PackageManagerService.java revision 26af56d28ea50f71d59c87e366d708966cc0d1de
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_DUPLICATE_PACKAGE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 40import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 45import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 46import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 47import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 63import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 65import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 66import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 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.Trace.TRACE_TAG_PACKAGE_MANAGER; 79import static android.system.OsConstants.O_CREAT; 80import static android.system.OsConstants.O_RDWR; 81 82import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 84import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 85import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 86import static com.android.internal.util.ArrayUtils.appendInt; 87import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 88import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 89import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 91import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 92import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 93import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 94import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 99 100import android.Manifest; 101import android.annotation.NonNull; 102import android.annotation.Nullable; 103import android.app.ActivityManager; 104import android.app.ActivityManagerNative; 105import android.app.IActivityManager; 106import android.app.ResourcesManager; 107import android.app.admin.IDevicePolicyManager; 108import android.app.admin.SecurityLog; 109import android.app.backup.IBackupManager; 110import android.content.BroadcastReceiver; 111import android.content.ComponentName; 112import android.content.Context; 113import android.content.IIntentReceiver; 114import android.content.Intent; 115import android.content.IntentFilter; 116import android.content.IntentSender; 117import android.content.IntentSender.SendIntentException; 118import android.content.ServiceConnection; 119import android.content.pm.ActivityInfo; 120import android.content.pm.ApplicationInfo; 121import android.content.pm.AppsQueryHelper; 122import android.content.pm.ComponentInfo; 123import android.content.pm.EphemeralApplicationInfo; 124import android.content.pm.EphemeralResolveInfo; 125import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 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.PatternMatcher; 181import android.os.Process; 182import android.os.RemoteCallbackList; 183import android.os.RemoteException; 184import android.os.ResultReceiver; 185import android.os.SELinux; 186import android.os.ServiceManager; 187import android.os.SystemClock; 188import android.os.SystemProperties; 189import android.os.Trace; 190import android.os.UserHandle; 191import android.os.UserManager; 192import android.os.UserManagerInternal; 193import android.os.storage.IMountService; 194import android.os.storage.MountServiceInternal; 195import android.os.storage.StorageEventListener; 196import android.os.storage.StorageManager; 197import android.os.storage.VolumeInfo; 198import android.os.storage.VolumeRecord; 199import android.provider.Settings.Global; 200import android.provider.Settings.Secure; 201import android.security.KeyStore; 202import android.security.SystemKeyStore; 203import android.system.ErrnoException; 204import android.system.Os; 205import android.text.TextUtils; 206import android.text.format.DateUtils; 207import android.util.ArrayMap; 208import android.util.ArraySet; 209import android.util.DisplayMetrics; 210import android.util.EventLog; 211import android.util.ExceptionUtils; 212import android.util.Log; 213import android.util.LogPrinter; 214import android.util.MathUtils; 215import android.util.PrintStreamPrinter; 216import android.util.Slog; 217import android.util.SparseArray; 218import android.util.SparseBooleanArray; 219import android.util.SparseIntArray; 220import android.util.Xml; 221import android.util.jar.StrictJarFile; 222import android.view.Display; 223 224import com.android.internal.R; 225import com.android.internal.annotations.GuardedBy; 226import com.android.internal.app.IMediaContainerService; 227import com.android.internal.app.ResolverActivity; 228import com.android.internal.content.NativeLibraryHelper; 229import com.android.internal.content.PackageHelper; 230import com.android.internal.logging.MetricsLogger; 231import com.android.internal.os.IParcelFileDescriptorFactory; 232import com.android.internal.os.InstallerConnection.InstallerException; 233import com.android.internal.os.SomeArgs; 234import com.android.internal.os.Zygote; 235import com.android.internal.telephony.CarrierAppUtils; 236import com.android.internal.util.ArrayUtils; 237import com.android.internal.util.FastPrintWriter; 238import com.android.internal.util.FastXmlSerializer; 239import com.android.internal.util.IndentingPrintWriter; 240import com.android.internal.util.Preconditions; 241import com.android.internal.util.XmlUtils; 242import com.android.server.AttributeCache; 243import com.android.server.EventLogTags; 244import com.android.server.FgThread; 245import com.android.server.IntentResolver; 246import com.android.server.LocalServices; 247import com.android.server.ServiceThread; 248import com.android.server.SystemConfig; 249import com.android.server.Watchdog; 250import com.android.server.net.NetworkPolicyManagerInternal; 251import com.android.server.pm.PermissionsState.PermissionState; 252import com.android.server.pm.Settings.DatabaseVersion; 253import com.android.server.pm.Settings.VersionInfo; 254import com.android.server.storage.DeviceStorageMonitorInternal; 255 256import dalvik.system.CloseGuard; 257import dalvik.system.DexFile; 258import dalvik.system.VMRuntime; 259 260import libcore.io.IoUtils; 261import libcore.util.EmptyArray; 262 263import org.xmlpull.v1.XmlPullParser; 264import org.xmlpull.v1.XmlPullParserException; 265import org.xmlpull.v1.XmlSerializer; 266 267import java.io.BufferedOutputStream; 268import java.io.BufferedReader; 269import java.io.ByteArrayInputStream; 270import java.io.ByteArrayOutputStream; 271import java.io.File; 272import java.io.FileDescriptor; 273import java.io.FileInputStream; 274import java.io.FileNotFoundException; 275import java.io.FileOutputStream; 276import java.io.FileReader; 277import java.io.FilenameFilter; 278import java.io.IOException; 279import java.io.PrintWriter; 280import java.nio.charset.StandardCharsets; 281import java.security.DigestInputStream; 282import java.security.MessageDigest; 283import java.security.NoSuchAlgorithmException; 284import java.security.PublicKey; 285import java.security.cert.Certificate; 286import java.security.cert.CertificateEncodingException; 287import java.security.cert.CertificateException; 288import java.text.SimpleDateFormat; 289import java.util.ArrayList; 290import java.util.Arrays; 291import java.util.Collection; 292import java.util.Collections; 293import java.util.Comparator; 294import java.util.Date; 295import java.util.HashSet; 296import java.util.Iterator; 297import java.util.List; 298import java.util.Map; 299import java.util.Objects; 300import java.util.Set; 301import java.util.concurrent.CountDownLatch; 302import java.util.concurrent.TimeUnit; 303import java.util.concurrent.atomic.AtomicBoolean; 304import java.util.concurrent.atomic.AtomicInteger; 305 306/** 307 * Keep track of all those APKs everywhere. 308 * <p> 309 * Internally there are two important locks: 310 * <ul> 311 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 312 * and other related state. It is a fine-grained lock that should only be held 313 * momentarily, as it's one of the most contended locks in the system. 314 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 315 * operations typically involve heavy lifting of application data on disk. Since 316 * {@code installd} is single-threaded, and it's operations can often be slow, 317 * this lock should never be acquired while already holding {@link #mPackages}. 318 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 319 * holding {@link #mInstallLock}. 320 * </ul> 321 * Many internal methods rely on the caller to hold the appropriate locks, and 322 * this contract is expressed through method name suffixes: 323 * <ul> 324 * <li>fooLI(): the caller must hold {@link #mInstallLock} 325 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 326 * being modified must be frozen 327 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 328 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 329 * </ul> 330 * <p> 331 * Because this class is very central to the platform's security; please run all 332 * CTS and unit tests whenever making modifications: 333 * 334 * <pre> 335 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 336 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 337 * </pre> 338 */ 339public class PackageManagerService extends IPackageManager.Stub { 340 static final String TAG = "PackageManager"; 341 static final boolean DEBUG_SETTINGS = false; 342 static final boolean DEBUG_PREFERRED = false; 343 static final boolean DEBUG_UPGRADE = false; 344 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 345 private static final boolean DEBUG_BACKUP = false; 346 private static final boolean DEBUG_INSTALL = false; 347 private static final boolean DEBUG_REMOVE = false; 348 private static final boolean DEBUG_BROADCASTS = false; 349 private static final boolean DEBUG_SHOW_INFO = false; 350 private static final boolean DEBUG_PACKAGE_INFO = false; 351 private static final boolean DEBUG_INTENT_MATCHING = false; 352 private static final boolean DEBUG_PACKAGE_SCANNING = false; 353 private static final boolean DEBUG_VERIFY = false; 354 private static final boolean DEBUG_FILTERS = false; 355 356 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 357 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 358 // user, but by default initialize to this. 359 static final boolean DEBUG_DEXOPT = false; 360 361 private static final boolean DEBUG_ABI_SELECTION = false; 362 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 363 private static final boolean DEBUG_TRIAGED_MISSING = false; 364 private static final boolean DEBUG_APP_DATA = false; 365 366 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 367 368 // STOPSHIP; b/30256615 369 private static final boolean DISABLE_EPHEMERAL_APPS = !Build.IS_DEBUGGABLE; 370 371 private static final int RADIO_UID = Process.PHONE_UID; 372 private static final int LOG_UID = Process.LOG_UID; 373 private static final int NFC_UID = Process.NFC_UID; 374 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 375 private static final int SHELL_UID = Process.SHELL_UID; 376 377 // Cap the size of permission trees that 3rd party apps can define 378 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 379 380 // Suffix used during package installation when copying/moving 381 // package apks to install directory. 382 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 383 384 static final int SCAN_NO_DEX = 1<<1; 385 static final int SCAN_FORCE_DEX = 1<<2; 386 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 387 static final int SCAN_NEW_INSTALL = 1<<4; 388 static final int SCAN_NO_PATHS = 1<<5; 389 static final int SCAN_UPDATE_TIME = 1<<6; 390 static final int SCAN_DEFER_DEX = 1<<7; 391 static final int SCAN_BOOTING = 1<<8; 392 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 393 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 394 static final int SCAN_REPLACING = 1<<11; 395 static final int SCAN_REQUIRE_KNOWN = 1<<12; 396 static final int SCAN_MOVE = 1<<13; 397 static final int SCAN_INITIAL = 1<<14; 398 static final int SCAN_CHECK_ONLY = 1<<15; 399 static final int SCAN_DONT_KILL_APP = 1<<17; 400 static final int SCAN_IGNORE_FROZEN = 1<<18; 401 402 static final int REMOVE_CHATTY = 1<<16; 403 404 private static final int[] EMPTY_INT_ARRAY = new int[0]; 405 406 /** 407 * Timeout (in milliseconds) after which the watchdog should declare that 408 * our handler thread is wedged. The usual default for such things is one 409 * minute but we sometimes do very lengthy I/O operations on this thread, 410 * such as installing multi-gigabyte applications, so ours needs to be longer. 411 */ 412 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 413 414 /** 415 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 416 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 417 * settings entry if available, otherwise we use the hardcoded default. If it's been 418 * more than this long since the last fstrim, we force one during the boot sequence. 419 * 420 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 421 * one gets run at the next available charging+idle time. This final mandatory 422 * no-fstrim check kicks in only of the other scheduling criteria is never met. 423 */ 424 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 425 426 /** 427 * Whether verification is enabled by default. 428 */ 429 private static final boolean DEFAULT_VERIFY_ENABLE = true; 430 431 /** 432 * The default maximum time to wait for the verification agent to return in 433 * milliseconds. 434 */ 435 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 436 437 /** 438 * The default response for package verification timeout. 439 * 440 * This can be either PackageManager.VERIFICATION_ALLOW or 441 * PackageManager.VERIFICATION_REJECT. 442 */ 443 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 444 445 static final String PLATFORM_PACKAGE_NAME = "android"; 446 447 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 448 449 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 450 DEFAULT_CONTAINER_PACKAGE, 451 "com.android.defcontainer.DefaultContainerService"); 452 453 private static final String KILL_APP_REASON_GIDS_CHANGED = 454 "permission grant or revoke changed gids"; 455 456 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 457 "permissions revoked"; 458 459 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 460 461 private static final String PACKAGE_SCHEME = "package"; 462 463 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 464 465 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 466 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 467 468 /** Permission grant: not grant the permission. */ 469 private static final int GRANT_DENIED = 1; 470 471 /** Permission grant: grant the permission as an install permission. */ 472 private static final int GRANT_INSTALL = 2; 473 474 /** Permission grant: grant the permission as a runtime one. */ 475 private static final int GRANT_RUNTIME = 3; 476 477 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 478 private static final int GRANT_UPGRADE = 4; 479 480 /** Canonical intent used to identify what counts as a "web browser" app */ 481 private static final Intent sBrowserIntent; 482 static { 483 sBrowserIntent = new Intent(); 484 sBrowserIntent.setAction(Intent.ACTION_VIEW); 485 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 486 sBrowserIntent.setData(Uri.parse("http:")); 487 } 488 489 /** 490 * The set of all protected actions [i.e. those actions for which a high priority 491 * intent filter is disallowed]. 492 */ 493 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 494 static { 495 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 496 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 497 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 498 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 499 } 500 501 // Compilation reasons. 502 public static final int REASON_FIRST_BOOT = 0; 503 public static final int REASON_BOOT = 1; 504 public static final int REASON_INSTALL = 2; 505 public static final int REASON_BACKGROUND_DEXOPT = 3; 506 public static final int REASON_AB_OTA = 4; 507 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 508 public static final int REASON_SHARED_APK = 6; 509 public static final int REASON_FORCED_DEXOPT = 7; 510 public static final int REASON_CORE_APP = 8; 511 512 public static final int REASON_LAST = REASON_CORE_APP; 513 514 /** Special library name that skips shared libraries check during compilation. */ 515 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 516 517 final ServiceThread mHandlerThread; 518 519 final PackageHandler mHandler; 520 521 private final ProcessLoggingHandler mProcessLoggingHandler; 522 523 /** 524 * Messages for {@link #mHandler} that need to wait for system ready before 525 * being dispatched. 526 */ 527 private ArrayList<Message> mPostSystemReadyMessages; 528 529 final int mSdkVersion = Build.VERSION.SDK_INT; 530 531 final Context mContext; 532 final boolean mFactoryTest; 533 final boolean mOnlyCore; 534 final DisplayMetrics mMetrics; 535 final int mDefParseFlags; 536 final String[] mSeparateProcesses; 537 final boolean mIsUpgrade; 538 final boolean mIsPreNUpgrade; 539 final boolean mIsPreNMR1Upgrade; 540 541 @GuardedBy("mPackages") 542 private boolean mDexOptDialogShown; 543 544 /** The location for ASEC container files on internal storage. */ 545 final String mAsecInternalPath; 546 547 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 548 // LOCK HELD. Can be called with mInstallLock held. 549 @GuardedBy("mInstallLock") 550 final Installer mInstaller; 551 552 /** Directory where installed third-party apps stored */ 553 final File mAppInstallDir; 554 final File mEphemeralInstallDir; 555 556 /** 557 * Directory to which applications installed internally have their 558 * 32 bit native libraries copied. 559 */ 560 private File mAppLib32InstallDir; 561 562 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 563 // apps. 564 final File mDrmAppPrivateInstallDir; 565 566 // ---------------------------------------------------------------- 567 568 // Lock for state used when installing and doing other long running 569 // operations. Methods that must be called with this lock held have 570 // the suffix "LI". 571 final Object mInstallLock = new Object(); 572 573 // ---------------------------------------------------------------- 574 575 // Keys are String (package name), values are Package. This also serves 576 // as the lock for the global state. Methods that must be called with 577 // this lock held have the prefix "LP". 578 @GuardedBy("mPackages") 579 final ArrayMap<String, PackageParser.Package> mPackages = 580 new ArrayMap<String, PackageParser.Package>(); 581 582 final ArrayMap<String, Set<String>> mKnownCodebase = 583 new ArrayMap<String, Set<String>>(); 584 585 // Tracks available target package names -> overlay package paths. 586 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 587 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 588 589 /** 590 * Tracks new system packages [received in an OTA] that we expect to 591 * find updated user-installed versions. Keys are package name, values 592 * are package location. 593 */ 594 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 595 /** 596 * Tracks high priority intent filters for protected actions. During boot, certain 597 * filter actions are protected and should never be allowed to have a high priority 598 * intent filter for them. However, there is one, and only one exception -- the 599 * setup wizard. It must be able to define a high priority intent filter for these 600 * actions to ensure there are no escapes from the wizard. We need to delay processing 601 * of these during boot as we need to look at all of the system packages in order 602 * to know which component is the setup wizard. 603 */ 604 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 605 /** 606 * Whether or not processing protected filters should be deferred. 607 */ 608 private boolean mDeferProtectedFilters = true; 609 610 /** 611 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 612 */ 613 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 614 /** 615 * Whether or not system app permissions should be promoted from install to runtime. 616 */ 617 boolean mPromoteSystemApps; 618 619 @GuardedBy("mPackages") 620 final Settings mSettings; 621 622 /** 623 * Set of package names that are currently "frozen", which means active 624 * surgery is being done on the code/data for that package. The platform 625 * will refuse to launch frozen packages to avoid race conditions. 626 * 627 * @see PackageFreezer 628 */ 629 @GuardedBy("mPackages") 630 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 631 632 final ProtectedPackages mProtectedPackages; 633 634 boolean mFirstBoot; 635 636 // System configuration read by SystemConfig. 637 final int[] mGlobalGids; 638 final SparseArray<ArraySet<String>> mSystemPermissions; 639 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 640 641 // If mac_permissions.xml was found for seinfo labeling. 642 boolean mFoundPolicyFile; 643 644 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 645 646 public static final class SharedLibraryEntry { 647 public final String path; 648 public final String apk; 649 650 SharedLibraryEntry(String _path, String _apk) { 651 path = _path; 652 apk = _apk; 653 } 654 } 655 656 // Currently known shared libraries. 657 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 658 new ArrayMap<String, SharedLibraryEntry>(); 659 660 // All available activities, for your resolving pleasure. 661 final ActivityIntentResolver mActivities = 662 new ActivityIntentResolver(); 663 664 // All available receivers, for your resolving pleasure. 665 final ActivityIntentResolver mReceivers = 666 new ActivityIntentResolver(); 667 668 // All available services, for your resolving pleasure. 669 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 670 671 // All available providers, for your resolving pleasure. 672 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 673 674 // Mapping from provider base names (first directory in content URI codePath) 675 // to the provider information. 676 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 677 new ArrayMap<String, PackageParser.Provider>(); 678 679 // Mapping from instrumentation class names to info about them. 680 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 681 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 682 683 // Mapping from permission names to info about them. 684 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 685 new ArrayMap<String, PackageParser.PermissionGroup>(); 686 687 // Packages whose data we have transfered into another package, thus 688 // should no longer exist. 689 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 690 691 // Broadcast actions that are only available to the system. 692 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 693 694 /** List of packages waiting for verification. */ 695 final SparseArray<PackageVerificationState> mPendingVerification 696 = new SparseArray<PackageVerificationState>(); 697 698 /** Set of packages associated with each app op permission. */ 699 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 700 701 final PackageInstallerService mInstallerService; 702 703 private final PackageDexOptimizer mPackageDexOptimizer; 704 705 private AtomicInteger mNextMoveId = new AtomicInteger(); 706 private final MoveCallbacks mMoveCallbacks; 707 708 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 709 710 // Cache of users who need badging. 711 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 712 713 /** Token for keys in mPendingVerification. */ 714 private int mPendingVerificationToken = 0; 715 716 volatile boolean mSystemReady; 717 volatile boolean mSafeMode; 718 volatile boolean mHasSystemUidErrors; 719 720 ApplicationInfo mAndroidApplication; 721 final ActivityInfo mResolveActivity = new ActivityInfo(); 722 final ResolveInfo mResolveInfo = new ResolveInfo(); 723 ComponentName mResolveComponentName; 724 PackageParser.Package mPlatformPackage; 725 ComponentName mCustomResolverComponentName; 726 727 boolean mResolverReplaced = false; 728 729 private final @Nullable ComponentName mIntentFilterVerifierComponent; 730 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 731 732 private int mIntentFilterVerificationToken = 0; 733 734 /** Component that knows whether or not an ephemeral application exists */ 735 final ComponentName mEphemeralResolverComponent; 736 /** The service connection to the ephemeral resolver */ 737 final EphemeralResolverConnection mEphemeralResolverConnection; 738 739 /** Component used to install ephemeral applications */ 740 final ComponentName mEphemeralInstallerComponent; 741 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 742 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 743 744 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 745 = new SparseArray<IntentFilterVerificationState>(); 746 747 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 748 749 // List of packages names to keep cached, even if they are uninstalled for all users 750 private List<String> mKeepUninstalledPackages; 751 752 private UserManagerInternal mUserManagerInternal; 753 754 private static class IFVerificationParams { 755 PackageParser.Package pkg; 756 boolean replacing; 757 int userId; 758 int verifierUid; 759 760 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 761 int _userId, int _verifierUid) { 762 pkg = _pkg; 763 replacing = _replacing; 764 userId = _userId; 765 replacing = _replacing; 766 verifierUid = _verifierUid; 767 } 768 } 769 770 private interface IntentFilterVerifier<T extends IntentFilter> { 771 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 772 T filter, String packageName); 773 void startVerifications(int userId); 774 void receiveVerificationResponse(int verificationId); 775 } 776 777 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 778 private Context mContext; 779 private ComponentName mIntentFilterVerifierComponent; 780 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 781 782 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 783 mContext = context; 784 mIntentFilterVerifierComponent = verifierComponent; 785 } 786 787 private String getDefaultScheme() { 788 return IntentFilter.SCHEME_HTTPS; 789 } 790 791 @Override 792 public void startVerifications(int userId) { 793 // Launch verifications requests 794 int count = mCurrentIntentFilterVerifications.size(); 795 for (int n=0; n<count; n++) { 796 int verificationId = mCurrentIntentFilterVerifications.get(n); 797 final IntentFilterVerificationState ivs = 798 mIntentFilterVerificationStates.get(verificationId); 799 800 String packageName = ivs.getPackageName(); 801 802 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 803 final int filterCount = filters.size(); 804 ArraySet<String> domainsSet = new ArraySet<>(); 805 for (int m=0; m<filterCount; m++) { 806 PackageParser.ActivityIntentInfo filter = filters.get(m); 807 domainsSet.addAll(filter.getHostsList()); 808 } 809 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 810 synchronized (mPackages) { 811 if (mSettings.createIntentFilterVerificationIfNeededLPw( 812 packageName, domainsList) != null) { 813 scheduleWriteSettingsLocked(); 814 } 815 } 816 sendVerificationRequest(userId, verificationId, ivs); 817 } 818 mCurrentIntentFilterVerifications.clear(); 819 } 820 821 private void sendVerificationRequest(int userId, int verificationId, 822 IntentFilterVerificationState ivs) { 823 824 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 825 verificationIntent.putExtra( 826 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 827 verificationId); 828 verificationIntent.putExtra( 829 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 830 getDefaultScheme()); 831 verificationIntent.putExtra( 832 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 833 ivs.getHostsString()); 834 verificationIntent.putExtra( 835 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 836 ivs.getPackageName()); 837 verificationIntent.setComponent(mIntentFilterVerifierComponent); 838 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 839 840 UserHandle user = new UserHandle(userId); 841 mContext.sendBroadcastAsUser(verificationIntent, user); 842 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 843 "Sending IntentFilter verification broadcast"); 844 } 845 846 public void receiveVerificationResponse(int verificationId) { 847 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 848 849 final boolean verified = ivs.isVerified(); 850 851 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 852 final int count = filters.size(); 853 if (DEBUG_DOMAIN_VERIFICATION) { 854 Slog.i(TAG, "Received verification response " + verificationId 855 + " for " + count + " filters, verified=" + verified); 856 } 857 for (int n=0; n<count; n++) { 858 PackageParser.ActivityIntentInfo filter = filters.get(n); 859 filter.setVerified(verified); 860 861 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 862 + " verified with result:" + verified + " and hosts:" 863 + ivs.getHostsString()); 864 } 865 866 mIntentFilterVerificationStates.remove(verificationId); 867 868 final String packageName = ivs.getPackageName(); 869 IntentFilterVerificationInfo ivi = null; 870 871 synchronized (mPackages) { 872 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 873 } 874 if (ivi == null) { 875 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 876 + verificationId + " packageName:" + packageName); 877 return; 878 } 879 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 880 "Updating IntentFilterVerificationInfo for package " + packageName 881 +" verificationId:" + verificationId); 882 883 synchronized (mPackages) { 884 if (verified) { 885 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 886 } else { 887 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 888 } 889 scheduleWriteSettingsLocked(); 890 891 final int userId = ivs.getUserId(); 892 if (userId != UserHandle.USER_ALL) { 893 final int userStatus = 894 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 895 896 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 897 boolean needUpdate = false; 898 899 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 900 // already been set by the User thru the Disambiguation dialog 901 switch (userStatus) { 902 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 903 if (verified) { 904 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 905 } else { 906 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 907 } 908 needUpdate = true; 909 break; 910 911 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 912 if (verified) { 913 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 914 needUpdate = true; 915 } 916 break; 917 918 default: 919 // Nothing to do 920 } 921 922 if (needUpdate) { 923 mSettings.updateIntentFilterVerificationStatusLPw( 924 packageName, updatedStatus, userId); 925 scheduleWritePackageRestrictionsLocked(userId); 926 } 927 } 928 } 929 } 930 931 @Override 932 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 933 ActivityIntentInfo filter, String packageName) { 934 if (!hasValidDomains(filter)) { 935 return false; 936 } 937 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 938 if (ivs == null) { 939 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 940 packageName); 941 } 942 if (DEBUG_DOMAIN_VERIFICATION) { 943 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 944 } 945 ivs.addFilter(filter); 946 return true; 947 } 948 949 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 950 int userId, int verificationId, String packageName) { 951 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 952 verifierUid, userId, packageName); 953 ivs.setPendingState(); 954 synchronized (mPackages) { 955 mIntentFilterVerificationStates.append(verificationId, ivs); 956 mCurrentIntentFilterVerifications.add(verificationId); 957 } 958 return ivs; 959 } 960 } 961 962 private static boolean hasValidDomains(ActivityIntentInfo filter) { 963 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 964 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 965 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 966 } 967 968 // Set of pending broadcasts for aggregating enable/disable of components. 969 static class PendingPackageBroadcasts { 970 // for each user id, a map of <package name -> components within that package> 971 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 972 973 public PendingPackageBroadcasts() { 974 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 975 } 976 977 public ArrayList<String> get(int userId, String packageName) { 978 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 979 return packages.get(packageName); 980 } 981 982 public void put(int userId, String packageName, ArrayList<String> components) { 983 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 984 packages.put(packageName, components); 985 } 986 987 public void remove(int userId, String packageName) { 988 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 989 if (packages != null) { 990 packages.remove(packageName); 991 } 992 } 993 994 public void remove(int userId) { 995 mUidMap.remove(userId); 996 } 997 998 public int userIdCount() { 999 return mUidMap.size(); 1000 } 1001 1002 public int userIdAt(int n) { 1003 return mUidMap.keyAt(n); 1004 } 1005 1006 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1007 return mUidMap.get(userId); 1008 } 1009 1010 public int size() { 1011 // total number of pending broadcast entries across all userIds 1012 int num = 0; 1013 for (int i = 0; i< mUidMap.size(); i++) { 1014 num += mUidMap.valueAt(i).size(); 1015 } 1016 return num; 1017 } 1018 1019 public void clear() { 1020 mUidMap.clear(); 1021 } 1022 1023 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1024 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1025 if (map == null) { 1026 map = new ArrayMap<String, ArrayList<String>>(); 1027 mUidMap.put(userId, map); 1028 } 1029 return map; 1030 } 1031 } 1032 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1033 1034 // Service Connection to remote media container service to copy 1035 // package uri's from external media onto secure containers 1036 // or internal storage. 1037 private IMediaContainerService mContainerService = null; 1038 1039 static final int SEND_PENDING_BROADCAST = 1; 1040 static final int MCS_BOUND = 3; 1041 static final int END_COPY = 4; 1042 static final int INIT_COPY = 5; 1043 static final int MCS_UNBIND = 6; 1044 static final int START_CLEANING_PACKAGE = 7; 1045 static final int FIND_INSTALL_LOC = 8; 1046 static final int POST_INSTALL = 9; 1047 static final int MCS_RECONNECT = 10; 1048 static final int MCS_GIVE_UP = 11; 1049 static final int UPDATED_MEDIA_STATUS = 12; 1050 static final int WRITE_SETTINGS = 13; 1051 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1052 static final int PACKAGE_VERIFIED = 15; 1053 static final int CHECK_PENDING_VERIFICATION = 16; 1054 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1055 static final int INTENT_FILTER_VERIFIED = 18; 1056 static final int WRITE_PACKAGE_LIST = 19; 1057 1058 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1059 1060 // Delay time in millisecs 1061 static final int BROADCAST_DELAY = 10 * 1000; 1062 1063 static UserManagerService sUserManager; 1064 1065 // Stores a list of users whose package restrictions file needs to be updated 1066 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1067 1068 final private DefaultContainerConnection mDefContainerConn = 1069 new DefaultContainerConnection(); 1070 class DefaultContainerConnection implements ServiceConnection { 1071 public void onServiceConnected(ComponentName name, IBinder service) { 1072 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1073 IMediaContainerService imcs = 1074 IMediaContainerService.Stub.asInterface(service); 1075 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1076 } 1077 1078 public void onServiceDisconnected(ComponentName name) { 1079 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1080 } 1081 } 1082 1083 // Recordkeeping of restore-after-install operations that are currently in flight 1084 // between the Package Manager and the Backup Manager 1085 static class PostInstallData { 1086 public InstallArgs args; 1087 public PackageInstalledInfo res; 1088 1089 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1090 args = _a; 1091 res = _r; 1092 } 1093 } 1094 1095 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1096 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1097 1098 // XML tags for backup/restore of various bits of state 1099 private static final String TAG_PREFERRED_BACKUP = "pa"; 1100 private static final String TAG_DEFAULT_APPS = "da"; 1101 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1102 1103 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1104 private static final String TAG_ALL_GRANTS = "rt-grants"; 1105 private static final String TAG_GRANT = "grant"; 1106 private static final String ATTR_PACKAGE_NAME = "pkg"; 1107 1108 private static final String TAG_PERMISSION = "perm"; 1109 private static final String ATTR_PERMISSION_NAME = "name"; 1110 private static final String ATTR_IS_GRANTED = "g"; 1111 private static final String ATTR_USER_SET = "set"; 1112 private static final String ATTR_USER_FIXED = "fixed"; 1113 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1114 1115 // System/policy permission grants are not backed up 1116 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1117 FLAG_PERMISSION_POLICY_FIXED 1118 | FLAG_PERMISSION_SYSTEM_FIXED 1119 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1120 1121 // And we back up these user-adjusted states 1122 private static final int USER_RUNTIME_GRANT_MASK = 1123 FLAG_PERMISSION_USER_SET 1124 | FLAG_PERMISSION_USER_FIXED 1125 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1126 1127 final @Nullable String mRequiredVerifierPackage; 1128 final @NonNull String mRequiredInstallerPackage; 1129 final @NonNull String mRequiredUninstallerPackage; 1130 final @Nullable String mSetupWizardPackage; 1131 final @Nullable String mStorageManagerPackage; 1132 final @NonNull String mServicesSystemSharedLibraryPackageName; 1133 final @NonNull String mSharedSystemSharedLibraryPackageName; 1134 1135 private final PackageUsage mPackageUsage = new PackageUsage(); 1136 private final CompilerStats mCompilerStats = new CompilerStats(); 1137 1138 class PackageHandler extends Handler { 1139 private boolean mBound = false; 1140 final ArrayList<HandlerParams> mPendingInstalls = 1141 new ArrayList<HandlerParams>(); 1142 1143 private boolean connectToService() { 1144 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1145 " DefaultContainerService"); 1146 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1147 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1148 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1149 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1150 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1151 mBound = true; 1152 return true; 1153 } 1154 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1155 return false; 1156 } 1157 1158 private void disconnectService() { 1159 mContainerService = null; 1160 mBound = false; 1161 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1162 mContext.unbindService(mDefContainerConn); 1163 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1164 } 1165 1166 PackageHandler(Looper looper) { 1167 super(looper); 1168 } 1169 1170 public void handleMessage(Message msg) { 1171 try { 1172 doHandleMessage(msg); 1173 } finally { 1174 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1175 } 1176 } 1177 1178 void doHandleMessage(Message msg) { 1179 switch (msg.what) { 1180 case INIT_COPY: { 1181 HandlerParams params = (HandlerParams) msg.obj; 1182 int idx = mPendingInstalls.size(); 1183 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1184 // If a bind was already initiated we dont really 1185 // need to do anything. The pending install 1186 // will be processed later on. 1187 if (!mBound) { 1188 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1189 System.identityHashCode(mHandler)); 1190 // If this is the only one pending we might 1191 // have to bind to the service again. 1192 if (!connectToService()) { 1193 Slog.e(TAG, "Failed to bind to media container service"); 1194 params.serviceError(); 1195 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1196 System.identityHashCode(mHandler)); 1197 if (params.traceMethod != null) { 1198 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1199 params.traceCookie); 1200 } 1201 return; 1202 } else { 1203 // Once we bind to the service, the first 1204 // pending request will be processed. 1205 mPendingInstalls.add(idx, params); 1206 } 1207 } else { 1208 mPendingInstalls.add(idx, params); 1209 // Already bound to the service. Just make 1210 // sure we trigger off processing the first request. 1211 if (idx == 0) { 1212 mHandler.sendEmptyMessage(MCS_BOUND); 1213 } 1214 } 1215 break; 1216 } 1217 case MCS_BOUND: { 1218 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1219 if (msg.obj != null) { 1220 mContainerService = (IMediaContainerService) msg.obj; 1221 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1222 System.identityHashCode(mHandler)); 1223 } 1224 if (mContainerService == null) { 1225 if (!mBound) { 1226 // Something seriously wrong since we are not bound and we are not 1227 // waiting for connection. Bail out. 1228 Slog.e(TAG, "Cannot bind to media container service"); 1229 for (HandlerParams params : mPendingInstalls) { 1230 // Indicate service bind error 1231 params.serviceError(); 1232 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1233 System.identityHashCode(params)); 1234 if (params.traceMethod != null) { 1235 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1236 params.traceMethod, params.traceCookie); 1237 } 1238 return; 1239 } 1240 mPendingInstalls.clear(); 1241 } else { 1242 Slog.w(TAG, "Waiting to connect to media container service"); 1243 } 1244 } else if (mPendingInstalls.size() > 0) { 1245 HandlerParams params = mPendingInstalls.get(0); 1246 if (params != null) { 1247 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1248 System.identityHashCode(params)); 1249 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1250 if (params.startCopy()) { 1251 // We are done... look for more work or to 1252 // go idle. 1253 if (DEBUG_SD_INSTALL) Log.i(TAG, 1254 "Checking for more work or unbind..."); 1255 // Delete pending install 1256 if (mPendingInstalls.size() > 0) { 1257 mPendingInstalls.remove(0); 1258 } 1259 if (mPendingInstalls.size() == 0) { 1260 if (mBound) { 1261 if (DEBUG_SD_INSTALL) Log.i(TAG, 1262 "Posting delayed MCS_UNBIND"); 1263 removeMessages(MCS_UNBIND); 1264 Message ubmsg = obtainMessage(MCS_UNBIND); 1265 // Unbind after a little delay, to avoid 1266 // continual thrashing. 1267 sendMessageDelayed(ubmsg, 10000); 1268 } 1269 } else { 1270 // There are more pending requests in queue. 1271 // Just post MCS_BOUND message to trigger processing 1272 // of next pending install. 1273 if (DEBUG_SD_INSTALL) Log.i(TAG, 1274 "Posting MCS_BOUND for next work"); 1275 mHandler.sendEmptyMessage(MCS_BOUND); 1276 } 1277 } 1278 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1279 } 1280 } else { 1281 // Should never happen ideally. 1282 Slog.w(TAG, "Empty queue"); 1283 } 1284 break; 1285 } 1286 case MCS_RECONNECT: { 1287 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1288 if (mPendingInstalls.size() > 0) { 1289 if (mBound) { 1290 disconnectService(); 1291 } 1292 if (!connectToService()) { 1293 Slog.e(TAG, "Failed to bind to media container service"); 1294 for (HandlerParams params : mPendingInstalls) { 1295 // Indicate service bind error 1296 params.serviceError(); 1297 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1298 System.identityHashCode(params)); 1299 } 1300 mPendingInstalls.clear(); 1301 } 1302 } 1303 break; 1304 } 1305 case MCS_UNBIND: { 1306 // If there is no actual work left, then time to unbind. 1307 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1308 1309 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1310 if (mBound) { 1311 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1312 1313 disconnectService(); 1314 } 1315 } else if (mPendingInstalls.size() > 0) { 1316 // There are more pending requests in queue. 1317 // Just post MCS_BOUND message to trigger processing 1318 // of next pending install. 1319 mHandler.sendEmptyMessage(MCS_BOUND); 1320 } 1321 1322 break; 1323 } 1324 case MCS_GIVE_UP: { 1325 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1326 HandlerParams params = mPendingInstalls.remove(0); 1327 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1328 System.identityHashCode(params)); 1329 break; 1330 } 1331 case SEND_PENDING_BROADCAST: { 1332 String packages[]; 1333 ArrayList<String> components[]; 1334 int size = 0; 1335 int uids[]; 1336 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1337 synchronized (mPackages) { 1338 if (mPendingBroadcasts == null) { 1339 return; 1340 } 1341 size = mPendingBroadcasts.size(); 1342 if (size <= 0) { 1343 // Nothing to be done. Just return 1344 return; 1345 } 1346 packages = new String[size]; 1347 components = new ArrayList[size]; 1348 uids = new int[size]; 1349 int i = 0; // filling out the above arrays 1350 1351 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1352 int packageUserId = mPendingBroadcasts.userIdAt(n); 1353 Iterator<Map.Entry<String, ArrayList<String>>> it 1354 = mPendingBroadcasts.packagesForUserId(packageUserId) 1355 .entrySet().iterator(); 1356 while (it.hasNext() && i < size) { 1357 Map.Entry<String, ArrayList<String>> ent = it.next(); 1358 packages[i] = ent.getKey(); 1359 components[i] = ent.getValue(); 1360 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1361 uids[i] = (ps != null) 1362 ? UserHandle.getUid(packageUserId, ps.appId) 1363 : -1; 1364 i++; 1365 } 1366 } 1367 size = i; 1368 mPendingBroadcasts.clear(); 1369 } 1370 // Send broadcasts 1371 for (int i = 0; i < size; i++) { 1372 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1373 } 1374 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1375 break; 1376 } 1377 case START_CLEANING_PACKAGE: { 1378 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1379 final String packageName = (String)msg.obj; 1380 final int userId = msg.arg1; 1381 final boolean andCode = msg.arg2 != 0; 1382 synchronized (mPackages) { 1383 if (userId == UserHandle.USER_ALL) { 1384 int[] users = sUserManager.getUserIds(); 1385 for (int user : users) { 1386 mSettings.addPackageToCleanLPw( 1387 new PackageCleanItem(user, packageName, andCode)); 1388 } 1389 } else { 1390 mSettings.addPackageToCleanLPw( 1391 new PackageCleanItem(userId, packageName, andCode)); 1392 } 1393 } 1394 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1395 startCleaningPackages(); 1396 } break; 1397 case POST_INSTALL: { 1398 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1399 1400 PostInstallData data = mRunningInstalls.get(msg.arg1); 1401 final boolean didRestore = (msg.arg2 != 0); 1402 mRunningInstalls.delete(msg.arg1); 1403 1404 if (data != null) { 1405 InstallArgs args = data.args; 1406 PackageInstalledInfo parentRes = data.res; 1407 1408 final boolean grantPermissions = (args.installFlags 1409 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1410 final boolean killApp = (args.installFlags 1411 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1412 final String[] grantedPermissions = args.installGrantPermissions; 1413 1414 // Handle the parent package 1415 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1416 grantedPermissions, didRestore, args.installerPackageName, 1417 args.observer); 1418 1419 // Handle the child packages 1420 final int childCount = (parentRes.addedChildPackages != null) 1421 ? parentRes.addedChildPackages.size() : 0; 1422 for (int i = 0; i < childCount; i++) { 1423 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1424 handlePackagePostInstall(childRes, grantPermissions, killApp, 1425 grantedPermissions, false, args.installerPackageName, 1426 args.observer); 1427 } 1428 1429 // Log tracing if needed 1430 if (args.traceMethod != null) { 1431 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1432 args.traceCookie); 1433 } 1434 } else { 1435 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1436 } 1437 1438 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1439 } break; 1440 case UPDATED_MEDIA_STATUS: { 1441 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1442 boolean reportStatus = msg.arg1 == 1; 1443 boolean doGc = msg.arg2 == 1; 1444 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1445 if (doGc) { 1446 // Force a gc to clear up stale containers. 1447 Runtime.getRuntime().gc(); 1448 } 1449 if (msg.obj != null) { 1450 @SuppressWarnings("unchecked") 1451 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1452 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1453 // Unload containers 1454 unloadAllContainers(args); 1455 } 1456 if (reportStatus) { 1457 try { 1458 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1459 PackageHelper.getMountService().finishMediaUpdate(); 1460 } catch (RemoteException e) { 1461 Log.e(TAG, "MountService not running?"); 1462 } 1463 } 1464 } break; 1465 case WRITE_SETTINGS: { 1466 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1467 synchronized (mPackages) { 1468 removeMessages(WRITE_SETTINGS); 1469 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1470 mSettings.writeLPr(); 1471 mDirtyUsers.clear(); 1472 } 1473 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1474 } break; 1475 case WRITE_PACKAGE_RESTRICTIONS: { 1476 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1477 synchronized (mPackages) { 1478 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1479 for (int userId : mDirtyUsers) { 1480 mSettings.writePackageRestrictionsLPr(userId); 1481 } 1482 mDirtyUsers.clear(); 1483 } 1484 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1485 } break; 1486 case WRITE_PACKAGE_LIST: { 1487 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1488 synchronized (mPackages) { 1489 removeMessages(WRITE_PACKAGE_LIST); 1490 mSettings.writePackageListLPr(msg.arg1); 1491 } 1492 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1493 } break; 1494 case CHECK_PENDING_VERIFICATION: { 1495 final int verificationId = msg.arg1; 1496 final PackageVerificationState state = mPendingVerification.get(verificationId); 1497 1498 if ((state != null) && !state.timeoutExtended()) { 1499 final InstallArgs args = state.getInstallArgs(); 1500 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1501 1502 Slog.i(TAG, "Verification timed out for " + originUri); 1503 mPendingVerification.remove(verificationId); 1504 1505 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1506 1507 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1508 Slog.i(TAG, "Continuing with installation of " + originUri); 1509 state.setVerifierResponse(Binder.getCallingUid(), 1510 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1511 broadcastPackageVerified(verificationId, originUri, 1512 PackageManager.VERIFICATION_ALLOW, 1513 state.getInstallArgs().getUser()); 1514 try { 1515 ret = args.copyApk(mContainerService, true); 1516 } catch (RemoteException e) { 1517 Slog.e(TAG, "Could not contact the ContainerService"); 1518 } 1519 } else { 1520 broadcastPackageVerified(verificationId, originUri, 1521 PackageManager.VERIFICATION_REJECT, 1522 state.getInstallArgs().getUser()); 1523 } 1524 1525 Trace.asyncTraceEnd( 1526 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1527 1528 processPendingInstall(args, ret); 1529 mHandler.sendEmptyMessage(MCS_UNBIND); 1530 } 1531 break; 1532 } 1533 case PACKAGE_VERIFIED: { 1534 final int verificationId = msg.arg1; 1535 1536 final PackageVerificationState state = mPendingVerification.get(verificationId); 1537 if (state == null) { 1538 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1539 break; 1540 } 1541 1542 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1543 1544 state.setVerifierResponse(response.callerUid, response.code); 1545 1546 if (state.isVerificationComplete()) { 1547 mPendingVerification.remove(verificationId); 1548 1549 final InstallArgs args = state.getInstallArgs(); 1550 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1551 1552 int ret; 1553 if (state.isInstallAllowed()) { 1554 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1555 broadcastPackageVerified(verificationId, originUri, 1556 response.code, state.getInstallArgs().getUser()); 1557 try { 1558 ret = args.copyApk(mContainerService, true); 1559 } catch (RemoteException e) { 1560 Slog.e(TAG, "Could not contact the ContainerService"); 1561 } 1562 } else { 1563 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1564 } 1565 1566 Trace.asyncTraceEnd( 1567 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1568 1569 processPendingInstall(args, ret); 1570 mHandler.sendEmptyMessage(MCS_UNBIND); 1571 } 1572 1573 break; 1574 } 1575 case START_INTENT_FILTER_VERIFICATIONS: { 1576 IFVerificationParams params = (IFVerificationParams) msg.obj; 1577 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1578 params.replacing, params.pkg); 1579 break; 1580 } 1581 case INTENT_FILTER_VERIFIED: { 1582 final int verificationId = msg.arg1; 1583 1584 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1585 verificationId); 1586 if (state == null) { 1587 Slog.w(TAG, "Invalid IntentFilter verification token " 1588 + verificationId + " received"); 1589 break; 1590 } 1591 1592 final int userId = state.getUserId(); 1593 1594 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1595 "Processing IntentFilter verification with token:" 1596 + verificationId + " and userId:" + userId); 1597 1598 final IntentFilterVerificationResponse response = 1599 (IntentFilterVerificationResponse) msg.obj; 1600 1601 state.setVerifierResponse(response.callerUid, response.code); 1602 1603 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1604 "IntentFilter verification with token:" + verificationId 1605 + " and userId:" + userId 1606 + " is settings verifier response with response code:" 1607 + response.code); 1608 1609 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1610 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1611 + response.getFailedDomainsString()); 1612 } 1613 1614 if (state.isVerificationComplete()) { 1615 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1616 } else { 1617 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1618 "IntentFilter verification with token:" + verificationId 1619 + " was not said to be complete"); 1620 } 1621 1622 break; 1623 } 1624 } 1625 } 1626 } 1627 1628 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1629 boolean killApp, String[] grantedPermissions, 1630 boolean launchedForRestore, String installerPackage, 1631 IPackageInstallObserver2 installObserver) { 1632 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1633 // Send the removed broadcasts 1634 if (res.removedInfo != null) { 1635 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1636 } 1637 1638 // Now that we successfully installed the package, grant runtime 1639 // permissions if requested before broadcasting the install. 1640 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1641 >= Build.VERSION_CODES.M) { 1642 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1643 } 1644 1645 final boolean update = res.removedInfo != null 1646 && res.removedInfo.removedPackage != null; 1647 1648 // If this is the first time we have child packages for a disabled privileged 1649 // app that had no children, we grant requested runtime permissions to the new 1650 // children if the parent on the system image had them already granted. 1651 if (res.pkg.parentPackage != null) { 1652 synchronized (mPackages) { 1653 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1654 } 1655 } 1656 1657 synchronized (mPackages) { 1658 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1659 } 1660 1661 final String packageName = res.pkg.applicationInfo.packageName; 1662 Bundle extras = new Bundle(1); 1663 extras.putInt(Intent.EXTRA_UID, res.uid); 1664 1665 // Determine the set of users who are adding this package for 1666 // the first time vs. those who are seeing an update. 1667 int[] firstUsers = EMPTY_INT_ARRAY; 1668 int[] updateUsers = EMPTY_INT_ARRAY; 1669 if (res.origUsers == null || res.origUsers.length == 0) { 1670 firstUsers = res.newUsers; 1671 } else { 1672 for (int newUser : res.newUsers) { 1673 boolean isNew = true; 1674 for (int origUser : res.origUsers) { 1675 if (origUser == newUser) { 1676 isNew = false; 1677 break; 1678 } 1679 } 1680 if (isNew) { 1681 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1682 } else { 1683 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1684 } 1685 } 1686 } 1687 1688 // Send installed broadcasts if the install/update is not ephemeral 1689 if (!isEphemeral(res.pkg)) { 1690 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1691 1692 // Send added for users that see the package for the first time 1693 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1694 extras, 0 /*flags*/, null /*targetPackage*/, 1695 null /*finishedReceiver*/, firstUsers); 1696 1697 // Send added for users that don't see the package for the first time 1698 if (update) { 1699 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1700 } 1701 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1702 extras, 0 /*flags*/, null /*targetPackage*/, 1703 null /*finishedReceiver*/, updateUsers); 1704 1705 // Send replaced for users that don't see the package for the first time 1706 if (update) { 1707 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1708 packageName, extras, 0 /*flags*/, 1709 null /*targetPackage*/, null /*finishedReceiver*/, 1710 updateUsers); 1711 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1712 null /*package*/, null /*extras*/, 0 /*flags*/, 1713 packageName /*targetPackage*/, 1714 null /*finishedReceiver*/, updateUsers); 1715 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1716 // First-install and we did a restore, so we're responsible for the 1717 // first-launch broadcast. 1718 if (DEBUG_BACKUP) { 1719 Slog.i(TAG, "Post-restore of " + packageName 1720 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1721 } 1722 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1723 } 1724 1725 // Send broadcast package appeared if forward locked/external for all users 1726 // treat asec-hosted packages like removable media on upgrade 1727 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1728 if (DEBUG_INSTALL) { 1729 Slog.i(TAG, "upgrading pkg " + res.pkg 1730 + " is ASEC-hosted -> AVAILABLE"); 1731 } 1732 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1733 ArrayList<String> pkgList = new ArrayList<>(1); 1734 pkgList.add(packageName); 1735 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1736 } 1737 } 1738 1739 // Work that needs to happen on first install within each user 1740 if (firstUsers != null && firstUsers.length > 0) { 1741 synchronized (mPackages) { 1742 for (int userId : firstUsers) { 1743 // If this app is a browser and it's newly-installed for some 1744 // users, clear any default-browser state in those users. The 1745 // app's nature doesn't depend on the user, so we can just check 1746 // its browser nature in any user and generalize. 1747 if (packageIsBrowser(packageName, userId)) { 1748 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1749 } 1750 1751 // We may also need to apply pending (restored) runtime 1752 // permission grants within these users. 1753 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1754 } 1755 } 1756 } 1757 1758 // Log current value of "unknown sources" setting 1759 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1760 getUnknownSourcesSettings()); 1761 1762 // Force a gc to clear up things 1763 Runtime.getRuntime().gc(); 1764 1765 // Remove the replaced package's older resources safely now 1766 // We delete after a gc for applications on sdcard. 1767 if (res.removedInfo != null && res.removedInfo.args != null) { 1768 synchronized (mInstallLock) { 1769 res.removedInfo.args.doPostDeleteLI(true); 1770 } 1771 } 1772 } 1773 1774 // If someone is watching installs - notify them 1775 if (installObserver != null) { 1776 try { 1777 Bundle extras = extrasForInstallResult(res); 1778 installObserver.onPackageInstalled(res.name, res.returnCode, 1779 res.returnMsg, extras); 1780 } catch (RemoteException e) { 1781 Slog.i(TAG, "Observer no longer exists."); 1782 } 1783 } 1784 } 1785 1786 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1787 PackageParser.Package pkg) { 1788 if (pkg.parentPackage == null) { 1789 return; 1790 } 1791 if (pkg.requestedPermissions == null) { 1792 return; 1793 } 1794 final PackageSetting disabledSysParentPs = mSettings 1795 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1796 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1797 || !disabledSysParentPs.isPrivileged() 1798 || (disabledSysParentPs.childPackageNames != null 1799 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1800 return; 1801 } 1802 final int[] allUserIds = sUserManager.getUserIds(); 1803 final int permCount = pkg.requestedPermissions.size(); 1804 for (int i = 0; i < permCount; i++) { 1805 String permission = pkg.requestedPermissions.get(i); 1806 BasePermission bp = mSettings.mPermissions.get(permission); 1807 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1808 continue; 1809 } 1810 for (int userId : allUserIds) { 1811 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1812 permission, userId)) { 1813 grantRuntimePermission(pkg.packageName, permission, userId); 1814 } 1815 } 1816 } 1817 } 1818 1819 private StorageEventListener mStorageListener = new StorageEventListener() { 1820 @Override 1821 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1822 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1823 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1824 final String volumeUuid = vol.getFsUuid(); 1825 1826 // Clean up any users or apps that were removed or recreated 1827 // while this volume was missing 1828 reconcileUsers(volumeUuid); 1829 reconcileApps(volumeUuid); 1830 1831 // Clean up any install sessions that expired or were 1832 // cancelled while this volume was missing 1833 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1834 1835 loadPrivatePackages(vol); 1836 1837 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1838 unloadPrivatePackages(vol); 1839 } 1840 } 1841 1842 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1843 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1844 updateExternalMediaStatus(true, false); 1845 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1846 updateExternalMediaStatus(false, false); 1847 } 1848 } 1849 } 1850 1851 @Override 1852 public void onVolumeForgotten(String fsUuid) { 1853 if (TextUtils.isEmpty(fsUuid)) { 1854 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1855 return; 1856 } 1857 1858 // Remove any apps installed on the forgotten volume 1859 synchronized (mPackages) { 1860 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1861 for (PackageSetting ps : packages) { 1862 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1863 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1864 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1865 } 1866 1867 mSettings.onVolumeForgotten(fsUuid); 1868 mSettings.writeLPr(); 1869 } 1870 } 1871 }; 1872 1873 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1874 String[] grantedPermissions) { 1875 for (int userId : userIds) { 1876 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1877 } 1878 1879 // We could have touched GID membership, so flush out packages.list 1880 synchronized (mPackages) { 1881 mSettings.writePackageListLPr(); 1882 } 1883 } 1884 1885 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1886 String[] grantedPermissions) { 1887 SettingBase sb = (SettingBase) pkg.mExtras; 1888 if (sb == null) { 1889 return; 1890 } 1891 1892 PermissionsState permissionsState = sb.getPermissionsState(); 1893 1894 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1895 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1896 1897 for (String permission : pkg.requestedPermissions) { 1898 final BasePermission bp; 1899 synchronized (mPackages) { 1900 bp = mSettings.mPermissions.get(permission); 1901 } 1902 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1903 && (grantedPermissions == null 1904 || ArrayUtils.contains(grantedPermissions, permission))) { 1905 final int flags = permissionsState.getPermissionFlags(permission, userId); 1906 // Installer cannot change immutable permissions. 1907 if ((flags & immutableFlags) == 0) { 1908 grantRuntimePermission(pkg.packageName, permission, userId); 1909 } 1910 } 1911 } 1912 } 1913 1914 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1915 Bundle extras = null; 1916 switch (res.returnCode) { 1917 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1918 extras = new Bundle(); 1919 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1920 res.origPermission); 1921 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1922 res.origPackage); 1923 break; 1924 } 1925 case PackageManager.INSTALL_SUCCEEDED: { 1926 extras = new Bundle(); 1927 extras.putBoolean(Intent.EXTRA_REPLACING, 1928 res.removedInfo != null && res.removedInfo.removedPackage != null); 1929 break; 1930 } 1931 } 1932 return extras; 1933 } 1934 1935 void scheduleWriteSettingsLocked() { 1936 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1937 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1938 } 1939 } 1940 1941 void scheduleWritePackageListLocked(int userId) { 1942 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1943 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1944 msg.arg1 = userId; 1945 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1946 } 1947 } 1948 1949 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1950 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1951 scheduleWritePackageRestrictionsLocked(userId); 1952 } 1953 1954 void scheduleWritePackageRestrictionsLocked(int userId) { 1955 final int[] userIds = (userId == UserHandle.USER_ALL) 1956 ? sUserManager.getUserIds() : new int[]{userId}; 1957 for (int nextUserId : userIds) { 1958 if (!sUserManager.exists(nextUserId)) return; 1959 mDirtyUsers.add(nextUserId); 1960 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1961 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1962 } 1963 } 1964 } 1965 1966 public static PackageManagerService main(Context context, Installer installer, 1967 boolean factoryTest, boolean onlyCore) { 1968 // Self-check for initial settings. 1969 PackageManagerServiceCompilerMapping.checkProperties(); 1970 1971 PackageManagerService m = new PackageManagerService(context, installer, 1972 factoryTest, onlyCore); 1973 m.enableSystemUserPackages(); 1974 ServiceManager.addService("package", m); 1975 return m; 1976 } 1977 1978 private void enableSystemUserPackages() { 1979 if (!UserManager.isSplitSystemUser()) { 1980 return; 1981 } 1982 // For system user, enable apps based on the following conditions: 1983 // - app is whitelisted or belong to one of these groups: 1984 // -- system app which has no launcher icons 1985 // -- system app which has INTERACT_ACROSS_USERS permission 1986 // -- system IME app 1987 // - app is not in the blacklist 1988 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1989 Set<String> enableApps = new ArraySet<>(); 1990 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1991 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1992 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1993 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1994 enableApps.addAll(wlApps); 1995 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1996 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1997 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1998 enableApps.removeAll(blApps); 1999 Log.i(TAG, "Applications installed for system user: " + enableApps); 2000 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2001 UserHandle.SYSTEM); 2002 final int allAppsSize = allAps.size(); 2003 synchronized (mPackages) { 2004 for (int i = 0; i < allAppsSize; i++) { 2005 String pName = allAps.get(i); 2006 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2007 // Should not happen, but we shouldn't be failing if it does 2008 if (pkgSetting == null) { 2009 continue; 2010 } 2011 boolean install = enableApps.contains(pName); 2012 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2013 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2014 + " for system user"); 2015 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2016 } 2017 } 2018 } 2019 } 2020 2021 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2022 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2023 Context.DISPLAY_SERVICE); 2024 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2025 } 2026 2027 /** 2028 * Requests that files preopted on a secondary system partition be copied to the data partition 2029 * if possible. Note that the actual copying of the files is accomplished by init for security 2030 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2031 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2032 */ 2033 private static void requestCopyPreoptedFiles() { 2034 final int WAIT_TIME_MS = 100; 2035 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2036 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2037 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2038 // We will wait for up to 100 seconds. 2039 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2040 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2041 try { 2042 Thread.sleep(WAIT_TIME_MS); 2043 } catch (InterruptedException e) { 2044 // Do nothing 2045 } 2046 if (SystemClock.uptimeMillis() > timeEnd) { 2047 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2048 Slog.wtf(TAG, "cppreopt did not finish!"); 2049 break; 2050 } 2051 } 2052 } 2053 } 2054 2055 public PackageManagerService(Context context, Installer installer, 2056 boolean factoryTest, boolean onlyCore) { 2057 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2058 SystemClock.uptimeMillis()); 2059 2060 if (mSdkVersion <= 0) { 2061 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2062 } 2063 2064 mContext = context; 2065 mFactoryTest = factoryTest; 2066 mOnlyCore = onlyCore; 2067 mMetrics = new DisplayMetrics(); 2068 mSettings = new Settings(mPackages); 2069 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2070 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2071 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2072 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2073 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2074 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2075 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2076 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2077 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2078 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2079 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2080 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2081 2082 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2083 if (separateProcesses != null && separateProcesses.length() > 0) { 2084 if ("*".equals(separateProcesses)) { 2085 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2086 mSeparateProcesses = null; 2087 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2088 } else { 2089 mDefParseFlags = 0; 2090 mSeparateProcesses = separateProcesses.split(","); 2091 Slog.w(TAG, "Running with debug.separate_processes: " 2092 + separateProcesses); 2093 } 2094 } else { 2095 mDefParseFlags = 0; 2096 mSeparateProcesses = null; 2097 } 2098 2099 mInstaller = installer; 2100 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2101 "*dexopt*"); 2102 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2103 2104 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2105 FgThread.get().getLooper()); 2106 2107 getDefaultDisplayMetrics(context, mMetrics); 2108 2109 SystemConfig systemConfig = SystemConfig.getInstance(); 2110 mGlobalGids = systemConfig.getGlobalGids(); 2111 mSystemPermissions = systemConfig.getSystemPermissions(); 2112 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2113 2114 mProtectedPackages = new ProtectedPackages(mContext); 2115 2116 synchronized (mInstallLock) { 2117 // writer 2118 synchronized (mPackages) { 2119 mHandlerThread = new ServiceThread(TAG, 2120 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2121 mHandlerThread.start(); 2122 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2123 mProcessLoggingHandler = new ProcessLoggingHandler(); 2124 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2125 2126 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2127 2128 File dataDir = Environment.getDataDirectory(); 2129 mAppInstallDir = new File(dataDir, "app"); 2130 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2131 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2132 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2133 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2134 2135 sUserManager = new UserManagerService(context, this, mPackages); 2136 2137 // Propagate permission configuration in to package manager. 2138 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2139 = systemConfig.getPermissions(); 2140 for (int i=0; i<permConfig.size(); i++) { 2141 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2142 BasePermission bp = mSettings.mPermissions.get(perm.name); 2143 if (bp == null) { 2144 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2145 mSettings.mPermissions.put(perm.name, bp); 2146 } 2147 if (perm.gids != null) { 2148 bp.setGids(perm.gids, perm.perUser); 2149 } 2150 } 2151 2152 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2153 for (int i=0; i<libConfig.size(); i++) { 2154 mSharedLibraries.put(libConfig.keyAt(i), 2155 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2156 } 2157 2158 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2159 2160 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2161 2162 if (mFirstBoot) { 2163 requestCopyPreoptedFiles(); 2164 } 2165 2166 String customResolverActivity = Resources.getSystem().getString( 2167 R.string.config_customResolverActivity); 2168 if (TextUtils.isEmpty(customResolverActivity)) { 2169 customResolverActivity = null; 2170 } else { 2171 mCustomResolverComponentName = ComponentName.unflattenFromString( 2172 customResolverActivity); 2173 } 2174 2175 long startTime = SystemClock.uptimeMillis(); 2176 2177 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2178 startTime); 2179 2180 // Set flag to monitor and not change apk file paths when 2181 // scanning install directories. 2182 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2183 2184 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2185 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2186 2187 if (bootClassPath == null) { 2188 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2189 } 2190 2191 if (systemServerClassPath == null) { 2192 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2193 } 2194 2195 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2196 final String[] dexCodeInstructionSets = 2197 getDexCodeInstructionSets( 2198 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2199 2200 /** 2201 * Ensure all external libraries have had dexopt run on them. 2202 */ 2203 if (mSharedLibraries.size() > 0) { 2204 // NOTE: For now, we're compiling these system "shared libraries" 2205 // (and framework jars) into all available architectures. It's possible 2206 // to compile them only when we come across an app that uses them (there's 2207 // already logic for that in scanPackageLI) but that adds some complexity. 2208 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2209 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2210 final String lib = libEntry.path; 2211 if (lib == null) { 2212 continue; 2213 } 2214 2215 try { 2216 // Shared libraries do not have profiles so we perform a full 2217 // AOT compilation (if needed). 2218 int dexoptNeeded = DexFile.getDexOptNeeded( 2219 lib, dexCodeInstructionSet, 2220 getCompilerFilterForReason(REASON_SHARED_APK), 2221 false /* newProfile */); 2222 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2223 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2224 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2225 getCompilerFilterForReason(REASON_SHARED_APK), 2226 StorageManager.UUID_PRIVATE_INTERNAL, 2227 SKIP_SHARED_LIBRARY_CHECK); 2228 } 2229 } catch (FileNotFoundException e) { 2230 Slog.w(TAG, "Library not found: " + lib); 2231 } catch (IOException | InstallerException e) { 2232 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2233 + e.getMessage()); 2234 } 2235 } 2236 } 2237 } 2238 2239 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2240 2241 final VersionInfo ver = mSettings.getInternalVersion(); 2242 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2243 2244 // when upgrading from pre-M, promote system app permissions from install to runtime 2245 mPromoteSystemApps = 2246 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2247 2248 // When upgrading from pre-N, we need to handle package extraction like first boot, 2249 // as there is no profiling data available. 2250 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2251 2252 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2253 2254 // save off the names of pre-existing system packages prior to scanning; we don't 2255 // want to automatically grant runtime permissions for new system apps 2256 if (mPromoteSystemApps) { 2257 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2258 while (pkgSettingIter.hasNext()) { 2259 PackageSetting ps = pkgSettingIter.next(); 2260 if (isSystemApp(ps)) { 2261 mExistingSystemPackages.add(ps.name); 2262 } 2263 } 2264 } 2265 2266 // Collect vendor overlay packages. 2267 // (Do this before scanning any apps.) 2268 // For security and version matching reason, only consider 2269 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2270 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2271 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2272 | PackageParser.PARSE_IS_SYSTEM 2273 | PackageParser.PARSE_IS_SYSTEM_DIR 2274 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2275 2276 // Find base frameworks (resource packages without code). 2277 scanDirTracedLI(frameworkDir, mDefParseFlags 2278 | PackageParser.PARSE_IS_SYSTEM 2279 | PackageParser.PARSE_IS_SYSTEM_DIR 2280 | PackageParser.PARSE_IS_PRIVILEGED, 2281 scanFlags | SCAN_NO_DEX, 0); 2282 2283 // Collected privileged system packages. 2284 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2285 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2286 | PackageParser.PARSE_IS_SYSTEM 2287 | PackageParser.PARSE_IS_SYSTEM_DIR 2288 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2289 2290 // Collect ordinary system packages. 2291 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2292 scanDirTracedLI(systemAppDir, mDefParseFlags 2293 | PackageParser.PARSE_IS_SYSTEM 2294 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2295 2296 // Collect all vendor packages. 2297 File vendorAppDir = new File("/vendor/app"); 2298 try { 2299 vendorAppDir = vendorAppDir.getCanonicalFile(); 2300 } catch (IOException e) { 2301 // failed to look up canonical path, continue with original one 2302 } 2303 scanDirTracedLI(vendorAppDir, mDefParseFlags 2304 | PackageParser.PARSE_IS_SYSTEM 2305 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2306 2307 // Collect all OEM packages. 2308 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2309 scanDirTracedLI(oemAppDir, mDefParseFlags 2310 | PackageParser.PARSE_IS_SYSTEM 2311 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2312 2313 // Prune any system packages that no longer exist. 2314 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2315 if (!mOnlyCore) { 2316 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2317 while (psit.hasNext()) { 2318 PackageSetting ps = psit.next(); 2319 2320 /* 2321 * If this is not a system app, it can't be a 2322 * disable system app. 2323 */ 2324 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2325 continue; 2326 } 2327 2328 /* 2329 * If the package is scanned, it's not erased. 2330 */ 2331 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2332 if (scannedPkg != null) { 2333 /* 2334 * If the system app is both scanned and in the 2335 * disabled packages list, then it must have been 2336 * added via OTA. Remove it from the currently 2337 * scanned package so the previously user-installed 2338 * application can be scanned. 2339 */ 2340 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2341 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2342 + ps.name + "; removing system app. Last known codePath=" 2343 + ps.codePathString + ", installStatus=" + ps.installStatus 2344 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2345 + scannedPkg.mVersionCode); 2346 removePackageLI(scannedPkg, true); 2347 mExpectingBetter.put(ps.name, ps.codePath); 2348 } 2349 2350 continue; 2351 } 2352 2353 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2354 psit.remove(); 2355 logCriticalInfo(Log.WARN, "System package " + ps.name 2356 + " no longer exists; it's data will be wiped"); 2357 // Actual deletion of code and data will be handled by later 2358 // reconciliation step 2359 } else { 2360 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2361 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2362 possiblyDeletedUpdatedSystemApps.add(ps.name); 2363 } 2364 } 2365 } 2366 } 2367 2368 //look for any incomplete package installations 2369 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2370 for (int i = 0; i < deletePkgsList.size(); i++) { 2371 // Actual deletion of code and data will be handled by later 2372 // reconciliation step 2373 final String packageName = deletePkgsList.get(i).name; 2374 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2375 synchronized (mPackages) { 2376 mSettings.removePackageLPw(packageName); 2377 } 2378 } 2379 2380 //delete tmp files 2381 deleteTempPackageFiles(); 2382 2383 // Remove any shared userIDs that have no associated packages 2384 mSettings.pruneSharedUsersLPw(); 2385 2386 if (!mOnlyCore) { 2387 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2388 SystemClock.uptimeMillis()); 2389 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2390 2391 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2392 | PackageParser.PARSE_FORWARD_LOCK, 2393 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2394 2395 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2396 | PackageParser.PARSE_IS_EPHEMERAL, 2397 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2398 2399 /** 2400 * Remove disable package settings for any updated system 2401 * apps that were removed via an OTA. If they're not a 2402 * previously-updated app, remove them completely. 2403 * Otherwise, just revoke their system-level permissions. 2404 */ 2405 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2406 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2407 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2408 2409 String msg; 2410 if (deletedPkg == null) { 2411 msg = "Updated system package " + deletedAppName 2412 + " no longer exists; it's data will be wiped"; 2413 // Actual deletion of code and data will be handled by later 2414 // reconciliation step 2415 } else { 2416 msg = "Updated system app + " + deletedAppName 2417 + " no longer present; removing system privileges for " 2418 + deletedAppName; 2419 2420 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2421 2422 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2423 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2424 } 2425 logCriticalInfo(Log.WARN, msg); 2426 } 2427 2428 /** 2429 * Make sure all system apps that we expected to appear on 2430 * the userdata partition actually showed up. If they never 2431 * appeared, crawl back and revive the system version. 2432 */ 2433 for (int i = 0; i < mExpectingBetter.size(); i++) { 2434 final String packageName = mExpectingBetter.keyAt(i); 2435 if (!mPackages.containsKey(packageName)) { 2436 final File scanFile = mExpectingBetter.valueAt(i); 2437 2438 logCriticalInfo(Log.WARN, "Expected better " + packageName 2439 + " but never showed up; reverting to system"); 2440 2441 int reparseFlags = mDefParseFlags; 2442 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2443 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2444 | PackageParser.PARSE_IS_SYSTEM_DIR 2445 | PackageParser.PARSE_IS_PRIVILEGED; 2446 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2447 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2448 | PackageParser.PARSE_IS_SYSTEM_DIR; 2449 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2450 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2451 | PackageParser.PARSE_IS_SYSTEM_DIR; 2452 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2453 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2454 | PackageParser.PARSE_IS_SYSTEM_DIR; 2455 } else { 2456 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2457 continue; 2458 } 2459 2460 mSettings.enableSystemPackageLPw(packageName); 2461 2462 try { 2463 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2464 } catch (PackageManagerException e) { 2465 Slog.e(TAG, "Failed to parse original system package: " 2466 + e.getMessage()); 2467 } 2468 } 2469 } 2470 } 2471 mExpectingBetter.clear(); 2472 2473 // Resolve the storage manager. 2474 mStorageManagerPackage = getStorageManagerPackageName(); 2475 2476 // Resolve protected action filters. Only the setup wizard is allowed to 2477 // have a high priority filter for these actions. 2478 mSetupWizardPackage = getSetupWizardPackageName(); 2479 if (mProtectedFilters.size() > 0) { 2480 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2481 Slog.i(TAG, "No setup wizard;" 2482 + " All protected intents capped to priority 0"); 2483 } 2484 for (ActivityIntentInfo filter : mProtectedFilters) { 2485 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2486 if (DEBUG_FILTERS) { 2487 Slog.i(TAG, "Found setup wizard;" 2488 + " allow priority " + filter.getPriority() + ";" 2489 + " package: " + filter.activity.info.packageName 2490 + " activity: " + filter.activity.className 2491 + " priority: " + filter.getPriority()); 2492 } 2493 // skip setup wizard; allow it to keep the high priority filter 2494 continue; 2495 } 2496 Slog.w(TAG, "Protected action; cap priority to 0;" 2497 + " package: " + filter.activity.info.packageName 2498 + " activity: " + filter.activity.className 2499 + " origPrio: " + filter.getPriority()); 2500 filter.setPriority(0); 2501 } 2502 } 2503 mDeferProtectedFilters = false; 2504 mProtectedFilters.clear(); 2505 2506 // Now that we know all of the shared libraries, update all clients to have 2507 // the correct library paths. 2508 updateAllSharedLibrariesLPw(); 2509 2510 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2511 // NOTE: We ignore potential failures here during a system scan (like 2512 // the rest of the commands above) because there's precious little we 2513 // can do about it. A settings error is reported, though. 2514 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2515 false /* boot complete */); 2516 } 2517 2518 // Now that we know all the packages we are keeping, 2519 // read and update their last usage times. 2520 mPackageUsage.read(mPackages); 2521 mCompilerStats.read(); 2522 2523 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2524 SystemClock.uptimeMillis()); 2525 Slog.i(TAG, "Time to scan packages: " 2526 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2527 + " seconds"); 2528 2529 // If the platform SDK has changed since the last time we booted, 2530 // we need to re-grant app permission to catch any new ones that 2531 // appear. This is really a hack, and means that apps can in some 2532 // cases get permissions that the user didn't initially explicitly 2533 // allow... it would be nice to have some better way to handle 2534 // this situation. 2535 int updateFlags = UPDATE_PERMISSIONS_ALL; 2536 if (ver.sdkVersion != mSdkVersion) { 2537 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2538 + mSdkVersion + "; regranting permissions for internal storage"); 2539 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2540 } 2541 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2542 ver.sdkVersion = mSdkVersion; 2543 2544 // If this is the first boot or an update from pre-M, and it is a normal 2545 // boot, then we need to initialize the default preferred apps across 2546 // all defined users. 2547 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2548 for (UserInfo user : sUserManager.getUsers(true)) { 2549 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2550 applyFactoryDefaultBrowserLPw(user.id); 2551 primeDomainVerificationsLPw(user.id); 2552 } 2553 } 2554 2555 // Prepare storage for system user really early during boot, 2556 // since core system apps like SettingsProvider and SystemUI 2557 // can't wait for user to start 2558 final int storageFlags; 2559 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2560 storageFlags = StorageManager.FLAG_STORAGE_DE; 2561 } else { 2562 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2563 } 2564 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2565 storageFlags); 2566 2567 // If this is first boot after an OTA, and a normal boot, then 2568 // we need to clear code cache directories. 2569 // Note that we do *not* clear the application profiles. These remain valid 2570 // across OTAs and are used to drive profile verification (post OTA) and 2571 // profile compilation (without waiting to collect a fresh set of profiles). 2572 if (mIsUpgrade && !onlyCore) { 2573 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2574 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2575 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2576 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2577 // No apps are running this early, so no need to freeze 2578 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2579 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2580 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2581 } 2582 } 2583 ver.fingerprint = Build.FINGERPRINT; 2584 } 2585 2586 checkDefaultBrowser(); 2587 2588 // clear only after permissions and other defaults have been updated 2589 mExistingSystemPackages.clear(); 2590 mPromoteSystemApps = false; 2591 2592 // All the changes are done during package scanning. 2593 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2594 2595 // can downgrade to reader 2596 mSettings.writeLPr(); 2597 2598 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2599 // early on (before the package manager declares itself as early) because other 2600 // components in the system server might ask for package contexts for these apps. 2601 // 2602 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2603 // (i.e, that the data partition is unavailable). 2604 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2605 long start = System.nanoTime(); 2606 List<PackageParser.Package> coreApps = new ArrayList<>(); 2607 for (PackageParser.Package pkg : mPackages.values()) { 2608 if (pkg.coreApp) { 2609 coreApps.add(pkg); 2610 } 2611 } 2612 2613 int[] stats = performDexOptUpgrade(coreApps, false, 2614 getCompilerFilterForReason(REASON_CORE_APP)); 2615 2616 final int elapsedTimeSeconds = 2617 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2618 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2619 2620 if (DEBUG_DEXOPT) { 2621 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2622 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2623 } 2624 2625 2626 // TODO: Should we log these stats to tron too ? 2627 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2628 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2629 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2630 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2631 } 2632 2633 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2634 SystemClock.uptimeMillis()); 2635 2636 if (!mOnlyCore) { 2637 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2638 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2639 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2640 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2641 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2642 mIntentFilterVerifierComponent); 2643 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2644 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2645 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2646 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2647 } else { 2648 mRequiredVerifierPackage = null; 2649 mRequiredInstallerPackage = null; 2650 mRequiredUninstallerPackage = null; 2651 mIntentFilterVerifierComponent = null; 2652 mIntentFilterVerifier = null; 2653 mServicesSystemSharedLibraryPackageName = null; 2654 mSharedSystemSharedLibraryPackageName = null; 2655 } 2656 2657 mInstallerService = new PackageInstallerService(context, this); 2658 2659 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2660 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2661 // both the installer and resolver must be present to enable ephemeral 2662 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2663 if (DEBUG_EPHEMERAL) { 2664 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2665 + " installer:" + ephemeralInstallerComponent); 2666 } 2667 mEphemeralResolverComponent = ephemeralResolverComponent; 2668 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2669 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2670 mEphemeralResolverConnection = 2671 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2672 } else { 2673 if (DEBUG_EPHEMERAL) { 2674 final String missingComponent = 2675 (ephemeralResolverComponent == null) 2676 ? (ephemeralInstallerComponent == null) 2677 ? "resolver and installer" 2678 : "resolver" 2679 : "installer"; 2680 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2681 } 2682 mEphemeralResolverComponent = null; 2683 mEphemeralInstallerComponent = null; 2684 mEphemeralResolverConnection = null; 2685 } 2686 2687 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2688 } // synchronized (mPackages) 2689 } // synchronized (mInstallLock) 2690 2691 // Now after opening every single application zip, make sure they 2692 // are all flushed. Not really needed, but keeps things nice and 2693 // tidy. 2694 Runtime.getRuntime().gc(); 2695 2696 // The initial scanning above does many calls into installd while 2697 // holding the mPackages lock, but we're mostly interested in yelling 2698 // once we have a booted system. 2699 mInstaller.setWarnIfHeld(mPackages); 2700 2701 // Expose private service for system components to use. 2702 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2703 } 2704 2705 @Override 2706 public boolean isFirstBoot() { 2707 return mFirstBoot; 2708 } 2709 2710 @Override 2711 public boolean isOnlyCoreApps() { 2712 return mOnlyCore; 2713 } 2714 2715 @Override 2716 public boolean isUpgrade() { 2717 return mIsUpgrade; 2718 } 2719 2720 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2721 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2722 2723 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2724 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2725 UserHandle.USER_SYSTEM); 2726 if (matches.size() == 1) { 2727 return matches.get(0).getComponentInfo().packageName; 2728 } else if (matches.size() == 0) { 2729 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2730 return null; 2731 } 2732 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2733 } 2734 2735 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2736 synchronized (mPackages) { 2737 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2738 if (libraryEntry == null) { 2739 throw new IllegalStateException("Missing required shared library:" + libraryName); 2740 } 2741 return libraryEntry.apk; 2742 } 2743 } 2744 2745 private @NonNull String getRequiredInstallerLPr() { 2746 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2747 intent.addCategory(Intent.CATEGORY_DEFAULT); 2748 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2749 2750 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2751 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2752 UserHandle.USER_SYSTEM); 2753 if (matches.size() == 1) { 2754 ResolveInfo resolveInfo = matches.get(0); 2755 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2756 throw new RuntimeException("The installer must be a privileged app"); 2757 } 2758 return matches.get(0).getComponentInfo().packageName; 2759 } else { 2760 throw new RuntimeException("There must be exactly one installer; found " + matches); 2761 } 2762 } 2763 2764 private @NonNull String getRequiredUninstallerLPr() { 2765 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2766 intent.addCategory(Intent.CATEGORY_DEFAULT); 2767 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2768 2769 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2770 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2771 UserHandle.USER_SYSTEM); 2772 if (resolveInfo == null || 2773 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2774 throw new RuntimeException("There must be exactly one uninstaller; found " 2775 + resolveInfo); 2776 } 2777 return resolveInfo.getComponentInfo().packageName; 2778 } 2779 2780 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2781 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2782 2783 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2784 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2785 UserHandle.USER_SYSTEM); 2786 ResolveInfo best = null; 2787 final int N = matches.size(); 2788 for (int i = 0; i < N; i++) { 2789 final ResolveInfo cur = matches.get(i); 2790 final String packageName = cur.getComponentInfo().packageName; 2791 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2792 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2793 continue; 2794 } 2795 2796 if (best == null || cur.priority > best.priority) { 2797 best = cur; 2798 } 2799 } 2800 2801 if (best != null) { 2802 return best.getComponentInfo().getComponentName(); 2803 } else { 2804 throw new RuntimeException("There must be at least one intent filter verifier"); 2805 } 2806 } 2807 2808 private @Nullable ComponentName getEphemeralResolverLPr() { 2809 final String[] packageArray = 2810 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2811 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2812 if (DEBUG_EPHEMERAL) { 2813 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2814 } 2815 return null; 2816 } 2817 2818 final int resolveFlags = 2819 MATCH_DIRECT_BOOT_AWARE 2820 | MATCH_DIRECT_BOOT_UNAWARE 2821 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2822 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2823 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2824 resolveFlags, UserHandle.USER_SYSTEM); 2825 2826 final int N = resolvers.size(); 2827 if (N == 0) { 2828 if (DEBUG_EPHEMERAL) { 2829 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2830 } 2831 return null; 2832 } 2833 2834 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2835 for (int i = 0; i < N; i++) { 2836 final ResolveInfo info = resolvers.get(i); 2837 2838 if (info.serviceInfo == null) { 2839 continue; 2840 } 2841 2842 final String packageName = info.serviceInfo.packageName; 2843 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2844 if (DEBUG_EPHEMERAL) { 2845 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2846 + " pkg: " + packageName + ", info:" + info); 2847 } 2848 continue; 2849 } 2850 2851 if (DEBUG_EPHEMERAL) { 2852 Slog.v(TAG, "Ephemeral resolver found;" 2853 + " pkg: " + packageName + ", info:" + info); 2854 } 2855 return new ComponentName(packageName, info.serviceInfo.name); 2856 } 2857 if (DEBUG_EPHEMERAL) { 2858 Slog.v(TAG, "Ephemeral resolver NOT found"); 2859 } 2860 return null; 2861 } 2862 2863 private @Nullable ComponentName getEphemeralInstallerLPr() { 2864 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2865 intent.addCategory(Intent.CATEGORY_DEFAULT); 2866 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2867 2868 final int resolveFlags = 2869 MATCH_DIRECT_BOOT_AWARE 2870 | MATCH_DIRECT_BOOT_UNAWARE 2871 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2872 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2873 resolveFlags, UserHandle.USER_SYSTEM); 2874 if (matches.size() == 0) { 2875 return null; 2876 } else if (matches.size() == 1) { 2877 return matches.get(0).getComponentInfo().getComponentName(); 2878 } else { 2879 throw new RuntimeException( 2880 "There must be at most one ephemeral installer; found " + matches); 2881 } 2882 } 2883 2884 private void primeDomainVerificationsLPw(int userId) { 2885 if (DEBUG_DOMAIN_VERIFICATION) { 2886 Slog.d(TAG, "Priming domain verifications in user " + userId); 2887 } 2888 2889 SystemConfig systemConfig = SystemConfig.getInstance(); 2890 ArraySet<String> packages = systemConfig.getLinkedApps(); 2891 ArraySet<String> domains = new ArraySet<String>(); 2892 2893 for (String packageName : packages) { 2894 PackageParser.Package pkg = mPackages.get(packageName); 2895 if (pkg != null) { 2896 if (!pkg.isSystemApp()) { 2897 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2898 continue; 2899 } 2900 2901 domains.clear(); 2902 for (PackageParser.Activity a : pkg.activities) { 2903 for (ActivityIntentInfo filter : a.intents) { 2904 if (hasValidDomains(filter)) { 2905 domains.addAll(filter.getHostsList()); 2906 } 2907 } 2908 } 2909 2910 if (domains.size() > 0) { 2911 if (DEBUG_DOMAIN_VERIFICATION) { 2912 Slog.v(TAG, " + " + packageName); 2913 } 2914 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2915 // state w.r.t. the formal app-linkage "no verification attempted" state; 2916 // and then 'always' in the per-user state actually used for intent resolution. 2917 final IntentFilterVerificationInfo ivi; 2918 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2919 new ArrayList<String>(domains)); 2920 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2921 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2922 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2923 } else { 2924 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2925 + "' does not handle web links"); 2926 } 2927 } else { 2928 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2929 } 2930 } 2931 2932 scheduleWritePackageRestrictionsLocked(userId); 2933 scheduleWriteSettingsLocked(); 2934 } 2935 2936 private void applyFactoryDefaultBrowserLPw(int userId) { 2937 // The default browser app's package name is stored in a string resource, 2938 // with a product-specific overlay used for vendor customization. 2939 String browserPkg = mContext.getResources().getString( 2940 com.android.internal.R.string.default_browser); 2941 if (!TextUtils.isEmpty(browserPkg)) { 2942 // non-empty string => required to be a known package 2943 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2944 if (ps == null) { 2945 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2946 browserPkg = null; 2947 } else { 2948 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2949 } 2950 } 2951 2952 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2953 // default. If there's more than one, just leave everything alone. 2954 if (browserPkg == null) { 2955 calculateDefaultBrowserLPw(userId); 2956 } 2957 } 2958 2959 private void calculateDefaultBrowserLPw(int userId) { 2960 List<String> allBrowsers = resolveAllBrowserApps(userId); 2961 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2962 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2963 } 2964 2965 private List<String> resolveAllBrowserApps(int userId) { 2966 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2967 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2968 PackageManager.MATCH_ALL, userId); 2969 2970 final int count = list.size(); 2971 List<String> result = new ArrayList<String>(count); 2972 for (int i=0; i<count; i++) { 2973 ResolveInfo info = list.get(i); 2974 if (info.activityInfo == null 2975 || !info.handleAllWebDataURI 2976 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2977 || result.contains(info.activityInfo.packageName)) { 2978 continue; 2979 } 2980 result.add(info.activityInfo.packageName); 2981 } 2982 2983 return result; 2984 } 2985 2986 private boolean packageIsBrowser(String packageName, int userId) { 2987 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2988 PackageManager.MATCH_ALL, userId); 2989 final int N = list.size(); 2990 for (int i = 0; i < N; i++) { 2991 ResolveInfo info = list.get(i); 2992 if (packageName.equals(info.activityInfo.packageName)) { 2993 return true; 2994 } 2995 } 2996 return false; 2997 } 2998 2999 private void checkDefaultBrowser() { 3000 final int myUserId = UserHandle.myUserId(); 3001 final String packageName = getDefaultBrowserPackageName(myUserId); 3002 if (packageName != null) { 3003 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3004 if (info == null) { 3005 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3006 synchronized (mPackages) { 3007 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3008 } 3009 } 3010 } 3011 } 3012 3013 @Override 3014 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3015 throws RemoteException { 3016 try { 3017 return super.onTransact(code, data, reply, flags); 3018 } catch (RuntimeException e) { 3019 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3020 Slog.wtf(TAG, "Package Manager Crash", e); 3021 } 3022 throw e; 3023 } 3024 } 3025 3026 static int[] appendInts(int[] cur, int[] add) { 3027 if (add == null) return cur; 3028 if (cur == null) return add; 3029 final int N = add.length; 3030 for (int i=0; i<N; i++) { 3031 cur = appendInt(cur, add[i]); 3032 } 3033 return cur; 3034 } 3035 3036 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3037 if (!sUserManager.exists(userId)) return null; 3038 if (ps == null) { 3039 return null; 3040 } 3041 final PackageParser.Package p = ps.pkg; 3042 if (p == null) { 3043 return null; 3044 } 3045 3046 final PermissionsState permissionsState = ps.getPermissionsState(); 3047 3048 // Compute GIDs only if requested 3049 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3050 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3051 // Compute granted permissions only if package has requested permissions 3052 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3053 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3054 final PackageUserState state = ps.readUserState(userId); 3055 3056 return PackageParser.generatePackageInfo(p, gids, flags, 3057 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3058 } 3059 3060 @Override 3061 public void checkPackageStartable(String packageName, int userId) { 3062 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3063 3064 synchronized (mPackages) { 3065 final PackageSetting ps = mSettings.mPackages.get(packageName); 3066 if (ps == null) { 3067 throw new SecurityException("Package " + packageName + " was not found!"); 3068 } 3069 3070 if (!ps.getInstalled(userId)) { 3071 throw new SecurityException( 3072 "Package " + packageName + " was not installed for user " + userId + "!"); 3073 } 3074 3075 if (mSafeMode && !ps.isSystem()) { 3076 throw new SecurityException("Package " + packageName + " not a system app!"); 3077 } 3078 3079 if (mFrozenPackages.contains(packageName)) { 3080 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3081 } 3082 3083 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3084 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3085 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3086 } 3087 } 3088 } 3089 3090 @Override 3091 public boolean isPackageAvailable(String packageName, int userId) { 3092 if (!sUserManager.exists(userId)) return false; 3093 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3094 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3095 synchronized (mPackages) { 3096 PackageParser.Package p = mPackages.get(packageName); 3097 if (p != null) { 3098 final PackageSetting ps = (PackageSetting) p.mExtras; 3099 if (ps != null) { 3100 final PackageUserState state = ps.readUserState(userId); 3101 if (state != null) { 3102 return PackageParser.isAvailable(state); 3103 } 3104 } 3105 } 3106 } 3107 return false; 3108 } 3109 3110 @Override 3111 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3112 if (!sUserManager.exists(userId)) return null; 3113 flags = updateFlagsForPackage(flags, userId, packageName); 3114 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3115 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3116 // reader 3117 synchronized (mPackages) { 3118 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3119 PackageParser.Package p = null; 3120 if (matchFactoryOnly) { 3121 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3122 if (ps != null) { 3123 return generatePackageInfo(ps, flags, userId); 3124 } 3125 } 3126 if (p == null) { 3127 p = mPackages.get(packageName); 3128 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3129 return null; 3130 } 3131 } 3132 if (DEBUG_PACKAGE_INFO) 3133 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3134 if (p != null) { 3135 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3136 } 3137 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3138 final PackageSetting ps = mSettings.mPackages.get(packageName); 3139 return generatePackageInfo(ps, flags, userId); 3140 } 3141 } 3142 return null; 3143 } 3144 3145 @Override 3146 public String[] currentToCanonicalPackageNames(String[] names) { 3147 String[] out = new String[names.length]; 3148 // reader 3149 synchronized (mPackages) { 3150 for (int i=names.length-1; i>=0; i--) { 3151 PackageSetting ps = mSettings.mPackages.get(names[i]); 3152 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3153 } 3154 } 3155 return out; 3156 } 3157 3158 @Override 3159 public String[] canonicalToCurrentPackageNames(String[] names) { 3160 String[] out = new String[names.length]; 3161 // reader 3162 synchronized (mPackages) { 3163 for (int i=names.length-1; i>=0; i--) { 3164 String cur = mSettings.mRenamedPackages.get(names[i]); 3165 out[i] = cur != null ? cur : names[i]; 3166 } 3167 } 3168 return out; 3169 } 3170 3171 @Override 3172 public int getPackageUid(String packageName, int flags, int userId) { 3173 if (!sUserManager.exists(userId)) return -1; 3174 flags = updateFlagsForPackage(flags, userId, packageName); 3175 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3176 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3177 3178 // reader 3179 synchronized (mPackages) { 3180 final PackageParser.Package p = mPackages.get(packageName); 3181 if (p != null && p.isMatch(flags)) { 3182 return UserHandle.getUid(userId, p.applicationInfo.uid); 3183 } 3184 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3185 final PackageSetting ps = mSettings.mPackages.get(packageName); 3186 if (ps != null && ps.isMatch(flags)) { 3187 return UserHandle.getUid(userId, ps.appId); 3188 } 3189 } 3190 } 3191 3192 return -1; 3193 } 3194 3195 @Override 3196 public int[] getPackageGids(String packageName, int flags, int userId) { 3197 if (!sUserManager.exists(userId)) return null; 3198 flags = updateFlagsForPackage(flags, userId, packageName); 3199 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3200 false /* requireFullPermission */, false /* checkShell */, 3201 "getPackageGids"); 3202 3203 // reader 3204 synchronized (mPackages) { 3205 final PackageParser.Package p = mPackages.get(packageName); 3206 if (p != null && p.isMatch(flags)) { 3207 PackageSetting ps = (PackageSetting) p.mExtras; 3208 return ps.getPermissionsState().computeGids(userId); 3209 } 3210 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3211 final PackageSetting ps = mSettings.mPackages.get(packageName); 3212 if (ps != null && ps.isMatch(flags)) { 3213 return ps.getPermissionsState().computeGids(userId); 3214 } 3215 } 3216 } 3217 3218 return null; 3219 } 3220 3221 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3222 if (bp.perm != null) { 3223 return PackageParser.generatePermissionInfo(bp.perm, flags); 3224 } 3225 PermissionInfo pi = new PermissionInfo(); 3226 pi.name = bp.name; 3227 pi.packageName = bp.sourcePackage; 3228 pi.nonLocalizedLabel = bp.name; 3229 pi.protectionLevel = bp.protectionLevel; 3230 return pi; 3231 } 3232 3233 @Override 3234 public PermissionInfo getPermissionInfo(String name, int flags) { 3235 // reader 3236 synchronized (mPackages) { 3237 final BasePermission p = mSettings.mPermissions.get(name); 3238 if (p != null) { 3239 return generatePermissionInfo(p, flags); 3240 } 3241 return null; 3242 } 3243 } 3244 3245 @Override 3246 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3247 int flags) { 3248 // reader 3249 synchronized (mPackages) { 3250 if (group != null && !mPermissionGroups.containsKey(group)) { 3251 // This is thrown as NameNotFoundException 3252 return null; 3253 } 3254 3255 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3256 for (BasePermission p : mSettings.mPermissions.values()) { 3257 if (group == null) { 3258 if (p.perm == null || p.perm.info.group == null) { 3259 out.add(generatePermissionInfo(p, flags)); 3260 } 3261 } else { 3262 if (p.perm != null && group.equals(p.perm.info.group)) { 3263 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3264 } 3265 } 3266 } 3267 return new ParceledListSlice<>(out); 3268 } 3269 } 3270 3271 @Override 3272 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3273 // reader 3274 synchronized (mPackages) { 3275 return PackageParser.generatePermissionGroupInfo( 3276 mPermissionGroups.get(name), flags); 3277 } 3278 } 3279 3280 @Override 3281 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3282 // reader 3283 synchronized (mPackages) { 3284 final int N = mPermissionGroups.size(); 3285 ArrayList<PermissionGroupInfo> out 3286 = new ArrayList<PermissionGroupInfo>(N); 3287 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3288 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3289 } 3290 return new ParceledListSlice<>(out); 3291 } 3292 } 3293 3294 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3295 int userId) { 3296 if (!sUserManager.exists(userId)) return null; 3297 PackageSetting ps = mSettings.mPackages.get(packageName); 3298 if (ps != null) { 3299 if (ps.pkg == null) { 3300 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3301 if (pInfo != null) { 3302 return pInfo.applicationInfo; 3303 } 3304 return null; 3305 } 3306 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3307 ps.readUserState(userId), userId); 3308 } 3309 return null; 3310 } 3311 3312 @Override 3313 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3314 if (!sUserManager.exists(userId)) return null; 3315 flags = updateFlagsForApplication(flags, userId, packageName); 3316 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3317 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3318 // writer 3319 synchronized (mPackages) { 3320 PackageParser.Package p = mPackages.get(packageName); 3321 if (DEBUG_PACKAGE_INFO) Log.v( 3322 TAG, "getApplicationInfo " + packageName 3323 + ": " + p); 3324 if (p != null) { 3325 PackageSetting ps = mSettings.mPackages.get(packageName); 3326 if (ps == null) return null; 3327 // Note: isEnabledLP() does not apply here - always return info 3328 return PackageParser.generateApplicationInfo( 3329 p, flags, ps.readUserState(userId), userId); 3330 } 3331 if ("android".equals(packageName)||"system".equals(packageName)) { 3332 return mAndroidApplication; 3333 } 3334 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3335 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3336 } 3337 } 3338 return null; 3339 } 3340 3341 @Override 3342 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3343 final IPackageDataObserver observer) { 3344 mContext.enforceCallingOrSelfPermission( 3345 android.Manifest.permission.CLEAR_APP_CACHE, null); 3346 // Queue up an async operation since clearing cache may take a little while. 3347 mHandler.post(new Runnable() { 3348 public void run() { 3349 mHandler.removeCallbacks(this); 3350 boolean success = true; 3351 synchronized (mInstallLock) { 3352 try { 3353 mInstaller.freeCache(volumeUuid, freeStorageSize); 3354 } catch (InstallerException e) { 3355 Slog.w(TAG, "Couldn't clear application caches: " + e); 3356 success = false; 3357 } 3358 } 3359 if (observer != null) { 3360 try { 3361 observer.onRemoveCompleted(null, success); 3362 } catch (RemoteException e) { 3363 Slog.w(TAG, "RemoveException when invoking call back"); 3364 } 3365 } 3366 } 3367 }); 3368 } 3369 3370 @Override 3371 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3372 final IntentSender pi) { 3373 mContext.enforceCallingOrSelfPermission( 3374 android.Manifest.permission.CLEAR_APP_CACHE, null); 3375 // Queue up an async operation since clearing cache may take a little while. 3376 mHandler.post(new Runnable() { 3377 public void run() { 3378 mHandler.removeCallbacks(this); 3379 boolean success = true; 3380 synchronized (mInstallLock) { 3381 try { 3382 mInstaller.freeCache(volumeUuid, freeStorageSize); 3383 } catch (InstallerException e) { 3384 Slog.w(TAG, "Couldn't clear application caches: " + e); 3385 success = false; 3386 } 3387 } 3388 if(pi != null) { 3389 try { 3390 // Callback via pending intent 3391 int code = success ? 1 : 0; 3392 pi.sendIntent(null, code, null, 3393 null, null); 3394 } catch (SendIntentException e1) { 3395 Slog.i(TAG, "Failed to send pending intent"); 3396 } 3397 } 3398 } 3399 }); 3400 } 3401 3402 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3403 synchronized (mInstallLock) { 3404 try { 3405 mInstaller.freeCache(volumeUuid, freeStorageSize); 3406 } catch (InstallerException e) { 3407 throw new IOException("Failed to free enough space", e); 3408 } 3409 } 3410 } 3411 3412 /** 3413 * Update given flags based on encryption status of current user. 3414 */ 3415 private int updateFlags(int flags, int userId) { 3416 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3417 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3418 // Caller expressed an explicit opinion about what encryption 3419 // aware/unaware components they want to see, so fall through and 3420 // give them what they want 3421 } else { 3422 // Caller expressed no opinion, so match based on user state 3423 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3424 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3425 } else { 3426 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3427 } 3428 } 3429 return flags; 3430 } 3431 3432 private UserManagerInternal getUserManagerInternal() { 3433 if (mUserManagerInternal == null) { 3434 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3435 } 3436 return mUserManagerInternal; 3437 } 3438 3439 /** 3440 * Update given flags when being used to request {@link PackageInfo}. 3441 */ 3442 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3443 boolean triaged = true; 3444 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3445 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3446 // Caller is asking for component details, so they'd better be 3447 // asking for specific encryption matching behavior, or be triaged 3448 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3449 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3450 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3451 triaged = false; 3452 } 3453 } 3454 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3455 | PackageManager.MATCH_SYSTEM_ONLY 3456 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3457 triaged = false; 3458 } 3459 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3460 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3461 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3462 } 3463 return updateFlags(flags, userId); 3464 } 3465 3466 /** 3467 * Update given flags when being used to request {@link ApplicationInfo}. 3468 */ 3469 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3470 return updateFlagsForPackage(flags, userId, cookie); 3471 } 3472 3473 /** 3474 * Update given flags when being used to request {@link ComponentInfo}. 3475 */ 3476 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3477 if (cookie instanceof Intent) { 3478 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3479 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3480 } 3481 } 3482 3483 boolean triaged = true; 3484 // Caller is asking for component details, so they'd better be 3485 // asking for specific encryption matching behavior, or be triaged 3486 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3487 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3488 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3489 triaged = false; 3490 } 3491 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3492 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3493 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3494 } 3495 3496 return updateFlags(flags, userId); 3497 } 3498 3499 /** 3500 * Update given flags when being used to request {@link ResolveInfo}. 3501 */ 3502 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3503 // Safe mode means we shouldn't match any third-party components 3504 if (mSafeMode) { 3505 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3506 } 3507 3508 return updateFlagsForComponent(flags, userId, cookie); 3509 } 3510 3511 @Override 3512 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3513 if (!sUserManager.exists(userId)) return null; 3514 flags = updateFlagsForComponent(flags, userId, component); 3515 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3516 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3517 synchronized (mPackages) { 3518 PackageParser.Activity a = mActivities.mActivities.get(component); 3519 3520 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3521 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3522 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3523 if (ps == null) return null; 3524 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3525 userId); 3526 } 3527 if (mResolveComponentName.equals(component)) { 3528 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3529 new PackageUserState(), userId); 3530 } 3531 } 3532 return null; 3533 } 3534 3535 @Override 3536 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3537 String resolvedType) { 3538 synchronized (mPackages) { 3539 if (component.equals(mResolveComponentName)) { 3540 // The resolver supports EVERYTHING! 3541 return true; 3542 } 3543 PackageParser.Activity a = mActivities.mActivities.get(component); 3544 if (a == null) { 3545 return false; 3546 } 3547 for (int i=0; i<a.intents.size(); i++) { 3548 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3549 intent.getData(), intent.getCategories(), TAG) >= 0) { 3550 return true; 3551 } 3552 } 3553 return false; 3554 } 3555 } 3556 3557 @Override 3558 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3559 if (!sUserManager.exists(userId)) return null; 3560 flags = updateFlagsForComponent(flags, userId, component); 3561 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3562 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3563 synchronized (mPackages) { 3564 PackageParser.Activity a = mReceivers.mActivities.get(component); 3565 if (DEBUG_PACKAGE_INFO) Log.v( 3566 TAG, "getReceiverInfo " + component + ": " + a); 3567 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3568 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3569 if (ps == null) return null; 3570 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3571 userId); 3572 } 3573 } 3574 return null; 3575 } 3576 3577 @Override 3578 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3579 if (!sUserManager.exists(userId)) return null; 3580 flags = updateFlagsForComponent(flags, userId, component); 3581 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3582 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3583 synchronized (mPackages) { 3584 PackageParser.Service s = mServices.mServices.get(component); 3585 if (DEBUG_PACKAGE_INFO) Log.v( 3586 TAG, "getServiceInfo " + component + ": " + s); 3587 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3588 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3589 if (ps == null) return null; 3590 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3591 userId); 3592 } 3593 } 3594 return null; 3595 } 3596 3597 @Override 3598 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3599 if (!sUserManager.exists(userId)) return null; 3600 flags = updateFlagsForComponent(flags, userId, component); 3601 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3602 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3603 synchronized (mPackages) { 3604 PackageParser.Provider p = mProviders.mProviders.get(component); 3605 if (DEBUG_PACKAGE_INFO) Log.v( 3606 TAG, "getProviderInfo " + component + ": " + p); 3607 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3608 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3609 if (ps == null) return null; 3610 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3611 userId); 3612 } 3613 } 3614 return null; 3615 } 3616 3617 @Override 3618 public String[] getSystemSharedLibraryNames() { 3619 Set<String> libSet; 3620 synchronized (mPackages) { 3621 libSet = mSharedLibraries.keySet(); 3622 int size = libSet.size(); 3623 if (size > 0) { 3624 String[] libs = new String[size]; 3625 libSet.toArray(libs); 3626 return libs; 3627 } 3628 } 3629 return null; 3630 } 3631 3632 @Override 3633 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3634 synchronized (mPackages) { 3635 return mServicesSystemSharedLibraryPackageName; 3636 } 3637 } 3638 3639 @Override 3640 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3641 synchronized (mPackages) { 3642 return mSharedSystemSharedLibraryPackageName; 3643 } 3644 } 3645 3646 @Override 3647 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3648 synchronized (mPackages) { 3649 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3650 3651 final FeatureInfo fi = new FeatureInfo(); 3652 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3653 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3654 res.add(fi); 3655 3656 return new ParceledListSlice<>(res); 3657 } 3658 } 3659 3660 @Override 3661 public boolean hasSystemFeature(String name, int version) { 3662 synchronized (mPackages) { 3663 final FeatureInfo feat = mAvailableFeatures.get(name); 3664 if (feat == null) { 3665 return false; 3666 } else { 3667 return feat.version >= version; 3668 } 3669 } 3670 } 3671 3672 @Override 3673 public int checkPermission(String permName, String pkgName, int userId) { 3674 if (!sUserManager.exists(userId)) { 3675 return PackageManager.PERMISSION_DENIED; 3676 } 3677 3678 synchronized (mPackages) { 3679 final PackageParser.Package p = mPackages.get(pkgName); 3680 if (p != null && p.mExtras != null) { 3681 final PackageSetting ps = (PackageSetting) p.mExtras; 3682 final PermissionsState permissionsState = ps.getPermissionsState(); 3683 if (permissionsState.hasPermission(permName, userId)) { 3684 return PackageManager.PERMISSION_GRANTED; 3685 } 3686 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3687 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3688 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3689 return PackageManager.PERMISSION_GRANTED; 3690 } 3691 } 3692 } 3693 3694 return PackageManager.PERMISSION_DENIED; 3695 } 3696 3697 @Override 3698 public int checkUidPermission(String permName, int uid) { 3699 final int userId = UserHandle.getUserId(uid); 3700 3701 if (!sUserManager.exists(userId)) { 3702 return PackageManager.PERMISSION_DENIED; 3703 } 3704 3705 synchronized (mPackages) { 3706 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3707 if (obj != null) { 3708 final SettingBase ps = (SettingBase) obj; 3709 final PermissionsState permissionsState = ps.getPermissionsState(); 3710 if (permissionsState.hasPermission(permName, userId)) { 3711 return PackageManager.PERMISSION_GRANTED; 3712 } 3713 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3714 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3715 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3716 return PackageManager.PERMISSION_GRANTED; 3717 } 3718 } else { 3719 ArraySet<String> perms = mSystemPermissions.get(uid); 3720 if (perms != null) { 3721 if (perms.contains(permName)) { 3722 return PackageManager.PERMISSION_GRANTED; 3723 } 3724 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3725 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3726 return PackageManager.PERMISSION_GRANTED; 3727 } 3728 } 3729 } 3730 } 3731 3732 return PackageManager.PERMISSION_DENIED; 3733 } 3734 3735 @Override 3736 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3737 if (UserHandle.getCallingUserId() != userId) { 3738 mContext.enforceCallingPermission( 3739 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3740 "isPermissionRevokedByPolicy for user " + userId); 3741 } 3742 3743 if (checkPermission(permission, packageName, userId) 3744 == PackageManager.PERMISSION_GRANTED) { 3745 return false; 3746 } 3747 3748 final long identity = Binder.clearCallingIdentity(); 3749 try { 3750 final int flags = getPermissionFlags(permission, packageName, userId); 3751 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3752 } finally { 3753 Binder.restoreCallingIdentity(identity); 3754 } 3755 } 3756 3757 @Override 3758 public String getPermissionControllerPackageName() { 3759 synchronized (mPackages) { 3760 return mRequiredInstallerPackage; 3761 } 3762 } 3763 3764 /** 3765 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3766 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3767 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3768 * @param message the message to log on security exception 3769 */ 3770 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3771 boolean checkShell, String message) { 3772 if (userId < 0) { 3773 throw new IllegalArgumentException("Invalid userId " + userId); 3774 } 3775 if (checkShell) { 3776 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3777 } 3778 if (userId == UserHandle.getUserId(callingUid)) return; 3779 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3780 if (requireFullPermission) { 3781 mContext.enforceCallingOrSelfPermission( 3782 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3783 } else { 3784 try { 3785 mContext.enforceCallingOrSelfPermission( 3786 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3787 } catch (SecurityException se) { 3788 mContext.enforceCallingOrSelfPermission( 3789 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3790 } 3791 } 3792 } 3793 } 3794 3795 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3796 if (callingUid == Process.SHELL_UID) { 3797 if (userHandle >= 0 3798 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3799 throw new SecurityException("Shell does not have permission to access user " 3800 + userHandle); 3801 } else if (userHandle < 0) { 3802 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3803 + Debug.getCallers(3)); 3804 } 3805 } 3806 } 3807 3808 private BasePermission findPermissionTreeLP(String permName) { 3809 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3810 if (permName.startsWith(bp.name) && 3811 permName.length() > bp.name.length() && 3812 permName.charAt(bp.name.length()) == '.') { 3813 return bp; 3814 } 3815 } 3816 return null; 3817 } 3818 3819 private BasePermission checkPermissionTreeLP(String permName) { 3820 if (permName != null) { 3821 BasePermission bp = findPermissionTreeLP(permName); 3822 if (bp != null) { 3823 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3824 return bp; 3825 } 3826 throw new SecurityException("Calling uid " 3827 + Binder.getCallingUid() 3828 + " is not allowed to add to permission tree " 3829 + bp.name + " owned by uid " + bp.uid); 3830 } 3831 } 3832 throw new SecurityException("No permission tree found for " + permName); 3833 } 3834 3835 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3836 if (s1 == null) { 3837 return s2 == null; 3838 } 3839 if (s2 == null) { 3840 return false; 3841 } 3842 if (s1.getClass() != s2.getClass()) { 3843 return false; 3844 } 3845 return s1.equals(s2); 3846 } 3847 3848 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3849 if (pi1.icon != pi2.icon) return false; 3850 if (pi1.logo != pi2.logo) return false; 3851 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3852 if (!compareStrings(pi1.name, pi2.name)) return false; 3853 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3854 // We'll take care of setting this one. 3855 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3856 // These are not currently stored in settings. 3857 //if (!compareStrings(pi1.group, pi2.group)) return false; 3858 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3859 //if (pi1.labelRes != pi2.labelRes) return false; 3860 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3861 return true; 3862 } 3863 3864 int permissionInfoFootprint(PermissionInfo info) { 3865 int size = info.name.length(); 3866 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3867 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3868 return size; 3869 } 3870 3871 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3872 int size = 0; 3873 for (BasePermission perm : mSettings.mPermissions.values()) { 3874 if (perm.uid == tree.uid) { 3875 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3876 } 3877 } 3878 return size; 3879 } 3880 3881 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3882 // We calculate the max size of permissions defined by this uid and throw 3883 // if that plus the size of 'info' would exceed our stated maximum. 3884 if (tree.uid != Process.SYSTEM_UID) { 3885 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3886 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3887 throw new SecurityException("Permission tree size cap exceeded"); 3888 } 3889 } 3890 } 3891 3892 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3893 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3894 throw new SecurityException("Label must be specified in permission"); 3895 } 3896 BasePermission tree = checkPermissionTreeLP(info.name); 3897 BasePermission bp = mSettings.mPermissions.get(info.name); 3898 boolean added = bp == null; 3899 boolean changed = true; 3900 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3901 if (added) { 3902 enforcePermissionCapLocked(info, tree); 3903 bp = new BasePermission(info.name, tree.sourcePackage, 3904 BasePermission.TYPE_DYNAMIC); 3905 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3906 throw new SecurityException( 3907 "Not allowed to modify non-dynamic permission " 3908 + info.name); 3909 } else { 3910 if (bp.protectionLevel == fixedLevel 3911 && bp.perm.owner.equals(tree.perm.owner) 3912 && bp.uid == tree.uid 3913 && comparePermissionInfos(bp.perm.info, info)) { 3914 changed = false; 3915 } 3916 } 3917 bp.protectionLevel = fixedLevel; 3918 info = new PermissionInfo(info); 3919 info.protectionLevel = fixedLevel; 3920 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3921 bp.perm.info.packageName = tree.perm.info.packageName; 3922 bp.uid = tree.uid; 3923 if (added) { 3924 mSettings.mPermissions.put(info.name, bp); 3925 } 3926 if (changed) { 3927 if (!async) { 3928 mSettings.writeLPr(); 3929 } else { 3930 scheduleWriteSettingsLocked(); 3931 } 3932 } 3933 return added; 3934 } 3935 3936 @Override 3937 public boolean addPermission(PermissionInfo info) { 3938 synchronized (mPackages) { 3939 return addPermissionLocked(info, false); 3940 } 3941 } 3942 3943 @Override 3944 public boolean addPermissionAsync(PermissionInfo info) { 3945 synchronized (mPackages) { 3946 return addPermissionLocked(info, true); 3947 } 3948 } 3949 3950 @Override 3951 public void removePermission(String name) { 3952 synchronized (mPackages) { 3953 checkPermissionTreeLP(name); 3954 BasePermission bp = mSettings.mPermissions.get(name); 3955 if (bp != null) { 3956 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3957 throw new SecurityException( 3958 "Not allowed to modify non-dynamic permission " 3959 + name); 3960 } 3961 mSettings.mPermissions.remove(name); 3962 mSettings.writeLPr(); 3963 } 3964 } 3965 } 3966 3967 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3968 BasePermission bp) { 3969 int index = pkg.requestedPermissions.indexOf(bp.name); 3970 if (index == -1) { 3971 throw new SecurityException("Package " + pkg.packageName 3972 + " has not requested permission " + bp.name); 3973 } 3974 if (!bp.isRuntime() && !bp.isDevelopment()) { 3975 throw new SecurityException("Permission " + bp.name 3976 + " is not a changeable permission type"); 3977 } 3978 } 3979 3980 @Override 3981 public void grantRuntimePermission(String packageName, String name, final int userId) { 3982 if (!sUserManager.exists(userId)) { 3983 Log.e(TAG, "No such user:" + userId); 3984 return; 3985 } 3986 3987 mContext.enforceCallingOrSelfPermission( 3988 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3989 "grantRuntimePermission"); 3990 3991 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3992 true /* requireFullPermission */, true /* checkShell */, 3993 "grantRuntimePermission"); 3994 3995 final int uid; 3996 final SettingBase sb; 3997 3998 synchronized (mPackages) { 3999 final PackageParser.Package pkg = mPackages.get(packageName); 4000 if (pkg == null) { 4001 throw new IllegalArgumentException("Unknown package: " + packageName); 4002 } 4003 4004 final BasePermission bp = mSettings.mPermissions.get(name); 4005 if (bp == null) { 4006 throw new IllegalArgumentException("Unknown permission: " + name); 4007 } 4008 4009 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4010 4011 // If a permission review is required for legacy apps we represent 4012 // their permissions as always granted runtime ones since we need 4013 // to keep the review required permission flag per user while an 4014 // install permission's state is shared across all users. 4015 if (Build.PERMISSIONS_REVIEW_REQUIRED 4016 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4017 && bp.isRuntime()) { 4018 return; 4019 } 4020 4021 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4022 sb = (SettingBase) pkg.mExtras; 4023 if (sb == null) { 4024 throw new IllegalArgumentException("Unknown package: " + packageName); 4025 } 4026 4027 final PermissionsState permissionsState = sb.getPermissionsState(); 4028 4029 final int flags = permissionsState.getPermissionFlags(name, userId); 4030 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4031 throw new SecurityException("Cannot grant system fixed permission " 4032 + name + " for package " + packageName); 4033 } 4034 4035 if (bp.isDevelopment()) { 4036 // Development permissions must be handled specially, since they are not 4037 // normal runtime permissions. For now they apply to all users. 4038 if (permissionsState.grantInstallPermission(bp) != 4039 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4040 scheduleWriteSettingsLocked(); 4041 } 4042 return; 4043 } 4044 4045 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4046 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4047 return; 4048 } 4049 4050 final int result = permissionsState.grantRuntimePermission(bp, userId); 4051 switch (result) { 4052 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4053 return; 4054 } 4055 4056 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4057 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4058 mHandler.post(new Runnable() { 4059 @Override 4060 public void run() { 4061 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4062 } 4063 }); 4064 } 4065 break; 4066 } 4067 4068 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4069 4070 // Not critical if that is lost - app has to request again. 4071 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4072 } 4073 4074 // Only need to do this if user is initialized. Otherwise it's a new user 4075 // and there are no processes running as the user yet and there's no need 4076 // to make an expensive call to remount processes for the changed permissions. 4077 if (READ_EXTERNAL_STORAGE.equals(name) 4078 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4079 final long token = Binder.clearCallingIdentity(); 4080 try { 4081 if (sUserManager.isInitialized(userId)) { 4082 MountServiceInternal mountServiceInternal = LocalServices.getService( 4083 MountServiceInternal.class); 4084 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4085 } 4086 } finally { 4087 Binder.restoreCallingIdentity(token); 4088 } 4089 } 4090 } 4091 4092 @Override 4093 public void revokeRuntimePermission(String packageName, String name, int userId) { 4094 if (!sUserManager.exists(userId)) { 4095 Log.e(TAG, "No such user:" + userId); 4096 return; 4097 } 4098 4099 mContext.enforceCallingOrSelfPermission( 4100 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4101 "revokeRuntimePermission"); 4102 4103 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4104 true /* requireFullPermission */, true /* checkShell */, 4105 "revokeRuntimePermission"); 4106 4107 final int appId; 4108 4109 synchronized (mPackages) { 4110 final PackageParser.Package pkg = mPackages.get(packageName); 4111 if (pkg == null) { 4112 throw new IllegalArgumentException("Unknown package: " + packageName); 4113 } 4114 4115 final BasePermission bp = mSettings.mPermissions.get(name); 4116 if (bp == null) { 4117 throw new IllegalArgumentException("Unknown permission: " + name); 4118 } 4119 4120 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4121 4122 // If a permission review is required for legacy apps we represent 4123 // their permissions as always granted runtime ones since we need 4124 // to keep the review required permission flag per user while an 4125 // install permission's state is shared across all users. 4126 if (Build.PERMISSIONS_REVIEW_REQUIRED 4127 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4128 && bp.isRuntime()) { 4129 return; 4130 } 4131 4132 SettingBase sb = (SettingBase) pkg.mExtras; 4133 if (sb == null) { 4134 throw new IllegalArgumentException("Unknown package: " + packageName); 4135 } 4136 4137 final PermissionsState permissionsState = sb.getPermissionsState(); 4138 4139 final int flags = permissionsState.getPermissionFlags(name, userId); 4140 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4141 throw new SecurityException("Cannot revoke system fixed permission " 4142 + name + " for package " + packageName); 4143 } 4144 4145 if (bp.isDevelopment()) { 4146 // Development permissions must be handled specially, since they are not 4147 // normal runtime permissions. For now they apply to all users. 4148 if (permissionsState.revokeInstallPermission(bp) != 4149 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4150 scheduleWriteSettingsLocked(); 4151 } 4152 return; 4153 } 4154 4155 if (permissionsState.revokeRuntimePermission(bp, userId) == 4156 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4157 return; 4158 } 4159 4160 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4161 4162 // Critical, after this call app should never have the permission. 4163 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4164 4165 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4166 } 4167 4168 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4169 } 4170 4171 @Override 4172 public void resetRuntimePermissions() { 4173 mContext.enforceCallingOrSelfPermission( 4174 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4175 "revokeRuntimePermission"); 4176 4177 int callingUid = Binder.getCallingUid(); 4178 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4179 mContext.enforceCallingOrSelfPermission( 4180 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4181 "resetRuntimePermissions"); 4182 } 4183 4184 synchronized (mPackages) { 4185 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4186 for (int userId : UserManagerService.getInstance().getUserIds()) { 4187 final int packageCount = mPackages.size(); 4188 for (int i = 0; i < packageCount; i++) { 4189 PackageParser.Package pkg = mPackages.valueAt(i); 4190 if (!(pkg.mExtras instanceof PackageSetting)) { 4191 continue; 4192 } 4193 PackageSetting ps = (PackageSetting) pkg.mExtras; 4194 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4195 } 4196 } 4197 } 4198 } 4199 4200 @Override 4201 public int getPermissionFlags(String name, String packageName, int userId) { 4202 if (!sUserManager.exists(userId)) { 4203 return 0; 4204 } 4205 4206 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4207 4208 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4209 true /* requireFullPermission */, false /* checkShell */, 4210 "getPermissionFlags"); 4211 4212 synchronized (mPackages) { 4213 final PackageParser.Package pkg = mPackages.get(packageName); 4214 if (pkg == null) { 4215 return 0; 4216 } 4217 4218 final BasePermission bp = mSettings.mPermissions.get(name); 4219 if (bp == null) { 4220 return 0; 4221 } 4222 4223 SettingBase sb = (SettingBase) pkg.mExtras; 4224 if (sb == null) { 4225 return 0; 4226 } 4227 4228 PermissionsState permissionsState = sb.getPermissionsState(); 4229 return permissionsState.getPermissionFlags(name, userId); 4230 } 4231 } 4232 4233 @Override 4234 public void updatePermissionFlags(String name, String packageName, int flagMask, 4235 int flagValues, int userId) { 4236 if (!sUserManager.exists(userId)) { 4237 return; 4238 } 4239 4240 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4241 4242 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4243 true /* requireFullPermission */, true /* checkShell */, 4244 "updatePermissionFlags"); 4245 4246 // Only the system can change these flags and nothing else. 4247 if (getCallingUid() != Process.SYSTEM_UID) { 4248 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4249 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4250 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4251 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4252 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4253 } 4254 4255 synchronized (mPackages) { 4256 final PackageParser.Package pkg = mPackages.get(packageName); 4257 if (pkg == null) { 4258 throw new IllegalArgumentException("Unknown package: " + packageName); 4259 } 4260 4261 final BasePermission bp = mSettings.mPermissions.get(name); 4262 if (bp == null) { 4263 throw new IllegalArgumentException("Unknown permission: " + name); 4264 } 4265 4266 SettingBase sb = (SettingBase) pkg.mExtras; 4267 if (sb == null) { 4268 throw new IllegalArgumentException("Unknown package: " + packageName); 4269 } 4270 4271 PermissionsState permissionsState = sb.getPermissionsState(); 4272 4273 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4274 4275 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4276 // Install and runtime permissions are stored in different places, 4277 // so figure out what permission changed and persist the change. 4278 if (permissionsState.getInstallPermissionState(name) != null) { 4279 scheduleWriteSettingsLocked(); 4280 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4281 || hadState) { 4282 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4283 } 4284 } 4285 } 4286 } 4287 4288 /** 4289 * Update the permission flags for all packages and runtime permissions of a user in order 4290 * to allow device or profile owner to remove POLICY_FIXED. 4291 */ 4292 @Override 4293 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4294 if (!sUserManager.exists(userId)) { 4295 return; 4296 } 4297 4298 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4299 4300 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4301 true /* requireFullPermission */, true /* checkShell */, 4302 "updatePermissionFlagsForAllApps"); 4303 4304 // Only the system can change system fixed flags. 4305 if (getCallingUid() != Process.SYSTEM_UID) { 4306 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4307 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4308 } 4309 4310 synchronized (mPackages) { 4311 boolean changed = false; 4312 final int packageCount = mPackages.size(); 4313 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4314 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4315 SettingBase sb = (SettingBase) pkg.mExtras; 4316 if (sb == null) { 4317 continue; 4318 } 4319 PermissionsState permissionsState = sb.getPermissionsState(); 4320 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4321 userId, flagMask, flagValues); 4322 } 4323 if (changed) { 4324 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4325 } 4326 } 4327 } 4328 4329 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4330 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4331 != PackageManager.PERMISSION_GRANTED 4332 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4333 != PackageManager.PERMISSION_GRANTED) { 4334 throw new SecurityException(message + " requires " 4335 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4336 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4337 } 4338 } 4339 4340 @Override 4341 public boolean shouldShowRequestPermissionRationale(String permissionName, 4342 String packageName, int userId) { 4343 if (UserHandle.getCallingUserId() != userId) { 4344 mContext.enforceCallingPermission( 4345 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4346 "canShowRequestPermissionRationale for user " + userId); 4347 } 4348 4349 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4350 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4351 return false; 4352 } 4353 4354 if (checkPermission(permissionName, packageName, userId) 4355 == PackageManager.PERMISSION_GRANTED) { 4356 return false; 4357 } 4358 4359 final int flags; 4360 4361 final long identity = Binder.clearCallingIdentity(); 4362 try { 4363 flags = getPermissionFlags(permissionName, 4364 packageName, userId); 4365 } finally { 4366 Binder.restoreCallingIdentity(identity); 4367 } 4368 4369 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4370 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4371 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4372 4373 if ((flags & fixedFlags) != 0) { 4374 return false; 4375 } 4376 4377 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4378 } 4379 4380 @Override 4381 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4382 mContext.enforceCallingOrSelfPermission( 4383 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4384 "addOnPermissionsChangeListener"); 4385 4386 synchronized (mPackages) { 4387 mOnPermissionChangeListeners.addListenerLocked(listener); 4388 } 4389 } 4390 4391 @Override 4392 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4393 synchronized (mPackages) { 4394 mOnPermissionChangeListeners.removeListenerLocked(listener); 4395 } 4396 } 4397 4398 @Override 4399 public boolean isProtectedBroadcast(String actionName) { 4400 synchronized (mPackages) { 4401 if (mProtectedBroadcasts.contains(actionName)) { 4402 return true; 4403 } else if (actionName != null) { 4404 // TODO: remove these terrible hacks 4405 if (actionName.startsWith("android.net.netmon.lingerExpired") 4406 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4407 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4408 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4409 return true; 4410 } 4411 } 4412 } 4413 return false; 4414 } 4415 4416 @Override 4417 public int checkSignatures(String pkg1, String pkg2) { 4418 synchronized (mPackages) { 4419 final PackageParser.Package p1 = mPackages.get(pkg1); 4420 final PackageParser.Package p2 = mPackages.get(pkg2); 4421 if (p1 == null || p1.mExtras == null 4422 || p2 == null || p2.mExtras == null) { 4423 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4424 } 4425 return compareSignatures(p1.mSignatures, p2.mSignatures); 4426 } 4427 } 4428 4429 @Override 4430 public int checkUidSignatures(int uid1, int uid2) { 4431 // Map to base uids. 4432 uid1 = UserHandle.getAppId(uid1); 4433 uid2 = UserHandle.getAppId(uid2); 4434 // reader 4435 synchronized (mPackages) { 4436 Signature[] s1; 4437 Signature[] s2; 4438 Object obj = mSettings.getUserIdLPr(uid1); 4439 if (obj != null) { 4440 if (obj instanceof SharedUserSetting) { 4441 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4442 } else if (obj instanceof PackageSetting) { 4443 s1 = ((PackageSetting)obj).signatures.mSignatures; 4444 } else { 4445 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4446 } 4447 } else { 4448 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4449 } 4450 obj = mSettings.getUserIdLPr(uid2); 4451 if (obj != null) { 4452 if (obj instanceof SharedUserSetting) { 4453 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4454 } else if (obj instanceof PackageSetting) { 4455 s2 = ((PackageSetting)obj).signatures.mSignatures; 4456 } else { 4457 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4458 } 4459 } else { 4460 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4461 } 4462 return compareSignatures(s1, s2); 4463 } 4464 } 4465 4466 /** 4467 * This method should typically only be used when granting or revoking 4468 * permissions, since the app may immediately restart after this call. 4469 * <p> 4470 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4471 * guard your work against the app being relaunched. 4472 */ 4473 private void killUid(int appId, int userId, String reason) { 4474 final long identity = Binder.clearCallingIdentity(); 4475 try { 4476 IActivityManager am = ActivityManagerNative.getDefault(); 4477 if (am != null) { 4478 try { 4479 am.killUid(appId, userId, reason); 4480 } catch (RemoteException e) { 4481 /* ignore - same process */ 4482 } 4483 } 4484 } finally { 4485 Binder.restoreCallingIdentity(identity); 4486 } 4487 } 4488 4489 /** 4490 * Compares two sets of signatures. Returns: 4491 * <br /> 4492 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4493 * <br /> 4494 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4495 * <br /> 4496 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4497 * <br /> 4498 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4499 * <br /> 4500 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4501 */ 4502 static int compareSignatures(Signature[] s1, Signature[] s2) { 4503 if (s1 == null) { 4504 return s2 == null 4505 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4506 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4507 } 4508 4509 if (s2 == null) { 4510 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4511 } 4512 4513 if (s1.length != s2.length) { 4514 return PackageManager.SIGNATURE_NO_MATCH; 4515 } 4516 4517 // Since both signature sets are of size 1, we can compare without HashSets. 4518 if (s1.length == 1) { 4519 return s1[0].equals(s2[0]) ? 4520 PackageManager.SIGNATURE_MATCH : 4521 PackageManager.SIGNATURE_NO_MATCH; 4522 } 4523 4524 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4525 for (Signature sig : s1) { 4526 set1.add(sig); 4527 } 4528 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4529 for (Signature sig : s2) { 4530 set2.add(sig); 4531 } 4532 // Make sure s2 contains all signatures in s1. 4533 if (set1.equals(set2)) { 4534 return PackageManager.SIGNATURE_MATCH; 4535 } 4536 return PackageManager.SIGNATURE_NO_MATCH; 4537 } 4538 4539 /** 4540 * If the database version for this type of package (internal storage or 4541 * external storage) is less than the version where package signatures 4542 * were updated, return true. 4543 */ 4544 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4545 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4546 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4547 } 4548 4549 /** 4550 * Used for backward compatibility to make sure any packages with 4551 * certificate chains get upgraded to the new style. {@code existingSigs} 4552 * will be in the old format (since they were stored on disk from before the 4553 * system upgrade) and {@code scannedSigs} will be in the newer format. 4554 */ 4555 private int compareSignaturesCompat(PackageSignatures existingSigs, 4556 PackageParser.Package scannedPkg) { 4557 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4558 return PackageManager.SIGNATURE_NO_MATCH; 4559 } 4560 4561 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4562 for (Signature sig : existingSigs.mSignatures) { 4563 existingSet.add(sig); 4564 } 4565 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4566 for (Signature sig : scannedPkg.mSignatures) { 4567 try { 4568 Signature[] chainSignatures = sig.getChainSignatures(); 4569 for (Signature chainSig : chainSignatures) { 4570 scannedCompatSet.add(chainSig); 4571 } 4572 } catch (CertificateEncodingException e) { 4573 scannedCompatSet.add(sig); 4574 } 4575 } 4576 /* 4577 * Make sure the expanded scanned set contains all signatures in the 4578 * existing one. 4579 */ 4580 if (scannedCompatSet.equals(existingSet)) { 4581 // Migrate the old signatures to the new scheme. 4582 existingSigs.assignSignatures(scannedPkg.mSignatures); 4583 // The new KeySets will be re-added later in the scanning process. 4584 synchronized (mPackages) { 4585 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4586 } 4587 return PackageManager.SIGNATURE_MATCH; 4588 } 4589 return PackageManager.SIGNATURE_NO_MATCH; 4590 } 4591 4592 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4593 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4594 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4595 } 4596 4597 private int compareSignaturesRecover(PackageSignatures existingSigs, 4598 PackageParser.Package scannedPkg) { 4599 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4600 return PackageManager.SIGNATURE_NO_MATCH; 4601 } 4602 4603 String msg = null; 4604 try { 4605 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4606 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4607 + scannedPkg.packageName); 4608 return PackageManager.SIGNATURE_MATCH; 4609 } 4610 } catch (CertificateException e) { 4611 msg = e.getMessage(); 4612 } 4613 4614 logCriticalInfo(Log.INFO, 4615 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4616 return PackageManager.SIGNATURE_NO_MATCH; 4617 } 4618 4619 @Override 4620 public List<String> getAllPackages() { 4621 synchronized (mPackages) { 4622 return new ArrayList<String>(mPackages.keySet()); 4623 } 4624 } 4625 4626 @Override 4627 public String[] getPackagesForUid(int uid) { 4628 uid = UserHandle.getAppId(uid); 4629 // reader 4630 synchronized (mPackages) { 4631 Object obj = mSettings.getUserIdLPr(uid); 4632 if (obj instanceof SharedUserSetting) { 4633 final SharedUserSetting sus = (SharedUserSetting) obj; 4634 final int N = sus.packages.size(); 4635 final String[] res = new String[N]; 4636 for (int i = 0; i < N; i++) { 4637 res[i] = sus.packages.valueAt(i).name; 4638 } 4639 return res; 4640 } else if (obj instanceof PackageSetting) { 4641 final PackageSetting ps = (PackageSetting) obj; 4642 return new String[] { ps.name }; 4643 } 4644 } 4645 return null; 4646 } 4647 4648 @Override 4649 public String getNameForUid(int uid) { 4650 // reader 4651 synchronized (mPackages) { 4652 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4653 if (obj instanceof SharedUserSetting) { 4654 final SharedUserSetting sus = (SharedUserSetting) obj; 4655 return sus.name + ":" + sus.userId; 4656 } else if (obj instanceof PackageSetting) { 4657 final PackageSetting ps = (PackageSetting) obj; 4658 return ps.name; 4659 } 4660 } 4661 return null; 4662 } 4663 4664 @Override 4665 public int getUidForSharedUser(String sharedUserName) { 4666 if(sharedUserName == null) { 4667 return -1; 4668 } 4669 // reader 4670 synchronized (mPackages) { 4671 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4672 if (suid == null) { 4673 return -1; 4674 } 4675 return suid.userId; 4676 } 4677 } 4678 4679 @Override 4680 public int getFlagsForUid(int uid) { 4681 synchronized (mPackages) { 4682 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4683 if (obj instanceof SharedUserSetting) { 4684 final SharedUserSetting sus = (SharedUserSetting) obj; 4685 return sus.pkgFlags; 4686 } else if (obj instanceof PackageSetting) { 4687 final PackageSetting ps = (PackageSetting) obj; 4688 return ps.pkgFlags; 4689 } 4690 } 4691 return 0; 4692 } 4693 4694 @Override 4695 public int getPrivateFlagsForUid(int uid) { 4696 synchronized (mPackages) { 4697 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4698 if (obj instanceof SharedUserSetting) { 4699 final SharedUserSetting sus = (SharedUserSetting) obj; 4700 return sus.pkgPrivateFlags; 4701 } else if (obj instanceof PackageSetting) { 4702 final PackageSetting ps = (PackageSetting) obj; 4703 return ps.pkgPrivateFlags; 4704 } 4705 } 4706 return 0; 4707 } 4708 4709 @Override 4710 public boolean isUidPrivileged(int uid) { 4711 uid = UserHandle.getAppId(uid); 4712 // reader 4713 synchronized (mPackages) { 4714 Object obj = mSettings.getUserIdLPr(uid); 4715 if (obj instanceof SharedUserSetting) { 4716 final SharedUserSetting sus = (SharedUserSetting) obj; 4717 final Iterator<PackageSetting> it = sus.packages.iterator(); 4718 while (it.hasNext()) { 4719 if (it.next().isPrivileged()) { 4720 return true; 4721 } 4722 } 4723 } else if (obj instanceof PackageSetting) { 4724 final PackageSetting ps = (PackageSetting) obj; 4725 return ps.isPrivileged(); 4726 } 4727 } 4728 return false; 4729 } 4730 4731 @Override 4732 public String[] getAppOpPermissionPackages(String permissionName) { 4733 synchronized (mPackages) { 4734 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4735 if (pkgs == null) { 4736 return null; 4737 } 4738 return pkgs.toArray(new String[pkgs.size()]); 4739 } 4740 } 4741 4742 @Override 4743 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4744 int flags, int userId) { 4745 try { 4746 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4747 4748 if (!sUserManager.exists(userId)) return null; 4749 flags = updateFlagsForResolve(flags, userId, intent); 4750 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4751 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4752 4753 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4754 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4755 flags, userId); 4756 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4757 4758 final ResolveInfo bestChoice = 4759 chooseBestActivity(intent, resolvedType, flags, query, userId); 4760 return bestChoice; 4761 } finally { 4762 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4763 } 4764 } 4765 4766 @Override 4767 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4768 IntentFilter filter, int match, ComponentName activity) { 4769 final int userId = UserHandle.getCallingUserId(); 4770 if (DEBUG_PREFERRED) { 4771 Log.v(TAG, "setLastChosenActivity intent=" + intent 4772 + " resolvedType=" + resolvedType 4773 + " flags=" + flags 4774 + " filter=" + filter 4775 + " match=" + match 4776 + " activity=" + activity); 4777 filter.dump(new PrintStreamPrinter(System.out), " "); 4778 } 4779 intent.setComponent(null); 4780 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4781 userId); 4782 // Find any earlier preferred or last chosen entries and nuke them 4783 findPreferredActivity(intent, resolvedType, 4784 flags, query, 0, false, true, false, userId); 4785 // Add the new activity as the last chosen for this filter 4786 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4787 "Setting last chosen"); 4788 } 4789 4790 @Override 4791 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4792 final int userId = UserHandle.getCallingUserId(); 4793 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4794 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4795 userId); 4796 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4797 false, false, false, userId); 4798 } 4799 4800 private boolean isEphemeralDisabled() { 4801 // ephemeral apps have been disabled across the board 4802 if (DISABLE_EPHEMERAL_APPS) { 4803 return true; 4804 } 4805 // system isn't up yet; can't read settings, so, assume no ephemeral apps 4806 if (!mSystemReady) { 4807 return true; 4808 } 4809 return Secure.getInt(mContext.getContentResolver(), Secure.WEB_ACTION_ENABLED, 1) == 0; 4810 } 4811 4812 private boolean isEphemeralAllowed( 4813 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 4814 boolean skipPackageCheck) { 4815 // Short circuit and return early if possible. 4816 if (isEphemeralDisabled()) { 4817 return false; 4818 } 4819 final int callingUser = UserHandle.getCallingUserId(); 4820 if (callingUser != UserHandle.USER_SYSTEM) { 4821 return false; 4822 } 4823 if (mEphemeralResolverConnection == null) { 4824 return false; 4825 } 4826 if (intent.getComponent() != null) { 4827 return false; 4828 } 4829 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 4830 return false; 4831 } 4832 if (!skipPackageCheck && intent.getPackage() != null) { 4833 return false; 4834 } 4835 final boolean isWebUri = hasWebURI(intent); 4836 if (!isWebUri || intent.getData().getHost() == null) { 4837 return false; 4838 } 4839 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4840 synchronized (mPackages) { 4841 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 4842 for (int n = 0; n < count; n++) { 4843 ResolveInfo info = resolvedActivities.get(n); 4844 String packageName = info.activityInfo.packageName; 4845 PackageSetting ps = mSettings.mPackages.get(packageName); 4846 if (ps != null) { 4847 // Try to get the status from User settings first 4848 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4849 int status = (int) (packedStatus >> 32); 4850 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4851 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4852 if (DEBUG_EPHEMERAL) { 4853 Slog.v(TAG, "DENY ephemeral apps;" 4854 + " pkg: " + packageName + ", status: " + status); 4855 } 4856 return false; 4857 } 4858 } 4859 } 4860 } 4861 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4862 return true; 4863 } 4864 4865 private static EphemeralResolveInfo getEphemeralResolveInfo( 4866 Context context, EphemeralResolverConnection resolverConnection, Intent intent, 4867 String resolvedType, int userId, String packageName) { 4868 final int ephemeralPrefixMask = Global.getInt(context.getContentResolver(), 4869 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4870 final int ephemeralPrefixCount = Global.getInt(context.getContentResolver(), 4871 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4872 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4873 ephemeralPrefixCount); 4874 final int[] shaPrefix = digest.getDigestPrefix(); 4875 final byte[][] digestBytes = digest.getDigestBytes(); 4876 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4877 resolverConnection.getEphemeralResolveInfoList(shaPrefix, ephemeralPrefixMask); 4878 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4879 // No hash prefix match; there are no ephemeral apps for this domain. 4880 return null; 4881 } 4882 4883 // Go in reverse order so we match the narrowest scope first. 4884 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4885 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4886 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4887 continue; 4888 } 4889 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4890 // No filters; this should never happen. 4891 if (filters.isEmpty()) { 4892 continue; 4893 } 4894 if (packageName != null 4895 && !packageName.equals(ephemeralApplication.getPackageName())) { 4896 continue; 4897 } 4898 // We have a domain match; resolve the filters to see if anything matches. 4899 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4900 for (int j = filters.size() - 1; j >= 0; --j) { 4901 final EphemeralResolveIntentInfo intentInfo = 4902 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4903 ephemeralResolver.addFilter(intentInfo); 4904 } 4905 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4906 intent, resolvedType, false /*defaultOnly*/, userId); 4907 if (!matchedResolveInfoList.isEmpty()) { 4908 return matchedResolveInfoList.get(0); 4909 } 4910 } 4911 } 4912 // Hash or filter mis-match; no ephemeral apps for this domain. 4913 return null; 4914 } 4915 4916 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4917 int flags, List<ResolveInfo> query, int userId) { 4918 if (query != null) { 4919 final int N = query.size(); 4920 if (N == 1) { 4921 return query.get(0); 4922 } else if (N > 1) { 4923 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4924 // If there is more than one activity with the same priority, 4925 // then let the user decide between them. 4926 ResolveInfo r0 = query.get(0); 4927 ResolveInfo r1 = query.get(1); 4928 if (DEBUG_INTENT_MATCHING || debug) { 4929 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4930 + r1.activityInfo.name + "=" + r1.priority); 4931 } 4932 // If the first activity has a higher priority, or a different 4933 // default, then it is always desirable to pick it. 4934 if (r0.priority != r1.priority 4935 || r0.preferredOrder != r1.preferredOrder 4936 || r0.isDefault != r1.isDefault) { 4937 return query.get(0); 4938 } 4939 // If we have saved a preference for a preferred activity for 4940 // this Intent, use that. 4941 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4942 flags, query, r0.priority, true, false, debug, userId); 4943 if (ri != null) { 4944 return ri; 4945 } 4946 ri = new ResolveInfo(mResolveInfo); 4947 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4948 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4949 // If all of the options come from the same package, show the application's 4950 // label and icon instead of the generic resolver's. 4951 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 4952 // and then throw away the ResolveInfo itself, meaning that the caller loses 4953 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 4954 // a fallback for this case; we only set the target package's resources on 4955 // the ResolveInfo, not the ActivityInfo. 4956 final String intentPackage = intent.getPackage(); 4957 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 4958 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 4959 ri.resolvePackageName = intentPackage; 4960 if (userNeedsBadging(userId)) { 4961 ri.noResourceId = true; 4962 } else { 4963 ri.icon = appi.icon; 4964 } 4965 ri.iconResourceId = appi.icon; 4966 ri.labelRes = appi.labelRes; 4967 } 4968 ri.activityInfo.applicationInfo = new ApplicationInfo( 4969 ri.activityInfo.applicationInfo); 4970 if (userId != 0) { 4971 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4972 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4973 } 4974 // Make sure that the resolver is displayable in car mode 4975 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4976 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4977 return ri; 4978 } 4979 } 4980 return null; 4981 } 4982 4983 /** 4984 * Return true if the given list is not empty and all of its contents have 4985 * an activityInfo with the given package name. 4986 */ 4987 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 4988 if (ArrayUtils.isEmpty(list)) { 4989 return false; 4990 } 4991 for (int i = 0, N = list.size(); i < N; i++) { 4992 final ResolveInfo ri = list.get(i); 4993 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 4994 if (ai == null || !packageName.equals(ai.packageName)) { 4995 return false; 4996 } 4997 } 4998 return true; 4999 } 5000 5001 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5002 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5003 final int N = query.size(); 5004 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5005 .get(userId); 5006 // Get the list of persistent preferred activities that handle the intent 5007 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5008 List<PersistentPreferredActivity> pprefs = ppir != null 5009 ? ppir.queryIntent(intent, resolvedType, 5010 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5011 : null; 5012 if (pprefs != null && pprefs.size() > 0) { 5013 final int M = pprefs.size(); 5014 for (int i=0; i<M; i++) { 5015 final PersistentPreferredActivity ppa = pprefs.get(i); 5016 if (DEBUG_PREFERRED || debug) { 5017 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5018 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5019 + "\n component=" + ppa.mComponent); 5020 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5021 } 5022 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5023 flags | MATCH_DISABLED_COMPONENTS, userId); 5024 if (DEBUG_PREFERRED || debug) { 5025 Slog.v(TAG, "Found persistent preferred activity:"); 5026 if (ai != null) { 5027 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5028 } else { 5029 Slog.v(TAG, " null"); 5030 } 5031 } 5032 if (ai == null) { 5033 // This previously registered persistent preferred activity 5034 // component is no longer known. Ignore it and do NOT remove it. 5035 continue; 5036 } 5037 for (int j=0; j<N; j++) { 5038 final ResolveInfo ri = query.get(j); 5039 if (!ri.activityInfo.applicationInfo.packageName 5040 .equals(ai.applicationInfo.packageName)) { 5041 continue; 5042 } 5043 if (!ri.activityInfo.name.equals(ai.name)) { 5044 continue; 5045 } 5046 // Found a persistent preference that can handle the intent. 5047 if (DEBUG_PREFERRED || debug) { 5048 Slog.v(TAG, "Returning persistent preferred activity: " + 5049 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5050 } 5051 return ri; 5052 } 5053 } 5054 } 5055 return null; 5056 } 5057 5058 // TODO: handle preferred activities missing while user has amnesia 5059 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5060 List<ResolveInfo> query, int priority, boolean always, 5061 boolean removeMatches, boolean debug, int userId) { 5062 if (!sUserManager.exists(userId)) return null; 5063 flags = updateFlagsForResolve(flags, userId, intent); 5064 // writer 5065 synchronized (mPackages) { 5066 if (intent.getSelector() != null) { 5067 intent = intent.getSelector(); 5068 } 5069 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5070 5071 // Try to find a matching persistent preferred activity. 5072 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5073 debug, userId); 5074 5075 // If a persistent preferred activity matched, use it. 5076 if (pri != null) { 5077 return pri; 5078 } 5079 5080 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5081 // Get the list of preferred activities that handle the intent 5082 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5083 List<PreferredActivity> prefs = pir != null 5084 ? pir.queryIntent(intent, resolvedType, 5085 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5086 : null; 5087 if (prefs != null && prefs.size() > 0) { 5088 boolean changed = false; 5089 try { 5090 // First figure out how good the original match set is. 5091 // We will only allow preferred activities that came 5092 // from the same match quality. 5093 int match = 0; 5094 5095 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5096 5097 final int N = query.size(); 5098 for (int j=0; j<N; j++) { 5099 final ResolveInfo ri = query.get(j); 5100 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5101 + ": 0x" + Integer.toHexString(match)); 5102 if (ri.match > match) { 5103 match = ri.match; 5104 } 5105 } 5106 5107 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5108 + Integer.toHexString(match)); 5109 5110 match &= IntentFilter.MATCH_CATEGORY_MASK; 5111 final int M = prefs.size(); 5112 for (int i=0; i<M; i++) { 5113 final PreferredActivity pa = prefs.get(i); 5114 if (DEBUG_PREFERRED || debug) { 5115 Slog.v(TAG, "Checking PreferredActivity ds=" 5116 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5117 + "\n component=" + pa.mPref.mComponent); 5118 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5119 } 5120 if (pa.mPref.mMatch != match) { 5121 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5122 + Integer.toHexString(pa.mPref.mMatch)); 5123 continue; 5124 } 5125 // If it's not an "always" type preferred activity and that's what we're 5126 // looking for, skip it. 5127 if (always && !pa.mPref.mAlways) { 5128 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5129 continue; 5130 } 5131 final ActivityInfo ai = getActivityInfo( 5132 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5133 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5134 userId); 5135 if (DEBUG_PREFERRED || debug) { 5136 Slog.v(TAG, "Found preferred activity:"); 5137 if (ai != null) { 5138 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5139 } else { 5140 Slog.v(TAG, " null"); 5141 } 5142 } 5143 if (ai == null) { 5144 // This previously registered preferred activity 5145 // component is no longer known. Most likely an update 5146 // to the app was installed and in the new version this 5147 // component no longer exists. Clean it up by removing 5148 // it from the preferred activities list, and skip it. 5149 Slog.w(TAG, "Removing dangling preferred activity: " 5150 + pa.mPref.mComponent); 5151 pir.removeFilter(pa); 5152 changed = true; 5153 continue; 5154 } 5155 for (int j=0; j<N; j++) { 5156 final ResolveInfo ri = query.get(j); 5157 if (!ri.activityInfo.applicationInfo.packageName 5158 .equals(ai.applicationInfo.packageName)) { 5159 continue; 5160 } 5161 if (!ri.activityInfo.name.equals(ai.name)) { 5162 continue; 5163 } 5164 5165 if (removeMatches) { 5166 pir.removeFilter(pa); 5167 changed = true; 5168 if (DEBUG_PREFERRED) { 5169 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5170 } 5171 break; 5172 } 5173 5174 // Okay we found a previously set preferred or last chosen app. 5175 // If the result set is different from when this 5176 // was created, we need to clear it and re-ask the 5177 // user their preference, if we're looking for an "always" type entry. 5178 if (always && !pa.mPref.sameSet(query)) { 5179 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5180 + intent + " type " + resolvedType); 5181 if (DEBUG_PREFERRED) { 5182 Slog.v(TAG, "Removing preferred activity since set changed " 5183 + pa.mPref.mComponent); 5184 } 5185 pir.removeFilter(pa); 5186 // Re-add the filter as a "last chosen" entry (!always) 5187 PreferredActivity lastChosen = new PreferredActivity( 5188 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5189 pir.addFilter(lastChosen); 5190 changed = true; 5191 return null; 5192 } 5193 5194 // Yay! Either the set matched or we're looking for the last chosen 5195 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5196 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5197 return ri; 5198 } 5199 } 5200 } finally { 5201 if (changed) { 5202 if (DEBUG_PREFERRED) { 5203 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5204 } 5205 scheduleWritePackageRestrictionsLocked(userId); 5206 } 5207 } 5208 } 5209 } 5210 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5211 return null; 5212 } 5213 5214 /* 5215 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5216 */ 5217 @Override 5218 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5219 int targetUserId) { 5220 mContext.enforceCallingOrSelfPermission( 5221 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5222 List<CrossProfileIntentFilter> matches = 5223 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5224 if (matches != null) { 5225 int size = matches.size(); 5226 for (int i = 0; i < size; i++) { 5227 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5228 } 5229 } 5230 if (hasWebURI(intent)) { 5231 // cross-profile app linking works only towards the parent. 5232 final UserInfo parent = getProfileParent(sourceUserId); 5233 synchronized(mPackages) { 5234 int flags = updateFlagsForResolve(0, parent.id, intent); 5235 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5236 intent, resolvedType, flags, sourceUserId, parent.id); 5237 return xpDomainInfo != null; 5238 } 5239 } 5240 return false; 5241 } 5242 5243 private UserInfo getProfileParent(int userId) { 5244 final long identity = Binder.clearCallingIdentity(); 5245 try { 5246 return sUserManager.getProfileParent(userId); 5247 } finally { 5248 Binder.restoreCallingIdentity(identity); 5249 } 5250 } 5251 5252 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5253 String resolvedType, int userId) { 5254 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5255 if (resolver != null) { 5256 return resolver.queryIntent(intent, resolvedType, false, userId); 5257 } 5258 return null; 5259 } 5260 5261 @Override 5262 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5263 String resolvedType, int flags, int userId) { 5264 try { 5265 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5266 5267 return new ParceledListSlice<>( 5268 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5269 } finally { 5270 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5271 } 5272 } 5273 5274 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5275 String resolvedType, int flags, int userId) { 5276 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5277 flags = updateFlagsForResolve(flags, userId, intent); 5278 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5279 false /* requireFullPermission */, false /* checkShell */, 5280 "query intent activities"); 5281 ComponentName comp = intent.getComponent(); 5282 if (comp == null) { 5283 if (intent.getSelector() != null) { 5284 intent = intent.getSelector(); 5285 comp = intent.getComponent(); 5286 } 5287 } 5288 5289 if (comp != null) { 5290 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5291 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5292 if (ai != null) { 5293 final ResolveInfo ri = new ResolveInfo(); 5294 ri.activityInfo = ai; 5295 list.add(ri); 5296 } 5297 return list; 5298 } 5299 5300 // reader 5301 boolean sortResult = false; 5302 boolean addEphemeral = false; 5303 boolean matchEphemeralPackage = false; 5304 List<ResolveInfo> result; 5305 final String pkgName = intent.getPackage(); 5306 synchronized (mPackages) { 5307 if (pkgName == null) { 5308 List<CrossProfileIntentFilter> matchingFilters = 5309 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5310 // Check for results that need to skip the current profile. 5311 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5312 resolvedType, flags, userId); 5313 if (xpResolveInfo != null) { 5314 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5315 xpResult.add(xpResolveInfo); 5316 return filterIfNotSystemUser(xpResult, userId); 5317 } 5318 5319 // Check for results in the current profile. 5320 result = filterIfNotSystemUser(mActivities.queryIntent( 5321 intent, resolvedType, flags, userId), userId); 5322 addEphemeral = 5323 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5324 5325 // Check for cross profile results. 5326 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5327 xpResolveInfo = queryCrossProfileIntents( 5328 matchingFilters, intent, resolvedType, flags, userId, 5329 hasNonNegativePriorityResult); 5330 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5331 boolean isVisibleToUser = filterIfNotSystemUser( 5332 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5333 if (isVisibleToUser) { 5334 result.add(xpResolveInfo); 5335 sortResult = true; 5336 } 5337 } 5338 if (hasWebURI(intent)) { 5339 CrossProfileDomainInfo xpDomainInfo = null; 5340 final UserInfo parent = getProfileParent(userId); 5341 if (parent != null) { 5342 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5343 flags, userId, parent.id); 5344 } 5345 if (xpDomainInfo != null) { 5346 if (xpResolveInfo != null) { 5347 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5348 // in the result. 5349 result.remove(xpResolveInfo); 5350 } 5351 if (result.size() == 0 && !addEphemeral) { 5352 result.add(xpDomainInfo.resolveInfo); 5353 return result; 5354 } 5355 } 5356 if (result.size() > 1 || addEphemeral) { 5357 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5358 intent, flags, result, xpDomainInfo, userId); 5359 sortResult = true; 5360 } 5361 } 5362 } else { 5363 final PackageParser.Package pkg = mPackages.get(pkgName); 5364 if (pkg != null) { 5365 result = filterIfNotSystemUser( 5366 mActivities.queryIntentForPackage( 5367 intent, resolvedType, flags, pkg.activities, userId), 5368 userId); 5369 } else { 5370 // the caller wants to resolve for a particular package; however, there 5371 // were no installed results, so, try to find an ephemeral result 5372 addEphemeral = isEphemeralAllowed( 5373 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5374 matchEphemeralPackage = true; 5375 result = new ArrayList<ResolveInfo>(); 5376 } 5377 } 5378 } 5379 if (addEphemeral) { 5380 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5381 final EphemeralResolveInfo ai = getEphemeralResolveInfo( 5382 mContext, mEphemeralResolverConnection, intent, resolvedType, userId, 5383 matchEphemeralPackage ? pkgName : null); 5384 if (ai != null) { 5385 if (DEBUG_EPHEMERAL) { 5386 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5387 } 5388 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5389 ephemeralInstaller.ephemeralResolveInfo = ai; 5390 // make sure this resolver is the default 5391 ephemeralInstaller.isDefault = true; 5392 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5393 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5394 // add a non-generic filter 5395 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5396 ephemeralInstaller.filter.addDataPath( 5397 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5398 result.add(ephemeralInstaller); 5399 } 5400 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5401 } 5402 if (sortResult) { 5403 Collections.sort(result, mResolvePrioritySorter); 5404 } 5405 return result; 5406 } 5407 5408 private static class CrossProfileDomainInfo { 5409 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5410 ResolveInfo resolveInfo; 5411 /* Best domain verification status of the activities found in the other profile */ 5412 int bestDomainVerificationStatus; 5413 } 5414 5415 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5416 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5417 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5418 sourceUserId)) { 5419 return null; 5420 } 5421 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5422 resolvedType, flags, parentUserId); 5423 5424 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5425 return null; 5426 } 5427 CrossProfileDomainInfo result = null; 5428 int size = resultTargetUser.size(); 5429 for (int i = 0; i < size; i++) { 5430 ResolveInfo riTargetUser = resultTargetUser.get(i); 5431 // Intent filter verification is only for filters that specify a host. So don't return 5432 // those that handle all web uris. 5433 if (riTargetUser.handleAllWebDataURI) { 5434 continue; 5435 } 5436 String packageName = riTargetUser.activityInfo.packageName; 5437 PackageSetting ps = mSettings.mPackages.get(packageName); 5438 if (ps == null) { 5439 continue; 5440 } 5441 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5442 int status = (int)(verificationState >> 32); 5443 if (result == null) { 5444 result = new CrossProfileDomainInfo(); 5445 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5446 sourceUserId, parentUserId); 5447 result.bestDomainVerificationStatus = status; 5448 } else { 5449 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5450 result.bestDomainVerificationStatus); 5451 } 5452 } 5453 // Don't consider matches with status NEVER across profiles. 5454 if (result != null && result.bestDomainVerificationStatus 5455 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5456 return null; 5457 } 5458 return result; 5459 } 5460 5461 /** 5462 * Verification statuses are ordered from the worse to the best, except for 5463 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5464 */ 5465 private int bestDomainVerificationStatus(int status1, int status2) { 5466 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5467 return status2; 5468 } 5469 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5470 return status1; 5471 } 5472 return (int) MathUtils.max(status1, status2); 5473 } 5474 5475 private boolean isUserEnabled(int userId) { 5476 long callingId = Binder.clearCallingIdentity(); 5477 try { 5478 UserInfo userInfo = sUserManager.getUserInfo(userId); 5479 return userInfo != null && userInfo.isEnabled(); 5480 } finally { 5481 Binder.restoreCallingIdentity(callingId); 5482 } 5483 } 5484 5485 /** 5486 * Filter out activities with systemUserOnly flag set, when current user is not System. 5487 * 5488 * @return filtered list 5489 */ 5490 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5491 if (userId == UserHandle.USER_SYSTEM) { 5492 return resolveInfos; 5493 } 5494 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5495 ResolveInfo info = resolveInfos.get(i); 5496 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5497 resolveInfos.remove(i); 5498 } 5499 } 5500 return resolveInfos; 5501 } 5502 5503 /** 5504 * @param resolveInfos list of resolve infos in descending priority order 5505 * @return if the list contains a resolve info with non-negative priority 5506 */ 5507 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5508 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5509 } 5510 5511 private static boolean hasWebURI(Intent intent) { 5512 if (intent.getData() == null) { 5513 return false; 5514 } 5515 final String scheme = intent.getScheme(); 5516 if (TextUtils.isEmpty(scheme)) { 5517 return false; 5518 } 5519 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5520 } 5521 5522 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5523 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5524 int userId) { 5525 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5526 5527 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5528 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5529 candidates.size()); 5530 } 5531 5532 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5533 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5534 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5535 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5536 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5537 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5538 5539 synchronized (mPackages) { 5540 final int count = candidates.size(); 5541 // First, try to use linked apps. Partition the candidates into four lists: 5542 // one for the final results, one for the "do not use ever", one for "undefined status" 5543 // and finally one for "browser app type". 5544 for (int n=0; n<count; n++) { 5545 ResolveInfo info = candidates.get(n); 5546 String packageName = info.activityInfo.packageName; 5547 PackageSetting ps = mSettings.mPackages.get(packageName); 5548 if (ps != null) { 5549 // Add to the special match all list (Browser use case) 5550 if (info.handleAllWebDataURI) { 5551 matchAllList.add(info); 5552 continue; 5553 } 5554 // Try to get the status from User settings first 5555 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5556 int status = (int)(packedStatus >> 32); 5557 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5558 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5559 if (DEBUG_DOMAIN_VERIFICATION) { 5560 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5561 + " : linkgen=" + linkGeneration); 5562 } 5563 // Use link-enabled generation as preferredOrder, i.e. 5564 // prefer newly-enabled over earlier-enabled. 5565 info.preferredOrder = linkGeneration; 5566 alwaysList.add(info); 5567 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5568 if (DEBUG_DOMAIN_VERIFICATION) { 5569 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5570 } 5571 neverList.add(info); 5572 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5573 if (DEBUG_DOMAIN_VERIFICATION) { 5574 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5575 } 5576 alwaysAskList.add(info); 5577 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5578 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5579 if (DEBUG_DOMAIN_VERIFICATION) { 5580 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5581 } 5582 undefinedList.add(info); 5583 } 5584 } 5585 } 5586 5587 // We'll want to include browser possibilities in a few cases 5588 boolean includeBrowser = false; 5589 5590 // First try to add the "always" resolution(s) for the current user, if any 5591 if (alwaysList.size() > 0) { 5592 result.addAll(alwaysList); 5593 } else { 5594 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5595 result.addAll(undefinedList); 5596 // Maybe add one for the other profile. 5597 if (xpDomainInfo != null && ( 5598 xpDomainInfo.bestDomainVerificationStatus 5599 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5600 result.add(xpDomainInfo.resolveInfo); 5601 } 5602 includeBrowser = true; 5603 } 5604 5605 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5606 // If there were 'always' entries their preferred order has been set, so we also 5607 // back that off to make the alternatives equivalent 5608 if (alwaysAskList.size() > 0) { 5609 for (ResolveInfo i : result) { 5610 i.preferredOrder = 0; 5611 } 5612 result.addAll(alwaysAskList); 5613 includeBrowser = true; 5614 } 5615 5616 if (includeBrowser) { 5617 // Also add browsers (all of them or only the default one) 5618 if (DEBUG_DOMAIN_VERIFICATION) { 5619 Slog.v(TAG, " ...including browsers in candidate set"); 5620 } 5621 if ((matchFlags & MATCH_ALL) != 0) { 5622 result.addAll(matchAllList); 5623 } else { 5624 // Browser/generic handling case. If there's a default browser, go straight 5625 // to that (but only if there is no other higher-priority match). 5626 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5627 int maxMatchPrio = 0; 5628 ResolveInfo defaultBrowserMatch = null; 5629 final int numCandidates = matchAllList.size(); 5630 for (int n = 0; n < numCandidates; n++) { 5631 ResolveInfo info = matchAllList.get(n); 5632 // track the highest overall match priority... 5633 if (info.priority > maxMatchPrio) { 5634 maxMatchPrio = info.priority; 5635 } 5636 // ...and the highest-priority default browser match 5637 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5638 if (defaultBrowserMatch == null 5639 || (defaultBrowserMatch.priority < info.priority)) { 5640 if (debug) { 5641 Slog.v(TAG, "Considering default browser match " + info); 5642 } 5643 defaultBrowserMatch = info; 5644 } 5645 } 5646 } 5647 if (defaultBrowserMatch != null 5648 && defaultBrowserMatch.priority >= maxMatchPrio 5649 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5650 { 5651 if (debug) { 5652 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5653 } 5654 result.add(defaultBrowserMatch); 5655 } else { 5656 result.addAll(matchAllList); 5657 } 5658 } 5659 5660 // If there is nothing selected, add all candidates and remove the ones that the user 5661 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5662 if (result.size() == 0) { 5663 result.addAll(candidates); 5664 result.removeAll(neverList); 5665 } 5666 } 5667 } 5668 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5669 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5670 result.size()); 5671 for (ResolveInfo info : result) { 5672 Slog.v(TAG, " + " + info.activityInfo); 5673 } 5674 } 5675 return result; 5676 } 5677 5678 // Returns a packed value as a long: 5679 // 5680 // high 'int'-sized word: link status: undefined/ask/never/always. 5681 // low 'int'-sized word: relative priority among 'always' results. 5682 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5683 long result = ps.getDomainVerificationStatusForUser(userId); 5684 // if none available, get the master status 5685 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5686 if (ps.getIntentFilterVerificationInfo() != null) { 5687 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5688 } 5689 } 5690 return result; 5691 } 5692 5693 private ResolveInfo querySkipCurrentProfileIntents( 5694 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5695 int flags, int sourceUserId) { 5696 if (matchingFilters != null) { 5697 int size = matchingFilters.size(); 5698 for (int i = 0; i < size; i ++) { 5699 CrossProfileIntentFilter filter = matchingFilters.get(i); 5700 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5701 // Checking if there are activities in the target user that can handle the 5702 // intent. 5703 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5704 resolvedType, flags, sourceUserId); 5705 if (resolveInfo != null) { 5706 return resolveInfo; 5707 } 5708 } 5709 } 5710 } 5711 return null; 5712 } 5713 5714 // Return matching ResolveInfo in target user if any. 5715 private ResolveInfo queryCrossProfileIntents( 5716 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5717 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5718 if (matchingFilters != null) { 5719 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5720 // match the same intent. For performance reasons, it is better not to 5721 // run queryIntent twice for the same userId 5722 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5723 int size = matchingFilters.size(); 5724 for (int i = 0; i < size; i++) { 5725 CrossProfileIntentFilter filter = matchingFilters.get(i); 5726 int targetUserId = filter.getTargetUserId(); 5727 boolean skipCurrentProfile = 5728 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5729 boolean skipCurrentProfileIfNoMatchFound = 5730 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5731 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5732 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5733 // Checking if there are activities in the target user that can handle the 5734 // intent. 5735 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5736 resolvedType, flags, sourceUserId); 5737 if (resolveInfo != null) return resolveInfo; 5738 alreadyTriedUserIds.put(targetUserId, true); 5739 } 5740 } 5741 } 5742 return null; 5743 } 5744 5745 /** 5746 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5747 * will forward the intent to the filter's target user. 5748 * Otherwise, returns null. 5749 */ 5750 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5751 String resolvedType, int flags, int sourceUserId) { 5752 int targetUserId = filter.getTargetUserId(); 5753 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5754 resolvedType, flags, targetUserId); 5755 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5756 // If all the matches in the target profile are suspended, return null. 5757 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5758 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5759 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5760 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5761 targetUserId); 5762 } 5763 } 5764 } 5765 return null; 5766 } 5767 5768 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5769 int sourceUserId, int targetUserId) { 5770 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5771 long ident = Binder.clearCallingIdentity(); 5772 boolean targetIsProfile; 5773 try { 5774 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5775 } finally { 5776 Binder.restoreCallingIdentity(ident); 5777 } 5778 String className; 5779 if (targetIsProfile) { 5780 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5781 } else { 5782 className = FORWARD_INTENT_TO_PARENT; 5783 } 5784 ComponentName forwardingActivityComponentName = new ComponentName( 5785 mAndroidApplication.packageName, className); 5786 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5787 sourceUserId); 5788 if (!targetIsProfile) { 5789 forwardingActivityInfo.showUserIcon = targetUserId; 5790 forwardingResolveInfo.noResourceId = true; 5791 } 5792 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5793 forwardingResolveInfo.priority = 0; 5794 forwardingResolveInfo.preferredOrder = 0; 5795 forwardingResolveInfo.match = 0; 5796 forwardingResolveInfo.isDefault = true; 5797 forwardingResolveInfo.filter = filter; 5798 forwardingResolveInfo.targetUserId = targetUserId; 5799 return forwardingResolveInfo; 5800 } 5801 5802 @Override 5803 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5804 Intent[] specifics, String[] specificTypes, Intent intent, 5805 String resolvedType, int flags, int userId) { 5806 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5807 specificTypes, intent, resolvedType, flags, userId)); 5808 } 5809 5810 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5811 Intent[] specifics, String[] specificTypes, Intent intent, 5812 String resolvedType, int flags, int userId) { 5813 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5814 flags = updateFlagsForResolve(flags, userId, intent); 5815 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5816 false /* requireFullPermission */, false /* checkShell */, 5817 "query intent activity options"); 5818 final String resultsAction = intent.getAction(); 5819 5820 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5821 | PackageManager.GET_RESOLVED_FILTER, userId); 5822 5823 if (DEBUG_INTENT_MATCHING) { 5824 Log.v(TAG, "Query " + intent + ": " + results); 5825 } 5826 5827 int specificsPos = 0; 5828 int N; 5829 5830 // todo: note that the algorithm used here is O(N^2). This 5831 // isn't a problem in our current environment, but if we start running 5832 // into situations where we have more than 5 or 10 matches then this 5833 // should probably be changed to something smarter... 5834 5835 // First we go through and resolve each of the specific items 5836 // that were supplied, taking care of removing any corresponding 5837 // duplicate items in the generic resolve list. 5838 if (specifics != null) { 5839 for (int i=0; i<specifics.length; i++) { 5840 final Intent sintent = specifics[i]; 5841 if (sintent == null) { 5842 continue; 5843 } 5844 5845 if (DEBUG_INTENT_MATCHING) { 5846 Log.v(TAG, "Specific #" + i + ": " + sintent); 5847 } 5848 5849 String action = sintent.getAction(); 5850 if (resultsAction != null && resultsAction.equals(action)) { 5851 // If this action was explicitly requested, then don't 5852 // remove things that have it. 5853 action = null; 5854 } 5855 5856 ResolveInfo ri = null; 5857 ActivityInfo ai = null; 5858 5859 ComponentName comp = sintent.getComponent(); 5860 if (comp == null) { 5861 ri = resolveIntent( 5862 sintent, 5863 specificTypes != null ? specificTypes[i] : null, 5864 flags, userId); 5865 if (ri == null) { 5866 continue; 5867 } 5868 if (ri == mResolveInfo) { 5869 // ACK! Must do something better with this. 5870 } 5871 ai = ri.activityInfo; 5872 comp = new ComponentName(ai.applicationInfo.packageName, 5873 ai.name); 5874 } else { 5875 ai = getActivityInfo(comp, flags, userId); 5876 if (ai == null) { 5877 continue; 5878 } 5879 } 5880 5881 // Look for any generic query activities that are duplicates 5882 // of this specific one, and remove them from the results. 5883 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5884 N = results.size(); 5885 int j; 5886 for (j=specificsPos; j<N; j++) { 5887 ResolveInfo sri = results.get(j); 5888 if ((sri.activityInfo.name.equals(comp.getClassName()) 5889 && sri.activityInfo.applicationInfo.packageName.equals( 5890 comp.getPackageName())) 5891 || (action != null && sri.filter.matchAction(action))) { 5892 results.remove(j); 5893 if (DEBUG_INTENT_MATCHING) Log.v( 5894 TAG, "Removing duplicate item from " + j 5895 + " due to specific " + specificsPos); 5896 if (ri == null) { 5897 ri = sri; 5898 } 5899 j--; 5900 N--; 5901 } 5902 } 5903 5904 // Add this specific item to its proper place. 5905 if (ri == null) { 5906 ri = new ResolveInfo(); 5907 ri.activityInfo = ai; 5908 } 5909 results.add(specificsPos, ri); 5910 ri.specificIndex = i; 5911 specificsPos++; 5912 } 5913 } 5914 5915 // Now we go through the remaining generic results and remove any 5916 // duplicate actions that are found here. 5917 N = results.size(); 5918 for (int i=specificsPos; i<N-1; i++) { 5919 final ResolveInfo rii = results.get(i); 5920 if (rii.filter == null) { 5921 continue; 5922 } 5923 5924 // Iterate over all of the actions of this result's intent 5925 // filter... typically this should be just one. 5926 final Iterator<String> it = rii.filter.actionsIterator(); 5927 if (it == null) { 5928 continue; 5929 } 5930 while (it.hasNext()) { 5931 final String action = it.next(); 5932 if (resultsAction != null && resultsAction.equals(action)) { 5933 // If this action was explicitly requested, then don't 5934 // remove things that have it. 5935 continue; 5936 } 5937 for (int j=i+1; j<N; j++) { 5938 final ResolveInfo rij = results.get(j); 5939 if (rij.filter != null && rij.filter.hasAction(action)) { 5940 results.remove(j); 5941 if (DEBUG_INTENT_MATCHING) Log.v( 5942 TAG, "Removing duplicate item from " + j 5943 + " due to action " + action + " at " + i); 5944 j--; 5945 N--; 5946 } 5947 } 5948 } 5949 5950 // If the caller didn't request filter information, drop it now 5951 // so we don't have to marshall/unmarshall it. 5952 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5953 rii.filter = null; 5954 } 5955 } 5956 5957 // Filter out the caller activity if so requested. 5958 if (caller != null) { 5959 N = results.size(); 5960 for (int i=0; i<N; i++) { 5961 ActivityInfo ainfo = results.get(i).activityInfo; 5962 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5963 && caller.getClassName().equals(ainfo.name)) { 5964 results.remove(i); 5965 break; 5966 } 5967 } 5968 } 5969 5970 // If the caller didn't request filter information, 5971 // drop them now so we don't have to 5972 // marshall/unmarshall it. 5973 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5974 N = results.size(); 5975 for (int i=0; i<N; i++) { 5976 results.get(i).filter = null; 5977 } 5978 } 5979 5980 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5981 return results; 5982 } 5983 5984 @Override 5985 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5986 String resolvedType, int flags, int userId) { 5987 return new ParceledListSlice<>( 5988 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5989 } 5990 5991 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5992 String resolvedType, int flags, int userId) { 5993 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5994 flags = updateFlagsForResolve(flags, userId, intent); 5995 ComponentName comp = intent.getComponent(); 5996 if (comp == null) { 5997 if (intent.getSelector() != null) { 5998 intent = intent.getSelector(); 5999 comp = intent.getComponent(); 6000 } 6001 } 6002 if (comp != null) { 6003 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6004 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6005 if (ai != null) { 6006 ResolveInfo ri = new ResolveInfo(); 6007 ri.activityInfo = ai; 6008 list.add(ri); 6009 } 6010 return list; 6011 } 6012 6013 // reader 6014 synchronized (mPackages) { 6015 String pkgName = intent.getPackage(); 6016 if (pkgName == null) { 6017 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6018 } 6019 final PackageParser.Package pkg = mPackages.get(pkgName); 6020 if (pkg != null) { 6021 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6022 userId); 6023 } 6024 return Collections.emptyList(); 6025 } 6026 } 6027 6028 @Override 6029 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6030 if (!sUserManager.exists(userId)) return null; 6031 flags = updateFlagsForResolve(flags, userId, intent); 6032 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6033 if (query != null) { 6034 if (query.size() >= 1) { 6035 // If there is more than one service with the same priority, 6036 // just arbitrarily pick the first one. 6037 return query.get(0); 6038 } 6039 } 6040 return null; 6041 } 6042 6043 @Override 6044 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6045 String resolvedType, int flags, int userId) { 6046 return new ParceledListSlice<>( 6047 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6048 } 6049 6050 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6051 String resolvedType, int flags, int userId) { 6052 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6053 flags = updateFlagsForResolve(flags, userId, intent); 6054 ComponentName comp = intent.getComponent(); 6055 if (comp == null) { 6056 if (intent.getSelector() != null) { 6057 intent = intent.getSelector(); 6058 comp = intent.getComponent(); 6059 } 6060 } 6061 if (comp != null) { 6062 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6063 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6064 if (si != null) { 6065 final ResolveInfo ri = new ResolveInfo(); 6066 ri.serviceInfo = si; 6067 list.add(ri); 6068 } 6069 return list; 6070 } 6071 6072 // reader 6073 synchronized (mPackages) { 6074 String pkgName = intent.getPackage(); 6075 if (pkgName == null) { 6076 return mServices.queryIntent(intent, resolvedType, flags, userId); 6077 } 6078 final PackageParser.Package pkg = mPackages.get(pkgName); 6079 if (pkg != null) { 6080 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6081 userId); 6082 } 6083 return Collections.emptyList(); 6084 } 6085 } 6086 6087 @Override 6088 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6089 String resolvedType, int flags, int userId) { 6090 return new ParceledListSlice<>( 6091 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6092 } 6093 6094 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6095 Intent intent, String resolvedType, int flags, int userId) { 6096 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6097 flags = updateFlagsForResolve(flags, userId, intent); 6098 ComponentName comp = intent.getComponent(); 6099 if (comp == null) { 6100 if (intent.getSelector() != null) { 6101 intent = intent.getSelector(); 6102 comp = intent.getComponent(); 6103 } 6104 } 6105 if (comp != null) { 6106 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6107 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6108 if (pi != null) { 6109 final ResolveInfo ri = new ResolveInfo(); 6110 ri.providerInfo = pi; 6111 list.add(ri); 6112 } 6113 return list; 6114 } 6115 6116 // reader 6117 synchronized (mPackages) { 6118 String pkgName = intent.getPackage(); 6119 if (pkgName == null) { 6120 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6121 } 6122 final PackageParser.Package pkg = mPackages.get(pkgName); 6123 if (pkg != null) { 6124 return mProviders.queryIntentForPackage( 6125 intent, resolvedType, flags, pkg.providers, userId); 6126 } 6127 return Collections.emptyList(); 6128 } 6129 } 6130 6131 @Override 6132 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6133 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6134 flags = updateFlagsForPackage(flags, userId, null); 6135 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6136 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6137 true /* requireFullPermission */, false /* checkShell */, 6138 "get installed packages"); 6139 6140 // writer 6141 synchronized (mPackages) { 6142 ArrayList<PackageInfo> list; 6143 if (listUninstalled) { 6144 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6145 for (PackageSetting ps : mSettings.mPackages.values()) { 6146 final PackageInfo pi; 6147 if (ps.pkg != null) { 6148 pi = generatePackageInfo(ps, flags, userId); 6149 } else { 6150 pi = generatePackageInfo(ps, flags, userId); 6151 } 6152 if (pi != null) { 6153 list.add(pi); 6154 } 6155 } 6156 } else { 6157 list = new ArrayList<PackageInfo>(mPackages.size()); 6158 for (PackageParser.Package p : mPackages.values()) { 6159 final PackageInfo pi = 6160 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6161 if (pi != null) { 6162 list.add(pi); 6163 } 6164 } 6165 } 6166 6167 return new ParceledListSlice<PackageInfo>(list); 6168 } 6169 } 6170 6171 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6172 String[] permissions, boolean[] tmp, int flags, int userId) { 6173 int numMatch = 0; 6174 final PermissionsState permissionsState = ps.getPermissionsState(); 6175 for (int i=0; i<permissions.length; i++) { 6176 final String permission = permissions[i]; 6177 if (permissionsState.hasPermission(permission, userId)) { 6178 tmp[i] = true; 6179 numMatch++; 6180 } else { 6181 tmp[i] = false; 6182 } 6183 } 6184 if (numMatch == 0) { 6185 return; 6186 } 6187 final PackageInfo pi; 6188 if (ps.pkg != null) { 6189 pi = generatePackageInfo(ps, flags, userId); 6190 } else { 6191 pi = generatePackageInfo(ps, flags, userId); 6192 } 6193 // The above might return null in cases of uninstalled apps or install-state 6194 // skew across users/profiles. 6195 if (pi != null) { 6196 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6197 if (numMatch == permissions.length) { 6198 pi.requestedPermissions = permissions; 6199 } else { 6200 pi.requestedPermissions = new String[numMatch]; 6201 numMatch = 0; 6202 for (int i=0; i<permissions.length; i++) { 6203 if (tmp[i]) { 6204 pi.requestedPermissions[numMatch] = permissions[i]; 6205 numMatch++; 6206 } 6207 } 6208 } 6209 } 6210 list.add(pi); 6211 } 6212 } 6213 6214 @Override 6215 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6216 String[] permissions, int flags, int userId) { 6217 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6218 flags = updateFlagsForPackage(flags, userId, permissions); 6219 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6220 6221 // writer 6222 synchronized (mPackages) { 6223 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6224 boolean[] tmpBools = new boolean[permissions.length]; 6225 if (listUninstalled) { 6226 for (PackageSetting ps : mSettings.mPackages.values()) { 6227 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6228 } 6229 } else { 6230 for (PackageParser.Package pkg : mPackages.values()) { 6231 PackageSetting ps = (PackageSetting)pkg.mExtras; 6232 if (ps != null) { 6233 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6234 userId); 6235 } 6236 } 6237 } 6238 6239 return new ParceledListSlice<PackageInfo>(list); 6240 } 6241 } 6242 6243 @Override 6244 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6245 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6246 flags = updateFlagsForApplication(flags, userId, null); 6247 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6248 6249 // writer 6250 synchronized (mPackages) { 6251 ArrayList<ApplicationInfo> list; 6252 if (listUninstalled) { 6253 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6254 for (PackageSetting ps : mSettings.mPackages.values()) { 6255 ApplicationInfo ai; 6256 if (ps.pkg != null) { 6257 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6258 ps.readUserState(userId), userId); 6259 } else { 6260 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6261 } 6262 if (ai != null) { 6263 list.add(ai); 6264 } 6265 } 6266 } else { 6267 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6268 for (PackageParser.Package p : mPackages.values()) { 6269 if (p.mExtras != null) { 6270 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6271 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6272 if (ai != null) { 6273 list.add(ai); 6274 } 6275 } 6276 } 6277 } 6278 6279 return new ParceledListSlice<ApplicationInfo>(list); 6280 } 6281 } 6282 6283 @Override 6284 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6285 if (isEphemeralDisabled()) { 6286 return null; 6287 } 6288 6289 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6290 "getEphemeralApplications"); 6291 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6292 true /* requireFullPermission */, false /* checkShell */, 6293 "getEphemeralApplications"); 6294 synchronized (mPackages) { 6295 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6296 .getEphemeralApplicationsLPw(userId); 6297 if (ephemeralApps != null) { 6298 return new ParceledListSlice<>(ephemeralApps); 6299 } 6300 } 6301 return null; 6302 } 6303 6304 @Override 6305 public boolean isEphemeralApplication(String packageName, int userId) { 6306 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6307 true /* requireFullPermission */, false /* checkShell */, 6308 "isEphemeral"); 6309 if (isEphemeralDisabled()) { 6310 return false; 6311 } 6312 6313 if (!isCallerSameApp(packageName)) { 6314 return false; 6315 } 6316 synchronized (mPackages) { 6317 PackageParser.Package pkg = mPackages.get(packageName); 6318 if (pkg != null) { 6319 return pkg.applicationInfo.isEphemeralApp(); 6320 } 6321 } 6322 return false; 6323 } 6324 6325 @Override 6326 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6327 if (isEphemeralDisabled()) { 6328 return null; 6329 } 6330 6331 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6332 true /* requireFullPermission */, false /* checkShell */, 6333 "getCookie"); 6334 if (!isCallerSameApp(packageName)) { 6335 return null; 6336 } 6337 synchronized (mPackages) { 6338 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6339 packageName, userId); 6340 } 6341 } 6342 6343 @Override 6344 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6345 if (isEphemeralDisabled()) { 6346 return true; 6347 } 6348 6349 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6350 true /* requireFullPermission */, true /* checkShell */, 6351 "setCookie"); 6352 if (!isCallerSameApp(packageName)) { 6353 return false; 6354 } 6355 synchronized (mPackages) { 6356 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6357 packageName, cookie, userId); 6358 } 6359 } 6360 6361 @Override 6362 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6363 if (isEphemeralDisabled()) { 6364 return null; 6365 } 6366 6367 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6368 "getEphemeralApplicationIcon"); 6369 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6370 true /* requireFullPermission */, false /* checkShell */, 6371 "getEphemeralApplicationIcon"); 6372 synchronized (mPackages) { 6373 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6374 packageName, userId); 6375 } 6376 } 6377 6378 private boolean isCallerSameApp(String packageName) { 6379 PackageParser.Package pkg = mPackages.get(packageName); 6380 return pkg != null 6381 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6382 } 6383 6384 @Override 6385 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6386 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6387 } 6388 6389 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6390 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6391 6392 // reader 6393 synchronized (mPackages) { 6394 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6395 final int userId = UserHandle.getCallingUserId(); 6396 while (i.hasNext()) { 6397 final PackageParser.Package p = i.next(); 6398 if (p.applicationInfo == null) continue; 6399 6400 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6401 && !p.applicationInfo.isDirectBootAware(); 6402 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6403 && p.applicationInfo.isDirectBootAware(); 6404 6405 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6406 && (!mSafeMode || isSystemApp(p)) 6407 && (matchesUnaware || matchesAware)) { 6408 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6409 if (ps != null) { 6410 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6411 ps.readUserState(userId), userId); 6412 if (ai != null) { 6413 finalList.add(ai); 6414 } 6415 } 6416 } 6417 } 6418 } 6419 6420 return finalList; 6421 } 6422 6423 @Override 6424 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6425 if (!sUserManager.exists(userId)) return null; 6426 flags = updateFlagsForComponent(flags, userId, name); 6427 // reader 6428 synchronized (mPackages) { 6429 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6430 PackageSetting ps = provider != null 6431 ? mSettings.mPackages.get(provider.owner.packageName) 6432 : null; 6433 return ps != null 6434 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6435 ? PackageParser.generateProviderInfo(provider, flags, 6436 ps.readUserState(userId), userId) 6437 : null; 6438 } 6439 } 6440 6441 /** 6442 * @deprecated 6443 */ 6444 @Deprecated 6445 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6446 // reader 6447 synchronized (mPackages) { 6448 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6449 .entrySet().iterator(); 6450 final int userId = UserHandle.getCallingUserId(); 6451 while (i.hasNext()) { 6452 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6453 PackageParser.Provider p = entry.getValue(); 6454 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6455 6456 if (ps != null && p.syncable 6457 && (!mSafeMode || (p.info.applicationInfo.flags 6458 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6459 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6460 ps.readUserState(userId), userId); 6461 if (info != null) { 6462 outNames.add(entry.getKey()); 6463 outInfo.add(info); 6464 } 6465 } 6466 } 6467 } 6468 } 6469 6470 @Override 6471 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6472 int uid, int flags) { 6473 final int userId = processName != null ? UserHandle.getUserId(uid) 6474 : UserHandle.getCallingUserId(); 6475 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6476 flags = updateFlagsForComponent(flags, userId, processName); 6477 6478 ArrayList<ProviderInfo> finalList = null; 6479 // reader 6480 synchronized (mPackages) { 6481 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6482 while (i.hasNext()) { 6483 final PackageParser.Provider p = i.next(); 6484 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6485 if (ps != null && p.info.authority != null 6486 && (processName == null 6487 || (p.info.processName.equals(processName) 6488 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6489 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6490 if (finalList == null) { 6491 finalList = new ArrayList<ProviderInfo>(3); 6492 } 6493 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6494 ps.readUserState(userId), userId); 6495 if (info != null) { 6496 finalList.add(info); 6497 } 6498 } 6499 } 6500 } 6501 6502 if (finalList != null) { 6503 Collections.sort(finalList, mProviderInitOrderSorter); 6504 return new ParceledListSlice<ProviderInfo>(finalList); 6505 } 6506 6507 return ParceledListSlice.emptyList(); 6508 } 6509 6510 @Override 6511 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6512 // reader 6513 synchronized (mPackages) { 6514 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6515 return PackageParser.generateInstrumentationInfo(i, flags); 6516 } 6517 } 6518 6519 @Override 6520 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6521 String targetPackage, int flags) { 6522 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6523 } 6524 6525 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6526 int flags) { 6527 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6528 6529 // reader 6530 synchronized (mPackages) { 6531 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6532 while (i.hasNext()) { 6533 final PackageParser.Instrumentation p = i.next(); 6534 if (targetPackage == null 6535 || targetPackage.equals(p.info.targetPackage)) { 6536 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6537 flags); 6538 if (ii != null) { 6539 finalList.add(ii); 6540 } 6541 } 6542 } 6543 } 6544 6545 return finalList; 6546 } 6547 6548 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6549 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6550 if (overlays == null) { 6551 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6552 return; 6553 } 6554 for (PackageParser.Package opkg : overlays.values()) { 6555 // Not much to do if idmap fails: we already logged the error 6556 // and we certainly don't want to abort installation of pkg simply 6557 // because an overlay didn't fit properly. For these reasons, 6558 // ignore the return value of createIdmapForPackagePairLI. 6559 createIdmapForPackagePairLI(pkg, opkg); 6560 } 6561 } 6562 6563 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6564 PackageParser.Package opkg) { 6565 if (!opkg.mTrustedOverlay) { 6566 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6567 opkg.baseCodePath + ": overlay not trusted"); 6568 return false; 6569 } 6570 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6571 if (overlaySet == null) { 6572 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6573 opkg.baseCodePath + " but target package has no known overlays"); 6574 return false; 6575 } 6576 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6577 // TODO: generate idmap for split APKs 6578 try { 6579 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6580 } catch (InstallerException e) { 6581 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6582 + opkg.baseCodePath); 6583 return false; 6584 } 6585 PackageParser.Package[] overlayArray = 6586 overlaySet.values().toArray(new PackageParser.Package[0]); 6587 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6588 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6589 return p1.mOverlayPriority - p2.mOverlayPriority; 6590 } 6591 }; 6592 Arrays.sort(overlayArray, cmp); 6593 6594 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6595 int i = 0; 6596 for (PackageParser.Package p : overlayArray) { 6597 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6598 } 6599 return true; 6600 } 6601 6602 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6603 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6604 try { 6605 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6606 } finally { 6607 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6608 } 6609 } 6610 6611 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6612 final File[] files = dir.listFiles(); 6613 if (ArrayUtils.isEmpty(files)) { 6614 Log.d(TAG, "No files in app dir " + dir); 6615 return; 6616 } 6617 6618 if (DEBUG_PACKAGE_SCANNING) { 6619 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6620 + " flags=0x" + Integer.toHexString(parseFlags)); 6621 } 6622 6623 for (File file : files) { 6624 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6625 && !PackageInstallerService.isStageName(file.getName()); 6626 if (!isPackage) { 6627 // Ignore entries which are not packages 6628 continue; 6629 } 6630 try { 6631 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6632 scanFlags, currentTime, null); 6633 } catch (PackageManagerException e) { 6634 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6635 6636 // Delete invalid userdata apps 6637 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6638 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6639 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6640 removeCodePathLI(file); 6641 } 6642 } 6643 } 6644 } 6645 6646 private static File getSettingsProblemFile() { 6647 File dataDir = Environment.getDataDirectory(); 6648 File systemDir = new File(dataDir, "system"); 6649 File fname = new File(systemDir, "uiderrors.txt"); 6650 return fname; 6651 } 6652 6653 static void reportSettingsProblem(int priority, String msg) { 6654 logCriticalInfo(priority, msg); 6655 } 6656 6657 static void logCriticalInfo(int priority, String msg) { 6658 Slog.println(priority, TAG, msg); 6659 EventLogTags.writePmCriticalInfo(msg); 6660 try { 6661 File fname = getSettingsProblemFile(); 6662 FileOutputStream out = new FileOutputStream(fname, true); 6663 PrintWriter pw = new FastPrintWriter(out); 6664 SimpleDateFormat formatter = new SimpleDateFormat(); 6665 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6666 pw.println(dateString + ": " + msg); 6667 pw.close(); 6668 FileUtils.setPermissions( 6669 fname.toString(), 6670 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6671 -1, -1); 6672 } catch (java.io.IOException e) { 6673 } 6674 } 6675 6676 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6677 if (srcFile.isDirectory()) { 6678 final File baseFile = new File(pkg.baseCodePath); 6679 long maxModifiedTime = baseFile.lastModified(); 6680 if (pkg.splitCodePaths != null) { 6681 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6682 final File splitFile = new File(pkg.splitCodePaths[i]); 6683 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6684 } 6685 } 6686 return maxModifiedTime; 6687 } 6688 return srcFile.lastModified(); 6689 } 6690 6691 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6692 final int policyFlags) throws PackageManagerException { 6693 // When upgrading from pre-N MR1, verify the package time stamp using the package 6694 // directory and not the APK file. 6695 final long lastModifiedTime = mIsPreNMR1Upgrade 6696 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6697 if (ps != null 6698 && ps.codePath.equals(srcFile) 6699 && ps.timeStamp == lastModifiedTime 6700 && !isCompatSignatureUpdateNeeded(pkg) 6701 && !isRecoverSignatureUpdateNeeded(pkg)) { 6702 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6703 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6704 ArraySet<PublicKey> signingKs; 6705 synchronized (mPackages) { 6706 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6707 } 6708 if (ps.signatures.mSignatures != null 6709 && ps.signatures.mSignatures.length != 0 6710 && signingKs != null) { 6711 // Optimization: reuse the existing cached certificates 6712 // if the package appears to be unchanged. 6713 pkg.mSignatures = ps.signatures.mSignatures; 6714 pkg.mSigningKeys = signingKs; 6715 return; 6716 } 6717 6718 Slog.w(TAG, "PackageSetting for " + ps.name 6719 + " is missing signatures. Collecting certs again to recover them."); 6720 } else { 6721 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6722 } 6723 6724 try { 6725 PackageParser.collectCertificates(pkg, policyFlags); 6726 } catch (PackageParserException e) { 6727 throw PackageManagerException.from(e); 6728 } 6729 } 6730 6731 /** 6732 * Traces a package scan. 6733 * @see #scanPackageLI(File, int, int, long, UserHandle) 6734 */ 6735 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6736 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6737 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6738 try { 6739 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6740 } finally { 6741 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6742 } 6743 } 6744 6745 /** 6746 * Scans a package and returns the newly parsed package. 6747 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6748 */ 6749 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6750 long currentTime, UserHandle user) throws PackageManagerException { 6751 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6752 PackageParser pp = new PackageParser(); 6753 pp.setSeparateProcesses(mSeparateProcesses); 6754 pp.setOnlyCoreApps(mOnlyCore); 6755 pp.setDisplayMetrics(mMetrics); 6756 6757 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6758 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6759 } 6760 6761 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6762 final PackageParser.Package pkg; 6763 try { 6764 pkg = pp.parsePackage(scanFile, parseFlags); 6765 } catch (PackageParserException e) { 6766 throw PackageManagerException.from(e); 6767 } finally { 6768 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6769 } 6770 6771 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6772 } 6773 6774 /** 6775 * Scans a package and returns the newly parsed package. 6776 * @throws PackageManagerException on a parse error. 6777 */ 6778 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6779 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6780 throws PackageManagerException { 6781 // If the package has children and this is the first dive in the function 6782 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6783 // packages (parent and children) would be successfully scanned before the 6784 // actual scan since scanning mutates internal state and we want to atomically 6785 // install the package and its children. 6786 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6787 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6788 scanFlags |= SCAN_CHECK_ONLY; 6789 } 6790 } else { 6791 scanFlags &= ~SCAN_CHECK_ONLY; 6792 } 6793 6794 // Scan the parent 6795 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6796 scanFlags, currentTime, user); 6797 6798 // Scan the children 6799 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6800 for (int i = 0; i < childCount; i++) { 6801 PackageParser.Package childPackage = pkg.childPackages.get(i); 6802 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6803 currentTime, user); 6804 } 6805 6806 6807 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6808 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6809 } 6810 6811 return scannedPkg; 6812 } 6813 6814 /** 6815 * Scans a package and returns the newly parsed package. 6816 * @throws PackageManagerException on a parse error. 6817 */ 6818 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6819 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6820 throws PackageManagerException { 6821 PackageSetting ps = null; 6822 PackageSetting updatedPkg; 6823 // reader 6824 synchronized (mPackages) { 6825 // Look to see if we already know about this package. 6826 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6827 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6828 // This package has been renamed to its original name. Let's 6829 // use that. 6830 ps = mSettings.peekPackageLPr(oldName); 6831 } 6832 // If there was no original package, see one for the real package name. 6833 if (ps == null) { 6834 ps = mSettings.peekPackageLPr(pkg.packageName); 6835 } 6836 // Check to see if this package could be hiding/updating a system 6837 // package. Must look for it either under the original or real 6838 // package name depending on our state. 6839 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6840 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6841 6842 // If this is a package we don't know about on the system partition, we 6843 // may need to remove disabled child packages on the system partition 6844 // or may need to not add child packages if the parent apk is updated 6845 // on the data partition and no longer defines this child package. 6846 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6847 // If this is a parent package for an updated system app and this system 6848 // app got an OTA update which no longer defines some of the child packages 6849 // we have to prune them from the disabled system packages. 6850 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6851 if (disabledPs != null) { 6852 final int scannedChildCount = (pkg.childPackages != null) 6853 ? pkg.childPackages.size() : 0; 6854 final int disabledChildCount = disabledPs.childPackageNames != null 6855 ? disabledPs.childPackageNames.size() : 0; 6856 for (int i = 0; i < disabledChildCount; i++) { 6857 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6858 boolean disabledPackageAvailable = false; 6859 for (int j = 0; j < scannedChildCount; j++) { 6860 PackageParser.Package childPkg = pkg.childPackages.get(j); 6861 if (childPkg.packageName.equals(disabledChildPackageName)) { 6862 disabledPackageAvailable = true; 6863 break; 6864 } 6865 } 6866 if (!disabledPackageAvailable) { 6867 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6868 } 6869 } 6870 } 6871 } 6872 } 6873 6874 boolean updatedPkgBetter = false; 6875 // First check if this is a system package that may involve an update 6876 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6877 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6878 // it needs to drop FLAG_PRIVILEGED. 6879 if (locationIsPrivileged(scanFile)) { 6880 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6881 } else { 6882 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6883 } 6884 6885 if (ps != null && !ps.codePath.equals(scanFile)) { 6886 // The path has changed from what was last scanned... check the 6887 // version of the new path against what we have stored to determine 6888 // what to do. 6889 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6890 if (pkg.mVersionCode <= ps.versionCode) { 6891 // The system package has been updated and the code path does not match 6892 // Ignore entry. Skip it. 6893 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6894 + " ignored: updated version " + ps.versionCode 6895 + " better than this " + pkg.mVersionCode); 6896 if (!updatedPkg.codePath.equals(scanFile)) { 6897 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6898 + ps.name + " changing from " + updatedPkg.codePathString 6899 + " to " + scanFile); 6900 updatedPkg.codePath = scanFile; 6901 updatedPkg.codePathString = scanFile.toString(); 6902 updatedPkg.resourcePath = scanFile; 6903 updatedPkg.resourcePathString = scanFile.toString(); 6904 } 6905 updatedPkg.pkg = pkg; 6906 updatedPkg.versionCode = pkg.mVersionCode; 6907 6908 // Update the disabled system child packages to point to the package too. 6909 final int childCount = updatedPkg.childPackageNames != null 6910 ? updatedPkg.childPackageNames.size() : 0; 6911 for (int i = 0; i < childCount; i++) { 6912 String childPackageName = updatedPkg.childPackageNames.get(i); 6913 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6914 childPackageName); 6915 if (updatedChildPkg != null) { 6916 updatedChildPkg.pkg = pkg; 6917 updatedChildPkg.versionCode = pkg.mVersionCode; 6918 } 6919 } 6920 6921 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6922 + scanFile + " ignored: updated version " + ps.versionCode 6923 + " better than this " + pkg.mVersionCode); 6924 } else { 6925 // The current app on the system partition is better than 6926 // what we have updated to on the data partition; switch 6927 // back to the system partition version. 6928 // At this point, its safely assumed that package installation for 6929 // apps in system partition will go through. If not there won't be a working 6930 // version of the app 6931 // writer 6932 synchronized (mPackages) { 6933 // Just remove the loaded entries from package lists. 6934 mPackages.remove(ps.name); 6935 } 6936 6937 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6938 + " reverting from " + ps.codePathString 6939 + ": new version " + pkg.mVersionCode 6940 + " better than installed " + ps.versionCode); 6941 6942 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6943 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6944 synchronized (mInstallLock) { 6945 args.cleanUpResourcesLI(); 6946 } 6947 synchronized (mPackages) { 6948 mSettings.enableSystemPackageLPw(ps.name); 6949 } 6950 updatedPkgBetter = true; 6951 } 6952 } 6953 } 6954 6955 if (updatedPkg != null) { 6956 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6957 // initially 6958 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6959 6960 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6961 // flag set initially 6962 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6963 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6964 } 6965 } 6966 6967 // Verify certificates against what was last scanned 6968 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6969 6970 /* 6971 * A new system app appeared, but we already had a non-system one of the 6972 * same name installed earlier. 6973 */ 6974 boolean shouldHideSystemApp = false; 6975 if (updatedPkg == null && ps != null 6976 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6977 /* 6978 * Check to make sure the signatures match first. If they don't, 6979 * wipe the installed application and its data. 6980 */ 6981 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6982 != PackageManager.SIGNATURE_MATCH) { 6983 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6984 + " signatures don't match existing userdata copy; removing"); 6985 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6986 "scanPackageInternalLI")) { 6987 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6988 } 6989 ps = null; 6990 } else { 6991 /* 6992 * If the newly-added system app is an older version than the 6993 * already installed version, hide it. It will be scanned later 6994 * and re-added like an update. 6995 */ 6996 if (pkg.mVersionCode <= ps.versionCode) { 6997 shouldHideSystemApp = true; 6998 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6999 + " but new version " + pkg.mVersionCode + " better than installed " 7000 + ps.versionCode + "; hiding system"); 7001 } else { 7002 /* 7003 * The newly found system app is a newer version that the 7004 * one previously installed. Simply remove the 7005 * already-installed application and replace it with our own 7006 * while keeping the application data. 7007 */ 7008 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7009 + " reverting from " + ps.codePathString + ": new version " 7010 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7011 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7012 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7013 synchronized (mInstallLock) { 7014 args.cleanUpResourcesLI(); 7015 } 7016 } 7017 } 7018 } 7019 7020 // The apk is forward locked (not public) if its code and resources 7021 // are kept in different files. (except for app in either system or 7022 // vendor path). 7023 // TODO grab this value from PackageSettings 7024 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7025 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7026 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7027 } 7028 } 7029 7030 // TODO: extend to support forward-locked splits 7031 String resourcePath = null; 7032 String baseResourcePath = null; 7033 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7034 if (ps != null && ps.resourcePathString != null) { 7035 resourcePath = ps.resourcePathString; 7036 baseResourcePath = ps.resourcePathString; 7037 } else { 7038 // Should not happen at all. Just log an error. 7039 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7040 } 7041 } else { 7042 resourcePath = pkg.codePath; 7043 baseResourcePath = pkg.baseCodePath; 7044 } 7045 7046 // Set application objects path explicitly. 7047 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7048 pkg.setApplicationInfoCodePath(pkg.codePath); 7049 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7050 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7051 pkg.setApplicationInfoResourcePath(resourcePath); 7052 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7053 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7054 7055 // Note that we invoke the following method only if we are about to unpack an application 7056 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7057 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7058 7059 /* 7060 * If the system app should be overridden by a previously installed 7061 * data, hide the system app now and let the /data/app scan pick it up 7062 * again. 7063 */ 7064 if (shouldHideSystemApp) { 7065 synchronized (mPackages) { 7066 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7067 } 7068 } 7069 7070 return scannedPkg; 7071 } 7072 7073 private static String fixProcessName(String defProcessName, 7074 String processName, int uid) { 7075 if (processName == null) { 7076 return defProcessName; 7077 } 7078 return processName; 7079 } 7080 7081 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7082 throws PackageManagerException { 7083 if (pkgSetting.signatures.mSignatures != null) { 7084 // Already existing package. Make sure signatures match 7085 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7086 == PackageManager.SIGNATURE_MATCH; 7087 if (!match) { 7088 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7089 == PackageManager.SIGNATURE_MATCH; 7090 } 7091 if (!match) { 7092 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7093 == PackageManager.SIGNATURE_MATCH; 7094 } 7095 if (!match) { 7096 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7097 + pkg.packageName + " signatures do not match the " 7098 + "previously installed version; ignoring!"); 7099 } 7100 } 7101 7102 // Check for shared user signatures 7103 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7104 // Already existing package. Make sure signatures match 7105 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7106 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7107 if (!match) { 7108 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7109 == PackageManager.SIGNATURE_MATCH; 7110 } 7111 if (!match) { 7112 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7113 == PackageManager.SIGNATURE_MATCH; 7114 } 7115 if (!match) { 7116 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7117 "Package " + pkg.packageName 7118 + " has no signatures that match those in shared user " 7119 + pkgSetting.sharedUser.name + "; ignoring!"); 7120 } 7121 } 7122 } 7123 7124 /** 7125 * Enforces that only the system UID or root's UID can call a method exposed 7126 * via Binder. 7127 * 7128 * @param message used as message if SecurityException is thrown 7129 * @throws SecurityException if the caller is not system or root 7130 */ 7131 private static final void enforceSystemOrRoot(String message) { 7132 final int uid = Binder.getCallingUid(); 7133 if (uid != Process.SYSTEM_UID && uid != 0) { 7134 throw new SecurityException(message); 7135 } 7136 } 7137 7138 @Override 7139 public void performFstrimIfNeeded() { 7140 enforceSystemOrRoot("Only the system can request fstrim"); 7141 7142 // Before everything else, see whether we need to fstrim. 7143 try { 7144 IMountService ms = PackageHelper.getMountService(); 7145 if (ms != null) { 7146 boolean doTrim = false; 7147 final long interval = android.provider.Settings.Global.getLong( 7148 mContext.getContentResolver(), 7149 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7150 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7151 if (interval > 0) { 7152 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7153 if (timeSinceLast > interval) { 7154 doTrim = true; 7155 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7156 + "; running immediately"); 7157 } 7158 } 7159 if (doTrim) { 7160 final boolean dexOptDialogShown; 7161 synchronized (mPackages) { 7162 dexOptDialogShown = mDexOptDialogShown; 7163 } 7164 if (!isFirstBoot() && dexOptDialogShown) { 7165 try { 7166 ActivityManagerNative.getDefault().showBootMessage( 7167 mContext.getResources().getString( 7168 R.string.android_upgrading_fstrim), true); 7169 } catch (RemoteException e) { 7170 } 7171 } 7172 ms.runMaintenance(); 7173 } 7174 } else { 7175 Slog.e(TAG, "Mount service unavailable!"); 7176 } 7177 } catch (RemoteException e) { 7178 // Can't happen; MountService is local 7179 } 7180 } 7181 7182 @Override 7183 public void updatePackagesIfNeeded() { 7184 enforceSystemOrRoot("Only the system can request package update"); 7185 7186 // We need to re-extract after an OTA. 7187 boolean causeUpgrade = isUpgrade(); 7188 7189 // First boot or factory reset. 7190 // Note: we also handle devices that are upgrading to N right now as if it is their 7191 // first boot, as they do not have profile data. 7192 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7193 7194 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7195 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7196 7197 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7198 return; 7199 } 7200 7201 List<PackageParser.Package> pkgs; 7202 synchronized (mPackages) { 7203 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7204 } 7205 7206 final long startTime = System.nanoTime(); 7207 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7208 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7209 7210 final int elapsedTimeSeconds = 7211 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7212 7213 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7214 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7215 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7216 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7217 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7218 } 7219 7220 /** 7221 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7222 * containing statistics about the invocation. The array consists of three elements, 7223 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7224 * and {@code numberOfPackagesFailed}. 7225 */ 7226 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7227 String compilerFilter) { 7228 7229 int numberOfPackagesVisited = 0; 7230 int numberOfPackagesOptimized = 0; 7231 int numberOfPackagesSkipped = 0; 7232 int numberOfPackagesFailed = 0; 7233 final int numberOfPackagesToDexopt = pkgs.size(); 7234 7235 for (PackageParser.Package pkg : pkgs) { 7236 numberOfPackagesVisited++; 7237 7238 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7239 if (DEBUG_DEXOPT) { 7240 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7241 } 7242 numberOfPackagesSkipped++; 7243 continue; 7244 } 7245 7246 if (DEBUG_DEXOPT) { 7247 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7248 numberOfPackagesToDexopt + ": " + pkg.packageName); 7249 } 7250 7251 if (showDialog) { 7252 try { 7253 ActivityManagerNative.getDefault().showBootMessage( 7254 mContext.getResources().getString(R.string.android_upgrading_apk, 7255 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7256 } catch (RemoteException e) { 7257 } 7258 synchronized (mPackages) { 7259 mDexOptDialogShown = true; 7260 } 7261 } 7262 7263 // If the OTA updates a system app which was previously preopted to a non-preopted state 7264 // the app might end up being verified at runtime. That's because by default the apps 7265 // are verify-profile but for preopted apps there's no profile. 7266 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7267 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7268 // filter (by default interpret-only). 7269 // Note that at this stage unused apps are already filtered. 7270 if (isSystemApp(pkg) && 7271 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7272 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7273 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7274 } 7275 7276 // checkProfiles is false to avoid merging profiles during boot which 7277 // might interfere with background compilation (b/28612421). 7278 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7279 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7280 // trade-off worth doing to save boot time work. 7281 int dexOptStatus = performDexOptTraced(pkg.packageName, 7282 false /* checkProfiles */, 7283 compilerFilter, 7284 false /* force */); 7285 switch (dexOptStatus) { 7286 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7287 numberOfPackagesOptimized++; 7288 break; 7289 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7290 numberOfPackagesSkipped++; 7291 break; 7292 case PackageDexOptimizer.DEX_OPT_FAILED: 7293 numberOfPackagesFailed++; 7294 break; 7295 default: 7296 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7297 break; 7298 } 7299 } 7300 7301 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7302 numberOfPackagesFailed }; 7303 } 7304 7305 @Override 7306 public void notifyPackageUse(String packageName, int reason) { 7307 synchronized (mPackages) { 7308 PackageParser.Package p = mPackages.get(packageName); 7309 if (p == null) { 7310 return; 7311 } 7312 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7313 } 7314 } 7315 7316 // TODO: this is not used nor needed. Delete it. 7317 @Override 7318 public boolean performDexOptIfNeeded(String packageName) { 7319 int dexOptStatus = performDexOptTraced(packageName, 7320 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7321 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7322 } 7323 7324 @Override 7325 public boolean performDexOpt(String packageName, 7326 boolean checkProfiles, int compileReason, boolean force) { 7327 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7328 getCompilerFilterForReason(compileReason), force); 7329 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7330 } 7331 7332 @Override 7333 public boolean performDexOptMode(String packageName, 7334 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7335 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7336 targetCompilerFilter, force); 7337 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7338 } 7339 7340 private int performDexOptTraced(String packageName, 7341 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7342 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7343 try { 7344 return performDexOptInternal(packageName, checkProfiles, 7345 targetCompilerFilter, force); 7346 } finally { 7347 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7348 } 7349 } 7350 7351 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7352 // if the package can now be considered up to date for the given filter. 7353 private int performDexOptInternal(String packageName, 7354 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7355 PackageParser.Package p; 7356 synchronized (mPackages) { 7357 p = mPackages.get(packageName); 7358 if (p == null) { 7359 // Package could not be found. Report failure. 7360 return PackageDexOptimizer.DEX_OPT_FAILED; 7361 } 7362 mPackageUsage.maybeWriteAsync(mPackages); 7363 mCompilerStats.maybeWriteAsync(); 7364 } 7365 long callingId = Binder.clearCallingIdentity(); 7366 try { 7367 synchronized (mInstallLock) { 7368 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7369 targetCompilerFilter, force); 7370 } 7371 } finally { 7372 Binder.restoreCallingIdentity(callingId); 7373 } 7374 } 7375 7376 public ArraySet<String> getOptimizablePackages() { 7377 ArraySet<String> pkgs = new ArraySet<String>(); 7378 synchronized (mPackages) { 7379 for (PackageParser.Package p : mPackages.values()) { 7380 if (PackageDexOptimizer.canOptimizePackage(p)) { 7381 pkgs.add(p.packageName); 7382 } 7383 } 7384 } 7385 return pkgs; 7386 } 7387 7388 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7389 boolean checkProfiles, String targetCompilerFilter, 7390 boolean force) { 7391 // Select the dex optimizer based on the force parameter. 7392 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7393 // allocate an object here. 7394 PackageDexOptimizer pdo = force 7395 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7396 : mPackageDexOptimizer; 7397 7398 // Optimize all dependencies first. Note: we ignore the return value and march on 7399 // on errors. 7400 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7401 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7402 if (!deps.isEmpty()) { 7403 for (PackageParser.Package depPackage : deps) { 7404 // TODO: Analyze and investigate if we (should) profile libraries. 7405 // Currently this will do a full compilation of the library by default. 7406 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7407 false /* checkProfiles */, 7408 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7409 getOrCreateCompilerPackageStats(depPackage)); 7410 } 7411 } 7412 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7413 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7414 } 7415 7416 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7417 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7418 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7419 Set<String> collectedNames = new HashSet<>(); 7420 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7421 7422 retValue.remove(p); 7423 7424 return retValue; 7425 } else { 7426 return Collections.emptyList(); 7427 } 7428 } 7429 7430 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7431 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7432 if (!collectedNames.contains(p.packageName)) { 7433 collectedNames.add(p.packageName); 7434 collected.add(p); 7435 7436 if (p.usesLibraries != null) { 7437 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7438 } 7439 if (p.usesOptionalLibraries != null) { 7440 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7441 collectedNames); 7442 } 7443 } 7444 } 7445 7446 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7447 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7448 for (String libName : libs) { 7449 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7450 if (libPkg != null) { 7451 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7452 } 7453 } 7454 } 7455 7456 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7457 synchronized (mPackages) { 7458 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7459 if (lib != null && lib.apk != null) { 7460 return mPackages.get(lib.apk); 7461 } 7462 } 7463 return null; 7464 } 7465 7466 public void shutdown() { 7467 mPackageUsage.writeNow(mPackages); 7468 mCompilerStats.writeNow(); 7469 } 7470 7471 @Override 7472 public void dumpProfiles(String packageName) { 7473 PackageParser.Package pkg; 7474 synchronized (mPackages) { 7475 pkg = mPackages.get(packageName); 7476 if (pkg == null) { 7477 throw new IllegalArgumentException("Unknown package: " + packageName); 7478 } 7479 } 7480 /* Only the shell, root, or the app user should be able to dump profiles. */ 7481 int callingUid = Binder.getCallingUid(); 7482 if (callingUid != Process.SHELL_UID && 7483 callingUid != Process.ROOT_UID && 7484 callingUid != pkg.applicationInfo.uid) { 7485 throw new SecurityException("dumpProfiles"); 7486 } 7487 7488 synchronized (mInstallLock) { 7489 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7490 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7491 try { 7492 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7493 String gid = Integer.toString(sharedGid); 7494 String codePaths = TextUtils.join(";", allCodePaths); 7495 mInstaller.dumpProfiles(gid, packageName, codePaths); 7496 } catch (InstallerException e) { 7497 Slog.w(TAG, "Failed to dump profiles", e); 7498 } 7499 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7500 } 7501 } 7502 7503 @Override 7504 public void forceDexOpt(String packageName) { 7505 enforceSystemOrRoot("forceDexOpt"); 7506 7507 PackageParser.Package pkg; 7508 synchronized (mPackages) { 7509 pkg = mPackages.get(packageName); 7510 if (pkg == null) { 7511 throw new IllegalArgumentException("Unknown package: " + packageName); 7512 } 7513 } 7514 7515 synchronized (mInstallLock) { 7516 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7517 7518 // Whoever is calling forceDexOpt wants a fully compiled package. 7519 // Don't use profiles since that may cause compilation to be skipped. 7520 final int res = performDexOptInternalWithDependenciesLI(pkg, 7521 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7522 true /* force */); 7523 7524 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7525 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7526 throw new IllegalStateException("Failed to dexopt: " + res); 7527 } 7528 } 7529 } 7530 7531 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7532 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7533 Slog.w(TAG, "Unable to update from " + oldPkg.name 7534 + " to " + newPkg.packageName 7535 + ": old package not in system partition"); 7536 return false; 7537 } else if (mPackages.get(oldPkg.name) != null) { 7538 Slog.w(TAG, "Unable to update from " + oldPkg.name 7539 + " to " + newPkg.packageName 7540 + ": old package still exists"); 7541 return false; 7542 } 7543 return true; 7544 } 7545 7546 void removeCodePathLI(File codePath) { 7547 if (codePath.isDirectory()) { 7548 try { 7549 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7550 } catch (InstallerException e) { 7551 Slog.w(TAG, "Failed to remove code path", e); 7552 } 7553 } else { 7554 codePath.delete(); 7555 } 7556 } 7557 7558 private int[] resolveUserIds(int userId) { 7559 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7560 } 7561 7562 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7563 if (pkg == null) { 7564 Slog.wtf(TAG, "Package was null!", new Throwable()); 7565 return; 7566 } 7567 clearAppDataLeafLIF(pkg, userId, flags); 7568 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7569 for (int i = 0; i < childCount; i++) { 7570 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7571 } 7572 } 7573 7574 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7575 final PackageSetting ps; 7576 synchronized (mPackages) { 7577 ps = mSettings.mPackages.get(pkg.packageName); 7578 } 7579 for (int realUserId : resolveUserIds(userId)) { 7580 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7581 try { 7582 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7583 ceDataInode); 7584 } catch (InstallerException e) { 7585 Slog.w(TAG, String.valueOf(e)); 7586 } 7587 } 7588 } 7589 7590 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7591 if (pkg == null) { 7592 Slog.wtf(TAG, "Package was null!", new Throwable()); 7593 return; 7594 } 7595 destroyAppDataLeafLIF(pkg, userId, flags); 7596 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7597 for (int i = 0; i < childCount; i++) { 7598 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7599 } 7600 } 7601 7602 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7603 final PackageSetting ps; 7604 synchronized (mPackages) { 7605 ps = mSettings.mPackages.get(pkg.packageName); 7606 } 7607 for (int realUserId : resolveUserIds(userId)) { 7608 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7609 try { 7610 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7611 ceDataInode); 7612 } catch (InstallerException e) { 7613 Slog.w(TAG, String.valueOf(e)); 7614 } 7615 } 7616 } 7617 7618 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7619 if (pkg == null) { 7620 Slog.wtf(TAG, "Package was null!", new Throwable()); 7621 return; 7622 } 7623 destroyAppProfilesLeafLIF(pkg); 7624 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7625 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7626 for (int i = 0; i < childCount; i++) { 7627 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7628 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7629 true /* removeBaseMarker */); 7630 } 7631 } 7632 7633 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7634 boolean removeBaseMarker) { 7635 if (pkg.isForwardLocked()) { 7636 return; 7637 } 7638 7639 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7640 try { 7641 path = PackageManagerServiceUtils.realpath(new File(path)); 7642 } catch (IOException e) { 7643 // TODO: Should we return early here ? 7644 Slog.w(TAG, "Failed to get canonical path", e); 7645 continue; 7646 } 7647 7648 final String useMarker = path.replace('/', '@'); 7649 for (int realUserId : resolveUserIds(userId)) { 7650 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7651 if (removeBaseMarker) { 7652 File foreignUseMark = new File(profileDir, useMarker); 7653 if (foreignUseMark.exists()) { 7654 if (!foreignUseMark.delete()) { 7655 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7656 + pkg.packageName); 7657 } 7658 } 7659 } 7660 7661 File[] markers = profileDir.listFiles(); 7662 if (markers != null) { 7663 final String searchString = "@" + pkg.packageName + "@"; 7664 // We also delete all markers that contain the package name we're 7665 // uninstalling. These are associated with secondary dex-files belonging 7666 // to the package. Reconstructing the path of these dex files is messy 7667 // in general. 7668 for (File marker : markers) { 7669 if (marker.getName().indexOf(searchString) > 0) { 7670 if (!marker.delete()) { 7671 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7672 + pkg.packageName); 7673 } 7674 } 7675 } 7676 } 7677 } 7678 } 7679 } 7680 7681 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7682 try { 7683 mInstaller.destroyAppProfiles(pkg.packageName); 7684 } catch (InstallerException e) { 7685 Slog.w(TAG, String.valueOf(e)); 7686 } 7687 } 7688 7689 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7690 if (pkg == null) { 7691 Slog.wtf(TAG, "Package was null!", new Throwable()); 7692 return; 7693 } 7694 clearAppProfilesLeafLIF(pkg); 7695 // We don't remove the base foreign use marker when clearing profiles because 7696 // we will rename it when the app is updated. Unlike the actual profile contents, 7697 // the foreign use marker is good across installs. 7698 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7699 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7700 for (int i = 0; i < childCount; i++) { 7701 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7702 } 7703 } 7704 7705 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7706 try { 7707 mInstaller.clearAppProfiles(pkg.packageName); 7708 } catch (InstallerException e) { 7709 Slog.w(TAG, String.valueOf(e)); 7710 } 7711 } 7712 7713 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7714 long lastUpdateTime) { 7715 // Set parent install/update time 7716 PackageSetting ps = (PackageSetting) pkg.mExtras; 7717 if (ps != null) { 7718 ps.firstInstallTime = firstInstallTime; 7719 ps.lastUpdateTime = lastUpdateTime; 7720 } 7721 // Set children install/update time 7722 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7723 for (int i = 0; i < childCount; i++) { 7724 PackageParser.Package childPkg = pkg.childPackages.get(i); 7725 ps = (PackageSetting) childPkg.mExtras; 7726 if (ps != null) { 7727 ps.firstInstallTime = firstInstallTime; 7728 ps.lastUpdateTime = lastUpdateTime; 7729 } 7730 } 7731 } 7732 7733 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7734 PackageParser.Package changingLib) { 7735 if (file.path != null) { 7736 usesLibraryFiles.add(file.path); 7737 return; 7738 } 7739 PackageParser.Package p = mPackages.get(file.apk); 7740 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7741 // If we are doing this while in the middle of updating a library apk, 7742 // then we need to make sure to use that new apk for determining the 7743 // dependencies here. (We haven't yet finished committing the new apk 7744 // to the package manager state.) 7745 if (p == null || p.packageName.equals(changingLib.packageName)) { 7746 p = changingLib; 7747 } 7748 } 7749 if (p != null) { 7750 usesLibraryFiles.addAll(p.getAllCodePaths()); 7751 } 7752 } 7753 7754 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7755 PackageParser.Package changingLib) throws PackageManagerException { 7756 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7757 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7758 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7759 for (int i=0; i<N; i++) { 7760 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7761 if (file == null) { 7762 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7763 "Package " + pkg.packageName + " requires unavailable shared library " 7764 + pkg.usesLibraries.get(i) + "; failing!"); 7765 } 7766 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7767 } 7768 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7769 for (int i=0; i<N; i++) { 7770 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7771 if (file == null) { 7772 Slog.w(TAG, "Package " + pkg.packageName 7773 + " desires unavailable shared library " 7774 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7775 } else { 7776 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7777 } 7778 } 7779 N = usesLibraryFiles.size(); 7780 if (N > 0) { 7781 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7782 } else { 7783 pkg.usesLibraryFiles = null; 7784 } 7785 } 7786 } 7787 7788 private static boolean hasString(List<String> list, List<String> which) { 7789 if (list == null) { 7790 return false; 7791 } 7792 for (int i=list.size()-1; i>=0; i--) { 7793 for (int j=which.size()-1; j>=0; j--) { 7794 if (which.get(j).equals(list.get(i))) { 7795 return true; 7796 } 7797 } 7798 } 7799 return false; 7800 } 7801 7802 private void updateAllSharedLibrariesLPw() { 7803 for (PackageParser.Package pkg : mPackages.values()) { 7804 try { 7805 updateSharedLibrariesLPw(pkg, null); 7806 } catch (PackageManagerException e) { 7807 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7808 } 7809 } 7810 } 7811 7812 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7813 PackageParser.Package changingPkg) { 7814 ArrayList<PackageParser.Package> res = null; 7815 for (PackageParser.Package pkg : mPackages.values()) { 7816 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7817 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7818 if (res == null) { 7819 res = new ArrayList<PackageParser.Package>(); 7820 } 7821 res.add(pkg); 7822 try { 7823 updateSharedLibrariesLPw(pkg, changingPkg); 7824 } catch (PackageManagerException e) { 7825 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7826 } 7827 } 7828 } 7829 return res; 7830 } 7831 7832 /** 7833 * Derive the value of the {@code cpuAbiOverride} based on the provided 7834 * value and an optional stored value from the package settings. 7835 */ 7836 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7837 String cpuAbiOverride = null; 7838 7839 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7840 cpuAbiOverride = null; 7841 } else if (abiOverride != null) { 7842 cpuAbiOverride = abiOverride; 7843 } else if (settings != null) { 7844 cpuAbiOverride = settings.cpuAbiOverrideString; 7845 } 7846 7847 return cpuAbiOverride; 7848 } 7849 7850 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7851 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7852 throws PackageManagerException { 7853 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7854 // If the package has children and this is the first dive in the function 7855 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7856 // whether all packages (parent and children) would be successfully scanned 7857 // before the actual scan since scanning mutates internal state and we want 7858 // to atomically install the package and its children. 7859 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7860 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7861 scanFlags |= SCAN_CHECK_ONLY; 7862 } 7863 } else { 7864 scanFlags &= ~SCAN_CHECK_ONLY; 7865 } 7866 7867 final PackageParser.Package scannedPkg; 7868 try { 7869 // Scan the parent 7870 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7871 // Scan the children 7872 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7873 for (int i = 0; i < childCount; i++) { 7874 PackageParser.Package childPkg = pkg.childPackages.get(i); 7875 scanPackageLI(childPkg, policyFlags, 7876 scanFlags, currentTime, user); 7877 } 7878 } finally { 7879 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7880 } 7881 7882 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7883 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7884 } 7885 7886 return scannedPkg; 7887 } 7888 7889 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7890 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7891 boolean success = false; 7892 try { 7893 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7894 currentTime, user); 7895 success = true; 7896 return res; 7897 } finally { 7898 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7899 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7900 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7901 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7902 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7903 } 7904 } 7905 } 7906 7907 /** 7908 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7909 */ 7910 private static boolean apkHasCode(String fileName) { 7911 StrictJarFile jarFile = null; 7912 try { 7913 jarFile = new StrictJarFile(fileName, 7914 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7915 return jarFile.findEntry("classes.dex") != null; 7916 } catch (IOException ignore) { 7917 } finally { 7918 try { 7919 if (jarFile != null) { 7920 jarFile.close(); 7921 } 7922 } catch (IOException ignore) {} 7923 } 7924 return false; 7925 } 7926 7927 /** 7928 * Enforces code policy for the package. This ensures that if an APK has 7929 * declared hasCode="true" in its manifest that the APK actually contains 7930 * code. 7931 * 7932 * @throws PackageManagerException If bytecode could not be found when it should exist 7933 */ 7934 private static void enforceCodePolicy(PackageParser.Package pkg) 7935 throws PackageManagerException { 7936 final boolean shouldHaveCode = 7937 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7938 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7939 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7940 "Package " + pkg.baseCodePath + " code is missing"); 7941 } 7942 7943 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7944 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7945 final boolean splitShouldHaveCode = 7946 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7947 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7948 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7949 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7950 } 7951 } 7952 } 7953 } 7954 7955 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7956 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7957 throws PackageManagerException { 7958 final File scanFile = new File(pkg.codePath); 7959 if (pkg.applicationInfo.getCodePath() == null || 7960 pkg.applicationInfo.getResourcePath() == null) { 7961 // Bail out. The resource and code paths haven't been set. 7962 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7963 "Code and resource paths haven't been set correctly"); 7964 } 7965 7966 // Apply policy 7967 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7968 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7969 if (pkg.applicationInfo.isDirectBootAware()) { 7970 // we're direct boot aware; set for all components 7971 for (PackageParser.Service s : pkg.services) { 7972 s.info.encryptionAware = s.info.directBootAware = true; 7973 } 7974 for (PackageParser.Provider p : pkg.providers) { 7975 p.info.encryptionAware = p.info.directBootAware = true; 7976 } 7977 for (PackageParser.Activity a : pkg.activities) { 7978 a.info.encryptionAware = a.info.directBootAware = true; 7979 } 7980 for (PackageParser.Activity r : pkg.receivers) { 7981 r.info.encryptionAware = r.info.directBootAware = true; 7982 } 7983 } 7984 } else { 7985 // Only allow system apps to be flagged as core apps. 7986 pkg.coreApp = false; 7987 // clear flags not applicable to regular apps 7988 pkg.applicationInfo.privateFlags &= 7989 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7990 pkg.applicationInfo.privateFlags &= 7991 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7992 } 7993 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7994 7995 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7996 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7997 } 7998 7999 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8000 enforceCodePolicy(pkg); 8001 } 8002 8003 if (mCustomResolverComponentName != null && 8004 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8005 setUpCustomResolverActivity(pkg); 8006 } 8007 8008 if (pkg.packageName.equals("android")) { 8009 synchronized (mPackages) { 8010 if (mAndroidApplication != null) { 8011 Slog.w(TAG, "*************************************************"); 8012 Slog.w(TAG, "Core android package being redefined. Skipping."); 8013 Slog.w(TAG, " file=" + scanFile); 8014 Slog.w(TAG, "*************************************************"); 8015 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8016 "Core android package being redefined. Skipping."); 8017 } 8018 8019 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8020 // Set up information for our fall-back user intent resolution activity. 8021 mPlatformPackage = pkg; 8022 pkg.mVersionCode = mSdkVersion; 8023 mAndroidApplication = pkg.applicationInfo; 8024 8025 if (!mResolverReplaced) { 8026 mResolveActivity.applicationInfo = mAndroidApplication; 8027 mResolveActivity.name = ResolverActivity.class.getName(); 8028 mResolveActivity.packageName = mAndroidApplication.packageName; 8029 mResolveActivity.processName = "system:ui"; 8030 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8031 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8032 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8033 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8034 mResolveActivity.exported = true; 8035 mResolveActivity.enabled = true; 8036 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8037 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8038 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8039 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8040 | ActivityInfo.CONFIG_ORIENTATION 8041 | ActivityInfo.CONFIG_KEYBOARD 8042 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8043 mResolveInfo.activityInfo = mResolveActivity; 8044 mResolveInfo.priority = 0; 8045 mResolveInfo.preferredOrder = 0; 8046 mResolveInfo.match = 0; 8047 mResolveComponentName = new ComponentName( 8048 mAndroidApplication.packageName, mResolveActivity.name); 8049 } 8050 } 8051 } 8052 } 8053 8054 if (DEBUG_PACKAGE_SCANNING) { 8055 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8056 Log.d(TAG, "Scanning package " + pkg.packageName); 8057 } 8058 8059 synchronized (mPackages) { 8060 if (mPackages.containsKey(pkg.packageName) 8061 || mSharedLibraries.containsKey(pkg.packageName)) { 8062 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8063 "Application package " + pkg.packageName 8064 + " already installed. Skipping duplicate."); 8065 } 8066 8067 // If we're only installing presumed-existing packages, require that the 8068 // scanned APK is both already known and at the path previously established 8069 // for it. Previously unknown packages we pick up normally, but if we have an 8070 // a priori expectation about this package's install presence, enforce it. 8071 // With a singular exception for new system packages. When an OTA contains 8072 // a new system package, we allow the codepath to change from a system location 8073 // to the user-installed location. If we don't allow this change, any newer, 8074 // user-installed version of the application will be ignored. 8075 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8076 if (mExpectingBetter.containsKey(pkg.packageName)) { 8077 logCriticalInfo(Log.WARN, 8078 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8079 } else { 8080 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8081 if (known != null) { 8082 if (DEBUG_PACKAGE_SCANNING) { 8083 Log.d(TAG, "Examining " + pkg.codePath 8084 + " and requiring known paths " + known.codePathString 8085 + " & " + known.resourcePathString); 8086 } 8087 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8088 || !pkg.applicationInfo.getResourcePath().equals( 8089 known.resourcePathString)) { 8090 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8091 "Application package " + pkg.packageName 8092 + " found at " + pkg.applicationInfo.getCodePath() 8093 + " but expected at " + known.codePathString 8094 + "; ignoring."); 8095 } 8096 } 8097 } 8098 } 8099 } 8100 8101 // Initialize package source and resource directories 8102 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8103 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8104 8105 SharedUserSetting suid = null; 8106 PackageSetting pkgSetting = null; 8107 8108 if (!isSystemApp(pkg)) { 8109 // Only system apps can use these features. 8110 pkg.mOriginalPackages = null; 8111 pkg.mRealPackage = null; 8112 pkg.mAdoptPermissions = null; 8113 } 8114 8115 // Getting the package setting may have a side-effect, so if we 8116 // are only checking if scan would succeed, stash a copy of the 8117 // old setting to restore at the end. 8118 PackageSetting nonMutatedPs = null; 8119 8120 // writer 8121 synchronized (mPackages) { 8122 if (pkg.mSharedUserId != null) { 8123 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8124 if (suid == null) { 8125 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8126 "Creating application package " + pkg.packageName 8127 + " for shared user failed"); 8128 } 8129 if (DEBUG_PACKAGE_SCANNING) { 8130 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8131 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8132 + "): packages=" + suid.packages); 8133 } 8134 } 8135 8136 // Check if we are renaming from an original package name. 8137 PackageSetting origPackage = null; 8138 String realName = null; 8139 if (pkg.mOriginalPackages != null) { 8140 // This package may need to be renamed to a previously 8141 // installed name. Let's check on that... 8142 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8143 if (pkg.mOriginalPackages.contains(renamed)) { 8144 // This package had originally been installed as the 8145 // original name, and we have already taken care of 8146 // transitioning to the new one. Just update the new 8147 // one to continue using the old name. 8148 realName = pkg.mRealPackage; 8149 if (!pkg.packageName.equals(renamed)) { 8150 // Callers into this function may have already taken 8151 // care of renaming the package; only do it here if 8152 // it is not already done. 8153 pkg.setPackageName(renamed); 8154 } 8155 8156 } else { 8157 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8158 if ((origPackage = mSettings.peekPackageLPr( 8159 pkg.mOriginalPackages.get(i))) != null) { 8160 // We do have the package already installed under its 8161 // original name... should we use it? 8162 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8163 // New package is not compatible with original. 8164 origPackage = null; 8165 continue; 8166 } else if (origPackage.sharedUser != null) { 8167 // Make sure uid is compatible between packages. 8168 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8169 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8170 + " to " + pkg.packageName + ": old uid " 8171 + origPackage.sharedUser.name 8172 + " differs from " + pkg.mSharedUserId); 8173 origPackage = null; 8174 continue; 8175 } 8176 // TODO: Add case when shared user id is added [b/28144775] 8177 } else { 8178 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8179 + pkg.packageName + " to old name " + origPackage.name); 8180 } 8181 break; 8182 } 8183 } 8184 } 8185 } 8186 8187 if (mTransferedPackages.contains(pkg.packageName)) { 8188 Slog.w(TAG, "Package " + pkg.packageName 8189 + " was transferred to another, but its .apk remains"); 8190 } 8191 8192 // See comments in nonMutatedPs declaration 8193 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8194 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8195 if (foundPs != null) { 8196 nonMutatedPs = new PackageSetting(foundPs); 8197 } 8198 } 8199 8200 // Just create the setting, don't add it yet. For already existing packages 8201 // the PkgSetting exists already and doesn't have to be created. 8202 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8203 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8204 pkg.applicationInfo.primaryCpuAbi, 8205 pkg.applicationInfo.secondaryCpuAbi, 8206 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8207 user, false); 8208 if (pkgSetting == null) { 8209 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8210 "Creating application package " + pkg.packageName + " failed"); 8211 } 8212 8213 if (pkgSetting.origPackage != null) { 8214 // If we are first transitioning from an original package, 8215 // fix up the new package's name now. We need to do this after 8216 // looking up the package under its new name, so getPackageLP 8217 // can take care of fiddling things correctly. 8218 pkg.setPackageName(origPackage.name); 8219 8220 // File a report about this. 8221 String msg = "New package " + pkgSetting.realName 8222 + " renamed to replace old package " + pkgSetting.name; 8223 reportSettingsProblem(Log.WARN, msg); 8224 8225 // Make a note of it. 8226 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8227 mTransferedPackages.add(origPackage.name); 8228 } 8229 8230 // No longer need to retain this. 8231 pkgSetting.origPackage = null; 8232 } 8233 8234 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8235 // Make a note of it. 8236 mTransferedPackages.add(pkg.packageName); 8237 } 8238 8239 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8240 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8241 } 8242 8243 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8244 // Check all shared libraries and map to their actual file path. 8245 // We only do this here for apps not on a system dir, because those 8246 // are the only ones that can fail an install due to this. We 8247 // will take care of the system apps by updating all of their 8248 // library paths after the scan is done. 8249 updateSharedLibrariesLPw(pkg, null); 8250 } 8251 8252 if (mFoundPolicyFile) { 8253 SELinuxMMAC.assignSeinfoValue(pkg); 8254 } 8255 8256 pkg.applicationInfo.uid = pkgSetting.appId; 8257 pkg.mExtras = pkgSetting; 8258 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8259 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8260 // We just determined the app is signed correctly, so bring 8261 // over the latest parsed certs. 8262 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8263 } else { 8264 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8265 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8266 "Package " + pkg.packageName + " upgrade keys do not match the " 8267 + "previously installed version"); 8268 } else { 8269 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8270 String msg = "System package " + pkg.packageName 8271 + " signature changed; retaining data."; 8272 reportSettingsProblem(Log.WARN, msg); 8273 } 8274 } 8275 } else { 8276 try { 8277 verifySignaturesLP(pkgSetting, pkg); 8278 // We just determined the app is signed correctly, so bring 8279 // over the latest parsed certs. 8280 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8281 } catch (PackageManagerException e) { 8282 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8283 throw e; 8284 } 8285 // The signature has changed, but this package is in the system 8286 // image... let's recover! 8287 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8288 // However... if this package is part of a shared user, but it 8289 // doesn't match the signature of the shared user, let's fail. 8290 // What this means is that you can't change the signatures 8291 // associated with an overall shared user, which doesn't seem all 8292 // that unreasonable. 8293 if (pkgSetting.sharedUser != null) { 8294 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8295 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8296 throw new PackageManagerException( 8297 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8298 "Signature mismatch for shared user: " 8299 + pkgSetting.sharedUser); 8300 } 8301 } 8302 // File a report about this. 8303 String msg = "System package " + pkg.packageName 8304 + " signature changed; retaining data."; 8305 reportSettingsProblem(Log.WARN, msg); 8306 } 8307 } 8308 // Verify that this new package doesn't have any content providers 8309 // that conflict with existing packages. Only do this if the 8310 // package isn't already installed, since we don't want to break 8311 // things that are installed. 8312 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8313 final int N = pkg.providers.size(); 8314 int i; 8315 for (i=0; i<N; i++) { 8316 PackageParser.Provider p = pkg.providers.get(i); 8317 if (p.info.authority != null) { 8318 String names[] = p.info.authority.split(";"); 8319 for (int j = 0; j < names.length; j++) { 8320 if (mProvidersByAuthority.containsKey(names[j])) { 8321 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8322 final String otherPackageName = 8323 ((other != null && other.getComponentName() != null) ? 8324 other.getComponentName().getPackageName() : "?"); 8325 throw new PackageManagerException( 8326 INSTALL_FAILED_CONFLICTING_PROVIDER, 8327 "Can't install because provider name " + names[j] 8328 + " (in package " + pkg.applicationInfo.packageName 8329 + ") is already used by " + otherPackageName); 8330 } 8331 } 8332 } 8333 } 8334 } 8335 8336 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8337 // This package wants to adopt ownership of permissions from 8338 // another package. 8339 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8340 final String origName = pkg.mAdoptPermissions.get(i); 8341 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8342 if (orig != null) { 8343 if (verifyPackageUpdateLPr(orig, pkg)) { 8344 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8345 + pkg.packageName); 8346 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8347 } 8348 } 8349 } 8350 } 8351 } 8352 8353 final String pkgName = pkg.packageName; 8354 8355 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8356 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8357 pkg.applicationInfo.processName = fixProcessName( 8358 pkg.applicationInfo.packageName, 8359 pkg.applicationInfo.processName, 8360 pkg.applicationInfo.uid); 8361 8362 if (pkg != mPlatformPackage) { 8363 // Get all of our default paths setup 8364 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8365 } 8366 8367 final String path = scanFile.getPath(); 8368 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8369 8370 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8371 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8372 8373 // Some system apps still use directory structure for native libraries 8374 // in which case we might end up not detecting abi solely based on apk 8375 // structure. Try to detect abi based on directory structure. 8376 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8377 pkg.applicationInfo.primaryCpuAbi == null) { 8378 setBundledAppAbisAndRoots(pkg, pkgSetting); 8379 setNativeLibraryPaths(pkg); 8380 } 8381 8382 } else { 8383 if ((scanFlags & SCAN_MOVE) != 0) { 8384 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8385 // but we already have this packages package info in the PackageSetting. We just 8386 // use that and derive the native library path based on the new codepath. 8387 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8388 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8389 } 8390 8391 // Set native library paths again. For moves, the path will be updated based on the 8392 // ABIs we've determined above. For non-moves, the path will be updated based on the 8393 // ABIs we determined during compilation, but the path will depend on the final 8394 // package path (after the rename away from the stage path). 8395 setNativeLibraryPaths(pkg); 8396 } 8397 8398 // This is a special case for the "system" package, where the ABI is 8399 // dictated by the zygote configuration (and init.rc). We should keep track 8400 // of this ABI so that we can deal with "normal" applications that run under 8401 // the same UID correctly. 8402 if (mPlatformPackage == pkg) { 8403 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8404 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8405 } 8406 8407 // If there's a mismatch between the abi-override in the package setting 8408 // and the abiOverride specified for the install. Warn about this because we 8409 // would've already compiled the app without taking the package setting into 8410 // account. 8411 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8412 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8413 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8414 " for package " + pkg.packageName); 8415 } 8416 } 8417 8418 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8419 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8420 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8421 8422 // Copy the derived override back to the parsed package, so that we can 8423 // update the package settings accordingly. 8424 pkg.cpuAbiOverride = cpuAbiOverride; 8425 8426 if (DEBUG_ABI_SELECTION) { 8427 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8428 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8429 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8430 } 8431 8432 // Push the derived path down into PackageSettings so we know what to 8433 // clean up at uninstall time. 8434 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8435 8436 if (DEBUG_ABI_SELECTION) { 8437 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8438 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8439 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8440 } 8441 8442 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8443 // We don't do this here during boot because we can do it all 8444 // at once after scanning all existing packages. 8445 // 8446 // We also do this *before* we perform dexopt on this package, so that 8447 // we can avoid redundant dexopts, and also to make sure we've got the 8448 // code and package path correct. 8449 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8450 pkg, true /* boot complete */); 8451 } 8452 8453 if (mFactoryTest && pkg.requestedPermissions.contains( 8454 android.Manifest.permission.FACTORY_TEST)) { 8455 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8456 } 8457 8458 if (isSystemApp(pkg)) { 8459 pkgSetting.isOrphaned = true; 8460 } 8461 8462 ArrayList<PackageParser.Package> clientLibPkgs = null; 8463 8464 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8465 if (nonMutatedPs != null) { 8466 synchronized (mPackages) { 8467 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8468 } 8469 } 8470 return pkg; 8471 } 8472 8473 // Only privileged apps and updated privileged apps can add child packages. 8474 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8475 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8476 throw new PackageManagerException("Only privileged apps and updated " 8477 + "privileged apps can add child packages. Ignoring package " 8478 + pkg.packageName); 8479 } 8480 final int childCount = pkg.childPackages.size(); 8481 for (int i = 0; i < childCount; i++) { 8482 PackageParser.Package childPkg = pkg.childPackages.get(i); 8483 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8484 childPkg.packageName)) { 8485 throw new PackageManagerException("Cannot override a child package of " 8486 + "another disabled system app. Ignoring package " + pkg.packageName); 8487 } 8488 } 8489 } 8490 8491 // writer 8492 synchronized (mPackages) { 8493 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8494 // Only system apps can add new shared libraries. 8495 if (pkg.libraryNames != null) { 8496 for (int i=0; i<pkg.libraryNames.size(); i++) { 8497 String name = pkg.libraryNames.get(i); 8498 boolean allowed = false; 8499 if (pkg.isUpdatedSystemApp()) { 8500 // New library entries can only be added through the 8501 // system image. This is important to get rid of a lot 8502 // of nasty edge cases: for example if we allowed a non- 8503 // system update of the app to add a library, then uninstalling 8504 // the update would make the library go away, and assumptions 8505 // we made such as through app install filtering would now 8506 // have allowed apps on the device which aren't compatible 8507 // with it. Better to just have the restriction here, be 8508 // conservative, and create many fewer cases that can negatively 8509 // impact the user experience. 8510 final PackageSetting sysPs = mSettings 8511 .getDisabledSystemPkgLPr(pkg.packageName); 8512 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8513 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8514 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8515 allowed = true; 8516 break; 8517 } 8518 } 8519 } 8520 } else { 8521 allowed = true; 8522 } 8523 if (allowed) { 8524 if (!mSharedLibraries.containsKey(name)) { 8525 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8526 } else if (!name.equals(pkg.packageName)) { 8527 Slog.w(TAG, "Package " + pkg.packageName + " library " 8528 + name + " already exists; skipping"); 8529 } 8530 } else { 8531 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8532 + name + " that is not declared on system image; skipping"); 8533 } 8534 } 8535 if ((scanFlags & SCAN_BOOTING) == 0) { 8536 // If we are not booting, we need to update any applications 8537 // that are clients of our shared library. If we are booting, 8538 // this will all be done once the scan is complete. 8539 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8540 } 8541 } 8542 } 8543 } 8544 8545 if ((scanFlags & SCAN_BOOTING) != 0) { 8546 // No apps can run during boot scan, so they don't need to be frozen 8547 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8548 // Caller asked to not kill app, so it's probably not frozen 8549 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8550 // Caller asked us to ignore frozen check for some reason; they 8551 // probably didn't know the package name 8552 } else { 8553 // We're doing major surgery on this package, so it better be frozen 8554 // right now to keep it from launching 8555 checkPackageFrozen(pkgName); 8556 } 8557 8558 // Also need to kill any apps that are dependent on the library. 8559 if (clientLibPkgs != null) { 8560 for (int i=0; i<clientLibPkgs.size(); i++) { 8561 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8562 killApplication(clientPkg.applicationInfo.packageName, 8563 clientPkg.applicationInfo.uid, "update lib"); 8564 } 8565 } 8566 8567 // Make sure we're not adding any bogus keyset info 8568 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8569 ksms.assertScannedPackageValid(pkg); 8570 8571 // writer 8572 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8573 8574 boolean createIdmapFailed = false; 8575 synchronized (mPackages) { 8576 // We don't expect installation to fail beyond this point 8577 8578 if (pkgSetting.pkg != null) { 8579 // Note that |user| might be null during the initial boot scan. If a codePath 8580 // for an app has changed during a boot scan, it's due to an app update that's 8581 // part of the system partition and marker changes must be applied to all users. 8582 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8583 (user != null) ? user : UserHandle.ALL); 8584 } 8585 8586 // Add the new setting to mSettings 8587 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8588 // Add the new setting to mPackages 8589 mPackages.put(pkg.applicationInfo.packageName, pkg); 8590 // Make sure we don't accidentally delete its data. 8591 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8592 while (iter.hasNext()) { 8593 PackageCleanItem item = iter.next(); 8594 if (pkgName.equals(item.packageName)) { 8595 iter.remove(); 8596 } 8597 } 8598 8599 // Take care of first install / last update times. 8600 if (currentTime != 0) { 8601 if (pkgSetting.firstInstallTime == 0) { 8602 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8603 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8604 pkgSetting.lastUpdateTime = currentTime; 8605 } 8606 } else if (pkgSetting.firstInstallTime == 0) { 8607 // We need *something*. Take time time stamp of the file. 8608 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8609 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8610 if (scanFileTime != pkgSetting.timeStamp) { 8611 // A package on the system image has changed; consider this 8612 // to be an update. 8613 pkgSetting.lastUpdateTime = scanFileTime; 8614 } 8615 } 8616 8617 // Add the package's KeySets to the global KeySetManagerService 8618 ksms.addScannedPackageLPw(pkg); 8619 8620 int N = pkg.providers.size(); 8621 StringBuilder r = null; 8622 int i; 8623 for (i=0; i<N; i++) { 8624 PackageParser.Provider p = pkg.providers.get(i); 8625 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8626 p.info.processName, pkg.applicationInfo.uid); 8627 mProviders.addProvider(p); 8628 p.syncable = p.info.isSyncable; 8629 if (p.info.authority != null) { 8630 String names[] = p.info.authority.split(";"); 8631 p.info.authority = null; 8632 for (int j = 0; j < names.length; j++) { 8633 if (j == 1 && p.syncable) { 8634 // We only want the first authority for a provider to possibly be 8635 // syncable, so if we already added this provider using a different 8636 // authority clear the syncable flag. We copy the provider before 8637 // changing it because the mProviders object contains a reference 8638 // to a provider that we don't want to change. 8639 // Only do this for the second authority since the resulting provider 8640 // object can be the same for all future authorities for this provider. 8641 p = new PackageParser.Provider(p); 8642 p.syncable = false; 8643 } 8644 if (!mProvidersByAuthority.containsKey(names[j])) { 8645 mProvidersByAuthority.put(names[j], p); 8646 if (p.info.authority == null) { 8647 p.info.authority = names[j]; 8648 } else { 8649 p.info.authority = p.info.authority + ";" + names[j]; 8650 } 8651 if (DEBUG_PACKAGE_SCANNING) { 8652 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8653 Log.d(TAG, "Registered content provider: " + names[j] 8654 + ", className = " + p.info.name + ", isSyncable = " 8655 + p.info.isSyncable); 8656 } 8657 } else { 8658 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8659 Slog.w(TAG, "Skipping provider name " + names[j] + 8660 " (in package " + pkg.applicationInfo.packageName + 8661 "): name already used by " 8662 + ((other != null && other.getComponentName() != null) 8663 ? other.getComponentName().getPackageName() : "?")); 8664 } 8665 } 8666 } 8667 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8668 if (r == null) { 8669 r = new StringBuilder(256); 8670 } else { 8671 r.append(' '); 8672 } 8673 r.append(p.info.name); 8674 } 8675 } 8676 if (r != null) { 8677 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8678 } 8679 8680 N = pkg.services.size(); 8681 r = null; 8682 for (i=0; i<N; i++) { 8683 PackageParser.Service s = pkg.services.get(i); 8684 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8685 s.info.processName, pkg.applicationInfo.uid); 8686 mServices.addService(s); 8687 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8688 if (r == null) { 8689 r = new StringBuilder(256); 8690 } else { 8691 r.append(' '); 8692 } 8693 r.append(s.info.name); 8694 } 8695 } 8696 if (r != null) { 8697 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8698 } 8699 8700 N = pkg.receivers.size(); 8701 r = null; 8702 for (i=0; i<N; i++) { 8703 PackageParser.Activity a = pkg.receivers.get(i); 8704 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8705 a.info.processName, pkg.applicationInfo.uid); 8706 mReceivers.addActivity(a, "receiver"); 8707 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8708 if (r == null) { 8709 r = new StringBuilder(256); 8710 } else { 8711 r.append(' '); 8712 } 8713 r.append(a.info.name); 8714 } 8715 } 8716 if (r != null) { 8717 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8718 } 8719 8720 N = pkg.activities.size(); 8721 r = null; 8722 for (i=0; i<N; i++) { 8723 PackageParser.Activity a = pkg.activities.get(i); 8724 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8725 a.info.processName, pkg.applicationInfo.uid); 8726 mActivities.addActivity(a, "activity"); 8727 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8728 if (r == null) { 8729 r = new StringBuilder(256); 8730 } else { 8731 r.append(' '); 8732 } 8733 r.append(a.info.name); 8734 } 8735 } 8736 if (r != null) { 8737 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8738 } 8739 8740 N = pkg.permissionGroups.size(); 8741 r = null; 8742 for (i=0; i<N; i++) { 8743 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8744 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8745 final String curPackageName = cur == null ? null : cur.info.packageName; 8746 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 8747 if (cur == null || isPackageUpdate) { 8748 mPermissionGroups.put(pg.info.name, pg); 8749 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8750 if (r == null) { 8751 r = new StringBuilder(256); 8752 } else { 8753 r.append(' '); 8754 } 8755 if (isPackageUpdate) { 8756 r.append("UPD:"); 8757 } 8758 r.append(pg.info.name); 8759 } 8760 } else { 8761 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8762 + pg.info.packageName + " ignored: original from " 8763 + cur.info.packageName); 8764 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8765 if (r == null) { 8766 r = new StringBuilder(256); 8767 } else { 8768 r.append(' '); 8769 } 8770 r.append("DUP:"); 8771 r.append(pg.info.name); 8772 } 8773 } 8774 } 8775 if (r != null) { 8776 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8777 } 8778 8779 N = pkg.permissions.size(); 8780 r = null; 8781 for (i=0; i<N; i++) { 8782 PackageParser.Permission p = pkg.permissions.get(i); 8783 8784 // Assume by default that we did not install this permission into the system. 8785 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8786 8787 // Now that permission groups have a special meaning, we ignore permission 8788 // groups for legacy apps to prevent unexpected behavior. In particular, 8789 // permissions for one app being granted to someone just becase they happen 8790 // to be in a group defined by another app (before this had no implications). 8791 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8792 p.group = mPermissionGroups.get(p.info.group); 8793 // Warn for a permission in an unknown group. 8794 if (p.info.group != null && p.group == null) { 8795 Slog.w(TAG, "Permission " + p.info.name + " from package " 8796 + p.info.packageName + " in an unknown group " + p.info.group); 8797 } 8798 } 8799 8800 ArrayMap<String, BasePermission> permissionMap = 8801 p.tree ? mSettings.mPermissionTrees 8802 : mSettings.mPermissions; 8803 BasePermission bp = permissionMap.get(p.info.name); 8804 8805 // Allow system apps to redefine non-system permissions 8806 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8807 final boolean currentOwnerIsSystem = (bp.perm != null 8808 && isSystemApp(bp.perm.owner)); 8809 if (isSystemApp(p.owner)) { 8810 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8811 // It's a built-in permission and no owner, take ownership now 8812 bp.packageSetting = pkgSetting; 8813 bp.perm = p; 8814 bp.uid = pkg.applicationInfo.uid; 8815 bp.sourcePackage = p.info.packageName; 8816 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8817 } else if (!currentOwnerIsSystem) { 8818 String msg = "New decl " + p.owner + " of permission " 8819 + p.info.name + " is system; overriding " + bp.sourcePackage; 8820 reportSettingsProblem(Log.WARN, msg); 8821 bp = null; 8822 } 8823 } 8824 } 8825 8826 if (bp == null) { 8827 bp = new BasePermission(p.info.name, p.info.packageName, 8828 BasePermission.TYPE_NORMAL); 8829 permissionMap.put(p.info.name, bp); 8830 } 8831 8832 if (bp.perm == null) { 8833 if (bp.sourcePackage == null 8834 || bp.sourcePackage.equals(p.info.packageName)) { 8835 BasePermission tree = findPermissionTreeLP(p.info.name); 8836 if (tree == null 8837 || tree.sourcePackage.equals(p.info.packageName)) { 8838 bp.packageSetting = pkgSetting; 8839 bp.perm = p; 8840 bp.uid = pkg.applicationInfo.uid; 8841 bp.sourcePackage = p.info.packageName; 8842 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8843 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8844 if (r == null) { 8845 r = new StringBuilder(256); 8846 } else { 8847 r.append(' '); 8848 } 8849 r.append(p.info.name); 8850 } 8851 } else { 8852 Slog.w(TAG, "Permission " + p.info.name + " from package " 8853 + p.info.packageName + " ignored: base tree " 8854 + tree.name + " is from package " 8855 + tree.sourcePackage); 8856 } 8857 } else { 8858 Slog.w(TAG, "Permission " + p.info.name + " from package " 8859 + p.info.packageName + " ignored: original from " 8860 + bp.sourcePackage); 8861 } 8862 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8863 if (r == null) { 8864 r = new StringBuilder(256); 8865 } else { 8866 r.append(' '); 8867 } 8868 r.append("DUP:"); 8869 r.append(p.info.name); 8870 } 8871 if (bp.perm == p) { 8872 bp.protectionLevel = p.info.protectionLevel; 8873 } 8874 } 8875 8876 if (r != null) { 8877 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8878 } 8879 8880 N = pkg.instrumentation.size(); 8881 r = null; 8882 for (i=0; i<N; i++) { 8883 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8884 a.info.packageName = pkg.applicationInfo.packageName; 8885 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8886 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8887 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8888 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8889 a.info.dataDir = pkg.applicationInfo.dataDir; 8890 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8891 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8892 8893 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8894 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8895 mInstrumentation.put(a.getComponentName(), a); 8896 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8897 if (r == null) { 8898 r = new StringBuilder(256); 8899 } else { 8900 r.append(' '); 8901 } 8902 r.append(a.info.name); 8903 } 8904 } 8905 if (r != null) { 8906 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8907 } 8908 8909 if (pkg.protectedBroadcasts != null) { 8910 N = pkg.protectedBroadcasts.size(); 8911 for (i=0; i<N; i++) { 8912 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8913 } 8914 } 8915 8916 pkgSetting.setTimeStamp(scanFileTime); 8917 8918 // Create idmap files for pairs of (packages, overlay packages). 8919 // Note: "android", ie framework-res.apk, is handled by native layers. 8920 if (pkg.mOverlayTarget != null) { 8921 // This is an overlay package. 8922 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8923 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8924 mOverlays.put(pkg.mOverlayTarget, 8925 new ArrayMap<String, PackageParser.Package>()); 8926 } 8927 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8928 map.put(pkg.packageName, pkg); 8929 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8930 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8931 createIdmapFailed = true; 8932 } 8933 } 8934 } else if (mOverlays.containsKey(pkg.packageName) && 8935 !pkg.packageName.equals("android")) { 8936 // This is a regular package, with one or more known overlay packages. 8937 createIdmapsForPackageLI(pkg); 8938 } 8939 } 8940 8941 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8942 8943 if (createIdmapFailed) { 8944 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8945 "scanPackageLI failed to createIdmap"); 8946 } 8947 return pkg; 8948 } 8949 8950 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8951 PackageParser.Package update, UserHandle user) { 8952 if (existing.applicationInfo == null || update.applicationInfo == null) { 8953 // This isn't due to an app installation. 8954 return; 8955 } 8956 8957 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8958 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8959 8960 // The codePath hasn't changed, so there's nothing for us to do. 8961 if (Objects.equals(oldCodePath, newCodePath)) { 8962 return; 8963 } 8964 8965 File canonicalNewCodePath; 8966 try { 8967 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 8968 } catch (IOException e) { 8969 Slog.w(TAG, "Failed to get canonical path.", e); 8970 return; 8971 } 8972 8973 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 8974 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 8975 // that the last component of the path (i.e, the name) doesn't need canonicalization 8976 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 8977 // but may change in the future. Hopefully this function won't exist at that point. 8978 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 8979 oldCodePath.getName()); 8980 8981 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 8982 // with "@". 8983 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 8984 if (!oldMarkerPrefix.endsWith("@")) { 8985 oldMarkerPrefix += "@"; 8986 } 8987 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 8988 if (!newMarkerPrefix.endsWith("@")) { 8989 newMarkerPrefix += "@"; 8990 } 8991 8992 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 8993 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 8994 for (String updatedPath : updatedPaths) { 8995 String updatedPathName = new File(updatedPath).getName(); 8996 markerSuffixes.add(updatedPathName.replace('/', '@')); 8997 } 8998 8999 for (int userId : resolveUserIds(user.getIdentifier())) { 9000 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9001 9002 for (String markerSuffix : markerSuffixes) { 9003 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9004 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9005 if (oldForeignUseMark.exists()) { 9006 try { 9007 Os.rename(oldForeignUseMark.getAbsolutePath(), 9008 newForeignUseMark.getAbsolutePath()); 9009 } catch (ErrnoException e) { 9010 Slog.w(TAG, "Failed to rename foreign use marker", e); 9011 oldForeignUseMark.delete(); 9012 } 9013 } 9014 } 9015 } 9016 } 9017 9018 /** 9019 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9020 * is derived purely on the basis of the contents of {@code scanFile} and 9021 * {@code cpuAbiOverride}. 9022 * 9023 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9024 */ 9025 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9026 String cpuAbiOverride, boolean extractLibs) 9027 throws PackageManagerException { 9028 // TODO: We can probably be smarter about this stuff. For installed apps, 9029 // we can calculate this information at install time once and for all. For 9030 // system apps, we can probably assume that this information doesn't change 9031 // after the first boot scan. As things stand, we do lots of unnecessary work. 9032 9033 // Give ourselves some initial paths; we'll come back for another 9034 // pass once we've determined ABI below. 9035 setNativeLibraryPaths(pkg); 9036 9037 // We would never need to extract libs for forward-locked and external packages, 9038 // since the container service will do it for us. We shouldn't attempt to 9039 // extract libs from system app when it was not updated. 9040 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9041 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9042 extractLibs = false; 9043 } 9044 9045 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9046 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9047 9048 NativeLibraryHelper.Handle handle = null; 9049 try { 9050 handle = NativeLibraryHelper.Handle.create(pkg); 9051 // TODO(multiArch): This can be null for apps that didn't go through the 9052 // usual installation process. We can calculate it again, like we 9053 // do during install time. 9054 // 9055 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9056 // unnecessary. 9057 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9058 9059 // Null out the abis so that they can be recalculated. 9060 pkg.applicationInfo.primaryCpuAbi = null; 9061 pkg.applicationInfo.secondaryCpuAbi = null; 9062 if (isMultiArch(pkg.applicationInfo)) { 9063 // Warn if we've set an abiOverride for multi-lib packages.. 9064 // By definition, we need to copy both 32 and 64 bit libraries for 9065 // such packages. 9066 if (pkg.cpuAbiOverride != null 9067 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9068 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9069 } 9070 9071 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9072 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9073 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9074 if (extractLibs) { 9075 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9076 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9077 useIsaSpecificSubdirs); 9078 } else { 9079 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9080 } 9081 } 9082 9083 maybeThrowExceptionForMultiArchCopy( 9084 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9085 9086 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9087 if (extractLibs) { 9088 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9089 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9090 useIsaSpecificSubdirs); 9091 } else { 9092 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9093 } 9094 } 9095 9096 maybeThrowExceptionForMultiArchCopy( 9097 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9098 9099 if (abi64 >= 0) { 9100 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9101 } 9102 9103 if (abi32 >= 0) { 9104 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9105 if (abi64 >= 0) { 9106 if (pkg.use32bitAbi) { 9107 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9108 pkg.applicationInfo.primaryCpuAbi = abi; 9109 } else { 9110 pkg.applicationInfo.secondaryCpuAbi = abi; 9111 } 9112 } else { 9113 pkg.applicationInfo.primaryCpuAbi = abi; 9114 } 9115 } 9116 9117 } else { 9118 String[] abiList = (cpuAbiOverride != null) ? 9119 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9120 9121 // Enable gross and lame hacks for apps that are built with old 9122 // SDK tools. We must scan their APKs for renderscript bitcode and 9123 // not launch them if it's present. Don't bother checking on devices 9124 // that don't have 64 bit support. 9125 boolean needsRenderScriptOverride = false; 9126 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9127 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9128 abiList = Build.SUPPORTED_32_BIT_ABIS; 9129 needsRenderScriptOverride = true; 9130 } 9131 9132 final int copyRet; 9133 if (extractLibs) { 9134 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9135 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9136 } else { 9137 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9138 } 9139 9140 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9141 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9142 "Error unpackaging native libs for app, errorCode=" + copyRet); 9143 } 9144 9145 if (copyRet >= 0) { 9146 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9147 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9148 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9149 } else if (needsRenderScriptOverride) { 9150 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9151 } 9152 } 9153 } catch (IOException ioe) { 9154 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9155 } finally { 9156 IoUtils.closeQuietly(handle); 9157 } 9158 9159 // Now that we've calculated the ABIs and determined if it's an internal app, 9160 // we will go ahead and populate the nativeLibraryPath. 9161 setNativeLibraryPaths(pkg); 9162 } 9163 9164 /** 9165 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9166 * i.e, so that all packages can be run inside a single process if required. 9167 * 9168 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9169 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9170 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9171 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9172 * updating a package that belongs to a shared user. 9173 * 9174 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9175 * adds unnecessary complexity. 9176 */ 9177 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9178 PackageParser.Package scannedPackage, boolean bootComplete) { 9179 String requiredInstructionSet = null; 9180 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9181 requiredInstructionSet = VMRuntime.getInstructionSet( 9182 scannedPackage.applicationInfo.primaryCpuAbi); 9183 } 9184 9185 PackageSetting requirer = null; 9186 for (PackageSetting ps : packagesForUser) { 9187 // If packagesForUser contains scannedPackage, we skip it. This will happen 9188 // when scannedPackage is an update of an existing package. Without this check, 9189 // we will never be able to change the ABI of any package belonging to a shared 9190 // user, even if it's compatible with other packages. 9191 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9192 if (ps.primaryCpuAbiString == null) { 9193 continue; 9194 } 9195 9196 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9197 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9198 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9199 // this but there's not much we can do. 9200 String errorMessage = "Instruction set mismatch, " 9201 + ((requirer == null) ? "[caller]" : requirer) 9202 + " requires " + requiredInstructionSet + " whereas " + ps 9203 + " requires " + instructionSet; 9204 Slog.w(TAG, errorMessage); 9205 } 9206 9207 if (requiredInstructionSet == null) { 9208 requiredInstructionSet = instructionSet; 9209 requirer = ps; 9210 } 9211 } 9212 } 9213 9214 if (requiredInstructionSet != null) { 9215 String adjustedAbi; 9216 if (requirer != null) { 9217 // requirer != null implies that either scannedPackage was null or that scannedPackage 9218 // did not require an ABI, in which case we have to adjust scannedPackage to match 9219 // the ABI of the set (which is the same as requirer's ABI) 9220 adjustedAbi = requirer.primaryCpuAbiString; 9221 if (scannedPackage != null) { 9222 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9223 } 9224 } else { 9225 // requirer == null implies that we're updating all ABIs in the set to 9226 // match scannedPackage. 9227 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9228 } 9229 9230 for (PackageSetting ps : packagesForUser) { 9231 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9232 if (ps.primaryCpuAbiString != null) { 9233 continue; 9234 } 9235 9236 ps.primaryCpuAbiString = adjustedAbi; 9237 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9238 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9239 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9240 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9241 + " (requirer=" 9242 + (requirer == null ? "null" : requirer.pkg.packageName) 9243 + ", scannedPackage=" 9244 + (scannedPackage != null ? scannedPackage.packageName : "null") 9245 + ")"); 9246 try { 9247 mInstaller.rmdex(ps.codePathString, 9248 getDexCodeInstructionSet(getPreferredInstructionSet())); 9249 } catch (InstallerException ignored) { 9250 } 9251 } 9252 } 9253 } 9254 } 9255 } 9256 9257 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9258 synchronized (mPackages) { 9259 mResolverReplaced = true; 9260 // Set up information for custom user intent resolution activity. 9261 mResolveActivity.applicationInfo = pkg.applicationInfo; 9262 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9263 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9264 mResolveActivity.processName = pkg.applicationInfo.packageName; 9265 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9266 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9267 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9268 mResolveActivity.theme = 0; 9269 mResolveActivity.exported = true; 9270 mResolveActivity.enabled = true; 9271 mResolveInfo.activityInfo = mResolveActivity; 9272 mResolveInfo.priority = 0; 9273 mResolveInfo.preferredOrder = 0; 9274 mResolveInfo.match = 0; 9275 mResolveComponentName = mCustomResolverComponentName; 9276 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9277 mResolveComponentName); 9278 } 9279 } 9280 9281 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9282 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9283 9284 // Set up information for ephemeral installer activity 9285 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9286 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9287 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9288 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9289 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9290 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9291 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9292 mEphemeralInstallerActivity.theme = 0; 9293 mEphemeralInstallerActivity.exported = true; 9294 mEphemeralInstallerActivity.enabled = true; 9295 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9296 mEphemeralInstallerInfo.priority = 0; 9297 mEphemeralInstallerInfo.preferredOrder = 1; 9298 mEphemeralInstallerInfo.isDefault = true; 9299 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9300 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9301 9302 if (DEBUG_EPHEMERAL) { 9303 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9304 } 9305 } 9306 9307 private static String calculateBundledApkRoot(final String codePathString) { 9308 final File codePath = new File(codePathString); 9309 final File codeRoot; 9310 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9311 codeRoot = Environment.getRootDirectory(); 9312 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9313 codeRoot = Environment.getOemDirectory(); 9314 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9315 codeRoot = Environment.getVendorDirectory(); 9316 } else { 9317 // Unrecognized code path; take its top real segment as the apk root: 9318 // e.g. /something/app/blah.apk => /something 9319 try { 9320 File f = codePath.getCanonicalFile(); 9321 File parent = f.getParentFile(); // non-null because codePath is a file 9322 File tmp; 9323 while ((tmp = parent.getParentFile()) != null) { 9324 f = parent; 9325 parent = tmp; 9326 } 9327 codeRoot = f; 9328 Slog.w(TAG, "Unrecognized code path " 9329 + codePath + " - using " + codeRoot); 9330 } catch (IOException e) { 9331 // Can't canonicalize the code path -- shenanigans? 9332 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9333 return Environment.getRootDirectory().getPath(); 9334 } 9335 } 9336 return codeRoot.getPath(); 9337 } 9338 9339 /** 9340 * Derive and set the location of native libraries for the given package, 9341 * which varies depending on where and how the package was installed. 9342 */ 9343 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9344 final ApplicationInfo info = pkg.applicationInfo; 9345 final String codePath = pkg.codePath; 9346 final File codeFile = new File(codePath); 9347 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9348 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9349 9350 info.nativeLibraryRootDir = null; 9351 info.nativeLibraryRootRequiresIsa = false; 9352 info.nativeLibraryDir = null; 9353 info.secondaryNativeLibraryDir = null; 9354 9355 if (isApkFile(codeFile)) { 9356 // Monolithic install 9357 if (bundledApp) { 9358 // If "/system/lib64/apkname" exists, assume that is the per-package 9359 // native library directory to use; otherwise use "/system/lib/apkname". 9360 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9361 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9362 getPrimaryInstructionSet(info)); 9363 9364 // This is a bundled system app so choose the path based on the ABI. 9365 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9366 // is just the default path. 9367 final String apkName = deriveCodePathName(codePath); 9368 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9369 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9370 apkName).getAbsolutePath(); 9371 9372 if (info.secondaryCpuAbi != null) { 9373 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9374 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9375 secondaryLibDir, apkName).getAbsolutePath(); 9376 } 9377 } else if (asecApp) { 9378 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9379 .getAbsolutePath(); 9380 } else { 9381 final String apkName = deriveCodePathName(codePath); 9382 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9383 .getAbsolutePath(); 9384 } 9385 9386 info.nativeLibraryRootRequiresIsa = false; 9387 info.nativeLibraryDir = info.nativeLibraryRootDir; 9388 } else { 9389 // Cluster install 9390 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9391 info.nativeLibraryRootRequiresIsa = true; 9392 9393 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9394 getPrimaryInstructionSet(info)).getAbsolutePath(); 9395 9396 if (info.secondaryCpuAbi != null) { 9397 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9398 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9399 } 9400 } 9401 } 9402 9403 /** 9404 * Calculate the abis and roots for a bundled app. These can uniquely 9405 * be determined from the contents of the system partition, i.e whether 9406 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9407 * of this information, and instead assume that the system was built 9408 * sensibly. 9409 */ 9410 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9411 PackageSetting pkgSetting) { 9412 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9413 9414 // If "/system/lib64/apkname" exists, assume that is the per-package 9415 // native library directory to use; otherwise use "/system/lib/apkname". 9416 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9417 setBundledAppAbi(pkg, apkRoot, apkName); 9418 // pkgSetting might be null during rescan following uninstall of updates 9419 // to a bundled app, so accommodate that possibility. The settings in 9420 // that case will be established later from the parsed package. 9421 // 9422 // If the settings aren't null, sync them up with what we've just derived. 9423 // note that apkRoot isn't stored in the package settings. 9424 if (pkgSetting != null) { 9425 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9426 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9427 } 9428 } 9429 9430 /** 9431 * Deduces the ABI of a bundled app and sets the relevant fields on the 9432 * parsed pkg object. 9433 * 9434 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9435 * under which system libraries are installed. 9436 * @param apkName the name of the installed package. 9437 */ 9438 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9439 final File codeFile = new File(pkg.codePath); 9440 9441 final boolean has64BitLibs; 9442 final boolean has32BitLibs; 9443 if (isApkFile(codeFile)) { 9444 // Monolithic install 9445 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9446 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9447 } else { 9448 // Cluster install 9449 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9450 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9451 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9452 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9453 has64BitLibs = (new File(rootDir, isa)).exists(); 9454 } else { 9455 has64BitLibs = false; 9456 } 9457 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9458 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9459 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9460 has32BitLibs = (new File(rootDir, isa)).exists(); 9461 } else { 9462 has32BitLibs = false; 9463 } 9464 } 9465 9466 if (has64BitLibs && !has32BitLibs) { 9467 // The package has 64 bit libs, but not 32 bit libs. Its primary 9468 // ABI should be 64 bit. We can safely assume here that the bundled 9469 // native libraries correspond to the most preferred ABI in the list. 9470 9471 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9472 pkg.applicationInfo.secondaryCpuAbi = null; 9473 } else if (has32BitLibs && !has64BitLibs) { 9474 // The package has 32 bit libs but not 64 bit libs. Its primary 9475 // ABI should be 32 bit. 9476 9477 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9478 pkg.applicationInfo.secondaryCpuAbi = null; 9479 } else if (has32BitLibs && has64BitLibs) { 9480 // The application has both 64 and 32 bit bundled libraries. We check 9481 // here that the app declares multiArch support, and warn if it doesn't. 9482 // 9483 // We will be lenient here and record both ABIs. The primary will be the 9484 // ABI that's higher on the list, i.e, a device that's configured to prefer 9485 // 64 bit apps will see a 64 bit primary ABI, 9486 9487 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9488 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9489 } 9490 9491 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9492 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9493 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9494 } else { 9495 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9496 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9497 } 9498 } else { 9499 pkg.applicationInfo.primaryCpuAbi = null; 9500 pkg.applicationInfo.secondaryCpuAbi = null; 9501 } 9502 } 9503 9504 private void killApplication(String pkgName, int appId, String reason) { 9505 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9506 } 9507 9508 private void killApplication(String pkgName, int appId, int userId, String reason) { 9509 // Request the ActivityManager to kill the process(only for existing packages) 9510 // so that we do not end up in a confused state while the user is still using the older 9511 // version of the application while the new one gets installed. 9512 final long token = Binder.clearCallingIdentity(); 9513 try { 9514 IActivityManager am = ActivityManagerNative.getDefault(); 9515 if (am != null) { 9516 try { 9517 am.killApplication(pkgName, appId, userId, reason); 9518 } catch (RemoteException e) { 9519 } 9520 } 9521 } finally { 9522 Binder.restoreCallingIdentity(token); 9523 } 9524 } 9525 9526 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9527 // Remove the parent package setting 9528 PackageSetting ps = (PackageSetting) pkg.mExtras; 9529 if (ps != null) { 9530 removePackageLI(ps, chatty); 9531 } 9532 // Remove the child package setting 9533 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9534 for (int i = 0; i < childCount; i++) { 9535 PackageParser.Package childPkg = pkg.childPackages.get(i); 9536 ps = (PackageSetting) childPkg.mExtras; 9537 if (ps != null) { 9538 removePackageLI(ps, chatty); 9539 } 9540 } 9541 } 9542 9543 void removePackageLI(PackageSetting ps, boolean chatty) { 9544 if (DEBUG_INSTALL) { 9545 if (chatty) 9546 Log.d(TAG, "Removing package " + ps.name); 9547 } 9548 9549 // writer 9550 synchronized (mPackages) { 9551 mPackages.remove(ps.name); 9552 final PackageParser.Package pkg = ps.pkg; 9553 if (pkg != null) { 9554 cleanPackageDataStructuresLILPw(pkg, chatty); 9555 } 9556 } 9557 } 9558 9559 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9560 if (DEBUG_INSTALL) { 9561 if (chatty) 9562 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9563 } 9564 9565 // writer 9566 synchronized (mPackages) { 9567 // Remove the parent package 9568 mPackages.remove(pkg.applicationInfo.packageName); 9569 cleanPackageDataStructuresLILPw(pkg, chatty); 9570 9571 // Remove the child packages 9572 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9573 for (int i = 0; i < childCount; i++) { 9574 PackageParser.Package childPkg = pkg.childPackages.get(i); 9575 mPackages.remove(childPkg.applicationInfo.packageName); 9576 cleanPackageDataStructuresLILPw(childPkg, chatty); 9577 } 9578 } 9579 } 9580 9581 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9582 int N = pkg.providers.size(); 9583 StringBuilder r = null; 9584 int i; 9585 for (i=0; i<N; i++) { 9586 PackageParser.Provider p = pkg.providers.get(i); 9587 mProviders.removeProvider(p); 9588 if (p.info.authority == null) { 9589 9590 /* There was another ContentProvider with this authority when 9591 * this app was installed so this authority is null, 9592 * Ignore it as we don't have to unregister the provider. 9593 */ 9594 continue; 9595 } 9596 String names[] = p.info.authority.split(";"); 9597 for (int j = 0; j < names.length; j++) { 9598 if (mProvidersByAuthority.get(names[j]) == p) { 9599 mProvidersByAuthority.remove(names[j]); 9600 if (DEBUG_REMOVE) { 9601 if (chatty) 9602 Log.d(TAG, "Unregistered content provider: " + names[j] 9603 + ", className = " + p.info.name + ", isSyncable = " 9604 + p.info.isSyncable); 9605 } 9606 } 9607 } 9608 if (DEBUG_REMOVE && chatty) { 9609 if (r == null) { 9610 r = new StringBuilder(256); 9611 } else { 9612 r.append(' '); 9613 } 9614 r.append(p.info.name); 9615 } 9616 } 9617 if (r != null) { 9618 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9619 } 9620 9621 N = pkg.services.size(); 9622 r = null; 9623 for (i=0; i<N; i++) { 9624 PackageParser.Service s = pkg.services.get(i); 9625 mServices.removeService(s); 9626 if (chatty) { 9627 if (r == null) { 9628 r = new StringBuilder(256); 9629 } else { 9630 r.append(' '); 9631 } 9632 r.append(s.info.name); 9633 } 9634 } 9635 if (r != null) { 9636 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9637 } 9638 9639 N = pkg.receivers.size(); 9640 r = null; 9641 for (i=0; i<N; i++) { 9642 PackageParser.Activity a = pkg.receivers.get(i); 9643 mReceivers.removeActivity(a, "receiver"); 9644 if (DEBUG_REMOVE && chatty) { 9645 if (r == null) { 9646 r = new StringBuilder(256); 9647 } else { 9648 r.append(' '); 9649 } 9650 r.append(a.info.name); 9651 } 9652 } 9653 if (r != null) { 9654 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9655 } 9656 9657 N = pkg.activities.size(); 9658 r = null; 9659 for (i=0; i<N; i++) { 9660 PackageParser.Activity a = pkg.activities.get(i); 9661 mActivities.removeActivity(a, "activity"); 9662 if (DEBUG_REMOVE && chatty) { 9663 if (r == null) { 9664 r = new StringBuilder(256); 9665 } else { 9666 r.append(' '); 9667 } 9668 r.append(a.info.name); 9669 } 9670 } 9671 if (r != null) { 9672 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9673 } 9674 9675 N = pkg.permissions.size(); 9676 r = null; 9677 for (i=0; i<N; i++) { 9678 PackageParser.Permission p = pkg.permissions.get(i); 9679 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9680 if (bp == null) { 9681 bp = mSettings.mPermissionTrees.get(p.info.name); 9682 } 9683 if (bp != null && bp.perm == p) { 9684 bp.perm = null; 9685 if (DEBUG_REMOVE && chatty) { 9686 if (r == null) { 9687 r = new StringBuilder(256); 9688 } else { 9689 r.append(' '); 9690 } 9691 r.append(p.info.name); 9692 } 9693 } 9694 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9695 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9696 if (appOpPkgs != null) { 9697 appOpPkgs.remove(pkg.packageName); 9698 } 9699 } 9700 } 9701 if (r != null) { 9702 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9703 } 9704 9705 N = pkg.requestedPermissions.size(); 9706 r = null; 9707 for (i=0; i<N; i++) { 9708 String perm = pkg.requestedPermissions.get(i); 9709 BasePermission bp = mSettings.mPermissions.get(perm); 9710 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9711 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9712 if (appOpPkgs != null) { 9713 appOpPkgs.remove(pkg.packageName); 9714 if (appOpPkgs.isEmpty()) { 9715 mAppOpPermissionPackages.remove(perm); 9716 } 9717 } 9718 } 9719 } 9720 if (r != null) { 9721 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9722 } 9723 9724 N = pkg.instrumentation.size(); 9725 r = null; 9726 for (i=0; i<N; i++) { 9727 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9728 mInstrumentation.remove(a.getComponentName()); 9729 if (DEBUG_REMOVE && chatty) { 9730 if (r == null) { 9731 r = new StringBuilder(256); 9732 } else { 9733 r.append(' '); 9734 } 9735 r.append(a.info.name); 9736 } 9737 } 9738 if (r != null) { 9739 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9740 } 9741 9742 r = null; 9743 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9744 // Only system apps can hold shared libraries. 9745 if (pkg.libraryNames != null) { 9746 for (i=0; i<pkg.libraryNames.size(); i++) { 9747 String name = pkg.libraryNames.get(i); 9748 SharedLibraryEntry cur = mSharedLibraries.get(name); 9749 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9750 mSharedLibraries.remove(name); 9751 if (DEBUG_REMOVE && chatty) { 9752 if (r == null) { 9753 r = new StringBuilder(256); 9754 } else { 9755 r.append(' '); 9756 } 9757 r.append(name); 9758 } 9759 } 9760 } 9761 } 9762 } 9763 if (r != null) { 9764 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9765 } 9766 } 9767 9768 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9769 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9770 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9771 return true; 9772 } 9773 } 9774 return false; 9775 } 9776 9777 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9778 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9779 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9780 9781 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9782 // Update the parent permissions 9783 updatePermissionsLPw(pkg.packageName, pkg, flags); 9784 // Update the child permissions 9785 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9786 for (int i = 0; i < childCount; i++) { 9787 PackageParser.Package childPkg = pkg.childPackages.get(i); 9788 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9789 } 9790 } 9791 9792 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9793 int flags) { 9794 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9795 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9796 } 9797 9798 private void updatePermissionsLPw(String changingPkg, 9799 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9800 // Make sure there are no dangling permission trees. 9801 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9802 while (it.hasNext()) { 9803 final BasePermission bp = it.next(); 9804 if (bp.packageSetting == null) { 9805 // We may not yet have parsed the package, so just see if 9806 // we still know about its settings. 9807 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9808 } 9809 if (bp.packageSetting == null) { 9810 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9811 + " from package " + bp.sourcePackage); 9812 it.remove(); 9813 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9814 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9815 Slog.i(TAG, "Removing old permission tree: " + bp.name 9816 + " from package " + bp.sourcePackage); 9817 flags |= UPDATE_PERMISSIONS_ALL; 9818 it.remove(); 9819 } 9820 } 9821 } 9822 9823 // Make sure all dynamic permissions have been assigned to a package, 9824 // and make sure there are no dangling permissions. 9825 it = mSettings.mPermissions.values().iterator(); 9826 while (it.hasNext()) { 9827 final BasePermission bp = it.next(); 9828 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9829 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9830 + bp.name + " pkg=" + bp.sourcePackage 9831 + " info=" + bp.pendingInfo); 9832 if (bp.packageSetting == null && bp.pendingInfo != null) { 9833 final BasePermission tree = findPermissionTreeLP(bp.name); 9834 if (tree != null && tree.perm != null) { 9835 bp.packageSetting = tree.packageSetting; 9836 bp.perm = new PackageParser.Permission(tree.perm.owner, 9837 new PermissionInfo(bp.pendingInfo)); 9838 bp.perm.info.packageName = tree.perm.info.packageName; 9839 bp.perm.info.name = bp.name; 9840 bp.uid = tree.uid; 9841 } 9842 } 9843 } 9844 if (bp.packageSetting == null) { 9845 // We may not yet have parsed the package, so just see if 9846 // we still know about its settings. 9847 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9848 } 9849 if (bp.packageSetting == null) { 9850 Slog.w(TAG, "Removing dangling permission: " + bp.name 9851 + " from package " + bp.sourcePackage); 9852 it.remove(); 9853 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9854 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9855 Slog.i(TAG, "Removing old permission: " + bp.name 9856 + " from package " + bp.sourcePackage); 9857 flags |= UPDATE_PERMISSIONS_ALL; 9858 it.remove(); 9859 } 9860 } 9861 } 9862 9863 // Now update the permissions for all packages, in particular 9864 // replace the granted permissions of the system packages. 9865 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9866 for (PackageParser.Package pkg : mPackages.values()) { 9867 if (pkg != pkgInfo) { 9868 // Only replace for packages on requested volume 9869 final String volumeUuid = getVolumeUuidForPackage(pkg); 9870 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9871 && Objects.equals(replaceVolumeUuid, volumeUuid); 9872 grantPermissionsLPw(pkg, replace, changingPkg); 9873 } 9874 } 9875 } 9876 9877 if (pkgInfo != null) { 9878 // Only replace for packages on requested volume 9879 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9880 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9881 && Objects.equals(replaceVolumeUuid, volumeUuid); 9882 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9883 } 9884 } 9885 9886 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9887 String packageOfInterest) { 9888 // IMPORTANT: There are two types of permissions: install and runtime. 9889 // Install time permissions are granted when the app is installed to 9890 // all device users and users added in the future. Runtime permissions 9891 // are granted at runtime explicitly to specific users. Normal and signature 9892 // protected permissions are install time permissions. Dangerous permissions 9893 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9894 // otherwise they are runtime permissions. This function does not manage 9895 // runtime permissions except for the case an app targeting Lollipop MR1 9896 // being upgraded to target a newer SDK, in which case dangerous permissions 9897 // are transformed from install time to runtime ones. 9898 9899 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9900 if (ps == null) { 9901 return; 9902 } 9903 9904 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9905 9906 PermissionsState permissionsState = ps.getPermissionsState(); 9907 PermissionsState origPermissions = permissionsState; 9908 9909 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9910 9911 boolean runtimePermissionsRevoked = false; 9912 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9913 9914 boolean changedInstallPermission = false; 9915 9916 if (replace) { 9917 ps.installPermissionsFixed = false; 9918 if (!ps.isSharedUser()) { 9919 origPermissions = new PermissionsState(permissionsState); 9920 permissionsState.reset(); 9921 } else { 9922 // We need to know only about runtime permission changes since the 9923 // calling code always writes the install permissions state but 9924 // the runtime ones are written only if changed. The only cases of 9925 // changed runtime permissions here are promotion of an install to 9926 // runtime and revocation of a runtime from a shared user. 9927 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9928 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9929 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9930 runtimePermissionsRevoked = true; 9931 } 9932 } 9933 } 9934 9935 permissionsState.setGlobalGids(mGlobalGids); 9936 9937 final int N = pkg.requestedPermissions.size(); 9938 for (int i=0; i<N; i++) { 9939 final String name = pkg.requestedPermissions.get(i); 9940 final BasePermission bp = mSettings.mPermissions.get(name); 9941 9942 if (DEBUG_INSTALL) { 9943 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9944 } 9945 9946 if (bp == null || bp.packageSetting == null) { 9947 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9948 Slog.w(TAG, "Unknown permission " + name 9949 + " in package " + pkg.packageName); 9950 } 9951 continue; 9952 } 9953 9954 final String perm = bp.name; 9955 boolean allowedSig = false; 9956 int grant = GRANT_DENIED; 9957 9958 // Keep track of app op permissions. 9959 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9960 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9961 if (pkgs == null) { 9962 pkgs = new ArraySet<>(); 9963 mAppOpPermissionPackages.put(bp.name, pkgs); 9964 } 9965 pkgs.add(pkg.packageName); 9966 } 9967 9968 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9969 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9970 >= Build.VERSION_CODES.M; 9971 switch (level) { 9972 case PermissionInfo.PROTECTION_NORMAL: { 9973 // For all apps normal permissions are install time ones. 9974 grant = GRANT_INSTALL; 9975 } break; 9976 9977 case PermissionInfo.PROTECTION_DANGEROUS: { 9978 // If a permission review is required for legacy apps we represent 9979 // their permissions as always granted runtime ones since we need 9980 // to keep the review required permission flag per user while an 9981 // install permission's state is shared across all users. 9982 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9983 // For legacy apps dangerous permissions are install time ones. 9984 grant = GRANT_INSTALL; 9985 } else if (origPermissions.hasInstallPermission(bp.name)) { 9986 // For legacy apps that became modern, install becomes runtime. 9987 grant = GRANT_UPGRADE; 9988 } else if (mPromoteSystemApps 9989 && isSystemApp(ps) 9990 && mExistingSystemPackages.contains(ps.name)) { 9991 // For legacy system apps, install becomes runtime. 9992 // We cannot check hasInstallPermission() for system apps since those 9993 // permissions were granted implicitly and not persisted pre-M. 9994 grant = GRANT_UPGRADE; 9995 } else { 9996 // For modern apps keep runtime permissions unchanged. 9997 grant = GRANT_RUNTIME; 9998 } 9999 } break; 10000 10001 case PermissionInfo.PROTECTION_SIGNATURE: { 10002 // For all apps signature permissions are install time ones. 10003 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10004 if (allowedSig) { 10005 grant = GRANT_INSTALL; 10006 } 10007 } break; 10008 } 10009 10010 if (DEBUG_INSTALL) { 10011 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10012 } 10013 10014 if (grant != GRANT_DENIED) { 10015 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10016 // If this is an existing, non-system package, then 10017 // we can't add any new permissions to it. 10018 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10019 // Except... if this is a permission that was added 10020 // to the platform (note: need to only do this when 10021 // updating the platform). 10022 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10023 grant = GRANT_DENIED; 10024 } 10025 } 10026 } 10027 10028 switch (grant) { 10029 case GRANT_INSTALL: { 10030 // Revoke this as runtime permission to handle the case of 10031 // a runtime permission being downgraded to an install one. 10032 // Also in permission review mode we keep dangerous permissions 10033 // for legacy apps 10034 for (int userId : UserManagerService.getInstance().getUserIds()) { 10035 if (origPermissions.getRuntimePermissionState( 10036 bp.name, userId) != null) { 10037 // Revoke the runtime permission and clear the flags. 10038 origPermissions.revokeRuntimePermission(bp, userId); 10039 origPermissions.updatePermissionFlags(bp, userId, 10040 PackageManager.MASK_PERMISSION_FLAGS, 0); 10041 // If we revoked a permission permission, we have to write. 10042 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10043 changedRuntimePermissionUserIds, userId); 10044 } 10045 } 10046 // Grant an install permission. 10047 if (permissionsState.grantInstallPermission(bp) != 10048 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10049 changedInstallPermission = true; 10050 } 10051 } break; 10052 10053 case GRANT_RUNTIME: { 10054 // Grant previously granted runtime permissions. 10055 for (int userId : UserManagerService.getInstance().getUserIds()) { 10056 PermissionState permissionState = origPermissions 10057 .getRuntimePermissionState(bp.name, userId); 10058 int flags = permissionState != null 10059 ? permissionState.getFlags() : 0; 10060 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10061 if (permissionsState.grantRuntimePermission(bp, userId) == 10062 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10063 // If we cannot put the permission as it was, we have to write. 10064 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10065 changedRuntimePermissionUserIds, userId); 10066 } 10067 // If the app supports runtime permissions no need for a review. 10068 if (Build.PERMISSIONS_REVIEW_REQUIRED 10069 && appSupportsRuntimePermissions 10070 && (flags & PackageManager 10071 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10072 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10073 // Since we changed the flags, we have to write. 10074 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10075 changedRuntimePermissionUserIds, userId); 10076 } 10077 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10078 && !appSupportsRuntimePermissions) { 10079 // For legacy apps that need a permission review, every new 10080 // runtime permission is granted but it is pending a review. 10081 // We also need to review only platform defined runtime 10082 // permissions as these are the only ones the platform knows 10083 // how to disable the API to simulate revocation as legacy 10084 // apps don't expect to run with revoked permissions. 10085 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10086 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10087 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10088 // We changed the flags, hence have to write. 10089 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10090 changedRuntimePermissionUserIds, userId); 10091 } 10092 } 10093 if (permissionsState.grantRuntimePermission(bp, userId) 10094 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10095 // We changed the permission, hence have to write. 10096 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10097 changedRuntimePermissionUserIds, userId); 10098 } 10099 } 10100 // Propagate the permission flags. 10101 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10102 } 10103 } break; 10104 10105 case GRANT_UPGRADE: { 10106 // Grant runtime permissions for a previously held install permission. 10107 PermissionState permissionState = origPermissions 10108 .getInstallPermissionState(bp.name); 10109 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10110 10111 if (origPermissions.revokeInstallPermission(bp) 10112 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10113 // We will be transferring the permission flags, so clear them. 10114 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10115 PackageManager.MASK_PERMISSION_FLAGS, 0); 10116 changedInstallPermission = true; 10117 } 10118 10119 // If the permission is not to be promoted to runtime we ignore it and 10120 // also its other flags as they are not applicable to install permissions. 10121 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10122 for (int userId : currentUserIds) { 10123 if (permissionsState.grantRuntimePermission(bp, userId) != 10124 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10125 // Transfer the permission flags. 10126 permissionsState.updatePermissionFlags(bp, userId, 10127 flags, flags); 10128 // If we granted the permission, we have to write. 10129 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10130 changedRuntimePermissionUserIds, userId); 10131 } 10132 } 10133 } 10134 } break; 10135 10136 default: { 10137 if (packageOfInterest == null 10138 || packageOfInterest.equals(pkg.packageName)) { 10139 Slog.w(TAG, "Not granting permission " + perm 10140 + " to package " + pkg.packageName 10141 + " because it was previously installed without"); 10142 } 10143 } break; 10144 } 10145 } else { 10146 if (permissionsState.revokeInstallPermission(bp) != 10147 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10148 // Also drop the permission flags. 10149 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10150 PackageManager.MASK_PERMISSION_FLAGS, 0); 10151 changedInstallPermission = true; 10152 Slog.i(TAG, "Un-granting permission " + perm 10153 + " from package " + pkg.packageName 10154 + " (protectionLevel=" + bp.protectionLevel 10155 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10156 + ")"); 10157 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10158 // Don't print warning for app op permissions, since it is fine for them 10159 // not to be granted, there is a UI for the user to decide. 10160 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10161 Slog.w(TAG, "Not granting permission " + perm 10162 + " to package " + pkg.packageName 10163 + " (protectionLevel=" + bp.protectionLevel 10164 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10165 + ")"); 10166 } 10167 } 10168 } 10169 } 10170 10171 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10172 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10173 // This is the first that we have heard about this package, so the 10174 // permissions we have now selected are fixed until explicitly 10175 // changed. 10176 ps.installPermissionsFixed = true; 10177 } 10178 10179 // Persist the runtime permissions state for users with changes. If permissions 10180 // were revoked because no app in the shared user declares them we have to 10181 // write synchronously to avoid losing runtime permissions state. 10182 for (int userId : changedRuntimePermissionUserIds) { 10183 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10184 } 10185 10186 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10187 } 10188 10189 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10190 boolean allowed = false; 10191 final int NP = PackageParser.NEW_PERMISSIONS.length; 10192 for (int ip=0; ip<NP; ip++) { 10193 final PackageParser.NewPermissionInfo npi 10194 = PackageParser.NEW_PERMISSIONS[ip]; 10195 if (npi.name.equals(perm) 10196 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10197 allowed = true; 10198 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10199 + pkg.packageName); 10200 break; 10201 } 10202 } 10203 return allowed; 10204 } 10205 10206 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10207 BasePermission bp, PermissionsState origPermissions) { 10208 boolean allowed; 10209 allowed = (compareSignatures( 10210 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10211 == PackageManager.SIGNATURE_MATCH) 10212 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10213 == PackageManager.SIGNATURE_MATCH); 10214 if (!allowed && (bp.protectionLevel 10215 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10216 if (isSystemApp(pkg)) { 10217 // For updated system applications, a system permission 10218 // is granted only if it had been defined by the original application. 10219 if (pkg.isUpdatedSystemApp()) { 10220 final PackageSetting sysPs = mSettings 10221 .getDisabledSystemPkgLPr(pkg.packageName); 10222 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10223 // If the original was granted this permission, we take 10224 // that grant decision as read and propagate it to the 10225 // update. 10226 if (sysPs.isPrivileged()) { 10227 allowed = true; 10228 } 10229 } else { 10230 // The system apk may have been updated with an older 10231 // version of the one on the data partition, but which 10232 // granted a new system permission that it didn't have 10233 // before. In this case we do want to allow the app to 10234 // now get the new permission if the ancestral apk is 10235 // privileged to get it. 10236 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10237 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10238 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10239 allowed = true; 10240 break; 10241 } 10242 } 10243 } 10244 // Also if a privileged parent package on the system image or any of 10245 // its children requested a privileged permission, the updated child 10246 // packages can also get the permission. 10247 if (pkg.parentPackage != null) { 10248 final PackageSetting disabledSysParentPs = mSettings 10249 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10250 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10251 && disabledSysParentPs.isPrivileged()) { 10252 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10253 allowed = true; 10254 } else if (disabledSysParentPs.pkg.childPackages != null) { 10255 final int count = disabledSysParentPs.pkg.childPackages.size(); 10256 for (int i = 0; i < count; i++) { 10257 PackageParser.Package disabledSysChildPkg = 10258 disabledSysParentPs.pkg.childPackages.get(i); 10259 if (isPackageRequestingPermission(disabledSysChildPkg, 10260 perm)) { 10261 allowed = true; 10262 break; 10263 } 10264 } 10265 } 10266 } 10267 } 10268 } 10269 } else { 10270 allowed = isPrivilegedApp(pkg); 10271 } 10272 } 10273 } 10274 if (!allowed) { 10275 if (!allowed && (bp.protectionLevel 10276 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10277 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10278 // If this was a previously normal/dangerous permission that got moved 10279 // to a system permission as part of the runtime permission redesign, then 10280 // we still want to blindly grant it to old apps. 10281 allowed = true; 10282 } 10283 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10284 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10285 // If this permission is to be granted to the system installer and 10286 // this app is an installer, then it gets the permission. 10287 allowed = true; 10288 } 10289 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10290 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10291 // If this permission is to be granted to the system verifier and 10292 // this app is a verifier, then it gets the permission. 10293 allowed = true; 10294 } 10295 if (!allowed && (bp.protectionLevel 10296 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10297 && isSystemApp(pkg)) { 10298 // Any pre-installed system app is allowed to get this permission. 10299 allowed = true; 10300 } 10301 if (!allowed && (bp.protectionLevel 10302 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10303 // For development permissions, a development permission 10304 // is granted only if it was already granted. 10305 allowed = origPermissions.hasInstallPermission(perm); 10306 } 10307 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10308 && pkg.packageName.equals(mSetupWizardPackage)) { 10309 // If this permission is to be granted to the system setup wizard and 10310 // this app is a setup wizard, then it gets the permission. 10311 allowed = true; 10312 } 10313 } 10314 return allowed; 10315 } 10316 10317 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10318 final int permCount = pkg.requestedPermissions.size(); 10319 for (int j = 0; j < permCount; j++) { 10320 String requestedPermission = pkg.requestedPermissions.get(j); 10321 if (permission.equals(requestedPermission)) { 10322 return true; 10323 } 10324 } 10325 return false; 10326 } 10327 10328 final class ActivityIntentResolver 10329 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10330 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10331 boolean defaultOnly, int userId) { 10332 if (!sUserManager.exists(userId)) return null; 10333 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10334 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10335 } 10336 10337 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10338 int userId) { 10339 if (!sUserManager.exists(userId)) return null; 10340 mFlags = flags; 10341 return super.queryIntent(intent, resolvedType, 10342 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10343 } 10344 10345 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10346 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10347 if (!sUserManager.exists(userId)) return null; 10348 if (packageActivities == null) { 10349 return null; 10350 } 10351 mFlags = flags; 10352 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10353 final int N = packageActivities.size(); 10354 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10355 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10356 10357 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10358 for (int i = 0; i < N; ++i) { 10359 intentFilters = packageActivities.get(i).intents; 10360 if (intentFilters != null && intentFilters.size() > 0) { 10361 PackageParser.ActivityIntentInfo[] array = 10362 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10363 intentFilters.toArray(array); 10364 listCut.add(array); 10365 } 10366 } 10367 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10368 } 10369 10370 /** 10371 * Finds a privileged activity that matches the specified activity names. 10372 */ 10373 private PackageParser.Activity findMatchingActivity( 10374 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10375 for (PackageParser.Activity sysActivity : activityList) { 10376 if (sysActivity.info.name.equals(activityInfo.name)) { 10377 return sysActivity; 10378 } 10379 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10380 return sysActivity; 10381 } 10382 if (sysActivity.info.targetActivity != null) { 10383 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10384 return sysActivity; 10385 } 10386 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10387 return sysActivity; 10388 } 10389 } 10390 } 10391 return null; 10392 } 10393 10394 public class IterGenerator<E> { 10395 public Iterator<E> generate(ActivityIntentInfo info) { 10396 return null; 10397 } 10398 } 10399 10400 public class ActionIterGenerator extends IterGenerator<String> { 10401 @Override 10402 public Iterator<String> generate(ActivityIntentInfo info) { 10403 return info.actionsIterator(); 10404 } 10405 } 10406 10407 public class CategoriesIterGenerator extends IterGenerator<String> { 10408 @Override 10409 public Iterator<String> generate(ActivityIntentInfo info) { 10410 return info.categoriesIterator(); 10411 } 10412 } 10413 10414 public class SchemesIterGenerator extends IterGenerator<String> { 10415 @Override 10416 public Iterator<String> generate(ActivityIntentInfo info) { 10417 return info.schemesIterator(); 10418 } 10419 } 10420 10421 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10422 @Override 10423 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10424 return info.authoritiesIterator(); 10425 } 10426 } 10427 10428 /** 10429 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10430 * MODIFIED. Do not pass in a list that should not be changed. 10431 */ 10432 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10433 IterGenerator<T> generator, Iterator<T> searchIterator) { 10434 // loop through the set of actions; every one must be found in the intent filter 10435 while (searchIterator.hasNext()) { 10436 // we must have at least one filter in the list to consider a match 10437 if (intentList.size() == 0) { 10438 break; 10439 } 10440 10441 final T searchAction = searchIterator.next(); 10442 10443 // loop through the set of intent filters 10444 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10445 while (intentIter.hasNext()) { 10446 final ActivityIntentInfo intentInfo = intentIter.next(); 10447 boolean selectionFound = false; 10448 10449 // loop through the intent filter's selection criteria; at least one 10450 // of them must match the searched criteria 10451 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10452 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10453 final T intentSelection = intentSelectionIter.next(); 10454 if (intentSelection != null && intentSelection.equals(searchAction)) { 10455 selectionFound = true; 10456 break; 10457 } 10458 } 10459 10460 // the selection criteria wasn't found in this filter's set; this filter 10461 // is not a potential match 10462 if (!selectionFound) { 10463 intentIter.remove(); 10464 } 10465 } 10466 } 10467 } 10468 10469 private boolean isProtectedAction(ActivityIntentInfo filter) { 10470 final Iterator<String> actionsIter = filter.actionsIterator(); 10471 while (actionsIter != null && actionsIter.hasNext()) { 10472 final String filterAction = actionsIter.next(); 10473 if (PROTECTED_ACTIONS.contains(filterAction)) { 10474 return true; 10475 } 10476 } 10477 return false; 10478 } 10479 10480 /** 10481 * Adjusts the priority of the given intent filter according to policy. 10482 * <p> 10483 * <ul> 10484 * <li>The priority for non privileged applications is capped to '0'</li> 10485 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10486 * <li>The priority for unbundled updates to privileged applications is capped to the 10487 * priority defined on the system partition</li> 10488 * </ul> 10489 * <p> 10490 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10491 * allowed to obtain any priority on any action. 10492 */ 10493 private void adjustPriority( 10494 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10495 // nothing to do; priority is fine as-is 10496 if (intent.getPriority() <= 0) { 10497 return; 10498 } 10499 10500 final ActivityInfo activityInfo = intent.activity.info; 10501 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10502 10503 final boolean privilegedApp = 10504 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10505 if (!privilegedApp) { 10506 // non-privileged applications can never define a priority >0 10507 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10508 + " package: " + applicationInfo.packageName 10509 + " activity: " + intent.activity.className 10510 + " origPrio: " + intent.getPriority()); 10511 intent.setPriority(0); 10512 return; 10513 } 10514 10515 if (systemActivities == null) { 10516 // the system package is not disabled; we're parsing the system partition 10517 if (isProtectedAction(intent)) { 10518 if (mDeferProtectedFilters) { 10519 // We can't deal with these just yet. No component should ever obtain a 10520 // >0 priority for a protected actions, with ONE exception -- the setup 10521 // wizard. The setup wizard, however, cannot be known until we're able to 10522 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10523 // until all intent filters have been processed. Chicken, meet egg. 10524 // Let the filter temporarily have a high priority and rectify the 10525 // priorities after all system packages have been scanned. 10526 mProtectedFilters.add(intent); 10527 if (DEBUG_FILTERS) { 10528 Slog.i(TAG, "Protected action; save for later;" 10529 + " package: " + applicationInfo.packageName 10530 + " activity: " + intent.activity.className 10531 + " origPrio: " + intent.getPriority()); 10532 } 10533 return; 10534 } else { 10535 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10536 Slog.i(TAG, "No setup wizard;" 10537 + " All protected intents capped to priority 0"); 10538 } 10539 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10540 if (DEBUG_FILTERS) { 10541 Slog.i(TAG, "Found setup wizard;" 10542 + " allow priority " + intent.getPriority() + ";" 10543 + " package: " + intent.activity.info.packageName 10544 + " activity: " + intent.activity.className 10545 + " priority: " + intent.getPriority()); 10546 } 10547 // setup wizard gets whatever it wants 10548 return; 10549 } 10550 Slog.w(TAG, "Protected action; cap priority to 0;" 10551 + " package: " + intent.activity.info.packageName 10552 + " activity: " + intent.activity.className 10553 + " origPrio: " + intent.getPriority()); 10554 intent.setPriority(0); 10555 return; 10556 } 10557 } 10558 // privileged apps on the system image get whatever priority they request 10559 return; 10560 } 10561 10562 // privileged app unbundled update ... try to find the same activity 10563 final PackageParser.Activity foundActivity = 10564 findMatchingActivity(systemActivities, activityInfo); 10565 if (foundActivity == null) { 10566 // this is a new activity; it cannot obtain >0 priority 10567 if (DEBUG_FILTERS) { 10568 Slog.i(TAG, "New activity; cap priority to 0;" 10569 + " package: " + applicationInfo.packageName 10570 + " activity: " + intent.activity.className 10571 + " origPrio: " + intent.getPriority()); 10572 } 10573 intent.setPriority(0); 10574 return; 10575 } 10576 10577 // found activity, now check for filter equivalence 10578 10579 // a shallow copy is enough; we modify the list, not its contents 10580 final List<ActivityIntentInfo> intentListCopy = 10581 new ArrayList<>(foundActivity.intents); 10582 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10583 10584 // find matching action subsets 10585 final Iterator<String> actionsIterator = intent.actionsIterator(); 10586 if (actionsIterator != null) { 10587 getIntentListSubset( 10588 intentListCopy, new ActionIterGenerator(), actionsIterator); 10589 if (intentListCopy.size() == 0) { 10590 // no more intents to match; we're not equivalent 10591 if (DEBUG_FILTERS) { 10592 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10593 + " package: " + applicationInfo.packageName 10594 + " activity: " + intent.activity.className 10595 + " origPrio: " + intent.getPriority()); 10596 } 10597 intent.setPriority(0); 10598 return; 10599 } 10600 } 10601 10602 // find matching category subsets 10603 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10604 if (categoriesIterator != null) { 10605 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10606 categoriesIterator); 10607 if (intentListCopy.size() == 0) { 10608 // no more intents to match; we're not equivalent 10609 if (DEBUG_FILTERS) { 10610 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10611 + " package: " + applicationInfo.packageName 10612 + " activity: " + intent.activity.className 10613 + " origPrio: " + intent.getPriority()); 10614 } 10615 intent.setPriority(0); 10616 return; 10617 } 10618 } 10619 10620 // find matching schemes subsets 10621 final Iterator<String> schemesIterator = intent.schemesIterator(); 10622 if (schemesIterator != null) { 10623 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10624 schemesIterator); 10625 if (intentListCopy.size() == 0) { 10626 // no more intents to match; we're not equivalent 10627 if (DEBUG_FILTERS) { 10628 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10629 + " package: " + applicationInfo.packageName 10630 + " activity: " + intent.activity.className 10631 + " origPrio: " + intent.getPriority()); 10632 } 10633 intent.setPriority(0); 10634 return; 10635 } 10636 } 10637 10638 // find matching authorities subsets 10639 final Iterator<IntentFilter.AuthorityEntry> 10640 authoritiesIterator = intent.authoritiesIterator(); 10641 if (authoritiesIterator != null) { 10642 getIntentListSubset(intentListCopy, 10643 new AuthoritiesIterGenerator(), 10644 authoritiesIterator); 10645 if (intentListCopy.size() == 0) { 10646 // no more intents to match; we're not equivalent 10647 if (DEBUG_FILTERS) { 10648 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10649 + " package: " + applicationInfo.packageName 10650 + " activity: " + intent.activity.className 10651 + " origPrio: " + intent.getPriority()); 10652 } 10653 intent.setPriority(0); 10654 return; 10655 } 10656 } 10657 10658 // we found matching filter(s); app gets the max priority of all intents 10659 int cappedPriority = 0; 10660 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10661 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10662 } 10663 if (intent.getPriority() > cappedPriority) { 10664 if (DEBUG_FILTERS) { 10665 Slog.i(TAG, "Found matching filter(s);" 10666 + " cap priority to " + cappedPriority + ";" 10667 + " package: " + applicationInfo.packageName 10668 + " activity: " + intent.activity.className 10669 + " origPrio: " + intent.getPriority()); 10670 } 10671 intent.setPriority(cappedPriority); 10672 return; 10673 } 10674 // all this for nothing; the requested priority was <= what was on the system 10675 } 10676 10677 public final void addActivity(PackageParser.Activity a, String type) { 10678 mActivities.put(a.getComponentName(), a); 10679 if (DEBUG_SHOW_INFO) 10680 Log.v( 10681 TAG, " " + type + " " + 10682 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10683 if (DEBUG_SHOW_INFO) 10684 Log.v(TAG, " Class=" + a.info.name); 10685 final int NI = a.intents.size(); 10686 for (int j=0; j<NI; j++) { 10687 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10688 if ("activity".equals(type)) { 10689 final PackageSetting ps = 10690 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10691 final List<PackageParser.Activity> systemActivities = 10692 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10693 adjustPriority(systemActivities, intent); 10694 } 10695 if (DEBUG_SHOW_INFO) { 10696 Log.v(TAG, " IntentFilter:"); 10697 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10698 } 10699 if (!intent.debugCheck()) { 10700 Log.w(TAG, "==> For Activity " + a.info.name); 10701 } 10702 addFilter(intent); 10703 } 10704 } 10705 10706 public final void removeActivity(PackageParser.Activity a, String type) { 10707 mActivities.remove(a.getComponentName()); 10708 if (DEBUG_SHOW_INFO) { 10709 Log.v(TAG, " " + type + " " 10710 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10711 : a.info.name) + ":"); 10712 Log.v(TAG, " Class=" + a.info.name); 10713 } 10714 final int NI = a.intents.size(); 10715 for (int j=0; j<NI; j++) { 10716 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10717 if (DEBUG_SHOW_INFO) { 10718 Log.v(TAG, " IntentFilter:"); 10719 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10720 } 10721 removeFilter(intent); 10722 } 10723 } 10724 10725 @Override 10726 protected boolean allowFilterResult( 10727 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10728 ActivityInfo filterAi = filter.activity.info; 10729 for (int i=dest.size()-1; i>=0; i--) { 10730 ActivityInfo destAi = dest.get(i).activityInfo; 10731 if (destAi.name == filterAi.name 10732 && destAi.packageName == filterAi.packageName) { 10733 return false; 10734 } 10735 } 10736 return true; 10737 } 10738 10739 @Override 10740 protected ActivityIntentInfo[] newArray(int size) { 10741 return new ActivityIntentInfo[size]; 10742 } 10743 10744 @Override 10745 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10746 if (!sUserManager.exists(userId)) return true; 10747 PackageParser.Package p = filter.activity.owner; 10748 if (p != null) { 10749 PackageSetting ps = (PackageSetting)p.mExtras; 10750 if (ps != null) { 10751 // System apps are never considered stopped for purposes of 10752 // filtering, because there may be no way for the user to 10753 // actually re-launch them. 10754 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10755 && ps.getStopped(userId); 10756 } 10757 } 10758 return false; 10759 } 10760 10761 @Override 10762 protected boolean isPackageForFilter(String packageName, 10763 PackageParser.ActivityIntentInfo info) { 10764 return packageName.equals(info.activity.owner.packageName); 10765 } 10766 10767 @Override 10768 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10769 int match, int userId) { 10770 if (!sUserManager.exists(userId)) return null; 10771 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10772 return null; 10773 } 10774 final PackageParser.Activity activity = info.activity; 10775 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10776 if (ps == null) { 10777 return null; 10778 } 10779 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10780 ps.readUserState(userId), userId); 10781 if (ai == null) { 10782 return null; 10783 } 10784 final ResolveInfo res = new ResolveInfo(); 10785 res.activityInfo = ai; 10786 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10787 res.filter = info; 10788 } 10789 if (info != null) { 10790 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10791 } 10792 res.priority = info.getPriority(); 10793 res.preferredOrder = activity.owner.mPreferredOrder; 10794 //System.out.println("Result: " + res.activityInfo.className + 10795 // " = " + res.priority); 10796 res.match = match; 10797 res.isDefault = info.hasDefault; 10798 res.labelRes = info.labelRes; 10799 res.nonLocalizedLabel = info.nonLocalizedLabel; 10800 if (userNeedsBadging(userId)) { 10801 res.noResourceId = true; 10802 } else { 10803 res.icon = info.icon; 10804 } 10805 res.iconResourceId = info.icon; 10806 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10807 return res; 10808 } 10809 10810 @Override 10811 protected void sortResults(List<ResolveInfo> results) { 10812 Collections.sort(results, mResolvePrioritySorter); 10813 } 10814 10815 @Override 10816 protected void dumpFilter(PrintWriter out, String prefix, 10817 PackageParser.ActivityIntentInfo filter) { 10818 out.print(prefix); out.print( 10819 Integer.toHexString(System.identityHashCode(filter.activity))); 10820 out.print(' '); 10821 filter.activity.printComponentShortName(out); 10822 out.print(" filter "); 10823 out.println(Integer.toHexString(System.identityHashCode(filter))); 10824 } 10825 10826 @Override 10827 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10828 return filter.activity; 10829 } 10830 10831 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10832 PackageParser.Activity activity = (PackageParser.Activity)label; 10833 out.print(prefix); out.print( 10834 Integer.toHexString(System.identityHashCode(activity))); 10835 out.print(' '); 10836 activity.printComponentShortName(out); 10837 if (count > 1) { 10838 out.print(" ("); out.print(count); out.print(" filters)"); 10839 } 10840 out.println(); 10841 } 10842 10843 // Keys are String (activity class name), values are Activity. 10844 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10845 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10846 private int mFlags; 10847 } 10848 10849 private final class ServiceIntentResolver 10850 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10851 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10852 boolean defaultOnly, int userId) { 10853 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10854 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10855 } 10856 10857 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10858 int userId) { 10859 if (!sUserManager.exists(userId)) return null; 10860 mFlags = flags; 10861 return super.queryIntent(intent, resolvedType, 10862 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10863 } 10864 10865 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10866 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10867 if (!sUserManager.exists(userId)) return null; 10868 if (packageServices == null) { 10869 return null; 10870 } 10871 mFlags = flags; 10872 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10873 final int N = packageServices.size(); 10874 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10875 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10876 10877 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10878 for (int i = 0; i < N; ++i) { 10879 intentFilters = packageServices.get(i).intents; 10880 if (intentFilters != null && intentFilters.size() > 0) { 10881 PackageParser.ServiceIntentInfo[] array = 10882 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10883 intentFilters.toArray(array); 10884 listCut.add(array); 10885 } 10886 } 10887 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10888 } 10889 10890 public final void addService(PackageParser.Service s) { 10891 mServices.put(s.getComponentName(), s); 10892 if (DEBUG_SHOW_INFO) { 10893 Log.v(TAG, " " 10894 + (s.info.nonLocalizedLabel != null 10895 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10896 Log.v(TAG, " Class=" + s.info.name); 10897 } 10898 final int NI = s.intents.size(); 10899 int j; 10900 for (j=0; j<NI; j++) { 10901 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10902 if (DEBUG_SHOW_INFO) { 10903 Log.v(TAG, " IntentFilter:"); 10904 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10905 } 10906 if (!intent.debugCheck()) { 10907 Log.w(TAG, "==> For Service " + s.info.name); 10908 } 10909 addFilter(intent); 10910 } 10911 } 10912 10913 public final void removeService(PackageParser.Service s) { 10914 mServices.remove(s.getComponentName()); 10915 if (DEBUG_SHOW_INFO) { 10916 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10917 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10918 Log.v(TAG, " Class=" + s.info.name); 10919 } 10920 final int NI = s.intents.size(); 10921 int j; 10922 for (j=0; j<NI; j++) { 10923 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10924 if (DEBUG_SHOW_INFO) { 10925 Log.v(TAG, " IntentFilter:"); 10926 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10927 } 10928 removeFilter(intent); 10929 } 10930 } 10931 10932 @Override 10933 protected boolean allowFilterResult( 10934 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10935 ServiceInfo filterSi = filter.service.info; 10936 for (int i=dest.size()-1; i>=0; i--) { 10937 ServiceInfo destAi = dest.get(i).serviceInfo; 10938 if (destAi.name == filterSi.name 10939 && destAi.packageName == filterSi.packageName) { 10940 return false; 10941 } 10942 } 10943 return true; 10944 } 10945 10946 @Override 10947 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10948 return new PackageParser.ServiceIntentInfo[size]; 10949 } 10950 10951 @Override 10952 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10953 if (!sUserManager.exists(userId)) return true; 10954 PackageParser.Package p = filter.service.owner; 10955 if (p != null) { 10956 PackageSetting ps = (PackageSetting)p.mExtras; 10957 if (ps != null) { 10958 // System apps are never considered stopped for purposes of 10959 // filtering, because there may be no way for the user to 10960 // actually re-launch them. 10961 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10962 && ps.getStopped(userId); 10963 } 10964 } 10965 return false; 10966 } 10967 10968 @Override 10969 protected boolean isPackageForFilter(String packageName, 10970 PackageParser.ServiceIntentInfo info) { 10971 return packageName.equals(info.service.owner.packageName); 10972 } 10973 10974 @Override 10975 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10976 int match, int userId) { 10977 if (!sUserManager.exists(userId)) return null; 10978 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10979 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10980 return null; 10981 } 10982 final PackageParser.Service service = info.service; 10983 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10984 if (ps == null) { 10985 return null; 10986 } 10987 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10988 ps.readUserState(userId), userId); 10989 if (si == null) { 10990 return null; 10991 } 10992 final ResolveInfo res = new ResolveInfo(); 10993 res.serviceInfo = si; 10994 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10995 res.filter = filter; 10996 } 10997 res.priority = info.getPriority(); 10998 res.preferredOrder = service.owner.mPreferredOrder; 10999 res.match = match; 11000 res.isDefault = info.hasDefault; 11001 res.labelRes = info.labelRes; 11002 res.nonLocalizedLabel = info.nonLocalizedLabel; 11003 res.icon = info.icon; 11004 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11005 return res; 11006 } 11007 11008 @Override 11009 protected void sortResults(List<ResolveInfo> results) { 11010 Collections.sort(results, mResolvePrioritySorter); 11011 } 11012 11013 @Override 11014 protected void dumpFilter(PrintWriter out, String prefix, 11015 PackageParser.ServiceIntentInfo filter) { 11016 out.print(prefix); out.print( 11017 Integer.toHexString(System.identityHashCode(filter.service))); 11018 out.print(' '); 11019 filter.service.printComponentShortName(out); 11020 out.print(" filter "); 11021 out.println(Integer.toHexString(System.identityHashCode(filter))); 11022 } 11023 11024 @Override 11025 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11026 return filter.service; 11027 } 11028 11029 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11030 PackageParser.Service service = (PackageParser.Service)label; 11031 out.print(prefix); out.print( 11032 Integer.toHexString(System.identityHashCode(service))); 11033 out.print(' '); 11034 service.printComponentShortName(out); 11035 if (count > 1) { 11036 out.print(" ("); out.print(count); out.print(" filters)"); 11037 } 11038 out.println(); 11039 } 11040 11041// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11042// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11043// final List<ResolveInfo> retList = Lists.newArrayList(); 11044// while (i.hasNext()) { 11045// final ResolveInfo resolveInfo = (ResolveInfo) i; 11046// if (isEnabledLP(resolveInfo.serviceInfo)) { 11047// retList.add(resolveInfo); 11048// } 11049// } 11050// return retList; 11051// } 11052 11053 // Keys are String (activity class name), values are Activity. 11054 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11055 = new ArrayMap<ComponentName, PackageParser.Service>(); 11056 private int mFlags; 11057 }; 11058 11059 private final class ProviderIntentResolver 11060 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11061 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11062 boolean defaultOnly, int userId) { 11063 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11064 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11065 } 11066 11067 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11068 int userId) { 11069 if (!sUserManager.exists(userId)) 11070 return null; 11071 mFlags = flags; 11072 return super.queryIntent(intent, resolvedType, 11073 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11074 } 11075 11076 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11077 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11078 if (!sUserManager.exists(userId)) 11079 return null; 11080 if (packageProviders == null) { 11081 return null; 11082 } 11083 mFlags = flags; 11084 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11085 final int N = packageProviders.size(); 11086 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11087 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11088 11089 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11090 for (int i = 0; i < N; ++i) { 11091 intentFilters = packageProviders.get(i).intents; 11092 if (intentFilters != null && intentFilters.size() > 0) { 11093 PackageParser.ProviderIntentInfo[] array = 11094 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11095 intentFilters.toArray(array); 11096 listCut.add(array); 11097 } 11098 } 11099 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11100 } 11101 11102 public final void addProvider(PackageParser.Provider p) { 11103 if (mProviders.containsKey(p.getComponentName())) { 11104 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11105 return; 11106 } 11107 11108 mProviders.put(p.getComponentName(), p); 11109 if (DEBUG_SHOW_INFO) { 11110 Log.v(TAG, " " 11111 + (p.info.nonLocalizedLabel != null 11112 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11113 Log.v(TAG, " Class=" + p.info.name); 11114 } 11115 final int NI = p.intents.size(); 11116 int j; 11117 for (j = 0; j < NI; j++) { 11118 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11119 if (DEBUG_SHOW_INFO) { 11120 Log.v(TAG, " IntentFilter:"); 11121 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11122 } 11123 if (!intent.debugCheck()) { 11124 Log.w(TAG, "==> For Provider " + p.info.name); 11125 } 11126 addFilter(intent); 11127 } 11128 } 11129 11130 public final void removeProvider(PackageParser.Provider p) { 11131 mProviders.remove(p.getComponentName()); 11132 if (DEBUG_SHOW_INFO) { 11133 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11134 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11135 Log.v(TAG, " Class=" + p.info.name); 11136 } 11137 final int NI = p.intents.size(); 11138 int j; 11139 for (j = 0; j < NI; j++) { 11140 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11141 if (DEBUG_SHOW_INFO) { 11142 Log.v(TAG, " IntentFilter:"); 11143 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11144 } 11145 removeFilter(intent); 11146 } 11147 } 11148 11149 @Override 11150 protected boolean allowFilterResult( 11151 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11152 ProviderInfo filterPi = filter.provider.info; 11153 for (int i = dest.size() - 1; i >= 0; i--) { 11154 ProviderInfo destPi = dest.get(i).providerInfo; 11155 if (destPi.name == filterPi.name 11156 && destPi.packageName == filterPi.packageName) { 11157 return false; 11158 } 11159 } 11160 return true; 11161 } 11162 11163 @Override 11164 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11165 return new PackageParser.ProviderIntentInfo[size]; 11166 } 11167 11168 @Override 11169 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11170 if (!sUserManager.exists(userId)) 11171 return true; 11172 PackageParser.Package p = filter.provider.owner; 11173 if (p != null) { 11174 PackageSetting ps = (PackageSetting) p.mExtras; 11175 if (ps != null) { 11176 // System apps are never considered stopped for purposes of 11177 // filtering, because there may be no way for the user to 11178 // actually re-launch them. 11179 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11180 && ps.getStopped(userId); 11181 } 11182 } 11183 return false; 11184 } 11185 11186 @Override 11187 protected boolean isPackageForFilter(String packageName, 11188 PackageParser.ProviderIntentInfo info) { 11189 return packageName.equals(info.provider.owner.packageName); 11190 } 11191 11192 @Override 11193 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11194 int match, int userId) { 11195 if (!sUserManager.exists(userId)) 11196 return null; 11197 final PackageParser.ProviderIntentInfo info = filter; 11198 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11199 return null; 11200 } 11201 final PackageParser.Provider provider = info.provider; 11202 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11203 if (ps == null) { 11204 return null; 11205 } 11206 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11207 ps.readUserState(userId), userId); 11208 if (pi == null) { 11209 return null; 11210 } 11211 final ResolveInfo res = new ResolveInfo(); 11212 res.providerInfo = pi; 11213 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11214 res.filter = filter; 11215 } 11216 res.priority = info.getPriority(); 11217 res.preferredOrder = provider.owner.mPreferredOrder; 11218 res.match = match; 11219 res.isDefault = info.hasDefault; 11220 res.labelRes = info.labelRes; 11221 res.nonLocalizedLabel = info.nonLocalizedLabel; 11222 res.icon = info.icon; 11223 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11224 return res; 11225 } 11226 11227 @Override 11228 protected void sortResults(List<ResolveInfo> results) { 11229 Collections.sort(results, mResolvePrioritySorter); 11230 } 11231 11232 @Override 11233 protected void dumpFilter(PrintWriter out, String prefix, 11234 PackageParser.ProviderIntentInfo filter) { 11235 out.print(prefix); 11236 out.print( 11237 Integer.toHexString(System.identityHashCode(filter.provider))); 11238 out.print(' '); 11239 filter.provider.printComponentShortName(out); 11240 out.print(" filter "); 11241 out.println(Integer.toHexString(System.identityHashCode(filter))); 11242 } 11243 11244 @Override 11245 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11246 return filter.provider; 11247 } 11248 11249 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11250 PackageParser.Provider provider = (PackageParser.Provider)label; 11251 out.print(prefix); out.print( 11252 Integer.toHexString(System.identityHashCode(provider))); 11253 out.print(' '); 11254 provider.printComponentShortName(out); 11255 if (count > 1) { 11256 out.print(" ("); out.print(count); out.print(" filters)"); 11257 } 11258 out.println(); 11259 } 11260 11261 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11262 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11263 private int mFlags; 11264 } 11265 11266 private static final class EphemeralIntentResolver 11267 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11268 @Override 11269 protected EphemeralResolveIntentInfo[] newArray(int size) { 11270 return new EphemeralResolveIntentInfo[size]; 11271 } 11272 11273 @Override 11274 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11275 return true; 11276 } 11277 11278 @Override 11279 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11280 int userId) { 11281 if (!sUserManager.exists(userId)) { 11282 return null; 11283 } 11284 return info.getEphemeralResolveInfo(); 11285 } 11286 } 11287 11288 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11289 new Comparator<ResolveInfo>() { 11290 public int compare(ResolveInfo r1, ResolveInfo r2) { 11291 int v1 = r1.priority; 11292 int v2 = r2.priority; 11293 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11294 if (v1 != v2) { 11295 return (v1 > v2) ? -1 : 1; 11296 } 11297 v1 = r1.preferredOrder; 11298 v2 = r2.preferredOrder; 11299 if (v1 != v2) { 11300 return (v1 > v2) ? -1 : 1; 11301 } 11302 if (r1.isDefault != r2.isDefault) { 11303 return r1.isDefault ? -1 : 1; 11304 } 11305 v1 = r1.match; 11306 v2 = r2.match; 11307 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11308 if (v1 != v2) { 11309 return (v1 > v2) ? -1 : 1; 11310 } 11311 if (r1.system != r2.system) { 11312 return r1.system ? -1 : 1; 11313 } 11314 if (r1.activityInfo != null) { 11315 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11316 } 11317 if (r1.serviceInfo != null) { 11318 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11319 } 11320 if (r1.providerInfo != null) { 11321 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11322 } 11323 return 0; 11324 } 11325 }; 11326 11327 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11328 new Comparator<ProviderInfo>() { 11329 public int compare(ProviderInfo p1, ProviderInfo p2) { 11330 final int v1 = p1.initOrder; 11331 final int v2 = p2.initOrder; 11332 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11333 } 11334 }; 11335 11336 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11337 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11338 final int[] userIds) { 11339 mHandler.post(new Runnable() { 11340 @Override 11341 public void run() { 11342 try { 11343 final IActivityManager am = ActivityManagerNative.getDefault(); 11344 if (am == null) return; 11345 final int[] resolvedUserIds; 11346 if (userIds == null) { 11347 resolvedUserIds = am.getRunningUserIds(); 11348 } else { 11349 resolvedUserIds = userIds; 11350 } 11351 for (int id : resolvedUserIds) { 11352 final Intent intent = new Intent(action, 11353 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 11354 if (extras != null) { 11355 intent.putExtras(extras); 11356 } 11357 if (targetPkg != null) { 11358 intent.setPackage(targetPkg); 11359 } 11360 // Modify the UID when posting to other users 11361 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11362 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11363 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11364 intent.putExtra(Intent.EXTRA_UID, uid); 11365 } 11366 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11367 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11368 if (DEBUG_BROADCASTS) { 11369 RuntimeException here = new RuntimeException("here"); 11370 here.fillInStackTrace(); 11371 Slog.d(TAG, "Sending to user " + id + ": " 11372 + intent.toShortString(false, true, false, false) 11373 + " " + intent.getExtras(), here); 11374 } 11375 am.broadcastIntent(null, intent, null, finishedReceiver, 11376 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11377 null, finishedReceiver != null, false, id); 11378 } 11379 } catch (RemoteException ex) { 11380 } 11381 } 11382 }); 11383 } 11384 11385 /** 11386 * Check if the external storage media is available. This is true if there 11387 * is a mounted external storage medium or if the external storage is 11388 * emulated. 11389 */ 11390 private boolean isExternalMediaAvailable() { 11391 return mMediaMounted || Environment.isExternalStorageEmulated(); 11392 } 11393 11394 @Override 11395 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11396 // writer 11397 synchronized (mPackages) { 11398 if (!isExternalMediaAvailable()) { 11399 // If the external storage is no longer mounted at this point, 11400 // the caller may not have been able to delete all of this 11401 // packages files and can not delete any more. Bail. 11402 return null; 11403 } 11404 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11405 if (lastPackage != null) { 11406 pkgs.remove(lastPackage); 11407 } 11408 if (pkgs.size() > 0) { 11409 return pkgs.get(0); 11410 } 11411 } 11412 return null; 11413 } 11414 11415 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11416 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11417 userId, andCode ? 1 : 0, packageName); 11418 if (mSystemReady) { 11419 msg.sendToTarget(); 11420 } else { 11421 if (mPostSystemReadyMessages == null) { 11422 mPostSystemReadyMessages = new ArrayList<>(); 11423 } 11424 mPostSystemReadyMessages.add(msg); 11425 } 11426 } 11427 11428 void startCleaningPackages() { 11429 // reader 11430 if (!isExternalMediaAvailable()) { 11431 return; 11432 } 11433 synchronized (mPackages) { 11434 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11435 return; 11436 } 11437 } 11438 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11439 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11440 IActivityManager am = ActivityManagerNative.getDefault(); 11441 if (am != null) { 11442 try { 11443 am.startService(null, intent, null, mContext.getOpPackageName(), 11444 UserHandle.USER_SYSTEM); 11445 } catch (RemoteException e) { 11446 } 11447 } 11448 } 11449 11450 @Override 11451 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11452 int installFlags, String installerPackageName, int userId) { 11453 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11454 11455 final int callingUid = Binder.getCallingUid(); 11456 enforceCrossUserPermission(callingUid, userId, 11457 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11458 11459 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11460 try { 11461 if (observer != null) { 11462 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11463 } 11464 } catch (RemoteException re) { 11465 } 11466 return; 11467 } 11468 11469 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11470 installFlags |= PackageManager.INSTALL_FROM_ADB; 11471 11472 } else { 11473 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11474 // about installerPackageName. 11475 11476 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11477 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11478 } 11479 11480 UserHandle user; 11481 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11482 user = UserHandle.ALL; 11483 } else { 11484 user = new UserHandle(userId); 11485 } 11486 11487 // Only system components can circumvent runtime permissions when installing. 11488 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11489 && mContext.checkCallingOrSelfPermission(Manifest.permission 11490 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11491 throw new SecurityException("You need the " 11492 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11493 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11494 } 11495 11496 final File originFile = new File(originPath); 11497 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11498 11499 final Message msg = mHandler.obtainMessage(INIT_COPY); 11500 final VerificationInfo verificationInfo = new VerificationInfo( 11501 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11502 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11503 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11504 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11505 null /*certificates*/); 11506 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11507 msg.obj = params; 11508 11509 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11510 System.identityHashCode(msg.obj)); 11511 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11512 System.identityHashCode(msg.obj)); 11513 11514 mHandler.sendMessage(msg); 11515 } 11516 11517 void installStage(String packageName, File stagedDir, String stagedCid, 11518 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11519 String installerPackageName, int installerUid, UserHandle user, 11520 Certificate[][] certificates) { 11521 if (DEBUG_EPHEMERAL) { 11522 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11523 Slog.d(TAG, "Ephemeral install of " + packageName); 11524 } 11525 } 11526 final VerificationInfo verificationInfo = new VerificationInfo( 11527 sessionParams.originatingUri, sessionParams.referrerUri, 11528 sessionParams.originatingUid, installerUid); 11529 11530 final OriginInfo origin; 11531 if (stagedDir != null) { 11532 origin = OriginInfo.fromStagedFile(stagedDir); 11533 } else { 11534 origin = OriginInfo.fromStagedContainer(stagedCid); 11535 } 11536 11537 final Message msg = mHandler.obtainMessage(INIT_COPY); 11538 final InstallParams params = new InstallParams(origin, null, observer, 11539 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11540 verificationInfo, user, sessionParams.abiOverride, 11541 sessionParams.grantedRuntimePermissions, certificates); 11542 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11543 msg.obj = params; 11544 11545 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11546 System.identityHashCode(msg.obj)); 11547 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11548 System.identityHashCode(msg.obj)); 11549 11550 mHandler.sendMessage(msg); 11551 } 11552 11553 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11554 int userId) { 11555 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11556 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11557 } 11558 11559 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11560 int appId, int userId) { 11561 Bundle extras = new Bundle(1); 11562 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11563 11564 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11565 packageName, extras, 0, null, null, new int[] {userId}); 11566 try { 11567 IActivityManager am = ActivityManagerNative.getDefault(); 11568 if (isSystem && am.isUserRunning(userId, 0)) { 11569 // The just-installed/enabled app is bundled on the system, so presumed 11570 // to be able to run automatically without needing an explicit launch. 11571 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11572 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11573 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11574 .setPackage(packageName); 11575 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11576 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11577 } 11578 } catch (RemoteException e) { 11579 // shouldn't happen 11580 Slog.w(TAG, "Unable to bootstrap installed package", e); 11581 } 11582 } 11583 11584 @Override 11585 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11586 int userId) { 11587 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11588 PackageSetting pkgSetting; 11589 final int uid = Binder.getCallingUid(); 11590 enforceCrossUserPermission(uid, userId, 11591 true /* requireFullPermission */, true /* checkShell */, 11592 "setApplicationHiddenSetting for user " + userId); 11593 11594 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11595 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11596 return false; 11597 } 11598 11599 long callingId = Binder.clearCallingIdentity(); 11600 try { 11601 boolean sendAdded = false; 11602 boolean sendRemoved = false; 11603 // writer 11604 synchronized (mPackages) { 11605 pkgSetting = mSettings.mPackages.get(packageName); 11606 if (pkgSetting == null) { 11607 return false; 11608 } 11609 // Do not allow "android" is being disabled 11610 if ("android".equals(packageName)) { 11611 Slog.w(TAG, "Cannot hide package: android"); 11612 return false; 11613 } 11614 // Only allow protected packages to hide themselves. 11615 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11616 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11617 Slog.w(TAG, "Not hiding protected package: " + packageName); 11618 return false; 11619 } 11620 11621 if (pkgSetting.getHidden(userId) != hidden) { 11622 pkgSetting.setHidden(hidden, userId); 11623 mSettings.writePackageRestrictionsLPr(userId); 11624 if (hidden) { 11625 sendRemoved = true; 11626 } else { 11627 sendAdded = true; 11628 } 11629 } 11630 } 11631 if (sendAdded) { 11632 sendPackageAddedForUser(packageName, pkgSetting, userId); 11633 return true; 11634 } 11635 if (sendRemoved) { 11636 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11637 "hiding pkg"); 11638 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11639 return true; 11640 } 11641 } finally { 11642 Binder.restoreCallingIdentity(callingId); 11643 } 11644 return false; 11645 } 11646 11647 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11648 int userId) { 11649 final PackageRemovedInfo info = new PackageRemovedInfo(); 11650 info.removedPackage = packageName; 11651 info.removedUsers = new int[] {userId}; 11652 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11653 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11654 } 11655 11656 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11657 if (pkgList.length > 0) { 11658 Bundle extras = new Bundle(1); 11659 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11660 11661 sendPackageBroadcast( 11662 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11663 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11664 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11665 new int[] {userId}); 11666 } 11667 } 11668 11669 /** 11670 * Returns true if application is not found or there was an error. Otherwise it returns 11671 * the hidden state of the package for the given user. 11672 */ 11673 @Override 11674 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11675 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11676 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11677 true /* requireFullPermission */, false /* checkShell */, 11678 "getApplicationHidden for user " + userId); 11679 PackageSetting pkgSetting; 11680 long callingId = Binder.clearCallingIdentity(); 11681 try { 11682 // writer 11683 synchronized (mPackages) { 11684 pkgSetting = mSettings.mPackages.get(packageName); 11685 if (pkgSetting == null) { 11686 return true; 11687 } 11688 return pkgSetting.getHidden(userId); 11689 } 11690 } finally { 11691 Binder.restoreCallingIdentity(callingId); 11692 } 11693 } 11694 11695 /** 11696 * @hide 11697 */ 11698 @Override 11699 public int installExistingPackageAsUser(String packageName, int userId) { 11700 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11701 null); 11702 PackageSetting pkgSetting; 11703 final int uid = Binder.getCallingUid(); 11704 enforceCrossUserPermission(uid, userId, 11705 true /* requireFullPermission */, true /* checkShell */, 11706 "installExistingPackage for user " + userId); 11707 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11708 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11709 } 11710 11711 long callingId = Binder.clearCallingIdentity(); 11712 try { 11713 boolean installed = false; 11714 11715 // writer 11716 synchronized (mPackages) { 11717 pkgSetting = mSettings.mPackages.get(packageName); 11718 if (pkgSetting == null) { 11719 return PackageManager.INSTALL_FAILED_INVALID_URI; 11720 } 11721 if (!pkgSetting.getInstalled(userId)) { 11722 pkgSetting.setInstalled(true, userId); 11723 pkgSetting.setHidden(false, userId); 11724 mSettings.writePackageRestrictionsLPr(userId); 11725 installed = true; 11726 } 11727 } 11728 11729 if (installed) { 11730 if (pkgSetting.pkg != null) { 11731 synchronized (mInstallLock) { 11732 // We don't need to freeze for a brand new install 11733 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11734 } 11735 } 11736 sendPackageAddedForUser(packageName, pkgSetting, userId); 11737 } 11738 } finally { 11739 Binder.restoreCallingIdentity(callingId); 11740 } 11741 11742 return PackageManager.INSTALL_SUCCEEDED; 11743 } 11744 11745 boolean isUserRestricted(int userId, String restrictionKey) { 11746 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11747 if (restrictions.getBoolean(restrictionKey, false)) { 11748 Log.w(TAG, "User is restricted: " + restrictionKey); 11749 return true; 11750 } 11751 return false; 11752 } 11753 11754 @Override 11755 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11756 int userId) { 11757 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11758 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11759 true /* requireFullPermission */, true /* checkShell */, 11760 "setPackagesSuspended for user " + userId); 11761 11762 if (ArrayUtils.isEmpty(packageNames)) { 11763 return packageNames; 11764 } 11765 11766 // List of package names for whom the suspended state has changed. 11767 List<String> changedPackages = new ArrayList<>(packageNames.length); 11768 // List of package names for whom the suspended state is not set as requested in this 11769 // method. 11770 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11771 long callingId = Binder.clearCallingIdentity(); 11772 try { 11773 for (int i = 0; i < packageNames.length; i++) { 11774 String packageName = packageNames[i]; 11775 boolean changed = false; 11776 final int appId; 11777 synchronized (mPackages) { 11778 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11779 if (pkgSetting == null) { 11780 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11781 + "\". Skipping suspending/un-suspending."); 11782 unactionedPackages.add(packageName); 11783 continue; 11784 } 11785 appId = pkgSetting.appId; 11786 if (pkgSetting.getSuspended(userId) != suspended) { 11787 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11788 unactionedPackages.add(packageName); 11789 continue; 11790 } 11791 pkgSetting.setSuspended(suspended, userId); 11792 mSettings.writePackageRestrictionsLPr(userId); 11793 changed = true; 11794 changedPackages.add(packageName); 11795 } 11796 } 11797 11798 if (changed && suspended) { 11799 killApplication(packageName, UserHandle.getUid(userId, appId), 11800 "suspending package"); 11801 } 11802 } 11803 } finally { 11804 Binder.restoreCallingIdentity(callingId); 11805 } 11806 11807 if (!changedPackages.isEmpty()) { 11808 sendPackagesSuspendedForUser(changedPackages.toArray( 11809 new String[changedPackages.size()]), userId, suspended); 11810 } 11811 11812 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11813 } 11814 11815 @Override 11816 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11817 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11818 true /* requireFullPermission */, false /* checkShell */, 11819 "isPackageSuspendedForUser for user " + userId); 11820 synchronized (mPackages) { 11821 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11822 if (pkgSetting == null) { 11823 throw new IllegalArgumentException("Unknown target package: " + packageName); 11824 } 11825 return pkgSetting.getSuspended(userId); 11826 } 11827 } 11828 11829 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11830 if (isPackageDeviceAdmin(packageName, userId)) { 11831 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11832 + "\": has an active device admin"); 11833 return false; 11834 } 11835 11836 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11837 if (packageName.equals(activeLauncherPackageName)) { 11838 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11839 + "\": contains the active launcher"); 11840 return false; 11841 } 11842 11843 if (packageName.equals(mRequiredInstallerPackage)) { 11844 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11845 + "\": required for package installation"); 11846 return false; 11847 } 11848 11849 if (packageName.equals(mRequiredUninstallerPackage)) { 11850 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11851 + "\": required for package uninstallation"); 11852 return false; 11853 } 11854 11855 if (packageName.equals(mRequiredVerifierPackage)) { 11856 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11857 + "\": required for package verification"); 11858 return false; 11859 } 11860 11861 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11862 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11863 + "\": is the default dialer"); 11864 return false; 11865 } 11866 11867 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11868 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11869 + "\": protected package"); 11870 return false; 11871 } 11872 11873 return true; 11874 } 11875 11876 private String getActiveLauncherPackageName(int userId) { 11877 Intent intent = new Intent(Intent.ACTION_MAIN); 11878 intent.addCategory(Intent.CATEGORY_HOME); 11879 ResolveInfo resolveInfo = resolveIntent( 11880 intent, 11881 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11882 PackageManager.MATCH_DEFAULT_ONLY, 11883 userId); 11884 11885 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11886 } 11887 11888 private String getDefaultDialerPackageName(int userId) { 11889 synchronized (mPackages) { 11890 return mSettings.getDefaultDialerPackageNameLPw(userId); 11891 } 11892 } 11893 11894 @Override 11895 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11896 mContext.enforceCallingOrSelfPermission( 11897 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11898 "Only package verification agents can verify applications"); 11899 11900 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11901 final PackageVerificationResponse response = new PackageVerificationResponse( 11902 verificationCode, Binder.getCallingUid()); 11903 msg.arg1 = id; 11904 msg.obj = response; 11905 mHandler.sendMessage(msg); 11906 } 11907 11908 @Override 11909 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11910 long millisecondsToDelay) { 11911 mContext.enforceCallingOrSelfPermission( 11912 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11913 "Only package verification agents can extend verification timeouts"); 11914 11915 final PackageVerificationState state = mPendingVerification.get(id); 11916 final PackageVerificationResponse response = new PackageVerificationResponse( 11917 verificationCodeAtTimeout, Binder.getCallingUid()); 11918 11919 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11920 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11921 } 11922 if (millisecondsToDelay < 0) { 11923 millisecondsToDelay = 0; 11924 } 11925 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11926 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11927 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11928 } 11929 11930 if ((state != null) && !state.timeoutExtended()) { 11931 state.extendTimeout(); 11932 11933 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11934 msg.arg1 = id; 11935 msg.obj = response; 11936 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11937 } 11938 } 11939 11940 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11941 int verificationCode, UserHandle user) { 11942 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11943 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11944 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11945 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11946 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11947 11948 mContext.sendBroadcastAsUser(intent, user, 11949 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11950 } 11951 11952 private ComponentName matchComponentForVerifier(String packageName, 11953 List<ResolveInfo> receivers) { 11954 ActivityInfo targetReceiver = null; 11955 11956 final int NR = receivers.size(); 11957 for (int i = 0; i < NR; i++) { 11958 final ResolveInfo info = receivers.get(i); 11959 if (info.activityInfo == null) { 11960 continue; 11961 } 11962 11963 if (packageName.equals(info.activityInfo.packageName)) { 11964 targetReceiver = info.activityInfo; 11965 break; 11966 } 11967 } 11968 11969 if (targetReceiver == null) { 11970 return null; 11971 } 11972 11973 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11974 } 11975 11976 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11977 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11978 if (pkgInfo.verifiers.length == 0) { 11979 return null; 11980 } 11981 11982 final int N = pkgInfo.verifiers.length; 11983 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11984 for (int i = 0; i < N; i++) { 11985 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11986 11987 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11988 receivers); 11989 if (comp == null) { 11990 continue; 11991 } 11992 11993 final int verifierUid = getUidForVerifier(verifierInfo); 11994 if (verifierUid == -1) { 11995 continue; 11996 } 11997 11998 if (DEBUG_VERIFY) { 11999 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12000 + " with the correct signature"); 12001 } 12002 sufficientVerifiers.add(comp); 12003 verificationState.addSufficientVerifier(verifierUid); 12004 } 12005 12006 return sufficientVerifiers; 12007 } 12008 12009 private int getUidForVerifier(VerifierInfo verifierInfo) { 12010 synchronized (mPackages) { 12011 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12012 if (pkg == null) { 12013 return -1; 12014 } else if (pkg.mSignatures.length != 1) { 12015 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12016 + " has more than one signature; ignoring"); 12017 return -1; 12018 } 12019 12020 /* 12021 * If the public key of the package's signature does not match 12022 * our expected public key, then this is a different package and 12023 * we should skip. 12024 */ 12025 12026 final byte[] expectedPublicKey; 12027 try { 12028 final Signature verifierSig = pkg.mSignatures[0]; 12029 final PublicKey publicKey = verifierSig.getPublicKey(); 12030 expectedPublicKey = publicKey.getEncoded(); 12031 } catch (CertificateException e) { 12032 return -1; 12033 } 12034 12035 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12036 12037 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12038 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12039 + " does not have the expected public key; ignoring"); 12040 return -1; 12041 } 12042 12043 return pkg.applicationInfo.uid; 12044 } 12045 } 12046 12047 @Override 12048 public void finishPackageInstall(int token, boolean didLaunch) { 12049 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12050 12051 if (DEBUG_INSTALL) { 12052 Slog.v(TAG, "BM finishing package install for " + token); 12053 } 12054 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12055 12056 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12057 mHandler.sendMessage(msg); 12058 } 12059 12060 /** 12061 * Get the verification agent timeout. 12062 * 12063 * @return verification timeout in milliseconds 12064 */ 12065 private long getVerificationTimeout() { 12066 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12067 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12068 DEFAULT_VERIFICATION_TIMEOUT); 12069 } 12070 12071 /** 12072 * Get the default verification agent response code. 12073 * 12074 * @return default verification response code 12075 */ 12076 private int getDefaultVerificationResponse() { 12077 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12078 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12079 DEFAULT_VERIFICATION_RESPONSE); 12080 } 12081 12082 /** 12083 * Check whether or not package verification has been enabled. 12084 * 12085 * @return true if verification should be performed 12086 */ 12087 private boolean isVerificationEnabled(int userId, int installFlags) { 12088 if (!DEFAULT_VERIFY_ENABLE) { 12089 return false; 12090 } 12091 // Ephemeral apps don't get the full verification treatment 12092 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12093 if (DEBUG_EPHEMERAL) { 12094 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12095 } 12096 return false; 12097 } 12098 12099 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12100 12101 // Check if installing from ADB 12102 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12103 // Do not run verification in a test harness environment 12104 if (ActivityManager.isRunningInTestHarness()) { 12105 return false; 12106 } 12107 if (ensureVerifyAppsEnabled) { 12108 return true; 12109 } 12110 // Check if the developer does not want package verification for ADB installs 12111 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12112 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12113 return false; 12114 } 12115 } 12116 12117 if (ensureVerifyAppsEnabled) { 12118 return true; 12119 } 12120 12121 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12122 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12123 } 12124 12125 @Override 12126 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12127 throws RemoteException { 12128 mContext.enforceCallingOrSelfPermission( 12129 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12130 "Only intentfilter verification agents can verify applications"); 12131 12132 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12133 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12134 Binder.getCallingUid(), verificationCode, failedDomains); 12135 msg.arg1 = id; 12136 msg.obj = response; 12137 mHandler.sendMessage(msg); 12138 } 12139 12140 @Override 12141 public int getIntentVerificationStatus(String packageName, int userId) { 12142 synchronized (mPackages) { 12143 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12144 } 12145 } 12146 12147 @Override 12148 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12149 mContext.enforceCallingOrSelfPermission( 12150 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12151 12152 boolean result = false; 12153 synchronized (mPackages) { 12154 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12155 } 12156 if (result) { 12157 scheduleWritePackageRestrictionsLocked(userId); 12158 } 12159 return result; 12160 } 12161 12162 @Override 12163 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12164 String packageName) { 12165 synchronized (mPackages) { 12166 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12167 } 12168 } 12169 12170 @Override 12171 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12172 if (TextUtils.isEmpty(packageName)) { 12173 return ParceledListSlice.emptyList(); 12174 } 12175 synchronized (mPackages) { 12176 PackageParser.Package pkg = mPackages.get(packageName); 12177 if (pkg == null || pkg.activities == null) { 12178 return ParceledListSlice.emptyList(); 12179 } 12180 final int count = pkg.activities.size(); 12181 ArrayList<IntentFilter> result = new ArrayList<>(); 12182 for (int n=0; n<count; n++) { 12183 PackageParser.Activity activity = pkg.activities.get(n); 12184 if (activity.intents != null && activity.intents.size() > 0) { 12185 result.addAll(activity.intents); 12186 } 12187 } 12188 return new ParceledListSlice<>(result); 12189 } 12190 } 12191 12192 @Override 12193 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12194 mContext.enforceCallingOrSelfPermission( 12195 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12196 12197 synchronized (mPackages) { 12198 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12199 if (packageName != null) { 12200 result |= updateIntentVerificationStatus(packageName, 12201 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12202 userId); 12203 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12204 packageName, userId); 12205 } 12206 return result; 12207 } 12208 } 12209 12210 @Override 12211 public String getDefaultBrowserPackageName(int userId) { 12212 synchronized (mPackages) { 12213 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12214 } 12215 } 12216 12217 /** 12218 * Get the "allow unknown sources" setting. 12219 * 12220 * @return the current "allow unknown sources" setting 12221 */ 12222 private int getUnknownSourcesSettings() { 12223 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12224 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12225 -1); 12226 } 12227 12228 @Override 12229 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12230 final int uid = Binder.getCallingUid(); 12231 // writer 12232 synchronized (mPackages) { 12233 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12234 if (targetPackageSetting == null) { 12235 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12236 } 12237 12238 PackageSetting installerPackageSetting; 12239 if (installerPackageName != null) { 12240 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12241 if (installerPackageSetting == null) { 12242 throw new IllegalArgumentException("Unknown installer package: " 12243 + installerPackageName); 12244 } 12245 } else { 12246 installerPackageSetting = null; 12247 } 12248 12249 Signature[] callerSignature; 12250 Object obj = mSettings.getUserIdLPr(uid); 12251 if (obj != null) { 12252 if (obj instanceof SharedUserSetting) { 12253 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12254 } else if (obj instanceof PackageSetting) { 12255 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12256 } else { 12257 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12258 } 12259 } else { 12260 throw new SecurityException("Unknown calling UID: " + uid); 12261 } 12262 12263 // Verify: can't set installerPackageName to a package that is 12264 // not signed with the same cert as the caller. 12265 if (installerPackageSetting != null) { 12266 if (compareSignatures(callerSignature, 12267 installerPackageSetting.signatures.mSignatures) 12268 != PackageManager.SIGNATURE_MATCH) { 12269 throw new SecurityException( 12270 "Caller does not have same cert as new installer package " 12271 + installerPackageName); 12272 } 12273 } 12274 12275 // Verify: if target already has an installer package, it must 12276 // be signed with the same cert as the caller. 12277 if (targetPackageSetting.installerPackageName != null) { 12278 PackageSetting setting = mSettings.mPackages.get( 12279 targetPackageSetting.installerPackageName); 12280 // If the currently set package isn't valid, then it's always 12281 // okay to change it. 12282 if (setting != null) { 12283 if (compareSignatures(callerSignature, 12284 setting.signatures.mSignatures) 12285 != PackageManager.SIGNATURE_MATCH) { 12286 throw new SecurityException( 12287 "Caller does not have same cert as old installer package " 12288 + targetPackageSetting.installerPackageName); 12289 } 12290 } 12291 } 12292 12293 // Okay! 12294 targetPackageSetting.installerPackageName = installerPackageName; 12295 if (installerPackageName != null) { 12296 mSettings.mInstallerPackages.add(installerPackageName); 12297 } 12298 scheduleWriteSettingsLocked(); 12299 } 12300 } 12301 12302 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12303 // Queue up an async operation since the package installation may take a little while. 12304 mHandler.post(new Runnable() { 12305 public void run() { 12306 mHandler.removeCallbacks(this); 12307 // Result object to be returned 12308 PackageInstalledInfo res = new PackageInstalledInfo(); 12309 res.setReturnCode(currentStatus); 12310 res.uid = -1; 12311 res.pkg = null; 12312 res.removedInfo = null; 12313 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12314 args.doPreInstall(res.returnCode); 12315 synchronized (mInstallLock) { 12316 installPackageTracedLI(args, res); 12317 } 12318 args.doPostInstall(res.returnCode, res.uid); 12319 } 12320 12321 // A restore should be performed at this point if (a) the install 12322 // succeeded, (b) the operation is not an update, and (c) the new 12323 // package has not opted out of backup participation. 12324 final boolean update = res.removedInfo != null 12325 && res.removedInfo.removedPackage != null; 12326 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12327 boolean doRestore = !update 12328 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12329 12330 // Set up the post-install work request bookkeeping. This will be used 12331 // and cleaned up by the post-install event handling regardless of whether 12332 // there's a restore pass performed. Token values are >= 1. 12333 int token; 12334 if (mNextInstallToken < 0) mNextInstallToken = 1; 12335 token = mNextInstallToken++; 12336 12337 PostInstallData data = new PostInstallData(args, res); 12338 mRunningInstalls.put(token, data); 12339 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12340 12341 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12342 // Pass responsibility to the Backup Manager. It will perform a 12343 // restore if appropriate, then pass responsibility back to the 12344 // Package Manager to run the post-install observer callbacks 12345 // and broadcasts. 12346 IBackupManager bm = IBackupManager.Stub.asInterface( 12347 ServiceManager.getService(Context.BACKUP_SERVICE)); 12348 if (bm != null) { 12349 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12350 + " to BM for possible restore"); 12351 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12352 try { 12353 // TODO: http://b/22388012 12354 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12355 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12356 } else { 12357 doRestore = false; 12358 } 12359 } catch (RemoteException e) { 12360 // can't happen; the backup manager is local 12361 } catch (Exception e) { 12362 Slog.e(TAG, "Exception trying to enqueue restore", e); 12363 doRestore = false; 12364 } 12365 } else { 12366 Slog.e(TAG, "Backup Manager not found!"); 12367 doRestore = false; 12368 } 12369 } 12370 12371 if (!doRestore) { 12372 // No restore possible, or the Backup Manager was mysteriously not 12373 // available -- just fire the post-install work request directly. 12374 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12375 12376 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12377 12378 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12379 mHandler.sendMessage(msg); 12380 } 12381 } 12382 }); 12383 } 12384 12385 /** 12386 * Callback from PackageSettings whenever an app is first transitioned out of the 12387 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12388 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12389 * here whether the app is the target of an ongoing install, and only send the 12390 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12391 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12392 * handling. 12393 */ 12394 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12395 // Serialize this with the rest of the install-process message chain. In the 12396 // restore-at-install case, this Runnable will necessarily run before the 12397 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12398 // are coherent. In the non-restore case, the app has already completed install 12399 // and been launched through some other means, so it is not in a problematic 12400 // state for observers to see the FIRST_LAUNCH signal. 12401 mHandler.post(new Runnable() { 12402 @Override 12403 public void run() { 12404 for (int i = 0; i < mRunningInstalls.size(); i++) { 12405 final PostInstallData data = mRunningInstalls.valueAt(i); 12406 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12407 continue; 12408 } 12409 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12410 // right package; but is it for the right user? 12411 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12412 if (userId == data.res.newUsers[uIndex]) { 12413 if (DEBUG_BACKUP) { 12414 Slog.i(TAG, "Package " + pkgName 12415 + " being restored so deferring FIRST_LAUNCH"); 12416 } 12417 return; 12418 } 12419 } 12420 } 12421 } 12422 // didn't find it, so not being restored 12423 if (DEBUG_BACKUP) { 12424 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12425 } 12426 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12427 } 12428 }); 12429 } 12430 12431 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12432 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12433 installerPkg, null, userIds); 12434 } 12435 12436 private abstract class HandlerParams { 12437 private static final int MAX_RETRIES = 4; 12438 12439 /** 12440 * Number of times startCopy() has been attempted and had a non-fatal 12441 * error. 12442 */ 12443 private int mRetries = 0; 12444 12445 /** User handle for the user requesting the information or installation. */ 12446 private final UserHandle mUser; 12447 String traceMethod; 12448 int traceCookie; 12449 12450 HandlerParams(UserHandle user) { 12451 mUser = user; 12452 } 12453 12454 UserHandle getUser() { 12455 return mUser; 12456 } 12457 12458 HandlerParams setTraceMethod(String traceMethod) { 12459 this.traceMethod = traceMethod; 12460 return this; 12461 } 12462 12463 HandlerParams setTraceCookie(int traceCookie) { 12464 this.traceCookie = traceCookie; 12465 return this; 12466 } 12467 12468 final boolean startCopy() { 12469 boolean res; 12470 try { 12471 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12472 12473 if (++mRetries > MAX_RETRIES) { 12474 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12475 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12476 handleServiceError(); 12477 return false; 12478 } else { 12479 handleStartCopy(); 12480 res = true; 12481 } 12482 } catch (RemoteException e) { 12483 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12484 mHandler.sendEmptyMessage(MCS_RECONNECT); 12485 res = false; 12486 } 12487 handleReturnCode(); 12488 return res; 12489 } 12490 12491 final void serviceError() { 12492 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12493 handleServiceError(); 12494 handleReturnCode(); 12495 } 12496 12497 abstract void handleStartCopy() throws RemoteException; 12498 abstract void handleServiceError(); 12499 abstract void handleReturnCode(); 12500 } 12501 12502 class MeasureParams extends HandlerParams { 12503 private final PackageStats mStats; 12504 private boolean mSuccess; 12505 12506 private final IPackageStatsObserver mObserver; 12507 12508 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12509 super(new UserHandle(stats.userHandle)); 12510 mObserver = observer; 12511 mStats = stats; 12512 } 12513 12514 @Override 12515 public String toString() { 12516 return "MeasureParams{" 12517 + Integer.toHexString(System.identityHashCode(this)) 12518 + " " + mStats.packageName + "}"; 12519 } 12520 12521 @Override 12522 void handleStartCopy() throws RemoteException { 12523 synchronized (mInstallLock) { 12524 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12525 } 12526 12527 if (mSuccess) { 12528 boolean mounted = false; 12529 try { 12530 final String status = Environment.getExternalStorageState(); 12531 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12532 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12533 } catch (Exception e) { 12534 } 12535 12536 if (mounted) { 12537 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12538 12539 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12540 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12541 12542 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12543 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12544 12545 // Always subtract cache size, since it's a subdirectory 12546 mStats.externalDataSize -= mStats.externalCacheSize; 12547 12548 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12549 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12550 12551 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12552 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12553 } 12554 } 12555 } 12556 12557 @Override 12558 void handleReturnCode() { 12559 if (mObserver != null) { 12560 try { 12561 mObserver.onGetStatsCompleted(mStats, mSuccess); 12562 } catch (RemoteException e) { 12563 Slog.i(TAG, "Observer no longer exists."); 12564 } 12565 } 12566 } 12567 12568 @Override 12569 void handleServiceError() { 12570 Slog.e(TAG, "Could not measure application " + mStats.packageName 12571 + " external storage"); 12572 } 12573 } 12574 12575 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12576 throws RemoteException { 12577 long result = 0; 12578 for (File path : paths) { 12579 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12580 } 12581 return result; 12582 } 12583 12584 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12585 for (File path : paths) { 12586 try { 12587 mcs.clearDirectory(path.getAbsolutePath()); 12588 } catch (RemoteException e) { 12589 } 12590 } 12591 } 12592 12593 static class OriginInfo { 12594 /** 12595 * Location where install is coming from, before it has been 12596 * copied/renamed into place. This could be a single monolithic APK 12597 * file, or a cluster directory. This location may be untrusted. 12598 */ 12599 final File file; 12600 final String cid; 12601 12602 /** 12603 * Flag indicating that {@link #file} or {@link #cid} has already been 12604 * staged, meaning downstream users don't need to defensively copy the 12605 * contents. 12606 */ 12607 final boolean staged; 12608 12609 /** 12610 * Flag indicating that {@link #file} or {@link #cid} is an already 12611 * installed app that is being moved. 12612 */ 12613 final boolean existing; 12614 12615 final String resolvedPath; 12616 final File resolvedFile; 12617 12618 static OriginInfo fromNothing() { 12619 return new OriginInfo(null, null, false, false); 12620 } 12621 12622 static OriginInfo fromUntrustedFile(File file) { 12623 return new OriginInfo(file, null, false, false); 12624 } 12625 12626 static OriginInfo fromExistingFile(File file) { 12627 return new OriginInfo(file, null, false, true); 12628 } 12629 12630 static OriginInfo fromStagedFile(File file) { 12631 return new OriginInfo(file, null, true, false); 12632 } 12633 12634 static OriginInfo fromStagedContainer(String cid) { 12635 return new OriginInfo(null, cid, true, false); 12636 } 12637 12638 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12639 this.file = file; 12640 this.cid = cid; 12641 this.staged = staged; 12642 this.existing = existing; 12643 12644 if (cid != null) { 12645 resolvedPath = PackageHelper.getSdDir(cid); 12646 resolvedFile = new File(resolvedPath); 12647 } else if (file != null) { 12648 resolvedPath = file.getAbsolutePath(); 12649 resolvedFile = file; 12650 } else { 12651 resolvedPath = null; 12652 resolvedFile = null; 12653 } 12654 } 12655 } 12656 12657 static class MoveInfo { 12658 final int moveId; 12659 final String fromUuid; 12660 final String toUuid; 12661 final String packageName; 12662 final String dataAppName; 12663 final int appId; 12664 final String seinfo; 12665 final int targetSdkVersion; 12666 12667 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12668 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12669 this.moveId = moveId; 12670 this.fromUuid = fromUuid; 12671 this.toUuid = toUuid; 12672 this.packageName = packageName; 12673 this.dataAppName = dataAppName; 12674 this.appId = appId; 12675 this.seinfo = seinfo; 12676 this.targetSdkVersion = targetSdkVersion; 12677 } 12678 } 12679 12680 static class VerificationInfo { 12681 /** A constant used to indicate that a uid value is not present. */ 12682 public static final int NO_UID = -1; 12683 12684 /** URI referencing where the package was downloaded from. */ 12685 final Uri originatingUri; 12686 12687 /** HTTP referrer URI associated with the originatingURI. */ 12688 final Uri referrer; 12689 12690 /** UID of the application that the install request originated from. */ 12691 final int originatingUid; 12692 12693 /** UID of application requesting the install */ 12694 final int installerUid; 12695 12696 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12697 this.originatingUri = originatingUri; 12698 this.referrer = referrer; 12699 this.originatingUid = originatingUid; 12700 this.installerUid = installerUid; 12701 } 12702 } 12703 12704 class InstallParams extends HandlerParams { 12705 final OriginInfo origin; 12706 final MoveInfo move; 12707 final IPackageInstallObserver2 observer; 12708 int installFlags; 12709 final String installerPackageName; 12710 final String volumeUuid; 12711 private InstallArgs mArgs; 12712 private int mRet; 12713 final String packageAbiOverride; 12714 final String[] grantedRuntimePermissions; 12715 final VerificationInfo verificationInfo; 12716 final Certificate[][] certificates; 12717 12718 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12719 int installFlags, String installerPackageName, String volumeUuid, 12720 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12721 String[] grantedPermissions, Certificate[][] certificates) { 12722 super(user); 12723 this.origin = origin; 12724 this.move = move; 12725 this.observer = observer; 12726 this.installFlags = installFlags; 12727 this.installerPackageName = installerPackageName; 12728 this.volumeUuid = volumeUuid; 12729 this.verificationInfo = verificationInfo; 12730 this.packageAbiOverride = packageAbiOverride; 12731 this.grantedRuntimePermissions = grantedPermissions; 12732 this.certificates = certificates; 12733 } 12734 12735 @Override 12736 public String toString() { 12737 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12738 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12739 } 12740 12741 private int installLocationPolicy(PackageInfoLite pkgLite) { 12742 String packageName = pkgLite.packageName; 12743 int installLocation = pkgLite.installLocation; 12744 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12745 // reader 12746 synchronized (mPackages) { 12747 // Currently installed package which the new package is attempting to replace or 12748 // null if no such package is installed. 12749 PackageParser.Package installedPkg = mPackages.get(packageName); 12750 // Package which currently owns the data which the new package will own if installed. 12751 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12752 // will be null whereas dataOwnerPkg will contain information about the package 12753 // which was uninstalled while keeping its data. 12754 PackageParser.Package dataOwnerPkg = installedPkg; 12755 if (dataOwnerPkg == null) { 12756 PackageSetting ps = mSettings.mPackages.get(packageName); 12757 if (ps != null) { 12758 dataOwnerPkg = ps.pkg; 12759 } 12760 } 12761 12762 if (dataOwnerPkg != null) { 12763 // If installed, the package will get access to data left on the device by its 12764 // predecessor. As a security measure, this is permited only if this is not a 12765 // version downgrade or if the predecessor package is marked as debuggable and 12766 // a downgrade is explicitly requested. 12767 // 12768 // On debuggable platform builds, downgrades are permitted even for 12769 // non-debuggable packages to make testing easier. Debuggable platform builds do 12770 // not offer security guarantees and thus it's OK to disable some security 12771 // mechanisms to make debugging/testing easier on those builds. However, even on 12772 // debuggable builds downgrades of packages are permitted only if requested via 12773 // installFlags. This is because we aim to keep the behavior of debuggable 12774 // platform builds as close as possible to the behavior of non-debuggable 12775 // platform builds. 12776 final boolean downgradeRequested = 12777 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12778 final boolean packageDebuggable = 12779 (dataOwnerPkg.applicationInfo.flags 12780 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12781 final boolean downgradePermitted = 12782 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12783 if (!downgradePermitted) { 12784 try { 12785 checkDowngrade(dataOwnerPkg, pkgLite); 12786 } catch (PackageManagerException e) { 12787 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12788 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12789 } 12790 } 12791 } 12792 12793 if (installedPkg != null) { 12794 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12795 // Check for updated system application. 12796 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12797 if (onSd) { 12798 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12799 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12800 } 12801 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12802 } else { 12803 if (onSd) { 12804 // Install flag overrides everything. 12805 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12806 } 12807 // If current upgrade specifies particular preference 12808 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12809 // Application explicitly specified internal. 12810 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12811 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12812 // App explictly prefers external. Let policy decide 12813 } else { 12814 // Prefer previous location 12815 if (isExternal(installedPkg)) { 12816 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12817 } 12818 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12819 } 12820 } 12821 } else { 12822 // Invalid install. Return error code 12823 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12824 } 12825 } 12826 } 12827 // All the special cases have been taken care of. 12828 // Return result based on recommended install location. 12829 if (onSd) { 12830 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12831 } 12832 return pkgLite.recommendedInstallLocation; 12833 } 12834 12835 /* 12836 * Invoke remote method to get package information and install 12837 * location values. Override install location based on default 12838 * policy if needed and then create install arguments based 12839 * on the install location. 12840 */ 12841 public void handleStartCopy() throws RemoteException { 12842 int ret = PackageManager.INSTALL_SUCCEEDED; 12843 12844 // If we're already staged, we've firmly committed to an install location 12845 if (origin.staged) { 12846 if (origin.file != null) { 12847 installFlags |= PackageManager.INSTALL_INTERNAL; 12848 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12849 } else if (origin.cid != null) { 12850 installFlags |= PackageManager.INSTALL_EXTERNAL; 12851 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12852 } else { 12853 throw new IllegalStateException("Invalid stage location"); 12854 } 12855 } 12856 12857 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12858 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12859 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12860 PackageInfoLite pkgLite = null; 12861 12862 if (onInt && onSd) { 12863 // Check if both bits are set. 12864 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12865 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12866 } else if (onSd && ephemeral) { 12867 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12868 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12869 } else { 12870 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12871 packageAbiOverride); 12872 12873 if (DEBUG_EPHEMERAL && ephemeral) { 12874 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12875 } 12876 12877 /* 12878 * If we have too little free space, try to free cache 12879 * before giving up. 12880 */ 12881 if (!origin.staged && pkgLite.recommendedInstallLocation 12882 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12883 // TODO: focus freeing disk space on the target device 12884 final StorageManager storage = StorageManager.from(mContext); 12885 final long lowThreshold = storage.getStorageLowBytes( 12886 Environment.getDataDirectory()); 12887 12888 final long sizeBytes = mContainerService.calculateInstalledSize( 12889 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12890 12891 try { 12892 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12893 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12894 installFlags, packageAbiOverride); 12895 } catch (InstallerException e) { 12896 Slog.w(TAG, "Failed to free cache", e); 12897 } 12898 12899 /* 12900 * The cache free must have deleted the file we 12901 * downloaded to install. 12902 * 12903 * TODO: fix the "freeCache" call to not delete 12904 * the file we care about. 12905 */ 12906 if (pkgLite.recommendedInstallLocation 12907 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12908 pkgLite.recommendedInstallLocation 12909 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12910 } 12911 } 12912 } 12913 12914 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12915 int loc = pkgLite.recommendedInstallLocation; 12916 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12917 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12918 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12919 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12920 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12921 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12922 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12923 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12924 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12925 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12926 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12927 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12928 } else { 12929 // Override with defaults if needed. 12930 loc = installLocationPolicy(pkgLite); 12931 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12932 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12933 } else if (!onSd && !onInt) { 12934 // Override install location with flags 12935 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12936 // Set the flag to install on external media. 12937 installFlags |= PackageManager.INSTALL_EXTERNAL; 12938 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12939 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12940 if (DEBUG_EPHEMERAL) { 12941 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12942 } 12943 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12944 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12945 |PackageManager.INSTALL_INTERNAL); 12946 } else { 12947 // Make sure the flag for installing on external 12948 // media is unset 12949 installFlags |= PackageManager.INSTALL_INTERNAL; 12950 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12951 } 12952 } 12953 } 12954 } 12955 12956 final InstallArgs args = createInstallArgs(this); 12957 mArgs = args; 12958 12959 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12960 // TODO: http://b/22976637 12961 // Apps installed for "all" users use the device owner to verify the app 12962 UserHandle verifierUser = getUser(); 12963 if (verifierUser == UserHandle.ALL) { 12964 verifierUser = UserHandle.SYSTEM; 12965 } 12966 12967 /* 12968 * Determine if we have any installed package verifiers. If we 12969 * do, then we'll defer to them to verify the packages. 12970 */ 12971 final int requiredUid = mRequiredVerifierPackage == null ? -1 12972 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12973 verifierUser.getIdentifier()); 12974 if (!origin.existing && requiredUid != -1 12975 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12976 final Intent verification = new Intent( 12977 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12978 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12979 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12980 PACKAGE_MIME_TYPE); 12981 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12982 12983 // Query all live verifiers based on current user state 12984 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12985 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12986 12987 if (DEBUG_VERIFY) { 12988 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12989 + verification.toString() + " with " + pkgLite.verifiers.length 12990 + " optional verifiers"); 12991 } 12992 12993 final int verificationId = mPendingVerificationToken++; 12994 12995 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12996 12997 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12998 installerPackageName); 12999 13000 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13001 installFlags); 13002 13003 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13004 pkgLite.packageName); 13005 13006 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13007 pkgLite.versionCode); 13008 13009 if (verificationInfo != null) { 13010 if (verificationInfo.originatingUri != null) { 13011 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13012 verificationInfo.originatingUri); 13013 } 13014 if (verificationInfo.referrer != null) { 13015 verification.putExtra(Intent.EXTRA_REFERRER, 13016 verificationInfo.referrer); 13017 } 13018 if (verificationInfo.originatingUid >= 0) { 13019 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13020 verificationInfo.originatingUid); 13021 } 13022 if (verificationInfo.installerUid >= 0) { 13023 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13024 verificationInfo.installerUid); 13025 } 13026 } 13027 13028 final PackageVerificationState verificationState = new PackageVerificationState( 13029 requiredUid, args); 13030 13031 mPendingVerification.append(verificationId, verificationState); 13032 13033 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13034 receivers, verificationState); 13035 13036 /* 13037 * If any sufficient verifiers were listed in the package 13038 * manifest, attempt to ask them. 13039 */ 13040 if (sufficientVerifiers != null) { 13041 final int N = sufficientVerifiers.size(); 13042 if (N == 0) { 13043 Slog.i(TAG, "Additional verifiers required, but none installed."); 13044 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13045 } else { 13046 for (int i = 0; i < N; i++) { 13047 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13048 13049 final Intent sufficientIntent = new Intent(verification); 13050 sufficientIntent.setComponent(verifierComponent); 13051 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13052 } 13053 } 13054 } 13055 13056 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13057 mRequiredVerifierPackage, receivers); 13058 if (ret == PackageManager.INSTALL_SUCCEEDED 13059 && mRequiredVerifierPackage != null) { 13060 Trace.asyncTraceBegin( 13061 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13062 /* 13063 * Send the intent to the required verification agent, 13064 * but only start the verification timeout after the 13065 * target BroadcastReceivers have run. 13066 */ 13067 verification.setComponent(requiredVerifierComponent); 13068 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13069 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13070 new BroadcastReceiver() { 13071 @Override 13072 public void onReceive(Context context, Intent intent) { 13073 final Message msg = mHandler 13074 .obtainMessage(CHECK_PENDING_VERIFICATION); 13075 msg.arg1 = verificationId; 13076 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13077 } 13078 }, null, 0, null, null); 13079 13080 /* 13081 * We don't want the copy to proceed until verification 13082 * succeeds, so null out this field. 13083 */ 13084 mArgs = null; 13085 } 13086 } else { 13087 /* 13088 * No package verification is enabled, so immediately start 13089 * the remote call to initiate copy using temporary file. 13090 */ 13091 ret = args.copyApk(mContainerService, true); 13092 } 13093 } 13094 13095 mRet = ret; 13096 } 13097 13098 @Override 13099 void handleReturnCode() { 13100 // If mArgs is null, then MCS couldn't be reached. When it 13101 // reconnects, it will try again to install. At that point, this 13102 // will succeed. 13103 if (mArgs != null) { 13104 processPendingInstall(mArgs, mRet); 13105 } 13106 } 13107 13108 @Override 13109 void handleServiceError() { 13110 mArgs = createInstallArgs(this); 13111 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13112 } 13113 13114 public boolean isForwardLocked() { 13115 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13116 } 13117 } 13118 13119 /** 13120 * Used during creation of InstallArgs 13121 * 13122 * @param installFlags package installation flags 13123 * @return true if should be installed on external storage 13124 */ 13125 private static boolean installOnExternalAsec(int installFlags) { 13126 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13127 return false; 13128 } 13129 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13130 return true; 13131 } 13132 return false; 13133 } 13134 13135 /** 13136 * Used during creation of InstallArgs 13137 * 13138 * @param installFlags package installation flags 13139 * @return true if should be installed as forward locked 13140 */ 13141 private static boolean installForwardLocked(int installFlags) { 13142 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13143 } 13144 13145 private InstallArgs createInstallArgs(InstallParams params) { 13146 if (params.move != null) { 13147 return new MoveInstallArgs(params); 13148 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13149 return new AsecInstallArgs(params); 13150 } else { 13151 return new FileInstallArgs(params); 13152 } 13153 } 13154 13155 /** 13156 * Create args that describe an existing installed package. Typically used 13157 * when cleaning up old installs, or used as a move source. 13158 */ 13159 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13160 String resourcePath, String[] instructionSets) { 13161 final boolean isInAsec; 13162 if (installOnExternalAsec(installFlags)) { 13163 /* Apps on SD card are always in ASEC containers. */ 13164 isInAsec = true; 13165 } else if (installForwardLocked(installFlags) 13166 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13167 /* 13168 * Forward-locked apps are only in ASEC containers if they're the 13169 * new style 13170 */ 13171 isInAsec = true; 13172 } else { 13173 isInAsec = false; 13174 } 13175 13176 if (isInAsec) { 13177 return new AsecInstallArgs(codePath, instructionSets, 13178 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13179 } else { 13180 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13181 } 13182 } 13183 13184 static abstract class InstallArgs { 13185 /** @see InstallParams#origin */ 13186 final OriginInfo origin; 13187 /** @see InstallParams#move */ 13188 final MoveInfo move; 13189 13190 final IPackageInstallObserver2 observer; 13191 // Always refers to PackageManager flags only 13192 final int installFlags; 13193 final String installerPackageName; 13194 final String volumeUuid; 13195 final UserHandle user; 13196 final String abiOverride; 13197 final String[] installGrantPermissions; 13198 /** If non-null, drop an async trace when the install completes */ 13199 final String traceMethod; 13200 final int traceCookie; 13201 final Certificate[][] certificates; 13202 13203 // The list of instruction sets supported by this app. This is currently 13204 // only used during the rmdex() phase to clean up resources. We can get rid of this 13205 // if we move dex files under the common app path. 13206 /* nullable */ String[] instructionSets; 13207 13208 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13209 int installFlags, String installerPackageName, String volumeUuid, 13210 UserHandle user, String[] instructionSets, 13211 String abiOverride, String[] installGrantPermissions, 13212 String traceMethod, int traceCookie, Certificate[][] certificates) { 13213 this.origin = origin; 13214 this.move = move; 13215 this.installFlags = installFlags; 13216 this.observer = observer; 13217 this.installerPackageName = installerPackageName; 13218 this.volumeUuid = volumeUuid; 13219 this.user = user; 13220 this.instructionSets = instructionSets; 13221 this.abiOverride = abiOverride; 13222 this.installGrantPermissions = installGrantPermissions; 13223 this.traceMethod = traceMethod; 13224 this.traceCookie = traceCookie; 13225 this.certificates = certificates; 13226 } 13227 13228 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13229 abstract int doPreInstall(int status); 13230 13231 /** 13232 * Rename package into final resting place. All paths on the given 13233 * scanned package should be updated to reflect the rename. 13234 */ 13235 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13236 abstract int doPostInstall(int status, int uid); 13237 13238 /** @see PackageSettingBase#codePathString */ 13239 abstract String getCodePath(); 13240 /** @see PackageSettingBase#resourcePathString */ 13241 abstract String getResourcePath(); 13242 13243 // Need installer lock especially for dex file removal. 13244 abstract void cleanUpResourcesLI(); 13245 abstract boolean doPostDeleteLI(boolean delete); 13246 13247 /** 13248 * Called before the source arguments are copied. This is used mostly 13249 * for MoveParams when it needs to read the source file to put it in the 13250 * destination. 13251 */ 13252 int doPreCopy() { 13253 return PackageManager.INSTALL_SUCCEEDED; 13254 } 13255 13256 /** 13257 * Called after the source arguments are copied. This is used mostly for 13258 * MoveParams when it needs to read the source file to put it in the 13259 * destination. 13260 */ 13261 int doPostCopy(int uid) { 13262 return PackageManager.INSTALL_SUCCEEDED; 13263 } 13264 13265 protected boolean isFwdLocked() { 13266 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13267 } 13268 13269 protected boolean isExternalAsec() { 13270 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13271 } 13272 13273 protected boolean isEphemeral() { 13274 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13275 } 13276 13277 UserHandle getUser() { 13278 return user; 13279 } 13280 } 13281 13282 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13283 if (!allCodePaths.isEmpty()) { 13284 if (instructionSets == null) { 13285 throw new IllegalStateException("instructionSet == null"); 13286 } 13287 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13288 for (String codePath : allCodePaths) { 13289 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13290 try { 13291 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13292 } catch (InstallerException ignored) { 13293 } 13294 } 13295 } 13296 } 13297 } 13298 13299 /** 13300 * Logic to handle installation of non-ASEC applications, including copying 13301 * and renaming logic. 13302 */ 13303 class FileInstallArgs extends InstallArgs { 13304 private File codeFile; 13305 private File resourceFile; 13306 13307 // Example topology: 13308 // /data/app/com.example/base.apk 13309 // /data/app/com.example/split_foo.apk 13310 // /data/app/com.example/lib/arm/libfoo.so 13311 // /data/app/com.example/lib/arm64/libfoo.so 13312 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13313 13314 /** New install */ 13315 FileInstallArgs(InstallParams params) { 13316 super(params.origin, params.move, params.observer, params.installFlags, 13317 params.installerPackageName, params.volumeUuid, 13318 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13319 params.grantedRuntimePermissions, 13320 params.traceMethod, params.traceCookie, params.certificates); 13321 if (isFwdLocked()) { 13322 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13323 } 13324 } 13325 13326 /** Existing install */ 13327 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13328 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13329 null, null, null, 0, null /*certificates*/); 13330 this.codeFile = (codePath != null) ? new File(codePath) : null; 13331 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13332 } 13333 13334 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13335 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13336 try { 13337 return doCopyApk(imcs, temp); 13338 } finally { 13339 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13340 } 13341 } 13342 13343 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13344 if (origin.staged) { 13345 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13346 codeFile = origin.file; 13347 resourceFile = origin.file; 13348 return PackageManager.INSTALL_SUCCEEDED; 13349 } 13350 13351 try { 13352 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13353 final File tempDir = 13354 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13355 codeFile = tempDir; 13356 resourceFile = tempDir; 13357 } catch (IOException e) { 13358 Slog.w(TAG, "Failed to create copy file: " + e); 13359 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13360 } 13361 13362 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13363 @Override 13364 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13365 if (!FileUtils.isValidExtFilename(name)) { 13366 throw new IllegalArgumentException("Invalid filename: " + name); 13367 } 13368 try { 13369 final File file = new File(codeFile, name); 13370 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13371 O_RDWR | O_CREAT, 0644); 13372 Os.chmod(file.getAbsolutePath(), 0644); 13373 return new ParcelFileDescriptor(fd); 13374 } catch (ErrnoException e) { 13375 throw new RemoteException("Failed to open: " + e.getMessage()); 13376 } 13377 } 13378 }; 13379 13380 int ret = PackageManager.INSTALL_SUCCEEDED; 13381 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13382 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13383 Slog.e(TAG, "Failed to copy package"); 13384 return ret; 13385 } 13386 13387 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13388 NativeLibraryHelper.Handle handle = null; 13389 try { 13390 handle = NativeLibraryHelper.Handle.create(codeFile); 13391 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13392 abiOverride); 13393 } catch (IOException e) { 13394 Slog.e(TAG, "Copying native libraries failed", e); 13395 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13396 } finally { 13397 IoUtils.closeQuietly(handle); 13398 } 13399 13400 return ret; 13401 } 13402 13403 int doPreInstall(int status) { 13404 if (status != PackageManager.INSTALL_SUCCEEDED) { 13405 cleanUp(); 13406 } 13407 return status; 13408 } 13409 13410 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13411 if (status != PackageManager.INSTALL_SUCCEEDED) { 13412 cleanUp(); 13413 return false; 13414 } 13415 13416 final File targetDir = codeFile.getParentFile(); 13417 final File beforeCodeFile = codeFile; 13418 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13419 13420 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13421 try { 13422 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13423 } catch (ErrnoException e) { 13424 Slog.w(TAG, "Failed to rename", e); 13425 return false; 13426 } 13427 13428 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13429 Slog.w(TAG, "Failed to restorecon"); 13430 return false; 13431 } 13432 13433 // Reflect the rename internally 13434 codeFile = afterCodeFile; 13435 resourceFile = afterCodeFile; 13436 13437 // Reflect the rename in scanned details 13438 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13439 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13440 afterCodeFile, pkg.baseCodePath)); 13441 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13442 afterCodeFile, pkg.splitCodePaths)); 13443 13444 // Reflect the rename in app info 13445 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13446 pkg.setApplicationInfoCodePath(pkg.codePath); 13447 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13448 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13449 pkg.setApplicationInfoResourcePath(pkg.codePath); 13450 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13451 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13452 13453 return true; 13454 } 13455 13456 int doPostInstall(int status, int uid) { 13457 if (status != PackageManager.INSTALL_SUCCEEDED) { 13458 cleanUp(); 13459 } 13460 return status; 13461 } 13462 13463 @Override 13464 String getCodePath() { 13465 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13466 } 13467 13468 @Override 13469 String getResourcePath() { 13470 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13471 } 13472 13473 private boolean cleanUp() { 13474 if (codeFile == null || !codeFile.exists()) { 13475 return false; 13476 } 13477 13478 removeCodePathLI(codeFile); 13479 13480 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13481 resourceFile.delete(); 13482 } 13483 13484 return true; 13485 } 13486 13487 void cleanUpResourcesLI() { 13488 // Try enumerating all code paths before deleting 13489 List<String> allCodePaths = Collections.EMPTY_LIST; 13490 if (codeFile != null && codeFile.exists()) { 13491 try { 13492 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13493 allCodePaths = pkg.getAllCodePaths(); 13494 } catch (PackageParserException e) { 13495 // Ignored; we tried our best 13496 } 13497 } 13498 13499 cleanUp(); 13500 removeDexFiles(allCodePaths, instructionSets); 13501 } 13502 13503 boolean doPostDeleteLI(boolean delete) { 13504 // XXX err, shouldn't we respect the delete flag? 13505 cleanUpResourcesLI(); 13506 return true; 13507 } 13508 } 13509 13510 private boolean isAsecExternal(String cid) { 13511 final String asecPath = PackageHelper.getSdFilesystem(cid); 13512 return !asecPath.startsWith(mAsecInternalPath); 13513 } 13514 13515 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13516 PackageManagerException { 13517 if (copyRet < 0) { 13518 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13519 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13520 throw new PackageManagerException(copyRet, message); 13521 } 13522 } 13523 } 13524 13525 /** 13526 * Extract the MountService "container ID" from the full code path of an 13527 * .apk. 13528 */ 13529 static String cidFromCodePath(String fullCodePath) { 13530 int eidx = fullCodePath.lastIndexOf("/"); 13531 String subStr1 = fullCodePath.substring(0, eidx); 13532 int sidx = subStr1.lastIndexOf("/"); 13533 return subStr1.substring(sidx+1, eidx); 13534 } 13535 13536 /** 13537 * Logic to handle installation of ASEC applications, including copying and 13538 * renaming logic. 13539 */ 13540 class AsecInstallArgs extends InstallArgs { 13541 static final String RES_FILE_NAME = "pkg.apk"; 13542 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13543 13544 String cid; 13545 String packagePath; 13546 String resourcePath; 13547 13548 /** New install */ 13549 AsecInstallArgs(InstallParams params) { 13550 super(params.origin, params.move, params.observer, params.installFlags, 13551 params.installerPackageName, params.volumeUuid, 13552 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13553 params.grantedRuntimePermissions, 13554 params.traceMethod, params.traceCookie, params.certificates); 13555 } 13556 13557 /** Existing install */ 13558 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13559 boolean isExternal, boolean isForwardLocked) { 13560 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13561 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13562 instructionSets, null, null, null, 0, null /*certificates*/); 13563 // Hackily pretend we're still looking at a full code path 13564 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13565 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13566 } 13567 13568 // Extract cid from fullCodePath 13569 int eidx = fullCodePath.lastIndexOf("/"); 13570 String subStr1 = fullCodePath.substring(0, eidx); 13571 int sidx = subStr1.lastIndexOf("/"); 13572 cid = subStr1.substring(sidx+1, eidx); 13573 setMountPath(subStr1); 13574 } 13575 13576 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13577 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13578 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13579 instructionSets, null, null, null, 0, null /*certificates*/); 13580 this.cid = cid; 13581 setMountPath(PackageHelper.getSdDir(cid)); 13582 } 13583 13584 void createCopyFile() { 13585 cid = mInstallerService.allocateExternalStageCidLegacy(); 13586 } 13587 13588 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13589 if (origin.staged && origin.cid != null) { 13590 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13591 cid = origin.cid; 13592 setMountPath(PackageHelper.getSdDir(cid)); 13593 return PackageManager.INSTALL_SUCCEEDED; 13594 } 13595 13596 if (temp) { 13597 createCopyFile(); 13598 } else { 13599 /* 13600 * Pre-emptively destroy the container since it's destroyed if 13601 * copying fails due to it existing anyway. 13602 */ 13603 PackageHelper.destroySdDir(cid); 13604 } 13605 13606 final String newMountPath = imcs.copyPackageToContainer( 13607 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13608 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13609 13610 if (newMountPath != null) { 13611 setMountPath(newMountPath); 13612 return PackageManager.INSTALL_SUCCEEDED; 13613 } else { 13614 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13615 } 13616 } 13617 13618 @Override 13619 String getCodePath() { 13620 return packagePath; 13621 } 13622 13623 @Override 13624 String getResourcePath() { 13625 return resourcePath; 13626 } 13627 13628 int doPreInstall(int status) { 13629 if (status != PackageManager.INSTALL_SUCCEEDED) { 13630 // Destroy container 13631 PackageHelper.destroySdDir(cid); 13632 } else { 13633 boolean mounted = PackageHelper.isContainerMounted(cid); 13634 if (!mounted) { 13635 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13636 Process.SYSTEM_UID); 13637 if (newMountPath != null) { 13638 setMountPath(newMountPath); 13639 } else { 13640 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13641 } 13642 } 13643 } 13644 return status; 13645 } 13646 13647 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13648 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13649 String newMountPath = null; 13650 if (PackageHelper.isContainerMounted(cid)) { 13651 // Unmount the container 13652 if (!PackageHelper.unMountSdDir(cid)) { 13653 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13654 return false; 13655 } 13656 } 13657 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13658 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13659 " which might be stale. Will try to clean up."); 13660 // Clean up the stale container and proceed to recreate. 13661 if (!PackageHelper.destroySdDir(newCacheId)) { 13662 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13663 return false; 13664 } 13665 // Successfully cleaned up stale container. Try to rename again. 13666 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13667 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13668 + " inspite of cleaning it up."); 13669 return false; 13670 } 13671 } 13672 if (!PackageHelper.isContainerMounted(newCacheId)) { 13673 Slog.w(TAG, "Mounting container " + newCacheId); 13674 newMountPath = PackageHelper.mountSdDir(newCacheId, 13675 getEncryptKey(), Process.SYSTEM_UID); 13676 } else { 13677 newMountPath = PackageHelper.getSdDir(newCacheId); 13678 } 13679 if (newMountPath == null) { 13680 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13681 return false; 13682 } 13683 Log.i(TAG, "Succesfully renamed " + cid + 13684 " to " + newCacheId + 13685 " at new path: " + newMountPath); 13686 cid = newCacheId; 13687 13688 final File beforeCodeFile = new File(packagePath); 13689 setMountPath(newMountPath); 13690 final File afterCodeFile = new File(packagePath); 13691 13692 // Reflect the rename in scanned details 13693 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13694 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13695 afterCodeFile, pkg.baseCodePath)); 13696 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13697 afterCodeFile, pkg.splitCodePaths)); 13698 13699 // Reflect the rename in app info 13700 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13701 pkg.setApplicationInfoCodePath(pkg.codePath); 13702 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13703 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13704 pkg.setApplicationInfoResourcePath(pkg.codePath); 13705 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13706 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13707 13708 return true; 13709 } 13710 13711 private void setMountPath(String mountPath) { 13712 final File mountFile = new File(mountPath); 13713 13714 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13715 if (monolithicFile.exists()) { 13716 packagePath = monolithicFile.getAbsolutePath(); 13717 if (isFwdLocked()) { 13718 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13719 } else { 13720 resourcePath = packagePath; 13721 } 13722 } else { 13723 packagePath = mountFile.getAbsolutePath(); 13724 resourcePath = packagePath; 13725 } 13726 } 13727 13728 int doPostInstall(int status, int uid) { 13729 if (status != PackageManager.INSTALL_SUCCEEDED) { 13730 cleanUp(); 13731 } else { 13732 final int groupOwner; 13733 final String protectedFile; 13734 if (isFwdLocked()) { 13735 groupOwner = UserHandle.getSharedAppGid(uid); 13736 protectedFile = RES_FILE_NAME; 13737 } else { 13738 groupOwner = -1; 13739 protectedFile = null; 13740 } 13741 13742 if (uid < Process.FIRST_APPLICATION_UID 13743 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13744 Slog.e(TAG, "Failed to finalize " + cid); 13745 PackageHelper.destroySdDir(cid); 13746 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13747 } 13748 13749 boolean mounted = PackageHelper.isContainerMounted(cid); 13750 if (!mounted) { 13751 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13752 } 13753 } 13754 return status; 13755 } 13756 13757 private void cleanUp() { 13758 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13759 13760 // Destroy secure container 13761 PackageHelper.destroySdDir(cid); 13762 } 13763 13764 private List<String> getAllCodePaths() { 13765 final File codeFile = new File(getCodePath()); 13766 if (codeFile != null && codeFile.exists()) { 13767 try { 13768 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13769 return pkg.getAllCodePaths(); 13770 } catch (PackageParserException e) { 13771 // Ignored; we tried our best 13772 } 13773 } 13774 return Collections.EMPTY_LIST; 13775 } 13776 13777 void cleanUpResourcesLI() { 13778 // Enumerate all code paths before deleting 13779 cleanUpResourcesLI(getAllCodePaths()); 13780 } 13781 13782 private void cleanUpResourcesLI(List<String> allCodePaths) { 13783 cleanUp(); 13784 removeDexFiles(allCodePaths, instructionSets); 13785 } 13786 13787 String getPackageName() { 13788 return getAsecPackageName(cid); 13789 } 13790 13791 boolean doPostDeleteLI(boolean delete) { 13792 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13793 final List<String> allCodePaths = getAllCodePaths(); 13794 boolean mounted = PackageHelper.isContainerMounted(cid); 13795 if (mounted) { 13796 // Unmount first 13797 if (PackageHelper.unMountSdDir(cid)) { 13798 mounted = false; 13799 } 13800 } 13801 if (!mounted && delete) { 13802 cleanUpResourcesLI(allCodePaths); 13803 } 13804 return !mounted; 13805 } 13806 13807 @Override 13808 int doPreCopy() { 13809 if (isFwdLocked()) { 13810 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13811 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13812 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13813 } 13814 } 13815 13816 return PackageManager.INSTALL_SUCCEEDED; 13817 } 13818 13819 @Override 13820 int doPostCopy(int uid) { 13821 if (isFwdLocked()) { 13822 if (uid < Process.FIRST_APPLICATION_UID 13823 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13824 RES_FILE_NAME)) { 13825 Slog.e(TAG, "Failed to finalize " + cid); 13826 PackageHelper.destroySdDir(cid); 13827 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13828 } 13829 } 13830 13831 return PackageManager.INSTALL_SUCCEEDED; 13832 } 13833 } 13834 13835 /** 13836 * Logic to handle movement of existing installed applications. 13837 */ 13838 class MoveInstallArgs extends InstallArgs { 13839 private File codeFile; 13840 private File resourceFile; 13841 13842 /** New install */ 13843 MoveInstallArgs(InstallParams params) { 13844 super(params.origin, params.move, params.observer, params.installFlags, 13845 params.installerPackageName, params.volumeUuid, 13846 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13847 params.grantedRuntimePermissions, 13848 params.traceMethod, params.traceCookie, params.certificates); 13849 } 13850 13851 int copyApk(IMediaContainerService imcs, boolean temp) { 13852 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13853 + move.fromUuid + " to " + move.toUuid); 13854 synchronized (mInstaller) { 13855 try { 13856 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13857 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13858 } catch (InstallerException e) { 13859 Slog.w(TAG, "Failed to move app", e); 13860 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13861 } 13862 } 13863 13864 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13865 resourceFile = codeFile; 13866 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13867 13868 return PackageManager.INSTALL_SUCCEEDED; 13869 } 13870 13871 int doPreInstall(int status) { 13872 if (status != PackageManager.INSTALL_SUCCEEDED) { 13873 cleanUp(move.toUuid); 13874 } 13875 return status; 13876 } 13877 13878 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13879 if (status != PackageManager.INSTALL_SUCCEEDED) { 13880 cleanUp(move.toUuid); 13881 return false; 13882 } 13883 13884 // Reflect the move in app info 13885 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13886 pkg.setApplicationInfoCodePath(pkg.codePath); 13887 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13888 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13889 pkg.setApplicationInfoResourcePath(pkg.codePath); 13890 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13891 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13892 13893 return true; 13894 } 13895 13896 int doPostInstall(int status, int uid) { 13897 if (status == PackageManager.INSTALL_SUCCEEDED) { 13898 cleanUp(move.fromUuid); 13899 } else { 13900 cleanUp(move.toUuid); 13901 } 13902 return status; 13903 } 13904 13905 @Override 13906 String getCodePath() { 13907 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13908 } 13909 13910 @Override 13911 String getResourcePath() { 13912 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13913 } 13914 13915 private boolean cleanUp(String volumeUuid) { 13916 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13917 move.dataAppName); 13918 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13919 final int[] userIds = sUserManager.getUserIds(); 13920 synchronized (mInstallLock) { 13921 // Clean up both app data and code 13922 // All package moves are frozen until finished 13923 for (int userId : userIds) { 13924 try { 13925 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13926 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13927 } catch (InstallerException e) { 13928 Slog.w(TAG, String.valueOf(e)); 13929 } 13930 } 13931 removeCodePathLI(codeFile); 13932 } 13933 return true; 13934 } 13935 13936 void cleanUpResourcesLI() { 13937 throw new UnsupportedOperationException(); 13938 } 13939 13940 boolean doPostDeleteLI(boolean delete) { 13941 throw new UnsupportedOperationException(); 13942 } 13943 } 13944 13945 static String getAsecPackageName(String packageCid) { 13946 int idx = packageCid.lastIndexOf("-"); 13947 if (idx == -1) { 13948 return packageCid; 13949 } 13950 return packageCid.substring(0, idx); 13951 } 13952 13953 // Utility method used to create code paths based on package name and available index. 13954 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13955 String idxStr = ""; 13956 int idx = 1; 13957 // Fall back to default value of idx=1 if prefix is not 13958 // part of oldCodePath 13959 if (oldCodePath != null) { 13960 String subStr = oldCodePath; 13961 // Drop the suffix right away 13962 if (suffix != null && subStr.endsWith(suffix)) { 13963 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13964 } 13965 // If oldCodePath already contains prefix find out the 13966 // ending index to either increment or decrement. 13967 int sidx = subStr.lastIndexOf(prefix); 13968 if (sidx != -1) { 13969 subStr = subStr.substring(sidx + prefix.length()); 13970 if (subStr != null) { 13971 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13972 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13973 } 13974 try { 13975 idx = Integer.parseInt(subStr); 13976 if (idx <= 1) { 13977 idx++; 13978 } else { 13979 idx--; 13980 } 13981 } catch(NumberFormatException e) { 13982 } 13983 } 13984 } 13985 } 13986 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13987 return prefix + idxStr; 13988 } 13989 13990 private File getNextCodePath(File targetDir, String packageName) { 13991 int suffix = 1; 13992 File result; 13993 do { 13994 result = new File(targetDir, packageName + "-" + suffix); 13995 suffix++; 13996 } while (result.exists()); 13997 return result; 13998 } 13999 14000 // Utility method that returns the relative package path with respect 14001 // to the installation directory. Like say for /data/data/com.test-1.apk 14002 // string com.test-1 is returned. 14003 static String deriveCodePathName(String codePath) { 14004 if (codePath == null) { 14005 return null; 14006 } 14007 final File codeFile = new File(codePath); 14008 final String name = codeFile.getName(); 14009 if (codeFile.isDirectory()) { 14010 return name; 14011 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14012 final int lastDot = name.lastIndexOf('.'); 14013 return name.substring(0, lastDot); 14014 } else { 14015 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14016 return null; 14017 } 14018 } 14019 14020 static class PackageInstalledInfo { 14021 String name; 14022 int uid; 14023 // The set of users that originally had this package installed. 14024 int[] origUsers; 14025 // The set of users that now have this package installed. 14026 int[] newUsers; 14027 PackageParser.Package pkg; 14028 int returnCode; 14029 String returnMsg; 14030 PackageRemovedInfo removedInfo; 14031 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14032 14033 public void setError(int code, String msg) { 14034 setReturnCode(code); 14035 setReturnMessage(msg); 14036 Slog.w(TAG, msg); 14037 } 14038 14039 public void setError(String msg, PackageParserException e) { 14040 setReturnCode(e.error); 14041 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14042 Slog.w(TAG, msg, e); 14043 } 14044 14045 public void setError(String msg, PackageManagerException e) { 14046 returnCode = e.error; 14047 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14048 Slog.w(TAG, msg, e); 14049 } 14050 14051 public void setReturnCode(int returnCode) { 14052 this.returnCode = returnCode; 14053 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14054 for (int i = 0; i < childCount; i++) { 14055 addedChildPackages.valueAt(i).returnCode = returnCode; 14056 } 14057 } 14058 14059 private void setReturnMessage(String returnMsg) { 14060 this.returnMsg = returnMsg; 14061 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14062 for (int i = 0; i < childCount; i++) { 14063 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14064 } 14065 } 14066 14067 // In some error cases we want to convey more info back to the observer 14068 String origPackage; 14069 String origPermission; 14070 } 14071 14072 /* 14073 * Install a non-existing package. 14074 */ 14075 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14076 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14077 PackageInstalledInfo res) { 14078 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14079 14080 // Remember this for later, in case we need to rollback this install 14081 String pkgName = pkg.packageName; 14082 14083 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14084 14085 synchronized(mPackages) { 14086 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14087 // A package with the same name is already installed, though 14088 // it has been renamed to an older name. The package we 14089 // are trying to install should be installed as an update to 14090 // the existing one, but that has not been requested, so bail. 14091 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14092 + " without first uninstalling package running as " 14093 + mSettings.mRenamedPackages.get(pkgName)); 14094 return; 14095 } 14096 if (mPackages.containsKey(pkgName)) { 14097 // Don't allow installation over an existing package with the same name. 14098 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14099 + " without first uninstalling."); 14100 return; 14101 } 14102 } 14103 14104 try { 14105 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14106 System.currentTimeMillis(), user); 14107 14108 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14109 14110 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14111 prepareAppDataAfterInstallLIF(newPackage); 14112 14113 } else { 14114 // Remove package from internal structures, but keep around any 14115 // data that might have already existed 14116 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14117 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14118 } 14119 } catch (PackageManagerException e) { 14120 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14121 } 14122 14123 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14124 } 14125 14126 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14127 // Can't rotate keys during boot or if sharedUser. 14128 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14129 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14130 return false; 14131 } 14132 // app is using upgradeKeySets; make sure all are valid 14133 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14134 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14135 for (int i = 0; i < upgradeKeySets.length; i++) { 14136 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14137 Slog.wtf(TAG, "Package " 14138 + (oldPs.name != null ? oldPs.name : "<null>") 14139 + " contains upgrade-key-set reference to unknown key-set: " 14140 + upgradeKeySets[i] 14141 + " reverting to signatures check."); 14142 return false; 14143 } 14144 } 14145 return true; 14146 } 14147 14148 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14149 // Upgrade keysets are being used. Determine if new package has a superset of the 14150 // required keys. 14151 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14152 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14153 for (int i = 0; i < upgradeKeySets.length; i++) { 14154 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14155 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14156 return true; 14157 } 14158 } 14159 return false; 14160 } 14161 14162 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14163 try (DigestInputStream digestStream = 14164 new DigestInputStream(new FileInputStream(file), digest)) { 14165 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14166 } 14167 } 14168 14169 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14170 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14171 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14172 14173 final PackageParser.Package oldPackage; 14174 final String pkgName = pkg.packageName; 14175 final int[] allUsers; 14176 final int[] installedUsers; 14177 14178 synchronized(mPackages) { 14179 oldPackage = mPackages.get(pkgName); 14180 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14181 14182 // don't allow upgrade to target a release SDK from a pre-release SDK 14183 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14184 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14185 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14186 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14187 if (oldTargetsPreRelease 14188 && !newTargetsPreRelease 14189 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14190 Slog.w(TAG, "Can't install package targeting released sdk"); 14191 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14192 return; 14193 } 14194 14195 // don't allow an upgrade from full to ephemeral 14196 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14197 if (isEphemeral && !oldIsEphemeral) { 14198 // can't downgrade from full to ephemeral 14199 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14200 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14201 return; 14202 } 14203 14204 // verify signatures are valid 14205 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14206 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14207 if (!checkUpgradeKeySetLP(ps, pkg)) { 14208 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14209 "New package not signed by keys specified by upgrade-keysets: " 14210 + pkgName); 14211 return; 14212 } 14213 } else { 14214 // default to original signature matching 14215 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14216 != PackageManager.SIGNATURE_MATCH) { 14217 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14218 "New package has a different signature: " + pkgName); 14219 return; 14220 } 14221 } 14222 14223 // don't allow a system upgrade unless the upgrade hash matches 14224 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14225 byte[] digestBytes = null; 14226 try { 14227 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14228 updateDigest(digest, new File(pkg.baseCodePath)); 14229 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14230 for (String path : pkg.splitCodePaths) { 14231 updateDigest(digest, new File(path)); 14232 } 14233 } 14234 digestBytes = digest.digest(); 14235 } catch (NoSuchAlgorithmException | IOException e) { 14236 res.setError(INSTALL_FAILED_INVALID_APK, 14237 "Could not compute hash: " + pkgName); 14238 return; 14239 } 14240 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14241 res.setError(INSTALL_FAILED_INVALID_APK, 14242 "New package fails restrict-update check: " + pkgName); 14243 return; 14244 } 14245 // retain upgrade restriction 14246 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14247 } 14248 14249 // Check for shared user id changes 14250 String invalidPackageName = 14251 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14252 if (invalidPackageName != null) { 14253 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14254 "Package " + invalidPackageName + " tried to change user " 14255 + oldPackage.mSharedUserId); 14256 return; 14257 } 14258 14259 // In case of rollback, remember per-user/profile install state 14260 allUsers = sUserManager.getUserIds(); 14261 installedUsers = ps.queryInstalledUsers(allUsers, true); 14262 } 14263 14264 // Update what is removed 14265 res.removedInfo = new PackageRemovedInfo(); 14266 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14267 res.removedInfo.removedPackage = oldPackage.packageName; 14268 res.removedInfo.isUpdate = true; 14269 res.removedInfo.origUsers = installedUsers; 14270 final int childCount = (oldPackage.childPackages != null) 14271 ? oldPackage.childPackages.size() : 0; 14272 for (int i = 0; i < childCount; i++) { 14273 boolean childPackageUpdated = false; 14274 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14275 if (res.addedChildPackages != null) { 14276 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14277 if (childRes != null) { 14278 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14279 childRes.removedInfo.removedPackage = childPkg.packageName; 14280 childRes.removedInfo.isUpdate = true; 14281 childPackageUpdated = true; 14282 } 14283 } 14284 if (!childPackageUpdated) { 14285 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14286 childRemovedRes.removedPackage = childPkg.packageName; 14287 childRemovedRes.isUpdate = false; 14288 childRemovedRes.dataRemoved = true; 14289 synchronized (mPackages) { 14290 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14291 if (childPs != null) { 14292 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14293 } 14294 } 14295 if (res.removedInfo.removedChildPackages == null) { 14296 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14297 } 14298 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14299 } 14300 } 14301 14302 boolean sysPkg = (isSystemApp(oldPackage)); 14303 if (sysPkg) { 14304 // Set the system/privileged flags as needed 14305 final boolean privileged = 14306 (oldPackage.applicationInfo.privateFlags 14307 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14308 final int systemPolicyFlags = policyFlags 14309 | PackageParser.PARSE_IS_SYSTEM 14310 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14311 14312 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14313 user, allUsers, installerPackageName, res); 14314 } else { 14315 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14316 user, allUsers, installerPackageName, res); 14317 } 14318 } 14319 14320 public List<String> getPreviousCodePaths(String packageName) { 14321 final PackageSetting ps = mSettings.mPackages.get(packageName); 14322 final List<String> result = new ArrayList<String>(); 14323 if (ps != null && ps.oldCodePaths != null) { 14324 result.addAll(ps.oldCodePaths); 14325 } 14326 return result; 14327 } 14328 14329 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14330 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14331 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14332 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14333 + deletedPackage); 14334 14335 String pkgName = deletedPackage.packageName; 14336 boolean deletedPkg = true; 14337 boolean addedPkg = false; 14338 boolean updatedSettings = false; 14339 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14340 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14341 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14342 14343 final long origUpdateTime = (pkg.mExtras != null) 14344 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14345 14346 // First delete the existing package while retaining the data directory 14347 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14348 res.removedInfo, true, pkg)) { 14349 // If the existing package wasn't successfully deleted 14350 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14351 deletedPkg = false; 14352 } else { 14353 // Successfully deleted the old package; proceed with replace. 14354 14355 // If deleted package lived in a container, give users a chance to 14356 // relinquish resources before killing. 14357 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14358 if (DEBUG_INSTALL) { 14359 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14360 } 14361 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14362 final ArrayList<String> pkgList = new ArrayList<String>(1); 14363 pkgList.add(deletedPackage.applicationInfo.packageName); 14364 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14365 } 14366 14367 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14368 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14369 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14370 14371 try { 14372 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14373 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14374 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14375 14376 // Update the in-memory copy of the previous code paths. 14377 PackageSetting ps = mSettings.mPackages.get(pkgName); 14378 if (!killApp) { 14379 if (ps.oldCodePaths == null) { 14380 ps.oldCodePaths = new ArraySet<>(); 14381 } 14382 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14383 if (deletedPackage.splitCodePaths != null) { 14384 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14385 } 14386 } else { 14387 ps.oldCodePaths = null; 14388 } 14389 if (ps.childPackageNames != null) { 14390 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14391 final String childPkgName = ps.childPackageNames.get(i); 14392 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14393 childPs.oldCodePaths = ps.oldCodePaths; 14394 } 14395 } 14396 prepareAppDataAfterInstallLIF(newPackage); 14397 addedPkg = true; 14398 } catch (PackageManagerException e) { 14399 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14400 } 14401 } 14402 14403 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14404 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14405 14406 // Revert all internal state mutations and added folders for the failed install 14407 if (addedPkg) { 14408 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14409 res.removedInfo, true, null); 14410 } 14411 14412 // Restore the old package 14413 if (deletedPkg) { 14414 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14415 File restoreFile = new File(deletedPackage.codePath); 14416 // Parse old package 14417 boolean oldExternal = isExternal(deletedPackage); 14418 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14419 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14420 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14421 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14422 try { 14423 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14424 null); 14425 } catch (PackageManagerException e) { 14426 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14427 + e.getMessage()); 14428 return; 14429 } 14430 14431 synchronized (mPackages) { 14432 // Ensure the installer package name up to date 14433 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14434 14435 // Update permissions for restored package 14436 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14437 14438 mSettings.writeLPr(); 14439 } 14440 14441 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14442 } 14443 } else { 14444 synchronized (mPackages) { 14445 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14446 if (ps != null) { 14447 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14448 if (res.removedInfo.removedChildPackages != null) { 14449 final int childCount = res.removedInfo.removedChildPackages.size(); 14450 // Iterate in reverse as we may modify the collection 14451 for (int i = childCount - 1; i >= 0; i--) { 14452 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14453 if (res.addedChildPackages.containsKey(childPackageName)) { 14454 res.removedInfo.removedChildPackages.removeAt(i); 14455 } else { 14456 PackageRemovedInfo childInfo = res.removedInfo 14457 .removedChildPackages.valueAt(i); 14458 childInfo.removedForAllUsers = mPackages.get( 14459 childInfo.removedPackage) == null; 14460 } 14461 } 14462 } 14463 } 14464 } 14465 } 14466 } 14467 14468 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14469 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14470 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14471 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14472 + ", old=" + deletedPackage); 14473 14474 final boolean disabledSystem; 14475 14476 // Remove existing system package 14477 removePackageLI(deletedPackage, true); 14478 14479 synchronized (mPackages) { 14480 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14481 } 14482 if (!disabledSystem) { 14483 // We didn't need to disable the .apk as a current system package, 14484 // which means we are replacing another update that is already 14485 // installed. We need to make sure to delete the older one's .apk. 14486 res.removedInfo.args = createInstallArgsForExisting(0, 14487 deletedPackage.applicationInfo.getCodePath(), 14488 deletedPackage.applicationInfo.getResourcePath(), 14489 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14490 } else { 14491 res.removedInfo.args = null; 14492 } 14493 14494 // Successfully disabled the old package. Now proceed with re-installation 14495 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14496 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14497 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14498 14499 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14500 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14501 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14502 14503 PackageParser.Package newPackage = null; 14504 try { 14505 // Add the package to the internal data structures 14506 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14507 14508 // Set the update and install times 14509 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14510 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14511 System.currentTimeMillis()); 14512 14513 // Update the package dynamic state if succeeded 14514 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14515 // Now that the install succeeded make sure we remove data 14516 // directories for any child package the update removed. 14517 final int deletedChildCount = (deletedPackage.childPackages != null) 14518 ? deletedPackage.childPackages.size() : 0; 14519 final int newChildCount = (newPackage.childPackages != null) 14520 ? newPackage.childPackages.size() : 0; 14521 for (int i = 0; i < deletedChildCount; i++) { 14522 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14523 boolean childPackageDeleted = true; 14524 for (int j = 0; j < newChildCount; j++) { 14525 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14526 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14527 childPackageDeleted = false; 14528 break; 14529 } 14530 } 14531 if (childPackageDeleted) { 14532 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14533 deletedChildPkg.packageName); 14534 if (ps != null && res.removedInfo.removedChildPackages != null) { 14535 PackageRemovedInfo removedChildRes = res.removedInfo 14536 .removedChildPackages.get(deletedChildPkg.packageName); 14537 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14538 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14539 } 14540 } 14541 } 14542 14543 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14544 prepareAppDataAfterInstallLIF(newPackage); 14545 } 14546 } catch (PackageManagerException e) { 14547 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14548 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14549 } 14550 14551 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14552 // Re installation failed. Restore old information 14553 // Remove new pkg information 14554 if (newPackage != null) { 14555 removeInstalledPackageLI(newPackage, true); 14556 } 14557 // Add back the old system package 14558 try { 14559 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14560 } catch (PackageManagerException e) { 14561 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14562 } 14563 14564 synchronized (mPackages) { 14565 if (disabledSystem) { 14566 enableSystemPackageLPw(deletedPackage); 14567 } 14568 14569 // Ensure the installer package name up to date 14570 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14571 14572 // Update permissions for restored package 14573 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14574 14575 mSettings.writeLPr(); 14576 } 14577 14578 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14579 + " after failed upgrade"); 14580 } 14581 } 14582 14583 /** 14584 * Checks whether the parent or any of the child packages have a change shared 14585 * user. For a package to be a valid update the shred users of the parent and 14586 * the children should match. We may later support changing child shared users. 14587 * @param oldPkg The updated package. 14588 * @param newPkg The update package. 14589 * @return The shared user that change between the versions. 14590 */ 14591 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14592 PackageParser.Package newPkg) { 14593 // Check parent shared user 14594 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14595 return newPkg.packageName; 14596 } 14597 // Check child shared users 14598 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14599 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14600 for (int i = 0; i < newChildCount; i++) { 14601 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14602 // If this child was present, did it have the same shared user? 14603 for (int j = 0; j < oldChildCount; j++) { 14604 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14605 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14606 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14607 return newChildPkg.packageName; 14608 } 14609 } 14610 } 14611 return null; 14612 } 14613 14614 private void removeNativeBinariesLI(PackageSetting ps) { 14615 // Remove the lib path for the parent package 14616 if (ps != null) { 14617 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14618 // Remove the lib path for the child packages 14619 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14620 for (int i = 0; i < childCount; i++) { 14621 PackageSetting childPs = null; 14622 synchronized (mPackages) { 14623 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14624 } 14625 if (childPs != null) { 14626 NativeLibraryHelper.removeNativeBinariesLI(childPs 14627 .legacyNativeLibraryPathString); 14628 } 14629 } 14630 } 14631 } 14632 14633 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14634 // Enable the parent package 14635 mSettings.enableSystemPackageLPw(pkg.packageName); 14636 // Enable the child packages 14637 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14638 for (int i = 0; i < childCount; i++) { 14639 PackageParser.Package childPkg = pkg.childPackages.get(i); 14640 mSettings.enableSystemPackageLPw(childPkg.packageName); 14641 } 14642 } 14643 14644 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14645 PackageParser.Package newPkg) { 14646 // Disable the parent package (parent always replaced) 14647 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14648 // Disable the child packages 14649 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14650 for (int i = 0; i < childCount; i++) { 14651 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14652 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14653 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14654 } 14655 return disabled; 14656 } 14657 14658 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14659 String installerPackageName) { 14660 // Enable the parent package 14661 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14662 // Enable the child packages 14663 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14664 for (int i = 0; i < childCount; i++) { 14665 PackageParser.Package childPkg = pkg.childPackages.get(i); 14666 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14667 } 14668 } 14669 14670 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14671 // Collect all used permissions in the UID 14672 ArraySet<String> usedPermissions = new ArraySet<>(); 14673 final int packageCount = su.packages.size(); 14674 for (int i = 0; i < packageCount; i++) { 14675 PackageSetting ps = su.packages.valueAt(i); 14676 if (ps.pkg == null) { 14677 continue; 14678 } 14679 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14680 for (int j = 0; j < requestedPermCount; j++) { 14681 String permission = ps.pkg.requestedPermissions.get(j); 14682 BasePermission bp = mSettings.mPermissions.get(permission); 14683 if (bp != null) { 14684 usedPermissions.add(permission); 14685 } 14686 } 14687 } 14688 14689 PermissionsState permissionsState = su.getPermissionsState(); 14690 // Prune install permissions 14691 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14692 final int installPermCount = installPermStates.size(); 14693 for (int i = installPermCount - 1; i >= 0; i--) { 14694 PermissionState permissionState = installPermStates.get(i); 14695 if (!usedPermissions.contains(permissionState.getName())) { 14696 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14697 if (bp != null) { 14698 permissionsState.revokeInstallPermission(bp); 14699 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14700 PackageManager.MASK_PERMISSION_FLAGS, 0); 14701 } 14702 } 14703 } 14704 14705 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14706 14707 // Prune runtime permissions 14708 for (int userId : allUserIds) { 14709 List<PermissionState> runtimePermStates = permissionsState 14710 .getRuntimePermissionStates(userId); 14711 final int runtimePermCount = runtimePermStates.size(); 14712 for (int i = runtimePermCount - 1; i >= 0; i--) { 14713 PermissionState permissionState = runtimePermStates.get(i); 14714 if (!usedPermissions.contains(permissionState.getName())) { 14715 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14716 if (bp != null) { 14717 permissionsState.revokeRuntimePermission(bp, userId); 14718 permissionsState.updatePermissionFlags(bp, userId, 14719 PackageManager.MASK_PERMISSION_FLAGS, 0); 14720 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14721 runtimePermissionChangedUserIds, userId); 14722 } 14723 } 14724 } 14725 } 14726 14727 return runtimePermissionChangedUserIds; 14728 } 14729 14730 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14731 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14732 // Update the parent package setting 14733 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14734 res, user); 14735 // Update the child packages setting 14736 final int childCount = (newPackage.childPackages != null) 14737 ? newPackage.childPackages.size() : 0; 14738 for (int i = 0; i < childCount; i++) { 14739 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14740 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14741 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14742 childRes.origUsers, childRes, user); 14743 } 14744 } 14745 14746 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14747 String installerPackageName, int[] allUsers, int[] installedForUsers, 14748 PackageInstalledInfo res, UserHandle user) { 14749 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14750 14751 String pkgName = newPackage.packageName; 14752 synchronized (mPackages) { 14753 //write settings. the installStatus will be incomplete at this stage. 14754 //note that the new package setting would have already been 14755 //added to mPackages. It hasn't been persisted yet. 14756 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14757 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14758 mSettings.writeLPr(); 14759 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14760 } 14761 14762 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14763 synchronized (mPackages) { 14764 updatePermissionsLPw(newPackage.packageName, newPackage, 14765 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14766 ? UPDATE_PERMISSIONS_ALL : 0)); 14767 // For system-bundled packages, we assume that installing an upgraded version 14768 // of the package implies that the user actually wants to run that new code, 14769 // so we enable the package. 14770 PackageSetting ps = mSettings.mPackages.get(pkgName); 14771 final int userId = user.getIdentifier(); 14772 if (ps != null) { 14773 if (isSystemApp(newPackage)) { 14774 if (DEBUG_INSTALL) { 14775 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14776 } 14777 // Enable system package for requested users 14778 if (res.origUsers != null) { 14779 for (int origUserId : res.origUsers) { 14780 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14781 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14782 origUserId, installerPackageName); 14783 } 14784 } 14785 } 14786 // Also convey the prior install/uninstall state 14787 if (allUsers != null && installedForUsers != null) { 14788 for (int currentUserId : allUsers) { 14789 final boolean installed = ArrayUtils.contains( 14790 installedForUsers, currentUserId); 14791 if (DEBUG_INSTALL) { 14792 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14793 } 14794 ps.setInstalled(installed, currentUserId); 14795 } 14796 // these install state changes will be persisted in the 14797 // upcoming call to mSettings.writeLPr(). 14798 } 14799 } 14800 // It's implied that when a user requests installation, they want the app to be 14801 // installed and enabled. 14802 if (userId != UserHandle.USER_ALL) { 14803 ps.setInstalled(true, userId); 14804 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14805 } 14806 } 14807 res.name = pkgName; 14808 res.uid = newPackage.applicationInfo.uid; 14809 res.pkg = newPackage; 14810 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14811 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14812 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14813 //to update install status 14814 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14815 mSettings.writeLPr(); 14816 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14817 } 14818 14819 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14820 } 14821 14822 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14823 try { 14824 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14825 installPackageLI(args, res); 14826 } finally { 14827 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14828 } 14829 } 14830 14831 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14832 final int installFlags = args.installFlags; 14833 final String installerPackageName = args.installerPackageName; 14834 final String volumeUuid = args.volumeUuid; 14835 final File tmpPackageFile = new File(args.getCodePath()); 14836 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14837 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14838 || (args.volumeUuid != null)); 14839 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14840 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14841 boolean replace = false; 14842 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14843 if (args.move != null) { 14844 // moving a complete application; perform an initial scan on the new install location 14845 scanFlags |= SCAN_INITIAL; 14846 } 14847 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14848 scanFlags |= SCAN_DONT_KILL_APP; 14849 } 14850 14851 // Result object to be returned 14852 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14853 14854 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14855 14856 // Sanity check 14857 if (ephemeral && (forwardLocked || onExternal)) { 14858 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14859 + " external=" + onExternal); 14860 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14861 return; 14862 } 14863 14864 // Retrieve PackageSettings and parse package 14865 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14866 | PackageParser.PARSE_ENFORCE_CODE 14867 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14868 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14869 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14870 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14871 PackageParser pp = new PackageParser(); 14872 pp.setSeparateProcesses(mSeparateProcesses); 14873 pp.setDisplayMetrics(mMetrics); 14874 14875 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14876 final PackageParser.Package pkg; 14877 try { 14878 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14879 } catch (PackageParserException e) { 14880 res.setError("Failed parse during installPackageLI", e); 14881 return; 14882 } finally { 14883 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14884 } 14885 14886 // If we are installing a clustered package add results for the children 14887 if (pkg.childPackages != null) { 14888 synchronized (mPackages) { 14889 final int childCount = pkg.childPackages.size(); 14890 for (int i = 0; i < childCount; i++) { 14891 PackageParser.Package childPkg = pkg.childPackages.get(i); 14892 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14893 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14894 childRes.pkg = childPkg; 14895 childRes.name = childPkg.packageName; 14896 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14897 if (childPs != null) { 14898 childRes.origUsers = childPs.queryInstalledUsers( 14899 sUserManager.getUserIds(), true); 14900 } 14901 if ((mPackages.containsKey(childPkg.packageName))) { 14902 childRes.removedInfo = new PackageRemovedInfo(); 14903 childRes.removedInfo.removedPackage = childPkg.packageName; 14904 } 14905 if (res.addedChildPackages == null) { 14906 res.addedChildPackages = new ArrayMap<>(); 14907 } 14908 res.addedChildPackages.put(childPkg.packageName, childRes); 14909 } 14910 } 14911 } 14912 14913 // If package doesn't declare API override, mark that we have an install 14914 // time CPU ABI override. 14915 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14916 pkg.cpuAbiOverride = args.abiOverride; 14917 } 14918 14919 String pkgName = res.name = pkg.packageName; 14920 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14921 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14922 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14923 return; 14924 } 14925 } 14926 14927 try { 14928 // either use what we've been given or parse directly from the APK 14929 if (args.certificates != null) { 14930 try { 14931 PackageParser.populateCertificates(pkg, args.certificates); 14932 } catch (PackageParserException e) { 14933 // there was something wrong with the certificates we were given; 14934 // try to pull them from the APK 14935 PackageParser.collectCertificates(pkg, parseFlags); 14936 } 14937 } else { 14938 PackageParser.collectCertificates(pkg, parseFlags); 14939 } 14940 } catch (PackageParserException e) { 14941 res.setError("Failed collect during installPackageLI", e); 14942 return; 14943 } 14944 14945 // Get rid of all references to package scan path via parser. 14946 pp = null; 14947 String oldCodePath = null; 14948 boolean systemApp = false; 14949 synchronized (mPackages) { 14950 // Check if installing already existing package 14951 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14952 String oldName = mSettings.mRenamedPackages.get(pkgName); 14953 if (pkg.mOriginalPackages != null 14954 && pkg.mOriginalPackages.contains(oldName) 14955 && mPackages.containsKey(oldName)) { 14956 // This package is derived from an original package, 14957 // and this device has been updating from that original 14958 // name. We must continue using the original name, so 14959 // rename the new package here. 14960 pkg.setPackageName(oldName); 14961 pkgName = pkg.packageName; 14962 replace = true; 14963 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14964 + oldName + " pkgName=" + pkgName); 14965 } else if (mPackages.containsKey(pkgName)) { 14966 // This package, under its official name, already exists 14967 // on the device; we should replace it. 14968 replace = true; 14969 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14970 } 14971 14972 // Child packages are installed through the parent package 14973 if (pkg.parentPackage != null) { 14974 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14975 "Package " + pkg.packageName + " is child of package " 14976 + pkg.parentPackage.parentPackage + ". Child packages " 14977 + "can be updated only through the parent package."); 14978 return; 14979 } 14980 14981 if (replace) { 14982 // Prevent apps opting out from runtime permissions 14983 PackageParser.Package oldPackage = mPackages.get(pkgName); 14984 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14985 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14986 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14987 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14988 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14989 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14990 + " doesn't support runtime permissions but the old" 14991 + " target SDK " + oldTargetSdk + " does."); 14992 return; 14993 } 14994 14995 // Prevent installing of child packages 14996 if (oldPackage.parentPackage != null) { 14997 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14998 "Package " + pkg.packageName + " is child of package " 14999 + oldPackage.parentPackage + ". Child packages " 15000 + "can be updated only through the parent package."); 15001 return; 15002 } 15003 } 15004 } 15005 15006 PackageSetting ps = mSettings.mPackages.get(pkgName); 15007 if (ps != null) { 15008 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15009 15010 // Quick sanity check that we're signed correctly if updating; 15011 // we'll check this again later when scanning, but we want to 15012 // bail early here before tripping over redefined permissions. 15013 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15014 if (!checkUpgradeKeySetLP(ps, pkg)) { 15015 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15016 + pkg.packageName + " upgrade keys do not match the " 15017 + "previously installed version"); 15018 return; 15019 } 15020 } else { 15021 try { 15022 verifySignaturesLP(ps, pkg); 15023 } catch (PackageManagerException e) { 15024 res.setError(e.error, e.getMessage()); 15025 return; 15026 } 15027 } 15028 15029 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15030 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15031 systemApp = (ps.pkg.applicationInfo.flags & 15032 ApplicationInfo.FLAG_SYSTEM) != 0; 15033 } 15034 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15035 } 15036 15037 // Check whether the newly-scanned package wants to define an already-defined perm 15038 int N = pkg.permissions.size(); 15039 for (int i = N-1; i >= 0; i--) { 15040 PackageParser.Permission perm = pkg.permissions.get(i); 15041 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15042 if (bp != null) { 15043 // If the defining package is signed with our cert, it's okay. This 15044 // also includes the "updating the same package" case, of course. 15045 // "updating same package" could also involve key-rotation. 15046 final boolean sigsOk; 15047 if (bp.sourcePackage.equals(pkg.packageName) 15048 && (bp.packageSetting instanceof PackageSetting) 15049 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15050 scanFlags))) { 15051 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15052 } else { 15053 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15054 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15055 } 15056 if (!sigsOk) { 15057 // If the owning package is the system itself, we log but allow 15058 // install to proceed; we fail the install on all other permission 15059 // redefinitions. 15060 if (!bp.sourcePackage.equals("android")) { 15061 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15062 + pkg.packageName + " attempting to redeclare permission " 15063 + perm.info.name + " already owned by " + bp.sourcePackage); 15064 res.origPermission = perm.info.name; 15065 res.origPackage = bp.sourcePackage; 15066 return; 15067 } else { 15068 Slog.w(TAG, "Package " + pkg.packageName 15069 + " attempting to redeclare system permission " 15070 + perm.info.name + "; ignoring new declaration"); 15071 pkg.permissions.remove(i); 15072 } 15073 } 15074 } 15075 } 15076 } 15077 15078 if (systemApp) { 15079 if (onExternal) { 15080 // Abort update; system app can't be replaced with app on sdcard 15081 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15082 "Cannot install updates to system apps on sdcard"); 15083 return; 15084 } else if (ephemeral) { 15085 // Abort update; system app can't be replaced with an ephemeral app 15086 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15087 "Cannot update a system app with an ephemeral app"); 15088 return; 15089 } 15090 } 15091 15092 if (args.move != null) { 15093 // We did an in-place move, so dex is ready to roll 15094 scanFlags |= SCAN_NO_DEX; 15095 scanFlags |= SCAN_MOVE; 15096 15097 synchronized (mPackages) { 15098 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15099 if (ps == null) { 15100 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15101 "Missing settings for moved package " + pkgName); 15102 } 15103 15104 // We moved the entire application as-is, so bring over the 15105 // previously derived ABI information. 15106 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15107 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15108 } 15109 15110 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15111 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15112 scanFlags |= SCAN_NO_DEX; 15113 15114 try { 15115 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15116 args.abiOverride : pkg.cpuAbiOverride); 15117 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15118 true /* extract libs */); 15119 } catch (PackageManagerException pme) { 15120 Slog.e(TAG, "Error deriving application ABI", pme); 15121 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15122 return; 15123 } 15124 15125 // Shared libraries for the package need to be updated. 15126 synchronized (mPackages) { 15127 try { 15128 updateSharedLibrariesLPw(pkg, null); 15129 } catch (PackageManagerException e) { 15130 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15131 } 15132 } 15133 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15134 // Do not run PackageDexOptimizer through the local performDexOpt 15135 // method because `pkg` may not be in `mPackages` yet. 15136 // 15137 // Also, don't fail application installs if the dexopt step fails. 15138 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15139 null /* instructionSets */, false /* checkProfiles */, 15140 getCompilerFilterForReason(REASON_INSTALL), 15141 getOrCreateCompilerPackageStats(pkg)); 15142 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15143 15144 // Notify BackgroundDexOptService that the package has been changed. 15145 // If this is an update of a package which used to fail to compile, 15146 // BDOS will remove it from its blacklist. 15147 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15148 } 15149 15150 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15151 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15152 return; 15153 } 15154 15155 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15156 15157 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15158 "installPackageLI")) { 15159 if (replace) { 15160 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15161 installerPackageName, res); 15162 } else { 15163 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15164 args.user, installerPackageName, volumeUuid, res); 15165 } 15166 } 15167 synchronized (mPackages) { 15168 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15169 if (ps != null) { 15170 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15171 } 15172 15173 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15174 for (int i = 0; i < childCount; i++) { 15175 PackageParser.Package childPkg = pkg.childPackages.get(i); 15176 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15177 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15178 if (childPs != null) { 15179 childRes.newUsers = childPs.queryInstalledUsers( 15180 sUserManager.getUserIds(), true); 15181 } 15182 } 15183 } 15184 } 15185 15186 private void startIntentFilterVerifications(int userId, boolean replacing, 15187 PackageParser.Package pkg) { 15188 if (mIntentFilterVerifierComponent == null) { 15189 Slog.w(TAG, "No IntentFilter verification will not be done as " 15190 + "there is no IntentFilterVerifier available!"); 15191 return; 15192 } 15193 15194 final int verifierUid = getPackageUid( 15195 mIntentFilterVerifierComponent.getPackageName(), 15196 MATCH_DEBUG_TRIAGED_MISSING, 15197 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15198 15199 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15200 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15201 mHandler.sendMessage(msg); 15202 15203 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15204 for (int i = 0; i < childCount; i++) { 15205 PackageParser.Package childPkg = pkg.childPackages.get(i); 15206 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15207 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15208 mHandler.sendMessage(msg); 15209 } 15210 } 15211 15212 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15213 PackageParser.Package pkg) { 15214 int size = pkg.activities.size(); 15215 if (size == 0) { 15216 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15217 "No activity, so no need to verify any IntentFilter!"); 15218 return; 15219 } 15220 15221 final boolean hasDomainURLs = hasDomainURLs(pkg); 15222 if (!hasDomainURLs) { 15223 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15224 "No domain URLs, so no need to verify any IntentFilter!"); 15225 return; 15226 } 15227 15228 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15229 + " if any IntentFilter from the " + size 15230 + " Activities needs verification ..."); 15231 15232 int count = 0; 15233 final String packageName = pkg.packageName; 15234 15235 synchronized (mPackages) { 15236 // If this is a new install and we see that we've already run verification for this 15237 // package, we have nothing to do: it means the state was restored from backup. 15238 if (!replacing) { 15239 IntentFilterVerificationInfo ivi = 15240 mSettings.getIntentFilterVerificationLPr(packageName); 15241 if (ivi != null) { 15242 if (DEBUG_DOMAIN_VERIFICATION) { 15243 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15244 + ivi.getStatusString()); 15245 } 15246 return; 15247 } 15248 } 15249 15250 // If any filters need to be verified, then all need to be. 15251 boolean needToVerify = false; 15252 for (PackageParser.Activity a : pkg.activities) { 15253 for (ActivityIntentInfo filter : a.intents) { 15254 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15255 if (DEBUG_DOMAIN_VERIFICATION) { 15256 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15257 } 15258 needToVerify = true; 15259 break; 15260 } 15261 } 15262 } 15263 15264 if (needToVerify) { 15265 final int verificationId = mIntentFilterVerificationToken++; 15266 for (PackageParser.Activity a : pkg.activities) { 15267 for (ActivityIntentInfo filter : a.intents) { 15268 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15269 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15270 "Verification needed for IntentFilter:" + filter.toString()); 15271 mIntentFilterVerifier.addOneIntentFilterVerification( 15272 verifierUid, userId, verificationId, filter, packageName); 15273 count++; 15274 } 15275 } 15276 } 15277 } 15278 } 15279 15280 if (count > 0) { 15281 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15282 + " IntentFilter verification" + (count > 1 ? "s" : "") 15283 + " for userId:" + userId); 15284 mIntentFilterVerifier.startVerifications(userId); 15285 } else { 15286 if (DEBUG_DOMAIN_VERIFICATION) { 15287 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15288 } 15289 } 15290 } 15291 15292 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15293 final ComponentName cn = filter.activity.getComponentName(); 15294 final String packageName = cn.getPackageName(); 15295 15296 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15297 packageName); 15298 if (ivi == null) { 15299 return true; 15300 } 15301 int status = ivi.getStatus(); 15302 switch (status) { 15303 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15304 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15305 return true; 15306 15307 default: 15308 // Nothing to do 15309 return false; 15310 } 15311 } 15312 15313 private static boolean isMultiArch(ApplicationInfo info) { 15314 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15315 } 15316 15317 private static boolean isExternal(PackageParser.Package pkg) { 15318 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15319 } 15320 15321 private static boolean isExternal(PackageSetting ps) { 15322 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15323 } 15324 15325 private static boolean isEphemeral(PackageParser.Package pkg) { 15326 return pkg.applicationInfo.isEphemeralApp(); 15327 } 15328 15329 private static boolean isEphemeral(PackageSetting ps) { 15330 return ps.pkg != null && isEphemeral(ps.pkg); 15331 } 15332 15333 private static boolean isSystemApp(PackageParser.Package pkg) { 15334 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15335 } 15336 15337 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15338 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15339 } 15340 15341 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15342 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15343 } 15344 15345 private static boolean isSystemApp(PackageSetting ps) { 15346 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15347 } 15348 15349 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15350 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15351 } 15352 15353 private int packageFlagsToInstallFlags(PackageSetting ps) { 15354 int installFlags = 0; 15355 if (isEphemeral(ps)) { 15356 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15357 } 15358 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15359 // This existing package was an external ASEC install when we have 15360 // the external flag without a UUID 15361 installFlags |= PackageManager.INSTALL_EXTERNAL; 15362 } 15363 if (ps.isForwardLocked()) { 15364 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15365 } 15366 return installFlags; 15367 } 15368 15369 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15370 if (isExternal(pkg)) { 15371 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15372 return StorageManager.UUID_PRIMARY_PHYSICAL; 15373 } else { 15374 return pkg.volumeUuid; 15375 } 15376 } else { 15377 return StorageManager.UUID_PRIVATE_INTERNAL; 15378 } 15379 } 15380 15381 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15382 if (isExternal(pkg)) { 15383 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15384 return mSettings.getExternalVersion(); 15385 } else { 15386 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15387 } 15388 } else { 15389 return mSettings.getInternalVersion(); 15390 } 15391 } 15392 15393 private void deleteTempPackageFiles() { 15394 final FilenameFilter filter = new FilenameFilter() { 15395 public boolean accept(File dir, String name) { 15396 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15397 } 15398 }; 15399 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15400 file.delete(); 15401 } 15402 } 15403 15404 @Override 15405 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15406 int flags) { 15407 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15408 flags); 15409 } 15410 15411 @Override 15412 public void deletePackage(final String packageName, 15413 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15414 mContext.enforceCallingOrSelfPermission( 15415 android.Manifest.permission.DELETE_PACKAGES, null); 15416 Preconditions.checkNotNull(packageName); 15417 Preconditions.checkNotNull(observer); 15418 final int uid = Binder.getCallingUid(); 15419 if (!isOrphaned(packageName) 15420 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 15421 try { 15422 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15423 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 15424 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15425 observer.onUserActionRequired(intent); 15426 } catch (RemoteException re) { 15427 } 15428 return; 15429 } 15430 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15431 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15432 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15433 mContext.enforceCallingOrSelfPermission( 15434 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15435 "deletePackage for user " + userId); 15436 } 15437 15438 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15439 try { 15440 observer.onPackageDeleted(packageName, 15441 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15442 } catch (RemoteException re) { 15443 } 15444 return; 15445 } 15446 15447 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15448 try { 15449 observer.onPackageDeleted(packageName, 15450 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15451 } catch (RemoteException re) { 15452 } 15453 return; 15454 } 15455 15456 if (DEBUG_REMOVE) { 15457 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15458 + " deleteAllUsers: " + deleteAllUsers ); 15459 } 15460 // Queue up an async operation since the package deletion may take a little while. 15461 mHandler.post(new Runnable() { 15462 public void run() { 15463 mHandler.removeCallbacks(this); 15464 int returnCode; 15465 if (!deleteAllUsers) { 15466 returnCode = deletePackageX(packageName, userId, deleteFlags); 15467 } else { 15468 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15469 // If nobody is blocking uninstall, proceed with delete for all users 15470 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15471 returnCode = deletePackageX(packageName, userId, deleteFlags); 15472 } else { 15473 // Otherwise uninstall individually for users with blockUninstalls=false 15474 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15475 for (int userId : users) { 15476 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15477 returnCode = deletePackageX(packageName, userId, userFlags); 15478 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15479 Slog.w(TAG, "Package delete failed for user " + userId 15480 + ", returnCode " + returnCode); 15481 } 15482 } 15483 } 15484 // The app has only been marked uninstalled for certain users. 15485 // We still need to report that delete was blocked 15486 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15487 } 15488 } 15489 try { 15490 observer.onPackageDeleted(packageName, returnCode, null); 15491 } catch (RemoteException e) { 15492 Log.i(TAG, "Observer no longer exists."); 15493 } //end catch 15494 } //end run 15495 }); 15496 } 15497 15498 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 15499 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 15500 || callingUid == Process.SYSTEM_UID) { 15501 return true; 15502 } 15503 final int callingUserId = UserHandle.getUserId(callingUid); 15504 // If the caller installed the pkgName, then allow it to silently uninstall. 15505 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 15506 return true; 15507 } 15508 15509 // Allow package verifier to silently uninstall. 15510 if (mRequiredVerifierPackage != null && 15511 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 15512 return true; 15513 } 15514 15515 // Allow package uninstaller to silently uninstall. 15516 if (mRequiredUninstallerPackage != null && 15517 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 15518 return true; 15519 } 15520 15521 // Allow storage manager to silently uninstall. 15522 if (mStorageManagerPackage != null && 15523 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 15524 return true; 15525 } 15526 return false; 15527 } 15528 15529 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15530 int[] result = EMPTY_INT_ARRAY; 15531 for (int userId : userIds) { 15532 if (getBlockUninstallForUser(packageName, userId)) { 15533 result = ArrayUtils.appendInt(result, userId); 15534 } 15535 } 15536 return result; 15537 } 15538 15539 @Override 15540 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15541 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15542 } 15543 15544 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15545 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15546 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15547 try { 15548 if (dpm != null) { 15549 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15550 /* callingUserOnly =*/ false); 15551 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15552 : deviceOwnerComponentName.getPackageName(); 15553 // Does the package contains the device owner? 15554 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15555 // this check is probably not needed, since DO should be registered as a device 15556 // admin on some user too. (Original bug for this: b/17657954) 15557 if (packageName.equals(deviceOwnerPackageName)) { 15558 return true; 15559 } 15560 // Does it contain a device admin for any user? 15561 int[] users; 15562 if (userId == UserHandle.USER_ALL) { 15563 users = sUserManager.getUserIds(); 15564 } else { 15565 users = new int[]{userId}; 15566 } 15567 for (int i = 0; i < users.length; ++i) { 15568 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15569 return true; 15570 } 15571 } 15572 } 15573 } catch (RemoteException e) { 15574 } 15575 return false; 15576 } 15577 15578 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15579 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15580 } 15581 15582 /** 15583 * This method is an internal method that could be get invoked either 15584 * to delete an installed package or to clean up a failed installation. 15585 * After deleting an installed package, a broadcast is sent to notify any 15586 * listeners that the package has been removed. For cleaning up a failed 15587 * installation, the broadcast is not necessary since the package's 15588 * installation wouldn't have sent the initial broadcast either 15589 * The key steps in deleting a package are 15590 * deleting the package information in internal structures like mPackages, 15591 * deleting the packages base directories through installd 15592 * updating mSettings to reflect current status 15593 * persisting settings for later use 15594 * sending a broadcast if necessary 15595 */ 15596 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15597 final PackageRemovedInfo info = new PackageRemovedInfo(); 15598 final boolean res; 15599 15600 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15601 ? UserHandle.USER_ALL : userId; 15602 15603 if (isPackageDeviceAdmin(packageName, removeUser)) { 15604 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15605 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15606 } 15607 15608 PackageSetting uninstalledPs = null; 15609 15610 // for the uninstall-updates case and restricted profiles, remember the per- 15611 // user handle installed state 15612 int[] allUsers; 15613 synchronized (mPackages) { 15614 uninstalledPs = mSettings.mPackages.get(packageName); 15615 if (uninstalledPs == null) { 15616 Slog.w(TAG, "Not removing non-existent package " + packageName); 15617 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15618 } 15619 allUsers = sUserManager.getUserIds(); 15620 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15621 } 15622 15623 final int freezeUser; 15624 if (isUpdatedSystemApp(uninstalledPs) 15625 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15626 // We're downgrading a system app, which will apply to all users, so 15627 // freeze them all during the downgrade 15628 freezeUser = UserHandle.USER_ALL; 15629 } else { 15630 freezeUser = removeUser; 15631 } 15632 15633 synchronized (mInstallLock) { 15634 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15635 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15636 deleteFlags, "deletePackageX")) { 15637 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15638 deleteFlags | REMOVE_CHATTY, info, true, null); 15639 } 15640 synchronized (mPackages) { 15641 if (res) { 15642 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15643 } 15644 } 15645 } 15646 15647 if (res) { 15648 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15649 info.sendPackageRemovedBroadcasts(killApp); 15650 info.sendSystemPackageUpdatedBroadcasts(); 15651 info.sendSystemPackageAppearedBroadcasts(); 15652 } 15653 // Force a gc here. 15654 Runtime.getRuntime().gc(); 15655 // Delete the resources here after sending the broadcast to let 15656 // other processes clean up before deleting resources. 15657 if (info.args != null) { 15658 synchronized (mInstallLock) { 15659 info.args.doPostDeleteLI(true); 15660 } 15661 } 15662 15663 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15664 } 15665 15666 class PackageRemovedInfo { 15667 String removedPackage; 15668 int uid = -1; 15669 int removedAppId = -1; 15670 int[] origUsers; 15671 int[] removedUsers = null; 15672 boolean isRemovedPackageSystemUpdate = false; 15673 boolean isUpdate; 15674 boolean dataRemoved; 15675 boolean removedForAllUsers; 15676 // Clean up resources deleted packages. 15677 InstallArgs args = null; 15678 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15679 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15680 15681 void sendPackageRemovedBroadcasts(boolean killApp) { 15682 sendPackageRemovedBroadcastInternal(killApp); 15683 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15684 for (int i = 0; i < childCount; i++) { 15685 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15686 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15687 } 15688 } 15689 15690 void sendSystemPackageUpdatedBroadcasts() { 15691 if (isRemovedPackageSystemUpdate) { 15692 sendSystemPackageUpdatedBroadcastsInternal(); 15693 final int childCount = (removedChildPackages != null) 15694 ? removedChildPackages.size() : 0; 15695 for (int i = 0; i < childCount; i++) { 15696 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15697 if (childInfo.isRemovedPackageSystemUpdate) { 15698 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15699 } 15700 } 15701 } 15702 } 15703 15704 void sendSystemPackageAppearedBroadcasts() { 15705 final int packageCount = (appearedChildPackages != null) 15706 ? appearedChildPackages.size() : 0; 15707 for (int i = 0; i < packageCount; i++) { 15708 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15709 for (int userId : installedInfo.newUsers) { 15710 sendPackageAddedForUser(installedInfo.name, true, 15711 UserHandle.getAppId(installedInfo.uid), userId); 15712 } 15713 } 15714 } 15715 15716 private void sendSystemPackageUpdatedBroadcastsInternal() { 15717 Bundle extras = new Bundle(2); 15718 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15719 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15720 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15721 extras, 0, null, null, null); 15722 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15723 extras, 0, null, null, null); 15724 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15725 null, 0, removedPackage, null, null); 15726 } 15727 15728 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15729 Bundle extras = new Bundle(2); 15730 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15731 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15732 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15733 if (isUpdate || isRemovedPackageSystemUpdate) { 15734 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15735 } 15736 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15737 if (removedPackage != null) { 15738 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15739 extras, 0, null, null, removedUsers); 15740 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15741 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15742 removedPackage, extras, 0, null, null, removedUsers); 15743 } 15744 } 15745 if (removedAppId >= 0) { 15746 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15747 removedUsers); 15748 } 15749 } 15750 } 15751 15752 /* 15753 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15754 * flag is not set, the data directory is removed as well. 15755 * make sure this flag is set for partially installed apps. If not its meaningless to 15756 * delete a partially installed application. 15757 */ 15758 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15759 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15760 String packageName = ps.name; 15761 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15762 // Retrieve object to delete permissions for shared user later on 15763 final PackageParser.Package deletedPkg; 15764 final PackageSetting deletedPs; 15765 // reader 15766 synchronized (mPackages) { 15767 deletedPkg = mPackages.get(packageName); 15768 deletedPs = mSettings.mPackages.get(packageName); 15769 if (outInfo != null) { 15770 outInfo.removedPackage = packageName; 15771 outInfo.removedUsers = deletedPs != null 15772 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15773 : null; 15774 } 15775 } 15776 15777 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15778 15779 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15780 final PackageParser.Package resolvedPkg; 15781 if (deletedPkg != null) { 15782 resolvedPkg = deletedPkg; 15783 } else { 15784 // We don't have a parsed package when it lives on an ejected 15785 // adopted storage device, so fake something together 15786 resolvedPkg = new PackageParser.Package(ps.name); 15787 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15788 } 15789 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15790 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15791 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15792 if (outInfo != null) { 15793 outInfo.dataRemoved = true; 15794 } 15795 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15796 } 15797 15798 // writer 15799 synchronized (mPackages) { 15800 if (deletedPs != null) { 15801 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15802 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15803 clearDefaultBrowserIfNeeded(packageName); 15804 if (outInfo != null) { 15805 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15806 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15807 } 15808 updatePermissionsLPw(deletedPs.name, null, 0); 15809 if (deletedPs.sharedUser != null) { 15810 // Remove permissions associated with package. Since runtime 15811 // permissions are per user we have to kill the removed package 15812 // or packages running under the shared user of the removed 15813 // package if revoking the permissions requested only by the removed 15814 // package is successful and this causes a change in gids. 15815 for (int userId : UserManagerService.getInstance().getUserIds()) { 15816 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15817 userId); 15818 if (userIdToKill == UserHandle.USER_ALL 15819 || userIdToKill >= UserHandle.USER_SYSTEM) { 15820 // If gids changed for this user, kill all affected packages. 15821 mHandler.post(new Runnable() { 15822 @Override 15823 public void run() { 15824 // This has to happen with no lock held. 15825 killApplication(deletedPs.name, deletedPs.appId, 15826 KILL_APP_REASON_GIDS_CHANGED); 15827 } 15828 }); 15829 break; 15830 } 15831 } 15832 } 15833 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15834 } 15835 // make sure to preserve per-user disabled state if this removal was just 15836 // a downgrade of a system app to the factory package 15837 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15838 if (DEBUG_REMOVE) { 15839 Slog.d(TAG, "Propagating install state across downgrade"); 15840 } 15841 for (int userId : allUserHandles) { 15842 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15843 if (DEBUG_REMOVE) { 15844 Slog.d(TAG, " user " + userId + " => " + installed); 15845 } 15846 ps.setInstalled(installed, userId); 15847 } 15848 } 15849 } 15850 // can downgrade to reader 15851 if (writeSettings) { 15852 // Save settings now 15853 mSettings.writeLPr(); 15854 } 15855 } 15856 if (outInfo != null) { 15857 // A user ID was deleted here. Go through all users and remove it 15858 // from KeyStore. 15859 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15860 } 15861 } 15862 15863 static boolean locationIsPrivileged(File path) { 15864 try { 15865 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15866 .getCanonicalPath(); 15867 return path.getCanonicalPath().startsWith(privilegedAppDir); 15868 } catch (IOException e) { 15869 Slog.e(TAG, "Unable to access code path " + path); 15870 } 15871 return false; 15872 } 15873 15874 /* 15875 * Tries to delete system package. 15876 */ 15877 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15878 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15879 boolean writeSettings) { 15880 if (deletedPs.parentPackageName != null) { 15881 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15882 return false; 15883 } 15884 15885 final boolean applyUserRestrictions 15886 = (allUserHandles != null) && (outInfo.origUsers != null); 15887 final PackageSetting disabledPs; 15888 // Confirm if the system package has been updated 15889 // An updated system app can be deleted. This will also have to restore 15890 // the system pkg from system partition 15891 // reader 15892 synchronized (mPackages) { 15893 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15894 } 15895 15896 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15897 + " disabledPs=" + disabledPs); 15898 15899 if (disabledPs == null) { 15900 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15901 return false; 15902 } else if (DEBUG_REMOVE) { 15903 Slog.d(TAG, "Deleting system pkg from data partition"); 15904 } 15905 15906 if (DEBUG_REMOVE) { 15907 if (applyUserRestrictions) { 15908 Slog.d(TAG, "Remembering install states:"); 15909 for (int userId : allUserHandles) { 15910 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15911 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15912 } 15913 } 15914 } 15915 15916 // Delete the updated package 15917 outInfo.isRemovedPackageSystemUpdate = true; 15918 if (outInfo.removedChildPackages != null) { 15919 final int childCount = (deletedPs.childPackageNames != null) 15920 ? deletedPs.childPackageNames.size() : 0; 15921 for (int i = 0; i < childCount; i++) { 15922 String childPackageName = deletedPs.childPackageNames.get(i); 15923 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15924 .contains(childPackageName)) { 15925 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15926 childPackageName); 15927 if (childInfo != null) { 15928 childInfo.isRemovedPackageSystemUpdate = true; 15929 } 15930 } 15931 } 15932 } 15933 15934 if (disabledPs.versionCode < deletedPs.versionCode) { 15935 // Delete data for downgrades 15936 flags &= ~PackageManager.DELETE_KEEP_DATA; 15937 } else { 15938 // Preserve data by setting flag 15939 flags |= PackageManager.DELETE_KEEP_DATA; 15940 } 15941 15942 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15943 outInfo, writeSettings, disabledPs.pkg); 15944 if (!ret) { 15945 return false; 15946 } 15947 15948 // writer 15949 synchronized (mPackages) { 15950 // Reinstate the old system package 15951 enableSystemPackageLPw(disabledPs.pkg); 15952 // Remove any native libraries from the upgraded package. 15953 removeNativeBinariesLI(deletedPs); 15954 } 15955 15956 // Install the system package 15957 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15958 int parseFlags = mDefParseFlags 15959 | PackageParser.PARSE_MUST_BE_APK 15960 | PackageParser.PARSE_IS_SYSTEM 15961 | PackageParser.PARSE_IS_SYSTEM_DIR; 15962 if (locationIsPrivileged(disabledPs.codePath)) { 15963 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15964 } 15965 15966 final PackageParser.Package newPkg; 15967 try { 15968 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15969 } catch (PackageManagerException e) { 15970 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15971 + e.getMessage()); 15972 return false; 15973 } 15974 try { 15975 // update shared libraries for the newly re-installed system package 15976 updateSharedLibrariesLPw(newPkg, null); 15977 } catch (PackageManagerException e) { 15978 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 15979 } 15980 15981 prepareAppDataAfterInstallLIF(newPkg); 15982 15983 // writer 15984 synchronized (mPackages) { 15985 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15986 15987 // Propagate the permissions state as we do not want to drop on the floor 15988 // runtime permissions. The update permissions method below will take 15989 // care of removing obsolete permissions and grant install permissions. 15990 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15991 updatePermissionsLPw(newPkg.packageName, newPkg, 15992 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15993 15994 if (applyUserRestrictions) { 15995 if (DEBUG_REMOVE) { 15996 Slog.d(TAG, "Propagating install state across reinstall"); 15997 } 15998 for (int userId : allUserHandles) { 15999 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16000 if (DEBUG_REMOVE) { 16001 Slog.d(TAG, " user " + userId + " => " + installed); 16002 } 16003 ps.setInstalled(installed, userId); 16004 16005 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16006 } 16007 // Regardless of writeSettings we need to ensure that this restriction 16008 // state propagation is persisted 16009 mSettings.writeAllUsersPackageRestrictionsLPr(); 16010 } 16011 // can downgrade to reader here 16012 if (writeSettings) { 16013 mSettings.writeLPr(); 16014 } 16015 } 16016 return true; 16017 } 16018 16019 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16020 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16021 PackageRemovedInfo outInfo, boolean writeSettings, 16022 PackageParser.Package replacingPackage) { 16023 synchronized (mPackages) { 16024 if (outInfo != null) { 16025 outInfo.uid = ps.appId; 16026 } 16027 16028 if (outInfo != null && outInfo.removedChildPackages != null) { 16029 final int childCount = (ps.childPackageNames != null) 16030 ? ps.childPackageNames.size() : 0; 16031 for (int i = 0; i < childCount; i++) { 16032 String childPackageName = ps.childPackageNames.get(i); 16033 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16034 if (childPs == null) { 16035 return false; 16036 } 16037 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16038 childPackageName); 16039 if (childInfo != null) { 16040 childInfo.uid = childPs.appId; 16041 } 16042 } 16043 } 16044 } 16045 16046 // Delete package data from internal structures and also remove data if flag is set 16047 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16048 16049 // Delete the child packages data 16050 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16051 for (int i = 0; i < childCount; i++) { 16052 PackageSetting childPs; 16053 synchronized (mPackages) { 16054 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16055 } 16056 if (childPs != null) { 16057 PackageRemovedInfo childOutInfo = (outInfo != null 16058 && outInfo.removedChildPackages != null) 16059 ? outInfo.removedChildPackages.get(childPs.name) : null; 16060 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16061 && (replacingPackage != null 16062 && !replacingPackage.hasChildPackage(childPs.name)) 16063 ? flags & ~DELETE_KEEP_DATA : flags; 16064 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16065 deleteFlags, writeSettings); 16066 } 16067 } 16068 16069 // Delete application code and resources only for parent packages 16070 if (ps.parentPackageName == null) { 16071 if (deleteCodeAndResources && (outInfo != null)) { 16072 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16073 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16074 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16075 } 16076 } 16077 16078 return true; 16079 } 16080 16081 @Override 16082 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16083 int userId) { 16084 mContext.enforceCallingOrSelfPermission( 16085 android.Manifest.permission.DELETE_PACKAGES, null); 16086 synchronized (mPackages) { 16087 PackageSetting ps = mSettings.mPackages.get(packageName); 16088 if (ps == null) { 16089 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16090 return false; 16091 } 16092 if (!ps.getInstalled(userId)) { 16093 // Can't block uninstall for an app that is not installed or enabled. 16094 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16095 return false; 16096 } 16097 ps.setBlockUninstall(blockUninstall, userId); 16098 mSettings.writePackageRestrictionsLPr(userId); 16099 } 16100 return true; 16101 } 16102 16103 @Override 16104 public boolean getBlockUninstallForUser(String packageName, int userId) { 16105 synchronized (mPackages) { 16106 PackageSetting ps = mSettings.mPackages.get(packageName); 16107 if (ps == null) { 16108 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16109 return false; 16110 } 16111 return ps.getBlockUninstall(userId); 16112 } 16113 } 16114 16115 @Override 16116 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16117 int callingUid = Binder.getCallingUid(); 16118 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16119 throw new SecurityException( 16120 "setRequiredForSystemUser can only be run by the system or root"); 16121 } 16122 synchronized (mPackages) { 16123 PackageSetting ps = mSettings.mPackages.get(packageName); 16124 if (ps == null) { 16125 Log.w(TAG, "Package doesn't exist: " + packageName); 16126 return false; 16127 } 16128 if (systemUserApp) { 16129 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16130 } else { 16131 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16132 } 16133 mSettings.writeLPr(); 16134 } 16135 return true; 16136 } 16137 16138 /* 16139 * This method handles package deletion in general 16140 */ 16141 private boolean deletePackageLIF(String packageName, UserHandle user, 16142 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16143 PackageRemovedInfo outInfo, boolean writeSettings, 16144 PackageParser.Package replacingPackage) { 16145 if (packageName == null) { 16146 Slog.w(TAG, "Attempt to delete null packageName."); 16147 return false; 16148 } 16149 16150 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16151 16152 PackageSetting ps; 16153 16154 synchronized (mPackages) { 16155 ps = mSettings.mPackages.get(packageName); 16156 if (ps == null) { 16157 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16158 return false; 16159 } 16160 16161 if (ps.parentPackageName != null && (!isSystemApp(ps) 16162 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16163 if (DEBUG_REMOVE) { 16164 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16165 + ((user == null) ? UserHandle.USER_ALL : user)); 16166 } 16167 final int removedUserId = (user != null) ? user.getIdentifier() 16168 : UserHandle.USER_ALL; 16169 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16170 return false; 16171 } 16172 markPackageUninstalledForUserLPw(ps, user); 16173 scheduleWritePackageRestrictionsLocked(user); 16174 return true; 16175 } 16176 } 16177 16178 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16179 && user.getIdentifier() != UserHandle.USER_ALL)) { 16180 // The caller is asking that the package only be deleted for a single 16181 // user. To do this, we just mark its uninstalled state and delete 16182 // its data. If this is a system app, we only allow this to happen if 16183 // they have set the special DELETE_SYSTEM_APP which requests different 16184 // semantics than normal for uninstalling system apps. 16185 markPackageUninstalledForUserLPw(ps, user); 16186 16187 if (!isSystemApp(ps)) { 16188 // Do not uninstall the APK if an app should be cached 16189 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16190 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16191 // Other user still have this package installed, so all 16192 // we need to do is clear this user's data and save that 16193 // it is uninstalled. 16194 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16195 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16196 return false; 16197 } 16198 scheduleWritePackageRestrictionsLocked(user); 16199 return true; 16200 } else { 16201 // We need to set it back to 'installed' so the uninstall 16202 // broadcasts will be sent correctly. 16203 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16204 ps.setInstalled(true, user.getIdentifier()); 16205 } 16206 } else { 16207 // This is a system app, so we assume that the 16208 // other users still have this package installed, so all 16209 // we need to do is clear this user's data and save that 16210 // it is uninstalled. 16211 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16212 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16213 return false; 16214 } 16215 scheduleWritePackageRestrictionsLocked(user); 16216 return true; 16217 } 16218 } 16219 16220 // If we are deleting a composite package for all users, keep track 16221 // of result for each child. 16222 if (ps.childPackageNames != null && outInfo != null) { 16223 synchronized (mPackages) { 16224 final int childCount = ps.childPackageNames.size(); 16225 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16226 for (int i = 0; i < childCount; i++) { 16227 String childPackageName = ps.childPackageNames.get(i); 16228 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16229 childInfo.removedPackage = childPackageName; 16230 outInfo.removedChildPackages.put(childPackageName, childInfo); 16231 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16232 if (childPs != null) { 16233 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16234 } 16235 } 16236 } 16237 } 16238 16239 boolean ret = false; 16240 if (isSystemApp(ps)) { 16241 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16242 // When an updated system application is deleted we delete the existing resources 16243 // as well and fall back to existing code in system partition 16244 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16245 } else { 16246 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16247 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16248 outInfo, writeSettings, replacingPackage); 16249 } 16250 16251 // Take a note whether we deleted the package for all users 16252 if (outInfo != null) { 16253 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16254 if (outInfo.removedChildPackages != null) { 16255 synchronized (mPackages) { 16256 final int childCount = outInfo.removedChildPackages.size(); 16257 for (int i = 0; i < childCount; i++) { 16258 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16259 if (childInfo != null) { 16260 childInfo.removedForAllUsers = mPackages.get( 16261 childInfo.removedPackage) == null; 16262 } 16263 } 16264 } 16265 } 16266 // If we uninstalled an update to a system app there may be some 16267 // child packages that appeared as they are declared in the system 16268 // app but were not declared in the update. 16269 if (isSystemApp(ps)) { 16270 synchronized (mPackages) { 16271 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16272 final int childCount = (updatedPs.childPackageNames != null) 16273 ? updatedPs.childPackageNames.size() : 0; 16274 for (int i = 0; i < childCount; i++) { 16275 String childPackageName = updatedPs.childPackageNames.get(i); 16276 if (outInfo.removedChildPackages == null 16277 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16278 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16279 if (childPs == null) { 16280 continue; 16281 } 16282 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16283 installRes.name = childPackageName; 16284 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16285 installRes.pkg = mPackages.get(childPackageName); 16286 installRes.uid = childPs.pkg.applicationInfo.uid; 16287 if (outInfo.appearedChildPackages == null) { 16288 outInfo.appearedChildPackages = new ArrayMap<>(); 16289 } 16290 outInfo.appearedChildPackages.put(childPackageName, installRes); 16291 } 16292 } 16293 } 16294 } 16295 } 16296 16297 return ret; 16298 } 16299 16300 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16301 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16302 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16303 for (int nextUserId : userIds) { 16304 if (DEBUG_REMOVE) { 16305 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16306 } 16307 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16308 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16309 false /*hidden*/, false /*suspended*/, null, null, null, 16310 false /*blockUninstall*/, 16311 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16312 } 16313 } 16314 16315 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16316 PackageRemovedInfo outInfo) { 16317 final PackageParser.Package pkg; 16318 synchronized (mPackages) { 16319 pkg = mPackages.get(ps.name); 16320 } 16321 16322 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16323 : new int[] {userId}; 16324 for (int nextUserId : userIds) { 16325 if (DEBUG_REMOVE) { 16326 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16327 + nextUserId); 16328 } 16329 16330 destroyAppDataLIF(pkg, userId, 16331 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16332 destroyAppProfilesLIF(pkg, userId); 16333 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16334 schedulePackageCleaning(ps.name, nextUserId, false); 16335 synchronized (mPackages) { 16336 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16337 scheduleWritePackageRestrictionsLocked(nextUserId); 16338 } 16339 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16340 } 16341 } 16342 16343 if (outInfo != null) { 16344 outInfo.removedPackage = ps.name; 16345 outInfo.removedAppId = ps.appId; 16346 outInfo.removedUsers = userIds; 16347 } 16348 16349 return true; 16350 } 16351 16352 private final class ClearStorageConnection implements ServiceConnection { 16353 IMediaContainerService mContainerService; 16354 16355 @Override 16356 public void onServiceConnected(ComponentName name, IBinder service) { 16357 synchronized (this) { 16358 mContainerService = IMediaContainerService.Stub.asInterface(service); 16359 notifyAll(); 16360 } 16361 } 16362 16363 @Override 16364 public void onServiceDisconnected(ComponentName name) { 16365 } 16366 } 16367 16368 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16369 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16370 16371 final boolean mounted; 16372 if (Environment.isExternalStorageEmulated()) { 16373 mounted = true; 16374 } else { 16375 final String status = Environment.getExternalStorageState(); 16376 16377 mounted = status.equals(Environment.MEDIA_MOUNTED) 16378 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16379 } 16380 16381 if (!mounted) { 16382 return; 16383 } 16384 16385 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16386 int[] users; 16387 if (userId == UserHandle.USER_ALL) { 16388 users = sUserManager.getUserIds(); 16389 } else { 16390 users = new int[] { userId }; 16391 } 16392 final ClearStorageConnection conn = new ClearStorageConnection(); 16393 if (mContext.bindServiceAsUser( 16394 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16395 try { 16396 for (int curUser : users) { 16397 long timeout = SystemClock.uptimeMillis() + 5000; 16398 synchronized (conn) { 16399 long now; 16400 while (conn.mContainerService == null && 16401 (now = SystemClock.uptimeMillis()) < timeout) { 16402 try { 16403 conn.wait(timeout - now); 16404 } catch (InterruptedException e) { 16405 } 16406 } 16407 } 16408 if (conn.mContainerService == null) { 16409 return; 16410 } 16411 16412 final UserEnvironment userEnv = new UserEnvironment(curUser); 16413 clearDirectory(conn.mContainerService, 16414 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16415 if (allData) { 16416 clearDirectory(conn.mContainerService, 16417 userEnv.buildExternalStorageAppDataDirs(packageName)); 16418 clearDirectory(conn.mContainerService, 16419 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16420 } 16421 } 16422 } finally { 16423 mContext.unbindService(conn); 16424 } 16425 } 16426 } 16427 16428 @Override 16429 public void clearApplicationProfileData(String packageName) { 16430 enforceSystemOrRoot("Only the system can clear all profile data"); 16431 16432 final PackageParser.Package pkg; 16433 synchronized (mPackages) { 16434 pkg = mPackages.get(packageName); 16435 } 16436 16437 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16438 synchronized (mInstallLock) { 16439 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16440 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16441 true /* removeBaseMarker */); 16442 } 16443 } 16444 } 16445 16446 @Override 16447 public void clearApplicationUserData(final String packageName, 16448 final IPackageDataObserver observer, final int userId) { 16449 mContext.enforceCallingOrSelfPermission( 16450 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16451 16452 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16453 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16454 16455 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16456 throw new SecurityException("Cannot clear data for a protected package: " 16457 + packageName); 16458 } 16459 // Queue up an async operation since the package deletion may take a little while. 16460 mHandler.post(new Runnable() { 16461 public void run() { 16462 mHandler.removeCallbacks(this); 16463 final boolean succeeded; 16464 try (PackageFreezer freezer = freezePackage(packageName, 16465 "clearApplicationUserData")) { 16466 synchronized (mInstallLock) { 16467 succeeded = clearApplicationUserDataLIF(packageName, userId); 16468 } 16469 clearExternalStorageDataSync(packageName, userId, true); 16470 } 16471 if (succeeded) { 16472 // invoke DeviceStorageMonitor's update method to clear any notifications 16473 DeviceStorageMonitorInternal dsm = LocalServices 16474 .getService(DeviceStorageMonitorInternal.class); 16475 if (dsm != null) { 16476 dsm.checkMemory(); 16477 } 16478 } 16479 if(observer != null) { 16480 try { 16481 observer.onRemoveCompleted(packageName, succeeded); 16482 } catch (RemoteException e) { 16483 Log.i(TAG, "Observer no longer exists."); 16484 } 16485 } //end if observer 16486 } //end run 16487 }); 16488 } 16489 16490 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16491 if (packageName == null) { 16492 Slog.w(TAG, "Attempt to delete null packageName."); 16493 return false; 16494 } 16495 16496 // Try finding details about the requested package 16497 PackageParser.Package pkg; 16498 synchronized (mPackages) { 16499 pkg = mPackages.get(packageName); 16500 if (pkg == null) { 16501 final PackageSetting ps = mSettings.mPackages.get(packageName); 16502 if (ps != null) { 16503 pkg = ps.pkg; 16504 } 16505 } 16506 16507 if (pkg == null) { 16508 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16509 return false; 16510 } 16511 16512 PackageSetting ps = (PackageSetting) pkg.mExtras; 16513 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16514 } 16515 16516 clearAppDataLIF(pkg, userId, 16517 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16518 16519 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16520 removeKeystoreDataIfNeeded(userId, appId); 16521 16522 UserManagerInternal umInternal = getUserManagerInternal(); 16523 final int flags; 16524 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16525 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16526 } else if (umInternal.isUserRunning(userId)) { 16527 flags = StorageManager.FLAG_STORAGE_DE; 16528 } else { 16529 flags = 0; 16530 } 16531 prepareAppDataContentsLIF(pkg, userId, flags); 16532 16533 return true; 16534 } 16535 16536 /** 16537 * Reverts user permission state changes (permissions and flags) in 16538 * all packages for a given user. 16539 * 16540 * @param userId The device user for which to do a reset. 16541 */ 16542 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16543 final int packageCount = mPackages.size(); 16544 for (int i = 0; i < packageCount; i++) { 16545 PackageParser.Package pkg = mPackages.valueAt(i); 16546 PackageSetting ps = (PackageSetting) pkg.mExtras; 16547 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16548 } 16549 } 16550 16551 private void resetNetworkPolicies(int userId) { 16552 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16553 } 16554 16555 /** 16556 * Reverts user permission state changes (permissions and flags). 16557 * 16558 * @param ps The package for which to reset. 16559 * @param userId The device user for which to do a reset. 16560 */ 16561 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16562 final PackageSetting ps, final int userId) { 16563 if (ps.pkg == null) { 16564 return; 16565 } 16566 16567 // These are flags that can change base on user actions. 16568 final int userSettableMask = FLAG_PERMISSION_USER_SET 16569 | FLAG_PERMISSION_USER_FIXED 16570 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16571 | FLAG_PERMISSION_REVIEW_REQUIRED; 16572 16573 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16574 | FLAG_PERMISSION_POLICY_FIXED; 16575 16576 boolean writeInstallPermissions = false; 16577 boolean writeRuntimePermissions = false; 16578 16579 final int permissionCount = ps.pkg.requestedPermissions.size(); 16580 for (int i = 0; i < permissionCount; i++) { 16581 String permission = ps.pkg.requestedPermissions.get(i); 16582 16583 BasePermission bp = mSettings.mPermissions.get(permission); 16584 if (bp == null) { 16585 continue; 16586 } 16587 16588 // If shared user we just reset the state to which only this app contributed. 16589 if (ps.sharedUser != null) { 16590 boolean used = false; 16591 final int packageCount = ps.sharedUser.packages.size(); 16592 for (int j = 0; j < packageCount; j++) { 16593 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16594 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16595 && pkg.pkg.requestedPermissions.contains(permission)) { 16596 used = true; 16597 break; 16598 } 16599 } 16600 if (used) { 16601 continue; 16602 } 16603 } 16604 16605 PermissionsState permissionsState = ps.getPermissionsState(); 16606 16607 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16608 16609 // Always clear the user settable flags. 16610 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16611 bp.name) != null; 16612 // If permission review is enabled and this is a legacy app, mark the 16613 // permission as requiring a review as this is the initial state. 16614 int flags = 0; 16615 if (Build.PERMISSIONS_REVIEW_REQUIRED 16616 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16617 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16618 } 16619 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16620 if (hasInstallState) { 16621 writeInstallPermissions = true; 16622 } else { 16623 writeRuntimePermissions = true; 16624 } 16625 } 16626 16627 // Below is only runtime permission handling. 16628 if (!bp.isRuntime()) { 16629 continue; 16630 } 16631 16632 // Never clobber system or policy. 16633 if ((oldFlags & policyOrSystemFlags) != 0) { 16634 continue; 16635 } 16636 16637 // If this permission was granted by default, make sure it is. 16638 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16639 if (permissionsState.grantRuntimePermission(bp, userId) 16640 != PERMISSION_OPERATION_FAILURE) { 16641 writeRuntimePermissions = true; 16642 } 16643 // If permission review is enabled the permissions for a legacy apps 16644 // are represented as constantly granted runtime ones, so don't revoke. 16645 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16646 // Otherwise, reset the permission. 16647 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16648 switch (revokeResult) { 16649 case PERMISSION_OPERATION_SUCCESS: 16650 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16651 writeRuntimePermissions = true; 16652 final int appId = ps.appId; 16653 mHandler.post(new Runnable() { 16654 @Override 16655 public void run() { 16656 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16657 } 16658 }); 16659 } break; 16660 } 16661 } 16662 } 16663 16664 // Synchronously write as we are taking permissions away. 16665 if (writeRuntimePermissions) { 16666 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16667 } 16668 16669 // Synchronously write as we are taking permissions away. 16670 if (writeInstallPermissions) { 16671 mSettings.writeLPr(); 16672 } 16673 } 16674 16675 /** 16676 * Remove entries from the keystore daemon. Will only remove it if the 16677 * {@code appId} is valid. 16678 */ 16679 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16680 if (appId < 0) { 16681 return; 16682 } 16683 16684 final KeyStore keyStore = KeyStore.getInstance(); 16685 if (keyStore != null) { 16686 if (userId == UserHandle.USER_ALL) { 16687 for (final int individual : sUserManager.getUserIds()) { 16688 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16689 } 16690 } else { 16691 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16692 } 16693 } else { 16694 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16695 } 16696 } 16697 16698 @Override 16699 public void deleteApplicationCacheFiles(final String packageName, 16700 final IPackageDataObserver observer) { 16701 final int userId = UserHandle.getCallingUserId(); 16702 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16703 } 16704 16705 @Override 16706 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16707 final IPackageDataObserver observer) { 16708 mContext.enforceCallingOrSelfPermission( 16709 android.Manifest.permission.DELETE_CACHE_FILES, null); 16710 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16711 /* requireFullPermission= */ true, /* checkShell= */ false, 16712 "delete application cache files"); 16713 16714 final PackageParser.Package pkg; 16715 synchronized (mPackages) { 16716 pkg = mPackages.get(packageName); 16717 } 16718 16719 // Queue up an async operation since the package deletion may take a little while. 16720 mHandler.post(new Runnable() { 16721 public void run() { 16722 synchronized (mInstallLock) { 16723 final int flags = StorageManager.FLAG_STORAGE_DE 16724 | StorageManager.FLAG_STORAGE_CE; 16725 // We're only clearing cache files, so we don't care if the 16726 // app is unfrozen and still able to run 16727 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16728 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16729 } 16730 clearExternalStorageDataSync(packageName, userId, false); 16731 if (observer != null) { 16732 try { 16733 observer.onRemoveCompleted(packageName, true); 16734 } catch (RemoteException e) { 16735 Log.i(TAG, "Observer no longer exists."); 16736 } 16737 } 16738 } 16739 }); 16740 } 16741 16742 @Override 16743 public void getPackageSizeInfo(final String packageName, int userHandle, 16744 final IPackageStatsObserver observer) { 16745 mContext.enforceCallingOrSelfPermission( 16746 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16747 if (packageName == null) { 16748 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16749 } 16750 16751 PackageStats stats = new PackageStats(packageName, userHandle); 16752 16753 /* 16754 * Queue up an async operation since the package measurement may take a 16755 * little while. 16756 */ 16757 Message msg = mHandler.obtainMessage(INIT_COPY); 16758 msg.obj = new MeasureParams(stats, observer); 16759 mHandler.sendMessage(msg); 16760 } 16761 16762 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16763 final PackageSetting ps; 16764 synchronized (mPackages) { 16765 ps = mSettings.mPackages.get(packageName); 16766 if (ps == null) { 16767 Slog.w(TAG, "Failed to find settings for " + packageName); 16768 return false; 16769 } 16770 } 16771 try { 16772 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16773 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16774 ps.getCeDataInode(userId), ps.codePathString, stats); 16775 } catch (InstallerException e) { 16776 Slog.w(TAG, String.valueOf(e)); 16777 return false; 16778 } 16779 16780 // For now, ignore code size of packages on system partition 16781 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16782 stats.codeSize = 0; 16783 } 16784 16785 return true; 16786 } 16787 16788 private int getUidTargetSdkVersionLockedLPr(int uid) { 16789 Object obj = mSettings.getUserIdLPr(uid); 16790 if (obj instanceof SharedUserSetting) { 16791 final SharedUserSetting sus = (SharedUserSetting) obj; 16792 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16793 final Iterator<PackageSetting> it = sus.packages.iterator(); 16794 while (it.hasNext()) { 16795 final PackageSetting ps = it.next(); 16796 if (ps.pkg != null) { 16797 int v = ps.pkg.applicationInfo.targetSdkVersion; 16798 if (v < vers) vers = v; 16799 } 16800 } 16801 return vers; 16802 } else if (obj instanceof PackageSetting) { 16803 final PackageSetting ps = (PackageSetting) obj; 16804 if (ps.pkg != null) { 16805 return ps.pkg.applicationInfo.targetSdkVersion; 16806 } 16807 } 16808 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16809 } 16810 16811 @Override 16812 public void addPreferredActivity(IntentFilter filter, int match, 16813 ComponentName[] set, ComponentName activity, int userId) { 16814 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16815 "Adding preferred"); 16816 } 16817 16818 private void addPreferredActivityInternal(IntentFilter filter, int match, 16819 ComponentName[] set, ComponentName activity, boolean always, int userId, 16820 String opname) { 16821 // writer 16822 int callingUid = Binder.getCallingUid(); 16823 enforceCrossUserPermission(callingUid, userId, 16824 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16825 if (filter.countActions() == 0) { 16826 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16827 return; 16828 } 16829 synchronized (mPackages) { 16830 if (mContext.checkCallingOrSelfPermission( 16831 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16832 != PackageManager.PERMISSION_GRANTED) { 16833 if (getUidTargetSdkVersionLockedLPr(callingUid) 16834 < Build.VERSION_CODES.FROYO) { 16835 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16836 + callingUid); 16837 return; 16838 } 16839 mContext.enforceCallingOrSelfPermission( 16840 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16841 } 16842 16843 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16844 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16845 + userId + ":"); 16846 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16847 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16848 scheduleWritePackageRestrictionsLocked(userId); 16849 postPreferredActivityChangedBroadcast(userId); 16850 } 16851 } 16852 16853 private void postPreferredActivityChangedBroadcast(int userId) { 16854 mHandler.post(() -> { 16855 final IActivityManager am = ActivityManagerNative.getDefault(); 16856 if (am == null) { 16857 return; 16858 } 16859 16860 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 16861 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 16862 try { 16863 am.broadcastIntent(null, intent, null, null, 16864 0, null, null, null, android.app.AppOpsManager.OP_NONE, 16865 null, false, false, userId); 16866 } catch (RemoteException e) { 16867 } 16868 }); 16869 } 16870 16871 @Override 16872 public void replacePreferredActivity(IntentFilter filter, int match, 16873 ComponentName[] set, ComponentName activity, int userId) { 16874 if (filter.countActions() != 1) { 16875 throw new IllegalArgumentException( 16876 "replacePreferredActivity expects filter to have only 1 action."); 16877 } 16878 if (filter.countDataAuthorities() != 0 16879 || filter.countDataPaths() != 0 16880 || filter.countDataSchemes() > 1 16881 || filter.countDataTypes() != 0) { 16882 throw new IllegalArgumentException( 16883 "replacePreferredActivity expects filter to have no data authorities, " + 16884 "paths, or types; and at most one scheme."); 16885 } 16886 16887 final int callingUid = Binder.getCallingUid(); 16888 enforceCrossUserPermission(callingUid, userId, 16889 true /* requireFullPermission */, false /* checkShell */, 16890 "replace preferred activity"); 16891 synchronized (mPackages) { 16892 if (mContext.checkCallingOrSelfPermission( 16893 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16894 != PackageManager.PERMISSION_GRANTED) { 16895 if (getUidTargetSdkVersionLockedLPr(callingUid) 16896 < Build.VERSION_CODES.FROYO) { 16897 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16898 + Binder.getCallingUid()); 16899 return; 16900 } 16901 mContext.enforceCallingOrSelfPermission( 16902 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16903 } 16904 16905 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16906 if (pir != null) { 16907 // Get all of the existing entries that exactly match this filter. 16908 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16909 if (existing != null && existing.size() == 1) { 16910 PreferredActivity cur = existing.get(0); 16911 if (DEBUG_PREFERRED) { 16912 Slog.i(TAG, "Checking replace of preferred:"); 16913 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16914 if (!cur.mPref.mAlways) { 16915 Slog.i(TAG, " -- CUR; not mAlways!"); 16916 } else { 16917 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16918 Slog.i(TAG, " -- CUR: mSet=" 16919 + Arrays.toString(cur.mPref.mSetComponents)); 16920 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16921 Slog.i(TAG, " -- NEW: mMatch=" 16922 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16923 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16924 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16925 } 16926 } 16927 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16928 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16929 && cur.mPref.sameSet(set)) { 16930 // Setting the preferred activity to what it happens to be already 16931 if (DEBUG_PREFERRED) { 16932 Slog.i(TAG, "Replacing with same preferred activity " 16933 + cur.mPref.mShortComponent + " for user " 16934 + userId + ":"); 16935 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16936 } 16937 return; 16938 } 16939 } 16940 16941 if (existing != null) { 16942 if (DEBUG_PREFERRED) { 16943 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16944 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16945 } 16946 for (int i = 0; i < existing.size(); i++) { 16947 PreferredActivity pa = existing.get(i); 16948 if (DEBUG_PREFERRED) { 16949 Slog.i(TAG, "Removing existing preferred activity " 16950 + pa.mPref.mComponent + ":"); 16951 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16952 } 16953 pir.removeFilter(pa); 16954 } 16955 } 16956 } 16957 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16958 "Replacing preferred"); 16959 } 16960 } 16961 16962 @Override 16963 public void clearPackagePreferredActivities(String packageName) { 16964 final int uid = Binder.getCallingUid(); 16965 // writer 16966 synchronized (mPackages) { 16967 PackageParser.Package pkg = mPackages.get(packageName); 16968 if (pkg == null || pkg.applicationInfo.uid != uid) { 16969 if (mContext.checkCallingOrSelfPermission( 16970 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16971 != PackageManager.PERMISSION_GRANTED) { 16972 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16973 < Build.VERSION_CODES.FROYO) { 16974 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16975 + Binder.getCallingUid()); 16976 return; 16977 } 16978 mContext.enforceCallingOrSelfPermission( 16979 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16980 } 16981 } 16982 16983 int user = UserHandle.getCallingUserId(); 16984 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16985 scheduleWritePackageRestrictionsLocked(user); 16986 } 16987 } 16988 } 16989 16990 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16991 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16992 ArrayList<PreferredActivity> removed = null; 16993 boolean changed = false; 16994 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16995 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16996 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16997 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16998 continue; 16999 } 17000 Iterator<PreferredActivity> it = pir.filterIterator(); 17001 while (it.hasNext()) { 17002 PreferredActivity pa = it.next(); 17003 // Mark entry for removal only if it matches the package name 17004 // and the entry is of type "always". 17005 if (packageName == null || 17006 (pa.mPref.mComponent.getPackageName().equals(packageName) 17007 && pa.mPref.mAlways)) { 17008 if (removed == null) { 17009 removed = new ArrayList<PreferredActivity>(); 17010 } 17011 removed.add(pa); 17012 } 17013 } 17014 if (removed != null) { 17015 for (int j=0; j<removed.size(); j++) { 17016 PreferredActivity pa = removed.get(j); 17017 pir.removeFilter(pa); 17018 } 17019 changed = true; 17020 } 17021 } 17022 if (changed) { 17023 postPreferredActivityChangedBroadcast(userId); 17024 } 17025 return changed; 17026 } 17027 17028 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17029 private void clearIntentFilterVerificationsLPw(int userId) { 17030 final int packageCount = mPackages.size(); 17031 for (int i = 0; i < packageCount; i++) { 17032 PackageParser.Package pkg = mPackages.valueAt(i); 17033 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17034 } 17035 } 17036 17037 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17038 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17039 if (userId == UserHandle.USER_ALL) { 17040 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17041 sUserManager.getUserIds())) { 17042 for (int oneUserId : sUserManager.getUserIds()) { 17043 scheduleWritePackageRestrictionsLocked(oneUserId); 17044 } 17045 } 17046 } else { 17047 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17048 scheduleWritePackageRestrictionsLocked(userId); 17049 } 17050 } 17051 } 17052 17053 void clearDefaultBrowserIfNeeded(String packageName) { 17054 for (int oneUserId : sUserManager.getUserIds()) { 17055 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17056 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17057 if (packageName.equals(defaultBrowserPackageName)) { 17058 setDefaultBrowserPackageName(null, oneUserId); 17059 } 17060 } 17061 } 17062 17063 @Override 17064 public void resetApplicationPreferences(int userId) { 17065 mContext.enforceCallingOrSelfPermission( 17066 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17067 final long identity = Binder.clearCallingIdentity(); 17068 // writer 17069 try { 17070 synchronized (mPackages) { 17071 clearPackagePreferredActivitiesLPw(null, userId); 17072 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17073 // TODO: We have to reset the default SMS and Phone. This requires 17074 // significant refactoring to keep all default apps in the package 17075 // manager (cleaner but more work) or have the services provide 17076 // callbacks to the package manager to request a default app reset. 17077 applyFactoryDefaultBrowserLPw(userId); 17078 clearIntentFilterVerificationsLPw(userId); 17079 primeDomainVerificationsLPw(userId); 17080 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17081 scheduleWritePackageRestrictionsLocked(userId); 17082 } 17083 resetNetworkPolicies(userId); 17084 } finally { 17085 Binder.restoreCallingIdentity(identity); 17086 } 17087 } 17088 17089 @Override 17090 public int getPreferredActivities(List<IntentFilter> outFilters, 17091 List<ComponentName> outActivities, String packageName) { 17092 17093 int num = 0; 17094 final int userId = UserHandle.getCallingUserId(); 17095 // reader 17096 synchronized (mPackages) { 17097 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17098 if (pir != null) { 17099 final Iterator<PreferredActivity> it = pir.filterIterator(); 17100 while (it.hasNext()) { 17101 final PreferredActivity pa = it.next(); 17102 if (packageName == null 17103 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17104 && pa.mPref.mAlways)) { 17105 if (outFilters != null) { 17106 outFilters.add(new IntentFilter(pa)); 17107 } 17108 if (outActivities != null) { 17109 outActivities.add(pa.mPref.mComponent); 17110 } 17111 } 17112 } 17113 } 17114 } 17115 17116 return num; 17117 } 17118 17119 @Override 17120 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17121 int userId) { 17122 int callingUid = Binder.getCallingUid(); 17123 if (callingUid != Process.SYSTEM_UID) { 17124 throw new SecurityException( 17125 "addPersistentPreferredActivity can only be run by the system"); 17126 } 17127 if (filter.countActions() == 0) { 17128 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17129 return; 17130 } 17131 synchronized (mPackages) { 17132 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17133 ":"); 17134 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17135 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17136 new PersistentPreferredActivity(filter, activity)); 17137 scheduleWritePackageRestrictionsLocked(userId); 17138 postPreferredActivityChangedBroadcast(userId); 17139 } 17140 } 17141 17142 @Override 17143 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17144 int callingUid = Binder.getCallingUid(); 17145 if (callingUid != Process.SYSTEM_UID) { 17146 throw new SecurityException( 17147 "clearPackagePersistentPreferredActivities can only be run by the system"); 17148 } 17149 ArrayList<PersistentPreferredActivity> removed = null; 17150 boolean changed = false; 17151 synchronized (mPackages) { 17152 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17153 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17154 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17155 .valueAt(i); 17156 if (userId != thisUserId) { 17157 continue; 17158 } 17159 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17160 while (it.hasNext()) { 17161 PersistentPreferredActivity ppa = it.next(); 17162 // Mark entry for removal only if it matches the package name. 17163 if (ppa.mComponent.getPackageName().equals(packageName)) { 17164 if (removed == null) { 17165 removed = new ArrayList<PersistentPreferredActivity>(); 17166 } 17167 removed.add(ppa); 17168 } 17169 } 17170 if (removed != null) { 17171 for (int j=0; j<removed.size(); j++) { 17172 PersistentPreferredActivity ppa = removed.get(j); 17173 ppir.removeFilter(ppa); 17174 } 17175 changed = true; 17176 } 17177 } 17178 17179 if (changed) { 17180 scheduleWritePackageRestrictionsLocked(userId); 17181 postPreferredActivityChangedBroadcast(userId); 17182 } 17183 } 17184 } 17185 17186 /** 17187 * Common machinery for picking apart a restored XML blob and passing 17188 * it to a caller-supplied functor to be applied to the running system. 17189 */ 17190 private void restoreFromXml(XmlPullParser parser, int userId, 17191 String expectedStartTag, BlobXmlRestorer functor) 17192 throws IOException, XmlPullParserException { 17193 int type; 17194 while ((type = parser.next()) != XmlPullParser.START_TAG 17195 && type != XmlPullParser.END_DOCUMENT) { 17196 } 17197 if (type != XmlPullParser.START_TAG) { 17198 // oops didn't find a start tag?! 17199 if (DEBUG_BACKUP) { 17200 Slog.e(TAG, "Didn't find start tag during restore"); 17201 } 17202 return; 17203 } 17204Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17205 // this is supposed to be TAG_PREFERRED_BACKUP 17206 if (!expectedStartTag.equals(parser.getName())) { 17207 if (DEBUG_BACKUP) { 17208 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17209 } 17210 return; 17211 } 17212 17213 // skip interfering stuff, then we're aligned with the backing implementation 17214 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17215Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17216 functor.apply(parser, userId); 17217 } 17218 17219 private interface BlobXmlRestorer { 17220 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17221 } 17222 17223 /** 17224 * Non-Binder method, support for the backup/restore mechanism: write the 17225 * full set of preferred activities in its canonical XML format. Returns the 17226 * XML output as a byte array, or null if there is none. 17227 */ 17228 @Override 17229 public byte[] getPreferredActivityBackup(int userId) { 17230 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17231 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17232 } 17233 17234 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17235 try { 17236 final XmlSerializer serializer = new FastXmlSerializer(); 17237 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17238 serializer.startDocument(null, true); 17239 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17240 17241 synchronized (mPackages) { 17242 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17243 } 17244 17245 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17246 serializer.endDocument(); 17247 serializer.flush(); 17248 } catch (Exception e) { 17249 if (DEBUG_BACKUP) { 17250 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17251 } 17252 return null; 17253 } 17254 17255 return dataStream.toByteArray(); 17256 } 17257 17258 @Override 17259 public void restorePreferredActivities(byte[] backup, int userId) { 17260 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17261 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17262 } 17263 17264 try { 17265 final XmlPullParser parser = Xml.newPullParser(); 17266 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17267 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17268 new BlobXmlRestorer() { 17269 @Override 17270 public void apply(XmlPullParser parser, int userId) 17271 throws XmlPullParserException, IOException { 17272 synchronized (mPackages) { 17273 mSettings.readPreferredActivitiesLPw(parser, userId); 17274 } 17275 } 17276 } ); 17277 } catch (Exception e) { 17278 if (DEBUG_BACKUP) { 17279 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17280 } 17281 } 17282 } 17283 17284 /** 17285 * Non-Binder method, support for the backup/restore mechanism: write the 17286 * default browser (etc) settings in its canonical XML format. Returns the default 17287 * browser XML representation as a byte array, or null if there is none. 17288 */ 17289 @Override 17290 public byte[] getDefaultAppsBackup(int userId) { 17291 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17292 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17293 } 17294 17295 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17296 try { 17297 final XmlSerializer serializer = new FastXmlSerializer(); 17298 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17299 serializer.startDocument(null, true); 17300 serializer.startTag(null, TAG_DEFAULT_APPS); 17301 17302 synchronized (mPackages) { 17303 mSettings.writeDefaultAppsLPr(serializer, userId); 17304 } 17305 17306 serializer.endTag(null, TAG_DEFAULT_APPS); 17307 serializer.endDocument(); 17308 serializer.flush(); 17309 } catch (Exception e) { 17310 if (DEBUG_BACKUP) { 17311 Slog.e(TAG, "Unable to write default apps for backup", e); 17312 } 17313 return null; 17314 } 17315 17316 return dataStream.toByteArray(); 17317 } 17318 17319 @Override 17320 public void restoreDefaultApps(byte[] backup, int userId) { 17321 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17322 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17323 } 17324 17325 try { 17326 final XmlPullParser parser = Xml.newPullParser(); 17327 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17328 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17329 new BlobXmlRestorer() { 17330 @Override 17331 public void apply(XmlPullParser parser, int userId) 17332 throws XmlPullParserException, IOException { 17333 synchronized (mPackages) { 17334 mSettings.readDefaultAppsLPw(parser, userId); 17335 } 17336 } 17337 } ); 17338 } catch (Exception e) { 17339 if (DEBUG_BACKUP) { 17340 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17341 } 17342 } 17343 } 17344 17345 @Override 17346 public byte[] getIntentFilterVerificationBackup(int userId) { 17347 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17348 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17349 } 17350 17351 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17352 try { 17353 final XmlSerializer serializer = new FastXmlSerializer(); 17354 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17355 serializer.startDocument(null, true); 17356 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17357 17358 synchronized (mPackages) { 17359 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17360 } 17361 17362 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17363 serializer.endDocument(); 17364 serializer.flush(); 17365 } catch (Exception e) { 17366 if (DEBUG_BACKUP) { 17367 Slog.e(TAG, "Unable to write default apps for backup", e); 17368 } 17369 return null; 17370 } 17371 17372 return dataStream.toByteArray(); 17373 } 17374 17375 @Override 17376 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17377 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17378 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17379 } 17380 17381 try { 17382 final XmlPullParser parser = Xml.newPullParser(); 17383 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17384 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17385 new BlobXmlRestorer() { 17386 @Override 17387 public void apply(XmlPullParser parser, int userId) 17388 throws XmlPullParserException, IOException { 17389 synchronized (mPackages) { 17390 mSettings.readAllDomainVerificationsLPr(parser, userId); 17391 mSettings.writeLPr(); 17392 } 17393 } 17394 } ); 17395 } catch (Exception e) { 17396 if (DEBUG_BACKUP) { 17397 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17398 } 17399 } 17400 } 17401 17402 @Override 17403 public byte[] getPermissionGrantBackup(int userId) { 17404 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17405 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17406 } 17407 17408 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17409 try { 17410 final XmlSerializer serializer = new FastXmlSerializer(); 17411 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17412 serializer.startDocument(null, true); 17413 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17414 17415 synchronized (mPackages) { 17416 serializeRuntimePermissionGrantsLPr(serializer, userId); 17417 } 17418 17419 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17420 serializer.endDocument(); 17421 serializer.flush(); 17422 } catch (Exception e) { 17423 if (DEBUG_BACKUP) { 17424 Slog.e(TAG, "Unable to write default apps for backup", e); 17425 } 17426 return null; 17427 } 17428 17429 return dataStream.toByteArray(); 17430 } 17431 17432 @Override 17433 public void restorePermissionGrants(byte[] backup, int userId) { 17434 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17435 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17436 } 17437 17438 try { 17439 final XmlPullParser parser = Xml.newPullParser(); 17440 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17441 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17442 new BlobXmlRestorer() { 17443 @Override 17444 public void apply(XmlPullParser parser, int userId) 17445 throws XmlPullParserException, IOException { 17446 synchronized (mPackages) { 17447 processRestoredPermissionGrantsLPr(parser, userId); 17448 } 17449 } 17450 } ); 17451 } catch (Exception e) { 17452 if (DEBUG_BACKUP) { 17453 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17454 } 17455 } 17456 } 17457 17458 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17459 throws IOException { 17460 serializer.startTag(null, TAG_ALL_GRANTS); 17461 17462 final int N = mSettings.mPackages.size(); 17463 for (int i = 0; i < N; i++) { 17464 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17465 boolean pkgGrantsKnown = false; 17466 17467 PermissionsState packagePerms = ps.getPermissionsState(); 17468 17469 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17470 final int grantFlags = state.getFlags(); 17471 // only look at grants that are not system/policy fixed 17472 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17473 final boolean isGranted = state.isGranted(); 17474 // And only back up the user-twiddled state bits 17475 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17476 final String packageName = mSettings.mPackages.keyAt(i); 17477 if (!pkgGrantsKnown) { 17478 serializer.startTag(null, TAG_GRANT); 17479 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17480 pkgGrantsKnown = true; 17481 } 17482 17483 final boolean userSet = 17484 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17485 final boolean userFixed = 17486 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17487 final boolean revoke = 17488 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17489 17490 serializer.startTag(null, TAG_PERMISSION); 17491 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17492 if (isGranted) { 17493 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17494 } 17495 if (userSet) { 17496 serializer.attribute(null, ATTR_USER_SET, "true"); 17497 } 17498 if (userFixed) { 17499 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17500 } 17501 if (revoke) { 17502 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17503 } 17504 serializer.endTag(null, TAG_PERMISSION); 17505 } 17506 } 17507 } 17508 17509 if (pkgGrantsKnown) { 17510 serializer.endTag(null, TAG_GRANT); 17511 } 17512 } 17513 17514 serializer.endTag(null, TAG_ALL_GRANTS); 17515 } 17516 17517 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17518 throws XmlPullParserException, IOException { 17519 String pkgName = null; 17520 int outerDepth = parser.getDepth(); 17521 int type; 17522 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17523 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17524 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17525 continue; 17526 } 17527 17528 final String tagName = parser.getName(); 17529 if (tagName.equals(TAG_GRANT)) { 17530 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17531 if (DEBUG_BACKUP) { 17532 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17533 } 17534 } else if (tagName.equals(TAG_PERMISSION)) { 17535 17536 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17537 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17538 17539 int newFlagSet = 0; 17540 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17541 newFlagSet |= FLAG_PERMISSION_USER_SET; 17542 } 17543 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17544 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17545 } 17546 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17547 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17548 } 17549 if (DEBUG_BACKUP) { 17550 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17551 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17552 } 17553 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17554 if (ps != null) { 17555 // Already installed so we apply the grant immediately 17556 if (DEBUG_BACKUP) { 17557 Slog.v(TAG, " + already installed; applying"); 17558 } 17559 PermissionsState perms = ps.getPermissionsState(); 17560 BasePermission bp = mSettings.mPermissions.get(permName); 17561 if (bp != null) { 17562 if (isGranted) { 17563 perms.grantRuntimePermission(bp, userId); 17564 } 17565 if (newFlagSet != 0) { 17566 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17567 } 17568 } 17569 } else { 17570 // Need to wait for post-restore install to apply the grant 17571 if (DEBUG_BACKUP) { 17572 Slog.v(TAG, " - not yet installed; saving for later"); 17573 } 17574 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17575 isGranted, newFlagSet, userId); 17576 } 17577 } else { 17578 PackageManagerService.reportSettingsProblem(Log.WARN, 17579 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17580 XmlUtils.skipCurrentTag(parser); 17581 } 17582 } 17583 17584 scheduleWriteSettingsLocked(); 17585 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17586 } 17587 17588 @Override 17589 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17590 int sourceUserId, int targetUserId, int flags) { 17591 mContext.enforceCallingOrSelfPermission( 17592 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17593 int callingUid = Binder.getCallingUid(); 17594 enforceOwnerRights(ownerPackage, callingUid); 17595 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17596 if (intentFilter.countActions() == 0) { 17597 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17598 return; 17599 } 17600 synchronized (mPackages) { 17601 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17602 ownerPackage, targetUserId, flags); 17603 CrossProfileIntentResolver resolver = 17604 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17605 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17606 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17607 if (existing != null) { 17608 int size = existing.size(); 17609 for (int i = 0; i < size; i++) { 17610 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17611 return; 17612 } 17613 } 17614 } 17615 resolver.addFilter(newFilter); 17616 scheduleWritePackageRestrictionsLocked(sourceUserId); 17617 } 17618 } 17619 17620 @Override 17621 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17622 mContext.enforceCallingOrSelfPermission( 17623 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17624 int callingUid = Binder.getCallingUid(); 17625 enforceOwnerRights(ownerPackage, callingUid); 17626 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17627 synchronized (mPackages) { 17628 CrossProfileIntentResolver resolver = 17629 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17630 ArraySet<CrossProfileIntentFilter> set = 17631 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17632 for (CrossProfileIntentFilter filter : set) { 17633 if (filter.getOwnerPackage().equals(ownerPackage)) { 17634 resolver.removeFilter(filter); 17635 } 17636 } 17637 scheduleWritePackageRestrictionsLocked(sourceUserId); 17638 } 17639 } 17640 17641 // Enforcing that callingUid is owning pkg on userId 17642 private void enforceOwnerRights(String pkg, int callingUid) { 17643 // The system owns everything. 17644 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17645 return; 17646 } 17647 int callingUserId = UserHandle.getUserId(callingUid); 17648 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17649 if (pi == null) { 17650 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17651 + callingUserId); 17652 } 17653 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17654 throw new SecurityException("Calling uid " + callingUid 17655 + " does not own package " + pkg); 17656 } 17657 } 17658 17659 @Override 17660 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17661 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17662 } 17663 17664 private Intent getHomeIntent() { 17665 Intent intent = new Intent(Intent.ACTION_MAIN); 17666 intent.addCategory(Intent.CATEGORY_HOME); 17667 intent.addCategory(Intent.CATEGORY_DEFAULT); 17668 return intent; 17669 } 17670 17671 private IntentFilter getHomeFilter() { 17672 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17673 filter.addCategory(Intent.CATEGORY_HOME); 17674 filter.addCategory(Intent.CATEGORY_DEFAULT); 17675 return filter; 17676 } 17677 17678 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17679 int userId) { 17680 Intent intent = getHomeIntent(); 17681 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17682 PackageManager.GET_META_DATA, userId); 17683 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17684 true, false, false, userId); 17685 17686 allHomeCandidates.clear(); 17687 if (list != null) { 17688 for (ResolveInfo ri : list) { 17689 allHomeCandidates.add(ri); 17690 } 17691 } 17692 return (preferred == null || preferred.activityInfo == null) 17693 ? null 17694 : new ComponentName(preferred.activityInfo.packageName, 17695 preferred.activityInfo.name); 17696 } 17697 17698 @Override 17699 public void setHomeActivity(ComponentName comp, int userId) { 17700 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17701 getHomeActivitiesAsUser(homeActivities, userId); 17702 17703 boolean found = false; 17704 17705 final int size = homeActivities.size(); 17706 final ComponentName[] set = new ComponentName[size]; 17707 for (int i = 0; i < size; i++) { 17708 final ResolveInfo candidate = homeActivities.get(i); 17709 final ActivityInfo info = candidate.activityInfo; 17710 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17711 set[i] = activityName; 17712 if (!found && activityName.equals(comp)) { 17713 found = true; 17714 } 17715 } 17716 if (!found) { 17717 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17718 + userId); 17719 } 17720 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17721 set, comp, userId); 17722 } 17723 17724 private @Nullable String getSetupWizardPackageName() { 17725 final Intent intent = new Intent(Intent.ACTION_MAIN); 17726 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17727 17728 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17729 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17730 | MATCH_DISABLED_COMPONENTS, 17731 UserHandle.myUserId()); 17732 if (matches.size() == 1) { 17733 return matches.get(0).getComponentInfo().packageName; 17734 } else { 17735 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17736 + ": matches=" + matches); 17737 return null; 17738 } 17739 } 17740 17741 private @Nullable String getStorageManagerPackageName() { 17742 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 17743 17744 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17745 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17746 | MATCH_DISABLED_COMPONENTS, 17747 UserHandle.myUserId()); 17748 if (matches.size() == 1) { 17749 return matches.get(0).getComponentInfo().packageName; 17750 } else { 17751 Slog.e(TAG, "There should probably be exactly one storage manager; found " 17752 + matches.size() + ": matches=" + matches); 17753 return null; 17754 } 17755 } 17756 17757 @Override 17758 public void setApplicationEnabledSetting(String appPackageName, 17759 int newState, int flags, int userId, String callingPackage) { 17760 if (!sUserManager.exists(userId)) return; 17761 if (callingPackage == null) { 17762 callingPackage = Integer.toString(Binder.getCallingUid()); 17763 } 17764 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17765 } 17766 17767 @Override 17768 public void setComponentEnabledSetting(ComponentName componentName, 17769 int newState, int flags, int userId) { 17770 if (!sUserManager.exists(userId)) return; 17771 setEnabledSetting(componentName.getPackageName(), 17772 componentName.getClassName(), newState, flags, userId, null); 17773 } 17774 17775 private void setEnabledSetting(final String packageName, String className, int newState, 17776 final int flags, int userId, String callingPackage) { 17777 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17778 || newState == COMPONENT_ENABLED_STATE_ENABLED 17779 || newState == COMPONENT_ENABLED_STATE_DISABLED 17780 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17781 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17782 throw new IllegalArgumentException("Invalid new component state: " 17783 + newState); 17784 } 17785 PackageSetting pkgSetting; 17786 final int uid = Binder.getCallingUid(); 17787 final int permission; 17788 if (uid == Process.SYSTEM_UID) { 17789 permission = PackageManager.PERMISSION_GRANTED; 17790 } else { 17791 permission = mContext.checkCallingOrSelfPermission( 17792 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17793 } 17794 enforceCrossUserPermission(uid, userId, 17795 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17796 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17797 boolean sendNow = false; 17798 boolean isApp = (className == null); 17799 String componentName = isApp ? packageName : className; 17800 int packageUid = -1; 17801 ArrayList<String> components; 17802 17803 // writer 17804 synchronized (mPackages) { 17805 pkgSetting = mSettings.mPackages.get(packageName); 17806 if (pkgSetting == null) { 17807 if (className == null) { 17808 throw new IllegalArgumentException("Unknown package: " + packageName); 17809 } 17810 throw new IllegalArgumentException( 17811 "Unknown component: " + packageName + "/" + className); 17812 } 17813 } 17814 17815 // Limit who can change which apps 17816 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17817 // Don't allow apps that don't have permission to modify other apps 17818 if (!allowedByPermission) { 17819 throw new SecurityException( 17820 "Permission Denial: attempt to change component state from pid=" 17821 + Binder.getCallingPid() 17822 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17823 } 17824 // Don't allow changing protected packages. 17825 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17826 throw new SecurityException("Cannot disable a protected package: " + packageName); 17827 } 17828 } 17829 17830 synchronized (mPackages) { 17831 if (uid == Process.SHELL_UID) { 17832 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17833 int oldState = pkgSetting.getEnabled(userId); 17834 if (className == null 17835 && 17836 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17837 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17838 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17839 && 17840 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17841 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17842 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17843 // ok 17844 } else { 17845 throw new SecurityException( 17846 "Shell cannot change component state for " + packageName + "/" 17847 + className + " to " + newState); 17848 } 17849 } 17850 if (className == null) { 17851 // We're dealing with an application/package level state change 17852 if (pkgSetting.getEnabled(userId) == newState) { 17853 // Nothing to do 17854 return; 17855 } 17856 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17857 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17858 // Don't care about who enables an app. 17859 callingPackage = null; 17860 } 17861 pkgSetting.setEnabled(newState, userId, callingPackage); 17862 // pkgSetting.pkg.mSetEnabled = newState; 17863 } else { 17864 // We're dealing with a component level state change 17865 // First, verify that this is a valid class name. 17866 PackageParser.Package pkg = pkgSetting.pkg; 17867 if (pkg == null || !pkg.hasComponentClassName(className)) { 17868 if (pkg != null && 17869 pkg.applicationInfo.targetSdkVersion >= 17870 Build.VERSION_CODES.JELLY_BEAN) { 17871 throw new IllegalArgumentException("Component class " + className 17872 + " does not exist in " + packageName); 17873 } else { 17874 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17875 + className + " does not exist in " + packageName); 17876 } 17877 } 17878 switch (newState) { 17879 case COMPONENT_ENABLED_STATE_ENABLED: 17880 if (!pkgSetting.enableComponentLPw(className, userId)) { 17881 return; 17882 } 17883 break; 17884 case COMPONENT_ENABLED_STATE_DISABLED: 17885 if (!pkgSetting.disableComponentLPw(className, userId)) { 17886 return; 17887 } 17888 break; 17889 case COMPONENT_ENABLED_STATE_DEFAULT: 17890 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17891 return; 17892 } 17893 break; 17894 default: 17895 Slog.e(TAG, "Invalid new component state: " + newState); 17896 return; 17897 } 17898 } 17899 scheduleWritePackageRestrictionsLocked(userId); 17900 components = mPendingBroadcasts.get(userId, packageName); 17901 final boolean newPackage = components == null; 17902 if (newPackage) { 17903 components = new ArrayList<String>(); 17904 } 17905 if (!components.contains(componentName)) { 17906 components.add(componentName); 17907 } 17908 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17909 sendNow = true; 17910 // Purge entry from pending broadcast list if another one exists already 17911 // since we are sending one right away. 17912 mPendingBroadcasts.remove(userId, packageName); 17913 } else { 17914 if (newPackage) { 17915 mPendingBroadcasts.put(userId, packageName, components); 17916 } 17917 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17918 // Schedule a message 17919 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17920 } 17921 } 17922 } 17923 17924 long callingId = Binder.clearCallingIdentity(); 17925 try { 17926 if (sendNow) { 17927 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17928 sendPackageChangedBroadcast(packageName, 17929 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17930 } 17931 } finally { 17932 Binder.restoreCallingIdentity(callingId); 17933 } 17934 } 17935 17936 @Override 17937 public void flushPackageRestrictionsAsUser(int userId) { 17938 if (!sUserManager.exists(userId)) { 17939 return; 17940 } 17941 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17942 false /* checkShell */, "flushPackageRestrictions"); 17943 synchronized (mPackages) { 17944 mSettings.writePackageRestrictionsLPr(userId); 17945 mDirtyUsers.remove(userId); 17946 if (mDirtyUsers.isEmpty()) { 17947 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17948 } 17949 } 17950 } 17951 17952 private void sendPackageChangedBroadcast(String packageName, 17953 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17954 if (DEBUG_INSTALL) 17955 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17956 + componentNames); 17957 Bundle extras = new Bundle(4); 17958 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17959 String nameList[] = new String[componentNames.size()]; 17960 componentNames.toArray(nameList); 17961 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17962 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17963 extras.putInt(Intent.EXTRA_UID, packageUid); 17964 // If this is not reporting a change of the overall package, then only send it 17965 // to registered receivers. We don't want to launch a swath of apps for every 17966 // little component state change. 17967 final int flags = !componentNames.contains(packageName) 17968 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17969 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17970 new int[] {UserHandle.getUserId(packageUid)}); 17971 } 17972 17973 @Override 17974 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17975 if (!sUserManager.exists(userId)) return; 17976 final int uid = Binder.getCallingUid(); 17977 final int permission = mContext.checkCallingOrSelfPermission( 17978 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17979 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17980 enforceCrossUserPermission(uid, userId, 17981 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17982 // writer 17983 synchronized (mPackages) { 17984 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17985 allowedByPermission, uid, userId)) { 17986 scheduleWritePackageRestrictionsLocked(userId); 17987 } 17988 } 17989 } 17990 17991 @Override 17992 public String getInstallerPackageName(String packageName) { 17993 // reader 17994 synchronized (mPackages) { 17995 return mSettings.getInstallerPackageNameLPr(packageName); 17996 } 17997 } 17998 17999 public boolean isOrphaned(String packageName) { 18000 // reader 18001 synchronized (mPackages) { 18002 return mSettings.isOrphaned(packageName); 18003 } 18004 } 18005 18006 @Override 18007 public int getApplicationEnabledSetting(String packageName, int userId) { 18008 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18009 int uid = Binder.getCallingUid(); 18010 enforceCrossUserPermission(uid, userId, 18011 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18012 // reader 18013 synchronized (mPackages) { 18014 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18015 } 18016 } 18017 18018 @Override 18019 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18020 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18021 int uid = Binder.getCallingUid(); 18022 enforceCrossUserPermission(uid, userId, 18023 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18024 // reader 18025 synchronized (mPackages) { 18026 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18027 } 18028 } 18029 18030 @Override 18031 public void enterSafeMode() { 18032 enforceSystemOrRoot("Only the system can request entering safe mode"); 18033 18034 if (!mSystemReady) { 18035 mSafeMode = true; 18036 } 18037 } 18038 18039 @Override 18040 public void systemReady() { 18041 mSystemReady = true; 18042 18043 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18044 // disabled after already being started. 18045 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18046 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18047 18048 // Read the compatibilty setting when the system is ready. 18049 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18050 mContext.getContentResolver(), 18051 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18052 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18053 if (DEBUG_SETTINGS) { 18054 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18055 } 18056 18057 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18058 18059 synchronized (mPackages) { 18060 // Verify that all of the preferred activity components actually 18061 // exist. It is possible for applications to be updated and at 18062 // that point remove a previously declared activity component that 18063 // had been set as a preferred activity. We try to clean this up 18064 // the next time we encounter that preferred activity, but it is 18065 // possible for the user flow to never be able to return to that 18066 // situation so here we do a sanity check to make sure we haven't 18067 // left any junk around. 18068 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18069 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18070 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18071 removed.clear(); 18072 for (PreferredActivity pa : pir.filterSet()) { 18073 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18074 removed.add(pa); 18075 } 18076 } 18077 if (removed.size() > 0) { 18078 for (int r=0; r<removed.size(); r++) { 18079 PreferredActivity pa = removed.get(r); 18080 Slog.w(TAG, "Removing dangling preferred activity: " 18081 + pa.mPref.mComponent); 18082 pir.removeFilter(pa); 18083 } 18084 mSettings.writePackageRestrictionsLPr( 18085 mSettings.mPreferredActivities.keyAt(i)); 18086 } 18087 } 18088 18089 for (int userId : UserManagerService.getInstance().getUserIds()) { 18090 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18091 grantPermissionsUserIds = ArrayUtils.appendInt( 18092 grantPermissionsUserIds, userId); 18093 } 18094 } 18095 } 18096 sUserManager.systemReady(); 18097 18098 // If we upgraded grant all default permissions before kicking off. 18099 for (int userId : grantPermissionsUserIds) { 18100 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18101 } 18102 18103 // If we did not grant default permissions, we preload from this the 18104 // default permission exceptions lazily to ensure we don't hit the 18105 // disk on a new user creation. 18106 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18107 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18108 } 18109 18110 // Kick off any messages waiting for system ready 18111 if (mPostSystemReadyMessages != null) { 18112 for (Message msg : mPostSystemReadyMessages) { 18113 msg.sendToTarget(); 18114 } 18115 mPostSystemReadyMessages = null; 18116 } 18117 18118 // Watch for external volumes that come and go over time 18119 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18120 storage.registerListener(mStorageListener); 18121 18122 mInstallerService.systemReady(); 18123 mPackageDexOptimizer.systemReady(); 18124 18125 MountServiceInternal mountServiceInternal = LocalServices.getService( 18126 MountServiceInternal.class); 18127 mountServiceInternal.addExternalStoragePolicy( 18128 new MountServiceInternal.ExternalStorageMountPolicy() { 18129 @Override 18130 public int getMountMode(int uid, String packageName) { 18131 if (Process.isIsolated(uid)) { 18132 return Zygote.MOUNT_EXTERNAL_NONE; 18133 } 18134 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18135 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18136 } 18137 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18138 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18139 } 18140 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18141 return Zygote.MOUNT_EXTERNAL_READ; 18142 } 18143 return Zygote.MOUNT_EXTERNAL_WRITE; 18144 } 18145 18146 @Override 18147 public boolean hasExternalStorage(int uid, String packageName) { 18148 return true; 18149 } 18150 }); 18151 18152 // Now that we're mostly running, clean up stale users and apps 18153 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18154 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18155 } 18156 18157 @Override 18158 public boolean isSafeMode() { 18159 return mSafeMode; 18160 } 18161 18162 @Override 18163 public boolean hasSystemUidErrors() { 18164 return mHasSystemUidErrors; 18165 } 18166 18167 static String arrayToString(int[] array) { 18168 StringBuffer buf = new StringBuffer(128); 18169 buf.append('['); 18170 if (array != null) { 18171 for (int i=0; i<array.length; i++) { 18172 if (i > 0) buf.append(", "); 18173 buf.append(array[i]); 18174 } 18175 } 18176 buf.append(']'); 18177 return buf.toString(); 18178 } 18179 18180 static class DumpState { 18181 public static final int DUMP_LIBS = 1 << 0; 18182 public static final int DUMP_FEATURES = 1 << 1; 18183 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18184 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18185 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18186 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18187 public static final int DUMP_PERMISSIONS = 1 << 6; 18188 public static final int DUMP_PACKAGES = 1 << 7; 18189 public static final int DUMP_SHARED_USERS = 1 << 8; 18190 public static final int DUMP_MESSAGES = 1 << 9; 18191 public static final int DUMP_PROVIDERS = 1 << 10; 18192 public static final int DUMP_VERIFIERS = 1 << 11; 18193 public static final int DUMP_PREFERRED = 1 << 12; 18194 public static final int DUMP_PREFERRED_XML = 1 << 13; 18195 public static final int DUMP_KEYSETS = 1 << 14; 18196 public static final int DUMP_VERSION = 1 << 15; 18197 public static final int DUMP_INSTALLS = 1 << 16; 18198 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18199 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18200 public static final int DUMP_FROZEN = 1 << 19; 18201 public static final int DUMP_DEXOPT = 1 << 20; 18202 public static final int DUMP_COMPILER_STATS = 1 << 21; 18203 18204 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18205 18206 private int mTypes; 18207 18208 private int mOptions; 18209 18210 private boolean mTitlePrinted; 18211 18212 private SharedUserSetting mSharedUser; 18213 18214 public boolean isDumping(int type) { 18215 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18216 return true; 18217 } 18218 18219 return (mTypes & type) != 0; 18220 } 18221 18222 public void setDump(int type) { 18223 mTypes |= type; 18224 } 18225 18226 public boolean isOptionEnabled(int option) { 18227 return (mOptions & option) != 0; 18228 } 18229 18230 public void setOptionEnabled(int option) { 18231 mOptions |= option; 18232 } 18233 18234 public boolean onTitlePrinted() { 18235 final boolean printed = mTitlePrinted; 18236 mTitlePrinted = true; 18237 return printed; 18238 } 18239 18240 public boolean getTitlePrinted() { 18241 return mTitlePrinted; 18242 } 18243 18244 public void setTitlePrinted(boolean enabled) { 18245 mTitlePrinted = enabled; 18246 } 18247 18248 public SharedUserSetting getSharedUser() { 18249 return mSharedUser; 18250 } 18251 18252 public void setSharedUser(SharedUserSetting user) { 18253 mSharedUser = user; 18254 } 18255 } 18256 18257 @Override 18258 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18259 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18260 (new PackageManagerShellCommand(this)).exec( 18261 this, in, out, err, args, resultReceiver); 18262 } 18263 18264 @Override 18265 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18266 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18267 != PackageManager.PERMISSION_GRANTED) { 18268 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18269 + Binder.getCallingPid() 18270 + ", uid=" + Binder.getCallingUid() 18271 + " without permission " 18272 + android.Manifest.permission.DUMP); 18273 return; 18274 } 18275 18276 DumpState dumpState = new DumpState(); 18277 boolean fullPreferred = false; 18278 boolean checkin = false; 18279 18280 String packageName = null; 18281 ArraySet<String> permissionNames = null; 18282 18283 int opti = 0; 18284 while (opti < args.length) { 18285 String opt = args[opti]; 18286 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18287 break; 18288 } 18289 opti++; 18290 18291 if ("-a".equals(opt)) { 18292 // Right now we only know how to print all. 18293 } else if ("-h".equals(opt)) { 18294 pw.println("Package manager dump options:"); 18295 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18296 pw.println(" --checkin: dump for a checkin"); 18297 pw.println(" -f: print details of intent filters"); 18298 pw.println(" -h: print this help"); 18299 pw.println(" cmd may be one of:"); 18300 pw.println(" l[ibraries]: list known shared libraries"); 18301 pw.println(" f[eatures]: list device features"); 18302 pw.println(" k[eysets]: print known keysets"); 18303 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18304 pw.println(" perm[issions]: dump permissions"); 18305 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18306 pw.println(" pref[erred]: print preferred package settings"); 18307 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18308 pw.println(" prov[iders]: dump content providers"); 18309 pw.println(" p[ackages]: dump installed packages"); 18310 pw.println(" s[hared-users]: dump shared user IDs"); 18311 pw.println(" m[essages]: print collected runtime messages"); 18312 pw.println(" v[erifiers]: print package verifier info"); 18313 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18314 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18315 pw.println(" version: print database version info"); 18316 pw.println(" write: write current settings now"); 18317 pw.println(" installs: details about install sessions"); 18318 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18319 pw.println(" dexopt: dump dexopt state"); 18320 pw.println(" compiler-stats: dump compiler statistics"); 18321 pw.println(" <package.name>: info about given package"); 18322 return; 18323 } else if ("--checkin".equals(opt)) { 18324 checkin = true; 18325 } else if ("-f".equals(opt)) { 18326 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18327 } else { 18328 pw.println("Unknown argument: " + opt + "; use -h for help"); 18329 } 18330 } 18331 18332 // Is the caller requesting to dump a particular piece of data? 18333 if (opti < args.length) { 18334 String cmd = args[opti]; 18335 opti++; 18336 // Is this a package name? 18337 if ("android".equals(cmd) || cmd.contains(".")) { 18338 packageName = cmd; 18339 // When dumping a single package, we always dump all of its 18340 // filter information since the amount of data will be reasonable. 18341 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18342 } else if ("check-permission".equals(cmd)) { 18343 if (opti >= args.length) { 18344 pw.println("Error: check-permission missing permission argument"); 18345 return; 18346 } 18347 String perm = args[opti]; 18348 opti++; 18349 if (opti >= args.length) { 18350 pw.println("Error: check-permission missing package argument"); 18351 return; 18352 } 18353 String pkg = args[opti]; 18354 opti++; 18355 int user = UserHandle.getUserId(Binder.getCallingUid()); 18356 if (opti < args.length) { 18357 try { 18358 user = Integer.parseInt(args[opti]); 18359 } catch (NumberFormatException e) { 18360 pw.println("Error: check-permission user argument is not a number: " 18361 + args[opti]); 18362 return; 18363 } 18364 } 18365 pw.println(checkPermission(perm, pkg, user)); 18366 return; 18367 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18368 dumpState.setDump(DumpState.DUMP_LIBS); 18369 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18370 dumpState.setDump(DumpState.DUMP_FEATURES); 18371 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18372 if (opti >= args.length) { 18373 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18374 | DumpState.DUMP_SERVICE_RESOLVERS 18375 | DumpState.DUMP_RECEIVER_RESOLVERS 18376 | DumpState.DUMP_CONTENT_RESOLVERS); 18377 } else { 18378 while (opti < args.length) { 18379 String name = args[opti]; 18380 if ("a".equals(name) || "activity".equals(name)) { 18381 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18382 } else if ("s".equals(name) || "service".equals(name)) { 18383 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18384 } else if ("r".equals(name) || "receiver".equals(name)) { 18385 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18386 } else if ("c".equals(name) || "content".equals(name)) { 18387 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18388 } else { 18389 pw.println("Error: unknown resolver table type: " + name); 18390 return; 18391 } 18392 opti++; 18393 } 18394 } 18395 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18396 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18397 } else if ("permission".equals(cmd)) { 18398 if (opti >= args.length) { 18399 pw.println("Error: permission requires permission name"); 18400 return; 18401 } 18402 permissionNames = new ArraySet<>(); 18403 while (opti < args.length) { 18404 permissionNames.add(args[opti]); 18405 opti++; 18406 } 18407 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18408 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18409 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18410 dumpState.setDump(DumpState.DUMP_PREFERRED); 18411 } else if ("preferred-xml".equals(cmd)) { 18412 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18413 if (opti < args.length && "--full".equals(args[opti])) { 18414 fullPreferred = true; 18415 opti++; 18416 } 18417 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18418 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18419 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18420 dumpState.setDump(DumpState.DUMP_PACKAGES); 18421 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18422 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18423 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18424 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18425 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18426 dumpState.setDump(DumpState.DUMP_MESSAGES); 18427 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18428 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18429 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18430 || "intent-filter-verifiers".equals(cmd)) { 18431 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18432 } else if ("version".equals(cmd)) { 18433 dumpState.setDump(DumpState.DUMP_VERSION); 18434 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18435 dumpState.setDump(DumpState.DUMP_KEYSETS); 18436 } else if ("installs".equals(cmd)) { 18437 dumpState.setDump(DumpState.DUMP_INSTALLS); 18438 } else if ("frozen".equals(cmd)) { 18439 dumpState.setDump(DumpState.DUMP_FROZEN); 18440 } else if ("dexopt".equals(cmd)) { 18441 dumpState.setDump(DumpState.DUMP_DEXOPT); 18442 } else if ("compiler-stats".equals(cmd)) { 18443 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18444 } else if ("write".equals(cmd)) { 18445 synchronized (mPackages) { 18446 mSettings.writeLPr(); 18447 pw.println("Settings written."); 18448 return; 18449 } 18450 } 18451 } 18452 18453 if (checkin) { 18454 pw.println("vers,1"); 18455 } 18456 18457 // reader 18458 synchronized (mPackages) { 18459 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18460 if (!checkin) { 18461 if (dumpState.onTitlePrinted()) 18462 pw.println(); 18463 pw.println("Database versions:"); 18464 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18465 } 18466 } 18467 18468 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18469 if (!checkin) { 18470 if (dumpState.onTitlePrinted()) 18471 pw.println(); 18472 pw.println("Verifiers:"); 18473 pw.print(" Required: "); 18474 pw.print(mRequiredVerifierPackage); 18475 pw.print(" (uid="); 18476 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18477 UserHandle.USER_SYSTEM)); 18478 pw.println(")"); 18479 } else if (mRequiredVerifierPackage != null) { 18480 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18481 pw.print(","); 18482 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18483 UserHandle.USER_SYSTEM)); 18484 } 18485 } 18486 18487 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18488 packageName == null) { 18489 if (mIntentFilterVerifierComponent != null) { 18490 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18491 if (!checkin) { 18492 if (dumpState.onTitlePrinted()) 18493 pw.println(); 18494 pw.println("Intent Filter Verifier:"); 18495 pw.print(" Using: "); 18496 pw.print(verifierPackageName); 18497 pw.print(" (uid="); 18498 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18499 UserHandle.USER_SYSTEM)); 18500 pw.println(")"); 18501 } else if (verifierPackageName != null) { 18502 pw.print("ifv,"); pw.print(verifierPackageName); 18503 pw.print(","); 18504 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18505 UserHandle.USER_SYSTEM)); 18506 } 18507 } else { 18508 pw.println(); 18509 pw.println("No Intent Filter Verifier available!"); 18510 } 18511 } 18512 18513 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18514 boolean printedHeader = false; 18515 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18516 while (it.hasNext()) { 18517 String name = it.next(); 18518 SharedLibraryEntry ent = mSharedLibraries.get(name); 18519 if (!checkin) { 18520 if (!printedHeader) { 18521 if (dumpState.onTitlePrinted()) 18522 pw.println(); 18523 pw.println("Libraries:"); 18524 printedHeader = true; 18525 } 18526 pw.print(" "); 18527 } else { 18528 pw.print("lib,"); 18529 } 18530 pw.print(name); 18531 if (!checkin) { 18532 pw.print(" -> "); 18533 } 18534 if (ent.path != null) { 18535 if (!checkin) { 18536 pw.print("(jar) "); 18537 pw.print(ent.path); 18538 } else { 18539 pw.print(",jar,"); 18540 pw.print(ent.path); 18541 } 18542 } else { 18543 if (!checkin) { 18544 pw.print("(apk) "); 18545 pw.print(ent.apk); 18546 } else { 18547 pw.print(",apk,"); 18548 pw.print(ent.apk); 18549 } 18550 } 18551 pw.println(); 18552 } 18553 } 18554 18555 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18556 if (dumpState.onTitlePrinted()) 18557 pw.println(); 18558 if (!checkin) { 18559 pw.println("Features:"); 18560 } 18561 18562 for (FeatureInfo feat : mAvailableFeatures.values()) { 18563 if (checkin) { 18564 pw.print("feat,"); 18565 pw.print(feat.name); 18566 pw.print(","); 18567 pw.println(feat.version); 18568 } else { 18569 pw.print(" "); 18570 pw.print(feat.name); 18571 if (feat.version > 0) { 18572 pw.print(" version="); 18573 pw.print(feat.version); 18574 } 18575 pw.println(); 18576 } 18577 } 18578 } 18579 18580 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18581 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18582 : "Activity Resolver Table:", " ", packageName, 18583 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18584 dumpState.setTitlePrinted(true); 18585 } 18586 } 18587 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18588 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18589 : "Receiver Resolver Table:", " ", packageName, 18590 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18591 dumpState.setTitlePrinted(true); 18592 } 18593 } 18594 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18595 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18596 : "Service Resolver Table:", " ", packageName, 18597 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18598 dumpState.setTitlePrinted(true); 18599 } 18600 } 18601 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18602 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18603 : "Provider Resolver Table:", " ", packageName, 18604 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18605 dumpState.setTitlePrinted(true); 18606 } 18607 } 18608 18609 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18610 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18611 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18612 int user = mSettings.mPreferredActivities.keyAt(i); 18613 if (pir.dump(pw, 18614 dumpState.getTitlePrinted() 18615 ? "\nPreferred Activities User " + user + ":" 18616 : "Preferred Activities User " + user + ":", " ", 18617 packageName, true, false)) { 18618 dumpState.setTitlePrinted(true); 18619 } 18620 } 18621 } 18622 18623 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18624 pw.flush(); 18625 FileOutputStream fout = new FileOutputStream(fd); 18626 BufferedOutputStream str = new BufferedOutputStream(fout); 18627 XmlSerializer serializer = new FastXmlSerializer(); 18628 try { 18629 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18630 serializer.startDocument(null, true); 18631 serializer.setFeature( 18632 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18633 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18634 serializer.endDocument(); 18635 serializer.flush(); 18636 } catch (IllegalArgumentException e) { 18637 pw.println("Failed writing: " + e); 18638 } catch (IllegalStateException e) { 18639 pw.println("Failed writing: " + e); 18640 } catch (IOException e) { 18641 pw.println("Failed writing: " + e); 18642 } 18643 } 18644 18645 if (!checkin 18646 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18647 && packageName == null) { 18648 pw.println(); 18649 int count = mSettings.mPackages.size(); 18650 if (count == 0) { 18651 pw.println("No applications!"); 18652 pw.println(); 18653 } else { 18654 final String prefix = " "; 18655 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18656 if (allPackageSettings.size() == 0) { 18657 pw.println("No domain preferred apps!"); 18658 pw.println(); 18659 } else { 18660 pw.println("App verification status:"); 18661 pw.println(); 18662 count = 0; 18663 for (PackageSetting ps : allPackageSettings) { 18664 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18665 if (ivi == null || ivi.getPackageName() == null) continue; 18666 pw.println(prefix + "Package: " + ivi.getPackageName()); 18667 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18668 pw.println(prefix + "Status: " + ivi.getStatusString()); 18669 pw.println(); 18670 count++; 18671 } 18672 if (count == 0) { 18673 pw.println(prefix + "No app verification established."); 18674 pw.println(); 18675 } 18676 for (int userId : sUserManager.getUserIds()) { 18677 pw.println("App linkages for user " + userId + ":"); 18678 pw.println(); 18679 count = 0; 18680 for (PackageSetting ps : allPackageSettings) { 18681 final long status = ps.getDomainVerificationStatusForUser(userId); 18682 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18683 continue; 18684 } 18685 pw.println(prefix + "Package: " + ps.name); 18686 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18687 String statusStr = IntentFilterVerificationInfo. 18688 getStatusStringFromValue(status); 18689 pw.println(prefix + "Status: " + statusStr); 18690 pw.println(); 18691 count++; 18692 } 18693 if (count == 0) { 18694 pw.println(prefix + "No configured app linkages."); 18695 pw.println(); 18696 } 18697 } 18698 } 18699 } 18700 } 18701 18702 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18703 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18704 if (packageName == null && permissionNames == null) { 18705 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18706 if (iperm == 0) { 18707 if (dumpState.onTitlePrinted()) 18708 pw.println(); 18709 pw.println("AppOp Permissions:"); 18710 } 18711 pw.print(" AppOp Permission "); 18712 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18713 pw.println(":"); 18714 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18715 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18716 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18717 } 18718 } 18719 } 18720 } 18721 18722 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18723 boolean printedSomething = false; 18724 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18725 if (packageName != null && !packageName.equals(p.info.packageName)) { 18726 continue; 18727 } 18728 if (!printedSomething) { 18729 if (dumpState.onTitlePrinted()) 18730 pw.println(); 18731 pw.println("Registered ContentProviders:"); 18732 printedSomething = true; 18733 } 18734 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18735 pw.print(" "); pw.println(p.toString()); 18736 } 18737 printedSomething = false; 18738 for (Map.Entry<String, PackageParser.Provider> entry : 18739 mProvidersByAuthority.entrySet()) { 18740 PackageParser.Provider p = entry.getValue(); 18741 if (packageName != null && !packageName.equals(p.info.packageName)) { 18742 continue; 18743 } 18744 if (!printedSomething) { 18745 if (dumpState.onTitlePrinted()) 18746 pw.println(); 18747 pw.println("ContentProvider Authorities:"); 18748 printedSomething = true; 18749 } 18750 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18751 pw.print(" "); pw.println(p.toString()); 18752 if (p.info != null && p.info.applicationInfo != null) { 18753 final String appInfo = p.info.applicationInfo.toString(); 18754 pw.print(" applicationInfo="); pw.println(appInfo); 18755 } 18756 } 18757 } 18758 18759 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18760 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18761 } 18762 18763 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18764 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18765 } 18766 18767 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18768 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18769 } 18770 18771 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18772 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18773 } 18774 18775 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18776 // XXX should handle packageName != null by dumping only install data that 18777 // the given package is involved with. 18778 if (dumpState.onTitlePrinted()) pw.println(); 18779 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18780 } 18781 18782 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18783 // XXX should handle packageName != null by dumping only install data that 18784 // the given package is involved with. 18785 if (dumpState.onTitlePrinted()) pw.println(); 18786 18787 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18788 ipw.println(); 18789 ipw.println("Frozen packages:"); 18790 ipw.increaseIndent(); 18791 if (mFrozenPackages.size() == 0) { 18792 ipw.println("(none)"); 18793 } else { 18794 for (int i = 0; i < mFrozenPackages.size(); i++) { 18795 ipw.println(mFrozenPackages.valueAt(i)); 18796 } 18797 } 18798 ipw.decreaseIndent(); 18799 } 18800 18801 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18802 if (dumpState.onTitlePrinted()) pw.println(); 18803 dumpDexoptStateLPr(pw, packageName); 18804 } 18805 18806 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18807 if (dumpState.onTitlePrinted()) pw.println(); 18808 dumpCompilerStatsLPr(pw, packageName); 18809 } 18810 18811 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18812 if (dumpState.onTitlePrinted()) pw.println(); 18813 mSettings.dumpReadMessagesLPr(pw, dumpState); 18814 18815 pw.println(); 18816 pw.println("Package warning messages:"); 18817 BufferedReader in = null; 18818 String line = null; 18819 try { 18820 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18821 while ((line = in.readLine()) != null) { 18822 if (line.contains("ignored: updated version")) continue; 18823 pw.println(line); 18824 } 18825 } catch (IOException ignored) { 18826 } finally { 18827 IoUtils.closeQuietly(in); 18828 } 18829 } 18830 18831 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18832 BufferedReader in = null; 18833 String line = null; 18834 try { 18835 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18836 while ((line = in.readLine()) != null) { 18837 if (line.contains("ignored: updated version")) continue; 18838 pw.print("msg,"); 18839 pw.println(line); 18840 } 18841 } catch (IOException ignored) { 18842 } finally { 18843 IoUtils.closeQuietly(in); 18844 } 18845 } 18846 } 18847 } 18848 18849 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18850 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18851 ipw.println(); 18852 ipw.println("Dexopt state:"); 18853 ipw.increaseIndent(); 18854 Collection<PackageParser.Package> packages = null; 18855 if (packageName != null) { 18856 PackageParser.Package targetPackage = mPackages.get(packageName); 18857 if (targetPackage != null) { 18858 packages = Collections.singletonList(targetPackage); 18859 } else { 18860 ipw.println("Unable to find package: " + packageName); 18861 return; 18862 } 18863 } else { 18864 packages = mPackages.values(); 18865 } 18866 18867 for (PackageParser.Package pkg : packages) { 18868 ipw.println("[" + pkg.packageName + "]"); 18869 ipw.increaseIndent(); 18870 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18871 ipw.decreaseIndent(); 18872 } 18873 } 18874 18875 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 18876 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18877 ipw.println(); 18878 ipw.println("Compiler stats:"); 18879 ipw.increaseIndent(); 18880 Collection<PackageParser.Package> packages = null; 18881 if (packageName != null) { 18882 PackageParser.Package targetPackage = mPackages.get(packageName); 18883 if (targetPackage != null) { 18884 packages = Collections.singletonList(targetPackage); 18885 } else { 18886 ipw.println("Unable to find package: " + packageName); 18887 return; 18888 } 18889 } else { 18890 packages = mPackages.values(); 18891 } 18892 18893 for (PackageParser.Package pkg : packages) { 18894 ipw.println("[" + pkg.packageName + "]"); 18895 ipw.increaseIndent(); 18896 18897 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 18898 if (stats == null) { 18899 ipw.println("(No recorded stats)"); 18900 } else { 18901 stats.dump(ipw); 18902 } 18903 ipw.decreaseIndent(); 18904 } 18905 } 18906 18907 private String dumpDomainString(String packageName) { 18908 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18909 .getList(); 18910 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18911 18912 ArraySet<String> result = new ArraySet<>(); 18913 if (iviList.size() > 0) { 18914 for (IntentFilterVerificationInfo ivi : iviList) { 18915 for (String host : ivi.getDomains()) { 18916 result.add(host); 18917 } 18918 } 18919 } 18920 if (filters != null && filters.size() > 0) { 18921 for (IntentFilter filter : filters) { 18922 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18923 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18924 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18925 result.addAll(filter.getHostsList()); 18926 } 18927 } 18928 } 18929 18930 StringBuilder sb = new StringBuilder(result.size() * 16); 18931 for (String domain : result) { 18932 if (sb.length() > 0) sb.append(" "); 18933 sb.append(domain); 18934 } 18935 return sb.toString(); 18936 } 18937 18938 // ------- apps on sdcard specific code ------- 18939 static final boolean DEBUG_SD_INSTALL = false; 18940 18941 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18942 18943 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18944 18945 private boolean mMediaMounted = false; 18946 18947 static String getEncryptKey() { 18948 try { 18949 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18950 SD_ENCRYPTION_KEYSTORE_NAME); 18951 if (sdEncKey == null) { 18952 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18953 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18954 if (sdEncKey == null) { 18955 Slog.e(TAG, "Failed to create encryption keys"); 18956 return null; 18957 } 18958 } 18959 return sdEncKey; 18960 } catch (NoSuchAlgorithmException nsae) { 18961 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18962 return null; 18963 } catch (IOException ioe) { 18964 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18965 return null; 18966 } 18967 } 18968 18969 /* 18970 * Update media status on PackageManager. 18971 */ 18972 @Override 18973 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18974 int callingUid = Binder.getCallingUid(); 18975 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18976 throw new SecurityException("Media status can only be updated by the system"); 18977 } 18978 // reader; this apparently protects mMediaMounted, but should probably 18979 // be a different lock in that case. 18980 synchronized (mPackages) { 18981 Log.i(TAG, "Updating external media status from " 18982 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18983 + (mediaStatus ? "mounted" : "unmounted")); 18984 if (DEBUG_SD_INSTALL) 18985 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18986 + ", mMediaMounted=" + mMediaMounted); 18987 if (mediaStatus == mMediaMounted) { 18988 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18989 : 0, -1); 18990 mHandler.sendMessage(msg); 18991 return; 18992 } 18993 mMediaMounted = mediaStatus; 18994 } 18995 // Queue up an async operation since the package installation may take a 18996 // little while. 18997 mHandler.post(new Runnable() { 18998 public void run() { 18999 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 19000 } 19001 }); 19002 } 19003 19004 /** 19005 * Called by MountService when the initial ASECs to scan are available. 19006 * Should block until all the ASEC containers are finished being scanned. 19007 */ 19008 public void scanAvailableAsecs() { 19009 updateExternalMediaStatusInner(true, false, false); 19010 } 19011 19012 /* 19013 * Collect information of applications on external media, map them against 19014 * existing containers and update information based on current mount status. 19015 * Please note that we always have to report status if reportStatus has been 19016 * set to true especially when unloading packages. 19017 */ 19018 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 19019 boolean externalStorage) { 19020 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 19021 int[] uidArr = EmptyArray.INT; 19022 19023 final String[] list = PackageHelper.getSecureContainerList(); 19024 if (ArrayUtils.isEmpty(list)) { 19025 Log.i(TAG, "No secure containers found"); 19026 } else { 19027 // Process list of secure containers and categorize them 19028 // as active or stale based on their package internal state. 19029 19030 // reader 19031 synchronized (mPackages) { 19032 for (String cid : list) { 19033 // Leave stages untouched for now; installer service owns them 19034 if (PackageInstallerService.isStageName(cid)) continue; 19035 19036 if (DEBUG_SD_INSTALL) 19037 Log.i(TAG, "Processing container " + cid); 19038 String pkgName = getAsecPackageName(cid); 19039 if (pkgName == null) { 19040 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19041 continue; 19042 } 19043 if (DEBUG_SD_INSTALL) 19044 Log.i(TAG, "Looking for pkg : " + pkgName); 19045 19046 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19047 if (ps == null) { 19048 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19049 continue; 19050 } 19051 19052 /* 19053 * Skip packages that are not external if we're unmounting 19054 * external storage. 19055 */ 19056 if (externalStorage && !isMounted && !isExternal(ps)) { 19057 continue; 19058 } 19059 19060 final AsecInstallArgs args = new AsecInstallArgs(cid, 19061 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19062 // The package status is changed only if the code path 19063 // matches between settings and the container id. 19064 if (ps.codePathString != null 19065 && ps.codePathString.startsWith(args.getCodePath())) { 19066 if (DEBUG_SD_INSTALL) { 19067 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19068 + " at code path: " + ps.codePathString); 19069 } 19070 19071 // We do have a valid package installed on sdcard 19072 processCids.put(args, ps.codePathString); 19073 final int uid = ps.appId; 19074 if (uid != -1) { 19075 uidArr = ArrayUtils.appendInt(uidArr, uid); 19076 } 19077 } else { 19078 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19079 + ps.codePathString); 19080 } 19081 } 19082 } 19083 19084 Arrays.sort(uidArr); 19085 } 19086 19087 // Process packages with valid entries. 19088 if (isMounted) { 19089 if (DEBUG_SD_INSTALL) 19090 Log.i(TAG, "Loading packages"); 19091 loadMediaPackages(processCids, uidArr, externalStorage); 19092 startCleaningPackages(); 19093 mInstallerService.onSecureContainersAvailable(); 19094 } else { 19095 if (DEBUG_SD_INSTALL) 19096 Log.i(TAG, "Unloading packages"); 19097 unloadMediaPackages(processCids, uidArr, reportStatus); 19098 } 19099 } 19100 19101 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19102 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19103 final int size = infos.size(); 19104 final String[] packageNames = new String[size]; 19105 final int[] packageUids = new int[size]; 19106 for (int i = 0; i < size; i++) { 19107 final ApplicationInfo info = infos.get(i); 19108 packageNames[i] = info.packageName; 19109 packageUids[i] = info.uid; 19110 } 19111 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19112 finishedReceiver); 19113 } 19114 19115 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19116 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19117 sendResourcesChangedBroadcast(mediaStatus, replacing, 19118 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19119 } 19120 19121 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19122 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19123 int size = pkgList.length; 19124 if (size > 0) { 19125 // Send broadcasts here 19126 Bundle extras = new Bundle(); 19127 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19128 if (uidArr != null) { 19129 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19130 } 19131 if (replacing) { 19132 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19133 } 19134 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19135 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19136 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19137 } 19138 } 19139 19140 /* 19141 * Look at potentially valid container ids from processCids If package 19142 * information doesn't match the one on record or package scanning fails, 19143 * the cid is added to list of removeCids. We currently don't delete stale 19144 * containers. 19145 */ 19146 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19147 boolean externalStorage) { 19148 ArrayList<String> pkgList = new ArrayList<String>(); 19149 Set<AsecInstallArgs> keys = processCids.keySet(); 19150 19151 for (AsecInstallArgs args : keys) { 19152 String codePath = processCids.get(args); 19153 if (DEBUG_SD_INSTALL) 19154 Log.i(TAG, "Loading container : " + args.cid); 19155 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19156 try { 19157 // Make sure there are no container errors first. 19158 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19159 Slog.e(TAG, "Failed to mount cid : " + args.cid 19160 + " when installing from sdcard"); 19161 continue; 19162 } 19163 // Check code path here. 19164 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19165 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19166 + " does not match one in settings " + codePath); 19167 continue; 19168 } 19169 // Parse package 19170 int parseFlags = mDefParseFlags; 19171 if (args.isExternalAsec()) { 19172 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19173 } 19174 if (args.isFwdLocked()) { 19175 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19176 } 19177 19178 synchronized (mInstallLock) { 19179 PackageParser.Package pkg = null; 19180 try { 19181 // Sadly we don't know the package name yet to freeze it 19182 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19183 SCAN_IGNORE_FROZEN, 0, null); 19184 } catch (PackageManagerException e) { 19185 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19186 } 19187 // Scan the package 19188 if (pkg != null) { 19189 /* 19190 * TODO why is the lock being held? doPostInstall is 19191 * called in other places without the lock. This needs 19192 * to be straightened out. 19193 */ 19194 // writer 19195 synchronized (mPackages) { 19196 retCode = PackageManager.INSTALL_SUCCEEDED; 19197 pkgList.add(pkg.packageName); 19198 // Post process args 19199 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19200 pkg.applicationInfo.uid); 19201 } 19202 } else { 19203 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19204 } 19205 } 19206 19207 } finally { 19208 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19209 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19210 } 19211 } 19212 } 19213 // writer 19214 synchronized (mPackages) { 19215 // If the platform SDK has changed since the last time we booted, 19216 // we need to re-grant app permission to catch any new ones that 19217 // appear. This is really a hack, and means that apps can in some 19218 // cases get permissions that the user didn't initially explicitly 19219 // allow... it would be nice to have some better way to handle 19220 // this situation. 19221 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19222 : mSettings.getInternalVersion(); 19223 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19224 : StorageManager.UUID_PRIVATE_INTERNAL; 19225 19226 int updateFlags = UPDATE_PERMISSIONS_ALL; 19227 if (ver.sdkVersion != mSdkVersion) { 19228 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19229 + mSdkVersion + "; regranting permissions for external"); 19230 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19231 } 19232 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19233 19234 // Yay, everything is now upgraded 19235 ver.forceCurrent(); 19236 19237 // can downgrade to reader 19238 // Persist settings 19239 mSettings.writeLPr(); 19240 } 19241 // Send a broadcast to let everyone know we are done processing 19242 if (pkgList.size() > 0) { 19243 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19244 } 19245 } 19246 19247 /* 19248 * Utility method to unload a list of specified containers 19249 */ 19250 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19251 // Just unmount all valid containers. 19252 for (AsecInstallArgs arg : cidArgs) { 19253 synchronized (mInstallLock) { 19254 arg.doPostDeleteLI(false); 19255 } 19256 } 19257 } 19258 19259 /* 19260 * Unload packages mounted on external media. This involves deleting package 19261 * data from internal structures, sending broadcasts about disabled packages, 19262 * gc'ing to free up references, unmounting all secure containers 19263 * corresponding to packages on external media, and posting a 19264 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19265 * that we always have to post this message if status has been requested no 19266 * matter what. 19267 */ 19268 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19269 final boolean reportStatus) { 19270 if (DEBUG_SD_INSTALL) 19271 Log.i(TAG, "unloading media packages"); 19272 ArrayList<String> pkgList = new ArrayList<String>(); 19273 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19274 final Set<AsecInstallArgs> keys = processCids.keySet(); 19275 for (AsecInstallArgs args : keys) { 19276 String pkgName = args.getPackageName(); 19277 if (DEBUG_SD_INSTALL) 19278 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19279 // Delete package internally 19280 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19281 synchronized (mInstallLock) { 19282 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19283 final boolean res; 19284 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19285 "unloadMediaPackages")) { 19286 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19287 null); 19288 } 19289 if (res) { 19290 pkgList.add(pkgName); 19291 } else { 19292 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19293 failedList.add(args); 19294 } 19295 } 19296 } 19297 19298 // reader 19299 synchronized (mPackages) { 19300 // We didn't update the settings after removing each package; 19301 // write them now for all packages. 19302 mSettings.writeLPr(); 19303 } 19304 19305 // We have to absolutely send UPDATED_MEDIA_STATUS only 19306 // after confirming that all the receivers processed the ordered 19307 // broadcast when packages get disabled, force a gc to clean things up. 19308 // and unload all the containers. 19309 if (pkgList.size() > 0) { 19310 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19311 new IIntentReceiver.Stub() { 19312 public void performReceive(Intent intent, int resultCode, String data, 19313 Bundle extras, boolean ordered, boolean sticky, 19314 int sendingUser) throws RemoteException { 19315 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19316 reportStatus ? 1 : 0, 1, keys); 19317 mHandler.sendMessage(msg); 19318 } 19319 }); 19320 } else { 19321 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19322 keys); 19323 mHandler.sendMessage(msg); 19324 } 19325 } 19326 19327 private void loadPrivatePackages(final VolumeInfo vol) { 19328 mHandler.post(new Runnable() { 19329 @Override 19330 public void run() { 19331 loadPrivatePackagesInner(vol); 19332 } 19333 }); 19334 } 19335 19336 private void loadPrivatePackagesInner(VolumeInfo vol) { 19337 final String volumeUuid = vol.fsUuid; 19338 if (TextUtils.isEmpty(volumeUuid)) { 19339 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19340 return; 19341 } 19342 19343 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19344 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19345 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19346 19347 final VersionInfo ver; 19348 final List<PackageSetting> packages; 19349 synchronized (mPackages) { 19350 ver = mSettings.findOrCreateVersion(volumeUuid); 19351 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19352 } 19353 19354 for (PackageSetting ps : packages) { 19355 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19356 synchronized (mInstallLock) { 19357 final PackageParser.Package pkg; 19358 try { 19359 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19360 loaded.add(pkg.applicationInfo); 19361 19362 } catch (PackageManagerException e) { 19363 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19364 } 19365 19366 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19367 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19368 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19369 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19370 } 19371 } 19372 } 19373 19374 // Reconcile app data for all started/unlocked users 19375 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19376 final UserManager um = mContext.getSystemService(UserManager.class); 19377 UserManagerInternal umInternal = getUserManagerInternal(); 19378 for (UserInfo user : um.getUsers()) { 19379 final int flags; 19380 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19381 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19382 } else if (umInternal.isUserRunning(user.id)) { 19383 flags = StorageManager.FLAG_STORAGE_DE; 19384 } else { 19385 continue; 19386 } 19387 19388 try { 19389 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19390 synchronized (mInstallLock) { 19391 reconcileAppsDataLI(volumeUuid, user.id, flags); 19392 } 19393 } catch (IllegalStateException e) { 19394 // Device was probably ejected, and we'll process that event momentarily 19395 Slog.w(TAG, "Failed to prepare storage: " + e); 19396 } 19397 } 19398 19399 synchronized (mPackages) { 19400 int updateFlags = UPDATE_PERMISSIONS_ALL; 19401 if (ver.sdkVersion != mSdkVersion) { 19402 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19403 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19404 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19405 } 19406 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19407 19408 // Yay, everything is now upgraded 19409 ver.forceCurrent(); 19410 19411 mSettings.writeLPr(); 19412 } 19413 19414 for (PackageFreezer freezer : freezers) { 19415 freezer.close(); 19416 } 19417 19418 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19419 sendResourcesChangedBroadcast(true, false, loaded, null); 19420 } 19421 19422 private void unloadPrivatePackages(final VolumeInfo vol) { 19423 mHandler.post(new Runnable() { 19424 @Override 19425 public void run() { 19426 unloadPrivatePackagesInner(vol); 19427 } 19428 }); 19429 } 19430 19431 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19432 final String volumeUuid = vol.fsUuid; 19433 if (TextUtils.isEmpty(volumeUuid)) { 19434 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19435 return; 19436 } 19437 19438 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19439 synchronized (mInstallLock) { 19440 synchronized (mPackages) { 19441 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19442 for (PackageSetting ps : packages) { 19443 if (ps.pkg == null) continue; 19444 19445 final ApplicationInfo info = ps.pkg.applicationInfo; 19446 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19447 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19448 19449 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19450 "unloadPrivatePackagesInner")) { 19451 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19452 false, null)) { 19453 unloaded.add(info); 19454 } else { 19455 Slog.w(TAG, "Failed to unload " + ps.codePath); 19456 } 19457 } 19458 19459 // Try very hard to release any references to this package 19460 // so we don't risk the system server being killed due to 19461 // open FDs 19462 AttributeCache.instance().removePackage(ps.name); 19463 } 19464 19465 mSettings.writeLPr(); 19466 } 19467 } 19468 19469 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19470 sendResourcesChangedBroadcast(false, false, unloaded, null); 19471 19472 // Try very hard to release any references to this path so we don't risk 19473 // the system server being killed due to open FDs 19474 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19475 19476 for (int i = 0; i < 3; i++) { 19477 System.gc(); 19478 System.runFinalization(); 19479 } 19480 } 19481 19482 /** 19483 * Prepare storage areas for given user on all mounted devices. 19484 */ 19485 void prepareUserData(int userId, int userSerial, int flags) { 19486 synchronized (mInstallLock) { 19487 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19488 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19489 final String volumeUuid = vol.getFsUuid(); 19490 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19491 } 19492 } 19493 } 19494 19495 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19496 boolean allowRecover) { 19497 // Prepare storage and verify that serial numbers are consistent; if 19498 // there's a mismatch we need to destroy to avoid leaking data 19499 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19500 try { 19501 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19502 19503 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19504 UserManagerService.enforceSerialNumber( 19505 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19506 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19507 UserManagerService.enforceSerialNumber( 19508 Environment.getDataSystemDeDirectory(userId), userSerial); 19509 } 19510 } 19511 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19512 UserManagerService.enforceSerialNumber( 19513 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19514 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19515 UserManagerService.enforceSerialNumber( 19516 Environment.getDataSystemCeDirectory(userId), userSerial); 19517 } 19518 } 19519 19520 synchronized (mInstallLock) { 19521 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19522 } 19523 } catch (Exception e) { 19524 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19525 + " because we failed to prepare: " + e); 19526 destroyUserDataLI(volumeUuid, userId, 19527 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19528 19529 if (allowRecover) { 19530 // Try one last time; if we fail again we're really in trouble 19531 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19532 } 19533 } 19534 } 19535 19536 /** 19537 * Destroy storage areas for given user on all mounted devices. 19538 */ 19539 void destroyUserData(int userId, int flags) { 19540 synchronized (mInstallLock) { 19541 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19542 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19543 final String volumeUuid = vol.getFsUuid(); 19544 destroyUserDataLI(volumeUuid, userId, flags); 19545 } 19546 } 19547 } 19548 19549 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19550 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19551 try { 19552 // Clean up app data, profile data, and media data 19553 mInstaller.destroyUserData(volumeUuid, userId, flags); 19554 19555 // Clean up system data 19556 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19557 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19558 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19559 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19560 } 19561 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19562 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19563 } 19564 } 19565 19566 // Data with special labels is now gone, so finish the job 19567 storage.destroyUserStorage(volumeUuid, userId, flags); 19568 19569 } catch (Exception e) { 19570 logCriticalInfo(Log.WARN, 19571 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19572 } 19573 } 19574 19575 /** 19576 * Examine all users present on given mounted volume, and destroy data 19577 * belonging to users that are no longer valid, or whose user ID has been 19578 * recycled. 19579 */ 19580 private void reconcileUsers(String volumeUuid) { 19581 final List<File> files = new ArrayList<>(); 19582 Collections.addAll(files, FileUtils 19583 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19584 Collections.addAll(files, FileUtils 19585 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19586 Collections.addAll(files, FileUtils 19587 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19588 Collections.addAll(files, FileUtils 19589 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19590 for (File file : files) { 19591 if (!file.isDirectory()) continue; 19592 19593 final int userId; 19594 final UserInfo info; 19595 try { 19596 userId = Integer.parseInt(file.getName()); 19597 info = sUserManager.getUserInfo(userId); 19598 } catch (NumberFormatException e) { 19599 Slog.w(TAG, "Invalid user directory " + file); 19600 continue; 19601 } 19602 19603 boolean destroyUser = false; 19604 if (info == null) { 19605 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19606 + " because no matching user was found"); 19607 destroyUser = true; 19608 } else if (!mOnlyCore) { 19609 try { 19610 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19611 } catch (IOException e) { 19612 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19613 + " because we failed to enforce serial number: " + e); 19614 destroyUser = true; 19615 } 19616 } 19617 19618 if (destroyUser) { 19619 synchronized (mInstallLock) { 19620 destroyUserDataLI(volumeUuid, userId, 19621 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19622 } 19623 } 19624 } 19625 } 19626 19627 private void assertPackageKnown(String volumeUuid, String packageName) 19628 throws PackageManagerException { 19629 synchronized (mPackages) { 19630 final PackageSetting ps = mSettings.mPackages.get(packageName); 19631 if (ps == null) { 19632 throw new PackageManagerException("Package " + packageName + " is unknown"); 19633 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19634 throw new PackageManagerException( 19635 "Package " + packageName + " found on unknown volume " + volumeUuid 19636 + "; expected volume " + ps.volumeUuid); 19637 } 19638 } 19639 } 19640 19641 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19642 throws PackageManagerException { 19643 synchronized (mPackages) { 19644 final PackageSetting ps = mSettings.mPackages.get(packageName); 19645 if (ps == null) { 19646 throw new PackageManagerException("Package " + packageName + " is unknown"); 19647 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19648 throw new PackageManagerException( 19649 "Package " + packageName + " found on unknown volume " + volumeUuid 19650 + "; expected volume " + ps.volumeUuid); 19651 } else if (!ps.getInstalled(userId)) { 19652 throw new PackageManagerException( 19653 "Package " + packageName + " not installed for user " + userId); 19654 } 19655 } 19656 } 19657 19658 /** 19659 * Examine all apps present on given mounted volume, and destroy apps that 19660 * aren't expected, either due to uninstallation or reinstallation on 19661 * another volume. 19662 */ 19663 private void reconcileApps(String volumeUuid) { 19664 final File[] files = FileUtils 19665 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19666 for (File file : files) { 19667 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19668 && !PackageInstallerService.isStageName(file.getName()); 19669 if (!isPackage) { 19670 // Ignore entries which are not packages 19671 continue; 19672 } 19673 19674 try { 19675 final PackageLite pkg = PackageParser.parsePackageLite(file, 19676 PackageParser.PARSE_MUST_BE_APK); 19677 assertPackageKnown(volumeUuid, pkg.packageName); 19678 19679 } catch (PackageParserException | PackageManagerException e) { 19680 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19681 synchronized (mInstallLock) { 19682 removeCodePathLI(file); 19683 } 19684 } 19685 } 19686 } 19687 19688 /** 19689 * Reconcile all app data for the given user. 19690 * <p> 19691 * Verifies that directories exist and that ownership and labeling is 19692 * correct for all installed apps on all mounted volumes. 19693 */ 19694 void reconcileAppsData(int userId, int flags) { 19695 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19696 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19697 final String volumeUuid = vol.getFsUuid(); 19698 synchronized (mInstallLock) { 19699 reconcileAppsDataLI(volumeUuid, userId, flags); 19700 } 19701 } 19702 } 19703 19704 /** 19705 * Reconcile all app data on given mounted volume. 19706 * <p> 19707 * Destroys app data that isn't expected, either due to uninstallation or 19708 * reinstallation on another volume. 19709 * <p> 19710 * Verifies that directories exist and that ownership and labeling is 19711 * correct for all installed apps. 19712 */ 19713 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19714 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19715 + Integer.toHexString(flags)); 19716 19717 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19718 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19719 19720 boolean restoreconNeeded = false; 19721 19722 // First look for stale data that doesn't belong, and check if things 19723 // have changed since we did our last restorecon 19724 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19725 if (StorageManager.isFileEncryptedNativeOrEmulated() 19726 && !StorageManager.isUserKeyUnlocked(userId)) { 19727 throw new RuntimeException( 19728 "Yikes, someone asked us to reconcile CE storage while " + userId 19729 + " was still locked; this would have caused massive data loss!"); 19730 } 19731 19732 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19733 19734 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19735 for (File file : files) { 19736 final String packageName = file.getName(); 19737 try { 19738 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19739 } catch (PackageManagerException e) { 19740 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19741 try { 19742 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19743 StorageManager.FLAG_STORAGE_CE, 0); 19744 } catch (InstallerException e2) { 19745 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19746 } 19747 } 19748 } 19749 } 19750 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19751 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19752 19753 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19754 for (File file : files) { 19755 final String packageName = file.getName(); 19756 try { 19757 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19758 } catch (PackageManagerException e) { 19759 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19760 try { 19761 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19762 StorageManager.FLAG_STORAGE_DE, 0); 19763 } catch (InstallerException e2) { 19764 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19765 } 19766 } 19767 } 19768 } 19769 19770 // Ensure that data directories are ready to roll for all packages 19771 // installed for this volume and user 19772 final List<PackageSetting> packages; 19773 synchronized (mPackages) { 19774 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19775 } 19776 int preparedCount = 0; 19777 for (PackageSetting ps : packages) { 19778 final String packageName = ps.name; 19779 if (ps.pkg == null) { 19780 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19781 // TODO: might be due to legacy ASEC apps; we should circle back 19782 // and reconcile again once they're scanned 19783 continue; 19784 } 19785 19786 if (ps.getInstalled(userId)) { 19787 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19788 19789 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19790 // We may have just shuffled around app data directories, so 19791 // prepare them one more time 19792 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19793 } 19794 19795 preparedCount++; 19796 } 19797 } 19798 19799 if (restoreconNeeded) { 19800 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19801 SELinuxMMAC.setRestoreconDone(ceDir); 19802 } 19803 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19804 SELinuxMMAC.setRestoreconDone(deDir); 19805 } 19806 } 19807 19808 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19809 + " packages; restoreconNeeded was " + restoreconNeeded); 19810 } 19811 19812 /** 19813 * Prepare app data for the given app just after it was installed or 19814 * upgraded. This method carefully only touches users that it's installed 19815 * for, and it forces a restorecon to handle any seinfo changes. 19816 * <p> 19817 * Verifies that directories exist and that ownership and labeling is 19818 * correct for all installed apps. If there is an ownership mismatch, it 19819 * will try recovering system apps by wiping data; third-party app data is 19820 * left intact. 19821 * <p> 19822 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19823 */ 19824 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19825 final PackageSetting ps; 19826 synchronized (mPackages) { 19827 ps = mSettings.mPackages.get(pkg.packageName); 19828 mSettings.writeKernelMappingLPr(ps); 19829 } 19830 19831 final UserManager um = mContext.getSystemService(UserManager.class); 19832 UserManagerInternal umInternal = getUserManagerInternal(); 19833 for (UserInfo user : um.getUsers()) { 19834 final int flags; 19835 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19836 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19837 } else if (umInternal.isUserRunning(user.id)) { 19838 flags = StorageManager.FLAG_STORAGE_DE; 19839 } else { 19840 continue; 19841 } 19842 19843 if (ps.getInstalled(user.id)) { 19844 // Whenever an app changes, force a restorecon of its data 19845 // TODO: when user data is locked, mark that we're still dirty 19846 prepareAppDataLIF(pkg, user.id, flags, true); 19847 } 19848 } 19849 } 19850 19851 /** 19852 * Prepare app data for the given app. 19853 * <p> 19854 * Verifies that directories exist and that ownership and labeling is 19855 * correct for all installed apps. If there is an ownership mismatch, this 19856 * will try recovering system apps by wiping data; third-party app data is 19857 * left intact. 19858 */ 19859 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19860 boolean restoreconNeeded) { 19861 if (pkg == null) { 19862 Slog.wtf(TAG, "Package was null!", new Throwable()); 19863 return; 19864 } 19865 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19866 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19867 for (int i = 0; i < childCount; i++) { 19868 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19869 } 19870 } 19871 19872 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19873 boolean restoreconNeeded) { 19874 if (DEBUG_APP_DATA) { 19875 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19876 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19877 } 19878 19879 final String volumeUuid = pkg.volumeUuid; 19880 final String packageName = pkg.packageName; 19881 final ApplicationInfo app = pkg.applicationInfo; 19882 final int appId = UserHandle.getAppId(app.uid); 19883 19884 Preconditions.checkNotNull(app.seinfo); 19885 19886 try { 19887 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19888 appId, app.seinfo, app.targetSdkVersion); 19889 } catch (InstallerException e) { 19890 if (app.isSystemApp()) { 19891 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19892 + ", but trying to recover: " + e); 19893 destroyAppDataLeafLIF(pkg, userId, flags); 19894 try { 19895 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19896 appId, app.seinfo, app.targetSdkVersion); 19897 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19898 } catch (InstallerException e2) { 19899 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19900 } 19901 } else { 19902 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19903 } 19904 } 19905 19906 if (restoreconNeeded) { 19907 try { 19908 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19909 app.seinfo); 19910 } catch (InstallerException e) { 19911 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19912 } 19913 } 19914 19915 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19916 try { 19917 // CE storage is unlocked right now, so read out the inode and 19918 // remember for use later when it's locked 19919 // TODO: mark this structure as dirty so we persist it! 19920 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19921 StorageManager.FLAG_STORAGE_CE); 19922 synchronized (mPackages) { 19923 final PackageSetting ps = mSettings.mPackages.get(packageName); 19924 if (ps != null) { 19925 ps.setCeDataInode(ceDataInode, userId); 19926 } 19927 } 19928 } catch (InstallerException e) { 19929 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19930 } 19931 } 19932 19933 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19934 } 19935 19936 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19937 if (pkg == null) { 19938 Slog.wtf(TAG, "Package was null!", new Throwable()); 19939 return; 19940 } 19941 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19942 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19943 for (int i = 0; i < childCount; i++) { 19944 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19945 } 19946 } 19947 19948 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19949 final String volumeUuid = pkg.volumeUuid; 19950 final String packageName = pkg.packageName; 19951 final ApplicationInfo app = pkg.applicationInfo; 19952 19953 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19954 // Create a native library symlink only if we have native libraries 19955 // and if the native libraries are 32 bit libraries. We do not provide 19956 // this symlink for 64 bit libraries. 19957 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19958 final String nativeLibPath = app.nativeLibraryDir; 19959 try { 19960 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19961 nativeLibPath, userId); 19962 } catch (InstallerException e) { 19963 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19964 } 19965 } 19966 } 19967 } 19968 19969 /** 19970 * For system apps on non-FBE devices, this method migrates any existing 19971 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19972 * requested by the app. 19973 */ 19974 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19975 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19976 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19977 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19978 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19979 try { 19980 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19981 storageTarget); 19982 } catch (InstallerException e) { 19983 logCriticalInfo(Log.WARN, 19984 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19985 } 19986 return true; 19987 } else { 19988 return false; 19989 } 19990 } 19991 19992 public PackageFreezer freezePackage(String packageName, String killReason) { 19993 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19994 } 19995 19996 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19997 return new PackageFreezer(packageName, userId, killReason); 19998 } 19999 20000 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 20001 String killReason) { 20002 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 20003 } 20004 20005 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 20006 String killReason) { 20007 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 20008 return new PackageFreezer(); 20009 } else { 20010 return freezePackage(packageName, userId, killReason); 20011 } 20012 } 20013 20014 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 20015 String killReason) { 20016 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 20017 } 20018 20019 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 20020 String killReason) { 20021 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 20022 return new PackageFreezer(); 20023 } else { 20024 return freezePackage(packageName, userId, killReason); 20025 } 20026 } 20027 20028 /** 20029 * Class that freezes and kills the given package upon creation, and 20030 * unfreezes it upon closing. This is typically used when doing surgery on 20031 * app code/data to prevent the app from running while you're working. 20032 */ 20033 private class PackageFreezer implements AutoCloseable { 20034 private final String mPackageName; 20035 private final PackageFreezer[] mChildren; 20036 20037 private final boolean mWeFroze; 20038 20039 private final AtomicBoolean mClosed = new AtomicBoolean(); 20040 private final CloseGuard mCloseGuard = CloseGuard.get(); 20041 20042 /** 20043 * Create and return a stub freezer that doesn't actually do anything, 20044 * typically used when someone requested 20045 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20046 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20047 */ 20048 public PackageFreezer() { 20049 mPackageName = null; 20050 mChildren = null; 20051 mWeFroze = false; 20052 mCloseGuard.open("close"); 20053 } 20054 20055 public PackageFreezer(String packageName, int userId, String killReason) { 20056 synchronized (mPackages) { 20057 mPackageName = packageName; 20058 mWeFroze = mFrozenPackages.add(mPackageName); 20059 20060 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20061 if (ps != null) { 20062 killApplication(ps.name, ps.appId, userId, killReason); 20063 } 20064 20065 final PackageParser.Package p = mPackages.get(packageName); 20066 if (p != null && p.childPackages != null) { 20067 final int N = p.childPackages.size(); 20068 mChildren = new PackageFreezer[N]; 20069 for (int i = 0; i < N; i++) { 20070 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20071 userId, killReason); 20072 } 20073 } else { 20074 mChildren = null; 20075 } 20076 } 20077 mCloseGuard.open("close"); 20078 } 20079 20080 @Override 20081 protected void finalize() throws Throwable { 20082 try { 20083 mCloseGuard.warnIfOpen(); 20084 close(); 20085 } finally { 20086 super.finalize(); 20087 } 20088 } 20089 20090 @Override 20091 public void close() { 20092 mCloseGuard.close(); 20093 if (mClosed.compareAndSet(false, true)) { 20094 synchronized (mPackages) { 20095 if (mWeFroze) { 20096 mFrozenPackages.remove(mPackageName); 20097 } 20098 20099 if (mChildren != null) { 20100 for (PackageFreezer freezer : mChildren) { 20101 freezer.close(); 20102 } 20103 } 20104 } 20105 } 20106 } 20107 } 20108 20109 /** 20110 * Verify that given package is currently frozen. 20111 */ 20112 private void checkPackageFrozen(String packageName) { 20113 synchronized (mPackages) { 20114 if (!mFrozenPackages.contains(packageName)) { 20115 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20116 } 20117 } 20118 } 20119 20120 @Override 20121 public int movePackage(final String packageName, final String volumeUuid) { 20122 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20123 20124 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20125 final int moveId = mNextMoveId.getAndIncrement(); 20126 mHandler.post(new Runnable() { 20127 @Override 20128 public void run() { 20129 try { 20130 movePackageInternal(packageName, volumeUuid, moveId, user); 20131 } catch (PackageManagerException e) { 20132 Slog.w(TAG, "Failed to move " + packageName, e); 20133 mMoveCallbacks.notifyStatusChanged(moveId, 20134 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20135 } 20136 } 20137 }); 20138 return moveId; 20139 } 20140 20141 private void movePackageInternal(final String packageName, final String volumeUuid, 20142 final int moveId, UserHandle user) throws PackageManagerException { 20143 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20144 final PackageManager pm = mContext.getPackageManager(); 20145 20146 final boolean currentAsec; 20147 final String currentVolumeUuid; 20148 final File codeFile; 20149 final String installerPackageName; 20150 final String packageAbiOverride; 20151 final int appId; 20152 final String seinfo; 20153 final String label; 20154 final int targetSdkVersion; 20155 final PackageFreezer freezer; 20156 final int[] installedUserIds; 20157 20158 // reader 20159 synchronized (mPackages) { 20160 final PackageParser.Package pkg = mPackages.get(packageName); 20161 final PackageSetting ps = mSettings.mPackages.get(packageName); 20162 if (pkg == null || ps == null) { 20163 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20164 } 20165 20166 if (pkg.applicationInfo.isSystemApp()) { 20167 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20168 "Cannot move system application"); 20169 } 20170 20171 if (pkg.applicationInfo.isExternalAsec()) { 20172 currentAsec = true; 20173 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20174 } else if (pkg.applicationInfo.isForwardLocked()) { 20175 currentAsec = true; 20176 currentVolumeUuid = "forward_locked"; 20177 } else { 20178 currentAsec = false; 20179 currentVolumeUuid = ps.volumeUuid; 20180 20181 final File probe = new File(pkg.codePath); 20182 final File probeOat = new File(probe, "oat"); 20183 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20184 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20185 "Move only supported for modern cluster style installs"); 20186 } 20187 } 20188 20189 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20190 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20191 "Package already moved to " + volumeUuid); 20192 } 20193 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20194 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20195 "Device admin cannot be moved"); 20196 } 20197 20198 if (mFrozenPackages.contains(packageName)) { 20199 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20200 "Failed to move already frozen package"); 20201 } 20202 20203 codeFile = new File(pkg.codePath); 20204 installerPackageName = ps.installerPackageName; 20205 packageAbiOverride = ps.cpuAbiOverrideString; 20206 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20207 seinfo = pkg.applicationInfo.seinfo; 20208 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20209 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20210 freezer = freezePackage(packageName, "movePackageInternal"); 20211 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20212 } 20213 20214 final Bundle extras = new Bundle(); 20215 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20216 extras.putString(Intent.EXTRA_TITLE, label); 20217 mMoveCallbacks.notifyCreated(moveId, extras); 20218 20219 int installFlags; 20220 final boolean moveCompleteApp; 20221 final File measurePath; 20222 20223 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20224 installFlags = INSTALL_INTERNAL; 20225 moveCompleteApp = !currentAsec; 20226 measurePath = Environment.getDataAppDirectory(volumeUuid); 20227 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20228 installFlags = INSTALL_EXTERNAL; 20229 moveCompleteApp = false; 20230 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20231 } else { 20232 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20233 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20234 || !volume.isMountedWritable()) { 20235 freezer.close(); 20236 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20237 "Move location not mounted private volume"); 20238 } 20239 20240 Preconditions.checkState(!currentAsec); 20241 20242 installFlags = INSTALL_INTERNAL; 20243 moveCompleteApp = true; 20244 measurePath = Environment.getDataAppDirectory(volumeUuid); 20245 } 20246 20247 final PackageStats stats = new PackageStats(null, -1); 20248 synchronized (mInstaller) { 20249 for (int userId : installedUserIds) { 20250 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20251 freezer.close(); 20252 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20253 "Failed to measure package size"); 20254 } 20255 } 20256 } 20257 20258 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20259 + stats.dataSize); 20260 20261 final long startFreeBytes = measurePath.getFreeSpace(); 20262 final long sizeBytes; 20263 if (moveCompleteApp) { 20264 sizeBytes = stats.codeSize + stats.dataSize; 20265 } else { 20266 sizeBytes = stats.codeSize; 20267 } 20268 20269 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20270 freezer.close(); 20271 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20272 "Not enough free space to move"); 20273 } 20274 20275 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20276 20277 final CountDownLatch installedLatch = new CountDownLatch(1); 20278 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20279 @Override 20280 public void onUserActionRequired(Intent intent) throws RemoteException { 20281 throw new IllegalStateException(); 20282 } 20283 20284 @Override 20285 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20286 Bundle extras) throws RemoteException { 20287 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20288 + PackageManager.installStatusToString(returnCode, msg)); 20289 20290 installedLatch.countDown(); 20291 freezer.close(); 20292 20293 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20294 switch (status) { 20295 case PackageInstaller.STATUS_SUCCESS: 20296 mMoveCallbacks.notifyStatusChanged(moveId, 20297 PackageManager.MOVE_SUCCEEDED); 20298 break; 20299 case PackageInstaller.STATUS_FAILURE_STORAGE: 20300 mMoveCallbacks.notifyStatusChanged(moveId, 20301 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20302 break; 20303 default: 20304 mMoveCallbacks.notifyStatusChanged(moveId, 20305 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20306 break; 20307 } 20308 } 20309 }; 20310 20311 final MoveInfo move; 20312 if (moveCompleteApp) { 20313 // Kick off a thread to report progress estimates 20314 new Thread() { 20315 @Override 20316 public void run() { 20317 while (true) { 20318 try { 20319 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20320 break; 20321 } 20322 } catch (InterruptedException ignored) { 20323 } 20324 20325 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20326 final int progress = 10 + (int) MathUtils.constrain( 20327 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20328 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20329 } 20330 } 20331 }.start(); 20332 20333 final String dataAppName = codeFile.getName(); 20334 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20335 dataAppName, appId, seinfo, targetSdkVersion); 20336 } else { 20337 move = null; 20338 } 20339 20340 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20341 20342 final Message msg = mHandler.obtainMessage(INIT_COPY); 20343 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20344 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20345 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20346 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20347 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20348 msg.obj = params; 20349 20350 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20351 System.identityHashCode(msg.obj)); 20352 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20353 System.identityHashCode(msg.obj)); 20354 20355 mHandler.sendMessage(msg); 20356 } 20357 20358 @Override 20359 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20360 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20361 20362 final int realMoveId = mNextMoveId.getAndIncrement(); 20363 final Bundle extras = new Bundle(); 20364 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20365 mMoveCallbacks.notifyCreated(realMoveId, extras); 20366 20367 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20368 @Override 20369 public void onCreated(int moveId, Bundle extras) { 20370 // Ignored 20371 } 20372 20373 @Override 20374 public void onStatusChanged(int moveId, int status, long estMillis) { 20375 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20376 } 20377 }; 20378 20379 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20380 storage.setPrimaryStorageUuid(volumeUuid, callback); 20381 return realMoveId; 20382 } 20383 20384 @Override 20385 public int getMoveStatus(int moveId) { 20386 mContext.enforceCallingOrSelfPermission( 20387 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20388 return mMoveCallbacks.mLastStatus.get(moveId); 20389 } 20390 20391 @Override 20392 public void registerMoveCallback(IPackageMoveObserver callback) { 20393 mContext.enforceCallingOrSelfPermission( 20394 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20395 mMoveCallbacks.register(callback); 20396 } 20397 20398 @Override 20399 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20400 mContext.enforceCallingOrSelfPermission( 20401 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20402 mMoveCallbacks.unregister(callback); 20403 } 20404 20405 @Override 20406 public boolean setInstallLocation(int loc) { 20407 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20408 null); 20409 if (getInstallLocation() == loc) { 20410 return true; 20411 } 20412 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20413 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20414 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20415 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20416 return true; 20417 } 20418 return false; 20419 } 20420 20421 @Override 20422 public int getInstallLocation() { 20423 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20424 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20425 PackageHelper.APP_INSTALL_AUTO); 20426 } 20427 20428 /** Called by UserManagerService */ 20429 void cleanUpUser(UserManagerService userManager, int userHandle) { 20430 synchronized (mPackages) { 20431 mDirtyUsers.remove(userHandle); 20432 mUserNeedsBadging.delete(userHandle); 20433 mSettings.removeUserLPw(userHandle); 20434 mPendingBroadcasts.remove(userHandle); 20435 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20436 removeUnusedPackagesLPw(userManager, userHandle); 20437 } 20438 } 20439 20440 /** 20441 * We're removing userHandle and would like to remove any downloaded packages 20442 * that are no longer in use by any other user. 20443 * @param userHandle the user being removed 20444 */ 20445 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20446 final boolean DEBUG_CLEAN_APKS = false; 20447 int [] users = userManager.getUserIds(); 20448 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20449 while (psit.hasNext()) { 20450 PackageSetting ps = psit.next(); 20451 if (ps.pkg == null) { 20452 continue; 20453 } 20454 final String packageName = ps.pkg.packageName; 20455 // Skip over if system app 20456 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20457 continue; 20458 } 20459 if (DEBUG_CLEAN_APKS) { 20460 Slog.i(TAG, "Checking package " + packageName); 20461 } 20462 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20463 if (keep) { 20464 if (DEBUG_CLEAN_APKS) { 20465 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20466 } 20467 } else { 20468 for (int i = 0; i < users.length; i++) { 20469 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20470 keep = true; 20471 if (DEBUG_CLEAN_APKS) { 20472 Slog.i(TAG, " Keeping package " + packageName + " for user " 20473 + users[i]); 20474 } 20475 break; 20476 } 20477 } 20478 } 20479 if (!keep) { 20480 if (DEBUG_CLEAN_APKS) { 20481 Slog.i(TAG, " Removing package " + packageName); 20482 } 20483 mHandler.post(new Runnable() { 20484 public void run() { 20485 deletePackageX(packageName, userHandle, 0); 20486 } //end run 20487 }); 20488 } 20489 } 20490 } 20491 20492 /** Called by UserManagerService */ 20493 void createNewUser(int userId) { 20494 synchronized (mInstallLock) { 20495 mSettings.createNewUserLI(this, mInstaller, userId); 20496 } 20497 synchronized (mPackages) { 20498 scheduleWritePackageRestrictionsLocked(userId); 20499 scheduleWritePackageListLocked(userId); 20500 applyFactoryDefaultBrowserLPw(userId); 20501 primeDomainVerificationsLPw(userId); 20502 } 20503 } 20504 20505 void onNewUserCreated(final int userId) { 20506 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20507 // If permission review for legacy apps is required, we represent 20508 // dagerous permissions for such apps as always granted runtime 20509 // permissions to keep per user flag state whether review is needed. 20510 // Hence, if a new user is added we have to propagate dangerous 20511 // permission grants for these legacy apps. 20512 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20513 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20514 | UPDATE_PERMISSIONS_REPLACE_ALL); 20515 } 20516 } 20517 20518 @Override 20519 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20520 mContext.enforceCallingOrSelfPermission( 20521 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20522 "Only package verification agents can read the verifier device identity"); 20523 20524 synchronized (mPackages) { 20525 return mSettings.getVerifierDeviceIdentityLPw(); 20526 } 20527 } 20528 20529 @Override 20530 public void setPermissionEnforced(String permission, boolean enforced) { 20531 // TODO: Now that we no longer change GID for storage, this should to away. 20532 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20533 "setPermissionEnforced"); 20534 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20535 synchronized (mPackages) { 20536 if (mSettings.mReadExternalStorageEnforced == null 20537 || mSettings.mReadExternalStorageEnforced != enforced) { 20538 mSettings.mReadExternalStorageEnforced = enforced; 20539 mSettings.writeLPr(); 20540 } 20541 } 20542 // kill any non-foreground processes so we restart them and 20543 // grant/revoke the GID. 20544 final IActivityManager am = ActivityManagerNative.getDefault(); 20545 if (am != null) { 20546 final long token = Binder.clearCallingIdentity(); 20547 try { 20548 am.killProcessesBelowForeground("setPermissionEnforcement"); 20549 } catch (RemoteException e) { 20550 } finally { 20551 Binder.restoreCallingIdentity(token); 20552 } 20553 } 20554 } else { 20555 throw new IllegalArgumentException("No selective enforcement for " + permission); 20556 } 20557 } 20558 20559 @Override 20560 @Deprecated 20561 public boolean isPermissionEnforced(String permission) { 20562 return true; 20563 } 20564 20565 @Override 20566 public boolean isStorageLow() { 20567 final long token = Binder.clearCallingIdentity(); 20568 try { 20569 final DeviceStorageMonitorInternal 20570 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20571 if (dsm != null) { 20572 return dsm.isMemoryLow(); 20573 } else { 20574 return false; 20575 } 20576 } finally { 20577 Binder.restoreCallingIdentity(token); 20578 } 20579 } 20580 20581 @Override 20582 public IPackageInstaller getPackageInstaller() { 20583 return mInstallerService; 20584 } 20585 20586 private boolean userNeedsBadging(int userId) { 20587 int index = mUserNeedsBadging.indexOfKey(userId); 20588 if (index < 0) { 20589 final UserInfo userInfo; 20590 final long token = Binder.clearCallingIdentity(); 20591 try { 20592 userInfo = sUserManager.getUserInfo(userId); 20593 } finally { 20594 Binder.restoreCallingIdentity(token); 20595 } 20596 final boolean b; 20597 if (userInfo != null && userInfo.isManagedProfile()) { 20598 b = true; 20599 } else { 20600 b = false; 20601 } 20602 mUserNeedsBadging.put(userId, b); 20603 return b; 20604 } 20605 return mUserNeedsBadging.valueAt(index); 20606 } 20607 20608 @Override 20609 public KeySet getKeySetByAlias(String packageName, String alias) { 20610 if (packageName == null || alias == null) { 20611 return null; 20612 } 20613 synchronized(mPackages) { 20614 final PackageParser.Package pkg = mPackages.get(packageName); 20615 if (pkg == null) { 20616 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20617 throw new IllegalArgumentException("Unknown package: " + packageName); 20618 } 20619 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20620 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20621 } 20622 } 20623 20624 @Override 20625 public KeySet getSigningKeySet(String packageName) { 20626 if (packageName == null) { 20627 return null; 20628 } 20629 synchronized(mPackages) { 20630 final PackageParser.Package pkg = mPackages.get(packageName); 20631 if (pkg == null) { 20632 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20633 throw new IllegalArgumentException("Unknown package: " + packageName); 20634 } 20635 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20636 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20637 throw new SecurityException("May not access signing KeySet of other apps."); 20638 } 20639 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20640 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20641 } 20642 } 20643 20644 @Override 20645 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20646 if (packageName == null || ks == null) { 20647 return false; 20648 } 20649 synchronized(mPackages) { 20650 final PackageParser.Package pkg = mPackages.get(packageName); 20651 if (pkg == null) { 20652 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20653 throw new IllegalArgumentException("Unknown package: " + packageName); 20654 } 20655 IBinder ksh = ks.getToken(); 20656 if (ksh instanceof KeySetHandle) { 20657 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20658 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20659 } 20660 return false; 20661 } 20662 } 20663 20664 @Override 20665 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20666 if (packageName == null || ks == null) { 20667 return false; 20668 } 20669 synchronized(mPackages) { 20670 final PackageParser.Package pkg = mPackages.get(packageName); 20671 if (pkg == null) { 20672 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20673 throw new IllegalArgumentException("Unknown package: " + packageName); 20674 } 20675 IBinder ksh = ks.getToken(); 20676 if (ksh instanceof KeySetHandle) { 20677 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20678 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20679 } 20680 return false; 20681 } 20682 } 20683 20684 private void deletePackageIfUnusedLPr(final String packageName) { 20685 PackageSetting ps = mSettings.mPackages.get(packageName); 20686 if (ps == null) { 20687 return; 20688 } 20689 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20690 // TODO Implement atomic delete if package is unused 20691 // It is currently possible that the package will be deleted even if it is installed 20692 // after this method returns. 20693 mHandler.post(new Runnable() { 20694 public void run() { 20695 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20696 } 20697 }); 20698 } 20699 } 20700 20701 /** 20702 * Check and throw if the given before/after packages would be considered a 20703 * downgrade. 20704 */ 20705 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20706 throws PackageManagerException { 20707 if (after.versionCode < before.mVersionCode) { 20708 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20709 "Update version code " + after.versionCode + " is older than current " 20710 + before.mVersionCode); 20711 } else if (after.versionCode == before.mVersionCode) { 20712 if (after.baseRevisionCode < before.baseRevisionCode) { 20713 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20714 "Update base revision code " + after.baseRevisionCode 20715 + " is older than current " + before.baseRevisionCode); 20716 } 20717 20718 if (!ArrayUtils.isEmpty(after.splitNames)) { 20719 for (int i = 0; i < after.splitNames.length; i++) { 20720 final String splitName = after.splitNames[i]; 20721 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20722 if (j != -1) { 20723 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20724 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20725 "Update split " + splitName + " revision code " 20726 + after.splitRevisionCodes[i] + " is older than current " 20727 + before.splitRevisionCodes[j]); 20728 } 20729 } 20730 } 20731 } 20732 } 20733 } 20734 20735 private static class MoveCallbacks extends Handler { 20736 private static final int MSG_CREATED = 1; 20737 private static final int MSG_STATUS_CHANGED = 2; 20738 20739 private final RemoteCallbackList<IPackageMoveObserver> 20740 mCallbacks = new RemoteCallbackList<>(); 20741 20742 private final SparseIntArray mLastStatus = new SparseIntArray(); 20743 20744 public MoveCallbacks(Looper looper) { 20745 super(looper); 20746 } 20747 20748 public void register(IPackageMoveObserver callback) { 20749 mCallbacks.register(callback); 20750 } 20751 20752 public void unregister(IPackageMoveObserver callback) { 20753 mCallbacks.unregister(callback); 20754 } 20755 20756 @Override 20757 public void handleMessage(Message msg) { 20758 final SomeArgs args = (SomeArgs) msg.obj; 20759 final int n = mCallbacks.beginBroadcast(); 20760 for (int i = 0; i < n; i++) { 20761 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20762 try { 20763 invokeCallback(callback, msg.what, args); 20764 } catch (RemoteException ignored) { 20765 } 20766 } 20767 mCallbacks.finishBroadcast(); 20768 args.recycle(); 20769 } 20770 20771 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20772 throws RemoteException { 20773 switch (what) { 20774 case MSG_CREATED: { 20775 callback.onCreated(args.argi1, (Bundle) args.arg2); 20776 break; 20777 } 20778 case MSG_STATUS_CHANGED: { 20779 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20780 break; 20781 } 20782 } 20783 } 20784 20785 private void notifyCreated(int moveId, Bundle extras) { 20786 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20787 20788 final SomeArgs args = SomeArgs.obtain(); 20789 args.argi1 = moveId; 20790 args.arg2 = extras; 20791 obtainMessage(MSG_CREATED, args).sendToTarget(); 20792 } 20793 20794 private void notifyStatusChanged(int moveId, int status) { 20795 notifyStatusChanged(moveId, status, -1); 20796 } 20797 20798 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20799 Slog.v(TAG, "Move " + moveId + " status " + status); 20800 20801 final SomeArgs args = SomeArgs.obtain(); 20802 args.argi1 = moveId; 20803 args.argi2 = status; 20804 args.arg3 = estMillis; 20805 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20806 20807 synchronized (mLastStatus) { 20808 mLastStatus.put(moveId, status); 20809 } 20810 } 20811 } 20812 20813 private final static class OnPermissionChangeListeners extends Handler { 20814 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20815 20816 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20817 new RemoteCallbackList<>(); 20818 20819 public OnPermissionChangeListeners(Looper looper) { 20820 super(looper); 20821 } 20822 20823 @Override 20824 public void handleMessage(Message msg) { 20825 switch (msg.what) { 20826 case MSG_ON_PERMISSIONS_CHANGED: { 20827 final int uid = msg.arg1; 20828 handleOnPermissionsChanged(uid); 20829 } break; 20830 } 20831 } 20832 20833 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20834 mPermissionListeners.register(listener); 20835 20836 } 20837 20838 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20839 mPermissionListeners.unregister(listener); 20840 } 20841 20842 public void onPermissionsChanged(int uid) { 20843 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20844 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20845 } 20846 } 20847 20848 private void handleOnPermissionsChanged(int uid) { 20849 final int count = mPermissionListeners.beginBroadcast(); 20850 try { 20851 for (int i = 0; i < count; i++) { 20852 IOnPermissionsChangeListener callback = mPermissionListeners 20853 .getBroadcastItem(i); 20854 try { 20855 callback.onPermissionsChanged(uid); 20856 } catch (RemoteException e) { 20857 Log.e(TAG, "Permission listener is dead", e); 20858 } 20859 } 20860 } finally { 20861 mPermissionListeners.finishBroadcast(); 20862 } 20863 } 20864 } 20865 20866 private class PackageManagerInternalImpl extends PackageManagerInternal { 20867 @Override 20868 public void setLocationPackagesProvider(PackagesProvider provider) { 20869 synchronized (mPackages) { 20870 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20871 } 20872 } 20873 20874 @Override 20875 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20876 synchronized (mPackages) { 20877 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20878 } 20879 } 20880 20881 @Override 20882 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20883 synchronized (mPackages) { 20884 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20885 } 20886 } 20887 20888 @Override 20889 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20890 synchronized (mPackages) { 20891 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20892 } 20893 } 20894 20895 @Override 20896 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20897 synchronized (mPackages) { 20898 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20899 } 20900 } 20901 20902 @Override 20903 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20904 synchronized (mPackages) { 20905 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20906 } 20907 } 20908 20909 @Override 20910 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20911 synchronized (mPackages) { 20912 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20913 packageName, userId); 20914 } 20915 } 20916 20917 @Override 20918 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20919 synchronized (mPackages) { 20920 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20921 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20922 packageName, userId); 20923 } 20924 } 20925 20926 @Override 20927 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20928 synchronized (mPackages) { 20929 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20930 packageName, userId); 20931 } 20932 } 20933 20934 @Override 20935 public void setKeepUninstalledPackages(final List<String> packageList) { 20936 Preconditions.checkNotNull(packageList); 20937 List<String> removedFromList = null; 20938 synchronized (mPackages) { 20939 if (mKeepUninstalledPackages != null) { 20940 final int packagesCount = mKeepUninstalledPackages.size(); 20941 for (int i = 0; i < packagesCount; i++) { 20942 String oldPackage = mKeepUninstalledPackages.get(i); 20943 if (packageList != null && packageList.contains(oldPackage)) { 20944 continue; 20945 } 20946 if (removedFromList == null) { 20947 removedFromList = new ArrayList<>(); 20948 } 20949 removedFromList.add(oldPackage); 20950 } 20951 } 20952 mKeepUninstalledPackages = new ArrayList<>(packageList); 20953 if (removedFromList != null) { 20954 final int removedCount = removedFromList.size(); 20955 for (int i = 0; i < removedCount; i++) { 20956 deletePackageIfUnusedLPr(removedFromList.get(i)); 20957 } 20958 } 20959 } 20960 } 20961 20962 @Override 20963 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20964 synchronized (mPackages) { 20965 // If we do not support permission review, done. 20966 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20967 return false; 20968 } 20969 20970 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20971 if (packageSetting == null) { 20972 return false; 20973 } 20974 20975 // Permission review applies only to apps not supporting the new permission model. 20976 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20977 return false; 20978 } 20979 20980 // Legacy apps have the permission and get user consent on launch. 20981 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20982 return permissionsState.isPermissionReviewRequired(userId); 20983 } 20984 } 20985 20986 @Override 20987 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20988 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20989 } 20990 20991 @Override 20992 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20993 int userId) { 20994 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20995 } 20996 20997 @Override 20998 public void setDeviceAndProfileOwnerPackages( 20999 int deviceOwnerUserId, String deviceOwnerPackage, 21000 SparseArray<String> profileOwnerPackages) { 21001 mProtectedPackages.setDeviceAndProfileOwnerPackages( 21002 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 21003 } 21004 21005 @Override 21006 public boolean isPackageDataProtected(int userId, String packageName) { 21007 return mProtectedPackages.isPackageDataProtected(userId, packageName); 21008 } 21009 } 21010 21011 @Override 21012 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 21013 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 21014 synchronized (mPackages) { 21015 final long identity = Binder.clearCallingIdentity(); 21016 try { 21017 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 21018 packageNames, userId); 21019 } finally { 21020 Binder.restoreCallingIdentity(identity); 21021 } 21022 } 21023 } 21024 21025 private static void enforceSystemOrPhoneCaller(String tag) { 21026 int callingUid = Binder.getCallingUid(); 21027 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21028 throw new SecurityException( 21029 "Cannot call " + tag + " from UID " + callingUid); 21030 } 21031 } 21032 21033 boolean isHistoricalPackageUsageAvailable() { 21034 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21035 } 21036 21037 /** 21038 * Return a <b>copy</b> of the collection of packages known to the package manager. 21039 * @return A copy of the values of mPackages. 21040 */ 21041 Collection<PackageParser.Package> getPackages() { 21042 synchronized (mPackages) { 21043 return new ArrayList<>(mPackages.values()); 21044 } 21045 } 21046 21047 /** 21048 * Logs process start information (including base APK hash) to the security log. 21049 * @hide 21050 */ 21051 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21052 String apkFile, int pid) { 21053 if (!SecurityLog.isLoggingEnabled()) { 21054 return; 21055 } 21056 Bundle data = new Bundle(); 21057 data.putLong("startTimestamp", System.currentTimeMillis()); 21058 data.putString("processName", processName); 21059 data.putInt("uid", uid); 21060 data.putString("seinfo", seinfo); 21061 data.putString("apkFile", apkFile); 21062 data.putInt("pid", pid); 21063 Message msg = mProcessLoggingHandler.obtainMessage( 21064 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21065 msg.setData(data); 21066 mProcessLoggingHandler.sendMessage(msg); 21067 } 21068 21069 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21070 return mCompilerStats.getPackageStats(pkgName); 21071 } 21072 21073 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21074 return getOrCreateCompilerPackageStats(pkg.packageName); 21075 } 21076 21077 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21078 return mCompilerStats.getOrCreatePackageStats(pkgName); 21079 } 21080 21081 public void deleteCompilerPackageStats(String pkgName) { 21082 mCompilerStats.deletePackageStats(pkgName); 21083 } 21084} 21085