 10004 if (!intent.debugCheck()) { 10005 Log.w(TAG, "==> For Service " + s.info.name); 10006 } 10007 addFilter(intent); 10008 } 10009 } 10010 10011 public final void removeService(PackageParser.Service s) { 10012 mServices.remove(s.getComponentName()); 10013 if (DEBUG_SHOW_INFO) { 10014 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10015 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10016 Log.v(TAG, " Class=" + s.info.name); 10017 } 10018 final int NI = s.intents.size(); 10019 int j; 10020 for (j=0; j<NI; j++) { 10021 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10022 if (DEBUG_SHOW_INFO) { 10023 Log.v(TAG, " IntentFilter:"); 10024 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10025 } 10026 removeFilter(intent); 10027 } 10028 } 10029 10030 @Override 10031 protected boolean allowFilterResult( 10032 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10033 ServiceInfo filterSi = filter.service.info; 10034 for (int i=dest.size()-1; i>=0; i--) { 10035 ServiceInfo destAi = dest.get(i).serviceInfo; 10036 if (destAi.name == filterSi.name 10037 && destAi.packageName == filterSi.packageName) { 10038 return false; 10039 } 10040 } 10041 return true; 10042 } 10043 10044 @Override 10045 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10046 return new PackageParser.ServiceIntentInfo[size]; 10047 } 10048 10049 @Override 10050 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10051 if (!sUserManager.exists(userId)) return true; 10052 PackageParser.Package p = filter.service.owner; 10053 if (p != null) { 10054 PackageSetting ps = (PackageSetting)p.mExtras; 10055 if (ps != null) { 10056 // System apps are never considered stopped for purposes of 10057 // filtering, because there may be no way for the user to 10058 // actually re-launch them. 10059 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10060 && ps.getStopped(userId); 10061 } 10062 } 10063 return false; 10064 } 10065 10066 @Override 10067 protected boolean isPackageForFilter(String packageName, 10068 PackageParser.ServiceIntentInfo info) { 10069 return packageName.equals(info.service.owner.packageName); 10070 } 10071 10072 @Override 10073 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10074 int match, int userId) { 10075 if (!sUserManager.exists(userId)) return null; 10076 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10077 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10078 return null; 10079 } 10080 final PackageParser.Service service = info.service; 10081 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10082 if (ps == null) { 10083 return null; 10084 } 10085 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10086 ps.readUserState(userId), userId); 10087 if (si == null) { 10088 return null; 10089 } 10090 final ResolveInfo res = new ResolveInfo(); 10091 res.serviceInfo = si; 10092 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10093 res.filter = filter; 10094 } 10095 res.priority = info.getPriority(); 10096 res.preferredOrder = service.owner.mPreferredOrder; 10097 res.match = match; 10098 res.isDefault = info.hasDefault; 10099 res.labelRes = info.labelRes; 10100 res.nonLocalizedLabel = info.nonLocalizedLabel; 10101 res.icon = info.icon; 10102 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10103 return res; 10104 } 10105 10106 @Override 10107 protected void sortResults(List<ResolveInfo> results) { 10108 Collections.sort(results, mResolvePrioritySorter); 10109 } 10110 10111 @Override 10112 protected void dumpFilter(PrintWriter out, String prefix, 10113 PackageParser.ServiceIntentInfo filter) { 10114 out.print(prefix); out.print( 10115 Integer.toHexString(System.identityHashCode(filter.service))); 10116 out.print(' '); 10117 filter.service.printComponentShortName(out); 10118 out.print(" filter "); 10119 out.println(Integer.toHexString(System.identityHashCode(filter))); 10120 } 10121 10122 @Override 10123 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10124 return filter.service; 10125 } 10126 10127 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10128 PackageParser.Service service = (PackageParser.Service)label; 10129 out.print(prefix); out.print( 10130 Integer.toHexString(System.identityHashCode(service))); 10131 out.print(' '); 10132 service.printComponentShortName(out); 10133 if (count > 1) { 10134 out.print(" ("); out.print(count); out.print(" filters)"); 10135 } 10136 out.println(); 10137 } 10138 10139// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10140// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10141// final List<ResolveInfo> retList = Lists.newArrayList(); 10142// while (i.hasNext()) { 10143// final ResolveInfo resolveInfo = (ResolveInfo) i; 10144// if (isEnabledLP(resolveInfo.serviceInfo)) { 10145// retList.add(resolveInfo); 10146// } 10147// } 10148// return retList; 10149// } 10150 10151 // Keys are String (activity class name), values are Activity. 10152 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10153 = new ArrayMap<ComponentName, PackageParser.Service>(); 10154 private int mFlags; 10155 }; 10156 10157 private final class ProviderIntentResolver 10158 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10159 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10160 boolean defaultOnly, int userId) { 10161 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10162 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10163 } 10164 10165 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10166 int userId) { 10167 if (!sUserManager.exists(userId)) 10168 return null; 10169 mFlags = flags; 10170 return super.queryIntent(intent, resolvedType, 10171 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10172 } 10173 10174 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10175 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10176 if (!sUserManager.exists(userId)) 10177 return null; 10178 if (packageProviders == null) { 10179 return null; 10180 } 10181 mFlags = flags; 10182 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10183 final int N = packageProviders.size(); 10184 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10185 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10186 10187 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10188 for (int i = 0; i < N; ++i) { 10189 intentFilters = packageProviders.get(i).intents; 10190 if (intentFilters != null && intentFilters.size() > 0) { 10191 PackageParser.ProviderIntentInfo[] array = 10192 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10193 intentFilters.toArray(array); 10194 listCut.add(array); 10195 } 10196 } 10197 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10198 } 10199 10200 public final void addProvider(PackageParser.Provider p) { 10201 if (mProviders.containsKey(p.getComponentName())) { 10202 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10203 return; 10204 } 10205 10206 mProviders.put(p.getComponentName(), p); 10207 if (DEBUG_SHOW_INFO) { 10208 Log.v(TAG, " " 10209 + (p.info.nonLocalizedLabel != null 10210 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10211 Log.v(TAG, " Class=" + p.info.name); 10212 } 10213 final int NI = p.intents.size(); 10214 int j; 10215 for (j = 0; j < NI; j++) { 10216 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10217 if (DEBUG_SHOW_INFO) { 10218 Log.v(TAG, " IntentFilter:"); 10219 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10220 } 10221 if (!intent.debugCheck()) { 10222 Log.w(TAG, "==> For Provider " + p.info.name); 10223 } 10224 addFilter(intent); 10225 } 10226 } 10227 10228 public final void removeProvider(PackageParser.Provider p) { 10229 mProviders.remove(p.getComponentName()); 10230 if (DEBUG_SHOW_INFO) { 10231 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10232 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10233 Log.v(TAG, " Class=" + p.info.name); 10234 } 10235 final int NI = p.intents.size(); 10236 int j; 10237 for (j = 0; j < NI; j++) { 10238 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10239 if (DEBUG_SHOW_INFO) { 10240 Log.v(TAG, " IntentFilter:"); 10241 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10242 } 10243 removeFilter(intent); 10244 } 10245 } 10246 10247 @Override 10248 protected boolean allowFilterResult( 10249 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10250 ProviderInfo filterPi = filter.provider.info; 10251 for (int i = dest.size() - 1; i >= 0; i--) { 10252 ProviderInfo destPi = dest.get(i).providerInfo; 10253 if (destPi.name == filterPi.name 10254 && destPi.packageName == filterPi.packageName) { 10255 return false; 10256 } 10257 } 10258 return true; 10259 } 10260 10261 @Override 10262 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10263 return new PackageParser.ProviderIntentInfo[size]; 10264 } 10265 10266 @Override 10267 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10268 if (!sUserManager.exists(userId)) 10269 return true; 10270 PackageParser.Package p = filter.provider.owner; 10271 if (p != null) { 10272 PackageSetting ps = (PackageSetting) p.mExtras; 10273 if (ps != null) { 10274 // System apps are never considered stopped for purposes of 10275 // filtering, because there may be no way for the user to 10276 // actually re-launch them. 10277 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10278 && ps.getStopped(userId); 10279 } 10280 } 10281 return false; 10282 } 10283 10284 @Override 10285 protected boolean isPackageForFilter(String packageName, 10286 PackageParser.ProviderIntentInfo info) { 10287 return packageName.equals(info.provider.owner.packageName); 10288 } 10289 10290 @Override 10291 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10292 int match, int userId) { 10293 if (!sUserManager.exists(userId)) 10294 return null; 10295 final PackageParser.ProviderIntentInfo info = filter; 10296 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10297 return null; 10298 } 10299 final PackageParser.Provider provider = info.provider; 10300 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10301 if (ps == null) { 10302 return null; 10303 } 10304 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10305 ps.readUserState(userId), userId); 10306 if (pi == null) { 10307 return null; 10308 } 10309 final ResolveInfo res = new ResolveInfo(); 10310 res.providerInfo = pi; 10311 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10312 res.filter = filter; 10313 } 10314 res.priority = info.getPriority(); 10315 res.preferredOrder = provider.owner.mPreferredOrder; 10316 res.match = match; 10317 res.isDefault = info.hasDefault; 10318 res.labelRes = info.labelRes; 10319 res.nonLocalizedLabel = info.nonLocalizedLabel; 10320 res.icon = info.icon; 10321 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10322 return res; 10323 } 10324 10325 @Override 10326 protected void sortResults(List<ResolveInfo> results) { 10327 Collections.sort(results, mResolvePrioritySorter); 10328 } 10329 10330 @Override 10331 protected void dumpFilter(PrintWriter out, String prefix, 10332 PackageParser.ProviderIntentInfo filter) { 10333 out.print(prefix); 10334 out.print( 10335 Integer.toHexString(System.identityHashCode(filter.provider))); 10336 out.print(' '); 10337 filter.provider.printComponentShortName(out); 10338 out.print(" filter "); 10339 out.println(Integer.toHexString(System.identityHashCode(filter))); 10340 } 10341 10342 @Override 10343 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10344 return filter.provider; 10345 } 10346 10347 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10348 PackageParser.Provider provider = (PackageParser.Provider)label; 10349 out.print(prefix); out.print( 10350 Integer.toHexString(System.identityHashCode(provider))); 10351 out.print(' '); 10352 provider.printComponentShortName(out); 10353 if (count > 1) { 10354 out.print(" ("); out.print(count); out.print(" filters)"); 10355 } 10356 out.println(); 10357 } 10358 10359 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10360 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10361 private int mFlags; 10362 } 10363 10364 private static final class EphemeralIntentResolver 10365 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10366 @Override 10367 protected EphemeralResolveIntentInfo[] newArray(int size) { 10368 return new EphemeralResolveIntentInfo[size]; 10369 } 10370 10371 @Override 10372 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10373 return true; 10374 } 10375 10376 @Override 10377 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10378 int userId) { 10379 if (!sUserManager.exists(userId)) { 10380 return null; 10381 } 10382 return info.getEphemeralResolveInfo(); 10383 } 10384 } 10385 10386 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10387 new Comparator<ResolveInfo>() { 10388 public int compare(ResolveInfo r1, ResolveInfo r2) { 10389 int v1 = r1.priority; 10390 int v2 = r2.priority; 10391 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10392 if (v1 != v2) { 10393 return (v1 > v2) ? -1 : 1; 10394 } 10395 v1 = r1.preferredOrder; 10396 v2 = r2.preferredOrder; 10397 if (v1 != v2) { 10398 return (v1 > v2) ? -1 : 1; 10399 } 10400 if (r1.isDefault != r2.isDefault) { 10401 return r1.isDefault ? -1 : 1; 10402 } 10403 v1 = r1.match; 10404 v2 = r2.match; 10405 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10406 if (v1 != v2) { 10407 return (v1 > v2) ? -1 : 1; 10408 } 10409 if (r1.system != r2.system) { 10410 return r1.system ? -1 : 1; 10411 } 10412 if (r1.activityInfo != null) { 10413 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10414 } 10415 if (r1.serviceInfo != null) { 10416 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10417 } 10418 if (r1.providerInfo != null) { 10419 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10420 } 10421 return 0; 10422 } 10423 }; 10424 10425 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10426 new Comparator<ProviderInfo>() { 10427 public int compare(ProviderInfo p1, ProviderInfo p2) { 10428 final int v1 = p1.initOrder; 10429 final int v2 = p2.initOrder; 10430 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10431 } 10432 }; 10433 10434 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10435 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10436 final int[] userIds) { 10437 mHandler.post(new Runnable() { 10438 @Override 10439 public void run() { 10440 try { 10441 final IActivityManager am = ActivityManagerNative.getDefault(); 10442 if (am == null) return; 10443 final int[] resolvedUserIds; 10444 if (userIds == null) { 10445 resolvedUserIds = am.getRunningUserIds(); 10446 } else { 10447 resolvedUserIds = userIds; 10448 } 10449 for (int id : resolvedUserIds) { 10450 final Intent intent = new Intent(action, 10451 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10452 if (extras != null) { 10453 intent.putExtras(extras); 10454 } 10455 if (targetPkg != null) { 10456 intent.setPackage(targetPkg); 10457 } 10458 // Modify the UID when posting to other users 10459 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10460 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10461 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10462 intent.putExtra(Intent.EXTRA_UID, uid); 10463 } 10464 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10465 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10466 if (DEBUG_BROADCASTS) { 10467 RuntimeException here = new RuntimeException("here"); 10468 here.fillInStackTrace(); 10469 Slog.d(TAG, "Sending to user " + id + ": " 10470 + intent.toShortString(false, true, false, false) 10471 + " " + intent.getExtras(), here); 10472 } 10473 am.broadcastIntent(null, intent, null, finishedReceiver, 10474 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10475 null, finishedReceiver != null, false, id); 10476 } 10477 } catch (RemoteException ex) { 10478 } 10479 } 10480 }); 10481 } 10482 10483 /** 10484 * Check if the external storage media is available. This is true if there 10485 * is a mounted external storage medium or if the external storage is 10486 * emulated. 10487 */ 10488 private boolean isExternalMediaAvailable() { 10489 return mMediaMounted || Environment.isExternalStorageEmulated(); 10490 } 10491 10492 @Override 10493 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10494 // writer 10495 synchronized (mPackages) { 10496 if (!isExternalMediaAvailable()) { 10497 // If the external storage is no longer mounted at this point, 10498 // the caller may not have been able to delete all of this 10499 // packages files and can not delete any more. Bail. 10500 return null; 10501 } 10502 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10503 if (lastPackage != null) { 10504 pkgs.remove(lastPackage); 10505 } 10506 if (pkgs.size() > 0) { 10507 return pkgs.get(0); 10508 } 10509 } 10510 return null; 10511 } 10512 10513 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10514 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10515 userId, andCode ? 1 : 0, packageName); 10516 if (mSystemReady) { 10517 msg.sendToTarget(); 10518 } else { 10519 if (mPostSystemReadyMessages == null) { 10520 mPostSystemReadyMessages = new ArrayList<>(); 10521 } 10522 mPostSystemReadyMessages.add(msg); 10523 } 10524 } 10525 10526 void startCleaningPackages() { 10527 // reader 10528 if (!isExternalMediaAvailable()) { 10529 return; 10530 } 10531 synchronized (mPackages) { 10532 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10533 return; 10534 } 10535 } 10536 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10537 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10538 IActivityManager am = ActivityManagerNative.getDefault(); 10539 if (am != null) { 10540 try { 10541 am.startService(null, intent, null, mContext.getOpPackageName(), 10542 UserHandle.USER_SYSTEM); 10543 } catch (RemoteException e) { 10544 } 10545 } 10546 } 10547 10548 @Override 10549 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10550 int installFlags, String installerPackageName, int userId) { 10551 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10552 10553 final int callingUid = Binder.getCallingUid(); 10554 enforceCrossUserPermission(callingUid, userId, 10555 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 10556 10557 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10558 try { 10559 if (observer != null) { 10560 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10561 } 10562 } catch (RemoteException re) { 10563 } 10564 return; 10565 } 10566 10567 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10568 installFlags |= PackageManager.INSTALL_FROM_ADB; 10569 10570 } else { 10571 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10572 // about installerPackageName. 10573 10574 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10575 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10576 } 10577 10578 UserHandle user; 10579 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10580 user = UserHandle.ALL; 10581 } else { 10582 user = new UserHandle(userId); 10583 } 10584 10585 // Only system components can circumvent runtime permissions when installing. 10586 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10587 && mContext.checkCallingOrSelfPermission(Manifest.permission 10588 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10589 throw new SecurityException("You need the " 10590 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10591 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10592 } 10593 10594 final File originFile = new File(originPath); 10595 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10596 10597 final Message msg = mHandler.obtainMessage(INIT_COPY); 10598 final VerificationInfo verificationInfo = new VerificationInfo( 10599 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 10600 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 10601 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 10602 null /*packageAbiOverride*/, null /*grantedPermissions*/); 10603 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10604 msg.obj = params; 10605 10606 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10607 System.identityHashCode(msg.obj)); 10608 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10609 System.identityHashCode(msg.obj)); 10610 10611 mHandler.sendMessage(msg); 10612 } 10613 10614 void installStage(String packageName, File stagedDir, String stagedCid, 10615 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10616 String installerPackageName, int installerUid, UserHandle user) { 10617 if (DEBUG_EPHEMERAL) { 10618 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10619 Slog.d(TAG, "Ephemeral install of " + packageName); 10620 } 10621 } 10622 final VerificationInfo verificationInfo = new VerificationInfo( 10623 sessionParams.originatingUri, sessionParams.referrerUri, 10624 sessionParams.originatingUid, installerUid); 10625 10626 final OriginInfo origin; 10627 if (stagedDir != null) { 10628 origin = OriginInfo.fromStagedFile(stagedDir); 10629 } else { 10630 origin = OriginInfo.fromStagedContainer(stagedCid); 10631 } 10632 10633 final Message msg = mHandler.obtainMessage(INIT_COPY); 10634 final InstallParams params = new InstallParams(origin, null, observer, 10635 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10636 verificationInfo, user, sessionParams.abiOverride, 10637 sessionParams.grantedRuntimePermissions); 10638 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10639 msg.obj = params; 10640 10641 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10642 System.identityHashCode(msg.obj)); 10643 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10644 System.identityHashCode(msg.obj)); 10645 10646 mHandler.sendMessage(msg); 10647 } 10648 10649 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 10650 int userId) { 10651 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10652 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 10653 } 10654 10655 private void sendPackageAddedForUser(String packageName, boolean isSystem, 10656 int appId, int userId) { 10657 Bundle extras = new Bundle(1); 10658 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 10659 10660 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10661 packageName, extras, 0, null, null, new int[] {userId}); 10662 try { 10663 IActivityManager am = ActivityManagerNative.getDefault(); 10664 if (isSystem && am.isUserRunning(userId, 0)) { 10665 // The just-installed/enabled app is bundled on the system, so presumed 10666 // to be able to run automatically without needing an explicit launch. 10667 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10668 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10669 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10670 .setPackage(packageName); 10671 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10672 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10673 } 10674 } catch (RemoteException e) { 10675 // shouldn't happen 10676 Slog.w(TAG, "Unable to bootstrap installed package", e); 10677 } 10678 } 10679 10680 @Override 10681 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10682 int userId) { 10683 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10684 PackageSetting pkgSetting; 10685 final int uid = Binder.getCallingUid(); 10686 enforceCrossUserPermission(uid, userId, 10687 true /* requireFullPermission */, true /* checkShell */, 10688 "setApplicationHiddenSetting for user " + userId); 10689 10690 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10691 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10692 return false; 10693 } 10694 10695 long callingId = Binder.clearCallingIdentity(); 10696 try { 10697 boolean sendAdded = false; 10698 boolean sendRemoved = false; 10699 // writer 10700 synchronized (mPackages) { 10701 pkgSetting = mSettings.mPackages.get(packageName); 10702 if (pkgSetting == null) { 10703 return false; 10704 } 10705 if (pkgSetting.getHidden(userId) != hidden) { 10706 pkgSetting.setHidden(hidden, userId); 10707 mSettings.writePackageRestrictionsLPr(userId); 10708 if (hidden) { 10709 sendRemoved = true; 10710 } else { 10711 sendAdded = true; 10712 } 10713 } 10714 } 10715 if (sendAdded) { 10716 sendPackageAddedForUser(packageName, pkgSetting, userId); 10717 return true; 10718 } 10719 if (sendRemoved) { 10720 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10721 "hiding pkg"); 10722 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10723 return true; 10724 } 10725 } finally { 10726 Binder.restoreCallingIdentity(callingId); 10727 } 10728 return false; 10729 } 10730 10731 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10732 int userId) { 10733 final PackageRemovedInfo info = new PackageRemovedInfo(); 10734 info.removedPackage = packageName; 10735 info.removedUsers = new int[] {userId}; 10736 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10737 info.sendPackageRemovedBroadcasts(true /*killApp*/); 10738 } 10739 10740 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 10741 if (pkgList.length > 0) { 10742 Bundle extras = new Bundle(1); 10743 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 10744 10745 sendPackageBroadcast( 10746 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 10747 : Intent.ACTION_PACKAGES_UNSUSPENDED, 10748 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 10749 new int[] {userId}); 10750 } 10751 } 10752 10753 /** 10754 * Returns true if application is not found or there was an error. Otherwise it returns 10755 * the hidden state of the package for the given user. 10756 */ 10757 @Override 10758 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10759 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10760 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10761 true /* requireFullPermission */, false /* checkShell */, 10762 "getApplicationHidden for user " + userId); 10763 PackageSetting pkgSetting; 10764 long callingId = Binder.clearCallingIdentity(); 10765 try { 10766 // writer 10767 synchronized (mPackages) { 10768 pkgSetting = mSettings.mPackages.get(packageName); 10769 if (pkgSetting == null) { 10770 return true; 10771 } 10772 return pkgSetting.getHidden(userId); 10773 } 10774 } finally { 10775 Binder.restoreCallingIdentity(callingId); 10776 } 10777 } 10778 10779 /** 10780 * @hide 10781 */ 10782 @Override 10783 public int installExistingPackageAsUser(String packageName, int userId) { 10784 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10785 null); 10786 PackageSetting pkgSetting; 10787 final int uid = Binder.getCallingUid(); 10788 enforceCrossUserPermission(uid, userId, 10789 true /* requireFullPermission */, true /* checkShell */, 10790 "installExistingPackage for user " + userId); 10791 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10792 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10793 } 10794 10795 long callingId = Binder.clearCallingIdentity(); 10796 try { 10797 boolean installed = false; 10798 10799 // writer 10800 synchronized (mPackages) { 10801 pkgSetting = mSettings.mPackages.get(packageName); 10802 if (pkgSetting == null) { 10803 return PackageManager.INSTALL_FAILED_INVALID_URI; 10804 } 10805 if (!pkgSetting.getInstalled(userId)) { 10806 pkgSetting.setInstalled(true, userId); 10807 pkgSetting.setHidden(false, userId); 10808 mSettings.writePackageRestrictionsLPr(userId); 10809 installed = true; 10810 } 10811 } 10812 10813 if (installed) { 10814 if (pkgSetting.pkg != null) { 10815 prepareAppDataAfterInstall(pkgSetting.pkg); 10816 } 10817 sendPackageAddedForUser(packageName, pkgSetting, userId); 10818 } 10819 } finally { 10820 Binder.restoreCallingIdentity(callingId); 10821 } 10822 10823 return PackageManager.INSTALL_SUCCEEDED; 10824 } 10825 10826 boolean isUserRestricted(int userId, String restrictionKey) { 10827 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10828 if (restrictions.getBoolean(restrictionKey, false)) { 10829 Log.w(TAG, "User is restricted: " + restrictionKey); 10830 return true; 10831 } 10832 return false; 10833 } 10834 10835 @Override 10836 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 10837 int userId) { 10838 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10839 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10840 true /* requireFullPermission */, true /* checkShell */, 10841 "setPackagesSuspended for user " + userId); 10842 10843 if (ArrayUtils.isEmpty(packageNames)) { 10844 return packageNames; 10845 } 10846 10847 // List of package names for whom the suspended state has changed. 10848 List<String> changedPackages = new ArrayList<>(packageNames.length); 10849 // List of package names for whom the suspended state is not set as requested in this 10850 // method. 10851 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 10852 for (int i = 0; i < packageNames.length; i++) { 10853 String packageName = packageNames[i]; 10854 long callingId = Binder.clearCallingIdentity(); 10855 try { 10856 boolean changed = false; 10857 final int appId; 10858 synchronized (mPackages) { 10859 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10860 if (pkgSetting == null) { 10861 Slog.w(TAG, "Could not find package setting for package \"" + packageName 10862 + "\". Skipping suspending/un-suspending."); 10863 unactionedPackages.add(packageName); 10864 continue; 10865 } 10866 appId = pkgSetting.appId; 10867 if (pkgSetting.getSuspended(userId) != suspended) { 10868 if (!canSuspendPackageForUserLocked(packageName, userId)) { 10869 unactionedPackages.add(packageName); 10870 continue; 10871 } 10872 pkgSetting.setSuspended(suspended, userId); 10873 mSettings.writePackageRestrictionsLPr(userId); 10874 changed = true; 10875 changedPackages.add(packageName); 10876 } 10877 } 10878 10879 if (changed && suspended) { 10880 killApplication(packageName, UserHandle.getUid(userId, appId), 10881 "suspending package"); 10882 } 10883 } finally { 10884 Binder.restoreCallingIdentity(callingId); 10885 } 10886 } 10887 10888 if (!changedPackages.isEmpty()) { 10889 sendPackagesSuspendedForUser(changedPackages.toArray( 10890 new String[changedPackages.size()]), userId, suspended); 10891 } 10892 10893 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 10894 } 10895 10896 @Override 10897 public boolean isPackageSuspendedForUser(String packageName, int userId) { 10898 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10899 true /* requireFullPermission */, false /* checkShell */, 10900 "isPackageSuspendedForUser for user " + userId); 10901 synchronized (mPackages) { 10902 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10903 return pkgSetting != null && pkgSetting.getSuspended(userId); 10904 } 10905 } 10906 10907 /** 10908 * TODO: cache and disallow blocking the active dialer. 10909 * 10910 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 10911 */ 10912 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 10913 if (isPackageDeviceAdmin(packageName, userId)) { 10914 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10915 + "\": has an active device admin"); 10916 return false; 10917 } 10918 10919 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 10920 if (packageName.equals(activeLauncherPackageName)) { 10921 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10922 + "\": contains the active launcher"); 10923 return false; 10924 } 10925 10926 if (packageName.equals(mRequiredInstallerPackage)) { 10927 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10928 + "\": required for package installation"); 10929 return false; 10930 } 10931 10932 if (packageName.equals(mRequiredVerifierPackage)) { 10933 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10934 + "\": required for package verification"); 10935 return false; 10936 } 10937 10938 final PackageParser.Package pkg = mPackages.get(packageName); 10939 if (pkg != null && isPrivilegedApp(pkg)) { 10940 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10941 + "\": is a privileged app"); 10942 return false; 10943 } 10944 10945 return true; 10946 } 10947 10948 private String getActiveLauncherPackageName(int userId) { 10949 Intent intent = new Intent(Intent.ACTION_MAIN); 10950 intent.addCategory(Intent.CATEGORY_HOME); 10951 ResolveInfo resolveInfo = resolveIntent( 10952 intent, 10953 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 10954 PackageManager.MATCH_DEFAULT_ONLY, 10955 userId); 10956 10957 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 10958 } 10959 10960 @Override 10961 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10962 mContext.enforceCallingOrSelfPermission( 10963 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10964 "Only package verification agents can verify applications"); 10965 10966 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10967 final PackageVerificationResponse response = new PackageVerificationResponse( 10968 verificationCode, Binder.getCallingUid()); 10969 msg.arg1 = id; 10970 msg.obj = response; 10971 mHandler.sendMessage(msg); 10972 } 10973 10974 @Override 10975 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10976 long millisecondsToDelay) { 10977 mContext.enforceCallingOrSelfPermission( 10978 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10979 "Only package verification agents can extend verification timeouts"); 10980 10981 final PackageVerificationState state = mPendingVerification.get(id); 10982 final PackageVerificationResponse response = new PackageVerificationResponse( 10983 verificationCodeAtTimeout, Binder.getCallingUid()); 10984 10985 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10986 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10987 } 10988 if (millisecondsToDelay < 0) { 10989 millisecondsToDelay = 0; 10990 } 10991 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10992 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10993 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10994 } 10995 10996 if ((state != null) && !state.timeoutExtended()) { 10997 state.extendTimeout(); 10998 10999 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11000 msg.arg1 = id; 11001 msg.obj = response; 11002 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11003 } 11004 } 11005 11006 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11007 int verificationCode, UserHandle user) { 11008 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11009 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11010 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11011 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11012 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11013 11014 mContext.sendBroadcastAsUser(intent, user, 11015 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11016 } 11017 11018 private ComponentName matchComponentForVerifier(String packageName, 11019 List<ResolveInfo> receivers) { 11020 ActivityInfo targetReceiver = null; 11021 11022 final int NR = receivers.size(); 11023 for (int i = 0; i < NR; i++) { 11024 final ResolveInfo info = receivers.get(i); 11025 if (info.activityInfo == null) { 11026 continue; 11027 } 11028 11029 if (packageName.equals(info.activityInfo.packageName)) { 11030 targetReceiver = info.activityInfo; 11031 break; 11032 } 11033 } 11034 11035 if (targetReceiver == null) { 11036 return null; 11037 } 11038 11039 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11040 } 11041 11042 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11043 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11044 if (pkgInfo.verifiers.length == 0) { 11045 return null; 11046 } 11047 11048 final int N = pkgInfo.verifiers.length; 11049 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11050 for (int i = 0; i < N; i++) { 11051 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11052 11053 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11054 receivers); 11055 if (comp == null) { 11056 continue; 11057 } 11058 11059 final int verifierUid = getUidForVerifier(verifierInfo); 11060 if (verifierUid == -1) { 11061 continue; 11062 } 11063 11064 if (DEBUG_VERIFY) { 11065 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11066 + " with the correct signature"); 11067 } 11068 sufficientVerifiers.add(comp); 11069 verificationState.addSufficientVerifier(verifierUid); 11070 } 11071 11072 return sufficientVerifiers; 11073 } 11074 11075 private int getUidForVerifier(VerifierInfo verifierInfo) { 11076 synchronized (mPackages) { 11077 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11078 if (pkg == null) { 11079 return -1; 11080 } else if (pkg.mSignatures.length != 1) { 11081 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11082 + " has more than one signature; ignoring"); 11083 return -1; 11084 } 11085 11086 /* 11087 * If the public key of the package's signature does not match 11088 * our expected public key, then this is a different package and 11089 * we should skip. 11090 */ 11091 11092 final byte[] expectedPublicKey; 11093 try { 11094 final Signature verifierSig = pkg.mSignatures[0]; 11095 final PublicKey publicKey = verifierSig.getPublicKey(); 11096 expectedPublicKey = publicKey.getEncoded(); 11097 } catch (CertificateException e) { 11098 return -1; 11099 } 11100 11101 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11102 11103 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11104 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11105 + " does not have the expected public key; ignoring"); 11106 return -1; 11107 } 11108 11109 return pkg.applicationInfo.uid; 11110 } 11111 } 11112 11113 @Override 11114 public void finishPackageInstall(int token) { 11115 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11116 11117 if (DEBUG_INSTALL) { 11118 Slog.v(TAG, "BM finishing package install for " + token); 11119 } 11120 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11121 11122 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11123 mHandler.sendMessage(msg); 11124 } 11125 11126 /** 11127 * Get the verification agent timeout. 11128 * 11129 * @return verification timeout in milliseconds 11130 */ 11131 private long getVerificationTimeout() { 11132 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11133 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11134 DEFAULT_VERIFICATION_TIMEOUT); 11135 } 11136 11137 /** 11138 * Get the default verification agent response code. 11139 * 11140 * @return default verification response code 11141 */ 11142 private int getDefaultVerificationResponse() { 11143 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11144 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11145 DEFAULT_VERIFICATION_RESPONSE); 11146 } 11147 11148 /** 11149 * Check whether or not package verification has been enabled. 11150 * 11151 * @return true if verification should be performed 11152 */ 11153 private boolean isVerificationEnabled(int userId, int installFlags) { 11154 if (!DEFAULT_VERIFY_ENABLE) { 11155 return false; 11156 } 11157 // Ephemeral apps don't get the full verification treatment 11158 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11159 if (DEBUG_EPHEMERAL) { 11160 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11161 } 11162 return false; 11163 } 11164 11165 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11166 11167 // Check if installing from ADB 11168 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11169 // Do not run verification in a test harness environment 11170 if (ActivityManager.isRunningInTestHarness()) { 11171 return false; 11172 } 11173 if (ensureVerifyAppsEnabled) { 11174 return true; 11175 } 11176 // Check if the developer does not want package verification for ADB installs 11177 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11178 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11179 return false; 11180 } 11181 } 11182 11183 if (ensureVerifyAppsEnabled) { 11184 return true; 11185 } 11186 11187 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11188 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11189 } 11190 11191 @Override 11192 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11193 throws RemoteException { 11194 mContext.enforceCallingOrSelfPermission( 11195 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11196 "Only intentfilter verification agents can verify applications"); 11197 11198 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11199 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11200 Binder.getCallingUid(), verificationCode, failedDomains); 11201 msg.arg1 = id; 11202 msg.obj = response; 11203 mHandler.sendMessage(msg); 11204 } 11205 11206 @Override 11207 public int getIntentVerificationStatus(String packageName, int userId) { 11208 synchronized (mPackages) { 11209 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11210 } 11211 } 11212 11213 @Override 11214 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11215 mContext.enforceCallingOrSelfPermission( 11216 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11217 11218 boolean result = false; 11219 synchronized (mPackages) { 11220 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11221 } 11222 if (result) { 11223 scheduleWritePackageRestrictionsLocked(userId); 11224 } 11225 return result; 11226 } 11227 11228 @Override 11229 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11230 String packageName) { 11231 synchronized (mPackages) { 11232 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11233 } 11234 } 11235 11236 @Override 11237 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11238 if (TextUtils.isEmpty(packageName)) { 11239 return ParceledListSlice.emptyList(); 11240 } 11241 synchronized (mPackages) { 11242 PackageParser.Package pkg = mPackages.get(packageName); 11243 if (pkg == null || pkg.activities == null) { 11244 return ParceledListSlice.emptyList(); 11245 } 11246 final int count = pkg.activities.size(); 11247 ArrayList<IntentFilter> result = new ArrayList<>(); 11248 for (int n=0; n<count; n++) { 11249 PackageParser.Activity activity = pkg.activities.get(n); 11250 if (activity.intents != null && activity.intents.size() > 0) { 11251 result.addAll(activity.intents); 11252 } 11253 } 11254 return new ParceledListSlice<>(result); 11255 } 11256 } 11257 11258 @Override 11259 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11260 mContext.enforceCallingOrSelfPermission( 11261 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11262 11263 synchronized (mPackages) { 11264 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11265 if (packageName != null) { 11266 result |= updateIntentVerificationStatus(packageName, 11267 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11268 userId); 11269 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11270 packageName, userId); 11271 } 11272 return result; 11273 } 11274 } 11275 11276 @Override 11277 public String getDefaultBrowserPackageName(int userId) { 11278 synchronized (mPackages) { 11279 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11280 } 11281 } 11282 11283 /** 11284 * Get the "allow unknown sources" setting. 11285 * 11286 * @return the current "allow unknown sources" setting 11287 */ 11288 private int getUnknownSourcesSettings() { 11289 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11290 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 11291 -1); 11292 } 11293 11294 @Override 11295 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11296 final int uid = Binder.getCallingUid(); 11297 // writer 11298 synchronized (mPackages) { 11299 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11300 if (targetPackageSetting == null) { 11301 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11302 } 11303 11304 PackageSetting installerPackageSetting; 11305 if (installerPackageName != null) { 11306 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11307 if (installerPackageSetting == null) { 11308 throw new IllegalArgumentException("Unknown installer package: " 11309 + installerPackageName); 11310 } 11311 } else { 11312 installerPackageSetting = null; 11313 } 11314 11315 Signature[] callerSignature; 11316 Object obj = mSettings.getUserIdLPr(uid); 11317 if (obj != null) { 11318 if (obj instanceof SharedUserSetting) { 11319 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11320 } else if (obj instanceof PackageSetting) { 11321 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11322 } else { 11323 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11324 } 11325 } else { 11326 throw new SecurityException("Unknown calling UID: " + uid); 11327 } 11328 11329 // Verify: can't set installerPackageName to a package that is 11330 // not signed with the same cert as the caller. 11331 if (installerPackageSetting != null) { 11332 if (compareSignatures(callerSignature, 11333 installerPackageSetting.signatures.mSignatures) 11334 != PackageManager.SIGNATURE_MATCH) { 11335 throw new SecurityException( 11336 "Caller does not have same cert as new installer package " 11337 + installerPackageName); 11338 } 11339 } 11340 11341 // Verify: if target already has an installer package, it must 11342 // be signed with the same cert as the caller. 11343 if (targetPackageSetting.installerPackageName != null) { 11344 PackageSetting setting = mSettings.mPackages.get( 11345 targetPackageSetting.installerPackageName); 11346 // If the currently set package isn't valid, then it's always 11347 // okay to change it. 11348 if (setting != null) { 11349 if (compareSignatures(callerSignature, 11350 setting.signatures.mSignatures) 11351 != PackageManager.SIGNATURE_MATCH) { 11352 throw new SecurityException( 11353 "Caller does not have same cert as old installer package " 11354 + targetPackageSetting.installerPackageName); 11355 } 11356 } 11357 } 11358 11359 // Okay! 11360 targetPackageSetting.installerPackageName = installerPackageName; 11361 scheduleWriteSettingsLocked(); 11362 } 11363 } 11364 11365 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11366 // Queue up an async operation since the package installation may take a little while. 11367 mHandler.post(new Runnable() { 11368 public void run() { 11369 mHandler.removeCallbacks(this); 11370 // Result object to be returned 11371 PackageInstalledInfo res = new PackageInstalledInfo(); 11372 res.setReturnCode(currentStatus); 11373 res.uid = -1; 11374 res.pkg = null; 11375 res.removedInfo = null; 11376 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11377 args.doPreInstall(res.returnCode); 11378 synchronized (mInstallLock) { 11379 installPackageTracedLI(args, res); 11380 } 11381 args.doPostInstall(res.returnCode, res.uid); 11382 } 11383 11384 // A restore should be performed at this point if (a) the install 11385 // succeeded, (b) the operation is not an update, and (c) the new 11386 // package has not opted out of backup participation. 11387 final boolean update = res.removedInfo != null 11388 && res.removedInfo.removedPackage != null; 11389 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11390 boolean doRestore = !update 11391 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11392 11393 // Set up the post-install work request bookkeeping. This will be used 11394 // and cleaned up by the post-install event handling regardless of whether 11395 // there's a restore pass performed. Token values are >= 1. 11396 int token; 11397 if (mNextInstallToken < 0) mNextInstallToken = 1; 11398 token = mNextInstallToken++; 11399 11400 PostInstallData data = new PostInstallData(args, res); 11401 mRunningInstalls.put(token, data); 11402 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11403 11404 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11405 // Pass responsibility to the Backup Manager. It will perform a 11406 // restore if appropriate, then pass responsibility back to the 11407 // Package Manager to run the post-install observer callbacks 11408 // and broadcasts. 11409 IBackupManager bm = IBackupManager.Stub.asInterface( 11410 ServiceManager.getService(Context.BACKUP_SERVICE)); 11411 if (bm != null) { 11412 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11413 + " to BM for possible restore"); 11414 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11415 try { 11416 // TODO: http://b/22388012 11417 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11418 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11419 } else { 11420 doRestore = false; 11421 } 11422 } catch (RemoteException e) { 11423 // can't happen; the backup manager is local 11424 } catch (Exception e) { 11425 Slog.e(TAG, "Exception trying to enqueue restore", e); 11426 doRestore = false; 11427 } 11428 } else { 11429 Slog.e(TAG, "Backup Manager not found!"); 11430 doRestore = false; 11431 } 11432 } 11433 11434 if (!doRestore) { 11435 // No restore possible, or the Backup Manager was mysteriously not 11436 // available -- just fire the post-install work request directly. 11437 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11438 11439 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11440 11441 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11442 mHandler.sendMessage(msg); 11443 } 11444 } 11445 }); 11446 } 11447 11448 private abstract class HandlerParams { 11449 private static final int MAX_RETRIES = 4; 11450 11451 /** 11452 * Number of times startCopy() has been attempted and had a non-fatal 11453 * error. 11454 */ 11455 private int mRetries = 0; 11456 11457 /** User handle for the user requesting the information or installation. */ 11458 private final UserHandle mUser; 11459 String traceMethod; 11460 int traceCookie; 11461 11462 HandlerParams(UserHandle user) { 11463 mUser = user; 11464 } 11465 11466 UserHandle getUser() { 11467 return mUser; 11468 } 11469 11470 HandlerParams setTraceMethod(String traceMethod) { 11471 this.traceMethod = traceMethod; 11472 return this; 11473 } 11474 11475 HandlerParams setTraceCookie(int traceCookie) { 11476 this.traceCookie = traceCookie; 11477 return this; 11478 } 11479 11480 final boolean startCopy() { 11481 boolean res; 11482 try { 11483 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11484 11485 if (++mRetries > MAX_RETRIES) { 11486 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11487 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11488 handleServiceError(); 11489 return false; 11490 } else { 11491 handleStartCopy(); 11492 res = true; 11493 } 11494 } catch (RemoteException e) { 11495 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11496 mHandler.sendEmptyMessage(MCS_RECONNECT); 11497 res = false; 11498 } 11499 handleReturnCode(); 11500 return res; 11501 } 11502 11503 final void serviceError() { 11504 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11505 handleServiceError(); 11506 handleReturnCode(); 11507 } 11508 11509 abstract void handleStartCopy() throws RemoteException; 11510 abstract void handleServiceError(); 11511 abstract void handleReturnCode(); 11512 } 11513 11514 class MeasureParams extends HandlerParams { 11515 private final PackageStats mStats; 11516 private boolean mSuccess; 11517 11518 private final IPackageStatsObserver mObserver; 11519 11520 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11521 super(new UserHandle(stats.userHandle)); 11522 mObserver = observer; 11523 mStats = stats; 11524 } 11525 11526 @Override 11527 public String toString() { 11528 return "MeasureParams{" 11529 + Integer.toHexString(System.identityHashCode(this)) 11530 + " " + mStats.packageName + "}"; 11531 } 11532 11533 @Override 11534 void handleStartCopy() throws RemoteException { 11535 synchronized (mInstallLock) { 11536 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11537 } 11538 11539 if (mSuccess) { 11540 final boolean mounted; 11541 if (Environment.isExternalStorageEmulated()) { 11542 mounted = true; 11543 } else { 11544 final String status = Environment.getExternalStorageState(); 11545 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11546 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11547 } 11548 11549 if (mounted) { 11550 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11551 11552 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11553 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11554 11555 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11556 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11557 11558 // Always subtract cache size, since it's a subdirectory 11559 mStats.externalDataSize -= mStats.externalCacheSize; 11560 11561 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11562 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11563 11564 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11565 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11566 } 11567 } 11568 } 11569 11570 @Override 11571 void handleReturnCode() { 11572 if (mObserver != null) { 11573 try { 11574 mObserver.onGetStatsCompleted(mStats, mSuccess); 11575 } catch (RemoteException e) { 11576 Slog.i(TAG, "Observer no longer exists."); 11577 } 11578 } 11579 } 11580 11581 @Override 11582 void handleServiceError() { 11583 Slog.e(TAG, "Could not measure application " + mStats.packageName 11584 + " external storage"); 11585 } 11586 } 11587 11588 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11589 throws RemoteException { 11590 long result = 0; 11591 for (File path : paths) { 11592 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11593 } 11594 return result; 11595 } 11596 11597 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11598 for (File path : paths) { 11599 try { 11600 mcs.clearDirectory(path.getAbsolutePath()); 11601 } catch (RemoteException e) { 11602 } 11603 } 11604 } 11605 11606 static class OriginInfo { 11607 /** 11608 * Location where install is coming from, before it has been 11609 * copied/renamed into place. This could be a single monolithic APK 11610 * file, or a cluster directory. This location may be untrusted. 11611 */ 11612 final File file; 11613 final String cid; 11614 11615 /** 11616 * Flag indicating that {@link #file} or {@link #cid} has already been 11617 * staged, meaning downstream users don't need to defensively copy the 11618 * contents. 11619 */ 11620 final boolean staged; 11621 11622 /** 11623 * Flag indicating that {@link #file} or {@link #cid} is an already 11624 * installed app that is being moved. 11625 */ 11626 final boolean existing; 11627 11628 final String resolvedPath; 11629 final File resolvedFile; 11630 11631 static OriginInfo fromNothing() { 11632 return new OriginInfo(null, null, false, false); 11633 } 11634 11635 static OriginInfo fromUntrustedFile(File file) { 11636 return new OriginInfo(file, null, false, false); 11637 } 11638 11639 static OriginInfo fromExistingFile(File file) { 11640 return new OriginInfo(file, null, false, true); 11641 } 11642 11643 static OriginInfo fromStagedFile(File file) { 11644 return new OriginInfo(file, null, true, false); 11645 } 11646 11647 static OriginInfo fromStagedContainer(String cid) { 11648 return new OriginInfo(null, cid, true, false); 11649 } 11650 11651 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 11652 this.file = file; 11653 this.cid = cid; 11654 this.staged = staged; 11655 this.existing = existing; 11656 11657 if (cid != null) { 11658 resolvedPath = PackageHelper.getSdDir(cid); 11659 resolvedFile = new File(resolvedPath); 11660 } else if (file != null) { 11661 resolvedPath = file.getAbsolutePath(); 11662 resolvedFile = file; 11663 } else { 11664 resolvedPath = null; 11665 resolvedFile = null; 11666 } 11667 } 11668 } 11669 11670 static class MoveInfo { 11671 final int moveId; 11672 final String fromUuid; 11673 final String toUuid; 11674 final String packageName; 11675 final String dataAppName; 11676 final int appId; 11677 final String seinfo; 11678 final int targetSdkVersion; 11679 11680 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11681 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 11682 this.moveId = moveId; 11683 this.fromUuid = fromUuid; 11684 this.toUuid = toUuid; 11685 this.packageName = packageName; 11686 this.dataAppName = dataAppName; 11687 this.appId = appId; 11688 this.seinfo = seinfo; 11689 this.targetSdkVersion = targetSdkVersion; 11690 } 11691 } 11692 11693 static class VerificationInfo { 11694 /** A constant used to indicate that a uid value is not present. */ 11695 public static final int NO_UID = -1; 11696 11697 /** URI referencing where the package was downloaded from. */ 11698 final Uri originatingUri; 11699 11700 /** HTTP referrer URI associated with the originatingURI. */ 11701 final Uri referrer; 11702 11703 /** UID of the application that the install request originated from. */ 11704 final int originatingUid; 11705 11706 /** UID of application requesting the install */ 11707 final int installerUid; 11708 11709 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 11710 this.originatingUri = originatingUri; 11711 this.referrer = referrer; 11712 this.originatingUid = originatingUid; 11713 this.installerUid = installerUid; 11714 } 11715 } 11716 11717 class InstallParams extends HandlerParams { 11718 final OriginInfo origin; 11719 final MoveInfo move; 11720 final IPackageInstallObserver2 observer; 11721 int installFlags; 11722 final String installerPackageName; 11723 final String volumeUuid; 11724 private InstallArgs mArgs; 11725 private int mRet; 11726 final String packageAbiOverride; 11727 final String[] grantedRuntimePermissions; 11728 final VerificationInfo verificationInfo; 11729 11730 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11731 int installFlags, String installerPackageName, String volumeUuid, 11732 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 11733 String[] grantedPermissions) { 11734 super(user); 11735 this.origin = origin; 11736 this.move = move; 11737 this.observer = observer; 11738 this.installFlags = installFlags; 11739 this.installerPackageName = installerPackageName; 11740 this.volumeUuid = volumeUuid; 11741 this.verificationInfo = verificationInfo; 11742 this.packageAbiOverride = packageAbiOverride; 11743 this.grantedRuntimePermissions = grantedPermissions; 11744 } 11745 11746 @Override 11747 public String toString() { 11748 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11749 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11750 } 11751 11752 private int installLocationPolicy(PackageInfoLite pkgLite) { 11753 String packageName = pkgLite.packageName; 11754 int installLocation = pkgLite.installLocation; 11755 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11756 // reader 11757 synchronized (mPackages) { 11758 // Currently installed package which the new package is attempting to replace or 11759 // null if no such package is installed. 11760 PackageParser.Package installedPkg = mPackages.get(packageName); 11761 // Package which currently owns the data which the new package will own if installed. 11762 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 11763 // will be null whereas dataOwnerPkg will contain information about the package 11764 // which was uninstalled while keeping its data. 11765 PackageParser.Package dataOwnerPkg = installedPkg; 11766 if (dataOwnerPkg == null) { 11767 PackageSetting ps = mSettings.mPackages.get(packageName); 11768 if (ps != null) { 11769 dataOwnerPkg = ps.pkg; 11770 } 11771 } 11772 11773 if (dataOwnerPkg != null) { 11774 // If installed, the package will get access to data left on the device by its 11775 // predecessor. As a security measure, this is permited only if this is not a 11776 // version downgrade or if the predecessor package is marked as debuggable and 11777 // a downgrade is explicitly requested. 11778 if (((dataOwnerPkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0) 11779 || ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0)) { 11780 try { 11781 checkDowngrade(dataOwnerPkg, pkgLite); 11782 } catch (PackageManagerException e) { 11783 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11784 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11785 } 11786 } 11787 } 11788 11789 if (installedPkg != null) { 11790 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11791 // Check for updated system application. 11792 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11793 if (onSd) { 11794 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11795 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11796 } 11797 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11798 } else { 11799 if (onSd) { 11800 // Install flag overrides everything. 11801 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11802 } 11803 // If current upgrade specifies particular preference 11804 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11805 // Application explicitly specified internal. 11806 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11807 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11808 // App explictly prefers external. Let policy decide 11809 } else { 11810 // Prefer previous location 11811 if (isExternal(installedPkg)) { 11812 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11813 } 11814 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11815 } 11816 } 11817 } else { 11818 // Invalid install. Return error code 11819 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11820 } 11821 } 11822 } 11823 // All the special cases have been taken care of. 11824 // Return result based on recommended install location. 11825 if (onSd) { 11826 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11827 } 11828 return pkgLite.recommendedInstallLocation; 11829 } 11830 11831 /* 11832 * Invoke remote method to get package information and install 11833 * location values. Override install location based on default 11834 * policy if needed and then create install arguments based 11835 * on the install location. 11836 */ 11837 public void handleStartCopy() throws RemoteException { 11838 int ret = PackageManager.INSTALL_SUCCEEDED; 11839 11840 // If we're already staged, we've firmly committed to an install location 11841 if (origin.staged) { 11842 if (origin.file != null) { 11843 installFlags |= PackageManager.INSTALL_INTERNAL; 11844 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11845 } else if (origin.cid != null) { 11846 installFlags |= PackageManager.INSTALL_EXTERNAL; 11847 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11848 } else { 11849 throw new IllegalStateException("Invalid stage location"); 11850 } 11851 } 11852 11853 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11854 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11855 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11856 PackageInfoLite pkgLite = null; 11857 11858 if (onInt && onSd) { 11859 // Check if both bits are set. 11860 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11861 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11862 } else if (onSd && ephemeral) { 11863 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11864 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11865 } else { 11866 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11867 packageAbiOverride); 11868 11869 if (DEBUG_EPHEMERAL && ephemeral) { 11870 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11871 } 11872 11873 /* 11874 * If we have too little free space, try to free cache 11875 * before giving up. 11876 */ 11877 if (!origin.staged && pkgLite.recommendedInstallLocation 11878 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11879 // TODO: focus freeing disk space on the target device 11880 final StorageManager storage = StorageManager.from(mContext); 11881 final long lowThreshold = storage.getStorageLowBytes( 11882 Environment.getDataDirectory()); 11883 11884 final long sizeBytes = mContainerService.calculateInstalledSize( 11885 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11886 11887 try { 11888 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11889 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11890 installFlags, packageAbiOverride); 11891 } catch (InstallerException e) { 11892 Slog.w(TAG, "Failed to free cache", e); 11893 } 11894 11895 /* 11896 * The cache free must have deleted the file we 11897 * downloaded to install. 11898 * 11899 * TODO: fix the "freeCache" call to not delete 11900 * the file we care about. 11901 */ 11902 if (pkgLite.recommendedInstallLocation 11903 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11904 pkgLite.recommendedInstallLocation 11905 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11906 } 11907 } 11908 } 11909 11910 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11911 int loc = pkgLite.recommendedInstallLocation; 11912 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11913 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11914 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11915 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11916 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11917 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11918 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11919 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11920 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11921 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11922 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11923 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11924 } else { 11925 // Override with defaults if needed. 11926 loc = installLocationPolicy(pkgLite); 11927 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11928 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11929 } else if (!onSd && !onInt) { 11930 // Override install location with flags 11931 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11932 // Set the flag to install on external media. 11933 installFlags |= PackageManager.INSTALL_EXTERNAL; 11934 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11935 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11936 if (DEBUG_EPHEMERAL) { 11937 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11938 } 11939 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11940 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11941 |PackageManager.INSTALL_INTERNAL); 11942 } else { 11943 // Make sure the flag for installing on external 11944 // media is unset 11945 installFlags |= PackageManager.INSTALL_INTERNAL; 11946 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11947 } 11948 } 11949 } 11950 } 11951 11952 final InstallArgs args = createInstallArgs(this); 11953 mArgs = args; 11954 11955 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11956 // TODO: http://b/22976637 11957 // Apps installed for "all" users use the device owner to verify the app 11958 UserHandle verifierUser = getUser(); 11959 if (verifierUser == UserHandle.ALL) { 11960 verifierUser = UserHandle.SYSTEM; 11961 } 11962 11963 /* 11964 * Determine if we have any installed package verifiers. If we 11965 * do, then we'll defer to them to verify the packages. 11966 */ 11967 final int requiredUid = mRequiredVerifierPackage == null ? -1 11968 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11969 verifierUser.getIdentifier()); 11970 if (!origin.existing && requiredUid != -1 11971 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11972 final Intent verification = new Intent( 11973 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11974 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11975 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11976 PACKAGE_MIME_TYPE); 11977 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11978 11979 // Query all live verifiers based on current user state 11980 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 11981 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11982 11983 if (DEBUG_VERIFY) { 11984 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11985 + verification.toString() + " with " + pkgLite.verifiers.length 11986 + " optional verifiers"); 11987 } 11988 11989 final int verificationId = mPendingVerificationToken++; 11990 11991 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11992 11993 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11994 installerPackageName); 11995 11996 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11997 installFlags); 11998 11999 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12000 pkgLite.packageName); 12001 12002 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12003 pkgLite.versionCode); 12004 12005 if (verificationInfo != null) { 12006 if (verificationInfo.originatingUri != null) { 12007 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12008 verificationInfo.originatingUri); 12009 } 12010 if (verificationInfo.referrer != null) { 12011 verification.putExtra(Intent.EXTRA_REFERRER, 12012 verificationInfo.referrer); 12013 } 12014 if (verificationInfo.originatingUid >= 0) { 12015 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12016 verificationInfo.originatingUid); 12017 } 12018 if (verificationInfo.installerUid >= 0) { 12019 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12020 verificationInfo.installerUid); 12021 } 12022 } 12023 12024 final PackageVerificationState verificationState = new PackageVerificationState( 12025 requiredUid, args); 12026 12027 mPendingVerification.append(verificationId, verificationState); 12028 12029 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12030 receivers, verificationState); 12031 12032 /* 12033 * If any sufficient verifiers were listed in the package 12034 * manifest, attempt to ask them. 12035 */ 12036 if (sufficientVerifiers != null) { 12037 final int N = sufficientVerifiers.size(); 12038 if (N == 0) { 12039 Slog.i(TAG, "Additional verifiers required, but none installed."); 12040 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12041 } else { 12042 for (int i = 0; i < N; i++) { 12043 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12044 12045 final Intent sufficientIntent = new Intent(verification); 12046 sufficientIntent.setComponent(verifierComponent); 12047 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12048 } 12049 } 12050 } 12051 12052 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12053 mRequiredVerifierPackage, receivers); 12054 if (ret == PackageManager.INSTALL_SUCCEEDED 12055 && mRequiredVerifierPackage != null) { 12056 Trace.asyncTraceBegin( 12057 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12058 /* 12059 * Send the intent to the required verification agent, 12060 * but only start the verification timeout after the 12061 * target BroadcastReceivers have run. 12062 */ 12063 verification.setComponent(requiredVerifierComponent); 12064 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12065 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12066 new BroadcastReceiver() { 12067 @Override 12068 public void onReceive(Context context, Intent intent) { 12069 final Message msg = mHandler 12070 .obtainMessage(CHECK_PENDING_VERIFICATION); 12071 msg.arg1 = verificationId; 12072 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12073 } 12074 }, null, 0, null, null); 12075 12076 /* 12077 * We don't want the copy to proceed until verification 12078 * succeeds, so null out this field. 12079 */ 12080 mArgs = null; 12081 } 12082 } else { 12083 /* 12084 * No package verification is enabled, so immediately start 12085 * the remote call to initiate copy using temporary file. 12086 */ 12087 ret = args.copyApk(mContainerService, true); 12088 } 12089 } 12090 12091 mRet = ret; 12092 } 12093 12094 @Override 12095 void handleReturnCode() { 12096 // If mArgs is null, then MCS couldn't be reached. When it 12097 // reconnects, it will try again to install. At that point, this 12098 // will succeed. 12099 if (mArgs != null) { 12100 processPendingInstall(mArgs, mRet); 12101 } 12102 } 12103 12104 @Override 12105 void handleServiceError() { 12106 mArgs = createInstallArgs(this); 12107 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12108 } 12109 12110 public boolean isForwardLocked() { 12111 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12112 } 12113 } 12114 12115 /** 12116 * Used during creation of InstallArgs 12117 * 12118 * @param installFlags package installation flags 12119 * @return true if should be installed on external storage 12120 */ 12121 private static boolean installOnExternalAsec(int installFlags) { 12122 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12123 return false; 12124 } 12125 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12126 return true; 12127 } 12128 return false; 12129 } 12130 12131 /** 12132 * Used during creation of InstallArgs 12133 * 12134 * @param installFlags package installation flags 12135 * @return true if should be installed as forward locked 12136 */ 12137 private static boolean installForwardLocked(int installFlags) { 12138 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12139 } 12140 12141 private InstallArgs createInstallArgs(InstallParams params) { 12142 if (params.move != null) { 12143 return new MoveInstallArgs(params); 12144 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12145 return new AsecInstallArgs(params); 12146 } else { 12147 return new FileInstallArgs(params); 12148 } 12149 } 12150 12151 /** 12152 * Create args that describe an existing installed package. Typically used 12153 * when cleaning up old installs, or used as a move source. 12154 */ 12155 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12156 String resourcePath, String[] instructionSets) { 12157 final boolean isInAsec; 12158 if (installOnExternalAsec(installFlags)) { 12159 /* Apps on SD card are always in ASEC containers. */ 12160 isInAsec = true; 12161 } else if (installForwardLocked(installFlags) 12162 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12163 /* 12164 * Forward-locked apps are only in ASEC containers if they're the 12165 * new style 12166 */ 12167 isInAsec = true; 12168 } else { 12169 isInAsec = false; 12170 } 12171 12172 if (isInAsec) { 12173 return new AsecInstallArgs(codePath, instructionSets, 12174 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12175 } else { 12176 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12177 } 12178 } 12179 12180 static abstract class InstallArgs { 12181 /** @see InstallParams#origin */ 12182 final OriginInfo origin; 12183 /** @see InstallParams#move */ 12184 final MoveInfo move; 12185 12186 final IPackageInstallObserver2 observer; 12187 // Always refers to PackageManager flags only 12188 final int installFlags; 12189 final String installerPackageName; 12190 final String volumeUuid; 12191 final UserHandle user; 12192 final String abiOverride; 12193 final String[] installGrantPermissions; 12194 /** If non-null, drop an async trace when the install completes */ 12195 final String traceMethod; 12196 final int traceCookie; 12197 12198 // The list of instruction sets supported by this app. This is currently 12199 // only used during the rmdex() phase to clean up resources. We can get rid of this 12200 // if we move dex files under the common app path. 12201 /* nullable */ String[] instructionSets; 12202 12203 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12204 int installFlags, String installerPackageName, String volumeUuid, 12205 UserHandle user, String[] instructionSets, 12206 String abiOverride, String[] installGrantPermissions, 12207 String traceMethod, int traceCookie) { 12208 this.origin = origin; 12209 this.move = move; 12210 this.installFlags = installFlags; 12211 this.observer = observer; 12212 this.installerPackageName = installerPackageName; 12213 this.volumeUuid = volumeUuid; 12214 this.user = user; 12215 this.instructionSets = instructionSets; 12216 this.abiOverride = abiOverride; 12217 this.installGrantPermissions = installGrantPermissions; 12218 this.traceMethod = traceMethod; 12219 this.traceCookie = traceCookie; 12220 } 12221 12222 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12223 abstract int doPreInstall(int status); 12224 12225 /** 12226 * Rename package into final resting place. All paths on the given 12227 * scanned package should be updated to reflect the rename. 12228 */ 12229 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12230 abstract int doPostInstall(int status, int uid); 12231 12232 /** @see PackageSettingBase#codePathString */ 12233 abstract String getCodePath(); 12234 /** @see PackageSettingBase#resourcePathString */ 12235 abstract String getResourcePath(); 12236 12237 // Need installer lock especially for dex file removal. 12238 abstract void cleanUpResourcesLI(); 12239 abstract boolean doPostDeleteLI(boolean delete); 12240 12241 /** 12242 * Called before the source arguments are copied. This is used mostly 12243 * for MoveParams when it needs to read the source file to put it in the 12244 * destination. 12245 */ 12246 int doPreCopy() { 12247 return PackageManager.INSTALL_SUCCEEDED; 12248 } 12249 12250 /** 12251 * Called after the source arguments are copied. This is used mostly for 12252 * MoveParams when it needs to read the source file to put it in the 12253 * destination. 12254 * 12255 * @return 12256 */ 12257 int doPostCopy(int uid) { 12258 return PackageManager.INSTALL_SUCCEEDED; 12259 } 12260 12261 protected boolean isFwdLocked() { 12262 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12263 } 12264 12265 protected boolean isExternalAsec() { 12266 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12267 } 12268 12269 protected boolean isEphemeral() { 12270 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12271 } 12272 12273 UserHandle getUser() { 12274 return user; 12275 } 12276 } 12277 12278 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12279 if (!allCodePaths.isEmpty()) { 12280 if (instructionSets == null) { 12281 throw new IllegalStateException("instructionSet == null"); 12282 } 12283 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12284 for (String codePath : allCodePaths) { 12285 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12286 try { 12287 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12288 } catch (InstallerException ignored) { 12289 } 12290 } 12291 } 12292 } 12293 } 12294 12295 /** 12296 * Logic to handle installation of non-ASEC applications, including copying 12297 * and renaming logic. 12298 */ 12299 class FileInstallArgs extends InstallArgs { 12300 private File codeFile; 12301 private File resourceFile; 12302 12303 // Example topology: 12304 // /data/app/com.example/base.apk 12305 // /data/app/com.example/split_foo.apk 12306 // /data/app/com.example/lib/arm/libfoo.so 12307 // /data/app/com.example/lib/arm64/libfoo.so 12308 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12309 12310 /** New install */ 12311 FileInstallArgs(InstallParams params) { 12312 super(params.origin, params.move, params.observer, params.installFlags, 12313 params.installerPackageName, params.volumeUuid, 12314 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12315 params.grantedRuntimePermissions, 12316 params.traceMethod, params.traceCookie); 12317 if (isFwdLocked()) { 12318 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12319 } 12320 } 12321 12322 /** Existing install */ 12323 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12324 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12325 null, null, null, 0); 12326 this.codeFile = (codePath != null) ? new File(codePath) : null; 12327 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12328 } 12329 12330 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12331 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12332 try { 12333 return doCopyApk(imcs, temp); 12334 } finally { 12335 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12336 } 12337 } 12338 12339 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12340 if (origin.staged) { 12341 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12342 codeFile = origin.file; 12343 resourceFile = origin.file; 12344 return PackageManager.INSTALL_SUCCEEDED; 12345 } 12346 12347 try { 12348 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12349 final File tempDir = 12350 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12351 codeFile = tempDir; 12352 resourceFile = tempDir; 12353 } catch (IOException e) { 12354 Slog.w(TAG, "Failed to create copy file: " + e); 12355 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12356 } 12357 12358 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12359 @Override 12360 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12361 if (!FileUtils.isValidExtFilename(name)) { 12362 throw new IllegalArgumentException("Invalid filename: " + name); 12363 } 12364 try { 12365 final File file = new File(codeFile, name); 12366 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12367 O_RDWR | O_CREAT, 0644); 12368 Os.chmod(file.getAbsolutePath(), 0644); 12369 return new ParcelFileDescriptor(fd); 12370 } catch (ErrnoException e) { 12371 throw new RemoteException("Failed to open: " + e.getMessage()); 12372 } 12373 } 12374 }; 12375 12376 int ret = PackageManager.INSTALL_SUCCEEDED; 12377 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12378 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12379 Slog.e(TAG, "Failed to copy package"); 12380 return ret; 12381 } 12382 12383 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12384 NativeLibraryHelper.Handle handle = null; 12385 try { 12386 handle = NativeLibraryHelper.Handle.create(codeFile); 12387 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12388 abiOverride); 12389 } catch (IOException e) { 12390 Slog.e(TAG, "Copying native libraries failed", e); 12391 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12392 } finally { 12393 IoUtils.closeQuietly(handle); 12394 } 12395 12396 return ret; 12397 } 12398 12399 int doPreInstall(int status) { 12400 if (status != PackageManager.INSTALL_SUCCEEDED) { 12401 cleanUp(); 12402 } 12403 return status; 12404 } 12405 12406 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12407 if (status != PackageManager.INSTALL_SUCCEEDED) { 12408 cleanUp(); 12409 return false; 12410 } 12411 12412 final File targetDir = codeFile.getParentFile(); 12413 final File beforeCodeFile = codeFile; 12414 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12415 12416 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12417 try { 12418 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12419 } catch (ErrnoException e) { 12420 Slog.w(TAG, "Failed to rename", e); 12421 return false; 12422 } 12423 12424 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12425 Slog.w(TAG, "Failed to restorecon"); 12426 return false; 12427 } 12428 12429 // Reflect the rename internally 12430 codeFile = afterCodeFile; 12431 resourceFile = afterCodeFile; 12432 12433 // Reflect the rename in scanned details 12434 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12435 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12436 afterCodeFile, pkg.baseCodePath)); 12437 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12438 afterCodeFile, pkg.splitCodePaths)); 12439 12440 // Reflect the rename in app info 12441 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12442 pkg.setApplicationInfoCodePath(pkg.codePath); 12443 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12444 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12445 pkg.setApplicationInfoResourcePath(pkg.codePath); 12446 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12447 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12448 12449 return true; 12450 } 12451 12452 int doPostInstall(int status, int uid) { 12453 if (status != PackageManager.INSTALL_SUCCEEDED) { 12454 cleanUp(); 12455 } 12456 return status; 12457 } 12458 12459 @Override 12460 String getCodePath() { 12461 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12462 } 12463 12464 @Override 12465 String getResourcePath() { 12466 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12467 } 12468 12469 private boolean cleanUp() { 12470 if (codeFile == null || !codeFile.exists()) { 12471 return false; 12472 } 12473 12474 removeCodePathLI(codeFile); 12475 12476 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12477 resourceFile.delete(); 12478 } 12479 12480 return true; 12481 } 12482 12483 void cleanUpResourcesLI() { 12484 // Try enumerating all code paths before deleting 12485 List<String> allCodePaths = Collections.EMPTY_LIST; 12486 if (codeFile != null && codeFile.exists()) { 12487 try { 12488 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12489 allCodePaths = pkg.getAllCodePaths(); 12490 } catch (PackageParserException e) { 12491 // Ignored; we tried our best 12492 } 12493 } 12494 12495 cleanUp(); 12496 removeDexFiles(allCodePaths, instructionSets); 12497 } 12498 12499 boolean doPostDeleteLI(boolean delete) { 12500 // XXX err, shouldn't we respect the delete flag? 12501 cleanUpResourcesLI(); 12502 return true; 12503 } 12504 } 12505 12506 private boolean isAsecExternal(String cid) { 12507 final String asecPath = PackageHelper.getSdFilesystem(cid); 12508 return !asecPath.startsWith(mAsecInternalPath); 12509 } 12510 12511 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12512 PackageManagerException { 12513 if (copyRet < 0) { 12514 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12515 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12516 throw new PackageManagerException(copyRet, message); 12517 } 12518 } 12519 } 12520 12521 /** 12522 * Extract the MountService "container ID" from the full code path of an 12523 * .apk. 12524 */ 12525 static String cidFromCodePath(String fullCodePath) { 12526 int eidx = fullCodePath.lastIndexOf("/"); 12527 String subStr1 = fullCodePath.substring(0, eidx); 12528 int sidx = subStr1.lastIndexOf("/"); 12529 return subStr1.substring(sidx+1, eidx); 12530 } 12531 12532 /** 12533 * Logic to handle installation of ASEC applications, including copying and 12534 * renaming logic. 12535 */ 12536 class AsecInstallArgs extends InstallArgs { 12537 static final String RES_FILE_NAME = "pkg.apk"; 12538 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12539 12540 String cid; 12541 String packagePath; 12542 String resourcePath; 12543 12544 /** New install */ 12545 AsecInstallArgs(InstallParams params) { 12546 super(params.origin, params.move, params.observer, params.installFlags, 12547 params.installerPackageName, params.volumeUuid, 12548 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12549 params.grantedRuntimePermissions, 12550 params.traceMethod, params.traceCookie); 12551 } 12552 12553 /** Existing install */ 12554 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12555 boolean isExternal, boolean isForwardLocked) { 12556 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12557 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12558 instructionSets, null, null, null, 0); 12559 // Hackily pretend we're still looking at a full code path 12560 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12561 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12562 } 12563 12564 // Extract cid from fullCodePath 12565 int eidx = fullCodePath.lastIndexOf("/"); 12566 String subStr1 = fullCodePath.substring(0, eidx); 12567 int sidx = subStr1.lastIndexOf("/"); 12568 cid = subStr1.substring(sidx+1, eidx); 12569 setMountPath(subStr1); 12570 } 12571 12572 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12573 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12574 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12575 instructionSets, null, null, null, 0); 12576 this.cid = cid; 12577 setMountPath(PackageHelper.getSdDir(cid)); 12578 } 12579 12580 void createCopyFile() { 12581 cid = mInstallerService.allocateExternalStageCidLegacy(); 12582 } 12583 12584 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12585 if (origin.staged && origin.cid != null) { 12586 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12587 cid = origin.cid; 12588 setMountPath(PackageHelper.getSdDir(cid)); 12589 return PackageManager.INSTALL_SUCCEEDED; 12590 } 12591 12592 if (temp) { 12593 createCopyFile(); 12594 } else { 12595 /* 12596 * Pre-emptively destroy the container since it's destroyed if 12597 * copying fails due to it existing anyway. 12598 */ 12599 PackageHelper.destroySdDir(cid); 12600 } 12601 12602 final String newMountPath = imcs.copyPackageToContainer( 12603 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12604 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12605 12606 if (newMountPath != null) { 12607 setMountPath(newMountPath); 12608 return PackageManager.INSTALL_SUCCEEDED; 12609 } else { 12610 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12611 } 12612 } 12613 12614 @Override 12615 String getCodePath() { 12616 return packagePath; 12617 } 12618 12619 @Override 12620 String getResourcePath() { 12621 return resourcePath; 12622 } 12623 12624 int doPreInstall(int status) { 12625 if (status != PackageManager.INSTALL_SUCCEEDED) { 12626 // Destroy container 12627 PackageHelper.destroySdDir(cid); 12628 } else { 12629 boolean mounted = PackageHelper.isContainerMounted(cid); 12630 if (!mounted) { 12631 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 12632 Process.SYSTEM_UID); 12633 if (newMountPath != null) { 12634 setMountPath(newMountPath); 12635 } else { 12636 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12637 } 12638 } 12639 } 12640 return status; 12641 } 12642 12643 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12644 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 12645 String newMountPath = null; 12646 if (PackageHelper.isContainerMounted(cid)) { 12647 // Unmount the container 12648 if (!PackageHelper.unMountSdDir(cid)) { 12649 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 12650 return false; 12651 } 12652 } 12653 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12654 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 12655 " which might be stale. Will try to clean up."); 12656 // Clean up the stale container and proceed to recreate. 12657 if (!PackageHelper.destroySdDir(newCacheId)) { 12658 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 12659 return false; 12660 } 12661 // Successfully cleaned up stale container. Try to rename again. 12662 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12663 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 12664 + " inspite of cleaning it up."); 12665 return false; 12666 } 12667 } 12668 if (!PackageHelper.isContainerMounted(newCacheId)) { 12669 Slog.w(TAG, "Mounting container " + newCacheId); 12670 newMountPath = PackageHelper.mountSdDir(newCacheId, 12671 getEncryptKey(), Process.SYSTEM_UID); 12672 } else { 12673 newMountPath = PackageHelper.getSdDir(newCacheId); 12674 } 12675 if (newMountPath == null) { 12676 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 12677 return false; 12678 } 12679 Log.i(TAG, "Succesfully renamed " + cid + 12680 " to " + newCacheId + 12681 " at new path: " + newMountPath); 12682 cid = newCacheId; 12683 12684 final File beforeCodeFile = new File(packagePath); 12685 setMountPath(newMountPath); 12686 final File afterCodeFile = new File(packagePath); 12687 12688 // Reflect the rename in scanned details 12689 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12690 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12691 afterCodeFile, pkg.baseCodePath)); 12692 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12693 afterCodeFile, pkg.splitCodePaths)); 12694 12695 // Reflect the rename in app info 12696 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12697 pkg.setApplicationInfoCodePath(pkg.codePath); 12698 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12699 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12700 pkg.setApplicationInfoResourcePath(pkg.codePath); 12701 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12702 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12703 12704 return true; 12705 } 12706 12707 private void setMountPath(String mountPath) { 12708 final File mountFile = new File(mountPath); 12709 12710 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12711 if (monolithicFile.exists()) { 12712 packagePath = monolithicFile.getAbsolutePath(); 12713 if (isFwdLocked()) { 12714 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12715 } else { 12716 resourcePath = packagePath; 12717 } 12718 } else { 12719 packagePath = mountFile.getAbsolutePath(); 12720 resourcePath = packagePath; 12721 } 12722 } 12723 12724 int doPostInstall(int status, int uid) { 12725 if (status != PackageManager.INSTALL_SUCCEEDED) { 12726 cleanUp(); 12727 } else { 12728 final int groupOwner; 12729 final String protectedFile; 12730 if (isFwdLocked()) { 12731 groupOwner = UserHandle.getSharedAppGid(uid); 12732 protectedFile = RES_FILE_NAME; 12733 } else { 12734 groupOwner = -1; 12735 protectedFile = null; 12736 } 12737 12738 if (uid < Process.FIRST_APPLICATION_UID 12739 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12740 Slog.e(TAG, "Failed to finalize " + cid); 12741 PackageHelper.destroySdDir(cid); 12742 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12743 } 12744 12745 boolean mounted = PackageHelper.isContainerMounted(cid); 12746 if (!mounted) { 12747 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12748 } 12749 } 12750 return status; 12751 } 12752 12753 private void cleanUp() { 12754 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12755 12756 // Destroy secure container 12757 PackageHelper.destroySdDir(cid); 12758 } 12759 12760 private List<String> getAllCodePaths() { 12761 final File codeFile = new File(getCodePath()); 12762 if (codeFile != null && codeFile.exists()) { 12763 try { 12764 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12765 return pkg.getAllCodePaths(); 12766 } catch (PackageParserException e) { 12767 // Ignored; we tried our best 12768 } 12769 } 12770 return Collections.EMPTY_LIST; 12771 } 12772 12773 void cleanUpResourcesLI() { 12774 // Enumerate all code paths before deleting 12775 cleanUpResourcesLI(getAllCodePaths()); 12776 } 12777 12778 private void cleanUpResourcesLI(List<String> allCodePaths) { 12779 cleanUp(); 12780 removeDexFiles(allCodePaths, instructionSets); 12781 } 12782 12783 String getPackageName() { 12784 return getAsecPackageName(cid); 12785 } 12786 12787 boolean doPostDeleteLI(boolean delete) { 12788 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12789 final List<String> allCodePaths = getAllCodePaths(); 12790 boolean mounted = PackageHelper.isContainerMounted(cid); 12791 if (mounted) { 12792 // Unmount first 12793 if (PackageHelper.unMountSdDir(cid)) { 12794 mounted = false; 12795 } 12796 } 12797 if (!mounted && delete) { 12798 cleanUpResourcesLI(allCodePaths); 12799 } 12800 return !mounted; 12801 } 12802 12803 @Override 12804 int doPreCopy() { 12805 if (isFwdLocked()) { 12806 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12807 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12808 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12809 } 12810 } 12811 12812 return PackageManager.INSTALL_SUCCEEDED; 12813 } 12814 12815 @Override 12816 int doPostCopy(int uid) { 12817 if (isFwdLocked()) { 12818 if (uid < Process.FIRST_APPLICATION_UID 12819 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12820 RES_FILE_NAME)) { 12821 Slog.e(TAG, "Failed to finalize " + cid); 12822 PackageHelper.destroySdDir(cid); 12823 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12824 } 12825 } 12826 12827 return PackageManager.INSTALL_SUCCEEDED; 12828 } 12829 } 12830 12831 /** 12832 * Logic to handle movement of existing installed applications. 12833 */ 12834 class MoveInstallArgs extends InstallArgs { 12835 private File codeFile; 12836 private File resourceFile; 12837 12838 /** New install */ 12839 MoveInstallArgs(InstallParams params) { 12840 super(params.origin, params.move, params.observer, params.installFlags, 12841 params.installerPackageName, params.volumeUuid, 12842 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12843 params.grantedRuntimePermissions, 12844 params.traceMethod, params.traceCookie); 12845 } 12846 12847 int copyApk(IMediaContainerService imcs, boolean temp) { 12848 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12849 + move.fromUuid + " to " + move.toUuid); 12850 synchronized (mInstaller) { 12851 try { 12852 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12853 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 12854 } catch (InstallerException e) { 12855 Slog.w(TAG, "Failed to move app", e); 12856 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12857 } 12858 } 12859 12860 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12861 resourceFile = codeFile; 12862 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12863 12864 return PackageManager.INSTALL_SUCCEEDED; 12865 } 12866 12867 int doPreInstall(int status) { 12868 if (status != PackageManager.INSTALL_SUCCEEDED) { 12869 cleanUp(move.toUuid); 12870 } 12871 return status; 12872 } 12873 12874 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12875 if (status != PackageManager.INSTALL_SUCCEEDED) { 12876 cleanUp(move.toUuid); 12877 return false; 12878 } 12879 12880 // Reflect the move in app info 12881 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12882 pkg.setApplicationInfoCodePath(pkg.codePath); 12883 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12884 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12885 pkg.setApplicationInfoResourcePath(pkg.codePath); 12886 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12887 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12888 12889 return true; 12890 } 12891 12892 int doPostInstall(int status, int uid) { 12893 if (status == PackageManager.INSTALL_SUCCEEDED) { 12894 cleanUp(move.fromUuid); 12895 } else { 12896 cleanUp(move.toUuid); 12897 } 12898 return status; 12899 } 12900 12901 @Override 12902 String getCodePath() { 12903 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12904 } 12905 12906 @Override 12907 String getResourcePath() { 12908 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12909 } 12910 12911 private boolean cleanUp(String volumeUuid) { 12912 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12913 move.dataAppName); 12914 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12915 synchronized (mInstallLock) { 12916 // Clean up both app data and code 12917 removeDataDirsLI(volumeUuid, move.packageName); 12918 removeCodePathLI(codeFile); 12919 } 12920 return true; 12921 } 12922 12923 void cleanUpResourcesLI() { 12924 throw new UnsupportedOperationException(); 12925 } 12926 12927 boolean doPostDeleteLI(boolean delete) { 12928 throw new UnsupportedOperationException(); 12929 } 12930 } 12931 12932 static String getAsecPackageName(String packageCid) { 12933 int idx = packageCid.lastIndexOf("-"); 12934 if (idx == -1) { 12935 return packageCid; 12936 } 12937 return packageCid.substring(0, idx); 12938 } 12939 12940 // Utility method used to create code paths based on package name and available index. 12941 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12942 String idxStr = ""; 12943 int idx = 1; 12944 // Fall back to default value of idx=1 if prefix is not 12945 // part of oldCodePath 12946 if (oldCodePath != null) { 12947 String subStr = oldCodePath; 12948 // Drop the suffix right away 12949 if (suffix != null && subStr.endsWith(suffix)) { 12950 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12951 } 12952 // If oldCodePath already contains prefix find out the 12953 // ending index to either increment or decrement. 12954 int sidx = subStr.lastIndexOf(prefix); 12955 if (sidx != -1) { 12956 subStr = subStr.substring(sidx + prefix.length()); 12957 if (subStr != null) { 12958 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12959 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12960 } 12961 try { 12962 idx = Integer.parseInt(subStr); 12963 if (idx <= 1) { 12964 idx++; 12965 } else { 12966 idx--; 12967 } 12968 } catch(NumberFormatException e) { 12969 } 12970 } 12971 } 12972 } 12973 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12974 return prefix + idxStr; 12975 } 12976 12977 private File getNextCodePath(File targetDir, String packageName) { 12978 int suffix = 1; 12979 File result; 12980 do { 12981 result = new File(targetDir, packageName + "-" + suffix); 12982 suffix++; 12983 } while (result.exists()); 12984 return result; 12985 } 12986 12987 // Utility method that returns the relative package path with respect 12988 // to the installation directory. Like say for /data/data/com.test-1.apk 12989 // string com.test-1 is returned. 12990 static String deriveCodePathName(String codePath) { 12991 if (codePath == null) { 12992 return null; 12993 } 12994 final File codeFile = new File(codePath); 12995 final String name = codeFile.getName(); 12996 if (codeFile.isDirectory()) { 12997 return name; 12998 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12999 final int lastDot = name.lastIndexOf('.'); 13000 return name.substring(0, lastDot); 13001 } else { 13002 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13003 return null; 13004 } 13005 } 13006 13007 static class PackageInstalledInfo { 13008 String name; 13009 int uid; 13010 // The set of users that originally had this package installed. 13011 int[] origUsers; 13012 // The set of users that now have this package installed. 13013 int[] newUsers; 13014 PackageParser.Package pkg; 13015 int returnCode; 13016 String returnMsg; 13017 PackageRemovedInfo removedInfo; 13018 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13019 13020 public void setError(int code, String msg) { 13021 setReturnCode(code); 13022 setReturnMessage(msg); 13023 Slog.w(TAG, msg); 13024 } 13025 13026 public void setError(String msg, PackageParserException e) { 13027 setReturnCode(e.error); 13028 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13029 Slog.w(TAG, msg, e); 13030 } 13031 13032 public void setError(String msg, PackageManagerException e) { 13033 returnCode = e.error; 13034 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13035 Slog.w(TAG, msg, e); 13036 } 13037 13038 public void setReturnCode(int returnCode) { 13039 this.returnCode = returnCode; 13040 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13041 for (int i = 0; i < childCount; i++) { 13042 addedChildPackages.valueAt(i).returnCode = returnCode; 13043 } 13044 } 13045 13046 private void setReturnMessage(String returnMsg) { 13047 this.returnMsg = returnMsg; 13048 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13049 for (int i = 0; i < childCount; i++) { 13050 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13051 } 13052 } 13053 13054 // In some error cases we want to convey more info back to the observer 13055 String origPackage; 13056 String origPermission; 13057 } 13058 13059 /* 13060 * Install a non-existing package. 13061 */ 13062 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13063 UserHandle user, String installerPackageName, String volumeUuid, 13064 PackageInstalledInfo res) { 13065 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13066 13067 // Remember this for later, in case we need to rollback this install 13068 String pkgName = pkg.packageName; 13069 13070 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13071 13072 synchronized(mPackages) { 13073 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13074 // A package with the same name is already installed, though 13075 // it has been renamed to an older name. The package we 13076 // are trying to install should be installed as an update to 13077 // the existing one, but that has not been requested, so bail. 13078 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13079 + " without first uninstalling package running as " 13080 + mSettings.mRenamedPackages.get(pkgName)); 13081 return; 13082 } 13083 if (mPackages.containsKey(pkgName)) { 13084 // Don't allow installation over an existing package with the same name. 13085 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13086 + " without first uninstalling."); 13087 return; 13088 } 13089 } 13090 13091 try { 13092 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 13093 System.currentTimeMillis(), user); 13094 13095 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13096 13097 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13098 prepareAppDataAfterInstall(newPackage); 13099 13100 } else { 13101 // Remove package from internal structures, but keep around any 13102 // data that might have already existed 13103 deletePackageLI(pkgName, UserHandle.ALL, false, null, 13104 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13105 } 13106 } catch (PackageManagerException e) { 13107 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13108 } 13109 13110 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13111 } 13112 13113 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13114 // Can't rotate keys during boot or if sharedUser. 13115 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13116 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13117 return false; 13118 } 13119 // app is using upgradeKeySets; make sure all are valid 13120 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13121 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13122 for (int i = 0; i < upgradeKeySets.length; i++) { 13123 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13124 Slog.wtf(TAG, "Package " 13125 + (oldPs.name != null ? oldPs.name : "<null>") 13126 + " contains upgrade-key-set reference to unknown key-set: " 13127 + upgradeKeySets[i] 13128 + " reverting to signatures check."); 13129 return false; 13130 } 13131 } 13132 return true; 13133 } 13134 13135 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13136 // Upgrade keysets are being used. Determine if new package has a superset of the 13137 // required keys. 13138 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13139 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13140 for (int i = 0; i < upgradeKeySets.length; i++) { 13141 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13142 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13143 return true; 13144 } 13145 } 13146 return false; 13147 } 13148 13149 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13150 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13151 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13152 13153 final PackageParser.Package oldPackage; 13154 final String pkgName = pkg.packageName; 13155 final int[] allUsers; 13156 final boolean weFroze; 13157 13158 // First find the old package info and check signatures 13159 synchronized(mPackages) { 13160 oldPackage = mPackages.get(pkgName); 13161 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13162 if (isEphemeral && !oldIsEphemeral) { 13163 // can't downgrade from full to ephemeral 13164 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13165 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13166 return; 13167 } 13168 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13169 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13170 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13171 if (!checkUpgradeKeySetLP(ps, pkg)) { 13172 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13173 "New package not signed by keys specified by upgrade-keysets: " 13174 + pkgName); 13175 return; 13176 } 13177 } else { 13178 // default to original signature matching 13179 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13180 != PackageManager.SIGNATURE_MATCH) { 13181 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13182 "New package has a different signature: " + pkgName); 13183 return; 13184 } 13185 } 13186 13187 // In case of rollback, remember per-user/profile install state 13188 allUsers = sUserManager.getUserIds(); 13189 13190 // Mark the app as frozen to prevent launching during the upgrade 13191 // process, and then kill all running instances 13192 if (!ps.frozen) { 13193 ps.frozen = true; 13194 weFroze = true; 13195 } else { 13196 weFroze = false; 13197 } 13198 } 13199 13200 try { 13201 replacePackageDirtyLI(pkg, oldPackage, parseFlags, scanFlags, user, allUsers, 13202 installerPackageName, res); 13203 } finally { 13204 // Regardless of success or failure of upgrade steps above, always 13205 // unfreeze the package if we froze it 13206 if (weFroze) { 13207 unfreezePackage(pkgName); 13208 } 13209 } 13210 } 13211 13212 private void replacePackageDirtyLI(PackageParser.Package pkg, PackageParser.Package oldPackage, 13213 int parseFlags, int scanFlags, UserHandle user, int[] allUsers, 13214 String installerPackageName, PackageInstalledInfo res) { 13215 // Update what is removed 13216 res.removedInfo = new PackageRemovedInfo(); 13217 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13218 res.removedInfo.removedPackage = oldPackage.packageName; 13219 res.removedInfo.isUpdate = true; 13220 final int childCount = (oldPackage.childPackages != null) 13221 ? oldPackage.childPackages.size() : 0; 13222 for (int i = 0; i < childCount; i++) { 13223 boolean childPackageUpdated = false; 13224 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13225 if (res.addedChildPackages != null) { 13226 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13227 if (childRes != null) { 13228 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13229 childRes.removedInfo.removedPackage = childPkg.packageName; 13230 childRes.removedInfo.isUpdate = true; 13231 childPackageUpdated = true; 13232 } 13233 } 13234 if (!childPackageUpdated) { 13235 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13236 childRemovedRes.removedPackage = childPkg.packageName; 13237 childRemovedRes.isUpdate = false; 13238 childRemovedRes.dataRemoved = true; 13239 synchronized (mPackages) { 13240 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13241 if (childPs != null) { 13242 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13243 } 13244 } 13245 if (res.removedInfo.removedChildPackages == null) { 13246 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13247 } 13248 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13249 } 13250 } 13251 13252 boolean sysPkg = (isSystemApp(oldPackage)); 13253 if (sysPkg) { 13254 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13255 user, allUsers, installerPackageName, res); 13256 } else { 13257 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13258 user, allUsers, installerPackageName, res); 13259 } 13260 } 13261 13262 public List<String> getPreviousCodePaths(String packageName) { 13263 final PackageSetting ps = mSettings.mPackages.get(packageName); 13264 final List<String> result = new ArrayList<String>(); 13265 if (ps != null && ps.oldCodePaths != null) { 13266 result.addAll(ps.oldCodePaths); 13267 } 13268 return result; 13269 } 13270 13271 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 13272 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13273 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13274 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13275 + deletedPackage); 13276 13277 String pkgName = deletedPackage.packageName; 13278 boolean deletedPkg = true; 13279 boolean addedPkg = false; 13280 boolean updatedSettings = false; 13281 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13282 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13283 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13284 13285 final long origUpdateTime = (pkg.mExtras != null) 13286 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13287 13288 // First delete the existing package while retaining the data directory 13289 if (!deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13290 res.removedInfo, true, pkg)) { 13291 // If the existing package wasn't successfully deleted 13292 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13293 deletedPkg = false; 13294 } else { 13295 // Successfully deleted the old package; proceed with replace. 13296 13297 // If deleted package lived in a container, give users a chance to 13298 // relinquish resources before killing. 13299 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13300 if (DEBUG_INSTALL) { 13301 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13302 } 13303 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13304 final ArrayList<String> pkgList = new ArrayList<String>(1); 13305 pkgList.add(deletedPackage.applicationInfo.packageName); 13306 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13307 } 13308 13309 deleteCodeCacheDirsLI(pkg); 13310 deleteProfilesLI(pkg, /*destroy*/ false); 13311 13312 try { 13313 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13314 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13315 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13316 13317 // Update the in-memory copy of the previous code paths. 13318 PackageSetting ps = mSettings.mPackages.get(pkgName); 13319 if (!killApp) { 13320 if (ps.oldCodePaths == null) { 13321 ps.oldCodePaths = new ArraySet<>(); 13322 } 13323 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13324 if (deletedPackage.splitCodePaths != null) { 13325 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13326 } 13327 } else { 13328 ps.oldCodePaths = null; 13329 } 13330 if (ps.childPackageNames != null) { 13331 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13332 final String childPkgName = ps.childPackageNames.get(i); 13333 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13334 childPs.oldCodePaths = ps.oldCodePaths; 13335 } 13336 } 13337 prepareAppDataAfterInstall(newPackage); 13338 addedPkg = true; 13339 } catch (PackageManagerException e) { 13340 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13341 } 13342 } 13343 13344 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13345 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13346 13347 // Revert all internal state mutations and added folders for the failed install 13348 if (addedPkg) { 13349 deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13350 res.removedInfo, true, null); 13351 } 13352 13353 // Restore the old package 13354 if (deletedPkg) { 13355 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13356 File restoreFile = new File(deletedPackage.codePath); 13357 // Parse old package 13358 boolean oldExternal = isExternal(deletedPackage); 13359 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13360 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13361 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13362 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13363 try { 13364 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13365 null); 13366 } catch (PackageManagerException e) { 13367 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13368 + e.getMessage()); 13369 return; 13370 } 13371 13372 synchronized (mPackages) { 13373 // Ensure the installer package name up to date 13374 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13375 13376 // Update permissions for restored package 13377 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13378 13379 mSettings.writeLPr(); 13380 } 13381 13382 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13383 } 13384 } else { 13385 synchronized (mPackages) { 13386 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13387 if (ps != null) { 13388 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13389 if (res.removedInfo.removedChildPackages != null) { 13390 final int childCount = res.removedInfo.removedChildPackages.size(); 13391 // Iterate in reverse as we may modify the collection 13392 for (int i = childCount - 1; i >= 0; i--) { 13393 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13394 if (res.addedChildPackages.containsKey(childPackageName)) { 13395 res.removedInfo.removedChildPackages.removeAt(i); 13396 } else { 13397 PackageRemovedInfo childInfo = res.removedInfo 13398 .removedChildPackages.valueAt(i); 13399 childInfo.removedForAllUsers = mPackages.get( 13400 childInfo.removedPackage) == null; 13401 } 13402 } 13403 } 13404 } 13405 } 13406 } 13407 } 13408 13409 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 13410 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13411 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13412 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13413 + ", old=" + deletedPackage); 13414 13415 final boolean disabledSystem; 13416 13417 // Set the system/privileged flags as needed 13418 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13419 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13420 != 0) { 13421 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13422 } 13423 13424 // Kill package processes including services, providers, etc. 13425 killPackage(deletedPackage, "replace sys pkg"); 13426 13427 // Remove existing system package 13428 removePackageLI(deletedPackage, true); 13429 13430 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13431 if (!disabledSystem) { 13432 // We didn't need to disable the .apk as a current system package, 13433 // which means we are replacing another update that is already 13434 // installed. We need to make sure to delete the older one's .apk. 13435 res.removedInfo.args = createInstallArgsForExisting(0, 13436 deletedPackage.applicationInfo.getCodePath(), 13437 deletedPackage.applicationInfo.getResourcePath(), 13438 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13439 } else { 13440 res.removedInfo.args = null; 13441 } 13442 13443 // Successfully disabled the old package. Now proceed with re-installation 13444 deleteCodeCacheDirsLI(pkg); 13445 deleteProfilesLI(pkg, /*destroy*/ false); 13446 13447 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13448 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13449 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13450 13451 PackageParser.Package newPackage = null; 13452 try { 13453 // Add the package to the internal data structures 13454 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13455 13456 // Set the update and install times 13457 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13458 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13459 System.currentTimeMillis()); 13460 13461 // Check for shared user id changes 13462 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13463 deletedPackage, newPackage); 13464 if (invalidPackageName != null) { 13465 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13466 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13467 + " to " + invalidPackageName); 13468 } 13469 13470 // Update the package dynamic state if succeeded 13471 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13472 // Now that the install succeeded make sure we remove data 13473 // directories for any child package the update removed. 13474 final int deletedChildCount = (deletedPackage.childPackages != null) 13475 ? deletedPackage.childPackages.size() : 0; 13476 final int newChildCount = (newPackage.childPackages != null) 13477 ? newPackage.childPackages.size() : 0; 13478 for (int i = 0; i < deletedChildCount; i++) { 13479 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13480 boolean childPackageDeleted = true; 13481 for (int j = 0; j < newChildCount; j++) { 13482 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13483 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13484 childPackageDeleted = false; 13485 break; 13486 } 13487 } 13488 if (childPackageDeleted) { 13489 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13490 deletedChildPkg.packageName); 13491 if (ps != null && res.removedInfo.removedChildPackages != null) { 13492 PackageRemovedInfo removedChildRes = res.removedInfo 13493 .removedChildPackages.get(deletedChildPkg.packageName); 13494 removePackageDataLI(ps, allUsers, removedChildRes, 0, false); 13495 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13496 } 13497 } 13498 } 13499 13500 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13501 prepareAppDataAfterInstall(newPackage); 13502 } 13503 } catch (PackageManagerException e) { 13504 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13505 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13506 } 13507 13508 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13509 // Re installation failed. Restore old information 13510 // Remove new pkg information 13511 if (newPackage != null) { 13512 removeInstalledPackageLI(newPackage, true); 13513 } 13514 // Add back the old system package 13515 try { 13516 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13517 } catch (PackageManagerException e) { 13518 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13519 } 13520 13521 synchronized (mPackages) { 13522 if (disabledSystem) { 13523 enableSystemPackageLPw(deletedPackage); 13524 } 13525 13526 // Ensure the installer package name up to date 13527 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13528 13529 // Update permissions for restored package 13530 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13531 13532 mSettings.writeLPr(); 13533 } 13534 13535 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13536 + " after failed upgrade"); 13537 } 13538 } 13539 13540 /** 13541 * Checks whether the parent or any of the child packages have a change shared 13542 * user. For a package to be a valid update the shred users of the parent and 13543 * the children should match. We may later support changing child shared users. 13544 * @param oldPkg The updated package. 13545 * @param newPkg The update package. 13546 * @return The shared user that change between the versions. 13547 */ 13548 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13549 PackageParser.Package newPkg) { 13550 // Check parent shared user 13551 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13552 return newPkg.packageName; 13553 } 13554 // Check child shared users 13555 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13556 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13557 for (int i = 0; i < newChildCount; i++) { 13558 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13559 // If this child was present, did it have the same shared user? 13560 for (int j = 0; j < oldChildCount; j++) { 13561 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13562 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13563 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13564 return newChildPkg.packageName; 13565 } 13566 } 13567 } 13568 return null; 13569 } 13570 13571 private void removeNativeBinariesLI(PackageSetting ps) { 13572 // Remove the lib path for the parent package 13573 if (ps != null) { 13574 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13575 // Remove the lib path for the child packages 13576 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 13577 for (int i = 0; i < childCount; i++) { 13578 PackageSetting childPs = null; 13579 synchronized (mPackages) { 13580 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 13581 } 13582 if (childPs != null) { 13583 NativeLibraryHelper.removeNativeBinariesLI(childPs 13584 .legacyNativeLibraryPathString); 13585 } 13586 } 13587 } 13588 } 13589 13590 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13591 // Enable the parent package 13592 mSettings.enableSystemPackageLPw(pkg.packageName); 13593 // Enable the child packages 13594 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13595 for (int i = 0; i < childCount; i++) { 13596 PackageParser.Package childPkg = pkg.childPackages.get(i); 13597 mSettings.enableSystemPackageLPw(childPkg.packageName); 13598 } 13599 } 13600 13601 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13602 PackageParser.Package newPkg) { 13603 // Disable the parent package (parent always replaced) 13604 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13605 // Disable the child packages 13606 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13607 for (int i = 0; i < childCount; i++) { 13608 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 13609 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 13610 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 13611 } 13612 return disabled; 13613 } 13614 13615 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 13616 String installerPackageName) { 13617 // Enable the parent package 13618 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 13619 // Enable the child packages 13620 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13621 for (int i = 0; i < childCount; i++) { 13622 PackageParser.Package childPkg = pkg.childPackages.get(i); 13623 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 13624 } 13625 } 13626 13627 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 13628 // Collect all used permissions in the UID 13629 ArraySet<String> usedPermissions = new ArraySet<>(); 13630 final int packageCount = su.packages.size(); 13631 for (int i = 0; i < packageCount; i++) { 13632 PackageSetting ps = su.packages.valueAt(i); 13633 if (ps.pkg == null) { 13634 continue; 13635 } 13636 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 13637 for (int j = 0; j < requestedPermCount; j++) { 13638 String permission = ps.pkg.requestedPermissions.get(j); 13639 BasePermission bp = mSettings.mPermissions.get(permission); 13640 if (bp != null) { 13641 usedPermissions.add(permission); 13642 } 13643 } 13644 } 13645 13646 PermissionsState permissionsState = su.getPermissionsState(); 13647 // Prune install permissions 13648 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 13649 final int installPermCount = installPermStates.size(); 13650 for (int i = installPermCount - 1; i >= 0; i--) { 13651 PermissionState permissionState = installPermStates.get(i); 13652 if (!usedPermissions.contains(permissionState.getName())) { 13653 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13654 if (bp != null) { 13655 permissionsState.revokeInstallPermission(bp); 13656 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 13657 PackageManager.MASK_PERMISSION_FLAGS, 0); 13658 } 13659 } 13660 } 13661 13662 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 13663 13664 // Prune runtime permissions 13665 for (int userId : allUserIds) { 13666 List<PermissionState> runtimePermStates = permissionsState 13667 .getRuntimePermissionStates(userId); 13668 final int runtimePermCount = runtimePermStates.size(); 13669 for (int i = runtimePermCount - 1; i >= 0; i--) { 13670 PermissionState permissionState = runtimePermStates.get(i); 13671 if (!usedPermissions.contains(permissionState.getName())) { 13672 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13673 if (bp != null) { 13674 permissionsState.revokeRuntimePermission(bp, userId); 13675 permissionsState.updatePermissionFlags(bp, userId, 13676 PackageManager.MASK_PERMISSION_FLAGS, 0); 13677 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 13678 runtimePermissionChangedUserIds, userId); 13679 } 13680 } 13681 } 13682 } 13683 13684 return runtimePermissionChangedUserIds; 13685 } 13686 13687 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 13688 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 13689 // Update the parent package setting 13690 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 13691 res, user); 13692 // Update the child packages setting 13693 final int childCount = (newPackage.childPackages != null) 13694 ? newPackage.childPackages.size() : 0; 13695 for (int i = 0; i < childCount; i++) { 13696 PackageParser.Package childPackage = newPackage.childPackages.get(i); 13697 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 13698 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 13699 childRes.origUsers, childRes, user); 13700 } 13701 } 13702 13703 private void updateSettingsInternalLI(PackageParser.Package newPackage, 13704 String installerPackageName, int[] allUsers, int[] installedForUsers, 13705 PackageInstalledInfo res, UserHandle user) { 13706 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 13707 13708 String pkgName = newPackage.packageName; 13709 synchronized (mPackages) { 13710 //write settings. the installStatus will be incomplete at this stage. 13711 //note that the new package setting would have already been 13712 //added to mPackages. It hasn't been persisted yet. 13713 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 13714 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13715 mSettings.writeLPr(); 13716 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13717 } 13718 13719 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 13720 synchronized (mPackages) { 13721 updatePermissionsLPw(newPackage.packageName, newPackage, 13722 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 13723 ? UPDATE_PERMISSIONS_ALL : 0)); 13724 // For system-bundled packages, we assume that installing an upgraded version 13725 // of the package implies that the user actually wants to run that new code, 13726 // so we enable the package. 13727 PackageSetting ps = mSettings.mPackages.get(pkgName); 13728 final int userId = user.getIdentifier(); 13729 if (ps != null) { 13730 if (isSystemApp(newPackage)) { 13731 if (DEBUG_INSTALL) { 13732 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 13733 } 13734 // Enable system package for requested users 13735 if (res.origUsers != null) { 13736 for (int origUserId : res.origUsers) { 13737 if (userId == UserHandle.USER_ALL || userId == origUserId) { 13738 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 13739 origUserId, installerPackageName); 13740 } 13741 } 13742 } 13743 // Also convey the prior install/uninstall state 13744 if (allUsers != null && installedForUsers != null) { 13745 for (int currentUserId : allUsers) { 13746 final boolean installed = ArrayUtils.contains( 13747 installedForUsers, currentUserId); 13748 if (DEBUG_INSTALL) { 13749 Slog.d(TAG, " user " + currentUserId + " => " + installed); 13750 } 13751 ps.setInstalled(installed, currentUserId); 13752 } 13753 // these install state changes will be persisted in the 13754 // upcoming call to mSettings.writeLPr(). 13755 } 13756 } 13757 // It's implied that when a user requests installation, they want the app to be 13758 // installed and enabled. 13759 if (userId != UserHandle.USER_ALL) { 13760 ps.setInstalled(true, userId); 13761 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 13762 } 13763 } 13764 res.name = pkgName; 13765 res.uid = newPackage.applicationInfo.uid; 13766 res.pkg = newPackage; 13767 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 13768 mSettings.setInstallerPackageName(pkgName, installerPackageName); 13769 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13770 //to update install status 13771 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13772 mSettings.writeLPr(); 13773 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13774 } 13775 13776 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13777 } 13778 13779 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 13780 try { 13781 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 13782 installPackageLI(args, res); 13783 } finally { 13784 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13785 } 13786 } 13787 13788 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 13789 final int installFlags = args.installFlags; 13790 final String installerPackageName = args.installerPackageName; 13791 final String volumeUuid = args.volumeUuid; 13792 final File tmpPackageFile = new File(args.getCodePath()); 13793 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 13794 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 13795 || (args.volumeUuid != null)); 13796 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 13797 boolean replace = false; 13798 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 13799 if (args.move != null) { 13800 // moving a complete application; perform an initial scan on the new install location 13801 scanFlags |= SCAN_INITIAL; 13802 } 13803 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 13804 scanFlags |= SCAN_DONT_KILL_APP; 13805 } 13806 13807 // Result object to be returned 13808 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13809 13810 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 13811 13812 // Sanity check 13813 if (ephemeral && (forwardLocked || onExternal)) { 13814 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 13815 + " external=" + onExternal); 13816 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13817 return; 13818 } 13819 13820 // Retrieve PackageSettings and parse package 13821 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 13822 | PackageParser.PARSE_ENFORCE_CODE 13823 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 13824 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 13825 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 13826 PackageParser pp = new PackageParser(); 13827 pp.setSeparateProcesses(mSeparateProcesses); 13828 pp.setDisplayMetrics(mMetrics); 13829 13830 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 13831 final PackageParser.Package pkg; 13832 try { 13833 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 13834 } catch (PackageParserException e) { 13835 res.setError("Failed parse during installPackageLI", e); 13836 return; 13837 } finally { 13838 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13839 } 13840 13841 // If we are installing a clustered package add results for the children 13842 if (pkg.childPackages != null) { 13843 synchronized (mPackages) { 13844 final int childCount = pkg.childPackages.size(); 13845 for (int i = 0; i < childCount; i++) { 13846 PackageParser.Package childPkg = pkg.childPackages.get(i); 13847 PackageInstalledInfo childRes = new PackageInstalledInfo(); 13848 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13849 childRes.pkg = childPkg; 13850 childRes.name = childPkg.packageName; 13851 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13852 if (childPs != null) { 13853 childRes.origUsers = childPs.queryInstalledUsers( 13854 sUserManager.getUserIds(), true); 13855 } 13856 if ((mPackages.containsKey(childPkg.packageName))) { 13857 childRes.removedInfo = new PackageRemovedInfo(); 13858 childRes.removedInfo.removedPackage = childPkg.packageName; 13859 } 13860 if (res.addedChildPackages == null) { 13861 res.addedChildPackages = new ArrayMap<>(); 13862 } 13863 res.addedChildPackages.put(childPkg.packageName, childRes); 13864 } 13865 } 13866 } 13867 13868 // If package doesn't declare API override, mark that we have an install 13869 // time CPU ABI override. 13870 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 13871 pkg.cpuAbiOverride = args.abiOverride; 13872 } 13873 13874 String pkgName = res.name = pkg.packageName; 13875 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 13876 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 13877 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 13878 return; 13879 } 13880 } 13881 13882 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 13883 try { 13884 PackageParser.collectCertificates(pkg, parseFlags); 13885 } catch (PackageParserException e) { 13886 res.setError("Failed collect during installPackageLI", e); 13887 return; 13888 } finally { 13889 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13890 } 13891 13892 // Get rid of all references to package scan path via parser. 13893 pp = null; 13894 String oldCodePath = null; 13895 boolean systemApp = false; 13896 synchronized (mPackages) { 13897 // Check if installing already existing package 13898 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13899 String oldName = mSettings.mRenamedPackages.get(pkgName); 13900 if (pkg.mOriginalPackages != null 13901 && pkg.mOriginalPackages.contains(oldName) 13902 && mPackages.containsKey(oldName)) { 13903 // This package is derived from an original package, 13904 // and this device has been updating from that original 13905 // name. We must continue using the original name, so 13906 // rename the new package here. 13907 pkg.setPackageName(oldName); 13908 pkgName = pkg.packageName; 13909 replace = true; 13910 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 13911 + oldName + " pkgName=" + pkgName); 13912 } else if (mPackages.containsKey(pkgName)) { 13913 // This package, under its official name, already exists 13914 // on the device; we should replace it. 13915 replace = true; 13916 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 13917 } 13918 13919 // Child packages are installed through the parent package 13920 if (pkg.parentPackage != null) { 13921 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13922 "Package " + pkg.packageName + " is child of package " 13923 + pkg.parentPackage.parentPackage + ". Child packages " 13924 + "can be updated only through the parent package."); 13925 return; 13926 } 13927 13928 if (replace) { 13929 // Prevent apps opting out from runtime permissions 13930 PackageParser.Package oldPackage = mPackages.get(pkgName); 13931 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 13932 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 13933 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 13934 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 13935 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 13936 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 13937 + " doesn't support runtime permissions but the old" 13938 + " target SDK " + oldTargetSdk + " does."); 13939 return; 13940 } 13941 13942 // Prevent installing of child packages 13943 if (oldPackage.parentPackage != null) { 13944 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13945 "Package " + pkg.packageName + " is child of package " 13946 + oldPackage.parentPackage + ". Child packages " 13947 + "can be updated only through the parent package."); 13948 return; 13949 } 13950 } 13951 } 13952 13953 PackageSetting ps = mSettings.mPackages.get(pkgName); 13954 if (ps != null) { 13955 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 13956 13957 // Quick sanity check that we're signed correctly if updating; 13958 // we'll check this again later when scanning, but we want to 13959 // bail early here before tripping over redefined permissions. 13960 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13961 if (!checkUpgradeKeySetLP(ps, pkg)) { 13962 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 13963 + pkg.packageName + " upgrade keys do not match the " 13964 + "previously installed version"); 13965 return; 13966 } 13967 } else { 13968 try { 13969 verifySignaturesLP(ps, pkg); 13970 } catch (PackageManagerException e) { 13971 res.setError(e.error, e.getMessage()); 13972 return; 13973 } 13974 } 13975 13976 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 13977 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 13978 systemApp = (ps.pkg.applicationInfo.flags & 13979 ApplicationInfo.FLAG_SYSTEM) != 0; 13980 } 13981 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13982 } 13983 13984 // Check whether the newly-scanned package wants to define an already-defined perm 13985 int N = pkg.permissions.size(); 13986 for (int i = N-1; i >= 0; i--) { 13987 PackageParser.Permission perm = pkg.permissions.get(i); 13988 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 13989 if (bp != null) { 13990 // If the defining package is signed with our cert, it's okay. This 13991 // also includes the "updating the same package" case, of course. 13992 // "updating same package" could also involve key-rotation. 13993 final boolean sigsOk; 13994 if (bp.sourcePackage.equals(pkg.packageName) 13995 && (bp.packageSetting instanceof PackageSetting) 13996 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 13997 scanFlags))) { 13998 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 13999 } else { 14000 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14001 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14002 } 14003 if (!sigsOk) { 14004 // If the owning package is the system itself, we log but allow 14005 // install to proceed; we fail the install on all other permission 14006 // redefinitions. 14007 if (!bp.sourcePackage.equals("android")) { 14008 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14009 + pkg.packageName + " attempting to redeclare permission " 14010 + perm.info.name + " already owned by " + bp.sourcePackage); 14011 res.origPermission = perm.info.name; 14012 res.origPackage = bp.sourcePackage; 14013 return; 14014 } else { 14015 Slog.w(TAG, "Package " + pkg.packageName 14016 + " attempting to redeclare system permission " 14017 + perm.info.name + "; ignoring new declaration"); 14018 pkg.permissions.remove(i); 14019 } 14020 } 14021 } 14022 } 14023 } 14024 14025 if (systemApp) { 14026 if (onExternal) { 14027 // Abort update; system app can't be replaced with app on sdcard 14028 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14029 "Cannot install updates to system apps on sdcard"); 14030 return; 14031 } else if (ephemeral) { 14032 // Abort update; system app can't be replaced with an ephemeral app 14033 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14034 "Cannot update a system app with an ephemeral app"); 14035 return; 14036 } 14037 } 14038 14039 if (args.move != null) { 14040 // We did an in-place move, so dex is ready to roll 14041 scanFlags |= SCAN_NO_DEX; 14042 scanFlags |= SCAN_MOVE; 14043 14044 synchronized (mPackages) { 14045 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14046 if (ps == null) { 14047 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14048 "Missing settings for moved package " + pkgName); 14049 } 14050 14051 // We moved the entire application as-is, so bring over the 14052 // previously derived ABI information. 14053 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14054 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14055 } 14056 14057 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14058 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14059 scanFlags |= SCAN_NO_DEX; 14060 14061 try { 14062 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14063 args.abiOverride : pkg.cpuAbiOverride); 14064 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14065 true /* extract libs */); 14066 } catch (PackageManagerException pme) { 14067 Slog.e(TAG, "Error deriving application ABI", pme); 14068 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14069 return; 14070 } 14071 14072 14073 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14074 // Do not run PackageDexOptimizer through the local performDexOpt 14075 // method because `pkg` is not in `mPackages` yet. 14076 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 14077 false /* checkProfiles */, getCompilerFilterForReason(REASON_INSTALL)); 14078 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14079 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14080 String msg = "Extracking package failed for " + pkgName; 14081 res.setError(INSTALL_FAILED_DEXOPT, msg); 14082 return; 14083 } 14084 } 14085 14086 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14087 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14088 return; 14089 } 14090 14091 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14092 14093 if (replace) { 14094 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14095 installerPackageName, res); 14096 } else { 14097 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14098 args.user, installerPackageName, volumeUuid, res); 14099 } 14100 synchronized (mPackages) { 14101 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14102 if (ps != null) { 14103 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14104 } 14105 14106 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14107 for (int i = 0; i < childCount; i++) { 14108 PackageParser.Package childPkg = pkg.childPackages.get(i); 14109 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14110 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14111 if (childPs != null) { 14112 childRes.newUsers = childPs.queryInstalledUsers( 14113 sUserManager.getUserIds(), true); 14114 } 14115 } 14116 } 14117 } 14118 14119 private void startIntentFilterVerifications(int userId, boolean replacing, 14120 PackageParser.Package pkg) { 14121 if (mIntentFilterVerifierComponent == null) { 14122 Slog.w(TAG, "No IntentFilter verification will not be done as " 14123 + "there is no IntentFilterVerifier available!"); 14124 return; 14125 } 14126 14127 final int verifierUid = getPackageUid( 14128 mIntentFilterVerifierComponent.getPackageName(), 14129 MATCH_DEBUG_TRIAGED_MISSING, 14130 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14131 14132 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14133 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14134 mHandler.sendMessage(msg); 14135 14136 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14137 for (int i = 0; i < childCount; i++) { 14138 PackageParser.Package childPkg = pkg.childPackages.get(i); 14139 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14140 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14141 mHandler.sendMessage(msg); 14142 } 14143 } 14144 14145 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14146 PackageParser.Package pkg) { 14147 int size = pkg.activities.size(); 14148 if (size == 0) { 14149 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14150 "No activity, so no need to verify any IntentFilter!"); 14151 return; 14152 } 14153 14154 final boolean hasDomainURLs = hasDomainURLs(pkg); 14155 if (!hasDomainURLs) { 14156 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14157 "No domain URLs, so no need to verify any IntentFilter!"); 14158 return; 14159 } 14160 14161 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14162 + " if any IntentFilter from the " + size 14163 + " Activities needs verification ..."); 14164 14165 int count = 0; 14166 final String packageName = pkg.packageName; 14167 14168 synchronized (mPackages) { 14169 // If this is a new install and we see that we've already run verification for this 14170 // package, we have nothing to do: it means the state was restored from backup. 14171 if (!replacing) { 14172 IntentFilterVerificationInfo ivi = 14173 mSettings.getIntentFilterVerificationLPr(packageName); 14174 if (ivi != null) { 14175 if (DEBUG_DOMAIN_VERIFICATION) { 14176 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14177 + ivi.getStatusString()); 14178 } 14179 return; 14180 } 14181 } 14182 14183 // If any filters need to be verified, then all need to be. 14184 boolean needToVerify = false; 14185 for (PackageParser.Activity a : pkg.activities) { 14186 for (ActivityIntentInfo filter : a.intents) { 14187 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14188 if (DEBUG_DOMAIN_VERIFICATION) { 14189 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14190 } 14191 needToVerify = true; 14192 break; 14193 } 14194 } 14195 } 14196 14197 if (needToVerify) { 14198 final int verificationId = mIntentFilterVerificationToken++; 14199 for (PackageParser.Activity a : pkg.activities) { 14200 for (ActivityIntentInfo filter : a.intents) { 14201 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14202 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14203 "Verification needed for IntentFilter:" + filter.toString()); 14204 mIntentFilterVerifier.addOneIntentFilterVerification( 14205 verifierUid, userId, verificationId, filter, packageName); 14206 count++; 14207 } 14208 } 14209 } 14210 } 14211 } 14212 14213 if (count > 0) { 14214 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14215 + " IntentFilter verification" + (count > 1 ? "s" : "") 14216 + " for userId:" + userId); 14217 mIntentFilterVerifier.startVerifications(userId); 14218 } else { 14219 if (DEBUG_DOMAIN_VERIFICATION) { 14220 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14221 } 14222 } 14223 } 14224 14225 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14226 final ComponentName cn = filter.activity.getComponentName(); 14227 final String packageName = cn.getPackageName(); 14228 14229 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14230 packageName); 14231 if (ivi == null) { 14232 return true; 14233 } 14234 int status = ivi.getStatus(); 14235 switch (status) { 14236 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14237 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14238 return true; 14239 14240 default: 14241 // Nothing to do 14242 return false; 14243 } 14244 } 14245 14246 private static boolean isMultiArch(ApplicationInfo info) { 14247 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14248 } 14249 14250 private static boolean isExternal(PackageParser.Package pkg) { 14251 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14252 } 14253 14254 private static boolean isExternal(PackageSetting ps) { 14255 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14256 } 14257 14258 private static boolean isEphemeral(PackageParser.Package pkg) { 14259 return pkg.applicationInfo.isEphemeralApp(); 14260 } 14261 14262 private static boolean isEphemeral(PackageSetting ps) { 14263 return ps.pkg != null && isEphemeral(ps.pkg); 14264 } 14265 14266 private static boolean isSystemApp(PackageParser.Package pkg) { 14267 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14268 } 14269 14270 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14271 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14272 } 14273 14274 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14275 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14276 } 14277 14278 private static boolean isSystemApp(PackageSetting ps) { 14279 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14280 } 14281 14282 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14283 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14284 } 14285 14286 private int packageFlagsToInstallFlags(PackageSetting ps) { 14287 int installFlags = 0; 14288 if (isEphemeral(ps)) { 14289 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14290 } 14291 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14292 // This existing package was an external ASEC install when we have 14293 // the external flag without a UUID 14294 installFlags |= PackageManager.INSTALL_EXTERNAL; 14295 } 14296 if (ps.isForwardLocked()) { 14297 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14298 } 14299 return installFlags; 14300 } 14301 14302 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14303 if (isExternal(pkg)) { 14304 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14305 return StorageManager.UUID_PRIMARY_PHYSICAL; 14306 } else { 14307 return pkg.volumeUuid; 14308 } 14309 } else { 14310 return StorageManager.UUID_PRIVATE_INTERNAL; 14311 } 14312 } 14313 14314 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14315 if (isExternal(pkg)) { 14316 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14317 return mSettings.getExternalVersion(); 14318 } else { 14319 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14320 } 14321 } else { 14322 return mSettings.getInternalVersion(); 14323 } 14324 } 14325 14326 private void deleteTempPackageFiles() { 14327 final FilenameFilter filter = new FilenameFilter() { 14328 public boolean accept(File dir, String name) { 14329 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14330 } 14331 }; 14332 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14333 file.delete(); 14334 } 14335 } 14336 14337 @Override 14338 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14339 int flags) { 14340 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14341 flags); 14342 } 14343 14344 @Override 14345 public void deletePackage(final String packageName, 14346 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 14347 mContext.enforceCallingOrSelfPermission( 14348 android.Manifest.permission.DELETE_PACKAGES, null); 14349 Preconditions.checkNotNull(packageName); 14350 Preconditions.checkNotNull(observer); 14351 final int uid = Binder.getCallingUid(); 14352 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 14353 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14354 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14355 mContext.enforceCallingOrSelfPermission( 14356 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14357 "deletePackage for user " + userId); 14358 } 14359 14360 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14361 try { 14362 observer.onPackageDeleted(packageName, 14363 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14364 } catch (RemoteException re) { 14365 } 14366 return; 14367 } 14368 14369 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 14370 try { 14371 observer.onPackageDeleted(packageName, 14372 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14373 } catch (RemoteException re) { 14374 } 14375 return; 14376 } 14377 14378 if (DEBUG_REMOVE) { 14379 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 14380 + " deleteAllUsers: " + deleteAllUsers ); 14381 } 14382 // Queue up an async operation since the package deletion may take a little while. 14383 mHandler.post(new Runnable() { 14384 public void run() { 14385 mHandler.removeCallbacks(this); 14386 int returnCode; 14387 if (!deleteAllUsers) { 14388 returnCode = deletePackageX(packageName, userId, flags); 14389 } else { 14390 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 14391 // If nobody is blocking uninstall, proceed with delete for all users 14392 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 14393 returnCode = deletePackageX(packageName, userId, flags); 14394 } else { 14395 // Otherwise uninstall individually for users with blockUninstalls=false 14396 final int userFlags = flags & ~PackageManager.DELETE_ALL_USERS; 14397 for (int userId : users) { 14398 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 14399 returnCode = deletePackageX(packageName, userId, userFlags); 14400 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 14401 Slog.w(TAG, "Package delete failed for user " + userId 14402 + ", returnCode " + returnCode); 14403 } 14404 } 14405 } 14406 // The app has only been marked uninstalled for certain users. 14407 // We still need to report that delete was blocked 14408 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 14409 } 14410 } 14411 try { 14412 observer.onPackageDeleted(packageName, returnCode, null); 14413 } catch (RemoteException e) { 14414 Log.i(TAG, "Observer no longer exists."); 14415 } //end catch 14416 } //end run 14417 }); 14418 } 14419 14420 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 14421 int[] result = EMPTY_INT_ARRAY; 14422 for (int userId : userIds) { 14423 if (getBlockUninstallForUser(packageName, userId)) { 14424 result = ArrayUtils.appendInt(result, userId); 14425 } 14426 } 14427 return result; 14428 } 14429 14430 @Override 14431 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14432 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14433 } 14434 14435 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14436 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14437 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14438 try { 14439 if (dpm != null) { 14440 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14441 /* callingUserOnly =*/ false); 14442 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14443 : deviceOwnerComponentName.getPackageName(); 14444 // Does the package contains the device owner? 14445 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14446 // this check is probably not needed, since DO should be registered as a device 14447 // admin on some user too. (Original bug for this: b/17657954) 14448 if (packageName.equals(deviceOwnerPackageName)) { 14449 return true; 14450 } 14451 // Does it contain a device admin for any user? 14452 int[] users; 14453 if (userId == UserHandle.USER_ALL) { 14454 users = sUserManager.getUserIds(); 14455 } else { 14456 users = new int[]{userId}; 14457 } 14458 for (int i = 0; i < users.length; ++i) { 14459 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14460 return true; 14461 } 14462 } 14463 } 14464 } catch (RemoteException e) { 14465 } 14466 return false; 14467 } 14468 14469 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14470 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14471 } 14472 14473 /** 14474 * This method is an internal method that could be get invoked either 14475 * to delete an installed package or to clean up a failed installation. 14476 * After deleting an installed package, a broadcast is sent to notify any 14477 * listeners that the package has been installed. For cleaning up a failed 14478 * installation, the broadcast is not necessary since the package's 14479 * installation wouldn't have sent the initial broadcast either 14480 * The key steps in deleting a package are 14481 * deleting the package information in internal structures like mPackages, 14482 * deleting the packages base directories through installd 14483 * updating mSettings to reflect current status 14484 * persisting settings for later use 14485 * sending a broadcast if necessary 14486 */ 14487 private int deletePackageX(String packageName, int userId, int flags) { 14488 final PackageRemovedInfo info = new PackageRemovedInfo(); 14489 final boolean res; 14490 14491 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 14492 ? UserHandle.ALL : new UserHandle(userId); 14493 14494 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14495 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14496 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14497 } 14498 14499 PackageSetting uninstalledPs = null; 14500 14501 // for the uninstall-updates case and restricted profiles, remember the per- 14502 // user handle installed state 14503 int[] allUsers; 14504 synchronized (mPackages) { 14505 uninstalledPs = mSettings.mPackages.get(packageName); 14506 if (uninstalledPs == null) { 14507 Slog.w(TAG, "Not removing non-existent package " + packageName); 14508 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14509 } 14510 allUsers = sUserManager.getUserIds(); 14511 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14512 } 14513 14514 synchronized (mInstallLock) { 14515 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14516 res = deletePackageLI(packageName, removeForUser, true, allUsers, 14517 flags | REMOVE_CHATTY, info, true, null); 14518 deleteProfilesLI(packageName, /*destroy*/ true); 14519 synchronized (mPackages) { 14520 if (res) { 14521 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14522 } 14523 } 14524 } 14525 14526 if (res) { 14527 final boolean killApp = (flags & PackageManager.INSTALL_DONT_KILL_APP) == 0; 14528 info.sendPackageRemovedBroadcasts(killApp); 14529 info.sendSystemPackageUpdatedBroadcasts(); 14530 info.sendSystemPackageAppearedBroadcasts(); 14531 } 14532 // Force a gc here. 14533 Runtime.getRuntime().gc(); 14534 // Delete the resources here after sending the broadcast to let 14535 // other processes clean up before deleting resources. 14536 if (info.args != null) { 14537 synchronized (mInstallLock) { 14538 info.args.doPostDeleteLI(true); 14539 } 14540 } 14541 14542 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14543 } 14544 14545 class PackageRemovedInfo { 14546 String removedPackage; 14547 int uid = -1; 14548 int removedAppId = -1; 14549 int[] origUsers; 14550 int[] removedUsers = null; 14551 boolean isRemovedPackageSystemUpdate = false; 14552 boolean isUpdate; 14553 boolean dataRemoved; 14554 boolean removedForAllUsers; 14555 // Clean up resources deleted packages. 14556 InstallArgs args = null; 14557 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 14558 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 14559 14560 void sendPackageRemovedBroadcasts(boolean killApp) { 14561 sendPackageRemovedBroadcastInternal(killApp); 14562 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 14563 for (int i = 0; i < childCount; i++) { 14564 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14565 childInfo.sendPackageRemovedBroadcastInternal(killApp); 14566 } 14567 } 14568 14569 void sendSystemPackageUpdatedBroadcasts() { 14570 if (isRemovedPackageSystemUpdate) { 14571 sendSystemPackageUpdatedBroadcastsInternal(); 14572 final int childCount = (removedChildPackages != null) 14573 ? removedChildPackages.size() : 0; 14574 for (int i = 0; i < childCount; i++) { 14575 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14576 if (childInfo.isRemovedPackageSystemUpdate) { 14577 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 14578 } 14579 } 14580 } 14581 } 14582 14583 void sendSystemPackageAppearedBroadcasts() { 14584 final int packageCount = (appearedChildPackages != null) 14585 ? appearedChildPackages.size() : 0; 14586 for (int i = 0; i < packageCount; i++) { 14587 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 14588 for (int userId : installedInfo.newUsers) { 14589 sendPackageAddedForUser(installedInfo.name, true, 14590 UserHandle.getAppId(installedInfo.uid), userId); 14591 } 14592 } 14593 } 14594 14595 private void sendSystemPackageUpdatedBroadcastsInternal() { 14596 Bundle extras = new Bundle(2); 14597 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14598 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14599 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 14600 extras, 0, null, null, null); 14601 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 14602 extras, 0, null, null, null); 14603 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14604 null, 0, removedPackage, null, null); 14605 } 14606 14607 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 14608 Bundle extras = new Bundle(2); 14609 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14610 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 14611 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 14612 if (isUpdate || isRemovedPackageSystemUpdate) { 14613 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14614 } 14615 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 14616 if (removedPackage != null) { 14617 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 14618 extras, 0, null, null, removedUsers); 14619 if (dataRemoved && !isRemovedPackageSystemUpdate) { 14620 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 14621 removedPackage, extras, 0, null, null, removedUsers); 14622 } 14623 } 14624 if (removedAppId >= 0) { 14625 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 14626 removedUsers); 14627 } 14628 } 14629 } 14630 14631 /* 14632 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 14633 * flag is not set, the data directory is removed as well. 14634 * make sure this flag is set for partially installed apps. If not its meaningless to 14635 * delete a partially installed application. 14636 */ 14637 private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, 14638 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 14639 String packageName = ps.name; 14640 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 14641 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 14642 // Retrieve object to delete permissions for shared user later on 14643 final PackageSetting deletedPs; 14644 // reader 14645 synchronized (mPackages) { 14646 deletedPs = mSettings.mPackages.get(packageName); 14647 if (outInfo != null) { 14648 outInfo.removedPackage = packageName; 14649 outInfo.removedUsers = deletedPs != null 14650 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 14651 : null; 14652 } 14653 } 14654 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14655 removeDataDirsLI(ps.volumeUuid, packageName); 14656 if (outInfo != null) { 14657 outInfo.dataRemoved = true; 14658 } 14659 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 14660 } 14661 // writer 14662 synchronized (mPackages) { 14663 if (deletedPs != null) { 14664 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14665 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 14666 clearDefaultBrowserIfNeeded(packageName); 14667 if (outInfo != null) { 14668 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 14669 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 14670 } 14671 updatePermissionsLPw(deletedPs.name, null, 0); 14672 if (deletedPs.sharedUser != null) { 14673 // Remove permissions associated with package. Since runtime 14674 // permissions are per user we have to kill the removed package 14675 // or packages running under the shared user of the removed 14676 // package if revoking the permissions requested only by the removed 14677 // package is successful and this causes a change in gids. 14678 for (int userId : UserManagerService.getInstance().getUserIds()) { 14679 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 14680 userId); 14681 if (userIdToKill == UserHandle.USER_ALL 14682 || userIdToKill >= UserHandle.USER_SYSTEM) { 14683 // If gids changed for this user, kill all affected packages. 14684 mHandler.post(new Runnable() { 14685 @Override 14686 public void run() { 14687 // This has to happen with no lock held. 14688 killApplication(deletedPs.name, deletedPs.appId, 14689 KILL_APP_REASON_GIDS_CHANGED); 14690 } 14691 }); 14692 break; 14693 } 14694 } 14695 } 14696 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 14697 } 14698 // make sure to preserve per-user disabled state if this removal was just 14699 // a downgrade of a system app to the factory package 14700 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 14701 if (DEBUG_REMOVE) { 14702 Slog.d(TAG, "Propagating install state across downgrade"); 14703 } 14704 for (int userId : allUserHandles) { 14705 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14706 if (DEBUG_REMOVE) { 14707 Slog.d(TAG, " user " + userId + " => " + installed); 14708 } 14709 ps.setInstalled(installed, userId); 14710 } 14711 } 14712 } 14713 // can downgrade to reader 14714 if (writeSettings) { 14715 // Save settings now 14716 mSettings.writeLPr(); 14717 } 14718 } 14719 if (outInfo != null) { 14720 // A user ID was deleted here. Go through all users and remove it 14721 // from KeyStore. 14722 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 14723 } 14724 } 14725 14726 static boolean locationIsPrivileged(File path) { 14727 try { 14728 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 14729 .getCanonicalPath(); 14730 return path.getCanonicalPath().startsWith(privilegedAppDir); 14731 } catch (IOException e) { 14732 Slog.e(TAG, "Unable to access code path " + path); 14733 } 14734 return false; 14735 } 14736 14737 /* 14738 * Tries to delete system package. 14739 */ 14740 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 14741 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 14742 boolean writeSettings) { 14743 if (deletedPs.parentPackageName != null) { 14744 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 14745 return false; 14746 } 14747 14748 final boolean applyUserRestrictions 14749 = (allUserHandles != null) && (outInfo.origUsers != null); 14750 final PackageSetting disabledPs; 14751 // Confirm if the system package has been updated 14752 // An updated system app can be deleted. This will also have to restore 14753 // the system pkg from system partition 14754 // reader 14755 synchronized (mPackages) { 14756 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 14757 } 14758 14759 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 14760 + " disabledPs=" + disabledPs); 14761 14762 if (disabledPs == null) { 14763 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 14764 return false; 14765 } else if (DEBUG_REMOVE) { 14766 Slog.d(TAG, "Deleting system pkg from data partition"); 14767 } 14768 14769 if (DEBUG_REMOVE) { 14770 if (applyUserRestrictions) { 14771 Slog.d(TAG, "Remembering install states:"); 14772 for (int userId : allUserHandles) { 14773 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 14774 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 14775 } 14776 } 14777 } 14778 14779 // Delete the updated package 14780 outInfo.isRemovedPackageSystemUpdate = true; 14781 if (outInfo.removedChildPackages != null) { 14782 final int childCount = (deletedPs.childPackageNames != null) 14783 ? deletedPs.childPackageNames.size() : 0; 14784 for (int i = 0; i < childCount; i++) { 14785 String childPackageName = deletedPs.childPackageNames.get(i); 14786 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 14787 .contains(childPackageName)) { 14788 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14789 childPackageName); 14790 if (childInfo != null) { 14791 childInfo.isRemovedPackageSystemUpdate = true; 14792 } 14793 } 14794 } 14795 } 14796 14797 if (disabledPs.versionCode < deletedPs.versionCode) { 14798 // Delete data for downgrades 14799 flags &= ~PackageManager.DELETE_KEEP_DATA; 14800 } else { 14801 // Preserve data by setting flag 14802 flags |= PackageManager.DELETE_KEEP_DATA; 14803 } 14804 14805 boolean ret = deleteInstalledPackageLI(deletedPs, true, flags, allUserHandles, 14806 outInfo, writeSettings, disabledPs.pkg); 14807 if (!ret) { 14808 return false; 14809 } 14810 14811 // writer 14812 synchronized (mPackages) { 14813 // Reinstate the old system package 14814 enableSystemPackageLPw(disabledPs.pkg); 14815 // Remove any native libraries from the upgraded package. 14816 removeNativeBinariesLI(deletedPs); 14817 } 14818 14819 // Install the system package 14820 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 14821 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 14822 if (locationIsPrivileged(disabledPs.codePath)) { 14823 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 14824 } 14825 14826 final PackageParser.Package newPkg; 14827 try { 14828 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 14829 } catch (PackageManagerException e) { 14830 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 14831 + e.getMessage()); 14832 return false; 14833 } 14834 14835 prepareAppDataAfterInstall(newPkg); 14836 14837 // writer 14838 synchronized (mPackages) { 14839 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 14840 14841 // Propagate the permissions state as we do not want to drop on the floor 14842 // runtime permissions. The update permissions method below will take 14843 // care of removing obsolete permissions and grant install permissions. 14844 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 14845 updatePermissionsLPw(newPkg.packageName, newPkg, 14846 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 14847 14848 if (applyUserRestrictions) { 14849 if (DEBUG_REMOVE) { 14850 Slog.d(TAG, "Propagating install state across reinstall"); 14851 } 14852 for (int userId : allUserHandles) { 14853 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14854 if (DEBUG_REMOVE) { 14855 Slog.d(TAG, " user " + userId + " => " + installed); 14856 } 14857 ps.setInstalled(installed, userId); 14858 14859 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 14860 } 14861 // Regardless of writeSettings we need to ensure that this restriction 14862 // state propagation is persisted 14863 mSettings.writeAllUsersPackageRestrictionsLPr(); 14864 } 14865 // can downgrade to reader here 14866 if (writeSettings) { 14867 mSettings.writeLPr(); 14868 } 14869 } 14870 return true; 14871 } 14872 14873 private boolean deleteInstalledPackageLI(PackageSetting ps, 14874 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 14875 PackageRemovedInfo outInfo, boolean writeSettings, 14876 PackageParser.Package replacingPackage) { 14877 synchronized (mPackages) { 14878 if (outInfo != null) { 14879 outInfo.uid = ps.appId; 14880 } 14881 14882 if (outInfo != null && outInfo.removedChildPackages != null) { 14883 final int childCount = (ps.childPackageNames != null) 14884 ? ps.childPackageNames.size() : 0; 14885 for (int i = 0; i < childCount; i++) { 14886 String childPackageName = ps.childPackageNames.get(i); 14887 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 14888 if (childPs == null) { 14889 return false; 14890 } 14891 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14892 childPackageName); 14893 if (childInfo != null) { 14894 childInfo.uid = childPs.appId; 14895 } 14896 } 14897 } 14898 } 14899 14900 // Delete package data from internal structures and also remove data if flag is set 14901 removePackageDataLI(ps, allUserHandles, outInfo, flags, writeSettings); 14902 14903 // Delete the child packages data 14904 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14905 for (int i = 0; i < childCount; i++) { 14906 PackageSetting childPs; 14907 synchronized (mPackages) { 14908 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14909 } 14910 if (childPs != null) { 14911 PackageRemovedInfo childOutInfo = (outInfo != null 14912 && outInfo.removedChildPackages != null) 14913 ? outInfo.removedChildPackages.get(childPs.name) : null; 14914 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 14915 && (replacingPackage != null 14916 && !replacingPackage.hasChildPackage(childPs.name)) 14917 ? flags & ~DELETE_KEEP_DATA : flags; 14918 removePackageDataLI(childPs, allUserHandles, childOutInfo, 14919 deleteFlags, writeSettings); 14920 } 14921 } 14922 14923 // Delete application code and resources only for parent packages 14924 if (ps.parentPackageName == null) { 14925 if (deleteCodeAndResources && (outInfo != null)) { 14926 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 14927 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 14928 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 14929 } 14930 } 14931 14932 return true; 14933 } 14934 14935 @Override 14936 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 14937 int userId) { 14938 mContext.enforceCallingOrSelfPermission( 14939 android.Manifest.permission.DELETE_PACKAGES, null); 14940 synchronized (mPackages) { 14941 PackageSetting ps = mSettings.mPackages.get(packageName); 14942 if (ps == null) { 14943 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 14944 return false; 14945 } 14946 if (!ps.getInstalled(userId)) { 14947 // Can't block uninstall for an app that is not installed or enabled. 14948 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 14949 return false; 14950 } 14951 ps.setBlockUninstall(blockUninstall, userId); 14952 mSettings.writePackageRestrictionsLPr(userId); 14953 } 14954 return true; 14955 } 14956 14957 @Override 14958 public boolean getBlockUninstallForUser(String packageName, int userId) { 14959 synchronized (mPackages) { 14960 PackageSetting ps = mSettings.mPackages.get(packageName); 14961 if (ps == null) { 14962 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 14963 return false; 14964 } 14965 return ps.getBlockUninstall(userId); 14966 } 14967 } 14968 14969 @Override 14970 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 14971 int callingUid = Binder.getCallingUid(); 14972 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 14973 throw new SecurityException( 14974 "setRequiredForSystemUser can only be run by the system or root"); 14975 } 14976 synchronized (mPackages) { 14977 PackageSetting ps = mSettings.mPackages.get(packageName); 14978 if (ps == null) { 14979 Log.w(TAG, "Package doesn't exist: " + packageName); 14980 return false; 14981 } 14982 if (systemUserApp) { 14983 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14984 } else { 14985 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14986 } 14987 mSettings.writeLPr(); 14988 } 14989 return true; 14990 } 14991 14992 /* 14993 * This method handles package deletion in general 14994 */ 14995 private boolean deletePackageLI(String packageName, UserHandle user, 14996 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 14997 PackageRemovedInfo outInfo, boolean writeSettings, 14998 PackageParser.Package replacingPackage) { 14999 if (packageName == null) { 15000 Slog.w(TAG, "Attempt to delete null packageName."); 15001 return false; 15002 } 15003 15004 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15005 15006 PackageSetting ps; 15007 15008 synchronized (mPackages) { 15009 ps = mSettings.mPackages.get(packageName); 15010 if (ps == null) { 15011 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15012 return false; 15013 } 15014 15015 if (ps.parentPackageName != null && (!isSystemApp(ps) 15016 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15017 if (DEBUG_REMOVE) { 15018 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15019 + ((user == null) ? UserHandle.USER_ALL : user)); 15020 } 15021 final int removedUserId = (user != null) ? user.getIdentifier() 15022 : UserHandle.USER_ALL; 15023 if (!clearPackageStateForUser(ps, removedUserId, outInfo)) { 15024 return false; 15025 } 15026 markPackageUninstalledForUserLPw(ps, user); 15027 scheduleWritePackageRestrictionsLocked(user); 15028 return true; 15029 } 15030 } 15031 15032 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15033 && user.getIdentifier() != UserHandle.USER_ALL)) { 15034 // The caller is asking that the package only be deleted for a single 15035 // user. To do this, we just mark its uninstalled state and delete 15036 // its data. If this is a system app, we only allow this to happen if 15037 // they have set the special DELETE_SYSTEM_APP which requests different 15038 // semantics than normal for uninstalling system apps. 15039 markPackageUninstalledForUserLPw(ps, user); 15040 15041 if (!isSystemApp(ps)) { 15042 // Do not uninstall the APK if an app should be cached 15043 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15044 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15045 // Other user still have this package installed, so all 15046 // we need to do is clear this user's data and save that 15047 // it is uninstalled. 15048 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15049 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15050 return false; 15051 } 15052 scheduleWritePackageRestrictionsLocked(user); 15053 return true; 15054 } else { 15055 // We need to set it back to 'installed' so the uninstall 15056 // broadcasts will be sent correctly. 15057 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15058 ps.setInstalled(true, user.getIdentifier()); 15059 } 15060 } else { 15061 // This is a system app, so we assume that the 15062 // other users still have this package installed, so all 15063 // we need to do is clear this user's data and save that 15064 // it is uninstalled. 15065 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15066 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15067 return false; 15068 } 15069 scheduleWritePackageRestrictionsLocked(user); 15070 return true; 15071 } 15072 } 15073 15074 // If we are deleting a composite package for all users, keep track 15075 // of result for each child. 15076 if (ps.childPackageNames != null && outInfo != null) { 15077 synchronized (mPackages) { 15078 final int childCount = ps.childPackageNames.size(); 15079 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15080 for (int i = 0; i < childCount; i++) { 15081 String childPackageName = ps.childPackageNames.get(i); 15082 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15083 childInfo.removedPackage = childPackageName; 15084 outInfo.removedChildPackages.put(childPackageName, childInfo); 15085 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15086 if (childPs != null) { 15087 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15088 } 15089 } 15090 } 15091 } 15092 15093 boolean ret = false; 15094 if (isSystemApp(ps)) { 15095 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15096 // When an updated system application is deleted we delete the existing resources 15097 // as well and fall back to existing code in system partition 15098 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15099 } else { 15100 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15101 // Kill application pre-emptively especially for apps on sd. 15102 final boolean killApp = (flags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15103 if (killApp) { 15104 killApplication(packageName, ps.appId, "uninstall pkg"); 15105 } 15106 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, allUserHandles, 15107 outInfo, writeSettings, replacingPackage); 15108 } 15109 15110 // Take a note whether we deleted the package for all users 15111 if (outInfo != null) { 15112 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15113 if (outInfo.removedChildPackages != null) { 15114 synchronized (mPackages) { 15115 final int childCount = outInfo.removedChildPackages.size(); 15116 for (int i = 0; i < childCount; i++) { 15117 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15118 if (childInfo != null) { 15119 childInfo.removedForAllUsers = mPackages.get( 15120 childInfo.removedPackage) == null; 15121 } 15122 } 15123 } 15124 } 15125 // If we uninstalled an update to a system app there may be some 15126 // child packages that appeared as they are declared in the system 15127 // app but were not declared in the update. 15128 if (isSystemApp(ps)) { 15129 synchronized (mPackages) { 15130 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15131 final int childCount = (updatedPs.childPackageNames != null) 15132 ? updatedPs.childPackageNames.size() : 0; 15133 for (int i = 0; i < childCount; i++) { 15134 String childPackageName = updatedPs.childPackageNames.get(i); 15135 if (outInfo.removedChildPackages == null 15136 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15137 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15138 if (childPs == null) { 15139 continue; 15140 } 15141 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15142 installRes.name = childPackageName; 15143 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15144 installRes.pkg = mPackages.get(childPackageName); 15145 installRes.uid = childPs.pkg.applicationInfo.uid; 15146 if (outInfo.appearedChildPackages == null) { 15147 outInfo.appearedChildPackages = new ArrayMap<>(); 15148 } 15149 outInfo.appearedChildPackages.put(childPackageName, installRes); 15150 } 15151 } 15152 } 15153 } 15154 } 15155 15156 return ret; 15157 } 15158 15159 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15160 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15161 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15162 for (int nextUserId : userIds) { 15163 if (DEBUG_REMOVE) { 15164 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15165 } 15166 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 15167 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15168 false /*hidden*/, false /*suspended*/, null, null, null, 15169 false /*blockUninstall*/, 15170 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15171 } 15172 } 15173 15174 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 15175 PackageRemovedInfo outInfo) { 15176 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15177 : new int[] {userId}; 15178 for (int nextUserId : userIds) { 15179 if (DEBUG_REMOVE) { 15180 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15181 + nextUserId); 15182 } 15183 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 15184 try { 15185 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 15186 } catch (InstallerException e) { 15187 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 15188 return false; 15189 } 15190 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15191 schedulePackageCleaning(ps.name, nextUserId, false); 15192 synchronized (mPackages) { 15193 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15194 scheduleWritePackageRestrictionsLocked(nextUserId); 15195 } 15196 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15197 } 15198 } 15199 15200 if (outInfo != null) { 15201 outInfo.removedPackage = ps.name; 15202 outInfo.removedAppId = ps.appId; 15203 outInfo.removedUsers = userIds; 15204 } 15205 15206 return true; 15207 } 15208 15209 private final class ClearStorageConnection implements ServiceConnection { 15210 IMediaContainerService mContainerService; 15211 15212 @Override 15213 public void onServiceConnected(ComponentName name, IBinder service) { 15214 synchronized (this) { 15215 mContainerService = IMediaContainerService.Stub.asInterface(service); 15216 notifyAll(); 15217 } 15218 } 15219 15220 @Override 15221 public void onServiceDisconnected(ComponentName name) { 15222 } 15223 } 15224 15225 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15226 final boolean mounted; 15227 if (Environment.isExternalStorageEmulated()) { 15228 mounted = true; 15229 } else { 15230 final String status = Environment.getExternalStorageState(); 15231 15232 mounted = status.equals(Environment.MEDIA_MOUNTED) 15233 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15234 } 15235 15236 if (!mounted) { 15237 return; 15238 } 15239 15240 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15241 int[] users; 15242 if (userId == UserHandle.USER_ALL) { 15243 users = sUserManager.getUserIds(); 15244 } else { 15245 users = new int[] { userId }; 15246 } 15247 final ClearStorageConnection conn = new ClearStorageConnection(); 15248 if (mContext.bindServiceAsUser( 15249 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15250 try { 15251 for (int curUser : users) { 15252 long timeout = SystemClock.uptimeMillis() + 5000; 15253 synchronized (conn) { 15254 long now = SystemClock.uptimeMillis(); 15255 while (conn.mContainerService == null && now < timeout) { 15256 try { 15257 conn.wait(timeout - now); 15258 } catch (InterruptedException e) { 15259 } 15260 } 15261 } 15262 if (conn.mContainerService == null) { 15263 return; 15264 } 15265 15266 final UserEnvironment userEnv = new UserEnvironment(curUser); 15267 clearDirectory(conn.mContainerService, 15268 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15269 if (allData) { 15270 clearDirectory(conn.mContainerService, 15271 userEnv.buildExternalStorageAppDataDirs(packageName)); 15272 clearDirectory(conn.mContainerService, 15273 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15274 } 15275 } 15276 } finally { 15277 mContext.unbindService(conn); 15278 } 15279 } 15280 } 15281 15282 @Override 15283 public void clearApplicationProfileData(String packageName) { 15284 enforceSystemOrRoot("Only the system can clear all profile data"); 15285 try { 15286 mInstaller.clearAppProfiles(packageName); 15287 } catch (InstallerException ex) { 15288 Log.e(TAG, "Could not clear profile data of package " + packageName); 15289 } 15290 } 15291 15292 @Override 15293 public void clearApplicationUserData(final String packageName, 15294 final IPackageDataObserver observer, final int userId) { 15295 mContext.enforceCallingOrSelfPermission( 15296 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15297 15298 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15299 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15300 15301 final DevicePolicyManagerInternal dpmi = LocalServices 15302 .getService(DevicePolicyManagerInternal.class); 15303 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15304 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15305 } 15306 // Queue up an async operation since the package deletion may take a little while. 15307 mHandler.post(new Runnable() { 15308 public void run() { 15309 mHandler.removeCallbacks(this); 15310 final boolean succeeded; 15311 synchronized (mInstallLock) { 15312 succeeded = clearApplicationUserDataLI(packageName, userId); 15313 } 15314 clearExternalStorageDataSync(packageName, userId, true); 15315 if (succeeded) { 15316 // invoke DeviceStorageMonitor's update method to clear any notifications 15317 DeviceStorageMonitorInternal dsm = LocalServices 15318 .getService(DeviceStorageMonitorInternal.class); 15319 if (dsm != null) { 15320 dsm.checkMemory(); 15321 } 15322 } 15323 if(observer != null) { 15324 try { 15325 observer.onRemoveCompleted(packageName, succeeded); 15326 } catch (RemoteException e) { 15327 Log.i(TAG, "Observer no longer exists."); 15328 } 15329 } //end if observer 15330 } //end run 15331 }); 15332 } 15333 15334 private boolean clearApplicationUserDataLI(String packageName, int userId) { 15335 if (packageName == null) { 15336 Slog.w(TAG, "Attempt to delete null packageName."); 15337 return false; 15338 } 15339 15340 // Try finding details about the requested package 15341 PackageParser.Package pkg; 15342 synchronized (mPackages) { 15343 pkg = mPackages.get(packageName); 15344 if (pkg == null) { 15345 final PackageSetting ps = mSettings.mPackages.get(packageName); 15346 if (ps != null) { 15347 pkg = ps.pkg; 15348 } 15349 } 15350 15351 if (pkg == null) { 15352 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15353 return false; 15354 } 15355 15356 PackageSetting ps = (PackageSetting) pkg.mExtras; 15357 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15358 } 15359 15360 // Always delete data directories for package, even if we found no other 15361 // record of app. This helps users recover from UID mismatches without 15362 // resorting to a full data wipe. 15363 // TODO: triage flags as part of 26466827 15364 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15365 try { 15366 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 15367 } catch (InstallerException e) { 15368 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 15369 return false; 15370 } 15371 15372 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15373 removeKeystoreDataIfNeeded(userId, appId); 15374 15375 // Create a native library symlink only if we have native libraries 15376 // and if the native libraries are 32 bit libraries. We do not provide 15377 // this symlink for 64 bit libraries. 15378 if (pkg.applicationInfo.primaryCpuAbi != null && 15379 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 15380 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 15381 try { 15382 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 15383 nativeLibPath, userId); 15384 } catch (InstallerException e) { 15385 Slog.w(TAG, "Failed linking native library dir", e); 15386 return false; 15387 } 15388 } 15389 15390 return true; 15391 } 15392 15393 /** 15394 * Reverts user permission state changes (permissions and flags) in 15395 * all packages for a given user. 15396 * 15397 * @param userId The device user for which to do a reset. 15398 */ 15399 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15400 final int packageCount = mPackages.size(); 15401 for (int i = 0; i < packageCount; i++) { 15402 PackageParser.Package pkg = mPackages.valueAt(i); 15403 PackageSetting ps = (PackageSetting) pkg.mExtras; 15404 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15405 } 15406 } 15407 15408 /** 15409 * Reverts user permission state changes (permissions and flags). 15410 * 15411 * @param ps The package for which to reset. 15412 * @param userId The device user for which to do a reset. 15413 */ 15414 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15415 final PackageSetting ps, final int userId) { 15416 if (ps.pkg == null) { 15417 return; 15418 } 15419 15420 // These are flags that can change base on user actions. 15421 final int userSettableMask = FLAG_PERMISSION_USER_SET 15422 | FLAG_PERMISSION_USER_FIXED 15423 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15424 | FLAG_PERMISSION_REVIEW_REQUIRED; 15425 15426 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15427 | FLAG_PERMISSION_POLICY_FIXED; 15428 15429 boolean writeInstallPermissions = false; 15430 boolean writeRuntimePermissions = false; 15431 15432 final int permissionCount = ps.pkg.requestedPermissions.size(); 15433 for (int i = 0; i < permissionCount; i++) { 15434 String permission = ps.pkg.requestedPermissions.get(i); 15435 15436 BasePermission bp = mSettings.mPermissions.get(permission); 15437 if (bp == null) { 15438 continue; 15439 } 15440 15441 // If shared user we just reset the state to which only this app contributed. 15442 if (ps.sharedUser != null) { 15443 boolean used = false; 15444 final int packageCount = ps.sharedUser.packages.size(); 15445 for (int j = 0; j < packageCount; j++) { 15446 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15447 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15448 && pkg.pkg.requestedPermissions.contains(permission)) { 15449 used = true; 15450 break; 15451 } 15452 } 15453 if (used) { 15454 continue; 15455 } 15456 } 15457 15458 PermissionsState permissionsState = ps.getPermissionsState(); 15459 15460 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15461 15462 // Always clear the user settable flags. 15463 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15464 bp.name) != null; 15465 // If permission review is enabled and this is a legacy app, mark the 15466 // permission as requiring a review as this is the initial state. 15467 int flags = 0; 15468 if (Build.PERMISSIONS_REVIEW_REQUIRED 15469 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15470 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15471 } 15472 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15473 if (hasInstallState) { 15474 writeInstallPermissions = true; 15475 } else { 15476 writeRuntimePermissions = true; 15477 } 15478 } 15479 15480 // Below is only runtime permission handling. 15481 if (!bp.isRuntime()) { 15482 continue; 15483 } 15484 15485 // Never clobber system or policy. 15486 if ((oldFlags & policyOrSystemFlags) != 0) { 15487 continue; 15488 } 15489 15490 // If this permission was granted by default, make sure it is. 15491 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15492 if (permissionsState.grantRuntimePermission(bp, userId) 15493 != PERMISSION_OPERATION_FAILURE) { 15494 writeRuntimePermissions = true; 15495 } 15496 // If permission review is enabled the permissions for a legacy apps 15497 // are represented as constantly granted runtime ones, so don't revoke. 15498 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15499 // Otherwise, reset the permission. 15500 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15501 switch (revokeResult) { 15502 case PERMISSION_OPERATION_SUCCESS: { 15503 writeRuntimePermissions = true; 15504 } break; 15505 15506 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15507 writeRuntimePermissions = true; 15508 final int appId = ps.appId; 15509 mHandler.post(new Runnable() { 15510 @Override 15511 public void run() { 15512 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 15513 } 15514 }); 15515 } break; 15516 } 15517 } 15518 } 15519 15520 // Synchronously write as we are taking permissions away. 15521 if (writeRuntimePermissions) { 15522 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15523 } 15524 15525 // Synchronously write as we are taking permissions away. 15526 if (writeInstallPermissions) { 15527 mSettings.writeLPr(); 15528 } 15529 } 15530 15531 /** 15532 * Remove entries from the keystore daemon. Will only remove it if the 15533 * {@code appId} is valid. 15534 */ 15535 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15536 if (appId < 0) { 15537 return; 15538 } 15539 15540 final KeyStore keyStore = KeyStore.getInstance(); 15541 if (keyStore != null) { 15542 if (userId == UserHandle.USER_ALL) { 15543 for (final int individual : sUserManager.getUserIds()) { 15544 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15545 } 15546 } else { 15547 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15548 } 15549 } else { 15550 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15551 } 15552 } 15553 15554 @Override 15555 public void deleteApplicationCacheFiles(final String packageName, 15556 final IPackageDataObserver observer) { 15557 mContext.enforceCallingOrSelfPermission( 15558 android.Manifest.permission.DELETE_CACHE_FILES, null); 15559 // Queue up an async operation since the package deletion may take a little while. 15560 final int userId = UserHandle.getCallingUserId(); 15561 mHandler.post(new Runnable() { 15562 public void run() { 15563 mHandler.removeCallbacks(this); 15564 final boolean succeded; 15565 synchronized (mInstallLock) { 15566 succeded = deleteApplicationCacheFilesLI(packageName, userId); 15567 } 15568 clearExternalStorageDataSync(packageName, userId, false); 15569 if (observer != null) { 15570 try { 15571 observer.onRemoveCompleted(packageName, succeded); 15572 } catch (RemoteException e) { 15573 Log.i(TAG, "Observer no longer exists."); 15574 } 15575 } //end if observer 15576 } //end run 15577 }); 15578 } 15579 15580 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 15581 if (packageName == null) { 15582 Slog.w(TAG, "Attempt to delete null packageName."); 15583 return false; 15584 } 15585 PackageParser.Package p; 15586 synchronized (mPackages) { 15587 p = mPackages.get(packageName); 15588 } 15589 if (p == null) { 15590 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15591 return false; 15592 } 15593 final ApplicationInfo applicationInfo = p.applicationInfo; 15594 if (applicationInfo == null) { 15595 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15596 return false; 15597 } 15598 // TODO: triage flags as part of 26466827 15599 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15600 try { 15601 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 15602 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 15603 } catch (InstallerException e) { 15604 Slog.w(TAG, "Couldn't remove cache files for package " 15605 + packageName + " u" + userId, e); 15606 return false; 15607 } 15608 return true; 15609 } 15610 15611 @Override 15612 public void getPackageSizeInfo(final String packageName, int userHandle, 15613 final IPackageStatsObserver observer) { 15614 mContext.enforceCallingOrSelfPermission( 15615 android.Manifest.permission.GET_PACKAGE_SIZE, null); 15616 if (packageName == null) { 15617 throw new IllegalArgumentException("Attempt to get size of null packageName"); 15618 } 15619 15620 PackageStats stats = new PackageStats(packageName, userHandle); 15621 15622 /* 15623 * Queue up an async operation since the package measurement may take a 15624 * little while. 15625 */ 15626 Message msg = mHandler.obtainMessage(INIT_COPY); 15627 msg.obj = new MeasureParams(stats, observer); 15628 mHandler.sendMessage(msg); 15629 } 15630 15631 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 15632 PackageStats pStats) { 15633 if (packageName == null) { 15634 Slog.w(TAG, "Attempt to get size of null packageName."); 15635 return false; 15636 } 15637 PackageParser.Package p; 15638 boolean dataOnly = false; 15639 String libDirRoot = null; 15640 String asecPath = null; 15641 PackageSetting ps = null; 15642 synchronized (mPackages) { 15643 p = mPackages.get(packageName); 15644 ps = mSettings.mPackages.get(packageName); 15645 if(p == null) { 15646 dataOnly = true; 15647 if((ps == null) || (ps.pkg == null)) { 15648 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15649 return false; 15650 } 15651 p = ps.pkg; 15652 } 15653 if (ps != null) { 15654 libDirRoot = ps.legacyNativeLibraryPathString; 15655 } 15656 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 15657 final long token = Binder.clearCallingIdentity(); 15658 try { 15659 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 15660 if (secureContainerId != null) { 15661 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 15662 } 15663 } finally { 15664 Binder.restoreCallingIdentity(token); 15665 } 15666 } 15667 } 15668 String publicSrcDir = null; 15669 if(!dataOnly) { 15670 final ApplicationInfo applicationInfo = p.applicationInfo; 15671 if (applicationInfo == null) { 15672 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15673 return false; 15674 } 15675 if (p.isForwardLocked()) { 15676 publicSrcDir = applicationInfo.getBaseResourcePath(); 15677 } 15678 } 15679 // TODO: extend to measure size of split APKs 15680 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 15681 // not just the first level. 15682 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 15683 // just the primary. 15684 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 15685 15686 String apkPath; 15687 File packageDir = new File(p.codePath); 15688 15689 if (packageDir.isDirectory() && p.canHaveOatDir()) { 15690 apkPath = packageDir.getAbsolutePath(); 15691 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 15692 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 15693 libDirRoot = null; 15694 } 15695 } else { 15696 apkPath = p.baseCodePath; 15697 } 15698 15699 // TODO: triage flags as part of 26466827 15700 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15701 try { 15702 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 15703 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 15704 } catch (InstallerException e) { 15705 return false; 15706 } 15707 15708 // Fix-up for forward-locked applications in ASEC containers. 15709 if (!isExternal(p)) { 15710 pStats.codeSize += pStats.externalCodeSize; 15711 pStats.externalCodeSize = 0L; 15712 } 15713 15714 return true; 15715 } 15716 15717 private int getUidTargetSdkVersionLockedLPr(int uid) { 15718 Object obj = mSettings.getUserIdLPr(uid); 15719 if (obj instanceof SharedUserSetting) { 15720 final SharedUserSetting sus = (SharedUserSetting) obj; 15721 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 15722 final Iterator<PackageSetting> it = sus.packages.iterator(); 15723 while (it.hasNext()) { 15724 final PackageSetting ps = it.next(); 15725 if (ps.pkg != null) { 15726 int v = ps.pkg.applicationInfo.targetSdkVersion; 15727 if (v < vers) vers = v; 15728 } 15729 } 15730 return vers; 15731 } else if (obj instanceof PackageSetting) { 15732 final PackageSetting ps = (PackageSetting) obj; 15733 if (ps.pkg != null) { 15734 return ps.pkg.applicationInfo.targetSdkVersion; 15735 } 15736 } 15737 return Build.VERSION_CODES.CUR_DEVELOPMENT; 15738 } 15739 15740 @Override 15741 public void addPreferredActivity(IntentFilter filter, int match, 15742 ComponentName[] set, ComponentName activity, int userId) { 15743 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15744 "Adding preferred"); 15745 } 15746 15747 private void addPreferredActivityInternal(IntentFilter filter, int match, 15748 ComponentName[] set, ComponentName activity, boolean always, int userId, 15749 String opname) { 15750 // writer 15751 int callingUid = Binder.getCallingUid(); 15752 enforceCrossUserPermission(callingUid, userId, 15753 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 15754 if (filter.countActions() == 0) { 15755 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15756 return; 15757 } 15758 synchronized (mPackages) { 15759 if (mContext.checkCallingOrSelfPermission( 15760 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15761 != PackageManager.PERMISSION_GRANTED) { 15762 if (getUidTargetSdkVersionLockedLPr(callingUid) 15763 < Build.VERSION_CODES.FROYO) { 15764 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 15765 + callingUid); 15766 return; 15767 } 15768 mContext.enforceCallingOrSelfPermission( 15769 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15770 } 15771 15772 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 15773 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 15774 + userId + ":"); 15775 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15776 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 15777 scheduleWritePackageRestrictionsLocked(userId); 15778 } 15779 } 15780 15781 @Override 15782 public void replacePreferredActivity(IntentFilter filter, int match, 15783 ComponentName[] set, ComponentName activity, int userId) { 15784 if (filter.countActions() != 1) { 15785 throw new IllegalArgumentException( 15786 "replacePreferredActivity expects filter to have only 1 action."); 15787 } 15788 if (filter.countDataAuthorities() != 0 15789 || filter.countDataPaths() != 0 15790 || filter.countDataSchemes() > 1 15791 || filter.countDataTypes() != 0) { 15792 throw new IllegalArgumentException( 15793 "replacePreferredActivity expects filter to have no data authorities, " + 15794 "paths, or types; and at most one scheme."); 15795 } 15796 15797 final int callingUid = Binder.getCallingUid(); 15798 enforceCrossUserPermission(callingUid, userId, 15799 true /* requireFullPermission */, false /* checkShell */, 15800 "replace preferred activity"); 15801 synchronized (mPackages) { 15802 if (mContext.checkCallingOrSelfPermission( 15803 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15804 != PackageManager.PERMISSION_GRANTED) { 15805 if (getUidTargetSdkVersionLockedLPr(callingUid) 15806 < Build.VERSION_CODES.FROYO) { 15807 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 15808 + Binder.getCallingUid()); 15809 return; 15810 } 15811 mContext.enforceCallingOrSelfPermission( 15812 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15813 } 15814 15815 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15816 if (pir != null) { 15817 // Get all of the existing entries that exactly match this filter. 15818 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 15819 if (existing != null && existing.size() == 1) { 15820 PreferredActivity cur = existing.get(0); 15821 if (DEBUG_PREFERRED) { 15822 Slog.i(TAG, "Checking replace of preferred:"); 15823 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15824 if (!cur.mPref.mAlways) { 15825 Slog.i(TAG, " -- CUR; not mAlways!"); 15826 } else { 15827 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 15828 Slog.i(TAG, " -- CUR: mSet=" 15829 + Arrays.toString(cur.mPref.mSetComponents)); 15830 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 15831 Slog.i(TAG, " -- NEW: mMatch=" 15832 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 15833 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 15834 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 15835 } 15836 } 15837 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 15838 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 15839 && cur.mPref.sameSet(set)) { 15840 // Setting the preferred activity to what it happens to be already 15841 if (DEBUG_PREFERRED) { 15842 Slog.i(TAG, "Replacing with same preferred activity " 15843 + cur.mPref.mShortComponent + " for user " 15844 + userId + ":"); 15845 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15846 } 15847 return; 15848 } 15849 } 15850 15851 if (existing != null) { 15852 if (DEBUG_PREFERRED) { 15853 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 15854 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15855 } 15856 for (int i = 0; i < existing.size(); i++) { 15857 PreferredActivity pa = existing.get(i); 15858 if (DEBUG_PREFERRED) { 15859 Slog.i(TAG, "Removing existing preferred activity " 15860 + pa.mPref.mComponent + ":"); 15861 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 15862 } 15863 pir.removeFilter(pa); 15864 } 15865 } 15866 } 15867 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15868 "Replacing preferred"); 15869 } 15870 } 15871 15872 @Override 15873 public void clearPackagePreferredActivities(String packageName) { 15874 final int uid = Binder.getCallingUid(); 15875 // writer 15876 synchronized (mPackages) { 15877 PackageParser.Package pkg = mPackages.get(packageName); 15878 if (pkg == null || pkg.applicationInfo.uid != uid) { 15879 if (mContext.checkCallingOrSelfPermission( 15880 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15881 != PackageManager.PERMISSION_GRANTED) { 15882 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 15883 < Build.VERSION_CODES.FROYO) { 15884 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 15885 + Binder.getCallingUid()); 15886 return; 15887 } 15888 mContext.enforceCallingOrSelfPermission( 15889 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15890 } 15891 } 15892 15893 int user = UserHandle.getCallingUserId(); 15894 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 15895 scheduleWritePackageRestrictionsLocked(user); 15896 } 15897 } 15898 } 15899 15900 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15901 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 15902 ArrayList<PreferredActivity> removed = null; 15903 boolean changed = false; 15904 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15905 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 15906 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15907 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 15908 continue; 15909 } 15910 Iterator<PreferredActivity> it = pir.filterIterator(); 15911 while (it.hasNext()) { 15912 PreferredActivity pa = it.next(); 15913 // Mark entry for removal only if it matches the package name 15914 // and the entry is of type "always". 15915 if (packageName == null || 15916 (pa.mPref.mComponent.getPackageName().equals(packageName) 15917 && pa.mPref.mAlways)) { 15918 if (removed == null) { 15919 removed = new ArrayList<PreferredActivity>(); 15920 } 15921 removed.add(pa); 15922 } 15923 } 15924 if (removed != null) { 15925 for (int j=0; j<removed.size(); j++) { 15926 PreferredActivity pa = removed.get(j); 15927 pir.removeFilter(pa); 15928 } 15929 changed = true; 15930 } 15931 } 15932 return changed; 15933 } 15934 15935 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15936 private void clearIntentFilterVerificationsLPw(int userId) { 15937 final int packageCount = mPackages.size(); 15938 for (int i = 0; i < packageCount; i++) { 15939 PackageParser.Package pkg = mPackages.valueAt(i); 15940 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 15941 } 15942 } 15943 15944 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15945 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 15946 if (userId == UserHandle.USER_ALL) { 15947 if (mSettings.removeIntentFilterVerificationLPw(packageName, 15948 sUserManager.getUserIds())) { 15949 for (int oneUserId : sUserManager.getUserIds()) { 15950 scheduleWritePackageRestrictionsLocked(oneUserId); 15951 } 15952 } 15953 } else { 15954 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 15955 scheduleWritePackageRestrictionsLocked(userId); 15956 } 15957 } 15958 } 15959 15960 void clearDefaultBrowserIfNeeded(String packageName) { 15961 for (int oneUserId : sUserManager.getUserIds()) { 15962 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 15963 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 15964 if (packageName.equals(defaultBrowserPackageName)) { 15965 setDefaultBrowserPackageName(null, oneUserId); 15966 } 15967 } 15968 } 15969 15970 @Override 15971 public void resetApplicationPreferences(int userId) { 15972 mContext.enforceCallingOrSelfPermission( 15973 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15974 // writer 15975 synchronized (mPackages) { 15976 final long identity = Binder.clearCallingIdentity(); 15977 try { 15978 clearPackagePreferredActivitiesLPw(null, userId); 15979 mSettings.applyDefaultPreferredAppsLPw(this, userId); 15980 // TODO: We have to reset the default SMS and Phone. This requires 15981 // significant refactoring to keep all default apps in the package 15982 // manager (cleaner but more work) or have the services provide 15983 // callbacks to the package manager to request a default app reset. 15984 applyFactoryDefaultBrowserLPw(userId); 15985 clearIntentFilterVerificationsLPw(userId); 15986 primeDomainVerificationsLPw(userId); 15987 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 15988 scheduleWritePackageRestrictionsLocked(userId); 15989 } finally { 15990 Binder.restoreCallingIdentity(identity); 15991 } 15992 } 15993 } 15994 15995 @Override 15996 public int getPreferredActivities(List<IntentFilter> outFilters, 15997 List<ComponentName> outActivities, String packageName) { 15998 15999 int num = 0; 16000 final int userId = UserHandle.getCallingUserId(); 16001 // reader 16002 synchronized (mPackages) { 16003 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16004 if (pir != null) { 16005 final Iterator<PreferredActivity> it = pir.filterIterator(); 16006 while (it.hasNext()) { 16007 final PreferredActivity pa = it.next(); 16008 if (packageName == null 16009 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16010 && pa.mPref.mAlways)) { 16011 if (outFilters != null) { 16012 outFilters.add(new IntentFilter(pa)); 16013 } 16014 if (outActivities != null) { 16015 outActivities.add(pa.mPref.mComponent); 16016 } 16017 } 16018 } 16019 } 16020 } 16021 16022 return num; 16023 } 16024 16025 @Override 16026 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16027 int userId) { 16028 int callingUid = Binder.getCallingUid(); 16029 if (callingUid != Process.SYSTEM_UID) { 16030 throw new SecurityException( 16031 "addPersistentPreferredActivity can only be run by the system"); 16032 } 16033 if (filter.countActions() == 0) { 16034 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16035 return; 16036 } 16037 synchronized (mPackages) { 16038 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16039 ":"); 16040 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16041 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16042 new PersistentPreferredActivity(filter, activity)); 16043 scheduleWritePackageRestrictionsLocked(userId); 16044 } 16045 } 16046 16047 @Override 16048 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16049 int callingUid = Binder.getCallingUid(); 16050 if (callingUid != Process.SYSTEM_UID) { 16051 throw new SecurityException( 16052 "clearPackagePersistentPreferredActivities can only be run by the system"); 16053 } 16054 ArrayList<PersistentPreferredActivity> removed = null; 16055 boolean changed = false; 16056 synchronized (mPackages) { 16057 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16058 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16059 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16060 .valueAt(i); 16061 if (userId != thisUserId) { 16062 continue; 16063 } 16064 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16065 while (it.hasNext()) { 16066 PersistentPreferredActivity ppa = it.next(); 16067 // Mark entry for removal only if it matches the package name. 16068 if (ppa.mComponent.getPackageName().equals(packageName)) { 16069 if (removed == null) { 16070 removed = new ArrayList<PersistentPreferredActivity>(); 16071 } 16072 removed.add(ppa); 16073 } 16074 } 16075 if (removed != null) { 16076 for (int j=0; j<removed.size(); j++) { 16077 PersistentPreferredActivity ppa = removed.get(j); 16078 ppir.removeFilter(ppa); 16079 } 16080 changed = true; 16081 } 16082 } 16083 16084 if (changed) { 16085 scheduleWritePackageRestrictionsLocked(userId); 16086 } 16087 } 16088 } 16089 16090 /** 16091 * Common machinery for picking apart a restored XML blob and passing 16092 * it to a caller-supplied functor to be applied to the running system. 16093 */ 16094 private void restoreFromXml(XmlPullParser parser, int userId, 16095 String expectedStartTag, BlobXmlRestorer functor) 16096 throws IOException, XmlPullParserException { 16097 int type; 16098 while ((type = parser.next()) != XmlPullParser.START_TAG 16099 && type != XmlPullParser.END_DOCUMENT) { 16100 } 16101 if (type != XmlPullParser.START_TAG) { 16102 // oops didn't find a start tag?! 16103 if (DEBUG_BACKUP) { 16104 Slog.e(TAG, "Didn't find start tag during restore"); 16105 } 16106 return; 16107 } 16108Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16109 // this is supposed to be TAG_PREFERRED_BACKUP 16110 if (!expectedStartTag.equals(parser.getName())) { 16111 if (DEBUG_BACKUP) { 16112 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16113 } 16114 return; 16115 } 16116 16117 // skip interfering stuff, then we're aligned with the backing implementation 16118 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16119Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16120 functor.apply(parser, userId); 16121 } 16122 16123 private interface BlobXmlRestorer { 16124 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16125 } 16126 16127 /** 16128 * Non-Binder method, support for the backup/restore mechanism: write the 16129 * full set of preferred activities in its canonical XML format. Returns the 16130 * XML output as a byte array, or null if there is none. 16131 */ 16132 @Override 16133 public byte[] getPreferredActivityBackup(int userId) { 16134 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16135 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16136 } 16137 16138 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16139 try { 16140 final XmlSerializer serializer = new FastXmlSerializer(); 16141 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16142 serializer.startDocument(null, true); 16143 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16144 16145 synchronized (mPackages) { 16146 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16147 } 16148 16149 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16150 serializer.endDocument(); 16151 serializer.flush(); 16152 } catch (Exception e) { 16153 if (DEBUG_BACKUP) { 16154 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16155 } 16156 return null; 16157 } 16158 16159 return dataStream.toByteArray(); 16160 } 16161 16162 @Override 16163 public void restorePreferredActivities(byte[] backup, int userId) { 16164 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16165 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16166 } 16167 16168 try { 16169 final XmlPullParser parser = Xml.newPullParser(); 16170 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16171 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16172 new BlobXmlRestorer() { 16173 @Override 16174 public void apply(XmlPullParser parser, int userId) 16175 throws XmlPullParserException, IOException { 16176 synchronized (mPackages) { 16177 mSettings.readPreferredActivitiesLPw(parser, userId); 16178 } 16179 } 16180 } ); 16181 } catch (Exception e) { 16182 if (DEBUG_BACKUP) { 16183 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16184 } 16185 } 16186 } 16187 16188 /** 16189 * Non-Binder method, support for the backup/restore mechanism: write the 16190 * default browser (etc) settings in its canonical XML format. Returns the default 16191 * browser XML representation as a byte array, or null if there is none. 16192 */ 16193 @Override 16194 public byte[] getDefaultAppsBackup(int userId) { 16195 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16196 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16197 } 16198 16199 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16200 try { 16201 final XmlSerializer serializer = new FastXmlSerializer(); 16202 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16203 serializer.startDocument(null, true); 16204 serializer.startTag(null, TAG_DEFAULT_APPS); 16205 16206 synchronized (mPackages) { 16207 mSettings.writeDefaultAppsLPr(serializer, userId); 16208 } 16209 16210 serializer.endTag(null, TAG_DEFAULT_APPS); 16211 serializer.endDocument(); 16212 serializer.flush(); 16213 } catch (Exception e) { 16214 if (DEBUG_BACKUP) { 16215 Slog.e(TAG, "Unable to write default apps for backup", e); 16216 } 16217 return null; 16218 } 16219 16220 return dataStream.toByteArray(); 16221 } 16222 16223 @Override 16224 public void restoreDefaultApps(byte[] backup, int userId) { 16225 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16226 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16227 } 16228 16229 try { 16230 final XmlPullParser parser = Xml.newPullParser(); 16231 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16232 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16233 new BlobXmlRestorer() { 16234 @Override 16235 public void apply(XmlPullParser parser, int userId) 16236 throws XmlPullParserException, IOException { 16237 synchronized (mPackages) { 16238 mSettings.readDefaultAppsLPw(parser, userId); 16239 } 16240 } 16241 } ); 16242 } catch (Exception e) { 16243 if (DEBUG_BACKUP) { 16244 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16245 } 16246 } 16247 } 16248 16249 @Override 16250 public byte[] getIntentFilterVerificationBackup(int userId) { 16251 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16252 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16253 } 16254 16255 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16256 try { 16257 final XmlSerializer serializer = new FastXmlSerializer(); 16258 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16259 serializer.startDocument(null, true); 16260 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16261 16262 synchronized (mPackages) { 16263 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16264 } 16265 16266 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16267 serializer.endDocument(); 16268 serializer.flush(); 16269 } catch (Exception e) { 16270 if (DEBUG_BACKUP) { 16271 Slog.e(TAG, "Unable to write default apps for backup", e); 16272 } 16273 return null; 16274 } 16275 16276 return dataStream.toByteArray(); 16277 } 16278 16279 @Override 16280 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16281 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16282 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16283 } 16284 16285 try { 16286 final XmlPullParser parser = Xml.newPullParser(); 16287 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16288 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16289 new BlobXmlRestorer() { 16290 @Override 16291 public void apply(XmlPullParser parser, int userId) 16292 throws XmlPullParserException, IOException { 16293 synchronized (mPackages) { 16294 mSettings.readAllDomainVerificationsLPr(parser, userId); 16295 mSettings.writeLPr(); 16296 } 16297 } 16298 } ); 16299 } catch (Exception e) { 16300 if (DEBUG_BACKUP) { 16301 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16302 } 16303 } 16304 } 16305 16306 @Override 16307 public byte[] getPermissionGrantBackup(int userId) { 16308 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16309 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16310 } 16311 16312 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16313 try { 16314 final XmlSerializer serializer = new FastXmlSerializer(); 16315 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16316 serializer.startDocument(null, true); 16317 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16318 16319 synchronized (mPackages) { 16320 serializeRuntimePermissionGrantsLPr(serializer, userId); 16321 } 16322 16323 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16324 serializer.endDocument(); 16325 serializer.flush(); 16326 } catch (Exception e) { 16327 if (DEBUG_BACKUP) { 16328 Slog.e(TAG, "Unable to write default apps for backup", e); 16329 } 16330 return null; 16331 } 16332 16333 return dataStream.toByteArray(); 16334 } 16335 16336 @Override 16337 public void restorePermissionGrants(byte[] backup, int userId) { 16338 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16339 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16340 } 16341 16342 try { 16343 final XmlPullParser parser = Xml.newPullParser(); 16344 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16345 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16346 new BlobXmlRestorer() { 16347 @Override 16348 public void apply(XmlPullParser parser, int userId) 16349 throws XmlPullParserException, IOException { 16350 synchronized (mPackages) { 16351 processRestoredPermissionGrantsLPr(parser, userId); 16352 } 16353 } 16354 } ); 16355 } catch (Exception e) { 16356 if (DEBUG_BACKUP) { 16357 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16358 } 16359 } 16360 } 16361 16362 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16363 throws IOException { 16364 serializer.startTag(null, TAG_ALL_GRANTS); 16365 16366 final int N = mSettings.mPackages.size(); 16367 for (int i = 0; i < N; i++) { 16368 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16369 boolean pkgGrantsKnown = false; 16370 16371 PermissionsState packagePerms = ps.getPermissionsState(); 16372 16373 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16374 final int grantFlags = state.getFlags(); 16375 // only look at grants that are not system/policy fixed 16376 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16377 final boolean isGranted = state.isGranted(); 16378 // And only back up the user-twiddled state bits 16379 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16380 final String packageName = mSettings.mPackages.keyAt(i); 16381 if (!pkgGrantsKnown) { 16382 serializer.startTag(null, TAG_GRANT); 16383 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16384 pkgGrantsKnown = true; 16385 } 16386 16387 final boolean userSet = 16388 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16389 final boolean userFixed = 16390 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16391 final boolean revoke = 16392 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16393 16394 serializer.startTag(null, TAG_PERMISSION); 16395 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16396 if (isGranted) { 16397 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16398 } 16399 if (userSet) { 16400 serializer.attribute(null, ATTR_USER_SET, "true"); 16401 } 16402 if (userFixed) { 16403 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16404 } 16405 if (revoke) { 16406 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16407 } 16408 serializer.endTag(null, TAG_PERMISSION); 16409 } 16410 } 16411 } 16412 16413 if (pkgGrantsKnown) { 16414 serializer.endTag(null, TAG_GRANT); 16415 } 16416 } 16417 16418 serializer.endTag(null, TAG_ALL_GRANTS); 16419 } 16420 16421 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16422 throws XmlPullParserException, IOException { 16423 String pkgName = null; 16424 int outerDepth = parser.getDepth(); 16425 int type; 16426 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16427 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16428 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16429 continue; 16430 } 16431 16432 final String tagName = parser.getName(); 16433 if (tagName.equals(TAG_GRANT)) { 16434 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16435 if (DEBUG_BACKUP) { 16436 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16437 } 16438 } else if (tagName.equals(TAG_PERMISSION)) { 16439 16440 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16441 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16442 16443 int newFlagSet = 0; 16444 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16445 newFlagSet |= FLAG_PERMISSION_USER_SET; 16446 } 16447 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16448 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16449 } 16450 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16451 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16452 } 16453 if (DEBUG_BACKUP) { 16454 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16455 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16456 } 16457 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16458 if (ps != null) { 16459 // Already installed so we apply the grant immediately 16460 if (DEBUG_BACKUP) { 16461 Slog.v(TAG, " + already installed; applying"); 16462 } 16463 PermissionsState perms = ps.getPermissionsState(); 16464 BasePermission bp = mSettings.mPermissions.get(permName); 16465 if (bp != null) { 16466 if (isGranted) { 16467 perms.grantRuntimePermission(bp, userId); 16468 } 16469 if (newFlagSet != 0) { 16470 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16471 } 16472 } 16473 } else { 16474 // Need to wait for post-restore install to apply the grant 16475 if (DEBUG_BACKUP) { 16476 Slog.v(TAG, " - not yet installed; saving for later"); 16477 } 16478 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16479 isGranted, newFlagSet, userId); 16480 } 16481 } else { 16482 PackageManagerService.reportSettingsProblem(Log.WARN, 16483 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16484 XmlUtils.skipCurrentTag(parser); 16485 } 16486 } 16487 16488 scheduleWriteSettingsLocked(); 16489 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16490 } 16491 16492 @Override 16493 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16494 int sourceUserId, int targetUserId, int flags) { 16495 mContext.enforceCallingOrSelfPermission( 16496 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16497 int callingUid = Binder.getCallingUid(); 16498 enforceOwnerRights(ownerPackage, callingUid); 16499 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16500 if (intentFilter.countActions() == 0) { 16501 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16502 return; 16503 } 16504 synchronized (mPackages) { 16505 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16506 ownerPackage, targetUserId, flags); 16507 CrossProfileIntentResolver resolver = 16508 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16509 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16510 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16511 if (existing != null) { 16512 int size = existing.size(); 16513 for (int i = 0; i < size; i++) { 16514 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16515 return; 16516 } 16517 } 16518 } 16519 resolver.addFilter(newFilter); 16520 scheduleWritePackageRestrictionsLocked(sourceUserId); 16521 } 16522 } 16523 16524 @Override 16525 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16526 mContext.enforceCallingOrSelfPermission( 16527 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16528 int callingUid = Binder.getCallingUid(); 16529 enforceOwnerRights(ownerPackage, callingUid); 16530 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16531 synchronized (mPackages) { 16532 CrossProfileIntentResolver resolver = 16533 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16534 ArraySet<CrossProfileIntentFilter> set = 16535 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16536 for (CrossProfileIntentFilter filter : set) { 16537 if (filter.getOwnerPackage().equals(ownerPackage)) { 16538 resolver.removeFilter(filter); 16539 } 16540 } 16541 scheduleWritePackageRestrictionsLocked(sourceUserId); 16542 } 16543 } 16544 16545 // Enforcing that callingUid is owning pkg on userId 16546 private void enforceOwnerRights(String pkg, int callingUid) { 16547 // The system owns everything. 16548 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16549 return; 16550 } 16551 int callingUserId = UserHandle.getUserId(callingUid); 16552 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16553 if (pi == null) { 16554 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16555 + callingUserId); 16556 } 16557 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16558 throw new SecurityException("Calling uid " + callingUid 16559 + " does not own package " + pkg); 16560 } 16561 } 16562 16563 @Override 16564 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16565 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 16566 } 16567 16568 private Intent getHomeIntent() { 16569 Intent intent = new Intent(Intent.ACTION_MAIN); 16570 intent.addCategory(Intent.CATEGORY_HOME); 16571 return intent; 16572 } 16573 16574 private IntentFilter getHomeFilter() { 16575 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 16576 filter.addCategory(Intent.CATEGORY_HOME); 16577 filter.addCategory(Intent.CATEGORY_DEFAULT); 16578 return filter; 16579 } 16580 16581 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 16582 int userId) { 16583 Intent intent = getHomeIntent(); 16584 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 16585 PackageManager.GET_META_DATA, userId); 16586 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16587 true, false, false, userId); 16588 16589 allHomeCandidates.clear(); 16590 if (list != null) { 16591 for (ResolveInfo ri : list) { 16592 allHomeCandidates.add(ri); 16593 } 16594 } 16595 return (preferred == null || preferred.activityInfo == null) 16596 ? null 16597 : new ComponentName(preferred.activityInfo.packageName, 16598 preferred.activityInfo.name); 16599 } 16600 16601 @Override 16602 public void setHomeActivity(ComponentName comp, int userId) { 16603 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 16604 getHomeActivitiesAsUser(homeActivities, userId); 16605 16606 boolean found = false; 16607 16608 final int size = homeActivities.size(); 16609 final ComponentName[] set = new ComponentName[size]; 16610 for (int i = 0; i < size; i++) { 16611 final ResolveInfo candidate = homeActivities.get(i); 16612 final ActivityInfo info = candidate.activityInfo; 16613 final ComponentName activityName = new ComponentName(info.packageName, info.name); 16614 set[i] = activityName; 16615 if (!found && activityName.equals(comp)) { 16616 found = true; 16617 } 16618 } 16619 if (!found) { 16620 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 16621 + userId); 16622 } 16623 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 16624 set, comp, userId); 16625 } 16626 16627 @Override 16628 public void setApplicationEnabledSetting(String appPackageName, 16629 int newState, int flags, int userId, String callingPackage) { 16630 if (!sUserManager.exists(userId)) return; 16631 if (callingPackage == null) { 16632 callingPackage = Integer.toString(Binder.getCallingUid()); 16633 } 16634 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 16635 } 16636 16637 @Override 16638 public void setComponentEnabledSetting(ComponentName componentName, 16639 int newState, int flags, int userId) { 16640 if (!sUserManager.exists(userId)) return; 16641 setEnabledSetting(componentName.getPackageName(), 16642 componentName.getClassName(), newState, flags, userId, null); 16643 } 16644 16645 private void setEnabledSetting(final String packageName, String className, int newState, 16646 final int flags, int userId, String callingPackage) { 16647 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 16648 || newState == COMPONENT_ENABLED_STATE_ENABLED 16649 || newState == COMPONENT_ENABLED_STATE_DISABLED 16650 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 16651 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 16652 throw new IllegalArgumentException("Invalid new component state: " 16653 + newState); 16654 } 16655 PackageSetting pkgSetting; 16656 final int uid = Binder.getCallingUid(); 16657 final int permission = mContext.checkCallingOrSelfPermission( 16658 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16659 enforceCrossUserPermission(uid, userId, 16660 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 16661 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16662 boolean sendNow = false; 16663 boolean isApp = (className == null); 16664 String componentName = isApp ? packageName : className; 16665 int packageUid = -1; 16666 ArrayList<String> components; 16667 16668 // writer 16669 synchronized (mPackages) { 16670 pkgSetting = mSettings.mPackages.get(packageName); 16671 if (pkgSetting == null) { 16672 if (className == null) { 16673 throw new IllegalArgumentException("Unknown package: " + packageName); 16674 } 16675 throw new IllegalArgumentException( 16676 "Unknown component: " + packageName + "/" + className); 16677 } 16678 // Allow root and verify that userId is not being specified by a different user 16679 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 16680 throw new SecurityException( 16681 "Permission Denial: attempt to change component state from pid=" 16682 + Binder.getCallingPid() 16683 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 16684 } 16685 if (className == null) { 16686 // We're dealing with an application/package level state change 16687 if (pkgSetting.getEnabled(userId) == newState) { 16688 // Nothing to do 16689 return; 16690 } 16691 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 16692 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 16693 // Don't care about who enables an app. 16694 callingPackage = null; 16695 } 16696 pkgSetting.setEnabled(newState, userId, callingPackage); 16697 // pkgSetting.pkg.mSetEnabled = newState; 16698 } else { 16699 // We're dealing with a component level state change 16700 // First, verify that this is a valid class name. 16701 PackageParser.Package pkg = pkgSetting.pkg; 16702 if (pkg == null || !pkg.hasComponentClassName(className)) { 16703 if (pkg != null && 16704 pkg.applicationInfo.targetSdkVersion >= 16705 Build.VERSION_CODES.JELLY_BEAN) { 16706 throw new IllegalArgumentException("Component class " + className 16707 + " does not exist in " + packageName); 16708 } else { 16709 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 16710 + className + " does not exist in " + packageName); 16711 } 16712 } 16713 switch (newState) { 16714 case COMPONENT_ENABLED_STATE_ENABLED: 16715 if (!pkgSetting.enableComponentLPw(className, userId)) { 16716 return; 16717 } 16718 break; 16719 case COMPONENT_ENABLED_STATE_DISABLED: 16720 if (!pkgSetting.disableComponentLPw(className, userId)) { 16721 return; 16722 } 16723 break; 16724 case COMPONENT_ENABLED_STATE_DEFAULT: 16725 if (!pkgSetting.restoreComponentLPw(className, userId)) { 16726 return; 16727 } 16728 break; 16729 default: 16730 Slog.e(TAG, "Invalid new component state: " + newState); 16731 return; 16732 } 16733 } 16734 scheduleWritePackageRestrictionsLocked(userId); 16735 components = mPendingBroadcasts.get(userId, packageName); 16736 final boolean newPackage = components == null; 16737 if (newPackage) { 16738 components = new ArrayList<String>(); 16739 } 16740 if (!components.contains(componentName)) { 16741 components.add(componentName); 16742 } 16743 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 16744 sendNow = true; 16745 // Purge entry from pending broadcast list if another one exists already 16746 // since we are sending one right away. 16747 mPendingBroadcasts.remove(userId, packageName); 16748 } else { 16749 if (newPackage) { 16750 mPendingBroadcasts.put(userId, packageName, components); 16751 } 16752 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 16753 // Schedule a message 16754 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 16755 } 16756 } 16757 } 16758 16759 long callingId = Binder.clearCallingIdentity(); 16760 try { 16761 if (sendNow) { 16762 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 16763 sendPackageChangedBroadcast(packageName, 16764 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 16765 } 16766 } finally { 16767 Binder.restoreCallingIdentity(callingId); 16768 } 16769 } 16770 16771 @Override 16772 public void flushPackageRestrictionsAsUser(int userId) { 16773 if (!sUserManager.exists(userId)) { 16774 return; 16775 } 16776 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 16777 false /* checkShell */, "flushPackageRestrictions"); 16778 synchronized (mPackages) { 16779 mSettings.writePackageRestrictionsLPr(userId); 16780 mDirtyUsers.remove(userId); 16781 if (mDirtyUsers.isEmpty()) { 16782 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 16783 } 16784 } 16785 } 16786 16787 private void sendPackageChangedBroadcast(String packageName, 16788 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 16789 if (DEBUG_INSTALL) 16790 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 16791 + componentNames); 16792 Bundle extras = new Bundle(4); 16793 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 16794 String nameList[] = new String[componentNames.size()]; 16795 componentNames.toArray(nameList); 16796 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 16797 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 16798 extras.putInt(Intent.EXTRA_UID, packageUid); 16799 // If this is not reporting a change of the overall package, then only send it 16800 // to registered receivers. We don't want to launch a swath of apps for every 16801 // little component state change. 16802 final int flags = !componentNames.contains(packageName) 16803 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 16804 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 16805 new int[] {UserHandle.getUserId(packageUid)}); 16806 } 16807 16808 @Override 16809 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 16810 if (!sUserManager.exists(userId)) return; 16811 final int uid = Binder.getCallingUid(); 16812 final int permission = mContext.checkCallingOrSelfPermission( 16813 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16814 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16815 enforceCrossUserPermission(uid, userId, 16816 true /* requireFullPermission */, true /* checkShell */, "stop package"); 16817 // writer 16818 synchronized (mPackages) { 16819 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 16820 allowedByPermission, uid, userId)) { 16821 scheduleWritePackageRestrictionsLocked(userId); 16822 } 16823 } 16824 } 16825 16826 @Override 16827 public String getInstallerPackageName(String packageName) { 16828 // reader 16829 synchronized (mPackages) { 16830 return mSettings.getInstallerPackageNameLPr(packageName); 16831 } 16832 } 16833 16834 @Override 16835 public int getApplicationEnabledSetting(String packageName, int userId) { 16836 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16837 int uid = Binder.getCallingUid(); 16838 enforceCrossUserPermission(uid, userId, 16839 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 16840 // reader 16841 synchronized (mPackages) { 16842 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 16843 } 16844 } 16845 16846 @Override 16847 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 16848 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16849 int uid = Binder.getCallingUid(); 16850 enforceCrossUserPermission(uid, userId, 16851 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 16852 // reader 16853 synchronized (mPackages) { 16854 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 16855 } 16856 } 16857 16858 @Override 16859 public void enterSafeMode() { 16860 enforceSystemOrRoot("Only the system can request entering safe mode"); 16861 16862 if (!mSystemReady) { 16863 mSafeMode = true; 16864 } 16865 } 16866 16867 @Override 16868 public void systemReady() { 16869 mSystemReady = true; 16870 16871 // Read the compatibilty setting when the system is ready. 16872 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 16873 mContext.getContentResolver(), 16874 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 16875 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 16876 if (DEBUG_SETTINGS) { 16877 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 16878 } 16879 16880 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 16881 16882 synchronized (mPackages) { 16883 // Verify that all of the preferred activity components actually 16884 // exist. It is possible for applications to be updated and at 16885 // that point remove a previously declared activity component that 16886 // had been set as a preferred activity. We try to clean this up 16887 // the next time we encounter that preferred activity, but it is 16888 // possible for the user flow to never be able to return to that 16889 // situation so here we do a sanity check to make sure we haven't 16890 // left any junk around. 16891 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 16892 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16893 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16894 removed.clear(); 16895 for (PreferredActivity pa : pir.filterSet()) { 16896 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 16897 removed.add(pa); 16898 } 16899 } 16900 if (removed.size() > 0) { 16901 for (int r=0; r<removed.size(); r++) { 16902 PreferredActivity pa = removed.get(r); 16903 Slog.w(TAG, "Removing dangling preferred activity: " 16904 + pa.mPref.mComponent); 16905 pir.removeFilter(pa); 16906 } 16907 mSettings.writePackageRestrictionsLPr( 16908 mSettings.mPreferredActivities.keyAt(i)); 16909 } 16910 } 16911 16912 for (int userId : UserManagerService.getInstance().getUserIds()) { 16913 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 16914 grantPermissionsUserIds = ArrayUtils.appendInt( 16915 grantPermissionsUserIds, userId); 16916 } 16917 } 16918 } 16919 sUserManager.systemReady(); 16920 16921 // If we upgraded grant all default permissions before kicking off. 16922 for (int userId : grantPermissionsUserIds) { 16923 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 16924 } 16925 16926 // Kick off any messages waiting for system ready 16927 if (mPostSystemReadyMessages != null) { 16928 for (Message msg : mPostSystemReadyMessages) { 16929 msg.sendToTarget(); 16930 } 16931 mPostSystemReadyMessages = null; 16932 } 16933 16934 // Watch for external volumes that come and go over time 16935 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16936 storage.registerListener(mStorageListener); 16937 16938 mInstallerService.systemReady(); 16939 mPackageDexOptimizer.systemReady(); 16940 16941 MountServiceInternal mountServiceInternal = LocalServices.getService( 16942 MountServiceInternal.class); 16943 mountServiceInternal.addExternalStoragePolicy( 16944 new MountServiceInternal.ExternalStorageMountPolicy() { 16945 @Override 16946 public int getMountMode(int uid, String packageName) { 16947 if (Process.isIsolated(uid)) { 16948 return Zygote.MOUNT_EXTERNAL_NONE; 16949 } 16950 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 16951 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16952 } 16953 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16954 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16955 } 16956 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16957 return Zygote.MOUNT_EXTERNAL_READ; 16958 } 16959 return Zygote.MOUNT_EXTERNAL_WRITE; 16960 } 16961 16962 @Override 16963 public boolean hasExternalStorage(int uid, String packageName) { 16964 return true; 16965 } 16966 }); 16967 } 16968 16969 @Override 16970 public boolean isSafeMode() { 16971 return mSafeMode; 16972 } 16973 16974 @Override 16975 public boolean hasSystemUidErrors() { 16976 return mHasSystemUidErrors; 16977 } 16978 16979 static String arrayToString(int[] array) { 16980 StringBuffer buf = new StringBuffer(128); 16981 buf.append('['); 16982 if (array != null) { 16983 for (int i=0; i<array.length; i++) { 16984 if (i > 0) buf.append(", "); 16985 buf.append(array[i]); 16986 } 16987 } 16988 buf.append(']'); 16989 return buf.toString(); 16990 } 16991 16992 static class DumpState { 16993 public static final int DUMP_LIBS = 1 << 0; 16994 public static final int DUMP_FEATURES = 1 << 1; 16995 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 16996 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 16997 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 16998 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 16999 public static final int DUMP_PERMISSIONS = 1 << 6; 17000 public static final int DUMP_PACKAGES = 1 << 7; 17001 public static final int DUMP_SHARED_USERS = 1 << 8; 17002 public static final int DUMP_MESSAGES = 1 << 9; 17003 public static final int DUMP_PROVIDERS = 1 << 10; 17004 public static final int DUMP_VERIFIERS = 1 << 11; 17005 public static final int DUMP_PREFERRED = 1 << 12; 17006 public static final int DUMP_PREFERRED_XML = 1 << 13; 17007 public static final int DUMP_KEYSETS = 1 << 14; 17008 public static final int DUMP_VERSION = 1 << 15; 17009 public static final int DUMP_INSTALLS = 1 << 16; 17010 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17011 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17012 17013 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17014 17015 private int mTypes; 17016 17017 private int mOptions; 17018 17019 private boolean mTitlePrinted; 17020 17021 private SharedUserSetting mSharedUser; 17022 17023 public boolean isDumping(int type) { 17024 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17025 return true; 17026 } 17027 17028 return (mTypes & type) != 0; 17029 } 17030 17031 public void setDump(int type) { 17032 mTypes |= type; 17033 } 17034 17035 public boolean isOptionEnabled(int option) { 17036 return (mOptions & option) != 0; 17037 } 17038 17039 public void setOptionEnabled(int option) { 17040 mOptions |= option; 17041 } 17042 17043 public boolean onTitlePrinted() { 17044 final boolean printed = mTitlePrinted; 17045 mTitlePrinted = true; 17046 return printed; 17047 } 17048 17049 public boolean getTitlePrinted() { 17050 return mTitlePrinted; 17051 } 17052 17053 public void setTitlePrinted(boolean enabled) { 17054 mTitlePrinted = enabled; 17055 } 17056 17057 public SharedUserSetting getSharedUser() { 17058 return mSharedUser; 17059 } 17060 17061 public void setSharedUser(SharedUserSetting user) { 17062 mSharedUser = user; 17063 } 17064 } 17065 17066 @Override 17067 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17068 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17069 (new PackageManagerShellCommand(this)).exec( 17070 this, in, out, err, args, resultReceiver); 17071 } 17072 17073 @Override 17074 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17075 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17076 != PackageManager.PERMISSION_GRANTED) { 17077 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17078 + Binder.getCallingPid() 17079 + ", uid=" + Binder.getCallingUid() 17080 + " without permission " 17081 + android.Manifest.permission.DUMP); 17082 return; 17083 } 17084 17085 DumpState dumpState = new DumpState(); 17086 boolean fullPreferred = false; 17087 boolean checkin = false; 17088 17089 String packageName = null; 17090 ArraySet<String> permissionNames = null; 17091 17092 int opti = 0; 17093 while (opti < args.length) { 17094 String opt = args[opti]; 17095 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17096 break; 17097 } 17098 opti++; 17099 17100 if ("-a".equals(opt)) { 17101 // Right now we only know how to print all. 17102 } else if ("-h".equals(opt)) { 17103 pw.println("Package manager dump options:"); 17104 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17105 pw.println(" --checkin: dump for a checkin"); 17106 pw.println(" -f: print details of intent filters"); 17107 pw.println(" -h: print this help"); 17108 pw.println(" cmd may be one of:"); 17109 pw.println(" l[ibraries]: list known shared libraries"); 17110 pw.println(" f[eatures]: list device features"); 17111 pw.println(" k[eysets]: print known keysets"); 17112 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17113 pw.println(" perm[issions]: dump permissions"); 17114 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17115 pw.println(" pref[erred]: print preferred package settings"); 17116 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17117 pw.println(" prov[iders]: dump content providers"); 17118 pw.println(" p[ackages]: dump installed packages"); 17119 pw.println(" s[hared-users]: dump shared user IDs"); 17120 pw.println(" m[essages]: print collected runtime messages"); 17121 pw.println(" v[erifiers]: print package verifier info"); 17122 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17123 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17124 pw.println(" version: print database version info"); 17125 pw.println(" write: write current settings now"); 17126 pw.println(" installs: details about install sessions"); 17127 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17128 pw.println(" <package.name>: info about given package"); 17129 return; 17130 } else if ("--checkin".equals(opt)) { 17131 checkin = true; 17132 } else if ("-f".equals(opt)) { 17133 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17134 } else { 17135 pw.println("Unknown argument: " + opt + "; use -h for help"); 17136 } 17137 } 17138 17139 // Is the caller requesting to dump a particular piece of data? 17140 if (opti < args.length) { 17141 String cmd = args[opti]; 17142 opti++; 17143 // Is this a package name? 17144 if ("android".equals(cmd) || cmd.contains(".")) { 17145 packageName = cmd; 17146 // When dumping a single package, we always dump all of its 17147 // filter information since the amount of data will be reasonable. 17148 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17149 } else if ("check-permission".equals(cmd)) { 17150 if (opti >= args.length) { 17151 pw.println("Error: check-permission missing permission argument"); 17152 return; 17153 } 17154 String perm = args[opti]; 17155 opti++; 17156 if (opti >= args.length) { 17157 pw.println("Error: check-permission missing package argument"); 17158 return; 17159 } 17160 String pkg = args[opti]; 17161 opti++; 17162 int user = UserHandle.getUserId(Binder.getCallingUid()); 17163 if (opti < args.length) { 17164 try { 17165 user = Integer.parseInt(args[opti]); 17166 } catch (NumberFormatException e) { 17167 pw.println("Error: check-permission user argument is not a number: " 17168 + args[opti]); 17169 return; 17170 } 17171 } 17172 pw.println(checkPermission(perm, pkg, user)); 17173 return; 17174 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17175 dumpState.setDump(DumpState.DUMP_LIBS); 17176 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17177 dumpState.setDump(DumpState.DUMP_FEATURES); 17178 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17179 if (opti >= args.length) { 17180 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17181 | DumpState.DUMP_SERVICE_RESOLVERS 17182 | DumpState.DUMP_RECEIVER_RESOLVERS 17183 | DumpState.DUMP_CONTENT_RESOLVERS); 17184 } else { 17185 while (opti < args.length) { 17186 String name = args[opti]; 17187 if ("a".equals(name) || "activity".equals(name)) { 17188 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17189 } else if ("s".equals(name) || "service".equals(name)) { 17190 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17191 } else if ("r".equals(name) || "receiver".equals(name)) { 17192 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17193 } else if ("c".equals(name) || "content".equals(name)) { 17194 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17195 } else { 17196 pw.println("Error: unknown resolver table type: " + name); 17197 return; 17198 } 17199 opti++; 17200 } 17201 } 17202 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17203 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17204 } else if ("permission".equals(cmd)) { 17205 if (opti >= args.length) { 17206 pw.println("Error: permission requires permission name"); 17207 return; 17208 } 17209 permissionNames = new ArraySet<>(); 17210 while (opti < args.length) { 17211 permissionNames.add(args[opti]); 17212 opti++; 17213 } 17214 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17215 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17216 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17217 dumpState.setDump(DumpState.DUMP_PREFERRED); 17218 } else if ("preferred-xml".equals(cmd)) { 17219 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17220 if (opti < args.length && "--full".equals(args[opti])) { 17221 fullPreferred = true; 17222 opti++; 17223 } 17224 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17225 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17226 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17227 dumpState.setDump(DumpState.DUMP_PACKAGES); 17228 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17229 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17230 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17231 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17232 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17233 dumpState.setDump(DumpState.DUMP_MESSAGES); 17234 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17235 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17236 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17237 || "intent-filter-verifiers".equals(cmd)) { 17238 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17239 } else if ("version".equals(cmd)) { 17240 dumpState.setDump(DumpState.DUMP_VERSION); 17241 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17242 dumpState.setDump(DumpState.DUMP_KEYSETS); 17243 } else if ("installs".equals(cmd)) { 17244 dumpState.setDump(DumpState.DUMP_INSTALLS); 17245 } else if ("write".equals(cmd)) { 17246 synchronized (mPackages) { 17247 mSettings.writeLPr(); 17248 pw.println("Settings written."); 17249 return; 17250 } 17251 } 17252 } 17253 17254 if (checkin) { 17255 pw.println("vers,1"); 17256 } 17257 17258 // reader 17259 synchronized (mPackages) { 17260 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17261 if (!checkin) { 17262 if (dumpState.onTitlePrinted()) 17263 pw.println(); 17264 pw.println("Database versions:"); 17265 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17266 } 17267 } 17268 17269 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17270 if (!checkin) { 17271 if (dumpState.onTitlePrinted()) 17272 pw.println(); 17273 pw.println("Verifiers:"); 17274 pw.print(" Required: "); 17275 pw.print(mRequiredVerifierPackage); 17276 pw.print(" (uid="); 17277 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17278 UserHandle.USER_SYSTEM)); 17279 pw.println(")"); 17280 } else if (mRequiredVerifierPackage != null) { 17281 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17282 pw.print(","); 17283 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17284 UserHandle.USER_SYSTEM)); 17285 } 17286 } 17287 17288 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17289 packageName == null) { 17290 if (mIntentFilterVerifierComponent != null) { 17291 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17292 if (!checkin) { 17293 if (dumpState.onTitlePrinted()) 17294 pw.println(); 17295 pw.println("Intent Filter Verifier:"); 17296 pw.print(" Using: "); 17297 pw.print(verifierPackageName); 17298 pw.print(" (uid="); 17299 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17300 UserHandle.USER_SYSTEM)); 17301 pw.println(")"); 17302 } else if (verifierPackageName != null) { 17303 pw.print("ifv,"); pw.print(verifierPackageName); 17304 pw.print(","); 17305 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17306 UserHandle.USER_SYSTEM)); 17307 } 17308 } else { 17309 pw.println(); 17310 pw.println("No Intent Filter Verifier available!"); 17311 } 17312 } 17313 17314 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17315 boolean printedHeader = false; 17316 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17317 while (it.hasNext()) { 17318 String name = it.next(); 17319 SharedLibraryEntry ent = mSharedLibraries.get(name); 17320 if (!checkin) { 17321 if (!printedHeader) { 17322 if (dumpState.onTitlePrinted()) 17323 pw.println(); 17324 pw.println("Libraries:"); 17325 printedHeader = true; 17326 } 17327 pw.print(" "); 17328 } else { 17329 pw.print("lib,"); 17330 } 17331 pw.print(name); 17332 if (!checkin) { 17333 pw.print(" -> "); 17334 } 17335 if (ent.path != null) { 17336 if (!checkin) { 17337 pw.print("(jar) "); 17338 pw.print(ent.path); 17339 } else { 17340 pw.print(",jar,"); 17341 pw.print(ent.path); 17342 } 17343 } else { 17344 if (!checkin) { 17345 pw.print("(apk) "); 17346 pw.print(ent.apk); 17347 } else { 17348 pw.print(",apk,"); 17349 pw.print(ent.apk); 17350 } 17351 } 17352 pw.println(); 17353 } 17354 } 17355 17356 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17357 if (dumpState.onTitlePrinted()) 17358 pw.println(); 17359 if (!checkin) { 17360 pw.println("Features:"); 17361 } 17362 17363 for (FeatureInfo feat : mAvailableFeatures.values()) { 17364 if (checkin) { 17365 pw.print("feat,"); 17366 pw.print(feat.name); 17367 pw.print(","); 17368 pw.println(feat.version); 17369 } else { 17370 pw.print(" "); 17371 pw.print(feat.name); 17372 if (feat.version > 0) { 17373 pw.print(" version="); 17374 pw.print(feat.version); 17375 } 17376 pw.println(); 17377 } 17378 } 17379 } 17380 17381 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17382 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17383 : "Activity Resolver Table:", " ", packageName, 17384 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17385 dumpState.setTitlePrinted(true); 17386 } 17387 } 17388 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17389 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17390 : "Receiver Resolver Table:", " ", packageName, 17391 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17392 dumpState.setTitlePrinted(true); 17393 } 17394 } 17395 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17396 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17397 : "Service Resolver Table:", " ", packageName, 17398 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17399 dumpState.setTitlePrinted(true); 17400 } 17401 } 17402 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17403 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17404 : "Provider Resolver Table:", " ", packageName, 17405 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17406 dumpState.setTitlePrinted(true); 17407 } 17408 } 17409 17410 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17411 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17412 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17413 int user = mSettings.mPreferredActivities.keyAt(i); 17414 if (pir.dump(pw, 17415 dumpState.getTitlePrinted() 17416 ? "\nPreferred Activities User " + user + ":" 17417 : "Preferred Activities User " + user + ":", " ", 17418 packageName, true, false)) { 17419 dumpState.setTitlePrinted(true); 17420 } 17421 } 17422 } 17423 17424 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17425 pw.flush(); 17426 FileOutputStream fout = new FileOutputStream(fd); 17427 BufferedOutputStream str = new BufferedOutputStream(fout); 17428 XmlSerializer serializer = new FastXmlSerializer(); 17429 try { 17430 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17431 serializer.startDocument(null, true); 17432 serializer.setFeature( 17433 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17434 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17435 serializer.endDocument(); 17436 serializer.flush(); 17437 } catch (IllegalArgumentException e) { 17438 pw.println("Failed writing: " + e); 17439 } catch (IllegalStateException e) { 17440 pw.println("Failed writing: " + e); 17441 } catch (IOException e) { 17442 pw.println("Failed writing: " + e); 17443 } 17444 } 17445 17446 if (!checkin 17447 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17448 && packageName == null) { 17449 pw.println(); 17450 int count = mSettings.mPackages.size(); 17451 if (count == 0) { 17452 pw.println("No applications!"); 17453 pw.println(); 17454 } else { 17455 final String prefix = " "; 17456 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17457 if (allPackageSettings.size() == 0) { 17458 pw.println("No domain preferred apps!"); 17459 pw.println(); 17460 } else { 17461 pw.println("App verification status:"); 17462 pw.println(); 17463 count = 0; 17464 for (PackageSetting ps : allPackageSettings) { 17465 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17466 if (ivi == null || ivi.getPackageName() == null) continue; 17467 pw.println(prefix + "Package: " + ivi.getPackageName()); 17468 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17469 pw.println(prefix + "Status: " + ivi.getStatusString()); 17470 pw.println(); 17471 count++; 17472 } 17473 if (count == 0) { 17474 pw.println(prefix + "No app verification established."); 17475 pw.println(); 17476 } 17477 for (int userId : sUserManager.getUserIds()) { 17478 pw.println("App linkages for user " + userId + ":"); 17479 pw.println(); 17480 count = 0; 17481 for (PackageSetting ps : allPackageSettings) { 17482 final long status = ps.getDomainVerificationStatusForUser(userId); 17483 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17484 continue; 17485 } 17486 pw.println(prefix + "Package: " + ps.name); 17487 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17488 String statusStr = IntentFilterVerificationInfo. 17489 getStatusStringFromValue(status); 17490 pw.println(prefix + "Status: " + statusStr); 17491 pw.println(); 17492 count++; 17493 } 17494 if (count == 0) { 17495 pw.println(prefix + "No configured app linkages."); 17496 pw.println(); 17497 } 17498 } 17499 } 17500 } 17501 } 17502 17503 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17504 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17505 if (packageName == null && permissionNames == null) { 17506 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17507 if (iperm == 0) { 17508 if (dumpState.onTitlePrinted()) 17509 pw.println(); 17510 pw.println("AppOp Permissions:"); 17511 } 17512 pw.print(" AppOp Permission "); 17513 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17514 pw.println(":"); 17515 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17516 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17517 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17518 } 17519 } 17520 } 17521 } 17522 17523 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17524 boolean printedSomething = false; 17525 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17526 if (packageName != null && !packageName.equals(p.info.packageName)) { 17527 continue; 17528 } 17529 if (!printedSomething) { 17530 if (dumpState.onTitlePrinted()) 17531 pw.println(); 17532 pw.println("Registered ContentProviders:"); 17533 printedSomething = true; 17534 } 17535 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17536 pw.print(" "); pw.println(p.toString()); 17537 } 17538 printedSomething = false; 17539 for (Map.Entry<String, PackageParser.Provider> entry : 17540 mProvidersByAuthority.entrySet()) { 17541 PackageParser.Provider p = entry.getValue(); 17542 if (packageName != null && !packageName.equals(p.info.packageName)) { 17543 continue; 17544 } 17545 if (!printedSomething) { 17546 if (dumpState.onTitlePrinted()) 17547 pw.println(); 17548 pw.println("ContentProvider Authorities:"); 17549 printedSomething = true; 17550 } 17551 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17552 pw.print(" "); pw.println(p.toString()); 17553 if (p.info != null && p.info.applicationInfo != null) { 17554 final String appInfo = p.info.applicationInfo.toString(); 17555 pw.print(" applicationInfo="); pw.println(appInfo); 17556 } 17557 } 17558 } 17559 17560 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17561 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17562 } 17563 17564 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17565 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17566 } 17567 17568 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17569 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17570 } 17571 17572 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17573 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17574 } 17575 17576 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17577 // XXX should handle packageName != null by dumping only install data that 17578 // the given package is involved with. 17579 if (dumpState.onTitlePrinted()) pw.println(); 17580 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17581 } 17582 17583 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17584 if (dumpState.onTitlePrinted()) pw.println(); 17585 mSettings.dumpReadMessagesLPr(pw, dumpState); 17586 17587 pw.println(); 17588 pw.println("Package warning messages:"); 17589 BufferedReader in = null; 17590 String line = null; 17591 try { 17592 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17593 while ((line = in.readLine()) != null) { 17594 if (line.contains("ignored: updated version")) continue; 17595 pw.println(line); 17596 } 17597 } catch (IOException ignored) { 17598 } finally { 17599 IoUtils.closeQuietly(in); 17600 } 17601 } 17602 17603 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 17604 BufferedReader in = null; 17605 String line = null; 17606 try { 17607 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17608 while ((line = in.readLine()) != null) { 17609 if (line.contains("ignored: updated version")) continue; 17610 pw.print("msg,"); 17611 pw.println(line); 17612 } 17613 } catch (IOException ignored) { 17614 } finally { 17615 IoUtils.closeQuietly(in); 17616 } 17617 } 17618 } 17619 } 17620 17621 private String dumpDomainString(String packageName) { 17622 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 17623 .getList(); 17624 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 17625 17626 ArraySet<String> result = new ArraySet<>(); 17627 if (iviList.size() > 0) { 17628 for (IntentFilterVerificationInfo ivi : iviList) { 17629 for (String host : ivi.getDomains()) { 17630 result.add(host); 17631 } 17632 } 17633 } 17634 if (filters != null && filters.size() > 0) { 17635 for (IntentFilter filter : filters) { 17636 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 17637 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 17638 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 17639 result.addAll(filter.getHostsList()); 17640 } 17641 } 17642 } 17643 17644 StringBuilder sb = new StringBuilder(result.size() * 16); 17645 for (String domain : result) { 17646 if (sb.length() > 0) sb.append(" "); 17647 sb.append(domain); 17648 } 17649 return sb.toString(); 17650 } 17651 17652 // ------- apps on sdcard specific code ------- 17653 static final boolean DEBUG_SD_INSTALL = false; 17654 17655 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 17656 17657 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 17658 17659 private boolean mMediaMounted = false; 17660 17661 static String getEncryptKey() { 17662 try { 17663 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 17664 SD_ENCRYPTION_KEYSTORE_NAME); 17665 if (sdEncKey == null) { 17666 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 17667 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 17668 if (sdEncKey == null) { 17669 Slog.e(TAG, "Failed to create encryption keys"); 17670 return null; 17671 } 17672 } 17673 return sdEncKey; 17674 } catch (NoSuchAlgorithmException nsae) { 17675 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 17676 return null; 17677 } catch (IOException ioe) { 17678 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 17679 return null; 17680 } 17681 } 17682 17683 /* 17684 * Update media status on PackageManager. 17685 */ 17686 @Override 17687 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 17688 int callingUid = Binder.getCallingUid(); 17689 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 17690 throw new SecurityException("Media status can only be updated by the system"); 17691 } 17692 // reader; this apparently protects mMediaMounted, but should probably 17693 // be a different lock in that case. 17694 synchronized (mPackages) { 17695 Log.i(TAG, "Updating external media status from " 17696 + (mMediaMounted ? "mounted" : "unmounted") + " to " 17697 + (mediaStatus ? "mounted" : "unmounted")); 17698 if (DEBUG_SD_INSTALL) 17699 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 17700 + ", mMediaMounted=" + mMediaMounted); 17701 if (mediaStatus == mMediaMounted) { 17702 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 17703 : 0, -1); 17704 mHandler.sendMessage(msg); 17705 return; 17706 } 17707 mMediaMounted = mediaStatus; 17708 } 17709 // Queue up an async operation since the package installation may take a 17710 // little while. 17711 mHandler.post(new Runnable() { 17712 public void run() { 17713 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 17714 } 17715 }); 17716 } 17717 17718 /** 17719 * Called by MountService when the initial ASECs to scan are available. 17720 * Should block until all the ASEC containers are finished being scanned. 17721 */ 17722 public void scanAvailableAsecs() { 17723 updateExternalMediaStatusInner(true, false, false); 17724 } 17725 17726 /* 17727 * Collect information of applications on external media, map them against 17728 * existing containers and update information based on current mount status. 17729 * Please note that we always have to report status if reportStatus has been 17730 * set to true especially when unloading packages. 17731 */ 17732 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 17733 boolean externalStorage) { 17734 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 17735 int[] uidArr = EmptyArray.INT; 17736 17737 final String[] list = PackageHelper.getSecureContainerList(); 17738 if (ArrayUtils.isEmpty(list)) { 17739 Log.i(TAG, "No secure containers found"); 17740 } else { 17741 // Process list of secure containers and categorize them 17742 // as active or stale based on their package internal state. 17743 17744 // reader 17745 synchronized (mPackages) { 17746 for (String cid : list) { 17747 // Leave stages untouched for now; installer service owns them 17748 if (PackageInstallerService.isStageName(cid)) continue; 17749 17750 if (DEBUG_SD_INSTALL) 17751 Log.i(TAG, "Processing container " + cid); 17752 String pkgName = getAsecPackageName(cid); 17753 if (pkgName == null) { 17754 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 17755 continue; 17756 } 17757 if (DEBUG_SD_INSTALL) 17758 Log.i(TAG, "Looking for pkg : " + pkgName); 17759 17760 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17761 if (ps == null) { 17762 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 17763 continue; 17764 } 17765 17766 /* 17767 * Skip packages that are not external if we're unmounting 17768 * external storage. 17769 */ 17770 if (externalStorage && !isMounted && !isExternal(ps)) { 17771 continue; 17772 } 17773 17774 final AsecInstallArgs args = new AsecInstallArgs(cid, 17775 getAppDexInstructionSets(ps), ps.isForwardLocked()); 17776 // The package status is changed only if the code path 17777 // matches between settings and the container id. 17778 if (ps.codePathString != null 17779 && ps.codePathString.startsWith(args.getCodePath())) { 17780 if (DEBUG_SD_INSTALL) { 17781 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 17782 + " at code path: " + ps.codePathString); 17783 } 17784 17785 // We do have a valid package installed on sdcard 17786 processCids.put(args, ps.codePathString); 17787 final int uid = ps.appId; 17788 if (uid != -1) { 17789 uidArr = ArrayUtils.appendInt(uidArr, uid); 17790 } 17791 } else { 17792 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 17793 + ps.codePathString); 17794 } 17795 } 17796 } 17797 17798 Arrays.sort(uidArr); 17799 } 17800 17801 // Process packages with valid entries. 17802 if (isMounted) { 17803 if (DEBUG_SD_INSTALL) 17804 Log.i(TAG, "Loading packages"); 17805 loadMediaPackages(processCids, uidArr, externalStorage); 17806 startCleaningPackages(); 17807 mInstallerService.onSecureContainersAvailable(); 17808 } else { 17809 if (DEBUG_SD_INSTALL) 17810 Log.i(TAG, "Unloading packages"); 17811 unloadMediaPackages(processCids, uidArr, reportStatus); 17812 } 17813 } 17814 17815 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17816 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 17817 final int size = infos.size(); 17818 final String[] packageNames = new String[size]; 17819 final int[] packageUids = new int[size]; 17820 for (int i = 0; i < size; i++) { 17821 final ApplicationInfo info = infos.get(i); 17822 packageNames[i] = info.packageName; 17823 packageUids[i] = info.uid; 17824 } 17825 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 17826 finishedReceiver); 17827 } 17828 17829 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17830 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17831 sendResourcesChangedBroadcast(mediaStatus, replacing, 17832 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 17833 } 17834 17835 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17836 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17837 int size = pkgList.length; 17838 if (size > 0) { 17839 // Send broadcasts here 17840 Bundle extras = new Bundle(); 17841 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 17842 if (uidArr != null) { 17843 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 17844 } 17845 if (replacing) { 17846 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 17847 } 17848 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 17849 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 17850 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 17851 } 17852 } 17853 17854 /* 17855 * Look at potentially valid container ids from processCids If package 17856 * information doesn't match the one on record or package scanning fails, 17857 * the cid is added to list of removeCids. We currently don't delete stale 17858 * containers. 17859 */ 17860 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 17861 boolean externalStorage) { 17862 ArrayList<String> pkgList = new ArrayList<String>(); 17863 Set<AsecInstallArgs> keys = processCids.keySet(); 17864 17865 for (AsecInstallArgs args : keys) { 17866 String codePath = processCids.get(args); 17867 if (DEBUG_SD_INSTALL) 17868 Log.i(TAG, "Loading container : " + args.cid); 17869 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 17870 try { 17871 // Make sure there are no container errors first. 17872 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 17873 Slog.e(TAG, "Failed to mount cid : " + args.cid 17874 + " when installing from sdcard"); 17875 continue; 17876 } 17877 // Check code path here. 17878 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 17879 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 17880 + " does not match one in settings " + codePath); 17881 continue; 17882 } 17883 // Parse package 17884 int parseFlags = mDefParseFlags; 17885 if (args.isExternalAsec()) { 17886 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 17887 } 17888 if (args.isFwdLocked()) { 17889 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 17890 } 17891 17892 synchronized (mInstallLock) { 17893 PackageParser.Package pkg = null; 17894 try { 17895 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 17896 } catch (PackageManagerException e) { 17897 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 17898 } 17899 // Scan the package 17900 if (pkg != null) { 17901 /* 17902 * TODO why is the lock being held? doPostInstall is 17903 * called in other places without the lock. This needs 17904 * to be straightened out. 17905 */ 17906 // writer 17907 synchronized (mPackages) { 17908 retCode = PackageManager.INSTALL_SUCCEEDED; 17909 pkgList.add(pkg.packageName); 17910 // Post process args 17911 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 17912 pkg.applicationInfo.uid); 17913 } 17914 } else { 17915 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 17916 } 17917 } 17918 17919 } finally { 17920 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 17921 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 17922 } 17923 } 17924 } 17925 // writer 17926 synchronized (mPackages) { 17927 // If the platform SDK has changed since the last time we booted, 17928 // we need to re-grant app permission to catch any new ones that 17929 // appear. This is really a hack, and means that apps can in some 17930 // cases get permissions that the user didn't initially explicitly 17931 // allow... it would be nice to have some better way to handle 17932 // this situation. 17933 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 17934 : mSettings.getInternalVersion(); 17935 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 17936 : StorageManager.UUID_PRIVATE_INTERNAL; 17937 17938 int updateFlags = UPDATE_PERMISSIONS_ALL; 17939 if (ver.sdkVersion != mSdkVersion) { 17940 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17941 + mSdkVersion + "; regranting permissions for external"); 17942 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17943 } 17944 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17945 17946 // Yay, everything is now upgraded 17947 ver.forceCurrent(); 17948 17949 // can downgrade to reader 17950 // Persist settings 17951 mSettings.writeLPr(); 17952 } 17953 // Send a broadcast to let everyone know we are done processing 17954 if (pkgList.size() > 0) { 17955 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 17956 } 17957 } 17958 17959 /* 17960 * Utility method to unload a list of specified containers 17961 */ 17962 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 17963 // Just unmount all valid containers. 17964 for (AsecInstallArgs arg : cidArgs) { 17965 synchronized (mInstallLock) { 17966 arg.doPostDeleteLI(false); 17967 } 17968 } 17969 } 17970 17971 /* 17972 * Unload packages mounted on external media. This involves deleting package 17973 * data from internal structures, sending broadcasts about disabled packages, 17974 * gc'ing to free up references, unmounting all secure containers 17975 * corresponding to packages on external media, and posting a 17976 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 17977 * that we always have to post this message if status has been requested no 17978 * matter what. 17979 */ 17980 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 17981 final boolean reportStatus) { 17982 if (DEBUG_SD_INSTALL) 17983 Log.i(TAG, "unloading media packages"); 17984 ArrayList<String> pkgList = new ArrayList<String>(); 17985 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 17986 final Set<AsecInstallArgs> keys = processCids.keySet(); 17987 for (AsecInstallArgs args : keys) { 17988 String pkgName = args.getPackageName(); 17989 if (DEBUG_SD_INSTALL) 17990 Log.i(TAG, "Trying to unload pkg : " + pkgName); 17991 // Delete package internally 17992 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17993 synchronized (mInstallLock) { 17994 boolean res = deletePackageLI(pkgName, null, false, null, 17995 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 17996 if (res) { 17997 pkgList.add(pkgName); 17998 } else { 17999 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18000 failedList.add(args); 18001 } 18002 } 18003 } 18004 18005 // reader 18006 synchronized (mPackages) { 18007 // We didn't update the settings after removing each package; 18008 // write them now for all packages. 18009 mSettings.writeLPr(); 18010 } 18011 18012 // We have to absolutely send UPDATED_MEDIA_STATUS only 18013 // after confirming that all the receivers processed the ordered 18014 // broadcast when packages get disabled, force a gc to clean things up. 18015 // and unload all the containers. 18016 if (pkgList.size() > 0) { 18017 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18018 new IIntentReceiver.Stub() { 18019 public void performReceive(Intent intent, int resultCode, String data, 18020 Bundle extras, boolean ordered, boolean sticky, 18021 int sendingUser) throws RemoteException { 18022 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18023 reportStatus ? 1 : 0, 1, keys); 18024 mHandler.sendMessage(msg); 18025 } 18026 }); 18027 } else { 18028 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18029 keys); 18030 mHandler.sendMessage(msg); 18031 } 18032 } 18033 18034 private void loadPrivatePackages(final VolumeInfo vol) { 18035 mHandler.post(new Runnable() { 18036 @Override 18037 public void run() { 18038 loadPrivatePackagesInner(vol); 18039 } 18040 }); 18041 } 18042 18043 private void loadPrivatePackagesInner(VolumeInfo vol) { 18044 final String volumeUuid = vol.fsUuid; 18045 if (TextUtils.isEmpty(volumeUuid)) { 18046 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18047 return; 18048 } 18049 18050 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18051 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18052 18053 final VersionInfo ver; 18054 final List<PackageSetting> packages; 18055 synchronized (mPackages) { 18056 ver = mSettings.findOrCreateVersion(volumeUuid); 18057 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18058 } 18059 18060 // TODO: introduce a new concept similar to "frozen" to prevent these 18061 // apps from being launched until after data has been fully reconciled 18062 for (PackageSetting ps : packages) { 18063 synchronized (mInstallLock) { 18064 final PackageParser.Package pkg; 18065 try { 18066 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18067 loaded.add(pkg.applicationInfo); 18068 18069 } catch (PackageManagerException e) { 18070 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18071 } 18072 18073 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18074 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 18075 } 18076 } 18077 } 18078 18079 // Reconcile app data for all started/unlocked users 18080 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18081 final UserManager um = mContext.getSystemService(UserManager.class); 18082 for (UserInfo user : um.getUsers()) { 18083 final int flags; 18084 if (um.isUserUnlocked(user.id)) { 18085 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18086 } else if (um.isUserRunning(user.id)) { 18087 flags = StorageManager.FLAG_STORAGE_DE; 18088 } else { 18089 continue; 18090 } 18091 18092 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18093 reconcileAppsData(volumeUuid, user.id, flags); 18094 } 18095 18096 synchronized (mPackages) { 18097 int updateFlags = UPDATE_PERMISSIONS_ALL; 18098 if (ver.sdkVersion != mSdkVersion) { 18099 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18100 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18101 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18102 } 18103 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18104 18105 // Yay, everything is now upgraded 18106 ver.forceCurrent(); 18107 18108 mSettings.writeLPr(); 18109 } 18110 18111 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18112 sendResourcesChangedBroadcast(true, false, loaded, null); 18113 } 18114 18115 private void unloadPrivatePackages(final VolumeInfo vol) { 18116 mHandler.post(new Runnable() { 18117 @Override 18118 public void run() { 18119 unloadPrivatePackagesInner(vol); 18120 } 18121 }); 18122 } 18123 18124 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18125 final String volumeUuid = vol.fsUuid; 18126 if (TextUtils.isEmpty(volumeUuid)) { 18127 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18128 return; 18129 } 18130 18131 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18132 synchronized (mInstallLock) { 18133 synchronized (mPackages) { 18134 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18135 for (PackageSetting ps : packages) { 18136 if (ps.pkg == null) continue; 18137 18138 final ApplicationInfo info = ps.pkg.applicationInfo; 18139 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18140 if (deletePackageLI(ps.name, null, false, null, 18141 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 18142 unloaded.add(info); 18143 } else { 18144 Slog.w(TAG, "Failed to unload " + ps.codePath); 18145 } 18146 } 18147 18148 mSettings.writeLPr(); 18149 } 18150 } 18151 18152 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18153 sendResourcesChangedBroadcast(false, false, unloaded, null); 18154 } 18155 18156 /** 18157 * Examine all users present on given mounted volume, and destroy data 18158 * belonging to users that are no longer valid, or whose user ID has been 18159 * recycled. 18160 */ 18161 private void reconcileUsers(String volumeUuid) { 18162 // TODO: also reconcile DE directories 18163 final File[] files = FileUtils 18164 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 18165 for (File file : files) { 18166 if (!file.isDirectory()) continue; 18167 18168 final int userId; 18169 final UserInfo info; 18170 try { 18171 userId = Integer.parseInt(file.getName()); 18172 info = sUserManager.getUserInfo(userId); 18173 } catch (NumberFormatException e) { 18174 Slog.w(TAG, "Invalid user directory " + file); 18175 continue; 18176 } 18177 18178 boolean destroyUser = false; 18179 if (info == null) { 18180 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18181 + " because no matching user was found"); 18182 destroyUser = true; 18183 } else { 18184 try { 18185 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18186 } catch (IOException e) { 18187 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18188 + " because we failed to enforce serial number: " + e); 18189 destroyUser = true; 18190 } 18191 } 18192 18193 if (destroyUser) { 18194 synchronized (mInstallLock) { 18195 try { 18196 mInstaller.removeUserDataDirs(volumeUuid, userId); 18197 } catch (InstallerException e) { 18198 Slog.w(TAG, "Failed to clean up user dirs", e); 18199 } 18200 } 18201 } 18202 } 18203 } 18204 18205 private void assertPackageKnown(String volumeUuid, String packageName) 18206 throws PackageManagerException { 18207 synchronized (mPackages) { 18208 final PackageSetting ps = mSettings.mPackages.get(packageName); 18209 if (ps == null) { 18210 throw new PackageManagerException("Package " + packageName + " is unknown"); 18211 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18212 throw new PackageManagerException( 18213 "Package " + packageName + " found on unknown volume " + volumeUuid 18214 + "; expected volume " + ps.volumeUuid); 18215 } 18216 } 18217 } 18218 18219 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18220 throws PackageManagerException { 18221 synchronized (mPackages) { 18222 final PackageSetting ps = mSettings.mPackages.get(packageName); 18223 if (ps == null) { 18224 throw new PackageManagerException("Package " + packageName + " is unknown"); 18225 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18226 throw new PackageManagerException( 18227 "Package " + packageName + " found on unknown volume " + volumeUuid 18228 + "; expected volume " + ps.volumeUuid); 18229 } else if (!ps.getInstalled(userId)) { 18230 throw new PackageManagerException( 18231 "Package " + packageName + " not installed for user " + userId); 18232 } 18233 } 18234 } 18235 18236 /** 18237 * Examine all apps present on given mounted volume, and destroy apps that 18238 * aren't expected, either due to uninstallation or reinstallation on 18239 * another volume. 18240 */ 18241 private void reconcileApps(String volumeUuid) { 18242 final File[] files = FileUtils 18243 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18244 for (File file : files) { 18245 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18246 && !PackageInstallerService.isStageName(file.getName()); 18247 if (!isPackage) { 18248 // Ignore entries which are not packages 18249 continue; 18250 } 18251 18252 try { 18253 final PackageLite pkg = PackageParser.parsePackageLite(file, 18254 PackageParser.PARSE_MUST_BE_APK); 18255 assertPackageKnown(volumeUuid, pkg.packageName); 18256 18257 } catch (PackageParserException | PackageManagerException e) { 18258 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18259 synchronized (mInstallLock) { 18260 removeCodePathLI(file); 18261 } 18262 } 18263 } 18264 } 18265 18266 /** 18267 * Reconcile all app data for the given user. 18268 * <p> 18269 * Verifies that directories exist and that ownership and labeling is 18270 * correct for all installed apps on all mounted volumes. 18271 */ 18272 void reconcileAppsData(int userId, int flags) { 18273 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18274 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18275 final String volumeUuid = vol.getFsUuid(); 18276 reconcileAppsData(volumeUuid, userId, flags); 18277 } 18278 } 18279 18280 /** 18281 * Reconcile all app data on given mounted volume. 18282 * <p> 18283 * Destroys app data that isn't expected, either due to uninstallation or 18284 * reinstallation on another volume. 18285 * <p> 18286 * Verifies that directories exist and that ownership and labeling is 18287 * correct for all installed apps. 18288 */ 18289 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 18290 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 18291 + Integer.toHexString(flags)); 18292 18293 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 18294 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 18295 18296 boolean restoreconNeeded = false; 18297 18298 // First look for stale data that doesn't belong, and check if things 18299 // have changed since we did our last restorecon 18300 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18301 if (!isUserKeyUnlocked(userId)) { 18302 throw new RuntimeException( 18303 "Yikes, someone asked us to reconcile CE storage while " + userId 18304 + " was still locked; this would have caused massive data loss!"); 18305 } 18306 18307 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 18308 18309 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 18310 for (File file : files) { 18311 final String packageName = file.getName(); 18312 try { 18313 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18314 } catch (PackageManagerException e) { 18315 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18316 synchronized (mInstallLock) { 18317 destroyAppDataLI(volumeUuid, packageName, userId, 18318 StorageManager.FLAG_STORAGE_CE); 18319 } 18320 } 18321 } 18322 } 18323 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18324 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 18325 18326 final File[] files = FileUtils.listFilesOrEmpty(deDir); 18327 for (File file : files) { 18328 final String packageName = file.getName(); 18329 try { 18330 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18331 } catch (PackageManagerException e) { 18332 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18333 synchronized (mInstallLock) { 18334 destroyAppDataLI(volumeUuid, packageName, userId, 18335 StorageManager.FLAG_STORAGE_DE); 18336 } 18337 } 18338 } 18339 } 18340 18341 // Ensure that data directories are ready to roll for all packages 18342 // installed for this volume and user 18343 final List<PackageSetting> packages; 18344 synchronized (mPackages) { 18345 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18346 } 18347 int preparedCount = 0; 18348 for (PackageSetting ps : packages) { 18349 final String packageName = ps.name; 18350 if (ps.pkg == null) { 18351 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18352 // TODO: might be due to legacy ASEC apps; we should circle back 18353 // and reconcile again once they're scanned 18354 continue; 18355 } 18356 18357 if (ps.getInstalled(userId)) { 18358 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18359 18360 if (maybeMigrateAppData(volumeUuid, userId, ps.pkg)) { 18361 // We may have just shuffled around app data directories, so 18362 // prepare them one more time 18363 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18364 } 18365 18366 preparedCount++; 18367 } 18368 } 18369 18370 if (restoreconNeeded) { 18371 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18372 SELinuxMMAC.setRestoreconDone(ceDir); 18373 } 18374 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18375 SELinuxMMAC.setRestoreconDone(deDir); 18376 } 18377 } 18378 18379 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 18380 + " packages; restoreconNeeded was " + restoreconNeeded); 18381 } 18382 18383 /** 18384 * Prepare app data for the given app just after it was installed or 18385 * upgraded. This method carefully only touches users that it's installed 18386 * for, and it forces a restorecon to handle any seinfo changes. 18387 * <p> 18388 * Verifies that directories exist and that ownership and labeling is 18389 * correct for all installed apps. If there is an ownership mismatch, it 18390 * will try recovering system apps by wiping data; third-party app data is 18391 * left intact. 18392 * <p> 18393 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 18394 */ 18395 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 18396 prepareAppDataAfterInstallInternal(pkg); 18397 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18398 for (int i = 0; i < childCount; i++) { 18399 PackageParser.Package childPackage = pkg.childPackages.get(i); 18400 prepareAppDataAfterInstallInternal(childPackage); 18401 } 18402 } 18403 18404 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 18405 final PackageSetting ps; 18406 synchronized (mPackages) { 18407 ps = mSettings.mPackages.get(pkg.packageName); 18408 mSettings.writeKernelMappingLPr(ps); 18409 } 18410 18411 final UserManager um = mContext.getSystemService(UserManager.class); 18412 for (UserInfo user : um.getUsers()) { 18413 final int flags; 18414 if (um.isUserUnlocked(user.id)) { 18415 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18416 } else if (um.isUserRunning(user.id)) { 18417 flags = StorageManager.FLAG_STORAGE_DE; 18418 } else { 18419 continue; 18420 } 18421 18422 if (ps.getInstalled(user.id)) { 18423 // Whenever an app changes, force a restorecon of its data 18424 // TODO: when user data is locked, mark that we're still dirty 18425 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 18426 } 18427 } 18428 } 18429 18430 /** 18431 * Prepare app data for the given app. 18432 * <p> 18433 * Verifies that directories exist and that ownership and labeling is 18434 * correct for all installed apps. If there is an ownership mismatch, this 18435 * will try recovering system apps by wiping data; third-party app data is 18436 * left intact. 18437 */ 18438 private void prepareAppData(String volumeUuid, int userId, int flags, 18439 PackageParser.Package pkg, boolean restoreconNeeded) { 18440 if (DEBUG_APP_DATA) { 18441 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18442 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18443 } 18444 18445 final String packageName = pkg.packageName; 18446 final ApplicationInfo app = pkg.applicationInfo; 18447 final int appId = UserHandle.getAppId(app.uid); 18448 18449 Preconditions.checkNotNull(app.seinfo); 18450 18451 synchronized (mInstallLock) { 18452 try { 18453 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18454 appId, app.seinfo, app.targetSdkVersion); 18455 } catch (InstallerException e) { 18456 if (app.isSystemApp()) { 18457 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18458 + ", but trying to recover: " + e); 18459 destroyAppDataLI(volumeUuid, packageName, userId, flags); 18460 try { 18461 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18462 appId, app.seinfo, app.targetSdkVersion); 18463 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18464 } catch (InstallerException e2) { 18465 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18466 } 18467 } else { 18468 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18469 } 18470 } 18471 18472 if (restoreconNeeded) { 18473 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 18474 } 18475 18476 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18477 // Create a native library symlink only if we have native libraries 18478 // and if the native libraries are 32 bit libraries. We do not provide 18479 // this symlink for 64 bit libraries. 18480 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18481 final String nativeLibPath = app.nativeLibraryDir; 18482 try { 18483 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18484 nativeLibPath, userId); 18485 } catch (InstallerException e) { 18486 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18487 } 18488 } 18489 } 18490 } 18491 } 18492 18493 /** 18494 * For system apps on non-FBE devices, this method migrates any existing 18495 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 18496 * requested by the app. 18497 */ 18498 private boolean maybeMigrateAppData(String volumeUuid, int userId, PackageParser.Package pkg) { 18499 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 18500 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 18501 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 18502 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 18503 synchronized (mInstallLock) { 18504 try { 18505 mInstaller.migrateAppData(volumeUuid, pkg.packageName, userId, storageTarget); 18506 } catch (InstallerException e) { 18507 logCriticalInfo(Log.WARN, 18508 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 18509 } 18510 } 18511 return true; 18512 } else { 18513 return false; 18514 } 18515 } 18516 18517 private void unfreezePackage(String packageName) { 18518 synchronized (mPackages) { 18519 final PackageSetting ps = mSettings.mPackages.get(packageName); 18520 if (ps != null) { 18521 ps.frozen = false; 18522 } 18523 } 18524 } 18525 18526 @Override 18527 public int movePackage(final String packageName, final String volumeUuid) { 18528 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18529 18530 final int moveId = mNextMoveId.getAndIncrement(); 18531 mHandler.post(new Runnable() { 18532 @Override 18533 public void run() { 18534 try { 18535 movePackageInternal(packageName, volumeUuid, moveId); 18536 } catch (PackageManagerException e) { 18537 Slog.w(TAG, "Failed to move " + packageName, e); 18538 mMoveCallbacks.notifyStatusChanged(moveId, 18539 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18540 } 18541 } 18542 }); 18543 return moveId; 18544 } 18545 18546 private void movePackageInternal(final String packageName, final String volumeUuid, 18547 final int moveId) throws PackageManagerException { 18548 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 18549 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18550 final PackageManager pm = mContext.getPackageManager(); 18551 18552 final boolean currentAsec; 18553 final String currentVolumeUuid; 18554 final File codeFile; 18555 final String installerPackageName; 18556 final String packageAbiOverride; 18557 final int appId; 18558 final String seinfo; 18559 final String label; 18560 final int targetSdkVersion; 18561 18562 // reader 18563 synchronized (mPackages) { 18564 final PackageParser.Package pkg = mPackages.get(packageName); 18565 final PackageSetting ps = mSettings.mPackages.get(packageName); 18566 if (pkg == null || ps == null) { 18567 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 18568 } 18569 18570 if (pkg.applicationInfo.isSystemApp()) { 18571 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 18572 "Cannot move system application"); 18573 } 18574 18575 if (pkg.applicationInfo.isExternalAsec()) { 18576 currentAsec = true; 18577 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 18578 } else if (pkg.applicationInfo.isForwardLocked()) { 18579 currentAsec = true; 18580 currentVolumeUuid = "forward_locked"; 18581 } else { 18582 currentAsec = false; 18583 currentVolumeUuid = ps.volumeUuid; 18584 18585 final File probe = new File(pkg.codePath); 18586 final File probeOat = new File(probe, "oat"); 18587 if (!probe.isDirectory() || !probeOat.isDirectory()) { 18588 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18589 "Move only supported for modern cluster style installs"); 18590 } 18591 } 18592 18593 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 18594 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18595 "Package already moved to " + volumeUuid); 18596 } 18597 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 18598 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 18599 "Device admin cannot be moved"); 18600 } 18601 18602 if (ps.frozen) { 18603 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 18604 "Failed to move already frozen package"); 18605 } 18606 ps.frozen = true; 18607 18608 codeFile = new File(pkg.codePath); 18609 installerPackageName = ps.installerPackageName; 18610 packageAbiOverride = ps.cpuAbiOverrideString; 18611 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18612 seinfo = pkg.applicationInfo.seinfo; 18613 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 18614 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 18615 } 18616 18617 // Now that we're guarded by frozen state, kill app during move 18618 final long token = Binder.clearCallingIdentity(); 18619 try { 18620 killApplication(packageName, appId, "move pkg"); 18621 } finally { 18622 Binder.restoreCallingIdentity(token); 18623 } 18624 18625 final Bundle extras = new Bundle(); 18626 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 18627 extras.putString(Intent.EXTRA_TITLE, label); 18628 mMoveCallbacks.notifyCreated(moveId, extras); 18629 18630 int installFlags; 18631 final boolean moveCompleteApp; 18632 final File measurePath; 18633 18634 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 18635 installFlags = INSTALL_INTERNAL; 18636 moveCompleteApp = !currentAsec; 18637 measurePath = Environment.getDataAppDirectory(volumeUuid); 18638 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 18639 installFlags = INSTALL_EXTERNAL; 18640 moveCompleteApp = false; 18641 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 18642 } else { 18643 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 18644 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 18645 || !volume.isMountedWritable()) { 18646 unfreezePackage(packageName); 18647 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18648 "Move location not mounted private volume"); 18649 } 18650 18651 Preconditions.checkState(!currentAsec); 18652 18653 installFlags = INSTALL_INTERNAL; 18654 moveCompleteApp = true; 18655 measurePath = Environment.getDataAppDirectory(volumeUuid); 18656 } 18657 18658 final PackageStats stats = new PackageStats(null, -1); 18659 synchronized (mInstaller) { 18660 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 18661 unfreezePackage(packageName); 18662 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18663 "Failed to measure package size"); 18664 } 18665 } 18666 18667 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 18668 + stats.dataSize); 18669 18670 final long startFreeBytes = measurePath.getFreeSpace(); 18671 final long sizeBytes; 18672 if (moveCompleteApp) { 18673 sizeBytes = stats.codeSize + stats.dataSize; 18674 } else { 18675 sizeBytes = stats.codeSize; 18676 } 18677 18678 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 18679 unfreezePackage(packageName); 18680 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18681 "Not enough free space to move"); 18682 } 18683 18684 mMoveCallbacks.notifyStatusChanged(moveId, 10); 18685 18686 final CountDownLatch installedLatch = new CountDownLatch(1); 18687 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 18688 @Override 18689 public void onUserActionRequired(Intent intent) throws RemoteException { 18690 throw new IllegalStateException(); 18691 } 18692 18693 @Override 18694 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 18695 Bundle extras) throws RemoteException { 18696 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 18697 + PackageManager.installStatusToString(returnCode, msg)); 18698 18699 installedLatch.countDown(); 18700 18701 // Regardless of success or failure of the move operation, 18702 // always unfreeze the package 18703 unfreezePackage(packageName); 18704 18705 final int status = PackageManager.installStatusToPublicStatus(returnCode); 18706 switch (status) { 18707 case PackageInstaller.STATUS_SUCCESS: 18708 mMoveCallbacks.notifyStatusChanged(moveId, 18709 PackageManager.MOVE_SUCCEEDED); 18710 break; 18711 case PackageInstaller.STATUS_FAILURE_STORAGE: 18712 mMoveCallbacks.notifyStatusChanged(moveId, 18713 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 18714 break; 18715 default: 18716 mMoveCallbacks.notifyStatusChanged(moveId, 18717 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18718 break; 18719 } 18720 } 18721 }; 18722 18723 final MoveInfo move; 18724 if (moveCompleteApp) { 18725 // Kick off a thread to report progress estimates 18726 new Thread() { 18727 @Override 18728 public void run() { 18729 while (true) { 18730 try { 18731 if (installedLatch.await(1, TimeUnit.SECONDS)) { 18732 break; 18733 } 18734 } catch (InterruptedException ignored) { 18735 } 18736 18737 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 18738 final int progress = 10 + (int) MathUtils.constrain( 18739 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 18740 mMoveCallbacks.notifyStatusChanged(moveId, progress); 18741 } 18742 } 18743 }.start(); 18744 18745 final String dataAppName = codeFile.getName(); 18746 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 18747 dataAppName, appId, seinfo, targetSdkVersion); 18748 } else { 18749 move = null; 18750 } 18751 18752 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 18753 18754 final Message msg = mHandler.obtainMessage(INIT_COPY); 18755 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 18756 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 18757 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 18758 packageAbiOverride, null); 18759 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 18760 msg.obj = params; 18761 18762 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 18763 System.identityHashCode(msg.obj)); 18764 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 18765 System.identityHashCode(msg.obj)); 18766 18767 mHandler.sendMessage(msg); 18768 } 18769 18770 @Override 18771 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 18772 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18773 18774 final int realMoveId = mNextMoveId.getAndIncrement(); 18775 final Bundle extras = new Bundle(); 18776 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 18777 mMoveCallbacks.notifyCreated(realMoveId, extras); 18778 18779 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 18780 @Override 18781 public void onCreated(int moveId, Bundle extras) { 18782 // Ignored 18783 } 18784 18785 @Override 18786 public void onStatusChanged(int moveId, int status, long estMillis) { 18787 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 18788 } 18789 }; 18790 18791 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18792 storage.setPrimaryStorageUuid(volumeUuid, callback); 18793 return realMoveId; 18794 } 18795 18796 @Override 18797 public int getMoveStatus(int moveId) { 18798 mContext.enforceCallingOrSelfPermission( 18799 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18800 return mMoveCallbacks.mLastStatus.get(moveId); 18801 } 18802 18803 @Override 18804 public void registerMoveCallback(IPackageMoveObserver callback) { 18805 mContext.enforceCallingOrSelfPermission( 18806 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18807 mMoveCallbacks.register(callback); 18808 } 18809 18810 @Override 18811 public void unregisterMoveCallback(IPackageMoveObserver callback) { 18812 mContext.enforceCallingOrSelfPermission( 18813 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18814 mMoveCallbacks.unregister(callback); 18815 } 18816 18817 @Override 18818 public boolean setInstallLocation(int loc) { 18819 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 18820 null); 18821 if (getInstallLocation() == loc) { 18822 return true; 18823 } 18824 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 18825 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 18826 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 18827 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 18828 return true; 18829 } 18830 return false; 18831 } 18832 18833 @Override 18834 public int getInstallLocation() { 18835 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 18836 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 18837 PackageHelper.APP_INSTALL_AUTO); 18838 } 18839 18840 /** Called by UserManagerService */ 18841 void cleanUpUser(UserManagerService userManager, int userHandle) { 18842 synchronized (mPackages) { 18843 mDirtyUsers.remove(userHandle); 18844 mUserNeedsBadging.delete(userHandle); 18845 mSettings.removeUserLPw(userHandle); 18846 mPendingBroadcasts.remove(userHandle); 18847 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 18848 } 18849 synchronized (mInstallLock) { 18850 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18851 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18852 final String volumeUuid = vol.getFsUuid(); 18853 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 18854 try { 18855 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 18856 } catch (InstallerException e) { 18857 Slog.w(TAG, "Failed to remove user data", e); 18858 } 18859 } 18860 synchronized (mPackages) { 18861 removeUnusedPackagesLILPw(userManager, userHandle); 18862 } 18863 } 18864 } 18865 18866 /** 18867 * We're removing userHandle and would like to remove any downloaded packages 18868 * that are no longer in use by any other user. 18869 * @param userHandle the user being removed 18870 */ 18871 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 18872 final boolean DEBUG_CLEAN_APKS = false; 18873 int [] users = userManager.getUserIds(); 18874 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 18875 while (psit.hasNext()) { 18876 PackageSetting ps = psit.next(); 18877 if (ps.pkg == null) { 18878 continue; 18879 } 18880 final String packageName = ps.pkg.packageName; 18881 // Skip over if system app 18882 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 18883 continue; 18884 } 18885 if (DEBUG_CLEAN_APKS) { 18886 Slog.i(TAG, "Checking package " + packageName); 18887 } 18888 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 18889 if (keep) { 18890 if (DEBUG_CLEAN_APKS) { 18891 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 18892 } 18893 } else { 18894 for (int i = 0; i < users.length; i++) { 18895 if (users[i] != userHandle && ps.getInstalled(users[i])) { 18896 keep = true; 18897 if (DEBUG_CLEAN_APKS) { 18898 Slog.i(TAG, " Keeping package " + packageName + " for user " 18899 + users[i]); 18900 } 18901 break; 18902 } 18903 } 18904 } 18905 if (!keep) { 18906 if (DEBUG_CLEAN_APKS) { 18907 Slog.i(TAG, " Removing package " + packageName); 18908 } 18909 mHandler.post(new Runnable() { 18910 public void run() { 18911 deletePackageX(packageName, userHandle, 0); 18912 } //end run 18913 }); 18914 } 18915 } 18916 } 18917 18918 /** Called by UserManagerService */ 18919 void createNewUser(int userHandle) { 18920 synchronized (mInstallLock) { 18921 try { 18922 mInstaller.createUserConfig(userHandle); 18923 } catch (InstallerException e) { 18924 Slog.w(TAG, "Failed to create user config", e); 18925 } 18926 mSettings.createNewUserLI(this, mInstaller, userHandle); 18927 } 18928 synchronized (mPackages) { 18929 applyFactoryDefaultBrowserLPw(userHandle); 18930 primeDomainVerificationsLPw(userHandle); 18931 } 18932 } 18933 18934 void newUserCreated(final int userHandle) { 18935 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 18936 // If permission review for legacy apps is required, we represent 18937 // dagerous permissions for such apps as always granted runtime 18938 // permissions to keep per user flag state whether review is needed. 18939 // Hence, if a new user is added we have to propagate dangerous 18940 // permission grants for these legacy apps. 18941 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 18942 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 18943 | UPDATE_PERMISSIONS_REPLACE_ALL); 18944 } 18945 } 18946 18947 @Override 18948 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 18949 mContext.enforceCallingOrSelfPermission( 18950 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 18951 "Only package verification agents can read the verifier device identity"); 18952 18953 synchronized (mPackages) { 18954 return mSettings.getVerifierDeviceIdentityLPw(); 18955 } 18956 } 18957 18958 @Override 18959 public void setPermissionEnforced(String permission, boolean enforced) { 18960 // TODO: Now that we no longer change GID for storage, this should to away. 18961 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 18962 "setPermissionEnforced"); 18963 if (READ_EXTERNAL_STORAGE.equals(permission)) { 18964 synchronized (mPackages) { 18965 if (mSettings.mReadExternalStorageEnforced == null 18966 || mSettings.mReadExternalStorageEnforced != enforced) { 18967 mSettings.mReadExternalStorageEnforced = enforced; 18968 mSettings.writeLPr(); 18969 } 18970 } 18971 // kill any non-foreground processes so we restart them and 18972 // grant/revoke the GID. 18973 final IActivityManager am = ActivityManagerNative.getDefault(); 18974 if (am != null) { 18975 final long token = Binder.clearCallingIdentity(); 18976 try { 18977 am.killProcessesBelowForeground("setPermissionEnforcement"); 18978 } catch (RemoteException e) { 18979 } finally { 18980 Binder.restoreCallingIdentity(token); 18981 } 18982 } 18983 } else { 18984 throw new IllegalArgumentException("No selective enforcement for " + permission); 18985 } 18986 } 18987 18988 @Override 18989 @Deprecated 18990 public boolean isPermissionEnforced(String permission) { 18991 return true; 18992 } 18993 18994 @Override 18995 public boolean isStorageLow() { 18996 final long token = Binder.clearCallingIdentity(); 18997 try { 18998 final DeviceStorageMonitorInternal 18999 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19000 if (dsm != null) { 19001 return dsm.isMemoryLow(); 19002 } else { 19003 return false; 19004 } 19005 } finally { 19006 Binder.restoreCallingIdentity(token); 19007 } 19008 } 19009 19010 @Override 19011 public IPackageInstaller getPackageInstaller() { 19012 return mInstallerService; 19013 } 19014 19015 private boolean userNeedsBadging(int userId) { 19016 int index = mUserNeedsBadging.indexOfKey(userId); 19017 if (index < 0) { 19018 final UserInfo userInfo; 19019 final long token = Binder.clearCallingIdentity(); 19020 try { 19021 userInfo = sUserManager.getUserInfo(userId); 19022 } finally { 19023 Binder.restoreCallingIdentity(token); 19024 } 19025 final boolean b; 19026 if (userInfo != null && userInfo.isManagedProfile()) { 19027 b = true; 19028 } else { 19029 b = false; 19030 } 19031 mUserNeedsBadging.put(userId, b); 19032 return b; 19033 } 19034 return mUserNeedsBadging.valueAt(index); 19035 } 19036 19037 @Override 19038 public KeySet getKeySetByAlias(String packageName, String alias) { 19039 if (packageName == null || alias == null) { 19040 return null; 19041 } 19042 synchronized(mPackages) { 19043 final PackageParser.Package pkg = mPackages.get(packageName); 19044 if (pkg == null) { 19045 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19046 throw new IllegalArgumentException("Unknown package: " + packageName); 19047 } 19048 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19049 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19050 } 19051 } 19052 19053 @Override 19054 public KeySet getSigningKeySet(String packageName) { 19055 if (packageName == null) { 19056 return null; 19057 } 19058 synchronized(mPackages) { 19059 final PackageParser.Package pkg = mPackages.get(packageName); 19060 if (pkg == null) { 19061 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19062 throw new IllegalArgumentException("Unknown package: " + packageName); 19063 } 19064 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19065 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19066 throw new SecurityException("May not access signing KeySet of other apps."); 19067 } 19068 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19069 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19070 } 19071 } 19072 19073 @Override 19074 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19075 if (packageName == null || ks == null) { 19076 return false; 19077 } 19078 synchronized(mPackages) { 19079 final PackageParser.Package pkg = mPackages.get(packageName); 19080 if (pkg == null) { 19081 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19082 throw new IllegalArgumentException("Unknown package: " + packageName); 19083 } 19084 IBinder ksh = ks.getToken(); 19085 if (ksh instanceof KeySetHandle) { 19086 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19087 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19088 } 19089 return false; 19090 } 19091 } 19092 19093 @Override 19094 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19095 if (packageName == null || ks == null) { 19096 return false; 19097 } 19098 synchronized(mPackages) { 19099 final PackageParser.Package pkg = mPackages.get(packageName); 19100 if (pkg == null) { 19101 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19102 throw new IllegalArgumentException("Unknown package: " + packageName); 19103 } 19104 IBinder ksh = ks.getToken(); 19105 if (ksh instanceof KeySetHandle) { 19106 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19107 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19108 } 19109 return false; 19110 } 19111 } 19112 19113 private void deletePackageIfUnusedLPr(final String packageName) { 19114 PackageSetting ps = mSettings.mPackages.get(packageName); 19115 if (ps == null) { 19116 return; 19117 } 19118 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19119 // TODO Implement atomic delete if package is unused 19120 // It is currently possible that the package will be deleted even if it is installed 19121 // after this method returns. 19122 mHandler.post(new Runnable() { 19123 public void run() { 19124 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19125 } 19126 }); 19127 } 19128 } 19129 19130 /** 19131 * Check and throw if the given before/after packages would be considered a 19132 * downgrade. 19133 */ 19134 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19135 throws PackageManagerException { 19136 if (after.versionCode < before.mVersionCode) { 19137 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19138 "Update version code " + after.versionCode + " is older than current " 19139 + before.mVersionCode); 19140 } else if (after.versionCode == before.mVersionCode) { 19141 if (after.baseRevisionCode < before.baseRevisionCode) { 19142 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19143 "Update base revision code " + after.baseRevisionCode 19144 + " is older than current " + before.baseRevisionCode); 19145 } 19146 19147 if (!ArrayUtils.isEmpty(after.splitNames)) { 19148 for (int i = 0; i < after.splitNames.length; i++) { 19149 final String splitName = after.splitNames[i]; 19150 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 19151 if (j != -1) { 19152 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 19153 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19154 "Update split " + splitName + " revision code " 19155 + after.splitRevisionCodes[i] + " is older than current " 19156 + before.splitRevisionCodes[j]); 19157 } 19158 } 19159 } 19160 } 19161 } 19162 } 19163 19164 private static class MoveCallbacks extends Handler { 19165 private static final int MSG_CREATED = 1; 19166 private static final int MSG_STATUS_CHANGED = 2; 19167 19168 private final RemoteCallbackList<IPackageMoveObserver> 19169 mCallbacks = new RemoteCallbackList<>(); 19170 19171 private final SparseIntArray mLastStatus = new SparseIntArray(); 19172 19173 public MoveCallbacks(Looper looper) { 19174 super(looper); 19175 } 19176 19177 public void register(IPackageMoveObserver callback) { 19178 mCallbacks.register(callback); 19179 } 19180 19181 public void unregister(IPackageMoveObserver callback) { 19182 mCallbacks.unregister(callback); 19183 } 19184 19185 @Override 19186 public void handleMessage(Message msg) { 19187 final SomeArgs args = (SomeArgs) msg.obj; 19188 final int n = mCallbacks.beginBroadcast(); 19189 for (int i = 0; i < n; i++) { 19190 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 19191 try { 19192 invokeCallback(callback, msg.what, args); 19193 } catch (RemoteException ignored) { 19194 } 19195 } 19196 mCallbacks.finishBroadcast(); 19197 args.recycle(); 19198 } 19199 19200 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 19201 throws RemoteException { 19202 switch (what) { 19203 case MSG_CREATED: { 19204 callback.onCreated(args.argi1, (Bundle) args.arg2); 19205 break; 19206 } 19207 case MSG_STATUS_CHANGED: { 19208 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 19209 break; 19210 } 19211 } 19212 } 19213 19214 private void notifyCreated(int moveId, Bundle extras) { 19215 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 19216 19217 final SomeArgs args = SomeArgs.obtain(); 19218 args.argi1 = moveId; 19219 args.arg2 = extras; 19220 obtainMessage(MSG_CREATED, args).sendToTarget(); 19221 } 19222 19223 private void notifyStatusChanged(int moveId, int status) { 19224 notifyStatusChanged(moveId, status, -1); 19225 } 19226 19227 private void notifyStatusChanged(int moveId, int status, long estMillis) { 19228 Slog.v(TAG, "Move " + moveId + " status " + status); 19229 19230 final SomeArgs args = SomeArgs.obtain(); 19231 args.argi1 = moveId; 19232 args.argi2 = status; 19233 args.arg3 = estMillis; 19234 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 19235 19236 synchronized (mLastStatus) { 19237 mLastStatus.put(moveId, status); 19238 } 19239 } 19240 } 19241 19242 private final static class OnPermissionChangeListeners extends Handler { 19243 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 19244 19245 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 19246 new RemoteCallbackList<>(); 19247 19248 public OnPermissionChangeListeners(Looper looper) { 19249 super(looper); 19250 } 19251 19252 @Override 19253 public void handleMessage(Message msg) { 19254 switch (msg.what) { 19255 case MSG_ON_PERMISSIONS_CHANGED: { 19256 final int uid = msg.arg1; 19257 handleOnPermissionsChanged(uid); 19258 } break; 19259 } 19260 } 19261 19262 public void addListenerLocked(IOnPermissionsChangeListener listener) { 19263 mPermissionListeners.register(listener); 19264 19265 } 19266 19267 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 19268 mPermissionListeners.unregister(listener); 19269 } 19270 19271 public void onPermissionsChanged(int uid) { 19272 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 19273 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 19274 } 19275 } 19276 19277 private void handleOnPermissionsChanged(int uid) { 19278 final int count = mPermissionListeners.beginBroadcast(); 19279 try { 19280 for (int i = 0; i < count; i++) { 19281 IOnPermissionsChangeListener callback = mPermissionListeners 19282 .getBroadcastItem(i); 19283 try { 19284 callback.onPermissionsChanged(uid); 19285 } catch (RemoteException e) { 19286 Log.e(TAG, "Permission listener is dead", e); 19287 } 19288 } 19289 } finally { 19290 mPermissionListeners.finishBroadcast(); 19291 } 19292 } 19293 } 19294 19295 private class PackageManagerInternalImpl extends PackageManagerInternal { 19296 @Override 19297 public void setLocationPackagesProvider(PackagesProvider provider) { 19298 synchronized (mPackages) { 19299 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 19300 } 19301 } 19302 19303 @Override 19304 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 19305 synchronized (mPackages) { 19306 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 19307 } 19308 } 19309 19310 @Override 19311 public void setSmsAppPackagesProvider(PackagesProvider provider) { 19312 synchronized (mPackages) { 19313 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 19314 } 19315 } 19316 19317 @Override 19318 public void setDialerAppPackagesProvider(PackagesProvider provider) { 19319 synchronized (mPackages) { 19320 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 19321 } 19322 } 19323 19324 @Override 19325 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 19326 synchronized (mPackages) { 19327 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 19328 } 19329 } 19330 19331 @Override 19332 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 19333 synchronized (mPackages) { 19334 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 19335 } 19336 } 19337 19338 @Override 19339 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 19340 synchronized (mPackages) { 19341 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 19342 packageName, userId); 19343 } 19344 } 19345 19346 @Override 19347 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 19348 synchronized (mPackages) { 19349 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 19350 packageName, userId); 19351 } 19352 } 19353 19354 @Override 19355 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 19356 synchronized (mPackages) { 19357 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 19358 packageName, userId); 19359 } 19360 } 19361 19362 @Override 19363 public void setKeepUninstalledPackages(final List<String> packageList) { 19364 Preconditions.checkNotNull(packageList); 19365 List<String> removedFromList = null; 19366 synchronized (mPackages) { 19367 if (mKeepUninstalledPackages != null) { 19368 final int packagesCount = mKeepUninstalledPackages.size(); 19369 for (int i = 0; i < packagesCount; i++) { 19370 String oldPackage = mKeepUninstalledPackages.get(i); 19371 if (packageList != null && packageList.contains(oldPackage)) { 19372 continue; 19373 } 19374 if (removedFromList == null) { 19375 removedFromList = new ArrayList<>(); 19376 } 19377 removedFromList.add(oldPackage); 19378 } 19379 } 19380 mKeepUninstalledPackages = new ArrayList<>(packageList); 19381 if (removedFromList != null) { 19382 final int removedCount = removedFromList.size(); 19383 for (int i = 0; i < removedCount; i++) { 19384 deletePackageIfUnusedLPr(removedFromList.get(i)); 19385 } 19386 } 19387 } 19388 } 19389 19390 @Override 19391 public boolean isPermissionsReviewRequired(String packageName, int userId) { 19392 synchronized (mPackages) { 19393 // If we do not support permission review, done. 19394 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 19395 return false; 19396 } 19397 19398 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 19399 if (packageSetting == null) { 19400 return false; 19401 } 19402 19403 // Permission review applies only to apps not supporting the new permission model. 19404 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 19405 return false; 19406 } 19407 19408 // Legacy apps have the permission and get user consent on launch. 19409 PermissionsState permissionsState = packageSetting.getPermissionsState(); 19410 return permissionsState.isPermissionReviewRequired(userId); 19411 } 19412 } 19413 19414 @Override 19415 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 19416 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 19417 } 19418 19419 @Override 19420 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19421 int userId) { 19422 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 19423 } 19424 } 19425 19426 @Override 19427 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 19428 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 19429 synchronized (mPackages) { 19430 final long identity = Binder.clearCallingIdentity(); 19431 try { 19432 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19433 packageNames, userId); 19434 } finally { 19435 Binder.restoreCallingIdentity(identity); 19436 } 19437 } 19438 } 19439 19440 private static void enforceSystemOrPhoneCaller(String tag) { 19441 int callingUid = Binder.getCallingUid(); 19442 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 19443 throw new SecurityException( 19444 "Cannot call " + tag + " from UID " + callingUid); 19445 } 19446 } 19447 19448 boolean isHistoricalPackageUsageAvailable() { 19449 return mPackageUsage.isHistoricalPackageUsageAvailable(); 19450 } 19451 19452 /** 19453 * Return a <b>copy</b> of the collection of packages known to the package manager. 19454 * @return A copy of the values of mPackages. 19455 */ 19456 Collection<PackageParser.Package> getPackages() { 19457 synchronized (mPackages) { 19458 return new ArrayList<>(mPackages.values()); 19459 } 19460 } 19461} 19462