PackageManagerService.java revision 36ecd08dc1627a7ed9c0ef498b41c40a66d646b0
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 101 102import android.Manifest; 103import android.annotation.NonNull; 104import android.annotation.Nullable; 105import android.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.admin.DevicePolicyManagerInternal; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.Context; 115import android.content.IIntentReceiver; 116import android.content.Intent; 117import android.content.IntentFilter; 118import android.content.IntentSender; 119import android.content.IntentSender.SendIntentException; 120import android.content.ServiceConnection; 121import android.content.pm.ActivityInfo; 122import android.content.pm.ApplicationInfo; 123import android.content.pm.AppsQueryHelper; 124import android.content.pm.ComponentInfo; 125import android.content.pm.EphemeralApplicationInfo; 126import android.content.pm.EphemeralResolveInfo; 127import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 128import android.content.pm.FeatureInfo; 129import android.content.pm.IOnPermissionsChangeListener; 130import android.content.pm.IPackageDataObserver; 131import android.content.pm.IPackageDeleteObserver; 132import android.content.pm.IPackageDeleteObserver2; 133import android.content.pm.IPackageInstallObserver2; 134import android.content.pm.IPackageInstaller; 135import android.content.pm.IPackageManager; 136import android.content.pm.IPackageMoveObserver; 137import android.content.pm.IPackageStatsObserver; 138import android.content.pm.InstrumentationInfo; 139import android.content.pm.IntentFilterVerificationInfo; 140import android.content.pm.KeySet; 141import android.content.pm.PackageCleanItem; 142import android.content.pm.PackageInfo; 143import android.content.pm.PackageInfoLite; 144import android.content.pm.PackageInstaller; 145import android.content.pm.PackageManager; 146import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 147import android.content.pm.PackageManagerInternal; 148import android.content.pm.PackageParser; 149import android.content.pm.PackageParser.ActivityIntentInfo; 150import android.content.pm.PackageParser.PackageLite; 151import android.content.pm.PackageParser.PackageParserException; 152import android.content.pm.PackageStats; 153import android.content.pm.PackageUserState; 154import android.content.pm.ParceledListSlice; 155import android.content.pm.PermissionGroupInfo; 156import android.content.pm.PermissionInfo; 157import android.content.pm.ProviderInfo; 158import android.content.pm.ResolveInfo; 159import android.content.pm.ServiceInfo; 160import android.content.pm.Signature; 161import android.content.pm.UserInfo; 162import android.content.pm.VerifierDeviceIdentity; 163import android.content.pm.VerifierInfo; 164import android.content.res.Resources; 165import android.graphics.Bitmap; 166import android.hardware.display.DisplayManager; 167import android.net.INetworkPolicyManager; 168import android.net.Uri; 169import android.os.Binder; 170import android.os.Build; 171import android.os.Bundle; 172import android.os.Debug; 173import android.os.Environment; 174import android.os.Environment.UserEnvironment; 175import android.os.FileUtils; 176import android.os.Handler; 177import android.os.IBinder; 178import android.os.Looper; 179import android.os.Message; 180import android.os.Parcel; 181import android.os.ParcelFileDescriptor; 182import android.os.Process; 183import android.os.RemoteCallbackList; 184import android.os.RemoteException; 185import android.os.ResultReceiver; 186import android.os.SELinux; 187import android.os.ServiceManager; 188import android.os.SystemClock; 189import android.os.SystemProperties; 190import android.os.Trace; 191import android.os.UserHandle; 192import android.os.UserManager; 193import android.os.UserManagerInternal; 194import android.os.storage.IMountService; 195import android.os.storage.MountServiceInternal; 196import android.os.storage.StorageEventListener; 197import android.os.storage.StorageManager; 198import android.os.storage.VolumeInfo; 199import android.os.storage.VolumeRecord; 200import android.security.KeyStore; 201import android.security.SystemKeyStore; 202import android.system.ErrnoException; 203import android.system.Os; 204import android.text.TextUtils; 205import android.text.format.DateUtils; 206import android.util.ArrayMap; 207import android.util.ArraySet; 208import android.util.AtomicFile; 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.EventLogTags; 243import com.android.server.FgThread; 244import com.android.server.IntentResolver; 245import com.android.server.LocalServices; 246import com.android.server.ServiceThread; 247import com.android.server.SystemConfig; 248import com.android.server.Watchdog; 249import com.android.server.net.NetworkPolicyManagerInternal; 250import com.android.server.pm.PermissionsState.PermissionState; 251import com.android.server.pm.Settings.DatabaseVersion; 252import com.android.server.pm.Settings.VersionInfo; 253import com.android.server.storage.DeviceStorageMonitorInternal; 254 255import dalvik.system.CloseGuard; 256import dalvik.system.DexFile; 257import dalvik.system.VMRuntime; 258 259import libcore.io.IoUtils; 260import libcore.util.EmptyArray; 261 262import org.xmlpull.v1.XmlPullParser; 263import org.xmlpull.v1.XmlPullParserException; 264import org.xmlpull.v1.XmlSerializer; 265 266import java.io.BufferedInputStream; 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.InputStream; 280import java.io.PrintWriter; 281import java.nio.charset.StandardCharsets; 282import java.security.DigestInputStream; 283import java.security.MessageDigest; 284import java.security.NoSuchAlgorithmException; 285import java.security.PublicKey; 286import java.security.cert.Certificate; 287import java.security.cert.CertificateEncodingException; 288import java.security.cert.CertificateException; 289import java.text.SimpleDateFormat; 290import java.util.ArrayList; 291import java.util.Arrays; 292import java.util.Collection; 293import java.util.Collections; 294import java.util.Comparator; 295import java.util.Date; 296import java.util.HashSet; 297import java.util.Iterator; 298import java.util.List; 299import java.util.Map; 300import java.util.Objects; 301import java.util.Set; 302import java.util.concurrent.CountDownLatch; 303import java.util.concurrent.TimeUnit; 304import java.util.concurrent.atomic.AtomicBoolean; 305import java.util.concurrent.atomic.AtomicInteger; 306import java.util.concurrent.atomic.AtomicLong; 307 308/** 309 * Keep track of all those APKs everywhere. 310 * <p> 311 * Internally there are two important locks: 312 * <ul> 313 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 314 * and other related state. It is a fine-grained lock that should only be held 315 * momentarily, as it's one of the most contended locks in the system. 316 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 317 * operations typically involve heavy lifting of application data on disk. Since 318 * {@code installd} is single-threaded, and it's operations can often be slow, 319 * this lock should never be acquired while already holding {@link #mPackages}. 320 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 321 * holding {@link #mInstallLock}. 322 * </ul> 323 * Many internal methods rely on the caller to hold the appropriate locks, and 324 * this contract is expressed through method name suffixes: 325 * <ul> 326 * <li>fooLI(): the caller must hold {@link #mInstallLock} 327 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 328 * being modified must be frozen 329 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 330 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 331 * </ul> 332 * <p> 333 * Because this class is very central to the platform's security; please run all 334 * CTS and unit tests whenever making modifications: 335 * 336 * <pre> 337 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 338 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 339 * </pre> 340 */ 341public class PackageManagerService extends IPackageManager.Stub { 342 static final String TAG = "PackageManager"; 343 static final boolean DEBUG_SETTINGS = false; 344 static final boolean DEBUG_PREFERRED = false; 345 static final boolean DEBUG_UPGRADE = false; 346 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 347 private static final boolean DEBUG_BACKUP = false; 348 private static final boolean DEBUG_INSTALL = false; 349 private static final boolean DEBUG_REMOVE = false; 350 private static final boolean DEBUG_BROADCASTS = false; 351 private static final boolean DEBUG_SHOW_INFO = false; 352 private static final boolean DEBUG_PACKAGE_INFO = false; 353 private static final boolean DEBUG_INTENT_MATCHING = false; 354 private static final boolean DEBUG_PACKAGE_SCANNING = false; 355 private static final boolean DEBUG_VERIFY = false; 356 private static final boolean DEBUG_FILTERS = false; 357 358 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 359 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 360 // user, but by default initialize to this. 361 static final boolean DEBUG_DEXOPT = false; 362 363 private static final boolean DEBUG_ABI_SELECTION = false; 364 private static final boolean DEBUG_EPHEMERAL = false; 365 private static final boolean DEBUG_TRIAGED_MISSING = false; 366 private static final boolean DEBUG_APP_DATA = false; 367 368 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 369 370 private static final boolean DISABLE_EPHEMERAL_APPS = true; 371 372 private static final int RADIO_UID = Process.PHONE_UID; 373 private static final int LOG_UID = Process.LOG_UID; 374 private static final int NFC_UID = Process.NFC_UID; 375 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 376 private static final int SHELL_UID = Process.SHELL_UID; 377 378 // Cap the size of permission trees that 3rd party apps can define 379 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 380 381 // Suffix used during package installation when copying/moving 382 // package apks to install directory. 383 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 384 385 static final int SCAN_NO_DEX = 1<<1; 386 static final int SCAN_FORCE_DEX = 1<<2; 387 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 388 static final int SCAN_NEW_INSTALL = 1<<4; 389 static final int SCAN_NO_PATHS = 1<<5; 390 static final int SCAN_UPDATE_TIME = 1<<6; 391 static final int SCAN_DEFER_DEX = 1<<7; 392 static final int SCAN_BOOTING = 1<<8; 393 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 394 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 395 static final int SCAN_REPLACING = 1<<11; 396 static final int SCAN_REQUIRE_KNOWN = 1<<12; 397 static final int SCAN_MOVE = 1<<13; 398 static final int SCAN_INITIAL = 1<<14; 399 static final int SCAN_CHECK_ONLY = 1<<15; 400 static final int SCAN_DONT_KILL_APP = 1<<17; 401 static final int SCAN_IGNORE_FROZEN = 1<<18; 402 403 static final int REMOVE_CHATTY = 1<<16; 404 405 private static final int[] EMPTY_INT_ARRAY = new int[0]; 406 407 /** 408 * Timeout (in milliseconds) after which the watchdog should declare that 409 * our handler thread is wedged. The usual default for such things is one 410 * minute but we sometimes do very lengthy I/O operations on this thread, 411 * such as installing multi-gigabyte applications, so ours needs to be longer. 412 */ 413 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 414 415 /** 416 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 417 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 418 * settings entry if available, otherwise we use the hardcoded default. If it's been 419 * more than this long since the last fstrim, we force one during the boot sequence. 420 * 421 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 422 * one gets run at the next available charging+idle time. This final mandatory 423 * no-fstrim check kicks in only of the other scheduling criteria is never met. 424 */ 425 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 426 427 /** 428 * Whether verification is enabled by default. 429 */ 430 private static final boolean DEFAULT_VERIFY_ENABLE = true; 431 432 /** 433 * The default maximum time to wait for the verification agent to return in 434 * milliseconds. 435 */ 436 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 437 438 /** 439 * The default response for package verification timeout. 440 * 441 * This can be either PackageManager.VERIFICATION_ALLOW or 442 * PackageManager.VERIFICATION_REJECT. 443 */ 444 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 445 446 static final String PLATFORM_PACKAGE_NAME = "android"; 447 448 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 449 450 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 451 DEFAULT_CONTAINER_PACKAGE, 452 "com.android.defcontainer.DefaultContainerService"); 453 454 private static final String KILL_APP_REASON_GIDS_CHANGED = 455 "permission grant or revoke changed gids"; 456 457 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 458 "permissions revoked"; 459 460 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 461 462 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 463 464 /** Permission grant: not grant the permission. */ 465 private static final int GRANT_DENIED = 1; 466 467 /** Permission grant: grant the permission as an install permission. */ 468 private static final int GRANT_INSTALL = 2; 469 470 /** Permission grant: grant the permission as a runtime one. */ 471 private static final int GRANT_RUNTIME = 3; 472 473 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 474 private static final int GRANT_UPGRADE = 4; 475 476 /** Canonical intent used to identify what counts as a "web browser" app */ 477 private static final Intent sBrowserIntent; 478 static { 479 sBrowserIntent = new Intent(); 480 sBrowserIntent.setAction(Intent.ACTION_VIEW); 481 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 482 sBrowserIntent.setData(Uri.parse("http:")); 483 } 484 485 /** 486 * The set of all protected actions [i.e. those actions for which a high priority 487 * intent filter is disallowed]. 488 */ 489 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 490 static { 491 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 492 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 493 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 494 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 495 } 496 497 // Compilation reasons. 498 public static final int REASON_FIRST_BOOT = 0; 499 public static final int REASON_BOOT = 1; 500 public static final int REASON_INSTALL = 2; 501 public static final int REASON_BACKGROUND_DEXOPT = 3; 502 public static final int REASON_AB_OTA = 4; 503 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 504 public static final int REASON_SHARED_APK = 6; 505 public static final int REASON_FORCED_DEXOPT = 7; 506 507 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 508 509 /** Special library name that skips shared libraries check during compilation. */ 510 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 511 512 final ServiceThread mHandlerThread; 513 514 final PackageHandler mHandler; 515 516 private final ProcessLoggingHandler mProcessLoggingHandler; 517 518 /** 519 * Messages for {@link #mHandler} that need to wait for system ready before 520 * being dispatched. 521 */ 522 private ArrayList<Message> mPostSystemReadyMessages; 523 524 final int mSdkVersion = Build.VERSION.SDK_INT; 525 526 final Context mContext; 527 final boolean mFactoryTest; 528 final boolean mOnlyCore; 529 final DisplayMetrics mMetrics; 530 final int mDefParseFlags; 531 final String[] mSeparateProcesses; 532 final boolean mIsUpgrade; 533 final boolean mIsPreNUpgrade; 534 535 /** The location for ASEC container files on internal storage. */ 536 final String mAsecInternalPath; 537 538 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 539 // LOCK HELD. Can be called with mInstallLock held. 540 @GuardedBy("mInstallLock") 541 final Installer mInstaller; 542 543 /** Directory where installed third-party apps stored */ 544 final File mAppInstallDir; 545 final File mEphemeralInstallDir; 546 547 /** 548 * Directory to which applications installed internally have their 549 * 32 bit native libraries copied. 550 */ 551 private File mAppLib32InstallDir; 552 553 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 554 // apps. 555 final File mDrmAppPrivateInstallDir; 556 557 // ---------------------------------------------------------------- 558 559 // Lock for state used when installing and doing other long running 560 // operations. Methods that must be called with this lock held have 561 // the suffix "LI". 562 final Object mInstallLock = new Object(); 563 564 // ---------------------------------------------------------------- 565 566 // Keys are String (package name), values are Package. This also serves 567 // as the lock for the global state. Methods that must be called with 568 // this lock held have the prefix "LP". 569 @GuardedBy("mPackages") 570 final ArrayMap<String, PackageParser.Package> mPackages = 571 new ArrayMap<String, PackageParser.Package>(); 572 573 final ArrayMap<String, Set<String>> mKnownCodebase = 574 new ArrayMap<String, Set<String>>(); 575 576 // Tracks available target package names -> overlay package paths. 577 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 578 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 579 580 /** 581 * Tracks new system packages [received in an OTA] that we expect to 582 * find updated user-installed versions. Keys are package name, values 583 * are package location. 584 */ 585 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 586 /** 587 * Tracks high priority intent filters for protected actions. During boot, certain 588 * filter actions are protected and should never be allowed to have a high priority 589 * intent filter for them. However, there is one, and only one exception -- the 590 * setup wizard. It must be able to define a high priority intent filter for these 591 * actions to ensure there are no escapes from the wizard. We need to delay processing 592 * of these during boot as we need to look at all of the system packages in order 593 * to know which component is the setup wizard. 594 */ 595 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 596 /** 597 * Whether or not processing protected filters should be deferred. 598 */ 599 private boolean mDeferProtectedFilters = true; 600 601 /** 602 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 603 */ 604 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 605 /** 606 * Whether or not system app permissions should be promoted from install to runtime. 607 */ 608 boolean mPromoteSystemApps; 609 610 @GuardedBy("mPackages") 611 final Settings mSettings; 612 613 /** 614 * Set of package names that are currently "frozen", which means active 615 * surgery is being done on the code/data for that package. The platform 616 * will refuse to launch frozen packages to avoid race conditions. 617 * 618 * @see PackageFreezer 619 */ 620 @GuardedBy("mPackages") 621 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 622 623 boolean mRestoredSettings; 624 625 // System configuration read by SystemConfig. 626 final int[] mGlobalGids; 627 final SparseArray<ArraySet<String>> mSystemPermissions; 628 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 629 630 // If mac_permissions.xml was found for seinfo labeling. 631 boolean mFoundPolicyFile; 632 633 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 634 635 public static final class SharedLibraryEntry { 636 public final String path; 637 public final String apk; 638 639 SharedLibraryEntry(String _path, String _apk) { 640 path = _path; 641 apk = _apk; 642 } 643 } 644 645 // Currently known shared libraries. 646 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 647 new ArrayMap<String, SharedLibraryEntry>(); 648 649 // All available activities, for your resolving pleasure. 650 final ActivityIntentResolver mActivities = 651 new ActivityIntentResolver(); 652 653 // All available receivers, for your resolving pleasure. 654 final ActivityIntentResolver mReceivers = 655 new ActivityIntentResolver(); 656 657 // All available services, for your resolving pleasure. 658 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 659 660 // All available providers, for your resolving pleasure. 661 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 662 663 // Mapping from provider base names (first directory in content URI codePath) 664 // to the provider information. 665 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 666 new ArrayMap<String, PackageParser.Provider>(); 667 668 // Mapping from instrumentation class names to info about them. 669 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 670 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 671 672 // Mapping from permission names to info about them. 673 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 674 new ArrayMap<String, PackageParser.PermissionGroup>(); 675 676 // Packages whose data we have transfered into another package, thus 677 // should no longer exist. 678 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 679 680 // Broadcast actions that are only available to the system. 681 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 682 683 /** List of packages waiting for verification. */ 684 final SparseArray<PackageVerificationState> mPendingVerification 685 = new SparseArray<PackageVerificationState>(); 686 687 /** Set of packages associated with each app op permission. */ 688 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 689 690 final PackageInstallerService mInstallerService; 691 692 private final PackageDexOptimizer mPackageDexOptimizer; 693 694 private AtomicInteger mNextMoveId = new AtomicInteger(); 695 private final MoveCallbacks mMoveCallbacks; 696 697 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 698 699 // Cache of users who need badging. 700 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 701 702 /** Token for keys in mPendingVerification. */ 703 private int mPendingVerificationToken = 0; 704 705 volatile boolean mSystemReady; 706 volatile boolean mSafeMode; 707 volatile boolean mHasSystemUidErrors; 708 709 ApplicationInfo mAndroidApplication; 710 final ActivityInfo mResolveActivity = new ActivityInfo(); 711 final ResolveInfo mResolveInfo = new ResolveInfo(); 712 ComponentName mResolveComponentName; 713 PackageParser.Package mPlatformPackage; 714 ComponentName mCustomResolverComponentName; 715 716 boolean mResolverReplaced = false; 717 718 private final @Nullable ComponentName mIntentFilterVerifierComponent; 719 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 720 721 private int mIntentFilterVerificationToken = 0; 722 723 /** Component that knows whether or not an ephemeral application exists */ 724 final ComponentName mEphemeralResolverComponent; 725 /** The service connection to the ephemeral resolver */ 726 final EphemeralResolverConnection mEphemeralResolverConnection; 727 728 /** Component used to install ephemeral applications */ 729 final ComponentName mEphemeralInstallerComponent; 730 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 731 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 732 733 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 734 = new SparseArray<IntentFilterVerificationState>(); 735 736 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 737 new DefaultPermissionGrantPolicy(this); 738 739 // List of packages names to keep cached, even if they are uninstalled for all users 740 private List<String> mKeepUninstalledPackages; 741 742 private UserManagerInternal mUserManagerInternal; 743 744 private static class IFVerificationParams { 745 PackageParser.Package pkg; 746 boolean replacing; 747 int userId; 748 int verifierUid; 749 750 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 751 int _userId, int _verifierUid) { 752 pkg = _pkg; 753 replacing = _replacing; 754 userId = _userId; 755 replacing = _replacing; 756 verifierUid = _verifierUid; 757 } 758 } 759 760 private interface IntentFilterVerifier<T extends IntentFilter> { 761 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 762 T filter, String packageName); 763 void startVerifications(int userId); 764 void receiveVerificationResponse(int verificationId); 765 } 766 767 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 768 private Context mContext; 769 private ComponentName mIntentFilterVerifierComponent; 770 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 771 772 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 773 mContext = context; 774 mIntentFilterVerifierComponent = verifierComponent; 775 } 776 777 private String getDefaultScheme() { 778 return IntentFilter.SCHEME_HTTPS; 779 } 780 781 @Override 782 public void startVerifications(int userId) { 783 // Launch verifications requests 784 int count = mCurrentIntentFilterVerifications.size(); 785 for (int n=0; n<count; n++) { 786 int verificationId = mCurrentIntentFilterVerifications.get(n); 787 final IntentFilterVerificationState ivs = 788 mIntentFilterVerificationStates.get(verificationId); 789 790 String packageName = ivs.getPackageName(); 791 792 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 793 final int filterCount = filters.size(); 794 ArraySet<String> domainsSet = new ArraySet<>(); 795 for (int m=0; m<filterCount; m++) { 796 PackageParser.ActivityIntentInfo filter = filters.get(m); 797 domainsSet.addAll(filter.getHostsList()); 798 } 799 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 800 synchronized (mPackages) { 801 if (mSettings.createIntentFilterVerificationIfNeededLPw( 802 packageName, domainsList) != null) { 803 scheduleWriteSettingsLocked(); 804 } 805 } 806 sendVerificationRequest(userId, verificationId, ivs); 807 } 808 mCurrentIntentFilterVerifications.clear(); 809 } 810 811 private void sendVerificationRequest(int userId, int verificationId, 812 IntentFilterVerificationState ivs) { 813 814 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 815 verificationIntent.putExtra( 816 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 817 verificationId); 818 verificationIntent.putExtra( 819 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 820 getDefaultScheme()); 821 verificationIntent.putExtra( 822 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 823 ivs.getHostsString()); 824 verificationIntent.putExtra( 825 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 826 ivs.getPackageName()); 827 verificationIntent.setComponent(mIntentFilterVerifierComponent); 828 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 829 830 UserHandle user = new UserHandle(userId); 831 mContext.sendBroadcastAsUser(verificationIntent, user); 832 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 833 "Sending IntentFilter verification broadcast"); 834 } 835 836 public void receiveVerificationResponse(int verificationId) { 837 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 838 839 final boolean verified = ivs.isVerified(); 840 841 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 842 final int count = filters.size(); 843 if (DEBUG_DOMAIN_VERIFICATION) { 844 Slog.i(TAG, "Received verification response " + verificationId 845 + " for " + count + " filters, verified=" + verified); 846 } 847 for (int n=0; n<count; n++) { 848 PackageParser.ActivityIntentInfo filter = filters.get(n); 849 filter.setVerified(verified); 850 851 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 852 + " verified with result:" + verified + " and hosts:" 853 + ivs.getHostsString()); 854 } 855 856 mIntentFilterVerificationStates.remove(verificationId); 857 858 final String packageName = ivs.getPackageName(); 859 IntentFilterVerificationInfo ivi = null; 860 861 synchronized (mPackages) { 862 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 863 } 864 if (ivi == null) { 865 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 866 + verificationId + " packageName:" + packageName); 867 return; 868 } 869 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 870 "Updating IntentFilterVerificationInfo for package " + packageName 871 +" verificationId:" + verificationId); 872 873 synchronized (mPackages) { 874 if (verified) { 875 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 876 } else { 877 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 878 } 879 scheduleWriteSettingsLocked(); 880 881 final int userId = ivs.getUserId(); 882 if (userId != UserHandle.USER_ALL) { 883 final int userStatus = 884 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 885 886 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 887 boolean needUpdate = false; 888 889 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 890 // already been set by the User thru the Disambiguation dialog 891 switch (userStatus) { 892 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 893 if (verified) { 894 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 895 } else { 896 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 897 } 898 needUpdate = true; 899 break; 900 901 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 902 if (verified) { 903 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 904 needUpdate = true; 905 } 906 break; 907 908 default: 909 // Nothing to do 910 } 911 912 if (needUpdate) { 913 mSettings.updateIntentFilterVerificationStatusLPw( 914 packageName, updatedStatus, userId); 915 scheduleWritePackageRestrictionsLocked(userId); 916 } 917 } 918 } 919 } 920 921 @Override 922 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 923 ActivityIntentInfo filter, String packageName) { 924 if (!hasValidDomains(filter)) { 925 return false; 926 } 927 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 928 if (ivs == null) { 929 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 930 packageName); 931 } 932 if (DEBUG_DOMAIN_VERIFICATION) { 933 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 934 } 935 ivs.addFilter(filter); 936 return true; 937 } 938 939 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 940 int userId, int verificationId, String packageName) { 941 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 942 verifierUid, userId, packageName); 943 ivs.setPendingState(); 944 synchronized (mPackages) { 945 mIntentFilterVerificationStates.append(verificationId, ivs); 946 mCurrentIntentFilterVerifications.add(verificationId); 947 } 948 return ivs; 949 } 950 } 951 952 private static boolean hasValidDomains(ActivityIntentInfo filter) { 953 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 954 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 955 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 956 } 957 958 // Set of pending broadcasts for aggregating enable/disable of components. 959 static class PendingPackageBroadcasts { 960 // for each user id, a map of <package name -> components within that package> 961 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 962 963 public PendingPackageBroadcasts() { 964 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 965 } 966 967 public ArrayList<String> get(int userId, String packageName) { 968 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 969 return packages.get(packageName); 970 } 971 972 public void put(int userId, String packageName, ArrayList<String> components) { 973 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 974 packages.put(packageName, components); 975 } 976 977 public void remove(int userId, String packageName) { 978 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 979 if (packages != null) { 980 packages.remove(packageName); 981 } 982 } 983 984 public void remove(int userId) { 985 mUidMap.remove(userId); 986 } 987 988 public int userIdCount() { 989 return mUidMap.size(); 990 } 991 992 public int userIdAt(int n) { 993 return mUidMap.keyAt(n); 994 } 995 996 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 997 return mUidMap.get(userId); 998 } 999 1000 public int size() { 1001 // total number of pending broadcast entries across all userIds 1002 int num = 0; 1003 for (int i = 0; i< mUidMap.size(); i++) { 1004 num += mUidMap.valueAt(i).size(); 1005 } 1006 return num; 1007 } 1008 1009 public void clear() { 1010 mUidMap.clear(); 1011 } 1012 1013 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1014 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1015 if (map == null) { 1016 map = new ArrayMap<String, ArrayList<String>>(); 1017 mUidMap.put(userId, map); 1018 } 1019 return map; 1020 } 1021 } 1022 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1023 1024 // Service Connection to remote media container service to copy 1025 // package uri's from external media onto secure containers 1026 // or internal storage. 1027 private IMediaContainerService mContainerService = null; 1028 1029 static final int SEND_PENDING_BROADCAST = 1; 1030 static final int MCS_BOUND = 3; 1031 static final int END_COPY = 4; 1032 static final int INIT_COPY = 5; 1033 static final int MCS_UNBIND = 6; 1034 static final int START_CLEANING_PACKAGE = 7; 1035 static final int FIND_INSTALL_LOC = 8; 1036 static final int POST_INSTALL = 9; 1037 static final int MCS_RECONNECT = 10; 1038 static final int MCS_GIVE_UP = 11; 1039 static final int UPDATED_MEDIA_STATUS = 12; 1040 static final int WRITE_SETTINGS = 13; 1041 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1042 static final int PACKAGE_VERIFIED = 15; 1043 static final int CHECK_PENDING_VERIFICATION = 16; 1044 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1045 static final int INTENT_FILTER_VERIFIED = 18; 1046 1047 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1048 1049 // Delay time in millisecs 1050 static final int BROADCAST_DELAY = 10 * 1000; 1051 1052 static UserManagerService sUserManager; 1053 1054 // Stores a list of users whose package restrictions file needs to be updated 1055 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1056 1057 final private DefaultContainerConnection mDefContainerConn = 1058 new DefaultContainerConnection(); 1059 class DefaultContainerConnection implements ServiceConnection { 1060 public void onServiceConnected(ComponentName name, IBinder service) { 1061 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1062 IMediaContainerService imcs = 1063 IMediaContainerService.Stub.asInterface(service); 1064 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1065 } 1066 1067 public void onServiceDisconnected(ComponentName name) { 1068 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1069 } 1070 } 1071 1072 // Recordkeeping of restore-after-install operations that are currently in flight 1073 // between the Package Manager and the Backup Manager 1074 static class PostInstallData { 1075 public InstallArgs args; 1076 public PackageInstalledInfo res; 1077 1078 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1079 args = _a; 1080 res = _r; 1081 } 1082 } 1083 1084 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1085 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1086 1087 // XML tags for backup/restore of various bits of state 1088 private static final String TAG_PREFERRED_BACKUP = "pa"; 1089 private static final String TAG_DEFAULT_APPS = "da"; 1090 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1091 1092 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1093 private static final String TAG_ALL_GRANTS = "rt-grants"; 1094 private static final String TAG_GRANT = "grant"; 1095 private static final String ATTR_PACKAGE_NAME = "pkg"; 1096 1097 private static final String TAG_PERMISSION = "perm"; 1098 private static final String ATTR_PERMISSION_NAME = "name"; 1099 private static final String ATTR_IS_GRANTED = "g"; 1100 private static final String ATTR_USER_SET = "set"; 1101 private static final String ATTR_USER_FIXED = "fixed"; 1102 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1103 1104 // System/policy permission grants are not backed up 1105 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1106 FLAG_PERMISSION_POLICY_FIXED 1107 | FLAG_PERMISSION_SYSTEM_FIXED 1108 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1109 1110 // And we back up these user-adjusted states 1111 private static final int USER_RUNTIME_GRANT_MASK = 1112 FLAG_PERMISSION_USER_SET 1113 | FLAG_PERMISSION_USER_FIXED 1114 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1115 1116 final @Nullable String mRequiredVerifierPackage; 1117 final @NonNull String mRequiredInstallerPackage; 1118 final @Nullable String mSetupWizardPackage; 1119 final @NonNull String mServicesSystemSharedLibraryPackageName; 1120 final @NonNull String mSharedSystemSharedLibraryPackageName; 1121 1122 private final PackageUsage mPackageUsage = new PackageUsage(); 1123 1124 private class PackageUsage { 1125 private static final int WRITE_INTERVAL 1126 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1127 1128 private final Object mFileLock = new Object(); 1129 private final AtomicLong mLastWritten = new AtomicLong(0); 1130 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1131 1132 private boolean mIsHistoricalPackageUsageAvailable = true; 1133 1134 boolean isHistoricalPackageUsageAvailable() { 1135 return mIsHistoricalPackageUsageAvailable; 1136 } 1137 1138 void write(boolean force) { 1139 if (force) { 1140 writeInternal(); 1141 return; 1142 } 1143 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1144 && !DEBUG_DEXOPT) { 1145 return; 1146 } 1147 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1148 new Thread("PackageUsage_DiskWriter") { 1149 @Override 1150 public void run() { 1151 try { 1152 writeInternal(); 1153 } finally { 1154 mBackgroundWriteRunning.set(false); 1155 } 1156 } 1157 }.start(); 1158 } 1159 } 1160 1161 private void writeInternal() { 1162 synchronized (mPackages) { 1163 synchronized (mFileLock) { 1164 AtomicFile file = getFile(); 1165 FileOutputStream f = null; 1166 try { 1167 f = file.startWrite(); 1168 BufferedOutputStream out = new BufferedOutputStream(f); 1169 FileUtils.setPermissions(file.getBaseFile().getPath(), 1170 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1171 StringBuilder sb = new StringBuilder(); 1172 1173 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1174 sb.append('\n'); 1175 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1176 1177 for (PackageParser.Package pkg : mPackages.values()) { 1178 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1179 continue; 1180 } 1181 sb.setLength(0); 1182 sb.append(pkg.packageName); 1183 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1184 sb.append(' '); 1185 sb.append(usageTimeInMillis); 1186 } 1187 sb.append('\n'); 1188 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1189 } 1190 out.flush(); 1191 file.finishWrite(f); 1192 } catch (IOException e) { 1193 if (f != null) { 1194 file.failWrite(f); 1195 } 1196 Log.e(TAG, "Failed to write package usage times", e); 1197 } 1198 } 1199 } 1200 mLastWritten.set(SystemClock.elapsedRealtime()); 1201 } 1202 1203 void readLP() { 1204 synchronized (mFileLock) { 1205 AtomicFile file = getFile(); 1206 BufferedInputStream in = null; 1207 try { 1208 in = new BufferedInputStream(file.openRead()); 1209 StringBuffer sb = new StringBuffer(); 1210 1211 String firstLine = readLine(in, sb); 1212 if (firstLine.equals(USAGE_FILE_MAGIC_VERSION_1)) { 1213 readVersion1LP(in, sb); 1214 } else { 1215 readVersion0LP(in, sb, firstLine); 1216 } 1217 } catch (FileNotFoundException expected) { 1218 mIsHistoricalPackageUsageAvailable = false; 1219 } catch (IOException e) { 1220 Log.w(TAG, "Failed to read package usage times", e); 1221 } finally { 1222 IoUtils.closeQuietly(in); 1223 } 1224 } 1225 mLastWritten.set(SystemClock.elapsedRealtime()); 1226 } 1227 1228 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1229 throws IOException { 1230 // Initial version of the file had no version number and stored one 1231 // package-timestamp pair per line. 1232 // Note that the first line has already been read from the InputStream. 1233 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1234 String[] tokens = line.split(" "); 1235 if (tokens.length != 2) { 1236 throw new IOException("Failed to parse " + line + 1237 " as package-timestamp pair."); 1238 } 1239 1240 String packageName = tokens[0]; 1241 PackageParser.Package pkg = mPackages.get(packageName); 1242 if (pkg == null) { 1243 continue; 1244 } 1245 1246 long timestamp = parseAsLong(tokens[1]); 1247 for (int reason = 0; 1248 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1249 reason++) { 1250 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1251 } 1252 } 1253 } 1254 1255 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1256 // Version 1 of the file started with the corresponding version 1257 // number and then stored a package name and eight timestamps per line. 1258 String line; 1259 while ((line = readLine(in, sb)) != null) { 1260 String[] tokens = line.split(" "); 1261 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1262 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1263 } 1264 1265 String packageName = tokens[0]; 1266 PackageParser.Package pkg = mPackages.get(packageName); 1267 if (pkg == null) { 1268 continue; 1269 } 1270 1271 for (int reason = 0; 1272 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1273 reason++) { 1274 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1275 } 1276 } 1277 } 1278 1279 private long parseAsLong(String token) throws IOException { 1280 try { 1281 return Long.parseLong(token); 1282 } catch (NumberFormatException e) { 1283 throw new IOException("Failed to parse " + token + " as a long.", e); 1284 } 1285 } 1286 1287 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1288 return readToken(in, sb, '\n'); 1289 } 1290 1291 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1292 throws IOException { 1293 sb.setLength(0); 1294 while (true) { 1295 int ch = in.read(); 1296 if (ch == -1) { 1297 if (sb.length() == 0) { 1298 return null; 1299 } 1300 throw new IOException("Unexpected EOF"); 1301 } 1302 if (ch == endOfToken) { 1303 return sb.toString(); 1304 } 1305 sb.append((char)ch); 1306 } 1307 } 1308 1309 private AtomicFile getFile() { 1310 File dataDir = Environment.getDataDirectory(); 1311 File systemDir = new File(dataDir, "system"); 1312 File fname = new File(systemDir, "package-usage.list"); 1313 return new AtomicFile(fname); 1314 } 1315 1316 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1317 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1318 } 1319 1320 class PackageHandler extends Handler { 1321 private boolean mBound = false; 1322 final ArrayList<HandlerParams> mPendingInstalls = 1323 new ArrayList<HandlerParams>(); 1324 1325 private boolean connectToService() { 1326 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1327 " DefaultContainerService"); 1328 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1329 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1330 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1331 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1332 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1333 mBound = true; 1334 return true; 1335 } 1336 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1337 return false; 1338 } 1339 1340 private void disconnectService() { 1341 mContainerService = null; 1342 mBound = false; 1343 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1344 mContext.unbindService(mDefContainerConn); 1345 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1346 } 1347 1348 PackageHandler(Looper looper) { 1349 super(looper); 1350 } 1351 1352 public void handleMessage(Message msg) { 1353 try { 1354 doHandleMessage(msg); 1355 } finally { 1356 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1357 } 1358 } 1359 1360 void doHandleMessage(Message msg) { 1361 switch (msg.what) { 1362 case INIT_COPY: { 1363 HandlerParams params = (HandlerParams) msg.obj; 1364 int idx = mPendingInstalls.size(); 1365 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1366 // If a bind was already initiated we dont really 1367 // need to do anything. The pending install 1368 // will be processed later on. 1369 if (!mBound) { 1370 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1371 System.identityHashCode(mHandler)); 1372 // If this is the only one pending we might 1373 // have to bind to the service again. 1374 if (!connectToService()) { 1375 Slog.e(TAG, "Failed to bind to media container service"); 1376 params.serviceError(); 1377 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1378 System.identityHashCode(mHandler)); 1379 if (params.traceMethod != null) { 1380 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1381 params.traceCookie); 1382 } 1383 return; 1384 } else { 1385 // Once we bind to the service, the first 1386 // pending request will be processed. 1387 mPendingInstalls.add(idx, params); 1388 } 1389 } else { 1390 mPendingInstalls.add(idx, params); 1391 // Already bound to the service. Just make 1392 // sure we trigger off processing the first request. 1393 if (idx == 0) { 1394 mHandler.sendEmptyMessage(MCS_BOUND); 1395 } 1396 } 1397 break; 1398 } 1399 case MCS_BOUND: { 1400 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1401 if (msg.obj != null) { 1402 mContainerService = (IMediaContainerService) msg.obj; 1403 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1404 System.identityHashCode(mHandler)); 1405 } 1406 if (mContainerService == null) { 1407 if (!mBound) { 1408 // Something seriously wrong since we are not bound and we are not 1409 // waiting for connection. Bail out. 1410 Slog.e(TAG, "Cannot bind to media container service"); 1411 for (HandlerParams params : mPendingInstalls) { 1412 // Indicate service bind error 1413 params.serviceError(); 1414 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1415 System.identityHashCode(params)); 1416 if (params.traceMethod != null) { 1417 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1418 params.traceMethod, params.traceCookie); 1419 } 1420 return; 1421 } 1422 mPendingInstalls.clear(); 1423 } else { 1424 Slog.w(TAG, "Waiting to connect to media container service"); 1425 } 1426 } else if (mPendingInstalls.size() > 0) { 1427 HandlerParams params = mPendingInstalls.get(0); 1428 if (params != null) { 1429 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1430 System.identityHashCode(params)); 1431 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1432 if (params.startCopy()) { 1433 // We are done... look for more work or to 1434 // go idle. 1435 if (DEBUG_SD_INSTALL) Log.i(TAG, 1436 "Checking for more work or unbind..."); 1437 // Delete pending install 1438 if (mPendingInstalls.size() > 0) { 1439 mPendingInstalls.remove(0); 1440 } 1441 if (mPendingInstalls.size() == 0) { 1442 if (mBound) { 1443 if (DEBUG_SD_INSTALL) Log.i(TAG, 1444 "Posting delayed MCS_UNBIND"); 1445 removeMessages(MCS_UNBIND); 1446 Message ubmsg = obtainMessage(MCS_UNBIND); 1447 // Unbind after a little delay, to avoid 1448 // continual thrashing. 1449 sendMessageDelayed(ubmsg, 10000); 1450 } 1451 } else { 1452 // There are more pending requests in queue. 1453 // Just post MCS_BOUND message to trigger processing 1454 // of next pending install. 1455 if (DEBUG_SD_INSTALL) Log.i(TAG, 1456 "Posting MCS_BOUND for next work"); 1457 mHandler.sendEmptyMessage(MCS_BOUND); 1458 } 1459 } 1460 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1461 } 1462 } else { 1463 // Should never happen ideally. 1464 Slog.w(TAG, "Empty queue"); 1465 } 1466 break; 1467 } 1468 case MCS_RECONNECT: { 1469 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1470 if (mPendingInstalls.size() > 0) { 1471 if (mBound) { 1472 disconnectService(); 1473 } 1474 if (!connectToService()) { 1475 Slog.e(TAG, "Failed to bind to media container service"); 1476 for (HandlerParams params : mPendingInstalls) { 1477 // Indicate service bind error 1478 params.serviceError(); 1479 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1480 System.identityHashCode(params)); 1481 } 1482 mPendingInstalls.clear(); 1483 } 1484 } 1485 break; 1486 } 1487 case MCS_UNBIND: { 1488 // If there is no actual work left, then time to unbind. 1489 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1490 1491 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1492 if (mBound) { 1493 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1494 1495 disconnectService(); 1496 } 1497 } else if (mPendingInstalls.size() > 0) { 1498 // There are more pending requests in queue. 1499 // Just post MCS_BOUND message to trigger processing 1500 // of next pending install. 1501 mHandler.sendEmptyMessage(MCS_BOUND); 1502 } 1503 1504 break; 1505 } 1506 case MCS_GIVE_UP: { 1507 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1508 HandlerParams params = mPendingInstalls.remove(0); 1509 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1510 System.identityHashCode(params)); 1511 break; 1512 } 1513 case SEND_PENDING_BROADCAST: { 1514 String packages[]; 1515 ArrayList<String> components[]; 1516 int size = 0; 1517 int uids[]; 1518 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1519 synchronized (mPackages) { 1520 if (mPendingBroadcasts == null) { 1521 return; 1522 } 1523 size = mPendingBroadcasts.size(); 1524 if (size <= 0) { 1525 // Nothing to be done. Just return 1526 return; 1527 } 1528 packages = new String[size]; 1529 components = new ArrayList[size]; 1530 uids = new int[size]; 1531 int i = 0; // filling out the above arrays 1532 1533 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1534 int packageUserId = mPendingBroadcasts.userIdAt(n); 1535 Iterator<Map.Entry<String, ArrayList<String>>> it 1536 = mPendingBroadcasts.packagesForUserId(packageUserId) 1537 .entrySet().iterator(); 1538 while (it.hasNext() && i < size) { 1539 Map.Entry<String, ArrayList<String>> ent = it.next(); 1540 packages[i] = ent.getKey(); 1541 components[i] = ent.getValue(); 1542 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1543 uids[i] = (ps != null) 1544 ? UserHandle.getUid(packageUserId, ps.appId) 1545 : -1; 1546 i++; 1547 } 1548 } 1549 size = i; 1550 mPendingBroadcasts.clear(); 1551 } 1552 // Send broadcasts 1553 for (int i = 0; i < size; i++) { 1554 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1555 } 1556 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1557 break; 1558 } 1559 case START_CLEANING_PACKAGE: { 1560 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1561 final String packageName = (String)msg.obj; 1562 final int userId = msg.arg1; 1563 final boolean andCode = msg.arg2 != 0; 1564 synchronized (mPackages) { 1565 if (userId == UserHandle.USER_ALL) { 1566 int[] users = sUserManager.getUserIds(); 1567 for (int user : users) { 1568 mSettings.addPackageToCleanLPw( 1569 new PackageCleanItem(user, packageName, andCode)); 1570 } 1571 } else { 1572 mSettings.addPackageToCleanLPw( 1573 new PackageCleanItem(userId, packageName, andCode)); 1574 } 1575 } 1576 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1577 startCleaningPackages(); 1578 } break; 1579 case POST_INSTALL: { 1580 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1581 1582 PostInstallData data = mRunningInstalls.get(msg.arg1); 1583 final boolean didRestore = (msg.arg2 != 0); 1584 mRunningInstalls.delete(msg.arg1); 1585 1586 if (data != null) { 1587 InstallArgs args = data.args; 1588 PackageInstalledInfo parentRes = data.res; 1589 1590 final boolean grantPermissions = (args.installFlags 1591 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1592 final boolean killApp = (args.installFlags 1593 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1594 final String[] grantedPermissions = args.installGrantPermissions; 1595 1596 // Handle the parent package 1597 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1598 grantedPermissions, didRestore, args.installerPackageName, 1599 args.observer); 1600 1601 // Handle the child packages 1602 final int childCount = (parentRes.addedChildPackages != null) 1603 ? parentRes.addedChildPackages.size() : 0; 1604 for (int i = 0; i < childCount; i++) { 1605 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1606 handlePackagePostInstall(childRes, grantPermissions, killApp, 1607 grantedPermissions, false, args.installerPackageName, 1608 args.observer); 1609 } 1610 1611 // Log tracing if needed 1612 if (args.traceMethod != null) { 1613 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1614 args.traceCookie); 1615 } 1616 } else { 1617 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1618 } 1619 1620 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1621 } break; 1622 case UPDATED_MEDIA_STATUS: { 1623 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1624 boolean reportStatus = msg.arg1 == 1; 1625 boolean doGc = msg.arg2 == 1; 1626 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1627 if (doGc) { 1628 // Force a gc to clear up stale containers. 1629 Runtime.getRuntime().gc(); 1630 } 1631 if (msg.obj != null) { 1632 @SuppressWarnings("unchecked") 1633 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1634 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1635 // Unload containers 1636 unloadAllContainers(args); 1637 } 1638 if (reportStatus) { 1639 try { 1640 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1641 PackageHelper.getMountService().finishMediaUpdate(); 1642 } catch (RemoteException e) { 1643 Log.e(TAG, "MountService not running?"); 1644 } 1645 } 1646 } break; 1647 case WRITE_SETTINGS: { 1648 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1649 synchronized (mPackages) { 1650 removeMessages(WRITE_SETTINGS); 1651 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1652 mSettings.writeLPr(); 1653 mDirtyUsers.clear(); 1654 } 1655 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1656 } break; 1657 case WRITE_PACKAGE_RESTRICTIONS: { 1658 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1659 synchronized (mPackages) { 1660 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1661 for (int userId : mDirtyUsers) { 1662 mSettings.writePackageRestrictionsLPr(userId); 1663 } 1664 mDirtyUsers.clear(); 1665 } 1666 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1667 } break; 1668 case CHECK_PENDING_VERIFICATION: { 1669 final int verificationId = msg.arg1; 1670 final PackageVerificationState state = mPendingVerification.get(verificationId); 1671 1672 if ((state != null) && !state.timeoutExtended()) { 1673 final InstallArgs args = state.getInstallArgs(); 1674 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1675 1676 Slog.i(TAG, "Verification timed out for " + originUri); 1677 mPendingVerification.remove(verificationId); 1678 1679 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1680 1681 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1682 Slog.i(TAG, "Continuing with installation of " + originUri); 1683 state.setVerifierResponse(Binder.getCallingUid(), 1684 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1685 broadcastPackageVerified(verificationId, originUri, 1686 PackageManager.VERIFICATION_ALLOW, 1687 state.getInstallArgs().getUser()); 1688 try { 1689 ret = args.copyApk(mContainerService, true); 1690 } catch (RemoteException e) { 1691 Slog.e(TAG, "Could not contact the ContainerService"); 1692 } 1693 } else { 1694 broadcastPackageVerified(verificationId, originUri, 1695 PackageManager.VERIFICATION_REJECT, 1696 state.getInstallArgs().getUser()); 1697 } 1698 1699 Trace.asyncTraceEnd( 1700 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1701 1702 processPendingInstall(args, ret); 1703 mHandler.sendEmptyMessage(MCS_UNBIND); 1704 } 1705 break; 1706 } 1707 case PACKAGE_VERIFIED: { 1708 final int verificationId = msg.arg1; 1709 1710 final PackageVerificationState state = mPendingVerification.get(verificationId); 1711 if (state == null) { 1712 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1713 break; 1714 } 1715 1716 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1717 1718 state.setVerifierResponse(response.callerUid, response.code); 1719 1720 if (state.isVerificationComplete()) { 1721 mPendingVerification.remove(verificationId); 1722 1723 final InstallArgs args = state.getInstallArgs(); 1724 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1725 1726 int ret; 1727 if (state.isInstallAllowed()) { 1728 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1729 broadcastPackageVerified(verificationId, originUri, 1730 response.code, state.getInstallArgs().getUser()); 1731 try { 1732 ret = args.copyApk(mContainerService, true); 1733 } catch (RemoteException e) { 1734 Slog.e(TAG, "Could not contact the ContainerService"); 1735 } 1736 } else { 1737 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1738 } 1739 1740 Trace.asyncTraceEnd( 1741 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1742 1743 processPendingInstall(args, ret); 1744 mHandler.sendEmptyMessage(MCS_UNBIND); 1745 } 1746 1747 break; 1748 } 1749 case START_INTENT_FILTER_VERIFICATIONS: { 1750 IFVerificationParams params = (IFVerificationParams) msg.obj; 1751 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1752 params.replacing, params.pkg); 1753 break; 1754 } 1755 case INTENT_FILTER_VERIFIED: { 1756 final int verificationId = msg.arg1; 1757 1758 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1759 verificationId); 1760 if (state == null) { 1761 Slog.w(TAG, "Invalid IntentFilter verification token " 1762 + verificationId + " received"); 1763 break; 1764 } 1765 1766 final int userId = state.getUserId(); 1767 1768 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1769 "Processing IntentFilter verification with token:" 1770 + verificationId + " and userId:" + userId); 1771 1772 final IntentFilterVerificationResponse response = 1773 (IntentFilterVerificationResponse) msg.obj; 1774 1775 state.setVerifierResponse(response.callerUid, response.code); 1776 1777 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1778 "IntentFilter verification with token:" + verificationId 1779 + " and userId:" + userId 1780 + " is settings verifier response with response code:" 1781 + response.code); 1782 1783 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1784 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1785 + response.getFailedDomainsString()); 1786 } 1787 1788 if (state.isVerificationComplete()) { 1789 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1790 } else { 1791 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1792 "IntentFilter verification with token:" + verificationId 1793 + " was not said to be complete"); 1794 } 1795 1796 break; 1797 } 1798 } 1799 } 1800 } 1801 1802 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1803 boolean killApp, String[] grantedPermissions, 1804 boolean launchedForRestore, String installerPackage, 1805 IPackageInstallObserver2 installObserver) { 1806 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1807 // Send the removed broadcasts 1808 if (res.removedInfo != null) { 1809 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1810 } 1811 1812 // Now that we successfully installed the package, grant runtime 1813 // permissions if requested before broadcasting the install. 1814 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1815 >= Build.VERSION_CODES.M) { 1816 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1817 } 1818 1819 final boolean update = res.removedInfo != null 1820 && res.removedInfo.removedPackage != null; 1821 1822 // If this is the first time we have child packages for a disabled privileged 1823 // app that had no children, we grant requested runtime permissions to the new 1824 // children if the parent on the system image had them already granted. 1825 if (res.pkg.parentPackage != null) { 1826 synchronized (mPackages) { 1827 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1828 } 1829 } 1830 1831 synchronized (mPackages) { 1832 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1833 } 1834 1835 final String packageName = res.pkg.applicationInfo.packageName; 1836 Bundle extras = new Bundle(1); 1837 extras.putInt(Intent.EXTRA_UID, res.uid); 1838 1839 // Determine the set of users who are adding this package for 1840 // the first time vs. those who are seeing an update. 1841 int[] firstUsers = EMPTY_INT_ARRAY; 1842 int[] updateUsers = EMPTY_INT_ARRAY; 1843 if (res.origUsers == null || res.origUsers.length == 0) { 1844 firstUsers = res.newUsers; 1845 } else { 1846 for (int newUser : res.newUsers) { 1847 boolean isNew = true; 1848 for (int origUser : res.origUsers) { 1849 if (origUser == newUser) { 1850 isNew = false; 1851 break; 1852 } 1853 } 1854 if (isNew) { 1855 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1856 } else { 1857 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1858 } 1859 } 1860 } 1861 1862 // Send installed broadcasts if the install/update is not ephemeral 1863 if (!isEphemeral(res.pkg)) { 1864 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1865 1866 // Send added for users that see the package for the first time 1867 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1868 extras, 0 /*flags*/, null /*targetPackage*/, 1869 null /*finishedReceiver*/, firstUsers); 1870 1871 // Send added for users that don't see the package for the first time 1872 if (update) { 1873 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1874 } 1875 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1876 extras, 0 /*flags*/, null /*targetPackage*/, 1877 null /*finishedReceiver*/, updateUsers); 1878 1879 // Send replaced for users that don't see the package for the first time 1880 if (update) { 1881 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1882 packageName, extras, 0 /*flags*/, 1883 null /*targetPackage*/, null /*finishedReceiver*/, 1884 updateUsers); 1885 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1886 null /*package*/, null /*extras*/, 0 /*flags*/, 1887 packageName /*targetPackage*/, 1888 null /*finishedReceiver*/, updateUsers); 1889 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1890 // First-install and we did a restore, so we're responsible for the 1891 // first-launch broadcast. 1892 if (DEBUG_BACKUP) { 1893 Slog.i(TAG, "Post-restore of " + packageName 1894 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1895 } 1896 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1897 } 1898 1899 // Send broadcast package appeared if forward locked/external for all users 1900 // treat asec-hosted packages like removable media on upgrade 1901 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1902 if (DEBUG_INSTALL) { 1903 Slog.i(TAG, "upgrading pkg " + res.pkg 1904 + " is ASEC-hosted -> AVAILABLE"); 1905 } 1906 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1907 ArrayList<String> pkgList = new ArrayList<>(1); 1908 pkgList.add(packageName); 1909 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1910 } 1911 } 1912 1913 // Work that needs to happen on first install within each user 1914 if (firstUsers != null && firstUsers.length > 0) { 1915 synchronized (mPackages) { 1916 for (int userId : firstUsers) { 1917 // If this app is a browser and it's newly-installed for some 1918 // users, clear any default-browser state in those users. The 1919 // app's nature doesn't depend on the user, so we can just check 1920 // its browser nature in any user and generalize. 1921 if (packageIsBrowser(packageName, userId)) { 1922 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1923 } 1924 1925 // We may also need to apply pending (restored) runtime 1926 // permission grants within these users. 1927 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1928 } 1929 } 1930 } 1931 1932 // Log current value of "unknown sources" setting 1933 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1934 getUnknownSourcesSettings()); 1935 1936 // Force a gc to clear up things 1937 Runtime.getRuntime().gc(); 1938 1939 // Remove the replaced package's older resources safely now 1940 // We delete after a gc for applications on sdcard. 1941 if (res.removedInfo != null && res.removedInfo.args != null) { 1942 synchronized (mInstallLock) { 1943 res.removedInfo.args.doPostDeleteLI(true); 1944 } 1945 } 1946 } 1947 1948 // If someone is watching installs - notify them 1949 if (installObserver != null) { 1950 try { 1951 Bundle extras = extrasForInstallResult(res); 1952 installObserver.onPackageInstalled(res.name, res.returnCode, 1953 res.returnMsg, extras); 1954 } catch (RemoteException e) { 1955 Slog.i(TAG, "Observer no longer exists."); 1956 } 1957 } 1958 } 1959 1960 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1961 PackageParser.Package pkg) { 1962 if (pkg.parentPackage == null) { 1963 return; 1964 } 1965 if (pkg.requestedPermissions == null) { 1966 return; 1967 } 1968 final PackageSetting disabledSysParentPs = mSettings 1969 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1970 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1971 || !disabledSysParentPs.isPrivileged() 1972 || (disabledSysParentPs.childPackageNames != null 1973 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1974 return; 1975 } 1976 final int[] allUserIds = sUserManager.getUserIds(); 1977 final int permCount = pkg.requestedPermissions.size(); 1978 for (int i = 0; i < permCount; i++) { 1979 String permission = pkg.requestedPermissions.get(i); 1980 BasePermission bp = mSettings.mPermissions.get(permission); 1981 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1982 continue; 1983 } 1984 for (int userId : allUserIds) { 1985 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1986 permission, userId)) { 1987 grantRuntimePermission(pkg.packageName, permission, userId); 1988 } 1989 } 1990 } 1991 } 1992 1993 private StorageEventListener mStorageListener = new StorageEventListener() { 1994 @Override 1995 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1996 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1997 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1998 final String volumeUuid = vol.getFsUuid(); 1999 2000 // Clean up any users or apps that were removed or recreated 2001 // while this volume was missing 2002 reconcileUsers(volumeUuid); 2003 reconcileApps(volumeUuid); 2004 2005 // Clean up any install sessions that expired or were 2006 // cancelled while this volume was missing 2007 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2008 2009 loadPrivatePackages(vol); 2010 2011 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2012 unloadPrivatePackages(vol); 2013 } 2014 } 2015 2016 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2017 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2018 updateExternalMediaStatus(true, false); 2019 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2020 updateExternalMediaStatus(false, false); 2021 } 2022 } 2023 } 2024 2025 @Override 2026 public void onVolumeForgotten(String fsUuid) { 2027 if (TextUtils.isEmpty(fsUuid)) { 2028 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2029 return; 2030 } 2031 2032 // Remove any apps installed on the forgotten volume 2033 synchronized (mPackages) { 2034 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2035 for (PackageSetting ps : packages) { 2036 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2037 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2038 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2039 } 2040 2041 mSettings.onVolumeForgotten(fsUuid); 2042 mSettings.writeLPr(); 2043 } 2044 } 2045 }; 2046 2047 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2048 String[] grantedPermissions) { 2049 for (int userId : userIds) { 2050 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2051 } 2052 2053 // We could have touched GID membership, so flush out packages.list 2054 synchronized (mPackages) { 2055 mSettings.writePackageListLPr(); 2056 } 2057 } 2058 2059 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2060 String[] grantedPermissions) { 2061 SettingBase sb = (SettingBase) pkg.mExtras; 2062 if (sb == null) { 2063 return; 2064 } 2065 2066 PermissionsState permissionsState = sb.getPermissionsState(); 2067 2068 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2069 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2070 2071 for (String permission : pkg.requestedPermissions) { 2072 final BasePermission bp; 2073 synchronized (mPackages) { 2074 bp = mSettings.mPermissions.get(permission); 2075 } 2076 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2077 && (grantedPermissions == null 2078 || ArrayUtils.contains(grantedPermissions, permission))) { 2079 final int flags = permissionsState.getPermissionFlags(permission, userId); 2080 // Installer cannot change immutable permissions. 2081 if ((flags & immutableFlags) == 0) { 2082 grantRuntimePermission(pkg.packageName, permission, userId); 2083 } 2084 } 2085 } 2086 } 2087 2088 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2089 Bundle extras = null; 2090 switch (res.returnCode) { 2091 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2092 extras = new Bundle(); 2093 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2094 res.origPermission); 2095 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2096 res.origPackage); 2097 break; 2098 } 2099 case PackageManager.INSTALL_SUCCEEDED: { 2100 extras = new Bundle(); 2101 extras.putBoolean(Intent.EXTRA_REPLACING, 2102 res.removedInfo != null && res.removedInfo.removedPackage != null); 2103 break; 2104 } 2105 } 2106 return extras; 2107 } 2108 2109 void scheduleWriteSettingsLocked() { 2110 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2111 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2112 } 2113 } 2114 2115 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2116 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2117 scheduleWritePackageRestrictionsLocked(userId); 2118 } 2119 2120 void scheduleWritePackageRestrictionsLocked(int userId) { 2121 final int[] userIds = (userId == UserHandle.USER_ALL) 2122 ? sUserManager.getUserIds() : new int[]{userId}; 2123 for (int nextUserId : userIds) { 2124 if (!sUserManager.exists(nextUserId)) return; 2125 mDirtyUsers.add(nextUserId); 2126 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2127 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2128 } 2129 } 2130 } 2131 2132 public static PackageManagerService main(Context context, Installer installer, 2133 boolean factoryTest, boolean onlyCore) { 2134 // Self-check for initial settings. 2135 PackageManagerServiceCompilerMapping.checkProperties(); 2136 2137 PackageManagerService m = new PackageManagerService(context, installer, 2138 factoryTest, onlyCore); 2139 m.enableSystemUserPackages(); 2140 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2141 // disabled after already being started. 2142 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2143 UserHandle.USER_SYSTEM); 2144 ServiceManager.addService("package", m); 2145 return m; 2146 } 2147 2148 private void enableSystemUserPackages() { 2149 if (!UserManager.isSplitSystemUser()) { 2150 return; 2151 } 2152 // For system user, enable apps based on the following conditions: 2153 // - app is whitelisted or belong to one of these groups: 2154 // -- system app which has no launcher icons 2155 // -- system app which has INTERACT_ACROSS_USERS permission 2156 // -- system IME app 2157 // - app is not in the blacklist 2158 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2159 Set<String> enableApps = new ArraySet<>(); 2160 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2161 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2162 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2163 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2164 enableApps.addAll(wlApps); 2165 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2166 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2167 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2168 enableApps.removeAll(blApps); 2169 Log.i(TAG, "Applications installed for system user: " + enableApps); 2170 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2171 UserHandle.SYSTEM); 2172 final int allAppsSize = allAps.size(); 2173 synchronized (mPackages) { 2174 for (int i = 0; i < allAppsSize; i++) { 2175 String pName = allAps.get(i); 2176 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2177 // Should not happen, but we shouldn't be failing if it does 2178 if (pkgSetting == null) { 2179 continue; 2180 } 2181 boolean install = enableApps.contains(pName); 2182 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2183 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2184 + " for system user"); 2185 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2186 } 2187 } 2188 } 2189 } 2190 2191 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2192 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2193 Context.DISPLAY_SERVICE); 2194 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2195 } 2196 2197 public PackageManagerService(Context context, Installer installer, 2198 boolean factoryTest, boolean onlyCore) { 2199 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2200 SystemClock.uptimeMillis()); 2201 2202 if (mSdkVersion <= 0) { 2203 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2204 } 2205 2206 mContext = context; 2207 mFactoryTest = factoryTest; 2208 mOnlyCore = onlyCore; 2209 mMetrics = new DisplayMetrics(); 2210 mSettings = new Settings(mPackages); 2211 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2212 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2213 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2214 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2215 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2216 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2217 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2218 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2219 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2220 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2221 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2222 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2223 2224 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2225 if (separateProcesses != null && separateProcesses.length() > 0) { 2226 if ("*".equals(separateProcesses)) { 2227 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2228 mSeparateProcesses = null; 2229 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2230 } else { 2231 mDefParseFlags = 0; 2232 mSeparateProcesses = separateProcesses.split(","); 2233 Slog.w(TAG, "Running with debug.separate_processes: " 2234 + separateProcesses); 2235 } 2236 } else { 2237 mDefParseFlags = 0; 2238 mSeparateProcesses = null; 2239 } 2240 2241 mInstaller = installer; 2242 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2243 "*dexopt*"); 2244 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2245 2246 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2247 FgThread.get().getLooper()); 2248 2249 getDefaultDisplayMetrics(context, mMetrics); 2250 2251 SystemConfig systemConfig = SystemConfig.getInstance(); 2252 mGlobalGids = systemConfig.getGlobalGids(); 2253 mSystemPermissions = systemConfig.getSystemPermissions(); 2254 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2255 2256 synchronized (mInstallLock) { 2257 // writer 2258 synchronized (mPackages) { 2259 mHandlerThread = new ServiceThread(TAG, 2260 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2261 mHandlerThread.start(); 2262 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2263 mProcessLoggingHandler = new ProcessLoggingHandler(); 2264 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2265 2266 File dataDir = Environment.getDataDirectory(); 2267 mAppInstallDir = new File(dataDir, "app"); 2268 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2269 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2270 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2271 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2272 2273 sUserManager = new UserManagerService(context, this, mPackages); 2274 2275 // Propagate permission configuration in to package manager. 2276 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2277 = systemConfig.getPermissions(); 2278 for (int i=0; i<permConfig.size(); i++) { 2279 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2280 BasePermission bp = mSettings.mPermissions.get(perm.name); 2281 if (bp == null) { 2282 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2283 mSettings.mPermissions.put(perm.name, bp); 2284 } 2285 if (perm.gids != null) { 2286 bp.setGids(perm.gids, perm.perUser); 2287 } 2288 } 2289 2290 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2291 for (int i=0; i<libConfig.size(); i++) { 2292 mSharedLibraries.put(libConfig.keyAt(i), 2293 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2294 } 2295 2296 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2297 2298 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2299 2300 String customResolverActivity = Resources.getSystem().getString( 2301 R.string.config_customResolverActivity); 2302 if (TextUtils.isEmpty(customResolverActivity)) { 2303 customResolverActivity = null; 2304 } else { 2305 mCustomResolverComponentName = ComponentName.unflattenFromString( 2306 customResolverActivity); 2307 } 2308 2309 long startTime = SystemClock.uptimeMillis(); 2310 2311 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2312 startTime); 2313 2314 // Set flag to monitor and not change apk file paths when 2315 // scanning install directories. 2316 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2317 2318 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2319 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2320 2321 if (bootClassPath == null) { 2322 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2323 } 2324 2325 if (systemServerClassPath == null) { 2326 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2327 } 2328 2329 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2330 final String[] dexCodeInstructionSets = 2331 getDexCodeInstructionSets( 2332 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2333 2334 /** 2335 * Ensure all external libraries have had dexopt run on them. 2336 */ 2337 if (mSharedLibraries.size() > 0) { 2338 // NOTE: For now, we're compiling these system "shared libraries" 2339 // (and framework jars) into all available architectures. It's possible 2340 // to compile them only when we come across an app that uses them (there's 2341 // already logic for that in scanPackageLI) but that adds some complexity. 2342 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2343 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2344 final String lib = libEntry.path; 2345 if (lib == null) { 2346 continue; 2347 } 2348 2349 try { 2350 // Shared libraries do not have profiles so we perform a full 2351 // AOT compilation (if needed). 2352 int dexoptNeeded = DexFile.getDexOptNeeded( 2353 lib, dexCodeInstructionSet, 2354 getCompilerFilterForReason(REASON_SHARED_APK), 2355 false /* newProfile */); 2356 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2357 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2358 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2359 getCompilerFilterForReason(REASON_SHARED_APK), 2360 StorageManager.UUID_PRIVATE_INTERNAL, 2361 SKIP_SHARED_LIBRARY_CHECK); 2362 } 2363 } catch (FileNotFoundException e) { 2364 Slog.w(TAG, "Library not found: " + lib); 2365 } catch (IOException | InstallerException e) { 2366 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2367 + e.getMessage()); 2368 } 2369 } 2370 } 2371 } 2372 2373 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2374 2375 final VersionInfo ver = mSettings.getInternalVersion(); 2376 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2377 2378 // when upgrading from pre-M, promote system app permissions from install to runtime 2379 mPromoteSystemApps = 2380 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2381 2382 // When upgrading from pre-N, we need to handle package extraction like first boot, 2383 // as there is no profiling data available. 2384 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2385 2386 // save off the names of pre-existing system packages prior to scanning; we don't 2387 // want to automatically grant runtime permissions for new system apps 2388 if (mPromoteSystemApps) { 2389 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2390 while (pkgSettingIter.hasNext()) { 2391 PackageSetting ps = pkgSettingIter.next(); 2392 if (isSystemApp(ps)) { 2393 mExistingSystemPackages.add(ps.name); 2394 } 2395 } 2396 } 2397 2398 // Collect vendor overlay packages. 2399 // (Do this before scanning any apps.) 2400 // For security and version matching reason, only consider 2401 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2402 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2403 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2404 | PackageParser.PARSE_IS_SYSTEM 2405 | PackageParser.PARSE_IS_SYSTEM_DIR 2406 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2407 2408 // Find base frameworks (resource packages without code). 2409 scanDirTracedLI(frameworkDir, mDefParseFlags 2410 | PackageParser.PARSE_IS_SYSTEM 2411 | PackageParser.PARSE_IS_SYSTEM_DIR 2412 | PackageParser.PARSE_IS_PRIVILEGED, 2413 scanFlags | SCAN_NO_DEX, 0); 2414 2415 // Collected privileged system packages. 2416 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2417 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2418 | PackageParser.PARSE_IS_SYSTEM 2419 | PackageParser.PARSE_IS_SYSTEM_DIR 2420 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2421 2422 // Collect ordinary system packages. 2423 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2424 scanDirTracedLI(systemAppDir, mDefParseFlags 2425 | PackageParser.PARSE_IS_SYSTEM 2426 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2427 2428 // Collect all vendor packages. 2429 File vendorAppDir = new File("/vendor/app"); 2430 try { 2431 vendorAppDir = vendorAppDir.getCanonicalFile(); 2432 } catch (IOException e) { 2433 // failed to look up canonical path, continue with original one 2434 } 2435 scanDirTracedLI(vendorAppDir, mDefParseFlags 2436 | PackageParser.PARSE_IS_SYSTEM 2437 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2438 2439 // Collect all OEM packages. 2440 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2441 scanDirTracedLI(oemAppDir, mDefParseFlags 2442 | PackageParser.PARSE_IS_SYSTEM 2443 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2444 2445 // Prune any system packages that no longer exist. 2446 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2447 if (!mOnlyCore) { 2448 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2449 while (psit.hasNext()) { 2450 PackageSetting ps = psit.next(); 2451 2452 /* 2453 * If this is not a system app, it can't be a 2454 * disable system app. 2455 */ 2456 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2457 continue; 2458 } 2459 2460 /* 2461 * If the package is scanned, it's not erased. 2462 */ 2463 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2464 if (scannedPkg != null) { 2465 /* 2466 * If the system app is both scanned and in the 2467 * disabled packages list, then it must have been 2468 * added via OTA. Remove it from the currently 2469 * scanned package so the previously user-installed 2470 * application can be scanned. 2471 */ 2472 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2473 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2474 + ps.name + "; removing system app. Last known codePath=" 2475 + ps.codePathString + ", installStatus=" + ps.installStatus 2476 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2477 + scannedPkg.mVersionCode); 2478 removePackageLI(scannedPkg, true); 2479 mExpectingBetter.put(ps.name, ps.codePath); 2480 } 2481 2482 continue; 2483 } 2484 2485 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2486 psit.remove(); 2487 logCriticalInfo(Log.WARN, "System package " + ps.name 2488 + " no longer exists; it's data will be wiped"); 2489 // Actual deletion of code and data will be handled by later 2490 // reconciliation step 2491 } else { 2492 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2493 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2494 possiblyDeletedUpdatedSystemApps.add(ps.name); 2495 } 2496 } 2497 } 2498 } 2499 2500 //look for any incomplete package installations 2501 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2502 for (int i = 0; i < deletePkgsList.size(); i++) { 2503 // Actual deletion of code and data will be handled by later 2504 // reconciliation step 2505 final String packageName = deletePkgsList.get(i).name; 2506 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2507 synchronized (mPackages) { 2508 mSettings.removePackageLPw(packageName); 2509 } 2510 } 2511 2512 //delete tmp files 2513 deleteTempPackageFiles(); 2514 2515 // Remove any shared userIDs that have no associated packages 2516 mSettings.pruneSharedUsersLPw(); 2517 2518 if (!mOnlyCore) { 2519 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2520 SystemClock.uptimeMillis()); 2521 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2522 2523 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2524 | PackageParser.PARSE_FORWARD_LOCK, 2525 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2526 2527 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2528 | PackageParser.PARSE_IS_EPHEMERAL, 2529 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2530 2531 /** 2532 * Remove disable package settings for any updated system 2533 * apps that were removed via an OTA. If they're not a 2534 * previously-updated app, remove them completely. 2535 * Otherwise, just revoke their system-level permissions. 2536 */ 2537 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2538 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2539 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2540 2541 String msg; 2542 if (deletedPkg == null) { 2543 msg = "Updated system package " + deletedAppName 2544 + " no longer exists; it's data will be wiped"; 2545 // Actual deletion of code and data will be handled by later 2546 // reconciliation step 2547 } else { 2548 msg = "Updated system app + " + deletedAppName 2549 + " no longer present; removing system privileges for " 2550 + deletedAppName; 2551 2552 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2553 2554 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2555 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2556 } 2557 logCriticalInfo(Log.WARN, msg); 2558 } 2559 2560 /** 2561 * Make sure all system apps that we expected to appear on 2562 * the userdata partition actually showed up. If they never 2563 * appeared, crawl back and revive the system version. 2564 */ 2565 for (int i = 0; i < mExpectingBetter.size(); i++) { 2566 final String packageName = mExpectingBetter.keyAt(i); 2567 if (!mPackages.containsKey(packageName)) { 2568 final File scanFile = mExpectingBetter.valueAt(i); 2569 2570 logCriticalInfo(Log.WARN, "Expected better " + packageName 2571 + " but never showed up; reverting to system"); 2572 2573 int reparseFlags = mDefParseFlags; 2574 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2575 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2576 | PackageParser.PARSE_IS_SYSTEM_DIR 2577 | PackageParser.PARSE_IS_PRIVILEGED; 2578 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2579 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2580 | PackageParser.PARSE_IS_SYSTEM_DIR; 2581 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2582 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2583 | PackageParser.PARSE_IS_SYSTEM_DIR; 2584 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2585 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2586 | PackageParser.PARSE_IS_SYSTEM_DIR; 2587 } else { 2588 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2589 continue; 2590 } 2591 2592 mSettings.enableSystemPackageLPw(packageName); 2593 2594 try { 2595 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2596 } catch (PackageManagerException e) { 2597 Slog.e(TAG, "Failed to parse original system package: " 2598 + e.getMessage()); 2599 } 2600 } 2601 } 2602 } 2603 mExpectingBetter.clear(); 2604 2605 // Resolve protected action filters. Only the setup wizard is allowed to 2606 // have a high priority filter for these actions. 2607 mSetupWizardPackage = getSetupWizardPackageName(); 2608 if (mProtectedFilters.size() > 0) { 2609 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2610 Slog.i(TAG, "No setup wizard;" 2611 + " All protected intents capped to priority 0"); 2612 } 2613 for (ActivityIntentInfo filter : mProtectedFilters) { 2614 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2615 if (DEBUG_FILTERS) { 2616 Slog.i(TAG, "Found setup wizard;" 2617 + " allow priority " + filter.getPriority() + ";" 2618 + " package: " + filter.activity.info.packageName 2619 + " activity: " + filter.activity.className 2620 + " priority: " + filter.getPriority()); 2621 } 2622 // skip setup wizard; allow it to keep the high priority filter 2623 continue; 2624 } 2625 Slog.w(TAG, "Protected action; cap priority to 0;" 2626 + " package: " + filter.activity.info.packageName 2627 + " activity: " + filter.activity.className 2628 + " origPrio: " + filter.getPriority()); 2629 filter.setPriority(0); 2630 } 2631 } 2632 mDeferProtectedFilters = false; 2633 mProtectedFilters.clear(); 2634 2635 // Now that we know all of the shared libraries, update all clients to have 2636 // the correct library paths. 2637 updateAllSharedLibrariesLPw(); 2638 2639 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2640 // NOTE: We ignore potential failures here during a system scan (like 2641 // the rest of the commands above) because there's precious little we 2642 // can do about it. A settings error is reported, though. 2643 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2644 false /* boot complete */); 2645 } 2646 2647 // Now that we know all the packages we are keeping, 2648 // read and update their last usage times. 2649 mPackageUsage.readLP(); 2650 2651 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2652 SystemClock.uptimeMillis()); 2653 Slog.i(TAG, "Time to scan packages: " 2654 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2655 + " seconds"); 2656 2657 // If the platform SDK has changed since the last time we booted, 2658 // we need to re-grant app permission to catch any new ones that 2659 // appear. This is really a hack, and means that apps can in some 2660 // cases get permissions that the user didn't initially explicitly 2661 // allow... it would be nice to have some better way to handle 2662 // this situation. 2663 int updateFlags = UPDATE_PERMISSIONS_ALL; 2664 if (ver.sdkVersion != mSdkVersion) { 2665 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2666 + mSdkVersion + "; regranting permissions for internal storage"); 2667 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2668 } 2669 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2670 ver.sdkVersion = mSdkVersion; 2671 2672 // If this is the first boot or an update from pre-M, and it is a normal 2673 // boot, then we need to initialize the default preferred apps across 2674 // all defined users. 2675 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2676 for (UserInfo user : sUserManager.getUsers(true)) { 2677 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2678 applyFactoryDefaultBrowserLPw(user.id); 2679 primeDomainVerificationsLPw(user.id); 2680 } 2681 } 2682 2683 // Prepare storage for system user really early during boot, 2684 // since core system apps like SettingsProvider and SystemUI 2685 // can't wait for user to start 2686 final int storageFlags; 2687 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2688 storageFlags = StorageManager.FLAG_STORAGE_DE; 2689 } else { 2690 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2691 } 2692 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2693 storageFlags); 2694 2695 // If this is first boot after an OTA, and a normal boot, then 2696 // we need to clear code cache directories. 2697 if (mIsUpgrade && !onlyCore) { 2698 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2699 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2700 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2701 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2702 // No apps are running this early, so no need to freeze 2703 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2704 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2705 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2706 } 2707 clearAppProfilesLIF(ps.pkg); 2708 } 2709 ver.fingerprint = Build.FINGERPRINT; 2710 } 2711 2712 checkDefaultBrowser(); 2713 2714 // clear only after permissions and other defaults have been updated 2715 mExistingSystemPackages.clear(); 2716 mPromoteSystemApps = false; 2717 2718 // All the changes are done during package scanning. 2719 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2720 2721 // can downgrade to reader 2722 mSettings.writeLPr(); 2723 2724 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2725 SystemClock.uptimeMillis()); 2726 2727 if (!mOnlyCore) { 2728 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2729 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2730 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2731 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2732 mIntentFilterVerifierComponent); 2733 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2734 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2735 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2736 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2737 } else { 2738 mRequiredVerifierPackage = null; 2739 mRequiredInstallerPackage = null; 2740 mIntentFilterVerifierComponent = null; 2741 mIntentFilterVerifier = null; 2742 mServicesSystemSharedLibraryPackageName = null; 2743 mSharedSystemSharedLibraryPackageName = null; 2744 } 2745 2746 mInstallerService = new PackageInstallerService(context, this); 2747 2748 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2749 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2750 // both the installer and resolver must be present to enable ephemeral 2751 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2752 if (DEBUG_EPHEMERAL) { 2753 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2754 + " installer:" + ephemeralInstallerComponent); 2755 } 2756 mEphemeralResolverComponent = ephemeralResolverComponent; 2757 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2758 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2759 mEphemeralResolverConnection = 2760 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2761 } else { 2762 if (DEBUG_EPHEMERAL) { 2763 final String missingComponent = 2764 (ephemeralResolverComponent == null) 2765 ? (ephemeralInstallerComponent == null) 2766 ? "resolver and installer" 2767 : "resolver" 2768 : "installer"; 2769 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2770 } 2771 mEphemeralResolverComponent = null; 2772 mEphemeralInstallerComponent = null; 2773 mEphemeralResolverConnection = null; 2774 } 2775 2776 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2777 } // synchronized (mPackages) 2778 } // synchronized (mInstallLock) 2779 2780 // Now after opening every single application zip, make sure they 2781 // are all flushed. Not really needed, but keeps things nice and 2782 // tidy. 2783 Runtime.getRuntime().gc(); 2784 2785 // The initial scanning above does many calls into installd while 2786 // holding the mPackages lock, but we're mostly interested in yelling 2787 // once we have a booted system. 2788 mInstaller.setWarnIfHeld(mPackages); 2789 2790 // Expose private service for system components to use. 2791 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2792 } 2793 2794 @Override 2795 public boolean isFirstBoot() { 2796 return !mRestoredSettings; 2797 } 2798 2799 @Override 2800 public boolean isOnlyCoreApps() { 2801 return mOnlyCore; 2802 } 2803 2804 @Override 2805 public boolean isUpgrade() { 2806 return mIsUpgrade; 2807 } 2808 2809 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2810 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2811 2812 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2813 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2814 UserHandle.USER_SYSTEM); 2815 if (matches.size() == 1) { 2816 return matches.get(0).getComponentInfo().packageName; 2817 } else { 2818 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2819 return null; 2820 } 2821 } 2822 2823 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2824 synchronized (mPackages) { 2825 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2826 if (libraryEntry == null) { 2827 throw new IllegalStateException("Missing required shared library:" + libraryName); 2828 } 2829 return libraryEntry.apk; 2830 } 2831 } 2832 2833 private @NonNull String getRequiredInstallerLPr() { 2834 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2835 intent.addCategory(Intent.CATEGORY_DEFAULT); 2836 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2837 2838 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2839 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2840 UserHandle.USER_SYSTEM); 2841 if (matches.size() == 1) { 2842 ResolveInfo resolveInfo = matches.get(0); 2843 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2844 throw new RuntimeException("The installer must be a privileged app"); 2845 } 2846 return matches.get(0).getComponentInfo().packageName; 2847 } else { 2848 throw new RuntimeException("There must be exactly one installer; found " + matches); 2849 } 2850 } 2851 2852 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2853 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2854 2855 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2856 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2857 UserHandle.USER_SYSTEM); 2858 ResolveInfo best = null; 2859 final int N = matches.size(); 2860 for (int i = 0; i < N; i++) { 2861 final ResolveInfo cur = matches.get(i); 2862 final String packageName = cur.getComponentInfo().packageName; 2863 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2864 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2865 continue; 2866 } 2867 2868 if (best == null || cur.priority > best.priority) { 2869 best = cur; 2870 } 2871 } 2872 2873 if (best != null) { 2874 return best.getComponentInfo().getComponentName(); 2875 } else { 2876 throw new RuntimeException("There must be at least one intent filter verifier"); 2877 } 2878 } 2879 2880 private @Nullable ComponentName getEphemeralResolverLPr() { 2881 final String[] packageArray = 2882 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2883 if (packageArray.length == 0) { 2884 if (DEBUG_EPHEMERAL) { 2885 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2886 } 2887 return null; 2888 } 2889 2890 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2891 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2892 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2893 UserHandle.USER_SYSTEM); 2894 2895 final int N = resolvers.size(); 2896 if (N == 0) { 2897 if (DEBUG_EPHEMERAL) { 2898 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2899 } 2900 return null; 2901 } 2902 2903 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2904 for (int i = 0; i < N; i++) { 2905 final ResolveInfo info = resolvers.get(i); 2906 2907 if (info.serviceInfo == null) { 2908 continue; 2909 } 2910 2911 final String packageName = info.serviceInfo.packageName; 2912 if (!possiblePackages.contains(packageName)) { 2913 if (DEBUG_EPHEMERAL) { 2914 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2915 + " pkg: " + packageName + ", info:" + info); 2916 } 2917 continue; 2918 } 2919 2920 if (DEBUG_EPHEMERAL) { 2921 Slog.v(TAG, "Ephemeral resolver found;" 2922 + " pkg: " + packageName + ", info:" + info); 2923 } 2924 return new ComponentName(packageName, info.serviceInfo.name); 2925 } 2926 if (DEBUG_EPHEMERAL) { 2927 Slog.v(TAG, "Ephemeral resolver NOT found"); 2928 } 2929 return null; 2930 } 2931 2932 private @Nullable ComponentName getEphemeralInstallerLPr() { 2933 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2934 intent.addCategory(Intent.CATEGORY_DEFAULT); 2935 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2936 2937 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2938 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2939 UserHandle.USER_SYSTEM); 2940 if (matches.size() == 0) { 2941 return null; 2942 } else if (matches.size() == 1) { 2943 return matches.get(0).getComponentInfo().getComponentName(); 2944 } else { 2945 throw new RuntimeException( 2946 "There must be at most one ephemeral installer; found " + matches); 2947 } 2948 } 2949 2950 private void primeDomainVerificationsLPw(int userId) { 2951 if (DEBUG_DOMAIN_VERIFICATION) { 2952 Slog.d(TAG, "Priming domain verifications in user " + userId); 2953 } 2954 2955 SystemConfig systemConfig = SystemConfig.getInstance(); 2956 ArraySet<String> packages = systemConfig.getLinkedApps(); 2957 ArraySet<String> domains = new ArraySet<String>(); 2958 2959 for (String packageName : packages) { 2960 PackageParser.Package pkg = mPackages.get(packageName); 2961 if (pkg != null) { 2962 if (!pkg.isSystemApp()) { 2963 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2964 continue; 2965 } 2966 2967 domains.clear(); 2968 for (PackageParser.Activity a : pkg.activities) { 2969 for (ActivityIntentInfo filter : a.intents) { 2970 if (hasValidDomains(filter)) { 2971 domains.addAll(filter.getHostsList()); 2972 } 2973 } 2974 } 2975 2976 if (domains.size() > 0) { 2977 if (DEBUG_DOMAIN_VERIFICATION) { 2978 Slog.v(TAG, " + " + packageName); 2979 } 2980 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2981 // state w.r.t. the formal app-linkage "no verification attempted" state; 2982 // and then 'always' in the per-user state actually used for intent resolution. 2983 final IntentFilterVerificationInfo ivi; 2984 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2985 new ArrayList<String>(domains)); 2986 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2987 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2988 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2989 } else { 2990 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2991 + "' does not handle web links"); 2992 } 2993 } else { 2994 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2995 } 2996 } 2997 2998 scheduleWritePackageRestrictionsLocked(userId); 2999 scheduleWriteSettingsLocked(); 3000 } 3001 3002 private void applyFactoryDefaultBrowserLPw(int userId) { 3003 // The default browser app's package name is stored in a string resource, 3004 // with a product-specific overlay used for vendor customization. 3005 String browserPkg = mContext.getResources().getString( 3006 com.android.internal.R.string.default_browser); 3007 if (!TextUtils.isEmpty(browserPkg)) { 3008 // non-empty string => required to be a known package 3009 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3010 if (ps == null) { 3011 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3012 browserPkg = null; 3013 } else { 3014 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3015 } 3016 } 3017 3018 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3019 // default. If there's more than one, just leave everything alone. 3020 if (browserPkg == null) { 3021 calculateDefaultBrowserLPw(userId); 3022 } 3023 } 3024 3025 private void calculateDefaultBrowserLPw(int userId) { 3026 List<String> allBrowsers = resolveAllBrowserApps(userId); 3027 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3028 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3029 } 3030 3031 private List<String> resolveAllBrowserApps(int userId) { 3032 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3033 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3034 PackageManager.MATCH_ALL, userId); 3035 3036 final int count = list.size(); 3037 List<String> result = new ArrayList<String>(count); 3038 for (int i=0; i<count; i++) { 3039 ResolveInfo info = list.get(i); 3040 if (info.activityInfo == null 3041 || !info.handleAllWebDataURI 3042 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3043 || result.contains(info.activityInfo.packageName)) { 3044 continue; 3045 } 3046 result.add(info.activityInfo.packageName); 3047 } 3048 3049 return result; 3050 } 3051 3052 private boolean packageIsBrowser(String packageName, int userId) { 3053 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3054 PackageManager.MATCH_ALL, userId); 3055 final int N = list.size(); 3056 for (int i = 0; i < N; i++) { 3057 ResolveInfo info = list.get(i); 3058 if (packageName.equals(info.activityInfo.packageName)) { 3059 return true; 3060 } 3061 } 3062 return false; 3063 } 3064 3065 private void checkDefaultBrowser() { 3066 final int myUserId = UserHandle.myUserId(); 3067 final String packageName = getDefaultBrowserPackageName(myUserId); 3068 if (packageName != null) { 3069 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3070 if (info == null) { 3071 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3072 synchronized (mPackages) { 3073 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3074 } 3075 } 3076 } 3077 } 3078 3079 @Override 3080 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3081 throws RemoteException { 3082 try { 3083 return super.onTransact(code, data, reply, flags); 3084 } catch (RuntimeException e) { 3085 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3086 Slog.wtf(TAG, "Package Manager Crash", e); 3087 } 3088 throw e; 3089 } 3090 } 3091 3092 static int[] appendInts(int[] cur, int[] add) { 3093 if (add == null) return cur; 3094 if (cur == null) return add; 3095 final int N = add.length; 3096 for (int i=0; i<N; i++) { 3097 cur = appendInt(cur, add[i]); 3098 } 3099 return cur; 3100 } 3101 3102 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3103 if (!sUserManager.exists(userId)) return null; 3104 if (ps == null) { 3105 return null; 3106 } 3107 final PackageParser.Package p = ps.pkg; 3108 if (p == null) { 3109 return null; 3110 } 3111 3112 final PermissionsState permissionsState = ps.getPermissionsState(); 3113 3114 final int[] gids = permissionsState.computeGids(userId); 3115 final Set<String> permissions = permissionsState.getPermissions(userId); 3116 final PackageUserState state = ps.readUserState(userId); 3117 3118 return PackageParser.generatePackageInfo(p, gids, flags, 3119 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3120 } 3121 3122 @Override 3123 public void checkPackageStartable(String packageName, int userId) { 3124 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3125 3126 synchronized (mPackages) { 3127 final PackageSetting ps = mSettings.mPackages.get(packageName); 3128 if (ps == null) { 3129 throw new SecurityException("Package " + packageName + " was not found!"); 3130 } 3131 3132 if (!ps.getInstalled(userId)) { 3133 throw new SecurityException( 3134 "Package " + packageName + " was not installed for user " + userId + "!"); 3135 } 3136 3137 if (mSafeMode && !ps.isSystem()) { 3138 throw new SecurityException("Package " + packageName + " not a system app!"); 3139 } 3140 3141 if (mFrozenPackages.contains(packageName)) { 3142 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3143 } 3144 3145 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3146 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3147 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3148 } 3149 } 3150 } 3151 3152 @Override 3153 public boolean isPackageAvailable(String packageName, int userId) { 3154 if (!sUserManager.exists(userId)) return false; 3155 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3156 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3157 synchronized (mPackages) { 3158 PackageParser.Package p = mPackages.get(packageName); 3159 if (p != null) { 3160 final PackageSetting ps = (PackageSetting) p.mExtras; 3161 if (ps != null) { 3162 final PackageUserState state = ps.readUserState(userId); 3163 if (state != null) { 3164 return PackageParser.isAvailable(state); 3165 } 3166 } 3167 } 3168 } 3169 return false; 3170 } 3171 3172 @Override 3173 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3174 if (!sUserManager.exists(userId)) return null; 3175 flags = updateFlagsForPackage(flags, userId, packageName); 3176 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3177 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3178 // reader 3179 synchronized (mPackages) { 3180 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3181 PackageParser.Package p = null; 3182 if (matchFactoryOnly) { 3183 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3184 if (ps != null) { 3185 return generatePackageInfo(ps, flags, userId); 3186 } 3187 } 3188 if (p == null) { 3189 p = mPackages.get(packageName); 3190 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3191 return null; 3192 } 3193 } 3194 if (DEBUG_PACKAGE_INFO) 3195 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3196 if (p != null) { 3197 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3198 } 3199 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3200 final PackageSetting ps = mSettings.mPackages.get(packageName); 3201 return generatePackageInfo(ps, flags, userId); 3202 } 3203 } 3204 return null; 3205 } 3206 3207 @Override 3208 public String[] currentToCanonicalPackageNames(String[] names) { 3209 String[] out = new String[names.length]; 3210 // reader 3211 synchronized (mPackages) { 3212 for (int i=names.length-1; i>=0; i--) { 3213 PackageSetting ps = mSettings.mPackages.get(names[i]); 3214 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3215 } 3216 } 3217 return out; 3218 } 3219 3220 @Override 3221 public String[] canonicalToCurrentPackageNames(String[] names) { 3222 String[] out = new String[names.length]; 3223 // reader 3224 synchronized (mPackages) { 3225 for (int i=names.length-1; i>=0; i--) { 3226 String cur = mSettings.mRenamedPackages.get(names[i]); 3227 out[i] = cur != null ? cur : names[i]; 3228 } 3229 } 3230 return out; 3231 } 3232 3233 @Override 3234 public int getPackageUid(String packageName, int flags, int userId) { 3235 if (!sUserManager.exists(userId)) return -1; 3236 flags = updateFlagsForPackage(flags, userId, packageName); 3237 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3238 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3239 3240 // reader 3241 synchronized (mPackages) { 3242 final PackageParser.Package p = mPackages.get(packageName); 3243 if (p != null && p.isMatch(flags)) { 3244 return UserHandle.getUid(userId, p.applicationInfo.uid); 3245 } 3246 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3247 final PackageSetting ps = mSettings.mPackages.get(packageName); 3248 if (ps != null && ps.isMatch(flags)) { 3249 return UserHandle.getUid(userId, ps.appId); 3250 } 3251 } 3252 } 3253 3254 return -1; 3255 } 3256 3257 @Override 3258 public int[] getPackageGids(String packageName, int flags, int userId) { 3259 if (!sUserManager.exists(userId)) return null; 3260 flags = updateFlagsForPackage(flags, userId, packageName); 3261 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3262 false /* requireFullPermission */, false /* checkShell */, 3263 "getPackageGids"); 3264 3265 // reader 3266 synchronized (mPackages) { 3267 final PackageParser.Package p = mPackages.get(packageName); 3268 if (p != null && p.isMatch(flags)) { 3269 PackageSetting ps = (PackageSetting) p.mExtras; 3270 return ps.getPermissionsState().computeGids(userId); 3271 } 3272 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3273 final PackageSetting ps = mSettings.mPackages.get(packageName); 3274 if (ps != null && ps.isMatch(flags)) { 3275 return ps.getPermissionsState().computeGids(userId); 3276 } 3277 } 3278 } 3279 3280 return null; 3281 } 3282 3283 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3284 if (bp.perm != null) { 3285 return PackageParser.generatePermissionInfo(bp.perm, flags); 3286 } 3287 PermissionInfo pi = new PermissionInfo(); 3288 pi.name = bp.name; 3289 pi.packageName = bp.sourcePackage; 3290 pi.nonLocalizedLabel = bp.name; 3291 pi.protectionLevel = bp.protectionLevel; 3292 return pi; 3293 } 3294 3295 @Override 3296 public PermissionInfo getPermissionInfo(String name, int flags) { 3297 // reader 3298 synchronized (mPackages) { 3299 final BasePermission p = mSettings.mPermissions.get(name); 3300 if (p != null) { 3301 return generatePermissionInfo(p, flags); 3302 } 3303 return null; 3304 } 3305 } 3306 3307 @Override 3308 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3309 int flags) { 3310 // reader 3311 synchronized (mPackages) { 3312 if (group != null && !mPermissionGroups.containsKey(group)) { 3313 // This is thrown as NameNotFoundException 3314 return null; 3315 } 3316 3317 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3318 for (BasePermission p : mSettings.mPermissions.values()) { 3319 if (group == null) { 3320 if (p.perm == null || p.perm.info.group == null) { 3321 out.add(generatePermissionInfo(p, flags)); 3322 } 3323 } else { 3324 if (p.perm != null && group.equals(p.perm.info.group)) { 3325 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3326 } 3327 } 3328 } 3329 return new ParceledListSlice<>(out); 3330 } 3331 } 3332 3333 @Override 3334 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3335 // reader 3336 synchronized (mPackages) { 3337 return PackageParser.generatePermissionGroupInfo( 3338 mPermissionGroups.get(name), flags); 3339 } 3340 } 3341 3342 @Override 3343 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3344 // reader 3345 synchronized (mPackages) { 3346 final int N = mPermissionGroups.size(); 3347 ArrayList<PermissionGroupInfo> out 3348 = new ArrayList<PermissionGroupInfo>(N); 3349 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3350 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3351 } 3352 return new ParceledListSlice<>(out); 3353 } 3354 } 3355 3356 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3357 int userId) { 3358 if (!sUserManager.exists(userId)) return null; 3359 PackageSetting ps = mSettings.mPackages.get(packageName); 3360 if (ps != null) { 3361 if (ps.pkg == null) { 3362 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3363 if (pInfo != null) { 3364 return pInfo.applicationInfo; 3365 } 3366 return null; 3367 } 3368 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3369 ps.readUserState(userId), userId); 3370 } 3371 return null; 3372 } 3373 3374 @Override 3375 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3376 if (!sUserManager.exists(userId)) return null; 3377 flags = updateFlagsForApplication(flags, userId, packageName); 3378 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3379 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3380 // writer 3381 synchronized (mPackages) { 3382 PackageParser.Package p = mPackages.get(packageName); 3383 if (DEBUG_PACKAGE_INFO) Log.v( 3384 TAG, "getApplicationInfo " + packageName 3385 + ": " + p); 3386 if (p != null) { 3387 PackageSetting ps = mSettings.mPackages.get(packageName); 3388 if (ps == null) return null; 3389 // Note: isEnabledLP() does not apply here - always return info 3390 return PackageParser.generateApplicationInfo( 3391 p, flags, ps.readUserState(userId), userId); 3392 } 3393 if ("android".equals(packageName)||"system".equals(packageName)) { 3394 return mAndroidApplication; 3395 } 3396 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3397 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3398 } 3399 } 3400 return null; 3401 } 3402 3403 @Override 3404 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3405 final IPackageDataObserver observer) { 3406 mContext.enforceCallingOrSelfPermission( 3407 android.Manifest.permission.CLEAR_APP_CACHE, null); 3408 // Queue up an async operation since clearing cache may take a little while. 3409 mHandler.post(new Runnable() { 3410 public void run() { 3411 mHandler.removeCallbacks(this); 3412 boolean success = true; 3413 synchronized (mInstallLock) { 3414 try { 3415 mInstaller.freeCache(volumeUuid, freeStorageSize); 3416 } catch (InstallerException e) { 3417 Slog.w(TAG, "Couldn't clear application caches: " + e); 3418 success = false; 3419 } 3420 } 3421 if (observer != null) { 3422 try { 3423 observer.onRemoveCompleted(null, success); 3424 } catch (RemoteException e) { 3425 Slog.w(TAG, "RemoveException when invoking call back"); 3426 } 3427 } 3428 } 3429 }); 3430 } 3431 3432 @Override 3433 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3434 final IntentSender pi) { 3435 mContext.enforceCallingOrSelfPermission( 3436 android.Manifest.permission.CLEAR_APP_CACHE, null); 3437 // Queue up an async operation since clearing cache may take a little while. 3438 mHandler.post(new Runnable() { 3439 public void run() { 3440 mHandler.removeCallbacks(this); 3441 boolean success = true; 3442 synchronized (mInstallLock) { 3443 try { 3444 mInstaller.freeCache(volumeUuid, freeStorageSize); 3445 } catch (InstallerException e) { 3446 Slog.w(TAG, "Couldn't clear application caches: " + e); 3447 success = false; 3448 } 3449 } 3450 if(pi != null) { 3451 try { 3452 // Callback via pending intent 3453 int code = success ? 1 : 0; 3454 pi.sendIntent(null, code, null, 3455 null, null); 3456 } catch (SendIntentException e1) { 3457 Slog.i(TAG, "Failed to send pending intent"); 3458 } 3459 } 3460 } 3461 }); 3462 } 3463 3464 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3465 synchronized (mInstallLock) { 3466 try { 3467 mInstaller.freeCache(volumeUuid, freeStorageSize); 3468 } catch (InstallerException e) { 3469 throw new IOException("Failed to free enough space", e); 3470 } 3471 } 3472 } 3473 3474 /** 3475 * Update given flags based on encryption status of current user. 3476 */ 3477 private int updateFlags(int flags, int userId) { 3478 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3479 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3480 // Caller expressed an explicit opinion about what encryption 3481 // aware/unaware components they want to see, so fall through and 3482 // give them what they want 3483 } else { 3484 // Caller expressed no opinion, so match based on user state 3485 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3486 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3487 } else { 3488 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3489 } 3490 } 3491 return flags; 3492 } 3493 3494 private UserManagerInternal getUserManagerInternal() { 3495 if (mUserManagerInternal == null) { 3496 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3497 } 3498 return mUserManagerInternal; 3499 } 3500 3501 /** 3502 * Update given flags when being used to request {@link PackageInfo}. 3503 */ 3504 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3505 boolean triaged = true; 3506 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3507 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3508 // Caller is asking for component details, so they'd better be 3509 // asking for specific encryption matching behavior, or be triaged 3510 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3511 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3512 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3513 triaged = false; 3514 } 3515 } 3516 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3517 | PackageManager.MATCH_SYSTEM_ONLY 3518 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3519 triaged = false; 3520 } 3521 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3522 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3523 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3524 } 3525 return updateFlags(flags, userId); 3526 } 3527 3528 /** 3529 * Update given flags when being used to request {@link ApplicationInfo}. 3530 */ 3531 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3532 return updateFlagsForPackage(flags, userId, cookie); 3533 } 3534 3535 /** 3536 * Update given flags when being used to request {@link ComponentInfo}. 3537 */ 3538 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3539 if (cookie instanceof Intent) { 3540 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3541 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3542 } 3543 } 3544 3545 boolean triaged = true; 3546 // Caller is asking for component details, so they'd better be 3547 // asking for specific encryption matching behavior, or be triaged 3548 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3549 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3550 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3551 triaged = false; 3552 } 3553 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3554 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3555 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3556 } 3557 3558 return updateFlags(flags, userId); 3559 } 3560 3561 /** 3562 * Update given flags when being used to request {@link ResolveInfo}. 3563 */ 3564 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3565 // Safe mode means we shouldn't match any third-party components 3566 if (mSafeMode) { 3567 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3568 } 3569 3570 return updateFlagsForComponent(flags, userId, cookie); 3571 } 3572 3573 @Override 3574 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3575 if (!sUserManager.exists(userId)) return null; 3576 flags = updateFlagsForComponent(flags, userId, component); 3577 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3578 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3579 synchronized (mPackages) { 3580 PackageParser.Activity a = mActivities.mActivities.get(component); 3581 3582 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3583 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3584 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3585 if (ps == null) return null; 3586 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3587 userId); 3588 } 3589 if (mResolveComponentName.equals(component)) { 3590 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3591 new PackageUserState(), userId); 3592 } 3593 } 3594 return null; 3595 } 3596 3597 @Override 3598 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3599 String resolvedType) { 3600 synchronized (mPackages) { 3601 if (component.equals(mResolveComponentName)) { 3602 // The resolver supports EVERYTHING! 3603 return true; 3604 } 3605 PackageParser.Activity a = mActivities.mActivities.get(component); 3606 if (a == null) { 3607 return false; 3608 } 3609 for (int i=0; i<a.intents.size(); i++) { 3610 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3611 intent.getData(), intent.getCategories(), TAG) >= 0) { 3612 return true; 3613 } 3614 } 3615 return false; 3616 } 3617 } 3618 3619 @Override 3620 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3621 if (!sUserManager.exists(userId)) return null; 3622 flags = updateFlagsForComponent(flags, userId, component); 3623 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3624 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3625 synchronized (mPackages) { 3626 PackageParser.Activity a = mReceivers.mActivities.get(component); 3627 if (DEBUG_PACKAGE_INFO) Log.v( 3628 TAG, "getReceiverInfo " + component + ": " + a); 3629 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3630 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3631 if (ps == null) return null; 3632 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3633 userId); 3634 } 3635 } 3636 return null; 3637 } 3638 3639 @Override 3640 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3641 if (!sUserManager.exists(userId)) return null; 3642 flags = updateFlagsForComponent(flags, userId, component); 3643 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3644 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3645 synchronized (mPackages) { 3646 PackageParser.Service s = mServices.mServices.get(component); 3647 if (DEBUG_PACKAGE_INFO) Log.v( 3648 TAG, "getServiceInfo " + component + ": " + s); 3649 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3650 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3651 if (ps == null) return null; 3652 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3653 userId); 3654 } 3655 } 3656 return null; 3657 } 3658 3659 @Override 3660 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3661 if (!sUserManager.exists(userId)) return null; 3662 flags = updateFlagsForComponent(flags, userId, component); 3663 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3664 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3665 synchronized (mPackages) { 3666 PackageParser.Provider p = mProviders.mProviders.get(component); 3667 if (DEBUG_PACKAGE_INFO) Log.v( 3668 TAG, "getProviderInfo " + component + ": " + p); 3669 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3670 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3671 if (ps == null) return null; 3672 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3673 userId); 3674 } 3675 } 3676 return null; 3677 } 3678 3679 @Override 3680 public String[] getSystemSharedLibraryNames() { 3681 Set<String> libSet; 3682 synchronized (mPackages) { 3683 libSet = mSharedLibraries.keySet(); 3684 int size = libSet.size(); 3685 if (size > 0) { 3686 String[] libs = new String[size]; 3687 libSet.toArray(libs); 3688 return libs; 3689 } 3690 } 3691 return null; 3692 } 3693 3694 @Override 3695 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3696 synchronized (mPackages) { 3697 return mServicesSystemSharedLibraryPackageName; 3698 } 3699 } 3700 3701 @Override 3702 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3703 synchronized (mPackages) { 3704 return mSharedSystemSharedLibraryPackageName; 3705 } 3706 } 3707 3708 @Override 3709 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3710 synchronized (mPackages) { 3711 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3712 3713 final FeatureInfo fi = new FeatureInfo(); 3714 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3715 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3716 res.add(fi); 3717 3718 return new ParceledListSlice<>(res); 3719 } 3720 } 3721 3722 @Override 3723 public boolean hasSystemFeature(String name, int version) { 3724 synchronized (mPackages) { 3725 final FeatureInfo feat = mAvailableFeatures.get(name); 3726 if (feat == null) { 3727 return false; 3728 } else { 3729 return feat.version >= version; 3730 } 3731 } 3732 } 3733 3734 @Override 3735 public int checkPermission(String permName, String pkgName, int userId) { 3736 if (!sUserManager.exists(userId)) { 3737 return PackageManager.PERMISSION_DENIED; 3738 } 3739 3740 synchronized (mPackages) { 3741 final PackageParser.Package p = mPackages.get(pkgName); 3742 if (p != null && p.mExtras != null) { 3743 final PackageSetting ps = (PackageSetting) p.mExtras; 3744 final PermissionsState permissionsState = ps.getPermissionsState(); 3745 if (permissionsState.hasPermission(permName, userId)) { 3746 return PackageManager.PERMISSION_GRANTED; 3747 } 3748 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3749 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3750 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3751 return PackageManager.PERMISSION_GRANTED; 3752 } 3753 } 3754 } 3755 3756 return PackageManager.PERMISSION_DENIED; 3757 } 3758 3759 @Override 3760 public int checkUidPermission(String permName, int uid) { 3761 final int userId = UserHandle.getUserId(uid); 3762 3763 if (!sUserManager.exists(userId)) { 3764 return PackageManager.PERMISSION_DENIED; 3765 } 3766 3767 synchronized (mPackages) { 3768 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3769 if (obj != null) { 3770 final SettingBase ps = (SettingBase) obj; 3771 final PermissionsState permissionsState = ps.getPermissionsState(); 3772 if (permissionsState.hasPermission(permName, userId)) { 3773 return PackageManager.PERMISSION_GRANTED; 3774 } 3775 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3776 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3777 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3778 return PackageManager.PERMISSION_GRANTED; 3779 } 3780 } else { 3781 ArraySet<String> perms = mSystemPermissions.get(uid); 3782 if (perms != null) { 3783 if (perms.contains(permName)) { 3784 return PackageManager.PERMISSION_GRANTED; 3785 } 3786 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3787 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3788 return PackageManager.PERMISSION_GRANTED; 3789 } 3790 } 3791 } 3792 } 3793 3794 return PackageManager.PERMISSION_DENIED; 3795 } 3796 3797 @Override 3798 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3799 if (UserHandle.getCallingUserId() != userId) { 3800 mContext.enforceCallingPermission( 3801 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3802 "isPermissionRevokedByPolicy for user " + userId); 3803 } 3804 3805 if (checkPermission(permission, packageName, userId) 3806 == PackageManager.PERMISSION_GRANTED) { 3807 return false; 3808 } 3809 3810 final long identity = Binder.clearCallingIdentity(); 3811 try { 3812 final int flags = getPermissionFlags(permission, packageName, userId); 3813 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3814 } finally { 3815 Binder.restoreCallingIdentity(identity); 3816 } 3817 } 3818 3819 @Override 3820 public String getPermissionControllerPackageName() { 3821 synchronized (mPackages) { 3822 return mRequiredInstallerPackage; 3823 } 3824 } 3825 3826 /** 3827 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3828 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3829 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3830 * @param message the message to log on security exception 3831 */ 3832 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3833 boolean checkShell, String message) { 3834 if (userId < 0) { 3835 throw new IllegalArgumentException("Invalid userId " + userId); 3836 } 3837 if (checkShell) { 3838 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3839 } 3840 if (userId == UserHandle.getUserId(callingUid)) return; 3841 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3842 if (requireFullPermission) { 3843 mContext.enforceCallingOrSelfPermission( 3844 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3845 } else { 3846 try { 3847 mContext.enforceCallingOrSelfPermission( 3848 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3849 } catch (SecurityException se) { 3850 mContext.enforceCallingOrSelfPermission( 3851 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3852 } 3853 } 3854 } 3855 } 3856 3857 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3858 if (callingUid == Process.SHELL_UID) { 3859 if (userHandle >= 0 3860 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3861 throw new SecurityException("Shell does not have permission to access user " 3862 + userHandle); 3863 } else if (userHandle < 0) { 3864 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3865 + Debug.getCallers(3)); 3866 } 3867 } 3868 } 3869 3870 private BasePermission findPermissionTreeLP(String permName) { 3871 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3872 if (permName.startsWith(bp.name) && 3873 permName.length() > bp.name.length() && 3874 permName.charAt(bp.name.length()) == '.') { 3875 return bp; 3876 } 3877 } 3878 return null; 3879 } 3880 3881 private BasePermission checkPermissionTreeLP(String permName) { 3882 if (permName != null) { 3883 BasePermission bp = findPermissionTreeLP(permName); 3884 if (bp != null) { 3885 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3886 return bp; 3887 } 3888 throw new SecurityException("Calling uid " 3889 + Binder.getCallingUid() 3890 + " is not allowed to add to permission tree " 3891 + bp.name + " owned by uid " + bp.uid); 3892 } 3893 } 3894 throw new SecurityException("No permission tree found for " + permName); 3895 } 3896 3897 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3898 if (s1 == null) { 3899 return s2 == null; 3900 } 3901 if (s2 == null) { 3902 return false; 3903 } 3904 if (s1.getClass() != s2.getClass()) { 3905 return false; 3906 } 3907 return s1.equals(s2); 3908 } 3909 3910 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3911 if (pi1.icon != pi2.icon) return false; 3912 if (pi1.logo != pi2.logo) return false; 3913 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3914 if (!compareStrings(pi1.name, pi2.name)) return false; 3915 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3916 // We'll take care of setting this one. 3917 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3918 // These are not currently stored in settings. 3919 //if (!compareStrings(pi1.group, pi2.group)) return false; 3920 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3921 //if (pi1.labelRes != pi2.labelRes) return false; 3922 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3923 return true; 3924 } 3925 3926 int permissionInfoFootprint(PermissionInfo info) { 3927 int size = info.name.length(); 3928 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3929 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3930 return size; 3931 } 3932 3933 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3934 int size = 0; 3935 for (BasePermission perm : mSettings.mPermissions.values()) { 3936 if (perm.uid == tree.uid) { 3937 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3938 } 3939 } 3940 return size; 3941 } 3942 3943 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3944 // We calculate the max size of permissions defined by this uid and throw 3945 // if that plus the size of 'info' would exceed our stated maximum. 3946 if (tree.uid != Process.SYSTEM_UID) { 3947 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3948 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3949 throw new SecurityException("Permission tree size cap exceeded"); 3950 } 3951 } 3952 } 3953 3954 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3955 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3956 throw new SecurityException("Label must be specified in permission"); 3957 } 3958 BasePermission tree = checkPermissionTreeLP(info.name); 3959 BasePermission bp = mSettings.mPermissions.get(info.name); 3960 boolean added = bp == null; 3961 boolean changed = true; 3962 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3963 if (added) { 3964 enforcePermissionCapLocked(info, tree); 3965 bp = new BasePermission(info.name, tree.sourcePackage, 3966 BasePermission.TYPE_DYNAMIC); 3967 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3968 throw new SecurityException( 3969 "Not allowed to modify non-dynamic permission " 3970 + info.name); 3971 } else { 3972 if (bp.protectionLevel == fixedLevel 3973 && bp.perm.owner.equals(tree.perm.owner) 3974 && bp.uid == tree.uid 3975 && comparePermissionInfos(bp.perm.info, info)) { 3976 changed = false; 3977 } 3978 } 3979 bp.protectionLevel = fixedLevel; 3980 info = new PermissionInfo(info); 3981 info.protectionLevel = fixedLevel; 3982 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3983 bp.perm.info.packageName = tree.perm.info.packageName; 3984 bp.uid = tree.uid; 3985 if (added) { 3986 mSettings.mPermissions.put(info.name, bp); 3987 } 3988 if (changed) { 3989 if (!async) { 3990 mSettings.writeLPr(); 3991 } else { 3992 scheduleWriteSettingsLocked(); 3993 } 3994 } 3995 return added; 3996 } 3997 3998 @Override 3999 public boolean addPermission(PermissionInfo info) { 4000 synchronized (mPackages) { 4001 return addPermissionLocked(info, false); 4002 } 4003 } 4004 4005 @Override 4006 public boolean addPermissionAsync(PermissionInfo info) { 4007 synchronized (mPackages) { 4008 return addPermissionLocked(info, true); 4009 } 4010 } 4011 4012 @Override 4013 public void removePermission(String name) { 4014 synchronized (mPackages) { 4015 checkPermissionTreeLP(name); 4016 BasePermission bp = mSettings.mPermissions.get(name); 4017 if (bp != null) { 4018 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4019 throw new SecurityException( 4020 "Not allowed to modify non-dynamic permission " 4021 + name); 4022 } 4023 mSettings.mPermissions.remove(name); 4024 mSettings.writeLPr(); 4025 } 4026 } 4027 } 4028 4029 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4030 BasePermission bp) { 4031 int index = pkg.requestedPermissions.indexOf(bp.name); 4032 if (index == -1) { 4033 throw new SecurityException("Package " + pkg.packageName 4034 + " has not requested permission " + bp.name); 4035 } 4036 if (!bp.isRuntime() && !bp.isDevelopment()) { 4037 throw new SecurityException("Permission " + bp.name 4038 + " is not a changeable permission type"); 4039 } 4040 } 4041 4042 @Override 4043 public void grantRuntimePermission(String packageName, String name, final int userId) { 4044 if (!sUserManager.exists(userId)) { 4045 Log.e(TAG, "No such user:" + userId); 4046 return; 4047 } 4048 4049 mContext.enforceCallingOrSelfPermission( 4050 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4051 "grantRuntimePermission"); 4052 4053 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4054 true /* requireFullPermission */, true /* checkShell */, 4055 "grantRuntimePermission"); 4056 4057 final int uid; 4058 final SettingBase sb; 4059 4060 synchronized (mPackages) { 4061 final PackageParser.Package pkg = mPackages.get(packageName); 4062 if (pkg == null) { 4063 throw new IllegalArgumentException("Unknown package: " + packageName); 4064 } 4065 4066 final BasePermission bp = mSettings.mPermissions.get(name); 4067 if (bp == null) { 4068 throw new IllegalArgumentException("Unknown permission: " + name); 4069 } 4070 4071 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4072 4073 // If a permission review is required for legacy apps we represent 4074 // their permissions as always granted runtime ones since we need 4075 // to keep the review required permission flag per user while an 4076 // install permission's state is shared across all users. 4077 if (Build.PERMISSIONS_REVIEW_REQUIRED 4078 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4079 && bp.isRuntime()) { 4080 return; 4081 } 4082 4083 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4084 sb = (SettingBase) pkg.mExtras; 4085 if (sb == null) { 4086 throw new IllegalArgumentException("Unknown package: " + packageName); 4087 } 4088 4089 final PermissionsState permissionsState = sb.getPermissionsState(); 4090 4091 final int flags = permissionsState.getPermissionFlags(name, userId); 4092 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4093 throw new SecurityException("Cannot grant system fixed permission " 4094 + name + " for package " + packageName); 4095 } 4096 4097 if (bp.isDevelopment()) { 4098 // Development permissions must be handled specially, since they are not 4099 // normal runtime permissions. For now they apply to all users. 4100 if (permissionsState.grantInstallPermission(bp) != 4101 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4102 scheduleWriteSettingsLocked(); 4103 } 4104 return; 4105 } 4106 4107 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4108 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4109 return; 4110 } 4111 4112 final int result = permissionsState.grantRuntimePermission(bp, userId); 4113 switch (result) { 4114 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4115 return; 4116 } 4117 4118 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4119 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4120 mHandler.post(new Runnable() { 4121 @Override 4122 public void run() { 4123 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4124 } 4125 }); 4126 } 4127 break; 4128 } 4129 4130 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4131 4132 // Not critical if that is lost - app has to request again. 4133 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4134 } 4135 4136 // Only need to do this if user is initialized. Otherwise it's a new user 4137 // and there are no processes running as the user yet and there's no need 4138 // to make an expensive call to remount processes for the changed permissions. 4139 if (READ_EXTERNAL_STORAGE.equals(name) 4140 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4141 final long token = Binder.clearCallingIdentity(); 4142 try { 4143 if (sUserManager.isInitialized(userId)) { 4144 MountServiceInternal mountServiceInternal = LocalServices.getService( 4145 MountServiceInternal.class); 4146 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4147 } 4148 } finally { 4149 Binder.restoreCallingIdentity(token); 4150 } 4151 } 4152 } 4153 4154 @Override 4155 public void revokeRuntimePermission(String packageName, String name, int userId) { 4156 if (!sUserManager.exists(userId)) { 4157 Log.e(TAG, "No such user:" + userId); 4158 return; 4159 } 4160 4161 mContext.enforceCallingOrSelfPermission( 4162 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4163 "revokeRuntimePermission"); 4164 4165 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4166 true /* requireFullPermission */, true /* checkShell */, 4167 "revokeRuntimePermission"); 4168 4169 final int appId; 4170 4171 synchronized (mPackages) { 4172 final PackageParser.Package pkg = mPackages.get(packageName); 4173 if (pkg == null) { 4174 throw new IllegalArgumentException("Unknown package: " + packageName); 4175 } 4176 4177 final BasePermission bp = mSettings.mPermissions.get(name); 4178 if (bp == null) { 4179 throw new IllegalArgumentException("Unknown permission: " + name); 4180 } 4181 4182 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4183 4184 // If a permission review is required for legacy apps we represent 4185 // their permissions as always granted runtime ones since we need 4186 // to keep the review required permission flag per user while an 4187 // install permission's state is shared across all users. 4188 if (Build.PERMISSIONS_REVIEW_REQUIRED 4189 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4190 && bp.isRuntime()) { 4191 return; 4192 } 4193 4194 SettingBase sb = (SettingBase) pkg.mExtras; 4195 if (sb == null) { 4196 throw new IllegalArgumentException("Unknown package: " + packageName); 4197 } 4198 4199 final PermissionsState permissionsState = sb.getPermissionsState(); 4200 4201 final int flags = permissionsState.getPermissionFlags(name, userId); 4202 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4203 throw new SecurityException("Cannot revoke system fixed permission " 4204 + name + " for package " + packageName); 4205 } 4206 4207 if (bp.isDevelopment()) { 4208 // Development permissions must be handled specially, since they are not 4209 // normal runtime permissions. For now they apply to all users. 4210 if (permissionsState.revokeInstallPermission(bp) != 4211 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4212 scheduleWriteSettingsLocked(); 4213 } 4214 return; 4215 } 4216 4217 if (permissionsState.revokeRuntimePermission(bp, userId) == 4218 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4219 return; 4220 } 4221 4222 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4223 4224 // Critical, after this call app should never have the permission. 4225 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4226 4227 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4228 } 4229 4230 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4231 } 4232 4233 @Override 4234 public void resetRuntimePermissions() { 4235 mContext.enforceCallingOrSelfPermission( 4236 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4237 "revokeRuntimePermission"); 4238 4239 int callingUid = Binder.getCallingUid(); 4240 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4241 mContext.enforceCallingOrSelfPermission( 4242 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4243 "resetRuntimePermissions"); 4244 } 4245 4246 synchronized (mPackages) { 4247 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4248 for (int userId : UserManagerService.getInstance().getUserIds()) { 4249 final int packageCount = mPackages.size(); 4250 for (int i = 0; i < packageCount; i++) { 4251 PackageParser.Package pkg = mPackages.valueAt(i); 4252 if (!(pkg.mExtras instanceof PackageSetting)) { 4253 continue; 4254 } 4255 PackageSetting ps = (PackageSetting) pkg.mExtras; 4256 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4257 } 4258 } 4259 } 4260 } 4261 4262 @Override 4263 public int getPermissionFlags(String name, String packageName, int userId) { 4264 if (!sUserManager.exists(userId)) { 4265 return 0; 4266 } 4267 4268 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4269 4270 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4271 true /* requireFullPermission */, false /* checkShell */, 4272 "getPermissionFlags"); 4273 4274 synchronized (mPackages) { 4275 final PackageParser.Package pkg = mPackages.get(packageName); 4276 if (pkg == null) { 4277 return 0; 4278 } 4279 4280 final BasePermission bp = mSettings.mPermissions.get(name); 4281 if (bp == null) { 4282 return 0; 4283 } 4284 4285 SettingBase sb = (SettingBase) pkg.mExtras; 4286 if (sb == null) { 4287 return 0; 4288 } 4289 4290 PermissionsState permissionsState = sb.getPermissionsState(); 4291 return permissionsState.getPermissionFlags(name, userId); 4292 } 4293 } 4294 4295 @Override 4296 public void updatePermissionFlags(String name, String packageName, int flagMask, 4297 int flagValues, int userId) { 4298 if (!sUserManager.exists(userId)) { 4299 return; 4300 } 4301 4302 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4303 4304 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4305 true /* requireFullPermission */, true /* checkShell */, 4306 "updatePermissionFlags"); 4307 4308 // Only the system can change these flags and nothing else. 4309 if (getCallingUid() != Process.SYSTEM_UID) { 4310 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4311 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4312 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4313 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4314 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4315 } 4316 4317 synchronized (mPackages) { 4318 final PackageParser.Package pkg = mPackages.get(packageName); 4319 if (pkg == null) { 4320 throw new IllegalArgumentException("Unknown package: " + packageName); 4321 } 4322 4323 final BasePermission bp = mSettings.mPermissions.get(name); 4324 if (bp == null) { 4325 throw new IllegalArgumentException("Unknown permission: " + name); 4326 } 4327 4328 SettingBase sb = (SettingBase) pkg.mExtras; 4329 if (sb == null) { 4330 throw new IllegalArgumentException("Unknown package: " + packageName); 4331 } 4332 4333 PermissionsState permissionsState = sb.getPermissionsState(); 4334 4335 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4336 4337 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4338 // Install and runtime permissions are stored in different places, 4339 // so figure out what permission changed and persist the change. 4340 if (permissionsState.getInstallPermissionState(name) != null) { 4341 scheduleWriteSettingsLocked(); 4342 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4343 || hadState) { 4344 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4345 } 4346 } 4347 } 4348 } 4349 4350 /** 4351 * Update the permission flags for all packages and runtime permissions of a user in order 4352 * to allow device or profile owner to remove POLICY_FIXED. 4353 */ 4354 @Override 4355 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4356 if (!sUserManager.exists(userId)) { 4357 return; 4358 } 4359 4360 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4361 4362 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4363 true /* requireFullPermission */, true /* checkShell */, 4364 "updatePermissionFlagsForAllApps"); 4365 4366 // Only the system can change system fixed flags. 4367 if (getCallingUid() != Process.SYSTEM_UID) { 4368 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4369 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4370 } 4371 4372 synchronized (mPackages) { 4373 boolean changed = false; 4374 final int packageCount = mPackages.size(); 4375 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4376 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4377 SettingBase sb = (SettingBase) pkg.mExtras; 4378 if (sb == null) { 4379 continue; 4380 } 4381 PermissionsState permissionsState = sb.getPermissionsState(); 4382 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4383 userId, flagMask, flagValues); 4384 } 4385 if (changed) { 4386 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4387 } 4388 } 4389 } 4390 4391 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4392 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4393 != PackageManager.PERMISSION_GRANTED 4394 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4395 != PackageManager.PERMISSION_GRANTED) { 4396 throw new SecurityException(message + " requires " 4397 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4398 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4399 } 4400 } 4401 4402 @Override 4403 public boolean shouldShowRequestPermissionRationale(String permissionName, 4404 String packageName, int userId) { 4405 if (UserHandle.getCallingUserId() != userId) { 4406 mContext.enforceCallingPermission( 4407 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4408 "canShowRequestPermissionRationale for user " + userId); 4409 } 4410 4411 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4412 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4413 return false; 4414 } 4415 4416 if (checkPermission(permissionName, packageName, userId) 4417 == PackageManager.PERMISSION_GRANTED) { 4418 return false; 4419 } 4420 4421 final int flags; 4422 4423 final long identity = Binder.clearCallingIdentity(); 4424 try { 4425 flags = getPermissionFlags(permissionName, 4426 packageName, userId); 4427 } finally { 4428 Binder.restoreCallingIdentity(identity); 4429 } 4430 4431 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4432 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4433 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4434 4435 if ((flags & fixedFlags) != 0) { 4436 return false; 4437 } 4438 4439 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4440 } 4441 4442 @Override 4443 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4444 mContext.enforceCallingOrSelfPermission( 4445 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4446 "addOnPermissionsChangeListener"); 4447 4448 synchronized (mPackages) { 4449 mOnPermissionChangeListeners.addListenerLocked(listener); 4450 } 4451 } 4452 4453 @Override 4454 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4455 synchronized (mPackages) { 4456 mOnPermissionChangeListeners.removeListenerLocked(listener); 4457 } 4458 } 4459 4460 @Override 4461 public boolean isProtectedBroadcast(String actionName) { 4462 synchronized (mPackages) { 4463 if (mProtectedBroadcasts.contains(actionName)) { 4464 return true; 4465 } else if (actionName != null) { 4466 // TODO: remove these terrible hacks 4467 if (actionName.startsWith("android.net.netmon.lingerExpired") 4468 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4469 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4470 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4471 return true; 4472 } 4473 } 4474 } 4475 return false; 4476 } 4477 4478 @Override 4479 public int checkSignatures(String pkg1, String pkg2) { 4480 synchronized (mPackages) { 4481 final PackageParser.Package p1 = mPackages.get(pkg1); 4482 final PackageParser.Package p2 = mPackages.get(pkg2); 4483 if (p1 == null || p1.mExtras == null 4484 || p2 == null || p2.mExtras == null) { 4485 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4486 } 4487 return compareSignatures(p1.mSignatures, p2.mSignatures); 4488 } 4489 } 4490 4491 @Override 4492 public int checkUidSignatures(int uid1, int uid2) { 4493 // Map to base uids. 4494 uid1 = UserHandle.getAppId(uid1); 4495 uid2 = UserHandle.getAppId(uid2); 4496 // reader 4497 synchronized (mPackages) { 4498 Signature[] s1; 4499 Signature[] s2; 4500 Object obj = mSettings.getUserIdLPr(uid1); 4501 if (obj != null) { 4502 if (obj instanceof SharedUserSetting) { 4503 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4504 } else if (obj instanceof PackageSetting) { 4505 s1 = ((PackageSetting)obj).signatures.mSignatures; 4506 } else { 4507 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4508 } 4509 } else { 4510 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4511 } 4512 obj = mSettings.getUserIdLPr(uid2); 4513 if (obj != null) { 4514 if (obj instanceof SharedUserSetting) { 4515 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4516 } else if (obj instanceof PackageSetting) { 4517 s2 = ((PackageSetting)obj).signatures.mSignatures; 4518 } else { 4519 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4520 } 4521 } else { 4522 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4523 } 4524 return compareSignatures(s1, s2); 4525 } 4526 } 4527 4528 /** 4529 * This method should typically only be used when granting or revoking 4530 * permissions, since the app may immediately restart after this call. 4531 * <p> 4532 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4533 * guard your work against the app being relaunched. 4534 */ 4535 private void killUid(int appId, int userId, String reason) { 4536 final long identity = Binder.clearCallingIdentity(); 4537 try { 4538 IActivityManager am = ActivityManagerNative.getDefault(); 4539 if (am != null) { 4540 try { 4541 am.killUid(appId, userId, reason); 4542 } catch (RemoteException e) { 4543 /* ignore - same process */ 4544 } 4545 } 4546 } finally { 4547 Binder.restoreCallingIdentity(identity); 4548 } 4549 } 4550 4551 /** 4552 * Compares two sets of signatures. Returns: 4553 * <br /> 4554 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4555 * <br /> 4556 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4557 * <br /> 4558 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4559 * <br /> 4560 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4561 * <br /> 4562 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4563 */ 4564 static int compareSignatures(Signature[] s1, Signature[] s2) { 4565 if (s1 == null) { 4566 return s2 == null 4567 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4568 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4569 } 4570 4571 if (s2 == null) { 4572 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4573 } 4574 4575 if (s1.length != s2.length) { 4576 return PackageManager.SIGNATURE_NO_MATCH; 4577 } 4578 4579 // Since both signature sets are of size 1, we can compare without HashSets. 4580 if (s1.length == 1) { 4581 return s1[0].equals(s2[0]) ? 4582 PackageManager.SIGNATURE_MATCH : 4583 PackageManager.SIGNATURE_NO_MATCH; 4584 } 4585 4586 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4587 for (Signature sig : s1) { 4588 set1.add(sig); 4589 } 4590 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4591 for (Signature sig : s2) { 4592 set2.add(sig); 4593 } 4594 // Make sure s2 contains all signatures in s1. 4595 if (set1.equals(set2)) { 4596 return PackageManager.SIGNATURE_MATCH; 4597 } 4598 return PackageManager.SIGNATURE_NO_MATCH; 4599 } 4600 4601 /** 4602 * If the database version for this type of package (internal storage or 4603 * external storage) is less than the version where package signatures 4604 * were updated, return true. 4605 */ 4606 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4607 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4608 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4609 } 4610 4611 /** 4612 * Used for backward compatibility to make sure any packages with 4613 * certificate chains get upgraded to the new style. {@code existingSigs} 4614 * will be in the old format (since they were stored on disk from before the 4615 * system upgrade) and {@code scannedSigs} will be in the newer format. 4616 */ 4617 private int compareSignaturesCompat(PackageSignatures existingSigs, 4618 PackageParser.Package scannedPkg) { 4619 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4620 return PackageManager.SIGNATURE_NO_MATCH; 4621 } 4622 4623 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4624 for (Signature sig : existingSigs.mSignatures) { 4625 existingSet.add(sig); 4626 } 4627 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4628 for (Signature sig : scannedPkg.mSignatures) { 4629 try { 4630 Signature[] chainSignatures = sig.getChainSignatures(); 4631 for (Signature chainSig : chainSignatures) { 4632 scannedCompatSet.add(chainSig); 4633 } 4634 } catch (CertificateEncodingException e) { 4635 scannedCompatSet.add(sig); 4636 } 4637 } 4638 /* 4639 * Make sure the expanded scanned set contains all signatures in the 4640 * existing one. 4641 */ 4642 if (scannedCompatSet.equals(existingSet)) { 4643 // Migrate the old signatures to the new scheme. 4644 existingSigs.assignSignatures(scannedPkg.mSignatures); 4645 // The new KeySets will be re-added later in the scanning process. 4646 synchronized (mPackages) { 4647 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4648 } 4649 return PackageManager.SIGNATURE_MATCH; 4650 } 4651 return PackageManager.SIGNATURE_NO_MATCH; 4652 } 4653 4654 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4655 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4656 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4657 } 4658 4659 private int compareSignaturesRecover(PackageSignatures existingSigs, 4660 PackageParser.Package scannedPkg) { 4661 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4662 return PackageManager.SIGNATURE_NO_MATCH; 4663 } 4664 4665 String msg = null; 4666 try { 4667 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4668 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4669 + scannedPkg.packageName); 4670 return PackageManager.SIGNATURE_MATCH; 4671 } 4672 } catch (CertificateException e) { 4673 msg = e.getMessage(); 4674 } 4675 4676 logCriticalInfo(Log.INFO, 4677 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4678 return PackageManager.SIGNATURE_NO_MATCH; 4679 } 4680 4681 @Override 4682 public List<String> getAllPackages() { 4683 synchronized (mPackages) { 4684 return new ArrayList<String>(mPackages.keySet()); 4685 } 4686 } 4687 4688 @Override 4689 public String[] getPackagesForUid(int uid) { 4690 uid = UserHandle.getAppId(uid); 4691 // reader 4692 synchronized (mPackages) { 4693 Object obj = mSettings.getUserIdLPr(uid); 4694 if (obj instanceof SharedUserSetting) { 4695 final SharedUserSetting sus = (SharedUserSetting) obj; 4696 final int N = sus.packages.size(); 4697 final String[] res = new String[N]; 4698 final Iterator<PackageSetting> it = sus.packages.iterator(); 4699 int i = 0; 4700 while (it.hasNext()) { 4701 res[i++] = it.next().name; 4702 } 4703 return res; 4704 } else if (obj instanceof PackageSetting) { 4705 final PackageSetting ps = (PackageSetting) obj; 4706 return new String[] { ps.name }; 4707 } 4708 } 4709 return null; 4710 } 4711 4712 @Override 4713 public String getNameForUid(int uid) { 4714 // reader 4715 synchronized (mPackages) { 4716 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4717 if (obj instanceof SharedUserSetting) { 4718 final SharedUserSetting sus = (SharedUserSetting) obj; 4719 return sus.name + ":" + sus.userId; 4720 } else if (obj instanceof PackageSetting) { 4721 final PackageSetting ps = (PackageSetting) obj; 4722 return ps.name; 4723 } 4724 } 4725 return null; 4726 } 4727 4728 @Override 4729 public int getUidForSharedUser(String sharedUserName) { 4730 if(sharedUserName == null) { 4731 return -1; 4732 } 4733 // reader 4734 synchronized (mPackages) { 4735 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4736 if (suid == null) { 4737 return -1; 4738 } 4739 return suid.userId; 4740 } 4741 } 4742 4743 @Override 4744 public int getFlagsForUid(int uid) { 4745 synchronized (mPackages) { 4746 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4747 if (obj instanceof SharedUserSetting) { 4748 final SharedUserSetting sus = (SharedUserSetting) obj; 4749 return sus.pkgFlags; 4750 } else if (obj instanceof PackageSetting) { 4751 final PackageSetting ps = (PackageSetting) obj; 4752 return ps.pkgFlags; 4753 } 4754 } 4755 return 0; 4756 } 4757 4758 @Override 4759 public int getPrivateFlagsForUid(int uid) { 4760 synchronized (mPackages) { 4761 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4762 if (obj instanceof SharedUserSetting) { 4763 final SharedUserSetting sus = (SharedUserSetting) obj; 4764 return sus.pkgPrivateFlags; 4765 } else if (obj instanceof PackageSetting) { 4766 final PackageSetting ps = (PackageSetting) obj; 4767 return ps.pkgPrivateFlags; 4768 } 4769 } 4770 return 0; 4771 } 4772 4773 @Override 4774 public boolean isUidPrivileged(int uid) { 4775 uid = UserHandle.getAppId(uid); 4776 // reader 4777 synchronized (mPackages) { 4778 Object obj = mSettings.getUserIdLPr(uid); 4779 if (obj instanceof SharedUserSetting) { 4780 final SharedUserSetting sus = (SharedUserSetting) obj; 4781 final Iterator<PackageSetting> it = sus.packages.iterator(); 4782 while (it.hasNext()) { 4783 if (it.next().isPrivileged()) { 4784 return true; 4785 } 4786 } 4787 } else if (obj instanceof PackageSetting) { 4788 final PackageSetting ps = (PackageSetting) obj; 4789 return ps.isPrivileged(); 4790 } 4791 } 4792 return false; 4793 } 4794 4795 @Override 4796 public String[] getAppOpPermissionPackages(String permissionName) { 4797 synchronized (mPackages) { 4798 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4799 if (pkgs == null) { 4800 return null; 4801 } 4802 return pkgs.toArray(new String[pkgs.size()]); 4803 } 4804 } 4805 4806 @Override 4807 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4808 int flags, int userId) { 4809 try { 4810 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4811 4812 if (!sUserManager.exists(userId)) return null; 4813 flags = updateFlagsForResolve(flags, userId, intent); 4814 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4815 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4816 4817 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4818 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4819 flags, userId); 4820 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4821 4822 final ResolveInfo bestChoice = 4823 chooseBestActivity(intent, resolvedType, flags, query, userId); 4824 4825 if (isEphemeralAllowed(intent, query, userId)) { 4826 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4827 final EphemeralResolveInfo ai = 4828 getEphemeralResolveInfo(intent, resolvedType, userId); 4829 if (ai != null) { 4830 if (DEBUG_EPHEMERAL) { 4831 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4832 } 4833 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4834 bestChoice.ephemeralResolveInfo = ai; 4835 } 4836 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4837 } 4838 return bestChoice; 4839 } finally { 4840 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4841 } 4842 } 4843 4844 @Override 4845 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4846 IntentFilter filter, int match, ComponentName activity) { 4847 final int userId = UserHandle.getCallingUserId(); 4848 if (DEBUG_PREFERRED) { 4849 Log.v(TAG, "setLastChosenActivity intent=" + intent 4850 + " resolvedType=" + resolvedType 4851 + " flags=" + flags 4852 + " filter=" + filter 4853 + " match=" + match 4854 + " activity=" + activity); 4855 filter.dump(new PrintStreamPrinter(System.out), " "); 4856 } 4857 intent.setComponent(null); 4858 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4859 userId); 4860 // Find any earlier preferred or last chosen entries and nuke them 4861 findPreferredActivity(intent, resolvedType, 4862 flags, query, 0, false, true, false, userId); 4863 // Add the new activity as the last chosen for this filter 4864 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4865 "Setting last chosen"); 4866 } 4867 4868 @Override 4869 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4870 final int userId = UserHandle.getCallingUserId(); 4871 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4872 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4873 userId); 4874 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4875 false, false, false, userId); 4876 } 4877 4878 4879 private boolean isEphemeralAllowed( 4880 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4881 // Short circuit and return early if possible. 4882 if (DISABLE_EPHEMERAL_APPS) { 4883 return false; 4884 } 4885 final int callingUser = UserHandle.getCallingUserId(); 4886 if (callingUser != UserHandle.USER_SYSTEM) { 4887 return false; 4888 } 4889 if (mEphemeralResolverConnection == null) { 4890 return false; 4891 } 4892 if (intent.getComponent() != null) { 4893 return false; 4894 } 4895 if (intent.getPackage() != null) { 4896 return false; 4897 } 4898 final boolean isWebUri = hasWebURI(intent); 4899 if (!isWebUri) { 4900 return false; 4901 } 4902 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4903 synchronized (mPackages) { 4904 final int count = resolvedActivites.size(); 4905 for (int n = 0; n < count; n++) { 4906 ResolveInfo info = resolvedActivites.get(n); 4907 String packageName = info.activityInfo.packageName; 4908 PackageSetting ps = mSettings.mPackages.get(packageName); 4909 if (ps != null) { 4910 // Try to get the status from User settings first 4911 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4912 int status = (int) (packedStatus >> 32); 4913 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4914 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4915 if (DEBUG_EPHEMERAL) { 4916 Slog.v(TAG, "DENY ephemeral apps;" 4917 + " pkg: " + packageName + ", status: " + status); 4918 } 4919 return false; 4920 } 4921 } 4922 } 4923 } 4924 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4925 return true; 4926 } 4927 4928 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4929 int userId) { 4930 MessageDigest digest = null; 4931 try { 4932 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4933 } catch (NoSuchAlgorithmException e) { 4934 // If we can't create a digest, ignore ephemeral apps. 4935 return null; 4936 } 4937 4938 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4939 final byte[] digestBytes = digest.digest(hostBytes); 4940 int shaPrefix = 4941 digestBytes[0] << 24 4942 | digestBytes[1] << 16 4943 | digestBytes[2] << 8 4944 | digestBytes[3] << 0; 4945 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4946 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4947 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4948 // No hash prefix match; there are no ephemeral apps for this domain. 4949 return null; 4950 } 4951 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4952 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4953 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4954 continue; 4955 } 4956 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4957 // No filters; this should never happen. 4958 if (filters.isEmpty()) { 4959 continue; 4960 } 4961 // We have a domain match; resolve the filters to see if anything matches. 4962 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4963 for (int j = filters.size() - 1; j >= 0; --j) { 4964 final EphemeralResolveIntentInfo intentInfo = 4965 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4966 ephemeralResolver.addFilter(intentInfo); 4967 } 4968 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4969 intent, resolvedType, false /*defaultOnly*/, userId); 4970 if (!matchedResolveInfoList.isEmpty()) { 4971 return matchedResolveInfoList.get(0); 4972 } 4973 } 4974 // Hash or filter mis-match; no ephemeral apps for this domain. 4975 return null; 4976 } 4977 4978 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4979 int flags, List<ResolveInfo> query, int userId) { 4980 if (query != null) { 4981 final int N = query.size(); 4982 if (N == 1) { 4983 return query.get(0); 4984 } else if (N > 1) { 4985 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4986 // If there is more than one activity with the same priority, 4987 // then let the user decide between them. 4988 ResolveInfo r0 = query.get(0); 4989 ResolveInfo r1 = query.get(1); 4990 if (DEBUG_INTENT_MATCHING || debug) { 4991 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4992 + r1.activityInfo.name + "=" + r1.priority); 4993 } 4994 // If the first activity has a higher priority, or a different 4995 // default, then it is always desirable to pick it. 4996 if (r0.priority != r1.priority 4997 || r0.preferredOrder != r1.preferredOrder 4998 || r0.isDefault != r1.isDefault) { 4999 return query.get(0); 5000 } 5001 // If we have saved a preference for a preferred activity for 5002 // this Intent, use that. 5003 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5004 flags, query, r0.priority, true, false, debug, userId); 5005 if (ri != null) { 5006 return ri; 5007 } 5008 ri = new ResolveInfo(mResolveInfo); 5009 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5010 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5011 ri.activityInfo.applicationInfo = new ApplicationInfo( 5012 ri.activityInfo.applicationInfo); 5013 if (userId != 0) { 5014 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5015 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5016 } 5017 // Make sure that the resolver is displayable in car mode 5018 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5019 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5020 return ri; 5021 } 5022 } 5023 return null; 5024 } 5025 5026 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5027 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5028 final int N = query.size(); 5029 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5030 .get(userId); 5031 // Get the list of persistent preferred activities that handle the intent 5032 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5033 List<PersistentPreferredActivity> pprefs = ppir != null 5034 ? ppir.queryIntent(intent, resolvedType, 5035 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5036 : null; 5037 if (pprefs != null && pprefs.size() > 0) { 5038 final int M = pprefs.size(); 5039 for (int i=0; i<M; i++) { 5040 final PersistentPreferredActivity ppa = pprefs.get(i); 5041 if (DEBUG_PREFERRED || debug) { 5042 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5043 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5044 + "\n component=" + ppa.mComponent); 5045 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5046 } 5047 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5048 flags | MATCH_DISABLED_COMPONENTS, userId); 5049 if (DEBUG_PREFERRED || debug) { 5050 Slog.v(TAG, "Found persistent preferred activity:"); 5051 if (ai != null) { 5052 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5053 } else { 5054 Slog.v(TAG, " null"); 5055 } 5056 } 5057 if (ai == null) { 5058 // This previously registered persistent preferred activity 5059 // component is no longer known. Ignore it and do NOT remove it. 5060 continue; 5061 } 5062 for (int j=0; j<N; j++) { 5063 final ResolveInfo ri = query.get(j); 5064 if (!ri.activityInfo.applicationInfo.packageName 5065 .equals(ai.applicationInfo.packageName)) { 5066 continue; 5067 } 5068 if (!ri.activityInfo.name.equals(ai.name)) { 5069 continue; 5070 } 5071 // Found a persistent preference that can handle the intent. 5072 if (DEBUG_PREFERRED || debug) { 5073 Slog.v(TAG, "Returning persistent preferred activity: " + 5074 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5075 } 5076 return ri; 5077 } 5078 } 5079 } 5080 return null; 5081 } 5082 5083 // TODO: handle preferred activities missing while user has amnesia 5084 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5085 List<ResolveInfo> query, int priority, boolean always, 5086 boolean removeMatches, boolean debug, int userId) { 5087 if (!sUserManager.exists(userId)) return null; 5088 flags = updateFlagsForResolve(flags, userId, intent); 5089 // writer 5090 synchronized (mPackages) { 5091 if (intent.getSelector() != null) { 5092 intent = intent.getSelector(); 5093 } 5094 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5095 5096 // Try to find a matching persistent preferred activity. 5097 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5098 debug, userId); 5099 5100 // If a persistent preferred activity matched, use it. 5101 if (pri != null) { 5102 return pri; 5103 } 5104 5105 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5106 // Get the list of preferred activities that handle the intent 5107 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5108 List<PreferredActivity> prefs = pir != null 5109 ? pir.queryIntent(intent, resolvedType, 5110 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5111 : null; 5112 if (prefs != null && prefs.size() > 0) { 5113 boolean changed = false; 5114 try { 5115 // First figure out how good the original match set is. 5116 // We will only allow preferred activities that came 5117 // from the same match quality. 5118 int match = 0; 5119 5120 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5121 5122 final int N = query.size(); 5123 for (int j=0; j<N; j++) { 5124 final ResolveInfo ri = query.get(j); 5125 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5126 + ": 0x" + Integer.toHexString(match)); 5127 if (ri.match > match) { 5128 match = ri.match; 5129 } 5130 } 5131 5132 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5133 + Integer.toHexString(match)); 5134 5135 match &= IntentFilter.MATCH_CATEGORY_MASK; 5136 final int M = prefs.size(); 5137 for (int i=0; i<M; i++) { 5138 final PreferredActivity pa = prefs.get(i); 5139 if (DEBUG_PREFERRED || debug) { 5140 Slog.v(TAG, "Checking PreferredActivity ds=" 5141 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5142 + "\n component=" + pa.mPref.mComponent); 5143 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5144 } 5145 if (pa.mPref.mMatch != match) { 5146 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5147 + Integer.toHexString(pa.mPref.mMatch)); 5148 continue; 5149 } 5150 // If it's not an "always" type preferred activity and that's what we're 5151 // looking for, skip it. 5152 if (always && !pa.mPref.mAlways) { 5153 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5154 continue; 5155 } 5156 final ActivityInfo ai = getActivityInfo( 5157 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5158 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5159 userId); 5160 if (DEBUG_PREFERRED || debug) { 5161 Slog.v(TAG, "Found preferred activity:"); 5162 if (ai != null) { 5163 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5164 } else { 5165 Slog.v(TAG, " null"); 5166 } 5167 } 5168 if (ai == null) { 5169 // This previously registered preferred activity 5170 // component is no longer known. Most likely an update 5171 // to the app was installed and in the new version this 5172 // component no longer exists. Clean it up by removing 5173 // it from the preferred activities list, and skip it. 5174 Slog.w(TAG, "Removing dangling preferred activity: " 5175 + pa.mPref.mComponent); 5176 pir.removeFilter(pa); 5177 changed = true; 5178 continue; 5179 } 5180 for (int j=0; j<N; j++) { 5181 final ResolveInfo ri = query.get(j); 5182 if (!ri.activityInfo.applicationInfo.packageName 5183 .equals(ai.applicationInfo.packageName)) { 5184 continue; 5185 } 5186 if (!ri.activityInfo.name.equals(ai.name)) { 5187 continue; 5188 } 5189 5190 if (removeMatches) { 5191 pir.removeFilter(pa); 5192 changed = true; 5193 if (DEBUG_PREFERRED) { 5194 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5195 } 5196 break; 5197 } 5198 5199 // Okay we found a previously set preferred or last chosen app. 5200 // If the result set is different from when this 5201 // was created, we need to clear it and re-ask the 5202 // user their preference, if we're looking for an "always" type entry. 5203 if (always && !pa.mPref.sameSet(query)) { 5204 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5205 + intent + " type " + resolvedType); 5206 if (DEBUG_PREFERRED) { 5207 Slog.v(TAG, "Removing preferred activity since set changed " 5208 + pa.mPref.mComponent); 5209 } 5210 pir.removeFilter(pa); 5211 // Re-add the filter as a "last chosen" entry (!always) 5212 PreferredActivity lastChosen = new PreferredActivity( 5213 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5214 pir.addFilter(lastChosen); 5215 changed = true; 5216 return null; 5217 } 5218 5219 // Yay! Either the set matched or we're looking for the last chosen 5220 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5221 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5222 return ri; 5223 } 5224 } 5225 } finally { 5226 if (changed) { 5227 if (DEBUG_PREFERRED) { 5228 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5229 } 5230 scheduleWritePackageRestrictionsLocked(userId); 5231 } 5232 } 5233 } 5234 } 5235 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5236 return null; 5237 } 5238 5239 /* 5240 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5241 */ 5242 @Override 5243 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5244 int targetUserId) { 5245 mContext.enforceCallingOrSelfPermission( 5246 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5247 List<CrossProfileIntentFilter> matches = 5248 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5249 if (matches != null) { 5250 int size = matches.size(); 5251 for (int i = 0; i < size; i++) { 5252 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5253 } 5254 } 5255 if (hasWebURI(intent)) { 5256 // cross-profile app linking works only towards the parent. 5257 final UserInfo parent = getProfileParent(sourceUserId); 5258 synchronized(mPackages) { 5259 int flags = updateFlagsForResolve(0, parent.id, intent); 5260 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5261 intent, resolvedType, flags, sourceUserId, parent.id); 5262 return xpDomainInfo != null; 5263 } 5264 } 5265 return false; 5266 } 5267 5268 private UserInfo getProfileParent(int userId) { 5269 final long identity = Binder.clearCallingIdentity(); 5270 try { 5271 return sUserManager.getProfileParent(userId); 5272 } finally { 5273 Binder.restoreCallingIdentity(identity); 5274 } 5275 } 5276 5277 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5278 String resolvedType, int userId) { 5279 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5280 if (resolver != null) { 5281 return resolver.queryIntent(intent, resolvedType, false, userId); 5282 } 5283 return null; 5284 } 5285 5286 @Override 5287 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5288 String resolvedType, int flags, int userId) { 5289 try { 5290 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5291 5292 return new ParceledListSlice<>( 5293 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5294 } finally { 5295 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5296 } 5297 } 5298 5299 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5300 String resolvedType, int flags, int userId) { 5301 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5302 flags = updateFlagsForResolve(flags, userId, intent); 5303 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5304 false /* requireFullPermission */, false /* checkShell */, 5305 "query intent activities"); 5306 ComponentName comp = intent.getComponent(); 5307 if (comp == null) { 5308 if (intent.getSelector() != null) { 5309 intent = intent.getSelector(); 5310 comp = intent.getComponent(); 5311 } 5312 } 5313 5314 if (comp != null) { 5315 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5316 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5317 if (ai != null) { 5318 final ResolveInfo ri = new ResolveInfo(); 5319 ri.activityInfo = ai; 5320 list.add(ri); 5321 } 5322 return list; 5323 } 5324 5325 // reader 5326 synchronized (mPackages) { 5327 final String pkgName = intent.getPackage(); 5328 if (pkgName == null) { 5329 List<CrossProfileIntentFilter> matchingFilters = 5330 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5331 // Check for results that need to skip the current profile. 5332 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5333 resolvedType, flags, userId); 5334 if (xpResolveInfo != null) { 5335 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5336 result.add(xpResolveInfo); 5337 return filterIfNotSystemUser(result, userId); 5338 } 5339 5340 // Check for results in the current profile. 5341 List<ResolveInfo> result = mActivities.queryIntent( 5342 intent, resolvedType, flags, userId); 5343 result = filterIfNotSystemUser(result, userId); 5344 5345 // Check for cross profile results. 5346 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5347 xpResolveInfo = queryCrossProfileIntents( 5348 matchingFilters, intent, resolvedType, flags, userId, 5349 hasNonNegativePriorityResult); 5350 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5351 boolean isVisibleToUser = filterIfNotSystemUser( 5352 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5353 if (isVisibleToUser) { 5354 result.add(xpResolveInfo); 5355 Collections.sort(result, mResolvePrioritySorter); 5356 } 5357 } 5358 if (hasWebURI(intent)) { 5359 CrossProfileDomainInfo xpDomainInfo = null; 5360 final UserInfo parent = getProfileParent(userId); 5361 if (parent != null) { 5362 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5363 flags, userId, parent.id); 5364 } 5365 if (xpDomainInfo != null) { 5366 if (xpResolveInfo != null) { 5367 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5368 // in the result. 5369 result.remove(xpResolveInfo); 5370 } 5371 if (result.size() == 0) { 5372 result.add(xpDomainInfo.resolveInfo); 5373 return result; 5374 } 5375 } else if (result.size() <= 1) { 5376 return result; 5377 } 5378 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5379 xpDomainInfo, userId); 5380 Collections.sort(result, mResolvePrioritySorter); 5381 } 5382 return result; 5383 } 5384 final PackageParser.Package pkg = mPackages.get(pkgName); 5385 if (pkg != null) { 5386 return filterIfNotSystemUser( 5387 mActivities.queryIntentForPackage( 5388 intent, resolvedType, flags, pkg.activities, userId), 5389 userId); 5390 } 5391 return new ArrayList<ResolveInfo>(); 5392 } 5393 } 5394 5395 private static class CrossProfileDomainInfo { 5396 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5397 ResolveInfo resolveInfo; 5398 /* Best domain verification status of the activities found in the other profile */ 5399 int bestDomainVerificationStatus; 5400 } 5401 5402 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5403 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5404 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5405 sourceUserId)) { 5406 return null; 5407 } 5408 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5409 resolvedType, flags, parentUserId); 5410 5411 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5412 return null; 5413 } 5414 CrossProfileDomainInfo result = null; 5415 int size = resultTargetUser.size(); 5416 for (int i = 0; i < size; i++) { 5417 ResolveInfo riTargetUser = resultTargetUser.get(i); 5418 // Intent filter verification is only for filters that specify a host. So don't return 5419 // those that handle all web uris. 5420 if (riTargetUser.handleAllWebDataURI) { 5421 continue; 5422 } 5423 String packageName = riTargetUser.activityInfo.packageName; 5424 PackageSetting ps = mSettings.mPackages.get(packageName); 5425 if (ps == null) { 5426 continue; 5427 } 5428 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5429 int status = (int)(verificationState >> 32); 5430 if (result == null) { 5431 result = new CrossProfileDomainInfo(); 5432 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5433 sourceUserId, parentUserId); 5434 result.bestDomainVerificationStatus = status; 5435 } else { 5436 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5437 result.bestDomainVerificationStatus); 5438 } 5439 } 5440 // Don't consider matches with status NEVER across profiles. 5441 if (result != null && result.bestDomainVerificationStatus 5442 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5443 return null; 5444 } 5445 return result; 5446 } 5447 5448 /** 5449 * Verification statuses are ordered from the worse to the best, except for 5450 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5451 */ 5452 private int bestDomainVerificationStatus(int status1, int status2) { 5453 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5454 return status2; 5455 } 5456 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5457 return status1; 5458 } 5459 return (int) MathUtils.max(status1, status2); 5460 } 5461 5462 private boolean isUserEnabled(int userId) { 5463 long callingId = Binder.clearCallingIdentity(); 5464 try { 5465 UserInfo userInfo = sUserManager.getUserInfo(userId); 5466 return userInfo != null && userInfo.isEnabled(); 5467 } finally { 5468 Binder.restoreCallingIdentity(callingId); 5469 } 5470 } 5471 5472 /** 5473 * Filter out activities with systemUserOnly flag set, when current user is not System. 5474 * 5475 * @return filtered list 5476 */ 5477 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5478 if (userId == UserHandle.USER_SYSTEM) { 5479 return resolveInfos; 5480 } 5481 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5482 ResolveInfo info = resolveInfos.get(i); 5483 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5484 resolveInfos.remove(i); 5485 } 5486 } 5487 return resolveInfos; 5488 } 5489 5490 /** 5491 * @param resolveInfos list of resolve infos in descending priority order 5492 * @return if the list contains a resolve info with non-negative priority 5493 */ 5494 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5495 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5496 } 5497 5498 private static boolean hasWebURI(Intent intent) { 5499 if (intent.getData() == null) { 5500 return false; 5501 } 5502 final String scheme = intent.getScheme(); 5503 if (TextUtils.isEmpty(scheme)) { 5504 return false; 5505 } 5506 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5507 } 5508 5509 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5510 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5511 int userId) { 5512 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5513 5514 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5515 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5516 candidates.size()); 5517 } 5518 5519 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5520 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5521 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5522 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5523 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5524 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5525 5526 synchronized (mPackages) { 5527 final int count = candidates.size(); 5528 // First, try to use linked apps. Partition the candidates into four lists: 5529 // one for the final results, one for the "do not use ever", one for "undefined status" 5530 // and finally one for "browser app type". 5531 for (int n=0; n<count; n++) { 5532 ResolveInfo info = candidates.get(n); 5533 String packageName = info.activityInfo.packageName; 5534 PackageSetting ps = mSettings.mPackages.get(packageName); 5535 if (ps != null) { 5536 // Add to the special match all list (Browser use case) 5537 if (info.handleAllWebDataURI) { 5538 matchAllList.add(info); 5539 continue; 5540 } 5541 // Try to get the status from User settings first 5542 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5543 int status = (int)(packedStatus >> 32); 5544 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5545 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5546 if (DEBUG_DOMAIN_VERIFICATION) { 5547 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5548 + " : linkgen=" + linkGeneration); 5549 } 5550 // Use link-enabled generation as preferredOrder, i.e. 5551 // prefer newly-enabled over earlier-enabled. 5552 info.preferredOrder = linkGeneration; 5553 alwaysList.add(info); 5554 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5555 if (DEBUG_DOMAIN_VERIFICATION) { 5556 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5557 } 5558 neverList.add(info); 5559 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5560 if (DEBUG_DOMAIN_VERIFICATION) { 5561 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5562 } 5563 alwaysAskList.add(info); 5564 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5565 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5566 if (DEBUG_DOMAIN_VERIFICATION) { 5567 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5568 } 5569 undefinedList.add(info); 5570 } 5571 } 5572 } 5573 5574 // We'll want to include browser possibilities in a few cases 5575 boolean includeBrowser = false; 5576 5577 // First try to add the "always" resolution(s) for the current user, if any 5578 if (alwaysList.size() > 0) { 5579 result.addAll(alwaysList); 5580 } else { 5581 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5582 result.addAll(undefinedList); 5583 // Maybe add one for the other profile. 5584 if (xpDomainInfo != null && ( 5585 xpDomainInfo.bestDomainVerificationStatus 5586 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5587 result.add(xpDomainInfo.resolveInfo); 5588 } 5589 includeBrowser = true; 5590 } 5591 5592 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5593 // If there were 'always' entries their preferred order has been set, so we also 5594 // back that off to make the alternatives equivalent 5595 if (alwaysAskList.size() > 0) { 5596 for (ResolveInfo i : result) { 5597 i.preferredOrder = 0; 5598 } 5599 result.addAll(alwaysAskList); 5600 includeBrowser = true; 5601 } 5602 5603 if (includeBrowser) { 5604 // Also add browsers (all of them or only the default one) 5605 if (DEBUG_DOMAIN_VERIFICATION) { 5606 Slog.v(TAG, " ...including browsers in candidate set"); 5607 } 5608 if ((matchFlags & MATCH_ALL) != 0) { 5609 result.addAll(matchAllList); 5610 } else { 5611 // Browser/generic handling case. If there's a default browser, go straight 5612 // to that (but only if there is no other higher-priority match). 5613 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5614 int maxMatchPrio = 0; 5615 ResolveInfo defaultBrowserMatch = null; 5616 final int numCandidates = matchAllList.size(); 5617 for (int n = 0; n < numCandidates; n++) { 5618 ResolveInfo info = matchAllList.get(n); 5619 // track the highest overall match priority... 5620 if (info.priority > maxMatchPrio) { 5621 maxMatchPrio = info.priority; 5622 } 5623 // ...and the highest-priority default browser match 5624 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5625 if (defaultBrowserMatch == null 5626 || (defaultBrowserMatch.priority < info.priority)) { 5627 if (debug) { 5628 Slog.v(TAG, "Considering default browser match " + info); 5629 } 5630 defaultBrowserMatch = info; 5631 } 5632 } 5633 } 5634 if (defaultBrowserMatch != null 5635 && defaultBrowserMatch.priority >= maxMatchPrio 5636 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5637 { 5638 if (debug) { 5639 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5640 } 5641 result.add(defaultBrowserMatch); 5642 } else { 5643 result.addAll(matchAllList); 5644 } 5645 } 5646 5647 // If there is nothing selected, add all candidates and remove the ones that the user 5648 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5649 if (result.size() == 0) { 5650 result.addAll(candidates); 5651 result.removeAll(neverList); 5652 } 5653 } 5654 } 5655 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5656 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5657 result.size()); 5658 for (ResolveInfo info : result) { 5659 Slog.v(TAG, " + " + info.activityInfo); 5660 } 5661 } 5662 return result; 5663 } 5664 5665 // Returns a packed value as a long: 5666 // 5667 // high 'int'-sized word: link status: undefined/ask/never/always. 5668 // low 'int'-sized word: relative priority among 'always' results. 5669 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5670 long result = ps.getDomainVerificationStatusForUser(userId); 5671 // if none available, get the master status 5672 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5673 if (ps.getIntentFilterVerificationInfo() != null) { 5674 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5675 } 5676 } 5677 return result; 5678 } 5679 5680 private ResolveInfo querySkipCurrentProfileIntents( 5681 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5682 int flags, int sourceUserId) { 5683 if (matchingFilters != null) { 5684 int size = matchingFilters.size(); 5685 for (int i = 0; i < size; i ++) { 5686 CrossProfileIntentFilter filter = matchingFilters.get(i); 5687 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5688 // Checking if there are activities in the target user that can handle the 5689 // intent. 5690 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5691 resolvedType, flags, sourceUserId); 5692 if (resolveInfo != null) { 5693 return resolveInfo; 5694 } 5695 } 5696 } 5697 } 5698 return null; 5699 } 5700 5701 // Return matching ResolveInfo in target user if any. 5702 private ResolveInfo queryCrossProfileIntents( 5703 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5704 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5705 if (matchingFilters != null) { 5706 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5707 // match the same intent. For performance reasons, it is better not to 5708 // run queryIntent twice for the same userId 5709 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5710 int size = matchingFilters.size(); 5711 for (int i = 0; i < size; i++) { 5712 CrossProfileIntentFilter filter = matchingFilters.get(i); 5713 int targetUserId = filter.getTargetUserId(); 5714 boolean skipCurrentProfile = 5715 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5716 boolean skipCurrentProfileIfNoMatchFound = 5717 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5718 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5719 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5720 // Checking if there are activities in the target user that can handle the 5721 // intent. 5722 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5723 resolvedType, flags, sourceUserId); 5724 if (resolveInfo != null) return resolveInfo; 5725 alreadyTriedUserIds.put(targetUserId, true); 5726 } 5727 } 5728 } 5729 return null; 5730 } 5731 5732 /** 5733 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5734 * will forward the intent to the filter's target user. 5735 * Otherwise, returns null. 5736 */ 5737 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5738 String resolvedType, int flags, int sourceUserId) { 5739 int targetUserId = filter.getTargetUserId(); 5740 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5741 resolvedType, flags, targetUserId); 5742 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5743 // If all the matches in the target profile are suspended, return null. 5744 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5745 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5746 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5747 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5748 targetUserId); 5749 } 5750 } 5751 } 5752 return null; 5753 } 5754 5755 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5756 int sourceUserId, int targetUserId) { 5757 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5758 long ident = Binder.clearCallingIdentity(); 5759 boolean targetIsProfile; 5760 try { 5761 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5762 } finally { 5763 Binder.restoreCallingIdentity(ident); 5764 } 5765 String className; 5766 if (targetIsProfile) { 5767 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5768 } else { 5769 className = FORWARD_INTENT_TO_PARENT; 5770 } 5771 ComponentName forwardingActivityComponentName = new ComponentName( 5772 mAndroidApplication.packageName, className); 5773 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5774 sourceUserId); 5775 if (!targetIsProfile) { 5776 forwardingActivityInfo.showUserIcon = targetUserId; 5777 forwardingResolveInfo.noResourceId = true; 5778 } 5779 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5780 forwardingResolveInfo.priority = 0; 5781 forwardingResolveInfo.preferredOrder = 0; 5782 forwardingResolveInfo.match = 0; 5783 forwardingResolveInfo.isDefault = true; 5784 forwardingResolveInfo.filter = filter; 5785 forwardingResolveInfo.targetUserId = targetUserId; 5786 return forwardingResolveInfo; 5787 } 5788 5789 @Override 5790 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5791 Intent[] specifics, String[] specificTypes, Intent intent, 5792 String resolvedType, int flags, int userId) { 5793 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5794 specificTypes, intent, resolvedType, flags, userId)); 5795 } 5796 5797 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5798 Intent[] specifics, String[] specificTypes, Intent intent, 5799 String resolvedType, int flags, int userId) { 5800 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5801 flags = updateFlagsForResolve(flags, userId, intent); 5802 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5803 false /* requireFullPermission */, false /* checkShell */, 5804 "query intent activity options"); 5805 final String resultsAction = intent.getAction(); 5806 5807 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5808 | PackageManager.GET_RESOLVED_FILTER, userId); 5809 5810 if (DEBUG_INTENT_MATCHING) { 5811 Log.v(TAG, "Query " + intent + ": " + results); 5812 } 5813 5814 int specificsPos = 0; 5815 int N; 5816 5817 // todo: note that the algorithm used here is O(N^2). This 5818 // isn't a problem in our current environment, but if we start running 5819 // into situations where we have more than 5 or 10 matches then this 5820 // should probably be changed to something smarter... 5821 5822 // First we go through and resolve each of the specific items 5823 // that were supplied, taking care of removing any corresponding 5824 // duplicate items in the generic resolve list. 5825 if (specifics != null) { 5826 for (int i=0; i<specifics.length; i++) { 5827 final Intent sintent = specifics[i]; 5828 if (sintent == null) { 5829 continue; 5830 } 5831 5832 if (DEBUG_INTENT_MATCHING) { 5833 Log.v(TAG, "Specific #" + i + ": " + sintent); 5834 } 5835 5836 String action = sintent.getAction(); 5837 if (resultsAction != null && resultsAction.equals(action)) { 5838 // If this action was explicitly requested, then don't 5839 // remove things that have it. 5840 action = null; 5841 } 5842 5843 ResolveInfo ri = null; 5844 ActivityInfo ai = null; 5845 5846 ComponentName comp = sintent.getComponent(); 5847 if (comp == null) { 5848 ri = resolveIntent( 5849 sintent, 5850 specificTypes != null ? specificTypes[i] : null, 5851 flags, userId); 5852 if (ri == null) { 5853 continue; 5854 } 5855 if (ri == mResolveInfo) { 5856 // ACK! Must do something better with this. 5857 } 5858 ai = ri.activityInfo; 5859 comp = new ComponentName(ai.applicationInfo.packageName, 5860 ai.name); 5861 } else { 5862 ai = getActivityInfo(comp, flags, userId); 5863 if (ai == null) { 5864 continue; 5865 } 5866 } 5867 5868 // Look for any generic query activities that are duplicates 5869 // of this specific one, and remove them from the results. 5870 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5871 N = results.size(); 5872 int j; 5873 for (j=specificsPos; j<N; j++) { 5874 ResolveInfo sri = results.get(j); 5875 if ((sri.activityInfo.name.equals(comp.getClassName()) 5876 && sri.activityInfo.applicationInfo.packageName.equals( 5877 comp.getPackageName())) 5878 || (action != null && sri.filter.matchAction(action))) { 5879 results.remove(j); 5880 if (DEBUG_INTENT_MATCHING) Log.v( 5881 TAG, "Removing duplicate item from " + j 5882 + " due to specific " + specificsPos); 5883 if (ri == null) { 5884 ri = sri; 5885 } 5886 j--; 5887 N--; 5888 } 5889 } 5890 5891 // Add this specific item to its proper place. 5892 if (ri == null) { 5893 ri = new ResolveInfo(); 5894 ri.activityInfo = ai; 5895 } 5896 results.add(specificsPos, ri); 5897 ri.specificIndex = i; 5898 specificsPos++; 5899 } 5900 } 5901 5902 // Now we go through the remaining generic results and remove any 5903 // duplicate actions that are found here. 5904 N = results.size(); 5905 for (int i=specificsPos; i<N-1; i++) { 5906 final ResolveInfo rii = results.get(i); 5907 if (rii.filter == null) { 5908 continue; 5909 } 5910 5911 // Iterate over all of the actions of this result's intent 5912 // filter... typically this should be just one. 5913 final Iterator<String> it = rii.filter.actionsIterator(); 5914 if (it == null) { 5915 continue; 5916 } 5917 while (it.hasNext()) { 5918 final String action = it.next(); 5919 if (resultsAction != null && resultsAction.equals(action)) { 5920 // If this action was explicitly requested, then don't 5921 // remove things that have it. 5922 continue; 5923 } 5924 for (int j=i+1; j<N; j++) { 5925 final ResolveInfo rij = results.get(j); 5926 if (rij.filter != null && rij.filter.hasAction(action)) { 5927 results.remove(j); 5928 if (DEBUG_INTENT_MATCHING) Log.v( 5929 TAG, "Removing duplicate item from " + j 5930 + " due to action " + action + " at " + i); 5931 j--; 5932 N--; 5933 } 5934 } 5935 } 5936 5937 // If the caller didn't request filter information, drop it now 5938 // so we don't have to marshall/unmarshall it. 5939 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5940 rii.filter = null; 5941 } 5942 } 5943 5944 // Filter out the caller activity if so requested. 5945 if (caller != null) { 5946 N = results.size(); 5947 for (int i=0; i<N; i++) { 5948 ActivityInfo ainfo = results.get(i).activityInfo; 5949 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5950 && caller.getClassName().equals(ainfo.name)) { 5951 results.remove(i); 5952 break; 5953 } 5954 } 5955 } 5956 5957 // If the caller didn't request filter information, 5958 // drop them now so we don't have to 5959 // marshall/unmarshall it. 5960 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5961 N = results.size(); 5962 for (int i=0; i<N; i++) { 5963 results.get(i).filter = null; 5964 } 5965 } 5966 5967 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5968 return results; 5969 } 5970 5971 @Override 5972 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5973 String resolvedType, int flags, int userId) { 5974 return new ParceledListSlice<>( 5975 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5976 } 5977 5978 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5979 String resolvedType, int flags, int userId) { 5980 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5981 flags = updateFlagsForResolve(flags, userId, intent); 5982 ComponentName comp = intent.getComponent(); 5983 if (comp == null) { 5984 if (intent.getSelector() != null) { 5985 intent = intent.getSelector(); 5986 comp = intent.getComponent(); 5987 } 5988 } 5989 if (comp != null) { 5990 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5991 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5992 if (ai != null) { 5993 ResolveInfo ri = new ResolveInfo(); 5994 ri.activityInfo = ai; 5995 list.add(ri); 5996 } 5997 return list; 5998 } 5999 6000 // reader 6001 synchronized (mPackages) { 6002 String pkgName = intent.getPackage(); 6003 if (pkgName == null) { 6004 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6005 } 6006 final PackageParser.Package pkg = mPackages.get(pkgName); 6007 if (pkg != null) { 6008 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6009 userId); 6010 } 6011 return Collections.emptyList(); 6012 } 6013 } 6014 6015 @Override 6016 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6017 if (!sUserManager.exists(userId)) return null; 6018 flags = updateFlagsForResolve(flags, userId, intent); 6019 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6020 if (query != null) { 6021 if (query.size() >= 1) { 6022 // If there is more than one service with the same priority, 6023 // just arbitrarily pick the first one. 6024 return query.get(0); 6025 } 6026 } 6027 return null; 6028 } 6029 6030 @Override 6031 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6032 String resolvedType, int flags, int userId) { 6033 return new ParceledListSlice<>( 6034 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6035 } 6036 6037 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6038 String resolvedType, int flags, int userId) { 6039 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6040 flags = updateFlagsForResolve(flags, userId, intent); 6041 ComponentName comp = intent.getComponent(); 6042 if (comp == null) { 6043 if (intent.getSelector() != null) { 6044 intent = intent.getSelector(); 6045 comp = intent.getComponent(); 6046 } 6047 } 6048 if (comp != null) { 6049 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6050 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6051 if (si != null) { 6052 final ResolveInfo ri = new ResolveInfo(); 6053 ri.serviceInfo = si; 6054 list.add(ri); 6055 } 6056 return list; 6057 } 6058 6059 // reader 6060 synchronized (mPackages) { 6061 String pkgName = intent.getPackage(); 6062 if (pkgName == null) { 6063 return mServices.queryIntent(intent, resolvedType, flags, userId); 6064 } 6065 final PackageParser.Package pkg = mPackages.get(pkgName); 6066 if (pkg != null) { 6067 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6068 userId); 6069 } 6070 return Collections.emptyList(); 6071 } 6072 } 6073 6074 @Override 6075 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6076 String resolvedType, int flags, int userId) { 6077 return new ParceledListSlice<>( 6078 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6079 } 6080 6081 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6082 Intent intent, String resolvedType, int flags, int userId) { 6083 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6084 flags = updateFlagsForResolve(flags, userId, intent); 6085 ComponentName comp = intent.getComponent(); 6086 if (comp == null) { 6087 if (intent.getSelector() != null) { 6088 intent = intent.getSelector(); 6089 comp = intent.getComponent(); 6090 } 6091 } 6092 if (comp != null) { 6093 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6094 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6095 if (pi != null) { 6096 final ResolveInfo ri = new ResolveInfo(); 6097 ri.providerInfo = pi; 6098 list.add(ri); 6099 } 6100 return list; 6101 } 6102 6103 // reader 6104 synchronized (mPackages) { 6105 String pkgName = intent.getPackage(); 6106 if (pkgName == null) { 6107 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6108 } 6109 final PackageParser.Package pkg = mPackages.get(pkgName); 6110 if (pkg != null) { 6111 return mProviders.queryIntentForPackage( 6112 intent, resolvedType, flags, pkg.providers, userId); 6113 } 6114 return Collections.emptyList(); 6115 } 6116 } 6117 6118 @Override 6119 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6120 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6121 flags = updateFlagsForPackage(flags, userId, null); 6122 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6123 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6124 true /* requireFullPermission */, false /* checkShell */, 6125 "get installed packages"); 6126 6127 // writer 6128 synchronized (mPackages) { 6129 ArrayList<PackageInfo> list; 6130 if (listUninstalled) { 6131 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6132 for (PackageSetting ps : mSettings.mPackages.values()) { 6133 final PackageInfo pi; 6134 if (ps.pkg != null) { 6135 pi = generatePackageInfo(ps, flags, userId); 6136 } else { 6137 pi = generatePackageInfo(ps, flags, userId); 6138 } 6139 if (pi != null) { 6140 list.add(pi); 6141 } 6142 } 6143 } else { 6144 list = new ArrayList<PackageInfo>(mPackages.size()); 6145 for (PackageParser.Package p : mPackages.values()) { 6146 final PackageInfo pi = 6147 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6148 if (pi != null) { 6149 list.add(pi); 6150 } 6151 } 6152 } 6153 6154 return new ParceledListSlice<PackageInfo>(list); 6155 } 6156 } 6157 6158 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6159 String[] permissions, boolean[] tmp, int flags, int userId) { 6160 int numMatch = 0; 6161 final PermissionsState permissionsState = ps.getPermissionsState(); 6162 for (int i=0; i<permissions.length; i++) { 6163 final String permission = permissions[i]; 6164 if (permissionsState.hasPermission(permission, userId)) { 6165 tmp[i] = true; 6166 numMatch++; 6167 } else { 6168 tmp[i] = false; 6169 } 6170 } 6171 if (numMatch == 0) { 6172 return; 6173 } 6174 final PackageInfo pi; 6175 if (ps.pkg != null) { 6176 pi = generatePackageInfo(ps, flags, userId); 6177 } else { 6178 pi = generatePackageInfo(ps, flags, userId); 6179 } 6180 // The above might return null in cases of uninstalled apps or install-state 6181 // skew across users/profiles. 6182 if (pi != null) { 6183 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6184 if (numMatch == permissions.length) { 6185 pi.requestedPermissions = permissions; 6186 } else { 6187 pi.requestedPermissions = new String[numMatch]; 6188 numMatch = 0; 6189 for (int i=0; i<permissions.length; i++) { 6190 if (tmp[i]) { 6191 pi.requestedPermissions[numMatch] = permissions[i]; 6192 numMatch++; 6193 } 6194 } 6195 } 6196 } 6197 list.add(pi); 6198 } 6199 } 6200 6201 @Override 6202 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6203 String[] permissions, int flags, int userId) { 6204 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6205 flags = updateFlagsForPackage(flags, userId, permissions); 6206 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6207 6208 // writer 6209 synchronized (mPackages) { 6210 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6211 boolean[] tmpBools = new boolean[permissions.length]; 6212 if (listUninstalled) { 6213 for (PackageSetting ps : mSettings.mPackages.values()) { 6214 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6215 } 6216 } else { 6217 for (PackageParser.Package pkg : mPackages.values()) { 6218 PackageSetting ps = (PackageSetting)pkg.mExtras; 6219 if (ps != null) { 6220 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6221 userId); 6222 } 6223 } 6224 } 6225 6226 return new ParceledListSlice<PackageInfo>(list); 6227 } 6228 } 6229 6230 @Override 6231 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6232 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6233 flags = updateFlagsForApplication(flags, userId, null); 6234 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6235 6236 // writer 6237 synchronized (mPackages) { 6238 ArrayList<ApplicationInfo> list; 6239 if (listUninstalled) { 6240 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6241 for (PackageSetting ps : mSettings.mPackages.values()) { 6242 ApplicationInfo ai; 6243 if (ps.pkg != null) { 6244 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6245 ps.readUserState(userId), userId); 6246 } else { 6247 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6248 } 6249 if (ai != null) { 6250 list.add(ai); 6251 } 6252 } 6253 } else { 6254 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6255 for (PackageParser.Package p : mPackages.values()) { 6256 if (p.mExtras != null) { 6257 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6258 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6259 if (ai != null) { 6260 list.add(ai); 6261 } 6262 } 6263 } 6264 } 6265 6266 return new ParceledListSlice<ApplicationInfo>(list); 6267 } 6268 } 6269 6270 @Override 6271 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6272 if (DISABLE_EPHEMERAL_APPS) { 6273 return null; 6274 } 6275 6276 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6277 "getEphemeralApplications"); 6278 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6279 true /* requireFullPermission */, false /* checkShell */, 6280 "getEphemeralApplications"); 6281 synchronized (mPackages) { 6282 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6283 .getEphemeralApplicationsLPw(userId); 6284 if (ephemeralApps != null) { 6285 return new ParceledListSlice<>(ephemeralApps); 6286 } 6287 } 6288 return null; 6289 } 6290 6291 @Override 6292 public boolean isEphemeralApplication(String packageName, int userId) { 6293 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6294 true /* requireFullPermission */, false /* checkShell */, 6295 "isEphemeral"); 6296 if (DISABLE_EPHEMERAL_APPS) { 6297 return false; 6298 } 6299 6300 if (!isCallerSameApp(packageName)) { 6301 return false; 6302 } 6303 synchronized (mPackages) { 6304 PackageParser.Package pkg = mPackages.get(packageName); 6305 if (pkg != null) { 6306 return pkg.applicationInfo.isEphemeralApp(); 6307 } 6308 } 6309 return false; 6310 } 6311 6312 @Override 6313 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6314 if (DISABLE_EPHEMERAL_APPS) { 6315 return null; 6316 } 6317 6318 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6319 true /* requireFullPermission */, false /* checkShell */, 6320 "getCookie"); 6321 if (!isCallerSameApp(packageName)) { 6322 return null; 6323 } 6324 synchronized (mPackages) { 6325 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6326 packageName, userId); 6327 } 6328 } 6329 6330 @Override 6331 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6332 if (DISABLE_EPHEMERAL_APPS) { 6333 return true; 6334 } 6335 6336 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6337 true /* requireFullPermission */, true /* checkShell */, 6338 "setCookie"); 6339 if (!isCallerSameApp(packageName)) { 6340 return false; 6341 } 6342 synchronized (mPackages) { 6343 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6344 packageName, cookie, userId); 6345 } 6346 } 6347 6348 @Override 6349 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6350 if (DISABLE_EPHEMERAL_APPS) { 6351 return null; 6352 } 6353 6354 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6355 "getEphemeralApplicationIcon"); 6356 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6357 true /* requireFullPermission */, false /* checkShell */, 6358 "getEphemeralApplicationIcon"); 6359 synchronized (mPackages) { 6360 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6361 packageName, userId); 6362 } 6363 } 6364 6365 private boolean isCallerSameApp(String packageName) { 6366 PackageParser.Package pkg = mPackages.get(packageName); 6367 return pkg != null 6368 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6369 } 6370 6371 @Override 6372 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6373 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6374 } 6375 6376 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6377 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6378 6379 // reader 6380 synchronized (mPackages) { 6381 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6382 final int userId = UserHandle.getCallingUserId(); 6383 while (i.hasNext()) { 6384 final PackageParser.Package p = i.next(); 6385 if (p.applicationInfo == null) continue; 6386 6387 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6388 && !p.applicationInfo.isDirectBootAware(); 6389 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6390 && p.applicationInfo.isDirectBootAware(); 6391 6392 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6393 && (!mSafeMode || isSystemApp(p)) 6394 && (matchesUnaware || matchesAware)) { 6395 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6396 if (ps != null) { 6397 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6398 ps.readUserState(userId), userId); 6399 if (ai != null) { 6400 finalList.add(ai); 6401 } 6402 } 6403 } 6404 } 6405 } 6406 6407 return finalList; 6408 } 6409 6410 @Override 6411 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6412 if (!sUserManager.exists(userId)) return null; 6413 flags = updateFlagsForComponent(flags, userId, name); 6414 // reader 6415 synchronized (mPackages) { 6416 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6417 PackageSetting ps = provider != null 6418 ? mSettings.mPackages.get(provider.owner.packageName) 6419 : null; 6420 return ps != null 6421 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6422 ? PackageParser.generateProviderInfo(provider, flags, 6423 ps.readUserState(userId), userId) 6424 : null; 6425 } 6426 } 6427 6428 /** 6429 * @deprecated 6430 */ 6431 @Deprecated 6432 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6433 // reader 6434 synchronized (mPackages) { 6435 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6436 .entrySet().iterator(); 6437 final int userId = UserHandle.getCallingUserId(); 6438 while (i.hasNext()) { 6439 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6440 PackageParser.Provider p = entry.getValue(); 6441 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6442 6443 if (ps != null && p.syncable 6444 && (!mSafeMode || (p.info.applicationInfo.flags 6445 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6446 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6447 ps.readUserState(userId), userId); 6448 if (info != null) { 6449 outNames.add(entry.getKey()); 6450 outInfo.add(info); 6451 } 6452 } 6453 } 6454 } 6455 } 6456 6457 @Override 6458 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6459 int uid, int flags) { 6460 final int userId = processName != null ? UserHandle.getUserId(uid) 6461 : UserHandle.getCallingUserId(); 6462 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6463 flags = updateFlagsForComponent(flags, userId, processName); 6464 6465 ArrayList<ProviderInfo> finalList = null; 6466 // reader 6467 synchronized (mPackages) { 6468 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6469 while (i.hasNext()) { 6470 final PackageParser.Provider p = i.next(); 6471 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6472 if (ps != null && p.info.authority != null 6473 && (processName == null 6474 || (p.info.processName.equals(processName) 6475 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6476 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6477 if (finalList == null) { 6478 finalList = new ArrayList<ProviderInfo>(3); 6479 } 6480 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6481 ps.readUserState(userId), userId); 6482 if (info != null) { 6483 finalList.add(info); 6484 } 6485 } 6486 } 6487 } 6488 6489 if (finalList != null) { 6490 Collections.sort(finalList, mProviderInitOrderSorter); 6491 return new ParceledListSlice<ProviderInfo>(finalList); 6492 } 6493 6494 return ParceledListSlice.emptyList(); 6495 } 6496 6497 @Override 6498 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6499 // reader 6500 synchronized (mPackages) { 6501 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6502 return PackageParser.generateInstrumentationInfo(i, flags); 6503 } 6504 } 6505 6506 @Override 6507 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6508 String targetPackage, int flags) { 6509 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6510 } 6511 6512 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6513 int flags) { 6514 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6515 6516 // reader 6517 synchronized (mPackages) { 6518 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6519 while (i.hasNext()) { 6520 final PackageParser.Instrumentation p = i.next(); 6521 if (targetPackage == null 6522 || targetPackage.equals(p.info.targetPackage)) { 6523 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6524 flags); 6525 if (ii != null) { 6526 finalList.add(ii); 6527 } 6528 } 6529 } 6530 } 6531 6532 return finalList; 6533 } 6534 6535 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6536 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6537 if (overlays == null) { 6538 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6539 return; 6540 } 6541 for (PackageParser.Package opkg : overlays.values()) { 6542 // Not much to do if idmap fails: we already logged the error 6543 // and we certainly don't want to abort installation of pkg simply 6544 // because an overlay didn't fit properly. For these reasons, 6545 // ignore the return value of createIdmapForPackagePairLI. 6546 createIdmapForPackagePairLI(pkg, opkg); 6547 } 6548 } 6549 6550 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6551 PackageParser.Package opkg) { 6552 if (!opkg.mTrustedOverlay) { 6553 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6554 opkg.baseCodePath + ": overlay not trusted"); 6555 return false; 6556 } 6557 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6558 if (overlaySet == null) { 6559 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6560 opkg.baseCodePath + " but target package has no known overlays"); 6561 return false; 6562 } 6563 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6564 // TODO: generate idmap for split APKs 6565 try { 6566 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6567 } catch (InstallerException e) { 6568 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6569 + opkg.baseCodePath); 6570 return false; 6571 } 6572 PackageParser.Package[] overlayArray = 6573 overlaySet.values().toArray(new PackageParser.Package[0]); 6574 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6575 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6576 return p1.mOverlayPriority - p2.mOverlayPriority; 6577 } 6578 }; 6579 Arrays.sort(overlayArray, cmp); 6580 6581 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6582 int i = 0; 6583 for (PackageParser.Package p : overlayArray) { 6584 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6585 } 6586 return true; 6587 } 6588 6589 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6590 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6591 try { 6592 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6593 } finally { 6594 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6595 } 6596 } 6597 6598 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6599 final File[] files = dir.listFiles(); 6600 if (ArrayUtils.isEmpty(files)) { 6601 Log.d(TAG, "No files in app dir " + dir); 6602 return; 6603 } 6604 6605 if (DEBUG_PACKAGE_SCANNING) { 6606 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6607 + " flags=0x" + Integer.toHexString(parseFlags)); 6608 } 6609 6610 for (File file : files) { 6611 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6612 && !PackageInstallerService.isStageName(file.getName()); 6613 if (!isPackage) { 6614 // Ignore entries which are not packages 6615 continue; 6616 } 6617 try { 6618 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6619 scanFlags, currentTime, null); 6620 } catch (PackageManagerException e) { 6621 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6622 6623 // Delete invalid userdata apps 6624 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6625 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6626 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6627 removeCodePathLI(file); 6628 } 6629 } 6630 } 6631 } 6632 6633 private static File getSettingsProblemFile() { 6634 File dataDir = Environment.getDataDirectory(); 6635 File systemDir = new File(dataDir, "system"); 6636 File fname = new File(systemDir, "uiderrors.txt"); 6637 return fname; 6638 } 6639 6640 static void reportSettingsProblem(int priority, String msg) { 6641 logCriticalInfo(priority, msg); 6642 } 6643 6644 static void logCriticalInfo(int priority, String msg) { 6645 Slog.println(priority, TAG, msg); 6646 EventLogTags.writePmCriticalInfo(msg); 6647 try { 6648 File fname = getSettingsProblemFile(); 6649 FileOutputStream out = new FileOutputStream(fname, true); 6650 PrintWriter pw = new FastPrintWriter(out); 6651 SimpleDateFormat formatter = new SimpleDateFormat(); 6652 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6653 pw.println(dateString + ": " + msg); 6654 pw.close(); 6655 FileUtils.setPermissions( 6656 fname.toString(), 6657 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6658 -1, -1); 6659 } catch (java.io.IOException e) { 6660 } 6661 } 6662 6663 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6664 final int policyFlags) throws PackageManagerException { 6665 if (ps != null 6666 && ps.codePath.equals(srcFile) 6667 && ps.timeStamp == srcFile.lastModified() 6668 && !isCompatSignatureUpdateNeeded(pkg) 6669 && !isRecoverSignatureUpdateNeeded(pkg)) { 6670 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6671 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6672 ArraySet<PublicKey> signingKs; 6673 synchronized (mPackages) { 6674 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6675 } 6676 if (ps.signatures.mSignatures != null 6677 && ps.signatures.mSignatures.length != 0 6678 && signingKs != null) { 6679 // Optimization: reuse the existing cached certificates 6680 // if the package appears to be unchanged. 6681 pkg.mSignatures = ps.signatures.mSignatures; 6682 pkg.mSigningKeys = signingKs; 6683 return; 6684 } 6685 6686 Slog.w(TAG, "PackageSetting for " + ps.name 6687 + " is missing signatures. Collecting certs again to recover them."); 6688 } else { 6689 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6690 } 6691 6692 try { 6693 PackageParser.collectCertificates(pkg, policyFlags); 6694 } catch (PackageParserException e) { 6695 throw PackageManagerException.from(e); 6696 } 6697 } 6698 6699 /** 6700 * Traces a package scan. 6701 * @see #scanPackageLI(File, int, int, long, UserHandle) 6702 */ 6703 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6704 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6705 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6706 try { 6707 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6708 } finally { 6709 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6710 } 6711 } 6712 6713 /** 6714 * Scans a package and returns the newly parsed package. 6715 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6716 */ 6717 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6718 long currentTime, UserHandle user) throws PackageManagerException { 6719 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6720 PackageParser pp = new PackageParser(); 6721 pp.setSeparateProcesses(mSeparateProcesses); 6722 pp.setOnlyCoreApps(mOnlyCore); 6723 pp.setDisplayMetrics(mMetrics); 6724 6725 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6726 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6727 } 6728 6729 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6730 final PackageParser.Package pkg; 6731 try { 6732 pkg = pp.parsePackage(scanFile, parseFlags); 6733 } catch (PackageParserException e) { 6734 throw PackageManagerException.from(e); 6735 } finally { 6736 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6737 } 6738 6739 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6740 } 6741 6742 /** 6743 * Scans a package and returns the newly parsed package. 6744 * @throws PackageManagerException on a parse error. 6745 */ 6746 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6747 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6748 throws PackageManagerException { 6749 // If the package has children and this is the first dive in the function 6750 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6751 // packages (parent and children) would be successfully scanned before the 6752 // actual scan since scanning mutates internal state and we want to atomically 6753 // install the package and its children. 6754 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6755 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6756 scanFlags |= SCAN_CHECK_ONLY; 6757 } 6758 } else { 6759 scanFlags &= ~SCAN_CHECK_ONLY; 6760 } 6761 6762 // Scan the parent 6763 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6764 scanFlags, currentTime, user); 6765 6766 // Scan the children 6767 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6768 for (int i = 0; i < childCount; i++) { 6769 PackageParser.Package childPackage = pkg.childPackages.get(i); 6770 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6771 currentTime, user); 6772 } 6773 6774 6775 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6776 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6777 } 6778 6779 return scannedPkg; 6780 } 6781 6782 /** 6783 * Scans a package and returns the newly parsed package. 6784 * @throws PackageManagerException on a parse error. 6785 */ 6786 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6787 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6788 throws PackageManagerException { 6789 PackageSetting ps = null; 6790 PackageSetting updatedPkg; 6791 // reader 6792 synchronized (mPackages) { 6793 // Look to see if we already know about this package. 6794 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6795 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6796 // This package has been renamed to its original name. Let's 6797 // use that. 6798 ps = mSettings.peekPackageLPr(oldName); 6799 } 6800 // If there was no original package, see one for the real package name. 6801 if (ps == null) { 6802 ps = mSettings.peekPackageLPr(pkg.packageName); 6803 } 6804 // Check to see if this package could be hiding/updating a system 6805 // package. Must look for it either under the original or real 6806 // package name depending on our state. 6807 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6808 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6809 6810 // If this is a package we don't know about on the system partition, we 6811 // may need to remove disabled child packages on the system partition 6812 // or may need to not add child packages if the parent apk is updated 6813 // on the data partition and no longer defines this child package. 6814 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6815 // If this is a parent package for an updated system app and this system 6816 // app got an OTA update which no longer defines some of the child packages 6817 // we have to prune them from the disabled system packages. 6818 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6819 if (disabledPs != null) { 6820 final int scannedChildCount = (pkg.childPackages != null) 6821 ? pkg.childPackages.size() : 0; 6822 final int disabledChildCount = disabledPs.childPackageNames != null 6823 ? disabledPs.childPackageNames.size() : 0; 6824 for (int i = 0; i < disabledChildCount; i++) { 6825 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6826 boolean disabledPackageAvailable = false; 6827 for (int j = 0; j < scannedChildCount; j++) { 6828 PackageParser.Package childPkg = pkg.childPackages.get(j); 6829 if (childPkg.packageName.equals(disabledChildPackageName)) { 6830 disabledPackageAvailable = true; 6831 break; 6832 } 6833 } 6834 if (!disabledPackageAvailable) { 6835 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6836 } 6837 } 6838 } 6839 } 6840 } 6841 6842 boolean updatedPkgBetter = false; 6843 // First check if this is a system package that may involve an update 6844 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6845 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6846 // it needs to drop FLAG_PRIVILEGED. 6847 if (locationIsPrivileged(scanFile)) { 6848 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6849 } else { 6850 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6851 } 6852 6853 if (ps != null && !ps.codePath.equals(scanFile)) { 6854 // The path has changed from what was last scanned... check the 6855 // version of the new path against what we have stored to determine 6856 // what to do. 6857 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6858 if (pkg.mVersionCode <= ps.versionCode) { 6859 // The system package has been updated and the code path does not match 6860 // Ignore entry. Skip it. 6861 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6862 + " ignored: updated version " + ps.versionCode 6863 + " better than this " + pkg.mVersionCode); 6864 if (!updatedPkg.codePath.equals(scanFile)) { 6865 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6866 + ps.name + " changing from " + updatedPkg.codePathString 6867 + " to " + scanFile); 6868 updatedPkg.codePath = scanFile; 6869 updatedPkg.codePathString = scanFile.toString(); 6870 updatedPkg.resourcePath = scanFile; 6871 updatedPkg.resourcePathString = scanFile.toString(); 6872 } 6873 updatedPkg.pkg = pkg; 6874 updatedPkg.versionCode = pkg.mVersionCode; 6875 6876 // Update the disabled system child packages to point to the package too. 6877 final int childCount = updatedPkg.childPackageNames != null 6878 ? updatedPkg.childPackageNames.size() : 0; 6879 for (int i = 0; i < childCount; i++) { 6880 String childPackageName = updatedPkg.childPackageNames.get(i); 6881 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6882 childPackageName); 6883 if (updatedChildPkg != null) { 6884 updatedChildPkg.pkg = pkg; 6885 updatedChildPkg.versionCode = pkg.mVersionCode; 6886 } 6887 } 6888 6889 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6890 + scanFile + " ignored: updated version " + ps.versionCode 6891 + " better than this " + pkg.mVersionCode); 6892 } else { 6893 // The current app on the system partition is better than 6894 // what we have updated to on the data partition; switch 6895 // back to the system partition version. 6896 // At this point, its safely assumed that package installation for 6897 // apps in system partition will go through. If not there won't be a working 6898 // version of the app 6899 // writer 6900 synchronized (mPackages) { 6901 // Just remove the loaded entries from package lists. 6902 mPackages.remove(ps.name); 6903 } 6904 6905 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6906 + " reverting from " + ps.codePathString 6907 + ": new version " + pkg.mVersionCode 6908 + " better than installed " + ps.versionCode); 6909 6910 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6911 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6912 synchronized (mInstallLock) { 6913 args.cleanUpResourcesLI(); 6914 } 6915 synchronized (mPackages) { 6916 mSettings.enableSystemPackageLPw(ps.name); 6917 } 6918 updatedPkgBetter = true; 6919 } 6920 } 6921 } 6922 6923 if (updatedPkg != null) { 6924 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6925 // initially 6926 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6927 6928 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6929 // flag set initially 6930 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6931 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6932 } 6933 } 6934 6935 // Verify certificates against what was last scanned 6936 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6937 6938 /* 6939 * A new system app appeared, but we already had a non-system one of the 6940 * same name installed earlier. 6941 */ 6942 boolean shouldHideSystemApp = false; 6943 if (updatedPkg == null && ps != null 6944 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6945 /* 6946 * Check to make sure the signatures match first. If they don't, 6947 * wipe the installed application and its data. 6948 */ 6949 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6950 != PackageManager.SIGNATURE_MATCH) { 6951 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6952 + " signatures don't match existing userdata copy; removing"); 6953 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6954 "scanPackageInternalLI")) { 6955 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6956 } 6957 ps = null; 6958 } else { 6959 /* 6960 * If the newly-added system app is an older version than the 6961 * already installed version, hide it. It will be scanned later 6962 * and re-added like an update. 6963 */ 6964 if (pkg.mVersionCode <= ps.versionCode) { 6965 shouldHideSystemApp = true; 6966 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6967 + " but new version " + pkg.mVersionCode + " better than installed " 6968 + ps.versionCode + "; hiding system"); 6969 } else { 6970 /* 6971 * The newly found system app is a newer version that the 6972 * one previously installed. Simply remove the 6973 * already-installed application and replace it with our own 6974 * while keeping the application data. 6975 */ 6976 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6977 + " reverting from " + ps.codePathString + ": new version " 6978 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6979 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6980 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6981 synchronized (mInstallLock) { 6982 args.cleanUpResourcesLI(); 6983 } 6984 } 6985 } 6986 } 6987 6988 // The apk is forward locked (not public) if its code and resources 6989 // are kept in different files. (except for app in either system or 6990 // vendor path). 6991 // TODO grab this value from PackageSettings 6992 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6993 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6994 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6995 } 6996 } 6997 6998 // TODO: extend to support forward-locked splits 6999 String resourcePath = null; 7000 String baseResourcePath = null; 7001 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7002 if (ps != null && ps.resourcePathString != null) { 7003 resourcePath = ps.resourcePathString; 7004 baseResourcePath = ps.resourcePathString; 7005 } else { 7006 // Should not happen at all. Just log an error. 7007 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7008 } 7009 } else { 7010 resourcePath = pkg.codePath; 7011 baseResourcePath = pkg.baseCodePath; 7012 } 7013 7014 // Set application objects path explicitly. 7015 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7016 pkg.setApplicationInfoCodePath(pkg.codePath); 7017 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7018 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7019 pkg.setApplicationInfoResourcePath(resourcePath); 7020 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7021 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7022 7023 // Note that we invoke the following method only if we are about to unpack an application 7024 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7025 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7026 7027 /* 7028 * If the system app should be overridden by a previously installed 7029 * data, hide the system app now and let the /data/app scan pick it up 7030 * again. 7031 */ 7032 if (shouldHideSystemApp) { 7033 synchronized (mPackages) { 7034 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7035 } 7036 } 7037 7038 return scannedPkg; 7039 } 7040 7041 private static String fixProcessName(String defProcessName, 7042 String processName, int uid) { 7043 if (processName == null) { 7044 return defProcessName; 7045 } 7046 return processName; 7047 } 7048 7049 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7050 throws PackageManagerException { 7051 if (pkgSetting.signatures.mSignatures != null) { 7052 // Already existing package. Make sure signatures match 7053 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7054 == PackageManager.SIGNATURE_MATCH; 7055 if (!match) { 7056 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7057 == PackageManager.SIGNATURE_MATCH; 7058 } 7059 if (!match) { 7060 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7061 == PackageManager.SIGNATURE_MATCH; 7062 } 7063 if (!match) { 7064 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7065 + pkg.packageName + " signatures do not match the " 7066 + "previously installed version; ignoring!"); 7067 } 7068 } 7069 7070 // Check for shared user signatures 7071 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7072 // Already existing package. Make sure signatures match 7073 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7074 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7075 if (!match) { 7076 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7077 == PackageManager.SIGNATURE_MATCH; 7078 } 7079 if (!match) { 7080 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7081 == PackageManager.SIGNATURE_MATCH; 7082 } 7083 if (!match) { 7084 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7085 "Package " + pkg.packageName 7086 + " has no signatures that match those in shared user " 7087 + pkgSetting.sharedUser.name + "; ignoring!"); 7088 } 7089 } 7090 } 7091 7092 /** 7093 * Enforces that only the system UID or root's UID can call a method exposed 7094 * via Binder. 7095 * 7096 * @param message used as message if SecurityException is thrown 7097 * @throws SecurityException if the caller is not system or root 7098 */ 7099 private static final void enforceSystemOrRoot(String message) { 7100 final int uid = Binder.getCallingUid(); 7101 if (uid != Process.SYSTEM_UID && uid != 0) { 7102 throw new SecurityException(message); 7103 } 7104 } 7105 7106 @Override 7107 public void performFstrimIfNeeded() { 7108 enforceSystemOrRoot("Only the system can request fstrim"); 7109 7110 // Before everything else, see whether we need to fstrim. 7111 try { 7112 IMountService ms = PackageHelper.getMountService(); 7113 if (ms != null) { 7114 final boolean isUpgrade = isUpgrade(); 7115 boolean doTrim = isUpgrade; 7116 if (doTrim) { 7117 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7118 } else { 7119 final long interval = android.provider.Settings.Global.getLong( 7120 mContext.getContentResolver(), 7121 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7122 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7123 if (interval > 0) { 7124 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7125 if (timeSinceLast > interval) { 7126 doTrim = true; 7127 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7128 + "; running immediately"); 7129 } 7130 } 7131 } 7132 if (doTrim) { 7133 if (!isFirstBoot()) { 7134 try { 7135 ActivityManagerNative.getDefault().showBootMessage( 7136 mContext.getResources().getString( 7137 R.string.android_upgrading_fstrim), true); 7138 } catch (RemoteException e) { 7139 } 7140 } 7141 ms.runMaintenance(); 7142 } 7143 } else { 7144 Slog.e(TAG, "Mount service unavailable!"); 7145 } 7146 } catch (RemoteException e) { 7147 // Can't happen; MountService is local 7148 } 7149 } 7150 7151 @Override 7152 public void updatePackagesIfNeeded() { 7153 enforceSystemOrRoot("Only the system can request package update"); 7154 7155 // We need to re-extract after an OTA. 7156 boolean causeUpgrade = isUpgrade(); 7157 7158 // First boot or factory reset. 7159 // Note: we also handle devices that are upgrading to N right now as if it is their 7160 // first boot, as they do not have profile data. 7161 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7162 7163 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7164 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7165 7166 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7167 return; 7168 } 7169 7170 List<PackageParser.Package> pkgs; 7171 synchronized (mPackages) { 7172 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7173 } 7174 7175 int numberOfPackagesVisited = 0; 7176 int numberOfPackagesOptimized = 0; 7177 int numberOfPackagesSkipped = 0; 7178 int numberOfPackagesFailed = 0; 7179 final int numberOfPackagesToDexopt = pkgs.size(); 7180 final long startTime = System.nanoTime(); 7181 7182 for (PackageParser.Package pkg : pkgs) { 7183 numberOfPackagesVisited++; 7184 7185 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7186 if (DEBUG_DEXOPT) { 7187 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7188 } 7189 numberOfPackagesSkipped++; 7190 continue; 7191 } 7192 7193 if (DEBUG_DEXOPT) { 7194 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7195 numberOfPackagesToDexopt + ": " + pkg.packageName); 7196 } 7197 7198 if (mIsPreNUpgrade) { 7199 try { 7200 ActivityManagerNative.getDefault().showBootMessage( 7201 mContext.getResources().getString(R.string.android_upgrading_apk, 7202 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7203 } catch (RemoteException e) { 7204 } 7205 } 7206 7207 // checkProfiles is false to avoid merging profiles during boot which 7208 // might interfere with background compilation (b/28612421). 7209 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7210 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7211 // trade-off worth doing to save boot time work. 7212 int dexOptStatus = performDexOptTraced(pkg.packageName, 7213 null /* instructionSet */, 7214 false /* checkProfiles */, 7215 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT), 7216 false /* force */); 7217 switch (dexOptStatus) { 7218 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7219 numberOfPackagesOptimized++; 7220 break; 7221 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7222 numberOfPackagesSkipped++; 7223 break; 7224 case PackageDexOptimizer.DEX_OPT_FAILED: 7225 numberOfPackagesFailed++; 7226 break; 7227 default: 7228 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7229 break; 7230 } 7231 } 7232 7233 final int elapsedTimeSeconds = 7234 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7235 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", numberOfPackagesOptimized); 7236 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", numberOfPackagesSkipped); 7237 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", numberOfPackagesFailed); 7238 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7239 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7240 } 7241 7242 @Override 7243 public void notifyPackageUse(String packageName, int reason) { 7244 synchronized (mPackages) { 7245 PackageParser.Package p = mPackages.get(packageName); 7246 if (p == null) { 7247 return; 7248 } 7249 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7250 } 7251 } 7252 7253 // TODO: this is not used nor needed. Delete it. 7254 @Override 7255 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 7256 int dexOptStatus = performDexOptTraced(packageName, instructionSet, 7257 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7258 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7259 } 7260 7261 @Override 7262 public boolean performDexOpt(String packageName, String instructionSet, 7263 boolean checkProfiles, int compileReason, boolean force) { 7264 int dexOptStatus = performDexOptTraced(packageName, instructionSet, checkProfiles, 7265 getCompilerFilterForReason(compileReason), force); 7266 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7267 } 7268 7269 @Override 7270 public boolean performDexOptMode(String packageName, String instructionSet, 7271 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7272 int dexOptStatus = performDexOptTraced(packageName, instructionSet, checkProfiles, 7273 targetCompilerFilter, force); 7274 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7275 } 7276 7277 private int performDexOptTraced(String packageName, String instructionSet, 7278 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7279 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7280 try { 7281 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7282 targetCompilerFilter, force); 7283 } finally { 7284 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7285 } 7286 } 7287 7288 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7289 // if the package can now be considered up to date for the given filter. 7290 private int performDexOptInternal(String packageName, String instructionSet, 7291 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7292 PackageParser.Package p; 7293 final String targetInstructionSet; 7294 synchronized (mPackages) { 7295 p = mPackages.get(packageName); 7296 if (p == null) { 7297 // Package could not be found. Report failure. 7298 return PackageDexOptimizer.DEX_OPT_FAILED; 7299 } 7300 mPackageUsage.write(false); 7301 7302 targetInstructionSet = instructionSet != null ? instructionSet : 7303 getPrimaryInstructionSet(p.applicationInfo); 7304 } 7305 long callingId = Binder.clearCallingIdentity(); 7306 try { 7307 synchronized (mInstallLock) { 7308 final String[] instructionSets = new String[] { targetInstructionSet }; 7309 return performDexOptInternalWithDependenciesLI(p, instructionSets, checkProfiles, 7310 targetCompilerFilter, force); 7311 } 7312 } finally { 7313 Binder.restoreCallingIdentity(callingId); 7314 } 7315 } 7316 7317 public ArraySet<String> getOptimizablePackages() { 7318 ArraySet<String> pkgs = new ArraySet<String>(); 7319 synchronized (mPackages) { 7320 for (PackageParser.Package p : mPackages.values()) { 7321 if (PackageDexOptimizer.canOptimizePackage(p)) { 7322 pkgs.add(p.packageName); 7323 } 7324 } 7325 } 7326 return pkgs; 7327 } 7328 7329 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7330 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7331 boolean force) { 7332 // Select the dex optimizer based on the force parameter. 7333 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7334 // allocate an object here. 7335 PackageDexOptimizer pdo = force 7336 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7337 : mPackageDexOptimizer; 7338 7339 // Optimize all dependencies first. Note: we ignore the return value and march on 7340 // on errors. 7341 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7342 if (!deps.isEmpty()) { 7343 for (PackageParser.Package depPackage : deps) { 7344 // TODO: Analyze and investigate if we (should) profile libraries. 7345 // Currently this will do a full compilation of the library by default. 7346 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7347 false /* checkProfiles */, 7348 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7349 } 7350 } 7351 7352 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7353 targetCompilerFilter); 7354 } 7355 7356 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7357 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7358 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7359 Set<String> collectedNames = new HashSet<>(); 7360 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7361 7362 retValue.remove(p); 7363 7364 return retValue; 7365 } else { 7366 return Collections.emptyList(); 7367 } 7368 } 7369 7370 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7371 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7372 if (!collectedNames.contains(p.packageName)) { 7373 collectedNames.add(p.packageName); 7374 collected.add(p); 7375 7376 if (p.usesLibraries != null) { 7377 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7378 } 7379 if (p.usesOptionalLibraries != null) { 7380 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7381 collectedNames); 7382 } 7383 } 7384 } 7385 7386 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7387 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7388 for (String libName : libs) { 7389 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7390 if (libPkg != null) { 7391 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7392 } 7393 } 7394 } 7395 7396 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7397 synchronized (mPackages) { 7398 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7399 if (lib != null && lib.apk != null) { 7400 return mPackages.get(lib.apk); 7401 } 7402 } 7403 return null; 7404 } 7405 7406 public void shutdown() { 7407 mPackageUsage.write(true); 7408 } 7409 7410 @Override 7411 public void forceDexOpt(String packageName) { 7412 enforceSystemOrRoot("forceDexOpt"); 7413 7414 PackageParser.Package pkg; 7415 synchronized (mPackages) { 7416 pkg = mPackages.get(packageName); 7417 if (pkg == null) { 7418 throw new IllegalArgumentException("Unknown package: " + packageName); 7419 } 7420 } 7421 7422 synchronized (mInstallLock) { 7423 final String[] instructionSets = new String[] { 7424 getPrimaryInstructionSet(pkg.applicationInfo) }; 7425 7426 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7427 7428 // Whoever is calling forceDexOpt wants a fully compiled package. 7429 // Don't use profiles since that may cause compilation to be skipped. 7430 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7431 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7432 true /* force */); 7433 7434 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7435 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7436 throw new IllegalStateException("Failed to dexopt: " + res); 7437 } 7438 } 7439 } 7440 7441 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7442 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7443 Slog.w(TAG, "Unable to update from " + oldPkg.name 7444 + " to " + newPkg.packageName 7445 + ": old package not in system partition"); 7446 return false; 7447 } else if (mPackages.get(oldPkg.name) != null) { 7448 Slog.w(TAG, "Unable to update from " + oldPkg.name 7449 + " to " + newPkg.packageName 7450 + ": old package still exists"); 7451 return false; 7452 } 7453 return true; 7454 } 7455 7456 void removeCodePathLI(File codePath) { 7457 if (codePath.isDirectory()) { 7458 try { 7459 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7460 } catch (InstallerException e) { 7461 Slog.w(TAG, "Failed to remove code path", e); 7462 } 7463 } else { 7464 codePath.delete(); 7465 } 7466 } 7467 7468 private int[] resolveUserIds(int userId) { 7469 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7470 } 7471 7472 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7473 if (pkg == null) { 7474 Slog.wtf(TAG, "Package was null!", new Throwable()); 7475 return; 7476 } 7477 clearAppDataLeafLIF(pkg, userId, flags); 7478 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7479 for (int i = 0; i < childCount; i++) { 7480 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7481 } 7482 } 7483 7484 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7485 final PackageSetting ps; 7486 synchronized (mPackages) { 7487 ps = mSettings.mPackages.get(pkg.packageName); 7488 } 7489 for (int realUserId : resolveUserIds(userId)) { 7490 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7491 try { 7492 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7493 ceDataInode); 7494 } catch (InstallerException e) { 7495 Slog.w(TAG, String.valueOf(e)); 7496 } 7497 } 7498 } 7499 7500 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7501 if (pkg == null) { 7502 Slog.wtf(TAG, "Package was null!", new Throwable()); 7503 return; 7504 } 7505 destroyAppDataLeafLIF(pkg, userId, flags); 7506 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7507 for (int i = 0; i < childCount; i++) { 7508 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7509 } 7510 } 7511 7512 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7513 final PackageSetting ps; 7514 synchronized (mPackages) { 7515 ps = mSettings.mPackages.get(pkg.packageName); 7516 } 7517 for (int realUserId : resolveUserIds(userId)) { 7518 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7519 try { 7520 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7521 ceDataInode); 7522 } catch (InstallerException e) { 7523 Slog.w(TAG, String.valueOf(e)); 7524 } 7525 } 7526 } 7527 7528 private void destroyAppProfilesLIF(PackageParser.Package pkg) { 7529 if (pkg == null) { 7530 Slog.wtf(TAG, "Package was null!", new Throwable()); 7531 return; 7532 } 7533 destroyAppProfilesLeafLIF(pkg); 7534 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7535 for (int i = 0; i < childCount; i++) { 7536 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7537 } 7538 } 7539 7540 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7541 try { 7542 mInstaller.destroyAppProfiles(pkg.packageName); 7543 } catch (InstallerException e) { 7544 Slog.w(TAG, String.valueOf(e)); 7545 } 7546 } 7547 7548 private void clearAppProfilesLIF(PackageParser.Package pkg) { 7549 if (pkg == null) { 7550 Slog.wtf(TAG, "Package was null!", new Throwable()); 7551 return; 7552 } 7553 clearAppProfilesLeafLIF(pkg); 7554 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7555 for (int i = 0; i < childCount; i++) { 7556 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7557 } 7558 } 7559 7560 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7561 try { 7562 mInstaller.clearAppProfiles(pkg.packageName); 7563 } catch (InstallerException e) { 7564 Slog.w(TAG, String.valueOf(e)); 7565 } 7566 } 7567 7568 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7569 long lastUpdateTime) { 7570 // Set parent install/update time 7571 PackageSetting ps = (PackageSetting) pkg.mExtras; 7572 if (ps != null) { 7573 ps.firstInstallTime = firstInstallTime; 7574 ps.lastUpdateTime = lastUpdateTime; 7575 } 7576 // Set children install/update time 7577 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7578 for (int i = 0; i < childCount; i++) { 7579 PackageParser.Package childPkg = pkg.childPackages.get(i); 7580 ps = (PackageSetting) childPkg.mExtras; 7581 if (ps != null) { 7582 ps.firstInstallTime = firstInstallTime; 7583 ps.lastUpdateTime = lastUpdateTime; 7584 } 7585 } 7586 } 7587 7588 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7589 PackageParser.Package changingLib) { 7590 if (file.path != null) { 7591 usesLibraryFiles.add(file.path); 7592 return; 7593 } 7594 PackageParser.Package p = mPackages.get(file.apk); 7595 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7596 // If we are doing this while in the middle of updating a library apk, 7597 // then we need to make sure to use that new apk for determining the 7598 // dependencies here. (We haven't yet finished committing the new apk 7599 // to the package manager state.) 7600 if (p == null || p.packageName.equals(changingLib.packageName)) { 7601 p = changingLib; 7602 } 7603 } 7604 if (p != null) { 7605 usesLibraryFiles.addAll(p.getAllCodePaths()); 7606 } 7607 } 7608 7609 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7610 PackageParser.Package changingLib) throws PackageManagerException { 7611 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7612 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7613 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7614 for (int i=0; i<N; i++) { 7615 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7616 if (file == null) { 7617 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7618 "Package " + pkg.packageName + " requires unavailable shared library " 7619 + pkg.usesLibraries.get(i) + "; failing!"); 7620 } 7621 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7622 } 7623 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7624 for (int i=0; i<N; i++) { 7625 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7626 if (file == null) { 7627 Slog.w(TAG, "Package " + pkg.packageName 7628 + " desires unavailable shared library " 7629 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7630 } else { 7631 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7632 } 7633 } 7634 N = usesLibraryFiles.size(); 7635 if (N > 0) { 7636 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7637 } else { 7638 pkg.usesLibraryFiles = null; 7639 } 7640 } 7641 } 7642 7643 private static boolean hasString(List<String> list, List<String> which) { 7644 if (list == null) { 7645 return false; 7646 } 7647 for (int i=list.size()-1; i>=0; i--) { 7648 for (int j=which.size()-1; j>=0; j--) { 7649 if (which.get(j).equals(list.get(i))) { 7650 return true; 7651 } 7652 } 7653 } 7654 return false; 7655 } 7656 7657 private void updateAllSharedLibrariesLPw() { 7658 for (PackageParser.Package pkg : mPackages.values()) { 7659 try { 7660 updateSharedLibrariesLPw(pkg, null); 7661 } catch (PackageManagerException e) { 7662 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7663 } 7664 } 7665 } 7666 7667 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7668 PackageParser.Package changingPkg) { 7669 ArrayList<PackageParser.Package> res = null; 7670 for (PackageParser.Package pkg : mPackages.values()) { 7671 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7672 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7673 if (res == null) { 7674 res = new ArrayList<PackageParser.Package>(); 7675 } 7676 res.add(pkg); 7677 try { 7678 updateSharedLibrariesLPw(pkg, changingPkg); 7679 } catch (PackageManagerException e) { 7680 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7681 } 7682 } 7683 } 7684 return res; 7685 } 7686 7687 /** 7688 * Derive the value of the {@code cpuAbiOverride} based on the provided 7689 * value and an optional stored value from the package settings. 7690 */ 7691 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7692 String cpuAbiOverride = null; 7693 7694 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7695 cpuAbiOverride = null; 7696 } else if (abiOverride != null) { 7697 cpuAbiOverride = abiOverride; 7698 } else if (settings != null) { 7699 cpuAbiOverride = settings.cpuAbiOverrideString; 7700 } 7701 7702 return cpuAbiOverride; 7703 } 7704 7705 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7706 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7707 throws PackageManagerException { 7708 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7709 // If the package has children and this is the first dive in the function 7710 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7711 // whether all packages (parent and children) would be successfully scanned 7712 // before the actual scan since scanning mutates internal state and we want 7713 // to atomically install the package and its children. 7714 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7715 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7716 scanFlags |= SCAN_CHECK_ONLY; 7717 } 7718 } else { 7719 scanFlags &= ~SCAN_CHECK_ONLY; 7720 } 7721 7722 final PackageParser.Package scannedPkg; 7723 try { 7724 // Scan the parent 7725 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7726 // Scan the children 7727 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7728 for (int i = 0; i < childCount; i++) { 7729 PackageParser.Package childPkg = pkg.childPackages.get(i); 7730 scanPackageLI(childPkg, policyFlags, 7731 scanFlags, currentTime, user); 7732 } 7733 } finally { 7734 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7735 } 7736 7737 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7738 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7739 } 7740 7741 return scannedPkg; 7742 } 7743 7744 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7745 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7746 boolean success = false; 7747 try { 7748 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7749 currentTime, user); 7750 success = true; 7751 return res; 7752 } finally { 7753 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7754 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7755 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7756 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7757 destroyAppProfilesLIF(pkg); 7758 } 7759 } 7760 } 7761 7762 /** 7763 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7764 */ 7765 private static boolean apkHasCode(String fileName) { 7766 StrictJarFile jarFile = null; 7767 try { 7768 jarFile = new StrictJarFile(fileName, 7769 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7770 return jarFile.findEntry("classes.dex") != null; 7771 } catch (IOException ignore) { 7772 } finally { 7773 try { 7774 jarFile.close(); 7775 } catch (IOException ignore) {} 7776 } 7777 return false; 7778 } 7779 7780 /** 7781 * Enforces code policy for the package. This ensures that if an APK has 7782 * declared hasCode="true" in its manifest that the APK actually contains 7783 * code. 7784 * 7785 * @throws PackageManagerException If bytecode could not be found when it should exist 7786 */ 7787 private static void enforceCodePolicy(PackageParser.Package pkg) 7788 throws PackageManagerException { 7789 final boolean shouldHaveCode = 7790 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7791 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7792 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7793 "Package " + pkg.baseCodePath + " code is missing"); 7794 } 7795 7796 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7797 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7798 final boolean splitShouldHaveCode = 7799 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7800 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7801 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7802 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7803 } 7804 } 7805 } 7806 } 7807 7808 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7809 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7810 throws PackageManagerException { 7811 final File scanFile = new File(pkg.codePath); 7812 if (pkg.applicationInfo.getCodePath() == null || 7813 pkg.applicationInfo.getResourcePath() == null) { 7814 // Bail out. The resource and code paths haven't been set. 7815 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7816 "Code and resource paths haven't been set correctly"); 7817 } 7818 7819 // Apply policy 7820 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7821 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7822 if (pkg.applicationInfo.isDirectBootAware()) { 7823 // we're direct boot aware; set for all components 7824 for (PackageParser.Service s : pkg.services) { 7825 s.info.encryptionAware = s.info.directBootAware = true; 7826 } 7827 for (PackageParser.Provider p : pkg.providers) { 7828 p.info.encryptionAware = p.info.directBootAware = true; 7829 } 7830 for (PackageParser.Activity a : pkg.activities) { 7831 a.info.encryptionAware = a.info.directBootAware = true; 7832 } 7833 for (PackageParser.Activity r : pkg.receivers) { 7834 r.info.encryptionAware = r.info.directBootAware = true; 7835 } 7836 } 7837 } else { 7838 // Only allow system apps to be flagged as core apps. 7839 pkg.coreApp = false; 7840 // clear flags not applicable to regular apps 7841 pkg.applicationInfo.privateFlags &= 7842 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7843 pkg.applicationInfo.privateFlags &= 7844 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7845 } 7846 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7847 7848 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7849 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7850 } 7851 7852 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7853 enforceCodePolicy(pkg); 7854 } 7855 7856 if (mCustomResolverComponentName != null && 7857 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7858 setUpCustomResolverActivity(pkg); 7859 } 7860 7861 if (pkg.packageName.equals("android")) { 7862 synchronized (mPackages) { 7863 if (mAndroidApplication != null) { 7864 Slog.w(TAG, "*************************************************"); 7865 Slog.w(TAG, "Core android package being redefined. Skipping."); 7866 Slog.w(TAG, " file=" + scanFile); 7867 Slog.w(TAG, "*************************************************"); 7868 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7869 "Core android package being redefined. Skipping."); 7870 } 7871 7872 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7873 // Set up information for our fall-back user intent resolution activity. 7874 mPlatformPackage = pkg; 7875 pkg.mVersionCode = mSdkVersion; 7876 mAndroidApplication = pkg.applicationInfo; 7877 7878 if (!mResolverReplaced) { 7879 mResolveActivity.applicationInfo = mAndroidApplication; 7880 mResolveActivity.name = ResolverActivity.class.getName(); 7881 mResolveActivity.packageName = mAndroidApplication.packageName; 7882 mResolveActivity.processName = "system:ui"; 7883 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7884 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7885 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7886 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 7887 mResolveActivity.exported = true; 7888 mResolveActivity.enabled = true; 7889 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 7890 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 7891 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 7892 | ActivityInfo.CONFIG_SCREEN_LAYOUT 7893 | ActivityInfo.CONFIG_ORIENTATION 7894 | ActivityInfo.CONFIG_KEYBOARD 7895 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 7896 mResolveInfo.activityInfo = mResolveActivity; 7897 mResolveInfo.priority = 0; 7898 mResolveInfo.preferredOrder = 0; 7899 mResolveInfo.match = 0; 7900 mResolveComponentName = new ComponentName( 7901 mAndroidApplication.packageName, mResolveActivity.name); 7902 } 7903 } 7904 } 7905 } 7906 7907 if (DEBUG_PACKAGE_SCANNING) { 7908 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7909 Log.d(TAG, "Scanning package " + pkg.packageName); 7910 } 7911 7912 synchronized (mPackages) { 7913 if (mPackages.containsKey(pkg.packageName) 7914 || mSharedLibraries.containsKey(pkg.packageName)) { 7915 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7916 "Application package " + pkg.packageName 7917 + " already installed. Skipping duplicate."); 7918 } 7919 7920 // If we're only installing presumed-existing packages, require that the 7921 // scanned APK is both already known and at the path previously established 7922 // for it. Previously unknown packages we pick up normally, but if we have an 7923 // a priori expectation about this package's install presence, enforce it. 7924 // With a singular exception for new system packages. When an OTA contains 7925 // a new system package, we allow the codepath to change from a system location 7926 // to the user-installed location. If we don't allow this change, any newer, 7927 // user-installed version of the application will be ignored. 7928 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7929 if (mExpectingBetter.containsKey(pkg.packageName)) { 7930 logCriticalInfo(Log.WARN, 7931 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7932 } else { 7933 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7934 if (known != null) { 7935 if (DEBUG_PACKAGE_SCANNING) { 7936 Log.d(TAG, "Examining " + pkg.codePath 7937 + " and requiring known paths " + known.codePathString 7938 + " & " + known.resourcePathString); 7939 } 7940 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7941 || !pkg.applicationInfo.getResourcePath().equals( 7942 known.resourcePathString)) { 7943 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7944 "Application package " + pkg.packageName 7945 + " found at " + pkg.applicationInfo.getCodePath() 7946 + " but expected at " + known.codePathString 7947 + "; ignoring."); 7948 } 7949 } 7950 } 7951 } 7952 } 7953 7954 // Initialize package source and resource directories 7955 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7956 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7957 7958 SharedUserSetting suid = null; 7959 PackageSetting pkgSetting = null; 7960 7961 if (!isSystemApp(pkg)) { 7962 // Only system apps can use these features. 7963 pkg.mOriginalPackages = null; 7964 pkg.mRealPackage = null; 7965 pkg.mAdoptPermissions = null; 7966 } 7967 7968 // Getting the package setting may have a side-effect, so if we 7969 // are only checking if scan would succeed, stash a copy of the 7970 // old setting to restore at the end. 7971 PackageSetting nonMutatedPs = null; 7972 7973 // writer 7974 synchronized (mPackages) { 7975 if (pkg.mSharedUserId != null) { 7976 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7977 if (suid == null) { 7978 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7979 "Creating application package " + pkg.packageName 7980 + " for shared user failed"); 7981 } 7982 if (DEBUG_PACKAGE_SCANNING) { 7983 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7984 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7985 + "): packages=" + suid.packages); 7986 } 7987 } 7988 7989 // Check if we are renaming from an original package name. 7990 PackageSetting origPackage = null; 7991 String realName = null; 7992 if (pkg.mOriginalPackages != null) { 7993 // This package may need to be renamed to a previously 7994 // installed name. Let's check on that... 7995 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7996 if (pkg.mOriginalPackages.contains(renamed)) { 7997 // This package had originally been installed as the 7998 // original name, and we have already taken care of 7999 // transitioning to the new one. Just update the new 8000 // one to continue using the old name. 8001 realName = pkg.mRealPackage; 8002 if (!pkg.packageName.equals(renamed)) { 8003 // Callers into this function may have already taken 8004 // care of renaming the package; only do it here if 8005 // it is not already done. 8006 pkg.setPackageName(renamed); 8007 } 8008 8009 } else { 8010 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8011 if ((origPackage = mSettings.peekPackageLPr( 8012 pkg.mOriginalPackages.get(i))) != null) { 8013 // We do have the package already installed under its 8014 // original name... should we use it? 8015 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8016 // New package is not compatible with original. 8017 origPackage = null; 8018 continue; 8019 } else if (origPackage.sharedUser != null) { 8020 // Make sure uid is compatible between packages. 8021 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8022 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8023 + " to " + pkg.packageName + ": old uid " 8024 + origPackage.sharedUser.name 8025 + " differs from " + pkg.mSharedUserId); 8026 origPackage = null; 8027 continue; 8028 } 8029 // TODO: Add case when shared user id is added [b/28144775] 8030 } else { 8031 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8032 + pkg.packageName + " to old name " + origPackage.name); 8033 } 8034 break; 8035 } 8036 } 8037 } 8038 } 8039 8040 if (mTransferedPackages.contains(pkg.packageName)) { 8041 Slog.w(TAG, "Package " + pkg.packageName 8042 + " was transferred to another, but its .apk remains"); 8043 } 8044 8045 // See comments in nonMutatedPs declaration 8046 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8047 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8048 if (foundPs != null) { 8049 nonMutatedPs = new PackageSetting(foundPs); 8050 } 8051 } 8052 8053 // Just create the setting, don't add it yet. For already existing packages 8054 // the PkgSetting exists already and doesn't have to be created. 8055 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8056 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8057 pkg.applicationInfo.primaryCpuAbi, 8058 pkg.applicationInfo.secondaryCpuAbi, 8059 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8060 user, false); 8061 if (pkgSetting == null) { 8062 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8063 "Creating application package " + pkg.packageName + " failed"); 8064 } 8065 8066 if (pkgSetting.origPackage != null) { 8067 // If we are first transitioning from an original package, 8068 // fix up the new package's name now. We need to do this after 8069 // looking up the package under its new name, so getPackageLP 8070 // can take care of fiddling things correctly. 8071 pkg.setPackageName(origPackage.name); 8072 8073 // File a report about this. 8074 String msg = "New package " + pkgSetting.realName 8075 + " renamed to replace old package " + pkgSetting.name; 8076 reportSettingsProblem(Log.WARN, msg); 8077 8078 // Make a note of it. 8079 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8080 mTransferedPackages.add(origPackage.name); 8081 } 8082 8083 // No longer need to retain this. 8084 pkgSetting.origPackage = null; 8085 } 8086 8087 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8088 // Make a note of it. 8089 mTransferedPackages.add(pkg.packageName); 8090 } 8091 8092 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8093 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8094 } 8095 8096 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8097 // Check all shared libraries and map to their actual file path. 8098 // We only do this here for apps not on a system dir, because those 8099 // are the only ones that can fail an install due to this. We 8100 // will take care of the system apps by updating all of their 8101 // library paths after the scan is done. 8102 updateSharedLibrariesLPw(pkg, null); 8103 } 8104 8105 if (mFoundPolicyFile) { 8106 SELinuxMMAC.assignSeinfoValue(pkg); 8107 } 8108 8109 pkg.applicationInfo.uid = pkgSetting.appId; 8110 pkg.mExtras = pkgSetting; 8111 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8112 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8113 // We just determined the app is signed correctly, so bring 8114 // over the latest parsed certs. 8115 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8116 } else { 8117 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8118 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8119 "Package " + pkg.packageName + " upgrade keys do not match the " 8120 + "previously installed version"); 8121 } else { 8122 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8123 String msg = "System package " + pkg.packageName 8124 + " signature changed; retaining data."; 8125 reportSettingsProblem(Log.WARN, msg); 8126 } 8127 } 8128 } else { 8129 try { 8130 verifySignaturesLP(pkgSetting, pkg); 8131 // We just determined the app is signed correctly, so bring 8132 // over the latest parsed certs. 8133 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8134 } catch (PackageManagerException e) { 8135 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8136 throw e; 8137 } 8138 // The signature has changed, but this package is in the system 8139 // image... let's recover! 8140 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8141 // However... if this package is part of a shared user, but it 8142 // doesn't match the signature of the shared user, let's fail. 8143 // What this means is that you can't change the signatures 8144 // associated with an overall shared user, which doesn't seem all 8145 // that unreasonable. 8146 if (pkgSetting.sharedUser != null) { 8147 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8148 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8149 throw new PackageManagerException( 8150 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8151 "Signature mismatch for shared user: " 8152 + pkgSetting.sharedUser); 8153 } 8154 } 8155 // File a report about this. 8156 String msg = "System package " + pkg.packageName 8157 + " signature changed; retaining data."; 8158 reportSettingsProblem(Log.WARN, msg); 8159 } 8160 } 8161 // Verify that this new package doesn't have any content providers 8162 // that conflict with existing packages. Only do this if the 8163 // package isn't already installed, since we don't want to break 8164 // things that are installed. 8165 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8166 final int N = pkg.providers.size(); 8167 int i; 8168 for (i=0; i<N; i++) { 8169 PackageParser.Provider p = pkg.providers.get(i); 8170 if (p.info.authority != null) { 8171 String names[] = p.info.authority.split(";"); 8172 for (int j = 0; j < names.length; j++) { 8173 if (mProvidersByAuthority.containsKey(names[j])) { 8174 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8175 final String otherPackageName = 8176 ((other != null && other.getComponentName() != null) ? 8177 other.getComponentName().getPackageName() : "?"); 8178 throw new PackageManagerException( 8179 INSTALL_FAILED_CONFLICTING_PROVIDER, 8180 "Can't install because provider name " + names[j] 8181 + " (in package " + pkg.applicationInfo.packageName 8182 + ") is already used by " + otherPackageName); 8183 } 8184 } 8185 } 8186 } 8187 } 8188 8189 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8190 // This package wants to adopt ownership of permissions from 8191 // another package. 8192 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8193 final String origName = pkg.mAdoptPermissions.get(i); 8194 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8195 if (orig != null) { 8196 if (verifyPackageUpdateLPr(orig, pkg)) { 8197 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8198 + pkg.packageName); 8199 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8200 } 8201 } 8202 } 8203 } 8204 } 8205 8206 final String pkgName = pkg.packageName; 8207 8208 final long scanFileTime = scanFile.lastModified(); 8209 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8210 pkg.applicationInfo.processName = fixProcessName( 8211 pkg.applicationInfo.packageName, 8212 pkg.applicationInfo.processName, 8213 pkg.applicationInfo.uid); 8214 8215 if (pkg != mPlatformPackage) { 8216 // Get all of our default paths setup 8217 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8218 } 8219 8220 final String path = scanFile.getPath(); 8221 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8222 8223 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8224 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8225 8226 // Some system apps still use directory structure for native libraries 8227 // in which case we might end up not detecting abi solely based on apk 8228 // structure. Try to detect abi based on directory structure. 8229 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8230 pkg.applicationInfo.primaryCpuAbi == null) { 8231 setBundledAppAbisAndRoots(pkg, pkgSetting); 8232 setNativeLibraryPaths(pkg); 8233 } 8234 8235 } else { 8236 if ((scanFlags & SCAN_MOVE) != 0) { 8237 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8238 // but we already have this packages package info in the PackageSetting. We just 8239 // use that and derive the native library path based on the new codepath. 8240 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8241 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8242 } 8243 8244 // Set native library paths again. For moves, the path will be updated based on the 8245 // ABIs we've determined above. For non-moves, the path will be updated based on the 8246 // ABIs we determined during compilation, but the path will depend on the final 8247 // package path (after the rename away from the stage path). 8248 setNativeLibraryPaths(pkg); 8249 } 8250 8251 // This is a special case for the "system" package, where the ABI is 8252 // dictated by the zygote configuration (and init.rc). We should keep track 8253 // of this ABI so that we can deal with "normal" applications that run under 8254 // the same UID correctly. 8255 if (mPlatformPackage == pkg) { 8256 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8257 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8258 } 8259 8260 // If there's a mismatch between the abi-override in the package setting 8261 // and the abiOverride specified for the install. Warn about this because we 8262 // would've already compiled the app without taking the package setting into 8263 // account. 8264 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8265 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8266 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8267 " for package " + pkg.packageName); 8268 } 8269 } 8270 8271 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8272 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8273 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8274 8275 // Copy the derived override back to the parsed package, so that we can 8276 // update the package settings accordingly. 8277 pkg.cpuAbiOverride = cpuAbiOverride; 8278 8279 if (DEBUG_ABI_SELECTION) { 8280 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8281 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8282 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8283 } 8284 8285 // Push the derived path down into PackageSettings so we know what to 8286 // clean up at uninstall time. 8287 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8288 8289 if (DEBUG_ABI_SELECTION) { 8290 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8291 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8292 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8293 } 8294 8295 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8296 // We don't do this here during boot because we can do it all 8297 // at once after scanning all existing packages. 8298 // 8299 // We also do this *before* we perform dexopt on this package, so that 8300 // we can avoid redundant dexopts, and also to make sure we've got the 8301 // code and package path correct. 8302 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8303 pkg, true /* boot complete */); 8304 } 8305 8306 if (mFactoryTest && pkg.requestedPermissions.contains( 8307 android.Manifest.permission.FACTORY_TEST)) { 8308 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8309 } 8310 8311 ArrayList<PackageParser.Package> clientLibPkgs = null; 8312 8313 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8314 if (nonMutatedPs != null) { 8315 synchronized (mPackages) { 8316 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8317 } 8318 } 8319 return pkg; 8320 } 8321 8322 // Only privileged apps and updated privileged apps can add child packages. 8323 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8324 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8325 throw new PackageManagerException("Only privileged apps and updated " 8326 + "privileged apps can add child packages. Ignoring package " 8327 + pkg.packageName); 8328 } 8329 final int childCount = pkg.childPackages.size(); 8330 for (int i = 0; i < childCount; i++) { 8331 PackageParser.Package childPkg = pkg.childPackages.get(i); 8332 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8333 childPkg.packageName)) { 8334 throw new PackageManagerException("Cannot override a child package of " 8335 + "another disabled system app. Ignoring package " + pkg.packageName); 8336 } 8337 } 8338 } 8339 8340 // writer 8341 synchronized (mPackages) { 8342 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8343 // Only system apps can add new shared libraries. 8344 if (pkg.libraryNames != null) { 8345 for (int i=0; i<pkg.libraryNames.size(); i++) { 8346 String name = pkg.libraryNames.get(i); 8347 boolean allowed = false; 8348 if (pkg.isUpdatedSystemApp()) { 8349 // New library entries can only be added through the 8350 // system image. This is important to get rid of a lot 8351 // of nasty edge cases: for example if we allowed a non- 8352 // system update of the app to add a library, then uninstalling 8353 // the update would make the library go away, and assumptions 8354 // we made such as through app install filtering would now 8355 // have allowed apps on the device which aren't compatible 8356 // with it. Better to just have the restriction here, be 8357 // conservative, and create many fewer cases that can negatively 8358 // impact the user experience. 8359 final PackageSetting sysPs = mSettings 8360 .getDisabledSystemPkgLPr(pkg.packageName); 8361 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8362 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8363 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8364 allowed = true; 8365 break; 8366 } 8367 } 8368 } 8369 } else { 8370 allowed = true; 8371 } 8372 if (allowed) { 8373 if (!mSharedLibraries.containsKey(name)) { 8374 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8375 } else if (!name.equals(pkg.packageName)) { 8376 Slog.w(TAG, "Package " + pkg.packageName + " library " 8377 + name + " already exists; skipping"); 8378 } 8379 } else { 8380 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8381 + name + " that is not declared on system image; skipping"); 8382 } 8383 } 8384 if ((scanFlags & SCAN_BOOTING) == 0) { 8385 // If we are not booting, we need to update any applications 8386 // that are clients of our shared library. If we are booting, 8387 // this will all be done once the scan is complete. 8388 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8389 } 8390 } 8391 } 8392 } 8393 8394 if ((scanFlags & SCAN_BOOTING) != 0) { 8395 // No apps can run during boot scan, so they don't need to be frozen 8396 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8397 // Caller asked to not kill app, so it's probably not frozen 8398 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8399 // Caller asked us to ignore frozen check for some reason; they 8400 // probably didn't know the package name 8401 } else { 8402 // We're doing major surgery on this package, so it better be frozen 8403 // right now to keep it from launching 8404 checkPackageFrozen(pkgName); 8405 } 8406 8407 // Also need to kill any apps that are dependent on the library. 8408 if (clientLibPkgs != null) { 8409 for (int i=0; i<clientLibPkgs.size(); i++) { 8410 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8411 killApplication(clientPkg.applicationInfo.packageName, 8412 clientPkg.applicationInfo.uid, "update lib"); 8413 } 8414 } 8415 8416 // Make sure we're not adding any bogus keyset info 8417 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8418 ksms.assertScannedPackageValid(pkg); 8419 8420 // writer 8421 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8422 8423 boolean createIdmapFailed = false; 8424 synchronized (mPackages) { 8425 // We don't expect installation to fail beyond this point 8426 8427 // Add the new setting to mSettings 8428 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8429 // Add the new setting to mPackages 8430 mPackages.put(pkg.applicationInfo.packageName, pkg); 8431 // Make sure we don't accidentally delete its data. 8432 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8433 while (iter.hasNext()) { 8434 PackageCleanItem item = iter.next(); 8435 if (pkgName.equals(item.packageName)) { 8436 iter.remove(); 8437 } 8438 } 8439 8440 // Take care of first install / last update times. 8441 if (currentTime != 0) { 8442 if (pkgSetting.firstInstallTime == 0) { 8443 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8444 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8445 pkgSetting.lastUpdateTime = currentTime; 8446 } 8447 } else if (pkgSetting.firstInstallTime == 0) { 8448 // We need *something*. Take time time stamp of the file. 8449 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8450 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8451 if (scanFileTime != pkgSetting.timeStamp) { 8452 // A package on the system image has changed; consider this 8453 // to be an update. 8454 pkgSetting.lastUpdateTime = scanFileTime; 8455 } 8456 } 8457 8458 // Add the package's KeySets to the global KeySetManagerService 8459 ksms.addScannedPackageLPw(pkg); 8460 8461 int N = pkg.providers.size(); 8462 StringBuilder r = null; 8463 int i; 8464 for (i=0; i<N; i++) { 8465 PackageParser.Provider p = pkg.providers.get(i); 8466 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8467 p.info.processName, pkg.applicationInfo.uid); 8468 mProviders.addProvider(p); 8469 p.syncable = p.info.isSyncable; 8470 if (p.info.authority != null) { 8471 String names[] = p.info.authority.split(";"); 8472 p.info.authority = null; 8473 for (int j = 0; j < names.length; j++) { 8474 if (j == 1 && p.syncable) { 8475 // We only want the first authority for a provider to possibly be 8476 // syncable, so if we already added this provider using a different 8477 // authority clear the syncable flag. We copy the provider before 8478 // changing it because the mProviders object contains a reference 8479 // to a provider that we don't want to change. 8480 // Only do this for the second authority since the resulting provider 8481 // object can be the same for all future authorities for this provider. 8482 p = new PackageParser.Provider(p); 8483 p.syncable = false; 8484 } 8485 if (!mProvidersByAuthority.containsKey(names[j])) { 8486 mProvidersByAuthority.put(names[j], p); 8487 if (p.info.authority == null) { 8488 p.info.authority = names[j]; 8489 } else { 8490 p.info.authority = p.info.authority + ";" + names[j]; 8491 } 8492 if (DEBUG_PACKAGE_SCANNING) { 8493 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8494 Log.d(TAG, "Registered content provider: " + names[j] 8495 + ", className = " + p.info.name + ", isSyncable = " 8496 + p.info.isSyncable); 8497 } 8498 } else { 8499 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8500 Slog.w(TAG, "Skipping provider name " + names[j] + 8501 " (in package " + pkg.applicationInfo.packageName + 8502 "): name already used by " 8503 + ((other != null && other.getComponentName() != null) 8504 ? other.getComponentName().getPackageName() : "?")); 8505 } 8506 } 8507 } 8508 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8509 if (r == null) { 8510 r = new StringBuilder(256); 8511 } else { 8512 r.append(' '); 8513 } 8514 r.append(p.info.name); 8515 } 8516 } 8517 if (r != null) { 8518 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8519 } 8520 8521 N = pkg.services.size(); 8522 r = null; 8523 for (i=0; i<N; i++) { 8524 PackageParser.Service s = pkg.services.get(i); 8525 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8526 s.info.processName, pkg.applicationInfo.uid); 8527 mServices.addService(s); 8528 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8529 if (r == null) { 8530 r = new StringBuilder(256); 8531 } else { 8532 r.append(' '); 8533 } 8534 r.append(s.info.name); 8535 } 8536 } 8537 if (r != null) { 8538 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8539 } 8540 8541 N = pkg.receivers.size(); 8542 r = null; 8543 for (i=0; i<N; i++) { 8544 PackageParser.Activity a = pkg.receivers.get(i); 8545 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8546 a.info.processName, pkg.applicationInfo.uid); 8547 mReceivers.addActivity(a, "receiver"); 8548 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8549 if (r == null) { 8550 r = new StringBuilder(256); 8551 } else { 8552 r.append(' '); 8553 } 8554 r.append(a.info.name); 8555 } 8556 } 8557 if (r != null) { 8558 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8559 } 8560 8561 N = pkg.activities.size(); 8562 r = null; 8563 for (i=0; i<N; i++) { 8564 PackageParser.Activity a = pkg.activities.get(i); 8565 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8566 a.info.processName, pkg.applicationInfo.uid); 8567 mActivities.addActivity(a, "activity"); 8568 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8569 if (r == null) { 8570 r = new StringBuilder(256); 8571 } else { 8572 r.append(' '); 8573 } 8574 r.append(a.info.name); 8575 } 8576 } 8577 if (r != null) { 8578 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8579 } 8580 8581 N = pkg.permissionGroups.size(); 8582 r = null; 8583 for (i=0; i<N; i++) { 8584 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8585 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8586 if (cur == null) { 8587 mPermissionGroups.put(pg.info.name, pg); 8588 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8589 if (r == null) { 8590 r = new StringBuilder(256); 8591 } else { 8592 r.append(' '); 8593 } 8594 r.append(pg.info.name); 8595 } 8596 } else { 8597 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8598 + pg.info.packageName + " ignored: original from " 8599 + cur.info.packageName); 8600 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8601 if (r == null) { 8602 r = new StringBuilder(256); 8603 } else { 8604 r.append(' '); 8605 } 8606 r.append("DUP:"); 8607 r.append(pg.info.name); 8608 } 8609 } 8610 } 8611 if (r != null) { 8612 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8613 } 8614 8615 N = pkg.permissions.size(); 8616 r = null; 8617 for (i=0; i<N; i++) { 8618 PackageParser.Permission p = pkg.permissions.get(i); 8619 8620 // Assume by default that we did not install this permission into the system. 8621 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8622 8623 // Now that permission groups have a special meaning, we ignore permission 8624 // groups for legacy apps to prevent unexpected behavior. In particular, 8625 // permissions for one app being granted to someone just becase they happen 8626 // to be in a group defined by another app (before this had no implications). 8627 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8628 p.group = mPermissionGroups.get(p.info.group); 8629 // Warn for a permission in an unknown group. 8630 if (p.info.group != null && p.group == null) { 8631 Slog.w(TAG, "Permission " + p.info.name + " from package " 8632 + p.info.packageName + " in an unknown group " + p.info.group); 8633 } 8634 } 8635 8636 ArrayMap<String, BasePermission> permissionMap = 8637 p.tree ? mSettings.mPermissionTrees 8638 : mSettings.mPermissions; 8639 BasePermission bp = permissionMap.get(p.info.name); 8640 8641 // Allow system apps to redefine non-system permissions 8642 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8643 final boolean currentOwnerIsSystem = (bp.perm != null 8644 && isSystemApp(bp.perm.owner)); 8645 if (isSystemApp(p.owner)) { 8646 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8647 // It's a built-in permission and no owner, take ownership now 8648 bp.packageSetting = pkgSetting; 8649 bp.perm = p; 8650 bp.uid = pkg.applicationInfo.uid; 8651 bp.sourcePackage = p.info.packageName; 8652 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8653 } else if (!currentOwnerIsSystem) { 8654 String msg = "New decl " + p.owner + " of permission " 8655 + p.info.name + " is system; overriding " + bp.sourcePackage; 8656 reportSettingsProblem(Log.WARN, msg); 8657 bp = null; 8658 } 8659 } 8660 } 8661 8662 if (bp == null) { 8663 bp = new BasePermission(p.info.name, p.info.packageName, 8664 BasePermission.TYPE_NORMAL); 8665 permissionMap.put(p.info.name, bp); 8666 } 8667 8668 if (bp.perm == null) { 8669 if (bp.sourcePackage == null 8670 || bp.sourcePackage.equals(p.info.packageName)) { 8671 BasePermission tree = findPermissionTreeLP(p.info.name); 8672 if (tree == null 8673 || tree.sourcePackage.equals(p.info.packageName)) { 8674 bp.packageSetting = pkgSetting; 8675 bp.perm = p; 8676 bp.uid = pkg.applicationInfo.uid; 8677 bp.sourcePackage = p.info.packageName; 8678 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8679 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8680 if (r == null) { 8681 r = new StringBuilder(256); 8682 } else { 8683 r.append(' '); 8684 } 8685 r.append(p.info.name); 8686 } 8687 } else { 8688 Slog.w(TAG, "Permission " + p.info.name + " from package " 8689 + p.info.packageName + " ignored: base tree " 8690 + tree.name + " is from package " 8691 + tree.sourcePackage); 8692 } 8693 } else { 8694 Slog.w(TAG, "Permission " + p.info.name + " from package " 8695 + p.info.packageName + " ignored: original from " 8696 + bp.sourcePackage); 8697 } 8698 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8699 if (r == null) { 8700 r = new StringBuilder(256); 8701 } else { 8702 r.append(' '); 8703 } 8704 r.append("DUP:"); 8705 r.append(p.info.name); 8706 } 8707 if (bp.perm == p) { 8708 bp.protectionLevel = p.info.protectionLevel; 8709 } 8710 } 8711 8712 if (r != null) { 8713 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8714 } 8715 8716 N = pkg.instrumentation.size(); 8717 r = null; 8718 for (i=0; i<N; i++) { 8719 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8720 a.info.packageName = pkg.applicationInfo.packageName; 8721 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8722 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8723 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8724 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8725 a.info.dataDir = pkg.applicationInfo.dataDir; 8726 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8727 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8728 8729 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8730 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8731 mInstrumentation.put(a.getComponentName(), a); 8732 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8733 if (r == null) { 8734 r = new StringBuilder(256); 8735 } else { 8736 r.append(' '); 8737 } 8738 r.append(a.info.name); 8739 } 8740 } 8741 if (r != null) { 8742 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8743 } 8744 8745 if (pkg.protectedBroadcasts != null) { 8746 N = pkg.protectedBroadcasts.size(); 8747 for (i=0; i<N; i++) { 8748 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8749 } 8750 } 8751 8752 pkgSetting.setTimeStamp(scanFileTime); 8753 8754 // Create idmap files for pairs of (packages, overlay packages). 8755 // Note: "android", ie framework-res.apk, is handled by native layers. 8756 if (pkg.mOverlayTarget != null) { 8757 // This is an overlay package. 8758 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8759 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8760 mOverlays.put(pkg.mOverlayTarget, 8761 new ArrayMap<String, PackageParser.Package>()); 8762 } 8763 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8764 map.put(pkg.packageName, pkg); 8765 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8766 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8767 createIdmapFailed = true; 8768 } 8769 } 8770 } else if (mOverlays.containsKey(pkg.packageName) && 8771 !pkg.packageName.equals("android")) { 8772 // This is a regular package, with one or more known overlay packages. 8773 createIdmapsForPackageLI(pkg); 8774 } 8775 } 8776 8777 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8778 8779 if (createIdmapFailed) { 8780 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8781 "scanPackageLI failed to createIdmap"); 8782 } 8783 return pkg; 8784 } 8785 8786 /** 8787 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8788 * is derived purely on the basis of the contents of {@code scanFile} and 8789 * {@code cpuAbiOverride}. 8790 * 8791 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8792 */ 8793 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8794 String cpuAbiOverride, boolean extractLibs) 8795 throws PackageManagerException { 8796 // TODO: We can probably be smarter about this stuff. For installed apps, 8797 // we can calculate this information at install time once and for all. For 8798 // system apps, we can probably assume that this information doesn't change 8799 // after the first boot scan. As things stand, we do lots of unnecessary work. 8800 8801 // Give ourselves some initial paths; we'll come back for another 8802 // pass once we've determined ABI below. 8803 setNativeLibraryPaths(pkg); 8804 8805 // We would never need to extract libs for forward-locked and external packages, 8806 // since the container service will do it for us. We shouldn't attempt to 8807 // extract libs from system app when it was not updated. 8808 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8809 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8810 extractLibs = false; 8811 } 8812 8813 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8814 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8815 8816 NativeLibraryHelper.Handle handle = null; 8817 try { 8818 handle = NativeLibraryHelper.Handle.create(pkg); 8819 // TODO(multiArch): This can be null for apps that didn't go through the 8820 // usual installation process. We can calculate it again, like we 8821 // do during install time. 8822 // 8823 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8824 // unnecessary. 8825 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8826 8827 // Null out the abis so that they can be recalculated. 8828 pkg.applicationInfo.primaryCpuAbi = null; 8829 pkg.applicationInfo.secondaryCpuAbi = null; 8830 if (isMultiArch(pkg.applicationInfo)) { 8831 // Warn if we've set an abiOverride for multi-lib packages.. 8832 // By definition, we need to copy both 32 and 64 bit libraries for 8833 // such packages. 8834 if (pkg.cpuAbiOverride != null 8835 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8836 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8837 } 8838 8839 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8840 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8841 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8842 if (extractLibs) { 8843 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8844 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8845 useIsaSpecificSubdirs); 8846 } else { 8847 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8848 } 8849 } 8850 8851 maybeThrowExceptionForMultiArchCopy( 8852 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8853 8854 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8855 if (extractLibs) { 8856 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8857 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8858 useIsaSpecificSubdirs); 8859 } else { 8860 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8861 } 8862 } 8863 8864 maybeThrowExceptionForMultiArchCopy( 8865 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8866 8867 if (abi64 >= 0) { 8868 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8869 } 8870 8871 if (abi32 >= 0) { 8872 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8873 if (abi64 >= 0) { 8874 if (pkg.use32bitAbi) { 8875 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8876 pkg.applicationInfo.primaryCpuAbi = abi; 8877 } else { 8878 pkg.applicationInfo.secondaryCpuAbi = abi; 8879 } 8880 } else { 8881 pkg.applicationInfo.primaryCpuAbi = abi; 8882 } 8883 } 8884 8885 } else { 8886 String[] abiList = (cpuAbiOverride != null) ? 8887 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8888 8889 // Enable gross and lame hacks for apps that are built with old 8890 // SDK tools. We must scan their APKs for renderscript bitcode and 8891 // not launch them if it's present. Don't bother checking on devices 8892 // that don't have 64 bit support. 8893 boolean needsRenderScriptOverride = false; 8894 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8895 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8896 abiList = Build.SUPPORTED_32_BIT_ABIS; 8897 needsRenderScriptOverride = true; 8898 } 8899 8900 final int copyRet; 8901 if (extractLibs) { 8902 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8903 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8904 } else { 8905 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8906 } 8907 8908 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8909 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8910 "Error unpackaging native libs for app, errorCode=" + copyRet); 8911 } 8912 8913 if (copyRet >= 0) { 8914 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8915 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8916 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8917 } else if (needsRenderScriptOverride) { 8918 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8919 } 8920 } 8921 } catch (IOException ioe) { 8922 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8923 } finally { 8924 IoUtils.closeQuietly(handle); 8925 } 8926 8927 // Now that we've calculated the ABIs and determined if it's an internal app, 8928 // we will go ahead and populate the nativeLibraryPath. 8929 setNativeLibraryPaths(pkg); 8930 } 8931 8932 /** 8933 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8934 * i.e, so that all packages can be run inside a single process if required. 8935 * 8936 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8937 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8938 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8939 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8940 * updating a package that belongs to a shared user. 8941 * 8942 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8943 * adds unnecessary complexity. 8944 */ 8945 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8946 PackageParser.Package scannedPackage, boolean bootComplete) { 8947 String requiredInstructionSet = null; 8948 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8949 requiredInstructionSet = VMRuntime.getInstructionSet( 8950 scannedPackage.applicationInfo.primaryCpuAbi); 8951 } 8952 8953 PackageSetting requirer = null; 8954 for (PackageSetting ps : packagesForUser) { 8955 // If packagesForUser contains scannedPackage, we skip it. This will happen 8956 // when scannedPackage is an update of an existing package. Without this check, 8957 // we will never be able to change the ABI of any package belonging to a shared 8958 // user, even if it's compatible with other packages. 8959 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8960 if (ps.primaryCpuAbiString == null) { 8961 continue; 8962 } 8963 8964 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8965 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8966 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8967 // this but there's not much we can do. 8968 String errorMessage = "Instruction set mismatch, " 8969 + ((requirer == null) ? "[caller]" : requirer) 8970 + " requires " + requiredInstructionSet + " whereas " + ps 8971 + " requires " + instructionSet; 8972 Slog.w(TAG, errorMessage); 8973 } 8974 8975 if (requiredInstructionSet == null) { 8976 requiredInstructionSet = instructionSet; 8977 requirer = ps; 8978 } 8979 } 8980 } 8981 8982 if (requiredInstructionSet != null) { 8983 String adjustedAbi; 8984 if (requirer != null) { 8985 // requirer != null implies that either scannedPackage was null or that scannedPackage 8986 // did not require an ABI, in which case we have to adjust scannedPackage to match 8987 // the ABI of the set (which is the same as requirer's ABI) 8988 adjustedAbi = requirer.primaryCpuAbiString; 8989 if (scannedPackage != null) { 8990 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8991 } 8992 } else { 8993 // requirer == null implies that we're updating all ABIs in the set to 8994 // match scannedPackage. 8995 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8996 } 8997 8998 for (PackageSetting ps : packagesForUser) { 8999 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9000 if (ps.primaryCpuAbiString != null) { 9001 continue; 9002 } 9003 9004 ps.primaryCpuAbiString = adjustedAbi; 9005 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9006 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9007 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9008 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9009 + " (requirer=" 9010 + (requirer == null ? "null" : requirer.pkg.packageName) 9011 + ", scannedPackage=" 9012 + (scannedPackage != null ? scannedPackage.packageName : "null") 9013 + ")"); 9014 try { 9015 mInstaller.rmdex(ps.codePathString, 9016 getDexCodeInstructionSet(getPreferredInstructionSet())); 9017 } catch (InstallerException ignored) { 9018 } 9019 } 9020 } 9021 } 9022 } 9023 } 9024 9025 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9026 synchronized (mPackages) { 9027 mResolverReplaced = true; 9028 // Set up information for custom user intent resolution activity. 9029 mResolveActivity.applicationInfo = pkg.applicationInfo; 9030 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9031 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9032 mResolveActivity.processName = pkg.applicationInfo.packageName; 9033 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9034 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9035 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9036 mResolveActivity.theme = 0; 9037 mResolveActivity.exported = true; 9038 mResolveActivity.enabled = true; 9039 mResolveInfo.activityInfo = mResolveActivity; 9040 mResolveInfo.priority = 0; 9041 mResolveInfo.preferredOrder = 0; 9042 mResolveInfo.match = 0; 9043 mResolveComponentName = mCustomResolverComponentName; 9044 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9045 mResolveComponentName); 9046 } 9047 } 9048 9049 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9050 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9051 9052 // Set up information for ephemeral installer activity 9053 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9054 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9055 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9056 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9057 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9058 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9059 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9060 mEphemeralInstallerActivity.theme = 0; 9061 mEphemeralInstallerActivity.exported = true; 9062 mEphemeralInstallerActivity.enabled = true; 9063 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9064 mEphemeralInstallerInfo.priority = 0; 9065 mEphemeralInstallerInfo.preferredOrder = 0; 9066 mEphemeralInstallerInfo.match = 0; 9067 9068 if (DEBUG_EPHEMERAL) { 9069 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9070 } 9071 } 9072 9073 private static String calculateBundledApkRoot(final String codePathString) { 9074 final File codePath = new File(codePathString); 9075 final File codeRoot; 9076 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9077 codeRoot = Environment.getRootDirectory(); 9078 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9079 codeRoot = Environment.getOemDirectory(); 9080 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9081 codeRoot = Environment.getVendorDirectory(); 9082 } else { 9083 // Unrecognized code path; take its top real segment as the apk root: 9084 // e.g. /something/app/blah.apk => /something 9085 try { 9086 File f = codePath.getCanonicalFile(); 9087 File parent = f.getParentFile(); // non-null because codePath is a file 9088 File tmp; 9089 while ((tmp = parent.getParentFile()) != null) { 9090 f = parent; 9091 parent = tmp; 9092 } 9093 codeRoot = f; 9094 Slog.w(TAG, "Unrecognized code path " 9095 + codePath + " - using " + codeRoot); 9096 } catch (IOException e) { 9097 // Can't canonicalize the code path -- shenanigans? 9098 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9099 return Environment.getRootDirectory().getPath(); 9100 } 9101 } 9102 return codeRoot.getPath(); 9103 } 9104 9105 /** 9106 * Derive and set the location of native libraries for the given package, 9107 * which varies depending on where and how the package was installed. 9108 */ 9109 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9110 final ApplicationInfo info = pkg.applicationInfo; 9111 final String codePath = pkg.codePath; 9112 final File codeFile = new File(codePath); 9113 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9114 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9115 9116 info.nativeLibraryRootDir = null; 9117 info.nativeLibraryRootRequiresIsa = false; 9118 info.nativeLibraryDir = null; 9119 info.secondaryNativeLibraryDir = null; 9120 9121 if (isApkFile(codeFile)) { 9122 // Monolithic install 9123 if (bundledApp) { 9124 // If "/system/lib64/apkname" exists, assume that is the per-package 9125 // native library directory to use; otherwise use "/system/lib/apkname". 9126 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9127 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9128 getPrimaryInstructionSet(info)); 9129 9130 // This is a bundled system app so choose the path based on the ABI. 9131 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9132 // is just the default path. 9133 final String apkName = deriveCodePathName(codePath); 9134 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9135 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9136 apkName).getAbsolutePath(); 9137 9138 if (info.secondaryCpuAbi != null) { 9139 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9140 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9141 secondaryLibDir, apkName).getAbsolutePath(); 9142 } 9143 } else if (asecApp) { 9144 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9145 .getAbsolutePath(); 9146 } else { 9147 final String apkName = deriveCodePathName(codePath); 9148 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9149 .getAbsolutePath(); 9150 } 9151 9152 info.nativeLibraryRootRequiresIsa = false; 9153 info.nativeLibraryDir = info.nativeLibraryRootDir; 9154 } else { 9155 // Cluster install 9156 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9157 info.nativeLibraryRootRequiresIsa = true; 9158 9159 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9160 getPrimaryInstructionSet(info)).getAbsolutePath(); 9161 9162 if (info.secondaryCpuAbi != null) { 9163 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9164 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9165 } 9166 } 9167 } 9168 9169 /** 9170 * Calculate the abis and roots for a bundled app. These can uniquely 9171 * be determined from the contents of the system partition, i.e whether 9172 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9173 * of this information, and instead assume that the system was built 9174 * sensibly. 9175 */ 9176 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9177 PackageSetting pkgSetting) { 9178 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9179 9180 // If "/system/lib64/apkname" exists, assume that is the per-package 9181 // native library directory to use; otherwise use "/system/lib/apkname". 9182 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9183 setBundledAppAbi(pkg, apkRoot, apkName); 9184 // pkgSetting might be null during rescan following uninstall of updates 9185 // to a bundled app, so accommodate that possibility. The settings in 9186 // that case will be established later from the parsed package. 9187 // 9188 // If the settings aren't null, sync them up with what we've just derived. 9189 // note that apkRoot isn't stored in the package settings. 9190 if (pkgSetting != null) { 9191 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9192 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9193 } 9194 } 9195 9196 /** 9197 * Deduces the ABI of a bundled app and sets the relevant fields on the 9198 * parsed pkg object. 9199 * 9200 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9201 * under which system libraries are installed. 9202 * @param apkName the name of the installed package. 9203 */ 9204 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9205 final File codeFile = new File(pkg.codePath); 9206 9207 final boolean has64BitLibs; 9208 final boolean has32BitLibs; 9209 if (isApkFile(codeFile)) { 9210 // Monolithic install 9211 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9212 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9213 } else { 9214 // Cluster install 9215 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9216 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9217 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9218 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9219 has64BitLibs = (new File(rootDir, isa)).exists(); 9220 } else { 9221 has64BitLibs = false; 9222 } 9223 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9224 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9225 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9226 has32BitLibs = (new File(rootDir, isa)).exists(); 9227 } else { 9228 has32BitLibs = false; 9229 } 9230 } 9231 9232 if (has64BitLibs && !has32BitLibs) { 9233 // The package has 64 bit libs, but not 32 bit libs. Its primary 9234 // ABI should be 64 bit. We can safely assume here that the bundled 9235 // native libraries correspond to the most preferred ABI in the list. 9236 9237 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9238 pkg.applicationInfo.secondaryCpuAbi = null; 9239 } else if (has32BitLibs && !has64BitLibs) { 9240 // The package has 32 bit libs but not 64 bit libs. Its primary 9241 // ABI should be 32 bit. 9242 9243 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9244 pkg.applicationInfo.secondaryCpuAbi = null; 9245 } else if (has32BitLibs && has64BitLibs) { 9246 // The application has both 64 and 32 bit bundled libraries. We check 9247 // here that the app declares multiArch support, and warn if it doesn't. 9248 // 9249 // We will be lenient here and record both ABIs. The primary will be the 9250 // ABI that's higher on the list, i.e, a device that's configured to prefer 9251 // 64 bit apps will see a 64 bit primary ABI, 9252 9253 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9254 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9255 } 9256 9257 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9258 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9259 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9260 } else { 9261 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9262 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9263 } 9264 } else { 9265 pkg.applicationInfo.primaryCpuAbi = null; 9266 pkg.applicationInfo.secondaryCpuAbi = null; 9267 } 9268 } 9269 9270 private void killApplication(String pkgName, int appId, String reason) { 9271 // Request the ActivityManager to kill the process(only for existing packages) 9272 // so that we do not end up in a confused state while the user is still using the older 9273 // version of the application while the new one gets installed. 9274 final long token = Binder.clearCallingIdentity(); 9275 try { 9276 IActivityManager am = ActivityManagerNative.getDefault(); 9277 if (am != null) { 9278 try { 9279 am.killApplicationWithAppId(pkgName, appId, reason); 9280 } catch (RemoteException e) { 9281 } 9282 } 9283 } finally { 9284 Binder.restoreCallingIdentity(token); 9285 } 9286 } 9287 9288 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9289 // Remove the parent package setting 9290 PackageSetting ps = (PackageSetting) pkg.mExtras; 9291 if (ps != null) { 9292 removePackageLI(ps, chatty); 9293 } 9294 // Remove the child package setting 9295 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9296 for (int i = 0; i < childCount; i++) { 9297 PackageParser.Package childPkg = pkg.childPackages.get(i); 9298 ps = (PackageSetting) childPkg.mExtras; 9299 if (ps != null) { 9300 removePackageLI(ps, chatty); 9301 } 9302 } 9303 } 9304 9305 void removePackageLI(PackageSetting ps, boolean chatty) { 9306 if (DEBUG_INSTALL) { 9307 if (chatty) 9308 Log.d(TAG, "Removing package " + ps.name); 9309 } 9310 9311 // writer 9312 synchronized (mPackages) { 9313 mPackages.remove(ps.name); 9314 final PackageParser.Package pkg = ps.pkg; 9315 if (pkg != null) { 9316 cleanPackageDataStructuresLILPw(pkg, chatty); 9317 } 9318 } 9319 } 9320 9321 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9322 if (DEBUG_INSTALL) { 9323 if (chatty) 9324 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9325 } 9326 9327 // writer 9328 synchronized (mPackages) { 9329 // Remove the parent package 9330 mPackages.remove(pkg.applicationInfo.packageName); 9331 cleanPackageDataStructuresLILPw(pkg, chatty); 9332 9333 // Remove the child packages 9334 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9335 for (int i = 0; i < childCount; i++) { 9336 PackageParser.Package childPkg = pkg.childPackages.get(i); 9337 mPackages.remove(childPkg.applicationInfo.packageName); 9338 cleanPackageDataStructuresLILPw(childPkg, chatty); 9339 } 9340 } 9341 } 9342 9343 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9344 int N = pkg.providers.size(); 9345 StringBuilder r = null; 9346 int i; 9347 for (i=0; i<N; i++) { 9348 PackageParser.Provider p = pkg.providers.get(i); 9349 mProviders.removeProvider(p); 9350 if (p.info.authority == null) { 9351 9352 /* There was another ContentProvider with this authority when 9353 * this app was installed so this authority is null, 9354 * Ignore it as we don't have to unregister the provider. 9355 */ 9356 continue; 9357 } 9358 String names[] = p.info.authority.split(";"); 9359 for (int j = 0; j < names.length; j++) { 9360 if (mProvidersByAuthority.get(names[j]) == p) { 9361 mProvidersByAuthority.remove(names[j]); 9362 if (DEBUG_REMOVE) { 9363 if (chatty) 9364 Log.d(TAG, "Unregistered content provider: " + names[j] 9365 + ", className = " + p.info.name + ", isSyncable = " 9366 + p.info.isSyncable); 9367 } 9368 } 9369 } 9370 if (DEBUG_REMOVE && chatty) { 9371 if (r == null) { 9372 r = new StringBuilder(256); 9373 } else { 9374 r.append(' '); 9375 } 9376 r.append(p.info.name); 9377 } 9378 } 9379 if (r != null) { 9380 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9381 } 9382 9383 N = pkg.services.size(); 9384 r = null; 9385 for (i=0; i<N; i++) { 9386 PackageParser.Service s = pkg.services.get(i); 9387 mServices.removeService(s); 9388 if (chatty) { 9389 if (r == null) { 9390 r = new StringBuilder(256); 9391 } else { 9392 r.append(' '); 9393 } 9394 r.append(s.info.name); 9395 } 9396 } 9397 if (r != null) { 9398 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9399 } 9400 9401 N = pkg.receivers.size(); 9402 r = null; 9403 for (i=0; i<N; i++) { 9404 PackageParser.Activity a = pkg.receivers.get(i); 9405 mReceivers.removeActivity(a, "receiver"); 9406 if (DEBUG_REMOVE && chatty) { 9407 if (r == null) { 9408 r = new StringBuilder(256); 9409 } else { 9410 r.append(' '); 9411 } 9412 r.append(a.info.name); 9413 } 9414 } 9415 if (r != null) { 9416 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9417 } 9418 9419 N = pkg.activities.size(); 9420 r = null; 9421 for (i=0; i<N; i++) { 9422 PackageParser.Activity a = pkg.activities.get(i); 9423 mActivities.removeActivity(a, "activity"); 9424 if (DEBUG_REMOVE && chatty) { 9425 if (r == null) { 9426 r = new StringBuilder(256); 9427 } else { 9428 r.append(' '); 9429 } 9430 r.append(a.info.name); 9431 } 9432 } 9433 if (r != null) { 9434 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9435 } 9436 9437 N = pkg.permissions.size(); 9438 r = null; 9439 for (i=0; i<N; i++) { 9440 PackageParser.Permission p = pkg.permissions.get(i); 9441 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9442 if (bp == null) { 9443 bp = mSettings.mPermissionTrees.get(p.info.name); 9444 } 9445 if (bp != null && bp.perm == p) { 9446 bp.perm = null; 9447 if (DEBUG_REMOVE && chatty) { 9448 if (r == null) { 9449 r = new StringBuilder(256); 9450 } else { 9451 r.append(' '); 9452 } 9453 r.append(p.info.name); 9454 } 9455 } 9456 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9457 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9458 if (appOpPkgs != null) { 9459 appOpPkgs.remove(pkg.packageName); 9460 } 9461 } 9462 } 9463 if (r != null) { 9464 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9465 } 9466 9467 N = pkg.requestedPermissions.size(); 9468 r = null; 9469 for (i=0; i<N; i++) { 9470 String perm = pkg.requestedPermissions.get(i); 9471 BasePermission bp = mSettings.mPermissions.get(perm); 9472 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9473 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9474 if (appOpPkgs != null) { 9475 appOpPkgs.remove(pkg.packageName); 9476 if (appOpPkgs.isEmpty()) { 9477 mAppOpPermissionPackages.remove(perm); 9478 } 9479 } 9480 } 9481 } 9482 if (r != null) { 9483 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9484 } 9485 9486 N = pkg.instrumentation.size(); 9487 r = null; 9488 for (i=0; i<N; i++) { 9489 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9490 mInstrumentation.remove(a.getComponentName()); 9491 if (DEBUG_REMOVE && chatty) { 9492 if (r == null) { 9493 r = new StringBuilder(256); 9494 } else { 9495 r.append(' '); 9496 } 9497 r.append(a.info.name); 9498 } 9499 } 9500 if (r != null) { 9501 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9502 } 9503 9504 r = null; 9505 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9506 // Only system apps can hold shared libraries. 9507 if (pkg.libraryNames != null) { 9508 for (i=0; i<pkg.libraryNames.size(); i++) { 9509 String name = pkg.libraryNames.get(i); 9510 SharedLibraryEntry cur = mSharedLibraries.get(name); 9511 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9512 mSharedLibraries.remove(name); 9513 if (DEBUG_REMOVE && chatty) { 9514 if (r == null) { 9515 r = new StringBuilder(256); 9516 } else { 9517 r.append(' '); 9518 } 9519 r.append(name); 9520 } 9521 } 9522 } 9523 } 9524 } 9525 if (r != null) { 9526 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9527 } 9528 } 9529 9530 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9531 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9532 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9533 return true; 9534 } 9535 } 9536 return false; 9537 } 9538 9539 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9540 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9541 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9542 9543 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9544 // Update the parent permissions 9545 updatePermissionsLPw(pkg.packageName, pkg, flags); 9546 // Update the child permissions 9547 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9548 for (int i = 0; i < childCount; i++) { 9549 PackageParser.Package childPkg = pkg.childPackages.get(i); 9550 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9551 } 9552 } 9553 9554 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9555 int flags) { 9556 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9557 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9558 } 9559 9560 private void updatePermissionsLPw(String changingPkg, 9561 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9562 // Make sure there are no dangling permission trees. 9563 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9564 while (it.hasNext()) { 9565 final BasePermission bp = it.next(); 9566 if (bp.packageSetting == null) { 9567 // We may not yet have parsed the package, so just see if 9568 // we still know about its settings. 9569 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9570 } 9571 if (bp.packageSetting == null) { 9572 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9573 + " from package " + bp.sourcePackage); 9574 it.remove(); 9575 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9576 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9577 Slog.i(TAG, "Removing old permission tree: " + bp.name 9578 + " from package " + bp.sourcePackage); 9579 flags |= UPDATE_PERMISSIONS_ALL; 9580 it.remove(); 9581 } 9582 } 9583 } 9584 9585 // Make sure all dynamic permissions have been assigned to a package, 9586 // and make sure there are no dangling permissions. 9587 it = mSettings.mPermissions.values().iterator(); 9588 while (it.hasNext()) { 9589 final BasePermission bp = it.next(); 9590 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9591 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9592 + bp.name + " pkg=" + bp.sourcePackage 9593 + " info=" + bp.pendingInfo); 9594 if (bp.packageSetting == null && bp.pendingInfo != null) { 9595 final BasePermission tree = findPermissionTreeLP(bp.name); 9596 if (tree != null && tree.perm != null) { 9597 bp.packageSetting = tree.packageSetting; 9598 bp.perm = new PackageParser.Permission(tree.perm.owner, 9599 new PermissionInfo(bp.pendingInfo)); 9600 bp.perm.info.packageName = tree.perm.info.packageName; 9601 bp.perm.info.name = bp.name; 9602 bp.uid = tree.uid; 9603 } 9604 } 9605 } 9606 if (bp.packageSetting == null) { 9607 // We may not yet have parsed the package, so just see if 9608 // we still know about its settings. 9609 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9610 } 9611 if (bp.packageSetting == null) { 9612 Slog.w(TAG, "Removing dangling permission: " + bp.name 9613 + " from package " + bp.sourcePackage); 9614 it.remove(); 9615 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9616 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9617 Slog.i(TAG, "Removing old permission: " + bp.name 9618 + " from package " + bp.sourcePackage); 9619 flags |= UPDATE_PERMISSIONS_ALL; 9620 it.remove(); 9621 } 9622 } 9623 } 9624 9625 // Now update the permissions for all packages, in particular 9626 // replace the granted permissions of the system packages. 9627 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9628 for (PackageParser.Package pkg : mPackages.values()) { 9629 if (pkg != pkgInfo) { 9630 // Only replace for packages on requested volume 9631 final String volumeUuid = getVolumeUuidForPackage(pkg); 9632 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9633 && Objects.equals(replaceVolumeUuid, volumeUuid); 9634 grantPermissionsLPw(pkg, replace, changingPkg); 9635 } 9636 } 9637 } 9638 9639 if (pkgInfo != null) { 9640 // Only replace for packages on requested volume 9641 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9642 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9643 && Objects.equals(replaceVolumeUuid, volumeUuid); 9644 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9645 } 9646 } 9647 9648 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9649 String packageOfInterest) { 9650 // IMPORTANT: There are two types of permissions: install and runtime. 9651 // Install time permissions are granted when the app is installed to 9652 // all device users and users added in the future. Runtime permissions 9653 // are granted at runtime explicitly to specific users. Normal and signature 9654 // protected permissions are install time permissions. Dangerous permissions 9655 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9656 // otherwise they are runtime permissions. This function does not manage 9657 // runtime permissions except for the case an app targeting Lollipop MR1 9658 // being upgraded to target a newer SDK, in which case dangerous permissions 9659 // are transformed from install time to runtime ones. 9660 9661 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9662 if (ps == null) { 9663 return; 9664 } 9665 9666 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9667 9668 PermissionsState permissionsState = ps.getPermissionsState(); 9669 PermissionsState origPermissions = permissionsState; 9670 9671 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9672 9673 boolean runtimePermissionsRevoked = false; 9674 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9675 9676 boolean changedInstallPermission = false; 9677 9678 if (replace) { 9679 ps.installPermissionsFixed = false; 9680 if (!ps.isSharedUser()) { 9681 origPermissions = new PermissionsState(permissionsState); 9682 permissionsState.reset(); 9683 } else { 9684 // We need to know only about runtime permission changes since the 9685 // calling code always writes the install permissions state but 9686 // the runtime ones are written only if changed. The only cases of 9687 // changed runtime permissions here are promotion of an install to 9688 // runtime and revocation of a runtime from a shared user. 9689 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9690 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9691 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9692 runtimePermissionsRevoked = true; 9693 } 9694 } 9695 } 9696 9697 permissionsState.setGlobalGids(mGlobalGids); 9698 9699 final int N = pkg.requestedPermissions.size(); 9700 for (int i=0; i<N; i++) { 9701 final String name = pkg.requestedPermissions.get(i); 9702 final BasePermission bp = mSettings.mPermissions.get(name); 9703 9704 if (DEBUG_INSTALL) { 9705 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9706 } 9707 9708 if (bp == null || bp.packageSetting == null) { 9709 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9710 Slog.w(TAG, "Unknown permission " + name 9711 + " in package " + pkg.packageName); 9712 } 9713 continue; 9714 } 9715 9716 final String perm = bp.name; 9717 boolean allowedSig = false; 9718 int grant = GRANT_DENIED; 9719 9720 // Keep track of app op permissions. 9721 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9722 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9723 if (pkgs == null) { 9724 pkgs = new ArraySet<>(); 9725 mAppOpPermissionPackages.put(bp.name, pkgs); 9726 } 9727 pkgs.add(pkg.packageName); 9728 } 9729 9730 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9731 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9732 >= Build.VERSION_CODES.M; 9733 switch (level) { 9734 case PermissionInfo.PROTECTION_NORMAL: { 9735 // For all apps normal permissions are install time ones. 9736 grant = GRANT_INSTALL; 9737 } break; 9738 9739 case PermissionInfo.PROTECTION_DANGEROUS: { 9740 // If a permission review is required for legacy apps we represent 9741 // their permissions as always granted runtime ones since we need 9742 // to keep the review required permission flag per user while an 9743 // install permission's state is shared across all users. 9744 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9745 // For legacy apps dangerous permissions are install time ones. 9746 grant = GRANT_INSTALL; 9747 } else if (origPermissions.hasInstallPermission(bp.name)) { 9748 // For legacy apps that became modern, install becomes runtime. 9749 grant = GRANT_UPGRADE; 9750 } else if (mPromoteSystemApps 9751 && isSystemApp(ps) 9752 && mExistingSystemPackages.contains(ps.name)) { 9753 // For legacy system apps, install becomes runtime. 9754 // We cannot check hasInstallPermission() for system apps since those 9755 // permissions were granted implicitly and not persisted pre-M. 9756 grant = GRANT_UPGRADE; 9757 } else { 9758 // For modern apps keep runtime permissions unchanged. 9759 grant = GRANT_RUNTIME; 9760 } 9761 } break; 9762 9763 case PermissionInfo.PROTECTION_SIGNATURE: { 9764 // For all apps signature permissions are install time ones. 9765 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9766 if (allowedSig) { 9767 grant = GRANT_INSTALL; 9768 } 9769 } break; 9770 } 9771 9772 if (DEBUG_INSTALL) { 9773 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9774 } 9775 9776 if (grant != GRANT_DENIED) { 9777 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9778 // If this is an existing, non-system package, then 9779 // we can't add any new permissions to it. 9780 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9781 // Except... if this is a permission that was added 9782 // to the platform (note: need to only do this when 9783 // updating the platform). 9784 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9785 grant = GRANT_DENIED; 9786 } 9787 } 9788 } 9789 9790 switch (grant) { 9791 case GRANT_INSTALL: { 9792 // Revoke this as runtime permission to handle the case of 9793 // a runtime permission being downgraded to an install one. 9794 // Also in permission review mode we keep dangerous permissions 9795 // for legacy apps 9796 for (int userId : UserManagerService.getInstance().getUserIds()) { 9797 if (origPermissions.getRuntimePermissionState( 9798 bp.name, userId) != null) { 9799 // Revoke the runtime permission and clear the flags. 9800 origPermissions.revokeRuntimePermission(bp, userId); 9801 origPermissions.updatePermissionFlags(bp, userId, 9802 PackageManager.MASK_PERMISSION_FLAGS, 0); 9803 // If we revoked a permission permission, we have to write. 9804 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9805 changedRuntimePermissionUserIds, userId); 9806 } 9807 } 9808 // Grant an install permission. 9809 if (permissionsState.grantInstallPermission(bp) != 9810 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9811 changedInstallPermission = true; 9812 } 9813 } break; 9814 9815 case GRANT_RUNTIME: { 9816 // Grant previously granted runtime permissions. 9817 for (int userId : UserManagerService.getInstance().getUserIds()) { 9818 PermissionState permissionState = origPermissions 9819 .getRuntimePermissionState(bp.name, userId); 9820 int flags = permissionState != null 9821 ? permissionState.getFlags() : 0; 9822 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9823 if (permissionsState.grantRuntimePermission(bp, userId) == 9824 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9825 // If we cannot put the permission as it was, we have to write. 9826 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9827 changedRuntimePermissionUserIds, userId); 9828 } 9829 // If the app supports runtime permissions no need for a review. 9830 if (Build.PERMISSIONS_REVIEW_REQUIRED 9831 && appSupportsRuntimePermissions 9832 && (flags & PackageManager 9833 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9834 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9835 // Since we changed the flags, we have to write. 9836 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9837 changedRuntimePermissionUserIds, userId); 9838 } 9839 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9840 && !appSupportsRuntimePermissions) { 9841 // For legacy apps that need a permission review, every new 9842 // runtime permission is granted but it is pending a review. 9843 // We also need to review only platform defined runtime 9844 // permissions as these are the only ones the platform knows 9845 // how to disable the API to simulate revocation as legacy 9846 // apps don't expect to run with revoked permissions. 9847 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 9848 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9849 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9850 // We changed the flags, hence have to write. 9851 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9852 changedRuntimePermissionUserIds, userId); 9853 } 9854 } 9855 if (permissionsState.grantRuntimePermission(bp, userId) 9856 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9857 // We changed the permission, hence have to write. 9858 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9859 changedRuntimePermissionUserIds, userId); 9860 } 9861 } 9862 // Propagate the permission flags. 9863 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9864 } 9865 } break; 9866 9867 case GRANT_UPGRADE: { 9868 // Grant runtime permissions for a previously held install permission. 9869 PermissionState permissionState = origPermissions 9870 .getInstallPermissionState(bp.name); 9871 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9872 9873 if (origPermissions.revokeInstallPermission(bp) 9874 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9875 // We will be transferring the permission flags, so clear them. 9876 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9877 PackageManager.MASK_PERMISSION_FLAGS, 0); 9878 changedInstallPermission = true; 9879 } 9880 9881 // If the permission is not to be promoted to runtime we ignore it and 9882 // also its other flags as they are not applicable to install permissions. 9883 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9884 for (int userId : currentUserIds) { 9885 if (permissionsState.grantRuntimePermission(bp, userId) != 9886 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9887 // Transfer the permission flags. 9888 permissionsState.updatePermissionFlags(bp, userId, 9889 flags, flags); 9890 // If we granted the permission, we have to write. 9891 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9892 changedRuntimePermissionUserIds, userId); 9893 } 9894 } 9895 } 9896 } break; 9897 9898 default: { 9899 if (packageOfInterest == null 9900 || packageOfInterest.equals(pkg.packageName)) { 9901 Slog.w(TAG, "Not granting permission " + perm 9902 + " to package " + pkg.packageName 9903 + " because it was previously installed without"); 9904 } 9905 } break; 9906 } 9907 } else { 9908 if (permissionsState.revokeInstallPermission(bp) != 9909 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9910 // Also drop the permission flags. 9911 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9912 PackageManager.MASK_PERMISSION_FLAGS, 0); 9913 changedInstallPermission = true; 9914 Slog.i(TAG, "Un-granting permission " + perm 9915 + " from package " + pkg.packageName 9916 + " (protectionLevel=" + bp.protectionLevel 9917 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9918 + ")"); 9919 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9920 // Don't print warning for app op permissions, since it is fine for them 9921 // not to be granted, there is a UI for the user to decide. 9922 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9923 Slog.w(TAG, "Not granting permission " + perm 9924 + " to package " + pkg.packageName 9925 + " (protectionLevel=" + bp.protectionLevel 9926 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9927 + ")"); 9928 } 9929 } 9930 } 9931 } 9932 9933 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9934 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9935 // This is the first that we have heard about this package, so the 9936 // permissions we have now selected are fixed until explicitly 9937 // changed. 9938 ps.installPermissionsFixed = true; 9939 } 9940 9941 // Persist the runtime permissions state for users with changes. If permissions 9942 // were revoked because no app in the shared user declares them we have to 9943 // write synchronously to avoid losing runtime permissions state. 9944 for (int userId : changedRuntimePermissionUserIds) { 9945 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9946 } 9947 9948 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9949 } 9950 9951 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9952 boolean allowed = false; 9953 final int NP = PackageParser.NEW_PERMISSIONS.length; 9954 for (int ip=0; ip<NP; ip++) { 9955 final PackageParser.NewPermissionInfo npi 9956 = PackageParser.NEW_PERMISSIONS[ip]; 9957 if (npi.name.equals(perm) 9958 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9959 allowed = true; 9960 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9961 + pkg.packageName); 9962 break; 9963 } 9964 } 9965 return allowed; 9966 } 9967 9968 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9969 BasePermission bp, PermissionsState origPermissions) { 9970 boolean allowed; 9971 allowed = (compareSignatures( 9972 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9973 == PackageManager.SIGNATURE_MATCH) 9974 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9975 == PackageManager.SIGNATURE_MATCH); 9976 if (!allowed && (bp.protectionLevel 9977 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9978 if (isSystemApp(pkg)) { 9979 // For updated system applications, a system permission 9980 // is granted only if it had been defined by the original application. 9981 if (pkg.isUpdatedSystemApp()) { 9982 final PackageSetting sysPs = mSettings 9983 .getDisabledSystemPkgLPr(pkg.packageName); 9984 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9985 // If the original was granted this permission, we take 9986 // that grant decision as read and propagate it to the 9987 // update. 9988 if (sysPs.isPrivileged()) { 9989 allowed = true; 9990 } 9991 } else { 9992 // The system apk may have been updated with an older 9993 // version of the one on the data partition, but which 9994 // granted a new system permission that it didn't have 9995 // before. In this case we do want to allow the app to 9996 // now get the new permission if the ancestral apk is 9997 // privileged to get it. 9998 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9999 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10000 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10001 allowed = true; 10002 break; 10003 } 10004 } 10005 } 10006 // Also if a privileged parent package on the system image or any of 10007 // its children requested a privileged permission, the updated child 10008 // packages can also get the permission. 10009 if (pkg.parentPackage != null) { 10010 final PackageSetting disabledSysParentPs = mSettings 10011 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10012 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10013 && disabledSysParentPs.isPrivileged()) { 10014 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10015 allowed = true; 10016 } else if (disabledSysParentPs.pkg.childPackages != null) { 10017 final int count = disabledSysParentPs.pkg.childPackages.size(); 10018 for (int i = 0; i < count; i++) { 10019 PackageParser.Package disabledSysChildPkg = 10020 disabledSysParentPs.pkg.childPackages.get(i); 10021 if (isPackageRequestingPermission(disabledSysChildPkg, 10022 perm)) { 10023 allowed = true; 10024 break; 10025 } 10026 } 10027 } 10028 } 10029 } 10030 } 10031 } else { 10032 allowed = isPrivilegedApp(pkg); 10033 } 10034 } 10035 } 10036 if (!allowed) { 10037 if (!allowed && (bp.protectionLevel 10038 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10039 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10040 // If this was a previously normal/dangerous permission that got moved 10041 // to a system permission as part of the runtime permission redesign, then 10042 // we still want to blindly grant it to old apps. 10043 allowed = true; 10044 } 10045 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10046 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10047 // If this permission is to be granted to the system installer and 10048 // this app is an installer, then it gets the permission. 10049 allowed = true; 10050 } 10051 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10052 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10053 // If this permission is to be granted to the system verifier and 10054 // this app is a verifier, then it gets the permission. 10055 allowed = true; 10056 } 10057 if (!allowed && (bp.protectionLevel 10058 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10059 && isSystemApp(pkg)) { 10060 // Any pre-installed system app is allowed to get this permission. 10061 allowed = true; 10062 } 10063 if (!allowed && (bp.protectionLevel 10064 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10065 // For development permissions, a development permission 10066 // is granted only if it was already granted. 10067 allowed = origPermissions.hasInstallPermission(perm); 10068 } 10069 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10070 && pkg.packageName.equals(mSetupWizardPackage)) { 10071 // If this permission is to be granted to the system setup wizard and 10072 // this app is a setup wizard, then it gets the permission. 10073 allowed = true; 10074 } 10075 } 10076 return allowed; 10077 } 10078 10079 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10080 final int permCount = pkg.requestedPermissions.size(); 10081 for (int j = 0; j < permCount; j++) { 10082 String requestedPermission = pkg.requestedPermissions.get(j); 10083 if (permission.equals(requestedPermission)) { 10084 return true; 10085 } 10086 } 10087 return false; 10088 } 10089 10090 final class ActivityIntentResolver 10091 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10092 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10093 boolean defaultOnly, int userId) { 10094 if (!sUserManager.exists(userId)) return null; 10095 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10096 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10097 } 10098 10099 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10100 int userId) { 10101 if (!sUserManager.exists(userId)) return null; 10102 mFlags = flags; 10103 return super.queryIntent(intent, resolvedType, 10104 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10105 } 10106 10107 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10108 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10109 if (!sUserManager.exists(userId)) return null; 10110 if (packageActivities == null) { 10111 return null; 10112 } 10113 mFlags = flags; 10114 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10115 final int N = packageActivities.size(); 10116 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10117 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10118 10119 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10120 for (int i = 0; i < N; ++i) { 10121 intentFilters = packageActivities.get(i).intents; 10122 if (intentFilters != null && intentFilters.size() > 0) { 10123 PackageParser.ActivityIntentInfo[] array = 10124 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10125 intentFilters.toArray(array); 10126 listCut.add(array); 10127 } 10128 } 10129 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10130 } 10131 10132 /** 10133 * Finds a privileged activity that matches the specified activity names. 10134 */ 10135 private PackageParser.Activity findMatchingActivity( 10136 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10137 for (PackageParser.Activity sysActivity : activityList) { 10138 if (sysActivity.info.name.equals(activityInfo.name)) { 10139 return sysActivity; 10140 } 10141 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10142 return sysActivity; 10143 } 10144 if (sysActivity.info.targetActivity != null) { 10145 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10146 return sysActivity; 10147 } 10148 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10149 return sysActivity; 10150 } 10151 } 10152 } 10153 return null; 10154 } 10155 10156 public class IterGenerator<E> { 10157 public Iterator<E> generate(ActivityIntentInfo info) { 10158 return null; 10159 } 10160 } 10161 10162 public class ActionIterGenerator extends IterGenerator<String> { 10163 @Override 10164 public Iterator<String> generate(ActivityIntentInfo info) { 10165 return info.actionsIterator(); 10166 } 10167 } 10168 10169 public class CategoriesIterGenerator extends IterGenerator<String> { 10170 @Override 10171 public Iterator<String> generate(ActivityIntentInfo info) { 10172 return info.categoriesIterator(); 10173 } 10174 } 10175 10176 public class SchemesIterGenerator extends IterGenerator<String> { 10177 @Override 10178 public Iterator<String> generate(ActivityIntentInfo info) { 10179 return info.schemesIterator(); 10180 } 10181 } 10182 10183 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10184 @Override 10185 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10186 return info.authoritiesIterator(); 10187 } 10188 } 10189 10190 /** 10191 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10192 * MODIFIED. Do not pass in a list that should not be changed. 10193 */ 10194 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10195 IterGenerator<T> generator, Iterator<T> searchIterator) { 10196 // loop through the set of actions; every one must be found in the intent filter 10197 while (searchIterator.hasNext()) { 10198 // we must have at least one filter in the list to consider a match 10199 if (intentList.size() == 0) { 10200 break; 10201 } 10202 10203 final T searchAction = searchIterator.next(); 10204 10205 // loop through the set of intent filters 10206 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10207 while (intentIter.hasNext()) { 10208 final ActivityIntentInfo intentInfo = intentIter.next(); 10209 boolean selectionFound = false; 10210 10211 // loop through the intent filter's selection criteria; at least one 10212 // of them must match the searched criteria 10213 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10214 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10215 final T intentSelection = intentSelectionIter.next(); 10216 if (intentSelection != null && intentSelection.equals(searchAction)) { 10217 selectionFound = true; 10218 break; 10219 } 10220 } 10221 10222 // the selection criteria wasn't found in this filter's set; this filter 10223 // is not a potential match 10224 if (!selectionFound) { 10225 intentIter.remove(); 10226 } 10227 } 10228 } 10229 } 10230 10231 private boolean isProtectedAction(ActivityIntentInfo filter) { 10232 final Iterator<String> actionsIter = filter.actionsIterator(); 10233 while (actionsIter != null && actionsIter.hasNext()) { 10234 final String filterAction = actionsIter.next(); 10235 if (PROTECTED_ACTIONS.contains(filterAction)) { 10236 return true; 10237 } 10238 } 10239 return false; 10240 } 10241 10242 /** 10243 * Adjusts the priority of the given intent filter according to policy. 10244 * <p> 10245 * <ul> 10246 * <li>The priority for non privileged applications is capped to '0'</li> 10247 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10248 * <li>The priority for unbundled updates to privileged applications is capped to the 10249 * priority defined on the system partition</li> 10250 * </ul> 10251 * <p> 10252 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10253 * allowed to obtain any priority on any action. 10254 */ 10255 private void adjustPriority( 10256 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10257 // nothing to do; priority is fine as-is 10258 if (intent.getPriority() <= 0) { 10259 return; 10260 } 10261 10262 final ActivityInfo activityInfo = intent.activity.info; 10263 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10264 10265 final boolean privilegedApp = 10266 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10267 if (!privilegedApp) { 10268 // non-privileged applications can never define a priority >0 10269 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10270 + " package: " + applicationInfo.packageName 10271 + " activity: " + intent.activity.className 10272 + " origPrio: " + intent.getPriority()); 10273 intent.setPriority(0); 10274 return; 10275 } 10276 10277 if (systemActivities == null) { 10278 // the system package is not disabled; we're parsing the system partition 10279 if (isProtectedAction(intent)) { 10280 if (mDeferProtectedFilters) { 10281 // We can't deal with these just yet. No component should ever obtain a 10282 // >0 priority for a protected actions, with ONE exception -- the setup 10283 // wizard. The setup wizard, however, cannot be known until we're able to 10284 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10285 // until all intent filters have been processed. Chicken, meet egg. 10286 // Let the filter temporarily have a high priority and rectify the 10287 // priorities after all system packages have been scanned. 10288 mProtectedFilters.add(intent); 10289 if (DEBUG_FILTERS) { 10290 Slog.i(TAG, "Protected action; save for later;" 10291 + " package: " + applicationInfo.packageName 10292 + " activity: " + intent.activity.className 10293 + " origPrio: " + intent.getPriority()); 10294 } 10295 return; 10296 } else { 10297 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10298 Slog.i(TAG, "No setup wizard;" 10299 + " All protected intents capped to priority 0"); 10300 } 10301 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10302 if (DEBUG_FILTERS) { 10303 Slog.i(TAG, "Found setup wizard;" 10304 + " allow priority " + intent.getPriority() + ";" 10305 + " package: " + intent.activity.info.packageName 10306 + " activity: " + intent.activity.className 10307 + " priority: " + intent.getPriority()); 10308 } 10309 // setup wizard gets whatever it wants 10310 return; 10311 } 10312 Slog.w(TAG, "Protected action; cap priority to 0;" 10313 + " package: " + intent.activity.info.packageName 10314 + " activity: " + intent.activity.className 10315 + " origPrio: " + intent.getPriority()); 10316 intent.setPriority(0); 10317 return; 10318 } 10319 } 10320 // privileged apps on the system image get whatever priority they request 10321 return; 10322 } 10323 10324 // privileged app unbundled update ... try to find the same activity 10325 final PackageParser.Activity foundActivity = 10326 findMatchingActivity(systemActivities, activityInfo); 10327 if (foundActivity == null) { 10328 // this is a new activity; it cannot obtain >0 priority 10329 if (DEBUG_FILTERS) { 10330 Slog.i(TAG, "New activity; cap priority to 0;" 10331 + " package: " + applicationInfo.packageName 10332 + " activity: " + intent.activity.className 10333 + " origPrio: " + intent.getPriority()); 10334 } 10335 intent.setPriority(0); 10336 return; 10337 } 10338 10339 // found activity, now check for filter equivalence 10340 10341 // a shallow copy is enough; we modify the list, not its contents 10342 final List<ActivityIntentInfo> intentListCopy = 10343 new ArrayList<>(foundActivity.intents); 10344 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10345 10346 // find matching action subsets 10347 final Iterator<String> actionsIterator = intent.actionsIterator(); 10348 if (actionsIterator != null) { 10349 getIntentListSubset( 10350 intentListCopy, new ActionIterGenerator(), actionsIterator); 10351 if (intentListCopy.size() == 0) { 10352 // no more intents to match; we're not equivalent 10353 if (DEBUG_FILTERS) { 10354 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10355 + " package: " + applicationInfo.packageName 10356 + " activity: " + intent.activity.className 10357 + " origPrio: " + intent.getPriority()); 10358 } 10359 intent.setPriority(0); 10360 return; 10361 } 10362 } 10363 10364 // find matching category subsets 10365 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10366 if (categoriesIterator != null) { 10367 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10368 categoriesIterator); 10369 if (intentListCopy.size() == 0) { 10370 // no more intents to match; we're not equivalent 10371 if (DEBUG_FILTERS) { 10372 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10373 + " package: " + applicationInfo.packageName 10374 + " activity: " + intent.activity.className 10375 + " origPrio: " + intent.getPriority()); 10376 } 10377 intent.setPriority(0); 10378 return; 10379 } 10380 } 10381 10382 // find matching schemes subsets 10383 final Iterator<String> schemesIterator = intent.schemesIterator(); 10384 if (schemesIterator != null) { 10385 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10386 schemesIterator); 10387 if (intentListCopy.size() == 0) { 10388 // no more intents to match; we're not equivalent 10389 if (DEBUG_FILTERS) { 10390 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10391 + " package: " + applicationInfo.packageName 10392 + " activity: " + intent.activity.className 10393 + " origPrio: " + intent.getPriority()); 10394 } 10395 intent.setPriority(0); 10396 return; 10397 } 10398 } 10399 10400 // find matching authorities subsets 10401 final Iterator<IntentFilter.AuthorityEntry> 10402 authoritiesIterator = intent.authoritiesIterator(); 10403 if (authoritiesIterator != null) { 10404 getIntentListSubset(intentListCopy, 10405 new AuthoritiesIterGenerator(), 10406 authoritiesIterator); 10407 if (intentListCopy.size() == 0) { 10408 // no more intents to match; we're not equivalent 10409 if (DEBUG_FILTERS) { 10410 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10411 + " package: " + applicationInfo.packageName 10412 + " activity: " + intent.activity.className 10413 + " origPrio: " + intent.getPriority()); 10414 } 10415 intent.setPriority(0); 10416 return; 10417 } 10418 } 10419 10420 // we found matching filter(s); app gets the max priority of all intents 10421 int cappedPriority = 0; 10422 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10423 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10424 } 10425 if (intent.getPriority() > cappedPriority) { 10426 if (DEBUG_FILTERS) { 10427 Slog.i(TAG, "Found matching filter(s);" 10428 + " cap priority to " + cappedPriority + ";" 10429 + " package: " + applicationInfo.packageName 10430 + " activity: " + intent.activity.className 10431 + " origPrio: " + intent.getPriority()); 10432 } 10433 intent.setPriority(cappedPriority); 10434 return; 10435 } 10436 // all this for nothing; the requested priority was <= what was on the system 10437 } 10438 10439 public final void addActivity(PackageParser.Activity a, String type) { 10440 mActivities.put(a.getComponentName(), a); 10441 if (DEBUG_SHOW_INFO) 10442 Log.v( 10443 TAG, " " + type + " " + 10444 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10445 if (DEBUG_SHOW_INFO) 10446 Log.v(TAG, " Class=" + a.info.name); 10447 final int NI = a.intents.size(); 10448 for (int j=0; j<NI; j++) { 10449 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10450 if ("activity".equals(type)) { 10451 final PackageSetting ps = 10452 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10453 final List<PackageParser.Activity> systemActivities = 10454 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10455 adjustPriority(systemActivities, intent); 10456 } 10457 if (DEBUG_SHOW_INFO) { 10458 Log.v(TAG, " IntentFilter:"); 10459 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10460 } 10461 if (!intent.debugCheck()) { 10462 Log.w(TAG, "==> For Activity " + a.info.name); 10463 } 10464 addFilter(intent); 10465 } 10466 } 10467 10468 public final void removeActivity(PackageParser.Activity a, String type) { 10469 mActivities.remove(a.getComponentName()); 10470 if (DEBUG_SHOW_INFO) { 10471 Log.v(TAG, " " + type + " " 10472 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10473 : a.info.name) + ":"); 10474 Log.v(TAG, " Class=" + a.info.name); 10475 } 10476 final int NI = a.intents.size(); 10477 for (int j=0; j<NI; j++) { 10478 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10479 if (DEBUG_SHOW_INFO) { 10480 Log.v(TAG, " IntentFilter:"); 10481 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10482 } 10483 removeFilter(intent); 10484 } 10485 } 10486 10487 @Override 10488 protected boolean allowFilterResult( 10489 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10490 ActivityInfo filterAi = filter.activity.info; 10491 for (int i=dest.size()-1; i>=0; i--) { 10492 ActivityInfo destAi = dest.get(i).activityInfo; 10493 if (destAi.name == filterAi.name 10494 && destAi.packageName == filterAi.packageName) { 10495 return false; 10496 } 10497 } 10498 return true; 10499 } 10500 10501 @Override 10502 protected ActivityIntentInfo[] newArray(int size) { 10503 return new ActivityIntentInfo[size]; 10504 } 10505 10506 @Override 10507 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10508 if (!sUserManager.exists(userId)) return true; 10509 PackageParser.Package p = filter.activity.owner; 10510 if (p != null) { 10511 PackageSetting ps = (PackageSetting)p.mExtras; 10512 if (ps != null) { 10513 // System apps are never considered stopped for purposes of 10514 // filtering, because there may be no way for the user to 10515 // actually re-launch them. 10516 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10517 && ps.getStopped(userId); 10518 } 10519 } 10520 return false; 10521 } 10522 10523 @Override 10524 protected boolean isPackageForFilter(String packageName, 10525 PackageParser.ActivityIntentInfo info) { 10526 return packageName.equals(info.activity.owner.packageName); 10527 } 10528 10529 @Override 10530 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10531 int match, int userId) { 10532 if (!sUserManager.exists(userId)) return null; 10533 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10534 return null; 10535 } 10536 final PackageParser.Activity activity = info.activity; 10537 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10538 if (ps == null) { 10539 return null; 10540 } 10541 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10542 ps.readUserState(userId), userId); 10543 if (ai == null) { 10544 return null; 10545 } 10546 final ResolveInfo res = new ResolveInfo(); 10547 res.activityInfo = ai; 10548 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10549 res.filter = info; 10550 } 10551 if (info != null) { 10552 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10553 } 10554 res.priority = info.getPriority(); 10555 res.preferredOrder = activity.owner.mPreferredOrder; 10556 //System.out.println("Result: " + res.activityInfo.className + 10557 // " = " + res.priority); 10558 res.match = match; 10559 res.isDefault = info.hasDefault; 10560 res.labelRes = info.labelRes; 10561 res.nonLocalizedLabel = info.nonLocalizedLabel; 10562 if (userNeedsBadging(userId)) { 10563 res.noResourceId = true; 10564 } else { 10565 res.icon = info.icon; 10566 } 10567 res.iconResourceId = info.icon; 10568 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10569 return res; 10570 } 10571 10572 @Override 10573 protected void sortResults(List<ResolveInfo> results) { 10574 Collections.sort(results, mResolvePrioritySorter); 10575 } 10576 10577 @Override 10578 protected void dumpFilter(PrintWriter out, String prefix, 10579 PackageParser.ActivityIntentInfo filter) { 10580 out.print(prefix); out.print( 10581 Integer.toHexString(System.identityHashCode(filter.activity))); 10582 out.print(' '); 10583 filter.activity.printComponentShortName(out); 10584 out.print(" filter "); 10585 out.println(Integer.toHexString(System.identityHashCode(filter))); 10586 } 10587 10588 @Override 10589 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10590 return filter.activity; 10591 } 10592 10593 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10594 PackageParser.Activity activity = (PackageParser.Activity)label; 10595 out.print(prefix); out.print( 10596 Integer.toHexString(System.identityHashCode(activity))); 10597 out.print(' '); 10598 activity.printComponentShortName(out); 10599 if (count > 1) { 10600 out.print(" ("); out.print(count); out.print(" filters)"); 10601 } 10602 out.println(); 10603 } 10604 10605 // Keys are String (activity class name), values are Activity. 10606 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10607 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10608 private int mFlags; 10609 } 10610 10611 private final class ServiceIntentResolver 10612 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10613 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10614 boolean defaultOnly, int userId) { 10615 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10616 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10617 } 10618 10619 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10620 int userId) { 10621 if (!sUserManager.exists(userId)) return null; 10622 mFlags = flags; 10623 return super.queryIntent(intent, resolvedType, 10624 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10625 } 10626 10627 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10628 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10629 if (!sUserManager.exists(userId)) return null; 10630 if (packageServices == null) { 10631 return null; 10632 } 10633 mFlags = flags; 10634 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10635 final int N = packageServices.size(); 10636 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10637 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10638 10639 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10640 for (int i = 0; i < N; ++i) { 10641 intentFilters = packageServices.get(i).intents; 10642 if (intentFilters != null && intentFilters.size() > 0) { 10643 PackageParser.ServiceIntentInfo[] array = 10644 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10645 intentFilters.toArray(array); 10646 listCut.add(array); 10647 } 10648 } 10649 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10650 } 10651 10652 public final void addService(PackageParser.Service s) { 10653 mServices.put(s.getComponentName(), s); 10654 if (DEBUG_SHOW_INFO) { 10655 Log.v(TAG, " " 10656 + (s.info.nonLocalizedLabel != null 10657 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10658 Log.v(TAG, " Class=" + s.info.name); 10659 } 10660 final int NI = s.intents.size(); 10661 int j; 10662 for (j=0; j<NI; j++) { 10663 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10664 if (DEBUG_SHOW_INFO) { 10665 Log.v(TAG, " IntentFilter:"); 10666 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10667 } 10668 if (!intent.debugCheck()) { 10669 Log.w(TAG, "==> For Service " + s.info.name); 10670 } 10671 addFilter(intent); 10672 } 10673 } 10674 10675 public final void removeService(PackageParser.Service s) { 10676 mServices.remove(s.getComponentName()); 10677 if (DEBUG_SHOW_INFO) { 10678 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10679 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10680 Log.v(TAG, " Class=" + s.info.name); 10681 } 10682 final int NI = s.intents.size(); 10683 int j; 10684 for (j=0; j<NI; j++) { 10685 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10686 if (DEBUG_SHOW_INFO) { 10687 Log.v(TAG, " IntentFilter:"); 10688 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10689 } 10690 removeFilter(intent); 10691 } 10692 } 10693 10694 @Override 10695 protected boolean allowFilterResult( 10696 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10697 ServiceInfo filterSi = filter.service.info; 10698 for (int i=dest.size()-1; i>=0; i--) { 10699 ServiceInfo destAi = dest.get(i).serviceInfo; 10700 if (destAi.name == filterSi.name 10701 && destAi.packageName == filterSi.packageName) { 10702 return false; 10703 } 10704 } 10705 return true; 10706 } 10707 10708 @Override 10709 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10710 return new PackageParser.ServiceIntentInfo[size]; 10711 } 10712 10713 @Override 10714 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10715 if (!sUserManager.exists(userId)) return true; 10716 PackageParser.Package p = filter.service.owner; 10717 if (p != null) { 10718 PackageSetting ps = (PackageSetting)p.mExtras; 10719 if (ps != null) { 10720 // System apps are never considered stopped for purposes of 10721 // filtering, because there may be no way for the user to 10722 // actually re-launch them. 10723 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10724 && ps.getStopped(userId); 10725 } 10726 } 10727 return false; 10728 } 10729 10730 @Override 10731 protected boolean isPackageForFilter(String packageName, 10732 PackageParser.ServiceIntentInfo info) { 10733 return packageName.equals(info.service.owner.packageName); 10734 } 10735 10736 @Override 10737 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10738 int match, int userId) { 10739 if (!sUserManager.exists(userId)) return null; 10740 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10741 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10742 return null; 10743 } 10744 final PackageParser.Service service = info.service; 10745 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10746 if (ps == null) { 10747 return null; 10748 } 10749 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10750 ps.readUserState(userId), userId); 10751 if (si == null) { 10752 return null; 10753 } 10754 final ResolveInfo res = new ResolveInfo(); 10755 res.serviceInfo = si; 10756 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10757 res.filter = filter; 10758 } 10759 res.priority = info.getPriority(); 10760 res.preferredOrder = service.owner.mPreferredOrder; 10761 res.match = match; 10762 res.isDefault = info.hasDefault; 10763 res.labelRes = info.labelRes; 10764 res.nonLocalizedLabel = info.nonLocalizedLabel; 10765 res.icon = info.icon; 10766 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10767 return res; 10768 } 10769 10770 @Override 10771 protected void sortResults(List<ResolveInfo> results) { 10772 Collections.sort(results, mResolvePrioritySorter); 10773 } 10774 10775 @Override 10776 protected void dumpFilter(PrintWriter out, String prefix, 10777 PackageParser.ServiceIntentInfo filter) { 10778 out.print(prefix); out.print( 10779 Integer.toHexString(System.identityHashCode(filter.service))); 10780 out.print(' '); 10781 filter.service.printComponentShortName(out); 10782 out.print(" filter "); 10783 out.println(Integer.toHexString(System.identityHashCode(filter))); 10784 } 10785 10786 @Override 10787 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10788 return filter.service; 10789 } 10790 10791 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10792 PackageParser.Service service = (PackageParser.Service)label; 10793 out.print(prefix); out.print( 10794 Integer.toHexString(System.identityHashCode(service))); 10795 out.print(' '); 10796 service.printComponentShortName(out); 10797 if (count > 1) { 10798 out.print(" ("); out.print(count); out.print(" filters)"); 10799 } 10800 out.println(); 10801 } 10802 10803// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10804// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10805// final List<ResolveInfo> retList = Lists.newArrayList(); 10806// while (i.hasNext()) { 10807// final ResolveInfo resolveInfo = (ResolveInfo) i; 10808// if (isEnabledLP(resolveInfo.serviceInfo)) { 10809// retList.add(resolveInfo); 10810// } 10811// } 10812// return retList; 10813// } 10814 10815 // Keys are String (activity class name), values are Activity. 10816 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10817 = new ArrayMap<ComponentName, PackageParser.Service>(); 10818 private int mFlags; 10819 }; 10820 10821 private final class ProviderIntentResolver 10822 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10823 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10824 boolean defaultOnly, int userId) { 10825 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10826 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10827 } 10828 10829 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10830 int userId) { 10831 if (!sUserManager.exists(userId)) 10832 return null; 10833 mFlags = flags; 10834 return super.queryIntent(intent, resolvedType, 10835 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10836 } 10837 10838 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10839 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10840 if (!sUserManager.exists(userId)) 10841 return null; 10842 if (packageProviders == null) { 10843 return null; 10844 } 10845 mFlags = flags; 10846 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10847 final int N = packageProviders.size(); 10848 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10849 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10850 10851 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10852 for (int i = 0; i < N; ++i) { 10853 intentFilters = packageProviders.get(i).intents; 10854 if (intentFilters != null && intentFilters.size() > 0) { 10855 PackageParser.ProviderIntentInfo[] array = 10856 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10857 intentFilters.toArray(array); 10858 listCut.add(array); 10859 } 10860 } 10861 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10862 } 10863 10864 public final void addProvider(PackageParser.Provider p) { 10865 if (mProviders.containsKey(p.getComponentName())) { 10866 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10867 return; 10868 } 10869 10870 mProviders.put(p.getComponentName(), p); 10871 if (DEBUG_SHOW_INFO) { 10872 Log.v(TAG, " " 10873 + (p.info.nonLocalizedLabel != null 10874 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10875 Log.v(TAG, " Class=" + p.info.name); 10876 } 10877 final int NI = p.intents.size(); 10878 int j; 10879 for (j = 0; j < NI; j++) { 10880 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10881 if (DEBUG_SHOW_INFO) { 10882 Log.v(TAG, " IntentFilter:"); 10883 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10884 } 10885 if (!intent.debugCheck()) { 10886 Log.w(TAG, "==> For Provider " + p.info.name); 10887 } 10888 addFilter(intent); 10889 } 10890 } 10891 10892 public final void removeProvider(PackageParser.Provider p) { 10893 mProviders.remove(p.getComponentName()); 10894 if (DEBUG_SHOW_INFO) { 10895 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10896 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10897 Log.v(TAG, " Class=" + p.info.name); 10898 } 10899 final int NI = p.intents.size(); 10900 int j; 10901 for (j = 0; j < NI; j++) { 10902 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10903 if (DEBUG_SHOW_INFO) { 10904 Log.v(TAG, " IntentFilter:"); 10905 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10906 } 10907 removeFilter(intent); 10908 } 10909 } 10910 10911 @Override 10912 protected boolean allowFilterResult( 10913 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10914 ProviderInfo filterPi = filter.provider.info; 10915 for (int i = dest.size() - 1; i >= 0; i--) { 10916 ProviderInfo destPi = dest.get(i).providerInfo; 10917 if (destPi.name == filterPi.name 10918 && destPi.packageName == filterPi.packageName) { 10919 return false; 10920 } 10921 } 10922 return true; 10923 } 10924 10925 @Override 10926 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10927 return new PackageParser.ProviderIntentInfo[size]; 10928 } 10929 10930 @Override 10931 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10932 if (!sUserManager.exists(userId)) 10933 return true; 10934 PackageParser.Package p = filter.provider.owner; 10935 if (p != null) { 10936 PackageSetting ps = (PackageSetting) p.mExtras; 10937 if (ps != null) { 10938 // System apps are never considered stopped for purposes of 10939 // filtering, because there may be no way for the user to 10940 // actually re-launch them. 10941 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10942 && ps.getStopped(userId); 10943 } 10944 } 10945 return false; 10946 } 10947 10948 @Override 10949 protected boolean isPackageForFilter(String packageName, 10950 PackageParser.ProviderIntentInfo info) { 10951 return packageName.equals(info.provider.owner.packageName); 10952 } 10953 10954 @Override 10955 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10956 int match, int userId) { 10957 if (!sUserManager.exists(userId)) 10958 return null; 10959 final PackageParser.ProviderIntentInfo info = filter; 10960 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10961 return null; 10962 } 10963 final PackageParser.Provider provider = info.provider; 10964 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10965 if (ps == null) { 10966 return null; 10967 } 10968 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10969 ps.readUserState(userId), userId); 10970 if (pi == null) { 10971 return null; 10972 } 10973 final ResolveInfo res = new ResolveInfo(); 10974 res.providerInfo = pi; 10975 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10976 res.filter = filter; 10977 } 10978 res.priority = info.getPriority(); 10979 res.preferredOrder = provider.owner.mPreferredOrder; 10980 res.match = match; 10981 res.isDefault = info.hasDefault; 10982 res.labelRes = info.labelRes; 10983 res.nonLocalizedLabel = info.nonLocalizedLabel; 10984 res.icon = info.icon; 10985 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10986 return res; 10987 } 10988 10989 @Override 10990 protected void sortResults(List<ResolveInfo> results) { 10991 Collections.sort(results, mResolvePrioritySorter); 10992 } 10993 10994 @Override 10995 protected void dumpFilter(PrintWriter out, String prefix, 10996 PackageParser.ProviderIntentInfo filter) { 10997 out.print(prefix); 10998 out.print( 10999 Integer.toHexString(System.identityHashCode(filter.provider))); 11000 out.print(' '); 11001 filter.provider.printComponentShortName(out); 11002 out.print(" filter "); 11003 out.println(Integer.toHexString(System.identityHashCode(filter))); 11004 } 11005 11006 @Override 11007 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11008 return filter.provider; 11009 } 11010 11011 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11012 PackageParser.Provider provider = (PackageParser.Provider)label; 11013 out.print(prefix); out.print( 11014 Integer.toHexString(System.identityHashCode(provider))); 11015 out.print(' '); 11016 provider.printComponentShortName(out); 11017 if (count > 1) { 11018 out.print(" ("); out.print(count); out.print(" filters)"); 11019 } 11020 out.println(); 11021 } 11022 11023 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11024 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11025 private int mFlags; 11026 } 11027 11028 private static final class EphemeralIntentResolver 11029 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11030 @Override 11031 protected EphemeralResolveIntentInfo[] newArray(int size) { 11032 return new EphemeralResolveIntentInfo[size]; 11033 } 11034 11035 @Override 11036 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11037 return true; 11038 } 11039 11040 @Override 11041 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11042 int userId) { 11043 if (!sUserManager.exists(userId)) { 11044 return null; 11045 } 11046 return info.getEphemeralResolveInfo(); 11047 } 11048 } 11049 11050 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11051 new Comparator<ResolveInfo>() { 11052 public int compare(ResolveInfo r1, ResolveInfo r2) { 11053 int v1 = r1.priority; 11054 int v2 = r2.priority; 11055 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11056 if (v1 != v2) { 11057 return (v1 > v2) ? -1 : 1; 11058 } 11059 v1 = r1.preferredOrder; 11060 v2 = r2.preferredOrder; 11061 if (v1 != v2) { 11062 return (v1 > v2) ? -1 : 1; 11063 } 11064 if (r1.isDefault != r2.isDefault) { 11065 return r1.isDefault ? -1 : 1; 11066 } 11067 v1 = r1.match; 11068 v2 = r2.match; 11069 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11070 if (v1 != v2) { 11071 return (v1 > v2) ? -1 : 1; 11072 } 11073 if (r1.system != r2.system) { 11074 return r1.system ? -1 : 1; 11075 } 11076 if (r1.activityInfo != null) { 11077 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11078 } 11079 if (r1.serviceInfo != null) { 11080 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11081 } 11082 if (r1.providerInfo != null) { 11083 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11084 } 11085 return 0; 11086 } 11087 }; 11088 11089 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11090 new Comparator<ProviderInfo>() { 11091 public int compare(ProviderInfo p1, ProviderInfo p2) { 11092 final int v1 = p1.initOrder; 11093 final int v2 = p2.initOrder; 11094 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11095 } 11096 }; 11097 11098 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11099 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11100 final int[] userIds) { 11101 mHandler.post(new Runnable() { 11102 @Override 11103 public void run() { 11104 try { 11105 final IActivityManager am = ActivityManagerNative.getDefault(); 11106 if (am == null) return; 11107 final int[] resolvedUserIds; 11108 if (userIds == null) { 11109 resolvedUserIds = am.getRunningUserIds(); 11110 } else { 11111 resolvedUserIds = userIds; 11112 } 11113 for (int id : resolvedUserIds) { 11114 final Intent intent = new Intent(action, 11115 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11116 if (extras != null) { 11117 intent.putExtras(extras); 11118 } 11119 if (targetPkg != null) { 11120 intent.setPackage(targetPkg); 11121 } 11122 // Modify the UID when posting to other users 11123 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11124 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11125 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11126 intent.putExtra(Intent.EXTRA_UID, uid); 11127 } 11128 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11129 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11130 if (DEBUG_BROADCASTS) { 11131 RuntimeException here = new RuntimeException("here"); 11132 here.fillInStackTrace(); 11133 Slog.d(TAG, "Sending to user " + id + ": " 11134 + intent.toShortString(false, true, false, false) 11135 + " " + intent.getExtras(), here); 11136 } 11137 am.broadcastIntent(null, intent, null, finishedReceiver, 11138 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11139 null, finishedReceiver != null, false, id); 11140 } 11141 } catch (RemoteException ex) { 11142 } 11143 } 11144 }); 11145 } 11146 11147 /** 11148 * Check if the external storage media is available. This is true if there 11149 * is a mounted external storage medium or if the external storage is 11150 * emulated. 11151 */ 11152 private boolean isExternalMediaAvailable() { 11153 return mMediaMounted || Environment.isExternalStorageEmulated(); 11154 } 11155 11156 @Override 11157 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11158 // writer 11159 synchronized (mPackages) { 11160 if (!isExternalMediaAvailable()) { 11161 // If the external storage is no longer mounted at this point, 11162 // the caller may not have been able to delete all of this 11163 // packages files and can not delete any more. Bail. 11164 return null; 11165 } 11166 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11167 if (lastPackage != null) { 11168 pkgs.remove(lastPackage); 11169 } 11170 if (pkgs.size() > 0) { 11171 return pkgs.get(0); 11172 } 11173 } 11174 return null; 11175 } 11176 11177 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11178 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11179 userId, andCode ? 1 : 0, packageName); 11180 if (mSystemReady) { 11181 msg.sendToTarget(); 11182 } else { 11183 if (mPostSystemReadyMessages == null) { 11184 mPostSystemReadyMessages = new ArrayList<>(); 11185 } 11186 mPostSystemReadyMessages.add(msg); 11187 } 11188 } 11189 11190 void startCleaningPackages() { 11191 // reader 11192 if (!isExternalMediaAvailable()) { 11193 return; 11194 } 11195 synchronized (mPackages) { 11196 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11197 return; 11198 } 11199 } 11200 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11201 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11202 IActivityManager am = ActivityManagerNative.getDefault(); 11203 if (am != null) { 11204 try { 11205 am.startService(null, intent, null, mContext.getOpPackageName(), 11206 UserHandle.USER_SYSTEM); 11207 } catch (RemoteException e) { 11208 } 11209 } 11210 } 11211 11212 @Override 11213 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11214 int installFlags, String installerPackageName, int userId) { 11215 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11216 11217 final int callingUid = Binder.getCallingUid(); 11218 enforceCrossUserPermission(callingUid, userId, 11219 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11220 11221 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11222 try { 11223 if (observer != null) { 11224 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11225 } 11226 } catch (RemoteException re) { 11227 } 11228 return; 11229 } 11230 11231 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11232 installFlags |= PackageManager.INSTALL_FROM_ADB; 11233 11234 } else { 11235 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11236 // about installerPackageName. 11237 11238 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11239 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11240 } 11241 11242 UserHandle user; 11243 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11244 user = UserHandle.ALL; 11245 } else { 11246 user = new UserHandle(userId); 11247 } 11248 11249 // Only system components can circumvent runtime permissions when installing. 11250 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11251 && mContext.checkCallingOrSelfPermission(Manifest.permission 11252 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11253 throw new SecurityException("You need the " 11254 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11255 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11256 } 11257 11258 final File originFile = new File(originPath); 11259 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11260 11261 final Message msg = mHandler.obtainMessage(INIT_COPY); 11262 final VerificationInfo verificationInfo = new VerificationInfo( 11263 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11264 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11265 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11266 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11267 null /*certificates*/); 11268 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11269 msg.obj = params; 11270 11271 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11272 System.identityHashCode(msg.obj)); 11273 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11274 System.identityHashCode(msg.obj)); 11275 11276 mHandler.sendMessage(msg); 11277 } 11278 11279 void installStage(String packageName, File stagedDir, String stagedCid, 11280 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11281 String installerPackageName, int installerUid, UserHandle user, 11282 Certificate[][] certificates) { 11283 if (DEBUG_EPHEMERAL) { 11284 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11285 Slog.d(TAG, "Ephemeral install of " + packageName); 11286 } 11287 } 11288 final VerificationInfo verificationInfo = new VerificationInfo( 11289 sessionParams.originatingUri, sessionParams.referrerUri, 11290 sessionParams.originatingUid, installerUid); 11291 11292 final OriginInfo origin; 11293 if (stagedDir != null) { 11294 origin = OriginInfo.fromStagedFile(stagedDir); 11295 } else { 11296 origin = OriginInfo.fromStagedContainer(stagedCid); 11297 } 11298 11299 final Message msg = mHandler.obtainMessage(INIT_COPY); 11300 final InstallParams params = new InstallParams(origin, null, observer, 11301 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11302 verificationInfo, user, sessionParams.abiOverride, 11303 sessionParams.grantedRuntimePermissions, certificates); 11304 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11305 msg.obj = params; 11306 11307 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11308 System.identityHashCode(msg.obj)); 11309 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11310 System.identityHashCode(msg.obj)); 11311 11312 mHandler.sendMessage(msg); 11313 } 11314 11315 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11316 int userId) { 11317 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11318 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11319 } 11320 11321 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11322 int appId, int userId) { 11323 Bundle extras = new Bundle(1); 11324 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11325 11326 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11327 packageName, extras, 0, null, null, new int[] {userId}); 11328 try { 11329 IActivityManager am = ActivityManagerNative.getDefault(); 11330 if (isSystem && am.isUserRunning(userId, 0)) { 11331 // The just-installed/enabled app is bundled on the system, so presumed 11332 // to be able to run automatically without needing an explicit launch. 11333 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11334 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11335 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11336 .setPackage(packageName); 11337 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11338 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11339 } 11340 } catch (RemoteException e) { 11341 // shouldn't happen 11342 Slog.w(TAG, "Unable to bootstrap installed package", e); 11343 } 11344 } 11345 11346 @Override 11347 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11348 int userId) { 11349 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11350 PackageSetting pkgSetting; 11351 final int uid = Binder.getCallingUid(); 11352 enforceCrossUserPermission(uid, userId, 11353 true /* requireFullPermission */, true /* checkShell */, 11354 "setApplicationHiddenSetting for user " + userId); 11355 11356 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11357 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11358 return false; 11359 } 11360 11361 long callingId = Binder.clearCallingIdentity(); 11362 try { 11363 boolean sendAdded = false; 11364 boolean sendRemoved = false; 11365 // writer 11366 synchronized (mPackages) { 11367 pkgSetting = mSettings.mPackages.get(packageName); 11368 if (pkgSetting == null) { 11369 return false; 11370 } 11371 if (pkgSetting.getHidden(userId) != hidden) { 11372 pkgSetting.setHidden(hidden, userId); 11373 mSettings.writePackageRestrictionsLPr(userId); 11374 if (hidden) { 11375 sendRemoved = true; 11376 } else { 11377 sendAdded = true; 11378 } 11379 } 11380 } 11381 if (sendAdded) { 11382 sendPackageAddedForUser(packageName, pkgSetting, userId); 11383 return true; 11384 } 11385 if (sendRemoved) { 11386 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11387 "hiding pkg"); 11388 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11389 return true; 11390 } 11391 } finally { 11392 Binder.restoreCallingIdentity(callingId); 11393 } 11394 return false; 11395 } 11396 11397 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11398 int userId) { 11399 final PackageRemovedInfo info = new PackageRemovedInfo(); 11400 info.removedPackage = packageName; 11401 info.removedUsers = new int[] {userId}; 11402 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11403 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11404 } 11405 11406 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11407 if (pkgList.length > 0) { 11408 Bundle extras = new Bundle(1); 11409 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11410 11411 sendPackageBroadcast( 11412 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11413 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11414 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11415 new int[] {userId}); 11416 } 11417 } 11418 11419 /** 11420 * Returns true if application is not found or there was an error. Otherwise it returns 11421 * the hidden state of the package for the given user. 11422 */ 11423 @Override 11424 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11425 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11426 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11427 true /* requireFullPermission */, false /* checkShell */, 11428 "getApplicationHidden for user " + userId); 11429 PackageSetting pkgSetting; 11430 long callingId = Binder.clearCallingIdentity(); 11431 try { 11432 // writer 11433 synchronized (mPackages) { 11434 pkgSetting = mSettings.mPackages.get(packageName); 11435 if (pkgSetting == null) { 11436 return true; 11437 } 11438 return pkgSetting.getHidden(userId); 11439 } 11440 } finally { 11441 Binder.restoreCallingIdentity(callingId); 11442 } 11443 } 11444 11445 /** 11446 * @hide 11447 */ 11448 @Override 11449 public int installExistingPackageAsUser(String packageName, int userId) { 11450 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11451 null); 11452 PackageSetting pkgSetting; 11453 final int uid = Binder.getCallingUid(); 11454 enforceCrossUserPermission(uid, userId, 11455 true /* requireFullPermission */, true /* checkShell */, 11456 "installExistingPackage for user " + userId); 11457 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11458 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11459 } 11460 11461 long callingId = Binder.clearCallingIdentity(); 11462 try { 11463 boolean installed = false; 11464 11465 // writer 11466 synchronized (mPackages) { 11467 pkgSetting = mSettings.mPackages.get(packageName); 11468 if (pkgSetting == null) { 11469 return PackageManager.INSTALL_FAILED_INVALID_URI; 11470 } 11471 if (!pkgSetting.getInstalled(userId)) { 11472 pkgSetting.setInstalled(true, userId); 11473 pkgSetting.setHidden(false, userId); 11474 mSettings.writePackageRestrictionsLPr(userId); 11475 installed = true; 11476 } 11477 } 11478 11479 if (installed) { 11480 if (pkgSetting.pkg != null) { 11481 synchronized (mInstallLock) { 11482 // We don't need to freeze for a brand new install 11483 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11484 } 11485 } 11486 sendPackageAddedForUser(packageName, pkgSetting, userId); 11487 } 11488 } finally { 11489 Binder.restoreCallingIdentity(callingId); 11490 } 11491 11492 return PackageManager.INSTALL_SUCCEEDED; 11493 } 11494 11495 boolean isUserRestricted(int userId, String restrictionKey) { 11496 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11497 if (restrictions.getBoolean(restrictionKey, false)) { 11498 Log.w(TAG, "User is restricted: " + restrictionKey); 11499 return true; 11500 } 11501 return false; 11502 } 11503 11504 @Override 11505 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11506 int userId) { 11507 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11508 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11509 true /* requireFullPermission */, true /* checkShell */, 11510 "setPackagesSuspended for user " + userId); 11511 11512 if (ArrayUtils.isEmpty(packageNames)) { 11513 return packageNames; 11514 } 11515 11516 // List of package names for whom the suspended state has changed. 11517 List<String> changedPackages = new ArrayList<>(packageNames.length); 11518 // List of package names for whom the suspended state is not set as requested in this 11519 // method. 11520 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11521 long callingId = Binder.clearCallingIdentity(); 11522 try { 11523 for (int i = 0; i < packageNames.length; i++) { 11524 String packageName = packageNames[i]; 11525 boolean changed = false; 11526 final int appId; 11527 synchronized (mPackages) { 11528 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11529 if (pkgSetting == null) { 11530 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11531 + "\". Skipping suspending/un-suspending."); 11532 unactionedPackages.add(packageName); 11533 continue; 11534 } 11535 appId = pkgSetting.appId; 11536 if (pkgSetting.getSuspended(userId) != suspended) { 11537 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11538 unactionedPackages.add(packageName); 11539 continue; 11540 } 11541 pkgSetting.setSuspended(suspended, userId); 11542 mSettings.writePackageRestrictionsLPr(userId); 11543 changed = true; 11544 changedPackages.add(packageName); 11545 } 11546 } 11547 11548 if (changed && suspended) { 11549 killApplication(packageName, UserHandle.getUid(userId, appId), 11550 "suspending package"); 11551 } 11552 } 11553 } finally { 11554 Binder.restoreCallingIdentity(callingId); 11555 } 11556 11557 if (!changedPackages.isEmpty()) { 11558 sendPackagesSuspendedForUser(changedPackages.toArray( 11559 new String[changedPackages.size()]), userId, suspended); 11560 } 11561 11562 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11563 } 11564 11565 @Override 11566 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11567 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11568 true /* requireFullPermission */, false /* checkShell */, 11569 "isPackageSuspendedForUser for user " + userId); 11570 synchronized (mPackages) { 11571 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11572 if (pkgSetting == null) { 11573 throw new IllegalArgumentException("Unknown target package: " + packageName); 11574 } 11575 return pkgSetting.getSuspended(userId); 11576 } 11577 } 11578 11579 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11580 if (isPackageDeviceAdmin(packageName, userId)) { 11581 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11582 + "\": has an active device admin"); 11583 return false; 11584 } 11585 11586 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11587 if (packageName.equals(activeLauncherPackageName)) { 11588 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11589 + "\": contains the active launcher"); 11590 return false; 11591 } 11592 11593 if (packageName.equals(mRequiredInstallerPackage)) { 11594 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11595 + "\": required for package installation"); 11596 return false; 11597 } 11598 11599 if (packageName.equals(mRequiredVerifierPackage)) { 11600 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11601 + "\": required for package verification"); 11602 return false; 11603 } 11604 11605 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11606 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11607 + "\": is the default dialer"); 11608 return false; 11609 } 11610 11611 return true; 11612 } 11613 11614 private String getActiveLauncherPackageName(int userId) { 11615 Intent intent = new Intent(Intent.ACTION_MAIN); 11616 intent.addCategory(Intent.CATEGORY_HOME); 11617 ResolveInfo resolveInfo = resolveIntent( 11618 intent, 11619 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11620 PackageManager.MATCH_DEFAULT_ONLY, 11621 userId); 11622 11623 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11624 } 11625 11626 private String getDefaultDialerPackageName(int userId) { 11627 synchronized (mPackages) { 11628 return mSettings.getDefaultDialerPackageNameLPw(userId); 11629 } 11630 } 11631 11632 @Override 11633 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11634 mContext.enforceCallingOrSelfPermission( 11635 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11636 "Only package verification agents can verify applications"); 11637 11638 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11639 final PackageVerificationResponse response = new PackageVerificationResponse( 11640 verificationCode, Binder.getCallingUid()); 11641 msg.arg1 = id; 11642 msg.obj = response; 11643 mHandler.sendMessage(msg); 11644 } 11645 11646 @Override 11647 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11648 long millisecondsToDelay) { 11649 mContext.enforceCallingOrSelfPermission( 11650 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11651 "Only package verification agents can extend verification timeouts"); 11652 11653 final PackageVerificationState state = mPendingVerification.get(id); 11654 final PackageVerificationResponse response = new PackageVerificationResponse( 11655 verificationCodeAtTimeout, Binder.getCallingUid()); 11656 11657 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11658 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11659 } 11660 if (millisecondsToDelay < 0) { 11661 millisecondsToDelay = 0; 11662 } 11663 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11664 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11665 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11666 } 11667 11668 if ((state != null) && !state.timeoutExtended()) { 11669 state.extendTimeout(); 11670 11671 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11672 msg.arg1 = id; 11673 msg.obj = response; 11674 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11675 } 11676 } 11677 11678 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11679 int verificationCode, UserHandle user) { 11680 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11681 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11682 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11683 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11684 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11685 11686 mContext.sendBroadcastAsUser(intent, user, 11687 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11688 } 11689 11690 private ComponentName matchComponentForVerifier(String packageName, 11691 List<ResolveInfo> receivers) { 11692 ActivityInfo targetReceiver = null; 11693 11694 final int NR = receivers.size(); 11695 for (int i = 0; i < NR; i++) { 11696 final ResolveInfo info = receivers.get(i); 11697 if (info.activityInfo == null) { 11698 continue; 11699 } 11700 11701 if (packageName.equals(info.activityInfo.packageName)) { 11702 targetReceiver = info.activityInfo; 11703 break; 11704 } 11705 } 11706 11707 if (targetReceiver == null) { 11708 return null; 11709 } 11710 11711 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11712 } 11713 11714 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11715 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11716 if (pkgInfo.verifiers.length == 0) { 11717 return null; 11718 } 11719 11720 final int N = pkgInfo.verifiers.length; 11721 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11722 for (int i = 0; i < N; i++) { 11723 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11724 11725 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11726 receivers); 11727 if (comp == null) { 11728 continue; 11729 } 11730 11731 final int verifierUid = getUidForVerifier(verifierInfo); 11732 if (verifierUid == -1) { 11733 continue; 11734 } 11735 11736 if (DEBUG_VERIFY) { 11737 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11738 + " with the correct signature"); 11739 } 11740 sufficientVerifiers.add(comp); 11741 verificationState.addSufficientVerifier(verifierUid); 11742 } 11743 11744 return sufficientVerifiers; 11745 } 11746 11747 private int getUidForVerifier(VerifierInfo verifierInfo) { 11748 synchronized (mPackages) { 11749 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11750 if (pkg == null) { 11751 return -1; 11752 } else if (pkg.mSignatures.length != 1) { 11753 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11754 + " has more than one signature; ignoring"); 11755 return -1; 11756 } 11757 11758 /* 11759 * If the public key of the package's signature does not match 11760 * our expected public key, then this is a different package and 11761 * we should skip. 11762 */ 11763 11764 final byte[] expectedPublicKey; 11765 try { 11766 final Signature verifierSig = pkg.mSignatures[0]; 11767 final PublicKey publicKey = verifierSig.getPublicKey(); 11768 expectedPublicKey = publicKey.getEncoded(); 11769 } catch (CertificateException e) { 11770 return -1; 11771 } 11772 11773 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11774 11775 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11776 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11777 + " does not have the expected public key; ignoring"); 11778 return -1; 11779 } 11780 11781 return pkg.applicationInfo.uid; 11782 } 11783 } 11784 11785 @Override 11786 public void finishPackageInstall(int token, boolean didLaunch) { 11787 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11788 11789 if (DEBUG_INSTALL) { 11790 Slog.v(TAG, "BM finishing package install for " + token); 11791 } 11792 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11793 11794 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11795 mHandler.sendMessage(msg); 11796 } 11797 11798 /** 11799 * Get the verification agent timeout. 11800 * 11801 * @return verification timeout in milliseconds 11802 */ 11803 private long getVerificationTimeout() { 11804 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11805 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11806 DEFAULT_VERIFICATION_TIMEOUT); 11807 } 11808 11809 /** 11810 * Get the default verification agent response code. 11811 * 11812 * @return default verification response code 11813 */ 11814 private int getDefaultVerificationResponse() { 11815 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11816 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11817 DEFAULT_VERIFICATION_RESPONSE); 11818 } 11819 11820 /** 11821 * Check whether or not package verification has been enabled. 11822 * 11823 * @return true if verification should be performed 11824 */ 11825 private boolean isVerificationEnabled(int userId, int installFlags) { 11826 if (!DEFAULT_VERIFY_ENABLE) { 11827 return false; 11828 } 11829 // Ephemeral apps don't get the full verification treatment 11830 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11831 if (DEBUG_EPHEMERAL) { 11832 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11833 } 11834 return false; 11835 } 11836 11837 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11838 11839 // Check if installing from ADB 11840 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11841 // Do not run verification in a test harness environment 11842 if (ActivityManager.isRunningInTestHarness()) { 11843 return false; 11844 } 11845 if (ensureVerifyAppsEnabled) { 11846 return true; 11847 } 11848 // Check if the developer does not want package verification for ADB installs 11849 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11850 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11851 return false; 11852 } 11853 } 11854 11855 if (ensureVerifyAppsEnabled) { 11856 return true; 11857 } 11858 11859 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11860 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11861 } 11862 11863 @Override 11864 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11865 throws RemoteException { 11866 mContext.enforceCallingOrSelfPermission( 11867 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11868 "Only intentfilter verification agents can verify applications"); 11869 11870 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11871 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11872 Binder.getCallingUid(), verificationCode, failedDomains); 11873 msg.arg1 = id; 11874 msg.obj = response; 11875 mHandler.sendMessage(msg); 11876 } 11877 11878 @Override 11879 public int getIntentVerificationStatus(String packageName, int userId) { 11880 synchronized (mPackages) { 11881 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11882 } 11883 } 11884 11885 @Override 11886 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11887 mContext.enforceCallingOrSelfPermission( 11888 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11889 11890 boolean result = false; 11891 synchronized (mPackages) { 11892 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11893 } 11894 if (result) { 11895 scheduleWritePackageRestrictionsLocked(userId); 11896 } 11897 return result; 11898 } 11899 11900 @Override 11901 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11902 String packageName) { 11903 synchronized (mPackages) { 11904 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11905 } 11906 } 11907 11908 @Override 11909 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11910 if (TextUtils.isEmpty(packageName)) { 11911 return ParceledListSlice.emptyList(); 11912 } 11913 synchronized (mPackages) { 11914 PackageParser.Package pkg = mPackages.get(packageName); 11915 if (pkg == null || pkg.activities == null) { 11916 return ParceledListSlice.emptyList(); 11917 } 11918 final int count = pkg.activities.size(); 11919 ArrayList<IntentFilter> result = new ArrayList<>(); 11920 for (int n=0; n<count; n++) { 11921 PackageParser.Activity activity = pkg.activities.get(n); 11922 if (activity.intents != null && activity.intents.size() > 0) { 11923 result.addAll(activity.intents); 11924 } 11925 } 11926 return new ParceledListSlice<>(result); 11927 } 11928 } 11929 11930 @Override 11931 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11932 mContext.enforceCallingOrSelfPermission( 11933 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11934 11935 synchronized (mPackages) { 11936 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11937 if (packageName != null) { 11938 result |= updateIntentVerificationStatus(packageName, 11939 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11940 userId); 11941 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11942 packageName, userId); 11943 } 11944 return result; 11945 } 11946 } 11947 11948 @Override 11949 public String getDefaultBrowserPackageName(int userId) { 11950 synchronized (mPackages) { 11951 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11952 } 11953 } 11954 11955 /** 11956 * Get the "allow unknown sources" setting. 11957 * 11958 * @return the current "allow unknown sources" setting 11959 */ 11960 private int getUnknownSourcesSettings() { 11961 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 11962 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 11963 -1); 11964 } 11965 11966 @Override 11967 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11968 final int uid = Binder.getCallingUid(); 11969 // writer 11970 synchronized (mPackages) { 11971 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11972 if (targetPackageSetting == null) { 11973 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11974 } 11975 11976 PackageSetting installerPackageSetting; 11977 if (installerPackageName != null) { 11978 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11979 if (installerPackageSetting == null) { 11980 throw new IllegalArgumentException("Unknown installer package: " 11981 + installerPackageName); 11982 } 11983 } else { 11984 installerPackageSetting = null; 11985 } 11986 11987 Signature[] callerSignature; 11988 Object obj = mSettings.getUserIdLPr(uid); 11989 if (obj != null) { 11990 if (obj instanceof SharedUserSetting) { 11991 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11992 } else if (obj instanceof PackageSetting) { 11993 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11994 } else { 11995 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11996 } 11997 } else { 11998 throw new SecurityException("Unknown calling UID: " + uid); 11999 } 12000 12001 // Verify: can't set installerPackageName to a package that is 12002 // not signed with the same cert as the caller. 12003 if (installerPackageSetting != null) { 12004 if (compareSignatures(callerSignature, 12005 installerPackageSetting.signatures.mSignatures) 12006 != PackageManager.SIGNATURE_MATCH) { 12007 throw new SecurityException( 12008 "Caller does not have same cert as new installer package " 12009 + installerPackageName); 12010 } 12011 } 12012 12013 // Verify: if target already has an installer package, it must 12014 // be signed with the same cert as the caller. 12015 if (targetPackageSetting.installerPackageName != null) { 12016 PackageSetting setting = mSettings.mPackages.get( 12017 targetPackageSetting.installerPackageName); 12018 // If the currently set package isn't valid, then it's always 12019 // okay to change it. 12020 if (setting != null) { 12021 if (compareSignatures(callerSignature, 12022 setting.signatures.mSignatures) 12023 != PackageManager.SIGNATURE_MATCH) { 12024 throw new SecurityException( 12025 "Caller does not have same cert as old installer package " 12026 + targetPackageSetting.installerPackageName); 12027 } 12028 } 12029 } 12030 12031 // Okay! 12032 targetPackageSetting.installerPackageName = installerPackageName; 12033 if (installerPackageName != null) { 12034 mSettings.mInstallerPackages.add(installerPackageName); 12035 } 12036 scheduleWriteSettingsLocked(); 12037 } 12038 } 12039 12040 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12041 // Queue up an async operation since the package installation may take a little while. 12042 mHandler.post(new Runnable() { 12043 public void run() { 12044 mHandler.removeCallbacks(this); 12045 // Result object to be returned 12046 PackageInstalledInfo res = new PackageInstalledInfo(); 12047 res.setReturnCode(currentStatus); 12048 res.uid = -1; 12049 res.pkg = null; 12050 res.removedInfo = null; 12051 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12052 args.doPreInstall(res.returnCode); 12053 synchronized (mInstallLock) { 12054 installPackageTracedLI(args, res); 12055 } 12056 args.doPostInstall(res.returnCode, res.uid); 12057 } 12058 12059 // A restore should be performed at this point if (a) the install 12060 // succeeded, (b) the operation is not an update, and (c) the new 12061 // package has not opted out of backup participation. 12062 final boolean update = res.removedInfo != null 12063 && res.removedInfo.removedPackage != null; 12064 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12065 boolean doRestore = !update 12066 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12067 12068 // Set up the post-install work request bookkeeping. This will be used 12069 // and cleaned up by the post-install event handling regardless of whether 12070 // there's a restore pass performed. Token values are >= 1. 12071 int token; 12072 if (mNextInstallToken < 0) mNextInstallToken = 1; 12073 token = mNextInstallToken++; 12074 12075 PostInstallData data = new PostInstallData(args, res); 12076 mRunningInstalls.put(token, data); 12077 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12078 12079 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12080 // Pass responsibility to the Backup Manager. It will perform a 12081 // restore if appropriate, then pass responsibility back to the 12082 // Package Manager to run the post-install observer callbacks 12083 // and broadcasts. 12084 IBackupManager bm = IBackupManager.Stub.asInterface( 12085 ServiceManager.getService(Context.BACKUP_SERVICE)); 12086 if (bm != null) { 12087 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12088 + " to BM for possible restore"); 12089 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12090 try { 12091 // TODO: http://b/22388012 12092 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12093 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12094 } else { 12095 doRestore = false; 12096 } 12097 } catch (RemoteException e) { 12098 // can't happen; the backup manager is local 12099 } catch (Exception e) { 12100 Slog.e(TAG, "Exception trying to enqueue restore", e); 12101 doRestore = false; 12102 } 12103 } else { 12104 Slog.e(TAG, "Backup Manager not found!"); 12105 doRestore = false; 12106 } 12107 } 12108 12109 if (!doRestore) { 12110 // No restore possible, or the Backup Manager was mysteriously not 12111 // available -- just fire the post-install work request directly. 12112 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12113 12114 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12115 12116 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12117 mHandler.sendMessage(msg); 12118 } 12119 } 12120 }); 12121 } 12122 12123 /** 12124 * Callback from PackageSettings whenever an app is first transitioned out of the 12125 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12126 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12127 * here whether the app is the target of an ongoing install, and only send the 12128 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12129 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12130 * handling. 12131 */ 12132 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12133 // Serialize this with the rest of the install-process message chain. In the 12134 // restore-at-install case, this Runnable will necessarily run before the 12135 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12136 // are coherent. In the non-restore case, the app has already completed install 12137 // and been launched through some other means, so it is not in a problematic 12138 // state for observers to see the FIRST_LAUNCH signal. 12139 mHandler.post(new Runnable() { 12140 @Override 12141 public void run() { 12142 for (int i = 0; i < mRunningInstalls.size(); i++) { 12143 final PostInstallData data = mRunningInstalls.valueAt(i); 12144 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12145 // right package; but is it for the right user? 12146 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12147 if (userId == data.res.newUsers[uIndex]) { 12148 if (DEBUG_BACKUP) { 12149 Slog.i(TAG, "Package " + pkgName 12150 + " being restored so deferring FIRST_LAUNCH"); 12151 } 12152 return; 12153 } 12154 } 12155 } 12156 } 12157 // didn't find it, so not being restored 12158 if (DEBUG_BACKUP) { 12159 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12160 } 12161 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12162 } 12163 }); 12164 } 12165 12166 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12167 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12168 installerPkg, null, userIds); 12169 } 12170 12171 private abstract class HandlerParams { 12172 private static final int MAX_RETRIES = 4; 12173 12174 /** 12175 * Number of times startCopy() has been attempted and had a non-fatal 12176 * error. 12177 */ 12178 private int mRetries = 0; 12179 12180 /** User handle for the user requesting the information or installation. */ 12181 private final UserHandle mUser; 12182 String traceMethod; 12183 int traceCookie; 12184 12185 HandlerParams(UserHandle user) { 12186 mUser = user; 12187 } 12188 12189 UserHandle getUser() { 12190 return mUser; 12191 } 12192 12193 HandlerParams setTraceMethod(String traceMethod) { 12194 this.traceMethod = traceMethod; 12195 return this; 12196 } 12197 12198 HandlerParams setTraceCookie(int traceCookie) { 12199 this.traceCookie = traceCookie; 12200 return this; 12201 } 12202 12203 final boolean startCopy() { 12204 boolean res; 12205 try { 12206 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12207 12208 if (++mRetries > MAX_RETRIES) { 12209 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12210 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12211 handleServiceError(); 12212 return false; 12213 } else { 12214 handleStartCopy(); 12215 res = true; 12216 } 12217 } catch (RemoteException e) { 12218 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12219 mHandler.sendEmptyMessage(MCS_RECONNECT); 12220 res = false; 12221 } 12222 handleReturnCode(); 12223 return res; 12224 } 12225 12226 final void serviceError() { 12227 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12228 handleServiceError(); 12229 handleReturnCode(); 12230 } 12231 12232 abstract void handleStartCopy() throws RemoteException; 12233 abstract void handleServiceError(); 12234 abstract void handleReturnCode(); 12235 } 12236 12237 class MeasureParams extends HandlerParams { 12238 private final PackageStats mStats; 12239 private boolean mSuccess; 12240 12241 private final IPackageStatsObserver mObserver; 12242 12243 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12244 super(new UserHandle(stats.userHandle)); 12245 mObserver = observer; 12246 mStats = stats; 12247 } 12248 12249 @Override 12250 public String toString() { 12251 return "MeasureParams{" 12252 + Integer.toHexString(System.identityHashCode(this)) 12253 + " " + mStats.packageName + "}"; 12254 } 12255 12256 @Override 12257 void handleStartCopy() throws RemoteException { 12258 synchronized (mInstallLock) { 12259 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12260 } 12261 12262 if (mSuccess) { 12263 final boolean mounted; 12264 if (Environment.isExternalStorageEmulated()) { 12265 mounted = true; 12266 } else { 12267 final String status = Environment.getExternalStorageState(); 12268 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12269 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12270 } 12271 12272 if (mounted) { 12273 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12274 12275 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12276 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12277 12278 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12279 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12280 12281 // Always subtract cache size, since it's a subdirectory 12282 mStats.externalDataSize -= mStats.externalCacheSize; 12283 12284 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12285 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12286 12287 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12288 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12289 } 12290 } 12291 } 12292 12293 @Override 12294 void handleReturnCode() { 12295 if (mObserver != null) { 12296 try { 12297 mObserver.onGetStatsCompleted(mStats, mSuccess); 12298 } catch (RemoteException e) { 12299 Slog.i(TAG, "Observer no longer exists."); 12300 } 12301 } 12302 } 12303 12304 @Override 12305 void handleServiceError() { 12306 Slog.e(TAG, "Could not measure application " + mStats.packageName 12307 + " external storage"); 12308 } 12309 } 12310 12311 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12312 throws RemoteException { 12313 long result = 0; 12314 for (File path : paths) { 12315 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12316 } 12317 return result; 12318 } 12319 12320 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12321 for (File path : paths) { 12322 try { 12323 mcs.clearDirectory(path.getAbsolutePath()); 12324 } catch (RemoteException e) { 12325 } 12326 } 12327 } 12328 12329 static class OriginInfo { 12330 /** 12331 * Location where install is coming from, before it has been 12332 * copied/renamed into place. This could be a single monolithic APK 12333 * file, or a cluster directory. This location may be untrusted. 12334 */ 12335 final File file; 12336 final String cid; 12337 12338 /** 12339 * Flag indicating that {@link #file} or {@link #cid} has already been 12340 * staged, meaning downstream users don't need to defensively copy the 12341 * contents. 12342 */ 12343 final boolean staged; 12344 12345 /** 12346 * Flag indicating that {@link #file} or {@link #cid} is an already 12347 * installed app that is being moved. 12348 */ 12349 final boolean existing; 12350 12351 final String resolvedPath; 12352 final File resolvedFile; 12353 12354 static OriginInfo fromNothing() { 12355 return new OriginInfo(null, null, false, false); 12356 } 12357 12358 static OriginInfo fromUntrustedFile(File file) { 12359 return new OriginInfo(file, null, false, false); 12360 } 12361 12362 static OriginInfo fromExistingFile(File file) { 12363 return new OriginInfo(file, null, false, true); 12364 } 12365 12366 static OriginInfo fromStagedFile(File file) { 12367 return new OriginInfo(file, null, true, false); 12368 } 12369 12370 static OriginInfo fromStagedContainer(String cid) { 12371 return new OriginInfo(null, cid, true, false); 12372 } 12373 12374 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12375 this.file = file; 12376 this.cid = cid; 12377 this.staged = staged; 12378 this.existing = existing; 12379 12380 if (cid != null) { 12381 resolvedPath = PackageHelper.getSdDir(cid); 12382 resolvedFile = new File(resolvedPath); 12383 } else if (file != null) { 12384 resolvedPath = file.getAbsolutePath(); 12385 resolvedFile = file; 12386 } else { 12387 resolvedPath = null; 12388 resolvedFile = null; 12389 } 12390 } 12391 } 12392 12393 static class MoveInfo { 12394 final int moveId; 12395 final String fromUuid; 12396 final String toUuid; 12397 final String packageName; 12398 final String dataAppName; 12399 final int appId; 12400 final String seinfo; 12401 final int targetSdkVersion; 12402 12403 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12404 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12405 this.moveId = moveId; 12406 this.fromUuid = fromUuid; 12407 this.toUuid = toUuid; 12408 this.packageName = packageName; 12409 this.dataAppName = dataAppName; 12410 this.appId = appId; 12411 this.seinfo = seinfo; 12412 this.targetSdkVersion = targetSdkVersion; 12413 } 12414 } 12415 12416 static class VerificationInfo { 12417 /** A constant used to indicate that a uid value is not present. */ 12418 public static final int NO_UID = -1; 12419 12420 /** URI referencing where the package was downloaded from. */ 12421 final Uri originatingUri; 12422 12423 /** HTTP referrer URI associated with the originatingURI. */ 12424 final Uri referrer; 12425 12426 /** UID of the application that the install request originated from. */ 12427 final int originatingUid; 12428 12429 /** UID of application requesting the install */ 12430 final int installerUid; 12431 12432 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12433 this.originatingUri = originatingUri; 12434 this.referrer = referrer; 12435 this.originatingUid = originatingUid; 12436 this.installerUid = installerUid; 12437 } 12438 } 12439 12440 class InstallParams extends HandlerParams { 12441 final OriginInfo origin; 12442 final MoveInfo move; 12443 final IPackageInstallObserver2 observer; 12444 int installFlags; 12445 final String installerPackageName; 12446 final String volumeUuid; 12447 private InstallArgs mArgs; 12448 private int mRet; 12449 final String packageAbiOverride; 12450 final String[] grantedRuntimePermissions; 12451 final VerificationInfo verificationInfo; 12452 final Certificate[][] certificates; 12453 12454 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12455 int installFlags, String installerPackageName, String volumeUuid, 12456 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12457 String[] grantedPermissions, Certificate[][] certificates) { 12458 super(user); 12459 this.origin = origin; 12460 this.move = move; 12461 this.observer = observer; 12462 this.installFlags = installFlags; 12463 this.installerPackageName = installerPackageName; 12464 this.volumeUuid = volumeUuid; 12465 this.verificationInfo = verificationInfo; 12466 this.packageAbiOverride = packageAbiOverride; 12467 this.grantedRuntimePermissions = grantedPermissions; 12468 this.certificates = certificates; 12469 } 12470 12471 @Override 12472 public String toString() { 12473 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12474 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12475 } 12476 12477 private int installLocationPolicy(PackageInfoLite pkgLite) { 12478 String packageName = pkgLite.packageName; 12479 int installLocation = pkgLite.installLocation; 12480 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12481 // reader 12482 synchronized (mPackages) { 12483 // Currently installed package which the new package is attempting to replace or 12484 // null if no such package is installed. 12485 PackageParser.Package installedPkg = mPackages.get(packageName); 12486 // Package which currently owns the data which the new package will own if installed. 12487 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12488 // will be null whereas dataOwnerPkg will contain information about the package 12489 // which was uninstalled while keeping its data. 12490 PackageParser.Package dataOwnerPkg = installedPkg; 12491 if (dataOwnerPkg == null) { 12492 PackageSetting ps = mSettings.mPackages.get(packageName); 12493 if (ps != null) { 12494 dataOwnerPkg = ps.pkg; 12495 } 12496 } 12497 12498 if (dataOwnerPkg != null) { 12499 // If installed, the package will get access to data left on the device by its 12500 // predecessor. As a security measure, this is permited only if this is not a 12501 // version downgrade or if the predecessor package is marked as debuggable and 12502 // a downgrade is explicitly requested. 12503 // 12504 // On debuggable platform builds, downgrades are permitted even for 12505 // non-debuggable packages to make testing easier. Debuggable platform builds do 12506 // not offer security guarantees and thus it's OK to disable some security 12507 // mechanisms to make debugging/testing easier on those builds. However, even on 12508 // debuggable builds downgrades of packages are permitted only if requested via 12509 // installFlags. This is because we aim to keep the behavior of debuggable 12510 // platform builds as close as possible to the behavior of non-debuggable 12511 // platform builds. 12512 final boolean downgradeRequested = 12513 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12514 final boolean packageDebuggable = 12515 (dataOwnerPkg.applicationInfo.flags 12516 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12517 final boolean downgradePermitted = 12518 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12519 if (!downgradePermitted) { 12520 try { 12521 checkDowngrade(dataOwnerPkg, pkgLite); 12522 } catch (PackageManagerException e) { 12523 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12524 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12525 } 12526 } 12527 } 12528 12529 if (installedPkg != null) { 12530 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12531 // Check for updated system application. 12532 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12533 if (onSd) { 12534 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12535 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12536 } 12537 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12538 } else { 12539 if (onSd) { 12540 // Install flag overrides everything. 12541 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12542 } 12543 // If current upgrade specifies particular preference 12544 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12545 // Application explicitly specified internal. 12546 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12547 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12548 // App explictly prefers external. Let policy decide 12549 } else { 12550 // Prefer previous location 12551 if (isExternal(installedPkg)) { 12552 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12553 } 12554 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12555 } 12556 } 12557 } else { 12558 // Invalid install. Return error code 12559 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12560 } 12561 } 12562 } 12563 // All the special cases have been taken care of. 12564 // Return result based on recommended install location. 12565 if (onSd) { 12566 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12567 } 12568 return pkgLite.recommendedInstallLocation; 12569 } 12570 12571 /* 12572 * Invoke remote method to get package information and install 12573 * location values. Override install location based on default 12574 * policy if needed and then create install arguments based 12575 * on the install location. 12576 */ 12577 public void handleStartCopy() throws RemoteException { 12578 int ret = PackageManager.INSTALL_SUCCEEDED; 12579 12580 // If we're already staged, we've firmly committed to an install location 12581 if (origin.staged) { 12582 if (origin.file != null) { 12583 installFlags |= PackageManager.INSTALL_INTERNAL; 12584 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12585 } else if (origin.cid != null) { 12586 installFlags |= PackageManager.INSTALL_EXTERNAL; 12587 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12588 } else { 12589 throw new IllegalStateException("Invalid stage location"); 12590 } 12591 } 12592 12593 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12594 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12595 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12596 PackageInfoLite pkgLite = null; 12597 12598 if (onInt && onSd) { 12599 // Check if both bits are set. 12600 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12601 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12602 } else if (onSd && ephemeral) { 12603 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12604 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12605 } else { 12606 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12607 packageAbiOverride); 12608 12609 if (DEBUG_EPHEMERAL && ephemeral) { 12610 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12611 } 12612 12613 /* 12614 * If we have too little free space, try to free cache 12615 * before giving up. 12616 */ 12617 if (!origin.staged && pkgLite.recommendedInstallLocation 12618 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12619 // TODO: focus freeing disk space on the target device 12620 final StorageManager storage = StorageManager.from(mContext); 12621 final long lowThreshold = storage.getStorageLowBytes( 12622 Environment.getDataDirectory()); 12623 12624 final long sizeBytes = mContainerService.calculateInstalledSize( 12625 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12626 12627 try { 12628 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12629 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12630 installFlags, packageAbiOverride); 12631 } catch (InstallerException e) { 12632 Slog.w(TAG, "Failed to free cache", e); 12633 } 12634 12635 /* 12636 * The cache free must have deleted the file we 12637 * downloaded to install. 12638 * 12639 * TODO: fix the "freeCache" call to not delete 12640 * the file we care about. 12641 */ 12642 if (pkgLite.recommendedInstallLocation 12643 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12644 pkgLite.recommendedInstallLocation 12645 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12646 } 12647 } 12648 } 12649 12650 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12651 int loc = pkgLite.recommendedInstallLocation; 12652 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12653 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12654 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12655 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12656 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12657 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12658 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12659 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12660 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12661 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12662 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12663 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12664 } else { 12665 // Override with defaults if needed. 12666 loc = installLocationPolicy(pkgLite); 12667 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12668 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12669 } else if (!onSd && !onInt) { 12670 // Override install location with flags 12671 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12672 // Set the flag to install on external media. 12673 installFlags |= PackageManager.INSTALL_EXTERNAL; 12674 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12675 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12676 if (DEBUG_EPHEMERAL) { 12677 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12678 } 12679 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12680 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12681 |PackageManager.INSTALL_INTERNAL); 12682 } else { 12683 // Make sure the flag for installing on external 12684 // media is unset 12685 installFlags |= PackageManager.INSTALL_INTERNAL; 12686 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12687 } 12688 } 12689 } 12690 } 12691 12692 final InstallArgs args = createInstallArgs(this); 12693 mArgs = args; 12694 12695 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12696 // TODO: http://b/22976637 12697 // Apps installed for "all" users use the device owner to verify the app 12698 UserHandle verifierUser = getUser(); 12699 if (verifierUser == UserHandle.ALL) { 12700 verifierUser = UserHandle.SYSTEM; 12701 } 12702 12703 /* 12704 * Determine if we have any installed package verifiers. If we 12705 * do, then we'll defer to them to verify the packages. 12706 */ 12707 final int requiredUid = mRequiredVerifierPackage == null ? -1 12708 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12709 verifierUser.getIdentifier()); 12710 if (!origin.existing && requiredUid != -1 12711 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12712 final Intent verification = new Intent( 12713 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12714 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12715 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12716 PACKAGE_MIME_TYPE); 12717 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12718 12719 // Query all live verifiers based on current user state 12720 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12721 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12722 12723 if (DEBUG_VERIFY) { 12724 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12725 + verification.toString() + " with " + pkgLite.verifiers.length 12726 + " optional verifiers"); 12727 } 12728 12729 final int verificationId = mPendingVerificationToken++; 12730 12731 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12732 12733 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12734 installerPackageName); 12735 12736 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12737 installFlags); 12738 12739 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12740 pkgLite.packageName); 12741 12742 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12743 pkgLite.versionCode); 12744 12745 if (verificationInfo != null) { 12746 if (verificationInfo.originatingUri != null) { 12747 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12748 verificationInfo.originatingUri); 12749 } 12750 if (verificationInfo.referrer != null) { 12751 verification.putExtra(Intent.EXTRA_REFERRER, 12752 verificationInfo.referrer); 12753 } 12754 if (verificationInfo.originatingUid >= 0) { 12755 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12756 verificationInfo.originatingUid); 12757 } 12758 if (verificationInfo.installerUid >= 0) { 12759 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12760 verificationInfo.installerUid); 12761 } 12762 } 12763 12764 final PackageVerificationState verificationState = new PackageVerificationState( 12765 requiredUid, args); 12766 12767 mPendingVerification.append(verificationId, verificationState); 12768 12769 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12770 receivers, verificationState); 12771 12772 /* 12773 * If any sufficient verifiers were listed in the package 12774 * manifest, attempt to ask them. 12775 */ 12776 if (sufficientVerifiers != null) { 12777 final int N = sufficientVerifiers.size(); 12778 if (N == 0) { 12779 Slog.i(TAG, "Additional verifiers required, but none installed."); 12780 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12781 } else { 12782 for (int i = 0; i < N; i++) { 12783 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12784 12785 final Intent sufficientIntent = new Intent(verification); 12786 sufficientIntent.setComponent(verifierComponent); 12787 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12788 } 12789 } 12790 } 12791 12792 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12793 mRequiredVerifierPackage, receivers); 12794 if (ret == PackageManager.INSTALL_SUCCEEDED 12795 && mRequiredVerifierPackage != null) { 12796 Trace.asyncTraceBegin( 12797 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12798 /* 12799 * Send the intent to the required verification agent, 12800 * but only start the verification timeout after the 12801 * target BroadcastReceivers have run. 12802 */ 12803 verification.setComponent(requiredVerifierComponent); 12804 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12805 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12806 new BroadcastReceiver() { 12807 @Override 12808 public void onReceive(Context context, Intent intent) { 12809 final Message msg = mHandler 12810 .obtainMessage(CHECK_PENDING_VERIFICATION); 12811 msg.arg1 = verificationId; 12812 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12813 } 12814 }, null, 0, null, null); 12815 12816 /* 12817 * We don't want the copy to proceed until verification 12818 * succeeds, so null out this field. 12819 */ 12820 mArgs = null; 12821 } 12822 } else { 12823 /* 12824 * No package verification is enabled, so immediately start 12825 * the remote call to initiate copy using temporary file. 12826 */ 12827 ret = args.copyApk(mContainerService, true); 12828 } 12829 } 12830 12831 mRet = ret; 12832 } 12833 12834 @Override 12835 void handleReturnCode() { 12836 // If mArgs is null, then MCS couldn't be reached. When it 12837 // reconnects, it will try again to install. At that point, this 12838 // will succeed. 12839 if (mArgs != null) { 12840 processPendingInstall(mArgs, mRet); 12841 } 12842 } 12843 12844 @Override 12845 void handleServiceError() { 12846 mArgs = createInstallArgs(this); 12847 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12848 } 12849 12850 public boolean isForwardLocked() { 12851 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12852 } 12853 } 12854 12855 /** 12856 * Used during creation of InstallArgs 12857 * 12858 * @param installFlags package installation flags 12859 * @return true if should be installed on external storage 12860 */ 12861 private static boolean installOnExternalAsec(int installFlags) { 12862 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12863 return false; 12864 } 12865 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12866 return true; 12867 } 12868 return false; 12869 } 12870 12871 /** 12872 * Used during creation of InstallArgs 12873 * 12874 * @param installFlags package installation flags 12875 * @return true if should be installed as forward locked 12876 */ 12877 private static boolean installForwardLocked(int installFlags) { 12878 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12879 } 12880 12881 private InstallArgs createInstallArgs(InstallParams params) { 12882 if (params.move != null) { 12883 return new MoveInstallArgs(params); 12884 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12885 return new AsecInstallArgs(params); 12886 } else { 12887 return new FileInstallArgs(params); 12888 } 12889 } 12890 12891 /** 12892 * Create args that describe an existing installed package. Typically used 12893 * when cleaning up old installs, or used as a move source. 12894 */ 12895 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12896 String resourcePath, String[] instructionSets) { 12897 final boolean isInAsec; 12898 if (installOnExternalAsec(installFlags)) { 12899 /* Apps on SD card are always in ASEC containers. */ 12900 isInAsec = true; 12901 } else if (installForwardLocked(installFlags) 12902 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12903 /* 12904 * Forward-locked apps are only in ASEC containers if they're the 12905 * new style 12906 */ 12907 isInAsec = true; 12908 } else { 12909 isInAsec = false; 12910 } 12911 12912 if (isInAsec) { 12913 return new AsecInstallArgs(codePath, instructionSets, 12914 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12915 } else { 12916 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12917 } 12918 } 12919 12920 static abstract class InstallArgs { 12921 /** @see InstallParams#origin */ 12922 final OriginInfo origin; 12923 /** @see InstallParams#move */ 12924 final MoveInfo move; 12925 12926 final IPackageInstallObserver2 observer; 12927 // Always refers to PackageManager flags only 12928 final int installFlags; 12929 final String installerPackageName; 12930 final String volumeUuid; 12931 final UserHandle user; 12932 final String abiOverride; 12933 final String[] installGrantPermissions; 12934 /** If non-null, drop an async trace when the install completes */ 12935 final String traceMethod; 12936 final int traceCookie; 12937 final Certificate[][] certificates; 12938 12939 // The list of instruction sets supported by this app. This is currently 12940 // only used during the rmdex() phase to clean up resources. We can get rid of this 12941 // if we move dex files under the common app path. 12942 /* nullable */ String[] instructionSets; 12943 12944 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12945 int installFlags, String installerPackageName, String volumeUuid, 12946 UserHandle user, String[] instructionSets, 12947 String abiOverride, String[] installGrantPermissions, 12948 String traceMethod, int traceCookie, Certificate[][] certificates) { 12949 this.origin = origin; 12950 this.move = move; 12951 this.installFlags = installFlags; 12952 this.observer = observer; 12953 this.installerPackageName = installerPackageName; 12954 this.volumeUuid = volumeUuid; 12955 this.user = user; 12956 this.instructionSets = instructionSets; 12957 this.abiOverride = abiOverride; 12958 this.installGrantPermissions = installGrantPermissions; 12959 this.traceMethod = traceMethod; 12960 this.traceCookie = traceCookie; 12961 this.certificates = certificates; 12962 } 12963 12964 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12965 abstract int doPreInstall(int status); 12966 12967 /** 12968 * Rename package into final resting place. All paths on the given 12969 * scanned package should be updated to reflect the rename. 12970 */ 12971 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12972 abstract int doPostInstall(int status, int uid); 12973 12974 /** @see PackageSettingBase#codePathString */ 12975 abstract String getCodePath(); 12976 /** @see PackageSettingBase#resourcePathString */ 12977 abstract String getResourcePath(); 12978 12979 // Need installer lock especially for dex file removal. 12980 abstract void cleanUpResourcesLI(); 12981 abstract boolean doPostDeleteLI(boolean delete); 12982 12983 /** 12984 * Called before the source arguments are copied. This is used mostly 12985 * for MoveParams when it needs to read the source file to put it in the 12986 * destination. 12987 */ 12988 int doPreCopy() { 12989 return PackageManager.INSTALL_SUCCEEDED; 12990 } 12991 12992 /** 12993 * Called after the source arguments are copied. This is used mostly for 12994 * MoveParams when it needs to read the source file to put it in the 12995 * destination. 12996 */ 12997 int doPostCopy(int uid) { 12998 return PackageManager.INSTALL_SUCCEEDED; 12999 } 13000 13001 protected boolean isFwdLocked() { 13002 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13003 } 13004 13005 protected boolean isExternalAsec() { 13006 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13007 } 13008 13009 protected boolean isEphemeral() { 13010 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13011 } 13012 13013 UserHandle getUser() { 13014 return user; 13015 } 13016 } 13017 13018 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13019 if (!allCodePaths.isEmpty()) { 13020 if (instructionSets == null) { 13021 throw new IllegalStateException("instructionSet == null"); 13022 } 13023 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13024 for (String codePath : allCodePaths) { 13025 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13026 try { 13027 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13028 } catch (InstallerException ignored) { 13029 } 13030 } 13031 } 13032 } 13033 } 13034 13035 /** 13036 * Logic to handle installation of non-ASEC applications, including copying 13037 * and renaming logic. 13038 */ 13039 class FileInstallArgs extends InstallArgs { 13040 private File codeFile; 13041 private File resourceFile; 13042 13043 // Example topology: 13044 // /data/app/com.example/base.apk 13045 // /data/app/com.example/split_foo.apk 13046 // /data/app/com.example/lib/arm/libfoo.so 13047 // /data/app/com.example/lib/arm64/libfoo.so 13048 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13049 13050 /** New install */ 13051 FileInstallArgs(InstallParams params) { 13052 super(params.origin, params.move, params.observer, params.installFlags, 13053 params.installerPackageName, params.volumeUuid, 13054 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13055 params.grantedRuntimePermissions, 13056 params.traceMethod, params.traceCookie, params.certificates); 13057 if (isFwdLocked()) { 13058 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13059 } 13060 } 13061 13062 /** Existing install */ 13063 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13064 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13065 null, null, null, 0, null /*certificates*/); 13066 this.codeFile = (codePath != null) ? new File(codePath) : null; 13067 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13068 } 13069 13070 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13071 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13072 try { 13073 return doCopyApk(imcs, temp); 13074 } finally { 13075 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13076 } 13077 } 13078 13079 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13080 if (origin.staged) { 13081 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13082 codeFile = origin.file; 13083 resourceFile = origin.file; 13084 return PackageManager.INSTALL_SUCCEEDED; 13085 } 13086 13087 try { 13088 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13089 final File tempDir = 13090 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13091 codeFile = tempDir; 13092 resourceFile = tempDir; 13093 } catch (IOException e) { 13094 Slog.w(TAG, "Failed to create copy file: " + e); 13095 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13096 } 13097 13098 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13099 @Override 13100 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13101 if (!FileUtils.isValidExtFilename(name)) { 13102 throw new IllegalArgumentException("Invalid filename: " + name); 13103 } 13104 try { 13105 final File file = new File(codeFile, name); 13106 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13107 O_RDWR | O_CREAT, 0644); 13108 Os.chmod(file.getAbsolutePath(), 0644); 13109 return new ParcelFileDescriptor(fd); 13110 } catch (ErrnoException e) { 13111 throw new RemoteException("Failed to open: " + e.getMessage()); 13112 } 13113 } 13114 }; 13115 13116 int ret = PackageManager.INSTALL_SUCCEEDED; 13117 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13118 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13119 Slog.e(TAG, "Failed to copy package"); 13120 return ret; 13121 } 13122 13123 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13124 NativeLibraryHelper.Handle handle = null; 13125 try { 13126 handle = NativeLibraryHelper.Handle.create(codeFile); 13127 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13128 abiOverride); 13129 } catch (IOException e) { 13130 Slog.e(TAG, "Copying native libraries failed", e); 13131 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13132 } finally { 13133 IoUtils.closeQuietly(handle); 13134 } 13135 13136 return ret; 13137 } 13138 13139 int doPreInstall(int status) { 13140 if (status != PackageManager.INSTALL_SUCCEEDED) { 13141 cleanUp(); 13142 } 13143 return status; 13144 } 13145 13146 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13147 if (status != PackageManager.INSTALL_SUCCEEDED) { 13148 cleanUp(); 13149 return false; 13150 } 13151 13152 final File targetDir = codeFile.getParentFile(); 13153 final File beforeCodeFile = codeFile; 13154 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13155 13156 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13157 try { 13158 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13159 } catch (ErrnoException e) { 13160 Slog.w(TAG, "Failed to rename", e); 13161 return false; 13162 } 13163 13164 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13165 Slog.w(TAG, "Failed to restorecon"); 13166 return false; 13167 } 13168 13169 // Reflect the rename internally 13170 codeFile = afterCodeFile; 13171 resourceFile = afterCodeFile; 13172 13173 // Reflect the rename in scanned details 13174 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13175 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13176 afterCodeFile, pkg.baseCodePath)); 13177 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13178 afterCodeFile, pkg.splitCodePaths)); 13179 13180 // Reflect the rename in app info 13181 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13182 pkg.setApplicationInfoCodePath(pkg.codePath); 13183 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13184 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13185 pkg.setApplicationInfoResourcePath(pkg.codePath); 13186 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13187 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13188 13189 return true; 13190 } 13191 13192 int doPostInstall(int status, int uid) { 13193 if (status != PackageManager.INSTALL_SUCCEEDED) { 13194 cleanUp(); 13195 } 13196 return status; 13197 } 13198 13199 @Override 13200 String getCodePath() { 13201 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13202 } 13203 13204 @Override 13205 String getResourcePath() { 13206 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13207 } 13208 13209 private boolean cleanUp() { 13210 if (codeFile == null || !codeFile.exists()) { 13211 return false; 13212 } 13213 13214 removeCodePathLI(codeFile); 13215 13216 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13217 resourceFile.delete(); 13218 } 13219 13220 return true; 13221 } 13222 13223 void cleanUpResourcesLI() { 13224 // Try enumerating all code paths before deleting 13225 List<String> allCodePaths = Collections.EMPTY_LIST; 13226 if (codeFile != null && codeFile.exists()) { 13227 try { 13228 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13229 allCodePaths = pkg.getAllCodePaths(); 13230 } catch (PackageParserException e) { 13231 // Ignored; we tried our best 13232 } 13233 } 13234 13235 cleanUp(); 13236 removeDexFiles(allCodePaths, instructionSets); 13237 } 13238 13239 boolean doPostDeleteLI(boolean delete) { 13240 // XXX err, shouldn't we respect the delete flag? 13241 cleanUpResourcesLI(); 13242 return true; 13243 } 13244 } 13245 13246 private boolean isAsecExternal(String cid) { 13247 final String asecPath = PackageHelper.getSdFilesystem(cid); 13248 return !asecPath.startsWith(mAsecInternalPath); 13249 } 13250 13251 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13252 PackageManagerException { 13253 if (copyRet < 0) { 13254 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13255 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13256 throw new PackageManagerException(copyRet, message); 13257 } 13258 } 13259 } 13260 13261 /** 13262 * Extract the MountService "container ID" from the full code path of an 13263 * .apk. 13264 */ 13265 static String cidFromCodePath(String fullCodePath) { 13266 int eidx = fullCodePath.lastIndexOf("/"); 13267 String subStr1 = fullCodePath.substring(0, eidx); 13268 int sidx = subStr1.lastIndexOf("/"); 13269 return subStr1.substring(sidx+1, eidx); 13270 } 13271 13272 /** 13273 * Logic to handle installation of ASEC applications, including copying and 13274 * renaming logic. 13275 */ 13276 class AsecInstallArgs extends InstallArgs { 13277 static final String RES_FILE_NAME = "pkg.apk"; 13278 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13279 13280 String cid; 13281 String packagePath; 13282 String resourcePath; 13283 13284 /** New install */ 13285 AsecInstallArgs(InstallParams params) { 13286 super(params.origin, params.move, params.observer, params.installFlags, 13287 params.installerPackageName, params.volumeUuid, 13288 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13289 params.grantedRuntimePermissions, 13290 params.traceMethod, params.traceCookie, params.certificates); 13291 } 13292 13293 /** Existing install */ 13294 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13295 boolean isExternal, boolean isForwardLocked) { 13296 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13297 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13298 instructionSets, null, null, null, 0, null /*certificates*/); 13299 // Hackily pretend we're still looking at a full code path 13300 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13301 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13302 } 13303 13304 // Extract cid from fullCodePath 13305 int eidx = fullCodePath.lastIndexOf("/"); 13306 String subStr1 = fullCodePath.substring(0, eidx); 13307 int sidx = subStr1.lastIndexOf("/"); 13308 cid = subStr1.substring(sidx+1, eidx); 13309 setMountPath(subStr1); 13310 } 13311 13312 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13313 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13314 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13315 instructionSets, null, null, null, 0, null /*certificates*/); 13316 this.cid = cid; 13317 setMountPath(PackageHelper.getSdDir(cid)); 13318 } 13319 13320 void createCopyFile() { 13321 cid = mInstallerService.allocateExternalStageCidLegacy(); 13322 } 13323 13324 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13325 if (origin.staged && origin.cid != null) { 13326 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13327 cid = origin.cid; 13328 setMountPath(PackageHelper.getSdDir(cid)); 13329 return PackageManager.INSTALL_SUCCEEDED; 13330 } 13331 13332 if (temp) { 13333 createCopyFile(); 13334 } else { 13335 /* 13336 * Pre-emptively destroy the container since it's destroyed if 13337 * copying fails due to it existing anyway. 13338 */ 13339 PackageHelper.destroySdDir(cid); 13340 } 13341 13342 final String newMountPath = imcs.copyPackageToContainer( 13343 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13344 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13345 13346 if (newMountPath != null) { 13347 setMountPath(newMountPath); 13348 return PackageManager.INSTALL_SUCCEEDED; 13349 } else { 13350 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13351 } 13352 } 13353 13354 @Override 13355 String getCodePath() { 13356 return packagePath; 13357 } 13358 13359 @Override 13360 String getResourcePath() { 13361 return resourcePath; 13362 } 13363 13364 int doPreInstall(int status) { 13365 if (status != PackageManager.INSTALL_SUCCEEDED) { 13366 // Destroy container 13367 PackageHelper.destroySdDir(cid); 13368 } else { 13369 boolean mounted = PackageHelper.isContainerMounted(cid); 13370 if (!mounted) { 13371 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13372 Process.SYSTEM_UID); 13373 if (newMountPath != null) { 13374 setMountPath(newMountPath); 13375 } else { 13376 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13377 } 13378 } 13379 } 13380 return status; 13381 } 13382 13383 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13384 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13385 String newMountPath = null; 13386 if (PackageHelper.isContainerMounted(cid)) { 13387 // Unmount the container 13388 if (!PackageHelper.unMountSdDir(cid)) { 13389 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13390 return false; 13391 } 13392 } 13393 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13394 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13395 " which might be stale. Will try to clean up."); 13396 // Clean up the stale container and proceed to recreate. 13397 if (!PackageHelper.destroySdDir(newCacheId)) { 13398 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13399 return false; 13400 } 13401 // Successfully cleaned up stale container. Try to rename again. 13402 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13403 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13404 + " inspite of cleaning it up."); 13405 return false; 13406 } 13407 } 13408 if (!PackageHelper.isContainerMounted(newCacheId)) { 13409 Slog.w(TAG, "Mounting container " + newCacheId); 13410 newMountPath = PackageHelper.mountSdDir(newCacheId, 13411 getEncryptKey(), Process.SYSTEM_UID); 13412 } else { 13413 newMountPath = PackageHelper.getSdDir(newCacheId); 13414 } 13415 if (newMountPath == null) { 13416 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13417 return false; 13418 } 13419 Log.i(TAG, "Succesfully renamed " + cid + 13420 " to " + newCacheId + 13421 " at new path: " + newMountPath); 13422 cid = newCacheId; 13423 13424 final File beforeCodeFile = new File(packagePath); 13425 setMountPath(newMountPath); 13426 final File afterCodeFile = new File(packagePath); 13427 13428 // Reflect the rename in scanned details 13429 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13430 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13431 afterCodeFile, pkg.baseCodePath)); 13432 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13433 afterCodeFile, pkg.splitCodePaths)); 13434 13435 // Reflect the rename in app info 13436 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13437 pkg.setApplicationInfoCodePath(pkg.codePath); 13438 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13439 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13440 pkg.setApplicationInfoResourcePath(pkg.codePath); 13441 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13442 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13443 13444 return true; 13445 } 13446 13447 private void setMountPath(String mountPath) { 13448 final File mountFile = new File(mountPath); 13449 13450 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13451 if (monolithicFile.exists()) { 13452 packagePath = monolithicFile.getAbsolutePath(); 13453 if (isFwdLocked()) { 13454 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13455 } else { 13456 resourcePath = packagePath; 13457 } 13458 } else { 13459 packagePath = mountFile.getAbsolutePath(); 13460 resourcePath = packagePath; 13461 } 13462 } 13463 13464 int doPostInstall(int status, int uid) { 13465 if (status != PackageManager.INSTALL_SUCCEEDED) { 13466 cleanUp(); 13467 } else { 13468 final int groupOwner; 13469 final String protectedFile; 13470 if (isFwdLocked()) { 13471 groupOwner = UserHandle.getSharedAppGid(uid); 13472 protectedFile = RES_FILE_NAME; 13473 } else { 13474 groupOwner = -1; 13475 protectedFile = null; 13476 } 13477 13478 if (uid < Process.FIRST_APPLICATION_UID 13479 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13480 Slog.e(TAG, "Failed to finalize " + cid); 13481 PackageHelper.destroySdDir(cid); 13482 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13483 } 13484 13485 boolean mounted = PackageHelper.isContainerMounted(cid); 13486 if (!mounted) { 13487 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13488 } 13489 } 13490 return status; 13491 } 13492 13493 private void cleanUp() { 13494 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13495 13496 // Destroy secure container 13497 PackageHelper.destroySdDir(cid); 13498 } 13499 13500 private List<String> getAllCodePaths() { 13501 final File codeFile = new File(getCodePath()); 13502 if (codeFile != null && codeFile.exists()) { 13503 try { 13504 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13505 return pkg.getAllCodePaths(); 13506 } catch (PackageParserException e) { 13507 // Ignored; we tried our best 13508 } 13509 } 13510 return Collections.EMPTY_LIST; 13511 } 13512 13513 void cleanUpResourcesLI() { 13514 // Enumerate all code paths before deleting 13515 cleanUpResourcesLI(getAllCodePaths()); 13516 } 13517 13518 private void cleanUpResourcesLI(List<String> allCodePaths) { 13519 cleanUp(); 13520 removeDexFiles(allCodePaths, instructionSets); 13521 } 13522 13523 String getPackageName() { 13524 return getAsecPackageName(cid); 13525 } 13526 13527 boolean doPostDeleteLI(boolean delete) { 13528 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13529 final List<String> allCodePaths = getAllCodePaths(); 13530 boolean mounted = PackageHelper.isContainerMounted(cid); 13531 if (mounted) { 13532 // Unmount first 13533 if (PackageHelper.unMountSdDir(cid)) { 13534 mounted = false; 13535 } 13536 } 13537 if (!mounted && delete) { 13538 cleanUpResourcesLI(allCodePaths); 13539 } 13540 return !mounted; 13541 } 13542 13543 @Override 13544 int doPreCopy() { 13545 if (isFwdLocked()) { 13546 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13547 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13548 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13549 } 13550 } 13551 13552 return PackageManager.INSTALL_SUCCEEDED; 13553 } 13554 13555 @Override 13556 int doPostCopy(int uid) { 13557 if (isFwdLocked()) { 13558 if (uid < Process.FIRST_APPLICATION_UID 13559 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13560 RES_FILE_NAME)) { 13561 Slog.e(TAG, "Failed to finalize " + cid); 13562 PackageHelper.destroySdDir(cid); 13563 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13564 } 13565 } 13566 13567 return PackageManager.INSTALL_SUCCEEDED; 13568 } 13569 } 13570 13571 /** 13572 * Logic to handle movement of existing installed applications. 13573 */ 13574 class MoveInstallArgs extends InstallArgs { 13575 private File codeFile; 13576 private File resourceFile; 13577 13578 /** New install */ 13579 MoveInstallArgs(InstallParams params) { 13580 super(params.origin, params.move, params.observer, params.installFlags, 13581 params.installerPackageName, params.volumeUuid, 13582 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13583 params.grantedRuntimePermissions, 13584 params.traceMethod, params.traceCookie, params.certificates); 13585 } 13586 13587 int copyApk(IMediaContainerService imcs, boolean temp) { 13588 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13589 + move.fromUuid + " to " + move.toUuid); 13590 synchronized (mInstaller) { 13591 try { 13592 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13593 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13594 } catch (InstallerException e) { 13595 Slog.w(TAG, "Failed to move app", e); 13596 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13597 } 13598 } 13599 13600 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13601 resourceFile = codeFile; 13602 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13603 13604 return PackageManager.INSTALL_SUCCEEDED; 13605 } 13606 13607 int doPreInstall(int status) { 13608 if (status != PackageManager.INSTALL_SUCCEEDED) { 13609 cleanUp(move.toUuid); 13610 } 13611 return status; 13612 } 13613 13614 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13615 if (status != PackageManager.INSTALL_SUCCEEDED) { 13616 cleanUp(move.toUuid); 13617 return false; 13618 } 13619 13620 // Reflect the move in app info 13621 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13622 pkg.setApplicationInfoCodePath(pkg.codePath); 13623 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13624 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13625 pkg.setApplicationInfoResourcePath(pkg.codePath); 13626 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13627 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13628 13629 return true; 13630 } 13631 13632 int doPostInstall(int status, int uid) { 13633 if (status == PackageManager.INSTALL_SUCCEEDED) { 13634 cleanUp(move.fromUuid); 13635 } else { 13636 cleanUp(move.toUuid); 13637 } 13638 return status; 13639 } 13640 13641 @Override 13642 String getCodePath() { 13643 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13644 } 13645 13646 @Override 13647 String getResourcePath() { 13648 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13649 } 13650 13651 private boolean cleanUp(String volumeUuid) { 13652 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13653 move.dataAppName); 13654 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13655 final int[] userIds = sUserManager.getUserIds(); 13656 synchronized (mInstallLock) { 13657 // Clean up both app data and code 13658 // All package moves are frozen until finished 13659 for (int userId : userIds) { 13660 try { 13661 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13662 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13663 } catch (InstallerException e) { 13664 Slog.w(TAG, String.valueOf(e)); 13665 } 13666 } 13667 removeCodePathLI(codeFile); 13668 } 13669 return true; 13670 } 13671 13672 void cleanUpResourcesLI() { 13673 throw new UnsupportedOperationException(); 13674 } 13675 13676 boolean doPostDeleteLI(boolean delete) { 13677 throw new UnsupportedOperationException(); 13678 } 13679 } 13680 13681 static String getAsecPackageName(String packageCid) { 13682 int idx = packageCid.lastIndexOf("-"); 13683 if (idx == -1) { 13684 return packageCid; 13685 } 13686 return packageCid.substring(0, idx); 13687 } 13688 13689 // Utility method used to create code paths based on package name and available index. 13690 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13691 String idxStr = ""; 13692 int idx = 1; 13693 // Fall back to default value of idx=1 if prefix is not 13694 // part of oldCodePath 13695 if (oldCodePath != null) { 13696 String subStr = oldCodePath; 13697 // Drop the suffix right away 13698 if (suffix != null && subStr.endsWith(suffix)) { 13699 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13700 } 13701 // If oldCodePath already contains prefix find out the 13702 // ending index to either increment or decrement. 13703 int sidx = subStr.lastIndexOf(prefix); 13704 if (sidx != -1) { 13705 subStr = subStr.substring(sidx + prefix.length()); 13706 if (subStr != null) { 13707 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13708 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13709 } 13710 try { 13711 idx = Integer.parseInt(subStr); 13712 if (idx <= 1) { 13713 idx++; 13714 } else { 13715 idx--; 13716 } 13717 } catch(NumberFormatException e) { 13718 } 13719 } 13720 } 13721 } 13722 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13723 return prefix + idxStr; 13724 } 13725 13726 private File getNextCodePath(File targetDir, String packageName) { 13727 int suffix = 1; 13728 File result; 13729 do { 13730 result = new File(targetDir, packageName + "-" + suffix); 13731 suffix++; 13732 } while (result.exists()); 13733 return result; 13734 } 13735 13736 // Utility method that returns the relative package path with respect 13737 // to the installation directory. Like say for /data/data/com.test-1.apk 13738 // string com.test-1 is returned. 13739 static String deriveCodePathName(String codePath) { 13740 if (codePath == null) { 13741 return null; 13742 } 13743 final File codeFile = new File(codePath); 13744 final String name = codeFile.getName(); 13745 if (codeFile.isDirectory()) { 13746 return name; 13747 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13748 final int lastDot = name.lastIndexOf('.'); 13749 return name.substring(0, lastDot); 13750 } else { 13751 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13752 return null; 13753 } 13754 } 13755 13756 static class PackageInstalledInfo { 13757 String name; 13758 int uid; 13759 // The set of users that originally had this package installed. 13760 int[] origUsers; 13761 // The set of users that now have this package installed. 13762 int[] newUsers; 13763 PackageParser.Package pkg; 13764 int returnCode; 13765 String returnMsg; 13766 PackageRemovedInfo removedInfo; 13767 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13768 13769 public void setError(int code, String msg) { 13770 setReturnCode(code); 13771 setReturnMessage(msg); 13772 Slog.w(TAG, msg); 13773 } 13774 13775 public void setError(String msg, PackageParserException e) { 13776 setReturnCode(e.error); 13777 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13778 Slog.w(TAG, msg, e); 13779 } 13780 13781 public void setError(String msg, PackageManagerException e) { 13782 returnCode = e.error; 13783 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13784 Slog.w(TAG, msg, e); 13785 } 13786 13787 public void setReturnCode(int returnCode) { 13788 this.returnCode = returnCode; 13789 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13790 for (int i = 0; i < childCount; i++) { 13791 addedChildPackages.valueAt(i).returnCode = returnCode; 13792 } 13793 } 13794 13795 private void setReturnMessage(String returnMsg) { 13796 this.returnMsg = returnMsg; 13797 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13798 for (int i = 0; i < childCount; i++) { 13799 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13800 } 13801 } 13802 13803 // In some error cases we want to convey more info back to the observer 13804 String origPackage; 13805 String origPermission; 13806 } 13807 13808 /* 13809 * Install a non-existing package. 13810 */ 13811 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13812 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13813 PackageInstalledInfo res) { 13814 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13815 13816 // Remember this for later, in case we need to rollback this install 13817 String pkgName = pkg.packageName; 13818 13819 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13820 13821 synchronized(mPackages) { 13822 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13823 // A package with the same name is already installed, though 13824 // it has been renamed to an older name. The package we 13825 // are trying to install should be installed as an update to 13826 // the existing one, but that has not been requested, so bail. 13827 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13828 + " without first uninstalling package running as " 13829 + mSettings.mRenamedPackages.get(pkgName)); 13830 return; 13831 } 13832 if (mPackages.containsKey(pkgName)) { 13833 // Don't allow installation over an existing package with the same name. 13834 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13835 + " without first uninstalling."); 13836 return; 13837 } 13838 } 13839 13840 try { 13841 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13842 System.currentTimeMillis(), user); 13843 13844 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13845 13846 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13847 prepareAppDataAfterInstallLIF(newPackage); 13848 13849 } else { 13850 // Remove package from internal structures, but keep around any 13851 // data that might have already existed 13852 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13853 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13854 } 13855 } catch (PackageManagerException e) { 13856 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13857 } 13858 13859 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13860 } 13861 13862 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13863 // Can't rotate keys during boot or if sharedUser. 13864 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13865 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13866 return false; 13867 } 13868 // app is using upgradeKeySets; make sure all are valid 13869 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13870 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13871 for (int i = 0; i < upgradeKeySets.length; i++) { 13872 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13873 Slog.wtf(TAG, "Package " 13874 + (oldPs.name != null ? oldPs.name : "<null>") 13875 + " contains upgrade-key-set reference to unknown key-set: " 13876 + upgradeKeySets[i] 13877 + " reverting to signatures check."); 13878 return false; 13879 } 13880 } 13881 return true; 13882 } 13883 13884 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13885 // Upgrade keysets are being used. Determine if new package has a superset of the 13886 // required keys. 13887 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13888 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13889 for (int i = 0; i < upgradeKeySets.length; i++) { 13890 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13891 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13892 return true; 13893 } 13894 } 13895 return false; 13896 } 13897 13898 private static void updateDigest(MessageDigest digest, File file) throws IOException { 13899 try (DigestInputStream digestStream = 13900 new DigestInputStream(new FileInputStream(file), digest)) { 13901 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 13902 } 13903 } 13904 13905 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 13906 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13907 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13908 13909 final PackageParser.Package oldPackage; 13910 final String pkgName = pkg.packageName; 13911 final int[] allUsers; 13912 final int[] installedUsers; 13913 13914 synchronized(mPackages) { 13915 oldPackage = mPackages.get(pkgName); 13916 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13917 13918 // don't allow upgrade to target a release SDK from a pre-release SDK 13919 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 13920 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13921 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 13922 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13923 if (oldTargetsPreRelease 13924 && !newTargetsPreRelease 13925 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 13926 Slog.w(TAG, "Can't install package targeting released sdk"); 13927 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 13928 return; 13929 } 13930 13931 // don't allow an upgrade from full to ephemeral 13932 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13933 if (isEphemeral && !oldIsEphemeral) { 13934 // can't downgrade from full to ephemeral 13935 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13936 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13937 return; 13938 } 13939 13940 // verify signatures are valid 13941 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13942 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13943 if (!checkUpgradeKeySetLP(ps, pkg)) { 13944 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13945 "New package not signed by keys specified by upgrade-keysets: " 13946 + pkgName); 13947 return; 13948 } 13949 } else { 13950 // default to original signature matching 13951 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13952 != PackageManager.SIGNATURE_MATCH) { 13953 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13954 "New package has a different signature: " + pkgName); 13955 return; 13956 } 13957 } 13958 13959 // don't allow a system upgrade unless the upgrade hash matches 13960 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 13961 byte[] digestBytes = null; 13962 try { 13963 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 13964 updateDigest(digest, new File(pkg.baseCodePath)); 13965 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 13966 for (String path : pkg.splitCodePaths) { 13967 updateDigest(digest, new File(path)); 13968 } 13969 } 13970 digestBytes = digest.digest(); 13971 } catch (NoSuchAlgorithmException | IOException e) { 13972 res.setError(INSTALL_FAILED_INVALID_APK, 13973 "Could not compute hash: " + pkgName); 13974 return; 13975 } 13976 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 13977 res.setError(INSTALL_FAILED_INVALID_APK, 13978 "New package fails restrict-update check: " + pkgName); 13979 return; 13980 } 13981 // retain upgrade restriction 13982 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 13983 } 13984 13985 // Check for shared user id changes 13986 String invalidPackageName = 13987 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 13988 if (invalidPackageName != null) { 13989 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13990 "Package " + invalidPackageName + " tried to change user " 13991 + oldPackage.mSharedUserId); 13992 return; 13993 } 13994 13995 // In case of rollback, remember per-user/profile install state 13996 allUsers = sUserManager.getUserIds(); 13997 installedUsers = ps.queryInstalledUsers(allUsers, true); 13998 } 13999 14000 // Update what is removed 14001 res.removedInfo = new PackageRemovedInfo(); 14002 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14003 res.removedInfo.removedPackage = oldPackage.packageName; 14004 res.removedInfo.isUpdate = true; 14005 res.removedInfo.origUsers = installedUsers; 14006 final int childCount = (oldPackage.childPackages != null) 14007 ? oldPackage.childPackages.size() : 0; 14008 for (int i = 0; i < childCount; i++) { 14009 boolean childPackageUpdated = false; 14010 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14011 if (res.addedChildPackages != null) { 14012 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14013 if (childRes != null) { 14014 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14015 childRes.removedInfo.removedPackage = childPkg.packageName; 14016 childRes.removedInfo.isUpdate = true; 14017 childPackageUpdated = true; 14018 } 14019 } 14020 if (!childPackageUpdated) { 14021 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14022 childRemovedRes.removedPackage = childPkg.packageName; 14023 childRemovedRes.isUpdate = false; 14024 childRemovedRes.dataRemoved = true; 14025 synchronized (mPackages) { 14026 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14027 if (childPs != null) { 14028 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14029 } 14030 } 14031 if (res.removedInfo.removedChildPackages == null) { 14032 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14033 } 14034 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14035 } 14036 } 14037 14038 boolean sysPkg = (isSystemApp(oldPackage)); 14039 if (sysPkg) { 14040 // Set the system/privileged flags as needed 14041 final boolean privileged = 14042 (oldPackage.applicationInfo.privateFlags 14043 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14044 final int systemPolicyFlags = policyFlags 14045 | PackageParser.PARSE_IS_SYSTEM 14046 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14047 14048 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14049 user, allUsers, installerPackageName, res); 14050 } else { 14051 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14052 user, allUsers, installerPackageName, res); 14053 } 14054 } 14055 14056 public List<String> getPreviousCodePaths(String packageName) { 14057 final PackageSetting ps = mSettings.mPackages.get(packageName); 14058 final List<String> result = new ArrayList<String>(); 14059 if (ps != null && ps.oldCodePaths != null) { 14060 result.addAll(ps.oldCodePaths); 14061 } 14062 return result; 14063 } 14064 14065 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14066 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14067 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14068 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14069 + deletedPackage); 14070 14071 String pkgName = deletedPackage.packageName; 14072 boolean deletedPkg = true; 14073 boolean addedPkg = false; 14074 boolean updatedSettings = false; 14075 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14076 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14077 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14078 14079 final long origUpdateTime = (pkg.mExtras != null) 14080 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14081 14082 // First delete the existing package while retaining the data directory 14083 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14084 res.removedInfo, true, pkg)) { 14085 // If the existing package wasn't successfully deleted 14086 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14087 deletedPkg = false; 14088 } else { 14089 // Successfully deleted the old package; proceed with replace. 14090 14091 // If deleted package lived in a container, give users a chance to 14092 // relinquish resources before killing. 14093 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14094 if (DEBUG_INSTALL) { 14095 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14096 } 14097 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14098 final ArrayList<String> pkgList = new ArrayList<String>(1); 14099 pkgList.add(deletedPackage.applicationInfo.packageName); 14100 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14101 } 14102 14103 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14104 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14105 clearAppProfilesLIF(pkg); 14106 14107 try { 14108 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14109 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14110 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14111 14112 // Update the in-memory copy of the previous code paths. 14113 PackageSetting ps = mSettings.mPackages.get(pkgName); 14114 if (!killApp) { 14115 if (ps.oldCodePaths == null) { 14116 ps.oldCodePaths = new ArraySet<>(); 14117 } 14118 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14119 if (deletedPackage.splitCodePaths != null) { 14120 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14121 } 14122 } else { 14123 ps.oldCodePaths = null; 14124 } 14125 if (ps.childPackageNames != null) { 14126 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14127 final String childPkgName = ps.childPackageNames.get(i); 14128 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14129 childPs.oldCodePaths = ps.oldCodePaths; 14130 } 14131 } 14132 prepareAppDataAfterInstallLIF(newPackage); 14133 addedPkg = true; 14134 } catch (PackageManagerException e) { 14135 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14136 } 14137 } 14138 14139 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14140 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14141 14142 // Revert all internal state mutations and added folders for the failed install 14143 if (addedPkg) { 14144 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14145 res.removedInfo, true, null); 14146 } 14147 14148 // Restore the old package 14149 if (deletedPkg) { 14150 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14151 File restoreFile = new File(deletedPackage.codePath); 14152 // Parse old package 14153 boolean oldExternal = isExternal(deletedPackage); 14154 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14155 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14156 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14157 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14158 try { 14159 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14160 null); 14161 } catch (PackageManagerException e) { 14162 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14163 + e.getMessage()); 14164 return; 14165 } 14166 14167 synchronized (mPackages) { 14168 // Ensure the installer package name up to date 14169 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14170 14171 // Update permissions for restored package 14172 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14173 14174 mSettings.writeLPr(); 14175 } 14176 14177 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14178 } 14179 } else { 14180 synchronized (mPackages) { 14181 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14182 if (ps != null) { 14183 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14184 if (res.removedInfo.removedChildPackages != null) { 14185 final int childCount = res.removedInfo.removedChildPackages.size(); 14186 // Iterate in reverse as we may modify the collection 14187 for (int i = childCount - 1; i >= 0; i--) { 14188 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14189 if (res.addedChildPackages.containsKey(childPackageName)) { 14190 res.removedInfo.removedChildPackages.removeAt(i); 14191 } else { 14192 PackageRemovedInfo childInfo = res.removedInfo 14193 .removedChildPackages.valueAt(i); 14194 childInfo.removedForAllUsers = mPackages.get( 14195 childInfo.removedPackage) == null; 14196 } 14197 } 14198 } 14199 } 14200 } 14201 } 14202 } 14203 14204 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14205 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14206 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14207 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14208 + ", old=" + deletedPackage); 14209 14210 final boolean disabledSystem; 14211 14212 // Remove existing system package 14213 removePackageLI(deletedPackage, true); 14214 14215 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14216 if (!disabledSystem) { 14217 // We didn't need to disable the .apk as a current system package, 14218 // which means we are replacing another update that is already 14219 // installed. We need to make sure to delete the older one's .apk. 14220 res.removedInfo.args = createInstallArgsForExisting(0, 14221 deletedPackage.applicationInfo.getCodePath(), 14222 deletedPackage.applicationInfo.getResourcePath(), 14223 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14224 } else { 14225 res.removedInfo.args = null; 14226 } 14227 14228 // Successfully disabled the old package. Now proceed with re-installation 14229 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14230 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14231 clearAppProfilesLIF(pkg); 14232 14233 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14234 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14235 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14236 14237 PackageParser.Package newPackage = null; 14238 try { 14239 // Add the package to the internal data structures 14240 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14241 14242 // Set the update and install times 14243 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14244 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14245 System.currentTimeMillis()); 14246 14247 // Update the package dynamic state if succeeded 14248 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14249 // Now that the install succeeded make sure we remove data 14250 // directories for any child package the update removed. 14251 final int deletedChildCount = (deletedPackage.childPackages != null) 14252 ? deletedPackage.childPackages.size() : 0; 14253 final int newChildCount = (newPackage.childPackages != null) 14254 ? newPackage.childPackages.size() : 0; 14255 for (int i = 0; i < deletedChildCount; i++) { 14256 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14257 boolean childPackageDeleted = true; 14258 for (int j = 0; j < newChildCount; j++) { 14259 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14260 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14261 childPackageDeleted = false; 14262 break; 14263 } 14264 } 14265 if (childPackageDeleted) { 14266 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14267 deletedChildPkg.packageName); 14268 if (ps != null && res.removedInfo.removedChildPackages != null) { 14269 PackageRemovedInfo removedChildRes = res.removedInfo 14270 .removedChildPackages.get(deletedChildPkg.packageName); 14271 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14272 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14273 } 14274 } 14275 } 14276 14277 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14278 prepareAppDataAfterInstallLIF(newPackage); 14279 } 14280 } catch (PackageManagerException e) { 14281 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14282 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14283 } 14284 14285 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14286 // Re installation failed. Restore old information 14287 // Remove new pkg information 14288 if (newPackage != null) { 14289 removeInstalledPackageLI(newPackage, true); 14290 } 14291 // Add back the old system package 14292 try { 14293 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14294 } catch (PackageManagerException e) { 14295 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14296 } 14297 14298 synchronized (mPackages) { 14299 if (disabledSystem) { 14300 enableSystemPackageLPw(deletedPackage); 14301 } 14302 14303 // Ensure the installer package name up to date 14304 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14305 14306 // Update permissions for restored package 14307 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14308 14309 mSettings.writeLPr(); 14310 } 14311 14312 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14313 + " after failed upgrade"); 14314 } 14315 } 14316 14317 /** 14318 * Checks whether the parent or any of the child packages have a change shared 14319 * user. For a package to be a valid update the shred users of the parent and 14320 * the children should match. We may later support changing child shared users. 14321 * @param oldPkg The updated package. 14322 * @param newPkg The update package. 14323 * @return The shared user that change between the versions. 14324 */ 14325 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14326 PackageParser.Package newPkg) { 14327 // Check parent shared user 14328 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14329 return newPkg.packageName; 14330 } 14331 // Check child shared users 14332 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14333 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14334 for (int i = 0; i < newChildCount; i++) { 14335 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14336 // If this child was present, did it have the same shared user? 14337 for (int j = 0; j < oldChildCount; j++) { 14338 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14339 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14340 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14341 return newChildPkg.packageName; 14342 } 14343 } 14344 } 14345 return null; 14346 } 14347 14348 private void removeNativeBinariesLI(PackageSetting ps) { 14349 // Remove the lib path for the parent package 14350 if (ps != null) { 14351 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14352 // Remove the lib path for the child packages 14353 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14354 for (int i = 0; i < childCount; i++) { 14355 PackageSetting childPs = null; 14356 synchronized (mPackages) { 14357 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14358 } 14359 if (childPs != null) { 14360 NativeLibraryHelper.removeNativeBinariesLI(childPs 14361 .legacyNativeLibraryPathString); 14362 } 14363 } 14364 } 14365 } 14366 14367 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14368 // Enable the parent package 14369 mSettings.enableSystemPackageLPw(pkg.packageName); 14370 // Enable the child packages 14371 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14372 for (int i = 0; i < childCount; i++) { 14373 PackageParser.Package childPkg = pkg.childPackages.get(i); 14374 mSettings.enableSystemPackageLPw(childPkg.packageName); 14375 } 14376 } 14377 14378 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14379 PackageParser.Package newPkg) { 14380 // Disable the parent package (parent always replaced) 14381 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14382 // Disable the child packages 14383 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14384 for (int i = 0; i < childCount; i++) { 14385 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14386 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14387 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14388 } 14389 return disabled; 14390 } 14391 14392 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14393 String installerPackageName) { 14394 // Enable the parent package 14395 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14396 // Enable the child packages 14397 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14398 for (int i = 0; i < childCount; i++) { 14399 PackageParser.Package childPkg = pkg.childPackages.get(i); 14400 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14401 } 14402 } 14403 14404 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14405 // Collect all used permissions in the UID 14406 ArraySet<String> usedPermissions = new ArraySet<>(); 14407 final int packageCount = su.packages.size(); 14408 for (int i = 0; i < packageCount; i++) { 14409 PackageSetting ps = su.packages.valueAt(i); 14410 if (ps.pkg == null) { 14411 continue; 14412 } 14413 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14414 for (int j = 0; j < requestedPermCount; j++) { 14415 String permission = ps.pkg.requestedPermissions.get(j); 14416 BasePermission bp = mSettings.mPermissions.get(permission); 14417 if (bp != null) { 14418 usedPermissions.add(permission); 14419 } 14420 } 14421 } 14422 14423 PermissionsState permissionsState = su.getPermissionsState(); 14424 // Prune install permissions 14425 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14426 final int installPermCount = installPermStates.size(); 14427 for (int i = installPermCount - 1; i >= 0; i--) { 14428 PermissionState permissionState = installPermStates.get(i); 14429 if (!usedPermissions.contains(permissionState.getName())) { 14430 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14431 if (bp != null) { 14432 permissionsState.revokeInstallPermission(bp); 14433 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14434 PackageManager.MASK_PERMISSION_FLAGS, 0); 14435 } 14436 } 14437 } 14438 14439 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14440 14441 // Prune runtime permissions 14442 for (int userId : allUserIds) { 14443 List<PermissionState> runtimePermStates = permissionsState 14444 .getRuntimePermissionStates(userId); 14445 final int runtimePermCount = runtimePermStates.size(); 14446 for (int i = runtimePermCount - 1; i >= 0; i--) { 14447 PermissionState permissionState = runtimePermStates.get(i); 14448 if (!usedPermissions.contains(permissionState.getName())) { 14449 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14450 if (bp != null) { 14451 permissionsState.revokeRuntimePermission(bp, userId); 14452 permissionsState.updatePermissionFlags(bp, userId, 14453 PackageManager.MASK_PERMISSION_FLAGS, 0); 14454 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14455 runtimePermissionChangedUserIds, userId); 14456 } 14457 } 14458 } 14459 } 14460 14461 return runtimePermissionChangedUserIds; 14462 } 14463 14464 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14465 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14466 // Update the parent package setting 14467 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14468 res, user); 14469 // Update the child packages setting 14470 final int childCount = (newPackage.childPackages != null) 14471 ? newPackage.childPackages.size() : 0; 14472 for (int i = 0; i < childCount; i++) { 14473 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14474 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14475 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14476 childRes.origUsers, childRes, user); 14477 } 14478 } 14479 14480 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14481 String installerPackageName, int[] allUsers, int[] installedForUsers, 14482 PackageInstalledInfo res, UserHandle user) { 14483 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14484 14485 String pkgName = newPackage.packageName; 14486 synchronized (mPackages) { 14487 //write settings. the installStatus will be incomplete at this stage. 14488 //note that the new package setting would have already been 14489 //added to mPackages. It hasn't been persisted yet. 14490 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14491 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14492 mSettings.writeLPr(); 14493 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14494 } 14495 14496 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14497 synchronized (mPackages) { 14498 updatePermissionsLPw(newPackage.packageName, newPackage, 14499 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14500 ? UPDATE_PERMISSIONS_ALL : 0)); 14501 // For system-bundled packages, we assume that installing an upgraded version 14502 // of the package implies that the user actually wants to run that new code, 14503 // so we enable the package. 14504 PackageSetting ps = mSettings.mPackages.get(pkgName); 14505 final int userId = user.getIdentifier(); 14506 if (ps != null) { 14507 if (isSystemApp(newPackage)) { 14508 if (DEBUG_INSTALL) { 14509 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14510 } 14511 // Enable system package for requested users 14512 if (res.origUsers != null) { 14513 for (int origUserId : res.origUsers) { 14514 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14515 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14516 origUserId, installerPackageName); 14517 } 14518 } 14519 } 14520 // Also convey the prior install/uninstall state 14521 if (allUsers != null && installedForUsers != null) { 14522 for (int currentUserId : allUsers) { 14523 final boolean installed = ArrayUtils.contains( 14524 installedForUsers, currentUserId); 14525 if (DEBUG_INSTALL) { 14526 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14527 } 14528 ps.setInstalled(installed, currentUserId); 14529 } 14530 // these install state changes will be persisted in the 14531 // upcoming call to mSettings.writeLPr(). 14532 } 14533 } 14534 // It's implied that when a user requests installation, they want the app to be 14535 // installed and enabled. 14536 if (userId != UserHandle.USER_ALL) { 14537 ps.setInstalled(true, userId); 14538 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14539 } 14540 } 14541 res.name = pkgName; 14542 res.uid = newPackage.applicationInfo.uid; 14543 res.pkg = newPackage; 14544 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14545 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14546 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14547 //to update install status 14548 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14549 mSettings.writeLPr(); 14550 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14551 } 14552 14553 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14554 } 14555 14556 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14557 try { 14558 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14559 installPackageLI(args, res); 14560 } finally { 14561 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14562 } 14563 } 14564 14565 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14566 final int installFlags = args.installFlags; 14567 final String installerPackageName = args.installerPackageName; 14568 final String volumeUuid = args.volumeUuid; 14569 final File tmpPackageFile = new File(args.getCodePath()); 14570 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14571 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14572 || (args.volumeUuid != null)); 14573 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14574 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14575 boolean replace = false; 14576 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14577 if (args.move != null) { 14578 // moving a complete application; perform an initial scan on the new install location 14579 scanFlags |= SCAN_INITIAL; 14580 } 14581 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14582 scanFlags |= SCAN_DONT_KILL_APP; 14583 } 14584 14585 // Result object to be returned 14586 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14587 14588 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14589 14590 // Sanity check 14591 if (ephemeral && (forwardLocked || onExternal)) { 14592 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14593 + " external=" + onExternal); 14594 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14595 return; 14596 } 14597 14598 // Retrieve PackageSettings and parse package 14599 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14600 | PackageParser.PARSE_ENFORCE_CODE 14601 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14602 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14603 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14604 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14605 PackageParser pp = new PackageParser(); 14606 pp.setSeparateProcesses(mSeparateProcesses); 14607 pp.setDisplayMetrics(mMetrics); 14608 14609 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14610 final PackageParser.Package pkg; 14611 try { 14612 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14613 } catch (PackageParserException e) { 14614 res.setError("Failed parse during installPackageLI", e); 14615 return; 14616 } finally { 14617 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14618 } 14619 14620 // If we are installing a clustered package add results for the children 14621 if (pkg.childPackages != null) { 14622 synchronized (mPackages) { 14623 final int childCount = pkg.childPackages.size(); 14624 for (int i = 0; i < childCount; i++) { 14625 PackageParser.Package childPkg = pkg.childPackages.get(i); 14626 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14627 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14628 childRes.pkg = childPkg; 14629 childRes.name = childPkg.packageName; 14630 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14631 if (childPs != null) { 14632 childRes.origUsers = childPs.queryInstalledUsers( 14633 sUserManager.getUserIds(), true); 14634 } 14635 if ((mPackages.containsKey(childPkg.packageName))) { 14636 childRes.removedInfo = new PackageRemovedInfo(); 14637 childRes.removedInfo.removedPackage = childPkg.packageName; 14638 } 14639 if (res.addedChildPackages == null) { 14640 res.addedChildPackages = new ArrayMap<>(); 14641 } 14642 res.addedChildPackages.put(childPkg.packageName, childRes); 14643 } 14644 } 14645 } 14646 14647 // If package doesn't declare API override, mark that we have an install 14648 // time CPU ABI override. 14649 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14650 pkg.cpuAbiOverride = args.abiOverride; 14651 } 14652 14653 String pkgName = res.name = pkg.packageName; 14654 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14655 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14656 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14657 return; 14658 } 14659 } 14660 14661 try { 14662 // either use what we've been given or parse directly from the APK 14663 if (args.certificates != null) { 14664 try { 14665 PackageParser.populateCertificates(pkg, args.certificates); 14666 } catch (PackageParserException e) { 14667 // there was something wrong with the certificates we were given; 14668 // try to pull them from the APK 14669 PackageParser.collectCertificates(pkg, parseFlags); 14670 } 14671 } else { 14672 PackageParser.collectCertificates(pkg, parseFlags); 14673 } 14674 } catch (PackageParserException e) { 14675 res.setError("Failed collect during installPackageLI", e); 14676 return; 14677 } 14678 14679 // Get rid of all references to package scan path via parser. 14680 pp = null; 14681 String oldCodePath = null; 14682 boolean systemApp = false; 14683 synchronized (mPackages) { 14684 // Check if installing already existing package 14685 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14686 String oldName = mSettings.mRenamedPackages.get(pkgName); 14687 if (pkg.mOriginalPackages != null 14688 && pkg.mOriginalPackages.contains(oldName) 14689 && mPackages.containsKey(oldName)) { 14690 // This package is derived from an original package, 14691 // and this device has been updating from that original 14692 // name. We must continue using the original name, so 14693 // rename the new package here. 14694 pkg.setPackageName(oldName); 14695 pkgName = pkg.packageName; 14696 replace = true; 14697 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14698 + oldName + " pkgName=" + pkgName); 14699 } else if (mPackages.containsKey(pkgName)) { 14700 // This package, under its official name, already exists 14701 // on the device; we should replace it. 14702 replace = true; 14703 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14704 } 14705 14706 // Child packages are installed through the parent package 14707 if (pkg.parentPackage != null) { 14708 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14709 "Package " + pkg.packageName + " is child of package " 14710 + pkg.parentPackage.parentPackage + ". Child packages " 14711 + "can be updated only through the parent package."); 14712 return; 14713 } 14714 14715 if (replace) { 14716 // Prevent apps opting out from runtime permissions 14717 PackageParser.Package oldPackage = mPackages.get(pkgName); 14718 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14719 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14720 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14721 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14722 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14723 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14724 + " doesn't support runtime permissions but the old" 14725 + " target SDK " + oldTargetSdk + " does."); 14726 return; 14727 } 14728 14729 // Prevent installing of child packages 14730 if (oldPackage.parentPackage != null) { 14731 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14732 "Package " + pkg.packageName + " is child of package " 14733 + oldPackage.parentPackage + ". Child packages " 14734 + "can be updated only through the parent package."); 14735 return; 14736 } 14737 } 14738 } 14739 14740 PackageSetting ps = mSettings.mPackages.get(pkgName); 14741 if (ps != null) { 14742 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14743 14744 // Quick sanity check that we're signed correctly if updating; 14745 // we'll check this again later when scanning, but we want to 14746 // bail early here before tripping over redefined permissions. 14747 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14748 if (!checkUpgradeKeySetLP(ps, pkg)) { 14749 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14750 + pkg.packageName + " upgrade keys do not match the " 14751 + "previously installed version"); 14752 return; 14753 } 14754 } else { 14755 try { 14756 verifySignaturesLP(ps, pkg); 14757 } catch (PackageManagerException e) { 14758 res.setError(e.error, e.getMessage()); 14759 return; 14760 } 14761 } 14762 14763 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14764 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14765 systemApp = (ps.pkg.applicationInfo.flags & 14766 ApplicationInfo.FLAG_SYSTEM) != 0; 14767 } 14768 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14769 } 14770 14771 // Check whether the newly-scanned package wants to define an already-defined perm 14772 int N = pkg.permissions.size(); 14773 for (int i = N-1; i >= 0; i--) { 14774 PackageParser.Permission perm = pkg.permissions.get(i); 14775 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14776 if (bp != null) { 14777 // If the defining package is signed with our cert, it's okay. This 14778 // also includes the "updating the same package" case, of course. 14779 // "updating same package" could also involve key-rotation. 14780 final boolean sigsOk; 14781 if (bp.sourcePackage.equals(pkg.packageName) 14782 && (bp.packageSetting instanceof PackageSetting) 14783 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14784 scanFlags))) { 14785 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14786 } else { 14787 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14788 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14789 } 14790 if (!sigsOk) { 14791 // If the owning package is the system itself, we log but allow 14792 // install to proceed; we fail the install on all other permission 14793 // redefinitions. 14794 if (!bp.sourcePackage.equals("android")) { 14795 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14796 + pkg.packageName + " attempting to redeclare permission " 14797 + perm.info.name + " already owned by " + bp.sourcePackage); 14798 res.origPermission = perm.info.name; 14799 res.origPackage = bp.sourcePackage; 14800 return; 14801 } else { 14802 Slog.w(TAG, "Package " + pkg.packageName 14803 + " attempting to redeclare system permission " 14804 + perm.info.name + "; ignoring new declaration"); 14805 pkg.permissions.remove(i); 14806 } 14807 } 14808 } 14809 } 14810 } 14811 14812 if (systemApp) { 14813 if (onExternal) { 14814 // Abort update; system app can't be replaced with app on sdcard 14815 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14816 "Cannot install updates to system apps on sdcard"); 14817 return; 14818 } else if (ephemeral) { 14819 // Abort update; system app can't be replaced with an ephemeral app 14820 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14821 "Cannot update a system app with an ephemeral app"); 14822 return; 14823 } 14824 } 14825 14826 if (args.move != null) { 14827 // We did an in-place move, so dex is ready to roll 14828 scanFlags |= SCAN_NO_DEX; 14829 scanFlags |= SCAN_MOVE; 14830 14831 synchronized (mPackages) { 14832 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14833 if (ps == null) { 14834 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14835 "Missing settings for moved package " + pkgName); 14836 } 14837 14838 // We moved the entire application as-is, so bring over the 14839 // previously derived ABI information. 14840 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14841 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14842 } 14843 14844 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14845 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14846 scanFlags |= SCAN_NO_DEX; 14847 14848 try { 14849 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14850 args.abiOverride : pkg.cpuAbiOverride); 14851 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14852 true /* extract libs */); 14853 } catch (PackageManagerException pme) { 14854 Slog.e(TAG, "Error deriving application ABI", pme); 14855 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14856 return; 14857 } 14858 14859 // Shared libraries for the package need to be updated. 14860 synchronized (mPackages) { 14861 try { 14862 updateSharedLibrariesLPw(pkg, null); 14863 } catch (PackageManagerException e) { 14864 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 14865 } 14866 } 14867 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14868 // Do not run PackageDexOptimizer through the local performDexOpt 14869 // method because `pkg` is not in `mPackages` yet. 14870 int result = mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 14871 null /* instructionSets */, false /* checkProfiles */, 14872 getCompilerFilterForReason(REASON_INSTALL)); 14873 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14874 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14875 String msg = "Extracting package failed for " + pkgName; 14876 res.setError(INSTALL_FAILED_DEXOPT, msg); 14877 return; 14878 } 14879 14880 // Notify BackgroundDexOptService that the package has been changed. 14881 // If this is an update of a package which used to fail to compile, 14882 // BDOS will remove it from its blacklist. 14883 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 14884 } 14885 14886 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14887 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14888 return; 14889 } 14890 14891 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14892 14893 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 14894 "installPackageLI")) { 14895 if (replace) { 14896 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14897 installerPackageName, res); 14898 } else { 14899 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14900 args.user, installerPackageName, volumeUuid, res); 14901 } 14902 } 14903 synchronized (mPackages) { 14904 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14905 if (ps != null) { 14906 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14907 } 14908 14909 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14910 for (int i = 0; i < childCount; i++) { 14911 PackageParser.Package childPkg = pkg.childPackages.get(i); 14912 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14913 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14914 if (childPs != null) { 14915 childRes.newUsers = childPs.queryInstalledUsers( 14916 sUserManager.getUserIds(), true); 14917 } 14918 } 14919 } 14920 } 14921 14922 private void startIntentFilterVerifications(int userId, boolean replacing, 14923 PackageParser.Package pkg) { 14924 if (mIntentFilterVerifierComponent == null) { 14925 Slog.w(TAG, "No IntentFilter verification will not be done as " 14926 + "there is no IntentFilterVerifier available!"); 14927 return; 14928 } 14929 14930 final int verifierUid = getPackageUid( 14931 mIntentFilterVerifierComponent.getPackageName(), 14932 MATCH_DEBUG_TRIAGED_MISSING, 14933 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14934 14935 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14936 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14937 mHandler.sendMessage(msg); 14938 14939 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14940 for (int i = 0; i < childCount; i++) { 14941 PackageParser.Package childPkg = pkg.childPackages.get(i); 14942 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14943 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14944 mHandler.sendMessage(msg); 14945 } 14946 } 14947 14948 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14949 PackageParser.Package pkg) { 14950 int size = pkg.activities.size(); 14951 if (size == 0) { 14952 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14953 "No activity, so no need to verify any IntentFilter!"); 14954 return; 14955 } 14956 14957 final boolean hasDomainURLs = hasDomainURLs(pkg); 14958 if (!hasDomainURLs) { 14959 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14960 "No domain URLs, so no need to verify any IntentFilter!"); 14961 return; 14962 } 14963 14964 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14965 + " if any IntentFilter from the " + size 14966 + " Activities needs verification ..."); 14967 14968 int count = 0; 14969 final String packageName = pkg.packageName; 14970 14971 synchronized (mPackages) { 14972 // If this is a new install and we see that we've already run verification for this 14973 // package, we have nothing to do: it means the state was restored from backup. 14974 if (!replacing) { 14975 IntentFilterVerificationInfo ivi = 14976 mSettings.getIntentFilterVerificationLPr(packageName); 14977 if (ivi != null) { 14978 if (DEBUG_DOMAIN_VERIFICATION) { 14979 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14980 + ivi.getStatusString()); 14981 } 14982 return; 14983 } 14984 } 14985 14986 // If any filters need to be verified, then all need to be. 14987 boolean needToVerify = false; 14988 for (PackageParser.Activity a : pkg.activities) { 14989 for (ActivityIntentInfo filter : a.intents) { 14990 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14991 if (DEBUG_DOMAIN_VERIFICATION) { 14992 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14993 } 14994 needToVerify = true; 14995 break; 14996 } 14997 } 14998 } 14999 15000 if (needToVerify) { 15001 final int verificationId = mIntentFilterVerificationToken++; 15002 for (PackageParser.Activity a : pkg.activities) { 15003 for (ActivityIntentInfo filter : a.intents) { 15004 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15005 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15006 "Verification needed for IntentFilter:" + filter.toString()); 15007 mIntentFilterVerifier.addOneIntentFilterVerification( 15008 verifierUid, userId, verificationId, filter, packageName); 15009 count++; 15010 } 15011 } 15012 } 15013 } 15014 } 15015 15016 if (count > 0) { 15017 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15018 + " IntentFilter verification" + (count > 1 ? "s" : "") 15019 + " for userId:" + userId); 15020 mIntentFilterVerifier.startVerifications(userId); 15021 } else { 15022 if (DEBUG_DOMAIN_VERIFICATION) { 15023 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15024 } 15025 } 15026 } 15027 15028 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15029 final ComponentName cn = filter.activity.getComponentName(); 15030 final String packageName = cn.getPackageName(); 15031 15032 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15033 packageName); 15034 if (ivi == null) { 15035 return true; 15036 } 15037 int status = ivi.getStatus(); 15038 switch (status) { 15039 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15040 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15041 return true; 15042 15043 default: 15044 // Nothing to do 15045 return false; 15046 } 15047 } 15048 15049 private static boolean isMultiArch(ApplicationInfo info) { 15050 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15051 } 15052 15053 private static boolean isExternal(PackageParser.Package pkg) { 15054 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15055 } 15056 15057 private static boolean isExternal(PackageSetting ps) { 15058 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15059 } 15060 15061 private static boolean isEphemeral(PackageParser.Package pkg) { 15062 return pkg.applicationInfo.isEphemeralApp(); 15063 } 15064 15065 private static boolean isEphemeral(PackageSetting ps) { 15066 return ps.pkg != null && isEphemeral(ps.pkg); 15067 } 15068 15069 private static boolean isSystemApp(PackageParser.Package pkg) { 15070 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15071 } 15072 15073 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15074 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15075 } 15076 15077 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15078 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15079 } 15080 15081 private static boolean isSystemApp(PackageSetting ps) { 15082 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15083 } 15084 15085 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15086 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15087 } 15088 15089 private int packageFlagsToInstallFlags(PackageSetting ps) { 15090 int installFlags = 0; 15091 if (isEphemeral(ps)) { 15092 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15093 } 15094 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15095 // This existing package was an external ASEC install when we have 15096 // the external flag without a UUID 15097 installFlags |= PackageManager.INSTALL_EXTERNAL; 15098 } 15099 if (ps.isForwardLocked()) { 15100 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15101 } 15102 return installFlags; 15103 } 15104 15105 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15106 if (isExternal(pkg)) { 15107 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15108 return StorageManager.UUID_PRIMARY_PHYSICAL; 15109 } else { 15110 return pkg.volumeUuid; 15111 } 15112 } else { 15113 return StorageManager.UUID_PRIVATE_INTERNAL; 15114 } 15115 } 15116 15117 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15118 if (isExternal(pkg)) { 15119 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15120 return mSettings.getExternalVersion(); 15121 } else { 15122 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15123 } 15124 } else { 15125 return mSettings.getInternalVersion(); 15126 } 15127 } 15128 15129 private void deleteTempPackageFiles() { 15130 final FilenameFilter filter = new FilenameFilter() { 15131 public boolean accept(File dir, String name) { 15132 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15133 } 15134 }; 15135 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15136 file.delete(); 15137 } 15138 } 15139 15140 @Override 15141 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15142 int flags) { 15143 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15144 flags); 15145 } 15146 15147 @Override 15148 public void deletePackage(final String packageName, 15149 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15150 mContext.enforceCallingOrSelfPermission( 15151 android.Manifest.permission.DELETE_PACKAGES, null); 15152 Preconditions.checkNotNull(packageName); 15153 Preconditions.checkNotNull(observer); 15154 final int uid = Binder.getCallingUid(); 15155 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15156 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15157 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15158 mContext.enforceCallingOrSelfPermission( 15159 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15160 "deletePackage for user " + userId); 15161 } 15162 15163 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15164 try { 15165 observer.onPackageDeleted(packageName, 15166 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15167 } catch (RemoteException re) { 15168 } 15169 return; 15170 } 15171 15172 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15173 try { 15174 observer.onPackageDeleted(packageName, 15175 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15176 } catch (RemoteException re) { 15177 } 15178 return; 15179 } 15180 15181 if (DEBUG_REMOVE) { 15182 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15183 + " deleteAllUsers: " + deleteAllUsers ); 15184 } 15185 // Queue up an async operation since the package deletion may take a little while. 15186 mHandler.post(new Runnable() { 15187 public void run() { 15188 mHandler.removeCallbacks(this); 15189 int returnCode; 15190 if (!deleteAllUsers) { 15191 returnCode = deletePackageX(packageName, userId, deleteFlags); 15192 } else { 15193 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15194 // If nobody is blocking uninstall, proceed with delete for all users 15195 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15196 returnCode = deletePackageX(packageName, userId, deleteFlags); 15197 } else { 15198 // Otherwise uninstall individually for users with blockUninstalls=false 15199 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15200 for (int userId : users) { 15201 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15202 returnCode = deletePackageX(packageName, userId, userFlags); 15203 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15204 Slog.w(TAG, "Package delete failed for user " + userId 15205 + ", returnCode " + returnCode); 15206 } 15207 } 15208 } 15209 // The app has only been marked uninstalled for certain users. 15210 // We still need to report that delete was blocked 15211 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15212 } 15213 } 15214 try { 15215 observer.onPackageDeleted(packageName, returnCode, null); 15216 } catch (RemoteException e) { 15217 Log.i(TAG, "Observer no longer exists."); 15218 } //end catch 15219 } //end run 15220 }); 15221 } 15222 15223 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15224 int[] result = EMPTY_INT_ARRAY; 15225 for (int userId : userIds) { 15226 if (getBlockUninstallForUser(packageName, userId)) { 15227 result = ArrayUtils.appendInt(result, userId); 15228 } 15229 } 15230 return result; 15231 } 15232 15233 @Override 15234 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15235 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15236 } 15237 15238 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15239 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15240 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15241 try { 15242 if (dpm != null) { 15243 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15244 /* callingUserOnly =*/ false); 15245 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15246 : deviceOwnerComponentName.getPackageName(); 15247 // Does the package contains the device owner? 15248 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15249 // this check is probably not needed, since DO should be registered as a device 15250 // admin on some user too. (Original bug for this: b/17657954) 15251 if (packageName.equals(deviceOwnerPackageName)) { 15252 return true; 15253 } 15254 // Does it contain a device admin for any user? 15255 int[] users; 15256 if (userId == UserHandle.USER_ALL) { 15257 users = sUserManager.getUserIds(); 15258 } else { 15259 users = new int[]{userId}; 15260 } 15261 for (int i = 0; i < users.length; ++i) { 15262 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15263 return true; 15264 } 15265 } 15266 } 15267 } catch (RemoteException e) { 15268 } 15269 return false; 15270 } 15271 15272 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15273 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15274 } 15275 15276 /** 15277 * This method is an internal method that could be get invoked either 15278 * to delete an installed package or to clean up a failed installation. 15279 * After deleting an installed package, a broadcast is sent to notify any 15280 * listeners that the package has been removed. For cleaning up a failed 15281 * installation, the broadcast is not necessary since the package's 15282 * installation wouldn't have sent the initial broadcast either 15283 * The key steps in deleting a package are 15284 * deleting the package information in internal structures like mPackages, 15285 * deleting the packages base directories through installd 15286 * updating mSettings to reflect current status 15287 * persisting settings for later use 15288 * sending a broadcast if necessary 15289 */ 15290 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15291 final PackageRemovedInfo info = new PackageRemovedInfo(); 15292 final boolean res; 15293 15294 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15295 ? UserHandle.ALL : new UserHandle(userId); 15296 15297 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15298 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15299 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15300 } 15301 15302 PackageSetting uninstalledPs = null; 15303 15304 // for the uninstall-updates case and restricted profiles, remember the per- 15305 // user handle installed state 15306 int[] allUsers; 15307 synchronized (mPackages) { 15308 uninstalledPs = mSettings.mPackages.get(packageName); 15309 if (uninstalledPs == null) { 15310 Slog.w(TAG, "Not removing non-existent package " + packageName); 15311 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15312 } 15313 allUsers = sUserManager.getUserIds(); 15314 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15315 } 15316 15317 synchronized (mInstallLock) { 15318 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15319 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15320 "deletePackageX")) { 15321 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15322 deleteFlags | REMOVE_CHATTY, info, true, null); 15323 } 15324 synchronized (mPackages) { 15325 if (res) { 15326 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15327 } 15328 } 15329 } 15330 15331 if (res) { 15332 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15333 info.sendPackageRemovedBroadcasts(killApp); 15334 info.sendSystemPackageUpdatedBroadcasts(); 15335 info.sendSystemPackageAppearedBroadcasts(); 15336 } 15337 // Force a gc here. 15338 Runtime.getRuntime().gc(); 15339 // Delete the resources here after sending the broadcast to let 15340 // other processes clean up before deleting resources. 15341 if (info.args != null) { 15342 synchronized (mInstallLock) { 15343 info.args.doPostDeleteLI(true); 15344 } 15345 } 15346 15347 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15348 } 15349 15350 class PackageRemovedInfo { 15351 String removedPackage; 15352 int uid = -1; 15353 int removedAppId = -1; 15354 int[] origUsers; 15355 int[] removedUsers = null; 15356 boolean isRemovedPackageSystemUpdate = false; 15357 boolean isUpdate; 15358 boolean dataRemoved; 15359 boolean removedForAllUsers; 15360 // Clean up resources deleted packages. 15361 InstallArgs args = null; 15362 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15363 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15364 15365 void sendPackageRemovedBroadcasts(boolean killApp) { 15366 sendPackageRemovedBroadcastInternal(killApp); 15367 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15368 for (int i = 0; i < childCount; i++) { 15369 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15370 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15371 } 15372 } 15373 15374 void sendSystemPackageUpdatedBroadcasts() { 15375 if (isRemovedPackageSystemUpdate) { 15376 sendSystemPackageUpdatedBroadcastsInternal(); 15377 final int childCount = (removedChildPackages != null) 15378 ? removedChildPackages.size() : 0; 15379 for (int i = 0; i < childCount; i++) { 15380 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15381 if (childInfo.isRemovedPackageSystemUpdate) { 15382 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15383 } 15384 } 15385 } 15386 } 15387 15388 void sendSystemPackageAppearedBroadcasts() { 15389 final int packageCount = (appearedChildPackages != null) 15390 ? appearedChildPackages.size() : 0; 15391 for (int i = 0; i < packageCount; i++) { 15392 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15393 for (int userId : installedInfo.newUsers) { 15394 sendPackageAddedForUser(installedInfo.name, true, 15395 UserHandle.getAppId(installedInfo.uid), userId); 15396 } 15397 } 15398 } 15399 15400 private void sendSystemPackageUpdatedBroadcastsInternal() { 15401 Bundle extras = new Bundle(2); 15402 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15403 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15404 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15405 extras, 0, null, null, null); 15406 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15407 extras, 0, null, null, null); 15408 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15409 null, 0, removedPackage, null, null); 15410 } 15411 15412 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15413 Bundle extras = new Bundle(2); 15414 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15415 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15416 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15417 if (isUpdate || isRemovedPackageSystemUpdate) { 15418 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15419 } 15420 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15421 if (removedPackage != null) { 15422 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15423 extras, 0, null, null, removedUsers); 15424 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15425 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15426 removedPackage, extras, 0, null, null, removedUsers); 15427 } 15428 } 15429 if (removedAppId >= 0) { 15430 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15431 removedUsers); 15432 } 15433 } 15434 } 15435 15436 /* 15437 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15438 * flag is not set, the data directory is removed as well. 15439 * make sure this flag is set for partially installed apps. If not its meaningless to 15440 * delete a partially installed application. 15441 */ 15442 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15443 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15444 String packageName = ps.name; 15445 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15446 // Retrieve object to delete permissions for shared user later on 15447 final PackageParser.Package deletedPkg; 15448 final PackageSetting deletedPs; 15449 // reader 15450 synchronized (mPackages) { 15451 deletedPkg = mPackages.get(packageName); 15452 deletedPs = mSettings.mPackages.get(packageName); 15453 if (outInfo != null) { 15454 outInfo.removedPackage = packageName; 15455 outInfo.removedUsers = deletedPs != null 15456 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15457 : null; 15458 } 15459 } 15460 15461 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15462 15463 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15464 final PackageParser.Package resolvedPkg; 15465 if (deletedPkg != null) { 15466 resolvedPkg = deletedPkg; 15467 } else { 15468 // We don't have a parsed package when it lives on an ejected 15469 // adopted storage device, so fake something together 15470 resolvedPkg = new PackageParser.Package(ps.name); 15471 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15472 } 15473 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15474 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15475 destroyAppProfilesLIF(resolvedPkg); 15476 if (outInfo != null) { 15477 outInfo.dataRemoved = true; 15478 } 15479 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15480 } 15481 15482 // writer 15483 synchronized (mPackages) { 15484 if (deletedPs != null) { 15485 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15486 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15487 clearDefaultBrowserIfNeeded(packageName); 15488 if (outInfo != null) { 15489 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15490 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15491 } 15492 updatePermissionsLPw(deletedPs.name, null, 0); 15493 if (deletedPs.sharedUser != null) { 15494 // Remove permissions associated with package. Since runtime 15495 // permissions are per user we have to kill the removed package 15496 // or packages running under the shared user of the removed 15497 // package if revoking the permissions requested only by the removed 15498 // package is successful and this causes a change in gids. 15499 for (int userId : UserManagerService.getInstance().getUserIds()) { 15500 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15501 userId); 15502 if (userIdToKill == UserHandle.USER_ALL 15503 || userIdToKill >= UserHandle.USER_SYSTEM) { 15504 // If gids changed for this user, kill all affected packages. 15505 mHandler.post(new Runnable() { 15506 @Override 15507 public void run() { 15508 // This has to happen with no lock held. 15509 killApplication(deletedPs.name, deletedPs.appId, 15510 KILL_APP_REASON_GIDS_CHANGED); 15511 } 15512 }); 15513 break; 15514 } 15515 } 15516 } 15517 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15518 } 15519 // make sure to preserve per-user disabled state if this removal was just 15520 // a downgrade of a system app to the factory package 15521 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15522 if (DEBUG_REMOVE) { 15523 Slog.d(TAG, "Propagating install state across downgrade"); 15524 } 15525 for (int userId : allUserHandles) { 15526 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15527 if (DEBUG_REMOVE) { 15528 Slog.d(TAG, " user " + userId + " => " + installed); 15529 } 15530 ps.setInstalled(installed, userId); 15531 } 15532 } 15533 } 15534 // can downgrade to reader 15535 if (writeSettings) { 15536 // Save settings now 15537 mSettings.writeLPr(); 15538 } 15539 } 15540 if (outInfo != null) { 15541 // A user ID was deleted here. Go through all users and remove it 15542 // from KeyStore. 15543 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15544 } 15545 } 15546 15547 static boolean locationIsPrivileged(File path) { 15548 try { 15549 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15550 .getCanonicalPath(); 15551 return path.getCanonicalPath().startsWith(privilegedAppDir); 15552 } catch (IOException e) { 15553 Slog.e(TAG, "Unable to access code path " + path); 15554 } 15555 return false; 15556 } 15557 15558 /* 15559 * Tries to delete system package. 15560 */ 15561 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15562 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15563 boolean writeSettings) { 15564 if (deletedPs.parentPackageName != null) { 15565 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15566 return false; 15567 } 15568 15569 final boolean applyUserRestrictions 15570 = (allUserHandles != null) && (outInfo.origUsers != null); 15571 final PackageSetting disabledPs; 15572 // Confirm if the system package has been updated 15573 // An updated system app can be deleted. This will also have to restore 15574 // the system pkg from system partition 15575 // reader 15576 synchronized (mPackages) { 15577 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15578 } 15579 15580 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15581 + " disabledPs=" + disabledPs); 15582 15583 if (disabledPs == null) { 15584 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15585 return false; 15586 } else if (DEBUG_REMOVE) { 15587 Slog.d(TAG, "Deleting system pkg from data partition"); 15588 } 15589 15590 if (DEBUG_REMOVE) { 15591 if (applyUserRestrictions) { 15592 Slog.d(TAG, "Remembering install states:"); 15593 for (int userId : allUserHandles) { 15594 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15595 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15596 } 15597 } 15598 } 15599 15600 // Delete the updated package 15601 outInfo.isRemovedPackageSystemUpdate = true; 15602 if (outInfo.removedChildPackages != null) { 15603 final int childCount = (deletedPs.childPackageNames != null) 15604 ? deletedPs.childPackageNames.size() : 0; 15605 for (int i = 0; i < childCount; i++) { 15606 String childPackageName = deletedPs.childPackageNames.get(i); 15607 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15608 .contains(childPackageName)) { 15609 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15610 childPackageName); 15611 if (childInfo != null) { 15612 childInfo.isRemovedPackageSystemUpdate = true; 15613 } 15614 } 15615 } 15616 } 15617 15618 if (disabledPs.versionCode < deletedPs.versionCode) { 15619 // Delete data for downgrades 15620 flags &= ~PackageManager.DELETE_KEEP_DATA; 15621 } else { 15622 // Preserve data by setting flag 15623 flags |= PackageManager.DELETE_KEEP_DATA; 15624 } 15625 15626 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15627 outInfo, writeSettings, disabledPs.pkg); 15628 if (!ret) { 15629 return false; 15630 } 15631 15632 // writer 15633 synchronized (mPackages) { 15634 // Reinstate the old system package 15635 enableSystemPackageLPw(disabledPs.pkg); 15636 // Remove any native libraries from the upgraded package. 15637 removeNativeBinariesLI(deletedPs); 15638 } 15639 15640 // Install the system package 15641 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15642 int parseFlags = mDefParseFlags 15643 | PackageParser.PARSE_MUST_BE_APK 15644 | PackageParser.PARSE_IS_SYSTEM 15645 | PackageParser.PARSE_IS_SYSTEM_DIR; 15646 if (locationIsPrivileged(disabledPs.codePath)) { 15647 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15648 } 15649 15650 final PackageParser.Package newPkg; 15651 try { 15652 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15653 } catch (PackageManagerException e) { 15654 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15655 + e.getMessage()); 15656 return false; 15657 } 15658 15659 prepareAppDataAfterInstallLIF(newPkg); 15660 15661 // writer 15662 synchronized (mPackages) { 15663 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15664 15665 // Propagate the permissions state as we do not want to drop on the floor 15666 // runtime permissions. The update permissions method below will take 15667 // care of removing obsolete permissions and grant install permissions. 15668 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15669 updatePermissionsLPw(newPkg.packageName, newPkg, 15670 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15671 15672 if (applyUserRestrictions) { 15673 if (DEBUG_REMOVE) { 15674 Slog.d(TAG, "Propagating install state across reinstall"); 15675 } 15676 for (int userId : allUserHandles) { 15677 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15678 if (DEBUG_REMOVE) { 15679 Slog.d(TAG, " user " + userId + " => " + installed); 15680 } 15681 ps.setInstalled(installed, userId); 15682 15683 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15684 } 15685 // Regardless of writeSettings we need to ensure that this restriction 15686 // state propagation is persisted 15687 mSettings.writeAllUsersPackageRestrictionsLPr(); 15688 } 15689 // can downgrade to reader here 15690 if (writeSettings) { 15691 mSettings.writeLPr(); 15692 } 15693 } 15694 return true; 15695 } 15696 15697 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15698 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15699 PackageRemovedInfo outInfo, boolean writeSettings, 15700 PackageParser.Package replacingPackage) { 15701 synchronized (mPackages) { 15702 if (outInfo != null) { 15703 outInfo.uid = ps.appId; 15704 } 15705 15706 if (outInfo != null && outInfo.removedChildPackages != null) { 15707 final int childCount = (ps.childPackageNames != null) 15708 ? ps.childPackageNames.size() : 0; 15709 for (int i = 0; i < childCount; i++) { 15710 String childPackageName = ps.childPackageNames.get(i); 15711 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15712 if (childPs == null) { 15713 return false; 15714 } 15715 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15716 childPackageName); 15717 if (childInfo != null) { 15718 childInfo.uid = childPs.appId; 15719 } 15720 } 15721 } 15722 } 15723 15724 // Delete package data from internal structures and also remove data if flag is set 15725 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15726 15727 // Delete the child packages data 15728 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15729 for (int i = 0; i < childCount; i++) { 15730 PackageSetting childPs; 15731 synchronized (mPackages) { 15732 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15733 } 15734 if (childPs != null) { 15735 PackageRemovedInfo childOutInfo = (outInfo != null 15736 && outInfo.removedChildPackages != null) 15737 ? outInfo.removedChildPackages.get(childPs.name) : null; 15738 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15739 && (replacingPackage != null 15740 && !replacingPackage.hasChildPackage(childPs.name)) 15741 ? flags & ~DELETE_KEEP_DATA : flags; 15742 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15743 deleteFlags, writeSettings); 15744 } 15745 } 15746 15747 // Delete application code and resources only for parent packages 15748 if (ps.parentPackageName == null) { 15749 if (deleteCodeAndResources && (outInfo != null)) { 15750 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15751 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15752 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15753 } 15754 } 15755 15756 return true; 15757 } 15758 15759 @Override 15760 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15761 int userId) { 15762 mContext.enforceCallingOrSelfPermission( 15763 android.Manifest.permission.DELETE_PACKAGES, null); 15764 synchronized (mPackages) { 15765 PackageSetting ps = mSettings.mPackages.get(packageName); 15766 if (ps == null) { 15767 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15768 return false; 15769 } 15770 if (!ps.getInstalled(userId)) { 15771 // Can't block uninstall for an app that is not installed or enabled. 15772 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15773 return false; 15774 } 15775 ps.setBlockUninstall(blockUninstall, userId); 15776 mSettings.writePackageRestrictionsLPr(userId); 15777 } 15778 return true; 15779 } 15780 15781 @Override 15782 public boolean getBlockUninstallForUser(String packageName, int userId) { 15783 synchronized (mPackages) { 15784 PackageSetting ps = mSettings.mPackages.get(packageName); 15785 if (ps == null) { 15786 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15787 return false; 15788 } 15789 return ps.getBlockUninstall(userId); 15790 } 15791 } 15792 15793 @Override 15794 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15795 int callingUid = Binder.getCallingUid(); 15796 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15797 throw new SecurityException( 15798 "setRequiredForSystemUser can only be run by the system or root"); 15799 } 15800 synchronized (mPackages) { 15801 PackageSetting ps = mSettings.mPackages.get(packageName); 15802 if (ps == null) { 15803 Log.w(TAG, "Package doesn't exist: " + packageName); 15804 return false; 15805 } 15806 if (systemUserApp) { 15807 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15808 } else { 15809 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15810 } 15811 mSettings.writeLPr(); 15812 } 15813 return true; 15814 } 15815 15816 /* 15817 * This method handles package deletion in general 15818 */ 15819 private boolean deletePackageLIF(String packageName, UserHandle user, 15820 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15821 PackageRemovedInfo outInfo, boolean writeSettings, 15822 PackageParser.Package replacingPackage) { 15823 if (packageName == null) { 15824 Slog.w(TAG, "Attempt to delete null packageName."); 15825 return false; 15826 } 15827 15828 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15829 15830 PackageSetting ps; 15831 15832 synchronized (mPackages) { 15833 ps = mSettings.mPackages.get(packageName); 15834 if (ps == null) { 15835 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15836 return false; 15837 } 15838 15839 if (ps.parentPackageName != null && (!isSystemApp(ps) 15840 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15841 if (DEBUG_REMOVE) { 15842 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15843 + ((user == null) ? UserHandle.USER_ALL : user)); 15844 } 15845 final int removedUserId = (user != null) ? user.getIdentifier() 15846 : UserHandle.USER_ALL; 15847 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15848 return false; 15849 } 15850 markPackageUninstalledForUserLPw(ps, user); 15851 scheduleWritePackageRestrictionsLocked(user); 15852 return true; 15853 } 15854 } 15855 15856 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15857 && user.getIdentifier() != UserHandle.USER_ALL)) { 15858 // The caller is asking that the package only be deleted for a single 15859 // user. To do this, we just mark its uninstalled state and delete 15860 // its data. If this is a system app, we only allow this to happen if 15861 // they have set the special DELETE_SYSTEM_APP which requests different 15862 // semantics than normal for uninstalling system apps. 15863 markPackageUninstalledForUserLPw(ps, user); 15864 15865 if (!isSystemApp(ps)) { 15866 // Do not uninstall the APK if an app should be cached 15867 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15868 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15869 // Other user still have this package installed, so all 15870 // we need to do is clear this user's data and save that 15871 // it is uninstalled. 15872 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15873 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15874 return false; 15875 } 15876 scheduleWritePackageRestrictionsLocked(user); 15877 return true; 15878 } else { 15879 // We need to set it back to 'installed' so the uninstall 15880 // broadcasts will be sent correctly. 15881 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15882 ps.setInstalled(true, user.getIdentifier()); 15883 } 15884 } else { 15885 // This is a system app, so we assume that the 15886 // other users still have this package installed, so all 15887 // we need to do is clear this user's data and save that 15888 // it is uninstalled. 15889 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15890 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15891 return false; 15892 } 15893 scheduleWritePackageRestrictionsLocked(user); 15894 return true; 15895 } 15896 } 15897 15898 // If we are deleting a composite package for all users, keep track 15899 // of result for each child. 15900 if (ps.childPackageNames != null && outInfo != null) { 15901 synchronized (mPackages) { 15902 final int childCount = ps.childPackageNames.size(); 15903 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15904 for (int i = 0; i < childCount; i++) { 15905 String childPackageName = ps.childPackageNames.get(i); 15906 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15907 childInfo.removedPackage = childPackageName; 15908 outInfo.removedChildPackages.put(childPackageName, childInfo); 15909 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15910 if (childPs != null) { 15911 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15912 } 15913 } 15914 } 15915 } 15916 15917 boolean ret = false; 15918 if (isSystemApp(ps)) { 15919 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15920 // When an updated system application is deleted we delete the existing resources 15921 // as well and fall back to existing code in system partition 15922 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15923 } else { 15924 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15925 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 15926 outInfo, writeSettings, replacingPackage); 15927 } 15928 15929 // Take a note whether we deleted the package for all users 15930 if (outInfo != null) { 15931 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15932 if (outInfo.removedChildPackages != null) { 15933 synchronized (mPackages) { 15934 final int childCount = outInfo.removedChildPackages.size(); 15935 for (int i = 0; i < childCount; i++) { 15936 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15937 if (childInfo != null) { 15938 childInfo.removedForAllUsers = mPackages.get( 15939 childInfo.removedPackage) == null; 15940 } 15941 } 15942 } 15943 } 15944 // If we uninstalled an update to a system app there may be some 15945 // child packages that appeared as they are declared in the system 15946 // app but were not declared in the update. 15947 if (isSystemApp(ps)) { 15948 synchronized (mPackages) { 15949 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15950 final int childCount = (updatedPs.childPackageNames != null) 15951 ? updatedPs.childPackageNames.size() : 0; 15952 for (int i = 0; i < childCount; i++) { 15953 String childPackageName = updatedPs.childPackageNames.get(i); 15954 if (outInfo.removedChildPackages == null 15955 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15956 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15957 if (childPs == null) { 15958 continue; 15959 } 15960 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15961 installRes.name = childPackageName; 15962 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15963 installRes.pkg = mPackages.get(childPackageName); 15964 installRes.uid = childPs.pkg.applicationInfo.uid; 15965 if (outInfo.appearedChildPackages == null) { 15966 outInfo.appearedChildPackages = new ArrayMap<>(); 15967 } 15968 outInfo.appearedChildPackages.put(childPackageName, installRes); 15969 } 15970 } 15971 } 15972 } 15973 } 15974 15975 return ret; 15976 } 15977 15978 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15979 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15980 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15981 for (int nextUserId : userIds) { 15982 if (DEBUG_REMOVE) { 15983 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15984 } 15985 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 15986 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15987 false /*hidden*/, false /*suspended*/, null, null, null, 15988 false /*blockUninstall*/, 15989 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15990 } 15991 } 15992 15993 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 15994 PackageRemovedInfo outInfo) { 15995 final PackageParser.Package pkg; 15996 synchronized (mPackages) { 15997 pkg = mPackages.get(ps.name); 15998 } 15999 16000 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16001 : new int[] {userId}; 16002 for (int nextUserId : userIds) { 16003 if (DEBUG_REMOVE) { 16004 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16005 + nextUserId); 16006 } 16007 16008 destroyAppDataLIF(pkg, userId, 16009 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16010 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16011 schedulePackageCleaning(ps.name, nextUserId, false); 16012 synchronized (mPackages) { 16013 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16014 scheduleWritePackageRestrictionsLocked(nextUserId); 16015 } 16016 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16017 } 16018 } 16019 16020 if (outInfo != null) { 16021 outInfo.removedPackage = ps.name; 16022 outInfo.removedAppId = ps.appId; 16023 outInfo.removedUsers = userIds; 16024 } 16025 16026 return true; 16027 } 16028 16029 private final class ClearStorageConnection implements ServiceConnection { 16030 IMediaContainerService mContainerService; 16031 16032 @Override 16033 public void onServiceConnected(ComponentName name, IBinder service) { 16034 synchronized (this) { 16035 mContainerService = IMediaContainerService.Stub.asInterface(service); 16036 notifyAll(); 16037 } 16038 } 16039 16040 @Override 16041 public void onServiceDisconnected(ComponentName name) { 16042 } 16043 } 16044 16045 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16046 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16047 16048 final boolean mounted; 16049 if (Environment.isExternalStorageEmulated()) { 16050 mounted = true; 16051 } else { 16052 final String status = Environment.getExternalStorageState(); 16053 16054 mounted = status.equals(Environment.MEDIA_MOUNTED) 16055 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16056 } 16057 16058 if (!mounted) { 16059 return; 16060 } 16061 16062 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16063 int[] users; 16064 if (userId == UserHandle.USER_ALL) { 16065 users = sUserManager.getUserIds(); 16066 } else { 16067 users = new int[] { userId }; 16068 } 16069 final ClearStorageConnection conn = new ClearStorageConnection(); 16070 if (mContext.bindServiceAsUser( 16071 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16072 try { 16073 for (int curUser : users) { 16074 long timeout = SystemClock.uptimeMillis() + 5000; 16075 synchronized (conn) { 16076 long now = SystemClock.uptimeMillis(); 16077 while (conn.mContainerService == null && now < timeout) { 16078 try { 16079 conn.wait(timeout - now); 16080 } catch (InterruptedException e) { 16081 } 16082 } 16083 } 16084 if (conn.mContainerService == null) { 16085 return; 16086 } 16087 16088 final UserEnvironment userEnv = new UserEnvironment(curUser); 16089 clearDirectory(conn.mContainerService, 16090 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16091 if (allData) { 16092 clearDirectory(conn.mContainerService, 16093 userEnv.buildExternalStorageAppDataDirs(packageName)); 16094 clearDirectory(conn.mContainerService, 16095 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16096 } 16097 } 16098 } finally { 16099 mContext.unbindService(conn); 16100 } 16101 } 16102 } 16103 16104 @Override 16105 public void clearApplicationProfileData(String packageName) { 16106 enforceSystemOrRoot("Only the system can clear all profile data"); 16107 16108 final PackageParser.Package pkg; 16109 synchronized (mPackages) { 16110 pkg = mPackages.get(packageName); 16111 } 16112 16113 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16114 synchronized (mInstallLock) { 16115 clearAppProfilesLIF(pkg); 16116 } 16117 } 16118 } 16119 16120 @Override 16121 public void clearApplicationUserData(final String packageName, 16122 final IPackageDataObserver observer, final int userId) { 16123 mContext.enforceCallingOrSelfPermission( 16124 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16125 16126 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16127 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16128 16129 final DevicePolicyManagerInternal dpmi = LocalServices 16130 .getService(DevicePolicyManagerInternal.class); 16131 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 16132 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 16133 } 16134 // Queue up an async operation since the package deletion may take a little while. 16135 mHandler.post(new Runnable() { 16136 public void run() { 16137 mHandler.removeCallbacks(this); 16138 final boolean succeeded; 16139 try (PackageFreezer freezer = freezePackage(packageName, 16140 "clearApplicationUserData")) { 16141 synchronized (mInstallLock) { 16142 succeeded = clearApplicationUserDataLIF(packageName, userId); 16143 } 16144 clearExternalStorageDataSync(packageName, userId, true); 16145 } 16146 if (succeeded) { 16147 // invoke DeviceStorageMonitor's update method to clear any notifications 16148 DeviceStorageMonitorInternal dsm = LocalServices 16149 .getService(DeviceStorageMonitorInternal.class); 16150 if (dsm != null) { 16151 dsm.checkMemory(); 16152 } 16153 } 16154 if(observer != null) { 16155 try { 16156 observer.onRemoveCompleted(packageName, succeeded); 16157 } catch (RemoteException e) { 16158 Log.i(TAG, "Observer no longer exists."); 16159 } 16160 } //end if observer 16161 } //end run 16162 }); 16163 } 16164 16165 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16166 if (packageName == null) { 16167 Slog.w(TAG, "Attempt to delete null packageName."); 16168 return false; 16169 } 16170 16171 // Try finding details about the requested package 16172 PackageParser.Package pkg; 16173 synchronized (mPackages) { 16174 pkg = mPackages.get(packageName); 16175 if (pkg == null) { 16176 final PackageSetting ps = mSettings.mPackages.get(packageName); 16177 if (ps != null) { 16178 pkg = ps.pkg; 16179 } 16180 } 16181 16182 if (pkg == null) { 16183 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16184 return false; 16185 } 16186 16187 PackageSetting ps = (PackageSetting) pkg.mExtras; 16188 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16189 } 16190 16191 clearAppDataLIF(pkg, userId, 16192 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16193 16194 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16195 removeKeystoreDataIfNeeded(userId, appId); 16196 16197 final UserManager um = mContext.getSystemService(UserManager.class); 16198 final int flags; 16199 if (um.isUserUnlockingOrUnlocked(userId)) { 16200 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16201 } else if (um.isUserRunning(userId)) { 16202 flags = StorageManager.FLAG_STORAGE_DE; 16203 } else { 16204 flags = 0; 16205 } 16206 prepareAppDataContentsLIF(pkg, userId, flags); 16207 16208 return true; 16209 } 16210 16211 /** 16212 * Reverts user permission state changes (permissions and flags) in 16213 * all packages for a given user. 16214 * 16215 * @param userId The device user for which to do a reset. 16216 */ 16217 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16218 final int packageCount = mPackages.size(); 16219 for (int i = 0; i < packageCount; i++) { 16220 PackageParser.Package pkg = mPackages.valueAt(i); 16221 PackageSetting ps = (PackageSetting) pkg.mExtras; 16222 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16223 } 16224 } 16225 16226 private void resetNetworkPolicies(int userId) { 16227 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16228 } 16229 16230 /** 16231 * Reverts user permission state changes (permissions and flags). 16232 * 16233 * @param ps The package for which to reset. 16234 * @param userId The device user for which to do a reset. 16235 */ 16236 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16237 final PackageSetting ps, final int userId) { 16238 if (ps.pkg == null) { 16239 return; 16240 } 16241 16242 // These are flags that can change base on user actions. 16243 final int userSettableMask = FLAG_PERMISSION_USER_SET 16244 | FLAG_PERMISSION_USER_FIXED 16245 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16246 | FLAG_PERMISSION_REVIEW_REQUIRED; 16247 16248 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16249 | FLAG_PERMISSION_POLICY_FIXED; 16250 16251 boolean writeInstallPermissions = false; 16252 boolean writeRuntimePermissions = false; 16253 16254 final int permissionCount = ps.pkg.requestedPermissions.size(); 16255 for (int i = 0; i < permissionCount; i++) { 16256 String permission = ps.pkg.requestedPermissions.get(i); 16257 16258 BasePermission bp = mSettings.mPermissions.get(permission); 16259 if (bp == null) { 16260 continue; 16261 } 16262 16263 // If shared user we just reset the state to which only this app contributed. 16264 if (ps.sharedUser != null) { 16265 boolean used = false; 16266 final int packageCount = ps.sharedUser.packages.size(); 16267 for (int j = 0; j < packageCount; j++) { 16268 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16269 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16270 && pkg.pkg.requestedPermissions.contains(permission)) { 16271 used = true; 16272 break; 16273 } 16274 } 16275 if (used) { 16276 continue; 16277 } 16278 } 16279 16280 PermissionsState permissionsState = ps.getPermissionsState(); 16281 16282 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16283 16284 // Always clear the user settable flags. 16285 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16286 bp.name) != null; 16287 // If permission review is enabled and this is a legacy app, mark the 16288 // permission as requiring a review as this is the initial state. 16289 int flags = 0; 16290 if (Build.PERMISSIONS_REVIEW_REQUIRED 16291 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16292 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16293 } 16294 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16295 if (hasInstallState) { 16296 writeInstallPermissions = true; 16297 } else { 16298 writeRuntimePermissions = true; 16299 } 16300 } 16301 16302 // Below is only runtime permission handling. 16303 if (!bp.isRuntime()) { 16304 continue; 16305 } 16306 16307 // Never clobber system or policy. 16308 if ((oldFlags & policyOrSystemFlags) != 0) { 16309 continue; 16310 } 16311 16312 // If this permission was granted by default, make sure it is. 16313 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16314 if (permissionsState.grantRuntimePermission(bp, userId) 16315 != PERMISSION_OPERATION_FAILURE) { 16316 writeRuntimePermissions = true; 16317 } 16318 // If permission review is enabled the permissions for a legacy apps 16319 // are represented as constantly granted runtime ones, so don't revoke. 16320 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16321 // Otherwise, reset the permission. 16322 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16323 switch (revokeResult) { 16324 case PERMISSION_OPERATION_SUCCESS: 16325 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16326 writeRuntimePermissions = true; 16327 final int appId = ps.appId; 16328 mHandler.post(new Runnable() { 16329 @Override 16330 public void run() { 16331 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16332 } 16333 }); 16334 } break; 16335 } 16336 } 16337 } 16338 16339 // Synchronously write as we are taking permissions away. 16340 if (writeRuntimePermissions) { 16341 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16342 } 16343 16344 // Synchronously write as we are taking permissions away. 16345 if (writeInstallPermissions) { 16346 mSettings.writeLPr(); 16347 } 16348 } 16349 16350 /** 16351 * Remove entries from the keystore daemon. Will only remove it if the 16352 * {@code appId} is valid. 16353 */ 16354 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16355 if (appId < 0) { 16356 return; 16357 } 16358 16359 final KeyStore keyStore = KeyStore.getInstance(); 16360 if (keyStore != null) { 16361 if (userId == UserHandle.USER_ALL) { 16362 for (final int individual : sUserManager.getUserIds()) { 16363 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16364 } 16365 } else { 16366 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16367 } 16368 } else { 16369 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16370 } 16371 } 16372 16373 @Override 16374 public void deleteApplicationCacheFiles(final String packageName, 16375 final IPackageDataObserver observer) { 16376 final int userId = UserHandle.getCallingUserId(); 16377 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16378 } 16379 16380 @Override 16381 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16382 final IPackageDataObserver observer) { 16383 mContext.enforceCallingOrSelfPermission( 16384 android.Manifest.permission.DELETE_CACHE_FILES, null); 16385 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16386 /* requireFullPermission= */ true, /* checkShell= */ false, 16387 "delete application cache files"); 16388 16389 final PackageParser.Package pkg; 16390 synchronized (mPackages) { 16391 pkg = mPackages.get(packageName); 16392 } 16393 16394 // Queue up an async operation since the package deletion may take a little while. 16395 mHandler.post(new Runnable() { 16396 public void run() { 16397 synchronized (mInstallLock) { 16398 final int flags = StorageManager.FLAG_STORAGE_DE 16399 | StorageManager.FLAG_STORAGE_CE; 16400 // We're only clearing cache files, so we don't care if the 16401 // app is unfrozen and still able to run 16402 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16403 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16404 } 16405 clearExternalStorageDataSync(packageName, userId, false); 16406 if (observer != null) { 16407 try { 16408 observer.onRemoveCompleted(packageName, true); 16409 } catch (RemoteException e) { 16410 Log.i(TAG, "Observer no longer exists."); 16411 } 16412 } 16413 } 16414 }); 16415 } 16416 16417 @Override 16418 public void getPackageSizeInfo(final String packageName, int userHandle, 16419 final IPackageStatsObserver observer) { 16420 mContext.enforceCallingOrSelfPermission( 16421 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16422 if (packageName == null) { 16423 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16424 } 16425 16426 PackageStats stats = new PackageStats(packageName, userHandle); 16427 16428 /* 16429 * Queue up an async operation since the package measurement may take a 16430 * little while. 16431 */ 16432 Message msg = mHandler.obtainMessage(INIT_COPY); 16433 msg.obj = new MeasureParams(stats, observer); 16434 mHandler.sendMessage(msg); 16435 } 16436 16437 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16438 final PackageSetting ps; 16439 synchronized (mPackages) { 16440 ps = mSettings.mPackages.get(packageName); 16441 if (ps == null) { 16442 Slog.w(TAG, "Failed to find settings for " + packageName); 16443 return false; 16444 } 16445 } 16446 try { 16447 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16448 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16449 ps.getCeDataInode(userId), ps.codePathString, stats); 16450 } catch (InstallerException e) { 16451 Slog.w(TAG, String.valueOf(e)); 16452 return false; 16453 } 16454 16455 // For now, ignore code size of packages on system partition 16456 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16457 stats.codeSize = 0; 16458 } 16459 16460 return true; 16461 } 16462 16463 private int getUidTargetSdkVersionLockedLPr(int uid) { 16464 Object obj = mSettings.getUserIdLPr(uid); 16465 if (obj instanceof SharedUserSetting) { 16466 final SharedUserSetting sus = (SharedUserSetting) obj; 16467 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16468 final Iterator<PackageSetting> it = sus.packages.iterator(); 16469 while (it.hasNext()) { 16470 final PackageSetting ps = it.next(); 16471 if (ps.pkg != null) { 16472 int v = ps.pkg.applicationInfo.targetSdkVersion; 16473 if (v < vers) vers = v; 16474 } 16475 } 16476 return vers; 16477 } else if (obj instanceof PackageSetting) { 16478 final PackageSetting ps = (PackageSetting) obj; 16479 if (ps.pkg != null) { 16480 return ps.pkg.applicationInfo.targetSdkVersion; 16481 } 16482 } 16483 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16484 } 16485 16486 @Override 16487 public void addPreferredActivity(IntentFilter filter, int match, 16488 ComponentName[] set, ComponentName activity, int userId) { 16489 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16490 "Adding preferred"); 16491 } 16492 16493 private void addPreferredActivityInternal(IntentFilter filter, int match, 16494 ComponentName[] set, ComponentName activity, boolean always, int userId, 16495 String opname) { 16496 // writer 16497 int callingUid = Binder.getCallingUid(); 16498 enforceCrossUserPermission(callingUid, userId, 16499 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16500 if (filter.countActions() == 0) { 16501 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16502 return; 16503 } 16504 synchronized (mPackages) { 16505 if (mContext.checkCallingOrSelfPermission( 16506 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16507 != PackageManager.PERMISSION_GRANTED) { 16508 if (getUidTargetSdkVersionLockedLPr(callingUid) 16509 < Build.VERSION_CODES.FROYO) { 16510 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16511 + callingUid); 16512 return; 16513 } 16514 mContext.enforceCallingOrSelfPermission( 16515 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16516 } 16517 16518 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16519 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16520 + userId + ":"); 16521 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16522 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16523 scheduleWritePackageRestrictionsLocked(userId); 16524 } 16525 } 16526 16527 @Override 16528 public void replacePreferredActivity(IntentFilter filter, int match, 16529 ComponentName[] set, ComponentName activity, int userId) { 16530 if (filter.countActions() != 1) { 16531 throw new IllegalArgumentException( 16532 "replacePreferredActivity expects filter to have only 1 action."); 16533 } 16534 if (filter.countDataAuthorities() != 0 16535 || filter.countDataPaths() != 0 16536 || filter.countDataSchemes() > 1 16537 || filter.countDataTypes() != 0) { 16538 throw new IllegalArgumentException( 16539 "replacePreferredActivity expects filter to have no data authorities, " + 16540 "paths, or types; and at most one scheme."); 16541 } 16542 16543 final int callingUid = Binder.getCallingUid(); 16544 enforceCrossUserPermission(callingUid, userId, 16545 true /* requireFullPermission */, false /* checkShell */, 16546 "replace preferred activity"); 16547 synchronized (mPackages) { 16548 if (mContext.checkCallingOrSelfPermission( 16549 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16550 != PackageManager.PERMISSION_GRANTED) { 16551 if (getUidTargetSdkVersionLockedLPr(callingUid) 16552 < Build.VERSION_CODES.FROYO) { 16553 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16554 + Binder.getCallingUid()); 16555 return; 16556 } 16557 mContext.enforceCallingOrSelfPermission( 16558 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16559 } 16560 16561 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16562 if (pir != null) { 16563 // Get all of the existing entries that exactly match this filter. 16564 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16565 if (existing != null && existing.size() == 1) { 16566 PreferredActivity cur = existing.get(0); 16567 if (DEBUG_PREFERRED) { 16568 Slog.i(TAG, "Checking replace of preferred:"); 16569 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16570 if (!cur.mPref.mAlways) { 16571 Slog.i(TAG, " -- CUR; not mAlways!"); 16572 } else { 16573 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16574 Slog.i(TAG, " -- CUR: mSet=" 16575 + Arrays.toString(cur.mPref.mSetComponents)); 16576 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16577 Slog.i(TAG, " -- NEW: mMatch=" 16578 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16579 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16580 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16581 } 16582 } 16583 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16584 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16585 && cur.mPref.sameSet(set)) { 16586 // Setting the preferred activity to what it happens to be already 16587 if (DEBUG_PREFERRED) { 16588 Slog.i(TAG, "Replacing with same preferred activity " 16589 + cur.mPref.mShortComponent + " for user " 16590 + userId + ":"); 16591 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16592 } 16593 return; 16594 } 16595 } 16596 16597 if (existing != null) { 16598 if (DEBUG_PREFERRED) { 16599 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16600 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16601 } 16602 for (int i = 0; i < existing.size(); i++) { 16603 PreferredActivity pa = existing.get(i); 16604 if (DEBUG_PREFERRED) { 16605 Slog.i(TAG, "Removing existing preferred activity " 16606 + pa.mPref.mComponent + ":"); 16607 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16608 } 16609 pir.removeFilter(pa); 16610 } 16611 } 16612 } 16613 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16614 "Replacing preferred"); 16615 } 16616 } 16617 16618 @Override 16619 public void clearPackagePreferredActivities(String packageName) { 16620 final int uid = Binder.getCallingUid(); 16621 // writer 16622 synchronized (mPackages) { 16623 PackageParser.Package pkg = mPackages.get(packageName); 16624 if (pkg == null || pkg.applicationInfo.uid != uid) { 16625 if (mContext.checkCallingOrSelfPermission( 16626 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16627 != PackageManager.PERMISSION_GRANTED) { 16628 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16629 < Build.VERSION_CODES.FROYO) { 16630 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16631 + Binder.getCallingUid()); 16632 return; 16633 } 16634 mContext.enforceCallingOrSelfPermission( 16635 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16636 } 16637 } 16638 16639 int user = UserHandle.getCallingUserId(); 16640 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16641 scheduleWritePackageRestrictionsLocked(user); 16642 } 16643 } 16644 } 16645 16646 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16647 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16648 ArrayList<PreferredActivity> removed = null; 16649 boolean changed = false; 16650 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16651 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16652 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16653 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16654 continue; 16655 } 16656 Iterator<PreferredActivity> it = pir.filterIterator(); 16657 while (it.hasNext()) { 16658 PreferredActivity pa = it.next(); 16659 // Mark entry for removal only if it matches the package name 16660 // and the entry is of type "always". 16661 if (packageName == null || 16662 (pa.mPref.mComponent.getPackageName().equals(packageName) 16663 && pa.mPref.mAlways)) { 16664 if (removed == null) { 16665 removed = new ArrayList<PreferredActivity>(); 16666 } 16667 removed.add(pa); 16668 } 16669 } 16670 if (removed != null) { 16671 for (int j=0; j<removed.size(); j++) { 16672 PreferredActivity pa = removed.get(j); 16673 pir.removeFilter(pa); 16674 } 16675 changed = true; 16676 } 16677 } 16678 return changed; 16679 } 16680 16681 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16682 private void clearIntentFilterVerificationsLPw(int userId) { 16683 final int packageCount = mPackages.size(); 16684 for (int i = 0; i < packageCount; i++) { 16685 PackageParser.Package pkg = mPackages.valueAt(i); 16686 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16687 } 16688 } 16689 16690 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16691 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16692 if (userId == UserHandle.USER_ALL) { 16693 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16694 sUserManager.getUserIds())) { 16695 for (int oneUserId : sUserManager.getUserIds()) { 16696 scheduleWritePackageRestrictionsLocked(oneUserId); 16697 } 16698 } 16699 } else { 16700 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16701 scheduleWritePackageRestrictionsLocked(userId); 16702 } 16703 } 16704 } 16705 16706 void clearDefaultBrowserIfNeeded(String packageName) { 16707 for (int oneUserId : sUserManager.getUserIds()) { 16708 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16709 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16710 if (packageName.equals(defaultBrowserPackageName)) { 16711 setDefaultBrowserPackageName(null, oneUserId); 16712 } 16713 } 16714 } 16715 16716 @Override 16717 public void resetApplicationPreferences(int userId) { 16718 mContext.enforceCallingOrSelfPermission( 16719 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16720 final long identity = Binder.clearCallingIdentity(); 16721 // writer 16722 try { 16723 synchronized (mPackages) { 16724 clearPackagePreferredActivitiesLPw(null, userId); 16725 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16726 // TODO: We have to reset the default SMS and Phone. This requires 16727 // significant refactoring to keep all default apps in the package 16728 // manager (cleaner but more work) or have the services provide 16729 // callbacks to the package manager to request a default app reset. 16730 applyFactoryDefaultBrowserLPw(userId); 16731 clearIntentFilterVerificationsLPw(userId); 16732 primeDomainVerificationsLPw(userId); 16733 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16734 scheduleWritePackageRestrictionsLocked(userId); 16735 } 16736 resetNetworkPolicies(userId); 16737 } finally { 16738 Binder.restoreCallingIdentity(identity); 16739 } 16740 } 16741 16742 @Override 16743 public int getPreferredActivities(List<IntentFilter> outFilters, 16744 List<ComponentName> outActivities, String packageName) { 16745 16746 int num = 0; 16747 final int userId = UserHandle.getCallingUserId(); 16748 // reader 16749 synchronized (mPackages) { 16750 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16751 if (pir != null) { 16752 final Iterator<PreferredActivity> it = pir.filterIterator(); 16753 while (it.hasNext()) { 16754 final PreferredActivity pa = it.next(); 16755 if (packageName == null 16756 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16757 && pa.mPref.mAlways)) { 16758 if (outFilters != null) { 16759 outFilters.add(new IntentFilter(pa)); 16760 } 16761 if (outActivities != null) { 16762 outActivities.add(pa.mPref.mComponent); 16763 } 16764 } 16765 } 16766 } 16767 } 16768 16769 return num; 16770 } 16771 16772 @Override 16773 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16774 int userId) { 16775 int callingUid = Binder.getCallingUid(); 16776 if (callingUid != Process.SYSTEM_UID) { 16777 throw new SecurityException( 16778 "addPersistentPreferredActivity can only be run by the system"); 16779 } 16780 if (filter.countActions() == 0) { 16781 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16782 return; 16783 } 16784 synchronized (mPackages) { 16785 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16786 ":"); 16787 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16788 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16789 new PersistentPreferredActivity(filter, activity)); 16790 scheduleWritePackageRestrictionsLocked(userId); 16791 } 16792 } 16793 16794 @Override 16795 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16796 int callingUid = Binder.getCallingUid(); 16797 if (callingUid != Process.SYSTEM_UID) { 16798 throw new SecurityException( 16799 "clearPackagePersistentPreferredActivities can only be run by the system"); 16800 } 16801 ArrayList<PersistentPreferredActivity> removed = null; 16802 boolean changed = false; 16803 synchronized (mPackages) { 16804 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16805 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16806 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16807 .valueAt(i); 16808 if (userId != thisUserId) { 16809 continue; 16810 } 16811 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16812 while (it.hasNext()) { 16813 PersistentPreferredActivity ppa = it.next(); 16814 // Mark entry for removal only if it matches the package name. 16815 if (ppa.mComponent.getPackageName().equals(packageName)) { 16816 if (removed == null) { 16817 removed = new ArrayList<PersistentPreferredActivity>(); 16818 } 16819 removed.add(ppa); 16820 } 16821 } 16822 if (removed != null) { 16823 for (int j=0; j<removed.size(); j++) { 16824 PersistentPreferredActivity ppa = removed.get(j); 16825 ppir.removeFilter(ppa); 16826 } 16827 changed = true; 16828 } 16829 } 16830 16831 if (changed) { 16832 scheduleWritePackageRestrictionsLocked(userId); 16833 } 16834 } 16835 } 16836 16837 /** 16838 * Common machinery for picking apart a restored XML blob and passing 16839 * it to a caller-supplied functor to be applied to the running system. 16840 */ 16841 private void restoreFromXml(XmlPullParser parser, int userId, 16842 String expectedStartTag, BlobXmlRestorer functor) 16843 throws IOException, XmlPullParserException { 16844 int type; 16845 while ((type = parser.next()) != XmlPullParser.START_TAG 16846 && type != XmlPullParser.END_DOCUMENT) { 16847 } 16848 if (type != XmlPullParser.START_TAG) { 16849 // oops didn't find a start tag?! 16850 if (DEBUG_BACKUP) { 16851 Slog.e(TAG, "Didn't find start tag during restore"); 16852 } 16853 return; 16854 } 16855Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16856 // this is supposed to be TAG_PREFERRED_BACKUP 16857 if (!expectedStartTag.equals(parser.getName())) { 16858 if (DEBUG_BACKUP) { 16859 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16860 } 16861 return; 16862 } 16863 16864 // skip interfering stuff, then we're aligned with the backing implementation 16865 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16866Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16867 functor.apply(parser, userId); 16868 } 16869 16870 private interface BlobXmlRestorer { 16871 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16872 } 16873 16874 /** 16875 * Non-Binder method, support for the backup/restore mechanism: write the 16876 * full set of preferred activities in its canonical XML format. Returns the 16877 * XML output as a byte array, or null if there is none. 16878 */ 16879 @Override 16880 public byte[] getPreferredActivityBackup(int userId) { 16881 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16882 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16883 } 16884 16885 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16886 try { 16887 final XmlSerializer serializer = new FastXmlSerializer(); 16888 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16889 serializer.startDocument(null, true); 16890 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16891 16892 synchronized (mPackages) { 16893 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16894 } 16895 16896 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16897 serializer.endDocument(); 16898 serializer.flush(); 16899 } catch (Exception e) { 16900 if (DEBUG_BACKUP) { 16901 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16902 } 16903 return null; 16904 } 16905 16906 return dataStream.toByteArray(); 16907 } 16908 16909 @Override 16910 public void restorePreferredActivities(byte[] backup, int userId) { 16911 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16912 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16913 } 16914 16915 try { 16916 final XmlPullParser parser = Xml.newPullParser(); 16917 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16918 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16919 new BlobXmlRestorer() { 16920 @Override 16921 public void apply(XmlPullParser parser, int userId) 16922 throws XmlPullParserException, IOException { 16923 synchronized (mPackages) { 16924 mSettings.readPreferredActivitiesLPw(parser, userId); 16925 } 16926 } 16927 } ); 16928 } catch (Exception e) { 16929 if (DEBUG_BACKUP) { 16930 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16931 } 16932 } 16933 } 16934 16935 /** 16936 * Non-Binder method, support for the backup/restore mechanism: write the 16937 * default browser (etc) settings in its canonical XML format. Returns the default 16938 * browser XML representation as a byte array, or null if there is none. 16939 */ 16940 @Override 16941 public byte[] getDefaultAppsBackup(int userId) { 16942 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16943 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16944 } 16945 16946 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16947 try { 16948 final XmlSerializer serializer = new FastXmlSerializer(); 16949 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16950 serializer.startDocument(null, true); 16951 serializer.startTag(null, TAG_DEFAULT_APPS); 16952 16953 synchronized (mPackages) { 16954 mSettings.writeDefaultAppsLPr(serializer, userId); 16955 } 16956 16957 serializer.endTag(null, TAG_DEFAULT_APPS); 16958 serializer.endDocument(); 16959 serializer.flush(); 16960 } catch (Exception e) { 16961 if (DEBUG_BACKUP) { 16962 Slog.e(TAG, "Unable to write default apps for backup", e); 16963 } 16964 return null; 16965 } 16966 16967 return dataStream.toByteArray(); 16968 } 16969 16970 @Override 16971 public void restoreDefaultApps(byte[] backup, int userId) { 16972 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16973 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16974 } 16975 16976 try { 16977 final XmlPullParser parser = Xml.newPullParser(); 16978 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16979 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16980 new BlobXmlRestorer() { 16981 @Override 16982 public void apply(XmlPullParser parser, int userId) 16983 throws XmlPullParserException, IOException { 16984 synchronized (mPackages) { 16985 mSettings.readDefaultAppsLPw(parser, userId); 16986 } 16987 } 16988 } ); 16989 } catch (Exception e) { 16990 if (DEBUG_BACKUP) { 16991 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16992 } 16993 } 16994 } 16995 16996 @Override 16997 public byte[] getIntentFilterVerificationBackup(int userId) { 16998 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16999 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17000 } 17001 17002 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17003 try { 17004 final XmlSerializer serializer = new FastXmlSerializer(); 17005 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17006 serializer.startDocument(null, true); 17007 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17008 17009 synchronized (mPackages) { 17010 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17011 } 17012 17013 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17014 serializer.endDocument(); 17015 serializer.flush(); 17016 } catch (Exception e) { 17017 if (DEBUG_BACKUP) { 17018 Slog.e(TAG, "Unable to write default apps for backup", e); 17019 } 17020 return null; 17021 } 17022 17023 return dataStream.toByteArray(); 17024 } 17025 17026 @Override 17027 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17028 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17029 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17030 } 17031 17032 try { 17033 final XmlPullParser parser = Xml.newPullParser(); 17034 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17035 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17036 new BlobXmlRestorer() { 17037 @Override 17038 public void apply(XmlPullParser parser, int userId) 17039 throws XmlPullParserException, IOException { 17040 synchronized (mPackages) { 17041 mSettings.readAllDomainVerificationsLPr(parser, userId); 17042 mSettings.writeLPr(); 17043 } 17044 } 17045 } ); 17046 } catch (Exception e) { 17047 if (DEBUG_BACKUP) { 17048 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17049 } 17050 } 17051 } 17052 17053 @Override 17054 public byte[] getPermissionGrantBackup(int userId) { 17055 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17056 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17057 } 17058 17059 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17060 try { 17061 final XmlSerializer serializer = new FastXmlSerializer(); 17062 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17063 serializer.startDocument(null, true); 17064 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17065 17066 synchronized (mPackages) { 17067 serializeRuntimePermissionGrantsLPr(serializer, userId); 17068 } 17069 17070 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17071 serializer.endDocument(); 17072 serializer.flush(); 17073 } catch (Exception e) { 17074 if (DEBUG_BACKUP) { 17075 Slog.e(TAG, "Unable to write default apps for backup", e); 17076 } 17077 return null; 17078 } 17079 17080 return dataStream.toByteArray(); 17081 } 17082 17083 @Override 17084 public void restorePermissionGrants(byte[] backup, int userId) { 17085 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17086 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17087 } 17088 17089 try { 17090 final XmlPullParser parser = Xml.newPullParser(); 17091 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17092 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17093 new BlobXmlRestorer() { 17094 @Override 17095 public void apply(XmlPullParser parser, int userId) 17096 throws XmlPullParserException, IOException { 17097 synchronized (mPackages) { 17098 processRestoredPermissionGrantsLPr(parser, userId); 17099 } 17100 } 17101 } ); 17102 } catch (Exception e) { 17103 if (DEBUG_BACKUP) { 17104 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17105 } 17106 } 17107 } 17108 17109 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17110 throws IOException { 17111 serializer.startTag(null, TAG_ALL_GRANTS); 17112 17113 final int N = mSettings.mPackages.size(); 17114 for (int i = 0; i < N; i++) { 17115 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17116 boolean pkgGrantsKnown = false; 17117 17118 PermissionsState packagePerms = ps.getPermissionsState(); 17119 17120 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17121 final int grantFlags = state.getFlags(); 17122 // only look at grants that are not system/policy fixed 17123 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17124 final boolean isGranted = state.isGranted(); 17125 // And only back up the user-twiddled state bits 17126 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17127 final String packageName = mSettings.mPackages.keyAt(i); 17128 if (!pkgGrantsKnown) { 17129 serializer.startTag(null, TAG_GRANT); 17130 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17131 pkgGrantsKnown = true; 17132 } 17133 17134 final boolean userSet = 17135 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17136 final boolean userFixed = 17137 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17138 final boolean revoke = 17139 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17140 17141 serializer.startTag(null, TAG_PERMISSION); 17142 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17143 if (isGranted) { 17144 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17145 } 17146 if (userSet) { 17147 serializer.attribute(null, ATTR_USER_SET, "true"); 17148 } 17149 if (userFixed) { 17150 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17151 } 17152 if (revoke) { 17153 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17154 } 17155 serializer.endTag(null, TAG_PERMISSION); 17156 } 17157 } 17158 } 17159 17160 if (pkgGrantsKnown) { 17161 serializer.endTag(null, TAG_GRANT); 17162 } 17163 } 17164 17165 serializer.endTag(null, TAG_ALL_GRANTS); 17166 } 17167 17168 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17169 throws XmlPullParserException, IOException { 17170 String pkgName = null; 17171 int outerDepth = parser.getDepth(); 17172 int type; 17173 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17174 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17175 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17176 continue; 17177 } 17178 17179 final String tagName = parser.getName(); 17180 if (tagName.equals(TAG_GRANT)) { 17181 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17182 if (DEBUG_BACKUP) { 17183 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17184 } 17185 } else if (tagName.equals(TAG_PERMISSION)) { 17186 17187 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17188 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17189 17190 int newFlagSet = 0; 17191 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17192 newFlagSet |= FLAG_PERMISSION_USER_SET; 17193 } 17194 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17195 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17196 } 17197 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17198 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17199 } 17200 if (DEBUG_BACKUP) { 17201 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17202 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17203 } 17204 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17205 if (ps != null) { 17206 // Already installed so we apply the grant immediately 17207 if (DEBUG_BACKUP) { 17208 Slog.v(TAG, " + already installed; applying"); 17209 } 17210 PermissionsState perms = ps.getPermissionsState(); 17211 BasePermission bp = mSettings.mPermissions.get(permName); 17212 if (bp != null) { 17213 if (isGranted) { 17214 perms.grantRuntimePermission(bp, userId); 17215 } 17216 if (newFlagSet != 0) { 17217 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17218 } 17219 } 17220 } else { 17221 // Need to wait for post-restore install to apply the grant 17222 if (DEBUG_BACKUP) { 17223 Slog.v(TAG, " - not yet installed; saving for later"); 17224 } 17225 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17226 isGranted, newFlagSet, userId); 17227 } 17228 } else { 17229 PackageManagerService.reportSettingsProblem(Log.WARN, 17230 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17231 XmlUtils.skipCurrentTag(parser); 17232 } 17233 } 17234 17235 scheduleWriteSettingsLocked(); 17236 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17237 } 17238 17239 @Override 17240 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17241 int sourceUserId, int targetUserId, int flags) { 17242 mContext.enforceCallingOrSelfPermission( 17243 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17244 int callingUid = Binder.getCallingUid(); 17245 enforceOwnerRights(ownerPackage, callingUid); 17246 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17247 if (intentFilter.countActions() == 0) { 17248 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17249 return; 17250 } 17251 synchronized (mPackages) { 17252 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17253 ownerPackage, targetUserId, flags); 17254 CrossProfileIntentResolver resolver = 17255 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17256 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17257 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17258 if (existing != null) { 17259 int size = existing.size(); 17260 for (int i = 0; i < size; i++) { 17261 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17262 return; 17263 } 17264 } 17265 } 17266 resolver.addFilter(newFilter); 17267 scheduleWritePackageRestrictionsLocked(sourceUserId); 17268 } 17269 } 17270 17271 @Override 17272 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17273 mContext.enforceCallingOrSelfPermission( 17274 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17275 int callingUid = Binder.getCallingUid(); 17276 enforceOwnerRights(ownerPackage, callingUid); 17277 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17278 synchronized (mPackages) { 17279 CrossProfileIntentResolver resolver = 17280 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17281 ArraySet<CrossProfileIntentFilter> set = 17282 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17283 for (CrossProfileIntentFilter filter : set) { 17284 if (filter.getOwnerPackage().equals(ownerPackage)) { 17285 resolver.removeFilter(filter); 17286 } 17287 } 17288 scheduleWritePackageRestrictionsLocked(sourceUserId); 17289 } 17290 } 17291 17292 // Enforcing that callingUid is owning pkg on userId 17293 private void enforceOwnerRights(String pkg, int callingUid) { 17294 // The system owns everything. 17295 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17296 return; 17297 } 17298 int callingUserId = UserHandle.getUserId(callingUid); 17299 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17300 if (pi == null) { 17301 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17302 + callingUserId); 17303 } 17304 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17305 throw new SecurityException("Calling uid " + callingUid 17306 + " does not own package " + pkg); 17307 } 17308 } 17309 17310 @Override 17311 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17312 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17313 } 17314 17315 private Intent getHomeIntent() { 17316 Intent intent = new Intent(Intent.ACTION_MAIN); 17317 intent.addCategory(Intent.CATEGORY_HOME); 17318 return intent; 17319 } 17320 17321 private IntentFilter getHomeFilter() { 17322 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17323 filter.addCategory(Intent.CATEGORY_HOME); 17324 filter.addCategory(Intent.CATEGORY_DEFAULT); 17325 return filter; 17326 } 17327 17328 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17329 int userId) { 17330 Intent intent = getHomeIntent(); 17331 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17332 PackageManager.GET_META_DATA, userId); 17333 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17334 true, false, false, userId); 17335 17336 allHomeCandidates.clear(); 17337 if (list != null) { 17338 for (ResolveInfo ri : list) { 17339 allHomeCandidates.add(ri); 17340 } 17341 } 17342 return (preferred == null || preferred.activityInfo == null) 17343 ? null 17344 : new ComponentName(preferred.activityInfo.packageName, 17345 preferred.activityInfo.name); 17346 } 17347 17348 @Override 17349 public void setHomeActivity(ComponentName comp, int userId) { 17350 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17351 getHomeActivitiesAsUser(homeActivities, userId); 17352 17353 boolean found = false; 17354 17355 final int size = homeActivities.size(); 17356 final ComponentName[] set = new ComponentName[size]; 17357 for (int i = 0; i < size; i++) { 17358 final ResolveInfo candidate = homeActivities.get(i); 17359 final ActivityInfo info = candidate.activityInfo; 17360 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17361 set[i] = activityName; 17362 if (!found && activityName.equals(comp)) { 17363 found = true; 17364 } 17365 } 17366 if (!found) { 17367 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17368 + userId); 17369 } 17370 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17371 set, comp, userId); 17372 } 17373 17374 private @Nullable String getSetupWizardPackageName() { 17375 final Intent intent = new Intent(Intent.ACTION_MAIN); 17376 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17377 17378 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17379 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17380 | MATCH_DISABLED_COMPONENTS, 17381 UserHandle.myUserId()); 17382 if (matches.size() == 1) { 17383 return matches.get(0).getComponentInfo().packageName; 17384 } else { 17385 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17386 + ": matches=" + matches); 17387 return null; 17388 } 17389 } 17390 17391 @Override 17392 public void setApplicationEnabledSetting(String appPackageName, 17393 int newState, int flags, int userId, String callingPackage) { 17394 if (!sUserManager.exists(userId)) return; 17395 if (callingPackage == null) { 17396 callingPackage = Integer.toString(Binder.getCallingUid()); 17397 } 17398 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17399 } 17400 17401 @Override 17402 public void setComponentEnabledSetting(ComponentName componentName, 17403 int newState, int flags, int userId) { 17404 if (!sUserManager.exists(userId)) return; 17405 setEnabledSetting(componentName.getPackageName(), 17406 componentName.getClassName(), newState, flags, userId, null); 17407 } 17408 17409 private void setEnabledSetting(final String packageName, String className, int newState, 17410 final int flags, int userId, String callingPackage) { 17411 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17412 || newState == COMPONENT_ENABLED_STATE_ENABLED 17413 || newState == COMPONENT_ENABLED_STATE_DISABLED 17414 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17415 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17416 throw new IllegalArgumentException("Invalid new component state: " 17417 + newState); 17418 } 17419 PackageSetting pkgSetting; 17420 final int uid = Binder.getCallingUid(); 17421 final int permission; 17422 if (uid == Process.SYSTEM_UID) { 17423 permission = PackageManager.PERMISSION_GRANTED; 17424 } else { 17425 permission = mContext.checkCallingOrSelfPermission( 17426 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17427 } 17428 enforceCrossUserPermission(uid, userId, 17429 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17430 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17431 boolean sendNow = false; 17432 boolean isApp = (className == null); 17433 String componentName = isApp ? packageName : className; 17434 int packageUid = -1; 17435 ArrayList<String> components; 17436 17437 // writer 17438 synchronized (mPackages) { 17439 pkgSetting = mSettings.mPackages.get(packageName); 17440 if (pkgSetting == null) { 17441 if (className == null) { 17442 throw new IllegalArgumentException("Unknown package: " + packageName); 17443 } 17444 throw new IllegalArgumentException( 17445 "Unknown component: " + packageName + "/" + className); 17446 } 17447 // Allow root and verify that userId is not being specified by a different user 17448 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 17449 throw new SecurityException( 17450 "Permission Denial: attempt to change component state from pid=" 17451 + Binder.getCallingPid() 17452 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17453 } 17454 if (className == null) { 17455 // We're dealing with an application/package level state change 17456 if (pkgSetting.getEnabled(userId) == newState) { 17457 // Nothing to do 17458 return; 17459 } 17460 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17461 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17462 // Don't care about who enables an app. 17463 callingPackage = null; 17464 } 17465 pkgSetting.setEnabled(newState, userId, callingPackage); 17466 // pkgSetting.pkg.mSetEnabled = newState; 17467 } else { 17468 // We're dealing with a component level state change 17469 // First, verify that this is a valid class name. 17470 PackageParser.Package pkg = pkgSetting.pkg; 17471 if (pkg == null || !pkg.hasComponentClassName(className)) { 17472 if (pkg != null && 17473 pkg.applicationInfo.targetSdkVersion >= 17474 Build.VERSION_CODES.JELLY_BEAN) { 17475 throw new IllegalArgumentException("Component class " + className 17476 + " does not exist in " + packageName); 17477 } else { 17478 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17479 + className + " does not exist in " + packageName); 17480 } 17481 } 17482 switch (newState) { 17483 case COMPONENT_ENABLED_STATE_ENABLED: 17484 if (!pkgSetting.enableComponentLPw(className, userId)) { 17485 return; 17486 } 17487 break; 17488 case COMPONENT_ENABLED_STATE_DISABLED: 17489 if (!pkgSetting.disableComponentLPw(className, userId)) { 17490 return; 17491 } 17492 break; 17493 case COMPONENT_ENABLED_STATE_DEFAULT: 17494 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17495 return; 17496 } 17497 break; 17498 default: 17499 Slog.e(TAG, "Invalid new component state: " + newState); 17500 return; 17501 } 17502 } 17503 scheduleWritePackageRestrictionsLocked(userId); 17504 components = mPendingBroadcasts.get(userId, packageName); 17505 final boolean newPackage = components == null; 17506 if (newPackage) { 17507 components = new ArrayList<String>(); 17508 } 17509 if (!components.contains(componentName)) { 17510 components.add(componentName); 17511 } 17512 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17513 sendNow = true; 17514 // Purge entry from pending broadcast list if another one exists already 17515 // since we are sending one right away. 17516 mPendingBroadcasts.remove(userId, packageName); 17517 } else { 17518 if (newPackage) { 17519 mPendingBroadcasts.put(userId, packageName, components); 17520 } 17521 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17522 // Schedule a message 17523 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17524 } 17525 } 17526 } 17527 17528 long callingId = Binder.clearCallingIdentity(); 17529 try { 17530 if (sendNow) { 17531 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17532 sendPackageChangedBroadcast(packageName, 17533 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17534 } 17535 } finally { 17536 Binder.restoreCallingIdentity(callingId); 17537 } 17538 } 17539 17540 @Override 17541 public void flushPackageRestrictionsAsUser(int userId) { 17542 if (!sUserManager.exists(userId)) { 17543 return; 17544 } 17545 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17546 false /* checkShell */, "flushPackageRestrictions"); 17547 synchronized (mPackages) { 17548 mSettings.writePackageRestrictionsLPr(userId); 17549 mDirtyUsers.remove(userId); 17550 if (mDirtyUsers.isEmpty()) { 17551 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17552 } 17553 } 17554 } 17555 17556 private void sendPackageChangedBroadcast(String packageName, 17557 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17558 if (DEBUG_INSTALL) 17559 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17560 + componentNames); 17561 Bundle extras = new Bundle(4); 17562 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17563 String nameList[] = new String[componentNames.size()]; 17564 componentNames.toArray(nameList); 17565 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17566 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17567 extras.putInt(Intent.EXTRA_UID, packageUid); 17568 // If this is not reporting a change of the overall package, then only send it 17569 // to registered receivers. We don't want to launch a swath of apps for every 17570 // little component state change. 17571 final int flags = !componentNames.contains(packageName) 17572 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17573 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17574 new int[] {UserHandle.getUserId(packageUid)}); 17575 } 17576 17577 @Override 17578 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17579 if (!sUserManager.exists(userId)) return; 17580 final int uid = Binder.getCallingUid(); 17581 final int permission = mContext.checkCallingOrSelfPermission( 17582 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17583 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17584 enforceCrossUserPermission(uid, userId, 17585 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17586 // writer 17587 synchronized (mPackages) { 17588 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17589 allowedByPermission, uid, userId)) { 17590 scheduleWritePackageRestrictionsLocked(userId); 17591 } 17592 } 17593 } 17594 17595 @Override 17596 public String getInstallerPackageName(String packageName) { 17597 // reader 17598 synchronized (mPackages) { 17599 return mSettings.getInstallerPackageNameLPr(packageName); 17600 } 17601 } 17602 17603 public boolean isOrphaned(String packageName) { 17604 // reader 17605 synchronized (mPackages) { 17606 return mSettings.isOrphaned(packageName); 17607 } 17608 } 17609 17610 @Override 17611 public int getApplicationEnabledSetting(String packageName, int userId) { 17612 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17613 int uid = Binder.getCallingUid(); 17614 enforceCrossUserPermission(uid, userId, 17615 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17616 // reader 17617 synchronized (mPackages) { 17618 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17619 } 17620 } 17621 17622 @Override 17623 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17624 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17625 int uid = Binder.getCallingUid(); 17626 enforceCrossUserPermission(uid, userId, 17627 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17628 // reader 17629 synchronized (mPackages) { 17630 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17631 } 17632 } 17633 17634 @Override 17635 public void enterSafeMode() { 17636 enforceSystemOrRoot("Only the system can request entering safe mode"); 17637 17638 if (!mSystemReady) { 17639 mSafeMode = true; 17640 } 17641 } 17642 17643 @Override 17644 public void systemReady() { 17645 mSystemReady = true; 17646 17647 // Read the compatibilty setting when the system is ready. 17648 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17649 mContext.getContentResolver(), 17650 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17651 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17652 if (DEBUG_SETTINGS) { 17653 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17654 } 17655 17656 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17657 17658 synchronized (mPackages) { 17659 // Verify that all of the preferred activity components actually 17660 // exist. It is possible for applications to be updated and at 17661 // that point remove a previously declared activity component that 17662 // had been set as a preferred activity. We try to clean this up 17663 // the next time we encounter that preferred activity, but it is 17664 // possible for the user flow to never be able to return to that 17665 // situation so here we do a sanity check to make sure we haven't 17666 // left any junk around. 17667 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17668 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17669 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17670 removed.clear(); 17671 for (PreferredActivity pa : pir.filterSet()) { 17672 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17673 removed.add(pa); 17674 } 17675 } 17676 if (removed.size() > 0) { 17677 for (int r=0; r<removed.size(); r++) { 17678 PreferredActivity pa = removed.get(r); 17679 Slog.w(TAG, "Removing dangling preferred activity: " 17680 + pa.mPref.mComponent); 17681 pir.removeFilter(pa); 17682 } 17683 mSettings.writePackageRestrictionsLPr( 17684 mSettings.mPreferredActivities.keyAt(i)); 17685 } 17686 } 17687 17688 for (int userId : UserManagerService.getInstance().getUserIds()) { 17689 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17690 grantPermissionsUserIds = ArrayUtils.appendInt( 17691 grantPermissionsUserIds, userId); 17692 } 17693 } 17694 } 17695 sUserManager.systemReady(); 17696 17697 // If we upgraded grant all default permissions before kicking off. 17698 for (int userId : grantPermissionsUserIds) { 17699 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17700 } 17701 17702 // Kick off any messages waiting for system ready 17703 if (mPostSystemReadyMessages != null) { 17704 for (Message msg : mPostSystemReadyMessages) { 17705 msg.sendToTarget(); 17706 } 17707 mPostSystemReadyMessages = null; 17708 } 17709 17710 // Watch for external volumes that come and go over time 17711 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17712 storage.registerListener(mStorageListener); 17713 17714 mInstallerService.systemReady(); 17715 mPackageDexOptimizer.systemReady(); 17716 17717 MountServiceInternal mountServiceInternal = LocalServices.getService( 17718 MountServiceInternal.class); 17719 mountServiceInternal.addExternalStoragePolicy( 17720 new MountServiceInternal.ExternalStorageMountPolicy() { 17721 @Override 17722 public int getMountMode(int uid, String packageName) { 17723 if (Process.isIsolated(uid)) { 17724 return Zygote.MOUNT_EXTERNAL_NONE; 17725 } 17726 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17727 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17728 } 17729 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17730 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17731 } 17732 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17733 return Zygote.MOUNT_EXTERNAL_READ; 17734 } 17735 return Zygote.MOUNT_EXTERNAL_WRITE; 17736 } 17737 17738 @Override 17739 public boolean hasExternalStorage(int uid, String packageName) { 17740 return true; 17741 } 17742 }); 17743 17744 // Now that we're mostly running, clean up stale users and apps 17745 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17746 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17747 } 17748 17749 @Override 17750 public boolean isSafeMode() { 17751 return mSafeMode; 17752 } 17753 17754 @Override 17755 public boolean hasSystemUidErrors() { 17756 return mHasSystemUidErrors; 17757 } 17758 17759 static String arrayToString(int[] array) { 17760 StringBuffer buf = new StringBuffer(128); 17761 buf.append('['); 17762 if (array != null) { 17763 for (int i=0; i<array.length; i++) { 17764 if (i > 0) buf.append(", "); 17765 buf.append(array[i]); 17766 } 17767 } 17768 buf.append(']'); 17769 return buf.toString(); 17770 } 17771 17772 static class DumpState { 17773 public static final int DUMP_LIBS = 1 << 0; 17774 public static final int DUMP_FEATURES = 1 << 1; 17775 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17776 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17777 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17778 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17779 public static final int DUMP_PERMISSIONS = 1 << 6; 17780 public static final int DUMP_PACKAGES = 1 << 7; 17781 public static final int DUMP_SHARED_USERS = 1 << 8; 17782 public static final int DUMP_MESSAGES = 1 << 9; 17783 public static final int DUMP_PROVIDERS = 1 << 10; 17784 public static final int DUMP_VERIFIERS = 1 << 11; 17785 public static final int DUMP_PREFERRED = 1 << 12; 17786 public static final int DUMP_PREFERRED_XML = 1 << 13; 17787 public static final int DUMP_KEYSETS = 1 << 14; 17788 public static final int DUMP_VERSION = 1 << 15; 17789 public static final int DUMP_INSTALLS = 1 << 16; 17790 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17791 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17792 public static final int DUMP_FROZEN = 1 << 19; 17793 public static final int DUMP_DEXOPT = 1 << 20; 17794 17795 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17796 17797 private int mTypes; 17798 17799 private int mOptions; 17800 17801 private boolean mTitlePrinted; 17802 17803 private SharedUserSetting mSharedUser; 17804 17805 public boolean isDumping(int type) { 17806 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17807 return true; 17808 } 17809 17810 return (mTypes & type) != 0; 17811 } 17812 17813 public void setDump(int type) { 17814 mTypes |= type; 17815 } 17816 17817 public boolean isOptionEnabled(int option) { 17818 return (mOptions & option) != 0; 17819 } 17820 17821 public void setOptionEnabled(int option) { 17822 mOptions |= option; 17823 } 17824 17825 public boolean onTitlePrinted() { 17826 final boolean printed = mTitlePrinted; 17827 mTitlePrinted = true; 17828 return printed; 17829 } 17830 17831 public boolean getTitlePrinted() { 17832 return mTitlePrinted; 17833 } 17834 17835 public void setTitlePrinted(boolean enabled) { 17836 mTitlePrinted = enabled; 17837 } 17838 17839 public SharedUserSetting getSharedUser() { 17840 return mSharedUser; 17841 } 17842 17843 public void setSharedUser(SharedUserSetting user) { 17844 mSharedUser = user; 17845 } 17846 } 17847 17848 @Override 17849 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17850 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17851 (new PackageManagerShellCommand(this)).exec( 17852 this, in, out, err, args, resultReceiver); 17853 } 17854 17855 @Override 17856 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17857 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17858 != PackageManager.PERMISSION_GRANTED) { 17859 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17860 + Binder.getCallingPid() 17861 + ", uid=" + Binder.getCallingUid() 17862 + " without permission " 17863 + android.Manifest.permission.DUMP); 17864 return; 17865 } 17866 17867 DumpState dumpState = new DumpState(); 17868 boolean fullPreferred = false; 17869 boolean checkin = false; 17870 17871 String packageName = null; 17872 ArraySet<String> permissionNames = null; 17873 17874 int opti = 0; 17875 while (opti < args.length) { 17876 String opt = args[opti]; 17877 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17878 break; 17879 } 17880 opti++; 17881 17882 if ("-a".equals(opt)) { 17883 // Right now we only know how to print all. 17884 } else if ("-h".equals(opt)) { 17885 pw.println("Package manager dump options:"); 17886 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17887 pw.println(" --checkin: dump for a checkin"); 17888 pw.println(" -f: print details of intent filters"); 17889 pw.println(" -h: print this help"); 17890 pw.println(" cmd may be one of:"); 17891 pw.println(" l[ibraries]: list known shared libraries"); 17892 pw.println(" f[eatures]: list device features"); 17893 pw.println(" k[eysets]: print known keysets"); 17894 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17895 pw.println(" perm[issions]: dump permissions"); 17896 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17897 pw.println(" pref[erred]: print preferred package settings"); 17898 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17899 pw.println(" prov[iders]: dump content providers"); 17900 pw.println(" p[ackages]: dump installed packages"); 17901 pw.println(" s[hared-users]: dump shared user IDs"); 17902 pw.println(" m[essages]: print collected runtime messages"); 17903 pw.println(" v[erifiers]: print package verifier info"); 17904 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17905 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17906 pw.println(" version: print database version info"); 17907 pw.println(" write: write current settings now"); 17908 pw.println(" installs: details about install sessions"); 17909 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17910 pw.println(" dexopt: dump dexopt state"); 17911 pw.println(" <package.name>: info about given package"); 17912 return; 17913 } else if ("--checkin".equals(opt)) { 17914 checkin = true; 17915 } else if ("-f".equals(opt)) { 17916 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17917 } else { 17918 pw.println("Unknown argument: " + opt + "; use -h for help"); 17919 } 17920 } 17921 17922 // Is the caller requesting to dump a particular piece of data? 17923 if (opti < args.length) { 17924 String cmd = args[opti]; 17925 opti++; 17926 // Is this a package name? 17927 if ("android".equals(cmd) || cmd.contains(".")) { 17928 packageName = cmd; 17929 // When dumping a single package, we always dump all of its 17930 // filter information since the amount of data will be reasonable. 17931 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17932 } else if ("check-permission".equals(cmd)) { 17933 if (opti >= args.length) { 17934 pw.println("Error: check-permission missing permission argument"); 17935 return; 17936 } 17937 String perm = args[opti]; 17938 opti++; 17939 if (opti >= args.length) { 17940 pw.println("Error: check-permission missing package argument"); 17941 return; 17942 } 17943 String pkg = args[opti]; 17944 opti++; 17945 int user = UserHandle.getUserId(Binder.getCallingUid()); 17946 if (opti < args.length) { 17947 try { 17948 user = Integer.parseInt(args[opti]); 17949 } catch (NumberFormatException e) { 17950 pw.println("Error: check-permission user argument is not a number: " 17951 + args[opti]); 17952 return; 17953 } 17954 } 17955 pw.println(checkPermission(perm, pkg, user)); 17956 return; 17957 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17958 dumpState.setDump(DumpState.DUMP_LIBS); 17959 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17960 dumpState.setDump(DumpState.DUMP_FEATURES); 17961 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17962 if (opti >= args.length) { 17963 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17964 | DumpState.DUMP_SERVICE_RESOLVERS 17965 | DumpState.DUMP_RECEIVER_RESOLVERS 17966 | DumpState.DUMP_CONTENT_RESOLVERS); 17967 } else { 17968 while (opti < args.length) { 17969 String name = args[opti]; 17970 if ("a".equals(name) || "activity".equals(name)) { 17971 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17972 } else if ("s".equals(name) || "service".equals(name)) { 17973 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17974 } else if ("r".equals(name) || "receiver".equals(name)) { 17975 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17976 } else if ("c".equals(name) || "content".equals(name)) { 17977 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17978 } else { 17979 pw.println("Error: unknown resolver table type: " + name); 17980 return; 17981 } 17982 opti++; 17983 } 17984 } 17985 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17986 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17987 } else if ("permission".equals(cmd)) { 17988 if (opti >= args.length) { 17989 pw.println("Error: permission requires permission name"); 17990 return; 17991 } 17992 permissionNames = new ArraySet<>(); 17993 while (opti < args.length) { 17994 permissionNames.add(args[opti]); 17995 opti++; 17996 } 17997 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17998 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17999 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18000 dumpState.setDump(DumpState.DUMP_PREFERRED); 18001 } else if ("preferred-xml".equals(cmd)) { 18002 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18003 if (opti < args.length && "--full".equals(args[opti])) { 18004 fullPreferred = true; 18005 opti++; 18006 } 18007 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18008 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18009 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18010 dumpState.setDump(DumpState.DUMP_PACKAGES); 18011 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18012 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18013 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18014 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18015 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18016 dumpState.setDump(DumpState.DUMP_MESSAGES); 18017 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18018 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18019 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18020 || "intent-filter-verifiers".equals(cmd)) { 18021 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18022 } else if ("version".equals(cmd)) { 18023 dumpState.setDump(DumpState.DUMP_VERSION); 18024 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18025 dumpState.setDump(DumpState.DUMP_KEYSETS); 18026 } else if ("installs".equals(cmd)) { 18027 dumpState.setDump(DumpState.DUMP_INSTALLS); 18028 } else if ("frozen".equals(cmd)) { 18029 dumpState.setDump(DumpState.DUMP_FROZEN); 18030 } else if ("dexopt".equals(cmd)) { 18031 dumpState.setDump(DumpState.DUMP_DEXOPT); 18032 } else if ("write".equals(cmd)) { 18033 synchronized (mPackages) { 18034 mSettings.writeLPr(); 18035 pw.println("Settings written."); 18036 return; 18037 } 18038 } 18039 } 18040 18041 if (checkin) { 18042 pw.println("vers,1"); 18043 } 18044 18045 // reader 18046 synchronized (mPackages) { 18047 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18048 if (!checkin) { 18049 if (dumpState.onTitlePrinted()) 18050 pw.println(); 18051 pw.println("Database versions:"); 18052 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18053 } 18054 } 18055 18056 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18057 if (!checkin) { 18058 if (dumpState.onTitlePrinted()) 18059 pw.println(); 18060 pw.println("Verifiers:"); 18061 pw.print(" Required: "); 18062 pw.print(mRequiredVerifierPackage); 18063 pw.print(" (uid="); 18064 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18065 UserHandle.USER_SYSTEM)); 18066 pw.println(")"); 18067 } else if (mRequiredVerifierPackage != null) { 18068 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18069 pw.print(","); 18070 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18071 UserHandle.USER_SYSTEM)); 18072 } 18073 } 18074 18075 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18076 packageName == null) { 18077 if (mIntentFilterVerifierComponent != null) { 18078 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18079 if (!checkin) { 18080 if (dumpState.onTitlePrinted()) 18081 pw.println(); 18082 pw.println("Intent Filter Verifier:"); 18083 pw.print(" Using: "); 18084 pw.print(verifierPackageName); 18085 pw.print(" (uid="); 18086 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18087 UserHandle.USER_SYSTEM)); 18088 pw.println(")"); 18089 } else if (verifierPackageName != null) { 18090 pw.print("ifv,"); pw.print(verifierPackageName); 18091 pw.print(","); 18092 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18093 UserHandle.USER_SYSTEM)); 18094 } 18095 } else { 18096 pw.println(); 18097 pw.println("No Intent Filter Verifier available!"); 18098 } 18099 } 18100 18101 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18102 boolean printedHeader = false; 18103 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18104 while (it.hasNext()) { 18105 String name = it.next(); 18106 SharedLibraryEntry ent = mSharedLibraries.get(name); 18107 if (!checkin) { 18108 if (!printedHeader) { 18109 if (dumpState.onTitlePrinted()) 18110 pw.println(); 18111 pw.println("Libraries:"); 18112 printedHeader = true; 18113 } 18114 pw.print(" "); 18115 } else { 18116 pw.print("lib,"); 18117 } 18118 pw.print(name); 18119 if (!checkin) { 18120 pw.print(" -> "); 18121 } 18122 if (ent.path != null) { 18123 if (!checkin) { 18124 pw.print("(jar) "); 18125 pw.print(ent.path); 18126 } else { 18127 pw.print(",jar,"); 18128 pw.print(ent.path); 18129 } 18130 } else { 18131 if (!checkin) { 18132 pw.print("(apk) "); 18133 pw.print(ent.apk); 18134 } else { 18135 pw.print(",apk,"); 18136 pw.print(ent.apk); 18137 } 18138 } 18139 pw.println(); 18140 } 18141 } 18142 18143 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18144 if (dumpState.onTitlePrinted()) 18145 pw.println(); 18146 if (!checkin) { 18147 pw.println("Features:"); 18148 } 18149 18150 for (FeatureInfo feat : mAvailableFeatures.values()) { 18151 if (checkin) { 18152 pw.print("feat,"); 18153 pw.print(feat.name); 18154 pw.print(","); 18155 pw.println(feat.version); 18156 } else { 18157 pw.print(" "); 18158 pw.print(feat.name); 18159 if (feat.version > 0) { 18160 pw.print(" version="); 18161 pw.print(feat.version); 18162 } 18163 pw.println(); 18164 } 18165 } 18166 } 18167 18168 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18169 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18170 : "Activity Resolver Table:", " ", packageName, 18171 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18172 dumpState.setTitlePrinted(true); 18173 } 18174 } 18175 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18176 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18177 : "Receiver Resolver Table:", " ", packageName, 18178 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18179 dumpState.setTitlePrinted(true); 18180 } 18181 } 18182 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18183 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18184 : "Service Resolver Table:", " ", packageName, 18185 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18186 dumpState.setTitlePrinted(true); 18187 } 18188 } 18189 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18190 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18191 : "Provider Resolver Table:", " ", packageName, 18192 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18193 dumpState.setTitlePrinted(true); 18194 } 18195 } 18196 18197 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18198 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18199 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18200 int user = mSettings.mPreferredActivities.keyAt(i); 18201 if (pir.dump(pw, 18202 dumpState.getTitlePrinted() 18203 ? "\nPreferred Activities User " + user + ":" 18204 : "Preferred Activities User " + user + ":", " ", 18205 packageName, true, false)) { 18206 dumpState.setTitlePrinted(true); 18207 } 18208 } 18209 } 18210 18211 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18212 pw.flush(); 18213 FileOutputStream fout = new FileOutputStream(fd); 18214 BufferedOutputStream str = new BufferedOutputStream(fout); 18215 XmlSerializer serializer = new FastXmlSerializer(); 18216 try { 18217 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18218 serializer.startDocument(null, true); 18219 serializer.setFeature( 18220 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18221 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18222 serializer.endDocument(); 18223 serializer.flush(); 18224 } catch (IllegalArgumentException e) { 18225 pw.println("Failed writing: " + e); 18226 } catch (IllegalStateException e) { 18227 pw.println("Failed writing: " + e); 18228 } catch (IOException e) { 18229 pw.println("Failed writing: " + e); 18230 } 18231 } 18232 18233 if (!checkin 18234 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18235 && packageName == null) { 18236 pw.println(); 18237 int count = mSettings.mPackages.size(); 18238 if (count == 0) { 18239 pw.println("No applications!"); 18240 pw.println(); 18241 } else { 18242 final String prefix = " "; 18243 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18244 if (allPackageSettings.size() == 0) { 18245 pw.println("No domain preferred apps!"); 18246 pw.println(); 18247 } else { 18248 pw.println("App verification status:"); 18249 pw.println(); 18250 count = 0; 18251 for (PackageSetting ps : allPackageSettings) { 18252 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18253 if (ivi == null || ivi.getPackageName() == null) continue; 18254 pw.println(prefix + "Package: " + ivi.getPackageName()); 18255 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18256 pw.println(prefix + "Status: " + ivi.getStatusString()); 18257 pw.println(); 18258 count++; 18259 } 18260 if (count == 0) { 18261 pw.println(prefix + "No app verification established."); 18262 pw.println(); 18263 } 18264 for (int userId : sUserManager.getUserIds()) { 18265 pw.println("App linkages for user " + userId + ":"); 18266 pw.println(); 18267 count = 0; 18268 for (PackageSetting ps : allPackageSettings) { 18269 final long status = ps.getDomainVerificationStatusForUser(userId); 18270 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18271 continue; 18272 } 18273 pw.println(prefix + "Package: " + ps.name); 18274 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18275 String statusStr = IntentFilterVerificationInfo. 18276 getStatusStringFromValue(status); 18277 pw.println(prefix + "Status: " + statusStr); 18278 pw.println(); 18279 count++; 18280 } 18281 if (count == 0) { 18282 pw.println(prefix + "No configured app linkages."); 18283 pw.println(); 18284 } 18285 } 18286 } 18287 } 18288 } 18289 18290 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18291 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18292 if (packageName == null && permissionNames == null) { 18293 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18294 if (iperm == 0) { 18295 if (dumpState.onTitlePrinted()) 18296 pw.println(); 18297 pw.println("AppOp Permissions:"); 18298 } 18299 pw.print(" AppOp Permission "); 18300 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18301 pw.println(":"); 18302 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18303 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18304 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18305 } 18306 } 18307 } 18308 } 18309 18310 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18311 boolean printedSomething = false; 18312 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18313 if (packageName != null && !packageName.equals(p.info.packageName)) { 18314 continue; 18315 } 18316 if (!printedSomething) { 18317 if (dumpState.onTitlePrinted()) 18318 pw.println(); 18319 pw.println("Registered ContentProviders:"); 18320 printedSomething = true; 18321 } 18322 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18323 pw.print(" "); pw.println(p.toString()); 18324 } 18325 printedSomething = false; 18326 for (Map.Entry<String, PackageParser.Provider> entry : 18327 mProvidersByAuthority.entrySet()) { 18328 PackageParser.Provider p = entry.getValue(); 18329 if (packageName != null && !packageName.equals(p.info.packageName)) { 18330 continue; 18331 } 18332 if (!printedSomething) { 18333 if (dumpState.onTitlePrinted()) 18334 pw.println(); 18335 pw.println("ContentProvider Authorities:"); 18336 printedSomething = true; 18337 } 18338 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18339 pw.print(" "); pw.println(p.toString()); 18340 if (p.info != null && p.info.applicationInfo != null) { 18341 final String appInfo = p.info.applicationInfo.toString(); 18342 pw.print(" applicationInfo="); pw.println(appInfo); 18343 } 18344 } 18345 } 18346 18347 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18348 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18349 } 18350 18351 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18352 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18353 } 18354 18355 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18356 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18357 } 18358 18359 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18360 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18361 } 18362 18363 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18364 // XXX should handle packageName != null by dumping only install data that 18365 // the given package is involved with. 18366 if (dumpState.onTitlePrinted()) pw.println(); 18367 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18368 } 18369 18370 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18371 // XXX should handle packageName != null by dumping only install data that 18372 // the given package is involved with. 18373 if (dumpState.onTitlePrinted()) pw.println(); 18374 18375 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18376 ipw.println(); 18377 ipw.println("Frozen packages:"); 18378 ipw.increaseIndent(); 18379 if (mFrozenPackages.size() == 0) { 18380 ipw.println("(none)"); 18381 } else { 18382 for (int i = 0; i < mFrozenPackages.size(); i++) { 18383 ipw.println(mFrozenPackages.valueAt(i)); 18384 } 18385 } 18386 ipw.decreaseIndent(); 18387 } 18388 18389 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18390 if (dumpState.onTitlePrinted()) pw.println(); 18391 dumpDexoptStateLPr(pw, packageName); 18392 } 18393 18394 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18395 if (dumpState.onTitlePrinted()) pw.println(); 18396 mSettings.dumpReadMessagesLPr(pw, dumpState); 18397 18398 pw.println(); 18399 pw.println("Package warning messages:"); 18400 BufferedReader in = null; 18401 String line = null; 18402 try { 18403 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18404 while ((line = in.readLine()) != null) { 18405 if (line.contains("ignored: updated version")) continue; 18406 pw.println(line); 18407 } 18408 } catch (IOException ignored) { 18409 } finally { 18410 IoUtils.closeQuietly(in); 18411 } 18412 } 18413 18414 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18415 BufferedReader in = null; 18416 String line = null; 18417 try { 18418 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18419 while ((line = in.readLine()) != null) { 18420 if (line.contains("ignored: updated version")) continue; 18421 pw.print("msg,"); 18422 pw.println(line); 18423 } 18424 } catch (IOException ignored) { 18425 } finally { 18426 IoUtils.closeQuietly(in); 18427 } 18428 } 18429 } 18430 } 18431 18432 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18433 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18434 ipw.println(); 18435 ipw.println("Dexopt state:"); 18436 ipw.increaseIndent(); 18437 Collection<PackageParser.Package> packages = null; 18438 if (packageName != null) { 18439 PackageParser.Package targetPackage = mPackages.get(packageName); 18440 if (targetPackage != null) { 18441 packages = Collections.singletonList(targetPackage); 18442 } else { 18443 ipw.println("Unable to find package: " + packageName); 18444 return; 18445 } 18446 } else { 18447 packages = mPackages.values(); 18448 } 18449 18450 for (PackageParser.Package pkg : packages) { 18451 ipw.println("[" + pkg.packageName + "]"); 18452 ipw.increaseIndent(); 18453 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18454 ipw.decreaseIndent(); 18455 } 18456 } 18457 18458 private String dumpDomainString(String packageName) { 18459 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18460 .getList(); 18461 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18462 18463 ArraySet<String> result = new ArraySet<>(); 18464 if (iviList.size() > 0) { 18465 for (IntentFilterVerificationInfo ivi : iviList) { 18466 for (String host : ivi.getDomains()) { 18467 result.add(host); 18468 } 18469 } 18470 } 18471 if (filters != null && filters.size() > 0) { 18472 for (IntentFilter filter : filters) { 18473 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18474 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18475 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18476 result.addAll(filter.getHostsList()); 18477 } 18478 } 18479 } 18480 18481 StringBuilder sb = new StringBuilder(result.size() * 16); 18482 for (String domain : result) { 18483 if (sb.length() > 0) sb.append(" "); 18484 sb.append(domain); 18485 } 18486 return sb.toString(); 18487 } 18488 18489 // ------- apps on sdcard specific code ------- 18490 static final boolean DEBUG_SD_INSTALL = false; 18491 18492 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18493 18494 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18495 18496 private boolean mMediaMounted = false; 18497 18498 static String getEncryptKey() { 18499 try { 18500 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18501 SD_ENCRYPTION_KEYSTORE_NAME); 18502 if (sdEncKey == null) { 18503 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18504 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18505 if (sdEncKey == null) { 18506 Slog.e(TAG, "Failed to create encryption keys"); 18507 return null; 18508 } 18509 } 18510 return sdEncKey; 18511 } catch (NoSuchAlgorithmException nsae) { 18512 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18513 return null; 18514 } catch (IOException ioe) { 18515 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18516 return null; 18517 } 18518 } 18519 18520 /* 18521 * Update media status on PackageManager. 18522 */ 18523 @Override 18524 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18525 int callingUid = Binder.getCallingUid(); 18526 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18527 throw new SecurityException("Media status can only be updated by the system"); 18528 } 18529 // reader; this apparently protects mMediaMounted, but should probably 18530 // be a different lock in that case. 18531 synchronized (mPackages) { 18532 Log.i(TAG, "Updating external media status from " 18533 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18534 + (mediaStatus ? "mounted" : "unmounted")); 18535 if (DEBUG_SD_INSTALL) 18536 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18537 + ", mMediaMounted=" + mMediaMounted); 18538 if (mediaStatus == mMediaMounted) { 18539 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18540 : 0, -1); 18541 mHandler.sendMessage(msg); 18542 return; 18543 } 18544 mMediaMounted = mediaStatus; 18545 } 18546 // Queue up an async operation since the package installation may take a 18547 // little while. 18548 mHandler.post(new Runnable() { 18549 public void run() { 18550 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18551 } 18552 }); 18553 } 18554 18555 /** 18556 * Called by MountService when the initial ASECs to scan are available. 18557 * Should block until all the ASEC containers are finished being scanned. 18558 */ 18559 public void scanAvailableAsecs() { 18560 updateExternalMediaStatusInner(true, false, false); 18561 } 18562 18563 /* 18564 * Collect information of applications on external media, map them against 18565 * existing containers and update information based on current mount status. 18566 * Please note that we always have to report status if reportStatus has been 18567 * set to true especially when unloading packages. 18568 */ 18569 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18570 boolean externalStorage) { 18571 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18572 int[] uidArr = EmptyArray.INT; 18573 18574 final String[] list = PackageHelper.getSecureContainerList(); 18575 if (ArrayUtils.isEmpty(list)) { 18576 Log.i(TAG, "No secure containers found"); 18577 } else { 18578 // Process list of secure containers and categorize them 18579 // as active or stale based on their package internal state. 18580 18581 // reader 18582 synchronized (mPackages) { 18583 for (String cid : list) { 18584 // Leave stages untouched for now; installer service owns them 18585 if (PackageInstallerService.isStageName(cid)) continue; 18586 18587 if (DEBUG_SD_INSTALL) 18588 Log.i(TAG, "Processing container " + cid); 18589 String pkgName = getAsecPackageName(cid); 18590 if (pkgName == null) { 18591 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18592 continue; 18593 } 18594 if (DEBUG_SD_INSTALL) 18595 Log.i(TAG, "Looking for pkg : " + pkgName); 18596 18597 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18598 if (ps == null) { 18599 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18600 continue; 18601 } 18602 18603 /* 18604 * Skip packages that are not external if we're unmounting 18605 * external storage. 18606 */ 18607 if (externalStorage && !isMounted && !isExternal(ps)) { 18608 continue; 18609 } 18610 18611 final AsecInstallArgs args = new AsecInstallArgs(cid, 18612 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18613 // The package status is changed only if the code path 18614 // matches between settings and the container id. 18615 if (ps.codePathString != null 18616 && ps.codePathString.startsWith(args.getCodePath())) { 18617 if (DEBUG_SD_INSTALL) { 18618 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18619 + " at code path: " + ps.codePathString); 18620 } 18621 18622 // We do have a valid package installed on sdcard 18623 processCids.put(args, ps.codePathString); 18624 final int uid = ps.appId; 18625 if (uid != -1) { 18626 uidArr = ArrayUtils.appendInt(uidArr, uid); 18627 } 18628 } else { 18629 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18630 + ps.codePathString); 18631 } 18632 } 18633 } 18634 18635 Arrays.sort(uidArr); 18636 } 18637 18638 // Process packages with valid entries. 18639 if (isMounted) { 18640 if (DEBUG_SD_INSTALL) 18641 Log.i(TAG, "Loading packages"); 18642 loadMediaPackages(processCids, uidArr, externalStorage); 18643 startCleaningPackages(); 18644 mInstallerService.onSecureContainersAvailable(); 18645 } else { 18646 if (DEBUG_SD_INSTALL) 18647 Log.i(TAG, "Unloading packages"); 18648 unloadMediaPackages(processCids, uidArr, reportStatus); 18649 } 18650 } 18651 18652 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18653 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18654 final int size = infos.size(); 18655 final String[] packageNames = new String[size]; 18656 final int[] packageUids = new int[size]; 18657 for (int i = 0; i < size; i++) { 18658 final ApplicationInfo info = infos.get(i); 18659 packageNames[i] = info.packageName; 18660 packageUids[i] = info.uid; 18661 } 18662 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18663 finishedReceiver); 18664 } 18665 18666 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18667 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18668 sendResourcesChangedBroadcast(mediaStatus, replacing, 18669 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18670 } 18671 18672 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18673 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18674 int size = pkgList.length; 18675 if (size > 0) { 18676 // Send broadcasts here 18677 Bundle extras = new Bundle(); 18678 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18679 if (uidArr != null) { 18680 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18681 } 18682 if (replacing) { 18683 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18684 } 18685 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18686 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18687 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18688 } 18689 } 18690 18691 /* 18692 * Look at potentially valid container ids from processCids If package 18693 * information doesn't match the one on record or package scanning fails, 18694 * the cid is added to list of removeCids. We currently don't delete stale 18695 * containers. 18696 */ 18697 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18698 boolean externalStorage) { 18699 ArrayList<String> pkgList = new ArrayList<String>(); 18700 Set<AsecInstallArgs> keys = processCids.keySet(); 18701 18702 for (AsecInstallArgs args : keys) { 18703 String codePath = processCids.get(args); 18704 if (DEBUG_SD_INSTALL) 18705 Log.i(TAG, "Loading container : " + args.cid); 18706 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18707 try { 18708 // Make sure there are no container errors first. 18709 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18710 Slog.e(TAG, "Failed to mount cid : " + args.cid 18711 + " when installing from sdcard"); 18712 continue; 18713 } 18714 // Check code path here. 18715 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18716 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18717 + " does not match one in settings " + codePath); 18718 continue; 18719 } 18720 // Parse package 18721 int parseFlags = mDefParseFlags; 18722 if (args.isExternalAsec()) { 18723 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18724 } 18725 if (args.isFwdLocked()) { 18726 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18727 } 18728 18729 synchronized (mInstallLock) { 18730 PackageParser.Package pkg = null; 18731 try { 18732 // Sadly we don't know the package name yet to freeze it 18733 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18734 SCAN_IGNORE_FROZEN, 0, null); 18735 } catch (PackageManagerException e) { 18736 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18737 } 18738 // Scan the package 18739 if (pkg != null) { 18740 /* 18741 * TODO why is the lock being held? doPostInstall is 18742 * called in other places without the lock. This needs 18743 * to be straightened out. 18744 */ 18745 // writer 18746 synchronized (mPackages) { 18747 retCode = PackageManager.INSTALL_SUCCEEDED; 18748 pkgList.add(pkg.packageName); 18749 // Post process args 18750 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18751 pkg.applicationInfo.uid); 18752 } 18753 } else { 18754 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18755 } 18756 } 18757 18758 } finally { 18759 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18760 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18761 } 18762 } 18763 } 18764 // writer 18765 synchronized (mPackages) { 18766 // If the platform SDK has changed since the last time we booted, 18767 // we need to re-grant app permission to catch any new ones that 18768 // appear. This is really a hack, and means that apps can in some 18769 // cases get permissions that the user didn't initially explicitly 18770 // allow... it would be nice to have some better way to handle 18771 // this situation. 18772 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18773 : mSettings.getInternalVersion(); 18774 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18775 : StorageManager.UUID_PRIVATE_INTERNAL; 18776 18777 int updateFlags = UPDATE_PERMISSIONS_ALL; 18778 if (ver.sdkVersion != mSdkVersion) { 18779 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18780 + mSdkVersion + "; regranting permissions for external"); 18781 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18782 } 18783 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18784 18785 // Yay, everything is now upgraded 18786 ver.forceCurrent(); 18787 18788 // can downgrade to reader 18789 // Persist settings 18790 mSettings.writeLPr(); 18791 } 18792 // Send a broadcast to let everyone know we are done processing 18793 if (pkgList.size() > 0) { 18794 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18795 } 18796 } 18797 18798 /* 18799 * Utility method to unload a list of specified containers 18800 */ 18801 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18802 // Just unmount all valid containers. 18803 for (AsecInstallArgs arg : cidArgs) { 18804 synchronized (mInstallLock) { 18805 arg.doPostDeleteLI(false); 18806 } 18807 } 18808 } 18809 18810 /* 18811 * Unload packages mounted on external media. This involves deleting package 18812 * data from internal structures, sending broadcasts about disabled packages, 18813 * gc'ing to free up references, unmounting all secure containers 18814 * corresponding to packages on external media, and posting a 18815 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18816 * that we always have to post this message if status has been requested no 18817 * matter what. 18818 */ 18819 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18820 final boolean reportStatus) { 18821 if (DEBUG_SD_INSTALL) 18822 Log.i(TAG, "unloading media packages"); 18823 ArrayList<String> pkgList = new ArrayList<String>(); 18824 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18825 final Set<AsecInstallArgs> keys = processCids.keySet(); 18826 for (AsecInstallArgs args : keys) { 18827 String pkgName = args.getPackageName(); 18828 if (DEBUG_SD_INSTALL) 18829 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18830 // Delete package internally 18831 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18832 synchronized (mInstallLock) { 18833 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18834 final boolean res; 18835 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 18836 "unloadMediaPackages")) { 18837 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 18838 null); 18839 } 18840 if (res) { 18841 pkgList.add(pkgName); 18842 } else { 18843 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18844 failedList.add(args); 18845 } 18846 } 18847 } 18848 18849 // reader 18850 synchronized (mPackages) { 18851 // We didn't update the settings after removing each package; 18852 // write them now for all packages. 18853 mSettings.writeLPr(); 18854 } 18855 18856 // We have to absolutely send UPDATED_MEDIA_STATUS only 18857 // after confirming that all the receivers processed the ordered 18858 // broadcast when packages get disabled, force a gc to clean things up. 18859 // and unload all the containers. 18860 if (pkgList.size() > 0) { 18861 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18862 new IIntentReceiver.Stub() { 18863 public void performReceive(Intent intent, int resultCode, String data, 18864 Bundle extras, boolean ordered, boolean sticky, 18865 int sendingUser) throws RemoteException { 18866 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18867 reportStatus ? 1 : 0, 1, keys); 18868 mHandler.sendMessage(msg); 18869 } 18870 }); 18871 } else { 18872 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18873 keys); 18874 mHandler.sendMessage(msg); 18875 } 18876 } 18877 18878 private void loadPrivatePackages(final VolumeInfo vol) { 18879 mHandler.post(new Runnable() { 18880 @Override 18881 public void run() { 18882 loadPrivatePackagesInner(vol); 18883 } 18884 }); 18885 } 18886 18887 private void loadPrivatePackagesInner(VolumeInfo vol) { 18888 final String volumeUuid = vol.fsUuid; 18889 if (TextUtils.isEmpty(volumeUuid)) { 18890 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18891 return; 18892 } 18893 18894 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 18895 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18896 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18897 18898 final VersionInfo ver; 18899 final List<PackageSetting> packages; 18900 synchronized (mPackages) { 18901 ver = mSettings.findOrCreateVersion(volumeUuid); 18902 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18903 } 18904 18905 for (PackageSetting ps : packages) { 18906 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 18907 synchronized (mInstallLock) { 18908 final PackageParser.Package pkg; 18909 try { 18910 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18911 loaded.add(pkg.applicationInfo); 18912 18913 } catch (PackageManagerException e) { 18914 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18915 } 18916 18917 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18918 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 18919 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 18920 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18921 } 18922 } 18923 } 18924 18925 // Reconcile app data for all started/unlocked users 18926 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18927 final UserManager um = mContext.getSystemService(UserManager.class); 18928 for (UserInfo user : um.getUsers()) { 18929 final int flags; 18930 if (um.isUserUnlockingOrUnlocked(user.id)) { 18931 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18932 } else if (um.isUserRunning(user.id)) { 18933 flags = StorageManager.FLAG_STORAGE_DE; 18934 } else { 18935 continue; 18936 } 18937 18938 try { 18939 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18940 synchronized (mInstallLock) { 18941 reconcileAppsDataLI(volumeUuid, user.id, flags); 18942 } 18943 } catch (IllegalStateException e) { 18944 // Device was probably ejected, and we'll process that event momentarily 18945 Slog.w(TAG, "Failed to prepare storage: " + e); 18946 } 18947 } 18948 18949 synchronized (mPackages) { 18950 int updateFlags = UPDATE_PERMISSIONS_ALL; 18951 if (ver.sdkVersion != mSdkVersion) { 18952 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18953 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18954 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18955 } 18956 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18957 18958 // Yay, everything is now upgraded 18959 ver.forceCurrent(); 18960 18961 mSettings.writeLPr(); 18962 } 18963 18964 for (PackageFreezer freezer : freezers) { 18965 freezer.close(); 18966 } 18967 18968 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18969 sendResourcesChangedBroadcast(true, false, loaded, null); 18970 } 18971 18972 private void unloadPrivatePackages(final VolumeInfo vol) { 18973 mHandler.post(new Runnable() { 18974 @Override 18975 public void run() { 18976 unloadPrivatePackagesInner(vol); 18977 } 18978 }); 18979 } 18980 18981 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18982 final String volumeUuid = vol.fsUuid; 18983 if (TextUtils.isEmpty(volumeUuid)) { 18984 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18985 return; 18986 } 18987 18988 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18989 synchronized (mInstallLock) { 18990 synchronized (mPackages) { 18991 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18992 for (PackageSetting ps : packages) { 18993 if (ps.pkg == null) continue; 18994 18995 final ApplicationInfo info = ps.pkg.applicationInfo; 18996 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18997 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18998 18999 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19000 "unloadPrivatePackagesInner")) { 19001 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19002 false, null)) { 19003 unloaded.add(info); 19004 } else { 19005 Slog.w(TAG, "Failed to unload " + ps.codePath); 19006 } 19007 } 19008 } 19009 19010 mSettings.writeLPr(); 19011 } 19012 } 19013 19014 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19015 sendResourcesChangedBroadcast(false, false, unloaded, null); 19016 } 19017 19018 /** 19019 * Prepare storage areas for given user on all mounted devices. 19020 */ 19021 void prepareUserData(int userId, int userSerial, int flags) { 19022 synchronized (mInstallLock) { 19023 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19024 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19025 final String volumeUuid = vol.getFsUuid(); 19026 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19027 } 19028 } 19029 } 19030 19031 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19032 boolean allowRecover) { 19033 // Prepare storage and verify that serial numbers are consistent; if 19034 // there's a mismatch we need to destroy to avoid leaking data 19035 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19036 try { 19037 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19038 19039 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19040 UserManagerService.enforceSerialNumber( 19041 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19042 } 19043 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19044 UserManagerService.enforceSerialNumber( 19045 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19046 } 19047 19048 synchronized (mInstallLock) { 19049 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19050 } 19051 } catch (Exception e) { 19052 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19053 + " because we failed to prepare: " + e); 19054 destroyUserDataLI(volumeUuid, userId, 19055 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19056 19057 if (allowRecover) { 19058 // Try one last time; if we fail again we're really in trouble 19059 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19060 } 19061 } 19062 } 19063 19064 /** 19065 * Destroy storage areas for given user on all mounted devices. 19066 */ 19067 void destroyUserData(int userId, int flags) { 19068 synchronized (mInstallLock) { 19069 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19070 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19071 final String volumeUuid = vol.getFsUuid(); 19072 destroyUserDataLI(volumeUuid, userId, flags); 19073 } 19074 } 19075 } 19076 19077 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19078 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19079 try { 19080 // Clean up app data, profile data, and media data 19081 mInstaller.destroyUserData(volumeUuid, userId, flags); 19082 19083 // Clean up system data 19084 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19085 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19086 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19087 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19088 } 19089 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19090 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19091 } 19092 } 19093 19094 // Data with special labels is now gone, so finish the job 19095 storage.destroyUserStorage(volumeUuid, userId, flags); 19096 19097 } catch (Exception e) { 19098 logCriticalInfo(Log.WARN, 19099 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19100 } 19101 } 19102 19103 /** 19104 * Examine all users present on given mounted volume, and destroy data 19105 * belonging to users that are no longer valid, or whose user ID has been 19106 * recycled. 19107 */ 19108 private void reconcileUsers(String volumeUuid) { 19109 final List<File> files = new ArrayList<>(); 19110 Collections.addAll(files, FileUtils 19111 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19112 Collections.addAll(files, FileUtils 19113 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19114 for (File file : files) { 19115 if (!file.isDirectory()) continue; 19116 19117 final int userId; 19118 final UserInfo info; 19119 try { 19120 userId = Integer.parseInt(file.getName()); 19121 info = sUserManager.getUserInfo(userId); 19122 } catch (NumberFormatException e) { 19123 Slog.w(TAG, "Invalid user directory " + file); 19124 continue; 19125 } 19126 19127 boolean destroyUser = false; 19128 if (info == null) { 19129 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19130 + " because no matching user was found"); 19131 destroyUser = true; 19132 } else if (!mOnlyCore) { 19133 try { 19134 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19135 } catch (IOException e) { 19136 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19137 + " because we failed to enforce serial number: " + e); 19138 destroyUser = true; 19139 } 19140 } 19141 19142 if (destroyUser) { 19143 synchronized (mInstallLock) { 19144 destroyUserDataLI(volumeUuid, userId, 19145 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19146 } 19147 } 19148 } 19149 } 19150 19151 private void assertPackageKnown(String volumeUuid, String packageName) 19152 throws PackageManagerException { 19153 synchronized (mPackages) { 19154 final PackageSetting ps = mSettings.mPackages.get(packageName); 19155 if (ps == null) { 19156 throw new PackageManagerException("Package " + packageName + " is unknown"); 19157 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19158 throw new PackageManagerException( 19159 "Package " + packageName + " found on unknown volume " + volumeUuid 19160 + "; expected volume " + ps.volumeUuid); 19161 } 19162 } 19163 } 19164 19165 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19166 throws PackageManagerException { 19167 synchronized (mPackages) { 19168 final PackageSetting ps = mSettings.mPackages.get(packageName); 19169 if (ps == null) { 19170 throw new PackageManagerException("Package " + packageName + " is unknown"); 19171 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19172 throw new PackageManagerException( 19173 "Package " + packageName + " found on unknown volume " + volumeUuid 19174 + "; expected volume " + ps.volumeUuid); 19175 } else if (!ps.getInstalled(userId)) { 19176 throw new PackageManagerException( 19177 "Package " + packageName + " not installed for user " + userId); 19178 } 19179 } 19180 } 19181 19182 /** 19183 * Examine all apps present on given mounted volume, and destroy apps that 19184 * aren't expected, either due to uninstallation or reinstallation on 19185 * another volume. 19186 */ 19187 private void reconcileApps(String volumeUuid) { 19188 final File[] files = FileUtils 19189 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19190 for (File file : files) { 19191 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19192 && !PackageInstallerService.isStageName(file.getName()); 19193 if (!isPackage) { 19194 // Ignore entries which are not packages 19195 continue; 19196 } 19197 19198 try { 19199 final PackageLite pkg = PackageParser.parsePackageLite(file, 19200 PackageParser.PARSE_MUST_BE_APK); 19201 assertPackageKnown(volumeUuid, pkg.packageName); 19202 19203 } catch (PackageParserException | PackageManagerException e) { 19204 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19205 synchronized (mInstallLock) { 19206 removeCodePathLI(file); 19207 } 19208 } 19209 } 19210 } 19211 19212 /** 19213 * Reconcile all app data for the given user. 19214 * <p> 19215 * Verifies that directories exist and that ownership and labeling is 19216 * correct for all installed apps on all mounted volumes. 19217 */ 19218 void reconcileAppsData(int userId, int flags) { 19219 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19220 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19221 final String volumeUuid = vol.getFsUuid(); 19222 synchronized (mInstallLock) { 19223 reconcileAppsDataLI(volumeUuid, userId, flags); 19224 } 19225 } 19226 } 19227 19228 /** 19229 * Reconcile all app data on given mounted volume. 19230 * <p> 19231 * Destroys app data that isn't expected, either due to uninstallation or 19232 * reinstallation on another volume. 19233 * <p> 19234 * Verifies that directories exist and that ownership and labeling is 19235 * correct for all installed apps. 19236 */ 19237 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19238 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19239 + Integer.toHexString(flags)); 19240 19241 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19242 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19243 19244 boolean restoreconNeeded = false; 19245 19246 // First look for stale data that doesn't belong, and check if things 19247 // have changed since we did our last restorecon 19248 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19249 if (StorageManager.isFileEncryptedNativeOrEmulated() 19250 && !StorageManager.isUserKeyUnlocked(userId)) { 19251 throw new RuntimeException( 19252 "Yikes, someone asked us to reconcile CE storage while " + userId 19253 + " was still locked; this would have caused massive data loss!"); 19254 } 19255 19256 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19257 19258 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19259 for (File file : files) { 19260 final String packageName = file.getName(); 19261 try { 19262 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19263 } catch (PackageManagerException e) { 19264 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19265 try { 19266 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19267 StorageManager.FLAG_STORAGE_CE, 0); 19268 } catch (InstallerException e2) { 19269 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19270 } 19271 } 19272 } 19273 } 19274 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19275 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19276 19277 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19278 for (File file : files) { 19279 final String packageName = file.getName(); 19280 try { 19281 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19282 } catch (PackageManagerException e) { 19283 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19284 try { 19285 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19286 StorageManager.FLAG_STORAGE_DE, 0); 19287 } catch (InstallerException e2) { 19288 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19289 } 19290 } 19291 } 19292 } 19293 19294 // Ensure that data directories are ready to roll for all packages 19295 // installed for this volume and user 19296 final List<PackageSetting> packages; 19297 synchronized (mPackages) { 19298 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19299 } 19300 int preparedCount = 0; 19301 for (PackageSetting ps : packages) { 19302 final String packageName = ps.name; 19303 if (ps.pkg == null) { 19304 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19305 // TODO: might be due to legacy ASEC apps; we should circle back 19306 // and reconcile again once they're scanned 19307 continue; 19308 } 19309 19310 if (ps.getInstalled(userId)) { 19311 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19312 19313 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19314 // We may have just shuffled around app data directories, so 19315 // prepare them one more time 19316 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19317 } 19318 19319 preparedCount++; 19320 } 19321 } 19322 19323 if (restoreconNeeded) { 19324 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19325 SELinuxMMAC.setRestoreconDone(ceDir); 19326 } 19327 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19328 SELinuxMMAC.setRestoreconDone(deDir); 19329 } 19330 } 19331 19332 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19333 + " packages; restoreconNeeded was " + restoreconNeeded); 19334 } 19335 19336 /** 19337 * Prepare app data for the given app just after it was installed or 19338 * upgraded. This method carefully only touches users that it's installed 19339 * for, and it forces a restorecon to handle any seinfo changes. 19340 * <p> 19341 * Verifies that directories exist and that ownership and labeling is 19342 * correct for all installed apps. If there is an ownership mismatch, it 19343 * will try recovering system apps by wiping data; third-party app data is 19344 * left intact. 19345 * <p> 19346 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19347 */ 19348 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19349 final PackageSetting ps; 19350 synchronized (mPackages) { 19351 ps = mSettings.mPackages.get(pkg.packageName); 19352 mSettings.writeKernelMappingLPr(ps); 19353 } 19354 19355 final UserManager um = mContext.getSystemService(UserManager.class); 19356 for (UserInfo user : um.getUsers()) { 19357 final int flags; 19358 if (um.isUserUnlockingOrUnlocked(user.id)) { 19359 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19360 } else if (um.isUserRunning(user.id)) { 19361 flags = StorageManager.FLAG_STORAGE_DE; 19362 } else { 19363 continue; 19364 } 19365 19366 if (ps.getInstalled(user.id)) { 19367 // Whenever an app changes, force a restorecon of its data 19368 // TODO: when user data is locked, mark that we're still dirty 19369 prepareAppDataLIF(pkg, user.id, flags, true); 19370 } 19371 } 19372 } 19373 19374 /** 19375 * Prepare app data for the given app. 19376 * <p> 19377 * Verifies that directories exist and that ownership and labeling is 19378 * correct for all installed apps. If there is an ownership mismatch, this 19379 * will try recovering system apps by wiping data; third-party app data is 19380 * left intact. 19381 */ 19382 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19383 boolean restoreconNeeded) { 19384 if (pkg == null) { 19385 Slog.wtf(TAG, "Package was null!", new Throwable()); 19386 return; 19387 } 19388 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19389 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19390 for (int i = 0; i < childCount; i++) { 19391 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19392 } 19393 } 19394 19395 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19396 boolean restoreconNeeded) { 19397 if (DEBUG_APP_DATA) { 19398 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19399 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19400 } 19401 19402 final String volumeUuid = pkg.volumeUuid; 19403 final String packageName = pkg.packageName; 19404 final ApplicationInfo app = pkg.applicationInfo; 19405 final int appId = UserHandle.getAppId(app.uid); 19406 19407 Preconditions.checkNotNull(app.seinfo); 19408 19409 try { 19410 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19411 appId, app.seinfo, app.targetSdkVersion); 19412 } catch (InstallerException e) { 19413 if (app.isSystemApp()) { 19414 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19415 + ", but trying to recover: " + e); 19416 destroyAppDataLeafLIF(pkg, userId, flags); 19417 try { 19418 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19419 appId, app.seinfo, app.targetSdkVersion); 19420 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19421 } catch (InstallerException e2) { 19422 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19423 } 19424 } else { 19425 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19426 } 19427 } 19428 19429 if (restoreconNeeded) { 19430 try { 19431 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19432 app.seinfo); 19433 } catch (InstallerException e) { 19434 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19435 } 19436 } 19437 19438 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19439 try { 19440 // CE storage is unlocked right now, so read out the inode and 19441 // remember for use later when it's locked 19442 // TODO: mark this structure as dirty so we persist it! 19443 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19444 StorageManager.FLAG_STORAGE_CE); 19445 synchronized (mPackages) { 19446 final PackageSetting ps = mSettings.mPackages.get(packageName); 19447 if (ps != null) { 19448 ps.setCeDataInode(ceDataInode, userId); 19449 } 19450 } 19451 } catch (InstallerException e) { 19452 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19453 } 19454 } 19455 19456 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19457 } 19458 19459 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19460 if (pkg == null) { 19461 Slog.wtf(TAG, "Package was null!", new Throwable()); 19462 return; 19463 } 19464 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19465 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19466 for (int i = 0; i < childCount; i++) { 19467 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19468 } 19469 } 19470 19471 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19472 final String volumeUuid = pkg.volumeUuid; 19473 final String packageName = pkg.packageName; 19474 final ApplicationInfo app = pkg.applicationInfo; 19475 19476 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19477 // Create a native library symlink only if we have native libraries 19478 // and if the native libraries are 32 bit libraries. We do not provide 19479 // this symlink for 64 bit libraries. 19480 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19481 final String nativeLibPath = app.nativeLibraryDir; 19482 try { 19483 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19484 nativeLibPath, userId); 19485 } catch (InstallerException e) { 19486 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19487 } 19488 } 19489 } 19490 } 19491 19492 /** 19493 * For system apps on non-FBE devices, this method migrates any existing 19494 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19495 * requested by the app. 19496 */ 19497 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19498 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19499 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19500 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19501 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19502 try { 19503 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19504 storageTarget); 19505 } catch (InstallerException e) { 19506 logCriticalInfo(Log.WARN, 19507 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19508 } 19509 return true; 19510 } else { 19511 return false; 19512 } 19513 } 19514 19515 public PackageFreezer freezePackage(String packageName, String killReason) { 19516 return new PackageFreezer(packageName, killReason); 19517 } 19518 19519 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19520 String killReason) { 19521 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19522 return new PackageFreezer(); 19523 } else { 19524 return freezePackage(packageName, killReason); 19525 } 19526 } 19527 19528 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19529 String killReason) { 19530 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19531 return new PackageFreezer(); 19532 } else { 19533 return freezePackage(packageName, killReason); 19534 } 19535 } 19536 19537 /** 19538 * Class that freezes and kills the given package upon creation, and 19539 * unfreezes it upon closing. This is typically used when doing surgery on 19540 * app code/data to prevent the app from running while you're working. 19541 */ 19542 private class PackageFreezer implements AutoCloseable { 19543 private final String mPackageName; 19544 private final PackageFreezer[] mChildren; 19545 19546 private final boolean mWeFroze; 19547 19548 private final AtomicBoolean mClosed = new AtomicBoolean(); 19549 private final CloseGuard mCloseGuard = CloseGuard.get(); 19550 19551 /** 19552 * Create and return a stub freezer that doesn't actually do anything, 19553 * typically used when someone requested 19554 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19555 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19556 */ 19557 public PackageFreezer() { 19558 mPackageName = null; 19559 mChildren = null; 19560 mWeFroze = false; 19561 mCloseGuard.open("close"); 19562 } 19563 19564 public PackageFreezer(String packageName, String killReason) { 19565 synchronized (mPackages) { 19566 mPackageName = packageName; 19567 mWeFroze = mFrozenPackages.add(mPackageName); 19568 19569 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19570 if (ps != null) { 19571 killApplication(ps.name, ps.appId, killReason); 19572 } 19573 19574 final PackageParser.Package p = mPackages.get(packageName); 19575 if (p != null && p.childPackages != null) { 19576 final int N = p.childPackages.size(); 19577 mChildren = new PackageFreezer[N]; 19578 for (int i = 0; i < N; i++) { 19579 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19580 killReason); 19581 } 19582 } else { 19583 mChildren = null; 19584 } 19585 } 19586 mCloseGuard.open("close"); 19587 } 19588 19589 @Override 19590 protected void finalize() throws Throwable { 19591 try { 19592 mCloseGuard.warnIfOpen(); 19593 close(); 19594 } finally { 19595 super.finalize(); 19596 } 19597 } 19598 19599 @Override 19600 public void close() { 19601 mCloseGuard.close(); 19602 if (mClosed.compareAndSet(false, true)) { 19603 synchronized (mPackages) { 19604 if (mWeFroze) { 19605 mFrozenPackages.remove(mPackageName); 19606 } 19607 19608 if (mChildren != null) { 19609 for (PackageFreezer freezer : mChildren) { 19610 freezer.close(); 19611 } 19612 } 19613 } 19614 } 19615 } 19616 } 19617 19618 /** 19619 * Verify that given package is currently frozen. 19620 */ 19621 private void checkPackageFrozen(String packageName) { 19622 synchronized (mPackages) { 19623 if (!mFrozenPackages.contains(packageName)) { 19624 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19625 } 19626 } 19627 } 19628 19629 @Override 19630 public int movePackage(final String packageName, final String volumeUuid) { 19631 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19632 19633 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19634 final int moveId = mNextMoveId.getAndIncrement(); 19635 mHandler.post(new Runnable() { 19636 @Override 19637 public void run() { 19638 try { 19639 movePackageInternal(packageName, volumeUuid, moveId, user); 19640 } catch (PackageManagerException e) { 19641 Slog.w(TAG, "Failed to move " + packageName, e); 19642 mMoveCallbacks.notifyStatusChanged(moveId, 19643 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19644 } 19645 } 19646 }); 19647 return moveId; 19648 } 19649 19650 private void movePackageInternal(final String packageName, final String volumeUuid, 19651 final int moveId, UserHandle user) throws PackageManagerException { 19652 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19653 final PackageManager pm = mContext.getPackageManager(); 19654 19655 final boolean currentAsec; 19656 final String currentVolumeUuid; 19657 final File codeFile; 19658 final String installerPackageName; 19659 final String packageAbiOverride; 19660 final int appId; 19661 final String seinfo; 19662 final String label; 19663 final int targetSdkVersion; 19664 final PackageFreezer freezer; 19665 final int[] installedUserIds; 19666 19667 // reader 19668 synchronized (mPackages) { 19669 final PackageParser.Package pkg = mPackages.get(packageName); 19670 final PackageSetting ps = mSettings.mPackages.get(packageName); 19671 if (pkg == null || ps == null) { 19672 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19673 } 19674 19675 if (pkg.applicationInfo.isSystemApp()) { 19676 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19677 "Cannot move system application"); 19678 } 19679 19680 if (pkg.applicationInfo.isExternalAsec()) { 19681 currentAsec = true; 19682 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19683 } else if (pkg.applicationInfo.isForwardLocked()) { 19684 currentAsec = true; 19685 currentVolumeUuid = "forward_locked"; 19686 } else { 19687 currentAsec = false; 19688 currentVolumeUuid = ps.volumeUuid; 19689 19690 final File probe = new File(pkg.codePath); 19691 final File probeOat = new File(probe, "oat"); 19692 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19693 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19694 "Move only supported for modern cluster style installs"); 19695 } 19696 } 19697 19698 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19699 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19700 "Package already moved to " + volumeUuid); 19701 } 19702 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19703 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19704 "Device admin cannot be moved"); 19705 } 19706 19707 if (mFrozenPackages.contains(packageName)) { 19708 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19709 "Failed to move already frozen package"); 19710 } 19711 19712 codeFile = new File(pkg.codePath); 19713 installerPackageName = ps.installerPackageName; 19714 packageAbiOverride = ps.cpuAbiOverrideString; 19715 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19716 seinfo = pkg.applicationInfo.seinfo; 19717 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19718 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19719 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19720 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 19721 } 19722 19723 final Bundle extras = new Bundle(); 19724 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19725 extras.putString(Intent.EXTRA_TITLE, label); 19726 mMoveCallbacks.notifyCreated(moveId, extras); 19727 19728 int installFlags; 19729 final boolean moveCompleteApp; 19730 final File measurePath; 19731 19732 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19733 installFlags = INSTALL_INTERNAL; 19734 moveCompleteApp = !currentAsec; 19735 measurePath = Environment.getDataAppDirectory(volumeUuid); 19736 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19737 installFlags = INSTALL_EXTERNAL; 19738 moveCompleteApp = false; 19739 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19740 } else { 19741 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19742 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19743 || !volume.isMountedWritable()) { 19744 freezer.close(); 19745 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19746 "Move location not mounted private volume"); 19747 } 19748 19749 Preconditions.checkState(!currentAsec); 19750 19751 installFlags = INSTALL_INTERNAL; 19752 moveCompleteApp = true; 19753 measurePath = Environment.getDataAppDirectory(volumeUuid); 19754 } 19755 19756 final PackageStats stats = new PackageStats(null, -1); 19757 synchronized (mInstaller) { 19758 for (int userId : installedUserIds) { 19759 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 19760 freezer.close(); 19761 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19762 "Failed to measure package size"); 19763 } 19764 } 19765 } 19766 19767 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19768 + stats.dataSize); 19769 19770 final long startFreeBytes = measurePath.getFreeSpace(); 19771 final long sizeBytes; 19772 if (moveCompleteApp) { 19773 sizeBytes = stats.codeSize + stats.dataSize; 19774 } else { 19775 sizeBytes = stats.codeSize; 19776 } 19777 19778 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19779 freezer.close(); 19780 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19781 "Not enough free space to move"); 19782 } 19783 19784 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19785 19786 final CountDownLatch installedLatch = new CountDownLatch(1); 19787 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19788 @Override 19789 public void onUserActionRequired(Intent intent) throws RemoteException { 19790 throw new IllegalStateException(); 19791 } 19792 19793 @Override 19794 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19795 Bundle extras) throws RemoteException { 19796 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19797 + PackageManager.installStatusToString(returnCode, msg)); 19798 19799 installedLatch.countDown(); 19800 freezer.close(); 19801 19802 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19803 switch (status) { 19804 case PackageInstaller.STATUS_SUCCESS: 19805 mMoveCallbacks.notifyStatusChanged(moveId, 19806 PackageManager.MOVE_SUCCEEDED); 19807 break; 19808 case PackageInstaller.STATUS_FAILURE_STORAGE: 19809 mMoveCallbacks.notifyStatusChanged(moveId, 19810 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19811 break; 19812 default: 19813 mMoveCallbacks.notifyStatusChanged(moveId, 19814 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19815 break; 19816 } 19817 } 19818 }; 19819 19820 final MoveInfo move; 19821 if (moveCompleteApp) { 19822 // Kick off a thread to report progress estimates 19823 new Thread() { 19824 @Override 19825 public void run() { 19826 while (true) { 19827 try { 19828 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19829 break; 19830 } 19831 } catch (InterruptedException ignored) { 19832 } 19833 19834 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19835 final int progress = 10 + (int) MathUtils.constrain( 19836 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19837 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19838 } 19839 } 19840 }.start(); 19841 19842 final String dataAppName = codeFile.getName(); 19843 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19844 dataAppName, appId, seinfo, targetSdkVersion); 19845 } else { 19846 move = null; 19847 } 19848 19849 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19850 19851 final Message msg = mHandler.obtainMessage(INIT_COPY); 19852 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19853 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19854 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19855 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19856 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19857 msg.obj = params; 19858 19859 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19860 System.identityHashCode(msg.obj)); 19861 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19862 System.identityHashCode(msg.obj)); 19863 19864 mHandler.sendMessage(msg); 19865 } 19866 19867 @Override 19868 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19869 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19870 19871 final int realMoveId = mNextMoveId.getAndIncrement(); 19872 final Bundle extras = new Bundle(); 19873 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 19874 mMoveCallbacks.notifyCreated(realMoveId, extras); 19875 19876 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 19877 @Override 19878 public void onCreated(int moveId, Bundle extras) { 19879 // Ignored 19880 } 19881 19882 @Override 19883 public void onStatusChanged(int moveId, int status, long estMillis) { 19884 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 19885 } 19886 }; 19887 19888 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19889 storage.setPrimaryStorageUuid(volumeUuid, callback); 19890 return realMoveId; 19891 } 19892 19893 @Override 19894 public int getMoveStatus(int moveId) { 19895 mContext.enforceCallingOrSelfPermission( 19896 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19897 return mMoveCallbacks.mLastStatus.get(moveId); 19898 } 19899 19900 @Override 19901 public void registerMoveCallback(IPackageMoveObserver callback) { 19902 mContext.enforceCallingOrSelfPermission( 19903 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19904 mMoveCallbacks.register(callback); 19905 } 19906 19907 @Override 19908 public void unregisterMoveCallback(IPackageMoveObserver callback) { 19909 mContext.enforceCallingOrSelfPermission( 19910 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19911 mMoveCallbacks.unregister(callback); 19912 } 19913 19914 @Override 19915 public boolean setInstallLocation(int loc) { 19916 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 19917 null); 19918 if (getInstallLocation() == loc) { 19919 return true; 19920 } 19921 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 19922 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 19923 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 19924 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 19925 return true; 19926 } 19927 return false; 19928 } 19929 19930 @Override 19931 public int getInstallLocation() { 19932 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 19933 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 19934 PackageHelper.APP_INSTALL_AUTO); 19935 } 19936 19937 /** Called by UserManagerService */ 19938 void cleanUpUser(UserManagerService userManager, int userHandle) { 19939 synchronized (mPackages) { 19940 mDirtyUsers.remove(userHandle); 19941 mUserNeedsBadging.delete(userHandle); 19942 mSettings.removeUserLPw(userHandle); 19943 mPendingBroadcasts.remove(userHandle); 19944 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 19945 removeUnusedPackagesLPw(userManager, userHandle); 19946 } 19947 } 19948 19949 /** 19950 * We're removing userHandle and would like to remove any downloaded packages 19951 * that are no longer in use by any other user. 19952 * @param userHandle the user being removed 19953 */ 19954 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 19955 final boolean DEBUG_CLEAN_APKS = false; 19956 int [] users = userManager.getUserIds(); 19957 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 19958 while (psit.hasNext()) { 19959 PackageSetting ps = psit.next(); 19960 if (ps.pkg == null) { 19961 continue; 19962 } 19963 final String packageName = ps.pkg.packageName; 19964 // Skip over if system app 19965 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 19966 continue; 19967 } 19968 if (DEBUG_CLEAN_APKS) { 19969 Slog.i(TAG, "Checking package " + packageName); 19970 } 19971 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 19972 if (keep) { 19973 if (DEBUG_CLEAN_APKS) { 19974 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 19975 } 19976 } else { 19977 for (int i = 0; i < users.length; i++) { 19978 if (users[i] != userHandle && ps.getInstalled(users[i])) { 19979 keep = true; 19980 if (DEBUG_CLEAN_APKS) { 19981 Slog.i(TAG, " Keeping package " + packageName + " for user " 19982 + users[i]); 19983 } 19984 break; 19985 } 19986 } 19987 } 19988 if (!keep) { 19989 if (DEBUG_CLEAN_APKS) { 19990 Slog.i(TAG, " Removing package " + packageName); 19991 } 19992 mHandler.post(new Runnable() { 19993 public void run() { 19994 deletePackageX(packageName, userHandle, 0); 19995 } //end run 19996 }); 19997 } 19998 } 19999 } 20000 20001 /** Called by UserManagerService */ 20002 void createNewUser(int userHandle) { 20003 synchronized (mInstallLock) { 20004 mSettings.createNewUserLI(this, mInstaller, userHandle); 20005 } 20006 synchronized (mPackages) { 20007 applyFactoryDefaultBrowserLPw(userHandle); 20008 primeDomainVerificationsLPw(userHandle); 20009 } 20010 } 20011 20012 void newUserCreated(final int userHandle) { 20013 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 20014 // If permission review for legacy apps is required, we represent 20015 // dagerous permissions for such apps as always granted runtime 20016 // permissions to keep per user flag state whether review is needed. 20017 // Hence, if a new user is added we have to propagate dangerous 20018 // permission grants for these legacy apps. 20019 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20020 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20021 | UPDATE_PERMISSIONS_REPLACE_ALL); 20022 } 20023 } 20024 20025 @Override 20026 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20027 mContext.enforceCallingOrSelfPermission( 20028 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20029 "Only package verification agents can read the verifier device identity"); 20030 20031 synchronized (mPackages) { 20032 return mSettings.getVerifierDeviceIdentityLPw(); 20033 } 20034 } 20035 20036 @Override 20037 public void setPermissionEnforced(String permission, boolean enforced) { 20038 // TODO: Now that we no longer change GID for storage, this should to away. 20039 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20040 "setPermissionEnforced"); 20041 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20042 synchronized (mPackages) { 20043 if (mSettings.mReadExternalStorageEnforced == null 20044 || mSettings.mReadExternalStorageEnforced != enforced) { 20045 mSettings.mReadExternalStorageEnforced = enforced; 20046 mSettings.writeLPr(); 20047 } 20048 } 20049 // kill any non-foreground processes so we restart them and 20050 // grant/revoke the GID. 20051 final IActivityManager am = ActivityManagerNative.getDefault(); 20052 if (am != null) { 20053 final long token = Binder.clearCallingIdentity(); 20054 try { 20055 am.killProcessesBelowForeground("setPermissionEnforcement"); 20056 } catch (RemoteException e) { 20057 } finally { 20058 Binder.restoreCallingIdentity(token); 20059 } 20060 } 20061 } else { 20062 throw new IllegalArgumentException("No selective enforcement for " + permission); 20063 } 20064 } 20065 20066 @Override 20067 @Deprecated 20068 public boolean isPermissionEnforced(String permission) { 20069 return true; 20070 } 20071 20072 @Override 20073 public boolean isStorageLow() { 20074 final long token = Binder.clearCallingIdentity(); 20075 try { 20076 final DeviceStorageMonitorInternal 20077 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20078 if (dsm != null) { 20079 return dsm.isMemoryLow(); 20080 } else { 20081 return false; 20082 } 20083 } finally { 20084 Binder.restoreCallingIdentity(token); 20085 } 20086 } 20087 20088 @Override 20089 public IPackageInstaller getPackageInstaller() { 20090 return mInstallerService; 20091 } 20092 20093 private boolean userNeedsBadging(int userId) { 20094 int index = mUserNeedsBadging.indexOfKey(userId); 20095 if (index < 0) { 20096 final UserInfo userInfo; 20097 final long token = Binder.clearCallingIdentity(); 20098 try { 20099 userInfo = sUserManager.getUserInfo(userId); 20100 } finally { 20101 Binder.restoreCallingIdentity(token); 20102 } 20103 final boolean b; 20104 if (userInfo != null && userInfo.isManagedProfile()) { 20105 b = true; 20106 } else { 20107 b = false; 20108 } 20109 mUserNeedsBadging.put(userId, b); 20110 return b; 20111 } 20112 return mUserNeedsBadging.valueAt(index); 20113 } 20114 20115 @Override 20116 public KeySet getKeySetByAlias(String packageName, String alias) { 20117 if (packageName == null || alias == null) { 20118 return null; 20119 } 20120 synchronized(mPackages) { 20121 final PackageParser.Package pkg = mPackages.get(packageName); 20122 if (pkg == null) { 20123 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20124 throw new IllegalArgumentException("Unknown package: " + packageName); 20125 } 20126 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20127 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20128 } 20129 } 20130 20131 @Override 20132 public KeySet getSigningKeySet(String packageName) { 20133 if (packageName == null) { 20134 return null; 20135 } 20136 synchronized(mPackages) { 20137 final PackageParser.Package pkg = mPackages.get(packageName); 20138 if (pkg == null) { 20139 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20140 throw new IllegalArgumentException("Unknown package: " + packageName); 20141 } 20142 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20143 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20144 throw new SecurityException("May not access signing KeySet of other apps."); 20145 } 20146 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20147 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20148 } 20149 } 20150 20151 @Override 20152 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20153 if (packageName == null || ks == null) { 20154 return false; 20155 } 20156 synchronized(mPackages) { 20157 final PackageParser.Package pkg = mPackages.get(packageName); 20158 if (pkg == null) { 20159 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20160 throw new IllegalArgumentException("Unknown package: " + packageName); 20161 } 20162 IBinder ksh = ks.getToken(); 20163 if (ksh instanceof KeySetHandle) { 20164 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20165 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20166 } 20167 return false; 20168 } 20169 } 20170 20171 @Override 20172 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20173 if (packageName == null || ks == null) { 20174 return false; 20175 } 20176 synchronized(mPackages) { 20177 final PackageParser.Package pkg = mPackages.get(packageName); 20178 if (pkg == null) { 20179 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20180 throw new IllegalArgumentException("Unknown package: " + packageName); 20181 } 20182 IBinder ksh = ks.getToken(); 20183 if (ksh instanceof KeySetHandle) { 20184 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20185 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20186 } 20187 return false; 20188 } 20189 } 20190 20191 private void deletePackageIfUnusedLPr(final String packageName) { 20192 PackageSetting ps = mSettings.mPackages.get(packageName); 20193 if (ps == null) { 20194 return; 20195 } 20196 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20197 // TODO Implement atomic delete if package is unused 20198 // It is currently possible that the package will be deleted even if it is installed 20199 // after this method returns. 20200 mHandler.post(new Runnable() { 20201 public void run() { 20202 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20203 } 20204 }); 20205 } 20206 } 20207 20208 /** 20209 * Check and throw if the given before/after packages would be considered a 20210 * downgrade. 20211 */ 20212 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20213 throws PackageManagerException { 20214 if (after.versionCode < before.mVersionCode) { 20215 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20216 "Update version code " + after.versionCode + " is older than current " 20217 + before.mVersionCode); 20218 } else if (after.versionCode == before.mVersionCode) { 20219 if (after.baseRevisionCode < before.baseRevisionCode) { 20220 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20221 "Update base revision code " + after.baseRevisionCode 20222 + " is older than current " + before.baseRevisionCode); 20223 } 20224 20225 if (!ArrayUtils.isEmpty(after.splitNames)) { 20226 for (int i = 0; i < after.splitNames.length; i++) { 20227 final String splitName = after.splitNames[i]; 20228 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20229 if (j != -1) { 20230 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20231 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20232 "Update split " + splitName + " revision code " 20233 + after.splitRevisionCodes[i] + " is older than current " 20234 + before.splitRevisionCodes[j]); 20235 } 20236 } 20237 } 20238 } 20239 } 20240 } 20241 20242 private static class MoveCallbacks extends Handler { 20243 private static final int MSG_CREATED = 1; 20244 private static final int MSG_STATUS_CHANGED = 2; 20245 20246 private final RemoteCallbackList<IPackageMoveObserver> 20247 mCallbacks = new RemoteCallbackList<>(); 20248 20249 private final SparseIntArray mLastStatus = new SparseIntArray(); 20250 20251 public MoveCallbacks(Looper looper) { 20252 super(looper); 20253 } 20254 20255 public void register(IPackageMoveObserver callback) { 20256 mCallbacks.register(callback); 20257 } 20258 20259 public void unregister(IPackageMoveObserver callback) { 20260 mCallbacks.unregister(callback); 20261 } 20262 20263 @Override 20264 public void handleMessage(Message msg) { 20265 final SomeArgs args = (SomeArgs) msg.obj; 20266 final int n = mCallbacks.beginBroadcast(); 20267 for (int i = 0; i < n; i++) { 20268 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20269 try { 20270 invokeCallback(callback, msg.what, args); 20271 } catch (RemoteException ignored) { 20272 } 20273 } 20274 mCallbacks.finishBroadcast(); 20275 args.recycle(); 20276 } 20277 20278 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20279 throws RemoteException { 20280 switch (what) { 20281 case MSG_CREATED: { 20282 callback.onCreated(args.argi1, (Bundle) args.arg2); 20283 break; 20284 } 20285 case MSG_STATUS_CHANGED: { 20286 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20287 break; 20288 } 20289 } 20290 } 20291 20292 private void notifyCreated(int moveId, Bundle extras) { 20293 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20294 20295 final SomeArgs args = SomeArgs.obtain(); 20296 args.argi1 = moveId; 20297 args.arg2 = extras; 20298 obtainMessage(MSG_CREATED, args).sendToTarget(); 20299 } 20300 20301 private void notifyStatusChanged(int moveId, int status) { 20302 notifyStatusChanged(moveId, status, -1); 20303 } 20304 20305 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20306 Slog.v(TAG, "Move " + moveId + " status " + status); 20307 20308 final SomeArgs args = SomeArgs.obtain(); 20309 args.argi1 = moveId; 20310 args.argi2 = status; 20311 args.arg3 = estMillis; 20312 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20313 20314 synchronized (mLastStatus) { 20315 mLastStatus.put(moveId, status); 20316 } 20317 } 20318 } 20319 20320 private final static class OnPermissionChangeListeners extends Handler { 20321 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20322 20323 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20324 new RemoteCallbackList<>(); 20325 20326 public OnPermissionChangeListeners(Looper looper) { 20327 super(looper); 20328 } 20329 20330 @Override 20331 public void handleMessage(Message msg) { 20332 switch (msg.what) { 20333 case MSG_ON_PERMISSIONS_CHANGED: { 20334 final int uid = msg.arg1; 20335 handleOnPermissionsChanged(uid); 20336 } break; 20337 } 20338 } 20339 20340 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20341 mPermissionListeners.register(listener); 20342 20343 } 20344 20345 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20346 mPermissionListeners.unregister(listener); 20347 } 20348 20349 public void onPermissionsChanged(int uid) { 20350 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20351 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20352 } 20353 } 20354 20355 private void handleOnPermissionsChanged(int uid) { 20356 final int count = mPermissionListeners.beginBroadcast(); 20357 try { 20358 for (int i = 0; i < count; i++) { 20359 IOnPermissionsChangeListener callback = mPermissionListeners 20360 .getBroadcastItem(i); 20361 try { 20362 callback.onPermissionsChanged(uid); 20363 } catch (RemoteException e) { 20364 Log.e(TAG, "Permission listener is dead", e); 20365 } 20366 } 20367 } finally { 20368 mPermissionListeners.finishBroadcast(); 20369 } 20370 } 20371 } 20372 20373 private class PackageManagerInternalImpl extends PackageManagerInternal { 20374 @Override 20375 public void setLocationPackagesProvider(PackagesProvider provider) { 20376 synchronized (mPackages) { 20377 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20378 } 20379 } 20380 20381 @Override 20382 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20383 synchronized (mPackages) { 20384 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20385 } 20386 } 20387 20388 @Override 20389 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20390 synchronized (mPackages) { 20391 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20392 } 20393 } 20394 20395 @Override 20396 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20397 synchronized (mPackages) { 20398 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20399 } 20400 } 20401 20402 @Override 20403 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20404 synchronized (mPackages) { 20405 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20406 } 20407 } 20408 20409 @Override 20410 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20411 synchronized (mPackages) { 20412 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20413 } 20414 } 20415 20416 @Override 20417 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20418 synchronized (mPackages) { 20419 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20420 packageName, userId); 20421 } 20422 } 20423 20424 @Override 20425 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20426 synchronized (mPackages) { 20427 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20428 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20429 packageName, userId); 20430 } 20431 } 20432 20433 @Override 20434 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20435 synchronized (mPackages) { 20436 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20437 packageName, userId); 20438 } 20439 } 20440 20441 @Override 20442 public void setKeepUninstalledPackages(final List<String> packageList) { 20443 Preconditions.checkNotNull(packageList); 20444 List<String> removedFromList = null; 20445 synchronized (mPackages) { 20446 if (mKeepUninstalledPackages != null) { 20447 final int packagesCount = mKeepUninstalledPackages.size(); 20448 for (int i = 0; i < packagesCount; i++) { 20449 String oldPackage = mKeepUninstalledPackages.get(i); 20450 if (packageList != null && packageList.contains(oldPackage)) { 20451 continue; 20452 } 20453 if (removedFromList == null) { 20454 removedFromList = new ArrayList<>(); 20455 } 20456 removedFromList.add(oldPackage); 20457 } 20458 } 20459 mKeepUninstalledPackages = new ArrayList<>(packageList); 20460 if (removedFromList != null) { 20461 final int removedCount = removedFromList.size(); 20462 for (int i = 0; i < removedCount; i++) { 20463 deletePackageIfUnusedLPr(removedFromList.get(i)); 20464 } 20465 } 20466 } 20467 } 20468 20469 @Override 20470 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20471 synchronized (mPackages) { 20472 // If we do not support permission review, done. 20473 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20474 return false; 20475 } 20476 20477 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20478 if (packageSetting == null) { 20479 return false; 20480 } 20481 20482 // Permission review applies only to apps not supporting the new permission model. 20483 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20484 return false; 20485 } 20486 20487 // Legacy apps have the permission and get user consent on launch. 20488 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20489 return permissionsState.isPermissionReviewRequired(userId); 20490 } 20491 } 20492 20493 @Override 20494 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20495 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20496 } 20497 20498 @Override 20499 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20500 int userId) { 20501 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20502 } 20503 } 20504 20505 @Override 20506 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20507 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20508 synchronized (mPackages) { 20509 final long identity = Binder.clearCallingIdentity(); 20510 try { 20511 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20512 packageNames, userId); 20513 } finally { 20514 Binder.restoreCallingIdentity(identity); 20515 } 20516 } 20517 } 20518 20519 private static void enforceSystemOrPhoneCaller(String tag) { 20520 int callingUid = Binder.getCallingUid(); 20521 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20522 throw new SecurityException( 20523 "Cannot call " + tag + " from UID " + callingUid); 20524 } 20525 } 20526 20527 boolean isHistoricalPackageUsageAvailable() { 20528 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20529 } 20530 20531 /** 20532 * Return a <b>copy</b> of the collection of packages known to the package manager. 20533 * @return A copy of the values of mPackages. 20534 */ 20535 Collection<PackageParser.Package> getPackages() { 20536 synchronized (mPackages) { 20537 return new ArrayList<>(mPackages.values()); 20538 } 20539 } 20540 20541 /** 20542 * Logs process start information (including base APK hash) to the security log. 20543 * @hide 20544 */ 20545 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20546 String apkFile, int pid) { 20547 if (!SecurityLog.isLoggingEnabled()) { 20548 return; 20549 } 20550 Bundle data = new Bundle(); 20551 data.putLong("startTimestamp", System.currentTimeMillis()); 20552 data.putString("processName", processName); 20553 data.putInt("uid", uid); 20554 data.putString("seinfo", seinfo); 20555 data.putString("apkFile", apkFile); 20556 data.putInt("pid", pid); 20557 Message msg = mProcessLoggingHandler.obtainMessage( 20558 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20559 msg.setData(data); 20560 mProcessLoggingHandler.sendMessage(msg); 20561 } 20562} 20563