PackageManagerService.java revision ecb34651be8b69de5aaedf9a9651d366e336d3a3
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.admin.SecurityLog; 110import android.app.backup.IBackupManager; 111import android.content.BroadcastReceiver; 112import android.content.ComponentName; 113import android.content.Context; 114import android.content.IIntentReceiver; 115import android.content.Intent; 116import android.content.IntentFilter; 117import android.content.IntentSender; 118import android.content.IntentSender.SendIntentException; 119import android.content.ServiceConnection; 120import android.content.pm.ActivityInfo; 121import android.content.pm.ApplicationInfo; 122import android.content.pm.AppsQueryHelper; 123import android.content.pm.ComponentInfo; 124import android.content.pm.EphemeralApplicationInfo; 125import android.content.pm.EphemeralResolveInfo; 126import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 127import android.content.pm.FeatureInfo; 128import android.content.pm.IOnPermissionsChangeListener; 129import android.content.pm.IPackageDataObserver; 130import android.content.pm.IPackageDeleteObserver; 131import android.content.pm.IPackageDeleteObserver2; 132import android.content.pm.IPackageInstallObserver2; 133import android.content.pm.IPackageInstaller; 134import android.content.pm.IPackageManager; 135import android.content.pm.IPackageMoveObserver; 136import android.content.pm.IPackageStatsObserver; 137import android.content.pm.InstrumentationInfo; 138import android.content.pm.IntentFilterVerificationInfo; 139import android.content.pm.KeySet; 140import android.content.pm.PackageCleanItem; 141import android.content.pm.PackageInfo; 142import android.content.pm.PackageInfoLite; 143import android.content.pm.PackageInstaller; 144import android.content.pm.PackageManager; 145import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 146import android.content.pm.PackageManagerInternal; 147import android.content.pm.PackageParser; 148import android.content.pm.PackageParser.ActivityIntentInfo; 149import android.content.pm.PackageParser.PackageLite; 150import android.content.pm.PackageParser.PackageParserException; 151import android.content.pm.PackageStats; 152import android.content.pm.PackageUserState; 153import android.content.pm.ParceledListSlice; 154import android.content.pm.PermissionGroupInfo; 155import android.content.pm.PermissionInfo; 156import android.content.pm.ProviderInfo; 157import android.content.pm.ResolveInfo; 158import android.content.pm.ServiceInfo; 159import android.content.pm.Signature; 160import android.content.pm.UserInfo; 161import android.content.pm.VerifierDeviceIdentity; 162import android.content.pm.VerifierInfo; 163import android.content.res.Resources; 164import android.graphics.Bitmap; 165import android.hardware.display.DisplayManager; 166import android.net.Uri; 167import android.os.Binder; 168import android.os.Build; 169import android.os.Bundle; 170import android.os.Debug; 171import android.os.Environment; 172import android.os.Environment.UserEnvironment; 173import android.os.FileUtils; 174import android.os.Handler; 175import android.os.IBinder; 176import android.os.Looper; 177import android.os.Message; 178import android.os.Parcel; 179import android.os.ParcelFileDescriptor; 180import android.os.Process; 181import android.os.RemoteCallbackList; 182import android.os.RemoteException; 183import android.os.ResultReceiver; 184import android.os.SELinux; 185import android.os.ServiceManager; 186import android.os.SystemClock; 187import android.os.SystemProperties; 188import android.os.Trace; 189import android.os.UserHandle; 190import android.os.UserManager; 191import android.os.storage.IMountService; 192import android.os.storage.MountServiceInternal; 193import android.os.storage.StorageEventListener; 194import android.os.storage.StorageManager; 195import android.os.storage.VolumeInfo; 196import android.os.storage.VolumeRecord; 197import android.security.KeyStore; 198import android.security.SystemKeyStore; 199import android.system.ErrnoException; 200import android.system.Os; 201import android.text.TextUtils; 202import android.text.format.DateUtils; 203import android.util.ArrayMap; 204import android.util.ArraySet; 205import android.util.AtomicFile; 206import android.util.DisplayMetrics; 207import android.util.EventLog; 208import android.util.ExceptionUtils; 209import android.util.Log; 210import android.util.LogPrinter; 211import android.util.MathUtils; 212import android.util.PrintStreamPrinter; 213import android.util.Slog; 214import android.util.SparseArray; 215import android.util.SparseBooleanArray; 216import android.util.SparseIntArray; 217import android.util.Xml; 218import android.view.Display; 219 220import com.android.internal.R; 221import com.android.internal.annotations.GuardedBy; 222import com.android.internal.app.IMediaContainerService; 223import com.android.internal.app.ResolverActivity; 224import com.android.internal.content.NativeLibraryHelper; 225import com.android.internal.content.PackageHelper; 226import com.android.internal.os.IParcelFileDescriptorFactory; 227import com.android.internal.os.InstallerConnection.InstallerException; 228import com.android.internal.os.SomeArgs; 229import com.android.internal.os.Zygote; 230import com.android.internal.util.ArrayUtils; 231import com.android.internal.util.FastPrintWriter; 232import com.android.internal.util.FastXmlSerializer; 233import com.android.internal.util.IndentingPrintWriter; 234import com.android.internal.util.Preconditions; 235import com.android.internal.util.XmlUtils; 236import com.android.server.EventLogTags; 237import com.android.server.FgThread; 238import com.android.server.IntentResolver; 239import com.android.server.LocalServices; 240import com.android.server.ServiceThread; 241import com.android.server.SystemConfig; 242import com.android.server.Watchdog; 243import com.android.server.pm.PermissionsState.PermissionState; 244import com.android.server.pm.Settings.DatabaseVersion; 245import com.android.server.pm.Settings.VersionInfo; 246import com.android.server.storage.DeviceStorageMonitorInternal; 247 248import dalvik.system.DexFile; 249import dalvik.system.VMRuntime; 250 251import libcore.io.IoUtils; 252import libcore.util.EmptyArray; 253 254import org.xmlpull.v1.XmlPullParser; 255import org.xmlpull.v1.XmlPullParserException; 256import org.xmlpull.v1.XmlSerializer; 257 258import java.io.BufferedInputStream; 259import java.io.BufferedOutputStream; 260import java.io.BufferedReader; 261import java.io.ByteArrayInputStream; 262import java.io.ByteArrayOutputStream; 263import java.io.File; 264import java.io.FileDescriptor; 265import java.io.FileNotFoundException; 266import java.io.FileOutputStream; 267import java.io.FileReader; 268import java.io.FilenameFilter; 269import java.io.IOException; 270import java.io.InputStream; 271import java.io.PrintWriter; 272import java.nio.charset.StandardCharsets; 273import java.security.MessageDigest; 274import java.security.NoSuchAlgorithmException; 275import java.security.PublicKey; 276import java.security.cert.CertificateEncodingException; 277import java.security.cert.CertificateException; 278import java.text.SimpleDateFormat; 279import java.util.ArrayList; 280import java.util.Arrays; 281import java.util.Collection; 282import java.util.Collections; 283import java.util.Comparator; 284import java.util.Date; 285import java.util.HashSet; 286import java.util.Iterator; 287import java.util.List; 288import java.util.Map; 289import java.util.Objects; 290import java.util.Set; 291import java.util.concurrent.CountDownLatch; 292import java.util.concurrent.TimeUnit; 293import java.util.concurrent.atomic.AtomicBoolean; 294import java.util.concurrent.atomic.AtomicInteger; 295import java.util.concurrent.atomic.AtomicLong; 296 297/** 298 * Keep track of all those .apks everywhere. 299 * 300 * This is very central to the platform's security; please run the unit 301 * tests whenever making modifications here: 302 * 303runtest -c android.content.pm.PackageManagerTests frameworks-core 304 * 305 * {@hide} 306 */ 307public class PackageManagerService extends IPackageManager.Stub { 308 static final String TAG = "PackageManager"; 309 static final boolean DEBUG_SETTINGS = false; 310 static final boolean DEBUG_PREFERRED = false; 311 static final boolean DEBUG_UPGRADE = false; 312 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 313 private static final boolean DEBUG_BACKUP = false; 314 private static final boolean DEBUG_INSTALL = false; 315 private static final boolean DEBUG_REMOVE = false; 316 private static final boolean DEBUG_BROADCASTS = false; 317 private static final boolean DEBUG_SHOW_INFO = false; 318 private static final boolean DEBUG_PACKAGE_INFO = false; 319 private static final boolean DEBUG_INTENT_MATCHING = false; 320 private static final boolean DEBUG_PACKAGE_SCANNING = false; 321 private static final boolean DEBUG_VERIFY = false; 322 323 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 324 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 325 // user, but by default initialize to this. 326 static final boolean DEBUG_DEXOPT = false; 327 328 private static final boolean DEBUG_ABI_SELECTION = false; 329 private static final boolean DEBUG_EPHEMERAL = false; 330 private static final boolean DEBUG_TRIAGED_MISSING = false; 331 private static final boolean DEBUG_APP_DATA = false; 332 333 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 334 335 private static final boolean DISABLE_EPHEMERAL_APPS = true; 336 337 private static final int RADIO_UID = Process.PHONE_UID; 338 private static final int LOG_UID = Process.LOG_UID; 339 private static final int NFC_UID = Process.NFC_UID; 340 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 341 private static final int SHELL_UID = Process.SHELL_UID; 342 343 // Cap the size of permission trees that 3rd party apps can define 344 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 345 346 // Suffix used during package installation when copying/moving 347 // package apks to install directory. 348 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 349 350 static final int SCAN_NO_DEX = 1<<1; 351 static final int SCAN_FORCE_DEX = 1<<2; 352 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 353 static final int SCAN_NEW_INSTALL = 1<<4; 354 static final int SCAN_NO_PATHS = 1<<5; 355 static final int SCAN_UPDATE_TIME = 1<<6; 356 static final int SCAN_DEFER_DEX = 1<<7; 357 static final int SCAN_BOOTING = 1<<8; 358 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 359 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 360 static final int SCAN_REPLACING = 1<<11; 361 static final int SCAN_REQUIRE_KNOWN = 1<<12; 362 static final int SCAN_MOVE = 1<<13; 363 static final int SCAN_INITIAL = 1<<14; 364 static final int SCAN_CHECK_ONLY = 1<<15; 365 static final int SCAN_DONT_KILL_APP = 1<<17; 366 367 static final int REMOVE_CHATTY = 1<<16; 368 369 private static final int[] EMPTY_INT_ARRAY = new int[0]; 370 371 /** 372 * Timeout (in milliseconds) after which the watchdog should declare that 373 * our handler thread is wedged. The usual default for such things is one 374 * minute but we sometimes do very lengthy I/O operations on this thread, 375 * such as installing multi-gigabyte applications, so ours needs to be longer. 376 */ 377 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 378 379 /** 380 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 381 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 382 * settings entry if available, otherwise we use the hardcoded default. If it's been 383 * more than this long since the last fstrim, we force one during the boot sequence. 384 * 385 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 386 * one gets run at the next available charging+idle time. This final mandatory 387 * no-fstrim check kicks in only of the other scheduling criteria is never met. 388 */ 389 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 390 391 /** 392 * Whether verification is enabled by default. 393 */ 394 private static final boolean DEFAULT_VERIFY_ENABLE = true; 395 396 /** 397 * The default maximum time to wait for the verification agent to return in 398 * milliseconds. 399 */ 400 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 401 402 /** 403 * The default response for package verification timeout. 404 * 405 * This can be either PackageManager.VERIFICATION_ALLOW or 406 * PackageManager.VERIFICATION_REJECT. 407 */ 408 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 409 410 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 411 412 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 413 DEFAULT_CONTAINER_PACKAGE, 414 "com.android.defcontainer.DefaultContainerService"); 415 416 private static final String KILL_APP_REASON_GIDS_CHANGED = 417 "permission grant or revoke changed gids"; 418 419 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 420 "permissions revoked"; 421 422 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 423 424 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 425 426 /** Permission grant: not grant the permission. */ 427 private static final int GRANT_DENIED = 1; 428 429 /** Permission grant: grant the permission as an install permission. */ 430 private static final int GRANT_INSTALL = 2; 431 432 /** Permission grant: grant the permission as a runtime one. */ 433 private static final int GRANT_RUNTIME = 3; 434 435 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 436 private static final int GRANT_UPGRADE = 4; 437 438 /** Canonical intent used to identify what counts as a "web browser" app */ 439 private static final Intent sBrowserIntent; 440 static { 441 sBrowserIntent = new Intent(); 442 sBrowserIntent.setAction(Intent.ACTION_VIEW); 443 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 444 sBrowserIntent.setData(Uri.parse("http:")); 445 } 446 447 // Compilation reasons. 448 public static final int REASON_FIRST_BOOT = 0; 449 public static final int REASON_BOOT = 1; 450 public static final int REASON_INSTALL = 2; 451 public static final int REASON_BACKGROUND_DEXOPT = 3; 452 public static final int REASON_AB_OTA = 4; 453 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 454 public static final int REASON_SHARED_APK = 6; 455 public static final int REASON_FORCED_DEXOPT = 7; 456 457 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 458 459 final ServiceThread mHandlerThread; 460 461 final PackageHandler mHandler; 462 463 private final ProcessLoggingHandler mProcessLoggingHandler; 464 465 /** 466 * Messages for {@link #mHandler} that need to wait for system ready before 467 * being dispatched. 468 */ 469 private ArrayList<Message> mPostSystemReadyMessages; 470 471 final int mSdkVersion = Build.VERSION.SDK_INT; 472 473 final Context mContext; 474 final boolean mFactoryTest; 475 final boolean mOnlyCore; 476 final DisplayMetrics mMetrics; 477 final int mDefParseFlags; 478 final String[] mSeparateProcesses; 479 final boolean mIsUpgrade; 480 final boolean mIsPreNUpgrade; 481 482 /** The location for ASEC container files on internal storage. */ 483 final String mAsecInternalPath; 484 485 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 486 // LOCK HELD. Can be called with mInstallLock held. 487 @GuardedBy("mInstallLock") 488 final Installer mInstaller; 489 490 /** Directory where installed third-party apps stored */ 491 final File mAppInstallDir; 492 final File mEphemeralInstallDir; 493 494 /** 495 * Directory to which applications installed internally have their 496 * 32 bit native libraries copied. 497 */ 498 private File mAppLib32InstallDir; 499 500 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 501 // apps. 502 final File mDrmAppPrivateInstallDir; 503 504 // ---------------------------------------------------------------- 505 506 // Lock for state used when installing and doing other long running 507 // operations. Methods that must be called with this lock held have 508 // the suffix "LI". 509 final Object mInstallLock = new Object(); 510 511 // ---------------------------------------------------------------- 512 513 // Keys are String (package name), values are Package. This also serves 514 // as the lock for the global state. Methods that must be called with 515 // this lock held have the prefix "LP". 516 @GuardedBy("mPackages") 517 final ArrayMap<String, PackageParser.Package> mPackages = 518 new ArrayMap<String, PackageParser.Package>(); 519 520 final ArrayMap<String, Set<String>> mKnownCodebase = 521 new ArrayMap<String, Set<String>>(); 522 523 // Tracks available target package names -> overlay package paths. 524 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 525 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 526 527 /** 528 * Tracks new system packages [received in an OTA] that we expect to 529 * find updated user-installed versions. Keys are package name, values 530 * are package location. 531 */ 532 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 533 534 /** 535 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 536 */ 537 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 538 /** 539 * Whether or not system app permissions should be promoted from install to runtime. 540 */ 541 boolean mPromoteSystemApps; 542 543 final Settings mSettings; 544 boolean mRestoredSettings; 545 546 // System configuration read by SystemConfig. 547 final int[] mGlobalGids; 548 final SparseArray<ArraySet<String>> mSystemPermissions; 549 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 550 551 // If mac_permissions.xml was found for seinfo labeling. 552 boolean mFoundPolicyFile; 553 554 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 555 556 public static final class SharedLibraryEntry { 557 public final String path; 558 public final String apk; 559 560 SharedLibraryEntry(String _path, String _apk) { 561 path = _path; 562 apk = _apk; 563 } 564 } 565 566 // Currently known shared libraries. 567 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 568 new ArrayMap<String, SharedLibraryEntry>(); 569 570 // All available activities, for your resolving pleasure. 571 final ActivityIntentResolver mActivities = 572 new ActivityIntentResolver(); 573 574 // All available receivers, for your resolving pleasure. 575 final ActivityIntentResolver mReceivers = 576 new ActivityIntentResolver(); 577 578 // All available services, for your resolving pleasure. 579 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 580 581 // All available providers, for your resolving pleasure. 582 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 583 584 // Mapping from provider base names (first directory in content URI codePath) 585 // to the provider information. 586 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 587 new ArrayMap<String, PackageParser.Provider>(); 588 589 // Mapping from instrumentation class names to info about them. 590 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 591 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 592 593 // Mapping from permission names to info about them. 594 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 595 new ArrayMap<String, PackageParser.PermissionGroup>(); 596 597 // Packages whose data we have transfered into another package, thus 598 // should no longer exist. 599 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 600 601 // Broadcast actions that are only available to the system. 602 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 603 604 /** List of packages waiting for verification. */ 605 final SparseArray<PackageVerificationState> mPendingVerification 606 = new SparseArray<PackageVerificationState>(); 607 608 /** Set of packages associated with each app op permission. */ 609 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 610 611 final PackageInstallerService mInstallerService; 612 613 private final PackageDexOptimizer mPackageDexOptimizer; 614 615 private AtomicInteger mNextMoveId = new AtomicInteger(); 616 private final MoveCallbacks mMoveCallbacks; 617 618 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 619 620 // Cache of users who need badging. 621 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 622 623 /** Token for keys in mPendingVerification. */ 624 private int mPendingVerificationToken = 0; 625 626 volatile boolean mSystemReady; 627 volatile boolean mSafeMode; 628 volatile boolean mHasSystemUidErrors; 629 630 ApplicationInfo mAndroidApplication; 631 final ActivityInfo mResolveActivity = new ActivityInfo(); 632 final ResolveInfo mResolveInfo = new ResolveInfo(); 633 ComponentName mResolveComponentName; 634 PackageParser.Package mPlatformPackage; 635 ComponentName mCustomResolverComponentName; 636 637 boolean mResolverReplaced = false; 638 639 private final @Nullable ComponentName mIntentFilterVerifierComponent; 640 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 641 642 private int mIntentFilterVerificationToken = 0; 643 644 /** Component that knows whether or not an ephemeral application exists */ 645 final ComponentName mEphemeralResolverComponent; 646 /** The service connection to the ephemeral resolver */ 647 final EphemeralResolverConnection mEphemeralResolverConnection; 648 649 /** Component used to install ephemeral applications */ 650 final ComponentName mEphemeralInstallerComponent; 651 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 652 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 653 654 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 655 = new SparseArray<IntentFilterVerificationState>(); 656 657 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 658 new DefaultPermissionGrantPolicy(this); 659 660 // List of packages names to keep cached, even if they are uninstalled for all users 661 private List<String> mKeepUninstalledPackages; 662 663 private static class IFVerificationParams { 664 PackageParser.Package pkg; 665 boolean replacing; 666 int userId; 667 int verifierUid; 668 669 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 670 int _userId, int _verifierUid) { 671 pkg = _pkg; 672 replacing = _replacing; 673 userId = _userId; 674 replacing = _replacing; 675 verifierUid = _verifierUid; 676 } 677 } 678 679 private interface IntentFilterVerifier<T extends IntentFilter> { 680 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 681 T filter, String packageName); 682 void startVerifications(int userId); 683 void receiveVerificationResponse(int verificationId); 684 } 685 686 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 687 private Context mContext; 688 private ComponentName mIntentFilterVerifierComponent; 689 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 690 691 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 692 mContext = context; 693 mIntentFilterVerifierComponent = verifierComponent; 694 } 695 696 private String getDefaultScheme() { 697 return IntentFilter.SCHEME_HTTPS; 698 } 699 700 @Override 701 public void startVerifications(int userId) { 702 // Launch verifications requests 703 int count = mCurrentIntentFilterVerifications.size(); 704 for (int n=0; n<count; n++) { 705 int verificationId = mCurrentIntentFilterVerifications.get(n); 706 final IntentFilterVerificationState ivs = 707 mIntentFilterVerificationStates.get(verificationId); 708 709 String packageName = ivs.getPackageName(); 710 711 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 712 final int filterCount = filters.size(); 713 ArraySet<String> domainsSet = new ArraySet<>(); 714 for (int m=0; m<filterCount; m++) { 715 PackageParser.ActivityIntentInfo filter = filters.get(m); 716 domainsSet.addAll(filter.getHostsList()); 717 } 718 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 719 synchronized (mPackages) { 720 if (mSettings.createIntentFilterVerificationIfNeededLPw( 721 packageName, domainsList) != null) { 722 scheduleWriteSettingsLocked(); 723 } 724 } 725 sendVerificationRequest(userId, verificationId, ivs); 726 } 727 mCurrentIntentFilterVerifications.clear(); 728 } 729 730 private void sendVerificationRequest(int userId, int verificationId, 731 IntentFilterVerificationState ivs) { 732 733 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 734 verificationIntent.putExtra( 735 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 736 verificationId); 737 verificationIntent.putExtra( 738 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 739 getDefaultScheme()); 740 verificationIntent.putExtra( 741 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 742 ivs.getHostsString()); 743 verificationIntent.putExtra( 744 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 745 ivs.getPackageName()); 746 verificationIntent.setComponent(mIntentFilterVerifierComponent); 747 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 748 749 UserHandle user = new UserHandle(userId); 750 mContext.sendBroadcastAsUser(verificationIntent, user); 751 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 752 "Sending IntentFilter verification broadcast"); 753 } 754 755 public void receiveVerificationResponse(int verificationId) { 756 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 757 758 final boolean verified = ivs.isVerified(); 759 760 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 761 final int count = filters.size(); 762 if (DEBUG_DOMAIN_VERIFICATION) { 763 Slog.i(TAG, "Received verification response " + verificationId 764 + " for " + count + " filters, verified=" + verified); 765 } 766 for (int n=0; n<count; n++) { 767 PackageParser.ActivityIntentInfo filter = filters.get(n); 768 filter.setVerified(verified); 769 770 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 771 + " verified with result:" + verified + " and hosts:" 772 + ivs.getHostsString()); 773 } 774 775 mIntentFilterVerificationStates.remove(verificationId); 776 777 final String packageName = ivs.getPackageName(); 778 IntentFilterVerificationInfo ivi = null; 779 780 synchronized (mPackages) { 781 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 782 } 783 if (ivi == null) { 784 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 785 + verificationId + " packageName:" + packageName); 786 return; 787 } 788 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 789 "Updating IntentFilterVerificationInfo for package " + packageName 790 +" verificationId:" + verificationId); 791 792 synchronized (mPackages) { 793 if (verified) { 794 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 795 } else { 796 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 797 } 798 scheduleWriteSettingsLocked(); 799 800 final int userId = ivs.getUserId(); 801 if (userId != UserHandle.USER_ALL) { 802 final int userStatus = 803 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 804 805 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 806 boolean needUpdate = false; 807 808 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 809 // already been set by the User thru the Disambiguation dialog 810 switch (userStatus) { 811 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 812 if (verified) { 813 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 814 } else { 815 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 816 } 817 needUpdate = true; 818 break; 819 820 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 821 if (verified) { 822 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 823 needUpdate = true; 824 } 825 break; 826 827 default: 828 // Nothing to do 829 } 830 831 if (needUpdate) { 832 mSettings.updateIntentFilterVerificationStatusLPw( 833 packageName, updatedStatus, userId); 834 scheduleWritePackageRestrictionsLocked(userId); 835 } 836 } 837 } 838 } 839 840 @Override 841 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 842 ActivityIntentInfo filter, String packageName) { 843 if (!hasValidDomains(filter)) { 844 return false; 845 } 846 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 847 if (ivs == null) { 848 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 849 packageName); 850 } 851 if (DEBUG_DOMAIN_VERIFICATION) { 852 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 853 } 854 ivs.addFilter(filter); 855 return true; 856 } 857 858 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 859 int userId, int verificationId, String packageName) { 860 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 861 verifierUid, userId, packageName); 862 ivs.setPendingState(); 863 synchronized (mPackages) { 864 mIntentFilterVerificationStates.append(verificationId, ivs); 865 mCurrentIntentFilterVerifications.add(verificationId); 866 } 867 return ivs; 868 } 869 } 870 871 private static boolean hasValidDomains(ActivityIntentInfo filter) { 872 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 873 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 874 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 875 } 876 877 // Set of pending broadcasts for aggregating enable/disable of components. 878 static class PendingPackageBroadcasts { 879 // for each user id, a map of <package name -> components within that package> 880 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 881 882 public PendingPackageBroadcasts() { 883 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 884 } 885 886 public ArrayList<String> get(int userId, String packageName) { 887 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 888 return packages.get(packageName); 889 } 890 891 public void put(int userId, String packageName, ArrayList<String> components) { 892 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 893 packages.put(packageName, components); 894 } 895 896 public void remove(int userId, String packageName) { 897 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 898 if (packages != null) { 899 packages.remove(packageName); 900 } 901 } 902 903 public void remove(int userId) { 904 mUidMap.remove(userId); 905 } 906 907 public int userIdCount() { 908 return mUidMap.size(); 909 } 910 911 public int userIdAt(int n) { 912 return mUidMap.keyAt(n); 913 } 914 915 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 916 return mUidMap.get(userId); 917 } 918 919 public int size() { 920 // total number of pending broadcast entries across all userIds 921 int num = 0; 922 for (int i = 0; i< mUidMap.size(); i++) { 923 num += mUidMap.valueAt(i).size(); 924 } 925 return num; 926 } 927 928 public void clear() { 929 mUidMap.clear(); 930 } 931 932 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 933 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 934 if (map == null) { 935 map = new ArrayMap<String, ArrayList<String>>(); 936 mUidMap.put(userId, map); 937 } 938 return map; 939 } 940 } 941 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 942 943 // Service Connection to remote media container service to copy 944 // package uri's from external media onto secure containers 945 // or internal storage. 946 private IMediaContainerService mContainerService = null; 947 948 static final int SEND_PENDING_BROADCAST = 1; 949 static final int MCS_BOUND = 3; 950 static final int END_COPY = 4; 951 static final int INIT_COPY = 5; 952 static final int MCS_UNBIND = 6; 953 static final int START_CLEANING_PACKAGE = 7; 954 static final int FIND_INSTALL_LOC = 8; 955 static final int POST_INSTALL = 9; 956 static final int MCS_RECONNECT = 10; 957 static final int MCS_GIVE_UP = 11; 958 static final int UPDATED_MEDIA_STATUS = 12; 959 static final int WRITE_SETTINGS = 13; 960 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 961 static final int PACKAGE_VERIFIED = 15; 962 static final int CHECK_PENDING_VERIFICATION = 16; 963 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 964 static final int INTENT_FILTER_VERIFIED = 18; 965 966 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 967 968 // Delay time in millisecs 969 static final int BROADCAST_DELAY = 10 * 1000; 970 971 static UserManagerService sUserManager; 972 973 // Stores a list of users whose package restrictions file needs to be updated 974 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 975 976 final private DefaultContainerConnection mDefContainerConn = 977 new DefaultContainerConnection(); 978 class DefaultContainerConnection implements ServiceConnection { 979 public void onServiceConnected(ComponentName name, IBinder service) { 980 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 981 IMediaContainerService imcs = 982 IMediaContainerService.Stub.asInterface(service); 983 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 984 } 985 986 public void onServiceDisconnected(ComponentName name) { 987 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 988 } 989 } 990 991 // Recordkeeping of restore-after-install operations that are currently in flight 992 // between the Package Manager and the Backup Manager 993 static class PostInstallData { 994 public InstallArgs args; 995 public PackageInstalledInfo res; 996 997 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 998 args = _a; 999 res = _r; 1000 } 1001 } 1002 1003 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1004 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1005 1006 // XML tags for backup/restore of various bits of state 1007 private static final String TAG_PREFERRED_BACKUP = "pa"; 1008 private static final String TAG_DEFAULT_APPS = "da"; 1009 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1010 1011 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1012 private static final String TAG_ALL_GRANTS = "rt-grants"; 1013 private static final String TAG_GRANT = "grant"; 1014 private static final String ATTR_PACKAGE_NAME = "pkg"; 1015 1016 private static final String TAG_PERMISSION = "perm"; 1017 private static final String ATTR_PERMISSION_NAME = "name"; 1018 private static final String ATTR_IS_GRANTED = "g"; 1019 private static final String ATTR_USER_SET = "set"; 1020 private static final String ATTR_USER_FIXED = "fixed"; 1021 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1022 1023 // System/policy permission grants are not backed up 1024 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1025 FLAG_PERMISSION_POLICY_FIXED 1026 | FLAG_PERMISSION_SYSTEM_FIXED 1027 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1028 1029 // And we back up these user-adjusted states 1030 private static final int USER_RUNTIME_GRANT_MASK = 1031 FLAG_PERMISSION_USER_SET 1032 | FLAG_PERMISSION_USER_FIXED 1033 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1034 1035 final @Nullable String mRequiredVerifierPackage; 1036 final @Nullable String mRequiredInstallerPackage; 1037 1038 private final PackageUsage mPackageUsage = new PackageUsage(); 1039 1040 private class PackageUsage { 1041 private static final int WRITE_INTERVAL 1042 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1043 1044 private final Object mFileLock = new Object(); 1045 private final AtomicLong mLastWritten = new AtomicLong(0); 1046 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1047 1048 private boolean mIsHistoricalPackageUsageAvailable = true; 1049 1050 boolean isHistoricalPackageUsageAvailable() { 1051 return mIsHistoricalPackageUsageAvailable; 1052 } 1053 1054 void write(boolean force) { 1055 if (force) { 1056 writeInternal(); 1057 return; 1058 } 1059 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1060 && !DEBUG_DEXOPT) { 1061 return; 1062 } 1063 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1064 new Thread("PackageUsage_DiskWriter") { 1065 @Override 1066 public void run() { 1067 try { 1068 writeInternal(); 1069 } finally { 1070 mBackgroundWriteRunning.set(false); 1071 } 1072 } 1073 }.start(); 1074 } 1075 } 1076 1077 private void writeInternal() { 1078 synchronized (mPackages) { 1079 synchronized (mFileLock) { 1080 AtomicFile file = getFile(); 1081 FileOutputStream f = null; 1082 try { 1083 f = file.startWrite(); 1084 BufferedOutputStream out = new BufferedOutputStream(f); 1085 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1086 StringBuilder sb = new StringBuilder(); 1087 for (PackageParser.Package pkg : mPackages.values()) { 1088 if (pkg.mLastPackageUsageTimeInMills == 0) { 1089 continue; 1090 } 1091 sb.setLength(0); 1092 sb.append(pkg.packageName); 1093 sb.append(' '); 1094 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1095 sb.append('\n'); 1096 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1097 } 1098 out.flush(); 1099 file.finishWrite(f); 1100 } catch (IOException e) { 1101 if (f != null) { 1102 file.failWrite(f); 1103 } 1104 Log.e(TAG, "Failed to write package usage times", e); 1105 } 1106 } 1107 } 1108 mLastWritten.set(SystemClock.elapsedRealtime()); 1109 } 1110 1111 void readLP() { 1112 synchronized (mFileLock) { 1113 AtomicFile file = getFile(); 1114 BufferedInputStream in = null; 1115 try { 1116 in = new BufferedInputStream(file.openRead()); 1117 StringBuffer sb = new StringBuffer(); 1118 while (true) { 1119 String packageName = readToken(in, sb, ' '); 1120 if (packageName == null) { 1121 break; 1122 } 1123 String timeInMillisString = readToken(in, sb, '\n'); 1124 if (timeInMillisString == null) { 1125 throw new IOException("Failed to find last usage time for package " 1126 + packageName); 1127 } 1128 PackageParser.Package pkg = mPackages.get(packageName); 1129 if (pkg == null) { 1130 continue; 1131 } 1132 long timeInMillis; 1133 try { 1134 timeInMillis = Long.parseLong(timeInMillisString); 1135 } catch (NumberFormatException e) { 1136 throw new IOException("Failed to parse " + timeInMillisString 1137 + " as a long.", e); 1138 } 1139 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1140 } 1141 } catch (FileNotFoundException expected) { 1142 mIsHistoricalPackageUsageAvailable = false; 1143 } catch (IOException e) { 1144 Log.w(TAG, "Failed to read package usage times", e); 1145 } finally { 1146 IoUtils.closeQuietly(in); 1147 } 1148 } 1149 mLastWritten.set(SystemClock.elapsedRealtime()); 1150 } 1151 1152 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1153 throws IOException { 1154 sb.setLength(0); 1155 while (true) { 1156 int ch = in.read(); 1157 if (ch == -1) { 1158 if (sb.length() == 0) { 1159 return null; 1160 } 1161 throw new IOException("Unexpected EOF"); 1162 } 1163 if (ch == endOfToken) { 1164 return sb.toString(); 1165 } 1166 sb.append((char)ch); 1167 } 1168 } 1169 1170 private AtomicFile getFile() { 1171 File dataDir = Environment.getDataDirectory(); 1172 File systemDir = new File(dataDir, "system"); 1173 File fname = new File(systemDir, "package-usage.list"); 1174 return new AtomicFile(fname); 1175 } 1176 } 1177 1178 class PackageHandler extends Handler { 1179 private boolean mBound = false; 1180 final ArrayList<HandlerParams> mPendingInstalls = 1181 new ArrayList<HandlerParams>(); 1182 1183 private boolean connectToService() { 1184 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1185 " DefaultContainerService"); 1186 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1187 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1188 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1189 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1190 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1191 mBound = true; 1192 return true; 1193 } 1194 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1195 return false; 1196 } 1197 1198 private void disconnectService() { 1199 mContainerService = null; 1200 mBound = false; 1201 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1202 mContext.unbindService(mDefContainerConn); 1203 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1204 } 1205 1206 PackageHandler(Looper looper) { 1207 super(looper); 1208 } 1209 1210 public void handleMessage(Message msg) { 1211 try { 1212 doHandleMessage(msg); 1213 } finally { 1214 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1215 } 1216 } 1217 1218 void doHandleMessage(Message msg) { 1219 switch (msg.what) { 1220 case INIT_COPY: { 1221 HandlerParams params = (HandlerParams) msg.obj; 1222 int idx = mPendingInstalls.size(); 1223 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1224 // If a bind was already initiated we dont really 1225 // need to do anything. The pending install 1226 // will be processed later on. 1227 if (!mBound) { 1228 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1229 System.identityHashCode(mHandler)); 1230 // If this is the only one pending we might 1231 // have to bind to the service again. 1232 if (!connectToService()) { 1233 Slog.e(TAG, "Failed to bind to media container service"); 1234 params.serviceError(); 1235 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1236 System.identityHashCode(mHandler)); 1237 if (params.traceMethod != null) { 1238 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1239 params.traceCookie); 1240 } 1241 return; 1242 } else { 1243 // Once we bind to the service, the first 1244 // pending request will be processed. 1245 mPendingInstalls.add(idx, params); 1246 } 1247 } else { 1248 mPendingInstalls.add(idx, params); 1249 // Already bound to the service. Just make 1250 // sure we trigger off processing the first request. 1251 if (idx == 0) { 1252 mHandler.sendEmptyMessage(MCS_BOUND); 1253 } 1254 } 1255 break; 1256 } 1257 case MCS_BOUND: { 1258 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1259 if (msg.obj != null) { 1260 mContainerService = (IMediaContainerService) msg.obj; 1261 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1262 System.identityHashCode(mHandler)); 1263 } 1264 if (mContainerService == null) { 1265 if (!mBound) { 1266 // Something seriously wrong since we are not bound and we are not 1267 // waiting for connection. Bail out. 1268 Slog.e(TAG, "Cannot bind to media container service"); 1269 for (HandlerParams params : mPendingInstalls) { 1270 // Indicate service bind error 1271 params.serviceError(); 1272 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1273 System.identityHashCode(params)); 1274 if (params.traceMethod != null) { 1275 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1276 params.traceMethod, params.traceCookie); 1277 } 1278 return; 1279 } 1280 mPendingInstalls.clear(); 1281 } else { 1282 Slog.w(TAG, "Waiting to connect to media container service"); 1283 } 1284 } else if (mPendingInstalls.size() > 0) { 1285 HandlerParams params = mPendingInstalls.get(0); 1286 if (params != null) { 1287 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1288 System.identityHashCode(params)); 1289 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1290 if (params.startCopy()) { 1291 // We are done... look for more work or to 1292 // go idle. 1293 if (DEBUG_SD_INSTALL) Log.i(TAG, 1294 "Checking for more work or unbind..."); 1295 // Delete pending install 1296 if (mPendingInstalls.size() > 0) { 1297 mPendingInstalls.remove(0); 1298 } 1299 if (mPendingInstalls.size() == 0) { 1300 if (mBound) { 1301 if (DEBUG_SD_INSTALL) Log.i(TAG, 1302 "Posting delayed MCS_UNBIND"); 1303 removeMessages(MCS_UNBIND); 1304 Message ubmsg = obtainMessage(MCS_UNBIND); 1305 // Unbind after a little delay, to avoid 1306 // continual thrashing. 1307 sendMessageDelayed(ubmsg, 10000); 1308 } 1309 } else { 1310 // There are more pending requests in queue. 1311 // Just post MCS_BOUND message to trigger processing 1312 // of next pending install. 1313 if (DEBUG_SD_INSTALL) Log.i(TAG, 1314 "Posting MCS_BOUND for next work"); 1315 mHandler.sendEmptyMessage(MCS_BOUND); 1316 } 1317 } 1318 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1319 } 1320 } else { 1321 // Should never happen ideally. 1322 Slog.w(TAG, "Empty queue"); 1323 } 1324 break; 1325 } 1326 case MCS_RECONNECT: { 1327 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1328 if (mPendingInstalls.size() > 0) { 1329 if (mBound) { 1330 disconnectService(); 1331 } 1332 if (!connectToService()) { 1333 Slog.e(TAG, "Failed to bind to media container service"); 1334 for (HandlerParams params : mPendingInstalls) { 1335 // Indicate service bind error 1336 params.serviceError(); 1337 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1338 System.identityHashCode(params)); 1339 } 1340 mPendingInstalls.clear(); 1341 } 1342 } 1343 break; 1344 } 1345 case MCS_UNBIND: { 1346 // If there is no actual work left, then time to unbind. 1347 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1348 1349 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1350 if (mBound) { 1351 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1352 1353 disconnectService(); 1354 } 1355 } else if (mPendingInstalls.size() > 0) { 1356 // There are more pending requests in queue. 1357 // Just post MCS_BOUND message to trigger processing 1358 // of next pending install. 1359 mHandler.sendEmptyMessage(MCS_BOUND); 1360 } 1361 1362 break; 1363 } 1364 case MCS_GIVE_UP: { 1365 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1366 HandlerParams params = mPendingInstalls.remove(0); 1367 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1368 System.identityHashCode(params)); 1369 break; 1370 } 1371 case SEND_PENDING_BROADCAST: { 1372 String packages[]; 1373 ArrayList<String> components[]; 1374 int size = 0; 1375 int uids[]; 1376 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1377 synchronized (mPackages) { 1378 if (mPendingBroadcasts == null) { 1379 return; 1380 } 1381 size = mPendingBroadcasts.size(); 1382 if (size <= 0) { 1383 // Nothing to be done. Just return 1384 return; 1385 } 1386 packages = new String[size]; 1387 components = new ArrayList[size]; 1388 uids = new int[size]; 1389 int i = 0; // filling out the above arrays 1390 1391 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1392 int packageUserId = mPendingBroadcasts.userIdAt(n); 1393 Iterator<Map.Entry<String, ArrayList<String>>> it 1394 = mPendingBroadcasts.packagesForUserId(packageUserId) 1395 .entrySet().iterator(); 1396 while (it.hasNext() && i < size) { 1397 Map.Entry<String, ArrayList<String>> ent = it.next(); 1398 packages[i] = ent.getKey(); 1399 components[i] = ent.getValue(); 1400 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1401 uids[i] = (ps != null) 1402 ? UserHandle.getUid(packageUserId, ps.appId) 1403 : -1; 1404 i++; 1405 } 1406 } 1407 size = i; 1408 mPendingBroadcasts.clear(); 1409 } 1410 // Send broadcasts 1411 for (int i = 0; i < size; i++) { 1412 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1413 } 1414 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1415 break; 1416 } 1417 case START_CLEANING_PACKAGE: { 1418 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1419 final String packageName = (String)msg.obj; 1420 final int userId = msg.arg1; 1421 final boolean andCode = msg.arg2 != 0; 1422 synchronized (mPackages) { 1423 if (userId == UserHandle.USER_ALL) { 1424 int[] users = sUserManager.getUserIds(); 1425 for (int user : users) { 1426 mSettings.addPackageToCleanLPw( 1427 new PackageCleanItem(user, packageName, andCode)); 1428 } 1429 } else { 1430 mSettings.addPackageToCleanLPw( 1431 new PackageCleanItem(userId, packageName, andCode)); 1432 } 1433 } 1434 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1435 startCleaningPackages(); 1436 } break; 1437 case POST_INSTALL: { 1438 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1439 1440 PostInstallData data = mRunningInstalls.get(msg.arg1); 1441 mRunningInstalls.delete(msg.arg1); 1442 1443 if (data != null) { 1444 InstallArgs args = data.args; 1445 PackageInstalledInfo parentRes = data.res; 1446 1447 final boolean grantPermissions = (args.installFlags 1448 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1449 final boolean killApp = (args.installFlags 1450 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1451 final String[] grantedPermissions = args.installGrantPermissions; 1452 1453 // Handle the parent package 1454 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1455 grantedPermissions, args.observer); 1456 1457 // Handle the child packages 1458 final int childCount = (parentRes.addedChildPackages != null) 1459 ? parentRes.addedChildPackages.size() : 0; 1460 for (int i = 0; i < childCount; i++) { 1461 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1462 handlePackagePostInstall(childRes, grantPermissions, killApp, 1463 grantedPermissions, args.observer); 1464 } 1465 1466 // Log tracing if needed 1467 if (args.traceMethod != null) { 1468 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1469 args.traceCookie); 1470 } 1471 } else { 1472 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1473 } 1474 1475 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1476 } break; 1477 case UPDATED_MEDIA_STATUS: { 1478 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1479 boolean reportStatus = msg.arg1 == 1; 1480 boolean doGc = msg.arg2 == 1; 1481 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1482 if (doGc) { 1483 // Force a gc to clear up stale containers. 1484 Runtime.getRuntime().gc(); 1485 } 1486 if (msg.obj != null) { 1487 @SuppressWarnings("unchecked") 1488 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1489 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1490 // Unload containers 1491 unloadAllContainers(args); 1492 } 1493 if (reportStatus) { 1494 try { 1495 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1496 PackageHelper.getMountService().finishMediaUpdate(); 1497 } catch (RemoteException e) { 1498 Log.e(TAG, "MountService not running?"); 1499 } 1500 } 1501 } break; 1502 case WRITE_SETTINGS: { 1503 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1504 synchronized (mPackages) { 1505 removeMessages(WRITE_SETTINGS); 1506 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1507 mSettings.writeLPr(); 1508 mDirtyUsers.clear(); 1509 } 1510 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1511 } break; 1512 case WRITE_PACKAGE_RESTRICTIONS: { 1513 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1514 synchronized (mPackages) { 1515 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1516 for (int userId : mDirtyUsers) { 1517 mSettings.writePackageRestrictionsLPr(userId); 1518 } 1519 mDirtyUsers.clear(); 1520 } 1521 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1522 } break; 1523 case CHECK_PENDING_VERIFICATION: { 1524 final int verificationId = msg.arg1; 1525 final PackageVerificationState state = mPendingVerification.get(verificationId); 1526 1527 if ((state != null) && !state.timeoutExtended()) { 1528 final InstallArgs args = state.getInstallArgs(); 1529 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1530 1531 Slog.i(TAG, "Verification timed out for " + originUri); 1532 mPendingVerification.remove(verificationId); 1533 1534 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1535 1536 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1537 Slog.i(TAG, "Continuing with installation of " + originUri); 1538 state.setVerifierResponse(Binder.getCallingUid(), 1539 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1540 broadcastPackageVerified(verificationId, originUri, 1541 PackageManager.VERIFICATION_ALLOW, 1542 state.getInstallArgs().getUser()); 1543 try { 1544 ret = args.copyApk(mContainerService, true); 1545 } catch (RemoteException e) { 1546 Slog.e(TAG, "Could not contact the ContainerService"); 1547 } 1548 } else { 1549 broadcastPackageVerified(verificationId, originUri, 1550 PackageManager.VERIFICATION_REJECT, 1551 state.getInstallArgs().getUser()); 1552 } 1553 1554 Trace.asyncTraceEnd( 1555 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1556 1557 processPendingInstall(args, ret); 1558 mHandler.sendEmptyMessage(MCS_UNBIND); 1559 } 1560 break; 1561 } 1562 case PACKAGE_VERIFIED: { 1563 final int verificationId = msg.arg1; 1564 1565 final PackageVerificationState state = mPendingVerification.get(verificationId); 1566 if (state == null) { 1567 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1568 break; 1569 } 1570 1571 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1572 1573 state.setVerifierResponse(response.callerUid, response.code); 1574 1575 if (state.isVerificationComplete()) { 1576 mPendingVerification.remove(verificationId); 1577 1578 final InstallArgs args = state.getInstallArgs(); 1579 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1580 1581 int ret; 1582 if (state.isInstallAllowed()) { 1583 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1584 broadcastPackageVerified(verificationId, originUri, 1585 response.code, state.getInstallArgs().getUser()); 1586 try { 1587 ret = args.copyApk(mContainerService, true); 1588 } catch (RemoteException e) { 1589 Slog.e(TAG, "Could not contact the ContainerService"); 1590 } 1591 } else { 1592 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1593 } 1594 1595 Trace.asyncTraceEnd( 1596 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1597 1598 processPendingInstall(args, ret); 1599 mHandler.sendEmptyMessage(MCS_UNBIND); 1600 } 1601 1602 break; 1603 } 1604 case START_INTENT_FILTER_VERIFICATIONS: { 1605 IFVerificationParams params = (IFVerificationParams) msg.obj; 1606 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1607 params.replacing, params.pkg); 1608 break; 1609 } 1610 case INTENT_FILTER_VERIFIED: { 1611 final int verificationId = msg.arg1; 1612 1613 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1614 verificationId); 1615 if (state == null) { 1616 Slog.w(TAG, "Invalid IntentFilter verification token " 1617 + verificationId + " received"); 1618 break; 1619 } 1620 1621 final int userId = state.getUserId(); 1622 1623 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1624 "Processing IntentFilter verification with token:" 1625 + verificationId + " and userId:" + userId); 1626 1627 final IntentFilterVerificationResponse response = 1628 (IntentFilterVerificationResponse) msg.obj; 1629 1630 state.setVerifierResponse(response.callerUid, response.code); 1631 1632 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1633 "IntentFilter verification with token:" + verificationId 1634 + " and userId:" + userId 1635 + " is settings verifier response with response code:" 1636 + response.code); 1637 1638 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1639 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1640 + response.getFailedDomainsString()); 1641 } 1642 1643 if (state.isVerificationComplete()) { 1644 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1645 } else { 1646 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1647 "IntentFilter verification with token:" + verificationId 1648 + " was not said to be complete"); 1649 } 1650 1651 break; 1652 } 1653 } 1654 } 1655 } 1656 1657 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1658 boolean killApp, String[] grantedPermissions, 1659 IPackageInstallObserver2 installObserver) { 1660 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1661 // Send the removed broadcasts 1662 if (res.removedInfo != null) { 1663 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1664 } 1665 1666 // Now that we successfully installed the package, grant runtime 1667 // permissions if requested before broadcasting the install. 1668 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1669 >= Build.VERSION_CODES.M) { 1670 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1671 } 1672 1673 final boolean update = res.removedInfo != null 1674 && res.removedInfo.removedPackage != null; 1675 1676 // If this is the first time we have child packages for a disabled privileged 1677 // app that had no children, we grant requested runtime permissions to the new 1678 // children if the parent on the system image had them already granted. 1679 if (res.pkg.parentPackage != null) { 1680 synchronized (mPackages) { 1681 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1682 } 1683 } 1684 1685 synchronized (mPackages) { 1686 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1687 } 1688 1689 final String packageName = res.pkg.applicationInfo.packageName; 1690 Bundle extras = new Bundle(1); 1691 extras.putInt(Intent.EXTRA_UID, res.uid); 1692 1693 // Determine the set of users who are adding this package for 1694 // the first time vs. those who are seeing an update. 1695 int[] firstUsers = EMPTY_INT_ARRAY; 1696 int[] updateUsers = EMPTY_INT_ARRAY; 1697 if (res.origUsers == null || res.origUsers.length == 0) { 1698 firstUsers = res.newUsers; 1699 } else { 1700 for (int newUser : res.newUsers) { 1701 boolean isNew = true; 1702 for (int origUser : res.origUsers) { 1703 if (origUser == newUser) { 1704 isNew = false; 1705 break; 1706 } 1707 } 1708 if (isNew) { 1709 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1710 } else { 1711 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1712 } 1713 } 1714 } 1715 1716 // Send installed broadcasts if the install/update is not ephemeral 1717 if (!isEphemeral(res.pkg)) { 1718 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1719 1720 // Send added for users that see the package for the first time 1721 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1722 extras, 0 /*flags*/, null /*targetPackage*/, 1723 null /*finishedReceiver*/, firstUsers); 1724 1725 // Send added for users that don't see the package for the first time 1726 if (update) { 1727 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1728 } 1729 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1730 extras, 0 /*flags*/, null /*targetPackage*/, 1731 null /*finishedReceiver*/, updateUsers); 1732 1733 // Send replaced for users that don't see the package for the first time 1734 if (update) { 1735 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1736 packageName, extras, 0 /*flags*/, 1737 null /*targetPackage*/, null /*finishedReceiver*/, 1738 updateUsers); 1739 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1740 null /*package*/, null /*extras*/, 0 /*flags*/, 1741 packageName /*targetPackage*/, 1742 null /*finishedReceiver*/, updateUsers); 1743 } 1744 1745 // Send broadcast package appeared if forward locked/external for all users 1746 // treat asec-hosted packages like removable media on upgrade 1747 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1748 if (DEBUG_INSTALL) { 1749 Slog.i(TAG, "upgrading pkg " + res.pkg 1750 + " is ASEC-hosted -> AVAILABLE"); 1751 } 1752 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1753 ArrayList<String> pkgList = new ArrayList<>(1); 1754 pkgList.add(packageName); 1755 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1756 } 1757 } 1758 1759 // Work that needs to happen on first install within each user 1760 if (firstUsers != null && firstUsers.length > 0) { 1761 synchronized (mPackages) { 1762 for (int userId : firstUsers) { 1763 // If this app is a browser and it's newly-installed for some 1764 // users, clear any default-browser state in those users. The 1765 // app's nature doesn't depend on the user, so we can just check 1766 // its browser nature in any user and generalize. 1767 if (packageIsBrowser(packageName, userId)) { 1768 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1769 } 1770 1771 // We may also need to apply pending (restored) runtime 1772 // permission grants within these users. 1773 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1774 } 1775 } 1776 } 1777 1778 // Log current value of "unknown sources" setting 1779 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1780 getUnknownSourcesSettings()); 1781 1782 // Force a gc to clear up things 1783 Runtime.getRuntime().gc(); 1784 1785 // Remove the replaced package's older resources safely now 1786 // We delete after a gc for applications on sdcard. 1787 if (res.removedInfo != null && res.removedInfo.args != null) { 1788 synchronized (mInstallLock) { 1789 res.removedInfo.args.doPostDeleteLI(true); 1790 } 1791 } 1792 } 1793 1794 // If someone is watching installs - notify them 1795 if (installObserver != null) { 1796 try { 1797 Bundle extras = extrasForInstallResult(res); 1798 installObserver.onPackageInstalled(res.name, res.returnCode, 1799 res.returnMsg, extras); 1800 } catch (RemoteException e) { 1801 Slog.i(TAG, "Observer no longer exists."); 1802 } 1803 } 1804 } 1805 1806 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1807 PackageParser.Package pkg) { 1808 if (pkg.parentPackage == null) { 1809 return; 1810 } 1811 if (pkg.requestedPermissions == null) { 1812 return; 1813 } 1814 final PackageSetting disabledSysParentPs = mSettings 1815 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1816 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1817 || !disabledSysParentPs.isPrivileged() 1818 || (disabledSysParentPs.childPackageNames != null 1819 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1820 return; 1821 } 1822 final int[] allUserIds = sUserManager.getUserIds(); 1823 final int permCount = pkg.requestedPermissions.size(); 1824 for (int i = 0; i < permCount; i++) { 1825 String permission = pkg.requestedPermissions.get(i); 1826 BasePermission bp = mSettings.mPermissions.get(permission); 1827 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1828 continue; 1829 } 1830 for (int userId : allUserIds) { 1831 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1832 permission, userId)) { 1833 grantRuntimePermission(pkg.packageName, permission, userId); 1834 } 1835 } 1836 } 1837 } 1838 1839 private StorageEventListener mStorageListener = new StorageEventListener() { 1840 @Override 1841 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1842 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1843 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1844 final String volumeUuid = vol.getFsUuid(); 1845 1846 // Clean up any users or apps that were removed or recreated 1847 // while this volume was missing 1848 reconcileUsers(volumeUuid); 1849 reconcileApps(volumeUuid); 1850 1851 // Clean up any install sessions that expired or were 1852 // cancelled while this volume was missing 1853 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1854 1855 loadPrivatePackages(vol); 1856 1857 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1858 unloadPrivatePackages(vol); 1859 } 1860 } 1861 1862 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1863 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1864 updateExternalMediaStatus(true, false); 1865 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1866 updateExternalMediaStatus(false, false); 1867 } 1868 } 1869 } 1870 1871 @Override 1872 public void onVolumeForgotten(String fsUuid) { 1873 if (TextUtils.isEmpty(fsUuid)) { 1874 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1875 return; 1876 } 1877 1878 // Remove any apps installed on the forgotten volume 1879 synchronized (mPackages) { 1880 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1881 for (PackageSetting ps : packages) { 1882 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1883 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1884 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1885 } 1886 1887 mSettings.onVolumeForgotten(fsUuid); 1888 mSettings.writeLPr(); 1889 } 1890 } 1891 }; 1892 1893 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1894 String[] grantedPermissions) { 1895 for (int userId : userIds) { 1896 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1897 } 1898 1899 // We could have touched GID membership, so flush out packages.list 1900 synchronized (mPackages) { 1901 mSettings.writePackageListLPr(); 1902 } 1903 } 1904 1905 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1906 String[] grantedPermissions) { 1907 SettingBase sb = (SettingBase) pkg.mExtras; 1908 if (sb == null) { 1909 return; 1910 } 1911 1912 PermissionsState permissionsState = sb.getPermissionsState(); 1913 1914 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1915 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1916 1917 synchronized (mPackages) { 1918 for (String permission : pkg.requestedPermissions) { 1919 BasePermission bp = mSettings.mPermissions.get(permission); 1920 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1921 && (grantedPermissions == null 1922 || ArrayUtils.contains(grantedPermissions, permission))) { 1923 final int flags = permissionsState.getPermissionFlags(permission, userId); 1924 // Installer cannot change immutable permissions. 1925 if ((flags & immutableFlags) == 0) { 1926 grantRuntimePermission(pkg.packageName, permission, userId); 1927 } 1928 } 1929 } 1930 } 1931 } 1932 1933 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1934 Bundle extras = null; 1935 switch (res.returnCode) { 1936 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1937 extras = new Bundle(); 1938 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1939 res.origPermission); 1940 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1941 res.origPackage); 1942 break; 1943 } 1944 case PackageManager.INSTALL_SUCCEEDED: { 1945 extras = new Bundle(); 1946 extras.putBoolean(Intent.EXTRA_REPLACING, 1947 res.removedInfo != null && res.removedInfo.removedPackage != null); 1948 break; 1949 } 1950 } 1951 return extras; 1952 } 1953 1954 void scheduleWriteSettingsLocked() { 1955 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1956 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1957 } 1958 } 1959 1960 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1961 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1962 scheduleWritePackageRestrictionsLocked(userId); 1963 } 1964 1965 void scheduleWritePackageRestrictionsLocked(int userId) { 1966 final int[] userIds = (userId == UserHandle.USER_ALL) 1967 ? sUserManager.getUserIds() : new int[]{userId}; 1968 for (int nextUserId : userIds) { 1969 if (!sUserManager.exists(nextUserId)) return; 1970 mDirtyUsers.add(nextUserId); 1971 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1972 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1973 } 1974 } 1975 } 1976 1977 public static PackageManagerService main(Context context, Installer installer, 1978 boolean factoryTest, boolean onlyCore) { 1979 // Self-check for initial settings. 1980 PackageManagerServiceCompilerMapping.checkProperties(); 1981 1982 PackageManagerService m = new PackageManagerService(context, installer, 1983 factoryTest, onlyCore); 1984 m.enableSystemUserPackages(); 1985 ServiceManager.addService("package", m); 1986 return m; 1987 } 1988 1989 private void enableSystemUserPackages() { 1990 if (!UserManager.isSplitSystemUser()) { 1991 return; 1992 } 1993 // For system user, enable apps based on the following conditions: 1994 // - app is whitelisted or belong to one of these groups: 1995 // -- system app which has no launcher icons 1996 // -- system app which has INTERACT_ACROSS_USERS permission 1997 // -- system IME app 1998 // - app is not in the blacklist 1999 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2000 Set<String> enableApps = new ArraySet<>(); 2001 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2002 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2003 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2004 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2005 enableApps.addAll(wlApps); 2006 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2007 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2008 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2009 enableApps.removeAll(blApps); 2010 Log.i(TAG, "Applications installed for system user: " + enableApps); 2011 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2012 UserHandle.SYSTEM); 2013 final int allAppsSize = allAps.size(); 2014 synchronized (mPackages) { 2015 for (int i = 0; i < allAppsSize; i++) { 2016 String pName = allAps.get(i); 2017 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2018 // Should not happen, but we shouldn't be failing if it does 2019 if (pkgSetting == null) { 2020 continue; 2021 } 2022 boolean install = enableApps.contains(pName); 2023 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2024 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2025 + " for system user"); 2026 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2027 } 2028 } 2029 } 2030 } 2031 2032 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2033 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2034 Context.DISPLAY_SERVICE); 2035 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2036 } 2037 2038 public PackageManagerService(Context context, Installer installer, 2039 boolean factoryTest, boolean onlyCore) { 2040 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2041 SystemClock.uptimeMillis()); 2042 2043 if (mSdkVersion <= 0) { 2044 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2045 } 2046 2047 mContext = context; 2048 mFactoryTest = factoryTest; 2049 mOnlyCore = onlyCore; 2050 mMetrics = new DisplayMetrics(); 2051 mSettings = new Settings(mPackages); 2052 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2053 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2054 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2055 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2056 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2057 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2058 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2059 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2060 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2061 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2062 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2063 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2064 2065 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2066 if (separateProcesses != null && separateProcesses.length() > 0) { 2067 if ("*".equals(separateProcesses)) { 2068 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2069 mSeparateProcesses = null; 2070 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2071 } else { 2072 mDefParseFlags = 0; 2073 mSeparateProcesses = separateProcesses.split(","); 2074 Slog.w(TAG, "Running with debug.separate_processes: " 2075 + separateProcesses); 2076 } 2077 } else { 2078 mDefParseFlags = 0; 2079 mSeparateProcesses = null; 2080 } 2081 2082 mInstaller = installer; 2083 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2084 "*dexopt*"); 2085 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2086 2087 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2088 FgThread.get().getLooper()); 2089 2090 getDefaultDisplayMetrics(context, mMetrics); 2091 2092 SystemConfig systemConfig = SystemConfig.getInstance(); 2093 mGlobalGids = systemConfig.getGlobalGids(); 2094 mSystemPermissions = systemConfig.getSystemPermissions(); 2095 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2096 2097 synchronized (mInstallLock) { 2098 // writer 2099 synchronized (mPackages) { 2100 mHandlerThread = new ServiceThread(TAG, 2101 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2102 mHandlerThread.start(); 2103 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2104 mProcessLoggingHandler = new ProcessLoggingHandler(); 2105 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2106 2107 File dataDir = Environment.getDataDirectory(); 2108 mAppInstallDir = new File(dataDir, "app"); 2109 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2110 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2111 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2112 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2113 2114 sUserManager = new UserManagerService(context, this, mPackages); 2115 2116 // Propagate permission configuration in to package manager. 2117 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2118 = systemConfig.getPermissions(); 2119 for (int i=0; i<permConfig.size(); i++) { 2120 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2121 BasePermission bp = mSettings.mPermissions.get(perm.name); 2122 if (bp == null) { 2123 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2124 mSettings.mPermissions.put(perm.name, bp); 2125 } 2126 if (perm.gids != null) { 2127 bp.setGids(perm.gids, perm.perUser); 2128 } 2129 } 2130 2131 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2132 for (int i=0; i<libConfig.size(); i++) { 2133 mSharedLibraries.put(libConfig.keyAt(i), 2134 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2135 } 2136 2137 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2138 2139 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2140 2141 String customResolverActivity = Resources.getSystem().getString( 2142 R.string.config_customResolverActivity); 2143 if (TextUtils.isEmpty(customResolverActivity)) { 2144 customResolverActivity = null; 2145 } else { 2146 mCustomResolverComponentName = ComponentName.unflattenFromString( 2147 customResolverActivity); 2148 } 2149 2150 long startTime = SystemClock.uptimeMillis(); 2151 2152 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2153 startTime); 2154 2155 // Set flag to monitor and not change apk file paths when 2156 // scanning install directories. 2157 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2158 2159 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2160 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2161 2162 if (bootClassPath == null) { 2163 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2164 } 2165 2166 if (systemServerClassPath == null) { 2167 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2168 } 2169 2170 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2171 final String[] dexCodeInstructionSets = 2172 getDexCodeInstructionSets( 2173 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2174 2175 /** 2176 * Ensure all external libraries have had dexopt run on them. 2177 */ 2178 if (mSharedLibraries.size() > 0) { 2179 // NOTE: For now, we're compiling these system "shared libraries" 2180 // (and framework jars) into all available architectures. It's possible 2181 // to compile them only when we come across an app that uses them (there's 2182 // already logic for that in scanPackageLI) but that adds some complexity. 2183 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2184 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2185 final String lib = libEntry.path; 2186 if (lib == null) { 2187 continue; 2188 } 2189 2190 try { 2191 // Shared libraries do not have profiles so we perform a full 2192 // AOT compilation (if needed). 2193 int dexoptNeeded = DexFile.getDexOptNeeded( 2194 lib, dexCodeInstructionSet, 2195 getCompilerFilterForReason(REASON_SHARED_APK), 2196 false /* newProfile */); 2197 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2198 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2199 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2200 getCompilerFilterForReason(REASON_SHARED_APK), 2201 StorageManager.UUID_PRIVATE_INTERNAL); 2202 } 2203 } catch (FileNotFoundException e) { 2204 Slog.w(TAG, "Library not found: " + lib); 2205 } catch (IOException | InstallerException e) { 2206 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2207 + e.getMessage()); 2208 } 2209 } 2210 } 2211 } 2212 2213 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2214 2215 final VersionInfo ver = mSettings.getInternalVersion(); 2216 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2217 2218 // when upgrading from pre-M, promote system app permissions from install to runtime 2219 mPromoteSystemApps = 2220 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2221 2222 // save off the names of pre-existing system packages prior to scanning; we don't 2223 // want to automatically grant runtime permissions for new system apps 2224 if (mPromoteSystemApps) { 2225 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2226 while (pkgSettingIter.hasNext()) { 2227 PackageSetting ps = pkgSettingIter.next(); 2228 if (isSystemApp(ps)) { 2229 mExistingSystemPackages.add(ps.name); 2230 } 2231 } 2232 } 2233 2234 // When upgrading from pre-N, we need to handle package extraction like first boot, 2235 // as there is no profiling data available. 2236 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2237 mSettings.setNWorkDone(); 2238 2239 // Collect vendor overlay packages. 2240 // (Do this before scanning any apps.) 2241 // For security and version matching reason, only consider 2242 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2243 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2244 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2245 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2246 2247 // Find base frameworks (resource packages without code). 2248 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2249 | PackageParser.PARSE_IS_SYSTEM_DIR 2250 | PackageParser.PARSE_IS_PRIVILEGED, 2251 scanFlags | SCAN_NO_DEX, 0); 2252 2253 // Collected privileged system packages. 2254 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2255 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2256 | PackageParser.PARSE_IS_SYSTEM_DIR 2257 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2258 2259 // Collect ordinary system packages. 2260 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2261 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2262 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2263 2264 // Collect all vendor packages. 2265 File vendorAppDir = new File("/vendor/app"); 2266 try { 2267 vendorAppDir = vendorAppDir.getCanonicalFile(); 2268 } catch (IOException e) { 2269 // failed to look up canonical path, continue with original one 2270 } 2271 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2272 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2273 2274 // Collect all OEM packages. 2275 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2276 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2277 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2278 2279 // Prune any system packages that no longer exist. 2280 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2281 if (!mOnlyCore) { 2282 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2283 while (psit.hasNext()) { 2284 PackageSetting ps = psit.next(); 2285 2286 /* 2287 * If this is not a system app, it can't be a 2288 * disable system app. 2289 */ 2290 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2291 continue; 2292 } 2293 2294 /* 2295 * If the package is scanned, it's not erased. 2296 */ 2297 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2298 if (scannedPkg != null) { 2299 /* 2300 * If the system app is both scanned and in the 2301 * disabled packages list, then it must have been 2302 * added via OTA. Remove it from the currently 2303 * scanned package so the previously user-installed 2304 * application can be scanned. 2305 */ 2306 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2307 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2308 + ps.name + "; removing system app. Last known codePath=" 2309 + ps.codePathString + ", installStatus=" + ps.installStatus 2310 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2311 + scannedPkg.mVersionCode); 2312 removePackageLI(scannedPkg, true); 2313 mExpectingBetter.put(ps.name, ps.codePath); 2314 } 2315 2316 continue; 2317 } 2318 2319 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2320 psit.remove(); 2321 logCriticalInfo(Log.WARN, "System package " + ps.name 2322 + " no longer exists; wiping its data"); 2323 removeDataDirsLI(null, ps.name); 2324 } else { 2325 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2326 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2327 possiblyDeletedUpdatedSystemApps.add(ps.name); 2328 } 2329 } 2330 } 2331 } 2332 2333 //look for any incomplete package installations 2334 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2335 //clean up list 2336 for(int i = 0; i < deletePkgsList.size(); i++) { 2337 //clean up here 2338 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2339 } 2340 //delete tmp files 2341 deleteTempPackageFiles(); 2342 2343 // Remove any shared userIDs that have no associated packages 2344 mSettings.pruneSharedUsersLPw(); 2345 2346 if (!mOnlyCore) { 2347 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2348 SystemClock.uptimeMillis()); 2349 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2350 2351 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2352 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2353 2354 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2355 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2356 2357 /** 2358 * Remove disable package settings for any updated system 2359 * apps that were removed via an OTA. If they're not a 2360 * previously-updated app, remove them completely. 2361 * Otherwise, just revoke their system-level permissions. 2362 */ 2363 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2364 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2365 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2366 2367 String msg; 2368 if (deletedPkg == null) { 2369 msg = "Updated system package " + deletedAppName 2370 + " no longer exists; wiping its data"; 2371 removeDataDirsLI(null, deletedAppName); 2372 } else { 2373 msg = "Updated system app + " + deletedAppName 2374 + " no longer present; removing system privileges for " 2375 + deletedAppName; 2376 2377 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2378 2379 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2380 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2381 } 2382 logCriticalInfo(Log.WARN, msg); 2383 } 2384 2385 /** 2386 * Make sure all system apps that we expected to appear on 2387 * the userdata partition actually showed up. If they never 2388 * appeared, crawl back and revive the system version. 2389 */ 2390 for (int i = 0; i < mExpectingBetter.size(); i++) { 2391 final String packageName = mExpectingBetter.keyAt(i); 2392 if (!mPackages.containsKey(packageName)) { 2393 final File scanFile = mExpectingBetter.valueAt(i); 2394 2395 logCriticalInfo(Log.WARN, "Expected better " + packageName 2396 + " but never showed up; reverting to system"); 2397 2398 final int reparseFlags; 2399 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2400 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2401 | PackageParser.PARSE_IS_SYSTEM_DIR 2402 | PackageParser.PARSE_IS_PRIVILEGED; 2403 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2404 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2405 | PackageParser.PARSE_IS_SYSTEM_DIR; 2406 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2407 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2408 | PackageParser.PARSE_IS_SYSTEM_DIR; 2409 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2410 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2411 | PackageParser.PARSE_IS_SYSTEM_DIR; 2412 } else { 2413 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2414 continue; 2415 } 2416 2417 mSettings.enableSystemPackageLPw(packageName); 2418 2419 try { 2420 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2421 } catch (PackageManagerException e) { 2422 Slog.e(TAG, "Failed to parse original system package: " 2423 + e.getMessage()); 2424 } 2425 } 2426 } 2427 } 2428 mExpectingBetter.clear(); 2429 2430 // Now that we know all of the shared libraries, update all clients to have 2431 // the correct library paths. 2432 updateAllSharedLibrariesLPw(); 2433 2434 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2435 // NOTE: We ignore potential failures here during a system scan (like 2436 // the rest of the commands above) because there's precious little we 2437 // can do about it. A settings error is reported, though. 2438 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2439 false /* boot complete */); 2440 } 2441 2442 // Now that we know all the packages we are keeping, 2443 // read and update their last usage times. 2444 mPackageUsage.readLP(); 2445 2446 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2447 SystemClock.uptimeMillis()); 2448 Slog.i(TAG, "Time to scan packages: " 2449 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2450 + " seconds"); 2451 2452 // If the platform SDK has changed since the last time we booted, 2453 // we need to re-grant app permission to catch any new ones that 2454 // appear. This is really a hack, and means that apps can in some 2455 // cases get permissions that the user didn't initially explicitly 2456 // allow... it would be nice to have some better way to handle 2457 // this situation. 2458 int updateFlags = UPDATE_PERMISSIONS_ALL; 2459 if (ver.sdkVersion != mSdkVersion) { 2460 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2461 + mSdkVersion + "; regranting permissions for internal storage"); 2462 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2463 } 2464 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2465 ver.sdkVersion = mSdkVersion; 2466 2467 // If this is the first boot or an update from pre-M, and it is a normal 2468 // boot, then we need to initialize the default preferred apps across 2469 // all defined users. 2470 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2471 for (UserInfo user : sUserManager.getUsers(true)) { 2472 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2473 applyFactoryDefaultBrowserLPw(user.id); 2474 primeDomainVerificationsLPw(user.id); 2475 } 2476 } 2477 2478 // Prepare storage for system user really early during boot, 2479 // since core system apps like SettingsProvider and SystemUI 2480 // can't wait for user to start 2481 final int storageFlags; 2482 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2483 storageFlags = StorageManager.FLAG_STORAGE_DE; 2484 } else { 2485 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2486 } 2487 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2488 storageFlags); 2489 2490 // If this is first boot after an OTA, and a normal boot, then 2491 // we need to clear code cache directories. 2492 if (mIsUpgrade && !onlyCore) { 2493 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2494 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2495 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2496 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2497 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2498 } 2499 } 2500 ver.fingerprint = Build.FINGERPRINT; 2501 } 2502 2503 checkDefaultBrowser(); 2504 2505 // clear only after permissions and other defaults have been updated 2506 mExistingSystemPackages.clear(); 2507 mPromoteSystemApps = false; 2508 2509 // All the changes are done during package scanning. 2510 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2511 2512 // can downgrade to reader 2513 mSettings.writeLPr(); 2514 2515 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2516 SystemClock.uptimeMillis()); 2517 2518 if (!mOnlyCore) { 2519 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2520 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2521 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2522 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2523 mIntentFilterVerifierComponent); 2524 } else { 2525 mRequiredVerifierPackage = null; 2526 mRequiredInstallerPackage = null; 2527 mIntentFilterVerifierComponent = null; 2528 mIntentFilterVerifier = null; 2529 } 2530 2531 mInstallerService = new PackageInstallerService(context, this); 2532 2533 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2534 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2535 // both the installer and resolver must be present to enable ephemeral 2536 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2537 if (DEBUG_EPHEMERAL) { 2538 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2539 + " installer:" + ephemeralInstallerComponent); 2540 } 2541 mEphemeralResolverComponent = ephemeralResolverComponent; 2542 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2543 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2544 mEphemeralResolverConnection = 2545 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2546 } else { 2547 if (DEBUG_EPHEMERAL) { 2548 final String missingComponent = 2549 (ephemeralResolverComponent == null) 2550 ? (ephemeralInstallerComponent == null) 2551 ? "resolver and installer" 2552 : "resolver" 2553 : "installer"; 2554 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2555 } 2556 mEphemeralResolverComponent = null; 2557 mEphemeralInstallerComponent = null; 2558 mEphemeralResolverConnection = null; 2559 } 2560 2561 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2562 } // synchronized (mPackages) 2563 } // synchronized (mInstallLock) 2564 2565 // Now after opening every single application zip, make sure they 2566 // are all flushed. Not really needed, but keeps things nice and 2567 // tidy. 2568 Runtime.getRuntime().gc(); 2569 2570 // The initial scanning above does many calls into installd while 2571 // holding the mPackages lock, but we're mostly interested in yelling 2572 // once we have a booted system. 2573 mInstaller.setWarnIfHeld(mPackages); 2574 2575 // Expose private service for system components to use. 2576 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2577 } 2578 2579 @Override 2580 public boolean isFirstBoot() { 2581 return !mRestoredSettings; 2582 } 2583 2584 @Override 2585 public boolean isOnlyCoreApps() { 2586 return mOnlyCore; 2587 } 2588 2589 @Override 2590 public boolean isUpgrade() { 2591 return mIsUpgrade; 2592 } 2593 2594 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2595 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2596 2597 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2598 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2599 UserHandle.USER_SYSTEM); 2600 if (matches.size() == 1) { 2601 return matches.get(0).getComponentInfo().packageName; 2602 } else { 2603 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2604 return null; 2605 } 2606 } 2607 2608 private @NonNull String getRequiredInstallerLPr() { 2609 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2610 intent.addCategory(Intent.CATEGORY_DEFAULT); 2611 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2612 2613 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2614 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2615 UserHandle.USER_SYSTEM); 2616 if (matches.size() == 1) { 2617 return matches.get(0).getComponentInfo().packageName; 2618 } else { 2619 throw new RuntimeException("There must be exactly one installer; found " + matches); 2620 } 2621 } 2622 2623 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2624 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2625 2626 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2627 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2628 UserHandle.USER_SYSTEM); 2629 ResolveInfo best = null; 2630 final int N = matches.size(); 2631 for (int i = 0; i < N; i++) { 2632 final ResolveInfo cur = matches.get(i); 2633 final String packageName = cur.getComponentInfo().packageName; 2634 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2635 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2636 continue; 2637 } 2638 2639 if (best == null || cur.priority > best.priority) { 2640 best = cur; 2641 } 2642 } 2643 2644 if (best != null) { 2645 return best.getComponentInfo().getComponentName(); 2646 } else { 2647 throw new RuntimeException("There must be at least one intent filter verifier"); 2648 } 2649 } 2650 2651 private @Nullable ComponentName getEphemeralResolverLPr() { 2652 final String[] packageArray = 2653 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2654 if (packageArray.length == 0) { 2655 if (DEBUG_EPHEMERAL) { 2656 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2657 } 2658 return null; 2659 } 2660 2661 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2662 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2663 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2664 UserHandle.USER_SYSTEM); 2665 2666 final int N = resolvers.size(); 2667 if (N == 0) { 2668 if (DEBUG_EPHEMERAL) { 2669 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2670 } 2671 return null; 2672 } 2673 2674 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2675 for (int i = 0; i < N; i++) { 2676 final ResolveInfo info = resolvers.get(i); 2677 2678 if (info.serviceInfo == null) { 2679 continue; 2680 } 2681 2682 final String packageName = info.serviceInfo.packageName; 2683 if (!possiblePackages.contains(packageName)) { 2684 if (DEBUG_EPHEMERAL) { 2685 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2686 + " pkg: " + packageName + ", info:" + info); 2687 } 2688 continue; 2689 } 2690 2691 if (DEBUG_EPHEMERAL) { 2692 Slog.v(TAG, "Ephemeral resolver found;" 2693 + " pkg: " + packageName + ", info:" + info); 2694 } 2695 return new ComponentName(packageName, info.serviceInfo.name); 2696 } 2697 if (DEBUG_EPHEMERAL) { 2698 Slog.v(TAG, "Ephemeral resolver NOT found"); 2699 } 2700 return null; 2701 } 2702 2703 private @Nullable ComponentName getEphemeralInstallerLPr() { 2704 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2705 intent.addCategory(Intent.CATEGORY_DEFAULT); 2706 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2707 2708 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2709 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2710 UserHandle.USER_SYSTEM); 2711 if (matches.size() == 0) { 2712 return null; 2713 } else if (matches.size() == 1) { 2714 return matches.get(0).getComponentInfo().getComponentName(); 2715 } else { 2716 throw new RuntimeException( 2717 "There must be at most one ephemeral installer; found " + matches); 2718 } 2719 } 2720 2721 private void primeDomainVerificationsLPw(int userId) { 2722 if (DEBUG_DOMAIN_VERIFICATION) { 2723 Slog.d(TAG, "Priming domain verifications in user " + userId); 2724 } 2725 2726 SystemConfig systemConfig = SystemConfig.getInstance(); 2727 ArraySet<String> packages = systemConfig.getLinkedApps(); 2728 ArraySet<String> domains = new ArraySet<String>(); 2729 2730 for (String packageName : packages) { 2731 PackageParser.Package pkg = mPackages.get(packageName); 2732 if (pkg != null) { 2733 if (!pkg.isSystemApp()) { 2734 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2735 continue; 2736 } 2737 2738 domains.clear(); 2739 for (PackageParser.Activity a : pkg.activities) { 2740 for (ActivityIntentInfo filter : a.intents) { 2741 if (hasValidDomains(filter)) { 2742 domains.addAll(filter.getHostsList()); 2743 } 2744 } 2745 } 2746 2747 if (domains.size() > 0) { 2748 if (DEBUG_DOMAIN_VERIFICATION) { 2749 Slog.v(TAG, " + " + packageName); 2750 } 2751 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2752 // state w.r.t. the formal app-linkage "no verification attempted" state; 2753 // and then 'always' in the per-user state actually used for intent resolution. 2754 final IntentFilterVerificationInfo ivi; 2755 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2756 new ArrayList<String>(domains)); 2757 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2758 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2759 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2760 } else { 2761 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2762 + "' does not handle web links"); 2763 } 2764 } else { 2765 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2766 } 2767 } 2768 2769 scheduleWritePackageRestrictionsLocked(userId); 2770 scheduleWriteSettingsLocked(); 2771 } 2772 2773 private void applyFactoryDefaultBrowserLPw(int userId) { 2774 // The default browser app's package name is stored in a string resource, 2775 // with a product-specific overlay used for vendor customization. 2776 String browserPkg = mContext.getResources().getString( 2777 com.android.internal.R.string.default_browser); 2778 if (!TextUtils.isEmpty(browserPkg)) { 2779 // non-empty string => required to be a known package 2780 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2781 if (ps == null) { 2782 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2783 browserPkg = null; 2784 } else { 2785 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2786 } 2787 } 2788 2789 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2790 // default. If there's more than one, just leave everything alone. 2791 if (browserPkg == null) { 2792 calculateDefaultBrowserLPw(userId); 2793 } 2794 } 2795 2796 private void calculateDefaultBrowserLPw(int userId) { 2797 List<String> allBrowsers = resolveAllBrowserApps(userId); 2798 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2799 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2800 } 2801 2802 private List<String> resolveAllBrowserApps(int userId) { 2803 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2804 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2805 PackageManager.MATCH_ALL, userId); 2806 2807 final int count = list.size(); 2808 List<String> result = new ArrayList<String>(count); 2809 for (int i=0; i<count; i++) { 2810 ResolveInfo info = list.get(i); 2811 if (info.activityInfo == null 2812 || !info.handleAllWebDataURI 2813 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2814 || result.contains(info.activityInfo.packageName)) { 2815 continue; 2816 } 2817 result.add(info.activityInfo.packageName); 2818 } 2819 2820 return result; 2821 } 2822 2823 private boolean packageIsBrowser(String packageName, int userId) { 2824 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2825 PackageManager.MATCH_ALL, userId); 2826 final int N = list.size(); 2827 for (int i = 0; i < N; i++) { 2828 ResolveInfo info = list.get(i); 2829 if (packageName.equals(info.activityInfo.packageName)) { 2830 return true; 2831 } 2832 } 2833 return false; 2834 } 2835 2836 private void checkDefaultBrowser() { 2837 final int myUserId = UserHandle.myUserId(); 2838 final String packageName = getDefaultBrowserPackageName(myUserId); 2839 if (packageName != null) { 2840 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2841 if (info == null) { 2842 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2843 synchronized (mPackages) { 2844 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2845 } 2846 } 2847 } 2848 } 2849 2850 @Override 2851 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2852 throws RemoteException { 2853 try { 2854 return super.onTransact(code, data, reply, flags); 2855 } catch (RuntimeException e) { 2856 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2857 Slog.wtf(TAG, "Package Manager Crash", e); 2858 } 2859 throw e; 2860 } 2861 } 2862 2863 void cleanupInstallFailedPackage(PackageSetting ps) { 2864 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2865 2866 removeDataDirsLI(ps.volumeUuid, ps.name); 2867 if (ps.codePath != null) { 2868 removeCodePathLI(ps.codePath); 2869 } 2870 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2871 if (ps.resourcePath.isDirectory()) { 2872 FileUtils.deleteContents(ps.resourcePath); 2873 } 2874 ps.resourcePath.delete(); 2875 } 2876 mSettings.removePackageLPw(ps.name); 2877 } 2878 2879 static int[] appendInts(int[] cur, int[] add) { 2880 if (add == null) return cur; 2881 if (cur == null) return add; 2882 final int N = add.length; 2883 for (int i=0; i<N; i++) { 2884 cur = appendInt(cur, add[i]); 2885 } 2886 return cur; 2887 } 2888 2889 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2890 if (!sUserManager.exists(userId)) return null; 2891 final PackageSetting ps = (PackageSetting) p.mExtras; 2892 if (ps == null) { 2893 return null; 2894 } 2895 2896 final PermissionsState permissionsState = ps.getPermissionsState(); 2897 2898 final int[] gids = permissionsState.computeGids(userId); 2899 final Set<String> permissions = permissionsState.getPermissions(userId); 2900 final PackageUserState state = ps.readUserState(userId); 2901 2902 return PackageParser.generatePackageInfo(p, gids, flags, 2903 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2904 } 2905 2906 @Override 2907 public void checkPackageStartable(String packageName, int userId) { 2908 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2909 2910 synchronized (mPackages) { 2911 final PackageSetting ps = mSettings.mPackages.get(packageName); 2912 if (ps == null) { 2913 throw new SecurityException("Package " + packageName + " was not found!"); 2914 } 2915 2916 if (!ps.getInstalled(userId)) { 2917 throw new SecurityException( 2918 "Package " + packageName + " was not installed for user " + userId + "!"); 2919 } 2920 2921 if (mSafeMode && !ps.isSystem()) { 2922 throw new SecurityException("Package " + packageName + " not a system app!"); 2923 } 2924 2925 if (ps.frozen) { 2926 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2927 } 2928 2929 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 2930 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 2931 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2932 } 2933 } 2934 } 2935 2936 @Override 2937 public boolean isPackageAvailable(String packageName, int userId) { 2938 if (!sUserManager.exists(userId)) return false; 2939 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2940 false /* requireFullPermission */, false /* checkShell */, "is package available"); 2941 synchronized (mPackages) { 2942 PackageParser.Package p = mPackages.get(packageName); 2943 if (p != null) { 2944 final PackageSetting ps = (PackageSetting) p.mExtras; 2945 if (ps != null) { 2946 final PackageUserState state = ps.readUserState(userId); 2947 if (state != null) { 2948 return PackageParser.isAvailable(state); 2949 } 2950 } 2951 } 2952 } 2953 return false; 2954 } 2955 2956 @Override 2957 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2958 if (!sUserManager.exists(userId)) return null; 2959 flags = updateFlagsForPackage(flags, userId, packageName); 2960 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2961 false /* requireFullPermission */, false /* checkShell */, "get package info"); 2962 // reader 2963 synchronized (mPackages) { 2964 PackageParser.Package p = mPackages.get(packageName); 2965 if (DEBUG_PACKAGE_INFO) 2966 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2967 if (p != null) { 2968 return generatePackageInfo(p, flags, userId); 2969 } 2970 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2971 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2972 } 2973 } 2974 return null; 2975 } 2976 2977 @Override 2978 public String[] currentToCanonicalPackageNames(String[] names) { 2979 String[] out = new String[names.length]; 2980 // reader 2981 synchronized (mPackages) { 2982 for (int i=names.length-1; i>=0; i--) { 2983 PackageSetting ps = mSettings.mPackages.get(names[i]); 2984 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2985 } 2986 } 2987 return out; 2988 } 2989 2990 @Override 2991 public String[] canonicalToCurrentPackageNames(String[] names) { 2992 String[] out = new String[names.length]; 2993 // reader 2994 synchronized (mPackages) { 2995 for (int i=names.length-1; i>=0; i--) { 2996 String cur = mSettings.mRenamedPackages.get(names[i]); 2997 out[i] = cur != null ? cur : names[i]; 2998 } 2999 } 3000 return out; 3001 } 3002 3003 @Override 3004 public int getPackageUid(String packageName, int flags, int userId) { 3005 if (!sUserManager.exists(userId)) return -1; 3006 flags = updateFlagsForPackage(flags, userId, packageName); 3007 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3008 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3009 3010 // reader 3011 synchronized (mPackages) { 3012 final PackageParser.Package p = mPackages.get(packageName); 3013 if (p != null && p.isMatch(flags)) { 3014 return UserHandle.getUid(userId, p.applicationInfo.uid); 3015 } 3016 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3017 final PackageSetting ps = mSettings.mPackages.get(packageName); 3018 if (ps != null && ps.isMatch(flags)) { 3019 return UserHandle.getUid(userId, ps.appId); 3020 } 3021 } 3022 } 3023 3024 return -1; 3025 } 3026 3027 @Override 3028 public int[] getPackageGids(String packageName, int flags, int userId) { 3029 if (!sUserManager.exists(userId)) return null; 3030 flags = updateFlagsForPackage(flags, userId, packageName); 3031 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3032 false /* requireFullPermission */, false /* checkShell */, 3033 "getPackageGids"); 3034 3035 // reader 3036 synchronized (mPackages) { 3037 final PackageParser.Package p = mPackages.get(packageName); 3038 if (p != null && p.isMatch(flags)) { 3039 PackageSetting ps = (PackageSetting) p.mExtras; 3040 return ps.getPermissionsState().computeGids(userId); 3041 } 3042 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3043 final PackageSetting ps = mSettings.mPackages.get(packageName); 3044 if (ps != null && ps.isMatch(flags)) { 3045 return ps.getPermissionsState().computeGids(userId); 3046 } 3047 } 3048 } 3049 3050 return null; 3051 } 3052 3053 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3054 if (bp.perm != null) { 3055 return PackageParser.generatePermissionInfo(bp.perm, flags); 3056 } 3057 PermissionInfo pi = new PermissionInfo(); 3058 pi.name = bp.name; 3059 pi.packageName = bp.sourcePackage; 3060 pi.nonLocalizedLabel = bp.name; 3061 pi.protectionLevel = bp.protectionLevel; 3062 return pi; 3063 } 3064 3065 @Override 3066 public PermissionInfo getPermissionInfo(String name, int flags) { 3067 // reader 3068 synchronized (mPackages) { 3069 final BasePermission p = mSettings.mPermissions.get(name); 3070 if (p != null) { 3071 return generatePermissionInfo(p, flags); 3072 } 3073 return null; 3074 } 3075 } 3076 3077 @Override 3078 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3079 int flags) { 3080 // reader 3081 synchronized (mPackages) { 3082 if (group != null && !mPermissionGroups.containsKey(group)) { 3083 // This is thrown as NameNotFoundException 3084 return null; 3085 } 3086 3087 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3088 for (BasePermission p : mSettings.mPermissions.values()) { 3089 if (group == null) { 3090 if (p.perm == null || p.perm.info.group == null) { 3091 out.add(generatePermissionInfo(p, flags)); 3092 } 3093 } else { 3094 if (p.perm != null && group.equals(p.perm.info.group)) { 3095 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3096 } 3097 } 3098 } 3099 return new ParceledListSlice<>(out); 3100 } 3101 } 3102 3103 @Override 3104 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3105 // reader 3106 synchronized (mPackages) { 3107 return PackageParser.generatePermissionGroupInfo( 3108 mPermissionGroups.get(name), flags); 3109 } 3110 } 3111 3112 @Override 3113 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3114 // reader 3115 synchronized (mPackages) { 3116 final int N = mPermissionGroups.size(); 3117 ArrayList<PermissionGroupInfo> out 3118 = new ArrayList<PermissionGroupInfo>(N); 3119 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3120 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3121 } 3122 return new ParceledListSlice<>(out); 3123 } 3124 } 3125 3126 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3127 int userId) { 3128 if (!sUserManager.exists(userId)) return null; 3129 PackageSetting ps = mSettings.mPackages.get(packageName); 3130 if (ps != null) { 3131 if (ps.pkg == null) { 3132 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3133 flags, userId); 3134 if (pInfo != null) { 3135 return pInfo.applicationInfo; 3136 } 3137 return null; 3138 } 3139 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3140 ps.readUserState(userId), userId); 3141 } 3142 return null; 3143 } 3144 3145 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3146 int userId) { 3147 if (!sUserManager.exists(userId)) return null; 3148 PackageSetting ps = mSettings.mPackages.get(packageName); 3149 if (ps != null) { 3150 PackageParser.Package pkg = ps.pkg; 3151 if (pkg == null) { 3152 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 3153 return null; 3154 } 3155 // Only data remains, so we aren't worried about code paths 3156 pkg = new PackageParser.Package(packageName); 3157 pkg.applicationInfo.packageName = packageName; 3158 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3159 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3160 pkg.applicationInfo.uid = ps.appId; 3161 pkg.applicationInfo.initForUser(userId); 3162 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3163 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3164 } 3165 return generatePackageInfo(pkg, flags, userId); 3166 } 3167 return null; 3168 } 3169 3170 @Override 3171 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3172 if (!sUserManager.exists(userId)) return null; 3173 flags = updateFlagsForApplication(flags, userId, packageName); 3174 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3175 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3176 // writer 3177 synchronized (mPackages) { 3178 PackageParser.Package p = mPackages.get(packageName); 3179 if (DEBUG_PACKAGE_INFO) Log.v( 3180 TAG, "getApplicationInfo " + packageName 3181 + ": " + p); 3182 if (p != null) { 3183 PackageSetting ps = mSettings.mPackages.get(packageName); 3184 if (ps == null) return null; 3185 // Note: isEnabledLP() does not apply here - always return info 3186 return PackageParser.generateApplicationInfo( 3187 p, flags, ps.readUserState(userId), userId); 3188 } 3189 if ("android".equals(packageName)||"system".equals(packageName)) { 3190 return mAndroidApplication; 3191 } 3192 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3193 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3194 } 3195 } 3196 return null; 3197 } 3198 3199 @Override 3200 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3201 final IPackageDataObserver observer) { 3202 mContext.enforceCallingOrSelfPermission( 3203 android.Manifest.permission.CLEAR_APP_CACHE, null); 3204 // Queue up an async operation since clearing cache may take a little while. 3205 mHandler.post(new Runnable() { 3206 public void run() { 3207 mHandler.removeCallbacks(this); 3208 boolean success = true; 3209 synchronized (mInstallLock) { 3210 try { 3211 mInstaller.freeCache(volumeUuid, freeStorageSize); 3212 } catch (InstallerException e) { 3213 Slog.w(TAG, "Couldn't clear application caches: " + e); 3214 success = false; 3215 } 3216 } 3217 if (observer != null) { 3218 try { 3219 observer.onRemoveCompleted(null, success); 3220 } catch (RemoteException e) { 3221 Slog.w(TAG, "RemoveException when invoking call back"); 3222 } 3223 } 3224 } 3225 }); 3226 } 3227 3228 @Override 3229 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3230 final IntentSender pi) { 3231 mContext.enforceCallingOrSelfPermission( 3232 android.Manifest.permission.CLEAR_APP_CACHE, null); 3233 // Queue up an async operation since clearing cache may take a little while. 3234 mHandler.post(new Runnable() { 3235 public void run() { 3236 mHandler.removeCallbacks(this); 3237 boolean success = true; 3238 synchronized (mInstallLock) { 3239 try { 3240 mInstaller.freeCache(volumeUuid, freeStorageSize); 3241 } catch (InstallerException e) { 3242 Slog.w(TAG, "Couldn't clear application caches: " + e); 3243 success = false; 3244 } 3245 } 3246 if(pi != null) { 3247 try { 3248 // Callback via pending intent 3249 int code = success ? 1 : 0; 3250 pi.sendIntent(null, code, null, 3251 null, null); 3252 } catch (SendIntentException e1) { 3253 Slog.i(TAG, "Failed to send pending intent"); 3254 } 3255 } 3256 } 3257 }); 3258 } 3259 3260 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3261 synchronized (mInstallLock) { 3262 try { 3263 mInstaller.freeCache(volumeUuid, freeStorageSize); 3264 } catch (InstallerException e) { 3265 throw new IOException("Failed to free enough space", e); 3266 } 3267 } 3268 } 3269 3270 /** 3271 * Return if the user key is currently unlocked. 3272 */ 3273 private boolean isUserKeyUnlocked(int userId) { 3274 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3275 final IMountService mount = IMountService.Stub 3276 .asInterface(ServiceManager.getService("mount")); 3277 if (mount == null) { 3278 Slog.w(TAG, "Early during boot, assuming locked"); 3279 return false; 3280 } 3281 final long token = Binder.clearCallingIdentity(); 3282 try { 3283 return mount.isUserKeyUnlocked(userId); 3284 } catch (RemoteException e) { 3285 throw e.rethrowAsRuntimeException(); 3286 } finally { 3287 Binder.restoreCallingIdentity(token); 3288 } 3289 } else { 3290 return true; 3291 } 3292 } 3293 3294 /** 3295 * Update given flags based on encryption status of current user. 3296 */ 3297 private int updateFlags(int flags, int userId) { 3298 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3299 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3300 // Caller expressed an explicit opinion about what encryption 3301 // aware/unaware components they want to see, so fall through and 3302 // give them what they want 3303 } else { 3304 // Caller expressed no opinion, so match based on user state 3305 if (isUserKeyUnlocked(userId)) { 3306 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3307 } else { 3308 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3309 } 3310 } 3311 return flags; 3312 } 3313 3314 /** 3315 * Update given flags when being used to request {@link PackageInfo}. 3316 */ 3317 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3318 boolean triaged = true; 3319 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3320 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3321 // Caller is asking for component details, so they'd better be 3322 // asking for specific encryption matching behavior, or be triaged 3323 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3324 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3325 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3326 triaged = false; 3327 } 3328 } 3329 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3330 | PackageManager.MATCH_SYSTEM_ONLY 3331 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3332 triaged = false; 3333 } 3334 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3335 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3336 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3337 } 3338 return updateFlags(flags, userId); 3339 } 3340 3341 /** 3342 * Update given flags when being used to request {@link ApplicationInfo}. 3343 */ 3344 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3345 return updateFlagsForPackage(flags, userId, cookie); 3346 } 3347 3348 /** 3349 * Update given flags when being used to request {@link ComponentInfo}. 3350 */ 3351 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3352 if (cookie instanceof Intent) { 3353 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3354 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3355 } 3356 } 3357 3358 boolean triaged = true; 3359 // Caller is asking for component details, so they'd better be 3360 // asking for specific encryption matching behavior, or be triaged 3361 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3362 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3363 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3364 triaged = false; 3365 } 3366 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3367 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3368 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3369 } 3370 3371 return updateFlags(flags, userId); 3372 } 3373 3374 /** 3375 * Update given flags when being used to request {@link ResolveInfo}. 3376 */ 3377 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3378 // Safe mode means we shouldn't match any third-party components 3379 if (mSafeMode) { 3380 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3381 } 3382 3383 return updateFlagsForComponent(flags, userId, cookie); 3384 } 3385 3386 @Override 3387 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3388 if (!sUserManager.exists(userId)) return null; 3389 flags = updateFlagsForComponent(flags, userId, component); 3390 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3391 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3392 synchronized (mPackages) { 3393 PackageParser.Activity a = mActivities.mActivities.get(component); 3394 3395 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3396 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3397 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3398 if (ps == null) return null; 3399 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3400 userId); 3401 } 3402 if (mResolveComponentName.equals(component)) { 3403 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3404 new PackageUserState(), userId); 3405 } 3406 } 3407 return null; 3408 } 3409 3410 @Override 3411 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3412 String resolvedType) { 3413 synchronized (mPackages) { 3414 if (component.equals(mResolveComponentName)) { 3415 // The resolver supports EVERYTHING! 3416 return true; 3417 } 3418 PackageParser.Activity a = mActivities.mActivities.get(component); 3419 if (a == null) { 3420 return false; 3421 } 3422 for (int i=0; i<a.intents.size(); i++) { 3423 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3424 intent.getData(), intent.getCategories(), TAG) >= 0) { 3425 return true; 3426 } 3427 } 3428 return false; 3429 } 3430 } 3431 3432 @Override 3433 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3434 if (!sUserManager.exists(userId)) return null; 3435 flags = updateFlagsForComponent(flags, userId, component); 3436 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3437 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3438 synchronized (mPackages) { 3439 PackageParser.Activity a = mReceivers.mActivities.get(component); 3440 if (DEBUG_PACKAGE_INFO) Log.v( 3441 TAG, "getReceiverInfo " + component + ": " + a); 3442 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3443 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3444 if (ps == null) return null; 3445 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3446 userId); 3447 } 3448 } 3449 return null; 3450 } 3451 3452 @Override 3453 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3454 if (!sUserManager.exists(userId)) return null; 3455 flags = updateFlagsForComponent(flags, userId, component); 3456 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3457 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3458 synchronized (mPackages) { 3459 PackageParser.Service s = mServices.mServices.get(component); 3460 if (DEBUG_PACKAGE_INFO) Log.v( 3461 TAG, "getServiceInfo " + component + ": " + s); 3462 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3463 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3464 if (ps == null) return null; 3465 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3466 userId); 3467 } 3468 } 3469 return null; 3470 } 3471 3472 @Override 3473 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3474 if (!sUserManager.exists(userId)) return null; 3475 flags = updateFlagsForComponent(flags, userId, component); 3476 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3477 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3478 synchronized (mPackages) { 3479 PackageParser.Provider p = mProviders.mProviders.get(component); 3480 if (DEBUG_PACKAGE_INFO) Log.v( 3481 TAG, "getProviderInfo " + component + ": " + p); 3482 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3483 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3484 if (ps == null) return null; 3485 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3486 userId); 3487 } 3488 } 3489 return null; 3490 } 3491 3492 @Override 3493 public String[] getSystemSharedLibraryNames() { 3494 Set<String> libSet; 3495 synchronized (mPackages) { 3496 libSet = mSharedLibraries.keySet(); 3497 int size = libSet.size(); 3498 if (size > 0) { 3499 String[] libs = new String[size]; 3500 libSet.toArray(libs); 3501 return libs; 3502 } 3503 } 3504 return null; 3505 } 3506 3507 @Override 3508 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3509 synchronized (mPackages) { 3510 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3511 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3512 if (libraryEntry != null) { 3513 return libraryEntry.apk; 3514 } 3515 } 3516 return null; 3517 } 3518 3519 @Override 3520 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3521 synchronized (mPackages) { 3522 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3523 3524 final FeatureInfo fi = new FeatureInfo(); 3525 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3526 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3527 res.add(fi); 3528 3529 return new ParceledListSlice<>(res); 3530 } 3531 } 3532 3533 @Override 3534 public boolean hasSystemFeature(String name, int version) { 3535 synchronized (mPackages) { 3536 final FeatureInfo feat = mAvailableFeatures.get(name); 3537 if (feat == null) { 3538 return false; 3539 } else { 3540 return feat.version >= version; 3541 } 3542 } 3543 } 3544 3545 @Override 3546 public int checkPermission(String permName, String pkgName, int userId) { 3547 if (!sUserManager.exists(userId)) { 3548 return PackageManager.PERMISSION_DENIED; 3549 } 3550 3551 synchronized (mPackages) { 3552 final PackageParser.Package p = mPackages.get(pkgName); 3553 if (p != null && p.mExtras != null) { 3554 final PackageSetting ps = (PackageSetting) p.mExtras; 3555 final PermissionsState permissionsState = ps.getPermissionsState(); 3556 if (permissionsState.hasPermission(permName, userId)) { 3557 return PackageManager.PERMISSION_GRANTED; 3558 } 3559 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3560 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3561 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3562 return PackageManager.PERMISSION_GRANTED; 3563 } 3564 } 3565 } 3566 3567 return PackageManager.PERMISSION_DENIED; 3568 } 3569 3570 @Override 3571 public int checkUidPermission(String permName, int uid) { 3572 final int userId = UserHandle.getUserId(uid); 3573 3574 if (!sUserManager.exists(userId)) { 3575 return PackageManager.PERMISSION_DENIED; 3576 } 3577 3578 synchronized (mPackages) { 3579 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3580 if (obj != null) { 3581 final SettingBase ps = (SettingBase) obj; 3582 final PermissionsState permissionsState = ps.getPermissionsState(); 3583 if (permissionsState.hasPermission(permName, userId)) { 3584 return PackageManager.PERMISSION_GRANTED; 3585 } 3586 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3587 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3588 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3589 return PackageManager.PERMISSION_GRANTED; 3590 } 3591 } else { 3592 ArraySet<String> perms = mSystemPermissions.get(uid); 3593 if (perms != null) { 3594 if (perms.contains(permName)) { 3595 return PackageManager.PERMISSION_GRANTED; 3596 } 3597 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3598 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3599 return PackageManager.PERMISSION_GRANTED; 3600 } 3601 } 3602 } 3603 } 3604 3605 return PackageManager.PERMISSION_DENIED; 3606 } 3607 3608 @Override 3609 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3610 if (UserHandle.getCallingUserId() != userId) { 3611 mContext.enforceCallingPermission( 3612 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3613 "isPermissionRevokedByPolicy for user " + userId); 3614 } 3615 3616 if (checkPermission(permission, packageName, userId) 3617 == PackageManager.PERMISSION_GRANTED) { 3618 return false; 3619 } 3620 3621 final long identity = Binder.clearCallingIdentity(); 3622 try { 3623 final int flags = getPermissionFlags(permission, packageName, userId); 3624 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3625 } finally { 3626 Binder.restoreCallingIdentity(identity); 3627 } 3628 } 3629 3630 @Override 3631 public String getPermissionControllerPackageName() { 3632 synchronized (mPackages) { 3633 return mRequiredInstallerPackage; 3634 } 3635 } 3636 3637 /** 3638 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3639 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3640 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3641 * @param message the message to log on security exception 3642 */ 3643 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3644 boolean checkShell, String message) { 3645 if (userId < 0) { 3646 throw new IllegalArgumentException("Invalid userId " + userId); 3647 } 3648 if (checkShell) { 3649 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3650 } 3651 if (userId == UserHandle.getUserId(callingUid)) return; 3652 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3653 if (requireFullPermission) { 3654 mContext.enforceCallingOrSelfPermission( 3655 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3656 } else { 3657 try { 3658 mContext.enforceCallingOrSelfPermission( 3659 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3660 } catch (SecurityException se) { 3661 mContext.enforceCallingOrSelfPermission( 3662 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3663 } 3664 } 3665 } 3666 } 3667 3668 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3669 if (callingUid == Process.SHELL_UID) { 3670 if (userHandle >= 0 3671 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3672 throw new SecurityException("Shell does not have permission to access user " 3673 + userHandle); 3674 } else if (userHandle < 0) { 3675 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3676 + Debug.getCallers(3)); 3677 } 3678 } 3679 } 3680 3681 private BasePermission findPermissionTreeLP(String permName) { 3682 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3683 if (permName.startsWith(bp.name) && 3684 permName.length() > bp.name.length() && 3685 permName.charAt(bp.name.length()) == '.') { 3686 return bp; 3687 } 3688 } 3689 return null; 3690 } 3691 3692 private BasePermission checkPermissionTreeLP(String permName) { 3693 if (permName != null) { 3694 BasePermission bp = findPermissionTreeLP(permName); 3695 if (bp != null) { 3696 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3697 return bp; 3698 } 3699 throw new SecurityException("Calling uid " 3700 + Binder.getCallingUid() 3701 + " is not allowed to add to permission tree " 3702 + bp.name + " owned by uid " + bp.uid); 3703 } 3704 } 3705 throw new SecurityException("No permission tree found for " + permName); 3706 } 3707 3708 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3709 if (s1 == null) { 3710 return s2 == null; 3711 } 3712 if (s2 == null) { 3713 return false; 3714 } 3715 if (s1.getClass() != s2.getClass()) { 3716 return false; 3717 } 3718 return s1.equals(s2); 3719 } 3720 3721 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3722 if (pi1.icon != pi2.icon) return false; 3723 if (pi1.logo != pi2.logo) return false; 3724 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3725 if (!compareStrings(pi1.name, pi2.name)) return false; 3726 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3727 // We'll take care of setting this one. 3728 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3729 // These are not currently stored in settings. 3730 //if (!compareStrings(pi1.group, pi2.group)) return false; 3731 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3732 //if (pi1.labelRes != pi2.labelRes) return false; 3733 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3734 return true; 3735 } 3736 3737 int permissionInfoFootprint(PermissionInfo info) { 3738 int size = info.name.length(); 3739 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3740 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3741 return size; 3742 } 3743 3744 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3745 int size = 0; 3746 for (BasePermission perm : mSettings.mPermissions.values()) { 3747 if (perm.uid == tree.uid) { 3748 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3749 } 3750 } 3751 return size; 3752 } 3753 3754 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3755 // We calculate the max size of permissions defined by this uid and throw 3756 // if that plus the size of 'info' would exceed our stated maximum. 3757 if (tree.uid != Process.SYSTEM_UID) { 3758 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3759 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3760 throw new SecurityException("Permission tree size cap exceeded"); 3761 } 3762 } 3763 } 3764 3765 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3766 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3767 throw new SecurityException("Label must be specified in permission"); 3768 } 3769 BasePermission tree = checkPermissionTreeLP(info.name); 3770 BasePermission bp = mSettings.mPermissions.get(info.name); 3771 boolean added = bp == null; 3772 boolean changed = true; 3773 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3774 if (added) { 3775 enforcePermissionCapLocked(info, tree); 3776 bp = new BasePermission(info.name, tree.sourcePackage, 3777 BasePermission.TYPE_DYNAMIC); 3778 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3779 throw new SecurityException( 3780 "Not allowed to modify non-dynamic permission " 3781 + info.name); 3782 } else { 3783 if (bp.protectionLevel == fixedLevel 3784 && bp.perm.owner.equals(tree.perm.owner) 3785 && bp.uid == tree.uid 3786 && comparePermissionInfos(bp.perm.info, info)) { 3787 changed = false; 3788 } 3789 } 3790 bp.protectionLevel = fixedLevel; 3791 info = new PermissionInfo(info); 3792 info.protectionLevel = fixedLevel; 3793 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3794 bp.perm.info.packageName = tree.perm.info.packageName; 3795 bp.uid = tree.uid; 3796 if (added) { 3797 mSettings.mPermissions.put(info.name, bp); 3798 } 3799 if (changed) { 3800 if (!async) { 3801 mSettings.writeLPr(); 3802 } else { 3803 scheduleWriteSettingsLocked(); 3804 } 3805 } 3806 return added; 3807 } 3808 3809 @Override 3810 public boolean addPermission(PermissionInfo info) { 3811 synchronized (mPackages) { 3812 return addPermissionLocked(info, false); 3813 } 3814 } 3815 3816 @Override 3817 public boolean addPermissionAsync(PermissionInfo info) { 3818 synchronized (mPackages) { 3819 return addPermissionLocked(info, true); 3820 } 3821 } 3822 3823 @Override 3824 public void removePermission(String name) { 3825 synchronized (mPackages) { 3826 checkPermissionTreeLP(name); 3827 BasePermission bp = mSettings.mPermissions.get(name); 3828 if (bp != null) { 3829 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3830 throw new SecurityException( 3831 "Not allowed to modify non-dynamic permission " 3832 + name); 3833 } 3834 mSettings.mPermissions.remove(name); 3835 mSettings.writeLPr(); 3836 } 3837 } 3838 } 3839 3840 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3841 BasePermission bp) { 3842 int index = pkg.requestedPermissions.indexOf(bp.name); 3843 if (index == -1) { 3844 throw new SecurityException("Package " + pkg.packageName 3845 + " has not requested permission " + bp.name); 3846 } 3847 if (!bp.isRuntime() && !bp.isDevelopment()) { 3848 throw new SecurityException("Permission " + bp.name 3849 + " is not a changeable permission type"); 3850 } 3851 } 3852 3853 @Override 3854 public void grantRuntimePermission(String packageName, String name, final int userId) { 3855 if (!sUserManager.exists(userId)) { 3856 Log.e(TAG, "No such user:" + userId); 3857 return; 3858 } 3859 3860 mContext.enforceCallingOrSelfPermission( 3861 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3862 "grantRuntimePermission"); 3863 3864 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3865 true /* requireFullPermission */, true /* checkShell */, 3866 "grantRuntimePermission"); 3867 3868 final int uid; 3869 final SettingBase sb; 3870 3871 synchronized (mPackages) { 3872 final PackageParser.Package pkg = mPackages.get(packageName); 3873 if (pkg == null) { 3874 throw new IllegalArgumentException("Unknown package: " + packageName); 3875 } 3876 3877 final BasePermission bp = mSettings.mPermissions.get(name); 3878 if (bp == null) { 3879 throw new IllegalArgumentException("Unknown permission: " + name); 3880 } 3881 3882 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3883 3884 // If a permission review is required for legacy apps we represent 3885 // their permissions as always granted runtime ones since we need 3886 // to keep the review required permission flag per user while an 3887 // install permission's state is shared across all users. 3888 if (Build.PERMISSIONS_REVIEW_REQUIRED 3889 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3890 && bp.isRuntime()) { 3891 return; 3892 } 3893 3894 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3895 sb = (SettingBase) pkg.mExtras; 3896 if (sb == null) { 3897 throw new IllegalArgumentException("Unknown package: " + packageName); 3898 } 3899 3900 final PermissionsState permissionsState = sb.getPermissionsState(); 3901 3902 final int flags = permissionsState.getPermissionFlags(name, userId); 3903 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3904 throw new SecurityException("Cannot grant system fixed permission " 3905 + name + " for package " + packageName); 3906 } 3907 3908 if (bp.isDevelopment()) { 3909 // Development permissions must be handled specially, since they are not 3910 // normal runtime permissions. For now they apply to all users. 3911 if (permissionsState.grantInstallPermission(bp) != 3912 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3913 scheduleWriteSettingsLocked(); 3914 } 3915 return; 3916 } 3917 3918 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3919 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3920 return; 3921 } 3922 3923 final int result = permissionsState.grantRuntimePermission(bp, userId); 3924 switch (result) { 3925 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3926 return; 3927 } 3928 3929 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3930 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3931 mHandler.post(new Runnable() { 3932 @Override 3933 public void run() { 3934 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3935 } 3936 }); 3937 } 3938 break; 3939 } 3940 3941 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3942 3943 // Not critical if that is lost - app has to request again. 3944 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3945 } 3946 3947 // Only need to do this if user is initialized. Otherwise it's a new user 3948 // and there are no processes running as the user yet and there's no need 3949 // to make an expensive call to remount processes for the changed permissions. 3950 if (READ_EXTERNAL_STORAGE.equals(name) 3951 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3952 final long token = Binder.clearCallingIdentity(); 3953 try { 3954 if (sUserManager.isInitialized(userId)) { 3955 MountServiceInternal mountServiceInternal = LocalServices.getService( 3956 MountServiceInternal.class); 3957 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3958 } 3959 } finally { 3960 Binder.restoreCallingIdentity(token); 3961 } 3962 } 3963 } 3964 3965 @Override 3966 public void revokeRuntimePermission(String packageName, String name, int userId) { 3967 if (!sUserManager.exists(userId)) { 3968 Log.e(TAG, "No such user:" + userId); 3969 return; 3970 } 3971 3972 mContext.enforceCallingOrSelfPermission( 3973 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3974 "revokeRuntimePermission"); 3975 3976 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3977 true /* requireFullPermission */, true /* checkShell */, 3978 "revokeRuntimePermission"); 3979 3980 final int appId; 3981 3982 synchronized (mPackages) { 3983 final PackageParser.Package pkg = mPackages.get(packageName); 3984 if (pkg == null) { 3985 throw new IllegalArgumentException("Unknown package: " + packageName); 3986 } 3987 3988 final BasePermission bp = mSettings.mPermissions.get(name); 3989 if (bp == null) { 3990 throw new IllegalArgumentException("Unknown permission: " + name); 3991 } 3992 3993 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3994 3995 // If a permission review is required for legacy apps we represent 3996 // their permissions as always granted runtime ones since we need 3997 // to keep the review required permission flag per user while an 3998 // install permission's state is shared across all users. 3999 if (Build.PERMISSIONS_REVIEW_REQUIRED 4000 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4001 && bp.isRuntime()) { 4002 return; 4003 } 4004 4005 SettingBase sb = (SettingBase) pkg.mExtras; 4006 if (sb == null) { 4007 throw new IllegalArgumentException("Unknown package: " + packageName); 4008 } 4009 4010 final PermissionsState permissionsState = sb.getPermissionsState(); 4011 4012 final int flags = permissionsState.getPermissionFlags(name, userId); 4013 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4014 throw new SecurityException("Cannot revoke system fixed permission " 4015 + name + " for package " + packageName); 4016 } 4017 4018 if (bp.isDevelopment()) { 4019 // Development permissions must be handled specially, since they are not 4020 // normal runtime permissions. For now they apply to all users. 4021 if (permissionsState.revokeInstallPermission(bp) != 4022 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4023 scheduleWriteSettingsLocked(); 4024 } 4025 return; 4026 } 4027 4028 if (permissionsState.revokeRuntimePermission(bp, userId) == 4029 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4030 return; 4031 } 4032 4033 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4034 4035 // Critical, after this call app should never have the permission. 4036 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4037 4038 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4039 } 4040 4041 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4042 } 4043 4044 @Override 4045 public void resetRuntimePermissions() { 4046 mContext.enforceCallingOrSelfPermission( 4047 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4048 "revokeRuntimePermission"); 4049 4050 int callingUid = Binder.getCallingUid(); 4051 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4052 mContext.enforceCallingOrSelfPermission( 4053 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4054 "resetRuntimePermissions"); 4055 } 4056 4057 synchronized (mPackages) { 4058 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4059 for (int userId : UserManagerService.getInstance().getUserIds()) { 4060 final int packageCount = mPackages.size(); 4061 for (int i = 0; i < packageCount; i++) { 4062 PackageParser.Package pkg = mPackages.valueAt(i); 4063 if (!(pkg.mExtras instanceof PackageSetting)) { 4064 continue; 4065 } 4066 PackageSetting ps = (PackageSetting) pkg.mExtras; 4067 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4068 } 4069 } 4070 } 4071 } 4072 4073 @Override 4074 public int getPermissionFlags(String name, String packageName, int userId) { 4075 if (!sUserManager.exists(userId)) { 4076 return 0; 4077 } 4078 4079 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4080 4081 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4082 true /* requireFullPermission */, false /* checkShell */, 4083 "getPermissionFlags"); 4084 4085 synchronized (mPackages) { 4086 final PackageParser.Package pkg = mPackages.get(packageName); 4087 if (pkg == null) { 4088 throw new IllegalArgumentException("Unknown package: " + packageName); 4089 } 4090 4091 final BasePermission bp = mSettings.mPermissions.get(name); 4092 if (bp == null) { 4093 throw new IllegalArgumentException("Unknown permission: " + name); 4094 } 4095 4096 SettingBase sb = (SettingBase) pkg.mExtras; 4097 if (sb == null) { 4098 throw new IllegalArgumentException("Unknown package: " + packageName); 4099 } 4100 4101 PermissionsState permissionsState = sb.getPermissionsState(); 4102 return permissionsState.getPermissionFlags(name, userId); 4103 } 4104 } 4105 4106 @Override 4107 public void updatePermissionFlags(String name, String packageName, int flagMask, 4108 int flagValues, int userId) { 4109 if (!sUserManager.exists(userId)) { 4110 return; 4111 } 4112 4113 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4114 4115 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4116 true /* requireFullPermission */, true /* checkShell */, 4117 "updatePermissionFlags"); 4118 4119 // Only the system can change these flags and nothing else. 4120 if (getCallingUid() != Process.SYSTEM_UID) { 4121 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4122 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4123 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4124 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4125 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4126 } 4127 4128 synchronized (mPackages) { 4129 final PackageParser.Package pkg = mPackages.get(packageName); 4130 if (pkg == null) { 4131 throw new IllegalArgumentException("Unknown package: " + packageName); 4132 } 4133 4134 final BasePermission bp = mSettings.mPermissions.get(name); 4135 if (bp == null) { 4136 throw new IllegalArgumentException("Unknown permission: " + name); 4137 } 4138 4139 SettingBase sb = (SettingBase) pkg.mExtras; 4140 if (sb == null) { 4141 throw new IllegalArgumentException("Unknown package: " + packageName); 4142 } 4143 4144 PermissionsState permissionsState = sb.getPermissionsState(); 4145 4146 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4147 4148 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4149 // Install and runtime permissions are stored in different places, 4150 // so figure out what permission changed and persist the change. 4151 if (permissionsState.getInstallPermissionState(name) != null) { 4152 scheduleWriteSettingsLocked(); 4153 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4154 || hadState) { 4155 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4156 } 4157 } 4158 } 4159 } 4160 4161 /** 4162 * Update the permission flags for all packages and runtime permissions of a user in order 4163 * to allow device or profile owner to remove POLICY_FIXED. 4164 */ 4165 @Override 4166 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4167 if (!sUserManager.exists(userId)) { 4168 return; 4169 } 4170 4171 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4172 4173 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4174 true /* requireFullPermission */, true /* checkShell */, 4175 "updatePermissionFlagsForAllApps"); 4176 4177 // Only the system can change system fixed flags. 4178 if (getCallingUid() != Process.SYSTEM_UID) { 4179 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4180 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4181 } 4182 4183 synchronized (mPackages) { 4184 boolean changed = false; 4185 final int packageCount = mPackages.size(); 4186 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4187 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4188 SettingBase sb = (SettingBase) pkg.mExtras; 4189 if (sb == null) { 4190 continue; 4191 } 4192 PermissionsState permissionsState = sb.getPermissionsState(); 4193 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4194 userId, flagMask, flagValues); 4195 } 4196 if (changed) { 4197 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4198 } 4199 } 4200 } 4201 4202 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4203 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4204 != PackageManager.PERMISSION_GRANTED 4205 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4206 != PackageManager.PERMISSION_GRANTED) { 4207 throw new SecurityException(message + " requires " 4208 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4209 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4210 } 4211 } 4212 4213 @Override 4214 public boolean shouldShowRequestPermissionRationale(String permissionName, 4215 String packageName, int userId) { 4216 if (UserHandle.getCallingUserId() != userId) { 4217 mContext.enforceCallingPermission( 4218 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4219 "canShowRequestPermissionRationale for user " + userId); 4220 } 4221 4222 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4223 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4224 return false; 4225 } 4226 4227 if (checkPermission(permissionName, packageName, userId) 4228 == PackageManager.PERMISSION_GRANTED) { 4229 return false; 4230 } 4231 4232 final int flags; 4233 4234 final long identity = Binder.clearCallingIdentity(); 4235 try { 4236 flags = getPermissionFlags(permissionName, 4237 packageName, userId); 4238 } finally { 4239 Binder.restoreCallingIdentity(identity); 4240 } 4241 4242 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4243 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4244 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4245 4246 if ((flags & fixedFlags) != 0) { 4247 return false; 4248 } 4249 4250 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4251 } 4252 4253 @Override 4254 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4255 mContext.enforceCallingOrSelfPermission( 4256 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4257 "addOnPermissionsChangeListener"); 4258 4259 synchronized (mPackages) { 4260 mOnPermissionChangeListeners.addListenerLocked(listener); 4261 } 4262 } 4263 4264 @Override 4265 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4266 synchronized (mPackages) { 4267 mOnPermissionChangeListeners.removeListenerLocked(listener); 4268 } 4269 } 4270 4271 @Override 4272 public boolean isProtectedBroadcast(String actionName) { 4273 synchronized (mPackages) { 4274 if (mProtectedBroadcasts.contains(actionName)) { 4275 return true; 4276 } else if (actionName != null) { 4277 // TODO: remove these terrible hacks 4278 if (actionName.startsWith("android.net.netmon.lingerExpired") 4279 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4280 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4281 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4282 return true; 4283 } 4284 } 4285 } 4286 return false; 4287 } 4288 4289 @Override 4290 public int checkSignatures(String pkg1, String pkg2) { 4291 synchronized (mPackages) { 4292 final PackageParser.Package p1 = mPackages.get(pkg1); 4293 final PackageParser.Package p2 = mPackages.get(pkg2); 4294 if (p1 == null || p1.mExtras == null 4295 || p2 == null || p2.mExtras == null) { 4296 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4297 } 4298 return compareSignatures(p1.mSignatures, p2.mSignatures); 4299 } 4300 } 4301 4302 @Override 4303 public int checkUidSignatures(int uid1, int uid2) { 4304 // Map to base uids. 4305 uid1 = UserHandle.getAppId(uid1); 4306 uid2 = UserHandle.getAppId(uid2); 4307 // reader 4308 synchronized (mPackages) { 4309 Signature[] s1; 4310 Signature[] s2; 4311 Object obj = mSettings.getUserIdLPr(uid1); 4312 if (obj != null) { 4313 if (obj instanceof SharedUserSetting) { 4314 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4315 } else if (obj instanceof PackageSetting) { 4316 s1 = ((PackageSetting)obj).signatures.mSignatures; 4317 } else { 4318 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4319 } 4320 } else { 4321 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4322 } 4323 obj = mSettings.getUserIdLPr(uid2); 4324 if (obj != null) { 4325 if (obj instanceof SharedUserSetting) { 4326 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4327 } else if (obj instanceof PackageSetting) { 4328 s2 = ((PackageSetting)obj).signatures.mSignatures; 4329 } else { 4330 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4331 } 4332 } else { 4333 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4334 } 4335 return compareSignatures(s1, s2); 4336 } 4337 } 4338 4339 private void killUid(int appId, int userId, String reason) { 4340 final long identity = Binder.clearCallingIdentity(); 4341 try { 4342 IActivityManager am = ActivityManagerNative.getDefault(); 4343 if (am != null) { 4344 try { 4345 am.killUid(appId, userId, reason); 4346 } catch (RemoteException e) { 4347 /* ignore - same process */ 4348 } 4349 } 4350 } finally { 4351 Binder.restoreCallingIdentity(identity); 4352 } 4353 } 4354 4355 /** 4356 * Compares two sets of signatures. Returns: 4357 * <br /> 4358 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4359 * <br /> 4360 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4361 * <br /> 4362 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4363 * <br /> 4364 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4365 * <br /> 4366 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4367 */ 4368 static int compareSignatures(Signature[] s1, Signature[] s2) { 4369 if (s1 == null) { 4370 return s2 == null 4371 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4372 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4373 } 4374 4375 if (s2 == null) { 4376 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4377 } 4378 4379 if (s1.length != s2.length) { 4380 return PackageManager.SIGNATURE_NO_MATCH; 4381 } 4382 4383 // Since both signature sets are of size 1, we can compare without HashSets. 4384 if (s1.length == 1) { 4385 return s1[0].equals(s2[0]) ? 4386 PackageManager.SIGNATURE_MATCH : 4387 PackageManager.SIGNATURE_NO_MATCH; 4388 } 4389 4390 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4391 for (Signature sig : s1) { 4392 set1.add(sig); 4393 } 4394 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4395 for (Signature sig : s2) { 4396 set2.add(sig); 4397 } 4398 // Make sure s2 contains all signatures in s1. 4399 if (set1.equals(set2)) { 4400 return PackageManager.SIGNATURE_MATCH; 4401 } 4402 return PackageManager.SIGNATURE_NO_MATCH; 4403 } 4404 4405 /** 4406 * If the database version for this type of package (internal storage or 4407 * external storage) is less than the version where package signatures 4408 * were updated, return true. 4409 */ 4410 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4411 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4412 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4413 } 4414 4415 /** 4416 * Used for backward compatibility to make sure any packages with 4417 * certificate chains get upgraded to the new style. {@code existingSigs} 4418 * will be in the old format (since they were stored on disk from before the 4419 * system upgrade) and {@code scannedSigs} will be in the newer format. 4420 */ 4421 private int compareSignaturesCompat(PackageSignatures existingSigs, 4422 PackageParser.Package scannedPkg) { 4423 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4424 return PackageManager.SIGNATURE_NO_MATCH; 4425 } 4426 4427 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4428 for (Signature sig : existingSigs.mSignatures) { 4429 existingSet.add(sig); 4430 } 4431 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4432 for (Signature sig : scannedPkg.mSignatures) { 4433 try { 4434 Signature[] chainSignatures = sig.getChainSignatures(); 4435 for (Signature chainSig : chainSignatures) { 4436 scannedCompatSet.add(chainSig); 4437 } 4438 } catch (CertificateEncodingException e) { 4439 scannedCompatSet.add(sig); 4440 } 4441 } 4442 /* 4443 * Make sure the expanded scanned set contains all signatures in the 4444 * existing one. 4445 */ 4446 if (scannedCompatSet.equals(existingSet)) { 4447 // Migrate the old signatures to the new scheme. 4448 existingSigs.assignSignatures(scannedPkg.mSignatures); 4449 // The new KeySets will be re-added later in the scanning process. 4450 synchronized (mPackages) { 4451 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4452 } 4453 return PackageManager.SIGNATURE_MATCH; 4454 } 4455 return PackageManager.SIGNATURE_NO_MATCH; 4456 } 4457 4458 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4459 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4460 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4461 } 4462 4463 private int compareSignaturesRecover(PackageSignatures existingSigs, 4464 PackageParser.Package scannedPkg) { 4465 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4466 return PackageManager.SIGNATURE_NO_MATCH; 4467 } 4468 4469 String msg = null; 4470 try { 4471 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4472 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4473 + scannedPkg.packageName); 4474 return PackageManager.SIGNATURE_MATCH; 4475 } 4476 } catch (CertificateException e) { 4477 msg = e.getMessage(); 4478 } 4479 4480 logCriticalInfo(Log.INFO, 4481 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4482 return PackageManager.SIGNATURE_NO_MATCH; 4483 } 4484 4485 @Override 4486 public List<String> getAllPackages() { 4487 synchronized (mPackages) { 4488 return new ArrayList<String>(mPackages.keySet()); 4489 } 4490 } 4491 4492 @Override 4493 public String[] getPackagesForUid(int uid) { 4494 uid = UserHandle.getAppId(uid); 4495 // reader 4496 synchronized (mPackages) { 4497 Object obj = mSettings.getUserIdLPr(uid); 4498 if (obj instanceof SharedUserSetting) { 4499 final SharedUserSetting sus = (SharedUserSetting) obj; 4500 final int N = sus.packages.size(); 4501 final String[] res = new String[N]; 4502 final Iterator<PackageSetting> it = sus.packages.iterator(); 4503 int i = 0; 4504 while (it.hasNext()) { 4505 res[i++] = it.next().name; 4506 } 4507 return res; 4508 } else if (obj instanceof PackageSetting) { 4509 final PackageSetting ps = (PackageSetting) obj; 4510 return new String[] { ps.name }; 4511 } 4512 } 4513 return null; 4514 } 4515 4516 @Override 4517 public String getNameForUid(int uid) { 4518 // reader 4519 synchronized (mPackages) { 4520 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4521 if (obj instanceof SharedUserSetting) { 4522 final SharedUserSetting sus = (SharedUserSetting) obj; 4523 return sus.name + ":" + sus.userId; 4524 } else if (obj instanceof PackageSetting) { 4525 final PackageSetting ps = (PackageSetting) obj; 4526 return ps.name; 4527 } 4528 } 4529 return null; 4530 } 4531 4532 @Override 4533 public int getUidForSharedUser(String sharedUserName) { 4534 if(sharedUserName == null) { 4535 return -1; 4536 } 4537 // reader 4538 synchronized (mPackages) { 4539 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4540 if (suid == null) { 4541 return -1; 4542 } 4543 return suid.userId; 4544 } 4545 } 4546 4547 @Override 4548 public int getFlagsForUid(int uid) { 4549 synchronized (mPackages) { 4550 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4551 if (obj instanceof SharedUserSetting) { 4552 final SharedUserSetting sus = (SharedUserSetting) obj; 4553 return sus.pkgFlags; 4554 } else if (obj instanceof PackageSetting) { 4555 final PackageSetting ps = (PackageSetting) obj; 4556 return ps.pkgFlags; 4557 } 4558 } 4559 return 0; 4560 } 4561 4562 @Override 4563 public int getPrivateFlagsForUid(int uid) { 4564 synchronized (mPackages) { 4565 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4566 if (obj instanceof SharedUserSetting) { 4567 final SharedUserSetting sus = (SharedUserSetting) obj; 4568 return sus.pkgPrivateFlags; 4569 } else if (obj instanceof PackageSetting) { 4570 final PackageSetting ps = (PackageSetting) obj; 4571 return ps.pkgPrivateFlags; 4572 } 4573 } 4574 return 0; 4575 } 4576 4577 @Override 4578 public boolean isUidPrivileged(int uid) { 4579 uid = UserHandle.getAppId(uid); 4580 // reader 4581 synchronized (mPackages) { 4582 Object obj = mSettings.getUserIdLPr(uid); 4583 if (obj instanceof SharedUserSetting) { 4584 final SharedUserSetting sus = (SharedUserSetting) obj; 4585 final Iterator<PackageSetting> it = sus.packages.iterator(); 4586 while (it.hasNext()) { 4587 if (it.next().isPrivileged()) { 4588 return true; 4589 } 4590 } 4591 } else if (obj instanceof PackageSetting) { 4592 final PackageSetting ps = (PackageSetting) obj; 4593 return ps.isPrivileged(); 4594 } 4595 } 4596 return false; 4597 } 4598 4599 @Override 4600 public String[] getAppOpPermissionPackages(String permissionName) { 4601 synchronized (mPackages) { 4602 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4603 if (pkgs == null) { 4604 return null; 4605 } 4606 return pkgs.toArray(new String[pkgs.size()]); 4607 } 4608 } 4609 4610 @Override 4611 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4612 int flags, int userId) { 4613 if (!sUserManager.exists(userId)) return null; 4614 flags = updateFlagsForResolve(flags, userId, intent); 4615 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4616 false /* requireFullPermission */, false /* checkShell */, "resolve intent"); 4617 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4618 userId); 4619 final ResolveInfo bestChoice = 4620 chooseBestActivity(intent, resolvedType, flags, query, userId); 4621 4622 if (isEphemeralAllowed(intent, query, userId)) { 4623 final EphemeralResolveInfo ai = 4624 getEphemeralResolveInfo(intent, resolvedType, userId); 4625 if (ai != null) { 4626 if (DEBUG_EPHEMERAL) { 4627 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4628 } 4629 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4630 bestChoice.ephemeralResolveInfo = ai; 4631 } 4632 } 4633 return bestChoice; 4634 } 4635 4636 @Override 4637 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4638 IntentFilter filter, int match, ComponentName activity) { 4639 final int userId = UserHandle.getCallingUserId(); 4640 if (DEBUG_PREFERRED) { 4641 Log.v(TAG, "setLastChosenActivity intent=" + intent 4642 + " resolvedType=" + resolvedType 4643 + " flags=" + flags 4644 + " filter=" + filter 4645 + " match=" + match 4646 + " activity=" + activity); 4647 filter.dump(new PrintStreamPrinter(System.out), " "); 4648 } 4649 intent.setComponent(null); 4650 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4651 userId); 4652 // Find any earlier preferred or last chosen entries and nuke them 4653 findPreferredActivity(intent, resolvedType, 4654 flags, query, 0, false, true, false, userId); 4655 // Add the new activity as the last chosen for this filter 4656 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4657 "Setting last chosen"); 4658 } 4659 4660 @Override 4661 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4662 final int userId = UserHandle.getCallingUserId(); 4663 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4664 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4665 userId); 4666 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4667 false, false, false, userId); 4668 } 4669 4670 4671 private boolean isEphemeralAllowed( 4672 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4673 // Short circuit and return early if possible. 4674 if (DISABLE_EPHEMERAL_APPS) { 4675 return false; 4676 } 4677 final int callingUser = UserHandle.getCallingUserId(); 4678 if (callingUser != UserHandle.USER_SYSTEM) { 4679 return false; 4680 } 4681 if (mEphemeralResolverConnection == null) { 4682 return false; 4683 } 4684 if (intent.getComponent() != null) { 4685 return false; 4686 } 4687 if (intent.getPackage() != null) { 4688 return false; 4689 } 4690 final boolean isWebUri = hasWebURI(intent); 4691 if (!isWebUri) { 4692 return false; 4693 } 4694 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4695 synchronized (mPackages) { 4696 final int count = resolvedActivites.size(); 4697 for (int n = 0; n < count; n++) { 4698 ResolveInfo info = resolvedActivites.get(n); 4699 String packageName = info.activityInfo.packageName; 4700 PackageSetting ps = mSettings.mPackages.get(packageName); 4701 if (ps != null) { 4702 // Try to get the status from User settings first 4703 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4704 int status = (int) (packedStatus >> 32); 4705 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4706 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4707 if (DEBUG_EPHEMERAL) { 4708 Slog.v(TAG, "DENY ephemeral apps;" 4709 + " pkg: " + packageName + ", status: " + status); 4710 } 4711 return false; 4712 } 4713 } 4714 } 4715 } 4716 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4717 return true; 4718 } 4719 4720 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4721 int userId) { 4722 MessageDigest digest = null; 4723 try { 4724 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4725 } catch (NoSuchAlgorithmException e) { 4726 // If we can't create a digest, ignore ephemeral apps. 4727 return null; 4728 } 4729 4730 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4731 final byte[] digestBytes = digest.digest(hostBytes); 4732 int shaPrefix = 4733 digestBytes[0] << 24 4734 | digestBytes[1] << 16 4735 | digestBytes[2] << 8 4736 | digestBytes[3] << 0; 4737 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4738 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4739 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4740 // No hash prefix match; there are no ephemeral apps for this domain. 4741 return null; 4742 } 4743 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4744 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4745 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4746 continue; 4747 } 4748 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4749 // No filters; this should never happen. 4750 if (filters.isEmpty()) { 4751 continue; 4752 } 4753 // We have a domain match; resolve the filters to see if anything matches. 4754 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4755 for (int j = filters.size() - 1; j >= 0; --j) { 4756 final EphemeralResolveIntentInfo intentInfo = 4757 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4758 ephemeralResolver.addFilter(intentInfo); 4759 } 4760 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4761 intent, resolvedType, false /*defaultOnly*/, userId); 4762 if (!matchedResolveInfoList.isEmpty()) { 4763 return matchedResolveInfoList.get(0); 4764 } 4765 } 4766 // Hash or filter mis-match; no ephemeral apps for this domain. 4767 return null; 4768 } 4769 4770 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4771 int flags, List<ResolveInfo> query, int userId) { 4772 if (query != null) { 4773 final int N = query.size(); 4774 if (N == 1) { 4775 return query.get(0); 4776 } else if (N > 1) { 4777 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4778 // If there is more than one activity with the same priority, 4779 // then let the user decide between them. 4780 ResolveInfo r0 = query.get(0); 4781 ResolveInfo r1 = query.get(1); 4782 if (DEBUG_INTENT_MATCHING || debug) { 4783 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4784 + r1.activityInfo.name + "=" + r1.priority); 4785 } 4786 // If the first activity has a higher priority, or a different 4787 // default, then it is always desirable to pick it. 4788 if (r0.priority != r1.priority 4789 || r0.preferredOrder != r1.preferredOrder 4790 || r0.isDefault != r1.isDefault) { 4791 return query.get(0); 4792 } 4793 // If we have saved a preference for a preferred activity for 4794 // this Intent, use that. 4795 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4796 flags, query, r0.priority, true, false, debug, userId); 4797 if (ri != null) { 4798 return ri; 4799 } 4800 ri = new ResolveInfo(mResolveInfo); 4801 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4802 ri.activityInfo.applicationInfo = new ApplicationInfo( 4803 ri.activityInfo.applicationInfo); 4804 if (userId != 0) { 4805 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4806 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4807 } 4808 // Make sure that the resolver is displayable in car mode 4809 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4810 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4811 return ri; 4812 } 4813 } 4814 return null; 4815 } 4816 4817 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4818 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4819 final int N = query.size(); 4820 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4821 .get(userId); 4822 // Get the list of persistent preferred activities that handle the intent 4823 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4824 List<PersistentPreferredActivity> pprefs = ppir != null 4825 ? ppir.queryIntent(intent, resolvedType, 4826 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4827 : null; 4828 if (pprefs != null && pprefs.size() > 0) { 4829 final int M = pprefs.size(); 4830 for (int i=0; i<M; i++) { 4831 final PersistentPreferredActivity ppa = pprefs.get(i); 4832 if (DEBUG_PREFERRED || debug) { 4833 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4834 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4835 + "\n component=" + ppa.mComponent); 4836 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4837 } 4838 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4839 flags | MATCH_DISABLED_COMPONENTS, userId); 4840 if (DEBUG_PREFERRED || debug) { 4841 Slog.v(TAG, "Found persistent preferred activity:"); 4842 if (ai != null) { 4843 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4844 } else { 4845 Slog.v(TAG, " null"); 4846 } 4847 } 4848 if (ai == null) { 4849 // This previously registered persistent preferred activity 4850 // component is no longer known. Ignore it and do NOT remove it. 4851 continue; 4852 } 4853 for (int j=0; j<N; j++) { 4854 final ResolveInfo ri = query.get(j); 4855 if (!ri.activityInfo.applicationInfo.packageName 4856 .equals(ai.applicationInfo.packageName)) { 4857 continue; 4858 } 4859 if (!ri.activityInfo.name.equals(ai.name)) { 4860 continue; 4861 } 4862 // Found a persistent preference that can handle the intent. 4863 if (DEBUG_PREFERRED || debug) { 4864 Slog.v(TAG, "Returning persistent preferred activity: " + 4865 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4866 } 4867 return ri; 4868 } 4869 } 4870 } 4871 return null; 4872 } 4873 4874 // TODO: handle preferred activities missing while user has amnesia 4875 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4876 List<ResolveInfo> query, int priority, boolean always, 4877 boolean removeMatches, boolean debug, int userId) { 4878 if (!sUserManager.exists(userId)) return null; 4879 flags = updateFlagsForResolve(flags, userId, intent); 4880 // writer 4881 synchronized (mPackages) { 4882 if (intent.getSelector() != null) { 4883 intent = intent.getSelector(); 4884 } 4885 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4886 4887 // Try to find a matching persistent preferred activity. 4888 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4889 debug, userId); 4890 4891 // If a persistent preferred activity matched, use it. 4892 if (pri != null) { 4893 return pri; 4894 } 4895 4896 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4897 // Get the list of preferred activities that handle the intent 4898 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4899 List<PreferredActivity> prefs = pir != null 4900 ? pir.queryIntent(intent, resolvedType, 4901 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4902 : null; 4903 if (prefs != null && prefs.size() > 0) { 4904 boolean changed = false; 4905 try { 4906 // First figure out how good the original match set is. 4907 // We will only allow preferred activities that came 4908 // from the same match quality. 4909 int match = 0; 4910 4911 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4912 4913 final int N = query.size(); 4914 for (int j=0; j<N; j++) { 4915 final ResolveInfo ri = query.get(j); 4916 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4917 + ": 0x" + Integer.toHexString(match)); 4918 if (ri.match > match) { 4919 match = ri.match; 4920 } 4921 } 4922 4923 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4924 + Integer.toHexString(match)); 4925 4926 match &= IntentFilter.MATCH_CATEGORY_MASK; 4927 final int M = prefs.size(); 4928 for (int i=0; i<M; i++) { 4929 final PreferredActivity pa = prefs.get(i); 4930 if (DEBUG_PREFERRED || debug) { 4931 Slog.v(TAG, "Checking PreferredActivity ds=" 4932 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4933 + "\n component=" + pa.mPref.mComponent); 4934 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4935 } 4936 if (pa.mPref.mMatch != match) { 4937 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4938 + Integer.toHexString(pa.mPref.mMatch)); 4939 continue; 4940 } 4941 // If it's not an "always" type preferred activity and that's what we're 4942 // looking for, skip it. 4943 if (always && !pa.mPref.mAlways) { 4944 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4945 continue; 4946 } 4947 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4948 flags | MATCH_DISABLED_COMPONENTS, userId); 4949 if (DEBUG_PREFERRED || debug) { 4950 Slog.v(TAG, "Found preferred activity:"); 4951 if (ai != null) { 4952 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4953 } else { 4954 Slog.v(TAG, " null"); 4955 } 4956 } 4957 if (ai == null) { 4958 // This previously registered preferred activity 4959 // component is no longer known. Most likely an update 4960 // to the app was installed and in the new version this 4961 // component no longer exists. Clean it up by removing 4962 // it from the preferred activities list, and skip it. 4963 Slog.w(TAG, "Removing dangling preferred activity: " 4964 + pa.mPref.mComponent); 4965 pir.removeFilter(pa); 4966 changed = true; 4967 continue; 4968 } 4969 for (int j=0; j<N; j++) { 4970 final ResolveInfo ri = query.get(j); 4971 if (!ri.activityInfo.applicationInfo.packageName 4972 .equals(ai.applicationInfo.packageName)) { 4973 continue; 4974 } 4975 if (!ri.activityInfo.name.equals(ai.name)) { 4976 continue; 4977 } 4978 4979 if (removeMatches) { 4980 pir.removeFilter(pa); 4981 changed = true; 4982 if (DEBUG_PREFERRED) { 4983 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4984 } 4985 break; 4986 } 4987 4988 // Okay we found a previously set preferred or last chosen app. 4989 // If the result set is different from when this 4990 // was created, we need to clear it and re-ask the 4991 // user their preference, if we're looking for an "always" type entry. 4992 if (always && !pa.mPref.sameSet(query)) { 4993 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4994 + intent + " type " + resolvedType); 4995 if (DEBUG_PREFERRED) { 4996 Slog.v(TAG, "Removing preferred activity since set changed " 4997 + pa.mPref.mComponent); 4998 } 4999 pir.removeFilter(pa); 5000 // Re-add the filter as a "last chosen" entry (!always) 5001 PreferredActivity lastChosen = new PreferredActivity( 5002 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5003 pir.addFilter(lastChosen); 5004 changed = true; 5005 return null; 5006 } 5007 5008 // Yay! Either the set matched or we're looking for the last chosen 5009 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5010 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5011 return ri; 5012 } 5013 } 5014 } finally { 5015 if (changed) { 5016 if (DEBUG_PREFERRED) { 5017 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5018 } 5019 scheduleWritePackageRestrictionsLocked(userId); 5020 } 5021 } 5022 } 5023 } 5024 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5025 return null; 5026 } 5027 5028 /* 5029 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5030 */ 5031 @Override 5032 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5033 int targetUserId) { 5034 mContext.enforceCallingOrSelfPermission( 5035 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5036 List<CrossProfileIntentFilter> matches = 5037 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5038 if (matches != null) { 5039 int size = matches.size(); 5040 for (int i = 0; i < size; i++) { 5041 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5042 } 5043 } 5044 if (hasWebURI(intent)) { 5045 // cross-profile app linking works only towards the parent. 5046 final UserInfo parent = getProfileParent(sourceUserId); 5047 synchronized(mPackages) { 5048 int flags = updateFlagsForResolve(0, parent.id, intent); 5049 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5050 intent, resolvedType, flags, sourceUserId, parent.id); 5051 return xpDomainInfo != null; 5052 } 5053 } 5054 return false; 5055 } 5056 5057 private UserInfo getProfileParent(int userId) { 5058 final long identity = Binder.clearCallingIdentity(); 5059 try { 5060 return sUserManager.getProfileParent(userId); 5061 } finally { 5062 Binder.restoreCallingIdentity(identity); 5063 } 5064 } 5065 5066 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5067 String resolvedType, int userId) { 5068 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5069 if (resolver != null) { 5070 return resolver.queryIntent(intent, resolvedType, false, userId); 5071 } 5072 return null; 5073 } 5074 5075 @Override 5076 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5077 String resolvedType, int flags, int userId) { 5078 return new ParceledListSlice<>( 5079 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5080 } 5081 5082 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5083 String resolvedType, int flags, int userId) { 5084 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5085 flags = updateFlagsForResolve(flags, userId, intent); 5086 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5087 false /* requireFullPermission */, false /* checkShell */, 5088 "query intent activities"); 5089 ComponentName comp = intent.getComponent(); 5090 if (comp == null) { 5091 if (intent.getSelector() != null) { 5092 intent = intent.getSelector(); 5093 comp = intent.getComponent(); 5094 } 5095 } 5096 5097 if (comp != null) { 5098 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5099 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5100 if (ai != null) { 5101 final ResolveInfo ri = new ResolveInfo(); 5102 ri.activityInfo = ai; 5103 list.add(ri); 5104 } 5105 return list; 5106 } 5107 5108 // reader 5109 synchronized (mPackages) { 5110 final String pkgName = intent.getPackage(); 5111 if (pkgName == null) { 5112 List<CrossProfileIntentFilter> matchingFilters = 5113 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5114 // Check for results that need to skip the current profile. 5115 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5116 resolvedType, flags, userId); 5117 if (xpResolveInfo != null) { 5118 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5119 result.add(xpResolveInfo); 5120 return filterIfNotSystemUser(result, userId); 5121 } 5122 5123 // Check for results in the current profile. 5124 List<ResolveInfo> result = mActivities.queryIntent( 5125 intent, resolvedType, flags, userId); 5126 result = filterIfNotSystemUser(result, userId); 5127 5128 // Check for cross profile results. 5129 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5130 xpResolveInfo = queryCrossProfileIntents( 5131 matchingFilters, intent, resolvedType, flags, userId, 5132 hasNonNegativePriorityResult); 5133 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5134 boolean isVisibleToUser = filterIfNotSystemUser( 5135 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5136 if (isVisibleToUser) { 5137 result.add(xpResolveInfo); 5138 Collections.sort(result, mResolvePrioritySorter); 5139 } 5140 } 5141 if (hasWebURI(intent)) { 5142 CrossProfileDomainInfo xpDomainInfo = null; 5143 final UserInfo parent = getProfileParent(userId); 5144 if (parent != null) { 5145 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5146 flags, userId, parent.id); 5147 } 5148 if (xpDomainInfo != null) { 5149 if (xpResolveInfo != null) { 5150 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5151 // in the result. 5152 result.remove(xpResolveInfo); 5153 } 5154 if (result.size() == 0) { 5155 result.add(xpDomainInfo.resolveInfo); 5156 return result; 5157 } 5158 } else if (result.size() <= 1) { 5159 return result; 5160 } 5161 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5162 xpDomainInfo, userId); 5163 Collections.sort(result, mResolvePrioritySorter); 5164 } 5165 return result; 5166 } 5167 final PackageParser.Package pkg = mPackages.get(pkgName); 5168 if (pkg != null) { 5169 return filterIfNotSystemUser( 5170 mActivities.queryIntentForPackage( 5171 intent, resolvedType, flags, pkg.activities, userId), 5172 userId); 5173 } 5174 return new ArrayList<ResolveInfo>(); 5175 } 5176 } 5177 5178 private static class CrossProfileDomainInfo { 5179 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5180 ResolveInfo resolveInfo; 5181 /* Best domain verification status of the activities found in the other profile */ 5182 int bestDomainVerificationStatus; 5183 } 5184 5185 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5186 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5187 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5188 sourceUserId)) { 5189 return null; 5190 } 5191 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5192 resolvedType, flags, parentUserId); 5193 5194 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5195 return null; 5196 } 5197 CrossProfileDomainInfo result = null; 5198 int size = resultTargetUser.size(); 5199 for (int i = 0; i < size; i++) { 5200 ResolveInfo riTargetUser = resultTargetUser.get(i); 5201 // Intent filter verification is only for filters that specify a host. So don't return 5202 // those that handle all web uris. 5203 if (riTargetUser.handleAllWebDataURI) { 5204 continue; 5205 } 5206 String packageName = riTargetUser.activityInfo.packageName; 5207 PackageSetting ps = mSettings.mPackages.get(packageName); 5208 if (ps == null) { 5209 continue; 5210 } 5211 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5212 int status = (int)(verificationState >> 32); 5213 if (result == null) { 5214 result = new CrossProfileDomainInfo(); 5215 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5216 sourceUserId, parentUserId); 5217 result.bestDomainVerificationStatus = status; 5218 } else { 5219 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5220 result.bestDomainVerificationStatus); 5221 } 5222 } 5223 // Don't consider matches with status NEVER across profiles. 5224 if (result != null && result.bestDomainVerificationStatus 5225 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5226 return null; 5227 } 5228 return result; 5229 } 5230 5231 /** 5232 * Verification statuses are ordered from the worse to the best, except for 5233 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5234 */ 5235 private int bestDomainVerificationStatus(int status1, int status2) { 5236 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5237 return status2; 5238 } 5239 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5240 return status1; 5241 } 5242 return (int) MathUtils.max(status1, status2); 5243 } 5244 5245 private boolean isUserEnabled(int userId) { 5246 long callingId = Binder.clearCallingIdentity(); 5247 try { 5248 UserInfo userInfo = sUserManager.getUserInfo(userId); 5249 return userInfo != null && userInfo.isEnabled(); 5250 } finally { 5251 Binder.restoreCallingIdentity(callingId); 5252 } 5253 } 5254 5255 /** 5256 * Filter out activities with systemUserOnly flag set, when current user is not System. 5257 * 5258 * @return filtered list 5259 */ 5260 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5261 if (userId == UserHandle.USER_SYSTEM) { 5262 return resolveInfos; 5263 } 5264 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5265 ResolveInfo info = resolveInfos.get(i); 5266 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5267 resolveInfos.remove(i); 5268 } 5269 } 5270 return resolveInfos; 5271 } 5272 5273 /** 5274 * @param resolveInfos list of resolve infos in descending priority order 5275 * @return if the list contains a resolve info with non-negative priority 5276 */ 5277 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5278 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5279 } 5280 5281 private static boolean hasWebURI(Intent intent) { 5282 if (intent.getData() == null) { 5283 return false; 5284 } 5285 final String scheme = intent.getScheme(); 5286 if (TextUtils.isEmpty(scheme)) { 5287 return false; 5288 } 5289 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5290 } 5291 5292 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5293 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5294 int userId) { 5295 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5296 5297 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5298 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5299 candidates.size()); 5300 } 5301 5302 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5303 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5304 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5305 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5306 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5307 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5308 5309 synchronized (mPackages) { 5310 final int count = candidates.size(); 5311 // First, try to use linked apps. Partition the candidates into four lists: 5312 // one for the final results, one for the "do not use ever", one for "undefined status" 5313 // and finally one for "browser app type". 5314 for (int n=0; n<count; n++) { 5315 ResolveInfo info = candidates.get(n); 5316 String packageName = info.activityInfo.packageName; 5317 PackageSetting ps = mSettings.mPackages.get(packageName); 5318 if (ps != null) { 5319 // Add to the special match all list (Browser use case) 5320 if (info.handleAllWebDataURI) { 5321 matchAllList.add(info); 5322 continue; 5323 } 5324 // Try to get the status from User settings first 5325 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5326 int status = (int)(packedStatus >> 32); 5327 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5328 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5329 if (DEBUG_DOMAIN_VERIFICATION) { 5330 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5331 + " : linkgen=" + linkGeneration); 5332 } 5333 // Use link-enabled generation as preferredOrder, i.e. 5334 // prefer newly-enabled over earlier-enabled. 5335 info.preferredOrder = linkGeneration; 5336 alwaysList.add(info); 5337 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5338 if (DEBUG_DOMAIN_VERIFICATION) { 5339 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5340 } 5341 neverList.add(info); 5342 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5343 if (DEBUG_DOMAIN_VERIFICATION) { 5344 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5345 } 5346 alwaysAskList.add(info); 5347 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5348 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5349 if (DEBUG_DOMAIN_VERIFICATION) { 5350 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5351 } 5352 undefinedList.add(info); 5353 } 5354 } 5355 } 5356 5357 // We'll want to include browser possibilities in a few cases 5358 boolean includeBrowser = false; 5359 5360 // First try to add the "always" resolution(s) for the current user, if any 5361 if (alwaysList.size() > 0) { 5362 result.addAll(alwaysList); 5363 } else { 5364 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5365 result.addAll(undefinedList); 5366 // Maybe add one for the other profile. 5367 if (xpDomainInfo != null && ( 5368 xpDomainInfo.bestDomainVerificationStatus 5369 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5370 result.add(xpDomainInfo.resolveInfo); 5371 } 5372 includeBrowser = true; 5373 } 5374 5375 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5376 // If there were 'always' entries their preferred order has been set, so we also 5377 // back that off to make the alternatives equivalent 5378 if (alwaysAskList.size() > 0) { 5379 for (ResolveInfo i : result) { 5380 i.preferredOrder = 0; 5381 } 5382 result.addAll(alwaysAskList); 5383 includeBrowser = true; 5384 } 5385 5386 if (includeBrowser) { 5387 // Also add browsers (all of them or only the default one) 5388 if (DEBUG_DOMAIN_VERIFICATION) { 5389 Slog.v(TAG, " ...including browsers in candidate set"); 5390 } 5391 if ((matchFlags & MATCH_ALL) != 0) { 5392 result.addAll(matchAllList); 5393 } else { 5394 // Browser/generic handling case. If there's a default browser, go straight 5395 // to that (but only if there is no other higher-priority match). 5396 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5397 int maxMatchPrio = 0; 5398 ResolveInfo defaultBrowserMatch = null; 5399 final int numCandidates = matchAllList.size(); 5400 for (int n = 0; n < numCandidates; n++) { 5401 ResolveInfo info = matchAllList.get(n); 5402 // track the highest overall match priority... 5403 if (info.priority > maxMatchPrio) { 5404 maxMatchPrio = info.priority; 5405 } 5406 // ...and the highest-priority default browser match 5407 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5408 if (defaultBrowserMatch == null 5409 || (defaultBrowserMatch.priority < info.priority)) { 5410 if (debug) { 5411 Slog.v(TAG, "Considering default browser match " + info); 5412 } 5413 defaultBrowserMatch = info; 5414 } 5415 } 5416 } 5417 if (defaultBrowserMatch != null 5418 && defaultBrowserMatch.priority >= maxMatchPrio 5419 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5420 { 5421 if (debug) { 5422 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5423 } 5424 result.add(defaultBrowserMatch); 5425 } else { 5426 result.addAll(matchAllList); 5427 } 5428 } 5429 5430 // If there is nothing selected, add all candidates and remove the ones that the user 5431 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5432 if (result.size() == 0) { 5433 result.addAll(candidates); 5434 result.removeAll(neverList); 5435 } 5436 } 5437 } 5438 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5439 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5440 result.size()); 5441 for (ResolveInfo info : result) { 5442 Slog.v(TAG, " + " + info.activityInfo); 5443 } 5444 } 5445 return result; 5446 } 5447 5448 // Returns a packed value as a long: 5449 // 5450 // high 'int'-sized word: link status: undefined/ask/never/always. 5451 // low 'int'-sized word: relative priority among 'always' results. 5452 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5453 long result = ps.getDomainVerificationStatusForUser(userId); 5454 // if none available, get the master status 5455 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5456 if (ps.getIntentFilterVerificationInfo() != null) { 5457 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5458 } 5459 } 5460 return result; 5461 } 5462 5463 private ResolveInfo querySkipCurrentProfileIntents( 5464 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5465 int flags, int sourceUserId) { 5466 if (matchingFilters != null) { 5467 int size = matchingFilters.size(); 5468 for (int i = 0; i < size; i ++) { 5469 CrossProfileIntentFilter filter = matchingFilters.get(i); 5470 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5471 // Checking if there are activities in the target user that can handle the 5472 // intent. 5473 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5474 resolvedType, flags, sourceUserId); 5475 if (resolveInfo != null) { 5476 return resolveInfo; 5477 } 5478 } 5479 } 5480 } 5481 return null; 5482 } 5483 5484 // Return matching ResolveInfo in target user if any. 5485 private ResolveInfo queryCrossProfileIntents( 5486 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5487 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5488 if (matchingFilters != null) { 5489 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5490 // match the same intent. For performance reasons, it is better not to 5491 // run queryIntent twice for the same userId 5492 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5493 int size = matchingFilters.size(); 5494 for (int i = 0; i < size; i++) { 5495 CrossProfileIntentFilter filter = matchingFilters.get(i); 5496 int targetUserId = filter.getTargetUserId(); 5497 boolean skipCurrentProfile = 5498 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5499 boolean skipCurrentProfileIfNoMatchFound = 5500 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5501 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5502 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5503 // Checking if there are activities in the target user that can handle the 5504 // intent. 5505 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5506 resolvedType, flags, sourceUserId); 5507 if (resolveInfo != null) return resolveInfo; 5508 alreadyTriedUserIds.put(targetUserId, true); 5509 } 5510 } 5511 } 5512 return null; 5513 } 5514 5515 /** 5516 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5517 * will forward the intent to the filter's target user. 5518 * Otherwise, returns null. 5519 */ 5520 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5521 String resolvedType, int flags, int sourceUserId) { 5522 int targetUserId = filter.getTargetUserId(); 5523 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5524 resolvedType, flags, targetUserId); 5525 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5526 // If all the matches in the target profile are suspended, return null. 5527 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5528 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5529 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5530 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5531 targetUserId); 5532 } 5533 } 5534 } 5535 return null; 5536 } 5537 5538 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5539 int sourceUserId, int targetUserId) { 5540 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5541 long ident = Binder.clearCallingIdentity(); 5542 boolean targetIsProfile; 5543 try { 5544 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5545 } finally { 5546 Binder.restoreCallingIdentity(ident); 5547 } 5548 String className; 5549 if (targetIsProfile) { 5550 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5551 } else { 5552 className = FORWARD_INTENT_TO_PARENT; 5553 } 5554 ComponentName forwardingActivityComponentName = new ComponentName( 5555 mAndroidApplication.packageName, className); 5556 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5557 sourceUserId); 5558 if (!targetIsProfile) { 5559 forwardingActivityInfo.showUserIcon = targetUserId; 5560 forwardingResolveInfo.noResourceId = true; 5561 } 5562 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5563 forwardingResolveInfo.priority = 0; 5564 forwardingResolveInfo.preferredOrder = 0; 5565 forwardingResolveInfo.match = 0; 5566 forwardingResolveInfo.isDefault = true; 5567 forwardingResolveInfo.filter = filter; 5568 forwardingResolveInfo.targetUserId = targetUserId; 5569 return forwardingResolveInfo; 5570 } 5571 5572 @Override 5573 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5574 Intent[] specifics, String[] specificTypes, Intent intent, 5575 String resolvedType, int flags, int userId) { 5576 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5577 specificTypes, intent, resolvedType, flags, userId)); 5578 } 5579 5580 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5581 Intent[] specifics, String[] specificTypes, Intent intent, 5582 String resolvedType, int flags, int userId) { 5583 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5584 flags = updateFlagsForResolve(flags, userId, intent); 5585 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5586 false /* requireFullPermission */, false /* checkShell */, 5587 "query intent activity options"); 5588 final String resultsAction = intent.getAction(); 5589 5590 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5591 | PackageManager.GET_RESOLVED_FILTER, userId); 5592 5593 if (DEBUG_INTENT_MATCHING) { 5594 Log.v(TAG, "Query " + intent + ": " + results); 5595 } 5596 5597 int specificsPos = 0; 5598 int N; 5599 5600 // todo: note that the algorithm used here is O(N^2). This 5601 // isn't a problem in our current environment, but if we start running 5602 // into situations where we have more than 5 or 10 matches then this 5603 // should probably be changed to something smarter... 5604 5605 // First we go through and resolve each of the specific items 5606 // that were supplied, taking care of removing any corresponding 5607 // duplicate items in the generic resolve list. 5608 if (specifics != null) { 5609 for (int i=0; i<specifics.length; i++) { 5610 final Intent sintent = specifics[i]; 5611 if (sintent == null) { 5612 continue; 5613 } 5614 5615 if (DEBUG_INTENT_MATCHING) { 5616 Log.v(TAG, "Specific #" + i + ": " + sintent); 5617 } 5618 5619 String action = sintent.getAction(); 5620 if (resultsAction != null && resultsAction.equals(action)) { 5621 // If this action was explicitly requested, then don't 5622 // remove things that have it. 5623 action = null; 5624 } 5625 5626 ResolveInfo ri = null; 5627 ActivityInfo ai = null; 5628 5629 ComponentName comp = sintent.getComponent(); 5630 if (comp == null) { 5631 ri = resolveIntent( 5632 sintent, 5633 specificTypes != null ? specificTypes[i] : null, 5634 flags, userId); 5635 if (ri == null) { 5636 continue; 5637 } 5638 if (ri == mResolveInfo) { 5639 // ACK! Must do something better with this. 5640 } 5641 ai = ri.activityInfo; 5642 comp = new ComponentName(ai.applicationInfo.packageName, 5643 ai.name); 5644 } else { 5645 ai = getActivityInfo(comp, flags, userId); 5646 if (ai == null) { 5647 continue; 5648 } 5649 } 5650 5651 // Look for any generic query activities that are duplicates 5652 // of this specific one, and remove them from the results. 5653 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5654 N = results.size(); 5655 int j; 5656 for (j=specificsPos; j<N; j++) { 5657 ResolveInfo sri = results.get(j); 5658 if ((sri.activityInfo.name.equals(comp.getClassName()) 5659 && sri.activityInfo.applicationInfo.packageName.equals( 5660 comp.getPackageName())) 5661 || (action != null && sri.filter.matchAction(action))) { 5662 results.remove(j); 5663 if (DEBUG_INTENT_MATCHING) Log.v( 5664 TAG, "Removing duplicate item from " + j 5665 + " due to specific " + specificsPos); 5666 if (ri == null) { 5667 ri = sri; 5668 } 5669 j--; 5670 N--; 5671 } 5672 } 5673 5674 // Add this specific item to its proper place. 5675 if (ri == null) { 5676 ri = new ResolveInfo(); 5677 ri.activityInfo = ai; 5678 } 5679 results.add(specificsPos, ri); 5680 ri.specificIndex = i; 5681 specificsPos++; 5682 } 5683 } 5684 5685 // Now we go through the remaining generic results and remove any 5686 // duplicate actions that are found here. 5687 N = results.size(); 5688 for (int i=specificsPos; i<N-1; i++) { 5689 final ResolveInfo rii = results.get(i); 5690 if (rii.filter == null) { 5691 continue; 5692 } 5693 5694 // Iterate over all of the actions of this result's intent 5695 // filter... typically this should be just one. 5696 final Iterator<String> it = rii.filter.actionsIterator(); 5697 if (it == null) { 5698 continue; 5699 } 5700 while (it.hasNext()) { 5701 final String action = it.next(); 5702 if (resultsAction != null && resultsAction.equals(action)) { 5703 // If this action was explicitly requested, then don't 5704 // remove things that have it. 5705 continue; 5706 } 5707 for (int j=i+1; j<N; j++) { 5708 final ResolveInfo rij = results.get(j); 5709 if (rij.filter != null && rij.filter.hasAction(action)) { 5710 results.remove(j); 5711 if (DEBUG_INTENT_MATCHING) Log.v( 5712 TAG, "Removing duplicate item from " + j 5713 + " due to action " + action + " at " + i); 5714 j--; 5715 N--; 5716 } 5717 } 5718 } 5719 5720 // If the caller didn't request filter information, drop it now 5721 // so we don't have to marshall/unmarshall it. 5722 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5723 rii.filter = null; 5724 } 5725 } 5726 5727 // Filter out the caller activity if so requested. 5728 if (caller != null) { 5729 N = results.size(); 5730 for (int i=0; i<N; i++) { 5731 ActivityInfo ainfo = results.get(i).activityInfo; 5732 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5733 && caller.getClassName().equals(ainfo.name)) { 5734 results.remove(i); 5735 break; 5736 } 5737 } 5738 } 5739 5740 // If the caller didn't request filter information, 5741 // drop them now so we don't have to 5742 // marshall/unmarshall it. 5743 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5744 N = results.size(); 5745 for (int i=0; i<N; i++) { 5746 results.get(i).filter = null; 5747 } 5748 } 5749 5750 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5751 return results; 5752 } 5753 5754 @Override 5755 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5756 String resolvedType, int flags, int userId) { 5757 return new ParceledListSlice<>( 5758 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5759 } 5760 5761 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5762 String resolvedType, int flags, int userId) { 5763 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5764 flags = updateFlagsForResolve(flags, userId, intent); 5765 ComponentName comp = intent.getComponent(); 5766 if (comp == null) { 5767 if (intent.getSelector() != null) { 5768 intent = intent.getSelector(); 5769 comp = intent.getComponent(); 5770 } 5771 } 5772 if (comp != null) { 5773 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5774 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5775 if (ai != null) { 5776 ResolveInfo ri = new ResolveInfo(); 5777 ri.activityInfo = ai; 5778 list.add(ri); 5779 } 5780 return list; 5781 } 5782 5783 // reader 5784 synchronized (mPackages) { 5785 String pkgName = intent.getPackage(); 5786 if (pkgName == null) { 5787 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5788 } 5789 final PackageParser.Package pkg = mPackages.get(pkgName); 5790 if (pkg != null) { 5791 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5792 userId); 5793 } 5794 return Collections.emptyList(); 5795 } 5796 } 5797 5798 @Override 5799 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5800 if (!sUserManager.exists(userId)) return null; 5801 flags = updateFlagsForResolve(flags, userId, intent); 5802 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5803 if (query != null) { 5804 if (query.size() >= 1) { 5805 // If there is more than one service with the same priority, 5806 // just arbitrarily pick the first one. 5807 return query.get(0); 5808 } 5809 } 5810 return null; 5811 } 5812 5813 @Override 5814 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5815 String resolvedType, int flags, int userId) { 5816 return new ParceledListSlice<>( 5817 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5818 } 5819 5820 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5821 String resolvedType, int flags, int userId) { 5822 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5823 flags = updateFlagsForResolve(flags, userId, intent); 5824 ComponentName comp = intent.getComponent(); 5825 if (comp == null) { 5826 if (intent.getSelector() != null) { 5827 intent = intent.getSelector(); 5828 comp = intent.getComponent(); 5829 } 5830 } 5831 if (comp != null) { 5832 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5833 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5834 if (si != null) { 5835 final ResolveInfo ri = new ResolveInfo(); 5836 ri.serviceInfo = si; 5837 list.add(ri); 5838 } 5839 return list; 5840 } 5841 5842 // reader 5843 synchronized (mPackages) { 5844 String pkgName = intent.getPackage(); 5845 if (pkgName == null) { 5846 return mServices.queryIntent(intent, resolvedType, flags, userId); 5847 } 5848 final PackageParser.Package pkg = mPackages.get(pkgName); 5849 if (pkg != null) { 5850 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5851 userId); 5852 } 5853 return Collections.emptyList(); 5854 } 5855 } 5856 5857 @Override 5858 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 5859 String resolvedType, int flags, int userId) { 5860 return new ParceledListSlice<>( 5861 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 5862 } 5863 5864 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 5865 Intent intent, String resolvedType, int flags, int userId) { 5866 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5867 flags = updateFlagsForResolve(flags, userId, intent); 5868 ComponentName comp = intent.getComponent(); 5869 if (comp == null) { 5870 if (intent.getSelector() != null) { 5871 intent = intent.getSelector(); 5872 comp = intent.getComponent(); 5873 } 5874 } 5875 if (comp != null) { 5876 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5877 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5878 if (pi != null) { 5879 final ResolveInfo ri = new ResolveInfo(); 5880 ri.providerInfo = pi; 5881 list.add(ri); 5882 } 5883 return list; 5884 } 5885 5886 // reader 5887 synchronized (mPackages) { 5888 String pkgName = intent.getPackage(); 5889 if (pkgName == null) { 5890 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5891 } 5892 final PackageParser.Package pkg = mPackages.get(pkgName); 5893 if (pkg != null) { 5894 return mProviders.queryIntentForPackage( 5895 intent, resolvedType, flags, pkg.providers, userId); 5896 } 5897 return Collections.emptyList(); 5898 } 5899 } 5900 5901 @Override 5902 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5903 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5904 flags = updateFlagsForPackage(flags, userId, null); 5905 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5906 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5907 true /* requireFullPermission */, false /* checkShell */, 5908 "get installed packages"); 5909 5910 // writer 5911 synchronized (mPackages) { 5912 ArrayList<PackageInfo> list; 5913 if (listUninstalled) { 5914 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5915 for (PackageSetting ps : mSettings.mPackages.values()) { 5916 PackageInfo pi; 5917 if (ps.pkg != null) { 5918 pi = generatePackageInfo(ps.pkg, flags, userId); 5919 } else { 5920 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5921 } 5922 if (pi != null) { 5923 list.add(pi); 5924 } 5925 } 5926 } else { 5927 list = new ArrayList<PackageInfo>(mPackages.size()); 5928 for (PackageParser.Package p : mPackages.values()) { 5929 PackageInfo pi = generatePackageInfo(p, flags, userId); 5930 if (pi != null) { 5931 list.add(pi); 5932 } 5933 } 5934 } 5935 5936 return new ParceledListSlice<PackageInfo>(list); 5937 } 5938 } 5939 5940 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5941 String[] permissions, boolean[] tmp, int flags, int userId) { 5942 int numMatch = 0; 5943 final PermissionsState permissionsState = ps.getPermissionsState(); 5944 for (int i=0; i<permissions.length; i++) { 5945 final String permission = permissions[i]; 5946 if (permissionsState.hasPermission(permission, userId)) { 5947 tmp[i] = true; 5948 numMatch++; 5949 } else { 5950 tmp[i] = false; 5951 } 5952 } 5953 if (numMatch == 0) { 5954 return; 5955 } 5956 PackageInfo pi; 5957 if (ps.pkg != null) { 5958 pi = generatePackageInfo(ps.pkg, flags, userId); 5959 } else { 5960 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5961 } 5962 // The above might return null in cases of uninstalled apps or install-state 5963 // skew across users/profiles. 5964 if (pi != null) { 5965 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5966 if (numMatch == permissions.length) { 5967 pi.requestedPermissions = permissions; 5968 } else { 5969 pi.requestedPermissions = new String[numMatch]; 5970 numMatch = 0; 5971 for (int i=0; i<permissions.length; i++) { 5972 if (tmp[i]) { 5973 pi.requestedPermissions[numMatch] = permissions[i]; 5974 numMatch++; 5975 } 5976 } 5977 } 5978 } 5979 list.add(pi); 5980 } 5981 } 5982 5983 @Override 5984 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5985 String[] permissions, int flags, int userId) { 5986 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5987 flags = updateFlagsForPackage(flags, userId, permissions); 5988 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5989 5990 // writer 5991 synchronized (mPackages) { 5992 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5993 boolean[] tmpBools = new boolean[permissions.length]; 5994 if (listUninstalled) { 5995 for (PackageSetting ps : mSettings.mPackages.values()) { 5996 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5997 } 5998 } else { 5999 for (PackageParser.Package pkg : mPackages.values()) { 6000 PackageSetting ps = (PackageSetting)pkg.mExtras; 6001 if (ps != null) { 6002 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6003 userId); 6004 } 6005 } 6006 } 6007 6008 return new ParceledListSlice<PackageInfo>(list); 6009 } 6010 } 6011 6012 @Override 6013 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6014 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6015 flags = updateFlagsForApplication(flags, userId, null); 6016 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6017 6018 // writer 6019 synchronized (mPackages) { 6020 ArrayList<ApplicationInfo> list; 6021 if (listUninstalled) { 6022 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6023 for (PackageSetting ps : mSettings.mPackages.values()) { 6024 ApplicationInfo ai; 6025 if (ps.pkg != null) { 6026 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6027 ps.readUserState(userId), userId); 6028 } else { 6029 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6030 } 6031 if (ai != null) { 6032 list.add(ai); 6033 } 6034 } 6035 } else { 6036 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6037 for (PackageParser.Package p : mPackages.values()) { 6038 if (p.mExtras != null) { 6039 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6040 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6041 if (ai != null) { 6042 list.add(ai); 6043 } 6044 } 6045 } 6046 } 6047 6048 return new ParceledListSlice<ApplicationInfo>(list); 6049 } 6050 } 6051 6052 @Override 6053 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6054 if (DISABLE_EPHEMERAL_APPS) { 6055 return null; 6056 } 6057 6058 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6059 "getEphemeralApplications"); 6060 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6061 true /* requireFullPermission */, false /* checkShell */, 6062 "getEphemeralApplications"); 6063 synchronized (mPackages) { 6064 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6065 .getEphemeralApplicationsLPw(userId); 6066 if (ephemeralApps != null) { 6067 return new ParceledListSlice<>(ephemeralApps); 6068 } 6069 } 6070 return null; 6071 } 6072 6073 @Override 6074 public boolean isEphemeralApplication(String packageName, int userId) { 6075 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6076 true /* requireFullPermission */, false /* checkShell */, 6077 "isEphemeral"); 6078 if (DISABLE_EPHEMERAL_APPS) { 6079 return false; 6080 } 6081 6082 if (!isCallerSameApp(packageName)) { 6083 return false; 6084 } 6085 synchronized (mPackages) { 6086 PackageParser.Package pkg = mPackages.get(packageName); 6087 if (pkg != null) { 6088 return pkg.applicationInfo.isEphemeralApp(); 6089 } 6090 } 6091 return false; 6092 } 6093 6094 @Override 6095 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6096 if (DISABLE_EPHEMERAL_APPS) { 6097 return null; 6098 } 6099 6100 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6101 true /* requireFullPermission */, false /* checkShell */, 6102 "getCookie"); 6103 if (!isCallerSameApp(packageName)) { 6104 return null; 6105 } 6106 synchronized (mPackages) { 6107 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6108 packageName, userId); 6109 } 6110 } 6111 6112 @Override 6113 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6114 if (DISABLE_EPHEMERAL_APPS) { 6115 return true; 6116 } 6117 6118 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6119 true /* requireFullPermission */, true /* checkShell */, 6120 "setCookie"); 6121 if (!isCallerSameApp(packageName)) { 6122 return false; 6123 } 6124 synchronized (mPackages) { 6125 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6126 packageName, cookie, userId); 6127 } 6128 } 6129 6130 @Override 6131 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6132 if (DISABLE_EPHEMERAL_APPS) { 6133 return null; 6134 } 6135 6136 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6137 "getEphemeralApplicationIcon"); 6138 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6139 true /* requireFullPermission */, false /* checkShell */, 6140 "getEphemeralApplicationIcon"); 6141 synchronized (mPackages) { 6142 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6143 packageName, userId); 6144 } 6145 } 6146 6147 private boolean isCallerSameApp(String packageName) { 6148 PackageParser.Package pkg = mPackages.get(packageName); 6149 return pkg != null 6150 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6151 } 6152 6153 @Override 6154 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6155 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6156 } 6157 6158 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6159 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6160 6161 // reader 6162 synchronized (mPackages) { 6163 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6164 final int userId = UserHandle.getCallingUserId(); 6165 while (i.hasNext()) { 6166 final PackageParser.Package p = i.next(); 6167 if (p.applicationInfo == null) continue; 6168 6169 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6170 && !p.applicationInfo.isDirectBootAware(); 6171 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6172 && p.applicationInfo.isDirectBootAware(); 6173 6174 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6175 && (!mSafeMode || isSystemApp(p)) 6176 && (matchesUnaware || matchesAware)) { 6177 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6178 if (ps != null) { 6179 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6180 ps.readUserState(userId), userId); 6181 if (ai != null) { 6182 finalList.add(ai); 6183 } 6184 } 6185 } 6186 } 6187 } 6188 6189 return finalList; 6190 } 6191 6192 @Override 6193 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6194 if (!sUserManager.exists(userId)) return null; 6195 flags = updateFlagsForComponent(flags, userId, name); 6196 // reader 6197 synchronized (mPackages) { 6198 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6199 PackageSetting ps = provider != null 6200 ? mSettings.mPackages.get(provider.owner.packageName) 6201 : null; 6202 return ps != null 6203 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6204 ? PackageParser.generateProviderInfo(provider, flags, 6205 ps.readUserState(userId), userId) 6206 : null; 6207 } 6208 } 6209 6210 /** 6211 * @deprecated 6212 */ 6213 @Deprecated 6214 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6215 // reader 6216 synchronized (mPackages) { 6217 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6218 .entrySet().iterator(); 6219 final int userId = UserHandle.getCallingUserId(); 6220 while (i.hasNext()) { 6221 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6222 PackageParser.Provider p = entry.getValue(); 6223 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6224 6225 if (ps != null && p.syncable 6226 && (!mSafeMode || (p.info.applicationInfo.flags 6227 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6228 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6229 ps.readUserState(userId), userId); 6230 if (info != null) { 6231 outNames.add(entry.getKey()); 6232 outInfo.add(info); 6233 } 6234 } 6235 } 6236 } 6237 } 6238 6239 @Override 6240 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6241 int uid, int flags) { 6242 final int userId = processName != null ? UserHandle.getUserId(uid) 6243 : UserHandle.getCallingUserId(); 6244 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6245 flags = updateFlagsForComponent(flags, userId, processName); 6246 6247 ArrayList<ProviderInfo> finalList = null; 6248 // reader 6249 synchronized (mPackages) { 6250 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6251 while (i.hasNext()) { 6252 final PackageParser.Provider p = i.next(); 6253 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6254 if (ps != null && p.info.authority != null 6255 && (processName == null 6256 || (p.info.processName.equals(processName) 6257 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6258 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6259 if (finalList == null) { 6260 finalList = new ArrayList<ProviderInfo>(3); 6261 } 6262 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6263 ps.readUserState(userId), userId); 6264 if (info != null) { 6265 finalList.add(info); 6266 } 6267 } 6268 } 6269 } 6270 6271 if (finalList != null) { 6272 Collections.sort(finalList, mProviderInitOrderSorter); 6273 return new ParceledListSlice<ProviderInfo>(finalList); 6274 } 6275 6276 return ParceledListSlice.emptyList(); 6277 } 6278 6279 @Override 6280 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6281 // reader 6282 synchronized (mPackages) { 6283 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6284 return PackageParser.generateInstrumentationInfo(i, flags); 6285 } 6286 } 6287 6288 @Override 6289 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6290 String targetPackage, int flags) { 6291 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6292 } 6293 6294 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6295 int flags) { 6296 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6297 6298 // reader 6299 synchronized (mPackages) { 6300 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6301 while (i.hasNext()) { 6302 final PackageParser.Instrumentation p = i.next(); 6303 if (targetPackage == null 6304 || targetPackage.equals(p.info.targetPackage)) { 6305 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6306 flags); 6307 if (ii != null) { 6308 finalList.add(ii); 6309 } 6310 } 6311 } 6312 } 6313 6314 return finalList; 6315 } 6316 6317 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6318 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6319 if (overlays == null) { 6320 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6321 return; 6322 } 6323 for (PackageParser.Package opkg : overlays.values()) { 6324 // Not much to do if idmap fails: we already logged the error 6325 // and we certainly don't want to abort installation of pkg simply 6326 // because an overlay didn't fit properly. For these reasons, 6327 // ignore the return value of createIdmapForPackagePairLI. 6328 createIdmapForPackagePairLI(pkg, opkg); 6329 } 6330 } 6331 6332 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6333 PackageParser.Package opkg) { 6334 if (!opkg.mTrustedOverlay) { 6335 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6336 opkg.baseCodePath + ": overlay not trusted"); 6337 return false; 6338 } 6339 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6340 if (overlaySet == null) { 6341 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6342 opkg.baseCodePath + " but target package has no known overlays"); 6343 return false; 6344 } 6345 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6346 // TODO: generate idmap for split APKs 6347 try { 6348 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6349 } catch (InstallerException e) { 6350 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6351 + opkg.baseCodePath); 6352 return false; 6353 } 6354 PackageParser.Package[] overlayArray = 6355 overlaySet.values().toArray(new PackageParser.Package[0]); 6356 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6357 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6358 return p1.mOverlayPriority - p2.mOverlayPriority; 6359 } 6360 }; 6361 Arrays.sort(overlayArray, cmp); 6362 6363 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6364 int i = 0; 6365 for (PackageParser.Package p : overlayArray) { 6366 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6367 } 6368 return true; 6369 } 6370 6371 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6372 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6373 try { 6374 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6375 } finally { 6376 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6377 } 6378 } 6379 6380 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6381 final File[] files = dir.listFiles(); 6382 if (ArrayUtils.isEmpty(files)) { 6383 Log.d(TAG, "No files in app dir " + dir); 6384 return; 6385 } 6386 6387 if (DEBUG_PACKAGE_SCANNING) { 6388 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6389 + " flags=0x" + Integer.toHexString(parseFlags)); 6390 } 6391 6392 for (File file : files) { 6393 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6394 && !PackageInstallerService.isStageName(file.getName()); 6395 if (!isPackage) { 6396 // Ignore entries which are not packages 6397 continue; 6398 } 6399 try { 6400 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6401 scanFlags, currentTime, null); 6402 } catch (PackageManagerException e) { 6403 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6404 6405 // Delete invalid userdata apps 6406 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6407 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6408 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6409 removeCodePathLI(file); 6410 } 6411 } 6412 } 6413 } 6414 6415 private static File getSettingsProblemFile() { 6416 File dataDir = Environment.getDataDirectory(); 6417 File systemDir = new File(dataDir, "system"); 6418 File fname = new File(systemDir, "uiderrors.txt"); 6419 return fname; 6420 } 6421 6422 static void reportSettingsProblem(int priority, String msg) { 6423 logCriticalInfo(priority, msg); 6424 } 6425 6426 static void logCriticalInfo(int priority, String msg) { 6427 Slog.println(priority, TAG, msg); 6428 EventLogTags.writePmCriticalInfo(msg); 6429 try { 6430 File fname = getSettingsProblemFile(); 6431 FileOutputStream out = new FileOutputStream(fname, true); 6432 PrintWriter pw = new FastPrintWriter(out); 6433 SimpleDateFormat formatter = new SimpleDateFormat(); 6434 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6435 pw.println(dateString + ": " + msg); 6436 pw.close(); 6437 FileUtils.setPermissions( 6438 fname.toString(), 6439 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6440 -1, -1); 6441 } catch (java.io.IOException e) { 6442 } 6443 } 6444 6445 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6446 int parseFlags) throws PackageManagerException { 6447 if (ps != null 6448 && ps.codePath.equals(srcFile) 6449 && ps.timeStamp == srcFile.lastModified() 6450 && !isCompatSignatureUpdateNeeded(pkg) 6451 && !isRecoverSignatureUpdateNeeded(pkg)) { 6452 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6453 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6454 ArraySet<PublicKey> signingKs; 6455 synchronized (mPackages) { 6456 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6457 } 6458 if (ps.signatures.mSignatures != null 6459 && ps.signatures.mSignatures.length != 0 6460 && signingKs != null) { 6461 // Optimization: reuse the existing cached certificates 6462 // if the package appears to be unchanged. 6463 pkg.mSignatures = ps.signatures.mSignatures; 6464 pkg.mSigningKeys = signingKs; 6465 return; 6466 } 6467 6468 Slog.w(TAG, "PackageSetting for " + ps.name 6469 + " is missing signatures. Collecting certs again to recover them."); 6470 } else { 6471 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6472 } 6473 6474 try { 6475 PackageParser.collectCertificates(pkg, parseFlags); 6476 } catch (PackageParserException e) { 6477 throw PackageManagerException.from(e); 6478 } 6479 } 6480 6481 /** 6482 * Traces a package scan. 6483 * @see #scanPackageLI(File, int, int, long, UserHandle) 6484 */ 6485 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6486 long currentTime, UserHandle user) throws PackageManagerException { 6487 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6488 try { 6489 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6490 } finally { 6491 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6492 } 6493 } 6494 6495 /** 6496 * Scans a package and returns the newly parsed package. 6497 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6498 */ 6499 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6500 long currentTime, UserHandle user) throws PackageManagerException { 6501 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6502 parseFlags |= mDefParseFlags; 6503 PackageParser pp = new PackageParser(); 6504 pp.setSeparateProcesses(mSeparateProcesses); 6505 pp.setOnlyCoreApps(mOnlyCore); 6506 pp.setDisplayMetrics(mMetrics); 6507 6508 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6509 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6510 } 6511 6512 final PackageParser.Package pkg; 6513 try { 6514 pkg = pp.parsePackage(scanFile, parseFlags); 6515 } catch (PackageParserException e) { 6516 throw PackageManagerException.from(e); 6517 } 6518 6519 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6520 } 6521 6522 /** 6523 * Scans a package and returns the newly parsed package. 6524 * @throws PackageManagerException on a parse error. 6525 */ 6526 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6527 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6528 throws PackageManagerException { 6529 // If the package has children and this is the first dive in the function 6530 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6531 // packages (parent and children) would be successfully scanned before the 6532 // actual scan since scanning mutates internal state and we want to atomically 6533 // install the package and its children. 6534 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6535 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6536 scanFlags |= SCAN_CHECK_ONLY; 6537 } 6538 } else { 6539 scanFlags &= ~SCAN_CHECK_ONLY; 6540 } 6541 6542 // Scan the parent 6543 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6544 scanFlags, currentTime, user); 6545 6546 // Scan the children 6547 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6548 for (int i = 0; i < childCount; i++) { 6549 PackageParser.Package childPackage = pkg.childPackages.get(i); 6550 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6551 currentTime, user); 6552 } 6553 6554 6555 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6556 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6557 } 6558 6559 return scannedPkg; 6560 } 6561 6562 /** 6563 * Scans a package and returns the newly parsed package. 6564 * @throws PackageManagerException on a parse error. 6565 */ 6566 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6567 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6568 throws PackageManagerException { 6569 PackageSetting ps = null; 6570 PackageSetting updatedPkg; 6571 // reader 6572 synchronized (mPackages) { 6573 // Look to see if we already know about this package. 6574 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6575 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6576 // This package has been renamed to its original name. Let's 6577 // use that. 6578 ps = mSettings.peekPackageLPr(oldName); 6579 } 6580 // If there was no original package, see one for the real package name. 6581 if (ps == null) { 6582 ps = mSettings.peekPackageLPr(pkg.packageName); 6583 } 6584 // Check to see if this package could be hiding/updating a system 6585 // package. Must look for it either under the original or real 6586 // package name depending on our state. 6587 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6588 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6589 6590 // If this is a package we don't know about on the system partition, we 6591 // may need to remove disabled child packages on the system partition 6592 // or may need to not add child packages if the parent apk is updated 6593 // on the data partition and no longer defines this child package. 6594 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6595 // If this is a parent package for an updated system app and this system 6596 // app got an OTA update which no longer defines some of the child packages 6597 // we have to prune them from the disabled system packages. 6598 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6599 if (disabledPs != null) { 6600 final int scannedChildCount = (pkg.childPackages != null) 6601 ? pkg.childPackages.size() : 0; 6602 final int disabledChildCount = disabledPs.childPackageNames != null 6603 ? disabledPs.childPackageNames.size() : 0; 6604 for (int i = 0; i < disabledChildCount; i++) { 6605 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6606 boolean disabledPackageAvailable = false; 6607 for (int j = 0; j < scannedChildCount; j++) { 6608 PackageParser.Package childPkg = pkg.childPackages.get(j); 6609 if (childPkg.packageName.equals(disabledChildPackageName)) { 6610 disabledPackageAvailable = true; 6611 break; 6612 } 6613 } 6614 if (!disabledPackageAvailable) { 6615 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6616 } 6617 } 6618 } 6619 } 6620 } 6621 6622 boolean updatedPkgBetter = false; 6623 // First check if this is a system package that may involve an update 6624 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6625 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6626 // it needs to drop FLAG_PRIVILEGED. 6627 if (locationIsPrivileged(scanFile)) { 6628 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6629 } else { 6630 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6631 } 6632 6633 if (ps != null && !ps.codePath.equals(scanFile)) { 6634 // The path has changed from what was last scanned... check the 6635 // version of the new path against what we have stored to determine 6636 // what to do. 6637 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6638 if (pkg.mVersionCode <= ps.versionCode) { 6639 // The system package has been updated and the code path does not match 6640 // Ignore entry. Skip it. 6641 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6642 + " ignored: updated version " + ps.versionCode 6643 + " better than this " + pkg.mVersionCode); 6644 if (!updatedPkg.codePath.equals(scanFile)) { 6645 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6646 + ps.name + " changing from " + updatedPkg.codePathString 6647 + " to " + scanFile); 6648 updatedPkg.codePath = scanFile; 6649 updatedPkg.codePathString = scanFile.toString(); 6650 updatedPkg.resourcePath = scanFile; 6651 updatedPkg.resourcePathString = scanFile.toString(); 6652 } 6653 updatedPkg.pkg = pkg; 6654 updatedPkg.versionCode = pkg.mVersionCode; 6655 6656 // Update the disabled system child packages to point to the package too. 6657 final int childCount = updatedPkg.childPackageNames != null 6658 ? updatedPkg.childPackageNames.size() : 0; 6659 for (int i = 0; i < childCount; i++) { 6660 String childPackageName = updatedPkg.childPackageNames.get(i); 6661 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6662 childPackageName); 6663 if (updatedChildPkg != null) { 6664 updatedChildPkg.pkg = pkg; 6665 updatedChildPkg.versionCode = pkg.mVersionCode; 6666 } 6667 } 6668 6669 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6670 + scanFile + " ignored: updated version " + ps.versionCode 6671 + " better than this " + pkg.mVersionCode); 6672 } else { 6673 // The current app on the system partition is better than 6674 // what we have updated to on the data partition; switch 6675 // back to the system partition version. 6676 // At this point, its safely assumed that package installation for 6677 // apps in system partition will go through. If not there won't be a working 6678 // version of the app 6679 // writer 6680 synchronized (mPackages) { 6681 // Just remove the loaded entries from package lists. 6682 mPackages.remove(ps.name); 6683 } 6684 6685 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6686 + " reverting from " + ps.codePathString 6687 + ": new version " + pkg.mVersionCode 6688 + " better than installed " + ps.versionCode); 6689 6690 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6691 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6692 synchronized (mInstallLock) { 6693 args.cleanUpResourcesLI(); 6694 } 6695 synchronized (mPackages) { 6696 mSettings.enableSystemPackageLPw(ps.name); 6697 } 6698 updatedPkgBetter = true; 6699 } 6700 } 6701 } 6702 6703 if (updatedPkg != null) { 6704 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6705 // initially 6706 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6707 6708 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6709 // flag set initially 6710 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6711 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6712 } 6713 } 6714 6715 // Verify certificates against what was last scanned 6716 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6717 6718 /* 6719 * A new system app appeared, but we already had a non-system one of the 6720 * same name installed earlier. 6721 */ 6722 boolean shouldHideSystemApp = false; 6723 if (updatedPkg == null && ps != null 6724 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6725 /* 6726 * Check to make sure the signatures match first. If they don't, 6727 * wipe the installed application and its data. 6728 */ 6729 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6730 != PackageManager.SIGNATURE_MATCH) { 6731 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6732 + " signatures don't match existing userdata copy; removing"); 6733 deletePackageLI(pkg.packageName, null, true, null, 0, null, false, null); 6734 ps = null; 6735 } else { 6736 /* 6737 * If the newly-added system app is an older version than the 6738 * already installed version, hide it. It will be scanned later 6739 * and re-added like an update. 6740 */ 6741 if (pkg.mVersionCode <= ps.versionCode) { 6742 shouldHideSystemApp = true; 6743 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6744 + " but new version " + pkg.mVersionCode + " better than installed " 6745 + ps.versionCode + "; hiding system"); 6746 } else { 6747 /* 6748 * The newly found system app is a newer version that the 6749 * one previously installed. Simply remove the 6750 * already-installed application and replace it with our own 6751 * while keeping the application data. 6752 */ 6753 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6754 + " reverting from " + ps.codePathString + ": new version " 6755 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6756 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6757 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6758 synchronized (mInstallLock) { 6759 args.cleanUpResourcesLI(); 6760 } 6761 } 6762 } 6763 } 6764 6765 // The apk is forward locked (not public) if its code and resources 6766 // are kept in different files. (except for app in either system or 6767 // vendor path). 6768 // TODO grab this value from PackageSettings 6769 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6770 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6771 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6772 } 6773 } 6774 6775 // TODO: extend to support forward-locked splits 6776 String resourcePath = null; 6777 String baseResourcePath = null; 6778 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6779 if (ps != null && ps.resourcePathString != null) { 6780 resourcePath = ps.resourcePathString; 6781 baseResourcePath = ps.resourcePathString; 6782 } else { 6783 // Should not happen at all. Just log an error. 6784 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6785 } 6786 } else { 6787 resourcePath = pkg.codePath; 6788 baseResourcePath = pkg.baseCodePath; 6789 } 6790 6791 // Set application objects path explicitly. 6792 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6793 pkg.setApplicationInfoCodePath(pkg.codePath); 6794 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6795 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6796 pkg.setApplicationInfoResourcePath(resourcePath); 6797 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6798 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6799 6800 // Note that we invoke the following method only if we are about to unpack an application 6801 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6802 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6803 6804 /* 6805 * If the system app should be overridden by a previously installed 6806 * data, hide the system app now and let the /data/app scan pick it up 6807 * again. 6808 */ 6809 if (shouldHideSystemApp) { 6810 synchronized (mPackages) { 6811 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6812 } 6813 } 6814 6815 return scannedPkg; 6816 } 6817 6818 private static String fixProcessName(String defProcessName, 6819 String processName, int uid) { 6820 if (processName == null) { 6821 return defProcessName; 6822 } 6823 return processName; 6824 } 6825 6826 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6827 throws PackageManagerException { 6828 if (pkgSetting.signatures.mSignatures != null) { 6829 // Already existing package. Make sure signatures match 6830 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6831 == PackageManager.SIGNATURE_MATCH; 6832 if (!match) { 6833 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6834 == PackageManager.SIGNATURE_MATCH; 6835 } 6836 if (!match) { 6837 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6838 == PackageManager.SIGNATURE_MATCH; 6839 } 6840 if (!match) { 6841 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6842 + pkg.packageName + " signatures do not match the " 6843 + "previously installed version; ignoring!"); 6844 } 6845 } 6846 6847 // Check for shared user signatures 6848 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6849 // Already existing package. Make sure signatures match 6850 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6851 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6852 if (!match) { 6853 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6854 == PackageManager.SIGNATURE_MATCH; 6855 } 6856 if (!match) { 6857 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6858 == PackageManager.SIGNATURE_MATCH; 6859 } 6860 if (!match) { 6861 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6862 "Package " + pkg.packageName 6863 + " has no signatures that match those in shared user " 6864 + pkgSetting.sharedUser.name + "; ignoring!"); 6865 } 6866 } 6867 } 6868 6869 /** 6870 * Enforces that only the system UID or root's UID can call a method exposed 6871 * via Binder. 6872 * 6873 * @param message used as message if SecurityException is thrown 6874 * @throws SecurityException if the caller is not system or root 6875 */ 6876 private static final void enforceSystemOrRoot(String message) { 6877 final int uid = Binder.getCallingUid(); 6878 if (uid != Process.SYSTEM_UID && uid != 0) { 6879 throw new SecurityException(message); 6880 } 6881 } 6882 6883 @Override 6884 public void performFstrimIfNeeded() { 6885 enforceSystemOrRoot("Only the system can request fstrim"); 6886 6887 // Before everything else, see whether we need to fstrim. 6888 try { 6889 IMountService ms = PackageHelper.getMountService(); 6890 if (ms != null) { 6891 final boolean isUpgrade = isUpgrade(); 6892 boolean doTrim = isUpgrade; 6893 if (doTrim) { 6894 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6895 } else { 6896 final long interval = android.provider.Settings.Global.getLong( 6897 mContext.getContentResolver(), 6898 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6899 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6900 if (interval > 0) { 6901 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6902 if (timeSinceLast > interval) { 6903 doTrim = true; 6904 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6905 + "; running immediately"); 6906 } 6907 } 6908 } 6909 if (doTrim) { 6910 if (!isFirstBoot()) { 6911 try { 6912 ActivityManagerNative.getDefault().showBootMessage( 6913 mContext.getResources().getString( 6914 R.string.android_upgrading_fstrim), true); 6915 } catch (RemoteException e) { 6916 } 6917 } 6918 ms.runMaintenance(); 6919 } 6920 } else { 6921 Slog.e(TAG, "Mount service unavailable!"); 6922 } 6923 } catch (RemoteException e) { 6924 // Can't happen; MountService is local 6925 } 6926 } 6927 6928 @Override 6929 public void extractPackagesIfNeeded() { 6930 enforceSystemOrRoot("Only the system can request package extraction"); 6931 6932 // We need to re-extract after an OTA. 6933 boolean causeUpgrade = isUpgrade(); 6934 6935 // First boot or factory reset. 6936 // Note: we also handle devices that are upgrading to N right now as if it is their 6937 // first boot, as they do not have profile data. 6938 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 6939 6940 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 6941 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 6942 6943 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 6944 return; 6945 } 6946 6947 List<PackageParser.Package> pkgs; 6948 synchronized (mPackages) { 6949 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 6950 } 6951 6952 int curr = 0; 6953 int total = pkgs.size(); 6954 for (PackageParser.Package pkg : pkgs) { 6955 curr++; 6956 6957 if (DEBUG_DEXOPT) { 6958 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 6959 } 6960 6961 if (!isFirstBoot()) { 6962 try { 6963 ActivityManagerNative.getDefault().showBootMessage( 6964 mContext.getResources().getString(R.string.android_upgrading_apk, 6965 curr, total), true); 6966 } catch (RemoteException e) { 6967 } 6968 } 6969 6970 if (PackageDexOptimizer.canOptimizePackage(pkg)) { 6971 // If the cache was pruned, any compiled odex files will likely be out of date 6972 // and would have to be patched (would be SELF_PATCHOAT, which is deprecated). 6973 // Instead, force the extraction in this case. 6974 performDexOpt(pkg.packageName, 6975 null /* instructionSet */, 6976 false /* checkProfiles */, 6977 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 6978 false /* force */); 6979 } 6980 } 6981 } 6982 6983 @Override 6984 public void notifyPackageUse(String packageName) { 6985 synchronized (mPackages) { 6986 PackageParser.Package p = mPackages.get(packageName); 6987 if (p == null) { 6988 return; 6989 } 6990 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6991 } 6992 } 6993 6994 // TODO: this is not used nor needed. Delete it. 6995 @Override 6996 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6997 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 6998 getFullCompilerFilter(), false /* force */); 6999 } 7000 7001 @Override 7002 public boolean performDexOpt(String packageName, String instructionSet, 7003 boolean checkProfiles, int compileReason, boolean force) { 7004 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7005 getCompilerFilterForReason(compileReason), force); 7006 } 7007 7008 @Override 7009 public boolean performDexOptMode(String packageName, String instructionSet, 7010 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7011 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7012 targetCompilerFilter, force); 7013 } 7014 7015 private boolean performDexOptTraced(String packageName, String instructionSet, 7016 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7017 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7018 try { 7019 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7020 targetCompilerFilter, force); 7021 } finally { 7022 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7023 } 7024 } 7025 7026 private boolean performDexOptInternal(String packageName, String instructionSet, 7027 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7028 PackageParser.Package p; 7029 final String targetInstructionSet; 7030 synchronized (mPackages) { 7031 p = mPackages.get(packageName); 7032 if (p == null) { 7033 return false; 7034 } 7035 mPackageUsage.write(false); 7036 7037 targetInstructionSet = instructionSet != null ? instructionSet : 7038 getPrimaryInstructionSet(p.applicationInfo); 7039 } 7040 long callingId = Binder.clearCallingIdentity(); 7041 try { 7042 synchronized (mInstallLock) { 7043 final String[] instructionSets = new String[] { targetInstructionSet }; 7044 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7045 checkProfiles, targetCompilerFilter, force); 7046 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 7047 } 7048 } finally { 7049 Binder.restoreCallingIdentity(callingId); 7050 } 7051 } 7052 7053 public ArraySet<String> getOptimizablePackages() { 7054 ArraySet<String> pkgs = new ArraySet<String>(); 7055 synchronized (mPackages) { 7056 for (PackageParser.Package p : mPackages.values()) { 7057 if (PackageDexOptimizer.canOptimizePackage(p)) { 7058 pkgs.add(p.packageName); 7059 } 7060 } 7061 } 7062 return pkgs; 7063 } 7064 7065 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7066 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7067 boolean force) { 7068 // Select the dex optimizer based on the force parameter. 7069 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7070 // allocate an object here. 7071 PackageDexOptimizer pdo = force 7072 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7073 : mPackageDexOptimizer; 7074 7075 // Optimize all dependencies first. Note: we ignore the return value and march on 7076 // on errors. 7077 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7078 if (!deps.isEmpty()) { 7079 for (PackageParser.Package depPackage : deps) { 7080 // TODO: Analyze and investigate if we (should) profile libraries. 7081 // Currently this will do a full compilation of the library by default. 7082 pdo.performDexOpt(depPackage, instructionSets, false /* checkProfiles */, 7083 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7084 } 7085 } 7086 7087 return pdo.performDexOpt(p, instructionSets, checkProfiles, targetCompilerFilter); 7088 } 7089 7090 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7091 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7092 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7093 Set<String> collectedNames = new HashSet<>(); 7094 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7095 7096 retValue.remove(p); 7097 7098 return retValue; 7099 } else { 7100 return Collections.emptyList(); 7101 } 7102 } 7103 7104 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7105 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7106 if (!collectedNames.contains(p.packageName)) { 7107 collectedNames.add(p.packageName); 7108 collected.add(p); 7109 7110 if (p.usesLibraries != null) { 7111 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7112 } 7113 if (p.usesOptionalLibraries != null) { 7114 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7115 collectedNames); 7116 } 7117 } 7118 } 7119 7120 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7121 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7122 for (String libName : libs) { 7123 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7124 if (libPkg != null) { 7125 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7126 } 7127 } 7128 } 7129 7130 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7131 synchronized (mPackages) { 7132 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7133 if (lib != null && lib.apk != null) { 7134 return mPackages.get(lib.apk); 7135 } 7136 } 7137 return null; 7138 } 7139 7140 public void shutdown() { 7141 mPackageUsage.write(true); 7142 } 7143 7144 @Override 7145 public void forceDexOpt(String packageName) { 7146 enforceSystemOrRoot("forceDexOpt"); 7147 7148 PackageParser.Package pkg; 7149 synchronized (mPackages) { 7150 pkg = mPackages.get(packageName); 7151 if (pkg == null) { 7152 throw new IllegalArgumentException("Unknown package: " + packageName); 7153 } 7154 } 7155 7156 synchronized (mInstallLock) { 7157 final String[] instructionSets = new String[] { 7158 getPrimaryInstructionSet(pkg.applicationInfo) }; 7159 7160 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7161 7162 // Whoever is calling forceDexOpt wants a fully compiled package. 7163 // Don't use profiles since that may cause compilation to be skipped. 7164 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7165 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7166 true /* force */); 7167 7168 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7169 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7170 throw new IllegalStateException("Failed to dexopt: " + res); 7171 } 7172 } 7173 } 7174 7175 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7176 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7177 Slog.w(TAG, "Unable to update from " + oldPkg.name 7178 + " to " + newPkg.packageName 7179 + ": old package not in system partition"); 7180 return false; 7181 } else if (mPackages.get(oldPkg.name) != null) { 7182 Slog.w(TAG, "Unable to update from " + oldPkg.name 7183 + " to " + newPkg.packageName 7184 + ": old package still exists"); 7185 return false; 7186 } 7187 return true; 7188 } 7189 7190 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7191 // TODO: triage flags as part of 26466827 7192 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7193 7194 boolean res = true; 7195 final int[] users = sUserManager.getUserIds(); 7196 for (int user : users) { 7197 try { 7198 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7199 } catch (InstallerException e) { 7200 Slog.w(TAG, "Failed to delete data directory", e); 7201 res = false; 7202 } 7203 } 7204 return res; 7205 } 7206 7207 void removeCodePathLI(File codePath) { 7208 if (codePath.isDirectory()) { 7209 try { 7210 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7211 } catch (InstallerException e) { 7212 Slog.w(TAG, "Failed to remove code path", e); 7213 } 7214 } else { 7215 codePath.delete(); 7216 } 7217 } 7218 7219 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7220 try { 7221 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7222 } catch (InstallerException e) { 7223 Slog.w(TAG, "Failed to destroy app data", e); 7224 } 7225 } 7226 7227 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7228 int appId, String seinfo) { 7229 try { 7230 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7231 } catch (InstallerException e) { 7232 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7233 } 7234 } 7235 7236 private void deleteProfilesLI(String packageName, boolean destroy) { 7237 final PackageParser.Package pkg; 7238 synchronized (mPackages) { 7239 pkg = mPackages.get(packageName); 7240 } 7241 if (pkg == null) { 7242 Slog.w(TAG, "Failed to delete profiles. No package: " + packageName); 7243 return; 7244 } 7245 deleteProfilesLI(pkg, destroy); 7246 } 7247 7248 private void deleteProfilesLI(PackageParser.Package pkg, boolean destroy) { 7249 try { 7250 if (destroy) { 7251 mInstaller.clearAppProfiles(pkg.packageName); 7252 } else { 7253 mInstaller.destroyAppProfiles(pkg.packageName); 7254 } 7255 } catch (InstallerException ex) { 7256 Log.e(TAG, "Could not delete profiles for package " + pkg.packageName); 7257 } 7258 } 7259 7260 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7261 final PackageParser.Package pkg; 7262 synchronized (mPackages) { 7263 pkg = mPackages.get(packageName); 7264 } 7265 if (pkg == null) { 7266 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7267 return; 7268 } 7269 deleteCodeCacheDirsLI(pkg); 7270 } 7271 7272 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7273 // TODO: triage flags as part of 26466827 7274 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7275 7276 int[] users = sUserManager.getUserIds(); 7277 int res = 0; 7278 for (int user : users) { 7279 // Remove the parent code cache 7280 try { 7281 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7282 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7283 } catch (InstallerException e) { 7284 Slog.w(TAG, "Failed to delete code cache directory", e); 7285 } 7286 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7287 for (int i = 0; i < childCount; i++) { 7288 PackageParser.Package childPkg = pkg.childPackages.get(i); 7289 // Remove the child code cache 7290 try { 7291 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7292 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7293 } catch (InstallerException e) { 7294 Slog.w(TAG, "Failed to delete code cache directory", e); 7295 } 7296 } 7297 } 7298 } 7299 7300 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7301 long lastUpdateTime) { 7302 // Set parent install/update time 7303 PackageSetting ps = (PackageSetting) pkg.mExtras; 7304 if (ps != null) { 7305 ps.firstInstallTime = firstInstallTime; 7306 ps.lastUpdateTime = lastUpdateTime; 7307 } 7308 // Set children install/update time 7309 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7310 for (int i = 0; i < childCount; i++) { 7311 PackageParser.Package childPkg = pkg.childPackages.get(i); 7312 ps = (PackageSetting) childPkg.mExtras; 7313 if (ps != null) { 7314 ps.firstInstallTime = firstInstallTime; 7315 ps.lastUpdateTime = lastUpdateTime; 7316 } 7317 } 7318 } 7319 7320 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7321 PackageParser.Package changingLib) { 7322 if (file.path != null) { 7323 usesLibraryFiles.add(file.path); 7324 return; 7325 } 7326 PackageParser.Package p = mPackages.get(file.apk); 7327 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7328 // If we are doing this while in the middle of updating a library apk, 7329 // then we need to make sure to use that new apk for determining the 7330 // dependencies here. (We haven't yet finished committing the new apk 7331 // to the package manager state.) 7332 if (p == null || p.packageName.equals(changingLib.packageName)) { 7333 p = changingLib; 7334 } 7335 } 7336 if (p != null) { 7337 usesLibraryFiles.addAll(p.getAllCodePaths()); 7338 } 7339 } 7340 7341 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7342 PackageParser.Package changingLib) throws PackageManagerException { 7343 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7344 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7345 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7346 for (int i=0; i<N; i++) { 7347 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7348 if (file == null) { 7349 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7350 "Package " + pkg.packageName + " requires unavailable shared library " 7351 + pkg.usesLibraries.get(i) + "; failing!"); 7352 } 7353 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7354 } 7355 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7356 for (int i=0; i<N; i++) { 7357 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7358 if (file == null) { 7359 Slog.w(TAG, "Package " + pkg.packageName 7360 + " desires unavailable shared library " 7361 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7362 } else { 7363 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7364 } 7365 } 7366 N = usesLibraryFiles.size(); 7367 if (N > 0) { 7368 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7369 } else { 7370 pkg.usesLibraryFiles = null; 7371 } 7372 } 7373 } 7374 7375 private static boolean hasString(List<String> list, List<String> which) { 7376 if (list == null) { 7377 return false; 7378 } 7379 for (int i=list.size()-1; i>=0; i--) { 7380 for (int j=which.size()-1; j>=0; j--) { 7381 if (which.get(j).equals(list.get(i))) { 7382 return true; 7383 } 7384 } 7385 } 7386 return false; 7387 } 7388 7389 private void updateAllSharedLibrariesLPw() { 7390 for (PackageParser.Package pkg : mPackages.values()) { 7391 try { 7392 updateSharedLibrariesLPw(pkg, null); 7393 } catch (PackageManagerException e) { 7394 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7395 } 7396 } 7397 } 7398 7399 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7400 PackageParser.Package changingPkg) { 7401 ArrayList<PackageParser.Package> res = null; 7402 for (PackageParser.Package pkg : mPackages.values()) { 7403 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7404 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7405 if (res == null) { 7406 res = new ArrayList<PackageParser.Package>(); 7407 } 7408 res.add(pkg); 7409 try { 7410 updateSharedLibrariesLPw(pkg, changingPkg); 7411 } catch (PackageManagerException e) { 7412 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7413 } 7414 } 7415 } 7416 return res; 7417 } 7418 7419 /** 7420 * Derive the value of the {@code cpuAbiOverride} based on the provided 7421 * value and an optional stored value from the package settings. 7422 */ 7423 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7424 String cpuAbiOverride = null; 7425 7426 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7427 cpuAbiOverride = null; 7428 } else if (abiOverride != null) { 7429 cpuAbiOverride = abiOverride; 7430 } else if (settings != null) { 7431 cpuAbiOverride = settings.cpuAbiOverrideString; 7432 } 7433 7434 return cpuAbiOverride; 7435 } 7436 7437 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7438 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7439 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7440 // If the package has children and this is the first dive in the function 7441 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7442 // whether all packages (parent and children) would be successfully scanned 7443 // before the actual scan since scanning mutates internal state and we want 7444 // to atomically install the package and its children. 7445 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7446 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7447 scanFlags |= SCAN_CHECK_ONLY; 7448 } 7449 } else { 7450 scanFlags &= ~SCAN_CHECK_ONLY; 7451 } 7452 7453 final PackageParser.Package scannedPkg; 7454 try { 7455 // Scan the parent 7456 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7457 // Scan the children 7458 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7459 for (int i = 0; i < childCount; i++) { 7460 PackageParser.Package childPkg = pkg.childPackages.get(i); 7461 scanPackageLI(childPkg, parseFlags, 7462 scanFlags, currentTime, user); 7463 } 7464 } finally { 7465 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7466 } 7467 7468 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7469 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7470 } 7471 7472 return scannedPkg; 7473 } 7474 7475 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7476 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7477 boolean success = false; 7478 try { 7479 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7480 currentTime, user); 7481 success = true; 7482 return res; 7483 } finally { 7484 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7485 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7486 } 7487 } 7488 } 7489 7490 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7491 int scanFlags, long currentTime, UserHandle user) 7492 throws PackageManagerException { 7493 final File scanFile = new File(pkg.codePath); 7494 if (pkg.applicationInfo.getCodePath() == null || 7495 pkg.applicationInfo.getResourcePath() == null) { 7496 // Bail out. The resource and code paths haven't been set. 7497 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7498 "Code and resource paths haven't been set correctly"); 7499 } 7500 7501 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7502 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7503 } else { 7504 // Only allow system apps to be flagged as core apps. 7505 pkg.coreApp = false; 7506 } 7507 7508 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7509 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7510 } 7511 7512 if (mCustomResolverComponentName != null && 7513 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7514 setUpCustomResolverActivity(pkg); 7515 } 7516 7517 if (pkg.packageName.equals("android")) { 7518 synchronized (mPackages) { 7519 if (mAndroidApplication != null) { 7520 Slog.w(TAG, "*************************************************"); 7521 Slog.w(TAG, "Core android package being redefined. Skipping."); 7522 Slog.w(TAG, " file=" + scanFile); 7523 Slog.w(TAG, "*************************************************"); 7524 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7525 "Core android package being redefined. Skipping."); 7526 } 7527 7528 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7529 // Set up information for our fall-back user intent resolution activity. 7530 mPlatformPackage = pkg; 7531 pkg.mVersionCode = mSdkVersion; 7532 mAndroidApplication = pkg.applicationInfo; 7533 7534 if (!mResolverReplaced) { 7535 mResolveActivity.applicationInfo = mAndroidApplication; 7536 mResolveActivity.name = ResolverActivity.class.getName(); 7537 mResolveActivity.packageName = mAndroidApplication.packageName; 7538 mResolveActivity.processName = "system:ui"; 7539 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7540 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7541 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7542 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7543 mResolveActivity.exported = true; 7544 mResolveActivity.enabled = true; 7545 mResolveInfo.activityInfo = mResolveActivity; 7546 mResolveInfo.priority = 0; 7547 mResolveInfo.preferredOrder = 0; 7548 mResolveInfo.match = 0; 7549 mResolveComponentName = new ComponentName( 7550 mAndroidApplication.packageName, mResolveActivity.name); 7551 } 7552 } 7553 } 7554 } 7555 7556 if (DEBUG_PACKAGE_SCANNING) { 7557 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7558 Log.d(TAG, "Scanning package " + pkg.packageName); 7559 } 7560 7561 synchronized (mPackages) { 7562 if (mPackages.containsKey(pkg.packageName) 7563 || mSharedLibraries.containsKey(pkg.packageName)) { 7564 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7565 "Application package " + pkg.packageName 7566 + " already installed. Skipping duplicate."); 7567 } 7568 7569 // If we're only installing presumed-existing packages, require that the 7570 // scanned APK is both already known and at the path previously established 7571 // for it. Previously unknown packages we pick up normally, but if we have an 7572 // a priori expectation about this package's install presence, enforce it. 7573 // With a singular exception for new system packages. When an OTA contains 7574 // a new system package, we allow the codepath to change from a system location 7575 // to the user-installed location. If we don't allow this change, any newer, 7576 // user-installed version of the application will be ignored. 7577 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7578 if (mExpectingBetter.containsKey(pkg.packageName)) { 7579 logCriticalInfo(Log.WARN, 7580 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7581 } else { 7582 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7583 if (known != null) { 7584 if (DEBUG_PACKAGE_SCANNING) { 7585 Log.d(TAG, "Examining " + pkg.codePath 7586 + " and requiring known paths " + known.codePathString 7587 + " & " + known.resourcePathString); 7588 } 7589 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7590 || !pkg.applicationInfo.getResourcePath().equals( 7591 known.resourcePathString)) { 7592 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7593 "Application package " + pkg.packageName 7594 + " found at " + pkg.applicationInfo.getCodePath() 7595 + " but expected at " + known.codePathString 7596 + "; ignoring."); 7597 } 7598 } 7599 } 7600 } 7601 } 7602 7603 // Initialize package source and resource directories 7604 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7605 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7606 7607 SharedUserSetting suid = null; 7608 PackageSetting pkgSetting = null; 7609 7610 if (!isSystemApp(pkg)) { 7611 // Only system apps can use these features. 7612 pkg.mOriginalPackages = null; 7613 pkg.mRealPackage = null; 7614 pkg.mAdoptPermissions = null; 7615 } 7616 7617 // Getting the package setting may have a side-effect, so if we 7618 // are only checking if scan would succeed, stash a copy of the 7619 // old setting to restore at the end. 7620 PackageSetting nonMutatedPs = null; 7621 7622 // writer 7623 synchronized (mPackages) { 7624 if (pkg.mSharedUserId != null) { 7625 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7626 if (suid == null) { 7627 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7628 "Creating application package " + pkg.packageName 7629 + " for shared user failed"); 7630 } 7631 if (DEBUG_PACKAGE_SCANNING) { 7632 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7633 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7634 + "): packages=" + suid.packages); 7635 } 7636 } 7637 7638 // Check if we are renaming from an original package name. 7639 PackageSetting origPackage = null; 7640 String realName = null; 7641 if (pkg.mOriginalPackages != null) { 7642 // This package may need to be renamed to a previously 7643 // installed name. Let's check on that... 7644 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7645 if (pkg.mOriginalPackages.contains(renamed)) { 7646 // This package had originally been installed as the 7647 // original name, and we have already taken care of 7648 // transitioning to the new one. Just update the new 7649 // one to continue using the old name. 7650 realName = pkg.mRealPackage; 7651 if (!pkg.packageName.equals(renamed)) { 7652 // Callers into this function may have already taken 7653 // care of renaming the package; only do it here if 7654 // it is not already done. 7655 pkg.setPackageName(renamed); 7656 } 7657 7658 } else { 7659 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7660 if ((origPackage = mSettings.peekPackageLPr( 7661 pkg.mOriginalPackages.get(i))) != null) { 7662 // We do have the package already installed under its 7663 // original name... should we use it? 7664 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7665 // New package is not compatible with original. 7666 origPackage = null; 7667 continue; 7668 } else if (origPackage.sharedUser != null) { 7669 // Make sure uid is compatible between packages. 7670 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7671 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7672 + " to " + pkg.packageName + ": old uid " 7673 + origPackage.sharedUser.name 7674 + " differs from " + pkg.mSharedUserId); 7675 origPackage = null; 7676 continue; 7677 } 7678 } else { 7679 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7680 + pkg.packageName + " to old name " + origPackage.name); 7681 } 7682 break; 7683 } 7684 } 7685 } 7686 } 7687 7688 if (mTransferedPackages.contains(pkg.packageName)) { 7689 Slog.w(TAG, "Package " + pkg.packageName 7690 + " was transferred to another, but its .apk remains"); 7691 } 7692 7693 // See comments in nonMutatedPs declaration 7694 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7695 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7696 if (foundPs != null) { 7697 nonMutatedPs = new PackageSetting(foundPs); 7698 } 7699 } 7700 7701 // Just create the setting, don't add it yet. For already existing packages 7702 // the PkgSetting exists already and doesn't have to be created. 7703 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7704 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7705 pkg.applicationInfo.primaryCpuAbi, 7706 pkg.applicationInfo.secondaryCpuAbi, 7707 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7708 user, false); 7709 if (pkgSetting == null) { 7710 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7711 "Creating application package " + pkg.packageName + " failed"); 7712 } 7713 7714 if (pkgSetting.origPackage != null) { 7715 // If we are first transitioning from an original package, 7716 // fix up the new package's name now. We need to do this after 7717 // looking up the package under its new name, so getPackageLP 7718 // can take care of fiddling things correctly. 7719 pkg.setPackageName(origPackage.name); 7720 7721 // File a report about this. 7722 String msg = "New package " + pkgSetting.realName 7723 + " renamed to replace old package " + pkgSetting.name; 7724 reportSettingsProblem(Log.WARN, msg); 7725 7726 // Make a note of it. 7727 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7728 mTransferedPackages.add(origPackage.name); 7729 } 7730 7731 // No longer need to retain this. 7732 pkgSetting.origPackage = null; 7733 } 7734 7735 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7736 // Make a note of it. 7737 mTransferedPackages.add(pkg.packageName); 7738 } 7739 7740 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7741 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7742 } 7743 7744 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7745 // Check all shared libraries and map to their actual file path. 7746 // We only do this here for apps not on a system dir, because those 7747 // are the only ones that can fail an install due to this. We 7748 // will take care of the system apps by updating all of their 7749 // library paths after the scan is done. 7750 updateSharedLibrariesLPw(pkg, null); 7751 } 7752 7753 if (mFoundPolicyFile) { 7754 SELinuxMMAC.assignSeinfoValue(pkg); 7755 } 7756 7757 pkg.applicationInfo.uid = pkgSetting.appId; 7758 pkg.mExtras = pkgSetting; 7759 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7760 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7761 // We just determined the app is signed correctly, so bring 7762 // over the latest parsed certs. 7763 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7764 } else { 7765 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7766 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7767 "Package " + pkg.packageName + " upgrade keys do not match the " 7768 + "previously installed version"); 7769 } else { 7770 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7771 String msg = "System package " + pkg.packageName 7772 + " signature changed; retaining data."; 7773 reportSettingsProblem(Log.WARN, msg); 7774 } 7775 } 7776 } else { 7777 try { 7778 verifySignaturesLP(pkgSetting, pkg); 7779 // We just determined the app is signed correctly, so bring 7780 // over the latest parsed certs. 7781 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7782 } catch (PackageManagerException e) { 7783 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7784 throw e; 7785 } 7786 // The signature has changed, but this package is in the system 7787 // image... let's recover! 7788 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7789 // However... if this package is part of a shared user, but it 7790 // doesn't match the signature of the shared user, let's fail. 7791 // What this means is that you can't change the signatures 7792 // associated with an overall shared user, which doesn't seem all 7793 // that unreasonable. 7794 if (pkgSetting.sharedUser != null) { 7795 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7796 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7797 throw new PackageManagerException( 7798 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7799 "Signature mismatch for shared user: " 7800 + pkgSetting.sharedUser); 7801 } 7802 } 7803 // File a report about this. 7804 String msg = "System package " + pkg.packageName 7805 + " signature changed; retaining data."; 7806 reportSettingsProblem(Log.WARN, msg); 7807 } 7808 } 7809 // Verify that this new package doesn't have any content providers 7810 // that conflict with existing packages. Only do this if the 7811 // package isn't already installed, since we don't want to break 7812 // things that are installed. 7813 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7814 final int N = pkg.providers.size(); 7815 int i; 7816 for (i=0; i<N; i++) { 7817 PackageParser.Provider p = pkg.providers.get(i); 7818 if (p.info.authority != null) { 7819 String names[] = p.info.authority.split(";"); 7820 for (int j = 0; j < names.length; j++) { 7821 if (mProvidersByAuthority.containsKey(names[j])) { 7822 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7823 final String otherPackageName = 7824 ((other != null && other.getComponentName() != null) ? 7825 other.getComponentName().getPackageName() : "?"); 7826 throw new PackageManagerException( 7827 INSTALL_FAILED_CONFLICTING_PROVIDER, 7828 "Can't install because provider name " + names[j] 7829 + " (in package " + pkg.applicationInfo.packageName 7830 + ") is already used by " + otherPackageName); 7831 } 7832 } 7833 } 7834 } 7835 } 7836 7837 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7838 // This package wants to adopt ownership of permissions from 7839 // another package. 7840 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7841 final String origName = pkg.mAdoptPermissions.get(i); 7842 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7843 if (orig != null) { 7844 if (verifyPackageUpdateLPr(orig, pkg)) { 7845 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7846 + pkg.packageName); 7847 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7848 } 7849 } 7850 } 7851 } 7852 } 7853 7854 final String pkgName = pkg.packageName; 7855 7856 final long scanFileTime = scanFile.lastModified(); 7857 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7858 pkg.applicationInfo.processName = fixProcessName( 7859 pkg.applicationInfo.packageName, 7860 pkg.applicationInfo.processName, 7861 pkg.applicationInfo.uid); 7862 7863 if (pkg != mPlatformPackage) { 7864 // Get all of our default paths setup 7865 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7866 } 7867 7868 final String path = scanFile.getPath(); 7869 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7870 7871 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7872 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7873 7874 // Some system apps still use directory structure for native libraries 7875 // in which case we might end up not detecting abi solely based on apk 7876 // structure. Try to detect abi based on directory structure. 7877 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7878 pkg.applicationInfo.primaryCpuAbi == null) { 7879 setBundledAppAbisAndRoots(pkg, pkgSetting); 7880 setNativeLibraryPaths(pkg); 7881 } 7882 7883 } else { 7884 if ((scanFlags & SCAN_MOVE) != 0) { 7885 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7886 // but we already have this packages package info in the PackageSetting. We just 7887 // use that and derive the native library path based on the new codepath. 7888 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7889 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7890 } 7891 7892 // Set native library paths again. For moves, the path will be updated based on the 7893 // ABIs we've determined above. For non-moves, the path will be updated based on the 7894 // ABIs we determined during compilation, but the path will depend on the final 7895 // package path (after the rename away from the stage path). 7896 setNativeLibraryPaths(pkg); 7897 } 7898 7899 // This is a special case for the "system" package, where the ABI is 7900 // dictated by the zygote configuration (and init.rc). We should keep track 7901 // of this ABI so that we can deal with "normal" applications that run under 7902 // the same UID correctly. 7903 if (mPlatformPackage == pkg) { 7904 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7905 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7906 } 7907 7908 // If there's a mismatch between the abi-override in the package setting 7909 // and the abiOverride specified for the install. Warn about this because we 7910 // would've already compiled the app without taking the package setting into 7911 // account. 7912 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7913 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7914 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7915 " for package " + pkg.packageName); 7916 } 7917 } 7918 7919 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7920 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7921 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7922 7923 // Copy the derived override back to the parsed package, so that we can 7924 // update the package settings accordingly. 7925 pkg.cpuAbiOverride = cpuAbiOverride; 7926 7927 if (DEBUG_ABI_SELECTION) { 7928 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7929 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7930 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7931 } 7932 7933 // Push the derived path down into PackageSettings so we know what to 7934 // clean up at uninstall time. 7935 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7936 7937 if (DEBUG_ABI_SELECTION) { 7938 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7939 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7940 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7941 } 7942 7943 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7944 // We don't do this here during boot because we can do it all 7945 // at once after scanning all existing packages. 7946 // 7947 // We also do this *before* we perform dexopt on this package, so that 7948 // we can avoid redundant dexopts, and also to make sure we've got the 7949 // code and package path correct. 7950 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7951 pkg, true /* boot complete */); 7952 } 7953 7954 if (mFactoryTest && pkg.requestedPermissions.contains( 7955 android.Manifest.permission.FACTORY_TEST)) { 7956 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7957 } 7958 7959 ArrayList<PackageParser.Package> clientLibPkgs = null; 7960 7961 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7962 if (nonMutatedPs != null) { 7963 synchronized (mPackages) { 7964 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 7965 } 7966 } 7967 return pkg; 7968 } 7969 7970 // Only privileged apps and updated privileged apps can add child packages. 7971 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 7972 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 7973 throw new PackageManagerException("Only privileged apps and updated " 7974 + "privileged apps can add child packages. Ignoring package " 7975 + pkg.packageName); 7976 } 7977 final int childCount = pkg.childPackages.size(); 7978 for (int i = 0; i < childCount; i++) { 7979 PackageParser.Package childPkg = pkg.childPackages.get(i); 7980 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 7981 childPkg.packageName)) { 7982 throw new PackageManagerException("Cannot override a child package of " 7983 + "another disabled system app. Ignoring package " + pkg.packageName); 7984 } 7985 } 7986 } 7987 7988 // writer 7989 synchronized (mPackages) { 7990 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7991 // Only system apps can add new shared libraries. 7992 if (pkg.libraryNames != null) { 7993 for (int i=0; i<pkg.libraryNames.size(); i++) { 7994 String name = pkg.libraryNames.get(i); 7995 boolean allowed = false; 7996 if (pkg.isUpdatedSystemApp()) { 7997 // New library entries can only be added through the 7998 // system image. This is important to get rid of a lot 7999 // of nasty edge cases: for example if we allowed a non- 8000 // system update of the app to add a library, then uninstalling 8001 // the update would make the library go away, and assumptions 8002 // we made such as through app install filtering would now 8003 // have allowed apps on the device which aren't compatible 8004 // with it. Better to just have the restriction here, be 8005 // conservative, and create many fewer cases that can negatively 8006 // impact the user experience. 8007 final PackageSetting sysPs = mSettings 8008 .getDisabledSystemPkgLPr(pkg.packageName); 8009 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8010 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8011 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8012 allowed = true; 8013 break; 8014 } 8015 } 8016 } 8017 } else { 8018 allowed = true; 8019 } 8020 if (allowed) { 8021 if (!mSharedLibraries.containsKey(name)) { 8022 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8023 } else if (!name.equals(pkg.packageName)) { 8024 Slog.w(TAG, "Package " + pkg.packageName + " library " 8025 + name + " already exists; skipping"); 8026 } 8027 } else { 8028 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8029 + name + " that is not declared on system image; skipping"); 8030 } 8031 } 8032 if ((scanFlags & SCAN_BOOTING) == 0) { 8033 // If we are not booting, we need to update any applications 8034 // that are clients of our shared library. If we are booting, 8035 // this will all be done once the scan is complete. 8036 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8037 } 8038 } 8039 } 8040 } 8041 8042 // Request the ActivityManager to kill the process(only for existing packages) 8043 // so that we do not end up in a confused state while the user is still using the older 8044 // version of the application while the new one gets installed. 8045 final boolean isReplacing = (scanFlags & SCAN_REPLACING) != 0; 8046 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 8047 if (killApp) { 8048 if (isReplacing) { 8049 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 8050 8051 killApplication(pkg.applicationInfo.packageName, 8052 pkg.applicationInfo.uid, "replace pkg"); 8053 8054 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8055 } 8056 } 8057 8058 // Also need to kill any apps that are dependent on the library. 8059 if (clientLibPkgs != null) { 8060 for (int i=0; i<clientLibPkgs.size(); i++) { 8061 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8062 killApplication(clientPkg.applicationInfo.packageName, 8063 clientPkg.applicationInfo.uid, "update lib"); 8064 } 8065 } 8066 8067 // Make sure we're not adding any bogus keyset info 8068 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8069 ksms.assertScannedPackageValid(pkg); 8070 8071 // writer 8072 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8073 8074 boolean createIdmapFailed = false; 8075 synchronized (mPackages) { 8076 // We don't expect installation to fail beyond this point 8077 8078 // Add the new setting to mSettings 8079 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8080 // Add the new setting to mPackages 8081 mPackages.put(pkg.applicationInfo.packageName, pkg); 8082 // Make sure we don't accidentally delete its data. 8083 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8084 while (iter.hasNext()) { 8085 PackageCleanItem item = iter.next(); 8086 if (pkgName.equals(item.packageName)) { 8087 iter.remove(); 8088 } 8089 } 8090 8091 // Take care of first install / last update times. 8092 if (currentTime != 0) { 8093 if (pkgSetting.firstInstallTime == 0) { 8094 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8095 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8096 pkgSetting.lastUpdateTime = currentTime; 8097 } 8098 } else if (pkgSetting.firstInstallTime == 0) { 8099 // We need *something*. Take time time stamp of the file. 8100 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8101 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8102 if (scanFileTime != pkgSetting.timeStamp) { 8103 // A package on the system image has changed; consider this 8104 // to be an update. 8105 pkgSetting.lastUpdateTime = scanFileTime; 8106 } 8107 } 8108 8109 // Add the package's KeySets to the global KeySetManagerService 8110 ksms.addScannedPackageLPw(pkg); 8111 8112 int N = pkg.providers.size(); 8113 StringBuilder r = null; 8114 int i; 8115 for (i=0; i<N; i++) { 8116 PackageParser.Provider p = pkg.providers.get(i); 8117 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8118 p.info.processName, pkg.applicationInfo.uid); 8119 mProviders.addProvider(p); 8120 p.syncable = p.info.isSyncable; 8121 if (p.info.authority != null) { 8122 String names[] = p.info.authority.split(";"); 8123 p.info.authority = null; 8124 for (int j = 0; j < names.length; j++) { 8125 if (j == 1 && p.syncable) { 8126 // We only want the first authority for a provider to possibly be 8127 // syncable, so if we already added this provider using a different 8128 // authority clear the syncable flag. We copy the provider before 8129 // changing it because the mProviders object contains a reference 8130 // to a provider that we don't want to change. 8131 // Only do this for the second authority since the resulting provider 8132 // object can be the same for all future authorities for this provider. 8133 p = new PackageParser.Provider(p); 8134 p.syncable = false; 8135 } 8136 if (!mProvidersByAuthority.containsKey(names[j])) { 8137 mProvidersByAuthority.put(names[j], p); 8138 if (p.info.authority == null) { 8139 p.info.authority = names[j]; 8140 } else { 8141 p.info.authority = p.info.authority + ";" + names[j]; 8142 } 8143 if (DEBUG_PACKAGE_SCANNING) { 8144 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 8145 Log.d(TAG, "Registered content provider: " + names[j] 8146 + ", className = " + p.info.name + ", isSyncable = " 8147 + p.info.isSyncable); 8148 } 8149 } else { 8150 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8151 Slog.w(TAG, "Skipping provider name " + names[j] + 8152 " (in package " + pkg.applicationInfo.packageName + 8153 "): name already used by " 8154 + ((other != null && other.getComponentName() != null) 8155 ? other.getComponentName().getPackageName() : "?")); 8156 } 8157 } 8158 } 8159 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8160 if (r == null) { 8161 r = new StringBuilder(256); 8162 } else { 8163 r.append(' '); 8164 } 8165 r.append(p.info.name); 8166 } 8167 } 8168 if (r != null) { 8169 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8170 } 8171 8172 N = pkg.services.size(); 8173 r = null; 8174 for (i=0; i<N; i++) { 8175 PackageParser.Service s = pkg.services.get(i); 8176 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8177 s.info.processName, pkg.applicationInfo.uid); 8178 mServices.addService(s); 8179 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8180 if (r == null) { 8181 r = new StringBuilder(256); 8182 } else { 8183 r.append(' '); 8184 } 8185 r.append(s.info.name); 8186 } 8187 } 8188 if (r != null) { 8189 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8190 } 8191 8192 N = pkg.receivers.size(); 8193 r = null; 8194 for (i=0; i<N; i++) { 8195 PackageParser.Activity a = pkg.receivers.get(i); 8196 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8197 a.info.processName, pkg.applicationInfo.uid); 8198 mReceivers.addActivity(a, "receiver"); 8199 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8200 if (r == null) { 8201 r = new StringBuilder(256); 8202 } else { 8203 r.append(' '); 8204 } 8205 r.append(a.info.name); 8206 } 8207 } 8208 if (r != null) { 8209 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8210 } 8211 8212 N = pkg.activities.size(); 8213 r = null; 8214 for (i=0; i<N; i++) { 8215 PackageParser.Activity a = pkg.activities.get(i); 8216 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8217 a.info.processName, pkg.applicationInfo.uid); 8218 mActivities.addActivity(a, "activity"); 8219 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8220 if (r == null) { 8221 r = new StringBuilder(256); 8222 } else { 8223 r.append(' '); 8224 } 8225 r.append(a.info.name); 8226 } 8227 } 8228 if (r != null) { 8229 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8230 } 8231 8232 N = pkg.permissionGroups.size(); 8233 r = null; 8234 for (i=0; i<N; i++) { 8235 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8236 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8237 if (cur == null) { 8238 mPermissionGroups.put(pg.info.name, pg); 8239 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8240 if (r == null) { 8241 r = new StringBuilder(256); 8242 } else { 8243 r.append(' '); 8244 } 8245 r.append(pg.info.name); 8246 } 8247 } else { 8248 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8249 + pg.info.packageName + " ignored: original from " 8250 + cur.info.packageName); 8251 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8252 if (r == null) { 8253 r = new StringBuilder(256); 8254 } else { 8255 r.append(' '); 8256 } 8257 r.append("DUP:"); 8258 r.append(pg.info.name); 8259 } 8260 } 8261 } 8262 if (r != null) { 8263 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8264 } 8265 8266 N = pkg.permissions.size(); 8267 r = null; 8268 for (i=0; i<N; i++) { 8269 PackageParser.Permission p = pkg.permissions.get(i); 8270 8271 // Assume by default that we did not install this permission into the system. 8272 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8273 8274 // Now that permission groups have a special meaning, we ignore permission 8275 // groups for legacy apps to prevent unexpected behavior. In particular, 8276 // permissions for one app being granted to someone just becase they happen 8277 // to be in a group defined by another app (before this had no implications). 8278 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8279 p.group = mPermissionGroups.get(p.info.group); 8280 // Warn for a permission in an unknown group. 8281 if (p.info.group != null && p.group == null) { 8282 Slog.w(TAG, "Permission " + p.info.name + " from package " 8283 + p.info.packageName + " in an unknown group " + p.info.group); 8284 } 8285 } 8286 8287 ArrayMap<String, BasePermission> permissionMap = 8288 p.tree ? mSettings.mPermissionTrees 8289 : mSettings.mPermissions; 8290 BasePermission bp = permissionMap.get(p.info.name); 8291 8292 // Allow system apps to redefine non-system permissions 8293 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8294 final boolean currentOwnerIsSystem = (bp.perm != null 8295 && isSystemApp(bp.perm.owner)); 8296 if (isSystemApp(p.owner)) { 8297 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8298 // It's a built-in permission and no owner, take ownership now 8299 bp.packageSetting = pkgSetting; 8300 bp.perm = p; 8301 bp.uid = pkg.applicationInfo.uid; 8302 bp.sourcePackage = p.info.packageName; 8303 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8304 } else if (!currentOwnerIsSystem) { 8305 String msg = "New decl " + p.owner + " of permission " 8306 + p.info.name + " is system; overriding " + bp.sourcePackage; 8307 reportSettingsProblem(Log.WARN, msg); 8308 bp = null; 8309 } 8310 } 8311 } 8312 8313 if (bp == null) { 8314 bp = new BasePermission(p.info.name, p.info.packageName, 8315 BasePermission.TYPE_NORMAL); 8316 permissionMap.put(p.info.name, bp); 8317 } 8318 8319 if (bp.perm == null) { 8320 if (bp.sourcePackage == null 8321 || bp.sourcePackage.equals(p.info.packageName)) { 8322 BasePermission tree = findPermissionTreeLP(p.info.name); 8323 if (tree == null 8324 || tree.sourcePackage.equals(p.info.packageName)) { 8325 bp.packageSetting = pkgSetting; 8326 bp.perm = p; 8327 bp.uid = pkg.applicationInfo.uid; 8328 bp.sourcePackage = p.info.packageName; 8329 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8330 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8331 if (r == null) { 8332 r = new StringBuilder(256); 8333 } else { 8334 r.append(' '); 8335 } 8336 r.append(p.info.name); 8337 } 8338 } else { 8339 Slog.w(TAG, "Permission " + p.info.name + " from package " 8340 + p.info.packageName + " ignored: base tree " 8341 + tree.name + " is from package " 8342 + tree.sourcePackage); 8343 } 8344 } else { 8345 Slog.w(TAG, "Permission " + p.info.name + " from package " 8346 + p.info.packageName + " ignored: original from " 8347 + bp.sourcePackage); 8348 } 8349 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8350 if (r == null) { 8351 r = new StringBuilder(256); 8352 } else { 8353 r.append(' '); 8354 } 8355 r.append("DUP:"); 8356 r.append(p.info.name); 8357 } 8358 if (bp.perm == p) { 8359 bp.protectionLevel = p.info.protectionLevel; 8360 } 8361 } 8362 8363 if (r != null) { 8364 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8365 } 8366 8367 N = pkg.instrumentation.size(); 8368 r = null; 8369 for (i=0; i<N; i++) { 8370 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8371 a.info.packageName = pkg.applicationInfo.packageName; 8372 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8373 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8374 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8375 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8376 a.info.dataDir = pkg.applicationInfo.dataDir; 8377 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8378 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8379 8380 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8381 // need other information about the application, like the ABI and what not ? 8382 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8383 mInstrumentation.put(a.getComponentName(), a); 8384 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8385 if (r == null) { 8386 r = new StringBuilder(256); 8387 } else { 8388 r.append(' '); 8389 } 8390 r.append(a.info.name); 8391 } 8392 } 8393 if (r != null) { 8394 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8395 } 8396 8397 if (pkg.protectedBroadcasts != null) { 8398 N = pkg.protectedBroadcasts.size(); 8399 for (i=0; i<N; i++) { 8400 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8401 } 8402 } 8403 8404 pkgSetting.setTimeStamp(scanFileTime); 8405 8406 // Create idmap files for pairs of (packages, overlay packages). 8407 // Note: "android", ie framework-res.apk, is handled by native layers. 8408 if (pkg.mOverlayTarget != null) { 8409 // This is an overlay package. 8410 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8411 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8412 mOverlays.put(pkg.mOverlayTarget, 8413 new ArrayMap<String, PackageParser.Package>()); 8414 } 8415 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8416 map.put(pkg.packageName, pkg); 8417 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8418 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8419 createIdmapFailed = true; 8420 } 8421 } 8422 } else if (mOverlays.containsKey(pkg.packageName) && 8423 !pkg.packageName.equals("android")) { 8424 // This is a regular package, with one or more known overlay packages. 8425 createIdmapsForPackageLI(pkg); 8426 } 8427 } 8428 8429 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8430 8431 if (createIdmapFailed) { 8432 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8433 "scanPackageLI failed to createIdmap"); 8434 } 8435 return pkg; 8436 } 8437 8438 /** 8439 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8440 * is derived purely on the basis of the contents of {@code scanFile} and 8441 * {@code cpuAbiOverride}. 8442 * 8443 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8444 */ 8445 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8446 String cpuAbiOverride, boolean extractLibs) 8447 throws PackageManagerException { 8448 // TODO: We can probably be smarter about this stuff. For installed apps, 8449 // we can calculate this information at install time once and for all. For 8450 // system apps, we can probably assume that this information doesn't change 8451 // after the first boot scan. As things stand, we do lots of unnecessary work. 8452 8453 // Give ourselves some initial paths; we'll come back for another 8454 // pass once we've determined ABI below. 8455 setNativeLibraryPaths(pkg); 8456 8457 // We would never need to extract libs for forward-locked and external packages, 8458 // since the container service will do it for us. We shouldn't attempt to 8459 // extract libs from system app when it was not updated. 8460 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8461 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8462 extractLibs = false; 8463 } 8464 8465 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8466 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8467 8468 NativeLibraryHelper.Handle handle = null; 8469 try { 8470 handle = NativeLibraryHelper.Handle.create(pkg); 8471 // TODO(multiArch): This can be null for apps that didn't go through the 8472 // usual installation process. We can calculate it again, like we 8473 // do during install time. 8474 // 8475 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8476 // unnecessary. 8477 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8478 8479 // Null out the abis so that they can be recalculated. 8480 pkg.applicationInfo.primaryCpuAbi = null; 8481 pkg.applicationInfo.secondaryCpuAbi = null; 8482 if (isMultiArch(pkg.applicationInfo)) { 8483 // Warn if we've set an abiOverride for multi-lib packages.. 8484 // By definition, we need to copy both 32 and 64 bit libraries for 8485 // such packages. 8486 if (pkg.cpuAbiOverride != null 8487 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8488 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8489 } 8490 8491 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8492 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8493 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8494 if (extractLibs) { 8495 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8496 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8497 useIsaSpecificSubdirs); 8498 } else { 8499 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8500 } 8501 } 8502 8503 maybeThrowExceptionForMultiArchCopy( 8504 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8505 8506 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8507 if (extractLibs) { 8508 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8509 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8510 useIsaSpecificSubdirs); 8511 } else { 8512 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8513 } 8514 } 8515 8516 maybeThrowExceptionForMultiArchCopy( 8517 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8518 8519 if (abi64 >= 0) { 8520 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8521 } 8522 8523 if (abi32 >= 0) { 8524 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8525 if (abi64 >= 0) { 8526 if (cpuAbiOverride == null && pkg.use32bitAbi) { 8527 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8528 pkg.applicationInfo.primaryCpuAbi = abi; 8529 } else { 8530 pkg.applicationInfo.secondaryCpuAbi = abi; 8531 } 8532 } else { 8533 pkg.applicationInfo.primaryCpuAbi = abi; 8534 } 8535 } 8536 8537 } else { 8538 String[] abiList = (cpuAbiOverride != null) ? 8539 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8540 8541 // Enable gross and lame hacks for apps that are built with old 8542 // SDK tools. We must scan their APKs for renderscript bitcode and 8543 // not launch them if it's present. Don't bother checking on devices 8544 // that don't have 64 bit support. 8545 boolean needsRenderScriptOverride = false; 8546 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8547 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8548 abiList = Build.SUPPORTED_32_BIT_ABIS; 8549 needsRenderScriptOverride = true; 8550 } 8551 8552 final int copyRet; 8553 if (extractLibs) { 8554 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8555 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8556 } else { 8557 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8558 } 8559 8560 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8561 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8562 "Error unpackaging native libs for app, errorCode=" + copyRet); 8563 } 8564 8565 if (copyRet >= 0) { 8566 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8567 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8568 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8569 } else if (needsRenderScriptOverride) { 8570 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8571 } 8572 } 8573 } catch (IOException ioe) { 8574 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8575 } finally { 8576 IoUtils.closeQuietly(handle); 8577 } 8578 8579 // Now that we've calculated the ABIs and determined if it's an internal app, 8580 // we will go ahead and populate the nativeLibraryPath. 8581 setNativeLibraryPaths(pkg); 8582 } 8583 8584 /** 8585 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8586 * i.e, so that all packages can be run inside a single process if required. 8587 * 8588 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8589 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8590 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8591 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8592 * updating a package that belongs to a shared user. 8593 * 8594 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8595 * adds unnecessary complexity. 8596 */ 8597 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8598 PackageParser.Package scannedPackage, boolean bootComplete) { 8599 String requiredInstructionSet = null; 8600 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8601 requiredInstructionSet = VMRuntime.getInstructionSet( 8602 scannedPackage.applicationInfo.primaryCpuAbi); 8603 } 8604 8605 PackageSetting requirer = null; 8606 for (PackageSetting ps : packagesForUser) { 8607 // If packagesForUser contains scannedPackage, we skip it. This will happen 8608 // when scannedPackage is an update of an existing package. Without this check, 8609 // we will never be able to change the ABI of any package belonging to a shared 8610 // user, even if it's compatible with other packages. 8611 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8612 if (ps.primaryCpuAbiString == null) { 8613 continue; 8614 } 8615 8616 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8617 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8618 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8619 // this but there's not much we can do. 8620 String errorMessage = "Instruction set mismatch, " 8621 + ((requirer == null) ? "[caller]" : requirer) 8622 + " requires " + requiredInstructionSet + " whereas " + ps 8623 + " requires " + instructionSet; 8624 Slog.w(TAG, errorMessage); 8625 } 8626 8627 if (requiredInstructionSet == null) { 8628 requiredInstructionSet = instructionSet; 8629 requirer = ps; 8630 } 8631 } 8632 } 8633 8634 if (requiredInstructionSet != null) { 8635 String adjustedAbi; 8636 if (requirer != null) { 8637 // requirer != null implies that either scannedPackage was null or that scannedPackage 8638 // did not require an ABI, in which case we have to adjust scannedPackage to match 8639 // the ABI of the set (which is the same as requirer's ABI) 8640 adjustedAbi = requirer.primaryCpuAbiString; 8641 if (scannedPackage != null) { 8642 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8643 } 8644 } else { 8645 // requirer == null implies that we're updating all ABIs in the set to 8646 // match scannedPackage. 8647 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8648 } 8649 8650 for (PackageSetting ps : packagesForUser) { 8651 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8652 if (ps.primaryCpuAbiString != null) { 8653 continue; 8654 } 8655 8656 ps.primaryCpuAbiString = adjustedAbi; 8657 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8658 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8659 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8660 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8661 + " (requirer=" 8662 + (requirer == null ? "null" : requirer.pkg.packageName) 8663 + ", scannedPackage=" 8664 + (scannedPackage != null ? scannedPackage.packageName : "null") 8665 + ")"); 8666 try { 8667 mInstaller.rmdex(ps.codePathString, 8668 getDexCodeInstructionSet(getPreferredInstructionSet())); 8669 } catch (InstallerException ignored) { 8670 } 8671 } 8672 } 8673 } 8674 } 8675 } 8676 8677 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8678 synchronized (mPackages) { 8679 mResolverReplaced = true; 8680 // Set up information for custom user intent resolution activity. 8681 mResolveActivity.applicationInfo = pkg.applicationInfo; 8682 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8683 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8684 mResolveActivity.processName = pkg.applicationInfo.packageName; 8685 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8686 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8687 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8688 mResolveActivity.theme = 0; 8689 mResolveActivity.exported = true; 8690 mResolveActivity.enabled = true; 8691 mResolveInfo.activityInfo = mResolveActivity; 8692 mResolveInfo.priority = 0; 8693 mResolveInfo.preferredOrder = 0; 8694 mResolveInfo.match = 0; 8695 mResolveComponentName = mCustomResolverComponentName; 8696 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8697 mResolveComponentName); 8698 } 8699 } 8700 8701 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8702 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8703 8704 // Set up information for ephemeral installer activity 8705 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8706 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8707 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8708 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8709 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8710 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8711 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8712 mEphemeralInstallerActivity.theme = 0; 8713 mEphemeralInstallerActivity.exported = true; 8714 mEphemeralInstallerActivity.enabled = true; 8715 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8716 mEphemeralInstallerInfo.priority = 0; 8717 mEphemeralInstallerInfo.preferredOrder = 0; 8718 mEphemeralInstallerInfo.match = 0; 8719 8720 if (DEBUG_EPHEMERAL) { 8721 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8722 } 8723 } 8724 8725 private static String calculateBundledApkRoot(final String codePathString) { 8726 final File codePath = new File(codePathString); 8727 final File codeRoot; 8728 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8729 codeRoot = Environment.getRootDirectory(); 8730 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8731 codeRoot = Environment.getOemDirectory(); 8732 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8733 codeRoot = Environment.getVendorDirectory(); 8734 } else { 8735 // Unrecognized code path; take its top real segment as the apk root: 8736 // e.g. /something/app/blah.apk => /something 8737 try { 8738 File f = codePath.getCanonicalFile(); 8739 File parent = f.getParentFile(); // non-null because codePath is a file 8740 File tmp; 8741 while ((tmp = parent.getParentFile()) != null) { 8742 f = parent; 8743 parent = tmp; 8744 } 8745 codeRoot = f; 8746 Slog.w(TAG, "Unrecognized code path " 8747 + codePath + " - using " + codeRoot); 8748 } catch (IOException e) { 8749 // Can't canonicalize the code path -- shenanigans? 8750 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8751 return Environment.getRootDirectory().getPath(); 8752 } 8753 } 8754 return codeRoot.getPath(); 8755 } 8756 8757 /** 8758 * Derive and set the location of native libraries for the given package, 8759 * which varies depending on where and how the package was installed. 8760 */ 8761 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8762 final ApplicationInfo info = pkg.applicationInfo; 8763 final String codePath = pkg.codePath; 8764 final File codeFile = new File(codePath); 8765 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8766 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8767 8768 info.nativeLibraryRootDir = null; 8769 info.nativeLibraryRootRequiresIsa = false; 8770 info.nativeLibraryDir = null; 8771 info.secondaryNativeLibraryDir = null; 8772 8773 if (isApkFile(codeFile)) { 8774 // Monolithic install 8775 if (bundledApp) { 8776 // If "/system/lib64/apkname" exists, assume that is the per-package 8777 // native library directory to use; otherwise use "/system/lib/apkname". 8778 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8779 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8780 getPrimaryInstructionSet(info)); 8781 8782 // This is a bundled system app so choose the path based on the ABI. 8783 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8784 // is just the default path. 8785 final String apkName = deriveCodePathName(codePath); 8786 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8787 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8788 apkName).getAbsolutePath(); 8789 8790 if (info.secondaryCpuAbi != null) { 8791 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8792 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8793 secondaryLibDir, apkName).getAbsolutePath(); 8794 } 8795 } else if (asecApp) { 8796 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8797 .getAbsolutePath(); 8798 } else { 8799 final String apkName = deriveCodePathName(codePath); 8800 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8801 .getAbsolutePath(); 8802 } 8803 8804 info.nativeLibraryRootRequiresIsa = false; 8805 info.nativeLibraryDir = info.nativeLibraryRootDir; 8806 } else { 8807 // Cluster install 8808 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8809 info.nativeLibraryRootRequiresIsa = true; 8810 8811 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8812 getPrimaryInstructionSet(info)).getAbsolutePath(); 8813 8814 if (info.secondaryCpuAbi != null) { 8815 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8816 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8817 } 8818 } 8819 } 8820 8821 /** 8822 * Calculate the abis and roots for a bundled app. These can uniquely 8823 * be determined from the contents of the system partition, i.e whether 8824 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8825 * of this information, and instead assume that the system was built 8826 * sensibly. 8827 */ 8828 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8829 PackageSetting pkgSetting) { 8830 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8831 8832 // If "/system/lib64/apkname" exists, assume that is the per-package 8833 // native library directory to use; otherwise use "/system/lib/apkname". 8834 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8835 setBundledAppAbi(pkg, apkRoot, apkName); 8836 // pkgSetting might be null during rescan following uninstall of updates 8837 // to a bundled app, so accommodate that possibility. The settings in 8838 // that case will be established later from the parsed package. 8839 // 8840 // If the settings aren't null, sync them up with what we've just derived. 8841 // note that apkRoot isn't stored in the package settings. 8842 if (pkgSetting != null) { 8843 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8844 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8845 } 8846 } 8847 8848 /** 8849 * Deduces the ABI of a bundled app and sets the relevant fields on the 8850 * parsed pkg object. 8851 * 8852 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8853 * under which system libraries are installed. 8854 * @param apkName the name of the installed package. 8855 */ 8856 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8857 final File codeFile = new File(pkg.codePath); 8858 8859 final boolean has64BitLibs; 8860 final boolean has32BitLibs; 8861 if (isApkFile(codeFile)) { 8862 // Monolithic install 8863 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8864 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8865 } else { 8866 // Cluster install 8867 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8868 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8869 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8870 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8871 has64BitLibs = (new File(rootDir, isa)).exists(); 8872 } else { 8873 has64BitLibs = false; 8874 } 8875 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8876 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8877 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8878 has32BitLibs = (new File(rootDir, isa)).exists(); 8879 } else { 8880 has32BitLibs = false; 8881 } 8882 } 8883 8884 if (has64BitLibs && !has32BitLibs) { 8885 // The package has 64 bit libs, but not 32 bit libs. Its primary 8886 // ABI should be 64 bit. We can safely assume here that the bundled 8887 // native libraries correspond to the most preferred ABI in the list. 8888 8889 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8890 pkg.applicationInfo.secondaryCpuAbi = null; 8891 } else if (has32BitLibs && !has64BitLibs) { 8892 // The package has 32 bit libs but not 64 bit libs. Its primary 8893 // ABI should be 32 bit. 8894 8895 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8896 pkg.applicationInfo.secondaryCpuAbi = null; 8897 } else if (has32BitLibs && has64BitLibs) { 8898 // The application has both 64 and 32 bit bundled libraries. We check 8899 // here that the app declares multiArch support, and warn if it doesn't. 8900 // 8901 // We will be lenient here and record both ABIs. The primary will be the 8902 // ABI that's higher on the list, i.e, a device that's configured to prefer 8903 // 64 bit apps will see a 64 bit primary ABI, 8904 8905 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8906 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8907 } 8908 8909 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8910 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8911 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8912 } else { 8913 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8914 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8915 } 8916 } else { 8917 pkg.applicationInfo.primaryCpuAbi = null; 8918 pkg.applicationInfo.secondaryCpuAbi = null; 8919 } 8920 } 8921 8922 private void killPackage(PackageParser.Package pkg, String reason) { 8923 // Kill the parent package 8924 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8925 // Kill the child packages 8926 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8927 for (int i = 0; i < childCount; i++) { 8928 PackageParser.Package childPkg = pkg.childPackages.get(i); 8929 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8930 } 8931 } 8932 8933 private void killApplication(String pkgName, int appId, String reason) { 8934 // Request the ActivityManager to kill the process(only for existing packages) 8935 // so that we do not end up in a confused state while the user is still using the older 8936 // version of the application while the new one gets installed. 8937 IActivityManager am = ActivityManagerNative.getDefault(); 8938 if (am != null) { 8939 try { 8940 am.killApplicationWithAppId(pkgName, appId, reason); 8941 } catch (RemoteException e) { 8942 } 8943 } 8944 } 8945 8946 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 8947 // Remove the parent package setting 8948 PackageSetting ps = (PackageSetting) pkg.mExtras; 8949 if (ps != null) { 8950 removePackageLI(ps, chatty); 8951 } 8952 // Remove the child package setting 8953 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8954 for (int i = 0; i < childCount; i++) { 8955 PackageParser.Package childPkg = pkg.childPackages.get(i); 8956 ps = (PackageSetting) childPkg.mExtras; 8957 if (ps != null) { 8958 removePackageLI(ps, chatty); 8959 } 8960 } 8961 } 8962 8963 void removePackageLI(PackageSetting ps, boolean chatty) { 8964 if (DEBUG_INSTALL) { 8965 if (chatty) 8966 Log.d(TAG, "Removing package " + ps.name); 8967 } 8968 8969 // writer 8970 synchronized (mPackages) { 8971 mPackages.remove(ps.name); 8972 final PackageParser.Package pkg = ps.pkg; 8973 if (pkg != null) { 8974 cleanPackageDataStructuresLILPw(pkg, chatty); 8975 } 8976 } 8977 } 8978 8979 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8980 if (DEBUG_INSTALL) { 8981 if (chatty) 8982 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8983 } 8984 8985 // writer 8986 synchronized (mPackages) { 8987 // Remove the parent package 8988 mPackages.remove(pkg.applicationInfo.packageName); 8989 cleanPackageDataStructuresLILPw(pkg, chatty); 8990 8991 // Remove the child packages 8992 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8993 for (int i = 0; i < childCount; i++) { 8994 PackageParser.Package childPkg = pkg.childPackages.get(i); 8995 mPackages.remove(childPkg.applicationInfo.packageName); 8996 cleanPackageDataStructuresLILPw(childPkg, chatty); 8997 } 8998 } 8999 } 9000 9001 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9002 int N = pkg.providers.size(); 9003 StringBuilder r = null; 9004 int i; 9005 for (i=0; i<N; i++) { 9006 PackageParser.Provider p = pkg.providers.get(i); 9007 mProviders.removeProvider(p); 9008 if (p.info.authority == null) { 9009 9010 /* There was another ContentProvider with this authority when 9011 * this app was installed so this authority is null, 9012 * Ignore it as we don't have to unregister the provider. 9013 */ 9014 continue; 9015 } 9016 String names[] = p.info.authority.split(";"); 9017 for (int j = 0; j < names.length; j++) { 9018 if (mProvidersByAuthority.get(names[j]) == p) { 9019 mProvidersByAuthority.remove(names[j]); 9020 if (DEBUG_REMOVE) { 9021 if (chatty) 9022 Log.d(TAG, "Unregistered content provider: " + names[j] 9023 + ", className = " + p.info.name + ", isSyncable = " 9024 + p.info.isSyncable); 9025 } 9026 } 9027 } 9028 if (DEBUG_REMOVE && chatty) { 9029 if (r == null) { 9030 r = new StringBuilder(256); 9031 } else { 9032 r.append(' '); 9033 } 9034 r.append(p.info.name); 9035 } 9036 } 9037 if (r != null) { 9038 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9039 } 9040 9041 N = pkg.services.size(); 9042 r = null; 9043 for (i=0; i<N; i++) { 9044 PackageParser.Service s = pkg.services.get(i); 9045 mServices.removeService(s); 9046 if (chatty) { 9047 if (r == null) { 9048 r = new StringBuilder(256); 9049 } else { 9050 r.append(' '); 9051 } 9052 r.append(s.info.name); 9053 } 9054 } 9055 if (r != null) { 9056 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9057 } 9058 9059 N = pkg.receivers.size(); 9060 r = null; 9061 for (i=0; i<N; i++) { 9062 PackageParser.Activity a = pkg.receivers.get(i); 9063 mReceivers.removeActivity(a, "receiver"); 9064 if (DEBUG_REMOVE && chatty) { 9065 if (r == null) { 9066 r = new StringBuilder(256); 9067 } else { 9068 r.append(' '); 9069 } 9070 r.append(a.info.name); 9071 } 9072 } 9073 if (r != null) { 9074 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9075 } 9076 9077 N = pkg.activities.size(); 9078 r = null; 9079 for (i=0; i<N; i++) { 9080 PackageParser.Activity a = pkg.activities.get(i); 9081 mActivities.removeActivity(a, "activity"); 9082 if (DEBUG_REMOVE && chatty) { 9083 if (r == null) { 9084 r = new StringBuilder(256); 9085 } else { 9086 r.append(' '); 9087 } 9088 r.append(a.info.name); 9089 } 9090 } 9091 if (r != null) { 9092 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9093 } 9094 9095 N = pkg.permissions.size(); 9096 r = null; 9097 for (i=0; i<N; i++) { 9098 PackageParser.Permission p = pkg.permissions.get(i); 9099 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9100 if (bp == null) { 9101 bp = mSettings.mPermissionTrees.get(p.info.name); 9102 } 9103 if (bp != null && bp.perm == p) { 9104 bp.perm = null; 9105 if (DEBUG_REMOVE && chatty) { 9106 if (r == null) { 9107 r = new StringBuilder(256); 9108 } else { 9109 r.append(' '); 9110 } 9111 r.append(p.info.name); 9112 } 9113 } 9114 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9115 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9116 if (appOpPkgs != null) { 9117 appOpPkgs.remove(pkg.packageName); 9118 } 9119 } 9120 } 9121 if (r != null) { 9122 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9123 } 9124 9125 N = pkg.requestedPermissions.size(); 9126 r = null; 9127 for (i=0; i<N; i++) { 9128 String perm = pkg.requestedPermissions.get(i); 9129 BasePermission bp = mSettings.mPermissions.get(perm); 9130 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9131 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9132 if (appOpPkgs != null) { 9133 appOpPkgs.remove(pkg.packageName); 9134 if (appOpPkgs.isEmpty()) { 9135 mAppOpPermissionPackages.remove(perm); 9136 } 9137 } 9138 } 9139 } 9140 if (r != null) { 9141 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9142 } 9143 9144 N = pkg.instrumentation.size(); 9145 r = null; 9146 for (i=0; i<N; i++) { 9147 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9148 mInstrumentation.remove(a.getComponentName()); 9149 if (DEBUG_REMOVE && chatty) { 9150 if (r == null) { 9151 r = new StringBuilder(256); 9152 } else { 9153 r.append(' '); 9154 } 9155 r.append(a.info.name); 9156 } 9157 } 9158 if (r != null) { 9159 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9160 } 9161 9162 r = null; 9163 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9164 // Only system apps can hold shared libraries. 9165 if (pkg.libraryNames != null) { 9166 for (i=0; i<pkg.libraryNames.size(); i++) { 9167 String name = pkg.libraryNames.get(i); 9168 SharedLibraryEntry cur = mSharedLibraries.get(name); 9169 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9170 mSharedLibraries.remove(name); 9171 if (DEBUG_REMOVE && chatty) { 9172 if (r == null) { 9173 r = new StringBuilder(256); 9174 } else { 9175 r.append(' '); 9176 } 9177 r.append(name); 9178 } 9179 } 9180 } 9181 } 9182 } 9183 if (r != null) { 9184 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9185 } 9186 } 9187 9188 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9189 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9190 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9191 return true; 9192 } 9193 } 9194 return false; 9195 } 9196 9197 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9198 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9199 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9200 9201 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9202 // Update the parent permissions 9203 updatePermissionsLPw(pkg.packageName, pkg, flags); 9204 // Update the child permissions 9205 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9206 for (int i = 0; i < childCount; i++) { 9207 PackageParser.Package childPkg = pkg.childPackages.get(i); 9208 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9209 } 9210 } 9211 9212 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9213 int flags) { 9214 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9215 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9216 } 9217 9218 private void updatePermissionsLPw(String changingPkg, 9219 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9220 // Make sure there are no dangling permission trees. 9221 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9222 while (it.hasNext()) { 9223 final BasePermission bp = it.next(); 9224 if (bp.packageSetting == null) { 9225 // We may not yet have parsed the package, so just see if 9226 // we still know about its settings. 9227 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9228 } 9229 if (bp.packageSetting == null) { 9230 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9231 + " from package " + bp.sourcePackage); 9232 it.remove(); 9233 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9234 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9235 Slog.i(TAG, "Removing old permission tree: " + bp.name 9236 + " from package " + bp.sourcePackage); 9237 flags |= UPDATE_PERMISSIONS_ALL; 9238 it.remove(); 9239 } 9240 } 9241 } 9242 9243 // Make sure all dynamic permissions have been assigned to a package, 9244 // and make sure there are no dangling permissions. 9245 it = mSettings.mPermissions.values().iterator(); 9246 while (it.hasNext()) { 9247 final BasePermission bp = it.next(); 9248 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9249 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9250 + bp.name + " pkg=" + bp.sourcePackage 9251 + " info=" + bp.pendingInfo); 9252 if (bp.packageSetting == null && bp.pendingInfo != null) { 9253 final BasePermission tree = findPermissionTreeLP(bp.name); 9254 if (tree != null && tree.perm != null) { 9255 bp.packageSetting = tree.packageSetting; 9256 bp.perm = new PackageParser.Permission(tree.perm.owner, 9257 new PermissionInfo(bp.pendingInfo)); 9258 bp.perm.info.packageName = tree.perm.info.packageName; 9259 bp.perm.info.name = bp.name; 9260 bp.uid = tree.uid; 9261 } 9262 } 9263 } 9264 if (bp.packageSetting == null) { 9265 // We may not yet have parsed the package, so just see if 9266 // we still know about its settings. 9267 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9268 } 9269 if (bp.packageSetting == null) { 9270 Slog.w(TAG, "Removing dangling permission: " + bp.name 9271 + " from package " + bp.sourcePackage); 9272 it.remove(); 9273 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9274 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9275 Slog.i(TAG, "Removing old permission: " + bp.name 9276 + " from package " + bp.sourcePackage); 9277 flags |= UPDATE_PERMISSIONS_ALL; 9278 it.remove(); 9279 } 9280 } 9281 } 9282 9283 // Now update the permissions for all packages, in particular 9284 // replace the granted permissions of the system packages. 9285 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9286 for (PackageParser.Package pkg : mPackages.values()) { 9287 if (pkg != pkgInfo) { 9288 // Only replace for packages on requested volume 9289 final String volumeUuid = getVolumeUuidForPackage(pkg); 9290 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9291 && Objects.equals(replaceVolumeUuid, volumeUuid); 9292 grantPermissionsLPw(pkg, replace, changingPkg); 9293 } 9294 } 9295 } 9296 9297 if (pkgInfo != null) { 9298 // Only replace for packages on requested volume 9299 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9300 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9301 && Objects.equals(replaceVolumeUuid, volumeUuid); 9302 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9303 } 9304 } 9305 9306 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9307 String packageOfInterest) { 9308 // IMPORTANT: There are two types of permissions: install and runtime. 9309 // Install time permissions are granted when the app is installed to 9310 // all device users and users added in the future. Runtime permissions 9311 // are granted at runtime explicitly to specific users. Normal and signature 9312 // protected permissions are install time permissions. Dangerous permissions 9313 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9314 // otherwise they are runtime permissions. This function does not manage 9315 // runtime permissions except for the case an app targeting Lollipop MR1 9316 // being upgraded to target a newer SDK, in which case dangerous permissions 9317 // are transformed from install time to runtime ones. 9318 9319 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9320 if (ps == null) { 9321 return; 9322 } 9323 9324 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9325 9326 PermissionsState permissionsState = ps.getPermissionsState(); 9327 PermissionsState origPermissions = permissionsState; 9328 9329 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9330 9331 boolean runtimePermissionsRevoked = false; 9332 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9333 9334 boolean changedInstallPermission = false; 9335 9336 if (replace) { 9337 ps.installPermissionsFixed = false; 9338 if (!ps.isSharedUser()) { 9339 origPermissions = new PermissionsState(permissionsState); 9340 permissionsState.reset(); 9341 } else { 9342 // We need to know only about runtime permission changes since the 9343 // calling code always writes the install permissions state but 9344 // the runtime ones are written only if changed. The only cases of 9345 // changed runtime permissions here are promotion of an install to 9346 // runtime and revocation of a runtime from a shared user. 9347 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9348 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9349 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9350 runtimePermissionsRevoked = true; 9351 } 9352 } 9353 } 9354 9355 permissionsState.setGlobalGids(mGlobalGids); 9356 9357 final int N = pkg.requestedPermissions.size(); 9358 for (int i=0; i<N; i++) { 9359 final String name = pkg.requestedPermissions.get(i); 9360 final BasePermission bp = mSettings.mPermissions.get(name); 9361 9362 if (DEBUG_INSTALL) { 9363 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9364 } 9365 9366 if (bp == null || bp.packageSetting == null) { 9367 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9368 Slog.w(TAG, "Unknown permission " + name 9369 + " in package " + pkg.packageName); 9370 } 9371 continue; 9372 } 9373 9374 final String perm = bp.name; 9375 boolean allowedSig = false; 9376 int grant = GRANT_DENIED; 9377 9378 // Keep track of app op permissions. 9379 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9380 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9381 if (pkgs == null) { 9382 pkgs = new ArraySet<>(); 9383 mAppOpPermissionPackages.put(bp.name, pkgs); 9384 } 9385 pkgs.add(pkg.packageName); 9386 } 9387 9388 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9389 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9390 >= Build.VERSION_CODES.M; 9391 switch (level) { 9392 case PermissionInfo.PROTECTION_NORMAL: { 9393 // For all apps normal permissions are install time ones. 9394 grant = GRANT_INSTALL; 9395 } break; 9396 9397 case PermissionInfo.PROTECTION_DANGEROUS: { 9398 // If a permission review is required for legacy apps we represent 9399 // their permissions as always granted runtime ones since we need 9400 // to keep the review required permission flag per user while an 9401 // install permission's state is shared across all users. 9402 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9403 // For legacy apps dangerous permissions are install time ones. 9404 grant = GRANT_INSTALL; 9405 } else if (origPermissions.hasInstallPermission(bp.name)) { 9406 // For legacy apps that became modern, install becomes runtime. 9407 grant = GRANT_UPGRADE; 9408 } else if (mPromoteSystemApps 9409 && isSystemApp(ps) 9410 && mExistingSystemPackages.contains(ps.name)) { 9411 // For legacy system apps, install becomes runtime. 9412 // We cannot check hasInstallPermission() for system apps since those 9413 // permissions were granted implicitly and not persisted pre-M. 9414 grant = GRANT_UPGRADE; 9415 } else { 9416 // For modern apps keep runtime permissions unchanged. 9417 grant = GRANT_RUNTIME; 9418 } 9419 } break; 9420 9421 case PermissionInfo.PROTECTION_SIGNATURE: { 9422 // For all apps signature permissions are install time ones. 9423 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9424 if (allowedSig) { 9425 grant = GRANT_INSTALL; 9426 } 9427 } break; 9428 } 9429 9430 if (DEBUG_INSTALL) { 9431 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9432 } 9433 9434 if (grant != GRANT_DENIED) { 9435 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9436 // If this is an existing, non-system package, then 9437 // we can't add any new permissions to it. 9438 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9439 // Except... if this is a permission that was added 9440 // to the platform (note: need to only do this when 9441 // updating the platform). 9442 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9443 grant = GRANT_DENIED; 9444 } 9445 } 9446 } 9447 9448 switch (grant) { 9449 case GRANT_INSTALL: { 9450 // Revoke this as runtime permission to handle the case of 9451 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9452 for (int userId : UserManagerService.getInstance().getUserIds()) { 9453 if (origPermissions.getRuntimePermissionState( 9454 bp.name, userId) != null) { 9455 // Revoke the runtime permission and clear the flags. 9456 origPermissions.revokeRuntimePermission(bp, userId); 9457 origPermissions.updatePermissionFlags(bp, userId, 9458 PackageManager.MASK_PERMISSION_FLAGS, 0); 9459 // If we revoked a permission permission, we have to write. 9460 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9461 changedRuntimePermissionUserIds, userId); 9462 } 9463 } 9464 // Grant an install permission. 9465 if (permissionsState.grantInstallPermission(bp) != 9466 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9467 changedInstallPermission = true; 9468 } 9469 } break; 9470 9471 case GRANT_RUNTIME: { 9472 // Grant previously granted runtime permissions. 9473 for (int userId : UserManagerService.getInstance().getUserIds()) { 9474 PermissionState permissionState = origPermissions 9475 .getRuntimePermissionState(bp.name, userId); 9476 int flags = permissionState != null 9477 ? permissionState.getFlags() : 0; 9478 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9479 if (permissionsState.grantRuntimePermission(bp, userId) == 9480 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9481 // If we cannot put the permission as it was, we have to write. 9482 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9483 changedRuntimePermissionUserIds, userId); 9484 } 9485 // If the app supports runtime permissions no need for a review. 9486 if (Build.PERMISSIONS_REVIEW_REQUIRED 9487 && appSupportsRuntimePermissions 9488 && (flags & PackageManager 9489 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9490 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9491 // Since we changed the flags, we have to write. 9492 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9493 changedRuntimePermissionUserIds, userId); 9494 } 9495 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9496 && !appSupportsRuntimePermissions) { 9497 // For legacy apps that need a permission review, every new 9498 // runtime permission is granted but it is pending a review. 9499 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9500 permissionsState.grantRuntimePermission(bp, userId); 9501 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9502 // We changed the permission and flags, hence have to write. 9503 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9504 changedRuntimePermissionUserIds, userId); 9505 } 9506 } 9507 // Propagate the permission flags. 9508 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9509 } 9510 } break; 9511 9512 case GRANT_UPGRADE: { 9513 // Grant runtime permissions for a previously held install permission. 9514 PermissionState permissionState = origPermissions 9515 .getInstallPermissionState(bp.name); 9516 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9517 9518 if (origPermissions.revokeInstallPermission(bp) 9519 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9520 // We will be transferring the permission flags, so clear them. 9521 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9522 PackageManager.MASK_PERMISSION_FLAGS, 0); 9523 changedInstallPermission = true; 9524 } 9525 9526 // If the permission is not to be promoted to runtime we ignore it and 9527 // also its other flags as they are not applicable to install permissions. 9528 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9529 for (int userId : currentUserIds) { 9530 if (permissionsState.grantRuntimePermission(bp, userId) != 9531 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9532 // Transfer the permission flags. 9533 permissionsState.updatePermissionFlags(bp, userId, 9534 flags, flags); 9535 // If we granted the permission, we have to write. 9536 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9537 changedRuntimePermissionUserIds, userId); 9538 } 9539 } 9540 } 9541 } break; 9542 9543 default: { 9544 if (packageOfInterest == null 9545 || packageOfInterest.equals(pkg.packageName)) { 9546 Slog.w(TAG, "Not granting permission " + perm 9547 + " to package " + pkg.packageName 9548 + " because it was previously installed without"); 9549 } 9550 } break; 9551 } 9552 } else { 9553 if (permissionsState.revokeInstallPermission(bp) != 9554 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9555 // Also drop the permission flags. 9556 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9557 PackageManager.MASK_PERMISSION_FLAGS, 0); 9558 changedInstallPermission = true; 9559 Slog.i(TAG, "Un-granting permission " + perm 9560 + " from package " + pkg.packageName 9561 + " (protectionLevel=" + bp.protectionLevel 9562 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9563 + ")"); 9564 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9565 // Don't print warning for app op permissions, since it is fine for them 9566 // not to be granted, there is a UI for the user to decide. 9567 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9568 Slog.w(TAG, "Not granting permission " + perm 9569 + " to package " + pkg.packageName 9570 + " (protectionLevel=" + bp.protectionLevel 9571 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9572 + ")"); 9573 } 9574 } 9575 } 9576 } 9577 9578 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9579 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9580 // This is the first that we have heard about this package, so the 9581 // permissions we have now selected are fixed until explicitly 9582 // changed. 9583 ps.installPermissionsFixed = true; 9584 } 9585 9586 // Persist the runtime permissions state for users with changes. If permissions 9587 // were revoked because no app in the shared user declares them we have to 9588 // write synchronously to avoid losing runtime permissions state. 9589 for (int userId : changedRuntimePermissionUserIds) { 9590 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9591 } 9592 9593 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9594 } 9595 9596 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9597 boolean allowed = false; 9598 final int NP = PackageParser.NEW_PERMISSIONS.length; 9599 for (int ip=0; ip<NP; ip++) { 9600 final PackageParser.NewPermissionInfo npi 9601 = PackageParser.NEW_PERMISSIONS[ip]; 9602 if (npi.name.equals(perm) 9603 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9604 allowed = true; 9605 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9606 + pkg.packageName); 9607 break; 9608 } 9609 } 9610 return allowed; 9611 } 9612 9613 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9614 BasePermission bp, PermissionsState origPermissions) { 9615 boolean allowed; 9616 allowed = (compareSignatures( 9617 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9618 == PackageManager.SIGNATURE_MATCH) 9619 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9620 == PackageManager.SIGNATURE_MATCH); 9621 if (!allowed && (bp.protectionLevel 9622 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9623 if (isSystemApp(pkg)) { 9624 // For updated system applications, a system permission 9625 // is granted only if it had been defined by the original application. 9626 if (pkg.isUpdatedSystemApp()) { 9627 final PackageSetting sysPs = mSettings 9628 .getDisabledSystemPkgLPr(pkg.packageName); 9629 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9630 // If the original was granted this permission, we take 9631 // that grant decision as read and propagate it to the 9632 // update. 9633 if (sysPs.isPrivileged()) { 9634 allowed = true; 9635 } 9636 } else { 9637 // The system apk may have been updated with an older 9638 // version of the one on the data partition, but which 9639 // granted a new system permission that it didn't have 9640 // before. In this case we do want to allow the app to 9641 // now get the new permission if the ancestral apk is 9642 // privileged to get it. 9643 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9644 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9645 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9646 allowed = true; 9647 break; 9648 } 9649 } 9650 } 9651 // Also if a privileged parent package on the system image or any of 9652 // its children requested a privileged permission, the updated child 9653 // packages can also get the permission. 9654 if (pkg.parentPackage != null) { 9655 final PackageSetting disabledSysParentPs = mSettings 9656 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9657 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9658 && disabledSysParentPs.isPrivileged()) { 9659 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9660 allowed = true; 9661 } else if (disabledSysParentPs.pkg.childPackages != null) { 9662 final int count = disabledSysParentPs.pkg.childPackages.size(); 9663 for (int i = 0; i < count; i++) { 9664 PackageParser.Package disabledSysChildPkg = 9665 disabledSysParentPs.pkg.childPackages.get(i); 9666 if (isPackageRequestingPermission(disabledSysChildPkg, 9667 perm)) { 9668 allowed = true; 9669 break; 9670 } 9671 } 9672 } 9673 } 9674 } 9675 } 9676 } else { 9677 allowed = isPrivilegedApp(pkg); 9678 } 9679 } 9680 } 9681 if (!allowed) { 9682 if (!allowed && (bp.protectionLevel 9683 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9684 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9685 // If this was a previously normal/dangerous permission that got moved 9686 // to a system permission as part of the runtime permission redesign, then 9687 // we still want to blindly grant it to old apps. 9688 allowed = true; 9689 } 9690 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9691 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9692 // If this permission is to be granted to the system installer and 9693 // this app is an installer, then it gets the permission. 9694 allowed = true; 9695 } 9696 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9697 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9698 // If this permission is to be granted to the system verifier and 9699 // this app is a verifier, then it gets the permission. 9700 allowed = true; 9701 } 9702 if (!allowed && (bp.protectionLevel 9703 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9704 && isSystemApp(pkg)) { 9705 // Any pre-installed system app is allowed to get this permission. 9706 allowed = true; 9707 } 9708 if (!allowed && (bp.protectionLevel 9709 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9710 // For development permissions, a development permission 9711 // is granted only if it was already granted. 9712 allowed = origPermissions.hasInstallPermission(perm); 9713 } 9714 } 9715 return allowed; 9716 } 9717 9718 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9719 final int permCount = pkg.requestedPermissions.size(); 9720 for (int j = 0; j < permCount; j++) { 9721 String requestedPermission = pkg.requestedPermissions.get(j); 9722 if (permission.equals(requestedPermission)) { 9723 return true; 9724 } 9725 } 9726 return false; 9727 } 9728 9729 final class ActivityIntentResolver 9730 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9731 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9732 boolean defaultOnly, int userId) { 9733 if (!sUserManager.exists(userId)) return null; 9734 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9735 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9736 } 9737 9738 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9739 int userId) { 9740 if (!sUserManager.exists(userId)) return null; 9741 mFlags = flags; 9742 return super.queryIntent(intent, resolvedType, 9743 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9744 } 9745 9746 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9747 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9748 if (!sUserManager.exists(userId)) return null; 9749 if (packageActivities == null) { 9750 return null; 9751 } 9752 mFlags = flags; 9753 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9754 final int N = packageActivities.size(); 9755 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9756 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9757 9758 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9759 for (int i = 0; i < N; ++i) { 9760 intentFilters = packageActivities.get(i).intents; 9761 if (intentFilters != null && intentFilters.size() > 0) { 9762 PackageParser.ActivityIntentInfo[] array = 9763 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9764 intentFilters.toArray(array); 9765 listCut.add(array); 9766 } 9767 } 9768 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9769 } 9770 9771 public final void addActivity(PackageParser.Activity a, String type) { 9772 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9773 mActivities.put(a.getComponentName(), a); 9774 if (DEBUG_SHOW_INFO) 9775 Log.v( 9776 TAG, " " + type + " " + 9777 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9778 if (DEBUG_SHOW_INFO) 9779 Log.v(TAG, " Class=" + a.info.name); 9780 final int NI = a.intents.size(); 9781 for (int j=0; j<NI; j++) { 9782 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9783 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9784 intent.setPriority(0); 9785 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9786 + a.className + " with priority > 0, forcing to 0"); 9787 } 9788 if (DEBUG_SHOW_INFO) { 9789 Log.v(TAG, " IntentFilter:"); 9790 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9791 } 9792 if (!intent.debugCheck()) { 9793 Log.w(TAG, "==> For Activity " + a.info.name); 9794 } 9795 addFilter(intent); 9796 } 9797 } 9798 9799 public final void removeActivity(PackageParser.Activity a, String type) { 9800 mActivities.remove(a.getComponentName()); 9801 if (DEBUG_SHOW_INFO) { 9802 Log.v(TAG, " " + type + " " 9803 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9804 : a.info.name) + ":"); 9805 Log.v(TAG, " Class=" + a.info.name); 9806 } 9807 final int NI = a.intents.size(); 9808 for (int j=0; j<NI; j++) { 9809 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9810 if (DEBUG_SHOW_INFO) { 9811 Log.v(TAG, " IntentFilter:"); 9812 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9813 } 9814 removeFilter(intent); 9815 } 9816 } 9817 9818 @Override 9819 protected boolean allowFilterResult( 9820 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9821 ActivityInfo filterAi = filter.activity.info; 9822 for (int i=dest.size()-1; i>=0; i--) { 9823 ActivityInfo destAi = dest.get(i).activityInfo; 9824 if (destAi.name == filterAi.name 9825 && destAi.packageName == filterAi.packageName) { 9826 return false; 9827 } 9828 } 9829 return true; 9830 } 9831 9832 @Override 9833 protected ActivityIntentInfo[] newArray(int size) { 9834 return new ActivityIntentInfo[size]; 9835 } 9836 9837 @Override 9838 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9839 if (!sUserManager.exists(userId)) return true; 9840 PackageParser.Package p = filter.activity.owner; 9841 if (p != null) { 9842 PackageSetting ps = (PackageSetting)p.mExtras; 9843 if (ps != null) { 9844 // System apps are never considered stopped for purposes of 9845 // filtering, because there may be no way for the user to 9846 // actually re-launch them. 9847 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9848 && ps.getStopped(userId); 9849 } 9850 } 9851 return false; 9852 } 9853 9854 @Override 9855 protected boolean isPackageForFilter(String packageName, 9856 PackageParser.ActivityIntentInfo info) { 9857 return packageName.equals(info.activity.owner.packageName); 9858 } 9859 9860 @Override 9861 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9862 int match, int userId) { 9863 if (!sUserManager.exists(userId)) return null; 9864 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9865 return null; 9866 } 9867 final PackageParser.Activity activity = info.activity; 9868 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9869 if (ps == null) { 9870 return null; 9871 } 9872 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9873 ps.readUserState(userId), userId); 9874 if (ai == null) { 9875 return null; 9876 } 9877 final ResolveInfo res = new ResolveInfo(); 9878 res.activityInfo = ai; 9879 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9880 res.filter = info; 9881 } 9882 if (info != null) { 9883 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9884 } 9885 res.priority = info.getPriority(); 9886 res.preferredOrder = activity.owner.mPreferredOrder; 9887 //System.out.println("Result: " + res.activityInfo.className + 9888 // " = " + res.priority); 9889 res.match = match; 9890 res.isDefault = info.hasDefault; 9891 res.labelRes = info.labelRes; 9892 res.nonLocalizedLabel = info.nonLocalizedLabel; 9893 if (userNeedsBadging(userId)) { 9894 res.noResourceId = true; 9895 } else { 9896 res.icon = info.icon; 9897 } 9898 res.iconResourceId = info.icon; 9899 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9900 return res; 9901 } 9902 9903 @Override 9904 protected void sortResults(List<ResolveInfo> results) { 9905 Collections.sort(results, mResolvePrioritySorter); 9906 } 9907 9908 @Override 9909 protected void dumpFilter(PrintWriter out, String prefix, 9910 PackageParser.ActivityIntentInfo filter) { 9911 out.print(prefix); out.print( 9912 Integer.toHexString(System.identityHashCode(filter.activity))); 9913 out.print(' '); 9914 filter.activity.printComponentShortName(out); 9915 out.print(" filter "); 9916 out.println(Integer.toHexString(System.identityHashCode(filter))); 9917 } 9918 9919 @Override 9920 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9921 return filter.activity; 9922 } 9923 9924 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9925 PackageParser.Activity activity = (PackageParser.Activity)label; 9926 out.print(prefix); out.print( 9927 Integer.toHexString(System.identityHashCode(activity))); 9928 out.print(' '); 9929 activity.printComponentShortName(out); 9930 if (count > 1) { 9931 out.print(" ("); out.print(count); out.print(" filters)"); 9932 } 9933 out.println(); 9934 } 9935 9936// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9937// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9938// final List<ResolveInfo> retList = Lists.newArrayList(); 9939// while (i.hasNext()) { 9940// final ResolveInfo resolveInfo = i.next(); 9941// if (isEnabledLP(resolveInfo.activityInfo)) { 9942// retList.add(resolveInfo); 9943// } 9944// } 9945// return retList; 9946// } 9947 9948 // Keys are String (activity class name), values are Activity. 9949 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9950 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9951 private int mFlags; 9952 } 9953 9954 private final class ServiceIntentResolver 9955 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9956 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9957 boolean defaultOnly, int userId) { 9958 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9959 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9960 } 9961 9962 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9963 int userId) { 9964 if (!sUserManager.exists(userId)) return null; 9965 mFlags = flags; 9966 return super.queryIntent(intent, resolvedType, 9967 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9968 } 9969 9970 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9971 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9972 if (!sUserManager.exists(userId)) return null; 9973 if (packageServices == null) { 9974 return null; 9975 } 9976 mFlags = flags; 9977 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9978 final int N = packageServices.size(); 9979 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9980 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9981 9982 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9983 for (int i = 0; i < N; ++i) { 9984 intentFilters = packageServices.get(i).intents; 9985 if (intentFilters != null && intentFilters.size() > 0) { 9986 PackageParser.ServiceIntentInfo[] array = 9987 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9988 intentFilters.toArray(array); 9989 listCut.add(array); 9990 } 9991 } 9992 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9993 } 9994 9995 public final void addService(PackageParser.Service s) { 9996 mServices.put(s.getComponentName(), s); 9997 if (DEBUG_SHOW_INFO) { 9998 Log.v(TAG, " " 9999 + (s.info.nonLocalizedLabel != null 10000 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10001 Log.v(TAG, " Class=" + s.info.name); 10002 } 10003 final int NI = s.intents.size(); 10004 int j; 10005 for (j=0; j<NI; j++) { 10006 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10007 if (DEBUG_SHOW_INFO) { 10008 Log.v(TAG, " IntentFilter:"); 10009 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10010 } 10011 if (!intent.debugCheck()) { 10012 Log.w(TAG, "==> For Service " + s.info.name); 10013 } 10014 addFilter(intent); 10015 } 10016 } 10017 10018 public final void removeService(PackageParser.Service s) { 10019 mServices.remove(s.getComponentName()); 10020 if (DEBUG_SHOW_INFO) { 10021 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10022 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10023 Log.v(TAG, " Class=" + s.info.name); 10024 } 10025 final int NI = s.intents.size(); 10026 int j; 10027 for (j=0; j<NI; j++) { 10028 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10029 if (DEBUG_SHOW_INFO) { 10030 Log.v(TAG, " IntentFilter:"); 10031 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10032 } 10033 removeFilter(intent); 10034 } 10035 } 10036 10037 @Override 10038 protected boolean allowFilterResult( 10039 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10040 ServiceInfo filterSi = filter.service.info; 10041 for (int i=dest.size()-1; i>=0; i--) { 10042 ServiceInfo destAi = dest.get(i).serviceInfo; 10043 if (destAi.name == filterSi.name 10044 && destAi.packageName == filterSi.packageName) { 10045 return false; 10046 } 10047 } 10048 return true; 10049 } 10050 10051 @Override 10052 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10053 return new PackageParser.ServiceIntentInfo[size]; 10054 } 10055 10056 @Override 10057 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10058 if (!sUserManager.exists(userId)) return true; 10059 PackageParser.Package p = filter.service.owner; 10060 if (p != null) { 10061 PackageSetting ps = (PackageSetting)p.mExtras; 10062 if (ps != null) { 10063 // System apps are never considered stopped for purposes of 10064 // filtering, because there may be no way for the user to 10065 // actually re-launch them. 10066 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10067 && ps.getStopped(userId); 10068 } 10069 } 10070 return false; 10071 } 10072 10073 @Override 10074 protected boolean isPackageForFilter(String packageName, 10075 PackageParser.ServiceIntentInfo info) { 10076 return packageName.equals(info.service.owner.packageName); 10077 } 10078 10079 @Override 10080 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10081 int match, int userId) { 10082 if (!sUserManager.exists(userId)) return null; 10083 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10084 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10085 return null; 10086 } 10087 final PackageParser.Service service = info.service; 10088 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10089 if (ps == null) { 10090 return null; 10091 } 10092 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10093 ps.readUserState(userId), userId); 10094 if (si == null) { 10095 return null; 10096 } 10097 final ResolveInfo res = new ResolveInfo(); 10098 res.serviceInfo = si; 10099 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10100 res.filter = filter; 10101 } 10102 res.priority = info.getPriority(); 10103 res.preferredOrder = service.owner.mPreferredOrder; 10104 res.match = match; 10105 res.isDefault = info.hasDefault; 10106 res.labelRes = info.labelRes; 10107 res.nonLocalizedLabel = info.nonLocalizedLabel; 10108 res.icon = info.icon; 10109 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10110 return res; 10111 } 10112 10113 @Override 10114 protected void sortResults(List<ResolveInfo> results) { 10115 Collections.sort(results, mResolvePrioritySorter); 10116 } 10117 10118 @Override 10119 protected void dumpFilter(PrintWriter out, String prefix, 10120 PackageParser.ServiceIntentInfo filter) { 10121 out.print(prefix); out.print( 10122 Integer.toHexString(System.identityHashCode(filter.service))); 10123 out.print(' '); 10124 filter.service.printComponentShortName(out); 10125 out.print(" filter "); 10126 out.println(Integer.toHexString(System.identityHashCode(filter))); 10127 } 10128 10129 @Override 10130 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10131 return filter.service; 10132 } 10133 10134 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10135 PackageParser.Service service = (PackageParser.Service)label; 10136 out.print(prefix); out.print( 10137 Integer.toHexString(System.identityHashCode(service))); 10138 out.print(' '); 10139 service.printComponentShortName(out); 10140 if (count > 1) { 10141 out.print(" ("); out.print(count); out.print(" filters)"); 10142 } 10143 out.println(); 10144 } 10145 10146// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10147// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10148// final List<ResolveInfo> retList = Lists.newArrayList(); 10149// while (i.hasNext()) { 10150// final ResolveInfo resolveInfo = (ResolveInfo) i; 10151// if (isEnabledLP(resolveInfo.serviceInfo)) { 10152// retList.add(resolveInfo); 10153// } 10154// } 10155// return retList; 10156// } 10157 10158 // Keys are String (activity class name), values are Activity. 10159 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10160 = new ArrayMap<ComponentName, PackageParser.Service>(); 10161 private int mFlags; 10162 }; 10163 10164 private final class ProviderIntentResolver 10165 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10166 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10167 boolean defaultOnly, int userId) { 10168 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10169 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10170 } 10171 10172 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10173 int userId) { 10174 if (!sUserManager.exists(userId)) 10175 return null; 10176 mFlags = flags; 10177 return super.queryIntent(intent, resolvedType, 10178 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10179 } 10180 10181 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10182 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10183 if (!sUserManager.exists(userId)) 10184 return null; 10185 if (packageProviders == null) { 10186 return null; 10187 } 10188 mFlags = flags; 10189 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10190 final int N = packageProviders.size(); 10191 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10192 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10193 10194 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10195 for (int i = 0; i < N; ++i) { 10196 intentFilters = packageProviders.get(i).intents; 10197 if (intentFilters != null && intentFilters.size() > 0) { 10198 PackageParser.ProviderIntentInfo[] array = 10199 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10200 intentFilters.toArray(array); 10201 listCut.add(array); 10202 } 10203 } 10204 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10205 } 10206 10207 public final void addProvider(PackageParser.Provider p) { 10208 if (mProviders.containsKey(p.getComponentName())) { 10209 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10210 return; 10211 } 10212 10213 mProviders.put(p.getComponentName(), p); 10214 if (DEBUG_SHOW_INFO) { 10215 Log.v(TAG, " " 10216 + (p.info.nonLocalizedLabel != null 10217 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10218 Log.v(TAG, " Class=" + p.info.name); 10219 } 10220 final int NI = p.intents.size(); 10221 int j; 10222 for (j = 0; j < NI; j++) { 10223 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10224 if (DEBUG_SHOW_INFO) { 10225 Log.v(TAG, " IntentFilter:"); 10226 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10227 } 10228 if (!intent.debugCheck()) { 10229 Log.w(TAG, "==> For Provider " + p.info.name); 10230 } 10231 addFilter(intent); 10232 } 10233 } 10234 10235 public final void removeProvider(PackageParser.Provider p) { 10236 mProviders.remove(p.getComponentName()); 10237 if (DEBUG_SHOW_INFO) { 10238 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10239 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10240 Log.v(TAG, " Class=" + p.info.name); 10241 } 10242 final int NI = p.intents.size(); 10243 int j; 10244 for (j = 0; j < NI; j++) { 10245 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10246 if (DEBUG_SHOW_INFO) { 10247 Log.v(TAG, " IntentFilter:"); 10248 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10249 } 10250 removeFilter(intent); 10251 } 10252 } 10253 10254 @Override 10255 protected boolean allowFilterResult( 10256 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10257 ProviderInfo filterPi = filter.provider.info; 10258 for (int i = dest.size() - 1; i >= 0; i--) { 10259 ProviderInfo destPi = dest.get(i).providerInfo; 10260 if (destPi.name == filterPi.name 10261 && destPi.packageName == filterPi.packageName) { 10262 return false; 10263 } 10264 } 10265 return true; 10266 } 10267 10268 @Override 10269 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10270 return new PackageParser.ProviderIntentInfo[size]; 10271 } 10272 10273 @Override 10274 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10275 if (!sUserManager.exists(userId)) 10276 return true; 10277 PackageParser.Package p = filter.provider.owner; 10278 if (p != null) { 10279 PackageSetting ps = (PackageSetting) p.mExtras; 10280 if (ps != null) { 10281 // System apps are never considered stopped for purposes of 10282 // filtering, because there may be no way for the user to 10283 // actually re-launch them. 10284 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10285 && ps.getStopped(userId); 10286 } 10287 } 10288 return false; 10289 } 10290 10291 @Override 10292 protected boolean isPackageForFilter(String packageName, 10293 PackageParser.ProviderIntentInfo info) { 10294 return packageName.equals(info.provider.owner.packageName); 10295 } 10296 10297 @Override 10298 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10299 int match, int userId) { 10300 if (!sUserManager.exists(userId)) 10301 return null; 10302 final PackageParser.ProviderIntentInfo info = filter; 10303 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10304 return null; 10305 } 10306 final PackageParser.Provider provider = info.provider; 10307 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10308 if (ps == null) { 10309 return null; 10310 } 10311 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10312 ps.readUserState(userId), userId); 10313 if (pi == null) { 10314 return null; 10315 } 10316 final ResolveInfo res = new ResolveInfo(); 10317 res.providerInfo = pi; 10318 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10319 res.filter = filter; 10320 } 10321 res.priority = info.getPriority(); 10322 res.preferredOrder = provider.owner.mPreferredOrder; 10323 res.match = match; 10324 res.isDefault = info.hasDefault; 10325 res.labelRes = info.labelRes; 10326 res.nonLocalizedLabel = info.nonLocalizedLabel; 10327 res.icon = info.icon; 10328 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10329 return res; 10330 } 10331 10332 @Override 10333 protected void sortResults(List<ResolveInfo> results) { 10334 Collections.sort(results, mResolvePrioritySorter); 10335 } 10336 10337 @Override 10338 protected void dumpFilter(PrintWriter out, String prefix, 10339 PackageParser.ProviderIntentInfo filter) { 10340 out.print(prefix); 10341 out.print( 10342 Integer.toHexString(System.identityHashCode(filter.provider))); 10343 out.print(' '); 10344 filter.provider.printComponentShortName(out); 10345 out.print(" filter "); 10346 out.println(Integer.toHexString(System.identityHashCode(filter))); 10347 } 10348 10349 @Override 10350 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10351 return filter.provider; 10352 } 10353 10354 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10355 PackageParser.Provider provider = (PackageParser.Provider)label; 10356 out.print(prefix); out.print( 10357 Integer.toHexString(System.identityHashCode(provider))); 10358 out.print(' '); 10359 provider.printComponentShortName(out); 10360 if (count > 1) { 10361 out.print(" ("); out.print(count); out.print(" filters)"); 10362 } 10363 out.println(); 10364 } 10365 10366 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10367 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10368 private int mFlags; 10369 } 10370 10371 private static final class EphemeralIntentResolver 10372 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10373 @Override 10374 protected EphemeralResolveIntentInfo[] newArray(int size) { 10375 return new EphemeralResolveIntentInfo[size]; 10376 } 10377 10378 @Override 10379 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10380 return true; 10381 } 10382 10383 @Override 10384 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10385 int userId) { 10386 if (!sUserManager.exists(userId)) { 10387 return null; 10388 } 10389 return info.getEphemeralResolveInfo(); 10390 } 10391 } 10392 10393 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10394 new Comparator<ResolveInfo>() { 10395 public int compare(ResolveInfo r1, ResolveInfo r2) { 10396 int v1 = r1.priority; 10397 int v2 = r2.priority; 10398 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10399 if (v1 != v2) { 10400 return (v1 > v2) ? -1 : 1; 10401 } 10402 v1 = r1.preferredOrder; 10403 v2 = r2.preferredOrder; 10404 if (v1 != v2) { 10405 return (v1 > v2) ? -1 : 1; 10406 } 10407 if (r1.isDefault != r2.isDefault) { 10408 return r1.isDefault ? -1 : 1; 10409 } 10410 v1 = r1.match; 10411 v2 = r2.match; 10412 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10413 if (v1 != v2) { 10414 return (v1 > v2) ? -1 : 1; 10415 } 10416 if (r1.system != r2.system) { 10417 return r1.system ? -1 : 1; 10418 } 10419 if (r1.activityInfo != null) { 10420 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10421 } 10422 if (r1.serviceInfo != null) { 10423 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10424 } 10425 if (r1.providerInfo != null) { 10426 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10427 } 10428 return 0; 10429 } 10430 }; 10431 10432 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10433 new Comparator<ProviderInfo>() { 10434 public int compare(ProviderInfo p1, ProviderInfo p2) { 10435 final int v1 = p1.initOrder; 10436 final int v2 = p2.initOrder; 10437 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10438 } 10439 }; 10440 10441 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10442 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10443 final int[] userIds) { 10444 mHandler.post(new Runnable() { 10445 @Override 10446 public void run() { 10447 try { 10448 final IActivityManager am = ActivityManagerNative.getDefault(); 10449 if (am == null) return; 10450 final int[] resolvedUserIds; 10451 if (userIds == null) { 10452 resolvedUserIds = am.getRunningUserIds(); 10453 } else { 10454 resolvedUserIds = userIds; 10455 } 10456 for (int id : resolvedUserIds) { 10457 final Intent intent = new Intent(action, 10458 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10459 if (extras != null) { 10460 intent.putExtras(extras); 10461 } 10462 if (targetPkg != null) { 10463 intent.setPackage(targetPkg); 10464 } 10465 // Modify the UID when posting to other users 10466 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10467 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10468 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10469 intent.putExtra(Intent.EXTRA_UID, uid); 10470 } 10471 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10472 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10473 if (DEBUG_BROADCASTS) { 10474 RuntimeException here = new RuntimeException("here"); 10475 here.fillInStackTrace(); 10476 Slog.d(TAG, "Sending to user " + id + ": " 10477 + intent.toShortString(false, true, false, false) 10478 + " " + intent.getExtras(), here); 10479 } 10480 am.broadcastIntent(null, intent, null, finishedReceiver, 10481 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10482 null, finishedReceiver != null, false, id); 10483 } 10484 } catch (RemoteException ex) { 10485 } 10486 } 10487 }); 10488 } 10489 10490 /** 10491 * Check if the external storage media is available. This is true if there 10492 * is a mounted external storage medium or if the external storage is 10493 * emulated. 10494 */ 10495 private boolean isExternalMediaAvailable() { 10496 return mMediaMounted || Environment.isExternalStorageEmulated(); 10497 } 10498 10499 @Override 10500 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10501 // writer 10502 synchronized (mPackages) { 10503 if (!isExternalMediaAvailable()) { 10504 // If the external storage is no longer mounted at this point, 10505 // the caller may not have been able to delete all of this 10506 // packages files and can not delete any more. Bail. 10507 return null; 10508 } 10509 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10510 if (lastPackage != null) { 10511 pkgs.remove(lastPackage); 10512 } 10513 if (pkgs.size() > 0) { 10514 return pkgs.get(0); 10515 } 10516 } 10517 return null; 10518 } 10519 10520 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10521 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10522 userId, andCode ? 1 : 0, packageName); 10523 if (mSystemReady) { 10524 msg.sendToTarget(); 10525 } else { 10526 if (mPostSystemReadyMessages == null) { 10527 mPostSystemReadyMessages = new ArrayList<>(); 10528 } 10529 mPostSystemReadyMessages.add(msg); 10530 } 10531 } 10532 10533 void startCleaningPackages() { 10534 // reader 10535 if (!isExternalMediaAvailable()) { 10536 return; 10537 } 10538 synchronized (mPackages) { 10539 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10540 return; 10541 } 10542 } 10543 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10544 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10545 IActivityManager am = ActivityManagerNative.getDefault(); 10546 if (am != null) { 10547 try { 10548 am.startService(null, intent, null, mContext.getOpPackageName(), 10549 UserHandle.USER_SYSTEM); 10550 } catch (RemoteException e) { 10551 } 10552 } 10553 } 10554 10555 @Override 10556 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10557 int installFlags, String installerPackageName, int userId) { 10558 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10559 10560 final int callingUid = Binder.getCallingUid(); 10561 enforceCrossUserPermission(callingUid, userId, 10562 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 10563 10564 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10565 try { 10566 if (observer != null) { 10567 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10568 } 10569 } catch (RemoteException re) { 10570 } 10571 return; 10572 } 10573 10574 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10575 installFlags |= PackageManager.INSTALL_FROM_ADB; 10576 10577 } else { 10578 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10579 // about installerPackageName. 10580 10581 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10582 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10583 } 10584 10585 UserHandle user; 10586 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10587 user = UserHandle.ALL; 10588 } else { 10589 user = new UserHandle(userId); 10590 } 10591 10592 // Only system components can circumvent runtime permissions when installing. 10593 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10594 && mContext.checkCallingOrSelfPermission(Manifest.permission 10595 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10596 throw new SecurityException("You need the " 10597 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10598 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10599 } 10600 10601 final File originFile = new File(originPath); 10602 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10603 10604 final Message msg = mHandler.obtainMessage(INIT_COPY); 10605 final VerificationInfo verificationInfo = new VerificationInfo( 10606 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 10607 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 10608 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 10609 null /*packageAbiOverride*/, null /*grantedPermissions*/); 10610 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10611 msg.obj = params; 10612 10613 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10614 System.identityHashCode(msg.obj)); 10615 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10616 System.identityHashCode(msg.obj)); 10617 10618 mHandler.sendMessage(msg); 10619 } 10620 10621 void installStage(String packageName, File stagedDir, String stagedCid, 10622 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10623 String installerPackageName, int installerUid, UserHandle user) { 10624 if (DEBUG_EPHEMERAL) { 10625 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10626 Slog.d(TAG, "Ephemeral install of " + packageName); 10627 } 10628 } 10629 final VerificationInfo verificationInfo = new VerificationInfo( 10630 sessionParams.originatingUri, sessionParams.referrerUri, 10631 sessionParams.originatingUid, installerUid); 10632 10633 final OriginInfo origin; 10634 if (stagedDir != null) { 10635 origin = OriginInfo.fromStagedFile(stagedDir); 10636 } else { 10637 origin = OriginInfo.fromStagedContainer(stagedCid); 10638 } 10639 10640 final Message msg = mHandler.obtainMessage(INIT_COPY); 10641 final InstallParams params = new InstallParams(origin, null, observer, 10642 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10643 verificationInfo, user, sessionParams.abiOverride, 10644 sessionParams.grantedRuntimePermissions); 10645 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10646 msg.obj = params; 10647 10648 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10649 System.identityHashCode(msg.obj)); 10650 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10651 System.identityHashCode(msg.obj)); 10652 10653 mHandler.sendMessage(msg); 10654 } 10655 10656 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 10657 int userId) { 10658 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10659 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 10660 } 10661 10662 private void sendPackageAddedForUser(String packageName, boolean isSystem, 10663 int appId, int userId) { 10664 Bundle extras = new Bundle(1); 10665 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 10666 10667 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10668 packageName, extras, 0, null, null, new int[] {userId}); 10669 try { 10670 IActivityManager am = ActivityManagerNative.getDefault(); 10671 if (isSystem && am.isUserRunning(userId, 0)) { 10672 // The just-installed/enabled app is bundled on the system, so presumed 10673 // to be able to run automatically without needing an explicit launch. 10674 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10675 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10676 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10677 .setPackage(packageName); 10678 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10679 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10680 } 10681 } catch (RemoteException e) { 10682 // shouldn't happen 10683 Slog.w(TAG, "Unable to bootstrap installed package", e); 10684 } 10685 } 10686 10687 @Override 10688 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10689 int userId) { 10690 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10691 PackageSetting pkgSetting; 10692 final int uid = Binder.getCallingUid(); 10693 enforceCrossUserPermission(uid, userId, 10694 true /* requireFullPermission */, true /* checkShell */, 10695 "setApplicationHiddenSetting for user " + userId); 10696 10697 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10698 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10699 return false; 10700 } 10701 10702 long callingId = Binder.clearCallingIdentity(); 10703 try { 10704 boolean sendAdded = false; 10705 boolean sendRemoved = false; 10706 // writer 10707 synchronized (mPackages) { 10708 pkgSetting = mSettings.mPackages.get(packageName); 10709 if (pkgSetting == null) { 10710 return false; 10711 } 10712 if (pkgSetting.getHidden(userId) != hidden) { 10713 pkgSetting.setHidden(hidden, userId); 10714 mSettings.writePackageRestrictionsLPr(userId); 10715 if (hidden) { 10716 sendRemoved = true; 10717 } else { 10718 sendAdded = true; 10719 } 10720 } 10721 } 10722 if (sendAdded) { 10723 sendPackageAddedForUser(packageName, pkgSetting, userId); 10724 return true; 10725 } 10726 if (sendRemoved) { 10727 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10728 "hiding pkg"); 10729 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10730 return true; 10731 } 10732 } finally { 10733 Binder.restoreCallingIdentity(callingId); 10734 } 10735 return false; 10736 } 10737 10738 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10739 int userId) { 10740 final PackageRemovedInfo info = new PackageRemovedInfo(); 10741 info.removedPackage = packageName; 10742 info.removedUsers = new int[] {userId}; 10743 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10744 info.sendPackageRemovedBroadcasts(true /*killApp*/); 10745 } 10746 10747 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 10748 if (pkgList.length > 0) { 10749 Bundle extras = new Bundle(1); 10750 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 10751 10752 sendPackageBroadcast( 10753 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 10754 : Intent.ACTION_PACKAGES_UNSUSPENDED, 10755 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 10756 new int[] {userId}); 10757 } 10758 } 10759 10760 /** 10761 * Returns true if application is not found or there was an error. Otherwise it returns 10762 * the hidden state of the package for the given user. 10763 */ 10764 @Override 10765 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10766 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10767 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10768 true /* requireFullPermission */, false /* checkShell */, 10769 "getApplicationHidden for user " + userId); 10770 PackageSetting pkgSetting; 10771 long callingId = Binder.clearCallingIdentity(); 10772 try { 10773 // writer 10774 synchronized (mPackages) { 10775 pkgSetting = mSettings.mPackages.get(packageName); 10776 if (pkgSetting == null) { 10777 return true; 10778 } 10779 return pkgSetting.getHidden(userId); 10780 } 10781 } finally { 10782 Binder.restoreCallingIdentity(callingId); 10783 } 10784 } 10785 10786 /** 10787 * @hide 10788 */ 10789 @Override 10790 public int installExistingPackageAsUser(String packageName, int userId) { 10791 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10792 null); 10793 PackageSetting pkgSetting; 10794 final int uid = Binder.getCallingUid(); 10795 enforceCrossUserPermission(uid, userId, 10796 true /* requireFullPermission */, true /* checkShell */, 10797 "installExistingPackage for user " + userId); 10798 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10799 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10800 } 10801 10802 long callingId = Binder.clearCallingIdentity(); 10803 try { 10804 boolean installed = false; 10805 10806 // writer 10807 synchronized (mPackages) { 10808 pkgSetting = mSettings.mPackages.get(packageName); 10809 if (pkgSetting == null) { 10810 return PackageManager.INSTALL_FAILED_INVALID_URI; 10811 } 10812 if (!pkgSetting.getInstalled(userId)) { 10813 pkgSetting.setInstalled(true, userId); 10814 pkgSetting.setHidden(false, userId); 10815 mSettings.writePackageRestrictionsLPr(userId); 10816 installed = true; 10817 } 10818 } 10819 10820 if (installed) { 10821 if (pkgSetting.pkg != null) { 10822 prepareAppDataAfterInstall(pkgSetting.pkg); 10823 } 10824 sendPackageAddedForUser(packageName, pkgSetting, userId); 10825 } 10826 } finally { 10827 Binder.restoreCallingIdentity(callingId); 10828 } 10829 10830 return PackageManager.INSTALL_SUCCEEDED; 10831 } 10832 10833 boolean isUserRestricted(int userId, String restrictionKey) { 10834 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10835 if (restrictions.getBoolean(restrictionKey, false)) { 10836 Log.w(TAG, "User is restricted: " + restrictionKey); 10837 return true; 10838 } 10839 return false; 10840 } 10841 10842 @Override 10843 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 10844 int userId) { 10845 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10846 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10847 true /* requireFullPermission */, true /* checkShell */, 10848 "setPackagesSuspended for user " + userId); 10849 10850 if (ArrayUtils.isEmpty(packageNames)) { 10851 return packageNames; 10852 } 10853 10854 // List of package names for whom the suspended state has changed. 10855 List<String> changedPackages = new ArrayList<>(packageNames.length); 10856 // List of package names for whom the suspended state is not set as requested in this 10857 // method. 10858 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 10859 for (int i = 0; i < packageNames.length; i++) { 10860 String packageName = packageNames[i]; 10861 long callingId = Binder.clearCallingIdentity(); 10862 try { 10863 boolean changed = false; 10864 final int appId; 10865 synchronized (mPackages) { 10866 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10867 if (pkgSetting == null) { 10868 Slog.w(TAG, "Could not find package setting for package \"" + packageName 10869 + "\". Skipping suspending/un-suspending."); 10870 unactionedPackages.add(packageName); 10871 continue; 10872 } 10873 appId = pkgSetting.appId; 10874 if (pkgSetting.getSuspended(userId) != suspended) { 10875 if (!canSuspendPackageForUserLocked(packageName, userId)) { 10876 unactionedPackages.add(packageName); 10877 continue; 10878 } 10879 pkgSetting.setSuspended(suspended, userId); 10880 mSettings.writePackageRestrictionsLPr(userId); 10881 changed = true; 10882 changedPackages.add(packageName); 10883 } 10884 } 10885 10886 if (changed && suspended) { 10887 killApplication(packageName, UserHandle.getUid(userId, appId), 10888 "suspending package"); 10889 } 10890 } finally { 10891 Binder.restoreCallingIdentity(callingId); 10892 } 10893 } 10894 10895 if (!changedPackages.isEmpty()) { 10896 sendPackagesSuspendedForUser(changedPackages.toArray( 10897 new String[changedPackages.size()]), userId, suspended); 10898 } 10899 10900 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 10901 } 10902 10903 @Override 10904 public boolean isPackageSuspendedForUser(String packageName, int userId) { 10905 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10906 true /* requireFullPermission */, false /* checkShell */, 10907 "isPackageSuspendedForUser for user " + userId); 10908 synchronized (mPackages) { 10909 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10910 return pkgSetting != null && pkgSetting.getSuspended(userId); 10911 } 10912 } 10913 10914 /** 10915 * TODO: cache and disallow blocking the active dialer. 10916 * 10917 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 10918 */ 10919 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 10920 if (isPackageDeviceAdmin(packageName, userId)) { 10921 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10922 + "\": has an active device admin"); 10923 return false; 10924 } 10925 10926 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 10927 if (packageName.equals(activeLauncherPackageName)) { 10928 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10929 + "\": contains the active launcher"); 10930 return false; 10931 } 10932 10933 if (packageName.equals(mRequiredInstallerPackage)) { 10934 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10935 + "\": required for package installation"); 10936 return false; 10937 } 10938 10939 if (packageName.equals(mRequiredVerifierPackage)) { 10940 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10941 + "\": required for package verification"); 10942 return false; 10943 } 10944 10945 final PackageParser.Package pkg = mPackages.get(packageName); 10946 if (pkg != null && isPrivilegedApp(pkg)) { 10947 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10948 + "\": is a privileged app"); 10949 return false; 10950 } 10951 10952 return true; 10953 } 10954 10955 private String getActiveLauncherPackageName(int userId) { 10956 Intent intent = new Intent(Intent.ACTION_MAIN); 10957 intent.addCategory(Intent.CATEGORY_HOME); 10958 ResolveInfo resolveInfo = resolveIntent( 10959 intent, 10960 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 10961 PackageManager.MATCH_DEFAULT_ONLY, 10962 userId); 10963 10964 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 10965 } 10966 10967 @Override 10968 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10969 mContext.enforceCallingOrSelfPermission( 10970 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10971 "Only package verification agents can verify applications"); 10972 10973 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10974 final PackageVerificationResponse response = new PackageVerificationResponse( 10975 verificationCode, Binder.getCallingUid()); 10976 msg.arg1 = id; 10977 msg.obj = response; 10978 mHandler.sendMessage(msg); 10979 } 10980 10981 @Override 10982 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10983 long millisecondsToDelay) { 10984 mContext.enforceCallingOrSelfPermission( 10985 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10986 "Only package verification agents can extend verification timeouts"); 10987 10988 final PackageVerificationState state = mPendingVerification.get(id); 10989 final PackageVerificationResponse response = new PackageVerificationResponse( 10990 verificationCodeAtTimeout, Binder.getCallingUid()); 10991 10992 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10993 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10994 } 10995 if (millisecondsToDelay < 0) { 10996 millisecondsToDelay = 0; 10997 } 10998 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10999 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11000 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11001 } 11002 11003 if ((state != null) && !state.timeoutExtended()) { 11004 state.extendTimeout(); 11005 11006 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11007 msg.arg1 = id; 11008 msg.obj = response; 11009 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11010 } 11011 } 11012 11013 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11014 int verificationCode, UserHandle user) { 11015 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11016 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11017 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11018 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11019 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11020 11021 mContext.sendBroadcastAsUser(intent, user, 11022 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11023 } 11024 11025 private ComponentName matchComponentForVerifier(String packageName, 11026 List<ResolveInfo> receivers) { 11027 ActivityInfo targetReceiver = null; 11028 11029 final int NR = receivers.size(); 11030 for (int i = 0; i < NR; i++) { 11031 final ResolveInfo info = receivers.get(i); 11032 if (info.activityInfo == null) { 11033 continue; 11034 } 11035 11036 if (packageName.equals(info.activityInfo.packageName)) { 11037 targetReceiver = info.activityInfo; 11038 break; 11039 } 11040 } 11041 11042 if (targetReceiver == null) { 11043 return null; 11044 } 11045 11046 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11047 } 11048 11049 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11050 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11051 if (pkgInfo.verifiers.length == 0) { 11052 return null; 11053 } 11054 11055 final int N = pkgInfo.verifiers.length; 11056 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11057 for (int i = 0; i < N; i++) { 11058 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11059 11060 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11061 receivers); 11062 if (comp == null) { 11063 continue; 11064 } 11065 11066 final int verifierUid = getUidForVerifier(verifierInfo); 11067 if (verifierUid == -1) { 11068 continue; 11069 } 11070 11071 if (DEBUG_VERIFY) { 11072 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11073 + " with the correct signature"); 11074 } 11075 sufficientVerifiers.add(comp); 11076 verificationState.addSufficientVerifier(verifierUid); 11077 } 11078 11079 return sufficientVerifiers; 11080 } 11081 11082 private int getUidForVerifier(VerifierInfo verifierInfo) { 11083 synchronized (mPackages) { 11084 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11085 if (pkg == null) { 11086 return -1; 11087 } else if (pkg.mSignatures.length != 1) { 11088 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11089 + " has more than one signature; ignoring"); 11090 return -1; 11091 } 11092 11093 /* 11094 * If the public key of the package's signature does not match 11095 * our expected public key, then this is a different package and 11096 * we should skip. 11097 */ 11098 11099 final byte[] expectedPublicKey; 11100 try { 11101 final Signature verifierSig = pkg.mSignatures[0]; 11102 final PublicKey publicKey = verifierSig.getPublicKey(); 11103 expectedPublicKey = publicKey.getEncoded(); 11104 } catch (CertificateException e) { 11105 return -1; 11106 } 11107 11108 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11109 11110 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11111 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11112 + " does not have the expected public key; ignoring"); 11113 return -1; 11114 } 11115 11116 return pkg.applicationInfo.uid; 11117 } 11118 } 11119 11120 @Override 11121 public void finishPackageInstall(int token) { 11122 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11123 11124 if (DEBUG_INSTALL) { 11125 Slog.v(TAG, "BM finishing package install for " + token); 11126 } 11127 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11128 11129 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11130 mHandler.sendMessage(msg); 11131 } 11132 11133 /** 11134 * Get the verification agent timeout. 11135 * 11136 * @return verification timeout in milliseconds 11137 */ 11138 private long getVerificationTimeout() { 11139 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11140 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11141 DEFAULT_VERIFICATION_TIMEOUT); 11142 } 11143 11144 /** 11145 * Get the default verification agent response code. 11146 * 11147 * @return default verification response code 11148 */ 11149 private int getDefaultVerificationResponse() { 11150 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11151 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11152 DEFAULT_VERIFICATION_RESPONSE); 11153 } 11154 11155 /** 11156 * Check whether or not package verification has been enabled. 11157 * 11158 * @return true if verification should be performed 11159 */ 11160 private boolean isVerificationEnabled(int userId, int installFlags) { 11161 if (!DEFAULT_VERIFY_ENABLE) { 11162 return false; 11163 } 11164 // Ephemeral apps don't get the full verification treatment 11165 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11166 if (DEBUG_EPHEMERAL) { 11167 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11168 } 11169 return false; 11170 } 11171 11172 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11173 11174 // Check if installing from ADB 11175 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11176 // Do not run verification in a test harness environment 11177 if (ActivityManager.isRunningInTestHarness()) { 11178 return false; 11179 } 11180 if (ensureVerifyAppsEnabled) { 11181 return true; 11182 } 11183 // Check if the developer does not want package verification for ADB installs 11184 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11185 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11186 return false; 11187 } 11188 } 11189 11190 if (ensureVerifyAppsEnabled) { 11191 return true; 11192 } 11193 11194 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11195 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11196 } 11197 11198 @Override 11199 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11200 throws RemoteException { 11201 mContext.enforceCallingOrSelfPermission( 11202 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11203 "Only intentfilter verification agents can verify applications"); 11204 11205 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11206 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11207 Binder.getCallingUid(), verificationCode, failedDomains); 11208 msg.arg1 = id; 11209 msg.obj = response; 11210 mHandler.sendMessage(msg); 11211 } 11212 11213 @Override 11214 public int getIntentVerificationStatus(String packageName, int userId) { 11215 synchronized (mPackages) { 11216 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11217 } 11218 } 11219 11220 @Override 11221 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11222 mContext.enforceCallingOrSelfPermission( 11223 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11224 11225 boolean result = false; 11226 synchronized (mPackages) { 11227 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11228 } 11229 if (result) { 11230 scheduleWritePackageRestrictionsLocked(userId); 11231 } 11232 return result; 11233 } 11234 11235 @Override 11236 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11237 String packageName) { 11238 synchronized (mPackages) { 11239 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11240 } 11241 } 11242 11243 @Override 11244 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11245 if (TextUtils.isEmpty(packageName)) { 11246 return ParceledListSlice.emptyList(); 11247 } 11248 synchronized (mPackages) { 11249 PackageParser.Package pkg = mPackages.get(packageName); 11250 if (pkg == null || pkg.activities == null) { 11251 return ParceledListSlice.emptyList(); 11252 } 11253 final int count = pkg.activities.size(); 11254 ArrayList<IntentFilter> result = new ArrayList<>(); 11255 for (int n=0; n<count; n++) { 11256 PackageParser.Activity activity = pkg.activities.get(n); 11257 if (activity.intents != null && activity.intents.size() > 0) { 11258 result.addAll(activity.intents); 11259 } 11260 } 11261 return new ParceledListSlice<>(result); 11262 } 11263 } 11264 11265 @Override 11266 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11267 mContext.enforceCallingOrSelfPermission( 11268 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11269 11270 synchronized (mPackages) { 11271 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11272 if (packageName != null) { 11273 result |= updateIntentVerificationStatus(packageName, 11274 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11275 userId); 11276 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11277 packageName, userId); 11278 } 11279 return result; 11280 } 11281 } 11282 11283 @Override 11284 public String getDefaultBrowserPackageName(int userId) { 11285 synchronized (mPackages) { 11286 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11287 } 11288 } 11289 11290 /** 11291 * Get the "allow unknown sources" setting. 11292 * 11293 * @return the current "allow unknown sources" setting 11294 */ 11295 private int getUnknownSourcesSettings() { 11296 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11297 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 11298 -1); 11299 } 11300 11301 @Override 11302 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11303 final int uid = Binder.getCallingUid(); 11304 // writer 11305 synchronized (mPackages) { 11306 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11307 if (targetPackageSetting == null) { 11308 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11309 } 11310 11311 PackageSetting installerPackageSetting; 11312 if (installerPackageName != null) { 11313 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11314 if (installerPackageSetting == null) { 11315 throw new IllegalArgumentException("Unknown installer package: " 11316 + installerPackageName); 11317 } 11318 } else { 11319 installerPackageSetting = null; 11320 } 11321 11322 Signature[] callerSignature; 11323 Object obj = mSettings.getUserIdLPr(uid); 11324 if (obj != null) { 11325 if (obj instanceof SharedUserSetting) { 11326 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11327 } else if (obj instanceof PackageSetting) { 11328 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11329 } else { 11330 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11331 } 11332 } else { 11333 throw new SecurityException("Unknown calling UID: " + uid); 11334 } 11335 11336 // Verify: can't set installerPackageName to a package that is 11337 // not signed with the same cert as the caller. 11338 if (installerPackageSetting != null) { 11339 if (compareSignatures(callerSignature, 11340 installerPackageSetting.signatures.mSignatures) 11341 != PackageManager.SIGNATURE_MATCH) { 11342 throw new SecurityException( 11343 "Caller does not have same cert as new installer package " 11344 + installerPackageName); 11345 } 11346 } 11347 11348 // Verify: if target already has an installer package, it must 11349 // be signed with the same cert as the caller. 11350 if (targetPackageSetting.installerPackageName != null) { 11351 PackageSetting setting = mSettings.mPackages.get( 11352 targetPackageSetting.installerPackageName); 11353 // If the currently set package isn't valid, then it's always 11354 // okay to change it. 11355 if (setting != null) { 11356 if (compareSignatures(callerSignature, 11357 setting.signatures.mSignatures) 11358 != PackageManager.SIGNATURE_MATCH) { 11359 throw new SecurityException( 11360 "Caller does not have same cert as old installer package " 11361 + targetPackageSetting.installerPackageName); 11362 } 11363 } 11364 } 11365 11366 // Okay! 11367 targetPackageSetting.installerPackageName = installerPackageName; 11368 scheduleWriteSettingsLocked(); 11369 } 11370 } 11371 11372 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11373 // Queue up an async operation since the package installation may take a little while. 11374 mHandler.post(new Runnable() { 11375 public void run() { 11376 mHandler.removeCallbacks(this); 11377 // Result object to be returned 11378 PackageInstalledInfo res = new PackageInstalledInfo(); 11379 res.setReturnCode(currentStatus); 11380 res.uid = -1; 11381 res.pkg = null; 11382 res.removedInfo = null; 11383 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11384 args.doPreInstall(res.returnCode); 11385 synchronized (mInstallLock) { 11386 installPackageTracedLI(args, res); 11387 } 11388 args.doPostInstall(res.returnCode, res.uid); 11389 } 11390 11391 // A restore should be performed at this point if (a) the install 11392 // succeeded, (b) the operation is not an update, and (c) the new 11393 // package has not opted out of backup participation. 11394 final boolean update = res.removedInfo != null 11395 && res.removedInfo.removedPackage != null; 11396 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11397 boolean doRestore = !update 11398 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11399 11400 // Set up the post-install work request bookkeeping. This will be used 11401 // and cleaned up by the post-install event handling regardless of whether 11402 // there's a restore pass performed. Token values are >= 1. 11403 int token; 11404 if (mNextInstallToken < 0) mNextInstallToken = 1; 11405 token = mNextInstallToken++; 11406 11407 PostInstallData data = new PostInstallData(args, res); 11408 mRunningInstalls.put(token, data); 11409 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11410 11411 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11412 // Pass responsibility to the Backup Manager. It will perform a 11413 // restore if appropriate, then pass responsibility back to the 11414 // Package Manager to run the post-install observer callbacks 11415 // and broadcasts. 11416 IBackupManager bm = IBackupManager.Stub.asInterface( 11417 ServiceManager.getService(Context.BACKUP_SERVICE)); 11418 if (bm != null) { 11419 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11420 + " to BM for possible restore"); 11421 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11422 try { 11423 // TODO: http://b/22388012 11424 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11425 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11426 } else { 11427 doRestore = false; 11428 } 11429 } catch (RemoteException e) { 11430 // can't happen; the backup manager is local 11431 } catch (Exception e) { 11432 Slog.e(TAG, "Exception trying to enqueue restore", e); 11433 doRestore = false; 11434 } 11435 } else { 11436 Slog.e(TAG, "Backup Manager not found!"); 11437 doRestore = false; 11438 } 11439 } 11440 11441 if (!doRestore) { 11442 // No restore possible, or the Backup Manager was mysteriously not 11443 // available -- just fire the post-install work request directly. 11444 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11445 11446 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11447 11448 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11449 mHandler.sendMessage(msg); 11450 } 11451 } 11452 }); 11453 } 11454 11455 private abstract class HandlerParams { 11456 private static final int MAX_RETRIES = 4; 11457 11458 /** 11459 * Number of times startCopy() has been attempted and had a non-fatal 11460 * error. 11461 */ 11462 private int mRetries = 0; 11463 11464 /** User handle for the user requesting the information or installation. */ 11465 private final UserHandle mUser; 11466 String traceMethod; 11467 int traceCookie; 11468 11469 HandlerParams(UserHandle user) { 11470 mUser = user; 11471 } 11472 11473 UserHandle getUser() { 11474 return mUser; 11475 } 11476 11477 HandlerParams setTraceMethod(String traceMethod) { 11478 this.traceMethod = traceMethod; 11479 return this; 11480 } 11481 11482 HandlerParams setTraceCookie(int traceCookie) { 11483 this.traceCookie = traceCookie; 11484 return this; 11485 } 11486 11487 final boolean startCopy() { 11488 boolean res; 11489 try { 11490 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11491 11492 if (++mRetries > MAX_RETRIES) { 11493 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11494 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11495 handleServiceError(); 11496 return false; 11497 } else { 11498 handleStartCopy(); 11499 res = true; 11500 } 11501 } catch (RemoteException e) { 11502 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11503 mHandler.sendEmptyMessage(MCS_RECONNECT); 11504 res = false; 11505 } 11506 handleReturnCode(); 11507 return res; 11508 } 11509 11510 final void serviceError() { 11511 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11512 handleServiceError(); 11513 handleReturnCode(); 11514 } 11515 11516 abstract void handleStartCopy() throws RemoteException; 11517 abstract void handleServiceError(); 11518 abstract void handleReturnCode(); 11519 } 11520 11521 class MeasureParams extends HandlerParams { 11522 private final PackageStats mStats; 11523 private boolean mSuccess; 11524 11525 private final IPackageStatsObserver mObserver; 11526 11527 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11528 super(new UserHandle(stats.userHandle)); 11529 mObserver = observer; 11530 mStats = stats; 11531 } 11532 11533 @Override 11534 public String toString() { 11535 return "MeasureParams{" 11536 + Integer.toHexString(System.identityHashCode(this)) 11537 + " " + mStats.packageName + "}"; 11538 } 11539 11540 @Override 11541 void handleStartCopy() throws RemoteException { 11542 synchronized (mInstallLock) { 11543 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11544 } 11545 11546 if (mSuccess) { 11547 final boolean mounted; 11548 if (Environment.isExternalStorageEmulated()) { 11549 mounted = true; 11550 } else { 11551 final String status = Environment.getExternalStorageState(); 11552 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11553 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11554 } 11555 11556 if (mounted) { 11557 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11558 11559 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11560 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11561 11562 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11563 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11564 11565 // Always subtract cache size, since it's a subdirectory 11566 mStats.externalDataSize -= mStats.externalCacheSize; 11567 11568 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11569 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11570 11571 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11572 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11573 } 11574 } 11575 } 11576 11577 @Override 11578 void handleReturnCode() { 11579 if (mObserver != null) { 11580 try { 11581 mObserver.onGetStatsCompleted(mStats, mSuccess); 11582 } catch (RemoteException e) { 11583 Slog.i(TAG, "Observer no longer exists."); 11584 } 11585 } 11586 } 11587 11588 @Override 11589 void handleServiceError() { 11590 Slog.e(TAG, "Could not measure application " + mStats.packageName 11591 + " external storage"); 11592 } 11593 } 11594 11595 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11596 throws RemoteException { 11597 long result = 0; 11598 for (File path : paths) { 11599 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11600 } 11601 return result; 11602 } 11603 11604 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11605 for (File path : paths) { 11606 try { 11607 mcs.clearDirectory(path.getAbsolutePath()); 11608 } catch (RemoteException e) { 11609 } 11610 } 11611 } 11612 11613 static class OriginInfo { 11614 /** 11615 * Location where install is coming from, before it has been 11616 * copied/renamed into place. This could be a single monolithic APK 11617 * file, or a cluster directory. This location may be untrusted. 11618 */ 11619 final File file; 11620 final String cid; 11621 11622 /** 11623 * Flag indicating that {@link #file} or {@link #cid} has already been 11624 * staged, meaning downstream users don't need to defensively copy the 11625 * contents. 11626 */ 11627 final boolean staged; 11628 11629 /** 11630 * Flag indicating that {@link #file} or {@link #cid} is an already 11631 * installed app that is being moved. 11632 */ 11633 final boolean existing; 11634 11635 final String resolvedPath; 11636 final File resolvedFile; 11637 11638 static OriginInfo fromNothing() { 11639 return new OriginInfo(null, null, false, false); 11640 } 11641 11642 static OriginInfo fromUntrustedFile(File file) { 11643 return new OriginInfo(file, null, false, false); 11644 } 11645 11646 static OriginInfo fromExistingFile(File file) { 11647 return new OriginInfo(file, null, false, true); 11648 } 11649 11650 static OriginInfo fromStagedFile(File file) { 11651 return new OriginInfo(file, null, true, false); 11652 } 11653 11654 static OriginInfo fromStagedContainer(String cid) { 11655 return new OriginInfo(null, cid, true, false); 11656 } 11657 11658 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 11659 this.file = file; 11660 this.cid = cid; 11661 this.staged = staged; 11662 this.existing = existing; 11663 11664 if (cid != null) { 11665 resolvedPath = PackageHelper.getSdDir(cid); 11666 resolvedFile = new File(resolvedPath); 11667 } else if (file != null) { 11668 resolvedPath = file.getAbsolutePath(); 11669 resolvedFile = file; 11670 } else { 11671 resolvedPath = null; 11672 resolvedFile = null; 11673 } 11674 } 11675 } 11676 11677 static class MoveInfo { 11678 final int moveId; 11679 final String fromUuid; 11680 final String toUuid; 11681 final String packageName; 11682 final String dataAppName; 11683 final int appId; 11684 final String seinfo; 11685 final int targetSdkVersion; 11686 11687 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11688 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 11689 this.moveId = moveId; 11690 this.fromUuid = fromUuid; 11691 this.toUuid = toUuid; 11692 this.packageName = packageName; 11693 this.dataAppName = dataAppName; 11694 this.appId = appId; 11695 this.seinfo = seinfo; 11696 this.targetSdkVersion = targetSdkVersion; 11697 } 11698 } 11699 11700 static class VerificationInfo { 11701 /** A constant used to indicate that a uid value is not present. */ 11702 public static final int NO_UID = -1; 11703 11704 /** URI referencing where the package was downloaded from. */ 11705 final Uri originatingUri; 11706 11707 /** HTTP referrer URI associated with the originatingURI. */ 11708 final Uri referrer; 11709 11710 /** UID of the application that the install request originated from. */ 11711 final int originatingUid; 11712 11713 /** UID of application requesting the install */ 11714 final int installerUid; 11715 11716 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 11717 this.originatingUri = originatingUri; 11718 this.referrer = referrer; 11719 this.originatingUid = originatingUid; 11720 this.installerUid = installerUid; 11721 } 11722 } 11723 11724 class InstallParams extends HandlerParams { 11725 final OriginInfo origin; 11726 final MoveInfo move; 11727 final IPackageInstallObserver2 observer; 11728 int installFlags; 11729 final String installerPackageName; 11730 final String volumeUuid; 11731 private InstallArgs mArgs; 11732 private int mRet; 11733 final String packageAbiOverride; 11734 final String[] grantedRuntimePermissions; 11735 final VerificationInfo verificationInfo; 11736 11737 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11738 int installFlags, String installerPackageName, String volumeUuid, 11739 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 11740 String[] grantedPermissions) { 11741 super(user); 11742 this.origin = origin; 11743 this.move = move; 11744 this.observer = observer; 11745 this.installFlags = installFlags; 11746 this.installerPackageName = installerPackageName; 11747 this.volumeUuid = volumeUuid; 11748 this.verificationInfo = verificationInfo; 11749 this.packageAbiOverride = packageAbiOverride; 11750 this.grantedRuntimePermissions = grantedPermissions; 11751 } 11752 11753 @Override 11754 public String toString() { 11755 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11756 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11757 } 11758 11759 private int installLocationPolicy(PackageInfoLite pkgLite) { 11760 String packageName = pkgLite.packageName; 11761 int installLocation = pkgLite.installLocation; 11762 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11763 // reader 11764 synchronized (mPackages) { 11765 // Currently installed package which the new package is attempting to replace or 11766 // null if no such package is installed. 11767 PackageParser.Package installedPkg = mPackages.get(packageName); 11768 // Package which currently owns the data which the new package will own if installed. 11769 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 11770 // will be null whereas dataOwnerPkg will contain information about the package 11771 // which was uninstalled while keeping its data. 11772 PackageParser.Package dataOwnerPkg = installedPkg; 11773 if (dataOwnerPkg == null) { 11774 PackageSetting ps = mSettings.mPackages.get(packageName); 11775 if (ps != null) { 11776 dataOwnerPkg = ps.pkg; 11777 } 11778 } 11779 11780 if (dataOwnerPkg != null) { 11781 // If installed, the package will get access to data left on the device by its 11782 // predecessor. As a security measure, this is permited only if this is not a 11783 // version downgrade or if the predecessor package is marked as debuggable and 11784 // a downgrade is explicitly requested. 11785 if (((dataOwnerPkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0) 11786 || ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0)) { 11787 try { 11788 checkDowngrade(dataOwnerPkg, pkgLite); 11789 } catch (PackageManagerException e) { 11790 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11791 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11792 } 11793 } 11794 } 11795 11796 if (installedPkg != null) { 11797 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11798 // Check for updated system application. 11799 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11800 if (onSd) { 11801 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11802 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11803 } 11804 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11805 } else { 11806 if (onSd) { 11807 // Install flag overrides everything. 11808 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11809 } 11810 // If current upgrade specifies particular preference 11811 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11812 // Application explicitly specified internal. 11813 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11814 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11815 // App explictly prefers external. Let policy decide 11816 } else { 11817 // Prefer previous location 11818 if (isExternal(installedPkg)) { 11819 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11820 } 11821 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11822 } 11823 } 11824 } else { 11825 // Invalid install. Return error code 11826 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11827 } 11828 } 11829 } 11830 // All the special cases have been taken care of. 11831 // Return result based on recommended install location. 11832 if (onSd) { 11833 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11834 } 11835 return pkgLite.recommendedInstallLocation; 11836 } 11837 11838 /* 11839 * Invoke remote method to get package information and install 11840 * location values. Override install location based on default 11841 * policy if needed and then create install arguments based 11842 * on the install location. 11843 */ 11844 public void handleStartCopy() throws RemoteException { 11845 int ret = PackageManager.INSTALL_SUCCEEDED; 11846 11847 // If we're already staged, we've firmly committed to an install location 11848 if (origin.staged) { 11849 if (origin.file != null) { 11850 installFlags |= PackageManager.INSTALL_INTERNAL; 11851 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11852 } else if (origin.cid != null) { 11853 installFlags |= PackageManager.INSTALL_EXTERNAL; 11854 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11855 } else { 11856 throw new IllegalStateException("Invalid stage location"); 11857 } 11858 } 11859 11860 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11861 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11862 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11863 PackageInfoLite pkgLite = null; 11864 11865 if (onInt && onSd) { 11866 // Check if both bits are set. 11867 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11868 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11869 } else if (onSd && ephemeral) { 11870 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11871 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11872 } else { 11873 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11874 packageAbiOverride); 11875 11876 if (DEBUG_EPHEMERAL && ephemeral) { 11877 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11878 } 11879 11880 /* 11881 * If we have too little free space, try to free cache 11882 * before giving up. 11883 */ 11884 if (!origin.staged && pkgLite.recommendedInstallLocation 11885 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11886 // TODO: focus freeing disk space on the target device 11887 final StorageManager storage = StorageManager.from(mContext); 11888 final long lowThreshold = storage.getStorageLowBytes( 11889 Environment.getDataDirectory()); 11890 11891 final long sizeBytes = mContainerService.calculateInstalledSize( 11892 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11893 11894 try { 11895 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11896 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11897 installFlags, packageAbiOverride); 11898 } catch (InstallerException e) { 11899 Slog.w(TAG, "Failed to free cache", e); 11900 } 11901 11902 /* 11903 * The cache free must have deleted the file we 11904 * downloaded to install. 11905 * 11906 * TODO: fix the "freeCache" call to not delete 11907 * the file we care about. 11908 */ 11909 if (pkgLite.recommendedInstallLocation 11910 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11911 pkgLite.recommendedInstallLocation 11912 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11913 } 11914 } 11915 } 11916 11917 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11918 int loc = pkgLite.recommendedInstallLocation; 11919 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11920 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11921 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11922 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11923 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11924 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11925 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11926 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11927 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11928 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11929 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11930 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11931 } else { 11932 // Override with defaults if needed. 11933 loc = installLocationPolicy(pkgLite); 11934 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11935 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11936 } else if (!onSd && !onInt) { 11937 // Override install location with flags 11938 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11939 // Set the flag to install on external media. 11940 installFlags |= PackageManager.INSTALL_EXTERNAL; 11941 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11942 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11943 if (DEBUG_EPHEMERAL) { 11944 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11945 } 11946 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11947 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11948 |PackageManager.INSTALL_INTERNAL); 11949 } else { 11950 // Make sure the flag for installing on external 11951 // media is unset 11952 installFlags |= PackageManager.INSTALL_INTERNAL; 11953 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11954 } 11955 } 11956 } 11957 } 11958 11959 final InstallArgs args = createInstallArgs(this); 11960 mArgs = args; 11961 11962 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11963 // TODO: http://b/22976637 11964 // Apps installed for "all" users use the device owner to verify the app 11965 UserHandle verifierUser = getUser(); 11966 if (verifierUser == UserHandle.ALL) { 11967 verifierUser = UserHandle.SYSTEM; 11968 } 11969 11970 /* 11971 * Determine if we have any installed package verifiers. If we 11972 * do, then we'll defer to them to verify the packages. 11973 */ 11974 final int requiredUid = mRequiredVerifierPackage == null ? -1 11975 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11976 verifierUser.getIdentifier()); 11977 if (!origin.existing && requiredUid != -1 11978 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11979 final Intent verification = new Intent( 11980 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11981 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11982 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11983 PACKAGE_MIME_TYPE); 11984 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11985 11986 // Query all live verifiers based on current user state 11987 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 11988 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11989 11990 if (DEBUG_VERIFY) { 11991 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11992 + verification.toString() + " with " + pkgLite.verifiers.length 11993 + " optional verifiers"); 11994 } 11995 11996 final int verificationId = mPendingVerificationToken++; 11997 11998 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11999 12000 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12001 installerPackageName); 12002 12003 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12004 installFlags); 12005 12006 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12007 pkgLite.packageName); 12008 12009 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12010 pkgLite.versionCode); 12011 12012 if (verificationInfo != null) { 12013 if (verificationInfo.originatingUri != null) { 12014 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12015 verificationInfo.originatingUri); 12016 } 12017 if (verificationInfo.referrer != null) { 12018 verification.putExtra(Intent.EXTRA_REFERRER, 12019 verificationInfo.referrer); 12020 } 12021 if (verificationInfo.originatingUid >= 0) { 12022 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12023 verificationInfo.originatingUid); 12024 } 12025 if (verificationInfo.installerUid >= 0) { 12026 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12027 verificationInfo.installerUid); 12028 } 12029 } 12030 12031 final PackageVerificationState verificationState = new PackageVerificationState( 12032 requiredUid, args); 12033 12034 mPendingVerification.append(verificationId, verificationState); 12035 12036 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12037 receivers, verificationState); 12038 12039 /* 12040 * If any sufficient verifiers were listed in the package 12041 * manifest, attempt to ask them. 12042 */ 12043 if (sufficientVerifiers != null) { 12044 final int N = sufficientVerifiers.size(); 12045 if (N == 0) { 12046 Slog.i(TAG, "Additional verifiers required, but none installed."); 12047 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12048 } else { 12049 for (int i = 0; i < N; i++) { 12050 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12051 12052 final Intent sufficientIntent = new Intent(verification); 12053 sufficientIntent.setComponent(verifierComponent); 12054 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12055 } 12056 } 12057 } 12058 12059 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12060 mRequiredVerifierPackage, receivers); 12061 if (ret == PackageManager.INSTALL_SUCCEEDED 12062 && mRequiredVerifierPackage != null) { 12063 Trace.asyncTraceBegin( 12064 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12065 /* 12066 * Send the intent to the required verification agent, 12067 * but only start the verification timeout after the 12068 * target BroadcastReceivers have run. 12069 */ 12070 verification.setComponent(requiredVerifierComponent); 12071 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12072 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12073 new BroadcastReceiver() { 12074 @Override 12075 public void onReceive(Context context, Intent intent) { 12076 final Message msg = mHandler 12077 .obtainMessage(CHECK_PENDING_VERIFICATION); 12078 msg.arg1 = verificationId; 12079 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12080 } 12081 }, null, 0, null, null); 12082 12083 /* 12084 * We don't want the copy to proceed until verification 12085 * succeeds, so null out this field. 12086 */ 12087 mArgs = null; 12088 } 12089 } else { 12090 /* 12091 * No package verification is enabled, so immediately start 12092 * the remote call to initiate copy using temporary file. 12093 */ 12094 ret = args.copyApk(mContainerService, true); 12095 } 12096 } 12097 12098 mRet = ret; 12099 } 12100 12101 @Override 12102 void handleReturnCode() { 12103 // If mArgs is null, then MCS couldn't be reached. When it 12104 // reconnects, it will try again to install. At that point, this 12105 // will succeed. 12106 if (mArgs != null) { 12107 processPendingInstall(mArgs, mRet); 12108 } 12109 } 12110 12111 @Override 12112 void handleServiceError() { 12113 mArgs = createInstallArgs(this); 12114 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12115 } 12116 12117 public boolean isForwardLocked() { 12118 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12119 } 12120 } 12121 12122 /** 12123 * Used during creation of InstallArgs 12124 * 12125 * @param installFlags package installation flags 12126 * @return true if should be installed on external storage 12127 */ 12128 private static boolean installOnExternalAsec(int installFlags) { 12129 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12130 return false; 12131 } 12132 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12133 return true; 12134 } 12135 return false; 12136 } 12137 12138 /** 12139 * Used during creation of InstallArgs 12140 * 12141 * @param installFlags package installation flags 12142 * @return true if should be installed as forward locked 12143 */ 12144 private static boolean installForwardLocked(int installFlags) { 12145 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12146 } 12147 12148 private InstallArgs createInstallArgs(InstallParams params) { 12149 if (params.move != null) { 12150 return new MoveInstallArgs(params); 12151 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12152 return new AsecInstallArgs(params); 12153 } else { 12154 return new FileInstallArgs(params); 12155 } 12156 } 12157 12158 /** 12159 * Create args that describe an existing installed package. Typically used 12160 * when cleaning up old installs, or used as a move source. 12161 */ 12162 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12163 String resourcePath, String[] instructionSets) { 12164 final boolean isInAsec; 12165 if (installOnExternalAsec(installFlags)) { 12166 /* Apps on SD card are always in ASEC containers. */ 12167 isInAsec = true; 12168 } else if (installForwardLocked(installFlags) 12169 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12170 /* 12171 * Forward-locked apps are only in ASEC containers if they're the 12172 * new style 12173 */ 12174 isInAsec = true; 12175 } else { 12176 isInAsec = false; 12177 } 12178 12179 if (isInAsec) { 12180 return new AsecInstallArgs(codePath, instructionSets, 12181 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12182 } else { 12183 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12184 } 12185 } 12186 12187 static abstract class InstallArgs { 12188 /** @see InstallParams#origin */ 12189 final OriginInfo origin; 12190 /** @see InstallParams#move */ 12191 final MoveInfo move; 12192 12193 final IPackageInstallObserver2 observer; 12194 // Always refers to PackageManager flags only 12195 final int installFlags; 12196 final String installerPackageName; 12197 final String volumeUuid; 12198 final UserHandle user; 12199 final String abiOverride; 12200 final String[] installGrantPermissions; 12201 /** If non-null, drop an async trace when the install completes */ 12202 final String traceMethod; 12203 final int traceCookie; 12204 12205 // The list of instruction sets supported by this app. This is currently 12206 // only used during the rmdex() phase to clean up resources. We can get rid of this 12207 // if we move dex files under the common app path. 12208 /* nullable */ String[] instructionSets; 12209 12210 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12211 int installFlags, String installerPackageName, String volumeUuid, 12212 UserHandle user, String[] instructionSets, 12213 String abiOverride, String[] installGrantPermissions, 12214 String traceMethod, int traceCookie) { 12215 this.origin = origin; 12216 this.move = move; 12217 this.installFlags = installFlags; 12218 this.observer = observer; 12219 this.installerPackageName = installerPackageName; 12220 this.volumeUuid = volumeUuid; 12221 this.user = user; 12222 this.instructionSets = instructionSets; 12223 this.abiOverride = abiOverride; 12224 this.installGrantPermissions = installGrantPermissions; 12225 this.traceMethod = traceMethod; 12226 this.traceCookie = traceCookie; 12227 } 12228 12229 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12230 abstract int doPreInstall(int status); 12231 12232 /** 12233 * Rename package into final resting place. All paths on the given 12234 * scanned package should be updated to reflect the rename. 12235 */ 12236 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12237 abstract int doPostInstall(int status, int uid); 12238 12239 /** @see PackageSettingBase#codePathString */ 12240 abstract String getCodePath(); 12241 /** @see PackageSettingBase#resourcePathString */ 12242 abstract String getResourcePath(); 12243 12244 // Need installer lock especially for dex file removal. 12245 abstract void cleanUpResourcesLI(); 12246 abstract boolean doPostDeleteLI(boolean delete); 12247 12248 /** 12249 * Called before the source arguments are copied. This is used mostly 12250 * for MoveParams when it needs to read the source file to put it in the 12251 * destination. 12252 */ 12253 int doPreCopy() { 12254 return PackageManager.INSTALL_SUCCEEDED; 12255 } 12256 12257 /** 12258 * Called after the source arguments are copied. This is used mostly for 12259 * MoveParams when it needs to read the source file to put it in the 12260 * destination. 12261 * 12262 * @return 12263 */ 12264 int doPostCopy(int uid) { 12265 return PackageManager.INSTALL_SUCCEEDED; 12266 } 12267 12268 protected boolean isFwdLocked() { 12269 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12270 } 12271 12272 protected boolean isExternalAsec() { 12273 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12274 } 12275 12276 protected boolean isEphemeral() { 12277 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12278 } 12279 12280 UserHandle getUser() { 12281 return user; 12282 } 12283 } 12284 12285 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12286 if (!allCodePaths.isEmpty()) { 12287 if (instructionSets == null) { 12288 throw new IllegalStateException("instructionSet == null"); 12289 } 12290 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12291 for (String codePath : allCodePaths) { 12292 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12293 try { 12294 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12295 } catch (InstallerException ignored) { 12296 } 12297 } 12298 } 12299 } 12300 } 12301 12302 /** 12303 * Logic to handle installation of non-ASEC applications, including copying 12304 * and renaming logic. 12305 */ 12306 class FileInstallArgs extends InstallArgs { 12307 private File codeFile; 12308 private File resourceFile; 12309 12310 // Example topology: 12311 // /data/app/com.example/base.apk 12312 // /data/app/com.example/split_foo.apk 12313 // /data/app/com.example/lib/arm/libfoo.so 12314 // /data/app/com.example/lib/arm64/libfoo.so 12315 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12316 12317 /** New install */ 12318 FileInstallArgs(InstallParams params) { 12319 super(params.origin, params.move, params.observer, params.installFlags, 12320 params.installerPackageName, params.volumeUuid, 12321 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12322 params.grantedRuntimePermissions, 12323 params.traceMethod, params.traceCookie); 12324 if (isFwdLocked()) { 12325 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12326 } 12327 } 12328 12329 /** Existing install */ 12330 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12331 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12332 null, null, null, 0); 12333 this.codeFile = (codePath != null) ? new File(codePath) : null; 12334 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12335 } 12336 12337 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12338 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12339 try { 12340 return doCopyApk(imcs, temp); 12341 } finally { 12342 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12343 } 12344 } 12345 12346 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12347 if (origin.staged) { 12348 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12349 codeFile = origin.file; 12350 resourceFile = origin.file; 12351 return PackageManager.INSTALL_SUCCEEDED; 12352 } 12353 12354 try { 12355 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12356 final File tempDir = 12357 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12358 codeFile = tempDir; 12359 resourceFile = tempDir; 12360 } catch (IOException e) { 12361 Slog.w(TAG, "Failed to create copy file: " + e); 12362 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12363 } 12364 12365 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12366 @Override 12367 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12368 if (!FileUtils.isValidExtFilename(name)) { 12369 throw new IllegalArgumentException("Invalid filename: " + name); 12370 } 12371 try { 12372 final File file = new File(codeFile, name); 12373 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12374 O_RDWR | O_CREAT, 0644); 12375 Os.chmod(file.getAbsolutePath(), 0644); 12376 return new ParcelFileDescriptor(fd); 12377 } catch (ErrnoException e) { 12378 throw new RemoteException("Failed to open: " + e.getMessage()); 12379 } 12380 } 12381 }; 12382 12383 int ret = PackageManager.INSTALL_SUCCEEDED; 12384 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12385 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12386 Slog.e(TAG, "Failed to copy package"); 12387 return ret; 12388 } 12389 12390 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12391 NativeLibraryHelper.Handle handle = null; 12392 try { 12393 handle = NativeLibraryHelper.Handle.create(codeFile); 12394 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12395 abiOverride); 12396 } catch (IOException e) { 12397 Slog.e(TAG, "Copying native libraries failed", e); 12398 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12399 } finally { 12400 IoUtils.closeQuietly(handle); 12401 } 12402 12403 return ret; 12404 } 12405 12406 int doPreInstall(int status) { 12407 if (status != PackageManager.INSTALL_SUCCEEDED) { 12408 cleanUp(); 12409 } 12410 return status; 12411 } 12412 12413 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12414 if (status != PackageManager.INSTALL_SUCCEEDED) { 12415 cleanUp(); 12416 return false; 12417 } 12418 12419 final File targetDir = codeFile.getParentFile(); 12420 final File beforeCodeFile = codeFile; 12421 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12422 12423 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12424 try { 12425 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12426 } catch (ErrnoException e) { 12427 Slog.w(TAG, "Failed to rename", e); 12428 return false; 12429 } 12430 12431 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12432 Slog.w(TAG, "Failed to restorecon"); 12433 return false; 12434 } 12435 12436 // Reflect the rename internally 12437 codeFile = afterCodeFile; 12438 resourceFile = afterCodeFile; 12439 12440 // Reflect the rename in scanned details 12441 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12442 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12443 afterCodeFile, pkg.baseCodePath)); 12444 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12445 afterCodeFile, pkg.splitCodePaths)); 12446 12447 // Reflect the rename in app info 12448 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12449 pkg.setApplicationInfoCodePath(pkg.codePath); 12450 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12451 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12452 pkg.setApplicationInfoResourcePath(pkg.codePath); 12453 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12454 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12455 12456 return true; 12457 } 12458 12459 int doPostInstall(int status, int uid) { 12460 if (status != PackageManager.INSTALL_SUCCEEDED) { 12461 cleanUp(); 12462 } 12463 return status; 12464 } 12465 12466 @Override 12467 String getCodePath() { 12468 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12469 } 12470 12471 @Override 12472 String getResourcePath() { 12473 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12474 } 12475 12476 private boolean cleanUp() { 12477 if (codeFile == null || !codeFile.exists()) { 12478 return false; 12479 } 12480 12481 removeCodePathLI(codeFile); 12482 12483 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12484 resourceFile.delete(); 12485 } 12486 12487 return true; 12488 } 12489 12490 void cleanUpResourcesLI() { 12491 // Try enumerating all code paths before deleting 12492 List<String> allCodePaths = Collections.EMPTY_LIST; 12493 if (codeFile != null && codeFile.exists()) { 12494 try { 12495 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12496 allCodePaths = pkg.getAllCodePaths(); 12497 } catch (PackageParserException e) { 12498 // Ignored; we tried our best 12499 } 12500 } 12501 12502 cleanUp(); 12503 removeDexFiles(allCodePaths, instructionSets); 12504 } 12505 12506 boolean doPostDeleteLI(boolean delete) { 12507 // XXX err, shouldn't we respect the delete flag? 12508 cleanUpResourcesLI(); 12509 return true; 12510 } 12511 } 12512 12513 private boolean isAsecExternal(String cid) { 12514 final String asecPath = PackageHelper.getSdFilesystem(cid); 12515 return !asecPath.startsWith(mAsecInternalPath); 12516 } 12517 12518 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12519 PackageManagerException { 12520 if (copyRet < 0) { 12521 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12522 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12523 throw new PackageManagerException(copyRet, message); 12524 } 12525 } 12526 } 12527 12528 /** 12529 * Extract the MountService "container ID" from the full code path of an 12530 * .apk. 12531 */ 12532 static String cidFromCodePath(String fullCodePath) { 12533 int eidx = fullCodePath.lastIndexOf("/"); 12534 String subStr1 = fullCodePath.substring(0, eidx); 12535 int sidx = subStr1.lastIndexOf("/"); 12536 return subStr1.substring(sidx+1, eidx); 12537 } 12538 12539 /** 12540 * Logic to handle installation of ASEC applications, including copying and 12541 * renaming logic. 12542 */ 12543 class AsecInstallArgs extends InstallArgs { 12544 static final String RES_FILE_NAME = "pkg.apk"; 12545 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12546 12547 String cid; 12548 String packagePath; 12549 String resourcePath; 12550 12551 /** New install */ 12552 AsecInstallArgs(InstallParams params) { 12553 super(params.origin, params.move, params.observer, params.installFlags, 12554 params.installerPackageName, params.volumeUuid, 12555 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12556 params.grantedRuntimePermissions, 12557 params.traceMethod, params.traceCookie); 12558 } 12559 12560 /** Existing install */ 12561 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12562 boolean isExternal, boolean isForwardLocked) { 12563 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12564 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12565 instructionSets, null, null, null, 0); 12566 // Hackily pretend we're still looking at a full code path 12567 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12568 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12569 } 12570 12571 // Extract cid from fullCodePath 12572 int eidx = fullCodePath.lastIndexOf("/"); 12573 String subStr1 = fullCodePath.substring(0, eidx); 12574 int sidx = subStr1.lastIndexOf("/"); 12575 cid = subStr1.substring(sidx+1, eidx); 12576 setMountPath(subStr1); 12577 } 12578 12579 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12580 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12581 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12582 instructionSets, null, null, null, 0); 12583 this.cid = cid; 12584 setMountPath(PackageHelper.getSdDir(cid)); 12585 } 12586 12587 void createCopyFile() { 12588 cid = mInstallerService.allocateExternalStageCidLegacy(); 12589 } 12590 12591 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12592 if (origin.staged && origin.cid != null) { 12593 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12594 cid = origin.cid; 12595 setMountPath(PackageHelper.getSdDir(cid)); 12596 return PackageManager.INSTALL_SUCCEEDED; 12597 } 12598 12599 if (temp) { 12600 createCopyFile(); 12601 } else { 12602 /* 12603 * Pre-emptively destroy the container since it's destroyed if 12604 * copying fails due to it existing anyway. 12605 */ 12606 PackageHelper.destroySdDir(cid); 12607 } 12608 12609 final String newMountPath = imcs.copyPackageToContainer( 12610 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12611 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12612 12613 if (newMountPath != null) { 12614 setMountPath(newMountPath); 12615 return PackageManager.INSTALL_SUCCEEDED; 12616 } else { 12617 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12618 } 12619 } 12620 12621 @Override 12622 String getCodePath() { 12623 return packagePath; 12624 } 12625 12626 @Override 12627 String getResourcePath() { 12628 return resourcePath; 12629 } 12630 12631 int doPreInstall(int status) { 12632 if (status != PackageManager.INSTALL_SUCCEEDED) { 12633 // Destroy container 12634 PackageHelper.destroySdDir(cid); 12635 } else { 12636 boolean mounted = PackageHelper.isContainerMounted(cid); 12637 if (!mounted) { 12638 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 12639 Process.SYSTEM_UID); 12640 if (newMountPath != null) { 12641 setMountPath(newMountPath); 12642 } else { 12643 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12644 } 12645 } 12646 } 12647 return status; 12648 } 12649 12650 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12651 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 12652 String newMountPath = null; 12653 if (PackageHelper.isContainerMounted(cid)) { 12654 // Unmount the container 12655 if (!PackageHelper.unMountSdDir(cid)) { 12656 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 12657 return false; 12658 } 12659 } 12660 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12661 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 12662 " which might be stale. Will try to clean up."); 12663 // Clean up the stale container and proceed to recreate. 12664 if (!PackageHelper.destroySdDir(newCacheId)) { 12665 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 12666 return false; 12667 } 12668 // Successfully cleaned up stale container. Try to rename again. 12669 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12670 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 12671 + " inspite of cleaning it up."); 12672 return false; 12673 } 12674 } 12675 if (!PackageHelper.isContainerMounted(newCacheId)) { 12676 Slog.w(TAG, "Mounting container " + newCacheId); 12677 newMountPath = PackageHelper.mountSdDir(newCacheId, 12678 getEncryptKey(), Process.SYSTEM_UID); 12679 } else { 12680 newMountPath = PackageHelper.getSdDir(newCacheId); 12681 } 12682 if (newMountPath == null) { 12683 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 12684 return false; 12685 } 12686 Log.i(TAG, "Succesfully renamed " + cid + 12687 " to " + newCacheId + 12688 " at new path: " + newMountPath); 12689 cid = newCacheId; 12690 12691 final File beforeCodeFile = new File(packagePath); 12692 setMountPath(newMountPath); 12693 final File afterCodeFile = new File(packagePath); 12694 12695 // Reflect the rename in scanned details 12696 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12697 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12698 afterCodeFile, pkg.baseCodePath)); 12699 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12700 afterCodeFile, pkg.splitCodePaths)); 12701 12702 // Reflect the rename in app info 12703 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12704 pkg.setApplicationInfoCodePath(pkg.codePath); 12705 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12706 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12707 pkg.setApplicationInfoResourcePath(pkg.codePath); 12708 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12709 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12710 12711 return true; 12712 } 12713 12714 private void setMountPath(String mountPath) { 12715 final File mountFile = new File(mountPath); 12716 12717 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12718 if (monolithicFile.exists()) { 12719 packagePath = monolithicFile.getAbsolutePath(); 12720 if (isFwdLocked()) { 12721 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12722 } else { 12723 resourcePath = packagePath; 12724 } 12725 } else { 12726 packagePath = mountFile.getAbsolutePath(); 12727 resourcePath = packagePath; 12728 } 12729 } 12730 12731 int doPostInstall(int status, int uid) { 12732 if (status != PackageManager.INSTALL_SUCCEEDED) { 12733 cleanUp(); 12734 } else { 12735 final int groupOwner; 12736 final String protectedFile; 12737 if (isFwdLocked()) { 12738 groupOwner = UserHandle.getSharedAppGid(uid); 12739 protectedFile = RES_FILE_NAME; 12740 } else { 12741 groupOwner = -1; 12742 protectedFile = null; 12743 } 12744 12745 if (uid < Process.FIRST_APPLICATION_UID 12746 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12747 Slog.e(TAG, "Failed to finalize " + cid); 12748 PackageHelper.destroySdDir(cid); 12749 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12750 } 12751 12752 boolean mounted = PackageHelper.isContainerMounted(cid); 12753 if (!mounted) { 12754 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12755 } 12756 } 12757 return status; 12758 } 12759 12760 private void cleanUp() { 12761 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12762 12763 // Destroy secure container 12764 PackageHelper.destroySdDir(cid); 12765 } 12766 12767 private List<String> getAllCodePaths() { 12768 final File codeFile = new File(getCodePath()); 12769 if (codeFile != null && codeFile.exists()) { 12770 try { 12771 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12772 return pkg.getAllCodePaths(); 12773 } catch (PackageParserException e) { 12774 // Ignored; we tried our best 12775 } 12776 } 12777 return Collections.EMPTY_LIST; 12778 } 12779 12780 void cleanUpResourcesLI() { 12781 // Enumerate all code paths before deleting 12782 cleanUpResourcesLI(getAllCodePaths()); 12783 } 12784 12785 private void cleanUpResourcesLI(List<String> allCodePaths) { 12786 cleanUp(); 12787 removeDexFiles(allCodePaths, instructionSets); 12788 } 12789 12790 String getPackageName() { 12791 return getAsecPackageName(cid); 12792 } 12793 12794 boolean doPostDeleteLI(boolean delete) { 12795 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12796 final List<String> allCodePaths = getAllCodePaths(); 12797 boolean mounted = PackageHelper.isContainerMounted(cid); 12798 if (mounted) { 12799 // Unmount first 12800 if (PackageHelper.unMountSdDir(cid)) { 12801 mounted = false; 12802 } 12803 } 12804 if (!mounted && delete) { 12805 cleanUpResourcesLI(allCodePaths); 12806 } 12807 return !mounted; 12808 } 12809 12810 @Override 12811 int doPreCopy() { 12812 if (isFwdLocked()) { 12813 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12814 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12815 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12816 } 12817 } 12818 12819 return PackageManager.INSTALL_SUCCEEDED; 12820 } 12821 12822 @Override 12823 int doPostCopy(int uid) { 12824 if (isFwdLocked()) { 12825 if (uid < Process.FIRST_APPLICATION_UID 12826 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12827 RES_FILE_NAME)) { 12828 Slog.e(TAG, "Failed to finalize " + cid); 12829 PackageHelper.destroySdDir(cid); 12830 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12831 } 12832 } 12833 12834 return PackageManager.INSTALL_SUCCEEDED; 12835 } 12836 } 12837 12838 /** 12839 * Logic to handle movement of existing installed applications. 12840 */ 12841 class MoveInstallArgs extends InstallArgs { 12842 private File codeFile; 12843 private File resourceFile; 12844 12845 /** New install */ 12846 MoveInstallArgs(InstallParams params) { 12847 super(params.origin, params.move, params.observer, params.installFlags, 12848 params.installerPackageName, params.volumeUuid, 12849 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12850 params.grantedRuntimePermissions, 12851 params.traceMethod, params.traceCookie); 12852 } 12853 12854 int copyApk(IMediaContainerService imcs, boolean temp) { 12855 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12856 + move.fromUuid + " to " + move.toUuid); 12857 synchronized (mInstaller) { 12858 try { 12859 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12860 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 12861 } catch (InstallerException e) { 12862 Slog.w(TAG, "Failed to move app", e); 12863 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12864 } 12865 } 12866 12867 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12868 resourceFile = codeFile; 12869 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12870 12871 return PackageManager.INSTALL_SUCCEEDED; 12872 } 12873 12874 int doPreInstall(int status) { 12875 if (status != PackageManager.INSTALL_SUCCEEDED) { 12876 cleanUp(move.toUuid); 12877 } 12878 return status; 12879 } 12880 12881 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12882 if (status != PackageManager.INSTALL_SUCCEEDED) { 12883 cleanUp(move.toUuid); 12884 return false; 12885 } 12886 12887 // Reflect the move in app info 12888 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12889 pkg.setApplicationInfoCodePath(pkg.codePath); 12890 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12891 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12892 pkg.setApplicationInfoResourcePath(pkg.codePath); 12893 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12894 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12895 12896 return true; 12897 } 12898 12899 int doPostInstall(int status, int uid) { 12900 if (status == PackageManager.INSTALL_SUCCEEDED) { 12901 cleanUp(move.fromUuid); 12902 } else { 12903 cleanUp(move.toUuid); 12904 } 12905 return status; 12906 } 12907 12908 @Override 12909 String getCodePath() { 12910 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12911 } 12912 12913 @Override 12914 String getResourcePath() { 12915 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12916 } 12917 12918 private boolean cleanUp(String volumeUuid) { 12919 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12920 move.dataAppName); 12921 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12922 synchronized (mInstallLock) { 12923 // Clean up both app data and code 12924 removeDataDirsLI(volumeUuid, move.packageName); 12925 removeCodePathLI(codeFile); 12926 } 12927 return true; 12928 } 12929 12930 void cleanUpResourcesLI() { 12931 throw new UnsupportedOperationException(); 12932 } 12933 12934 boolean doPostDeleteLI(boolean delete) { 12935 throw new UnsupportedOperationException(); 12936 } 12937 } 12938 12939 static String getAsecPackageName(String packageCid) { 12940 int idx = packageCid.lastIndexOf("-"); 12941 if (idx == -1) { 12942 return packageCid; 12943 } 12944 return packageCid.substring(0, idx); 12945 } 12946 12947 // Utility method used to create code paths based on package name and available index. 12948 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12949 String idxStr = ""; 12950 int idx = 1; 12951 // Fall back to default value of idx=1 if prefix is not 12952 // part of oldCodePath 12953 if (oldCodePath != null) { 12954 String subStr = oldCodePath; 12955 // Drop the suffix right away 12956 if (suffix != null && subStr.endsWith(suffix)) { 12957 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12958 } 12959 // If oldCodePath already contains prefix find out the 12960 // ending index to either increment or decrement. 12961 int sidx = subStr.lastIndexOf(prefix); 12962 if (sidx != -1) { 12963 subStr = subStr.substring(sidx + prefix.length()); 12964 if (subStr != null) { 12965 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12966 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12967 } 12968 try { 12969 idx = Integer.parseInt(subStr); 12970 if (idx <= 1) { 12971 idx++; 12972 } else { 12973 idx--; 12974 } 12975 } catch(NumberFormatException e) { 12976 } 12977 } 12978 } 12979 } 12980 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12981 return prefix + idxStr; 12982 } 12983 12984 private File getNextCodePath(File targetDir, String packageName) { 12985 int suffix = 1; 12986 File result; 12987 do { 12988 result = new File(targetDir, packageName + "-" + suffix); 12989 suffix++; 12990 } while (result.exists()); 12991 return result; 12992 } 12993 12994 // Utility method that returns the relative package path with respect 12995 // to the installation directory. Like say for /data/data/com.test-1.apk 12996 // string com.test-1 is returned. 12997 static String deriveCodePathName(String codePath) { 12998 if (codePath == null) { 12999 return null; 13000 } 13001 final File codeFile = new File(codePath); 13002 final String name = codeFile.getName(); 13003 if (codeFile.isDirectory()) { 13004 return name; 13005 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13006 final int lastDot = name.lastIndexOf('.'); 13007 return name.substring(0, lastDot); 13008 } else { 13009 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13010 return null; 13011 } 13012 } 13013 13014 static class PackageInstalledInfo { 13015 String name; 13016 int uid; 13017 // The set of users that originally had this package installed. 13018 int[] origUsers; 13019 // The set of users that now have this package installed. 13020 int[] newUsers; 13021 PackageParser.Package pkg; 13022 int returnCode; 13023 String returnMsg; 13024 PackageRemovedInfo removedInfo; 13025 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13026 13027 public void setError(int code, String msg) { 13028 setReturnCode(code); 13029 setReturnMessage(msg); 13030 Slog.w(TAG, msg); 13031 } 13032 13033 public void setError(String msg, PackageParserException e) { 13034 setReturnCode(e.error); 13035 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13036 Slog.w(TAG, msg, e); 13037 } 13038 13039 public void setError(String msg, PackageManagerException e) { 13040 returnCode = e.error; 13041 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13042 Slog.w(TAG, msg, e); 13043 } 13044 13045 public void setReturnCode(int returnCode) { 13046 this.returnCode = returnCode; 13047 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13048 for (int i = 0; i < childCount; i++) { 13049 addedChildPackages.valueAt(i).returnCode = returnCode; 13050 } 13051 } 13052 13053 private void setReturnMessage(String returnMsg) { 13054 this.returnMsg = returnMsg; 13055 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13056 for (int i = 0; i < childCount; i++) { 13057 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13058 } 13059 } 13060 13061 // In some error cases we want to convey more info back to the observer 13062 String origPackage; 13063 String origPermission; 13064 } 13065 13066 /* 13067 * Install a non-existing package. 13068 */ 13069 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13070 UserHandle user, String installerPackageName, String volumeUuid, 13071 PackageInstalledInfo res) { 13072 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13073 13074 // Remember this for later, in case we need to rollback this install 13075 String pkgName = pkg.packageName; 13076 13077 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13078 13079 synchronized(mPackages) { 13080 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13081 // A package with the same name is already installed, though 13082 // it has been renamed to an older name. The package we 13083 // are trying to install should be installed as an update to 13084 // the existing one, but that has not been requested, so bail. 13085 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13086 + " without first uninstalling package running as " 13087 + mSettings.mRenamedPackages.get(pkgName)); 13088 return; 13089 } 13090 if (mPackages.containsKey(pkgName)) { 13091 // Don't allow installation over an existing package with the same name. 13092 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13093 + " without first uninstalling."); 13094 return; 13095 } 13096 } 13097 13098 try { 13099 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 13100 System.currentTimeMillis(), user); 13101 13102 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13103 13104 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13105 prepareAppDataAfterInstall(newPackage); 13106 13107 } else { 13108 // Remove package from internal structures, but keep around any 13109 // data that might have already existed 13110 deletePackageLI(pkgName, UserHandle.ALL, false, null, 13111 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13112 } 13113 } catch (PackageManagerException e) { 13114 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13115 } 13116 13117 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13118 } 13119 13120 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13121 // Can't rotate keys during boot or if sharedUser. 13122 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13123 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13124 return false; 13125 } 13126 // app is using upgradeKeySets; make sure all are valid 13127 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13128 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13129 for (int i = 0; i < upgradeKeySets.length; i++) { 13130 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13131 Slog.wtf(TAG, "Package " 13132 + (oldPs.name != null ? oldPs.name : "<null>") 13133 + " contains upgrade-key-set reference to unknown key-set: " 13134 + upgradeKeySets[i] 13135 + " reverting to signatures check."); 13136 return false; 13137 } 13138 } 13139 return true; 13140 } 13141 13142 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13143 // Upgrade keysets are being used. Determine if new package has a superset of the 13144 // required keys. 13145 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13146 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13147 for (int i = 0; i < upgradeKeySets.length; i++) { 13148 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13149 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13150 return true; 13151 } 13152 } 13153 return false; 13154 } 13155 13156 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13157 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13158 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13159 13160 final PackageParser.Package oldPackage; 13161 final String pkgName = pkg.packageName; 13162 final int[] allUsers; 13163 final boolean weFroze; 13164 13165 // First find the old package info and check signatures 13166 synchronized(mPackages) { 13167 oldPackage = mPackages.get(pkgName); 13168 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13169 if (isEphemeral && !oldIsEphemeral) { 13170 // can't downgrade from full to ephemeral 13171 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13172 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13173 return; 13174 } 13175 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13176 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13177 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13178 if (!checkUpgradeKeySetLP(ps, pkg)) { 13179 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13180 "New package not signed by keys specified by upgrade-keysets: " 13181 + pkgName); 13182 return; 13183 } 13184 } else { 13185 // default to original signature matching 13186 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13187 != PackageManager.SIGNATURE_MATCH) { 13188 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13189 "New package has a different signature: " + pkgName); 13190 return; 13191 } 13192 } 13193 13194 // In case of rollback, remember per-user/profile install state 13195 allUsers = sUserManager.getUserIds(); 13196 13197 // Mark the app as frozen to prevent launching during the upgrade 13198 // process, and then kill all running instances 13199 if (!ps.frozen) { 13200 ps.frozen = true; 13201 weFroze = true; 13202 } else { 13203 weFroze = false; 13204 } 13205 } 13206 13207 try { 13208 replacePackageDirtyLI(pkg, oldPackage, parseFlags, scanFlags, user, allUsers, 13209 installerPackageName, res); 13210 } finally { 13211 // Regardless of success or failure of upgrade steps above, always 13212 // unfreeze the package if we froze it 13213 if (weFroze) { 13214 unfreezePackage(pkgName); 13215 } 13216 } 13217 } 13218 13219 private void replacePackageDirtyLI(PackageParser.Package pkg, PackageParser.Package oldPackage, 13220 int parseFlags, int scanFlags, UserHandle user, int[] allUsers, 13221 String installerPackageName, PackageInstalledInfo res) { 13222 // Update what is removed 13223 res.removedInfo = new PackageRemovedInfo(); 13224 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13225 res.removedInfo.removedPackage = oldPackage.packageName; 13226 res.removedInfo.isUpdate = true; 13227 final int childCount = (oldPackage.childPackages != null) 13228 ? oldPackage.childPackages.size() : 0; 13229 for (int i = 0; i < childCount; i++) { 13230 boolean childPackageUpdated = false; 13231 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13232 if (res.addedChildPackages != null) { 13233 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13234 if (childRes != null) { 13235 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13236 childRes.removedInfo.removedPackage = childPkg.packageName; 13237 childRes.removedInfo.isUpdate = true; 13238 childPackageUpdated = true; 13239 } 13240 } 13241 if (!childPackageUpdated) { 13242 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13243 childRemovedRes.removedPackage = childPkg.packageName; 13244 childRemovedRes.isUpdate = false; 13245 childRemovedRes.dataRemoved = true; 13246 synchronized (mPackages) { 13247 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13248 if (childPs != null) { 13249 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13250 } 13251 } 13252 if (res.removedInfo.removedChildPackages == null) { 13253 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13254 } 13255 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13256 } 13257 } 13258 13259 boolean sysPkg = (isSystemApp(oldPackage)); 13260 if (sysPkg) { 13261 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13262 user, allUsers, installerPackageName, res); 13263 } else { 13264 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13265 user, allUsers, installerPackageName, res); 13266 } 13267 } 13268 13269 public List<String> getPreviousCodePaths(String packageName) { 13270 final PackageSetting ps = mSettings.mPackages.get(packageName); 13271 final List<String> result = new ArrayList<String>(); 13272 if (ps != null && ps.oldCodePaths != null) { 13273 result.addAll(ps.oldCodePaths); 13274 } 13275 return result; 13276 } 13277 13278 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 13279 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13280 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13281 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13282 + deletedPackage); 13283 13284 String pkgName = deletedPackage.packageName; 13285 boolean deletedPkg = true; 13286 boolean addedPkg = false; 13287 boolean updatedSettings = false; 13288 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13289 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13290 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13291 13292 final long origUpdateTime = (pkg.mExtras != null) 13293 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13294 13295 // First delete the existing package while retaining the data directory 13296 if (!deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13297 res.removedInfo, true, pkg)) { 13298 // If the existing package wasn't successfully deleted 13299 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13300 deletedPkg = false; 13301 } else { 13302 // Successfully deleted the old package; proceed with replace. 13303 13304 // If deleted package lived in a container, give users a chance to 13305 // relinquish resources before killing. 13306 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13307 if (DEBUG_INSTALL) { 13308 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13309 } 13310 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13311 final ArrayList<String> pkgList = new ArrayList<String>(1); 13312 pkgList.add(deletedPackage.applicationInfo.packageName); 13313 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13314 } 13315 13316 deleteCodeCacheDirsLI(pkg); 13317 deleteProfilesLI(pkg, /*destroy*/ false); 13318 13319 try { 13320 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13321 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13322 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13323 13324 // Update the in-memory copy of the previous code paths. 13325 PackageSetting ps = mSettings.mPackages.get(pkgName); 13326 if (!killApp) { 13327 if (ps.oldCodePaths == null) { 13328 ps.oldCodePaths = new ArraySet<>(); 13329 } 13330 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13331 if (deletedPackage.splitCodePaths != null) { 13332 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13333 } 13334 } else { 13335 ps.oldCodePaths = null; 13336 } 13337 if (ps.childPackageNames != null) { 13338 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13339 final String childPkgName = ps.childPackageNames.get(i); 13340 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13341 childPs.oldCodePaths = ps.oldCodePaths; 13342 } 13343 } 13344 prepareAppDataAfterInstall(newPackage); 13345 addedPkg = true; 13346 } catch (PackageManagerException e) { 13347 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13348 } 13349 } 13350 13351 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13352 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13353 13354 // Revert all internal state mutations and added folders for the failed install 13355 if (addedPkg) { 13356 deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13357 res.removedInfo, true, null); 13358 } 13359 13360 // Restore the old package 13361 if (deletedPkg) { 13362 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13363 File restoreFile = new File(deletedPackage.codePath); 13364 // Parse old package 13365 boolean oldExternal = isExternal(deletedPackage); 13366 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13367 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13368 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13369 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13370 try { 13371 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13372 null); 13373 } catch (PackageManagerException e) { 13374 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13375 + e.getMessage()); 13376 return; 13377 } 13378 13379 synchronized (mPackages) { 13380 // Ensure the installer package name up to date 13381 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13382 13383 // Update permissions for restored package 13384 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13385 13386 mSettings.writeLPr(); 13387 } 13388 13389 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13390 } 13391 } else { 13392 synchronized (mPackages) { 13393 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13394 if (ps != null) { 13395 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13396 if (res.removedInfo.removedChildPackages != null) { 13397 final int childCount = res.removedInfo.removedChildPackages.size(); 13398 // Iterate in reverse as we may modify the collection 13399 for (int i = childCount - 1; i >= 0; i--) { 13400 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13401 if (res.addedChildPackages.containsKey(childPackageName)) { 13402 res.removedInfo.removedChildPackages.removeAt(i); 13403 } else { 13404 PackageRemovedInfo childInfo = res.removedInfo 13405 .removedChildPackages.valueAt(i); 13406 childInfo.removedForAllUsers = mPackages.get( 13407 childInfo.removedPackage) == null; 13408 } 13409 } 13410 } 13411 } 13412 } 13413 } 13414 } 13415 13416 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 13417 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13418 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13419 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13420 + ", old=" + deletedPackage); 13421 13422 final boolean disabledSystem; 13423 13424 // Set the system/privileged flags as needed 13425 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13426 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13427 != 0) { 13428 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13429 } 13430 13431 // Kill package processes including services, providers, etc. 13432 killPackage(deletedPackage, "replace sys pkg"); 13433 13434 // Remove existing system package 13435 removePackageLI(deletedPackage, true); 13436 13437 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13438 if (!disabledSystem) { 13439 // We didn't need to disable the .apk as a current system package, 13440 // which means we are replacing another update that is already 13441 // installed. We need to make sure to delete the older one's .apk. 13442 res.removedInfo.args = createInstallArgsForExisting(0, 13443 deletedPackage.applicationInfo.getCodePath(), 13444 deletedPackage.applicationInfo.getResourcePath(), 13445 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13446 } else { 13447 res.removedInfo.args = null; 13448 } 13449 13450 // Successfully disabled the old package. Now proceed with re-installation 13451 deleteCodeCacheDirsLI(pkg); 13452 deleteProfilesLI(pkg, /*destroy*/ false); 13453 13454 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13455 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13456 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13457 13458 PackageParser.Package newPackage = null; 13459 try { 13460 // Add the package to the internal data structures 13461 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13462 13463 // Set the update and install times 13464 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13465 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13466 System.currentTimeMillis()); 13467 13468 // Check for shared user id changes 13469 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13470 deletedPackage, newPackage); 13471 if (invalidPackageName != null) { 13472 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13473 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13474 + " to " + invalidPackageName); 13475 } 13476 13477 // Update the package dynamic state if succeeded 13478 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13479 // Now that the install succeeded make sure we remove data 13480 // directories for any child package the update removed. 13481 final int deletedChildCount = (deletedPackage.childPackages != null) 13482 ? deletedPackage.childPackages.size() : 0; 13483 final int newChildCount = (newPackage.childPackages != null) 13484 ? newPackage.childPackages.size() : 0; 13485 for (int i = 0; i < deletedChildCount; i++) { 13486 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13487 boolean childPackageDeleted = true; 13488 for (int j = 0; j < newChildCount; j++) { 13489 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13490 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13491 childPackageDeleted = false; 13492 break; 13493 } 13494 } 13495 if (childPackageDeleted) { 13496 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13497 deletedChildPkg.packageName); 13498 if (ps != null && res.removedInfo.removedChildPackages != null) { 13499 PackageRemovedInfo removedChildRes = res.removedInfo 13500 .removedChildPackages.get(deletedChildPkg.packageName); 13501 removePackageDataLI(ps, allUsers, removedChildRes, 0, false); 13502 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13503 } 13504 } 13505 } 13506 13507 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13508 prepareAppDataAfterInstall(newPackage); 13509 } 13510 } catch (PackageManagerException e) { 13511 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13512 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13513 } 13514 13515 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13516 // Re installation failed. Restore old information 13517 // Remove new pkg information 13518 if (newPackage != null) { 13519 removeInstalledPackageLI(newPackage, true); 13520 } 13521 // Add back the old system package 13522 try { 13523 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13524 } catch (PackageManagerException e) { 13525 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13526 } 13527 13528 synchronized (mPackages) { 13529 if (disabledSystem) { 13530 enableSystemPackageLPw(deletedPackage); 13531 } 13532 13533 // Ensure the installer package name up to date 13534 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13535 13536 // Update permissions for restored package 13537 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13538 13539 mSettings.writeLPr(); 13540 } 13541 13542 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13543 + " after failed upgrade"); 13544 } 13545 } 13546 13547 /** 13548 * Checks whether the parent or any of the child packages have a change shared 13549 * user. For a package to be a valid update the shred users of the parent and 13550 * the children should match. We may later support changing child shared users. 13551 * @param oldPkg The updated package. 13552 * @param newPkg The update package. 13553 * @return The shared user that change between the versions. 13554 */ 13555 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13556 PackageParser.Package newPkg) { 13557 // Check parent shared user 13558 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13559 return newPkg.packageName; 13560 } 13561 // Check child shared users 13562 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13563 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13564 for (int i = 0; i < newChildCount; i++) { 13565 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13566 // If this child was present, did it have the same shared user? 13567 for (int j = 0; j < oldChildCount; j++) { 13568 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13569 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13570 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13571 return newChildPkg.packageName; 13572 } 13573 } 13574 } 13575 return null; 13576 } 13577 13578 private void removeNativeBinariesLI(PackageSetting ps) { 13579 // Remove the lib path for the parent package 13580 if (ps != null) { 13581 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13582 // Remove the lib path for the child packages 13583 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 13584 for (int i = 0; i < childCount; i++) { 13585 PackageSetting childPs = null; 13586 synchronized (mPackages) { 13587 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 13588 } 13589 if (childPs != null) { 13590 NativeLibraryHelper.removeNativeBinariesLI(childPs 13591 .legacyNativeLibraryPathString); 13592 } 13593 } 13594 } 13595 } 13596 13597 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13598 // Enable the parent package 13599 mSettings.enableSystemPackageLPw(pkg.packageName); 13600 // Enable the child packages 13601 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13602 for (int i = 0; i < childCount; i++) { 13603 PackageParser.Package childPkg = pkg.childPackages.get(i); 13604 mSettings.enableSystemPackageLPw(childPkg.packageName); 13605 } 13606 } 13607 13608 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13609 PackageParser.Package newPkg) { 13610 // Disable the parent package (parent always replaced) 13611 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13612 // Disable the child packages 13613 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13614 for (int i = 0; i < childCount; i++) { 13615 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 13616 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 13617 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 13618 } 13619 return disabled; 13620 } 13621 13622 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 13623 String installerPackageName) { 13624 // Enable the parent package 13625 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 13626 // Enable the child packages 13627 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13628 for (int i = 0; i < childCount; i++) { 13629 PackageParser.Package childPkg = pkg.childPackages.get(i); 13630 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 13631 } 13632 } 13633 13634 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 13635 // Collect all used permissions in the UID 13636 ArraySet<String> usedPermissions = new ArraySet<>(); 13637 final int packageCount = su.packages.size(); 13638 for (int i = 0; i < packageCount; i++) { 13639 PackageSetting ps = su.packages.valueAt(i); 13640 if (ps.pkg == null) { 13641 continue; 13642 } 13643 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 13644 for (int j = 0; j < requestedPermCount; j++) { 13645 String permission = ps.pkg.requestedPermissions.get(j); 13646 BasePermission bp = mSettings.mPermissions.get(permission); 13647 if (bp != null) { 13648 usedPermissions.add(permission); 13649 } 13650 } 13651 } 13652 13653 PermissionsState permissionsState = su.getPermissionsState(); 13654 // Prune install permissions 13655 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 13656 final int installPermCount = installPermStates.size(); 13657 for (int i = installPermCount - 1; i >= 0; i--) { 13658 PermissionState permissionState = installPermStates.get(i); 13659 if (!usedPermissions.contains(permissionState.getName())) { 13660 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13661 if (bp != null) { 13662 permissionsState.revokeInstallPermission(bp); 13663 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 13664 PackageManager.MASK_PERMISSION_FLAGS, 0); 13665 } 13666 } 13667 } 13668 13669 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 13670 13671 // Prune runtime permissions 13672 for (int userId : allUserIds) { 13673 List<PermissionState> runtimePermStates = permissionsState 13674 .getRuntimePermissionStates(userId); 13675 final int runtimePermCount = runtimePermStates.size(); 13676 for (int i = runtimePermCount - 1; i >= 0; i--) { 13677 PermissionState permissionState = runtimePermStates.get(i); 13678 if (!usedPermissions.contains(permissionState.getName())) { 13679 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13680 if (bp != null) { 13681 permissionsState.revokeRuntimePermission(bp, userId); 13682 permissionsState.updatePermissionFlags(bp, userId, 13683 PackageManager.MASK_PERMISSION_FLAGS, 0); 13684 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 13685 runtimePermissionChangedUserIds, userId); 13686 } 13687 } 13688 } 13689 } 13690 13691 return runtimePermissionChangedUserIds; 13692 } 13693 13694 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 13695 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 13696 // Update the parent package setting 13697 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 13698 res, user); 13699 // Update the child packages setting 13700 final int childCount = (newPackage.childPackages != null) 13701 ? newPackage.childPackages.size() : 0; 13702 for (int i = 0; i < childCount; i++) { 13703 PackageParser.Package childPackage = newPackage.childPackages.get(i); 13704 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 13705 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 13706 childRes.origUsers, childRes, user); 13707 } 13708 } 13709 13710 private void updateSettingsInternalLI(PackageParser.Package newPackage, 13711 String installerPackageName, int[] allUsers, int[] installedForUsers, 13712 PackageInstalledInfo res, UserHandle user) { 13713 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 13714 13715 String pkgName = newPackage.packageName; 13716 synchronized (mPackages) { 13717 //write settings. the installStatus will be incomplete at this stage. 13718 //note that the new package setting would have already been 13719 //added to mPackages. It hasn't been persisted yet. 13720 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 13721 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13722 mSettings.writeLPr(); 13723 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13724 } 13725 13726 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 13727 synchronized (mPackages) { 13728 updatePermissionsLPw(newPackage.packageName, newPackage, 13729 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 13730 ? UPDATE_PERMISSIONS_ALL : 0)); 13731 // For system-bundled packages, we assume that installing an upgraded version 13732 // of the package implies that the user actually wants to run that new code, 13733 // so we enable the package. 13734 PackageSetting ps = mSettings.mPackages.get(pkgName); 13735 final int userId = user.getIdentifier(); 13736 if (ps != null) { 13737 if (isSystemApp(newPackage)) { 13738 if (DEBUG_INSTALL) { 13739 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 13740 } 13741 // Enable system package for requested users 13742 if (res.origUsers != null) { 13743 for (int origUserId : res.origUsers) { 13744 if (userId == UserHandle.USER_ALL || userId == origUserId) { 13745 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 13746 origUserId, installerPackageName); 13747 } 13748 } 13749 } 13750 // Also convey the prior install/uninstall state 13751 if (allUsers != null && installedForUsers != null) { 13752 for (int currentUserId : allUsers) { 13753 final boolean installed = ArrayUtils.contains( 13754 installedForUsers, currentUserId); 13755 if (DEBUG_INSTALL) { 13756 Slog.d(TAG, " user " + currentUserId + " => " + installed); 13757 } 13758 ps.setInstalled(installed, currentUserId); 13759 } 13760 // these install state changes will be persisted in the 13761 // upcoming call to mSettings.writeLPr(). 13762 } 13763 } 13764 // It's implied that when a user requests installation, they want the app to be 13765 // installed and enabled. 13766 if (userId != UserHandle.USER_ALL) { 13767 ps.setInstalled(true, userId); 13768 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 13769 } 13770 } 13771 res.name = pkgName; 13772 res.uid = newPackage.applicationInfo.uid; 13773 res.pkg = newPackage; 13774 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 13775 mSettings.setInstallerPackageName(pkgName, installerPackageName); 13776 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13777 //to update install status 13778 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13779 mSettings.writeLPr(); 13780 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13781 } 13782 13783 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13784 } 13785 13786 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 13787 try { 13788 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 13789 installPackageLI(args, res); 13790 } finally { 13791 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13792 } 13793 } 13794 13795 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 13796 final int installFlags = args.installFlags; 13797 final String installerPackageName = args.installerPackageName; 13798 final String volumeUuid = args.volumeUuid; 13799 final File tmpPackageFile = new File(args.getCodePath()); 13800 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 13801 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 13802 || (args.volumeUuid != null)); 13803 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 13804 boolean replace = false; 13805 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 13806 if (args.move != null) { 13807 // moving a complete application; perform an initial scan on the new install location 13808 scanFlags |= SCAN_INITIAL; 13809 } 13810 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 13811 scanFlags |= SCAN_DONT_KILL_APP; 13812 } 13813 13814 // Result object to be returned 13815 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13816 13817 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 13818 13819 // Sanity check 13820 if (ephemeral && (forwardLocked || onExternal)) { 13821 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 13822 + " external=" + onExternal); 13823 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13824 return; 13825 } 13826 13827 // Retrieve PackageSettings and parse package 13828 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 13829 | PackageParser.PARSE_ENFORCE_CODE 13830 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 13831 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 13832 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 13833 PackageParser pp = new PackageParser(); 13834 pp.setSeparateProcesses(mSeparateProcesses); 13835 pp.setDisplayMetrics(mMetrics); 13836 13837 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 13838 final PackageParser.Package pkg; 13839 try { 13840 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 13841 } catch (PackageParserException e) { 13842 res.setError("Failed parse during installPackageLI", e); 13843 return; 13844 } finally { 13845 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13846 } 13847 13848 // If we are installing a clustered package add results for the children 13849 if (pkg.childPackages != null) { 13850 synchronized (mPackages) { 13851 final int childCount = pkg.childPackages.size(); 13852 for (int i = 0; i < childCount; i++) { 13853 PackageParser.Package childPkg = pkg.childPackages.get(i); 13854 PackageInstalledInfo childRes = new PackageInstalledInfo(); 13855 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13856 childRes.pkg = childPkg; 13857 childRes.name = childPkg.packageName; 13858 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13859 if (childPs != null) { 13860 childRes.origUsers = childPs.queryInstalledUsers( 13861 sUserManager.getUserIds(), true); 13862 } 13863 if ((mPackages.containsKey(childPkg.packageName))) { 13864 childRes.removedInfo = new PackageRemovedInfo(); 13865 childRes.removedInfo.removedPackage = childPkg.packageName; 13866 } 13867 if (res.addedChildPackages == null) { 13868 res.addedChildPackages = new ArrayMap<>(); 13869 } 13870 res.addedChildPackages.put(childPkg.packageName, childRes); 13871 } 13872 } 13873 } 13874 13875 // If package doesn't declare API override, mark that we have an install 13876 // time CPU ABI override. 13877 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 13878 pkg.cpuAbiOverride = args.abiOverride; 13879 } 13880 13881 String pkgName = res.name = pkg.packageName; 13882 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 13883 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 13884 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 13885 return; 13886 } 13887 } 13888 13889 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 13890 try { 13891 PackageParser.collectCertificates(pkg, parseFlags); 13892 } catch (PackageParserException e) { 13893 res.setError("Failed collect during installPackageLI", e); 13894 return; 13895 } finally { 13896 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13897 } 13898 13899 // Get rid of all references to package scan path via parser. 13900 pp = null; 13901 String oldCodePath = null; 13902 boolean systemApp = false; 13903 synchronized (mPackages) { 13904 // Check if installing already existing package 13905 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13906 String oldName = mSettings.mRenamedPackages.get(pkgName); 13907 if (pkg.mOriginalPackages != null 13908 && pkg.mOriginalPackages.contains(oldName) 13909 && mPackages.containsKey(oldName)) { 13910 // This package is derived from an original package, 13911 // and this device has been updating from that original 13912 // name. We must continue using the original name, so 13913 // rename the new package here. 13914 pkg.setPackageName(oldName); 13915 pkgName = pkg.packageName; 13916 replace = true; 13917 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 13918 + oldName + " pkgName=" + pkgName); 13919 } else if (mPackages.containsKey(pkgName)) { 13920 // This package, under its official name, already exists 13921 // on the device; we should replace it. 13922 replace = true; 13923 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 13924 } 13925 13926 // Child packages are installed through the parent package 13927 if (pkg.parentPackage != null) { 13928 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13929 "Package " + pkg.packageName + " is child of package " 13930 + pkg.parentPackage.parentPackage + ". Child packages " 13931 + "can be updated only through the parent package."); 13932 return; 13933 } 13934 13935 if (replace) { 13936 // Prevent apps opting out from runtime permissions 13937 PackageParser.Package oldPackage = mPackages.get(pkgName); 13938 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 13939 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 13940 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 13941 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 13942 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 13943 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 13944 + " doesn't support runtime permissions but the old" 13945 + " target SDK " + oldTargetSdk + " does."); 13946 return; 13947 } 13948 13949 // Prevent installing of child packages 13950 if (oldPackage.parentPackage != null) { 13951 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13952 "Package " + pkg.packageName + " is child of package " 13953 + oldPackage.parentPackage + ". Child packages " 13954 + "can be updated only through the parent package."); 13955 return; 13956 } 13957 } 13958 } 13959 13960 PackageSetting ps = mSettings.mPackages.get(pkgName); 13961 if (ps != null) { 13962 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 13963 13964 // Quick sanity check that we're signed correctly if updating; 13965 // we'll check this again later when scanning, but we want to 13966 // bail early here before tripping over redefined permissions. 13967 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13968 if (!checkUpgradeKeySetLP(ps, pkg)) { 13969 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 13970 + pkg.packageName + " upgrade keys do not match the " 13971 + "previously installed version"); 13972 return; 13973 } 13974 } else { 13975 try { 13976 verifySignaturesLP(ps, pkg); 13977 } catch (PackageManagerException e) { 13978 res.setError(e.error, e.getMessage()); 13979 return; 13980 } 13981 } 13982 13983 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 13984 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 13985 systemApp = (ps.pkg.applicationInfo.flags & 13986 ApplicationInfo.FLAG_SYSTEM) != 0; 13987 } 13988 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13989 } 13990 13991 // Check whether the newly-scanned package wants to define an already-defined perm 13992 int N = pkg.permissions.size(); 13993 for (int i = N-1; i >= 0; i--) { 13994 PackageParser.Permission perm = pkg.permissions.get(i); 13995 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 13996 if (bp != null) { 13997 // If the defining package is signed with our cert, it's okay. This 13998 // also includes the "updating the same package" case, of course. 13999 // "updating same package" could also involve key-rotation. 14000 final boolean sigsOk; 14001 if (bp.sourcePackage.equals(pkg.packageName) 14002 && (bp.packageSetting instanceof PackageSetting) 14003 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14004 scanFlags))) { 14005 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14006 } else { 14007 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14008 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14009 } 14010 if (!sigsOk) { 14011 // If the owning package is the system itself, we log but allow 14012 // install to proceed; we fail the install on all other permission 14013 // redefinitions. 14014 if (!bp.sourcePackage.equals("android")) { 14015 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14016 + pkg.packageName + " attempting to redeclare permission " 14017 + perm.info.name + " already owned by " + bp.sourcePackage); 14018 res.origPermission = perm.info.name; 14019 res.origPackage = bp.sourcePackage; 14020 return; 14021 } else { 14022 Slog.w(TAG, "Package " + pkg.packageName 14023 + " attempting to redeclare system permission " 14024 + perm.info.name + "; ignoring new declaration"); 14025 pkg.permissions.remove(i); 14026 } 14027 } 14028 } 14029 } 14030 } 14031 14032 if (systemApp) { 14033 if (onExternal) { 14034 // Abort update; system app can't be replaced with app on sdcard 14035 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14036 "Cannot install updates to system apps on sdcard"); 14037 return; 14038 } else if (ephemeral) { 14039 // Abort update; system app can't be replaced with an ephemeral app 14040 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14041 "Cannot update a system app with an ephemeral app"); 14042 return; 14043 } 14044 } 14045 14046 if (args.move != null) { 14047 // We did an in-place move, so dex is ready to roll 14048 scanFlags |= SCAN_NO_DEX; 14049 scanFlags |= SCAN_MOVE; 14050 14051 synchronized (mPackages) { 14052 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14053 if (ps == null) { 14054 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14055 "Missing settings for moved package " + pkgName); 14056 } 14057 14058 // We moved the entire application as-is, so bring over the 14059 // previously derived ABI information. 14060 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14061 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14062 } 14063 14064 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14065 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14066 scanFlags |= SCAN_NO_DEX; 14067 14068 try { 14069 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14070 args.abiOverride : pkg.cpuAbiOverride); 14071 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14072 true /* extract libs */); 14073 } catch (PackageManagerException pme) { 14074 Slog.e(TAG, "Error deriving application ABI", pme); 14075 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14076 return; 14077 } 14078 14079 14080 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14081 // Do not run PackageDexOptimizer through the local performDexOpt 14082 // method because `pkg` is not in `mPackages` yet. 14083 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 14084 false /* checkProfiles */, getCompilerFilterForReason(REASON_INSTALL)); 14085 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14086 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14087 String msg = "Extracking package failed for " + pkgName; 14088 res.setError(INSTALL_FAILED_DEXOPT, msg); 14089 return; 14090 } 14091 } 14092 14093 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14094 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14095 return; 14096 } 14097 14098 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14099 14100 if (replace) { 14101 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14102 installerPackageName, res); 14103 } else { 14104 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14105 args.user, installerPackageName, volumeUuid, res); 14106 } 14107 synchronized (mPackages) { 14108 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14109 if (ps != null) { 14110 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14111 } 14112 14113 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14114 for (int i = 0; i < childCount; i++) { 14115 PackageParser.Package childPkg = pkg.childPackages.get(i); 14116 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14117 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14118 if (childPs != null) { 14119 childRes.newUsers = childPs.queryInstalledUsers( 14120 sUserManager.getUserIds(), true); 14121 } 14122 } 14123 } 14124 } 14125 14126 private void startIntentFilterVerifications(int userId, boolean replacing, 14127 PackageParser.Package pkg) { 14128 if (mIntentFilterVerifierComponent == null) { 14129 Slog.w(TAG, "No IntentFilter verification will not be done as " 14130 + "there is no IntentFilterVerifier available!"); 14131 return; 14132 } 14133 14134 final int verifierUid = getPackageUid( 14135 mIntentFilterVerifierComponent.getPackageName(), 14136 MATCH_DEBUG_TRIAGED_MISSING, 14137 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14138 14139 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14140 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14141 mHandler.sendMessage(msg); 14142 14143 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14144 for (int i = 0; i < childCount; i++) { 14145 PackageParser.Package childPkg = pkg.childPackages.get(i); 14146 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14147 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14148 mHandler.sendMessage(msg); 14149 } 14150 } 14151 14152 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14153 PackageParser.Package pkg) { 14154 int size = pkg.activities.size(); 14155 if (size == 0) { 14156 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14157 "No activity, so no need to verify any IntentFilter!"); 14158 return; 14159 } 14160 14161 final boolean hasDomainURLs = hasDomainURLs(pkg); 14162 if (!hasDomainURLs) { 14163 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14164 "No domain URLs, so no need to verify any IntentFilter!"); 14165 return; 14166 } 14167 14168 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14169 + " if any IntentFilter from the " + size 14170 + " Activities needs verification ..."); 14171 14172 int count = 0; 14173 final String packageName = pkg.packageName; 14174 14175 synchronized (mPackages) { 14176 // If this is a new install and we see that we've already run verification for this 14177 // package, we have nothing to do: it means the state was restored from backup. 14178 if (!replacing) { 14179 IntentFilterVerificationInfo ivi = 14180 mSettings.getIntentFilterVerificationLPr(packageName); 14181 if (ivi != null) { 14182 if (DEBUG_DOMAIN_VERIFICATION) { 14183 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14184 + ivi.getStatusString()); 14185 } 14186 return; 14187 } 14188 } 14189 14190 // If any filters need to be verified, then all need to be. 14191 boolean needToVerify = false; 14192 for (PackageParser.Activity a : pkg.activities) { 14193 for (ActivityIntentInfo filter : a.intents) { 14194 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14195 if (DEBUG_DOMAIN_VERIFICATION) { 14196 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14197 } 14198 needToVerify = true; 14199 break; 14200 } 14201 } 14202 } 14203 14204 if (needToVerify) { 14205 final int verificationId = mIntentFilterVerificationToken++; 14206 for (PackageParser.Activity a : pkg.activities) { 14207 for (ActivityIntentInfo filter : a.intents) { 14208 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14209 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14210 "Verification needed for IntentFilter:" + filter.toString()); 14211 mIntentFilterVerifier.addOneIntentFilterVerification( 14212 verifierUid, userId, verificationId, filter, packageName); 14213 count++; 14214 } 14215 } 14216 } 14217 } 14218 } 14219 14220 if (count > 0) { 14221 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14222 + " IntentFilter verification" + (count > 1 ? "s" : "") 14223 + " for userId:" + userId); 14224 mIntentFilterVerifier.startVerifications(userId); 14225 } else { 14226 if (DEBUG_DOMAIN_VERIFICATION) { 14227 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14228 } 14229 } 14230 } 14231 14232 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14233 final ComponentName cn = filter.activity.getComponentName(); 14234 final String packageName = cn.getPackageName(); 14235 14236 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14237 packageName); 14238 if (ivi == null) { 14239 return true; 14240 } 14241 int status = ivi.getStatus(); 14242 switch (status) { 14243 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14244 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14245 return true; 14246 14247 default: 14248 // Nothing to do 14249 return false; 14250 } 14251 } 14252 14253 private static boolean isMultiArch(ApplicationInfo info) { 14254 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14255 } 14256 14257 private static boolean isExternal(PackageParser.Package pkg) { 14258 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14259 } 14260 14261 private static boolean isExternal(PackageSetting ps) { 14262 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14263 } 14264 14265 private static boolean isEphemeral(PackageParser.Package pkg) { 14266 return pkg.applicationInfo.isEphemeralApp(); 14267 } 14268 14269 private static boolean isEphemeral(PackageSetting ps) { 14270 return ps.pkg != null && isEphemeral(ps.pkg); 14271 } 14272 14273 private static boolean isSystemApp(PackageParser.Package pkg) { 14274 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14275 } 14276 14277 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14278 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14279 } 14280 14281 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14282 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14283 } 14284 14285 private static boolean isSystemApp(PackageSetting ps) { 14286 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14287 } 14288 14289 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14290 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14291 } 14292 14293 private int packageFlagsToInstallFlags(PackageSetting ps) { 14294 int installFlags = 0; 14295 if (isEphemeral(ps)) { 14296 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14297 } 14298 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14299 // This existing package was an external ASEC install when we have 14300 // the external flag without a UUID 14301 installFlags |= PackageManager.INSTALL_EXTERNAL; 14302 } 14303 if (ps.isForwardLocked()) { 14304 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14305 } 14306 return installFlags; 14307 } 14308 14309 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14310 if (isExternal(pkg)) { 14311 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14312 return StorageManager.UUID_PRIMARY_PHYSICAL; 14313 } else { 14314 return pkg.volumeUuid; 14315 } 14316 } else { 14317 return StorageManager.UUID_PRIVATE_INTERNAL; 14318 } 14319 } 14320 14321 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14322 if (isExternal(pkg)) { 14323 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14324 return mSettings.getExternalVersion(); 14325 } else { 14326 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14327 } 14328 } else { 14329 return mSettings.getInternalVersion(); 14330 } 14331 } 14332 14333 private void deleteTempPackageFiles() { 14334 final FilenameFilter filter = new FilenameFilter() { 14335 public boolean accept(File dir, String name) { 14336 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14337 } 14338 }; 14339 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14340 file.delete(); 14341 } 14342 } 14343 14344 @Override 14345 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14346 int flags) { 14347 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14348 flags); 14349 } 14350 14351 @Override 14352 public void deletePackage(final String packageName, 14353 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 14354 mContext.enforceCallingOrSelfPermission( 14355 android.Manifest.permission.DELETE_PACKAGES, null); 14356 Preconditions.checkNotNull(packageName); 14357 Preconditions.checkNotNull(observer); 14358 final int uid = Binder.getCallingUid(); 14359 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 14360 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14361 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14362 mContext.enforceCallingOrSelfPermission( 14363 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14364 "deletePackage for user " + userId); 14365 } 14366 14367 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14368 try { 14369 observer.onPackageDeleted(packageName, 14370 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14371 } catch (RemoteException re) { 14372 } 14373 return; 14374 } 14375 14376 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 14377 try { 14378 observer.onPackageDeleted(packageName, 14379 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14380 } catch (RemoteException re) { 14381 } 14382 return; 14383 } 14384 14385 if (DEBUG_REMOVE) { 14386 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 14387 + " deleteAllUsers: " + deleteAllUsers ); 14388 } 14389 // Queue up an async operation since the package deletion may take a little while. 14390 mHandler.post(new Runnable() { 14391 public void run() { 14392 mHandler.removeCallbacks(this); 14393 int returnCode; 14394 if (!deleteAllUsers) { 14395 returnCode = deletePackageX(packageName, userId, flags); 14396 } else { 14397 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 14398 // If nobody is blocking uninstall, proceed with delete for all users 14399 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 14400 returnCode = deletePackageX(packageName, userId, flags); 14401 } else { 14402 // Otherwise uninstall individually for users with blockUninstalls=false 14403 final int userFlags = flags & ~PackageManager.DELETE_ALL_USERS; 14404 for (int userId : users) { 14405 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 14406 returnCode = deletePackageX(packageName, userId, userFlags); 14407 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 14408 Slog.w(TAG, "Package delete failed for user " + userId 14409 + ", returnCode " + returnCode); 14410 } 14411 } 14412 } 14413 // The app has only been marked uninstalled for certain users. 14414 // We still need to report that delete was blocked 14415 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 14416 } 14417 } 14418 try { 14419 observer.onPackageDeleted(packageName, returnCode, null); 14420 } catch (RemoteException e) { 14421 Log.i(TAG, "Observer no longer exists."); 14422 } //end catch 14423 } //end run 14424 }); 14425 } 14426 14427 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 14428 int[] result = EMPTY_INT_ARRAY; 14429 for (int userId : userIds) { 14430 if (getBlockUninstallForUser(packageName, userId)) { 14431 result = ArrayUtils.appendInt(result, userId); 14432 } 14433 } 14434 return result; 14435 } 14436 14437 @Override 14438 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14439 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14440 } 14441 14442 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14443 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14444 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14445 try { 14446 if (dpm != null) { 14447 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14448 /* callingUserOnly =*/ false); 14449 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14450 : deviceOwnerComponentName.getPackageName(); 14451 // Does the package contains the device owner? 14452 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14453 // this check is probably not needed, since DO should be registered as a device 14454 // admin on some user too. (Original bug for this: b/17657954) 14455 if (packageName.equals(deviceOwnerPackageName)) { 14456 return true; 14457 } 14458 // Does it contain a device admin for any user? 14459 int[] users; 14460 if (userId == UserHandle.USER_ALL) { 14461 users = sUserManager.getUserIds(); 14462 } else { 14463 users = new int[]{userId}; 14464 } 14465 for (int i = 0; i < users.length; ++i) { 14466 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14467 return true; 14468 } 14469 } 14470 } 14471 } catch (RemoteException e) { 14472 } 14473 return false; 14474 } 14475 14476 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14477 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14478 } 14479 14480 /** 14481 * This method is an internal method that could be get invoked either 14482 * to delete an installed package or to clean up a failed installation. 14483 * After deleting an installed package, a broadcast is sent to notify any 14484 * listeners that the package has been installed. For cleaning up a failed 14485 * installation, the broadcast is not necessary since the package's 14486 * installation wouldn't have sent the initial broadcast either 14487 * The key steps in deleting a package are 14488 * deleting the package information in internal structures like mPackages, 14489 * deleting the packages base directories through installd 14490 * updating mSettings to reflect current status 14491 * persisting settings for later use 14492 * sending a broadcast if necessary 14493 */ 14494 private int deletePackageX(String packageName, int userId, int flags) { 14495 final PackageRemovedInfo info = new PackageRemovedInfo(); 14496 final boolean res; 14497 14498 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 14499 ? UserHandle.ALL : new UserHandle(userId); 14500 14501 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14502 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14503 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14504 } 14505 14506 PackageSetting uninstalledPs = null; 14507 14508 // for the uninstall-updates case and restricted profiles, remember the per- 14509 // user handle installed state 14510 int[] allUsers; 14511 synchronized (mPackages) { 14512 uninstalledPs = mSettings.mPackages.get(packageName); 14513 if (uninstalledPs == null) { 14514 Slog.w(TAG, "Not removing non-existent package " + packageName); 14515 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14516 } 14517 allUsers = sUserManager.getUserIds(); 14518 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14519 } 14520 14521 synchronized (mInstallLock) { 14522 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14523 res = deletePackageLI(packageName, removeForUser, true, allUsers, 14524 flags | REMOVE_CHATTY, info, true, null); 14525 deleteProfilesLI(packageName, /*destroy*/ true); 14526 synchronized (mPackages) { 14527 if (res) { 14528 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14529 } 14530 } 14531 } 14532 14533 if (res) { 14534 final boolean killApp = (flags & PackageManager.INSTALL_DONT_KILL_APP) == 0; 14535 info.sendPackageRemovedBroadcasts(killApp); 14536 info.sendSystemPackageUpdatedBroadcasts(); 14537 info.sendSystemPackageAppearedBroadcasts(); 14538 } 14539 // Force a gc here. 14540 Runtime.getRuntime().gc(); 14541 // Delete the resources here after sending the broadcast to let 14542 // other processes clean up before deleting resources. 14543 if (info.args != null) { 14544 synchronized (mInstallLock) { 14545 info.args.doPostDeleteLI(true); 14546 } 14547 } 14548 14549 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14550 } 14551 14552 class PackageRemovedInfo { 14553 String removedPackage; 14554 int uid = -1; 14555 int removedAppId = -1; 14556 int[] origUsers; 14557 int[] removedUsers = null; 14558 boolean isRemovedPackageSystemUpdate = false; 14559 boolean isUpdate; 14560 boolean dataRemoved; 14561 boolean removedForAllUsers; 14562 // Clean up resources deleted packages. 14563 InstallArgs args = null; 14564 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 14565 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 14566 14567 void sendPackageRemovedBroadcasts(boolean killApp) { 14568 sendPackageRemovedBroadcastInternal(killApp); 14569 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 14570 for (int i = 0; i < childCount; i++) { 14571 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14572 childInfo.sendPackageRemovedBroadcastInternal(killApp); 14573 } 14574 } 14575 14576 void sendSystemPackageUpdatedBroadcasts() { 14577 if (isRemovedPackageSystemUpdate) { 14578 sendSystemPackageUpdatedBroadcastsInternal(); 14579 final int childCount = (removedChildPackages != null) 14580 ? removedChildPackages.size() : 0; 14581 for (int i = 0; i < childCount; i++) { 14582 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14583 if (childInfo.isRemovedPackageSystemUpdate) { 14584 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 14585 } 14586 } 14587 } 14588 } 14589 14590 void sendSystemPackageAppearedBroadcasts() { 14591 final int packageCount = (appearedChildPackages != null) 14592 ? appearedChildPackages.size() : 0; 14593 for (int i = 0; i < packageCount; i++) { 14594 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 14595 for (int userId : installedInfo.newUsers) { 14596 sendPackageAddedForUser(installedInfo.name, true, 14597 UserHandle.getAppId(installedInfo.uid), userId); 14598 } 14599 } 14600 } 14601 14602 private void sendSystemPackageUpdatedBroadcastsInternal() { 14603 Bundle extras = new Bundle(2); 14604 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14605 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14606 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 14607 extras, 0, null, null, null); 14608 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 14609 extras, 0, null, null, null); 14610 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14611 null, 0, removedPackage, null, null); 14612 } 14613 14614 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 14615 Bundle extras = new Bundle(2); 14616 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14617 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 14618 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 14619 if (isUpdate || isRemovedPackageSystemUpdate) { 14620 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14621 } 14622 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 14623 if (removedPackage != null) { 14624 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 14625 extras, 0, null, null, removedUsers); 14626 if (dataRemoved && !isRemovedPackageSystemUpdate) { 14627 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 14628 removedPackage, extras, 0, null, null, removedUsers); 14629 } 14630 } 14631 if (removedAppId >= 0) { 14632 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 14633 removedUsers); 14634 } 14635 } 14636 } 14637 14638 /* 14639 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 14640 * flag is not set, the data directory is removed as well. 14641 * make sure this flag is set for partially installed apps. If not its meaningless to 14642 * delete a partially installed application. 14643 */ 14644 private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, 14645 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 14646 String packageName = ps.name; 14647 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 14648 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 14649 // Retrieve object to delete permissions for shared user later on 14650 final PackageSetting deletedPs; 14651 // reader 14652 synchronized (mPackages) { 14653 deletedPs = mSettings.mPackages.get(packageName); 14654 if (outInfo != null) { 14655 outInfo.removedPackage = packageName; 14656 outInfo.removedUsers = deletedPs != null 14657 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 14658 : null; 14659 } 14660 } 14661 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14662 removeDataDirsLI(ps.volumeUuid, packageName); 14663 if (outInfo != null) { 14664 outInfo.dataRemoved = true; 14665 } 14666 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 14667 } 14668 // writer 14669 synchronized (mPackages) { 14670 if (deletedPs != null) { 14671 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14672 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 14673 clearDefaultBrowserIfNeeded(packageName); 14674 if (outInfo != null) { 14675 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 14676 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 14677 } 14678 updatePermissionsLPw(deletedPs.name, null, 0); 14679 if (deletedPs.sharedUser != null) { 14680 // Remove permissions associated with package. Since runtime 14681 // permissions are per user we have to kill the removed package 14682 // or packages running under the shared user of the removed 14683 // package if revoking the permissions requested only by the removed 14684 // package is successful and this causes a change in gids. 14685 for (int userId : UserManagerService.getInstance().getUserIds()) { 14686 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 14687 userId); 14688 if (userIdToKill == UserHandle.USER_ALL 14689 || userIdToKill >= UserHandle.USER_SYSTEM) { 14690 // If gids changed for this user, kill all affected packages. 14691 mHandler.post(new Runnable() { 14692 @Override 14693 public void run() { 14694 // This has to happen with no lock held. 14695 killApplication(deletedPs.name, deletedPs.appId, 14696 KILL_APP_REASON_GIDS_CHANGED); 14697 } 14698 }); 14699 break; 14700 } 14701 } 14702 } 14703 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 14704 } 14705 // make sure to preserve per-user disabled state if this removal was just 14706 // a downgrade of a system app to the factory package 14707 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 14708 if (DEBUG_REMOVE) { 14709 Slog.d(TAG, "Propagating install state across downgrade"); 14710 } 14711 for (int userId : allUserHandles) { 14712 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14713 if (DEBUG_REMOVE) { 14714 Slog.d(TAG, " user " + userId + " => " + installed); 14715 } 14716 ps.setInstalled(installed, userId); 14717 } 14718 } 14719 } 14720 // can downgrade to reader 14721 if (writeSettings) { 14722 // Save settings now 14723 mSettings.writeLPr(); 14724 } 14725 } 14726 if (outInfo != null) { 14727 // A user ID was deleted here. Go through all users and remove it 14728 // from KeyStore. 14729 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 14730 } 14731 } 14732 14733 static boolean locationIsPrivileged(File path) { 14734 try { 14735 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 14736 .getCanonicalPath(); 14737 return path.getCanonicalPath().startsWith(privilegedAppDir); 14738 } catch (IOException e) { 14739 Slog.e(TAG, "Unable to access code path " + path); 14740 } 14741 return false; 14742 } 14743 14744 /* 14745 * Tries to delete system package. 14746 */ 14747 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 14748 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 14749 boolean writeSettings) { 14750 if (deletedPs.parentPackageName != null) { 14751 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 14752 return false; 14753 } 14754 14755 final boolean applyUserRestrictions 14756 = (allUserHandles != null) && (outInfo.origUsers != null); 14757 final PackageSetting disabledPs; 14758 // Confirm if the system package has been updated 14759 // An updated system app can be deleted. This will also have to restore 14760 // the system pkg from system partition 14761 // reader 14762 synchronized (mPackages) { 14763 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 14764 } 14765 14766 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 14767 + " disabledPs=" + disabledPs); 14768 14769 if (disabledPs == null) { 14770 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 14771 return false; 14772 } else if (DEBUG_REMOVE) { 14773 Slog.d(TAG, "Deleting system pkg from data partition"); 14774 } 14775 14776 if (DEBUG_REMOVE) { 14777 if (applyUserRestrictions) { 14778 Slog.d(TAG, "Remembering install states:"); 14779 for (int userId : allUserHandles) { 14780 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 14781 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 14782 } 14783 } 14784 } 14785 14786 // Delete the updated package 14787 outInfo.isRemovedPackageSystemUpdate = true; 14788 if (outInfo.removedChildPackages != null) { 14789 final int childCount = (deletedPs.childPackageNames != null) 14790 ? deletedPs.childPackageNames.size() : 0; 14791 for (int i = 0; i < childCount; i++) { 14792 String childPackageName = deletedPs.childPackageNames.get(i); 14793 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 14794 .contains(childPackageName)) { 14795 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14796 childPackageName); 14797 if (childInfo != null) { 14798 childInfo.isRemovedPackageSystemUpdate = true; 14799 } 14800 } 14801 } 14802 } 14803 14804 if (disabledPs.versionCode < deletedPs.versionCode) { 14805 // Delete data for downgrades 14806 flags &= ~PackageManager.DELETE_KEEP_DATA; 14807 } else { 14808 // Preserve data by setting flag 14809 flags |= PackageManager.DELETE_KEEP_DATA; 14810 } 14811 14812 boolean ret = deleteInstalledPackageLI(deletedPs, true, flags, allUserHandles, 14813 outInfo, writeSettings, disabledPs.pkg); 14814 if (!ret) { 14815 return false; 14816 } 14817 14818 // writer 14819 synchronized (mPackages) { 14820 // Reinstate the old system package 14821 enableSystemPackageLPw(disabledPs.pkg); 14822 // Remove any native libraries from the upgraded package. 14823 removeNativeBinariesLI(deletedPs); 14824 } 14825 14826 // Install the system package 14827 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 14828 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 14829 if (locationIsPrivileged(disabledPs.codePath)) { 14830 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 14831 } 14832 14833 final PackageParser.Package newPkg; 14834 try { 14835 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 14836 } catch (PackageManagerException e) { 14837 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 14838 + e.getMessage()); 14839 return false; 14840 } 14841 14842 prepareAppDataAfterInstall(newPkg); 14843 14844 // writer 14845 synchronized (mPackages) { 14846 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 14847 14848 // Propagate the permissions state as we do not want to drop on the floor 14849 // runtime permissions. The update permissions method below will take 14850 // care of removing obsolete permissions and grant install permissions. 14851 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 14852 updatePermissionsLPw(newPkg.packageName, newPkg, 14853 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 14854 14855 if (applyUserRestrictions) { 14856 if (DEBUG_REMOVE) { 14857 Slog.d(TAG, "Propagating install state across reinstall"); 14858 } 14859 for (int userId : allUserHandles) { 14860 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14861 if (DEBUG_REMOVE) { 14862 Slog.d(TAG, " user " + userId + " => " + installed); 14863 } 14864 ps.setInstalled(installed, userId); 14865 14866 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 14867 } 14868 // Regardless of writeSettings we need to ensure that this restriction 14869 // state propagation is persisted 14870 mSettings.writeAllUsersPackageRestrictionsLPr(); 14871 } 14872 // can downgrade to reader here 14873 if (writeSettings) { 14874 mSettings.writeLPr(); 14875 } 14876 } 14877 return true; 14878 } 14879 14880 private boolean deleteInstalledPackageLI(PackageSetting ps, 14881 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 14882 PackageRemovedInfo outInfo, boolean writeSettings, 14883 PackageParser.Package replacingPackage) { 14884 synchronized (mPackages) { 14885 if (outInfo != null) { 14886 outInfo.uid = ps.appId; 14887 } 14888 14889 if (outInfo != null && outInfo.removedChildPackages != null) { 14890 final int childCount = (ps.childPackageNames != null) 14891 ? ps.childPackageNames.size() : 0; 14892 for (int i = 0; i < childCount; i++) { 14893 String childPackageName = ps.childPackageNames.get(i); 14894 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 14895 if (childPs == null) { 14896 return false; 14897 } 14898 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14899 childPackageName); 14900 if (childInfo != null) { 14901 childInfo.uid = childPs.appId; 14902 } 14903 } 14904 } 14905 } 14906 14907 // Delete package data from internal structures and also remove data if flag is set 14908 removePackageDataLI(ps, allUserHandles, outInfo, flags, writeSettings); 14909 14910 // Delete the child packages data 14911 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14912 for (int i = 0; i < childCount; i++) { 14913 PackageSetting childPs; 14914 synchronized (mPackages) { 14915 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14916 } 14917 if (childPs != null) { 14918 PackageRemovedInfo childOutInfo = (outInfo != null 14919 && outInfo.removedChildPackages != null) 14920 ? outInfo.removedChildPackages.get(childPs.name) : null; 14921 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 14922 && (replacingPackage != null 14923 && !replacingPackage.hasChildPackage(childPs.name)) 14924 ? flags & ~DELETE_KEEP_DATA : flags; 14925 removePackageDataLI(childPs, allUserHandles, childOutInfo, 14926 deleteFlags, writeSettings); 14927 } 14928 } 14929 14930 // Delete application code and resources only for parent packages 14931 if (ps.parentPackageName == null) { 14932 if (deleteCodeAndResources && (outInfo != null)) { 14933 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 14934 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 14935 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 14936 } 14937 } 14938 14939 return true; 14940 } 14941 14942 @Override 14943 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 14944 int userId) { 14945 mContext.enforceCallingOrSelfPermission( 14946 android.Manifest.permission.DELETE_PACKAGES, null); 14947 synchronized (mPackages) { 14948 PackageSetting ps = mSettings.mPackages.get(packageName); 14949 if (ps == null) { 14950 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 14951 return false; 14952 } 14953 if (!ps.getInstalled(userId)) { 14954 // Can't block uninstall for an app that is not installed or enabled. 14955 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 14956 return false; 14957 } 14958 ps.setBlockUninstall(blockUninstall, userId); 14959 mSettings.writePackageRestrictionsLPr(userId); 14960 } 14961 return true; 14962 } 14963 14964 @Override 14965 public boolean getBlockUninstallForUser(String packageName, int userId) { 14966 synchronized (mPackages) { 14967 PackageSetting ps = mSettings.mPackages.get(packageName); 14968 if (ps == null) { 14969 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 14970 return false; 14971 } 14972 return ps.getBlockUninstall(userId); 14973 } 14974 } 14975 14976 @Override 14977 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 14978 int callingUid = Binder.getCallingUid(); 14979 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 14980 throw new SecurityException( 14981 "setRequiredForSystemUser can only be run by the system or root"); 14982 } 14983 synchronized (mPackages) { 14984 PackageSetting ps = mSettings.mPackages.get(packageName); 14985 if (ps == null) { 14986 Log.w(TAG, "Package doesn't exist: " + packageName); 14987 return false; 14988 } 14989 if (systemUserApp) { 14990 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14991 } else { 14992 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14993 } 14994 mSettings.writeLPr(); 14995 } 14996 return true; 14997 } 14998 14999 /* 15000 * This method handles package deletion in general 15001 */ 15002 private boolean deletePackageLI(String packageName, UserHandle user, 15003 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15004 PackageRemovedInfo outInfo, boolean writeSettings, 15005 PackageParser.Package replacingPackage) { 15006 if (packageName == null) { 15007 Slog.w(TAG, "Attempt to delete null packageName."); 15008 return false; 15009 } 15010 15011 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15012 15013 PackageSetting ps; 15014 15015 synchronized (mPackages) { 15016 ps = mSettings.mPackages.get(packageName); 15017 if (ps == null) { 15018 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15019 return false; 15020 } 15021 15022 if (ps.parentPackageName != null && (!isSystemApp(ps) 15023 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15024 if (DEBUG_REMOVE) { 15025 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15026 + ((user == null) ? UserHandle.USER_ALL : user)); 15027 } 15028 final int removedUserId = (user != null) ? user.getIdentifier() 15029 : UserHandle.USER_ALL; 15030 if (!clearPackageStateForUser(ps, removedUserId, outInfo)) { 15031 return false; 15032 } 15033 markPackageUninstalledForUserLPw(ps, user); 15034 scheduleWritePackageRestrictionsLocked(user); 15035 return true; 15036 } 15037 } 15038 15039 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15040 && user.getIdentifier() != UserHandle.USER_ALL)) { 15041 // The caller is asking that the package only be deleted for a single 15042 // user. To do this, we just mark its uninstalled state and delete 15043 // its data. If this is a system app, we only allow this to happen if 15044 // they have set the special DELETE_SYSTEM_APP which requests different 15045 // semantics than normal for uninstalling system apps. 15046 markPackageUninstalledForUserLPw(ps, user); 15047 15048 if (!isSystemApp(ps)) { 15049 // Do not uninstall the APK if an app should be cached 15050 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15051 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15052 // Other user still have this package installed, so all 15053 // we need to do is clear this user's data and save that 15054 // it is uninstalled. 15055 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15056 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15057 return false; 15058 } 15059 scheduleWritePackageRestrictionsLocked(user); 15060 return true; 15061 } else { 15062 // We need to set it back to 'installed' so the uninstall 15063 // broadcasts will be sent correctly. 15064 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15065 ps.setInstalled(true, user.getIdentifier()); 15066 } 15067 } else { 15068 // This is a system app, so we assume that the 15069 // other users still have this package installed, so all 15070 // we need to do is clear this user's data and save that 15071 // it is uninstalled. 15072 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15073 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15074 return false; 15075 } 15076 scheduleWritePackageRestrictionsLocked(user); 15077 return true; 15078 } 15079 } 15080 15081 // If we are deleting a composite package for all users, keep track 15082 // of result for each child. 15083 if (ps.childPackageNames != null && outInfo != null) { 15084 synchronized (mPackages) { 15085 final int childCount = ps.childPackageNames.size(); 15086 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15087 for (int i = 0; i < childCount; i++) { 15088 String childPackageName = ps.childPackageNames.get(i); 15089 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15090 childInfo.removedPackage = childPackageName; 15091 outInfo.removedChildPackages.put(childPackageName, childInfo); 15092 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15093 if (childPs != null) { 15094 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15095 } 15096 } 15097 } 15098 } 15099 15100 boolean ret = false; 15101 if (isSystemApp(ps)) { 15102 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15103 // When an updated system application is deleted we delete the existing resources 15104 // as well and fall back to existing code in system partition 15105 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15106 } else { 15107 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15108 // Kill application pre-emptively especially for apps on sd. 15109 final boolean killApp = (flags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15110 if (killApp) { 15111 killApplication(packageName, ps.appId, "uninstall pkg"); 15112 } 15113 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, allUserHandles, 15114 outInfo, writeSettings, replacingPackage); 15115 } 15116 15117 // Take a note whether we deleted the package for all users 15118 if (outInfo != null) { 15119 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15120 if (outInfo.removedChildPackages != null) { 15121 synchronized (mPackages) { 15122 final int childCount = outInfo.removedChildPackages.size(); 15123 for (int i = 0; i < childCount; i++) { 15124 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15125 if (childInfo != null) { 15126 childInfo.removedForAllUsers = mPackages.get( 15127 childInfo.removedPackage) == null; 15128 } 15129 } 15130 } 15131 } 15132 // If we uninstalled an update to a system app there may be some 15133 // child packages that appeared as they are declared in the system 15134 // app but were not declared in the update. 15135 if (isSystemApp(ps)) { 15136 synchronized (mPackages) { 15137 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15138 final int childCount = (updatedPs.childPackageNames != null) 15139 ? updatedPs.childPackageNames.size() : 0; 15140 for (int i = 0; i < childCount; i++) { 15141 String childPackageName = updatedPs.childPackageNames.get(i); 15142 if (outInfo.removedChildPackages == null 15143 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15144 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15145 if (childPs == null) { 15146 continue; 15147 } 15148 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15149 installRes.name = childPackageName; 15150 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15151 installRes.pkg = mPackages.get(childPackageName); 15152 installRes.uid = childPs.pkg.applicationInfo.uid; 15153 if (outInfo.appearedChildPackages == null) { 15154 outInfo.appearedChildPackages = new ArrayMap<>(); 15155 } 15156 outInfo.appearedChildPackages.put(childPackageName, installRes); 15157 } 15158 } 15159 } 15160 } 15161 } 15162 15163 return ret; 15164 } 15165 15166 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15167 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15168 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15169 for (int nextUserId : userIds) { 15170 if (DEBUG_REMOVE) { 15171 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15172 } 15173 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 15174 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15175 false /*hidden*/, false /*suspended*/, null, null, null, 15176 false /*blockUninstall*/, 15177 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15178 } 15179 } 15180 15181 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 15182 PackageRemovedInfo outInfo) { 15183 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15184 : new int[] {userId}; 15185 for (int nextUserId : userIds) { 15186 if (DEBUG_REMOVE) { 15187 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15188 + nextUserId); 15189 } 15190 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 15191 try { 15192 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 15193 } catch (InstallerException e) { 15194 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 15195 return false; 15196 } 15197 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15198 schedulePackageCleaning(ps.name, nextUserId, false); 15199 synchronized (mPackages) { 15200 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15201 scheduleWritePackageRestrictionsLocked(nextUserId); 15202 } 15203 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15204 } 15205 } 15206 15207 if (outInfo != null) { 15208 outInfo.removedPackage = ps.name; 15209 outInfo.removedAppId = ps.appId; 15210 outInfo.removedUsers = userIds; 15211 } 15212 15213 return true; 15214 } 15215 15216 private final class ClearStorageConnection implements ServiceConnection { 15217 IMediaContainerService mContainerService; 15218 15219 @Override 15220 public void onServiceConnected(ComponentName name, IBinder service) { 15221 synchronized (this) { 15222 mContainerService = IMediaContainerService.Stub.asInterface(service); 15223 notifyAll(); 15224 } 15225 } 15226 15227 @Override 15228 public void onServiceDisconnected(ComponentName name) { 15229 } 15230 } 15231 15232 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15233 final boolean mounted; 15234 if (Environment.isExternalStorageEmulated()) { 15235 mounted = true; 15236 } else { 15237 final String status = Environment.getExternalStorageState(); 15238 15239 mounted = status.equals(Environment.MEDIA_MOUNTED) 15240 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15241 } 15242 15243 if (!mounted) { 15244 return; 15245 } 15246 15247 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15248 int[] users; 15249 if (userId == UserHandle.USER_ALL) { 15250 users = sUserManager.getUserIds(); 15251 } else { 15252 users = new int[] { userId }; 15253 } 15254 final ClearStorageConnection conn = new ClearStorageConnection(); 15255 if (mContext.bindServiceAsUser( 15256 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15257 try { 15258 for (int curUser : users) { 15259 long timeout = SystemClock.uptimeMillis() + 5000; 15260 synchronized (conn) { 15261 long now = SystemClock.uptimeMillis(); 15262 while (conn.mContainerService == null && now < timeout) { 15263 try { 15264 conn.wait(timeout - now); 15265 } catch (InterruptedException e) { 15266 } 15267 } 15268 } 15269 if (conn.mContainerService == null) { 15270 return; 15271 } 15272 15273 final UserEnvironment userEnv = new UserEnvironment(curUser); 15274 clearDirectory(conn.mContainerService, 15275 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15276 if (allData) { 15277 clearDirectory(conn.mContainerService, 15278 userEnv.buildExternalStorageAppDataDirs(packageName)); 15279 clearDirectory(conn.mContainerService, 15280 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15281 } 15282 } 15283 } finally { 15284 mContext.unbindService(conn); 15285 } 15286 } 15287 } 15288 15289 @Override 15290 public void clearApplicationProfileData(String packageName) { 15291 enforceSystemOrRoot("Only the system can clear all profile data"); 15292 try { 15293 mInstaller.clearAppProfiles(packageName); 15294 } catch (InstallerException ex) { 15295 Log.e(TAG, "Could not clear profile data of package " + packageName); 15296 } 15297 } 15298 15299 @Override 15300 public void clearApplicationUserData(final String packageName, 15301 final IPackageDataObserver observer, final int userId) { 15302 mContext.enforceCallingOrSelfPermission( 15303 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15304 15305 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15306 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15307 15308 final DevicePolicyManagerInternal dpmi = LocalServices 15309 .getService(DevicePolicyManagerInternal.class); 15310 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15311 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15312 } 15313 // Queue up an async operation since the package deletion may take a little while. 15314 mHandler.post(new Runnable() { 15315 public void run() { 15316 mHandler.removeCallbacks(this); 15317 final boolean succeeded; 15318 synchronized (mInstallLock) { 15319 succeeded = clearApplicationUserDataLI(packageName, userId); 15320 } 15321 clearExternalStorageDataSync(packageName, userId, true); 15322 if (succeeded) { 15323 // invoke DeviceStorageMonitor's update method to clear any notifications 15324 DeviceStorageMonitorInternal dsm = LocalServices 15325 .getService(DeviceStorageMonitorInternal.class); 15326 if (dsm != null) { 15327 dsm.checkMemory(); 15328 } 15329 } 15330 if(observer != null) { 15331 try { 15332 observer.onRemoveCompleted(packageName, succeeded); 15333 } catch (RemoteException e) { 15334 Log.i(TAG, "Observer no longer exists."); 15335 } 15336 } //end if observer 15337 } //end run 15338 }); 15339 } 15340 15341 private boolean clearApplicationUserDataLI(String packageName, int userId) { 15342 if (packageName == null) { 15343 Slog.w(TAG, "Attempt to delete null packageName."); 15344 return false; 15345 } 15346 15347 // Try finding details about the requested package 15348 PackageParser.Package pkg; 15349 synchronized (mPackages) { 15350 pkg = mPackages.get(packageName); 15351 if (pkg == null) { 15352 final PackageSetting ps = mSettings.mPackages.get(packageName); 15353 if (ps != null) { 15354 pkg = ps.pkg; 15355 } 15356 } 15357 15358 if (pkg == null) { 15359 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15360 return false; 15361 } 15362 15363 PackageSetting ps = (PackageSetting) pkg.mExtras; 15364 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15365 } 15366 15367 // Always delete data directories for package, even if we found no other 15368 // record of app. This helps users recover from UID mismatches without 15369 // resorting to a full data wipe. 15370 // TODO: triage flags as part of 26466827 15371 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15372 try { 15373 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 15374 } catch (InstallerException e) { 15375 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 15376 return false; 15377 } 15378 15379 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15380 removeKeystoreDataIfNeeded(userId, appId); 15381 15382 // Create a native library symlink only if we have native libraries 15383 // and if the native libraries are 32 bit libraries. We do not provide 15384 // this symlink for 64 bit libraries. 15385 if (pkg.applicationInfo.primaryCpuAbi != null && 15386 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 15387 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 15388 try { 15389 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 15390 nativeLibPath, userId); 15391 } catch (InstallerException e) { 15392 Slog.w(TAG, "Failed linking native library dir", e); 15393 return false; 15394 } 15395 } 15396 15397 return true; 15398 } 15399 15400 /** 15401 * Reverts user permission state changes (permissions and flags) in 15402 * all packages for a given user. 15403 * 15404 * @param userId The device user for which to do a reset. 15405 */ 15406 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15407 final int packageCount = mPackages.size(); 15408 for (int i = 0; i < packageCount; i++) { 15409 PackageParser.Package pkg = mPackages.valueAt(i); 15410 PackageSetting ps = (PackageSetting) pkg.mExtras; 15411 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15412 } 15413 } 15414 15415 /** 15416 * Reverts user permission state changes (permissions and flags). 15417 * 15418 * @param ps The package for which to reset. 15419 * @param userId The device user for which to do a reset. 15420 */ 15421 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15422 final PackageSetting ps, final int userId) { 15423 if (ps.pkg == null) { 15424 return; 15425 } 15426 15427 // These are flags that can change base on user actions. 15428 final int userSettableMask = FLAG_PERMISSION_USER_SET 15429 | FLAG_PERMISSION_USER_FIXED 15430 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15431 | FLAG_PERMISSION_REVIEW_REQUIRED; 15432 15433 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15434 | FLAG_PERMISSION_POLICY_FIXED; 15435 15436 boolean writeInstallPermissions = false; 15437 boolean writeRuntimePermissions = false; 15438 15439 final int permissionCount = ps.pkg.requestedPermissions.size(); 15440 for (int i = 0; i < permissionCount; i++) { 15441 String permission = ps.pkg.requestedPermissions.get(i); 15442 15443 BasePermission bp = mSettings.mPermissions.get(permission); 15444 if (bp == null) { 15445 continue; 15446 } 15447 15448 // If shared user we just reset the state to which only this app contributed. 15449 if (ps.sharedUser != null) { 15450 boolean used = false; 15451 final int packageCount = ps.sharedUser.packages.size(); 15452 for (int j = 0; j < packageCount; j++) { 15453 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15454 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15455 && pkg.pkg.requestedPermissions.contains(permission)) { 15456 used = true; 15457 break; 15458 } 15459 } 15460 if (used) { 15461 continue; 15462 } 15463 } 15464 15465 PermissionsState permissionsState = ps.getPermissionsState(); 15466 15467 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15468 15469 // Always clear the user settable flags. 15470 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15471 bp.name) != null; 15472 // If permission review is enabled and this is a legacy app, mark the 15473 // permission as requiring a review as this is the initial state. 15474 int flags = 0; 15475 if (Build.PERMISSIONS_REVIEW_REQUIRED 15476 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15477 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15478 } 15479 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15480 if (hasInstallState) { 15481 writeInstallPermissions = true; 15482 } else { 15483 writeRuntimePermissions = true; 15484 } 15485 } 15486 15487 // Below is only runtime permission handling. 15488 if (!bp.isRuntime()) { 15489 continue; 15490 } 15491 15492 // Never clobber system or policy. 15493 if ((oldFlags & policyOrSystemFlags) != 0) { 15494 continue; 15495 } 15496 15497 // If this permission was granted by default, make sure it is. 15498 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15499 if (permissionsState.grantRuntimePermission(bp, userId) 15500 != PERMISSION_OPERATION_FAILURE) { 15501 writeRuntimePermissions = true; 15502 } 15503 // If permission review is enabled the permissions for a legacy apps 15504 // are represented as constantly granted runtime ones, so don't revoke. 15505 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15506 // Otherwise, reset the permission. 15507 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15508 switch (revokeResult) { 15509 case PERMISSION_OPERATION_SUCCESS: { 15510 writeRuntimePermissions = true; 15511 } break; 15512 15513 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15514 writeRuntimePermissions = true; 15515 final int appId = ps.appId; 15516 mHandler.post(new Runnable() { 15517 @Override 15518 public void run() { 15519 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 15520 } 15521 }); 15522 } break; 15523 } 15524 } 15525 } 15526 15527 // Synchronously write as we are taking permissions away. 15528 if (writeRuntimePermissions) { 15529 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15530 } 15531 15532 // Synchronously write as we are taking permissions away. 15533 if (writeInstallPermissions) { 15534 mSettings.writeLPr(); 15535 } 15536 } 15537 15538 /** 15539 * Remove entries from the keystore daemon. Will only remove it if the 15540 * {@code appId} is valid. 15541 */ 15542 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15543 if (appId < 0) { 15544 return; 15545 } 15546 15547 final KeyStore keyStore = KeyStore.getInstance(); 15548 if (keyStore != null) { 15549 if (userId == UserHandle.USER_ALL) { 15550 for (final int individual : sUserManager.getUserIds()) { 15551 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15552 } 15553 } else { 15554 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15555 } 15556 } else { 15557 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15558 } 15559 } 15560 15561 @Override 15562 public void deleteApplicationCacheFiles(final String packageName, 15563 final IPackageDataObserver observer) { 15564 mContext.enforceCallingOrSelfPermission( 15565 android.Manifest.permission.DELETE_CACHE_FILES, null); 15566 // Queue up an async operation since the package deletion may take a little while. 15567 final int userId = UserHandle.getCallingUserId(); 15568 mHandler.post(new Runnable() { 15569 public void run() { 15570 mHandler.removeCallbacks(this); 15571 final boolean succeded; 15572 synchronized (mInstallLock) { 15573 succeded = deleteApplicationCacheFilesLI(packageName, userId); 15574 } 15575 clearExternalStorageDataSync(packageName, userId, false); 15576 if (observer != null) { 15577 try { 15578 observer.onRemoveCompleted(packageName, succeded); 15579 } catch (RemoteException e) { 15580 Log.i(TAG, "Observer no longer exists."); 15581 } 15582 } //end if observer 15583 } //end run 15584 }); 15585 } 15586 15587 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 15588 if (packageName == null) { 15589 Slog.w(TAG, "Attempt to delete null packageName."); 15590 return false; 15591 } 15592 PackageParser.Package p; 15593 synchronized (mPackages) { 15594 p = mPackages.get(packageName); 15595 } 15596 if (p == null) { 15597 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15598 return false; 15599 } 15600 final ApplicationInfo applicationInfo = p.applicationInfo; 15601 if (applicationInfo == null) { 15602 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15603 return false; 15604 } 15605 // TODO: triage flags as part of 26466827 15606 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15607 try { 15608 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 15609 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 15610 } catch (InstallerException e) { 15611 Slog.w(TAG, "Couldn't remove cache files for package " 15612 + packageName + " u" + userId, e); 15613 return false; 15614 } 15615 return true; 15616 } 15617 15618 @Override 15619 public void getPackageSizeInfo(final String packageName, int userHandle, 15620 final IPackageStatsObserver observer) { 15621 mContext.enforceCallingOrSelfPermission( 15622 android.Manifest.permission.GET_PACKAGE_SIZE, null); 15623 if (packageName == null) { 15624 throw new IllegalArgumentException("Attempt to get size of null packageName"); 15625 } 15626 15627 PackageStats stats = new PackageStats(packageName, userHandle); 15628 15629 /* 15630 * Queue up an async operation since the package measurement may take a 15631 * little while. 15632 */ 15633 Message msg = mHandler.obtainMessage(INIT_COPY); 15634 msg.obj = new MeasureParams(stats, observer); 15635 mHandler.sendMessage(msg); 15636 } 15637 15638 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 15639 PackageStats pStats) { 15640 if (packageName == null) { 15641 Slog.w(TAG, "Attempt to get size of null packageName."); 15642 return false; 15643 } 15644 PackageParser.Package p; 15645 boolean dataOnly = false; 15646 String libDirRoot = null; 15647 String asecPath = null; 15648 PackageSetting ps = null; 15649 synchronized (mPackages) { 15650 p = mPackages.get(packageName); 15651 ps = mSettings.mPackages.get(packageName); 15652 if(p == null) { 15653 dataOnly = true; 15654 if((ps == null) || (ps.pkg == null)) { 15655 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15656 return false; 15657 } 15658 p = ps.pkg; 15659 } 15660 if (ps != null) { 15661 libDirRoot = ps.legacyNativeLibraryPathString; 15662 } 15663 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 15664 final long token = Binder.clearCallingIdentity(); 15665 try { 15666 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 15667 if (secureContainerId != null) { 15668 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 15669 } 15670 } finally { 15671 Binder.restoreCallingIdentity(token); 15672 } 15673 } 15674 } 15675 String publicSrcDir = null; 15676 if(!dataOnly) { 15677 final ApplicationInfo applicationInfo = p.applicationInfo; 15678 if (applicationInfo == null) { 15679 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15680 return false; 15681 } 15682 if (p.isForwardLocked()) { 15683 publicSrcDir = applicationInfo.getBaseResourcePath(); 15684 } 15685 } 15686 // TODO: extend to measure size of split APKs 15687 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 15688 // not just the first level. 15689 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 15690 // just the primary. 15691 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 15692 15693 String apkPath; 15694 File packageDir = new File(p.codePath); 15695 15696 if (packageDir.isDirectory() && p.canHaveOatDir()) { 15697 apkPath = packageDir.getAbsolutePath(); 15698 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 15699 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 15700 libDirRoot = null; 15701 } 15702 } else { 15703 apkPath = p.baseCodePath; 15704 } 15705 15706 // TODO: triage flags as part of 26466827 15707 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15708 try { 15709 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 15710 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 15711 } catch (InstallerException e) { 15712 return false; 15713 } 15714 15715 // Fix-up for forward-locked applications in ASEC containers. 15716 if (!isExternal(p)) { 15717 pStats.codeSize += pStats.externalCodeSize; 15718 pStats.externalCodeSize = 0L; 15719 } 15720 15721 return true; 15722 } 15723 15724 private int getUidTargetSdkVersionLockedLPr(int uid) { 15725 Object obj = mSettings.getUserIdLPr(uid); 15726 if (obj instanceof SharedUserSetting) { 15727 final SharedUserSetting sus = (SharedUserSetting) obj; 15728 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 15729 final Iterator<PackageSetting> it = sus.packages.iterator(); 15730 while (it.hasNext()) { 15731 final PackageSetting ps = it.next(); 15732 if (ps.pkg != null) { 15733 int v = ps.pkg.applicationInfo.targetSdkVersion; 15734 if (v < vers) vers = v; 15735 } 15736 } 15737 return vers; 15738 } else if (obj instanceof PackageSetting) { 15739 final PackageSetting ps = (PackageSetting) obj; 15740 if (ps.pkg != null) { 15741 return ps.pkg.applicationInfo.targetSdkVersion; 15742 } 15743 } 15744 return Build.VERSION_CODES.CUR_DEVELOPMENT; 15745 } 15746 15747 @Override 15748 public void addPreferredActivity(IntentFilter filter, int match, 15749 ComponentName[] set, ComponentName activity, int userId) { 15750 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15751 "Adding preferred"); 15752 } 15753 15754 private void addPreferredActivityInternal(IntentFilter filter, int match, 15755 ComponentName[] set, ComponentName activity, boolean always, int userId, 15756 String opname) { 15757 // writer 15758 int callingUid = Binder.getCallingUid(); 15759 enforceCrossUserPermission(callingUid, userId, 15760 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 15761 if (filter.countActions() == 0) { 15762 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15763 return; 15764 } 15765 synchronized (mPackages) { 15766 if (mContext.checkCallingOrSelfPermission( 15767 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15768 != PackageManager.PERMISSION_GRANTED) { 15769 if (getUidTargetSdkVersionLockedLPr(callingUid) 15770 < Build.VERSION_CODES.FROYO) { 15771 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 15772 + callingUid); 15773 return; 15774 } 15775 mContext.enforceCallingOrSelfPermission( 15776 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15777 } 15778 15779 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 15780 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 15781 + userId + ":"); 15782 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15783 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 15784 scheduleWritePackageRestrictionsLocked(userId); 15785 } 15786 } 15787 15788 @Override 15789 public void replacePreferredActivity(IntentFilter filter, int match, 15790 ComponentName[] set, ComponentName activity, int userId) { 15791 if (filter.countActions() != 1) { 15792 throw new IllegalArgumentException( 15793 "replacePreferredActivity expects filter to have only 1 action."); 15794 } 15795 if (filter.countDataAuthorities() != 0 15796 || filter.countDataPaths() != 0 15797 || filter.countDataSchemes() > 1 15798 || filter.countDataTypes() != 0) { 15799 throw new IllegalArgumentException( 15800 "replacePreferredActivity expects filter to have no data authorities, " + 15801 "paths, or types; and at most one scheme."); 15802 } 15803 15804 final int callingUid = Binder.getCallingUid(); 15805 enforceCrossUserPermission(callingUid, userId, 15806 true /* requireFullPermission */, false /* checkShell */, 15807 "replace preferred activity"); 15808 synchronized (mPackages) { 15809 if (mContext.checkCallingOrSelfPermission( 15810 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15811 != PackageManager.PERMISSION_GRANTED) { 15812 if (getUidTargetSdkVersionLockedLPr(callingUid) 15813 < Build.VERSION_CODES.FROYO) { 15814 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 15815 + Binder.getCallingUid()); 15816 return; 15817 } 15818 mContext.enforceCallingOrSelfPermission( 15819 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15820 } 15821 15822 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15823 if (pir != null) { 15824 // Get all of the existing entries that exactly match this filter. 15825 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 15826 if (existing != null && existing.size() == 1) { 15827 PreferredActivity cur = existing.get(0); 15828 if (DEBUG_PREFERRED) { 15829 Slog.i(TAG, "Checking replace of preferred:"); 15830 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15831 if (!cur.mPref.mAlways) { 15832 Slog.i(TAG, " -- CUR; not mAlways!"); 15833 } else { 15834 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 15835 Slog.i(TAG, " -- CUR: mSet=" 15836 + Arrays.toString(cur.mPref.mSetComponents)); 15837 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 15838 Slog.i(TAG, " -- NEW: mMatch=" 15839 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 15840 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 15841 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 15842 } 15843 } 15844 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 15845 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 15846 && cur.mPref.sameSet(set)) { 15847 // Setting the preferred activity to what it happens to be already 15848 if (DEBUG_PREFERRED) { 15849 Slog.i(TAG, "Replacing with same preferred activity " 15850 + cur.mPref.mShortComponent + " for user " 15851 + userId + ":"); 15852 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15853 } 15854 return; 15855 } 15856 } 15857 15858 if (existing != null) { 15859 if (DEBUG_PREFERRED) { 15860 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 15861 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15862 } 15863 for (int i = 0; i < existing.size(); i++) { 15864 PreferredActivity pa = existing.get(i); 15865 if (DEBUG_PREFERRED) { 15866 Slog.i(TAG, "Removing existing preferred activity " 15867 + pa.mPref.mComponent + ":"); 15868 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 15869 } 15870 pir.removeFilter(pa); 15871 } 15872 } 15873 } 15874 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15875 "Replacing preferred"); 15876 } 15877 } 15878 15879 @Override 15880 public void clearPackagePreferredActivities(String packageName) { 15881 final int uid = Binder.getCallingUid(); 15882 // writer 15883 synchronized (mPackages) { 15884 PackageParser.Package pkg = mPackages.get(packageName); 15885 if (pkg == null || pkg.applicationInfo.uid != uid) { 15886 if (mContext.checkCallingOrSelfPermission( 15887 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15888 != PackageManager.PERMISSION_GRANTED) { 15889 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 15890 < Build.VERSION_CODES.FROYO) { 15891 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 15892 + Binder.getCallingUid()); 15893 return; 15894 } 15895 mContext.enforceCallingOrSelfPermission( 15896 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15897 } 15898 } 15899 15900 int user = UserHandle.getCallingUserId(); 15901 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 15902 scheduleWritePackageRestrictionsLocked(user); 15903 } 15904 } 15905 } 15906 15907 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15908 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 15909 ArrayList<PreferredActivity> removed = null; 15910 boolean changed = false; 15911 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15912 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 15913 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15914 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 15915 continue; 15916 } 15917 Iterator<PreferredActivity> it = pir.filterIterator(); 15918 while (it.hasNext()) { 15919 PreferredActivity pa = it.next(); 15920 // Mark entry for removal only if it matches the package name 15921 // and the entry is of type "always". 15922 if (packageName == null || 15923 (pa.mPref.mComponent.getPackageName().equals(packageName) 15924 && pa.mPref.mAlways)) { 15925 if (removed == null) { 15926 removed = new ArrayList<PreferredActivity>(); 15927 } 15928 removed.add(pa); 15929 } 15930 } 15931 if (removed != null) { 15932 for (int j=0; j<removed.size(); j++) { 15933 PreferredActivity pa = removed.get(j); 15934 pir.removeFilter(pa); 15935 } 15936 changed = true; 15937 } 15938 } 15939 return changed; 15940 } 15941 15942 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15943 private void clearIntentFilterVerificationsLPw(int userId) { 15944 final int packageCount = mPackages.size(); 15945 for (int i = 0; i < packageCount; i++) { 15946 PackageParser.Package pkg = mPackages.valueAt(i); 15947 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 15948 } 15949 } 15950 15951 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15952 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 15953 if (userId == UserHandle.USER_ALL) { 15954 if (mSettings.removeIntentFilterVerificationLPw(packageName, 15955 sUserManager.getUserIds())) { 15956 for (int oneUserId : sUserManager.getUserIds()) { 15957 scheduleWritePackageRestrictionsLocked(oneUserId); 15958 } 15959 } 15960 } else { 15961 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 15962 scheduleWritePackageRestrictionsLocked(userId); 15963 } 15964 } 15965 } 15966 15967 void clearDefaultBrowserIfNeeded(String packageName) { 15968 for (int oneUserId : sUserManager.getUserIds()) { 15969 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 15970 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 15971 if (packageName.equals(defaultBrowserPackageName)) { 15972 setDefaultBrowserPackageName(null, oneUserId); 15973 } 15974 } 15975 } 15976 15977 @Override 15978 public void resetApplicationPreferences(int userId) { 15979 mContext.enforceCallingOrSelfPermission( 15980 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15981 // writer 15982 synchronized (mPackages) { 15983 final long identity = Binder.clearCallingIdentity(); 15984 try { 15985 clearPackagePreferredActivitiesLPw(null, userId); 15986 mSettings.applyDefaultPreferredAppsLPw(this, userId); 15987 // TODO: We have to reset the default SMS and Phone. This requires 15988 // significant refactoring to keep all default apps in the package 15989 // manager (cleaner but more work) or have the services provide 15990 // callbacks to the package manager to request a default app reset. 15991 applyFactoryDefaultBrowserLPw(userId); 15992 clearIntentFilterVerificationsLPw(userId); 15993 primeDomainVerificationsLPw(userId); 15994 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 15995 scheduleWritePackageRestrictionsLocked(userId); 15996 } finally { 15997 Binder.restoreCallingIdentity(identity); 15998 } 15999 } 16000 } 16001 16002 @Override 16003 public int getPreferredActivities(List<IntentFilter> outFilters, 16004 List<ComponentName> outActivities, String packageName) { 16005 16006 int num = 0; 16007 final int userId = UserHandle.getCallingUserId(); 16008 // reader 16009 synchronized (mPackages) { 16010 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16011 if (pir != null) { 16012 final Iterator<PreferredActivity> it = pir.filterIterator(); 16013 while (it.hasNext()) { 16014 final PreferredActivity pa = it.next(); 16015 if (packageName == null 16016 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16017 && pa.mPref.mAlways)) { 16018 if (outFilters != null) { 16019 outFilters.add(new IntentFilter(pa)); 16020 } 16021 if (outActivities != null) { 16022 outActivities.add(pa.mPref.mComponent); 16023 } 16024 } 16025 } 16026 } 16027 } 16028 16029 return num; 16030 } 16031 16032 @Override 16033 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16034 int userId) { 16035 int callingUid = Binder.getCallingUid(); 16036 if (callingUid != Process.SYSTEM_UID) { 16037 throw new SecurityException( 16038 "addPersistentPreferredActivity can only be run by the system"); 16039 } 16040 if (filter.countActions() == 0) { 16041 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16042 return; 16043 } 16044 synchronized (mPackages) { 16045 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16046 ":"); 16047 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16048 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16049 new PersistentPreferredActivity(filter, activity)); 16050 scheduleWritePackageRestrictionsLocked(userId); 16051 } 16052 } 16053 16054 @Override 16055 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16056 int callingUid = Binder.getCallingUid(); 16057 if (callingUid != Process.SYSTEM_UID) { 16058 throw new SecurityException( 16059 "clearPackagePersistentPreferredActivities can only be run by the system"); 16060 } 16061 ArrayList<PersistentPreferredActivity> removed = null; 16062 boolean changed = false; 16063 synchronized (mPackages) { 16064 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16065 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16066 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16067 .valueAt(i); 16068 if (userId != thisUserId) { 16069 continue; 16070 } 16071 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16072 while (it.hasNext()) { 16073 PersistentPreferredActivity ppa = it.next(); 16074 // Mark entry for removal only if it matches the package name. 16075 if (ppa.mComponent.getPackageName().equals(packageName)) { 16076 if (removed == null) { 16077 removed = new ArrayList<PersistentPreferredActivity>(); 16078 } 16079 removed.add(ppa); 16080 } 16081 } 16082 if (removed != null) { 16083 for (int j=0; j<removed.size(); j++) { 16084 PersistentPreferredActivity ppa = removed.get(j); 16085 ppir.removeFilter(ppa); 16086 } 16087 changed = true; 16088 } 16089 } 16090 16091 if (changed) { 16092 scheduleWritePackageRestrictionsLocked(userId); 16093 } 16094 } 16095 } 16096 16097 /** 16098 * Common machinery for picking apart a restored XML blob and passing 16099 * it to a caller-supplied functor to be applied to the running system. 16100 */ 16101 private void restoreFromXml(XmlPullParser parser, int userId, 16102 String expectedStartTag, BlobXmlRestorer functor) 16103 throws IOException, XmlPullParserException { 16104 int type; 16105 while ((type = parser.next()) != XmlPullParser.START_TAG 16106 && type != XmlPullParser.END_DOCUMENT) { 16107 } 16108 if (type != XmlPullParser.START_TAG) { 16109 // oops didn't find a start tag?! 16110 if (DEBUG_BACKUP) { 16111 Slog.e(TAG, "Didn't find start tag during restore"); 16112 } 16113 return; 16114 } 16115Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16116 // this is supposed to be TAG_PREFERRED_BACKUP 16117 if (!expectedStartTag.equals(parser.getName())) { 16118 if (DEBUG_BACKUP) { 16119 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16120 } 16121 return; 16122 } 16123 16124 // skip interfering stuff, then we're aligned with the backing implementation 16125 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16126Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16127 functor.apply(parser, userId); 16128 } 16129 16130 private interface BlobXmlRestorer { 16131 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16132 } 16133 16134 /** 16135 * Non-Binder method, support for the backup/restore mechanism: write the 16136 * full set of preferred activities in its canonical XML format. Returns the 16137 * XML output as a byte array, or null if there is none. 16138 */ 16139 @Override 16140 public byte[] getPreferredActivityBackup(int userId) { 16141 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16142 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16143 } 16144 16145 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16146 try { 16147 final XmlSerializer serializer = new FastXmlSerializer(); 16148 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16149 serializer.startDocument(null, true); 16150 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16151 16152 synchronized (mPackages) { 16153 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16154 } 16155 16156 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16157 serializer.endDocument(); 16158 serializer.flush(); 16159 } catch (Exception e) { 16160 if (DEBUG_BACKUP) { 16161 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16162 } 16163 return null; 16164 } 16165 16166 return dataStream.toByteArray(); 16167 } 16168 16169 @Override 16170 public void restorePreferredActivities(byte[] backup, int userId) { 16171 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16172 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16173 } 16174 16175 try { 16176 final XmlPullParser parser = Xml.newPullParser(); 16177 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16178 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16179 new BlobXmlRestorer() { 16180 @Override 16181 public void apply(XmlPullParser parser, int userId) 16182 throws XmlPullParserException, IOException { 16183 synchronized (mPackages) { 16184 mSettings.readPreferredActivitiesLPw(parser, userId); 16185 } 16186 } 16187 } ); 16188 } catch (Exception e) { 16189 if (DEBUG_BACKUP) { 16190 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16191 } 16192 } 16193 } 16194 16195 /** 16196 * Non-Binder method, support for the backup/restore mechanism: write the 16197 * default browser (etc) settings in its canonical XML format. Returns the default 16198 * browser XML representation as a byte array, or null if there is none. 16199 */ 16200 @Override 16201 public byte[] getDefaultAppsBackup(int userId) { 16202 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16203 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16204 } 16205 16206 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16207 try { 16208 final XmlSerializer serializer = new FastXmlSerializer(); 16209 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16210 serializer.startDocument(null, true); 16211 serializer.startTag(null, TAG_DEFAULT_APPS); 16212 16213 synchronized (mPackages) { 16214 mSettings.writeDefaultAppsLPr(serializer, userId); 16215 } 16216 16217 serializer.endTag(null, TAG_DEFAULT_APPS); 16218 serializer.endDocument(); 16219 serializer.flush(); 16220 } catch (Exception e) { 16221 if (DEBUG_BACKUP) { 16222 Slog.e(TAG, "Unable to write default apps for backup", e); 16223 } 16224 return null; 16225 } 16226 16227 return dataStream.toByteArray(); 16228 } 16229 16230 @Override 16231 public void restoreDefaultApps(byte[] backup, int userId) { 16232 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16233 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16234 } 16235 16236 try { 16237 final XmlPullParser parser = Xml.newPullParser(); 16238 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16239 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16240 new BlobXmlRestorer() { 16241 @Override 16242 public void apply(XmlPullParser parser, int userId) 16243 throws XmlPullParserException, IOException { 16244 synchronized (mPackages) { 16245 mSettings.readDefaultAppsLPw(parser, userId); 16246 } 16247 } 16248 } ); 16249 } catch (Exception e) { 16250 if (DEBUG_BACKUP) { 16251 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16252 } 16253 } 16254 } 16255 16256 @Override 16257 public byte[] getIntentFilterVerificationBackup(int userId) { 16258 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16259 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16260 } 16261 16262 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16263 try { 16264 final XmlSerializer serializer = new FastXmlSerializer(); 16265 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16266 serializer.startDocument(null, true); 16267 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16268 16269 synchronized (mPackages) { 16270 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16271 } 16272 16273 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16274 serializer.endDocument(); 16275 serializer.flush(); 16276 } catch (Exception e) { 16277 if (DEBUG_BACKUP) { 16278 Slog.e(TAG, "Unable to write default apps for backup", e); 16279 } 16280 return null; 16281 } 16282 16283 return dataStream.toByteArray(); 16284 } 16285 16286 @Override 16287 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16288 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16289 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16290 } 16291 16292 try { 16293 final XmlPullParser parser = Xml.newPullParser(); 16294 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16295 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16296 new BlobXmlRestorer() { 16297 @Override 16298 public void apply(XmlPullParser parser, int userId) 16299 throws XmlPullParserException, IOException { 16300 synchronized (mPackages) { 16301 mSettings.readAllDomainVerificationsLPr(parser, userId); 16302 mSettings.writeLPr(); 16303 } 16304 } 16305 } ); 16306 } catch (Exception e) { 16307 if (DEBUG_BACKUP) { 16308 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16309 } 16310 } 16311 } 16312 16313 @Override 16314 public byte[] getPermissionGrantBackup(int userId) { 16315 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16316 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16317 } 16318 16319 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16320 try { 16321 final XmlSerializer serializer = new FastXmlSerializer(); 16322 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16323 serializer.startDocument(null, true); 16324 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16325 16326 synchronized (mPackages) { 16327 serializeRuntimePermissionGrantsLPr(serializer, userId); 16328 } 16329 16330 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16331 serializer.endDocument(); 16332 serializer.flush(); 16333 } catch (Exception e) { 16334 if (DEBUG_BACKUP) { 16335 Slog.e(TAG, "Unable to write default apps for backup", e); 16336 } 16337 return null; 16338 } 16339 16340 return dataStream.toByteArray(); 16341 } 16342 16343 @Override 16344 public void restorePermissionGrants(byte[] backup, int userId) { 16345 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16346 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16347 } 16348 16349 try { 16350 final XmlPullParser parser = Xml.newPullParser(); 16351 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16352 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16353 new BlobXmlRestorer() { 16354 @Override 16355 public void apply(XmlPullParser parser, int userId) 16356 throws XmlPullParserException, IOException { 16357 synchronized (mPackages) { 16358 processRestoredPermissionGrantsLPr(parser, userId); 16359 } 16360 } 16361 } ); 16362 } catch (Exception e) { 16363 if (DEBUG_BACKUP) { 16364 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16365 } 16366 } 16367 } 16368 16369 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16370 throws IOException { 16371 serializer.startTag(null, TAG_ALL_GRANTS); 16372 16373 final int N = mSettings.mPackages.size(); 16374 for (int i = 0; i < N; i++) { 16375 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16376 boolean pkgGrantsKnown = false; 16377 16378 PermissionsState packagePerms = ps.getPermissionsState(); 16379 16380 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16381 final int grantFlags = state.getFlags(); 16382 // only look at grants that are not system/policy fixed 16383 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16384 final boolean isGranted = state.isGranted(); 16385 // And only back up the user-twiddled state bits 16386 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16387 final String packageName = mSettings.mPackages.keyAt(i); 16388 if (!pkgGrantsKnown) { 16389 serializer.startTag(null, TAG_GRANT); 16390 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16391 pkgGrantsKnown = true; 16392 } 16393 16394 final boolean userSet = 16395 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16396 final boolean userFixed = 16397 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16398 final boolean revoke = 16399 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16400 16401 serializer.startTag(null, TAG_PERMISSION); 16402 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16403 if (isGranted) { 16404 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16405 } 16406 if (userSet) { 16407 serializer.attribute(null, ATTR_USER_SET, "true"); 16408 } 16409 if (userFixed) { 16410 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16411 } 16412 if (revoke) { 16413 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16414 } 16415 serializer.endTag(null, TAG_PERMISSION); 16416 } 16417 } 16418 } 16419 16420 if (pkgGrantsKnown) { 16421 serializer.endTag(null, TAG_GRANT); 16422 } 16423 } 16424 16425 serializer.endTag(null, TAG_ALL_GRANTS); 16426 } 16427 16428 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16429 throws XmlPullParserException, IOException { 16430 String pkgName = null; 16431 int outerDepth = parser.getDepth(); 16432 int type; 16433 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16434 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16435 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16436 continue; 16437 } 16438 16439 final String tagName = parser.getName(); 16440 if (tagName.equals(TAG_GRANT)) { 16441 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16442 if (DEBUG_BACKUP) { 16443 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16444 } 16445 } else if (tagName.equals(TAG_PERMISSION)) { 16446 16447 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16448 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16449 16450 int newFlagSet = 0; 16451 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16452 newFlagSet |= FLAG_PERMISSION_USER_SET; 16453 } 16454 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16455 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16456 } 16457 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16458 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16459 } 16460 if (DEBUG_BACKUP) { 16461 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16462 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16463 } 16464 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16465 if (ps != null) { 16466 // Already installed so we apply the grant immediately 16467 if (DEBUG_BACKUP) { 16468 Slog.v(TAG, " + already installed; applying"); 16469 } 16470 PermissionsState perms = ps.getPermissionsState(); 16471 BasePermission bp = mSettings.mPermissions.get(permName); 16472 if (bp != null) { 16473 if (isGranted) { 16474 perms.grantRuntimePermission(bp, userId); 16475 } 16476 if (newFlagSet != 0) { 16477 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16478 } 16479 } 16480 } else { 16481 // Need to wait for post-restore install to apply the grant 16482 if (DEBUG_BACKUP) { 16483 Slog.v(TAG, " - not yet installed; saving for later"); 16484 } 16485 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16486 isGranted, newFlagSet, userId); 16487 } 16488 } else { 16489 PackageManagerService.reportSettingsProblem(Log.WARN, 16490 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16491 XmlUtils.skipCurrentTag(parser); 16492 } 16493 } 16494 16495 scheduleWriteSettingsLocked(); 16496 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16497 } 16498 16499 @Override 16500 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16501 int sourceUserId, int targetUserId, int flags) { 16502 mContext.enforceCallingOrSelfPermission( 16503 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16504 int callingUid = Binder.getCallingUid(); 16505 enforceOwnerRights(ownerPackage, callingUid); 16506 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16507 if (intentFilter.countActions() == 0) { 16508 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16509 return; 16510 } 16511 synchronized (mPackages) { 16512 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16513 ownerPackage, targetUserId, flags); 16514 CrossProfileIntentResolver resolver = 16515 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16516 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16517 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16518 if (existing != null) { 16519 int size = existing.size(); 16520 for (int i = 0; i < size; i++) { 16521 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16522 return; 16523 } 16524 } 16525 } 16526 resolver.addFilter(newFilter); 16527 scheduleWritePackageRestrictionsLocked(sourceUserId); 16528 } 16529 } 16530 16531 @Override 16532 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16533 mContext.enforceCallingOrSelfPermission( 16534 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16535 int callingUid = Binder.getCallingUid(); 16536 enforceOwnerRights(ownerPackage, callingUid); 16537 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16538 synchronized (mPackages) { 16539 CrossProfileIntentResolver resolver = 16540 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16541 ArraySet<CrossProfileIntentFilter> set = 16542 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16543 for (CrossProfileIntentFilter filter : set) { 16544 if (filter.getOwnerPackage().equals(ownerPackage)) { 16545 resolver.removeFilter(filter); 16546 } 16547 } 16548 scheduleWritePackageRestrictionsLocked(sourceUserId); 16549 } 16550 } 16551 16552 // Enforcing that callingUid is owning pkg on userId 16553 private void enforceOwnerRights(String pkg, int callingUid) { 16554 // The system owns everything. 16555 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16556 return; 16557 } 16558 int callingUserId = UserHandle.getUserId(callingUid); 16559 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16560 if (pi == null) { 16561 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16562 + callingUserId); 16563 } 16564 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16565 throw new SecurityException("Calling uid " + callingUid 16566 + " does not own package " + pkg); 16567 } 16568 } 16569 16570 @Override 16571 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16572 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 16573 } 16574 16575 private Intent getHomeIntent() { 16576 Intent intent = new Intent(Intent.ACTION_MAIN); 16577 intent.addCategory(Intent.CATEGORY_HOME); 16578 return intent; 16579 } 16580 16581 private IntentFilter getHomeFilter() { 16582 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 16583 filter.addCategory(Intent.CATEGORY_HOME); 16584 filter.addCategory(Intent.CATEGORY_DEFAULT); 16585 return filter; 16586 } 16587 16588 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 16589 int userId) { 16590 Intent intent = getHomeIntent(); 16591 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 16592 PackageManager.GET_META_DATA, userId); 16593 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16594 true, false, false, userId); 16595 16596 allHomeCandidates.clear(); 16597 if (list != null) { 16598 for (ResolveInfo ri : list) { 16599 allHomeCandidates.add(ri); 16600 } 16601 } 16602 return (preferred == null || preferred.activityInfo == null) 16603 ? null 16604 : new ComponentName(preferred.activityInfo.packageName, 16605 preferred.activityInfo.name); 16606 } 16607 16608 @Override 16609 public void setHomeActivity(ComponentName comp, int userId) { 16610 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 16611 getHomeActivitiesAsUser(homeActivities, userId); 16612 16613 boolean found = false; 16614 16615 final int size = homeActivities.size(); 16616 final ComponentName[] set = new ComponentName[size]; 16617 for (int i = 0; i < size; i++) { 16618 final ResolveInfo candidate = homeActivities.get(i); 16619 final ActivityInfo info = candidate.activityInfo; 16620 final ComponentName activityName = new ComponentName(info.packageName, info.name); 16621 set[i] = activityName; 16622 if (!found && activityName.equals(comp)) { 16623 found = true; 16624 } 16625 } 16626 if (!found) { 16627 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 16628 + userId); 16629 } 16630 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 16631 set, comp, userId); 16632 } 16633 16634 @Override 16635 public void setApplicationEnabledSetting(String appPackageName, 16636 int newState, int flags, int userId, String callingPackage) { 16637 if (!sUserManager.exists(userId)) return; 16638 if (callingPackage == null) { 16639 callingPackage = Integer.toString(Binder.getCallingUid()); 16640 } 16641 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 16642 } 16643 16644 @Override 16645 public void setComponentEnabledSetting(ComponentName componentName, 16646 int newState, int flags, int userId) { 16647 if (!sUserManager.exists(userId)) return; 16648 setEnabledSetting(componentName.getPackageName(), 16649 componentName.getClassName(), newState, flags, userId, null); 16650 } 16651 16652 private void setEnabledSetting(final String packageName, String className, int newState, 16653 final int flags, int userId, String callingPackage) { 16654 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 16655 || newState == COMPONENT_ENABLED_STATE_ENABLED 16656 || newState == COMPONENT_ENABLED_STATE_DISABLED 16657 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 16658 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 16659 throw new IllegalArgumentException("Invalid new component state: " 16660 + newState); 16661 } 16662 PackageSetting pkgSetting; 16663 final int uid = Binder.getCallingUid(); 16664 final int permission = mContext.checkCallingOrSelfPermission( 16665 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16666 enforceCrossUserPermission(uid, userId, 16667 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 16668 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16669 boolean sendNow = false; 16670 boolean isApp = (className == null); 16671 String componentName = isApp ? packageName : className; 16672 int packageUid = -1; 16673 ArrayList<String> components; 16674 16675 // writer 16676 synchronized (mPackages) { 16677 pkgSetting = mSettings.mPackages.get(packageName); 16678 if (pkgSetting == null) { 16679 if (className == null) { 16680 throw new IllegalArgumentException("Unknown package: " + packageName); 16681 } 16682 throw new IllegalArgumentException( 16683 "Unknown component: " + packageName + "/" + className); 16684 } 16685 // Allow root and verify that userId is not being specified by a different user 16686 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 16687 throw new SecurityException( 16688 "Permission Denial: attempt to change component state from pid=" 16689 + Binder.getCallingPid() 16690 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 16691 } 16692 if (className == null) { 16693 // We're dealing with an application/package level state change 16694 if (pkgSetting.getEnabled(userId) == newState) { 16695 // Nothing to do 16696 return; 16697 } 16698 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 16699 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 16700 // Don't care about who enables an app. 16701 callingPackage = null; 16702 } 16703 pkgSetting.setEnabled(newState, userId, callingPackage); 16704 // pkgSetting.pkg.mSetEnabled = newState; 16705 } else { 16706 // We're dealing with a component level state change 16707 // First, verify that this is a valid class name. 16708 PackageParser.Package pkg = pkgSetting.pkg; 16709 if (pkg == null || !pkg.hasComponentClassName(className)) { 16710 if (pkg != null && 16711 pkg.applicationInfo.targetSdkVersion >= 16712 Build.VERSION_CODES.JELLY_BEAN) { 16713 throw new IllegalArgumentException("Component class " + className 16714 + " does not exist in " + packageName); 16715 } else { 16716 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 16717 + className + " does not exist in " + packageName); 16718 } 16719 } 16720 switch (newState) { 16721 case COMPONENT_ENABLED_STATE_ENABLED: 16722 if (!pkgSetting.enableComponentLPw(className, userId)) { 16723 return; 16724 } 16725 break; 16726 case COMPONENT_ENABLED_STATE_DISABLED: 16727 if (!pkgSetting.disableComponentLPw(className, userId)) { 16728 return; 16729 } 16730 break; 16731 case COMPONENT_ENABLED_STATE_DEFAULT: 16732 if (!pkgSetting.restoreComponentLPw(className, userId)) { 16733 return; 16734 } 16735 break; 16736 default: 16737 Slog.e(TAG, "Invalid new component state: " + newState); 16738 return; 16739 } 16740 } 16741 scheduleWritePackageRestrictionsLocked(userId); 16742 components = mPendingBroadcasts.get(userId, packageName); 16743 final boolean newPackage = components == null; 16744 if (newPackage) { 16745 components = new ArrayList<String>(); 16746 } 16747 if (!components.contains(componentName)) { 16748 components.add(componentName); 16749 } 16750 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 16751 sendNow = true; 16752 // Purge entry from pending broadcast list if another one exists already 16753 // since we are sending one right away. 16754 mPendingBroadcasts.remove(userId, packageName); 16755 } else { 16756 if (newPackage) { 16757 mPendingBroadcasts.put(userId, packageName, components); 16758 } 16759 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 16760 // Schedule a message 16761 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 16762 } 16763 } 16764 } 16765 16766 long callingId = Binder.clearCallingIdentity(); 16767 try { 16768 if (sendNow) { 16769 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 16770 sendPackageChangedBroadcast(packageName, 16771 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 16772 } 16773 } finally { 16774 Binder.restoreCallingIdentity(callingId); 16775 } 16776 } 16777 16778 @Override 16779 public void flushPackageRestrictionsAsUser(int userId) { 16780 if (!sUserManager.exists(userId)) { 16781 return; 16782 } 16783 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 16784 false /* checkShell */, "flushPackageRestrictions"); 16785 synchronized (mPackages) { 16786 mSettings.writePackageRestrictionsLPr(userId); 16787 mDirtyUsers.remove(userId); 16788 if (mDirtyUsers.isEmpty()) { 16789 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 16790 } 16791 } 16792 } 16793 16794 private void sendPackageChangedBroadcast(String packageName, 16795 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 16796 if (DEBUG_INSTALL) 16797 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 16798 + componentNames); 16799 Bundle extras = new Bundle(4); 16800 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 16801 String nameList[] = new String[componentNames.size()]; 16802 componentNames.toArray(nameList); 16803 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 16804 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 16805 extras.putInt(Intent.EXTRA_UID, packageUid); 16806 // If this is not reporting a change of the overall package, then only send it 16807 // to registered receivers. We don't want to launch a swath of apps for every 16808 // little component state change. 16809 final int flags = !componentNames.contains(packageName) 16810 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 16811 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 16812 new int[] {UserHandle.getUserId(packageUid)}); 16813 } 16814 16815 @Override 16816 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 16817 if (!sUserManager.exists(userId)) return; 16818 final int uid = Binder.getCallingUid(); 16819 final int permission = mContext.checkCallingOrSelfPermission( 16820 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16821 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16822 enforceCrossUserPermission(uid, userId, 16823 true /* requireFullPermission */, true /* checkShell */, "stop package"); 16824 // writer 16825 synchronized (mPackages) { 16826 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 16827 allowedByPermission, uid, userId)) { 16828 scheduleWritePackageRestrictionsLocked(userId); 16829 } 16830 } 16831 } 16832 16833 @Override 16834 public String getInstallerPackageName(String packageName) { 16835 // reader 16836 synchronized (mPackages) { 16837 return mSettings.getInstallerPackageNameLPr(packageName); 16838 } 16839 } 16840 16841 @Override 16842 public int getApplicationEnabledSetting(String packageName, int userId) { 16843 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16844 int uid = Binder.getCallingUid(); 16845 enforceCrossUserPermission(uid, userId, 16846 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 16847 // reader 16848 synchronized (mPackages) { 16849 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 16850 } 16851 } 16852 16853 @Override 16854 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 16855 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16856 int uid = Binder.getCallingUid(); 16857 enforceCrossUserPermission(uid, userId, 16858 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 16859 // reader 16860 synchronized (mPackages) { 16861 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 16862 } 16863 } 16864 16865 @Override 16866 public void enterSafeMode() { 16867 enforceSystemOrRoot("Only the system can request entering safe mode"); 16868 16869 if (!mSystemReady) { 16870 mSafeMode = true; 16871 } 16872 } 16873 16874 @Override 16875 public void systemReady() { 16876 mSystemReady = true; 16877 16878 // Read the compatibilty setting when the system is ready. 16879 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 16880 mContext.getContentResolver(), 16881 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 16882 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 16883 if (DEBUG_SETTINGS) { 16884 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 16885 } 16886 16887 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 16888 16889 synchronized (mPackages) { 16890 // Verify that all of the preferred activity components actually 16891 // exist. It is possible for applications to be updated and at 16892 // that point remove a previously declared activity component that 16893 // had been set as a preferred activity. We try to clean this up 16894 // the next time we encounter that preferred activity, but it is 16895 // possible for the user flow to never be able to return to that 16896 // situation so here we do a sanity check to make sure we haven't 16897 // left any junk around. 16898 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 16899 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16900 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16901 removed.clear(); 16902 for (PreferredActivity pa : pir.filterSet()) { 16903 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 16904 removed.add(pa); 16905 } 16906 } 16907 if (removed.size() > 0) { 16908 for (int r=0; r<removed.size(); r++) { 16909 PreferredActivity pa = removed.get(r); 16910 Slog.w(TAG, "Removing dangling preferred activity: " 16911 + pa.mPref.mComponent); 16912 pir.removeFilter(pa); 16913 } 16914 mSettings.writePackageRestrictionsLPr( 16915 mSettings.mPreferredActivities.keyAt(i)); 16916 } 16917 } 16918 16919 for (int userId : UserManagerService.getInstance().getUserIds()) { 16920 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 16921 grantPermissionsUserIds = ArrayUtils.appendInt( 16922 grantPermissionsUserIds, userId); 16923 } 16924 } 16925 } 16926 sUserManager.systemReady(); 16927 16928 // If we upgraded grant all default permissions before kicking off. 16929 for (int userId : grantPermissionsUserIds) { 16930 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 16931 } 16932 16933 // Kick off any messages waiting for system ready 16934 if (mPostSystemReadyMessages != null) { 16935 for (Message msg : mPostSystemReadyMessages) { 16936 msg.sendToTarget(); 16937 } 16938 mPostSystemReadyMessages = null; 16939 } 16940 16941 // Watch for external volumes that come and go over time 16942 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16943 storage.registerListener(mStorageListener); 16944 16945 mInstallerService.systemReady(); 16946 mPackageDexOptimizer.systemReady(); 16947 16948 MountServiceInternal mountServiceInternal = LocalServices.getService( 16949 MountServiceInternal.class); 16950 mountServiceInternal.addExternalStoragePolicy( 16951 new MountServiceInternal.ExternalStorageMountPolicy() { 16952 @Override 16953 public int getMountMode(int uid, String packageName) { 16954 if (Process.isIsolated(uid)) { 16955 return Zygote.MOUNT_EXTERNAL_NONE; 16956 } 16957 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 16958 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16959 } 16960 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16961 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16962 } 16963 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16964 return Zygote.MOUNT_EXTERNAL_READ; 16965 } 16966 return Zygote.MOUNT_EXTERNAL_WRITE; 16967 } 16968 16969 @Override 16970 public boolean hasExternalStorage(int uid, String packageName) { 16971 return true; 16972 } 16973 }); 16974 } 16975 16976 @Override 16977 public boolean isSafeMode() { 16978 return mSafeMode; 16979 } 16980 16981 @Override 16982 public boolean hasSystemUidErrors() { 16983 return mHasSystemUidErrors; 16984 } 16985 16986 static String arrayToString(int[] array) { 16987 StringBuffer buf = new StringBuffer(128); 16988 buf.append('['); 16989 if (array != null) { 16990 for (int i=0; i<array.length; i++) { 16991 if (i > 0) buf.append(", "); 16992 buf.append(array[i]); 16993 } 16994 } 16995 buf.append(']'); 16996 return buf.toString(); 16997 } 16998 16999 static class DumpState { 17000 public static final int DUMP_LIBS = 1 << 0; 17001 public static final int DUMP_FEATURES = 1 << 1; 17002 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17003 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17004 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17005 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17006 public static final int DUMP_PERMISSIONS = 1 << 6; 17007 public static final int DUMP_PACKAGES = 1 << 7; 17008 public static final int DUMP_SHARED_USERS = 1 << 8; 17009 public static final int DUMP_MESSAGES = 1 << 9; 17010 public static final int DUMP_PROVIDERS = 1 << 10; 17011 public static final int DUMP_VERIFIERS = 1 << 11; 17012 public static final int DUMP_PREFERRED = 1 << 12; 17013 public static final int DUMP_PREFERRED_XML = 1 << 13; 17014 public static final int DUMP_KEYSETS = 1 << 14; 17015 public static final int DUMP_VERSION = 1 << 15; 17016 public static final int DUMP_INSTALLS = 1 << 16; 17017 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17018 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17019 17020 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17021 17022 private int mTypes; 17023 17024 private int mOptions; 17025 17026 private boolean mTitlePrinted; 17027 17028 private SharedUserSetting mSharedUser; 17029 17030 public boolean isDumping(int type) { 17031 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17032 return true; 17033 } 17034 17035 return (mTypes & type) != 0; 17036 } 17037 17038 public void setDump(int type) { 17039 mTypes |= type; 17040 } 17041 17042 public boolean isOptionEnabled(int option) { 17043 return (mOptions & option) != 0; 17044 } 17045 17046 public void setOptionEnabled(int option) { 17047 mOptions |= option; 17048 } 17049 17050 public boolean onTitlePrinted() { 17051 final boolean printed = mTitlePrinted; 17052 mTitlePrinted = true; 17053 return printed; 17054 } 17055 17056 public boolean getTitlePrinted() { 17057 return mTitlePrinted; 17058 } 17059 17060 public void setTitlePrinted(boolean enabled) { 17061 mTitlePrinted = enabled; 17062 } 17063 17064 public SharedUserSetting getSharedUser() { 17065 return mSharedUser; 17066 } 17067 17068 public void setSharedUser(SharedUserSetting user) { 17069 mSharedUser = user; 17070 } 17071 } 17072 17073 @Override 17074 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17075 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17076 (new PackageManagerShellCommand(this)).exec( 17077 this, in, out, err, args, resultReceiver); 17078 } 17079 17080 @Override 17081 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17082 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17083 != PackageManager.PERMISSION_GRANTED) { 17084 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17085 + Binder.getCallingPid() 17086 + ", uid=" + Binder.getCallingUid() 17087 + " without permission " 17088 + android.Manifest.permission.DUMP); 17089 return; 17090 } 17091 17092 DumpState dumpState = new DumpState(); 17093 boolean fullPreferred = false; 17094 boolean checkin = false; 17095 17096 String packageName = null; 17097 ArraySet<String> permissionNames = null; 17098 17099 int opti = 0; 17100 while (opti < args.length) { 17101 String opt = args[opti]; 17102 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17103 break; 17104 } 17105 opti++; 17106 17107 if ("-a".equals(opt)) { 17108 // Right now we only know how to print all. 17109 } else if ("-h".equals(opt)) { 17110 pw.println("Package manager dump options:"); 17111 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17112 pw.println(" --checkin: dump for a checkin"); 17113 pw.println(" -f: print details of intent filters"); 17114 pw.println(" -h: print this help"); 17115 pw.println(" cmd may be one of:"); 17116 pw.println(" l[ibraries]: list known shared libraries"); 17117 pw.println(" f[eatures]: list device features"); 17118 pw.println(" k[eysets]: print known keysets"); 17119 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17120 pw.println(" perm[issions]: dump permissions"); 17121 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17122 pw.println(" pref[erred]: print preferred package settings"); 17123 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17124 pw.println(" prov[iders]: dump content providers"); 17125 pw.println(" p[ackages]: dump installed packages"); 17126 pw.println(" s[hared-users]: dump shared user IDs"); 17127 pw.println(" m[essages]: print collected runtime messages"); 17128 pw.println(" v[erifiers]: print package verifier info"); 17129 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17130 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17131 pw.println(" version: print database version info"); 17132 pw.println(" write: write current settings now"); 17133 pw.println(" installs: details about install sessions"); 17134 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17135 pw.println(" <package.name>: info about given package"); 17136 return; 17137 } else if ("--checkin".equals(opt)) { 17138 checkin = true; 17139 } else if ("-f".equals(opt)) { 17140 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17141 } else { 17142 pw.println("Unknown argument: " + opt + "; use -h for help"); 17143 } 17144 } 17145 17146 // Is the caller requesting to dump a particular piece of data? 17147 if (opti < args.length) { 17148 String cmd = args[opti]; 17149 opti++; 17150 // Is this a package name? 17151 if ("android".equals(cmd) || cmd.contains(".")) { 17152 packageName = cmd; 17153 // When dumping a single package, we always dump all of its 17154 // filter information since the amount of data will be reasonable. 17155 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17156 } else if ("check-permission".equals(cmd)) { 17157 if (opti >= args.length) { 17158 pw.println("Error: check-permission missing permission argument"); 17159 return; 17160 } 17161 String perm = args[opti]; 17162 opti++; 17163 if (opti >= args.length) { 17164 pw.println("Error: check-permission missing package argument"); 17165 return; 17166 } 17167 String pkg = args[opti]; 17168 opti++; 17169 int user = UserHandle.getUserId(Binder.getCallingUid()); 17170 if (opti < args.length) { 17171 try { 17172 user = Integer.parseInt(args[opti]); 17173 } catch (NumberFormatException e) { 17174 pw.println("Error: check-permission user argument is not a number: " 17175 + args[opti]); 17176 return; 17177 } 17178 } 17179 pw.println(checkPermission(perm, pkg, user)); 17180 return; 17181 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17182 dumpState.setDump(DumpState.DUMP_LIBS); 17183 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17184 dumpState.setDump(DumpState.DUMP_FEATURES); 17185 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17186 if (opti >= args.length) { 17187 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17188 | DumpState.DUMP_SERVICE_RESOLVERS 17189 | DumpState.DUMP_RECEIVER_RESOLVERS 17190 | DumpState.DUMP_CONTENT_RESOLVERS); 17191 } else { 17192 while (opti < args.length) { 17193 String name = args[opti]; 17194 if ("a".equals(name) || "activity".equals(name)) { 17195 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17196 } else if ("s".equals(name) || "service".equals(name)) { 17197 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17198 } else if ("r".equals(name) || "receiver".equals(name)) { 17199 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17200 } else if ("c".equals(name) || "content".equals(name)) { 17201 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17202 } else { 17203 pw.println("Error: unknown resolver table type: " + name); 17204 return; 17205 } 17206 opti++; 17207 } 17208 } 17209 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17210 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17211 } else if ("permission".equals(cmd)) { 17212 if (opti >= args.length) { 17213 pw.println("Error: permission requires permission name"); 17214 return; 17215 } 17216 permissionNames = new ArraySet<>(); 17217 while (opti < args.length) { 17218 permissionNames.add(args[opti]); 17219 opti++; 17220 } 17221 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17222 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17223 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17224 dumpState.setDump(DumpState.DUMP_PREFERRED); 17225 } else if ("preferred-xml".equals(cmd)) { 17226 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17227 if (opti < args.length && "--full".equals(args[opti])) { 17228 fullPreferred = true; 17229 opti++; 17230 } 17231 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17232 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17233 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17234 dumpState.setDump(DumpState.DUMP_PACKAGES); 17235 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17236 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17237 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17238 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17239 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17240 dumpState.setDump(DumpState.DUMP_MESSAGES); 17241 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17242 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17243 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17244 || "intent-filter-verifiers".equals(cmd)) { 17245 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17246 } else if ("version".equals(cmd)) { 17247 dumpState.setDump(DumpState.DUMP_VERSION); 17248 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17249 dumpState.setDump(DumpState.DUMP_KEYSETS); 17250 } else if ("installs".equals(cmd)) { 17251 dumpState.setDump(DumpState.DUMP_INSTALLS); 17252 } else if ("write".equals(cmd)) { 17253 synchronized (mPackages) { 17254 mSettings.writeLPr(); 17255 pw.println("Settings written."); 17256 return; 17257 } 17258 } 17259 } 17260 17261 if (checkin) { 17262 pw.println("vers,1"); 17263 } 17264 17265 // reader 17266 synchronized (mPackages) { 17267 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17268 if (!checkin) { 17269 if (dumpState.onTitlePrinted()) 17270 pw.println(); 17271 pw.println("Database versions:"); 17272 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17273 } 17274 } 17275 17276 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17277 if (!checkin) { 17278 if (dumpState.onTitlePrinted()) 17279 pw.println(); 17280 pw.println("Verifiers:"); 17281 pw.print(" Required: "); 17282 pw.print(mRequiredVerifierPackage); 17283 pw.print(" (uid="); 17284 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17285 UserHandle.USER_SYSTEM)); 17286 pw.println(")"); 17287 } else if (mRequiredVerifierPackage != null) { 17288 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17289 pw.print(","); 17290 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17291 UserHandle.USER_SYSTEM)); 17292 } 17293 } 17294 17295 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17296 packageName == null) { 17297 if (mIntentFilterVerifierComponent != null) { 17298 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17299 if (!checkin) { 17300 if (dumpState.onTitlePrinted()) 17301 pw.println(); 17302 pw.println("Intent Filter Verifier:"); 17303 pw.print(" Using: "); 17304 pw.print(verifierPackageName); 17305 pw.print(" (uid="); 17306 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17307 UserHandle.USER_SYSTEM)); 17308 pw.println(")"); 17309 } else if (verifierPackageName != null) { 17310 pw.print("ifv,"); pw.print(verifierPackageName); 17311 pw.print(","); 17312 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17313 UserHandle.USER_SYSTEM)); 17314 } 17315 } else { 17316 pw.println(); 17317 pw.println("No Intent Filter Verifier available!"); 17318 } 17319 } 17320 17321 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17322 boolean printedHeader = false; 17323 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17324 while (it.hasNext()) { 17325 String name = it.next(); 17326 SharedLibraryEntry ent = mSharedLibraries.get(name); 17327 if (!checkin) { 17328 if (!printedHeader) { 17329 if (dumpState.onTitlePrinted()) 17330 pw.println(); 17331 pw.println("Libraries:"); 17332 printedHeader = true; 17333 } 17334 pw.print(" "); 17335 } else { 17336 pw.print("lib,"); 17337 } 17338 pw.print(name); 17339 if (!checkin) { 17340 pw.print(" -> "); 17341 } 17342 if (ent.path != null) { 17343 if (!checkin) { 17344 pw.print("(jar) "); 17345 pw.print(ent.path); 17346 } else { 17347 pw.print(",jar,"); 17348 pw.print(ent.path); 17349 } 17350 } else { 17351 if (!checkin) { 17352 pw.print("(apk) "); 17353 pw.print(ent.apk); 17354 } else { 17355 pw.print(",apk,"); 17356 pw.print(ent.apk); 17357 } 17358 } 17359 pw.println(); 17360 } 17361 } 17362 17363 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17364 if (dumpState.onTitlePrinted()) 17365 pw.println(); 17366 if (!checkin) { 17367 pw.println("Features:"); 17368 } 17369 17370 for (FeatureInfo feat : mAvailableFeatures.values()) { 17371 if (checkin) { 17372 pw.print("feat,"); 17373 pw.print(feat.name); 17374 pw.print(","); 17375 pw.println(feat.version); 17376 } else { 17377 pw.print(" "); 17378 pw.print(feat.name); 17379 if (feat.version > 0) { 17380 pw.print(" version="); 17381 pw.print(feat.version); 17382 } 17383 pw.println(); 17384 } 17385 } 17386 } 17387 17388 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17389 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17390 : "Activity Resolver Table:", " ", packageName, 17391 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17392 dumpState.setTitlePrinted(true); 17393 } 17394 } 17395 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17396 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17397 : "Receiver Resolver Table:", " ", packageName, 17398 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17399 dumpState.setTitlePrinted(true); 17400 } 17401 } 17402 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17403 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17404 : "Service Resolver Table:", " ", packageName, 17405 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17406 dumpState.setTitlePrinted(true); 17407 } 17408 } 17409 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17410 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17411 : "Provider Resolver Table:", " ", packageName, 17412 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17413 dumpState.setTitlePrinted(true); 17414 } 17415 } 17416 17417 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17418 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17419 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17420 int user = mSettings.mPreferredActivities.keyAt(i); 17421 if (pir.dump(pw, 17422 dumpState.getTitlePrinted() 17423 ? "\nPreferred Activities User " + user + ":" 17424 : "Preferred Activities User " + user + ":", " ", 17425 packageName, true, false)) { 17426 dumpState.setTitlePrinted(true); 17427 } 17428 } 17429 } 17430 17431 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17432 pw.flush(); 17433 FileOutputStream fout = new FileOutputStream(fd); 17434 BufferedOutputStream str = new BufferedOutputStream(fout); 17435 XmlSerializer serializer = new FastXmlSerializer(); 17436 try { 17437 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17438 serializer.startDocument(null, true); 17439 serializer.setFeature( 17440 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17441 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17442 serializer.endDocument(); 17443 serializer.flush(); 17444 } catch (IllegalArgumentException e) { 17445 pw.println("Failed writing: " + e); 17446 } catch (IllegalStateException e) { 17447 pw.println("Failed writing: " + e); 17448 } catch (IOException e) { 17449 pw.println("Failed writing: " + e); 17450 } 17451 } 17452 17453 if (!checkin 17454 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17455 && packageName == null) { 17456 pw.println(); 17457 int count = mSettings.mPackages.size(); 17458 if (count == 0) { 17459 pw.println("No applications!"); 17460 pw.println(); 17461 } else { 17462 final String prefix = " "; 17463 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17464 if (allPackageSettings.size() == 0) { 17465 pw.println("No domain preferred apps!"); 17466 pw.println(); 17467 } else { 17468 pw.println("App verification status:"); 17469 pw.println(); 17470 count = 0; 17471 for (PackageSetting ps : allPackageSettings) { 17472 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17473 if (ivi == null || ivi.getPackageName() == null) continue; 17474 pw.println(prefix + "Package: " + ivi.getPackageName()); 17475 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17476 pw.println(prefix + "Status: " + ivi.getStatusString()); 17477 pw.println(); 17478 count++; 17479 } 17480 if (count == 0) { 17481 pw.println(prefix + "No app verification established."); 17482 pw.println(); 17483 } 17484 for (int userId : sUserManager.getUserIds()) { 17485 pw.println("App linkages for user " + userId + ":"); 17486 pw.println(); 17487 count = 0; 17488 for (PackageSetting ps : allPackageSettings) { 17489 final long status = ps.getDomainVerificationStatusForUser(userId); 17490 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17491 continue; 17492 } 17493 pw.println(prefix + "Package: " + ps.name); 17494 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17495 String statusStr = IntentFilterVerificationInfo. 17496 getStatusStringFromValue(status); 17497 pw.println(prefix + "Status: " + statusStr); 17498 pw.println(); 17499 count++; 17500 } 17501 if (count == 0) { 17502 pw.println(prefix + "No configured app linkages."); 17503 pw.println(); 17504 } 17505 } 17506 } 17507 } 17508 } 17509 17510 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17511 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17512 if (packageName == null && permissionNames == null) { 17513 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17514 if (iperm == 0) { 17515 if (dumpState.onTitlePrinted()) 17516 pw.println(); 17517 pw.println("AppOp Permissions:"); 17518 } 17519 pw.print(" AppOp Permission "); 17520 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17521 pw.println(":"); 17522 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17523 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17524 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17525 } 17526 } 17527 } 17528 } 17529 17530 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17531 boolean printedSomething = false; 17532 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17533 if (packageName != null && !packageName.equals(p.info.packageName)) { 17534 continue; 17535 } 17536 if (!printedSomething) { 17537 if (dumpState.onTitlePrinted()) 17538 pw.println(); 17539 pw.println("Registered ContentProviders:"); 17540 printedSomething = true; 17541 } 17542 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17543 pw.print(" "); pw.println(p.toString()); 17544 } 17545 printedSomething = false; 17546 for (Map.Entry<String, PackageParser.Provider> entry : 17547 mProvidersByAuthority.entrySet()) { 17548 PackageParser.Provider p = entry.getValue(); 17549 if (packageName != null && !packageName.equals(p.info.packageName)) { 17550 continue; 17551 } 17552 if (!printedSomething) { 17553 if (dumpState.onTitlePrinted()) 17554 pw.println(); 17555 pw.println("ContentProvider Authorities:"); 17556 printedSomething = true; 17557 } 17558 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17559 pw.print(" "); pw.println(p.toString()); 17560 if (p.info != null && p.info.applicationInfo != null) { 17561 final String appInfo = p.info.applicationInfo.toString(); 17562 pw.print(" applicationInfo="); pw.println(appInfo); 17563 } 17564 } 17565 } 17566 17567 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17568 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17569 } 17570 17571 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17572 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17573 } 17574 17575 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17576 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17577 } 17578 17579 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17580 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17581 } 17582 17583 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17584 // XXX should handle packageName != null by dumping only install data that 17585 // the given package is involved with. 17586 if (dumpState.onTitlePrinted()) pw.println(); 17587 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17588 } 17589 17590 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17591 if (dumpState.onTitlePrinted()) pw.println(); 17592 mSettings.dumpReadMessagesLPr(pw, dumpState); 17593 17594 pw.println(); 17595 pw.println("Package warning messages:"); 17596 BufferedReader in = null; 17597 String line = null; 17598 try { 17599 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17600 while ((line = in.readLine()) != null) { 17601 if (line.contains("ignored: updated version")) continue; 17602 pw.println(line); 17603 } 17604 } catch (IOException ignored) { 17605 } finally { 17606 IoUtils.closeQuietly(in); 17607 } 17608 } 17609 17610 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 17611 BufferedReader in = null; 17612 String line = null; 17613 try { 17614 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17615 while ((line = in.readLine()) != null) { 17616 if (line.contains("ignored: updated version")) continue; 17617 pw.print("msg,"); 17618 pw.println(line); 17619 } 17620 } catch (IOException ignored) { 17621 } finally { 17622 IoUtils.closeQuietly(in); 17623 } 17624 } 17625 } 17626 } 17627 17628 private String dumpDomainString(String packageName) { 17629 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 17630 .getList(); 17631 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 17632 17633 ArraySet<String> result = new ArraySet<>(); 17634 if (iviList.size() > 0) { 17635 for (IntentFilterVerificationInfo ivi : iviList) { 17636 for (String host : ivi.getDomains()) { 17637 result.add(host); 17638 } 17639 } 17640 } 17641 if (filters != null && filters.size() > 0) { 17642 for (IntentFilter filter : filters) { 17643 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 17644 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 17645 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 17646 result.addAll(filter.getHostsList()); 17647 } 17648 } 17649 } 17650 17651 StringBuilder sb = new StringBuilder(result.size() * 16); 17652 for (String domain : result) { 17653 if (sb.length() > 0) sb.append(" "); 17654 sb.append(domain); 17655 } 17656 return sb.toString(); 17657 } 17658 17659 // ------- apps on sdcard specific code ------- 17660 static final boolean DEBUG_SD_INSTALL = false; 17661 17662 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 17663 17664 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 17665 17666 private boolean mMediaMounted = false; 17667 17668 static String getEncryptKey() { 17669 try { 17670 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 17671 SD_ENCRYPTION_KEYSTORE_NAME); 17672 if (sdEncKey == null) { 17673 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 17674 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 17675 if (sdEncKey == null) { 17676 Slog.e(TAG, "Failed to create encryption keys"); 17677 return null; 17678 } 17679 } 17680 return sdEncKey; 17681 } catch (NoSuchAlgorithmException nsae) { 17682 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 17683 return null; 17684 } catch (IOException ioe) { 17685 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 17686 return null; 17687 } 17688 } 17689 17690 /* 17691 * Update media status on PackageManager. 17692 */ 17693 @Override 17694 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 17695 int callingUid = Binder.getCallingUid(); 17696 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 17697 throw new SecurityException("Media status can only be updated by the system"); 17698 } 17699 // reader; this apparently protects mMediaMounted, but should probably 17700 // be a different lock in that case. 17701 synchronized (mPackages) { 17702 Log.i(TAG, "Updating external media status from " 17703 + (mMediaMounted ? "mounted" : "unmounted") + " to " 17704 + (mediaStatus ? "mounted" : "unmounted")); 17705 if (DEBUG_SD_INSTALL) 17706 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 17707 + ", mMediaMounted=" + mMediaMounted); 17708 if (mediaStatus == mMediaMounted) { 17709 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 17710 : 0, -1); 17711 mHandler.sendMessage(msg); 17712 return; 17713 } 17714 mMediaMounted = mediaStatus; 17715 } 17716 // Queue up an async operation since the package installation may take a 17717 // little while. 17718 mHandler.post(new Runnable() { 17719 public void run() { 17720 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 17721 } 17722 }); 17723 } 17724 17725 /** 17726 * Called by MountService when the initial ASECs to scan are available. 17727 * Should block until all the ASEC containers are finished being scanned. 17728 */ 17729 public void scanAvailableAsecs() { 17730 updateExternalMediaStatusInner(true, false, false); 17731 } 17732 17733 /* 17734 * Collect information of applications on external media, map them against 17735 * existing containers and update information based on current mount status. 17736 * Please note that we always have to report status if reportStatus has been 17737 * set to true especially when unloading packages. 17738 */ 17739 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 17740 boolean externalStorage) { 17741 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 17742 int[] uidArr = EmptyArray.INT; 17743 17744 final String[] list = PackageHelper.getSecureContainerList(); 17745 if (ArrayUtils.isEmpty(list)) { 17746 Log.i(TAG, "No secure containers found"); 17747 } else { 17748 // Process list of secure containers and categorize them 17749 // as active or stale based on their package internal state. 17750 17751 // reader 17752 synchronized (mPackages) { 17753 for (String cid : list) { 17754 // Leave stages untouched for now; installer service owns them 17755 if (PackageInstallerService.isStageName(cid)) continue; 17756 17757 if (DEBUG_SD_INSTALL) 17758 Log.i(TAG, "Processing container " + cid); 17759 String pkgName = getAsecPackageName(cid); 17760 if (pkgName == null) { 17761 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 17762 continue; 17763 } 17764 if (DEBUG_SD_INSTALL) 17765 Log.i(TAG, "Looking for pkg : " + pkgName); 17766 17767 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17768 if (ps == null) { 17769 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 17770 continue; 17771 } 17772 17773 /* 17774 * Skip packages that are not external if we're unmounting 17775 * external storage. 17776 */ 17777 if (externalStorage && !isMounted && !isExternal(ps)) { 17778 continue; 17779 } 17780 17781 final AsecInstallArgs args = new AsecInstallArgs(cid, 17782 getAppDexInstructionSets(ps), ps.isForwardLocked()); 17783 // The package status is changed only if the code path 17784 // matches between settings and the container id. 17785 if (ps.codePathString != null 17786 && ps.codePathString.startsWith(args.getCodePath())) { 17787 if (DEBUG_SD_INSTALL) { 17788 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 17789 + " at code path: " + ps.codePathString); 17790 } 17791 17792 // We do have a valid package installed on sdcard 17793 processCids.put(args, ps.codePathString); 17794 final int uid = ps.appId; 17795 if (uid != -1) { 17796 uidArr = ArrayUtils.appendInt(uidArr, uid); 17797 } 17798 } else { 17799 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 17800 + ps.codePathString); 17801 } 17802 } 17803 } 17804 17805 Arrays.sort(uidArr); 17806 } 17807 17808 // Process packages with valid entries. 17809 if (isMounted) { 17810 if (DEBUG_SD_INSTALL) 17811 Log.i(TAG, "Loading packages"); 17812 loadMediaPackages(processCids, uidArr, externalStorage); 17813 startCleaningPackages(); 17814 mInstallerService.onSecureContainersAvailable(); 17815 } else { 17816 if (DEBUG_SD_INSTALL) 17817 Log.i(TAG, "Unloading packages"); 17818 unloadMediaPackages(processCids, uidArr, reportStatus); 17819 } 17820 } 17821 17822 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17823 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 17824 final int size = infos.size(); 17825 final String[] packageNames = new String[size]; 17826 final int[] packageUids = new int[size]; 17827 for (int i = 0; i < size; i++) { 17828 final ApplicationInfo info = infos.get(i); 17829 packageNames[i] = info.packageName; 17830 packageUids[i] = info.uid; 17831 } 17832 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 17833 finishedReceiver); 17834 } 17835 17836 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17837 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17838 sendResourcesChangedBroadcast(mediaStatus, replacing, 17839 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 17840 } 17841 17842 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17843 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17844 int size = pkgList.length; 17845 if (size > 0) { 17846 // Send broadcasts here 17847 Bundle extras = new Bundle(); 17848 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 17849 if (uidArr != null) { 17850 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 17851 } 17852 if (replacing) { 17853 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 17854 } 17855 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 17856 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 17857 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 17858 } 17859 } 17860 17861 /* 17862 * Look at potentially valid container ids from processCids If package 17863 * information doesn't match the one on record or package scanning fails, 17864 * the cid is added to list of removeCids. We currently don't delete stale 17865 * containers. 17866 */ 17867 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 17868 boolean externalStorage) { 17869 ArrayList<String> pkgList = new ArrayList<String>(); 17870 Set<AsecInstallArgs> keys = processCids.keySet(); 17871 17872 for (AsecInstallArgs args : keys) { 17873 String codePath = processCids.get(args); 17874 if (DEBUG_SD_INSTALL) 17875 Log.i(TAG, "Loading container : " + args.cid); 17876 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 17877 try { 17878 // Make sure there are no container errors first. 17879 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 17880 Slog.e(TAG, "Failed to mount cid : " + args.cid 17881 + " when installing from sdcard"); 17882 continue; 17883 } 17884 // Check code path here. 17885 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 17886 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 17887 + " does not match one in settings " + codePath); 17888 continue; 17889 } 17890 // Parse package 17891 int parseFlags = mDefParseFlags; 17892 if (args.isExternalAsec()) { 17893 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 17894 } 17895 if (args.isFwdLocked()) { 17896 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 17897 } 17898 17899 synchronized (mInstallLock) { 17900 PackageParser.Package pkg = null; 17901 try { 17902 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 17903 } catch (PackageManagerException e) { 17904 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 17905 } 17906 // Scan the package 17907 if (pkg != null) { 17908 /* 17909 * TODO why is the lock being held? doPostInstall is 17910 * called in other places without the lock. This needs 17911 * to be straightened out. 17912 */ 17913 // writer 17914 synchronized (mPackages) { 17915 retCode = PackageManager.INSTALL_SUCCEEDED; 17916 pkgList.add(pkg.packageName); 17917 // Post process args 17918 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 17919 pkg.applicationInfo.uid); 17920 } 17921 } else { 17922 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 17923 } 17924 } 17925 17926 } finally { 17927 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 17928 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 17929 } 17930 } 17931 } 17932 // writer 17933 synchronized (mPackages) { 17934 // If the platform SDK has changed since the last time we booted, 17935 // we need to re-grant app permission to catch any new ones that 17936 // appear. This is really a hack, and means that apps can in some 17937 // cases get permissions that the user didn't initially explicitly 17938 // allow... it would be nice to have some better way to handle 17939 // this situation. 17940 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 17941 : mSettings.getInternalVersion(); 17942 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 17943 : StorageManager.UUID_PRIVATE_INTERNAL; 17944 17945 int updateFlags = UPDATE_PERMISSIONS_ALL; 17946 if (ver.sdkVersion != mSdkVersion) { 17947 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17948 + mSdkVersion + "; regranting permissions for external"); 17949 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17950 } 17951 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17952 17953 // Yay, everything is now upgraded 17954 ver.forceCurrent(); 17955 17956 // can downgrade to reader 17957 // Persist settings 17958 mSettings.writeLPr(); 17959 } 17960 // Send a broadcast to let everyone know we are done processing 17961 if (pkgList.size() > 0) { 17962 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 17963 } 17964 } 17965 17966 /* 17967 * Utility method to unload a list of specified containers 17968 */ 17969 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 17970 // Just unmount all valid containers. 17971 for (AsecInstallArgs arg : cidArgs) { 17972 synchronized (mInstallLock) { 17973 arg.doPostDeleteLI(false); 17974 } 17975 } 17976 } 17977 17978 /* 17979 * Unload packages mounted on external media. This involves deleting package 17980 * data from internal structures, sending broadcasts about disabled packages, 17981 * gc'ing to free up references, unmounting all secure containers 17982 * corresponding to packages on external media, and posting a 17983 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 17984 * that we always have to post this message if status has been requested no 17985 * matter what. 17986 */ 17987 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 17988 final boolean reportStatus) { 17989 if (DEBUG_SD_INSTALL) 17990 Log.i(TAG, "unloading media packages"); 17991 ArrayList<String> pkgList = new ArrayList<String>(); 17992 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 17993 final Set<AsecInstallArgs> keys = processCids.keySet(); 17994 for (AsecInstallArgs args : keys) { 17995 String pkgName = args.getPackageName(); 17996 if (DEBUG_SD_INSTALL) 17997 Log.i(TAG, "Trying to unload pkg : " + pkgName); 17998 // Delete package internally 17999 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18000 synchronized (mInstallLock) { 18001 boolean res = deletePackageLI(pkgName, null, false, null, 18002 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 18003 if (res) { 18004 pkgList.add(pkgName); 18005 } else { 18006 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18007 failedList.add(args); 18008 } 18009 } 18010 } 18011 18012 // reader 18013 synchronized (mPackages) { 18014 // We didn't update the settings after removing each package; 18015 // write them now for all packages. 18016 mSettings.writeLPr(); 18017 } 18018 18019 // We have to absolutely send UPDATED_MEDIA_STATUS only 18020 // after confirming that all the receivers processed the ordered 18021 // broadcast when packages get disabled, force a gc to clean things up. 18022 // and unload all the containers. 18023 if (pkgList.size() > 0) { 18024 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18025 new IIntentReceiver.Stub() { 18026 public void performReceive(Intent intent, int resultCode, String data, 18027 Bundle extras, boolean ordered, boolean sticky, 18028 int sendingUser) throws RemoteException { 18029 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18030 reportStatus ? 1 : 0, 1, keys); 18031 mHandler.sendMessage(msg); 18032 } 18033 }); 18034 } else { 18035 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18036 keys); 18037 mHandler.sendMessage(msg); 18038 } 18039 } 18040 18041 private void loadPrivatePackages(final VolumeInfo vol) { 18042 mHandler.post(new Runnable() { 18043 @Override 18044 public void run() { 18045 loadPrivatePackagesInner(vol); 18046 } 18047 }); 18048 } 18049 18050 private void loadPrivatePackagesInner(VolumeInfo vol) { 18051 final String volumeUuid = vol.fsUuid; 18052 if (TextUtils.isEmpty(volumeUuid)) { 18053 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18054 return; 18055 } 18056 18057 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18058 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18059 18060 final VersionInfo ver; 18061 final List<PackageSetting> packages; 18062 synchronized (mPackages) { 18063 ver = mSettings.findOrCreateVersion(volumeUuid); 18064 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18065 } 18066 18067 // TODO: introduce a new concept similar to "frozen" to prevent these 18068 // apps from being launched until after data has been fully reconciled 18069 for (PackageSetting ps : packages) { 18070 synchronized (mInstallLock) { 18071 final PackageParser.Package pkg; 18072 try { 18073 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18074 loaded.add(pkg.applicationInfo); 18075 18076 } catch (PackageManagerException e) { 18077 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18078 } 18079 18080 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18081 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 18082 } 18083 } 18084 } 18085 18086 // Reconcile app data for all started/unlocked users 18087 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18088 final UserManager um = mContext.getSystemService(UserManager.class); 18089 for (UserInfo user : um.getUsers()) { 18090 final int flags; 18091 if (um.isUserUnlocked(user.id)) { 18092 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18093 } else if (um.isUserRunning(user.id)) { 18094 flags = StorageManager.FLAG_STORAGE_DE; 18095 } else { 18096 continue; 18097 } 18098 18099 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18100 reconcileAppsData(volumeUuid, user.id, flags); 18101 } 18102 18103 synchronized (mPackages) { 18104 int updateFlags = UPDATE_PERMISSIONS_ALL; 18105 if (ver.sdkVersion != mSdkVersion) { 18106 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18107 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18108 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18109 } 18110 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18111 18112 // Yay, everything is now upgraded 18113 ver.forceCurrent(); 18114 18115 mSettings.writeLPr(); 18116 } 18117 18118 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18119 sendResourcesChangedBroadcast(true, false, loaded, null); 18120 } 18121 18122 private void unloadPrivatePackages(final VolumeInfo vol) { 18123 mHandler.post(new Runnable() { 18124 @Override 18125 public void run() { 18126 unloadPrivatePackagesInner(vol); 18127 } 18128 }); 18129 } 18130 18131 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18132 final String volumeUuid = vol.fsUuid; 18133 if (TextUtils.isEmpty(volumeUuid)) { 18134 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18135 return; 18136 } 18137 18138 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18139 synchronized (mInstallLock) { 18140 synchronized (mPackages) { 18141 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18142 for (PackageSetting ps : packages) { 18143 if (ps.pkg == null) continue; 18144 18145 final ApplicationInfo info = ps.pkg.applicationInfo; 18146 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18147 if (deletePackageLI(ps.name, null, false, null, 18148 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 18149 unloaded.add(info); 18150 } else { 18151 Slog.w(TAG, "Failed to unload " + ps.codePath); 18152 } 18153 } 18154 18155 mSettings.writeLPr(); 18156 } 18157 } 18158 18159 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18160 sendResourcesChangedBroadcast(false, false, unloaded, null); 18161 } 18162 18163 /** 18164 * Examine all users present on given mounted volume, and destroy data 18165 * belonging to users that are no longer valid, or whose user ID has been 18166 * recycled. 18167 */ 18168 private void reconcileUsers(String volumeUuid) { 18169 // TODO: also reconcile DE directories 18170 final File[] files = FileUtils 18171 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 18172 for (File file : files) { 18173 if (!file.isDirectory()) continue; 18174 18175 final int userId; 18176 final UserInfo info; 18177 try { 18178 userId = Integer.parseInt(file.getName()); 18179 info = sUserManager.getUserInfo(userId); 18180 } catch (NumberFormatException e) { 18181 Slog.w(TAG, "Invalid user directory " + file); 18182 continue; 18183 } 18184 18185 boolean destroyUser = false; 18186 if (info == null) { 18187 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18188 + " because no matching user was found"); 18189 destroyUser = true; 18190 } else { 18191 try { 18192 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18193 } catch (IOException e) { 18194 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18195 + " because we failed to enforce serial number: " + e); 18196 destroyUser = true; 18197 } 18198 } 18199 18200 if (destroyUser) { 18201 synchronized (mInstallLock) { 18202 try { 18203 mInstaller.removeUserDataDirs(volumeUuid, userId); 18204 } catch (InstallerException e) { 18205 Slog.w(TAG, "Failed to clean up user dirs", e); 18206 } 18207 } 18208 } 18209 } 18210 } 18211 18212 private void assertPackageKnown(String volumeUuid, String packageName) 18213 throws PackageManagerException { 18214 synchronized (mPackages) { 18215 final PackageSetting ps = mSettings.mPackages.get(packageName); 18216 if (ps == null) { 18217 throw new PackageManagerException("Package " + packageName + " is unknown"); 18218 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18219 throw new PackageManagerException( 18220 "Package " + packageName + " found on unknown volume " + volumeUuid 18221 + "; expected volume " + ps.volumeUuid); 18222 } 18223 } 18224 } 18225 18226 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18227 throws PackageManagerException { 18228 synchronized (mPackages) { 18229 final PackageSetting ps = mSettings.mPackages.get(packageName); 18230 if (ps == null) { 18231 throw new PackageManagerException("Package " + packageName + " is unknown"); 18232 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18233 throw new PackageManagerException( 18234 "Package " + packageName + " found on unknown volume " + volumeUuid 18235 + "; expected volume " + ps.volumeUuid); 18236 } else if (!ps.getInstalled(userId)) { 18237 throw new PackageManagerException( 18238 "Package " + packageName + " not installed for user " + userId); 18239 } 18240 } 18241 } 18242 18243 /** 18244 * Examine all apps present on given mounted volume, and destroy apps that 18245 * aren't expected, either due to uninstallation or reinstallation on 18246 * another volume. 18247 */ 18248 private void reconcileApps(String volumeUuid) { 18249 final File[] files = FileUtils 18250 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18251 for (File file : files) { 18252 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18253 && !PackageInstallerService.isStageName(file.getName()); 18254 if (!isPackage) { 18255 // Ignore entries which are not packages 18256 continue; 18257 } 18258 18259 try { 18260 final PackageLite pkg = PackageParser.parsePackageLite(file, 18261 PackageParser.PARSE_MUST_BE_APK); 18262 assertPackageKnown(volumeUuid, pkg.packageName); 18263 18264 } catch (PackageParserException | PackageManagerException e) { 18265 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18266 synchronized (mInstallLock) { 18267 removeCodePathLI(file); 18268 } 18269 } 18270 } 18271 } 18272 18273 /** 18274 * Reconcile all app data for the given user. 18275 * <p> 18276 * Verifies that directories exist and that ownership and labeling is 18277 * correct for all installed apps on all mounted volumes. 18278 */ 18279 void reconcileAppsData(int userId, int flags) { 18280 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18281 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18282 final String volumeUuid = vol.getFsUuid(); 18283 reconcileAppsData(volumeUuid, userId, flags); 18284 } 18285 } 18286 18287 /** 18288 * Reconcile all app data on given mounted volume. 18289 * <p> 18290 * Destroys app data that isn't expected, either due to uninstallation or 18291 * reinstallation on another volume. 18292 * <p> 18293 * Verifies that directories exist and that ownership and labeling is 18294 * correct for all installed apps. 18295 */ 18296 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 18297 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 18298 + Integer.toHexString(flags)); 18299 18300 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 18301 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 18302 18303 boolean restoreconNeeded = false; 18304 18305 // First look for stale data that doesn't belong, and check if things 18306 // have changed since we did our last restorecon 18307 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18308 if (!isUserKeyUnlocked(userId)) { 18309 throw new RuntimeException( 18310 "Yikes, someone asked us to reconcile CE storage while " + userId 18311 + " was still locked; this would have caused massive data loss!"); 18312 } 18313 18314 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 18315 18316 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 18317 for (File file : files) { 18318 final String packageName = file.getName(); 18319 try { 18320 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18321 } catch (PackageManagerException e) { 18322 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18323 synchronized (mInstallLock) { 18324 destroyAppDataLI(volumeUuid, packageName, userId, 18325 StorageManager.FLAG_STORAGE_CE); 18326 } 18327 } 18328 } 18329 } 18330 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18331 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 18332 18333 final File[] files = FileUtils.listFilesOrEmpty(deDir); 18334 for (File file : files) { 18335 final String packageName = file.getName(); 18336 try { 18337 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18338 } catch (PackageManagerException e) { 18339 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18340 synchronized (mInstallLock) { 18341 destroyAppDataLI(volumeUuid, packageName, userId, 18342 StorageManager.FLAG_STORAGE_DE); 18343 } 18344 } 18345 } 18346 } 18347 18348 // Ensure that data directories are ready to roll for all packages 18349 // installed for this volume and user 18350 final List<PackageSetting> packages; 18351 synchronized (mPackages) { 18352 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18353 } 18354 int preparedCount = 0; 18355 for (PackageSetting ps : packages) { 18356 final String packageName = ps.name; 18357 if (ps.pkg == null) { 18358 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18359 // TODO: might be due to legacy ASEC apps; we should circle back 18360 // and reconcile again once they're scanned 18361 continue; 18362 } 18363 18364 if (ps.getInstalled(userId)) { 18365 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18366 18367 if (maybeMigrateAppData(volumeUuid, userId, ps.pkg)) { 18368 // We may have just shuffled around app data directories, so 18369 // prepare them one more time 18370 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18371 } 18372 18373 preparedCount++; 18374 } 18375 } 18376 18377 if (restoreconNeeded) { 18378 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18379 SELinuxMMAC.setRestoreconDone(ceDir); 18380 } 18381 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18382 SELinuxMMAC.setRestoreconDone(deDir); 18383 } 18384 } 18385 18386 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 18387 + " packages; restoreconNeeded was " + restoreconNeeded); 18388 } 18389 18390 /** 18391 * Prepare app data for the given app just after it was installed or 18392 * upgraded. This method carefully only touches users that it's installed 18393 * for, and it forces a restorecon to handle any seinfo changes. 18394 * <p> 18395 * Verifies that directories exist and that ownership and labeling is 18396 * correct for all installed apps. If there is an ownership mismatch, it 18397 * will try recovering system apps by wiping data; third-party app data is 18398 * left intact. 18399 * <p> 18400 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 18401 */ 18402 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 18403 prepareAppDataAfterInstallInternal(pkg); 18404 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18405 for (int i = 0; i < childCount; i++) { 18406 PackageParser.Package childPackage = pkg.childPackages.get(i); 18407 prepareAppDataAfterInstallInternal(childPackage); 18408 } 18409 } 18410 18411 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 18412 final PackageSetting ps; 18413 synchronized (mPackages) { 18414 ps = mSettings.mPackages.get(pkg.packageName); 18415 mSettings.writeKernelMappingLPr(ps); 18416 } 18417 18418 final UserManager um = mContext.getSystemService(UserManager.class); 18419 for (UserInfo user : um.getUsers()) { 18420 final int flags; 18421 if (um.isUserUnlocked(user.id)) { 18422 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18423 } else if (um.isUserRunning(user.id)) { 18424 flags = StorageManager.FLAG_STORAGE_DE; 18425 } else { 18426 continue; 18427 } 18428 18429 if (ps.getInstalled(user.id)) { 18430 // Whenever an app changes, force a restorecon of its data 18431 // TODO: when user data is locked, mark that we're still dirty 18432 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 18433 } 18434 } 18435 } 18436 18437 /** 18438 * Prepare app data for the given app. 18439 * <p> 18440 * Verifies that directories exist and that ownership and labeling is 18441 * correct for all installed apps. If there is an ownership mismatch, this 18442 * will try recovering system apps by wiping data; third-party app data is 18443 * left intact. 18444 */ 18445 private void prepareAppData(String volumeUuid, int userId, int flags, 18446 PackageParser.Package pkg, boolean restoreconNeeded) { 18447 if (DEBUG_APP_DATA) { 18448 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18449 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18450 } 18451 18452 final String packageName = pkg.packageName; 18453 final ApplicationInfo app = pkg.applicationInfo; 18454 final int appId = UserHandle.getAppId(app.uid); 18455 18456 Preconditions.checkNotNull(app.seinfo); 18457 18458 synchronized (mInstallLock) { 18459 try { 18460 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18461 appId, app.seinfo, app.targetSdkVersion); 18462 } catch (InstallerException e) { 18463 if (app.isSystemApp()) { 18464 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18465 + ", but trying to recover: " + e); 18466 destroyAppDataLI(volumeUuid, packageName, userId, flags); 18467 try { 18468 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18469 appId, app.seinfo, app.targetSdkVersion); 18470 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18471 } catch (InstallerException e2) { 18472 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18473 } 18474 } else { 18475 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18476 } 18477 } 18478 18479 if (restoreconNeeded) { 18480 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 18481 } 18482 18483 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18484 // Create a native library symlink only if we have native libraries 18485 // and if the native libraries are 32 bit libraries. We do not provide 18486 // this symlink for 64 bit libraries. 18487 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18488 final String nativeLibPath = app.nativeLibraryDir; 18489 try { 18490 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18491 nativeLibPath, userId); 18492 } catch (InstallerException e) { 18493 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18494 } 18495 } 18496 } 18497 } 18498 } 18499 18500 /** 18501 * For system apps on non-FBE devices, this method migrates any existing 18502 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 18503 * requested by the app. 18504 */ 18505 private boolean maybeMigrateAppData(String volumeUuid, int userId, PackageParser.Package pkg) { 18506 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 18507 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 18508 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 18509 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 18510 synchronized (mInstallLock) { 18511 try { 18512 mInstaller.migrateAppData(volumeUuid, pkg.packageName, userId, storageTarget); 18513 } catch (InstallerException e) { 18514 logCriticalInfo(Log.WARN, 18515 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 18516 } 18517 } 18518 return true; 18519 } else { 18520 return false; 18521 } 18522 } 18523 18524 private void unfreezePackage(String packageName) { 18525 synchronized (mPackages) { 18526 final PackageSetting ps = mSettings.mPackages.get(packageName); 18527 if (ps != null) { 18528 ps.frozen = false; 18529 } 18530 } 18531 } 18532 18533 @Override 18534 public int movePackage(final String packageName, final String volumeUuid) { 18535 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18536 18537 final int moveId = mNextMoveId.getAndIncrement(); 18538 mHandler.post(new Runnable() { 18539 @Override 18540 public void run() { 18541 try { 18542 movePackageInternal(packageName, volumeUuid, moveId); 18543 } catch (PackageManagerException e) { 18544 Slog.w(TAG, "Failed to move " + packageName, e); 18545 mMoveCallbacks.notifyStatusChanged(moveId, 18546 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18547 } 18548 } 18549 }); 18550 return moveId; 18551 } 18552 18553 private void movePackageInternal(final String packageName, final String volumeUuid, 18554 final int moveId) throws PackageManagerException { 18555 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 18556 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18557 final PackageManager pm = mContext.getPackageManager(); 18558 18559 final boolean currentAsec; 18560 final String currentVolumeUuid; 18561 final File codeFile; 18562 final String installerPackageName; 18563 final String packageAbiOverride; 18564 final int appId; 18565 final String seinfo; 18566 final String label; 18567 final int targetSdkVersion; 18568 18569 // reader 18570 synchronized (mPackages) { 18571 final PackageParser.Package pkg = mPackages.get(packageName); 18572 final PackageSetting ps = mSettings.mPackages.get(packageName); 18573 if (pkg == null || ps == null) { 18574 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 18575 } 18576 18577 if (pkg.applicationInfo.isSystemApp()) { 18578 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 18579 "Cannot move system application"); 18580 } 18581 18582 if (pkg.applicationInfo.isExternalAsec()) { 18583 currentAsec = true; 18584 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 18585 } else if (pkg.applicationInfo.isForwardLocked()) { 18586 currentAsec = true; 18587 currentVolumeUuid = "forward_locked"; 18588 } else { 18589 currentAsec = false; 18590 currentVolumeUuid = ps.volumeUuid; 18591 18592 final File probe = new File(pkg.codePath); 18593 final File probeOat = new File(probe, "oat"); 18594 if (!probe.isDirectory() || !probeOat.isDirectory()) { 18595 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18596 "Move only supported for modern cluster style installs"); 18597 } 18598 } 18599 18600 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 18601 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18602 "Package already moved to " + volumeUuid); 18603 } 18604 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 18605 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 18606 "Device admin cannot be moved"); 18607 } 18608 18609 if (ps.frozen) { 18610 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 18611 "Failed to move already frozen package"); 18612 } 18613 ps.frozen = true; 18614 18615 codeFile = new File(pkg.codePath); 18616 installerPackageName = ps.installerPackageName; 18617 packageAbiOverride = ps.cpuAbiOverrideString; 18618 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18619 seinfo = pkg.applicationInfo.seinfo; 18620 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 18621 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 18622 } 18623 18624 // Now that we're guarded by frozen state, kill app during move 18625 final long token = Binder.clearCallingIdentity(); 18626 try { 18627 killApplication(packageName, appId, "move pkg"); 18628 } finally { 18629 Binder.restoreCallingIdentity(token); 18630 } 18631 18632 final Bundle extras = new Bundle(); 18633 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 18634 extras.putString(Intent.EXTRA_TITLE, label); 18635 mMoveCallbacks.notifyCreated(moveId, extras); 18636 18637 int installFlags; 18638 final boolean moveCompleteApp; 18639 final File measurePath; 18640 18641 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 18642 installFlags = INSTALL_INTERNAL; 18643 moveCompleteApp = !currentAsec; 18644 measurePath = Environment.getDataAppDirectory(volumeUuid); 18645 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 18646 installFlags = INSTALL_EXTERNAL; 18647 moveCompleteApp = false; 18648 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 18649 } else { 18650 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 18651 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 18652 || !volume.isMountedWritable()) { 18653 unfreezePackage(packageName); 18654 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18655 "Move location not mounted private volume"); 18656 } 18657 18658 Preconditions.checkState(!currentAsec); 18659 18660 installFlags = INSTALL_INTERNAL; 18661 moveCompleteApp = true; 18662 measurePath = Environment.getDataAppDirectory(volumeUuid); 18663 } 18664 18665 final PackageStats stats = new PackageStats(null, -1); 18666 synchronized (mInstaller) { 18667 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 18668 unfreezePackage(packageName); 18669 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18670 "Failed to measure package size"); 18671 } 18672 } 18673 18674 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 18675 + stats.dataSize); 18676 18677 final long startFreeBytes = measurePath.getFreeSpace(); 18678 final long sizeBytes; 18679 if (moveCompleteApp) { 18680 sizeBytes = stats.codeSize + stats.dataSize; 18681 } else { 18682 sizeBytes = stats.codeSize; 18683 } 18684 18685 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 18686 unfreezePackage(packageName); 18687 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18688 "Not enough free space to move"); 18689 } 18690 18691 mMoveCallbacks.notifyStatusChanged(moveId, 10); 18692 18693 final CountDownLatch installedLatch = new CountDownLatch(1); 18694 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 18695 @Override 18696 public void onUserActionRequired(Intent intent) throws RemoteException { 18697 throw new IllegalStateException(); 18698 } 18699 18700 @Override 18701 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 18702 Bundle extras) throws RemoteException { 18703 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 18704 + PackageManager.installStatusToString(returnCode, msg)); 18705 18706 installedLatch.countDown(); 18707 18708 // Regardless of success or failure of the move operation, 18709 // always unfreeze the package 18710 unfreezePackage(packageName); 18711 18712 final int status = PackageManager.installStatusToPublicStatus(returnCode); 18713 switch (status) { 18714 case PackageInstaller.STATUS_SUCCESS: 18715 mMoveCallbacks.notifyStatusChanged(moveId, 18716 PackageManager.MOVE_SUCCEEDED); 18717 break; 18718 case PackageInstaller.STATUS_FAILURE_STORAGE: 18719 mMoveCallbacks.notifyStatusChanged(moveId, 18720 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 18721 break; 18722 default: 18723 mMoveCallbacks.notifyStatusChanged(moveId, 18724 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18725 break; 18726 } 18727 } 18728 }; 18729 18730 final MoveInfo move; 18731 if (moveCompleteApp) { 18732 // Kick off a thread to report progress estimates 18733 new Thread() { 18734 @Override 18735 public void run() { 18736 while (true) { 18737 try { 18738 if (installedLatch.await(1, TimeUnit.SECONDS)) { 18739 break; 18740 } 18741 } catch (InterruptedException ignored) { 18742 } 18743 18744 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 18745 final int progress = 10 + (int) MathUtils.constrain( 18746 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 18747 mMoveCallbacks.notifyStatusChanged(moveId, progress); 18748 } 18749 } 18750 }.start(); 18751 18752 final String dataAppName = codeFile.getName(); 18753 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 18754 dataAppName, appId, seinfo, targetSdkVersion); 18755 } else { 18756 move = null; 18757 } 18758 18759 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 18760 18761 final Message msg = mHandler.obtainMessage(INIT_COPY); 18762 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 18763 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 18764 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 18765 packageAbiOverride, null); 18766 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 18767 msg.obj = params; 18768 18769 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 18770 System.identityHashCode(msg.obj)); 18771 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 18772 System.identityHashCode(msg.obj)); 18773 18774 mHandler.sendMessage(msg); 18775 } 18776 18777 @Override 18778 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 18779 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18780 18781 final int realMoveId = mNextMoveId.getAndIncrement(); 18782 final Bundle extras = new Bundle(); 18783 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 18784 mMoveCallbacks.notifyCreated(realMoveId, extras); 18785 18786 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 18787 @Override 18788 public void onCreated(int moveId, Bundle extras) { 18789 // Ignored 18790 } 18791 18792 @Override 18793 public void onStatusChanged(int moveId, int status, long estMillis) { 18794 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 18795 } 18796 }; 18797 18798 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18799 storage.setPrimaryStorageUuid(volumeUuid, callback); 18800 return realMoveId; 18801 } 18802 18803 @Override 18804 public int getMoveStatus(int moveId) { 18805 mContext.enforceCallingOrSelfPermission( 18806 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18807 return mMoveCallbacks.mLastStatus.get(moveId); 18808 } 18809 18810 @Override 18811 public void registerMoveCallback(IPackageMoveObserver callback) { 18812 mContext.enforceCallingOrSelfPermission( 18813 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18814 mMoveCallbacks.register(callback); 18815 } 18816 18817 @Override 18818 public void unregisterMoveCallback(IPackageMoveObserver callback) { 18819 mContext.enforceCallingOrSelfPermission( 18820 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18821 mMoveCallbacks.unregister(callback); 18822 } 18823 18824 @Override 18825 public boolean setInstallLocation(int loc) { 18826 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 18827 null); 18828 if (getInstallLocation() == loc) { 18829 return true; 18830 } 18831 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 18832 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 18833 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 18834 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 18835 return true; 18836 } 18837 return false; 18838 } 18839 18840 @Override 18841 public int getInstallLocation() { 18842 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 18843 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 18844 PackageHelper.APP_INSTALL_AUTO); 18845 } 18846 18847 /** Called by UserManagerService */ 18848 void cleanUpUser(UserManagerService userManager, int userHandle) { 18849 synchronized (mPackages) { 18850 mDirtyUsers.remove(userHandle); 18851 mUserNeedsBadging.delete(userHandle); 18852 mSettings.removeUserLPw(userHandle); 18853 mPendingBroadcasts.remove(userHandle); 18854 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 18855 } 18856 synchronized (mInstallLock) { 18857 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18858 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18859 final String volumeUuid = vol.getFsUuid(); 18860 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 18861 try { 18862 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 18863 } catch (InstallerException e) { 18864 Slog.w(TAG, "Failed to remove user data", e); 18865 } 18866 } 18867 synchronized (mPackages) { 18868 removeUnusedPackagesLILPw(userManager, userHandle); 18869 } 18870 } 18871 } 18872 18873 /** 18874 * We're removing userHandle and would like to remove any downloaded packages 18875 * that are no longer in use by any other user. 18876 * @param userHandle the user being removed 18877 */ 18878 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 18879 final boolean DEBUG_CLEAN_APKS = false; 18880 int [] users = userManager.getUserIds(); 18881 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 18882 while (psit.hasNext()) { 18883 PackageSetting ps = psit.next(); 18884 if (ps.pkg == null) { 18885 continue; 18886 } 18887 final String packageName = ps.pkg.packageName; 18888 // Skip over if system app 18889 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 18890 continue; 18891 } 18892 if (DEBUG_CLEAN_APKS) { 18893 Slog.i(TAG, "Checking package " + packageName); 18894 } 18895 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 18896 if (keep) { 18897 if (DEBUG_CLEAN_APKS) { 18898 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 18899 } 18900 } else { 18901 for (int i = 0; i < users.length; i++) { 18902 if (users[i] != userHandle && ps.getInstalled(users[i])) { 18903 keep = true; 18904 if (DEBUG_CLEAN_APKS) { 18905 Slog.i(TAG, " Keeping package " + packageName + " for user " 18906 + users[i]); 18907 } 18908 break; 18909 } 18910 } 18911 } 18912 if (!keep) { 18913 if (DEBUG_CLEAN_APKS) { 18914 Slog.i(TAG, " Removing package " + packageName); 18915 } 18916 mHandler.post(new Runnable() { 18917 public void run() { 18918 deletePackageX(packageName, userHandle, 0); 18919 } //end run 18920 }); 18921 } 18922 } 18923 } 18924 18925 /** Called by UserManagerService */ 18926 void createNewUser(int userHandle) { 18927 synchronized (mInstallLock) { 18928 try { 18929 mInstaller.createUserConfig(userHandle); 18930 } catch (InstallerException e) { 18931 Slog.w(TAG, "Failed to create user config", e); 18932 } 18933 mSettings.createNewUserLI(this, mInstaller, userHandle); 18934 } 18935 synchronized (mPackages) { 18936 applyFactoryDefaultBrowserLPw(userHandle); 18937 primeDomainVerificationsLPw(userHandle); 18938 } 18939 } 18940 18941 void newUserCreated(final int userHandle) { 18942 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 18943 // If permission review for legacy apps is required, we represent 18944 // dagerous permissions for such apps as always granted runtime 18945 // permissions to keep per user flag state whether review is needed. 18946 // Hence, if a new user is added we have to propagate dangerous 18947 // permission grants for these legacy apps. 18948 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 18949 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 18950 | UPDATE_PERMISSIONS_REPLACE_ALL); 18951 } 18952 } 18953 18954 @Override 18955 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 18956 mContext.enforceCallingOrSelfPermission( 18957 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 18958 "Only package verification agents can read the verifier device identity"); 18959 18960 synchronized (mPackages) { 18961 return mSettings.getVerifierDeviceIdentityLPw(); 18962 } 18963 } 18964 18965 @Override 18966 public void setPermissionEnforced(String permission, boolean enforced) { 18967 // TODO: Now that we no longer change GID for storage, this should to away. 18968 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 18969 "setPermissionEnforced"); 18970 if (READ_EXTERNAL_STORAGE.equals(permission)) { 18971 synchronized (mPackages) { 18972 if (mSettings.mReadExternalStorageEnforced == null 18973 || mSettings.mReadExternalStorageEnforced != enforced) { 18974 mSettings.mReadExternalStorageEnforced = enforced; 18975 mSettings.writeLPr(); 18976 } 18977 } 18978 // kill any non-foreground processes so we restart them and 18979 // grant/revoke the GID. 18980 final IActivityManager am = ActivityManagerNative.getDefault(); 18981 if (am != null) { 18982 final long token = Binder.clearCallingIdentity(); 18983 try { 18984 am.killProcessesBelowForeground("setPermissionEnforcement"); 18985 } catch (RemoteException e) { 18986 } finally { 18987 Binder.restoreCallingIdentity(token); 18988 } 18989 } 18990 } else { 18991 throw new IllegalArgumentException("No selective enforcement for " + permission); 18992 } 18993 } 18994 18995 @Override 18996 @Deprecated 18997 public boolean isPermissionEnforced(String permission) { 18998 return true; 18999 } 19000 19001 @Override 19002 public boolean isStorageLow() { 19003 final long token = Binder.clearCallingIdentity(); 19004 try { 19005 final DeviceStorageMonitorInternal 19006 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19007 if (dsm != null) { 19008 return dsm.isMemoryLow(); 19009 } else { 19010 return false; 19011 } 19012 } finally { 19013 Binder.restoreCallingIdentity(token); 19014 } 19015 } 19016 19017 @Override 19018 public IPackageInstaller getPackageInstaller() { 19019 return mInstallerService; 19020 } 19021 19022 private boolean userNeedsBadging(int userId) { 19023 int index = mUserNeedsBadging.indexOfKey(userId); 19024 if (index < 0) { 19025 final UserInfo userInfo; 19026 final long token = Binder.clearCallingIdentity(); 19027 try { 19028 userInfo = sUserManager.getUserInfo(userId); 19029 } finally { 19030 Binder.restoreCallingIdentity(token); 19031 } 19032 final boolean b; 19033 if (userInfo != null && userInfo.isManagedProfile()) { 19034 b = true; 19035 } else { 19036 b = false; 19037 } 19038 mUserNeedsBadging.put(userId, b); 19039 return b; 19040 } 19041 return mUserNeedsBadging.valueAt(index); 19042 } 19043 19044 @Override 19045 public KeySet getKeySetByAlias(String packageName, String alias) { 19046 if (packageName == null || alias == null) { 19047 return null; 19048 } 19049 synchronized(mPackages) { 19050 final PackageParser.Package pkg = mPackages.get(packageName); 19051 if (pkg == null) { 19052 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19053 throw new IllegalArgumentException("Unknown package: " + packageName); 19054 } 19055 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19056 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19057 } 19058 } 19059 19060 @Override 19061 public KeySet getSigningKeySet(String packageName) { 19062 if (packageName == null) { 19063 return null; 19064 } 19065 synchronized(mPackages) { 19066 final PackageParser.Package pkg = mPackages.get(packageName); 19067 if (pkg == null) { 19068 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19069 throw new IllegalArgumentException("Unknown package: " + packageName); 19070 } 19071 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19072 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19073 throw new SecurityException("May not access signing KeySet of other apps."); 19074 } 19075 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19076 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19077 } 19078 } 19079 19080 @Override 19081 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19082 if (packageName == null || ks == null) { 19083 return false; 19084 } 19085 synchronized(mPackages) { 19086 final PackageParser.Package pkg = mPackages.get(packageName); 19087 if (pkg == null) { 19088 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19089 throw new IllegalArgumentException("Unknown package: " + packageName); 19090 } 19091 IBinder ksh = ks.getToken(); 19092 if (ksh instanceof KeySetHandle) { 19093 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19094 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19095 } 19096 return false; 19097 } 19098 } 19099 19100 @Override 19101 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19102 if (packageName == null || ks == null) { 19103 return false; 19104 } 19105 synchronized(mPackages) { 19106 final PackageParser.Package pkg = mPackages.get(packageName); 19107 if (pkg == null) { 19108 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19109 throw new IllegalArgumentException("Unknown package: " + packageName); 19110 } 19111 IBinder ksh = ks.getToken(); 19112 if (ksh instanceof KeySetHandle) { 19113 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19114 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19115 } 19116 return false; 19117 } 19118 } 19119 19120 private void deletePackageIfUnusedLPr(final String packageName) { 19121 PackageSetting ps = mSettings.mPackages.get(packageName); 19122 if (ps == null) { 19123 return; 19124 } 19125 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19126 // TODO Implement atomic delete if package is unused 19127 // It is currently possible that the package will be deleted even if it is installed 19128 // after this method returns. 19129 mHandler.post(new Runnable() { 19130 public void run() { 19131 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19132 } 19133 }); 19134 } 19135 } 19136 19137 /** 19138 * Check and throw if the given before/after packages would be considered a 19139 * downgrade. 19140 */ 19141 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19142 throws PackageManagerException { 19143 if (after.versionCode < before.mVersionCode) { 19144 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19145 "Update version code " + after.versionCode + " is older than current " 19146 + before.mVersionCode); 19147 } else if (after.versionCode == before.mVersionCode) { 19148 if (after.baseRevisionCode < before.baseRevisionCode) { 19149 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19150 "Update base revision code " + after.baseRevisionCode 19151 + " is older than current " + before.baseRevisionCode); 19152 } 19153 19154 if (!ArrayUtils.isEmpty(after.splitNames)) { 19155 for (int i = 0; i < after.splitNames.length; i++) { 19156 final String splitName = after.splitNames[i]; 19157 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 19158 if (j != -1) { 19159 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 19160 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19161 "Update split " + splitName + " revision code " 19162 + after.splitRevisionCodes[i] + " is older than current " 19163 + before.splitRevisionCodes[j]); 19164 } 19165 } 19166 } 19167 } 19168 } 19169 } 19170 19171 private static class MoveCallbacks extends Handler { 19172 private static final int MSG_CREATED = 1; 19173 private static final int MSG_STATUS_CHANGED = 2; 19174 19175 private final RemoteCallbackList<IPackageMoveObserver> 19176 mCallbacks = new RemoteCallbackList<>(); 19177 19178 private final SparseIntArray mLastStatus = new SparseIntArray(); 19179 19180 public MoveCallbacks(Looper looper) { 19181 super(looper); 19182 } 19183 19184 public void register(IPackageMoveObserver callback) { 19185 mCallbacks.register(callback); 19186 } 19187 19188 public void unregister(IPackageMoveObserver callback) { 19189 mCallbacks.unregister(callback); 19190 } 19191 19192 @Override 19193 public void handleMessage(Message msg) { 19194 final SomeArgs args = (SomeArgs) msg.obj; 19195 final int n = mCallbacks.beginBroadcast(); 19196 for (int i = 0; i < n; i++) { 19197 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 19198 try { 19199 invokeCallback(callback, msg.what, args); 19200 } catch (RemoteException ignored) { 19201 } 19202 } 19203 mCallbacks.finishBroadcast(); 19204 args.recycle(); 19205 } 19206 19207 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 19208 throws RemoteException { 19209 switch (what) { 19210 case MSG_CREATED: { 19211 callback.onCreated(args.argi1, (Bundle) args.arg2); 19212 break; 19213 } 19214 case MSG_STATUS_CHANGED: { 19215 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 19216 break; 19217 } 19218 } 19219 } 19220 19221 private void notifyCreated(int moveId, Bundle extras) { 19222 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 19223 19224 final SomeArgs args = SomeArgs.obtain(); 19225 args.argi1 = moveId; 19226 args.arg2 = extras; 19227 obtainMessage(MSG_CREATED, args).sendToTarget(); 19228 } 19229 19230 private void notifyStatusChanged(int moveId, int status) { 19231 notifyStatusChanged(moveId, status, -1); 19232 } 19233 19234 private void notifyStatusChanged(int moveId, int status, long estMillis) { 19235 Slog.v(TAG, "Move " + moveId + " status " + status); 19236 19237 final SomeArgs args = SomeArgs.obtain(); 19238 args.argi1 = moveId; 19239 args.argi2 = status; 19240 args.arg3 = estMillis; 19241 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 19242 19243 synchronized (mLastStatus) { 19244 mLastStatus.put(moveId, status); 19245 } 19246 } 19247 } 19248 19249 private final static class OnPermissionChangeListeners extends Handler { 19250 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 19251 19252 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 19253 new RemoteCallbackList<>(); 19254 19255 public OnPermissionChangeListeners(Looper looper) { 19256 super(looper); 19257 } 19258 19259 @Override 19260 public void handleMessage(Message msg) { 19261 switch (msg.what) { 19262 case MSG_ON_PERMISSIONS_CHANGED: { 19263 final int uid = msg.arg1; 19264 handleOnPermissionsChanged(uid); 19265 } break; 19266 } 19267 } 19268 19269 public void addListenerLocked(IOnPermissionsChangeListener listener) { 19270 mPermissionListeners.register(listener); 19271 19272 } 19273 19274 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 19275 mPermissionListeners.unregister(listener); 19276 } 19277 19278 public void onPermissionsChanged(int uid) { 19279 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 19280 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 19281 } 19282 } 19283 19284 private void handleOnPermissionsChanged(int uid) { 19285 final int count = mPermissionListeners.beginBroadcast(); 19286 try { 19287 for (int i = 0; i < count; i++) { 19288 IOnPermissionsChangeListener callback = mPermissionListeners 19289 .getBroadcastItem(i); 19290 try { 19291 callback.onPermissionsChanged(uid); 19292 } catch (RemoteException e) { 19293 Log.e(TAG, "Permission listener is dead", e); 19294 } 19295 } 19296 } finally { 19297 mPermissionListeners.finishBroadcast(); 19298 } 19299 } 19300 } 19301 19302 private class PackageManagerInternalImpl extends PackageManagerInternal { 19303 @Override 19304 public void setLocationPackagesProvider(PackagesProvider provider) { 19305 synchronized (mPackages) { 19306 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 19307 } 19308 } 19309 19310 @Override 19311 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 19312 synchronized (mPackages) { 19313 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 19314 } 19315 } 19316 19317 @Override 19318 public void setSmsAppPackagesProvider(PackagesProvider provider) { 19319 synchronized (mPackages) { 19320 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 19321 } 19322 } 19323 19324 @Override 19325 public void setDialerAppPackagesProvider(PackagesProvider provider) { 19326 synchronized (mPackages) { 19327 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 19328 } 19329 } 19330 19331 @Override 19332 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 19333 synchronized (mPackages) { 19334 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 19335 } 19336 } 19337 19338 @Override 19339 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 19340 synchronized (mPackages) { 19341 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 19342 } 19343 } 19344 19345 @Override 19346 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 19347 synchronized (mPackages) { 19348 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 19349 packageName, userId); 19350 } 19351 } 19352 19353 @Override 19354 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 19355 synchronized (mPackages) { 19356 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 19357 packageName, userId); 19358 } 19359 } 19360 19361 @Override 19362 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 19363 synchronized (mPackages) { 19364 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 19365 packageName, userId); 19366 } 19367 } 19368 19369 @Override 19370 public void setKeepUninstalledPackages(final List<String> packageList) { 19371 Preconditions.checkNotNull(packageList); 19372 List<String> removedFromList = null; 19373 synchronized (mPackages) { 19374 if (mKeepUninstalledPackages != null) { 19375 final int packagesCount = mKeepUninstalledPackages.size(); 19376 for (int i = 0; i < packagesCount; i++) { 19377 String oldPackage = mKeepUninstalledPackages.get(i); 19378 if (packageList != null && packageList.contains(oldPackage)) { 19379 continue; 19380 } 19381 if (removedFromList == null) { 19382 removedFromList = new ArrayList<>(); 19383 } 19384 removedFromList.add(oldPackage); 19385 } 19386 } 19387 mKeepUninstalledPackages = new ArrayList<>(packageList); 19388 if (removedFromList != null) { 19389 final int removedCount = removedFromList.size(); 19390 for (int i = 0; i < removedCount; i++) { 19391 deletePackageIfUnusedLPr(removedFromList.get(i)); 19392 } 19393 } 19394 } 19395 } 19396 19397 @Override 19398 public boolean isPermissionsReviewRequired(String packageName, int userId) { 19399 synchronized (mPackages) { 19400 // If we do not support permission review, done. 19401 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 19402 return false; 19403 } 19404 19405 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 19406 if (packageSetting == null) { 19407 return false; 19408 } 19409 19410 // Permission review applies only to apps not supporting the new permission model. 19411 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 19412 return false; 19413 } 19414 19415 // Legacy apps have the permission and get user consent on launch. 19416 PermissionsState permissionsState = packageSetting.getPermissionsState(); 19417 return permissionsState.isPermissionReviewRequired(userId); 19418 } 19419 } 19420 19421 @Override 19422 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 19423 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 19424 } 19425 19426 @Override 19427 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19428 int userId) { 19429 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 19430 } 19431 } 19432 19433 @Override 19434 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 19435 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 19436 synchronized (mPackages) { 19437 final long identity = Binder.clearCallingIdentity(); 19438 try { 19439 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19440 packageNames, userId); 19441 } finally { 19442 Binder.restoreCallingIdentity(identity); 19443 } 19444 } 19445 } 19446 19447 private static void enforceSystemOrPhoneCaller(String tag) { 19448 int callingUid = Binder.getCallingUid(); 19449 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 19450 throw new SecurityException( 19451 "Cannot call " + tag + " from UID " + callingUid); 19452 } 19453 } 19454 19455 boolean isHistoricalPackageUsageAvailable() { 19456 return mPackageUsage.isHistoricalPackageUsageAvailable(); 19457 } 19458 19459 /** 19460 * Return a <b>copy</b> of the collection of packages known to the package manager. 19461 * @return A copy of the values of mPackages. 19462 */ 19463 Collection<PackageParser.Package> getPackages() { 19464 synchronized (mPackages) { 19465 return new ArrayList<>(mPackages.values()); 19466 } 19467 } 19468 19469 /** 19470 * Logs process start information (including base APK hash) to the security log. 19471 * @hide 19472 */ 19473 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 19474 String apkFile, int pid) { 19475 if (!SecurityLog.isLoggingEnabled()) { 19476 return; 19477 } 19478 Bundle data = new Bundle(); 19479 data.putLong("startTimestamp", System.currentTimeMillis()); 19480 data.putString("processName", processName); 19481 data.putInt("uid", uid); 19482 data.putString("seinfo", seinfo); 19483 data.putString("apkFile", apkFile); 19484 data.putInt("pid", pid); 19485 Message msg = mProcessLoggingHandler.obtainMessage( 19486 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 19487 msg.setData(data); 19488 mProcessLoggingHandler.sendMessage(msg); 19489 } 19490} 19491